CN210907609U

CN210907609U - Jacking mechanism applied to punching and shearing machine

Info

Publication number: CN210907609U
Application number: CN201921983702.0U
Authority: CN
Inventors: 李倩; 宋云生; 徐宏伟; 王美迪
Original assignee: Jinan Zhuoshuchen Machinery Co ltd
Current assignee: Jinan Zhuoshuchen Machinery Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-03
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a jacking mechanism applied in a punching and shearing machine, which relates to the technical field of machining and is arranged on a lower die, wherein the lower die comprises a mounting seat and a fixed seat arranged on the mounting seat, a positioning groove for positioning a workpiece is arranged on the fixed seat, the jacking mechanism comprises a stand column arranged on the mounting seat and a pry bar hinged on the stand column, one end of the pry bar is positioned below the workpiece, the other end of the pry bar is provided with a driving component for driving the pry bar to rotate, and the driving component is positioned outside the punching and shearing machine; drive assembly includes actuating lever and connecting seat, and the hole of sliding has been seted up to connecting seat one end setting on the mount pad, the other end, actuating lever one end with the pinch bar is articulated, the other end pass the hole of sliding and slide with the hole of sliding and be connected, the one end that the pinch bar was kept away from to the actuating lever still is provided with power spare, and the stand articulates on the mount pad. Because will originally workman's manual work piece perk change into mechanical drive lever perk work piece, be convenient for take out of work piece has improved work efficiency.

Description

Jacking mechanism applied to punching and shearing machine

Technical Field

The utility model relates to a machining's technical field, more specifically say, it relates to an use climbing mechanism in punching and shearing machine.

Background

In the machine manufacturing industry, it is often necessary to use a punch and shear machine to continuously punch satisfactory parts from a strip. Currently, punching parts on a strip is mainly completed by a punching die on a punching machine. The front end of the strip is inserted into a workpiece positioning groove of a lower die of a stamping die for positioning, an upper die of the die is moved downwards through a punch, and a punch moving downwards along with the upper die is matched with the lower die to shear materials.

The existing workpiece made of steel pipes needs to cut one end of the part and flatten one end of the part. When the punching die works, one end to be cut is inserted into a workpiece positioning groove of a lower die of the punching die to be positioned, an upper die of the die is moved downwards through the punching machine, and a punch moving downwards along with the upper die is matched with the lower die to cut a material, so that one end of a tubular workpiece is flattened.

In the existing operation, in order to improve the stability of workpiece processing, the positioning groove is generally clamped with the workpiece. Thereby make work piece one end exhibition flat back, exhibition flat one end is because the surface area can the grow for exhibition flat one end can the chucking in the constant head tank, needs the workman to hold a steel pipe and passes through lever principle, with the work piece perk of chucking in the constant head tank. In the tilting process, a worker can take out the workpiece with large force, and after the workpiece works for a period of time, the worker needs to have a rest and recover physical strength, so that the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an use climbing mechanism in punching and shearing machine is convenient for the workman to take out the work piece, improves work efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a jacking mechanism applied to a punching and shearing machine is arranged on a lower die, the lower die comprises an installation seat and a fixed seat arranged on the installation seat, a positioning groove for positioning a workpiece is formed in the fixed seat, the jacking mechanism comprises an upright column arranged on the installation seat and a prying bar hinged on the upright column, one end of the prying bar is positioned below the workpiece, the other end of the prying bar is provided with a driving assembly for driving the prying bar to rotate, and the driving assembly is positioned outside the punching and shearing machine;

the drive assembly comprises a drive rod and a connecting seat, wherein one end of the connecting seat is arranged on the mounting seat, the other end of the connecting seat is provided with a sliding hole, one end of the drive rod is hinged to the pry bar, the other end of the drive rod penetrates through the sliding hole and is connected with the sliding hole in a sliding mode, one end, far away from the pry bar, of the drive rod is further provided with a power part, and the stand column is hinged to the mounting seat.

Through adopting above-mentioned technical scheme, the during operation, power spare drives the actuating lever and does the motion that is close to ground along sliding hole length direction to give the pinch bar and keep away from an effort of work piece one end, thereby according to lever principle, the pinch bar one end that is located the work piece below can stick up the work piece, realizes taking out of work piece. Because will originally workman's manual work piece perk change into mechanical drive lever perk work piece, be convenient for take out of work piece has improved work efficiency.

The utility model discloses further set up to: the power part is including setting up the driving motor on the connecting seat lower surface, be connected with the dwang on driving motor's the output shaft, the dwang other end rotates and is connected with the driven lever, the driven lever with the actuating lever rotates and is connected.

