Numerical control arc cutting edge grinding equipment

Abstract

The utility model discloses numerical control arc cutting edge grinding equipment which comprises a grinding head angle adjusting mechanism and a cutter fixing mechanism, the grinding head angle adjusting mechanism comprises a driving module and a movable plate, the driving module comprises a first executing mechanism and a driving wheel, and the driving wheel and the movable plate are connected in a meshed mode through a gear structure; the driving wheel is used for driving the movable plate to reciprocate along the end face of the movable plate, the other end face of the movable plate is provided with a grinding module, the grinding module comprises a second executing mechanism and a grinding head, the cutter fixing mechanism comprises a cutter fixing jig and a cutting edge reversing device, the cutter fixing jig is used for adsorbing a cutter, and the cutting edge reversing device is used for reversing the cutter. And the cutting edge reversing device is used for enabling different cutting edge surfaces to face the grinding head. The grinding angle of the grinding head can be adjusted in real time in the direction surrounding the cutting edge, so that the cutting edge can be ground into an arc shape, in the grinding process, the equipment can automatically change the face of the cutting edge, manual intervention is not needed, and the grinding efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment, and more specifically to a CNC arc-shaped cutting edge grinding equipment. Background Technology

[0002] Automatic knife sharpening equipment is a device that fixes a knife with its cutting edge facing upwards and automatically grinds the cutting edge through a grinding head. Modern knives have increasingly complex shapes and contours, and many knives have unique cutting edge angles and curves. During the sharpening process, the angle of the grinding head needs to be constantly adjusted to achieve different requirements.

[0003] Existing automatic tool sharpening equipment cannot adjust the angle of the grinding head in real time. When sharpening tools with different angles or different angular parts on the same tool, operators may need to disassemble and re-clamp the tool multiple times to change the relative angle between the tool and the grinding head, thus reducing sharpening efficiency. Furthermore, because the grinding head cannot adjust its angle in real time, it is difficult to accurately sharpen along these complex contours, resulting in deviations between the sharpened tool shape and design requirements, affecting the tool's cutting performance and machining quality. Finally, if the grinding head cannot adjust its angle in real time, even small angular deviations will gradually accumulate during sharpening if not adjusted promptly. This will cause the tool's cutting edge angle to gradually deviate from the ideal value, ultimately leading to inaccurate cutting angles and reduced tool cutting efficiency and lifespan.

[0004] In addition, existing automatic knife sharpening equipment typically uses clamping arms to hold the knife from the bottom to both sides of the blade to fix it. However, this method cannot provide effective support for the knife itself during high-intensity grinding, which may cause the knife to fall out of the fixture during the grinding process, resulting in damage to the knife or injury to the operator. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a CNC arc-shaped cutting edge grinding device, comprising a grinding head angle adjustment mechanism and a tool fixing mechanism. The grinding head angle adjustment mechanism includes a drive module and a movable plate. The drive module includes a first actuator and a drive wheel. The drive wheel and the movable plate are connected by a gear structure. The drive wheel drives the movable plate to reciprocate along its end face. A grinding module is disposed on the other end face of the movable plate. The grinding module includes a second actuator and a grinding head. The second actuator drives the grinding head to rotate. The tool fixing mechanism includes a tool fixing fixture and a blade reversing device. The tool fixing fixture is used to hold the tool, and the blade reversing device is used to orient different blade surfaces toward the grinding head.

[0006] Furthermore, the tool fixing fixture includes a fixing base, on which a first groove and a suction hole are provided. The suction hole is used to attract the tool to the side wall of the fixing base by suction force, and the first groove is used to wrap the back of the tool and the handle of the tool.

[0007] Furthermore, there are two tool fixing fixtures, which are arranged in a mirror image of each other. A connecting seat is provided between the tool fixing fixtures, and the tool fixing fixtures form a shaft connection on opposite sides of the connecting seat.

[0008] Furthermore, the blade reversing device includes a drive motor, which is fixed on a connecting base. A telescopic rod is connected to the drive motor, and one end of the telescopic rod is fixed to the side of the tool fixing fixture away from the suction hole.

