Auxiliary frame mesh assembly fixture

Abstract

The present application discloses a fixture for assembling an auxiliary frame mesh, comprising: a working frame, comprising an upper base plate and a lower base plate spaced apart from each other; a clamping and positioning assembly, comprising a first positioning clamp plate arranged on the upper base plate and a second positioning clamp plate arranged on the lower base plate, the first positioning clamp plate and the second positioning clamp plate are located in the same vertical plane, the first positioning clamp plate is connected to the upper base plate through a first sliding assembly and can slide up and down relative to the upper base plate, and an avoidance groove is also hollowed out on the first positioning clamp plate, and the avoidance groove is configured as an avoidance frame; a stretching and positioning assembly, comprising a bearing member, a third positioning clamp plate and a fourth positioning clamp plate are symmetrically arranged on one side of the bearing member, the third positioning clamp plate is connected to the bearing member through the second sliding assembly and can slide up and down relative to the fourth positioning clamp plate, the bearing member is connected to the upper base plate through the third sliding assembly and is located on the rear side of the first positioning clamp plate, so that the bearing member can slide forward and backward relative to the first positioning clamp plate.

Description

Technical Field

[0001] The utility model generally relates to the technical field of seats, and in particular to a clamp for assisting the assembly of a frame mesh. Background Art

[0002] Mesh chairs are a type of chair that is very popular among consumers in the current market. They are formed by combining mesh with a back frame or a seat frame, which not only improves air permeability and heat dissipation, but also has a low manufacturing cost. The connection structure between the mesh and the back frame and the seat frame on the current market is mainly that there are recessed grooves along the periphery of the back frame and the seat frame; there are corresponding embedded strips on the periphery of the mesh; when installing, the operator needs to press the embedded strips on the edge of the mesh along the outer periphery of the back frame and the seat frame inward and embed them into the embedded groove; and also needs to continuously tighten the mesh so that the mesh can finally be connected to the seat in a taut state.

[0003] However, when most of the mesh strips on the mesh are embedded in the embedding groove, and only a small part of the mesh is left to be embedded; at this time, the mesh basically covers the frame; because the frame is made of metal and has no elasticity, the operator needs to spend a lot of effort to tighten the mesh when embedding the remaining part, and then continue to embed it in the embedding groove; and in this process, the operator must embed all the remaining mesh at once, otherwise if only a part is embedded and then the mesh is loosened, the embedded mesh will easily exit the embedding groove again under the action of its own tensioning elastic force; the operation is laborious and there are difficulties. Even after the operator has performed several operations, his hands will be very sore, which will reduce the success rate of subsequent operations and reduce assembly efficiency. Summary of the invention

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a clamp for assisting the assembly of the frame mesh; when the frame is meshed, the mesh is pre-connected with the upper and lower ends of the frame and one of the left and right sides. At this time, the mesh is still basically in a loose state, and the meshing operation is relatively easy; then the seat frame is placed in the clamp, so that the middle of the frame is located between the third positioning clamp and the fourth positioning clamp, and the side of the frame to be connected with the mesh is located between the first positioning clamp and the second positioning clamp. Then the first positioning clamp is driven to move downward to clamp the mesh on the side of the frame to be meshed, and the third positioning clamp is driven to move downward to clamp the frame on the bearing. Subsequently, the bearing is driven to slide backward, and the frame is driven to slide backward; so that the rear end of the mesh is correspondingly tightened, while the mesh at the front end can be kept in a loose state, so that the mesh at the front end can be easily connected to the front end of the frame; the mesh is clamped and tightened by the clamp, and the operator does not need to manually operate the mesh. The meshing operation is relatively simple and the efficiency is improved.

