CN211891772U - Die structure without joint line on product welding surface - Google Patents
Die structure without joint line on product welding surface Download PDFInfo
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- CN211891772U CN211891772U CN202022109849.6U CN202022109849U CN211891772U CN 211891772 U CN211891772 U CN 211891772U CN 202022109849 U CN202022109849 U CN 202022109849U CN 211891772 U CN211891772 U CN 211891772U
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- die
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- positioning
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- 238000003466 welding Methods 0.000 title claims abstract description 22
- 238000000465 moulding Methods 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a die structure without a joint line on a product welding surface, which comprises an upper die, a lower die, a slide block and a die core, wherein a plurality of product forming cavities are arranged on the lower die, the structure of the product forming cavities comprises a positioning groove, a forming step and a die core jack positioned at the central part of the positioning groove from top to bottom, two slide block jacks are symmetrically arranged on the side wall of the die core jack, a slide block is arranged in each slide block jack, and a gap is arranged between each slide block jack and the forming step; the terminal surface is provided with the location lug that cooperatees and use with positioning groove under the last mould, and terminal surface and positioning groove bottom end face are connected under the lug, and the mould structure that uses in this application sets up the fashioned part of nozzle welding limit in the shaping intracavity into the integral type structure, adopts this kind of structure can not form the joint line on the welding edge after moulding plastics, in addition, for the ease of the drawing of patterns, will be used for the fashioned part of nozzle tube-shape portion, is provided with the slider structure that can be for pulling out and pushing.
Description
Technical Field
The utility model relates to a nozzle product manufacturing technical field especially relates to a product welding face does not have mould structure of joint line.
Background
Currently, nozzles and similar products on the market are generally required to be used after being welded with films, and are limited to the existing mold structure, and after the products are subjected to injection molding, a joint line exists on the welding surface of the products. In the production process, along with the long-term use and the wearing and tearing of mould, the joint line segment difference of the product welding face of the department of moulding plastics can be bigger and bigger to, cause the film to weld after insecure, unseal extremely easily.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present application is to provide a mold structure without a joint line on a product welding surface.
In order to realize the purpose of the utility model, the utility model provides a die structure without a joint line on the welding surface of a product, which comprises an upper die, a lower die, a slide block and a die core,
the lower die is provided with a plurality of product forming cavities, the product forming cavities comprise positioning grooves, forming steps and die core jacks positioned in the center parts of the positioning grooves from top to bottom,
two slide block jacks are symmetrically arranged on the side walls of the mold core jacks, a slide block which is in sliding connection with the slide block jack is arranged in each slide block jack, the two slide blocks are symmetrically arranged, the inner side surfaces of the slide blocks are matched with the side walls of the mold core jacks which are connected, and a gap is reserved between each slide block jack and a forming step;
the lower end surface of the upper die is provided with a positioning lug matched with the positioning groove for use, the lower end surface of the positioning lug is connected with the bottom end surface of the positioning groove, a cavity between the lower end surface of the upper die and the forming step is a nozzle welding edge forming cavity,
the mold core is inserted into the upper end from the mold core jack and is pressed against the lower end face of the upper mold, and a cavity among the mold core, the mold core jack and the slide block is a nozzle cylindrical part forming cavity.
Furthermore, four product forming cavities are arranged on the lower die.
Furthermore, the upper end surface of the lower die is connected with a plurality of positioning columns, the upper die is provided with a plurality of positioning holes, and the positioning columns corresponding to the positioning columns penetrate through the positioning holes.
Compared with the prior art, the beneficial effects of the utility model are that, the mould structure that uses in this application sets up the fashioned part in the shaping intracavity nozzle welding limit into the integral type structure, adopts this kind of structure can not form the joint line on the welding edge after moulding plastics, in addition, for the ease of the drawing of patterns, will be used for the fashioned part of nozzle tube-shape portion, is provided with the slider structure that can be for pulling out and pushing.
Drawings
FIG. 1 is a first schematic view of the structure of the present application;
FIG. 2 is a schematic cross-sectional view of the present application;
FIG. 3 is a schematic view of the lower die structure of the present application;
FIG. 4 is a first schematic view of a cross-sectional structure of a lower die structure of the present application;
FIG. 5 is a second schematic view of a cross-sectional structure of a lower die structure of the present application;
FIG. 6 is a schematic diagram of a two-block splicing structure of the present application;
FIG. 7 is a schematic structural view of a single slider of the present application;
FIG. 8 is a schematic view of the upper die configuration of the present application;
FIG. 9 is a second schematic view of the structure of the present application;
FIG. 10 is a third schematic view of the structure of the present application;
FIG. 11 is a fourth schematic view of the structure of the present application;
in the figure: 1-upper die, 2-lower die, 3-slide block, 4-die core, 5-glue injection hole, 6-positioning column, 7-positioning groove, 8-forming step, 9-slide block jack, 10-die core jack, 11-positioning lug, 12-bulge, 13-slide block seat, 14-inclined pressing block and 15-inclined guide column.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-8, the utility model provides a die structure without a joint line on the welding surface of a product, which comprises an upper die 1, a lower die 2, a slide block 3 and a die core 4,
the lower die 2 is provided with a plurality of product forming cavities, the product forming cavities comprise a positioning groove 7, a forming step 8 and a die core jack 10 positioned in the center of the positioning groove 7 from top to bottom,
two slide block jacks 9 are symmetrically arranged on the side walls of the mold core jacks 10, a slide block 3 which is in sliding connection with the slide block jacks 9 is arranged in each slide block jack 9, the two slide blocks 3 are symmetrically arranged, the inner side surfaces of the slide blocks 3 are matched with the side walls of the mold core jacks 10 which are connected, and a gap is formed between each slide block jack 9 and the forming step 8;
the lower end surface of the upper die 1 is provided with a positioning lug 11 matched with the positioning groove 7 for use, the lower end surface of the positioning lug 11 is connected with the bottom end surface of the positioning groove 7, a cavity between the lower end surface of the upper die 1 and the forming step 8 is a nozzle welding edge forming cavity,
the mold core 4 is inserted into the upper end from the mold core insertion hole 10 and is pressed against the lower end face of the upper mold 1, and a cavity among the mold core 4, the mold core insertion hole 10 and the slide block 3 is a nozzle cylindrical part forming cavity.
