Energy-saving anti-loose combined type pipe grabbing piston

Abstract

The utility model discloses an energy-saving anti-loose combined type pipe grabbing piston, which relates to the field of spinning frames and comprises an ABS (acrylonitrile butadiene styrene) piston main body and a TPU (thermoplastic polyurethane) piston top block, and two groups of elliptical holes are symmetrically formed in two sides of one end of the TPU piston top block; an anti-skid mechanism is arranged on the TPU piston ejector block and comprises a clamping groove, a corrugated groove and a protruding block. Through the arrangement of the clamping grooves, the oval holes, the corrugated grooves and the protruding blocks, when the TPU piston top block is installed, the TPU piston top block is firstly heated, the TPU piston top block can expand and become soft after being heated and is sleeved at the top end of the ABS piston body, the TPU piston top block can deform, the deformation quantity of the two sides of the TPU piston top block can be increased through the multiple sets of oval holes, the TPU piston top block can be sleeved at the top end of the ABS piston body more easily, and the TPU piston top block is not prone to deformation. Meanwhile, the corrugated grooves and the convex blocks in the clamping grooves can increase the friction force with the clamped objects, so that the whole pipe grabbing device can clamp the objects more firmly, the TPU piston ejector block is installed more easily and more firmly, meanwhile, the clamping force on the objects is improved, and the objects are not prone to falling off.

Description

Technical Field

[0001] The utility model relates to the field of spinning machines, in particular to an energy-saving and anti-loosening combined pipe grabbing piston. Background Art

[0002] The tube grabbing piston is a key component in the tube grabbing device of the spinning machine, which requires that the tube grabbing part of the part has a certain elasticity and the force-bearing surface of the part has rigidity to ensure the effectiveness of the tube grabbing device. The tube grabbing piston is usually located in the tube grabbing device and is generally pushed pneumatically to clamp the object on the tube grabbing device.

[0003] The original two-piece piston is cold assembled separately. Since the piston top block is a TPU elastomer, the top block often falls off during the assembly and use of the piston body, affecting the pipe grabbing function. In order to prevent the top block from falling off, it is easier to install and clamp the object more tightly, we now provide an energy-saving and anti-loosening combined pipe grabbing piston. Utility Model Content

[0004] The utility model aims to provide an energy-saving and anti-loosening combined pipe-grabbing piston in order to solve the problem that the piston top block is easy to fall off during use because the original piston is cold-installed.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: an energy-saving and anti-loosening combined pipe grabbing piston, comprising an ABS piston body and a TPU piston top block, wherein the TPU piston top block is sleeved on the top of the ABS piston body, and two groups of elliptical holes are symmetrically opened on both sides of one end of the TPU piston top block, each group of elliptical holes has a plurality of elliptical holes and are evenly distributed in the vertical direction, and the two groups of elliptical holes penetrate to the other end of the TPU piston top block;

[0006] The TPU piston top block is provided with an anti-skid mechanism, which includes a clamping groove, a corrugated groove, and a convex block;

[0007] The clamping groove is opened at the top of the TPU piston top block, and the corrugated grooves are provided in two groups, each group has a plurality of the corrugated grooves, and the two groups of the corrugated grooves are symmetrically opened on the inner wall of the clamping groove. There are a plurality of protrusions, and the plurality of protrusions are evenly formed on the inner wall of the clamping groove and are located between the two groups of the corrugated grooves.

[0008] As a further solution of the utility model: the TPU piston top block is a hollow structure, which facilitates the thermal assembly of the ABS piston body and the TPU piston top block, and the TPU piston top block can be directly sleeved on the top of the ABS piston body.

[0009] As a further solution of the utility model: two fixed ear rods are arranged on both sides of the top of the ABS piston body, and fixing holes with sizes matching the ear rods on the ABS piston body are opened on both sides of the TPU piston top block.

[0010] As a further solution of the utility model: each group of the corrugated grooves is composed of a combination of wave-shaped grooves, each group of the elliptical holes is composed of a plurality of elliptical holes vertically arranged at a certain distance, and the protrusions are semicircular rubber balls.

