CN209902030U

CN209902030U - Punching device of forming machine

Info

Publication number: CN209902030U
Application number: CN201920232426.8U
Authority: CN
Inventors: 王昌春
Original assignee: Nanjing Suchi Cold Bending Steel Co Ltd
Current assignee: Nanjing Suchi Cold Bending Steel Co Ltd
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-01-07
Anticipated expiration: 2029-02-22

Abstract

The utility model discloses a punching device of make-up machine, its technical scheme main points are: the punching device comprises a frame, the frame is connected with a punching device in a sliding manner along the length direction of the frame, a driving mechanism used for driving the punching device to slide along the length direction of the frame is arranged on the frame, the punching device comprises a workpiece frame connected to the frame in a sliding manner along the length direction of the frame, a first limiting mechanism used for limiting the horizontal displacement of a workpiece is arranged on the workpiece frame, a second limiting mechanism used for limiting the vertical displacement of the workpiece is arranged on the workpiece frame, and stable punching quality and meeting requirements can be guaranteed.

Description

Punching device of forming machine

Technical Field

The utility model relates to a punching device field, more specifically says that it relates to a punching device of make-up machine.

Background

Cold roll forming refers to a plastic working process for manufacturing a specific end face profile by continuously transversely bending metal plate strips such as coiled materials, strip materials and the like through a plurality of forming rollers which are arranged in sequence. The forming machine is a special machine for cold roll forming. In the production process of the forming machine, the cold roll forming process is usually implemented together with the punching process so as to reduce the processing time of the workpiece, perform one-step forming and improve the production efficiency.

The utility model discloses an adjustable punching device of automatic make-up machine combination formula has been introduced in utility model patent document with publication number CN206455046U, including the first cut-out press that is used for punching a hole, first cut-out press bottom is passed through the base and is connected with the frame of automatic make-up machine, the base can be along horizontal and longitudinal movement of base, lateral movement is including setting up the adjusting nut on the base, be equipped with adjusting screw on the adjusting nut, longitudinal movement is including setting up the fixed block in the frame, the fixed block includes two types, set up respectively in the fore-and-aft front both sides of base, vertically all be equipped with adjusting screw on the fixed block, adjusting screw's afterbody is located one side of base, adjusting screw's head continues to extend to the base.

In the structure, the first punching die for punching is not internally provided with a device for positioning and fixing the workpiece, when the workpiece is subjected to a punching process, the workpiece is inevitably deformed and vibrated due to stress, and if the positioning and fixing device is not arranged, the punching process position of the workpiece is unstable, so that punching deviation is extremely easy to cause, and the production quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model aims at providing a punching device of make-up machine can dash a plurality of holes simultaneously and punch a hole the position adjustable.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a punching device of make-up machine, includes the frame, it is connected with punching device to slide along frame length direction in the frame, be equipped with in the frame and be used for driving the actuating mechanism that punching device slided along frame length direction, punching device includes slides along frame length direction and connects the work rest in the frame, be provided with the first stop gear who is used for restricting work piece horizontal displacement on the work rest, be provided with the second stop gear who is used for restricting the vertical displacement of work piece on the work rest.

Through adopting above-mentioned technical scheme, the user has adjusted the position of punching device on the lathe through actuating mechanism, and then places the work piece on the work rest, through first stop gear and second stop gear restriction work piece level and vertical to displacement, and then punches a hole through punching device to the work piece, because first stop gear and second stop gear's fixed action, the work piece can not take place displacement and unnecessary deformation in the in-process of punching a hole, effectively guarantees the processing effect who punches a hole.

Preferably, the first limiting mechanism comprises a plurality of positioning bolts arranged on the workpiece frame along the vertical direction, positioning heads are connected to the positioning bolts in a threaded mode, the positioning bolts are symmetrically arranged along the width direction of the frame, and the distance between the positioning bolts is equal to the width of the workpiece.

Through adopting above-mentioned technical scheme, the diameter of location head is greater than the diameter of pilot pin, and the pilot pin setting on the moving path of work piece, through the horizontal displacement of the both sides limit butt restriction work piece of location head and work piece, and the height that just can adjust the location head of user rotational positioning head, the convenience is according to work piece thickness adjustment.

