Thread section

Abstract

The utility model provides a thread section, and relates to the technical field of injection molding. The thread section comprises a cavity and a cooling water channel used for conveying cooling liquid, the cavity is arranged in the middle of the thread section, the cooling water channel is arranged on the outer side of the cavity, an included angle is formed in the middle of the cooling water channel, and the inner side of the included angle is attached to the cavity. According to the embodiment of the invention, the cooling water channel is used for cooling the cavity, and is attached to the cavity through the included angle of the cooling water channel, so that the cooling area of the cooling water channel is increased, the heat dissipation speed of the thread section is increased, the cooling effect is good, the influence on a product is reduced, and the yield of the product is effectively improved.

Description

Technical Field

[0001] The present application relates to the field of injection molding technology, and in particular, to a thread segment. Background Art

[0002] Injection molding, also known as injection molding, is a method of injecting completely molten plastic material into a mold cavity at a certain temperature under high pressure, and obtaining a molded product after cooling and solidification. It is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding and processing fields.

[0003] During the injection molding process, it is often necessary to form an injection molded product with screw threads. To obtain such a product, a screw thread segment needs to be provided, and the screw thread is formed by the thread inside the cavity of the screw thread segment. Therefore, during the injection molding process, the injection molded product needs to be in contact with the screw thread segment for a long time, resulting in a very high temperature of the screw thread segment. After injection molding, it is necessary to quickly cool it down to reduce its impact on the product.

[0004] In the prior art, the temperature of the thread segment is reduced by heat dissipation through air, but this method has slow heat dissipation and poor cooling effect, thereby increasing the defective rate of the product. Utility Model Content

[0005] The embodiment of the present application provides a screw thread segment, which can solve the problem of slow cooling and heat dissipation and poor cooling effect of the existing screw thread segment. In order to achieve this purpose, the embodiment of the present application provides the following solutions.

[0006] According to one aspect of an embodiment of the present application, a thread segment is provided, comprising: a cavity and a cooling water channel for transmitting coolant, the cavity being arranged in the middle of the thread segment, the cooling water channel being arranged on the outside of the cavity, and the middle of the cooling water channel forms an angle, and the inner side of the angle is attached to the cavity.

[0007] In a possible implementation, the cooling water channel includes at least one first water channel, the first water channel includes a water inlet section, a first cooling section, a second cooling section and a water outlet section connected in sequence, and the first cooling section and the second cooling section form the angle.

[0008] In a possible implementation manner, the first cooling segment and the second cooling segment have the same shape, and the first cooling segment and the second cooling segment are located on different sides of the included angle.

[0009] In a possible implementation, the water inlet section and the water outlet section extend in directions away from each other, and the water inlet section is inclined relative to the first cooling section, and the water outlet section is inclined relative to the second cooling section.

[0010] In one possible implementation, the first cooling section includes a plug section, a first water channel, and a second water channel. The first end of the first water channel is connected to the water inlet section, the second end of the first water channel and the first end of the second water channel are connected to the same end of the plug section, and the second end of the second water channel is connected to the second cooling section.

[0011] In a possible implementation, the plug section extends in a direction away from the first waterway and the second waterway, and an inner diameter of the plug section increases along the extending direction.

[0012] In a possible implementation, the cooling water channel includes two first water channels, and the first water channels are symmetrically arranged on two sides of the cavity.

[0013] In a possible implementation, it further includes a first fixing plate and a second fixing plate, the cavity is provided at the connection between the first fixing plate and the second fixing plate, and the first water channel is buried in both the first fixing plate and the second fixing plate.

[0014] In a possible implementation, the opening of the water inlet section and the opening of the water outlet section are arranged on the same side of the first fixing plate and the second fixing plate.

[0015] In a possible implementation, an exhaust hole is provided at a connection between the first fixing plate and the second fixing plate.

