A multi-purpose winding point integrated device

Abstract

The present invention relates to a multi-purpose integrated point winding device, comprising: an equipment bracket, a paint stripping mechanism is installed on the right side of the top front end of the equipment bracket, the paint stripping mechanism is used to strip the paint of the copper wire, a winding mechanism is installed on the left side of the top of the equipment bracket, the winding mechanism is used to wind the stripped copper wire into a coil, and a lead frame reel, a spot welding frame, a transmission unit, a press sheet block, a pin cutting structure and a sheet cutting structure are installed in sequence from left to right at the top rear end of the equipment bracket, the spot welding frame is used to spot weld the coil on the lead frame at a determined position, the transmission unit is used to transfer the lead frame with the coil welded on the spot welding frame to the press sheet block, and the press sheet block is used to determine the feed position of the lead frame. The beneficial effects of the present invention are: integrating coil winding and spot welding into one, a lead frame combination with coils welded in consistent specifications can be obtained, working time is reduced, manpower loss is reduced, and work efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of coil preparation, and in particular to a multi-purpose integrated winding device. Background Art

[0002] In the inductor structure, the inductor coil plays the role of current blocking, tuning and frequency selection. When other conditions do not change, the structure of the coil has a significant impact on the physical properties of the inductor such as resistance, inductance and saturation value. There are many conditions that affect the coil structure, including: the thickness of the wire diameter, the diameter length of the inner circle of the coil, the number of layers and turns of the winding coil, etc.

[0003] With the changes in different parameters, different styles of coil winding have become an indispensable part of the inductor R&D process. In the demand for a large number of coils of different specifications, the ability to produce coils of different specifications in a timely and efficient manner to meet the R&D and production needs has affected the efficiency of inductor verification and production. After the copper wire is wound into a coil, the coil needs to be spot welded on the lead frame, and the wound coil needs to be removed and then assembled on the welding equipment for spot welding, which results in the need for coil preparation to be processed between multiple devices, wasting a lot of processing time and reducing production efficiency. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a multi-purpose spot-winding device, which integrates coil winding and spot welding, and can obtain a wire rack combination with coils welded thereon of consistent specifications, thereby reducing working time, alleviating manpower loss, and improving work efficiency.

[0005] The present invention provides the following technical scheme: a multi-purpose integrated point winding device, comprising: an equipment bracket, a paint stripping mechanism is installed on the right side of the top front end of the equipment bracket, the paint stripping mechanism is used to strip the paint of the copper wire, a winding mechanism is installed on the left side of the top of the equipment bracket, the winding mechanism is used to wind the stripped copper wire into a coil, a lead frame reel, a spot welding frame, a transmission unit, a pressing sheet block, a pin cutting structure and a sheet cutting structure are installed in sequence from left to right on the top rear end of the equipment bracket, the spot welding frame is used to spot weld the coil on the lead frame at a determined position, the transmission unit is used to transfer the lead frame with the coil welded on the spot welding frame to the pressing sheet block, the pressing sheet block is used to determine the feed position of the lead frame, the pin cutting structure is used to cut off the excess pins of the coil on the lead frame, the sheet cutting structure is used to cut the lead frame into a group of several coils as required, and a moving mechanism is installed between the winding mechanism and the spot welding frame, and the moving mechanism is used to transport the coil wound on the winding mechanism to the spot welding frame.

[0006] Preferably, the transmission unit comprises a spot welding sheet pulling structure, a sheet conducting structure and a sheet cutting die sheet pulling mechanism which are sequentially arranged along the spot welding frame toward the sheet pressing block.

[0007] Preferably, the paint stripping mechanism includes a paint stripping machine sliding guide rail fixedly mounted on the top of the equipment bracket, a paint stripping machine switching plate is slidably mounted on the paint stripping machine sliding guide rail, a mounting seat sliding guide rail is arranged at right angles to the moving direction of the paint stripping machine sliding guide rail, a mounting seat is slidably mounted on the mounting seat sliding guide rail, and a plurality of paint stripping machines of different models are fixedly mounted on the top of the mounting seat.

