Rubber basketball outer skin preparation device and preparation method thereof

Abstract

The application relates to the technical field of basketball preparation, and discloses a rubber basketball outer skin preparation device, which comprises a bottom plate, a rubber forming bin is connected to one side of the top end of the bottom plate, a feeding guide plate is connected to one side of the inner wall of the rubber forming bin, a primary forming mechanism and a transfer conveying unit are connected between the two sides of the inner wall of the rubber forming bin, a heat insulation cover is connected to one side of the inner wall of the rubber forming bin, an electric heating wire is connected to one side of the inner wall of the heat insulation cover, a secondary forming mechanism is connected to one side of the inner wall of the rubber forming bin, a guide roller is rotationally arranged on one side of the inner wall of the rubber forming bin, a connecting frame is connected to one side of the rubber forming bin, a discharging conveying unit is connected to one side of the connecting frame which is close to each other, and a cooling frame is connected to the top end of the connecting frame. The application effectively reduces the preparation procedures, reduces the production cost, guarantees the processing effect, effectively improves the preparation efficiency of the basketball outer skin, and reduces the labor consumption.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of basketball preparation, in particular to a rubber basketball skin preparation device and a preparation method thereof. BACKGROUND

[0002] Basketball is one of the ball games that young people like, and is a very popular sport today. Basketball is divided into hand-sewn balls and skin balls, and the most common one is skin basketball, which is made of inner liner, skin, and ball nose.

[0003] The basketball skin is made by mixing rubber, synthetic leather or leather and other materials together, adding appropriate amount of dye and chemical additives, then putting the mixed material into a mold for pressing into a sheet, and then cutting the produced sheet using the mold to produce the basketball skin.

[0004] The current basketball skin needs to go through many processes during production, so it needs to be matched with multiple production equipment to become a production line, and manual cooperation is also needed between the production lines. The production process is complex, and a large amount of manual labor is also needed during cutting and forming, which increases the production cost and reduces the production efficiency. SUMMARY

[0005] To solve the technical problems raised in the background art, the present application provides a rubber basketball skin preparation device and a preparation method thereof.

[0006] The application adopts the following technical scheme: a rubber basketball outer skin preparation device, comprising a bottom plate, a rubber forming bin is connected to one side of the top end of the bottom plate, an inlet guide plate is connected to one side of the inner wall of the rubber forming bin, a primary forming mechanism and a transfer conveying unit are connected between the two sides of the inner wall of the rubber forming bin, a heat shield is connected to one side of the inner wall of the rubber forming bin, an electric heating wire is connected to one side of the inner wall of the heat shield, a secondary forming mechanism is connected to one side of the inner wall of the rubber forming bin, a guide roller is rotatably arranged on one side of the inner wall of the rubber forming bin, a connecting frame is connected to one side of the rubber forming bin, an outlet conveying unit is connected to the sides of the connecting frame that are close to each other, a cooling frame is connected to the top end of the connecting frame, a mounting frame is connected to the top end of the cooling frame, a cooling fan is connected in the mounting frame, a cooling mechanism is connected to the top end of the cooling frame, a side plate is connected to one side of the top end of the connecting frame, an inner side connecting frame is rotatably arranged on the sides of the side plate that are close to each other, a connecting shaft seat is connected between the two sides of the inner wall of the inner side connecting frame, a plurality of hydraulic rods are connected to the outer side of the connecting shaft seat, a cutting die set is connected to the ends of each group of hydraulic rods that are away from each other, a traction cylinder is connected to the outer circle of the inner side connecting frame, a plurality of positioning rivets are connected to the two sides of the outer circle of the traction cylinder, a supporting frame is connected to one side of the rubber forming bin, a recovery roller is rotatably arranged on the sides of the supporting frame that are close to each other, a speed reducer is connected to one end of the recovery roller penetrating through the supporting frame, and a buffer unit is connected to the two sides of the rubber forming bin.

[0007] Through the above technical scheme, the transfer process is effectively reduced. After the raw material passes through the forming part in the 2, it is directly cooled and shaped by the cooling mechanism and the cooling fan, and then directly cut by the cutting die set, effectively reducing the transfer process, reducing the manufacturing cost, and reducing a large amount of manual consumption.

