KR102617688B1 - Tail Stock - Google Patents

Abstract

In the present invention, when the operation unit is moved along the second moving part with the fixing part partially released, the position of the second sensing unit connected to the connection unit moves to a position corresponding to the position to which the operation unit was moved along the first moving unit. When the position of the second sensing part needs to be adjusted depending on the processing material, the worker can conveniently adjust the position of the second moving part to increase work efficiency, reduce the time the worker spends on positioning, and reduce non-processing time. The purpose is to provide a tailstock to increase product productivity by minimizing

Description

Tail stock {Tail Stock}

The present invention relates to a tailstock, and more specifically, when it is necessary to adjust the position of the second sensing unit depending on the processing material, if the fixing part is partially released and the operation unit is moved along the second moving part, the second sensing unit connected to the connection part is moved. By moving the position of the part along the first moving part to a position corresponding to the position to which the operation part was moved, it is convenient for the operator to adjust the position of the second moving part, thereby increasing work efficiency and reducing the time required for position adjustment, thereby reducing non-processing. This relates to a tailstock for minimizing time and preventing malfunction by adjusting the second sensing unit to be located at the correct position.

In general, machine tools refer to machines used to process metal/non-metal workpieces into desired shapes and dimensions using appropriate tools using various cutting or non-cutting processing methods.

Various types of machine tools, including turning centers, vertical/horizontal machining centers, door-type machining centers, Swiss turns, electric discharge machines, horizontal NC boring machines, CNC lathes, and complex processing machines, are widely available in various industrial sites to suit the purpose of the work. It is being used.

Among machine tools, a complex machining machine refers to a turning center equipped with a multi-functional automatic tool changer (ATC) and tool magazine that performs various machining types such as turning, drilling, tapping, and milling. When an operator loads or exchanges tools required for processing in a multi-processing machine, he or she manually installs the tools into the tool magazine.

In general, various types of machine tools currently in use are equipped with operating panels that apply numerical control (NC) or computerized numerical control (CNC) technology. This operating panel is equipped with various function switches or buttons and a monitor.

In addition, a machine tool includes a table on which the workpiece, which is the workpiece, is seated and transported for processing the workpiece, a pallet to prepare the workpiece before processing, a spindle on which the tool or workpiece is combined and rotated, a tailstock to support the workpiece, etc. during processing, and a room. Equipped with a Jingu, etc.

In general, in machine tools, tables, tool rests, spindles, tailstocks, vibration stoppers, etc. are equipped with transfer units that transfer along a transfer axis to perform various machining.

Additionally, machine tools generally use multiple tools for various processing, and a tool magazine or turret is used as a tool storage location to store and store multiple tools.

These machine tools use multiple tools for various processing, and a tool magazine is used as a tool storage location to store multiple tools.

In addition, machine tools are generally equipped with an automatic tool changer (ATC, Automatic Tool Changer) to withdraw or store a specific tool from a tool magazine according to a command from a numerical control unit in order to improve the productivity of the machine tool.

Additionally, machine tools are generally equipped with an automatic pallet changer (APC) to minimize non-processing time. The automatic pallet changer (APC) automatically exchanges pallets between the workpiece machining area and the workpiece installation area. A workpiece can be mounted on a pallet.

Additionally, machine tools are generally classified into turning centers and machining centers depending on the processing method.

In general, a machine tool that can implement various machining processes such as turning, milling, drilling, tapping, and boring in one workpiece step is called a multi-task center or integrated mill turn center. Using these complex processing machines can reduce lead time, number of parts, workload, and work space, as well as improve productivity and precision.

Referring to Figures 1 and 2, the turning machine includes a chuck (3) for clamping the workpiece (2) and a tailstock (1) for fixing the free end of the workpiece (2) clamped to the chuck (3). It can be included.

The tailstock 1 is movably disposed within the turning center to support the free end of the relatively long workpiece 2 and prevent sagging or buckling of the workpiece 2 to improve processing quality.

