KR200276213Y1 - Support holder device for grinding machine - Google Patents

Abstract

A secondary holder device for a grinding machine is disclosed, which is capable of processing a small and high quality workpiece by not only being restricted by a place but also preventing the shaking and slip of the workpiece by synchronizing the main shaft and the tailstock shaft. Holder device according to the present invention has a bed portion fixed to the transfer table top of the grinding machine. On the upper surface of the bed portion, the synchronization portion, the main shaft portion and the tailstock portion are disposed. The third synchronization unit is mounted to the first and second support members disposed at predetermined intervals on the upper surface of the bed, and rotates the synchronization shaft and the synchronization shaft on which the first, second and third rotation pulleys are mounted on the outer circumferential surface. And a drive motor having a fourth rotating pulley connected by the pulley and the first power transmission belt. The main shaft portion includes a main shaft support and a main shaft housing that is slidably disposed on the main shaft support and defines a main shaft in which the main shaft center is mounted. At this time. The main shaft is equipped with a fifth rotating pulley connected by the first rotating pulley and the second power transmission belt. On the other hand, the tailstock portion is slidably arranged on the upper end of the tailstock support and the tailstock support and has a tailstock housing defining a tailstock shaft equipped with a tailstock center facing the spindle center. At this time, the tailstock shaft is equipped with a sixth rotation pulley connected by the second rotation pulley and the third power transmission belt.

Description

Support holder device for grinding machine {Support holder device for grinding machine}

The present invention relates to an auxiliary holder device for a grinding machine, and more particularly, it can be installed on a transfer table of a conventional grinding machine, and is also restricted by a place by rotating the main shaft and the tailstock shaft at the same speed ratio by using one driving motor. In addition, the present invention relates to an auxiliary holder device for a grinding machine capable of processing high quality micro work pieces by preventing the shaking and slip of the work by synchronizing the main shaft and the tailstock shaft.

Generally, grinding machines are used in such fields as tool grinding, cylindrical grinding, planar grinding, internal grinding and high precision tool grinding. The types of grinding machines used for grinding include tool grinding machines, cylindrical grinding machines, planar grinding machines, and internal grinding machines. Here, the existing grinding machine is ground by the grinding wheel and the spindle, so the shaking and slip of the product occur, causing the problem of deterioration of the required precision and surface roughness. There was a problem.

On the other hand, with the recent development of high-tech fields such as electronics and semiconductors, various high-tech machines are becoming smaller and lighter. Therefore, in order to meet these demands, parts are also miniaturized and ultra precision machining must be performed. In order to achieve such a small and precise machining, ultra-precision devices and ultra-precision tools have to be developed first, and various methods for manufacturing ultra-precision tools have been proposed, but considering the economical and efficient aspects, grinding processing methods This is known to be the best.

The general purpose grinder is mainly used for general machining or tools. However, these general grinding devices are convenient to use because they are manufactured for various processing purposes, but when the product is very small, it is difficult to install them, and vibration and vibration occur during processing, especially the tailstock part supporting the product rotates in the same way. Since it does not rotate by water, friction occurs. As a result, there is a problem that the surface of the workpiece is damaged, the surface of the product is scratched due to the intermittent stop phenomenon, the pattern is formed, the roughness is bad, and the processing is poor.

The present invention is devised to solve the conventional problems as described above, the object of the present invention is not only can be installed on the bed of a general machine tool, but also by rotating the main shaft and tailstock shaft at the same speed ratio by using a single drive motor, The present invention provides an auxiliary holder device for a grinding machine that can process high quality micro work pieces by not only being restricted by a place but also preventing the shaking and slip of the work by synchronizing the main shaft and the tailstock shaft.

1 is a perspective view showing an auxiliary holder device for a grinding machine according to the present invention,

FIG. 2 is a front view of the auxiliary holder device for the grinding machine shown in FIG. 1, and

3 is a plan view of the auxiliary holder device for a grinding machine shown in FIG.

Explanation of symbols on the main parts of the drawing

100: auxiliary holder device 110: bed part

120: synchronizer 122a: first support

122b: second support 124: synchronous shaft

126: drive motor 130: spindle

132: spindle support 134: dovetail groove

136: pinion 138: first transfer lever

140: spindle housing 142: spindle

148: dovetail protrusion 150: tailstock

152: tailstock support 154: LM guide rail

158: conveying lever bracket 160: tailstock housing

162: tailstock shaft 166: second feed lever

168: LM Guide Block

In order to achieve the object of the present invention as described above, the present invention,

Fixed jaws are formed on both sides to be fixed by a tie (T) groove and a tie (T) groove bolt formed in a transfer table of a conventional grinding machine, and a bed part equipped with a reference pin for precise angular grinding of a workpiece in the center thereof. ;

