Film pressing device for loudspeaker production and processing

By using an electric push rod and a servo motor to drive the upper and lower pressure plates to move synchronously, combined with a heating module for softening and a limiting structure, the problem of uneven diaphragm pressing leading to breakage is solved, achieving uniform pressing and molding effect.

CN223694008UActive Publication Date: 2025-12-19GANZHOU PENGCHUANG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423211790.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-19
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing loudspeaker diaphragm pressing devices, the bottom mold is fixed to the top of the base and cannot be moved, resulting in uneven pressure on the upper and lower sides of the diaphragm, which may lead to diaphragm breakage.

Method used

The upper and lower pressure plates are moved synchronously by electric push rods and servo motors, and the heating module softens the diaphragm. The transmission components and limiting structure ensure uniform pressing and forming.

Benefits of technology

It achieves uniform pressure on both sides of the diaphragm to prevent breakage, and softens the diaphragm through the heating module to facilitate molding, ensuring that the molded diaphragm is straight.

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Abstract

The utility model relates to the technical field of loudspeaker production and processing, and discloses a film pressing device for loudspeaker production and processing. The film pressing device for loudspeaker production and processing comprises a base, a supporting frame, an electric push rod I, an upper pressing plate, a servo motor, a supporting frame I, an electric sliding block and a clamping assembly, the supporting frame is fixedly connected to the base, the electric push rod I is installed on the top of the supporting frame, the upper pressing plate is arranged in the supporting frame in a sliding mode, and the upper pressing plate is installed on the supporting frame. A servo motor is installed on the left side of the base, and two supporting frames I are fixedly connected to the left side of the base. By starting the electric push rod I and the electric push rod II and controlling extension of telescopic rods of the electric push rod I and the electric push rod II, the upper pressing plate and the lower pressing plate move towards the middle at the same time to evenly press the vibrating diaphragm, so that the upper side and the lower side of the vibrating diaphragm can be evenly pressed, and the vibrating diaphragm is effectively prevented from being broken in the pressing process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to loudspeaker production and processing technical field, and disclose a kind of film pressing device for loudspeaker production and processing. BACKGROUND

[0002] The film pressing process used in loudspeaker production is a common manufacturing technique used to make certain components of a loudspeaker, particularly the diaphragm. The diaphragm is one of the key components in a loudspeaker, responsible for converting electrical signals into sound vibrations, thereby producing sound. The film pressing process ensures that the diaphragm has good mechanical strength, lightweight, and appropriate elasticity.

[0003] The patent with the authorization disclosure number CN219812258U discloses a kind of loudspeaker film pressing device, including base, the top of the base is fixed with bottom die, the both sides of the base are all fixed with pillar, the top of the pillar is fixed with top plate, the bottom of the top plate is pushed with horizontal plate by hydraulic cylinder, the middle of the horizontal plate bottom is installed with stamping head. Although the patent can quickly position the diaphragm, avoid the situation of deviation during stamping process, ensure the production quality of diaphragm processing, but in the process of pressing, since bottom die is fixed on the top of base, cannot move, can only rely on stamping head to move downward and press diaphragm, lead to unable to uniformly press diaphragm, so that the pressure received on the upper and lower sides of diaphragm is uneven, thereby possibly leading to diaphragm fracture.

[0004] Therefore, a kind of film pressing device for loudspeaker production and processing is needed, which can avoid diaphragm fracture. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing patent that, in the process of pressing, since bottom die is fixed on the top of base, cannot move, can only rely on stamping head to move downward and press diaphragm, lead to unable to uniformly press diaphragm, so that the pressure received on the upper and lower sides of diaphragm is uneven, thereby possibly leading to diaphragm fracture, the utility model provides a kind of film pressing device for loudspeaker production and processing, which can avoid diaphragm fracture.

[0006] The utility model provides the following technical scheme: A kind of membrane pressing device for loudspeaker production and processing, including base, support frame, electric push rod I, upper pressing plate, servo motor, support frame I, transmission roller, straight gear set I, support seat, electric sliding rail, electric sliding block and clamping component, support frame is fixedly connected on base, support frame top is equipped with electric push rod I, support frame inside is slidably provided with upper pressing plate, the telescopic rod of electric push rod I is connected with upper pressing plate, servo motor is installed on base left side, two support frames I are fixedly connected on base left side, two transmission rollers are rotatably arranged on two support frames I, the straight gear set I is arranged on the one end of two transmission rollers, the output shaft of servo motor is connected with lower transmission roller, support seat is installed on base, electric sliding rail is arranged on support seat, electric sliding block is slidably arranged on electric sliding rail, two clamping components are slidably arranged on electric sliding block, electric sliding block is connected with clamping component, further include electric push rod II and lower pressing plate, electric push rod II is installed in the middle of base, lower pressing plate is slidably arranged in support frame, the telescopic rod of electric push rod II is connected with lower pressing plate.

