An ultra-fine synthetic leather pasting basketball positioning and pasting device

Abstract

The utility model relates to the technical field of basketball production discloses a kind of microfiber synthetic leather pasting basketball positioning and adhering device, including lathe and inner bag, the top of lathe is provided with pressure cover mechanism, the top of lathe is fixedly connected with multiple struts, the top of multiple struts is evenly provided with same positioning mechanism;The positioning mechanism includes top plate, the bottom of top plate is fixedly connected in the top of multiple struts, the inner wall of top plate is slidably connected with slide axle, the bottom of slide axle is fixedly connected with fixed plate, the bottom of fixed plate is fixedly connected with top fixed ring, the top of lathe is fixedly connected with bottom fixed ring, the middle part of slide axle is fixedly connected with mounting block.In the utility model, by the upper and lower clamping of top fixed ring and bottom fixed ring, the inner bag can be stably positioned in current position, to provide stable premise for subsequent microfiber synthetic leather pasting and the adhesion of inner bag, reduce pasting deviation risk.

Description

Technical Field

[0001] This utility model relates to the field of basketball production technology, and in particular to a positioning and bonding device for microfiber synthetic leather basketball. Background Technology

[0002] Microfiber synthetic leather is a high-performance synthetic material made by coating polyurethane resin with microfiber nonwoven fabric as the base fabric through wet or dry processes. In the basketball manufacturing process, microfiber synthetic leather needs to be precisely bonded to the surface of the basketball bladder as a bonding material to form the outer layer structure of the basketball. It not only directly affects the smoothness and aesthetics of the basketball's appearance, but also plays a key role in the feel, elasticity and service life of the basketball. It is one of the core links that determines the quality of basketball products.

[0003] In the traditional production model of basketballs with microfiber synthetic leather overlays, the overlay process mainly relies on manual operation. The operator first holds the basketball bladder in hand to position it, then manually grabs the cut microfiber synthetic leather overlay, aligns it with the bonding marking lines on the surface of the bladder by visual inspection, and then manually applies pressure to stick the overlay in the designated position. This purely manual overlay method relies heavily on the operator's experience and visual judgment, making it difficult to ensure that each piece of overlay is accurately aligned with the marking lines, resulting in overlay position deviations.

[0004] To address the problems associated with traditional manual leather application, existing technologies use fixed rod-shaped supports or curved trays on the worktable to replace manual hand-holding or table-mounting, achieving initial support and positioning of the basketball bladder. However, in actual production and use, operators must first place the basketball bladder on the tray or rod-shaped support structure of the simple support, adjust the bladder's position so that the surface baseline faces a direction easy to observe, and then begin the leather application process. However, the support structure is extremely simple, providing only basic support. When operators grasp the bladder and adjust its position, their hands will touch the bladder, causing it to slide on the support. Therefore, a microfiber synthetic leather basketball positioning and bonding device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a microfiber synthetic leather-coated basketball positioning and bonding device, which aims to improve the problem of the inner bladder sliding and shifting on the support in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a microfiber synthetic leather patch basketball positioning and bonding device, comprising a machine tool and an inner bladder, wherein a pressing mechanism is provided on the top of the machine tool, and multiple pillars are fixedly connected to the top of the machine tool, and the top of the multiple pillars is provided with the same positioning mechanism. The positioning mechanism includes a top plate, the bottom of which is fixedly connected to the top of multiple support columns. A sliding shaft is slidably connected to the inner wall of the top plate. A fixing plate is fixedly connected to the bottom end of the sliding shaft. A top fixing ring is fixedly connected to the bottom of the fixing plate. A bottom fixing ring is fixedly connected to the top of the machine tool. A mounting block is fixedly connected to the middle of the sliding shaft. A spring is fixedly connected to the top of the mounting block. A rotating shaft is fixedly connected to the outer wall of each of the multiple support columns. An L-shaped rotating plate is rotatably connected to the outer wall of each of the two rotating shafts. A tension rotating plate is rotatably connected to the adjacent side of each of the two L-shaped rotating plates. An upper rotating plate is rotatably connected to the left and right sides of the bottom of the top plate. A lower rotating plate is rotatably connected to the left and right sides of the fixing plate. Multiple guide components are provided on the top of the fixing plate. Multiple smoothing components are provided inside the top plate.

