CN218891075U

CN218891075U - Stamping die capable of punching multiple holes at one time

Info

Publication number: CN218891075U
Application number: CN202223588923.2U
Authority: CN
Inventors: 赖秋林; 刘正鑫; 温斌
Original assignee: Shanghai Keyida Precision Machinery Co ltd
Current assignee: Shanghai Keyida Precision Machinery Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-04-21
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to a stamping die capable of stamping a plurality of holes at one time, which belongs to the technical field of stamping dies and comprises a lower die, wherein ear plates are fixedly connected to two sides of the lower die, hydraulic rods are fixedly connected to the upper surfaces of the ear plates, the top ends of the two hydraulic rods are fixedly connected with an upper die through the ear plates, an electric push rod is fixedly connected to the inside of the upper die, and a stamping plate is fixedly connected to the bottom end of the electric push rod. Through bed die, otic placode, hydraulic stem, go up mould, electric putter, stamping plate, mounting groove, stamping plate, installation screw and fixed subassembly's cooperation use, but the stamping plate of the different position stamping rod of quick replacement installation through fixed subassembly can improve stamping die's application scope, can punch a plurality of punching a hole to the work piece as required, avoids changing different stamping die when punching press different positions's hole, avoids increasing cost.

Description

Stamping die capable of punching multiple holes at one time

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping die capable of punching a plurality of holes at one time.

Background

Stamping dies are a special piece of process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in a cold stamping process. Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press machine to be separated or plastically deformed, thereby obtaining a desired part.

As disclosed in the patent publication CN111545645a, a stamping die for one-step forming of blanking and riveting is disclosed, which avoids repeated positioning of the workpiece and improves the processing precision of the product although the blanking and riveting process of the material strip is completed by one-step stamping, but when the stamping die in the prior art punches a plurality of positions on the workpiece, because the hole size required by each workpiece is different, the stamping rod of the stamping die in the prior art needs to use the stamping rod with different diameters, and the stamping rod of the stamping die in the prior art has the problem that the stamping rod with different sizes is inconvenient to be replaced quickly as required, when the workpiece is punched with holes with different diameters, a plurality of stamping dies are required, which is easy to cause the condition of increasing cost, therefore, we propose a stamping die capable of punching a plurality of holes at one time.

Disclosure of Invention

In order to solve the problems, the utility model provides a stamping die capable of stamping a plurality of holes at one time, which is provided with holes with different aperture sizes for simultaneously stamping a workpiece, so that the application range of the stamping die is enlarged, and the cost is reduced.

The technical scheme of the utility model is as follows: the utility model provides a stamping die that can dash a plurality of holes once, includes the bed die, the equal fixedly connected with otic placode in both sides of bed die, the last fixed surface of otic placode is connected with the hydraulic stem, two the top of hydraulic stem passes through otic placode fixedly connected with mould, the inside fixedly connected with electric putter of mould, electric putter's bottom fixedly connected with punching press board, the mounting groove has been seted up to the bottom of punching press board, the punching plate has been placed to the inside of mounting groove, the both sides of punching plate all are equipped with fixed subassembly, the installation screw has been seted up to the bottom of punching plate, a plurality of the inside threaded connection of installation screw has the installation screw, the one end fixedly connected with punching pin of installation screw.

In further technical scheme, the punching press groove has been seted up to the inside of bed die, the inside sliding connection in punching press groove has the top frame, the inside sliding connection of bed die has the collection frame, the blanking groove has been seted up to the bottom of punching press inslot wall, the inside of bed die is equipped with ejecting subassembly.

In a further technical scheme, the fixed subassembly is including seting up and in the fixed slot of punching plate bottom, fixed screw has been seted up to the inner wall of fixed slot and mounting groove, the inside threaded connection of fixed screw is at fixing screw.

In further technical scheme, ejecting subassembly is including seting up at the inside recess of bed die, the inner wall fixedly connected with slide bar of recess, the surface sliding sleeve of slide bar has cup jointed the sliding sleeve, one side fixedly connected with connecting rod of sliding sleeve, the one end and the top frame fixed connection of connecting rod, the surface cover of slide bar has the compression spring that one end and sliding sleeve are connected.

In a further technical scheme, the four corners of the upper surface of the lower die are fixedly connected with L-shaped limiting plates, the upper surface of the lower die is provided with positioning holes, the bottom of the upper die is fixedly connected with positioning rods, and one ends of the positioning rods are arranged in the positioning holes.

