CN210282606U

CN210282606U - Numerical control equipment's clamping device and numerical control equipment

Info

Publication number: CN210282606U
Application number: CN201920405299.7U
Authority: CN
Inventors: 容华兴
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2018-03-28
Filing date: 2019-03-27
Publication date: 2020-04-10
Anticipated expiration: 2029-03-27
Also published as: CN209986627U; CN210282608U; CN210282607U; CN110000869A; CN110000869B; CN210282589U

Abstract

A clamp device of numerical control equipment and the numerical control equipment are provided, wherein the clamp device comprises a clamp seat, a clamp seat driving mechanism, a fixed clamp, a movable clamp and a movable clamp driving mechanism; the clamp seat comprises a horizontal part, a clamp installation part and a clamp seat driving mechanism installation part; the clamp seat driving mechanism is arranged on the clamp seat driving mechanism mounting part; the movable clamp and the fixed clamp respectively comprise a clamping part and an installation part which are vertical to each other; the movable clamp guiding mechanism is arranged between the mounting part of the movable clamp and the clamp mounting part; the mounting part of the fixed clamp is fixed with the clamp mounting part; the clamp device also comprises a stressed guide column, and a stressed guide hole matched with the stressed guide column is arranged on the clamping part of the fixed clamp; the stress guide column is always kept in the stress guide hole; the clamping mechanism has the advantages that the gravity center of the clamping mechanism cannot deviate to one side, the balance is better, the motion stability is better, and the cutter of the machine head is not easy to interfere when the cutter of the machine head moves in the translation way from the top plane of the clamping mechanism.

Description

Numerical control equipment's clamping device and numerical control equipment

Technical Field

The utility model belongs to the technical field of the large-scale accurate digit control machine tool in wood working field and specifically relates to a clamping device and numerical control equipment with numerical control equipment are related to.

Background

With the advent of microprocessors, the world has entered a new era of numerical control equipment, and machine tools capable of realizing multi-axis motion only by computers have rapidly emerged, so that wood processing has entered an automated and intelligent era. The technical field of woodworking machinery generally relates to procedures of slotting, drilling and the like of wood boards. In the prior art, the clamping device is widely used for clamping and conveying the plates.

The patent number 201610042683.6, the publication date is 2016 of 6 months and 1 days of Chinese utility model patent, discloses a double-head double-clamp drilling machining center's crossbeam and clamp structure, including crossbeam and at least two independently working clamp mechanisms.

Each clamp mechanism comprises a clamp seat, a lower clamp, an upper clamp and a driving mechanism, the clamp seat is installed on the cross beam, the lower clamp, the upper clamp and the driving mechanism are all arranged on the clamp seat, the upper clamp is located right above the lower clamp, and the driving mechanism controls the upper clamp and the lower clamp to be opened or closed mutually.

The front side edge of the lower clamp is provided with a lower pressing plate, the front side edge of the upper clamp is provided with an upper pressing plate, and the upper pressing plate and the lower pressing plate are opposite to each other up and down.

The front of clamp seat is provided with linear guide rail, and this linear guide rail extends from top to bottom, and linear guide rail is two that set up about, and this lower clamp and upper clamp all install on linear guide rail through linear slider.

The clamp seat is provided with a concave position, the driving mechanism is arranged in the concave position, the driving mechanism is an air cylinder, and a piston rod of the air cylinder is fixedly connected with the upper clamp.

Each clamping mechanism is provided with a servo driving device for driving the clamping mechanism to move back and forth along the direction of the cross beam.

The servo driving device comprises a rack, a speed reducer and a servo motor, wherein the rack is fixed on the cross beam and transversely extends, the speed reducer is arranged on the clamp seat through an installation plate, a gear is arranged on an output shaft of the speed reducer and is meshed with the rack, the servo motor is arranged on the speed reducer, and the servo motor drives the speed reducer to operate. And a linear guide rail is arranged on the cross beam, the linear guide rail extends transversely, and the clamp seat is arranged on the linear guide rail through a linear sliding block and moves back and forth along the linear guide rail transversely.

The lower clamp, the upper clamp, the driving mechanism for controlling the upper clamp and the lower clamp to open or close mutually, and the servo driving device for driving the clamp mechanism to move back and forth along the beam direction are all positioned at the same side of the clamp seat, so that the gravity center of the clamp mechanism deviates to one side, and the balance and the movement stability of the clamp mechanism are influenced; in addition, in order to ensure the rigidity of the clamping part of the upper clamp, a reinforcing rib or the like needs to be arranged on the clamping part of the upper clamp, so that the clamping part of the upper clamp is high in height, and a cutter of a machine head is easy to interfere when the cutter translates from the top plane of the clamping mechanism to process the side surface of the workpiece.

The invention patent with the patent number ZL201610042695.9 and the patent number granted on 2016, 5 and 11 discloses a double-head double-clamp drilling center, which comprises a lathe bed, an air floatation workbench, an automatic blanking machine, a beam clamp module, a lower workbench module, a lower machine head, an upper workbench module and an upper machine head;

the beam clamp module is arranged on the bed body and comprises a beam and at least two clamp mechanisms capable of working independently; one end of the cross beam extends to the position above the air floatation workbench, the other end of the cross beam extends to the position above the automatic blanking machine, the two clamp mechanisms are arranged on the cross beam in parallel, each clamp mechanism can be movably arranged back and forth in the transverse direction, and each clamp mechanism is provided with a servo driving device for driving the clamp mechanisms to move back and forth along the direction of the cross beam.

Each clamp mechanism comprises a clamp seat, a lower clamp, an upper clamp and a driving mechanism, the clamp seat is installed on the cross beam, the lower clamp, the upper clamp and the driving mechanism are all arranged on the clamp seat, the upper clamp is located right above the lower clamp, and the driving mechanism controls the upper clamp and the lower clamp to be opened or closed mutually. The front side edge of the lower clamp is provided with a lower pressing plate, the front side edge of the upper clamp is provided with an upper pressing plate, the upper pressing plate and the lower pressing plate are opposite to each other up and down, the lower pressing plate is provided with a positioning column, the upper pressing plate is provided with a positioning hole matched with the positioning column, the positioning column is inserted into the positioning hole when the upper pressing plate and the lower pressing plate are in a closed state, and rubber plates are arranged on the front side edge of the surface of the lower pressing plate and the front side edge of the bottom surface of the upper pressing plate.

Because the gravity center of the same clamping mechanism in the invention patent is deviated to one side, the balance and the movement stability of the clamping mechanism are influenced; in addition, when the cutter of the machine head translates from the top plane of the clamping mechanism to process the side surface of the workpiece, interference is easy to generate, so that the movement range of the machine head is reduced, and the machine head is influenced to process each surface of the workpiece.

SUMMERY OF THE UTILITY MODEL

The to-be-solved first problem of the utility model is to provide a clamping device of numerical control equipment, it has that the equilibrium is better, the stationarity of motion is better, the cutter of aircraft nose is from the top plane translation of clamping mechanism and add the advantage that the difficult production was interfered in the past to the side of work piece.

The to-be-solved second problem of the utility model is to provide a numerical control equipment, its clamping device have that the equilibrium is better, the stationarity of motion is better, the cutter of aircraft nose adds the advantage of the face of difficult production interference, the bigger and aircraft nose of the range of motion of aircraft nose more being convenient for processing the work piece to the side of work piece in the past from the top plane translation of clamping mechanism.

A clamp device of numerical control equipment comprises a clamp seat, a clamp seat driving mechanism for driving the clamp seat to slide back and forth, a fixed clamp, a movable clamp and a movable clamp driving mechanism for driving the movable clamp to slide back and forth up and down relative to the fixed clamp so as to control the clamp device to open and close; the positioning mechanism is used for positioning the workpiece;

a movable clamp guiding mechanism for the movable clamp to slide up and down is arranged between the movable clamp and the clamp seat;

the clamp seat comprises a horizontal part, a clamp installation part vertically and convexly arranged on one side of the horizontal part, and a clamp seat driving mechanism installation part vertically and convexly arranged on the other side of the horizontal part;

the clamp seat driving mechanism is arranged on a clamp seat driving mechanism mounting part which is far away from the clamp mounting part, the bottom of the horizontal part of the clamp seat is provided with a clamp seat guiding mechanism for the clamp seat to slide back and forth, and the clamp seat guiding mechanism is arranged between the clamp mounting part and the clamp seat driving mechanism mounting part;

the movable clamp comprises a clamping part and an installation part which are vertical to each other;

the fixed clamp comprises a clamping part and an installation part which are vertical to each other;

the movable clamp guiding mechanism is arranged between the mounting part of the movable clamp and the clamp mounting part, and the movable clamp can be mounted on the clamp mounting part deviating from the clamp seat driving mechanism mounting part in a back-and-forth sliding manner; the mounting part of the fixed clamp is fixed with the clamp mounting part and is arranged on the same side of the clamp seat driving mechanism mounting part with the movable clamp; the movable clamp guiding mechanism and the mounting part of the movable clamp are arranged between the mounting part of the fixed clamp and the clamp mounting part;

the positioning mechanism is arranged on the clamping part of the fixed clamp, the clamping part of the movable clamp is arranged right above the clamping part of the fixed clamp, and the positioning mechanism is arranged between the clamping part of the fixed clamp and the clamping part of the movable clamp;

the clamping device also comprises a stress guide column which is fixed on the clamping part of the movable clamp relative to the clamping part surface of the fixed clamp and is used for reducing the deformation of the clamping part of the movable clamp when the clamping device clamps a workpiece, and a stress guide hole matched with the stress guide column is arranged on the clamping part of the fixed clamp; the stressed guide column is always kept in the stressed guide hole in the opening and closing processes of the clamp device.

As an improvement of the first scheme, the clamping part and the mounting part of the movable clamp are both metal plates which are welded together; the clamping part and the mounting part of the fixed clamp are both metal plates, welded together;

the clamp device also comprises a fixing piece fixed on the clamp installation part, and the installation part for fixing the clamp is fixed on the fixing piece; the mounting part of the movable clamp is provided with a U-shaped clearance groove of the clearance fixing piece; the movable clamp guiding mechanism and the mounting part of the movable clamp are arranged between the fixing part and the clamp mounting part;

the surface of the clamping part of the movable clamp departing from the clamping part of the fixed clamp is higher than the clamp seat or is flush with the clamp seat;

as an improvement of the first scheme, an L-shaped concave part is arranged at the jaw position of the clamping part of the fixed clamp, the fixed clamp also comprises a clamping block arranged on the L-shaped concave part, and a rubber clamping block arranged on the clamping block; the movable clamp further comprises a clamping block arranged on the L-shaped concave part and a rubber clamping block arranged on the clamping block.

