CN108098464B - Wood grinding and polishing method - Google Patents
Wood grinding and polishing method Download PDFInfo
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- CN108098464B CN108098464B CN201810111499.1A CN201810111499A CN108098464B CN 108098464 B CN108098464 B CN 108098464B CN 201810111499 A CN201810111499 A CN 201810111499A CN 108098464 B CN108098464 B CN 108098464B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a wood grinding and polishing method, which comprises the following steps: in the grinding and polishing process, the workpiece and the grinding wheel generate transverse (namely parallel to the surface direction of the workpiece) relative motion, meanwhile, longitudinal clutch motion (namely vertical to the surface direction of the workpiece) is generated between the grinding wheel and the workpiece, grinding wires of the grinding wheel can penetrate into concave seams of the workpiece through the longitudinal clutch motion, and wood chips in the concave seams are taken out, so that the grinding and polishing effect on the concave seams is improved. The wood grinding and polishing method adopts a novel grinding wheel, the grinding wheel comprises a grinding wheel core body and grinding and polishing wires, and the grinding and polishing wires are vertically arranged on the grinding wheel core body along the radial direction of the grinding wheel; the grinding and polishing wire is of a spiral structure, the grinding and polishing wire is preferably made of nylon, the surface of the grinding and polishing wire has larger roughness, the contact area between the grinding and polishing wire and a processed workpiece can be increased compared with that of a traditional linear grinding and polishing material of the spiral structure, and the spiral structure can promote wood chips to be brought out of a concave surface, so that the grinding and polishing effect is improved.
Description
Technical Field
The invention belongs to the technical field of wood grinding and polishing, and particularly relates to a wood grinding and polishing method.
Background
In the wood processing process, flaws such as burrs, flashes and the like are remained on the surface of the wood subjected to primary processing, the surface of the wood needs to be polished, and the wood polishing equipment is used for polishing the surface of the wood. The grinding and polishing equipment is provided with a grinding and polishing main shaft, the tail end of the grinding and polishing main shaft is provided with a grinding wheel or a polishing wheel, the surface of the grinding wheel is mainly made of nylon or metal wires and is vertical, the existing wood grinding and polishing equipment has a good grinding and polishing effect on the plane grinding and polishing of some flat wood, but the grinding and polishing effect on the concave-convex surfaces with patterns on the surfaces of some wood boards is unsatisfactory.
For the grinding and polishing of the concave-convex surface, in the grinding and polishing process, the grinding material on the surface of the grinding wheel is not easy to contact the bottom of the concave surface because the grinding material is always in a compression deformation state, and the ground debris can be remained in the concave surface and is not easy to discharge, so that the grinding material of the grinding wheel can not act on the concave surface.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a wood grinding and polishing method, which can greatly improve the grinding and polishing effect on the concave-convex surface of wood.
The invention is realized by the following technical scheme:
a wood grinding and polishing method comprises the following steps: in the grinding and polishing process, the workpiece and the grinding wheel generate transverse (namely parallel to the surface direction of the workpiece) relative motion, meanwhile, longitudinal clutch motion (namely vertical to the surface direction of the workpiece) is generated between the grinding wheel and the workpiece, grinding wires of the grinding wheel can penetrate into concave seams of the workpiece through the longitudinal clutch motion, and wood chips in the concave seams are taken out, so that the grinding and polishing effect on the concave seams is improved.
In the technical scheme, the grinding wires on the surface of the grinding wheel are distributed along the radial direction of the grinding wheel, and in the grinding and polishing process, after the grinding wheel is separated from the workpiece by a certain gap, the grinding wires of the grinding wheel are changed into the vertical state again, so that when the grinding wheel is pressed on the workpiece again, the vertical grinding wires of the grinding wheel can penetrate into the concave seams of the workpiece.
In the technical scheme, the wood grinding and polishing method adopts a novel grinding wheel, the grinding wheel comprises a grinding wheel core body and a grinding and polishing wire, and the grinding and polishing wire is vertically arranged on the grinding wheel core body along the radial direction of the grinding wheel; the grinding and polishing wire is of a spiral structure, the grinding and polishing wire is preferably made of nylon, the surface of the grinding and polishing wire has larger roughness, the contact area between the grinding and polishing wire and a processed workpiece can be increased compared with that of a traditional linear grinding and polishing material of the spiral structure, and the spiral structure can promote wood chips to be brought out of a concave surface, so that the grinding and polishing effect is improved.
