Blade polishing device

By introducing axial and radial drive mechanisms into the blade grinding device, combined with the workpiece to be ground, the problems of low precision and low efficiency of existing grinding machines when processing irregularly shaped blades are solved, and high-precision and high-efficiency blade grinding is achieved.

CN223802175UActive Publication Date: 2026-01-16FOSHAN SHUNDE FUHAO WOODWORKING MASCH MFG CO LTD
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Patent Information

Application Number
CN202423298371.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing grinding machines have limitations in terms of processing accuracy and efficiency when processing blades with special corrugated or irregular shapes.

Method used

The blade grinding device includes a blade holder, a blade shaft, a blade shaft cover, an axial grinding component, and a radial grinding component. The axial and radial reciprocating movements of the blade are achieved through the axial drive mechanism and the radial drive mechanism. Combined with the grinding workpiece such as a round bar, oilstone, and grinding wheel, precise grinding is achieved.

Benefits of technology

It improves processing accuracy and production efficiency, can adapt to the grinding needs of various irregularly shaped blades, and has the advantages of compact structure and high processing flexibility, thus improving product quality and production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223802175U_ABST
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Abstract

The utility model discloses a blade grinding device which comprises a cutter shaft seat, a cutter shaft rotatably installed on the cutter shaft seat and a cutter shaft cover fixedly installed on the cutter shaft seat, and the cutter shaft cover is provided with an axial cutter grinding component, an axial driving mechanism used for driving the axial cutter grinding component to reciprocate in the axial direction of the cutter shaft and a radial cutter grinding component. And the radial driving mechanism is used for driving the radial knife sharpening component to reciprocate along the radial direction of the knife shaft. The blade polishing device has the advantages of being compact in structure, high in machining precision and high in continuous machining capacity, and the product quality and the production efficiency can be effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to woodworking processing equipment technical field, concretely relates to a blade polishing device. BACKGROUND

[0002] Woodworking machinery refers to a kind of machine tool in wood processing process, which processes the semi-finished product of wood into wooden product, and is mainly used for processing wooden product such as wood board, wood board, decorative wood line, etc., with the improvement of people's individual aesthetic, the demand for custom furniture is more and more, when special corrugated undulating structure or irregular shape needs to be processed on wood board, additional customization of corresponding blade edge shape blade is needed, the existing knife sharpener mainly realizes blade grinding through the rotation of grinding wheel and manual back and forth pushing, and the processing precision is poor, the processing efficiency is low, and there is certain limitation. UTILITARY MODEL CONTENT

[0003] The utility model solves the technical problem that the prior art exists, provides a blade polishing device, which is compact in structure, high in processing precision, strong in continuous processing capacity, and can effectively improve product quality and production efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A kind of blade polishing device, including tool shaft seat, tool shaft rotatably installed on the tool shaft seat, and tool shaft cover fixedly installed on the tool shaft seat, axial grinding part is provided on the tool shaft cover, axial driving mechanism for driving the axial grinding part reciprocating movement along the axial direction of the tool shaft, radial grinding part, and radial driving mechanism for driving the radial grinding part reciprocating movement along the radial direction of the tool shaft.

[0006] As a further improvement of the above technical scheme:

[0007] The axial grinding part is movably arranged on the tool shaft cover by first sliding mechanism, and the first sliding mechanism includes first sliding rail and first sliding table, the first sliding rail is fixedly arranged on the tool shaft cover, and the axial grinding part is fixedly arranged on the first sliding table.

[0008] The axial driving mechanism includes first drive cylinder, the cylinder body of the first drive cylinder is fixedly arranged on the tool shaft cover, and the piston rod of the first drive cylinder is fixedly connected with the first sliding table.

[0009] The axial grinding part includes first grinding fixed seat and first grinding workpiece fixedly arranged on the first grinding fixed seat.

[0010] The first grinding workpiece is round bar oil stone.

[0011] The radial grinding component is movably arranged on the cutter shaft cover through a second sliding mechanism, and the second sliding mechanism comprises a second sliding rail and a second sliding table.

[0012] The radial driving mechanism comprises a second driving cylinder, a cylinder body of the second driving cylinder is fixedly arranged on the cutter shaft cover, and a piston rod of the second driving cylinder is fixedly connected with the second sliding table.

[0013] The radial grinding component comprises a second grinding fixed seat and a second grinding workpiece fixedly arranged on the second grinding fixed seat.

