Pneumatic floating polishing head
By using a spring and guide rail structure in the pneumatic grinding head, stable movement of the grinding head and adjustment of grinding force are achieved, solving the vibration and friction problems caused by uneven contact, improving grinding efficiency and accuracy, and reducing maintenance costs.
Patent Information
- Application Number
- CN202520326764.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing pneumatic grinding heads suffer from uneven contact during grinding, leading to increased vibration and frictional resistance, which reduces grinding efficiency and accuracy. Furthermore, they cannot adjust the grinding force to adapt to minute changes on the workpiece surface.
Using a spring as an elastic connecting element, the pressure provided by the spring makes the slider fit evenly against the workpiece surface. Combined with the drive of the guide rail and cylinder, the pneumatic grinding head can move stably and the grinding force can be adjusted.
It improves the uniformity and smoothness of grinding, enhances the applicability of the grinding head, reduces maintenance costs, and ensures grinding efficiency and precision.
Smart Images
Figure CN223863557U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile parts manufacturing, especially to a pneumatic floating polishing head. BACKGROUND
[0002] The pneumatic polishing head is commonly used for removing small excess burrs on the surface of automobile parts and for fine chamfering processing to improve the surface quality and assembly accuracy of the parts. In the polishing process of the existing pneumatic polishing head, uneven contact with the surface of the workpiece is prone to cause vibration and friction resistance, resulting in reduced polishing efficiency. This not only prolongs the processing cycle, but also increases energy consumption and cost.
[0003] Secondly, the ordinary polishing head cannot adjust the polishing force, which makes it difficult to adapt to the slight changes on the surface of the workpiece during polishing, thereby affecting the polishing accuracy. SUMMARY
[0004] In order to make up for the shortcomings of the prior art, the purpose of the utility model is to provide a pneumatic floating polishing head, which solves the technical problems as follows: how to improve the polishing accuracy and efficiency, how to enhance the applicability and reduce the maintenance cost.
[0005] In order to solve the problems of the prior art, the technical scheme of the utility model is as follows:
[0006] A pneumatic floating polishing head, comprising a fixed plate, a movable seat is slidably connected to one side of the fixed plate, guide columns are symmetrically fixedly connected to the side of the movable seat away from the fixed plate, a sliding block B is slidably connected to the outside of the guide columns, springs are sleeved on the outside of the guide columns, the sliding block B is elastically connected to the movable seat through the springs, a lifting seat is arranged on one side of the movable seat, the sliding block B is fixedly connected to the lifting seat, a pneumatic polishing head is installed in the lifting seat, a sandpaper is arranged on the output end of the pneumatic polishing head, a pneumatic cylinder is installed on the top of the fixed plate, and the output end of the pneumatic cylinder is fixedly connected to the movable seat.
[0007] Preferably, guide rails are symmetrically fixedly connected to the side of the fixed plate close to the movable seat, a sliding block A is slidably connected to the outside of the guide rails, and the sliding block A is fixedly connected to the movable seat. The sliding connection between the guide rails and the sliding block A ensures the stable and accurate movement of the polishing head.
[0008] Preferably, mounting holes are symmetrically and equidistantly arranged on one side of the fixed plate, which provides an interface for connecting the pneumatic floating polishing head with a mounting platform, thereby ensuring the stability and safety of the polishing operation.
[0009] Preferably, the movable seat comprises a main plate and support blocks, the main plate is arranged on one side of the fixed plate, support blocks are fixedly connected to the four corners of the side of the main plate away from the fixed plate, and the guide columns are fixedly connected to the inside of the corresponding support blocks at both ends. The structure of the movable seat and the support blocks enhances the overall structural strength and ensures the stability of the polishing head during high-speed rotation and polishing.
[0010] Preferably, the fixed plate is symmetrically provided with assembly grooves on the side close to the movable seat, and the guide rails are fixedly connected in the corresponding assembly grooves, so that the positioning precision and consistency of the polishing head are improved.
[0011] Preferably, the outer side of the spring is sleeved with a dustproof sleeve, so that the spring is protected from dust and impurities, and the service life of the spring is prolonged.
[0012] Preferably, the top end of the air cylinder is provided with a round hole, so that the air cylinder is convenient to install and debug.
