Precise forming machine for contour machining of diamond roller

Abstract

The utility model discloses a diamond roller contour machining precision forming machine which comprises a machine body, a guide rail is arranged in the middle of the machine body, a movable seat is connected to the middle of the guide rail in a sliding mode, a tool rest installation seat is arranged on the upper side face of the movable seat, a tool rest is arranged on the upper side face of the tool rest installation seat, and a clamping assembly is arranged on the left side of the machine body. The adjusting mechanism comprises a knife barrel, guide sliding columns, moving plates, a rotating frame and an adjusting assembly, the knife barrel is rotationally connected to the interior of a rotating hole formed in the rear end of the knife rest, the guide sliding columns which are evenly distributed are arranged between the front inner wall and the rear inner wall of the knife barrel, and the moving plates are slidably connected between the two transversely adjacent guide sliding columns correspondingly; according to the precision forming machine for contour machining of the diamond roller, through linkage structures such as the Y-shaped adjusting groove and the guide pin, precise positioning and fine adjustment of the cutting edge angle of a cutter can be rapidly achieved, and the shape precision of contour machining of the diamond roller is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of diamond roller processing technology, specifically a precision forming machine for diamond roller contour processing. Background Technology

[0002] In the field of superhard material processing, diamond rollers are widely used in the contour forming of precision parts due to their high hardness and wear resistance, such as the grinding and cutting of precision components like gears and bearings. As the manufacturing industry continues to increase its requirements for part precision and processing efficiency, it poses higher challenges to the automation level, adjustment accuracy and processing adaptability of diamond roller contour processing equipment.

[0003] The current common working process of diamond roller contour machining equipment is as follows: First, the operator manually selects the tool according to the processing requirements and fixes it on the fixed tool holder. The workpiece is clamped with a common chuck or manual fixture, and the concentricity and perpendicularity are manually adjusted. Then, the radial position and cutting edge angle of the tool are manually fine-tuned by rotating the adjusting screw and repeatedly measuring with measuring tools, relying on experience to judge whether the angle meets the standard. After starting the equipment for trial cutting, the machine needs to be stopped multiple times to adjust the tool position, angle or parameters according to the test results. After confirming that there are no errors, batch processing is carried out. During this period, it is also necessary to periodically check and compensate for tool wear errors. When changing tools or switching to different contour machining, the machine needs to be completely stopped, the tools reinstalled, the parameters adjusted and trial cut corrected. Existing equipment has obvious defects in tool adjustment: manual tool changing is time-consuming and laborious, and the adjustment accuracy of the tool radial position and cutting edge angle is insufficient, making it difficult to meet the processing requirements of complex contours. It cannot flexibly adapt to diverse processing scenarios, resulting in an inability to balance production efficiency and processing quality. To address this, we propose a precision forming machine for diamond roller contour machining. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a precision forming machine for diamond roller contour machining, which can realize the rapid adjustment of the cutting edge angle of the tool and effectively solve the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a precision forming machine for diamond roller contour processing, comprising a machine body, a guide rail in the middle of the machine body, a movable seat slidably connected in the middle of the guide rail, a tool holder mounting seat on the upper side of the movable seat, a tool holder on the upper side of the tool holder mounting seat, a clamping assembly on the left side of the machine body, and an adjustment mechanism.

[0006] Adjustment mechanism: It includes a tool barrel, guide slides, a moving plate, a rotating frame, and an adjustment component. The tool barrel is rotatably connected to the interior of a rotating hole at the rear end of the tool holder. Guide slides are evenly distributed between the front and rear inner walls of the tool barrel. The moving plate is slidably connected between two laterally adjacent guide slides. The rotating frame is rotatably connected to the opposite outer surfaces of the two moving plates. The rear end of the rotating frame is threaded with a cutting tool. The adjustment component is located at the upper end of the tool holder. The tool barrel and the moving plate are respectively configured to cooperate with the adjustment component. Through the linkage structure of Y-shaped adjustment groove and guide pin, the precise positioning and fine adjustment of the cutting edge angle of the cutting tool can be quickly achieved, significantly improving the shape accuracy of diamond roller contour machining.

[0007] Furthermore, a control switch group is provided on the front side of the machine body. The input end of the control switch group is electrically connected to an external power supply for stable control.

