KR101616643B1 - Automatic Grinding Apparatus for Inner Surface of Container - Google Patents

Abstract

The present invention provides an automatic grinding apparatus for an internal surface of a container, comprising: a grinder made of a buff covering a buffing wheel combined with both axes of a rotor on a top end of a pillar connected to a motor installed in a base fixture with a timing belt; a frame driving unit including fixing and recovering cylinders which make a rotating plate rotate around a rotating rod to insert a container into the frame and recover the container which makes a rotating buff, which rotates in a direction of the grinder, contact an internal surface of the container inserted into the frame to make the frame rotate at high speeds in another direction to grind or cut; and a grinding controller made of a first and a second stroke moving units installed in both sides of the grinder and placed over and under the buff of the grinder such that the frame is placed on a proper position corresponding to the buff, and to move the frame driving unit in all directions. The frame of the grinding controller is able to approach from all directions with a certain angle, and an automatic grinding is able to be done.

Description

Technical Field [0001] The present invention relates to an automatic grinding apparatus for an inner surface of a container,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner surface polishing machine for a container, and more particularly, to polish and cut the inner surface of a metal kitchen container such as a tableware, a rice cooker or a frying pan and a pot, ≪ / RTI >

In general, in order to machine the inner surface of a metal container, a skilled technician puts the paper into the inner surface of the rotatable container and inserts the polishing cloth or polishes the polishing cloth, The abrasive machining by the abrasion has been performed by hand work.

However, a representative known technique for overcoming such a manual operation is that it is dependent on a skilled worker and has low productivity, and a fixture for inner surface polishing of a container is disclosed in Utility Model No. 1993-002180 (April 24, 1993).

The inner surface polishing jig of the container is configured to fix the cutting paper or the abrasive polishing cloth to the mounting groove of the jig body by bolts and to fix the jig body to the rotary piston so that the inner surface is required to be cut or polished When the flask is rotated at a high speed in a predetermined direction by inserting the container in an air suction manner inside the flask, the piston gradually rotates at a low speed in the direction opposite to the flask and slowly advances the jig body to rotate the container at a high speed. Cutting or polishing.

However, this prior art technique requires manual work in view of the fact that the automation of approaching the main body fixture to the container for polishing the container fixed to the mold is not disclosed. Especially, during the high speed rotation of the mold, It is a work requiring considerable skill, so even if a skilled worker does work, the productivity is not high.

In view of these points, it can be seen that the present invention is highly desirable if it is possible to automatically cut or polish the inner surface of the container to obtain a desired degree of gloss so that a uniform quality container can be processed in large quantities.

SUMMARY OF THE INVENTION An object of the present invention is to provide an automatic polishing apparatus for an inner surface of a container in which polishing and cutting are automatically performed so that the inner surface of a metal container is polished so that a uniform polishing is performed in a large amount.

It is another object of the present invention to provide an automatic polishing apparatus for an inner surface of a container in which a plurality of shapes of the bottom and sides of the inner surface of a metal container are flexibly and uniformly polished in a large amount.

According to the present invention, the automatic polishing apparatus on the inner surface of the container comprises a rotator connected to the motor provided in the support and connected to the motor by a timing belt, and a buffing tool mounted on both axes of the rotator, And a recovery cylinder connected to an extension portion extending from one side of the rotary plate rotated around the rotary bar, wherein the operation rod is fixed adjacent to the rotary support bar of the rotary plate so as to insert and retrieve the container in the mold, A mold driving part for bringing the inner surface of the container inserted into the mold into contact with the rotating buff rotating in one direction and performing the polishing or cutting by rotating the mold at a high speed in another direction; A first and a second motor for moving the mold driving unit back and forth and left and right in a state in which the mold is arranged at the left and right sides of the polishing machine and arranged at the top and the bottom with respect to the buff of the polishing machine, And the second stroke moving parts.