[0008] As a further improvement of the above scheme, the primary forming mechanism comprises a fixed frame, a hub motor is connected to the two ends of the fixed frame, a connecting block is connected to the outer circle of the hub motor, a first forming cylinder is connected to the ends of the connecting block that are away from each other, the first forming cylinder is provided with a cavity, and an electric heating device is connected in the cavity, and the two ends of the fixed frame are connected with the buffer unit.

[0009] Through the above technical scheme, two groups of first forming cylinders heat the raw material through the electric heating device to ensure the plasticity of the raw material. With the rotation and extrusion of the first forming cylinder, the heated raw material is preliminarily extruded and formed, which is convenient for the next forming process.

[0010] As a further improvement of the above scheme, the buffer unit comprises a side frame, a guide rod is arranged between the inner sides of the side frame, a moving block is slidably arranged at both ends of the guide rod, a high-stiffness spring is arranged on the side of the moving blocks close to each other, and the side frame is fixedly arranged on one side of the rubber forming bin.

[0011] Through the above technical scheme, the flexibility of the two groups of primary forming mechanisms can be met, and while the raw materials are extruded, the two groups of primary forming mechanisms can slide along the guide rod through the moving blocks, and the high-stiffness spring can also provide good traction, thereby avoiding tearing and damaging the raw materials while ensuring the forming effect of the raw materials.

[0012] As a further improvement of the above scheme, the rubber forming bin is provided with a movable hole on both sides, the fixed frame penetrates through the corresponding movable hole at both ends, and is connected with the moving block.

[0013] Through the above technical scheme, the activity effect of the two groups of primary forming mechanisms is met, and the effect of buffering protection is achieved while the raw materials are extruded.

[0014] As a further improvement of the above scheme, the transfer conveying unit is arranged obliquely, the heat shield and the secondary forming mechanism are located on one side of the top inclined surface of the transfer conveying unit, and the guide roller is located below the transfer conveying unit.

[0015] Through the above technical scheme, the raw material pieces after preliminary extrusion forming can fall to the top end of the transfer conveying unit, and move to the next process with the transfer conveying unit, thereby ensuring the direct continuity of the production preparation process, and ensuring the production effect.

[0016] As a further improvement of the above scheme, the secondary forming mechanism comprises a swing arm, a forming roller is rotatably arranged on the side of the swing arm close to each other, a circular shaft is connected on the side of the swing arm close to each other, telescopic rods are rotatably arranged at both ends of the circular shaft, one end of the telescopic rod is rotatably arranged on one side of the inner wall of the rubber forming bin, and the swing arm is rotatably arranged on one side of the inner wall of the rubber forming bin.

[0017] Through the above technical scheme, the rotation of the swing arm is driven by the contraction of the telescopic rod, so that the forming roller further extrudes and forms the raw material pieces on the surface of the transfer conveying unit, and the electric heating wire reheats the raw material pieces after preliminary forming, thereby ensuring the plastic effect of the secondary forming mechanism.

[0018] As a further improvement of the above scheme, the cooling mechanism comprises a temperature control frame, the top end of the temperature control frame is connected with a gasket, the top end of the gasket is connected with a Peltier block, the top end of the Peltier block is connected with a heat dissipation frame, the bottom end of the temperature control frame is connected with a support rod, and the support rod is fixedly arranged at the top end of the cooling frame, and the bottom of the temperature control frame is provided with heat dissipation fins on both sides, and the heat dissipation fins on the bottom are located above the mounting frame.

[0019] Through the above technical scheme, the formed raw material sheet can be rapidly cooled, the subsequent cutting process can be met, the forming effect of the basketball skin can be ensured, and the air sucked by the cooling fan can be well cooled, thereby further ensuring the forming effect of the raw material sheet.

[0020] As a further improvement of the above scheme, the cutting mold group comprises a pressing box body, the pressing box body is connected with a cutting mold on one side, the cutting mold is slidably arranged with a push plate, the top end of the push plate is connected with a sliding rod, the sliding rod penetrates through the pressing box body at the top end, and is connected with a top plate, the bottom end of the sliding rod is sleeved with a return spring, the top end of the pressing box body is connected with a connecting plate, and one side of the connecting plate is connected with the hydraulic rod.

[0021] Through the above technical scheme, the raw material sheet can be quickly and effectively cut, and the cutting mold group can be automatically demolded, thereby ensuring the processing efficiency and reducing the labor consumption.

[0022] As a further improvement of the above scheme, the pressing box body is connected with guide rails on both sides, and the inner side connecting frame and the traction cylinder are provided with sliding holes corresponding to the pressing box body, and limit sliding grooves are formed on both sides of the sliding holes corresponding to the guide rails.

