Automatic heat pressing device for leather bonding

Abstract

The utility model discloses an automatic hot pressing device for leather bonding, which relates to the technical field of leather hot pressing. It includes a jig for placing leather and workpieces to be bonded together; a primary folding mechanism for pressing the workpiece into a receiving groove; a secondary folding mechanism for folding the part of the leather that is higher than the receiving cavity to bond to the top of the workpiece, and a hot pressing hole is provided on the pressure plate; a hot pressing mechanism for hot pressing the leather after folding to bond the leather to the workpiece, the hot pressing mechanism includes an initial pressing component for hot pressing the leather through the hot pressing hole on the folding plate and a final pressing component for hot pressing the leather bonded to the top of the workpiece as a whole. The beneficial effect of the utility model is that the leather is initially hot pressed by the initial pressing component to prevent the leather from being separated from the top of the workpiece after the secondary folding mechanism is reset, thereby affecting the accuracy of the subsequent hot pressing of the final pressing component.

Description

Technical Field

[0001] The utility model relates to the technical field of leather hot pressing, in particular to an automatic hot pressing device for leather bonding. Background Art

[0002] At present, some workpieces on the market are wrapped with leather, which can play a good protective role. Since leather materials have certain toughness and wear resistance, they can effectively resist external impact and friction and protect items from damage. Leather wrapping can also play a decorative role. Leather materials have unique texture and color, which can add beauty and fashion to items. This can not only improve its practicality, but also increase the overall fashion atmosphere.

[0003] However, in the current leather product production process, leather is usually wrapped manually on the surface of the workpiece and then placed on a hot pressing device for hot pressing to make the leather and the workpiece tightly connected. Manual packaging and placing on the hot pressing device has obvious low operating efficiency and the connection between the thick leather and the workpiece is loose when the workpiece is placed under the hot pressing device, resulting in poor wrapping effect of the workpiece after hot pressing. Utility Model Content

[0004] The utility model aims to provide an automatic hot pressing device for leather bonding to solve the problem in the prior art that the connection between thick leather manually packed and placed under a hot pressing device and the workpiece is loose, resulting in poor wrapping effect of the workpiece after hot pressing.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: an automatic hot pressing device for leather bonding, comprising:

[0006] A jig is used to place the leather and workpiece that are bonded together, and the jig is provided with a receiving groove that matches the specifications of the workpiece;

[0007] The one-time pressing mechanism is used to press the workpiece into the receiving groove so that the upper surface of the workpiece is flush with the upper surface of the fixture and the leather is folded to wrap the side wall of the workpiece; it ensures the initial combination of the leather and the workpiece, and fixes the workpiece and the leather to provide a basis for subsequent hot pressing;

[0008] The secondary folding mechanism is installed on the jig and consists of a plurality of folding plates and a secondary driving structure that cooperate with each other. The secondary driving structure is used to drive the folding plates to move closer to the jig. During the process of moving closer, the folding plates bend the folded leather so that the part of the leather that is higher than the accommodating cavity is folded and attached to the top of the workpiece. The folding plates are provided with hot pressing holes.

[0009] The hot pressing mechanism is used to hot press the leather after folding so that the leather and the workpiece are bonded together. The hot pressing mechanism includes a primary pressing component that passes through the hot pressing hole to hot press the leather and a final pressing component that hot presses the leather bonded to the top of the workpiece as a whole. The initial hot pressing of the leather by the primary pressing component prevents the leather from being separated from the top of the workpiece after the secondary folding mechanism is reset, thereby affecting the accuracy of the subsequent hot pressing of the final pressing component.

[0010] The workpiece is pressed into the receiving groove by the primary folding mechanism so that the upper surface of the workpiece is flush with the upper surface of the fixture, ensuring that the leather at the lower end of the workpiece is turned over to wrap the side wall of the workpiece. At the same time, the folded leather is bent by the secondary folding mechanism to fit it to the top of the workpiece, thereby ensuring the accuracy and aesthetics of the wrapping. Finally, the leather and the workpiece are bonded together by the cooperation of the hot pressing mechanism and the secondary folding mechanism. The entire wrapping process is automatically completed by the device, which is easy to operate, reduces the impact of human factors on the wrapping quality, and improves production efficiency and product quality.

