A grinding device for self-sharpening cutting edge tools

Abstract

The utility model discloses a grinding device for self-sharpening cutting edge tools, belonging to the technical field of tool grinding. A grinding device for self-sharpening cutting edge tools comprises a tool body and a grinding chamber, wherein the grinding chamber is located below the tool body, a rotating shaft and a turntable are arranged inside the grinding chamber, a motor is arranged on the side of the grinding chamber, one end of the rotating shaft extends to the outside of the grinding chamber and is connected to the motor, the turntable is fixed on the rotating shaft, a grinding wheel is arranged on one side of the turntable, and a limiting block is arranged on the other side of the turntable. In order to solve the problem that the grinding states on both sides of the cutting edge are easily different, thereby affecting the coating effect, the two turntables are pushed toward the middle by a spring, so that the grinding wheel clamps both sides of the cutting edge, and then the rotating shaft drives the turntable to rotate, and the turntable drives the grinding wheel to rotate to grind both sides of the cutting edge at the same time, thereby ensuring the consistency of the grinding on both sides of the cutting edge.

Description

Technical Field

[0001] The utility model relates to the technical field of tool grinding, in particular to a grinding device for self-sharpening cutting edge tools. Background Art

[0002] Self-sharpening tools, also known as self-sharpening tools or self-cutting tools, are tools with automatic sharpening function. Its main feature is that during the cutting process, the cutting edge of the tool is automatically sharpened through the relative movement between the tool and the workpiece, thereby maintaining the sharpness of the tool and improving cutting efficiency and processing quality. For agricultural tools, by coating the blade surface with specific materials and performing appropriate heat treatment, the difference in wear resistance on both sides of the blade can be adjusted, thereby achieving self-sharpening and extending the service life.

[0003] When a tool is coated to improve its performance, the shape and quality of the cutting edge will directly affect the adhesion and effect of the coating. Therefore, it is very necessary to perform precise cutting edge grinding before coating. When grinding the cutting edge of an existing self-sharpening tool, generally one side of the cutting edge is first ground in an open state, and then the other side of the cutting edge is ground. There is a problem that the grinding states of the two sides of the cutting edge are different, thus affecting the coating effect. Therefore, it does not meet the existing needs. A grinding device for self-sharpening cutting edge tools is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding device for self-sharpening cutting tools, which pushes two turntables toward the middle through a spring, so that the two grinding wheels are moved toward the middle, and the cutting edge of the tool body is located between the grinding wheels, so that the grinding wheels clamp both sides of the cutting edge, and then the rotating shaft drives the turntable to rotate, and the turntable drives the grinding wheel to rotate to perform grinding operations on both sides of the cutting edge, which can solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for a self-sharpening cutting tool, comprising a tool body and a grinding chamber, wherein the grinding chamber is located below the tool body, a rotating shaft and a turntable are arranged inside the grinding chamber, a motor is arranged on the side of the grinding chamber, one end of the rotating shaft extends to the outside of the grinding chamber and is connected to the motor, the turntable is fixed on the rotating shaft, a grinding wheel is arranged on one side of the turntable, and a limiting block is arranged on the other side of the turntable, a slider is arranged above the tool body, a track and a top plate are arranged above the slider, the track is installed below the top plate, the slider is installed on the track, and a groove and a through hole are arranged at the bottom of the slider.

[0006] Preferably, the upper end of the tool body is located inside the slider, and the lower end of the tool body is located between two oppositely disposed grinding wheels.

[0007] Preferably, the grinding wheel is mounted on the side of the turntable, the limit block is fixed on the rotating shaft, a spring is arranged between the limit block and the turntable, and the spring is sleeved on the rotating shaft.

[0008] Preferably, a cylinder is provided on both sides of the slider, a push rod is provided on the side of the cylinder, a clamping plate is provided at one end of the push rod, and the other end of the push rod is connected to the cylinder, the clamping plate is located inside the groove, and the push rod is located inside the through hole.

[0009] Preferably, a feed groove and a water inlet pipe are provided on one side of the grinding chamber, a drainage groove is provided on one side of the grinding chamber, a water retaining bar is provided above the feed groove, and the water retaining bar is connected to the grinding chamber.

