Stainless steel gasket grinding tool
By designing a stainless steel gasket grinding fixture with positioning mechanism, filtering component, cooling mechanism and grinding mechanism, the problems of uneven clamping force, low cooling efficiency and poor processing consistency in stainless steel gasket processing are solved, and high-precision and high-speed grinding effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGTAI HUISHENG STAINLESS STEEL PRODUCTS CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-01
AI Technical Summary
In the existing technology, the processing of stainless steel gaskets has problems such as uneven clamping force distribution leading to plastic deformation, poor adaptability to clamping requirements, poor processing consistency, wavy defects on the grinding surface, low efficiency of the cooling system, and thermal deformation.
A stainless steel shim grinding fixture was designed, comprising a positioning mechanism, a filtering assembly, a cooling mechanism, a lifting mechanism, and a grinding mechanism. It achieves flexible positioning through springs and positioning columns, uses an annular filter to filter impurities, a U-shaped bracket to supply water for cooling, an electric push rod to adjust the height, a motor to drive grinding, and wear-resistant coating to improve service life.
It achieves precise fixing and efficient grinding of gaskets, prevents shaking, improves processing accuracy and production efficiency, reduces chip leakage and water waste, and extends equipment service life.
Smart Images

Figure CN224182711U_ABST
Abstract
Description
A stainless steel gasket grinding fixture Technical Field
[0001] This utility model belongs to the field of stainless steel gasket technology, specifically a stainless steel gasket grinding fixture. Background Technology
[0002] In the field of machinery manufacturing and equipment, stainless steel gaskets, as key sealing and connecting components, are widely used in high-precision applications such as aerospace, petrochemicals, and medical devices. Their processing quality directly affects the reliability, sealing performance, and service life of equipment. Especially in high-pressure, high-temperature, or corrosive environments, extremely high requirements are placed on the dimensional accuracy (e.g., thickness tolerance ±0.01mm), surface roughness (Ra≤0.8μm), and flatness (≤0.005mm) of the gaskets.
[0003] Manual bolt clamping has significant drawbacks: uneven clamping force distribution easily causes plastic deformation of thin-walled gaskets (thickness < 1 mm), especially during grinding, where localized stress concentration leads to deterioration of gasket flatness (from 0.01 mm to 0.04 mm). Early pneumatic clamping devices, due to low air pressure control accuracy (pressure fluctuation ±0.1 MPa), struggle to adapt to the clamping requirements of gaskets of varying thicknesses, often exhibiting "overpressure deformation" or "underpressure slippage," affecting machining consistency. Traditional tooling lacks precision guiding mechanisms, and grinding wheel feed relies on manual hand-cranking, resulting in straightness errors > 0.05 mm / m, leading to wavy defects on the ground surface. Simultaneously, cooling systems often employ fixed-point pouring, causing the grinding zone temperature to easily rise above 300℃, triggering thermal deformation of stainless steel. Chips accumulate on the tooling surface, affecting subsequent clamping accuracy and potentially scratching the machined surface, requiring frequent shutdowns for cleaning, reducing production efficiency by more than 30%.
[0004] Therefore, this utility model provides a stainless steel gasket grinding fixture. Summary of the Invention
[0005] To overcome the shortcomings of the existing technology and solve at least one of the problems mentioned in the background technology, a stainless steel shim grinding fixture is proposed.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A stainless steel gasket grinding fixture of this utility model includes a table; a support leg is fixedly installed at the bottom of the table; a fixed upright plate is fixedly installed at the top of the table; a fixed disc is fixedly installed at the bottom of the inner wall of the table; a positioning mechanism is provided at the top of the fixed disc; a filter assembly is provided on the inner wall of the table; a cooling mechanism is provided at the bottom of the table; a lifting mechanism is provided at the top of the table; a grinding mechanism is provided at the top of the table; the positioning mechanism includes a spring, a push block, and a positioning element. The column has several sets of springs, which are fixedly installed on the bottom of the inner wall of the top of the fixed disc. The top of the spring is fixedly installed with the push block, and the top of the push block is threadedly installed with the positioning column. The spring allows the positioning column to slide up and down freely, so that the grinding disc can contact the pad. The cooperation between the push block and the positioning column allows the size of the positioning column to be changed according to the size of different pads. At the same time, the positioning column can also fix the pad. The excessive protrusion of the positioning column makes it more convenient for the user to place the pad, and also prevents the pad from shaking or shifting.
