JPH1034531A - Polishing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent deformation of a support member for supporting a polishing member. SOLUTION: A polishing device is provided with a pair of first support shafts 32a, 32b extended in the perpendicular direction, this first support shaft 32a, 32b is rotatably supported. In the first support shaft 32a, 32b, respective two polishing members 33 to 36 are mounted, each polishing member 33 to 36 is arranged in a different position in the perpendicular direction. Each of these polishing members 33 to 36 is brought into contact so as to be over a vertical width total unit in a rear side surface of wooden material, this rear side surface is polished. Total friction force relating to a rear side surface of each polishing member 33 to 36 is partially received by a pair of the first support shafts 32a, 32b, so as to decrease the friction force acting in each of both the first support shafts 32a, 32b smaller than in the past.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing apparatus for polishing, for example, wood.

[0002]

2. Description of the Related Art Conventionally, when a side surface (working surface) extending in the longitudinal direction of a piece of wood (processed material) formed in, for example, a square bar is painted, the side surface is polished to a state suitable for painting. Needed. A polishing apparatus for polishing a side surface of wood has a moving mechanism for moving the wood in its longitudinal direction. Further, the polishing apparatus is provided with one support shaft, and the support shaft extends in a direction parallel to a side surface of the wood to be painted and perpendicular to a moving direction of the wood.

[0003] The support shaft is rotatably supported about its axis. The output shaft of the electric motor is drive-coupled to the support shaft. When the electric motor is driven to rotate the output shaft, the support shaft rotates with the rotation of the output shaft. The support shaft penetrates a cylindrical polishing member in the axial direction, and the polishing member is attached to the support shaft so as to be integrally rotatable. The length of the polishing member in the axial direction is set to a value at which the polishing member can sufficiently polish the entire width of the side surface of the wood.

In order to grind the side surface of the wood with the above-mentioned polishing apparatus, the polishing member is brought into contact with the entire side surface of the wood in the width direction, and the support shaft and the grinding member are rotated by driving the electric motor, and the moving mechanism is moved. Moves the wood in the longitudinal direction. Then, the entire width direction of the side surface of the wood is sequentially polished by the polishing member along the longitudinal direction of the wood. When the polishing member grinds the side surface of the wood, the driving force of the electric motor acts on the support shaft, and the frictional force of the polishing member on the side surface of the wood acts in a direction orthogonal to the axis of the support shaft.

[0005]

However, in the above-mentioned polishing apparatus, since one polishing member that contacts the entire width direction of the side surface of the wood is supported by one support shaft, the polishing member acting on the support shaft is required. There was a problem that the frictional force against the side surface was increased, and the support shaft was easily deformed.

The support shaft is formed so as to extend in a direction perpendicular to the wood, and the frictional force of the polishing member against the side surface of the wood acts in a direction perpendicular to the support shaft. Therefore, there is a problem that the support shaft is easily curved in the longitudinal direction due to the frictional force of the polishing member on the side surface of the wood.

Further, the driving force of the electric motor is provided on the support shaft,
Since both the frictional force of the polishing member and the side surface of the wood work, there is a problem that the support shaft is more easily deformed.
The present invention has been made to solve the above problems, and a first object is to prevent a support member from being deformed.

A second object is to prevent the support shaft from bending in the longitudinal direction. Further, a third object is to make it difficult for the support shaft to be deformed even when both a force for rotating the support shaft with respect to the support shaft and a frictional force on the processing surface of the polishing member act. It is in.

[0009]

In order to achieve the above object, according to the first aspect of the present invention, in particular, a plurality of support members are provided, and each of the support members supports at least one polishing member. The polishing member was arranged at a different position in a direction intersecting the direction of relative movement of the support member and the workpiece.

In the invention described in claim 2, the support member is a rod-shaped support shaft, and the support shaft extends in a direction intersecting the direction of relative movement by the moving means.

According to the third aspect of the present invention, each of the support shafts is positively rotated about its axis, and the polishing member is attached to the support shaft and the polishing member is rotated with the rotation of the support shaft. It was assumed to rotate.