As an improvement of the first scheme, the movable clamp driving mechanism is a driving cylinder which is arranged on the clamping part of the fixed clamp and deviates from the clamping part of the movable clamp, the driving shaft of the clamp driving mechanism is a cylinder shaft of the driving cylinder, and the cylinder shaft penetrates through the clamping part of the fixed clamp and is fixed with the clamping part of the movable clamp;

the movable clamp guiding mechanism comprises a guiding slide block which is fixed on the mounting part of the movable clamp and is mounted in the vertical direction, and a guide rail which is fixed on the clamp mounting part of the clamp seat and is mounted in the vertical direction; the guide rail is arranged in the sliding groove of the guide sliding block.

As an improvement of the fourth proposal, the clamp seat driving mechanism mounting part comprises a connecting part in the vertical direction connected with the horizontal part of the clamp seat and a horizontal mounting part convexly arranged from the lower end of the connecting part to one side away from the clamp mounting part;

the clamp seat driving mechanism comprises a motor and a gear which is arranged together with an output shaft of the motor and driven by the motor; the motor and the gear are arranged on the clamp seat; the clamp seat guide mechanism comprises a guide sliding block fixed on the clamp seat;

the motor is vertically arranged at the bottom of the horizontal installation part;

the guide slide block of the clamp seat guide mechanism is arranged on the bottom surface of the horizontal part of the clamp seat.

As an improvement of the fourth scheme, the clamp seat driving mechanism comprises a motor and a gear which is arranged together with an output shaft of the motor and is driven by the motor; the motor and the gear are arranged on the clamp seat; the clamp seat guide mechanism comprises a guide sliding block fixed on the clamp seat;

the motor is directly and horizontally arranged on the clamp seat driving mechanism mounting part and is arranged on one side departing from the clamp mounting part;

As an improvement of the fourth scheme, the positioning mechanism comprises a positioning shaft which is arranged on the surface of the clamping part of the fixed clamp relative to the clamping part of the movable clamp and used for positioning the workpiece, a roller which is arranged on the positioning shaft and a positioning hole which is arranged on the movable clamp part; the workpiece positioning shaft is arranged at a position close to the jaw of the fixed clamp; the positioning column is inserted into the positioning hole when the movable clamp and the fixed clamp are in a closed state; the stressed guide column is arranged between the positioning column and the mounting part of the movable clamp;

a fixed clamp vertical direction position adjusting mechanism is arranged between the fixed clamp and the clamp seat.

The numerical control equipment comprises a clamping device, a rack, a beam device and at least two clamping devices;

the clamping devices can be arranged on the beam device in parallel in a way of sliding back and forth in the X direction relative to the beam device; the machine head can be arranged on the machine frame in a reciprocating sliding way;

the machine head comprises a Y-axis sliding plate arranged on an upper cross beam of the gantry frame assembly, a Y-axis sliding plate driving mechanism for driving the Y-axis sliding plate to slide back and forth in the Y direction on the upper cross beam of the gantry frame assembly, a Y-axis sliding plate guiding mechanism arranged between the upper cross beam and the Y-axis sliding plate, a Z-axis sliding plate arranged on the Y-axis sliding plate, a Z-axis sliding plate driving mechanism for driving the Z-axis sliding plate to slide back and forth in the Z direction on the Y-axis sliding plate, a Z-axis sliding plate guiding mechanism arranged between the Y-axis sliding plate and the Z-axis sliding plate, and a drilling.

As an improvement of the scheme, the drilling unit comprises an upper drilling box and a lower drilling box; the opposite surfaces of the upper drilling box and the lower drilling box are correspondingly provided with air channel pipeline grooves, the air channel pipeline grooves of the upper drilling box and the lower drilling box form a circulating air channel pipeline, and the circulating air channel pipeline is convenient for air to smoothly pass through to achieve a cooling function; a throttle valve with good reliability is added at the air inlet of the circulating air tank pipeline; and a dustproof exhaust muffler is arranged at the exhaust port of the circulating gas tank pipeline.

As a further improvement of the above solution, the drilling unit comprises a drilling box; and a Z-direction cleaning function channel which blows dust on the surface of the workpiece to be processed and is communicated with the inner cavity of the dust hood is arranged in the drilling box, and the cleaning function channel is communicated with external high-pressure air.

The utility model discloses a clamping device's beneficial effect is:

the rigidity of the movable clamp device is increased by inserting the two stress guide rods arranged on the bottom surface of the clamping part of the movable clamp into the stress guide holes inlaid on the clamping part of the fixed clamp, so that the movable clamp can be designed into a plate shape, the top surface of the movable clamp does not need to be convexly provided with a structure similar to a reinforcing rib for increasing the rigidity of the movable clamp, the deformation of the movable clamp can be ensured within an allowable range when the movable clamp and the fixed clamp grasp a wood board, and the precision of transporting the wood board by the beam clamp module is ensured.

The rigidity and the deformation of the clamping device can be ensured within an allowable range by inserting the stress guide rod of the movable clamp into the stress guide hole of the fixed clamp, namely, the movable clamp and the fixed clamp are lengthened (given length) in the direction vertical to the moving direction of the clamping device. The movable clamp and the fixed clamp are lengthened in the motion direction of the vertical clamp device, the movable clamp and the fixed clamp are generally lengthened by mm, the number of drill bits of the lower machine head entering the carry origin can be increased, the manufacturability is improved, and the operation is more convenient. The number of the original drill bits is increased to one, and the process requirement can be met.

The movable clamp is designed into a plate shape, a reinforcing rib structure is not required to be added at the top of the movable clamp, the thickness of the movable clamp is greatly reduced, a cutter of the machine head can process the side face of a workpiece in the past of the plane translation of the top of the movable clamp, the movement range of the machine head is larger, and the machine head is more convenient to process the face of the workpiece.

The X-direction guide sliding block is arranged on the bottom surface of the clamp seat, and the driving air cylinder of the movable clamp and the motor of the driving mechanism of the clamping device are respectively arranged on two sides of the guide rail and are arranged in the vertical direction, so that the Y-direction size of the clamping device is greatly reduced, the clamping device stretches across the cross beam guide rail, the balance is better, the movement stability is better, and the force arms of the driving mechanism of the movable clamp and the driving mechanism of the clamping device to the clamping part of the fixed clamp are reduced.

Each clamp is positioned by two positioning bearings, and the clamp has the advantages that the wood plate is in rolling friction when the wood plate is processed or moves relative to the positioning bearings of the clamp device, so that the friction force between the positioning bearings and the wood plate is greatly reduced, the wood plate is prevented from running, the processing error is greatly reduced, and the service life of the positioning bearings is greatly prolonged.

The clamping parts of the movable clamp and the fixed clamp are designed integrally, and the strength and the rigidity of the hand grip are greatly improved through the guide of the linear guide rail sliding block and the stress rod at the front end, so that the stability of the clamping device for clamping the wood board in the movement process is greatly improved, the axis of the positioning bearing is always kept at the fixed position of the clamp, and if the abrasion factor of the positioning bearing is not considered, the positioning reference cannot be changed, so that the long-time accurate positioning can be ensured through one-time debugging.

The utility model discloses a numerical control equipment's beneficial effect is:

the clamp device of the numerical control equipment has the advantages that the balance is better, the motion stability is better, the cutter of the machine head is not easy to generate interference when the cutter moves horizontally from the top plane of the clamp device to process the side surface of the workpiece, the motion range of the machine head is larger, and the machine head is more convenient to process the surface of the workpiece.

Drawings

Fig. 1 is a schematic perspective view of a clamping device and a part of a beam device according to embodiment 1 of the present invention.

Fig. 2 is a schematic perspective view of a clamping device according to embodiment 1 of the present invention.

Fig. 3 is a schematic perspective view of a clamping device according to embodiment 2 of the present invention.

Fig. 4 is a schematic perspective view of embodiment 3 of the present invention.

Fig. 5 is a schematic perspective view of embodiment 3 of the present invention without the automatic blanking device.

Fig. 6 is a schematic perspective view of the embodiment 3 of the present invention without the air-floating workbench and the automatic blanking device.

Fig. 7 is a schematic perspective view of a main frame according to embodiment 3 of the present invention.

Fig. 8 is a perspective view of the main frame according to another direction according to embodiment 3 of the present invention.

Fig. 9 is an enlarged schematic view of a portion I of fig. 4.

Fig. 10 is a perspective view of a clamp device and a part of a cross beam device according to embodiment 3 of the present invention.

Fig. 11 is a perspective view of a clamping device according to embodiment 3 of the present invention.

Fig. 12 is a schematic perspective view of the upper head according to embodiment 3 of the present invention.

Fig. 13 is a schematic perspective view of a drilling unit according to embodiment 3 of the present invention.

Fig. 14 is a schematic front view of the upper drilling unit of the embodiment 3 of the present invention projected from below.

Fig. 15 is a schematic perspective view of the upper machine head of embodiment 3 of the present invention with a part of the milling unit and the Y-axis slide plate removed.

Fig. 16 is a schematic perspective view of the upper head of embodiment 3 of the present invention with the Y-axis slide plate removed.

Fig. 17 is a bottom view of fig. 16.

Fig. 18 is a schematic perspective view of a pressing wheel pressing device according to embodiment 3 of the present invention.

Fig. 19 is an exploded perspective view of the pressing wheel pressing device according to embodiment 3 of the present invention.

Fig. 20 is a schematic perspective view of a platen pressing device according to embodiment 3 of the present invention.

Fig. 21 is an exploded perspective view of the platen pressing device according to embodiment 3 of the present invention.

Fig. 22 is a schematic perspective view of the upper head of embodiment 3 of the present invention with the Y-axis slide plate removed from the other direction.

Fig. 23 is a schematic perspective view of the upper head of embodiment 3 of the present invention, with the Y-axis slide plate removed, in another direction.

Fig. 24 is a schematic perspective view of a workpiece pressing mechanism tracked by a milling unit according to embodiment 3 of the present invention.

Fig. 25 is an exploded perspective view of a mechanism for pressing a workpiece by tracking a milling unit according to embodiment 3 of the present invention.

