A fully automated production line for earphone covers

Abstract

This invention discloses a fully automated production line for earphone covers, comprising a closed fixture circulation transport track mounted on a frame. The fixture circulation transport track includes two parallel first transport tracks and two second transport tracks connected to the first transport tracks. Carrier trays are placed at intervals on the upper surface of the fixture circulation transport track. A dough shaping device, a baking and shaping device for heating the dough, and a drying and cooling device are sequentially arranged on the fixture circulation transport track. This allows for the positioning, baking, and cooling of the dough. Another first transport track is sequentially equipped with a ring-shaped TPU welding device, a small TPU welding device, a waste cutting device, and a mesh welding device to perform TPU welding processing on the cooled dough. After processing, the trays are transported back to the first process via the second transport tracks. This cycle achieves fully automated production of earphone covers, improving efficiency.

Description

Technical Field

[0001] This invention relates to the field of headphone cover manufacturing technology, and in particular to a fully automated headphone cover production line. Background Technology

[0002] Headphones are a pair of transducers that receive electrical signals from a media player or receiver and convert them into audible sound waves using speakers placed close to the ears. Headphones allow for independent listening or isolation from ambient noise, making them helpful for those in noisy environments such as recording studios, bars, while traveling, or exercising. Headphones can be categorized into in-ear, over-ear, and earbud types. Over-ear headphones typically come with ear tips to improve comfort.

[0003] In the field of headphone case manufacturing technology, it is generally divided into several processes, but each process is not connected or cyclical, requires manual handling, cannot be continuously produced, and consumes manpower and material resources. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a fully automated production line for earphone covers, which enables fully automated production of earphone covers, eliminates manual operation areas, and improves production efficiency.

[0005] To achieve this objective, the present invention adopts the following technical solution: it includes a closed fixture circulation transport track mounted on a frame, the fixture circulation transport track includes two parallel first transport tracks, and a second transport track is provided between the two disconnected ends of the two first transport tracks, and the two first transport tracks are connected by the second transport tracks to form a closed loop;

[0006] The upper end face of the fixture circulation transport track is spaced out with carrier trays, which are used to place target workpieces and auxiliary processing tools. The carrier trays circulate along the fixture circulation transport track. A dough shaping device, a baking and shaping device for heating the dough, and a drying and cooling device are sequentially arranged on the first section of the transport track. Another first section of the transport track is sequentially arranged with a ring-shaped TPU welding device, a small TPU welding device, a waste cutting device, and a mesh welding device.

[0007] The second section of the transport track is equipped with a tray fixture corner transition mechanism;

[0008] The air-drying and cooling device and the welding ring TPU device are connected by the second section of the transport track, and the welding mesh device and the skin shaping device are connected by the second section of the transport track.

[0009] Furthermore, the carrier fixture includes a carrier tray, which has a central placement position and a plurality of peripheral placement positions located beside the central placement position. The central placement position is used to place the target workpiece, and the peripheral placement positions are used to place the auxiliary processing tool.

[0010] Furthermore, the dough shaping device includes a dough-taking device, a pre-compression fixture transfer device, an aluminum sleeve fixture transfer device, and a dough-forming device, all located above the fixture's circulating transport track; the dough-taking device includes a dough-taking cylinder, the piston rod of which is fixedly connected to a dough-taking guide rail, and the dough-taking guide rail is connected to a dough-taking robot arm.

[0011] The pre-compression fixture transfer device includes a pre-compression fixture transfer cylinder. The piston rod of the pre-compression fixture cylinder is fixedly connected to the pre-compression fixture guide rail. The pre-compression fixture guide rail is connected to the pre-compression fixture robot arm. The pre-compression fixture transfer cylinder pushes the pre-compression fixture robot arm to pick up and place the pre-compression fixture into the middle placement position, at the edge of the pre-compression surface.

[0012] The aluminum sleeve fixture transfer device includes an aluminum sleeve fixture transfer cylinder, the piston rod of the aluminum sleeve fixture transfer cylinder is fixedly connected to the aluminum sleeve fixture guide rail, the aluminum sleeve fixture guide rail is connected to the aluminum sleeve fixture transfer robot arm; the aluminum sleeve fixture transfer cylinder pushes the aluminum sleeve fixture transfer robot arm to pick up and put down the aluminum sleeve fixture, and the dough forming device is used to form the dough.

[0013] Furthermore, the baking and shaping device includes several baking machines, each including an electromagnetic heating coil positioned above the jig's circulating transport track, the electromagnetic heating coil being aligned with the dough.

