KR102316707B1 - Wood grinding device - Google Patents

Abstract

The present invention provides a wood grinding apparatus comprising: a main body forming the exterior of the wood grinding apparatus; a table for providing a processing space; a fixing module for fixing wood; a support for wood separation prevention; a rotary cutter for grinding; an angle adjustment module for adjusting the angle of the rotary cutter; and a foreign matter removal module for removing foreign substances on the surface of the rotary cutter.

Description

Wood grinding device

The present invention relates to a wood grinding apparatus, and more particularly, to a main body forming the exterior of the wood grinding apparatus, a table for providing a processing space, a fixing module for fixing wood, a pedestal for preventing separation of wood, and rotation for grinding It relates to a wood grinding apparatus equipped with a cutter, an angle adjustment module for adjusting the angle of the rotary cutter, and a foreign material removal module for removing foreign substances attached to the surface of the rotary cutter.

In general, a wood grinding device refers to a device that can be conveniently ground using a machine without grinding wood by human force.

As described above, the grinding device for grinding wood is configured to be able to grind the wood by arranging it according to the size or shape of the wood to be ground, that is, the size of the wood.

These wood grinding devices usually allow the arrangement of wood in one direction to be conveniently configured, and can achieve the original purpose of grinding wood during this process, but if you want to grind one or both sides of wood, it is easier to arrange wood There was a difficult problem, and even in the case of such grinding, manual work using a separate manpower was required, so there was a problem of unnecessary grinding of wood and an increase in manpower and cost accordingly.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a main body forming the exterior of a wood grinding apparatus, a table having a wood processing space, a fixing module for fixing wood, and preventing wood separation It is to provide a wood grinding apparatus equipped with a pedestal.

Another object of the present invention is to provide a wood grinding apparatus equipped with a rotary cutter for grinding wood in the center of the table.

Another object of the present invention is to provide a wood grinding apparatus coupled to the distal end of the rotary cutter and equipped with an angle adjustment module for adjusting the grinding angle of the rotary cutter.

Another object of the present invention is to provide a wood grinding apparatus equipped with a foreign material removal module coupled to the rear end surface of the rotary cutter to remove foreign materials such as wood dust adhered to the surface of the rotary cutter.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

A wood grinding apparatus according to an embodiment of the present invention for solving the above problems may include a main body forming the exterior of the wood grinding apparatus, and a table having a space for accommodating the main body and processing wood.

In one embodiment, the wood grinding device, a fixing module installed on the table to fix the wood seated for processing, a pedestal installed on the front side of the table to prevent the wood from being separated during the grinding process , a rotary cutter installed in the center of the table to grind the wood, an angle adjustment module coupled to the distal end of the rotary cutter to adjust the grinding angle of the rotary cutter, and a rear end surface of the rotary cutter coupled to the rotary cutter It may further include a foreign material removal module for removing foreign substances such as wood powder stuck on the surface during grinding.

In one embodiment, the rotary cutter includes a rolling cutter having a protrusion formed on the inner circumferential surface of the protruding part, an insertion shaft that is continuously fastened with the rolling cutter and the angle adjustment module to fix the rolling cutter, and a separation prevention part of the insertion It may include a binding member for preventing separation and shaking of the rolling cutter disposed on the coupling portion together with.

In one embodiment, the insertion shaft is a male screw at the rear of the insertion shaft, a separation prevention portion at the front end of the insertion shaft, a tool coupling portion for forming a cross (+)-shaped groove on the front surface of the separation prevention portion, the male screw and the separation prevention portion a coupling part disposed between the parts and having a length corresponding to the width of the protrusion of the rolling cutter, a mounting part disposed between the coupling part and the male screw and having a cross-sectional area smaller than the cross-sectional area of the coupling part; It may include a fixing part having a cross-sectional area larger than the cross-sectional area of the mounting part and smaller than the cross-sectional area of the coupling part.

In one embodiment, the binding member has a hollow sized to pass through the fixing part of the insertion shaft and not to pass the coupling part, and a first binding member having a thickness smaller than the length of the mounting part and the fixing part of the insertion shaft Doedoe having an insertion hole having a size smaller than the area, the insertion hole is enlarged by the elastic action of the material and disposed in the mounting portion beyond the fixing portion, the thickness of the sum of the thickness of the first binding member and the length corresponding to the length of the mounting portion It may include a second binding member having a.