[0016] The beneficial effects of the technical solution provided by the embodiment of the present application are:

[0017] The cooling water channel in the screw thread segment provided in the present application is arranged on the outside of the cavity, and the middle part of the cooling water channel forms an angle, and the inner side of the angle is attached to the cavity. The embodiment of the present application can utilize the cooling water channel to cool the cavity, and by attaching the cooling water channel at an angle to the cavity, the cooling area of ​​the cooling water channel is increased, the heat dissipation speed of the screw thread segment is accelerated, the cooling effect is good, the impact on the product is reduced, and the yield of the product is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in describing the embodiments of the present application.

[0019] Figure 1 A structural diagram of a screw thread segment provided in an embodiment of the present application;

[0020] Figure 2 A side view of a thread segment provided in an embodiment of the present application;

[0021] Figure 3 A bottom view of a first sheath provided in an embodiment of the present application;

[0022] Figure 4 A structural diagram of a partial structure of a screw thread segment provided in an embodiment of the present application;

[0023] Figure 5 A top view of the partial structure of the screw thread segment provided in an embodiment of the present application.

[0024] Explanation of reference numerals: 1, cavity; 2, cooling water channel; 21, water inlet section; 22, first cooling section; 23, second cooling section; 24, water outlet section; 221, plug section;

[0025] 31. First fixing plate; 32. Second fixing plate; 4. Fixing hole. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described below in conjunction with the drawings in the present application. It should be understood that the implementation methods described below in conjunction with the drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions of the embodiments of the present application.

[0027] It will be understood by those skilled in the art that, unless specifically stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the terms "including" and "comprising" used in the embodiments of the present application refer to that the corresponding features can be implemented as the presented features, information, data, steps, operations, elements and / or components, but do not exclude the implementation of other features, information, data, steps, operations, elements, components and / or combinations thereof supported by the present technical field. It should be understood that when we say that an element is "connected" or "coupled" to another element, the one element may be directly connected or coupled to the other element, or it may refer to that the one element and the other element establish a connection relationship through an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein indicates at least one of the items defined by the term, for example, "A and / or B" indicates that it is implemented as "A", or is implemented as "A", or is implemented as "A and B".

[0028] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0029] The following describes several exemplary embodiments to illustrate the technical solutions of the embodiments of the present application and the technical effects produced by the technical solutions of the present application. It should be noted that the following embodiments can refer to, draw on or combine with each other, and the same terms, similar features and similar implementation steps in different embodiments will not be described repeatedly.

[0030] The thread segment provided in the present application is intended to solve at least one technical problem existing in the prior art.

[0031] In the embodiment of the present application, a screw thread segment is provided, such as Figure 1-Figure 4 As shown, the thread segment includes: a cavity 1 and a cooling water channel 2 for transmitting coolant, the cavity 1 is arranged in the middle of the thread segment, the cooling water channel 2 is arranged on the outside of the cavity 1, and the middle of the cooling water channel 2 forms an angle, and the inner side of the angle is attached to the cavity 1.

[0032] Optionally, a thread is provided on the inner side of the cavity 1, and the shape of the thread corresponds to the thread structure of the injection-molded product.

[0033] Optionally, the included angle of the cooling water channel 2 and the thickness of the cavity 1 are within a preset range, and the size of the preset range can be determined according to cooling requirements, the structure of the cavity 1 and the strength requirements of the cavity 1.

[0034] In one embodiment, the distance between the angle and the inner side of the cavity 1 is 2.0-2.5 mm, and the temperature of the injection-molded product in the cavity 1 is quickly transmitted to the liquid in the cooling water channel 2 through this thickness, thereby achieving rapid cooling of the injection-molded product.

[0035] Optionally, the cooling water channel 2 can transmit water or other liquids that can be used for cooling the thread segment.

[0036] Optionally, the cooling water channel 2 includes at least one first water channel, the first water channel includes a water inlet section 21, a first cooling section 22, a second cooling section 23 and a water outlet section 24 connected in sequence, and the first cooling section 22 forms an angle with the second cooling section 23. The first cooling section 22 and the second cooling section 23 are attached to the cavity 1 to quickly absorb the heat of the cavity 1.