[0011] Furthermore, the initial pressing assembly includes a lifting frame, an initial pressing block, and an initial pressing protrusion arranged on the initial pressing block and adapted to the hot pressing hole. The lifting frame is used to drive the initial pressing block to move toward the folding plate so that the initial pressing protrusion is inserted into the hot pressing hole to perform hot pressing on the leather. Through the movement of the lifting frame, the position of the initial pressing block can be controlled to ensure that the initial pressing protrusion can be accurately inserted into the hot pressing hole to achieve hot pressing on the leather.

[0012] Furthermore, the lifting frame includes a lifting drive, a support frame and a movable plate installed on the support frame, wherein the lifting drive is vertically installed at the top of the support frame, and the output shaft head of the lifting drive passes through the inner side of the support frame and is fixedly connected to the movable plate. The lifting drive is vertically installed at the top of the support frame. This vertical arrangement can ensure the stability and verticality of the lifting movement, thereby ensuring the precise movement of the initial pressure block in the vertical direction. The support frame and the movable plate serve as the supporting structure of the lifting frame, and their stable structure can ensure the stability and reliability of the lifting movement, thereby improving the working stability and safety of the entire device.

[0013] Furthermore, the final pressure assembly includes a final pressure driving member, a guide structure and a final pressure block. The final pressure driving member and the guide structure are both vertically mounted on the movable plate, penetrate the inner side of the movable plate and are connected to the final pressure block. The final pressure block is provided with an initial pressure receiving groove for accommodating the initial pressure block and a through groove for the initial pressure protrusion to pass through. The initial pressure receiving groove is connected to the through groove. The structure is relatively simple and easy to operate and maintain. It is convenient to adjust the processing parameters and maintain the equipment, which is conducive to improving the reliability and stability of the equipment.

[0014] Furthermore, the jig includes a jig base plate, a floating suction cup and a limit frame, a floating suction cup that can be moved up and down is arranged in the limit frame, and the limit frame and the floating suction cup are both installed on the jig base plate, and a receiving groove is provided between the upper surface of the limit frame and the upper surface of the floating suction cup.

[0015] The fixture structure has the advantages of stable fixation, flexible adjustment, precise positioning, easy maintenance and high applicability through the design of the base plate, floating suction cup and limit frame. It is suitable for positioning and fixing when wrapping workpieces, which helps to improve production efficiency and product quality.

[0016] Furthermore, the one-time folding mechanism includes a folding assembly and a one-time lifting structure, the one-time lifting structure is used to drive the folding assembly to move, and the folding assembly includes:

[0017] A bottom plate, as a carrier, is installed on the primary lifting structure and moves under the drive of the primary lifting structure;

[0018] A folding structure, used to press the workpiece into the receiving groove, the folding structure is composed of a plurality of folding blocks movably mounted on the bottom plate;

[0019] The expansion structure is used to adjust the distance between the folding blocks, thereby adjusting the specifications of the folding structure.

[0020] The extended structure can adjust the distance between the folding blocks, thereby adjusting the specifications of the folding structure to adapt it to workpieces of different sizes and shapes, thereby improving the flexibility and applicability of the equipment and meeting diverse production needs.

[0021] This folding component structure, through the design of the base plate, folding structure and extension structure, has the advantages of flexible adjustment, precise pressing, efficient movement, easy maintenance and strong adaptability, which helps to improve the efficiency and quality of the wrapping process.

[0022] Furthermore, the expansion structure includes an expansion block and an expansion drive member for driving the expansion block to move. The side wall of the expansion block abuts against the folding block, and the side wall of the expansion block is inclined outward so that the cross section of the expansion block gradually expands from top to bottom.

[0023] The side wall of the expansion block is inclined outward, so that the cross section of the expansion block gradually expands from top to bottom. This design can effectively push or retract the folding block when driving the expansion block to move, thereby realizing the expansion function of the folding structure.

[0024] Furthermore, the folding plates are provided with four pieces and are all L-shaped. When the folding plates are driven by the driving structure to abut against each other, they form a square frame, and a folding groove with a specification smaller than the accommodating groove is provided in the square frame.