Through adopting above-mentioned technical scheme, during operation, the output shaft of motor drives the dwang and rotates to drive the driven lever and rotate. The driven lever rotates to drive the driving rod to move along the length direction of the sliding hole and far away from the ground so as to provide an acting force for one end of the prying rod, far away from the workpiece, and therefore the purpose of tilting the workpiece is achieved.

The utility model discloses further set up to: the stand is close to the one end setting that the pinch bar is located the work piece below.

Through adopting above-mentioned technical scheme for increase the power arm, reduce the resistance arm, make the pinch bar become laborsaving lever, thereby reduce the power that the power part will exert the power, the work piece of being convenient for takes out, reduces required energy.

The utility model discloses further set up to: the stand sets up on the connecting seat, just set up the dovetail on the mount pad, be provided with on the connecting seat lower surface with the forked tail block of forked tail groove looks adaptation, the forked tail block slides and connects in the dovetail, still be provided with the fastening components of fixed connection seat on the connecting seat.

Through adopting above-mentioned technical scheme for climbing mechanism can dismantle with the lower mould and be connected, thereby make climbing mechanism's existence can not influence the installation of lower mould, the workman's operation of being convenient for has improved work efficiency.

The utility model discloses further set up to: the fastening assembly comprises a fastening bolt, a through hole is formed in the connecting seat, a threaded hole is formed in the mounting seat, the fastening bolt penetrates through the through hole to be in threaded connection with the threaded hole, and the top of the fastening bolt is abutted to the connecting seat.

Through adopting above-mentioned technical scheme, when installing climbing mechanism, the dovetail piece that sets up on the connecting seat earlier corresponds with the dovetail of seting up on the mount pad and places, then slides the dovetail piece and connect in the dovetail. When the through holes are all located on the mounting seat, the fastening bolts penetrate through the through holes, and then the connecting seat is pushed to move along the length direction of the dovetail groove. When fastening bolt moved to set up the screw hole on the mount pad, fastening bolt tip can be because the effort that does not give it receiving the mount pad is pegged graft in the screw hole, and the workman of being convenient for judges the position of screw hole, improves workman's installation effectiveness. And finally, screwing the fastening bolt to enable the fastening bolt to be in threaded connection with the threaded hole, enabling the top of the fastening bolt to be in abutting connection with the connecting seat, and completing installation and fixation of the connecting seat.

The utility model discloses further set up to: one end of the pry bar, which is located below the workpiece, is provided with a clamping block for positioning the workpiece, the clamping block is provided with a clamping groove matched with the workpiece, and the workpiece is connected with the clamping groove in a sliding and rotating manner.

Through adopting above-mentioned technical scheme for fix a position the work piece, prevent to take place relative slip between pinch bar and the work piece, make the work piece break away from the pinch bar tip, thereby influence the pinch bar with the work piece perk, improve climbing mechanism operating stability.

The utility model discloses further set up to: an elastic rubber layer is arranged in the clamping groove.

By adopting the technical scheme, the space volume in the clamping groove is adjustable, the workpiece can be clamped in the clamping groove, and the positioning effect of the clamping groove on the workpiece is improved.

The utility model discloses further set up to: and an elastic rubber block is arranged at the bottom of the clamping block.

Through adopting above-mentioned technical scheme for protection card decides piece and mount pad, prevent to block and take place rigid collision between piece and the mount pad, influence life between them.

Compared with the prior art, the utility model has the advantages that:

1. the original manual tilting of the workpiece by workers is changed into the mechanical driving of the pry bar tilting workpiece, so that the burden of the workers is reduced, the workpiece is convenient to take out, and the working efficiency is improved;

2. the jacking mechanism is detachably connected with the lower die, so that the installation of the lower die cannot be influenced by the existence of the jacking mechanism, the operation of workers is facilitated, and the working efficiency is improved;

3. be provided with card and decide piece and card groove for fix a position the work piece, prevent to take place relative slip between pinch bar and the work piece, make the work piece break away from the pinch bar tip, thereby influence the pinch bar with the work piece perk, improve climbing mechanism operation's stability.

Drawings

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

FIG. 2 is an exploded view of the lower die and the jacking mechanism;

fig. 3 is a schematic structural diagram of the jacking mechanism.