That is, according to the first aspect of the present invention, the polishing members provided on the respective support members are located at different positions on the processing surface of the processing material with respect to a direction intersecting the direction of relative movement between the support member and the processing material. Is contacted. In this state, when the support member and the workpiece are relatively moved by the moving means, the plurality of support members receive the frictional force of each polishing member on the processing surface in a shared manner.

According to the second aspect of the present invention, in addition to the operation of the first aspect, the frictional force of each polishing member against the processing surface includes a plurality of support shafts extending in a direction intersecting the direction of relative movement by the moving means. Is shared and received.

According to the third aspect of the present invention, in addition to the function of the second aspect, a force for positively rotating the support shaft acts on each support shaft, and the frictional force of each polishing member against the processing surface is reduced. The supporting shafts share and receive the shafts.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 1A, the polishing apparatus 11 includes a moving roller conveyor 12 as moving means laid so as to extend linearly. On the left side of the moving roller conveyor 12, a receiving roller conveyor 13 extending in the same direction as the moving roller conveyor 12 is laid. Double roller conveyor 12,
Reference numeral 13 denotes a pair of roller frames 14 extending in parallel, and a number of rollers 15 provided between the two roller frames 14. Each roller 15 extends in a direction orthogonal to both roller frames 14 and
4 are juxtaposed at a predetermined interval in the extending direction. Both ends of each roller 15 in the longitudinal direction are rotatably supported by both roller frames 14.

On the side of the moving roller conveyor 12, a roller driving device 16 for positively rotating the roller 15 of the moving roller conveyor 12 is provided. or,
On the moving roller conveyor 12, wood 17 as a processing material that is curved so as to extend in an arc shape is placed. The wood 17 placed on the moving roller conveyor 12 extends in the same direction as the moving roller conveyor 12, and is arranged such that the rear side surface 17a of the wood 17 becomes the outer peripheral surface. In the present embodiment, the rear side surface 17a is a processing surface. When the roller driving device 16 is driven, the rollers 15 of the moving roller conveyor 12 rotate positively, and the wood 17 moves toward the receiving roller conveyor 13.

As shown in FIG. 2, the moving roller conveyor 12 is supported by a plurality of supporting legs 18. A base 19 is provided under the roller conveyor 12 for movement,
The base 19 is formed in a rectangular parallelepiped three-dimensional frame shape extending in the same direction as the moving roller conveyor 12. As shown in FIG. 3, the width of the base 19 in the front-rear direction is larger than the width of the moving roller conveyor 12 in the front-rear direction.

As shown in FIG. 1B, on the upper surface of the base 19, a pair of support brackets 2 arranged in parallel with the extending direction of the moving roller conveyor 12 are provided on the rear edge of the right end.
0 is provided, and one support bracket 2 is provided on the rear edge of the left end.
0 is provided. As shown in FIG. 2, each support bracket 20 has a guide roller 2 extending in a vertical direction.
1 are rotatably supported at both ends.

As shown in FIG. 1B, pressers 22 are provided at the front edges of the left and right ends on the upper surface of the base 19, respectively. As shown in FIG. 2, the pressing machine 22 is
9 is provided on a top surface thereof, and a base end of an arm 24 extending in the horizontal direction is provided at the upper end of the support column 23.
3 is rotatably supported about the axis. A pressing roller 2 extending in the vertical direction is provided below the tip of the arm 24.
The pressing roller 25 is rotatably supported by the arm 24. The arm 24 is urged to rotate in a direction in which the pressing roller 25 approaches the guide roller 21.

Therefore, when the wood 17 moving on the moving roller conveyor 12 is positioned corresponding to the pressing roller 25, the wood 17 is moved by the pressing roller 25 to the guide roller 2.
It is designed to be pressed against 1. And wood 1
By being pressed against the guide roller 21, the guide 7 is guided to move along the moving roller conveyor 12 without fail.

As shown in FIG. 3, a first support frame 31 is provided at the rear edge of the upper surface of the base 19. As shown in FIG. 2, the first support frame 31 is located on the left side of the support bracket 20 located at the right end of the base 19,
It is formed in a square frame shape and is opened in a direction orthogonal to the paper surface of FIG. Inside the first support frame 31, a pair of first support shafts 32a and 32b extending in the vertical direction are provided.
Are arranged in parallel to the direction in which the moving roller conveyor 12 extends. The upper and lower ends of the first support shafts 32a and 32b are connected to the first support frame 3 respectively.
The first upper plate 31a and the lower plate 31b are rotatably supported.