[0025] The L-shaped design of the folding plate can effectively utilize the space, so that the entire device can complete the folding task while occupying a small space. This is especially important when the workshop or production line has limited space, which can improve production efficiency and space utilization.

[0026] Furthermore, the present invention also includes a positioning mechanism for transporting the leather and workpiece bonded together to the jig, and the positioning mechanism is used to automatically transport and align the leather and workpiece bonded together, thereby improving production efficiency and work efficiency. No manual intervention is required, and high-speed and accurate transport and alignment operations can be achieved.

[0027] The alignment mechanism comprises:

[0028] A feeding assembly for conveying the leather and workpieces to be bonded together;

[0029] A detection device for detecting the position of the leather and the workpiece on the feeding assembly;

[0030] The adsorption structure is used to adsorb the leather and the workpiece on the feeding component; the adsorption structure can firmly adsorb the leather and the workpiece, ensuring the stability and reliability of the workpiece and the leather during the alignment process.

[0031] An angle adjuster, used to drive the adsorption structure to rotate so that the leather and the workpiece are aligned with the jig;

[0032] The displacement component is used to adjust the position of the angle adjuster in the three-dimensional coordinate system.

[0033] The detection device is used to detect the position of the leather and workpiece on the feeding assembly, the adsorption structure is used to adsorb and maintain the position of the leather and workpiece, and the angle adjuster is used to drive the adsorption structure to rotate so that the leather and workpiece are aligned with the fixture. The displacement component is used to adjust the position of the angle adjuster in the three-dimensional coordinate system to move the workpiece into the fixture. This structure can achieve precise alignment of the leather and workpiece, ensuring accuracy and consistency during the wrapping process.

[0034] After adopting the above technical scheme, the beneficial effect of the utility model is: the leather is initially hot-pressed by the primary pressing component to prevent the leather from being separated from the top of the workpiece after the secondary folding mechanism is reset, thereby affecting the accuracy of the subsequent final pressing component during hot pressing.

[0035] The entire hot pressing process can be completed through mechanical and electrical control without manual operation, which improves production efficiency and consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0037] Figure 1 It is a structural schematic diagram of the utility model.

[0038] Figure 2 It is a structural schematic diagram of the alignment mechanism in the utility model.

[0039] Figure 3 It is a structural schematic diagram of the fixture in the utility model.

[0040] Figure 4 It is a structural schematic diagram of the one-time folding mechanism in the utility model.

[0041] Figure 5 It is a structural schematic diagram of the press-folding assembly in the utility model.

[0042] Figure 6 It is a structural schematic diagram of a cross-sectional view of a press-folding assembly in the utility model.

[0043] Figure 7 It is a structural schematic diagram of the secondary folding mechanism in the unfolded state of the utility model.

[0044] Figure 8 It is a structural schematic diagram of the secondary folding mechanism in the closed state of the utility model.

[0045] Fig. 9 It is a structural schematic diagram of the hot pressing mechanism in the utility model.

[0046] Fig.10 It is a structural schematic diagram of the initial pressure component in the utility model.

[0047] Fig.11 This is a schematic diagram of the structure of the final pressure component in the utility model. Figure 1 .

[0048] Fig.12 This is a schematic diagram of the structure of the final pressure component in the utility model. Figure 2 .

[0049] Fig.13 It is a structural schematic diagram of the final pressing block in the utility model.

[0050] Description of the accompanying drawings: fixture 1, fixture bottom plate 11, floating suction cup 12, limiting frame 13, accommodating groove 14, primary folding mechanism 2, folding assembly 21, bottom plate 211, folding structure 212, folding block 2121, extension structure 213, extension block 2131, extension driving member 2132, primary lifting structure 22, secondary folding mechanism 3, folding plate 31, hot pressing hole 311, folding groove 312, secondary driving structure 32, hot pressing Mechanism 4, initial pressure assembly 41, lifting frame 411, lifting drive 4111, support frame 4112, movable plate 4113, initial pressure block 412, initial pressure protrusion 413, final pressure assembly 42, final pressure drive 421, guide structure 422, final pressure block 423, initial pressure accommodating groove 4231, through groove 4232, alignment mechanism 5, feeding assembly 51, detection device 52, adsorption structure 53, angle adjuster 54, displacement assembly 55. DETAILED DESCRIPTION