[0008] Furthermore, the adjustment mechanism also includes pins, semi-circular shells, sliding holes, and Y-shaped clearance grooves. The pins are fixedly connected to the rear ends of the two rotating frames facing away from each other. Y-shaped clearance grooves corresponding to the two pins are respectively opened on the upper and lower sides of the outer arc surface of the blade barrel. A circular clearance groove corresponding to the two pins is opened on the inner arc surface of the rotating hole at the rear end of the blade holder. Symmetrically distributed rotating grooves are opened on the rear side wall of the blade barrel. The semi-circular shells are rotatably connected to the inside of the rotating grooves. Sliding holes are opened on the rear ends of the outer arc surfaces of the semi-circular shells. The rear ends of the blades are slidably connected to the sliding holes to facilitate the angle change of the prop.

[0009] Furthermore, the adjustment assembly includes a Y-shaped adjustment groove, an adjustment frame, a connecting bolt, and a mating groove. The Y-shaped adjustment groove is located at the upper end of the tool holder, and the adjustment frame is located inside the Y-shaped adjustment groove. A mating groove is provided on the lower side of the adjustment frame, and the mating groove is configured to cooperate with the adjacent pin on the lower side. Threaded holes are provided on the opposite outer sides of the two pins. A connecting bolt is threadedly connected to the interior of the adjustment frame, and the lower end of the connecting bolt is threadedly connected to the adjacent threaded hole on the lower side for adjusting the position and angle of the tool.

[0010] Furthermore, the adjustment assembly also includes a tightening screw, a guide pin, and a Y-shaped guide groove. The tightening screw is threaded to the right end of the adjustment frame, and the lower end of the tightening screw contacts the upper side of the tool holder. The guide pin is located at the front end of the adjustment frame and is configured to cooperate with the Y-shaped guide groove opened at the rear end of the upper side of the tool holder for stable guidance and sliding support.

[0011] Furthermore, the adjustment mechanism also includes a motor, which is mounted on the front side of the tool holder. The output shaft of the motor is fixedly connected to the center of the rear end face of the tool barrel, and the input end of the motor is electrically connected to the output end of the control switch group for stable driving.

[0012] Furthermore, a lead screw is rotatably connected between the left and right inner walls of the front end of the machine body. The lead screw is threadedly connected to the lower front end of the moving seat. An electric motor is installed inside the left end of the machine body. The input end of the electric motor is electrically connected to the output end of the control switch group for stable driving.

[0013] Furthermore, the clamping assembly is an electric three-jaw chuck, which is located on the inner left side of the machine body. The input end of the electric three-jaw chuck is electrically connected to the output end of the control switch group to facilitate workpiece clamping.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This precision forming machine for diamond roller contour machining has the following advantages:

[0015] By setting up an adjustment mechanism, the cutting tools can be flexibly changed and the radial position and cutting edge angle of the cutting tools can be precisely adjusted to meet diverse contour machining needs. The tool barrel rotates to select the tool, and the multi-component linkage of the guide slide and Y-shaped adjustment groove ensures accurate positioning and convenient operation during tool adjustment, effectively improving the accuracy and efficiency of diamond roller contour machining. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is an enlarged structural schematic diagram of point A of this utility model;

[0018] Figure 3 This is a partial structural schematic diagram of the tool holder of this utility model;

[0019] Figure 4 This is a cross-sectional view of the tool holder of this utility model from the right side.

[0020] Figure 5 This is an enlarged structural schematic diagram of section B of this utility model;

[0021] Figure 6 This is a schematic diagram of the rear side of the blade barrel of this utility model;

[0022] Figure 7 This is a partial cross-sectional view of the blade barrel of this utility model.

[0023] Figure 8 This is a partial cross-sectional view of the left side of the fuselage of this utility model.

