Leather sheath edge folding device and edge folding process for miao-control keyboard

Abstract

The invention relates to the technical field of leather sheath edge folding, in particular to a leather sheath edge folding device for a wonderful control keyboard and an edge folding technology.The leather sheath edge folding device comprises a workbench, the side wall of the top of the workbench is provided with a conveying belt used for conveying a shell and a leather sheath, the top of the inner wall of the workbench is fixedly connected with a downward-pressing air cylinder, and one end of the downward-pressing air cylinder is fixedly connected with a hot-pressing upper die plate; the bottom of the inner wall of the workbench is fixedly connected with an edge folding plate, the middle of the top of the edge folding plate is fixedly connected with a lower die negative pressure plate, the top of the edge folding plate is provided with an edge folding mechanism used for folding the edges of the leather sheaths, and the side wall, close to the edge folding plate, of the bottom of the inner wall of the workbench is provided with a feeding and discharging mechanism used for feeding and discharging the leather sheaths. Compared with the prior art, the steps of manual adjustment and manual operation are effectively reduced, the production efficiency is remarkably improved, and the limitation that products are manually placed and taken out in traditional equipment is overcome.

Description

Technical Field

[0001] The present invention relates to the technical field of leather cover folding, and in particular to a leather cover folding device and folding process for a Magic Keyboard. Background Art

[0002] With the popularity of electronic devices, especially the widespread use of various portable electronic devices, the market demand for protective covers for these devices is increasing. As a high-end accessory launched by Apple, Magic Keyboard is widely loved by users. In order to extend the service life of the Magic Keyboard, many users choose to equip it with a protective cover, which is usually made of leather, textiles, plastics and other materials, and the edges of the protective cover need to be folded. When the protective cover needs to be produced, glue is applied to the leather cover and fixed to the protective shell, and then the subsequent hot pressing folding operation is performed to ensure the beauty and durability of the product.

[0003] A Chinese patent discloses: a folding machine for leather production, patent announcement number: CN221479956U, the patent "includes a table top, and also includes: an integrated component, the integrated component includes a first bracket, a second bracket is installed on one side of the first bracket, a slider is provided on one side of the first bracket and the second bracket, a slide groove is provided on one side of the first bracket, a limit block is installed for internal sliding of the slide groove, a glue bucket is installed on one side of the limit block, a material pipe is provided on one side of the glue bucket, a glue dispenser is installed on one side of the glue bucket, and a telescopic rod is installed on one side of the limit block".

[0004] Although the gluing device and the folding device of the equipment are linked and integrated through the first bracket and the second bracket, so as to perform gluing and folding operations on the leather, the folding device can only fold the leather on one side, resulting in that only one side of the leather case can be folded each time. In order to complete the processing of the entire leather case, it is necessary to manually adjust the position of the material repeatedly and perform multiple folding operations in succession, which greatly increases the complexity and time cost of the production process and reduces production efficiency, making it difficult to ensure the consistency of the folding effect and the product yield. At the same time, the folding machine relies on manual operation to complete the placement and removal of the leather, which not only increases the labor cost, but also greatly reduces the production efficiency and is inconvenient to use. Summary of the invention

[0005] In view of this, the purpose of the present invention is to propose a leather cover folding device and folding process for a Magic Keyboard, so as to solve the problem that only one side of the leather cover can be folded at a time, and the folding machine relies on manual operation to complete the placement and removal of leather, which not only increases labor costs, but also greatly reduces production efficiency, and increases the complexity of the production process and the time cost.

[0006] Based on the above-mentioned purpose, the present invention provides a leather case folding device for a Magic Control Keyboard, comprising a workbench, the top side walls of the workbench are provided with a conveyor belt for conveying a shell and a leather case, the top of the inner wall of the workbench is fixedly connected with a downward pressure cylinder, one end of the downward pressure cylinder is fixedly connected with a hot pressing upper template, the bottom of the inner wall of the workbench is fixedly connected with a folding plate, the top middle part of the folding plate is fixedly connected with a lower mold negative pressure plate, the top of the folding plate is provided with a folding mechanism for folding the leather case, and the bottom of the inner wall of the workbench near the side wall of the folding plate is provided with a loading and unloading mechanism for loading and unloading the leather case.

[0007] Preferably, the folding mechanism includes a plurality of equidistant vacuum suction nozzles provided on the top of the lower mold negative pressure plate, a vacuum groove is provided inside the lower mold negative pressure plate, the bottom of the vacuum suction nozzle is connected to the top of the vacuum groove, and two relatively arranged lifting and positioning frames are slidably connected on both sides of the top of the lower mold negative pressure plate, and both ends of the lifting and positioning frames on the opposite sides are fixedly connected with electric telescopic rods, and a first telescopic cylinder is fixedly connected to the four corners of the top of the folding plate near the lower mold negative pressure plate, and the output end of the first telescopic cylinder is fixedly connected to a first folding push block, and a triangular groove is provided at one end of the first folding push block, and the first folding push block is slidably connected to the top of the folding plate, and the top of the folding plate is fixedly connected to the two sides of the lower mold negative pressure plate with a second telescopic cylinder, and the output end of the second telescopic cylinder is fixedly connected to a second folding push block.