Reference numerals:

1-a clamp base; 10-clamp seat level; 11-a clamp mounting; 12-a gripper seat drive mechanism mounting; 13-reinforcing ribs; 14-a connecting portion; 15-horizontal mounting; 16-vertical reinforcing ribs; 17-X guide slide; 171-a chute; 18-a motor; 19-a speed reducer; 2-movable clamp; 20-a clamping part; 201-a recess; 21-a mounting portion; 22-upper clamping block; 23-gluing a clamping block; 24-U-shaped clearance grooves; 3-fixing the clamp; 31-a clamping part; 32-a mounting portion; 321-Y-direction through hole 321; 3211-Z direction adjusting plane; 33-a lower clamping block; 331-L shaped recess; 34-lower rubber clamping block; a 35-Z-direction guide slide block; 36-Z guide rail; 37-a driving cylinder; 38-cylinder axis; 39-a reinforcement; 40-fixing the cushion block; 41-fixing plate; 5-a positioning mechanism; 50-a positioning column; 51-a roller; 52-positioning holes; 6-a stressed guide column; 61-force guide hole; 62-guide sleeve.

100-a clamp base; 101-a horizontal portion; 102-a clamp mounting; 103-a clamp base drive mechanism mounting section; 104-reinforcing ribs; 105-a mounting plate; 106-a baffle; 107-speed reducer; 108-fixed clamp; 109-gear; 110-motor.

a-a frame; 1 a-main frame; 2 a-a host chassis; 3 a-a gantry assembly; 4 a-left rear cross beam reinforcement; 5 a-left front cross rail reinforcement; 6 a-right front cross beam reinforcement; 7 a-right rear cross member reinforcement; 8 a-table top support; 9 a-a table mount; 21 a-front left upright; 22 a-rear left upright; 23 a-front right column; 24 a-rear right column; 25 a-right lower beam; 26 a-upper right beam; 27 a-rear lower beam; 28 a-rear upper beam; 29 a-left lower beam; 30 a-upper left beam; 31 a-front lower beam; 32 a-front upper beam; 33 a-a reinforcing column; 34 a-lower stiffening beam; 35 a-upper beam; 36 a-lower beam; 361 a-lower rail mounting surface; 362 a-upper rail mounting surface; 37 a-left upright; 38 a-right upright; 39 a-right spacer block; 41 a-horizontal part; 42 a-vertical portion; 43 a-left spacer; b-an air-floating workbench; c-an automatic blanking device; d-a beam arrangement; 1 d-beam; 2d-X directional guide rails; 3d-X direction rack; e-a clamping device; 1 e-a clamp base; 10 e-clamp seat level; 11 e-clamp mounting; 12 e-a clamp base drive mechanism mounting portion; 13 e-a reinforcing rib; 14 e-a linker; 15 e-horizontal mounting; 16 e-vertical stiffeners; 17e-X guide slide block; 171 e-chute; 18 e-a motor; 19 e-a reducer; 2 e-movable clamp; 20 e-a clamping portion; 201 e-a recess; 21 e-a mounting portion; 22 e-an upper clamping block; 23 e-gluing a clamping block; 24 e-U-shaped clearance grooves; 3 e-fixing the clamp; 31 e-a clamping portion; 32 e-a mounting portion; 321 e-Y-direction through holes 321 e; 3211 e-Z direction regulating plane; 33 e-lower clamping block; 331e-L shaped recess; 34 e-lower rubber clamping block; 35e-Z guide slide block; 36e-Z guide rails; 37 e-a drive cylinder; 38 e-cylinder axis; 39 e-reinforcement; 40 e-fixing the cushion block; 41 e-a fixed plate; 5 e-a positioning mechanism; 50 e-a locating post; 51 e-a roller; 52 e-locating holes; 6 e-a force-bearing guide post; 61 e-forced guide holes; 62 e-guide sleeve; f-a table device; 1 f-front table; 2 f-rear workbench; g-positioning a cylinder; 1 g-fixed block; 2 g-cylinder axis; h-lower machine head; i-mounting the machine head; 1i-Y axis slide plate; 2i-Z axis slides; 3 i-a drilling unit; 4 i-a milling unit; 40 i-milling unit slide plate; 41 i-electric spindle; 42 i-milling cutter; 43 i-the milling unit tracks the workpiece hold-down mechanism; 431 i-spindle swaging carriage plate; 432 i-a main shaft material pressing fixing seat; 433 i-side pulling plate; 434 i-lower fixed plate; 435 i-lower limiting glue stick; 44 i-pad; 45 i-servo motor; 46 i-bearing seat; 461 i-bearing seat fixing plate; 47 i-screw pair; 471 i-screw seat; 472 i-swaging slide; 473 i-sliding block; 474 i-guide rail; 48 i-a material pressing cylinder seat; 481 i-left swage cylinder; 482 i-right swage cylinder; 483 i-left swage plate; 4831 i-a pressure plate horizontal mounting part; 4832 i-vertical web attachment; 4833 i-horizontal nip; 484 i-right swage plate; 485 i-cylinder block vertical section; 486 i-U-shaped portion; 49 i-drill shaft dust hood; 5 i-a drilling box; 51 i-drilling box; 52 i-drill down box; 53 i-gas tank ducting channels; 54 i-throttle valve; 55 i-a muffler; 56 i-cleaning functional channels; 57 i-dust blowing and cleaning functional channel; 6 i-a vertical drilling unit; 61 i-drill bit; 7 i-a horizontal drilling unit; 71i-X bit horizontal drilling unit; 711i-X directional drill bit; 712i-Y directional drill bits; a 72i-Y directional drill bit horizontal drilling unit; 8 i-a first platen hold down mechanism; 9 i-a second platen hold down mechanism; 91 i-platen cylinder; 92 i-platen end cap; 93 i-pressure plate inductive switch; 94 i-platen holder; 95 i-a platen; 96 i-platen piston rod; 11 i-a first pinch roller pressing mechanism; 101 i-cylinder; 102 i-end cap; 103 i-inductive switch; 104 i-a pressure wheel seat; 105 i-pinch roller; 106 i-a piston rod; 10 i-a second pinch roller pressing mechanism; 12 i-a third pinch roller pressing mechanism; 13 i-a fourth pinch roller pressing mechanism; 14 i-fifth press wheel hold down mechanism.

Detailed Description

Example 1

As shown in fig. 1 and 2, each of the clamp devices includes a clamp base 1 and a clamp base driving mechanism for driving the clamp base 1 to slide back and forth, a movable clamp 2 and a movable clamp driving mechanism for driving the movable clamp 2 to slide back and forth relative to a fixed clamp 3 so as to control the clamp device to open and close, and a fixed clamp vertical direction position adjusting mechanism and a positioning mechanism 5 for positioning a workpiece, which are arranged between the movable clamp 2 and the clamp base 1.

The clamp seat 1 comprises a horizontal part 10, a clamp installation part 11 which is arranged on one side of the horizontal part 10 of the clamp seat and is upwards and downwards protruded, and a clamp seat driving mechanism installation part 12 which is arranged on the other side of the horizontal part 10 of the clamp seat and is downwards protruded. A reinforcing rib 13 is connected between the clamp mounting portion 11 and the top surface of the clamp base horizontal portion 10. The clamp seat driving mechanism mounting part 12 comprises a connecting part 14 in the vertical direction connected with the horizontal part 10 of the clamp seat and a horizontal mounting part 15 arranged from the lower end of the connecting part 14 to the side deviating from the clamp mounting part 11 in a protruding way, and a vertical reinforcing rib 16 is arranged between the connecting part 14 and the horizontal mounting part 15.

The clamp seat guide mechanism comprises a guide slide block 17 which is arranged on the bottom surface of the horizontal part 10 of the clamp seat and is provided with a slide groove 171. The caliper holder drive mechanism includes a motor 18, a speed reducer 19, and a gear (not shown) driven by the motor 18. The speed reducer 19 is installed at the bottom of the horizontal installation part 15, a driving shaft of the speed reducer 19 penetrates through the horizontal installation part 15 to be installed with a gear installed on the horizontal installation part 15, and the motor 18 is installed at the bottom of the speed reducer 19.

The movable clamp 2 comprises a clamping part 20 and a mounting part 21 which are perpendicular to each other, the clamping part 20 and the mounting part 21 are both made of metal plates, and the mounting part 21 is welded on the bottom surface of the clamping part 20. The jaw position of the clamping part 20 is provided with an L-shaped concave part 201, the movable clamp 2 further comprises an upper clamping block 22 arranged on the L-shaped concave part 201 and an upper gluing clamping block 23 arranged on the upper clamping block 22, and one side of the upper gluing clamping block 23, which is opposite to the surface of the fixed clamp 3, is slightly higher than the clamping part 20.

The movable clamp guiding mechanism comprises two guiding slide blocks 35 fixed on the mounting part 21 of the movable clamp 2 and two guide rails 36 fixed on one side of the clamp mounting part 11 of the clamp seat 1, which is far away from the clamp horizontal part 10. The guide slide block 35 and the guide rail 36 are arranged between the mounting part 21 of the movable clamp 2 and the clamp seat 1, and the guide rail 36 is arranged in the sliding groove of the guide slide block 35.

The fixed clamp 3 includes a clamping portion 31 and a mounting portion 32 perpendicular to each other, the clamping portion 31 and the mounting portion 32 are both metal plates, and the mounting portion 32 is welded on a bottom surface of the clamping portion 31. The clamping portion 31 is provided with an L-shaped recess 331 at a jaw position, the fixed clamp 3 further includes a lower clamping block 33 mounted on the L-shaped recess 331, and a lower clamping block 34 mounted on the lower clamping block 33, wherein one side of the lower clamping block 34 opposite to the fixed clamp 3 is slightly higher than the clamping portion 31. The clamping portion 31 of the fixed jaw 3 is disposed directly below the clamping portion 20 of the movable jaw 2. The top surface of the clamping portion 20 of the movable clamp 2 is the uppermost plane of the clamping arrangement. The fixed clamp 3 further comprises two reinforcing parts 39 which are respectively arranged on two sides of the clamping part 31 and the installation part 32 and connected with the clamping part 31 and the installation part 32, and the two reinforcing parts 39 are metal plates.

The clamp device further comprises a fixed cushion block 40 fixed on the clamp mounting part 11 and arranged on the two guide rails 36, and a fixed plate 41 fixed on the fixed cushion block 40. The mounting portion 32 of the fixed clamp 3 is fixed to the fixed plate 41. The mounting portion 21 of the movable clamp 2 is provided with a U-shaped clearance groove 24 of the clearance fixing plate 41. The two guide rails 36, the two guide sliders 35 and the mounting portion 21 of the movable clamp 2 are arranged between the fixed plate 41 and the clamp mounting portion 11, and the two guide sliders 35 are respectively mounted on two sides of the U-shaped clearance groove 24 of the mounting portion 21 of the movable clamp 2. The clamp device comprises a fixed cushion block 40 and a fixed plate 41, so that the fixed clamp 3 is simple in structure and convenient to install, the movable clamp 2 is simple in structure and convenient to install, a movement space is reserved for the movable clamp 2, and the whole clamp is simple in structure and convenient to install.

