Special-shaped product grinding clamp
By designing grinding fixtures for special-shaped products and using structures such as clamping columns and inclined mounting seats, the problem of inconsistent angles in grinding is solved, and the processing accuracy and sealing are improved.
Patent Information
- Application Number
- CN202421645831.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-12
AI Technical Summary
During grinding and processing of existing special-shaped products, the fixtures cannot fully match their size, resulting in inconsistent angles between the special-shaped workpieces and mating parts, affecting the processing accuracy and sealing.
Design a grinding fixture for special-shaped products, including clamping columns, mounting seats, screw holes, limit slots, pin holes and processing components. The clamping columns are fixed by three-jaw chucks, and the inclined mounting seats and positioning pin holes are used to achieve precise positioning and fixing of special-shaped workpieces to ensure the consistent angles of the workpiece and the fitting parts after processing.
The angles of special-shaped workpieces and mating parts are exactly the same after processing, and the machining accuracy and sealing properties are improved.
Smart Images

Figure CN223160729U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machining tooling fixtures, in particular to a grinding fixture for special-shaped products. Background Art
[0002] A fixture refers to a device used to fix a machining object during the mechanical manufacturing process, so that it occupies the correct position to receive construction or inspection, also known as a jig. Generally speaking, any device used to quickly, conveniently and safely install a workpiece in any process of the technological process can be called a fixture. In actual machining, a special-shaped product needs a fixture to clamp it during grinding, but the supporting seat used in combination with it cannot be fully matched with its size. To solve the above problems, a grinding fixture for special-shaped products is proposed. Content of the Utility Model
[0003] According to the above existing technical problems, the utility model provides a grinding fixture for special-shaped products, which is characterized by including a clamping column, a mounting seat, a first screw hole, a second screw hole, a limiting groove, a cylindrical pin hole, a diamond pin hole, a positioning pin hole, and a machining component. The mounting seat is arranged at the front end of the clamping column. The front surface of the mounting seat has an inclination angle. The center of the front surface of the mounting seat is provided with a limiting groove. The front surface of the mounting seat is provided with a first screw hole. The front surface of the mounting seat is provided with a second screw hole. The front surface of the mounting seat is provided with a cylindrical pin hole, and the cylindrical pin hole is located at the lower right of the limiting groove. The front surface of the mounting seat is provided with a diamond pin hole, and the diamond pin hole is located at the upper left of the limiting groove. The diamond pin hole and the cylindrical pin hole are centrosymmetric about the center of the mounting seat. The front surface of the mounting seat is provided with a positioning pin hole, and the positioning pin hole is located directly below the limiting groove. The machining component is arranged at the front end of the mounting seat;
[0004] Further, there are four first screw holes, two of which are located above the limiting groove and the other two are located below the limiting groove. There are four second screw holes, and the four second screw holes are evenly distributed with the center of the mounting seat as the center of the circle;
[0005] Further, the machining component includes a special-shaped workpiece, a first screw, a first cylindrical pin, and a diamond pin. The first screw is arranged at the bottom of the special-shaped workpiece. The first cylindrical pin is arranged below the special-shaped workpiece. The diamond pin is arranged below the special-shaped workpiece. There are four first screws, and the four first screws correspond to the positions of the four first screw holes. The first cylindrical pin corresponds to the cylindrical pin hole in position. The diamond pin corresponds to the diamond pin hole in position;
[0006] The processing component includes a support base, a second screw, a third screw hole, a positioning pin, a second cylindrical pin hole, a pressing plate, a second cylindrical pin, and a third screw. There is a protrusion on the lower surface of the support base. The second screw is arranged on the lower surface of the support base. The positioning pin is arranged on the lower surface of the support base. The third screw hole is arranged on the upper surface of the support base. The second cylindrical pin hole is arranged on the upper surface of the support base. The pressing plate is arranged above the support base. The second cylindrical pin is arranged on the lower surface of the pressing plate. There is an opening in the middle of the pressing plate. The third screw is arranged above the pressing plate;
[0007] Furthermore, the protrusion on the lower surface of the support base is coupled with the limiting groove. There are four second screws, and the four second screws correspond to the positions of four second screw holes. The positioning pin corresponds to the positioning pin hole. The second cylindrical pin corresponds to the second cylindrical pin hole. The cross-section of the pressing plate is trapezoidal. The third screw passes through the opening in the middle of the pressing plate and extends into the third screw hole.
