Linear cutting positioning device for precision machining

Abstract

The invention provides a linear cutting positioning device for precision machining, and relates to the technical field of CNC precision machining linear cutting positioning, the linear cutting positioning device comprises a cutting machine body, a rotating mechanism and a bearing plate, one side of the cutting machine body is provided with an operation frame, and the upper end of the operation frame is provided with a driving module; a cutter module is arranged at the position, corresponding to the driving module, of the bottom face of the upper end of the mounting frame, a machining table is fixedly connected to the position, corresponding to the cutter module, of the surface of the cutting machine body, and a positioning mechanism is arranged on the surface of the machining table. The problems that when cutting equipment is operated and used, machined parts need to be positioned, common clamping and positioning equipment can only position parts with regular shapes, irregular special-shaped parts are prone to being machined and cut in the machining process, and machining efficiency is high are solved. And therefore, special-shaped machined parts with different sizes are inconvenient to cut and position.

Description

Technical Field

[0001] The invention relates to the technical field of CNC precision machining wire cutting positioning technology, and in particular to a wire cutting positioning device for precision machining. Background Art

[0002] CNC precision machining wire cutting positioning devices are usually used to accurately control the position of the workpiece during the machining process to ensure high precision and high consistency of the machining. Its main function is to accurately position the workpiece through advanced sensors, drive systems and high-precision control systems, and ensure the stability of the workpiece position during the machining process. It is more common in CNC precision machining operations.

[0003] The prior art includes an invention with a publication number of CN117161661A, which discloses a laser cutting workpiece positioning device for precision sheet metal processing. The patent includes a main body, a motor is installed on one side of the main body, and a leg is installed at the bottom edge angle of the main body, and a collecting component is installed at the bottom of the main body; the collecting component includes a collecting box, and the collecting box is installed on the inner side of the leg at the bottom of the main body; the observing component is installed on the top of the main body, and the observing component includes a vertical plate, and the side of the vertical plate is inlaid with tempered glass, and the vertical plate is installed on the front and back sides of the top of the main body. The convex lens on the observation part magnifies the laser cutting part, and the direction of the laser cutting is observed more clearly. It is convenient to operate, which solves the problem that when the existing positioning device is used, the operator holds a protective cover to observe the laser cutting part when the precision sheet metal workpiece is laser cut, and the viewing distance of the protective cover is limited, which is inconvenient to use.

[0004] In CNC precision machining operations, it is found that when operating the cutting equipment, it is necessary to position the processed parts, and the usual clamping and positioning equipment can only position parts with regular shapes. Due to the processing, irregular shaped parts are prone to processing and cutting, which leads to the problem of inconvenience in cutting and positioning of special-shaped parts of different sizes. Summary of the invention

[0005] The purpose of the present invention is to solve the problem in the prior art that when operating the cutting equipment, it is necessary to position the processed parts, while the usual clamping and positioning equipment can only position parts with regular shapes. During the processing, irregular and special-shaped parts are prone to processing and cutting, which makes it inconvenient to cut and position special-shaped processed parts of different sizes.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a wire cutting positioning device for precision machining, comprising a cutting machine body, a rotating mechanism and a carrying plate, an operating frame is installed on one side of the cutting machine body, a driving module is installed on the upper end of the operating frame, a cutting knife module is arranged on the bottom surface of the upper end of the mounting frame at a position corresponding to the driving module, a processing table is fixedly connected to the position of the cutting knife module on the surface of the cutting machine body corresponding to the position of the cutting knife module, a positioning mechanism is arranged on the surface of the processing table, the positioning mechanism comprises a plurality of adjustment frames, and the plurality of adjustment frames are fixedly connected to the surface of the carrying plate by means of a rotating mechanism, a positioning shaft is threaded through the upper surface of the adjustment frame, and the ends of the plurality of positioning shafts close to each other are rotatably connected to a clamping plate, a plurality of inlay holes are opened on the surface of the clamping plate, a spring is fixedly connected to the bottom end of the inner wall of the inlay hole, and a top column is fixedly connected to the other end of the spring, the arc surface of the top column is slidably connected to the inner wall of the inlay hole, and the plurality of top columns are evenly distributed on the surface of the clamping plate.