A first support and a second support disposed on the upper surface of the bed portion at predetermined intervals, a synchronous axis pivotally mounted to the first support and the second support, one end extending outward of the first support, and A synchronizer having a first and second rotary pulleys mounted on one end and the other end, a third rotary pulley, and a driving motor having a fourth rotary pulley connected by the third rotary pulley and the first power transmission belt. ;

A main shaft support fixedly disposed on one side of the first support, a main shaft housing slidably disposed above the main support, and a main shaft housing defining a main shaft in which the main shaft center is mounted; A main shaft portion having a fifth rotary pulley connected by two power transmission belts; And

A tailstock housing that is fixedly disposed between the second support and the driving motor, and a tailstock housing that is slidably disposed on an upper part of the tailstock support and has a tailstock center in which the tailstock center faces the main shaft center; Provided is an auxiliary holder device for a grinding machine comprising a tailstock portion attached to the tailstock shaft and having a sixth rotation pulley connected by a second rotational pulley and a third power transmission belt.

As described above, according to the present invention, not only can be installed on the bed of a general machine tool but also rotates the main shaft and the tailstock shaft at the same speed ratio by using a single drive motor, so that the main shaft and the tailstock are not restricted in place. Synchronization of the large axis prevents the shaking and slipping of the workpiece, thereby processing high-quality miniature workpieces.

Hereinafter, an auxiliary holder device for a grinding machine according to an embodiment of the present invention with reference to the accompanying drawings.

1 is a perspective view showing an auxiliary holder device for a grinding machine according to the present invention, Figure 2 is a front view of the auxiliary holder device for a grinding machine shown in Figure 1, and Figure 3 is a plan view of the auxiliary holder device for a grinding machine shown in Figure 1 to be.

1 and 2, the auxiliary holder device 100 for a grinding machine according to the present invention is a grinding machine (not shown) equipped with a conventional grinding wheel 10 for driving by receiving the rotational force of the rotary motor 12 Bed portion 110 disposed on the transfer surface (not shown) and the synchronization portion 120, the main shaft portion 130 and the tail stock 150 are mounted on the upper surface of the bed 110 do.

First, the bed 110 has stepped fixing jaw 112 formed at both ends thereof so as to be fixed by a tie (T) groove and a tie (T) groove bolt formed on the transfer table of the grinding machine. In the center of the bed 110, a reference pin 114 for precise angular grinding of the workpiece is mounted.

The synchronizer 120 includes a first support 122a, a second support 122b, a synchronization shaft 124, and a driving motor 126. The first support 122a and the second support 122b are disposed at predetermined intervals on the upper surface of the bed part 110, and the synchronization shaft 124 is disposed on the first support 122a and the second support 122b. It is pivotally mounted. At this time, one end of the synchronous shaft 124 is extended to the outside of the first support (122a) is mounted to the first rotary pulley (P1), the other end of the second support (122b) adjacent to the other end of the synchronous shaft (124) The second rotary pulley P2 and the third rotary pulley P3 are mounted, respectively.

On the other hand, the drive motor 126 is mounted to the bed portion 110 on the back of the second support (122b). The drive motor 126 is equipped with a gear box 127 and the fourth rotary pulley (P4) capable of converting the rotational speed. The fourth rotary pulley P4 formed as described above is connected to the third rotary pulley P3 by the first power transmission belt V1. Preferably, the first rotary pulley P1 and the second rotary pulley P2 adopt a three-stage high tensile pulley.

The main shaft unit 130 includes a main shaft support 132 fixedly disposed on one side of the first support 122a and a main shaft housing 140 slidably disposed on an upper surface of the main support 132. The dovetail groove 134 is formed on the upper surface of the main shaft support 132, the compression spring 137 is disposed inside, the pinion 136 is disposed on one side of the compression spring 137. At this time, the pinion 136 is exposed to the upper portion of the spindle support 132, the pinion 136 is mounted with a first conveying lever 138 extending to one side of the spindle support (132). On the other hand, the main shaft housing 140 defines a main shaft 142 horizontally disposed therein. One end of the main shaft 142 is equipped with a fifth rotary pulley P5 connected to the first rotary pulley P1 by the second power transmission belt V2, and the other end of the main shaft 142 is the main shaft center 144. ) Is mounted. At this time, the lower portion of the main shaft housing 140 is engaged with the pinion 136 and a rack 146 for selectively compressing the compression spring 137 is formed, one side of the rack 146 corresponding to the double tail groove 134 Double tail protrusion 148 is formed.

