KR102581028B1 - Jig for equal rotation of the object to be precessed - Google Patents

Abstract

A jig for conformal rotation of a machined object according to the present invention includes a base that supports a plurality of parts, a chuck coupler to which a chuck that restrains the workpiece is coupled to the upper side of the base, a rotation guide cover that guides the rotation of the chuck coupler, and A supporter installed upright on the base to support the chuck coupler and the rotation guide cover to maintain a certain height, a rotation shaft that penetrates the supporter and the rotation guide cover and one end of which is coupled with the chuck coupler to rotate, and an external force It is characterized in that it is composed of a rotation forcing unit that receives the linear motion and forces the rotation of the rotation shaft, and a stopper assembly that limits the rotation shaft to stop after rotating by a certain angle.

Description

Jig for equal rotation of the object to be processed}

The present invention relates to a jig for conformal rotation of a processing object, and to a jig for conformal rotation of a processing object that allows the processing object to be rotated at an isometric angle without direct manipulation by an operator while the processing object is pressurized and fixed.

The present invention relates to a jig for isometric rotation of a processing object that has a simple structure and enables precise rotation.

The present invention relates to a jig for isoscopic rotation of a processing object, which is designed to ensure the safety of workers by allowing a drill bit, milling cutter, etc. to rotate at a certain angle when in contact with one side of a tool holder on which the drill bit or milling cutter is rotatably installed.

The present invention relates to a jig for isometric rotation of a processing object that can be widely applied to various machine tools.

In general, a machine tool refers to a machine that processes materials such as metal to create the required shape while producing fine chips through cutting, grinding, etc., and uses tools such as bites, drill bits, and milling cutters to cut the processing object into a desired shape. A cutter is used.

In order to cut the workpiece, a vise is used as a component to firmly fix and support the workpiece so that it does not move. The vise has a structure that moves the moving jaw toward the fixed jaw to pressurize and secure the workpiece.

However, for multi-faceted processing of the workpiece, one side of the workpiece is processed using various jigs or clamps, and in order to process the other side, the surface requiring processing is moved to the upper side after releasing the fixed state of the workpiece. There is a problem in that productivity is reduced because repeated processing is required to change the position to face.

Accordingly, Republic of Korea Utility Model Publication No. 20-1994-0024383 discloses a hydraulic vise that allows the height and inclination angle of the vise to be arbitrarily adjusted, as shown in FIG. 1.

In addition, in Republic of Korea Patent No. 10-1972708, the angle of the vise of the milling machine can be adjusted while the workpiece is fixed as shown in Figure 2, so the risk of damage due to frequent fixation and disassembly of the workpiece can be reduced, and the workability is improved accordingly. An angle-adjustable clamp for a machine tool vise that can increase convenience is disclosed.

In addition, Republic of Korea Patent Publication No. 10-2013-0008260 discloses a vise for a milling machine capable of adjusting the angle so that the workpiece can be firmly fixed and the angle can be adjusted to facilitate cutting work, as shown in FIG. 3. there is.

In addition, Republic of Korea Patent No. 10-1440525 discloses a precision vise capable of adjusting the angle of the workpiece by rotating the adjuster while the workpiece is seated on the first and second rotors as shown in FIG. 4. .

However, the above-described prior technologies have problems in that ease of use is reduced because the operator directly rotates the object to be processed, and precision is lowered because the process is visually adjusted using scales, etc.

In addition, there is a problem that it cannot be applied when drilling radially holes on the outer surface of a processing object with a round cross-section, such as a rod or pipe, or when cutting at an equal angle is required.

In addition, since it is used exclusively for specific machine tools, there is a problem of low utilization.

The purpose of the present invention is to solve the problems of the prior art as described above. The present invention relates to a jig for isometric rotation of a processing object, which rotates the processing object at an isometric angle without directly manipulating the processing object while the object is pressurized and fixed. The goal is to provide a jig for isometric rotation of the processing object that allows this.

Another object of the present invention is to provide a jig for isometric rotation of a processing object that has a simple structure and enables precise rotation.

Another object of the present invention is to provide a jig for isoscopic rotation of the workpiece, which is configured to rotate by a certain angle when a drill bit or milling cutter, etc., comes in contact with one side of a rotatably installed tool holder, thereby ensuring the safety of the worker. It's in the thing.

Another object of the present invention is to provide a jig for isometric rotation of a processing object that can be widely applied to various machine tools.