Specifically, the tailstock 1 consists of a body portion 11 and a position adjusting portion 120, and the body portion 11 includes a quill 11 that fixes the free end of the processed material 2 and a quill 11. It includes a dog 12 that moves forward at a distance corresponding to this forward distance, and the position adjusting unit 120 checks the position of the variable quality 11 according to the processing material 2 and moves the processing material 2. To check whether the is supported, a sensor is installed at a location corresponding to the position of the dog.

That is, as shown in Figures 1 and 2, depending on the mounted workpiece 2, the position of the quill 11 supporting the workpiece 2 may be changed to the position of line A as shown in Figure 1. 2, it may be changed to the position of line B, and when the position of the quill 11 changes depending on the processed material 2, the position of the dog 12 changes in response to the changed position of the quill 11. is determined, and the sensor must be adjusted so that the sensor is located in a position corresponding to the determined position of the dog 12.

In the conventional tailstock 100, two or more bolts must be released (or bolts tightened to combine) to adjust the position sensor, and two or more bolts to be released (or bolts to be combined) require the worker to use a wrench from the bottom up. The structure of the position adjusting unit 120 is complex because the bolt must be released (or tightened and combined) using , Especially in the case of small and medium-sized equipment, the size of the tailstock itself is small, so the space where the wrench can access to release the bolt from underneath (or tighten the bolt) becomes very narrow, making the operator's work quite inconvenient. As a result, there was a problem that non-processing time increased.

In addition, the conventional tailstock 100 has a complicated structure of the position adjustment unit 120, so there is a risk of injury to the worker from surrounding structures in the process of removing the bolt (or tightening the bolt) by using a wrench from the bottom. There was a problem that it was high and threatened the safety of workers.

In addition, the conventional tailstock 100 requires the operator to sequentially release (or tighten and combine) two or more bolts in the process of adjusting the position of the sensor, so the process of first releasing one bolt (or combining by tightening the bolt) In order to prevent the position of the sensor from deviating from the correct position due to the force applied (rotating force in the process of tightening the bolt), the worker had to use one hand to position the sensor.

Republic of Korea Patent Publication No. 10-2018-0093562

The present invention is to solve the above problems, and the purpose of the present invention is to adjust the position of the second sensing unit according to the processing material by moving the operation unit along the second moving part with the fixing part partially released. The position of the second sensing unit connected to the connection unit moves to a position corresponding to the position to which the operation unit moved along the first moving unit, thereby increasing the operator's efficiency in positioning the second moving unit and reducing the time required for positioning. It increases productivity by minimizing non-processing time, and provides a tailstock to prevent malfunction by adjusting the second sensing unit to be located in the correct position.

In order to achieve the object of the present invention, a tailstock according to the present invention includes a housing portion and an adjustment portion installed on the housing portion, the adjustment portion comprising: a body portion; a first sensing portion installed on the body portion; a connection part movably installed on the body; and a second sensing unit installed in the connection unit to face the first sensing unit while being spaced apart in a horizontal direction.

Additionally, in another preferred embodiment of the tailstock according to the present invention, an operation unit installed on the body opposite to the connection unit to adjust the position of the second sensing unit; And A fixing part that combines the connection part, the body part, and the manipulation part; It further includes, and as the position of the manipulation unit is adjusted, the position of the second sensing unit with respect to the first sensing unit may be adjusted.

Additionally, in another preferred embodiment of the tailstock according to the present invention, the body portion includes a coupling portion having a fastening hole formed through it and coupled to the housing portion; a receiving portion having an insertion hole formed through the coupling portion and extending in the width direction from one vertical end of the coupling portion; and an adjusting portion extending in a vertical direction from an end of one side in the width direction of the receiving portion so as to face and be spaced apart from the engaging portion.

In addition, in another preferred embodiment of the tailstock according to the present invention, the receiving part includes a first moving part formed to accommodate the second sensing part and extend horizontally through the second sensing part so that the second sensing part can be moved together with the connecting part; may include.

