Fixed-length cutting equipment for sound coil
By designing a fixed-length cutting device for audio coils, and utilizing cylinder drive and anti-deformation device to achieve fixed-length cutting, the problem of uneven cutting caused by human error is solved, realizing automated fixed-length cutting and protection of audio coils, and reducing the risk of coil damage.
Patent Information
- Application Number
- CN202511379256.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing audio coil cutting equipment cannot achieve fixed-length cutting of the same batch of audio coils due to human error.
A fixed-length cutting device for audio coils was designed. The device uses a first cylinder to drive a coil pushing device, combined with a fixer, an anti-disengagement device, an anti-deformation device, and a cutter, to achieve fixed-length cutting and protection of the coil. The cut coils are automatically collected by a sliding channel.
It enables fixed-length cutting of audio coils, reduces human error, protects the coil surface from scratches, reduces the risk of coil deformation, and achieves automated coil collection.
Smart Images

Figure CN120901191A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of sound coil processing, in particular to a sound coil fixed-length cutting device. BACKGROUND
[0002] Sound can convert electrical signals into sound wave vibration, and then amplify and transmit the sound wave vibration through the loudspeaker to the air. In the sound, the sound coil is the core component of the loudspeaker in the sound system, which can convert electrical signals into mechanical vibration to produce sound and transmit it to the human ear through the air. However, due to the diversification of sound device models, the length of sound coils required by different signals is also different. In order to mass-produce sound coils suitable for the same type of sound device, sound coil cutting devices appear on the market.
[0003] The sound coil cutting device on the market can adjust the length of the sound coil required by human beings. Due to the influence of manual error, the sound coil cutting device cannot achieve fixed-length cutting of the same batch of sound coils. SUMMARY
[0004] To solve the above technical problems, the present application is realized by the following technical scheme: a sound coil fixed-length cutting device, comprising a device base, a first air cylinder is fixedly installed on the outer surface of the device base through a support, an output end of the first air cylinder is fixedly installed with a coil pushing device, the coil pushing device penetrates through the device base and extends into the top groove thereof, a pre-cleaning device and a coil collecting device are fixedly installed at the bottom of the top groove of the device base, a cutting device is fixedly installed between the pre-cleaning device and the coil collecting device, the cutting device is located between the pre-cleaning device and the coil collecting device, a coil collecting groove is formed at the edge of the bottom of the top groove of the device base, a sliding channel is formed at the inner wall of the coil collecting groove, the sliding channel is located below the coil collecting device, and supporting legs are fixedly installed at the four corners of the bottom of the device base. Through the work of the first air cylinder, the worker first fixes and installs the sound coil to be cut on the end of the coil pushing device, then turns on the power of the first air cylinder to make the coil move at a constant speed to the cutting device, and the cutting device cuts it, so as to achieve the purpose of fixed-length cutting.
[0005] Preferably, the coil pushing device comprises a first telescopic rod, one end of the first telescopic rod penetrates through the device base and extends to the other side and is fixedly connected with the output end of the first cylinder, the outer surface of the other end of the first telescopic rod is fixedly installed with a fixator, the other side of the fixator is fixedly installed with a delivery rod, and the end of the delivery rod away from the fixator is fixedly installed with a coil stopper. By setting the fixator, when the first cylinder slowly pushes the first telescopic rod towards the cutting device, the coil to be cut fixed at the end of the coil stopper will also move towards the cutting device at the same speed and uniformly, so that the coil stopper can move cooperatively with the first telescopic rod.
[0006] Preferably, the coil stopper comprises a coil pushing disc, the coil pushing disc is fixedly installed at the end of the delivery rod away from the fixator, the side of the coil pushing disc away from the delivery rod is fixedly installed with an anti-unhooking hook, and the outer surface of the anti-unhooking hook is provided with an anti-unhooking groove. By setting the anti-unhooking hook, when the remaining uncut sound coil at the tail cannot reach the same length as the sound coil in the front batch, the worker can move the coil stopper towards the cutting device by the first cylinder, the anti-unhooking hook will pull back the coil that cannot meet the requirement to the initial installation position, and the worker will replace it with a new batch of sound coils to be cut, so that the cut coils are all equal in length.
