Cutting positioning device

Abstract

The utility model discloses a cutting positioning device, which belongs to the field of wood processing and is characterized in that a positioning seat is rotatably connected with a cutting seat, the positioning seat is provided with a positioning groove for mounting a piece to be cut and a plurality of mutually communicated clamping grooves, the plurality of clamping grooves are positioned on a straight line, and an included angle is formed between the straight line where the clamping grooves are positioned and the extending direction of the positioning groove; each clamping groove comprises a rotating groove and a notch located in the edge of the rotating groove, the width of the notch is smaller than the diameter of the rotating groove, every two adjacent clamping grooves are communicated through the notch, the locking assembly is installed on the positioning base and matched with the cutting base to enable the cutting base and the positioning base to be locked, and the clamping assembly is installed on the positioning base. The clamping assembly is rotationally installed in the clamping grooves, the clamping assembly comprises a rotating rod, the rotating rod is provided with a cutting face, the rotating rod moves among the multiple clamping grooves through the cutting face so as to adjust the position of the clamping assembly on the positioning base, and therefore the part to be cut is clamped, and in the using process of the clamping assembly, the clamping assembly does not need to be detached from the positioning base, and the clamping assembly is not prone to being lost.

Description

Technical Field

[0001] This utility model relates to the field of hand tool technology, and in particular to a gecko gun. Background Technology

[0002] Wooden furniture is furniture made from solid wood lumber or solid wood panels as the base material, with a surface finish, or furniture made by applying solid wood veneer or thin wood (wood veneer) to such base materials and then finishing it. Cutting bevels on the panels and splicing thin veneers edge to edge is a common operation in the panel processing process, such as cutting 45° bevels.

[0003] Existing processing equipment places the sheet metal into a positioning slot, clamps it with clamping devices, and then cuts it with a saw. The clamping devices need to be removed and reinstalled during use, making them prone to loss. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the objectives of this utility model is to provide a cutting positioning device in which the clamping parts are not easily lost.

[0005] One of the objectives of this utility model is achieved through the following technical solution:

[0006] A cutting and positioning device includes a positioning seat and a cutting seat, the positioning seat and the cutting seat being rotatably connected. The positioning seat has a positioning groove for mounting the workpiece to be cut and multiple interconnected clamping grooves. The multiple clamping grooves are located on a straight line, and the straight line of the clamping grooves forms an angle with the extension direction of the positioning groove. Each clamping groove includes a rotating groove and a notch located at the edge of the rotating groove. The width of the notch is smaller than the diameter of the rotating groove. Adjacent clamping grooves are connected through the notch. The cutting and positioning device also includes a locking component and a clamping component. The locking component is installed on the positioning seat and cooperates with the cutting seat to lock the cutting seat to the positioning seat. The clamping component is rotatably installed in the clamping groove. The clamping component includes a rotating rod with a cutting surface. The rotating rod moves between the multiple clamping grooves through the cutting surface to adjust the position of the clamping component on the positioning seat, thereby clamping the workpiece to be cut.

[0007] Furthermore, the maximum distance from the midpoint of the cutting surface to the edge of the rotating rod is less than or equal to the width of the notch, and the maximum distance from the midpoint of the cutting surface to the edge of the rotating rod is greater than the radius of the rotating rod.

[0008] Furthermore, the cross-section of the rotating rod is D-shaped.

[0009] Furthermore, the clamping assembly also includes a clamping member, which is fixedly connected to the rotating rod. The clamping member includes a clamping portion, and the rotation axis of the clamping portion is parallel to the rotation axis of the rotating rod.

[0010] Furthermore, the clamping element is made of an elastic material.

[0011] Furthermore, the clamping member also includes a handle that extends from the clamping portion, the clamping portion being vertically positioned and the handle being horizontally positioned.

[0012] Furthermore, the handle is provided with anti-slip texture.

[0013] Furthermore, the plurality of clamping grooves extend from the inside of the positioning groove to the outside of the positioning groove.