In addition, in another preferred embodiment of the tailstock according to the present invention, the adjusting part corresponds to the first moving part, accommodates the fixing part, and extends in the horizontal direction to enable the fixing part to move. may include;

Additionally, in another preferred embodiment of the tailstock according to the present invention, the connection portion includes: a main body portion having a through hole formed through the penetrating portion to accommodate the second sensing portion, and extending in the width direction to correspond to the receiving portion; and an extension part that has a fastening hole formed through it to accommodate the fixing part and extends to be bent in a vertical direction from one side of the main body part in the width direction.

In addition, in another preferred embodiment of the tailstock according to the present invention, the operating unit includes: a support portion that has a fixing hole formed through it to accommodate the fixing part and extends in the vertical direction to correspond to the adjusting part; and a bent portion extending from one side of the support portion in the vertical direction to be bent in the width direction.

In addition, in another preferred embodiment of the tailstock according to the present invention, the main body portion of the connecting portion is adjacent to the receiving portion, the extension portion of the connecting portion is installed adjacent to the adjusting portion, and the support portion of the operating portion is disposed between the adjusting portions. It is opposite to the extension part in the width direction, and the bent part of the operation part is installed adjacent to the tip of the adjustment part, and the fixing part can be fastened by sequentially passing through the fastening hole, the second moving part, and the fixing hole. there is.

Additionally, in another preferred embodiment of the tailstock according to the present invention, when it is necessary to adjust the position of the second sensing unit, if the fixing part is partially released and the operation unit is moved along the second moving part, the second sensor connected to the connection part The position of the sensing unit may move to a position corresponding to the position to which the manipulation unit moves along the first moving unit.

The tailstock according to the present invention can be released (or combined) using one fixing part so that the operator can easily adjust the structure of the adjustment part for adjusting the position of the second sensing unit, and the operator can check the fixing part from the front of the worker. Work convenience and efficiency can be improved by allowing the work to be released (or combined) of the fixing part in a safe state. In particular, even when the size of the tailstock itself is small, such as in small and medium-sized equipment, the fixing part can be released (or combined) from the front facing the operator using a wrench, etc., so even in tight spaces, the second The position of the sensing part can be conveniently adjusted, which has the effect of minimizing non-processing time and increasing productivity.

In addition, the tailstock according to the present invention is equipped with an adjuster so that the operator can adjust the position of the second sensing unit from the front of the worker, so that the operator can directly check the adjuster and adjust it by releasing (or combining) the fixing part using a wrench, etc. Therefore, it is effective in protecting workers by preventing them from sustaining injuries such as scratching their hands by surrounding structures.

In addition, the tailstock according to the present invention does not require the operator to sequentially release (or tighten the bolts to) two or more bolts in order to adjust the position of the second sensing unit like a conventional tailstock, but can be used again after releasing one fixing part. Since one fixing part can be combined, the second sensing part can be firmly fixed in the correct position, preventing the position of the second sensing part from changing due to vibration occurring during processing even after several times of processing. Accordingly, by reducing malfunction of the tailstock, it is possible to improve product quality through precise material processing.

Moreover, since the tailstock according to the present invention is installed so that the bent portion is adjacent to the tip of the adjusting portion, the operating portion is prevented from being rotated by the rotational force generated in the process of fastening the fixed portion through the fastening hole, the second moving portion, and the fixing hole in order. To prevent this, the moment the control unit is rotated, the bent part is fixed in contact with the tip of the control unit, so the operator does not need to separately hold the control unit by hand in the process of adjusting the position of the second sensing unit. Therefore, the operator can conveniently release the fixing unit. The tightening and fastening operation can be performed repeatedly, which has the effect of reducing operator convenience and working time.

Figure 1 shows a conventional tailstock.
Figure 2 shows a conventional tailstock.
Figure 3 shows a tailstock according to an embodiment of the present invention.
Figure 4 shows an exploded perspective view of the tailstock adjustment unit 20 according to an embodiment of the present invention.
Figure 5 shows a cross-sectional view of portion CC of Figure 1.
Figure 6 shows the operating principle of the tailstock adjustment unit according to an embodiment of the present invention.
Figure 7 shows the operating principle of the tailstock adjustment unit according to an embodiment of the present invention.
Figure 8 shows the tailstock adjustment unit 20 according to another embodiment of the present invention.

