Forming mold for plastic coating layer of connecting line of earphone

Abstract

The utility model provides a forming mold for a plastic coating layer of a connecting line of an earphone. The forming die for the plastic coating layer of the connecting line of the earphone comprises a fixed die holder, a fixed die, a movable die holder, a movable die and a bidirectional die. The fixed mold is fixed on the fixed mold seat, the movable mold is fixed on the movable mold seat, the movable mold seat drives the movable mold to move towards or away from the fixed mold, and the bidirectional mold is detachably clamped between the movable mold and the fixed mold. When the two-way mold is clamped between the movable mold and the fixed mold, the two-way mold and the fixed mold are closed to define a primary forming cavity, and the two-way mold and the movable mold are closed to define a secondary forming cavity. According to the forming mold for the plastic coating layer of the connecting wire of the earphone, primary injection molding and secondary injection molding can be synchronously completed, and then the production efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, in particular to a kind of forming mould for the plastic coating of earphone's connecting line. BACKGROUND

[0002] Ear-hanging earphone, the reliability of user wearing is guaranteed, especially suitable for use in sports, that is, adding auxiliary suspension to ear in the side of lug, ear-hanging exists wire structure inside, plastic injection coating is carried out outside, in order to promote wire structure to be fully coated in plastic injection process, double-color plastic forming process is needed to complete plastic injection coating of wire structure, such as the invention patent application of application No. UTILITY MODEL CONTENT

[0003] The utility model aims at overcoming the deficiencies in the prior art, and provides a forming mould for the plastic coating of earphone's connecting line, which can realize synchronous completion of one-time injection molding and two-time injection molding, thereby improving production efficiency.

[0004] The utility model aims at overcoming the deficiencies in the prior art, and provides a forming mould for the plastic coating of earphone's connecting line, which can realize synchronous completion of one-time injection molding and two-time injection molding, thereby improving production efficiency.

[0005] A kind of forming mould for the plastic coating of earphone's connecting line, including fixed mould seat, fixed mould, movable die seat and movable die, the fixed mould is fixed on the fixed mould seat, the movable die is fixed on the movable die seat, the movable die seat drives the movable die to move towards the direction close to or away from the fixed mould, the injection mold formed twice further includes bidirectional mould, the bidirectional mould is used to be detachably clamped between the movable die and the fixed mould;

[0006] When the bidirectional mould is clamped between the movable die and the fixed mould, the bidirectional mould and the fixed mould form a one-time forming cavity, and the bidirectional mould and the movable die form a two-time forming cavity.

[0007] In one embodiment, a motor is provided on the bidirectional mould, the bidirectional mould is connected to the power output end of the motor through a bidirectional mould seat, and the rotation center line of the bidirectional mould seat is perpendicular to the moving direction of the movable die.

[0008] In one embodiment, a force application part is provided on the bidirectional mould, and the force application parts are respectively arranged away from the movable die and the movable die.

[0009] In one embodiment, the number of force application parts is two, and the two force application parts are connected to the two side walls of the bidirectional mould.

[0010] In one of the embodiments, the force applying part is integrally formed with the two-way die.

[0011] In one of the embodiments, the movable die seat is driven by a cylinder to move the movable die towards and away from the fixed die.

[0012] In one of the embodiments, when the two-way die is clamped between the movable die and the fixed die, the two-way die and the fixed die form a primary exposed channel, one end of the primary exposed channel is communicated with the primary forming cavity, and the other end of the primary exposed channel is exposed to the two-way die and the fixed die, the electric wire is arranged in the primary forming cavity, at least partially passes through the primary exposed channel and is exposed to the two-way die and the fixed die, and the electric wire is blocked at the end of the primary exposed channel close to the primary forming cavity.

[0013] In one of the embodiments, when the two-way die is clamped between the movable die and the fixed die, the two-way die and the movable die form a secondary exposed channel, the secondary exposed channel is communicated with the secondary forming cavity, and the secondary exposed channel is exposed to the two-way die and the movable die, the electric wire is arranged in the secondary forming cavity, at least partially located at the secondary exposed channel and exposed to the two-way die and the movable die, and the electric wire is blocked at the end of the secondary exposed channel close to the secondary forming cavity.