Preferably, the second limiting mechanism comprises a pressing rod which is in threaded connection with the workpiece frame along the vertical direction, pressing blocks are rotatably connected to the bottom end of the pressing rod along the direction perpendicular to the pressing rod, and the two pressing blocks are symmetrically arranged along the length direction of the rack.

Through adopting above-mentioned technical scheme, the user compresses tightly the pole according to the thickness rotation of work piece, and the height of adjustment briquetting guarantees that the trend of punching a hole in-process work piece upwards rotation can be hindered by the briquetting to guarantee that the hole pore wall that punches out on the work piece is perpendicular, the position is accurate.

Preferably, the driving mechanism comprises a sliding seat fixed at the bottom of the workpiece frame, the sliding seat is rotatably connected with a synchronizing shaft along the width direction of the frame, the frame is provided with two screw rods along the length direction of the frame, the two screw rods are respectively meshed with two ends of the synchronizing shaft through bevel gears, the screw rods are in threaded connection with the frame, and the screw rods are rotatably connected with the sliding seat.

Through adopting above-mentioned technical scheme, the user drives the synchronizing shaft and rotates, drives the screw rod through the bevel gear meshing and rotates, makes the screw rod drive the seat that slides along frame length direction through threaded connection and swivelling joint and slides, and because the screw rod symmetry sets up, to the drive power evenly distributed that slides of the seat that slides, effectively guarantees the stability of the sliding motion that slides, and the drive is convenient.

Preferably, a servo motor for driving the synchronous shaft to rotate is fixed at one end of the synchronous shaft, a displacement sensor is arranged on the sliding seat, a controller is arranged on the sliding seat, and the displacement sensor, the controller and the servo motor are electrically connected.

Through adopting above-mentioned technical scheme, displacement sensor real-time supervision work rest is in the position in the frame, in case the requirement of the skew of work rest machined position, displacement sensor sends electrical signal to the controller, start servo motor, the drive synchronizing shaft rotates, displacement sensor sends electrical signal to the controller once more behind the adjustment position, stop servo motor, as long as servo motor does not change, under threaded connection's auto-lock nature, the rigidity of work rest, thereby realize automatic adjustment punching device's position, real-time feedback, flexible processing.

Preferably, the punching device comprises a punch arranged on a workpiece frame in a sliding mode along the vertical direction, a template is arranged on the workpiece frame corresponding to the punch, frosted sponge is arranged at the bottom of the template corresponding to the punch, a buckle used for fixing the frosted sponge is rotatably connected to the bottom of the template, and a hydraulic cylinder used for driving the punch to slide towards the template is fixed on the workpiece frame.

Through adopting above-mentioned technical scheme, when the drift was towards the template displacement and when assaulting the work piece under the drive of pneumatic cylinder, dull polish sponge can with the blade butt of drift, at the automatic drift blade that grinds of the displacement in-process of drift, and fix in the template bottom through the buckle behind the lubricating oil can be infiltrated to dull polish sponge, lubricated drift when grinding effectively improves the quality of punching a hole.

Preferably, a sliding groove is formed in the workpiece frame along the width direction of the frame, the positioning bolt is connected with the sliding groove in a sliding mode, an embedded block used for clamping the positioning bolt is arranged in the sliding groove, and an adjusting bolt abutted against the positioning bolt is connected in the sliding groove along the direction of the sliding groove in a threaded mode.

Through adopting above-mentioned technical scheme, the user selects suitable abaculus according to the width of work piece to place in the spout, and then rotatory adjusting bolt makes adjusting bolt and pilot pin butt, fixes the pilot pin through packing force and frictional force, conveniently adjusts the pilot pin interval according to the work piece, facilitates the use.

Preferably, a rubber pad is fixed to the bottom surface of the pressing block.

Through adopting above-mentioned technical scheme, the flexibility of rubber pad can avoid the mutual wearing and tearing between briquetting and the work piece, effectively guarantees that the roughness of work piece surface does not reduce.