Furthermore, four product forming cavities are arranged on the lower die 2.
Furthermore, the upper end surface of the lower die 2 is connected with a plurality of positioning columns 6, the upper die 1 is provided with a plurality of positioning holes, and the positioning columns 6 corresponding to the positioning holes penetrate through the positioning holes.
In addition, the upper die 1 is provided with a glue injection hole 5 matched with the finished product forming cavity, and the lower end surface of the upper die 1 is provided with a bulge 12.
The product in this application sets up the fashioned part in the shaping intracavity that is used for nozzle welding limit into integral type structure for the mould structure that uses, adopts this kind of structure can not form the joint line on the welding edge after moulding plastics, in addition, in order to facilitate the drawing of patterns, will be used for the fashioned part of nozzle tube-shape portion, is provided with can be for pulling out and the 3 structures of slider that push.
As shown in fig. 9-11, disclosed is a specific example structure of the adjoining structure of the present application, comprising: the slider comprises a slider seat 13, an inclined pressing block 14, an inclined guide post 15 and the like, wherein the slider 3 and the slider seat 13 are positioned by a positioning groove and fixed by screws; the sliding block seat 13 is fixed on the movable mould plate through a pressing strip, the inclined pressing block 14 and the inclined guide post 15 are fixed on the fixed mould plate, and the fixed mould plate is fixed through screws. The slider holder 13 is pressed by the ramp block 14 during mold closing.
After the upper die and the lower die are tightly closed, the sliding blocks 3 enter from the side edges of the driven die, and the sliding blocks 3 on the two sides are butted and attached tightly; when the mold is opened, the upper mold and the lower mold are separated, meanwhile, the inclined guide post 15 pulls the slide block seat 13 open, the slide block 3 is pulled out from two sides of the driven mold, a product is ejected after the mold is opened to a fixed distance, and the welding surface of the product is smooth.
The technical means not described in detail in the present application are known techniques.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A die structure without a joint line on the welding surface of a product is characterized by comprising an upper die, a lower die, a sliding block and a die core,
the lower die is provided with a plurality of product forming cavities, the product forming cavities comprise positioning grooves, forming steps and die core jacks positioned in the center parts of the positioning grooves from top to bottom,
two slide block jacks are symmetrically arranged on the side walls of the mold core jacks, a slide block which is in sliding connection with the slide block jack is arranged in each slide block jack, the two slide blocks are symmetrically arranged, the inner side surfaces of the slide blocks are matched with the side walls of the mold core jacks which are connected, and a gap is reserved between each slide block jack and a forming step;
the lower end surface of the upper die is provided with a positioning lug matched with the positioning groove for use, the lower end surface of the positioning lug is connected with the bottom end surface of the positioning groove, a cavity between the lower end surface of the upper die and the forming step is a nozzle welding edge forming cavity,
the mold core is inserted into the upper end from the mold core jack and is pressed against the lower end face of the upper mold, and a cavity among the mold core, the mold core jack and the slide block is a nozzle cylindrical part forming cavity.
2. The die structure without a joint line for the welding surface of a product as claimed in claim 1, wherein four product forming cavities are provided on the lower die.
3. The die structure without a joint line for the welding surface of a product as claimed in claim 1, wherein a plurality of positioning posts are connected to the upper end surface of the lower die, a plurality of positioning holes are formed in the upper die, and the positioning posts are correspondingly inserted through the positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109849.6U CN211891772U (en) | 2020-09-24 | 2020-09-24 | Die structure without joint line on product welding surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109849.6U CN211891772U (en) | 2020-09-24 | 2020-09-24 | Die structure without joint line on product welding surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211891772U true CN211891772U (en) | 2020-11-10 |
Family
ID=73265596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022109849.6U Active CN211891772U (en) | 2020-09-24 | 2020-09-24 | Die structure without joint line on product welding surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211891772U (en) |
-
2020
- 2020-09-24 CN CN202022109849.6U patent/CN211891772U/en active Active
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