Rapid and efficient cutting edge opening device for circular blade

By designing a rapid and efficient opening device for the circular blade cutting edge, the problem of blade angle adjustment was solved, grinding efficiency and precision were improved, operation was simplified, and the cutting performance of the blade was ensured.

CN223519273UActive Publication Date: 2025-11-07NANJING JINGFENG KNIFE CO LTD
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Patent Information

Application Number
CN202423264322.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing blade opening machines cannot achieve precise adjustment of the blade angle, resulting in low grinding efficiency, insufficient precision, and increased operational complexity.

Method used

A device for quickly and efficiently opening the blade edge of a circular blade was designed, comprising an adjustment component and a limiting component. It can adjust the opening and grinding angle and prevent deviation, and uses a motor to drive the grinding wheel to precisely grind the blade.

Benefits of technology

It enables precise adjustment of the blade's tilt angle, improves grinding efficiency and accuracy, simplifies the operation process, and ensures the cutting performance of the blade.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of round blade machining, and discloses a round blade edge fast and efficient opening device which comprises a base, the top of the base is provided with an adjusting assembly convenient to adjust the opening polishing angle and a limiting assembly preventing deviation, the adjusting assembly comprises a fixing base, the fixing base is fixed to the top of the base, and the limiting assembly is fixed to the top of the base. According to the rapid and efficient opening device for the circular blade edge, the adjusting assembly, the rotating fixing seat, the fixing rod and the L-shaped plate are arranged to synchronously turn over, the surface of the blade abuts against the surface of the grinding wheel, and the side, close to a third motor, of a sliding seat moves, so that a first spring is compressed, a second motor is started to rotate forwards, and the third motor rotates reversely; and along with thinning of the blade edge part, the spring I is gradually released and recovered, so that the blade can be always attached to the surface of the grinding wheel, opening and grinding can be conveniently carried out, and the cutting edge can generate a cutting inclined angle.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circular blade processing technical field, concretely to a kind of circular blade knife edge quick and efficient opening device. BACKGROUND

[0002] During tool production process, the cutting edge needs to be ground. Currently, the blade opening machine on the market, when using, first uses fixture to fix the blade, and then adjusts the grinding wheel to grind the blade by hand.

[0003] According to a kind of annular blade sharpening device, (publication number: CN208132575U), the above-mentioned application adjusts the installation position of fixed main shaft in position adjusting groove, can adapt to the sharpening demand of different specifications of annular blade, improves the practicability of the device.

[0004] The device can only adjust in the horizontal direction when actually opening and grinding the blade, and cannot adjust the angle of the blade. However, in tool manufacturing, the cutting edge part usually needs to be inclined to ensure the sharpness and cutting efficiency of the blade. Since the device lacks angle adjustment function, it cannot accurately control the inclination angle of the cutting edge, thereby affecting the cutting performance of the blade. Since the angle cannot be adjusted, the operator needs to manually adjust the position and angle of the grinding wheel repeatedly during the grinding process, which not only increases the complexity of operation, but also reduces the grinding efficiency. At the same time, manual adjustment may also result in insufficient grinding accuracy, affecting the final quality of the blade. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of circular blade knife edge quick and efficient opening device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of circular blade knife edge quick and efficient opening device, including base, the top of the base is provided with the adjusting assembly of the angle of opening and polishing for facilitating adjustment and the limiting component of preventing deviation, the adjusting assembly includes:

[0007] Fixed seat, the fixed seat is fixed on the top of base, the surface of the fixed seat is rotatably connected with rotating rod, the rotating rod penetrates fixed seat, the rotating rod penetrates stable seat, and rotating rod and stable seat are fixedly connected, the top of the stable seat is fixed with fixed rod, the top of the fixed rod is fixed with L-shaped plate, the surface of the L-shaped plate is fixed with motor three.

[0008] Preferably, the adjusting assembly further comprises a fixed plate, the output shaft of the third motor penetrates through the fixed plate, and the fixed plate is fixedly connected with the output shaft of the third motor, the surface of the fixed plate is fixedly connected with a spring, the end of the spring away from the fixed plate is fixedly connected with a sliding seat, the sliding seat is penetrated by the output shaft of the third motor, and the sliding seat is slidingly connected with the output shaft of the third motor, the surface of the sliding seat is provided with a thread, the surface of the sliding seat is threadedly connected with a bolt, and the bolt is provided between the sliding seat and the sliding seat. The surface of the blade is in contact with the surface of the grinding wheel, at this time, the side of the sliding seat close to the third motor moves, the second motor is started in the forward direction, and the third motor is reversed, so that the grinding wheel can open and grind the blade. With the thinning of the blade edge, the spring is gradually released and recovered, so that the blade is always in contact with the surface of the grinding wheel.