[0014] Furthermore, the air-drying and cooling device includes multiple industrial air conditioners arranged in parallel, with the air outlets of the industrial air conditioners aligned with the carrier tray fixture.

[0015] Furthermore, the ring-shaped TPU welding device includes a ring-shaped TPU pick-up device, which includes a ring-shaped TPU transfer cylinder. The piston rod of the ring-shaped TPU transfer cylinder is connected to a ring-shaped transfer gripper. The ring-shaped transfer gripper moves via a ring-shaped TPU guide rail, and the ring-shaped TPU transfer cylinder pushes the ring-shaped transfer gripper to pick up and place the TPU. A ring-shaped TPU displacement device is provided on one side of the ring-shaped TPU pick-up device. The ring-shaped TPU displacement device includes a ring-shaped TPU displacement cylinder, whose piston rod is connected to the ring-shaped TPU displacement gripper. The ring-shaped TPU displacement gripper moves via a ring-shaped TPU guide rail, and the ring-shaped TPU displacement cylinder pushes the ring-shaped TPU displacement gripper to adjust the position of the ring-shaped TPU. A high-frequency welding machine for welding is provided on one side of the ring-shaped TPU displacement device.

[0016] Furthermore, the small TPU welding device includes an aluminum sleeve displacement mechanism, which includes an aluminum sleeve transfer cylinder. The piston rod of the aluminum sleeve transfer cylinder is connected to an aluminum sleeve transfer gripper. The aluminum sleeve transfer gripper moves via an aluminum sleeve transfer guide rail, and the transfer cylinder pushes the transfer gripper to pick up and place the aluminum sleeve. An outer ring displacement mechanism is provided on one side of the aluminum sleeve displacement mechanism. The outer ring displacement mechanism includes an outer sleeve transfer cylinder, whose piston rod is connected to an outer sleeve transfer gripper. The outer sleeve transfer gripper moves via an outer sleeve transfer guide rail, and the outer sleeve transfer cylinder pushes the outer sleeve transfer gripper to pick up and place the aluminum sleeve. A small TPU picking mechanism is provided on one side of the outer ring displacement mechanism. The small TPU picking mechanism is used to pick up the small TPU. A small TPU high-frequency welding machine for welding is provided on one side of the small TPU picking mechanism.

[0017] Furthermore, the waste cutting device includes a waste cutting displacement and loading mechanism, which includes a waste cutting and loading cylinder. The piston rod of the waste cutting and loading cylinder is connected to a waste cutting and loading gripper. The waste cutting and loading gripper moves via a waste cutting and loading guide rail. The waste cutting and loading cylinder pushes the waste cutting and loading gripper to pick up and place the cutting and loading fixture. A die-cutting outer circle mechanism and a die-cutting inner circle mechanism are sequentially provided on one side of the waste cutting and loading mechanism. An inner circle waste picking mechanism for picking up waste is provided between the die-cutting outer circle mechanism and the die-cutting inner circle mechanism.

[0018] Furthermore, the welding mesh device includes a mesh welding displacement mechanism for gripping the mesh. The mesh welding displacement mechanism is located on one side of the fixture's circulating transport track. The mesh welding displacement mechanism includes a mesh transfer cylinder. The piston rod of the mesh transfer cylinder is connected to a mesh transfer gripper. The mesh transfer gripper moves via a mesh transfer guide rail. The mesh transfer cylinder pushes the mesh transfer gripper to pick up and place the mesh. A mesh welding machine is provided on one side of the mesh welding displacement mechanism.

[0019] Furthermore, the tray fixture corner transition mechanism includes a lifting mechanism located on the outlet side of the mesh welding machine. The lifting mechanism is located below the fixture circulation transport track. The lifting mechanism includes a fixture lifting platform. The bottom of the fixture lifting platform is fixedly connected to the piston rod of the lifting cylinder. The lifting mechanism is used to lift the tray fixture and move the tray fixture to the second section of the fixture circulation transport track for the next cycle. The beneficial effects of this invention: This invention provides a fully automated production line for earphone covers, including a closed fixture circulation transport track mounted on a frame. The fixture circulation transport track includes two parallel first transport tracks and two second transport tracks connected to the first transport tracks. Carrier fixtures are placed at intervals on the upper surface of the fixture circulation transport track, and the carrier fixtures circulate along the fixture circulation transport track. A dough shaping device, a baking and shaping device for heating the dough, and a drying and cooling device are sequentially arranged on one of the first transport tracks. The dough can be positioned, baked, and cooled. The second transport track connects to another first transport track, which is sequentially equipped with a welding ring TPU device, a welding small TPU device, a waste cutting device, and a welding mesh device to perform TPU welding processing on the cooled dough. After processing, the carrier fixtures are transported back to the first process via the second transport track. This cycle realizes fully automated production of earphone covers, improving efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of a fully automated production line for earphone covers provided in an embodiment of the present invention;

[0022] Figure 2 A schematic diagram of a carrier jig for a fully automated production line for earphone covers provided in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of a face leather positioning device for a fully automated production line for earphone covers, provided in an embodiment of the present invention.