To sum up, the utility model discloses following beneficial effect has:

1. a plurality of holes can be punched simultaneously, and the punching position can be adjusted;

2. and the punching position is automatically adjusted.

Drawings

Fig. 1 is an overall view of this embodiment.

Fig. 2 is a schematic view of the structure of the workpiece holder according to this embodiment.

Fig. 3 is a schematic structural view of the sliding seat of the embodiment.

In the figure: 1. a frame; 2. a workpiece holder; 21. a punch; 22. a template; 23. a frosted sponge; 24. buckling; 25. a hydraulic cylinder; 26. a chute; 3. positioning bolts; 31. positioning the head; 32. an insert block; 33. adjusting the bolt; 4. a hold down bar; 41. briquetting; 42. a rubber pad; 5. a sliding seat; 51. a synchronizing shaft; 52. a screw; 53. a servo motor; 54. a displacement sensor; 55. and a controller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-3.

Referring to fig. 1 or 2, a punching apparatus of a molding machine includes a frame 1 having a rectangular shape in a plan view, and the frame 1 is provided with the punching apparatus. The punching device comprises a workpiece frame 2, a first limiting mechanism is arranged on the workpiece frame 2 and used for limiting the horizontal displacement of a workpiece by a user, and a second limiting mechanism is arranged on the workpiece frame 2 and used for limiting the vertical displacement of the workpiece by the user. The punching device is connected with the rack 1 in a sliding manner along the length direction of the rack 1, and a driving mechanism is arranged on the rack 1 and used for a user to drive the punching device to slide. The punching device comprises a punch 21 which is arranged on the workpiece frame 2 in a sliding mode along the vertical direction, a template 22 is fixed at the bottom of the workpiece frame 2 corresponding to the punch 21, and a hydraulic cylinder 25 connected with the punch 21 is fixed on the workpiece frame 2. The bottom of the template 22 is provided with a circular frosted sponge 23 corresponding to the punch 21, the bottom of the template 22 is rotatably connected with L-shaped buckles 24 along the vertical direction, and the buckles 24 are four in number and are arranged in a circumferential array around the axis of the punch 21.

The user places in template 22 bottom after soaking lubricating oil with dull polish sponge 23, and rotatory buckle 24 makes buckle 24 and dull polish sponge 23 butt, fixes dull polish sponge 23 in template 22 bottom. After the position of the punching device on the rack 1 is adjusted by the driving mechanism, a workpiece is placed on the workpiece frame 2, and the workpiece is limited by the first limiting mechanism and the second limiting mechanism to move or turn over due to pressure during punching in the punching process, so that the machining precision and the machining effect are influenced. And when drift 21 passed template 22 along vertical direction under the drive of pneumatic cylinder 25 and slided from top to bottom, can realize automatic grinding and lubricated blade because of butt and the friction with dull polish sponge 23, effectively prevent drift 21 and work piece production burr, improve production quality.

Referring to fig. 2, the first limiting mechanism includes positioning bolts 3 disposed on the workpiece holder 2 along the vertical direction, the number of the positioning bolts 3 is four, two positioning bolts are a set, two sets of the positioning bolts 3 are symmetrically disposed along the width direction of the rack 1, the positioning bolts 3 in the same set are symmetrically disposed along the length direction of the rack 1, and the distance between the two sets of the positioning bolts 3 is equal to the width of the workpiece. The positioning bolt 3 is connected with a positioning head 31 through screw threads. In order to adapt to workpieces with different widths, a sliding groove 26 is formed in the workpiece frame 2 along the width direction of the frame 1, the sliding groove 26 is arranged corresponding to the positioning bolt 3, the positioning bolt 3 is connected with the sliding groove 26 in a sliding mode, an embedded block 32 abutted against the positioning bolt 3 is placed in the sliding groove 26, and an adjusting bolt 33 abutted against the positioning bolt 3 is connected in the sliding groove 26 along the direction of the sliding groove 26 in a threaded mode.

