CN216732841U - Ejecting mould of flexible glue product runner - Google Patents
Ejecting mould of flexible glue product runner Download PDFInfo
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- CN216732841U CN216732841U CN202123295411.2U CN202123295411U CN216732841U CN 216732841 U CN216732841 U CN 216732841U CN 202123295411 U CN202123295411 U CN 202123295411U CN 216732841 U CN216732841 U CN 216732841U
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Abstract
The utility model discloses a flexible glue product flow channel ejection die which comprises a thimble top plate, a thimble bottom plate, an upper ejector sleeve, a lower ejector sleeve and an ejector sleeve inner needle; the bottom surface of the ejector pin top plate is fixed with the top surface of the ejector pin bottom plate, the lower end of the ejector pin barrel is fixed in an ejector pin barrel stepped hole of the ejector pin top plate, a hanging table on the lower end of the ejector pin barrel is abutted against the stepped surface of the upper ejector pin barrel stepped hole, the upper end of the lower ejector pin barrel is fixed in a lower ejector pin barrel stepped hole of the ejector pin bottom plate, a hanging table on the upper end of the lower ejector pin barrel is abutted against the stepped surface of the lower ejector pin barrel stepped hole, the ejector pin barrel and the lower ejector pin barrel are coaxially arranged, and an ejector pin inner pin is movably arranged in the ejector pin barrel and the lower ejector pin barrel, and the upper end of an ejector pin inner pin penetrates out of the ejector pin barrel. Because the injection molding waste material wraps the back-off of the ejector sleeve inner needle during injection molding, the groove surrounding the whole circumference is arranged at the upper end of the runner thimble and plays a role of pulling a product, the product can not be adhered to the front mold core, the product deformation and strain are avoided, the production benefit is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to an injection mold, in particular to a flexible glue product runner ejection mold.
Background
The plastic injection mold is a tool for producing plastic products and has wide application. The elastomer plastic (TPE) in the common thermoplastic plastics is widely used, and is directly injection molded to produce soft rubber toys, case accessories, buffering and shock absorbing parts. The characteristics of easy processing, good softness and good elasticity of the TPE material are utilized, and the using requirements of customers are met. The application is more prominent on automobiles and medical instruments, the success of projects further improves the mold design and processing and manufacturing levels of companies, improves the industrial matching capacity of the companies, provides high-quality molds for customers, and lays a solid foundation for business expansion and transformation upgrading of the companies, but the mold adhesion of soft rubber products is a very common problem in the molding debugging process, particularly when the hardness of some materials is low, the mold adhesion becomes the greatest difficulty in production, and the traditional runner hook needle has the problems that the mold adhesion is caused by insufficient tension or automatic demolding cannot be realized, and the like.
In order to solve the problems, a project for design and research of soft rubber runner ejection is proposed, and the unique innovation of the project can certainly optimize the structural mode of the soft rubber product ejection structure in the mold design and manufacturing process, so that the product deformation and strain are avoided, the production benefit is improved, and the production cost is reduced.
Disclosure of Invention
The utility model aims to provide a flexible glue product flow channel ejection die capable of effectively preventing a product from being stuck on a front die core.
In order to achieve the purpose, the technical solution of the utility model is as follows:
the utility model relates to a flexible glue product flow channel ejection die which comprises an ejector pin top plate, an ejector pin bottom plate, an upper ejector sleeve, a lower ejector sleeve and an ejector sleeve inner pin, wherein the ejector pin top plate is arranged on the ejector pin bottom plate; the bottom surface of the ejector pin top plate is fixed with the top surface of the ejector pin bottom plate, the lower end of the ejector pin barrel is fixed in an ejector pin barrel stepped hole of the ejector pin top plate, a hanging table on the lower end of the ejector pin barrel is abutted against the stepped surface of the upper ejector pin barrel stepped hole, the upper end of the lower ejector pin barrel is fixed in a lower ejector pin barrel stepped hole of the ejector pin bottom plate, a hanging table on the upper end of the lower ejector pin barrel is abutted against the stepped surface of the lower ejector pin barrel stepped hole, the ejector pin barrel and the lower ejector pin barrel are coaxially arranged, and an ejector pin inner pin is movably arranged in the ejector pin barrel and the lower ejector pin barrel, and the upper end of an ejector pin inner pin penetrates out of the ejector pin barrel.
The upper end of the inner needle of the ejector sleeve is provided with more than one groove which surrounds the whole circumference.
