Rapid clamping tool for machining inner curved surface of spherical end socket

Abstract

The rapid clamping tool comprises a pedestal, the top face of the pedestal is provided with a semispherical groove for containing the spherical end socket, the top face of the pedestal is further provided with an annular part flush with a groove opening of the semispherical groove, and the annular part is provided with a plurality of vertical locking assemblies at equal intervals in the annular direction; the fixing block is used for vertically abutting against and fixing the spherical end socket; the plurality of elastic leveling assemblies are arranged at the bottom of the hemispherical groove; the multiple inclined strut assemblies are arranged along the groove wall of the hemispherical groove in the circumferential direction at equal intervals and used for obliquely abutting against and fixing the spherical end socket. After the spherical end socket is placed in the hemispherical groove, the bottom of the spherical end socket is ensured to be in good contact through the elastic leveling assembly; by adjusting the vertical locking assembly, locking of the spherical end socket is achieved, and it is ensured that the spherical end socket cannot deviate in the machining process. The inclined strut assembly provides additional support, and better stability is provided in the machining process. The problems that a spherical end socket is inconvenient to clamp and fix, and the quality of the spherical end socket is reduced due to product shaking in the machining process are solved.

Description

Technical Field

[0001] The present application relates to the technical field of rapid positioning fixtures for machining spherical heads using numerically controlled machine tools, and in particular to a rapid clamping fixture for machining the inner curved surface of a spherical head. Background Art

[0002] At present, there are two main manufacturing processes for spherical heads. One is stamping using a concave and convex mold, and the other is integral processing using a CNC machine tool.

[0003] The existing CNC machine tools for processing spherical heads mainly rely on chuck jaws for positioning and clamping. The mechanical processing of the inner curved surface of large spherical heads faces clamping difficulties. Conventional processes use welding tooling plates to achieve product clamping. The entire process is time-consuming and labor-intensive. When clamping the spherical head, the chuck jaws often cannot apply clamping force evenly, especially on the inner curved surface. The uneven distribution of clamping force will not only cause deformation of the workpiece. On the one hand, for larger spherical heads, the tooling in the existing technology and manual labor are difficult to clamp and fix. On the other hand, the product wall thickness is relatively thin. If the tool is subjected to uneven force during processing, it is easy to cause vibration, thereby reducing the product processing quality. Summary of the invention

[0004] The embodiment of the present application provides a quick clamping tool for processing the inner curved surface of a spherical head, so as to solve the problem in the related art that the spherical head is inconvenient to clamp and fix, and the product is easily shaken during the processing to reduce its quality.

[0005] In the first aspect, a quick clamping tool for processing the inner curved surface of a spherical head is provided, which includes a pedestal, a top surface of which is provided with a hemispherical groove for accommodating the spherical head, and the top surface of the pedestal is also provided with an annular portion flush with the notch of the hemispherical groove, a plurality of vertical locking assemblies are circumferentially evenly spaced along the annular portion for vertically supporting and fixing the spherical head; a plurality of elastic leveling assemblies are provided at the bottom of the hemispherical groove; and a plurality of diagonal support assemblies are circumferentially evenly spaced along the groove wall of the hemispherical groove for obliquely supporting and fixing the spherical head.

[0006] In some embodiments, the pedestal is a cylindrical pedestal, and the interior of the cylindrical pedestal is a hollow structure; the side wall of the cylindrical pedestal is provided with multiple first operating ports, and the bottom surface is provided with multiple second operating ports; the groove wall of the hemispherical groove is evenly spaced with fourth operating ports that are connected to the first operating ports and the second operating ports.

[0007] In some embodiments, a third operating opening penetrating the cylindrical seat is provided at the bottom of the hemispherical groove; a plurality of elastic leveling components are located around the third operating opening and are evenly spaced in the annular direction.

[0008] In some embodiments, the elastic leveling assembly includes an upper base, a lower base and a first bolt, and the upper base and the lower base are both provided with a plurality of first through holes; the base is provided with a plurality of first mounting grooves connected to the bottom of the hemispherical groove, the lower base is fixed to the bottom of the first mounting groove by means of locking bolts passing through the first through holes, and the upper base is fixed to the notch of the first mounting groove by means of locking bolts passing through the first through holes; the upper base is provided with a second through hole for the first bolt to pass through, the nut of the first bolt is abutted against the bottom of the upper base, and the nut and the lower base are connected by a spring.

