Rotary cutting device for wood product processing

By introducing a locking adjustment and sharpening mechanism into the rotary cutting device, the problem of having to stop the machine to replace the cutter after it wears out is solved, and the cutting edge can be sharpened during operation, thus improving the efficiency and effect of rotary cutting.

CN223877175UActive Publication Date: 2026-02-06NINGAN HUATIAN WOOD IND CO LTD
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Patent Information

Application Number
CN202520281357.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-06
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing rotary cutting devices require machine shutdown and replacement after the cutter wears out, resulting in cumbersome disassembly and reduced rotary cutting efficiency.

Method used

A rotary cutting device with a locking adjustment mechanism and a sharpening mechanism was designed. The cutting blade is inserted into the sharpening mechanism by a hydraulic cylinder for sharpening, avoiding the need to disassemble the cutting blade and maintaining the sharpness of the cutting edge.

Benefits of technology

It enables the grinding of the cutting edge without stopping the machine, improving the rotary cutting efficiency and avoiding poor rotary cutting results caused by changes in the cutting angle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wood product processing, in particular to a rotary cutting device for wood product processing, and aims to solve the technical problems that after a cutter in the prior art is used for a long time, the cutter needs to be replaced after being shut down, dismounting is tedious, and meanwhile rotary cutting efficiency is reduced. The sliding frame is connected with the inner wall of the rotary cutting chamber through a hydraulic cylinder, the inner wall of the rotary cutting chamber on the lower portion of the driving roller is connected with a cutter sharpening mechanism, the cutter sharpening mechanism can polish the edge of the cutter in the horizontal state, and during machining, the rotating shaft and the cutter are locked through a locking adjusting mechanism, and the cutter is matched with the driving roller and the pressing roller to complete rotary cutting; the cutter is kept horizontal through the locking adjusting mechanism, the horizontal cutter is controlled by the control hydraulic cylinder to be inserted into the cutter sharpening mechanism, the cutting edge is polished, the cutter is reset after polishing, polishing can be completed without detaching the cutter, and the problems that in the prior art, when the cutter is replaced, the cutter is tedious to detach, and meanwhile the rotary cutting efficiency is reduced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wood product processing technical field, and the specific field is a kind of wood product processing with rotary cutting device. BACKGROUND

[0002] With the improvement of people's living standards, the demand for furniture is increasing and more attention is paid to quality and appearance. In furniture manufacturing, a large number of thin wood sheets are needed for veneering and other processes to improve the appearance and texture of furniture. Rotary cutting device can efficiently produce thin wood sheets that meet the requirements, meet the large-scale demand of furniture production, and thin wood sheets are used to make decorative plates, wall skirts, etc., which can create a natural and beautiful decorative effect. The continuous development of the construction industry has steadily increased the demand for thin wood sheets for decoration, prompting the continuous improvement and development of rotary cutting devices to improve production efficiency and product quality. Natural forest resources are gradually decreasing, and small-diameter wood and fast-growing forests have become the main raw materials for wood processing. Rotary cutting device can cut small-diameter wood and fast-growing forest wood into thin wood sheets, achieving efficient use of these resources and improving the economic value of wood.

[0003] The rotary cutting mechanism of the rotary cutting machine mainly consists of a cutter and a pressure roller. When the log is fixed and rotates with the main shaft, the cutter will make a feed motion towards the center of the log, while maintaining a certain angle with the surface of the log. The cutter cuts the wood on the surface of the log layer by layer under the action of pressure, forming continuous thin wood sheets.

[0004] The existing cutter will wear out after long-term use, resulting in uneven cutting force and deviation in the thickness of the veneer. At this time, the machine needs to be stopped for knife replacement, which is cumbersome to disassemble and reduces the rotary cutting efficiency. UTILITY MODEL CONTENTS

[0005] The utility model discloses a rotary cutting device for wood product processing to solve the technical problem that the existing cutter needs to be stopped for knife replacement after long-term use, which is cumbersome to disassemble and reduces the rotary cutting efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotary cutting device for wood product processing, comprising: a rotary cutting chamber, two vertically arranged drive rollers are rotatably connected in the rotary cutting chamber, a pressure roller is parallelly arranged on one side of the two drive rollers, a slide is rotatably connected to the shaft end of the pressure roller, the slide is horizontally slidably connected in the rotary cutting chamber, a rotating shaft is rotatably connected in the slide, the rotating shaft is connected with a cutter, a locking and adjusting mechanism can drive the rotating shaft to rotate and lock, the slide is connected with the inner wall of the rotary cutting chamber through a hydraulic cylinder, the inner wall of the rotary cutting chamber below the drive roller is connected with a knife sharpening mechanism, and the knife sharpening mechanism can grind the blade part of the cutter in a horizontal state.

[0007] Preferably, a supporting plate is connected to the upper part of the slide, and the rotary cut wood sheet can fall on the supporting plate. The supporting plate passes through the discharge port of the side wall of the rotary cutting chamber.

