Cotton thread tinning machine for voice coil

Abstract

The utility model provides a voice coil cotton thread tinning machine which comprises a pay-off device and a machine table, and a thread pulling station, a thread cutting station, a first thread clamping and overturning station, a first tinning station, a second thread clamping and overturning station, a second tinning station and a material taking and overturning station are arranged on the machine table. The pay-off device is used for supplying cotton threads to the first thread clamping and overturning station; the thread pulling station is used for pulling out the cotton thread by the required length; the thread cutting station is used for cutting off the cotton threads; the first tinning station and the second tinning station each comprise a tin furnace. The first thread clamping and overturning station is used for clamping a thread end at one end of the cotton thread coil and overturning the thread end to a tin furnace of the first tin plating station for tin plating operation; the second thread clamping and overturning station is used for clamping one end of the cotton thread and overturning one end of the cotton thread to a tin furnace of the second tinning station for tinning operation; and the material taking and overturning station is used for clamping the cotton threads on the second thread clamping and overturning station and driving the cotton threads to be overturned to the next station for discharging, automatic tinning is achieved, and manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of voice coil processing equipment, in particular to a tin plating machine for cotton threads used in voice coils. Background Art

[0002] A voice coil is a coil that passes an electric current in a loudspeaker and is an important part of the mechanical wave system of an electrodynamic loudspeaker. It can also be said to be the heart of the loudspeaker. The voice coil mainly consists of a bobbin and a coil. During the production process of the voice coil, a section of cotton thread needs to be welded to both ends of the coil for lead-out. Currently, the cutting and tin plating operations of the cotton thread require manual operation, which requires a large amount of manpower, increases the labor cost, reduces the production efficiency, and affects the output. Summary of the Invention

[0003] The problem to be solved by the utility model is to provide a tin plating machine for cotton threads used in voice coils, which saves manpower and improves production efficiency.

[0004] To solve the above technical problems, a tin plating machine for cotton threads used in voice coils provided by the utility model includes a wire feeding device and a machine table. A wire pulling station, a wire cutting station, a first wire clamping and flipping station, a first tin plating station, a second wire clamping and flipping station, a second tin plating station, and a material taking and flipping station are arranged on the machine table. The wire feeding device is used for loading cotton thread reels and simultaneously supplying several cotton threads to the first wire clamping and flipping station. The wire pulling station is used for simultaneously pulling out several cotton threads to the required length. The wire cutting station is used for simultaneously cutting several cotton threads. Both the first tin plating station and the second tin plating station include a tin furnace. The first wire clamping and flipping station is used for simultaneously clamping the end heads of several cotton thread reels and flipping the end heads onto the tin furnace of the first tin plating station for tin plating operation. The second wire clamping and flipping station is used for simultaneously clamping one end of several cotton threads and flipping one end of the cotton threads onto the tin furnace of the second tin plating station for tin plating operation. The material taking and flipping station is used for clamping the cotton threads at the second wire clamping and flipping station and driving the cotton threads to flip to the next station for unloading.

[0005] Preferably, the wire feeding device includes a wire rack, several wire feeding mechanisms arranged on the wire rack, and a wire guiding mechanism arranged on the machine table. The wire feeding mechanism includes a wire feeding motor arranged on the wire rack and a wire feeding wheel drivingly connected to the wire feeding motor. The wire guiding mechanism includes a first vertical plate arranged on the machine table and a wire guiding plate fixedly connected to the top of the first vertical plate. Several wire guiding cylinders are arranged side by side on the wire guiding plate.