In one embodiment, the fixing part includes a '\'-shaped inclined locking part that rises from the rear toward the front, and the rolling cutter may be formed with an insertion part for accommodating the separation preventing part of the insertion shaft so as not to protrude to the front surface. have.

In one embodiment, the angle adjustment module is inserted into the central section of the main body and fixed to an insert having a suspension on the upper surface, and is rotatably coupled to the upper surface of the insert by a first adjusting member to adjust the suspension. It may include a bearing plate for pressing and an angle adjusting part connected to the insertion shaft of the first adjusting member and the rolling cutter to adjust the angle of the rolling cutter.

In one embodiment, the angle adjusting unit includes a lower shaft connected to a lower end of the first adjusting member, and an insertion shaft of the rolling cutter at an upper end of a bearing plate rotatably coupled to an upper end of the lower shaft by a joint. It may include a fixing member connected to the second adjustment member and the bearing plate to fix the second adjustment member itself so as not to rotate.

In one embodiment, the second adjusting member is formed in the form of a ball joint and has a ball part inserted into an insertion groove formed on the upper surface of the bearing plate, and an insertion shaft coupling groove extending from the ball part and connecting the insertion shaft of the rolling cutter. It may include an insertion shaft connecting portion provided.

In one embodiment, the fixing member includes a fixing plate having a ball part through hole through which the ball part passes in the center, and a coupling part 242c extending downward from the edge of the fixing plate and coupled to the upper side of the bearing plate. can do.

In one embodiment, the foreign material removal module, a coupling portion fastened to the tool coupling portion and the male screw of the rolling cutter, is installed inside the coupling portion, the front surface to face the rolling cutter so that the foreign material can flow An inlet is formed on the rear side of the case facing the support, a removal unit that is fastened to both edge surfaces of the inlet side of the case to remove foreign substances attached to the rotating rolling cutter, and rail grooves are formed on both sides of the case to form the coupling It includes a moving part to guide the sliding by being fastened with the part, a close coupling part for maintaining the foreign substance removal module in close contact with the rolling cutter, and a fastening shaft coupled to the tool coupling part to which the foreign substance removal module can be fixed. can do.

In one embodiment, the removal part is formed by a brush material and a shape, and the close coupling part is installed between the support and the case, and by using an elastic force to push the case, the removal part is in close contact with the rolling cutter to remove foreign substances It includes a spring-shaped contact member having an elastic force so as to be removable, and a locking part fastened to the tool coupling part and the male screw is formed on both sides of the coupling part, and the locking part is separated from the tool coupling part and the male screw. It may include a feature in which a separation prevention protrusion is formed to prevent it.

According to the present invention, a main body forming the exterior of a wood grinding apparatus, a table for providing a processing space, a fixing module for fixing wood, a pedestal for preventing wood separation, a rotary cutter for grinding, and adjusting the angle of the rotary cutter There is provided a wood grinding device provided with an angle adjustment module for, and a foreign material removal module for removing foreign substances attached to the surface of the rotary cutter. The effect according to the present invention is not limited by the contents exemplified above, and more various effects are included in the present invention.

1 is a side view showing the exterior of a wood grinding apparatus according to the present invention.
2 is a side view showing the exterior of the wood grinding apparatus according to the present invention from another angle.
Figure 3 shows an example of coupling the rotary cutter of the wood grinding apparatus according to the present invention.
Figure 4 shows the coupling configuration of the rotary cutter of the wood grinding apparatus according to the present invention.
5 is a side view showing the coupling configuration of the rotary cutter of the wood grinding apparatus according to the present invention.
Figure 6 shows the appearance of the angle control module of the wood grinding apparatus according to the present invention.
7 shows a detailed configuration of the angle adjustment module of the wood grinding apparatus according to the present invention.
Figure 8 shows an embodiment of the angle adjustment module of the wood grinding apparatus according to the present invention.
Figure 9 shows the appearance of the foreign matter removal module of the wood grinding apparatus according to the present invention.
10 is a side view showing the exterior of the foreign material removal module of the wood grinding apparatus according to the present invention.
11 is a view showing the coupling configuration of the foreign matter removal module of the wood grinding apparatus according to the present invention.
12 shows a coupling example of the foreign material removal module of the wood grinding apparatus according to the present invention.
13 is a side view showing the entire detailed configuration of the wood grinding apparatus according to the present invention.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described herein may be variously modified. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, the specific embodiments disclosed in the accompanying drawings are only for easy understanding of various embodiments. Therefore, the technical spirit is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and scope of the invention.

