KR101795762B1 - The edge grinder for a panel - Google Patents

The edge grinder for a panel Download PDF

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Publication number
KR101795762B1
KR101795762B1 KR1020150099750A KR20150099750A KR101795762B1 KR 101795762 B1 KR101795762 B1 KR 101795762B1 KR 1020150099750 A KR1020150099750 A KR 1020150099750A KR 20150099750 A KR20150099750 A KR 20150099750A KR 101795762 B1 KR101795762 B1 KR 101795762B1
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KR
South Korea
Prior art keywords
belt
panel
base plate
plate
roller
Prior art date
Application number
KR1020150099750A
Other languages
Korean (ko)
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KR20170008495A (en
Inventor
최규종
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최규종
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Priority to KR1020150099750A priority Critical patent/KR101795762B1/en
Publication of KR20170008495A publication Critical patent/KR20170008495A/en
Application granted granted Critical
Publication of KR101795762B1 publication Critical patent/KR101795762B1/en

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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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The present invention relates to a base plate having a base plate inclined at a predetermined angle and provided with a driving motor at the rear of the base plate, a driving roller provided to be rotated by receiving a driving force from the driving motor, A pair of left and right driven rollers provided separately from each other, a drive roller and left and right driven rollers are provided with a corner polishing unit for swinging and rotating the polishing belt, and a facing cylinder provided in front of the upper surface of the base plate, And the chamfered block is positioned between the left and right driven rollers in accordance with the advancing operation of the chamfering cylinder so that the abrasive belt protrudes forward and is conveyed through the conveying unit A chamfered operation portion for abutting and polishing the side edge portion; A press contact portion for press-supporting the base plate by a pressure regulated constantly forward by the pressurizing cylinder connected to the regulator while being connected to the regulator so that the abrasive belt and the panel are polished in close contact with each other; And a belt moving roller which is repeatedly operated in a seesaw manner within a predetermined angle to cause the abrasive belt to move up and down at constant intervals along the drive roller and the left and right driven rollers.

Description

[0001] The present invention relates to a belt-driven panel edge grinding apparatus,

The present invention relates to a device for uniformly polishing side edge portions of a panel made of wood or synthetic resin material used for a display case, a bookcase, a shelf, a kitchen sink or a work table of household or office use. More specifically, A driving roller provided to be rotated by receiving a driving force from a driving motor, and left and right driven rollers provided at left and right spaced apart from the front upper surface of the base plate, And a polishing cylinder which is provided in front of the upper surface of the base plate. The piston of the polishing cylinder is provided with a pair of right and left straight corners Since the chamfered blocks with grooves are connected and mounted, A chamfering operation portion for abutting a side edge portion of the panel conveyed through the conveying portion while projecting the abrasive belt positioned between the left and right driven rollers so as to be polished; A pressure applying unit for pressing the base plate with a pressure adjusted uniformly forward by the pressurizing cylinder connected to the polishing pad so that the polishing belt and the panel are polished in close contact with each other; And a belt moving roller for causing the polishing belt to move up and down at constant intervals along the driving roller and the left and right driven rollers while repeatedly operating in a seesaw manner.

In general, panels used for showcases, bookshelves, shelves or various sinks or workbenches for home or office use are made of panels made of synthetic resin, medium density fiberboard (MDF), synthetic wood or natural wood, The panel manufactured to have a predetermined size as described above is formed by grinding the surface (front, rear and outer circumferential surfaces) and then coating the surface with various paints such as paint, ultraviolet paint (UV paint) or urethane paint By applying coatings such as middle (second painting) and top painting (third painting), the appearance and the durability are improved by gloss forming and strength reinforcement.

The painting of the panel is performed by first painting the outer circumference of the panel after the completion of the painting on the front and rear of the panel, and by painting the surface of the panel side (first painting) and middle (second painting) However, in the finishing work of the panel side which is the final painting finishing work, the paint is painted with a brush or a roller in order to finish the surface uniformly and smoothly. The upper surface of the panel is cured and then the surface of the panel is coated with a predetermined thickness (thickness) by using a polishing apparatus usually made of sand paper or the like in order to finish the coating smoothly as a whole The surface of the panel is polished to the outside, It was generously finished.