[0007] Preferably, the pre-cleaning device comprises a first base, the first base is fixedly installed at the bottom of the groove at the top of the device base, the outer surface of the first base is provided with a first coil channel, and the first coil channel penetrates through the first base and extends to the other side.
[0008] Preferably, the outer surface of the first base is also provided with a delivery channel, the first coil channel and the delivery channel are arranged at adjacent sides of the first base, the delivery channel penetrates through the first base and extends to the inner cavity of the first coil channel, the inner wall of the first coil channel is fixedly installed with a first segmented gasket, the outer surface of the first base away from the coil pushing device is fixedly installed with a surface cleaner, and the surface cleaner is located at the output end of the first coil channel. By setting the first segmented gasket, when the sound coil to be cut enters the first coil channel, it will not directly contact the inner wall of the channel, but will contact the first segmented gasket, so that the cut coil will not be scratched by the inner wall of the device during pushing and affect the use.
[0009] Preferably, the cutting device comprises a first fixed rod fixedly installed between the inner walls of the groove on the top of the device base, a second fixed rod and a deformation prevention device fixedly installed between the device base, the deformation prevention device located between the second fixed rod, a second cylinder fixedly installed on the top of the second fixed rod through a support, and a cutter fixedly installed on the output end of the second cylinder. By arranging the deformation prevention device, when the to-be-cut sound coil reaches below the second cylinder and the cutter cuts it, the deformation prevention device limits the vertical deformation of the coil caused by the cutting force, thereby preventing the deformation of the coil during the cutting process from affecting the subsequent use.
[0010] Preferably, the deformation prevention device comprises a deformation prevention channel fixedly installed between the first fixed rod, a cutting channel opened on the outer surface of the deformation prevention channel, the cutting channel penetrating through the deformation prevention channel and extending to the inner cavity of the deformation prevention channel, and a second segmented gasket fixedly installed on the inner wall of the cavity of the deformation prevention channel. By arranging the second segmented gasket, when the sound coil enters the deformation prevention device, the second segmented gasket separates the coil from the inner wall of the device and does not wrap the coil completely, thereby not only protecting the surface of the coil from being scratched but also reducing the resistance of the coil movement.
[0011] Preferably, the cutter comprises a second telescopic rod, the top end of the second telescopic rod is fixedly connected with the output end of the second cylinder, a fixed plate is fixedly installed on the bottom end of the second telescopic rod, a cutter fixing block is fixedly installed on the bottom of the fixed plate, and a circular cutter head is fixedly installed on the bottom of the cutter fixing block. By the operation of the second cylinder, the circular cutter head cuts downward at a constant speed, the circular end of the circular cutter head preferentially contacts the top of the coil, then the two sides of the cutter head cut the two sides of the coil, and the circular end starts cutting the lowermost part of the coil, thereby reducing the time consumed for cutting the coil.
[0012] Preferably, the coil collecting device comprises a second base fixedly installed on the bottom of the groove on the top of the device base, a second coil channel opened on the top of the second base, a collecting channel opened on the edge of the second coil channel, the collecting channel penetrating through the second base and extending into the sliding channel, and a limiting plate fixedly installed on the edge of the top of the second base. By arranging the second coil channel and the collecting channel, when the cut coil falls into the second coil channel, it falls into the collecting channel under the action of gravity, then falls into the coil collecting groove through the sliding channel through the collecting channel, thereby realizing the automatic collection of the cut coil without manual operation.
