Simple glass substrate clamp
By designing a simple glass substrate fixture and adopting a clamping unit and frame structure with double torsion springs, the problems of complexity, high cost and poor stability in the prior art are solved, and the clamping stability and compatibility are achieved.
Patent Information
- Application Number
- CN202421135186.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In the prior art, the clamping unit of the substrate fixture has a complex structure, high manufacturing cost, large clamping force and unstable, resulting in poor stability in the substrate conveying process. Especially for glass substrates, fragmentation is prone to occur during clamping, and the compatibility is also low, so it is unable to adapt to substrates of different sizes and specifications.
A simple glass substrate fixture is designed, adopting a structure of a frame, a fixed plate, a movable plate, a clamping unit and a slide. The clamping unit is composed of a double torsion spring. By elastically clamping the glass substrate, the clamping unit is evenly arranged along the width direction of the glass substrate to ensure stability and compatibility.
It achieves stable clamping and moderate clamping force, avoids cracking of glass substrates, simple structure, simple installation, low manufacturing cost, good compatibility, and wide application range.
Smart Images
Figure CN222573649U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit board manufacturing, in particular to a simple glass substrate clamp. Background Art
[0002] In the manufacturing process of circuit boards, in order to realize the transfer of substrates between various production stations and perform different production operations on the substrates, it is usually necessary to set up a substrate transfer device. The substrate transfer device is generally a frame-type clamping fixture, which is mainly used to clamp the substrate in the fixture, and the fixture is then moved along the conveying track to realize the conveyance of the circuit board.
[0003] The clamping unit of the existing clamps is generally complex in structure and has high manufacturing cost. The clamping force of the elastic body of the clamping unit is large or the clamping is unstable, resulting in poor stability in the substrate conveying process. Glass substrates are thinner and more fragile than copper foil substrates, and even breakage occurs when clamping glass substrates. In addition, the existing clamps are generally unable to clamp substrates of different sizes and specifications, and have low compatibility. Utility Model Content
[0004] The utility model aims to provide a simple glass substrate clamp to overcome the shortcomings of the prior art.
[0005] In order to solve the above technical problems, the technical solution of the utility model is: a simple glass substrate clamp, including a frame, a fixed plate, a movable plate, a clamping unit, and a slide seat, wherein the upper end of the frame is provided with a fixed plate, and the lower end of the frame is provided with a movable plate movably connected thereto, and the fixed plate and the movable plate are provided with a plurality of clamping units correspondingly arranged up and down, and the plurality of clamping units are evenly arranged along the width direction of the glass substrate for clamping the glass substrate; the clamping unit includes a double torsion spring, and the double torsion spring cooperates with the fixed plate or the movable plate to elastically clamp the glass substrate; the slide seat is fixed at the lower end of the frame, and is used for limiting and supporting the movable plate, and the lower end of the movable plate is inserted in the slide seat and slidably connected to the slide seat.
[0006] Furthermore, in the above-mentioned simple glass substrate clamp, the double torsion spring includes two spring bodies and a torque arm 1 and a torque arm 2 arranged opposite to the spring bodies, the spring body is a spiral spring, the torque arm 1 is fixedly connected to the fixed plate or the movable plate, and the torque arm 2 cooperates with the fixed plate or the movable plate to clamp the glass substrate.
[0007] Furthermore, in the above-mentioned simple glass substrate clamp, when no force is applied, the angle between the first torque arm and the second torque arm is less than 90°, specifically 50-70°.
[0008] Furthermore, in the above-mentioned simple glass substrate clamp, the torque arm 1 is provided at two, respectively provided at the outside of the two spring bodies, the torque arm 1 is L-shaped, and includes a connecting rod and a limiting rod, the connecting rod is horizontally extended along the tangential direction of the spring body, and the limiting rod is vertically provided and abuts against the front side of the fixed plate or the movable plate.
[0009] Furthermore, in the above-mentioned simple glass substrate clamp, the clamping unit also includes a limit plate fixed on the torque arm one, the limit plate is an L-shaped plate, and its horizontal plate is fixedly connected to the two connecting rods through rollers arranged on both sides, the rollers are wrapped around the outside of the connecting rods by bending, and the limit plate and the torque arm one are arranged back to back; the rear side surfaces of the fixed plate and the movable plate are provided with a limit groove one arranged corresponding to the limit plate, the limit groove one is L-shaped, the limit plate passes through the front side of the fixed plate or the movable plate and extends into the limit groove one, and its vertical plate abuts against the bottom surface of the limit groove one; through the abutment of the limit rod against the front side surface of the fixed plate or the movable plate and the abutment of the vertical plate of the limit plate against the bottom surface of the limit groove one, two relative forces are formed, so that the torque arm one is fixedly connected to the fixed plate or the movable plate.
