A water permeation resistant expansion rubber strip mounting jig

Abstract

This utility model relates to the field of fixture and tooling technology, and discloses a water-resistant and expansion-resistant rubber strip mounting fixture, including a housing. A cylinder is fixedly connected to the inner wall of the housing, and a cam is fixedly connected to the output end of the cylinder. A base is fixedly connected to the outer wall of the housing, and a fixing plate is fixedly connected to the outer wall of the housing. A guide rod is fixedly connected to the outer wall of the fixing plate, and a spring is sleeved on the outer wall of the guide rod. One end of the spring is fixedly connected to the outer wall of the fixing plate, and the other end of the spring is fixedly connected to a slider. A chuck is fixedly connected to the outer wall of the slider, and a quick-release assembly is provided on the inner wall of the slider. A clamping assembly is provided above the base. In this utility model, two sliding tubes move in opposite directions or back to back through a sliding hole, thereby driving the slider to slide along the guide rail, ultimately causing the two grippers to simultaneously clamp or release the workpiece. This process solves the problem of inaccurate workpiece positioning and achieves stable clamping and precise positioning.

Description

Technical Field

[0001] This utility model relates to the field of fixture and tooling technology, and in particular to a water-resistant and expansion-resistant rubber strip installation fixture. Background Technology

[0002] Water-swellable rubber strips are sealing and waterproofing materials used in building construction for expansion joints, construction joints, and pipe interfaces. When exposed to water, they expand in volume and effectively seal gaps to prevent leakage. They are crucial for improving the waterproofing reliability of underground projects, water tanks, tunnels, etc. During construction, the rubber strips need to be accurately installed in the grooves of concrete or metal components. However, because the rubber strips are soft and highly elastic, manual installation is inefficient and results in poor flatness. Uneven stretching can easily lead to twisting, damage, or breakage, affecting the sealing effect. Therefore, specialized installation tools are urgently needed.

[0003] Currently, installation mainly relies on manual prying and inserting with simple tools or fixing with universal clamps, which has obvious shortcomings. Manual operation cannot provide uniform radial expansion force, which can easily lead to local stress concentration of the rubber strip, causing permanent deformation or tearing, and damaging its structural integrity and impermeability. If relying on workers' experience, it is difficult to ensure that all sections are flatly embedded in the groove, which can easily cause warping or wrinkles, forming weak points in waterproofing. If the universal clamps do not match the shape of the rubber strip, the clamping is unstable and it is easy to slip and fall off. The operation is cumbersome and inefficient, which cannot meet the requirements of modern construction quality and efficiency.

[0004] To address the above shortcomings, a water-resistant and expansion-resistant rubber strip installation clamp is provided, which achieves stable clamping and precise positioning of the workpiece, and solves the problems of uneven spreading and easy damage of the rubber strip during installation, thus achieving fast and reliable installation. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a water-resistant and expansion-resistant rubber strip mounting fixture, which aims to improve the problems of asynchronous workpiece clamping and inaccurate positioning caused by traditional methods.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a water-resistant and expansion-resistant rubber strip mounting clamp, comprising a housing, a cylinder fixedly connected to the inner wall of the housing, a cam fixedly connected to the output end of the cylinder, a base fixedly connected to the outer wall of the housing, a fixing plate fixedly connected to the outer wall of the housing, a guide rod fixedly connected to the outer wall of the fixing plate, a spring sleeved on the outer wall of the guide rod, one end of the spring fixedly connected to the outer wall of the fixing plate, a slider fixedly connected to the other end of the spring, a clamp fixedly connected to the outer wall of the slider, a quick-release assembly provided on the inner wall of the slider, and a clamping assembly provided above the base; The clamping assembly includes grippers, two grippers are disposed above the base, a fixing frame is fixedly connected to the upper surface of the base, two sliders are fixedly connected to the outer walls of the two grippers, a guide rail is slidably connected to the inner walls of the two sliders, a slide tube is fixedly connected to the inner walls of the two sliders, two round rods are fixedly connected to the inner walls of the guide rails, a connecting rod is rotatably connected to the inner walls of the round rods, a sliding hole and a sliding hole are provided on the inner walls of the connecting rods, a slide tube is slidably connected to the inner walls of the sliding holes, a push block is fixedly connected to the outer wall of the slide tube, a push rod is fixedly connected to the outer wall of the push block, a cylinder is provided on one side of the outer wall of the push rod, and the output end of the cylinder is fixedly connected to the outer wall of the push rod.

