Comb round tooth root notching device

Abstract

The application discloses a comb round tooth root tooth opening device, which comprises a sliding table, a clamping mechanism, a rotating mechanism and a cutting mechanism. The sliding table is provided with a moving frame, and the sliding table can drive the moving frame to move in the X-axis and Y-axis directions. The clamping mechanism is provided with two left and right clamping assemblies. Each clamping assembly comprises a rotating support, a rotating part, a clamping part and a fine adjustment mechanism. The rotating support is fixed on the moving frame, the rotating part is rotatably installed on the rotating support, the rotating part is provided with a fine adjustment sliding rail, the clamping part is slidably installed on the fine adjustment sliding rail, and the fine adjustment mechanism is used for driving the clamping part to slide along the fine adjustment sliding rail. The rotating mechanism is used for driving the rotating parts of the two clamping assemblies to synchronously rotate. The comb blank is positioned between the clamping parts of the two clamping assemblies. The cutting mechanism comprises a cutting disc and a rotating drive used for driving the cutting disc to rotate. The comb round tooth root can be directly machined when the comb is toothed.

Description

Technical Field

[0001] This invention relates to the field of comb manufacturing technology, specifically to a comb tooth root opening device. Background Technology

[0002] A type of comb on the market, such as Figure 1 As shown, the root a of the comb is arc-shaped and lies on an arc. The advantage of processing the root a of the comb into an arc shape is that when combing hair, the contact between the hair and the comb is smooth and lubricated, making it less likely to snag, break, or damage the hair.

[0003] When processing this comb using materials such as bamboo, wood, bone, and horn, the material must first be processed into a comb-shaped blank. Then, a tooth-opening device is used to open the teeth on the comb blank. Since the tooth-opening devices currently on the market can only open right-angle teeth on the comb, in order to further process the rounded tooth roots, the tooth roots need to be manually ground into rounded corners after the teeth are opened on the comb blank. This process is inefficient and costly. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a comb tooth root opening device that enables the direct machining of arc-shaped tooth roots during comb tooth opening.

[0005] This invention provides a comb tooth root opening device, comprising:

[0006] A slide table is mounted on a base, and a movable frame is mounted on the slide table. The slide table can drive the movable frame to move in the X-axis and Y-axis directions, wherein the X-axis direction is the left-right direction and the Y-axis direction is the front-back direction.

[0007] The clamping mechanism comprises two clamping components arranged opposite each other. Each clamping component includes a rotating support, a rotating component, a clamping component, and a fine-tuning mechanism. The rotating support is fixed on the movable frame, and the rotating component is rotatably mounted on the rotating support. The rotation axes of the rotating components of the two clamping components are coaxial in the X-axis direction. The rotating component is provided with a fine-tuning slide rail, the axis of which is perpendicular to the rotation axis of the rotating component. The clamping component is slidably mounted on the fine-tuning slide rail. The comb blank is positioned between the clamping components of the two clamping components. The center plane of the comb blank in the thickness direction is parallel to the fine-tuning slide rail and located on the rotation axis of the rotating component. The fine-tuning mechanism is used to drive the clamping component to slide along the fine-tuning slide rail.

[0008] A rotating mechanism for driving the rotating parts of two sets of clamping assemblies to rotate synchronously;

[0009] A cutting mechanism is mounted on a base. The cutting mechanism includes a cutting disc and a rotary drive for driving the cutting disc to rotate. The cutting disc is located behind the comb blank and perpendicular to the X-axis.

[0010] Furthermore, the slide table includes an X-axis slide table and a Y-axis slide table. The X-axis slide table is mounted on the base, the Y-axis slide table is mounted on the X-axis slide table, and the movable frame is mounted on the Y-axis slide table. The X-axis slide table is provided with an X-axis lead screw motor that drives the Y-axis slide table to move along the X-axis direction, and the Y-axis slide table is provided with a Y-axis lead screw motor that drives the movable frame to move along the Y-axis direction.

[0011] Furthermore, the rotating mechanism includes a rotary motor, which is mounted on a rotating support of a clamping assembly to drive the rotating parts of the clamping assembly to rotate. The front parts of the rotating parts of the two sets of clamping assemblies are connected by a connecting rod.