[0011] As a further solution of the utility model: the inner cavity top of the TPU piston top block and the top of the ABS piston body do not contact each other, and there is a gap space for providing space for the deformation of the TPU piston top block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By arranging the clamping grooves, elliptical holes, corrugated grooves and convex blocks, when installing the TPU piston top block, the TPU piston top block is first heated, and it will expand and soften after heating, and then it is put on the top of the ABS piston body. The TPU piston top block will be deformed, and multiple groups of elliptical holes can increase the deformation amount on both sides of the TPU piston top block, so that it is easier to put it on the top of the ABS piston body. At the same time, the corrugated grooves and convex blocks in the clamping grooves can increase the friction with the clamped objects, so that the entire pipe grasping device can clamp the objects more securely, thereby making the installation of the TPU piston top block easier and more secure, and at the same time improving the clamping force on the objects, so that the objects are not easy to fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an exploded diagram showing the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the TPU piston top block of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the clamping groove of the utility model.

[0017] In the figure: 1. ABS piston body; 2. TPU piston top block; 3. Clamping groove; 4. Elliptical hole; 5. Corrugated groove; 6. Bump; 7. Ear rod; 8. Fixing hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figures 1 to 3 In the embodiment of the utility model, the energy-saving and anti-loosening combined pipe grabbing piston comprises an ABS piston body 1 and a TPU piston top block 2. The TPU piston top block 2 is sleeved on the top of the ABS piston body 1. Two groups of elliptical holes 4 are symmetrically opened on both sides of one end of the TPU piston top block 2. Each group of elliptical holes 4 has a plurality of elliptical holes 4 and is evenly distributed in the vertical direction. The two groups of elliptical holes 4 penetrate to the other end of the TPU piston top block 2.

[0020] The TPU piston top block 2 is provided with an anti-skid mechanism, which includes a clamping groove 3, a corrugated groove 5, and a protrusion 6;

[0021] The clamping groove 3 is provided at the top of the TPU piston top block 2, two groups of corrugated grooves 5 are provided, each group has a plurality of corrugated grooves 5, and the two groups of corrugated grooves 5 are symmetrically provided on the inner wall of the clamping groove 3, and a plurality of protrusions 6 are provided, and the plurality of protrusions 6 are uniformly formed on the inner wall of the clamping groove 3 and are located between the two groups of corrugated grooves 5;

[0022] The PU piston top block 2 is a hollow structure, which is convenient for thermal assembly of the ABS piston body 1 and the TPU piston top block 2. The TPU piston top block 2 can be directly mounted on the top of the ABS piston body 1.

[0023] The inner cavity top of the TPU piston top block 2 and the top of the ABS piston body 1 do not contact each other, and there is a gap space for providing space for the deformation of the TPU piston top block 2.

[0024] In this embodiment: first, the TPU piston top block 2 is heated to a suitable temperature, the TPU piston top block 2 will become soft and expand due to heat, and then the bottom opening is aligned with the top of the ABS piston body 1, and the top of the ABS piston body 1 is forcibly inserted into the TPU piston top block 2. At this time, the two sides of the TPU piston top block 2 are squeezed by the ear rods and deformed, and the two groups of elliptical holes 4 can reduce the elastic force generated by the deformation of the two sides of the TPU piston top block 2, making the installation of the TPU piston top block 2 easier and more labor-saving. When the ear rods are inserted into the fixing holes on both sides of the TPU piston top block 2, the installation of the TPU piston top block 2 is completed. After the TPU piston top block 2 cools down, it will shrink in size and harden in texture, and the TPU piston top block 2 will be firmly fixed on the top of the ABS piston body 1;

[0025] Then assemble the entire piston onto the pipe grabbing device and install it onto the fine sand machine. When the pipe grabbing device grabs an object, the pneumatic mechanism pushes the piston, aligns the clamping groove 3 on the TPU piston top block 2 with the object, and clamps the object onto the inner wall of the pipe grabbing device. At this time, the inner wall with the corrugated groove 5 and the protrusion 6 contacts the object, which increases the friction with the surface of the object, thereby making the object clamped more securely.