[0007] Furthermore, the quick-release assembly includes two buttons, which are disposed on the inner wall of the slider one. An I-shaped plate is slidably connected to the outer wall of the two buttons, and a buckle is fixedly connected to the outer wall of the two buttons. A guide rod two is slidably connected to the inner wall of the two buttons, and a spring two is sleeved on the guide rod two. One end of the spring two is fixedly connected to the outer wall of the button, and the other end of the spring two is fixedly connected to the outer wall of the I-shaped plate. Two locking holes are symmetrically opened on the inner wall of the clamp, and two buckles are symmetrically opened on the inner wall of the slider one.

[0008] Furthermore, the second cylinder is disposed on the outer wall of the fixed frame, and the outer wall of the push rod is slidably connected to the inner wall of the fixed frame.

[0009] Furthermore, the guide rail is disposed on the outer wall of the fixed frame, and a worktable is fixedly connected to the outer wall of the fixed frame.

[0010] Furthermore, the outer wall of the guide rod slides on the inner wall of the slider, and the two grippers are symmetrically arranged on both sides of the outer wall of the worktable.

[0011] Furthermore, the inner wall of the fixed frame has two symmetrical openings on the top and bottom, and the outer wall of the connecting rod is slidably connected to the inner wall of the fixed frame.

[0012] Furthermore, the outer walls of the two buttons are slidably connected to the inner wall of the slider.

[0013] Furthermore, the I-shaped plate is attached to the inner wall of the slider, the guide rod is disposed on the inner wall of the I-shaped plate, the spring is sleeved on the outer wall of the guide rod, and the buckle is disposed on the upper surface of the button.

[0014] This utility model has the following beneficial effects: In this invention, when it is necessary to fix the workpiece, the second cylinder drives the push rod and the push block to move linearly, pushing the first slide tube to slide in the second sliding hole of the connecting rod, causing the connecting rod to rotate around the round rod. Through the first sliding hole, the second slide tubes move towards each other or away from each other, thereby driving the second slider to slide along the guide rail. Finally, the two grippers clamp or release the workpiece synchronously, and the workpiece is placed on the worktable on the fixed frame to complete the positioning. This process solves the problems of asynchronous workpiece clamping and inaccurate positioning, and achieves the effect of stable clamping and accurate positioning.

[0015] In this invention, when the clamp needs to be quickly replaced, the clamp can be quickly replaced by pressing the button to disengage the buckle from the locking hole. The guide rod provides stable guidance for the movement, and the I-shaped plate provides support and stability. This process solves the problems of uneven spreading and easy damage of the rubber strip during installation, and achieves the effect of fast and reliable installation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an anti-water-swelling rubber strip installation clamp proposed in this utility model; Figure 2 This is a schematic diagram of the cam portion structure of an anti-water-swelling rubber strip mounting clamp proposed in this utility model; Figure 3 This is a schematic diagram of the gripper portion of a water-resistant and expansion-resistant rubber strip installation clamp proposed in this utility model. Figure 4 This is a schematic diagram of the connecting rod part of an anti-water-swelling rubber strip installation clamp proposed in this utility model; Figure 5 This is a schematic diagram of the button portion of a water-resistant and expansion-resistant rubber strip mounting clamp proposed in this utility model. Figure 6 This is a schematic diagram of the snap-fit ​​part of a water-resistant and expansion-resistant rubber strip installation clamp proposed in this utility model.

