CN110560521A - automatic bending machine - Google Patents
automatic bending machine Download PDFInfo
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- CN110560521A CN110560521A CN201910889593.4A CN201910889593A CN110560521A CN 110560521 A CN110560521 A CN 110560521A CN 201910889593 A CN201910889593 A CN 201910889593A CN 110560521 A CN110560521 A CN 110560521A
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- 238000005452 bending Methods 0.000 title claims abstract description 142
- 238000003825 pressing Methods 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000001788 irregular Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241001023442 Populus suaveolens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to the technical field of sheet metal production equipment, and particularly relates to an automatic bending machine, wherein an operation table top (2), a positioning module, a table top conveying unit and a bending main machine are arranged on a base (1), the table top conveying unit comprises a portal frame (41) and a clamping rotating mechanism, the clamping rotating mechanism is provided with an upper clamp body (46) and a lower clamp body (47), the bending main machine is provided with a fixing device, a pressing device and a bending device, and the bending device comprises a C-shaped tool apron (6), a C-shaped tool apron (60), a C-shaped tool apron lifting motor (61), a sliding table (63) and a sliding table translation motor (62). The automatic bending machine adopts the full-servo motor, so that green manufacturing is realized; the system is controlled by a program, the operation is simple, and the bending angle and the bending height in the range can be changed at will; the bending device solves the problems of the existing plate bending process, improves the efficiency, reduces the cost, reduces the manpower, realizes the automation of the production process, and has stable processing, good consistency, energy conservation and emission reduction.
Description
Technical Field
The invention belongs to the technical field of sheet metal production equipment, and particularly relates to an automatic bending machine.
Background
the bending machine belongs to machining production equipment capable of bending edges of metal plates, and bends workpieces by adopting bending cutter bodies with different angles at different stations.
the technical scheme is that a flanging machine with multiple flanging angles is disclosed by automobile refitting factories (CN 2016204997837) in Jiangsu city, and the key points of the technical scheme are that a flanging square column is rotated through a rotating rod on the flanging square column, so that a V-shaped groove required to be used on the flanging square column is arranged on the upper end surface of the flanging square column, a steel plate is flanged through a blade and the V-shaped groove, and the V-shaped grooves with different angles on each surface of the flanging square column provide different flanging angles for the steel plate;
guangxi Tianyang to Henmen industries, Inc. (CN 201610357540.4) discloses a bending machine, which comprises a frame, a material pressing head, a workbench arranged on the frame and a turnover mechanism arranged adjacent to the workbench. The workbench is provided with a first molding surface. The material pressing head is movably connected to the frame and is provided with a second molding surface. The turnover mechanism comprises a fixed plate, a movable plate and a sliding driving assembly, the fixed plate is rotatably arranged on the workbench or the rack, the movable plate comprises a forming part and a connecting part formed by bending one side of the forming part, the connecting part is slidably arranged on the fixed plate, and an included angle between the moving path of the connecting part and the plane of the forming part is an obtuse angle. The sliding driving assembly is arranged on the fixed plate and connected with the connecting part so as to drive the movable plate to reciprocate between a position close to the workbench and a position far away from the workbench along the moving path, and further the forming part can be alternatively matched with the first forming surface and the second forming surface so as to bend the workpiece;
the flanging equipment disclosed by the invention has the problem that the multi-end or multi-angle bending of the workpiece cannot be carried out at the same time, and the workpiece is conveyed to another flanging machine or bending machine to bend another angle or another edge after one angle or one edge is bent in one flanging machine or bending machine, so that the processing cost is increased;
A multifunctional irregular plate forming numerical control bending machine is disclosed by Anhui province's three-force machine tool manufacturing limited company (CN 201010289199.6), and comprises a sliding block, a die shank, an upper die holder, an upper blade, a lower die holder, a workbench, a guide pillar, a presser foot, a spring, a guide sleeve and the like, and is characterized in that the irregular upper die moves up and down along with the sliding block, the irregular lower die is fixed on the lower die holder, the lower die holder is fixed on the workbench and keeps still, the shape of a workpiece to be formed is processed according to the opening and closing of the upper die and the lower die, the required die can be replaced during processing aiming at irregular plates with different shapes, the presser foot and the spring are arranged on the upper die holder, the function of pressing the workpiece is realized, the movement of the workpiece during;
chuzhou scientific and creative die manufacturing limited company (CN 201020592236.6) discloses a refrigerator door shell end bending die, wherein an upper template of the die is provided with a middle bending module, and the middle bending module is positioned in front of a middle pressure plate and is tangent to the front end edge of the middle pressure plate; the two sides of the upper template are provided with hanging wedge mechanisms which comprise upper sliding inclined blocks and two side bending sliding blocks connected through elastic connecting mechanisms fixed on the upper sliding inclined blocks, the lower bending die of the die comprises sliding blocks with two sides moving horizontally and a middle sliding block moving vertically, and the sliding blocks with two sides moving horizontally comprise two lower die splicing blocks and sliding blocks with two sides of the lower die fixedly connected with the lower die splicing blocks. The utility model discloses a refrigerator door shell end bending die which can not cut a process notch to the bending root on a thin plate composed of a plurality of arc surfaces, planes and the like, and the end is bent and formed at one time;
the huangjie (CN 2017101533721) discloses a flexible bending machine, which comprises a bending machine base, a lower die, an upper die and a side die, wherein the surface of the bending machine base is provided with a propelling rail, and the lower die comprises a lower die base and a lower die strip; the upper die comprises an upper die supporting plate, an upper die supporting rod, an upper die motor, an upper die base and an upper die strip; the side die comprises a pushing base, a pushing motor, a translation base, a translation motor, a side die lifting motor and a side die strip; the bending and leveling of the plate at multiple angles and multiple fillets are realized by the up-down and left-right movement of 3 groups of different die strips; when bending the big fillet, can go on many times, avoid surface damage, and need not change the mould.