[0009] Furthermore, an arc-shaped gear rack is fixed on the end face of the movable plate, and one end of the driving wheel meshes with the arc-shaped gear rack. When the driving wheel rotates, it drives the movable plate to perform an arc-shaped reciprocating oscillating motion with the center of the arc-shaped gear rack as the axis.

[0010] Furthermore, the first actuator includes a first rotary motor and a speed-changing mechanism. The speed-changing mechanism is used to reduce the output speed of the first rotary motor according to a preset transmission ratio. The drive wheel and the speed-changing mechanism mesh with each other.

[0011] Furthermore, the speed change mechanism includes a speed reducer connected to the output end of the first rotary motor. A first transmission gear is connected to the output end of the speed reducer. The output speed of the first rotary motor is reduced by the speed reducer and then drives the first transmission gear to rotate through the output end of the speed reducer. The first transmission gear is meshed with a second transmission gear, and the second transmission gear rotates synchronously with the drive wheel through a connecting rod.

[0012] Furthermore, the second actuator includes a support and a second rotary motor. The support is connected to the end face of the movable plate, the second rotary motor is fixed to the side of the support away from the movable plate, and the grinding head is connected to the output end of the second rotary motor.

[0013] Furthermore, a first moving device is provided between the support and the movable plate. The first moving device is used to drive the support and the second rotary motor to move linearly along the end face of the movable plate.

[0014] Furthermore, the first moving device includes a third rotary motor and a first transmission screw, the first transmission screw being fixed to the end face of the movable plate, and the support base forming a screw connection with the first transmission screw.

[0015] Furthermore, a first guide rail is provided on both sides of the first transmission screw, and the laying direction of the first guide rail is the same as that of the first transmission screw. The support seat is snapped onto the first guide rail. The drive module is surrounded by a housing. A second guide rail is provided on both sides of the arc-shaped gear rack, and the curvature of the second guide rail is the same as that of the arc-shaped gear rack. A snap-fit ​​seat that cooperates with the second guide rail is provided on the side of the housing facing the movable plate.

[0016] Furthermore, a second moving device is also connected to the connecting seat. The second moving device includes a frame, on which a second transmission screw and a fourth rotary motor are arranged. The second transmission screw is laid on the top of the frame, and the fourth rotary motor is used to drive the second transmission screw to rotate. A sliding seat is sleeved on the second transmission screw. When the second transmission screw rotates, the sliding seat can move along the second transmission screw. A lifting motor is arranged on the top of the sliding seat, and the connecting seat is connected below the lifting motor.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This application uses a drive module to drive a movable plate to reciprocate along its end face, enabling the grinding head to swing at a preset angle. This allows for real-time adjustment of the grinding angle around the blade during grinding, thus allowing the blade to be ground into different shapes according to different customer requirements. Furthermore, this application utilizes a blade reversing device, which automatically reverses the grinding head to another surface after grinding one side of the blade, without requiring manual intervention. This significantly improves grinding efficiency and reduces the possibility of injury to personnel during operation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the tool fixing mechanism of this utility model;

[0022] Figure 3 This is a cross-sectional view of the tool fixing mechanism of this utility model;

[0023] Figure 4This is a schematic diagram of the overall structure of the grinding head angle adjustment mechanism of this utility model;

[0024] Figure 5 This is a schematic diagram of the overall structure of the grinding head angle adjustment mechanism of this utility model from another angle;

[0025] Figure 6 This is a schematic diagram of the assembly of the drive wheel and the arc-shaped gear rack of this utility model;

[0026] Figure 7 This is a schematic diagram of the first execution structure of the present invention;

[0027] Figure 8 This is a schematic diagram of the structure of the second actuator and the first moving device of this utility model;

[0028] Figure 9 This is a schematic diagram of the assembly of the shell and the movable plate of this utility model.

[0029] Figure 10 This is a schematic diagram of the structure of the second moving device of this utility model.

