Semi-automatic knife sharpener for cutting knife
By designing the moving components, adjusting mechanism, and limiting components of the semi-automatic blade sharpening machine, the automatic sharpening of blades is achieved, solving the problem of high technical requirements for workers in existing technologies and improving sharpening accuracy.
Patent Information
- Application Number
- CN202520329822.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing cutting tool grinding methods require highly skilled workers and make it difficult to control grinding precision.
Design a semi-automatic blade sharpening machine, comprising a moving component, an adjusting mechanism, and a limiting component. Through the cooperation of motor drive and limiting groove, the machine achieves automated blade sharpening and ensures precise sharpening of each end.
It reduces the technical requirements for workers and improves the precision and consistency of cutting tool grinding.
Smart Images

Figure CN223776712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a knife grinder technical field, concretely relates to a cutting knife semi -automatic knife grinder. BACKGROUND
[0002] The knife grinder is a kind of equipment for trimming various metal cutting tools, and the main purpose of the knife grinder is trimming various high-speed steel metal cutting and trimming hard alloy cutter.It can grind straight blade, compared with hand grinding, can significantly increase the service intensity and life of blade.
[0003] At present, an existing tool such as Figure 1 As shown, including handle A, the side wall of handle A is welded and fixed with cutting knife B, cutting knife B includes top end B1, upper end B2, lower end B3 and side end B4;The existing knife grinder mainly includes a high-speed rotating grinding wheel, when cutting knife needs to be polished, the end of cutting knife that needs to be polished is manually abutted on the side wall of grinding wheel by working personnel, so that cutting knife can be polished.
[0004] In the above scheme, the existing cutting knife polishing method has higher technical requirements for working personnel, and it is difficult to control the knife grinding amount of cutting knife in the polishing process, so it is difficult to control the polishing precision of cutting knife. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the insufficient of prior art, provide a cutting knife semi -automatic knife grinder, by being equipped with moving assembly, adjusting mechanism and limit component, to facilitate control cutting knife's knife grinding amount, solve the problem that the existing cutting knife polishing method has higher technical requirements for working personnel, to facilitate control cutting knife's polishing precision.
[0006] The utility model solves the technical problem of the scheme:
[0007] A cutting knife semi -automatic knife grinder, including the base, the upper end of base is fixed with two slide rails, the upper end of slide rail is slidably connected with sliding block, the upper end of multiple sliding blocks is fixed with same workbench plate, the upper end of workbench plate is fixed with first motor, the output end of first motor is fixed with grinding wheel, the upper end of base is equipped with moving assembly and adjusting mechanism, the upper end of workbench plate is equipped with a set of limit component, and adjusting mechanism is equipped with two sets of limit components.
[0008] When the top end, upper end, lower end and side end of the cutter need to be polished, the first motor is started to drive the polishing wheel to rotate, then the handle is placed in the limiting assembly on the upper end of the workbench plate, the handle is limited by the limiting assembly so that it can only move left and right, then the handle is pushed towards the polishing wheel to polish the top end of the cutter, after polishing, the handle is placed in a set of limiting assemblies on the adjusting mechanism and limited so that it can only move left and right, and the adjusting mechanism is started to drive the limiting assemblies to move, so that the cutter moves towards the polishing wheel to polish the side end of the cutter, after polishing, the handle is placed in another set of limiting assemblies and limited so that it can only move forward and backward, and the moving assembly is started to drive the workbench plate to move, so that the polishing wheel on the upper end of the workbench plate is moved, and the upper end of the cutter is abutted against the side wall of the polishing wheel to polish the upper end of the cutter, after polishing, the handle is moved to separate the cutter from the polishing wheel, and then the moving assembly is used to move the polishing wheel and reset the handle, so that the lower end of the cutter is abutted against the side wall of the polishing wheel to polish the lower end of the cutter, after polishing, the limiting assemblies are rotated by the adjusting mechanism to form a certain angle between the end of the cutter and the polishing wheel, so that a cutting angle is polished on the end of the cutter.
[0009] The moving assembly, adjusting mechanism and limiting assembly are provided, so that the grinding amount of the cutter can be controlled, and the problem that the existing cutter polishing method has high technical requirements for workers is solved, so that the polishing precision of the cutter can be controlled.
[0010] The utility model further provides: the moving assembly includes the second motor that is fixed on the upper end of the machine stand, the eccentricity is arranged and is fixed on the output of the second motor the knob lever, the end of knob lever is fixed with the knob disc, the side wall of knob disc is formed with the sliding slot, the sliding connection has the adjusting block in the sliding slot, the side wall of adjusting block is fixed with screw rod, the upper end of workbench plate is fixed with the connecting plate, the connecting plate is inserted with the bolt, and the side wall of screw rod and bolt is respectively screwed with a nut, and the end of screw rod and bolt is rotatably connected with the same connecting rod.