[0014] The second grinding workpiece is a grinding wheel piece.

[0015] A plurality of groups of installation grooves are arranged in an annular array on the cutter shaft, and a blade and a pressing strip are arranged in the installation grooves, and the pressing strip is used for pressing the blade in the installation groove.

[0016] Compared with the prior art, the advantages of the utility model lie in that:

[0017] The blade polishing device comprises a cutter shaft base, a cutter shaft and a cutter shaft cover, wherein the cutter shaft cover movably arranged with an axial grinding component and a radial grinding component, the cutter shaft cover is also provided with an axial driving mechanism and a radial driving mechanism, when the blade needs to be polished to form a sharp edge, the cutter shaft remains fixed in the cutter shaft base, the axial grinding component abuts against the blade, the axial driving mechanism drives the axial grinding component to reciprocate along the axial direction and grind the sharp edge, when the blade needs to be shaped into a corrugated undulating edge, the cutter shaft rotates in the cutter shaft base, the radial driving mechanism drives the radial grinding component to gradually feed along the radial direction and grind the corrugated undulating edge, the machining flexibility is high, the application range is wide, the blade polishing demand of various irregular shapes can be met, the structure is compact, the machining precision is high, the continuous machining capacity is strong, the product quality and the production efficiency can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the blade polishing device.

[0019] Figure 2 It is a structural schematic view of the cutter shaft in the cutter shaft cover.

[0020] Figure 3 It is a structural schematic view of the cutter shaft and the axial grinding component.

[0021] Figure 4 It is a structural schematic view of the cutter shaft and the radial grinding component.

[0022] Figure 5 It is a structural schematic view of the cutter shaft.

[0023] Legend:

[0024] 1, knife shaft seat; 2, knife shaft; 201, mounting groove; 202, blade; 203, pressing strip; 3, knife shaft cover; 4, axial knife grinding part; 401, first knife grinding fixed seat; 402, first knife grinding workpiece; 5, axial driving mechanism; 501, first driving cylinder; 6, radial knife grinding part; 601, second knife grinding fixed seat; 602, second knife grinding workpiece; 7, radial driving mechanism; 701, second driving cylinder; 8, first sliding connection mechanism; 801, first sliding rail; 802, first sliding table; 9, second sliding connection mechanism; 901, second sliding rail; 902, second sliding table. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail below in combination with the drawings and specific embodiments.

[0026] As Figures 1 to 4 shown, the blade polishing device of the embodiment includes a knife shaft seat 1, a knife shaft 2 rotatably mounted on the knife shaft seat 1, and a knife shaft cover 3 fixedly mounted on the knife shaft seat 1. The knife shaft cover 3 is provided with an axial knife grinding part 4, an axial driving mechanism 5 for driving the axial knife grinding part 4 to reciprocate along the axial direction of the knife shaft 2, a radial knife grinding part 6, and a radial driving mechanism 7 for driving the radial knife grinding part 6 to reciprocate along the radial direction of the knife shaft 2. The blade polishing device includes the knife shaft seat 1, the knife shaft 2, and the knife shaft cover 3. The axial knife grinding part 4 and the radial knife grinding part 6 are movably arranged on the knife shaft cover 3. The axial driving mechanism 5 and the radial driving mechanism 7 are also arranged on the knife shaft cover 3. When a cutting edge needs to be polished on the blade, the knife shaft 2 remains stationary in the knife shaft seat 1. The axial knife grinding part 4 abuts against the blade. The axial driving mechanism 5 drives the axial knife grinding part 4 to reciprocate along the axial direction and grind a cutting edge. When a wavy undulating blade edge needs to be formed on the blade, the knife shaft 2 rotates in the knife shaft seat 1. The radial driving mechanism 7 drives the radial knife grinding part 6 to gradually advance along the radial direction and grind a wavy undulating blade edge. The processing flexibility is high, the application range is wide, and the device can adapt to the polishing needs of blades of various irregular shapes. The device has the advantages of compact structure, high processing precision, and strong continuous processing capability, and can effectively improve product quality and production efficiency.

[0027] As Figure 5 shown, preferably, a plurality of groups of mounting grooves 201 are arranged in an annular array on the knife shaft 2. Blades 202 and pressing strips 203 are arranged in the mounting grooves 201. The pressing strips 203 are used to press the blades 202 tightly in the mounting grooves 201.

