CN216065136U - Punching and blanking device - Google Patents

Abstract

The utility model discloses a punching and blanking device. The utility model comprises the following steps: the punching and blanking integrated operation of the metal plate can be realized by controlling the descending of the upper die base, the male die fixing plate and the male die, the processing efficiency is improved, the qualification rate of products is improved, the elastic action of four upper springs and four lower springs is utilized, the shock absorption can be effectively buffered to the impact force generated during die assembly, the service lives of the female die and the male die are prolonged, the rotation of the S-shaped material shifting rod is utilized, the waste materials falling into the blanking hole can be smoothly discharged, the blockage of the blanking hole is avoided, the problems that the punching processing and the blanking processing of the metal plate are separately performed when the existing punching and blanking device is used are solved, the working efficiency is low, the punching deviation is easily caused during the processing, the batch defect is formed, and the effect of buffering the impact force generated during die assembly is not available, and the produced waste material is easy to block the blanking hole.

Description

Punching and blanking device

Technical Field

The utility model relates to the technical field of punching dies, in particular to a punching and blanking device.

Background

Nowadays, in the process of processing and producing workpieces, a punching and blanking device is generally used, wherein punching refers to punching holes of various shapes on materials such as steel plates, leather, cloth, wood plates and the like so as to meet different requirements, blanking refers to a process of separating plates along a closed contour line and taking the materials within the contour line as blanking pieces, and punching and blanking equipment is widely applied to die processing;

however, when the existing punching and blanking device is used, punching and blanking of metal plates are separately performed, so that the working efficiency is low, punching deviation is easily caused in the machining process, batch defects are formed, the effect of buffering impact force generated when a die is closed is not achieved, a male die and a female die are easily damaged by the impact force generated when the die is closed for a long time, the service life of the male die and the female die is shortened, and the generated waste material easily blocks blanking holes, so that the machining work of the metal plates cannot be smoothly performed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a punching and blanking device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a punching and blanking device comprises: the stamping die comprises a lower die holder, a female die is fixedly mounted at the top of the lower die holder, an upper die holder is arranged right above the female die, a male die fixing plate is fixedly mounted at the bottom of the upper die holder, a male die is arranged at the bottom of the male die fixing plate, four male die bolts which are arranged pairwise and symmetrically are mounted at the bottom of the male die fixing plate, the male die and the male die fixing plate are fixedly connected through the four male die bolts, a plurality of punches are fixedly mounted at the bottom of the male die fixing plate, the male die is positioned right above the female die, a plurality of punching needles are fixedly mounted at the bottom of the male die, a die shank is fixedly mounted at the top of the upper die holder, four guide posts which are arranged pairwise and symmetrically are fixedly mounted at the bottom of the upper die holder, a die core is arranged at the top of the female die, a female die insert is fixedly mounted in the die core, and four shaft sleeves which are arranged pairwise and symmetrically are fixedly mounted in the female die, the four top ends of the shaft sleeves extend out of the female die, the four guide pillars are respectively located right above the corresponding shaft sleeves, blanking holes are formed in the top of the lower die base and communicated with the die core, four cavities which are arranged in pairwise symmetry are formed in the lower die base, and four buffer mechanisms are arranged on the lower die base in pairwise symmetry.

Buffer gear includes lifter plate, support column, upper spring, lower spring, damping pad, two guide bars and dials the material subassembly, lifter plate slidable mounting is in the cavity, support column fixed mounting be in the top of lifter plate, the through-hole has been seted up on the top inner wall of cavity, the top of support column run through the through-hole and with the bottom fixed connection of die, upper spring fixed mounting be in the top of die holder, upper spring overlaps and establishes on the support column, the top of upper spring with the bottom fixed connection of die.

Further, the lower spring is fixedly installed at the bottom of the lifting plate, the damping pad is fixedly installed on the inner wall of the bottom of the cavity, and the bottom end of the lower spring is fixedly connected with the top of the damping pad.

Furthermore, two guide rods are fixedly installed in the cavity, and the lifting plate is sleeved on the two guide rods in a sliding mode.

Furthermore, the material shifting assembly comprises a lifting rod, a rack, a bearing seat, a rotating shaft, a gear and an S-shaped material shifting rod, a rectangular sliding hole is formed in the inner wall of one side of the cavity and communicated with the blanking hole, the lifting rod is fixedly installed on one side of the lifting plate, one end, far away from the lifting plate, of the lifting rod penetrates through the rectangular sliding hole, and the rack is fixedly installed at one end, located in the blanking hole, of the lifting rod.

