Polishing device for mechanical manufacturing
By combining position adjustment and angle adjustment mechanisms, the problem of inconvenience in grinding the sides of mechanical parts by existing grinding devices is solved, realizing efficient multi-angle grinding and improving grinding efficiency and convenience.
Patent Information
- Application Number
- CN202422847418.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing grinding equipment is usually fixed, which is not convenient for grinding the sides of mechanical parts, resulting in time and labor costs. In addition, the fixed structure makes it difficult to adjust to multiple angles.
The system employs a combination of a position adjustment mechanism, a lifting assembly, a grinding motor, and a grinding assembly. The lifting assembly moves the grinding assembly to the side of the mechanical part for grinding, and the angle adjustment mechanism adjusts the angle of the mechanical part.
It enables convenient grinding of the sides of mechanical parts, improves grinding efficiency, supports multi-angle adjustment, and simplifies the operation process.
Smart Images
Figure CN223776784U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding technology in mechanical manufacturing, and specifically to a grinding device for mechanical manufacturing. Background Technology
[0002] Machinery manufacturing refers to the industrial sector engaged in the production of various power machinery, lifting and transportation machinery, chemical machinery, textile machinery, machine tools, tools, instruments, meters, and other mechanical equipment. The machinery manufacturing industry provides technical equipment for the entire national economy. Grinding, a surface modification technology, generally refers to a processing method that uses a rough object (such as sandpaper containing high-hardness particles) to change the physical properties of a material surface through friction, primarily to obtain a specific surface roughness. Grinding devices used in machinery manufacturing typically utilize grinding discs to grind end faces. The following problems exist with existing technologies:
[0003] Existing grinding equipment is usually fixed, which is not convenient for grinding the sides of mechanical parts. Manual grinding is generally used, which is time-consuming and labor-intensive, reducing grinding efficiency. Secondly, most existing grinding equipment for manufacturing mechanical parts has a fixed structure, which is not convenient for adjusting the workpiece at multiple angles. Utility Model Content
[0004] This invention provides a grinding device for mechanical manufacturing to solve the problems existing in the background art.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0006] A grinding device for mechanical manufacturing includes a grinding table. Mounting plates are fixedly connected to the top left and right sides of the grinding table. A horizontal plate is fixedly connected to the top of the opposing surfaces of the two mounting plates. A position adjustment mechanism is provided at the top left end of the left mounting plate. The right end of the outer wall of the position adjustment mechanism extends through the interior of the horizontal plate. A lifting assembly is provided at the bottom of the horizontal plate. A grinding motor is provided at the bottom of the lifting assembly. A grinding assembly is provided on the output shaft of the grinding motor. Fixing assemblies are provided at the bottom of the two mounting plates at opposite ends. The opposing surfaces of the two fixing assemblies extend through the left and right ends of the mounting plates and are mirror images of each other. An angle adjustment mechanism is provided in the middle of the grinding table. The bottom of the outer wall of the angle adjustment mechanism extends through the interior of the grinding table. An annular groove is formed on the middle side of the top of the grinding table. A control panel is provided at the front end of the grinding table.
[0007] A further improvement of this utility model is that: a connecting groove is provided on the middle side of the bottom of the horizontal plate, and limit grooves are respectively provided on the front and rear sides of the bottom of the horizontal plate near the connecting groove; the position adjustment mechanism includes a stepper motor, a lead screw, a moving block and a connecting block; the output shaft of the connecting block is fixedly connected to the left end of the lead screw; the right end of the outer wall of the lead screw passes through the right end of the inner part of the connecting groove and is rotatably connected between them; the outer wall of the lead screw passes through the left and right ends of the middle part of the moving block and is threadedly connected between them; and the upper end of the connecting block is fixedly connected to the bottom of the moving block through the connecting groove.
[0008] A further improvement of the present invention is that the lifting assembly includes a hydraulic cylinder, a connecting plate 1 is fixedly connected to the top of the hydraulic cylinder, limit blocks are fixedly connected to the front and rear sides of the top of the connecting plate 1, a connecting plate 2 is fixedly connected to the output end of the hydraulic cylinder, and fixed pipes are fixedly connected to the four corners of the top of the connecting plate 2 near the outer side of the hydraulic cylinder, and movable rods are slidably connected inside the four fixed pipes, and the upper ends of the four movable rods are fixedly connected to the bottom of the connecting plate 1.