[0009] Some embodiments further include a washer and a second bolt, the washer is provided with a supporting groove, the bottom of the supporting groove is provided with a through hole passing through the washer; the end of the first bolt away from its nut is provided with a threaded hole; the second bolt passes through the through hole and is turned into the threaded hole, and its top is abutted against the supporting groove to fix the washer to the end of the first bolt away from its nut.

[0010] In some embodiments, multiple diagonal brace assemblies are divided into two groups, and the two groups of diagonal brace assemblies are respectively arranged at equal intervals along the groove wall of the hemispherical groove, and the distribution positions of the two groups of diagonal brace assemblies respectively form two distribution circles; the radius of the distribution circle formed by the first group of diagonal brace assemblies is greater than the radius of the distribution circle formed by the second group of diagonal brace assemblies.

[0011] In some embodiments, a second mounting groove is provided on the groove wall of the hemispherical groove and located at two distribution circles; the diagonal support assembly includes a first screw and a floating nut; the first screw is fixed to the second mounting groove, and one end of the first screw located outside the second mounting groove is connected to a supporting block by providing an extension rod; the floating nut is hollowed out, and one end is provided with an opening to sleeve the supporting block, the floating nut is set to idle, and the opening is supported on one end of the supporting block close to the first screw.

[0012] In some embodiments, the vertical locking assembly includes a base plate and a supporting assembly; a plurality of locking member mounting grooves are circumferentially evenly spaced along the annular portion, a plurality of third through holes are provided on the base plate, and the base plate is fixed to the locking member mounting grooves by locking bolts passing through the third through holes; the supporting assembly is fixedly connected to the base plate and supports the spherical head.

[0013] In some embodiments, the supporting assembly includes a pressure plate, a second screw, a fixing nut and an adjusting nut; a transverse adjusting groove vertically penetrating the pressure plate is provided on the pressure plate, a fixing hole is provided on the bottom plate, the second screw passes through the fixing hole and the transverse adjusting groove, the fixing nut is rotated from the bottom end of the second screw to support the bottom surface of the bottom plate, and the pressure plate is lifted and lowered along the length direction of the second screw; the adjusting nut is rotated from the top end of the second screw to support the transverse adjusting groove, and the bottom of the pressure plate supports the spherical head.

[0014] In some embodiments, the pressing plate is further provided with a guide hole penetrating the pressing plate, a third bolt is provided on the guide hole, and a nut of the third bolt is abutted against the top surface of the bottom plate.

[0015] The beneficial effects of the technical solution provided by this application include:

[0016] The embodiment of the present application provides a quick clamping tool for processing the inner curved surface of a spherical head, wherein a pedestal is used as the main structure of the tool, and a space is provided on the pedestal that matches the spherical head and is required for processing and fixing the spherical head. A hemispherical groove is provided on the top surface, which is specially designed to accommodate the spherical head. The shape of the groove can conform to the inner curved surface of the spherical head; the design of the annular portion is provided for the installation of the vertical locking assembly, and the spherical head is tightly fixed by vertical support to prevent it from shaking or loosening during the processing. The elastic leveling assembly is arranged at the bottom of the hemispherical groove to compensate for the slight unevenness of the spherical head, ensuring that the spherical head can accurately contact the bottom of the groove during the clamping process, thereby improving the processing accuracy. The diagonal support assembly is evenly arranged along the groove wall of the hemispherical groove, obliquely supports the spherical head, and provides additional side support for the spherical head to enhance stability, especially when performing fine processing, which can significantly reduce the displacement of the head caused by uneven processing force. The whole tooling process: After the spherical head is placed in the hemispherical groove, the elastic leveling component is first used to ensure that its bottom is in good contact. Then, the spherical head is locked by adjusting the vertical locking component to ensure that it will not move or deviate during the processing. The diagonal brace component provides additional support to further enhance the fixing effect and provide better stability during processing. This solves the problem in related technologies that the spherical head is inconvenient to clamp and fix, and the product is prone to shaking during processing, which reduces its quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A schematic diagram of a cylindrical pedestal structure provided in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of a pedestal provided in an embodiment of the present application for clamping and fixing a spherical head;