[0026] At the same time, the hollow structure of the TPU piston top block 2 allows the TPU piston top block 2 to deform and fit closely to the surface of the object when in contact with the surface of the object, thereby ensuring the pipe gripping force of the piston body when the pipe gripper is used and saving the material of parts.

[0027] Please refer to Figures 1 to 3 Two fixed ear rods 7 are arranged on both sides of the top of the ABS piston body 1, and fixing holes 8 with sizes matching the ear rods on the ABS piston body 1 are opened on both sides of the TPU piston top block 2.

[0028] In this embodiment, after the TPU piston top block 2 is cooled, the ear rod 7 is engaged in the fixing hole 8, the texture of the TPU piston top block 2 becomes hard and is not easily deformed, so the TPU piston top block 2 is not easy to fall off.

[0029] Please refer to Figures 1 to 3 Each group of corrugated grooves 5 is composed of wave-shaped grooves arranged in combination, each group of elliptical holes 4 is composed of multiple elliptical holes 4 arranged vertically at a certain distance, and the protrusions 6 are semicircular rubber balls.

[0030] In this embodiment, two groups of symmetrical corrugated grooves 5 can move the object to one end, and the friction forces provided by the two groups of corrugated grooves 5 are different to ensure that the maximum friction force is provided.

[0031] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving and anti-loosening combined pipe grabbing piston, comprising an ABS piston body (1) and a TPU piston top block (2), wherein the TPU piston top block (2) is sleeved on the top of the ABS piston body (1), and is characterized in that: Two groups of elliptical holes (4) are symmetrically formed on both sides of one end of the TPU piston top block (2), each group of the elliptical holes (4) has a plurality of the elliptical holes (4) and are evenly distributed along the vertical direction, and the two groups of the elliptical holes (4) penetrate to the other end of the TPU piston top block (2); The TPU piston top block (2) is provided with an anti-slip mechanism, the anti-slip mechanism comprising a clamping groove (3), a corrugated groove (5), and a protrusion (6); The clamping groove (3) is provided at the top of the TPU piston top block (2); the corrugated groove (5) is provided in two groups, each group having a plurality of the corrugated grooves (5); the two groups of the corrugated grooves (5) are symmetrically provided on the inner wall of the clamping groove (3); the protrusions (6) are provided in a plurality, the plurality of the protrusions (6) are uniformly formed on the inner wall of the clamping groove (3), and are located between the two groups of the corrugated grooves (5).

2. The energy-saving and anti-loosening combined pipe-grabbing piston according to claim 1 is characterized in that: The TPU piston top block (2) is a hollow structure, which facilitates thermal assembly of the ABS piston body (1) and the TPU piston top block (2); the TPU piston top block (2) can be directly sleeved on the top of the ABS piston body (1).

3. The energy-saving and anti-loosening combined pipe-grabbing piston according to claim 1 is characterized in that: Two fixed ear rods (7) are arranged on both sides of the top end of the ABS piston body (1), and fixing holes (8) with sizes matching the outer diameter of the ear rods (7) are opened on both sides of the TPU piston top block (2).

4. The energy-saving and anti-loosening combined pipe-grabbing piston according to claim 1 is characterized in that: Each group of the corrugated grooves (5) is composed of a combination of wave-shaped grooves, each group of the elliptical holes (4) is composed of a plurality of the elliptical holes (4) arranged vertically at a certain distance, and the protrusions (6) are semicircular rubber balls.

5. The energy-saving and anti-loosening combined pipe-grabbing piston according to claim 1 is characterized in that: The top of the inner cavity of the TPU piston top block (2) and the top of the ABS piston body (1) do not contact each other, and a gap space exists, which is used to provide space for the deformation of the TPU piston top block (2).

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