[0013] The present application provides an audio coil length cutting device. The present application has the following advantages: (I) The sound coil length cutting equipment, through the first cylinder, the worker first fixed installation of the cutting coil on the end of the coil push device, then open the first cylinder power, the coil moves to the cutting device at a constant speed, the cutting device cuts it, so as to achieve the purpose of length cutting.
[0014] (II) The sound coil length cutting equipment, by setting the fixator, when the first cylinder slowly pushes the first telescopic rod to the cutting device, the coil to be cut fixed on the end of the coil limiter will also move to the cutting device at the same speed, so that the coil limiter can move with the first telescopic rod.
[0015] (III) The sound coil length cutting equipment, by setting the anti-unhooking device, when the tail part of the sound coil cannot reach the same length as the previous batch of sound coils, the worker can move the coil limiter to the cutting device by the first cylinder, the anti-unhooking device will pull the coil that cannot meet the requirements back to the initial installation position, the worker will replace it with a new batch of sound coils to be cut, so that the cut coils are all equal in length.
[0016] (IV) The sound coil length cutting equipment, by setting the first segmented gasket, when the sound coil to be cut enters the first coil channel, it will not directly contact the inner wall of the channel, but will contact the first segmented gasket, so that the cut coil will not be scratched by the inner wall of the device during the pushing process.
[0017] (V) The sound coil length cutting equipment, by setting the anti-deformation device, when the sound coil to be cut reaches the bottom of the second cylinder, the cutter cuts it, the anti-deformation device limits the vertical deformation of the coil caused by the cutting force, so that the deformation of the coil during cutting can be prevented, affecting subsequent use.
[0018] (VI) The sound coil length cutting equipment, by setting the second segmented gasket, when the sound coil enters the anti-deformation device, it separates the coil from the inner wall of the device and does not completely wrap the coil, so it not only protects the surface of the coil from being scratched, but also reduces the resistance of the coil moving.
[0019] (VII) The sound coil length cutting equipment, by the second cylinder, the circular cutter head cuts down at a constant speed, the circular end of the circular cutter head first contacts the top of the coil, then the two sides of the cutter head cut the two sides of the coil, and the circular end just starts to cut the lowermost part of the coil, so the time spent in cutting the coil can be reduced.
[0020] Eight, the sound coil fixed-length cutting equipment, through the setting of the second coil channel and the collection channel, when the cut coil falls into the second coil channel, it falls into the collection channel under the gravity, and then falls into the coil collection groove through the collection channel through the sliding channel, so that the cut coil can be collected without manual operation. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structure schematic diagram of the whole of the sound coil fixed-length cutting equipment of the application; Figure 2 It is a structure schematic diagram of the whole side of the application; Figure 3 It is a structure sectional view schematic diagram of the device base of the application; Figure 4 It is a structure schematic diagram of the coil pushing device of the application; Figure 5 It is a structure schematic diagram of the coil stopper of the application; Figure 6 It is a structure schematic diagram of the pre-cleaning device of the application; Figure 7 It is a structure schematic diagram of the cutting device of the application; Figure 8 It is a structure schematic diagram of the anti-deformation device of the application; Figure 9 It is a structure schematic diagram of the cutter of the application; Figure 10 It is a structure schematic diagram of the coil collection device of the application.