[0010] Preferably, one end of the water inlet pipe extends into the interior of the grinding chamber, and the other end of the water inlet pipe is connected to an external coolant tank.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model fixes a spring on a limit block, and the spring pushes the turntable to move along the rotating axis toward the tool body, so that two oppositely arranged grinding wheels move toward the tool body at the same time, so that the two grinding wheels clamp the cutting edge of the tool body, and then the rotating axis drives the turntable to rotate, and the turntable drives the grinding wheel to rotate, and at the same time the slider drives the tool body to reciprocate along the track, so that both sides of the cutting edge of the tool body are ground at the same time, ensuring the consistency of grinding on both sides of the cutting edge and improving the self-sharpening of the tool body.

[0013] 2. The utility model arranges two water retaining bars above the knife feed edge of the grinding chamber, and the tool body passes through the middle of the two water retaining bars and enters the interior of the grinding chamber. The water retaining bars are made of flexible rubber material and can wrap around both sides of the tool body. When the tool body is grinding, the coolant first enters the interior of the grinding chamber from the water inlet pipe and cools the high-speed rotating grinding wheel. The coolant is then discharged from the grinding chamber from the drainage trough. The water retaining bars prevent the coolant from spraying from the knife feed groove to the outside of the grinding chamber, thereby avoiding the problem of coolant splashing everywhere and polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is a partial cross-sectional view of the grinding chamber of the utility model;

[0016] Figure 3 It is a schematic diagram of the local structure of the slider of the utility model;

[0017] Figure 4 It is a schematic diagram of the local structure of the grinding chamber of the utility model.

[0018] In the figure: 1. grinding chamber; 101. water retaining bar; 102. feed groove; 103. drainage groove; 2. tool body; 3. slider; 301. track; 302. top plate; 303. groove; 304. through hole; 4. cylinder; 401. push rod; 402. clamping plate; 5. motor; 6. rotating shaft; 601. spring; 602. limit block; 7. water inlet pipe; 8. turntable; 801. grinding wheel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to solve the problem that the grinding conditions on both sides of the cutting edge are different, thus affecting the coating effect, please refer to Figure 1-4 The utility model provides an embodiment: a grinding device for a self-sharpening cutting tool, comprising a cutting tool body 2, and a grinding chamber 1, wherein the grinding chamber 1 is located below the cutting tool body 2, a rotating shaft 6 and a turntable 8 are arranged inside the grinding chamber 1, a motor 5 is arranged on the side of the grinding chamber 1, one end of the rotating shaft 6 extends to the outside of the grinding chamber 1 and is connected to the motor 5, the turntable 8 is fixed on the rotating shaft 6, a grinding wheel 801 is arranged on one side of the turntable 8, a limiting block 602 is arranged on the other side of the turntable 8, and a grinding wheel 801 is arranged on the upper side of the cutting tool body 2. A slider 3 is provided, a track 301 and a top plate 302 are provided above the slider 3, the track 301 is installed under the top plate 302, the slider 3 is installed on the track 301, a groove 303 and a through hole 304 are provided at the lower part of the slider 3, a cylinder 4 is provided on both sides of the slider 3, a push rod 401 is provided on the side of the cylinder 4, a clamping plate 402 is provided at one end of the push rod 401, and the other end of the push rod 401 is connected to the cylinder 4, the clamping plate 402 is located inside the groove 303, and the push rod 401 is located inside the through hole 304.

[0021] Gas is injected into the cylinder 4 to extend the push rod 401 , thereby driving the clamping plates 402 to extend, so that the two clamping plates 402 clamp the upper end of the tool body 2 .

[0022] The lower end of the tool body 2 is located between two oppositely arranged grinding wheels 801, the grinding wheel 801 is installed on the side of the turntable 8, the limit block 602 is fixed on the rotating shaft 6, and a spring 601 is arranged between the limit block 602 and the turntable 8, and the spring 601 is sleeved on the rotating shaft 6.

[0023] The spring 601 is fixed on the limit block 602, and the spring 601 pushes the turntable 8 to move along the rotating shaft 6 toward the tool body 2, so that the two oppositely arranged grinding wheels 801 move toward the tool body 2 at the same time, so that the two grinding wheels 801 clamp the cutting edge of the tool body 2, and then the motor 5 controls the rotating shaft 6 to rotate, and the rotating shaft 6 drives the turntable 8 to rotate, and the turntable 8 drives the grinding wheel 801 to rotate, and at the same time the slider 3 drives the tool body 2 to reciprocate along the track 301, so that both sides of the cutting edge of the tool body 2 are ground at the same time, ensuring the consistency of the grinding on both sides of the cutting edge, improving the self-sharpening property of the tool body 2, and further ensuring the quality and stability of the tool.