[0023] Through the above technical scheme, the stability of the cutting mold group during movement can be ensured, the cutting effect can be ensured, and the cutting quality and yield can be ensured.

[0024] A rubber basketball outer skin preparation method, characterized in that it comprises the following steps:

[0025] Step one: the mixed and processed rubber raw material block is put into the rubber forming bin through the feeding guide plate, the bottom end of the hub motor is started, one of the two groups of forming cylinders is driven to rotate through the connecting block, the two groups of forming cylinders rotate towards each other, the rubber material is squeezed into the rubber forming bin, and the internal heating device heats the rubber to ensure the extrusion plasticity effect and the feeding effect of the rubber, wherein when the rubber is thicker or more, the two groups of primary forming mechanisms slide to both sides along the guide rod through the moving block, and the high stiffness spring provides a reverse force to ensure the extrusion effect of the primary forming mechanism on the rubber raw material and the feeding effect.

[0026] Step two: the rubber sheet extruded by the primary forming mechanism falls to the top end of the transfer conveying unit, the transfer conveying unit is started to move the rubber sheet, and the rubber sheet is heated again by the heating wire under the heat shield to ensure plasticity, the telescopic rod is retracted to drive the swing arm to rotate, so that the forming roller can further extrude the rubber sheet on the transfer conveying unit for further plasticity, and then the rubber sheet falls to the surface of the discharging conveying unit after being guided by the guide roller, and the formed rubber sheet is taken out of the rubber forming bin along with the operation of the discharging conveying unit.

[0027] Step three: the formed rubber sheet passes below the cooling rack, the Peltier block is powered, the bottom surface of the Peltier block is in a heat absorption state, so as to cool down, and the cooling fan is started to blow air to the rubber sheet on the top surface of the discharging conveying unit, wherein the air passes through the heat dissipation fins at the bottom surface of the temperature control rack, and the heat energy is absorbed to form low-temperature air perpendicular to the rubber sheet, so as to quickly cool and form the rubber sheet.

[0028] Step four: the rubber sheet taken out along with the discharging conveying unit is bypassed around the traction cylinder and fixed on the surface of the recycling roller, the positioning rivet is stuck into the rubber sheet, the speed reducer is started to drive the recycling roller to rotate, the rubber sheet is wound, and the traction cylinder is driven to rotate through the connection between the rubber sheet and the positioning rivet, the inner connecting frame is rotated at the same time, and linkage is formed.

[0029] Step five: the cutting die set rotates with the inner connecting frame, the hydraulic rod above the discharging conveying unit extends, the lower pressing box body is pushed to slide downward, the rubber sheet is cut into the shape of a basketball skin by the cutting die, and the cut basketball skin is embedded in the cutting die, the cutting die set is shifted in position after rotating with the inner connecting frame, the elastic force of the reset spring pushes the push plate to reset, so that the basketball skin in the cutting die is pushed out and falls on the discharging conveying unit, and the preparation of the basketball skin is completed.

[0030] Step six: the waste left after cutting is wound up along with the rotation of the recycling roller, so that the waste is recycled for recycling, and the inner connecting frame is also rotated to cut next time.

[0031] Compared with the prior art, the beneficial effects of the present application are that:

[0032] 1. The primary forming mechanism of the primary forming mechanism can heat and extrude the raw materials, heat the raw material pieces after primary plasticity through the transfer of the transfer conveying unit, heat the raw material pieces after primary plasticity by the electric heating wire, and use the secondary forming mechanism to perform secondary plasticity, extrude the raw materials into raw material pieces, and drop onto the surface of the discharge conveying unit guided by the guide roller, which can effectively plasticize the raw materials and directly convey the formed raw material pieces to the next process, effectively reducing the preparation process and reducing production cost;

[0033] 2. The application also accelerates air flow by cooling fan to blow out the formed raw material pieces, and the cooling mechanism effectively cools the air sucked by the cooling fan, effectively improves the shaping effect of the formed raw material pieces, ensures the subsequent processing effect, and reduces the production time;

[0034] 3. The application also drives the cutting mechanism to cut the formed raw material pieces by the hydraulic rod, and the cutting mechanism can automatically demold after cutting, effectively improving the preparation efficiency of the basketball outer skin, reducing labor consumption, and recycling the waste materials by driving the rotation of the recovery roller through the speed reducer, and driving the rotation of the inner connecting frame through the positioning rivet, thereby reducing energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is the overall structure schematic diagram of the rubber basketball outer skin preparation device of the application;