[0022] In the figure: 1, device base; 2, first cylinder; 3, coil pushing device; 31, first telescopic rod; 32, fixator; 33, delivery rod; 34, coil stopper; 341, coil pushing disc; 342, anti-off hook; 343, anti-off groove; 4, pre-cleaning device; 41, first base; 42, first coil channel; 43, delivery channel; 44, first segmented gasket; 45, surface cleaner; 5, cutting device; 51, first fixed rod; 52, second fixed rod; 53, anti-deformation device; 531, anti-deformation channel; 532, cutting channel; 533, second segmented gasket; 54, second cylinder; 55, cutter; 551, second telescopic rod; 552, fixed plate; 553, cutter fixed block; 554, circular cutter head; 6, coil collection device; 61, second base; 62, second coil channel; 63, collection channel; 64, limit plate; 7, coil collection groove; 8, supporting leg; 9, sliding channel. 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 a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0024] Please refer to Figures 1-5 The present application provides a technical solution: including device base 1, the outer surface of the device base 1 is fixedly installed with first cylinder 2 through support, the output end of the first cylinder 2 is fixedly installed with coil pushing device 3, the coil pushing device 3 is used to push the coil to be cut to realize movement, the coil pushing device 3 penetrates through the device base 1 and extends to the top groove, the bottom of the top groove of the device base 1 is fixedly installed with pre-cleaning device 4 and coil collecting device 6, the pre-cleaning device 4 is used to pre-clean the outer surface of the sound coil and ensure that the coil does not deform in the movement process, the coil collecting device 6 is used to collect the sound coil after cutting, the inner wall between the top groove of the device base 1 is fixedly installed with cutting device 5, the cutting device 5 is located between the pre-cleaning device 4 and the coil collecting device 6, the edge of the bottom of the top groove of the device base 1 is provided with coil collecting groove 7, the coil collecting groove 7 is used to collect the sound coil after cutting, the inner wall of the coil collecting groove 7 is provided with sliding channel 9, the sliding channel 9 is located below the coil collecting device 6, the four corners of the bottom of the device base 1 are fixedly installed with supporting leg 8. Through the work of the first cylinder 2, the worker first fixes and installs the impression coil to be cut on the end of the coil pushing device 3, then turns on the power of the first cylinder 2 to make the coil move at a constant speed to the cutting device 5, and the cutting device 5 cuts it, so as to achieve the purpose of fixed-length cutting.
[0025] The coil pushing device 3 includes first telescopic rod 31, one end of the first telescopic rod 31 penetrates through the device base 1 and extends to the other side and is fixedly connected with the output end of the first cylinder 2, the outer surface of the other end of the first telescopic rod 31 is fixedly installed with fixator 32, the other side of the fixator 32 is fixedly installed with delivery rod 33, one end of the delivery rod 33 away from the fixator 32 is fixedly installed with coil stopper 34, the coil stopper 34 is used to prevent the coil to be cut from the end of the coil pushing device 3 in the process of pushing and extracting. By setting the fixator 32, when the first cylinder 2 slowly pushes the first telescopic rod 31 to the cutting device 5, the coil to be cut fixed on the end of the coil stopper 34 will also move to the cutting device 5 at the same speed and uniformly, so that the coil stopper 34 can move with the first telescopic rod 31.
[0026] The coil limiter 34 includes a coil pushing disc 341 fixedly installed at the end of the delivery rod 33 away from the holder 32, and a anti-off hook 342 fixedly installed at the side of the coil pushing disc 341 away from the delivery rod 33, the anti-off hook 342 is elastic, and the outer surface of the anti-off hook 342 is provided with an anti-off groove 343 for fixing the acoustic coil. When the tail part of the acoustic coil cannot reach the same length as the acoustic coil in the same batch, the coil limiter 34 can be moved towards the cutting device 5 by the first cylinder 2, and the anti-off hook 342 can pull the coil back to the initial installation position, so that the acoustic coil can be replaced with a new one.
[0027] Please refer to Figure 6 The pre-cleaning device 4 includes a first base 41 fixedly installed at the bottom of the groove at the top of the device base 1, and the outer surface of the first base 41 is provided with a first coil channel 42 penetrating through the first base 41 and extending to the other side.
[0028] The outer surface of the first base 41 is also provided with a delivery channel 43, and the first coil channel 42 and the delivery channel 43 are arranged on the adjacent sides of the first base 41, the delivery channel 43 penetrates through the first base 41 and extends to the inner cavity of the first coil channel 42, and the inner wall of the first coil channel 42 is fixedly installed with a first segmented gasket 44, and there is a gap between the first segmented gasket 44, the outer surface of the first base 41 is fixedly installed with a surface cleaner 45 away from the coil pushing device 3, and the surface cleaner 45 is located at the output end of the first coil channel 42. When the acoustic coil to be cut enters the first coil channel 42, it will not directly contact the inner wall of the channel, but will contact the first segmented gasket 44, so that the cut coil will not be scratched by the inner wall of the device during pushing.