[0009] Preferably, the limiting assembly comprises a fixed ring, the surface of the fixed seat is fixedly connected with the fixed ring, the inner portion of the fixed ring is provided with a cavity, the inner wall of the cavity is rotatably connected with a rotating plate, the surface of the rotating plate is provided with a connecting hole, the inner wall of the connecting hole is in contact with a short rod, the surface of the short rod is fixedly connected with a clamping block, the surface of the clamping block is fixedly connected with a spring, the end of the spring away from the clamping block is fixedly connected with the inner wall of the cavity, the surface of the rotating plate is provided with a clamping groove, the surface of the fixed seat is fixedly connected with a connecting block, the surface of the connecting block is provided with a sliding groove, the inner wall of the sliding groove is slidingly connected with an L-shaped block, the surface of the L-shaped block is fixedly connected with a spring, the end of the spring away from the L-shaped block is fixedly connected with the inner wall of the sliding groove, the end of the L-shaped block away from the spring is fixedly connected with a plug rod, the end of the plug rod away from the L-shaped block penetrates through the fixed ring, the surface of the rotating plate is provided with a plug slot, and the end of the L-shaped block away from the spring penetrates through the connecting block. When the stabilizing seat rotates, the rotating rod rotates synchronously, the inner wall of the clamping groove is in contact with the surface of the clamping block, and the spring, the short rod, the connecting hole and the rotating plate can make the short rods and the clamping blocks move radially synchronously, reciprocate into the clamping groove, release the L-shaped block, release the spring, drive the plug rod into the plug slot, and limit the rotating plate, thereby limiting the short rods, the clamping blocks and the rotating rod.

[0010] Preferably, the top of the base is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a first motor, the output shaft of the first motor penetrates through the supporting column, the inner side of the supporting column is rotatably connected with a screw rod, the output shaft of the first motor is fixedly connected with the top of the screw rod, the screw rod penetrates through a threaded block, the threaded block is threadedly connected with the screw rod, the threaded block is slidingly connected with the inner side of the supporting column, the surface of the threaded block is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a second motor, and the output shaft of the second motor is fixedly connected with a grinding wheel. Start the first motor in the forward direction or in the reverse direction, so as to drive the threaded block, the bottom plate, the second motor and the grinding wheel to adjust the height.

[0011] Preferably, the cross section of the end of the clamping block away from the spring is triangular, and when the rotating rod rotates, the inner wall of the clamping groove abuts against the surface of the clamping block, so that the clamping block enters the cavity and does not affect the normal rotation of the rotating rod.

[0012] Preferably, the connecting hole is arranged in an arc shape, so that the short rod and the clamping block can move radially synchronously when the rotating plate rotates.

[0013] Compared with the prior art, the utility model provides a kind of quick and efficient opening device of round blade edge, with the following beneficial effects:

[0014] 1、the quick and efficient opening device of round blade edge, by being provided with adjusting assembly, rotating fixed seat, fixed rod, L-shaped plate synchronous overturn, blade surface and abrasive wheel surface abut, sliding seat moves to the side of motor three, i.e.

[0015] 2、the quick and efficient opening device of round blade edge, by being provided with limiting component, when rotating stabilizing seat, rotating rod synchronous rotation, the inner wall of clamping groove abuts against the surface of clamping block, by spring two, short rod, connecting hole, rotating plate, i.e. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is front view structural schematic diagram of the utility model;

[0017] Figure 2 It is side view structural schematic diagram of the utility model;

[0018] Figure 3 It is front view structural schematic diagram of the utility model working state;

[0019] Figure 4 It is part adjusting assembly explosion structural schematic diagram of the utility model;

[0020] Figure 5 It is part adjusting assembly, limiting component front view structural schematic diagram of the utility model;

[0021] Figure 6 It is part adjusting assembly, limiting component internal structure schematic diagram of the utility model;

[0022] Figure 7The utility model discloses a part adjusting assembly and position limiting assembly explosion section structure schematic view.