[0013] Preferably, the movable seat and the sliding block A are fixedly connected through bolts, so that the movable seat and the sliding block A are firmly connected.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] 1. In the polishing process, the spring applies a certain pressure to the sliding block B, the pressure is transmitted to the pneumatic polishing head through the lifting seat, so that the upward floating force generated by the rotation of the polishing head is reduced, so that the sandpaper can be more uniformly attached to the surface of the workpiece, and the uniformity and smoothness of the polishing effect are ensured.
[0016] 2. The pneumatic floating polishing head has a small volume, can be used on various numerical control machine tools to polish workpieces, and the pneumatic polishing head can be independently moved up and down, the pressure provided by the spring can adjust the uniformity of the attachment of the sandpaper and the surface of the workpiece, the polishing force can be adjusted, and the problem that the ordinary polishing head cannot adjust the polishing force is solved. DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model.
[0018] Figure 2 It is a movable seat structure schematic view of the utility model.
[0019] The drawings show that: 1, fixed plate; 2, round hole; 3, guide rail; 4, sliding block A; 5, movable seat; 6, guide column; 7, sliding block B; 8, spring; 9, lifting seat; 10, pneumatic polishing head; 11, sandpaper; 12, air cylinder; 13, mounting hole; 51, main plate; 52, supporting block. CONCRETE IMPLEMENTING METHOD
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.
[0021] The pneumatic floating polishing head has a fixed plate 1;
[0022] As shown in Figure 1 and Figure 2 , one side of the fixed plate 1 is slidingly connected with a movable seat 5, the side away from the fixed plate 1 of the movable seat 5 is symmetrically fixedly connected with a guide column 6, the outer side of the guide column 6 is slidingly connected with a sliding block B 7, the guide column 6 is sleeved with a spring 8, the sliding block B 7 is elastically connected with the movable seat 5 through the spring 8, one side of the movable seat 5 is provided with a lifting seat 9, the sliding block B 7 is fixedly connected with the lifting seat 9, the lifting seat 9 is internally installed with a pneumatic polishing head 10, the output end of the pneumatic polishing head 10 is provided with a sandpaper 11, the top of the fixed plate 1 is installed with a pneumatic cylinder 12, the output end of the pneumatic cylinder 12 is fixedly connected with the movable seat 5;
[0023] Firstly, the sandpaper 11 is installed to the output end of the pneumatic polishing head 10, ensuring that the sandpaper 11 can fully contact with the surface of the workpiece, so as to achieve the purpose of polishing, next, through the driving of the pneumatic cylinder 12, the pneumatic polishing head 10 starts to move downward, when the piston rod of the pneumatic cylinder 12 extends, the movable seat 5 and the lifting seat 9 and the pneumatic polishing head 10 connected therewith will descend, the driving force of the pneumatic cylinder 12 ensures that the polishing head can accurately contact the surface of the workpiece;
[0024] When the pneumatic polishing head 10 contacts the surface of the workpiece, the polishing head starts to work, at this time, the motor or pneumatic device inside the pneumatic polishing head 10 will drive the sandpaper 11 to rotate at high speed, so as to polish the surface of the workpiece, during the polishing process, the friction between the sandpaper 11 and the surface of the workpiece will generate a certain amount of heat and grinding dust, which is a normal polishing phenomenon;
[0025] In order to keep the sandpaper uniformly attached to the surface of the workpiece, the spring 8 will apply a certain pressure to the sliding block B 7 during the polishing process, this pressure is transmitted to the pneumatic polishing head 10 through the lifting seat 9, so as to reduce the upward floating force generated by the rotation of the polishing head, in this way, the sandpaper 11 can be more uniformly attached to the surface of the workpiece, ensuring the uniformity and smoothness of the polishing effect.
[0026] As shown in Figure 1 and Figure 2 , the side close to the movable seat 5 of the fixed plate 1 is symmetrically fixedly connected with a guide rail 3, the outer side of the guide rail 3 is slidingly connected with a sliding block A 4, the sliding block A 4 is fixedly connected with the movable seat 5, the guide rail 3 provides a smooth and low-friction sliding path for the sliding block A 4, ensuring the stable movement of the movable seat 5 and the pneumatic polishing head 10 thereon on the fixed plate 1.
