Self-adjustable crankshaft polishing device
By adopting a combination design of polishing tiles and polishing tile seats in the polishing device, combining support structure and rotary pins, the problem of difficult to ensure roundness and coaxiality in boring processing in traditional polishing devices is solved, and a higher polishing is achieved Quality and stability.
Patent Information
- Application Number
- CN202420136114.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-18
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-18
AI Technical Summary
Traditional polishing devices are prone to flexible deformation during boring and processing, making it difficult to ensure the roundness and coaxiality of polishing tiles, and the manufacturing and assembly accuracy requirements are high, making it difficult to meet the needs of use.
A self-adjustable crankshaft polishing device is designed, using a combination of polished tile and polished tile seats, and the support structure and rotary pin are set. Through the combination of fixing screws and rotary pins, the polished tile seats can be achieved to ensure the polished tile. roundness and coaxiality.
The polishing quality is improved, the roundness and cylindricality of the polishing tiles are ensured, and the problem that the center of the upper and lower polishing tiles is not coaxial through automatic adjustment function is solved, which enhances the stability and adaptability of the device.
Smart Images
Figure CN222222215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polishing devices, in particular to a self-adjustable crankshaft polishing device. Background Art
[0002] During the production process of the crankshaft, its surface needs to be polished, and a polishing device is used. The traditional polishing device is basically composed of two upper and lower polishing pads and a polishing arm arranged outside the two polishing pads. A storage space for placing the polished crankshaft is formed between the two polishing pads; specifically, Figure 2 As shown, the polishing pad is made of an integral polyurethane block by boring. The integral polyurethane block is easily deformed during the boring process, and the roundness of the arc after boring is difficult to ensure, and the coaxiality of the upper and lower semi-arcs is also difficult to ensure; and the polishing pad is directly fixed on the polishing arm, which requires extremely high manufacturing accuracy and assembly accuracy of the polishing arm and the polishing pad, which is difficult to achieve.
[0003] Therefore, it is urgent to improve the existing polishing device to meet the use requirements. Utility Model Content
[0004] The utility model aims to provide a self-adjustable crankshaft polishing device, which can ensure the roundness and cylindricity of the inner side arcs of two polishing blocks and the coaxiality of the axis, thereby improving the polishing quality of the crankshaft.
[0005] The embodiments of the present invention are implemented by the following technical solutions:
[0006] A self-adjustable crankshaft polishing device comprises a pair of polishing blocks and polishing arms respectively arranged on the outside of the polishing blocks, wherein a supporting structure is arranged between the polishing arms and the polishing blocks; the polishing block comprises a pair of polishing tiles arranged with openings opposite to each other, and a polishing tile seat is detachably arranged on one side of the polishing tile opposite to the opening.
[0007] Furthermore, the support structure includes a support seat arranged between the polishing shoe seat and the polishing arm.
[0008] Furthermore, a plurality of fixing screws are provided between the polishing tile and the polishing tile seat, between the polishing tile seat and the supporting seat, and between the supporting seat and the polishing arm.
[0009] Furthermore, the directions of the fixing screws between the polishing tile and the polishing tile seat, between the polishing tile seat and the supporting seat, and between the supporting seat and the polishing arm are arranged in unequal directions.
[0010] Furthermore, the polishing tile and the polishing tile seat, as well as the support seat and the polishing arm are longitudinally connected by a plurality of fixing screws; the polishing tile seat and the support seat are transversely connected by a plurality of fixing screws.
[0011] Furthermore, a certain gap is left between the polishing tile seat and the support seat.
[0012] Furthermore, at least one pair of swivel pins is arranged between the support seat and the polishing tile seat, and the pair of swivel pins are symmetrically arranged on both sides of the support seat in the transverse direction.
[0013] Furthermore, a pair of V-shaped gaps opening outward are formed between the opposite side surfaces of the pair of polishing tiles, the pair of polishing tile seats and the pair of support seats.