[0007] Preferably, the filter assembly includes an annular filter screen and a sealing ring. The annular filter screen is movably mounted on the surface of the fixed disc, and the bottom of the annular filter screen is fixedly mounted to the sealing ring. The annular filter screen is movably mounted to the table. In this design, the annular filter screen can filter out impurities in the water, making it more convenient for users to clean debris. At the same time, it can effectively prevent debris from entering the water tank. The sealing ring can provide a sealing effect for the annular filter screen, preventing water leakage and debris from flowing downwards.
[0008] Preferably, the cooling mechanism includes a U-shaped bracket, a water tank, a water supply pipe, an arc-shaped water supply pipe, a nozzle, and a drain pipe. The U-shaped bracket is fixedly installed at the bottom of the tabletop. The top of the inner wall of the U-shaped bracket is fixedly installed with the water tank. The two sides of the top of the water tank are fixedly installed with the water supply pipe. The water supply pipe runs through the tabletop to the top of the tabletop. One side of the top of the water supply pipe is fixedly installed with the arc-shaped water supply pipe. Several sets of nozzles are arranged in a ring and fixedly installed on the side of the arc-shaped water supply pipe near the fixed disc. The drain pipe is fixedly installed on both sides of the bottom of the inner wall of the tabletop. The bottom of the drain pipe runs through the tabletop and is fixedly installed with the water tank. In this design, the U-shaped bracket, water tank, and water supply pipe work together to supply water to the arc-shaped water supply pipe and nozzles, enabling them to cool the gasket. The arc-shaped water supply pipe and nozzles work together to spray the cooling liquid evenly onto the gasket to remove the high temperature generated during polishing. The drain pipe can recycle the water flow, reducing water waste.
[0009] Preferably, the lifting mechanism includes an electric push rod, a rectangular slot, and a horizontal plate. The electric push rod is fixedly installed on both sides of the top of the tabletop. The rectangular slot is formed on the inner wall of the fixed upright plate. The horizontal plate is slidably installed on the inner wall of the fixed upright plate through the rectangular slot. The bottom of the horizontal plate is fixedly installed with the output end of the electric push rod. In this scheme, the combined use of the electric push rod, the rectangular slot, and the horizontal plate can adjust the height of the grinding mechanism so that it can maintain a certain height when not in use, while ensuring normal contact between the grinding mechanism and the pad.
[0010] Preferably, the grinding mechanism includes a fixed long plate, a motor, and a grinding disc. The fixed long plate is fixedly installed on the top of the horizontal plate, the top of the fixed long plate is fixedly installed with the motor, the bottom of the fixed long plate is rotatably installed with the grinding disc, and the top of the grinding disc is fixedly installed with the output end of the motor. In this scheme, the cooperation of the fixed long plate, the motor, and the grinding disc can grind the gasket, making the gasket surface smoother and more precise. At the same time, it can also grind multiple gaskets simultaneously, improving the production speed.
[0011] Preferably, the surface of the positioning post is coated with a wear-resistant coating. This coating can prevent the positioning post from experiencing severe wear during long-term use, ensuring a long service life and improving the practicality of the equipment.
[0012] The beneficial effects of this utility model are as follows:
[0013] 1. The stainless steel gasket grinding fixture of this utility model, through the arrangement of spring, push block and positioning post, allows the positioning post to slide up and down freely, so that the grinding disc can contact the gasket. The cooperation of push block and positioning post can change the size of positioning post according to the size of different gaskets. At the same time, positioning post can also fix the gasket. The excessive protrusion of positioning post can make it more convenient for users to place the gasket, and at the same time prevent the gasket from shaking or shifting.