In a further technical scheme, the sliding port is formed in two sides of the inner wall of the punching groove, and one end of the connecting rod is connected with the inside of the sliding port in a sliding mode.

The beneficial effects of the utility model are as follows:

1. the stamping plate with the stamping rods at different positions can be quickly replaced by rotating the fixing screw rod to separate from the fixing screw hole under the action of threads, so that the application range of the stamping die can be improved, a plurality of holes can be punched on a workpiece according to the requirement, a plurality of holes can be punched at one time, and the cost is avoided being increased by replacing different stamping dies when the holes at different positions are punched;

2. through the cooperation of punching press groove, ejector frame, collection frame, blanking groove and ejecting subassembly, the thrust of accessible compression spring has promoted the sliding sleeve and has slided on the surface of slide bar, and the sliding sleeve has promoted the connecting rod and has slided in the inside of smooth mouth, and the connecting rod has promoted the ejector frame and has slided, can be to the inside of the ejecting punching press groove of work piece after punching a hole through the ejector frame to can play the ejecting effect to the work piece after the punching press.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a fixing assembly according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view showing the internal structure of a lower mold according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with an embodiment of the present utility model;

reference numerals illustrate:

1. a lower die; 2. ear plates; 3. a hydraulic rod; 4. an upper die; 5. an electric push rod; 6. a stamping plate; 7. a mounting groove; 8. punching; 9. installing a screw hole; 10. installing a screw; 11. a plunger; 12. stamping a groove; 13. a top frame; 14. a collection frame; 15. a material dropping groove; 16. a fixing groove; 17. fixing the screw holes; 18. a fixed screw; 19. a groove; 20. a slide bar; 21. a sliding sleeve; 22. a connecting rod; 23. a compression spring; 24. an L-shaped limiting plate; 25. positioning holes; 26. a positioning rod; 27. and sliding the mouth.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1-4, a stamping die capable of punching a plurality of holes at a time comprises a lower die 1, two sides of the lower die 1 are fixedly connected with lug plates 2, the upper surfaces of the lug plates 2 are fixedly connected with hydraulic rods 3, the top ends of the two hydraulic rods 3 are fixedly connected with an upper die 4 through the lug plates 2, the inside of the upper die 4 is fixedly connected with an electric push rod 5, the bottom end of the electric push rod 5 is fixedly connected with a stamping plate 6, the bottom of the stamping plate 6 is provided with a mounting groove 7, a stamping plate 8 is placed in the mounting groove 7, two sides of the stamping plate 8 are respectively provided with a fixing component, the bottom of the stamping plate 8 is provided with a mounting screw hole 9, internal threads of the mounting screw holes 9 are connected with mounting screws 10, one end of each mounting screw rod 10 is fixedly connected with a stamping rod 11, each fixing component comprises a fixing groove 16 formed in the bottom of the stamping plate 8, the fixing groove 16 and the inner wall of the mounting groove 7 are provided with a fixing screw hole 17, and internal threads of the fixing screw hole 17 are connected with a fixing screw rod 18.

The working principle of the technical scheme is as follows:

the installation screw rod 10 is driven to rotate through the rotation of the punching rod 11, the threads are arranged in the installation screw hole 9 under the action of the threads, the punching rod 11 with different sizes can be conveniently installed and replaced, the fixing screw rod 18 is rotated, the fixing screw hole 17 is separated from the punching plate 6 under the action of the threads, the punching plate 8 of the punching rod 11 at different positions can be quickly replaced, the application range of the punching die can be improved, a plurality of punched holes can be punched on a workpiece at the same time as required, a plurality of holes can be punched once, different punching dies are prevented from being replaced when the holes at different positions are punched, and the cost is prevented from being increased.

In another embodiment, as shown in fig. 1, 3 and 4, a punching groove 12 is formed in the lower die 1, a top frame 13 is slidably connected in the punching groove 12, a collecting frame 14 is slidably connected in the lower die 1, a blanking groove 15 is formed in the bottom of the inner wall of the punching groove 12, an ejection assembly is arranged in the lower die 1 and comprises a groove 19 formed in the lower die 1, a slide rod 20 is fixedly connected to the inner wall of the groove 19, a sliding sleeve 21 is sleeved on the surface of the slide rod 20 in a sliding manner, a connecting rod 22 is fixedly connected to one side of the sliding sleeve 21, one end of the connecting rod 22 is fixedly connected with the top frame 13, a compression spring 23 with one end connected with the sliding sleeve 21 is sleeved on the surface of the slide rod 20, sliding ports 27 are formed in two sides of the inner wall of the punching groove 12, and one end of the connecting rod 22 is slidably connected in the sliding ports 27.

