CN220113540U

CN220113540U - Log rotary cutter

Info

Publication number: CN220113540U
Application number: CN202321347714.0U
Authority: CN
Inventors: 张代喜; 张玲
Original assignee: Dalian Linqiao Wood Industry Co ltd
Current assignee: Dalian Linqiao Wood Industry Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-01
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to the technical field of wood processing, in particular to a log rotary cutter, which is convenient for detecting coaxiality of a log to be rotary cut and two groups of clamping shafts, ensures cutting precision during rotary cutting, avoids overlarge cutting amount of a rotary cutter and improves reliability in the use process; the rotary cutter is arranged on the bottom plate through the front-back moving device, and the front-back moving device is used for moving the rotary cutter in the front-back direction; the device comprises a base plate, a plurality of groups of support plates, two groups of clamping shafts, a plurality of groups of pointed cones, a servo motor, a coaxial detection device and two groups of left and right movement devices, wherein the two groups of support plates are respectively arranged at the left and right parts of the base plate through the two groups of left and right movement devices, and the left and right movement devices are used for moving the support plates in the left and right directions.

Description

Log rotary cutter

Technical Field

The utility model relates to the technical field of wood processing, in particular to a log rotary cutter.

Background

Log rotary cutting machines are used to process round wood of a certain length and diameter into continuous straight veneers for use in the production of plywood, fine wood upper panels and other man-made board veneers. Log rotary cutting machines can be classified into a spindle rotary cutting machine and a spindle-free rotary cutting machine according to types.

The prior art is provided with a clamping shaft log rotary cutter, such as the clamping shaft rotary cutter with the patent application number of 201320367087.7, and mainly comprises two groups of clamping shafts, a moving device and a rotary cutter, wherein when the rotary cutter is used, a log to be rotary cut is clamped and fixed through the two groups of clamping shafts, the two groups of clamping shafts are respectively inserted into the left part and the right part of the log, then the clamping shafts are driven by a motor to rotate at a certain speed, and meanwhile, the rotary cutter is moved at a certain speed by the moving device, so that the rotary cutter can cut out straight single plates with equal thickness on the log along the direction of annual rings of the log.

It discovers in the use, after fixing log centre gripping through two sets of clamping axle, it is inconvenient to detect whether the log that wait to cut is coaxial with the clamping axle, when the clamping axle drives log rotation, makes the log make eccentric motion easily, and then lead to the rotary cutter to the first round part of log when the rotary-cut take the sword too big, lead to the plank of cutting too thick, not only lead to the plank size disqualification that the rotary-cut comes out, and lead to the rotary-cut to take the sword too big and collapse the sword moreover easily, it is inconvenient to use, so need a card axle peeler of convenient detection log and clamping axle axiality.

Disclosure of Invention

In order to solve the technical problems, the log rotary cutter provided by the utility model is convenient for detecting the coaxiality of a log to be rotary-cut and two groups of clamping shafts, ensures the cutting precision during rotary-cut, avoids overlarge cutter-taking amount of the rotary-cut cutter and improves the reliability in the use process.

The log rotary cutter comprises a bottom plate, a rotary cutter and a front-back moving device, wherein the rotary cutter is arranged on the bottom plate through the front-back moving device, and the front-back moving device is used for moving the rotary cutter in the front-back direction; the coaxial detection device comprises a base plate, a plurality of groups of clamping shafts, a plurality of groups of taper cones, a servo motor, a coaxial detection device and two groups of left and right movement devices, wherein the two groups of support plates are respectively arranged at the left and right parts of the base plate through the two groups of left and right movement devices; when the wood veneer rotary cutting device is used, firstly, a log to be rotary-cut is moved between two groups of clamping shafts through a forklift, the log is approximately positioned at a position coaxial with the two groups of clamping shafts, then the two groups of support plates drive the two groups of clamping shafts to be mutually close through two groups of left and right moving devices, the two groups of clamping shafts respectively insert multiple groups of sharp cones into the left and right ends of the log in the process of being mutually close, the log is clamped by the two groups of clamping shafts, then the forklift is moved, then a servo motor is started, the multiple groups of sharp cones drive the log to rotate through the clamping shafts, then a coaxial detection device is used for detecting whether the log is coaxial with the two groups of clamping shafts, if the log is coaxial with the two groups of clamping shafts, the clamping shafts drive the log to rotate at a certain speed through the servo motor, then the moving speed of the rotary cutter is forwards close to the rotary cutter through the front and rear moving device, the moving speed of the rotary cutter is matched with the rotating speed of the log, the rotary cutter is enabled to rotary-cut a log with equal thickness, if the coaxiality of the detected log exceeds an error, the two groups of clamping shafts are newly clamped by the two groups of clamping shafts, and the log can be coaxial with the two groups of clamping shafts within the coaxiality range; the device is convenient for detecting whether the log to be rotary-cut is coaxial with the two groups of clamping shafts, ensures the cutting precision during rotary-cut, avoids overlarge cutter-taking amount of the rotary-cut cutter, and improves the reliability in the use process.