[0036] Figure 2 It is the left side sectional structure schematic diagram of the rubber basketball outer skin preparation device of the application;

[0037] Figure 3 It is the right side sectional structure schematic diagram of the rubber basketball outer skin preparation device of the application;

[0038] Figure 4 It is the connection structure schematic diagram of the cooling frame and the cooling mechanism in the rubber basketball outer skin preparation device of the application;

[0039] Figure 5 It is the structure schematic diagram of the cutting die set in the rubber basketball outer skin preparation device of the application;

[0040] Figure 6 It is the connection structure schematic diagram of the inner connecting frame and the traction cylinder in the rubber basketball outer skin preparation device of the application;

[0041] Figure 7 It is the overall structure schematic diagram of the rubber forming bin in the rubber basketball outer skin preparation device of the application.

[0042] Main symbol explanation:

[0043] 1, bottom plate; 2, rubber forming bin; 3, feeding guide plate; 4, primary forming mechanism; 41, fixed frame; 42, hub motor; 43, connecting block; 44, forming cylinder one; 45, electric heating device; 5, transfer conveying unit; 6, heat shield; 7, heating wire; 8, secondary forming mechanism; 81, swing arm; 82, forming roller; 83, round shaft; 84, telescopic rod; 9, guide roller; 10, connecting frame; 11, discharging conveying unit; 12, cooling frame; 13, cooling mechanism; 131, temperature control frame; 132, gasket; 133, peltier block; 134, heat dissipation frame; 14, side plate; 15, inner side connecting frame; 16, connecting shaft seat; 17, hydraulic rod; 18, cutting die set; 181, pressing box body; 182, cutting die; 183, push plate; 184, slide rod; 185, top plate; 186, return spring; 187, connecting plate; 19, traction cylinder; 20, positioning rivet; 21, support frame; 22, recovery roller; 23, speed reducer motor; 24, buffer unit; 241, side frame; 242, guide rod; 243, moving block; 244, high stiffness spring; 111, cooling fan; 222, movable hole. DETAILED DESCRIPTION

[0044] In the following, the application will be further described with reference to the drawings and specific embodiments, it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.

[0045] Embodiment 1:

[0046] Please combine Figures 1-3 and Figure 7 , the rubber basketball outer skin preparation device of the application of the embodiment, including bottom plate 1, the top end of bottom plate 1 is connected with rubber forming bin 2 on one side, the inner wall of rubber forming bin 2 is connected with feeding guide plate 3 on one side, the inner wall of rubber forming bin 2 is connected with primary forming mechanism 4 and transfer conveying unit 5 between the two sides, the inner wall of rubber forming bin 2 is connected with heat shield 6 on one side, the inner wall of heat shield 6 is connected with heating wire 7 on one side, the inner wall of rubber forming bin 2 is connected with secondary forming mechanism 8 on one side, the inner wall of rubber forming bin 2 is rotatably provided with guide roller 9 on one side, rubber forming bin 2 is connected with connecting frame 10 on one side, the side of connecting frame 10 close to each other is connected with discharging conveying unit 11, one end of discharging conveying unit 11 extends into rubber forming bin 2, and the lower side of guide roller 9 is not below.

[0047] The primary forming mechanism 4 includes a fixed frame 41, both ends of which are connected with a hub motor 42, the outer ring of the hub motor 42 is connected with a connecting block 43, the connecting block 43 is connected with a forming cylinder one 44 at the end away from each other, the forming cylinder one 44 is provided with a cavity, and the cavity is connected with an electric heating device 45, both ends of the fixed frame 41 are connected with the buffer unit 24, the buffer unit 24 includes a side frame 241, the side frame 241 is connected with a guide rod 242 between the inner sides, both ends of the guide rod 242 are slidably provided with a moving block 243, the moving block 243 is connected with a high stiffness spring 244 on the side close to each other, the side frame 241 is fixedly arranged on one side of the rubber forming bin 2, both sides of the rubber forming bin 2 are provided with a movable hole 222, both ends of the fixed frame 41 penetrate through the corresponding movable hole 222 and are connected with the moving block 243, the transfer conveying unit 5 is arranged obliquely, the heat shield 6 and the secondary forming mechanism 8 are located on one side of the top inclined surface of the transfer conveying unit 5, the guide roller 9 is located below the transfer conveying unit 5, the secondary forming mechanism 8 includes a swing arm 81, the swing arm 81 is rotatably provided with a forming roller 82 on the side close to each other, the swing arm 81 is connected with a circular shaft 83 on the side close to each other, both ends of the circular shaft 83 are rotatably provided with a telescopic rod 84, one end of the telescopic rod 84 is rotatably arranged on one side of the inner wall of the rubber forming bin 2, and the swing arm 81 is rotatably arranged on one side of the inner wall of the rubber forming bin 2.