The fixed clamp vertical direction position adjusting mechanism comprises a horizontal direction through hole 321 arranged on the fixed clamp 3, and an adjusting plane 3211 in the vertical direction is arranged on the through hole 321. The clamp mounting portion 11 of the clamp base 1 is fixed by an adjusting screw (omitted) through the through hole 321 of the fixed clamp 3. The top surface of the clamping part 31 of the fixed clamp 3 can be adjusted to be flush with the table surface of the workbench through the fixed clamp vertical direction position adjusting mechanism.

The movable clamp driving mechanism is a driving cylinder 37 arranged on the bottom surface of the clamping part 31 of the fixed clamp 3, the driving shaft of the clamp driving mechanism is a cylinder shaft 38 of the driving cylinder 37, and the cylinder shaft 38 passes through the clamping part 31 of the fixed clamp 3 and is fixed with the clamping part 20 of the movable clamp 2.

The positioning mechanism 5 further comprises a roller 51 which is arranged on the clamping part 31 of the fixed clamp 3 and is opposite to the surface of the clamping part 20 of the movable clamp 2 and is used for positioning a workpiece, and a positioning hole 52 which is arranged on the clamping part 20 of the movable clamp 2; the workpiece roller 51 is arranged at a jaw position close to the fixed clamp 3; the roller 51 is inserted into the positioning hole 52 in a state where the movable clamp 2 and the fixed clamp 3 are closed.

The clamp device also comprises a stress guide column 6 which is fixed on the surface of the clamping part 20 of the movable clamp 2 opposite to the fixed clamp 3 and is used for reducing the deformation of the movable clamp 2 when the clamp device clamps a workpiece, a stress guide hole 61 matched with the stress guide column 6 is arranged on the clamping part 31 of the fixed clamp 3, and a guide sleeve 62 is arranged in the stress guide hole 61. The force guide column 6 is always kept in the guide sleeve 62 of the force guide hole 61 during the opening and closing of the clamp device. The force-receiving guide column 6 is interposed between the roller 51 and the mounting portion 32 of the fixed clamp 3. The top surface of the clamping part 20 of the movable clamp 2 is higher than the top surface of the clamp seat 1 or is flush with the top surface of the clamp seat 1, and is the highest surface of the clamp device.

The rigidity of the movable clamp device is increased by inserting the two stress guide columns 6 arranged on the bottom surface of the clamping part 20 of the movable clamp 2 into the 2 guide sleeves 62 inlaid on the clamping part 31 of the fixed clamp 3, so that the clamping part 20 of the movable clamp 2 can be designed into a plate shape, a structure similar to a reinforcing rib for increasing the rigidity of the movable clamp 2 does not need to be convexly arranged on the top surface of the movable clamp 2, the deformation of the movable clamp 2 can be ensured within an allowable range when the movable clamp 2 and the fixed clamp 3 clamp a wood board, and the precision of the beam clamp module for transporting the wood board is ensured.

By inserting the force guide post 6 of the movable clamp 2 into the clamping part 20 of the fixed clamp 3, the rigidity and the deformation of the clamping device can be ensured within the allowable range even if the clamping part 20 of the movable clamp 2 and the clamping part 31 of the fixed clamp 3 are lengthened in the direction perpendicular to the moving direction of the clamping device. The movable clamp 2 and the fixed clamp 3 are lengthened in the motion direction of the vertical clamp device, the length is generally 32mm, the number of drill bits of the lower machine head h entering the carry origin point is increased, the manufacturability is improved, and the operation is more convenient. The number of the original drill bits is 4, which is increased to 6 at present, and the process requirement can be met.

The movable clamp 2 is designed into a plate shape, a reinforcing rib structure is not required to be added at the top of the movable clamp 2, the thickness of the movable clamp 2 is greatly reduced, a cutter of the upper machine head i can be used for processing the side face of a workpiece in the process of translating from the top plane of the movable clamp 2, the motion range of the upper machine head i is larger, and the upper machine head i is more convenient to process 5 faces of the workpiece.

The guide sliding block 17 is installed on the bottom surface of the clamp horizontal part 10, and the driving cylinder 37 of the movable clamp 2 and the motor 18 of the driving mechanism of the clamp device are respectively arranged on two sides of the guide sliding block 17 and installed in the vertical direction, so that the size of the vertical clamp moving direction of the clamp device is greatly reduced, the clamp device spans on a guide rail of a cross beam, the balance is better, the moving stability is better, and the force arm generated by the driving mechanism of the movable clamp 2 and the driving mechanism of the clamp device on the clamping part 20 of the movable clamp 2 is reduced.

Each clamping device is positioned by two positioning rollers 42, and the clamping device has the advantages that the wood plate is in rolling friction when the wood plate is processed or moves relative to the positioning rollers 42 of the clamping device after being processed, so that the friction force between the positioning rollers 42 and the wood plate is greatly reduced, the wood plate is prevented from running, the processing error is greatly reduced, and the service life of the positioning rollers 42 is greatly prolonged

The clamping part 31 of the fixed clamp 3 and the clamping part 20 of the movable clamp 2 are designed in an integral manner, the movable clamp 2 and the fixed clamp 3 are guided by the guide rail 36 and the stress guide column 6 at the front end, the strength and the rigidity of the clamping device are greatly improved, the stability of clamping a wood board in the moving process of the clamping device is greatly improved, the axis of the positioning roller 42 is always kept at the fixed position of the clamping device, if the abrasion factor of the positioning roller 42 is not considered, the positioning reference cannot be changed, and therefore, long-time accurate positioning can be guaranteed through one-time debugging.

Example 2

As shown in fig. 3, the difference from embodiment 1 is that the clamp base 100 includes a horizontal portion 101, a clamp mounting portion 102 protruding upward and downward from one side of the horizontal portion 101 of the clamp base 100, and a clamp base driving mechanism mounting portion 103 protruding downward from the other side of the horizontal portion 101 of the clamp base 100. A reinforcing rib 104 is connected between the clamp mounting portion 102 and the top surface of the horizontal portion 101 of the clamp base 100. The clamp base drive mechanism mounting portion 103 includes a vertical mounting plate 105 and a horizontal stop plate 106 on the bottom surface of the mounting plate 105.

The speed reducer 107 is installed on the side of the mounting plate 105, which faces away from the fixed clamp 108, the driving shaft of the speed reducer 107 penetrates through the mounting plate 105 to be installed together with the gear 109, and the motor 110 is installed on the side of the speed reducer 107, which faces away from the fixed clamp 108.

The clamp device with the structure has a simpler structure, and the motor and the speed reducer are horizontally arranged, so that the stress on two sides of the clamp is more balanced, and the clamp moves more stably when moving.

Example 3

As shown in fig. 4 and 5, a six-face drilling and milling machining center includes a frame a, an air-floating workbench b, an automatic blanking device c, a beam device d, at least two independently working clamping devices e, a workbench device f, a positioning cylinder g for positioning a workpiece in a Y direction, a lower machine head h, and an upper machine head i.

As shown in fig. 6, the table device f includes a front table 1f and a rear table 2 f.

As shown in fig. 6 to 8, the frame a includes a main frame 1 a. The main frame 1a comprises a main frame base 2a, a portal frame assembly 3a, a left rear cross beam reinforcement 4a, a left front cross beam reinforcement 5a, a right front cross beam reinforcement 6a, a right rear cross beam reinforcement 7a and a table top support frame 8 a.

The main frame base 2a is an integrally closed frame structure, and comprises a front left upright 21a, a rear left upright 22a, a front right upright 23a and a rear right upright 24a which are arranged at four corners. The front left upright post 21a is higher than the rear left upright post 22a, the front right upright post 23a and the rear right upright post 24a, the top surface of the front left upright post 21a is an inclined surface, and the top surfaces of the rear left upright post 22a, the front right upright post 23a and the rear right upright post 24a are all on the same horizontal plane.

A right lower beam 25a and a right upper beam 26a connecting the rear right pillar 24a and the front right pillar 23 a; a rear lower beam 27a and a rear upper beam 28a connecting the rear left pillar 22a and the rear right pillar 24 a; a left lower beam 29a and a left upper beam 30a connecting the front left pillar 21a and the rear left pillar 22 a; a front lower beam 31a and a front upper beam 32a connecting the front right pillar 23a and the front left pillar 21 a. Reinforcing columns 33a are connected between the right upper beam 26a and the right lower beam 25a, between the rear upper beam 28a and the rear lower beam 27a, between the left upper beam 30a and the left lower beam 29a, and between the front upper beam 32a and the front lower beam 31a, and lower reinforcing beams 34a intersecting each other are connected between the front lower beam 31a and the rear lower beam 27a and between the left lower beam 29a and the right lower beam 25 a.

The top surfaces of the left upper beam 30a and the right upper beam 26a are on the same horizontal plane and are installation surfaces of the portal frame assembly 3 a. The front left column 21a, the rear left column 22a, the front right column 23a, and the rear right column 24a project from the right upper beam 26a, and the top surfaces of the front upper beam 32a and the rear upper beam 28a are higher than the top surfaces of the left upper beam 30a and the right upper beam 26 a.

The portal frame assembly 3a is a closed frame structure, and comprises an upper cross beam 35a, a lower cross beam 36a, and a left upright 37a and a right upright 38a connecting the upper cross beam 35a and the lower cross beam 36 a. The left end of the lower cross member 36a is fixed to the left pad 43 on the left upper beam 30a of the main frame base 2a, and the right end of the lower cross member 36a is fixed to the right pad 39a on the right upper beam 26a of the main frame base 2 a. The lower cross member 36a has a lower rail mounting surface 361a on a side surface facing the deck support frame 8a, and the upper cross member 35a has an upper rail mounting surface 362a on a side surface facing the deck support frame 8 a.

The left rear cross member reinforcement 4a includes a horizontal portion 41a and a vertical portion 42a, an end portion of the horizontal portion 41a is fixed to the left pillar 37a, and a bottom portion of the vertical portion 42a is fixed to the rear left pillar 22 a.

The right front cross beam reinforcement 6a and the right rear cross beam reinforcement 7a have the same structure as the left rear cross beam reinforcement 4a, and are mounted on the corresponding columns of the gantry assembly 3a and the main frame base 2 a.

A workbench mounting bracket 9a is arranged on the front upper beam 32a, one side of the workbench mounting bracket 9a is supported on the upper beam 32a, and the other side is supported on the front left upright post 21 a. The table top support frame 8a is mounted on the table mount 9 a. The top surface of the table top support frame 8a is the mounting surface of the front workbench 1f, the top surface of the rear upper beam 28a is the mounting surface of the rear workbench 2f, and the mounting surface of the front workbench 1f and the mounting surface of the rear workbench 2f are on the same horizontal plane. The front end of the left front cross member reinforcement 5a is fixed to the table mounting frame 9a, and the rear end is fixed to the left pillar 37 a.