[0008] Preferably, a first locking screw used in conjunction with a sliding guide rail of the paint stripping machine is connected to the paint stripping machine switching plate, and a second locking screw used in conjunction with a sliding guide rail of the mounting seat is connected to the mounting seat.

[0009] Preferably, the winding mechanism includes a wire crimping rack fixedly installed at the bottom of the equipment bracket near the paint stripping mechanism, and a plurality of wire passing nozzles compatible with the paint stripping machine are arranged on the side of the wire crimping rack away from the paint stripping mechanism. A winding cutting knife is installed corresponding to the wire passing nozzle on the wire crimping rack. The winding mechanism also includes a winding spindle driven by a servo motor, and a height adjustment member is installed between the winding spindle and the wire crimping rack. The height adjustment member is used to longitudinally adjust the height of the winding spindle. An installation sleeve is fixedly connected to the bottom of the winding spindle, and a winding center column is detachably installed at the bottom of the installation sleeve. The winding mechanism also includes a plurality of winding shaping knives fixedly installed on the equipment bracket, and the winding shaping knives are used in conjunction with the winding center column.

[0010] Preferably, a mounting groove is provided at the bottom of the mounting sleeve, a mounting portion that can be inserted into the mounting groove is provided at the top of the winding center column, and a convenient clamping structure for fixing the winding center column mounting portion is provided inside the mounting sleeve.

[0011] Preferably, the convenient snap-in structure includes a movable plate arranged around the interior of the installation sleeve, and snap-in blocks are fixedly connected to the inner side of the bottom end of the movable plate. A through hole is provided between the installation groove and the interior of the installation sleeve for the snap-in block to pass through. Slots corresponding to the positions of the snap-in blocks are provided around the installation part of the winding center column, and the snap-in blocks are inserted into the slots through the through holes.

[0012] Preferably, the convenient snap-on structure also includes a ladder block arranged inside the mounting sleeve and located between the top ends of the four movable plates, a matching block is fixedly connected to the inner side of the top end of the movable plate, the width of the ladder block gradually decreases from top to bottom, and one side of the matching block is provided with an inclined surface that cooperates with the ladder block to slide, a first return spring is fixedly connected between the bottom of the ladder block and the bottom end of the inner wall of the mounting sleeve, and a plurality of second return springs are fixedly connected between each movable plate and the inner wall of the mounting sleeve.

[0013] Preferably, long through slots are longitudinally opened on both sides of the mounting sleeve at the ladder block, and a toggle rod is fixedly connected to both sides of the ladder block, and one end of the toggle rod passes through the long through slot and extends outward.

[0014] Preferably, the mobile mechanism is fixedly mounted on a coil receiving rail on the top of the equipment bracket, the coil receiving rail is arranged along the winding mechanism toward the spot welding frame, a coil receiving platform frame is slidably mounted on the coil receiving rail, and the coil receiving platform frame is used to receive and place the wound coil.

[0015] The beneficial effects of the present invention are:

[0016] 1. The present invention uses a paint stripping mechanism to transport the copper wire into a winding mechanism after paint stripping, and the stripped copper wire is wound into a coil by the winding mechanism. The wound coil is transported to the spot welding frame by a moving mechanism, and the wire frame reel also transports the wire frame to the spot welding frame. The welding rod on the spot welding frame spot welds the coil on the wire frame at a determined position, and then the wire frame welded with the coil is transported to the cutting die part through a transmission unit, and the wire frame feeding position is determined by a pressing sheet block, and the redundant pins of the coil on the wire frame are cut off by a pin cutting structure, and then the wire frame is cut into a group of several coils as required by the sheet cutting structure, so that the coil preparation is fully automatic, and the coil winding and spot welding are integrated, so that a wire frame combination with coils welded with consistent specifications can be obtained, which reduces working time, reduces manpower loss, and improves work efficiency;