[0029] Please refer to Figures 7-9The application provides a technical scheme that the cutting device 5 comprises a first fixed rod 51, the first fixed rod 51 is fixedly installed between the inner walls of the groove on the top of the device base 1, the second fixed rod 52 and the anti-deformation device 53 are fixedly installed between the device base 1, the anti-deformation device 53 is located between the second fixed rod 52, the top of the second fixed rod 52 is fixedly installed with the second air cylinder 54 through the support, and the output end of the second air cylinder 54 is fixedly installed with the cutter 55. When the sound coil to be cut reaches below the second air cylinder 54 and the cutter 55 cuts it, the anti-deformation device 53 can limit the vertical deformation of the coil due to the cutting force, so that the deformation of the coil during the cutting process can be prevented, and the subsequent use is affected.
[0030] The anti-deformation device 53 comprises an anti-deformation channel 531, the anti-deformation channel 531 is fixedly installed between the first fixed rod 51, the outer surface of the anti-deformation channel 531 is provided with a cutting channel 532, the cutting channel 532 penetrates the anti-deformation channel 531 and extends to the inner cavity thereof, and the second segmented gasket 533 is fixedly installed at the inner wall of the cavity of the anti-deformation channel 531. When the sound coil enters the anti-deformation device 53, the second segmented gasket 533 can separate the coil from the inner wall of the device and not wrap the coil completely, so that the surface of the coil is not scratched and the resistance of the coil movement is reduced.
[0031] The cutter 55 comprises a second telescopic rod 551, the top end of the second telescopic rod 551 is fixedly connected with the output end of the second air cylinder 54, the bottom end of the second telescopic rod 551 is fixedly installed with a fixed plate 552, the fixed plate 552 is used for connecting the second telescopic rod 551 and a cutter fixing block 553, the bottom of the fixed plate 552 is fixedly installed with the cutter fixing block 553, the cutter fixing block 553 is used for fixing a circular cutter head 554, the bottom of the cutter fixing block 553 is fixedly installed with the circular cutter head 554, the circular cutter head 554 is located directly above the cutting channel 532 and is matched with the size of the cutting channel 532. Through the working of the second air cylinder 54, the circular cutter head 554 cuts downward at a constant speed, the circular end of the circular cutter head 554 is in contact with the top of the coil first, then the two sides of the cutter head cut the two sides of the coil, and the circular end just starts to cut the lowermost part of the coil, so that the time consumed for cutting the coil can be reduced.
[0032] Please refer to Figure 10The application provides a technical scheme that the coil collecting device 6 comprises a second base 61 which is fixedly installed at the bottom of the groove on the top of the device base 1, a second coil channel 62 is formed in the top of the second base 61, a collecting channel 63 is formed in the edge of the second coil channel 62, the collecting channel 63 penetrates through the second base 61 and extends into the sliding channel 9, and a limiting plate 64 is fixedly installed at the edge of the top of the second base 61, which is used for preventing the cut sound coil from being drawn out of the coil collecting device 6. By arranging the second coil channel 62 and the collecting channel 63, when the cut coil falls into the second coil channel 62, it falls into the collecting channel 63 under the gravity, and then falls into the coil collecting groove 7 through the collecting channel 63 and the sliding channel 9, so that the cut coil can be collected without manual operation.