[0024] In the diagram: 1. Machine body, 2. Adjustment mechanism, 21. Tool barrel, 211. Rotary groove, 22. Guide slide column, 23. Moving plate, 24. Rotating frame, 25. Pin, 251. Threaded hole, 26. Semi-circular shell, 27. Sliding hole, 28. Y-shaped clearance groove, 29. Adjustment assembly, 291. Y-shaped adjustment groove, 292. Adjustment frame, 293. Connecting bolt, 294. Docking groove, 295. Tightening screw, 296. Guide pin, 297. Y-shaped guide groove, 3. Guide rail, 4. Moving seat, 5. Tool holder mounting seat, 6. Tool holder, 61. Circular clearance groove, 7. Electric three-jaw chuck, 8. Motor, 9. Control switch group, 10. Tool, 11. Lead screw, 12. Electric motor. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-8 This embodiment provides a technical solution: a precision forming machine for diamond roller contour machining, including a machine body 1. A control switch group 9 is provided on the front side of the machine body 1. The input end of the control switch group 9 is electrically connected to an external power source. A guide rail 3 is provided in the middle of the machine body 1. A movable seat 4 is slidably connected to the middle of the guide rail 3. A lead screw 11 is rotatably connected between the left and right inner walls of the front end of the machine body 1. The lead screw 11 is threadedly connected to the lower front end of the movable seat 4. (A bellows is provided between the left lower surface of the front end of the movable seat 4 and the left inner wall of the front end of the machine body 1, and between the right lower surface of the front end of the movable seat 4 and the right inner wall of the front end of the machine body 1. The lead screw 11 is located inside the bellows, which provide external protection for the lead screw 11. A guide rod is also provided between the left and right inner walls of the front end of the machine body 1. The guide rod is connected to the movable seat 4.) The guide hole on the lower front side of the seat 4 is slidably connected. The motor 12 is installed inside the left end of the machine body 1. The input end of the motor 12 is electrically connected to the output end of the control switch group 9. The upper side of the movable seat 4 is provided with a tool holder mounting seat 5 (the upper side of the movable seat 4 is provided with a dovetail protrusion, and the lower side of the tool holder mounting seat 5 is provided with a dovetail groove, which is slidably connected to the dovetail protrusion. The front end of the movable seat 4 is provided with a hydraulic cylinder, and the telescopic end of the hydraulic cylinder is fixedly connected to the front side of the movable seat 4). The upper side of the tool holder mounting seat 5 is provided with a tool holder 6. The left side of the machine body 1 is provided with a clamping assembly, which is an electric three-jaw chuck 7. The electric three-jaw chuck 7 is located on the inner left side of the machine body 1. The input end of the electric three-jaw chuck 7 is electrically connected to the output end of the control switch group 9. It also includes an adjustment mechanism 2.

