Bonding device for polyurethane synthetic leather
By designing a polyurethane synthetic leather adhesive device with hydraulic pump and motor-driven screw system, the problem of easy dislocation of synthetic leather and foam pad during the extrusion process is solved, and a higher quality bonding effect is achieved.
Patent Information
- Application Number
- CN202421281170.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The existing adhesive devices of polyurethane synthetic leather are likely to cause dislocation between the synthetic leather and the inner foam pad during the extrusion process, affecting the bonding quality.
An adhesive device including a workbench, a lifting mechanism and an adhesive mechanism is designed. Through the screw system driven by hydraulic pump and motor, uniform push and adjustment of the synthetic leather is achieved to avoid misalignment.
It effectively avoids the misalignment between synthetic leather and foam pads, and improves the bonding quality and the overall performance of the product.
Smart Images

Figure CN222769001U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bonding devices, and more specifically, to a bonding device for polyurethane synthetic leather. Background Art
[0002] Football is a sport that is played mainly with the feet, with the ball being controlled and dominated. Two teams attack and defend against each other on the same rectangular field according to certain rules. Football is known as the "world's number one sport" because of its strong confrontation, varied tactics, and large number of participants.
[0003] In the process of making footballs, the polyurethane synthetic leather used to make footballs needs to be bonded to the inner foam pad to ensure the softness and cushioning strength of the football surface.
[0004] The utility model patent with patent announcement number CN219650603U discloses a polyurethane synthetic leather processing and pressing device, including a processing table; a support column is fixedly connected to the bottom of the processing table, a conveyor belt is fixedly connected to the top of the processing table, and an adjustment component is arranged on the top of the processing table, and the adjustment component includes a bracket, and the bracket is fixedly connected to the top of the processing table; by shaking the crank, the crank drives the connecting rod on one side to rotate, and the first gear is driven to rotate through the connecting rod, when the first gear rotates, it will drive the tooth plate on one side to move, and when the tooth plate moves, it will drive the shaft sleeve on one side to move up and down together, and when the shaft sleeve moves up and down, it will drive the internal pressing roller to move up and down, so as to facilitate the adjustment of the distance between the pressing roller and the conveyor belt, so that the pressing spacing can be adjusted according to the thickness requirement of the polyurethane synthetic leather, solving the problem that the spacing of the pressing rollers of the pressing machine cannot be adjusted.
[0005] However, in actual use, the pressing roller in the structure extrude the synthetic leather in a unidirectional manner, so that when the synthetic leather and the inner foam pad are bonded and extruded, the top synthetic leather and the inner foam pad are subjected to different pressures and frictions, which may easily cause misalignment between the synthetic leather and the foam pad. Therefore, a bonding device for polyurethane synthetic leather is proposed. Utility Model Content
[0006] In order to overcome the above defects of the prior art, the utility model provides a bonding device for polyurethane synthetic leather to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a bonding device for polyurethane synthetic leather, comprising a workbench, the workbench is connected to a plurality of pillars, the plurality of pillars jointly support a top plate, a lifting mechanism is installed on the top plate, the bottom end of the lifting mechanism is connected to a connecting frame, the bottom end of the connecting frame is installed with a mounting frame, and the bottom of the mounting frame is installed with a bonding mechanism.
[0008] When the bonding device for polyurethane synthetic leather is used to extrude and bond the synthetic leather and the sponge pad required for making a football, the synthetic leather and the sponge pad that are preliminarily bonded are laid flat on a workbench, and the hydraulic pump is operated so that the hydraulic rod presses down the connecting frame, thereby causing two fitted flattening columns to press down on the synthetic leather, and the motor is operated so that the first screw rod and the second screw rod rotate synchronously, thereby causing the two flattening columns to move to both sides, so that the two flattening columns push the synthetic leather from the middle to both sides, thereby causing the two ends of the synthetic leather to be evenly stressed, thereby avoiding bonding misalignment and improving the bonding quality of the synthetic leather.
[0009] Preferably, the lifting mechanism comprises a hydraulic pump, and the hydraulic pump is mounted on the top plate;
[0010] A hydraulic rod, wherein the top end of the hydraulic rod is connected to the output end of the hydraulic pump, and the bottom end of the hydraulic rod is connected to the connecting frame.