[0014] 2. The stainless steel gasket grinding fixture of this utility model, through the setting of an annular filter screen and a sealing ring, enables the annular filter screen to filter out impurities in the water, making it more convenient for users to clean up debris. At the same time, it can also effectively prevent debris from entering the water tank. The sealing ring can provide a sealing effect for the annular filter screen to prevent water leakage and debris from flowing downwards. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings.
[0016] Figure 1 is a front perspective view of this utility model;
[0017] Figure 2 is a front view of this utility model;
[0018] Figure 3 is a top view of this utility model;
[0019] Figure 4 is a partial cross-sectional view of the present invention.
[0020] Figure 5 is a magnified view of part A in Figure 1;
[0021] Figure 6 is a magnified view of part B in Figure 1;
[0022] Figure 7 is a magnified view of part C in Figure 3.
[0023] Legend:
[0024] 1. Tabletop; 2. Support legs; 3. Fixed upright plate; 4. Fixed disc; 5. Positioning mechanism; 51. Spring; 52. Push block; 53. Positioning column; 6. Filter assembly; 61. Annular filter screen; 62. Sealing ring; 7. Cooling mechanism; 71. U-shaped bracket; 72. Water tank; 73. Water supply pipe; 74. Arc-shaped water supply pipe; 75. Nozzle; 76. Drain pipe; 8. Lifting mechanism; 81. Electric push rod; 82. Rectangular groove; 83. Horizontal plate; 9. Grinding mechanism; 91. Fixed long plate; 92. Motor; 93. Grinding disc. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0026] Specific implementation examples are given below.
[0027] As shown in Figures 1 to 7, the stainless steel gasket grinding fixture of this embodiment includes a table 1; a support leg 2 is fixedly installed at the bottom of the table 1, a fixed upright plate 3 is fixedly installed at the top of the table 1, a fixed disc 4 is fixedly installed at the bottom of the inner wall of the table 1, a positioning mechanism 5 is provided at the top of the fixed disc 4, and a filter assembly 6 is provided on the inner wall of the table 1; a cooling mechanism 7 is provided at the bottom of the table 1, a lifting mechanism 8 is provided at the top of the table 1, and a grinding mechanism 9 is provided at the top of the table 1; the positioning mechanism 5 includes a spring 51, a push block 52, and a positioning column 53, and several sets of springs 51 are provided. Several sets of springs 51 are fixedly installed on the bottom of the inner wall of the top of the fixed disc 4. The top of the springs 51 is fixedly installed with the push block 52, and the top of the push block 52 is threadedly installed with the positioning post 53. The filter assembly 6 includes an annular filter screen 61 and a sealing ring 62. The annular filter screen 61 is movably installed on the surface of the fixed disc 4. The bottom of the annular filter screen 61 is fixedly installed with the sealing ring 62. The annular filter screen 61 is movably installed with the table 1. The cooling mechanism 7 includes a U-shaped bracket 71, a water tank 72, a water supply pipe 73, an arc-shaped water supply pipe 74, a nozzle 75, and a drain pipe 76. The U-shaped bracket 71 is fixedly installed on the bottom of the table 1. The top of the inner wall of the frame 71 is fixedly installed with the water tank 72. The two sides of the top of the water tank 72 are fixedly installed with the water supply pipe 73. The water supply pipe 73 runs through the tabletop 1 to the top of the tabletop 1. One side of the top of the water supply pipe 73 is fixedly installed with the arc-shaped water supply pipe 74. Several sets of nozzles 75 are provided. The several sets of nozzles 75 are fixedly installed in a ring on the side of the arc-shaped water supply pipe 74 near the fixed disc 4. The drain pipe 76 is fixedly installed on both sides of the bottom of the inner wall of the tabletop 1. The bottom of the drain pipe 76 runs through the tabletop 1 and is fixedly installed with the water tank 72. The lifting mechanism 8 includes an electric push rod 81, a rectangular groove 82 and a horizontal plate 83. The electric push rod 81 is fixedly installed with the water tank 72. The rectangular groove 82 is opened on the inner wall of the fixed upright plate 3 and installed on both sides of the top of the tabletop 1. The horizontal plate 83 is slidably installed on the inner wall of the fixed upright plate 3 through the opening of the rectangular groove 82. The bottom of the horizontal plate 83 is fixedly installed with the output end of the electric push rod 81. The grinding mechanism 9 includes a fixed long plate 91, a motor 92 and a grinding disc 93. The fixed long plate 91 is fixedly installed on the top of the horizontal plate 83. The top of the fixed long plate 91 is fixedly installed with the motor 92. The bottom of the fixed long plate 91 is rotatably installed with the grinding disc 93. The top of the grinding disc 93 is fixedly installed with the output end of the motor 92. The surface of the positioning column 53 is coated with a wear-resistant coating.