[0020] Figure 3 A schematic diagram of the structure of a vertical locking assembly provided in an embodiment of the present application;

[0021] Figure 4 A schematic diagram of the base plate structure provided in an embodiment of the present application;

[0022] Figure 5 A schematic diagram of the pressure plate structure provided in an embodiment of the present application;

[0023] Figure 6 A schematic diagram of the first screw structure provided in an embodiment of the present application;

[0024] Figure 7 A schematic diagram of the structure of the diagonal brace assembly provided in an embodiment of the present application;

[0025] Figure 8 A schematic diagram of the structure of the elastic leveling assembly provided in an embodiment of the present application;

[0026] Fig. 9 A schematic diagram of the cross-sectional structure of an elastic leveling component provided in an embodiment of the present application;

[0027] Fig.10 A schematic diagram of the lower base structure provided in an embodiment of the present application;

[0028] Fig.11 A schematic diagram of the upper base structure provided in an embodiment of the present application.

[0029] In the figure: 1. hemispherical groove; 2. pedestal; 21. annular portion; 22. first operating port; 23. second operating port; 24. fourth operating port; 25. third operating port; 3. vertical locking assembly; 31. bottom plate; 311. fixing hole; 32. third through hole; 33. pressure plate; 331. transverse adjustment groove; 332. guide hole; 34. second screw rod; 35. adjustment nut; 36. third bolt; 4. elastic leveling assembly; 41. upper base; 42. lower base; 43. first bolt; 44. first through hole; 45. second through hole; 46. spring; 5. diagonal brace assembly; 51. first screw rod; 52. floating nut; 53. extension rod; 54. supporting block; 6. washer; 7. second bolt; 8. locking bolt. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0031] The embodiment of the present application provides a quick clamping tool for processing the inner curved surface of a spherical head, which can solve the problem in the related art that the spherical head is inconvenient to clamp and fix, and the product is easily shaken during the processing to reduce its quality.

[0032] Since the existing CNC machine tools for processing spherical heads mainly rely on chuck claws for positioning and clamping, the mechanical processing of the inner curved surface of large spherical heads faces clamping difficulties. The conventional process uses welding tooling plates to achieve product clamping. The whole process is time-consuming and labor-intensive, and because the product wall thickness is relatively thin, if the tool is subjected to uneven force during processing, it is easy to cause vibration, thereby reducing the product processing quality; then a tool that can adapt to quick clamping is designed. First, a main structure of a tool is designed, on which a groove that fits the spherical head and is required for the processing and fixing of the spherical head is provided, and the shape can conform to the inner curved surface of the spherical head; secondly, a component with a corresponding unique structure is arranged in the groove, which can, on the one hand, assist in the leveling and placement of the bottom of the spherical head, and on the other hand, can fix the spherical head horizontally and vertically to prevent it from shaking during processing, thereby solving the problem in the related technology that the spherical head is inconvenient to clamp and fix, and the product is easily shaken during processing to reduce its quality.

[0033] refer to Figure 1-11 ,in Figure 1 It is a schematic diagram of the cylindrical pedestal structure provided in an embodiment of the present application; a quick clamping tool for processing the inner curved surface of a spherical head, which includes a pedestal 2, a top surface of which is provided with a hemispherical groove 1 for accommodating the spherical head, and the top surface of the pedestal 2 is also provided with an annular portion 21 flush with the notch of the hemispherical groove 1, and a plurality of vertical locking components 3 are circumferentially evenly spaced on the annular portion 21 for vertically supporting and fixing the spherical head; a plurality of elastic leveling components 4 are provided at the bottom of the hemispherical groove 1; a plurality of diagonal support components 5 are circumferentially evenly spaced along the groove wall of the hemispherical groove 1 for obliquely supporting and fixing the spherical head.

