Voice coil brocade silk thread welding device

Abstract

The utility model discloses a voice coil brocade silk thread welding device, which belongs to the technical field of automation equipment and comprises a base and a support frame, a sleeve is rotatably mounted on the support frame, a rotating drum is rotatably mounted on the peripheral surface of the sleeve, a ratchet wheel is welded on the peripheral surface of the sleeve, and a turntable is welded at one end of the rotating drum. One side of the rotating disc is fixedly connected with three fixing shafts which are evenly distributed in the circumferential direction, pawls are rotationally installed on the outer circumferential faces of the fixing shafts, a driving gear is welded to the rotating drum, one side of the rotating disc is fixedly connected with three fixing blocks which are evenly distributed in the circumferential direction through screws, and circular grooves are formed in the pawls. And reset springs are fixedly connected to one sides of the three fixing blocks and the inner walls of the corresponding circular grooves, a groove is formed in the rotary drum, two limiting blocks are fixedly connected to the inner wall of the groove, a limiting groove is formed in the sleeve, the two limiting blocks are located in the limiting groove, and the effects of improving safety and being high in automation degree are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field, specifically for a voice coil silk thread welding device. BACKGROUND

[0002] At present, the voice coil cotton silk thread, namely the silk thread, is the important wire connecting the voice coil and the external terminal of the loudspeaker, the welding of the silk thread aims at connecting the voice coil and the external circuit, ensures that the audio signal can accurately transmit from the external circuit to the voice coil, thereby generating the sound, and the quality of welding directly influences the performance and the tone quality of the loudspeaker.

[0003] But in the prior art, in the welding process of the voice coil cotton silk thread, a key step is to manually stabilize the voice coil by artificial during the soldering process, to ensure the fixation of the voice coil during welding, after the completion of the welding of one end of the voice coil, the staff needs to manually rotate the voice coil to the other side, so as to continue to complete the welding work of the other end, however, due to the small size of the voice coil, the welding operation often needs to be carried out near the soldering gun, which not only increases the operation difficulty, but also brings great safety hazard, in addition, the whole welding process is highly dependent on manual operation, and the automation level is relatively low, thereby affecting the consistency of production efficiency and welding quality.

[0004] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background of the present application, and therefore, it can contain information which does not constitute prior art. SUMMARY

[0005] Based on the above problems existing in the prior art, the problem to be solved by the present application is to provide a voice coil silk thread welding device, which can improve the safety and the automation level.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is: a voice coil silk thread welding device, comprising a base and a support frame, a sleeve is rotatably installed on the support frame, a rotating drum is rotatably installed on the outer periphery of the sleeve, and a ratchet wheel is welded on the outer periphery of the sleeve.

[0007] One end of the rotating drum is welded with a rotating disc, three fixed shafts evenly distributed in the circumference are fixedly connected on one side of the rotating disc, a pawl is rotatably installed on the outer periphery of the fixed shaft, a driving gear is welded on the rotating drum, three fixed blocks evenly distributed in the circumference are fixedly connected on one side of the rotating disc through screws, a circular groove is formed in the pawl, a reset spring is fixedly connected on the inner wall of the corresponding circular groove on one side of each of the three fixed blocks, a recess is formed in the rotating drum, two limiting blocks are fixedly connected on the inner wall of the recess, a limiting groove is formed in the sleeve, and the two limiting blocks are located in the limiting groove.

[0008] Further, it further includes four circumferentially distributed arc-shaped plates, the inside of the sleeve is rotationally installed with a clamping screw, the outer circumferential surface of the clamping screw is threadedly sleeved with a sliding sleeve, the outer circumferential surface of the sliding sleeve is movably hinged with eight movable rods, one end of each two movable rods is movably hinged on one side of the corresponding arc-shaped plate, four positioning grooves are formed on the sleeve, each two movable rods passes through the inside of the corresponding positioning groove, one side of each of the four arc-shaped plates is welded with a straight rod, four straight grooves are formed on the support frame, one end of each of the four straight rods is slidably connected in the inside of the corresponding straight groove.

[0009] Further, one side of the support frame is installed with an electric guide rail, the electric guide rail is installed with a sliding block, the sliding block is installed with a soldering gun.

[0010] Further, one side of the sliding block is fixedly connected with a connecting rod, one end of the connecting rod is welded with a rack.

[0011] Further, the driving gear and the rack are engaged, and the pawl and the ratchet wheel are engaged.