[0033] In use, the staff first turns on the power supply of the first cylinder 2, and pulls the output end of the coil pushing device 3 to the opposite direction of the pre-cleaning device 4, then installs one end of the sound coil to be cut on the coil limiter 34, and extends the other end of the sound coil to be cut into the first coil channel 42, then pushes the output end of the first cylinder 2 to the direction of the pre-cleaning device 4, so that the sound coil to be cut moves to the cutting device 5, when it enters the anti-deformation device 53, the staff turns on the power supply of the second cylinder 54, and cuts the sound coil by the circular cutter head 554, the cut coil falls into the second coil channel 62, and then falls into the collecting channel 63 under the gravity, and then falls into the coil collecting groove 7 through the collecting channel 63 and the sliding channel 9, the first cylinder 2 and the second cylinder 54 repeat the above process until the sound coil to be cut is cut to be shorter than the cut sound coil, then changes the moving direction of the first cylinder 2 so that the last sound coil to be cut is drawn out of the entrance of the first coil channel 42 by the anti-unhooking device 342, then the staff removes the sound coil waste, turns off the power supply of the first cylinder 2 and the second cylinder 54 when the coil pushing device 3 and the cutter 55 return to the original state, and takes out the cut sound coil from the coil collecting groove 7 and collects and stores it, and the work is completed.
[0034] The fixed-length cutting part works by the first cylinder 2, the staff first fixes and installs the sound coil to be cut on the end of the coil pushing device 3, then turns on the power supply of the first cylinder 2 to move the coil to the cutting device 5 at a constant speed, and the cutting device 5 cuts it, so that the fixed-length cutting is achieved.
[0035] The coil to be cut guiding part is fixed by the fixing device 32, when the first cylinder 2 pushes the first telescopic rod 31 to the cutting device 5, the coil to be cut fixed on the end of the coil stopper 34 will move to the cutting device 5 at the same speed with the first telescopic rod 31, so that the coil stopper 34 can move with the first telescopic rod 31, when the remaining uncut sound coil at the tail cannot reach the same length as the sound coil in the same batch, the staff can move the coil stopper 34 to the cutting device 5 by the first cylinder 2, the anti-unhooking device 342 will pull the coil that cannot meet the requirements back to the initial installation position, and the staff will replace it with a new batch of sound coils to be cut, so that the cut coils are all equal in length.
[0036] The anti-deformation part is provided with the anti-deformation device 53, when the sound coil to be cut reaches the second cylinder 54, the cutter 55 cuts it, the anti-deformation device 53 can limit the vertical deformation of the coil caused by the cutting force, so as to prevent the coil from being deformed during the cutting process and affecting the subsequent use, and the second segmented gasket 533 is arranged, when the sound coil enters the anti-deformation device 53, the coil is separated from the inner wall of the device and is not completely wrapped around the coil, so as to not only protect the surface of the coil from being scratched, but also reduce the resistance of the coil moving.
[0037] The coil collecting part is provided with the second coil channel 62 and the collecting channel 63, when the cut coil falls into the second coil channel 62, it falls into the collecting channel 63 under the action of gravity, and then falls into the coil collecting groove 7 through the collecting channel 63 and the sliding channel 9, so as to realize the automatic collection of the cut coil.
[0038] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.
[0039] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.
Claims
1. A sound coil length-cutting apparatus comprising a device base (1), characterized in that: The outer surface of the device base (1) is fixedly installed with a first cylinder (2) through a support, the output end of the first cylinder (2) is fixedly installed with a coil pushing device (3), the coil pushing device (3) penetrates through the device base (1) and extends into the top groove thereof, the bottom of the top groove of the device base (1) is fixedly installed with a pre-cleaning device (4) and a coil collecting device (6), the inner wall of the top groove of the device base (1) is fixedly installed with a cutting device (5), the cutting device (5) is located between the pre-cleaning device (4) and the coil collecting device (6), a coil collecting groove (7) is formed at the edge of the bottom of the top groove of the device base (1), a sliding channel (9) is formed at the inner wall of the coil collecting groove (7), the sliding channel (9) is located below the coil collecting device (6), and supporting legs (8) are fixedly installed at the four corners of the bottom of the device base (1).
