Mesh assembly process for mesh chair frames

Abstract

The application discloses a net suit assembly process of a net chair frame, which comprises the following steps: S1, inserting part of the frame into the net suit in advance; S2, loading the frame; S3, driving the pressing assembly to press the frame and the net suit; S4, preliminarily pushing the frame; S5, completely pushing the frame; S6, performing net suit assembly; and S7, taking out the frame. The frame is pressed and the net suit is pressed by the pressing assembly, the lower edge is pushed by the driving pushing piece, the frame as a whole is inserted from the opening of the net suit, the pushing piece is withdrawn after the frame is completely wrapped by the net suit, the assembly operation between the net suit and the frame is completed, the frame and the net suit on the left and right sides are pressed by the auxiliary pressing plate, and the stability of clamping is improved; the pushing piece pushes the frame into the net suit in two steps, plays a buffering role, and avoids the rupture of the net suit; when the frame is completely pushed in, the auxiliary pressing plate releases the net suit and the frame on the left and right sides, not only further prevents the rupture of the net suit, but also enables the frame to be more easily pushed into the net suit, and the success rate of assembly is improved.

Description

Technical Field

[0001] This invention generally relates to the field of seating technology, and more specifically to the mesh assembly process of a mesh chair frame. Background Technology

[0002] Mesh chairs are common in office settings, favored for their excellent breathability and heat dissipation. Some mesh chairs use a cover made of mesh fabric, with an opening on one side. The frame is inserted into the cover through this opening, and a zipper controls the opening and closing. During installation, the operator must first insert the back or seat frame into the opening of the mesh cover and pull the cover until it completely covers the frame. Then, while maintaining tautness, the operator must simultaneously pull the cover and close the zipper to secure it tautly to the chair. This process is extremely laborious, resulting in a low success rate and low assembly efficiency.

[0003] The inventor's previously filed patent provides a mesh fabric assembly process for a seat frame (application number: CN202211015755.X). When attaching the mesh to the seat frame, the mesh fabric is pre-connected to the seat frame, leaving only the second side edge to be connected. Then, a fixture is used to clamp the mesh fabric near the second side edge of the seat frame, and the fixture can drive the seat frame to sink relative to the mesh fabric, causing the mesh fabric to be stretched taut, with its upper end extending upwards beyond the second side edge. Afterwards, the mesh fabric can be easily connected to the second side edge to complete the assembly. By clamping and stretching the mesh fabric on the seat frame using the fixture, manual stretching of the mesh fabric by the operator is eliminated, solving the most labor-intensive step in the existing mesh attaching process. This greatly reduces the operator's workload and improves the efficiency of mesh attaching to the seat frame.

[0004] Although the above solution is used for the assembly between the striped mesh and the frame, its principle is still applicable to the assembly between the mesh sleeve and the frame. That is, first, put part of the frame into the mesh sleeve and clamp the middle of the mesh sleeve with a clamp. Then drive the frame to move into the mesh sleeve until the frame is completely wrapped by the mesh sleeve. The zipper at the opening of the mesh sleeve can be easily closed.

[0005] However, applying this principle to the assembly of the mesh sleeve and the frame still presents several problems: 1. The frame is located inside the mesh sleeve, making it impossible to directly fix one side of the frame with a clamp and move it as in the above solution; 2. Unlike the mesh fabric which is embedded in the slots on all four sides of the frame through inserts, there is no positioning structure between the mesh sleeve and the frame. This means that if only the middle part of the mesh sleeve is clamped, when the frame moves into the mesh sleeve, the mesh sleeve near the opening side will also be pulled to the other side by the frame, making it difficult for the mesh sleeve on the opening side to wrap the frame; 3. During the manufacturing process, the size of the frame often cannot perfectly match the mesh sleeve. When the size of the frame is slightly larger than the mesh sleeve, if the frame is moved to a position where it can be assembled at once as in the above solution, the mesh sleeve will be unable to withstand external forces and is prone to breakage. Summary of the Invention

[0006] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a mesh chair frame mesh assembly process. This process involves clamping the frame and mesh sleeve with a clamping component, driving a pusher to push the lower edge of the frame so that the entire frame passes through the opening of the mesh sleeve. After the frame is completely enclosed by the mesh sleeve, the pusher is withdrawn, allowing the worker to close the zipper of the opening and complete the assembly operation between the mesh sleeve and the frame. Furthermore, the auxiliary pressure plates on both sides clamp the left and right edges of the frame and the mesh sleeves on both sides, improving the stability of the clamping of the frame and mesh sleeves, ensuring that the mesh sleeves near the opening remain relaxed. The pusher pushes the frame completely into the mesh sleeve in two steps, providing a buffer to prevent the mesh sleeve from breaking due to excessive pulling force. Moreover, when the frame is fully pushed in, the auxiliary pressure plates release the mesh sleeves on both sides and the left and right edges of the frame, further preventing the mesh sleeve from breaking due to excessive pulling and allowing the frame to be pushed in more easily until it is completely inside the mesh sleeve, thus improving the assembly success rate.