[0014] Furthermore, the locking assembly includes an operating member and a locking member. The locking member is slidably mounted on the positioning seat in a vertical direction. The operating member and the locking member are rotatably connected. The locking member has a protruding edge at the end away from the operating member. The operating member has a pivot hole and an abutting edge surrounding the pivot hole. The abutting edge is arc-shaped. The distance from the pivot hole to different positions of the abutting edge is different. When the operating member rotates around the pivot hole, the abutting edge abuts against the positioning seat, thereby driving the locking member to move upward. The cutting seat is clamped by the protruding edge and the positioning seat.

[0015] Furthermore, the positioning seat is provided with a through groove, the through groove is arc-shaped, and the locking part is located in the through groove.

[0016] Furthermore, there are two positioning seats, and the two positioning seats are rotatably connected to the cutting seat respectively.

[0017] Furthermore, each of the positioning seats includes a seat body and a synchronizing member fixed to the seat body. The positioning groove is disposed in the seat body, and the synchronizing member is provided with a gear. The gears of the two synchronizing members mesh with each other.

[0018] Furthermore, the number of clamping components is at least two, and each of the positioning seats is provided with at least one clamping component. The number of locking components is one, and the locking component is installed on any of the positioning seats.

[0019] Furthermore, the cutting seat is provided with a blade slit, and the two positioning seats are symmetrically arranged about the blade slit.

[0020] Furthermore, the cutting positioning device also includes a plurality of stop posts installed on the cutting seat, wherein the plurality of stop posts are arranged in pairs and the cut slit is formed between the plurality of stop posts.

[0021] Compared with the prior art, the cutting and positioning device of this utility model has the following advantages:

[0022] (1) Each clamping groove includes a rotating groove and a notch located at the edge of the rotating groove. The width of the notch is smaller than the diameter of the rotating groove. Adjacent clamping grooves are connected by the notch. The rotating rod is provided with a cutting surface. The rotating rod moves between multiple clamping grooves through the cutting surface to adjust the position of the clamping assembly on the positioning seat, thereby clamping the workpiece to be cut. During use, the clamping assembly does not need to be removed from the positioning seat, and the clamping assembly is not easily lost.

[0023] (2) The rotating rod moves between multiple clamping slots through the cutting surface to adjust the position of the clamping assembly on the positioning seat, so that the cutting positioning device can be used for different widths of the workpiece to be cut, and when the width of the workpiece to be cut is fixed, the clamping assembly can adjust the clamping force by moving between adjacent clamping slots.

[0024] (3) The clamping parts are made of elastic material, so they are not easy to damage the workpiece to be cut when clamping;

[0025] (4) The positioning seat and the cutting seat are rotatably connected. The locking component is installed on the positioning seat and cooperates with the cutting seat to lock the cutting seat and the positioning seat, so that the angle between the positioning seat and the cutting seat can be adjusted so that the workpiece to be cut can be cut at different angles.

[0026] (5) The number of positioning seats is two, which improves cutting efficiency;

[0027] (6) The synchronizing component is equipped with gears. The gears of the two synchronizing components mesh with each other, so that the included angle between the two positioning seats and the cutting seat is adjusted synchronously and kept in line with the same position, avoiding errors. At the same time, only one locking component is needed to lock the two positioning seats at the same time. Attached Figure Description

[0028] Figure 1 This is a perspective view of the cutting positioning device of this utility model at an extreme position;

[0029] Figure 2 for Figure 1 A perspective view of the positioning seat of the cutting positioning device;

[0030] Figure 3 for Figure 2 Another perspective 3D view of the positioning seat;

[0031] Figure 4 for Figure 1 A three-dimensional view of the cutting seat of the cutting positioning device;

[0032] Figure 5 for Figure 4 A three-dimensional view of the cutting seat from another perspective;

[0033] Figure 6 for Figure 1 An exploded view of the locking assembly of the cutting and positioning device;

[0034] Figure 7 for Figure 1 An exploded view of the clamping assembly of the cutting positioning device;

[0035] Figure 8 for Figure 1 A three-dimensional view of the cutting and positioning device from another perspective;

[0036] Figure 9 This is a perspective view of the cutting and positioning device of this utility model at another extreme position;

[0037] Figure 10 for Figure 9 A top view of the cutting positioning device;

[0038] Figure 11 for Figure 9 A three-dimensional view of the cutting and positioning device from another perspective;

[0039] Figure 12 for Figure 9 A 3D view showing the usage status of the cutting and positioning device.