[0007] As a further description of the above technical solution: The pressing mechanism includes a bracket, which is fixedly connected to the top of the machine tool. A slide rod is slidably connected to the inner wall of the bracket, and a rotating rod is rotatably connected to the top of the slide rod. A pressing block is fixedly connected to the top of the rotating rod. A rotation-blocking cylinder is slidably connected to the outer wall of the slide rod. A positioning component is provided on the outside of the rotating rod, and a limit component is provided on the outside of the rotation-blocking cylinder. A sliding component is provided at the bottom of the bracket.

[0008] As a further description of the above technical solution: The guide assembly includes a guide rod, the bottom end of which is fixedly connected to the top of the fixed plate, and a limit block is fixedly connected to the outer wall of the guide rod.

[0009] As a further description of the above technical solution: The smoothing component includes a sleeve, the outer wall of which is fixedly connected to the inner wall of the top plate, and a plurality of ball bearings are rotatably connected to the inner wall of the sleeve.

[0010] As a further description of the above technical solution: The positioning component includes a fixing block, the inner wall of which is fixedly connected to the outer wall of the rotating rod, two insert blocks are fixedly connected to the top of the rotating cylinder, and a slot is provided at the bottom of the fixing block.

[0011] As a further description of the above technical solution: The limiting assembly includes two limiting shafts, the tops of which are fixedly connected to the bottom of the fixing block, and two limiting shafts are fixedly connected to the outer wall of the rotating cylinder.

[0012] As a further description of the above technical solution: The sliding assembly includes a pulley, the top of which is rotatably connected to the bottom end of the slide rod, and a slide groove is provided on the top of the machine tool.

[0013] As a further description of the above technical solution: The inner walls of the two upper rotating plates are rotatably connected to the outer walls of the two stretching rotating plates, and the inner walls of the two lower rotating plates are rotatably connected to the outer walls of the stretching rotating plates.

[0014] This utility model has the following beneficial effects: 1. In this utility model, by rotating the L-shaped rotating plate downward with the rotating shaft as the center of rotation, the stretching rotating plate is driven to move towards the sliding shaft. This, in turn, causes the upper rotating plate to rotate synchronously around the bottom connection point of the top plate and the lower rotating plate to rotate around the side connection point of the fixed plate and tend to the same straight line. This allows the upper and lower rotating plates to generate a stable downward thrust on the fixed plate, ensuring that the fixed plate drives the top fixing ring to move down smoothly. The upper and lower clamping of the top fixing ring and the bottom fixing ring allows the inner liner to be stably positioned at the current position, providing a stable premise for the subsequent bonding of the microfiber synthetic leather lining to the inner liner and reducing the risk of lining displacement.

[0015] 2. In this utility model, by setting the rotating rod and the sliding rod to form an angle in the initial state and the pressing block to be far away from the inner liner, the operating space for covering the inner liner with microfiber synthetic leather is more sufficient, avoiding interference of the pressing block with the placement of the leather, and improving the convenience of the initial operation. By straightening the rotating rod to be coaxial with the sliding rod, the pressing block can be accurately aligned with the leather on the inner liner, laying the directional foundation for subsequent uniform pressure application and reducing the problem of leather wrinkles caused by the deviation of the pressing direction. Attached Figure Description

[0016] Figure 1 This is a perspective view of a positioning and bonding device for a microfiber synthetic leather basketball according to the present invention; Figure 2 This is a front view of a microfiber synthetic leather basketball positioning and bonding device proposed in this utility model; Figure 3 This is a partial structural schematic diagram of a positioning and bonding device for a microfiber synthetic leather basketball proposed in this utility model; Figure 4 This is a partial structural cross-sectional view of a positioning and bonding device for a microfiber synthetic leather basketball proposed in this utility model; Figure 5 This is a schematic diagram of the support structure of a positioning and bonding device for a microfiber synthetic leather basketball proposed in this utility model; Figure 6 This is a schematic diagram of the pressing mechanism of a positioning and bonding device for microfiber synthetic leather basketball proposed in this utility model.