[0007] The effect achieved by the above components is: in the process of CNC precision machining, metal parts will need to be cut. At this time, the metal parts need to be operated with the help of the cutting machine body. At the same time, the positioning mechanism set on the surface of the processing table can be used to clamp metal parts of different shapes and sizes, which helps to better cut and use special-shaped parts.

[0008] Preferably, the arc surface of the top column is provided with a through hole, the inner walls of the plurality of through holes are slidably plugged with a same positioning frame, and the arc surface of one end of the positioning frame is threadedly connected with a fixed shaft.

[0009] The effect achieved by the above components is that all top columns can be slidably limited in position through the positioning frame, which helps to clamp and limit regular metal parts with high strength.

[0010] Preferably, a guide rod is fixedly connected to one side surface of the clamping plate, and an arc surface at one end of the guide rod slides through the surface of the adjustment frame.

[0011] The effect achieved by the above components is that the position of the clamping plate can be effectively limited by means of the guide rod to avoid position deviation during the movement.

[0012] Preferably, a rotating shaft is slidably penetrated through the inner wall of one end of the positioning shaft away from the clamping plate, and the rotating shaft is a hard alloy rod.

[0013] The effect achieved by the above components is that when the position of the positioning shaft is rotated, the rotating shaft made of cemented carbide can be used to perform auxiliary rotation operations.

[0014] Preferably, a protective sleeve is fixedly connected to the arc surface of the top column, and the protective sleeve is a silicone sleeve.

[0015] The effect achieved by the above components is: with the help of the protective cover made of silicone material, the surface of the top column can be effectively protected to avoid collision between the processed parts and the top column, thereby preventing excessive extrusion and damage to the top column.

[0016] Preferably, the rotating mechanism includes a fixed ring and a rotating frame, the lower surface of the fixed ring is fixedly connected to the surface of the carrying plate, the cross-section of the rotating frame is "U"-shaped, the end surface of the rotating frame close to the inner wall of the fixed ring is rotatably connected with a roller, the arc surface of the roller is slidably connected to the inner wall of the fixed ring, and a moving rod is slidably penetrated through the end surface of the rotating frame away from the roller, the arc surface of the fixed ring is provided with a plurality of slots, the end of the moving rod close to the slot is fixedly connected with an extrusion plate, the cross-section of the extrusion plate is conical, the surface of the extrusion plate is snapped with the inner wall of the slot, the arc surface of the moving rod is sleeved with a tension spring, and the two ends of the tension spring are respectively fixedly connected to the extrusion plate and the inner wall of the rotating frame.

[0017] The effect achieved by the above components is: in order to facilitate the clamping and limiting of processing parts of different sizes, the position of the rotating frame can be adjusted with the help of the rotating mechanism set on the surface of the carrying plate. At the same time, with the help of the movement of the moving rod on one side of the rotating frame and the position of the extrusion plate, the extrusion plate and the slot are clamped and fixed, which helps to adjust the rotating frame to the specified position and then fix it, and then use the positioning mechanism to position the processing parts.

[0018] Preferably, a pull ring is rotatably connected to one end surface of the moving rod, and the cross-sectional size of the pull ring is matched with the cross-sectional size of the moving rod.

[0019] The effect achieved by the above components is that when the position of the moving rod is adjusted by stretching, auxiliary operation can be performed with the help of the pull ring rotating on the surface of the moving rod.

[0020] Preferably, a slide groove is provided on the upper surface of the fixing ring, a slide ball is rotatably connected to the inner wall surface of the rotating frame, and the arc surface of the slide ball is slidably connected to the inner wall of the slide groove.

[0021] The effect achieved by the above components is that through the sliding between the sliding groove and the sliding ball, the sliding between the rotating frame and the fixed ring can be effectively limited, and at the same time it helps to reduce friction.

[0022] Preferably, a moving mechanism is provided on the surface of the processing table, and the moving mechanism includes a connecting groove, the cross-section of the connecting groove is wedge-shaped, both ends of the connecting groove are rotatably connected to the same driving shaft, one end of the driving shaft is fixedly connected to the connecting shaft, and the lower surface of the supporting plate is fixedly connected to an adjusting block, the surface of the adjusting block is slidably connected to the inner wall of the connecting groove, and the surface of the adjusting block is threadedly penetrated by the arc surface of the driving shaft.