A user selects a proper insert block 32 according to the width of a workpiece, then rotates the adjusting bolt 33 to enable the insert block 32 and the adjusting bolt 33 to be respectively abutted against the positioning bolts 3 from two directions, the positioning bolts 3 are fixed in the sliding grooves 26 through friction force and pressing force, when the width of the workpiece is changed, the distance between the positioning bolts 3 can be freely changed according to needs, and therefore the application range of the punching device is expanded, and the punching device is convenient to use.

Referring to fig. 2, the second limiting mechanism includes a pressing rod 4 screwed on the work rest 2 in the vertical direction, the bottom end of the pressing rod 4 is rotatably connected with a pressing block 41 in the direction perpendicular to the pressing rod 4, one pressing block 41 corresponds to two pressing rods 4, and the two pressing rods 4 are symmetrically arranged on the pressing block 41. The number of the pressing blocks 41 is two, the pressing blocks are symmetrically arranged along the length direction of the rack 1, and rubber pads 42 are fixed on the bottom surfaces of the pressing blocks 41. The user only needs rotatory compression bar 4 just can drive briquetting 41 and slide from top to bottom along vertical direction to change the height of briquetting 41 on work rest 2, conveniently cooperate the thickness of work piece, realize all can restricting its vertical direction's displacement and rotation well to the work piece of different thickness. The rubber pad 42 prevents the pressing block 41 from directly contacting with the workpiece, prevents the pressing block 41 from being worn on the outer surface of the workpiece due to the abutting of the pressing block and the workpiece when the workpiece is limited, and effectively ensures the processing quality of the workpiece.

Referring to fig. 3, the driving mechanism includes a sliding seat 5 fixed at the bottom of the work rest 2, and a synchronizing shaft 51 rotatably connected to the sliding seat 5, wherein the synchronizing shaft 51 is arranged along the width direction of the frame 1. The machine frame 1 is in threaded connection with two screw rods 52 along the length direction of the machine frame 1, and the two screw rods 52 are symmetrically arranged on two long edges of the machine frame 1 along the width direction of the machine frame 1. One end of the screw 52 close to the synchronizing shaft 51 is meshed with one end of the synchronizing shaft 51 close to the screw 52 through a bevel gear, and one end of the screw 52 close to the synchronizing shaft 51 is rotationally connected with the sliding seat 5. The user only needs to drive the synchronizing shaft 51 to rotate, the bevel gear is meshed to drive the screw rod 52 to rotate, and the screw rod 52 is in threaded connection with the rack 1, so that the screw rod 52 can slide along the length direction of the rack 1, and the sliding seat 5 is driven to move along the length direction of the rack 1. Therefore, the position change of the sliding seat 5 on the machine frame 1 along the length direction of the machine frame 1 can be conveniently controlled.

Referring to fig. 3, in order to avoid the trouble of manually adjusting the punching device, a servo motor 53 is fixed at one end of the synchronizing shaft 51 for a user to drive the synchronizing shaft 51 to rotate. A displacement sensor 54 is fixed on the sliding seat 5, and a controller 55 is also fixed on the sliding seat 5 for controlling the working duration and the forward and reverse rotation of the servo motor 53 by a user. The displacement sensor 54, the servo motor 53 and the controller 55 are electrically connected to each other and can transmit electric signals to each other. As long as the servo motor 53 does not rotate, the screw 52 does not rotate, and the position of the punching device is automatically fixed due to the self-locking property of the threaded connection. The user determines the position of the workpiece holder 2 by the displacement sensor 54, and once the position of the workpiece holder 2 measured by the displacement sensor 54 changes, the user sends a signal to the controller 55 to start the servo motor 53 to drive the synchronizing shaft 51 to rotate, and the screw 52 rotates through the engagement of the bevel gears, so that the position of the workpiece holder 2 changes. When the workpiece reaches the specified position, the displacement sensor 54 sends a signal to the workpiece holder 2 again, the servo motor 53 is turned off, and the position of the workpiece holder 2 is fixed. Therefore, the forming machine realizes the processing flexibility and automation.

