CN219443076U

CN219443076U - Narrow tooth punching die structure

Info

Publication number: CN219443076U
Application number: CN202320116079.9U
Authority: CN
Inventors: 陈希; 陈辉; 张明生
Original assignee: Taizhou Haiying Electromechanical Co ltd
Current assignee: Taizhou Haiying Electromechanical Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-08-01
Anticipated expiration: 2033-02-06

Abstract

The utility model relates to the field of punching dies and discloses a narrow-tooth punching die structure which comprises a base, wherein a lower die holder is slidably connected to the middle of the top end of the base, electric telescopic rods are fixedly connected to the periphery of the top end of the base corresponding to the lower die holder, guide rods are fixedly connected to the front side and the rear side of the top end of the base, the top end of each electric telescopic rod is fixedly connected with an upper die holder, a female die is fixedly connected to the middle of the bottom end of the upper die holder, a die shank is fixedly connected to the middle of the top end of the upper die holder, guide holes are formed in the front side and the rear side of the top end of the upper die holder, a male die is fixedly connected to the middle of the bottom end of the lower die holder, a jacking block is slidably connected to the outer diameter of the male die, and connecting shafts are fixedly connected to the left side and the right side of the bottom end of the jacking block. According to the utility model, through the mutual matching among the structures of the lower die base, the male die, the top block, the connecting shaft, the tension spring and the like, the purpose of facilitating demoulding is realized, and excessive adhesion between a workpiece and the die is prevented.

Description

Narrow tooth punching die structure

Technical Field

The utility model relates to the field of punching dies, in particular to a narrow-tooth punching die structure.

Background

The rotor punching sheet of the permanent magnet motor is characterized in that the teeth are particularly narrow, the size of the lightening hole of the punching sheet is large, and the spacing between the punching sheet grooves with narrow teeth is less than 1mm. The die processing cost is the lowest when the punching sheet is produced in batches, but the die manufacturing difficulty is high, if the traditional lower blanking die structure is adopted, the die strength is very low, the service life of the die is short, and the manufacturing cost is indirectly increased. This patent designs a narrow tooth mould structure, guarantees mould intensity and life and has reduced processing cost.

In the prior art, in the process of stamping a plate, the workpiece is larger in pressure, after the workpiece is formed, the workpiece and the die possibly have larger adhesive force, the processed workpiece is difficult to take out easily, the lower die bases of some dies are fixed through the traditional bolt connection, the die is not easy to detach, a large amount of manpower is needed during die disassembly, and time and labor are wasted.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a narrow-tooth punching die structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a narrow tooth punching die structure, includes the base, base top middle part sliding connection has the die holder, the equal fixedly connected with electric telescopic handle all around of base top correspondence die holder, both sides all fixedly connected with guide bar around the base top, electric telescopic handle top fixedly connected with upper die base, upper die base bottom middle part fixedly connected with die, both sides all are provided with the guiding hole around the upper die base top, die base bottom middle part fixedly connected with terrace die, terrace die external diameter sliding connection has the kicking block, the equal fixedly connected with connecting axle of bottom left and right sides of kicking block, the equal fixedly connected with extension spring of connecting axle bottom.

As a further description of the above technical solution:

the bottom end of the lower die holder is connected with a connecting plate in a sliding manner, and the left end and the right end of the connecting plate are fixedly connected with supporting blocks.

As a further description of the above technical solution:

vertical grooves are formed in the left side and the right side of the top end of the base, which correspond to the lower portions of the supporting blocks, and connecting columns are fixedly connected to the bottom ends of the connecting plates.

As a further description of the above technical solution:

the spliced pole bottom fixedly connected with pulley, pulley bottom sliding connection has the fixed block.

As a further description of the above technical solution:

the inside one side that is close to the fixed block of base is provided with the spout, base front end threaded connection has the threaded rod, threaded rod front end fixedly connected with knob.

As a further description of the above technical solution:

the rear end of the threaded rod is rotationally connected to the front end of the fixed block.

As a further description of the above technical solution:

the size of the sliding groove is matched with the size of the fixed block.

As a further description of the above technical solution:

the size of the guide hole is matched with the size of the guide rod, and the top end of the fixed block is provided with an inclined plane.

The utility model has the following beneficial effects:

1. according to the utility model, the workpiece punched on the male die is separated from the male die through the mutual matching among the structures of the lower die base, the male die, the top block, the connecting shaft, the tension spring and the like, so that the purpose of facilitating demoulding is realized, and excessive adhesion between the workpiece and the die is prevented.