[0014] In one of the embodiments, the fixed die is provided with a first guide column on the side away from the fixed die seat;

[0015] The two-way die is provided with a first guide hole on the side close to the fixed die, and the first guide column and the first guide hole are correspondingly arranged;

[0016] When the two-way die is clamped between the movable die and the fixed die, the first guide column is located at the first guide hole.

[0017] In one of the embodiments, the movable die is provided with a second guide column on the side away from the movable die seat;

[0018] The two-way die is provided with a second guide hole on the side close to the movable die, and the second guide column and the second guide hole are correspondingly arranged;

[0019] When the two-way die is clamped between the movable die and the fixed die, the second guide column is located at the second guide hole.

[0020] In one of the embodiments, the cooling plate is clamped between the fixed die seat and the movable die, and the cooling water flow channel is provided in the cooling plate, and the two ends of the cooling water flow channel are communicated with the cooling water pipes.

[0021] Compared with the prior art, the earphone connecting line plastic coating forming die has at least the following advantages:

[0022] The earphone connecting line plastic coating forming die of the utility model makes the bidirectional die be used for being detachably clamped between the movable die and the fixed die, and the movable die is driven by the movable die seat to move towards the direction of approaching or moving away from the fixed die, so that the movable die is driven by the movable die seat to complete the die closing action together with the fixed die and the bidirectional die, and when the bidirectional die is clamped between the movable die and the fixed die, the bidirectional die and the fixed die form a primary forming cavity, and the bidirectional die and the movable die form a secondary forming cavity, so that when the movable die, the fixed die and the bidirectional die complete the die closing action together, the primary forming cavity and the secondary forming cavity allow the primary injection and the secondary injection to be completed synchronously and correspondingly, and the injection efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can be obtained without the creative labor on the premise of the drawings.

[0024] Figure 1 It is an embodiment of the earphone connecting line plastic coating forming die of the utility model structure diagram;

[0025] Figure 2 It is Figure 1 It is the earphone connecting line plastic coating forming die of the utility model of the explosion map;

[0026] Figure 3 It is Figure 1 It is another explosion map of the earphone connecting line plastic coating forming die of the utility model;

[0027] Figure 4 It is Figure 1 It is the partial view of the earphone connecting line plastic coating forming die of the utility model in the use state;

[0028] Figure 5 It is Figure 1 It is another partial view of the earphone connecting line plastic coating forming die of the utility model in the use state. DETAILED DESCRIPTION

[0029] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0030] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0032] The application provides a forming die for a plastic coating layer of a connecting line of an earphone. The forming die for the plastic coating layer of the connecting line of the earphone comprises a fixed die seat, a fixed die, a movable die seat, a movable die and a bidirectional die. The fixed die is fixed on the fixed die seat, the movable die is fixed on the movable die seat, the movable die seat drives the movable die to move towards or away from the fixed die, and the bidirectional die is used for detachable clamping between the movable die and the fixed die. When the bidirectional die is clamped between the movable die and the fixed die, the bidirectional die and the fixed die form a primary forming cavity, and the bidirectional die and the movable die form a secondary forming cavity.

[0033] The forming die for the plastic coating layer of the connecting line of the earphone makes the bidirectional die used for detachable clamping between the movable die and the fixed die, and cooperates with the movable die seat to drive the movable die to move towards or away from the fixed die, that is, the movable die is driven by the movable die seat to complete the die closing action together with the fixed die and the bidirectional die, and when the bidirectional die is clamped between the movable die and the fixed die, the bidirectional die and the fixed die form a primary forming cavity, and the bidirectional die and the movable die form a secondary forming cavity. Thus, when the movable die, the fixed die and the bidirectional die complete die closing together, the primary forming cavity and the secondary forming cavity allow synchronous completion of primary injection and secondary injection, respectively, thereby effectively improving the injection efficiency.