[0028] Preferably, the axial sharpening component 4 is movably arranged on the blade shaft cover 3 through a first sliding connection mechanism 8, the first sliding connection mechanism 8 comprising a first sliding rail 801 and a first sliding table 802, the first sliding rail 801 being fixedly arranged on the blade shaft cover 3, and the axial sharpening component 4 being fixedly arranged on the first sliding table 802. In the embodiment, the first sliding rail 801 is arranged in the form of a long strip-shaped dovetail convex head, the first sliding table 802 is arranged in the form of a dovetail concave head, and the first sliding connection mechanism 8 adopts a dovetail structure, which has the advantages of stable and reliable connection, simple and beautiful appearance, and easy assembly and maintenance.

[0029] Preferably, the axial driving mechanism 5 comprises a first driving cylinder 501, the cylinder body of the first driving cylinder 501 being fixedly arranged on the blade shaft cover 3, and the piston rod of the first driving cylinder 501 being fixedly connected with the first sliding table 802. In the embodiment, the axial driving mechanism 5 adopts the form of a telescopic cylinder, which has the advantages of strong load capacity, high control precision, and good stability, and can adapt to a high-temperature and dusty working environment. In other embodiments, the axial driving mechanism 5 can also adopt components with reciprocating movement function such as a gear and rack transmission mechanism and a synchronous belt transmission mechanism, and is not limited to the embodiment.

[0030] Preferably, the axial sharpening component 4 comprises a first sharpening fixed seat 401 and a first sharpening workpiece 402 fixedly arranged on the first sharpening fixed seat 401. In the embodiment, as shown in Figure 3 the first sharpening fixed seat 401 is fixedly mounted on the first sliding table 802, and the first sharpening workpiece 402 is detachably mounted on the first sharpening fixed seat 401. When it is necessary to replace the first sharpening workpiece 402 of different shapes or the first sharpening workpiece 402 is naturally worn out, the first sharpening workpiece 402 can be individually detached from the first sharpening fixed seat 401 and replaced, without the need to replace the radial sharpening component 6 as a whole, thereby achieving high maintenance efficiency and low cost.

[0031] In the embodiment, the first sharpening workpiece 402 is a round bar oil stone. When it is necessary to grind a blade edge on the blade 202, the round bar oil stone is in abutting contact with the blade 202, at which time the piston rod of the first driving cylinder 501 drives the round bar oil stone to reciprocally move along the axial direction, so as to grind a blade edge on the blade 202. In other embodiments, the first sharpening workpiece 402 can also adopt materials such as ceramic sharpening stone, diamond sharpening stone, green stone, and grinding wheel, and is not limited to the embodiment.

[0032] Preferably, the radial knife sharpening component 6 is movably arranged on the knife shaft cover 3 through a second sliding connection mechanism 9, the second sliding connection mechanism 9 comprises a second sliding rail 901 and a second sliding table 902, the second sliding rail 901 is fixedly arranged on the knife shaft cover 3, and the radial knife sharpening component 6 is fixedly arranged on the second sliding table 902. In the embodiment, the second sliding rail 901 is arranged in the form of a dovetail groove concave head, the second sliding table 902 is arranged in the form of a long strip-shaped dovetail groove convex head, and the second sliding connection mechanism 9 also adopts the dovetail groove structure, and has the advantages of stable and reliable connection, simple and beautiful appearance, and easy assembly and maintenance.

[0033] Preferably, the radial driving mechanism 7 comprises a second driving cylinder 701, the cylinder body of the second driving cylinder 701 is fixedly arranged on the knife shaft cover 3, and the piston rod of the second driving cylinder 701 is fixedly connected with the second sliding table 902. In the embodiment, the radial driving mechanism 7 also adopts the form of a telescopic cylinder, and has the advantages of strong load capacity, high control precision and good stability. In other embodiments, the radial driving mechanism 7 can also adopt components with reciprocating movement function such as a gear and rack transmission mechanism and a synchronous belt transmission mechanism, and is not limited to the embodiment.