[0007] The beneficial effects of this invention are achieved as follows: This application provides a mesh assembly process for a mesh chair frame, including the following steps: S1. Insert part of the frame into the netting beforehand; so that the upper, left and right edges of the frame are inserted into the netting, while the lower edge of the frame is not inserted into the netting and is exposed at the opening of the netting. S2. Install the frame; insert the entire frame horizontally into the tooling fixture of the auxiliary net, with the lower edge facing forward in the horizontal direction. The pushing component at the front of the tooling fixture is located on the front side of the frame, and the pushing part of the pushing component is directly opposite the lower edge. The clamping component in the middle of the tooling fixture includes a support platform, and the middle part of the frame is supported by the support platform. The positioning component at the rear of the tooling fixture includes a support plate, and the rear part of the frame is supported by the support plate. S3. Drive the clamping assembly to clamp the frame and the mesh sleeve; the clamping assembly also includes a main clamping plate located above the support platform and auxiliary clamping plates on the left and right sides. The main clamping plate moves toward the frame to clamp the mesh sleeve in the middle of the frame between the main clamping plate and the support platform. Then, the auxiliary clamping plates on the left and right sides move toward the frame to clamp the left edge, right edge and mesh sleeve on the left and right sides of the frame between the auxiliary clamping plates and the support platform, respectively. S4. Initially push the frame in; drive the pusher to push the lower edge backward, so that the whole frame can slide backward along the support plate until the lower edge passes through the opening into the mesh sleeve, then stop driving the pusher; because the middle part of the mesh sleeve is pressed by the clamping component and cannot slide, the rear part of the mesh sleeve is pushed by the upper edge and produces elastic deformation. The rear part of the mesh sleeve is stretched from a relaxed state to a semi-tight state, while the front part of the mesh sleeve is not subjected to external force and remains in a relaxed state. S5. Fully push into the frame; drive the auxiliary pressure plate to loosen the mesh sleeves on both sides and the left and right edges of the frame, and then drive the pusher to push the lower edge backward until the entire lower edge passes through the opening into the mesh sleeve, that is, the entire frame is wrapped by the mesh sleeve, and stop driving the pusher; the rear of the mesh sleeve is stretched open by the upper edge to a fully taut state, while the front of the mesh sleeve remains relaxed. S6. Perform mesh assembly; drive the auxiliary pressure plate to press the mesh on both sides and the left and right edges of the frame again, and then drive the pusher to return to the initial position; at this time, the worker can close the zipper to complete the assembly between the mesh and the frame. S7. Remove the frame; drive the main pressure plate and the auxiliary pressure plate to loosen the frame and the middle of the mesh sleeve, so that the entire frame can be removed from the tooling fixture.

[0008] Furthermore, the clamping assembly also includes a U-shaped support frame, which includes a horizontally arranged crossbeam at the top, directly opposite the support platform. The main pressure plate is connected to the lower side of the crossbeam via a first sliding structure and can slide up and down relative to the crossbeam. By setting up a U-shaped support frame and connecting the main pressure plate to the crossbeam on the upper side of the support frame via the first sliding structure, the sliding adjustment operation of the main pressure plate is made more stable and smooth.

[0009] Furthermore, the first sliding structure includes a main cylinder mounted on the upper end of the crossbeam. The lead screw of the main cylinder passes through the crossbeam and is connected to the main pressure plate. The main cylinder is configured to drive the main pressure plate to slide up and down. By setting the main cylinder to automatically drive the main pressure plate to slide up and down, the sliding operation of the main pressure plate is made more stable and convenient.

[0010] Furthermore, the auxiliary pressure plate is mounted on the left and right sides of the support platform via auxiliary cylinders. The middle of the auxiliary pressure plate is hinged to the top of the auxiliary cylinder, and the lead screw of the auxiliary cylinder is connected to one side of the auxiliary pressure plate and can drive the auxiliary pressure plate to rotate up and down. By setting the auxiliary cylinder to automatically drive the auxiliary pressure plate to rotate up and down, the rotation adjustment operation of the auxiliary pressure plate is made more stable and convenient.

[0011] Furthermore, the pushing component also includes a mounting bracket installed on the front side of the top of the tooling fixture. The pushing member is connected to the mounting bracket via a second sliding structure and can slide back and forth relative to the mounting bracket. By setting the mounting bracket and connecting the pushing member to the mounting bracket via the second sliding structure, the sliding adjustment operation of the pushing member is made more stable and smooth.

[0012] Furthermore, the second sliding structure includes a push cylinder mounted on the front end of the mounting frame. The lead screw of the push cylinder passes through the mounting frame and is connected to the front end of the push member, allowing the push cylinder to drive the push member to slide back and forth relative to the mounting frame. By setting the push cylinder to automatically drive the push member to slide back and forth, the sliding operation of the push member is made more stable and convenient.