[0009] A further improvement of the present invention is that: the top middle side of the first connecting plate is fixedly connected to the bottom of the connecting block, the outer wall of the limiting block is slidably connected to the inner wall of the limiting groove, and the bottom of the second connecting plate is fixedly connected to the top of the grinding motor.
[0010] A further improvement of this utility model is that the grinding assembly includes a mounting sleeve, a grinding block, a mounting block, a fixing bolt, and a nut. The output shaft of the grinding motor is fixedly connected to the top middle side of the mounting sleeve. The mounting block is fixedly connected to the top middle side of the grinding block. The outer wall of the mounting block is sleeved with the inside of the mounting sleeve. The outer wall of the mounting sleeve has a through-hole. The upper side of the outer wall of the mounting block has a connecting hole with the same inner diameter as the through-hole and is open to the left and right. The outer wall of the left end of the fixing bolt passes through to the left end of the through-hole and the connecting hole and is connected to the internal thread of the nut.
[0011] A further improvement of the present invention is that the fixing component includes an electric telescopic rod, one end of which is fixedly connected to the outer wall of the mounting plate, the output end of which passes through the left and right ends of the mounting plate and is fixedly connected to a fixing plate, positioning plates are fixedly connected to the upper and lower sides of the front and rear ends of the fixing plate, a circular rubber pad is fixedly connected to the end of the fixing plate away from the electric telescopic rod, and rubber strips are fixedly connected to the ends of the four positioning plates away from the electric telescopic rod.
[0012] A further improvement of this utility model is that the angle adjustment mechanism includes a drive motor, a turntable, and a connecting column. The output shaft of the drive motor is fixedly connected to the lower end of the connecting column, and the upper end of the connecting column is fixedly connected to the lower middle part of the turntable. An anti-slip pad is provided on the top of the turntable. Several arc-shaped sliding plates are fixedly connected in an annular array on the bottom of the turntable near the annular groove. Several slots are equally spaced on the bottom of the several arc-shaped sliding plates, and steel balls are provided inside the several slots.
[0013] A further improvement of the present invention is that: a fixed groove with an inner and outer through-hole is provided in the middle of the grinding table, the bottom of the drive motor is fixedly connected to the bottom of the fixed groove, the top of the outer wall of the connecting column passes through the fixed groove to the top of the grinding table, the outer sides of several arc-shaped sliding plates are slidably connected to the inside of the annular groove, and the outer surfaces of several steel balls overlap with the inner wall of the annular groove.
[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0015] This utility model provides a grinding device for mechanical manufacturing. It employs a horizontal plate, a position adjustment mechanism, a lifting component, a grinding motor, and a grinding component in coordination. By setting up the lifting component, the grinding motor and grinding component are moved. Then, by operating the position adjustment mechanism, the lifting component can be moved along the mounting plate, driving the grinding block in the grinding component to move to the outside of the mechanical part for grinding. This solves the problem that existing grinding devices are usually fixed and inconvenient for grinding the sides of mechanical parts, and generally require manual grinding, which is time-consuming, labor-intensive, and reduces grinding efficiency. This device achieves the beneficial effects of facilitating the grinding of the sides of mechanical parts, simplifying operation, and improving grinding efficiency.
[0016] This utility model provides a grinding device for mechanical manufacturing, which employs a combination of a fixed component, an angle adjustment mechanism, and an annular groove. By operating the fixed component, the mechanical parts on the angle adjustment mechanism can be positioned and fixed. During the grinding process, the drive motor in the angle adjustment mechanism rotates the turntable, thereby adjusting the angle of the mechanical parts. This solves the problem that most existing grinding devices for mechanical parts manufacturing have fixed structures, making it inconvenient to adjust the workpiece at multiple angles. It achieves the beneficial effect of facilitating multi-angle adjustment of mechanical parts and improving the convenience of grinding. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the grinding device for mechanical manufacturing according to this utility model;
[0018] Figure 2This is a three-dimensional structural diagram of the position adjustment mechanism and lifting component of this utility model;
[0019] Figure 3 This is a three-dimensional structural diagram of the grinding component of this utility model;
[0020] Figure 4 This is a three-dimensional structural diagram of the fixing component of this utility model;
[0021] Figure 5 This is a three-dimensional structural diagram of the angle adjustment mechanism of this utility model.