[0006] Preferably, both the first wire clamping and flipping station and the second wire clamping and flipping station include an X-axis sliding seat slidably connected to the top of the machine table along the X-axis direction, a second vertical plate fixedly connected to the top of the X-axis sliding seat, a flipping drive motor arranged on the second vertical plate, a disc driven by the flipping drive motor, a first driving cylinder arranged on the disc, a first pneumatic gripper driven by the first driving cylinder, and an X-axis adjusting screw rotatably connected to the top of the machine table. First clamping plates and second clamping plates are respectively installed on the two gripper jaws of the first pneumatic gripper. An avoidance groove is arranged on the top of the second clamping plate of the first wire clamping and flipping station. A plurality of wire passing holes communicating with the avoidance groove are arranged side by side through both side surfaces of the first clamping plate of the first wire clamping and flipping station. The wire passing holes are arranged corresponding to the wire guide cylinders. An internal thread sleeve threadedly connected to the X-axis adjusting screw is arranged at the bottom of the X-axis sliding seat.

[0007] Preferably, the wire pulling station includes a third vertical plate arranged on the top of the machine table, an X-axis linear driving device arranged on the third vertical plate, and a second pneumatic gripper driven by the X-axis linear driving device.

[0008] Preferably, both the first soldering station and the second soldering station further include a tin slag scraping mechanism. The tin slag scraping mechanism includes an X-axis driving cylinder fixedly connected to the top of the machine table, a flipping driving cylinder driven by the X-axis driving cylinder, and a tin scraping arm assembly. The tin scraping arm assembly includes a rotating seat fixedly connected to the output shaft of the X-axis driving cylinder, a connecting arm hinged to the rotating seat, and a scraping plate fixedly connected to one end of the connecting arm. A U-shaped card slot is arranged at the top of the connecting arm. A T-shaped joint is connected to the output shaft of the flipping driving cylinder, and the T-shaped joint is stuck in the U-shaped card slot. A waste residue collection tank is arranged on one side of the tin furnace.

[0009] Preferably, the wire cutting station includes a fourth vertical plate arranged on the top of the machine table, a Y-axis driving cylinder arranged on the top of the fourth vertical plate, and a pneumatic scissors driven by the Y-axis driving cylinder.

[0010] Preferably, the material taking and flipping station includes a fifth vertical plate arranged on the top of the machine table, a rotating cylinder arranged on the fifth vertical plate, a second driving cylinder driven by the rotating cylinder, and a third pneumatic gripper driven by the second driving cylinder.

[0011] The beneficial effects of the present utility model are as follows: The present utility model provides a tin plating machine for cotton threads used in voice coils. A plurality of cotton thread reels are loaded on a wire feeding device, and the wire feeding device supplies a plurality of cotton threads to a first wire clamping and flipping station simultaneously. The first wire clamping and flipping station clamps the end wire heads of a plurality of cotton thread reels simultaneously and flips the wire heads onto a tin furnace at a first tin plating station for tin plating operation. A wire pulling station pulls out a required length of a plurality of cotton threads simultaneously and allows a second wire clamping and flipping station to clamp the cotton threads. Then, a wire cutting station cuts a plurality of cotton threads simultaneously. Next, the second wire clamping and flipping station drives the cotton thread segments to flip onto a tin furnace at a second tin plating station for tin plating operation. After the second wire clamping and flipping station drives the cotton thread segments to flip up and return to the original position, a material taking and flipping station clamps the cotton thread segments on the second wire clamping and flipping station and drives the cotton threads to flip to the next station for discharging. A discharging box can be placed below the material taking and flipping station, so that the material taking and flipping station can put the cotton thread segments with tin plated at both ends into the discharging box for discharging, realizing the automation of feeding, wire cutting, tin plating, and discharging, greatly saving labor, reducing labor costs, improving production efficiency, and ensuring the stable quality of cotton thread processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Illustrates the external structure schematic diagram of the present utility model.

[0013] Figure 2 Illustrates the front view of the present utility model.

[0014] Figure 3 Illustrates the structural schematic diagram of the first tin plating station of the present utility model.

[0015] Figure 4 Illustrates the structural schematic diagram of the first wire clamping and flipping station of the present utility model.