in the disclosed technology, the bending tool or the die needs to be replaced according to the processing requirement, or the appropriate die strip needs to be changed according to the processing requirement.
disclosure of Invention
the invention aims to provide an automatic bending machine based on the prior art, which can realize multi-angle bending of a workpiece without replacing a die or a die strip and has high production efficiency.
The invention provides the following technical scheme:
an automatic bending machine is provided with a base, wherein an operation table top, a positioning module, a table top conveying unit and a bending host are arranged on the base;
the operation table top is provided with a positioning area and a material clamping rotating area from front to back;
The positioning module is arranged in the positioning area and comprises a stopping motor and a stopper, the module seat is fixed on the base, the module seat is provided with bilaterally symmetrical stopping tracks, the outer end of each stopping track is connected with the stopping motor, the stopping tracks are provided with stopping slide blocks, and the stoppers are symmetrically arranged on the stopping slide blocks;
The table-board conveying unit is arranged in the material clamping rotating area and comprises a portal frame and a material clamping rotating mechanism; slide carriages are arranged at the left and right ends of the bottom of a cross beam of the portal frame, the bottoms of the slide carriages are correspondingly arranged on gantry guide rails at the left and right ends of the base through slide blocks, a gantry lead screw nut is arranged at the center of the bottom of the cross beam of the portal frame, and a gantry lead screw and a matched lead screw motor are correspondingly arranged on the gantry lead screw nut;
The material clamping and rotating mechanism comprises an upper motor, a telescopic rod, an upper clamp body, a lower clamp body, a connecting rod and a rotating motor from top to bottom, wherein the upper clamp body is fixed at the bottom of the telescopic rod, the telescopic rod is arranged on the upper motor, and the upper motor is arranged in a groove at the rear end of a portal frame shield at the center of a portal frame top beam; the lower clamp body is fixed at the top end of a connecting rod, the connecting rod is arranged on a rotating motor, the connecting rod penetrates through a connecting rod seat on a portal frame beam, and the rotating motor is fixed at the bottom of the portal frame beam through a rotating motor seat at the bottom of the rotating motor and a connecting plate;
The bending host comprises a wall plate (shield), a fixing device, a pressing device and a bending device;
The fixing device comprises a fixed cutter holder and a fixed cutter, the fixed cutter holder is vertically arranged on the base and is positioned at the rear end of the material clamping rotating area of the operating table board, and the fixed cutter is horizontally fixed at the top of the fixed cutter holder;
The pressing device comprises a pressing plate, a pressing knife at the lower part and a pressing plate lifting motor, the pressing knife is tightly pressed and fixed at the bottom of the pressing plate through a pressing block, and the pressing knife corresponds to the fixed knife up and down; a vertical mounting plate is arranged on the front plate of the wallboard, a pressing plate sliding rail is arranged at the front end of the mounting plate, and a pressing plate is correspondingly mounted on the pressing plate sliding rail through a pressing plate sliding block at the rear end of the pressing plate sliding rail; the pressing plate lifting motor is fixed on the front plate of the wall plate through a motor base, a lead screw of the pressing plate lifting motor penetrates through a motor nut base at the rear end of the pressing plate, the bottom of the lead screw is fixed on the lead screw base through a nut, and the rear end of the lead screw base is fixed on the front plate of the wall plate;
the bending device comprises a C-shaped cutter holder, a C-shaped cutter (a C-shaped opening cutter), a C-shaped cutter holder lifting motor, a sliding table and a sliding table translation motor, wherein the C-shaped cutter is arranged on the C-shaped cutter holder. The sliding table is provided with a sliding table front plate, a sliding table bottom plate and a sliding table mounting plate, the sliding table mounting plate is vertically fixed at the front end of the sliding table front plate, and a mounting plate sliding rail is arranged at the front end of the sliding table mounting plate; the C-shaped tool apron lifting motor is arranged in parallel with the mounting plate slide rail; the C-shaped tool apron lifting motor is fixed on the front plate of the sliding table through the motor base, a lead screw of the C-shaped tool apron lifting motor penetrates through a lifting nut base at the rear end of the C-shaped tool apron, the bottom of the lead screw is fixed on the lead screw base through a nut, the rear end of the lead screw base is fixed on the front plate of the sliding table, and the C-shaped tool apron is installed on a slide rail of the installation plate through a tool apron slide block at the rear end of the C-shaped tool apron;
A horizontal guide rail is arranged on the base at the rear end of the fixed tool apron, and a sliding table bottom plate is correspondingly arranged on the horizontal guide rail through a sliding block; 2-3 horizontal guide rails are arranged and are respectively and uniformly distributed on the left and right of the base; the sliding table translation motor is arranged in parallel with the horizontal guide rail, the sliding table translation motor is fixed on the base through the motor base, the front end of a translation lead screw of the sliding table translation motor is fixed on the translation lead screw base through a translation nut, and the upper end of the translation lead screw base is fixed on the sliding table bottom plate.