[0005] The effect of the utility model is achieved in this way:

[0006] The present application provides a clamp for assisting frame mesh assembly, comprising:

[0007] The working frame comprises an upper base plate and a lower base plate which are spaced apart from each other, and the space between the upper base plate and the lower base plate is configured to install a clamping positioning component and a stretching positioning component;

[0008] A clamping and positioning assembly is configured to clamp the mesh on the frame in a vertical direction, the clamping and positioning assembly includes a first positioning clamping plate arranged on the upper base plate and a second positioning clamping plate arranged on the lower base plate, the first positioning clamping plate and the second positioning clamping plate are located in the same vertical plane, the first positioning clamping plate is connected to the upper base plate through a first sliding assembly and can slide up and down relative to the upper base plate, and an avoidance groove is also hollowed out on the first positioning clamping plate, and the avoidance groove is configured as an avoidance frame;

[0009] The stretching positioning assembly is configured to push and pull the frame in the horizontal direction. The stretching positioning assembly includes a bearing member, and a third positioning clamp plate and a fourth positioning clamp plate are symmetrically arranged on one side of the bearing member. The third positioning clamp plate is connected to the bearing member through the second sliding assembly and can slide up and down relative to the fourth positioning clamp plate. The third positioning clamp plate and the fourth positioning clamp plate are configured to clamp the frame. The bearing member is connected to the upper base plate through the third sliding assembly and is located on the rear side of the first positioning clamp plate, so that the bearing member can slide back and forth relative to the first positioning clamp plate.

[0010] Furthermore, the contours of the end faces of the first positioning clamp and the second positioning clamp that are close to each other match the contours of the side cross-section of the mesh, so that the end faces of the first positioning clamp and the second positioning clamp can just fit the upper and lower surfaces of the mesh, and thus the mesh can be stably clamped between the first positioning clamp and the second positioning clamp in the clamping state, and the clamping force and tensile force on each part of the mesh are uniform.

[0011] Furthermore, the upper end of the first positioning clamp plate extends upward to form a sliding portion, and a connection hole is correspondingly opened on the upper base plate, and the sliding portion passes through the connection hole and can slide up and down relative to the upper base plate. The sliding portion passes through the connection hole to achieve sliding cooperation between the first positioning clamp plate and the upper base plate, which not only makes the connection between the first positioning clamp plate and the upper base plate more stable, but also allows the first positioning clamp plate to have a longer sliding range.

[0012] Furthermore, the first sliding assembly includes a first electric cylinder mounted on the upper base plate, and the screw rod of the first electric cylinder is connected to the first positioning clamping plate and can drive the first positioning clamping plate to slide up and down. By arranging the first electric cylinder to automatically drive the first positioning clamping plate to slide up and down, not only is the operation convenient, but also the sliding operation of the first positioning clamping plate is made more stable.

[0013] Furthermore, the end surfaces of the third and fourth positioning clamps that are close to each other are both recessed to form a clamping groove that passes through from front to back, and the contour of the clamping groove matches the outer contour of the frame, so that the clamping grooves of the third and fourth positioning clamps can just fit the outer contour of the frame, and then in the clamping state, the frame can be stably clamped between the third and fourth positioning clamps, and the clamping force on each part of the frame is uniform.

[0014] Furthermore, one of the side surfaces of the carrier is hollowed out in the horizontal direction to form a connection groove, and the third positioning clamp plate and the fourth positioning clamp plate are connected in the connection groove. By providing the connection groove, the connection between the third positioning clamp plate and the fourth positioning clamp plate and the carrier is more stable, and the connection groove is opened on the side surface of the carrier, which is also convenient for operators to install the frame from the opening on one side of the connection groove.

[0015] Furthermore, a sliding support plate is connected to the upper side of the carrier, and the third sliding assembly includes a third electric cylinder, which is installed on the rear side of the bottom end of the upper base plate. The screw of the third electric cylinder is connected to the sliding support plate and can drive the sliding support plate to slide forward and backward. By setting a larger sliding support plate, the contact surface between the sliding support plate and the upper base plate is larger, so that the stability of the carrier is better; and by setting the third electric cylinder to automatically drive the sliding support plate to slide forward and backward, not only is the operation convenient, but also the sliding operation of the carrier is more stable.