[0011] Preferably, the mounting frame comprises a connecting plate, and the connecting plate is bolted to the bottom end of the connecting frame;
[0012] Two side panels, each of which is arranged on both sides of the connecting plate;
[0013] A fixing plate, the two ends of which are respectively connected to the ends of the two side plates;
[0014] A partition is installed between the two side panels.
[0015] Preferably, the partition plate cooperates with the fixing plate to support the bonding mechanism.
[0016] Preferably, a cabinet is formed on one side of the partition, and one end of the bonding mechanism is installed in the cabinet.
[0017] Preferably, the bonding mechanism comprises a motor, the motor is mounted on one side of the partition, and the motor is inside the chassis;
[0018] A first screw rod, one end of which is connected to an output end of the motor;
[0019] A second screw rod, one end of which is connected to the other end of the first screw rod, the other end of which is rotatably connected to the fixed plate, and the threads on the first screw rod and the second screw rod are in opposite directions;
[0020] A guide rod, one end of which is connected to the fixing plate, and the other end of which is connected to the partition plate;
[0021] Two flattening columns, one end of each flattening column is connected and matched with the first screw rod and the second screw rod respectively, and the other ends of the two flattening columns are slidably matched with the guide rod.
[0022] Preferably, a slider is installed at one end of each of the two flattening columns, and each slider is respectively connected and cooperated with the corresponding first screw rod and second screw rod, and a sliding sleeve is installed at the other end of the flattening column, and the sliding sleeve is slidably connected to the guide rod.
[0023] Technical effects and advantages of the utility model:
[0024] 1. Through the arrangement of the motor, the first screw rod, the second screw rod, the guide rod, the flattening column, the slider and the sleeve, compared with the prior art, the motor can be operated to make the first screw rod and the second screw rod rotate synchronously, so that the two flattening columns are connected to the corresponding screw rods by the slider, and the sleeve at the other end is slidably matched with the guide rod, so as to guide the two flattening columns to move toward each other, so that when the two flattening columns push the synthetic leather from the middle to the two sides, the two ends of the synthetic leather are evenly stressed, so as to avoid bonding dislocation, and at the same time, it is conducive to discharge internal bubbles and improve the bonding effect;
[0025] 2. Through the arrangement of the hydraulic pump, hydraulic rod, connecting frame and mounting frame, compared with the prior art, the hydraulic rod can be pressed down or retracted by the operation of the hydraulic pump, so that the bottom pressing height and the squeezing force of the flattening column on the synthetic leather can be adjusted, so that synthetic leathers of different thicknesses can be squeezed and bonded, and the squeezing force can be adjusted conveniently to improve the bonding quality. At the same time, the top of the connecting plate is bolted to the connecting frame at multiple points to make the connection of the connecting frame to the connecting plate more balanced and stable, so that when the flattening column at the bottom is pressed down onto the synthetic leather, the squeezing force can be uniform, and the side panels are arranged to protect the movement of the two flattening columns to avoid external interference. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0027] Figure 2 It is a schematic diagram of the connection structure between the lifting mechanism and the mounting frame of the utility model.
[0028] Figure 3 It is a schematic diagram of the connection structure between the mounting frame and the bonding mechanism of the utility model.
[0029] Figure 4 It is a structural schematic diagram of the bonding mechanism of the utility model.
[0030] Figure 5 It is a schematic diagram of the installation structure at both ends of the flattening column of the utility model.
[0031] The accompanying drawings are marked as follows: 1. workbench; 2. pillar; 3. top plate; 4. lifting mechanism; 401. hydraulic pump; 402. hydraulic rod; 5. connecting frame; 6. mounting frame; 601. connecting plate; 602. side plate; 603. fixing plate; 604. partition; 7. bonding mechanism; 701. motor; 702. first screw rod; 703. second screw rod; 704. guide rod; 705. flattening column; 8. slider; 9. sleeve. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] As attached Figure 1-5 A bonding device for polyurethane synthetic leather shown in the figure comprises a workbench 1, the workbench 1 is connected to a plurality of pillars 2, the plurality of pillars 2 jointly support a top plate 3, a lifting mechanism 4 is installed on the top plate 3, a connecting frame 5 is connected to the bottom end of the lifting mechanism 4, a mounting frame 6 is installed at the bottom end of the connecting frame 5, and a bonding mechanism 7 is installed at the bottom of the mounting frame 6.