[0024] Figure 4 This is a schematic diagram of the structure of a baking and shaping device for a fully automated production line of earphone covers provided in an embodiment of the present invention;

[0025] Figure 5A schematic diagram of the structure of an air-drying and cooling device for a fully automated production line of earphone covers provided in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of a welding ring TPU device in a fully automated production line for earphone covers provided by an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of a small TPU welding device in a fully automated production line for earphone covers provided by an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the waste cutting device for a fully automated earphone case production line provided in an embodiment of the present invention;

[0029] Figure 9 This is a schematic diagram of the structure of a welding mesh device for a fully automated production line for earphone covers, provided in an embodiment of the present invention.

[0030] Figure 10 This is a schematic diagram of the corner transition mechanism of the carrier fixture in a fully automated production line for earphone covers, provided in an embodiment of the present invention.

[0031] In the diagram: 1. Fixture circulation transport track; 11. First transport track; 12. Second transport track; 2. Carrier tray fixture; 20. Carrier tray; 21. Middle placement position; 22. Side placement position; 3. Dough shaping device; 30. Dough picking device; 31. Pre-compression fixture transfer device; 32. Aluminum sleeve fixture transfer device; 33. Dough forming device; 301. Dough picking cylinder; 302. Dough picking guide rail; 303. Dough picking robot arm; 311. Pre-compression fixture transfer cylinder; 312. Pre-compression fixture guide rail; 313. Pre-compression... 4. Fixture robot; 5. Baking and shaping device; 6. Baking machine; 7. Electromagnetic heating coil; 8. Air drying and cooling device; 9. Industrial air conditioner; 10. Welding ring TPU device; 11. Ring TPU removal device; 12. Ring TPU removal and transfer cylinder; 13. Ring TPU removal and transfer gripper; 14. Ring TPU removal guide rail; 15. Ring TPU displacement device; 16. Ring TPU displacement cylinder; 17. Ring TPU displacement gripper; 18. Ring TPU transfer guide rail; 19. High-frequency welding machine. 7. Small TPU welding device; 70. Sleeve transfer loading mechanism; 701. Aluminum sleeve transfer cylinder; 702. Aluminum sleeve transfer gripper; 703. Aluminum sleeve transfer guide rail; 71. Outer ring transfer loading mechanism; 711. Outer sleeve transfer cylinder; 712. Outer sleeve transfer gripper; 713. Outer sleeve transfer guide rail; 72. Small TPU material handling mechanism; 73. Small TPU high-frequency welding machine; 8. Scrap cutting device; 80. Scrap cutting and loading mechanism; 801. 802. Waste material transfer cylinder; 803. Waste material transfer gripper; 804. Waste material transfer guide rail; 805. Material cutting fixture; 81. Die-cutting outer circle mechanism; 82. Die-cutting inner circle mechanism; 83. Inner circle waste material removal mechanism; 9. Welding mesh device; 90. Mesh welding displacement mechanism; 91. Mesh welding machine; 10. Carrier tray fixture corner transition mechanism; 100. Lifting mechanism; 101. Fixture lifting platform; 102. Lifting cylinder. Detailed Implementation

[0032] This invention provides a fully automated production line for earphone covers, which enables fully automated production of earphone covers, eliminates manual operation areas, and improves production efficiency.