The jig for conformal rotation of the workpiece according to the present invention for achieving the above object includes a base supporting a plurality of parts, a chuck coupler in which a chuck for restraining the workpiece on the upper side of the base is coupled, and rotation of the chuck coupler. A guiding rotation guide cover, a supporter installed upright on the base to support the chuck coupler and the rotation guide cover to maintain a certain height, and one end of which penetrates the supporter and the rotation guide cover and are coupled with the chuck coupler to rotate. It is characterized by comprising a rotation axis that receives an external force and moves in a straight line to force rotation of the rotation axis, and a stopper assembly that limits the rotation axis to stop after rotating by a certain angle.

The stopper assembly includes a stopper block axially coupled to the rotation axis, an elastic interference portion that presses the outer surface of the stopper block with elastic restoring force, a stopper cover that accommodates and shields the stopper block inside, and a stopper block on the outer surface of the stopper block. It is characterized in that it is configured to include a radial protrusion that is arranged radially and transmits a force so that the rotation axis rotates when the rotation forcing portion moves in one direction.

The outer peripheral surface of the stopper block is provided with a plurality of stop grooves spaced at equal intervals to accommodate one side of the elastic interference portion, and the radial protrusions are spaced apart in numbers corresponding to the stop grooves.

The rotation forcing unit includes a sliding bar that moves in a straight line by an external force, an elastic member that elastically restores the sliding bar in one direction, and a hook rotatably coupled to one side of the sliding bar and selectively transmitting force when in contact with the radial protrusion. It is characterized by being composed of:

One side of the sliding bar is characterized by a rotation limiter that limits the one-directional rotation range of the hanger.

In the present invention, the object to be processed can be rotated at an equal angle without direct manipulation by the operator while the object to be processed is pressurized and fixed.

Therefore, while having a simple structure, precise rotation is possible, which has the effect of increasing productivity and precision.

In addition, the safety of workers can be guaranteed by being configured to rotate at a certain angle when a drill bit, milling cutter, etc. comes into contact with one side of the tool holder that is rotatably installed.

In addition, it has the advantage of being widely applicable to various machine tools and thus has high usability.

In addition, its simple structure reduces manufacturing costs and makes it easy to maintain and manage.

Figure 1 is a side view showing the structure of a hydraulic vise disclosed in Korean Public Utility Model No. 20-1994-0024383.
Figure 2 is a perspective view showing the structure of an angle-adjusting clamp for a machine tool vise disclosed in Republic of Korea Patent No. 10-1972708.
Figure 3 is a perspective view showing the structure of an angle-adjustable vise for a milling machine disclosed in Korean Patent Publication No. 10-2013-0008260.
Figure 4 is a perspective view showing the structure of a precision vise capable of adjusting the angle disclosed in Republic of Korea Patent No. 10-1440525.
Figure 5 is an actual photograph showing the state of use of the jig for isometric rotation of the processed object according to the present invention.
Figure 6 is a perspective view showing the front appearance of a jig for isometric rotation of a processing object according to the present invention.
Figure 7 is a perspective view showing the rear exterior of a jig for isometric rotation of a processing object according to the present invention.
Figure 8 is a front exploded perspective view showing the internal structure of the stopper assembly, which is a component of the jig for isometric rotation of the processing object according to the present invention.
Figure 9 is an exploded rear perspective view showing the internal structure of the stopper assembly, which is a component of the jig for isometric rotation of the processing object according to the present invention.
Figure 10 is a front view showing the operation of the stopper assembly, which is part of the jig for isometric rotation of the processing object according to the present invention.
Figure 11 is a front view showing the principle of rotation of the stopper assembly, which is a component of the jig for isometric rotation of the processing object according to the present invention.
Figure 12 is a front view showing the principle of returning the stopper assembly to its original state in the jig for isometric rotation of the processing object according to the present invention.

Hereinafter, with reference to the attached FIG. 5, the configuration of the jig for conformal rotation of a processed object (hereinafter referred to as the 'jig 100 for conformal rotation') according to the present invention will be described.

Figure 5 shows an actual photograph showing the state of use of the jig 100 for isometric rotation of a processing object according to the present invention.

Prior to this, terms or words used in this specification and claims should not be interpreted in their usual, dictionary meaning, and the inventor may appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted with meaning and concept consistent with the technical idea of the present invention based on the principle that it is.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents may be substituted for them at the time of filing the present application. It should be understood that variations and variations may exist.