The automatic bending machine described above, as known, is provided with a control system; the motors comprise the stopping motor, the lead screw motor, the pressing plate lifting motor, the C-shaped cutter seat lifting motor and the sliding table translation motor, servo motors are adopted and electrically connected with a control system, all working units of the bending machine are automatically controlled through the control system, the cooperative work of all workpiece units of the bending machine is realized, and the technical personnel can realize the connection relation and the system configuration of the control system and all the motors.
in the automatic bending machine, preferably, the upper clamp body and the lower clamp body are both tiger-mouth-shaped clamp bodies.
In the automatic bending machine, preferably, the number of the pressing plate lifting motor, the number of the C-shaped tool apron lifting motor and the number of the sliding table translation motors are more than 2; the pressing plate lifting motors are uniformly distributed on the pressing plate in the left and right directions respectively, the C-shaped tool apron lifting motors are uniformly distributed on the left and right sides of the rear end of the C-shaped tool apron respectively, and the sliding table translation motors are uniformly distributed on the sliding table bottom plate in the left and right directions respectively.
in the automatic bending machine, preferably, the number of the vertical mounting plates and the number of the sliding table mounting plates are respectively set to be 2-3, the vertical mounting plates are uniformly distributed on the front plate of the wallboard from left to right, and the sliding table mounting plates are uniformly distributed on the front plate of the sliding table from left to right.
above-mentioned automatic bending machine, preferably, automatic bending machine still is provided with the response lamp, the response lamp sets up on the wallboard front bezel of bending the host computer.
in the automatic bending machine, the C-shaped knife preferably has an upper knife and a lower knife which are respectively mounted at the upper end and the lower end of the C-shaped knife holder.
the automatic bending machine disclosed by the invention is used for bending the metal plate, and at least has the following beneficial effects:
1. the invention adopts the full servo motor, thus realizing green manufacture;
according to the invention, the operations of stopping, left-right moving and positioning, driving a workpiece to move and rotate a table top to convey, driving a fixed knife to press up and down, moving a C-shaped knife up and down to bend the workpiece and the like are realized through all motors of the automatic bending machine, all the motors are electrically connected with a control system by adopting a servo motor, so that the operation of the workpiece on the automatic bending machine forms a full-automatic control intelligent plate bending process of positioning, table top conveying, pressing, bending, loosening and multiple bending, and green manufacturing is realized;
2. The bending machine is controlled by a system program, is simple to operate, and can randomly change the bending angle and the bending height within a range;
The rotating motor can rotate at any angle, so that the workpiece can rotate at any angle according to the bending direction or angle in the moving process, the bending angle of the workpiece can be changed at will in a design range when the table top is conveyed to the bending device, the workpiece does not need to be conveyed to another bending machine or a bending cutter body or a bending die strip is not needed to be replaced, when the bending angle is changed, the operation can be realized only by changing the rotating angle of the rotating motor through the control system, and the operation is simple; in addition, during the bending operation, the bending position and the bending height of the workpiece can be adjusted only by changing the material clamping rotating mechanism to drive the workpiece to adjust the position of the workpiece entering the bending device when the workpiece is conveyed on the table top, and the bending machine is convenient to use;
3. The invention solves the problems of the existing plate bending process, improves the efficiency, reduces the cost and the manpower, realizes the automation of the production process, and has stable processing, good consistency, energy conservation and emission reduction;
compared with the existing plate bending process, the automatic bending machine has the advantages that the positioning module, the clamping and rotating mechanism and the edge folding device of the automatic bending machine can be automatically controlled, so that the production efficiency is improved, the cost is reduced, the labor is reduced, and the automation of the production process is realized; because the workpiece can be accurately positioned left and right on the automatic bending machine through the positioning module, the clamping rotating mechanism can be used for accurately conveying the table board according to the processing requirement, and the bending device can be used for accurately bending, so that the workpieces are uniform in processing size, stable in processing and good in consistency, the defective rate of the products is greatly reduced, and energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic view of the overall structure of an automatic bending machine according to a first embodiment of the present invention;
FIG. 2 is a top view of the automatic bending machine of FIG. 1;
3 FIG. 33 3 is 3 a 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 32 3; 3
FIG. 4 is a partially enlarged view of the arrangement of the clamping and rotating mechanism of the automatic bending machine in FIG. 3 on a gantry;
figure 5 is an enlarged view of a portion of the orientation of the automatic bender positioning module of figure 1 disposed on a base.
the numbering in the figures illustrates:
1. A base; 2. an operation table top; 3. a positioning area; 31 a module seat; a 32 stop motor; 33. stopping; 34. a stop rail; 35 stopping the sliding block; 4. a material clamping rotation area; 41. a gantry; 42. a slide carriage; 43. a gantry guide rail; 44. a gantry lead screw nut; 45. a gantry screw; 46. an upper clamp body; 461. an upper motor; 462. a telescopic rod; 47. a lower clamp body; 471. a connecting rod; 472. a rotating electric machine; 473. a rotating motor base; 48. a gantry shield; 49. a connecting rod seat; 5. a wallboard; 51. a vertical mounting plate; 52. a platen slide rail; 7 fixing the tool apron; 71 fixing the knife; 8, pressing a plate; 81 pressing knife; 84 a platen lift motor; 82, briquetting; 83 pressing plate slide blocks; 85 motor nut seats; 6. a C-shaped tool apron; 60. a C-shaped cutter; 61. a C-shaped tool rest lifting motor; 611. a lead screw; 612. a lifting nut seat; 613. a nut; 614. a lead screw seat; 62. a sliding table translation motor; 621. translating the lead screw; 622. translating the nut; 623. a translation screw base; 63. a sliding table; 631. a slipway front plate; 632. a slipway bottom plate; 633. a sliding table mounting plate; 64. a horizontal guide rail.