The first support shaft 32a has polishing members 33, 3
4 are attached at a predetermined interval, and the first support shaft 32
Polishing members 35 and 36 are attached to b at predetermined intervals. A driven pulley 39 is attached to each of the first support shafts 32a and 32b. The polishing members 33 to 36 are formed in a cylindrical shape and have a first support shaft 3.
A mounting core 37 extending in the same direction as 2a, 32b;
Numerous elastic pieces 38 provided on the outer peripheral surface of
It is composed of Each of the polishing pieces 38 is attached to the mounting core 3.
7 is formed in a rectangular thin plate shape extending in the axial direction, and protrudes radially from the outer peripheral surface of the mounting core 37. Further, a large number of abrasive grains having a predetermined particle size are attached to the polishing piece 38.

The first support shaft 32a includes a polishing member 33,
The mounting core 37 penetrates through the mounting core 37, and the mounting core 37 is attached to the first support shaft 32a so as to be integrally rotatable. Further, the first support shaft 32b penetrates through the mounting core 37 of the polishing members 35 and 36, and the mounting core 37 is connected to the first support shaft 32.
b so as to be integrally rotatable. Furthermore,
The polishing member 35 is positioned between the polishing members 33 and 34, and the polishing member 34 is positioned between the polishing members 35 and 36.

When the wood 17 moving on the moving roller conveyor 12 is positioned corresponding to each of the polishing members 33 to 36, each of the polishing members 33 to 36 becomes a rear side surface of the wood 17 indicated by a two-dot chain line in FIG. Contact is made so as to cover the entire vertical width of 17a. In the present embodiment, the rear side surface 17a is a processing surface. Further, each of the polishing members 33 to 36 contacts the rear side surface 17a at different positions in the vertical direction, and the contact is made by the polishing pieces 38 of each of the polishing members 33 to 36 being pressed against the rear side surface 17a by their own elastic force. Done.

As shown in FIG. 2, a first electric motor 40 is attached to the first support frame 31 below the lower plate 31b. Output shaft 40 of first electric motor 40
a penetrates the lower plate 31b from below to above, and its output shaft 4
A drive pulley 41 is attached to the tip of Oa. A transmission belt 42 formed in a loop shape is mounted on the drive pulley 41 and the driven pulleys 39. Therefore, when the first electric motor 40 is driven to rotate the output shaft 40a, the rotation of the output shaft 40a is transmitted to the first support shafts 32a and 32b via the transmission belt 42. Then, the output shaft 40 is connected to the first support shafts 32a and 32b.
a of the first support shafts 32a, 32b
And each of the polishing members 33 to 36 rotates.

A rear opening of the first support frame 31 is closed by a cover 26, and a hose 27 extending from a suction device (not shown) is connected to the cover 26. When the suction device is driven, each of the polishing members 33 to
Chips generated by the grinding of the rear side surface 17a of the wood 17 are sucked into the suction device through the inside of the cover 26 and the hose 27.

A support plate 43 is attached to the upper part of each of the front and rear sides of the base 19, and both support plates 43 project upward from the base 19 and are parallel to each other. As shown in FIG. 2, the support plate 43 is located on the left side of the first support frame 31. As shown in FIG. 3, a second support frame 44 is provided between upper ends of both support plates 43, and the second support frame 44 is located above the moving roller conveyor 12. As shown in FIG. 4, the second support frame 44 is formed in a square frame shape and is opened in the vertical direction. Second support frame 4
4, a second support shaft 4 extending horizontally in the front-rear direction.
5a to 45d are provided. Second support shaft 45a-
Both ends of 45d are rotatably supported by the front plate 44a and the rear plate 44b of the second support frame 44. The front ends of the second support shafts 45a to 45d are connected to the front plate 44a.
Penetrates.

