CN220198444U - Mould secondary ejection device - Google Patents
Mould secondary ejection device Download PDFInfo
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- CN220198444U CN220198444U CN202321552979.4U CN202321552979U CN220198444U CN 220198444 U CN220198444 U CN 220198444U CN 202321552979 U CN202321552979 U CN 202321552979U CN 220198444 U CN220198444 U CN 220198444U
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- movable insert
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- secondary ejection
- push block
- block
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- 230000009471 action Effects 0.000 abstract description 3
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- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a die secondary ejection device which comprises a driving plate, an ejector plate, a fixed plate, a limiting block, a movable insert and a pushing block, wherein the limiting block is arranged on the fixed plate and is provided with a limiting groove and a first guide inclined plane communicated with the limiting groove; one end of the push block is arranged on the driving plate, the other end of the push block is slidably arranged in the limit groove, and the other end of the push block is provided with a clamping protrusion; the movable insert is slidably arranged on the thimble plate, the thimble plate is provided with an elastic piece connected with one end of the movable insert, and the bottom of one end of the movable insert, which is away from the elastic piece, is used for being clamped with the clamping protrusion; the top of one end of the movable insert, which is away from the elastic piece, is used for abutting against the first guide inclined surface; the die secondary ejection device is simple in integral structure, strong in action continuity, simple to operate and capable of improving demolding efficiency.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die secondary ejection device.
Background
The mechanism for ejecting the plastic product from the female die or the male die is the ejection mechanism. The form and manner of ejection mechanisms are related to the shape, structure and plastic properties of the plastic article. The parts of the ejection mechanism mainly comprise a push rod, a push pipe, a push plate, secondary ejection and the like. The push plate is generally applicable to plastic injection molds which are difficult to demold, and is often used in combination with the push rod in order to improve the strength of the push rod.
With the increasing number of industrial products, the internal structure of the industrial products is also increasingly complex, and the manufacturing process is also increased. For industrial products with complex structures, the existing industrial product mold ejection system is often provided with a secondary ejection device for demolding the industrial products, the industrial products with complex structures cannot be completely separated from the mold after the primary ejection, and the secondary ejection is needed. The existing ejection system is commonly used with a plurality of ejection devices, and has the defects of complicated steps, long ejection time and low ejection efficiency.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the secondary ejection device for the die is provided, so that the problem of low demolding efficiency caused by complex operation steps of the existing ejection device is solved.
In order to solve the technical problems, the utility model adopts the following technical scheme: the secondary ejection device for the die comprises a driving plate, an ejector plate, a fixed plate, a limiting block, a movable insert and a pushing block, wherein the limiting block is arranged on the fixed plate, and is provided with a limiting groove and a first guide inclined plane communicated with the limiting groove; one end of the push block is arranged on the driving plate, the other end of the push block is slidably arranged in the limiting groove, and the other end of the push block is provided with a clamping protrusion; the movable insert is slidably arranged on the ejector plate, one end of the ejector plate is provided with an elastic piece connected with one end of the movable insert, and the bottom of one end, deviating from the elastic piece, of the movable insert is used for being clamped with the clamping protrusion; the top of one end of the movable insert, which is away from the elastic piece, is used for abutting against the first guide inclined surface.
Further, a second guide inclined plane is arranged at the top of one end, deviating from the elastic piece, of the movable insert, and the second guide inclined plane is used for sliding and abutting against the first guide inclined plane.
Further, the second guiding inclined plane is inlaid with a rotatable first ball, and the first ball is used for abutting against the first guiding inclined plane.
Further, an accommodating groove is formed in one end, away from the elastic piece, of the movable insert, and a part of the push block is accommodated in the accommodating groove.
Further, the movable insert is provided with a sliding hole, the thimble plate is provided with a guiding sliding column, and the guiding sliding column is slidably arranged in the sliding hole.
Further, the elastic piece is a compression spring.
Further, the compression spring is sleeved on the guide sliding column.
Further, rotatable second balls are embedded in the limiting grooves, and the second balls are abutted against the pushing blocks.
