CN221659943U - Mould structure without secondary processing of rubber mouth of ejector pin - Google Patents
Mould structure without secondary processing of rubber mouth of ejector pin Download PDFInfo
- Publication number
- CN221659943U CN221659943U CN202323342295.4U CN202323342295U CN221659943U CN 221659943 U CN221659943 U CN 221659943U CN 202323342295 U CN202323342295 U CN 202323342295U CN 221659943 U CN221659943 U CN 221659943U
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- plate
- thimble
- product
- port
- ejector
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- 239000003292 glue Substances 0.000 claims abstract description 33
- 230000009189 diving Effects 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die structure without secondary processing of a rubber port of a diving thimble, which comprises an upper base plate, an upper template, a lower base plate, a lower die holder, a rubber port thimble plate and an oil cylinder which are sequentially arranged from top to bottom, wherein the lower die holder is provided with a product thimble plate, the product thimble plate is provided with a stub bar thimble capable of penetrating the lower base plate and the lower template and a product thimble, the glue port thimble plate is positioned between the lower base plate and the product thimble plate, the glue port thimble plate is provided with a glue port thimble, the glue port thimble can penetrate through the lower base plate and the lower template, the top end surface of the glue port thimble is of a horizontal structure, and when the die is closed, the top end of the glue port thimble is lower than the glue port of the runner on the lower template; the oil cylinder is arranged on the product ejector plate, the end part of the telescopic shaft of the oil cylinder is fixedly connected with the bottom of the rubber port ejector plate, and the oil cylinder can drive the rubber port ejector plate to move up and down between the lower base plate and the product ejector plate. The utility model can save secondary processing procedures, manpower and equipment required by secondary processing, and improve the yield and the productivity of products.
Description
Technical Field
The utility model relates to a die structure without secondary processing of a rubber port of a diving thimble.
Background
As shown in fig. 1, in the conventional molding structure, glue is fed on a thimble in a submerged manner, the head of the thimble 3' adopts a bevel edge cutting 3a ' manner, a stub bar thimble 5', a glue port thimble 3', and a product thimble 4' are all arranged on a product thimble plate 6', the stub bar thimble 5' is positioned below a runner, the glue port 1' of the runner of the glue port thimble 3', and the product thimble 4' is positioned below a product 2 '. After the mold is opened to eject the product 2', the residual glue opening is removed by secondary processing. The product 2 'needs secondary processing after the shaping, needs to increase manpower, secondary processing inefficiency, secondary processing can produce product 2' and damage etc. bad, increases substantially manufacturing cost, has the residue after the gum mouth is got rid of, must avoid the assembly position when leading to arranging the gum mouth, and the selectable region in gum mouth position is few.
Disclosure of utility model
In order to overcome the above disadvantages, the present utility model is to provide a mold structure without secondary processing of the rubber openings of the ejector pins, which can save secondary processing steps, labor and equipment required for secondary processing, and improve product yield and productivity
In order to achieve the above purpose, the utility model adopts the following technical scheme: the die structure comprises an upper base plate, an upper die plate, a lower base plate and a lower die base which are sequentially arranged from top to bottom, wherein a product ejector plate is arranged on the lower die base, a stub bar ejector pin and a product ejector pin which can penetrate through the lower base plate and the lower die plate are arranged on the product ejector plate, and the stub bar ejector pin and the product ejector pin are respectively positioned below a runner of the lower die plate and below a product; the machine also comprises a rubber port ejector plate and an oil cylinder, wherein the rubber port ejector plate is positioned between the lower base plate and the product ejector plate, a rubber port ejector pin is arranged on the rubber port ejector plate, the rubber port ejector pin can penetrate through the lower base plate and the lower template, the end face of the top end of the rubber port ejector pin is of a horizontal structure, and when the mold is closed, the top end of the rubber port ejector pin is lower than the rubber port of the runner on the lower template; the oil cylinder is arranged on the product ejector plate, the end part of the telescopic shaft of the oil cylinder is fixedly connected with the bottom of the rubber port ejector plate, and the oil cylinder can drive the rubber port ejector plate to move up and down between the lower base plate and the product ejector plate.
Preferably, the oil cylinders are provided with at least two groups, the two groups of oil cylinders are symmetrically arranged, and each group of oil cylinders comprises at least one oil cylinder.
Preferably, at least two product ejector pins are arranged.
Preferably, the connection part of the rubber port ejector plate and the rubber port ejector pin, the connection part of the product ejector plate and the product ejector pin, and the connection part of the material product ejector plate and the material head ejector pin are all fixed by clamping.
Preferably, the rubber port ejector plate comprises a rubber port ejector plate and a rubber port ejector plate which are arranged up and down, and the connecting part of the rubber port ejector pin is clamped on the lower end face of the rubber port ejector plate.