[0030] The reference numerals and names in the figure are as follows:

[0031] Grinding head angle adjustment mechanism 10, tool fixing mechanism 20, tool fixing fixture 400, blade reversing device 500, fixing base 410, first groove 411, suction hole 412, connecting base 420, drive motor 510, telescopic rod 520, drive module 100, movable plate 200, first actuator 110, drive wheel 120, grinding module 300, second actuator 310, grinding head 320, arc-shaped gear rack 210, first rotary motor 111, speed change mechanism 112 Reducer 112a, first transmission gear 112b, second transmission gear 112c, connecting rod 112d, support seat 311, second rotary motor 312, first moving device 330, third rotary motor 331, first transmission screw 332, first guide rail 333, housing 130, second guide rail 220, snap-fit ​​seat 131, second moving device 600, frame 610, second transmission screw 620, fourth rotary motor 630, sliding seat 640, lifting motor 650. Detailed Implementation

[0032] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0033] The present invention will now be described in more detail. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected to" another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them.

[0034] In the description of this utility model, it should be noted that directional terms such as "front, back, up, down, left, right," "horizontal, vertical, horizontal," and "top, bottom," indicating directions or positional relationships, are generally based on the directions or positional relationships shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself. In the description of this utility model, it should be noted that the use of terms such as "first" and "second" to define components is merely for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this utility model. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0035] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention.

[0036] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0037] The preferred embodiments of this utility model will now be further described with reference to the accompanying drawings. Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a CNC arc-shaped cutting edge grinding machine includes a grinding head angle adjustment mechanism 10 and a tool fixing mechanism 20. The grinding head angle adjustment mechanism 10 includes a drive module 100 and a movable plate 200. The drive module 100 is disposed on the end face of the movable plate 200. The drive module 100 includes a first actuator 110 and a drive wheel 120. The first actuator 110 is used to drive the drive wheel 120 to rotate. The drive wheel 120 and the movable plate 200 are connected by a gear structure. 120 is used to drive the movable plate 200 to reciprocate along its end face. A grinding module 300 is arranged on the other end face of the movable plate 200. The grinding module 300 includes a second actuator 310 and a grinding head 320. The second actuator 310 is used to drive the grinding head 320 to rotate. The tool fixing mechanism 20 includes a tool fixing fixture 400 and a blade reversing device 500. The tool fixing fixture 400 is used to hold the tool. The blade reversing device 500 is used to orient different blade surfaces toward the grinding head 320.

[0038] In the working state of this embodiment, the tool fixing fixture 400 first fixes the tool head in a preset position, aligns the grinding head 320 with one side of the blade, and then activates the second actuator 310 to drive the grinding head 320 to rotate and grind the blade. When it is necessary to adjust the grinding angle, the second actuator 310 is activated to drive the drive wheel 120 to rotate. Since the drive wheel 120 and the movable plate 200 are meshed and connected, when the drive wheel 120 rotates, it will drive the movable plate 200 to reciprocate along the end face of the movable plate 200, thereby driving the grinding head 320 to swing at a preset angle, thereby achieving the effect of adjusting the grinding angle. After the grinding head 320 has finished grinding one side of the blade, the blade reversing device 500 is activated to turn the other side of the blade toward the grinding head 320, and then the second actuator 310 is activated to drive the grinding head 320 to rotate and grind the blade.

[0039] This application uses a drive module 100 to drive a movable plate 200 to reciprocate along its end face, thereby enabling the grinding head 320 to swing at a preset angle. This allows for real-time adjustment of the grinding angle around the blade during grinding, enabling the blade to be ground into different shapes according to different customer requirements. Furthermore, this application utilizes a blade reversing device 500, which automatically reverses the direction of the grinding head 320 after grinding one side of the blade, allowing it to continue grinding on the other side without manual intervention. This significantly improves grinding efficiency and reduces the possibility of injury to personnel during operation.