[0022] In the diagram: 1. Grinding table; 101. Fixing groove; 2. Mounting plate; 3. Horizontal plate; 301. Connecting groove; 302. Limiting groove; 4. Position adjustment mechanism; 41. Stepper motor; 42. Lead screw; 43. Moving block; 44. Connecting block; 5. Lifting assembly; 51. Hydraulic cylinder; 52. Connecting plate one; 53. Limiting block; 54. Connecting plate two; 55. Fixing tube; 56. Movable rod; 6. Grinding motor; 7. Grinding assembly; 71. Mounting sleeve; 710. 72. Socket; 73. Grinding block; 74. Mounting block; 75. Connecting hole; 76. Fixing bolt; 77. Nut; 8. Fixing assembly; 87. Electric telescopic rod; 88. Fixing plate; 89. Positioning plate; 80. Circular rubber pad; 81. Rubber strip; 92. Angle adjustment mechanism; 93. Drive motor; 94. Turntable; 95. Connecting column; 96. Anti-slip pad; 97. Arc-shaped sliding plate; 98. Slot; 99. Steel ball; 10. Annular groove; 11. Control panel. Detailed Implementation
[0023] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:
[0024] like Figure 1 As shown, this utility model provides a grinding device for mechanical manufacturing, including a grinding table 1. Mounting plates 2 are fixedly connected to the top left and right sides of the grinding table 1, and horizontal plates 3 are fixedly connected to the top of the opposite sides of the two mounting plates 2. A position adjustment mechanism 4 is provided at the top of the left end of the left mounting plate 2. The right end of the outer wall of the position adjustment mechanism 4 extends through the interior of the horizontal plate 3. A lifting component 5 is provided at the bottom of the horizontal plate 3. A grinding motor 6 is provided at the bottom of the lifting component 5. A grinding component 7 is provided on the output shaft of the grinding motor 6. A fixing component 8 is provided at the bottom of the two mounting plates 2 at opposite ends. The opposite sides of the two fixing components 8 extend through the left and right ends of the mounting plate 2 and are mirror images of each other. An angle adjustment mechanism 9 is provided in the middle of the grinding table 1. The bottom of the outer wall of the angle adjustment mechanism 9 extends through the interior of the grinding table 1. An annular groove 10 is provided on the middle side of the top of the grinding table 1. A control panel 11 is provided at the front end of the grinding table 1.
[0025] The system includes a position adjustment mechanism 4, a lifting component 5, a grinding motor 6, a grinding component 7, a fixing component 8, and an angle adjustment mechanism 9. The grinding component 7 is raised and lowered by the coordinated operation of the lifting component 5, the grinding motor 6, and the grinding component 7, which facilitates grinding of mechanical parts at different heights. The position adjustment mechanism 4 can adjust the position of the grinding component 7, which facilitates grinding of different positions of mechanical parts. The angle adjustment mechanism 9 facilitates adjustment of the grinding angle of mechanical parts.
[0026] like Figure 2 As shown, this utility model provides a technical solution for a grinding device for mechanical manufacturing: a connecting groove 301 is provided on the middle side of the bottom of the horizontal plate 3, and limit grooves 302 are respectively provided on the front and rear sides of the bottom of the horizontal plate 3 near the connecting groove 301. The position adjustment mechanism 4 includes a stepper motor 41, a lead screw 42, a moving block 43, and a connecting block 44. The output shaft of the connecting block 44 is fixedly connected to the left end of the lead screw 42. The right end of the outer wall of the lead screw 42 passes through the right end of the inner part of the connecting groove 301 and is rotatably connected to it. The outer wall of the lead screw 42 passes through the left and right ends of the middle part of the moving block 43 and is threadedly connected to it. The upper end of the connecting block 44 is fixedly connected to the bottom of the moving block 43 through the connecting groove 301. The output shaft of the stepper motor 41 drives the lead screw 42 to rotate, so that the lifting assembly 5 can be driven to move left and right. The lifting assembly 5 includes a hydraulic cylinder 51, and a connecting plate 5 is fixedly connected to the top of the hydraulic cylinder 51. 2. Limiting blocks 53 are fixedly connected to the front and rear sides of the top of the connecting plate 1 52 respectively. The output end of the hydraulic cylinder 51 is fixedly connected to the connecting plate 2 54. The four corners of the top of the connecting plate 2 54 near the outside of the hydraulic cylinder 51 are fixedly connected to the fixing tubes 55 respectively. Movable rods 56 are slidably connected inside the four fixing tubes 55. When the output end of the hydraulic cylinder 51 is extended or retracted, the outer wall of the movable rod 56 slides along the inside of the fixing tube 55, which improves the stability of the grinding assembly 7. The upper ends of the four movable rods 56 are fixedly connected to the bottom of the connecting plate 1 52. The top middle side of the connecting plate 1 52 is fixedly connected to the bottom of the connecting block 44. The outer wall of the limiting block 53 is slidably connected to the inner wall of the limiting groove 302. The limiting block 53 slides inside the limiting groove 302, which limits the movement trajectory of the hydraulic cylinder 51. The bottom of the connecting plate 2 54 is fixedly connected to the top of the grinding motor 6.
