CN220464590U - Spinning frame cotton suction pipe forming die - Google Patents
Spinning frame cotton suction pipe forming die Download PDFInfo
- Publication number
- CN220464590U CN220464590U CN202321946133.9U CN202321946133U CN220464590U CN 220464590 U CN220464590 U CN 220464590U CN 202321946133 U CN202321946133 U CN 202321946133U CN 220464590 U CN220464590 U CN 220464590U
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- suction pipe
- cotton suction
- injection molding
- core rod
- die
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 91
- 238000009987 spinning Methods 0.000 title claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 51
- 239000007924 injection Substances 0.000 claims abstract description 51
- 238000001746 injection moulding Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract 2
- 238000000465 moulding Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a cotton suction pipe forming die of a spinning frame, wherein a limiting rib is arranged on the outer side wall of a cotton suction pipe, the cotton suction pipe is arranged at a roller of the spinning frame through a clamp, and the limiting rib is matched with the clamp to prevent the cotton suction pipe from rotating; the method is characterized in that: comprises an injection mold and a core bar; because the cotton suction pipe is provided with the limit rib structure for matching and clamping the cotton suction pipe and the clamping apparatus, the injection molding opening of the cotton suction pipe is provided with the limit rib by utilizing the characteristic, and the pouring gate and the limit rib are integrally formed; after the cotton suction pipe is formed, the pouring gate is broken off from the position of the limiting rib, subsequent surface treatment is not needed, and the limiting rib is matched with the clamping apparatus, so that the integral appearance of the cotton suction pipe is not affected; the forming die greatly improves the forming efficiency of the cotton suction pipe and reduces the production cost; the end part of the cotton suction pipe formed by the die is of a Venturi structure, and is in an injection molding mode of core pulling at two ends, and the produced cotton suction pipe has larger suction force and wider cotton suction range under the same negative pressure.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a cotton suction pipe forming mold of a spinning frame.
Background
The cotton suction pipe structure of a general spinning frame is a through long pipe body structure, and one end of the cotton suction pipe structure is arranged in a diameter-reducing way; in the common molding mode of the structure, the single-side core is pulled after injection molding; however, the suction force at the end part of the single-side core-pulling injection molding cotton suction pipe structure is insufficient, the aperture of a cotton suction nozzle is small, and the cleaning effect is poor; in addition, after the formed product is formed, the cotton suction pipe with one end reduced in diameter needs to be subjected to secondary processing to remove the pouring gate, and the joint of the product and the pouring gate is subjected to smooth treatment; the processing mode increases the production cost and reduces the production efficiency; therefore, a cotton suction pipe structure with larger suction force and larger working range of a cotton suction nozzle under the condition of the same negative pressure is needed, and secondary processing is not needed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a cotton suction pipe forming die of a spinning frame, which can solve the problems of low production efficiency and high cost of products caused by the fact that a large amount of manpower and material resources are consumed for secondary treatment at the joint of a pouring gate and the products after the common cotton suction pipe with a single-side core pulling function is formed.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the cotton suction pipe forming die of the spinning frame is characterized in that a limiting rib is arranged on the outer side wall of the cotton suction pipe, the cotton suction pipe is arranged at a roller of the spinning frame through a clamp, the limiting rib is matched with the clamp to prevent the cotton suction pipe from rotating, and the limiting rib extends along the axis direction of the cotton suction pipe; the outer wall of one end of the cotton suction pipe is provided with a convex rib, and the end is embedded into a cotton suction pipe joint; the innovation point is that: comprises an injection mold and a core bar;
the injection mold comprises an upper mold and a lower mold; the upper die is arranged above the lower die, an upper die cavity is arranged on the lower surface of the upper die, a lower die cavity is arranged on the upper surface of the lower die, the upper die cavity and the lower die cavity are matched to form an injection molding cavity, and a parting surface is formed between the upper die and the lower die in the horizontal direction;
the core bar comprises a front core bar and a rear core bar; the front core rod and the rear core rod respectively extend into or move out of an injection cavity of the injection mold from the front side surface and the rear side surface of the injection mold; a forming gap is formed between the outer contour of the core rod and the inner wall of the injection molding cavity;
the upper die is provided with an injection molding opening, and the output end of the injection molding opening is positioned at the forming position of the limit rib of the forming gap.