[0007] Further explanation, further include heating module, heating pipe and heat preservation shell, support frame left side is provided with heating module, two heating pipes are connected at the bottom of heating module, support frame left side is fixedly connected with heat preservation shell, heating pipe extends to the inside of heat preservation shell.

[0008] Further explanation, further include support frame II, pivot I, pivot II, friction wheel, straight gear set II and transmission assembly, two support frames II are installed on base right side, pivot I is rotatably arranged on the upper portion of two support frames II, pivot II is rotatably arranged on the lower portion of two support frames II, two friction wheels are arranged on pivot I and pivot II, straight gear set II is arranged on pivot I and pivot II, transmission assembly is arranged on pivot I and upper transmission roller.

[0009] Further explanation, further include limiting plate, upper pressing plate and lower pressing plate are fixedly connected with limiting plate.

[0010] Further explanation, further include protective shell, protective shell is arranged between pivot I and upper transmission roller, and transmission assembly is arranged in protective shell.

[0011] Further explanation, further include noise reduction shell, noise reduction shell is slidably arranged on the front side of support frame.

[0012] Compared with prior art, the utility model provides a kind of membrane pressing device for loudspeaker production and processing, with the following beneficial effects: 1, by starting electric push rod I and electric push rod II, by controlling the telescopic rod elongation of both, make upper pressing plate and lower pressing plate move to middle simultaneously, even pressing is carried out to diaphragm, so that the even pressure is received on both sides of diaphragm, effectively prevent diaphragm from breaking during pressing process.

[0013] 2, the heating module runs to generate heat, the heat is transported to the inside of the heat preservation shell through the heating pipe, and then the diaphragm passing through the heat preservation shell is heated, so that the diaphragm is softened, so that subsequent compression molding is facilitated.

[0014] 3, by the diaphragm is formed into the rotation axis I and the rotation axis II, to limit its, ensure that the diaphragm formed remains flat. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0016] Figure 2 It is the three-dimensional structure schematic diagram of the utility model base, support frame and electric push rod I.

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the utility model lower pressing plate, limit plate and servo motor.

[0018] Figure 4 It is the three-dimensional sectional view of the utility model heating module, heating pipe and heat preservation shell.

[0019] Figure 5 It is the three-dimensional structure schematic diagram of the utility model support frame II, rotation axis I and rotation axis II.

[0020] Figure 6 It is the three-dimensional structure schematic diagram of the utility model upper pressing plate, electric push rod II and lower pressing plate.

[0021] Figure 7 It is the three-dimensional structure schematic diagram of the utility model support seat, electric sliding rail and electric sliding block.