The first stroke movement part includes a first rotation coupling part provided adjacent to the base part and having a rotation part rotatably installed in the cavity at the center thereof; A first fixing block installed on the rotary shaft of the first rotary coupling portion to cause its rotation at a predetermined angle; A first LB block installed on the first fixed block to enable the first bed to move back and forth; A first bed fixed on the first ELM block and configured to be movable back and forth; And a first operating rod connected to the first hydraulic piston and operated in accordance with the back-and-forth movement of the first hydraulic piston, the first hydraulic piston being located outside the first bed and being moved back and forth so that hydraulic pressure is applied to the front and rear of the first bed. And a first pneumatic piston located in the first bed and interlocking with the first operating rod to enable the back and forth movement of the first bed in accordance with the back and forth movement of the first hydraulic cylinder, A first air cylinder having a buffer function with respect to the buffing pressure so that the front surface is maintained at a predetermined air pressure and a second air cylinder having one side fixed to the front surface of the first air cylinder and the other side fixed to the first fixing block, And a first stopper having one stopper.

The first stroke generating portion is configured such that the first operating rod connected to the first hydraulic piston of the first hydraulic cylinder extends into the first stroke generating portion and is connected to the first pneumatic load by the first connecting portion, So that the first air cylinder and the first hydraulic cylinder interlock with each other to allow the first bed to move back and forth.

The first rotation coupling unit includes a cylindrical first wall portion fixed on the base by a first coupling ring, a first rotation plate rotatably disposed in the hollow of the first wall portion, And first fixing bolts installed on one side of the wall.

The first fixed block is engaged with the rotation axis of the first rotation axis or rotates together with the first rotation axis.

The second stroke movement part includes a second rotation coupling part provided on the upper surface of the first bed and having a rotation axis rotatably installed in the cavity at the center thereof; A second fixing block installed on the rotary shaft of the second rotary coupling portion to cause its rotation at a predetermined angle; A second LB block installed on the second fixed block to enable the second bed to move back and forth; A second bed fixed on the second ELM block and configured to be movable back and forth; And a second operating rod connected to the second hydraulic piston and operated in accordance with the back-and-forth movement of the second hydraulic piston, the second hydraulic piston being located outside the second bed and causing the hydraulic pressure to be applied or recovered back and forth, And a second pneumatic piston located in the second bed and interlocking with the second operating rod to enable the back and forth movement of the second bed in accordance with the back and forth movement of the second hydraulic cylinder, The second air cylinder having one side fixed to the front face of the second air cylinder and the other side fixed to the second fixing block so as to maintain the predetermined air pressure, And second stroke generators provided with the second stroke generators.

The second stroke generating portion is configured such that the second actuating rod connected to the second hydraulic piston of the second hydraulic cylinder extends into the second stroke generating portion and is connected to the second pneumatic load by the second connecting portion and the second pneumatic rod is connected to the second pneumatic rod So that the second air cylinder can be moved back and forth by interlocking the hydraulic cylinder with the second air cylinder.

The second rotating coupling portion includes a cylindrical second wall portion fixed to the upper surface of the first bed by a second coupling ring, a second rotating plate rotatably positioned in the hollow of the second wall portion, And second fixing bolts installed on one side of the wall portion to be fixed.

The second fixed block is coupled with the rotation axis of the second rotation axis or rotates together with the second rotation axis.

The buff is fixed to the buffing wheel in a diamond-like structure.