Further, the bearing frame fixed mounting be in on one side inner wall of blanking hole, the pivot is rotated and is installed on the bearing frame, the fixed cover of gear is established in the pivot, the gear with the rack meshes mutually, S type kickoff lever fixed mounting be in the pivot is kept away from the one end of bearing frame.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can realize the punching and blanking integrated operation of the metal plate by controlling the descending of the upper die seat, the male die fixing plate and the male die, improve the processing efficiency and the qualification rate of products, can effectively buffer and damp the impact force generated during die assembly by utilizing the elastic action of the four upper springs and the four lower springs, prolong the service life of the female die and the male die, and utilize the rotation of the S-shaped material shifting rod, so that the waste material falling into the blanking hole can be smoothly discharged, the blockage of the blanking hole is avoided, the problems that when the existing punching blanking device is used, the punching processing and blanking processing of the metal plate are separately carried out, the working efficiency is low, the punching deviation is easily caused in the processing process, the batch badness is formed, and the impact force generated when the die is closed is not buffered, and the generated waste material is easy to block the blanking hole.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic sectional front view of the embodiment of FIG. 1;

FIG. 3 is a schematic sectional top view of the female mold;

fig. 4 is a partially enlarged view of a position a in fig. 2.

Reference numerals: 1. a lower die holder; 2. a female die; 3. an upper die holder; 4. a male die fixing plate; 5. a male die; 6. a mold core; 7. a shaft sleeve; 8. a die shank; 9. a male die bolt; 10. a punch; 11. punching a needle; 12. a guide post; 13. a concave die insert; 14. a blanking hole; 15. a cavity; 16. a lifting plate; 17. a support pillar; 18. an upper spring; 19. a lower spring; 20. a damping pad; 21. a guide bar; 22. a rectangular slide hole; 23. a lifting rod; 24. a rack; 25. a bearing seat; 26. a rotating shaft; 27. a gear; 28. s-shaped kick-out lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-4, in which fig. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic sectional front view of the embodiment of FIG. 1; FIG. 3 is a schematic sectional top view of the female mold; fig. 4 is a partial enlarged view of a position a in fig. 2, and the punching and blanking device comprises: the die comprises a lower die holder 1, a female die 2 is fixedly installed at the top of the lower die holder 1, an upper die holder 3 is arranged right above the female die 2, a male die fixing plate 4 is fixedly installed at the bottom of the upper die holder 3, a male die 5 is arranged at the bottom of the male die fixing plate 4, four male die bolts 9 which are symmetrically arranged in pairs are installed at the bottom of the male die fixing plate 4, the male die 5 and the male die fixing plate 4 are fixedly connected through the four male die bolts 9, a plurality of punches 10 are fixedly installed at the bottom of the male die fixing plate 4, the male die 5 is positioned right above the female die 2, a plurality of punching needles 11 are fixedly installed at the bottom of the male die 5, a die shank 8 is fixedly installed at the top of the upper die holder 3, four guide pillars 12 which are symmetrically arranged in pairs are fixedly installed at the bottom of the upper die holder 3, a die core 6 is arranged at the top of the female die 2, a female die insert 13 is fixedly installed in pairs in the female die 2, the top of four axle sleeves 7 all extends to outside die 2, four guide pillars 12 are located corresponding axle sleeve 7 respectively directly over, blanking hole 14 has been seted up at the top of die holder 1, blanking hole 14 is linked together with mould benevolence 6, set up four cavity 15 that are two bisymmetry settings in the die holder 1, be provided with four buffer gear on the die holder 1, four buffer gear are two bisymmetry settings, through setting up four buffer gear, can fix die 2 firm support on die holder 1, and can carry out effectual buffering shock attenuation to the impact force that produces when die 2 and the compound die 5 compound die, avoid die 2 and the impact force that the compound die produced to receive for a long time with terrace die 5 and damage.

In this embodiment, buffer gear includes lifter plate 16, support column 17, upper spring 18, lower spring 19, damping pad 20, two guide bars 21 and group material subassembly, lifter plate 16 slidable mounting is in cavity 15, support column 17 fixed mounting is at the top of lifter plate 16, the through-hole has been seted up on the top inner wall of cavity 15, the top of support column 17 runs through the through-hole and with the bottom fixed connection of die 2, upper spring 18 fixed mounting is at the top of die holder 1, upper spring 18 cover is established on support column 17, the top of upper spring 18 and the bottom fixed connection of die 2, can carry out effectual buffering to the partly impact force that produces when die 2 and the compound die 5 compound die through utilizing upper spring 18's elasticity.