[0040] Furthermore, based on the above embodiments, such as Figure 2As shown, the tool fixing fixture 400 includes a fixing base 410. A first groove 411 and a suction hole 412 are provided on the side wall of the fixing base 410. The suction hole 412 is used to adsorb the tool onto the side wall of the fixing base 410 by suction. Preferably, an adhesive strip is provided in the first groove 411. The first groove 411 is used to wrap the back and handle of the tool, with only the cutting edge exposed outside the first groove 411, so as to facilitate grinding by the grinding head 320. The first groove 411 can effectively support the back and handle of the tool, so that the tool can be more securely fixed when the grinding head 320 grinds the cutting edge.

[0041] Furthermore, based on the above embodiments, such as Figure 2 and Figure 3 As shown, there are two tool fixing fixtures 400, which are arranged in a mirror image of each other. A connecting seat 420 is provided between the tool fixing fixtures 400. The tool fixing fixtures 400 are axially connected to each other on opposite sides of the connecting seat 420. In this way, the side of the tool fixing fixture 400 with the suction hole 412 can rotate in opposite directions along the axial direction on the connecting seat 420.

[0042] Furthermore, based on the above embodiments, such as Figure 2 and Figure 3 As shown, the blade reversing device 500 includes a drive motor 510, which is fixed on the connecting base 420. A telescopic rod 520 is connected to the drive motor 510. One end of the telescopic rod 520 is fixed to the side of the tool fixing fixture 400 away from the suction hole 412. In the normal state of this embodiment, the tool is attracted to the side wall of the fixing base 410 by the suction force of the suction hole 412, and the blade is exposed outside the first groove 411, which facilitates the grinding head 320 to grind the blade. After one side of the blade is ground, the drive motor 510 is started to drive the telescopic rod 520 to rotate. The retraction rod 520 extends forward, causing the tool holder 400 to rotate axially towards each other on the connecting seat 420 until the sides of the tool holder 400 with suction holes 412 come into contact with each other. Then, the initial suction of the tool holder 400 is released, and the suction device of another tool holder 400 (not shown in the figure) is activated, thereby switching the tool from the tool holder 400 to another mirror-set tool holder 400. During this process, the cutting edge completes the mirror reversal, so that the other side of the cutting edge can face the grinding head 320.

[0043] Furthermore, based on the above embodiments, combined with Figures 4 to 6As shown, an arc-shaped gear rack 210 is fixed on the end face of the movable plate 200. One end of the drive wheel 120 meshes with the arc-shaped gear rack 210. When the drive wheel 120 rotates, it drives the movable plate 200 to perform an arc-shaped reciprocating oscillating motion around the center of the arc-shaped gear rack 210. Thus, in the operation of this embodiment, when the grinding head 320 grinds the blade, the second actuator 310 is activated to drive the drive wheel 120 to rotate. The grinding head 320 can perform an arc-shaped reciprocating motion within a preset angle range (e.g., within ±20 degrees), forming a pendulum-like motion trajectory, thereby grinding the blade into an arc shape.

[0044] Furthermore, based on the above embodiments, combined with Figure 4 and Figure 7 As shown, the first actuator 110 includes a first rotary motor 111 and a speed change mechanism 112. The speed change mechanism 112 is used to reduce the output speed of the first rotary motor 111 according to a preset transmission ratio. The drive wheel 120 and the speed change mechanism 112 mesh with each other. The speed change mechanism 112 can reduce the high speed of the first rotary motor 111 and then transmit it to the drive wheel 120, so that the drive wheel 120 can more accurately control the deflection angle of the movable plate 200, thereby enabling the grinding head 320 to more accurately adjust the grinding angle.

[0045] In some implementations, such as Figure 7 As shown, the speed change mechanism 112 includes a speed reducer 112a, which is connected to the output end of the first rotary motor 111. A first transmission gear 112b is connected to the output end of the speed reducer 112a. The output speed of the first rotary motor 111 is reduced by the speed reducer 112a and then drives the first transmission gear 112b to rotate through the output end of the speed reducer. The first transmission gear 112b is meshed with a second transmission gear 112c. The second transmission gear 112c rotates synchronously with the drive wheel 120 through the connecting rod 112d. When a speed reduction output is required, the speed reducer 112a is used to reduce the output speed of the first rotary motor 111 for the first time. Then, the final speed output is achieved by setting the gear ratio between the first transmission gear 112b and the first transmission gear 112b.