A polishing member 4 is attached to the second support shaft 45a.
The polishing members 48 and 49 are attached to the second support shaft 45b at predetermined intervals. The polishing members 50 and 51 are attached to the second support shaft 45c at predetermined intervals, and the polishing members 52 and 53 are attached to the second support shaft 45d at predetermined intervals. The polishing members 46 to 53 include a mounting core 54 formed in a cylindrical shape and extending in the same direction as the second support shafts 45 a to 45 d, and a number of elastic polishing pieces 55 provided on the outer peripheral surface of the mounting core 54. It is composed of Each of the polishing pieces 55 is formed in a rectangular thin plate shape extending in the axial direction of the mounting core 54, and radially protrudes from the outer peripheral surface of the mounting core 54. Further, a large number of abrasive grains having a predetermined particle size are attached to the polishing piece 55.

The second support shaft 45a includes a polishing member 46,
The mounting core 54 penetrates through the mounting core 47, and the mounting core 54 is attached to the second support shaft 45a so as to be integrally rotatable. The mounting core 54 of the polishing members 48 and 49 passes through the second support shaft 45b, and the mounting core 54 is connected to the second support shaft 4b.
5b so as to be integrally rotatable. The second support shaft 45c has an attachment core 5 for the polishing members 50 and 51 attached thereto.
4, and the mounting core 54 is mounted so as to be integrally rotatable with respect to the second support shaft 45c. The mounting core 54 of the polishing members 52 and 53 penetrates through the second support shaft 45d, and the mounting core 54 is attached to the second support shaft 45d so as to be integrally rotatable.

The polishing member 48 is located between the polishing members 46 and 47, and the polishing member 47 is disposed between the polishing members 48 and 49.
It is located correspondingly. The polishing member 50 is positioned between the polishing members 49 and 52. Further, the polishing member 52 is located between the polishing members 50 and 51, and the polishing member 51 is located between the polishing members 52 and 53.

When the wood 17 moving on the moving roller conveyor 12 is positioned corresponding to each of the polishing members 46 to 53, each of the polishing members 46 to 53 becomes an upper surface 17b of the wood 17 indicated by a two-dot chain line in FIG. Contact over the entire width of the front and back. In the present embodiment, the upper surface 17b is a processing surface. The polishing members 46 to 53 contact the upper surface 17b at different positions in the front-rear direction, and the contact is caused by the polishing pieces 55 of the polishing members 46 to 53 using their own elastic force.
7b.

The front ends of the second support shafts 45a to 45d
It protrudes forward through the support plate 43 located on the front side (only the second support shaft 45a is shown in FIG. 3).
As shown in FIG. 1B, the second support shafts 45a to 45d
Driven pulleys 56 are attached to the front ends of the
A transmission belt 61a formed in a loop shape is mounted on each driven pulley 56. A drive pulley 57 is attached to the front end of the second support shaft 45d. As shown in FIG. 2, a flange 58 is provided below the support plate 43 located on the front side, and a second electric motor 59 is provided on the flange 58. As shown in FIG.
A drive pulley 60 is provided on an output shaft 59a of the electric motor 59, and the drive pulley 60 and the drive pulley 57 are provided.
Is mounted with a transmission belt 61b formed in a loop shape.

Therefore, when the second electric motor 59 is driven to rotate the output shaft 59a, the rotation of the output shaft 59a is controlled by the second support shafts 45a to 45a via the transmission belts 61b and 61a.
45d. Then, the second support shafts 45a to 45a
When the rotation of the output shaft 59a is transmitted to 5d, the second support shafts 45a to 45d and the polishing members 46 to 53 rotate.

As shown in FIG. 3, the upper opening of the second support frame 44 is closed by a cover 62, and the cover 6
A hose 63 extending from the suction device is connected to 2. When the suction device is driven, chips generated by the polishing members 46 to 53 polishing the upper surface 17b of the wood 17 are sucked into the suction device through the inside of the cover 62 and the hose 63. It has become.

Next, the polishing apparatus 1 configured as described above
1 will be described. As shown in FIG. 1A, in a state in which the wood 17 is placed on the moving roller conveyor 12, the roller 15 of the moving roller conveyor 12 is positively rotated by driving the roller driving device 16. Then, the wood 17 moves toward the receiving roller conveyor 13 along the longitudinal direction. After the wood 17 is placed on the moving roller conveyor 12, the first and second electric motors 40 and 59 shown in FIG. 2 are driven.