[0040] In the diagram: 10. Positioning seat; 11. Seat body; 110. Base plate; 1101. Clamping groove; 1102. Rotary groove; 1103. Notch; 1104. Raised strip; 1105. Groove; 1106. Reinforcing rib; 111. Side plate; 1110. Mounting hole; 112. Positioning groove; 12. Synchronizing component; 120. Gear; 13. Fixing component; 20. Cutting seat; 21. Plate body; 210. Recessed groove; 211. Insertion hole; 212. Rotating hole; 213. Through groove; 22. Side edge; 220. Opening; 23. Side guard; 30. Locking assembly; 31. Operating component; 31 0. Operating part; 311. Rotating part; 3110. Pivoting hole; 3111. Abutting edge; 32. Rotating shaft; 33. Shim; 34. Locking element; 340. Extension rod; 3401. Through hole; 341. Protruding edge; 40. Clamping assembly; 41. Clamping element; 410. Clamping part; 411. Handle; 4110. Anti-slip texture; 412. Countersunk hole; 42. Rotating element; 420. Rotating rod; 421. End; 4201. Fastening hole; 4202. Cutting surface; 43. Fastener; 50. Stop post; 60. Knife kerf; 200. Workpiece to be cut; 300. Cutting blade. Detailed Implementation

[0041] 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.

[0042] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or it can be fixed through another intermediate component. When a component is said to be "connected to" another component, it can be directly connected to the other component or it may be fixed through another intermediate component. When a component is said to be "set on" another component, it can be set directly on the other component or it may be set through another intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0044] The cutting and positioning device of this application is used for positioning the workpiece 200 during cutting, so that the workpiece 200 is cut at a specific angle. In this embodiment, the workpiece 200 is wood; in other embodiments, the workpiece 200 may also be made of materials such as plastic or composite board.

[0045] Please see Figure 1 The cutting positioning device includes a positioning seat 10, a cutting seat 20, a locking component 30, a clamping component 40, and a stop post 50. The positioning seat 10 supports the workpiece 200 to be cut. Two cutting seats 20 are used to improve cutting efficiency. The cutting seat 20 is used by the cutting blade 300 for cutting. The positioning seat 10 and the cutting seat 20 are rotatably connected, allowing the positioning seat 10 to adjust its angle with the cutting seat 20, thereby adjusting the cutting angle of the workpiece 200. The locking component 30 locks the positioning seat 10 and the cutting seat 20 after the angle adjustment is complete. The clamping component 40 clamps the workpiece 200 on the positioning seat 10 to prevent it from shaking during cutting. The stop post 50 is installed on the cutting seat 20 and guides the cutting blade 300 as it falls. In this embodiment, the cutting blade 300 is a saw blade.

[0046] Please continue reading. Figure 2 as well as Figure 3 The positioning seat 10 includes a seat body 11, a synchronizing member 12 fixed to the seat body 11, and a fixing member 13 for fixing the seat body 11 and the synchronizing member 12.

[0047] The base 11 includes a base plate 110 and side plates 111 extending from both sides of the base plate 110. The two side plates 111 are parallel to each other and perpendicular to the base plate 110. The base plate 110 and the two side plates 111 together form a positioning groove 112. The positioning groove 112 is elongated and is used to support the workpiece 200 to be cut. The upper surface of the base plate 110 is provided with a protrusion 1104, which is located in the positioning groove 112. The extending direction of the protrusion 1104 is the same as the extending direction of the positioning groove 112. The protrusion 1104 makes the bottom of the workpiece 200 to be cut suspended, thus preventing incomplete cutting of the workpiece 200. A clamping groove 1101 is provided on the base plate 110 near one end of the cutting seat 20. Multiple clamping grooves 1101 are interconnected and located on a straight line. The straight line containing the multiple clamping grooves 1101 forms an angle with the extension direction of the positioning groove 112, enabling the clamping assembly 40 to clamp workpieces 200 of different widths or to provide different clamping forces to workpieces 200 of the same width. Each clamping groove 1101 includes a rotating groove 1102 and a notch 1103 located at the edge of the rotating groove 1102. The width of the notch 1103 is smaller than the diameter of the rotating groove 1102. The multiple clamping grooves 1101 are connected by the notches 1103. The two clamping grooves 1101 at the ends have a notch 1103, while the clamping grooves 1101 in the middle have notches 1103 on both sides. The bottom surface of the base plate 110 is provided with multiple grooves 1105 to reduce the weight of the positioning seat 10. Reinforcing ribs 1106 are formed between the multiple grooves 1105 to enhance the structural strength of the positioning seat 10. One side plate 111 is provided with mounting holes 1110, which are arranged vertically and are used to install the locking assembly 30.

