CN219052882U

CN219052882U - Thimble device

Info

Publication number: CN219052882U
Application number: CN202320215999.6U
Authority: CN
Inventors: 叶宝剑
Original assignee: Dongguan Fast Precision Technology Co ltd
Current assignee: Dongguan Fast Precision Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-23
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a thimble device, which comprises a lower die, a driving device, a first thimble plate, a second thimble plate and a guide post, wherein a containing space is concavely arranged on the lower die, the first thimble plate and the second thimble plate are sequentially arranged in the containing space from top to bottom, the driving device is arranged on the lower die, the output end of the driving device is connected with the second thimble plate and drives the second thimble plate to move along the height direction of the lower die, the guide post is arranged on the second thimble plate, and an inserting hole for inserting the guide post is formed in the first thimble plate. Therefore, when the ejector pin is actually used, the driving device drives the first ejector pin plate and the second ejector pin plate to eject upwards, and then drives the second ejector pin plate to reset downwards, so that demolding can be effectively realized.

Description

Thimble device

Technical Field

The utility model relates to the technical field of dies, in particular to a thimble device.

Background

It is well known that ejector pin devices are often required during the manufacturing process to eject the product molded in the mold.

The existing thimble device generally comprises an upper die, a lower die, a driving device and two thimble assemblies, wherein the two thimble assemblies are sequentially arranged from top to bottom, a driving output end is connected with the thimble assembly above and drives the two thimble assemblies to jack up for the first time together, and then the driving device drives the thimble assembly above to jack up for the second time, however, the existing thimble device has the following defects: the clamping mechanism is usually applied to a plastic die, and because the clamping force of the die-casting die is too large, the clamping mechanism fails for many times and cannot be ejected, so that the ejector pin assembly cannot be ejected.

Therefore, a thimble device is needed to solve the above-mentioned problems.

Disclosure of Invention

The utility model provides a thimble device aiming at the defects of the prior art.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

the utility model provides a thimble device, includes bed die, drive arrangement, first thimble board, second thimble board and guide post, the bed die is gone up to sunken to be provided with the accommodation space, from top to bottom has set gradually in the accommodation space first thimble board with the second thimble board, drive arrangement install in on the bed die, drive arrangement's output with the second thimble board is connected and is driven this second thimble board to follow the direction of height of bed die moves, the guide post install in on the second thimble board, offer on the first thimble board supplies the guide post is used for the insertion hole.

The ejector pin device is further improved, the ejector pin device further comprises a positioning piece, the top surface of the lower die is provided with a fixing groove for fixing the positioning piece, and the bottom of the second ejector pin plate is provided with a positioning hole for inserting the positioning piece.

The ejector pin device is further improved, the ejector pin device further comprises an ejector pin, the bottom of the ejector pin is fixed in the first ejector pin plate, and the top of the ejector pin extends upwards and stretches out of the first ejector pin plate.

The lower die comprises a bottom plate and at least two die legs, wherein the two die legs are symmetrically arranged on the bottom plate in a left-right mode, and the fixing groove is formed in the bottom plate.

In a further development, the positioning pins are arranged symmetrically to the left and right with respect to the center axis of the second ejector plate.

In a further development, the return needle is arranged symmetrically to the center axis of the first ejector plate.

The utility model has the beneficial effects that: the ejector pin device comprises a lower die, a driving device, a first ejector pin plate, a second ejector pin plate and a guide post, wherein an accommodating space is concavely arranged on the lower die, the first ejector pin plate and the second ejector pin plate are sequentially arranged in the accommodating space from top to bottom, the driving device is arranged on the lower die, the output end of the driving device is connected with the second ejector pin plate and drives the second ejector pin plate to move along the height direction of the lower die, the guide post is arranged on the second ejector pin plate, and an inserting hole for inserting the guide post is formed in the first ejector pin plate. Therefore, when the ejector pin is actually used, the driving device drives the first ejector pin plate and the second ejector pin plate to eject upwards, and then drives the second ejector pin plate to reset downwards, so that demolding can be effectively realized.

The utility model will be further described with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic view of the overall structure of a thimble device according to the present utility model;

FIG. 2 is a schematic view of the structure of the first ejector plate and the second ejector plate of the present utility model in an ejected state;

fig. 3 is a schematic structural view of the second ejector plate in the reset state.