[0023] The effect achieved by the above-mentioned components is: in the process of processing metal parts arranged on the surface of the processing table, in order to facilitate the cutting operations on the parts at different positions, the moving mechanism arranged on the surface of the processing table can be used for assistance, and the driving shaft can be used to drive the carrying plate to perform linear movement control, so as to cut the metal parts.

[0024] Preferably, both sides of the surface of the processing table are provided with limiting grooves, the inner walls of the limiting grooves are slidably connected to limiting plates, and the upper ends of the limiting plates are fixedly connected to the lower surface of the carrying plate.

[0025] The effects achieved by the above components are: the position of the load-bearing plate can be guided by means of the sliding between the limiting plate and the limiting groove, and at the same time, effective support and protection can be provided by means of the limiting plate.

[0026] Compared with the prior art, the advantages and positive effects of the present invention are:

[0027] 1. In the present invention, by setting a positioning mechanism, it is possible to clamp and limit the special-shaped metal parts of different sizes. With the help of the positioning shaft rotating in the adjustment frame, the positioning shaft drives the sliding of the clamping plate position, and then the extrusion force generated by the spring in the embedded hole on the surface of the clamping plate is used to squeeze and move the position of the top column, so that a number of top columns can clamp and fix metal parts of different sizes, which is helpful to conveniently and quickly cut and process the metal parts.

[0028] 2. In the present invention, by setting a rotating mechanism, the position of the positioning mechanism set on the upper surface of the entire fixed ring can be rotated and fixed, so that several positioning mechanisms can be adjusted in all directions. By using the rotating frame on the surface of the fixed ring, the rotating frame uses the rollers at both ends and the extrusion plates to slide and clamp the fixed rings, thereby facilitating the rotational adjustment operation of the position of the entire positioning mechanism.

[0029] 3. In the present invention, by setting up a moving mechanism, the position of the entire carrier plate can be moved horizontally linearly. By rotating the driving shaft, the driving shaft drives the adjustment block on the surface of the processing table to slide. At this time, the position of the entire carrier plate will be moved and regulated with the help of the adjustment block, and the processing parts can be effectively cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The present invention provides a three-dimensional structural schematic diagram of a wire cutting positioning device for precision machining;

[0031] Figure 2 A partial schematic diagram of the three-dimensional structure of a wire cutting positioning device for precision machining proposed by the present invention;

[0032] Figure 3 The present invention provides a structural schematic diagram of a positioning mechanism of a wire cutting positioning device for precision machining;

[0033] Figure 4 A partial structural schematic diagram of a positioning mechanism of a wire cutting positioning device for precision machining proposed by the present invention;

[0034] Figure 5 The present invention proposes a wire cutting positioning device for precision machining Figure 4 A schematic diagram of the enlarged structure at point A;

[0035] Figure 6 The present invention provides a structural schematic diagram of a rotating mechanism of a wire cutting positioning device for precision machining;

[0036] Figure 7 A partial structural schematic diagram of a rotating mechanism of a wire cutting positioning device for precision machining proposed by the present invention;

[0037] Figure 8 The present invention provides a structural schematic diagram of a moving mechanism of a wire cutting positioning device for precision machining.

[0038] Markings: 1. Cutting machine body; 2. Processing table; 3. Operating frame; 4. Driving module; 5. Cutter module; 6. Positioning mechanism; 601. Adjusting frame; 602. Positioning shaft; 603. Rotating shaft; 604. Guide rod; 605. Clamping plate; 606. Inlay hole; 607. Top column; 608. Spring; 609. Through hole; 610. Protective cover; 611. Positioning frame; 612. Fixed shaft ; 7. Rotating mechanism; 701. Fixed ring; 702. Rotating frame; 703. Slot; 704. Moving rod; 705. Pull ring; 706. Extrusion plate; 707. Slide groove; 708. Slide ball; 709. Roller; 710. Tension spring; 8. Moving mechanism; 81. Loading plate; 82. Driving shaft; 83. Connecting shaft; 84. Limiting plate; 85. Limiting groove; 86. Adjusting block; 87. Connecting groove. DETAILED DESCRIPTION