[0048] The implementation principle of the rubber basketball outer skin preparation device in the embodiment of the application is that the mixed rubber raw material block is put into the rubber forming bin 2 through the feeding guide plate 3, the bottom hub motor 42 is started, the connecting block 43 drives the forming cylinder one 44 to rotate, the two groups of forming cylinder one 44 rotate towards each other, and the rubber material is extruded to enter the inside of the rubber forming bin 2, and the electric heating device 45 inside heats the rubber to ensure the extrusion plasticity effect and the rubber feeding effect, wherein when the extruded rubber is thicker or more, the two groups of primary forming mechanisms 4 slide to both sides along the guide rod 242 through the moving block 243, and the high stiffness spring 244 provides a reverse force to ensure the extrusion effect of the primary forming mechanism 4 on the rubber raw material and the feeding effect, the rubber sheet extruded by the primary forming mechanism 4 falls to the top of the transfer conveying unit 5, the transfer conveying unit 5 is started to drive the rubber sheet to move, the rubber sheet is heated again by the heating wire 7 when passing below the heat shield 6 to ensure the plasticity effect, the telescopic rod 84 is retracted to drive the swing arm 81 to rotate through the circular shaft 83, so that the forming roller 82 can further extrude the rubber sheet on the transfer conveying unit 5 to further plasticize, and then the rubber sheet is guided by the guide roller 9 after the plasticity is completed and falls to the surface of the discharging conveying unit 11, and the discharging conveying unit 11 is operated to take out the formed rubber sheet from the rubber forming bin 2.

[0049] Embodiment 2:

[0050] In combination Figures 1-4The embodiment is further improved on the basis of embodiment 1, and the improvement is that the top end of the connecting frame 10 is connected with a cooling frame 12, the top end of the cooling frame 12 is connected with a mounting frame, the mounting frame is connected with a cooling fan 111 inside, and the top end of the cooling frame 12 is connected with a cooling mechanism 13.

[0051] The cooling mechanism 13 comprises a temperature control frame 131, the top end of the temperature control frame 131 is connected with a gasket 132, the top end of the gasket 132 is connected with a Peltier block 133, the top end of the Peltier block 133 is connected with a heat dissipation frame 134, the bottom end of the temperature control frame 131 is connected with a support rod, and the support rod is fixedly arranged at the top end of the cooling frame 12, the bottom of the temperature control frame 131 is provided with heat dissipation fins on two sides, and the heat dissipation fins on the bottom are arranged above the mounting frame, so as to effectively utilize the Peltier effect, accelerate the molding and shaping effect of the raw material sheet.

[0052] The implementation principle of the two rubber basketball outer skin preparation devices in the embodiment is that the molded rubber sheet passes below the cooling frame 12, the Peltier block 133 is powered, the bottom surface of the Peltier block 133 is in a heat absorption state, thereby cooling, the cooling fan 111 is started, and air is blown to the rubber sheet on the top surface of the discharge conveying unit 11, wherein the air passes through the heat dissipation fins on the bottom surface of the temperature control frame 131, heat energy is absorbed, thereby forming low-temperature air perpendicular to the rubber sheet, and the rubber sheet can be quickly cooled and molded.