[0034] Through this structural setting, the pedestal 2 is used as the main structure of the tooling, and is provided with a space that matches the spherical head and is required for the processing and fixing of the spherical head. A hemispherical groove 1 is provided on the top surface, which is specially designed to accommodate the spherical head. The shape of the hemispherical groove 1 can conform to the inner curved surface of the spherical head; the design of the annular portion 21 is provided for the installation of the vertical locking component 3, and the spherical head is tightly fixed by vertical support to prevent it from shaking or loosening during the processing. The elastic leveling component 4 is arranged at the bottom of the hemispherical groove 1 to compensate for the slight unevenness of the spherical head, ensuring that the spherical head can accurately contact the bottom of the groove during the clamping process, thereby improving the processing accuracy. The diagonal support component 5 is evenly arranged along the groove wall of the hemispherical groove 1, obliquely supporting the spherical head, and providing additional lateral support for the spherical head to enhance stability, especially when performing fine processing, which can significantly reduce the displacement of the head caused by uneven processing force. The whole tooling process: After the spherical head is placed in the hemispherical groove 1, the elastic leveling component 4 is first used to ensure that its bottom is in good contact. Then, the vertical locking component 3 is adjusted to achieve vertical locking of the spherical head to ensure that it will not move or deviate during the processing. The diagonal brace component 5 provides additional support to further enhance the fixing effect and provide better stability during processing. This solves the problem in the related art that the spherical head is inconvenient to clamp and fix, and the product is easily shaken during processing to reduce its quality.

[0035] In some preferred embodiments, the pedestal 2 is a cylindrical pedestal, and the interior of the cylindrical pedestal is a hollow structure; the side wall of the cylindrical pedestal is provided with a plurality of first operating ports 22, and the bottom surface is provided with a plurality of second operating ports 23; the groove wall of the hemispherical groove 1 is evenly spaced with fourth operating ports 24 connected to the first operating ports 22 and the second operating ports 23.

[0036] In this embodiment, through this structural design, a cylindrical pedestal is selected as the basic structure of the tooling, which is one of the embodiments. It should be noted that the pedestal 2 can also be of other shapes, and the top surface is provided with a groove for the spherical head to fit; the interior of the cylindrical pedestal is designed to be hollow. This design is to facilitate subsequent other tooling or manual processing of the spherical head as required after it is clamped and fixed, and also reduces the overall weight. Some other components can also be placed inside, such as cylinders, hydraulic systems, or piping systems for cooling. The operability of the tooling is increased by the internal hollowing design. Multiple first operating ports 22 are evenly distributed on the side walls of the cylindrical pedestal, and such a layout facilitates workers to operate from different angles during processing and maintenance. Multiple second operating ports 23 are provided on the bottom surface, which is also to improve operational flexibility. The fourth operating port 24 connected to the first operating port 22 and the second operating port 23 is evenly spaced on the groove wall of the hemispherical groove 1, which is convenient for workers to adjust, monitor and maintain during processing. By introducing a cylindrical base, internal hollowing design and multiple operating ports, this quick clamping tooling for spherical head inner surface processing not only improves the operating efficiency and flexibility of the equipment, but also provides higher precision during the processing.

[0037] In some preferred embodiments, a third operating opening 25 penetrating the cylindrical seat is provided at the bottom of the hemispherical groove 1; a plurality of elastic leveling components 4 are located around the third operating opening 25 and are evenly spaced in the circumferential direction.

[0038] Through this structural design, the third operating port 25 is arranged at the bottom of the hemispherical groove 1 and passes through the cylindrical pedestal. This design allows the workpiece to contact or connect with the workbench below through the operating port during processing, thereby providing better support and operability. Multiple elastic leveling components 4 are evenly distributed around the third operating port 25 and are arranged at equal intervals along the circumferential direction. This design ensures that pressure can be effectively dispersed and stability can be improved during installation and adjustment. These elastic leveling components 4 can absorb shock and vibration, enhance the anti-interference ability of the tooling, and help maintain high precision during processing. When the spherical head is clamped and fixed, the elastic leveling component 4 can be fine-tuned according to the weight and position of the workpiece to ensure that the workpiece remains level. This design can be widely used in industries that require high-precision curved surface processing; by setting the third operating port 25 at the bottom of the hemispherical groove 1 and the elastic leveling components 4 arranged at equal intervals, the entire spherical head inner curved surface processing quick clamping tooling has been significantly improved in stability, efficiency and flexibility.