[0048] The synchronizing element 12 is elongated, and a gear 120 is provided at one end of the synchronizing element 12. The gear 120 is used to mesh with the two positioning seats 10, so that the two positioning seats 10 rotate synchronously. One end of the synchronizing element 12 is fixed to the base plate 110 of the seat body 11 by a fixing element 13, and the other end of the synchronizing element 12 near the gear 120 is rotatably mounted on the cutting seat 20. In this embodiment, the fixing element 13 is a screw.

[0049] Please continue reading. Figure 4 as well as Figure 5The cutting base 20 includes a plate 21 and a side 22 located at the edge of the plate 21, extending downwards. The plate 21 has a recess 210, a insertion hole 211, a rotating hole 212, and a through groove 213. The position of the recess 210 corresponds to the position of the blade slit 60, preventing the cutting blade 300 from cutting on the plate 21 and extending the service life of the plate 21 and the cutting blade 300. The insertion hole 211 is located at both ends of the recess 210 and is used for the stop post 50, which forms the blade slit 60 and guides the falling of the cutting blade 300. The rotating hole 212 is used to rotate and install the fixing member 13. The through groove 213 is arc-shaped and is used for the locking component 30 to pass through, so that the locking component 30 can be locked when the positioning base 10 rotates relative to the cutting base 20 to different angles. The side 22 has an opening 220 for mounting the synchronizing element 12, allowing the synchronizing element 12 to move within the opening 220, facilitating the rotation of the positioning seat 10 relative to the cutting seat 20. A stop 23 is located at the edge of the opening 220, limiting the rotation angle of the positioning seat 10. When the synchronizing element 12 abuts against the stop 23, the positioning seat 10 rotates to its limit position; when the synchronizing element 12 abuts against the other edge of the opening 220, the positioning seat 10 rotates to the other limit position.

[0050] Please continue reading. Figure 6 The locking assembly 30 includes an operating member 31, a rotating shaft 32, a washer 33, and a locking member 34. The operating member 31 includes an operating part 310 and a rotating part 311, which are integrally formed. The rotating part 311 has a pivot hole 3110, and the edge of the pivot hole 3110 has an abutment edge 3111. The abutment edge 3111 is arc-shaped, and the distance between the abutment edge 3111 and the center of the pivot hole 3110 is different, forming a cam structure. When the operating member 31 rotates around the pivot hole 3110, the abutment edge 3111 abuts against the side plate 111 of the positioning seat 10, causing the pivot hole 3110 to displace in the vertical direction, thereby driving the locking member 34 to move in the vertical direction. The rotating shaft 32 is used for the rotatable connection between the operating member 31 and the locking member 34. The washer 33 is installed on the side plate 111 of the positioning seat 10 to prevent wear on the operating member 31 and the side plate 111. The locking member 34 includes an extension rod 340 and a protrusion 341 fixed to the end of the extension rod 340. The protrusion 341 extends from the end of the extension rod 340. A through hole 3401 is provided at the end of the extension rod 340 away from the protrusion 341. A rotating shaft 32 is installed in the through hole 3401 and extends into a pivot hole 3110. A portion of the extension rod 340 is installed in the mounting hole 1110 and passes through a through groove 213. The protrusion 341 abuts against the side edge of the bottom of the through groove 213.