[0012] Further, a plurality of mounting grooves are formed on the support frame, and the support frame is fixedly connected to the base through bolts.

[0013] The beneficial effects of the present application are that the voice coil is sleeved on the sleeve and the arc-shaped plate, the arc-shaped plate is moved by rotating the clamping screw, thereby supporting the voice coil to ensure its stability, while the soldering gun moves up and down for welding, the driving drum is driven to rotate, the sleeve is rotated due to the cooperation of the ratchet wheel and the pawl, and the welding work is performed on the other side after the welding of one end is completed, the whole process does not need to be manually operated near the soldering gun, the dependence on manual operation is low, the degree of automation is high, the production efficiency is effectively improved, and the welding quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a schematic diagram of the structure of the ratchet wheel and the pawl of the present application;

[0017] Figure 3 It is a schematic diagram of the internal structure of the driving drum of the present application;

[0018] Figure 4 It is a schematic diagram of the inside of the sleeve of the present application.

[0019] In the figure: 1, base; 2, support frame; 3, sleeve; 4, sliding block; 5, soldering gun; 6, ratchet; 7, rotating drum; 8, rotating disc; 9, fixed shaft; 10, pawl; 11, fixed block; 12, return spring; 13, limiting block; 14, drive gear; 15, rack; 16, connecting rod; 17, clamping screw; 18, sliding sleeve; 19, movable rod; 20, arc plate. DETAILED DESCRIPTION

[0020] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with the drawings, the utility model is further detailed.

[0021] As Figures 1-4 Indicated, the present application provides a kind of voice coil silk thread welding device, including base 1 and support frame 2, support frame 2 is rotatably installed with sleeve 3, the outer circumferential surface of sleeve 3 is rotatably installed with rotating drum 7, the outer circumferential surface of sleeve 3 is welded with ratchet 6, one end of rotating drum 7 is welded with rotating disc 8, the one side of rotating disc 8 is fixedly connected with three circumferentially distributed fixed shaft 9, the outer circumferential surface of fixed shaft 9 is rotatably installed with pawl 10, drive gear 14 is welded on rotating drum 7, the one side of rotating disc 8 is fixedly connected with three circumferentially distributed fixed block 11 by screw, the circular groove is opened in pawl 10, the inner wall of the circular groove of one side of three fixed blocks 11 is fixedly connected with return spring 12, the recess is opened in the inside of rotating drum 7, the inner wall of recess is fixedly connected with two limiting blocks 13, limiting slot is opened in sleeve 3, and two limiting blocks 13 are located in the inside of limiting slot.

[0022] Voice coil silk thread welding device further includes four circumferentially distributed arc plates 20, clamping screw 17 is rotatably installed in the inside of sleeve 3, sliding sleeve 18 is threadedly sleeved on the outer circumferential surface of clamping screw 17, eight movable rods 19 are movably hinged on the outer circumferential surface of sliding sleeve 18, one end of every two movable rods 19 is movably hinged on the one side of corresponding arc plate 20, four positioning grooves are opened in sleeve 3, every two movable rods 19 respectively passes through the inside of corresponding positioning groove, the one side of four arc plates 20 is welded with straight rod, four straight slots are opened in support frame 2, and one end of four straight rods is slidably connected in the inside of corresponding straight slot.

[0023] The one side of support frame 2 is installed with electric guide rail, and sliding block 4 is installed on electric guide rail, and soldering gun 5 is installed on sliding block 4.

[0024] The one side of sliding block 4 is fixedly connected with connecting rod 16, and rack 15 is welded on one end of connecting rod 16.

[0025] Drive gear 14 and rack 15 are engaged, and pawl 10 and ratchet 6 are engaged.

[0026] A plurality of mounting grooves are formed on the support frame 2, and the support frame 2 is fixedly connected to the base 1 by bolts.

[0027] The working principle of the utility model is as follows: the voice coil is sleeved on the outer circumferential surface of the sleeve 3 and the four arc-shaped plates 20, the voice coil to be welded is placed right below the soldering gun 5, the sleeve 3 end is held, the clamping screw rod 17 is rotated, the clamping screw rod 17 drives the sliding sleeve 18 to move, the sliding sleeve 18 moves forward and backward by cooperating with the limitation of the movable rod 19 and the screw thread advancing principle of the clamping screw rod 17, and then the movable rod 19 drives the arc-shaped plate 20 to move, the arc-shaped plate 20 moves along the straight groove direction driven by the straight rod due to the limitation of the straight rod and the straight groove, so that the four arc-shaped plates 20 hold the voice coil, and the stability during welding is ensured.