[0039] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from the description. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0041] like Figure 1-2As shown, the present invention provides a wire cutting positioning device for precision machining, including a cutting machine body 1, a rotating mechanism 7 and a supporting plate 81, an operating frame 3 is installed on one side of the cutting machine body 1, a driving module 4 is installed on the upper end of the operating frame 3, a cutting module 5 is arranged on the bottom surface of the upper end of the mounting frame at a position corresponding to the driving module 4, a processing table 2 is fixedly connected to the surface of the cutting machine body 1 at a position corresponding to the cutting module 5, a positioning mechanism 6 is arranged on the surface of the processing table 2, and a moving mechanism 8 is arranged on the surface of the processing table 2.

[0042] The specific arrangement and functions of the positioning mechanism 6, the rotating mechanism 7 and the moving mechanism 8 will be described in detail below.

[0043] like Figure 3 , Figure 4 and Figure 5 As shown, the positioning mechanism 6 includes a plurality of adjustment frames 601, and the plurality of adjustment frames 601 are fixedly connected to the surface of the bearing plate 81 by means of the rotating mechanism 7. The upper surface of the adjustment frame 601 is threaded with a positioning shaft 602, and the ends of the plurality of positioning shafts 602 close to each other are rotatably connected to a clamping plate 605, and the surface of the clamping plate 605 is provided with a plurality of inlay holes 606, and the bottom end of the inner wall of the inlay hole 606 is fixedly connected to a spring 608, and the other end of the spring 608 is fixedly connected to a top column 607, and the arc surface of the top column 607 is slidably connected to the inner wall of the inlay hole 606, and the plurality of top columns 607 are evenly distributed on the clamping plate 605. The surface of the holding plate 605 and the arc surface of the top column 607 are provided with through holes 609, and the inner walls of several through holes 609 are slidably inserted with the same positioning frame 611, and the arc surface of one end of the positioning frame 611 is threadedly connected to a fixed shaft 612, and a guide rod 604 is fixedly connected to the surface of one side of the clamping plate 605, and the arc surface of one end of the guide rod 604 slides through the surface of the adjustment frame 601, and a rotating shaft 603 slides through the inner wall of one end of the positioning shaft 602 away from the clamping plate 605, and the rotating shaft 603 is a carbide rod, and a protective sleeve 610 is fixedly connected to the arc surface of the top column 607, and the protective sleeve 610 is a silicone sleeve.

[0044] like Figure 6 and Figure 7As shown, the rotating mechanism 7 includes a fixed ring 701 and a rotating frame 702. The lower surface of the fixed ring 701 is fixedly connected to the surface of the bearing plate 81. The cross section of the rotating frame 702 is "U"-shaped. The end surface of the rotating frame 702 close to the inner wall of the fixed ring 701 is rotatably connected to a roller 709. The arc surface of the roller 709 is slidably connected to the inner wall of the fixed ring 701. The end surface of the rotating frame 702 away from the roller 709 is slidably penetrated by a moving rod 704. The arc surface of the fixed ring 701 is provided with a plurality of slots 703. The end of the moving rod 704 close to the slot 703 is fixedly connected to an extrusion plate 706 The cross-section of the extrusion plate 706 is conical, and the surface of the extrusion plate 706 is snap-fitted with the inner wall of the slot 703. The arc surface of the moving rod 704 is sleeved with a tension spring 710, and the two ends of the tension spring 710 are respectively fixedly connected to the extrusion plate 706 and the inner wall of the rotating frame 702. A pull ring 705 is rotatably connected to the surface of one end of the moving rod 704, and the cross-sectional size of the pull ring 705 is adapted to the cross-sectional size of the moving rod 704. A slide groove 707 is provided on the upper surface of the fixed ring 701, and a sliding ball 708 is rotatably connected to the inner wall surface of the rotating frame 702, and the arc surface of the sliding ball 708 is slidably connected to the inner wall of the slide groove 707.