[0017] Legend: 1. Machine tool; 2. Support column; 3. Positioning mechanism; 301. Top plate; 302. Slide shaft; 303. Fixing plate; 304. Top fixing ring; 305. Bottom fixing ring; 306. Mounting block; 307. Spring; 308. Rotating shaft; 309. L-shaped rotating plate; 310. Tensioning rotating plate; 311. Upper rotating plate; 312. Lower rotating plate; 313. Guide assembly; 3131. Guide rod; 3132. Limiting block; 314. Smoothing assembly; 31 41. Sleeve; 3142. Ball bearing; 4. Pressing mechanism; 401. Bracket; 402. Slide rod; 403. Rotating rod; 404. Pressing block; 405. Rotation-resistant cylinder; 406. Positioning assembly; 4061. Fixing block; 4062. Insert block; 4063. Slot; 407. Limiting assembly; 4071. Limiting shaft one; 4072. Limiting shaft two; 408. Sliding assembly; 4081. Pulley; 4082. Slide groove; 5. Inner liner. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1-5 The present invention provides an embodiment of a microfiber synthetic leather patch basketball positioning and bonding device, comprising a machine tool 1 and an inner bladder 5. The top of the machine tool 1 is provided with a pressing mechanism 4, which is used to roll and bond the microfiber synthetic leather patch covering the inner bladder 5. The top of the machine tool 1 is fixedly connected with multiple pillars 2, which are used to support a positioning mechanism 3. The top of each of the multiple pillars 2 is provided with the same positioning mechanism 3, which is used to clamp and position the basketball inner bladder 5. The positioning mechanism 3 includes a top plate 301, which is the core support component of the positioning mechanism 3 and is used to install the sliding shaft 302 assembly. The bottom of the top plate 301 is fixedly connected to the top of multiple support columns 2. This connection method ensures the stable installation of the top plate 301. The sliding shaft 302 is slidably connected to the inner wall of the top plate 301. The sliding shaft 302 can drive the fixed plate 303 to move up and down. The bottom end of the sliding shaft 302 is fixedly connected to the fixed plate 303. The fixed plate 303 is used to install the top fixing ring 304 and the lower rotating plate 312. The bottom of the fixed plate 303 is fixedly connected to the top fixing ring 304. The bottom fixing ring 305 cooperates to achieve the vertical positioning of the inner liner 5. The bottom fixing ring 305 is fixedly connected to the top of the machine tool 1. The bottom fixing ring 305 is used to initially limit the placement position of the inner liner 5. The middle part of the sliding shaft 302 is fixedly connected to the mounting block 306. The mounting block 306 is used to fix the spring 307. The top of the mounting block 306 is fixedly connected to the spring 307. The spring 307 can buffer the downward pressure of the top fixing ring 304 to avoid damage to the inner liner 5. The outer walls of the multiple support columns 2 are all fixedly connected to the rotating shafts 308. The rotating shafts 308 provide the rotation fulcrum for the L-shaped rotating plate 309. The outer walls of the two rotating shafts 308 Each of the two L-shaped rotating plates 309 is rotatably connected to an L-shaped rotating plate 309. The rotation of the L-shaped rotating plate 309 drives the movement of the tension rotating plate 310. Each adjacent side of the two L-shaped rotating plates 309 is rotatably connected to a tension rotating plate 310. The tension rotating plate 310 can rotate in conjunction with the upper rotating plate 311 and the lower rotating plate 312. The bottom left and right sides of the top plate 301 are rotatably connected to upper rotating plates 311. The inner walls of the two upper rotating plates 311 are rotatably connected to the outer walls of the two tension rotating plates 310. This connection method ensures that the tension rotating plate 310 can drive the upper rotating plate 311 to rotate when it moves. The left and right sides of the fixed plate 303 are rotatably connected to lower rotating plates 312. The lower rotating plate 312 and the upper rotating plate 311 work together to provide downward thrust. The inner walls of the two lower rotating plates 312 are rotatably connected to the outer wall of the stretching rotating plate 310. This connection method ensures that the stretching rotating plate 310 can drive the lower rotating plates 312 to rotate when it moves. The top of the fixed plate 303 is provided with multiple guide components 313. The guide components 313 are used to ensure that the downward direction of the fixed plate 303 is accurate and to avoid deviation. The interior of the top plate 301 is provided with multiple smoothing components 314. The smoothing components 314 are used to reduce the friction between the guide components 313 and the inner wall of the top plate 301 to ensure that the sliding shaft 302 slides smoothly. Specifically, the basketball bladder 5 to be coated is placed inside the bottom fixing ring 305 at the top of the machine tool 1. The bottom fixing ring 305 initially restricts the position of the bladder 5 to prevent it from shifting during subsequent operations. After the bladder 5 is placed, the two L-shaped rotating plates 309 are rotated downwards. The L-shaped rotating plates 309 rotate around the rotating shaft 308 fixed to the outer wall of the support column 2 as the center of rotation. As the L-shaped rotating plates 309 rotate, the tension rotating plate 310 rotatably connected to its adjacent side is synchronously driven and moves towards the sliding shaft 302. The tension rotating plate 310 simultaneously rotates with the inner wall of the upper rotating plate 311 rotatably connected to the bottom of the top plate 301 and the lower rotating plate 312 rotatably connected to the side of the fixed plate 303. When the tension rotating plate 310 moves towards the sliding shaft 302, the upper rotating plate 311 rotates around the bottom connection point of the top plate 301, and the lower rotating plate 312 rotates around the fixed shaft 302. The side connection point of plate 303 rotates, and the rotation angles of the upper rotating plate 311 and the lower rotating plate 312 gradually synchronize and tend to be the same straight line. The upper rotating plate 311 and the lower rotating plate 312 rotate together to generate a downward pushing force on the fixed plate 303, pushing the sliding shaft 302 to slide vertically down along the inner wall of the top plate 301. The top fixing ring 304 at the bottom of the fixed plate 303 moves down synchronously and approaches the top of the inner liner 5 until it is tightly attached to the outer surface of the top of the inner liner 5. During this process, the mounting block 306 in the middle of the sliding shaft 302 moves down with the sliding shaft 302. The spring 307 at the top of the mounting block 306 is stretched. The reverse tension generated by the spring 307 buffers the downward pressure of the top fixing ring 304 to avoid damaging the inner liner 5. Finally, the top fixing ring 304 and the bottom fixing ring 305 form an upper and lower clamping structure. With the lateral limiting of the L-shaped rotating plate 309, the inner liner 5 is stably positioned.

