CN213317330U

CN213317330U - Automatic demoulding mould of punching machine tool

Info

Publication number: CN213317330U
Application number: CN202021834872.5U
Authority: CN
Inventors: 王丙刚; 刘书君
Original assignee: Tianjin Qitai Mould Co ltd
Current assignee: Tianjin Qitai Mould Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-01
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the technical field of demoulding moulds, and discloses an automatic demoulding mould of a punching machine tool, which comprises a bracket, wherein one side of the bracket is fixed with a hydraulic cylinder, one end of the hydraulic cylinder is connected with a connecting rod, one end of the connecting rod is fixed with a first frame, one side of the first frame, which is close to the connecting rod, is provided with a mandril, the mandril penetrates through the first frame, the first frame is internally provided with a first spring, one end of the first spring is connected with the first frame, the other end of the first spring is connected with a second frame, one side of the first frame, which is far away from the connecting rod, is fixed with a lower mould, the lower mould penetrates through the second frame, the utility model is provided with the hydraulic cylinder, the hydraulic cylinder replaces a motor to be used as a driving device, can control the extension and the moving speed of a hydraulic rod, thereby reducing the, the die is protected, and meanwhile, the working efficiency is also ensured.

Description

Automatic demoulding mould of punching machine tool

Technical Field

The utility model belongs to the technical field of drawing of patterns mould, concretely relates to automatic drawing of patterns mould of punching press lathe.

Background

A punching machine tool, namely a punching machine, drives a flywheel through a motor, and drives a crank connecting rod mechanism to enable a sliding block to move up and down through a clutch and a transmission gear so as to drive a drawing die to form a steel plate. The double-acting means that the press is provided with two slide blocks which are an inner slide block and an outer slide block, the inner slide block drives a male die or a female die of the die, the outer slide block drives a blank holder on the die, the blank holder firstly acts to press the edge of a steel plate during drawing, and the inner slide block then acts to draw.

Present automatic drawing of patterns mould drive arrangement is the motor, the motor drives the connecting rod and is reciprocating motion, the rotational speed of motor is fast, make the connecting rod drive drawing of patterns mould constantly be reciprocating motion fast, can lead to the mould to damage long time, the part of drawing of patterns also can damage because drawing of patterns speed is too fast, cause the preparation work piece qualification rate low, reduce work efficiency, in the drawing of patterns process, the spring buffer effect in the device is not obvious, probably lead to the mould to damage during the drawing of patterns, the bending strength and the tensile strength of long-time spring also can reduce, long service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic drawing of patterns mould of punching press lathe to it is too fast to solve current automatic drawing of patterns mould drawing of patterns speed, and the drawing of patterns dynamics is too big and the obscure problem of buffer device effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic drawing of patterns mould of punching press lathe, includes the support, one side of support is fixed with the pneumatic cylinder, the one end of pneumatic cylinder is connected with the connecting rod, the one end of connecting rod is fixed with frame one, one side that frame one is close to the connecting rod is provided with the ejector pin, the ejector pin runs through frame one, the inside of frame one is provided with spring one, the one end and the frame one of spring one are connected, the other end of spring one is connected with frame two, one side that frame one kept away from the connecting rod is fixed with the lower mould, the lower mould runs through frame two, the one end that frame one was kept away from to the lower mould is provided with the part, the gyro wheel is installed to the bottom of frame one, the below of frame one is provided with the base, the top of base is provided.

Preferably, the hydraulic cylinder comprises a rear end cover, a cylinder body, a front end cover and a piston rod, the rear end cover is fixed on one side of the support, the front end cover is fixed at one end of the cylinder body, and the piston rod penetrates through the front end cover.

Preferably, the first frame comprises a first bottom plate and a first top plate, and the first bottom plate is fixedly connected with the connecting rod.

Preferably, the second frame comprises a second bottom plate and a second top plate, the second bottom plate is fixedly connected with the first spring, and the second top plate is arranged on one side of the first top plate.

Preferably, one side of the second bottom plate, which is far away from the first bottom plate, is provided with a second spring, and one end of the second spring is fixedly connected with the first top plate.

Preferably, a connecting ring is arranged on one side of the second bottom plate, and one end, far away from the second bottom plate, of the connecting ring is fixed on one side of the second top plate.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up the pneumatic cylinder, replaced the motor as drive arrangement with the pneumatic cylinder, can control the flexible of hydraulic stem, and can reduce the removal rate of connecting rod to reduce drawing of patterns speed, reduce the drawing of patterns dynamics, guarantee that the drawing of patterns at every turn can both completely take off the part, protected the mould and also guaranteed work efficiency simultaneously.

(2) The utility model discloses spring two has been set up, the cushioning effect of drawing of patterns mould can be reinforceed for in drawing of patterns process, the moving speed of frame two can be evenly slow, has further protected mould and part, also can neutralize the atress of original spring simultaneously, extension spring assembly's life.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

in the figure: 1. a support; 2. a hydraulic cylinder; 3. a connecting rod; 4. a first bottom plate; 5. a first spring; 6. a second bottom plate; 7. a first frame; 8. a first top plate; 9. a second frame; 10. a second top plate; 11. a part; 12. a lower die; 13. a base; 14. a second spring; 15. a roller; 16. a top rod; 17. a chute; 18. a rear end cap; 19. a cylinder body; 20. a front end cover; 21. a piston rod; 22. and (7) connecting rings.

