A stable gripping clamp

Abstract

The utility model discloses a clamping device of stable grabbing, and the device comprises a guide column, the guide column both sides are equipped with the jaw, the jaw one end is equipped with telescopic link, the telescopic link one end penetrates the inner wall of guide column and is connected with the block that touches, the block one end is equipped with spring, the spring one end is equipped with the pull rope cylinder, be equipped with the mounting post in the pull rope cylinder, the mounting post both sides are equipped with the pulley, the guide column upper end is equipped with the pull ring, the block one end is equipped with the mounting ring, be connected with the pull rope on the mounting ring, the pull rope one end is connected with the pull ring. The utility model has the advantages of: the utility model relies on the buffering effect of spring, so that the force that the jaw exerts on the elastic pin will not be too big because of rigid extrusion. Even if there is oil stain on the surface of the elastic pin, the spring and the pull rope structure can adjust the clamping force according to the actual situation, while ensuring stable grabbing, avoiding clamping injury to the elastic pin, reducing the scrap situation of the elastic pin, and reducing the production cost.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical assembly tooling technology, specifically relating to a gripping and stabilizing fixture. Background Technology

[0002] In mechanical assembly and processing, the installation and removal of flexible pins (such as spring pins, flexible cylindrical pins, cotter pins, etc.) usually require the use of fixtures, especially in mass production or precision assembly.

[0003] However, most existing clamps used for gripping elastic pins adopt a simple rigid clamping method. When the clamping process is disturbed by external forces or when there is oil or slight deformation on the surface of the elastic pin, the clamp is difficult to adjust the clamping force stably, which can cause the elastic pin to slip or be damaged. This not only affects the assembly accuracy and production efficiency, but may also cause the elastic pin to be scrapped, increasing production costs.

[0004] Therefore, there is an urgent need to provide a stable gripping fixture to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to provide a stable gripping fixture to solve the technical problem that existing grippers for gripping elastic pins are difficult to adjust the clamping force stably.

[0006] To solve the above-mentioned technical problems, this utility model provides a stable gripping fixture, comprising: a guide post, grippers on both sides of the guide post, a telescopic rod at one end of each gripper, one end of the telescopic rod penetrating the inner wall of the guide post and connected to an abutment block, a spring at one end of the abutment block, a pull rope tube at one end of the spring, a mounting post inside the pull rope tube, pulleys on both sides of the mounting post, a pull ring at the upper end of the guide post, a mounting ring at one end of the abutment block, a pull rope connected to the mounting ring, and one end of the pull rope connected to the pull ring.

[0007] As further explained, after one end of the pull rope is connected to the mounting ring, the other end first passes through the spring, then through the inner wall of the pull rope cylinder and is wound around the pulley, and finally connects to the pull ring.

[0008] As further explained, the gripper is L-shaped and is connected to the telescopic rod by a thread.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. By tightening the pull ring on the guide post, the two grippers retract inward. Then, the end with the gripper passes through the elastic pin. When the hook of the gripper can contact the end face of the elastic pin, the pull ring is released, achieving stable clamping of the elastic pin. This invention relies on the buffering effect of the spring to prevent the force applied to the elastic pin by the gripper from becoming excessive due to rigid compression. Even if the surface of the elastic pin is oily or slightly deformed, the spring and pull rope structure can adjust the clamping force according to the actual situation, ensuring stable gripping while avoiding damage to the elastic pin, reducing the scrap of elastic pins, and lowering production costs.

[0011] 2. When the pull ring is pulled upwards, the pull rope generates traction through the pulley transmission, pulling the abutment block towards the pull rope drum. As the pull ring is pulled, the pull rope begins to tighten, generating an inward pulling force on the mounting ring. Since the mounting ring is connected to the abutment block, this pulling force is further transmitted to the abutment block, causing the abutment block to move inwards against the spring force. The movement of the abutment block pushes the telescopic rod to retract into the guide post, thereby causing the gripper to close inwards. During the process of releasing the pull ring, the gripper will gradually contact and clamp the elastic pin. Due to the presence of the spring, the clamp has a certain degree of buffering and self-adaptation. When the surface of the elastic pin is contaminated with oil, slightly deformed, or subjected to external interference, the spring can adjust the clamping force by compression or extension, ensuring that the gripper can stably clamp the elastic pin without damaging it due to excessive clamping force or causing it to slip off due to insufficient clamping force.

[0012] 3. Since the gripper and the telescopic rod are connected by threads, the gripper can be disassembled and rotated 180° to be reinstalled on the telescopic rod. It can clamp the other end of the elastic pin without passing through the elastic pin cavity, which can adapt to the needs of different assembly scenarios and improve the flexibility of this device.

[0013] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0014] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0015] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0017] Figure 2 This is a utility model Figure 1 Schematic diagram of the structure at point A;

[0018] Figure 3 This is a utility model Figure 1 Schematic diagram of the structure at point B;

[0019] Figure 4 This is a perspective view of the gripper of this utility model.