The main frame seat 2a is of a frame structure, the center of gravity is low, and the deformation is small.

The portal frame component 3a for fixing the upper drill ladle and the lower drill ladle adopts an integrally closed frame type structure, the rigidity is good, the upper guide rail and the lower guide rail can be machined and finished on a machine tool through one-time clamping, and thus the parallelism and the precision of the guide rails are easier to guarantee. The whole closed frame structure is convenient for large-scale processing and more convenient to assemble.

The workbench mounting frame 9a of the main frame base 2a and the table top support frame 8a are integrally welded, and then the mounting surface of the fixed portal frame component 3a and the mounting surface of the table top support frame 8a are processed at one time, so that the precision of the front workbench 1f is ensured.

The main frame seat 2a adopts a steel pipe structure, so that the processing is convenient, and the rigidity and the strength of the frame a can be ensured. Rectangular steel pipes for supporting the portal frame assembly 3a on two sides of the main frame base 2a are lower than the left upright post 37a, the front left upright post 21a, the rear left upright post 22a, the right upright post 38a, the front right upright post 23a and the rear right upright post 24a, so that a worker can maintain and lower the drill ladle conveniently.

The portal frame component 3a is supported from front to back through the left rear cross beam reinforcing part 4a, the left front cross beam reinforcing part 5a, the right front cross beam reinforcing part 6a and the right rear cross beam reinforcing part 7a, the whole portal frame and the main frame seat 2a are connected into a whole, the rigidity and the precision of the portal frame component 3a are guaranteed, and the torsion resistance of the portal frame component 3a is improved. Because the machine has the milling function, the vibration is very obvious during milling, and the milling precision and the milling quality of the main shafts of the upper machine head i and the lower machine head h are directly ensured, so that the surface quality of a machined workpiece is improved.

The six-face numerical control drilling and milling machining center of the main frame 1a is used for machining a workpiece of 900 mm in the industry of the main frame 1a with almost the same size, and the six-face numerical control drilling and milling machining center of the main frame a is used for machining a workpiece of 1200 mm. Therefore, the width of the machine is not increased basically, the defects that the width of the machine is wide, and the distortion and the rigidity of the welding section bar are difficult to ensure are greatly reduced, and the deformation of the front table top is greatly reduced.

The front table top is narrow in width, small in surface and short in cantilever, and has the advantages of small deformation and good support rigidity.

The two lower rails are attached to the two lower rail attachment surfaces 361a of the lower cross member 36a, and the two upper rails are attached to the two upper rail attachment surfaces 362a of the upper cross member 35 a.

The air-floating workbench b and the automatic blanking device c are respectively arranged at two sides of the frame a.

The front table 1f is mounted on the top surface of the table top support frame 8a, and the rear table 2f is mounted on the top surface of the rear upper beam 28a of the main frame 1 a. The front workbench 1f and the rear workbench 2f are separated by a certain distance in the X direction, and a clearance between the front workbench 1f and the rear workbench 2f forms a clearance space for the upper and lower movement of the lower machine head h.

As shown in fig. 4, 10 and 11, the beam device d is disposed on the frame a, one end of the beam device d extends above the air floating table b, the other end of the beam device d extends above the automatic blanking device c, and the clamp devices e are slidably mounted on the beam device d in parallel in the direction X.

The clamp device e comprises a clamp seat 1e, a clamp seat driving mechanism for driving the clamp seat 1e to slide back and forth in the X direction, a movable clamp 2e, a movable clamp driving mechanism for driving the movable clamp 2e to slide back and forth relative to a fixed clamp 3e so as to control the clamp device e to open and close, a fixed clamp Z-direction position adjusting mechanism arranged between the movable clamp 2e and the clamp seat 1e, and a positioning mechanism 5e for positioning a workpiece.

The clamp seat 1e includes a horizontal portion 10e, a clamp mounting portion 11e protruding upward and downward from one side of the horizontal portion 10e, and a clamp seat driving mechanism mounting portion 12e protruding downward from the other side of the horizontal portion 10 e. A rib 13e is connected between the clamp mounting portion 11e and the top surface of the clamp base horizontal portion 10 e. The clamp seat driving mechanism mounting part 12e comprises a connecting part 14e in the vertical direction connected with the horizontal part 10e of the clamp seat and a horizontal mounting part 15e arranged from the lower end of the connecting part 14e to the side away from the clamp mounting part 11e in a protruding mode, and a vertical reinforcing rib 16e is arranged between the connecting part 14e and the horizontal mounting part 15 e.

As shown in fig. 11, the clamp holder guide mechanism includes an X-direction guide slider 17e having a slide groove 171e provided on the bottom surface of the horizontal portion 10e of the clamp holder. The clamp base drive mechanism includes a motor 18e, a speed reducer 19e, and a gear (not shown) driven by the motor 18 e. The speed reducer 19e is mounted at the bottom of the horizontal mounting part 15e, a driving shaft of the speed reducer 19e passes through the horizontal mounting part 15e to be mounted with a gear mounted on the horizontal mounting part 15e, and the motor 18e is mounted at the bottom of the speed reducer 19 e.

The movable clamp 2e includes a clamping portion 20e and a mounting portion 21e perpendicular to each other, the clamping portion 20e and the mounting portion 21e are both a metal plate, and the mounting portion 21e is welded to a bottom surface of the clamping portion 20 e. An L-shaped concave part 201e is arranged at the jaw position of the clamping part 20e, the movable clamp 2e further comprises an upper clamping block 22e arranged on the L-shaped concave part 201e and an upper gluing clamping block 23e arranged on the upper clamping block 22e, and one side of the upper gluing clamping block 23e, which is opposite to the surface of the fixed clamp 3e, is slightly higher than the clamping part 20 e.

The movable clamp guiding mechanism includes two Z-guide sliders 35e fixed to the mounting portion 21e of the movable clamp 2e, and two Z-guide rails 36e fixed to the clamp mounting portion 11e of the clamp base 1e on the side away from the clamp horizontal portion 10 e. The Z-guide slider 35e and the Z-guide rail 36e are disposed between the mounting portion 21e of the movable clamp 2e and the clamp base 1e, and the Z-guide rail 36e is mounted in a slide groove of the Z-guide slider 35 e.

The fixed clamp 3e includes a clamping portion 31e and a mounting portion 32e perpendicular to each other, the clamping portion 31e and the mounting portion 32e are both metal plates, and the mounting portion 32e is welded on a bottom surface of the clamping portion 31 e. An L-shaped recess 331e is provided at the jaw position of the clamping portion 31e, the fixed clamp 3e further includes a lower clamping block 33e mounted on the L-shaped recess 331e, and a lower clamping block 34e mounted on the lower clamping block 33e, and one side of the lower clamping block 34e opposite to the fixed clamp 3e is slightly higher than the clamping portion 31 e. The holding portion 31e of the fixed clamp 3e is disposed directly below the holding portion 20e of the movable clamp 2 e. The top surface of the holding portion 20e of the movable jaw 2e is the highest plane of the jaw device e. The fixed clamp 3e further comprises two reinforcing parts 39e which are respectively arranged on two sides of the clamping part 31e and the installation part 32e and are connected with the clamping part 31e and the installation part 32e, and the two reinforcing parts 39e are metal plates.

The clamp device e further comprises a fixed cushion block 40e fixed on the clamp mounting part 11e and arranged on the two Z-direction guide rails 36e, and a fixed plate 41e fixed on the fixed cushion block 40 e. The mounting portion 32e of the fixed clamp 3e is fixed to the fixed plate 41 e. The mounting portion 21e of the movable clamp 2e is provided with a U-shaped clearance groove 24e of the clearance fixing plate 41 e. Two Z-guide rails 36e, two Z-guide sliders 35e, and a mounting portion 21e of the movable clamp 2e are interposed between the fixed plate 41e and the clamp mounting portion 11e, and the two Z-guide sliders 35e are respectively mounted on both sides of the U-shaped clearance groove 24e of the mounting portion 21e of the movable clamp 2 e. The clamp device comprises a fixed cushion block 40e and a fixed plate 41e, so that the fixed clamp 3e is simple in structure and convenient to install, the movable clamp 2e is simple in structure and convenient to install, a movement space is reserved for the movable clamp 2e, and the whole clamp e is simple in structure and convenient to install.

The fixed clamp Z-direction position adjusting mechanism comprises a Y-direction through hole 321E arranged on the fixed clamp 3E, and a Z-direction adjusting plane 3211E is arranged on the Y-direction through hole 321E. The clamp mounting portion 11E of the clamp holder 1E is fixed to the Y-direction through hole 321E of the fixed clamp 3E by an adjusting screw (not shown). The top surface of the clamping part 31e of the fixed clamp 3e can be adjusted to be flush with the table surface of the workbench through the fixed clamp Z-direction position adjusting mechanism.

The movable clamp driving mechanism is a driving air cylinder 37e arranged on the bottom surface of the clamping part 31e of the fixed clamp 3e, the driving shaft of the clamp driving mechanism is an air cylinder shaft 38e of the driving air cylinder 37e, and the air cylinder shaft 38e passes through the clamping part 31e of the fixed clamp 3e and is fixed with the clamping part 20e of the movable clamp 2 e.

The positioning mechanism 5e comprises a positioning column 50e arranged on the clamping part 31e of the fixed clamp 3e and opposite to the surface of the clamping part 20e of the movable clamp 2e, a roller 51e arranged on the positioning column 50e and used for positioning a workpiece, and a positioning hole 52e arranged on the clamping part 20e of the movable clamp 2 e; the workpiece roller 51e is arranged at a jaw position close to the fixed clamp 3 e; the roller 51e is inserted into the positioning hole 52e in a state where the movable jaw 2e and the fixed jaw 3e are closed.

The clamp device e further comprises a stress guide column 6e which is fixed on the surface of the clamping part 20e of the movable clamp 2e opposite to the fixed clamp 3e and used for reducing the deformation of the movable clamp 2e when the clamp device e clamps a workpiece, a stress guide hole 61e matched with the stress guide column 6e is arranged on the clamping part 31e of the fixed clamp 3e, and a guide sleeve 62e is installed in the stress guide hole 61 e. The force guide post 6e is always kept in the guide sleeve 62e of the force guide hole 61e during the opening and closing of the clamp device e. In the Y direction, the force receiving guide post 6e is interposed between the roller 51e and the mounting portion 32e of the fixed clamp 3 e. The top surface of the clamping portion 20e of the movable clamp 2e is higher than the top surface of the clamp base 1e or flush with the top surface of the clamp base 1e, and is the highest surface of the clamp device.

