CN220464632U - Built-in secondary ejection mechanism of slider - Google Patents
Built-in secondary ejection mechanism of slider Download PDFInfo
- Publication number
- CN220464632U CN220464632U CN202322142559.5U CN202322142559U CN220464632U CN 220464632 U CN220464632 U CN 220464632U CN 202322142559 U CN202322142559 U CN 202322142559U CN 220464632 U CN220464632 U CN 220464632U
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- sliding block
- block
- ejection
- built
- pulling needle
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a secondary ejection mechanism with a built-in sliding block, which relates to the technical field of demolding of a material handle on an injection mold sliding block, and the secondary ejection mechanism comprises a spring, an ejection block, a material pulling needle, a pressing block and a driving mechanism for controlling the withdrawal stroke of the sliding block, wherein the spring, the ejection block, the material pulling needle and the pressing block are sequentially arranged in the sliding block; the material pulling needle is positioned under the material handle, and the thimble is arranged on the thimble plate. The utility model has the beneficial effects that the scheme provides the secondary ejection mechanism with the built-in sliding block, simplifies the ejection plate, the return spring, the material pulling needle and the bottom plate in the traditional sense, and simplifies the structure of the whole ejection system when the secondary ejection mechanism is placed in the sliding block.
Description
Technical Field
The utility model relates to the technical field of demolding of a material handle on an injection mold slide block, in particular to a secondary ejection mechanism with a built-in slide block.
Background
The ejection of the product is the last link of injection molding, and the quality of ejection finally determines the quality of the product. Ejection of the article is therefore a very important element of the mold design.
The common ejection modes include round ejector rod ejection, flat ejector rod ejection, ejector sleeve ejection, ejector block ejection and oblique ejector ejection, and some molds with special structures are required to be designed with secondary ejection or delayed ejection.
The relevant mould of this scheme, have a position advance gluey point and be located the slider just, if here material is to be ejected together with other material, the thimble can push up the slider earlier, causes the mould that bumps, causes certain time and economic loss, and later stage restoration also needs extravagant manpower and materials.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a secondary ejection mechanism arranged in a sliding block, which solves the problem that a material handle on the sliding block and other material handles are ejected together, and a thimble can firstly push against the sliding block to cause die collision.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a secondary ejection mechanism built in a slider, comprising:
the material pulling needle is arranged on the sliding block, sleeved outside the material pulling needle and positioned right below the material handle and used for pushing the material handle;
the spring is arranged on the sliding block and used for driving the material pulling needle to return after ejection;
the ejection block is arranged on the sliding block and positioned below the material pulling needle and used for pressing a hanging table of the material pulling needle;
the pressing block is arranged on the sliding block and is positioned below the ejection block;
the driving mechanism controls the sliding block to withdraw from the stroke;
the ejector pin is arranged on the ejector pin plate and is used for ejecting the pressing block during secondary ejection.
The sliding block is provided with a fixed block, the fixed block is positioned below the pressing block, and the fixed block is fixedly connected with the sliding block through a bolt.
The hanging table at the bottom of the material pulling needle is embedded in the ejection block;
the ejection block is fixedly connected with the pressing block through a bolt.
The driving mechanism comprises an oil cylinder, and the end part of the telescopic end of the oil cylinder is fixedly connected with one end of the sliding block.
The glue inlet point of the material handle is arranged on the sliding block, and the sliding block is positioned on one side of the product.
A pressing block moving groove is formed in the sliding block above the fixed block, and the pressing block and the ejection block are matched with the pressing block moving groove in a sliding mode.
A spring groove is formed in the sliding block above the pressing block moving groove, the bottom of the spring abuts against the top of the ejection block, and the top of the spring abuts against the inner wall of the top of the spring groove.
The fixing block is provided with a vertical ejection hole, and the ejector pin is in sliding connection with the inner wall of the ejection hole;
the transverse length of the pressing block is larger than the diameter of the ejection hole.
And a material pulling needle groove is formed in the sliding block above the spring groove, and the ejection hole, the spring groove and the material pulling needle groove are aligned in the vertical center and are vertically communicated.
And the withdrawing stroke of the sliding block is equal to the transverse distance from the center of the ejector pin to the center of the ejection hole when the mold is opened after the injection molding of the product is completed.
And a sliding guide sleeve is arranged on the rear die, and the thimble is matched with the sliding guide sleeve in a sliding manner.
The moving direction of the telescopic end of the oil cylinder is perpendicular to the moving direction of the thimble.