Further, one end of the forming gap is a venturi structure section.
Further, the venturi structure section at the end of the forming gap has a longitudinal section in the shape of two right trapezoid structures connected to two ends of a rectangular structure.
Further, the forming gap sequentially comprises a front core rod sealing section, a cotton suction pipe main body section and a Venturi structure section from the front side surface to the rear side surface of the injection mold; the diameter of the front core rod sealing section is smaller than that of the cotton suction pipe main body section; a plurality of convex rib forming grooves are formed in the inner wall of the cotton suction pipe main body section; the venturi structure section is in smooth transition connection with the cotton suction pipe main body section, and the end part of the venturi structure section extends to the rear side face of the injection mold.
Further, the extending direction of the injection molding opening on the upper die is perpendicular to the parting surface of the injection molding die, and the limiting rib of injection molding is positioned at the topmost end of the radial section of the molding gap.
Furthermore, the injection molding cavities of the injection molding mold are provided with a plurality of injection molding openings, and the upper mold corresponding to each injection molding cavity is provided with an injection molding opening; one end of the injection molding cavity is communicated with the front side surface of the injection mold, and the other end of the injection molding cavity is communicated with the rear side surface of the injection mold.
Further, the device comprises a front core rod seat and a rear core rod seat; an embedded opening for accommodating the placement of the rear core rod seat is formed in the rear side surface of the injection mold, and the rear core rod seat is arranged in the embedded opening; the rear core rod is arranged on the end face of the rear core rod seat; the front core rod seat is arranged on the front side face of the injection mold, and the front core rod is horizontally arranged on the upper side face of the front core rod seat.
The utility model has the advantages that:
1) According to the utility model, the cotton suction pipe is provided with the limit rib structure for matching and clamping the cotton suction pipe and the clamping apparatus, so that the injection molding port formed by the cotton suction pipe is provided with the limit rib, and the pouring gate and the limit rib are integrally formed; after the cotton suction pipe is formed, the pouring gate is broken off from the position of the limiting rib, subsequent surface treatment is not needed, and the limiting rib is matched with the clamping apparatus, so that the integral appearance of the cotton suction pipe is not affected; the forming die greatly improves the forming efficiency of the cotton suction pipe and reduces the production cost; in addition, the end part of the cotton suction pipe formed by the die is of a Venturi structure, and is in an injection molding mode of core pulling at two ends, and the produced cotton suction pipe is larger in suction force and wider in cotton suction range under the same negative pressure.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a cotton suction tube forming die of a spinning frame.
Fig. 2 is a diagram showing an assembly structure of a front core bar of a cotton suction tube forming die of a spinning frame.
Fig. 3 is a rear core bar assembly structure diagram of a cotton suction tube forming die of a spinning frame.
Fig. 4 is a diagram showing the structure of an upper die of a spinning frame cotton suction tube forming die according to the present utility model.
Fig. 5 is a molding diagram of a lower mold of a spinning frame cotton suction tube molding mold according to the present utility model.
Fig. 6 is a perspective cross-sectional view of an injection mold of a cotton suction tube forming mold of a spinning frame.
Fig. 7 is a cross-sectional view of an injection mold of a spinning frame cotton suction tube forming mold according to the present utility model.
Fig. 8 is a partial structure diagram of an injection mold of a cotton suction pipe forming mold of a spinning frame.
Fig. 9 is a use state diagram of an injection mold of a cotton suction tube forming mold of a spinning frame after being turned over by 90 degrees.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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; the cotton suction pipe forming die of the spinning frame is shown in fig. 1 to 8, a limiting rib is arranged on the outer side wall of the cotton suction pipe, the cotton suction pipe is arranged at a roller of the spinning frame through a clamp, and the limiting rib is matched with the clamp to prevent the cotton suction pipe from rotating; the limit rib extends along the axis direction of the cotton suction pipe; the outer wall of one end of the cotton suction pipe is provided with a convex rib, and the end is embedded into a cotton suction pipe joint; comprises an injection mould 1, a core bar 2, a front core bar seat 3 and a rear core bar seat 4.