Preferably, the coaxial detection device comprises a connecting plate, moving rods, a fixed plate, springs, connecting blocks, supporting wheels, pointers, graduated scales, lifting devices and translation devices, wherein the lifting devices are arranged on a bottom plate through the translation devices, the translation devices are used for moving the lifting devices left and right, the connecting plate is arranged on the lifting devices, the lifting devices have the function of adjusting the height, the two groups of moving rods are all arranged on the connecting plate in a sliding manner, the fixed plate is fixedly arranged at the lower ends of the two groups of moving rods, the upper ends of the springs are fixedly arranged on the connecting plate, the lower ends of the springs are fixedly arranged on the fixed plate, the connecting blocks are fixedly arranged at the lower ends of the fixed plate, the supporting wheels are rotatably arranged at the lower ends of the connecting blocks, the pointers are fixedly arranged on the fixed plate, the upper parts of the graduated scales are fixedly arranged on the connecting plate, and the pointers point to graduation lines on the graduated scales; when the coaxiality of the log and the two groups of clamping shafts is detected, the two groups of clamping shafts are firstly inserted into the left part and the right part of the log respectively, then the connecting plate is enabled to descend through the lifting device, the connecting plate enables the fixing plate to drive the connecting block to descend, the connecting block drives the supporting wheel to descend until the lower end of the supporting wheel is in contact with the upper end of the log, the spring is enabled to be in a compressed state, then the pointer points to the scale numerical value on the scale at the moment, then the clamping shaft is enabled to drive the log to rotate, if the clamping shaft is coaxial with the log, the height of the supporting wheel is not changed when the pointer points to the scale numerical value of the scale to rotate, if the clamping shaft is coaxial with the log, the scale numerical value of the pointer does not change, if the clamping shaft is not coaxial with the log, the height of the supporting wheel is changed until the supporting wheel is in contact with the log when the log rotates, then the supporting wheel is enabled to change, the supporting wheel can drive the height of the pointer through the connecting block, then the changing of the scale numerical value on the fixing plate, the pointer can be inferred that the coaxiality of the log and the clamping shaft is within an error range, if the coaxiality is within the error range, and the coaxiality of the clamping shaft is detected again is convenient.

Preferably, the left-right moving device comprises an electric sliding rail A and a sliding block A, wherein the electric sliding rail A is arranged on the bottom plate, the sliding block A is arranged on the electric sliding rail A, the electric sliding rail A is used for moving the sliding block A left and right, and the support plate is arranged on the sliding block A; and opening the electric slide rail A, wherein the electric slide rail A enables the support plate to move in the left-right direction through the slide block A.

Preferably, the back-and-forth moving device comprises an electric sliding rail B and a supporting frame, wherein the electric sliding rail B is arranged on the bottom plate, the supporting frame is arranged on the electric sliding rail B, the rotary cutter is arranged on the supporting frame, and the electric sliding rail B is used for moving the supporting frame back and forth; when the log is rotary-cut, the electric slide rail B is opened, and the electric slide rail B drives the support frame to enable the rotary cutter to move backwards at the moving speed to rotary-cut the log.