Preferably, the first tension pulley Q1 may be mounted at one end of the main shaft support 132 to adjust the tension of the second power transmission belt V2. More preferably, the fifth rotary pulley P5 adopts a three-stage high tensile pulley similarly to the first rotary pulley P1 and the second rotary pulley P2.

Meanwhile, the tail stock 150 is slid on the top surface of the tail stock support 152 and the tail stock support 152 fixedly disposed on the bed 110 between the second support 122b and the drive motor 126. The tailstock housing 160 is arranged to be possible. On the upper surface of the tail stock support 152, an LM guide rail 154 is formed. Then, one end of the tail stock supporter 152 is mounted with the transfer lever bracket 158 which is formed with a female hole on the inner circumferential surface of the feed hole 156. Meanwhile, the tailstock housing 160 defines the tailstock shaft 162 disposed in parallel with the main shaft 142. One end of the tailstock shaft 162 is equipped with the tailstock center 164 facing the main shaft center 144, the other end is connected by the second rotary pulley (P2) and the third power transmission belt (V3). 6 Rotating pulley (P6) is mounted. At this time, the second tension pulley (Q2) is disposed to adjust the tension of the third power transmission belt (V3) adjacent to the sixth rotation pulley (P6), one end of the tailstock housing 160, the transfer hole ( The second transfer lever 166 extends to the outside of the tail stock housing 160 while the second transfer lever 166 is formed on the circumferential surface and has a male thread corresponding to the female thread of the transfer hole 156 on the circumferential surface thereof. The LM guide block 168 corresponding to) is formed.

Hereinafter, the operation state of the auxiliary holder device 100 for a grinding machine formed as described above will be briefly described.

First, in order to use the auxiliary holder device 100 for a grinding machine according to the present invention, an operator first fixes the holder device 100 on a transfer table of a conventional grinding machine. When the holder device 100 is fixed in this way, the workpiece to be processed is mounted between the main shaft portion 130 and the tail stock portion 150.

In order to mount the workpiece between the main shaft 130 and the tailstock 150, the tailstock housing 160 is selectively transported in accordance with the length of the workpiece. At this time, when the operator rotates the second conveying lever 168 mounted through the conveying lever bracket 158 to one side, the tail stock housing 160 is conveyed by the LM guide block 168 and the LM guide rail 154. do. When the tailstock housing 160 is transferred in this manner, the other end of the workpiece is brought into close contact with the spindle center 144 under one state of contact with the tailstock center 164. Mount the workpiece between the). At this time, in order to bring the other end of the workpiece into close contact with the spindle center 144, the operator rotates the first feed lever 138 formed on the spindle support 132 in a counterclockwise direction, so that the first feed lever 138 is the pinion 136. The pinion 136 rotates the rack 146 linearly. At this time, the rack 146 compresses the compression spring 137 disposed on one side of the pinion 136 while conveying to one side, and the main shaft housing 140 has one side by the dovetail groove 134 and the dovetail protrusion 148. Is transferred to. At this time, when the operator places the first transfer lever 138 under the state in which the other end of the workpiece is disposed adjacent to the spindle center 144, the compression spring 137 pushes the rack 146, and as a result, the spindle housing 140. And the main shaft center 144 is transferred to the tailstock portion 150 side along the dovetail groove 134 and the dovetail protrusion 148 to be in close contact with the other end of the workpiece.

When the workpiece is mounted between the main shaft unit 130 and the tailstock unit 150, the operator applies power to the drive motor 126 to rotate the drive motor 126. The rotating drive motor 126 rotates the fourth rotary pulley P4, and the fourth rotary pulley P4 rotates the third rotary pulley P3 connected by the first power transmission belt V1. As a result, the synchronous shaft 124 on which the first rotary pulley P1 and the second rotary pulley P2 are mounted rotates. As described above, the first rotary pulley P1 and the second rotary pulley P2 rotating together with the synchronous shaft 124 are again connected by the second power transmission belt V2 and the third power transmission belt V3. The rotary pulley P5 and the sixth rotary pulley P6 are rotated. As the fifth rotary pulley P5 and the sixth rotary pulley P6 rotate in this manner, the main shaft 142 and the tailstock shaft 162 connected to the fifth rotary pulley P5 and the sixth rotary pulley P6 rotate. As a result, the workpiece mounted between the spindle center 144 and the tailstock center 164 is rotated.

As described above, when the workpiece is rotated, the operator applies power to the grinding machine to perform grinding work on the workpiece while rotating while reciprocating the grinding wheel 10 and the transfer table connected to the rotary motor 12.

As described above, the auxiliary holder device 100 for a grinding machine according to the present invention is caused to occur in the conventional workpiece because the main shaft 142 and the tailstock shaft 162 is rotated at the same rotation speed by being synchronized by the synchronous shaft 124 The shaking phenomenon and the slip phenomenon can be prevented, and the main shaft 142 and the tailstock shaft 162 can be rotated using one driving motor 126, which has the advantage of increasing economic efficiency and efficiency.