As a conventional technique relating to the above-described panel grinding apparatus, the Korean Registered Utility Model Registration No. 20-0469085, filed by the present applicant and registered in Korean Registered Utility Model No. 20-0469085, is provided with a horizontally laid base plate, A driving roller provided on the rear upper portion of the base plate to receive a driving force from the driving motor, and left and right driven rollers spaced apart in a straight line on the front upper portion of the base plate, And a cushion member which is connected to a piston of a cylinder fixedly mounted on a front upper portion of the base plate and projects a polishing belt positioned between the left and right driven rollers forward by a predetermined length, And the side surface of the painted panel conveyed through the conveying means A left and a right guide block disposed left and right on the front side of the left and right driven rollers, wherein the right and left guide blocks are disposed on the left and right sides of the left and right driven rollers, The panel is guided along the front surface in a state of being vertically erected and the rear surface of the front end portion is formed as an inclined surface so that the front and rear outer circumferential surfaces of the abrasive belt protruded by the adhered cushion portions are positioned close to each other at a predetermined distance, And a coating film thickness adjusting unit for adjusting the thickness of the coated film on the side of the conveyed panel by adjusting the thickness of the abrasive belt projecting outwardly through the blocks. .

However, in the conventional art, only the side portion of the panel is polished so that the paint protruding outwardly from the side edge of the panel can not be polished effectively, and the cushion member for projecting the polishing belt forward The cushion member is heated by the frictional heat and the paint surface of the panel is heat-damaged. In the polishing process of the panel, the panel is intensively contacted only to a certain portion of the abrasive belt There is a problem that the abrasive belt is rapidly worn out only at a certain portion of the abrasive belt and the abrasion cost is increased due to frequent replacement of the abrasive belt. In addition, There is a problem that the tightness between the belt and the panel is difficult to arbitrarily adjust.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a base plate that is sloped to effectively polish the side edges and bottom edges of the panel, The side edge portion of the panel to be transferred is inserted in accordance with the edge insertion groove so that the corner portion abuts against the polishing belt as a whole to increase the chamfering efficiency and also to improve the chamfering efficiency by the material of the panel to be polished, The base plate is pressurized and supported by a pressurizing cylinder which is constantly adjusted forward by a connected pressurizing cylinder so that the abrasive belt and the panel to be conveyed are polished in close contact with each other while being seated on the inner circumferential surface of the abrasive belt, By means of the belt running roller which is repeatedly operated, So that the entire circumferential surface of the abrasive belt can be uniformly used while being moved upward and downward at regular intervals along the left and right driven rollers.

In order to achieve the above object, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for manufacturing the same, A driving roller and left and right driven rollers are provided with left and right driven rollers spaced apart from each other by a predetermined distance from each other, and a polishing belt is wound and rotated on the driving roller and the left and right driven rollers, and a facing cylinder provided in front of the upper surface of the base plate. A chamfered block is connected to the piston so that the chamfered block, which is located between the left and right driven rollers, protrudes forward in accordance with the advancing operation of the chamfering cylinder, and abuts the side edge portion of the panel, And a control unit connected to one side of the base plate, A pressure contact portion for press-supporting the base plate by a pressure regulated constantly forward by the connected pressure cylinder so that the abrasive belt and the panel are polished in close contact with each other; And a belt moving roller for causing the abrasive belt to move up and down at constant intervals along the driving roller and the left and right driven rollers while being repeatedly operated in the above-described manner.

As described above, according to the present invention, since the base plate is inclined, and the side edges and the lower edge portions of the panel are effectively polished, the chamfered block connected to the piston of the chamfering cylinder is formed with straight- Side edges of the panel are inserted into the corner insertion grooves so that the corner portions abut against the abrasive belt as a whole to increase the chamfering efficiency and also to increase the chamfering efficiency by the pressure cylinder connected to the regulator depending on the material and strength of the panel to be polished. The plate can be polished in a state in which the polishing belt and the panel to be conveyed are closely adhered while the plate is pressed and supported at a constantly controlled pressure, and a belt flow which is repeatedly operated in a seesaw manner within a certain angle in contact with the inner circumferential surface of the polishing belt By the roller, the abrasive belt separates the drive roller and the left and right driven rollers While flowing in the up and down a certain distance there is an effect that the entire outer circumferential surface of the polishing belt may be used evenly.

FIG. 1 is a perspective view of a belt-driven panel edge polishing apparatus according to the present invention,
FIG. 2 is a perspective view of a belt-driven panel edge polishing apparatus according to the present invention,
3 is a perspective view of a belt-driven panel edge polishing apparatus according to the present invention, in which a chamfered block is advanced by a chamfering cylinder and the polishing belt is pushed forward,
FIG. 4 is a perspective view of a belt-driven panel edge polishing apparatus according to the present invention in a state in which a polishing belt is removed;
FIG. 5 is a cross-sectional view of a belt-driven panel edge polishing apparatus according to the present invention,
FIG. 6 is a schematic cross-sectional view of a state in which a side edge portion of a panel, which is conveyed through a conveying portion by a belt-driven panel edge polishing apparatus according to the present invention,
7 is a schematic cross-sectional view of a state in which the driving motor is moved forward and the polishing belt is removed from the base body portion of the belt-driven panel edge polishing apparatus according to the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

