CNC four-axis machining clamping jig

Abstract

The application discloses a CNC four-axis machining clamping jig, which comprises a base, a four-axis body, an adapter disc, a carrier plate and a compression ring, the output end surface of the four-axis body is uniformly provided with a plurality of T-shaped grooves in the circumferential direction, T-shaped inserts with screw holes are respectively embedded in the T-shaped grooves, a plurality of installation through holes corresponding to the T-shaped inserts are formed in the edge of the carrier plate, a through hole is formed in the side surface of the four-axis body, a stepped groove is formed in the side of the through hole in contact with the adapter disc in the circumferential direction, the side of the adapter disc connected with the four-axis body is provided with a protrusion corresponding to the stepped groove of the four-axis body, a through hole is formed in the center of the adapter disc, a stepped groove is formed in the side of the through hole in contact with the carrier plate in the circumferential direction, and the side of the carrier plate connected with the adapter disc is provided with a protrusion corresponding to the stepped groove of the adapter disc. The application guarantees the stability of the positioning of the compression ring on a workpiece, realizes the side surface contact between the compression ring and the carrier plate and the contact surface being the whole circumference, and guarantees the stability of the connection between the compression ring and the carrier plate and the machining effect.

Description

Technical Field

[0001] This invention relates to a CNC four-axis machining clamping fixture, and relates to the field of mechanical precision machining technology. Background Technology

[0002] A fixture is a tool used to assist in controlling position or motion. Fixtures can improve productivity, repeat specific actions, or make work more precise and enable mass production. However, different products require different CNC fixtures, so further processing design is needed based on the product.

[0003] Existing CNC machine tools have drawbacks when machining single workpieces, including complex processing technology, poor workpiece positioning accuracy, poor machining accuracy, limited product variety, and high labor intensity. They cannot fully utilize the automation advantages of CNC machine tools, and for certain special single workpieces, the aforementioned processing problems may also lead to a high defect rate. Summary of the Invention

[0004] The purpose of this invention is to provide a CNC four-axis machining clamping fixture. This CNC four-axis machining clamping fixture ensures the stability of the pressure ring's positioning of the workpiece, and also achieves lateral contact between the pressure ring and the carrier plate, with the contact surface covering the entire circumference. This ensures the stability of the connection between the pressure ring and the carrier plate, thereby guaranteeing the machining effect.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a CNC four-axis machining clamping fixture, comprising a base, a four-axis body, an adapter plate, a carrier plate and a pressure ring, wherein the lower surface of the four-axis body is connected to the base, an output end is provided on the side of the four-axis body, the adapter plate is fixedly connected to the output end of the four-axis body, the carrier plate is fixedly connected to the adapter plate, and a workpiece is contacted and connected to the carrier plate through the pressure ring;

[0006] The top surface of the carrier plate has a circular boss in the center, and the edge of the circular boss is provided with several pins. The edge of the workpiece has pin holes for the pins to be inserted. The pressure ring is provided with several mounting holes corresponding to the edge of the carrier plate. The bottom surface of the pressure ring has an inner groove along the inner circumference. The bottom surface of the inner groove is in contact with the surface of the workpiece, and the side surface of the inner groove is in contact with the side surface of the circular boss of the carrier plate. The top surface of the pressure ring has an outer groove along the outer circumference, and the outer side surface of the pressure ring has several clearance grooves.

[0007] The output end surface of the quadcopter body has several T-shaped grooves evenly distributed around its circumference. Each of these T-shaped grooves contains a T-shaped insert with a screw hole. The edge of the carrier plate has several mounting through holes corresponding to the T-shaped inserts. The side of the quadcopter body has a through hole. The side of this through hole that contacts the adapter plate has a stepped groove distributed around its circumference. The side of the adapter plate that connects to the quadcopter body has a protrusion corresponding to the stepped groove of the quadcopter body. The center of the adapter plate has a through hole. The side of this through hole that contacts the carrier plate has a stepped groove distributed around its circumference. The side of the carrier plate that connects to the adapter plate has a protrusion corresponding to the stepped groove of the adapter plate.

[0008] The base has two opposite side surfaces with inwardly formed grooves. The inner wall of the groove has a continuous protrusion. A T-shaped slider is slidably disposed in the grooves on both sides of the base. The lower surface of the quadcopter body has connecting holes on both sides corresponding to the grooves of the base. A screw is fixed on the upper surface of the T-shaped slider. The screw passes through the connecting hole and is fixed to the base through a nut. The base also has several strip-shaped through holes perpendicular to the direction of the grooves. A washer is also fitted on the screw. The washer is located between the nut and the upper surface of the base.

