CN214601418U

CN214601418U - Stamping lower die

Info

Publication number: CN214601418U
Application number: CN202022703996.6U
Authority: CN
Inventors: 卢翠华
Original assignee: Jiangsu Chenyi Auto Parts Manufacturing Co ltd
Current assignee: Jiangsu Chenyi Auto Parts Manufacturing Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-11-05
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a punching press bed die, comprising a base plate, the upper end fixedly connected with bed die of bottom plate, the recess has been seted up to the inside of bed die, the inside fixedly connected with block rubber of recess, the inside contact of block rubber is connected with the machined part, machined part and bed die contact, the upper end fixedly connected with dead lever of bed die, the inside sliding connection of dead lever has the connecting rod, the outside fixedly connected with go-between of connecting rod, the inclined hole has been seted up to the inside of connecting rod, the inside sliding connection of inclined hole has the threaded rod, there is the connecting plate in the outside of threaded rod through threaded connection, connecting plate and dead lever fixed connection. The utility model discloses a design clamp splice and the contact of machined part, can play the effect of a centre gripping location to the machined part to reach and prevent to add rocking of work piece in the stamping process and lead to the coarse problem of punching press effect.

Description

Stamping lower die

Technical Field

The utility model relates to the technical field of dies, specifically be a stamping die down.

Background

Moulds (Mule) are used for obtaining various moulds and tools of required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The automobile part is called as an 'industrial female', and the automobile part needs to be formed by using a stamping die.

When the current stamping lower die is used, if a machined part rocks when stamping, the stamping effect is not accurate, and a larger impact force can be given to the lower die by the instantaneous driving device for stamping, so that the damage of the lower die can be caused, and the service life of the lower die is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping lower die, the machined part rocks when having solved the punching press and leads to processing inaccurate problem, has still solved the great problem that can lead to the bed die damage of impact force in the punching press process.

In order to achieve the above object, the utility model provides a following technical scheme: a stamping lower die comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a lower die, a groove is formed in the lower die, a rubber block is fixedly connected in the groove, the rubber block is in contact connection with a workpiece, the workpiece is in contact with the lower die, a fixed rod is fixedly connected at the upper end of the lower die, a connecting rod is slidably connected in the fixed rod, a connecting ring is fixedly connected at the outer side of the connecting rod, an inclined hole is formed in the connecting rod, a threaded rod is slidably connected in the inclined hole, a connecting plate is connected to the outer side of the threaded rod through threads, the connecting plate is fixedly connected with the fixed rod, a clamping block is fixedly connected on the connecting rod, the clamping block is in contact with the workpiece, a positioning seat is fixedly connected at the upper end of the bottom plate, and a positioning rod is slidably connected in the positioning seat, the upper end fixedly connected with clamp plate of locating lever, the spacing groove has been seted up to the lateral wall of locating lever.

The utility model discloses a further set up to: the outer side of the connecting rod is sleeved with a first spring in a sliding mode, and two ends of the first spring are respectively in contact with the fixing rod and the connecting ring.

The utility model discloses a further set up to: the upper end fixedly connected with change of threaded rod, the change is made for a rubber material.

The utility model discloses a further set up to: and a second spring is arranged in the positioning seat and is in contact with the positioning rod.

The utility model discloses a further set up to: the inside of positioning seat has stop screw through threaded connection, stop screw's tail end and spacing groove joint.

The utility model discloses a further set up to: the number of the clamping blocks is two, and the two clamping blocks are in contact with a workpiece.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design clamp splice and the contact of machined part, can play the effect of a centre gripping location to the machined part to reach and prevent to add rocking of work piece in the stamping process and lead to the coarse problem of punching press effect.

2. The utility model discloses a design clamp plate's effect, when carrying out the punching press, drive arrangement can earlier with the clamp plate contact, can drive the clamp plate and move down for the locating lever can push down the second spring and pass through the flexible effect of second spring, can give ascending reaction force of locating lever, can play the effect of a buffering to the impact force in the twinkling of an eye when the punching press, prevents that the bed die atress from leading to damaging excessively.

Drawings

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

fig. 2 is a left side view of the positioning seat structure of fig. 1 according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a lower die; 3. a groove; 4. a rubber block; 5. fixing the rod; 6. a connecting rod; 7. a connecting ring; 8. a first spring; 9. an inclined hole; 10. a threaded rod; 11. rotating the ring; 12. a connecting plate; 13. a clamping block; 14. processing a workpiece; 15. positioning seats; 16. positioning a rod; 17. pressing a plate; 18. a limiting groove; 19. a second spring; 20. and a limiting screw.

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.

Examples

Referring to fig. 1 and 2, a stamping lower die comprises a bottom plate 1, a lower die 2 is fixedly connected to the upper end of the bottom plate 1, a groove 3 is formed in the lower die 2, a rubber block 4 is fixedly connected to the inner portion of the groove 3, a workpiece 14 is connected to the inner portion of the rubber block 4 in a contact manner, the workpiece 14 is in contact with the lower die 2, a fixing rod 5 is fixedly connected to the upper end of the lower die 2, a connecting rod 6 is slidably connected to the inner portion of the fixing rod 5, a connecting ring 7 is fixedly connected to the outer side of the connecting rod 6, an inclined hole 9 is formed in the inner portion of the connecting rod 6, a threaded rod 10 is slidably connected to the inner portion of the inclined hole 9, a connecting plate 12 is connected to the outer side of the threaded rod 10 through threads, the connecting plate 12 is fixedly connected to the fixing rod 5, a clamping block 13 is fixedly connected to the connecting rod 6, the clamping block 13 is in contact with the workpiece 14, a positioning seat 15 is fixedly connected to the upper end of the bottom plate 1, and a positioning seat 16 is slidably connected to the inner portion of the positioning seat 15, the upper end fixedly connected with clamp plate 17 of locating lever 16, the lateral wall of locating lever 16 has seted up spacing groove 18.