[0016] Figure 5 Illustrates the structural schematic diagram of the wire pulling station of the present utility model.

[0017] Figure 6 Illustrates the structural schematic diagram of the material taking and flipping station of the present utility model.

[0018] Figure 7 Illustrates the present utility model Figure 1 Partial enlarged structural schematic diagram of part A therein.

[0019] Description of the attached reference numerals: Pay-off device 1, wire rack 10, pay-off mechanism 11, pay-off motor 110, pay-off wheel 111, wire guiding mechanism 12, first vertical plate 120, wire guiding plate 121, wire guiding cylinder 122, wire pulling station 2, third vertical plate 20, X-axis linear driving device 21, second pneumatic gripper 22, wire cutting station 3, fourth vertical plate 30, Y-axis driving cylinder 31, pneumatic scissors 32, first wire clamping and flipping station 4, X-axis sliding seat 40, internal thread sleeve 400, second vertical plate 41, flipping driving motor 42, disc 43, first driving cylinder 44, first pneumatic gripper 45, first clamping plate 450, second clamping plate 451, clearance groove 452, wire threading hole 453, X-axis adjusting screw 46, first soldering station 5, soldering furnace 50, solder slag scraping mechanism 51, X-axis driving cylinder 510, flipping driving cylinder 511, rotating seat 512, connecting arm 513, scraping plate 514, U-shaped card slot 515, T-shaped joint 516, waste residue collection tank 52, second wire clamping and flipping station 6, second soldering station 7, material taking and flipping station 8, fifth vertical plate 80, rotating cylinder 81, second driving cylinder 82, third pneumatic gripper 83. Detailed implementation manners

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. Apparently, the described embodiments are some, but not all, of the embodiments of the present disclosure.

[0021] All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0022] Refer to Figures 1-7 。

[0023] The utility model provides a tin plating machine for cotton thread used in voice coils, which comprises a wire feeding device 1 and a machine table. A wire pulling station 2, a wire cutting station 3, a first wire clamping and turning station 4, a first tin plating station 5, a second wire clamping and turning station 6, a second tin plating station 7, and a material taking and turning station 8 are arranged on the machine table. The wire feeding device 1 is used for loading cotton thread reels and simultaneously supplying a plurality of cotton threads to the first wire clamping and turning station 4. The wire pulling station 2 is used for simultaneously pulling out a required length of a plurality of cotton threads. The wire cutting station 3 is used for simultaneously cutting off a plurality of cotton threads. Both the first tin plating station 5 and the second tin plating station 7 include a tin furnace 50. The first wire clamping and turning station 4 is used for simultaneously clamping one end of the thread heads of a plurality of cotton thread reels and turning the thread heads onto the tin furnace 50 of the first tin plating station 5 for tin plating operation. The second wire clamping and turning station 6 is used for simultaneously clamping one end of a plurality of cotton threads and turning one end of the cotton threads onto the tin furnace 50 of the second tin plating station 7 for tin plating operation. The material taking and turning station 8 is used for clamping the cotton threads at the second wire clamping and turning station 6 and driving the cotton threads to turn to the next station for discharging.

[0024] The working principle is as follows: A plurality of cotton thread reels are loaded on the wire feeding device 1, and a plurality of cotton threads are simultaneously supplied to the first wire clamping and turning station 4 through the wire feeding device 1. The first wire clamping and turning station 4 simultaneously clamps one end of the thread heads of a plurality of cotton thread reels and turns the thread heads onto the tin furnace 50 of the first tin plating station 5 for tin plating operation. The wire pulling station 2 simultaneously pulls out a required length of a plurality of cotton threads and allows the second wire clamping and turning station 6 to clamp the cotton threads. Then, the wire cutting station 3 simultaneously cuts off a plurality of cotton threads. Next, the second wire clamping and turning station 6 drives the cotton thread segments to turn onto the tin furnace 50 of the second tin plating station 7 for tin plating operation. After the second wire clamping and turning station 6 drives the cotton thread segments to turn up and reset, the material taking and turning station 8 clamps the cotton thread segments at the second wire clamping and turning station 6 and drives the cotton threads to turn to the next station for discharging. A discharging box can be placed below the material taking and turning station 8, so that the material taking and turning station 8 can put the cotton thread segments with tin plated at both ends into the discharging box for discharging, realizing the automation of feeding, wire cutting, tin plating, and discharging, greatly saving manpower, reducing labor costs, improving production efficiency, and ensuring the stable quality of cotton thread processing.