The belt-driven panel edge polishing apparatus 1 of the present invention can be applied to a panel (P) made of wood or a synthetic resin material used for a display case, a bookcase, a shelf, (2) provided with a base plate (3) inclined at a predetermined angle and provided with a drive motor (4) at the rear of the base plate (3), and a drive unit A driving roller 25 which is rotatably installed to receive a driving force from the motor 4 and right and left driven rollers 26 provided at left and right spaced apart from the front upper surface portion of the base plate 3, The driven roller 26 is provided with a corner abrading portion 24 for rotating the abrading belt 27 in an unwound state and an abutting cylinder 29 provided in front of the upper surface portion of the base plate 3, The chamfered block 30 is connected to the piston of the cylinder 29, The chamfered block 30 is moved in the forward and backward directions of the panel (not shown) through the conveying unit 20 while projecting the abrasive belt 27 positioned between the left and right driven rollers 26 forward And a pressing cylinder 47 connected to one side of the base plate 3 and connected to the regulator 46. The base plate 3 is fixed to the base plate 3 by a pressing cylinder 47, A pressing contact portion 45 which is press-supported with a constantly adjusted pressure forward to allow the abrasive belt 27 and the panel P to be polished in close contact with each other and a pressing abutting portion 45 abutting against the inner peripheral surface of the abrasive belt 27 And a belt flow roller 50 for causing the abrasive belt 27 to flow upward and downward at constant intervals along the drive roller 25 and the left and right driven rollers 26 while being repeatedly operated in a seesaw manner within a predetermined angle.

1 to 7, the base body portion 2 is installed at a predetermined distance from the side surface of the panel P which is horizontally laid down through a conveying portion 20 such as a normal conveyor, a roller, A base plate 3 made of a metal plate inclined at a predetermined angle is provided as a part for supporting the panel edge grinding apparatus 1 as a whole and a drive motor 4 is installed behind the base plate 3, The base plate 3 is formed into a long rectangular plate shape inclined at a predetermined angle. An upper portion of the rear end portion of the base plate 3 is provided with a drive motor 4, which is orthogonal to the base plate 3, A driving roller 25 installed to be movable forward and rearward by a forward and backward cylinder 10 while being installed and connected to the shaft of the driving motor 4 and a polishing belt 27 wound around the left and right driven rollers 26, And the abrasive belt 27 has a constant tension So as to be rotatably installed.

5 to 7, the base plate 3 is fixed to the base plate 3 at a rear end portion thereof in a front-rear direction in a state where the base plate 3 is orthogonal to the base plate 3, A guide rail 6a is provided in the upper and lower portions in the forward and backward directions and a motor moving plate 8 provided with guide blocks 7a on the upper and lower sides of the other side of the guide rail 6a is guided forward and backward. A motor mounting plate 9 provided with a drive motor 4 is integrally fixed to the rear end of the moving plate 8 and a forward and backward cylinder 10 is fixed to the center of one side of the stationary plate 5 The piston of the forward and backward cylinders 10 is connected to the motor mounting plate 9 so that the motor mounting plate 9 is moved forward and backward by a predetermined distance in accordance with the operation of the forward and backward cylinders 10, In a state in which the motor mounting plate 9 is fixed downward to the rear portion of the motor mounting plate 9, 4 and 7, when the motor mounting plate 9 is moved forward by the forward and backward cylinders 10, the drive roller 25 25 and the abrasive belt 27 wound around the left and right driven rollers 26 are released and replaceable so that the motor mounting plate 9 is moved forward and backward by the forward and backward cylinders 10 as shown in FIGS. The abrasive belt 27 wound around the driving roller 25 and the left and right driven rollers 26 is maintained in a state in which the abrasive belt 27 is tightly mounted.

5 to 7, a spring support plate 11 is fixed to one side surface of the fixing plate 5 in the vertical direction and a piston of the forward and backward cylinder 10 is fixed to the center of the spring support plate 11 And a spring guide rod 12 fixed to the rear side of the motor mounting plate 9 in the forward and backward directions is inserted through the upper and the lower portions of the motor mounting plate 9. The elastic spring 13 is fitted on the outer circumference of each spring guide rod 12, The support belt 11 and the motor mounting plate 9 are elastically supported by the elastic force of the elastic spring 13 so that the abrasive belt 27 wound around the drive roller 25 and the left and right driven rollers 26 has a certain tension So as to rotate in a maintained state.