[0008] Preferably, the locking adjusting mechanism comprises a motor, an output shaft of the motor is connected with a worm, the worm is connected with a worm wheel in meshing mode, and the worm wheel is connected with the rotating shaft.

[0009] Preferably, the knife grinding mechanism comprises a high-frequency cylinder, the upper grinding plate is connected with the inner wall of the rotary cutting chamber through the high-frequency cylinder, the upper grinding plate is slidingly connected in the lower grinding plate, the joint of the upper grinding plate and the lower grinding plate on the side of the cutting knife is combined into a gap, the cutting knife can enter the gap when the cutting knife is in a horizontal state, the lower grinding plate is slidingly connected with a sliding rail, the sliding rail is connected with the inner wall of the rotary cutting chamber, and the upper grinding plate and the lower grinding plate are respectively connected with two oppositely arranged racks, the two racks are connected through a gear in meshing mode, the gear shaft end is rotationally connected in a bearing seat, and the bearing seat is connected with the sliding rail.

[0010] Preferably, the lower surface of the cutting knife is connected with a log supporting plate, and the log supporting plate is arranged horizontally when the cutting knife is in a working state.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] During processing, the rotating shaft and the cutting knife are locked by the locking adjusting mechanism, the cutting knife and the driving roller and the compression roller are matched to complete rotary cutting, when the cutting knife edge is worn, the cutting knife is kept horizontal through the locking adjusting mechanism, the horizontal cutting knife is inserted into the knife grinding mechanism through the control of the hydraulic cylinder, the edge is polished, and the polishing is reset, so that the polishing can be completed without disassembling the cutting knife, and the problem that the cutting knife is disassembled complicatedly and the rotary cutting efficiency is reduced when the cutting knife is replaced in the prior art is solved.

[0013] The upper grinding plate and the lower grinding plate reciprocate in opposite directions to polish the cutting knife edge in the gap, the fixed angle of the gap ensures that the cutting knife edge angle does not change, and the change of the edge angle is avoided to cause poor rotary cutting effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic diagram of the utility model Figure 1 ;

[0015] Figure 2 It is a structure sectional view schematic diagram of the utility model

[0016] Figure 3 It is a structure schematic diagram of the utility model Figure 2 ;

[0017] Figure 4 It is a structure schematic diagram of the utility model Figure 3 ;

[0018] Figure 5 It is a structure schematic diagram of the utility model Figure 2 .

[0019] In the figure: rotary cutting chamber 1; driving roller 2; pressure roller 3; sliding frame 4; rotating shaft 5; cutter 6; locking adjusting mechanism 7; motor 71; worm 72; worm gear 73; hydraulic cylinder 8; knife grinding mechanism 9; high-frequency air cylinder 91; upper grinding plate 92; lower grinding plate 93; sliding rail 94; rack 95; gear 96; bearing seat 97; supporting plate 10; discharge port 11; log supporting plate 12. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0021] The rotary connection in the device refers to fixing the bearing on the shaft by baking, and the shaft or shaft hole is provided with a spring retainer groove, and the elastic retainer is clamped in the retainer groove to realize the axial fixation of the bearing and realize rotation. The hinged connection refers to the movable connection mode of the connecting parts such as hinges, pins and short shafts.

[0022] The present application will be described in detail below with reference to the drawings.

[0023] The present application will be described in detail below with reference to the drawings. Figures 1-5 The present application relates to a rotary cutting device for wood product processing, which comprises a rotary cutting chamber 1, two vertically arranged driving rollers 2 rotatably connected in the rotary cutting chamber 1, a pressure roller 3 parallel arranged on one side of the two driving rollers 2, a sliding frame 4 rotatably connected to the shaft end of the pressure roller 3, the sliding frame 4 being horizontally slidably connected in the rotary cutting chamber 1, a rotating shaft 5 rotatably connected in the sliding frame 4, the rotating shaft 5 being connected with a cutter 6, a locking adjusting mechanism 7 capable of driving the rotating shaft 5 to rotate and lock, the sliding frame 4 being connected with the inner wall of the rotary cutting chamber 1 through a hydraulic cylinder 8, a knife grinding mechanism 9 connected with the inner wall of the rotary cutting chamber 1 below the driving roller 2, the knife grinding mechanism 9 being capable of grinding the blade part of the cutter 6 in a horizontal state.

[0024] During processing, the two driving rollers 2 are driven to rotate in the same direction by power, the sliding frame 4, the pressure roller 3, the locking adjusting mechanism 7, the rotating shaft 5 and the cutter 6 are displaced by the hydraulic cylinder 8, the log is clamped and rotated, the rotating shaft 5 and the cutter 6 are locked by the locking adjusting mechanism 7, the cutter 6 cuts the rotating log into veneer, when the blade edge of the cutter 6 is worn, the cutter 6 is kept horizontal by the locking adjusting mechanism 7, the horizontal cutter is inserted into the knife grinding mechanism 9 by the hydraulic cylinder 8, the blade edge is ground, and the cutter 6 is reset after grinding, so that the cutter 6 can be ground without disassembly, solving the problem that the cutter 6 is complicated to disassemble and the rotary cutting efficiency is reduced when the cutter 6 is replaced in the prior art.