[0016] Furthermore, the second sliding assembly includes a second electric cylinder, which is mounted on the sliding support plate, and a screw rod of the second electric cylinder passes through the sliding support plate and the bearing member and is connected to the third positioning clamping plate, so that the second electric cylinder can drive the third positioning clamping plate to slide up and down. By arranging the second electric cylinder to automatically drive the third positioning clamping plate to slide up and down, not only is the operation convenient, but also the sliding operation of the third positioning clamping plate is made more stable.

[0017] Furthermore, a supporting plate is connected to the bottom end of the bearing, and the rear end of the supporting plate in the horizontal direction exceeds the rear end of the bearing, and the top surface of the rear end of the supporting plate is recessed to form a supporting groove that passes through the left and right sides, and the supporting groove is configured to support the frame. By arranging the supporting groove that passes through the left and right sides on the rear side of the bearing, the supporting groove and the clamping groove are in opposite directions, so that the mutually perpendicular support beams on the frame can be supported, so that the frame can be stably positioned on the fixture.

[0018] Furthermore, the front end of the upper substrate is recessed backwards, and the recessed portion forms an escape portion, which is configured to facilitate the operator to put his hands into the working frame to perform operations. By providing the escape portion, it is convenient for the operator to put his hands into the escape portion after the mesh is stretched and perform mesh operations on the front end, further improving the convenience of mesh operation.

[0019] The clamp for assembling the auxiliary frame mesh provided by the present application has two upper and lower ends and two left and right sides that need to be connected to the mesh. When the frame needs to be operated to touch the mesh, the operator pre-connects the mesh with the upper and lower ends of the frame and one of the left and right sides. At this time, the mesh is still in a loose state and there is no need to tighten the mesh, making the touching operation easier. When the clamp is in the initial state, the first positioning clamp slides to the top and leaves a gap between the second positioning clamp, and the third positioning clamp slides to the top and leaves a gap between the fourth positioning clamp. At this time, the frame is loaded into the clamp so that the middle of the frame is located between the third positioning clamp and the fourth positioning clamp, and the side of the frame to be connected to the mesh is located between the first positioning clamp and the second positioning clamp. Then the clamp is switched to the clamping state, the first positioning clamp is driven to move downward to clamp the mesh on the side of the frame to be touched, and the third positioning clamp is driven to move downward to clamp the frame on the carrier, so that the frame is stably positioned on the clamp. Then, the driving bearing slides backwards, and drives the frame to slide backwards; and because the front end of the mesh is clamped, the front end of the frame moves backwards relative to the front mesh, and the rear end of the mesh is tightened accordingly, but the front end of the mesh can remain loose, so that the front end of the mesh can be easily connected to the front end of the frame, and the operation is very convenient and labor-saving. Therefore, the use of the clamp to assist the mesh assembly does not require the operator to manually stretch the mesh. The clamp can stably clamp and stretch the mesh, making the net-touching operation very easy, thereby improving the net-touching efficiency of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1 A schematic diagram of the three-dimensional structure of the clamp provided in an embodiment of the present application when clamping a frame;

[0022] Figure 2 A schematic diagram of the connection structure between the clamp and the frame provided in an embodiment of the present application;

[0023] Figure 3 A schematic diagram of the state change of the mesh cloth when the carrier provided in the embodiment of the present application slides backward;

[0024] Figure 4 A schematic diagram of the three-dimensional structure of the clamp in the initial state provided in an embodiment of the present application;

[0025] Figure 5 A schematic diagram of the side structure of the clamp in the initial state provided in an embodiment of the present application;

[0026] Figure 6 A schematic diagram of the side structure of the clamp in the clamping state provided in an embodiment of the present application;

[0027] Figure 7 A schematic diagram of the side structure of a clamp for stretching a mesh provided in an embodiment of the present application;

[0028] Figure 8 A schematic diagram of the connection structure between the clamping and positioning assembly and the working frame provided in an embodiment of the present application;

[0029] Fig. 9 A schematic diagram of the connection structure between the stretching positioning assembly and the upper substrate provided in an embodiment of the present application.