[0037] Optionally, the first cooling section 22 transmits the liquid transmitted by the water inlet section 21 to the second cooling section 23 to further dissipate heat through the second cooling section 23. The structures of the first cooling section 22 and the second cooling section 23 may be the same or different.

[0038] In one embodiment, the first cooling section 22 and the second cooling section 23 have the same shape, and the first cooling section 22 and the second cooling section 23 are located on different sides of the included angle.

[0039] Optionally, the water inlet section 21 and the water outlet section 24 extend away from each other, and the water inlet section 21 is inclined relative to the first cooling section 22, and the water outlet section 24 is inclined relative to the second cooling section 23, thereby forming a W-shaped cooling water channel 2.

[0040] Optionally, the first cooling section 22 includes a plug section 221, a first water channel, and a second water channel, wherein the first end of the first water channel is connected to the water inlet section 21, the second end of the first water channel and the first end of the second water channel are connected to the same end of the plug section 221, and the second end of the second water channel is connected to the second cooling section 23. The second cooling section 23 and the structure may be the same as those of the first cooling section 22, the first water channel in the second cooling section 23 is connected to the second water channel in the first cooling section 22, and the liquid entering the second cooling section 23 is transmitted to the water outlet section 24 via the second water channel in the second cooling section 23.

[0041] Optionally, the cavity 1 is circular, and to improve the fit between the plug section 221 and the cavity 1, the plug section 221 extends in a direction away from the first waterway and the second waterway, and the inner diameter of the plug section 221 increases along the extension direction.

[0042] In one embodiment, an opening is provided at one end of the plug section 221 away from the first water channel and the second water channel. During cooling, the opening is provided with a plug, and the plug is used to block the opening to prevent liquid from leaking out.

[0043] Optionally, the cooling water channel 2 includes two first water channels, which are symmetrically arranged on both sides of the cavity 1. The cooling of both sides of the cavity 1 is achieved through the first water channels.

[0044] Optionally, the thread segment further includes a first fixing plate 31 and a second fixing plate 32 , the cavity 1 is provided at the connection between the first fixing plate 31 and the second fixing plate 32 , and first water channels are buried in the first fixing plate 31 and the second fixing plate 32 .

[0045] In one embodiment, the mold cavity 1 is circular, and the connecting sides of the first fixing plate 31 and the second fixing plate 32 are both provided with semicircular openings. After the first fixing portion and the second fixing plate 32 are connected, the two semicircular openings are opposite to each other to form the mold cavity 1.

[0046] Optionally, in order to facilitate fixing of the thread segment, the first fixing plate 31 and the second fixing plate 32 are provided with fixing holes 4, and the thread segment is fixed to a specific object by using the fixing holes 4.

[0047] In one embodiment, the fixing hole 4 includes a screw hole and a pin hole, and two screw holes and two pin holes are provided on the first fixing plate 31 and the second fixing plate 32. In addition, in order to hide the nut of the screw, a recessed area corresponding to the nut is provided at one end of the screw hole. When the thread segment is used for injection molding, the thread segment can be fixed by a plate, and screw holes and pin holes are provided on the plate accordingly.

[0048] Optionally, the openings of the plug section 221 are provided on both sides of the first fixing plate 31 and the second fixing plate 32. Furthermore, when the cooling water channel 2 is used, the openings of the plug section 221 on both sides of the cavity 1 are provided with plugs, which are used to block the openings to prevent the coolant in the cooling water channel 2 from flowing out of the openings.

[0049] Optionally, the opening of the water inlet section 21 and the opening of the water outlet section 24 are arranged on the same side of the first fixing plate 31 and the second fixing plate 32 .

[0050] In one embodiment, the screw thread section is fixed by a plate, and the opening of the water inlet section 21 and the opening of the water outlet section 24 can be set on the side of the screw thread section close to the plate, and the plate is provided with pipe openings corresponding to the water inlet section 21 and the water outlet section 24, through which coolant is input into the cooling water channel 2 and coolant flowing out of the cooling water channel 2 is received.