[0028] Further, the electric guide rail drives the sliding block 4 to move, the sliding block 4 drives the soldering gun 5 to move up and down to realize the welding work, during the working process, the sliding block 4 drives the rack 15 to move through the connecting rod 16, the rack 15 drives the driving gear 14 to drive the rotary drum 7 to move, the rotary drum 7 drives the rotary disc 8 to move, at this time, the ratchet claw 10 rotates, the arc surface on the ratchet wheel 6 makes the ratchet claw 10 pass but does not drive the ratchet wheel 6 to rotate, the ratchet claw 10 is reset by the reset spring 12, the meshing of the ratchet claw 10 and the ratchet wheel 6 is ensured, when the sliding block 4 is reset, the rack 15 moves upward, the rotary disc 8 and the ratchet claw 10 are reversed, the ratchet claw 10 is clamped on the tooth of the ratchet wheel 6, the ratchet wheel 6 is driven to rotate, the sleeve 3 is driven to rotate by the ratchet wheel 6, the voice coil is turned over, the voice coil is turned to the other side welding position, the next time welding work is ensured, the sleeve 3 behind the support frame can also be manually held during welding, the soldering gun 5 can also be prevented from scalding the worker by the support frame 2 protection, during the whole working process, the limiting block 13 moves in the limiting groove, the rotary drum 7 and the sleeve 3 can be prevented from being separated, and the stability of the whole working process is ensured.

[0029] The above-described specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above-described specific embodiments are only specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A voice coil wire bonding apparatus, characterized by, It include base (1) and support frame (2), the sleeve (3) is rotatably installed on the support frame (2), the outer circumferential surface of the sleeve (3) is rotatably installed with the rotating drum (7), the outer circumferential surface of the sleeve (3) is welded with the ratchet wheel (6); One end of the rotating drum (7) is welded with the rotating disc (8), one side of the rotating disc (8) is fixedly connected with three circumferentially distributed fixed shafts (9), the outer circumferential surface of the fixed shaft (9) is rotatably installed with the pawl (10), the rotating drum (7) is welded with the driving gear (14), one side of the rotating disc (8) is fixedly connected with three circumferentially distributed fixed blocks (11) through screws, the pawl (10) is provided with a circular groove, one side of each of the three fixed blocks (11) is fixedly connected with a return spring (12) on the inner wall of the corresponding circular groove, the inside of the rotating drum (7) is provided with a recess, and the inner wall of the recess is fixedly connected with two limiting blocks (13); the sleeve (3) is provided with a limiting groove, and the two limiting blocks (13) are located in the inside of the limiting groove.

2. A voice coil wire bonding apparatus according to claim 1, wherein: It also includes four circumferentially distributed arc-shaped plates (20), the inside of the sleeve (3) is rotatably installed with a clamping screw (17), the outer circumferential surface of the clamping screw (17) is threadedly sleeved with a sliding sleeve (18), the outer circumferential surface of the sliding sleeve (18) is movably hinged with eight movable rods (19), one end of each of the two movable rods (19) is movably hinged on one side of the corresponding arc-shaped plate (20), the sleeve (3) is provided with four positioning grooves, and each of the two movable rods (19) passes through the inside of the corresponding positioning groove; one side of each of the four arc-shaped plates (20) is welded with a straight rod, the support frame (2) is provided with four straight grooves, and one end of each of the four straight rods is slidably connected in the inside of the corresponding straight groove.

3. A voice coil wire bonding apparatus according to claim 2, wherein: One side of the support frame (2) is provided with an electric guide rail, and the electric guide rail is installed with a sliding block (4); the sliding block (4) is installed with a soldering iron gun (5).

4. A voice coil wire bonding apparatus according to claim 3, wherein: One side of the sliding block (4) is fixedly connected with a connecting rod (16), and one end of the connecting rod (16) is welded with a rack (15).

5. A voice coil wire bonding apparatus according to claim 4, wherein: The driving gear (14) and the rack (15) are engaged, and the pawl (10) and the ratchet wheel (6) are engaged.

6. A voice coil wire bonding apparatus as defined in claim 1, wherein: The support frame (2) is provided with a plurality of mounting grooves, and the support frame (2) is fixedly connected to the base (1) through bolts.

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