Detailed Description
the technical solutions of the present invention are described in detail below with reference to the accompanying drawings and embodiments, and the scope of the present invention includes but is not limited thereto. The apparatus structure not mentioned in detail in the present invention can adopt the conventional technology in the field.
The first implementation mode comprises the following steps:
as shown in fig. 1-3, the automatic bending machine of the present invention is provided with a base 1 and a control system, wherein the base 1 is provided with an operation table 2, a positioning module, a table conveying unit and a bending host;
the operation table top 2 is provided with a positioning area 3 and a material clamping rotation area 4 from front to back; during specific implementation, the operating table top 2 preferably adopts a plane of a brush plate, the working surface of the plane of the brush plate is flat and smooth, and the friction, the collision and the scratch of a workpiece can be avoided in the contact process with the bent workpiece, so that the workpiece is prevented from being scratched in the conveying and bending processes;
the positioning module is arranged in the positioning area 3, the positioning module comprises a stop motor 32 and a stop 33, the module base 31 is fixed on the base 1, the module base 31 is provided with stop rails 34 which are bilaterally symmetrical, the outer end of each stop rail 34 is connected with a stop motor 32, namely, each stop motor 32 is connected to drive one stop rail 34, the stop rail 34 is provided with a stop slider 35, and the stop 33 is arranged on the stop slider 35;
In specific implementation, the stopping motor 32 can drive the stopping slide block 35 on the stopping track 34 to move left and right, and the stopper 33 correspondingly moves left and right; in specific implementation, the positioning module is manufactured as an integral structure and is integrally installed on the base 1, when the positioning module is installed, as shown in fig. 1-2, the positioning area 3 has an opening matched with the stop rail 34, the stop 33 penetrates out of the operation table top 2, the rest parts are all located below the operation table top 2, and the left and right stops 33 can be driven by the stop motor 32 to move left and right in a centering manner so as to adapt to width changes of different bending workpieces; when the positioning device works, the left and right stoppers 33 simultaneously move left and right in a centering manner, so that workpieces entering the positioning area 3 are limited in a determined position by the left and right stoppers, and positioning is realized;
the table board conveying unit is arranged in the material clamping rotating area 4 and comprises a portal frame 41 and a material clamping rotating mechanism; in specific implementation, a cross beam, a left upright post, a right upright post and a top beam of the portal frame are integrally cast by adopting castings; slide carriages 42 are arranged at the left and right ends of the bottom of a cross beam of the portal frame 41, the bottoms of the slide carriages 42 are correspondingly arranged on gantry guide rails 43 at the left and right ends of the base 1 through slide blocks, a gantry lead screw nut 44 is arranged at the center of the bottom of the cross beam of the portal frame 41, and a gantry lead screw 45 and a matched lead screw motor are correspondingly arranged on the gantry lead screw nut 44; in specific implementation, the cross beam of the portal frame 41 is positioned below the operation table top 2, and in a working state, the lead screw motor drives the portal lead screw 45 to move back and forth so as to drive the slide carriage 42 to move, and the portal frame 41 fixed on the slide carriage 42 simultaneously slides back and forth along the portal guide rail 43 along with the slide carriage 42;
as shown in fig. 4, the material clamping and rotating mechanism comprises, from top to bottom, an upper motor 461, a telescopic rod 462, an upper pincer body 46, a lower pincer body 47, a connecting rod 471 and a rotating motor 472, the upper pincer body 46 is fixed at the bottom of the telescopic rod 462, the telescopic rod 462 is mounted on the upper motor 461, the upper motor 461 is mounted in a groove at the rear end of a portal frame shield 48 at the center of a top beam of the portal frame 41, and the telescopic rod 462 can drive the upper pincer body 46 to move up and down under the action of the upper; the lower pincer body 47 is fixed at the top end of a connecting rod 471, the connecting rod 471 is mounted on a rotating motor 472, the connecting rod 471 is arranged in a connecting rod seat 49 on a beam of the portal frame 41 in a penetrating way, the rotating motor 472 is fixed at the bottom of the beam of the portal frame 41 through a rotating motor seat 473 at the bottom of the rotating motor 472 and a connecting plate (not shown in the figure), and the connecting rod 471 can drive the lower pincer body 47 to rotate under the action of the rotating motor 472; in this embodiment, in a specific implementation, the rotating motor 472 is a DD motor, the upper motor 461 is a 400W servo motor, the upper caliper body 46 corresponds to the lower caliper body 47 up and down, the workpiece can move back and forth along with the gantry 41 under the clamping of the upper caliper body 46 and the lower caliper body 47, and the rotating motor 472 can rotate at any angle, so that the workpiece can rotate at any angle according to a bending direction or angle in the moving process; during specific implementation, the workpiece angle can be adjusted by adjusting the rotating motor to change the rotating angle of the clamping workpiece according to the requirement of the workpiece edge folding angle to be processed, so that the edge folding angle required by the workpiece can be obtained; in the present embodiment, the upper caliper body 46 and the lower caliper body 47 both adopt tiger-mouth-shaped caliper bodies;
the bending host comprises a wall plate 5 (shield), a fixing device, a pressing device and a bending device;