[0027] Adjustment mechanism 2 includes a cutter barrel 21, guide slides 22, moving plates 23, rotating frames 24, and adjustment components 29. The cutter barrel 21 is rotatably connected to the interior of a rotating hole at the rear end of the cutter holder 6. The adjustment mechanism 2 also includes a motor 8, which is mounted on the front side of the cutter holder 6. The output shaft of the motor 8 is fixedly connected to the center of the rear end face of the cutter barrel 21. The input end of the motor 8 is electrically connected to the output end of the control switch group 9. Guide slides 22 are evenly distributed between the front and rear inner walls of the cutter barrel 21. Moving plates 23 are slidably connected between two laterally adjacent guide slides 22. Rotating frames 24 are rotatably connected to the opposite outer sides of the two moving plates 23 (the rotating frames 24 and the moving plates 23 are rotatably connected via rotating shafts). The rear ends of the rotating frames 24 are threaded together. The tool holder 6 is equipped with a cutting tool 10. An adjustment assembly 29 is located at the upper end of the tool holder 6. The tool barrel 21 and the moving plate 23 are respectively configured to cooperate with the adjustment assembly 29. The adjustment mechanism 2 also includes a pin 25, a semi-circular shell 26, a sliding hole 27, and a Y-shaped clearance groove 28. The pin 25 is fixedly connected to the rear ends of the two rotating frames 24 opposite to their outer sides. The upper and lower sides of the outer arc surface of the tool barrel 21 are respectively provided with Y-shaped clearance grooves 28 corresponding to the two pins 25. The inner arc surface of the rotating hole at the rear end of the tool holder 6 is provided with a circular clearance groove 61 corresponding to the two pins 25. The rear side wall of the tool barrel 21 is provided with symmetrically distributed rotating grooves 211. The semi-circular shells 26 are all rotatably connected to the inside of the rotating grooves 211. The rear end of the outer arc surface of the semi-circular shells 26 is provided with a sliding hole 27. The rear end of the cutting tool 10 is connected to the sliding hole 27. 7. Sliding connection. The adjusting assembly 29 includes a Y-shaped adjusting groove 291, an adjusting bracket 292, a connecting bolt 293, and a mating groove 294. The Y-shaped adjusting groove 291 is located at the upper end of the tool holder 6. The adjusting bracket 292 is located inside the Y-shaped adjusting groove 291. The mating groove 294 is provided on the lower side of the adjusting bracket 292. The mating groove 294 is configured to cooperate with the lower adjacent pin 25. Threaded holes 251 are provided on the opposite outer sides of the two pins 25. The adjusting bracket 292 is internally threaded with the connecting bolt 293. The lower end of the connecting bolt 293 is threadedly connected to the lower adjacent threaded hole 251. The adjusting assembly 29 also includes a tightening screw 295, a guide pin 296, and a Y-shaped guide groove 297. The tightening screw 295 is threadedly connected to the adjusting bracket 292. At the right end, the lower end of the tightening screw 295 contacts the upper side of the tool holder 6. The guide pin 296 is set at the front end of the adjusting frame 292. The guide pin 296 is matched with the Y-shaped guide groove 297 opened at the rear end of the upper side of the tool holder 6 (the upper side of the tool holder 6 is provided with a protective cover, and the upper end of the cover is rotatably connected to an adjusting door. The front right end of the adjusting door and the upper right end of the protective cover are both provided with insertion holes, and the insertion holes are filled with pins). First, operate the control switch group 9 to make the electric three-jaw chuck 7 hold the diamond roller securely. Then, select the tool 10 and the cutting edge angle through the adjustment mechanism 2: pull out the pin, rotate the adjusting door to expose the adjusting component 29, and start the motor 8 to drive the tool barrel 21 to rotate to select the tool (the pin shaft 25 is in the circular clearance groove 61 to ensure the stability of the rotating frame 24).After selecting the tool, insert the upper pin 25 into the mating groove 294 of the adjusting frame 292, fix the lower pin 25 with the connecting bolt 293, loosen the tightening screw 295, and push the adjusting frame 292 as needed (the middle rod moves in the straight groove of the front section of the Y-shaped adjusting groove 291, and the guide pin 296 enters the straight groove of the front section of the Y-shaped guide groove 297), which will drive the upper pin 25 to move in the horizontal section of the Y-shaped clearance groove 28. Adjust the radial position of the tool 10 by sliding the rotating frame 24 and the moving plate 23 along the guide slide column 22. After it is in place, tighten the tightening screw 295. When the cutting edge angle needs to be adjusted, loosen the tightening screw 295 again and push the adjusting frame 292 backward so that its rod enters the Y-shaped adjusting groove. The rear section of the arc-shaped groove 291, with guide pin 296 sliding to the rear section of the arc-shaped groove 297 of the Y-shaped guide groove, drives the upper pin 25 to swing along the arc in the rear section of the arc-shaped groove 28 of the Y-shaped clearance groove. The rotating frame 24 drives the tool 10 to swing (the semi-circular shell 26 rotates and engages within the rotating groove 211). After the angle gauge is observed to meet the standard, it is fixed. Finally, the electric three-jaw chuck 7 and the motor 12 are started, the workpiece rotates, the moving seat 4 feeds longitudinally (the hydraulic cylinder fine-tunes the tool holder 6), and the tool 10 completes the contour machining. Through multi-component linkage, the position and angle of the tool 10 are precisely adjusted. Combined with automated feeding and clamping, efficient and high-precision machining of the diamond roller contour is achieved, improving machining flexibility and stability.