[0023] In the figure: 1, base; 2, support column; 3, motor one; 4, screw; 5, threaded block; 6, bottom plate; 7, motor two; 10, grinding wheel; 8, adjusting assembly; 80, fixed seat; 81, rotating rod; 82, stabilizing seat; 83, fixed rod; 84, L-shaped plate; 85, motor three; 86, fixed plate; 87, sliding seat; 88, bolt; 89, spring one; 800, blade; 9, position limiting assembly; 90, fixed ring; 91, cavity; 92, rotating plate; 93, connecting hole; 94, short rod; 95, clamping block; 96, spring two; 97, clamping groove; 98, connecting block; 99, sliding groove; 900, L-shaped block; 901, spring three; 902, inserting rod; 903, inserting groove. DETAILED DESCRIPTION

[0024] As Figures 1-7 shown, the utility model provides a technical scheme: a kind of round blade knife edge rapid and efficient opening device, the top of base 1 is provided with the adjusting assembly 8 of the opening polishing angle of facilitating adjustment and the position limiting assembly 9 of preventing deviation, adjusting assembly 8 includes: fixed seat 80, rotating rod 81, stabilizing seat 82, fixed rod 83, L-shaped plate 84, motor three 85, fixed plate 86, sliding seat 87, bolt 88, spring one 89, blade 800.

[0025] The fixed seat 80 is fixed at the top of the base 1, the surface of the fixed seat 80 is rotationally connected with the rotating rod 81, the rotating rod 81 penetrates through the fixed seat 80, the rotating rod 81 penetrates through the fixed seat 80, the rotating rod 81 penetrates through the stabilizing seat 82, and the rotating rod 81 is fixedly connected with the stabilizing seat 82, the top of the stabilizing seat 82 is fixedly connected with the fixed rod 83, the top of the fixed rod 83 is fixedly connected with the L-shaped plate 84, the surface of the L-shaped plate 84 is fixedly connected with the motor three 85, the adjusting assembly 8 further comprises a fixed plate 86, the fixed plate 86 is penetrated by the output shaft of the motor three 85, and the fixed plate 86 is fixedly connected with the output shaft of the motor three 85, the surface of the fixed plate 86 is fixedly connected with the spring one 89, one end of the spring one 89 away from the fixed plate 86 is fixedly connected with the sliding seat 87, the sliding seat 87 is penetrated by the output shaft of the motor three 85, and the sliding seat 87 is slidingly connected with the output shaft of the motor three 85, the surface of the sliding seat 87 is provided with a thread, the surface of the sliding seat 87 is screw-connected with the bolt 88, the knife blade 800 is arranged between the bolt 88 and the sliding seat 87, the rotating fixed seat 80, the fixed rod 83 and the L-shaped plate 84 are synchronously flipped, the surface of the knife blade 800 is in contact with the surface of the grinding wheel 10, at this time, the side of the sliding seat 87 close to the motor three 85 moves, so that the spring one 89 is compressed, the motor two 7 is started in the forward direction, the motor three 85 is reversed, so that the grinding wheel 10 opens and grinds the knife blade 800, along with the thinning of the blade of the knife blade 800, the spring one 89 is gradually released and recovered, so that the knife blade 800 is always attached to the surface of the grinding wheel 10, and the opening and grinding are facilitated.