[0045] like Figure 8 As shown, the moving mechanism 8 includes a connecting groove 87, the cross-section of the connecting groove 87 is wedge-shaped, the two ends of the connecting groove 87 are rotatably connected to the same driving shaft 82, one end of the driving shaft 82 is fixedly connected to the connecting shaft 83, the lower surface of the supporting plate 81 is fixedly connected to an adjusting block 86, the surface of the adjusting block 86 is slidably connected to the inner wall of the connecting groove 87, the surface of the adjusting block 86 and the arc surface of the driving shaft 82 are threadedly penetrated, and limiting grooves 85 are provided on both sides of the surface of the processing table 2, the inner wall of the limiting groove 85 is slidably connected to the limiting plate 84, and the upper end of the limiting plate 84 is fixedly connected to the lower surface of the supporting plate 81.

[0046] The overall working principle is that during the CNC precision machining wire cutting process, the cutting machine body 1 will be used for operation. At this time, the metal parts need to be placed on the processing table 2, and the positioning mechanism 6 and the rotating mechanism 7 set on the surface of the processing table 2 are used to clamp and fix the entire metal parts, and then the cutting operation is performed with the help of the cutting knife module 5 set on the mounting frame. First, several rotating mechanisms 7 are adjusted according to the size of the processed parts, and the moving rod 704 on one side of the rotating frame 702 on the surface of the fixed ring 701 is pulled, so that the moving rod 704 drives the extrusion plate 706 and the clamping plate 706 opened on the surface of the fixed ring 701. The slot 703 is separated, and then the entire rotating frame 702 is slid along the inner wall of the fixing ring 701 to the specified position with the help of the roller 709 at the other end, and the moving rod 704 is released at the same time, so that the extrusion plate 706 at one end of the moving rod 704 is re-engaged and fixed with the slot 703, and the position of the extrusion plate 706 is squeezed and fixed with the help of the extrusion force generated by the tension spring 710 to prevent the entire rotating frame 702 from shifting in position, and then the positioning mechanism 6 set at the upper end of the rotating frame 702 is adjusted, and the position of the clamping plate 605 is adjusted according to the size of the processed parts, and the positioning shaft 6 on the surface of the rotating adjustment frame 601 is rotated. 02, let the clamping plate 605 at one end of the positioning shaft 602 move with the help of the guide rod 604. In this process, the extrusion force generated by the spring 608 in the embedded hole 606 on the surface of the clamping plate 605 is matched with the top column 607, so that several top columns 607 can squeeze, clamp and fix the processing parts of different sizes. After clamping the regular processing parts, they can be connected with the through hole 609 opened on the surface of the top column 607 with the help of the positioning frame 611, and then the fixed shaft 612 at one end of the positioning frame 611 is used to rotate and fix it with a thread, so that all the top columns 607 can no longer shrink and move. At this time, the entire The positions of the clamping plate 605 and the top column 607 will be fixed, which can further enhance the overall strength and perform clamping and fixing operations on regular parts. When it is necessary to linearly adjust the position of the entire processed part, the moving mechanism 8 set on the surface of the processing plate can be used for auxiliary operations. By rotating the rotating shaft 603 at one end of the driving shaft 82, the driving shaft 82 will drive the adjustment block 86 on the lower surface of the supporting plate 81 to slide along the inner wall of the connecting groove 87. At the same time, the limit plates 84 fixed on both sides of the supporting plate 81 will slide with the help of the limit grooves 85 opened on the surface of the processing table 2, so that the supporting position of the entire supporting plate 81 can be better protected.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A wire cutting positioning device for precision machining, comprising a cutting machine body (1), a rotating mechanism (7) and a bearing plate (81), characterized in that: An operating frame (3) is installed on one side of the cutting machine body (1), a driving module (4) is installed on the upper end of the operating frame (3), a cutting module (5) is arranged on the bottom surface of the upper end of the mounting frame at a position corresponding to the driving module (4), a processing table (2) is fixedly connected to the surface of the cutting machine body (1) at a position corresponding to the cutting module (5), a positioning mechanism (6) is arranged on the surface of the processing table (2), and the positioning mechanism (6) includes a plurality of adjustment frames (601), and the plurality of adjustment frames (601) are fixedly connected to the surface of the carrying plate (81) by means of a rotating mechanism (7). A positioning shaft (602) is threadedly penetrated on the upper surface of the frame (601), and one end of a plurality of the positioning shafts (602) close to each other is rotatably connected to a clamping plate (605), and a plurality of inlay holes (606) are opened on the surface of the clamping plate (605), and a spring (608) is fixedly connected to the bottom end of the inner wall of the inlay hole (606), and the other end of the spring (608) is fixedly connected to a top column (607), and the arc surface of the top column (607) is slidably connected to the inner wall of the inlay hole (606), and a plurality of the top columns (607) are evenly distributed on the surface of the clamping plate (605).