[0046] Furthermore, based on the above embodiments, such as Figure 8As shown, the second actuator 310 includes a support 311 and a second rotary motor 312. The support 311 is connected to the end face of the movable plate 200, and the second rotary motor 312 is fixed to the side of the support 311 away from the movable plate 200. The grinding head 320 is connected to the output end of the second rotary motor 312. When it is necessary to continue grinding the blade, the second rotary motor 312 is started to drive the grinding rotation.

[0047] In some implementations, such as Figure 8 As shown, a first moving device 330 is provided between the support 311 and the movable plate 200. The first moving device 330 is used to drive the support 311 and the second rotary motor 312 to move linearly along the end face of the movable plate 200. In this way, when the preset position of the blade is fixed is far away from the movable plate 200, the first moving device 330 can drive the support 311 and the second rotary motor 312 to move as a whole toward the blade, so that the grinding head 320 can contact the blade. Or, during the grinding process, when grinding irregular blades, the distance between the grinding head 320 and the blade can also be adjusted by the first moving device 330.

[0048] Furthermore, based on the above embodiments, such as Figure 8 As shown, the first moving device 330 includes a third rotary motor 331 and a first transmission screw 332. The first transmission screw 332 is fixed on the end face of the movable plate 200. The support seat 311 is connected to the first transmission screw 332. When the third rotary motor 331 is started, it drives the first transmission screw 332 to rotate, thereby driving the support seat 311 to move along the first transmission screw 332, thereby enabling the support seat 311 and the second rotary motor 312 to move linearly along the end face of the movable plate 200.

[0049] In some implementations, such as Figure 8 As shown, first guide rails 333 are provided on both sides of the first transmission screw 332. The laying direction of the first guide rails 333 is the same as that of the first transmission screw 332. The support seat 311 is engaged with the first guide rails 333. In this way, when the support seat 311 moves along the first transmission screw 332, the first guide rails 333 can play an auxiliary guiding role in the moving direction of the support seat 311.

[0050] In some implementations, such as Figure 5 and Figure 9As shown, the drive module 100 is surrounded by a housing 130. Second guide rails 220 are provided on both sides of the arc-shaped gear rack 210. The curvature of the second guide rails 220 is the same as that of the arc-shaped gear rack 210. A locking seat 131 that cooperates with the second guide rails 220 is provided on the side of the housing 130 facing the movable plate 200. In this way, the drive wheel 120 drives the movable plate 200 to perform an arc-shaped reciprocating oscillating motion with the center of the arc-shaped gear rack 210 as the axis. The second guide rails 220 are locked onto the locking seat 131, thereby playing an auxiliary guiding role in the movement direction of the movable plate 200.

[0051] In some implementations, such as Figure 10 As shown, a second moving device 600 is also connected to the connecting seat 420. The second moving device 600 includes a frame 610, on which a second transmission screw 620 and a fourth rotary motor 630 are arranged. The second transmission screw 620 is laid on the top of the frame 610. The fourth rotary motor 630 is used to drive the second transmission screw 620 to rotate. A sliding seat 640 is sleeved on the second transmission screw 620. When the second transmission screw 620 rotates, the sliding seat 640 can move along the second transmission screw 620. A lifting motor 650 is arranged on the top of the sliding seat 640. The connecting seat 420 is connected below the lifting motor 650. Thus, the fourth rotary motor 630 and the lifting motor 650 can be used to drive the connecting seat 420 to move laterally and longitudinally, thereby moving the cutting head to a preset position for grinding by the grinding head 320.

[0052] The details of the above exemplary embodiments are provided, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of the present invention is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all changes falling within the meaning and scope of equivalents of the claims be included within the present invention.