the fixing device comprises a fixed cutter holder 7 and a fixed cutter 71, the fixed cutter holder 71 is vertically arranged on the base 1 and is positioned at the rear end of the material clamping rotating area 4 of the operation table top 2, the fixed cutter 71 is horizontally fixed at the top of the fixed cutter holder 71, in the specific implementation, the fixed cutter 71 can adopt a plate shearing machine blade, the blade is provided with a mounting hole, the height and the width of the blade can be adaptively selected according to the size of a processed workpiece, the blade can be directly mounted after being purchased in the market, the upper plane of the blade is horizontal during mounting, and the blade edge faces backwards;
The pressing device comprises a pressing plate 8, a pressing knife 81 at the lower part and a pressing plate lifting motor 84, the pressing knife 81 is pressed and fixed at the bottom of the pressing plate 8 through a pressing block 82, and the pressing knife 81 corresponds to the fixed knife 71 up and down; in specific implementation, in the installation state, the lower surface of the pressing knife 81 is horizontal; during specific implementation, the number of pressing blocks is adaptively adjusted according to the width of the pressing knife so as to meet the bending production requirements of workpieces with different widths; a vertical mounting plate 51 is arranged on the front plate of the wall plate 5, a pressing plate slide rail 52 is arranged at the front end of the mounting plate 51, and a pressing plate 8 is correspondingly arranged on the pressing plate slide rail 52 through a pressing plate slide block 83 at the rear end of the pressing plate; in specific implementation, 2-3 vertical mounting plates 51 are arranged and are uniformly distributed on the left and right of the front plate of the wall plate 5; the pressing plate lifting motor 84 is fixed on the front plate of the wall plate 5 through a motor base, a lead screw of the pressing plate lifting motor 84 penetrates through a motor nut base 85 at the rear end of the pressing plate 8, the bottom of the lead screw is fixed on the lead screw base through a nut, and the rear end of the lead screw base is fixed on the front plate of the wall plate 5. In specific implementation, at least two pressing plate lifting motors 84 are arranged and are symmetrically arranged at the left end and the right end of the pressing plate 8 respectively, the pressing plate lifting motors 84 are provided with motors, speed reducers and motor bases from top to bottom, the bottom of each motor base is provided with a lead screw, and when the pressing plate lifting motors 84 work, the lead screws stretch and drive the pressing plate 8 to slide up and down along the pressing plate slide rails 52 on the wall plate 5; in specific implementation, when the pressing plate 8 is driven by the pressing plate lifting motor 84 to move downwards, the workpiece to be bent can be tightly pressed between the pressing knife 81 and the fixed knife 71;
the bending device comprises a C-shaped tool apron 6, a C-shaped tool 60 (C-port tool), a C-shaped tool apron lifting motor 61, a sliding table 63 and a sliding table translation motor 62, wherein the C-shaped tool 60 is arranged on the C-shaped tool apron 6;
The C-shaped cutter is provided with an upper cutter and a lower cutter at the same time, and the upper cutter and the lower cutter are respectively arranged at the upper end and the lower end of the C-shaped cutter holder; when the bending machine is used specifically, the C-shaped cutter can complete the bending action in a numerical control difference compensation mode, namely, a control program of a control system is used for controlling the C-shaped cutter to realize the bending difference compensation action; the C-shaped cutter is matched with the upper clamp body 46 to realize the set bending angle; the lower knife is adopted to bend upwards to realize forward bending, the upper knife is adopted to bend downwards to realize reverse bending, and the bending efficiency is high; the bending difference compensation and the bending angle are controlled by a program, so that the accuracy of the bending angle is ensured;
The sliding table 63 is provided with a sliding table front plate 631, a sliding table bottom plate 632 and a sliding table mounting plate 633, the sliding table mounting plate 633 is vertically fixed at the front end of the sliding table front plate 631, and the front end of the sliding table mounting plate 633 is provided with a mounting plate slide rail; in specific implementation, the number of the sliding table mounting plates 633 is 2-3, and the sliding table mounting plates 631 are uniformly distributed on the left and right sides; the C-shaped tool apron lifting motor 61 is arranged parallel to the mounting plate slide rail; the C-shaped tool apron lifting motor 61 is fixed on the sliding table front plate 631 through a motor base, a lead screw 611 of the C-shaped tool apron lifting motor 61 penetrates through a lifting nut base 612 at the rear end of the C-shaped tool apron 6, the bottom of the lead screw 611 is fixed on the lead screw base 614 through a nut 613, the rear end of the lead screw base 614 is fixed on the sliding table front plate 631, and the C-shaped tool apron 6 is mounted on a mounting plate slide rail through a tool apron slide block at the rear end of the C-shaped tool apron lifting motor; during specific implementation, the C-shaped tool apron lifting motor 61 works, and the lead screw 611 stretches and retracts to drive the C-shaped tool apron 6 to slide up and down along the mounting plate slide rail. In specific implementation, at least two C-shaped tool apron lifting motors 61 are arranged and are respectively symmetrically arranged at the left end and the right end of the C-shaped tool apron 6;
