Pull strap injection molding mold

Abstract

The utility model discloses a pull strap injection molding mold which comprises a lower mold and an upper mold, a plurality of lower mold cavities are formed in one side of the lower mold, and a plurality of upper mold cavities are formed in one side of the upper mold; after the lower mold and the upper mold are closed, the lower mold cavity and the upper mold cavity form an injection molding cavity; each of the lower mold cavity and the upper mold cavity comprises a rhombic channel and water-drop-shaped channels located on the two sides of the rhombic channel, each water-drop-shaped channel comprises an arc-shaped part and connecting parts connected to the two ends of the arc-shaped part, the connecting parts communicate with the rhombic channels, and protruding ribs are arranged on the connecting parts and the rhombic channels; an injection molding channel communicated with the injection molding cavity is formed in the lower mold, and an exhaust channel communicated with the injection molding cavity is formed in the upper mold. The size precision of the pull strap can be better controlled through injection molding, the rejection rate is reduced, the flexibility of the pull strap meets the requirement of the market for continuously improving the design parameters of the pull strap, and the pull strap can have more optimized mechanical properties and user experience.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mould technical field, concretely relates to a tension belt injection moulding mould. BACKGROUND

[0002] Tension belt is a kind of equipment widely used in bodybuilding training, has the characteristics of light, easy to carry, can satisfy the bodybuilding and body posture improvement needs in the fast-paced life of modern people. For example, tension belt can provide stable resistance, help to enhance the strength and endurance of muscle, and using tension belt for exercise can activate deep muscle, thereby improving daily posture.

[0003] Tension belt is usually made of high-strength and high-elasticity rubber or latex material, which ensures the durability and resilience of tension belt, so that it can maintain stable resistance in long-term use. The existing tension belt usually adopts extrusion molding, although this way has higher production efficiency, but there is certain difficulty in thickness control of tension belt, and the product is prone to uneven thickness, which is easy to produce waste, and the waste rate is relatively high, and the market requirements for tension belt design parameters are increasing, and tension belt is designed to be more complex structure, but the extrusion molding method is difficult to process the tension belt with corresponding requirements. SUMMARY

[0004] To solve the above problems, the utility model provides a tension belt injection moulding mould, including lower mould and upper mould, the side of lower mould towards upper mould is equipped with a plurality of lower mould cavities, the side of upper mould towards lower mould is equipped with a plurality of upper mould cavities, the lower mould and the upper mould are closed, and the lower mould cavity and the upper mould cavity form an injection cavity, the lower mould cavity and the upper mould cavity all include diamond-shaped channel and water-drop-shaped channel located on both sides of the diamond-shaped channel, the water-drop-shaped channel includes arc-shaped part and connecting part connected to both ends of the arc-shaped part, the connecting part is communicated with the diamond-shaped channel, and the connecting part and the diamond-shaped channel are all provided with convex ribbons, the lower mould is provided with injection channel communicated with the injection cavity, and the upper mould is provided with exhaust channel communicated with the injection cavity.

[0005] The utility model further sets up that the arc-shaped part is provided with meshed strip on the side close to the diamond-shaped channel.

[0006] The utility model further sets up that the convex ribbons on the diamond-shaped channel are connected with the convex ribbons on at least one connecting part.

[0007] The utility model further sets up that one end of the exhaust channel connected with the injection cavity is provided with filter plug, the filter plug is arranged at the intersection of the connecting part and the diamond-shaped channel, and the filter plug is provided with filter grid.

[0008] The utility model further sets up as the lower mould is close to the one side of the upper mould is equipped with the positioning hole, the upper mould is close to the one side of the lower mould is equipped with the positioning post, the lower mould and the upper mould close, the positioning post is connected in the positioning hole.

[0009] The utility model further sets up as the width of the arc part is greater than the width of the diamond channel.

[0010] The utility model further sets up as the lower mould and the upper mould are integrally formed.

[0011] The utility model further sets up as the lower mould and the upper mould adopt aluminium alloy material or stainless steel material.