2. According to the utility model, the lower die holder positioned on the connecting block is ejected out of the base through the mutual matching among structures such as the connecting column, the pulley, the fixed block, the threaded rod and the like, so that the purpose of convenient disassembly and assembly of the die is realized.

Drawings

FIG. 1 is a perspective view of a narrow tooth punching die structure according to the present utility model;

fig. 2 is a schematic structural view of a narrow tooth punching die structure according to the present utility model;

FIG. 3 is a schematic structural view of the internal structure of a lower die holder of a narrow tooth punching die provided by the utility model;

fig. 4 is a schematic structural view of an internal structure of a base of a narrow tooth punching die according to the present utility model.

Legend description:

1. a base; 2. an electric telescopic rod; 3. an upper die holder; 4. a female die; 5. a lower die holder; 6. a male die; 7. a top block; 8. a connecting shaft; 9. a tension spring; 10. a connecting plate; 11. a vertical groove; 12. a support block; 13. a connecting column; 14. a pulley; 15. a fixed block; 16. a threaded rod; 17. a chute; 18. a knob; 19. a die handle; 20. a guide rod; 21. and a guide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a narrow tooth punching die structure, the on-line screen storage device comprises a base 1, base 1 top middle part sliding connection has die holder 5, all around that base 1 top corresponds die holder 5 all fixedly connected with electric telescopic handle 2, both sides all fixedly connected with guide bar 20 around the base 1 top, electric telescopic handle 2 top fixedly connected with upper die holder 3, upper die holder 3 bottom middle part fixedly connected with die 4, upper die holder 3 top middle part fixedly connected with die shank 19, both sides all are provided with guiding hole 21 around the upper die holder 3 top, die holder 5 bottom middle part fixedly connected with terrace die 6, terrace die 6 external diameter sliding connection has kicking block 7, the bottom left and right sides of kicking block 7 all fixedly connected with connecting axle 8, connecting axle 8 bottom all fixedly connected with extension spring 9, through putting the work piece on 6 terrace dies, the upper die holder 3 is driven to move downwards through the electric telescopic rod 2, the male die 6 is driven to move downwards through the electric telescopic rod 2 to press a workpiece on the female die 4, after the material on the female die 4 is pressed into the workpiece, a top block 7 is connected with the outer diameter of the female die 4, a connecting shaft 8 is connected with the bottom end of the top block 7 and is connected with the tension spring 9 through the connecting shaft 8, so that after the female die 4 is pressed downwards by the male die 6, the workpiece is positioned at the top end of the male die 6, then the female die 4 is driven to move upwards by the electric telescopic rod 2, and then the tension spring 9 drives the top block 7 to move upwards to push out the workpiece on the male die 6, thereby realizing the purpose that the die is convenient to demould, preventing the workpiece from being bonded with the male die 6 under the pressure of the female die 4, and facilitating the production and demoulding of the workpiece.

The bottom end of the lower die holder 5 is slidably connected with a connecting plate 10, the left end and the right end of the connecting plate 10 are fixedly connected with supporting blocks 12, vertical grooves 11 are arranged below the supporting blocks 12 corresponding to the left side and the right side of the top end of the base 1, the supporting blocks 12 can move up and down conveniently, the bottom end of the connecting plate 10 is fixedly connected with a connecting column 13, the bottom end of the connecting column 13 is fixedly connected with a pulley 14, the pulley 14 can be driven to move up and down conveniently when sliding on the inclined plane of the fixed block 15 conveniently, the bottom end of the pulley 14 is slidably connected with the fixed block 15, a chute 17 is arranged at one side of the base 1, which is close to the fixed block 15, the fixed block 15 can move conveniently, the front end of the base 1 is connected with a threaded rod 16 in a threaded manner, the knob 18 is fixedly connected with the front end of the threaded rod 16, the threaded rod 16 is convenient to push the fixed block 15, the rear end of the threaded rod 16 is rotationally connected to the front end of the fixed block 15, the threaded rod 16 can push the fixed block 15 to move conveniently, the sliding chute 17 is matched with the fixed block 15 in size, the fixed block 15 can move in the sliding chute 17 conveniently, the guide hole 21 is matched with the guide rod 20 in size, the guide rod 20 can move conveniently in the guide hole, accurate contact between the female die 4 and the male die 6 is ensured, the top end of the fixed block 15 is set to be an inclined plane, and the connecting column 13 can be driven to move up and down when the pulley 14 moves on the inclined plane conveniently.