The bottom end of the ejector pin is fixedly arranged in the rear die.
Compared with the prior art, the method has the following beneficial effects: the scheme provides a secondary ejection mechanism with a built-in sliding block, which simplifies an ejection plate, a return spring, a material pulling needle and a bottom plate in the traditional sense, and simplifies the structure of the whole ejection system by placing the ejection plate, the return spring, the material pulling needle and the bottom plate into the sliding block;
firstly, the sliding block is normally withdrawn, the material handle at the position is broken, and then the sliding block is ejected; after the sliding block is withdrawn, the ejection hole of the material handle is positioned right above the ejector pin, so that the process difficulty of debugging and adjustment is simplified; the oil cylinder is adopted to drive the sliding blocks, so that the action sequence of the sliding blocks is more reliable, and the accuracy and stability of ejection operation are ensured; after the discharging handle is taken out, the spring arranged in the sliding block enables the discharging handle to reset, and production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the positions of the structures before the slider is withdrawn.
FIG. 2 is a schematic view of the positions of the structures after the slider is withdrawn.
FIG. 3 is a schematic diagram of the positions of the structure of the ejector pins after ejecting the material handle according to the embodiment of the present utility model.
In the figure:
1. an oil cylinder; 2. a slide block; 3. a material handle; 4. a product; 5. a material pulling needle; 6. a spring; 7. an ejection block; 8. briquetting; 9. a fixed block; 10. and (5) a thimble.
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.
Example 1
Referring to fig. 1 to 3, the utility model provides a secondary ejection mechanism with a built-in sliding block, which comprises a spring 6, an ejection block 7, a material pulling needle 5 and a pressing block 8 which are sequentially arranged in the sliding block 2, and a driving mechanism for controlling the sliding block 2 to withdraw from a stroke;
the material pulling needle 5 is positioned right below the material handle 3 and is used for pushing the material handle 3.
The ejector pin 10 is arranged on the ejector pin plate and is used for ejecting the pressing block 8 during secondary ejection.
The spring 6 is sleeved outside the material pulling needle 5, a hanging table at the bottom of the material pulling needle 5 is embedded in the ejection block 7, and the ejection block 7 presses the hanging table of the material pulling needle 5;
the ejection block 7 and the pressing block 8 are fixedly connected through bolts;
the fixed block 9 is fixedly connected with the sliding block 2 through a bolt;
the driving mechanism comprises an oil cylinder 1, and the end part of the telescopic end of the oil cylinder 1 is fixedly connected with one end of the sliding block 2.
The glue inlet point of the material handle 3 is arranged on the sliding block 2, and the sliding block 2 is positioned on one side of the product 4.
The moving direction of the telescopic end of the oil cylinder 1 is perpendicular to the moving direction of the thimble 10.
The bottom end of the thimble 10 is fixedly arranged in the rear mould.
A pressing block moving groove is formed in the sliding block 2 above the fixed block 9, and the pressing block 8 and the ejection block 7 are matched with the pressing block moving groove in a sliding mode.
The fixed block 9 is provided with a vertical ejection hole, and the thimble 10 is in sliding connection with the inner wall of the ejection hole.
The withdrawal stroke of the sliding block 2 is equal to the transverse distance from the center of the ejector pin 10 to the center of the ejection hole when the mold is opened after the injection molding of the product 4 is completed. After the sliding block is ensured to withdraw, the ejection hole of the material handle is positioned right above the ejector pin.
The ejector pin 10 is matched with the sliding guide sleeve in a sliding manner.
After the injection molding of the product 4 is completed, the mold is opened, the oil cylinder 1 drives the sliding block 2, and the withdrawing stroke of the sliding block 2 is controlled, so that the sliding block 2 retreats to be separated from the product 4.
When the sliding block 2 is withdrawn to the position right above the ejector pin 10, the sliding block 2 stops moving, the ejector pin 10 moves upwards, the pressing block 8 in the sliding block 2 is propped against through the ejection hole on the fixed block 9, the material pulling needle 5 is driven to move upwards, the material handle 3 is ejected, and the spring 6 is in a compressed state.
After the product 4 and the material handle 3 are taken out, the ejector plate of the mould returns, the ejector pin 10 below the sliding block 2 moves downwards, the pressing block 8 is not propped up any more, the spring 6 arranged in the sliding block 2 stretches, the ejection block 7 is propped up, and the material pulling needle 5 is driven to return. Meanwhile, the sliding block 2 returns under the driving of the oil cylinder 1 to complete die assembly.