[0051] See also Figure 1 As shown, the technical solution adopted in this specific embodiment is: a fully automatic leather wrapping device, which includes: a jig 1, a primary folding mechanism 2, a secondary folding mechanism 3, a hot pressing mechanism 4 and an alignment mechanism 5. In specific operation, the alignment mechanism 5 transports the workpiece to the jig 1, and then the primary folding mechanism 2 presses down the workpiece so that the leather wraps the side wall of the workpiece, and then the secondary folding mechanism 3 performs a secondary folding on the leather folded after the primary folding, so that the part of the leather higher than the accommodating cavity is folded and attached to the top of the workpiece, and then the hot pressing mechanism 4 moves down to hot press the leather after the bending is completed.

[0052] See also Figure 2 As shown, in a specific embodiment:

[0053] The alignment mechanism 5 is used to carry the leather and workpiece that are bonded together to the jig 1. The alignment mechanism 5 realizes automatic carrying and alignment of the leather and workpiece that are bonded together, thereby improving production efficiency and work efficiency. No manual intervention is required, and high-speed and accurate carrying and alignment operations can be achieved.

[0054] More specifically, the alignment mechanism 5 includes:

[0055] A feeding assembly 51, for conveying the leather and the workpiece which are bonded together;

[0056] A detection device 52, used to detect the position of the leather and the workpiece on the feeding assembly 51;

[0057] The adsorption structure 53 is used to adsorb the leather and the workpiece on the feeding component 51; the adsorption structure 53 can firmly adsorb the leather and the workpiece, ensuring the stability and reliability of the workpiece and the leather during the alignment process.

[0058] An angle adjuster 54 is used to drive the adsorption structure 53 to rotate so that the leather and the workpiece are aligned with the fixture 1;

[0059] The displacement component 55 is used to adjust the position of the angle adjuster in the three-dimensional coordinate system.

[0060] See also Figure 3 As shown, in a specific embodiment:

[0061] The jig 1 is used to place leather and workpieces that are fitted together; the jig 1 includes a jig base plate 11, a floating suction cup 12 and a limit frame 13. A floating suction cup 12 that can be moved up and down is arranged in the limit frame 13. By adjusting the position of the suction cup, it can adapt to workpieces of different thicknesses, which increases the flexibility and applicability of the jig 1 and reduces the adjustment cost and time when replacing the workpiece. The limit frame 13 and the floating suction cup 12 are both installed on the jig base plate 11. The base plate 211 provides a stable support foundation, making the overall structure of the jig 1 more solid and not easy to move or shake, which is conducive to maintaining the stable position of the workpiece and leather during operation. Between the upper surface of the limit frame 13 and the upper surface of the floating suction cup 12 is a receiving groove 14. The shape of the receiving groove 14 is the same as that of the workpiece, and the specifications are exactly the same as the specifications of the side wall of the workpiece after wrapping the leather.

[0062] The fixture 1 structure has the advantages of stable fixation, flexible adjustment, precise positioning, easy maintenance and high applicability through the design of the base plate 211, the floating suction cup 12 and the limit frame 13. It is suitable for positioning and fixing when wrapping workpieces, which helps to improve production efficiency and product quality.

[0063] See also Figure 4-6 As shown, in a specific embodiment:

[0064] The primary folding mechanism 2 includes a folding assembly 21 and a lifting structure, wherein the lifting structure is used to drive the folding assembly 21 to move, press the workpiece into the receiving groove 14 so that the upper surface of the workpiece is flush with the upper surface of the fixture 1 and the leather is folded to wrap the side wall of the workpiece.

[0065] The specific folding assembly 21 includes:

[0066] The bottom plate 211 as a carrier is installed on the lifting structure and moves under the drive of the lifting structure.

[0067] The folding structure 212 is used to press the workpiece into the receiving groove 14 , and the folding structure 212 is composed of a plurality of folding blocks 2121 movably mounted on the bottom plate 211 .