[0010] Further, in the above-mentioned simple glass substrate clamp, the torque arm 2 is arranged between the two spring bodies to connect the two spring bodies, the torque arm 2 is an irregular U-shaped structure, including two elastic rods 1, two arc-shaped elastic rods, two elastic rods 2 and a U-shaped connecting rod connecting the two elastic rods 2 symmetrically arranged on both sides, the elastic rod 1 is extended and inclined along the tangent direction of the spring body, the arc-shaped elastic rod is an arc-shaped rod, arranged between the elastic rod 1 and the elastic rod 2, the elastic rod 2 is extended and inclined along the tangent direction of the arc-shaped elastic rod, the U-shaped connecting rod is arranged perpendicular to the elastic rod 2, and is a clamping part for clamping the glass substrate, the elastic rod 1, the arc-shaped elastic rod, the elastic rod 2 and the U-shaped connecting rod are connected by arc transition; the fixed plate and the movable plate are provided with a plurality of through-limiting grooves 2 corresponding to the double torsion springs, the U-shaped connecting rod passes through the front side of the limiting groove 2, and abuts against the rear side of the fixed plate or the movable plate under the action of elastic potential energy.
[0011] Furthermore, in the above-mentioned simple glass substrate clamp, the U-shaped connecting rod is externally covered with a soft rubber sleeve.
[0012] Furthermore, in the above-mentioned simple glass substrate clamp, the angle between the elastic rod 1 and the elastic rod 2 is greater than 90°, and the arc radius of the arc-shaped elastic rod is less than 3 times the outer diameter of the double torsion spring.
[0013] Furthermore, in the above-mentioned simple glass substrate clamp, the elastic coefficient of the double torsion spring is not less than 0.85 N / mm.
[0014] Furthermore, in the above-mentioned simple glass substrate clamp, the slide seat is provided with two, symmetrically arranged at the lower end of the frame, including a slide plate 1 and a slide plate 2, the slide plate 1 is fixedly connected to the frame, the slide plate 2 is fixed on the slide plate 1, a U-shaped slide groove is provided between the slide plate 1 and the slide plate 2, and the lower end of the movable plate is inserted in the slide groove and is slidably connected to the slide groove.
[0015] Furthermore, in the above-mentioned simple glass substrate clamp, the frame is also provided with limit seats on both sides, the limit seats are movably connected to the top surface of the movable plate to stop the movable plate; the limit seats are also adjustably connected to the frame through long strip holes provided on the frame.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the clamping unit of the utility model has stable clamping, small clamping force, can avoid the glass substrate from being broken when clamped, and has a simple structure, easy installation and low manufacturing cost; at the same time, it can be suitable for clamping glass substrates of different sizes, has good compatibility and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 The structure of the simple glass substrate clamp of the utility model is shown in FIG. Figure 1 ;
[0019] Figure 2 The structure of the simple glass substrate clamp of the utility model is shown in FIG. Figure 2 ;
[0020] Figure 3 for Figure 1 A local enlarged schematic diagram;
[0021] Figure 4 It is a schematic diagram of glass substrate clamping of the simple glass substrate clamp of the utility model;
[0022] Figure 5 This is a schematic structural diagram of a clamping unit (before installation) of a simple glass substrate clamp of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the double torsion spring of the simple glass substrate clamp of the utility model in a state where the double torsion spring is not under stress;
[0024] In the figure: 1, frame; 2, fixed plate; 3, movable plate; 4, double torsion spring; 41, spring body; 42, torque arm 1; 421, connecting rod; 422, limit rod; 43, torque arm 2; 431, elastic rod 1; 432, arc elastic rod; 433, elastic rod 2; 434, U-shaped connecting rod; 44, soft rubber sleeve; 5, slide seat; 51, slide plate 1; 52, slide plate 2; 53, slide groove; 6, limit plate; 61, reel; 7, limit groove 1; 8, limit groove 2; 9, limit seat;
[0025] 10. Glass substrate. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Example 1
[0028] like Figure 1-6 As shown, a simple glass substrate clamp comprises a frame 1, a fixed plate 2, a movable plate 3, a clamping unit, and a slide seat 5. The upper end of the frame 1 is provided with a fixed plate 2, and the lower end of the frame 1 is provided with a movable plate 3 movably connected thereto. The fixed plate 2 and the movable plate 3 are provided with a plurality of clamping units correspondingly arranged up and down, and the plurality of clamping units are evenly arranged along the width direction of the glass substrate 10, and are used to clamp the glass substrate 10; the clamping unit comprises a double torsion spring 4, and the double torsion spring 4 cooperates with the fixed plate 2 or the movable plate 3 to elastically clamp the glass substrate 10; the glass substrate 10 is clamped by using a plurality of double torsion springs 4 correspondingly arranged up and down, and the clamping is stable, and the double torsion spring 4 is a small-diameter torsion spring, and when clamping the glass substrate 10, the glass substrate can be clamped by only pressing and releasing the double torsion spring 4, and the clamping force is small, which can avoid the glass substrate from being broken when clamped, and the structure is simple, the installation is easy, and the manufacturing cost is low.