In the technical scheme, the wood grinding and polishing method adopts a novel grinding wheel, the grinding wheel comprises a grinding wheel core body and a grinding and polishing material, the grinding wheel core body is used for driving the grinding and polishing material to roll, and the grinding and polishing material is used for removing burrs and flashes on the surface of the wood; the grinding wheel core body is a cylindrical metal core body, and a through hole penetrating through the left end and the right end is formed in the grinding wheel core body.
Furthermore, a plurality of screw holes are formed in two end faces of the grinding wheel core body, so that the grinding wheel can be conveniently installed and replaced.
Furthermore, the inner side wall of the fixing through hole is provided with a key groove, and the key groove on the fixing through hole on the grinding wheel is buckled with the axis of the tail end of the main shaft, so that the grinding wheel is firmly combined with the main shaft.
Further, the polishing material comprises a first polishing material and a second polishing material; the first grinding and polishing material is planar and covers the side face of the grinding wheel core body; the second grinding and polishing material is in a belt shape, and the second grinding and polishing material is spirally wound on the surface of the first friction material from one end to the other end of the grinding wheel core. When the grinding wheel works, the first grinding and polishing material is fully contacted with the surface plane of the workpiece to grind and polish the surface plane of the workpiece. For the concave-convex part on the surface of the workpiece, the second grinding and polishing material is in a belt-shaped structure, so that the concave-convex part can be effectively ground and polished, the grinding and polishing quality can be improved, and the excessive abrasion on the surface of the workpiece can be avoided.
Further, the first polishing material is nylon or metal wire.
Further, the second polishing material is wool, and the first polishing material and the second polishing material are not limited to the above materials, such as soft material cotton, fiber, and the like.
The invention has the advantages and beneficial effects that:
the wood grinding and polishing method of the invention utilizes the vibration driving device to drive the workpiece to generate longitudinal vibration while the workpiece and the grinding wheel generate transverse grinding and polishing motion (namely the direction parallel to the surface of the workpiece), so that longitudinal clutch motion (namely the direction vertical to the surface of the workpiece) is generated between the grinding wheel and the workpiece, and the grinding wires of the grinding wheel can penetrate into the concave seam of the workpiece through the longitudinal clutch motion (the grinding wires used on the surface of the grinding wheel are mainly nylon or metal wires and are arranged along the radial direction of the grinding wheel.
In addition, the wood grinding and polishing method adopts a novel grinding wheel, and the grinding wheel comprises a grinding wheel core body and grinding and polishing wires, wherein the grinding and polishing wires are vertically arranged on the grinding wheel core body along the radial direction of the grinding wheel; the grinding and polishing wire is of a spiral structure, the grinding and polishing wire is preferably made of nylon, the surface of the grinding and polishing wire has larger roughness, the contact area between the grinding and polishing wire and a processed workpiece can be increased compared with that of a traditional linear grinding and polishing material of the spiral structure, and the spiral structure can promote wood chips to be brought out of a concave surface, so that the grinding and polishing effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a wood polishing apparatus according to a first embodiment of the present invention.
Fig. 2 is a top view of a wood burnishing apparatus according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a vibration table of the wood polishing apparatus according to the first embodiment of the present invention.
Fig. 4 is a schematic side view of the wood polishing apparatus according to the second embodiment of the present invention.
Fig. 5 is a schematic top view of the wood polishing apparatus according to the second embodiment of the present invention.
Fig. 6 is a schematic front view of a wood polishing apparatus according to a second embodiment of the present invention.
Fig. 7 is a schematic view of the structure of the grinding wheel according to the third embodiment of the present invention.
Fig. 8 is a schematic structural view of a polishing wire according to a third embodiment of the present invention.
Fig. 9 is a schematic view of the structure of the grinding wheel according to the fourth embodiment of the present invention.
In FIGS. 1-3: 1: a base, 2: vibration table, 3: gantry, 4: pallet, 5: spindle box, 6: and (7) grinding wheels.
In FIGS. 4-6: 10: base, 20: table, 30: gantry, 40: first main shaft, 50: second main shaft, 60: longitudinal vibration transmitting device, 70: and (5) a workpiece.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
Referring to the attached drawings 1-3, the wood grinding and polishing equipment comprises a base 1, a vibration workbench 2, a portal frame 3, a supporting plate 4 and a spindle box 5.