[0030] The figures are marked as follows: 1-upper base plate, 101-connecting hole, 102-avoidance part, 110-support member, 2-lower base plate, 210-second positioning clamp, 3-first positioning clamp, 310-avoidance groove, 320-sliding part, 4-carrying member, 401-connecting groove, 402-sliding support plate, 410-third positioning clamp, 411-clamping groove, 420-fourth positioning clamp, 430-support plate, 431-support groove, 5-frame, 501-mesh, 6a-first electric cylinder, 6b-second electric cylinder, 6c-third electric cylinder, 7a-first slide rail, 7c-third slide rail. DETAILED DESCRIPTION

[0031] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0032] Please refer to the attached Figure 1-9 , the embodiment of the present application provides a fixture for assisting the assembly of a frame mesh, comprising:

[0033] The working frame comprises an upper base plate 1 and a lower base plate 2 which are spaced apart from each other, and the space between the upper base plate 1 and the lower base plate 2 is configured to install a clamping positioning component and a stretching positioning component;

[0034] A clamping and positioning assembly is configured to clamp the mesh 501 on the frame 5 in the vertical direction. The clamping and positioning assembly includes a first positioning clamping plate 3 arranged on the upper base plate 1 and a second positioning clamping plate 210 arranged on the lower base plate 2. The first positioning clamping plate 3 and the second positioning clamping plate 210 are located in the same vertical plane. The first positioning clamping plate 3 is connected to the upper base plate 1 through a first sliding assembly and can slide up and down relative to the upper base plate 1. The first positioning clamping plate 3 is also hollowed out to be provided with an avoidance groove 310, and the avoidance groove 310 is configured to avoid the frame 5.

[0035] The stretching positioning assembly is configured to push and pull the frame 5 in the horizontal direction. The stretching positioning assembly includes a supporting member 4, and a third positioning clamp plate 410 and a fourth positioning clamp plate 420 are symmetrically arranged on one side of the supporting member 4. The third positioning clamp plate 410 is connected to the supporting member 4 through the second sliding assembly and can slide up and down relative to the fourth positioning clamp plate 420. The third positioning clamp plate 410 and the fourth positioning clamp plate 420 are configured to clamp the frame 5. The supporting member 4 is connected to the upper base plate 1 through the third sliding assembly and is located on the rear side of the first positioning clamp plate 3, so that the supporting member 4 can slide forward and backward relative to the first positioning clamp plate 3.

[0036] In this embodiment, the frame 5 has two upper and lower ends and two left and right sides that need to be connected to the mesh 501. When the frame 5 needs to be touched, the operator pre-connects the mesh 501 with the upper and lower ends and one of the left and right sides of the frame 5. At this time, the mesh 501 is still in a loose state, and there is no need to tighten the mesh 501, making the touching operation easier. When the clamp is in the initial state, the first positioning clamp 3 slides to the top and leaves a gap between it and the second positioning clamp 210, and the third positioning clamp 410 slides to the top and leaves a gap between it and the fourth positioning clamp 420. At this time, the frame 5 is loaded into the clamp so that the middle of the frame 5 is located between the third positioning clamp 410 and the fourth positioning clamp 420, and the side of the frame 5 to be connected with the mesh 501 is located between the first positioning clamp 3 and the second positioning clamp 210. Then the clamp is switched to the clamping state, the first positioning clamp plate 3 is driven to move downward to clamp the mesh 501 on the side of the frame 5 to be touched, and the third positioning clamp plate 410 is driven to move downward to clamp the frame 5 on the carrier 4, so that the frame 5 is stably positioned on the clamp. Then, the carrier 4 is driven to slide backward, and the frame 5 is driven to slide backward; as shown in the attached figure Figure 3 As shown, since the front end of the mesh 501 is clamped, the front end of the frame 5 moves backward relative to the front mesh 501, and the rear end of the mesh 501 is tightened accordingly, but the front mesh 501 can be kept in a loose state, so that the front mesh 501 can be easily connected to the front end of the frame 5, and the operation is very convenient and labor-saving. Therefore, the clamp is used to assist the assembly of the mesh 501, and the operator does not need to manually stretch the mesh 501. The clamp can stably clamp and stretch the mesh 501, making the net-touching operation very easy, thereby improving the net-touching efficiency of the frame 5.