As shown in the drawing, the isometric rotation jig 100 according to the present invention is a device that performs drilling, lathe processing, milling, etc. by isometrically rotating the processing object (W) requiring processing at a certain angle. In the embodiment, a chuck (C) for gripping and fixing the processing object (W) is coupled to the right side of the isometric rotation jig (100), and as a result, a hole or groove is formed at a radial isometric angle on the outer surface of the processing object (W). can be formed.

In addition, if the processing equipment is a drilling machine (D), grooves or holes can be formed radially as shown in Figure 5, and if the isometric rotation jig (100) is installed on the milling machine, chamfering is possible on the outer surface of the processing object (W). This makes cutting of hexahedrons, tetrahedra, octahedrons, etc. possible.

A base 110 is located at the bottom of the isometric rotation jig 100 and is coupled to integrate a plurality of parts, and the base 110 is coupled to processing equipment so that its movement may be restricted.

Hereinafter, the configuration of the isometric rotation jig 100 will be described in detail with reference to the attached FIGS. 6 and 7.

Figure 6 is a perspective view showing the front appearance of the jig 100 for isometric rotation of the processing object according to the present invention, and Figure 7 is a perspective view showing the rear appearance of the jig 100 for isometric rotation of the processing object according to the present invention. It is shown.

As shown in the drawing, the isometric rotation jig 100 includes the above-described base 110 and a chuck coupler 120 to which a chuck C that restrains the workpiece W to the upper side of the base 110 is coupled. , a rotation guide cover 130 that guides the rotation of the chuck coupler 120, and is installed upright on the base 110 so that the chuck coupler 120 and the rotation guide cover 130 maintain a constant height. A supporting supporter 140 passes through the supporter 140 and the rotation guide cover 130, and one end is coupled to the chuck coupler 120 and rotates, and a rotation shaft 150 receives external force. It is composed of a rotation forcing unit 160 that forces the rotation of the rotation shaft 150 by moving in a straight line, and a stopper assembly 170 that limits the rotation shaft 150 to stop after rotating by a certain angle.

The base 110 forms the bottom surface of the isometric rotation jig 100, and the supports 140 are composed of a pair and are fixed upright.

The supports 140 are arranged in parallel and spaced apart from each other, and a rotation guide cover 130 is fixed between them with both ends facing each other. The rotation guide cover 130 has a cylindrical shape with an empty interior, and a bearing (not shown) is inserted therein, and a rotation shaft 150 is rotatably coupled to the bearing.

The rotation shaft 150 is axially coupled to a chuck coupler 120 and one side of the stopper assembly 170 at both ends, and when an external force acts on one side of the stopper assembly 170 and rotates, the rotation shaft 150 generates a rotational force. It is possible to transmit it to the chuck coupler (120).

A chuck (C) is coupled and interlocked with the chuck coupler 120, and the workpiece (W) to be processed can be firmly coupled to the chuck (C).

To this end, a plurality of chuck coupling holes 122 are drilled in the chuck coupling port 120 so that it can be coupled to the chuck C, and fastening members such as bolts can be inserted into the chuck coupling holes 122.

Among the pair of supporters 140, the supporter 140 located on the right performs the function of supporting the chuck coupler 120 so that it can rotate, and the supporter 140 located on the left keeps the stopper assembly 170 constant. It performs the function of supporting a part of it to rotate while maintaining its position.

In addition, most of the outer surface of the stopper assembly 170 is formed by a stopper cover 176, and the stopper cover 176 shields the rotating component of the stopper assembly 170 from being exposed to the outside to prevent the inflow of foreign substances. It performs a blocking function.

A rotation forcing portion 160 is provided at the rear of the stopper assembly 170. The rotation forcing unit 160 is configured to reciprocate linearly in the up and down directions when an external force is applied by one side of the drilling machine (D) that moves to process the object (W). When moving linearly in the downward direction, it interferes with one side of the stopper assembly 170 to rotate it, and when returning upward, it acts to pass by the stopper assembly 170 without rotating it.

Accordingly, the rotation forcing unit 160 rotates the rotation shaft 150 by applying an external force in the downward direction of the stopper assembly 170, thereby rotating the chuck coupler 120 clockwise (as seen in FIG. 6).

Hereinafter, the detailed configuration of the stopper assembly 170 and the rotation forcing unit 160 will be described with reference to the attached FIGS. 8 and 9.

Figure 8 is a front exploded perspective view showing the internal structure of the stopper assembly 170, which is a component of the jig 100 for isometric rotation of the processing object according to the present invention, and Figure 9 shows the jig 100 for isometric rotation of the processing object according to the present invention. A rear exploded perspective view showing the internal structure of the stopper assembly 170, which is a component of the jig 100, is shown.