[0012] Furthermore, the rotating support includes a rotating base plate and a rotating support fixed to the rotating base plate;

[0013] The movable frame is provided with a main slide rail extending along the X-axis, and the rotating base plate is slidably mounted on the main slide rail. The rotating base plate can be locked to the main slide rail by a locking member.

[0014] The rotating component is rotatably mounted on the rotating seat support;

[0015] The connecting rod is provided with a sliding groove extending along the X-axis direction. One end of the connecting rod is fixed to the front side of the rotating part of a set of clamping components, and the front side of the rotating part of another set of clamping components is provided with a sliding shaft adapted to the sliding groove.

[0016] Furthermore, a connecting sleeve is provided on one side of the rotating component, and the connecting sleeve is mounted on the rotating support component through a bearing. The output shaft of the rotating motor is connected to the connecting sleeve of the corresponding set of clamping components in a transmission connection.

[0017] Furthermore, the fine-tuning mechanism includes a micro motor, a gear, and a rack. The micro motor is mounted on the rotating component, the gear is coaxially mounted on the output shaft of the micro motor, and the rack is fixed on the clamping component. The gear and rack mesh.

[0018] Furthermore, a positioning seat is provided on the clamping member of a set of clamping components, and a positioning groove is provided on the side end of the positioning seat, and a first ejector pin is provided in the positioning groove;

[0019] Another set of clamping assemblies has a connecting seat on its clamping member, and a second ejector pin is provided on the side end of the connecting seat;

[0020] The comb blank is provided with a first connecting block and a second connecting block at both ends. The first connecting block is positioned in the positioning groove and has a first positioning hole for positioning the first ejector pin. The second connecting block has a second positioning hole for positioning the second ejector pin.

[0021] Furthermore, the positioning seat is provided with a first mounting hole extending along the X-axis, one end of the first mounting hole extends into the positioning groove, the first ejector pin is adapted to the first mounting hole, and a spring is provided between the inner end of the first ejector pin and the inner end of the first mounting hole.

[0022] Furthermore, the end of the connector is provided with a second mounting hole extending along the X-axis, the second ejector pin is adapted to the second mounting hole, the side of the connector is provided with a through groove extending along the second mounting hole and communicating with the side of the connector, the side of the second ejector pin is connected with a push rod that passes through the through groove, and the connector is threaded with a locking screw that can tighten the second ejector pin.

[0023] Furthermore, the rotary drive includes a drive motor, which is mounted on the base via a motor bracket, and the cutting disc is coaxially fixed on the output shaft of the drive motor.

[0024] The beneficial effects of this invention are reflected in:

[0025] This application utilizes a rotational drive to rotate a comb blank held between two sets of clamping components towards a cutting disc for tooth cutting. This allows the roots of the cut comb teeth to be arc-shaped. During tooth cutting, the comb blank can be moved along the X-axis by a slide table to align the cutting disc with the tooth cutting position on the comb blank. Simultaneously, the distance between the comb blank and the cutting disc can be adjusted by moving the comb blank along the Y-axis by the slide table, thereby controlling the tooth cutting depth. When cutting teeth on a comb with arc-shaped tooth roots, because the tooth roots are not on a straight line, the center positions of each arc-shaped tooth root will be different. The comb blank is fixed between the clamping components of the two sets of clamping components. During this process, the center plane of the comb blank in the thickness direction is parallel to the fine-tuning slide rail and located on the rotation axis of the rotating component. When the comb blank is rotated and cut into teeth at different positions, the comb blank can be driven to slide along the direction of the fine-tuning slide rail by the fine-tuning mechanism, so that the center of the arc root of each comb tooth is adjusted to the rotation axis. At the same time, the comb blank needs to be driven to move in the Y-axis direction by the slide table so that the distance between the edge of the front side of the cutting disk and the center of the arc root of each comb tooth is the same, thereby ensuring that the radius of the arc root of each comb tooth is the same. Only when these two conditions are met can the arc root of the comb blank formed after cutting teeth at different positions be the same.