Hereinafter, the tailstock according to an embodiment of the present invention will be described in detail with reference to the drawings. The embodiments introduced below are provided as examples so that the idea of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. Also, in the drawings, the size and thickness of the device may be exaggerated for convenience. Like reference numerals refer to like elements throughout the specification.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. These embodiments only serve to ensure that the disclosure of the present invention is complete, and those skilled in the art It is provided to fully inform the person of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification. The sizes and relative sizes of layers and regions in the drawings may be exaggerated for clarity of explanation.

The terminology used herein is for describing embodiments and is therefore not intended to limit the invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprise” and/or “comprising” refers to the presence of one or more other components, steps, operations and/or elements. or does not rule out addition.

Figure 1 shows a conventional tailstock, and Figure 2 shows a conventional tailstock.

Figure 3 shows a tailstock according to an embodiment of the present invention, and Figure 4 shows an exploded perspective view of the adjusting part of the tailstock according to an embodiment of the present invention.

Figure 5 shows a cross-sectional view of portion C-C of Figure 1, and Figure 6 shows the operating principle of the tailstock adjustment unit according to an embodiment of the present invention.

Figure 7 shows the operating principle of the tailstock adjustment unit according to one embodiment of the present invention, and Figure 8 shows the tailstock adjustment unit according to another embodiment of the present invention.

The definitions of terms used below are as follows. “Horizontal direction” refers to the horizontal direction in the same member, that is, the “Width direction” means the vertical direction in the same member while being perpendicular to the horizontal and vertical directions. In addition, upward (upper) refers to the upward direction in the "vertical direction", that is, the direction toward the top of the Y axis in Figure 4, and downward (lower) refers to the downward direction in the "vertical direction", that is, downward to the Y axis in Figure 4. It means the direction it is facing.

The tailstock 1 according to an embodiment of the present invention will be described with reference to FIGS. 3 to 7. As shown in Figures 3 and 4, the tailstock 1 according to an embodiment of the present invention includes a housing part 10 and an adjustment part 20.

The housing portion 10 forms the external shape of the tailstock 1.

As shown in FIG. 3, the housing portion 10 includes a quail 11 and a dog 12.

The quill (11) serves to support the free end of the processed material (2). Specifically, one side of the relatively long workpiece 2 is clamped and fixed to the chuck 3, and the other free end of the workpiece 2 is supported by the quill 11, thereby preventing the workpiece 2 from sagging. The processing quality can be improved by preventing buckling phenomenon.

The dog 12 moves forward at a distance corresponding to the distance the quill 11 moves forward. The dog 12 can check the position of the quill 11, which moves variably according to the length of the workpiece 2. It plays a role that can be played. In addition, it is possible to check whether the workpiece 2 is accurately supported with the second sensing unit 23, which will be described later.

Referring to FIGS. 4 and 5 , the adjusting unit 20 includes a body unit 21, a first sensing unit 22, a connecting unit 24, and a second sensing unit 23.

The adjusting unit 20 checks the position of the dog 12, which is determined to correspond to the position of the quill 11 that changes depending on the processing material 2, and adjusts the second sensing unit 23 to correspond to the position of the dog 12. It serves to adjust the position (that is, downward in the vertical direction (Z) with respect to the dog 12 in FIG. 3).

One side of the body portion 21 is coupled to the housing portion 10 to connect the adjustment portion 20 to the housing portion 10, accommodates the first sensing portion 22 and the second sensing portion 23, and has a connecting portion. The second sensor (23) connected to (24) is allowed to move.

Referring to Figures 4 and 6 to 7, the first sensing part 22 is inserted into the body part 21 as a sensor to check whether the quill 11 has normally returned to the origin. and installed. Additionally, although not necessarily limited to this, the first sensing unit 22 may be comprised of a proximity sensor.

Once the first sensing unit 22 is mounted on the body unit 21, it is fixed in its installed position, so there is no need to adjust its position again.