[0033] To make the objectives, features, and advantages of this invention more apparent and understandable, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0034] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0035] Please refer to Figure 1 , Figure 1 This is a schematic diagram of a fully automated headphone case production line according to an embodiment of the present invention. The fully automated headphone case production line includes a closed fixture circulation transport track 1 mounted on a frame. The fixture circulation transport track 1 includes two parallel first transport tracks 11, with a second transport track 12 positioned between the two disconnected ends of the two first transport tracks 11, connecting the two first transport tracks 11 to form a closed loop. Carrier fixtures 2 are placed at intervals on the upper surface of the fixture circulation transport track 1. The carrier fixtures 2 are used to place the target workpiece and auxiliary processing tools. 2. The dough flows in a circular flow along the fixture's circular transport track 1; on one of the first transport track sections 11, a dough shaping device 3, a baking and shaping device 4 for heating the dough, and an air-drying and cooling device 5 are arranged in sequence; on the other of the first transport track sections 11, a welding ring TPU device 6, a welding small TPU device 7, a waste cutting device 8, and a welding mesh device 9 are arranged in sequence; on the second transport track section 12, a carrier fixture corner transition mechanism 10 is provided; the air-drying and cooling device 5 and the welding ring TPU device 6 are connected through the second transport track section 12, and the welding mesh device 9 and the dough shaping device 3 are connected through the second transport track section 12.

[0036] In a specific embodiment, such as Figure 1 As shown, the automated production line for producing earphone covers is designed with a rectangular structure. Two parallel transport tracks, the first section 11 and the second section 12, are arranged. The second section 12 connects the beginning and end of the two first sections 11, serving as a connector. One of the first sections 11 is equipped with a dough shaping device 3, a baking and shaping device 4 for heating the dough, and a drying and cooling device 5. The other first section 11 is equipped with a welding ring TPU device 6, a welding small TPU device 7, a waste cutting device 8, and a welding mesh device 9. The two first sections 11 are connected by the second section 12, realizing fully automated cyclic production of earphone covers, eliminating the manual operation area, and greatly improving production efficiency.

[0037] Furthermore, the carrier fixture 2 includes a carrier tray 20, which has a central placement position 21 and several side placement positions 22 located beside the central machining position. The central placement position 21 is used to place the target workpiece, and the side placement positions 22 are used to place the auxiliary machining tools.

[0038] Specifically, the carrier jig 2 includes a carrier tray 20, which has a central placement position 21 and several side placement positions 22 located beside the central processing position. The central placement position 21 is used for the main processing, while the side placement positions 22 are used to place auxiliary processing tools and semi-finished products to be processed.

[0039] Furthermore, the dough shaping device 3 includes a dough-taking device 30, a pre-pressing fixture transfer device 31, an aluminum sleeve fixture transfer device 32, and a dough-forming device 33, all disposed above the fixture circulation transport track 1; the dough-taking device 30 includes a dough-taking cylinder 301, the piston rod of the dough-taking cylinder 301 is fixedly connected to the dough-taking guide rail 302, and the dough-taking guide rail 302 is connected to the dough-taking robot arm 303;

[0040] In another specific embodiment, the dough shaping device 3 is used to shape the dough material on the middle placement position 21, waiting for the next process. The dough is taken from the side dough placement rack by the dough taking device 30 and placed on the middle placement position 21 on the carrier tray 20. Then, the pre-pressing fixture transfer device 31 places the pre-pressing fixture, such as a round metal ring, into the middle placement position 21 to fix the dough. After that, the aluminum sleeve fixture transfer device 31 takes out the aluminum sleeve fixture. After the pre-pressing fixture transfer device 31 moves the pre-pressing fixture to the side placement position 22, the aluminum sleeve fixture transfer device 32 moves the aluminum sleeve fixture to the middle placement position 21 and then proceeds to the next process.

[0041] The pre-compression fixture transfer device 31 includes a pre-compression fixture transfer cylinder 311. The piston rod of the pre-compression fixture cylinder 311 is fixedly connected to the pre-compression fixture guide rail 312. The pre-compression fixture guide rail 312 is connected to the pre-compression fixture robot arm 313. The pre-compression fixture transfer cylinder 311 pushes the pre-compression fixture robot arm 313 to pick up and place the pre-compression fixture on the edge of the pre-compression surface in the middle placement position 21.

[0042] Specifically, the pre-compression fixture transfer device 31 uses a pre-compression fixture transfer cylinder 311 to push the pre-compression fixture robot 313 to pre-compress the fixture. The pre-compression fixture transfer cylinder 311 pushes the pre-compression fixture robot 313 to move in a direction parallel to the fixture circulation transport track 1. The pre-compression fixture robot 313 includes a vertical cylinder that can push the part-removing part up and down.