As shown in these figures, the storage assembly includes a stopper block 172 axially coupled to the rotation axis 150, an elastic interference portion 174 that presses the outer surface of the stopper block 172 with an elastic restoring force, and the stopper block A stopper cover 176 that accommodates and shields (172) inside, and is radially disposed on the outer surface of the stopper block 172, transmits force so that the rotation axis 150 rotates when the rotation forcing portion 160 moves in one direction. It is composed of a plurality of radial protrusions 178.

The stopper block 172 is roughly in the form of a spur gear and is composed of a disk shape with a predetermined thickness, and a stop groove 179 is formed on the outer circumferential surface and is radially recessed at an equal angle.

The stop groove 179 is a place where a restraining force is generated to prevent the stopper block 172 from rotating when the lower end of the elastic interference portion 174 is inserted, and an external force is applied by the sliding bar 162, which will be explained below. When the stopper block 172 rotates, the elastic interference portion 174 leaves the stop groove 179 and is then formed to be equiangularly spaced so that it can be seated in the adjacent stop groove 179.

Accordingly, the plurality of stop grooves 179 are processed to be rounded at adjacent portions so that the lower end of the elastic interference portion 174 can be passed over without difficulty.

The radial protrusions 178 are composed of a number corresponding to the stop grooves 179, and are arranged radially spaced apart from the rear edge of the stopper block 172. In addition, the plurality of stop grooves 179 are arranged to be equiangularly spaced apart, and in the embodiment of the present invention, the stop grooves 179 are arranged to be spaced apart by 15° based on the rotation center of the stopper block 172.

Therefore, when the rotation forcing unit 160 moves in the downward direction and presses the radial protrusion 178 to rotate the stopper block 172, the elastic interference unit 174 leaves the original stop groove 179 and is adjacent to it. It can be inserted into the stop groove 179, and at this time, the stopper block 172 and the processing object (W) can be rotated by 15°.

The rotation forcing unit 160 is contacted when the drilling machine D moves downward and receives an external force, and downward sliding movement is possible due to this external force.

For this purpose, the rotation forcing unit 160 includes a sliding bar 162 that moves in a straight line by an external force, an elastic member (see reference numeral 164 in FIG. 10) that elastically restores the sliding bar 162 in one direction, and the It is rotatably coupled to one side of the sliding bar 162 and includes a hook 166 that selectively transmits force when in contact with the radial protrusion 178.

The sliding bar 162 is inserted into the sliding groove 142 formed by a long vertical depression in the supporter 140 and slides in the up/down direction, and a departure prevention protrusion 144 protrudes from the sliding groove 142. there is.

The separation prevention protrusion 144 is accommodated in the protrusion receiving groove 163 drilled in an oval shape in the sliding bar 162 and functions to prevent the sliding bar 162 from being separated. More specifically, the separation prevention protrusion 144 inserted into the protrusion receiving groove 163 limits the upward sliding of the sliding bar 162 when it contacts the bottom surface of the protrusion receiving groove 163 as shown in FIG. This limits departure.

The hook 166 is rotatably coupled to a stepped recessed portion of the sliding bar 162, and a portion of the hook 166 is processed to protrude in the direction where the stopper block 172 is located.

Therefore, when the sliding bar 162 slides in the up/down direction, the hook 166 comes into contact with the radial protrusion 178, and acts to apply an external force only when the sliding bar 162 moves in the downward direction. do.

More specifically, a rotation limiter 168 protrudes from the lower side of the hook 166. That is, the bottom surface of the area where the hook 166 is recessed to be inserted becomes the rotation limiter 168, which limits the clockwise rotation of the hook 166 as seen in FIG. 9.

And the rotation limiting part 168 is configured to allow counterclockwise rotation of the hanging part 166.

Therefore, when the sliding bar 162 moves downward, the hook portion 166 presses the radial protrusion 178 in the downward direction while its rotation is restricted by the rotation limiter 168, which causes the stopper to Block 172 becomes rotatable.

And when the sliding bar 162 moves upward due to the elastic restoring force of the elastic member 164, the hook 166 contacts the radial protrusion 178 and rotates counterclockwise in place. The external force escapes upward without being applied.

Hereinafter, the operation of the isometric rotation jig 100 will be described with reference to the attached FIGS. 10 to 12.