Referring to FIGS. 4 and 6 to 7, the second sensing unit 23 is a sensor for checking whether the quill 11 normally supports the workpiece 2 within the stroke, and the first sensing unit They are installed to face each other while being spaced apart from (22) in the horizontal direction (i.e., the X direction in FIG. 4). Additionally, although not necessarily limited to this, the second sensing unit 23 may be comprised of a proximity sensor.

The second sensing unit 23 is installed in the connection part 24, and the position of the second sensing unit 23 must be adjusted according to the length of the processed material 2.

Referring to Figures 4 and 6 to 7, the connection part 24 is movably installed on the body part 32. That is, the connection part 24 is movably installed on the body part 32 and serves to move and adjust the position of the second sensing part 23 installed in the connection part 24.

The tailstock 1 according to an embodiment of the present invention may further include a manipulation unit 25 and a fixing unit 26.

The manipulation unit 25 is installed on the body 21 opposite the connection unit 24 to adjust the position of the second sensing unit 23. Specifically, the operation unit 25 is connected to the body unit 21, and the connection unit 24 is also connected to the body unit 21. Since the operation unit 25 and the connection unit 24 are installed to face each other, the operation unit 25 ), the position of the connection part 24 and the second sensing unit 23 installed on the connection part 24 are also adjusted.

That is, by adjusting the position of the manipulation unit 25, the position of the second sensing unit 23 with respect to the first sensing unit 22 can be adjusted.

Accordingly, the tailstock 1 according to the present invention can be released (or can be combined), and work convenience and efficiency can be improved by allowing the worker to release (or combine) the fixing part 26 while being able to check the fixing part 26 from the front of the worker.

In particular, even when the size of the tailstock itself is small, such as in small and medium-sized equipment, the fixing part 26 can be released (or combined) from the front facing the operator using a wrench, etc., so a wrench, etc. can be used even in tight spaces. As a result, the position of the second sensing unit 23 can be conveniently adjusted, thereby minimizing non-processing time and increasing productivity.

The fixing part 26 combines the connecting part 24, the body part 21, and the operating part 25.

Although not necessarily limited to this, the fixing part 26 is made of bolts and nuts and is screwed together, and if necessary, may be further equipped with a washer to increase the fastening force, and the fixing part 26 can be used with a T wrench or L wrench. It can be used to close or cancel.

Referring to FIG. 4, the body portion 21 of the tailstock 1 according to an embodiment of the present invention includes a coupling portion 211, a receiving portion 213, and an adjusting portion 216.

The coupling portion 211 is coupled to the housing portion 10 to couple the adjusting portion 20 to the housing portion 10. The coupling portion 211 has a fastening hole 212 formed through the coupling portion 211, and is coupled to the housing portion 10 through the fastening hole 212 using a fastening means such as a screw.

As shown in FIG. 4, the receiving part 213 includes an insertion hole 212 and a first moving part 215. The receiving portion 213 extends in the width direction from one vertical end of the coupling portion 211.

The insertion hole 212 is formed to penetrate the receiving portion 213, and the first sensing portion 22 is accommodated in the insertion hole 212 formed through the penetrating portion to install the first sensing portion 22 on the body portion 21. I do it.

The first moving part 215 is formed to extend horizontally through the receiving part 213, and the second sensing part 23 installed on the connecting part 24 is accommodated in the first moving part 215 to perform second sensing. The part 23 is formed to be movable along the first moving part.

As shown in FIG. 4, the adjusting portion 216 extends vertically from one end of the receiving portion 213 in the width direction and is installed to face and be spaced apart from the engaging portion 211. Additionally, the adjusting unit 216 includes a second moving unit 217.

The second moving part 217 is formed to extend horizontally through the adjusting part 216, and the fixing part 26 is accommodated in the second moving part 217, so that the fixing part 26 is the second moving part ( 217) is formed so that it can be moved along.

Referring to FIG. 4, the second moving part 217 is formed to correspond to the first moving part 215.