[0051] Optionally, an exhaust hole is provided at the connection between the first fixing plate 31 and the second fixing plate 32. During the injection molding process, the exhaust hole is used to exhaust the air in the cavity 1.

[0052] In one embodiment, the exhaust hole may be provided on a side of the first fixing plate 31 or the second fixing plate 32 at a connection point.

[0053] The cooling water channel in the screw thread segment of the embodiment of the present application is arranged on the outside of the cavity, and the middle part of the cooling water channel forms an angle, and the inner side of the angle is attached to the cavity. The embodiment of the present application can use the cooling water channel to cool the cavity, and by attaching the cooling water channel at an angle to the cavity, the cooling area of ​​the cooling water channel is increased, the heat dissipation speed of the screw thread segment is accelerated, the cooling effect is good, the impact on the product is reduced, and the yield of the product is effectively improved.

[0054] The terms "first", "second", "third", "fourth", "1", "2", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that shown or described in the drawings.

[0055] It should be understood that, although each operation step is indicated by arrows in the flowchart of the embodiment of the present application, the implementation order of these steps is not limited to the order indicated by the arrows. Unless clearly stated herein, in some implementation scenarios of the embodiment of the present application, the implementation steps in each flowchart can be performed in other orders according to demand. In addition, some or all of the steps in each flowchart may include multiple sub-steps or multiple stages based on actual implementation scenarios. Some or all of these sub-steps or stages may be executed at the same time, and each sub-step or stage in these sub-steps or stages may also be executed at different times respectively. In different scenarios of execution time, the execution order of these sub-steps or stages may be flexibly configured according to demand, and the embodiment of the present application does not limit this.

[0056] The above is only an optional implementation method for some implementation scenarios of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the technical concept of the solution of the present application, other similar implementation methods based on the technical ideas of the present application are also within the protection scope of the embodiments of the present application.

Claims

1. A thread segment, characterized in that: include: A cavity and a cooling water channel for transmitting coolant, wherein the cavity is arranged in the middle of the thread segment, the cooling water channel is arranged on the outside of the cavity, and the middle of the cooling water channel forms an angle, and the inner side of the angle is attached to the cavity.

2. The thread segment according to claim 1, characterized in that: The cooling water channel includes at least one first water channel, the first water channel includes a water inlet section, a first cooling section, a second cooling section and a water outlet section connected in sequence, and the first cooling section and the second cooling section form the angle.

3. The thread segment according to claim 2, characterized in that: The first cooling section and the second cooling section have the same shape, and the first cooling section and the second cooling section are located on different sides of the included angle.

4. The thread segment according to claim 2, characterized in that: The water inlet section and the water outlet section extend in directions away from each other, and the water inlet section is arranged obliquely relative to the first cooling section, and the water outlet section is arranged obliquely relative to the second cooling section.

5. The thread segment according to claim 2, characterized in that: The first cooling section includes a plug section, a first water channel, and a second water channel. The first end of the first water channel is connected to the water inlet section, the second end of the first water channel and the first end of the second water channel are connected to the same end of the plug section, and the second end of the second water channel is connected to the second cooling section.

6. The thread segment according to claim 5, characterized in that: The plug section extends in a direction away from the first water channel and the second water channel, and an inner diameter of the plug section increases along the extending direction.

7. The thread segment according to claim 2, characterized in that: The cooling water channel includes two first water channels, and the first water channels are symmetrically arranged on both sides of the cavity.

8. The thread segment according to claim 7, characterized in that: It also includes a first fixing plate and a second fixing plate. The cavity is arranged at the connection between the first fixing plate and the second fixing plate. The first water channel is buried in both the first fixing plate and the second fixing plate.

9. The thread segment according to claim 8, characterized in that: The opening of the water inlet section and the opening of the water outlet section are arranged on the same side of the first fixing plate and the second fixing plate.

10. The thread segment according to claim 8, characterized in that: An exhaust hole is provided at the connection between the first fixing plate and the second fixing plate.

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