[0008] Preferably, the loading and unloading mechanism includes a vertical plate, which is fixedly connected to the bottom of the inner wall of the workbench, and the side wall of the vertical plate is provided with a guide groove, and the guide groove is L-shaped. The side wall of the vertical plate is slidably connected to a push plate, and the side wall of the push plate is provided with a connecting groove. The inside of the guide groove is slidably connected to a first slider, and the side wall of the first slider is fixedly connected to a connecting rod, and the outer wall of the connecting rod at one end close to the first slider is rotatably connected to a rotating sleeve, and the rotating sleeve is slidably connected in the connecting groove, one end of the connecting rod is fixedly connected to a support rod, and one end of the support rod is fixedly connected to a vacuum suction cup, and the side wall of the push plate is fixedly connected to a telescopic spring, and one end of the telescopic spring is fixedly connected to the side wall of the vertical plate.

[0009] Preferably, the side wall of the vertical plate is fixedly connected with a double-ring rod, and the side wall of the push plate is fixedly connected with a pull rope, one end of the pull rope passes through both ends of the double-ring rod and is fixedly connected to the side wall of the hot pressing upper template.

[0010] Preferably, the side wall of the pushing plate is fixedly connected with a fixing rod, one end of the fixing rod is fixedly connected with a connecting cylinder, the interior of the connecting cylinder is slidably connected with a unloading pushing block, the top of the unloading pushing block and the top of the inner wall of the connecting cylinder are fixedly connected with an extrusion spring, the side wall of the unloading pushing block is rotatably connected with a rotating roller, the side wall of the vertical plate is fixedly connected with a fixing plate, the top of the fixed plate is slidably connected with a pushing slide plate, the top of the pushing slide plate is fixedly connected with a unloading extrusion plate, the rotating roller and the unloading extrusion plate contact each other, the unloading extrusion plate is inclined, and the side of the pushing slide plate close to the folding plate is fixedly connected with a unloading push rod, and both sides of the unloading push rod are fixedly connected with tension springs, and one end of the tension spring is fixedly connected to the side wall of the vertical plate.

[0011] Preferably, the side wall of the support rod is fixedly connected to a pressing support frame, the side wall of the pressing support frame is provided with a slider groove, the interior of the slider groove is slidably connected to a second slider, a reciprocating spring is fixedly connected between the top of the inner wall of the slider groove and the top of the second slider, and the side wall of the second slider is rotatably connected to a clamping roller.

[0012] Preferably, a rolling plate is fixedly connected to the side wall of the lower die negative pressure plate, the rolling plate is inclined, and a plurality of rollers evenly and equidistantly arranged are rotatably connected to the top of the rolling plate.

[0013] Preferably, the side wall of the discharge squeezing plate is provided with an inclined slope, and the slope is in contact with the bottom of the discharge pushing block.

[0014] Preferably, the pressure roller is made of a flexible material.

[0015] A folding process for a leather cover for a Magic Keyboard, using the above-mentioned folding device for a leather cover for a Magic Keyboard, comprises the following steps:

[0016] S1. Loading: First, place the fixed leather cover and shell on the conveyor belt, and transport the leather cover to the side wall close to the lower mold negative pressure plate through the conveyor belt. The product is sucked by the vacuum suction cup. When the lower pressure cylinder drives the hot pressing upper template to rise, pull the pull rope and drive the push plate to slide along the side wall of the vertical plate. Then the push plate drives the vacuum suction cup that sucks the leather cover to move to the top of the lower mold negative pressure plate through the connecting rod, and then close the vacuum suction cup, and the leather cover falls to the top of the lower mold negative pressure plate, thereby completing the loading operation.

[0017] S2. Fixing: Connect the output end of the external vacuum pump to the bottom of the vacuum tank, then start the vacuum pump. The vacuum pump generates suction through the vacuum nozzle to fix the product on the top of the lower mold negative pressure plate.

[0018] S3. Pressing: The upper hot pressing template is pressed down, and the pull rope will be released after the upper hot pressing template is pressed down. Then the telescopic spring will squeeze the push plate to move away from the negative pressure plate of the lower mold. At this time, it will drive the pressing support frame to return. When the pressing support frame returns, it will drive the pressing roller to press the product placed on the top of the negative pressure plate of the lower mold.

[0019] S4, preliminary folding and hot pressing: Start the electric telescopic rod, which drives the lifting and positioning frame to rise, so that the exposed part around the leather cover is bent. Next, start the first telescopic cylinder and the second telescopic cylinder, respectively drive the first folding push block and the second folding push block to perform preliminary hot pressing on the four corners and the leather covers on both sides of the product. The first folding push block performs hot pressing on the four corners, and the second folding push block performs hot pressing on the leather covers on both sides, so that the leather covers are firmly attached to the side wall of the shell, completing the preliminary folding and fixing.

[0020] S5, final folding and hot pressing: After the lifting and positioning frame is retracted, the downward pressure cylinder is started to drive the upper hot pressing template to move downward, and the upper hot pressing template fits with the top of the lower mold negative pressure plate to complete the final hot pressing process.

[0021] S6. Unloading: During the next loading, the pushing plate drives the fixed rod to move, the fixed rod drives the unloading push block to move, the unloading push block drives the rotating roller to move and contact with the unloading extrusion plate, when the rotating roller contacts the unloading extrusion plate, it will squeeze the unloading extrusion plate, when the unloading extrusion plate is squeezed, it will slide on the top of the fixed plate and stretch the tension spring, then the unloading push rod will push the folded product on the top of the lower die negative pressure plate to slide to the top of the rolling plate, by placing a container at one end of the rolling plate, the product will be slid into the container through the rolling plate for storage.