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. 1-3, the present invention provides the following technical solutions: an automatic demoulding die of a punching machine comprises a support 1, a hydraulic cylinder 2 is fixed on one side of the support 1, a connecting rod 3 is connected to one end of the hydraulic cylinder 2, the hydraulic cylinder 2 is used for controlling the connecting rod 3 to move, so that automatic demoulding is realized, a first frame 7 is fixed on one end of the connecting rod 3, an ejector rod 16 is arranged on one side, close to the connecting rod 3, of the first frame 7, the ejector rod 16 penetrates through the first frame 7, a first spring 5 is arranged inside the first frame 7, one end of the first spring 5 is connected with the first frame 7, the other end of the first spring 5 is connected with a second frame 9, a lower die 12 is fixed on one side, far away from the connecting rod 3, of the first frame 7, the lower die 12 penetrates through the second frame 9, a second frame 9 is partially arranged inside the first frame 7, a part 11 is arranged at one end, far away from, the top of base 13 is provided with twice spout 17, and gyro wheel 15 sets up in the inside of spout 17.

Further, the hydraulic cylinder 2 comprises a rear end cover 18, a cylinder body 19, a front end cover 20 and a piston rod 21, the rear end cover 18 is fixed on one side of the support 1, the front end cover 20 is fixed at one end of the cylinder body 19, the piston rod 21 penetrates through the front end cover 20, and one end of the piston rod 21 is fixedly connected with the connecting rod 3.

Further, the frame one 7 includes a bottom plate one 4 and a top plate one 8, the bottom plate one 4 is fixedly connected with the connecting rod 3, one end of the spring one 5 is fixed on one side of the bottom plate one 4, and one end of the lower die 12 is embedded in the inside of the top plate one 8.

Specifically, the second frame 9 comprises a second bottom plate 6 and a second top plate 10, the second bottom plate 6 is fixedly connected with the first spring 5, the second top plate 10 is arranged on one side of the first top plate 8, and the second top plate 10 is used for demolding the machined part 11.

It is worth to say that one side of the second bottom plate 6, which is far away from the first bottom plate 4, is provided with a second spring 14, and one end of the second spring 14 is fixedly connected with the first top plate 8, so that a buffering effect is achieved in the demolding process.

Furthermore, a connecting ring 22 is arranged on one side of the second bottom plate 6, one end of the connecting ring 22 is embedded in the second bottom plate 6, one end, far away from the second bottom plate 6, of the connecting ring 22 is fixed on one side of the second top plate 10, and the connecting ring 22 is annular and can ensure that the second frame 9 can stably move along the axis direction.

The utility model discloses a theory of operation and use flow: when the utility model is used, a worker firstly starts the hydraulic cylinder 2 to enable the piston rod 21 on the hydraulic cylinder 2 to move towards the support 1, the piston rod 21 drives the connecting rod 3 to move, so that the connecting rod 3 drives the frame I7 to slide towards the support 1, and the sliding work of the frame I7 is realized by the sliding of the roller 15 at the bottom inside the sliding groove 17;

when the first frame 7 slides, the first spring 5 is driven to move, so that the second frame 9 is pulled to move in the same direction, the connecting ring 22 is annular, the second frame 9 can be guaranteed to stably move along the axis direction, when the second bottom plate 6 touches the ejector rod 16, the second frame 9 stops moving, the first frame 7 continues moving, the second spring 14 is extruded, a buffering effect is achieved on the second bottom plate 6, and at the moment, the first top plate 8 moves in the opposite direction relative to the lower die 12;

and the second top plate 10 gradually contacts the part until the part is pushed away, demolding is finished, the hydraulic cylinder 2 is closed, and if demolding is required to be continued, the first frame 7 and the second frame 9 are reset, and the operations are repeated.

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. The utility model provides an automatic drawing of patterns mould of punching press lathe, includes support (1), its characterized in that: a hydraulic cylinder (2) is fixed on one side of the support (1), one end of the hydraulic cylinder (2) is connected with a connecting rod (3), a first frame (7) is fixed on one end of the connecting rod (3), an ejector rod (16) is arranged on one side, close to the connecting rod (3), of the first frame (7), the ejector rod (16) penetrates through the first frame (7), a first spring (5) is arranged inside the first frame (7), one end of the first spring (5) is connected with the first frame (7), the other end of the first spring (5) is connected with a second frame (9), a lower die (12) is fixed on one side, far away from the connecting rod (3), of the first frame (7), the lower die (12) penetrates through the second frame (9), a part (11) is arranged at one end, far away from the first frame (7), and a roller (15) is installed at the bottom of the first frame (, a base (13) is arranged below the first frame (7), two sliding grooves (17) are formed in the top of the base (13), and the rollers (15) are arranged inside the sliding grooves (17).

2. The automatic release die of a press machine according to claim 1, characterized in that: the hydraulic cylinder (2) comprises a rear end cover (18), a cylinder body (19), a front end cover (20) and a piston rod (21), the rear end cover (18) is fixed on one side of the support (1), the front end cover (20) is fixed at one end of the cylinder body (19), and the piston rod (21) penetrates through the front end cover (20).

3. The automatic release die of a press machine according to claim 1, characterized in that: the first frame (7) comprises a first bottom plate (4) and a first top plate (8), and the first bottom plate (4) is fixedly connected with the connecting rod (3).

4. The automatic release die of a press machine according to claim 3, characterized in that: the second frame (9) comprises a second bottom plate (6) and a second top plate (10), the second bottom plate (6) is fixedly connected with the first spring (5), and the second top plate (10) is arranged on one side of the first top plate (8).

5. The automatic release die of a press machine according to claim 4, characterized in that: and a second spring (14) is arranged on one side, away from the first bottom plate (4), of the second bottom plate (6), and one end of the second spring (14) is fixedly connected with the first top plate (8).

6. The automatic release die of a press machine according to claim 4, characterized in that: and a connecting ring (22) is arranged on one side of the second bottom plate (6), and one end, far away from the second bottom plate (6), of the connecting ring (22) is fixed on one side of the second top plate (10).