Claims

1. A CNC arc-shaped cutting edge grinding device, characterized in that, The device includes a grinding head angle adjustment mechanism (10) and a tool fixing mechanism (20). The grinding head angle adjustment mechanism (10) includes a drive module (100) and a movable plate (200). The drive module (100) includes a first actuator (110) and a drive wheel (120). The drive wheel (120) and the movable plate (200) are connected by a gear structure. The drive wheel (120) is used to drive the movable plate (200) to reciprocate along its end face. A grinding module is arranged on the other end face of the movable plate (200). (300), the drive module (100) is disposed on the end face of the movable plate (200), the grinding module (300) includes a second actuator (310) and a grinding head (320), the second actuator (310) is used to drive the grinding head (320) to rotate, the tool fixing mechanism (20) includes a tool fixing fixture (400) and a blade reversing device (500), the tool fixing fixture (400) is used to adsorb the tool, and the blade reversing device (500) is used to orient different blade surfaces toward the grinding head (320).

2. The CNC arc-shaped cutting edge grinding equipment according to claim 1, characterized in that, The tool fixing fixture (400) includes a fixing seat (410), on which a first groove (411) and a suction hole (412) are provided. The suction hole (412) is used to adsorb the tool onto the side wall of the fixing seat (410) by suction force. The first groove (411) is used to wrap the back of the tool and the handle of the tool.

3. The CNC arc-shaped cutting edge grinding equipment according to claim 2, characterized in that, There are two tool fixing fixtures (400), which are arranged in a mirror image of each other. A connecting seat (420) is provided between the tool fixing fixtures (400), and the tool fixing fixtures (400) form a shaft connection on opposite sides of the connecting seat (420).

4. The CNC arc-shaped cutting edge grinding equipment according to claim 3, characterized in that, The blade reversing device (500) includes a drive motor (510), which is fixed on a connecting seat (420). A telescopic rod (520) is connected to the drive motor (510), and one end of the telescopic rod (520) is fixed on the side of the tool fixing fixture (400) away from the suction hole (412).

5. The CNC arc-shaped cutting edge grinding equipment according to claim 1, characterized in that, An arc-shaped gear rack (210) is fixed on the end face of the movable plate (200). One end of the drive wheel (120) meshes with the arc-shaped gear rack (210). When the drive wheel (120) rotates, it drives the movable plate (200) to perform an arc-shaped reciprocating oscillating motion with the center of the arc-shaped gear rack (210) as the axis.

6. The CNC arc-shaped cutting edge grinding equipment according to claim 5, characterized in that, The first actuator (110) includes a first rotary motor (111) and a speed change mechanism (112). The speed change mechanism (112) is used to reduce the output speed of the first rotary motor (111) according to a preset transmission ratio. The drive wheel (120) and the speed change mechanism (112) mesh with each other.

7. The CNC arc-shaped cutting edge grinding equipment according to claim 6, characterized in that, The speed change mechanism (112) includes a speed reducer (112a), which is connected to the output end of the first rotary motor (111). A first transmission gear (112b) is connected to the output end of the speed reducer (112a). The output speed of the first rotary motor (111) is reduced by the speed reducer (112a) and then drives the first transmission gear (112b) to rotate through the output end of the speed reducer (112a). The first transmission gear (112b) is meshed with a second transmission gear (112c). The second transmission gear (112c) rotates synchronously with the drive wheel (120) through the connecting rod (112d).

8. The CNC arc-shaped cutting edge grinding equipment according to claim 1, characterized in that, The second actuator (310) includes a support (311) and a second rotary motor (312). The support (311) is connected to the end face of the movable plate (200). The second rotary motor (312) is fixed to the side of the support (311) away from the movable plate (200). The grinding head (320) is connected to the output end of the second rotary motor (312).

9. The CNC arc-shaped cutting edge grinding equipment according to claim 8, characterized in that, A first moving device (330) is provided between the support (311) and the movable plate (200). The first moving device (330) is used to drive the support (311) and the second rotary motor (312) to move linearly along the end face of the movable plate (200).

10. The CNC arc-shaped cutting edge grinding equipment according to claim 9, characterized in that, The first moving device (330) includes a third rotary motor (331) and a first transmission screw (332). The first transmission screw (332) is fixed on the end face of the movable plate (200), and the support (311) and the first transmission screw (332) form a screw connection.

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