[0039] In some preferred embodiments, the elastic leveling assembly 4 includes an upper base 41, a lower base 42 and a first bolt 43, and the upper base 41 and the lower base 42 are both provided with a plurality of first through holes 44; the pedestal 2 is provided with a plurality of first mounting grooves connected to the bottom of the hemispherical groove 1, the lower base 42 is fixed to the bottom of the first mounting groove by a locking bolt 8 passing through the first through hole 44, and the upper base 41 is fixed to the notch of the first mounting groove by a locking bolt 8 passing through the first through hole 44; the upper base 41 is provided with a second through hole 45 for the first bolt 43 to pass through, the nut of the first bolt 43 is abutted against the bottom of the upper base 41, and the nut and the lower base 42 are connected by a spring 46.

[0040] In this embodiment, through this structural design, the lower base 42 can be fixed to the bottom of the first mounting groove on the pedestal 2 by means of the locking bolt 8, while the upper base 41 is fixed to the notch of the first mounting groove on the pedestal 2 by means of the locking bolt 8, and both are achieved by the locking bolt 8 passing through the first through-hole 44; further, a second through-hole 45 is provided in the middle of the upper base 41, and the first bolt 43 can pass through the second through-hole 45. It should be noted that the nut of the first bolt 43 is located below the upper base 41, so that the first bolt 43 can be supported on the upper base 41, and further, the nut is connected to one end of the spring 46, and the other end of the spring 46 is connected to the lower base 42, and the end of the first bolt 43 away from the nut is leaked out of the first mounting groove, thereby forming a complete elastic leveling component 4; in the implementation process, when the spherical head is placed, its bottom contacts and supports the first bolt 43, and the first bolt 43 squeezes the spring after receiving downward pressure, resulting in a certain deformation, thereby leveling the bottom of the spherical head accordingly. Through reasonable structural layout and flexible design, the tooling can adapt to various working conditions during the processing and ensure good bottom contact.

[0041] In some preferred embodiments, a washer 6 and a second bolt 7 are further included. The washer 6 is provided with a supporting groove, and a through hole penetrating the washer 6 is provided at the bottom of the supporting groove; a threaded hole is provided at one end of the first bolt 43 away from its nut; the second bolt 7 passes through the through hole and is screwed into the threaded hole, and its top is abutted against the supporting groove to fix the washer 6 to the end of the first bolt 43 away from its nut.

[0042] In this embodiment, through this structural design, the washer 6 is provided with a supporting groove, which is used to provide a stable pressing surface when the washer 6 is fixed. The through hole passes through the washer 6, which is convenient for the installation of the second bolt 7, and ensures that the connection between the first bolt 43 and the washer 6 is reliable. The second bolt 7 passes through the through hole of the washer 6 and is turned into the threaded hole on the end of the first bolt 43 away from the nut. The top of the second bolt 7 is against the supporting groove of the washer 6, so that the washer 6 always remains stable under the force, thereby enhancing the tightness of the overall structure. That is, on the basis of the first bolt 43 contacting with the bottom of the spherical head, a washer 6 is added at the end of the first bolt 43 away from its nut to replace the direct contact of the first bolt 43, which can provide stronger wear resistance and corrosion resistance. In the new design scheme, the integration of the washer 6 and the second bolt 7 improves the adjustment ability and stability of the elastic leveling component 4, so that it has higher adaptability in the quick clamping tooling for the inner curved surface processing of the spherical head.

[0043] In some preferred embodiments, multiple diagonal brace assemblies 5 are divided into two groups, and the two groups of diagonal brace assemblies 5 are respectively arranged at equal intervals along the groove wall of the hemispherical groove 1, and the distribution positions of the two groups of diagonal brace assemblies 5 respectively form two distribution circles; the radius of the distribution circle formed by the first group of diagonal brace assemblies 5 is greater than the radius of the distribution circle formed by the second group of diagonal brace assemblies 5.

[0044] In this embodiment, through this structural design, multiple groups of diagonal brace assemblies 5 are designed to improve the overall support and stability. The diagonal brace assemblies 5 are divided into two groups, which are respectively located at different positions of the groove wall of the hemispherical groove 1. That is, the annular areas in the middle and upper middle parts of the hemispherical groove 1 are respectively defined as the first mounting part and the second mounting part, and the two groups of diagonal brace assemblies 5 are respectively arranged at the first mounting part and the second mounting part, that is, the circular area; on the one hand, such a design is to facilitate the initial positioning and rotation of the spherical head during the process below the spherical head, which is more labor-saving; on the other hand, in order to prevent the spherical head from shaking or loosening during the processing, especially during fine processing, it can significantly reduce the displacement of the head caused by uneven processing force. By dividing multiple diagonal brace assemblies 5 into two groups, respectively arranged at the first mounting part and the second mounting part, the hemispherical groove 1 is strengthened to exert better bearing capacity and adjustment ability during use.

