CN219820517U - Sleeve structure for waterway avoidance of insert needle - Google Patents
Sleeve structure for waterway avoidance of insert needle Download PDFInfo
- Publication number
- CN219820517U CN219820517U CN202321277808.5U CN202321277808U CN219820517U CN 219820517 U CN219820517 U CN 219820517U CN 202321277808 U CN202321277808 U CN 202321277808U CN 219820517 U CN219820517 U CN 219820517U
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- China
- Prior art keywords
- sleeve
- sleeve structure
- insert
- injection mold
- waterway
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- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims 4
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 11
- 239000004033 plastic Substances 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a sleeve structure for a waterway avoiding insert pin, which is sleeved on the insert pin, inserted in an injection mold and internally provided with a coaxial hollow sleeve hole; the outer side wall of the sleeve structure is provided with a recessed water channel surrounding the sleeve structure, the radial direction of the recessed water channel is communicated with a cooling water channel in the injection mold, and sealing treatment is carried out between the outer side wall of the sleeve structure and the injection mold. The rear end of the sleeve structure is connected with the injection mold through the anti-jacking fixing seat, and the rear end part of the insert pin is connected with the anti-jacking fixing seat through a bolt. The insert pin is also sleeved with a compression spring, and the compression spring is accommodated inside the rear end part of the sleeve structure. The utility model can effectively solve the position conflict between the arrangement of the cooling water paths in the injection mold and the installation of the insert pins, so that the cooling water can directly bypass the periphery of the insert pins to the opposite side, the arrangement of the cooling water paths is optimized, the uniform cooling of injection products is achieved, the quality and quality of the molding of the products are improved, and the production period is shortened.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a sleeve structure for waterway avoidance of an insert pin.
Background
With the rapid development of the plastic industry, various tools and products used in daily production and life, such as ships, automobiles, screws, buttons and shells of various household appliances, are not closely related to plastic products. The injection mold is an important technological equipment for producing various plastic industrial products, and is also a tool for endowing plastic products with complete structures and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and specifically refers to that heated and melted plastic is injected into a mold cavity formed by buckling a movable mold and a fixed mold through an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. In order to enable an injection molding product to be uniformly cooled and rapidly molded and ejected in a short time, a cooling water channel is often arranged in the injection mold, the arrangement of the water channel directly influences the molding quality and the molding period of the product, and therefore the arrangement of the cooling water channel in the mold or the injection molding sliding block often has certain specificity, for example, the cooling water channel is close to a place with more heat, far away from a place with less heat, and two sides are directly connected. However, in the path of the waterway layout, due to the existence of different specifications of the mold, the cooling waterway and some insert needles for injection molding can be intersected and positively flushed, so that the arrangement and erection of the two parties have certain mutual influence, and finally the uniform cooling quality of the injection molding product is influenced.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a sleeve structure for avoiding an insert pin in a waterway.
In order to solve the technical problems, the utility model adopts the following technical scheme: the sleeve structure is sleeved on the insert pin, is inserted into an injection mold, has a columnar overall structure and is internally provided with a coaxial hollow sleeve hole; the outer side column wall of the sleeve structure is provided with a recessed water channel surrounding the sleeve structure, the radial direction of the recessed water channel is communicated with a cooling water channel in the injection mold, and sealing treatment is carried out between the outer side wall of the sleeve structure and the injection mold; the rear end of the sleeve structure is connected with the injection mold through the anti-jacking fixing seat, the rear end of the insert pin is connected with the anti-jacking fixing seat through a bolt, the insert pin is further sleeved with a compression spring, the compression spring is accommodated inside the rear end of the sleeve structure, one end of the compression spring is propped against the sleeve structure, and the other end of the compression spring is propped against the anti-jacking fixing seat.
Further, a sealing groove around the ring sleeve is arranged on the outer side wall of the sleeve at the front part of the concave water through groove, and two sealing grooves around the ring sleeve are equidistantly arranged on the outer side wall of the sleeve at the rear part of the concave water through groove; the front end face of the sleeve structure is also provided with a coaxial annular sealing groove.
Further, rubber sealing rings corresponding to the sealing grooves are arranged in all sealing grooves and the annular sealing grooves on the outer side wall of the sleeve.
Further, the rear end of the sleeve structure is recessed inwards to form a spring accommodating cavity.
Further, the rear end outer diameter of the sleeve structure is larger than the middle outer diameter of the sleeve structure, and the middle outer diameter of the sleeve structure is larger than the front end outer diameter of the sleeve structure.