Specifically, the second moving part 217 is formed in the adjusting part 216 at a position corresponding to the position where the first moving part 215 is installed in the receiving part 213, and the second moving part 217 is It may be formed to have the same length as the horizontal length of the first moving part 215 or may be formed to be longer than the horizontal length of the first moving part 215.

That is, if the first moving part 215 is formed to correspond to the second moving part 217, and the position of the manipulation part 25 moving along the second moving part 217 is specified, the specified manipulation part 25 The second sensing unit 23 moving along the first moving unit 215 can be located at a position corresponding to .

Referring to FIGS. 4 and 6 to 7 , the connection portion 21 of the tailstock 1 according to an embodiment of the present invention includes a main body portion 241 and an extension portion 243.

The main body portion 241 has a through hole 242 and extends in the width direction to correspond to the receiving portion 213. The through hole 242 is formed to penetrate the main body 241 to accommodate the second sensing unit 23.

Although not necessarily limited to this, in Figure 4, the main body 241 is installed on the upper part of the receiving part 213, and the second sensing part 23 is inserted into the through hole 242 of the main body 241 to By being inserted into the first moving part 215 of the receiving part 213 while installed in the part 241, movement along the first moving part 215 is possible.

The extension portion 243 has a fastening hole 244 and extends from one side of the main body portion 241 to be bent in the vertical direction. The fastening hole 244 is formed through the extension part 243 to accommodate the fixing part 26.

Although not necessarily limited to this, in Figure 4, an extension part 243 is installed on the adjustment part 216, and the fixing part 26 is inserted into the fastening hole 244 of the extension part 243 and sequentially adjusts the adjustment part ( By being inserted into the second moving part 217 of 216, movement along the second moving part 217 becomes possible.

Accordingly, the tailstock 1 according to the present invention is equipped with an adjustment unit 120 so that the operator can adjust the position of the second sensing unit 23 from the front of the worker, so that the operator can directly check the adjustment unit 120 and use a wrench, etc. Since the fixing part can be adjusted by releasing (or combining) it can be used to protect workers by preventing them from getting injured, such as their hands being scratched by surrounding structures.

Referring to FIGS. 4 and 6 to 7 , the operating unit 25 of the tailstock 1 according to an embodiment of the present invention includes a support unit 251 and a bent unit 253.

The support part 251 has a fixing hole 252 and extends in the vertical direction to correspond to the adjusting part 216. The fixing hole 252 is formed through the support part 251 to accommodate the fixing part 26.

The fixing part 26 can be moved along the second moving part 217 by being inserted into the fastening hole 244 of the extension part 243 and sequentially inserted into the second moving part 217 of the adjusting part 216. It is installed properly, and is sequentially inserted into the fixing hole 252.

The bent portion 253 extends from one vertical side of the support portion 251 to be bent in the width direction. Additionally, the bent portion 253 of the operating portion 25 is installed adjacent to the tip of the adjusting portion 216.

Accordingly, the bent portion 253 can function as a nut when the fixing portion 26 is made of a bolt, and when the operator adjusts the second sensing portion 23, the bent portion 253 functions as a handle. Since the operator can conveniently control the second sensing unit 23 by holding the bent part 253.

In addition, since the bent portion 253 is installed adjacent to the tip of the adjusting portion 216, it sequentially penetrates the fixing portion 26 through the fastening hole 244, the second moving portion 217, and the fixing hole 252. In order to prevent the manipulation unit 25 from rotating due to the rotational force generated during the fastening process, the moment the manipulation unit 25 is rotated, the bent portion 253 is fixed while contacting the tip of the adjustment unit 216.

Accordingly, in the process of adjusting the position of the second sensing unit 23, there is no need for the operator to separately hold and adjust the operation unit 25 by hand, and the operator can conveniently repeat the work of releasing and fastening the fixing unit 26. This can reduce operator convenience and work time.

4 to 7, the main body portion 241 of the connecting portion 24 of the tailstock 1 according to an embodiment of the present invention is installed adjacent to the receiving portion 213, and the connecting portion 24 The extension part 243 is installed adjacent to the adjustment part 216.