[0028] As shown in Figures 1 to 7, the spring 51 allows the positioning post 53 to slide freely up and down, enabling the grinding disc 93 to contact the gasket. The push block 52, in conjunction with the positioning post 53, allows for the replacement of the positioning post 53 according to the size of different gaskets. The positioning post 53 also secures the gasket. The protruding positioning post 53 makes it easier for the user to place the gasket and prevents it from shaking or shifting. The annular filter 61 filters out impurities from the water, making it easier for the user to clean debris and effectively preventing debris from entering the water tank 72. The sealing ring 62 provides a seal for the annular filter 61, preventing water leakage and debris from flowing downwards. The U-shaped bracket 71, water tank 72, and water pipe 73 work together to supply water to the arc-shaped water pipe 74 and nozzle 75. It can cool the gasket. The combination of the arc-shaped water pipe 74 and the nozzle 75 can evenly spray the cooling liquid onto the gasket to remove the high temperature generated during grinding. The drain pipe 76 can recycle the water flow to reduce water waste. The combination of the electric push rod 81, the rectangular groove 82 and the horizontal plate 83 can adjust the height of the grinding mechanism 9 so that it can maintain a certain height when not in use, while ensuring normal contact between the grinding mechanism 9 and the gasket. The combination of the fixed long plate 91, the motor 92 and the grinding disc 93 can grind the gasket, making the gasket surface smoother and more precise. At the same time, it can grind multiple gaskets at the same time, improving the production speed. The application of wear-resistant coating can prevent the positioning column 53 from severe wear during long-term use, ensuring the long service life of the positioning column 53 and improving the practicality of the equipment.
[0029] Working principle: During operation, the tabletop 1 is first placed on a flat surface. Then, the user places stainless steel shims on the surface of the positioning post 53, fixing the shims in place. The motor 92 is then started to drive the grinding disc 93 to rotate. Simultaneously, the water pump inside the water tank 72 is activated, supplying the cooling liquid inside the tank 72 through the water pipe 73 to the arc-shaped water pipe 74. Several sets of nozzles 75 then spray cooling water onto the surface of the fixed disc 4 through the arc-shaped water pipe 74. At this point, the electric push rod 81 is activated to retract, allowing the horizontal plate 83 to descend. As the horizontal plate 83 descends, the fixed long plate 91 moves synchronously. As the fixed long plate 91 descends, the grinding disc 93 first contacts the positioning post 53, then presses down on the positioning post 53 to compress the spring 51 until the grinding disc... The grinding disc 93 can be flush with the stainless steel pad until it can grind multiple stainless steel sheets simultaneously. Since the inner wall of the stainless steel sheet is located on the surface of the positioning post 53, the stainless steel sheet cannot move or shake during grinding. During the grinding process, the coolant sprayed by the nozzle 75 will continuously carry away the heat generated by the grinding disc 93 during grinding, and even the debris can be carried away at the same time. Since the liquid is flowing, the coolant sprayed by the nozzle 75 will come into contact with the pad near the center of the fixed disc 4 by splashing. At the same time, the ring design can make the coolant adhere more comprehensively. Water containing debris will flow through the surface of the fixed disc 4 to the inner wall of the table 1. When the water flows through the ring filter 61, it will filter out the debris in the water. Then the filtered water will flow back into the water tank 72 through the drain pipe 76.