In addition, by connecting the drive motor 126, the synchronous shaft 124, the main shaft 142 and the tailstock shaft 162 with a plurality of pulleys and a power transmission belt, the vibration of the drive motor 126 is minimized, compact structure By having the advantage, it can be easily mounted on a bed of a general machine tool.

Meanwhile, a dovetail groove 134 and a dovetail protrusion 148 are formed between the main shaft support 132 and the main shaft housing 140 of the main shaft unit 130, and the tail stock support 152 of the tail stock unit 150 is formed. By forming the LM guide rail 154 and the LM guide block 168 between the tailstock housing 160, the main shaft housing 140 and the tailstock housing 150 can be precisely linear movement and both centers can be matched. It is possible to mount the micro components that are difficult to fix on the conventional chuck, so that the semiconductor parts mold and high precision parts can be ground, the circular knife for cigarette cutting, the mobile phone LCD screen glass cutting tool, the ultra-precision lens processing and the sub-micron sub precision processing can be realized. There is an advantage to this.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the present invention described in the utility model registration claims. It will be appreciated.

Claims (5)

Fixing jaws 112 are formed on both sides to be fixed by a tie (T) groove and a tie (T) groove bolt formed in a transfer table of a conventional grinding machine, and a reference pin 114 for precise angular grinding of the workpiece is formed at the center thereof. Bed unit 110 is mounted; The first support 122a and the second support 122b and the first support 122a and the second support 122b that are disposed at predetermined intervals on the upper surface of the bed 110 may be pivotable. And a first end of which is mounted to the synchronous shaft 124 extending to the outside of the first support 122a, the first rotating pulley P1 and the second rotation mounted adjacent to one end and the other end of the synchronous shaft 124. A driving motor 126 having a pulley P2, a third rotating pulley P3, and a fourth rotating pulley P4 connected by the third rotating pulley P3 and the first power transmission belt V1. A synchronizer 120; A main shaft support 132 fixedly disposed on one side bed of the first support 122a, and a main shaft 142 which is slidably disposed above the main support 132, and has a main shaft center 144 mounted therein. Spindle housing having a main shaft housing 140 and a fifth rotary pulley P5 mounted to the main shaft 142 and connected by the first rotary pulley P1 and the second power transmission belt V2. 130; And The tail stock support 152 fixedly disposed between the second support 122b and the driving motor 126, and is slidably disposed on an upper portion of the tail stock support 152, and the main shaft center 144 therein. The tailstock housing 160 for limiting the tailstock shaft 162 in which the tailstock center 164 is mounted and the tailstock shaft 162 are mounted to the second rotational pulley P2 and the third power transmission. Auxiliary holder device for a grinding machine, characterized in that the tailstock having a sixth rotary pulley (P6) connected by a belt (V3) (150). The method of claim 1, wherein the first rotating pulley (P1), the second rotating pulley (P2), the fifth rotating pulley (P5) and the sixth rotating pulley (P6) is characterized in that the three-stage high-tensile pulley. Auxiliary holder device for grinding machine. According to claim 1, The dovetail groove 134 is formed on the upper surface of the main shaft support 132, the compression spring 137 is disposed inside, the pinion 136 on one side of the compression spring 137 Is disposed, the pinion 136 is equipped with a first conveying lever 138 extending to one side of the spindle support 132, on one side of the spindle housing 140 is engaged with the pinion 136 A rack 146 for selectively compressing the compression spring 137 is formed, the one side of the rack 146 for the grinding machine, characterized in that the dovetail protrusion 148 corresponding to the dovetail groove 134 is formed Auxiliary holder device. According to claim 1, One end of the main shaft support 132 is equipped with a first tension pulley (Q1) to adjust the tension of the second power transmission belt (V2), one side of the tail stock housing (160) The auxiliary holder device for a grinding machine, characterized in that the second tension pulley (Q2) is mounted to adjust the tension of the third power transmission belt (V3). The conveyance lever bracket of claim 1, wherein an L guide rail 154 is formed on an upper surface of the tail stock supporter 152, and a feed hole 156 having a female thread formed in one end of the tail stock support 152. A second transfer lever 166 having a male thread corresponding to the female thread is formed on the circumferential surface of the tailstock housing 160 through the circumferential surface of the tailstock housing 160. An auxiliary holder for a grinder, which extends to the outside of the tailstock housing 160 and has an LM guide block 168 corresponding to the LM guide rail 154 on a lower surface of the tailstock housing 160. Device.