[0011] According to the above technical scheme, when the workbench plate needs to be moved, the two nuts are loosened, so that the adjusting block and the bolt can move, so that the position of the connecting rod can be adjusted according to the needs, after adjusting the position of the connecting rod, the two nuts are tightened, so that the adjusting block and the bolt are fixed at the required position, then the second motor is started to drive the knob lever to rotate, the knob lever rotates to drive the knob disc to rotate, and the knob disc rotates to drive the connecting rod to move, so that the workbench plate can be moved.
[0012] The utility model further provides: the adjusting mechanism includes rotating assembly and translation assembly, rotating assembly includes the rotating shaft of rotation connection in the upper end of frame, translation assembly sets up in the upper end of rotating shaft, two sets of limiting components set up in the upper end of translation assembly.
[0013] Through the above technical scheme, when the limiting component needs to be driven to rotate, the translation component is driven to rotate, so that the limiting component can be driven to rotate.
[0014] The utility model further provides: translation assembly includes the guide block of fixed in the upper end of rotating shaft, the upper end of guide block is formed with guide groove, the support block is connected with the sliding in guide groove, two sets of limiting components set up in the upper end of support block, the lateral wall of guide block is screwed with adjusting rod, adjusting rod passes through the extension end of guide block and is rotationally connected on the lateral wall of support block.
[0015] Through the above technical scheme, when the limiting component needs to be driven to move, the adjusting rod is driven to rotate, and the support block is driven to move by the rotation of the adjusting rod, so that the limiting component can be driven to move.
[0016] The utility model further provides: limiting component includes limiting block, the lateral wall of limiting block is formed with handle cooperation's limiting groove, one side of limiting block is provided with the pressing block, the lateral wall of pressing block is screwed with screw, and the lateral wall of limiting block is screwed with screw through the extension end of pressing block.
[0017] Through the above technical scheme, when the handle needs to be limited, the handle is placed in the limiting groove, then the pressing block is abutted on the lateral wall of handle, and then the screw is tightened, so that the pressing block is fixed in the required position, so that the handle can be limited.
[0018] The utility model has the advantages of:
[0019] Compared with the prior art, by being provided with the moving component, the adjusting mechanism and the limiting component, the grinding amount of the cutter can be controlled, the problem that the existing cutter grinding method requires high technical requirements for the workers is solved, and the grinding precision of the cutter can be controlled. DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic view of the cutter;
[0021] Figure 2 It is a three-dimensional structure schematic view of the utility model;
[0022] Figure 3 It is a side view of the utility model;
[0023] Figure 4 It is a three-dimensional structure schematic view of the moving component.
[0024] Reference signs: 1, base; 2, slide rail; 3, sliding block; 4, workbench plate; 5, first motor; 6, polishing wheel; 7, second motor; 8, toggle lever; 9, toggle plate; 901, sliding groove; 10, adjusting block; 11, screw rod; 12, connecting plate; 13, bolt; 14, nut; 15, connecting rod; 16, rotating shaft; 17, guide block; 1701, guide groove; 18, supporting block; 19, adjusting rod; 20, limiting block; 2001, limiting groove; 21, pressing block; 22, screw. DETAILED DESCRIPTION
[0025] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
[0026] The following references Figures 1 to 4 The utility model is explained.
[0027] A kind of cutter half-automatic knife sharpener, including base 1, the upper end of base 1 is fixed with two slide rails 2, the upper end of slide rail 2 is slidably connected with sliding block 3, the upper end of multiple sliding blocks 3 is fixed with same workbench plate 4, the upper end of workbench plate 4 is fixed with first motor 5, the output end of first motor 5 is fixed with polishing wheel 6, the upper end of base 1 is equipped with moving assembly and adjusting mechanism, the upper end of workbench plate 4 is equipped with a set of limiting assembly, adjusting mechanism is equipped with two sets of limiting assembly.