[0053] Embodiment 3

[0054] In combination Figures 3-6 The difference between the embodiment and embodiment 1 is that the top end of the connecting frame 10 is connected with a side plate 14 on one side, the side plate 14 is rotatably arranged on the side close to each other, the inner side connecting frame 15 is connected with a connecting shaft seat 16 between the inner walls on two sides, a plurality of groups of hydraulic rods 17 are connected with the outer side of the connecting shaft seat 16, each group of hydraulic rods 17 is connected with a cutting die set 18 on the end far away from each other, a traction cylinder 19 is connected with the outer circle of the inner side connecting frame 15, a plurality of groups of positioning rivets 20 are connected with the outer circle of the traction cylinder 19 on two sides, a supporting frame 21 is connected with one side of the rubber molding bin 2, a recovery roller 22 is rotatably arranged on the side close to each other of the supporting frame 21, the recovery roller 22 penetrates through the supporting frame 21 and is connected with a speed reducer 23 on one end, and a buffer unit 24 is connected with the two sides of the rubber molding bin 2, wherein the inner side connecting frame 15 and the connecting shaft seat 16 are both provided in a heptagon shape, which can uniformly divide the positions of the plurality of groups of cutting die sets 18, facilitate the uniformity of the cutting of the raw material sheet, meet the productivity, and ensure the production efficiency.

[0055] The cutting die set 18 comprises a pressing box body 181, one side of the pressing box body 181 is connected with a cutting die 182, the cutting die 182 is slidably provided with a push plate 183, the top end of the push plate 183 is connected with a slide rod 184, the top end of the slide rod 184 penetrates through the pressing box body 181 and is connected with a top plate 185, the bottom end of the slide rod 184 is sleeved with a reset spring 186, the top end of the pressing box body 181 is connected with a connecting plate 187, one side of the connecting plate 187 is connected with the hydraulic rod 17, guide rails are arranged on both sides of the pressing box body 181, the inner side connecting frame 15 and the traction cylinder 19 are provided with slide holes corresponding to the pressing box body 181, and limiting slide grooves are arranged on both sides of the slide holes corresponding to the guide rails, when the pressing box body 181 is pushed and pulled by the hydraulic rod 17, the stability of sliding can be ensured, and the cutting effect is ensured.

[0056] The implementation principle of the three rubber basketball outer skin preparation devices in the embodiment of the application is as follows: the rubber sheet first discharged from the discharging conveying unit 11 is bypassed around the traction cylinder 19 and fixed on the surface of the recovery roller 22, the positioning rivet 20 pierces into the rubber sheet, the recovery roller 22 is driven to rotate by starting the speed reducer motor 23, the rubber sheet is wound, the traction cylinder 19 is driven to rotate through the connection between the rubber sheet and the positioning rivet 20, the inner side connecting frame 15 rotates at the same time, thereby linkage is formed, the cutting die set 18 rotates at the same time with the rotation of the inner side connecting frame 15, the hydraulic rod 17 above the discharging conveying unit 11 extends, the pressing box body 181 is pushed to slide downward, the rubber sheet is cut into the shape of the basketball outer skin by the cutting die 182, the cut basketball outer skin is embedded in the cutting die 182, after the cutting die set 18 just completing cutting is rotated and shifted by the inner side connecting frame 15, the push plate 183 is reset by the elastic force of the reset spring 186, thereby the basketball outer skin in the cutting die 182 is pushed out and falls on the discharging conveying unit 11, and the preparation of the basketball outer skin is completed.

[0057] The above-mentioned embodiments are only preferred embodiments of the application, and cannot be used to limit the protection scope of the application, and any non-essential changes and replacements made by those skilled in the art on the basis of the application all belong to the protection scope of the application.

Claims

1. A device for preparing the outer cover of a rubber basketball, comprising a bottom plate (1), characterized in that: A rubber molding bin (2) is connected to one side of the top of the bottom plate (1), a feeding guide plate (3) is connected to one side of the inner wall of the rubber molding bin (2), a primary molding mechanism (4) and a transfer conveying unit (5) are connected between the two sides of the inner wall of the rubber molding bin (2), a heat insulation cover (6) is connected to one side of the inner wall of the heat insulation cover (6), a heating wire (7) is connected to one side of the inner wall of the rubber molding bin (2), a secondary molding mechanism (8) is connected to one side of the inner wall of the rubber molding bin (2), a guide roller (9) is rotatably provided on one side of the inner wall of the rubber molding bin (2), a connecting frame (10) is connected to one side of the rubber molding bin (2), a discharging conveying unit (11) is connected to one side of the connecting frame (10), a cooling rack (12) is connected to the top of the cooling rack (12), a mounting frame is connected to the top of the cooling rack (12), and a cooling fan (111) is connected to the mounting frame, and a cooling fan (111) is connected to the top of the cooling rack (12). A cooling mechanism (13) is provided. A side plate (14) is connected to one side of the top of the connecting frame (10). An inner connecting frame (15) is rotatably provided on the side where the side plates (14) are close to each other. A connecting shaft seat (16) is connected between the two sides of the inner wall of the inner connecting frame (15). A plurality of groups of hydraulic rods (17) are connected to the outer side of the connecting shaft seat (16). The ends of each group of hydraulic rods (17) that are away from each other are connected to a cutting mold group (18). A traction cylinder (19) is connected to the outer ring of the inner connecting frame (15). A plurality of groups of positioning rivets (20) are connected to both sides of the outer ring of the traction cylinder (19). A support frame (21) is connected to one side of the rubber molding chamber (2). A recovery roller (22) is rotatably provided on the side where the support frame (21) is close to each other. One end of the recovery roller (22) passes through the support frame (21) and is connected to a reduction motor (23). Buffer units (24) are connected to both sides of the rubber molding chamber (2).