[0017] 2. The present invention can be switched through the paint stripping machine in the paint stripping mechanism, which is suitable for winding and preparing copper wires of different shapes. The installation sleeve is arranged to facilitate the rapid disassembly and assembly of the winding center column and the installation sleeve, so as to replace the winding center column of different specifications to achieve the effect of modifying the shape of the coil. Copper wires of different shapes can be wound into coils of different sizes and shapes, and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the multi-purpose point-winding integrated device;

[0019] Figure 2 It is a schematic diagram of the overall top view of the multi-purpose point-wrap integrated device;

[0020] Figure 3 It is a schematic diagram of the paint stripping mechanism structure of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the winding mechanism of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the installation sleeve of the present invention;

[0023] In the figure: 1. Equipment support; 2. Paint stripping mechanism; 201. Paint stripping machine sliding guide rail; 202. Paint stripping machine switching plate; 203. Mounting seat; 204. Mounting seat sliding guide rail; 205. Paint stripping machine; 3. Winding mechanism; 301. Wire pressing rack; 302. Wire passing nozzle; 303. Winding cutting knife; 304. Height adjustment member; 305. Winding spindle; 306. Mounting sleeve; 3061. Ladder block; 3062. First return spring; 3063. Mounting slot; 3064. Moving plate ; 3065, matching block; 3066, clamping block; 3067, second reset spring; 3068, toggle rod; 307, winding center column; 3071, clamping slot; 308, winding shaping knife; 4, moving mechanism; 401, coil connecting guide rail; 402, coil connecting platform frame; 5, wire rack reel; 6, spot welding frame; 7, spot welding sheet pulling structure; 8, sheet conducting structure; 9, cutting die sheet pulling mechanism; 10, sheet pressing block; 11, pin cutting structure; 12, sheet cutting structure. DETAILED DESCRIPTION

[0024] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0025] Example

[0026] like Figures 1 to 5As shown, a multi-purpose point winding device comprises: an equipment support 1, a paint stripping mechanism 2 is installed on the right side of the top front end of the equipment support 1, the paint stripping mechanism 2 is used to strip the paint of the copper wire, a winding mechanism 3 is installed on the left side of the top of the equipment support 1, the winding mechanism 3 is used to wind the stripped copper wire into a coil, and a lead frame reel 5, a spot welding frame 6, a transmission unit, a pressing sheet block 10, a pin cutting structure 11 and a sheet cutting structure 12 are installed in sequence from left to right on the top rear end of the equipment support 1, the spot welding frame 6 is used to spot weld the coil on the lead frame at a determined position, the transmission unit is used to transfer the lead frame with the coil welded on the spot welding frame 6 to the pressing sheet block 10, the pressing sheet block 10 is used to determine the feed position of the lead frame, the pin cutting structure 11 is used to cut off the excess pins of the coil on the lead frame, and the sheet cutting structure 12 is used to cut the lead frame into a group of several coils as required, and a moving mechanism 4 is installed between the winding mechanism 3 and the spot welding frame 6. The mechanism 4 is used to transport the coil wound on the winding mechanism 3 to the spot welding frame 6, and the paint stripping mechanism 2 is used to strip the copper wire and transport it into the winding mechanism 3, and the stripped copper wire is wound into a coil by the winding mechanism 3, and the wound coil is transported to the spot welding frame 6 by the moving mechanism 4, and the wire rack reel 5 also transports the wire rack to the spot welding frame 6, and the welding rod on the spot welding frame 6 spot welds the coil on the wire rack at a determined position, and then the wire rack welded with the coil is transported to the cutting die part through the transmission unit, and the wire rack feeding position is determined by the pressing sheet block 10, and the redundant pins of the coil on the wire rack are cut off by the pin cutting structure 11, and then the wire rack is cut into a group of several coils as required by the sheet cutting structure 12, so that the coil preparation is fully automatic, integrating coil winding and spot welding, and a wire rack combination with coils of consistent specifications can be obtained, which reduces working time, reduces manpower loss, and improves work efficiency.