[0009] The following are further improvements to the above technical solution:

[0010] 1. In the above scheme, the mounting through hole is a stepped hole with threads on the inner wall.

[0011] 2. In the above scheme, the protrusion of the adapter plate is embedded in the stepped groove of the four-axis body and fixedly connected to the four-axis body by a number of screws.

[0012] 3. In the above scheme, the protrusion of the carrier plate is embedded in the stepped groove of the adapter plate and fixedly connected to the adapter plate by a number of screws.

[0013] 4. In the above scheme, the number of the plurality of pins is 2 and they are centrally symmetrical about the center of the circular boss.

[0014] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0015] 1. This invention relates to a CNC four-axis machining clamping fixture, wherein the top surface of the carrier plate has a circular boss at its center, and the edge of this circular boss is provided with several pins. The edge of the workpiece has pin holes for the pins to be inserted. The arrangement of the pins and pin holes provides a calibration and positioning mechanism between the workpiece and the carrier plate, ensuring the positioning accuracy between the workpiece and the carrier plate, thereby ensuring the machining accuracy of the workpiece. Secondly, the clamping ring is provided with several mounting holes corresponding to the edge of the carrier plate. The bottom surface of the clamping ring has an inner groove along its inner circumference. The bottom surface of this inner groove contacts the surface of the workpiece, and the side surface of the inner groove contacts the side surface of the circular boss of the carrier plate. The groove provides a circumferential pressing surface for the workpiece, ensuring the contact area between the pressure ring and the workpiece, guaranteeing the stability of the pressure ring's positioning of the workpiece, and also achieving lateral contact between the pressure ring and the carrier plate. Since the contact surface is the entire circumference, this ensures the stability of the connection between the pressure ring and the carrier plate, further guaranteeing the accuracy and stability of the workpiece positioning between the pressure ring and the carrier plate, and ensuring the processing effect. Furthermore, the top surface of the pressure ring has an outer circumference groove, and the outer side of the pressure ring has several clearance grooves. The outer circumference groove and clearance grooves facilitate the placement and removal of the pressure ring and the installation of the studs used to fix the pressure ring.

[0016] 2. The CNC four-axis machining clamping fixture of the present invention has several T-shaped grooves evenly distributed circumferentially on the output end surface of the four-axis body. T-shaped inserts with screw holes are embedded in each of these T-shaped grooves. Several mounting through holes corresponding to the T-shaped inserts are formed on the edge of the carrier plate. The T-shaped grooves and T-shaped blocks are flexible and easy to disassemble, providing excellent versatility. The mounting through holes on the carrier plate allow for direct connection between the carrier plate and the surrounding body, enabling the removal of the central adapter plate for direct use when needed, thus enhancing the flexibility and versatility of the equipment. Furthermore, the mounting through holes are stepped holes with threads on the inner wall. The stepped threaded through holes provide multi-faceted support and gripping force for the screw, improving the stability of the connection between the screw and the mounting through holes.

[0017] 3. The present invention relates to a CNC four-axis machining fixture, wherein the base has two opposite side surfaces with inwardly formed grooves, the inner wall of which has continuous protrusions in the middle. A T-shaped slider is slidably disposed in the grooves on both sides of the base. The lower surface of the four-axis body has connecting holes on both sides corresponding to the grooves of the base. A screw is fixed on the upper surface of the T-shaped slider, which passes through the connecting holes and is fixed to the base through a nut. The base also has several strip-shaped through holes perpendicular to the direction of the grooves. The arrangement of the T-shaped slider and the grooves allows the connection position between the four-axis body and the base to be adjusted in the Y direction, and the arrangement of the strip-shaped through holes on the base allows the connection position between the base and the machine tool to be adjusted in the X direction. Thus, the four sides of the body are adjustable in the X and Y directions, making it suitable for machining parts of different sizes, with good versatility and flexibility. Furthermore, a washer is also fitted on the screw, which is located between the nut and the upper surface of the base. The washer increases the contact area between the nut and the upper surface of the base, making the nut fixation more stable and ensuring system stability. Attached Figure Description

[0018] Appendix Figure 1 This is a schematic diagram of the CNC four-axis machining clamping fixture structure of the present invention;

[0019] Appendix Figure 2 This is an exploded view of the CNC four-axis machining clamping fixture of the present invention;

[0020] Appendix Figure 3 This is a partial structural diagram of the CNC four-axis machining clamping fixture of the present invention;

[0021] Appendix Figure 4 This is a partially exploded view of the CNC four-axis machining clamping fixture of the present invention;

[0022] Appendix Figure 5 This is a partial structural diagram of the four-axis body of the CNC clamping fixture of the present invention.