The forward and backward cylinders 10 are connected to a normal pneumatic pump (not shown) through a pneumatic line and pneumatically operated by a pneumatic cylinder to supply compressed air from the pneumatic pump to forward and backward the piston .

The base plate 3 is provided with side blocks 14 at both left and right ends of the upper surface of the upper surface portion of the base plate 3 and panel guide blocks The left and right side side blocks 14 are formed with a plurality of guide pin through holes 16 in the front and rear direction so that the front and rear side panel blocks 14 are coupled to the rear surface of the left and right panel guide blocks 15 in the forward and backward directions The guide pins 17 of the left and right panel guide blocks 15 are inserted into the guide pin through holes 16 so that the guide pins 17 fixedly attached to the left and right panel guide blocks 15 are inserted into the guide pin through- The front and rear positions of the left and right panel guide blocks 15 are manually adjusted while being guided in the guide pin through holes 16 of the block 14, The pin (17) A male screw portion is formed on the rear outer circumferential surface and the guide pin 17 is fixed while the tightening nut 18 is inserted into the screw hole so as to fix the left and right panel guide blocks 15 whose front and rear positions are adjusted. The guide rails 15 are guided along the front surface of the panel P with the side edge portions of the panel P being conveyed through the conveying portion 20 being in contact with each other and the left and right panel guide blocks 15 are opposed to each other The front end of the abutting front end portion is formed as a gradually sloping surface 19 gradually toward the end of the front end of the abrasive belt 27 protruding outward for a predetermined length by the chamfered block 30 of the chamfered operation portion 28, Is prevented from being caught by the inclined surface (19) formed on the left and right panel guide blocks (15), so that the panel (P) can be stably guided.

The conveying unit 20 includes a conveying unit body 21 and a conveying conveyor 22 and a plurality of conveying rollers 23 are installed on the conveying unit body 21 so as to be vertically spaced apart from each other. The base plate 3 is moved forward and backward in a state in which the panel P is horizontally laid between the conveying conveyor 22 and the conveying roller 23, The lower side edge portion and the front end portion of the panel P which is provided below the conveying portion 21 and passes between the conveying conveyor 22 of the conveying portion 21 and the conveying roller 23 are inclined upward Spaced apart from each other.

In the present invention, if necessary, the base plate 3 is provided on the upper side of the conveying unit 21 with the front side of the base plate 3 inclined downward and passes between the conveying conveyor 22 of the conveying unit 21 and the conveying roller 23 The upper edge portion and the front end portion of the panel P may be spaced apart from each other by a predetermined distance.

The edge polishing portion 24 is a portion for polishing the side edge portion of the panel P to be transferred through the transfer portion 20 as shown in FIGS. 1 to 7, A drive roller 25 provided to be rotatably mounted on the base plate 3 to receive a driving force from the driving roller 4 and left and right driven rollers 26 disposed on the front upper surface of the base plate 3, The abrasive belt 27 made of sand paper or the like is wound around the left and right driven rollers 26 so that the abrasive belt 27 rotates along with the rotation of the drive roller 25 to move the drive roller 25 and the left and right driven rollers 26 A side edge portion of the panel P to be conveyed through the conveying portion 20 while being rotated along the outer periphery is abraded by abutting against the front outer peripheral surface of the abrasive belt 27 as shown in Fig.

The driving roller 25 is integrally connected to the shaft of the driving motor 4 so that the driving roller 25 is rotated together with the rotation of the driving motor 4. The polishing belt 27 rotates together with the front and rear cylinders 10 And is held in a state in which it is detachably or loosely mounted by the driving motor 4 which is moved forward and backward in accordance with the operation of the driving motor 4.

On the other hand, the abrasive belt 27 is rotated in a direction opposite to the conveying direction of the panel P which is horizontally conveyed by the conveying unit 20 between the left and right driven rollers 26, Even when the abrasive belt 27 positioned between the left and right driven rollers 26 is projected forward outward by the chamfered block 30 of the chamfered operation portion 28 as shown in Fig. 6 And a fixed tension is maintained by an elastic spring 13 for elastically supporting the installed motor mounting plate 9. In addition, in the process of transferring the panel P, a portion of the panel P abutting against the outer circumferential surface of the abrasive belt 27 The side edge portions are constantly pressed and pressed by the press contact portion 45, so that the entire surface is polished uniformly.