Preferably, the lifting device comprises a supporting frame, a power motor, a screw and a lifting block, wherein the supporting frame is arranged on the translation device, the power motor is fixedly arranged at the upper end of the supporting frame, the screw is rotatably arranged on the supporting frame, the upper end of the screw is connected with the output end of the power motor, the lifting block is vertically and slidably arranged on the supporting frame, the lifting block is in threaded connection with the screw, and the connecting plate is fixedly arranged on the lifting block; when the height of the connecting plate is adjusted, the power motor is turned on, the power motor drives the screw rod to rotate, the rotating screw rod enables the connecting plate to adjust the height through the lifting block, the connecting plate enables the fixing plate to drive the connecting block to adjust the height through the spring, and the connecting block drives the supporting wheel to adjust the height; the height of the supporting wheel can be adjusted, so that the supporting wheel can detect coaxiality of logs with different diameters, and is low in limitation and convenient to use.

Preferably, the translation device comprises two groups of supporting blocks, a micro motor, a screw and translation blocks, wherein the two groups of supporting blocks are respectively and fixedly arranged at the left two parts of the bottom plate, the micro motor is fixedly arranged on the left supporting block, the screw is rotatably arranged on the two groups of supporting blocks, the left end of the screw is connected with the output end of the micro motor, the translation blocks are horizontally and slidably arranged on the bottom plate, the translation blocks are in threaded connection with the screw, and the support frame is fixedly arranged at the upper end of the translation blocks; the micro motor is turned on, the micro motor drives the screw rod to rotate, the rotating screw rod enables the supporting frame to move in the left-right direction through the translation block, the supporting frame enables the connecting plate to drive the two groups of moving rods to move in the left-right direction through the lifting block, and the moving rods enable the connecting block to drive the supporting wheels to move in the left-right direction through the supporting frame; because the supporting wheel can move left and right, the coaxiality between the log and the clamping shaft at different positions in the left-right direction can be detected, and the device is convenient to use and low in limitation.

Preferably, the surface of the supporting wheel is provided with a wear-resistant coating.

Compared with the prior art, the utility model has the beneficial effects that: the coaxiality of the log to be rotary-cut and the two groups of clamping shafts is conveniently detected, the cutting precision in rotary-cut is ensured, the excessive cutting amount of the rotary-cut knife is avoided, and the reliability in the use process is improved.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

fig. 2 is a schematic structural view of a support frame, a screw, a support plate, etc.;

FIG. 3 is a schematic view of the structure of the translation device and the lifting device;

FIG. 4 is a schematic view of the structure of FIG. 3, partially enlarged at A;

FIG. 5 is a schematic diagram of the front view of the present utility model;

the reference numerals in the drawings: 1. a bottom plate; 2. a rotary cutter; 3. a support plate; 4. a clamping shaft; 5. a pointed cone; 6. a servo motor; 7. a connecting plate; 8. a moving rod; 9. a fixing plate; 10. a spring; 11. a connecting block; 12. a support wheel; 13. a pointer; 14. a graduated scale; 15. an electric slide rail A; 16. a sliding block A; 17. an electric slide rail B; 18. a support frame; 19. a support frame; 20. a power motor; 21. a screw rod; 22. a lifting block; 23. a support block; 24. a micro motor; 25. a screw; 26. and translating the block.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 5, the log rotary cutter of the present utility model comprises a base plate 1, a rotary cutter 2, a front-back moving device, two sets of support plates 3, two sets of clamping shafts 4, a plurality of sets of spikes 5, a servo motor 6, a coaxial detecting device and two sets of left-right moving devices, wherein the rotary cutter 2 is mounted on the base plate 1 through the front-back moving device, the front-back moving device is used for moving the rotary cutter 2 in the front-back direction, the two sets of support plates 3 are respectively mounted on left-right parts of the base plate 1 through the two sets of left-right moving devices, the left-right moving device is used for moving the support plates 3 in the left-right direction, the two sets of clamping shafts 4 are respectively rotatably mounted on the two sets of support plates 3, the two sets of clamping shafts 4 are coaxial, the plurality of spikes 5 are fixedly mounted on the two sets of clamping shafts 4, the servo motor 6 is fixedly mounted on the support plates 3 on the right side, the servo motor 6 on the right side is connected with the output end of the clamping shaft 4 on the right side, the coaxial detecting device is mounted on the base plate 1, and the coaxial detecting device has the function of detecting coaxiality;