Through placing the work piece on the upper surface of top frame 13, then when the work piece is gone down to the surface of work piece through pressing board 6, continue to promote, make a plurality of punch rods 11 punch a hole to the surface of work piece, the thrust through compression spring 23 has promoted sliding sleeve 21 and has slided the surface at slide bar 20 after punching a hole, sliding sleeve 21 has promoted connecting rod 22 and has slided the inside at slide opening 27, connecting rod 22 has promoted top frame 13 to slide up, can be to the inside of the ejecting punching groove 12 of work piece after punching a hole through top frame 13, thereby can play the ejecting effect to the work piece after punching a hole.

In another embodiment, as shown in fig. 1 and 3, the four corners of the upper surface of the lower mold 1 are fixedly connected with L-shaped limiting plates 24, the upper surface of the lower mold 1 is provided with positioning holes 25, the bottom of the upper mold 4 is fixedly connected with positioning rods 26, and one ends of the positioning rods 26 are arranged inside the positioning holes 25.

The workpiece can be position-limited by the L-shaped limiting plate 24, and the lower die 1 and the upper die 4 can be position-positioned by the positioning rod 26 and the positioning hole 25.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. Stamping die that can punch a plurality of holes once, including bed die (1), its characterized in that: the utility model discloses a die, including lower mould (1), fixed surface, mounting screw (10) and mounting screw (10), mounting groove (7) have been seted up to the bottom of stamping plate (6), punch plate (8) have been placed to the inside of mounting groove (7), fixed subassembly has all been equipped with to the both sides of punch plate (8), installation screw (9) have been seted up to the bottom of punch plate (8), a plurality of inside threaded connection of installation screw (9) has been installed screw (10) to the top of hydraulic pressure pole (3) through otic placode (2) fixedly connected with upper mould (4), the one end fixedly connected with punch rod (11) of installation screw (10).

2. A stamping die for stamping a plurality of holes at a time as defined in claim 1, wherein: the inside of bed die (1) has seted up punching press groove (12), the inside sliding connection of punching press groove (12) has top frame (13), the inside sliding connection of bed die (1) has collection frame (14), blanking groove (15) have been seted up to the bottom of punching press groove (12) inner wall, the inside of bed die (1) is equipped with ejecting subassembly.

3. A stamping die for stamping a plurality of holes at a time as defined in claim 1, wherein: the fixing assembly comprises a fixing groove (16) formed in the bottom of the punching plate (8), fixing screw holes (17) are formed in the inner walls of the fixing groove (16) and the mounting groove (7), and the inner threads of the fixing screw holes (17) are connected with a fixing screw rod (18).

4. A stamping die for stamping a plurality of holes at a time as defined in claim 2, wherein: the ejector assembly comprises a groove (19) formed in the lower die (1), a sliding rod (20) is fixedly connected to the inner wall of the groove (19), a sliding sleeve (21) is sleeved on the surface of the sliding rod (20) in a sliding mode, a connecting rod (22) is fixedly connected to one side of the sliding sleeve (21), one end of the connecting rod (22) is fixedly connected with the top frame (13), and a compression spring (23) with one end connected with the sliding sleeve (21) is sleeved on the surface of the sliding rod (20).

5. A stamping die for stamping a plurality of holes at a time as defined in claim 1, wherein: the positioning device is characterized in that L-shaped limiting plates (24) are fixedly connected to four corners of the upper surface of the lower die (1), positioning holes (25) are formed in the upper surface of the lower die (1), positioning rods (26) are fixedly connected to the bottom of the upper die (4), and one ends of the positioning rods (26) are arranged in the positioning holes (25).

6. The stamping die capable of stamping a plurality of holes at one time as claimed in claim 4, wherein: sliding openings (27) are formed in two sides of the inner wall of the stamping groove (12), and one end of the connecting rod (22) is connected inside the sliding openings (27) in a sliding mode.