Preferably, the product thimble plate comprises an upper product thimble plate and a lower product thimble plate which are arranged up and down, and the connecting part of the product thimble and the connecting part of the stub bar thimble are clamped on the lower end face of the upper product thimble plate.
Preferably, a plurality of second guide posts are arranged between the lower die base and the lower base plate, and the rubber port thimble plate is sleeved on the plurality of second guide posts.
The novel structure adopts the mode of in-mold ejection or in-mold cylinder ejection, and the plastic of the stub bar part is pushed into the product, so that the shrinkage of the product can be compensated, the product has no residual glue port, the whole process can not lengthen the molding period, the stub bar is not required to be processed secondarily after molding, and the cost is saved to a great extent.
Drawings
FIG. 1 is a prior art mold structure;
FIG. 2 is a schematic view of the mold assembly of the present embodiment;
Fig. 3 is a schematic structural diagram of the cylinder driving the glue port ejector plate and the glue port ejector pin to move up to the limit position in the present embodiment;
fig. 4 is a schematic structural diagram of a normal ejection product of an ejector rod of a machine after die opening in the embodiment;
fig. 5 is a schematic structural view of the product ejector pin and the glue-gate ejector pin according to the present embodiment in the retracted initial position.
1' -Glue mouth; 2' -product; 3' -rubber port thimble; 4' -product thimble; 5' -stub bar thimble; 6' -product ejector plate;
1-a glue port; 2-product; 3-a rubber port thimble; 4, product thimble; 5-a stub bar thimble; 6-a glue port ejector plate; 7-a product ejector plate; 8-an oil cylinder; 9-an upper backing plate; 10-upper template; 11-lower template; 12-a lower backing plate; 13-a lower die holder; 14-a first guide post; 15-a second guiding post.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 2-5, the embodiment discloses a mold structure without secondary processing of a rubber opening of a diving thimble, which comprises an upper base plate 9, an upper template 10, a lower template 11, a lower base plate 12 and a lower mold base 13 which are sequentially arranged from top to bottom, wherein a product thimble plate 7 is arranged on the lower mold base 13, a first guide column 14 is arranged between the lower mold base 13 and the lower base plate 12, the lower mold base 13 can lift along the first guide column 14, a material head thimble 5 and a product thimble 4 which can penetrate through the lower base plate 12 and the lower template 11 are arranged on the product thimble plate 7, the material head thimble 5 is positioned below a runner of the lower template 11, during mold opening, the product thimble 4 is positioned below the product 2, at least two product thimbles 4 in the embodiment are uniformly distributed below a forming cavity of the product 2, and during mold opening, the product thimble 4 ejects the product 2 in the lower template 10.
The die structure further comprises a rubber port thimble plate 6 and an oil cylinder 8, wherein the rubber port thimble plate 6 is positioned between the lower base plate 12 and the product thimble plate 7, the rubber port thimble plate 6 is provided with a rubber port thimble 3, the rubber port thimble 3 can penetrate through the lower base plate 12 and the lower die plate 11, the top end face of the rubber port thimble 3 is of a horizontal structure, and when the die is closed, the top end of the rubber port thimble 3 is lower than the rubber port 1 of a runner on the lower die plate 11; the oil cylinders 8 are provided with at least two groups, the two groups of oil cylinders 8 are symmetrically arranged, each group of oil cylinders 8 comprises at least one oil cylinder 8, each oil cylinder 8 is arranged on the product ejector plate 7, the end part of a telescopic shaft of each oil cylinder is fixedly connected with the bottom of the rubber port ejector plate 6, and the oil cylinders 8 can drive the rubber port ejector plate 6 to move up and down between the lower base plate 12 and the product ejector plate 7. The plastic of the stub bar part is pushed into the product by adopting an in-mold ejection or in-mold cylinder ejection mode, so that the shrinkage of the product can be compensated, and the product has no residual glue port.
As shown in fig. 2-5, the connection part of the rubber port thimble plate 6 and the rubber port thimble 3, the connection part of the product thimble plate 7 and the product thimble 4, and the connection part of the material product thimble plate 7 and the material head thimble 5 are all fixed by clamping.
The glue port ejector plate 6 comprises a glue port ejector plate and a glue port ejector plate which are arranged up and down, and the connecting part of the glue port ejector pin 3 is clamped on the lower end face of the glue port ejector plate. The product ejector plate 7 comprises an upper product ejector plate and a lower product ejector plate which are arranged up and down, and the connecting part of the product ejector 4 and the connecting part of the stub bar ejector 5 are clamped on the lower end face of the upper product ejector plate.
A plurality of second guide posts 15 are arranged between the lower die holder 13 and the lower base plate 12, and the rubber port ejector plate 6 is sleeved on the plurality of second guide posts 15, so that guidance is provided for the movement of the rubber port ejector plate 6.