[0027] In this embodiment, if Figure 3As shown, the paint stripping mechanism 2 includes a paint stripper sliding guide rail 201 fixedly mounted on the top of the equipment bracket 1, a paint stripper switching plate 202 is slidably mounted on the paint stripper sliding guide rail 201, a mounting seat sliding guide rail 204 is arranged at the top of the inner top of the paint stripper switching plate 202, and the mounting seat sliding guide rail 204 is perpendicular to the moving direction of the paint stripper sliding guide rail 201. A mounting seat 203 is slidably mounted on the mounting seat sliding guide rail 204, and a plurality of paint strippers 205 of different models are fixedly mounted on the top of the mounting seat 203. A first locking screw used in conjunction with the paint stripper sliding guide rail 201 is connected to the paint stripper switching plate 202, and a second locking screw used in conjunction with the mounting seat sliding guide rail 204 is connected to the mounting seat 203. During processing, a paint stripper 205 corresponding to the shape of the copper wire is selected, and the paint stripper switching plate 20 2 Slide on the paint stripping machine sliding guide rail 201, adjust the position of the paint stripping machine switching plate 202 on the paint stripping machine sliding guide rail 201, after the paint stripping machine switching plate 202 is adjusted in place, lock the paint stripping machine switching plate 202 by the first locking screw, so as to adjust the position of the paint stripping machine 205, slide on the mounting seat sliding guide rail 204 through the mounting seat 203, adjust the position of the mounting seat 203 on the mounting seat sliding guide rail 204, after the mounting seat 203 is adjusted in place, lock the mounting seat 203 by the second locking screw, so as to switch the paint stripping machines 205 of different specifications, manually adjust the paint stripping machine 205 corresponding to the copper wire to the middle position, the copper wire enters the paint stripping part, and after adjusting the length of the paint stripping required for the specific spacing, the copper wire is stripped, which is suitable for winding preparation of copper wires of different shapes.

[0028] In this embodiment, if Figure 4As shown, the winding mechanism 3 includes a wire crimping rack 301 fixedly installed at the bottom of the equipment bracket 1 near the paint stripping mechanism 2, and a plurality of wire passing nozzles 302 compatible with the paint stripping machine 205 are arranged on the side of the wire crimping rack 301 away from the paint stripping mechanism 2, and a winding cutting knife 303 is correspondingly installed at the wire passing nozzle 302 on the wire crimping rack 301. The winding mechanism 3 also includes a winding spindle 305 driven by a servo motor, and a height adjustment member 304 is installed between the winding spindle 305 and the wire crimping rack 301. The height adjustment member 304 is used to longitudinally adjust the height of the winding spindle 305. The bottom of the winding spindle 305 is fixedly connected to a mounting sleeve 306, and the bottom of the mounting sleeve 306 is detachably mounted with a winding center column 307. The winding mechanism 3 also includes a plurality of winding shaping knives 308 fixedly installed on the equipment bracket 1, and the winding shaping knives 308 and The winding center column 307 is used in conjunction with the paint stripping copper wire after passing through the wire crimping frame 301 and then entering the winding part through the wire passing nozzle 302 of the corresponding shape. Under the cooperation of the winding main shaft 305 and the winding center column 307, the winding main shaft 305 drives the winding center column 307 to start rotating winding, and the coil structure of the corresponding specification is wound through the cooperation of the winding shaping knife 308. After the winding is completed, the copper wire is cut by the winding wire cutting knife 303, and the appearance is further adjusted by the winding shaping knife 308 to complete the winding of the copper wire. The installation sleeve 306 is provided to facilitate the quick disassembly and assembly of the winding center column 307 and the installation sleeve 306, so as to replace the winding center column 307 of different specifications to achieve the effect of modifying the shape of the coil. In this embodiment, the winding center column 307 can be circular, square or other design shapes with different diameters.