[0043] The aluminum sleeve fixture transfer device 32 includes an aluminum sleeve fixture transfer cylinder 321. The piston rod of the aluminum sleeve fixture transfer cylinder 321 is fixedly connected to the aluminum sleeve fixture guide rail 322. The aluminum sleeve fixture guide rail 322 is connected to the aluminum sleeve fixture transfer robot 323. The aluminum sleeve fixture transfer cylinder 321 pushes the aluminum sleeve fixture transfer robot 323 to pick up and put down the aluminum sleeve fixture. The dough forming device 33 is used to form the dough. The aluminum sleeve fixture transfer cylinder 321 pushes the aluminum sleeve fixture transfer robot 323 to move in a direction parallel to the fixture circulation transport track 1. The aluminum sleeve fixture transfer cylinder 321 includes a vertical cylinder that can push the picking part to move up and down.

[0044] Specifically, the aluminum sleeve fixture transfer device 32 uses the aluminum sleeve fixture transfer cylinder 321 to push the aluminum sleeve fixture transfer robot 323 to pick up and put down the aluminum sleeve fixture.

[0045] Furthermore, the baking and shaping device 4 includes several baking machines 40, each baking machine 40 including an electromagnetic heating coil 41 disposed above the jig circulation transport track 1, the electromagnetic heating coil 41 being aligned with the dough.

[0046] In another specific embodiment, after the dough is fixed, it enters the baking process. The baking and shaping device 4 includes multiple baking machines 40, as shown in the figure, including 5 baking machines. Each baking machine 40 includes an electromagnetic heating coil 41 located above the jig circulation transport track 1. The baking machine is set with time and temperature, and the electromagnetic heating coil 41 is aligned with the dough for heating.

[0047] Furthermore, the air-drying and cooling device 5 includes a plurality of industrial air conditioners 50 arranged in parallel, with the air outlets of the industrial air conditioners 50 aligned with the carrier tray fixture 2.

[0048] In yet another specific embodiment, after the dough is baked, it proceeds to the next step, air-drying and cooling, as follows: Figure 3 As shown, the process station setting of the air drying and cooling device 5 is relatively long, and multiple industrial air conditioners 50 are used to blow air to cool and shape the baked dough.

[0049] Furthermore, the welding ring-shaped TPU device 6 includes a ring-shaped TPU picking device 60, which includes a ring-shaped TPU transfer cylinder 601. The piston rod of the ring-shaped TPU transfer cylinder 601 is connected to a ring-shaped transfer gripper 602. The ring-shaped transfer gripper 602 moves via a ring-shaped TPU guide rail 603. The ring-shaped TPU transfer cylinder 601 pushes the ring-shaped transfer gripper 602 to pick up and place TPU. A ring-shaped TPU displacement device 61 is provided on one side of the ring-shaped TPU picking device 60. The annular TPU displacement carrier device 61 includes an annular TPU displacement carrier cylinder 611. The piston rod of the annular TPU displacement carrier cylinder 611 is connected to the annular TPU displacement carrier gripper 612. The annular TPU displacement carrier gripper 612 moves via an annular TPU carrier guide rail 613. The annular TPU displacement carrier cylinder 611 pushes the annular TPU displacement carrier gripper 612 to adjust the position of the annular TPU. A high-frequency welding machine 62 for welding is provided on one side of the annular TPU displacement carrier device 61.

[0050] In another specific embodiment, after the dough is dried and shaped, it moves to the next process via the carrier jig corner transition mechanism 10. The ring-shaped TPU welding device 6 is connected to the ring-shaped TPU transfer cylinder 601 and the ring-shaped transfer gripper 602. The ring-shaped transfer gripper 602 moves via the ring-shaped TPU guide rail 603. The ring-shaped TPU transfer cylinder 601 pushes the ring-shaped transfer gripper 602 to pick up and put down TPU. One side of the ring-shaped TPU welding device 60 is provided with a ring. The TPU displacement carrier 61 is connected to the annular TPU displacement gripper 612 via the piston rod of the annular TPU displacement carrier cylinder 611. The annular TPU displacement gripper 612 moves via the annular TPU carrier guide rail 613. The annular TPU displacement carrier cylinder 611 pushes the annular TPU displacement gripper 612 to adjust the position of the annular TPU. Then, the annular TPU and the surface layer are welded by a high-frequency welding machine 62.