The working principle of the embodiment is as follows: as shown in fig. 2, the mold is in a mold closing state, wherein the stub bar ejector pin 5 is positioned below the runner of the lower mold plate 11, the product ejector pin 4 is positioned below the product 2, and the top end of the glue port ejector pin 3 is positioned below the glue port 1 of the runner on the lower mold plate 11. As shown in fig. 3, the oil cylinder 8 drives the two rubber port thimble plates 6 and the rubber port thimble 3 to move upwards, the two rubber port thimble plates 6 stop when being moved to the lower end surface of the lower base plate 12, the lower base plate 12 plays a limiting role, and the positions of the product thimble 4 and the stub bar thimble 5 are not moved. As shown in fig. 4, after the mold is opened, the machine bench ejector rod drives the product ejector plate 7 to move upwards, the product ejector pin 4 ejects the product normally, and the stub bar ejector pin 5 ejects the material in the runner; as shown in fig. 5, the product ejector pin 4 and the rubber port ejector pin 3 and the stub bar ejector pin 5 are retracted to the initial positions.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a need not mould structure of secondary processing diving thimble glue mouth, includes upper padding plate (9), cope match-plate pattern (10), lower bolster (11), lower bolster (12), die holder (13) that set gradually from last to down, be provided with product thimble board (7) on die holder (13), be provided with on product thimble board (7) stub bar thimble (5), product thimble (4) that can run through lower bolster (12), lower bolster (11), stub bar thimble (5), product thimble (4) are located runner below, product (2) below of lower bolster (11) respectively, its characterized in that still includes:
The plastic port ejector pin plate (6), the plastic port ejector pin plate (6) is positioned between the lower base plate (12) and the product ejector pin plate (7), the plastic port ejector pin plate (6) is provided with a plastic port ejector pin (3), the plastic port ejector pin (3) can penetrate through the lower base plate (12) and the lower template (11), the top end face of the plastic port ejector pin (3) is of a horizontal structure, and when the mold is closed, the top end of the plastic port ejector pin (3) is lower than the plastic port (1) of a runner on the lower template (11);
the oil cylinder (8), the oil cylinder (8) is arranged on the product ejector plate (7), and the end part of the telescopic shaft of the oil cylinder is fixedly connected with the bottom of the rubber port ejector plate (6) and is used for driving the rubber port ejector plate (6) to move up and down between the lower base plate (12) and the product ejector plate (7).
2. The mold structure without secondary processing of the ejector pin glue port according to claim 1, wherein: the oil cylinders (8) are provided with at least two groups, the two groups of oil cylinders (8) are symmetrically arranged, and each group of oil cylinders (8) comprises at least one oil cylinder (8).
3. The mold structure without secondary processing of the ejector pin glue port according to claim 1, wherein: at least two product ejector pins (4) are arranged.
4. The mold structure without secondary processing of the ejector pin glue port according to claim 1, wherein: the connecting part of the rubber port thimble plate (6) and the rubber port thimble (3), the connecting part of the product thimble plate (7) and the product thimble (4) and the connecting part of the material product thimble plate (7) and the material head thimble (5) are all fixed by clamping.
5. The mold structure without secondary processing of the ejector pin glue port according to claim 4, wherein: the rubber port ejector plate (6) comprises a rubber port ejector plate and a rubber port ejector plate which are arranged up and down, and the connecting part of the rubber port ejector pin (3) is clamped on the lower end face of the rubber port ejector plate.
6. The mold structure without secondary processing of the ejector pin glue port according to claim 4, wherein: the product ejector plate (7) comprises an upper product ejector plate and a lower product ejector plate which are arranged up and down, and the connecting part of the product ejector pin (4) and the connecting part of the stub bar ejector pin (5) are clamped and arranged on the lower end face of the upper product ejector plate.
7. The mold structure without secondary processing of the ejector pin glue port according to claim 1, wherein: a plurality of second guide posts (15) are arranged between the lower die holder (13) and the lower base plate (12), and the rubber port thimble plate (6) is sleeved on the plurality of second guide posts (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323342295.4U CN221659943U (en) | 2023-12-08 | 2023-12-08 | Mould structure without secondary processing of rubber mouth of ejector pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323342295.4U CN221659943U (en) | 2023-12-08 | 2023-12-08 | Mould structure without secondary processing of rubber mouth of ejector pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221659943U true CN221659943U (en) | 2024-09-06 |
Family
ID=92576638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323342295.4U Active CN221659943U (en) | 2023-12-08 | 2023-12-08 | Mould structure without secondary processing of rubber mouth of ejector pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221659943U (en) |
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2023
- 2023-12-08 CN CN202323342295.4U patent/CN221659943U/en active Active
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