[0027] like Figure 3As shown, this utility model provides a technical solution for a grinding device for mechanical manufacturing: the grinding assembly 7 includes a mounting sleeve 71, a grinding block 72, a mounting block 73, a fixing bolt 74, and a nut 75. The output shaft of the grinding motor 6 is fixedly connected to the top middle side of the mounting sleeve 71. The mounting block 73 is fixedly connected to the top middle side of the grinding block 72. The outer wall of the mounting block 73 is sleeved with the inside of the mounting sleeve 71. The outer wall of the mounting sleeve 71 has a through-hole 710. The upper side of the outer wall of the mounting block 73 has a through-hole 730 with the same inner diameter as the through-hole 710. The outer wall of the left end of the fixing bolt 74 passes through the left end of the through-hole 710 and the through-hole 730 and is threadedly connected to the inside of the nut 75. By installing the mounting block 73 into the inside of the mounting sleeve 71, the grinding block 72 is installed and fixed by the fixing bolt 74 and the nut 75 through the through-hole 710 and the through-hole 730.
[0028] like Figure 4 As shown, this utility model provides a technical solution for a grinding device for mechanical manufacturing: the fixing component 8 includes an electric telescopic rod 81, one end of which is fixedly connected to the outer wall of the mounting plate 2. The output end of the electric telescopic rod 81 passes through the left and right ends of the mounting plate 2 and is fixedly connected to a fixing plate 82. Positioning plates 83 are fixedly connected to the upper and lower sides of the front and rear ends of the fixing plate 82, respectively. A circular rubber pad 84 is fixedly connected to the end of the fixing plate 82 away from the electric telescopic rod 81. Rubber strips 85 are fixedly connected to the ends of the four positioning plates 83 away from the electric telescopic rod 81. By setting the circular rubber pad 84 and positioning plates 83 on the fixing plate 82 and positioning plates 83, the surface of the mechanical parts is stabilized.
[0029] like Figure 5As shown, this utility model provides a technical solution for a grinding device for mechanical manufacturing: the angle adjustment mechanism 9 includes a drive motor 91, a turntable 92, and a connecting column 93. The output shaft of the drive motor 91 is fixedly connected to the lower end of the connecting column 93, and the upper end of the connecting column 93 is fixedly connected to the lower middle part of the turntable 92. An anti-slip pad 94 is provided on the top of the turntable 92. The output shaft of the drive motor 91 drives the turntable 92 to rotate, thereby adjusting the grinding angle of the mechanical parts on the anti-slip pad 94. Several arc-shaped sliding plates 95 are fixedly connected in an annular array on the bottom side of the turntable 92 near the annular groove 10. Several slots are evenly spaced on the bottom of the arc-shaped sliding plates 95. 950, several slots 950 are each equipped with steel balls 96 inside. The middle of the grinding table 1 is provided with a through-hole fixed groove 101. The bottom of the drive motor 91 is fixedly connected to the bottom of the fixed groove 101. The top of the outer wall of the connecting column 93 passes through the fixed groove 101 to the top of the grinding table 1. The outer sides of several arc-shaped sliding plates 95 are slidably connected to the inside of the annular groove 10. The outer surfaces of several steel balls 96 overlap with the inner wall of the annular groove 10. The arc-shaped sliding plates 95 slide in the annular groove 10, which improves the stability of the turntable 92 sliding. During the sliding of the arc-shaped sliding plates 95, the steel balls 96 roll along the inner wall of the annular groove 10, which improves the smoothness of the sliding.