The utility model also comprises a fixed template, a movable template, square iron, a bottom plate, a fixed mold core, a movable mold core, a guide mechanism, a thimble and a nozzle needle; the fixed template and the movable template are arranged oppositely and connected through a guide mechanism, the fixed die core and the movable die core are respectively fixed on the fixed template and the movable template, and the movable template is connected with the bottom plate through square iron; the ejector top plate and the ejector bottom plate which are fixed together are arranged between the movable template and the bottom plate, the upper part of the upper ejector cylinder is movably arranged in the movable template and the movable die core in a penetrating manner, the lower part of the lower ejector cylinder is movably arranged in the stepped hole of the bottom plate in a penetrating manner, and the hanging table at the lower end of the inner needle of the ejector cylinder can be abutted against the stepped surface of the stepped hole of the bottom plate. The lower ends of the ejector pin and the water gap needle are fixed on a top plate formed by an ejector pin top plate and an ejector pin bottom plate, and the upper ends of the ejector pin and the water gap needle sequentially penetrate through the movable die plate and the movable die core upwards and then are inserted into the die cavity.
After the scheme is adopted, the ejector pin comprises an ejector pin top plate, an ejector pin bottom plate, an upper ejector sleeve, a lower ejector sleeve and an inner ejector sleeve needle; when the product injection moulding, the back-off parcel that the waste material of moulding plastics will take out a section of thick bamboo inner needle is lived, because of runner thimble upper end is equipped with the recess that encircles the whole week, this recess plays the effect of holding the product for the product can not glue on front mould benevolence, avoids the product to warp and strain, improves the productivity effect, reduction in production cost.
The utility model is further described with reference to the following figures and specific embodiments.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the upper ejector sleeve, lower ejector sleeve, and inner needle of the ejector sleeve of the present invention engaged therewith;
FIG. 3 is a diagram illustrating an open mold state of the present invention;
FIG. 4 is a state view of the utility model in a mold-released state;
fig. 5 is an enlarged view of a portion of the upper end of the inner needle of the cartridge of the present invention.
Detailed Description
As shown in fig. 1 and 2, the utility model relates to a runner ejection mold for a soft rubber product, which comprises a fixed mold plate 1, a movable mold plate 2, square iron 3, a bottom plate 4, a fixed mold core 5, a movable mold core 6, a guide mechanism 7, an ejector pin 8, a nozzle pin 9, an ejector pin top plate 10, an ejector pin bottom plate 11, an upper ejector sleeve 12, a lower ejector sleeve 13 and an ejector sleeve inner pin 14.
The fixed die plate 1 is opposite to the movable die plate 2 and is connected with the movable die plate 2 through a guide mechanism 7, the fixed die core 5 and the movable die core 6 are respectively fixed on the fixed die plate 1 and the movable die plate 2, and the movable die plate 2 is connected with the bottom plate 4 through square iron 3; the bottom surface of the ejector pin top plate 10 and the top surface of the ejector pin bottom plate 11 are fixed together, the ejector pin top plate 10 and the ejector pin bottom plate 11 which are fixed together are arranged between the movable template 2 and the bottom plate 4, the upper part of the upper ejector sleeve 12 is movably arranged in the movable template 2 and the movable die core 6 in a penetrating manner, the lower part of the lower ejector sleeve 13 is movably arranged in the stepped hole 41 of the bottom plate 4 in a penetrating manner, and the hanging platform 141 at the lower end of the ejector sleeve inner needle 14 can be abutted against the stepped surface of the stepped hole 41 of the bottom plate 4; the lower end of the upper cylinder 12 is fixed in the upper cylinder stepped hole 101 of the thimble top plate 10, the hanging table 121 on the lower end of the upper cylinder 12 abuts against the stepped surface of the upper cylinder stepped hole 101, the upper end of the lower cylinder 13 is fixed in the lower cylinder stepped hole 111 of the thimble bottom plate 11, the hanging table 131 on the upper end of the lower cylinder 13 abuts against the stepped surface of the lower cylinder stepped hole 111, the upper cylinder 12 and the lower cylinder 13 are coaxially arranged, the cylinder inner needle 14 is movably inserted in the upper cylinder 12 and the lower cylinder 13, the upper end of the cylinder inner needle 14 penetrates through the upper cylinder 12 and extends into the cavity, and the upper end of the cylinder inner needle 14 is provided with two grooves 141 or back-offs (as shown in fig. 5) around the whole circumference. The lower ends of the thimble 8 and the nozzle needle 9 are fixed on a top plate formed by a thimble top plate 10 and a thimble bottom plate 11, and the upper ends of the thimble 8 and the nozzle needle 9 sequentially penetrate upwards through the movable mould plate 2 and the movable mould core 6 and then are inserted into the mould cavity.
The working principle of the utility model is as follows:
as shown in fig. 1 and 5, when the mold is closed, the fixed mold core 5 coincides with the moving mold core 6, the ejector pin top plate 10 retreats to the bottom, the product 100 is injection molded, and the groove 141 (or the undercut) on the inner pin 14 of the ejector sleeve is covered, so that the risk of adhering the front mold core can be avoided due to the existence of the groove 141 at the opening of the inner pin 14 of the ejector sleeve.
