CN215846830U

CN215846830U - Special vertical turning, milling, drilling and grinding combined machining center for production of brake disc and brake drum

Info

Publication number: CN215846830U
Application number: CN202120919868.7U
Authority: CN
Inventors: 张克样; 张复兴
Original assignee: Longkou Tiangong Machinery Parts Co ltd
Current assignee: Longkou Tiangong Machinery Parts Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-02-18
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a special vertical turning, milling, drilling and grinding combined machining center for production of brake discs and brake drums, which comprises a workbench, a workpiece fixing device, a drill bit clamping device, a milling cutter changing device, a milling cutter clamping device and a turning tool clamping device, wherein the workpiece fixing device is arranged at the middle part of the workbench; the drill bit clamping device, the milling cutter clamping device and the turning tool clamping device respectively comprise a first moving device, a connecting frame and a second moving device, and the first moving device is connected with the second moving device through the connecting frame. The milling cutter clamping device has the advantages that the function of the lathe is combined into the machining center, the workpiece machining efficiency is improved, the occupied area of equipment is reduced, the milling cutter clamping device has a self-protection function, and the milling cutter is prevented from being damaged.

Description

Special vertical turning, milling, drilling and grinding combined machining center for production of brake disc and brake drum

Technical Field

The utility model relates to the technical field of brake disc and brake drum processing, in particular to a special vertical turning, milling, drilling and grinding combined processing center for brake disc and brake drum production.

Background

With the continuous development of industrialization, the requirement on the machining production efficiency of workpieces is higher and higher, which puts higher requirements on machining equipment, not only needs the machining equipment to have higher machining precision, but also can finish the machining of multi-station steps as soon as possible, and reduces the consumption of time, manpower and material resources.

At present, in the production field of brake discs and brake drums, multiple production processes such as turning, milling, drilling and grinding are needed, one-time machining and forming are difficult to achieve through one machine tool, machining is usually required to be performed through a machine tool in multiple procedures, and due to the fact that workpieces are clamped for multiple times, the positioning accuracy is difficult to guarantee, the product quality is affected by different degrees, the production efficiency is reduced, and the labor intensity of operators is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the background technology, the utility model provides a special vertical turning, milling, drilling and grinding combined machining center for producing brake discs and brake drums.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a vertical turning, milling, drilling and grinding combined machining center special for brake disc and brake drum production comprises a workbench, a workpiece fixing device, a drill bit clamping device, a milling cutter tool changing device, a milling cutter clamping device and a turning tool clamping device, wherein the workpiece fixing device is arranged in the middle of the workbench; the drill bit clamping device, the milling cutter clamping device and the turning tool clamping device respectively comprise a first moving device, a connecting frame and a second moving device, and the first moving device is connected with the second moving device through the connecting frame.

Milling cutter clamping device includes first connecting plate, connecting block, first connecting strip, second connecting strip, bolt, motor, second connecting plate, connecting cylinder, be equipped with the connecting block on the first connecting plate, the one end and the connecting block of first connecting strip rotate to be connected, the other end of first connecting strip rotates with the one end of second connecting strip to be connected, the other end of second connecting strip rotates with the upper end of connecting cylinder to be connected, the connecting cylinder lower extreme slides and sets up first connecting plate mid portion, the motor slides and sets up on the second connecting plate, the bolt passes the connecting cylinder and is connected with the motor. The motor drives the bolt to rotate.

The link is the I shape, the link includes fixed plate, diaphragm, riser, the fixed diaphragm that is provided with in both ends of riser, be equipped with the fixed plate on the riser, fixed plate, diaphragm parallel arrangement each other, fixed plate, diaphragm set up with riser mutually perpendicular respectively.

First telecontrol equipment sets up inside the link, first telecontrol equipment includes horizontal cylinder, vertical cylinder, fastener, follows driving wheel, action wheel, rotation axis, extension axle, horizontal cylinder is connected with the action wheel, the action wheel passes through the belt drive with following the driving wheel and is connected, the fixed one side that sets up the riser of horizontal cylinder, vertical cylinder sets up the opposite side at the riser, vertical cylinder sets up on the fixed plate, vertical cylinder is connected with the extension axle, the extension axle passes through the fastener and fixes the setting on the riser, the extension axle passes from driving wheel, diaphragm and rotation axis fixed connection. The elongate shaft is fixedly disposed in a central portion of the driven wheel. The horizontal cylinder drives the driving wheel to rotate, and the vertical cylinder drives the extension shaft to move.

