CN222588077U - A quick return mechanism for mold ejector pin - Google Patents
A quick return mechanism for mold ejector pin Download PDFInfo
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- CN222588077U CN222588077U CN202421093268.XU CN202421093268U CN222588077U CN 222588077 U CN222588077 U CN 222588077U CN 202421093268 U CN202421093268 U CN 202421093268U CN 222588077 U CN222588077 U CN 222588077U
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- ejector pin
- spring
- limiting
- wall
- fixedly connected
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Abstract
The utility model relates to the technical field related to dies, in particular to a die ejector pin quick return mechanism which comprises an ejector pin plate, wherein a return mechanism is arranged on one side surface of the ejector pin plate, a mounting mechanism is arranged on one side surface of a bottom plate, the bottom plate is fixedly connected with one side surface of the ejector pin plate, a bottom shell is fixedly connected with one side surface of the bottom plate, and a locking piece is fixedly connected with one side surface of the bottom plate. The quick return mechanism for the ejector pin of the die is characterized in that when the quick return mechanism is used, the first spring can be kept at a fixed position by the mounting groove and the lower shell, the upper shell is connected with the die locking piece, when the ejector pin ejects the die, the ejector pin plate can compress the first spring, after the die is ejected, the spring is released, the ejector pin plate can quickly return to the initial position, and the sliding groove and the limiting block can ensure that the ejector pin plate cannot slide out in the return process.
Description
Technical Field
The utility model relates to the technical field related to dies, in particular to a die ejector pin quick return mechanism.
Background
The mould, various moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods to obtain the required products in industrial production, make the blank become the tool with the finished piece of specific shape and size under the action of external force, extensively used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and the shaping processing of compression moulding or injection moulding of products such as engineering plastics, rubber, pottery, etc., the mould has specific outline or cavity shape, the outline shape with cutting edge can make the blank separate according to outline shape, the cavity shape can make the blank obtain corresponding three-dimensional shape by using cavity shape, the mould generally includes movable mould and fixed mould or male mould and female mould two parts, can separate and combine, make the blank pour into the mould cavity to shape when closing, the mould is the precision tool, the shape is complicated, bear the expanding force of blank, have higher requirements to structural strength, rigidity, surface hardness, surface roughness and machining precision, the development level of the mould production is one of important marks of the mechanical manufacturing level, and the quick release of the ejector pin is needed.
However, most of the existing ejector pins do not consider the return speed when in use, the return speed is too slow, the normal die casting efficiency is affected, and the punching model is damaged due to slow return of the ejector pins.
Disclosure of utility model
The utility model aims to provide a quick return mechanism for a die ejector pin, which aims to solve the problems that the existing ejector pins are proposed in the background technology, most ejector pins do not consider return speed in use, the return speed is too slow, the normal die casting efficiency is affected, and the punching die is damaged due to slow return of the ejector pins.
The quick return mechanism of the mold ejector pin comprises an ejector pin plate and a bottom plate, wherein a return mechanism is arranged on one side surface of the ejector pin plate, a mounting mechanism is arranged on one side surface of the bottom plate, the bottom plate is fixedly connected with one side surface of the ejector pin plate, the bottom shell is fixedly connected with one side surface of the bottom plate, and a locking piece is fixedly connected with one side surface of the bottom plate;
The reset mechanism comprises a mounting groove, a lower shell, a limiting block, a first spring, an upper shell and a sliding groove, wherein the mounting groove is formed in one side surface of the ejector pin plate, the lower shell is connected with the inner side surface of the mounting groove in a sliding mode, the limiting block is fixedly connected with the outer side surface of the lower shell, the first spring is mounted on the inner side surface of the lower shell, the upper shell is fixedly connected with one end of the first spring, and the sliding groove is formed in the outer side surface of the upper shell.
Preferably, the inner wall size of the mounting groove is matched with the outer wall size of the lower shell, and the limiting blocks are symmetrically distributed by the central axis of the lower shell.
Preferably, the outer wall size of the lower case is matched with the inner wall size of the upper case, and the outer wall size of the first spring is matched with the inner wall size of the lower case.