[0017] Legend: 1. Cylinder 1; 2. Housing; 3. Cam; 4. Fixing plate; 5. Slider 1; 6. Spring 1; 7. Guide rod 1; 8. Chuck; 9. Fixing frame; 10. Cylinder 2; 11. Push rod; 12. Push block; 13. Slide tube 1; 14. Round rod; 15. Slide tube 2; 16. Slider 2; 17. Gripper; 18. Guide rail; 19. Worktable; 20. Button; 21. I-shaped plate; 22. Guide rod 2; 23. Spring 2; 24. Snap hole; 25. Buckle; 26. Slide hole 1; 27. Slide hole 2; 28. Connecting rod; 29. ​​Base. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1-4 This utility model provides an embodiment of a water-resistant and expansion-resistant rubber strip mounting clamp, comprising a housing 2, which serves as the skeleton and support of the entire clamp body, integrating and encapsulating all components such as cylinder 1, cam 3, and fixing plate 4 together, providing structural rigidity and protection. Cylinder 1 is fixedly connected to the inner wall of the housing 2, and cam 3 is fixedly connected to the output end of cylinder 1, which converts the linear motion of cylinder 1 into radial pushing of multiple sliders 5. Its special profile ensures that multiple sliders move outward synchronously and smoothly. A base 29 is fixedly connected to the outer wall of the housing 2, and a fixing plate 4 is fixedly connected to the outer wall of the housing 2. This plate 4 is a fixing and guiding base, whose main function is to fix one end of guide rod 7 and provide an installation reference surface for spring 6. Guide rod 7 is fixedly connected to the outer wall of fixing plate 4, which serves as the mounting base for sliders 5. The movement provides precise radial guidance, ensuring that it can only slide in a straight line, preventing skew and jamming, and ensuring the reliability of the action. The outer wall of the guide rod 7 is fitted with a spring 6, which is a reset and buffer element. When the cylinder 1 retracts, the restoring force of the spring 6 is responsible for pulling the slider 5 back to the initial position, causing the chuck 8 to retract, thereby releasing the rubber strip. At the same time, it also provides a certain buffering effect during the opening process. One end of the spring 6 is fixedly connected to the outer wall of the fixed plate 4, and the other end of the spring 6 is fixedly connected to the slider 5, which converts the thrust of the cam 3 into linear motion and directly drives the chuck 8 to perform radial opening and closing motion. The outer wall of the slider 5 is fixedly connected to the chuck 8, whose shape matches the inner wall shape of the rubber strip, directly contacting and opening the rubber strip. The inner wall of the slider 5 is provided with a quick release assembly, and a holding assembly is provided above the base 29. The clamping assembly includes two jaws 17, which are the actuating components that directly clamp the workpiece. They are typically designed with V-shaped or flat jaws depending on the workpiece shape. Two jaws 17 are positioned above a base 29. A fixing frame 9 is fixedly connected to the upper surface of the base 29, serving as the main support frame for the clamping assembly. This frame houses all components such as the second cylinder 10, guide rail 18, and worktable 19. Two sliders 16 are fixedly connected to the outer walls of the two jaws 17, and guide rails 18 are slidably connected to the inner walls of the two sliders 16. The sliders 16 and guide rails 18 form a linear guiding mechanism, ensuring that the jaws 17 driven by the second slide tube 15 can only perform precise linear movements, guaranteeing clamping stability. The inner walls of the two sliders 16 are fixedly connected to the second slide tube 15, which slides through the first sliding hole 26 of the connecting rod 28. A sliding connection converts the rotational motion of the connecting rod 28 into its linear motion. Two round rods 14 are fixedly connected to the inner wall of the guide rail 18, serving as the fulcrum for the rotation of the connecting rod 28. The connecting rod 28 is rotatably connected to the inner wall of the round rods 14. The inner wall of the connecting rod 28 has two sliding holes: a first sliding hole 26 and a second sliding hole 27. The connecting rod 28 is a double rocker mechanism that rotates around the round rods 14. The first sliding hole 26 and the second sliding hole 27 convert the input motion of the first sliding tube 13 into the output motion of the second sliding tube 15, thereby achieving synchronous or opposite movements of the two grippers 17. The inner wall of the second sliding hole 27 is slidably connected to the first sliding tube 13, one end of which is fixed to the push block 12, and the other end slides in the second sliding hole 27 of the connecting rod 28, converting the linear motion of the push rod 11 into the linear motion of the connecting rod 28. With the movement of the slide tube 13, a push block 12 is fixedly connected to the outer wall of the slide tube 13, and a push rod 11 is fixedly connected to the outer wall of the push block 12. The push rod 11 and the push block 12 are power transmission rods that transmit the thrust of the cylinder 10 to the subsequent mechanism. The cylinder 10 is provided on one side of the outer wall of the push rod 11, and the output end of the cylinder 10 is fixedly connected to the outer wall of the push rod 11.