An X-axis sliding rail 1-1 and an X-axis rack 1-2 which are arranged along the X-axis direction are arranged on the base 1, the bottom end of the portal frame 3 is slidably mounted on the base 1 through the X-axis sliding rail, a gear and an X-axis driving motor connected with the gear are arranged at the bottom end of the portal frame, the gear is meshed with the X-axis rack, and the portal frame is driven to move along the X-axis direction through the X-axis driving motor;
a beam of the portal frame 3 is provided with a Y-axis slide rail 3-1 and a Y-axis lead screw 3-2 which are arranged along the Y-axis direction, the supporting plate 4 is arranged on the beam of the portal frame in a sliding way through the Y-axis slide rail, the back of the supporting plate is connected with the Y-axis lead screw, the Y-axis lead screw is connected with a Y-axis driving motor 3-3, and the supporting plate 4 is driven to move along the Y-axis direction through the Y-axis driving motor;
a Z-axis slide rail 4-1 and a Z-axis screw 4-2 which are arranged along the Z-axis direction are arranged on the front surface of the supporting plate 4, the spindle box 5 is arranged on the supporting plate 4 in a sliding mode through the Z-axis slide rail, the spindle box 5 is connected with the Z-axis screw, the Z-axis screw is connected with a Z-axis driving motor 4-3, and the spindle box is driven to move along the Z-axis direction through the Z-axis driving motor;
a grinding wheel 6 for grinding wood is arranged at the tail end of the main shaft box;
the vibration workbench 2 is arranged on the base 1, and is composed of a lower platform 2-1, an upper platform 2-2, a polished rod 2-3, a spring 2-4 and a vibration motor 2-5, wherein the lower platform is fixed on the base, the upper platform is arranged above the lower platform through the polished rod, the spring is arranged on the polished rod between the upper platform and the lower platform, the top end of the polished rod is fixedly connected with the upper platform, the lower platform is provided with a through hole matched with the polished rod, the polished rod is vertically and slidably arranged in the through hole of the lower platform, the bottom end of the polished rod is fixedly connected with a limit nut, and a cushion block 2-6 is arranged between the lower platform and the base so as to ensure that enough height space is formed between the lower platform and the base for the bottom end of the polished rod to move up and down; the vibrating motor is fixedly arranged at the center of the bottom of the upper platform.
The method for grinding and polishing the wood by using the wood grinding and polishing equipment comprises the following steps:
fixing a wood plate workpiece to be processed on an upper platform of a vibration workbench, adjusting the Z-direction height and the Y-direction position of a spindle box to proper positions, starting a spindle to enable a grinding wheel to rotate, enabling a portal frame to slide along the X-axis direction to grind and polish the surface of the workpiece, enabling a vibration motor of the vibration workbench to drive the upper platform to vibrate up and down in the grinding and polishing process, enabling the workpiece on the upper platform to vibrate along with the upper platform, enabling the grinding wheel and the workpiece to generate longitudinal clutch motion, enabling grinding wires of the grinding wheel to penetrate into concave seams of the workpiece through the longitudinal clutch motion (the grinding wires used on the surface of the grinding wheel are mainly nylon or metal wires and are arranged along the radial direction of the grinding wheel, and when the grinding wheel is separated from the workpiece by a certain gap, the grinding wires of the grinding wheel are changed into an upright state again, so that when the grinding wheel is pressed on the workpiece again, the upright grinding wires of, and the sawdust in the concave joint is taken out, so that the grinding and polishing effect on the concave joint is improved.
Example two
Referring to fig. 4-6, a wood polishing apparatus includes a base 10, a table 20, a gantry 30, a first spindle 40, a second spindle 50, and a longitudinal vibration conveyor 60.
The workbench 20 is fixed on the base 10; the longitudinal vibration conveying device 60 is arranged on the workbench and is used for conveying workpieces 70; the portal frame 30 is fixedly arranged on the workbench 20; the gantry 30 comprises a beam and two columns for supporting the beam, the first spindle 40 and the second spindle 50 are arranged on the beam of the gantry 30, and the output ends of the first spindle 40 and the second spindle 50 are respectively provided with a grinding wheel; the gantry type automatic feeding device is characterized in that a sliding rail and a lead screw are arranged on a cross beam of the gantry 30 along the length direction of the cross beam, the first main shaft 40 and the second main shaft 50 are both slidably mounted on the sliding rail and are connected with the lead screw, one end of the lead screw is connected with a driving motor, and the first main shaft 40 and the second main shaft 50 are driven to move along the cross beam through the driving motor.