2. A voice coil length cutting apparatus according to claim 1, wherein: The coil pushing device (3) comprises a first telescopic rod (31), one end of the first telescopic rod (31) penetrates through the device base (1) and extends to the other side thereof and is fixedly connected with the output end of the first cylinder (2), and the outer surface of the other end of the first telescopic rod (31) is fixedly installed with a fixer (32), the other side of the fixer (32) is fixedly installed with a delivery rod (33), and one end of the delivery rod (33) away from the fixer (32) is fixedly installed with a coil stopper (34).
3. A voice coil length cutting apparatus according to claim 2, wherein: The coil stopper (34) comprises a coil pushing disc (341), the coil pushing disc (341) is fixedly installed at one end of the delivery rod (33) away from the fixer (32), one side of the coil pushing disc (341) away from the delivery rod (33) is fixedly installed with an anti-dropping hook (342), and the outer surface of the anti-dropping hook (342) is formed with an anti-dropping groove (343).
4. A voice coil length cutting apparatus according to claim 1, wherein: The pre-cleaning device (4) comprises a first base (41), the first base (41) is fixedly installed at the bottom of the top groove of the device base (1), the outer surface of the first base (41) is formed with a first coil channel (42), and the first coil channel (42) penetrates through the first base (41) and extends to the other side thereof.
5. A voice coil length cutting apparatus according to claim 4, wherein: The outer surface of the first base (41) is also formed with a delivery channel (43), the first coil channel (42) and the delivery channel (43) are arranged on the adjacent sides of the first base (41), the delivery channel (43) penetrates through the first base (41) and extends to the inner cavity of the first coil channel (42), the inner wall of the first coil channel (42) is fixedly installed with a first segmented gasket (44), one side of the outer surface of the first base (41) away from the coil pushing device (3) is fixedly installed with a surface cleaner (45), and the surface cleaner (45) is located at the output end of the first coil channel (42).
6. A voice coil length cutting apparatus according to claim 1, wherein: The cutting device (5) comprises a first fixed rod (51) fixedly installed between the inner walls of the groove on the top of the device base (1), a second fixed rod (52) and a deformation prevention device (53) fixedly installed between the device base (1), the deformation prevention device (53) located between the second fixed rod (52), the top of the second fixed rod (52) fixedly installed with a second cylinder (54) through a support, and the output end of the second cylinder (54) fixedly installed with a cutter (55).
7. A voice coil length cutting apparatus according to claim 6, wherein: The deformation prevention device (53) comprises a deformation prevention channel (531) fixedly installed between the first fixed rod (51), a cutting channel (532) is formed in the outer surface of the deformation prevention channel (531), the cutting channel (532) penetrates through the deformation prevention channel (531) and extends to the inner cavity thereof, and the inner wall of the cavity of the deformation prevention channel (531) is fixedly installed with a second segmented gasket (533).
8. A voice coil length cutting apparatus according to claim 7, wherein: The cutter (55) comprises a second telescopic rod (551), the top end of the second telescopic rod (551) is fixedly connected with the output end of the second cylinder (54), the bottom end of the second telescopic rod (551) is fixedly installed with a fixed plate (552), the bottom of the fixed plate (552) is fixedly installed with a tool fixing block (553), and the bottom of the tool fixing block (553) is fixedly installed with a circular tool bit (554).
9. A voice coil length cutting apparatus according to claim 1, wherein: The coil collecting device (6) comprises a second base (61) fixedly installed at the bottom of the groove on the top of the device base (1), a second coil channel (62) is formed in the top of the second base (61), a collecting channel (63) is formed in the edge of the second coil channel (62), the collecting channel (63) penetrates through the second base (61) and extends into the sliding channel (9), and a limiting plate (64) is fixedly installed at the edge of the top of the second base (61).