[0020] Reference Figures 1-6 The pressing mechanism 4 includes a bracket 401, which is fixedly connected to the top of the machine tool 1. The bracket 401 is the core support component of the pressing mechanism 4 and is used to install the slide rod 402. The slide rod 402 is slidably connected to the inner wall of the bracket 401. The slide rod 402 drives the rotating rod 403 and the pressing block 404 to move along the bracket 401. The top of the slide rod 402 is rotatably connected to the rotating rod 403, which is used to adjust the posture of the pressing block 404. The top of the rotating rod 403 is fixedly connected to the pressing block 404, which directly contacts the microfiber synthetic leather patch and applies pressure. The outer wall is slidably connected with a rotation-stopping cylinder 405, which restricts the relative rotation of the rotating rod 403 and the sliding rod 402. A positioning component 406 is provided on the outside of the rotating rod 403, which is used to realize the docking of the rotation-stopping cylinder 405 and the rotating rod 403. A limit component 407 is provided on the outside of the rotation-stopping cylinder 405, which is used to control the upward position of the rotation-stopping cylinder 405 to ensure that the insertion block 4062 is aligned with the slot 4063. A sliding component 408 is provided at the bottom of the bracket 401, which is used to assist the sliding rod 402 in driving the pressing block 404 to move smoothly. The positioning component 406 includes a fixing block 4061, which is used to connect the rotating rod 403 and the limiting shaft 4071. The inner wall of the fixing block 4061 is fixedly connected to the outer wall of the rotating rod 403. This connection method ensures that the fixing block 4061 and the rotating rod 403 move synchronously. Two insert blocks 4062 are fixedly connected to the top of the rotation-stopping cylinder 405. The insert blocks 4062 cooperate with the slots 4063 to realize the positioning connection between the rotation-stopping cylinder 405 and the fixing block 4061. The bottom of the fixing block 4061 is provided with a slot 4063, which provides insertion space for the insert blocks 4062 to realize the docking of the two. The limiting assembly 407 includes two limiting shafts 4071. The two limiting shafts 4071 are used to cooperate with the limiting shaft 4072 to limit the upward movement of the rotating cylinder 405. The top of the two limiting shafts 4071 is fixedly connected to the bottom of the fixing block 4061. This connection method ensures that the limiting shafts 4071 and the fixing block 4061 are fixed in position. The outer wall of the rotating cylinder 405 is fixedly connected to two limiting shafts 4072. When the limiting shafts 4072 contact the limiting shafts 4071, the rotating cylinder 405 stops rotating and ensures that the insert 4062 is aligned with the slot 4063. Specifically, in the initial state, the rotating rod 403 and the sliding rod 402 form an angle, the pressing block 404 at the top of the rotating rod 403 is away from the inner liner 5, and the rotation-stopping cylinder 405 is in a low position. After the microfiber synthetic leather covers the inner liner 5, the rotating rod 403 is straightened so that it is coaxial with the sliding rod 402. Then the rotation-stopping cylinder 405 is moved upward. When the first limiting shaft 4071 contacts the second limiting shaft 4072, the insertion block 4062 of the positioning component 406 aligns with the insertion block at the bottom of the fixing block 4061. After inserting the insert block 4062 into the slot 4063, rotate the rotating cylinder 405 ninety degrees so that it wraps around the rotating node of the rotating rod 403 and the sliding rod 402 to limit relative rotation. The pressing block 404 presses tightly against the skin. The curvature of the inner wall of the pressing block 404 and the inner wall of the bracket 401 are adapted to the outer wall of the inner liner 5. Slide the sliding rod 402 along the inner wall of the bracket 401 to drive the pressing block 404 to move with the curvature of the inner liner 5, so as to complete the uniform pressing of the skin and expel air.