[0024] A feed groove 102 and a water inlet pipe 7 are provided on one side of the grinding chamber 1, a drainage groove 103 is provided on one side of the grinding chamber 1, a water retaining bar 101 is provided above the feed groove 102, the water retaining bar 101 is connected to the grinding chamber 1, one end of the water inlet pipe 7 extends into the interior of the grinding chamber 1, and the other end of the water inlet pipe 7 is connected to the external coolant tank.

[0025] The tool body 2 passes through the middle of two water retaining bars 101 and enters the interior of the grinding chamber 1. The water retaining bars 101 are made of flexible rubber material and can wrap around both sides of the tool body 2. When the tool body 2 is being ground, the coolant first enters the interior of the grinding chamber 1 from the water inlet pipe 7 and cools down the high-speed rotating grinding wheel 801. The coolant is then discharged from the grinding chamber 1 from the drain groove 103. The water retaining bars 101 prevent the coolant from spraying from the tool feed groove 102 to the outside of the grinding chamber 1, thereby avoiding the problem of coolant splashing everywhere to pollute the environment, improving the working environment of the workers, and further reducing the risk of work-related injuries and occupational diseases.

[0026] Working principle: the cylinder 4 pushes the clamping plate 402 to clamp and fix the upper end of the tool body 2, the slider 3 drives the tool body 2 to move, so that the cutting edge of the tool body 2 is between the two grinding wheels 801, and the spring 601 pushes the grinding wheel 801 to clamp the cutting edge of the tool body 2. At this time, the motor 5 controls the rotation shaft 6 to rotate, and the rotation shaft 6 drives the grinding wheel 801 to rotate. At the same time, the slider 3 drives the tool body 2 to move back and forth along the track 301, so that both sides of the cutting edge of the tool body 2 are ground at the same time; at the same time, the coolant first enters the interior of the grinding chamber 1 from the water inlet pipe 7, and cools down the high-speed rotating grinding wheel 801, and then is discharged from the grinding chamber 1 from the drainage groove 103.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for a self-sharpening cutting tool, comprising a cutting tool body (2), characterized in that: The tool further comprises a grinding chamber (1), wherein the grinding chamber (1) is located below the tool body (2), a rotating shaft (6) and a rotating disk (8) are arranged inside the grinding chamber (1), a motor (5) is arranged on the side of the grinding chamber (1), one end of the rotating shaft (6) extends to the outside of the grinding chamber (1) and is connected to the motor (5), the rotating disk (8) is fixed on the rotating shaft (6), a grinding wheel (801) is arranged on one side of the rotating disk (8), and a limit block (602) is arranged on the other side of the rotating disk (8), a slider (3) is arranged above the tool body (2), a track (301) and a top plate (302) are arranged above the slider (3), the track (301) is installed below the top plate (302), the slider (3) is installed on the track (301), and a groove (303) and a through hole (304) are arranged at the bottom of the slider (3).

2. A grinding device for a self-sharpening cutting tool according to claim 1, characterized in that: The upper end of the tool body (2) is located inside the slider (3), and the lower end of the tool body (2) is located between two grinding wheels (801) that are arranged opposite to each other.

3. A grinding device for a self-sharpening cutting tool according to claim 1, characterized in that: The grinding wheel (801) is mounted on the side of the rotating disk (8), the limiting block (602) is fixed on the rotating shaft (6), a spring (601) is arranged between the limiting block (602) and the rotating disk (8), and the spring (601) is sleeved on the rotating shaft (6).

4. A grinding device for a self-sharpening cutting tool according to claim 1, characterized in that: Cylinders (4) are provided on both sides of the slider (3), push rods (401) are provided on the sides of the cylinders (4), a clamping plate (402) is provided at one end of the push rod (401), and the other end of the push rod (401) is connected to the cylinder (4), the clamping plate (402) is located inside the groove (303), and the push rod (401) is located inside the through hole (304).

5. A grinding device for a self-sharpening cutting tool according to claim 1, characterized in that: A feed groove (102) and a water inlet pipe (7) are provided on one side of the grinding chamber (1), a drainage groove (103) is provided on one side of the grinding chamber (1), a water retaining bar (101) is provided above the feed groove (102), and the water retaining bar (101) is connected to the grinding chamber (1).

6. A grinding device for a self-sharpening cutting tool according to claim 5, characterized in that: One end of the water inlet pipe (7) extends into the interior of the grinding chamber (1), and the other end of the water inlet pipe (7) is connected to an external coolant tank.

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