As shown in fig. 5, the cross member device d includes a cross member 1d, an X-direction guide rail 2d mounted on the top surface of the cross member 1d to be engaged with the slide groove 171e of the X-direction guide slider 17e of the clamp device e, and an X-direction rack 3d engaged with the gear of the clamp device e on the side surface on which the cross member 1d is mounted, the X-direction rack 3d being directed downward. The motor 18e rotates the gear forward and backward through the reduction gear 19e, and drives the clamp device e to slide back and forth in the X direction by meshing with the X-direction rack 3 d.

As shown in fig. 9, the positioning mechanism for positioning the workpiece X direction is a positioning cylinder g. An empty avoiding groove with an opening facing the beam device d is arranged on the surface of the front workbench 1f facing the beam device d and close to the air floating workbench b. The positioning cylinder g is arranged below the fixing block 1g, the fixing block 1g is arranged below the front workbench 1f, and the cylinder shaft 2g penetrates through the fixing block 1g and is arranged in the clearance groove. The blocking and positioning cylinder g is adopted to control the cylinder shaft 2g to stretch out and draw back on the surface of the front workbench 1f, the installation position of the cylinder shaft 2g is close to the front, the cylinder shaft 2g is very close to the position where a person stands during processing, for small plates such as plates of 200-250 mm, when a worker places the plates, the worker can send the wood plates to the positioning part only by applying force on the arms without bending down, the labor intensity of the worker is reduced, and the safety accident caused by that the template is not clearly seen to touch a drill bit rotating at high speed due to too far distance is avoided, so that the safety is greatly increased.

As shown in FIG. 5, the upper machine head i comprises a Y-axis slide plate 1i mounted on the upper beam 35a of the gantry assembly 3a, a Y-axis slide plate driving mechanism for driving the Y-axis slide plate 1i to slide back and forth in the Y direction on the upper beam 35a of the gantry assembly 3a, a Y-axis slide plate guiding mechanism mounted between the upper beam 35a and the Y-axis slide plate 1i, a Z-axis slide plate 2i mounted on the Y-axis slide plate 1i, a Z-axis slide plate driving mechanism for driving the Z-axis slide plate 2i to slide back and forth in the Z direction on the Y-axis slide plate 1i, a Z-axis slide plate guiding mechanism mounted between the Y-axis slide plate 1i and the Z-axis slide plate 2i, a drilling unit 3i fixed in front of the Z-axis slide plate 2i, a milling unit 4i vertically movably mounted in front of the Z-axis slide plate 2i, and a milling unit driving mechanism for driving the milling unit 4, And the milling unit guide mechanism is arranged between the Z-axis sliding plate 2i and the milling unit 4 i.

The upper head i is slidably mounted back and forth on the rails of the two upper rail mounting surfaces 362a of the Y-axis slide guide mechanism of the upper beam 35 a. The lower head h is slidably mounted back and forth on the two lower rails of the lower cross member 36 a. The lower machine head h is arranged right below the front workbench 1f, the rear workbench 2f and the clearance space where the lower machine head h moves up and down, the upper machine head i is arranged right above the clearance space where the front workbench 1f, the rear workbench 2f and the lower machine head h move up and down, and the upper machine head i and the lower machine head h are opposite to each other up and down.

As shown in fig. 12 and 13, the drilling unit 3i is a pneumatic multi-spindle multi-row drill structure, and includes a drilling box 5i, a vertical drilling unit 6i and a horizontal drilling unit 7i mounted on the drilling box 5i, and the drilling unit tracks the workpiece pressing mechanism.

The drilling box 5i of the upper handpiece i comprises an upper drilling box 51i and a lower drilling box 52 i; the opposite surfaces of the upper drilling box 51i and the lower drilling box 52i are correspondingly provided with air groove pipeline grooves 53i, and the air groove pipeline grooves of the upper drilling box 51i and the lower drilling box 52i form a circulating air groove pipeline which is convenient for air to smoothly pass through to achieve a cooling function; the throttle valve 54i with good reliability is additionally arranged at the air inlet of the circulating type air tank pipeline, so that the air consumption of the gang drill combination of various types can be adjusted, the air source is reasonably used, and waste is avoided. The exhaust port of the circulating gas tank pipeline is provided with a dustproof high-exhaust muffler 55i, so that noise is greatly reduced, and wood chips, dust and the like are prevented from entering the gas tank pipeline of the inner cavity. By using the gas tank pipeline and groove structure, the temperature difference of the drilling box 5i is reduced by 5-15 degrees compared with the original structure, so that the drilling unit tracks the workpiece pressing mechanism, the vertical drilling unit 6i, the horizontal drilling unit 7i and the like, and has long service life and good working stability.

A cleaning function channel 56i and a dust blowing cleaning function channel 57i which blow dust to the surface of the workpiece to be processed and are communicated with the inner cavity of the dust hood are arranged in the drilling box 5i, and a high-pressure gas is connected into the cleaning function channel 56i and the dust blowing cleaning function channel 57i from the outside. Because of milling the in-process, the saw-dust is piled up on the work piece surface easily, and outside dust collecting system can not blow away completely, adds highly compressed wind through clean function passageway and lets the saw-dust of processing work piece form the inner loop in the suction hood, with outside dust collecting system combined action for the saw-dust can not pile up on processing the work piece. The sawdust on the surface of the workpiece to be processed is blown away before the workpiece is to be processed, and the sawdust on the surface of the workpiece is prevented from damaging the surface of the workpiece when the workpiece is continuously processed.

The vertical drilling unit 6i comprises twelve drill bits 61i, wherein nine drill bits 61i are arranged on the same straight line at equal intervals in the Y direction, the nine drill bits 61i are arranged in the front part of the drilling unit 3i, one drill bit 61i is arranged from front to back along the X direction at one side far away from the milling unit 4i and with the outermost drill bits arranged along the Y direction, and two drill bits 61i are arranged from front to back along the X direction at one side close to the milling unit 4i and with the outermost drill bits arranged along the Y direction; the projections of the twelve drill bits 61i of the vertical drilling unit 6i in the Z direction are all within the front table 1 f.

The horizontal drilling units 7i are two groups, one group is an X-direction bit horizontal drilling unit 71i, and the other group is a Y-direction bit horizontal drilling unit 72 i. Four X-direction bits 711i are symmetrically installed at the same height on the front and rear sides of the X-direction bit horizontal drilling unit 71i, and four Y-direction bits 712i are symmetrically installed at the same height on the left and right sides of the Y-direction bit horizontal drilling unit 72 i. The X-direction drill bit horizontal drilling unit 71i and the Y-direction drill bit horizontal drilling unit 72i are arranged on one side of nine equally-spaced Y-direction arranged drill bits 61i of the vertical drilling unit 6i, the X-direction drill bit horizontal drilling unit 71i is far away from the milling unit 4i, and the Y-direction drill bit horizontal drilling unit 72i is close to the milling unit 4 i.

As shown in fig. 14-17, the drilling unit tracking work piece pressing mechanism includes a press plate pressing mechanism and a press wheel pressing mechanism. The pressing plate pressing mechanism comprises a first pressing plate pressing mechanism 8i for pressing the workpiece when a hole site in the vertical direction of the left area of the top surface of the workpiece is processed and a second pressing plate pressing mechanism 9i for pressing the workpiece when a hole site in the vertical direction of the right area of the top surface of the workpiece is processed; the pressing wheel pressing mechanism comprises a first pressing wheel pressing mechanism 11i for pressing the workpiece when the horizontal hole position of the back side surface of the workpiece is processed, a second pressing wheel pressing mechanism 10i for pressing the workpiece when the horizontal hole position of the front side surface of the workpiece is processed, a third pressing wheel pressing mechanism 12i for pressing the workpiece when the horizontal hole position of the left side surface of the workpiece and the vertical hole position of the bottom surface of the workpiece are processed, and a fourth pressing wheel pressing mechanism 13i and a fifth pressing wheel pressing mechanism 14i for pressing the workpiece when the horizontal hole position of the right side surface of the workpiece is processed.

Aiming at the conditions that the deformation of a workpiece and the self deformation of the workpiece are influenced by external force when the workpiece is machined, a multi-region pressing plate pressing mechanism is added when holes in the vertical direction are machined; when a hole in the horizontal direction of the left, right, front and back directions is processed, a multi-region pressing wheel pressing mechanism is added; the pressing mechanism presses the corresponding part of the workpiece and then processes the workpiece, so that the processing stability is good, and the processed workpiece has high precision.

As shown in fig. 18 and 19, the first pressing wheel pressing mechanism 11i, the second pressing wheel pressing mechanism 10i, the third pressing wheel pressing mechanism 12i, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i comprise a cylinder 101i fixed with the drilling box 5i, an inductive switch 103i installed on an end cover 102i of the cylinder 101i, a pressing wheel base 104i and a pressing wheel 105 i; the cylinder 101i includes two piston rods 106 i; two piston rods 106i are fixed to the pinch roller base 104i, and the pinch roller 105i is pivoted at the bottom of the pinch roller base 104 i.

As shown in fig. 20 to 23, the first pressing plate pressing mechanism 8i and the second pressing plate pressing mechanism 9i include a pressing plate cylinder 91i fixed to the drilling box 5i, a pressing plate sensing switch 93i installed on a pressing plate end cover 92i of the pressing plate cylinder 91i, a pressing plate base 94i, and a pressing plate 95 i; the platen cylinder 91i includes two platen piston rods 96 i; the two pressing plate piston rods 96i are fixed with the pressing plate seats 94i, and the pressing plates 95i are fixed at the bottoms of the pressing plate seats 94 i; the pressure plate 95i is provided with an arc portion coaxial with the vertical drill.

The pressing plate pressing mechanism is used for ejecting a piston rod in a self-made double-shaft cylinder through an external air source to drive a pressing plate to complete pressing work; the pressing wheel pressing mechanism enables a piston rod in the self-made double-shaft cylinder to be ejected out through an external air source, and drives the high-strength wear-resistant surface rubber coating pressing wheel to complete pressing work, so that the pressing effect is better.

As shown in fig. 17, the first platen pressing mechanism 8i is disposed away from the milling unit 4i, and the second platen pressing mechanism 9i is disposed close to the milling unit 4i, both outside the vertical drill 61 i. Seven arc parts coaxial with the corresponding seven vertical drills are arranged on the pressing plate 95i of the first pressing plate pressing mechanism 8i, and a clearance part for clearance with the first pressing wheel pressing mechanism 11i is further arranged; five arc parts coaxial with the corresponding five vertical drill bits 61i are arranged on the pressure plate 95i of the second pressure plate pressing mechanism 9 i; the pressing plates 95i of the first pressing plate pressing mechanism 8i and the second pressing plate pressing mechanism 9i are disposed outside the corresponding vertical drill bit 61 i.