[0068] The expansion structure 213 is used to adjust the distance between the folding blocks 2121, thereby adjusting the specifications of the folding structure 212. The expansion structure 213 can adjust the distance between the folding blocks 2121, thereby adjusting the specifications of the folding structure 212, so that it can adapt to workpieces of different sizes and shapes, improve the flexibility and applicability of the equipment, and meet diverse production needs.

[0069] This folding assembly 21 structure, through the design of the base plate 211, the folding structure 212 and the extension structure 213, has the advantages of flexible adjustment, precise pressing, efficient movement, easy maintenance and strong adaptability, which helps to improve the efficiency and quality of the wrapping process.

[0070] More specifically, the expansion structure 213 includes an expansion block 2131 and an expansion drive member 2132 for driving the expansion block 2131 to move. The side wall of the expansion block 2131 abuts against the folding block 2121. This tight connection ensures that the expansion block 2131 maintains a good connection with the folding block 2121 during the movement, thereby achieving precise control of the folding block 2121. The side wall of the expansion block 2131 is tilted outward so that the cross section of the expansion block 2131 gradually expands from top to bottom. This design can effectively push or retract the folding block 2121 when driving the expansion block 2131 to move, thereby achieving the expansion function of the folding structure 212.

[0071] See also Figure 7-8 As shown, in a specific embodiment:

[0072] The secondary folding mechanism 3 is installed on the jig 1 and consists of a plurality of folding plates 31 and a driving structure that cooperate with each other. The driving structure is used to drive the folding plates 31 to move closer to the jig 1. During the process of moving closer, the folding plates 31 bend the folded leather so that the part of the leather that is higher than the accommodating cavity is folded and fits to the top of the workpiece. The secondary folding mechanism 3 is relatively simple and easy to operate and maintain. The folding plates 31 are relatively easy to adjust, which is convenient for adjusting processing parameters and maintaining equipment, and is conducive to improving the reliability and stability of the equipment.

[0073] More specifically, there are four L-shaped folding plates 31, and each of the four folding plates 31 is provided with a hot pressing hole 311. When the four folding plates 31 are driven by their respective driving structures to abut against each other, they form a square frame, and a folding groove 312 having a smaller specification than the accommodating groove 14 is provided in the square frame.

[0074] See also Figure 9-13 As shown, in a specific embodiment:

[0075] The hot pressing mechanism 4 is used to hot press the leather after folding so that the leather and the workpiece are bonded together. The hot pressing mechanism 4 includes a primary pressing component 41 that hot presses the leather through the hot pressing hole 311 on the folding plate 31 and a final pressing component 42 that hot presses the leather bonded to the top of the workpiece as a whole. The initial hot pressing of the leather by the primary pressing component 41 prevents the leather from being separated from the top of the workpiece after the secondary folding mechanism 3 is reset, thereby affecting the accuracy of the subsequent hot pressing of the final pressing component 42.

[0076] The specific initial pressing assembly 41 includes a lifting frame 411, an initial pressing block 412, and an initial pressing protrusion 413 arranged on the initial pressing block 412 and adapted to the hot pressing hole 311. The lifting frame 411 is used to drive the initial pressing block 412 to move toward the folding plate 31, so that the initial pressing protrusion 413 is inserted into the hot pressing hole 311 to perform hot pressing on the leather. Through the movement of the lifting frame 411, the position of the initial pressing block 412 can be controlled to ensure that the initial pressing protrusion 413 can be accurately inserted into the hot pressing hole 311 to achieve hot pressing on the leather.

[0077] More specifically, the lifting frame 411 includes a lifting drive 4111, a support frame 4112, and a movable plate 4113 installed on the support frame 4112. The lifting drive 4111 is vertically installed at the top of the support frame 4112, and the output shaft head of the lifting drive 4111 passes through the inner side of the support frame 4112 and is fixedly connected to the movable plate 4113. The lifting drive 4111 is vertically installed at the top of the support frame 4112. This vertical arrangement can ensure the stability and verticality of the lifting movement, thereby ensuring the precise movement of the initial pressure block 412 in the vertical direction. The support frame 4112 and the movable plate 4113 serve as the supporting structure of the lifting frame 411. Their stable structure can ensure the stability and reliability of the lifting movement, thereby improving the working stability and safety of the entire device.