[0028] The working principle of the precision forming machine for diamond roller contour machining provided by this utility model is as follows: First, the control switch group 9 is operated to make the electric three-jaw chuck 7 rotate and firmly clamp the diamond roller to be contoured. Then, according to the contour requirements, the tool 10 or the cutting edge angle of the tool 10 is selected by adjusting the mechanism 2. First, the pin is pulled out, and then the adjusting door is rotated so that the adjusting component 29 can be operated by the worker. At this time, according to the tool usage requirements, the worker operates the control switch group 9 to make the motor 8 rotate. The output shaft of the motor 8 drives the tool barrel 21 to rotate counterclockwise or clockwise. During the rotation of the tool barrel 21, the pin 25 is always located inside the circular clearance groove 61, thereby ensuring that the front and rear positions of the rotating frame 24 are not easily affected. During the offset process, the guide slide 22, the moving plate 23, the rotating frame 24, and the tool 10 threadedly connected to the rear end of the rotating frame 24 rotate with the rotation of the tool barrel 21. After selecting the required tool 10, the pin 25 located on the upper side rotates into the mating groove 294 at the lower end of the adjusting frame 292. Then, the connecting bolt 293 is rotated to make the connecting bolt 293 threadedly connected to the threaded hole 251 at the upper end of the adjacent pin 25 on the lower side. Then, the tightening screw 295 is loosened. According to the specific usage requirements, the adjusting frame 292 is pushed forward. When the adjusting frame 292 moves backward (the rod in the middle of the adjusting frame 292 moves in the straight groove at the front end of the Y-shaped adjusting groove 291), the guide pin 296 at the front end of the adjusting frame 292 gradually... Entering the straight groove at the front of the Y-shaped guide groove 297, the upper pin 25 connected by the connecting bolt 293 moves synchronously. At this time, the upper pin 25 moves backward inside the Y-shaped clearance groove 28, driving the tool 10 to move backward through the rotating frame 24 (when the rotating frame 24 moves backward, it drives the moving plate 23 to slide along the guide slide post 22). At this time, the tool 10 slides backward along the sliding hole 27 at the rear end of the semi-circular shell 26. After confirming that the radial position of the tool 10 is adjusted in place, use a wrench to tighten the tightening screw 295 clockwise, so that its lower end tightly presses against the upper side of the tool holder 6, fixing the position of the adjusting frame 292 by friction, and preventing displacement due to vibration during processing. When it is necessary to adjust the cutting edge angle of the tool 10... First, loosen the tightening screw 295 to allow the adjusting bracket 292 to move. Then, push the adjusting bracket 292 backward, causing the rod in the middle of the adjusting bracket 292 to enter the arc-shaped groove at the rear of the Y-shaped adjusting groove 291 (at this time, the guide pin 296 at the front end of the adjusting bracket 292 slides along the straight groove at the front of the Y-shaped guide groove 297 to the arc-shaped groove at the rear of the Y-shaped guide groove 297). This causes the upper pin 25, connected by the connecting bolt 293, to move backward synchronously. At this time, the upper pin 25 moves backward inside the Y-shaped clearance groove 28 and finally sits inside the arc-shaped groove at the rear of the Y-shaped clearance groove 28. Then, move the adjusting bracket 292 so that the rod in the middle slides along the arc inside the arc-shaped groove at the rear of the Y-shaped adjusting groove 291.The adjusting bracket 292 drives the guide pin 296 to move synchronously along the arc trajectory within the arc-shaped groove at the rear end of the Y-shaped guide groove 297. This, in turn, pushes the upper pin 25 to swing along the arc trajectory within the arc-shaped groove at the rear end of the Y-shaped clearance groove 28 via the connecting bolt 293. The pin 25 drives the rotating bracket 24 to swing around the axis of rotation, which in turn drives the tool 10 to swing synchronously (while the tool 10 swings, it forces the semi-circular shell 26 to rotate within the corresponding rotating groove 211), thus adjusting the cutting edge angle of the tool 10. During the adjustment process, the angle measuring tool (such as an angle gauge) is observed until the target angle is reached. Finally, the tightening screw 295 is tightened to fix the position of the adjusting bracket 292. After the position and angle of the tool 10 are adjusted, the adjusting door is rotated to the closed position and the pin is inserted. The control switch group 9 is operated to make the electric three-jaw chuck 7 and the motor 12 operate. The electric three-jaw chuck 7 drives the workpiece to rotate, and the motor 12 drives the lead screw 11 to rotate. The moving seat 4 is longitudinally fed along the guide rail 3 towards the workpiece (the external hydraulic cylinder is operated to make the dovetail groove at the lower end of the tool holder mounting seat 5 move along the dovetail protrusion on the moving seat 4, driving the tool holder 6 and the tool 10 to move). The tool 10 begins to contact the workpiece and perform contour machining. During the machining process, the tool barrel 21 remains stationary (locked by the motor 8). The radial position and angle of the tool 10 are fixed by the adjusting mechanism 2.

[0029] It is worth noting that the electric three-jaw chuck 7 disclosed in the above embodiments can be a PSR-06 series, the motor 8 can be a MINASA6 series servo motor, the motor 12 can be an ASD-A2 series servo motor, and the control switch group 9 is provided with control buttons that correspond one-to-one with the electric three-jaw chuck 7, the motor 8 and the motor 12 and are used to control their switching.