[0012] Compared with the prior art, the technical scheme has the following beneficial effects:

[0013] The tension belt injection molding mold of the technical scheme is formed by injection molding, the exhaust passage on the upper mold helps to remove the gas in the mold during injection molding, avoids the generation of bubbles and defects, thereby improving the quality of the tension belt, and the lower mold cavity and the upper mold cavity in the mold accurately define the shape and size of the tension belt, ensuring that the produced tension belt has high uniformity and consistency in thickness and structure.

[0014] The diamond channel and the water drop type channel (including the arc part and the connecting part) and the raised rib in the mold design of the technical scheme allow the production of tension belts with complex structures, and the flexibility meets the increasing demand of the market for design parameters of tension belts, so that the tension belt can have more optimized mechanical properties and user experience. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the explosion chart of the tension belt injection molding mold of the utility model embodiment.

[0016] Figure 2 It is the lower mold solid drawing of the utility model embodiment.

[0017] Figure 3 It is the lower mold plan view of the utility model embodiment.

[0018] Figure 4 It is the upper mold solid drawing of the utility model embodiment.

[0019] Figure 5 It is the upper mold partial solid drawing of the utility model embodiment.

[0020] Figure 6 It is Figure 5 It is the A part enlarged view of the utility model embodiment. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] In combination with the drawings Figure 1 to the drawings Figure 6 , the technical scheme of the utility model is a tensile belt injection molding mold, which comprises a lower mold 1 and an upper mold 2, a plurality of lower mold cavities 3 are formed on one side of the lower mold 1 facing the upper mold 2, and a plurality of upper mold cavities 4 are formed on one side of the upper mold 2 facing the lower mold 1; after the lower mold 1 and the upper mold 2 are folded, the lower mold cavities 3 and the upper mold cavities 4 form an injection molding cavity; the lower mold cavities 3 and the upper mold cavities 4 both comprise a rhombic channel and a water drop type channel located on both sides of the rhombic channel, the water drop type channel comprises an arc-shaped part and a connecting part connected to both ends of the arc-shaped part, the connecting part is in communication with the rhombic channel, and a raised rib is arranged on the arc-shaped part and the rhombic channel; the lower mold 1 is provided with an injection molding channel 11 in communication with the injection molding cavity, and the upper mold 2 is provided with an exhaust channel 21 in communication with the injection molding cavity.

[0023] The rhombic channel and the water drop type channel (including the arc-shaped part and the connecting part) and the raised rib in the mold design of the technical scheme allow the production of a tensile belt with a complex structure, and this flexibility meets the increasing demand of the market for design parameters of the tensile belt, so that the tensile belt can have more optimized mechanical properties and user experience.

[0024] In the embodiment, the lower mold cavities 3 and the upper mold cavities 4 are both provided with four, which improves the processing efficiency, and in another embodiment, the number can be adjusted according to actual production.

[0025] As shown in the drawings Figure 2 and the drawings Figure 3 , the lower mold cavity 3 comprises a lower rhombic channel 31 and a lower water drop type channel 32 located on both sides of the lower rhombic channel 31, the lower water drop type channel 32 comprises a lower arc-shaped part 321 and a lower connecting part 322 connected to both ends of the lower arc-shaped part 321, the lower connecting part 322 is in communication with the lower rhombic channel 31, a first lower raised rib 311 is arranged on the lower rhombic channel 31, and a second lower raised rib 323 is arranged on the lower connecting part 322.

[0026] As shown in the drawingsFigure 4 and attached Figure 5 As shown, the upper mold cavity 4 includes an upper rhomboid channel 41 and upper teardrop-shaped channels 42 located on both sides of the upper rhomboid channel 41. The upper teardrop-shaped channel 42 includes an upper arc-shaped portion 421 and upper connecting portions 422 connected to both ends of the upper arc-shaped portion 421. The upper connecting portions 422 are all connected to the upper rhomboid channel 41. The upper rhomboid channel 41 is provided with an upper first protruding rib 411, and the upper connecting portion 422 is provided with an upper second protruding rib 423.