[0025] Based on the above embodiments, the wire pay-off device 1 includes a wire rack 10, a plurality of wire pay-off mechanisms 11 arranged on the wire rack 10, and a wire guiding mechanism 12 arranged on the machine table; the wire pay-off mechanism 11 includes a wire pay-off motor 110 arranged on the wire rack 10 and a wire pay-off wheel 111 drivingly connected to the wire pay-off motor 110; the wire guiding mechanism 12 includes a first vertical plate 120 arranged on the machine table and a wire guiding plate 121 fixedly connected to the top of the first vertical plate 120, and a plurality of wire guiding cylinders 122 are arranged in parallel on the wire guiding plate 121. Specifically, the cotton thread coil is loaded on the wire pay-off wheel 111, the end of the cotton thread coil is pulled out and passed through the wire guiding cylinder 122 and clamped by the first wire clamping and flipping station 4. When the cotton thread is pulled out at the wire pulling station 2, the wire pay-off motor 110 drives the wire pay-off wheel 111 to rotate, and the cotton thread on the cotton thread coil can be released.

[0026] Based on the above embodiments, both the first wire clamping and flipping station 4 and the second wire clamping and flipping station 6 include an X-axis sliding seat 40 slidably connected to the top of the machine table in the X-axis direction, a second vertical plate 41 fixedly connected to the top of the X-axis sliding seat 40, a flipping drive motor 42 arranged on the second vertical plate 41, a disc 43 drivingly connected to the flipping drive motor 42, a first driving cylinder 44 arranged on the disc 43, a first pneumatic gripper 45 drivingly connected to the first driving cylinder 44, and an X-axis adjusting screw 46 rotatably connected to the top of the machine table. First clamping plates 450 and second clamping plates 451 are respectively installed on the two clamping jaws of the first pneumatic gripper 45. An avoidance groove 452 is arranged on the top of the second clamping plate 451 of the first wire clamping and flipping station 4. A plurality of wire passing holes 453 communicating with the avoidance groove 452 are arranged in parallel through both side surfaces of the first clamping plate 450 of the first wire clamping and flipping station 4. The wire passing holes 453 are arranged corresponding to the wire guiding cylinders 122. An internal thread sleeve 400 threadedly connected to the X-axis adjusting screw 46 is arranged at the bottom of the X-axis sliding seat 40. Specifically, the end of the cotton thread passes through the wire guiding cylinder 122 and then passes through the wire passing holes 453. After the first pneumatic gripper 45 drives the first clamping plate 450 and the second clamping plate 451 to close, one end of the cotton thread can be clamped. By driving the disc 43 to rotate through the flipping drive motor 42, the cotton thread can be flipped. By driving the first pneumatic gripper 45 to move through the first driving cylinder 44, one end of the cotton thread can be extended into the tin bath 50 for tinning operation. By rotating the X-axis adjusting screw 46, the X-axis sliding seat 40 can be driven to move left and right, facilitating the adjustment of the X-axis orientation of the first wire clamping and flipping station 4 and the second wire clamping and flipping station 6.