[0029] Among them, Figure 1-3As shown, the slide 5 is fixed at the lower end of the frame 1, and is used to limit and support the movable plate 3, which can prevent the lower end of the glass substrate 10 from shaking during the conveying and moving process of the clamp, and improve the stability. The lower end of the movable plate 3 is inserted into the slide 5 and is slidably connected with the slide 5. Specifically, the slide 5 is provided with two, which are symmetrically arranged at the lower end of the frame 1, including a slide plate 1 51 and a slide plate 2 52. The slide plate 1 51 is fixedly connected to the frame 1, and the slide plate 2 52 is fixed on the slide plate 1 51. A U-shaped slide groove 53 with an upper end opening is formed between the slide plate 1 51 and the slide plate 2 52. The lower end of the movable plate 3 is inserted into the slide groove 53 and is slidably connected to the slide groove 53; the frame 1 is also provided with limit seats 9 on both sides, and the limit seats 9 are movably connected to the top surface of the movable plate 3, and are used to stop the movable plate 3; the limit seats 3 are also adjustably connected to the frame 1 through the long strip holes provided on the frame 1, and have good flexibility. When the glass substrate 10 is not installed, the movable plate 3 is at the bottom of the slide groove 53 due to its own gravity. When the glass substrate 10 is installed, the double torsion spring 4 on the movable plate 3 clamps the lower part of the glass substrate 10, and then pushes the movable plate 3 upward to make the upper part of the glass substrate 10 close to the clamping unit on the fixed plate 2, and presses and releases the double torsion spring 4 at the upper end to clamp the upper part of the glass substrate 10, and finally releases the movable plate 3 at the lower end to complete the clamping of the glass substrate 10. When clamping, the movable plate 3 can adapt to the clamping of glass substrates 10 of different lengths, and multiple clamping units can adapt to the clamping of glass substrates 10 of different widths, with good compatibility and a wide range of applications. At the same time, the limit seat 9 can stop the movable plate 3 to prevent the movable plate from detaching from the slide groove 53 on the slide seat 5.
[0030] Example 2
[0031] Based on the structure of Example 1, Figure 4-6 As shown, the double torsion spring 4 includes two spring bodies 41 and a torque arm 1 42 and a torque arm 2 43 which are arranged opposite to the spring body 41. The spring body 41 is a spiral spring. The torque arm 1 42 is fixedly connected to the fixed plate 2 or the movable plate 3. The torque arm 2 43 cooperates with the fixed plate 2 or the movable plate 3 to clamp the glass substrate 10.
[0032] The elastic coefficient of the double torsion spring 4 is not less than 0.85 N / mm, and the deformation is small.
[0033] In the unstressed state, Figure 4 , 6 As shown, the angle θ between the torque arm 1 42 and the torque arm 2 43 is less than 90°, and can be specifically 50°. In this embodiment, the angle θ between the torque arm 1 42 and the torque arm 2 43 is the angle between the connecting rod 421 and the elastic rod 2 433 .
[0034] like Figure 4-6As shown, the torque arm 42 is arranged at two, respectively arranged on the outside of the two spring bodies 41, the torque arm 42 is L-shaped, including a connecting rod 421 and a limiting rod 422, the connecting rod 421 is horizontally arranged along the tangential extension of the spring body 41, and the limiting rod 422 is vertically arranged and abuts against the front side of the fixed plate 2 or the movable plate 3.