[0022] Beneficial effects of the present invention:

[0023] 1. The folding device and folding process of the leather cover for the Magic Keyboard, through the folding mechanism and the loading and unloading mechanism, the fixed leather cover and shell are moved to the top of the lower mold negative pressure plate, and then connected to the bottom of the vacuum groove through an external vacuum pump, so that the vacuum nozzle generates suction, and the product is firmly adsorbed on the top of the lower mold negative pressure plate, ensuring that it will not move during folding, and then the four corners and two sides of the product are subjected to preliminary hot pressing treatment through the lifting positioning frame and the first folding push block and the second folding push block, so that the leather cover is firmly attached to the side wall of the shell, thereby realizing the preliminary folding and fixing of the leather cover, and then the upper hot pressing template is moved downward, and the upper hot pressing template is attached to the top of the lower mold negative pressure plate to complete the final hot pressing treatment. Through this multi-stage folding and hot pressing treatment, the leather cover can be completely and evenly folded and fixed, which effectively reduces the steps of manual adjustment and manual operation, significantly improves production efficiency, and avoids the problem of uneven folding caused by product movement or displacement, thereby ensuring the consistency of folding effect and product yield.

[0024] 2. The folding device and folding process of the leather cover for the Magic Keyboard. In the loading and unloading mechanism, by linking with the hot pressing upper template, the push plate will be pulled when the hot pressing upper template rises, and the push plate will drive the connecting rod to move. When the connecting rod moves, it will drive the vacuum suction cup that sucks the leather cover to move to the top of the lower mold negative pressure plate through the support rod, and then close the vacuum suction cup to release the suction of the product, and then the product will fall to the top of the lower mold negative pressure plate, and then the leather cover will be folded by the folding mechanism. When the folding is completed, when loading again, the push plate will drive the fixed rod and the unloading push block to move, and the unloading push block will drive the rotating roller to squeeze the unloading squeeze plate, so that the unloading push rod pushes the folded product through the rolling plate to slide into the storage container, thereby completing the loading and unloading. The loading and unloading mechanism does not require manual participation, and the loading and unloading operations of the product are completed through mechanical linkage. The whole process is smooth and efficient, which solves the limitation of traditional equipment that relies on manual placement and removal of products, not only reduces labor costs, but also greatly improves the degree of automation of the production line, greatly improves production efficiency, and is easy to use.

[0025] 3. The folding device and folding process of the leather cover for the Magic Keyboard will press down through the hot pressing upper template, and the pull rope will be released after the hot pressing upper template is pressed down. Then the telescopic spring will squeeze the push plate to move away from the lower mold negative pressure plate, and then it will drive the pressing support frame to return. When the pressing support frame returns, it will drive the clamping roller to press the product placed on the top of the lower mold negative pressure plate. When pressing the product, the reciprocating spring will squeeze the second slider, which can effectively avoid the formation of gaps between the leather cover and the shell, thereby ensuring that the leather cover is tightly wrapped on the shell and enhancing the overall firmness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present invention or 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 in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the hot pressing upper template of the present invention;

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the folding mechanism of the present invention;

[0030] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the negative pressure plate of the lower mold of the present invention;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the loading and unloading mechanism of the present invention;

[0032] Figure 6 This is a schematic diagram of the three-dimensional structure of the push plate and the pressure roller of the present invention;

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of the double-ring rod and the pull rope of the present invention;

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of the push slide plate and the discharge extrusion plate of the present invention;

[0035] Fig. 9 For the present invention Figure 6 A in the middle is an enlarged schematic diagram of the three-dimensional structure.

[0036] The markings in the figure are:

[0037] 1. Workbench; 2. Conveyor belt; 3. Down-pressing cylinder; 4. Hot pressing upper template; 5. Folding plate; 6. Lower mold negative pressure plate; 7. Vacuum nozzle; 8. Vacuum slot; 9. Lifting and positioning frame; 10. Electric telescopic rod; 11. First telescopic cylinder; 12. First folding push block; 13. Second telescopic cylinder; 14. Second folding push block; 15. Vertical plate; 16. Guide groove; 17. Push plate; 18. Connecting groove; 19. First slider; 20. Connecting rod; 21. Rotating Moving sleeve wheel; 22, support rod; 23, vacuum suction cup; 24, telescopic spring; 25, double ring rod; 26, pull rope; 27, fixed rod; 28, connecting tube; 29, unloading push block; 30, extrusion spring; 31, rotating roller; 32, push slide plate; 33, unloading extrusion plate; 34, unloading push rod; 35, pressing support frame; 36, slider groove; 37, second slider; 38, reciprocating spring; 39, clamping roller; 40, rolling plate; 41, tension spring. DETAILED DESCRIPTION

[0038] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0039] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0040] like Figures 1 to 9 As shown, a leather cover folding device for a Magic Control Keyboard comprises a workbench 1, the top side wall of the workbench 1 is provided with a conveyor belt 2 for conveying a shell and a leather cover, a downward pressure cylinder 3 is fixedly connected to the top of the inner wall of the workbench 1, one end of the downward pressure cylinder 3 is fixedly connected to a hot pressing upper template 4, a folding plate 5 is fixedly connected to the bottom of the inner wall of the workbench 1, a lower mold negative pressure plate 6 is fixedly connected to the top middle part of the folding plate 5, a folding mechanism for folding the leather cover is provided on the top of the folding plate 5, and a loading and unloading mechanism for loading and unloading the leather cover is provided on the side wall of the bottom of the inner wall of the workbench 1 near the folding plate 5.