Working principle: when the narrow tooth work piece is stamped, through putting the work piece on 6 terrace dies, drive the upper die base 3 through electric telescopic handle 2 and move down, drive terrace die 6 through electric telescopic handle 2 and carry out the moulding-die to the work piece that is located on die 4, material that is located on die 4 is pressed into the work piece after, be connected with ejector pad 7 through die 4 external diameter, be connected with connecting axle 8 through ejector pad 7 bottom, be connected with extension spring 9 through connecting axle 8, so after die 4 is pressed down by terrace die 6, the work piece is located the top of terrace die 6, afterwards, die 4 upwards moves under electric telescopic handle 2's drive, then extension spring 9 drives ejector pad 7 upwards move, with the work piece that is located on terrace die 6 ejecting, the purpose of mould be convenient for drawing of patterns has been realized, the pressure of work piece under die 4 has been prevented and punch die 6 has been bonded, thereby make things convenient for the production and the drawing of patterns of work piece, be driven fixed block 15 through threaded rod 16 and move in spout 17 in base 1, be provided with spout 17 and fixed block 15 can slide in spout 17 through base 1, set up into the inclined plane through the top of fixed block 15, be connected with the connecting plate 10 bottom fixed connection 13 through the connecting plate 10, thereby can be moved in the connecting plate 10 and the fixed die base 10 and the bottom of die base 10 is connected with the fixed die base 10 through the fixed die carrier 10, thereby the top end is connected with the lower die base 10 and the top of the fixed die carrier 10, the connecting plate is convenient for moving down, and the connecting plate is moved 5, and is moved in time-set up and is convenient for be moved from the upper die base 5, and is convenient to be moved and is moved down by the connecting plate 5, and is convenient to be moved and is in a lower die base and is convenient to be in a lower die base and has a stand 5.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a narrow tooth punching die structure, includes base (1), its characterized in that: base (1) top middle part sliding connection die holder (5), all around equal fixedly connected with electric telescopic handle (2) of die holder (5) are corresponded on base (1) top, both sides all fixedly connected with guide bar (20) around base (1) top, electric telescopic handle (2) top fixedly connected with upper die holder (3), upper die holder (3) bottom middle part fixedly connected with die (4), upper die holder (3) top middle part fixedly connected with die shank (19), both sides all are provided with guiding hole (21) around upper die holder (3) top, die holder (5) bottom middle part fixedly connected with terrace die (6), terrace die (6) external diameter sliding connection top block (7), all fixedly connected with connecting axle (8) in the bottom left and right sides of top block (7), all fixedly connected with extension spring (9) in connecting axle (8) bottom.

2. A narrow tooth punch die structure as claimed in claim 1, wherein: the bottom end of the lower die holder (5) is slidably connected with a connecting plate (10), and the left end and the right end of the connecting plate (10) are fixedly connected with supporting blocks (12).

3. A narrow tooth punch die structure as claimed in claim 2, wherein: vertical grooves (11) are formed in the lower portions of the left side and the right side of the top end of the base (1) corresponding to the supporting blocks (12), and connecting columns (13) are fixedly connected to the bottom end of the connecting plate (10).

4. A narrow tooth punch die structure as claimed in claim 3, wherein: the pulley (14) is fixedly connected to the bottom end of the connecting column (13), and the fixed block (15) is slidably connected to the bottom end of the pulley (14).

5. A narrow tooth punch die structure as claimed in claim 1, wherein: one side of the base (1) which is close to the fixed block (15) is provided with a sliding groove (17), the front end of the base (1) is connected with a threaded rod (16) in a threaded mode, and the front end of the threaded rod (16) is fixedly connected with a knob (18).

6. The narrow teeth stamping die structure as defined in claim 5, wherein: the rear end of the threaded rod (16) is rotatably connected with the front end of the fixed block (15).

7. The narrow teeth stamping die structure as defined in claim 5, wherein: the size of the sliding groove (17) is matched with the size of the fixed block (15).

8. The narrow teeth stamping die structure as defined in claim 5, wherein: the size of the guide hole (21) is matched with the size of the guide rod (20), and the top end of the fixed block (15) is provided with an inclined plane.