Further, the injection mold is provided with an insert mounting hole, the insert of the sleeve structure is inserted into the corresponding insert mounting hole, and the inner side of the insert mounting hole is provided with a round table and is matched with the outer side wall of the sleeve structure.
Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple integral structure and convenient installation, and can effectively solve the position conflict between the arrangement of the cooling water path and the installation of the insert pin in the injection mold, so that the cooling water can directly bypass the periphery of the insert pin to reach opposite surfaces, the arrangement is concise, the arrangement of the cooling water path is optimized, the uniform cooling of injection products is achieved, the quality and quality of the product molding are improved, and the production period is shortened.
Drawings
FIG. 1 is a schematic view of the overall structure of a sleeve structure of the present utility model;
FIG. 2 is an isometric view of the structure of FIG. 1;
FIG. 3 is a rear side view of the structure of FIG. 1;
FIG. 4 is a diagram showing the relationship between the sleeve structure and the insert pin according to the present utility model;
FIG. 5 is a view showing the structure of the insert pin of the present utility model;
FIG. 6 is a structural view of the present utility model applied to an injection mold;
FIG. 7 is a longitudinal cross-sectional view of the sleeve structure of FIG. 6 in an installed position within an injection mold;
FIG. 8 is an interior view of a mounting hole for a needle insert on an injection mold;
in the figure: 1. the novel hydraulic valve comprises a sleeve structure, a needle, a compression spring, a reverse jacking fixing seat, an injection molding sliding block, a cooling water channel, a needle mounting hole, a hollow sleeve hole, a recessed water through groove, a first sealing groove, a second sealing groove, a third sealing groove, a ring-shaped sealing groove, a spring accommodating cavity, a sealing ring and a connecting hanging lug.
Detailed Description
It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and relational terms are merely determined to facilitate description of structural relationships of the components of the present utility model, and do not particularly denote that any one of the components of the present utility model must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present utility model.
Furthermore, the descriptions of the elements and operations described in the "first," "second," and the like are provided for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical language and are not to be construed as indicating or implying any particular importance or order of such elements or operations. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:
as shown in fig. 1 to 5, a sleeve structure for a waterway avoidance insert pin is a cylindrical structure, the center of the inside of the sleeve structure 1 is provided with a coaxial hollow sleeve hole 10 along the length direction of the sleeve structure, two ends of the sleeve structure are communicated, the rear end surface of the sleeve structure 1 is inwards recessed to form a spring accommodating cavity 16, and the inner diameter of the spring accommodating cavity 16 is larger than the diameter of the hollow sleeve hole 10; a concave water through groove 11 surrounding the sleeve structure 1 is arranged on the outer side wall of the sleeve structure 1 and near the front end of the sleeve structure, and the radial direction of the concave water through groove 11 is communicated with a cooling water path in the injection mold; a first sealing groove 12 surrounding the ring sleeve is arranged on the outer wall of the sleeve at the front side of the concave water through groove 11, a second sealing groove 13 surrounding the ring sleeve and a third sealing groove 14 surrounding the ring sleeve are arranged on the outer wall of the sleeve at the rear side of the concave water through groove 11 at equal intervals, sealing rings 17 made of rubber materials are arranged in the first sealing groove 12, the second sealing groove 13 and the third sealing groove 14, and the outer edge of each sealing ring 17 slightly protrudes out of the corresponding sealing groove outer edge so as to increase the tightness; the front end face of the sleeve structure 1 is also provided with an annular sealing groove 15 which is coaxial with the hollow sleeve hole 10 and has a diameter larger than that of the hollow sleeve hole 10, and a sealing ring 17 made of rubber material is also arranged in the annular sealing groove 15.