[0013] Furthermore, the positioning component also includes a sliding plate, which is horizontally positioned and connected to the bottom end of the support plate. The sliding plate is slidably connected to the tooling fixture via a third sliding structure, allowing the sliding plate to slide and adjust back and forth relative to the tooling fixture. The support plate can be driven by the sliding plate to slide back and forth, adjusting itself according to the shape of the frame until the frame can be stably placed on the support plate. This not only improves the support effect of the support plate but also makes it suitable for frames of different shapes, thus offering good practicality.

[0014] Furthermore, the third sliding structure includes several optical shafts and several first sliding members. The sliding members are slidably connected to the optical shafts and can slide along the axial direction of the optical shafts. The optical shafts are arranged in a front-to-back direction at one of the top end of the tooling fixture and the bottom end of the sliding plate, and the first sliding members are arranged at the other of the top end of the tooling fixture and the bottom end of the sliding plate. By setting optical shafts to support and guide the sliding adjustment of the sliding plate, the sliding adjustment operation of the sliding plate is made more stable and smooth.

[0015] Furthermore, the positioning component also includes a sliding plate, which is horizontally positioned and the bottom end of the support plate is hinged to the sliding plate, allowing the support plate to rotate up and down relative to the sliding plate to adjust its tilt angle. The support plate can be rotated up and down to adjust the shape of the frame until the frame can be stably placed on the support plate, which not only improves the support effect of the support plate, but also makes the support plate applicable to frames of different shapes, further enhancing its practicality.

[0016] Furthermore, an angle adjustment mechanism is provided between the support plate and the sliding plate. This mechanism includes an adjustment rod, one end of which is hinged to one of the support plate and the sliding plate, and the other end is movably positioned between the other two plates. This allows the support plate to remain relatively fixed to the sliding plate at any tilt angle. By providing this angle adjustment mechanism, not only can the support plate automatically rotate to adjust its tilt angle, but it also allows the support plate to be fixed to the sliding plate, thus ensuring effective support for the frame.

[0017] Furthermore, the angle adjustment mechanism also includes a second sliding member. The second sliding member has a sliding groove extending in the front-to-back direction and a connecting hole. The second sliding member is screwed to the sliding plate through the sliding groove, allowing it to slide back and forth and be positioned on the sliding plate. The adjusting rod is a threaded screw, with its top end hinged to the bottom end of the support plate. The lower part of the adjusting rod passes through the connecting hole and is threaded to the second sliding member, allowing it to slide up and down and be positioned on the second sliding member. This makes the rotation adjustment operation between the support plate and the sliding plate smoother, simpler, and more convenient.

[0018] Furthermore, several optical axes are laterally arranged at the front end of the support plate. The left and right ends of the optical axes are rotatably connected to the support plate and can rotate around their own circumference. The optical axes are configured as a support frame and rotate in coordination with the sliding of the frame. By setting the optical axes, the frame can slide backward more easily with the help of the rolling of the optical axes, thereby making the sliding of the frame more stable and smooth.

[0019] The mesh chair frame assembly process provided in this application uses a clamping assembly to press the frame and mesh sleeve together. A driving pusher pushes the lower edge of the frame, allowing the entire frame to pass through the opening of the mesh sleeve. The pusher is removed after the frame is completely enclosed by the mesh sleeve, facilitating the worker to close the zipper of the opening and complete the assembly operation between the mesh sleeve and the frame. Furthermore, in addition to the main pressure plate in the middle of the mesh sleeve, the clamping assembly includes auxiliary pressure plates on both sides. These auxiliary pressure plates press the left and right edges of the frame, as well as the mesh sleeves on both sides, improving the stability of the clamping of the frame and mesh sleeve. This prevents the mesh sleeve near the opening from being easily clamped by the frame when it is pushed in. The frame is pulled to the other side, so that the mesh sleeve near the opening side can always remain in a relaxed state. Furthermore, the pusher pushes the frame completely into the mesh sleeve in two steps. Between the initial push and the complete push, the pusher stops pushing the lower edge, thus buffering the mesh sleeve and preventing it from breaking due to excessive pulling force. Moreover, when the frame is completely pushed in, the sub-pressure plate loosens the mesh sleeves on both sides and the left and right edges of the frame, thereby reducing the constraint on the frame and mesh sleeve. This not only further prevents the mesh sleeve from breaking due to excessive pulling, but also makes it easier for the frame to be pushed into the mesh sleeve completely, improving the success rate of assembly. Attached Figure Description