[0041] For further information, see Attachment Figures 2 to 4 As shown, the folding mechanism includes a plurality of equidistant vacuum suction nozzles 7 provided on the top of the lower die negative pressure plate 6, a vacuum groove 8 is provided inside the lower die negative pressure plate 6, the bottom of the vacuum suction nozzle 7 is connected to the top of the vacuum groove 8, two lifting and positioning frames 9 are slidably connected to the top of the lower die negative pressure plate 6 on both sides, and the two ends of the lifting and positioning frames 9 on the opposite sides are fixedly connected to electric telescopic rods 10, a first telescopic cylinder 11 is fixedly connected to the four corners of the top of the folding plate 5 near the lower die negative pressure plate 6, the output end of the first telescopic cylinder 11 is fixedly connected to a first folding push block 12, one end of the first folding push block 12 is provided with a triangular groove, the first folding push block 12 is slidably connected to the top of the folding plate 5, the top of the folding plate 5 near the two sides of the lower die negative pressure plate 6 is fixedly connected to the second telescopic cylinder 13, and the output end of the second telescopic cylinder 13 is fixedly connected to the second folding push block 14;

[0042] When the folding mechanism is in use, first turn on the power, move the leather cover and shell fixed together to the top of the lower mold negative pressure plate 6 by loading and unloading, and then connect the output end of the external vacuum pump to the bottom of the vacuum groove 8, and then start the vacuum pump. The vacuum pump generates suction through the vacuum suction nozzle 7 to fix the product on the top of the lower mold negative pressure plate 6, and then start the electric telescopic rod 10. The electric telescopic rod 10 drives the lifting and positioning frame 9 to rise, so that the leather cover leaking around the product is bent 90 degrees, and then start the first telescopic cylinder 11 and The second telescopic cylinder 13 drives the first folding push block 12 and the second folding push block 14 to perform preliminary hot pressing. The first folding push block 12 performs hot pressing on the four corners of the product. The second telescopic cylinder 13 performs hot pressing on the leather covers on both sides of the product to fix the leather covers on the side walls of the shell. After the lifting and positioning frame 9 is retracted, the downward pressure cylinder 3 is started to drive the hot pressing upper template 4 to move downward, so that the hot pressing upper template 4 is fitted with the top of the lower mold negative pressure plate 6, thereby hot pressing the leather cover, and then completely folding the edge, and then the vacuum pump is turned off to release the limit on the product. The folding mechanism is used to move the leather cover and the shell body fixed together to the top of the lower mold negative pressure plate 6 by cooperating with the loading and unloading mechanism, and then the external vacuum pump is connected to the bottom of the vacuum groove 8 to make the vacuum nozzle 7 generate suction to firmly adsorb the product on the top of the lower mold negative pressure plate 6, ensuring that it will not move during folding. Then, the four corners and two sides of the product are subjected to preliminary hot pressing treatment by the lifting and positioning frame 9 and the first folding push block 12 and the second folding push block 14, so that the leather cover is firmly attached to the side wall of the shell, thereby realizing the preliminary folding and fixing of the leather cover, and then the hot pressing upper template 4 is moved downward, and the hot pressing upper template 4 is attached to the top of the lower mold negative pressure plate 6 to complete the final hot pressing treatment. Through this multi-stage folding and hot pressing treatment, the leather cover can be completely and evenly folded and fixed, effectively reducing the steps of manual adjustment and manual operation, significantly improving production efficiency, and avoiding the problem of uneven folding caused by product movement or displacement, thereby ensuring the consistency of folding effect and product yield.

[0043] For further information, see Attachment Figures 5 to 8As shown, the loading and unloading mechanism includes a vertical plate 15, which is fixedly connected to the bottom of the inner wall of the workbench 1, and a guide groove 16 is provided on the side wall of the vertical plate 15, and the shape of the guide groove 16 is L-shaped. A push plate 17 is slidably connected to the side wall of the vertical plate 15, and a connecting groove 18 is provided on the side wall of the push plate 17. A first slider 19 is slidably connected inside the guide groove 16, and a connecting rod 20 is fixedly connected to the side wall of the first slider 19, and a rotating sleeve 21 is rotatably connected to the outer wall of one end of the connecting rod 20 close to the first slider 19, and the rotating sleeve 21 is slidably connected in the connecting groove 18, one end of the connecting rod 20 is fixedly connected to a support rod 22, and one end of the support rod 22 is fixedly connected to a vacuum suction cup 23, and a telescopic spring 24 is fixedly connected to the side wall of the push plate 17, and one end of the telescopic spring 24 is fixedly connected to the side wall of the vertical plate 15, and a double-ring rod 25 is fixedly connected to the side wall of the push plate 17, and a pull rope 26 is fixedly connected to the side wall of the push plate 17. One end of each of the two ends of the double-ring rod 25 passes through the two ends of the double-ring rod 25 and is fixedly connected to the side wall of the hot pressing upper template 4. The side wall of the pushing plate 17 is fixedly connected with a fixed rod 27, and one end of the fixed rod 27 is fixedly connected with a connecting cylinder 28. The inside of the connecting cylinder 28 is slidably connected with a discharge pushing block 29, and an extrusion spring 30 is fixedly connected between the top of the discharge pushing block 29 and the top of the inner wall of the connecting cylinder 28. The side wall of the discharge pushing block 29 is rotatably connected with a rotating roller 31. The side wall of the vertical plate 15 is fixedly connected with a fixed plate, and the top of the fixed plate is slidably connected with a pushing slide plate 32. The top of the pushing slide plate 32 is fixedly connected with a discharge extrusion plate 33. The rotating roller 31 and the discharge extrusion plate 33 contact each other, and the discharge extrusion plate 33 is inclined. A discharge push rod 34 is fixedly connected to the side of the push slide plate 32 close to the folding plate 5, and tension springs 41 are fixedly connected on both sides of the discharge push rod 34. One end of the tension spring 41 is fixedly connected to the side wall of the vertical plate 15;