Preferably, the outer wall size of the limiting block is matched with the inner wall size of the sliding groove, and the sliding groove is symmetrically formed by the central axis of the upper shell.
Preferably, the mounting mechanism comprises a first mounting hole, a first limiting hole, a first fixing hole, a first limiting column, a second spring, a clamping bolt, a fixing shaft, a second limiting column, a second mounting hole and a second fixing hole, wherein the first mounting hole is formed in one side surface of the bottom plate, the first limiting hole is formed in one side surface of the first mounting hole, the first fixing hole is formed in one side surface of the first mounting hole, the first limiting column is fixedly connected with the inner side surface of the first limiting hole, the second spring is fixedly connected with the outer side surface of the first limiting column, one end surface of the second spring is fixedly connected with the clamping bolt, the fixing shaft is mounted on one side surface of the clamping bolt, the second limiting column is connected with one side surface of the clamping bolt, the second mounting hole is formed in one side surface of the jacking plate, and the second fixing hole is formed in one side surface of the second mounting hole.
Preferably, the second limiting column and the second fixing hole form sliding connection, and the outer wall size of the fixing shaft is matched with the inner wall size of the first fixing hole.
Preferably, the size of the first mounting hole is the same as that of the second mounting hole, and the size of the outer wall of the first limiting column is matched with that of the inner wall of the first limiting hole.
Compared with the prior art, the ejector pin return mechanism has the beneficial effects that the first spring is kept at a fixed position by the mounting groove, the lower shell, the limiting block, the first spring, the upper shell and the sliding groove, when the ejector pin return mechanism is used, the upper shell is connected with the locking piece, when the ejector pin ejects the die, the ejector pin plate compresses the first spring, after the die is ejected, the spring is released, the ejector pin plate quickly returns to the initial position, and the sliding groove and the limiting block can ensure that the ejector pin plate cannot slide out in the return process, so that the problem of slow ejector pin return is solved.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present utility model;
FIG. 2 is a schematic diagram of a reset mechanism according to the present utility model;
FIG. 3 is a schematic view showing the mutual fitting structure of the first mounting hole and the second mounting hole;
Fig. 4 is an enlarged schematic view of the structure of fig. 3a according to the present utility model.
In the figure, 1, a thimble plate; 2, a bottom plate, 3, a bottom shell, 4, a reset mechanism, 401, a mounting groove, 402, a lower shell, 403, a limiting block, 404, a first spring, 405, an upper shell, 406, a chute, 5, a mounting mechanism, 501, a first mounting hole, 502, a first limiting hole, 503, a first fixing hole, 504, a first limiting post, 505, a second spring, 506, a clamping bolt, 507, a fixing shaft, 508, a second limiting post, 509, a second mounting hole, 510, a second fixing hole, and 6, a locking piece.
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.
Referring to fig. 1-4, the utility model provides a technical scheme that a quick return mechanism of a mold ejector pin comprises an ejector plate 1 and a bottom plate 2, wherein a return mechanism 4 is arranged on one side surface of the ejector plate 1, a mounting mechanism 5 is arranged on one side surface of the bottom plate 2, the bottom plate 2 is fixedly connected with one side surface of the ejector plate 1, and a bottom shell 3 is fixedly connected with one side surface of the bottom plate 2:
The reset mechanism 4 comprises a mounting groove 401, a lower shell 402, a limiting block 403, a first spring 404, an upper shell 405 and a sliding groove 406, wherein the mounting groove 401 is formed in one side surface of the ejector plate 1, the lower shell 402 is connected to the inner side surface of the mounting groove 401 in a sliding manner, the limiting block 403 is fixedly connected to the outer side surface of the lower shell 402, the first spring 404 is mounted on the inner side surface of the lower shell 402, one end of the first spring 404 is fixedly connected with the upper shell 405, the sliding groove 406 is formed in the outer side surface of the upper shell 405, the first spring 404, the upper shell 405 and the sliding groove 406 are arranged through the mounting groove 401, the lower shell 402, the limiting block 403, the first spring 404 and the upper shell 405, when the ejector plate is used, the mounting groove 401 and the lower shell 402 enable the first spring 404 to be kept at a fixed position, the upper shell 405 is connected to the lock mold piece 6, when the ejector plate 1 is ejected out, the spring is released after the ejector plate 1 is ejected out, the ejector plate 1 is enabled to quickly return to the initial position, and the sliding groove 406 and the limiting block 403 can be ensured not to slide out on the way of return.