[0037] Among them, the lower end opening of the avoidance groove 310 is set, so that when the first positioning clamp plate 3 moves downward, the frame 5 can extend into the avoidance groove 310 from the opening, without the operator manually extending the frame 5 into the avoidance groove 310, making the positioning operation of the frame 5 easier.

[0038] Please refer to the attached Figure 1-4In some embodiments of the present application, the contours of the end faces of the first positioning clamp plate 3 and the second positioning clamp plate 210 that are close to each other are consistent with the side cross-sectional contour of the mesh 501. This allows the end faces of the first positioning clamp plate 3 and the second positioning clamp plate 210 to just fit the upper and lower surfaces of the mesh 501, so that the mesh 501 can be stably clamped between the first positioning clamp plate 3 and the second positioning clamp plate 210 in the clamping state, and the clamping force and tensile force on each part of the mesh 501 are uniform, so as to avoid the mesh 501 being torn due to uneven force when the mesh 501 is compressed or stretched.

[0039] Please refer to the attached Figure 1-4 In some embodiments of the present application, the upper end of the first positioning clamp plate 3 extends upward to form a sliding portion 320, and a connecting hole 101 is correspondingly opened on the upper substrate 1. The sliding portion 320 passes through the connecting hole 101 and can slide up and down relative to the upper substrate 1. The sliding portion 320 passes through the connecting hole 101 to achieve sliding cooperation between the first positioning clamp plate 3 and the upper substrate 1, which not only makes the connection between the first positioning clamp plate 3 and the upper substrate 1 more stable, but also allows the first positioning clamp plate 3 to have a longer sliding range.

[0040] Among them, a support member 110 is provided on the lower side of the upper base plate 1 near the connecting hole 101, and the first sliding assembly includes a first sliding rail 7a. The support member 110 and the sliding part 320 are slidingly connected through the first sliding rail 7a, so that the sliding operation of the first positioning clamp 3 is more stable and smooth.

[0041] Among them, preferably, the left and right sides of the upper end of the first positioning clamp plate 3 extend upward to form a sliding portion 320, and the upper base plate 1 also begins to have two left and right sliding portions 320 accordingly, so that the first positioning clamp plate 3 is restricted by the left and right first sliding rails 7a, further improving the stability of the sliding operation of the first positioning clamp plate 3.

[0042] Please refer to the attached Figure 8 In some embodiments of the present application, the first sliding assembly includes a first electric cylinder 6a installed on the upper base plate 1, and the screw rod of the first electric cylinder 6a is connected to the first positioning clamping plate 3 and can drive the first positioning clamping plate 3 to slide up and down. By arranging the first electric cylinder 6a to automatically drive the first positioning clamping plate 3 to slide up and down, not only is the operation convenient, but also the sliding operation of the first positioning clamping plate 3 is made more stable.

[0043] Please refer to the attached Fig. 9In some embodiments of the present application, the end surfaces of the third positioning clamping plate 410 and the fourth positioning clamping plate 420 that are close to each other are both recessed to form a clamping groove 411 that passes through from front to back, and the contour of the clamping groove 411 matches the outer contour of the frame 5. The clamping groove 411 of the third positioning clamping plate 410 and the fourth positioning clamping plate 420 can just fit the outer contour of the frame 5, and then in the clamping state, the frame 5 can be stably clamped between the third positioning clamping plate 410 and the fourth positioning clamping plate 420, and the clamping force on each part of the frame 5 is uniform, so as to avoid bending of the frame 5 due to uneven pressure on the frame 5.

[0044] Please refer to the attached Fig. 9 In some embodiments of the present application, one side of the carrier 4 is hollowed out in the horizontal direction to form a connection groove 401, and the third positioning clamp plate 410 and the fourth positioning clamp plate 420 are connected to the connection groove 401. By providing the connection groove 401, the connection between the third positioning clamp plate 410 and the fourth positioning clamp plate 420 and the carrier 4 is more stable, and the connection groove 401 is opened on the side of the carrier 4, which is also convenient for operators to install the frame 5 from the opening on one side of the connection groove 401.