Terms including an ordinal number, such as first, second, etc., may be used to describe various elements, but these elements are not limited by the above-described terms. The above terminology is used only for the purpose of distinguishing one component from another component.

In this specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof. When a component is referred to as being “connected” or “connected” to another component, it is understood that the other component may be directly connected or connected to the other component, but other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that no other element is present in the middle.

Meanwhile, as used herein, a “module” or “unit” for a component performs at least one function or operation. And “module” or “unit” may perform a function or operation by hardware, software, or a combination of hardware and software. In addition, a plurality of “modules” or a plurality of “units” other than a “module” or “unit” that must be performed in specific hardware or are executed in at least one processor may be integrated into at least one module. The singular expression includes the plural expression unless the context clearly dictates otherwise.

In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be abbreviated or omitted.

Figure 1 is a side view showing the exterior of the wood grinding apparatus according to the present invention, Figure 2 is a side view showing the exterior of the wood grinding apparatus according to the present invention from another angle.

The wood grinding apparatus may include a main body 1 , a table 10 , a fixed module 20 , a pedestal 30 , a rotary cutter 100 , an angle adjustment module 200 , and a foreign material removal module 300 .

The main body 1 may be provided in a 'C' shape as a frame of iron structure forming the exterior of the wood grinding apparatus.

The table 10 may have a space for accommodating the body 1 and processing the wood.

The fixing module 20 may be installed on the table 10 to fix the wood seated for processing.

The fixing module 20 may perform an operation of fixing the wood by descending by the action of the upper suspension.

The pedestal 30 may be installed on the front portion of the table 10 to prevent the wood from being separated during the grinding process.

The pedestal 30 may be provided with a structure such as iron to support the wood, and any solid structure may be used.

The rotary cutter 100 is installed in the central portion of the table 10 to correspond to the fixed module 20 and grind wood.

3 shows an example of coupling the rotary cutter of the wood grinding apparatus according to the present invention, and FIG. 4 shows the coupling configuration of the rotary cutter of the wood grinding apparatus according to the present invention.

The rotary cutter 100 may include a rolling cutter 110 , an insertion shaft 120 , and a binding member 130 .

The rolling cutter 110 may have a protrusion 113 formed on the inner circumferential surface of the protrusion 111 , and is engaged with the insertion shaft 120 to rotate and grind the wood.

The insertion shaft 120 may be continuously fastened with the rolling cutter 110 and the angle adjustment module 200 to fix the rolling cutter.

The insertion shaft 120 may include a male screw 121 , a separation preventing part 125 , a tool coupling part 126 , a coupling part 124 , a mounting part 123 , and a fixing part 122 .

The male screw 121 may be formed behind the insertion shaft 120 to guide it to be fastened with the angle adjustment module 200 .

5 is a side view showing the coupling configuration of the rotary cutter of the wood grinding apparatus according to the present invention.

The separation prevention part 125 may be formed at the front end of the insertion shaft 120 to prevent the rolling cutter 110 from being separated due to an operation such as rotation.

The tool coupling part 126 may form a cross (+)-shaped groove on the front surface of the separation prevention part 125 to be coupled with the foreign material removal module 300 .

The coupling portion 124 may be disposed between the male screw 121 and the separation preventing portion 125 to have a length corresponding to the width of the protrusion 113 of the rolling cutter 110 .

The mounting part 123 may be disposed between the coupling part 124 and the male screw 121 to have a cross-sectional area smaller than the cross-sectional area of the coupling part.

The fixing part 122 may be disposed on the mounting part 123 and the external screw 121 to have a cross-sectional area greater than a cross-sectional area of the mounting part and smaller than a cross-sectional area of the coupling part 124 .

The binding member 130 may include a first binding member 131 and a second binding member 132 .