The utility model has the beneficial effects that: the mold secondary ejection device has the characteristics of simple structure, simple operation steps and high demolding efficiency, the driving plate is arranged to realize the primary ejection of a product, and the driving plate can also drive the pushing block to move, so that the clamping protrusion on the pushing block pulls the movable insert on the ejector plate, thereby driving the ejector plate to move, the secondary ejection of the product is realized, and when the movable insert is abutted against the first guide inclined surface on the limiting block, the movable insert is convenient for the clamping protrusion to separate, thereby stopping the movement of the ejector plate.
Drawings
Fig. 1 is a schematic structural diagram of a secondary ejection device (after hiding a driving plate, an ejector plate and a fixing plate) of a mold according to a first embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a mold secondary ejection device according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a mold secondary ejection apparatus according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a partial cross-sectional structure of a mold secondary ejection device according to a second embodiment of the present utility model.
Description of the reference numerals:
1. a pushing block; 11. the clamping bulge; 2. a limiting block; 21. a limit groove; 22. a first guiding inclined surface; 3. a movable insert; 31. a guide sliding column; 32. an elastic member; 33. a receiving groove; 34. a second guiding inclined surface; 35. a first ball.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 4, a secondary ejection device for a mold comprises a driving plate, an ejector plate, a fixed plate, a limiting block 2, a movable insert 3 and a push block 1, wherein the limiting block 2 is arranged on the fixed plate, and a limiting groove 21 and a first guiding inclined plane 22 communicated with the limiting groove 21 are arranged on the limiting block 2; one end of the push block 1 is mounted on the driving plate, the other end of the push block 1 is slidably mounted in the limit groove 21, and the other end of the push block 1 is provided with a clamping protrusion 11; the movable insert 3 is slidably mounted on the ejector plate, the ejector plate is provided with an elastic piece 32 connected with one end of the movable insert 3, and the bottom of one end of the movable insert 3, which is away from the elastic piece 32, is used for being clamped with the clamping protrusion 11; the top of the end of the movable insert 3 facing away from the elastic member 32 is adapted to abut against the first guide slope 22.
From the above description, the beneficial effects of the utility model are as follows: realize ejecting for the first time to the product through setting up the drive plate to the drive plate can also drive ejector pad 1 and remove, makes the protruding 11 movable insert 3 on the pulling ejector pad of joint on the ejector pad 1, thereby drives the ejector pad and removes, realizes ejecting for the second time to the product, and when the movable insert 3 contradicts with the first guide inclined plane 22 on the stopper 2, the movable insert 3 is convenient for the protruding 11 of joint breaks away from, thereby stops the removal of ejector pad, overall structure is simple, and the action continuity is strong, easy operation has promoted drawing of patterns efficiency.
Further, a second guiding inclined plane 34 is provided at the top of the end of the movable insert 3 facing away from the elastic member 32, and the second guiding inclined plane 34 is used for sliding and abutting against the first guiding inclined plane 22.
As can be seen from the above description, the second guiding inclined plane 34 is provided on the movable insert 3, so that the movable insert 3 is more matched with the collision of the first guiding inclined plane 22, and guiding pushing of the movable insert 3 can be better realized.
Further, the second guiding inclined surface 34 is inlaid with a rotatable first ball 35, and the first ball 35 is used for abutting against the first guiding inclined surface 22.
As can be seen from the above description, the first ball 35 abutting against the first guiding inclined surface 22 is disposed on the second guiding inclined surface 34, so that the sliding contact between the first guiding inclined surface 22 and the second guiding inclined surface 34 is smoother, and the risk of sliding and jamming is reduced.
Further, an accommodating groove 33 is formed at one end of the movable insert 3 facing away from the elastic member 32, and a part of the push block 1 is accommodated in the accommodating groove 33.
As can be seen from the above description, the accommodating groove 33 is convenient for accommodating and limiting the push block 1, which is beneficial to improving the structural compactness and improving the structural stability.