When the first electric motor 40 is driven to rotate the output shaft 40a, the first support shafts 32a and 32b and the polishing members 33 to 36 are rotated with the rotation of the output shaft 40a.
Rotates about the axis of the first support shafts 32a and 32b. When the second electric motor 59 is driven to rotate the output shaft 59a, the second support shafts 45a to 45d and the polishing members 46 to 53 shown in FIG. It rotates about the axis of the second support shafts 45a to 45d.

When the wood 17 moving on the moving roller conveyor 12 is positioned corresponding to each of the polishing members 33 to 36 shown in FIG. 2, the polishing piece 38 of each of the rotating polishing members 33 to 36 becomes 17 at different positions in the vertical direction on the rear side surface 17a. In addition, each polishing member 3
The polishing pieces 3 to 36 are in contact with the rear side surface 17a so as to cover the entire vertical width. Further, when the polishing piece 38 comes into contact with the rear side face 17a, it is elastically curved in the rotation direction of the polishing members 33 to 36 and is pressed against the rear side face 17a.

A polishing piece 38 is sequentially brought into contact with the rear side surface 17a of the wood 17 by the rotation of each of the polishing members 33 to 36. In this state, when the wood 17 is further moved toward the receiving roller conveyor 13, the entire vertical width of the rear side surface 17a is sequentially polished along the longitudinal direction by the polishing pieces 38 of the polishing members 33 to 36. . Since the rear surface 17a of the wood 17 is curved so as to extend in an arc shape, the horizontal distance between the rear surface 17a and each of the polishing members 33 to 36 gradually changes as the wood 17 moves. Then, when the distance between the rear side surface 17a and each of the polishing members 33 to 36 changes, the polishing piece 38 of each of the polishing members 33 to 36 maintains a state of being pressed against the rear side surface 17a by its own elastic force. That is, the polishing piece 38 is elastically deformed so as to follow the curvature of the rear side face 17a, and its own curvature is adjusted to the rear side face 17a and each of the polishing members 33 to 33.
The size is made larger or smaller based on a change in the distance between them.

When the polishing piece 38 of each of the polishing members 33 to 36 grinds the rear surface 17a of the wood 17, the frictional force against the rear surface 17a of the polishing piece 38 is reduced by the first support shaft 32a,
It works in the direction in which the wood 17 moves with respect to 32b. Then, only the frictional force of the polishing members 33 and 34 against the rear surface 17a of the polishing piece 38 acts on the first support shaft 32a, and the rear surface of the polishing piece 38 of the polishing members 35 and 36 acts on the first support shaft 32b. Only the frictional force against 17a acts.

When the wood 17 moving on the moving roller conveyor 12 passes the position corresponding to each of the polishing members 33 to 36 and is positioned corresponding to each of the polishing members 46 to 53, each of the rotating polishing members 46 The polishing pieces 55 to 53 come into contact with different positions in the front-rear direction on the upper surface 17b of the wood 17 respectively. Also, the polishing pieces 5 of the polishing members 46 to 53 are used.
5 is in contact with the upper surface 17b so as to cover the entire front and rear width. Further, when the polishing piece 55 comes into contact with the upper surface 17b, it is elastically curved in the rotation direction of the polishing members 46 to 53 and is pressed against the upper surface 17b.

On the upper surface 17b of the wood 17, each polishing member 4
The polishing pieces 55 come into contact sequentially with the rotation of 6 to 53. In this state, when the wood 17 is further moved toward the receiving roller conveyor 13, the polishing pieces 5 of the polishing members 46 to 53 are removed.
5, the entire front and rear width of the upper surface 17b is sequentially polished along the longitudinal direction. The polishing piece 55 of each of the polishing members 46 to 53
When polishing the upper surface 17b of the wood 17, the polishing piece 5
5 against the upper surface 17b, the second support shaft 45a
It acts in the direction in which the wood 17 moves for .about.45d.

Then, only the frictional force of the polishing members 46 and 47 on the upper surface 17b of the polishing piece 55 acts on the second support shaft 45a, and the polishing member 4 is applied to the second support shaft 45b.
Only the frictional force on the upper surface 17b of the polishing piece 55 at 8, 49 acts. The polishing member 5 is provided on the second support shaft 45c.
Only the frictional force on the upper surface 17b of the polishing piece 55 at 0, 51 acts, and the polishing members 52,
Only the frictional force at 53 on the upper surface 17b of the polishing piece 55 acts.

