CN213826588U

CN213826588U - Stamping die for metal plate

Info

Publication number: CN213826588U
Application number: CN202022666715.4U
Authority: CN
Inventors: 谢玲玲; 章芳芳
Original assignee: Kunshan Lehe Precision Hardware Co ltd
Current assignee: Kunshan Lehe Precision Hardware Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-30
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a stamping die for metal sheets, the utility model relates to the technical field of stamping die, the stamping die for metal sheets comprises a base, two support columns which are arranged symmetrically left and right are fixedly connected with the upper end of the base, a top plate is fixedly connected with the upper end of the support columns, a placing box is fixedly connected with the middle part of the lower end of the top plate, a hydraulic cylinder is placed inside the placing box, and the lower end of the hydraulic cylinder is movably connected with a movable rod; start electric telescopic handle for electric telescopic handle 1 drives the movable block rebound of upper end, because of the movable block upper end contacts with the die lower extreme, so the movable block just can jack-up the die, makes the die pass through the fixed axle to the outside, and the movable block up-motion under expanding spring's elasticity effect simultaneously saves staff's time with the ejecting die of sheet metal, increases the security when drawing the mould, has improved the efficiency of work.

Description

Stamping die for metal plate

Technical Field

The utility model belongs to the technical field of stamping die technique and specifically relates to a stamping die for sheet metal is related to.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping, also called cold stamping die, and stamping is a pressure processing method for applying pressure to the materials by using a die arranged on a press machine at room temperature to generate separation or plastic deformation so as to obtain required parts.

The existing stamping die is matched with the female die through the male die, so that objects are formed by stamping, the stripping of the device is inconvenient, the time consumption is caused, the working efficiency is reduced, and when the stamping is carried out, the metal plate is difficult to clamp, the metal plate is difficult to fall off or deviate in the stamping process, the metal plate is damaged, and the processing quality of the metal plate is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stamping die for sheet metal, all mutually support through between terrace die and the die to the stamping die who solves above-mentioned background art and proposes, make the article by stamping forming, but comparatively inconvenient to the drawing of die of device, lead to consuming time, make work efficiency reduce, and when carrying out the punching press, be difficult to press from both sides sheet metal tight, lead to droing or squinting in stamping process, make sheet metal take place to damage, influence sheet metal's processingquality's problem.

In order to achieve the purpose, the adopted technical scheme is as follows:

a stamping die for sheet metal comprises a base;

the upper end of the base is fixedly connected with two support columns which are symmetrically arranged left and right, the upper ends of the support columns are fixedly connected with a top plate, the middle part of the lower end of the top plate is fixedly connected with a placing box, a hydraulic cylinder is placed in the placing box, the lower end of the hydraulic cylinder is movably connected with a movable rod, and the lower end of the movable rod is fixedly connected with a male die;

the middle part of the upper end of the base is provided with a movable groove, the lower end of the inner part of the movable groove is fixedly connected with two fixed shafts which are symmetrically distributed leftwards and rightwards, two female dies which are symmetrically distributed leftwards and rightwards are arranged in the movable groove, the middle position of the lower end of the inner part of the movable groove is provided with a through groove communicated with the movable groove, the bottom of the through groove is fixedly connected with an electric telescopic rod, the outer side of the electric telescopic rod is wound with a telescopic spring, and the upper end of the electric telescopic rod is fixedly connected with a movable block;

the base upper end is close to the intermediate position and opens the spout that has two bilateral symmetry distributions, two the inside equal sliding connection of spout has the slider, the inside fixedly connected with tension spring between one side and the slider that leans on outside, two of spout the equal fixedly connected with fixed plate in one side that the slider upper end leaned on outside, the fixed plate leans on one side upper end fixedly connected with connecting plate in, the fixed plate leans on one side lower extreme in to be equipped with the lower plate, the connecting plate leans on the one end fixedly connected with U template in, lower plate upper surface middle part leans on outside fixedly connected with and U template assorted cardboard, the U template leans on the upper end fixedly connected with punch holder of inboard.

Furthermore, the lower end of the movable rod penetrates out of the placing box.

Furthermore, the lower ends of the left side and the right side of the two female dies are respectively sleeved with the two fixed shafts, the lower ends of the female dies are in contact with the lower end of the inner wall of the movable groove, and the two female dies are matched with the male dies.

Furthermore, the upper end of the movable block is positioned at the middle ends of the bottoms of the two female dies.

Further, sponge pads are bonded on the bottom of the upper clamping plate and one side, close to the inside, of the upper surface of the lower clamping plate.

Further, the connecting plate upper end is equipped with two bolts that the front and back symmetry was arranged, two the bolt end passes the connecting plate and runs through the lower plate bottom, the end threaded connection has the nut under the bolt outside, the nut is laminated with the lower plate bottom.