As shown in fig. 3, when the mold is opened, the fixed mold core 5 is separated from the movable mold core 6, the ejector rod 15 pushes the ejector pin top plate 10 and the ejector pin bottom plate 11, the ejector pin top plate 10 and the ejector pin bottom plate 11 drive the upper ejector cylinder 12 and the lower ejector cylinder 13 to advance, and when the maximum stroke of the inner needle 14 of the ejector cylinder is reached, the ejector pin top plate 10 stops moving at the bottom plate 4, and at this time, the ejector pin top plate 10 does not reach the maximum stroke of ejecting the product 100, and the ejector pin top plate 10 continues to advance, and when the maximum stroke is reached.
As shown in fig. 4, the pin top plate 10 and the pin bottom plate 11 stop moving forward at the movable mold plate 2, and the pin 8 and the nozzle pin 9 eject the product 100, so that automatic mold release can be realized without sticking the mold core 6 and the flow channel.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (4)
1. The utility model provides a ejecting mould of flexible glue product runner which characterized in that: the ejector pin comprises an ejector pin top plate, an ejector pin bottom plate, an upper ejector sleeve, a lower ejector sleeve and an ejector sleeve inner pin; the bottom surface of the ejector pin top plate is fixed with the top surface of the ejector pin bottom plate, the lower end of the ejector pin barrel is fixed in an ejector pin barrel stepped hole of the ejector pin top plate, a hanging table on the lower end of the ejector pin barrel is abutted against the stepped surface of the upper ejector pin barrel stepped hole, the upper end of the lower ejector pin barrel is fixed in a lower ejector pin barrel stepped hole of the ejector pin bottom plate, a hanging table on the upper end of the lower ejector pin barrel is abutted against the stepped surface of the lower ejector pin barrel stepped hole, the ejector pin barrel and the lower ejector pin barrel are coaxially arranged, and an ejector pin inner pin is movably arranged in the ejector pin barrel and the lower ejector pin barrel, and the upper end of an ejector pin inner pin penetrates out of the ejector pin barrel.
2. The soft rubber product runner ejection die of claim 1, which is characterized in that: the upper end of the inner needle of the ejector sleeve is provided with more than one groove which surrounds the whole circumference.
3. The soft rubber product runner ejection die of claim 1, which is characterized in that: the device also comprises a fixed template, a movable template, square iron, a bottom plate, a fixed die core, a movable die core and a guide mechanism; the fixed die plate and the movable die plate are arranged oppositely and connected through a guide mechanism, the fixed die core and the movable die core are respectively fixed on the fixed die plate and the movable die plate, and the movable die plate is connected with the bottom plate through square iron; the ejector top plate and the ejector bottom plate which are fixed together are arranged between the movable template and the bottom plate, the upper part of the upper ejector cylinder is movably arranged in the movable template and the movable die core in a penetrating manner, the lower part of the lower ejector cylinder is movably arranged in the stepped hole of the bottom plate in a penetrating manner, and the hanging table at the lower end of the inner needle of the ejector cylinder can be abutted against the stepped surface of the stepped hole of the bottom plate.
4. The soft rubber product runner ejection die of claim 3, which is characterized in that: the device also comprises a thimble and a water inlet needle; the lower ends of the ejector pin and the water gap needle are fixed on a top plate formed by an ejector pin top plate and an ejector pin bottom plate, and the upper ends of the ejector pin and the water gap needle sequentially penetrate through the movable die plate and the movable die core upwards and then are inserted into the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295411.2U CN216732841U (en) | 2021-12-24 | 2021-12-24 | Ejecting mould of flexible glue product runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123295411.2U CN216732841U (en) | 2021-12-24 | 2021-12-24 | Ejecting mould of flexible glue product runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216732841U true CN216732841U (en) | 2022-06-14 |
Family
ID=81937492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123295411.2U Active CN216732841U (en) | 2021-12-24 | 2021-12-24 | Ejecting mould of flexible glue product runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216732841U (en) |
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2021
- 2021-12-24 CN CN202123295411.2U patent/CN216732841U/en active Active
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Address after: 361000 Room 101, No. 2, Kengping Road, Guankou Town, Jimei District, Xiamen, Fujian Patentee after: Xiamen Youjia Precision Industry Co.,Ltd. Address before: 361000 3rd floor, No.3, Zhongwan Road, Xingbei Industrial Zone, Jimei District, Xiamen City, Fujian Province Patentee before: XIAMEN YOUJIA MOULD Co.,Ltd. |