[0051] Furthermore, the welding small TPU device 7 includes an aluminum sleeve displacement mechanism 70, which includes an aluminum sleeve transfer cylinder 701. The piston rod of the aluminum sleeve transfer cylinder 701 is connected to an aluminum sleeve transfer gripper 702. The aluminum sleeve transfer gripper 702 moves via an aluminum sleeve transfer guide rail 703, and the transfer cylinder 701 pushes the transfer gripper 702 to pick up and place the aluminum sleeve. An outer ring displacement mechanism 71 is provided on one side of the aluminum sleeve displacement mechanism 70. The outer ring displacement mechanism 71 includes an outer sleeve displacement... The outer sleeve transfer cylinder 711 has its piston rod connected to the outer sleeve transfer gripper 712. The outer sleeve transfer gripper 712 moves via the outer sleeve transfer guide rail 713. The outer sleeve transfer cylinder 711 pushes the outer sleeve transfer gripper 712 to pick up and put down the aluminum sleeve. A small TPU material picking mechanism 72 is provided on one side of the outer ring displacement mechanism 71. The small TPU material picking mechanism 72 is used to pick up the small TPU. A small TPU high-frequency welding machine 73 for welding is provided on one side of the small TPU material picking mechanism.

[0052] In another specific embodiment, the small TPU welding device 7 moves and grips the aluminum sleeve and outer sleeve through the aluminum sleeve displacement carrier mechanism 70 and the outer ring displacement carrier mechanism 71. After the aluminum sleeve and outer sleeve are gripped to the set position, the small TPU material picking mechanism 72 is used to pick up the small TPU and place it on the carrier tray fixture 2. Then, the small TPU is welded by the high-frequency welding machine 73.

[0053] Furthermore, the waste cutting device 8 includes a waste cutting displacement mechanism 80, which includes a waste cutting transfer cylinder 801. The piston rod of the waste cutting transfer cylinder 801 is connected to a waste cutting transfer gripper 802. The waste cutting transfer gripper 802 moves via a waste cutting transfer guide rail 802. The waste cutting transfer cylinder 801 pushes the waste cutting transfer gripper 803 to pick up and place the cutting fixing member 804. A die-cutting outer circle mechanism 81 and a die-cutting inner circle mechanism 82 are sequentially provided on one side of the waste cutting displacement mechanism 80. An inner circle waste picking mechanism 83 for picking up waste is provided between the die-cutting outer circle mechanism 81 and the die-cutting inner circle mechanism 82.

[0054] In another specific embodiment, after the small TPU and the outer skin are fused together, they enter the waste cutting device 8 on the side. The waste cutting device 8 has a waste transfer cylinder 801 that pushes the waste transfer gripper 803 to pick up and put down the material cutting fixture 804. On one side of the waste cutting transfer mechanism 80, there are a die cutting outer circle mechanism 81 and a die cutting inner circle mechanism 82. The die cutting outer circle mechanism 81 cuts the annular TPU residue from top to bottom on the fused earphone cover. After the annular TPU residue is cut, the die cutting inner circle mechanism 82 cuts the TPU residue from bottom to bottom. After the waste is removed, there is an inner circle waste removal mechanism 83 on the side for removing the cut waste.

[0055] Furthermore, the welding mesh device 9 includes a mesh welding displacement mechanism 90 for gripping the mesh. The mesh welding displacement mechanism 90 is located on one side of the fixture circulating transport track 1. The mesh welding displacement mechanism 90 includes a mesh transfer cylinder. The piston rod of the mesh transfer cylinder is connected to a mesh transfer gripper. The mesh transfer gripper moves through the mesh transfer guide rail. The mesh transfer cylinder pushes the mesh transfer gripper to pick up and put down the mesh. A mesh welding machine 91 is provided on one side of the mesh welding displacement mechanism 90.

[0056] In another specific embodiment, the earphone cover product after the waste material is cut enters the welding mesh device 9. The mesh transfer gripper moves through the mesh transfer guide rail. After the mesh transfer cylinder pushes the mesh transfer gripper to pick up and put down the mesh, the mesh is welded by the mesh welding machine 91.

[0057] Furthermore, the tray fixture corner transition mechanism 10 includes a lifting mechanism 100 located on the outlet side of the mesh welding machine 91. The lifting mechanism 100 is located below the fixture circulation transport track 1. The lifting mechanism 100 includes a fixture lifting platform 101. The bottom of the fixture lifting platform 101 is fixedly connected to the piston rod of the lifting cylinder 102. The lifting mechanism 100 is used to lift the tray fixture 2 and move the tray fixture 2 to the second section of the transport track 12 of the fixture circulation transport track 1 for the next cycle.

[0058] In another specific embodiment, the tray fixture corner transition mechanism 10, via the lifting mechanism 100, lifts the tray fixture 2 and moves it to the second transport track 12. The second transport track 12 then transports the tray fixture 2 onto the first transport track 11 for the next cycle. By connecting the two first transport tracks 11 via the second transport track 12, fully automated cyclic production of earphone covers is achieved, eliminating the manual operation area and greatly improving production efficiency.