The specific implementation process comprises the following steps: the user places the dull polish sponge 23 that soaks lubricating oil in template 22 bottom surface and rotatory buckle 24 is fixed, rethread actuating mechanism changes punching device's position, place the work piece on work rest 2, make the work piece be located between the gim peg 3 and be located under the position head 31, rotatory pressure bar 4 according to the thickness of work piece again, make the clearance between briquetting 41 and the work piece minimum, guarantee the gim peg 3 and restrict the horizontal displacement of work piece, briquetting 41 restricts the vertical displacement and the rotation of work piece, rethread pneumatic cylinder 25 drives drift 21 towards work piece and template 22 displacement, in-process and dull polish sponge 23 butt of drift 21 punching press, reply initial position after the lubrication and the grinding of drift sponge 23, guarantee the sharpness of drift 21 blade, guarantee the punching position accuracy, the burr that punches a hole is few, work piece processingquality is high.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a punching device of make-up machine, includes frame (1), its characterized in that: the punching device is characterized in that the punching device is connected to the frame (1) in a sliding manner along the length direction of the frame (1), a driving mechanism used for driving the punching device to slide along the length direction of the frame (1) is arranged on the frame (1), the punching device comprises a workpiece frame (2) connected to the frame (1) in a sliding manner along the length direction of the frame (1), a first limiting mechanism used for limiting the horizontal displacement of a workpiece is arranged on the workpiece frame (2), and a second limiting mechanism used for limiting the vertical displacement of the workpiece is arranged on the workpiece frame (2).

2. The punching apparatus of a molding machine according to claim 1, characterized in that: first stop gear includes along a plurality of pilot bolts (3) of vertical direction setting on work rest (2), threaded connection has locating head (31) on pilot bolt (3), pilot bolt (3) set up and the interval equals the work piece width along frame (1) width direction symmetry.

3. The punching apparatus of a molding machine according to claim 2, characterized in that: the second limiting mechanism comprises a pressing rod (4) which is in threaded connection with the workpiece frame (2) along the vertical direction, pressing blocks (41) are connected to the bottom end of the pressing rod (4) in a rotating mode along the direction perpendicular to the pressing rod (4), and the number of the pressing blocks (41) is two and the pressing blocks are symmetrically arranged along the length direction of the rack (1).

4. The punching apparatus of a molding machine according to claim 3, characterized in that: the driving mechanism comprises a sliding seat (5) fixed at the bottom of the workpiece frame (2), the sliding seat (5) is rotatably connected with a synchronizing shaft (51) along the width direction of the frame (1), the frame (1) is provided with screw rods (52) along the length direction of the frame (1), the screw rods (52) are two and are respectively meshed with the two ends of the synchronizing shaft (51) through bevel gears, the screw rods (52) are in threaded connection with the frame (1), and the screw rods (52) are rotatably connected with the sliding seat (5).

5. The punching apparatus of a molding machine according to claim 4, characterized in that: one end of synchronizing shaft (51) is fixed with and is used for driving synchronizing shaft (51) pivoted servo motor (53), be equipped with displacement sensor (54) on seat (5) that slides, be equipped with controller (55) on seat (5) that slides, displacement sensor (54), controller (55) and servo motor (53) electricity are connected.

6. The punching apparatus of a molding machine according to claim 5, characterized in that: punching device includes drift (21) of setting on work rest (2) that slides along vertical direction, work rest (2) are gone up and are equipped with template (22) corresponding drift (21), template (22) bottom corresponds drift (21) and is provided with dull polish sponge (23), template (22) bottom swivelling joint has buckle (24) that are used for fixed dull polish sponge (23), be fixed with on work rest (2) and be used for driving drift (21) towards pneumatic cylinder (25) that template (22) slided.

7. The punching apparatus of a molding machine according to claim 2 or 6, characterized in that: the workpiece holder (2) is provided with a sliding groove (26) along the width direction of the rack (1), the positioning bolt (3) is connected with the sliding groove (26) in a sliding manner, an embedded block (32) used for clamping the positioning bolt (3) is arranged in the sliding groove (26), and an adjusting bolt (33) abutted against the positioning bolt (3) is connected in the sliding groove (26) along the direction of the sliding groove (26) in a threaded manner.

8. The punching apparatus of a molding machine according to claim 3, characterized in that: and a rubber pad (42) is fixed on the bottom surface of the pressing block (41).