[0034] When the bonding device for polyurethane synthetic leather is used to extrude and bond the synthetic leather and sponge pad required for making footballs, the synthetic leather and sponge pad that are initially bonded are laid flat on the workbench 1, and the connecting frame 5 is pressed down by the operation of the lifting mechanism 4, so that the two fitted flattening columns 705 are pressed down on the synthetic leather, and the lifting height is adjusted by the lifting mechanism 4 to match the synthetic leather of corresponding thickness, and the extrusion force is adjusted, and then the bonding mechanism 7 is coordinated to operate, so that the two flattening columns 705 are moved to both sides, so that the two flattening columns 705 push the synthetic leather from the middle to both sides, so that the two ends of the synthetic leather are evenly stressed, thereby avoiding bonding misalignment and improving the bonding quality of the synthetic leather.
[0035] As attached Figure 2 As shown, the lifting mechanism 4 includes a hydraulic pump 401, and the hydraulic pump 401 is installed on the top plate 3;
[0036] A hydraulic rod 402 , wherein the top end of the hydraulic rod 402 is connected to the output end of the hydraulic pump 401 , and the bottom end of the hydraulic rod 402 is connected to the connecting frame 5 .
[0037] During specific implementation, the hydraulic pump 401 is operated to press down or retract the hydraulic rod 402, thereby adjusting the bottom pressing height and the squeezing force of the flattening column 705 on the synthetic leather, so that synthetic leathers of different thicknesses can be squeezed and bonded, and the squeezing force can be easily adjusted to improve the bonding quality.
[0038] As attached Figure 3 As shown, the mounting frame 6 includes a connecting plate 601, and the connecting plate 601 is bolted to the bottom end of the connecting frame 5;
[0039] Two side panels 602, each of which is disposed on both sides of the connecting plate 601;
[0040] A fixing plate 603, wherein both ends of the fixing plate 603 are respectively connected to the ends of the two side plates 602;
[0041] The partition plate 604 is installed between the two side plates 602 .
[0042] The partition plate 604 cooperates with the fixing plate 603 to support the bonding mechanism 7 .
[0043] One side of the partition 604 forms a housing, and one end of the bonding mechanism 7 is installed in the housing.
[0044] In specific implementation, the top of the connecting plate 601 is bolted to the connecting frame 5 at multiple points to make the connection between the connecting frame 5 and the connecting plate 601 more balanced and stable, so that when the flattening column 705 at the bottom is pressed down onto the synthetic leather, the squeezing force can be evenly applied, and the side plate 602 is provided to protect the movement of the two flattening columns 705 to avoid external interference.
[0045] As attached Figure 4 and Figure 5 As shown, the bonding mechanism 7 includes a motor 701, and the motor 701 is installed on one side of the partition 604, and the motor 701 is inside the chassis;
[0046] A first screw rod 702, one end of which is connected to an output end of the motor 701;
[0047] A second screw rod 703, one end of which is connected to the other end of the first screw rod 702, and the other end of the second screw rod 703 is rotatably connected to the fixing plate 603, and the threads on the first screw rod 702 and the second screw rod 703 are in opposite directions;
[0048] A guide rod 704, one end of which is connected to the fixing plate 603, and the other end of which is connected to the partition plate 604;
[0049] Two flattening columns 705 , one end of each flattening column 705 is connected and matched with the first screw rod 702 and the second screw rod 703 respectively, and the other end of the two flattening columns 705 is slidably matched with the guide rod 704 .
[0050] A slider 8 is installed at one end of the two flattening columns 705 , and each slider 8 is connected and cooperated with the corresponding first screw rod 702 and second screw rod 703 . A sliding sleeve 9 is installed at the other end of the flattening column 705 , and the sliding sleeve 9 is slidably connected to the guide rod 704 .
[0051] During specific implementation, the motor 701 is operated to enable the first screw rod 702 and the second screw rod 703 to rotate synchronously, so that the two flattening columns 705 are connected to the corresponding screw rods by the slider 8, and the other end sleeve 9 is slidably matched with the guide rod 704, so as to guide the two flattening columns 705 to move so that the two flattening columns 705 can move toward each other, so that when the two flattening columns 705 push the synthetic leather from the middle to both sides, it can avoid bonding misalignment and at the same time, it is beneficial to discharge internal bubbles and improve the bonding effect.