[0029] In this embodiment, if Figure 5As shown, a mounting groove 3063 is provided at the bottom of the mounting sleeve 306, and a mounting portion that can be inserted into the mounting groove 3063 is provided at the top of the winding center column 307. A convenient clamping structure for fixing the mounting portion of the winding center column 307 is provided inside the mounting sleeve 306. The convenient clamping structure includes a movable plate 3064 provided around the inside of the mounting sleeve 306, and a clamping block 3066 is fixedly connected to the inner side of the bottom end of the movable plate 3064. A through hole for the clamping block 3066 to pass through is provided between the mounting groove 3063 and the inside of the mounting sleeve 306, and the mounting portion of the winding center column 307 is provided with a clamping block 3066 around it. The card slot 3071 corresponding to the position of 3066, the card block 3066 is inserted into the card slot 3071 through the through hole, and the convenient card structure also includes a ladder block 3061 arranged inside the installation sleeve 306 and located between the top ends of the four movable plates 3064. The inner sides of the top ends of the movable plates 3064 are fixedly connected with matching blocks 3065. The width of the ladder block 3061 gradually decreases from top to bottom. One side of the matching block 3065 is provided with an inclined surface that cooperates with the ladder block 3061 for sliding. A first return spring 3062 is fixedly connected between the bottom of the ladder block 3061 and the bottom end of the inner wall of the installation sleeve 306. Each A plurality of second return springs 3067 are fixedly connected between the movable plate 3064 and the inner wall of the installation sleeve 306. When replacing the winding center column 307, the ladder block 3061 is moved downward inside the installation sleeve 306, and the matching block 3065 slides with the ladder block 3061, so that the width of the part where the ladder block 3061 contacts the ladder block 3061 is gradually increased, thereby pushing the four movable plates 3064 to expand synchronously away from the ladder block 3061, and the movable plate 3064 drives the clamping block 3066 to move, so that the clamping block 3066 is disengaged from the clamping slot 3071, and the winding is released. The fixing function of the mounting part of the center column 307 facilitates the replacement of the winding center column 307. Then the selected mounting part of the winding center column 307 is installed in the mounting groove 3063. At this time, the ladder block 3061 is reset under the action of the first reset spring 3062, and the movable plate 3064 is reset under the action of the second reset spring 3067, so that the clamping block 3066 is inserted through the through hole into the clamping groove 3071 of the mounting part of the selected winding center column 307, thereby realizing the installation and fixation of the winding center column 307. The structure is simple, the operation is convenient, and the disassembly and replacement effect of the winding center column 307 is improved.

[0030] In this embodiment, if Figure 5 As shown, long through slots are longitudinally opened on both sides of the installation sleeve 306 at the ladder block 3061, and toggle rods 3068 are fixedly connected on both sides of the ladder block 3061. One end of the toggle rod 3068 passes through the long through slot and extends outward. When disassembling and replacing the winding center column 307, the ladder block 3061 can be moved by moving the toggle rod 3068 downward in the long through slot, which is easy to operate.

[0031] In this embodiment, if Figure 1 and Figure 2 As shown, the transmission unit includes a spot welding sheet pulling structure 7, a sheet conducting structure 8 and a cutting die sheet pulling mechanism 9 which are sequentially arranged along the spot welding frame 6 toward the sheet pressing block 10. The spot welding sheet pulling structure 7 is used to pull the lead frame portion on which the coil has been spot welded out of the spot welding area of ​​the spot welding frame 6, and at the same time pull the lead frame portion that has not been spot welded to the spot welding area for welding. The sheet conducting structure 8 is used to transport the lead frame with the coil welded thereon after spot welding from the spot welding frame 6 to the sheet pressing block 10, and then transfer the lead frame with the coil welded thereon to the cutting die portion via the cutting die sheet pulling mechanism 9, so as to transport and circulate the lead frame between the spot welding frame 6 and the cutting die portion.

[0032] In this embodiment, if Figure 1 and Figure 2 As shown, the mobile mechanism 4 is fixedly installed on the coil connecting guide rail 401 on the top of the equipment bracket 1, and the coil connecting guide rail 401 is arranged along the winding mechanism 3 toward the spot welding frame 6. A coil connecting platform frame 402 is slidably installed on the coil connecting guide rail 401. The coil connecting platform frame 402 is used to receive and place the wound coil. The wound coil is placed on the coil connecting platform frame 402, and the coil connecting platform frame 402 is transported to the spot welding frame 6 through the coil connecting guide rail 401 for welding.