[0059] In summary, the fully automated headphone case production line provided by this invention includes a closed fixture circulation transport track mounted on a frame. The fixture circulation transport track comprises two parallel first transport tracks and two second transport tracks connected to the first transport tracks. Carrier fixtures are placed at intervals on the upper surface of the fixture circulation transport track, and these carrier fixtures circulate along the track. A dough shaping device, a baking and shaping device for heating the dough, and a drying and cooling device are sequentially arranged on one of the first transport tracks. These devices can position, bake, and cool the dough. The second transport track connects to another first transport track, which is sequentially equipped with a ring-shaped TPU welding device, a small TPU welding device, a waste cutting device, and a welding mesh device to perform TPU welding processing on the cooled dough. After processing, the carrier fixtures are transported back to the first process via the second transport track. This cycle achieves fully automated production of headphone cases, improving efficiency.

[0060] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fully automated production line for earphone covers, characterized in that, It includes a closed fixture circulation transport track (1) mounted on a frame. The fixture circulation transport track (1) includes two parallel first transport tracks (11). A second transport track (12) is provided between the two disconnected ends of the two first transport tracks (11). The two first transport tracks (11) are connected by the second transport track (12) to form a closed loop. Carrier fixtures (2) are placed at intervals on the upper end face of the fixture circulation transport track (1). The carrier fixtures (2) are used to place the target workpiece and auxiliary processing tools. The carrier fixtures (2) circulate along the fixture circulation transport track (1). The first section of the transport track (11) is provided with a dough shaping device (3), a baking and shaping device (4) for heating the dough, and a drying and cooling device (5) in sequence. Another first section of the transport track (11) is provided with a welding ring TPU device (6), a welding small TPU device (7), a waste cutting device (8) and a welding mesh device (9) in sequence. The second section of the transport track (12) is equipped with a tray fixture corner transition mechanism (10); The air-drying and cooling device (5) and the welding ring TPU device (6) are connected by the second section of the transport track (12), and the welding mesh device (9) and the dough shaping device (3) are connected by the second section of the transport track (12). The carrier jig (2) includes a carrier (20), the carrier (20) is provided with a central placement position (21) and a plurality of peripheral placement positions (22) provided on the side of the central placement position (21), the central placement position (21) is used to place the target workpiece, and the peripheral placement positions (22) are used to place the auxiliary processing tool; The dough shaping device (3) includes a dough taking device (30), a pre-pressing fixture transfer device (31), an aluminum sleeve fixture transfer device (32), and a dough forming device (33) located above the fixture circulation transport track (1); the dough taking device (30) includes a dough taking cylinder (301), the piston rod of the dough taking cylinder (301) is fixedly connected to the dough taking guide rail (302), and the dough taking guide rail (302) is connected to the dough taking robot (303); The pre-compression fixture transfer device (31) includes a pre-compression fixture transfer cylinder (311), the piston rod of the pre-compression fixture cylinder (311) and the pre-compression fixture guide rail (312) are fixedly connected, the pre-compression fixture guide rail (312) and the pre-compression fixture robot (313) are connected; the pre-compression fixture transfer cylinder (311) pushes the pre-compression fixture robot (313) to pick up and place the pre-compression fixture on the middle placement position (21), the edge of the pre-compression surface; The aluminum sleeve fixture transfer device (32) includes an aluminum sleeve fixture transfer cylinder (321), the piston rod of the aluminum sleeve fixture transfer cylinder (321) and the aluminum sleeve fixture guide rail (322) are fixedly connected, the aluminum sleeve fixture guide rail (322) and the aluminum sleeve fixture transfer robot (323) are connected; the aluminum sleeve fixture transfer cylinder (321) pushes the aluminum sleeve fixture transfer robot (323) to pick up and put down the aluminum sleeve fixture, and the dough forming device (33) is used to form the dough.

2. The fully automated production line for earphone covers according to claim 1, characterized in that, The baking and shaping device (4) includes several baking machines (40), each baking machine (40) including an electromagnetic heating coil (41) located above the jig circulation transport track (1), the electromagnetic heating coil (41) being aligned with the dough.

3. The fully automated production line for earphone covers according to claim 1, characterized in that, The air-drying and cooling device (5) includes a plurality of industrial air conditioners (50) arranged in parallel, with the air outlets of the industrial air conditioners (50) aligned with the carrier tray fixture (2).