[0025] The upper part of the sliding frame 4 is connected with a supporting plate 10, and the rotary cut wood pieces can fall on the supporting plate 10.

[0026] The locking adjusting mechanism 7 comprises a motor 71, the output shaft of the motor 71 is connected with a worm 72, the worm 72 is in meshing connection with a worm wheel 73, and the worm wheel 73 is connected with the rotating shaft 5.

[0027] The rotation and self-locking of the rotating shaft 5 are realized through the transmission of the worm 72 and the worm wheel 73.

[0028] The knife sharpening mechanism 9 comprises a high-frequency cylinder 91, an upper grinding plate 92 is connected with the inner wall of the rotary cutting chamber 1 through the high-frequency cylinder 91, the upper grinding plate 92 is slidingly connected in the inner lower grinding plate 93, the upper grinding plate 92 and the lower grinding plate 93 are combined into a gap at the joint on the side of the cutter 6, the cutter 6 can enter the gap when in the horizontal state, the lower grinding plate 93 is slidingly connected with a sliding rail 94, the sliding rail 94 is connected with the inner wall of the rotary cutting chamber 1, and two opposite gear racks 95 are respectively connected on the upper grinding plate 92 and the lower grinding plate 93, the two gear racks 95 are in meshing connection through a gear 96, the shaft end of the gear 96 is rotationally connected in a bearing seat 97, and the bearing seat 97 is connected with the sliding rail 94.

[0029] After the blade of the cutter 6 is inserted into the gap, the high-frequency cylinder 91 is controlled to reciprocatingly stretch and shrink, the high-frequency cylinder 91 drives the upper grinding plate 92 to reciprocatingly slide, the upper grinding plate 92 drives the lower gear rack 95 and the lower grinding plate 93 to reciprocatingly slide through the upper gear rack 95 and the gear 96, the blade of the cutter 6 in the gap is sharpened, the fixed angle of the gap ensures that the blade angle of the cutter 6 will not change, and the change of the blade angle to cause the poor rotary cutting effect is avoided.

[0030] The lower surface of the cutter 6 is connected with a log supporting plate 12, and the log supporting plate 12 is horizontally arranged when the cutter 6 is in the working state.

[0031] The log supporting plate 12 supports the log when the log is not clamped, and the falling of the log is avoided.

[0032] In the description of the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0034] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A peeling device for processing wood products, comprising: The rotary cutting chamber (1) is provided with two vertical driving rollers (2) connected with the rotary cutting chamber (1), the driving rollers (2) are provided with a pressure roller (3) on one side, the pressure roller (3) is connected with a sliding frame (4) on the shaft end, the sliding frame (4) is connected with the rotary cutting chamber (1) in a sliding mode, The rotary cutting chamber (1) is provided with two vertical driving rollers (2) connected with the rotary cutting chamber (1), the driving rollers (2) are provided with a pressure roller (3) on one side, the pressure roller (3) is connected with a sliding frame (4) on the shaft end, the sliding frame (4) is connected with the rotary cutting chamber (1) in a sliding mode, The locking and adjusting mechanism (7) comprises a motor (71), the output shaft of the motor (71) is connected with a worm (72), the worm (72) is connected with a worm wheel (73) in a meshing mode, and the worm wheel (73) is connected with the rotating shaft (5), The grinding mechanism (9) comprises a high-frequency cylinder (91), an upper grinding plate (92) is connected with the inner wall of the rotary cutting chamber (1) through the high-frequency cylinder (91), the upper grinding plate (92) is connected with a lower grinding plate (93) in a sliding mode, the upper grinding plate (92) and the lower grinding plate (93) are combined into a gap at the joint on the side of the cutter (6), the cutter (6) can enter the gap when being in a horizontal state, the lower grinding plate (93) is connected with a sliding rail (94) in a sliding mode, the sliding rail (94) is connected with the inner wall of the rotary cutting chamber (1), the upper grinding plate (92) and the lower grinding plate (93) are respectively connected with two opposite racks (95), the two racks (95) are connected with a gear (96) in a meshing mode, the gear (96) is connected with a bearing seat (97) on the shaft end in a rotating mode, and the bearing seat (97) is connected with the sliding rail (94).

2. A peeling device for processing wood products according to claim 1, characterized in that: The upper part of the sliding frame (4) is connected with a supporting plate (10), the rotary wood pieces can fall on the supporting plate (10), the supporting plate (10) passes through a discharging port (11) in the side wall of the rotary cutting chamber (1).

3. The rotary cutting device for processing wood products according to claim 1, characterized in that: The lower surface of the cutter (6) is connected with a log supporting plate (12), and the log supporting plate (12) is arranged in a horizontal mode when the cutter (6) is in a working state.