[0045] In some preferred embodiments, a second mounting groove is provided on the groove wall of the hemispherical groove 1 and located at two distribution circles; the diagonal brace assembly 5 includes a first screw rod 51 and a floating nut 52; the first screw rod 51 is fixed to the second mounting groove, and one end of the first screw rod 51 located outside the second mounting groove is connected to a supporting block 54 by providing an extension rod 53; the floating nut 52 is hollowed out, and one end is provided with an opening to sleeve the supporting block 54, the floating nut 52 is set to idle, and the opening is supported on one end of the supporting block 54 close to the first screw rod 51.

[0046] In this embodiment, through this structural setting, the first mounting part and the second mounting part are both provided with a second mounting groove to facilitate the installation and adjustment of the diagonal brace assembly 5. This design provides greater flexibility, allowing the diagonal brace assembly 5 to be adjusted in position within a certain range, so as to better adapt to different working conditions. The first screw 51 is fixed in the second mounting groove, and the floating nut 52 is hollowed out and provided with an opening so that it can be sleeved on the abutment block 54 to improve flexibility. The design of the floating nut 52 enables it to rotate freely during the force, reduce friction and wear, extend the service life, and also reduce the force required to adjust the spherical head; the first screw 51 is located at one end outside the second mounting groove, and is connected to the abutment block 54 through the extension rod 53. In this way, the abutment block 54 can be flexibly adjusted and abut against the side wall of the spherical head; the cooperation between the abutment block 54 and the floating nut 52 enables the floating nut 52 to receive the support of the abutment block 54 when abutting the spherical head, effectively transmitting and dispersing the force. During the assembly and adjustment process, the operator can adjust the relative positions of the first screw 51 and the floating nut 52 in the second mounting groove according to processing requirements to accurately adjust the support angle and height of the diagonal brace assembly 5, thereby enhancing the flexibility and load-bearing capacity of the structure.

[0047] In some preferred embodiments, the vertical locking assembly 3 includes a base plate 31 and a supporting assembly; a plurality of locking member mounting grooves are circumferentially evenly spaced on the annular portion 21, a plurality of third through holes 32 are provided on the base plate 31, and the base plate 31 is fixed to the locking member mounting grooves by locking bolts 8 passing through the third through holes; the supporting assembly is fixedly connected to the base plate 31 and supports the spherical head.

[0048] In this embodiment, through this structural setting, a plurality of third through holes 32 are provided on the bottom plate 31, and these through holes are used for inserting the locking bolts 8 to ensure that the bottom plate can be firmly fixed in the locking member installation groove. The abutting component is fixed to the bottom plate 31 through a mechanical connection. The main function of this component is to abut the spherical head to ensure its stable position during operation. The locking bolts 8 are responsible for fixing the bottom plate 31 to the locking member installation groove through the third through holes 32 to ensure the tightness of the structure and prevent loosening due to vibration or other external forces.

[0049] In some preferred embodiments, the supporting assembly includes a pressure plate 33, a second screw rod 34, a fixing nut and an adjusting nut 35; the pressure plate 33 is provided with a transverse adjusting groove 331 which vertically penetrates the pressure plate 33, the bottom plate 31 is provided with a fixing hole 311, the second screw rod 34 penetrates the fixing hole 311 and the transverse adjusting groove 331, the fixing nut is rotated from the bottom end of the second screw rod 34 to be supported on the bottom surface of the bottom plate 31, and the pressure plate 33 is lifted and lowered along the length direction of the second screw rod 34; the adjusting nut 35 is rotated from the top end of the second screw rod 34 to be supported on the transverse adjusting groove 331, and the bottom of the pressure plate 33 is supported on the spherical head.