[0020] Specifically, when it is necessary to clamp the component to fix the workpiece, the entire clamping process begins with the activation of cylinder 10. Cylinder 10, as the core power source, drives the push rod 11 at its output end to perform precise linear motion. The push block 12, which is fixedly connected to the front end of the push rod 11, moves synchronously, thereby pushing the slide tube 13, which is fixedly connected to it. The other end of the slide tube 13 is nested inside the sliding hole 27 opened on the connecting rod 28 and slides on its inner wall. This sliding action generates a pushing or pulling force on the connecting rod 28, forcing the connecting rod 28 to rotate around its rotation fulcrum, the circular rod 14. The rotation of the connecting rod 28... The key to its motion conversion function is the movement. In addition to the second sliding hole 27, another sliding hole 26 is provided on the connecting rod 28. As the connecting rod 28 rotates around the round rod 14, the spatial position of the first sliding hole 26 changes, thereby causing the two sliding tubes 15 inside to produce linear displacements in opposite directions. The outer wall of each sliding tube 15 is fixedly connected to a slider 16, and the inner wall of the slider 16 is fitted onto the outer wall of the guide rail 18 fixed to the fixed frame 9. Therefore, the linear motion of the sliding tube 15 is ultimately converted into the precise guided sliding of the slider 16 along the guide rail 18. The two grippers 17 fixed to the outer wall of the slider 16 move synchronously, realizing the clamping or releasing operation of the workpiece placed on the upper surface of the worktable 19. The worktable 19 is fixedly connected to the outer wall of the fixed frame 9, providing a stable positioning reference for the workpiece.

[0021] Reference Figures 5-6 The quick-release assembly includes two buttons 20, which are manual operation interfaces. Pressing button 20 triggers the quick-release mechanism. The two buttons 20 are located on the inner wall of slider 5. An I-shaped plate 21 is slidably connected to the outer wall of the two buttons 20. This plate serves as an internal support and fixing base, providing a fixed mounting position for guide rod 22 and spring 23. It forms the mounting foundation for the quick-release mechanism inside slider 5. A latch 25 is fixedly connected to the outer wall of the two buttons 20. In its natural state, under the action of spring 23, it inserts into the latch hole 24 of the clamp 8, achieving rigid locking. When button 20 is pressed, it disengages from the latch hole 24, unlocking the mechanism. Guide rod 22 is slidably connected to the inner wall of the two buttons 20. The linear motion is guided to ensure accurate trajectory and prevent deflection. The guide rod 22 is fitted with a spring 23. One end of the spring 23 is fixedly connected to the outer wall of the button 20, and the other end is fixedly connected to the outer wall of the I-shaped plate 21. The spring 23 provides locking force for the button 20 and the buckle 25 under normal conditions. When the button 20 is released, the elastic force makes it automatically reset. Two locking holes 24 are symmetrically opened on the inner wall of the chuck 8, and two buckles 25 are symmetrically opened on the inner wall of the slider 5.