[0027] As shown in Figure 1 and Figure 2As shown, the fixed plate 1 is symmetrically provided with mounting holes 13 on one side, which facilitates the installation of the fixed plate 1, so that the polishing head can be firmly fixed at the required position, ensuring the stability and safety of the polishing operation.
[0028] As shown in Figure 1 and Figure 2 , the movable seat 5 includes a main plate 51 and a support block 52, the fixed plate 1 is provided with the main plate 51 on one side, the main plate 51 is fixedly connected with the support block 52 at four corners close to the side away from the fixed plate 1, and the guide column 6 is fixedly connected inside the corresponding support block 52 at both ends, the main plate 51 serves as the main load-bearing component of the movable seat 5, and plays a role of transmitting driving force and supporting the pneumatic polishing head 10, and the support block 52 not only provides a stable mounting basis for the guide column 6, but also enhances the overall structural strength of the movable seat 5.
[0029] As shown in Figure 1 and Figure 2 , the fixed plate 1 is symmetrically provided with an assembly groove on the side close to the movable seat 5, and the guide rail 3 is fixedly connected in the corresponding assembly groove, the assembly groove 11 provides an accurate mounting position for the guide rail 3, so that the guide rail 3 can be firmly fixed at the required position, avoiding the problem of unstable movement of the polishing head caused by loosening of the guide rail 3.
[0030] As shown in Figure 1 and Figure 2 , the outer side of the spring 8 is provided with a dustproof sleeve, which effectively isolates the spring 8 from the external environment and prolongs the service life of the spring 8.
[0031] As shown in Figure 1 and Figure 2 , the top end of the air cylinder 12 is provided with a round hole 2, which facilitates the installation of the air cylinder 12.
[0032] As shown in Figure 1 and Figure 2 , the movable seat 5 and the sliding block A4 are fixedly connected through bolts, which not only ensures the firm connection between the movable seat 5 and the sliding block A4, but also facilitates the disassembly and replacement between the movable seat 5 and the sliding block A4.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A pneumatic floating grinding head, comprising a fixed plate (1), wherein a movable seat (5) is slidably connected to one side of the fixed plate (1), characterized in that, The movable seat (5) is symmetrically fixedly connected to a guide post (6) on the side away from the fixed plate (1). A slider B (7) is slidably connected to the outside of the guide post (6). A spring (8) is sleeved on the outside of the guide post (6). The slider B (7) is elastically connected to the movable seat (5) through the spring (8). A lifting seat (9) is provided on one side of the movable seat (5). The slider B (7) is fixedly connected to the lifting seat (9). A pneumatic grinding head (10) is installed inside the lifting seat (9). Sandpaper (11) is provided at the output end of the pneumatic grinding head (10). A cylinder (12) is installed on the top of the fixed plate (1). The output end of the cylinder (12) is fixedly connected to the movable seat (5).
2. The pneumatic floating grinding head according to claim 1, characterized in that, The fixed plate (1) is symmetrically fixedly connected to the guide rail (3) on the side near the movable seat (5), and the outer side of the guide rail (3) is slidably connected to the slider A (4), which is fixedly connected to the movable seat (5).
3. The pneumatic floating grinding head according to claim 1, characterized in that, The fixing plate (1) has mounting holes (13) symmetrically spaced on one side.
4. The pneumatic floating grinding head according to claim 1, characterized in that, The movable seat (5) includes a main board (51) and a support block (52). The main board (51) is provided on one side of the fixed plate (1). The four corners of the main board (51) near the side away from the fixed plate (1) are fixedly connected to the support block (52). The two ends of the guide post (6) are respectively fixedly connected to the inside of the corresponding support block (52).
5. The pneumatic floating grinding head according to claim 2, characterized in that, The fixed plate (1) has symmetrically opened assembly slots on the side near the movable seat (5), and the guide rails (3) are respectively fixedly connected in the corresponding assembly slots.
6. The pneumatic floating grinding head according to claim 1, characterized in that, The outer side of the spring (8) is fitted with a dust cover.
7. The pneumatic floating grinding head according to claim 1, characterized in that, The cylinder (12) has a round hole (2) at its top.
8. The pneumatic floating grinding head according to claim 1, characterized in that, The movable seat (5) and the slider A (4) are fixedly connected by bolts.