[0027] Based on the above embodiments, the wire pulling station 2 includes a third vertical plate 20 disposed on the top of the machine table, an X-axis linear driving device 21 disposed on the third vertical plate 20, and a second pneumatic gripper 22 drivingly connected to the X-axis linear driving device 21. When pulling the wire, one end of the cotton thread is clamped by the second pneumatic gripper 22, and the second pneumatic gripper 22 is driven by the X-axis linear driving device 21 to move to the right, so that the cotton thread can be pulled out, which is convenient for the wire cutting station 3 to cut the cotton thread to a specified length.

[0028] Based on the above embodiments, both the first tinning station 5 and the second tinning station 7 further include a tin slag scraping mechanism 51. The tin slag scraping mechanism 51 includes an X-axis driving cylinder 510 fixedly connected to the top of the machine table, a flipping driving cylinder 511 drivingly connected to the X-axis driving cylinder 510, and a tin scraping arm assembly. The tin scraping arm assembly includes a rotating seat 512 fixedly connected to the output shaft of the X-axis driving cylinder 510, a connecting arm 513 hinged to the rotating seat 512, and a scraping plate 514 fixedly connected to one end of the connecting arm 513. A U-shaped card slot 515 is provided at the top of the connecting arm 513. A T-shaped joint 516 is connected to the output shaft of the flipping driving cylinder 511, and the T-shaped joint 516 is stuck in the U-shaped card slot 515. A waste residue collection tank 52 is provided on one side of the tin furnace 50. Since the surface of the tin liquid in the tin furnace 50 will oxidize, it is necessary to periodically scrape off the oxidized surface of the tin liquid. When the flipping driving cylinder 511 works, it can drive the connecting arm 513 to swing, so as to adjust the angle of the scraping plate 514 and extend it into the tin furnace 50. By driving the scraping plate 514 to retreat through the X-axis driving cylinder 510, the tin slag on the upper layer of the tin furnace 50 can be scraped out into the waste residue collection tank 52.

[0029] Based on the above embodiments, the wire cutting station 3 includes a fourth vertical plate 30 disposed on the top of the machine table, a Y-axis driving cylinder 31 disposed on the top of the fourth vertical plate 30, and a pneumatic scissors 32 drivingly connected to the Y-axis driving cylinder 31. When the wire pulling station 2 pulls the cotton thread to a specified length, the pneumatic scissors 32 are driven by the Y-axis driving cylinder 31 to move forward, so that the pneumatic scissors 32 can cut the cotton thread.

[0030] Based on the above embodiments, the material taking and flipping station 8 includes a fifth vertical plate 80 disposed on the top of the machine table, a rotating cylinder 81 disposed on the fifth vertical plate 80, a second driving cylinder 82 drivingly connected to the rotating cylinder 81, and a third pneumatic gripper 83 drivingly connected to the second driving cylinder 82. After both ends of the cotton thread are tinned, the third pneumatic gripper 83 is driven by the second driving cylinder 82 to move forward, so that the third pneumatic gripper 83 can pick up the cotton thread from the second wire clamping and flipping station 6. By driving the third pneumatic gripper 83 to swing through the rotating cylinder 81, the cotton thread can be flipped to the unloading station for unloading.

[0031] The above embodiments are only descriptions of the preferred embodiments of the present utility model, and do not limit the scope of the present utility model. Without departing from the design spirit of the present utility model, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present utility model shall fall within the protection scope determined by the claims of the present utility model.

Claims

1. A cotton wire tinning machine for voice coils, characterized in that: It comprises a wire-releasing device and a machine platform, wherein the machine platform is provided with a wire-drawing station, a wire-cutting station, a first wire-clamping and turning station, a first tinning station, a second wire-clamping and turning station, a second tinning station, and a material-taking and turning station; the wire-releasing device is used for loading cotton thread rolls and simultaneously supplying a plurality of cotton threads to the first wire-clamping and turning station; the wire-drawing station is used for simultaneously pulling a plurality of cotton threads to a required length; the wire-cutting station is used for simultaneously cutting a plurality of cotton threads; the first tinning station and the second tinning station both comprise a tin furnace; the first wire-clamping and turning station is used for simultaneously clamping the thread ends of a plurality of cotton thread rolls and turning the thread ends onto the tin furnace of the first tinning station for tinning operation; the second wire-clamping and turning station is used for simultaneously clamping one end of a plurality of cotton threads and turning one end of the cotton threads onto the tin furnace of the second tinning station for tinning operation; the material-taking and turning station is used for clamping the cotton threads on the second wire-clamping and turning station and driving the cotton threads to turn over to the next station for unloading.