Referring to fig. 1, the outer side of the connecting rod 6 is slidably sleeved with a first spring 8, and two ends of the first spring 8 are respectively in contact with the fixing rod 5 and the connecting ring 7. By designing the first spring 8 such that the force of the first spring 8 can act on the connection ring 7.

Referring to fig. 1 and 3, a rotating ring 11 is fixedly connected to an upper end of the threaded rod 10, and the rotating ring 11 is made of a rubber material. By designing the rotary ring 11, the rotary ring 11 can drive the threaded rod 10 to rotate.

Referring to fig. 1, a second spring 19 is disposed inside the positioning seat 15, and the second spring 19 contacts the positioning rod 16. By designing the second spring 19, the urging force of the second spring 19 can act on the positioning rod 16.

Referring to fig. 1 and 2, a limit screw 20 is connected to the inside of the positioning seat 15 through a screw thread, and a tail end of the limit screw 20 is clamped with the limit groove 18. The positioning socket 15 and the positioning rod 16 can be fixed by designing the limit screw 20, and the limit screw 20 can slide in the limit groove 18.

Referring to fig. 1, the number of the clamping blocks 13 is two, and both the clamping blocks 13 are in contact with the workpiece 14. By designing the contact between the clamping block 13 and the workpiece 14, the workpiece 14 can be positioned and clamped.

The utility model discloses the concrete implementation process as follows: when the machined part 14 needs to be positioned, the machined part 14 is placed in the rubber block 4, then the threaded rod 10 is inserted into the inclined hole 9, the rotating ring 11 is rotated, the rotating ring 11 drives the threaded rod 10 to rotate, the threaded connection is formed between the threaded rod 10 and the connecting plate 12, the threaded rod 10 can move downwards, the threaded rod 10 can move along the inclined hole 9, the threaded rod 10 can extrude the inclined hole 9, the connecting rod 6 can move towards the direction of the machined part 14, the threaded rod 10 can drive the clamping block 13 to move, the clamping block 13 is tightly attached to the machined part 14, the positioning of the machined part 14 is completed, and the problem that the punching effect is inaccurate due to the fact that the workpiece 14 is shaken in the punching process is solved. Can carry out the punching press after the location is accomplished, when carrying out the punching press, drive arrangement can earlier contact with clamp plate 17, can drive clamp plate 17 downstream, clamp plate 17 can drive locating lever 16 downstream, locating lever 16 can push down second spring 19, flexible effect through second spring 19, can give 16 ascending reaction forces of locating lever, can play the effect of a buffering to the impact force in the twinkling of an eye when the punching press, can reduce the impact force to lower mould 2, prevent that 2 atresss of lower mould from leading to the damage greatly.

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 punching lower die comprises a bottom plate (1), and is characterized in that: the upper end of the bottom plate (1) is fixedly connected with a lower die (2), a groove (3) is formed in the lower die (2), a rubber block (4) is fixedly connected in the groove (3), a workpiece (14) is connected in the rubber block (4) in a contact manner, the workpiece (14) is in contact with the lower die (2), a fixing rod (5) is fixedly connected at the upper end of the lower die (2), a connecting rod (6) is slidably connected in the fixing rod (5), a connecting ring (7) is fixedly connected at the outer side of the connecting rod (6), an inclined hole (9) is formed in the connecting rod (6), a threaded rod (10) is slidably connected in the inclined hole (9), a connecting plate (12) is connected at the outer side of the threaded rod (10) through threads, and the connecting plate (12) is fixedly connected with the fixing rod (5), the connecting rod (6) is fixedly connected with a clamping block (13), the clamping block (13) is in contact with a machined part (14), the upper end of the bottom plate (1) is fixedly connected with a positioning seat (15), the positioning seat (15) is connected with a positioning rod (16) in a sliding mode, the upper end of the positioning rod (16) is fixedly connected with a pressing plate (17), and a limiting groove (18) is formed in the side wall of the positioning rod (16).

2. A punch lower die as set forth in claim 1, wherein: the outer side of the connecting rod (6) is sleeved with a first spring (8) in a sliding mode, and two ends of the first spring (8) are respectively in contact with the fixing rod (5) and the connecting ring (7).

3. A punch lower die as set forth in claim 1, wherein: the upper end fixedly connected with change (11) of threaded rod (10), change (11) are made for a rubber material.

4. A punch lower die as set forth in claim 1, wherein: a second spring (19) is arranged inside the positioning seat (15), and the second spring (19) is in contact with the positioning rod (16).

5. A punch lower die as set forth in claim 1, wherein: the inside of positioning seat (15) has stop screw (20) through threaded connection, the tail end and spacing groove (18) joint of stop screw (20).

6. A punch lower die as set forth in claim 1, wherein: the number of the clamping blocks (13) is two, and the two clamping blocks (13) are both contacted with a workpiece (14).