The workpiece fixing device comprises a fixing cylinder, a fixing base, a clamping table, a clamping block and a rotating table, wherein the fixing cylinder is fixedly arranged below the fixing base, the fixing cylinder is connected with an air cylinder extension shaft, the lower end of the rotating table is fixedly arranged on the air cylinder extension shaft, the clamping table is fixedly arranged at the upper end of the rotating table, the clamping block is arranged on the clamping table and is in sliding connection with the clamping table. The fixing base is provided with a positioning groove, a positioning block is arranged below the rotating platform, and the positioning groove is matched with the positioning block.

The second movement device comprises a rotary cylinder, a second connecting frame and a lead screw, the rotary cylinder is arranged at one end of the second connecting frame, the second connecting frame is fixedly connected with the rotating shaft, and the rotary cylinder penetrates through the second connecting frame and is connected with the lead screw. One end of a screw rod in the drill bit clamping device is connected with the drill bit, and one end of the turning tool clamping device is connected with the turning tool. And a milling cutter is connected in the connecting cylinder.

The utility model has the beneficial effects that: the utility model can clamp the workpiece once, and can carry out turning, milling and drilling on the workpiece, thereby avoiding the error caused by repeated clamping of the workpiece. The milling cutter clamping device has a self-protection function, when the cutter head is stressed too much, the fastening bolt can be broken, and the cutter head can retract into the clamping device under the action of pressure, so that the milling cutter is protected, and the milling cutter is prevented from being damaged.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the workpiece fixing device of the present invention.

Fig. 3 is a schematic view showing the construction of the milling cutter holding device and the milling cutter changing device of the present invention.

Fig. 4 is a schematic structural view of the first and second moving devices of the present invention.

Fig. 5 is a partial structural schematic view of the milling cutter clamping device of the present invention.

In the figure, 1, a workbench, 2, a workpiece fixing device, 3, a drill bit clamping device, 4, a milling cutter changing device, 5, a milling cutter clamping device, 6, a turning tool clamping device, 7, a first moving device, 8, a connecting frame, 9, a second moving device, 21, a fixed air cylinder, 22, a positioning groove, 23, a fixed base, 24, a clamping table, 25, a clamping block, 26, a rotating table, 27, a positioning block, 41, a horizontal moving device, 42, a connecting plate, 51, a first connecting plate, 52, a connecting block, 53, a first connecting strip, 54, a second connecting strip, 55, a bolt, 56, a motor, 57, a second connecting plate, 58, a connecting cylinder, 71, a horizontal air cylinder, 72, a vertical air cylinder, 73, a fastener, 74, a driven wheel, 75, a driving wheel, 76, a rotating shaft, 81, a fixed plate, 82, a transverse plate, 83, a vertical plate, 91, a rotating air cylinder, 92, a second connecting frame, 93. and a lead screw.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings and examples, and parts not described in the present invention can be implemented by using or referring to the prior art.

It should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1-5, a vertical turning, milling, drilling and grinding combined machining center special for brake disc and brake drum production comprises a workbench 1, a workpiece fixing device 2, a drill bit clamping device 3, a milling cutter changing device 4, a milling cutter clamping device 5 and a turning cutter clamping device 6. The workpiece fixing device 2 is arranged in the middle of the workbench 1, the drill bit clamping device 3, the milling cutter clamping device 5 and the turning cutter clamping device 6 are respectively arranged at the edge part of the workbench 1, and the milling cutter changing device 4 and the milling cutter clamping device 5 are connected; the drill bit clamping device 3, the milling cutter clamping device 5 and the turning tool clamping device 6 respectively comprise a first moving device 7, a connecting frame 8 and a second moving device 9, and the first moving device 7 is connected with the second moving device 9 through the connecting frame 8. In the actual machining process of the workpiece, a milling cutter needs to be replaced for some complex workpieces, and the milling cutter replacing device 4 is used for replacing the milling cutter.

The inside of the workbench 1 adopts a honeycomb design, has the characteristics of shock absorption, shock resistance, high strength and deformation resistance, and effectively ensures the working stability of the machine tool.