[0020] In the picture:

[0021] 1. Guide post, 2. Clamping claw, 3. Telescopic rod, 4. Abutment block, 5. Spring, 6. Pull rope cylinder, 7. Pull rope, 8. Mounting post, 9. Pulley, 10. Mounting ring, 11. Pull ring. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Reference Figure 1-4A stable gripping clamp includes: a guide post 1, grippers 2 on both sides of the guide post 1, a telescopic rod 3 at one end of each gripper 2, one end of the telescopic rod 3 penetrating the inner wall of the guide post 1 and connected to an abutment block 4, a spring 5 at one end of the abutment block 4, a pull rope cylinder 6 at one end of the spring 5, a mounting post 8 inside the pull rope cylinder 6, pulleys 9 on both sides of the mounting post 8, a pull ring 11 at the upper end of the guide post 1, and a mounting ring 10 at one end of the abutment block 4. A pull rope 6 is connected to the mounting ring 10, and one end of the pull rope 6 is connected to the pull ring 11. By tightening the pull ring 11 on the guide post 1, the two grippers 2 are retracted inward. Then, the end with the gripper 2 passes through an elastic pin. When the hook of the gripper 2 can contact the end face of the elastic pin, the pull ring 11 is released, thus achieving stable clamping of the elastic pin. Specifically, when the pull ring 11 is pulled upwards, the pull rope 7 generates traction force through the pulley 9, pulling the abutment block 4 towards the pull rope cylinder 6. As the pull ring 11 is pulled, the pull rope 7 begins to tighten, generating an inward pulling force on the mounting ring 10. Since the mounting ring 10 is connected to the abutment block 4, this pulling force is further transmitted to the abutment block 4, causing the abutment block 4 to move inwards against the elastic force of the spring 5. The movement of the abutment block 4 pushes the telescopic rod 3 to retract into the guide post 1, thereby driving the clamp 2 to close inwards. During the process of releasing the pull ring 11, the clamp 2 will gradually contact and clamp the elastic pin. Due to the presence of the spring 5, the clamp 2 has a certain buffering and self-adaptive ability. When there is oil on the surface of the elastic pin, slight deformation, or external interference, the spring 5 can adjust the clamping force by compression or extension to ensure that the clamp 2 can stably clamp the elastic pin without damaging the elastic pin due to excessive clamping force or causing the elastic pin to slip off due to insufficient clamping force.

[0024] like Figure 1-3 As shown, after one end of the pull rope 6 is connected to the mounting ring 10, the other end first passes through the spring 5, then through the inner wall of the pull rope cylinder 6 and is wound around the pulley 9, and finally connects to the pull ring 11. This design allows the pull rope 6 to achieve stable and flexible transmission through components such as the spring 5, the pull rope cylinder 6, and the pulley 9. When the pull ring 11 is pulled, the pull rope 7 can smoothly transmit the pulling force, causing the abutment block 4 and the telescopic rod 3 to move accordingly, thereby driving the gripper 2 to close or open.

[0025] like Figure 4 As shown, the gripper 2 is L-shaped and is connected to the telescopic rod 3 by a thread. Because the gripper 2 and the telescopic rod 3 are connected by a thread, the gripper 2 can be disassembled and rotated 180° to be reinstalled on the telescopic rod 3. It can grip the other end of the elastic pin without passing through the elastic pin cavity, which can adapt to the needs of different assembly scenarios and improve the flexibility of this device.

[0026] All components selected in this application (parts whose specific structures are not described) are general standard parts or parts known to those skilled in the art, and their structures and principles can be obtained by those skilled in the art through technical manuals.

[0027] This knowledge can be obtained through conventional experimental methods.

[0028] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0029] In addition, in the various embodiments of this utility model, each functional unit can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0030] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A gripper for stable grasping, characterized in that, include: A guide post (1) is provided with grippers (2) on both sides. One end of the grippers (2) is provided with a telescopic rod (3). One end of the telescopic rod (3) passes through the inner wall of the guide post (1) and is connected to an abutment block (4). One end of the abutment block (4) is provided with a spring (5). One end of the spring (5) is provided with a pull rope cylinder (6). The pull rope cylinder (6) is provided with an installation post (8). The two sides of the installation post (8) are provided with pulleys (9). The upper end of the guide post (1) is provided with a pull ring (11). One end of the abutment block (4) is provided with an installation ring (10). A pull rope (7) is connected to the installation ring (10). One end of the pull rope (7) is connected to the pull ring (11).

2. The gripping and stabilizing fixture as described in claim 1, characterized in that, After one end of the pull rope (7) is connected to the mounting ring (10), the other end first passes through the spring (5), then through the inner wall of the pull rope cylinder (6) and is wound around the pulley (9), and finally connected to the pull ring (11).

3. The gripping and stabilizing fixture as described in claim 1, characterized in that, The gripper (2) is L-shaped and is connected to the telescopic rod (3) by a thread.

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