[0028] When the top end, upper end, lower end and side end of the cutter need to be polished, the first motor 5 is started to drive the polishing wheel 6 to rotate, then the handle is placed in the limiting assembly on the upper end of the workbench plate 4, the handle is limited by the limiting assembly, so that the handle can only move left and right, then the handle is pushed towards the polishing wheel 6, so that the top end of the cutter can be polished, after polishing, the handle is placed in a set of limiting assemblies on the adjusting mechanism, and the handle is limited, so that the handle can only move left and right, and the adjusting mechanism is started to drive the limiting assembly to move, so that the cutter moves towards the polishing wheel 6, so that the side end of the cutter can be polished, after polishing, the handle is placed in another set of limiting assemblies, and the handle is limited, so that the handle can only move forward and backward, and the moving assembly is started to drive the workbench plate 4 to move, so that the polishing wheel 6 on the upper end of the workbench plate 4 is moved, so that the upper end of the cutter abuts against the side wall of the polishing wheel 6, so that the upper end of the cutter can be polished, after polishing, the handle is moved to separate the cutter from the polishing wheel 6, then the moving assembly is used to move the polishing wheel 6, and the handle is pushed back to make the lower end of the cutter abut against the side wall of the polishing wheel 6, so that the lower end of the cutter can be polished, after polishing, the limiting assembly is rotated by the adjusting mechanism to form a certain angle between the end of the cutter and the polishing wheel 6, so that a cutting angle can be polished on the end of the cutter.
[0029] The moving assembly, the adjusting mechanism and the limiting assembly are provided, so that the amount of cutter sharpening can be controlled, and the problem that the existing cutter polishing method requires high technical requirements for workers is solved, so that the polishing precision of the cutter can be controlled.
[0030] The moving assembly includes a second motor 7 fixed on the upper end of the base 1, an eccentrically arranged actuating rod 8 is fixed on the output end of the second motor 7, an actuating disc 9 is fixed on the end of the actuating rod 8, a sliding groove 901 is formed on the side wall of the actuating disc 9, an adjusting block 10 is slidably connected in the sliding groove 901, a screw rod 11 is fixed on the side wall of the adjusting block 10, a connecting plate 12 is fixed on the upper end of the workbench plate 4, a screw bolt 13 is inserted into the connecting plate 12, a nut 14 is screwed on the side wall of the screw bolt 13 and the screw rod 11 respectively, and the same connecting rod 15 is rotatably connected to the end of the screw bolt 13 and the screw rod 11.
[0031] When it is needed to drive the workbench plate 4 to move, the two nuts 14 are loosened, so that the adjusting block 10 and the bolt 13 can move, thereby the position of the connecting rod 15 can be adjusted according to the requirement, after the position of the connecting rod 15 is adjusted, the two nuts 14 are tightened, so that the adjusting block 10 and the bolt 13 are fixed at the required position, then the second motor 7 is started to drive the rotating rod 8 to rotate, the rotating rod 8 drives the rotating disc 9 to rotate, and the rotating disc 9 drives the connecting rod 15 to move, thereby the workbench plate 4 can be driven to move.
[0032] The adjusting mechanism comprises a rotating assembly and a translating assembly, the rotating assembly comprises a rotating shaft 16 rotatably connected to the upper end of the base 1, the translating assembly is arranged at the upper end of the rotating shaft 16, and two sets of limiting assemblies are arranged at the upper end of the translating assembly.
[0033] When it is needed to drive the limiting assembly to rotate, the translating assembly is driven to rotate, thereby the limiting assembly can be driven to rotate.
[0034] The translating assembly comprises a guide block 17 fixed to the upper end of the rotating shaft 16, the upper end of the guide block 17 is formed with a guide groove 1701, a supporting block 18 is slidably connected in the guide groove 1701, two sets of limiting assemblies are arranged at the upper end of the supporting block 18, an adjusting rod 19 is screwed on the side wall of the guide block 17, and the adjusting rod 19 is rotatably connected to the side wall of the supporting block 18 through the protruding end of the guide block 17.
[0035] When it is needed to drive the limiting assembly to move, the adjusting rod 19 is driven to rotate, the adjusting rod 19 drives the supporting block 18 to move, thereby the limiting assembly can be driven to move.
[0036] The limiting assembly comprises a limiting block 20, a limiting groove 2001 matched with the handle is formed in the side wall of the limiting block 20, a pressing block 21 is arranged on one side of the limiting block 20, a screw 22 is screwed on the side wall of the pressing block 21, and the screw 22 is screwed on the side wall of the limiting block 20 through the protruding end of the pressing block 21.
[0037] When it is needed to limit the handle, the handle is placed in the limiting groove 2001, the pressing block 21 is abutted against the side wall of the handle, and then the screw 22 is tightened, so that the pressing block 21 is fixed at the required position, thereby the handle can be limited.