Milling cutter clamping device 5 includes first connecting plate 51, connecting block 52, first connecting strip 53, second connecting strip 54, bolt 55, motor 56, second connecting plate 57, connecting cylinder 58, be equipped with connecting block 52 on the first connecting plate 51, the one end and the connecting block 52 of first connecting strip 53 rotate to be connected, the other end of first connecting strip 53 rotates with the one end of second connecting strip 54 to be connected, the other end of second connecting strip 54 rotates with the upper end of connecting cylinder 58 to be connected, connecting cylinder 58 lower extreme slides and sets up first connecting plate 51 mid portion, motor 56 is fixed to be set up on second connecting plate 57, bolt 55 passes connecting cylinder 58 and is connected with motor 56. The motor 56 drives the bolt 55 to rotate.

The connecting frame 8 is i-shaped, the connecting frame 8 comprises a fixing plate 81, a transverse plate 82 and a vertical plate 83, the transverse plate 82 is fixedly arranged at two ends of the vertical plate 83, the fixing plate 81 is arranged on the vertical plate 83, the fixing plate 81 and the transverse plate 82 are arranged in parallel, and the fixing plate 81 and the transverse plate 82 are respectively perpendicular to the vertical plate 83.

The first movement device 7 is arranged inside the connecting frame 8, the first movement device 7 comprises a horizontal cylinder 71, a vertical cylinder 72, a fastener 73, a driven wheel 74, a driving wheel 75, a rotating shaft 76 and an extension shaft 77, the horizontal cylinder 71 is connected with the driving wheel 75, the driving wheel 75 is connected with the driven wheel 74 through belt transmission, the horizontal cylinder 71 is fixedly provided with one side of a vertical plate 83, the vertical cylinder 72 is arranged on the other side of the vertical plate 83, the vertical cylinder 72 is arranged on a fixing plate 81, the vertical cylinder 72 is connected with the extension shaft 77, the extension shaft 77 is fixedly arranged on the vertical plate 83 through the fastener 73, and the extension shaft 77 penetrates through the driven wheel 74 and a transverse plate 82 is fixedly connected with the rotating shaft 76. An elongate shaft 77 is fixedly disposed in a central portion of the driven pulley 74. The horizontal cylinder 71 drives the driving wheel 75 to rotate, and the vertical cylinder 72 drives the extension shaft 77 to move.

The workpiece fixing device 2 comprises a fixing cylinder 21, a fixing base 23, a clamping table 24, a clamping block 25 and a rotating table 26, wherein the fixing cylinder 21 is fixedly arranged below the fixing base 23, the fixing cylinder 21 is connected with an air cylinder extension shaft, the air cylinder extension shaft is fixedly provided with the lower end of the rotating table 26, the upper end of the rotating table 26 is fixedly provided with the clamping table 24, the clamping table 24 is provided with a plurality of clamping blocks 25, and the clamping blocks 25 are slidably connected with the clamping table 24. The fixed base 23 is provided with a positioning groove 22, a positioning block 27 is arranged below the rotating platform 26, and the positioning groove 22 is matched with the positioning block 27.

The clamping table 24 adopts a chuck with the diameter of 500mm, the rotation diameter of 750mm and the stroke in the direction of the super-large Z axis, so that the applicability of the machine tool is improved to the maximum extent.

The second moving device 9 includes a rotary cylinder 91, a second connecting frame 92, and a screw 93, the rotary cylinder 91 is disposed at one end of the second connecting frame 92, the second connecting frame 92 is fixedly connected to the rotating shaft 76, and the rotary cylinder 91 passes through the second connecting frame 92 and is connected to the screw 93.

The lead screw 93 and the guide rail matched with the lead screw adopt a Taiwan silver G4 standard edition, the design is weighted, the diameter of the section reaches 50mm, the feeding is stable, the precision and the sensitivity are high, the size change of every 0.01mm is clear and visible, and four-digit indication values after decimal point are displayed.

One end of a screw 93 in the drill bit clamping device 3 is connected with a drill bit, and one end of the turning tool clamping device 6 is connected with a turning tool. A milling cutter is attached to the connecting barrel 58. The drill bit clamping device 3, the milling cutter clamping device 5 and the turning tool clamping device 6 need to be adjusted in angle and distance during actual use, the first moving device 7 can realize rotation of the angle and movement in the vertical direction, and the second moving device 9 can realize movement in the horizontal direction.