1 to 7, the chamfered operation portion 28 abuts the outer peripheral surface of the abrasive belt 27 so that the side edge portions of the panel P conveyed by the conveyance portion 20 are uniformly polished And a chamfered block 30 is connected to the piston of the chamfering cylinder 29 to connect the chamfering cylinder 29 The chamfered block 30 is pressed against the side edge portion of the panel P to be conveyed through the conveying portion 20 while projecting the abrasive belt 27 positioned between the left and right driven rollers 26 forward And the polishing cylinder 29 is pneumatically operated by a pneumatic cylinder connected to a normal pneumatic pump (not shown) through a pneumatic line and supplied with compressed air from the pneumatic pump. The piston is moved forward and backward The chamfered block 30 has a shape of a block made of a metal such as aluminum having a predetermined thickness and has a corner insertion groove 31 having a V- The side edge portion of the panel P to be conveyed is inserted into the edge insertion groove 31 of the chamfered block 30 as shown in FIG. 6, so that the side edge portion of the panel P is entirely And is held in contact with the belt 27 so as to be chamfered evenly.

The chamfered block 30 is provided with a heat dissipating plate 32 made of a metal material such as aluminum at spaced intervals in the back and forth direction through a plurality of bolts or the like so that the chamfered block 30 is attached to the abrasive belt 27 The frictional heat generated in the process of abutting and rubbing is rapidly cooled through the space between the chamfered block 30 and the heat sink 32. The block mounting plate 33 is fixed to the end of the piston of the facing cylinder 29 The heat dissipating plate 32 is fitted in the front of the block mounting plate 33 in a concave and convex manner and is fastened by the connecting pin 34 so that the chamfered block 30 can be easily attached and detached.

5 to 7, the positioning cylinder 35 is formed integrally with the positioning cylinder 29 so as to be pierced in the forward and backward directions, And a male screw rod 37 is screwed into the female screw hole of the position adjusting member 35 so as to be movable in the front and rear direction with a guide member 36 fixed to the upper surface of the plate 3 A first bevel gear 39 is mounted on the rear end of the male screw rod 37. A gear housing 38 is fixed to the upper surface of the base plate 3 at a rear portion spaced apart from the guide member 36 by a predetermined distance. And the rear portion of the male screw rod 37 is inserted through the front portion of the gear housing 38. The gear housing 38 is fixed to the upper surface of the gear housing 38 with a second bevel gear 41, The first bevel gear 3 of the male screw rod 37 9 of the position adjusting rod 40 and the second bevel gear 41 of the position adjusting rod 40 are engaged with each other at the inner side of the gear housing 38, The position adjustment member 35 is moved back and forth along the male screw rod 37 while the male screw rod 37 is rotated by rotating the upper portion in the normal and reverse directions so that the front and rear positions of the cylinder 29 can be adjusted.

The guide shaft 42 is connected to the block mounting plate 33 so that the chamfered block 30 is connected to the front and rear straight cylinders 29, So as to stably move forward and backward.

The chamfered operation part 28 is configured such that the forward and backward movement of the facing cylinder 29 is controlled by the panel detection sensor 43 provided on the conveyance body 21 of the conveyance part 20, 5 to 7, the main body 43 is fixedly mounted on a conveying body 21 located above the portion on which the left driven roller 26 is installed, And the lower end of the sensing sensor line 44 is positioned between the conveying roller 23 of the conveying unit 20 and the conveying conveyor 22 so that the conveyed panel P is conveyed to the sensing sensor line 44. [ When the detection sensor wire 44 rotates as it passes over the sensor 44 and the panel sensor 43 senses the sensor sensor 43 and the facing cylinder 29 is advanced to move the chamfered block 30 between the left and right driven rollers 26 So that the abrasive belt 27 positioned at the front end of the plate When the panel P is brought into contact with the outer circumferential surface of the abrasive belt 27 and polished and the panel P is returned to the vertical downward direction through the sensor line 44, It is possible to prevent the chamfered block 30 from being rubbed and heated by the abrasive belt 27 which is rotated while the chamfered block 30 is spaced apart from the abrasive belt 27 by a certain distance do.

A conventional timer device (not shown) is connected to the panel sensor 43. The panel sensor 43 is connected to the timer device for a predetermined period of time So that the cotton cylinder 29 can be moved forward and backward.

1 to 7, the pressure applying unit 45 presses the base plate 3 forward at a constant pressure according to the material and strength of the panel P to be conveyed, and presses the polishing belt 27 and the panel The base plate 3 is fixed to the front side of the base plate 3 by a pressurizing cylinder 47 connected to the regulator 46 while being connected to one side of the base plate 3, The polishing pad 27 and the panel P are brought into close contact with each other while the pressing and adhering portion 45 is vertically erected on one side of the inclined base plate 3 And a guide block 7b is installed in the upper and lower portions of one side of the one side of the pressure plate 48. The guide block 7b is provided on the upper and lower sides of the other side of the guide rail 6b The vertical mounting plate 49, The piston of the pressurizing cylinder 47 is fixedly connected to one side of the pressurizing plate 48 while the pressurizing cylinder 47 is fixed to the center of the other side of the vertical mounting plate 49, Is constantly supplied with a constantly regulated pressure by a normal regulator 46 to press the pressure plate 48 forward.