By adopting the technical scheme, the beneficial effects are as follows:

the electric telescopic rod is started, so that the electric telescopic rod 1 drives the movable block at the upper end to move upwards, and the movable block can jack up the female die due to the fact that the upper end of the movable block is in contact with the lower end of the female die, so that the female die is outward through the fixed shaft, meanwhile, the movable block moves upwards under the elastic action of the telescopic spring to push the metal plate out of the female die, the time of workers is saved, the safety during die stripping is improved, and the working efficiency is improved;

the user unscrews the back with the nut that both sides were equipped with along the screw on the bolt anticlockwise for the inboard fixture block of clamp splice just can be pulled from top to bottom in the U template down, will descend the clamp splice upwards move to with sheet metal certain height when, at this moment tightly clip it through lower plate according to sheet metal's height, at this moment screw up the nut clockwise again, just can fix sheet metal, and make sheet metal among the stamping process more stable like this.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall front plan structure of the present invention;

FIG. 2 is a schematic view of the expanded plane structure of the female mold of the present invention;

fig. 3 is a schematic view of a partially enlarged structure a of fig. 1 according to the present invention;

fig. 4 is a schematic view of the top plate of the present invention.

The labels in the figure are: 1. a base; 2. a support pillar; 3. a top plate; 4. placing the box; 5. a hydraulic cylinder; 6. a movable rod; 7. a male die; 8. a chute; 9. a slider; 10. a movable groove; 11. a through groove; 12. a female die; 13. a fixed shaft; 14. a movable block; 15, electrically driven telescopic rods; 16. a tension spring; 17. a fixing plate; 18. a connecting plate; 19. a lower splint; 20. clamping a plate; 21. a U-shaped plate; 22. an upper splint; 23. a sponge cushion; 24. a bolt; 25. a tension spring; 26. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model relates to a stamping die for metal plates, which comprises a base 1, wherein two support columns 2 which are symmetrically arranged left and right are fixedly connected to the upper end of the base 1, a top plate 3 is fixedly connected to the upper ends of the support columns 2, a placing box 4 is fixedly connected to the middle part of the lower end of the top plate 3, a hydraulic cylinder 5 is placed inside the placing box 4, the lower end of the hydraulic cylinder 5 is movably connected with a movable rod 6, a male die 7 is fixedly connected to the lower end of the movable rod 6, and the lower end of the movable rod 6 penetrates through the placing box 4;

a movable groove 10 is formed in the middle of the upper end of the base 1, two fixing shafts 13 which are bilaterally symmetrically distributed are fixedly connected to the lower end of the interior of the movable groove 10, two female dies 12 which are bilaterally symmetrically distributed are arranged in the interior of the movable groove 10, a through groove 11 communicated with the movable groove is formed in the middle of the lower end of the interior of the movable groove 10, an electric telescopic rod 15 is fixedly connected to the bottom of the through groove 11, a telescopic spring 16 is wound on the outer side of the electric telescopic rod 15, a movable block 14 is fixedly connected to the upper end of the electric telescopic rod 15, the lower ends of the left side and the right side of the two female dies 12 are respectively sleeved with the two fixing shafts 13, the lower ends of the female dies 12 are contacted with the lower end of the inner wall of the movable groove 10, the two female dies 12 are matched with the male dies 7, and the upper end of the movable block 14 is located at the middle ends of the bottoms of the two female dies 12;

the upper end of the base 1 is provided with two sliding chutes 8 which are symmetrically distributed left and right near the middle position, the insides of the two sliding chutes 8 are respectively connected with a sliding block 9 in a sliding manner, a tension spring 25 is fixedly connected between one side of the inside of the sliding chute 8 close to the outside and the sliding block 9, one sides of the outsides of the upper ends of the two sliding blocks 9 are respectively fixedly connected with a fixed plate 17, the upper end of one side of the fixed plate 17 close to the inside is fixedly connected with a connecting plate 18, the lower end of one side of the fixed plate 17 close to the inside is provided with a lower clamping plate 19, one end of the connecting plate 18 close to the inside is fixedly connected with a U-shaped plate 21, the middle part of the upper surface of the lower clamping plate 19 close to the outside is fixedly connected with a clamping plate 20 matched with the U-shaped plate 21, the upper end of the U-shaped plate 21 close to the inside is fixedly connected with an upper clamping plate 22, the bottom of the upper clamping plate 22 and one side of the upper surface of the lower clamping plate 19 close to the inside are both bonded with sponge pads 23, the upper ends of the connecting plate 18 are provided with two bolts 24 which are symmetrically distributed front and back, the tail ends of the two bolts 24 penetrate through the connecting plate 18 and penetrate through the bottom of the lower clamping plate 19, the lower ends of the outer sides of the bolts 24 are connected with nuts 26 in a threaded mode, and the nuts 26 are attached to the bottom of the lower clamping plate 19;

specifically, a user firstly places a metal plate to be punched above the female die 12, then the fixing plate 17 drives the sliding block 9 with the lower end fixed to slide in the sliding groove 8, so that the sliding block 9 pulls the tension spring 25 in the moving process, the fixing plates 17 on the left side and the right side are moved to positions close to the metal plate, the user unscrews the nuts 26 arranged on the two sides counterclockwise along the threads on the bolt 24, the fixture block 20 on the inner side of the lower clamping block 19 can be pulled up and down in the U-shaped plate 21, when the lower clamping block 19 is moved up to a certain height with the metal plate, the lower clamping block 19 clamps the metal plate according to the height of the metal plate, so that the metal plate is kept in a state that the metal plate cannot be loosened, at this time, the nut 26 is screwed down clockwise, the metal plate can be fixed, and the metal plate in the punching process is more stable, the sponge cushion 23 can protect the metal plate, prevent the metal plate from slipping and prevent the metal plate from being damaged;