When the utility model needs to be turned, the workpiece is clamped by the clamping block 25, and when the workpiece is clamped by the clamping block 25, the clamping block 25 is connected with the clamping table 24 through a bolt. The fixed cylinder 21 drives the rotating table 26 to move upwards through the cylinder extension shaft until the positioning block 27 is not in contact with the positioning groove 22, then the turning tool is adjusted to a proper position through the first moving device 7 and the second moving device 9 in the turning tool clamping device 6 and then fixed, and finally the fixed cylinder 21 drives the rotating table 26 to rotate through the cylinder extension shaft, and as the clamping table 24 is fixedly connected with the rotating table 26, the workpiece in the clamping table 24 rotates along with the rotation, and the turning of the workpiece is realized through the rotation of the workpiece and the fixation of the turning tool. When the drilling machine needs to drill a workpiece, the operation steps are the same as those of turning. The drill bit and the milling cutter are firstly arranged on the cutter handle and then are clamped and fixed in the prior art, and the clamping and fixing of the turning tool are also in the prior art, so that the details are not repeated.

When the milling machine needs to mill a workpiece, the fixed cylinder 21 drives the rotating table 26 to move up and down and rotate through the cylinder extension shaft until the positioning groove 22 is matched with the positioning block 27. The fixed cylinder 21 keeps the rotating platform still through the cylinder extension shaft, and then the rotating platform 26 is further ensured to be still through the cooperation of the positioning groove 22 and the positioning block 27. The clamping table 24 is stationary with the rotary table 26, and the milling cutter clamping device 5 moves the milling cutter by the first moving device 7 and the second moving device 9. And the milling cutter mills the static workpiece. The milling cutter needs to be changed in the process of machining a workpiece, and the changing of the milling cutter can be realized through the milling cutter changing device 4.

The milling cutter clamping device 5 has a milling cutter self-protection function, the milling cutter is arranged in the connecting cylinder 58, the interior of the connecting cylinder 58 is conical, the milling cutter is arranged in the conical cutter handle, the upper part of the cutter handle of the milling cutter is fixed through the bolt 55, and the interior of the connecting cylinder 58 is conical, so that the milling cutter can be installed more and more tightly under the action of gravity, and the phenomenon that the milling cutter falls off is avoided. In the working process of the milling cutter, if a workpiece is too hard, the milling cutter is stressed by too much pressure, the bolt 55 in the connecting cylinder 58 is stressed, and when the stress is too much, the bolt 55 can be broken, so that the milling cutter is protected, and the milling cutter is prevented from being damaged.

When the milling cutter is installed, the motor 56 drives the bolt 55 to rotate, the bolt 55 is only contacted with one side of the connecting cylinder 58, so that the milling cutter handle can be installed in the connecting cylinder 58, when the milling cutter handle is installed in the connecting cylinder 58, the motor 56 drives the bolt 55 to rotate in the direction opposite to the original direction, the bolt 55 and the upper end of the handle are mutually extruded, and the milling cutter is fixedly connected with the connecting cylinder 58 through the pressure of the bolt 55 and the gravity of the handle.

A control system of the machining center adopts a GSK988TD ten-axis double-channel controller, the performance is stable, the precision is high, the failure rate is low, the turning and milling composite function can be realized, and the straight line five linkage and the curved surface three linkage can be realized; the wireless router has a plurality of practical functions such as tracing, hand wheel simulation (with a reversing function), automatic cutter loss compensation, automatic program storage and the like, can realize wireless transmission of data, can realize remote operation by the router, and provides a basic guarantee for realizing unmanned operation.

The composite machining center can realize machining processes of rough turning, finish turning, grinding, drilling, groove milling and the like of a brake disc and a brake drum through one-time clamping, and avoids errors caused by repeated clamping of workpieces; and the compatibility is good, the large brake disc, the small brake disc and the brake drum can directly produce finished products from casting blanks to finished products without blank processing, and the design of high-speed processing, large torque and high rigidity greatly prolongs the service life of the machine tool.

The workpiece fixing device can be fixed or rotated, the workpiece processing efficiency is improved, the equipment floor area is reduced, the milling cutter clamping device has a self-protection function, when the cutter head is stressed too much, the fastening bolt can be broken, and the cutter head can retract into the clamping device under the action of pressure, so that the milling cutter is protected, and the milling cutter is prevented from being damaged. The design of professional tools, tool holders and the design of a matched processing technology enable a user to get rid of the dependence on a front-line operator, logistics and technicians to a great extent.