[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A stainless steel shim grinding fixture, comprising a table (1); characterized in that: The bottom of the tabletop (1) is fixedly equipped with a support leg (2), the top of the tabletop (1) is fixedly equipped with a fixed upright plate (3), the bottom of the inner wall of the tabletop (1) is fixedly equipped with a fixed disc (4), the top of the fixed disc (4) is provided with a positioning mechanism (5), and the inner wall of the tabletop (1) is provided with a filter assembly (6); the positioning mechanism (5) includes a spring (51), a push block (52) and a positioning column (53), the spring (51) is provided in several groups, and the several groups of springs (51) are provided with a positioning column (53). 1) The spring (51) is fixedly installed at the bottom of the inner wall of the top of the fixed disc (4), the top of the spring (51) is fixedly installed with the push block (52), and the top of the push block (52) is threadedly installed with the positioning post (53); the filter assembly (6) includes an annular filter screen (61) and a sealing ring (62), the annular filter screen (61) is movably installed on the surface of the fixed disc (4), the bottom of the annular filter screen (61) is fixedly installed with the sealing ring (62), and the annular filter screen (61) is movably installed with the table (1).
2. The stainless steel gasket grinding fixture according to claim 1, characterized in that: The bottom of the tabletop (1) is provided with a cooling mechanism (7), and the top of the tabletop (1) is provided with a lifting mechanism (8).
3. The stainless steel gasket grinding fixture according to claim 2, characterized in that: A polishing mechanism (9) is provided on the top of the tabletop (1).
4. The stainless steel gasket grinding fixture according to claim 3, characterized in that: The cooling mechanism (7) includes a U-shaped bracket (71), a water tank (72), a water supply pipe (73), an arc-shaped water supply pipe (74), a nozzle (75), and a drain pipe (76). The U-shaped bracket (71) is fixedly installed at the bottom of the tabletop (1). The top of the inner wall of the U-shaped bracket (71) is fixedly installed with the water tank (72). The two sides of the top of the water tank (72) are fixedly installed with the water supply pipe (73). The water supply pipe (73) passes through the tabletop (1). The top of the water supply pipe (73) is fixedly installed on one side of the top of the water supply pipe (74). The nozzle (75) is provided in several groups. The several groups of nozzles (75) are fixedly installed in a ring on one side of the arc water supply pipe (74) near the fixed disc (4). The drain pipe (76) is fixedly installed on both sides of the bottom of the inner wall of the table (1). The bottom of the drain pipe (76) passes through the table (1) and is fixedly installed with the water tank (72).
5. The stainless steel gasket grinding fixture according to claim 4, characterized in that: The lifting mechanism (8) includes an electric push rod (81), a rectangular groove (82), and a horizontal plate (83). The electric push rod (81) is fixedly installed on both sides of the top of the tabletop (1). The rectangular groove (82) is opened on the inner wall of the fixed upright plate (3). The horizontal plate (83) is slidably installed on the inner wall of the fixed upright plate (3) through the opening of the rectangular groove (82). The bottom of the horizontal plate (83) is fixedly installed with the output end of the electric push rod (81).
6. The stainless steel gasket grinding fixture according to claim 5, characterized in that: The grinding mechanism (9) includes a fixed long plate (91), a motor (92) and a grinding disc (93). The fixed long plate (91) is fixedly installed on the top of the horizontal plate (83). The top of the fixed long plate (91) is fixedly installed with the motor (92). The bottom of the fixed long plate (91) is rotatably installed with the grinding disc (93). The top of the grinding disc (93) is fixedly installed with the output end of the motor (92).
7. A stainless steel gasket grinding fixture according to claim 6, characterized in that: The surface of the positioning post (53) is coated with a wear-resistant coating.