[0026] Therefore, this application can directly process the arc tooth root when opening the comb teeth. After opening the teeth, the arc tooth root formed by each comb tooth has the same curvature. It only needs to be polished smooth. There is no need to manually process the arc tooth root, which improves efficiency and reduces costs. Attached Figure Description

[0027] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0028] Figure 1 This is a schematic diagram of the structure of a comb with rounded root teeth in the background art;

[0029] Figure 2 This is a top view of the comb tooth root opening device provided in an embodiment of the present invention;

[0030] Figure 3 for Figure 2 AA section view;

[0031] Figure 4 for Figure 2 BB section view;

[0032] Figure 5 This is a schematic diagram of the comb blank in an embodiment of the present invention;

[0033] Figure 6 This is a top view of the comb blank mounted on the clamping mechanism in an embodiment of the present invention;

[0034] Figure 7 for Figure 6 CC section view.

[0035] In the attached diagram, a-tooth root; 100-slide table; 110-X-axis slide table; 111-X-axis lead screw motor; 120-Y-axis slide table; 121-Y-axis lead screw motor; 200-moving frame; 210-main slide rail; 300-clamping assembly; 310-rotary support; 311-rotary seat base plate; 312-rotary seat support; 320-rotating component; 321-fine-tuning slide rail; 322-connecting sleeve; 323-bearing; 330-clamping component; 331-positioning seat; 3311-positioning groove; 3312-first ejector pin. ; 3313-First mounting hole; 3314-Spring; 332-Connecting seat; 3321-Second ejector pin; 3322-Second mounting hole; 3323-Push rod; 3324-Locking screw; 341-Micro motor; 342-Gear; 343-Rack; 410-Rotary motor; 420-Connecting rod; 500-Comb blank; 510-First connecting block; 520-Second connecting block; 600-Cutting mechanism; 610-Cutting disc; 620-Drive motor; 630-Motor bracket; 700-Base. Detailed Implementation

[0036] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0037] like Figures 2-7 As shown, an embodiment of the present invention provides a comb tooth root opening device, including a slide 100, a clamping mechanism, a rotating mechanism and a cutting mechanism 600.

[0038] The slide table 100 is mounted on the base 700, and a movable frame 200 is mounted on the slide table 100. The slide table 100 can drive the movable frame 200 to move in the X-axis and Y-axis directions, where the X-axis direction is the left and right direction and the Y-axis direction is the front and back direction.

[0039] Specifically, refer to Figure 2 and Figure 3 The slide 100 includes an X-axis slide 110 and a Y-axis slide 120. The X-axis slide 110 is mounted on the base 700, and the Y-axis slide 120 is mounted on the X-axis slide 110. The movable frame 200 is mounted on the Y-axis slide 120. The X-axis slide 110 is provided with an X-axis lead screw motor 111 for driving the Y-axis slide 120 to move along the X-axis direction, and the Y-axis slide 120 is provided with a Y-axis lead screw motor 121 for driving the movable frame 200 to move along the Y-axis direction.

[0040] The clamping mechanism comprises two clamping components 300 arranged opposite each other. Each clamping component 300 includes a rotating support 310, a rotating component 320, a clamping component 330, and a fine-tuning mechanism. The rotating support 310 is fixed on the movable frame 200, and the rotating component 320 is rotatably mounted on the rotating support 310. The rotation axes of the rotating components 320 of the two sets of clamping components 330 are coaxial in the X-axis direction. A fine-tuning slide rail 321 is provided on the rotating component 320, and the axis of the fine-tuning slide rail 321 is perpendicular to the rotation axis of the rotating component 320. The clamping component 330 is slidably mounted on the fine-tuning slide rail 321. The comb blank 500 is positioned between the clamping components 330 of the two sets of clamping components 300. The center plane of the comb blank 500 in the thickness direction is parallel to the fine-tuning slide rail 321 and located on the rotation axis of the rotating component 320.

[0041] In this embodiment, refer to Figure 6 and Figure 7 A set of clamping components 300 has a clamping member 330 with a positioning seat 331, a side positioning groove 3311, and a first ejector pin 3312 inside the positioning groove 3311; another set of clamping components 300 has a clamping member 330 with a connecting seat 332, and a second ejector pin 3321 inside the side of the connecting seat 332; the comb blank 500 has a first connecting block 510 and a second connecting block 520 at both ends, the first connecting block 510 is positioned in the positioning groove 3311, the first connecting block 510 has a first positioning hole for positioning the first ejector pin 3312, and the second connecting block 520 has a second positioning hole for positioning the second ejector pin 3321.