[0020] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 A three-dimensional structural diagram of the tooling fixture provided in the embodiments of this application; Figure 2 A schematic diagram of the connection structure between the frame, the mesh sleeve, and the tooling fixture provided in the embodiments of this application; Figure 3A three-dimensional structural diagram of the tooling fixture for clamping the clamping frame and the mesh sleeve provided in the embodiments of this application; Figure 4 A three-dimensional structural diagram of the tooling fixture for the initial insertion of the frame provided in this application embodiment; Figure 5 A three-dimensional structural diagram of the tooling fixture when the frame is fully pushed in, as provided in the embodiments of this application; Figure 6 A three-dimensional structural diagram of the tooling fixture for closing the opening of the mesh sleeve provided in the embodiments of this application; Figure 7 This is a schematic diagram illustrating the changes in the frame and mesh during the assembly process provided in the embodiments of this application. Figure 8 A schematic diagram illustrating the changes between the frame and the mesh sleeve when the clamping assembly provided in this embodiment of the application clamps the frame and the mesh sleeve; Figure 9 A schematic diagram illustrating the changes between the frame and the net sleeve during the initial insertion of the frame, as provided in the embodiments of this application; Figure 10 A schematic diagram illustrating the changes between the frame and the mesh sleeve during the complete insertion of the frame, as provided in an embodiment of this application. Figure 11 A schematic diagram illustrating the changes between the frame and the mesh sleeve when the opening of the closed mesh sleeve is provided in an embodiment of this application; Figure 12 This is a schematic diagram of the connection structure between the optical axis and the support plate provided in an embodiment of this application; Figure 13 A schematic diagram of the rear structure of the positioning assembly when the support plate rotates downward, as provided in the embodiments of this application; Figure 14 A schematic diagram of the rear structure of the positioning component when the sliding plate slides backward, as provided in the embodiments of this application; Figure 15 This is a schematic diagram of the connection structure between the support plate and the sliding plate provided in an embodiment of this application.

[0021] The attached figures are labeled as follows: 1-frame, 1a-upper edge, 1b-left edge, 1c-right edge, 1d-lower edge, 101-base, 2-net sleeve, 2a-opening, 3-pushing assembly, 310-pushing component, 320-mounting bracket, 321-top plate, 4-pressing assembly, 410-support platform, 420-main pressure plate, 430-secondary pressure plate, 440-support frame, 441-crossbeam, 5-positioning assembly, 510-support plate, 520-sliding plate, 521-first sliding component, 530-secondary sliding component, 531-sliding groove, 532-connecting hole, 6a-main cylinder, 6b-secondary cylinder, 6c-pushing cylinder, 7-optical axis, 8-adjusting rod. Detailed Implementation

[0022] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0023] Please refer to the attached document. Figure 1-15 This application provides a mesh assembly process for a mesh chair frame, including the following steps: S1. Insert part of the frame 1 into the net sleeve 2 in advance; so that the upper edge 1a, left edge 1b and right edge 1c of the frame 1 are inserted into the net sleeve 2, and the lower edge 1d of the frame 1 is not inserted into the net sleeve 2 and is exposed in the opening 2a of the net sleeve 2. S2. Install frame 1; Horizontally install frame 1 into the tooling fixture of the auxiliary mesh, with the lower edge 1d facing forward in the horizontal direction. The pushing component 3 located at the front of the tooling fixture is located on the front side of frame 1, and the pushing component 310 of the pushing component 3 is directly opposite the lower edge 1d. The clamping component 4 located in the middle of the tooling fixture includes a support platform 410, and the middle part of frame 1 is supported by the support platform 410. The positioning component 5 located at the rear of the tooling fixture includes a support plate 510, and the rear part of frame 1 is supported by the support plate 510. S3, drive the clamping assembly 4 to clamp the frame 1 and the mesh sleeve 2; the clamping assembly 4 also includes a main clamping plate 420 located above the support platform 410 and auxiliary clamping plates 430 on the left and right sides. The main clamping plate 420 moves toward the frame 1 to clamp the mesh sleeve 2 in the middle of the frame 1 between the main clamping plate 420 and the support platform 410. Then the auxiliary clamping plates 430 on the left and right sides move toward the frame 1 to clamp the left edge 1b, the right edge 1c of the frame 1 and the mesh sleeve 2 on the left and right sides between the auxiliary clamping plates 430 and the support platform 410 respectively. S4. Initially push in frame 1; drive pusher 310 to push the lower edge 1d backward, so that the whole frame 1 can slide backward along the support plate 510 until the lower edge 1d passes through the opening 2a into the mesh sleeve 2, then stop driving pusher 310; since the middle part of the mesh sleeve 2 is pressed by the clamping component 4 and cannot slide, the rear part of the mesh sleeve 2 is pushed by the upper edge 1a and produces elastic deformation. The rear part of the mesh sleeve 2 is stretched from a relaxed state to a semi-tight state, while the front part of the mesh sleeve 2 is not subjected to external force and remains in a relaxed state. S5. Fully push in frame 1; drive the auxiliary pressure plate 430 to release the mesh sleeves 2 on both sides and the left edge 1b and right edge 1c of frame 1, and then drive the pusher 310 to push the lower edge 1d backward until the entire lower edge 1d passes through the opening 2a into the mesh sleeve 2, that is, the entire frame 1 is wrapped by the mesh sleeve 2, and stop driving the pusher 310; the rear part of the mesh sleeve 2 is stretched open by the upper edge 1a to a fully taut state, while the front part of the mesh sleeve 2 remains in a relaxed state. S6. Assemble the mesh sleeve 2; drive the auxiliary pressure plate 430 to press the mesh sleeve 2 on both sides and the left edge 1b and right edge 1c of the frame 1 again, and then drive the pusher 310 to return to the initial position; at this time, the worker can close the zipper of the opening 2a to complete the assembly between the mesh sleeve 2 and the frame 1. S7. Remove frame 1; drive the main pressure plate 420 and the secondary pressure plate 430 to loosen the middle of frame 1 and mesh sleeve 2, so that the entire frame 1 can be removed from the tooling fixture.