The injection mold 1 includes an upper mold 11 and a lower mold 12; the upper die 11 is arranged above the lower die 12, an upper die cavity is arranged on the lower surface of the upper die 11, a lower die cavity is arranged on the upper surface of the lower die, the upper die cavity and the lower die cavity are matched to form an injection molding cavity, and a parting surface is formed between the upper die 11 and the lower die 12 in the horizontal direction; the core rod 2 includes a front core rod 21 and a rear core rod 22; the front core bar 21 and the rear core bar 22 respectively extend into or move out of an injection cavity of the injection mold 1 from the front side surface and the rear side surface of the injection mold 1; a forming gap is formed between the outer contour of the core bar 2 and the inner wall of the injection molding cavity; one end of the forming gap is a venturi structure section 16, and the longitudinal section of the venturi structure section 16 at the end of the forming gap is in a rectangular trapezoid structure which is connected with two ends of a rectangular structure; an injection molding opening 13 is arranged on the upper die 11, and the output end of the injection molding opening 13 is positioned at the forming position of the limit rib of the forming gap; the extending direction of the injection molding opening 13 on the upper mold 11 is perpendicular to the parting plane of the injection mold 1, and the limit rib of injection molding is positioned at the topmost end of the radial section of the molding gap.
The injection mold 1 has a plurality of injection cavities, and an injection port 13 is arranged on the upper mold corresponding to each injection cavity; one end of the injection cavity is communicated with the front side surface of the injection mold 1, and the other end of the injection cavity is communicated with the rear side surface of the injection mold 1.
An embedded opening for accommodating the placement of the rear core rod seat 4 is formed in the rear side surface of the injection mold 1, and the rear core rod seat 4 is arranged in the embedded opening; the rear core rod 22 is arranged on the end face of the rear core rod seat 4; the front core rod seat 3 is arranged on the front side surface of the injection mold 1, and the upper side surface of the front core rod seat 3 is horizontally provided with a front core rod 21.
The injection cavity is sequentially provided with a front core rod sealing section 14, a cotton suction pipe main body section 15 and a Venturi structure section 16 from the front side to the back side of the injection mold 1; the diameter of the front core rod sealing section 14 is smaller than that of the cotton suction pipe main body section 15; a plurality of convex rib forming grooves are formed in the inner part of the cotton suction pipe main body section 15; the venturi structure section 16 is in smooth transition connection with the cotton suction tube main body section 15, and the end of the venturi structure section 16 extends onto the rear side face of the injection mold.
Example 9: as shown in fig. 8, the rest of the structures are the same as those of embodiment 1, the injection mold 1 and the core rod 2 are vertically turned by 90 ° around the central line formed by the connecting line of the front side center and the rear side center, the injection mold 1 is divided into a front mold and a rear mold, the injection port 13 is horizontally arranged, the core rod 2 is horizontally arranged, and the use of the molding mold in the state that the injection port is horizontally arranged can be realized.