[0078] The specific final pressure assembly 42 includes a final pressure driving member 421, a guide structure 422 and a final pressure block 423. The final pressure driving member 421 and the guide structure 422 are both vertically mounted on the movable plate 4113, and penetrate the inner side of the movable plate 4113 and are connected to the final pressure block 423. The final pressure block 423 is provided with an initial pressure accommodating groove 4231 for accommodating the initial pressure block 412 and a through groove 4232 for the initial pressure protrusion 413 to pass through. The initial pressure accommodating groove 4231 is connected to the through groove 4232. The structure is relatively simple and easy to operate and maintain. It is convenient to adjust the processing parameters and maintain the equipment, which is conducive to improving the reliability and stability of the equipment.

[0079] The working principle of the utility model is as follows: first, the leather pre-bonded to the bottom of the workpiece is transported by the feeding assembly 51 to the bottom of the detection device 52. The detection device 52 is used to detect the position of the leather and the workpiece on the feeding assembly 51, and then the adsorption structure 53 moves down to adsorb the leather and the workpiece. After the adsorption is completed, the angle adjuster 54 rotates to align the angle of the leather and the workpiece with the receiving groove 14 on the fixture 1. After the alignment is completed, the displacement assembly 55 adjusts the position of the angle adjuster in the three-dimensional coordinate system to transfer the workpiece into the fixture 1.

[0080] After the workpiece and the leather are placed in the jig 1, the lifting structure drives the folding assembly 21 to move downward, pressing the workpiece placed on the jig 1 into the receiving groove 14 so that the upper surface of the workpiece is flush with the upper surface of the jig 1 and the leather is folded to wrap the side wall of the workpiece. In this way, one folding in the wrapping process is completed.

[0081] After the first folding is completed, the first folding mechanism 2 and the second folding mechanism 3 cooperate with each other to fold the part of the leather that is higher than the accommodating cavity to fit the top of the workpiece. The specific driving structure drives the folding plate 31 to move closer to the fixture 1. When the folding plate 31 contacts the leather, the expansion block 2131 retracts to reduce the distance between the folding blocks 2121. The folding blocks 2121 retract into the fixture 1, and the folding plate 31 moves toward the inside of the fixture 1 following the retraction of the expansion block 2131 until the second folding in the wrapping process is completed.

[0082] After the secondary folding, the leather and the workpiece are transported to the bottom of the support frame 4112, and then the lifting drive 4111 drives the initial pressing assembly 41 and the final pressing assembly 42 installed on the movable plate 4113 to move downward at the same time, until the initial pressing protrusion 413 passes through the hot pressing hole 311 on the folding plate 31 to preliminarily hot press and pre-fix the leather. After the pre-fixing is completed, the secondary folding mechanism 3 is reset to release the pressing and resetting of the leather, and then the final pressing drive 421 drives the final pressing block 423 to move downward until the hot pressing end face of the final pressing block 423 is completely in contact with the leather, and the leather is hot pressed to make the leather and the workpiece bonded together.

[0083] After the hot pressing is completed, the hot pressing mechanism 4 is reset, and the floating suction cup 12 rises to eject the wrapped workpiece from the receiving groove 14 .

[0084] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. An automatic hot pressing device for leather bonding, characterized in that: include A jig (1) is used to place the leather and the workpiece that are bonded together, and the jig (1) is provided with a receiving groove (14) that matches the specifications of the workpiece; A primary folding mechanism (2) is used to press the workpiece into the receiving groove (14) so ​​that the upper surface of the workpiece is flush with the upper surface of the fixture (1) and the leather is folded to wrap around the side wall of the workpiece; A secondary folding mechanism (3) is installed on the jig (1) and is composed of a plurality of folding plates (31) and a secondary driving structure (32) that cooperate with each other. The secondary driving structure (32) is used to drive the folding plates (31) to move closer to the jig (1). During the process of moving closer, the folding plates (31) bend the folded leather so that the part of the leather that is higher than the accommodating cavity is folded and attached to the top of the workpiece. The folding plates (31) are provided with hot pressing holes (311); A hot pressing mechanism (4) is used to hot press the folded leather so that the leather is bonded to the workpiece. The hot pressing mechanism (4) comprises an initial pressing component (41) for hot pressing the leather through a hot pressing hole (311) on a folding plate (31) and a final pressing component (42) for hot pressing the entire leather bonded to the top of the workpiece.

2. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: The initial pressing assembly (41) comprises a lifting frame (411), an initial pressing block (412), and an initial pressing protrusion (413) arranged around the initial pressing block (412) and adapted to the hot pressing hole (311); the lifting frame (411) is used to drive the initial pressing block (412) to move toward the folding plate (31) so that the initial pressing protrusion (413) is inserted into the hot pressing hole (311) to perform hot pressing on the leather.

3. The automatic heat pressing device for leather bonding according to claim 2, characterized in that: The lifting frame (411) comprises a lifting drive member (4111), a support frame (4112) and a movable plate (4113) installed on the support frame (4112); the lifting drive member (4111) is vertically installed on the top of the support frame (4112), and the output shaft head of the lifting drive member (4111) passes through the inner side of the support frame (4112) and is fixedly connected to the movable plate (4113).

4. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: The final pressure assembly (42) comprises a final pressure driving member (421), a guide structure (422) and a final pressure block (423); the final pressure driving member (421) and the guide structure (422) are both vertically mounted on the movable plate (4113), penetrate the inner side of the movable plate (4113) and are connected to the final pressure block (423); the final pressure block (423) is provided with an initial pressure accommodating groove (4231) for accommodating the initial pressure block (412) and a through groove (4232) for the initial pressure protrusion (413) to pass through; the initial pressure accommodating groove (4231) is in communication with the through groove (4232).

5. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: The jig (1) comprises a jig base plate (11), a floating suction cup (12) and a limit frame (13); a floating suction cup (12) which can be displaced up and down is arranged in the limit frame (13); the limit frame (13) and the floating suction cup (12) are both mounted on the jig base plate (11); and a receiving groove (14) is provided between the upper surface of the limit frame (13) and the upper surface of the floating suction cup (12).

6. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: The one-time folding mechanism (2) comprises a folding assembly (21) and a one-time lifting structure (22), wherein the one-time lifting structure (22) is used to drive the folding assembly (21) to move, and the folding assembly (21) comprises: A bottom plate (211), serving as a carrier, wherein the bottom plate (211) is installed on the primary lifting structure (22) and moves under the drive of the primary lifting structure (22); A folding structure (212) is used to press the workpiece into the receiving groove (14), wherein the folding structure (212) is composed of a plurality of folding blocks (2121) movably mounted on the bottom plate (211); The expansion structure (213) is used to adjust the distance between the folding blocks (2121), thereby adjusting the specifications of the folding structure (212).

7. The automatic heat pressing device for leather bonding according to claim 6, characterized in that: The expansion structure (213) comprises an expansion block (2131) and an expansion driving member (2132) for driving the expansion block (2131) to move; the side wall of the expansion block (2131) abuts against the folding block (2121), and the side wall of the expansion block (2131) is inclined outward so that the cross section of the expansion block (2131) gradually expands from top to bottom.

8. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: The folding plates (31) are provided with four pieces and are all L-shaped. When the folding plates (31) are abutted against each other under the drive of the driving structure, they form a square frame, and a folding groove (312) with a smaller specification than the accommodating groove (14) is provided in the square frame.

9. The automatic heat pressing device for leather bonding according to claim 1, characterized in that: It also includes a positioning mechanism (5) for moving the leather and the workpiece bonded together to the jig (1), and the positioning mechanism (5) includes: A feeding assembly (51) for conveying the leather and the workpiece which are bonded together; A detection device (52) for detecting the positions of the leather and the workpiece on the feeding assembly (51); A suction structure (53) for sucking leather and workpieces on the feeding assembly (51); An angle adjuster (54) is used to drive the adsorption structure (53) to rotate so that the leather and the workpiece are aligned with the jig (1); The displacement component (55) is used to adjust the position of the angle adjuster in the three-dimensional coordinate system.

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