[0024] In this embodiment, the clamping assembly 4 clamps the frame 1 and the mesh sleeve 2, and the driving pusher 310 pushes the lower edge 1d so that the entire frame 1 passes through the opening 2a of the mesh sleeve 2. After the frame 1 is completely wrapped by the mesh sleeve 2, the pusher 310 is withdrawn, making it easy for the worker to close the zipper of the opening 2a and complete the assembly operation between the mesh sleeve 2 and the frame 1. In addition to the main pressure plate 420 used to clamp the middle of the mesh sleeve 2, the clamping assembly 4 also includes auxiliary pressure plates 430 on the left and right sides. The auxiliary pressure plates 430 on the left and right sides clamp the left edge 1b, the right edge 1c of the frame 1 and the mesh sleeves on the left and right sides, improving the stability of clamping the frame 1 and the mesh sleeve 2, so that when the frame 1 is pushed in, the mesh sleeve 2 near the opening 2a is not easily crushed. The frame 1 is pulled to the other side, so that the mesh sleeve near the opening 2a can always remain in a relaxed state. Furthermore, the pusher 310 pushes the frame 1 completely into the mesh sleeve 2 in two steps. Between the initial push into the frame 1 and the complete push into the frame 2, the pusher 310 stops pushing the lower edge 1d, thereby buffering the mesh sleeve 2 and preventing it from breaking due to excessive pulling force. Moreover, when the frame 2 is completely pushed in, the sub-pressure plate 430 loosens the mesh sleeves 2 on both sides and the left edge 1b and right edge 1c of the frame 1, thereby reducing the constraint on the frame 1 and the mesh sleeve 2. This not only further prevents the mesh sleeve 2 from breaking due to excessive pulling, but also makes it easier for the frame 1 to be pushed into the mesh sleeve 2, improving the success rate of assembly.

[0025] Please refer to the attached document. Figure 2-6 In some embodiments of this application, the clamping assembly 4 further includes a U-shaped support frame 440. The support frame 440 includes a horizontally arranged crossbeam 441 at the top, which faces the support platform 410. The main pressure plate 420 is connected to the lower side of the crossbeam 441 via a first sliding structure and can slide up and down relative to the crossbeam 441. By setting the U-shaped support frame 440 and connecting the main pressure plate 420 to the crossbeam 441 on the upper side of the support frame 440 via the first sliding structure, the sliding adjustment operation of the main pressure plate 420 is made more stable and smooth.

[0026] Please refer to the attached document. Figure 2-6In some embodiments of this application, the first sliding structure includes a main cylinder 6a mounted on the upper end of a crossbeam 441. The lead screw of the main cylinder 6a passes through the crossbeam 441 and is connected to the main pressure plate 420. The main cylinder 6a is configured to drive the main pressure plate 420 to slide up and down. By setting the main cylinder 6a to automatically drive the main pressure plate 420 to slide up and down, the sliding operation of the main pressure plate 420 is made more stable and convenient.

[0027] Please refer to the attached document. Figure 2-6 In some embodiments of this application, the auxiliary pressure plate 430 is disposed on the left and right sides of the support platform 410 via auxiliary cylinders 6b. The middle part of the auxiliary pressure plate 430 is hinged to the top of the auxiliary cylinder 6b, and the lead screw of the auxiliary cylinder 6b is connected to one side of the auxiliary pressure plate 430 and can drive the auxiliary pressure plate 430 to rotate up and down. By setting the auxiliary cylinder 6b to automatically drive the auxiliary pressure plate 430 to rotate up and down, the rotation adjustment operation of the auxiliary pressure plate 430 is made more stable and convenient.

[0028] Please refer to the attached document. Figure 2-6 In some embodiments of this application, the pushing component 3 further includes a mounting bracket 320 installed on the front side of the top of the tooling fixture. The pushing member 310 is connected to the mounting bracket 320 through a second sliding structure and can slide back and forth relative to the mounting bracket 320. By setting the mounting bracket 320 and connecting the pushing member 310 to the mounting bracket 320 through the second sliding structure, the sliding adjustment operation of the pushing member 310 is made more stable and smooth.

[0029] Please refer to the attached document. Figure 2-6 In some embodiments of this application, the second sliding structure includes a push cylinder 6c mounted on the front end of the mounting bracket 320. The lead screw of the push cylinder 6c passes through the mounting bracket 320 and is connected to the front end of the push member 310, so that the push cylinder 6c can drive the push member 310 to slide back and forth relative to the mounting bracket 320. By setting the push cylinder 6c to automatically drive the push member 310 to slide back and forth, the sliding operation of the push member 310 is made more stable and convenient.