[0034] In order to better understand the forming die for the plastic coating layer of the earphone connecting line, the forming die for the plastic coating layer of the earphone connecting line is further explained as follows:

[0035] Please refer to Figures 1 to 3 The forming die 10 for the plastic coating layer of the earphone connecting line in an embodiment includes a fixed die seat 100, a fixed die 200, a movable die seat 300, a movable die 400, and a bidirectional die 500. The fixed die 200 is fixed on the fixed die seat 100, the movable die 400 is fixed on the movable die seat 300, the movable die seat 300 drives the movable die 400 to move towards or away from the fixed die 200, and the bidirectional die 500 is used to be detachably clamped between the movable die 400 and the fixed die 200. Please refer to Figures 4 to 5 When the bidirectional die 500 is clamped between the movable die 400 and the fixed die 200, the bidirectional die 500 and the fixed die 200 form a primary forming cavity 201, and the bidirectional die 500 and the movable die 400 form a secondary forming cavity 401. It can be understood that the forming die for the plastic coating layer of the earphone connecting line is installed on an injection mold, specifically, the fixed die seat is connected to the injection mold. Further, the primary forming cavity and the secondary forming cavity are both in communication with the flow channel of the injection mold, for respectively introducing molten plastic into the primary forming cavity and the secondary forming cavity through the flow channel.

[0036] The forming die 10 for the plastic coating layer of the earphone connecting line described above is used to detachably clamp the bidirectional die 500 between the movable die 400 and the fixed die 200, and cooperate with the movable die seat 300 to drive the movable die 400 to move towards or away from the fixed die 200, that is, to make the movable die 400 complete the clamping action together with the fixed die 200 and the bidirectional die 500 under the driving of the movable die seat 300, and when the bidirectional die 500 is clamped between the movable die 400 and the fixed die 200, the bidirectional die 500 and the fixed die 200 form a primary forming cavity 201, and the bidirectional die 500 and the movable die 400 form a secondary forming cavity 401. In this way, when the movable die 400, the fixed die 200, and the bidirectional die 500 complete the clamping action together, the primary forming cavity 201 and the secondary forming cavity 401 allow synchronous completion of primary injection and secondary injection, respectively, thereby effectively improving the injection efficiency.

[0037] In one of the embodiments, a motor is arranged on the bidirectional die, and the bidirectional die is connected to the power output end of the motor through a bidirectional die seat, and the rotation center line of the bidirectional die seat is perpendicular to the moving direction of the movable die. It can be understood that the bidirectional die can also be rotated manually, and the rotation center line of the bidirectional die is perpendicular to the moving direction of the movable die.

[0038] Please refer to Figures 1 to 3In one of the embodiments, the two-way mold 500 is provided with a force applying part 600, which is arranged away from the fixed mold 200 and the movable mold 400. It can be understood that the force applying part 600 is used for the user to hold, which is beneficial for the manual overturning of the two-way mold 500, and improves the use convenience. Alternatively, the force applying part is used for connection with the motor, which reduces the mechanical interference of the motor with the fixed mold and the movable mold, and further better ensures the injection effect of the molding mold for the plastic coating layer of the connecting line of the earphone.

[0039] Please refer to Figures 1 to 3 In one of the embodiments, the number of the force applying parts 600 is two, and the two force applying parts 600 are oppositely connected to the two side walls of the two-way mold 500. When the two-way mold 500 is manually overturned, the two force applying parts 600 oppositely connected to the two side walls of the two-way mold 500 are beneficial for the user to hold and apply force on the two-way mold 500, and further improve the use convenience.

[0040] Please refer to Figures 1 to 3 In one of the embodiments, the force applying part 600 is integrally formed with the two-way mold 500, which improves the connection stability of the force applying part 600 and the two-way mold 500, further improves the rotation stability of the two-way mold 500, and reduces the processing procedures of the two-way mold 500 and the force applying part 600, and further improves the preparation efficiency of the molding mold 10 for the plastic coating layer of the connecting line of the earphone.