[0030] The working principle of this grinding device for mechanical manufacturing will be explained in detail below.
[0031] like Figure 1-5As shown, when grinding parts in mechanical manufacturing, firstly, connect the control panel 11 to the power supply via a wire, install the mounting block 73 on the grinding block 72 into the mounting sleeve 71, aligning the connecting hole 730 with the insertion hole 710. Then, use a fixing bolt 74 to pass through the insertion hole 710 and the connecting hole 730 from right to left, and then use a nut 75 to engage with the thread on the inserted fixing bolt 74, thus completing the installation of the grinding block 72. Next, place the mechanical part to be ground on the anti-slip pad 94, and start the LS model on both sides. The electric telescopic rod 81 of the L35S drives the fixed plate 82 to move closer to one side of the mechanical part, so that the two fixed plates 82 clamp the left and right sides of the mechanical part. This allows the circular rubber pads 84 and rubber strips 85 on the fixed plates 82 and positioning plates 83 to tightly adhere to the surface of the mechanical part, increasing friction and thus fixing the mechanical part onto the turntable 92. Then, the hydraulic cylinder 51 (model 140H-8R) is activated. The output end of the hydraulic cylinder 51 drives the... The grinding block 72 moves downwards to the upper surface of the mechanical part, and then the grinding motor 6 is started. The output shaft of the grinding motor 6 drives the grinding block 72 to rotate, so that the grinding block 72 grinds the surface of the mechanical part. When grinding the side of the mechanical part, the stepper motor 41 (model 2HSS7) is started. The output shaft of the stepper motor 41 drives the lead screw 42 to rotate, so that the moving block 43, through the connecting block 44, moves the grinding block 72 along the limiting groove 302, thus moving the grinding block 72 to the side of the mechanical part. During the grinding process, when adjusting the angle of the mechanical parts, the grinding motor 6 is turned off, and the fixed plate 82 is disengaged from the surface of the mechanical parts by operating the electric telescopic rod 81. Then, the drive motor 91 is started to drive the turntable 92 to rotate, thereby adjusting the grinding angle of the mechanical parts on the turntable 92. After adjusting to the appropriate angle, the electric telescopic rod 81 is started to clamp and fix the mechanical parts again by the fixed plate 82 and the positioning plate 83. Then, the grinding motor 6 is started to grind the mechanical parts, improving the convenience of grinding.
[0032] The control panel 11 used is a product of existing technology in terms of its specific type and structure. The specific circuit connection structure and control relationship between the control panel 11 and the stepper motor 41, hydraulic cylinder 51, grinding motor 6, electric telescopic rod 81 and drive motor 91 are also existing technologies and will not be described in detail here.
[0033] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A grinding device for mechanical manufacturing, comprising a grinding table (1), characterized in that: Mounting plates (2) are fixedly connected to the top left and right sides of the grinding table (1). A horizontal plate (3) is fixedly connected to the top of the opposite sides of the two mounting plates (2). A position adjustment mechanism (4) is provided at the top of the left end of the left mounting plate (2). The right end of the outer wall of the position adjustment mechanism (4) extends into the interior of the horizontal plate (3). A lifting assembly (5) is provided at the bottom of the horizontal plate (3). A grinding motor (6) is provided at the bottom of the lifting assembly (5). A grinding assembly (7) is provided on the output shaft of the grinding motor (6). A fixing assembly (8) is provided at the bottom of the two mounting plates (2) at opposite ends. The opposite sides of the two fixing assemblies (8) extend through the left and right ends of the mounting plate (2) and are mirror images of each other. An angle adjustment mechanism (9) is provided in the middle of the grinding table (1). The outer side of the angle adjustment mechanism (9)... The bottom of the wall extends into the interior of the grinding table (1). The grinding table (1) has an annular groove (10) on the top center side. The front end of the grinding table (1) is equipped with a control panel (11). The angle adjustment mechanism (9) includes a drive motor (91), a turntable (92), and a connecting column (93). The output shaft of the drive motor (91) is fixedly connected to the lower end of the connecting column (93). The upper end of the connecting column (93) is fixedly connected to the lower center of the turntable (92). The top of the turntable (92) is equipped with an anti-slip pad (94). Several arc-shaped sliding plates (95) are fixedly connected in an annular array on the bottom side of the turntable (92) near the annular groove (10). Several slots (950) are evenly arranged at the bottom of the several arc-shaped sliding plates (95). Steel balls (96) are arranged inside the several slots (950).