when the wood veneer rotary cutter is used, firstly, a log to be rotary-cut is moved between two groups of clamping shafts 4 through a forklift, the log is approximately positioned at a position coaxial with the two groups of clamping shafts 4, then the two groups of support plates 3 drive the two groups of clamping shafts 4 to be mutually close through two groups of left and right moving devices, the two groups of clamping shafts 4 respectively insert a plurality of groups of pointed cones 5 into the left and right ends of the log in the process of being mutually close, the log is clamped by the two groups of clamping shafts 4, then the forklift is moved, then a servo motor 6 is opened, the servo motor 6 drives the plurality of groups of pointed cones 5 to drive the log to rotate through the clamping shafts 4, then a coaxial detection device is used for detecting whether the log is coaxial with the two groups of clamping shafts 4, if the log is coaxial with the two groups of clamping shafts 4, the clamping shafts 4 are driven to rotate at a certain speed through the servo motor 6, then the rotary cutter 2 is forwards close at a moving speed, the moving speed of the rotary cutter 2 is matched with the rotating speed of the log, the rotary cutter 2 is rotary-cut into a wood veneer with equal thickness on the log, and if the detected log coaxiality error exceeds the two groups of clamping shafts 4, namely, the log coaxiality error exceeds the two groups of clamping shafts 4; the device is convenient for detecting whether the log to be rotary-cut is coaxial with the two groups of clamping shafts 4, ensures the cutting precision during rotary-cut, avoids overlarge cutter-taking amount of the rotary cutter 2, and improves the reliability in the use process.

As shown in fig. 4, the coaxial detection device comprises a connecting plate 7, a moving rod 8, a fixed plate 9, a spring 10, a connecting block 11, a supporting wheel 12, a pointer 13, a graduated scale 14, a lifting device and a translation device, wherein the lifting device is arranged on a bottom plate 1 through the translation device and is used for moving the lifting device left and right, the connecting plate 7 is arranged on the lifting device, the lifting device has the function of adjusting the height, two groups of moving rods 8 are both arranged on the connecting plate 7 in a sliding manner, the fixed plate 9 is fixedly arranged at the lower ends of the two groups of moving rods 8, the upper end of the spring 10 is fixedly arranged on the connecting plate 7, the lower end of the spring 10 is fixedly arranged on the fixed plate 9, the connecting block 11 is fixedly arranged at the lower end of the fixed plate 9, the supporting wheel 12 is rotatably arranged at the lower end of the connecting block 11, the pointer 13 is fixedly arranged on the fixed plate 9, the upper part of the graduated scale 14 is fixedly arranged on the connecting plate 7, and the pointer 13 points to the graduated scale 14;

when the coaxiality of the log and the two groups of clamping shafts 4 is detected, the two groups of clamping shafts 4 are firstly inserted into the left part and the right part of the log respectively, then the connecting plate 7 is lowered through the lifting device, the connecting plate 7 drives the connecting block 11 to be lowered through the spring 10, the connecting block 11 drives the supporting wheel 12 to be lowered until the lower end of the supporting wheel 12 is contacted with the upper end of the log, the spring 10 is in a compressed state, then the pointer 13 points to the scale value on the graduated scale 14, then the clamping shaft 4 is enabled to drive the log to rotate, if the clamping shaft 4 is coaxial with the log, the scale value of the supporting wheel 12 does not change when the log rotates, if the clamping shaft 4 is not coaxial with the log, the height of the supporting wheel 12 at the contact surface of the log when the log rotates is changed, then the supporting wheel 12 changes the height of the supporting wheel 12 through the connecting block 11, the fixing plate 9 drives the pointer 13, then the pointer 13 points to the scale value on the graduated scale 14 is observed, if the coaxiality error of the clamping shaft 4 can be measured, and if the coaxiality error exceeds the coaxiality range is detected, and the coaxiality error is further adjusted.