The longitudinal vibration conveying device 60 comprises a conveying crawler 61, two driving wheels 62, a supporting wheel 63, a first transmission rod 641 and a second transmission rod 642, wherein the two driving wheels 62 are respectively arranged at two ends of the conveying crawler; the number of the supporting wheels 63 is at least two, the supporting wheels 63 are arranged between the two driving wheels at equal intervals through brackets 65, wherein the brackets 65 are arranged on a sliding groove 68 in the vertical direction, and the brackets can vertically slide up and down on the sliding groove 68; the bottom of the bracket is provided with an elastic supporting piece 69 which is a spring or other elastic parts, and for some heavy workpieces, the pressure of the heavy workpieces on the transmission rod can be relieved through the action of the elastic supporting piece, so that the conveying device can operate more flexibly; the sliding groove 68 and the elastic supporting piece 69 are fixed on the workbench 20; the middle part of the first transmission rod 641 is provided with a rotary pivot, one end of the first transmission rod 641 extends to the end surface of the driving wheel 62 and is provided with a spherical end head 66, the other end of the first transmission rod 641 is hinged with one end of the second transmission rod 642, the other end of the second transmission rod 642 is hinged with the bracket 65, and the end surface of the driving wheel 62 is provided with a cam 67 corresponding to the spherical end head 66 of the first transmission rod. The cams and the driving wheel are distributed on the driving wheel concentrically and uniformly at intervals.
When the automatic polishing machine works, a workpiece is conveyed to the lower part of the portal frame by the conveying crawler under the driving of the driving wheels, the first main shaft and the second main shaft on the portal frame are adjusted to proper processing positions under the driving of the driving motor, and the grinding wheels arranged at the tail ends of the first main shaft and the second main shaft polish the workpiece on the conveying crawler. When the driving wheel 62 rotates, the cam 67 on the driving wheel contacts with the spherical end 66 on the first transmission rod, and along with the rotation of the driving wheel, the cam and the spherical end are pressed to be separated from each other, so that the cam drives the first transmission rod to move, the other end of the first transmission rod drives the second transmission rod, the second transmission rod further drives the bracket to slide up and down along the sliding groove 68, when the bracket moves up and down, the supporting wheel on the bracket drives the transmission crawler to generate longitudinal vibration, the workpiece 70 on the transmission crawler vibrates along with the longitudinal vibration, so that longitudinal clutch motion is generated between the grinding wheel and the workpiece, and the grinding wires of the grinding wheel can penetrate into the concave seam of the workpiece through the longitudinal clutch motion (the grinding wires used on the surface of the grinding wheel are mainly nylon or metal wires and are arranged along the radial direction of the grinding wheel, and when the grinding wheel is separated from the workpiece by a certain gap, therefore, when the grinding wheel presses the workpiece again, the upright grinding wires of the grinding wheel can penetrate into the concave joint of the workpiece), and the wood chips in the concave joint are taken out, so that the grinding and polishing effects on the concave joint are improved.
Furthermore, the driving wheel is connected with a driving motor, and the driving motor provides energy for the operation of the driving wheel, so that automatic control is realized.
Further, the conveying track is provided with fixing parts at equal intervals, the fixing parts are two stop blocks, one stop block is fixedly arranged at one end of the conveying track, and the other stop block is movably arranged at the other end corresponding to the fixed stop block. The movable stopper is fixed at a position slightly wider than the width of the workpiece according to the width of the workpiece, so that the workpiece can move up and down under the action of the cam mechanism, and the workpiece is prevented from sliding on the conveying track.
EXAMPLE III
The wood grinding and polishing equipment adopts a novel grinding wheel, and referring to the attached figure 7, the grinding wheel comprises a grinding wheel core body 90 and grinding and polishing wires 91, and the grinding and polishing wires 91 are vertically arranged on the grinding wheel core body 90 along the radial direction of the grinding wheel. Referring to fig. 8, the grinding and polishing wire 91 is of a spiral structure, the grinding and polishing wire 91 is preferably made of nylon, the surface of the grinding and polishing wire 91 has a larger roughness, the contact area between the grinding and polishing wire and a processed workpiece can be increased compared with that of a traditional linear grinding and polishing material, and the spiral structure can promote wood chips to be taken out of a concave surface, so that the grinding and polishing effect is improved.
Example four
The wood polishing equipment adopts another novel grinding wheel, which is shown in figure 9 and comprises a grinding wheel core 81 and a polishing material 82, wherein the grinding wheel core is used for driving the polishing material to roll, and the polishing material is used for removing burrs and flashes on the surface of the wood.