Further, the inner wall size of the mounting groove 401 is matched with the outer wall size of the lower shell 402, the limiting blocks 403 are symmetrically distributed along the central axis of the lower shell 402, and when the mounting groove is used, the limiting blocks 403 can ensure that the lower shell 402 cannot slide out of the upper shell 405.
Further, the outer wall of the lower shell 402 is matched with the inner wall of the upper shell 405, the outer wall of the first spring 404 is matched with the inner wall of the lower shell 402, and the upper shell 405 can limit the position of the first spring 404 when in use through the arrangement of the upper shell 405.
Further, the outer wall size of the limiting block 403 is matched with the inner wall size of the sliding groove 406, the sliding groove 406 is symmetrically arranged on the central axis of the upper shell 405, and the sliding groove 406 is arranged, so that the sliding of the upper shell 402 and the lower shell 405 is relatively quick when the sliding groove 406 slides during use.
Further, the mounting mechanism 5 comprises a first mounting hole 501, a first limiting hole 502, a first fixing hole 503, a first limiting post 504, a second spring 505, a latch 506, a fixing shaft 507, a second limiting post 508, a second mounting hole 509 and a second fixing hole 510, wherein the first mounting hole 501 is formed on one side surface of the bottom plate 2, the first limiting hole 502 is formed on one side surface of the first mounting hole 501, the first fixing hole 503 is formed on one side surface of the first mounting hole 501, the first limiting post 504 is fixedly connected to the inner side surface of the first limiting hole 502, the second spring 505 is fixedly connected to the outer side surface of the first limiting post 504, one end surface of the second spring 505 is fixedly connected with the latch 506, the fixing shaft 507 is mounted on one side surface of the latch 506, the second limiting post 508 is connected to one side surface of the latch 506, the second mounting hole 509 is formed on one side surface of the ejector plate 1, when the base plate 2 is required to be fixed on the ejector plate 1 in use, firstly, the latch 506 in the first mounting hole 501 is pressed, the latch 506 compresses the second spring 505, and the latch 506 rotates around the fixed shaft 507, meanwhile, the latch 506 drives the second limit post 508, and then the base plate 2 is pressed close to the ejector plate 1 to enable the first mounting hole 501 to be opposite to the second mounting hole 509, and at the moment, the latch 506 is released, the second spring 505 pushes the latch 506 back to the initial position, and meanwhile, the second limit post 508 also slides into the second fixing hole 510 to finish the installation.
Further, the second limiting post 508 and the second fixing hole 510 form a sliding connection, the outer wall size of the fixing shaft 507 is matched with the inner wall size of the first fixing hole 503, and the latch 506 rotates around the fixing shaft 507 when in use through the arrangement of the fixing shaft 507.
Further, the dimensions of the first mounting hole 501 and the second mounting hole 509 are the same, the dimension of the outer wall of the first limiting post 504 is matched with the dimension of the inner wall of the first limiting hole 502, and the first limiting post 504 can limit the position of the second spring 505 when in use through the arrangement of the first limiting post 504.