According to the present invention, the polishing regulator automatically grasps a form frame of a mold driving unit at a predetermined angle with respect to a grinding machine buff, so that the diamond-shaped buff can be polished irrespective of the shape of the inner face of the container, During the polishing process, the contact gap due to wear of the buffer is further moved by the air cylinder so as to exert a total pressure. At the same time, the buffer cylinder acts on the inner surface of the container in accordance with the shape thereof.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
1 is a front view showing an automatic polishing apparatus for an inner surface of a container according to the present invention;
Figures 2 (a) and 2 (b) are cross-sectional views showing the first stroke-moving part and the first rotational engaging part of the automatic polishing apparatus on the inner surface of the container according to the present invention
3 is an enlarged sectional view showing a state before the polishing member is positioned with respect to the inner surface of the container which is placed on the mold while moving the automatic polishing apparatus on the inner surface of the container according to the present invention,
4 is an enlarged sectional view showing a state in which an abrasive member is positioned with respect to an inner surface of a container placed on a mold by moving the automatic polishing apparatus for an inner surface of a container according to the present invention,
FIG. 5 is an enlarged sectional view showing a polishing operation state by positioning a polishing member against an inner surface of a container moved on an inner surface of a container by moving the automatic polishing apparatus for inner surface of a container according to the present invention,
6 is an enlarged top view showing an operating state in which the abrading member is positioned on the inner surface of the container placed on a mold by moving the automatic polishing apparatus for the inner surface of the container according to the present invention,
7 is an entire top view showing a state in which a fixing plate for positioning an abrasive member with respect to an inner surface of a container moved on an inner surface automatic polishing apparatus according to the present invention is rotated around a hinge.

The present invention will now be described in detail with reference to the accompanying drawings.

As shown in Figs. 1, 2a and 2b, 3, 4 and 5, the automatic polishing apparatus 10 of the inner surface of the vessel is provided with an unillustrated front part, an electronic control part and pneumatic equipment and hydraulic equipment A grinding machine 100 which is composed of a main body 20 and an upper portion of the main body 20 and is located at an upper middle portion to be described in detail hereinafter and a grinding machine 200 which supports polishing grinders 200 arranged on both sides of the grinding machine 100 30).

The polisher (100) is provided with a support column (40) in the middle of the support base (30). The rotating body 130 receives the power of a motor (not shown) provided below the base 30 by a timing belt, do. A control panel 120 consisting of a plurality of power and control switches adjacent to the post 40 is installed by another support 41. The rotating body 130 is fixed to a diamond-shaped buff 110 made of a mop, polybear, and pepper, which will be described in detail later on the buffing wheel axially combined with its left and right axes. In this grinding machine 100, the rotating body 130 which receives the power of a motor (not shown) provided on the inner surface of the base is operated by the timing belt, so that the buff 110 is rotated on both axes thereof, And cooperates with a polishing regulator 200 (hereinafter also referred to as a polishing regulator) to polish or cut the inner surface of the container as will be described in detail later.

The polishing adjusters 200 are provided on the base 30 with cylindrical first and second rotary engaging portions 150 and 170 which are located at both sides of the support 40 and are set to be relatively low in height . Here, only the polishing regulator 200 provided on the first rotation coupling part 150 will be described.

The abrasive adjuster 200 includes a first stroke moving part 500 which is inclined with respect to the abrasive machine 100 and is capable of moving back and forth on the first rotating part 150, And is fixed on the second stroke moving part 400 and the second stroke moving part 400 that are installed on the polishing machine 100 so as to be inclined with respect to the polishing machine 100 and can move left and right, (Not shown).

The first stroke moving part 500 includes a first bed 530 which is constituted by an outer body and which can be moved back and forth, a first stroke 530 which is positioned so as to enable the back and forth movement of the first bed 530 in the first bed 530, Generating unit 540, and a first hydraulic cylinder 560 located outside the first bed 530. [

The first stroke generating unit 540 includes a first air cylinder 590 that functions as a buffer against the pressure of buffing (polishing or cutting) by keeping a predetermined air pressure, for example, 850 kg, on the front surface. The first air cylinder 590 has a lower end coupled to a first stopper 550 fixed to a fixing block 510, which will be described later in detail.

The first hydraulic cylinder 560 can be moved back and forth by allowing the first hydraulic piston 542 to be applied with hydraulic pressure back and forth therein. A first actuating rod 543 is coupled to the first hydraulic piston 542 and the first actuating rod 543 extends into the interior of the first stroke generating portion 540 and is fixed to the first connecting portion 544 The first pneumatic piston 545 of the first air cylinder 590 is connected to the first connection 544 by a first pneumatic rod 546.