Example 2
On the basis of embodiment 1, a spring groove is formed in the sliding block 2 above the pressing block moving groove, the bottom of the spring 6 is propped against the top of the ejection block 7, and the top of the spring 6 is propped against the inner wall of the top of the spring groove.
A material pulling needle groove is formed in the sliding block 2 above the spring groove, and the ejection hole, the spring groove and the material pulling needle groove are aligned in the vertical center and vertically communicated.
After the material handle is taken out, the spring arranged in the sliding block can automatically reset the sliding block, so that the workload of an operator is reduced, and the sliding block does not need to be reset manually;
the acting force of the spring accelerates the ejection process of the material handle, and the production period can be shortened; the spring can provide stable force, ensures stable and accurate ejection process, reduces errors and quality problems in production, and improves production efficiency.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a built-in secondary ejection mechanism of slider which characterized in that includes:
the material pulling needle (5) is arranged on the sliding block (2), sleeved outside the material pulling needle (5), and positioned right below the material handle (3) and used for pushing the material handle (3);
the spring (6) is arranged on the sliding block (2) and is used for driving the material pulling needle (5) to return after ejection;
the ejection block (7) is arranged below the sliding block (2) and positioned below the material pulling needle (5) and is used for pressing a hanging table of the material pulling needle (5);
the pressing block (8) is arranged on the sliding block (2) and is positioned below the ejection block (7);
the driving mechanism controls the sliding block (2) to withdraw from the stroke;
the ejector pin (10) is arranged on the ejector pin plate and is used for ejecting the pressing block (8) during secondary ejection.
2. The secondary ejection mechanism with the built-in sliding block according to claim 1, wherein a fixed block (9) is arranged on the sliding block (2), the fixed block (9) is located below the pressing block (8), and the fixed block (9) is fixedly connected with the sliding block (2) through a bolt.
3. The secondary ejection mechanism with the built-in sliding block according to claim 2, wherein a hanging table at the bottom of the material pulling needle (5) is embedded in the ejection block (7);
the ejection block (7) is fixedly connected with the pressing block (8) through bolts.
4. The secondary ejection mechanism with the built-in sliding block according to claim 1, wherein the driving mechanism comprises an oil cylinder (1), and the end part of a telescopic end of the oil cylinder (1) is fixedly connected with one end of the sliding block (2).
5. The secondary ejection mechanism with the built-in sliding block according to claim 2, wherein the glue feeding point of the material handle (3) is arranged on the sliding block (2), and the sliding block (2) is positioned on one side of the product (4).
6. The secondary ejection mechanism with the built-in sliding block according to claim 5, wherein a pressing block moving groove is formed in the sliding block (2) above the fixed block (9), and the pressing block (8) and the ejection block (7) are both matched with the pressing block moving groove in a sliding mode.
7. The secondary ejection mechanism with the built-in sliding block according to claim 6, wherein a spring groove is formed in the sliding block (2) above the pressing block moving groove, the bottom of the spring (6) is abutted against the top of the ejection block (7), and the top of the spring (6) is abutted against the top inner wall of the spring groove.
8. The secondary ejection mechanism with the built-in sliding block according to claim 7, wherein a vertical ejection hole is formed in the fixed block (9), and the ejector pin (10) is in sliding connection with the inner wall of the ejection hole;
the transverse length of the pressing block (8) is larger than the diameter of the ejection hole.
9. The secondary ejection mechanism with the built-in sliding block according to claim 8, wherein a material pulling needle groove is formed in the sliding block (2) above the spring groove, and the ejection hole, the spring groove and the material pulling needle groove are aligned in the vertical center and are vertically communicated.
10. The secondary ejection mechanism with the built-in sliding block according to claim 8, wherein the ejection stroke of the sliding block (2) is equal to the transverse distance from the center of the ejector pin (10) to the center of the ejection hole when the mold is opened after the injection of the product (4) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142559.5U CN220464632U (en) | 2023-08-10 | 2023-08-10 | Built-in secondary ejection mechanism of slider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322142559.5U CN220464632U (en) | 2023-08-10 | 2023-08-10 | Built-in secondary ejection mechanism of slider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464632U true CN220464632U (en) | 2024-02-09 |
Family
ID=89773745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322142559.5U Active CN220464632U (en) | 2023-08-10 | 2023-08-10 | Built-in secondary ejection mechanism of slider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464632U (en) |
-
2023
- 2023-08-10 CN CN202322142559.5U patent/CN220464632U/en active Active
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