[0030] The mounting bracket 320 is topped with a top plate 321. The rear end of the top plate 321 extends beyond the rear end of the pusher 310 in the horizontal direction, and the rear end of the top plate 321 is bent downward. The top plate 321 is configured to prevent the pusher 310 from pinching the operator's hand during sliding, thus effectively improving the safety of the tooling fixture.

[0031] Please refer to the attached document. Figure 12-15 In some embodiments of this application, the positioning component 5 further includes a sliding plate 520, which is horizontally arranged and the bottom end of the support plate 510 is connected to the sliding plate 520. The sliding plate 520 is slidably connected to the tooling fixture through a third sliding structure, so that the sliding plate 520 can be adjusted back and forth relative to the tooling fixture.

[0032] In this embodiment, the support plate 510 can be driven by the sliding plate 520 to slide back and forth, so that even if the shape of the frame 1 is different, the support plate 510 can slide back and forth according to the shape of the frame 1 until the frame 1 can be stably placed on the support plate 510. This not only improves the support effect of the support plate 510, but also makes the support plate 510 applicable to frames 1 of different shapes, which has good practicality.

[0033] Please refer to the attached document. Figure 12-15 In some embodiments of this application, the third sliding structure includes a plurality of optical shafts 7 and a plurality of first sliding members 521. The sliding members 521 are slidably connected to the optical shafts 7 and can slide along the axial direction of the optical shafts 7. The optical shafts 7 are disposed in one of the top end of the tooling fixture and the bottom end of the sliding plate 520 in a front-back orientation, and the first sliding members 521 are disposed in the other of the top end of the tooling fixture and the bottom end of the sliding plate 520. By setting the optical shafts 7 to support and guide the sliding adjustment of the sliding plate 520, the sliding adjustment operation of the sliding plate 520 is made more stable and smooth.

[0034] The tooling fixture has two symmetrical bases 101 mounted on its top, with optical axes 7 mounted on each base 101. A number of first sliding elements 521 are correspondingly mounted on the bottom of the sliding plate 520. By mounting the optical axes 7 on the bases 101 of the frame 1, the sliding plate 520 is lighter and its sliding adjustment is smoother.

[0035] Preferably, the first sliding member 521 is a vertical support optical axis bracket, which is sleeved on the optical axis and can be fixed to the optical axis 7 at any position. The vertical support optical axis bracket is not only simple in structure and easy to set up, but also has a smooth material, resulting in low friction between it and the optical axis 7, and smooth sliding adjustment. Moreover, the clamping force of the vertical support optical axis bracket can be adjusted by adjusting the bolt at the top of the vertical support optical axis bracket, thereby controlling the sliding or fixing between the vertical support optical axis bracket and the optical axis 7, making operation simple.

[0036] Preferably, the front and rear ends of the optical axis 7 are also mounted on the left and right ends of the base 101 by a vertical support optical axis bracket, which makes the installation and disassembly of the optical axis 7 relatively simple.

[0037] Please refer to the attached document. Figure 12-15 In some embodiments of this application, the positioning component 5 further includes a sliding plate 520, which is horizontally arranged and the bottom end of the support plate 510 is hinged to the sliding plate 520, so that the support plate 510 can rotate up and down relative to the sliding plate 520 to adjust the tilt angle.

[0038] In this embodiment, the support plate 510 can be tilted at an adjustable angle, so that even if the shape of the frame 1 is different, the support plate 510 can be rotated up and down according to the shape of the frame 1 until the frame 1 can be stably placed on the support plate 510. This not only improves the support effect of the support plate 510, but also makes the support plate 510 applicable to frames 1 of different shapes, further improving its practicality.

[0039] Please refer to the attached document. Figure 12-15 In some embodiments of this application, an angle adjustment mechanism is provided between the support plate 510 and the sliding plate 520. The angle adjustment mechanism includes an adjustment rod 8, one end of which is hinged to one of the support plate 510 and the sliding plate 520, and the other end is movably positioned between the other of the support plate 510 and the sliding plate 520. This allows the support plate 510 to remain relatively fixed to the sliding plate 520 at any tilt angle. By providing the angle adjustment mechanism, not only can the support plate 510 automatically rotate to adjust its tilt angle, but the support plate 510 can also be fixed to the sliding plate 520, thereby ensuring the support effect on the frame 1.