[0051] Please continue reading. Figure 7The clamping assembly 40 includes a clamping member 41, a rotating member 42, and a fastener 43. The clamping member 41 is used to abut against the workpiece 200 to clamp it. The clamping member 41 is made of an elastic material to avoid damaging the workpiece 200. The clamping member 41 includes a clamping part 410 and a handle 411. The clamping part 410 is cylindrical and hollow, and is arranged vertically. The handle 411 extends from the top of the clamping part 410, is arranged horizontally, and has anti-slip texture 4110.

[0052] The rotating component 42 includes a rotating rod 420 and an end portion 421 located at the end of the rotating rod 420, the size of which is larger than that of the rotating rod 420. A fastening hole 4201 is provided at the end of the rotating rod 420 away from the end portion 421, for fixing the rotating component 42 to the clamping component 41. The rotation axis of the clamping component 41 is not coincident with and is parallel to the rotation axis of the rotating component 42, forming a cam structure that facilitates the clamping component 41 contacting the workpiece 200 to be cut and clamping it. The rotating rod 420 has a cutting surface 4202, the maximum distance from the midpoint of the cutting surface 4202 to the edge of the rotating rod 420 is less than or equal to the width of the notch 1103, and the maximum distance from the midpoint of the cutting surface 4202 to the edge of the rotating rod 420 is greater than the radius of the rotating rod 420. In this embodiment, the cross-section of the rotating rod 420 is D-shaped. After the rotating rod 420 rotates in the rotating groove 1102, it can enter the adjacent rotating groove 1102 through the notch 1103. When it reaches the required position of the rotating groove 1102, the rotating rod 420 rotates and locks in the horizontal direction in the preset rotating groove 1102.

[0053] Please continue reading. Figure 1 as well as Figure 8 When assembling the cutting positioning device, the synchronizing element 12 of the two positioning seats 10 is rotatably installed in the rotating hole 212 of the cutting seat 20. The gears 120 of the two positioning seats 10 mesh with each other, so that the two positioning seats 10 rotate synchronously and keep in line, avoiding errors. At the same time, only one locking component 30 is needed to lock the two positioning seats 10 at the same time. The locking component 30 is installed in the mounting hole 1110 of the side plate 111. The clamping component 40 is installed in the clamping groove 1101, and the stop pins 50 are installed in the insertion hole 211. The stop pins 50 are arranged in pairs, and a gap is formed between the two stop pins 50. A blade slit 60 is formed between multiple pairs of stop pins 50. When the cutting blade 300 cuts, the cutting blade 300 falls along the blade slit 60 to cut.

[0054] Please continue reading. Figures 9 to 12When using the cutting positioning device, rotate the positioning seat 10 to adjust the angle between the positioning seat 10 and the cutting seat 20, so that the angle of the positioning groove 112 reaches the preset cutting angle. Rotate the operating member 31 of the locking assembly 30 to move the locking member 34 upward, and the protruding edge 341 clamps the cutting seat 20 onto the positioning seat 10, locking the positioning seat 10 and the cutting seat 20, and determining the cutting angle of the workpiece 200. Place the workpiece 200 into the positioning groove 112, rotate the clamping assembly 40 to move the rotating member 42 to the corresponding clamping groove 1101, continue to rotate the clamping assembly 40, so that the clamping member 41, due to eccentric rotation, abuts against the workpiece 200 to be cut, clamping the workpiece 200 to be cut. The cutting blade 300 falls along the blade seam 60 to cut the workpiece 200 to be cut.