[0023] In the attached diagrams: 1. Base; 101. Groove; 102. Protrusion; 103. Strip-shaped through hole; 2. Four-axis body; 201. Output end; 202. T-slot; 203. T-shaped insert; 204. Connecting hole; 3. Adapter plate; 4. Carrier plate; 401. Circular boss; 402. Pin; 404. Mounting through hole; 5. Pressure ring; 502. Inner ring groove; 503. Outer ring groove; 504. Alternating groove; 6. Workpiece; 601. Pin hole; 7. Mounting hole; 8. T-shaped slider; 9. Screw; 10. Nut; 11. Washer. Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0025] Example 1: A CNC four-axis machining clamping fixture includes a base 1, a four-axis body 2, an adapter plate 3, a carrier plate 4, and a pressure ring 5. The lower surface of the four-axis body 2 is connected to the base 1, and an output end 201 is provided on the side of the four-axis body 2. The adapter plate 3 is fixedly connected to the output end 201 of the four-axis body 2, and the carrier plate 4 is fixedly connected to the adapter plate 3. A workpiece 6 is in contact with the carrier plate 4 through the pressure ring 5.

[0026] The top surface of the carrier plate 4 has a circular boss 401 at the center. The edge of the circular boss 401 is provided with a number of pins 402. The edge of the workpiece 6 has pin holes 601 for the pins 402 to be inserted. The pressure ring 5 is provided with a number of mounting holes 7 corresponding to the edge of the carrier plate 4. The bottom surface of the pressure ring 5 has an inner groove 502 along the inner circumference. The bottom surface of the inner groove 502 is in contact with the surface of the workpiece 6. The side surface of the inner groove 502 is in contact with the side surface of the circular boss 401 of the carrier plate 4. The top surface of the pressure ring 5 has an outer groove 503 along the outer circumference. The outer side surface of the pressure ring 5 has a number of clearance grooves 504.

[0027] The output end 201 of the quadcopter body 2 has several T-shaped grooves 202 evenly opened in the circumferential direction. T-shaped inserts 203 with screw holes are embedded in these T-shaped grooves 202 respectively. The edge of the carrier plate 4 has several mounting through holes 404 corresponding to the T-shaped inserts 203.

[0028] The base 1 has two opposite side surfaces with inwardly formed grooves 101. The inner wall of the groove 101 has continuous protrusions 102 in the middle. A T-shaped slider 8 is slidably disposed in the grooves 101 on both sides of the base 1. The lower surface of the quadcopter body 2 has connecting holes 204 on both sides corresponding to the grooves 101 of the base 1. A screw 9 is fixed on the upper surface of the T-shaped slider 8. The screw 9 passes through the connecting holes 204 and is fixed to the base 1 through the nuts 10. The base 1 also has several strip-shaped through holes 103 perpendicular to the direction of the grooves 101. A washer 11 is also fitted on the screw 9. The washer 11 is located between the nuts 10 and the upper surface of the base 1.

[0029] The aforementioned mounting through hole 404 is a stepped hole with threads on the inner wall; the aforementioned quadcopter body 2 has a through hole on its side, and a stepped groove is formed circumferentially on the side of the through hole that contacts the adapter plate 3. The side of the adapter plate 3 that connects to the quadcopter body 2 has a protrusion that corresponds to the stepped groove of the quadcopter body 2. The protrusion of the adapter plate 3 is embedded in the stepped groove of the quadcopter body 2 and is fixedly connected to the quadcopter body 2 by several screws.

[0030] Example 2: A CNC four-axis machining clamping fixture includes a base 1, a four-axis body 2, an adapter plate 3, a carrier plate 4, and a pressure ring 5. The lower surface of the four-axis body 2 is connected to the base 1, and an output end 201 is provided on the side of the four-axis body 2. The adapter plate 3 is fixedly connected to the output end 201 of the four-axis body 2, and the carrier plate 4 is fixedly connected to the adapter plate 3. A workpiece 6 is in contact with the carrier plate 4 through the pressure ring 5.

[0031] The top surface of the carrier plate 4 has a circular boss 401 at the center. The edge of the circular boss 401 is provided with a number of pins 402. The edge of the workpiece 6 has pin holes 601 for the pins 402 to be inserted. The pressure ring 5 is provided with a number of mounting holes 7 corresponding to the edge of the carrier plate 4. The bottom surface of the pressure ring 5 has an inner groove 502 along the inner circumference. The bottom surface of the inner groove 502 is in contact with the surface of the workpiece 6. The side surface of the inner groove 502 is in contact with the side surface of the circular boss 401 of the carrier plate 4. The top surface of the pressure ring 5 has an outer groove 503 along the outer circumference. The outer side surface of the pressure ring 5 has a number of clearance grooves 504.