[0014] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:
[0015] The utility model has reasonable design and simple structure. The polishing block is formed by combining a polishing tile and a polishing tile seat, especially a swivel pin is arranged between the polishing tile seat and the support seat, so that the polishing tile seat can rotate along the swivel pin in the support seat, and can also move slightly along the axis direction of the swivel pin, and limit the rotation amplitude of the polishing tile and the polishing tile seat, and can also prevent the polishing tile and the tile seat from falling; in this way, after the polishing tile and the polishing tile seat are combined, the fine boring processing of the circular arc on the inner surface of the polishing tile can ensure the roundness and cylindricity of the circular arc; when the centers of the upper and lower polishing tiles are not coaxial, the polishing tile seat can be rotated around the swivel pin, so that the polishing tile seat and the polishing tile move along the axial direction of the swivel pin to achieve the effect of automatically adjusting the coaxiality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 A schematic structural diagram of a self-adjustable crankshaft polishing device provided in an embodiment of the utility model;
[0018] Figure 2 It is a structural schematic diagram of the existing polishing device mentioned in the background technology;
[0019] Icon: 1-polishing arm, 2-support seat, 3-fixing screw, 4-swivel pin, 5-polishing tile seat, 6-polishing tile. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0021] Example 1
[0022] A self-adjustable crankshaft polishing device comprises a pair of polishing blocks and polishing arms 1 respectively arranged on the outside of the polishing blocks, wherein a supporting structure is further arranged between the polishing arm 1 and the polishing block; the polishing block comprises a pair of polishing tiles 6 arranged with openings opposite to each other, and a polishing tile seat 5 is detachably provided on the side of the polishing tile 6 opposite to the opening. More specifically, the polishing block comprises an upper polishing tile 6 and a lower polishing tile 6 arranged with openings opposite to each other, and an upper polishing tile seat 5 and a lower polishing tile seat 5 are respectively detachably provided on the sides of the upper polishing tile 6 and the lower polishing tile 6 opposite to the opening.
[0023] In this embodiment, the support structure includes a support seat 2 disposed between the polishing tile seat 5 and the polishing arm 1; more specifically, the polishing arm 1 includes an upper polishing arm 1 disposed outside the upper polishing tile seat 5, and a lower polishing arm 1 disposed outside the lower polishing tile seat 5; the support structure includes an upper support seat 2 disposed between the upper polishing tile seat 5 and the upper polishing arm 1, and a lower support seat 2 disposed between the lower polishing tile seat 5 and the lower polishing arm 1. The utility model provides a support seat 2, and further provides at least one pair of swivel pins 4 between the support seat 2 and the polishing tile seat 5, and the pair of swivel pins 4 are symmetrically disposed on both sides of the support seat 2 in the transverse direction; thereby facilitating the adjustment of the position of the polishing tile seat 5, solving the problem of coaxiality difference between the semicircular arcs of the upper and lower polishing tiles 6 after assembly, and solving the problem of coaxiality difference between the polishing tile 6 and the crankshaft.
[0024] In this embodiment, a plurality of fixing screws 3 are provided between the polishing tile 6 and the polishing tile seat 5, between the polishing tile seat 5 and the support seat 2, and between the support seat 2 and the polishing arm 1; more specifically, a plurality of fixing screws 3 are provided between the upper polishing tile 6 and the upper polishing tile seat 5, between the upper polishing tile seat 5 and the upper support seat 2, and between the upper support seat 2 and the upper polishing arm 1.
[0025] In the present embodiment, the directions of the fixing screws 3 between the polishing tile 6 and the polishing tile seat 5, between the polishing tile seat 5 and the support seat 2, and between the support seat 2 and the polishing arm 1 are respectively arranged in unequal directions, so that the cooperation between different components can be more stable and convenient for adjustment. Specifically, in the present embodiment, the polishing tile 6 and the polishing tile seat 5, and between the support seat 2 and the polishing arm 1 are longitudinally connected by multiple fixing screws 3; the polishing tile seat 5 and the support seat 2 are transversely connected by multiple fixing screws 3.