[0041] In one of the embodiments, the movable mold seat is driven by the air cylinder, so as to drive the movable mold to move towards the fixed mold or away from the fixed mold, which effectively ensures the effectiveness of the movement of the movable mold towards the fixed mold or away from the fixed mold.

[0042] Please refer to Figures 1 to 5 In one of the embodiments, when the two-way mold 500 is clamped between the movable mold 400 and the fixed mold 200, the two-way mold 500 and the fixed mold 200 form a primary exposed channel 202. One end of the primary exposed channel 202 is in communication with a primary molding cavity 201, and the other end of the primary exposed channel 202 is exposed to the two-way mold 500 and the fixed mold 200. The electric wire is arranged in the primary molding cavity 201, and at least partially passes through the primary exposed channel 202 and is exposed to the two-way mold 500 and the fixed mold 200. The electric wire is blocked at the end of the primary exposed channel 202 close to the primary molding cavity 201, which is beneficial for the local secondary injection of the electric wire.

[0043] Please refer to Figures 1 to 5In one of the embodiments, when the bidirectional mold 500 is clamped between the movable mold 400 and the fixed mold 200, the bidirectional mold 500 and the movable mold 400 are closed to further form a secondary exposed channel 402, the secondary exposed channel 402 is communicated with the secondary forming cavity 401, and the secondary exposed channel 402 is exposed to the bidirectional mold 500 and the movable mold 400, the electric wire is arranged in the secondary forming cavity 401, and the electric wire is at least partially located at the secondary exposed channel 402 and exposed to the bidirectional mold 500 and the movable mold 400, and the electric wire is blocked at the end of the secondary exposed channel 402 close to the secondary forming cavity 401, which is beneficial to realize the local secondary injection of the electric wire.

[0044] Please refer to Figures 1 to 3 In one of the embodiments, the first guide column 700 is protruded from the side of the fixed mold 200 away from the fixed mold base 100. Further, the first guide hole 501 is arranged on the side of the bidirectional mold 500 close to the fixed mold 200, and the first guide column 700 and the first guide hole 501 are correspondingly arranged. Further, when the bidirectional mold 500 is clamped between the movable mold 400 and the fixed mold 200, the first guide column 700 is located at the first guide hole 501, which ensures the accurate positioning of the mold closing of the bidirectional mold 500 and the fixed mold 200.

[0045] Please refer to Figures 1 to 3 In one of the embodiments, the second guide column 800 is protruded from the side of the movable mold 400 away from the movable mold base 300. Further, the second guide hole 502 is arranged on the side of the bidirectional mold 500 close to the movable mold 400, and the second guide column 800 and the second guide hole 502 are correspondingly arranged. Further, when the bidirectional mold 500 is clamped between the movable mold 400 and the fixed mold 200, the second guide column 800 is located at the second guide hole 502, which ensures the accurate positioning of the mold closing of the bidirectional mold 500 and the movable mold 400.

[0046] Please refer to Figures 1 to 3 In one of the embodiments, the cooling plate 900 is clamped between the fixed mold base 100 and the movable mold 400, the cooling plate 900 is provided with a cooling water flow channel, and the two ends of the cooling water flow channel are communicated with the cooling water pipes, which is beneficial to the rapid cooling of the product after injection molding, and further improves the injection molding efficiency.

[0047] Compared with the prior art, the utility model has at least the following advantages:

[0048] The forming die 10 for the plastic coating layer of the connecting line of the earphone makes the bidirectional die 500 be detachably clamped between the movable die 400 and the fixed die 200, and the movable die seat 300 drives the movable die 400 to move towards the direction of approaching or moving away from the fixed die 200, that is, the movable die 400 is driven by the movable die seat 300 to complete the die closing action together with the fixed die 200 and the bidirectional die 500, and when the bidirectional die 500 is clamped between the movable die 400 and the fixed die 200, the bidirectional die 500 and the fixed die 200 form a primary molding cavity 201, and the bidirectional die 500 and the movable die 400 form a secondary molding cavity 401, so that when the movable die 400, the fixed die 200 and the bidirectional die 500 complete the die closing together, the primary molding cavity 201 and the secondary molding cavity 401 allow synchronous corresponding completion of primary injection and secondary injection, thereby effectively improving the injection efficiency.