[0055] The clamping groove 1101 of the cutting positioning device of this utility model includes a rotating groove 1102 and a notch 1103 located at the edge of the rotating groove 1102. The width of the notch 1103 is smaller than the diameter of the rotating groove 1102. Adjacent clamping grooves 1101 are connected by the notch 1103. The rotating rod 420 is provided with a cutting surface 4202. The rotating rod 420 moves between multiple clamping grooves 1101 through the cutting surface 4202 to adjust the position of the clamping assembly 40 on the positioning seat 10, thereby clamping the workpiece 200 to be cut. During use, the clamping assembly 40 does not need to be removed from the positioning seat 10, and the clamping assembly 40 is not easily lost. The rotating rod 420 moves between multiple clamping grooves 1101 through the cutting surface 4202 to adjust the position of the clamping assembly 40 on the positioning seat 10, so that the cutting positioning device can be used for workpieces 20 of different widths. 0, and when the width of the workpiece 200 to be cut is fixed, the clamping assembly 40 can adjust the clamping force by moving in the adjacent clamping groove 1101; the clamping member 41 is made of elastic material, so it is not easy to damage the workpiece 200 to be cut when clamping; the positioning seat 10 is rotatably connected to the cutting seat 20, and the locking assembly 30 is installed on the positioning seat 10 and cooperates with the cutting seat 20 to lock the cutting seat 20 and the positioning seat 10, so that the included angle between the positioning seat 10 and the cutting seat 20 can be adjusted, so that the workpiece 200 to be cut can be cut at different angles; there are two positioning seats 10 to improve cutting efficiency; the synchronizing member 12 is provided with gears 120, and the gears 120 of the two synchronizing members 12 mesh with each other, so that the included angle between the two positioning seats 10 and the cutting seat 20 is adjusted synchronously and kept consistent, avoiding errors; at the same time, only one locking assembly 30 is needed to lock the two positioning seats 10 at the same time.

[0056] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model. These are all equivalent modifications and improvements made to the above embodiments based on the essential technology of this utility model, and all of these fall within the protection scope of this utility model.

Claims

1. A cutting and positioning device, comprising a positioning seat and a cutting seat, wherein the positioning seat is rotatably connected to the cutting seat, and the positioning seat is provided with a positioning groove for mounting the workpiece to be cut, characterized in that: The positioning seat is also provided with a plurality of interconnected clamping grooves, which are located on a straight line. The straight line containing the clamping grooves forms an angle with the extension direction of the positioning groove. Each clamping groove includes a rotating groove and a notch located at the edge of the rotating groove. The width of the notch is smaller than the diameter of the rotating groove. Adjacent clamping grooves are connected through the notch. The cutting positioning device also includes a locking component and a clamping component. The locking component is installed on the positioning seat and cooperates with the cutting seat to lock the cutting seat to the positioning seat. The clamping component is rotatably installed in the clamping groove. The clamping component includes a rotating rod with a cutting surface. The rotating rod moves between the plurality of clamping grooves through the cutting surface to adjust the position of the clamping component on the positioning seat, thereby clamping the workpiece to be cut.

2. The cutting and positioning device according to claim 1, characterized in that: The maximum distance from the midpoint of the cutting surface to the edge of the rotating rod is less than or equal to the width of the notch, and the maximum distance from the midpoint of the cutting surface to the edge of the rotating rod is greater than the radius of the rotating rod.

3. The cutting and positioning device according to claim 2, characterized in that: The cross-section of the rotating rod is D-shaped.

4. The cutting and positioning device according to claim 1, characterized in that: The clamping assembly further includes a clamping member, which is fixedly connected to the rotating rod. The clamping member includes a clamping portion, and the rotation axis of the clamping portion is parallel to the rotation axis of the rotating rod.

5. The cutting and positioning device according to claim 4, characterized in that: The clamping element is made of an elastic material.

6. The cutting and positioning device according to claim 4, characterized in that: The clamping member also includes a handle that extends from the clamping part, the clamping part being vertically positioned and the handle being horizontally positioned.

7. The cutting positioning device of claim 6, wherein: The handle has anti-slip texture.

8. The cutting positioning device of claim 1, wherein: The plurality of clamping grooves extend from the inside of the positioning groove to the outside of the positioning groove.

9. The cutting and positioning device according to claim 1, characterized in that: The locking assembly includes an operating member and a locking member. The locking member is slidably mounted on the positioning seat in a vertical direction. The operating member and the locking member are rotatably connected. The locking member has a protruding edge at the end away from the operating member. The operating member has a pivot hole and an abutting edge surrounding the pivot hole. The abutting edge is arc-shaped. The distance from the pivot hole to different positions of the abutting edge is different. When the operating member rotates around the pivot hole, the abutting edge abuts against the positioning seat, thereby causing the locking member to move upward. The cutting seat is clamped by the protruding edge and the positioning seat.

10. The cutting positioning device of claim 9, wherein: The positioning seat is provided with a through groove, which is arc-shaped, and the locking part is located in the through groove.

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