Cylinders of the first pressing plate pressing mechanism 8i, the second pressing plate pressing mechanism 9i, the first pressing wheel pressing mechanism 11i and the third pressing wheel pressing mechanism 12i are arranged on the bottom surface of the drilling box 5 i; the second pressing wheel pressing mechanism 10i is installed on the rear side of the drilling box 5i, and the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are installed on the right side of the drilling box 5i and are arranged between the drilling box 5i and the milling unit 4 i; the fourth pressing wheel pressing mechanism 13i is close to the second pressing plate pressing mechanism 9 i.

The first pinch roller pressing mechanism 11i is opposite to the X-direction horizontal drill 711i on the front side, the second pinch roller pressing mechanism 10i is opposite to the X-direction horizontal drill 711i on the rear side, the third pinch roller pressing mechanism 12i is opposite to the left Y-direction drill 712i, and the fifth pinch roller pressing mechanism 14i is opposite to the right Y-direction drill 712 i.

The pressing plate pressing mechanism and the pressing wheel pressing mechanism with the structure can play a good pressing effect on a workpiece during processing, are compact in structure, and basically do not need to increase the size of the drilling box 5 i.

Fixed preceding workstation 1f and fixed back workstation 2f need reserve the empty space of avoiding of lower drilling unit 3i, can satisfy once to accomplish six processing. Because the clearance space of the lower drilling unit 3i is reserved in the fixed front workbench 1f and the fixed rear workbench 2f, when a vertical hole in the clearance space is machined, a workpiece is bent and deformed under the influence of external force; because the holes of the two ends of the processing workpiece in the X direction are positioned on the clearance space, the thin plate is easier to deform per se, and the processing precision is greatly influenced; the requirements of the workpiece cannot be met. Thus, the vertical drill bits 61i for processing vertical hole sites are all arranged right above the front table 1 f; the defect that workpieces deform in the middle of the movement of the front table surface and the rear table surface can be overcome.

The twelve drill bits 61i are combined, so that the requirements of multiple customers are greatly met.

When the vertical hole position of the left area of the top surface of the workpiece is processed, the first pressing plate pressing mechanism 8i presses the workpiece.

The pressing plate 95i of the first pressing plate pressing mechanism 8i is pushed out by air first to press the workpiece, and the vertical drill bit 61i to be operated in the left area range of the air-feeding push-out is machined. Because the first pressing plate pressing mechanism 8i and the vertical drill bit 61i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the first pressing plate pressing mechanism 8i is 0.3Mpa, the air pressure of the drill bit 61i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the first pressing plate pressing mechanism 8i retracts to complete machining.

When the vertical hole position of the right area of the top surface of the workpiece is processed, the second pressing plate pressing mechanism 9i presses the workpiece.

The pressing plate 95i of the second pressing plate pressing mechanism 9i is firstly inflated to press the workpiece, and then the vertical drill bit 61i to be operated in the range of the right area of the top surface of the workpiece is inflated to finish the processing. Because the second pressing plate pressing mechanism 9i and the vertical drill bit 61i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the drill bit 61i of the second pressing plate pressing mechanism 9i is 0.3Mpa to 0.5-0.7Mpa, and when the workpiece exceeds the pressure during machining, the second pressing plate pressing mechanism 9i retracts, and machining is completed.

When horizontal hole sites on the back side of the workpiece are machined, the first pressing wheel pressing mechanism 11i presses the workpiece.

Firstly, ejecting an X-direction drill bit 711i at the front side of the X-direction drill bit horizontal drilling unit 71i in an air supply mode, and controlling the first pressing wheel pressing mechanism 11i to eject in an air manner after the pressing wheel 105i presses and presses down to finish the action when a workpiece is fed to the head of the X-direction drill bit 711i at the front side of the X-direction drill bit horizontal drilling unit 71i by 30-50 mm; the workpiece is advanced to the hole site on the back side of the workpiece. The first pinch roller pressing mechanism 11i and the X-direction drill 711i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the first pressing wheel pressing mechanism 11i is 0.3Mpa, the air pressure of the X-direction drill 711i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the first pressing wheel pressing mechanism 11i retracts to finish machining.

When horizontal hole sites on the front side surface of the workpiece are machined, the second pressing wheel pressing mechanism 10i presses the workpiece.

Firstly, ejecting an X-direction drill bit 711i at the rear side of the X-direction drill bit horizontal drilling unit 71i in an air supply mode, and controlling the second pressing wheel pressing mechanism 10i to eject in an air supply mode when a workpiece is fed to the head of the X-direction drill bit 711i by 30-50mm and to be pressed down by a pressing wheel 105i to finish the action; after the workpiece is machined, a hole position on the front side surface of the workpiece is machined, and the second pressing wheel pressing mechanism 10i and the X-direction drill 711i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the second pressing wheel pressing mechanism 10i is 0.3MpaX, and the air pressure of the second pressing wheel pressing mechanism 10i is 0.5-0.7Mpa towards the drill 711i, and when the workpiece exceeds the pressure during machining, the second pressing wheel pressing mechanism 10i retracts, so that the machining is completed.

When a horizontal hole position on the left side surface of the workpiece is machined and/or a vertical hole position on the bottom surface of the workpiece is machined, the third pressing wheel pressing mechanism 12i presses the workpiece.

Firstly, a Y-direction drill bit 712i on the left side of the Y-direction drill bit horizontal drilling unit 72i is pneumatically ejected, and the third pressing wheel pressing mechanism 12i is pneumatically ejected and pressed down by a pressing wheel 105i when a workpiece is fed to the head of the Y-direction drill bit 712i by 30-50mm to finish the action; the left side of the workpiece is fed to process the hole position on the left side surface of the workpiece, and the third pressing wheel pressing mechanism 12i and the Y-direction drill 712i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the third pressing wheel pressing mechanism 12i is 0.3MpaY, and the air pressure of the drill 712i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the third pressing wheel pressing mechanism 12i retracts, so that the machining is finished.

Firstly, the third pinch roller pressing mechanism 12i is ejected by air supply, and a vertical drill working at the lower drilling part upwards completes the action; because the third pinch roller pressing mechanism 12i and the vertical drill working at the lower drilling part are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the first pressing plate pressing mechanism 8i is 0.3Mpa, the vertical drilling air pressure is 0.5-0.7Mpa, when the workpiece exceeds the pressure during machining, the first pressing plate pressing mechanism 8i retracts, and machining is finished

When horizontal hole positions on the right side face of the workpiece are machined, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i press the workpiece;

firstly, the Y-direction drill bit 712i on the right side of the Y-direction drill bit horizontal drilling unit 72i is pneumatically ejected, and the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are pneumatically ejected when a workpiece is fed to the head of the Y-direction drill bit 712i by 30-50mm and are pressed down by the pressing wheel 105i to finish the action; because the clamp device e is used for solving the problem of avoiding, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are divided into two areas to be pressed, and the requirement that the workpiece is fed to the hole position on the right side surface of the machined workpiece in the right direction is met. Because the fourth pressing wheel pressing mechanism 13i, the fifth pressing wheel pressing mechanism 14i and the Y-direction drill 712i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i is 0.3Mpa, and the air pressure of the Y-direction drill 712i is 0.5-0.7Mpa, when the workpiece exceeds the pressure, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i retract to complete machining;

as shown in fig. 22 to 25, the milling unit 4i includes a milling unit slide 40i, an electric spindle 41i mounted on the milling unit slide 40i, a milling cutter 42i, and a milling unit tracking work pressing mechanism 43 i.

The milling unit tracking workpiece pressing mechanism 43i comprises a mounting seat arranged on the milling unit sliding plate 40i, a material pressing sliding seat and a sliding seat driving mechanism, wherein the material pressing sliding seat and the sliding seat driving mechanism are arranged on the mounting seat in a vertically sliding manner; the pressing device comprises a pressing cylinder fixed on a pressing sliding seat and a pressing piece fixed at the piston end of the pressing cylinder.

The mounting seat of the workpiece tracking pressing mechanism 43i of the milling unit comprises a spindle pressing bracket plate 431i, the rear side surface of which is fixed on the milling unit sliding plate 40i, a spindle pressing fixing seat 432i which is fixed on the bottom surface of the spindle pressing bracket plate 431i and is provided with a U-shaped groove with an upward opening, and a side pull plate 433i, one side surface of which is fixed on the spindle pressing fixing seat 432i, and the other side surface of which is fixed on the milling unit sliding plate 40 i.

A shim plate 44i is mounted on the top surface of the spindle holder plate 431 i. The sliding seat driving mechanism comprises a servo motor 45i installed on the top surface of the base plate 44i, a bearing seat 46i, a single-row angular contact ball bearing installed in the bearing seat 46i, a bearing seat fixing plate 461i, a screw rod pair 47i with the upper end penetrating through the bearing seat 46i and the ball bearing and connected with an output shaft of the motor, and a screw rod seat 471i installed on the screw rod pair 47 i; a slide block 473i fixed to the rear side surface of the swaging slide base 472i on both sides of the screw base 471i, and a guide rail 474i fixed to the front side surface of the spindle swaging holder 432i in cooperation with the slide block 473 i. The screw seat 471i is fixed to the pressing slide 472 i. The swaging sliding seat 472i and the bearing seat fixing plate 461i are respectively disposed at two sides of the spindle swaging fixing seat 432i, and the bearing seat fixing plate 461i is fixed with the spindle swaging fixing seat 432i and disposed at the top of the spindle swaging fixing seat 432 i.

The milling unit tracking workpiece pressing mechanism 43i further comprises a material pressing cylinder seat 48i fixed on the material pressing sliding seat 472 i; the swaging cylinders comprise a left swaging cylinder 481i fixed on the left side of the swaging cylinder seat 48i, a right swaging cylinder 482i fixed on the right side of the swaging cylinder seat 48i, a left swaging plate 483i fixed on the piston end of the left swaging cylinder 481i, and a right swaging plate 484i fixed on the piston end of the right swaging cylinder 482 i;

the milling unit tracking workpiece pressing mechanism 43i further includes a lower fixing plate 434i fixed on the bottom surface of the spindle swaging fixing seat 432i, a spindle swaging fixing seat 432i protruding from the front side of the lower fixing plate 434i, a slide upper limit rubber bar (not shown) fixed on the bottom surface of the front side of the spindle swaging bracket plate 431i, and a slide lower limit rubber bar 435i fixed on the top surface of the front side of the lower fixing plate 434 i.