[0049] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A molding die for a plastic coating layer of an earphone connector cable, comprising a fixed mold base, a fixed mold, a movable mold base, and a movable mold, wherein the fixed mold is fixed on the fixed mold base, the movable mold is fixed on the movable mold base, and the movable mold base drives the movable mold to move toward or away from the fixed mold, characterized in that, The molding die for the plastic coating layer of the earphone's connecting wire also includes a bidirectional mold, which is detachably clamped between the moving mold and the fixed mold. When the bidirectional mold is sandwiched between the moving mold and the fixed mold, the bidirectional mold and the fixed mold together form a primary forming cavity, and the bidirectional mold and the moving mold together form a secondary forming cavity.

2. The molding die for the plastic coating layer of the headphone connector according to claim 1, characterized in that, The bidirectional mold is equipped with a motor, and the bidirectional mold is connected to the power output end of the motor through a bidirectional mold base. The rotation center line of the bidirectional mold base is perpendicular to the moving direction of the moving mold.

3. The molding die for the plastic coating layer of the headphone connecting cable according to claim 1, characterized in that, The bidirectional mold is provided with a force-bearing part, which is respectively positioned to avoid the moving mold and the moving mold.

4. The molding die for the plastic coating layer of the headphone connecting cable according to claim 3, characterized in that, The number of the force-bearing parts is two, and the two force-bearing parts are connected opposite to each other on the two side walls of the bidirectional mold; and / or, The force-bearing part and the bidirectional mold are integrally formed.

5. The molding die for the plastic coating layer of the headphone connecting cable according to claim 1, characterized in that, The moving mold base is driven by a cylinder to move the moving mold toward and away from the fixed mold.

6. The molding die for the plastic coating layer of the headphone connecting cable according to claim 1, characterized in that, When the bidirectional mold is clamped between the moving mold and the fixed mold, the bidirectional mold and the fixed mold together form a primary exposed channel. One end of the primary exposed channel is connected to the primary molding cavity, and the other end of the primary exposed channel is exposed to the bidirectional mold and the fixed mold. The wire is disposed in the primary molding cavity, and the wire passes through the primary exposed channel and is exposed to the bidirectional mold and the fixed mold at least partially. The wire is also sealed at the end of the primary exposed channel near the primary molding cavity.

7. The molding die for the plastic coating layer of the headphone connecting cable according to claim 1, characterized in that, When the bidirectional mold is clamped between the moving mold and the fixed mold, the bidirectional mold and the moving mold together form a secondary exposed channel. The secondary exposed channel is connected to the secondary molding cavity and is exposed to the bidirectional mold and the moving mold. The wire is disposed in the secondary molding cavity, and at least part of the wire is located at the secondary exposed channel and exposed to the bidirectional mold and the moving mold. The wire is also sealed at the end of the secondary exposed channel near the secondary molding cavity.

8. The molding die for the plastic coating layer of the headphone connector according to claim 1, characterized in that, The fixed mold has a first guide post protruding on the side away from the fixed mold base; The bidirectional mold has a first guide hole on the side near the fixed mold, and the first guide post and the first guide hole are respectively provided; When the bidirectional mold is clamped between the moving mold and the fixed mold, the first guide post is located at the first guide hole.

9. The molding die for the plastic coating layer of the headphone connecting cable according to claim 1, characterized in that, The moving mold has a second guide post protruding on the side away from the moving mold base; The bidirectional mold is provided with a second guide hole on the side near the moving mold, and the second guide post and the second guide hole are provided accordingly; When the bidirectional mold is clamped between the moving mold and the fixed mold, the second guide post is located at the second guide hole.

10. The molding die for the plastic coating layer of the headphone connector according to claim 1, characterized in that, A cooling plate is sandwiched between the fixed mold base and the moving mold. The cooling plate has a cooling water flow channel, and cooling water pipes are connected to both ends of the cooling water flow channel.

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