The wood 17 that has passed through the position corresponding to each of the polishing members 46 to 53 is sent out onto the receiving roller conveyor 13 shown in FIG. Then, with the wood 17 placed on the receiving roller conveyor 13, the rear side surface 17a and the upper surface 17b of the wood 17 are coated.

In this embodiment described in detail above, the following (a)
(E). (A) The two first support shafts 32a and 32b share the total frictional force generated when the polishing pieces 38 of the polishing members 33 to 36 polish the entire vertical width of the rear side surface 17a of the wood 17. Receive. Therefore, the first support shafts 32a, 32b
The frictional force acting on each of the polishing pieces 38 against the rear side surface 17a of the polishing piece 38 can be made smaller than in the prior art, and the first support shafts 32a and 32b can be prevented from being deformed by the frictional force.

(B) Each polishing piece 55 of the polishing members 46 to 53
When the entire surface of the wood 17 is polished over the front and rear widths of the upper surface 17b, the total frictional force generated by the four second support shafts 45a
~ 45d receive in share. Therefore, the second support shaft 45
The frictional force acting on each of the polishing pieces 55 on the upper surface 17b of each of the polishing pieces 55a to 45d can be made smaller than that in the related art, and the second support shafts 45a to 45d can be prevented from being deformed by the frictional force.

(C) First and second support shafts 32a, 32
The frictional force acting on b, 45a to 45d becomes smaller than before. Therefore, the first and second support shafts 32a, 32
Even if b, 45a to 45d are perpendicular to the moving direction of the wood 17, the first and second support shafts 32a, 32b, 45a
45d can be prevented from bending in the longitudinal direction.

(D) First and second support shafts 32a, 32
Both the frictional force and the driving force of the first and second electric motors 40 and 59 for rotating the first and second support shafts 32a, 32b, 45a to 45d act on b, 45a to 45d. However, the frictional force becomes smaller than before. Therefore, the first and second support shafts 32a, 32b, 45a-4
Even when both the frictional force and the driving force act on 5d, the first and second support shafts 32a, 32b, 45
a to 45d can be hardly deformed.

(E) Polishing pieces 38 of polishing members 33 to 36
Is pressed against the rear side surface 17a of the wood 17 in an elastically curved state. Therefore, even when the rear side face 17a is curved, the curvature of the polishing piece 38 is increased or decreased so as to follow the curve of the rear side face 17a, and the polishing piece 38 is
a can be maintained in a state of being constantly pressed against a.
Therefore, polishing can be reliably performed along the curved rear side surface 17a.

The present invention can be embodied with the following modifications, for example. (1) In the present embodiment, the wood 17 is illustrated as the processing material, but stone, metal, resin, or the like is used instead of the wood 17 as the processing material.
May be polished.

(2) Polishing members 33 to in this embodiment
Instead of 36, 46 to 53, a polishing belt, a grindstone, a polishing drum, or the like may be provided. (3) In the present embodiment, the wood 17 is formed by polishing members 33 to 36,
46 to 53 and the respective support shafts 32a, 32b, 45a to 45
d, but the wood 17 is fixed and the polishing members 33 to 36, 46 to 53 and the support shafts 32a, 32b,
45a to 45d may be moved in the longitudinal direction of the wood 17. In this case, since the roller conveyor 12 for moving the wood 17 does not need to be provided, the configuration of the polishing apparatus 11 can be simplified. Wood 1
7, polishing members 33-36, 46-53 and respective support shafts 32
a, 32b, and 45a to 45d may be relatively moved.

(4) In this embodiment, two polishing members 33 to 36 and 46 to 53 are attached to each of the first and second support shafts 32a, 32b and 45a to 45d. However, the number may be changed as appropriate.

(5) In this embodiment, each of the polishing members 33 to
36 comes into contact with the entire vertical width of the rear side surface 17 a of the wood 17, and each of the polishing members 46 to 53
Although the entire front and rear width of 7b is contacted, the present invention is not limited to this. For example, each of the polishing members 33 to 36 may not contact the entire vertical width of the rear side surface 17a, or each of the polishing members 46 to 53 may not contact the entire front and rear width of the upper surface 17b.