[0045] Please refer to the attached Fig. 9 In some embodiments of the present application, a sliding support plate 402 is connected to the upper side of the carrier 4, and the third sliding assembly includes a third electric cylinder 6c, which is installed on the rear side of the bottom end of the upper base plate 1. The screw of the third electric cylinder 6c is connected to the sliding support plate 402 and can drive the sliding support plate 402 to slide forward and backward. Since the carrier 4 is small in size and has a small contact surface with the upper base plate 1, directly connecting the carrier 4 to the upper base plate 1 will result in poor stability of the carrier 4. Therefore, by setting a larger sliding support plate 402, the contact surface between the sliding support plate 402 and the upper base plate 1 is larger, so that the stability of the carrier 4 is better; and by setting the third electric cylinder 6c to automatically drive the sliding support plate 402 to slide forward and backward, not only is the operation convenient, but also the sliding operation of the carrier 4 is more stable.

[0046] The third sliding assembly further includes a third sliding rail 7c, and the sliding support plate 402 and the upper base plate 1 are connected via at least four third sliding rails 7c, so that the sliding operation of the sliding support plate 402 is more stable and smooth.

[0047] Please refer to the attached Fig. 9In some embodiments of the present application, the second sliding assembly includes a second electric cylinder 6b, which is mounted on the sliding support plate 402. The screw of the second electric cylinder 6b passes through the sliding support plate 402 and the bearing member 4 and is connected to the third positioning clamping plate 410, so that the second electric cylinder 6b can drive the third positioning clamping plate 410 to slide up and down. By arranging the second electric cylinder 6b to automatically drive the third positioning clamping plate 410 to slide up and down, not only is the operation convenient, but also the sliding operation of the third positioning clamping plate 410 is made more stable.

[0048] Please refer to the attached Fig. 9 In some embodiments of the present application, a supporting plate 430 is connected to the bottom end of the supporting member 4, and the rear end of the supporting plate 430 exceeds the rear end of the supporting member 4 in the horizontal direction. The top surface of the rear end of the supporting plate 430 is recessed to form a supporting groove 431 that passes through the left and right sides, and the supporting groove 431 is configured to support the frame 5.

[0049] In this embodiment, a plurality of vertically connected support beams are provided on the frame 5. By providing a support groove 431 that passes through the left and right sides on the rear side of the support 430, the support groove 431 and the clamping groove 411 are oriented in opposite directions, so that the support beams perpendicular to each other on the frame 5 can all be supported, thereby allowing the frame 5 to be stably positioned on the fixture.

[0050] Please refer to the attached Figure 1-4 In some embodiments of the present application, the front end of the upper substrate 1 is recessed backwards, and the recessed portion forms a relief portion 102, which is configured to facilitate the operator to put his hands into the working frame to perform operations. By providing the relief portion 102, it is convenient for the operator to put his hands into the relief portion 102 after the mesh 501 is stretched and perform mesh operations on the front mesh 501, further improving the convenience of mesh operation.

[0051] It should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used above to indicate orientations or positional relationships are based on the orientations 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, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means more than three.