[0021] Reference Figures 1-5 The guide assembly 313 includes a guide rod 3131, the bottom end of which is fixedly connected to the top of the fixed plate 303. The guide rod 3131 is used to guide the vertical movement of the fixed plate 303 and prevent the fixed plate 303 from shifting. A limit block 3132 is fixedly connected to the outer wall of the guide rod 3131. The limit block 3132 is used to limit the movement stroke of the guide rod 3131 and prevent the guide rod 3131 from coming out of the preset position. The smoothing assembly 314 includes a sleeve 3141 for mounting balls 3142, providing a stable channel for the sliding shaft 302 to slide. The outer wall of the sleeve 3141 is fixedly connected to the inner wall of the top plate 301. Multiple balls 3142 are rotatably connected to the inner wall of the sleeve 3141. The balls 3142 convert the sliding friction between the guide rod 3131 and the sleeve 3141 into rolling friction, reducing the sliding resistance of the guide rod 3131. The sliding assembly 408 includes a pulley 4081, which is used to assist the slide bar 402 in moving along a preset track and reduce the friction when the slide bar 402 moves. The top of the pulley 4081 is rotatably connected to the bottom of the slide bar 402. The top of the machine tool 1 is provided with a slide groove 4082, which provides a moving track for the pulley 4081, restricts the moving direction of the pulley 4081, and ensures that the slide bar 402 drives the pressing block 404 to press the skin along a fixed path. Specifically, when the sliding shaft 302 slides down the inner wall of the top plate 301, the guide rod 3131 at the top of the fixed plate 303 moves synchronously, the limiting block 3132 restricts the travel of the guide rod 3131, and the sleeve 3141 and internal ball bearings 3142 on the inner wall of the top plate 301 reduce the friction of the guide rod 3131. After the microfiber synthetic leather is covered to cover the inner liner 5, the rotating rod 403 and the sliding rod 402 are aligned coaxially, and the rotating cylinder 405 is moved up and rotated until the first limiting shaft 4071 contacts the second limiting shaft 4072. The insert block 4062 is inserted into the slot 4063, and the rotating cylinder 405 locks the rotating rod 403 and the sliding rod 402 at ninety degrees. When sliding, the pulley 4081 at the bottom of the sliding rod 402 moves along the top slide groove 4082 of the machine tool 1, and the pressing block 404 presses down with the arc of the inner liner 5 to expel air.