2. A wire cutting positioning device for precision machining according to claim 1, characterized in that: The arc surface of the top column (607) is provided with a through hole (609), and the inner walls of the through holes (609) are slidably connected with a same positioning frame (611), and the arc surface of one end of the positioning frame (611) is threadedly connected with a fixed shaft (612).

3. The wire cutting positioning device for precision machining according to claim 1, characterized in that: A guide rod (604) is fixedly connected to one side surface of the clamping plate (605), and an arc surface at one end of the guide rod (604) slides through the surface of the adjustment frame (601).

4. The wire cutting positioning device for precision machining according to claim 1, characterized in that: A rotating shaft (603) is slidably penetrated through the inner wall of one end of the positioning shaft (602) away from the clamping plate (605), and the rotating shaft (603) is a hard alloy rod.

5. The wire cutting positioning device for precision machining according to claim 1, characterized in that: The arc surface of the top column (607) is fixedly connected with a protective sleeve (610), and the protective sleeve (610) is a silicone sleeve.

6. A wire cutting positioning device for precision machining according to claim 1, characterized in that: The rotating mechanism (7) comprises a fixed ring (701) and a rotating frame (702). The lower surface of the fixed ring (701) is fixedly connected to the surface of the bearing plate (81). The cross section of the rotating frame (702) is in a "U" shape. The surface of one end of the rotating frame (702) close to the inner wall of the fixed ring (701) is rotatably connected to a roller (709). The arc surface of the roller (709) is slidably connected to the inner wall of the fixed ring (701). The surface of one end of the rotating frame (702) away from the roller (709) is slidably penetrated by a moving rod (704), the arc surface of the fixed ring (701) is provided with a plurality of slots (703), one end of the moving rod (704) close to the slot (703) is fixedly connected with an extrusion plate (706), the cross section of the extrusion plate (706) is in the shape of conical teeth, the surface of the extrusion plate (706) is engaged with the inner wall of the slot (703), the arc surface of the moving rod (704) is sleeved with a tension spring (710), the two ends of the tension spring (710) are respectively fixedly connected with the extrusion plate (706) and the inner wall of the rotating frame (702).

7. A wire cutting positioning device for precision machining according to claim 6, characterized in that: A pull ring (705) is rotatably connected to one end surface of the moving rod (704), and the cross-sectional size of the pull ring (705) is matched with the cross-sectional size of the moving rod (704).

8. The wire cutting positioning device for precision machining according to claim 6, characterized in that: A sliding groove (707) is provided on the upper surface of the fixed ring (701), and a sliding ball (708) is rotatably connected to the inner wall surface of the rotating frame (702), and the arc surface of the sliding ball (708) is slidably connected to the inner wall of the sliding groove (707).

9. The wire cutting positioning device for precision machining according to claim 1, characterized in that: The surface of the processing table (2) is provided with a moving mechanism (8), the moving mechanism (8) comprises a connecting groove (87), the cross section of the connecting groove (87) is wedge-shaped, the two ends of the connecting groove (87) are rotatably connected to the same driving shaft (82), one end of the driving shaft (82) is fixedly connected to a connecting shaft (83), the lower surface of the bearing plate (81) is fixedly connected to an adjusting block (86), the surface of the adjusting block (86) is slidably connected to the inner wall of the connecting groove (87), and the surface of the adjusting block (86) and the arc surface of the driving shaft (82) are threadedly penetrated.

10. A wire cutting positioning device for precision machining according to claim 9, characterized in that: Limiting grooves (85) are provided on both sides of the surface of the processing table (2), the inner wall of the limiting groove (85) is slidably connected to a limiting plate (84), and the upper end of the limiting plate (84) is fixedly connected to the lower surface of the bearing plate (81).

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