The first binding member 131 passes through the fixing part 122 of the insertion shaft 120 and the coupling part 124 does not pass through, and a hollow is formed, and may have a thickness smaller than the length of the mounting part 123 . have.

The binding member 130 has an insertion hole having a smaller size than the area of the fixing part 122 of the insertion shaft 120 , and the insertion hole is enlarged by the elastic action of the material, and is disposed on the mounting part 123 beyond the fixing part 122 . can be

The second binding member 132 may have a thickness corresponding to the length of the mounting part 123 in sum with the thickness of the first binding member 131 .

The fixing part 122 may include an inclined locking part 122a.

The inclined locking part 122a may have a '\' shape that rises from the rear toward the front.

Referring to FIG. 4 , the rolling cutter 110 may include an insertion part 115 for accommodating the separation prevention part 125 of the insertion shaft 120 so as not to protrude from the front side.

The operation and combination principle of the components according to the present invention will be described in detail as follows.

The rotary cutter 100 is inserted and coupled to the angle adjustment module 200 by the external screw 121 formed on the surface of the insertion shaft 120 .

At this time, the first binding member 131 and the second binding member 132 of the binding member 130 are sequentially inserted through the insertion hole 132a and fixed to the angle adjustment module 200 .

The first binding member and the second binding member are fixed to the fixing part 122 through the mounting part 123 through the male screw.

The tool coupling part 126 is screwed with the foreign material removal module 300 on its outer peripheral surface.

Even if the rolling cutter of the rotary cutter rotates by the tool coupling part, any interference does not occur between the angle adjustment module and the foreign material removal module.

In addition, the combination of the separation prevention part 125 and the rolling cutter prevents the rotation cutter from being separated even if the rotation cutter rotates.

Figure 6 shows the appearance of the angle adjustment module of the wood grinding apparatus according to the present invention, Figure 7 shows the detailed configuration of the angle adjustment module of the wood grinding apparatus according to the present invention.

The angle adjustment module 200 may include an insert 220 , a bearing plate 230 , and an angle adjustment unit 240 .

The insert 220 may be inserted and fixed in the central section of the body 1 , and the suspension 250 may be provided on the upper surface.

The bearing plate 230 may be rotatably coupled to the upper surface of the insert 220 by the first adjusting member 260 to press the suspension 250 .

The angle adjusting unit 240 may be connected to the first adjusting member 260 and the insertion shaft 120 of the rolling cutter 110 to adjust the angle of the rolling cutter 110 .

The angle adjusting unit 240 may include a second adjusting member 241 and a fixing member 242 .

The second adjusting member 241 includes a lower shaft 261 connected to the lower end of the first adjusting member 260 and a rolling cutter at the upper end of the bearing plate rotatably coupled to the upper end of the lower shaft by a joint 263 . It may include an insertion shaft 120 of 110 .

The second adjustment member 241 may include a ball part 241a and an insertion part connection part 241b.

The ball part 241a is formed in the form of a ball joint and is inserted into the insertion groove 231 formed on the upper surface of the bearing plate 230 to enable the insertion shaft 120 to rotate.

O-rings 243 and 244 may be fastened to the lower end surface and the side surface of the insertion groove 231 .

The insertion shaft connecting portion 241b may be provided with an insertion shaft coupling groove 241c extending from the ball portion 241a so that the insertion shaft 120 of the rolling cutter 110 is connected.

The fixing member 242 may include a fixing plate 242a and a coupling part 242c.

The fixing plate 242a may have a ball part through-hole 242b through which the ball part 241a passes at the center thereof.

The coupling part 242c may extend downward from the edge of the fixing plate 242a and be coupled to the upper side surface of the bearing plate 230 .

Figure 8 shows an embodiment of the angle adjustment module of the wood grinding apparatus according to the present invention.

The operation or combination principle of the components according to the present invention will be described in detail as follows.

The insert 220 is inserted and fixed in the central section of the body 1 .

The rolling cutter 110 integrally formed with the angle adjustment module 200 can be tilted in all directions as shown in FIG. 8 .

At this time, the ball part 241a of the second adjusting member serves as an axis to move the head of the rolling cutter 110 in all directions, so that the cross section of the wood can be freely ground.