[0038] Working principle:
[0039] When the top end, upper end, lower end and side end of the cutter need to be polished, the first motor 5 is started to drive the polishing wheel 6 to rotate, then the handle is placed in the limiting groove 2001 at the upper end of the workbench plate 4, the pressing block 21 is abutted against the side wall of the handle, then the screw 22 is tightened to fix the pressing block 21 at the required position, so that the handle can be limited to move left and right, then the handle is pushed towards the polishing wheel 6, so that the top end of the cutter can be polished, after polishing, the handle is placed in a set of limiting assemblies on the adjusting mechanism, and the handle is limited to move left and right, at the same time, the adjusting rod 19 is driven to rotate, the adjusting rod 19 drives the supporting block 18 to move, so that the limiting assembly can be moved, the limiting assembly is moved to move the cutter towards the polishing wheel 6, so that the side end of the cutter can be polished, after polishing, the handle is placed in another set of limiting assemblies, and the handle is limited to move forward and backward, at the same time, the second motor 7 is started to drive the driving rod 8 to rotate, the driving rod 8 drives the driving disc 9 to rotate, the driving disc 9 drives the connecting rod 15 to move, so that the workbench plate 4 can be moved, so that the polishing wheel 6 at the upper end of the workbench plate 4 can be moved, so that the upper end of the cutter abuts against the side wall of the polishing wheel 6, so that the upper end of the cutter can be polished, after polishing, the handle is moved to separate the cutter from the polishing wheel 6, then the polishing wheel 6 is moved by the moving assembly, and the handle is reset, so that the lower end of the cutter abuts against the side wall of the polishing wheel 6, so that the lower end of the cutter can be polished, after polishing, the limiting assembly is rotated by the rotating shaft 16 to a certain angle, so that a certain angle is formed between the end of the cutter and the polishing wheel 6, so that a cutting angle can be polished on the end of the cutter.
[0040] The above only describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and the above-mentioned improvements and modifications should be regarded as the protection scope of the present application.
Claims
1. A semi-automatic knife grinder for knives, comprising a base (1), characterized in that: The upper end of the base (1) is fixed with two slide rails (2), the upper end of the slide rail (2) is slidably connected with a sliding block (3), the upper end of a plurality of sliding blocks (3) is fixed with a same workbench plate (4), the upper end of the workbench plate (4) is fixed with a first motor (5), the output end of the first motor (5) is fixed with a grinding wheel (6), the upper end of the base (1) is provided with a moving assembly and an adjusting mechanism, the upper end of the workbench plate (4) is provided with a set of limiting assemblies, and the adjusting mechanism is provided with two sets of limiting assemblies.
2. The semi-automatic knife grinder according to claim 1, characterized in that: The moving assembly comprises a second motor (7) fixed to the upper end of the base (1), an eccentrically arranged poking rod (8) fixed to the output end of the second motor (7), a poking disc (9) fixed to the end of the poking rod (8), a sliding groove (901) formed in the side wall of the poking disc (9), a adjusting block (10) slidably connected in the sliding groove (901), a screw rod (11) fixed to the side wall of the adjusting block (10), a connecting plate (12) fixed to the upper end of the workbench plate (4), a bolt (13) inserted into the connecting plate (12), and a nut (14) screwed on the side wall of the bolt (13) and the screw rod (11), respectively, and the end of the bolt (13) and the screw rod (11) is rotatably connected with a same connecting rod (15).
3. The semi-automatic knife grinder according to claim 1, characterized in that: The adjusting mechanism comprises a rotating assembly and a translating assembly, the rotating assembly comprises a rotating shaft (16) rotatably connected to the upper end of the base (1), and the translating assembly is arranged at the upper end of the rotating shaft (16), and the two sets of limiting assemblies are arranged at the upper end of the translating assembly.
4. The semi-automatic knife grinder according to claim 3, characterized in that: The translating assembly comprises a guide block (17) fixed to the upper end of the rotating shaft (16), a guide groove (1701) formed in the upper end of the guide block (17), a supporting block (18) slidably connected in the guide groove (1701), and the two sets of limiting assemblies are arranged at the upper end of the supporting block (18), and the side wall of the guide block (17) is screwed with an adjusting rod (19), and the adjusting rod (19) is rotatably connected to the side wall of the supporting block (18) through the extending end of the guide block (17).
5. The semi-automatic knife grinder according to claim 1, wherein: The limiting assembly comprises a limiting block (20), a limiting groove (2001) formed in the side wall of the limiting block (20) and matched with a handle, a pressing block (21) arranged on one side of the limiting block (20), a screw (22) screwed on the side wall of the pressing block (21), and the screw (22) is screwed on the side wall of the limiting block (20) through the extending end of the pressing block (21).