4. The fully automated production line for earphone covers according to claim 1, characterized in that, The welding ring TPU device (6) includes a ring TPU picking device (60), which includes a ring TPU transfer cylinder (601). The piston rod of the ring TPU transfer cylinder (601) is connected to a ring transfer gripper (602). The ring transfer gripper (602) moves via a ring TPU guide rail (603). The ring TPU transfer cylinder (601) pushes the ring transfer gripper (602) to pick up and place TPU. A ring TPU displacement device (61) is provided on one side of the ring TPU device (60). The displacement carrier device (61) includes an annular TPU displacement carrier cylinder (611) and an annular TPU displacement carrier gripper (612). The piston rod of the annular TPU displacement carrier cylinder (611) is connected to the annular TPU displacement carrier gripper (612). The annular TPU displacement carrier gripper (612) moves by moving the annular TPU carrier guide rail (613). The annular TPU displacement carrier cylinder (611) pushes the annular TPU displacement carrier gripper (612) to adjust the position of the annular TPU. A high-frequency welding machine (62) for welding is provided on one side of the annular TPU displacement carrier device (61).

5. The fully automated production line for earphone covers according to claim 1, characterized in that, The welding small TPU device (7) includes an aluminum sleeve displacement mechanism (70), which includes an aluminum sleeve transfer cylinder (701). The piston rod of the aluminum sleeve transfer cylinder (701) is connected to an aluminum sleeve transfer gripper (702). The aluminum sleeve transfer gripper (702) moves via an aluminum sleeve transfer guide rail (703). The transfer cylinder (701) pushes the transfer gripper (702) to pick up and place the aluminum sleeve. An outer ring displacement mechanism (71) is provided on one side of the aluminum sleeve displacement mechanism (70). The outer ring displacement mechanism (71) includes an outer sleeve transfer mechanism. The cylinder (711) has a piston rod connected to the outer sleeve transfer gripper (712). The outer sleeve transfer gripper (712) moves through the outer sleeve transfer guide rail (713). The outer sleeve transfer cylinder (711) pushes the outer sleeve transfer gripper (712) to pick up and put down the aluminum sleeve. A small TPU picking mechanism (72) is provided on one side of the outer ring displacement mechanism (71). The small TPU picking mechanism (72) is used to pick up the small TPU. A small TPU high-frequency welding machine (73) for welding is provided on one side of the small TPU picking mechanism.

6. The fully automated production line for earphone covers according to claim 1, characterized in that, The waste cutting device (8) includes a waste cutting displacement mechanism (80), which includes a waste cutting transfer cylinder (801). The piston rod of the waste cutting transfer cylinder (801) is connected to a waste cutting transfer gripper (802). The waste cutting transfer gripper (802) moves through a waste cutting transfer guide rail (803). The waste cutting transfer cylinder (801) pushes the waste cutting transfer gripper (802) to pick up and put down the cutting fixing piece (804). A die cutting outer circle mechanism (81) and a die cutting inner circle mechanism (82) are arranged sequentially on one side of the waste cutting displacement mechanism (80). An inner circle waste picking mechanism (83) for picking up waste is provided between the die cutting outer circle mechanism (81) and the die cutting inner circle mechanism (82).

7. The fully automated production line for earphone covers according to claim 1, characterized in that, The welding mesh device (9) includes a mesh welding displacement mechanism (90) for gripping the mesh. The mesh welding displacement mechanism (90) is located on one side of the jig circulation transport track (1). The mesh welding displacement mechanism (90) includes a mesh transfer cylinder (901). The piston rod of the mesh transfer cylinder (901) is connected to the mesh transfer gripper. The mesh transfer gripper (902) moves through the mesh transfer guide rail. The mesh transfer cylinder (901) pushes the mesh transfer gripper (902) to pick up and put down the mesh. A mesh welding machine (91) is provided on one side of the mesh welding displacement mechanism (90).

8. The fully automated production line for earphone covers according to claim 7, characterized in that, The tray fixture corner transition mechanism (10) includes a lifting mechanism (100) located on the outlet side of the mesh welding machine (91). The lifting mechanism (100) is located below the fixture circulation transport track (1). The lifting mechanism (100) includes a fixture lifting platform (101). The bottom of the fixture lifting platform (101) is fixedly connected to the piston rod of the lifting cylinder (102). The lifting mechanism (100) is used to lift the tray fixture (2) and move the tray fixture (2) to the second section of the transport track (12) of the fixture circulation transport track (1) for the next cycle.

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