[0035] like Figure 4-6 As shown, the clamping unit also includes a limit plate 6 fixed on the torque arm 42. The limit plate is an L-shaped plate, and its horizontal plate is fixedly connected to the two connecting rods 421 through rollers 61 arranged on both sides. The roller 61 is bent and wrapped around the outside of the connecting rod 421 to connect the two torque arms 42 together to improve the structural strength. The limit plate 6 and the torque arm 42 are arranged back to back; the rear side surfaces of the fixed plate 2 and the movable plate 3 are provided with limit grooves arranged corresponding to the limit plate 6 The limiting groove 7 is L-shaped, and the limiting plate 6 extends from the front side of the fixed plate 2 or the movable plate 3 into the limiting groove 7, and its vertical plate abuts against the bottom surface of the limiting groove 7; the limiting rod 422 abuts against the front side of the fixed plate 2 or the movable plate 3, and the vertical plate of the limiting plate 6 abuts against the bottom surface of the limiting groove 7 (similar to the rear side of the fixed plate 2 or the movable plate 3), forming two relative forces, so that the torque arm 42 is fixedly connected to the fixed plate 2 or the movable plate 3. The clamping unit has a simple structure and is easy to install. It does not need to be fixed with fasteners, and its installation with the frame is directly achieved through the cooperation between the limiting plate 6 and the torque arm 42.
[0036] Among them, Figure 4-6As shown, the torque arm 2 43 is arranged between the two spring bodies 41, connecting the two spring bodies 41, and the torque arm 2 43 is an irregular U-shaped structure, including two elastic rods 1 431 symmetrically arranged on both sides, two arc-shaped elastic rods 432, two elastic rods 2 433 and a U-shaped connecting rod 434 connecting the two elastic rods 2 433, the elastic rod 1 431 is arranged along the tangential extension of the spring body 41, the arc-shaped elastic rod 432 is an arc-shaped rod, arranged between the elastic rod 1 431 and the elastic rod 2 433, and the elastic rod 2 433 The U-shaped connecting rod 434 is arranged perpendicularly to the second elastic rod 433 and is a clamping part for clamping the glass substrate 10. The first elastic rod 431, the arc-shaped elastic rod 432, the second elastic rod 433 and the U-shaped connecting rod 434 are connected by arc transitions. The fixed plate 2 and the movable plate 3 are provided with a plurality of through-limiting grooves 8 corresponding to the double torsion springs 4. The U-shaped connecting rod 434 passes through the front side of the second limiting groove 8 and abuts against the rear side of the fixed plate 2 or the movable plate 3 under the action of elastic potential energy. The torque arm 43 composed of the first elastic rod 431, the arc-shaped elastic rod 432, the second elastic rod 433 and the U-shaped connecting rod 434 improves the overall elasticity of the second torque arm 43, can avoid multiple complete fractures, and extend the service life. Specifically, the angle between the elastic rod 1 431 and the elastic rod 2 433 is greater than 90°, and the arc radius R of the arc elastic rod 432 is less than 3 times the outer diameter d of the double torsion spring 4. In this embodiment, the outer diameter d of the double torsion spring is not greater than 3 mm.
[0037] In addition, if Figure 4-6 As shown, the U-shaped connecting rod 434 is externally covered with a soft rubber sleeve 44 , so that the friction between the U-shaped connecting rod 434 and the glass substrate 10 is large, the clamping is stable, and damage to the glass substrate 10 is avoided.
[0038] Example 3
[0039] Based on the structure of Example 1, Figure 4-6 As shown, the double torsion spring 4 includes two spring bodies 41 and a torque arm 1 42 and a torque arm 2 43 which are arranged opposite to the spring body 41. The spring body 41 is a spiral spring. The torque arm 1 42 is fixedly connected to the fixed plate 2 or the movable plate 3. The torque arm 2 43 cooperates with the fixed plate 2 or the movable plate 3 to clamp the glass substrate 10.
[0040] The elastic coefficient of the double torsion spring 4 is not less than 0.85 N / mm, and the deformation is small.
[0041] In the unstressed state, Figure 4 , 6As shown, the angle θ between the torque arm 1 42 and the torque arm 2 43 is less than 90°, specifically 70°. In this embodiment, the angle θ between the torque arm 1 42 and the torque arm 2 43 is the angle between the connecting rod 421 and the elastic rod 2 433 .