[0044] When the loading and unloading mechanism is in use, first place the fixed leather cover and shell on the conveyor belt 2, then start the conveyor belt 2, the conveyor belt 2 will transport the leather cover to the side wall close to the lower mold negative pressure plate 6, and then start the downward pressure cylinder 3. At this time, the hot pressing upper template 4 and the lower mold negative pressure plate 6 are in a fitted state, and are connected to the external vacuum pump through the vacuum suction cup 23, so that the vacuum suction cup 23 sucks the product. At this time, the downward pressure cylinder 3 drives the hot pressing upper template 4 to rise, and the hot pressing upper template 4 pulls the pull rope 26 after rising, and then the pull rope 26 pulls the push plate 17 to slide on the side wall of the vertical plate 15. When the push plate 17 slides, it will squeeze the telescopic spring 24 on the side wall. At this time, the push plate 17 will drive the connecting groove 18 to move, and the connecting groove 18 will drive the rotating sleeve wheel 21, and the rotating sleeve wheel 21 will bring The movable connecting rod 20 moves, and the connecting rod 20 drives the rotating sleeve wheel 21 to slide in the guide groove 16, and can slide to the top of the lower die negative pressure plate 6 through the shape of the guide groove 16. When sliding to the top of the lower die negative pressure plate 6, the pushing plate 17 will drive the fixed rod 27 to move in the same direction, and the fixed rod 27 drives the unloading push block 29 to move, and the unloading push block 29 drives the rotating roller 31 to move and contact the unloading extrusion plate 33. When the rotating roller 31 contacts the unloading extrusion plate 33, it will squeeze the unloading extrusion plate 33. When the unloading extrusion plate 33 is squeezed, it will slide on the top of the fixed plate and stretch the tension spring 41. Then the unloading push rod 34 will push the product with the folded edge on the top of the lower die negative pressure plate 6 to slide to the top of the rolling plate 40. By placing a container at one end of the rolling plate 40, and then passing The product will slide into the container for storage through the rolling plate 40, which is convenient for centralized processing. At the same time, it is also convenient for the next loading after unloading. At this time, the unloading push block 29 drives the rotating roller 31 to move from the extrusion unloading extrusion plate 33 to the other side of the unloading extrusion plate 33, which is convenient for the vacuum suction cup 23 to move to the top of the lower mold negative pressure plate 6. When the pushing plate 17 continues to move, the vacuum suction cup 23 will drive the product to move to the top of the lower mold negative pressure plate 6, and then turn off the vacuum pump to release the suction of the vacuum suction cup 23 on the product, and the product will fall to the top of the lower mold negative pressure plate 6. Then, the loading operation can be completed while the unloading operation can be performed on the last folded product. No manual operation is required, the structure is simple, time-saving and labor-saving. In the loading and unloading mechanism, it is connected with the hot pressing upper template 4 When the upper mold plate 4 of the hot pressing plate 4 rises, the push plate 17 is pulled, and the push plate 17 drives the connecting rod 20 to move. When the connecting rod 20 moves, the vacuum suction cup 23 sucking the leather cover is driven by the support rod 22 to move to the top of the lower mold negative pressure plate 6, and then the vacuum suction cup 23 is closed to release the suction of the product by the vacuum suction cup 23. Then the product will fall to the top of the lower mold negative pressure plate 6, and then the leather cover will be folded by the folding mechanism. When the folding is completed, when loading again, the push plate 17 will drive the fixed rod 27 and the unloading push block 29 to move, and the unloading push block 29 drives the rotating roller 31 to squeeze the unloading squeeze plate 33, so that the unloading push rod 34 pushes the folded product through the rolling plate 40 to slide into the storage container, thereby completing the loading and unloading. The loading and unloading mechanism does not require manual participation.The loading and unloading of products is completed through mechanical linkage. The whole process is smooth and efficient, which solves the limitation of traditional equipment that relies on manual labor to place and take out products. It not only reduces labor costs, but also greatly improves the automation of the production line, greatly improves production efficiency, and is easy to use.