[0034] Preferably, the radial knife sharpening component 6 comprises a second knife sharpening fixed seat 601 and a second knife sharpening workpiece 602 fixedly arranged on the second knife sharpening fixed seat 601. In the embodiment, as shown in Figure 4 Fig. 2, the second knife sharpening fixed seat 601 is fixedly installed on the second sliding table 902, and the second knife sharpening workpiece 602 is detachably installed on the second knife sharpening fixed seat 601. When it is necessary to replace the second knife sharpening workpiece 602 of different shapes or the second knife sharpening workpiece 602 is naturally worn, the second knife sharpening workpiece 602 can be individually detached from the second knife sharpening fixed seat 601 and replaced, without the need to replace the radial knife sharpening component 6 as a whole, so that the maintenance efficiency is high and the cost is low.

[0035] In the embodiment, the second knife sharpening workpiece 602 is a grinding wheel piece, and the grinding wheel piece is provided with a corrugated undulating structure. The corrugated undulating structure can be customized according to customer requirements. When it is necessary to process a corrugated undulating cutting edge on the blade 202, the rotary driving mechanism (not shown in the figure) on the knife shaft seat 1 is actuated to drive the knife shaft 2 to rotate. At this time, the piston rod of the second driving cylinder 701 drives the grinding wheel piece to move radially close to the knife shaft 2, so that the grinding wheel piece gradually contacts the blade 202 to sharpen and form a corrugated undulating cutting edge. In other embodiments, the second knife sharpening workpiece 602 can also adopt ceramic knife sharpening stones, diamond knife sharpening stones, oil stones, and green stones, and is not limited to the embodiment.

[0036] The preferred embodiments of the utility model are described above, and the protection scope of the utility model is not limited to the above-mentioned embodiments. Improvements and changes obtained by those skilled in the art without departing from the technical concept of the utility model should also be considered as the protection scope of the utility model.

Claims

1. A blade sharpening device, characterized in that, The utility model relates to a knife shaft cover (3) is fixedly installed on the knife shaft seat (1), the knife shaft cover (3) is provided with axial grinding parts (4), axial drive mechanism (5) for driving axial grinding parts (4) reciprocating movement along the axial direction of knife shaft (2), radial grinding parts (6) and radial drive mechanism (7) for driving radial grinding parts (6) reciprocating movement along the radial direction of knife shaft (2).

2. The knife blade sharpening device of claim 1, wherein, The axial grinding parts (4) are movably arranged on the knife shaft cover (3) through a first sliding connection mechanism (8), the first sliding connection mechanism (8) comprises a first sliding rail (801) and a first sliding table (802), the first sliding rail (801) is fixedly arranged on the knife shaft cover (3), and the axial grinding parts (4) are fixedly arranged on the first sliding table (802).

3. The knife blade sharpening device of claim 2, wherein, The axial drive mechanism (5) comprises a first drive cylinder (501), the cylinder body of the first drive cylinder (501) is fixedly arranged on the knife shaft cover (3), and the piston rod of the first drive cylinder (501) is fixedly connected with the first sliding table (802).

4. The knife blade sharpening device of claim 3, wherein, The axial grinding parts (4) comprise a first grinding fixed seat (401) and a first grinding workpiece (402) fixedly arranged on the first grinding fixed seat (401).

5. The knife blade sharpening device of claim 4, wherein, The first grinding workpiece (402) is a round bar oil stone.

6. The knife blade sharpening device of claim 1, wherein, The radial grinding parts (6) are movably arranged on the knife shaft cover (3) through a second sliding connection mechanism (9), the second sliding connection mechanism (9) comprises a second sliding rail (901) and a second sliding table (902), the second sliding rail (901) is fixedly arranged on the knife shaft cover (3), and the radial grinding parts (6) are fixedly arranged on the second sliding table (902).

7. The knife-sharpening device of claim 6, wherein, The radial drive mechanism (7) comprises a second drive cylinder (701), the cylinder body of the second drive cylinder (701) is fixedly arranged on the knife shaft cover (3), and the piston rod of the second drive cylinder (701) is fixedly connected with the second sliding table (902).

8. The knife-sharpening device of claim 7, wherein, The radial grinding parts (6) comprise a second grinding fixed seat (601) and a second grinding workpiece (602) fixedly arranged on the second grinding fixed seat (601).

9. The knife-sharpening device of claim 8, wherein, The second grinding workpiece (602) is a grinding wheel piece.

10. The knife-sharpening device of any one of claims 1 to 9, wherein, A plurality of groups of installation grooves (201) are arranged in an annular array on the knife shaft (2), the installation grooves (201) are provided with blades (202) and pressing strips (203), and the pressing strips (203) are used for pressing the blades (202) in the installation grooves (201).