Detailed Description

The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, the ejector pin device 100 of the present utility model includes a lower mold 10, a driving device 20, a first ejector plate 30, a second ejector plate 40 and a guiding column 50, wherein a receiving space 10a is concavely disposed on the lower mold 10, the first ejector plate 30 and the second ejector plate 40 are sequentially disposed in the receiving space 10a from top to bottom, the driving device 20 is mounted on the lower mold 10, an output end of the driving device 20 is connected with the second ejector plate 40 and drives the second ejector plate 40 to move along a height direction of the lower mold 10, the guiding column 50 is mounted on the second ejector plate 40, and an insertion hole 30a for inserting the guiding column 50 is disposed on the first ejector plate 30. Preferably, the ejector pin device 100 further comprises a positioning member 60, the top surface of the lower die 10 is provided with a fixing groove 10b for fixing the positioning member 60, and the bottom of the second ejector pin plate 40 is provided with a positioning hole 40a for inserting the positioning member 60. Specifically, the ejector pin device 100 further includes a return pin 70, wherein the bottom of the return pin 70 is fixed in the first ejector pin plate 30, and the top of the return pin 70 extends upward and protrudes out of the first ejector pin plate 30, so that the top of the return pin 70 pushes the first ejector pin plate 30 to move downward when contacting the upper mold.

With continued reference to fig. 1 to 3, the lower mold 10 includes a bottom plate 11 and at least two mold legs 12, the two mold legs 12 are symmetrically mounted on the bottom plate 11, and the fixing groove 10b is disposed on the bottom plate 11.

With continued reference to fig. 1 to 3, the positioning pins are symmetrically arranged on the left and right with respect to the central axis of the second ejector plate 40; in addition, the return needle 70 is arranged in bilateral symmetry with the central axis of the first ejector plate 30, so that it is possible to maintain stability at the time of ejection or reset.

The utility model has the beneficial effects that: the ejector pin device 100 comprises a lower die 10, a driving device 20, a first ejector pin plate 30, a second ejector pin plate 40 and a guide post 50, wherein a containing space 10a is concavely arranged on the lower die 10, the first ejector pin plate 30 and the second ejector pin plate 40 are sequentially arranged in the containing space 10a from top to bottom, the driving device 20 is arranged on the lower die 10, the output end of the driving device 20 is connected with the second ejector pin plate 40 and drives the second ejector pin plate 40 to move along the height direction of the lower die 10, the guide post 50 is arranged on the second ejector pin plate 40, and an inserting hole 30a for inserting the guide post 50 is formed in the first ejector pin plate 30. Therefore, in practical use, the first ejector plate 30 and the second ejector plate 40 are driven to eject upwards by the driving device 20, and then the second ejector plate 40 is driven to reset downwards by the driving device 20, so that demolding can be effectively realized.

The present utility model is not limited to the above embodiments, and other thimble devices obtained by using the same or similar structure or device as the above embodiments of the present utility model are all within the scope of the present utility model.

Claims

1. The utility model provides a thimble device which characterized in that: including bed die, drive arrangement, first thimble board, second thimble board and guide post, the bed die is sunken to be provided with the accommodation space, from top to bottom has set gradually in the accommodation space first thimble board with the second thimble board, drive arrangement install in on the bed die, drive arrangement's output with the second thimble board is connected and is driven this second thimble board and follow the direction of height of bed die moves, the guide post install in on the second thimble board, offer on the first thimble board supplies the guide post is inserted and is used the insertion hole.

2. The ejector pin device of claim 1, wherein: the lower die is characterized by further comprising a positioning piece, wherein the top surface of the lower die is provided with a fixing groove for fixing the positioning piece, and the bottom of the second ejector plate is provided with a positioning hole for inserting the positioning piece.

3. The ejector pin device of claim 1, wherein: the needle return device further comprises a needle return, wherein the bottom of the needle return is fixed in the first ejector plate, and the top of the needle return extends upwards and stretches out of the first ejector plate.

4. The ejector pin device of claim 2, wherein: the lower die comprises a bottom plate and at least two die legs, wherein the two die legs are symmetrically arranged on the bottom plate in a left-right mode, and the fixing groove is formed in the bottom plate.

5. The ejector pin device of claim 2, wherein: the positioning pieces are symmetrically arranged on the left and right sides with the central axis of the second ejector plate.

6. A thimble device according to claim 3, wherein: the return needle is arranged in a bilateral symmetry manner with the central axis of the first ejector plate.