[0026] In this embodiment, a certain gap is left between the polishing tile seat 5 and the support seat 2 , so as to facilitate the movement or rotation of the polishing tile seat 5 in the support seat 2 .
[0027] In this embodiment, a pair of V-shaped gaps opening outward are formed between the opposite sides of a pair of polishing pads 6, a pair of polishing pad seats 5 and a pair of support seats 2, so that when the clamped crankshaft is polished, the clamping force of the upper and lower polishing blocks on the crankshaft can be made more stable and reliable, and can more conveniently adapt to the polishing requirements of different crankshafts.
[0028] Working principle: The utility model uses a polishing block composed of a polishing tile 6 and a polishing tile seat 5, and the two are detachably connected, especially a swivel pin 4 is provided between the polishing tile seat 5 and the support seat 2, so that the polishing tile seat 5 can rotate along the swivel pin 4 in the support seat 2, and can also move slightly along the axis direction of the swivel pin 4, and limit the rotation range of the polishing tile 6 and the polishing tile seat 5, and can also prevent the polishing tile 6 and the tile seat from falling; in this way, after the polishing tile 6 and the polishing tile seat 5 are combined, the fine boring processing of the circular arc on the inner surface of the polishing tile 6 can ensure the roundness and cylindricity of the circular arc; When the centers of the upper and lower polishing tiles 6 are not coaxial, the polishing tile seat 5 can be rotated around the swivel pin 4 to make the polishing tile seat 5 and the polishing tile 6 move axially along the swivel pin 4 to achieve the effect of automatically adjusting the coaxiality; at the same time, in order to avoid excessive movement of the polishing tile seat 5 and affect its stability, the utility model also provides a fixing screw 3 on the outer side of the support seat 2, which extends to the outer side of the polishing tile seat 5 for abutment. In addition, the fixing screw 3 can also extend into the polishing tile seat 5, so as to limit it to a certain position. Under different usage environments, it can be adaptively adjusted according to the situation, and the utility model does not impose any restrictions.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A self-adjustable crankshaft polishing device, characterized in that: It comprises a pair of polishing blocks and polishing arms respectively arranged on the outside of the polishing blocks, and a supporting structure is also arranged between the polishing arms and the polishing blocks; The polishing block comprises a pair of polishing tiles with openings arranged opposite to each other, and a polishing tile seat is detachably provided on one side of the polishing tile opposite to the opening.
2. The self-adjustable crankshaft polishing device according to claim 1, characterized in that: The supporting structure includes a supporting seat arranged between the polishing shoe seat and the polishing arm.
3. The self-adjustable crankshaft polishing device according to claim 2, characterized in that: A plurality of fixing screws are arranged between the polishing tile and the polishing tile seat, between the polishing tile seat and the supporting seat, and between the supporting seat and the polishing arm.
4. The self-adjustable crankshaft polishing device according to claim 2, characterized in that: The directions of the fixing screws between the polishing tile and the polishing tile seat, between the polishing tile seat and the supporting seat, and between the supporting seat and the polishing arm are arranged in unequal directions.
5. The self-adjustable crankshaft polishing device according to claim 4, characterized in that: The polishing tile and the polishing tile seat, as well as the support seat and the polishing arm are longitudinally connected by a plurality of fixing screws; the polishing tile seat and the support seat are transversely connected by a plurality of fixing screws.
6. The self-adjustable crankshaft polishing device according to claim 2, characterized in that: A certain gap is left between the polishing tile seat and the supporting seat.
7. The self-adjustable crankshaft polishing device according to claim 2, characterized in that: At least one pair of swivel pins is arranged between the support seat and the polishing tile seat, and the pair of swivel pins are symmetrically arranged on both sides of the support seat in the transverse direction.
8. The self-adjustable crankshaft polishing device according to claim 2, characterized in that: A pair of V-shaped gaps opening outward are formed between the opposite sides of the pair of polishing tiles, the pair of polishing tile seats and the pair of support seats.