The material pressing cylinder seat 48i is Y-shaped and comprises a cylinder seat vertical part 485i and a U-shaped part 486i provided with a U-shaped clearance groove facing the material pressing slide seat 472i and used for clearance of a screw rod, and the U-shaped part 486i penetrates through the U-shaped groove on the main shaft material pressing fixed seat 432i and is fixed on the material pressing slide seat 472 i; the left swaging cylinder 481i and the right swaging cylinder 482i are respectively fixed on two opposite side surfaces of the cylinder seat vertical portion 485 i.

The left pressure plate 483i is L-shaped and comprises a pressure plate horizontal mounting part 4831i, a pressure plate vertical connecting part 4832i and a horizontal pressure plate 4833 i; the horizontal pressing plate mounting part 4831i and the horizontal pressing part 4833i are arranged on the same side of the vertical pressing plate connecting part 4832i, the horizontal pressing part 4833i is provided with an empty-avoiding open slot, and the horizontal pressing plate mounting part 4831i avoids the empty-avoiding open slot on the horizontal pressing part 4833i in the vertical direction;

the right pressure plate 484i and the left pressure plate 483i are basically symmetrical in structure, and only the horizontal pressure section 4833i is slightly different in structure; the empty-avoiding open groove of the right pressure plate 484i is arranged opposite to the empty-avoiding open groove of the left pressure plate 483i so as to facilitate the empty avoidance of the main shaft during processing.

A drill spindle dust hood 49i is further fixed on the bottom surface of the lower fixing plate 434i, and a right presser plate 484i and a left presser plate 483i are installed in the drill spindle dust hood 49i fixed on the lower fixing plate 434 i.

The milling unit tracking workpiece pressing mechanism 43i is fixed to the milling unit slide plate 40i through the spindle swaging bracket plate 431i and the side pulling plate 433 i.

The milling unit sliding plate 40i is stretched by the air cylinder to complete Z-up and down movement. The milling unit tracking workpiece pressing mechanism 43i is a precision digitally controlled double-cylinder double-area tracking workpiece pressing mechanism. The milling unit tracks the workpiece pressing mechanism 43i, a servo motor 45i under precise digital control drives a screw rod set to enable a material pressing sliding seat 472i to move up and down, and cylinder shafts of a left material pressing cylinder 481i and a right material pressing cylinder 482i in double areas are ejected out to finish material pressing.

In the milling unit 4i, a milling unit tracking workpiece pressing mechanism 43i is additionally arranged, so that groove drawing and anisotropic machining of a main shaft can be realized, and market requirements are met; aiming at various workpieces, particularly smooth workpieces with surfaces easy to scratch, the milling unit tracking workpiece pressing mechanism 43i can track the workpieces along with the main shaft to realize pressing processing on the workpieces, so that the surfaces of the workpieces are not scratched during milling.

Since the wood has deformation, when the milling unit 4i downwardly processes the workpiece, the milling unit tracks the workpiece pressing mechanism 43i and the left pressing member and the right pressing member mounted on the material pressing slide seat 472i are driven by the slide seat driving mechanism to control the up-down stroke of the left pressing member and the right pressing member. For example: the milling unit 4i machines the workpiece 5mm downwards and the milling unit moves 5mm upwards following the workpiece pressing mechanism 43 i. The clamping device e is avoided, the edge section of the workpiece can be completely processed, the pressing pieces are controlled in two areas, and the left pressing piece and the right pressing piece need to be used, so that when the workpiece is processed, the dead-angle-free processing area can be realized by tracking and limiting processing; when in processing, the left pressing part and the right pressing part are 0.2-0.5MM away from the workpiece for limiting, the surface of the workpiece is not directly pressed for processing, and the phenomena of surface scratch of the workpiece and the like are reduced.

The structure of the lower head h, as shown in fig. 4 to 6, includes a Y-axis slide plate mounted on the lower beam 36a of the gantry assembly 3a, a Y-axis slide plate driving mechanism for driving the Y-axis slide plate to slide back and forth in the Y-direction on the lower beam 36a of the gantry assembly 3a, a Y-axis slide plate guiding mechanism mounted between the lower beam 36a and the Y-axis slide plate, a Z-axis slide plate mounted on the Y-axis slide plate, a Z-axis slide plate driving mechanism for driving the Z-axis slide plate to slide back and forth in the Z-direction on the Y-axis slide plate, a Z-axis slide plate guiding mechanism mounted between the Y-axis slide plate and the Z-axis slide plate, and a drilling unit fixed in front of the Z. One approach includes a drilling unit comprising a vertical drilling unit; the other mode comprises a drilling unit and a milling unit, wherein the drilling unit comprises a drilling box and a vertical drilling unit. The lower head h does not require a horizontal drilling unit. The lower head h is of conventional construction and will not be described in detail

Six numerical control machining center's last aircraft nose i includes drilling unit 3i and lower aircraft nose h includes the unit of boring down, and drilling unit 3i includes horizontal drilling unit 7i and vertical drilling unit 6i, and the unit of boring down includes the vertical drilling unit, therefore can accomplish six drilling processing. The upper machine head i comprises a milling unit 4i, and milling machining of the top surface of the workpiece can be completed. The lower head h, if also comprising the milling unit 4i, can complete the milling of the bottom surface of the workpiece. A motor in the drilling unit drives a gear to drive the vertical hole and the horizontal hole, and air is supplied to an air cylinder to eject the vertical drill and the horizontal drill to complete work.

The embodiment of the utility model discloses a can use with the cooperation of backup plate ware, because current structure, no longer detail.

Above, it is only the preferred embodiment of the present invention, not to limit the present invention in any form, although the present invention has been disclosed with the preferred embodiment, but not to limit the present invention, those skilled in the art can make modifications or equivalent embodiments with equivalent changes when using the above disclosed technical content without departing from the technical scope of the present invention, but all the modifications, substitutions, improvements and the like made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical scheme of the present invention.

The utility model discloses in, preceding, back, left and right are for writing the convenience, are not to the restriction to the protection scope.

Claims

1. A clamp device of numerical control equipment comprises a clamp seat, a clamp seat driving mechanism for driving the clamp seat to slide back and forth, a fixed clamp, a movable clamp and a movable clamp driving mechanism for driving the movable clamp to slide back and forth up and down relative to the fixed clamp so as to control the clamp device to open and close; the positioning mechanism is used for positioning the workpiece;

a movable clamp guiding mechanism for the movable clamp to slide up and down is arranged between the movable clamp and the clamp seat; the method is characterized in that:

2. The clamp apparatus of numerical control equipment according to claim 1, wherein: the clamping part and the mounting part of the movable clamp are both metal plates and are welded together; the clamping part and the mounting part of the fixed clamp are both metal plates and are welded together;

the clamp device also comprises a fixing piece fixed on the clamp mounting part, and the mounting part of the fixed clamp is fixed on the fixing piece; the mounting part of the movable clamp is provided with a U-shaped clearance groove of the clearance fixing piece; the movable clamp guiding mechanism and the mounting part of the movable clamp are arranged between the fixing part and the clamp mounting part;

the surface of the clamping part of the movable clamp departing from the clamping part of the fixed clamp is higher than the clamp seat or is flush with the clamp seat.

3. The clamp apparatus of numerical control equipment according to claim 1, wherein: the fixed clamp also comprises a clamping block arranged on the L-shaped concave part and a rubber clamping block arranged on the clamping block; the movable clamp is characterized in that an L-shaped concave part is arranged at the jaw position of the clamping part of the movable clamp, and the movable clamp further comprises a clamping block arranged on the L-shaped concave part and a rubber clamping block arranged on the clamping block.

4. The clamp apparatus of numerical control equipment according to claim 1, wherein:

the movable clamp driving mechanism is a driving cylinder which is arranged on the clamping part of the fixed clamp and deviates from the clamping part of the movable clamp, the driving shaft of the clamp driving mechanism is a cylinder shaft of the driving cylinder, and the cylinder shaft penetrates through the clamping part of the fixed clamp and is fixed with the clamping part of the movable clamp;

5. The clamp apparatus of numerical control equipment according to claim 4, wherein: the clamp seat driving mechanism mounting part comprises a connecting part in the vertical direction and connected with the horizontal part of the clamp seat, and a horizontal mounting part which is convexly arranged from the lower end of the connecting part to one side away from the clamp mounting part;

6. The clamp apparatus of numerical control equipment according to claim 4, wherein:

7. The clamp apparatus of numerical control equipment according to claim 4, wherein: the positioning mechanism comprises a positioning shaft, a roller and a positioning hole, wherein the positioning shaft is arranged on the surface of the clamping part of the fixed clamp relative to the clamping part of the movable clamp and used for positioning a workpiece; the workpiece positioning shaft is arranged at a position close to the jaw of the fixed clamp; the positioning column is inserted into the positioning hole when the movable clamp and the fixed clamp are in a closed state; the stressed guide column is arranged between the positioning column and the mounting part of the movable clamp;

8. A numerical control apparatus including a clamping apparatus as claimed in any one of claims 1 to 7, including a frame, a beam means and at least two clamping apparatus;

the machine head comprises a Y-axis sliding plate arranged on an upper cross beam of the gantry frame assembly, a Y-axis sliding plate driving mechanism for driving the Y-axis sliding plate to slide back and forth in the Y direction on the upper cross beam of the gantry frame assembly, a Y-axis sliding plate guiding mechanism arranged between the upper cross beam and the Y-axis sliding plate, a Z-axis sliding plate arranged on the Y-axis sliding plate, a Z-axis sliding plate driving mechanism for driving the Z-axis sliding plate to slide back and forth in the Z direction on the Y-axis sliding plate, a Z-axis sliding plate guiding mechanism arranged between the Y-axis sliding plate and the Z-axis sliding plate, and a drilling unit fixed.

9. A numerical control apparatus according to claim 8, characterized in that: the drilling unit comprises an upper drilling box and a lower drilling box; the opposite surfaces of the upper drilling box and the lower drilling box are correspondingly provided with air channel pipeline grooves, the air channel pipeline grooves of the upper drilling box and the lower drilling box form a circulating air channel pipeline, and the circulating air channel pipeline is convenient for air to smoothly pass through to achieve a cooling function; a throttle valve with good reliability is added at the air inlet of the circulating air tank pipeline; and a dustproof exhaust muffler is arranged at the exhaust port of the circulating gas tank pipeline.

10. A numerical control apparatus according to claim 1, characterized in that: the drilling unit comprises a drilling box; and a Z-direction cleaning function channel which blows dust on the surface of the workpiece to be processed and is communicated with the inner cavity of the dust hood is arranged in the drilling box, and the cleaning function channel is communicated with external high-pressure air.