 The first rotary moving part 500 includes a first rotary engaging part 150 installed adjacent to the base unit 30 to rotate the first rotary engaging part 150, (520) installed on the first fixing block (510) and the first fixing block (510) to enable the first bed (530) to move back and forth.

The first rotation coupling part 150 includes a cylindrical first wall part 151 fixed on the base unit 30 by a first coupling ring 152 and a cylindrical first wall part 151 rotatably disposed in the inner hollow of the first wall part 151 And a first fixing bolt 154 installed at one side of the wall 151 to be fixed after rotation of the first rotation plate 153. [

The first fixed block 510 is coupled with the rotation axis of the first rotation plate 153 or rotated together with the first rotation plate 530. The fixing block 510 has a first elbow block 520 positioned thereon.

 Therefore, as shown in FIGS. 2A and 2B, the first stroke moving part 500 can be positioned at an angle to the polishing machine 100 by rotating the first rotating plate 153, and the first stroke generating part When the first hydraulic piston 542 of the first hydraulic cylinder 560 is moved back and forth in the first and second hydraulic cylinders 540 and 540 by the first air cylinder 590 against the back and forth movement of the first actuating rod 543, So as to move forward and backward with respect to the polishing machine 100. At this time, the first air cylinder 590 maintains the air pressure supplied to the front of the first pneumatic piston 545, for example, 85 kg, so that the speed of the buff 110 of the polishing machine 100 The first bed 530 of the first stroke moving part 500 is moved so that the inner surface of the container is ground at a constant pressure. Here, it can be seen that the first air cylinder 590 acts to buffer the moving pressure of the first bed 530 toward the buff 110.

Likewise, the second stroke moving part 400 moves left and right and the first stroke moving part 500 is arranged to move back and forth, but their configurations are the same.

3 and 4, the second stroke moving part 400 includes a second bed 430 which is constituted by an external body and which is movable in the left and right direction, a second bed 430 in the second bed 430, And a second hydraulic cylinder 490 located outside the second bed 430. The second hydraulic cylinder 490 is located outside the second bed 430,

The second stroke generating unit 440 is the same as the first stroke generating unit 540 so as to maintain a predetermined air pressure, for example, 85 kg, on the entire surface, Two air cylinders 490 are provided. The second air cylinder 490 is coupled to a first stopper 450 whose one lower end is fixed to the second fixing block 410. The second hydraulic cylinder 460 can be moved back and forth by allowing the second hydraulic piston 442 to be applied with hydraulic pressure back and forth therein. A second actuating rod 443 is coupled to the second hydraulic piston 442 and this second actuating rod 443 extends into the interior of the second stroke generating portion 440 and is fixed to the second connecting portion 444 The second pneumatic piston 445 of the second air cylinder 490 is connected to the second connecting portion 444 by the second pneumatic rod 446.

 The second stroke moving part 400 includes a second rotary engaging part 170 installed adjacent to the first bed 530 and causing its rotation to rotate, a second fixed block installed on the second rotary engaging part 170 410 and a second EL block 420 installed on the second fixing block 410 to allow the second bed 430 to move back and forth.

The second rotating coupling portion 170 has the same structure as the first rotating coupling portion 150 and has a second coupling ring 172 on the first bed 530 instead of the base unit 30 as shown in FIG. A second rotatable plate 173 rotatably disposed in the hollow of the second wall 171 and a second rotatable plate 173 which are fixed after rotation of the second rotatable plate 173, And second fixing bolts 174 provided on one side of the second wall portion 171 (see FIG. 2B).

Therefore, the second stroke moving part 400 can be positioned at an angle with respect to the polishing machine 100 by rotating the second rotating disk 173, and the second stroke generating part 440 can also be positioned at the second hydraulic cylinder 460 The second bed 430 is moved back and forth by the second air cylinder 490 against the back and forth movement of the second actuating rod 443, As shown in Fig.
At this time, the second air cylinder 490 maintains the air pressure supplied to the front of the second pneumatic piston 445, for example, 85 kg, so that the speed of the buff 110 of the polishing machine 100 The second bed 430 is moved so that the inner surface of the container is ground at a constant pressure. Here, it can be seen that the second air cylinder 490 acts to buffer the moving pressure of the first bed 430 toward the buff 110.