2. The device for preparing the outer cover of a rubber basketball according to claim 1, characterized in that: The primary forming mechanism (4) includes a fixing frame (41) with hub motors (42) connected at both ends, a connecting block (43) connected to the outer ring of the hub motor (42), a forming cylinder (44) connected at one end away from the other, a cavity provided in the forming cylinder (44), and an electric heating device (45) connected in the cavity, and both ends of the fixing frame (41) are connected to the cache unit (24).

3. The device for preparing the outer cover of a rubber basketball according to claim 2, characterized in that: The cache unit (24) includes a side frame (241), a guide rod (242) is connected between the inner sides of the side frame (241), a moving block (243) is slidably provided at both ends of the guide rod (242), a high-strength spring (244) is connected to the side of the moving block (243) close to each other, and the side frame (241) is fixedly provided on one side of the rubber molding chamber (2).

4. The device for preparing the outer cover of a rubber basketball according to claim 3, characterized in that: Both sides of the rubber molding chamber (2) are provided with movable holes (222), and both ends of the fixing frame (41) pass through the corresponding movable holes (222) and are connected to the moving block (243).

5. The device for preparing the outer cover of a rubber basketball according to claim 1, wherein: The transfer conveying unit (5) is arranged in an inclined manner, the heat insulation cover (6) and the secondary forming mechanism (8) are located on one side of the top inclined surface of the transfer conveying unit (5), and the guide roller (9) is located below the transfer conveying unit (5).

6. The device for preparing the outer cover of a rubber basketball according to claim 1, wherein: The secondary molding mechanism (8) comprises a swing arm (81), a molding roller (82) is rotatably provided on one side of the swing arm (81) close to each other, a circular shaft (83) is connected to one side of the swing arm (81) close to each other, telescopic rods (84) are rotatably provided at both ends of the circular shaft (83), one end of the telescopic rod (84) is rotatably provided on one side of the inner wall of the rubber molding chamber (2), and the swing arm (81) is rotatably provided on one side of the inner wall of the rubber molding chamber (2).

7. The device for preparing the outer cover of a rubber basketball according to claim 1, characterized in that: The cooling mechanism (13) includes a temperature control frame (131), a gasket (132) is connected to the top of the temperature control frame (131), a Peltier block (133) is connected to the top of the gasket (132), a heat sink (134) is connected to the top of the Peltier block (133), a support rod is connected to the bottom of the temperature control frame (131), and the support rod is fixed to the top of the cooling frame (12), and heat sink fins are provided on both sides of the bottom of the temperature control frame (131), and the heat sink located on the bottom is located above the mounting frame.

8. The device for preparing the outer cover of a rubber basketball according to claim 1, wherein: The cutting die set (18) comprises a pressing box body (181), a cutting die (182) is connected to one side of the pressing box body (181), a push plate (183) is slidably provided in the cutting die (182), a top end of the push plate (183) is connected to a slide rod (184), a top end of the slide rod (184) passes through the pressing box body (181) and is connected to a top plate (185), a bottom end of the slide rod (184) is sleeved with a return spring (186), a top end of the pressing box body (181) is connected to a connecting plate (187), and one side of the connecting plate (187) is connected to the hydraulic rod (17).

9. The device for preparing the outer cover of a rubber basketball according to claim 8, characterized in that: Guide rails are connected to both sides of the pressing box body (181), and the inner connecting frame (15) and the traction cylinder (19) are provided with sliding holes corresponding to the pressing box body (181), and limiting sliding grooves are provided on both sides of the sliding holes corresponding to the guide rails.

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