[0026] The limiting assembly 9 comprises a fixed ring 90 fixed on the surface of the fixed seat 80, a cavity 91 is formed in the inner wall of the fixed ring 90, a rotating plate 92 is rotatably connected to the inner wall of the cavity 91, a connecting hole 93 is formed in the surface of the rotating plate 92, a short rod 94 is in contact with the inner wall of the connecting hole 93, a clamping block 95 is fixed on the surface of the short rod 94, a spring 96 is fixed on the surface of the clamping block 95, the other end of the spring 96 away from the clamping block 95 is fixed on the inner wall of the cavity 91, a clamping groove 97 is formed in the surface of the rotating rod 81, a connecting block 98 is fixed on the surface of the fixed seat 80, a sliding groove 99 is formed in the surface of the connecting block 98, an L-shaped block 900 is slidably connected to the inner wall of the sliding groove 99, a spring 901 is fixed on the surface of the L-shaped block 900, the other end of the spring 901 away from the L-shaped block 900 is fixed on the inner wall of the sliding groove 99, an insertion rod 902 is fixed on the end of the L-shaped block 900 away from the spring 901, the end of the insertion rod 902 away from the L-shaped block 900 penetrates through the fixed ring 90, an insertion groove 903 is formed in the surface of the rotating plate 92, the end of the L-shaped block 900 away from the spring 901 penetrates through the connecting block 98, the end of the clamping block 95 away from the spring 96 is triangular in cross section, the connecting hole 93 is arc-shaped, when the stabilizing seat 82 rotates, the rotating rod 81 rotates synchronously, the inner wall of the clamping groove 97 is in contact with the surface of the clamping block 95, through the spring 96, the short rod 94, the connecting hole 93 and the rotating plate 92, the short rods 94 and the clamping blocks 95 can move radially synchronously, and reciprocally enter the clamping groove 97, which will not affect the normal rotation of the rotating rod 81, the L-shaped block 900 is loosened, the spring 901 is released, the L-shaped block 900 drives the insertion rod 902 to enter the insertion groove 903, and the rotating plate 92 is limited, so that the short rods 94, the clamping blocks 95 and the rotating rod 81 are limited, and the stabilizing seat 82 and the blade 800 are stabilized.

[0027] The top of the base 1 is fixed with a support column 2, the top of the support column 2 is fixed with a motor one 3, the output shaft of the motor one 3 penetrates through the support column 2, the inner side of the support column 2 is rotatably connected with a screw rod 4, the output shaft of the motor one 3 is fixed on the top of the screw rod 4, the screw rod 4 penetrates through a threaded block 5, the threaded block 5 is threadedly connected with the screw rod 4, the threaded block 5 is slidably connected on the inner side of the support column 2, the surface of the threaded block 5 is fixed with a bottom plate 6, the top of the bottom plate 6 is fixed with a motor two 7, the output shaft of the motor two 7 is fixed with a sanding wheel 10, the motor one 3 is started to rotate forward or reverse, which drives the threaded block 5, the bottom plate 6, the motor two 7 and the sanding wheel 10 to adjust the height, which is convenient to adapt to different blades 800.

[0028] When the blade 800 needs to be opened and ground, the L-shaped block 900 is pulled at this time, so that the insertion rod 902 is separated from the insertion slot 903, and the fixed seat 80 can be rotated at this time, and the fixed rod 83 and the L-shaped plate 84 are synchronously flipped, so that the surface of the blade 800 is in contact with the surface of the grinding wheel 10, and the sliding seat 87 moves to the side of the motor three 85, so that the spring one 89 is compressed, and when the stable seat 82 rotates, the rotating rod 81 rotates synchronously, and the inner wall of the clamping groove 97 is in contact with the surface of the clamping block 95, so that the clamping block 95 enters the cavity 91, and the spring two 96 is compressed, and when the clamping block 95 moves, the short rod 94 moves synchronously, and the connecting hole 93 drives the rotating plate 92 to rotate synchronously, so that the short rod 94 and the clamping block 95 move synchronously in the radial direction, when the position of the clamping block 95 is parallel to the clamping groove 97, the spring two 96 is released, so that the clamping block 95 enters the clamping groove 97, and the normal rotation of the rotating rod 81 is not affected, when the adjustment is completed, the L-shaped block 900 is loosened, the spring three 901 is released, so that the L-shaped block 900 and the insertion rod 902 enter the insertion slot 903, and the rotating plate 92 is limited, so that the short rod 94, the clamping block 95 and the rotating rod 81 are limited, so that the stable seat 82 and the blade 800 are stable, at this time, the motor two 7 is started in the forward direction and the motor three 85 is reversed, so that the grinding wheel 10 opens and grinds the blade 800, as the blade 800 is thinned, the spring one 89 is gradually released and recovered, so that the blade 800 is always in contact with the surface of the grinding wheel 10, facilitating opening and grinding, when different blades 800 are faced and the height needs to be adjusted, the motor one 3 is started in the forward direction or the reverse direction, so that the threaded block 5, the bottom plate 6, the motor two 7 and the grinding wheel 10 are adjusted in height, facilitating the adaptation of different blades 800, when the opening and grinding are completed, the bolt 88 is loosened, so that the blade 800 is loosened, facilitating personnel to take out.

[0029] Finally, it should be pointed out that the above embodiments are only relatively representative examples of the present application. Obviously, the present application is not limited to the above embodiments, and many modifications can be made. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall be considered as falling within the protection scope of the present application.