A horizontal guide rail 64 is arranged on the base 1 at the rear end of the fixed tool apron 7, and a sliding table bottom plate 632 is correspondingly arranged on the horizontal guide rail 64 through a sliding block; the parallel horizontal guide rail 64 of slip table translation motor 62 sets up, slip table translation motor 62 is fixed in on the slip base 1 through the motor cabinet, and the translation lead screw 621 front end of slip table translation motor 62 passes through translation nut 622 to be fixed on translation lead screw seat 623, and translation lead screw seat 623 upper end is fixed in on the slip table bottom plate 632, and during the concrete implementation, slip table translation motor 62 work, translation lead screw 621 stretches out and draws back and drives slip table 63 and slide around along horizontal guide rail 64 to it slides around driving C type saddle 6. In specific implementation, at least 2 horizontal guide rails 64 are arranged and are respectively arranged on the base 1 in a bilateral symmetry and parallel manner;
in this embodiment, the pressing plate lifting motor, the C-shaped tool holder lifting motor and the sliding table translation motor all adopt 7.5 kw servo motors;
in specific implementation, as shown in fig. 1-3, the sliding table 63, the sliding table translation motor 62 and the C-shaped tool apron 6 are all arranged in the wall plate 5, and a ventilation skylight is arranged on a top plate of the wall plate 5, so that the working noise of the main machine is reduced while all parts of the bending main machine are protected from dust and ventilation and the service life is prolonged;
in specific implementation, the automatic bending machine can be provided with a bending machine truss and a manipulator (such as a vacuum chuck mechanism) in a matched manner, the manipulator is supported by the truss, the manipulator moves up and down and left and right by arranging a corresponding sliding plate, sliding chute or sliding block, a workpiece to be bent is clamped by the manipulator and placed on an operation table top to realize feeding, after bending is finished, the manipulator clamps the workpiece again and leaves the operation table top to discharge, and the specific structures of the truss and the manipulator can adopt a metal plate machining center stacking truss (CN 201820856176.0) disclosed by the applicant.
In specific implementation, the combined edge pressing knife (CN 201921352488.9) with an end assembly developed by the applicant is preferably adopted as the edge pressing knife in the automatic bending machine, and the edge pressing knife can not only realize conventional bending, but also avoid the existing inner folded edge of the metal plate workpiece for bending, thereby improving the production range of the automatic bending machine.
The motors of the automatic bending machine, including but not limited to a stopping motor, a lead screw motor, a pressing plate lifting motor, a C-shaped tool rest lifting motor and a sliding table translation motor, are all servo motors, and are electrically connected with a control system to perform automatic control.
the automatic bending machine of the present embodiment operates under the control of the control system as follows:
1. Feeding and positioning:
When a workpiece to be bent enters a positioning area, stopping the motor to work, simultaneously stopping the left and right stops and moving the left and right centers, and longitudinally limiting the workpiece in a position determined by the positioning area;
2. conveying on a table top:
The lead screw motor drives the portal frame to move to the positioning area along the portal guide rail, the upper motor drives the upper clamp body to move downwards, and the upper clamp body is matched with the lower clamp body to clamp a workpiece; the lead screw motor drives the portal frame to move towards the material clamping rotating area, and in the moving process, the rotating motor drives the lower clamp body to rotate for a set angle, so that the workpiece is moved onto the fixed cutter at a set rotating angle;
3. And (3) compacting:
the pressing plate lifting motor is started to drive the screw rod to extend, so that the pressing plate drives the pressing knife to move downwards, and the workpiece is pressed between the pressing knife and the fixed knife;
4. bending:
The sliding table translation motor drives the C-shaped tool apron on the sliding table to slide back and forth along the horizontal guide rail, and meanwhile, the C-shaped tool apron translation motor is matched with the C-shaped tool apron to drive the C-shaped tool apron to slide up and down along the mounting plate slide rail so as to bend the workpiece;
specifically, when forward bending is performed, the sliding table translation motor is started to drive the C-shaped tool apron to slide forwards to enable a workpiece to be placed in a tool edge of the C-shaped tool, then the C-shaped tool apron lifting motor is started to drive the C-shaped tool apron to slide upwards to drive a lower tool of the C-shaped tool to bend the workpiece upwards, forward bending is completed, and the C-shaped tool apron is returned after bending is completed; when the workpiece is reversely bent, firstly starting the sliding table translation motor to drive the C-shaped tool apron to slide forwards so as to enable the workpiece to be placed in a tool edge of the C-shaped tool, then starting the C-shaped tool apron lifting motor to drive the C-shaped tool apron to slide downwards so as to drive the C-shaped tool upper tool to bend the workpiece downwards, completing reverse bending, and returning the C-shaped tool apron after bending;
5. loosening:
the pressing plate lifting motor is started to drive the screw rod to contract, so that the pressing plate drives the pressing knife to move upwards, and the workpiece is loosened;
6. Bending for many times:
when the workpiece needs to be bent at other angles or heights, the actions of the steps 2-5 can be repeated, the rotating angle is set during conveying on the table top in the step 2, and the bending position and angle are set during bending in the step 4, so that multiple times of bending can be realized.
during concrete implementation, above-mentioned automatic bending machine can also set up the response lamp, and the response lamp is preferred to be set up on the wallboard front bezel of the host computer of bending, and during concrete implementation, the response lamp adopts both ends head fixed and circular telegram, and in case operating personnel gets into the response region, the host computer of bending stops work promptly, avoids appearing personnel's damage.