The pressurizing cylinder 47 is connected to a normal air pressure pump (not shown) through a pneumatic line and pneumatically operated by a pneumatic cylinder. The compressed air is supplied from the pneumatic pump to forward and backward the piston The pressure applied to the pressurizing cylinder 47 is controlled by the regulator 46 connected to the pneumatic line according to the material and the strength of the panel P to be polished, So that the abrasive belt 27 is brought into close contact with the panel P to be polished so as to be polished.

5 to 7, the vertical mounting plate 49 is adjustably connected to the conveying body 21 of the conveying unit 20 so as to be adjustable in height or adjustable in the forward and backward directions.

As shown in FIGS. 1 to 7, the belt-moving roller 50 is a portion for allowing the entire circumferential surface to be uniformly used in the polishing process by flowing the polishing belt 27. The belt- The abrasive belt 27 is moved up and down at regular intervals along the drive roller 25 and the left and right driven rollers 26 while the belt moving roller 50 is rotated in a seesaw manner within a predetermined angle, And is rotatably installed on one side of a roller mounting bracket 51 connected to the base plate 3 in a state of standing parallel to the belt 27 so as to be rotatable in the vertical direction, The upper end of the bracket connecting block 52 fixed to the upper surface of the base plate 3 is inserted into the center of the roller mounting bracket 51 State by the pivot shaft 53 The roller mounting bracket 51 is operated in a seesaw manner about the pivot shaft 53 while the lower portion of the roller mounting bracket 51 is projected downward through the base plate 3, 3, the piston of the roller moving cylinder 54 fixed in the left and right direction is integrally connected and the lower portion of the roller mounting bracket 51 is moved to the left side according to the advancing operation of the roller moving cylinder 54 The belt driving roller 25 and the left and right driven rollers 26 are moved upward by the belt moving roller 50 while the belt moving roller 50 is positioned upwardly inclined around the rotating shaft 53, And the lower portion of the roller mounting bracket 51 is moved to the right side according to the backward movement of the roller moving cylinder 54. When the belt moving roller 50 is positioned downwardly inclined around the rotating shaft 53, The belt (27) Pressed downward by the 50 it is to be moved toward the bottom along the drive roller 25 and the left and right driven roller (26).

The belt 54 is moved forward and backward at a predetermined time interval so that the abrasive belt 27 is moved upward and downward along the drive roller 25 and the left and right driven rollers 26 by the belt- So that the outer circumferential surface of the abrasive belt 27 is uniformly used as a whole.

Hereinafter, the operation of the present invention will be described.

The side edge portions of the panel P made of wood or synthetic resin material used for a display case, a bookshelf, a shelf, a kitchen sink, a work table or the like of a home or office using the belt-driven panel edge polishing apparatus 1 according to the present invention The surface of the panel P is projected outwardly between the conveying conveyor 22 of the conveying unit 20 and the conveying roller 23 in a state in which the panel P is horizontally laid To be horizontally conveyed along the conveying unit 20.

The side edge portions of the panel P that are horizontally conveyed through the conveying portion 20 are horizontally conveyed by the driving roller 25 which is rotated by receiving the driving force from the driving motor 4 of the base body portion 2, The transfer conveyor 22 of the conveying unit 20 and the conveying roller 22 of the conveying unit 20 are brought into contact with the outer peripheral surface of the polishing belt 27 wound on the outer peripheral surface of the driven roller 26, When the panel P conveyed between the chambers 23 is sensed by the sensor sensor line 44 of the panel sensor 43, the panel sensor 43 advances the chambers 29 to move the chamfer block 30 are caused to protrude forward by a predetermined length from the front side of the polishing belt 27 positioned between the left and right driven rollers 26 so that the lateral edge portions of the panel P to be conveyed are offset from the outer peripheral surface of the abrasive belt 27 And the panel P is passed through the sensor line 44 to be vertically downward, The panel detection sensor 43 senses this and the backing cylinder 29 is operated backward by the polishing belt 27 rotating with the chamfered block 30 spaced apart from the polishing belt 27 by a predetermined distance Thereby preventing the chamfered block 30 from being rubbed and heated.