[0040] Please refer to the attached document. Figure 12-15 In some embodiments of this application, the angle adjustment mechanism further includes a second sliding member 530. The second sliding member 530 has a sliding groove 531 extending in the front-back direction and a connecting hole 532. The second sliding member 530 is screwed to the sliding plate 520 through the sliding groove 531, so that the second sliding member 530 can slide back and forth and be positioned on the sliding plate 520. The adjusting rod 8 is a threaded screw. The top end of the adjusting rod 8 is hinged to the bottom end of the support plate 510. The lower part of the adjusting rod 8 passes through the connecting hole 532 and is threaded to the second sliding member 530, so that the adjusting rod 8 can slide up and down and be positioned on the second sliding member 530. Therefore, by adjusting the second sliding member 530 back and forth and the adjusting rod 8 up and down, the support plate 2 can be adjusted to rotate up and down relative to the mounting plate 3. Furthermore, when the adjusting rod 8 is screwed to the second sliding member 530, the adjusting rod 8 and the second sliding member 530 remain relatively fixed, thus achieving relative fixation between the support plate 510 and the sliding plate 520. This makes the rotation adjustment operation between the support plate 510 and the sliding plate 520 smoother, simpler, and more convenient.

[0041] The lower end of the adjusting rod 8 is provided with two nuts. When the adjusting rod 8 is connected to the second sliding member 530, the second sliding member 530 is located between the two nuts. This allows the adjusting rod 8 and the second sliding member 530 to be relatively fixed when the two nuts are turned toward each other and clamp the second sliding member 530 in the middle. When the two nuts are turned toward each other and away from the second sliding member 530, the adjusting rod 8 can be adjusted up and down relative to the second sliding member 530. The adjustment operation is relatively simple.

[0042] Please refer to the attached document. Figure 12-15 In some embodiments of this application, a plurality of optical axes 7 are laterally arranged at the front end of the support plate 510. The left and right ends of the optical axes 7 are rotatably connected to the support plate 510 and can rotate along their own circumference. The optical axes 7 are configured to support the frame 1 and rotate in coordination with the sliding of the frame 1. By setting the optical axes 7, the frame 1 can slide backward more easily with the help of the rolling of the optical axes 7, thereby making the sliding of the frame 1 more stable and smooth.

[0043] Preferably, the front end of the support plate 510 is provided with two optical axes 7, one above the other, to ensure the support and guidance effect of the optical axes 7 on the frame 1; the two ends of the optical axes 7 are connected to the support plate 510 through vertical optical axis brackets, which allows the optical axes 7 to rotate freely relative to the support plate 510, while making the installation and disassembly of the optical axes 7 relatively simple.

[0044] It should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., used above to indicate orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise stated, "a plurality of" means three or more.

[0045] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A mesh assembly process for a mesh chair frame, characterized in that, Includes the following steps: S1. Insert part of the frame (1) into the net sleeve (2) in advance; so that the upper edge (1a), left edge (1b) and right edge (1c) of the frame (1) are inserted into the net sleeve (2), and the lower edge (1d) of the frame (1) is not inserted into the net sleeve (2) and is exposed at the opening (2a) of the net sleeve (2). S2, Install the frame (1); The frame (1) is horizontally installed into the tooling fixture of the auxiliary net, and the lower edge (1d) is set forward in the horizontal direction. The pushing component (3) located at the front of the tooling fixture is located on the front side of the frame (1), and the pusher (310) of the pushing component (3) is directly opposite the lower edge (1d); The clamping component (4) located in the middle of the tooling fixture includes a support platform (410), and the middle part of the frame (1) is supported by the support platform (410); The positioning component (5) located at the rear of the tooling fixture includes a support plate (510), and the rear part of the frame (1) is supported by the support plate (510); S3, drive the clamping assembly (4) to clamp the frame (1) and the mesh sleeve (2); the clamping assembly (4) also includes a main clamping plate (420) located above the support platform (410) and auxiliary clamping plates (430) on the left and right sides. The main clamping plate (420) moves toward the frame (1) to clamp the mesh sleeve (2) in the middle of the frame (1) between the main clamping plate (420) and the support platform (410). Then the auxiliary clamping plates (430) on the left and right sides move toward the frame (1) to clamp the left edge (1b), right edge (1c) of the frame (1) and the mesh sleeve (2) on the left and right sides between the auxiliary clamping plate (430) and the support platform (410) respectively. S4. Initially push in the frame (1); drive the pusher (310) to push the lower edge (1d) backward, so that the frame (1) as a whole can slide backward along the support plate (510) until the lower edge (1d) passes through the opening (2a) into the net sleeve (2), then stop driving the pusher (310); since the middle part of the net sleeve (2) is pressed by the clamping component (4) and cannot slide, the rear part of the net sleeve (2) is pushed by the upper edge (1a) and produces elastic deformation. The rear part of the net sleeve (2) is stretched from a relaxed state to a semi-tight state, while the front part of the net sleeve (2) is not subjected to external force and remains in a relaxed state; S5. Fully push into the frame (1); drive the sub-pressure plate (430) to loosen the mesh sleeves (2) on the left and right sides and the left edge (1b) and right edge (1c) of the frame (1), thereby reducing the constraint on the frame (1) and the mesh sleeve (2). Then drive the pusher (310) again to push the lower edge (1d) backward until the entire lower edge (1d) passes through the opening (2a) into the mesh sleeve (2), that is, the entire frame (1) is wrapped by the mesh sleeve (2). Stop driving the pusher (310); the rear part of the mesh sleeve (2) is stretched open by the upper edge (1a) to a fully taut state, while the front part of the mesh sleeve (2) remains relaxed. S6. Assemble the mesh sleeve (2); drive the secondary pressure plate (430) to press the mesh sleeve (2) on the left and right sides and the left edge (1b) and right edge (1c) of the frame (1) again, and then drive the pusher (310) to return to the initial position; at this time, the worker can close the zipper of the opening (2a) to complete the assembly between the mesh sleeve (2) and the frame (1); S7. Remove the frame (1); drive the main pressure plate (420) and the secondary pressure plate (430) to loosen the middle of the frame (1) and the mesh sleeve (2), so that the frame (1) as a whole can be removed from the tooling fixture.

2. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The clamping assembly (4) also includes a U-shaped support frame (440), which includes a horizontal beam (441) arranged at the top. The beam (441) is directly opposite the support platform (410), and the main pressure plate (420) is connected to the lower side of the beam (441) through a first sliding structure and can slide up and down relative to the beam (441).

3. The mesh assembly process for the mesh chair frame according to claim 2, characterized in that, The first sliding structure includes a main cylinder (6a) mounted on the upper end of the crossbeam (441), the lead screw of the main cylinder (6a) passes through the crossbeam (441) and is connected to the main pressure plate (420), and the main cylinder (6a) is configured to drive the main pressure plate (420) to slide up and down.

4. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The auxiliary pressure plate (430) is disposed on the left and right sides of the support platform (410) via an auxiliary cylinder (6b). The middle part of the auxiliary pressure plate (430) is hinged to the top of the auxiliary cylinder (6b). The lead screw of the auxiliary cylinder (6b) is connected to one side of the auxiliary pressure plate (430) and can drive the auxiliary pressure plate (430) to rotate up and down.

5. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The pushing component (3) also includes a mounting bracket (320) installed on the front side of the top of the tooling fixture. The pushing member (310) is connected to the mounting bracket (320) through a second sliding structure and can slide back and forth relative to the mounting bracket (320).

6. The mesh assembly process for the mesh chair frame according to claim 5, characterized in that, The second sliding structure includes a push cylinder (6c) installed at the front end of the mounting bracket (320). The lead screw of the push cylinder (6c) passes through the mounting bracket (320) and is connected to the front end of the push member (310), so that the push cylinder (6c) can drive the push member (310) to slide back and forth relative to the mounting bracket (320).

7. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The positioning component (5) further includes a sliding plate (520), which is horizontally arranged and the bottom end of the support plate (510) is connected to the sliding plate (520). The sliding plate (520) is slidably connected to the tooling fixture through a third sliding structure, so that the sliding plate (520) can be adjusted back and forth relative to the tooling fixture.

8. The mesh assembly process for the mesh chair frame according to claim 7, characterized in that, The third sliding structure includes a plurality of optical shafts (7) and a plurality of first sliding members (521). The sliding members (521) are slidably connected to the optical shafts (7) and can slide along the axial direction of the optical shafts (7). The optical shafts (7) are arranged in a front-back orientation at one of the top end of the tooling fixture and the bottom end of the sliding plate (520), and the first sliding members (521) are arranged at the other of the top end of the tooling fixture and the bottom end of the sliding plate (520).

9. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The positioning component (5) further includes a sliding plate (520), which is horizontally arranged and the bottom end of the support plate (510) is hinged to the sliding plate (520), so that the support plate (510) can rotate up and down relative to the sliding plate (520) to adjust the tilt angle.

10. The mesh assembly process for the mesh chair frame according to claim 9, characterized in that, An angle adjustment mechanism is provided between the support plate (510) and the sliding plate (520). The angle adjustment mechanism includes an adjustment rod (8). One end of the adjustment rod (8) is hinged to one of the support plate (510) and the sliding plate (520), and the other end is movably positioned between the support plate (510) and the sliding plate (520), so that the support plate (510) can remain relatively fixed to the sliding plate (520) at any tilt angle.

11. The mesh assembly process for the mesh chair frame according to claim 10, characterized in that, The angle adjustment mechanism further includes a second sliding member (530), which has a sliding groove (531) extending in the front-back direction and a connecting hole (532). The second sliding member (530) is screwed to the sliding plate (520) through the sliding groove (531), so that the second sliding member (530) can slide back and forth and be positioned on the sliding plate (520). The adjusting rod (8) is a threaded screw. The top end of the adjusting rod (8) is hinged to the bottom end of the support plate (510). The lower part of the adjusting rod (8) passes through the connecting hole (532) and is threaded to the second sliding member (530), so that the adjusting rod (8) can slide up and down and be positioned on the second sliding member (530).

12. The mesh assembly process for the mesh chair frame according to claim 1, characterized in that, The front end of the support plate (510) is provided with several optical axes (7). The left and right ends of the optical axes (7) are rotatably connected to the support plate (510) and can rotate along their own circumference. The optical axes (7) are configured as a support frame (1) and rotate in coordination with the sliding of the frame (1).

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