[0032] The output end 201 of the quadcopter body 2 has several T-shaped grooves 202 evenly opened in the circumferential direction. T-shaped inserts 203 with screw holes are embedded in these T-shaped grooves 202 respectively. The edge of the carrier plate 4 has several mounting through holes 404 corresponding to the T-shaped inserts 203.

[0033] The base 1 has two opposite side surfaces with inwardly formed grooves 101. The inner wall of the groove 101 has continuous protrusions 102 in the middle. A T-shaped slider 8 is slidably disposed in the grooves 101 on both sides of the base 1. The lower surface of the quadcopter body 2 has connecting holes 204 on both sides corresponding to the grooves 101 of the base 1. A screw 9 is fixed on the upper surface of the T-shaped slider 8. The screw 9 passes through the connecting holes 204 and is fixed to the base 1 through the nuts 10. The base 1 also has several strip-shaped through holes 103 perpendicular to the direction of the grooves 101. A washer 11 is also fitted on the screw 9. The washer 11 is located between the nuts 10 and the upper surface of the base 1.

[0034] The adapter plate 3 has a through hole in the center. A stepped groove is formed on the side of the through hole that contacts the carrier plate 4. The side of the carrier plate 4 that connects to the adapter plate 3 has a protrusion that corresponds to the stepped groove of the adapter plate 3. The protrusion of the carrier plate 4 is embedded in the stepped groove of the adapter plate 3 and is fixedly connected to the adapter plate 3 by a number of screws. There are two pins 402 and they are centrally symmetrical about the center of the circular boss 401.

[0035] When using a CNC four-axis machining fixture, the pins and pin holes provide a calibration and positioning mechanism between the workpiece and the carrier plate, ensuring the positioning accuracy between the workpiece and the carrier plate, thereby guaranteeing the machining accuracy of the workpiece. Secondly, the inner ring groove provides a circumferential pressing surface for the workpiece, ensuring the contact area between the pressure ring and the workpiece, guaranteeing the stability of the pressure ring's positioning of the workpiece, and also achieving lateral contact between the pressure ring and the carrier plate, with the contact surface covering the entire circumference, thus ensuring the stability of the connection between the pressure ring and the carrier plate, further guaranteeing the accuracy and stability of the workpiece positioning between the pressure ring and the carrier plate, and ensuring the machining effect. Thirdly, the outer ring groove and clearance groove of the pressure ring facilitate the removal and placement of the pressure ring and the installation of the studs used to fix the pressure ring. Finally, the T-slot and T-block design allows for flexible and convenient disassembly, providing excellent throughput. The device's versatility is enhanced by several design features. First, the mounting holes on the carrier plate allow for direct connection between the carrier plate and the surrounding body. The central adapter plate can be removed for immediate use when needed, increasing the device's flexibility and versatility. Second, the stepped threaded holes provide multi-faceted support and gripping force for the screw, improving the stability of the connection between the screw and the mounting holes. Third, the T-shaped slider and groove design allow for adjustment of the connection position between the four-axis body and the base in the Y direction, while the strip-shaped through-holes on the base allow for adjustment of the connection position between the base and the machine tool in the X direction. This enables adjustment of the surrounding body in both the X and Y directions, facilitating the processing of parts of different sizes and providing excellent versatility and flexibility. Finally, the shims increase the contact area between the nut and the upper surface of the base, making the nut's fixation more stable and ensuring system stability.

[0036] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A CNC four-axis machining clamping jig, characterized by: The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); 2. The CNC four-axis machining clamping jig according to claim 1, characterized in that: The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); 3. The CNC four-axis machining clamping jig according to claim 1, characterized in that: The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom (1) is connected with the lower surface of four -axis body (2), four -axis body (2) side is provided with output end (201), the output end (201) of four -axis body (2) is fixedly connected with adapter disc (3), and the adapter disc (3) is fixedly connected with carrier plate (4), and a workpiece (6) is contacted and is connected with carrier plate (4) through compression ring (5); The utility model relates to a four -axis body (2) bottom 4. The CNC four-axis machining clamping jig according to claim 1, characterized in that: The convex of the carrier plate (4) is embedded in the stepped groove of the adapter disc (3) and is fixedly connected with the adapter disc (3) through screws.

5. The CNC four-axis machining clamping jig according to claim 1, characterized in that: The number of the plurality of pins (402) is two and is centrally symmetric about the center of the circular boss (401).

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