Further, the movable insert 3 is provided with a sliding hole, the thimble plate is provided with a guiding sliding column 31, and the guiding sliding column 31 is slidably mounted in the sliding hole.
As can be seen from the above description, the guiding sliding columns 31 cooperate with the sliding holes to facilitate the sliding of the movable insert 3 on the thimble plate, so as to ensure the sliding stability of the movable insert 3.
Further, the elastic member 32 is a compression spring.
As can be seen from the above description, the elastic member 32 may be configured according to practical application requirements.
Further, the compression spring is sleeved on the guide sliding column 31.
As is apparent from the above description, the stability of the compression spring is ensured by sleeving the compression spring on the guide sliding column 31.
Further, a second ball which is rotatable is embedded in the limiting groove 21, and the second ball is abutted against the push block 1.
As is apparent from the above description, the second ball can ensure that the push block 1 slides smoothly in the limit groove 21.
Example 1
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: the secondary ejection device of the die is used for an injection mold and is used for realizing secondary ejection of injection products, and comprises a driving plate, an ejector plate, a fixed plate, a limiting block 2, a movable insert 3 and a push block 1, wherein the limiting block 2 is arranged on the fixed plate, and a limiting groove 21 and a first guide inclined plane 22 communicated with the limiting groove 21 are arranged on the limiting block 2; one end of the push block 1 is mounted on the driving plate, the other end of the push block 1 is slidably mounted in the limit groove 21, and the other end of the push block 1 is provided with a clamping protrusion 11; the movable insert 3 is slidably mounted on the ejector plate, the ejector plate is provided with an elastic piece 32 connected with one end of the movable insert 3, and the bottom of one end of the movable insert 3, which is away from the elastic piece 32, is used for being clamped with the clamping protrusion 11; the top of one end that loose insert 3 deviates from elastic component 32 is used for with first direction inclined plane 22 is contradicted, specifically, the drive plate reaches all be equipped with the thimble that is used for ejecting the product on the thimble board, wherein the drive plate is located directly over the thimble board, thimble on the thimble board runs through the drive plate, the drive plate passes through outside drive structure and drives specifically the drive plate goes up and down, realizes ejecting for the first time of product through the thimble on the drive plate to the drive plate can also drive ejector block 1 and remove, makes the movable insert 3 on the thimble board of the joint protruding 11 pulling on ejector block 1 to drive the thimble board and remove, realize ejecting for the second time of product, and after the first direction inclined plane 22 on loose insert 3 and stopper 2 is contradicted, the movable insert 3 is convenient for joint protruding 11 break away from, thereby stops the removal of thimble board, and overall structure is strong, easy operation is strong, has promoted drawing of patterns efficiency.
Preferably, a second guiding inclined plane 34 is provided at the top of the end of the movable insert 3 facing away from the elastic member 32, the second guiding inclined plane 34 is used for sliding and abutting against the first guiding inclined plane 22, and a second guiding inclined plane 34 is provided on the movable insert 3, so that the movable insert 3 is more in contact with the first guiding inclined plane 22, and guiding pushing of the movable insert 3 can be better realized; specifically, the movable insert 3 is provided with a receiving groove 33 at one end facing away from the elastic member 32, and a part of the push block 1 is received in the receiving groove 33, so that the push block 1 is convenient to receive and limit, thereby facilitating the improvement of the structural compactness and improving the structural stability.
In this embodiment, the movable insert 3 is provided with a sliding hole, the thimble plate is provided with a guiding sliding column 31, the guiding sliding column 31 is slidably mounted in the sliding hole, and the guiding sliding column 31 and the sliding hole cooperate to facilitate the sliding of the movable insert 3 on the thimble plate, so as to ensure the sliding stability of the movable insert 3; alternatively, the elastic member 32 is a compression spring, and the elastic member 32 may be specifically set according to actual application requirements; in other embodiments, the compression spring is sleeved on the guide sliding column 31, so that stability of the compression spring is ensured.