[0022] Specifically, the chuck 8 is reliably connected to and quickly separated from the slider 5 via a quick-release assembly. The core function of this assembly is to allow for tool-free replacement of the chuck 8 to accommodate the installation requirements of rubber strips of different specifications. Under normal conditions, the preload of the spring 23 acts on the button 20, keeping it in an outward protruding position and pushing the buckle 25, which is fixedly connected to the outer wall of the button 20, to stably insert into the symmetrically opened locking holes 24 on the inner wall of the chuck 8, thus forming a rigid connection and ensuring that the chuck 8 will not loosen during operation. When the chuck 8 needs to be replaced, the operator simultaneously presses the two buttons 20 located on the inner wall of the slider 5. The guide rod 22, which is slidably connected to the inner wall of the button 20, slides smoothly inward. This guide design ensures that the movement trajectory of the button 20 is accurate and does not deflect. The inward movement of the button 20 directly overcomes the spring. The elastic force of spring 23 causes the buckle 25 fixed thereon to simultaneously exit from the locking hole 24 of the chuck 8, thereby releasing the mechanical lock. At this time, the chuck 8 can be removed by hand. In the whole process, the I-shaped plate 21 plays a key role as the core support component. It not only provides a foundation for the fixed installation of the two guide rods 22, but its unique I-shaped structure also enhances the structural rigidity and stability of the entire quick release assembly in the cavity of slider 5, preventing the components from shifting when subjected to force. Spring 23 is sleeved on the outer wall of guide rod 22, with one end fixed to the outer wall of button 20 and the other end fixed to the outer wall of I-shaped plate 21, ensuring the uniform transmission of pressure and the smooth reset of button 20. Guide rod 22 strictly limits the movement path of button 20 and spring 23, providing a stable and reliable guide for the entire quick release action.

[0023] Reference Figures 1-6 Cylinder 10 is mounted on the outer wall of the fixed frame 9. Push rod 11 is slidably connected to the inner wall of the fixed frame 9. Guide rail 18 is mounted on the outer wall of the fixed frame 9. Worktable 19 is fixedly connected to the outer wall of the fixed frame 9. It is a workpiece positioning platform on which the workpiece is placed to provide a reference plane for installation operations. Guide rod 7 slides on the inner wall of slider 5. Two grippers 17 are symmetrically arranged on both sides of the outer wall of the worktable 19. Two holes are symmetrically opened on the inner wall of the fixed frame 9. Connecting rod 28 is slidably connected to the inner wall of the fixed frame 9. Two buttons 20 are slidably connected to the inner wall of slider 5. I-shaped plate 21 is attached to the inner wall of slider 5. Guide rod 22 is mounted on the inner wall of I-shaped plate 21. Spring 23 is sleeved on the outer wall of guide rod 22. Buckle 25 is mounted on the upper surface of button 20.

[0024] Working Principle: When using this clamp to install the water-swellable rubber strip, first place the clamp in a fixed position via the base 29. Then, activate cylinder 1. Cylinder 1 drives the cam 3, which is located on the inner wall of the housing 2, to move linearly. The contour of cam 3 pushes four circumferentially distributed sliders 5 outward along the guide rod 7, compressing spring 6. The fixing plate 4 restricts the movement of sliders 5 and spring 6. The movement of sliders 5 causes the clamp 8 at its outer end to expand radially, thereby opening and clamping the water-swellable rubber strip placed therein. After the rubber strip is installed, cylinder 1 resets, cam 3 loses its thrust, and the restoring force of spring 6 pushes sliders 5 and clamp 8 inward, releasing the installed rubber strip. The chuck 8 is connected to the slider 5 via a quick-release assembly. Pressing the button 20 can overcome the elastic force of the spring 23 and cause the buckle 25 to disengage from the clip hole 24 of the chuck 8, enabling quick replacement. The guide rod 22 provides stable guidance for the movement of the spring 23 and the button 20. The I-shaped plate 21 plays a role in supporting and stabilizing the components. When it is necessary to clamp the workpiece, cylinder 2 10 drives push rod 11 and push block 12 to move linearly, pushing slide tube 13 to slide within sliding hole 27 of connecting rod 28, forcing connecting rod 28 to rotate around round rod 14. The rotation of connecting rod 28 drives two slide tubes 15 to move towards or away from each other through sliding hole 26, thereby driving slider 16 to slide along guide rail 18, ultimately causing two grippers 17 to clamp or release the workpiece, and the workpiece is placed on worktable 19 on fixed frame 9. The entire clamping action is powered by cylinder 2 10 and converted into synchronous linear motion of grippers 17 through connecting rod 28.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A water-resistant and expansion-resistant rubber strip mounting clamp, comprising a housing (2), characterized in that: A cylinder (1) is fixedly connected to the inner wall of the outer shell (2), and a cam (3) is fixedly connected to the output end of the cylinder (1). A base (29) is fixedly connected to the outer wall of the outer shell (2). A fixing plate (4) is fixedly connected to the outer wall of the outer shell (2). A guide rod (7) is fixedly connected to the outer wall of the fixing plate (4). A spring (6) is sleeved on the outer wall of the guide rod (7). One end of the spring (6) is fixedly connected to the outer wall of the fixing plate (4). The other end of the spring (6) is fixedly connected to a slider (5). A clamp (8) is fixedly connected to the outer wall of the slider (5). A quick-release assembly is provided on the inner wall of the slider (5). A clamping assembly is provided above the base (29). The clamping assembly includes grippers (17), two grippers (17) are disposed above the base (29), a fixing frame (9) is fixedly connected to the upper surface of the base (29), two sliders (16) are fixedly connected to the outer walls of the two grippers (17), a guide rail (18) is slidably connected to the inner walls of the two sliders (16), a slide tube (15) is fixedly connected to the inner walls of the two sliders (16), and two round rods (14) are fixedly connected to the inner walls of the guide rails (18). 14) A connecting rod (28) is rotatably connected to the inner wall. The inner wall of the connecting rod (28) is provided with a sliding hole 1 (26) and a sliding hole 2 (27). The inner wall of the sliding hole 2 (27) is slidably connected to a sliding tube 1 (13). The outer wall of the sliding tube 1 (13) is fixedly connected to a push block (12). The outer wall of the push block (12) is fixedly connected to a push rod (11). A cylinder 2 (10) is provided on one side of the outer wall of the push rod (11). The output end of the cylinder 2 (10) is fixedly connected to the outer wall of the push rod (11).