[0042] In this embodiment, the comb blank 500 can be processed into... Figure 5 As shown, when clamping, positioning, and cutting the teeth of the comb blank 500, the first ejector pin 3312 and the second ejector pin 3321 are respectively inserted into the first positioning hole and the second positioning hole at both ends of the comb blank 500. This facilitates the clamping and positioning of the comb blank 500 and ensures that the comb blank 500 is accurately positioned between the clamping members 330. At the same time, the first connecting block 510 on the comb blank 500 is inserted into the positioning groove 3311 on the positioning seat 331, which ensures that the comb blank 500 will not rotate when clamped between the clamping members 330. After the teeth of the comb blank 500 are cut, the first connecting block 510 and the second connecting block 520 at both ends can be cut off.

[0043] Continue to refer to Figure 6 and Figure 7The positioning base 331 has a first mounting hole 3313 extending along the X-axis. One end of the first mounting hole 3313 extends into the positioning groove 3311. The first ejector pin 3312 is fitted into the first mounting hole 3313. A spring 3314 is provided between the inner end of the first ejector pin 3312 and the inner end of the first mounting hole 3313. When installing the comb blank 500, in the initial state, the tip of the first ejector pin 3312 is pushed out of the positioning groove 3311 by the spring 3314. This makes it easy to align the first positioning hole at one end of the comb blank 500 with the tip of the first ejector pin 3312. During the process of inserting the first connecting block 510 at one end of the comb blank 500 into the positioning groove 3311, it will push the first ejector pin 3312 into the first mounting hole 3313. This will not hinder the insertion of the first connecting block 510 into the positioning groove 3311.

[0044] Furthermore, the end of the connecting seat 332 is provided with a second mounting hole 3322 extending along the X-axis, the second ejector pin 3321 is adapted to the second mounting hole 3322, the side of the connecting seat 332 is provided with a through groove extending along the second mounting hole 3322 and communicating with the side of the connecting seat 332, the side of the second ejector pin 3321 is connected with a push rod 3323 that passes through the through groove, and the connecting seat 332 is threaded with a locking screw 3324 that can tighten the second ejector pin 3321. When installing the comb blank 500, first place the tip of the first ejector pin 3312 into the first positioning hole at one end of the comb blank 500. Then, move the second ejector pin 3321 by the push rod 3323 so that the tip of the second ejector pin 3321 into the second positioning hole at the other end of the comb blank 500. After the second ejector pin 3321 presses the comb blank 500 tightly, tighten the locking screw 3324 to lock the second ejector pin 3321 into the connecting seat 332, thus achieving the fixed installation of the comb blank 500. After the comb blank 500 is toothed, loosen the locking screw 3324 and retract the second ejector pin 3321 to remove the comb.

[0045] The fine-tuning mechanism is used to drive the clamping member 330 to slide along the fine-tuning slide rail 321. In this embodiment, the fine-tuning mechanism includes a micro motor 341, a gear 342, and a rack 343. The micro motor 341 is mounted on the rotating member 320, the gear 342 is coaxially mounted on the output shaft of the micro motor 341, and the rack 343 is fixed on the clamping member 330. The gear 342 and the rack 343 mesh. By controlling the micro motor 341 to drive the gear 342 to rotate, the clamping member 330 can be driven to slide along the fine-tuning slide rail 321.

[0046] The rotating mechanism is used to drive the rotating parts 320 of the two sets of clamping assemblies 300 to rotate synchronously. Specifically, the rotating mechanism includes a rotary motor 410, which is mounted on a rotating support 310 of one clamping assembly 300 and is used to drive the rotating parts 320 of that clamping assembly 300 to rotate. The front parts of the rotating parts 320 of the two sets of clamping assemblies 300 are connected by a connecting rod 420. Since the rotating parts 320 of the two sets of clamping assemblies 300 are connected by the connecting rod 420, when the rotary motor 410 drives the rotating parts 320 of one set of clamping assemblies 300 to rotate, it will drive the rotating parts 320 of the other set of clamping assemblies 300 to rotate through the connecting rod 420, thereby ensuring that the rotating parts 320 of the two sets of clamping assemblies 300 rotate synchronously.