[0042] like Figure 4-6 As shown, the torque arm 42 is arranged at two, respectively arranged on the outside of the two spring bodies 41, the torque arm 42 is L-shaped, including a connecting rod 421 and a limiting rod 422, the connecting rod 421 is horizontally arranged along the tangential extension of the spring body 41, and the limiting rod 422 is vertically arranged and abuts against the front side of the fixed plate 2 or the movable plate 3.
[0043] like Figure 4-6 As shown, the clamping unit also includes a limit plate 6 fixed on the torque arm 42. The limit plate is an L-shaped plate, and its horizontal plate is fixedly connected to the two connecting rods 421 through rollers 61 arranged on both sides. The roller 61 is bent and wrapped around the outside of the connecting rod 421 to connect the two torque arms 42 together to improve the structural strength. The limit plate 6 and the torque arm 42 are arranged back to back; the rear side surfaces of the fixed plate 2 and the movable plate 3 are provided with limit grooves arranged corresponding to the limit plate 6 The limiting groove 7 is L-shaped, and the limiting plate 6 extends from the front side of the fixed plate 2 or the movable plate 3 into the limiting groove 7, and its vertical plate abuts against the bottom surface of the limiting groove 7; the limiting rod 422 abuts against the front side of the fixed plate 2 or the movable plate 3, and the vertical plate of the limiting plate 6 abuts against the bottom surface of the limiting groove 7 (similar to the rear side of the fixed plate 2 or the movable plate 3), forming two relative forces, so that the torque arm 42 is fixedly connected to the fixed plate 2 or the movable plate 3. The clamping unit has a simple structure and is easy to install. It does not need to be fixed with fasteners, and its installation with the frame is directly achieved through the cooperation between the limiting plate 6 and the torque arm 42.
[0044] Among them, Figure 4-6As shown, the torque arm 2 43 is arranged between the two spring bodies 41, connecting the two spring bodies 41, and the torque arm 2 43 is an irregular U-shaped structure, including two elastic rods 1 431 symmetrically arranged on both sides, two arc-shaped elastic rods 432, two elastic rods 2 433 and a U-shaped connecting rod 434 connecting the two elastic rods 2 433, the elastic rod 1 431 is arranged along the tangential extension of the spring body 41, the arc-shaped elastic rod 432 is an arc-shaped rod, arranged between the elastic rod 1 431 and the elastic rod 2 433, and the elastic rod 2 433 The U-shaped connecting rod 434 is arranged perpendicularly to the second elastic rod 433 and is a clamping part for clamping the glass substrate 10. The first elastic rod 431, the arc-shaped elastic rod 432, the second elastic rod 433 and the U-shaped connecting rod 434 are connected by arc transitions. The fixed plate 2 and the movable plate 3 are provided with a plurality of through-limiting grooves 8 corresponding to the double torsion springs 4. The U-shaped connecting rod 434 passes through the front side of the second limiting groove 8 and abuts against the rear side of the fixed plate 2 or the movable plate 3 under the action of elastic potential energy. The torque arm 43 composed of the first elastic rod 431, the arc-shaped elastic rod 432, the second elastic rod 433 and the U-shaped connecting rod 434 improves the overall elasticity of the second torque arm 43, can avoid multiple complete fractures, and extend the service life. Specifically, the angle between the elastic rod 1 431 and the elastic rod 2 433 is greater than 90°, and the arc radius R of the arc elastic rod 432 is less than 3 times the outer diameter d of the double torsion spring 4. In this embodiment, the outer diameter d of the double torsion spring is not greater than 3 mm.
[0045] In addition, if Figure 4-6 As shown, the U-shaped connecting rod 434 is externally covered with a soft rubber sleeve 44 , so that the friction between the U-shaped connecting rod 434 and the glass substrate 10 is large, the clamping is stable, and damage to the glass substrate 10 is avoided.
[0046] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A simple glass substrate clamp, characterized in that: The invention comprises a frame, a fixed plate, a movable plate, a clamping unit and a sliding seat. The upper end of the frame is provided with a fixed plate, the lower end of the frame is provided with a movable plate movably connected thereto, the fixed plate and the movable plate are provided with a plurality of clamping units correspondingly arranged up and down, the plurality of clamping units are evenly arranged along the width direction of the glass substrate and are used to clamp the glass substrate; the clamping unit comprises a double torsion spring, the double torsion spring cooperates with the fixed plate or the movable plate to elastically clamp the glass substrate; the sliding seat is fixed at the lower end of the frame and is used to limit and support the movable plate, the lower end of the movable plate is inserted in the sliding seat and is slidably connected to the sliding seat.