2. The anti-water-swelling rubber strip installation clamp according to claim 1, characterized in that: The quick-release assembly includes two buttons (20), which are disposed on the inner wall of the slider (5). The outer walls of the two buttons (20) are slidably connected to an I-shaped plate (21). The outer walls of the two buttons (20) are fixedly connected to a buckle (25). The inner walls of the two buttons (20) are slidably connected to a guide rod (22). The guide rod (22) is fitted with a spring (23). One end of the spring (23) is fixedly connected to the outer wall of the button (20), and the other end of the spring (23) is fixedly connected to the outer wall of the I-shaped plate (21). The inner wall of the clamp (8) has two symmetrically opened clip holes (24), and the inner wall of the slider (5) has two symmetrically opened clips (25).

3. The anti-water-swelling rubber strip installation clamp according to claim 1, characterized in that: The second cylinder (10) is mounted on the outer wall of the fixed frame (9), and the outer wall of the push rod (11) is slidably connected to the inner wall of the fixed frame (9).

4. The anti-water-swelling rubber strip installation clamp according to claim 1, characterized in that: The guide rail (18) is set on the outer wall of the fixed frame (9), and the workbench (19) is fixedly connected to the outer wall of the fixed frame (9).

5. The anti-water-swelling rubber strip installation clamp according to claim 1, characterized in that: The outer wall of the guide rod (7) slides on the inner wall of the slider (5), and the two grippers (17) are symmetrically arranged on both sides of the outer wall of the worktable (19).

6. The anti-water-swelling rubber strip installation clamp according to claim 1, characterized in that: The inner wall of the fixed frame (9) has two symmetrical openings, and the outer wall of the connecting rod (28) is slidably connected to the inner wall of the fixed frame (9).

7. The anti-water-swelling rubber strip installation clamp according to claim 2, characterized in that: The outer walls of the two buttons (20) are slidably connected to the inner wall of the slider (5).

8. The anti-water-swelling rubber strip installation clamp according to claim 2, characterized in that... The I-shaped plate (21) is attached to the inner wall of the slider (5), the guide rod (22) is set on the inner wall of the I-shaped plate (21), the spring (23) is sleeved on the outer wall of the guide rod (22), and the buckle (25) is set on the upper surface of the button (20).

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