As shown in fig. 1, an electric slide rail B17 is mounted on the base plate 1, a supporting frame 18 is mounted on the electric slide rail B17, a rotary cutter 2 is mounted on the supporting frame 18, the electric slide rail B17 is used for moving the supporting frame 18 back and forth,

when the log is rotary-cut, the electric slide rail B17 is opened, and the electric slide rail B17 drives the support frame 18 to enable the rotary cutter 2 to move backwards at a moving speed to rotary-cut the log.

As shown in fig. 1, the left-right moving device comprises an electric sliding rail a15 and a sliding block a16, wherein the electric sliding rail a15 is installed on the bottom plate 1, the sliding block a16 is installed on the electric sliding rail a15, the electric sliding rail a15 is used for moving the sliding block a16 left and right, and the support plate 3 is installed on the sliding block a 16; the electric slide rail a15 is opened, and the support plate 3 can be moved in the left-right direction by the electric slide rail a15 through the slider a 16.

As shown in fig. 3, a power motor 20 is fixedly installed at the upper end of a supporting frame 19, a screw rod 21 is rotatably installed on the supporting frame 19, the upper end of the screw rod 21 is connected with the output end of the power motor 20, a lifting block 22 is vertically and slidably installed on the supporting frame 19, the lifting block 22 is in threaded connection with the screw rod 21, a connecting plate 7 is fixedly installed on the lifting block 22, two groups of supporting blocks 23 are respectively fixedly installed at the left two parts of a bottom plate 1, a micro motor 24 is fixedly installed on the left supporting block 23, a screw rod 25 is rotatably installed on the two groups of supporting blocks 23, the left end of the screw rod 25 is connected with the output end of the micro motor 24, a translation block 26 is horizontally and slidably installed on the bottom plate 1, the translation block 26 is in threaded connection with the screw rod 25, and the supporting frame 19 is fixedly installed at the upper end of the translation block 26;

when the height of the connecting plate 7 is adjusted, the power motor 20 is turned on, the power motor 20 drives the screw rod 21 to rotate, the rotating screw rod 21 enables the connecting plate 7 to adjust the height through the lifting block 22, the connecting plate 7 enables the fixing plate 9 to drive the connecting block 11 to adjust the height through the spring 10, and the connecting block 11 drives the supporting wheel 12 to adjust the height; because the height of the supporting wheel 12 can be adjusted, the coaxiality of logs with different diameters can be detected, the limitation is low, and the use is convenient.

The micro motor 24 is turned on, the micro motor 24 drives the screw rod 25 to rotate, the rotating screw rod 25 enables the supporting frame 19 to move in the left-right direction through the translation block 26, the supporting frame 19 enables the connecting plate 7 to drive the two groups of moving rods 8 to move in the left-right direction through the lifting block 22, and the moving rods 8 enable the connecting block 11 to drive the supporting wheels 12 to move in the left-right direction through the supporting frame 19; the supporting wheel 12 can move left and right, so that coaxiality of the log and the clamping shaft 4 at different positions in the left and right direction can be detected, and the device is convenient to use and low in limitation.

The surface of the support wheel 12 is provided with a wear resistant coating.

Example 2

On the basis of embodiment 1, two groups of moving rods 8 are replaced by two groups of telescopic rods, the upper ends of the two groups of telescopic rods are fixedly arranged on the connecting plate 7, the moving ends of the lower parts of the two groups of telescopic rods are fixedly arranged on the fixed plate 9, and the function of flexible connection between the fixed plate 9 and the connecting plate 7 can be realized.

