Arc cutter grinding device

Abstract

The utility model relates to the technical field of arc cutter machining, and discloses an arc cutter grinding device. Comprising a base, a fixing frame is fixedly connected to the interior of the base, a motor is fixedly connected to the interior of the fixing frame, an output shaft of the motor extends to the position above the fixing frame and is fixedly connected with a grinding disc, a sliding block is arranged on the upper surface of the base in a sliding mode, and a connecting base is fixedly connected to the top end of the sliding block. When the motor controls the grinding disc to rotate, the grinding disc facilitates follow-up grinding treatment on the arc cutter, the rotating screw drives the first threaded ring and the clamping plate to move downwards so that the arc cutter can be clamped, follow-up stability of the arc cutter can be improved, the anti-skid rubber pad can prevent slipping, and the grinding disc can be used for grinding the arc cutter conveniently. The stable plate slides along the side wall of the supporting plate so that the downward moving stability of the clamping plate can be improved, the movable seat rotates along the fixed cylinder so that the angles of the supporting plate and the arc cutter can be adjusted, and different-angle grinding adjustment can be conveniently conducted on the arc cutter.

Description

Technical Field

[0001] The utility model relates to the technical field of arc knife processing, in particular to an arc knife grinding device. Background Art

[0002] A circular knife has an arc-shaped blade and is mostly used in circles and round indentations. It is a tool used for cutting and processing materials. It is usually used for woodworking, metal processing or carving and cutting of other materials. Its blade is arc-shaped, and it is more labor-saving to move the knife horizontally. It can adapt to large ups and downs and small changes, and can produce a smooth curve cutting effect during the processing process.

[0003] In the prior art, during the processing of the arc knife, the edge of the arc knife is set to an arc shape, which makes it inconvenient to adjust the arc knife during grinding, resulting in the grinding disc being unable to fully contact the edge of the arc knife, which affects the grinding quality of the edge of the arc knife. Therefore, the utility model designs a circular knife grinding device. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that in the process of circular arc knife processing, the edge of the circular arc knife is set to an arc shape, which makes it inconvenient to adjust the circular arc knife during grinding, resulting in the grinding disc being unable to fully contact with the edge of the circular arc knife, thus affecting the grinding quality of the edge of the circular arc knife, and proposes a circular arc knife grinding device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A circular arc knife grinding device comprises a base, a fixing frame is fixedly connected to the inside of the base, a motor is fixedly connected to the inside of the fixing frame, the output shaft of the motor extends to the top of the fixing frame and is fixedly connected to a grinding disc, a slider is slidably provided on the upper surface of the base, the top of the slider is fixedly connected to a connecting seat, the top of the connecting seat is fixedly connected to an adjusting cylinder, a movable seat is fixedly sleeved on the cylinder wall of the adjusting cylinder, the top of the movable seat is fixedly connected to a support plate, the inner wall of the top of the support plate is rotatably connected to a screw, a clamping plate is provided above the support plate, a first threaded ring is fixedly connected to the inside of the clamping plate, and the screw is threadedly connected to the inner wall of the first threaded ring.

[0007] Preferably, a non-slip rubber pad is fixedly connected to the bottom of the splint, a stabilizing plate is fixedly connected to the side wall of the splint, a stabilizing block is fixedly connected to the side wall of the support plate, a strip opening is opened on the inner wall of the stabilizing plate, and the stabilizing block is slidably arranged on the inner wall of the strip opening.

[0008] Preferably, an opening is provided at the bottom of the movable seat, and the side wall of the connecting seat is slidably arranged on the inner wall of the movable seat located at the opening.

[0009] Preferably, a fixed cylinder is fixedly connected to the side wall of the movable seat, an insert block is slidably provided on the inner wall of the fixed cylinder, a spring is fixedly connected to the inner wall of the fixed cylinder, the spring is pressed against the side wall of the insert block, a slot is opened on the cylinder wall of the adjusting cylinder, and the insert block is plugged into the inner wall of the adjusting cylinder located in the slot.

[0010] Preferably, a pull rod is fixedly connected to the connection between the insert block and the spring, and one end of the pull rod facing away from the insert block extends to the outside of the fixing tube.

[0011] Preferably, a groove is provided on the inner wall of the slider, a rotating cylinder is provided on the inner wall of the slider located in the groove, a second threaded ring is fixedly connected to the inner wall of the slider, an adjusting rod is slidably provided inside the rotating cylinder, a thread is provided on the bottom end rod wall of the adjusting rod and is threadedly connected to the inner wall of the second threaded ring, a rectangular groove is provided on the inner wall of the rotating cylinder, a shift block is fixedly connected to the rod wall of the adjusting rod and extends to the inner wall of the rotating cylinder located in the rectangular groove.