The rotation of the angle adjustment module is enabled by the organic movement of the respective components of the first adjustment member 260 and the second adjustment member 241 and the fixing member 242 .

9 is a view showing the exterior of the foreign material removal module of the wood grinding apparatus according to the present invention, Figure 10 is a side view showing the exterior of the foreign material removal module of the wood grinding apparatus according to the present invention.

11 shows a coupling configuration of the foreign material removal module of the wood grinding apparatus according to the present invention, and FIG. 12 shows an example of coupling the foreign material removal module of the wood grinding apparatus according to the present invention.

The foreign material removal module 300 may include a coupling part 301 , a case 310 , a removal part 320 , a moving part 302 ′, a close coupling part 340 , and a fastening shaft 350 .

The coupling part 301 may be fastened to the tool coupling part 126 and the male screw 121 of the rolling cutter 110 .

The case 310 is installed inside the coupling part 301, the front side to face the rolling cutter 110, an inlet through which foreign substances can flow is formed, and the back side is provided to face the support 302 .

The case 310 includes a case lower portion 311 , a case groove portion 312 , and a case upper portion 314 .

The removal unit 320 is fastened to both edge surfaces of the inlet of the case 310 to remove foreign substances attached to the rotating rolling cutter 110 .

The removal unit 320 may be formed by a brush material and shape.

The flow part 302 ′ may have rail grooves 302 ″ formed on both sides of the case 310 to be coupled with the coupling part 301 to guide the sliding of the removal part 320 .

The close coupling part 340 may allow the foreign material removal module 300 to maintain a state in close contact with the rolling cutter 110 .

The close coupling unit 340 is installed between the support 302 and the case 310, and the removal unit 320 is in close contact with the rolling cutter 110 by pushing the case 310 using an elastic force to remove foreign substances. It may include spring-shaped contact members 341 and 342 having an elastic force so as to be there.

At both sides of the coupling part 301 , the tool coupling part 126 and the locking part 303 fastened to the male screw 121 may be formed.

In order to prevent the locking portion 303 from being separated from the tool coupling portion 126 and the male screw 121 , a fixing protrusion 304 and a separation preventing protrusion 305 may be formed.

The operating principle of the components according to the present invention will be described in detail as follows.

The removal part 320 is coupled to the rear surface of the coupling part 301 so as to face the rolling cutter 110 in the coupling part 301 fastened to the tool coupling part 126 and the male screw 121 of the rolling cutter 110 . .

At this time, while the rolling cutter 110 is rotated by the adhesion members 341 and 342, the removal part 320 is fixed so as not to be separated by the rotation.

13 is a side view showing the entire detailed configuration of the wood grinding apparatus according to the present invention.

The operation principle of the wood grinding apparatus according to the present invention will be described in detail as follows.

The wood is placed so as to correspond to the pedestal 30 of the table 10 .

The fixing module 20 is operated to descend and the wood is firmly fixed to the pedestal 30 and the table 10 .

By controlling the angle adjustment module 200, the angle of the rotary cutter 100 is adjusted along the surface to be grinded on wood.

The rotary cutter 100 is operated to grind the fixed wood.

When the rotary cutter 100 operates, the foreign material removal module 300 fixed to the tool coupling part 126 and the male screw 121 is moved to the rolling cutter 110 and the removal part 320 in close contact with the rolling cutter 110. Remove any wood dust or foreign matter that has been deposited while grinding.

As such, in the present invention, all components operate by an organic mechanism, and each component should not be judged as independently operating as one unit.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the specific embodiments described above, and it is common in the technical field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. Various modifications are possible by those having the knowledge of, of course, these modifications should not be individually understood from the technical spirit or prospect of the present invention.