The rotary cutter 2, the pointed cone 5, the servo motor 6, the spring 10, the graduated scale 14, the electric slide rail A15, the electric slide rail B17, the power motor 20 and the micro motor 24 of the log rotary cutter are all purchased on the market, and can be installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The log rotary cutter comprises a bottom plate (1), a rotary cutter (2) and a front-back moving device, wherein the rotary cutter (2) is arranged on the bottom plate (1) through the front-back moving device, and the front-back moving device is used for moving the rotary cutter (2) in the front-back direction; the device is characterized by further comprising two groups of support plates (3), two groups of clamping shafts (4), multiple groups of pointed cones (5), a servo motor (6), a coaxial detection device and two groups of left-right movement devices, wherein the two groups of support plates (3) are respectively arranged at the left part and the right part of the bottom plate (1) through the two groups of left-right movement devices, the left-right movement devices are used for moving the support plates (3) in the left-right direction, the two groups of clamping shafts (4) are respectively rotatably arranged on the two groups of support plates (3), the two groups of clamping shafts (4) are coaxial, the multiple groups of pointed cones (5) are fixedly arranged on the two groups of clamping shafts (4), the servo motor (6) is fixedly arranged on the support plates (3) on the right side, the servo motor (6) on the right side is connected with the output end of the right side clamping shaft (4), the coaxial detection device is arranged on the bottom plate (1), and the coaxial detection device has the function of detecting coaxiality.

2. The log rotary cutting machine according to claim 1, wherein the coaxial detecting device comprises a connecting plate (7), moving rods (8), a fixed plate (9), a spring (10), a connecting block (11), a supporting wheel (12), a pointer (13), a graduated scale (14), a lifting device and a translation device, wherein the lifting device is arranged on the bottom plate (1) through the translation device and used for moving the lifting device left and right, the connecting plate (7) is arranged on the lifting device, the lifting device has the function of adjusting the height, the two groups of moving rods (8) are all arranged on the connecting plate (7) in a sliding manner up and down, the fixed plate (9) is fixedly arranged at the lower ends of the two groups of moving rods (8), the upper end of the spring (10) is fixedly arranged on the connecting plate (7), the lower end of the spring (10) is fixedly arranged on the fixed plate (9), the connecting block (11) is fixedly arranged at the lower end of the fixed plate (9), the supporting wheel (12) is rotatably arranged at the lower end of the connecting block (11), the pointer (13) is fixedly arranged on the fixed plate (9), the upper part of the graduated scale (14) is fixedly arranged on the connecting plate (7), and the pointer (13) points to the graduated scale.

3. The log rotary cutting machine according to claim 1, wherein the left-right moving means comprises an electric slide rail a (15) and a slide block a (16), the electric slide rail a (15) is mounted on the base plate (1), the slide block a (16) is mounted on the electric slide rail a (15), the electric slide rail a (15) is used for moving the slide block a (16) left-right, and the support plate (3) is mounted on the slide block a (16).

4. A log rotary cutter as defined in claim 1, wherein the forward and backward moving means comprises an electric slide B (17) and a support frame (18), the electric slide B (17) is mounted on the base plate (1), the support frame (18) is mounted on the electric slide B (17), the rotary cutter (2) is mounted on the support frame (18), and the electric slide B (17) is adapted to move the support frame (18) forward and backward.

5. The log rotary cutting machine according to claim 2, wherein the lifting device comprises a supporting frame (19), a power motor (20), a screw rod (21) and a lifting block (22), the supporting frame (19) is mounted on the translation device, the power motor (20) is fixedly mounted at the upper end of the supporting frame (19), the screw rod (21) is rotatably mounted on the supporting frame (19), the upper end of the screw rod (21) is connected with the output end of the power motor (20), the lifting block (22) is mounted on the supporting frame (19) in a vertically sliding manner, the lifting block (22) is screwed with the screw rod (21), and the connecting plate (7) is fixedly mounted on the lifting block (22).

6. The log rotary cutting machine according to claim 5, wherein the translation device comprises two groups of supporting blocks (23), a micro motor (24), a screw rod (25) and translation blocks (26), wherein the two groups of supporting blocks (23) are respectively and fixedly installed at the left two parts of the bottom plate (1), the micro motor (24) is fixedly installed on the left supporting block (23), the screw rod (25) is rotatably installed on the two groups of supporting blocks (23), the left end of the screw rod (25) is connected with the output end of the micro motor (24), the translation blocks (26) are installed on the bottom plate (1) in a left-right sliding mode, the translation blocks (26) are in threaded connection with the screw rod (25), and the supporting frame (19) is fixedly installed at the upper end of the translation blocks (26).

7. A log rotary cutting machine according to claim 2, characterized in that the surface of the supporting wheel (12) is provided with a wear-resistant coating.