6, the front side of the chamfered block 30 is formed in a straight line on the front face of the chamfered block 30 in the process of chamfering the side edge portion by the chamfered block 30, The side edge portions of the panel P to be transferred to the edge insertion grooves 31 are inserted so as to coincide with each other so that the side edge portions of the panel P come into contact with each other while being wrapped by the polishing belt 27 as a whole, The pressure supplied to the pressure cylinder 47 through the regulator 46 of the pressure adhering portion 45 is adjusted according to the material and the strength of the panel P subjected to the polishing process so that the pressure plate 48 is pressed by the pressure cylinder 47, The base plate 3 is press-supported at a constantly controlled pressure forward, and the polishing belt 27 and the transferred panel P are polished in close contact with each other.

On the other hand, while the roller moving cylinder 54 provided on the lower surface of the base plate 3 is operated forward and backward at a predetermined time interval, the belt moving roller 50 is repeatedly operated in a seesaw manner within a certain angle, Is repeatedly moved upward and downward at predetermined intervals along the drive roller 25 and the left and right driven rollers 26 by the belt flow roller 50 to polish the side edge portions of the panel P, Is used evenly as a whole.

1. Panel edge polishing device 2. Base body part
3. Base plate 4. Drive motor
5. Fixing plates 6a and 6b. Guide rail
7a, 7b. Guide block 8. Motor moving plate
9. Motor mounting plate 10. Front and rear cylinder
11. Spring support plate 12. Spring guide rod
13. Elastic spring 14. Side block
15. Panel guide block 16. Guide pin through hole
17. Guide pin 18. Tightening nut
19. Slope 20. Feeder
21. Feeder body 22. Feed conveyor
23. Feed roller 24. Edge polishing part
25. Drive roller 26. Driven roller
27. A polishing belt 28. A chamfering operation portion
29. Cotting cylinder 30. Chamfering block
31. Corner insert groove 32. Heat sink
33. Block mounting plate 34. Connecting pin
35. Position adjusting member 36. Guide member
37. Male thread rod 38. Gear housing
39. 1st bevel gear 40. Positioning rod
41. 2nd bevel gear 42. Guide shaft
43. Panel Detection Sensor 44. Detection Sensor Line
45. Pressure-applying portion 46. Regulator
47. Pressure cylinder 48. Pressure plate
49. Vertical mounting plate 50. Belt flow roller
51. Roller mounting bracket 52. Bracket connecting rod
53. Pivot shaft 54. Roller flow cylinder
P: Panel

Claims (9)