Practice shows that the automatic bending machine can quickly realize multi-angle bending of the same workpiece without replacing a bending cutter body, and the working efficiency is improved.
according to the invention, the front and back are defined according to the movement direction of the workpiece when the automatic bending machine works, and the workpiece moves from front to back; the left side and the right side are defined according to the forward and backward movement direction of the workpiece, and the left side of the forward movement direction of the workpiece is left, so that the relative position relation of all the parts can be understood by a person skilled in the art, and the parts are assembled according to the invention;
various parts of the automatic bending machine are fixed, preferably fixed in a bolt or screw mode, and convenient for replacement, disassembly and assembly and transportation of equipment parts.
Claims (6)
1. the utility model provides an automatic bender, is equipped with base (1), is equipped with operation mesa (2), location module, mesa conveying unit and the host computer of bending on base (1), its characterized in that:
The operation table top (2) is provided with a positioning area (3) and a material clamping rotating area (4) from front to back;
the positioning module is arranged in the positioning area (3), the positioning module comprises a stop motor (32) and stops (33), a module seat (31) is fixed on the base (1), the module seat (31) is provided with stop rails (34) which are bilaterally symmetrical, the outer end of each stop rail (34) is connected with one stop motor (32), the stop rails (34) are provided with stop sliders (35), and the stops (33) are symmetrically arranged on the stop sliders (35);
the table board conveying unit is arranged in the material clamping rotating area (4) and comprises a portal frame (41) and a material clamping rotating mechanism; slide carriages (42) are arranged at the left end and the right end of the bottom of a cross beam of the portal frame (41), the bottoms of the slide carriages (42) are correspondingly arranged on portal guide rails (43) at the left end and the right end of the base (1) through slide blocks, a portal screw nut (44) is arranged at the center of the bottom of the cross beam of the portal frame (41), and a portal screw (45) and a matched screw motor are correspondingly arranged on the portal screw nut (44);
the material clamping and rotating mechanism comprises an upper motor (461), a telescopic rod (462), an upper clamp body (46), a lower clamp body (47), a connecting rod (471) and a rotating motor (472) from top to bottom, the upper clamp body (46) is fixed at the bottom of the telescopic rod (462), the telescopic rod (462) is installed on the upper motor (461), and the upper motor (461) is installed in a groove at the rear end of a portal frame shield (48) in the center of a top beam of a portal frame (41); the lower clamp body (47) is fixed at the top end of a connecting rod (471), the connecting rod (471) is installed on a rotating motor (472), the connecting rod (471) penetrates through a connecting rod seat (49) on a cross beam of the portal frame (41), and the rotating motor (472) is fixed at the bottom of the cross beam of the portal frame (41) through a rotating motor seat (473) at the bottom of the rotating motor and a connecting plate;
The bending host comprises a wall plate (5), a fixing device, a pressing device and a bending device;
the fixing device comprises a fixed cutter holder (7) and a fixed cutter (71), the fixed cutter holder (71) is vertically arranged on the base (1) and is positioned at the rear end of the material clamping rotating area (4) of the operation table top (2), and the fixed cutter (71) is horizontally fixed at the top of the fixed cutter holder (71);
the pressing device comprises a pressing plate (8), a pressing knife (81) at the lower part and a pressing plate lifting motor (84), the pressing knife (81) is pressed and fixed at the bottom of the pressing plate (8) through a pressing block (82), and the pressing knife (81) corresponds to the fixed knife (71) up and down; a vertical mounting plate (51) is arranged on the front plate of the wall plate (5), a pressing plate sliding rail (52) is arranged at the front end of the mounting plate (51), and a pressing plate (8) is correspondingly mounted on the pressing plate sliding rail (52) through a pressing plate sliding block (83) at the rear end of the pressing plate sliding rail; the pressing plate lifting motor (84) is fixed on the front plate of the wall plate (5) through a motor base, a lead screw of the pressing plate lifting motor (84) is arranged in a motor nut base (85) at the rear end of the pressing plate (8) in a penetrating mode, the bottom of the lead screw is fixed on the lead screw base through a nut, and the rear end of the lead screw base is fixed on the front plate of the wall plate (5);
The bending device comprises a C-shaped tool apron (6), a C-shaped tool (60), a C-shaped tool apron lifting motor (61), a sliding table (63) and a sliding table translation motor (62), wherein the C-shaped tool (60) is installed on the C-shaped tool apron (6). The sliding table (63) is provided with a sliding table front plate (631), a sliding table bottom plate (632) and a sliding table mounting plate (633), the sliding table mounting plate (633) is vertically fixed at the front end of the sliding table front plate (631), and the front end of the sliding table mounting plate (633) is provided with a mounting plate sliding rail; the C-shaped cutter seat lifting motor (61) is arranged in parallel with the mounting plate slide rail; the C-shaped tool apron lifting motor (61) is fixed on the sliding table front plate (631) through the motor base, a lead screw (611) of the C-shaped tool apron lifting motor (61) penetrates through a lifting nut base (612) at the rear end of the C-shaped tool apron (6), the bottom of the lead screw (611) is fixed on the lead screw base (614) through a nut (613), the rear end of the lead screw base (614) is fixed on the sliding table front plate (631), and the C-shaped tool apron (6) is mounted on a mounting plate sliding rail through a tool apron sliding block at the rear end of the C-shaped tool apron lifting motor;
a horizontal guide rail (64) is arranged on the base (1) at the rear end of the fixed cutter holder (7), and a sliding table bottom plate (632) is correspondingly arranged on the horizontal guide rail (64) through a sliding block; 2-3 horizontal guide rails (64) are respectively and uniformly distributed on the left and right of the base (1); the sliding table translation motor (62) is arranged in parallel with the horizontal guide rail (64), the sliding table translation motor (62) is fixed on the base (1) through the motor base, the front end of a translation lead screw (621) of the sliding table translation motor (62) is fixed on a translation lead screw base (623) through a translation nut (622), and the upper end of the translation lead screw base (623) is fixed on a sliding table bottom plate (632).