Claims

1. The utility model provides a special vertical turnning and milling brill grinds combined machining center of brake disc, brake drum production which characterized in that: the automatic milling machine comprises a workbench (1), a workpiece fixing device (2), a drill bit clamping device (3), a milling cutter changing device (4), a milling cutter clamping device (5) and a turning tool clamping device (6), wherein the workpiece fixing device (2) is arranged in the middle of the workbench (1), the drill bit clamping device (3), the milling cutter clamping device (5) and the turning tool clamping device (6) are respectively arranged on the edge part of the workbench (1), and the milling cutter changing device (4) and the milling cutter clamping device (5) are connected;

milling cutter clamping device (5) includes first connecting plate (51), connecting block (52), first connecting strip (53), second connecting strip (54), bolt (55), motor (56), second connecting plate (57), connecting cylinder (58), be equipped with connecting block (52) on first connecting plate (51), the one end and the connecting block (52) of first connecting strip (53) rotate to be connected, the other end of first connecting strip (53) rotates with the one end of second connecting strip (54) to be connected, the other end of second connecting strip (54) rotates with the upper end of connecting cylinder (58) to be connected, connecting cylinder (58) lower extreme slides and sets up first connecting plate (51) mid portion, motor (56) slide and set up on second connecting plate (57), bolt (55) pass connecting cylinder (58) and are connected with motor (56).

2. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 1, wherein: the drill bit clamping device (3), the milling cutter clamping device (5) and the turning tool clamping device (6) respectively comprise a first moving device (7), a connecting frame (8) and a second moving device (9), and the first moving device (7) is connected with the second moving device (9) through the connecting frame (8).

3. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 2, wherein: connecting frame (8) are the I shape, connecting frame (8) are including fixed plate (81), diaphragm (82), riser (83), the fixed diaphragm (82) that is provided with in both ends of riser (83), be equipped with fixed plate (81) on riser (83), fixed plate (81), diaphragm (82) parallel arrangement each other, fixed plate (81), diaphragm (82) set up with riser (83) mutually perpendicular respectively.

4. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 3, wherein: first telecontrol equipment (7) set up inside link (8), first telecontrol equipment (7) include horizontal cylinder (71), vertical cylinder (72), fastener (73), follow driving wheel (74), action wheel (75), rotation axis (76), extension axle (77), horizontal cylinder (71) are connected with action wheel (75), action wheel (75) are connected through the belt transmission with follow driving wheel (74), horizontal cylinder (71) are fixed and are set up one side of riser (83), vertical cylinder (72) set up the opposite side at riser (83), vertical cylinder (72) set up on fixed plate (81), vertical cylinder (72) are connected with extension axle (77), extension axle (77) pass through fastener (73) fixed the setting on riser (83), extension axle (77) pass from driving wheel (74), The transverse plate (82) is fixedly connected with the rotating shaft (76).

5. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 4, wherein: the elongate shaft (77) is fixedly disposed in a central portion of the driven wheel (74).

6. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 1, wherein: workpiece fixing device (2) is including fixed cylinder (21), unable adjustment base (23), press from both sides tight platform (24), press from both sides tight piece (25), revolving stage (26), fixed cylinder (21) are fixed to be set up in unable adjustment base (23) below, fixed cylinder (21) are connected with cylinder extension axle, the fixed lower extreme that sets up revolving stage (26) of cylinder extension axle, the fixed tight platform (24) that presss from both sides that is provided with in upper end of revolving stage (26), it presss from both sides tight piece (25) to be equipped with a plurality of on pressing from both sides tight platform (24), press from both sides tight piece (25) and press from both sides tight platform (24) sliding connection.

7. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 6, wherein: be equipped with constant head tank (22) on unable adjustment base (23), the below of revolving stage (26) is equipped with locating piece (27), constant head tank (22) and locating piece (27) are mutually supported.

8. The special vertical turning, milling, drilling and grinding combined machining center for production of the brake disc and the brake drum as claimed in claim 4, wherein: the second movement device (9) comprises a rotary cylinder (91), a second connecting frame (92) and a lead screw (93), the rotary cylinder (91) is arranged at one end of the second connecting frame (92), the second connecting frame (92) is fixedly connected with the rotating shaft (76), and the rotary cylinder (91) penetrates through the second connecting frame (92) to be connected with the lead screw (93).