2. The simple glass substrate clamp according to claim 1, characterized in that: The double torsion spring includes two spring bodies and a torque arm 1 and a torque arm 2 which are arranged opposite to the spring bodies. The spring body is a spiral spring. The torque arm 1 is fixedly connected to a fixed plate or a movable plate. The torque arm 2 cooperates with the fixed plate or the movable plate to clamp the glass substrate.
3. The simple glass substrate clamp according to claim 2, characterized in that: In a state without being stressed, the angle between the torque arm 1 and the torque arm 2 is 50-70°.
4. The simple glass substrate clamp according to claim 2, characterized in that: The torque arm 1 is arranged at two, respectively arranged on the outside of the two spring bodies, the torque arm 1 is L-shaped, and includes a connecting rod and a limiting rod, the connecting rod is arranged horizontally along the tangential extension of the spring body, and the limiting rod is arranged vertically and abuts against the front side of the fixed plate or the movable plate.
5. The simple glass substrate clamp according to claim 4, characterized in that: The clamping unit also includes a limit plate fixed on the torque arm 1, and the limit plate is an L-shaped plate, and its horizontal plate is fixedly connected to the two connecting rods through rollers arranged on both sides, and the rollers are wrapped around the outside of the connecting rods by bending, and the limit plate and the torque arm 1 are arranged back to back; the rear side surfaces of the fixed plate and the movable plate are provided with a limit groove 1 arranged corresponding to the limit plate, and the limit groove 1 is L-shaped, and the limit plate passes through the front side of the fixed plate or the movable plate and extends into the limit groove 1, and its vertical plate abuts against the bottom surface of the limit groove 1; the torque arm 1 is fixedly connected to the fixed plate or the movable plate through the limit rod abutting against the front side surface of the fixed plate or the movable plate and the vertical plate of the limit plate abutting against the bottom surface of the limit groove 1.
6. The simple glass substrate clamp according to claim 2 or 3, characterized in that: The second torsion arm is arranged between the two spring bodies and connects the two spring bodies. The second torsion arm is an irregular U-shaped structure, including two elastic rods 1, two arc-shaped elastic rods, two elastic rods 2 and a U-shaped connecting rod connecting the two elastic rods 2 symmetrically arranged on both sides. The first elastic rod is arranged obliquely along the tangential direction of the spring body. The arc-shaped elastic rod is an arc-shaped rod, which is arranged between the first elastic rod and the second elastic rod. The second elastic rod extends and is obliquely arranged along the tangential direction of the arc-shaped elastic rod. The U-shaped connecting rod is arranged perpendicular to the second elastic rod and is a clamping part for clamping the glass substrate. The first elastic rod, the arc-shaped elastic rod, the second elastic rod and the U-shaped connecting rod are connected by arc transition. The fixed plate and the movable plate are provided with a plurality of through-limiting grooves 2 corresponding to the double torsion springs. The U-shaped connecting rod passes through the front side of the second limiting groove and abuts against the rear side of the fixed plate or the movable plate under the action of elastic potential energy.
7. The simple glass substrate clamp according to claim 6, characterized in that: The outer sleeve of the U-shaped connecting rod is provided with a soft rubber sleeve.
8. The simple glass substrate clamp according to claim 6, characterized in that: The arc radius of the arc-shaped elastic rod is less than 3 times the outer diameter of the double torsion spring, and in a state without being subjected to force, the angle between the elastic rod 1 and the elastic rod 2 is greater than 90°.
9. The simple glass substrate clamp according to claim 1, characterized in that: The elastic coefficient of the double torsion spring is not less than 0.85N / mm.
10. The simple glass substrate clamp according to claim 1, characterized in that: There are two slide seats, which are symmetrically arranged at the lower end of the frame, including slide plate 1 and slide plate 2. Slide plate 1 is fixedly connected to the frame, and slide plate 2 is fixed on slide plate 1. A U-shaped slide groove is provided between slide plate 1 and slide plate 2, and the lower end of the movable plate is inserted into the slide groove and slidably connected to the slide groove; limit seats are also provided on both sides of the frame, and the limit seats are movably connected to the top surface of the movable plate to stop the movable plate from pushing up.