The mold driving part 300 includes a third fixing block 260 fixed on the second bed 430, a rotation plate 290 formed of a disk cam having a rotation axis in the fixing block 260, A motor 240 having a drive shaft 250 coupled to a power transmission gear (not shown) at one side of the gear box 230 and a spindle A vacuum aspirator or a chucking part 210 for vacuum-fixing the container 280 accommodated in the mold 220 and the mold 220 as a container receiving part rotated by the rotational force of the motor 240 Chunking.

The mold driving unit 300 further includes a fixed cylinder S1 and a recovery cylinder S2 for inserting and withdrawing the container 280 into the mold 220 as shown in Figs. 4, 5 and 6. The fixed cylinder S1 is mounted on the first bed 530 such that the operating rod is adjacent to the rotary support rod 291 on the rotary plate 290 that rotates about the hinge H so as to position the formwork 220 in place, And the recovery cylinder S2 is installed on the side of the second bed 430 so that the operation rod is connected to the extension extending from one side of the rotation plate 290 so that the mold driving part 300 is rotated to the outside by a predetermined angle do.

 As shown in FIG. 7, the polishing apparatus 10 on the inner surface of the container is provided with first and second stroke moving parts 500 and 400 and a mold driving part 300 on the right and left sides of the polishing machine 100, And the abrasive adjuster 200 placed thereon is provided.

As can be seen in the figure, the buff 110 is fixed to the buffing wheel with a diamond-like mapper barrier, a pepper wheel leather. The first and second stroke moving parts 500 and 400 are arranged at a certain angle with respect to the buff 110 by rotating their respective first and second rotary engaging parts 150 and 170. As a result, the buff 110 is brought into contact with the edge portion of the container 280 within the mold 220 as shown in Fig. This makes it possible to polish any shape of container to be inserted into the mold 220.

10: inner surface polishing apparatus 100: polishing machine
200: abrading regulator 300:
500, 400: first and second stroke moving parts 530, 430: first and second beds
560, 460; The first and second hydraulic cylinders
590, 490: first and second air cylinders

Claims (10)