2. The grinding device for mechanical manufacturing according to claim 1, characterized in that: A connecting groove (301) is provided on the middle side of the bottom of the horizontal plate (3). Limiting grooves (302) are respectively provided on the front and rear sides of the bottom of the horizontal plate (3) near the connecting groove (301). The position adjustment mechanism (4) includes a stepper motor (41), a lead screw (42), a moving block (43) and a connecting block (44). The output shaft of the connecting block (44) is fixedly connected to the left end of the lead screw (42). The right end of the outer wall of the lead screw (42) passes through the right end of the inner part of the connecting groove (301) and is rotatably connected between them. The outer wall of the lead screw (42) passes through the left and right ends of the middle part of the moving block (43) and is threadedly connected between them. The upper end of the connecting block (44) is fixedly connected to the bottom of the moving block (43) through the connecting groove (301).
3. The grinding device for mechanical manufacturing according to claim 1, characterized in that: The lifting assembly (5) includes a hydraulic cylinder (51), a connecting plate (52) is fixedly connected to the top of the hydraulic cylinder (51), limit blocks (53) are fixedly connected to the front and rear sides of the top of the connecting plate (52), a connecting plate (54) is fixedly connected to the output end of the hydraulic cylinder (51), and fixed pipes (55) are fixedly connected to the four corners of the top of the connecting plate (54) near the outside of the hydraulic cylinder (51), and movable rods (56) are slidably connected inside the four fixed pipes (55), and the upper ends of the four movable rods (56) are fixedly connected to the bottom of the connecting plate (52).
4. A grinding device for mechanical manufacturing according to claim 3, characterized in that: The top middle side of the first connecting plate (52) is fixedly connected to the bottom of the connecting block (44), the outer wall of the limiting block (53) is slidably connected to the inner wall of the limiting groove (302), and the bottom of the second connecting plate (54) is fixedly connected to the top of the grinding motor (6).
5. A grinding device for mechanical manufacturing according to claim 1, characterized in that: The grinding assembly (7) includes a mounting sleeve (71), a grinding block (72), a mounting block (73), a fixing bolt (74), and a nut (75). The output shaft of the grinding motor (6) is fixedly connected to the top middle side of the mounting sleeve (71). The mounting block (73) is fixedly connected to the top middle side of the grinding block (72). The outer wall of the mounting block (73) is sleeved with the inside of the mounting sleeve (71). The outer wall of the mounting sleeve (71) is provided with a through-hole (710) that runs from left to right. The upper side of the outer wall of the mounting block (73) is provided with a connecting hole (730) that has the same inner diameter as the through-hole (710) and runs from left to right. The outer wall of the left end of the fixing bolt (74) passes through to the left end of the through-hole (710) and the connecting hole (730) and is threadedly connected to the inside of the nut (75).
6. A grinding device for mechanical manufacturing according to claim 1, characterized in that: The fixing component (8) includes an electric telescopic rod (81), one end of which is fixedly connected to the outer wall of the mounting plate (2). The output end of the electric telescopic rod (81) passes through the left and right ends of the mounting plate (2) and is fixedly connected to a fixing plate (82). Positioning plates (83) are fixedly connected to the upper and lower sides of the front and rear ends of the fixing plate (82). A circular rubber pad (84) is fixedly connected to the end of the fixing plate (82) away from the electric telescopic rod (81). Rubber strips (85) are fixedly connected to the ends of the four positioning plates (83) away from the electric telescopic rod (81).
7. A grinding device for mechanical manufacturing according to claim 1, characterized in that: The grinding table (1) has a through-hole fixed groove (101) in the middle. The bottom of the drive motor (91) is fixedly connected to the bottom of the fixed groove (101). The top of the outer wall of the connecting column (93) passes through the fixed groove (101) to the top of the grinding table (1). The outer sides of several arc-shaped sliding plates (95) are slidably connected to the inside of the annular groove (10). The outer surfaces of several steel balls (96) overlap with the inner wall of the annular groove (10).