[0008] The beneficial effects of the present utility model:
[0009] In the present utility model, the cylindrical clamping column is fixed to the machine tool through a three-jaw chuck, and the mounting base is fixed to the machine tool. At this time, the clamping column is kept horizontal, one side of the mounting base is vertical, and the other side is inclined downward. The processed special-shaped workpiece and the fitting are used in combination. Since the fixture tooling is not replaced, the angles of the special-shaped workpiece and the fitting are exactly the same. When used in combination, it is more accurate and has better sealing performance. Description of the Drawings
[0010] Figure 1 It is a schematic diagram of the overall structure of a special-shaped product grinding fixture of the present utility model;
[0011] Figure 2 It is a schematic diagram of the structure of Embodiment 2 of a special-shaped product grinding fixture of the present utility model;
[0012] Figure 3 It is a schematic diagram of the structure of the processing component of Embodiment 2 of a special-shaped product grinding fixture of the present utility model;
[0013] Figure 4 It is a schematic diagram of the structure of another perspective of Embodiment 2 of a special-shaped product grinding fixture of the present utility model;
[0014] Figure 5 It is a schematic diagram of the structure of Embodiment 3 of a special-shaped product grinding fixture of the present utility model;
[0015] Figure 6 It is a schematic diagram of the structure of the processing component of Embodiment 3 of a special-shaped product grinding fixture of the present utility model;
[0016] Figure 7Another perspective structural schematic diagram of the processing component of Embodiment 3 of a grinding fixture for special-shaped products of the present utility model;
[0017] As shown in the figure: 1 clamping column, 2 mounting seat, 3 first screw hole, 4 second screw hole, 5 limiting groove, 6 cylindrical pin hole, 7 diamond pin hole, 8 positioning pin hole, 9 processing component, 911 special-shaped workpiece, 912 first screw, 913 first cylindrical pin, 914 diamond pin, 921 support seat, 922 second screw, 923 third screw hole, 924 positioning pin, 925 second cylindrical pin hole, 926 pressing plate, 927 second cylindrical pin, 928 third screw. Detailed implementation manners
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0021] Embodiment 1
[0022] The utility model provides a grinding fixture for special-shaped products, which is characterized by comprising a clamping column 1, a mounting seat 2, a first screw hole 3, a second screw hole 4, a limiting groove 5, a cylindrical pin hole 6, a diamond pin hole 7, a positioning pin hole 8, and a processing component 9. The front end of the clamping column 1 is provided with the mounting seat 2. The front surface of the mounting seat 2 has an inclination angle. The center of the front surface of the mounting seat 2 is provided with the limiting groove 5. The front surface of the mounting seat 2 is provided with the first screw hole 3. The front surface of the mounting seat 2 is provided with the second screw hole 4. The front surface of the mounting seat 2 is provided with the cylindrical pin hole 6. The cylindrical pin hole is located at the lower right of the limiting groove 5. The front surface of the mounting seat 2 is provided with the diamond pin hole 7. The diamond pin hole 7 is located at the upper left of the limiting groove 5. The diamond pin hole 7 and the cylindrical pin hole 6 are centrosymmetric about the center of the mounting seat 2. The front surface of the mounting seat 2 is provided with the positioning pin hole 8. The positioning pin hole 8 is located directly below the limiting groove 5. The front end of the mounting seat 2 is provided with the processing component 9;
[0023] Furthermore, there are four first screw holes 3, two of which are located above the limiting groove 5, and the other two are located below the limiting groove 5. There are four second screw holes 4, and the four second screw holes 4 are evenly distributed with the center of the mounting seat 2 as the center of the circle;
[0024] Furthermore, the processing component 9 includes a special-shaped workpiece 911, a first screw 912, a first cylindrical pin 913, and a diamond pin 914. The bottom of the special-shaped workpiece 911 is provided with the first screw 912. The first cylindrical pin 913 is arranged below the special-shaped workpiece 911. The diamond pin 914 is arranged below the special-shaped workpiece 911. There are four first screws 912, and the four first screws 912 correspond to the positions of the four first screw holes 3. The first cylindrical pin 913 corresponds to the position of the cylindrical pin hole 6. The diamond pin 914 corresponds to the position of the diamond pin hole 7;
[0025] The processing component 9 includes a support seat 921, a second screw 922, a third screw hole 923, a positioning pin 924, a second cylindrical pin hole 925, a pressing plate 926, a second cylindrical pin 927, and a third screw 928. The lower surface of the support seat 921 has a protrusion. The lower surface of the support seat 921 is provided with the second screw 922. The lower surface of the support seat 921 is provided with the positioning pin 924. The upper surface of the support seat 921 is provided with the third screw hole 923. The upper surface of the support seat 921 is provided with the second cylindrical pin hole 925. The pressing plate 926 is arranged above the support seat 921. The lower surface of the pressing plate 926 is provided with the second cylindrical pin 927. The middle of the pressing plate 926 has an opening. The third screw 928 is arranged above the pressing plate 926;
[0026] Furthermore, the protrusion on the lower surface of the support seat 921 is coupled with the limiting groove 5. There are four second screws 922, and the four second screws 922 correspond to the positions of the four second screw holes 4. The positioning pin 924 corresponds to the position of the positioning pin hole 8. The second cylindrical pin 927 corresponds to the position of the second cylindrical pin hole 925. The cross section of the pressing plate 926 is trapezoidal. The third screw 928 passes through the opening in the middle of the pressing plate 926 and extends into the third screw hole 923.