[0012] Preferably, a slip ring is fixedly connected to the cylinder wall of the rotating cylinder, an annular groove is opened on the inner wall of the groove where the sliding block is located, the slip ring is slidably arranged on the inner wall of the annular groove, and an adjusting paddle is fixedly connected to the top side wall of the rotating cylinder.

[0013] Preferably, a rectangular groove is opened on the inner wall of the top end of the base, a movable block is fixedly connected to the bottom of the slider, the movable block is slidably set on the inner wall of the rectangular groove, a moving rod is fixedly connected to the side wall of the movable block, and the rod wall of the moving rod passes through the base.

[0014] Preferably, a plurality of metal wear-resistant ferrules are fixedly connected to the rod wall of the movable rod, a cavity is opened on the inner wall of the base, a chuck is slidably provided on the inner wall of the cavity, and the chuck is clamped on the inner wall of the metal wear-resistant ferrule.

[0015] Preferably, a rotating handle is fixedly connected to the side wall of the chuck, and the rotating handle extends to the outside of the base.

[0016] Compared with the prior art, the utility model provides a circular arc knife grinding device, which has the following beneficial effects:

[0017] 1. The arc knife grinding device controls the grinding disc to rotate through a motor so that the grinding disc is convenient for subsequent grinding of the arc knife. The arc knife can be clamped by rotating the screw rod to drive the first threaded ring and the clamping plate to move downward, thereby improving the subsequent stability of the arc knife. The anti-skid rubber pad can prevent slipping. The stabilizing plate slides along the side wall of the support plate to improve the stability of the clamping plate moving downward. The movable seat rotates along the fixed cylinder to adjust the angle of the support plate and the arc knife, thereby facilitating grinding and adjusting the arc knife at different angles.

[0018] 2. The circular knife grinding device drives the rotating drum and the connecting seat to rotate by turning the adjusting paddle. The rotation of the rotating drum drives the paddle block and the adjusting rod to rotate, so that the thread on the adjusting rod wall rotates and moves along the inner wall of the second threaded ring, so that the connecting seat rotates with the adjusting rod, so that the support plate and the circular knife can rotate, and rotation adjustment is performed during grinding, and the slip ring improves the stability of the rotating drum.

[0019] 3. The arc knife grinding device can improve the stability of the movement of the slider by sliding the movable block along the inner wall of the rectangular groove. The movable block can be pushed and pulled for adjustment by moving the movable rod. The handle is subsequently rotated to clamp the chuck tightly inside the metal wear-resistant sleeve, so that the movable rod is stably set on the inner wall of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a circular arc knife grinding device proposed by the utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure of the partial B in the middle is enlarged;

[0023] Figure 4 for Figure 1 A schematic diagram of the structure of the local C part in the middle;

[0024] Figure 5 for Figure 4 A three-dimensional diagram of the structure of the middle chuck.

[0025] In the figure: 1 base, 2 fixed frame, 3 motor, 4 grinding disc, 5 slider, 6 connecting seat, 7 adjusting cylinder, 8 movable seat, 9 support plate, 10 clamping plate, 11 first threaded ring, 12 screw, 13 anti-skid rubber pad, 14 stabilizing plate, 15 stabilizing block, 16 fixed cylinder, 17 insert block, 18 spring, 19 pull rod, 20 rotating cylinder, 21 second threaded ring, 22 adjusting rod, 23 dial block, 24 slider, 25 adjusting dial, 26 movable block, 27 moving rod, 28 metal wear-resistant sleeve, 29 chuck, 30 rotating handle. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Embodiment 1

[0028] Reference Figure 1-5A circular arc knife grinding device comprises a base 1, a fixing frame 2 is fixedly connected inside the base 1, a motor 3 is fixedly connected inside the fixing frame 2, an output shaft of the motor 3 extends to the top of the fixing frame 2 and is fixedly connected to a grinding disc 4, a slider 5 is slidably provided on the upper surface of the base 1, a connecting seat 6 is fixedly connected to the top of the sliding block 5, an adjusting cylinder 7 is fixedly connected to the top of the connecting seat 6, a movable seat 8 is fixedly sleeved on the cylinder wall of the adjusting cylinder 7, a support plate 9 is fixedly connected to the top of the movable seat 8, a screw 12 is rotatably connected to the inner wall of the top of the support plate 9, a clamping plate 10 is provided above the support plate 9, a first threaded ring 11 is fixedly connected to the inside of the clamping plate 10, and the screw 12 is threadedly connected to the inner wall of the first threaded ring 11.