Example two
Referring to fig. 4, a second embodiment of the present utility model is a further improvement of the movable insert 3 based on the first embodiment, and the difference between the first embodiment and the second embodiment is that: the second guiding inclined plane 34 is inlaid with a rotatable first ball 35, the first ball 35 is used for abutting against the first guiding inclined plane 22, and the second guiding inclined plane 34 is provided with a first ball 35 abutting against the first guiding inclined plane 22, so that sliding contact between the first guiding inclined plane 22 and the second guiding inclined plane 34 is smoother, and risk of sliding blocking is reduced; further, the second rotatable balls (not shown) are embedded in the limiting groove (not shown), and the second rotatable balls are abutted against the push block 1, so that the push block 1 can be ensured to slide smoothly in the limiting groove.
In summary, the secondary ejection device for the mold has the characteristics of simple structure, simple operation steps and high demolding efficiency, the driving plate is arranged to realize the first ejection of the product, and the driving plate can also drive the pushing block to move, so that the clamping protrusion on the pushing block pulls the movable insert on the ejector plate, thereby driving the ejector plate to move, realizing the second ejection of the product, and when the movable insert is in contact with the first guide inclined surface on the limiting block, the movable insert is convenient for the clamping protrusion to separate, thereby stopping the movement of the ejector plate, and the secondary ejection device for the mold has the advantages of simple overall structure, strong action consistency, simple operation and improved demolding efficiency; the first ball which is abutted against the first guide inclined plane is arranged on the second guide inclined plane, so that the sliding contact between the first guide inclined plane and the second guide inclined plane is smoother, and the risk of sliding blocking is reduced; the second ball can ensure that the push block slides smoothly in the limit groove.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (8)
1. The secondary ejection device of the die is characterized by comprising a driving plate, an ejector plate, a fixed plate, a limiting block, a movable insert and a pushing block, wherein the limiting block is arranged on the fixed plate and is provided with a limiting groove and a first guide inclined plane communicated with the limiting groove; one end of the push block is arranged on the driving plate, the other end of the push block is slidably arranged in the limiting groove, and the other end of the push block is provided with a clamping protrusion; the movable insert is slidably arranged on the ejector plate, one end of the ejector plate is provided with an elastic piece connected with one end of the movable insert, and the bottom of one end, deviating from the elastic piece, of the movable insert is used for being clamped with the clamping protrusion; the top of one end of the movable insert, which is away from the elastic piece, is used for abutting against the first guide inclined surface.
2. The mold secondary ejection apparatus of claim 1, wherein a second guide slope is provided at a top of an end of the movable insert facing away from the elastic member, the second guide slope being adapted to slidably abut the first guide slope.
3. The mold secondary ejection apparatus of claim 2, wherein the second guide ramp is embedded with a rotatable first ball, the first ball configured to abut the first guide ramp.
4. The mold secondary ejection device of claim 1, wherein an end of the movable insert facing away from the elastic member is provided with a receiving groove, and a portion of the push block is received in the receiving groove.
5. The mold secondary ejection device of claim 1, wherein the movable insert is provided with a sliding hole, and the ejector plate is provided with a guiding sliding column slidably mounted in the sliding hole.
6. The mold secondary ejection apparatus of claim 5, wherein the elastic member is a compression spring.
7. The mold secondary ejection apparatus of claim 6, wherein the compression spring is sleeved on the guide sliding column.
8. The mold secondary ejection device of claim 1, wherein a rotatable second ball is embedded in the limit groove, and the second ball abuts against the push block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552979.4U CN220198444U (en) | 2023-06-16 | 2023-06-16 | Mould secondary ejection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552979.4U CN220198444U (en) | 2023-06-16 | 2023-06-16 | Mould secondary ejection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220198444U true CN220198444U (en) | 2023-12-19 |
Family
ID=89143973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321552979.4U Active CN220198444U (en) | 2023-06-16 | 2023-06-16 | Mould secondary ejection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220198444U (en) |
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2023
- 2023-06-16 CN CN202321552979.4U patent/CN220198444U/en active Active
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