[0027] In this embodiment, a mesh pattern is provided on the side of the lower arc-shaped portion 321 near the lower diamond-shaped channel 31; a mesh pattern is also provided on the side of the upper arc-shaped portion 421 near the upper diamond-shaped channel 41, which is used to increase the friction of the user using the tension band.

[0028] In this embodiment, the first lower protruding rib 311 on the lower rhomboid channel 31 is connected to at least one second lower protruding rib 323 on the lower connecting portion 322.

[0029] In this embodiment, the first upper protruding rib 411 on the upper diamond-shaped channel 41 is connected to at least one second upper protruding rib 423 on the upper connecting portion 422.

[0030] In this embodiment, as shown in the appendix Figure 6 As shown, the exhaust channel 21 is connected to the injection molding cavity at one end and is provided with a filter plug 43. The filter plug 43 is located at the intersection of the upper connecting part 422 and the upper diamond channel 41, and the filter plug 43 is provided with a filter grid 44.

[0031] In this embodiment, the lower mold 1 has a positioning hole 12 on the side near the upper mold 2, and the upper mold 2 has a positioning post 22 on the side near the lower mold 1. After the lower mold 1 and the upper mold 2 are closed, the positioning post 22 is connected in the positioning hole 12, thereby improving the accuracy of mold injection molding.

[0032] In this embodiment, the width of the lower arc-shaped portion 321 is greater than the width of the lower diamond-shaped channel 31, and the width of the upper arc-shaped portion 421 is greater than the width of the upper diamond-shaped channel 41, which makes the processed tension belt have better elasticity.

[0033] In this embodiment, both the lower mold 1 and the upper mold 2 are integrally formed.

[0034] In this embodiment, the lower mold 1 and the upper mold 2 are made of aluminum alloy or stainless steel.

[0035] The utility model discloses technical scheme tension belt injection mould is through injection moulding mode, and the exhaust passage 21 of the upper mould 2 is opened and is helpful to the gas in the mould in the injection process, avoids the generation of bubble and defect, thereby improves the quality of tension belt, and the lower mould cavity 3 and upper mould cavity 4 in the mould accurately define the shape and size of tension belt, ensure that the tension belt produced has high uniformity and consistency in thickness and structure, compared with extrusion molding, injection moulding can better control the size accuracy of product, and reduces the scrap rate.

[0036] The various embodiments are described in the specification by way of progressive development of an embodiment for the purpose of clarity and understanding. Each of the various embodiments focuses on describing particular embodiments with each embodiment focusing on particular differences between that embodiment and others.

[0037] It should also be noted that the terms "first", "second", and the like, do not denote any order, quantity, combination, or importance, but are used to identify one element from another, and do not imply that the elements so called are essential or necessary.

[0038] The above description of disclosed embodiments allows a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tension strap injection molding mold characterized by, The lower mold and the upper mold are combined to form an injection cavity.

2. The tension strap injection molding mold of claim 1, wherein, The arc-shaped part is provided with a meshed strip on one side close to the rhombic channel.

3. The tension strap injection molding mold of claim 1, wherein, The protruding rib on the rhombic channel is connected with the protruding rib on at least one of the connecting parts.

4. The tension strap injection molding mold of claim 1, wherein, The end of the exhaust channel connected with the injection cavity is provided with a filter plug, the filter plug is arranged at the intersection of the connecting part and the rhombic channel, and the filter plug is provided with a filter grid.

5. The tension band injection molding mold of claim 1, wherein, The lower mold is provided with a positioning hole on one side close to the upper mold, the upper mold is provided with a positioning column on one side close to the lower mold, and the positioning column is connected in the positioning hole after the lower mold and the upper mold are combined.

6. The tension band injection molding mold of claim 1, wherein, The width of the arc-shaped part is greater than the width of the rhombic channel.

7. A pull strap injection molding mold according to any one of claims 1 to 6, characterized in that, The lower mold and the upper mold are integrally formed.

8. A pull strap injection molding mold according to any one of claims 1 to 6, characterized in that, The lower mold and the upper mold are made of aluminum alloy material or stainless steel material.

Images