2. automatic bending machine according to claim 1, characterized in that: the upper clamp body (46) and the lower clamp body (47) both adopt tiger-mouth-shaped clamp bodies.
3. Automatic bending machine according to claim 1, characterized in that: more than 2 pressure plate lifting motors (84), C-shaped tool rest lifting motors (61) and sliding table translation motors (62) are arranged; the pressing plate lifting motor (84) is respectively and evenly distributed on the pressing plate (8) in the left and right directions, the C-shaped tool apron lifting motor (61) is respectively and evenly distributed on the left and right sides of the rear end of the C-shaped tool apron (6), and the sliding table translation motor (62) is respectively and evenly distributed on the sliding table bottom plate (632) in the left and right directions.
4. automatic bending machine according to claim 1, characterized in that: vertical mounting panel (51) and slip table mounting panel (633) set up to 2-3 respectively, equipartition about vertical mounting panel (51) is on the front bezel of wallboard (5), equipartition about slip table mounting panel (633) is on slip table front bezel (631).
5. automatic bending machine according to claim 1, characterized in that: the automatic bending machine is further provided with an induction lamp, and the induction lamp is arranged on a front plate of a wall plate (5) of the bending main machine.
6. automatic bending machine according to claim 1, characterized in that: the C-shaped cutter (60) has both an upper cutter and a lower cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889593.4A CN110560521A (en) | 2019-09-20 | 2019-09-20 | automatic bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889593.4A CN110560521A (en) | 2019-09-20 | 2019-09-20 | automatic bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN110560521A true CN110560521A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910889593.4A Pending CN110560521A (en) | 2019-09-20 | 2019-09-20 | automatic bending machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111804771A (en) * | 2020-07-21 | 2020-10-23 | 亚铁智能装备技术(东莞)有限公司 | Bending method based on asymmetric workpiece of bending machine |
| CN112147669A (en) * | 2020-09-27 | 2020-12-29 | 四川科瑞达电子技术有限公司 | Neutron array detection mechanical platform and electromechanical control system |
| CN112238166A (en) * | 2020-10-21 | 2021-01-19 | 南京蓝昊智能科技有限公司 | Bending machine with adjustable upper pressing cutter |
| CN112401463A (en) * | 2020-09-29 | 2021-02-26 | 浙江谋皮环保科技有限公司 | Wire bending mechanism for scale breaking roller brush disc |
| CN112642892A (en) * | 2020-12-28 | 2021-04-13 | 柳州市荆大汽车制动管制造有限公司 | Automatic pipe bending equipment |
| CN112642895A (en) * | 2020-12-28 | 2021-04-13 | 柳州市荆大汽车制动管制造有限公司 | Automatic production line for bent pipes |
| CN114309189A (en) * | 2021-12-17 | 2022-04-12 | 德阳华智精密科技有限公司 | From taking draw-in groove to synthesize pole member location equipment of bending |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111804771A (en) * | 2020-07-21 | 2020-10-23 | 亚铁智能装备技术(东莞)有限公司 | Bending method based on asymmetric workpiece of bending machine |
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| CN112401463A (en) * | 2020-09-29 | 2021-02-26 | 浙江谋皮环保科技有限公司 | Wire bending mechanism for scale breaking roller brush disc |
| CN112238166A (en) * | 2020-10-21 | 2021-01-19 | 南京蓝昊智能科技有限公司 | Bending machine with adjustable upper pressing cutter |
| CN112238166B (en) * | 2020-10-21 | 2022-06-14 | 南京蓝昊智能科技有限公司 | Bending machine with adjustable upper pressing cutter |
| CN112642892A (en) * | 2020-12-28 | 2021-04-13 | 柳州市荆大汽车制动管制造有限公司 | Automatic pipe bending equipment |
| CN112642895A (en) * | 2020-12-28 | 2021-04-13 | 柳州市荆大汽车制动管制造有限公司 | Automatic production line for bent pipes |
| CN114309189A (en) * | 2021-12-17 | 2022-04-12 | 德阳华智精密科技有限公司 | From taking draw-in groove to synthesize pole member location equipment of bending |
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