Figure 10 shows a front view showing the operation of the stopper assembly 170, which is a component of the jig 100 for conformal rotation of the processing object according to the present invention, and Figure 11 shows the jig 100 for conformal rotation of the processing object according to the present invention. ), a front view showing the principle of rotation of the stopper assembly 170, which is a component, is shown, and in Figure 12, the stopper assembly 170, which is a component of the jig 100 for isometric rotation of a processing object according to the present invention, is shown in its original state. A front view showing the principle of return is shown.

And for convenience of explanation, the object to be processed (W) and the chuck (C) are not shown.

First, in Figure 10, a stopper block 172 having 24 radial protrusions 178 is provided, and when the drilling machine (D) presses the sliding bar 162 in the direction of the arrow, the hook 166 rotates. It cannot rotate due to the limiting portion 168 and a downward external force is applied to the radial protrusion 178.

This external force forces the stopper block 172 to rotate about the rotation axis 150 (see counterclockwise arrow in FIG. 11).

At this time, the elastic interference part 174 has its lower end inserted into the stop groove 179 as shown in Figure 10, and then separates and comes into contact with the outer peripheral surface of the stopper block 172 as shown in Figure 11, and the hook part When the stopper block 172 rotates a little more due to the downward movement of (166), the lower end of the elastic interference part 174 is inserted into the adjacent stop groove 179 to exert a binding force. occurs, and the lower surface of the hook 166 is spaced apart from the radial protrusion 178, making it no longer possible to transmit external force in the downward direction.

Afterwards, when the force applied to the sliding bar 162 is removed, the sliding bar 162 returns to its upward direction in the direction of the arrow in FIG. 12 due to the elastic member 164, and the hook portion 166 is a rotation limiter. Since the interference caused by (168) is canceled and rotation is possible, upward rotation of the sliding bar 162 is allowed while rotating clockwise as shown in FIG. 12, and the stopper block 172 is rotated clockwise again. You can prevent it from happening.

The scope of the present invention is not limited to the embodiments illustrated above, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

For example, in the embodiment of the present invention, the plurality of radial protrusions 178 are arranged to be equiangularly spaced at 15° intervals, but the sliding bar 162 rotates the radial protrusions (178) according to the angle to be rotated during one straight reciprocating movement. 178) The number can be changed.

100. Jig for isometric rotation 110. Base
120. Chuck coupling hole 122. Chuck coupling hole
130. Rotation guide cover 140. Supporter
142. Sliding groove 144. Breakaway prevention projection
150. Rotation axis 160. Rotation force unit
162. Sliding bar 163. Protrusion receiving groove
164. Elastic member 166. Hanging part
168. Rotation limiter 170. Stopper assembly
172. Stopper block 174. Elastic interference part
176. Stopper cover 178. Radial process
179. Stop groove C. chuck
D. Drilling machine W. object to be processed

Claims (5)

A base that supports multiple parts,
A chuck coupler to which a chuck that restrains the processing object is coupled on the upper side of the base,
A rotation guide cover that guides the rotation of the chuck coupler,
A supporter installed upright on the base to support the chuck coupler and the rotation guide cover to maintain a certain height,
A rotating shaft that penetrates the supporter and the rotating guide cover, and one end of which is coupled with the chuck coupler and rotates;
A rotation forcing unit that receives an external force and moves in a straight line to force the rotation of the rotation shaft,
A jig for isometric rotation of a processing object, characterized in that it includes a stopper assembly that limits the rotation axis to stop after rotating by a certain angle.
The method of claim 1, wherein the stopper assembly,
A stopper block coupled to the rotation axis,
An elastic interference unit that presses the outer surface of the stopper block with elastic restoring force,
A stopper cover that accommodates and shields the stopper block inside,
A jig for conformal rotation of a processing object, characterized in that it includes a radial protrusion disposed radially on the outer surface of the stopper block and transmitting force to rotate the rotation axis when the rotation forcing part moves in one direction.
According to claim 2, on the outer peripheral surface of the stopper block,
A jig for conformal rotation of a processing object, characterized in that a plurality of stop grooves are spaced apart at equal intervals to accommodate one side of the elastic interference portion, and the radial protrusions are spaced apart in numbers corresponding to the number of stop grooves.
The method of claim 3, wherein the rotation forcing unit,
A sliding bar that moves in a straight line by an external force,
an elastic member that elastically restores the sliding bar in one direction;
A jig for isometric rotation of a processing object, characterized in that it is rotatably coupled to one side of the sliding bar and includes a hook that selectively transmits force when in contact with the radial protrusion.
The method of claim 4, wherein on one side of the sliding bar,
A jig for isometric rotation of a processing object, characterized in that it is provided with a rotation limiter that limits the unidirectional rotation range of the hanger.