[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A precision forming machine for diamond roller contour machining, comprising a machine body (1), wherein a guide rail (3) is provided in the middle of the machine body (1), a movable seat (4) is slidably connected in the middle of the guide rail (3), a tool holder mounting seat (5) is provided on the upper side of the movable seat (4), a tool holder (6) is provided on the upper side of the tool holder mounting seat (5), and a clamping assembly is provided on the left side of the machine body (1), characterized in that: It also includes adjusting the mechanism (2); Adjustment mechanism (2): It includes a cutter barrel (21), guide slides (22), moving plate (23), rotating frame (24) and adjustment component (29). The cutter barrel (21) is rotatably connected to the inside of the rotating hole opened at the rear end of the cutter holder (6). Guide slides (22) are evenly distributed between the front and rear inner walls of the cutter barrel (21). The moving plate (23) is slidably connected between two horizontally adjacent guide slides (22). The rotating frame (24) is rotatably connected to the opposite outer sides of the two moving plates (23). The cutter (10) is threadedly connected to the rear end of the rotating frame (24). The adjustment component (29) is set at the upper end of the cutter holder (6). The cutter barrel (21) and the moving plate (23) are respectively configured to cooperate with the adjustment component (29).

2. The precision forming machine for diamond roller contour machining according to claim 1, characterized in that: The front side of the fuselage (1) is provided with a control switch group (9), and the input end of the control switch group (9) is electrically connected to an external power source.

3. The precision forming machine for diamond roller contour machining according to claim 1, characterized in that: The adjustment mechanism (2) further includes a pin (25), a semi-circular shell (26), a sliding hole (27), and a Y-shaped clearance groove (28). The pin (25) is fixedly connected to the rear ends of the two rotating frames (24) opposite to their outer sides. The upper and lower sides of the outer arc surface of the tool barrel (21) are respectively provided with Y-shaped clearance grooves (28) corresponding to the two pins (25). The inner arc surface of the rotating hole at the rear end of the tool holder (6) is provided with a circular clearance groove (61) corresponding to the two pins (25). The rear side wall of the tool barrel (21) is provided with symmetrically distributed rotating grooves (211). The semi-circular shells (26) are all rotatably connected to the inside of the rotating grooves (211). The rear end of the outer arc surface of the semi-circular shells (26) is provided with a sliding hole (27). The rear end of the tool (10) is slidably connected to the sliding hole (27).

4. The precision forming machine for diamond roller contour machining according to claim 3, characterized in that: The adjustment assembly (29) includes a Y-shaped adjustment groove (291), an adjustment frame (292), a connecting bolt (293), and a mating groove (294). The Y-shaped adjustment groove (291) is located at the upper end of the tool holder (6). The adjustment frame (292) is located inside the Y-shaped adjustment groove (291). The lower side of the adjustment frame (292) is provided with a mating groove (294). The mating groove (294) is configured to cooperate with the lower adjacent pin (25). The two pins (25) are provided with threaded holes (251) on opposite outer sides. The adjustment frame (292) is internally threaded with a connecting bolt (293). The lower end of the connecting bolt (293) is threadedly connected to the lower adjacent threaded hole (251).

5. A precision forming machine for diamond roller contour machining according to claim 4, characterized in that: The adjustment assembly (29) also includes a tightening screw (295), a guide pin (296), and a Y-shaped guide groove (297). The tightening screw (295) is threaded to the right end of the adjustment frame (292), and the lower end of the tightening screw (295) contacts the upper side of the tool holder (6). The guide pin (296) is located at the front end of the adjustment frame (292), and the guide pin (296) is configured to cooperate with the Y-shaped guide groove (297) opened at the rear end of the upper side of the tool holder (6).

6. The precision forming machine for diamond roller contour machining according to claim 2, characterized in that: The adjustment mechanism (2) also includes a motor (8), which is mounted on the front side of the tool holder (6). The output shaft of the motor (8) is fixedly connected to the center of the rear end face of the tool barrel (21), and the input end of the motor (8) is electrically connected to the output end of the control switch group (9).

7. The precision forming machine for diamond roller contour machining according to claim 2, characterized in that: A lead screw (11) is rotatably connected between the left and right inner walls of the front end of the machine body (1). The lead screw (11) is threadedly connected to the lower front end of the moving seat (4). An electric motor (12) is installed inside the left end of the machine body (1). The input end of the electric motor (12) is electrically connected to the output end of the control switch group (9).

8. A precision forming machine for diamond roller contour machining according to claim 2, characterized in that: The clamping assembly is an electric three-jaw chuck (7), which is located on the inner left side of the machine body (1). The input end of the electric three-jaw chuck (7) is electrically connected to the output end of the control switch group (9).

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