The working principle is that when the ejector pin plate is used, the mounting groove 401 and the lower shell 402 can enable the first spring 404 to be kept at a fixed position, the upper shell 405 is connected with the mold locking plate 6, when the ejector pin ejects a mold, the ejector pin plate 1 can compress the first spring 404, after the mold is ejected, the spring is released, the ejector pin plate 1 rapidly returns to the initial position, the sliding groove 406 and the limiting block 403 can ensure that the ejector pin plate 1 cannot slide out in the returning process, when the bottom plate 2 is required to be fixed on the ejector pin plate 1, the clamping bolt 506 in the first mounting hole 501 is pressed, the clamping bolt 506 compresses the second spring 505, the clamping bolt 506 rotates around the fixed shaft 507, the second limiting column 508 is driven by the clamping bolt 506, then the bottom plate 2 is pressed close to the ejector pin plate 1 to enable the first mounting hole 501 to be opposite to the second mounting hole 509, the clamping bolt 506 is released, the second spring 505 can eject the clamping bolt 506 to the initial position, and the second limiting column 508 can slide into the second fixing hole 510 to finish the mounting finally.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The quick return mechanism of the mold ejector pin comprises an ejector plate (1) and a bottom plate (2) and is characterized in that a return mechanism (4) is arranged on one side surface of the ejector plate (1), a mounting mechanism (5) is arranged on one side surface of the bottom plate (2), the bottom plate (2) is fixedly connected with one side surface of the ejector plate (1), a bottom shell (3) is fixedly connected with one side surface of the bottom plate (2), and a locking piece (6) is fixedly connected with one side surface of the bottom plate;
the reset mechanism (4) comprises a mounting groove (401), a lower shell (402), a limiting block (403), a first spring (404), an upper shell (405) and a sliding groove (406), wherein the mounting groove (401) is formed in one side surface of the thimble plate (1), the lower shell (402) is slidably connected with the inner side surface of the mounting groove (401), the limiting block (403) is fixedly connected with the outer side surface of the lower shell (402), the first spring (404) is mounted on the inner side surface of the lower shell (402), the upper shell (405) is fixedly connected with one end of the first spring (404), and the sliding groove (406) is formed in the outer side surface of the upper shell (405).
2. The quick return mechanism of a mold ejector pin according to claim 1, wherein the inner wall of the mounting groove (401) is matched with the outer wall of the lower shell (402), and the limiting blocks (403) are symmetrically distributed along the central axis of the lower shell (402).
3. The quick return mechanism of a mold ejector pin according to claim 1, wherein an outer wall dimension of said lower housing (402) is matched with an inner wall dimension of said upper housing (405), and an outer wall dimension of said first spring (404) is matched with an inner wall dimension of said lower housing (402).
4. The quick return mechanism of a mold ejector pin according to claim 1, wherein the outer wall of the limiting block (403) is matched with the inner wall of the sliding groove (406), and the sliding groove (406) is symmetrically arranged on the central axis of the upper shell (405).
5. The quick return mechanism of a die ejector pin according to claim 1, wherein the mounting mechanism (5) comprises a first mounting hole (501), a first limiting hole (502), a first fixing hole (503), a first limiting post (504), a second spring (505), a clamping bolt (506), a fixing shaft (507), a second limiting post (508), a second mounting hole (509) and a second fixing hole (510), the first mounting hole (501) is formed in one side surface of the bottom plate (2), the first fixing hole (502) is formed in one side surface of the first mounting hole (501), the first fixing hole (503) is formed in one side surface of the first mounting hole (501), the first limiting post (504) is fixedly connected to the inner side surface of the first limiting hole (502), the second spring (505) is fixedly connected to the outer side surface of the first limiting post (504), the clamping bolt (506) is fixedly connected to one end surface of the second spring (505), the clamping bolt (507) is mounted on one side surface of the fixing shaft (506), the first side surface of the clamping bolt (509) is mounted on one side surface of the fixing shaft (508), the second side surface of the first limiting post (509) is mounted on one side of the second side of the first fixing hole (509).
6. The quick return mechanism for a mold ejector pin according to claim 5, wherein the second limiting post (508) is slidably connected with the second fixing hole (510), and the outer wall of the fixing shaft (507) is matched with the inner wall of the first fixing hole (503).
7. The quick return mechanism for a mold ejector pin according to claim 5, wherein the first mounting hole (501) and the second mounting hole (509) have the same size, and the outer wall of the first limiting post (504) has a size matched with the inner wall of the first limiting hole (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421093268.XU CN222588077U (en) | 2024-05-20 | 2024-05-20 | A quick return mechanism for mold ejector pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421093268.XU CN222588077U (en) | 2024-05-20 | 2024-05-20 | A quick return mechanism for mold ejector pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222588077U true CN222588077U (en) | 2025-03-11 |
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ID=94845443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421093268.XU Active CN222588077U (en) | 2024-05-20 | 2024-05-20 | A quick return mechanism for mold ejector pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222588077U (en) |
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2024
- 2024-05-20 CN CN202421093268.XU patent/CN222588077U/en active Active
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