[0047] In this embodiment, refer to Figure 3 The rotating support 310 includes a rotating base plate 311 and a rotating support 312 fixed on the rotating base plate 311. The movable frame 200 is provided with a main slide rail 210 extending along the X-axis. The rotating base plate 311 is slidably mounted on the main slide rail 210. The rotating base plate 311 can be locked to the main slide rail 210 by a locking member, which can specifically be a screw-tightening structure. The rotating component 320 is rotatably mounted on the rotating support 312. The connecting rod 420 is provided with a sliding groove extending along the X-axis. One end of the connecting rod 420 is fixed to the front side of the rotating component 320 of a set of clamping assemblies 300, and the front side of the rotating component 320 of another set of clamping assemblies 300 is provided with a sliding shaft adapted to the sliding groove. The above design facilitates the adjustment of the distance between the two sets of clamping components 300 to meet the clamping processing of combs of different lengths. During adjustment, first loosen the locking piece, then slide the rotating support 310 along the main slide rail 210. When adjusting the rotating support 310, lock it in place by using the locking piece.

[0048] In order to realize the rotational connection between the rotating component 320 and the rotating support component 310 and the drive of the rotating component 320 by the rotary motor 410, a connecting sleeve 322 is provided on one side of the rotating component 320. The connecting sleeve 322 is mounted on the rotating support component 310 through the bearing 323. The output shaft of the rotary motor 410 is connected to the connecting sleeve 322 of the corresponding set of clamping components 300.

[0049] The cutting mechanism 600 is mounted on the base 700. The cutting mechanism 600 includes a cutting disc 610 and a rotary drive for driving the cutting disc 610 to rotate. The cutting disc 610 is located behind the comb blank 500 and perpendicular to the X-axis.

[0050] In this embodiment, refer to Figure 4The rotary drive includes a drive motor 620, which is mounted on the base 700 via a motor bracket 630. The cutting disc 610 is coaxially fixed on the output shaft of the drive motor 620.

[0051] This application uses a rotational drive to rotate a comb blank 500, which is held between clamping members 330 of two sets of clamping assemblies 300, towards a cutting disc 610 for cutting and toothing. This allows the roots of the cut comb teeth to be arc-shaped. During tooth cutting, the comb blank 500 can be moved in the X-axis direction by a slide table 100 to align the cutting disc 610 with the tooth cutting position on the comb blank 500. Simultaneously, the comb blank 500 can be moved in the Y-axis direction by the slide table 100 to adjust the distance between the comb blank and the cutting disc 610, thereby controlling the tooth cutting depth of the comb blank 500. When cutting teeth on a comb with arc-shaped tooth roots, since the tooth roots are not on a straight line, the center positions of each arc-shaped tooth root will be different. The comb blank 500 is fixed between the two sets of clamping assemblies 300. When the comb blank 500 is between the clamping parts 330, the center surface of the comb blank 500 in the thickness direction is parallel to the fine-tuning slide rail 321 and located on the rotation axis of the rotating part 320. When the comb blank 500 is rotated and cut into teeth at different positions, the comb blank 500 can be driven to slide along the direction of the fine-tuning slide rail 321 by the fine-tuning mechanism, so that the center of the arc tooth root of each tooth design is adjusted to the rotation axis. At the same time, the comb blank 500 needs to be driven to move in the Y-axis direction by the slide table 100 so that the distance between the front edge of the cutting disk 610 and the center of the arc tooth root of each comb tooth design is the same, thereby ensuring that the radius of the arc tooth root cut by each comb tooth is the same. Only when these two conditions are met can the arc of the arc tooth root formed after the comb blank 500 is cut into teeth at different positions be the same.

[0052] Therefore, this application can directly process the arc tooth root when opening the comb teeth. After opening the teeth, the arc tooth root formed by each comb tooth has the same curvature. It only needs to be polished smooth. There is no need to manually process the arc tooth root, which improves efficiency and reduces costs.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A comb tooth root opening device, characterized in that, include: A slide table is mounted on a base, and a movable frame is mounted on the slide table. The slide table can drive the movable frame to move in the X-axis and Y-axis directions, wherein the X-axis direction is the left-right direction and the Y-axis direction is the front-back direction. The clamping mechanism comprises two clamping components arranged opposite each other. Each clamping component includes a rotating support, a rotating component, a clamping component, and a fine-tuning mechanism. The rotating support is fixed on the movable frame, and the rotating component is rotatably mounted on the rotating support. The rotation axes of the rotating components of the two clamping components are coaxial in the X-axis direction. The rotating component is provided with a fine-tuning slide rail, the axis of which is perpendicular to the rotation axis of the rotating component. The clamping component is slidably mounted on the fine-tuning slide rail. The comb blank is positioned between the clamping components of the two clamping components. The center plane of the comb blank in the thickness direction is parallel to the fine-tuning slide rail and located on the rotation axis of the rotating component. The fine-tuning mechanism is used to drive the clamping component to slide along the fine-tuning slide rail. A rotating mechanism for driving the rotating parts of two sets of clamping assemblies to rotate synchronously; A cutting mechanism is mounted on a base. The cutting mechanism includes a cutting disc and a rotary drive for driving the cutting disc to rotate. The cutting disc is located behind the comb blank and perpendicular to the X-axis.