further, after the sheet metal is placed, a user starts the hydraulic cylinder 5, so that the hydraulic cylinder 5 drives the movable rod 6 at the lower end to move up and down, and the movable rod 6 drives the male die 7 at the lower end to move, so that the male die 7 moves above the sheet metal, and the male die 7 is matched with the female die 12, so that when the male die 7 punches the sheet metal, the sheet metal is punched into the female die 12, and the sheet metal is fixed by the upper clamp plate 22 and the lower clamp plate 19, and through the arranged chute 8 and the tension spring 25, the sheet metal can drive the upper clamp plate 22 and the lower clamp plate 19 to move together during punching, so that the slide block 9 moves in the chute 8, and the tension spring 25 contracts or stretches;

further, after the punching press was accomplished, the user starts electric telescopic handle 15, make electric telescopic handle 15 drive the movable block 14 of upper end and upwards remove, contact with die 12 lower extreme because of movable block 14 upper end, so movable block 14 just can link two die 12 jack-ups, make two die 12 move to the outside through fixed axle 13, movable block 14 moves upwards under expanding spring 16's elastic force effect simultaneously, with ejecting die 12 of sheet metal, through the cooperation of movable block 14 with die 12, make the sheet metal of punching press completion ejecting in die 12, save staff's time, security when increasing the drawing, the efficiency of work has been improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stamping die for sheet metal, includes base (1), its characterized in that:

the upper end of the base (1) is fixedly connected with two support columns (2) which are symmetrically arranged left and right, the upper ends of the support columns (2) are fixedly connected with a top plate (3), the middle part of the lower end of the top plate (3) is fixedly connected with a placing box (4), a hydraulic cylinder (5) is placed in the placing box (4), the lower end of the hydraulic cylinder (5) is movably connected with a movable rod (6), and the lower end of the movable rod (6) is fixedly connected with a male die (7);

the middle part of the upper end of the base (1) is provided with a movable groove (10), the lower end in the movable groove (10) is fixedly connected with two fixed shafts (13) which are distributed in a bilateral symmetry manner, two concave molds (12) which are distributed in a bilateral symmetry manner are arranged in the movable groove (10), a through groove (11) communicated with the movable groove is arranged in the middle position of the lower end in the movable groove (10), the bottom of the through groove (11) is fixedly connected with an electric telescopic rod (15), the outer side of the electric telescopic rod (15) is wound with a telescopic spring (16), and the upper end of the electric telescopic rod (15) is fixedly connected with a movable block (14);

two sliding chutes (8) which are symmetrically distributed left and right are arranged at the upper end of the base (1) near the middle position, sliding blocks (9) are connected inside the two sliding chutes (8) in a sliding manner, a tension spring (25) is fixedly connected between one side of the inside of the sliding chute (8) close to the outside and the sliding blocks (9), a fixed plate (17) is fixedly connected with one side of the upper ends of the two sliding blocks (9) close to the outside, the upper end of one side of the fixing plate (17) close to the inside is fixedly connected with a connecting plate (18), a lower clamping plate (19) is arranged at the lower end of one side of the fixing plate (17) close to the inner part, a U-shaped plate (21) is fixedly connected with one end of the connecting plate (18) close to the inner part, a clamping plate (20) matched with the U-shaped plate (21) is fixedly connected to the middle part of the upper surface of the lower clamping plate (19) close to the outer side, the upper end of the U-shaped plate (21) close to the inner side is fixedly connected with an upper clamping plate (22).

2. A stamping die for sheet metal as claimed in claim 1, wherein: the lower end of the movable rod (6) penetrates through the placing box (4).

3. A stamping die for sheet metal as claimed in claim 1, wherein: the lower ends of the left side and the right side of the female die (12) are respectively sleeved with the two fixed shafts (13), the lower end of the female die (12) is in contact with the lower end of the inner wall of the movable groove (10), and the two female dies (12) are matched with the male die (7).

4. A stamping die for sheet metal as claimed in claim 1, wherein: the upper ends of the movable blocks (14) are positioned at the middle ends of the bottoms of the two female dies (12).

5. A stamping die for sheet metal as claimed in claim 1, wherein: sponge pads (23) are bonded on the bottom of the upper clamping plate (22) and one side of the upper surface of the lower clamping plate (19) close to the inside.

6. A stamping die for sheet metal as claimed in claim 1, wherein: the connecting plate (18) upper end is equipped with two bolts (24) of arranging around the symmetry, two bolt (24) end passes connecting plate (18) and runs through lower plate (19) bottom, bolt (24) outside lower extreme threaded connection has nut (26), nut (26) and lower plate (19) bottom laminating.