[0045] For further information, see Attachment Figure 6 and Fig. 9 As shown, the side wall of the support rod 22 is fixedly connected with a pressing support frame 35, and the side wall of the pressing support frame 35 is provided with a slider groove 36, and the inside of the slider groove 36 is slidably connected with a second slider 37, and a reciprocating spring 38 is fixedly connected between the top of the inner wall of the slider groove 36 and the top of the second slider 37, and the side wall of the second slider 37 is rotatably connected with a clamping roller 39, and the clamping roller 39 is made of a flexible material. When the support rod 22 performs a loading operation, it will drive the pressing support frame 35 to move, and the pressing support frame 35 drives the clamping roller 39 to move. When the loading mechanism has finished loading the material, After that, the hot pressing upper template 4 will be pressed down, and the pull rope 26 will be released after being pressed down, and then the telescopic spring 24 will squeeze the push plate 17 to move away from the lower mold negative pressure plate 6, and at this time it will drive the pressing support frame 35 to return, and when the pressing support frame 35 returns, it will drive the clamping roller 39 to press the product placed on the top of the lower mold negative pressure plate 6, and when the product is pressed, the reciprocating spring 38 will squeeze the second slider 37, which can effectively avoid the formation of a gap between the leather case and the shell, thereby ensuring that the leather case is tightly wrapped on the shell and enhancing the overall firmness of the product.

[0046] For further information, see Attachment Figure 3 As shown, the side wall of the lower die negative pressure plate 6 is fixedly connected with a rolling plate 40, which is inclined. The top of the rolling plate 40 is rotatably connected with a plurality of rollers equidistantly and evenly arranged. The rolling plate 40 plays a guiding role during material unloading, and at the same time, the rollers reduce the friction between the product and the rolling plate 40.

[0047] For further information, see Attachment Figure 8 As shown, the side wall of the unloading squeeze plate 33 is provided with an inclined slope, which contacts the bottom of the unloading push block 29. Through the slope, the slope squeezes the unloading push block 29 when the fixed rod 27 moves back. The unloading push block 29 slides in the connecting tube 28 and squeezes the squeezing spring 30, thereby preventing the unloading squeeze plate 33 from hindering the unloading push block 29 from returning.

[0048] The present application also provides a folding process for a leather cover for a Magic Keyboard, using the above-mentioned folding device for a leather cover for a Magic Keyboard, including the following steps:

[0049] S1. Loading: First, place the fixed leather cover and shell on the conveyor belt 2, and transport the leather cover to the side wall near the lower mold negative pressure plate 6 through the conveyor belt 2, and suck the product through the vacuum suction cup 23. When the lower pressure cylinder 3 drives the hot pressing upper template 4 to rise, pull the pull rope 26, and at the same time drive the push plate 17 to slide along the side wall of the vertical plate 15. Then the push plate 17 drives the vacuum suction cup 23 that sucks the leather cover to move to the top of the lower mold negative pressure plate 6 through the connecting rod 20, and then close the vacuum suction cup 23, and the leather cover falls to the top of the lower mold negative pressure plate 6, thereby completing the loading operation. The loading and unloading mechanism does not require manual participation, and the product loading operation is completed through mechanical linkage. The whole process is smooth and efficient, which solves the problem of relying on manual labor for product placement in traditional equipment.

[0050] S2. Fixing: Connect the output end of the external vacuum pump to the bottom of the vacuum tank 8, and then start the vacuum pump. The vacuum pump generates suction through the vacuum nozzle 7 to fix the product on the top of the lower mold negative pressure plate 6, so that the product can be effectively fixed on the top of the lower mold negative pressure plate 6 to avoid position movement during subsequent processing.

[0051] S3. Pressing: By pressing down the hot pressing upper template 4, the pull rope 26 will be released after being pressed down, and then the telescopic spring 24 will squeeze the push plate 17 to move away from the lower mold negative pressure plate 6, and at this time it will drive the pressing support frame 35 to return. When the pressing support frame 35 returns, it will drive the pressing roller 39 to press the product placed on the top of the lower mold negative pressure plate 6, so that the product placed on the top of the lower mold negative pressure plate 6 fits more closely, thereby enhancing the firmness of the overall structure and improving the uniformity of the folding edge.

[0052] S4, preliminary folding and hot pressing: Start the electric telescopic rod 10, which drives the lifting and positioning frame 9 to rise, so that the exposed part around the leather cover is bent 90°. Next, start the first telescopic cylinder 11 and the second telescopic cylinder 13, respectively drive the first folding push block 12 and the second folding push block 14, and perform preliminary hot pressing treatment on the four corners and the leather covers on both sides of the product. The first folding push block 12 performs hot pressing and fixes the four corners, and the second folding push block 14 performs hot pressing on the leather covers on both sides, so that the leather covers are firmly attached to the side wall of the shell, completing the preliminary folding and fixing, which can effectively perform preliminary hot pressing treatment on the four corners and both sides of the product, ensuring that each part can be evenly stressed and ensuring the consistency of the folding effect.

[0053] S5, final folding and hot pressing: After the lifting and positioning frame 9 is retracted, the downward pressure cylinder 3 is started to drive the upper hot pressing template 4 to move downward, and the upper hot pressing template 4 is fitted with the top of the lower mold negative pressure plate 6 to complete the final hot pressing process, so that the product is evenly heated on the entire surface to ensure the perfect forming of the folding.