[0027] Example 2
[0028] During use, first fix the cylindrical clamping column 1 to the machine tool through a three-jaw chuck, and fix the mounting seat 2 to the machine tool. At this time, the clamping column 1 remains horizontal, one side of the mounting seat 2 is vertical, and the other side is inclined downward;
[0029] Fix the special-shaped workpiece 911 by inserting four first screws 912 into the four first screw holes 3, and position it by inserting the diamond pin 914 and the first cylindrical pin 913 into the diamond pin hole 7 and the cylindrical pin hole 8, so as to fix the special-shaped workpiece 911. At this time, the special-shaped workpiece 911 is inclined along the surface of the inclined mounting seat 2, and the machining tool head of the machine tool processes the special-shaped workpiece. There is a specific angle inside the processed special-shaped workpiece 911;
[0030] Example 3
[0031] During use, first fix the cylindrical clamping column 1 to the machine tool through a three-jaw chuck, and fix the mounting seat 2 to the machine tool. At this time, the clamping column 1 remains horizontal, one side of the mounting seat 2 is vertical, and the other side is inclined downward;
[0032] Fix the support seat 921 by inserting four second screws 922 into the four second screw holes 4, position the support seat 921 by coupling the protrusion on the lower surface of the support seat 921 with the limit groove 5 and inserting the positioning pin 924 into the positioning pin hole 8. Press the mating part of the special-shaped workpiece 911 to be machined against the upper surface of the support seat 921 through the pressing plate 926, position it through the second cylindrical pin 927 and the second cylindrical pin hole 925, and then insert the third screw 928 through the opening in the middle of the pressing plate 926 into the third screw hole 923 for fixation. The machining tool head of the machine tool processes the mating part of the special-shaped workpiece, and there is a specific angle on the surface of the machined mating part;
[0033] Example 4
[0034] Use the processed special-shaped workpiece 911 and the mating part in the two examples together. Since the fixture and tooling are not replaced, the angles of the special-shaped workpiece 911 and the mating part are exactly the same. When used together, it is more accurate and has better sealing performance.
[0035] The above has shown and described the basic principles, main features and advantages of the present utility model. Each component mentioned in the present utility model is a common technology in the existing field. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. An irregular-shaped product grinding fixture, characterized in that, It includes a clamping column, and an installation seat is arranged at the front end of the clamping column. The front surface of the installation seat has an inclination angle. A limit groove is arranged at the center of the front surface of the installation seat. A first screw hole is arranged on the front surface of the installation seat. A second screw hole is arranged on the front surface of the installation seat. A cylindrical pin hole is arranged on the front surface of the installation seat. The cylindrical pin hole is located at the lower right of the limit groove. A diamond pin hole is arranged on the front surface of the installation seat. The diamond pin hole is located at the upper left of the limit groove. The diamond pin hole and the cylindrical pin hole are centrosymmetric about the center of the circle of the installation seat. A positioning pin hole is arranged on the front surface of the installation seat. The positioning pin hole is located directly below the limit groove. A processing component is arranged at the front end of the installation seat.
2. The special-shaped product grinding fixture according to claim 1, characterized in that, There are four first screw holes, two of which are located above the limit groove and the other two are located below the limit groove. There are four second screw holes, and the four second screw holes are evenly distributed with the center of the circle of the installation seat as the center.
3. The special-shaped product grinding fixture according to claim 2, wherein The processing component includes a special-shaped workpiece, a first screw, a first cylindrical pin, and a diamond pin. A first screw is arranged at the bottom of the special-shaped workpiece. A first cylindrical pin is arranged below the special-shaped workpiece. A diamond pin is arranged below the special-shaped workpiece. There are four first screws, and the four first screws correspond to the positions of the four first screw holes. The first cylindrical pin corresponds to the position of the cylindrical pin hole. The diamond pin corresponds to the position of the diamond pin hole.
4. The special-shaped product grinding fixture according to claim 2, characterized in that, The processing component includes a support seat, a second screw, a third screw hole, a positioning pin, a second cylindrical pin hole, a pressing plate, a second cylindrical pin, and a third screw. There is a protrusion on the lower surface of the support seat. A second screw is arranged on the lower surface of the support seat. A positioning pin is arranged on the lower surface of the support seat. A third screw hole is arranged on the upper surface of the support seat. A second cylindrical pin hole is arranged on the upper surface of the support seat. A pressing plate is arranged above the support seat. A second cylindrical pin is arranged on the lower surface of the pressing plate. There is an opening in the middle of the pressing plate. A third screw is arranged above the pressing plate.
5. The special-shaped product grinding fixture according to claim 4, wherein, The protrusion on the lower surface of the support seat is coupled with the limit groove. There are four second screws, and the four second screws correspond to the positions of the four second screw holes. The positioning pin corresponds to the position of the positioning pin hole. The second cylindrical pin corresponds to the position of the second cylindrical pin hole. The cross-section of the pressing plate is trapezoidal. The third screw passes through the opening in the middle of the pressing plate and extends into the third screw hole.