[0050] Through this structural design, the pressure plate 33 is the core part of the abutment assembly, and a transverse adjustment groove 331 is provided on the pressure plate 33, which extends along the length direction of the pressure plate 33. This design allows the pressure plate 33 to move in the transverse and longitudinal directions, which helps to adjust the contact pressure and position with the spherical head as needed. The second screw 34 is a key component connected by the pressure plate 33 and the base plate 31, one end of which passes through the fixing hole 311 and moves through the transverse adjustment groove 331. The pressure plate 33 can be freely raised and lowered along the length direction of the second screw 34. The fixing nut is located at the bottom end of the second screw 34, contacts the bottom surface of the base plate 31, and plays a role in fixing the second screw 34; the adjusting nut 35 is arranged at the top of the second screw 34 and abuts against the transverse adjustment groove 331. The lifting and lowering adjustment is achieved by rotating the adjusting nut 35 to meet the needs under different working conditions. The design of the abutment assembly improves its adjustability.

[0051] In some preferred embodiments, the pressing plate 33 is further provided with a guide hole 332 penetrating the pressing plate 33 , and a third bolt 36 is provided on the guide hole 332 , and a nut of the third bolt 36 is abutted against the top surface of the bottom plate 31 .

[0052] Through this structural design, the guide hole 332 is a hole that passes through the pressure plate 33, and is intended to provide additional guidance and support. Its position design can ensure that the pressure plate 33 is more stable during adjustment and is not prone to lateral displacement or tilt. The third bolt 36 passes through the guide hole 332, and its nut is against the top surface of the bottom plate 31. This design ensures that the third bolt 36 can maintain the positioning of the pressure plate 33 during operation while providing the necessary support force. The third bolt 36 can be fine-tuned when necessary, so as to flexibly maintain the optimal contact state between the pressure plate and the spherical head.

[0053] The beneficial effects brought by the invention include:

[0054] The pedestal 2 serves as the main structure of the tooling, and is provided with a space that fits the spherical head and is required for the processing and fixing of the spherical head. A hemispherical groove 1 is provided on the top surface, which is specially designed to accommodate the spherical head. The shape of the hemispherical groove 1 can conform to the inner curved surface of the spherical head; the design of the annular portion 21 allows the installation of the vertical locking assembly 3, which can firmly fix the spherical head by vertically supporting it to prevent it from shaking or loosening during processing. The elastic leveling assembly 4 is arranged at the bottom of the hemispherical groove 1 to compensate for the slight unevenness of the spherical head, ensuring that the spherical head can accurately contact the bottom of the groove during the clamping process, thereby improving the processing accuracy. The diagonal support assembly 5 is evenly arranged along the groove wall of the hemispherical groove 1, obliquely supporting the spherical head, and providing additional lateral support for the spherical head to enhance stability, especially when performing fine processing, which can significantly reduce the displacement of the head caused by uneven processing force. The whole tooling process: After the spherical head is placed in the hemispherical groove 1, the elastic leveling component 4 is first used to ensure that its bottom is in good contact. Then, the vertical locking component 3 is adjusted to achieve vertical locking of the spherical head to ensure that it will not move or deviate during the processing. The diagonal brace component 5 provides additional support to further enhance the fixing effect and provide better stability during processing. This solves the problem in the related art that the spherical head is inconvenient to clamp and fix, and the product is easily shaken during processing to reduce its quality.

[0055] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application 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 therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0056] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0057] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A quick clamping tool for processing the inner curved surface of a spherical head, characterized in that: It includes: A pedestal (2), the top surface of which is provided with a hemispherical groove (1) for accommodating a spherical head, and the top surface of the pedestal (2) is also provided with an annular portion (21) that is flush with the notch of the hemispherical groove (1), and a plurality of vertical locking assemblies (3) are provided on the annular portion (21) at equal intervals along the annular direction for vertically holding and fixing the spherical head; A plurality of elastic leveling components (4) arranged at the bottom of the hemispherical groove (1); A plurality of diagonal support assemblies (5) are arranged at equal intervals along the groove wall of the hemispherical groove (1) in the circumferential direction, so as to be used for obliquely supporting and fixing the spherical head.

2. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 1, characterized in that: The pedestal (2) is a cylindrical pedestal, and the interior of the cylindrical pedestal is a hollow structure; The side wall of the cylindrical pedestal is provided with a plurality of first operating openings (22), and the bottom surface is provided with a plurality of second operating openings (23); Fourth operating ports (24) communicating with the first operating port (22) and the second operating port (23) are arranged at equal intervals on the groove wall of the hemispherical groove (1).

3. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 2, characterized in that: The bottom of the hemispherical groove (1) is provided with a third operating opening (25) penetrating the cylindrical seat; The plurality of elastic leveling components (4) are located on the peripheral side of the third operating port (25) and are distributed at equal intervals along the annular direction.

4. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 1, characterized in that: The elastic leveling assembly (4) comprises an upper base (41), a lower base (42) and a first bolt (43); the upper base (41) and the lower base (42) are both provided with a plurality of first through holes (44); The pedestal (2) is provided with a plurality of first mounting grooves connected to the groove bottom of the hemispherical groove (1); the lower base (42) is fixed to the groove bottom of the first mounting groove by means of a locking bolt (8) passing through the first through hole (44); and the upper base (41) is fixed to the notch of the first mounting groove by means of the locking bolt (8) passing through the first through hole (44); The upper base (41) is provided with a second through hole (45) for the first bolt (43) to pass through, the nut of the first bolt (43) is abutted against the bottom of the upper base (41), and the nut is connected to the lower base (42) via a spring (46).

5. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 4, characterized in that: It also includes a washer (6) and a second bolt (7), wherein the washer (6) is provided with a supporting groove, and the bottom of the supporting groove is provided with a through hole penetrating the washer (6); A threaded hole is provided at one end of the first bolt (43) away from its nut; The second bolt (7) passes through the through hole and is screwed into the threaded hole, and its top abuts against the abutting groove to fix the washer (6) to the end of the first bolt (43) away from its nut.

6. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 1, characterized in that: The plurality of diagonal brace assemblies (5) are divided into two groups, and the two groups of diagonal brace assemblies (5) are respectively arranged at equal intervals along the groove wall of the hemispherical groove (1) in the circumferential direction, and the distribution positions of the two groups of diagonal brace assemblies (5) respectively form two distribution circles; The radius of the distribution circle formed by the first group of the diagonal brace assemblies (5) is greater than the radius of the distribution circle formed by the second group of the diagonal brace assemblies (5).

7. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 6, characterized in that: A second mounting groove is provided on the groove wall of the hemispherical groove (1) and located at the two distribution circles; The diagonal brace assembly (5) comprises a first screw rod (51) and a floating nut (52); The first screw rod (51) is fixed to the second installation groove, and one end of the first screw rod (51) located outside the second installation groove is connected to a supporting block (54) by means of an extension rod (53); The floating nut (52) is hollowed out inside, and one end is provided with an opening to sleeve the supporting block (54). The floating nut (52) is arranged to rotate idly, and the opening is supported by one end of the supporting block (54) close to the first screw rod (51).

8. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 1, characterized in that: The vertical locking assembly (3) comprises a bottom plate (31) and a supporting assembly; The annular portion (21) is provided with a plurality of locking member installation grooves at equal intervals in the annular direction, the bottom plate (31) is provided with a plurality of third through holes (32), and the bottom plate (31) is fixed to the locking member installation grooves by means of locking bolts (8) passing through the third through holes; The abutting assembly is fixedly connected to the bottom plate (31) and abuts against the spherical sealing head.

9. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 8, characterized in that: The abutting assembly comprises a pressing plate (33), a second screw rod (34), a fixing nut and an adjusting nut (35); The pressing plate (33) is provided with a transverse adjustment groove (331) which vertically penetrates the pressing plate (33); the bottom plate (31) is provided with a fixing hole (311); the second screw rod (34) penetrates the fixing hole (311) and the transverse adjustment groove (331); the fixing nut is rotated from the bottom end of the second screw rod (34) to abut against the bottom surface of the bottom plate (31); and the pressing plate (33) is lifted and lowered along the length direction of the second screw rod (34); The adjusting nut (35) is rotated from the top end of the second screw rod (34) into the transverse adjusting groove (331), and the bottom of the pressing plate (33) is pressed against the spherical head.

10. The quick clamping tool for processing the inner curved surface of a spherical head according to claim 9, characterized in that: The pressing plate (33) is also provided with a guide hole (332) penetrating the pressing plate (33), and a third bolt (36) is provided on the guide hole (332), and the nut of the third bolt (36) is abutted against the top surface of the bottom plate (31).

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