[0033] Implementation scheme: When in use, paint strippers 205 of different specifications are selected according to copper wires of different shapes, and the paint stripper switching plate 202 is slid on the paint stripper sliding guide rail 201 through the paint stripper switching plate 202 to adjust the position of the paint stripper switching plate 202 on the paint stripper sliding guide rail 201. After the paint stripper switching plate 202 is adjusted in place, the paint stripper switching plate 202 is locked and limited by the first locking screw, and the position of the paint stripper 205 is adjusted. The mounting seat 203 slides on the mounting seat sliding guide rail 204, and the position of the mounting seat 203 on the mounting seat sliding guide rail 204 is adjusted. After the mounting seat 203 is adjusted in place, the mounting seat 203 is locked and limited by the second locking screw, and paint strippers 205 of different specifications are switched. The paint stripper 205 corresponding to the copper wire is manually adjusted to the center position. After fixing the position of the paint stripper, the original copper wire is cut, and the required copper wire is manually passed through the paint stripper, the paint stripping effect is determined, and then it is sent to the winding mechanism 3;

[0034] The stripped copper wire passes through the wire crimping frame 301 and then enters the winding part through the wire passing nozzle 302 of the same shape. Under the cooperation of the winding main shaft 305 and the winding center column 307, the winding main shaft 305 drives the winding center column 307 to start rotating winding. The coil structure of corresponding specifications is wound through the cooperation of the winding shaping knife 308. After the winding is completed, the copper wire is cut by the winding wire cutting knife 303, and then the appearance is further adjusted by the winding shaping knife 308 to complete the winding of the copper wire. During the coil winding process, the copper wire is pulled by the winding main shaft 305 to drive the stripped copper wire to feed;

[0035] The wound coil is placed on the coil receiving platform 402, and the coil receiving platform 402 is transferred to the spot welding frame 6 through the coil receiving guide rail 401;

[0036] The coil is welded to the lead frame drawn out from the lead frame reel 5 in the spot welding frame 6. The coil is welded to the lead frame by the welding rod in the spot welding frame. The spot welding sheet pulling structure 7 is used to pull the lead frame part with the coil already spot welded out of the spot welding area of ​​the spot welding frame 6, and at the same time pull the lead frame part that has not been spot welded to the spot welding area for welding. The sheet conducting structure 8 is used to transport the lead frame with the coil welded after the spot welding from the spot welding frame 6 to the sheet pressing block 10, and then transfer the lead frame with the coil welded to the cutting die part via the sheet pulling mechanism 9 of the cutting die;

[0037] The lead frame with the coil welded thereon enters the cutting die part, and the feed position of the lead frame is determined by the pressing sheet block 10. The redundant pins of the coil on the lead frame are cut off by the pin cutting structure 11, and then the sheet cutting structure 12 cuts the lead frame into a group of several coils as required. This process is driven by the cutting die sheet pulling mechanism 9. The finished products after trimming and cutting fall into the finished product area and are manually sorted and packaged.