When in use, the sleeve structure 1 is sleeved on the insert needle 2 from the front end of the insert needle 2, the insert needle 2 is also sleeved with the compression spring 3, the compression spring 3 is accommodated in the spring accommodating cavity 16 at the rear end of the sleeve structure 1, one end of the compression spring 3 is propped against the front end side wall of the spring accommodating cavity 16, and the other end is propped against the rear end of the insert needle 2. As shown in fig. 6 to 8, a cooling water channel 6 is arranged in the injection molding slide block 5 of the injection mold for cooling and shaping a product, and when the cooling water channel 6 is crossed and collided with the mounting position of the insert needle 2, an insert needle mounting hole 7 is formed in the injection molding slide block 5, and the inner side wall of the insert needle mounting hole 7 is in a circular table shape; insert the thimble 2 that is equipped with sleeve pipe structure 1 in corresponding thimble mounting hole 7, the rear end external diameter of sleeve pipe structure 1 is greater than the middle part external diameter of sleeve pipe structure 1, the middle part external diameter of sleeve pipe structure 1 is greater than the front end external diameter of sleeve pipe structure 1, with the round platform punching a hole setting of adaptation thimble mounting hole 7, the sleeve pipe structure 1 and the inside wall contact of thimble mounting hole 7 this moment, accomplish the relative seal between them through the effect of sealing washer 17, make sunken water channel 11 just right with cooling water route 6, the cooling water is when flowing through thimble 2, encircle outside a week of thimble 2 through sunken water channel 11, direct offside cooling water route 6. When the sleeve structure 1 is arranged in the injection molding sliding block 5, the outer side of the rear end of the sleeve structure is propped against the anti-jacking fixed seat 4, and the anti-jacking fixed seat 4 is fixedly connected with the injection molding sliding block 5 through a countersunk bolt; the connecting hanging lugs 20 are arranged on one side of the rear end part of the insert needle 2, the insert needle 2 and the anti-jacking fixing seat 4 are fixed by penetrating through the connecting hanging lugs 20 through countersunk bolts, and the cooperation between the structures is completed.
The arrangement of the sleeve structure 1 can effectively solve the position conflict between the arrangement of the cooling water channel 6 in the injection mold and the installation of the insert needle 2, so that the cooling water can directly bypass the periphery of the insert needle 2 to reach opposite surfaces, the arrangement is concise, the arrangement of the cooling water channel 6 is optimized, the uniform cooling of injection products is achieved, the quality and quality of product molding are improved, and the production period is shortened.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.
Claims (6)
1. A sleeve pipe structure that is used for waterway to dodge and inserts needle, its characterized in that: the sleeve structure is sleeved on the insert pin and inserted in the injection mold, the whole structure is columnar, and a coaxial hollow sleeve hole is arranged in the sleeve structure; the outer side column wall of the sleeve structure is provided with a recessed water channel surrounding the sleeve structure, the radial direction of the recessed water channel is communicated with a cooling water channel in the injection mold, and sealing treatment is carried out between the outer side wall of the sleeve structure and the injection mold; the rear end of the sleeve structure is connected with the injection mold through the anti-jacking fixing seat, the rear end of the insert pin is connected with the anti-jacking fixing seat through a bolt, the insert pin is further sleeved with a compression spring, the compression spring is accommodated inside the rear end of the sleeve structure, one end of the compression spring is propped against the sleeve structure, and the other end of the compression spring is propped against the anti-jacking fixing seat.
2. A cannula construction for waterway avoidance insert needle according to claim 1, characterized in that: a sealing groove surrounding the annular sleeve is formed in the outer side wall of the sleeve at the front part of the concave water through groove, and two sealing grooves surrounding the annular sleeve are formed in the outer side wall of the sleeve at the rear part of the concave water through groove at equal intervals; the front end face of the sleeve structure is also provided with a coaxial annular sealing groove.
3. A cannula construction for waterway avoidance inserts as defined in claim 2, wherein: rubber sealing rings corresponding to the sealing grooves are arranged in all the sealing grooves and the annular sealing grooves on the outer side wall of the sleeve.
4. A cannula construction for waterway avoidance insert needle according to claim 1, characterized in that: the rear end of the sleeve structure is inwards recessed to form a spring accommodating cavity.
5. A cannula construction for waterway avoidance insert needle according to claim 1, characterized in that: the rear end external diameter of sleeve pipe structure is greater than the middle part external diameter of sleeve pipe structure, and the middle part external diameter of sleeve pipe structure is greater than the front end external diameter of sleeve pipe structure.
6. The cannula structure for waterway avoidance insert of claim 5, wherein: the injection mold is provided with an insert mounting hole, an insert of the sleeve structure is inserted into the corresponding insert mounting hole, and the inner side of the insert mounting hole is provided with a round table and is matched with the outer side wall of the sleeve structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277808.5U CN219820517U (en) | 2023-05-25 | 2023-05-25 | Sleeve structure for waterway avoidance of insert needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277808.5U CN219820517U (en) | 2023-05-25 | 2023-05-25 | Sleeve structure for waterway avoidance of insert needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820517U true CN219820517U (en) | 2023-10-13 |
Family
ID=88278337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321277808.5U Active CN219820517U (en) | 2023-05-25 | 2023-05-25 | Sleeve structure for waterway avoidance of insert needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820517U (en) |
-
2023
- 2023-05-25 CN CN202321277808.5U patent/CN219820517U/en active Active
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