The grinding wheel core body 81 is a cylindrical metal core body, fixing through holes 810 penetrating through the left end and the right end are formed in the grinding wheel core body, more than three fixing screw holes 811 are formed in two end faces of the grinding wheel core body, and therefore the grinding wheel can be conveniently installed and replaced. When the grinding wheel is arranged on the main shaft, the axis on the main shaft is sleeved in the fixing through hole, then the grinding wheel is fixed with the fixing screw hole through the bolt, and the grinding wheel is firmly combined with the main shaft through the two-step fixing. When the grinding wheel is detached from the main shaft, the steps are opposite, the bolt on the fixed screw hole is detached, and then the axis on the grinding and polishing main shaft is detached from the fixed through hole. When the grinding wheel works, the main shaft drives the grinding wheel core body to rotate, and grinding and polishing materials on the grinding wheel core body and a workpiece are fully ground and polished.
The polishing material 82 includes a first polishing material 820 and a second polishing material 821; the first grinding and polishing material is planar and covers the side face of the grinding wheel core body; the second grinding and polishing material is in a belt shape, and the second grinding and polishing material is spirally wound on the surface of the first friction material from one end to the other end of the grinding wheel core. When the grinding wheel works, the first grinding and polishing material is fully contacted with the surface plane of the workpiece to grind and polish the surface plane of the workpiece. For the concave-convex part on the surface of the workpiece, the second grinding and polishing material is in a belt-shaped structure, so that the concave-convex part can be effectively ground and polished, the grinding and polishing quality can be improved, and the excessive abrasion on the surface of the workpiece can be avoided.
Further, the first polishing material is nylon or metal wire, the second polishing material is wool, and the first polishing material and the second polishing material are not limited to the above materials, such as soft material cotton, fiber, and the like.
Further, the inner side wall of the fixing through hole is provided with a key groove 812, and the key groove on the fixing through hole on the grinding wheel is buckled with the axis of the tail end of the main shaft, so that the grinding wheel is firmly combined with the main shaft.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (5)
1. A wood grinding and polishing method is characterized in that: in the grinding and polishing process, the workpiece and the grinding wheel generate transverse relative motion, and meanwhile, the grinding wheel and the workpiece generate longitudinal clutch motion, grinding and polishing materials of the grinding wheel can go deep into the concave joint of the workpiece through the longitudinal clutch motion, and sawdust in the concave joint is taken out, so that the grinding and polishing effect on the concave joint is improved;
the wood grinding and polishing method adopts a novel grinding wheel, the grinding wheel comprises a grinding wheel core body and a grinding and polishing material, the grinding wheel core body is used for driving the grinding and polishing material to roll, and the grinding and polishing material is used for removing burrs and flashes on the surface of the wood; the grinding wheel core body is a cylindrical metal core body, and a through hole penetrating through the left end and the right end is formed in the grinding wheel core body;
the grinding and polishing material comprises a first grinding and polishing material and a second grinding and polishing material; the first grinding and polishing material is planar and covers the side face of the grinding wheel core body; the second grinding and polishing material is in a strip shape, and spirally winds the surface of the first grinding and polishing material from one end of the grinding wheel core body to the other end of the grinding wheel core body; when the grinding wheel works, the first grinding and polishing material is fully contacted with the surface plane of the workpiece, and the surface plane of the workpiece is ground and polished; for the concave-convex part on the surface of the workpiece, the second polishing material is in a belt-shaped structure to polish the concave-convex part, so that the polishing quality can be improved, and the excessive abrasion on the surface of the workpiece is avoided.
2. A wood burnishing method according to claim 1, wherein: and a plurality of screw holes are formed in two end surfaces of the grinding wheel core body.
3. A wood burnishing method according to claim 1, wherein: the inner side wall of the through hole is provided with a key groove, and the key groove on the fixing through hole on the grinding wheel is buckled with the axis of the tail end of the main shaft, so that the grinding wheel is combined with the main shaft more firmly.
4. A wood burnishing method according to claim 1, wherein: the first grinding and polishing material is nylon or metal wire.
5. A wood burnishing method according to claim 1, wherein: the second grinding and polishing material is wool.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810111499.1A CN108098464B (en) | 2018-02-05 | 2018-02-05 | Wood grinding and polishing method |
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|---|---|---|---|
| CN201810111499.1A CN108098464B (en) | 2018-02-05 | 2018-02-05 | Wood grinding and polishing method |
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| CN108098464B true CN108098464B (en) | 2020-01-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110695835A (en) * | 2019-11-25 | 2020-01-17 | 淮北市平祥感应炉有限公司 | Copper bar polishing machine |
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| CN108098464A (en) | 2018-06-01 |
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