Reference numerals: 100. a lower die; 110. a mounting seat; 111. a dovetail groove; 112. a threaded hole; 120. a fixed seat; 121. positioning a groove; 200. a column; 300. a pry bar; 310. a clamping block; 311. a clamping groove; 312. an elastic rubber layer; 313. an elastic rubber block; 400. a drive assembly; 410. a drive rod; 420. a connecting seat; 421. a sliding hole; 422. a dovetail block; 423. a through hole; 430. a power member; 431. a drive motor; 432. rotating the rod; 433. a driven lever; 440. and fastening the bolt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, a jacking mechanism applied to a punching and shearing machine is disposed on a lower die 100, the lower die 100 includes a mounting base 110 and a fixing base 120 integrally disposed on the mounting base 110, a positioning groove 121 for positioning a workpiece is disposed on the fixing base 120, and the workpiece is clamped in the positioning groove 121.

Referring to fig. 1 and 2, the jacking mechanism includes a column 200 disposed on the mounting base 110, and a pry bar 300 hinged on the column 200, one end of the pry bar 300 is located below the workpiece, the other end is provided with a driving assembly 400 for driving the pry bar 300 to rotate, and the driving assembly 400 is located outside the punching and shearing machine, so as to prevent the existence of the punching and shearing machine from affecting the operation of the driving assembly 400.

Referring to fig. 2 and 3, the driving assembly 400 includes a driving rod 410 and a connecting seat 420, one end of the connecting seat 420 is disposed on the mounting seat 110, and the other end thereof is provided with a sliding hole 421. One end of the driving rod 410 is hinged to the pry bar 300, the other end of the driving rod passes through the sliding hole 421 and is connected with the sliding hole 421 in a sliding manner, a power part 430 is further arranged at one end of the driving rod 410 far away from the pry bar 300, and the upright column 200 is hinged to the mounting base 110.

Referring to fig. 2 and 3, the power member 430 includes a driving motor 431 fixedly disposed on the lower surface of the connecting base 420 by a screw, a rotating rod 432 is connected to an output shaft of the driving motor 431, a driven rod 433 is rotatably connected to the other end of the rotating rod 432, and the other end of the driven rod 433 is rotatably connected to the driving rod 410 to drive the pry bar 300 to rotate, so as to tilt the workpiece.

In this embodiment, the upright post 200 is disposed near one end of the pry bar 300 below the workpiece and is located on the connecting seat 420, so that the jacking mechanism can be conveniently mounted and dismounted, and the mounting of the lower die 100 cannot be affected by the jacking mechanism.

Referring to fig. 2 and 3, the mounting seat 110 is provided with a dovetail groove 111, a dovetail block 422 matched with the dovetail groove 111 is integrally arranged on the lower surface of the connecting seat 420, the dovetail block 422 is slidably connected in the dovetail groove 111, and the connecting seat 420 is further provided with a fastening assembly for fixing the connecting seat 420.

Referring to fig. 2 and 3, the fastening assembly includes a fastening bolt 440, a through hole 423 is formed in the connecting seat 420, a threaded hole 112 is formed in the mounting seat 110, during mounting, the fastening bolt 440 passes through the through hole 423 and enables the fastening bolt 440 to be in threaded connection with the threaded hole 112, and after mounting is completed, the top of the fastening bolt 440 abuts against the upper surface of the connecting seat 420, so that the connecting seat 420 is fixed.

Referring to fig. 2 and 3, a locking block 310 for positioning the workpiece is integrally disposed at one end of the lever 300 located below the workpiece, a locking groove 311 matched with the workpiece is formed in the locking block 310, and the workpiece is slidably and rotatably connected in the locking groove 311.

Referring to fig. 1 and 3, in this embodiment, the elastic rubber layer 312 is adhered to the side wall and the bottom wall of the locking groove 311, so that the volume of the internal space of the locking groove 311 is adjustable, the workpiece can be locked in the locking groove 311 adhered with the elastic rubber layer 312, the elastic rubber layer 312 can support the workpiece tightly in the locking groove 311, the positioning effect of the locking groove 311 on the workpiece is improved, the workpiece is buffered to a certain extent, and when the workpiece is prevented from being tilted, the locking groove 311 and the workpiece are rubbed and collided to a certain extent, which affects the appearance of the workpiece and the service life of the locking block 310.

Referring to fig. 1 and 3, an elastic rubber block 313 is adhered to the bottom of the locking block 310 to protect the locking block 310 and prevent the locking block 310 from rigidly colliding with the mounting base 110 when moving close to the mounting base 110, which affects the service life of the locking block 310.