In this embodiment, the lower spring 19 is fixedly installed at the bottom of the lifting plate 16, the damping pad 20 is fixedly installed on the inner wall of the bottom of the cavity 15, the bottom end of the lower spring 19 is fixedly connected with the top of the damping pad 20, and a part of impact force generated when the female die 2 and the male die 5 are clamped can be effectively buffered by using the elastic force of the lower spring 19.

In this embodiment, two equal fixed mounting of guide bar 21 are in cavity 15, and lifter plate 16 slip cover is established on two guide bar 21, through setting up guide bar 21, plays the effect of leading to lifter plate 16's direction of motion for lifter plate 16 can carry out steady elevating movement in cavity 15.

In this embodiment, the material poking component comprises a lifting rod 23, a rack 24, a bearing seat 25, a rotating shaft 26, a gear 27 and an S-shaped material poking rod 28, a rectangular sliding hole 22 is formed in the inner wall of one side of the cavity 15, the rectangular sliding hole 22 is communicated with the blanking hole 14, the lifting rod 23 is fixedly installed on one side of the lifting plate 16, one end, far away from the lifting plate 16, of the lifting rod 23 penetrates through the rectangular sliding hole 22, the rack 24 is fixedly installed at one end, located in the blanking hole 14, of the lifting rod 23, and the lifting plate 16 is driven to move up and down by the lifting rod 23 and the rack 24 through the up-and-down reciprocating operation of the lifting plate 16.

In this embodiment, bearing frame 25 fixed mounting is on one side inner wall of blanking hole 14, pivot 26 rotates and installs on bearing frame 25, gear 27 fixed cover is established on pivot 26, gear 27 meshes with rack 24 mutually, S type kickoff lever 28 fixed mounting is in the one end that bearing frame 25 was kept away from to pivot 26, through the meshing transmission that utilizes gear 27 and rack 24, steerable S type kickoff lever 28 rotates, utilize the rotation of S type kickoff lever 28, make the waste material that falls to in blanking hole 14 can smoothly discharge, avoid the waste material to pile up and cause blanking hole 14 to block up and influence subsequent work of punching a hole in blanking hole 14.

In this embodiment, the lower die holder 1 is fixedly mounted on a platform or a frame, a hydraulic cylinder is mounted on the platform or the frame, the die shank 8 is fixedly connected with an output shaft end of the hydraulic cylinder, and the hydraulic cylinder is used for controlling the upper die holder 3, the punch fixing plate 4 and the punch 5 to vertically lift, so that the die assembly and the die stripping operation are realized.