A base body 2 provided with a drive motor 4 at the rear of the base plate 3 inclined at a predetermined angle and a drive roller 25 provided to be rotated by the drive motor 4 and a base plate 3 A pair of right and left driven rollers 26 provided on the front upper surface portion and provided with a driving roller 25 and left and right driven rollers 26 are provided with a corner polishing portion 24 for swinging and rotating the polishing belt 27, 3, the chamfered block 30 is connected to the piston of the chamfering cylinder 29 provided in front of the upper surface portion of the chamfered portion 3 so that the chamfered block 30 is moved between the left and right driven rollers 26 A chamfered operation portion 28 for causing the side edge portions of the panel P to be conveyed through the conveyance portion 20 to be abutted and polished by projecting the abrasive belt 27 of the base plate 3 forward, And the base plate 3 is pressed forward by the pressurizing cylinder 47 connected to the regulator 46 so that the abrasive belt 27 The polishing belt 27 abuts on the inner circumferential surface of the abrasive belt 27 and is repeatedly operated in a seesaw manner within a predetermined angle so that the abrasive belt 27 abuts against the driving roller 25 And a belt flow roller 50 for causing the upper and lower driven rollers 26 to move up and down along the left and right driven rollers 26. The chamfered operation portion 28 is fixed to the conveying body 21 located above the left driven roller 26 A panel sensing sensor 43 provided with a sensing sensor line 44 is provided and a lower end of the sensing sensor line 44 is positioned between the conveying roller 23 of the conveying unit 20 and the conveying conveyor 22, The panel sensing sensor 43 advances the facing cylinder 29 and the panel P passes through the sensor sensor line 44. When the panel sensor P is detected by the sensor sensor line 44, (43) reversely actuates the abutment cylinder (29).
The fixing plate (5) as set forth in claim 1, wherein the base plate (3) is fixed to the base plate (3) at a rear end portion thereof at right angles to the base plate (3) And the guide rail 6a is provided on the guide rail 6a so that the motor moving plate 8 provided with the guide block 7a on the upper and lower sides of the other side is guided forward and backward, A motor mounting plate 9 to which a driving motor 4 is connected is fixed to the rear portion of the fixed plate 5 and a forward and backward cylinder 10 is fixed to the center of one side of the fixed plate 5, Wherein the motor mounting plate 9 is connected to the motor mounting plate 9 so that the motor mounting plate 9 is moved forward and backward by a predetermined distance in accordance with the operation of the forward and backward cylinders 10.
3. The apparatus according to claim 2, wherein the fixing plate (5) has a spring support plate (11) fixed on one side thereof and a piston of a forward and backward cylinder (10) inserted through the center of the spring support plate A spring support rod 12 fixed to the motor mount plate 9 in the forward and backward directions is inserted through the rear surface of the motor mounting plate 9 and the spring support plate 11 and the spring support plate 12 are inserted into the outer periphery of each spring guide rod 12, The motor mounting plate 9 is elastically supported by the elastic force of the elastic spring 13 so that the driving roller 25 and the left and right driven rollers 26 wound around the shaft of the driving motor 4 and the right and left driven rollers 26 ) Is rotated in a state of maintaining a constant tension.
[2] The apparatus according to claim 1, wherein the chamfered operation part (28) has a corner insertion groove (31) having a V-shaped cross section in a straight line on the front face of a chamfered block (30) The side edges of the panel P are inserted into the edge insertion grooves 31 of the chamfered block 30 so that the side edges of the panel P are wrapped around the polishing belt 27, Wherein the belt-driven panel edge polishing apparatus is provided with a belt-driven panel edge polishing apparatus.
5. The method according to claim 1 or 4, wherein the chamfered block (30) is provided with a heat dissipating plate (32) spaced at a predetermined distance from the rear through a plurality of bolts, so that the chamfered block (30) The frictional heat generated in the process of abutting and rubbing is air-cooled through the space between the chamfered block 30 and the heat radiating plate 32. The block mounting plate 33 is fixedly installed at the piston end of the chamfering cylinder 29 Wherein the heat dissipating plate (32) is inserted into the front side of the block mounting plate (33) in a concavo - convex manner and is coupled through the connection pin (34).
The positioning apparatus according to claim 1, wherein the positioning cylinder (29) has a position adjusting member (35) formed by inserting a female screw hole in a front and a rear portion thereof in a lower portion thereof and a position adjusting member The male screw rod 37 is screwed into the female screw hole of the position adjusting member 35 and the first bevel gear 39 is screwed to the rear end of the male screw rod 37. [ And a gear housing 38 is fixed to the upper surface portion of the base plate 3 at a position spaced apart from the guide member 36 by a predetermined distance so that the rear portion of the male screw rod 37 is engaged with the gear housing 38 A position adjusting rod 40 having a second bevel gear 41 extending through the lower end of the gear housing 38 penetrates through the front portion of the gear housing 38. The first bevel gear 37 39 and the second bevel gear 41 of the position adjusting rod 40 are meshed with each other and the gear housing 38 The position adjusting section projected outward rod 40, the belt-driven panel edge surface grinding apparatus according to the normal and reverse rotation, characterized in that the longitudinal position of the preparative cylinder 29 of the control.
delete The presser foot (1) according to claim 1, wherein the pressure applying unit (45) comprises a pressure plate (48) fixedly installed on a side surface of an inclined base plate (3) A guide block 7b is provided in the front and rear directions and the guide block 7b is guided in such a manner that a vertical mounting plate 49 provided with guide rails 6b on the upper and lower sides of the other side is moved back and forth, The piston of the pressurizing cylinder 47 is fixedly connected to one side of the pressurizing plate 48 while the pressurizing cylinder 47 is fixedly connected to a pressure regulated by the regulator 46 And is adapted to pressably support the pressure plate (48) forward.
The belt driving apparatus according to claim 1, wherein the belt moving roller (50) is vertically disposed on one side of a roller mounting bracket (51) connected to the base plate (3) The outer circumferential surface of the belt flow roller 50 is positioned to abut the inner circumferential surface of the abrasive belt 27 and the bracket connecting bar 52 fixed to the upper surface of the base plate 3 is provided at the center of the roller mounting bracket 51 The roller mounting bracket 51 is operated in a seesaw manner around the pivot shaft 53 while the lower portion of the roller mounting bracket 51 is engaged with the lower end of the roller mounting bracket 51 The piston of the roller moving cylinder 54 fixed to the lower surface of the base plate 3 in the left and right direction is connected to the base plate 3 while projecting downward through the base plate 3, The belt moving roller 50 rotates about the rotation axis 53 Or a belt-driven panel edge grinding device as downwardly inclined position by pressing downwardly the lift belt (27) for polishing upwardly, characterized in that to cause the upper and lower flow.
KR1020150099750A 2015-07-14 2015-07-14 The edge grinder for a panel KR101795762B1 (en)

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JP2680418B2 (en) * 1989-05-12 1997-11-19 捨義 沼尾 Polishing equipment
KR200469085Y1 (en) * 2013-01-04 2013-09-16 최규종 The coating grinder for a panel

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