In addition, the support portion 251 of the operating portion 25 is installed to face the extension portion 243 in the width direction with the adjusting portion 216 interposed therebetween, and the bent portion 253 of the operating portion 25 is aligned with the adjusting portion 216. It is installed adjacent to the tip of the.

And the fixing part 26 is fastened by sequentially passing through the fastening hole 244, the second moving part 217, and the fixing hole 252.

Accordingly, in the tailstock 1 according to the present invention, like the conventional tailstock 100, the operator sequentially releases two or more bolts (or tightens and combines the bolts) to adjust the position of the second sensing unit 23. Since there is no need to release one fixing part 26 and then reconnect one fixing part 26, the second sensing part 23 can be firmly fixed in the correct position, so that it can be maintained even after several times of processing. It is possible to prevent the position of the second sensing unit 23 from changing due to vibration occurring during processing, and thereby reduce malfunction of the tailstock 1, thereby improving product quality by processing the material precisely. .

As shown in Figures 1 and 2, depending on the mounted workpiece 2, the position of the quill 11 supporting the workpiece 2 may be changed to the position of line A as shown in Figure 1. , As shown in FIG. 2, it may be changed to the position of line B, and when the position of the quill 11 changes depending on the processed material 2, the position of the dog 12 changes in response to the changed position of the quill 11. It is necessary to adjust the second sensing unit 23 to be located at a position corresponding to the determined position of the dog 12.

In order to adjust the position of the second sensing unit 23 in this way, the tailstock 1 according to an embodiment of the present invention uses a fixing unit 26 when it is necessary to adjust the position of the second sensing unit 23. When partially released and the operation unit 25 is moved along the second moving unit 217, the position of the second sensing unit 23 connected to the connection unit 24 is changed so that the operation unit 25 moves along the first moving unit 215. You can move from one location to the corresponding location.

Accordingly, work convenience and efficiency can be increased by allowing the worker to release (or combine) the fixing part while being able to check the fixing part from the front of the worker.

In addition, the position of the second sensing unit 23 can be adjusted to the extent that the fixing unit 26 can move the second sensing unit by turning it about 180 degrees using a wrench, etc., without the need to completely release the fixing unit 26. (26) can be released.

Therefore, the operator can conveniently adjust the position of the second sensing unit 23 by holding the bent part 253 located in front of the operator while turning the fixing part 26 about 180 degrees using a wrench, etc. The adjustment time of the second sensing unit 23 can be reduced, thereby improving operator convenience and productivity of the processing material 2.

The operating principle of the tailstock 1 according to another embodiment of the present invention will be described with reference to FIGS. 6 and 7.

The position of the quill (11) supporting the processed material (2) may be changed depending on the mounted work material (2), and if the position of the quill (11) changes depending on the processed material (2), the position of the quill (11) may change. The positions of the dogs 12 are determined in response to the changed positions, and it is necessary to adjust the second sensing unit 23 to be located at a position corresponding to the determined positions of the dogs 12.

As shown in FIGS. 6 and 7, the second sensing unit 23 is located vertically below the position of each dog 12 determined according to the length of the workpiece 2. The control unit must be moved by the length of each arrow shown.

When the control unit 216 is moved, the connection unit 24 connected to the control unit 216 moves simultaneously, and the second sensing unit 23 installed on the connection unit 24 also moves simultaneously, thereby increasing the The position is adjusted.

Accordingly, work convenience and efficiency can be increased by allowing the worker to release (or combine) the fixing part 26 while being able to check the fixing part 26 from the front of the worker.

Referring to FIG. 8, a tailstock 1 according to another embodiment of the present invention will be described. As shown in FIG. 8, the tailstock 1 according to another embodiment of the present invention includes a housing portion 10 and an adjusting portion 20, like the tailstock 1 according to an embodiment of the present invention. However, in addition to the second sensing unit 23, it may additionally include a third sensing unit 27.

Although only one third sensing unit 27 is shown in FIG. 8, it is not necessarily limited thereto, and multiple units may be installed depending on the length of the processing material 2 or the size of the turning machine.