2. The comb tooth root opening device according to claim 1, characterized in that, The slide table includes an X-axis slide table and a Y-axis slide table. The X-axis slide table is mounted on the base, the Y-axis slide table is mounted on the X-axis slide table, and the movable frame is mounted on the Y-axis slide table. The X-axis slide table is provided with an X-axis lead screw motor that drives the Y-axis slide table to move along the X-axis direction, and the Y-axis slide table is provided with a Y-axis lead screw motor that drives the movable frame to move along the Y-axis direction.

3. The comb tooth root opening device according to claim 1, characterized in that, The rotating mechanism includes a rotary motor, which is mounted on a rotating support of a clamping assembly to drive the rotating parts of the clamping assembly to rotate. The front parts of the rotating parts of the two sets of clamping assemblies are connected by a connecting rod.

4. The comb tooth root opening device according to claim 3, characterized in that, The rotating support includes a rotating base plate and a rotating support fixed to the rotating base plate; The movable frame is provided with a main slide rail extending along the X-axis, and the rotating base plate is slidably mounted on the main slide rail. The rotating base plate can be locked to the main slide rail by a locking member. The rotating component is rotatably mounted on the rotating seat support; The connecting rod is provided with a sliding groove extending along the X-axis direction. One end of the connecting rod is fixed to the front side of the rotating part of a set of clamping components, and the front side of the rotating part of another set of clamping components is provided with a sliding shaft adapted to the sliding groove.

5. The comb tooth root opening device according to claim 3, characterized in that, A connecting sleeve is provided on one side of the rotating component. The connecting sleeve is mounted on the rotating support component through a bearing. The output shaft of the rotating motor is connected to the connecting sleeve of the corresponding set of clamping components.

6. The comb tooth root opening device according to claim 1, characterized in that, The fine-tuning mechanism includes a micro motor, a gear, and a rack. The micro motor is mounted on a rotating component, the gear is coaxially mounted on the output shaft of the micro motor, and the rack is fixed on the clamping component. The gear and rack mesh.

7. The comb tooth root opening device according to claim 1, characterized in that, A positioning seat is provided on the clamping member of a set of clamping assemblies, and a positioning groove is provided on the side end of the positioning seat, and a first ejector pin is provided in the positioning groove; Another set of clamping assemblies has a connecting seat on its clamping member, and a second ejector pin is provided on the side end of the connecting seat; The comb blank is provided with a first connecting block and a second connecting block at both ends. The first connecting block is positioned in the positioning groove and has a first positioning hole for positioning the first ejector pin. The second connecting block has a second positioning hole for positioning the second ejector pin.

8. The comb tooth root opening device according to claim 7, characterized in that, The positioning seat has a first mounting hole extending along the X-axis. One end of the first mounting hole extends into the positioning groove. The first ejector pin is adapted to the first mounting hole. A spring is provided between the inner end of the first ejector pin and the inner end of the first mounting hole.

9. The comb tooth root opening device according to claim 7, characterized in that, The end of the connector is provided with a second mounting hole extending along the X-axis. The second ejector pin is adapted to the second mounting hole. The side of the connector is provided with a through groove extending along the second mounting hole and communicating with the side of the connector. The side of the second ejector pin is connected to a push rod that passes through the through groove. The connector is threaded with a locking screw that can tighten the second ejector pin.

10. The comb tooth root opening device according to claim 1, characterized in that, The rotary drive includes a drive motor, which is mounted on a base via a motor bracket, and the cutting disc is coaxially fixed on the output shaft of the drive motor.

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