[0052] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A fixture for assisting the assembly of a frame mesh, characterized in that: include: A working frame comprises an upper base plate (1) and a lower base plate (2) which are spaced apart from each other, wherein the space between the upper base plate (1) and the lower base plate (2) is configured to install a clamping positioning component and a stretching positioning component; A clamping and positioning assembly configured to clamp the mesh (501) on the frame (5) in a vertical direction, the clamping and positioning assembly comprising a first positioning clamping plate (3) arranged on the upper base plate (1) and a second positioning clamping plate (210) arranged on the lower base plate (2), the first positioning clamping plate (3) and the second positioning clamping plate (210) being located in the same vertical plane, the first positioning clamping plate (3) being connected to the upper base plate (1) via a first sliding assembly and being able to slide up and down relative to the upper base plate (1), and an avoidance groove (310) being hollowed out on the first positioning clamping plate (3), the avoidance groove (310) being configured to avoid the frame (5); A stretching positioning assembly is configured to push and pull a frame (5) in a horizontal direction, the stretching positioning assembly comprising a bearing member (4), one side of the bearing member (4) being symmetrically provided with a third positioning clamp plate (410) and a fourth positioning clamp plate (420) in an upper and lower direction, the third positioning clamp plate (410) being connected to the bearing member (4) via a second sliding assembly and being able to slide up and down relative to the fourth positioning clamp plate (420), the third positioning clamp plate (410) and the fourth positioning clamp plate (420) being configured to clamp the frame (5), the bearing member (4) being connected to the upper base plate (1) via a third sliding assembly and being located at the rear side of the first positioning clamp plate (3), so that the bearing member (4) can slide forward and backward relative to the first positioning clamp plate (3).

2. The auxiliary frame mesh assembly fixture according to claim 1, characterized in that: The profiles of the end surfaces of the first positioning clamping plate (3) and the second positioning clamping plate (210) that are close to each other are consistent with the side cross-sectional profile of the mesh cloth (501).

3. The fixture for assembling auxiliary frame mesh according to claim 1, characterized in that: The upper end of the first positioning clamping plate (3) extends upward to form a sliding portion (320), and a connecting hole (101) is correspondingly opened on the upper base plate (1). The sliding portion (320) passes through the connecting hole (101) and can slide up and down relative to the upper base plate (1).

4. The fixture for assembling auxiliary frame mesh according to claim 1, characterized in that: The first sliding assembly comprises a first electric cylinder (6a) mounted on the upper base plate (1); a screw rod of the first electric cylinder (6a) is connected to the first positioning clamping plate (3) and can drive the first positioning clamping plate (3) to slide up and down.

5. The fixture for assembling auxiliary frame mesh according to claim 1, characterized in that: The end surfaces of the third positioning clamping plate (410) and the fourth positioning clamping plate (420) that are close to each other are both recessed to form a clamping groove (411) that passes through from front to back, and the contour of the clamping groove (411) is consistent with the outer contour of the frame (5).

6. The auxiliary frame mesh assembly fixture according to claim 1, characterized in that: One of the side surfaces of the carrier (4) is hollowed out in the horizontal direction to form a connection groove (401), and the third positioning clamp plate (410) and the fourth positioning clamp plate (420) are connected in the connection groove (401).

7. The auxiliary frame mesh assembly fixture according to claim 1, characterized in that: The upper side of the carrier (4) is connected to a sliding support plate (402), the third sliding assembly comprises a third electric cylinder (6c), the third electric cylinder (6c) is mounted on the rear side of the bottom end of the upper base plate (1), the screw rod of the third electric cylinder (6c) is connected to the sliding support plate (402) and can drive the sliding support plate (402) to slide forward and backward.

8. The auxiliary frame mesh assembly fixture according to claim 7, characterized in that: The second sliding assembly comprises a second electric cylinder (6b), the second electric cylinder (6b) being mounted on the sliding support plate (402), the screw rod of the second electric cylinder (6b) passing through the sliding support plate (402) and the bearing member (4) and being connected to the third positioning clamping plate (410), so that the second electric cylinder (6b) can drive the third positioning clamping plate (410) to slide up and down.

9. The auxiliary frame mesh assembly fixture according to claim 1, characterized in that: The bottom end of the bearing member (4) is connected to a supporting plate (430), the rear end of the supporting plate (430) exceeds the rear end of the bearing member (4) in the horizontal direction, the top surface of the rear end of the supporting plate (430) is recessed to form a supporting groove (431) that passes through the left and right sides, and the supporting groove (431) is configured as a supporting frame (5).

10. The auxiliary frame mesh assembly fixture according to claim 1, characterized in that: The front end of the upper base plate (1) is recessed backwards, and the recessed portion forms an escape portion (102). The escape portion (102) is configured to facilitate an operator to extend his hand into the working frame to perform operations.

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