[0029] A non-slip rubber pad 13 is fixedly connected to the bottom of the splint 10, a stabilizing plate 14 is fixedly connected to the side wall of the splint 10, a stabilizing block 15 is fixedly connected to the side wall of the support plate 9, a strip-shaped opening is provided on the inner wall of the stabilizing plate 14, the stabilizing block 15 is slidably arranged on the inner wall of the strip-shaped opening, an opening is provided at the bottom of the movable seat 8, and a side wall of the connecting seat 6 is slidably arranged on the inner wall of the movable seat 8 located at the opening.

[0030] A fixed cylinder 16 is fixedly connected to the side wall of the movable seat 8, an insert block 17 is slidably provided on the inner wall of the fixed cylinder 16, a spring 18 is fixedly connected to the inner wall of the fixed cylinder 16, the spring 18 is pressed against the side wall of the insert block 17, a slot is provided on the cylinder wall of the adjusting cylinder 7, the insert block 17 is plugged into the inner wall of the adjusting cylinder 7 located in the slot, a pull rod 19 is fixedly connected to the connection between the insert block 17 and the spring 18, and the end of the pull rod 19 facing away from the insert block 17 extends to the outside of the fixed cylinder 16.

[0031] During use, the grinding disc 4 can be controlled to rotate through the motor 3, so that the grinding disc 4 is convenient for the subsequent grinding of the arc knife. The rotating screw 12 drives the first threaded ring 11 and the clamping plate 10 to move downward, so as to clamp the arc knife, and the subsequent stability of the arc knife can be improved. The anti-slip rubber pad 13 can prevent slipping. The stabilizing plate 14 slides along the side wall of the support plate 9 to improve the stability of the downward movement of the clamping plate 10. The movable seat 8 rotates along the fixed cylinder 16 to adjust the angle of the support plate 9 and the arc knife, so as to facilitate the grinding and adjustment of the arc knife at different angles. The spring 18 can push the plug block 17 to extend into the interior of the slot, so as to improve the stability of the movable seat 8 on the wall of the fixed cylinder 7. Subsequently, pulling the pull rod 19 can make the plug block 17 shrink to the interior of the fixed cylinder 16, so that the movable seat 8 can be flexibly adjusted on the adjustment cylinder 7.

[0032] Embodiment 2

[0033] Reference Figure 1-5A groove is provided on the inner wall of the slider 5, and a rotating cylinder 20 is provided on the inner wall of the slider 5 located in the groove. A second threaded ring 21 is fixedly connected to the inner wall of the slider 5. An adjusting rod 22 is slidably provided inside the rotating cylinder 20. The bottom end rod wall of the adjusting rod 22 is provided with a thread and is threadedly connected to the inner wall of the second threaded ring 21. A rectangular groove is provided on the inner wall of the rotating cylinder 20, and a shift block 23 is fixedly connected to the rod wall of the adjusting rod 22 and extends to the inner wall of the rotating cylinder 20 located in the rectangular groove. A slip ring 24 is fixedly connected to the cylinder wall of the rotating cylinder 20. An annular slide groove is provided on the inner wall of the slider 5 located in the groove, and the slip ring 24 is slidably arranged on the inner wall of the annular slide groove. An adjusting paddle 25 is fixedly connected to the top side wall of the rotating cylinder 20.

[0034] Turning the adjusting paddle 25 can drive the rotating drum 20 and the connecting seat 6 to rotate. The rotation of the rotating drum 20 can drive the shift block 23 and the adjusting rod 22 to rotate, so that the thread on the rod wall of the adjusting rod 22 can rotate and move along the inner wall of the second threaded ring 21, so that the connecting seat 6 can rotate with the adjusting rod 22, and the support plate 9 and the arc knife can rotate, and rotation adjustment can be performed during grinding, and the slip ring 24 can improve the stability of the rotating drum 20.

[0035] Embodiment 3

[0036] Reference Figure 1-5 A rectangular groove is provided on the inner wall of the top of the base 1, and a movable block 26 is fixedly connected to the bottom of the slider 5. The movable block 26 is slidably set on the inner wall of the rectangular groove. A moving rod 27 is fixedly connected to the side wall of the movable block 26. The rod wall of the moving rod 27 penetrates the base 1, and a plurality of metal wear-resistant ferrules 28 are fixedly connected to the rod wall of the moving rod 27. A cavity is provided on the inner wall of the base 1, and a chuck 29 is slidably provided on the inner wall of the base 1 located in the cavity. The chuck 29 is clamped on the inner wall of the metal wear-resistant ferrule 28, and a rotating handle 30 is fixedly connected to the side wall of the chuck 29, which extends to the outside of the base 1.