In summary, in the punching and blanking device provided by the present invention, during operation, a metal plate to be processed is placed on the female die 2, the upper die holder 3, the male die holder 4 and the male die 5 are controlled to vertically descend, that is, the female die 2 and the male die 5 are controlled to close the dies, so that the four guide posts 12, the multiple punches 10 and the multiple punch pins 11 descend, the bottom ends of the four guide posts 12 are respectively inserted into the corresponding shaft sleeves 7, the multiple punch pins 11 are firstly utilized to punch the metal plate, the male die holder 3, the male die holder 4 and the male die 5 continue to descend, the male die 5 and the multiple punches 10 are utilized to sequentially perform blanking processing and flatness shaping processing on the metal plate, waste generated by punching can be discharged through the blanking hole 14, after the metal plate is processed, the upper die holder 3, the male die holder 4 and the male die 5 are controlled to vertically ascend, the demoulding of the female die 2 and the male die 5 can be controlled, thereby realizing the punching and blanking integrated operation of metal plates, effectively improving the production and processing efficiency and improving the qualification rate of products, when the female die 2 and the male die 5 are subjected to mould closing, the male die 5 pushes the female die 2 to move downwards, so that the female die 2 drives the four support columns 17 and the four lifting plates 16 to slide downwards, the four upper springs 18 and the four lower springs 19 are deformed under stress to generate elasticity, when the female die 2 and the male die 5 are demoulded, the female die 2 is lifted to restore the original position under the elastic force action of the four upper springs 18 and the four lower springs 19, thereby utilizing the elastic force action of the four upper springs 18 and the four lower springs 19, effectively buffering and damping the impact force generated when the female die 2 and the male die 5 are closed, and avoiding the female die 2 and the male die 5 from being damaged due to the impact force generated by mould closing for a long time, the life of extension equipment, in carrying out compound die or drawing of patterns in-process, make lifter plate 16 drive lifter 23 and rack 24 carry out reciprocating motion from top to bottom, utilize the meshing transmission of gear 27 and rack 24, steerable S type kickoff pole 28 carries out the reciprocity and rotates, utilize the rotation of S type kickoff pole 28, make the waste material that falls to in blanking hole 14 smoothly discharge, avoid the waste material to pile up and cause blanking hole 14 to block up and influence subsequent work of punching a hole in blanking hole 14, guarantee that work goes on smoothly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a punching doffer which characterized in that includes: the die comprises a lower die holder (1), a female die (2) is fixedly mounted at the top of the lower die holder (1), an upper die holder (3) is arranged right above the female die (2), a male die fixing plate (4) is fixedly mounted at the bottom of the upper die holder (3), a male die (5) is arranged at the bottom of the male die fixing plate (4), four male die bolts (9) which are symmetrically arranged in pairs are mounted at the bottom of the male die fixing plate (4), the male die (5) and the male die fixing plate (4) are fixedly connected through the four male die bolts (9), a plurality of punches (10) are fixedly mounted at the bottom of the male die fixing plate (4), the male die (5) is located right above the female die (2), a plurality of punching needles (11) are fixedly mounted at the bottom of the male die (5), and a die shank (8) is fixedly mounted at the top of the upper die holder (3), the bottom of the upper die holder (3) is fixedly provided with four guide posts (12) which are arranged symmetrically in pairs, a die core (6) is arranged at the top of the female die (2), a female die insert (13) is fixedly arranged in the die core (6), four shaft sleeves (7) which are symmetrically arranged in pairs are fixedly arranged in the female die (2), the top ends of the four shaft sleeves (7) extend out of the female die (2), the four guide posts (12) are respectively positioned right above the corresponding shaft sleeves (7), the top of the lower die base (1) is provided with a blanking hole (14), the blanking hole (14) is communicated with the die core (6), four cavities (15) which are arranged symmetrically in pairs are arranged in the lower die holder (1), four buffer mechanisms are arranged on the lower die holder (1) in a pairwise symmetrical mode.

2. A punching and blanking device according to claim 1, wherein the buffering mechanism comprises a lifting plate (16), a supporting column (17), an upper spring (18), a lower spring (19), a damping pad (20), two guide rods (21) and a material shifting assembly, the lifting plate (16) is slidably mounted in a cavity (15), the supporting column (17) is fixedly mounted at the top of the lifting plate (16), a through hole is formed in the inner wall of the top of the cavity (15), the top end of the supporting column (17) penetrates through the through hole and is fixedly connected with the bottom of the female die (2), the upper spring (18) is fixedly mounted at the top of the lower die holder (1), the upper spring (18) is sleeved on the supporting column (17), and the top end of the upper spring (18) is fixedly connected with the bottom of the female die (2).

3. A punch blanking device according to claim 2, characterized in that the lower spring (19) is fixedly mounted at the bottom of the lifting plate (16), the damping pad (20) is fixedly mounted on the inner wall of the bottom of the cavity (15), and the bottom end of the lower spring (19) is fixedly connected with the top of the damping pad (20).

4. A punch blanking device according to claim 2, characterized in that both guide rods (21) are fixedly mounted in the cavity (15), and the lifting plate (16) is slidably fitted over both guide rods (21).

5. A punching and blanking device according to claim 2, wherein the material shifting assembly comprises a lifting rod (23), a rack (24), a bearing seat (25), a rotating shaft (26), a gear (27) and an S-shaped material shifting rod (28), a rectangular sliding hole (22) is formed in the inner wall of one side of the cavity (15), the rectangular sliding hole (22) is communicated with the blanking hole (14), the lifting rod (23) is fixedly installed on one side of the lifting plate (16), one end, far away from the lifting plate (16), of the lifting rod (23) penetrates through the rectangular sliding hole (22), and the rack (24) is fixedly installed at one end, located in the blanking hole (14), of the lifting rod (23).

6. A punching and blanking device according to claim 5, wherein the bearing seat (25) is fixedly installed on the inner wall of one side of the blanking hole (14), the rotating shaft (26) is rotatably installed on the bearing seat (25), the gear (27) is fixedly sleeved on the rotating shaft (26), the gear (27) is meshed with the rack (24), and the S-shaped material shifting rod (28) is fixedly installed at one end of the rotating shaft (26) far away from the bearing seat (25).

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