2. A cotton wire tinning machine for voice coils according to claim 1, characterized in that: The wire-releasing device includes a wire rack, a plurality of wire-releasing mechanisms arranged on the wire rack, and a wire guide mechanism arranged on the machine platform; the wire-releasing mechanism includes a wire-releasing motor arranged on the wire rack, and a wire-releasing wheel drivingly connected to the wire-releasing motor; the wire guide mechanism includes a first vertical plate arranged on the machine platform, and a wire guide plate fixedly connected to the top of the first vertical plate, and a plurality of wire tubes are arranged in parallel on the wire guide plate.

3. A cotton wire tinning machine for voice coils according to claim 2, characterized in that: The first wire clamping and flipping station and the second wire clamping and flipping station both include an X-axis slide seat slidably connected to the top of the machine platform along the X-axis direction, a second vertical plate fixedly connected to the top of the X-axis slide seat, a flipping drive motor arranged on the second vertical plate, a disc driven and connected to the flipping drive motor, a first driving cylinder arranged on the disc, a first pneumatic clamping jaw driven and connected to the first driving cylinder, and an X-axis adjusting screw rotatably connected to the top of the machine platform, a first clamping plate and a second clamping plate are respectively installed on the two clamping jaws of the first pneumatic clamping jaw, an air avoidance groove is arranged on the top of the second clamping plate of the first wire clamping and flipping station, and a plurality of threading holes connected to the air avoidance groove are arranged in parallel on both side surfaces of the first clamping plate of the first wire clamping and flipping station, and the threading holes are arranged corresponding to the wire tube, and an internal threaded sleeve threadedly connected to the X-axis adjusting screw is arranged at the bottom of the X-axis slide seat.

4. A cotton wire tinning machine for voice coils according to claim 3, characterized in that: The wire drawing station includes a third vertical plate arranged on the top of the machine platform, an X-axis linear drive device arranged on the third vertical plate, and a second pneumatic clamp drivingly connected to the X-axis linear drive device.

5. The cotton wire tinning machine for voice coil according to claim 4, characterized in that: The first tinning station and the second tinning station both further include a tin scraping mechanism, which includes an X-axis driving cylinder fixedly connected to the top of the machine, a flip driving cylinder drivingly connected to the X-axis driving cylinder, and a tin scraping arm assembly, the tin scraping arm assembly includes a rotating seat fixedly connected to the output shaft of the X-axis driving cylinder, a connecting arm hinged on the rotating seat, and a scraper fixedly connected to one end of the connecting arm, a U-shaped slot is provided on the top of the connecting arm, a T-shaped joint is connected to the output shaft of the flip driving cylinder, and the T-shaped joint is clamped on the U-shaped slot, and a waste slag collecting tank is provided on one side of the tin furnace.

6. A cotton wire tinning machine for voice coils according to claim 5, characterized in that: The thread trimming station includes a fourth vertical plate arranged on the top of the machine platform, a Y-axial driving cylinder arranged on the top of the fourth vertical plate, and a pneumatic scissors drivingly connected to the Y-axial driving cylinder.

7. A cotton wire tinning machine for voice coils according to claim 6, characterized in that: The material picking and turning station includes a fifth vertical plate arranged on the top of the machine platform, a rotating cylinder arranged on the fifth vertical plate, a second driving cylinder drivingly connected to the rotating cylinder, and a third pneumatic clamp drivingly connected to the second driving cylinder.

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