The third sensing unit 27 is the same as the second sensing unit 23 described above. but. By installing the third sensing unit 27 in the body part 21 in addition to the second sensing unit 23, the second sensing unit 23 or the third sensing unit 27 changes depending on the position of the quill 11. By operating it, there is no need to separately adjust the second sensing unit 23 again.

Accordingly, there is no need for the operator to separately spend effort and time to adjust the second sensing unit 23, thereby reducing the operator's working time and increasing product productivity by minimizing non-processing time.

Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those skilled in the art will understand the present invention as described in the patent claims to be described later. It will be understood that the present invention can be modified and changed in various ways without departing from the spirit and technical scope. Therefore, the technical scope of the present invention should not be limited to what is described in the detailed description of the specification, but should be defined by the scope of the patent claims.

1: Tailstock, 2: Processing material
3: Chuck 10: Housing part,
11: Quill, 12: Dog,
20: adjustment part, 21: body part.
211: coupling portion, 212: binding hole,
213: receiving portion, 214: insertion hole,
215: first moving part, 216: controlling part,
217: second moving unit, 22: first sensing unit,
23: second sensing unit, 24: connection unit
241: main body, 242: through hole,
243: extension part, 244: fastening hole,
25: control unit, 251: support unit,
252: fixing hole, 253: bent part,
26: fixing part 27: third sensing part

Claims (9)

In the tailstock including a housing portion and an adjustment portion installed in the housing portion,
The adjustment department,
body part;
a first sensing unit installed on the body;
a connection part movably installed on the body;
a second sensing unit installed in the connection unit to face the first sensing unit and be spaced apart in a horizontal direction;
a control unit installed on the body opposite the connection unit to adjust the position of the second sensing unit; and
a fixing part combining the connection part, the body part, and the manipulation part; Including,
Tailstock, characterized in that the position of the second sensing unit relative to the first sensing unit is adjusted as the position of the operating unit is adjusted.

delete According to paragraph 1,
The body part,
A coupling portion having a coupling hole formed through the coupling portion and coupled to the housing portion;
a receiving portion having an insertion hole formed through the coupling portion and extending in the width direction from one vertical end of the coupling portion; and
A tailstock comprising: an adjusting portion extending in a vertical direction from one end in the width direction of the receiving portion so as to face and be spaced apart from the engaging portion.
In paragraph 3
The receiving part is,
A tailstock comprising: a first moving part that accommodates the second sensing unit and is formed to extend horizontally through the second sensing unit to enable movement of the second sensing unit together with the connection part.
According to paragraph 4,
The control unit,
A tailstock comprising a second moving part corresponding to the first moving part, accommodating the fixing part and extending horizontally through the fixing part so that the fixing part can be moved.
According to clause 5,
The connection part is,
a main body portion having a through hole formed through the second sensing portion to accommodate the second sensing portion, and extending in the width direction to correspond to the receiving portion; and
A tailstock comprising a fastening hole formed through a penetrating hole to accommodate the fixing part, and an extension part bent in a vertical direction from one side of the main body part in the width direction.
According to clause 6,
The control unit,
a support portion having a fixing hole formed through the fixing portion to accommodate the fixing portion, and extending in a vertical direction to correspond to the adjusting portion; and
A tailstock comprising a bent portion extending from one vertical side of the support portion to be bent in the width direction.
In clause 7,
The main body portion of the connecting portion is adjacent to the receiving portion, and the extension portion of the connecting portion is installed adjacent to the adjusting portion,
The support portion of the operating portion faces the extension portion in the width direction with the adjusting portion interposed therebetween, and the bent portion of the operating portion is installed adjacent to the tip of the adjusting portion,
The tailstock is characterized in that the fixing part is fastened by sequentially passing through the fastening hole, the second moving part, and the fixing hole.
According to clause 8,
If position adjustment of the second sensing unit is necessary,
When the fixing part is partially released and the operation unit is moved along the second moving unit, the position of the second sensing unit connected to the connection unit moves to a position corresponding to the position at which the operation unit is moved along the first moving unit. The tailstock that does.

Images