The working process is as follows:

the lower die 100 is first installed on the punching and shearing machine, and then the jacking mechanism is installed on the installation base 110. When the jacking mechanism is installed, the dovetail block 422 arranged on the connecting seat 420 is correspondingly arranged with the dovetail groove 111 arranged on the installing seat 110, and then the dovetail block 422 is connected in the dovetail groove 111 in a sliding manner. When the through holes 423 are all located on the mounting seat 110, the fastening bolts 440 pass through the through holes 423, and then push the connecting seat 420 to move along the length direction of the dovetail groove 111. When the fastening bolt 440 moves to the threaded hole 112 formed in the mounting seat 110, the end of the fastening bolt 440 is inserted into the threaded hole 112 without receiving an acting force given thereto by the mounting seat 110, so that a worker can conveniently judge the position of the threaded hole 112, and the mounting efficiency of the worker is improved. Finally, the fastening bolt 440 is screwed, so that the fastening bolt 440 is in threaded connection with the threaded hole 112, and the top of the fastening bolt 440 abuts against the connecting seat 420, thereby completing the installation and fixation of the connecting seat 420.

Then, one end to be cut is inserted into the workpiece positioning groove 121 of the lower die 100 of the stamping die for positioning, a power supply is started, the upper die of the die is moved downwards through the punch, and a punch moving downwards along with the upper die is matched with the lower die 100 to cut the material, so that one end of the tubular workpiece is flattened.

After the punching and shearing of the workpiece is completed, the power supply of the motor is started, and the output shaft of the motor drives the rotating rod 432 to rotate, so that the driven rod 433 is driven to rotate. The driven rod 433 rotates to drive the driving rod 410 to move close to the ground along the length direction of the sliding hole 421, so as to provide an acting force to one end of the pry bar 300 far away from the workpiece, thereby achieving the purpose of tilting the workpiece.

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 jacking mechanism is applied to a punching and shearing machine and is arranged on a lower die (100), the lower die (100) comprises an installation seat (110) and a fixed seat (120) arranged on the installation seat (110), and a positioning groove (121) for positioning a workpiece is formed in the fixed seat (120), the jacking mechanism is characterized by comprising an upright post (200) arranged on the installation seat (110) and a pry bar (300) hinged on the upright post (200), one end of the pry bar (300) is positioned below the workpiece, the other end of the pry bar is provided with a driving assembly (400) for driving the pry bar (300) to rotate, and the driving assembly (400) is positioned outside the punching and shearing machine;

drive assembly (400) include actuating lever (410) and connecting seat (420), sliding hole (421) have been seted up to connecting seat (420) one end setting on mount pad (110), the other end, actuating lever (410) one end with pry bar (300) are articulated, the other end passes sliding hole (421) and with sliding hole (421) slide and connect, the one end that pry bar (300) were kept away from in actuating lever (410) still is provided with power spare (430), stand (200) articulate on mount pad (110).

2. The lifting mechanism applied to a punching and shearing machine as claimed in claim 1, wherein said power member (430) comprises a driving motor (431) disposed on the lower surface of the connecting base (420), a rotating rod (432) is connected to the output shaft of said driving motor (431), a driven rod (433) is rotatably connected to the other end of said rotating rod (432), and said driven rod (433) is rotatably connected to said driving rod (410).

3. A lifting mechanism for use in a punching and shearing machine as claimed in claim 2, wherein said upright (200) is located adjacent an end of said pry bar (300) that is below the workpiece.

4. The jacking mechanism applied to the punching and shearing machine is characterized in that the upright column (200) is arranged on the connecting seat (420), the mounting seat (110) is provided with a dovetail groove (111), a dovetail block (422) matched with the dovetail groove (111) is arranged on the lower surface of the connecting seat (420), the dovetail block (422) is connected in the dovetail groove (111) in a sliding manner, and the connecting seat (420) is further provided with a fastening assembly for fixing the connecting seat (420).

5. The jacking mechanism applied to a punching and shearing machine, according to claim 4, wherein the fastening assembly comprises a fastening bolt (440), a through hole (423) is formed in the connecting seat (420), a threaded hole (112) is formed in the mounting seat (110), the fastening bolt (440) passes through the through hole (423) to be in threaded connection with the threaded hole (112), and the top of the fastening bolt (440) abuts against the connecting seat (420).

6. The lifting mechanism applied to a punching and shearing machine as recited in claim 1, wherein one end of said pry bar (300) located below the workpiece is provided with a locking block (310) for positioning the workpiece, said locking block (310) is provided with a locking groove (311) adapted to the workpiece, and said workpiece is connected with said locking groove (311) in a sliding and rotating manner.

7. A lifting mechanism for a punching and shearing machine as claimed in claim 6, wherein said locking slot (311) is provided with an elastic rubber layer (312).

8. The lifting mechanism applied to a punching and shearing machine as recited in claim 7, characterized in that the bottom of said locking block (310) is provided with an elastic rubber block (313).