[0054] S6. Unloading: During the next loading, the pushing plate 17 drives the fixed rod 27 to move, the fixed rod 27 drives the unloading push block 29 to move, the unloading push block 29 drives the rotating roller 31 to move and contact with the unloading extrusion plate 33, when the rotating roller 31 contacts the unloading extrusion plate 33, it will squeeze the unloading extrusion plate 33, when the unloading extrusion plate 33 is squeezed, it will slide on the top of the fixed plate and stretch the tension spring 41, then the unloading push rod 34 will push the folded product on the top of the lower mold negative pressure plate 6 to slide to the top of the rolling plate 40, by placing a container at one end of the rolling plate 40, the product will be slid into the container for storage through the rolling plate 40, which not only reduces manual operation, but also greatly improves the degree of automation of the production line and greatly improves production efficiency.

[0055] Compared with the prior art, the above-mentioned leather cover folding process for the Magic Control Keyboard is adopted: by performing multi-level folding and hot pressing treatment on the leather cover, the leather cover can be completely and evenly folded and fixed, effectively reducing the steps of manual adjustment and manual operation, significantly improving production efficiency, and avoiding the problem of uneven folding caused by product movement or displacement, thereby ensuring the consistency of folding effect and product yield. At the same time, after loading, the product placed on the top of the lower mold negative pressure plate 6 can be pressed to make it fit more closely, enhancing the firmness of the overall structure, thereby improving the uniformity of folding, and at the same time, there is no need for manual unloading, which not only reduces manual operation, but also greatly improves the degree of automation of the production line, greatly improving production efficiency, so that the folding machine has higher adaptability and efficiency in modern production, and can better meet market demand.

[0056] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0057] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A folding device for a leather cover of a Magic Keyboard, comprising a workbench (1), characterized in that: The top side wall of the workbench (1) is provided with a conveyor belt (2) for conveying the shell and the leather case, the top of the inner wall of the workbench (1) is fixedly connected with a downward pressure cylinder (3), one end of the downward pressure cylinder (3) is fixedly connected with a hot pressing upper template (4), the inside of the workbench (1) is fixedly connected with a folding plate (5), the middle part of the top of the folding plate (5) is fixedly connected with a lower mold negative pressure plate (6), the top of the folding plate (5) is provided with a folding mechanism for folding the leather case, and the bottom of the inner wall of the workbench (1) near the side wall of the folding plate (5) is provided with a loading and unloading mechanism for loading and unloading the leather case.

2. The folding device for a leather cover of a Magic Keyboard according to claim 1, characterized in that: The folding mechanism comprises a plurality of vacuum suction nozzles (7) which are evenly spaced and arranged on the top of the lower mold negative pressure plate (6); a vacuum groove (8) is arranged inside the lower mold negative pressure plate (6); the bottom of the vacuum suction nozzle (7) is connected to the top of the vacuum groove (8); two lifting and positioning frames (9) which are arranged opposite to each other are slidably connected to the top of the lower mold negative pressure plate (6); both ends of the lifting and positioning frames (9) which are opposite to each other are fixedly connected to an electric telescopic rod (10); the top of the folding plate (5) is close to the lower mold negative pressure plate ( 6), the output end of the first telescopic cylinder (11) is fixedly connected to a first folding push block (12), one end of the first folding push block (12) is provided with a triangular groove, the first folding push block (12) is slidably connected to the top of the folding plate (5), the top of the folding plate (5) is fixedly connected to two sides of the lower mold negative pressure plate (6), and the output end of the second telescopic cylinder (13) is fixedly connected to a second folding push block (14).

3. The folding device for a leather cover of a Magic Keyboard according to claim 1, characterized in that: The loading and unloading mechanism comprises a vertical plate (15) fixedly connected to the inside of the workbench (1), the vertical plate (15) is fixedly connected to the bottom of the inner wall of the workbench (1), the side wall of the vertical plate (15) is provided with a guide groove (16), the shape of the guide groove (16) is L-shaped, the side wall of the vertical plate (15) is slidably connected to a push plate (17), the side wall of the push plate (17) is provided with a connecting groove (18), the inside of the guide groove (16) is slidably connected to a first slider (19), the side wall of the first slider (19) is fixedly connected to the inside of the guide groove (16), and the side wall of the first slider (19) is fixedly connected to the inside of the guide groove (16). A connecting rod (20) is fixedly connected, and the outer wall of one end of the connecting rod (20) close to the first sliding block (19) is rotatably connected to a rotating sleeve (21), and the rotating sleeve (21) is slidably connected in the connecting groove (18), one end of the connecting rod (20) is fixedly connected to a supporting rod (22), and one end of the supporting rod (22) is fixedly connected to a vacuum suction cup (23), and the side wall of the pushing plate (17) is fixedly connected to a telescopic spring (24), and one end of the telescopic spring (24) is fixedly connected to the side wall of the vertical plate (15).

4. The folding device for a leather cover of a Magic Keyboard according to claim 3, characterized in that: The side wall of the vertical plate (15) is fixedly connected with a double-ring rod (25), and the side wall of the push plate (17) is fixedly connected with a pull rope (26), one end of the pull rope (26) respectively passes through the two ends of the double-ring rod (25) and is fixedly connected to the side wall of the hot pressing upper template (4).