(6) In this embodiment, the first and second
The number of support shafts 32a, 32b, 45a to 45d may be appropriately changed. (7) In the present embodiment, the first and second support shafts 32
The a, 32b, and 45a to 45d may be provided so as to extend not obliquely but orthogonally to the moving direction of the wood 17. Further, the first support shafts 32a and 32b are provided so as to extend in the same direction as the wood 17 and the first support shafts 32a and 32b are provided.
b may be arranged in parallel with the vertical width direction of the rear side surface 17a. Further, the second support shafts 45a to 45d are
Extending in the same direction as the second support shaft 45a.
To 45d may be arranged in parallel to the front-rear width direction of the upper surface 17b.

(8) In the present embodiment, a surface other than the rear side surface 17a and the upper surface 17b of the wood 17 may be polished. Next, technical ideas other than the claims that can be grasped from the above embodiments are described below together with their effects.

The polishing apparatus according to any one of claims 1 to 3, wherein the polishing member has elasticity. In this case, even if the processing surface of the processing material is curved, polishing can be performed along the curved processing surface.

[0056]

According to the first aspect of the present invention, since a plurality of supporting members share and receive the frictional force of each polishing member on the processing surface, the frictional force of the polishing member on the processing surface acting on one supporting member is reduced. And the deformation of the support member can be prevented.

According to the second aspect of the invention, in addition to the effect of the first aspect, the frictional force of the polishing member on the processing surface acting on one support shaft is smaller than in the prior art. In contrast, it is possible to prevent bending.

According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, the frictional force of the polishing member on the processing surface acting on one support shaft is smaller than that of the prior art, so Even when both the force for rotating the support shaft and the frictional force on the processing surface of the polishing member act,
The support shaft can be made hard to deform.

[Brief description of the drawings]

FIG. 1A is a plan view showing the entire polishing apparatus of the present embodiment, and FIG. 1B is an enlarged plan view showing the polishing apparatus.

FIG. 2 is an enlarged side view showing the polishing apparatus.

FIG. 3 is a cross-sectional view of the polishing apparatus of FIG. 2 as seen from the direction of arrows AA.

FIG. 4 is a perspective view showing a second support frame.

[Explanation of symbols]

11: Polishing device, 12: Moving roller conveyor as moving means, 17: Wood as processing material, 17a: Rear surface as processing surface, 17b: Upper surface as processing surface, 32
a, 32b: first support shaft, 33 to 36: polishing member, 4
5a to 45d: second support shaft, 46 to 53: polishing member.

Claims (3)

[Claims] 1. A processing surface (17a) (1) of a processing material (17).
Polishing members (33-36) (46) for polishing 7b)
To the support members (32a, 32b) (45a to 45).
d), the polishing members (33-36) (4)
The supporting members (32a, 32b) (45a-45) move along the processing surfaces (17a) (17b) while the processing members 6-53) are in contact with the processing surfaces (17a) (17b).
moving means (1) for relatively moving d) and the workpiece (17);
In the polishing apparatus provided with 2), a plurality of the support members (32a, 32b) (45a to 45d) are provided, and the respective support members (32a, 32b) (45a) are provided.
To 45d) each have at least one polishing member (3
3 to 36) (46 to 53) are supported, and the polishing members (33 to 36) (46 to 53) are supported by the supporting members (32a, 3).
2b) A polishing apparatus arranged at a different position in a direction intersecting the direction of relative movement of (45a to 45d) and the workpiece (17). 2. The support member is a rod-shaped support shaft (32a, 32b) (45a-45d), and the support shaft (32a, 32b) (45a-45d) is moved by a moving means (12). A polishing device extending in a direction intersecting the direction of relative movement. 3. The support shafts (32a, 32b) (45)
a to 45d) are positively rotated about the axis thereof, and the polishing members (33 to 36) (46 to 53) are attached to the support shafts (32a, 32b) (45a to 45d). The support shafts (32a, 32b) (45a-4
3. The polishing apparatus according to claim 2, wherein the polishing apparatus rotates with the rotation of 5d).