1: body
10 : table
20: fixed module
30: pedestal
100: rotary cutter
200: angle adjustment module
300: foreign material removal module

Claims (4)

a body forming the exterior of the wood grinding apparatus; and
a table having a space for processing wood by accommodating the body;
In the wood grinding apparatus comprising a,
The wood grinding device,
a fixing module installed on the table to fix the wood seated for processing;
a pedestal installed on the front part of the table to prevent the wood from being separated during the grinding process;
a rotary cutter installed in the center of the table to grind the wood;
an angle adjustment module coupled to the distal end of the rotary cutter to adjust the grinding angle of the rotary cutter; and
a foreign material removal module coupled to the rear end surface of the rotary cutter to remove foreign materials such as wood dust stuck on the surface while the rotary cutter is grinding;
further comprising,
The rotary cutter is
a rolling cutter having a protrusion formed on the inner circumferential surface of the protrusion;
an insertion shaft which is continuously fastened with the rolling cutter and the angle adjustment module to fix the rolling cutter; and
a binding member for preventing separation and shaking of the rolling cutter disposed on the coupling portion together with the separation preventing portion of the insertion shaft;
including,
The angle adjustment module,
an insert which is inserted into and fixed to the central section of the main body and provided with a suspension on its upper surface;
a bearing plate rotatably coupled to an upper surface of the insert by a first adjusting member to press the suspension; and
an angle adjusting unit connected to the first adjusting member and the insertion shaft of the rolling cutter to adjust the angle of the rolling cutter;
includes,
The insertion shaft is
a male screw behind the insertion shaft;
a separation prevention part at the front end of the insertion shaft;
a tool coupling part forming a cross (+)-shaped groove on the front surface of the separation preventing part;
a coupling part disposed between the male screw and the separation preventing part and having a length corresponding to the width of the protruding part of the rolling cutter;
a mounting part disposed between the coupling part and the male screw and having a cross-sectional area smaller than the cross-sectional area of the coupling part;
a fixing part disposed on the mounting part and the male screw and having a cross-sectional area larger than the cross-sectional area of the mounting part and smaller than the cross-sectional area of the coupling part;
including,
The binding member is
a first binding member having a hollow size that passes through the fixing part of the insertion shaft and does not pass through the coupling part, and has a thickness smaller than the length of the mounting part; and
Doedoe having an insertion hole of a size smaller than the area of the fixing part of the insertion shaft,
The insertion hole is enlarged by the elastic action of the material and disposed in the mounting part beyond the fixing part,
a second binding member having a thickness corresponding to a length of the mounting portion by a sum of a thickness of the first binding member;
including,
The fixing part,
It includes a '\'-shaped inclined locking part that rises from the rear toward the front,
The rolling cutter is formed with an insertion portion for accommodating so that the separation prevention portion of the insertion shaft does not protrude from the front side,
The angle adjustment unit,
a second adjusting member including a lower shaft connected to a lower end of the first adjusting member, and an insertion shaft of the rolling cutter at an upper end of the bearing plate rotatably coupled to an upper end of the lower shaft by a joint; and
a fixing member connected to the bearing plate and fixing the second adjusting member itself not to rotate;
including,
The second adjustment member,
a ball part formed in a ball joint shape and inserted into an insertion groove formed on an upper surface of the bearing plate; and
an insertion shaft connecting portion extending from the ball portion and having an insertion shaft coupling groove so that the insertion shaft of the rolling cutter is connected;
including,
The fixing member is
a fixing plate in which a ball part through-hole through which the ball part passes is formed in the center; and
a coupling portion 242c extending downwardly from the edge of the fixing plate and coupled to the upper side of the bearing plate;
including,
The foreign material removal module,
a coupling part fastened to the tool coupling part of the rolling cutter and the male screw;
Doedoe installed inside the coupling part, the front face to face the rolling cutter to form an inlet through which foreign substances can flow, the rear case facing the support;
a removal part for removing foreign substances attached to the rolling cutter which is fastened to both edge surfaces of the inlet of the case and rotates;
Rail grooves are formed on both sides of the case and are coupled to the coupling part to guide sliding;
a close coupling portion for maintaining the foreign material removal module in close contact with the rolling cutter; and
a fastening shaft coupled to the tool coupling part to which the foreign material removal module can be fixed;
including,
The removal part is formed by the brush material and shape,
The close coupling portion,
It is installed between the support and the case, and by using an elastic force to push the case, the removal part is in close contact with the rolling cutter and includes a spring-shaped adhesion member having an elastic force to remove foreign substances,
On both sides of the coupling part, locking parts for fastening with the tool coupling part and the male screw are formed,
A separation prevention protrusion is formed to prevent the locking part from being separated from the tool coupling part and the male screw.
Wood grinding device comprising a.

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