1. An automatic polishing apparatus for an inner surface of a container,
A grinding machine comprising a rotating body installed on a support and connected to a motor installed inside the supporting structure by a timing belt, and a buff covering the buffing wheel coupled to both axes of the rotating body;
And a recovery cylinder connected to an extension portion extending from one side of the rotary plate rotated around the rotary bar, wherein the operation rod is fixed adjacent to the rotary support bar of the rotary plate so as to insert and retrieve the container in the mold, A mold driving part for bringing the inner surface of the container inserted into the mold into contact with the rotating buff which rotates at a high speed in either one direction of the mold, thereby to perform the polishing and cutting by rotating the mold at low speed in the other direction;
A first rotary coupling portion disposed on the left side of the abrading machine and disposed at a lower portion thereof and having a lower portion provided with a first rotary portion for rotating the form portion to correspond to the buff, A first hydraulic cylinder provided in the first bed and having a first hydraulic piston and a first operating rod for moving the first bed back and forth with respect to the buff, A first stroke moving part having first pneumatic piston and first stroke generating part for moving the first bed back and forth by keeping the inside of the front face of the first pneumatic piston at a constant pressure; A second rotatable engaging portion having a second rotatable portion which is disposed at an upper left position of the abrasive machine and which is arranged at an upper portion thereof and rotated at a lower portion thereof so as to correspond to the buff, A second bed moving left and right to adjoin the form frame;
A second hydraulic cylinder installed inside the second bed and having a second hydraulic piston and a second actuating rod for moving the second bed to the left and right with respect to the buff and a second pneumatic piston interlocked with the second actuating rod, And second stroke actuators formed by second stroke generators moving the second bed in the left and right direction by interlocking with the second actuating rod of the second hydraulic cylinder so that the front face of the pneumatic piston is maintained at a constant pressure. And a polishing regulator for moving the driving part.
The method according to claim 1,
The first stroke moving portion includes a first rotating coupling portion provided adjacent to the base unit and having a rotating plate rotatably installed in the center cavity thereof; A first fixing block installed on the rotary shaft of the first rotary coupling portion to cause its rotation at a predetermined angle; A first LB block installed on the first fixed block to enable the first bed to move back and forth; A first bed fixed on the first ELM block and composed of a main body and movable back and forth; A first hydraulic piston which is located outside the first bed and which is caused to move back and forth so that hydraulic pressure is applied or recovered therein and a first operating rod connected to the first hydraulic piston and operating in accordance with the back- A first hydraulic cylinder constituted by the first hydraulic cylinder; A first pneumatic piston located in the first bed and interlocked with the first operating rod so as to enable the backward movement of the first bed in accordance with the back and forth movement of the first hydraulic cylinder, A first air cylinder for holding the first air cylinder; And a first stopper having one end fixed to the front surface of the first air cylinder and the other end fixed to the first fixed block and restricting the back and forth movement of the first stroke cylinder, .
The method of claim 2,
The first stroke generating portion is configured such that the first operating rod connected to the first hydraulic piston of the first hydraulic cylinder extends to the inside of the first stroke generating portion and is connected to the first operating rod by the first connecting portion, And the first air cylinder and the first hydraulic cylinder are connected to the piston so that the first and second hydraulic cylinders can be moved forward and backward by interlocking the first and second hydraulic cylinders so as to function as a buffer against the buffing pressure applied to the mold.
The method of claim 2,
The first rotation coupling unit includes a cylindrical first wall portion fixed on the base by a first coupling ring, a first rotation plate rotatably disposed in the hollow of the first wall portion, And the first fixing bolts are installed on one side of the wall portion of the container.
The method of claim 2,
Wherein the first fixing block is engaged with the rotation axis of the first rotation axis or rotates together with the first rotation axis.
The method according to claim 1,
The second stroke movement part includes a second rotation coupling part provided on the upper surface of the first bed and having a rotation axis rotatably installed in the cavity at the center thereof; A second fixing block installed on the rotary shaft of the second rotary coupling portion to cause its rotation at a predetermined angle; A second LB block installed on the second fixed block to enable the second bed to move back and forth; A second bed fixed on the second ELM block and configured to be movable from side to side; And a second operating rod connected to the second hydraulic piston and operated in accordance with the left and right movement of the second hydraulic piston, the second hydraulic piston being located outside the second bed and being caused to move left and right by applying or withdrawing hydraulic pressure to the front and rear of the second bed. And a second hydraulic piston located in the second bed and interlocking with the second operating rod, and the second hydraulic piston is maintained at a predetermined air pressure so as to allow the second bed to move left and right. 2 air cylinders; And a second stopper having one end fixed to the front surface of the second air cylinder and the other end fixed to the second fixed block to restrict the lateral movement of the second stroke cylinder. .
The method of claim 6,
The second stroke generating portion is configured such that the second actuating rod connected to the second hydraulic piston of the second hydraulic cylinder extends into the second stroke generating portion and is connected to the second pneumatic load by the second connecting portion and the second pneumatic rod is connected to the second pneumatic rod Wherein the first air cylinder and the second hydraulic cylinder are coupled to the piston so that the second bed can be moved right and left by interlocking the second air cylinder and the second hydraulic cylinder to function as a buffer against the buffing pressure applied to the mold.
The method of claim 6,
The second rotating coupling portion includes a cylindrical second wall portion fixed to the upper surface of the first bed by a second coupling ring, a second rotating plate rotatably positioned in the hollow of the second wall portion, And second fixing bolts provided on one side of the wall for fixing the inner surface of the container. The method of claim 6,
Wherein the second fixing block is coupled to the rotation axis of the second rotation axis or rotates together with the second rotation axis.
The method of claim 6,
Characterized in that the buff is fixed to the buffing wheel in a diamond-like structure.

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