Claims

1. A quick and efficient opening device for the cutting edge of a circular blade, comprising a base (1), characterized in that: The top of the base (1) is provided with an adjusting assembly (8) for conveniently adjusting the opening polishing angle and a limiting assembly (9) for preventing deviation, the adjusting assembly (8) comprises: a fixed seat (80) fixed on the top of the base (1), the surface of the fixed seat (80) is rotationally connected with a rotating rod (81), the rotating rod (81) penetrates through the fixed seat (80), the rotating rod (81) penetrates through a stabilizing seat (82), and the rotating rod (81) is fixedly connected with the stabilizing seat (82), the top of the stabilizing seat (82) is fixedly connected with a fixed rod (83), the top of the fixed rod (83) is fixedly connected with an L-shaped plate (84), and the surface of the L-shaped plate (84) is fixedly connected with a motor three (85).

2. A quick and efficient opening device for a circular knife blade according to claim 1, characterized in that: The adjusting assembly (8) further comprises a fixed plate (86) penetrated by the output shaft of the motor three (85), and the fixed plate (86) is fixedly connected with the output shaft of the motor three (85), the surface of the fixed plate (86) is fixedly connected with a spring one (89), one end of the spring one (89) away from the fixed plate (86) is fixedly connected with a sliding seat (87), the sliding seat (87) is penetrated by the output shaft of the motor three (85), and the sliding seat (87) is slidingly connected with the output shaft of the motor three (85), the surface of the sliding seat (87) is provided with a thread, and the surface of the sliding seat (87) is threadedly connected with a bolt (88), and the bolt (88) and the sliding seat (87) are provided with a blade (800) therebetween.

3. A quick and efficient opening device for a circular knife blade according to claim 1, characterized in that: The limiting assembly (9) comprises a fixed ring (90) fixed on the surface of the fixed seat (80), the inside of the fixed ring (90) is provided with a cavity (91), the inner wall of the cavity (91) is rotationally connected with a rotating plate (92), the surface of the rotating plate (92) is provided with a connecting hole (93), the inner wall of the connecting hole (93) is abutted with a short rod (94), the surface of the short rod (94) is fixedly connected with a clamping block (95), the surface of the clamping block (95) is fixedly connected with a spring two (96), one end of the spring two (96) away from the clamping block (95) is fixed on the inner wall of the cavity (91), the surface of the rotating rod (81) is provided with a clamping groove (97), the surface of the fixed seat (80) is fixedly connected with a connecting block (98), the surface of the connecting block (98) is provided with a sliding groove (99), the inner wall of the sliding groove (99) is slidingly connected with an L-shaped block (900), the surface of the L-shaped block (900) is fixedly connected with a spring three (901), one end of the spring three (901) away from the L-shaped block (900) is fixed on the inner wall of the sliding groove (99), one end of the L-shaped block (900) away from the spring three (901) is fixedly connected with an insertion rod (902), one end of the insertion rod (902) away from the L-shaped block (900) penetrates through the fixed ring (90), the surface of the rotating plate (92) is provided with an insertion groove (903), and one end of the L-shaped block (900) away from the spring three (901) penetrates through the connecting block (98).

4. A quick and efficient opening device for a circular knife blade according to claim 1, characterized in that: The top of the base (1) is fixed with a support column (2), the top of the support column (2) is fixed with a motor one (3), the output shaft of the motor one (3) penetrates the support column (2), the inner side of the support column (2) is rotatably connected with a screw rod (4), the output shaft of the motor one (3) is fixed at the top of the screw rod (4), the screw rod (4) penetrates a threaded block (5), the threaded block (5) is threadedly connected with the screw rod (4), the threaded block (5) is slidably connected at the inner side of the support column (2), the surface of the threaded block (5) is fixed with a bottom plate (6), the top of the bottom plate (6) is fixed with a motor two (7), the output shaft of the motor two (7) is fixed with a grinding wheel (10).

5. A quick and efficient opening device for a circular knife blade according to claim 3, characterized in that: The end, away from the spring two (96), of the clamping block (95) is triangular in cross section.

6. A quick and efficient opening device for a circular knife blade according to claim 3, characterized in that: The connecting hole (93) is arc-shaped.

Citation Information

Patent Citations

  • Annular blade device that puts first edge on a knife or a pair of scissors

    CN208132575U