[0038] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A multi-purpose point-winding integrated device, characterized in that: include: Equipment support, a paint stripping mechanism is installed on the right side of the top front end of the equipment support, the paint stripping mechanism is used to strip the paint of the copper wire, a winding mechanism is installed on the left side of the top of the equipment support, the winding mechanism is used to wind the stripped copper wire into a coil, and a lead frame reel, a spot welding frame, a transmission unit, a pressing sheet block, a pin cutting structure and a sheet cutting structure are installed in sequence from left to right on the top rear end of the equipment support, the spot welding frame is used to spot weld the coil on the lead frame at a determined position, the transmission unit is used to transfer the lead frame with the welded coil on the spot welding frame to the pressing sheet block, the pressing sheet block is used to determine the feed position of the lead frame, the pin cutting structure is used to cut off the excess pins of the coil on the lead frame, and the sheet cutting structure is used to cut the lead frame into a group of several coils as required, and a moving mechanism is installed between the winding mechanism and the spot welding frame, and the moving mechanism is used to transport the coil wound on the winding mechanism to the spot welding frame; A mounting groove is provided at the bottom of the mounting sleeve, a mounting portion which can be inserted into the mounting groove is provided at the top of the winding center column, and a convenient clamping structure for fixing the winding center column mounting portion is provided inside the mounting sleeve; The convenient clamping structure includes a movable plate provided around the inside of the mounting sleeve, a clamping block is fixedly connected to the inner side of the bottom end of the movable plate, a through hole for the clamping block to pass through is provided between the mounting groove and the inside of the mounting sleeve, and a clamping slot corresponding to the position of the clamping block is provided around the mounting part of the winding center column, and the clamping block passes through the through hole and is inserted into the clamping slot in a aligned manner; The convenient snap-on structure also includes a ladder block arranged inside the mounting sleeve and located between the top ends of the four movable plates. A matching block is fixedly connected to the inner side of the top end of the movable plate. The width of the ladder block gradually decreases from top to bottom. One side of the matching block is provided with an inclined surface that cooperates with the ladder block to slide. A first return spring is fixedly connected between the bottom of the ladder block and the bottom end of the inner wall of the mounting sleeve, and multiple second return springs are fixedly connected between each movable plate and the inner wall of the mounting sleeve.

2. A multi-purpose point-wrap integrated device according to claim 1, characterized in that: The transmission unit comprises a spot welding sheet pulling structure, a sheet conducting structure and a sheet cutting die sheet pulling mechanism which are sequentially arranged along the spot welding frame toward the sheet pressing block.

3. A multi-purpose point-wrap integrated device according to claim 1, characterized in that: The paint stripping mechanism includes a paint stripping machine sliding guide rail fixedly installed on the top of the equipment bracket, a paint stripping machine switching plate is slidably installed on the paint stripping machine sliding guide rail, a mounting seat sliding guide rail is arranged at right angles to the moving direction of the paint stripping machine sliding guide rail, a mounting seat is slidably installed on the mounting seat sliding guide rail, and a plurality of paint stripping machines of different models are fixedly installed on the top of the mounting seat.

4. A multi-purpose point-wrap integrated device according to claim 1, characterized in that: The paint stripping machine switching board is connected with a first locking screw used in conjunction with the paint stripping machine sliding guide rail, and the mounting seat is connected with a second locking screw used in conjunction with the mounting seat sliding guide rail.

5. The multi-purpose point-wrap integrated device according to claim 1, characterized in that: The winding mechanism includes a wire crimping rack fixedly installed at the bottom of the equipment bracket near the paint stripping mechanism. A plurality of wire passing nozzles compatible with the paint stripping machine are arranged on the side of the wire crimping rack away from the paint stripping mechanism. A winding cutting knife is installed corresponding to the wire passing nozzle on the wire crimping rack. The winding mechanism also includes a winding spindle driven by a servo motor. A height adjusting member is installed between the winding spindle and the wire crimping rack. The height adjusting member is used to longitudinally adjust the height of the winding spindle. A mounting sleeve is fixedly connected to the bottom of the winding spindle. A winding center column is detachably installed at the bottom of the mounting sleeve. The winding mechanism also includes a plurality of winding shaping knives fixedly installed on the equipment bracket. The winding shaping knives are used in conjunction with the winding center column.

6. A multi-purpose point-wrap integrated device according to claim 1, characterized in that: Long through slots are longitudinally provided on both sides of the mounting sleeve at the ladder block, and toggle rods are fixedly connected to both sides of the ladder block, and one end of the toggle rod passes through the long through slot and extends to the outside.

7. The multi-purpose point-wrap integrated device according to claim 1, characterized in that: The mobile mechanism is fixedly installed on the coil receiving rail on the top of the equipment bracket. The coil receiving rail is arranged along the winding mechanism toward the spot welding frame. A coil receiving platform frame is slidably installed on the coil receiving rail. The coil receiving platform frame is used to receive and place the wound coil.

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