[0022] Working principle: The basketball bladder 5 to be coated is placed inside the bottom fixing ring 305 at the top of the machine tool 1, initially restricting the position of the bladder 5 to prevent it from shifting during subsequent operations. After the bladder 5 is placed, the two L-shaped rotating plates 309 are rotated downwards. The L-shaped rotating plates 309 rotate around the rotating shaft 308 as the center of rotation. As the L-shaped rotating plates 309 rotate downwards, the stretching rotating plate 310 is synchronously driven and moves towards the sliding shaft 302. The stretching rotating plate 310 is simultaneously rotatably connected to the inner walls of the upper rotating plate 311 and the lower rotating plate 312. During the movement of the stretching rotating plate 310 towards the sliding shaft 302, the upper rotating plate 311 rotates around the connection point at the bottom of the top plate 301, and the lower rotating plate 312 rotates around the connection point on the side of the fixing plate 303. The rotation angles of the upper rotating plate 311 and the lower rotating plate 312 gradually synchronize, and eventually they tend to be on the same straight line. The coordinated rotation of 2 will generate a downward thrust on the fixing plate 303. Under the action of the thrust, the sliding shaft 302 slides vertically downward along the inner wall of the top plate 301. At this time, the top fixing ring 304 moves downward synchronously and gradually approaches the top of the inner liner 5 until the top fixing ring 304 is tightly attached to the outer surface of the top of the inner liner 5. During this process, the mounting block 306 fixedly connected in the middle of the sliding shaft 302 moves downward synchronously with the sliding shaft 302. The spring 307 fixedly connected at the top of the mounting block 306 is stretched. The reverse tension generated by the spring 307 buffers the downward pressure of the top fixing ring 304 and avoids damage to the inner liner 5 due to excessive pressure. Finally, the top fixing ring 304 and the bottom fixing ring 305 form an upper and lower clamping structure. With the lateral limiting of the L-shaped rotating plate 309, the inner liner 5 is stably positioned in the current position. After the positioning mechanism 3 completes the fixing of the inner liner 5, the microfiber synthetic leather patch is attached to the inner liner 5. In the initial state, the rotating rod 403 and the sliding rod 402 form an angle, the pressing block 404 fixed at the top of the rotating rod 403 is away from the inner liner 5, and the rotation-stopping cylinder 405 is in a low position. After the microfiber synthetic leather covers the inner liner 5, the rotating rod 403 is straightened so that the rotating rod 403 and the sliding rod 402 are coaxial. Then, the rotation-stopping cylinder 405 is moved upward and rotated. When the first limiting shaft 4071 contacts the second limiting shaft 4072, the insertion block 4062 of the positioning component 406 is exactly aligned with the slot 4063 at the bottom of the fixing block 4061. After 4062 is inserted into slot 4063, the rotation-blocking cylinder 405 is rotated 90 degrees. At this time, the rotation-blocking cylinder 405 wraps around the rotation node of the rotating rod 403 and the sliding rod 402, restricting their relative rotation. Due to the coaxial design, the pressing block 404 tightly presses the skin on the inner liner 5. The curvature of the inner wall of the pressing block 404 and the curvature of the inner wall of the bracket 401 are both adapted to the curvature of the outer wall of the inner liner 5, ensuring a tight fit. Finally, the sliding rod 402 slides along the inner wall of the bracket 401, causing the pressing block 404 to move with the curvature of the inner liner 5, completing the uniform pressing of the skin and expelling air.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A positioning and bonding device for a microfiber synthetic leather basketball, comprising a machine tool (1) and an inner bladder (5), characterized in that: The top of the machine tool (1) is provided with a pressing mechanism (4), and the top of the machine tool (1) is fixedly connected with multiple support columns (2), and the top of the multiple support columns (2) is provided with the same positioning mechanism (3). The positioning mechanism (3) includes a top plate (301), the bottom of which is fixedly connected to the top of a plurality of support columns (2). A sliding shaft (302) is slidably connected to the inner wall of the top plate (301). A fixing plate (303) is fixedly connected to the bottom end of the sliding shaft (302). A top fixing ring (304) is fixedly connected to the bottom of the fixing plate (303). A bottom fixing ring (305) is fixedly connected to the top of the machine tool (1). A mounting block (306) is fixedly connected to the middle of the sliding shaft (302). A spring (307) is fixedly connected to the top of the mounting block (306). The outer walls of the multiple support pillars (2) are fixedly connected with rotating shafts (308), the outer walls of the two rotating shafts (308) are rotatably connected with L-shaped rotating plates (309), the adjacent sides of the two L-shaped rotating plates (309) are rotatably connected with tensioning rotating plates (310), the bottom left and right sides of the top plate (301) are rotatably connected with upper rotating plates (311), the left and right sides of the fixed plate (303) are rotatably connected with lower rotating plates (312), the top of the fixed plate (303) is provided with multiple guide components (313), and the interior of the top plate (301) is provided with multiple smoothing components (314).

2. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 1, characterized in that: The pressing mechanism (4) includes a bracket (401), which is fixedly connected to the top of the machine tool (1). A slide rod (402) is slidably connected to the inner wall of the bracket (401). A rotating rod (403) is rotatably connected to the top of the slide rod (402). A pressing block (404) is fixedly connected to the top of the rotating rod (403). A rotation-blocking cylinder (405) is slidably connected to the outer wall of the slide rod (402). A positioning component (406) is provided on the outside of the rotating rod (403). A limit component (407) is provided on the outside of the rotation-blocking cylinder (405). A sliding component (408) is provided at the bottom of the bracket (401).

3. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 1, characterized in that: The guide assembly (313) includes a guide rod (3131), the bottom end of which is fixedly connected to the top of the fixing plate (303), and a limit block (3132) is fixedly connected to the outer wall of the guide rod (3131).

4. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 1, characterized in that: The smoothing component (314) includes a sleeve (3141), the outer wall of which is fixedly connected to the inner wall of the top plate (301), and a plurality of balls (3142) are rotatably connected to the inner wall of the sleeve (3141).

5. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 2, characterized in that: The positioning component (406) includes a fixing block (4061), the inner wall of which is fixedly connected to the outer wall of the rotating rod (403), two inserts (4062) are fixedly connected to the top of the rotating cylinder (405), and a slot (4063) is provided at the bottom of the fixing block (4061).

6. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 5, characterized in that: The limiting component (407) includes two limiting shafts (4071), the tops of which are fixedly connected to the bottom of the fixing block (4061), and the outer wall of the rotating cylinder (405) is fixedly connected to two limiting shafts (4072).

7. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 2, characterized in that: The sliding assembly (408) includes a pulley (4081), the top of which is rotatably connected to the bottom end of the slide rod (402), and the top of the machine tool (1) is provided with a slide groove (4082).

8. The positioning and bonding device for a microfiber synthetic leather basketball according to claim 1, characterized in that: The inner walls of the two upper rotating plates (311) are rotatably connected to the outer walls of the two stretching rotating plates (310), and the inner walls of the two lower rotating plates (312) are rotatably connected to the outer walls of the stretching rotating plates (310).

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