[0037] The movable block 26 slides along the inner wall of the rectangular groove to improve the stability of the movement of the slider 5. The movement of the movable rod 27 can push and pull the movable block 26 for adjustment. The subsequent rotation of the handle 30 allows the chuck 29 to be clamped inside the metal wear-resistant sleeve 28, so that the movable rod 27 can be stably set on the inner wall of the base 1.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A circular knife grinding device, comprising a base (1), characterized in that: The base (1) is fixedly connected to a fixing frame (2) inside, and a motor (3) is fixedly connected to the fixing frame (2) inside. The output shaft of the motor (3) extends to the top of the fixing frame (2) and is fixedly connected to a grinding disc (4). A slider (5) is slidably provided on the upper surface of the base (1). The top of the slider (5) is fixedly connected to a connecting seat (6). The top of the connecting seat (6) is fixedly connected to an adjusting cylinder (7). A movable seat (8) is fixedly sleeved on the cylinder wall of the adjusting cylinder (7). The top of the movable seat (8) is fixedly connected to a supporting plate (9). The inner wall of the top of the supporting plate (9) is rotatably connected to a screw rod (12). A clamping plate (10) is provided above the supporting plate (9). The inside of the clamping plate (10) is fixedly connected to a first threaded ring (11). The screw rod (12) is threadedly connected to the inner wall of the first threaded ring (11).

2. The arc knife grinding device according to claim 1, characterized in that: The bottom of the clamping plate (10) is fixedly connected with an anti-skid rubber pad (13), the side wall of the clamping plate (10) is fixedly connected with a stabilizing plate (14), the side wall of the support plate (9) is fixedly connected with a stabilizing block (15), the inner wall of the stabilizing plate (14) is provided with a strip opening, and the stabilizing block (15) is slidably arranged on the inner wall of the strip opening.

3. The arc knife grinding device according to claim 1, characterized in that: The bottom of the movable seat (8) is provided with an opening, and the side wall of the connecting seat (6) is slidably arranged on the inner wall of the movable seat (8) located at the opening.

4. The arc knife grinding device according to claim 1, characterized in that: A fixed cylinder (16) is fixedly connected to the side wall of the movable seat (8), an insert block (17) is slidably provided on the inner wall of the fixed cylinder (16), a spring (18) is fixedly connected to the inner wall of the fixed cylinder (16), the spring (18) is pressed against the side wall of the insert block (17), a slot is provided on the cylinder wall of the adjusting cylinder (7), and the insert block (17) is plugged into the inner wall of the adjusting cylinder (7) located in the slot.

5. The arc knife grinding device according to claim 4, characterized in that: A pull rod (19) is fixedly connected to the connection between the insert block (17) and the spring (18), and one end of the pull rod (19) facing away from the insert block (17) extends to the outside of the fixed tube (16).

6. The arc knife grinding device according to claim 1, characterized in that: The inner wall of the slider (5) is provided with a groove, the inner wall of the slider (5) located in the groove is provided with a rotating cylinder (20), the inner wall of the slider (5) is fixedly connected with a second threaded ring (21), an adjusting rod (22) is slidably provided inside the rotating cylinder (20), the rod wall at the bottom end of the adjusting rod (22) is provided with a thread and is threadedly connected to the inner wall of the second threaded ring (21), the inner wall of the rotating cylinder (20) is provided with a rectangular groove, the rod wall of the adjusting rod (22) is fixedly connected with a shifting block (23) and extends to the inner wall of the rotating cylinder (20) located in the rectangular groove.

7. The arc knife grinding device according to claim 6, characterized in that: A slip ring (24) is fixedly connected to the wall of the rotating cylinder (20); an annular sliding groove is provided on the inner wall of the groove where the sliding block (5) is located; the slip ring (24) is slidably arranged on the inner wall of the annular sliding groove; and an adjusting paddle (25) is fixedly connected to the top side wall of the rotating cylinder (20).

8. The arc knife grinding device according to claim 1, characterized in that: A rectangular groove is formed on the inner wall of the top end of the base (1); a movable block (26) is fixedly connected to the bottom of the slider (5); the movable block (26) is slidably arranged on the inner wall of the rectangular groove; a moving rod (27) is fixedly connected to the side wall of the moving block (26); and the rod wall of the moving rod (27) passes through the base (1).

9. The arc knife grinding device according to claim 8, characterized in that: A plurality of metal wear-resistant ferrules (28) are fixedly connected to the rod wall of the movable rod (27); a cavity is formed on the inner wall of the base (1); a chuck (29) is slidably provided on the inner wall of the cavity of the base (1); and the chuck (29) is clamped on the inner wall of the metal wear-resistant ferrule (28).

10. The arc knife grinding device according to claim 9, characterized in that: A rotating handle (30) is fixedly connected to the side wall of the chuck (29), and the rotating handle (30) extends to the outside of the base (1).

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