5. The folding device for a leather cover of a Magic Keyboard according to claim 3, characterized in that: The side wall of the push plate (17) is fixedly connected to a fixing rod (27), one end of the fixing rod (27) is fixedly connected to a connecting tube (28), the interior of the connecting tube (28) is slidably connected to a discharge push block (29), a pressing spring (30) is fixedly connected between the top of the discharge push block (29) and the top of the inner wall of the connecting tube (28), the side wall of the discharge push block (29) is rotatably connected to a rotating roller (31), the side wall of the vertical plate (15) is fixedly connected to a fixing plate, the top of the fixing plate is slidably connected to the inside of the connecting tube (28 ... and the top of the fixing plate is slidably connected to the inside of the connecting tube (28). A push slide plate (32) is movably connected to the push slide plate (32), and a discharge extrusion plate (33) is fixedly connected to the top of the push slide plate (32). The rotating roller (31) and the discharge extrusion plate (33) are in contact with each other, and the discharge extrusion plate (33) is arranged at an angle. A discharge push rod (34) is fixedly connected to the side of the push slide plate (32) close to the folding plate (5), and tension springs (41) are fixedly connected to both sides of the discharge push rod (34), and one end of the tension spring (41) is fixedly connected to the side wall of the vertical plate (15).

6. The folding device for a leather cover of a Magic Keyboard according to claim 3, characterized in that: The side wall of the support rod (22) is fixedly connected to a pressing support frame (35), the side wall of the pressing support frame (35) is provided with a slider groove (36), the interior of the slider groove (36) is slidably connected to a second slider (37), a reciprocating spring (38) is fixedly connected between the top of the inner wall of the slider groove (36) and the top of the second slider (37), and the side wall of the second slider (37) is rotatably connected to a clamping roller (39).

7. The folding device for a leather cover of a Magic Keyboard according to claim 2, characterized in that: The side wall of the lower die negative pressure plate (6) is fixedly connected with a rolling plate (40), the rolling plate (40) is arranged in an inclined manner, and the top of the rolling plate (40) is rotatably connected with a plurality of rollers arranged evenly and at equal distances.

8. The folding device for a leather cover of a Magic Keyboard according to claim 5, characterized in that: The side wall of the discharge extrusion plate (33) is provided with an inclined slope, and the slope is in contact with the bottom of the discharge push block (29).

9. The folding device for a leather cover of a Magic Keyboard according to claim 6, characterized in that: The pressing roller (39) is made of a flexible material.

10. A folding process for a leather cover for a Magic Keyboard, using a folding device for a leather cover for a Magic Keyboard as described in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Loading: First, place the fixed leather cover and shell on the conveyor belt (2), and transport the leather cover to the side wall close to the lower mold negative pressure plate (6) through the conveyor belt (2). The product is sucked by the vacuum suction cup (23). When the lower pressure cylinder (3) drives the hot pressing upper template (4) to rise, the pull rope (26) is pulled, and the push plate (17) is driven to slide along the side wall of the vertical plate (15). Then, the push plate (17) drives the vacuum suction cup (23) sucking the leather cover to move to the top of the lower mold negative pressure plate (6) through the connecting rod (20), and then the vacuum suction cup (23) is closed, and the leather cover falls to the top of the lower mold negative pressure plate (6), thereby completing the loading operation. S2, fixation: connect the output end of the external vacuum pump to the bottom of the vacuum tank (8), then start the vacuum pump, which generates suction through the vacuum suction nozzle (7) to fix the product on the top of the lower mold negative pressure plate (6). S3, pressing: by pressing the upper hot pressing template (4), the pull rope (26) will be released after the upper hot pressing template (4) is pressed down, and then the telescopic spring (24) will squeeze the push plate (17) to move away from the lower mold negative pressure plate (6), and at this time, it will drive the pressing support frame (35) to return. When the pressing support frame (35) returns, it will drive the pressing roller (39) to press the product placed on the top of the lower mold negative pressure plate (6). S4, preliminary folding and hot pressing: Start the electric telescopic rod (10), which drives the lifting and positioning frame (9) to rise, so that the exposed part around the leather cover is bent 90 degrees. Next, start the first telescopic cylinder (11) and the second telescopic cylinder (13), respectively drive the first folding push block (12) and the second folding push block (14), and perform preliminary hot pressing treatment on the four corners and the leather covers on both sides of the product. The first folding push block (12) performs hot pressing and fixes the four corners, and the second folding push block (14) performs hot pressing and fixes the leather covers on both sides, so that the leather covers are firmly attached to the side walls of the shell, completing the preliminary folding and fixation. S5, final folding and hot pressing: after the lifting and positioning frame (9) is retracted, the downward pressure cylinder (3) is started to drive the upper hot pressing template (4) to move downward, and the upper hot pressing template (4) is fitted with the top of the lower mold negative pressure plate (6), completing the final hot pressing process. S6, unloading: During the next loading, the push plate (17) drives the fixed rod (27) to move, the fixed rod (27) drives the unloading push block (29) to move, the unloading push block (29) drives the rotating roller (31) to move and contact with the unloading extrusion plate (33), when the rotating roller (31) contacts the unloading extrusion plate (33), it will squeeze the unloading extrusion plate (33), when the unloading extrusion plate (33) is squeezed, it will slide on the top of the fixed plate and stretch the tension spring (41), then the unloading push rod (34) will push the folded product on the top of the lower mold negative pressure plate (6) to slide to the top of the rolling plate (40), by placing a container at one end of the rolling plate (40), the product will slide into the container through the rolling plate (40) for storage.

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