[0022] Markings in the drawings: 1: base, 2: support frame, 3: electric push rod I, 4: upper pressing plate, 5: electric push rod II, 6: lower pressing plate, 7: limit plate, 8: servo motor, 9: support frame I, 10: transmission roller, 11: straight gear set I, 12: support seat, 13: electric sliding rail, 14: electric sliding block, 15: clamping assembly, 16: heating module, 17: heating pipe, 18: heat preservation shell, 19: support frame II, 20: rotation axis I, 21: rotation axis II, 22: friction wheel, 23: straight gear set II, 24: transmission assembly, 25: protective shell, 26: noise reduction shell. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Embodiment 1: A film pressing device for loudspeaker production and processing, please refer to Figures 1-7 , including base 1, support frame 2, electric push rod I 3, upper pressing plate 4, servo motor 8, support frame I 9, transmission roller 10, straight gear set I 11, support seat 12, electric sliding rail 13, electric sliding block 14 and clamping assembly 15, the support frame 2 is fixedly connected on the base 1, the electric push rod I 3 is arranged on the top of the support frame 2 in a bolted manner, the upper pressing plate 4 is slidably arranged in the support frame 2, the telescopic rod of the electric push rod I 3 is connected with the upper pressing plate 4, the servo motor 8 is arranged on the left side of the base 1 in a bolted manner, two support frames I 9 are fixedly connected on the left side of the base 1, two transmission rollers 10 are rotatably arranged on the two support frames I 9, the straight gear set I 11 is arranged on one end of the two transmission rollers 10, the output shaft of the servo motor 8 is connected with the lower transmission roller 10, the support seat 12 is arranged on the base 1 in a bolted manner, the electric sliding rail 13 is arranged on the support seat 12, the electric sliding block 14 is slidably arranged on the electric sliding rail 13, two clamping assemblies 15 are slidably arranged on the electric sliding block 14, the electric sliding block 14 is connected with the clamping assembly 15, the electric push rod II 5 is arranged in the middle of the base 1 in a bolted manner, the lower pressing plate 6 is slidably arranged in the support frame 2, the telescopic rod of the electric push rod II 5 is connected with the lower pressing plate 6, the upper pressing plate 4 and the lower pressing plate 6 are both fixedly connected with the limiting plate 7, the limiting plate 7 is in contact with the diaphragm during pressing, so as to limit the diaphragm, thereby making the stress on the upper and lower sides of the diaphragm uniform, the noise reduction shell 26 is slidably arranged on the front side of the support frame 2, the noise reduction shell 26 isolates the noise generated during pressing, avoiding the transmission of noise to the outside.

[0025] When the diaphragm needs to be pressed, first, the diaphragm is wound on the left side of the transmission roller 10, then one end of the diaphragm is pulled to pass between the two transmission rollers 10, and the diaphragm is continuously pulled to the right to pass into the inside of the support frame 2, one end of the diaphragm is passed between the two clamping assemblies 15, and the two clamping assemblies 15 are pushed inward to ensure that they clamp the diaphragm, then the electric push rod I 3 and the electric push rod II 5 are started, the extension rods of the two are controlled to be elongated, the upper pressing plate 4 and the lower pressing plate 6 are simultaneously moved to the middle, and the diaphragm is uniformly pressed, so that the diaphragm can be uniformly pressed from top to bottom, effectively preventing the diaphragm from being broken during the pressing process, after the pressing is completed, the extension rods of the electric push rod I 3 and the electric push rod II 5 are controlled to be retracted, the upper pressing plate 4 and the lower pressing plate 6 are simultaneously moved to the two sides, and no longer contact with the diaphragm, then the servo motor 8 and the electric sliding rail 13 are started, the output shaft of the servo motor 8 rotates to drive the lower transmission roller 10 to rotate, the upper transmission roller 10 is synchronously rotated through the transmission action of the straight gear set I 11, so that the diaphragm is conveyed to the right to the inside of the support frame 2, at the same time, the electric sliding rail 13 operates to drive the electric sliding block 14 to move to the right, the movement of the electric sliding block 14 drives the clamping assembly 15 to move to the right, and finally the diaphragm after being pressed is pulled out from the inside of the support frame 2.

[0026] Example 2: on the basis of example 1, please refer to Figure 3 and Figure 4 , the left side of the support frame 2 is provided with a heating module 16, the bottom of the heating module 16 is connected with two heating pipes 17, the left side of the support frame 2 is fixedly connected with a heat preservation shell 18, and the heating pipes 17 extend into the inside of the heat preservation shell 18.

[0027] Before the diaphragm is pressed, the heating module 16 is started first, the heating module 16 generates heat during operation, the heat is transmitted to the inside of the heat preservation shell 18 through the heating pipes 17, and then the diaphragm passing through the heat preservation shell 18 is heated to soften the diaphragm, so as to facilitate the subsequent pressing and forming.

[0028] Please refer to Figure 1 , Figure 2 and Figure 5 , the right side of the base 1 is provided with two support frames II 19 in a bolted manner, the upper parts of the two support frames II 19 are commonly provided with a rotating shaft I 20 in a rotating manner, the lower parts of the two support frames II 19 are commonly provided with a rotating shaft II 21 in a rotating manner, the rotating shaft I 20 and the rotating shaft II 21 are both provided with two friction wheels 22, the rotating shaft I 20 and the rotating shaft II 21 are commonly provided with a straight gear set II 23, the rotating shaft I 20 and the upper transmission roller 10 are commonly provided with a transmission assembly 24, the rotating shaft I 20 and the upper transmission roller 10 are provided with a protective shell 25 therebetween, and the transmission assembly 24 is located in the inside of the protective shell 25, so as to protect the transmission assembly 24, avoid foreign matters from winding on the transmission assembly 24, and affect the rotation of the transmission assembly 24.