[0052] Working principle of the utility model: when using the bonding device for polyurethane synthetic leather to extrude and bond the synthetic leather and sponge pad required for making football, the synthetic leather and sponge pad that are preliminarily bonded are laid flat on the workbench 1, and the hydraulic pump 401 is operated to make the hydraulic rod 402 press down the connecting frame 5, so that the two fitted flattening columns 705 are pressed down on the synthetic leather, and the motor 701 is operated to make the first screw rod 702 and the second screw rod 703 rotate synchronously, so that the two flattening columns 705 move to both sides, so that the two flattening columns 705 push the synthetic leather from the middle to both sides, so that the two ends of the synthetic leather are evenly stressed, thereby avoiding bonding misalignment and improving the bonding quality of the synthetic leather.
[0053] The utility model can adjust the height of the two flattening columns 705 at the bottom through the setting of the lifting mechanism 4, so that the flattening columns 705 can be convenient for squeezing and bonding synthetic leathers of different thicknesses on the workbench 1, and at the same time, the squeezing force can be adjusted. At the same time, the two flattening columns 705 push from the middle to both sides to balance the force on both ends of the leather, thereby ensuring that the synthetic leather and the sponge pad at the bottom remain still, avoiding misalignment during bonding, thereby improving the bonding quality, and thus also improving the quality of the manufactured football products.
[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A bonding device for polyurethane synthetic leather, comprising a workbench (1), characterized in that: The workbench (1) is connected to a plurality of pillars (2), the plurality of pillars (2) jointly support a top plate (3), a lifting mechanism (4) is installed on the top plate (3), a connecting frame (5) is connected to the bottom end of the lifting mechanism (4), a mounting frame (6) is installed at the bottom end of the connecting frame (5), and a bonding mechanism (7) is installed at the bottom of the mounting frame (6).
2. The bonding device for polyurethane synthetic leather according to claim 1, characterized in that: The lifting mechanism (4) comprises a hydraulic pump (401), and the hydraulic pump (401) is installed on the top plate (3); A hydraulic rod (402), wherein the top end of the hydraulic rod (402) is connected to the output end of the hydraulic pump (401), and the bottom end of the hydraulic rod (402) is connected to the connecting frame (5).
3. The bonding device for polyurethane synthetic leather according to claim 2, characterized in that: The mounting frame (6) comprises a connecting plate (601), and the connecting plate (601) is bolted to the bottom end of the connecting frame (5); Two side plates (602), each of the side plates (602) is respectively arranged on both sides of the connecting plate (601); A fixing plate (603), wherein two ends of the fixing plate (603) are respectively connected to the ends of the two side plates (602); A partition (604) is installed between the two side panels (602).
4. The bonding device for polyurethane synthetic leather according to claim 3, characterized in that: The partition plate (604) cooperates with the fixing plate (603) to support the bonding mechanism (7).
5. The bonding device for polyurethane synthetic leather according to claim 3, characterized in that: One side of the partition (604) forms a machine box, and one end of the bonding mechanism (7) is installed in the machine box.
6. The bonding device for polyurethane synthetic leather according to claim 5, characterized in that: The bonding mechanism (7) comprises a motor (701), wherein the motor (701) is installed on one side of the partition (604), and the motor (701) is located in the chassis; A first screw rod (702), one end of which is connected to an output end of the motor (701); A second screw rod (703), one end of the second screw rod (703) is connected to the other end of the first screw rod (702), the other end of the second screw rod (703) is rotatably connected to the fixed plate (603), and the directions of the threads on the first screw rod (702) and the second screw rod (703) are opposite; A guide rod (704), one end of the guide rod (704) is connected to the fixed plate (603), and the other end of the guide rod (704) is connected to the partition plate (604); Two flattening columns (705), one end of each flattening column (705) is connected and matched with the first screw rod (702) and the second screw rod (703) respectively, and the other ends of the two flattening columns (705) are slidably matched with the guide rod (704).
7. The bonding device for polyurethane synthetic leather according to claim 6, characterized in that: A slider (8) is installed at one end of each of the two flattening columns (705), and each of the sliders (8) is respectively connected and cooperated with the corresponding first screw rod (702) and second screw rod (703). A sliding sleeve (9) is installed at the other end of the flattening column (705), and the sliding sleeve (9) is slidably connected to the guide rod (704).
Citation Information
Patent Citations
Polyurethane synthetic leather processing and pressing device
CN219650603U
Cited By
Bonding device for polyurethane synthetic leather
CN224224564U