The working principle of the utility model is as follows: because the cotton suction pipe is provided with the limit rib structure for matching and clamping the cotton suction pipe and the clamping apparatus, the injection molding opening of the cotton suction pipe is provided with the limit rib by utilizing the characteristic, and the pouring gate and the limit rib are integrally formed; after the cotton suction pipe is formed, the pouring gate is broken off from the position of the limiting rib, subsequent surface treatment is not needed, and the limiting rib is matched with the clamping apparatus, so that the integral appearance of the cotton suction pipe is not affected; the forming die greatly improves the forming efficiency of the cotton suction pipe and reduces the production cost; the end part of the cotton suction pipe formed by the die is of a Venturi structure, and is in an injection molding mode of core pulling at two ends, and the produced cotton suction pipe has larger suction force and wider cotton suction range under the same negative pressure.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The cotton suction pipe forming die of the spinning frame is characterized in that a limiting rib is arranged on the outer side wall of the cotton suction pipe, the cotton suction pipe is arranged at a roller of the spinning frame through a clamp, the limiting rib is matched with the clamp to prevent the cotton suction pipe from rotating, and the limiting rib extends along the axis direction of the cotton suction pipe; the outer wall of one end of the cotton suction pipe is provided with a convex rib, and the end is embedded into a cotton suction pipe joint; the method is characterized in that: comprises an injection mold and a core bar;
the injection mold comprises an upper mold and a lower mold; the upper die is arranged above the lower die, an upper die cavity is arranged on the lower surface of the upper die, a lower die cavity is arranged on the upper surface of the lower die, the upper die cavity and the lower die cavity are matched to form an injection molding cavity, and a parting surface is formed between the upper die and the lower die in the horizontal direction;
the core bar comprises a front core bar and a rear core bar; the front core rod and the rear core rod respectively extend into or move out of an injection cavity of the injection mold from the front side surface and the rear side surface of the injection mold; a forming gap is formed between the outer contour of the core rod and the inner wall of the injection molding cavity;
the upper die is provided with an injection molding opening, and the output end of the injection molding opening is positioned at the forming position of the limit rib of the forming gap.
2. The spinning frame cotton suction pipe forming die according to claim 1, wherein: one end of the forming gap is a venturi structure section.
3. The spinning frame cotton suction pipe forming die according to claim 2, wherein: the longitudinal section of the Venturi structure section at the end part of the forming gap is in a rectangular trapezoid structure, and the two right trapezoid structures are connected to two ends of a rectangular structure.
4. The spinning frame cotton suction pipe forming die according to claim 2, wherein: the forming gap sequentially comprises a front core rod sealing section, a cotton suction pipe main body section and a Venturi structure section from the front side surface to the rear side surface of the injection mold; the diameter of the front core rod sealing section is smaller than that of the cotton suction pipe main body section; a plurality of convex rib forming grooves are formed in the inner wall of the cotton suction pipe main body section; the venturi structure section is in smooth transition connection with the cotton suction pipe main body section, and the end part of the venturi structure section extends to the rear side face of the injection mold.
5. The spinning frame cotton suction pipe forming die according to claim 1, wherein: the extending direction of the injection molding opening on the upper die is perpendicular to the parting surface of the injection molding die, and the limit rib of injection molding is positioned at the topmost end of the radial section of the molding gap.
6. The spinning frame cotton suction pipe forming die according to claim 1, wherein: the injection molding die comprises a plurality of injection molding cavities, and injection molding openings are formed in the upper die corresponding to each injection molding cavity; one end of the injection molding cavity is communicated with the front side surface of the injection mold, and the other end of the injection molding cavity is communicated with the rear side surface of the injection mold.
7. The spinning frame cotton suction pipe forming die according to claim 1, wherein: comprises a front core rod seat and a rear core rod seat; an embedded opening for accommodating the placement of the rear core rod seat is formed in the rear side surface of the injection mold, and the rear core rod seat is arranged in the embedded opening; the rear core rod is arranged on the end face of the rear core rod seat; the front core rod seat is arranged on the front side face of the injection mold, and the front core rod is horizontally arranged on the upper side face of the front core rod seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946133.9U CN220464590U (en) | 2023-07-24 | 2023-07-24 | Spinning frame cotton suction pipe forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321946133.9U CN220464590U (en) | 2023-07-24 | 2023-07-24 | Spinning frame cotton suction pipe forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464590U true CN220464590U (en) | 2024-02-09 |
Family
ID=89777163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321946133.9U Active CN220464590U (en) | 2023-07-24 | 2023-07-24 | Spinning frame cotton suction pipe forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464590U (en) |
-
2023
- 2023-07-24 CN CN202321946133.9U patent/CN220464590U/en active Active
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