[0029] After the pressed diaphragm is pulled out from the inside of the support frame 2, the formed diaphragm is inserted between the rotating shaft I 20 and the rotating shaft II 21 to limit it, ensure that the formed diaphragm remains flat, the transmission roller 10 rotates, and then drives the rotating shaft I 20 to rotate through the transmission of the transmission assembly 24, thereby conveying the formed diaphragm to the right.

[0030] While the present application has been described with reference to example embodiments, it will be understood that the application is not limited to the example embodiments disclosed. The scope of the following claims is to be given the broadest interpretation to encompass all variations and equivalents.

Claims

1. A loudspeaker production and processing film pressing device, comprising a base (1), a support frame (2), an electric push rod I (3), an upper pressing plate (4), a servo motor (8), a support frame I (9), a transmission roller (10), a straight gear set I (11), a support seat (12), an electric sliding rail (13), an electric sliding block (14) and a clamping assembly (15), the support frame (2) is fixedly connected to the base (1), the electric push rod I (3) is installed at the top of the support frame (2), the upper pressing plate (4) is slidably arranged in the support frame (2), the telescopic rod of the electric push rod I (3) is connected with the upper pressing plate (4), the servo motor (8) is installed on the left side of the base (1), two support frames I (9) are fixedly connected to the left side of the base (1), two transmission rollers (10) are rotatably arranged on the two support frames I (9), the straight gear set I (11) is arranged at one end of the two transmission rollers (10), the output shaft of the servo motor (8) is connected with the lower transmission roller (10), the support seat (12) is installed on the base (1), the electric sliding rail (13) is arranged on the support seat (12), the electric sliding block (14) is slidably arranged on the electric sliding rail (13), two clamping assemblies (15) are slidably arranged on the electric sliding block (14), the electric sliding block (14) is connected with the clamping assembly (15), characterized in that: The electric push rod II (5) and the lower pressing plate (6) are further included, the electric push rod II (5) is installed in the middle of the base (1), the lower pressing plate (6) is slidably arranged in the inside of the support frame (2), and the telescopic rod of the electric push rod II (5) is connected with the lower pressing plate (6).

2. The film pressing device for loudspeaker production and processing according to claim 1, characterized in that: The heating module (16), the heating pipe (17) and the heat preservation shell (18) are further included, the heating module (16) is arranged on the left side of the support frame (2), the two heating pipes (17) are connected to the bottom of the heating module (16), the heat preservation shell (18) is fixedly connected to the left side of the support frame (2), and the heating pipe (17) extends into the inside of the heat preservation shell (18).

3. The film pressing device for loudspeaker production and processing according to claim 2, characterized in that: The support frame II (19), the rotating shaft I (20), the rotating shaft II (21), the friction wheel (22), the straight gear set II (23) and the transmission assembly (24) are further included, the two support frame II (19) are installed on the right side of the base (1), the rotating shaft I (20) is rotatably arranged on the upper parts of the two support frame II (19), the rotating shaft II (21) is rotatably arranged on the lower parts of the two support frame II (19), the rotating shaft I (20) and the rotating shaft II (21) are provided with the two friction wheels (22), the rotating shaft I (20) and the rotating shaft II (21) are provided with the straight gear set II (23) in common, and the rotating shaft I (20) and the upper transmission roller (10) are provided with the transmission assembly (24) in common.

4. The film pressing device for speaker production and processing according to claim 3, characterized in that: The limiting plate (7) is further included, and the upper pressing plate (4) and the lower pressing plate (6) are fixedly connected with the limiting plate (7).

5. The film pressing device for speaker production and processing according to claim 4, characterized in that: The protective shell (25) is further included, the protective shell (25) is arranged between the rotating shaft I (20) and the upper transmission roller (10), and the transmission assembly (24) is located in the inside of the protective shell (25).

6. The film pressing device for speaker production and processing according to claim 5, characterized in that: The noise reduction shell (26) is further included, and the noise reduction shell (26) is slidably arranged on the front side of the support frame (2).

Citation Information

Patent Citations

  • Loudspeaker film pressing device

    CN219812258U