KR20190115674A - Apparatus for grinding - Google Patents

Abstract

Disclosed is an apparatus for molding and grinding. According to the present invention, the apparatus for molding and grinding comprises: a base; a transfer table which is placed on an upper end of the base to relatively move in the direction of an X-axis and a Y-axis against the base; a grinding wheel support unit fixated and installed on an upper end of the base to be provided in a direction of a Z-axis; a grinding wheel moving unit which is able to move in the direction of the Z-axis along the grinding wheel support unit; a grinding wheel driving unit engaged with the grinding wheel moving unit to rotate the grinding wheel around the Y-axis; and a structure support unit installed on the transfer table to support a structure. The structure support unit may comprise: a support body fixated and installed on the transfer table at a certain height in the direction of the Z-axis; a first rotating rod installed on the support body to have a rotary shaft parallel to the direction of the X-axis and to be rotatable around the support body; a first driving unit which rotates the first rotating rod; a second rotating rod engaged with the first rotating rod to have a rotary shaft, which is vertical to the rotary shaft of the first rotating rod, and to be rotatable around the first rotating rod; a second driving unit which rotates the second rotating rod; and a chucking unit which is fixated and installed on the front end of the second rotating rod to chuck the structure. The present invention aims to provide an apparatus for molding and grinding, which is able to precisely process the structure into a variety of shapes.

Description

Apparatus for grinding

The present invention relates to a shaping device, and more particularly, to a shaping device that can precisely process a workpiece into various shapes.

Grinding is a precision machine that cuts a workpiece in a very small amount on a plane or cylindrical surface by rotating a grinding wheel made of very hard and fine grinding particles at high speed.

Grinding is used for mirror processing of large-diameter semiconductor wafers, precision parts for IT and BT industries, optical communication parts, high precision lenses and injection molds for optical applications, as well as finishing processes for various precision parts in various industries such as aircraft blades and aircraft. It is an essential process that is applied to determine the quality of a product.

With the recent trend of high precision of machined products, grinding technology is also rapidly developing. As cutting machines become faster, more precise, and more efficient, there are many replacements of past grinding processes. However, in the meantime, the demand for the grinding process is increasing to meet the demand of high precision of such products, and the situation is demanding high productivity, high precision and high quality grinding surface.

The present invention provides a shaped grinding device capable of various shapes and precision machining of a workpiece.

In addition, the present invention provides a molding grinding apparatus capable of surface machining, edge machining, and vertex machining of a workpiece by using one grinding wheel, and the processing speed can be improved.

Molding grinding apparatus according to the present invention is a base; A transfer table placed on an upper end of the base and movable relative to the base in an X-axis direction and a Y-axis direction; A grinding wheel support fixed to the upper end of the base and provided in a Z-axis direction; A grinding wheel moving unit movable in the Z-axis direction along the grinding wheel support unit; A grinding wheel driving unit coupled to the grinding wheel moving unit and rotating the grinding wheel about the Y axis; And a workpiece support installed on the transfer table to support a workpiece, wherein the workpiece support includes: a support body fixed to the transfer table at a predetermined height in the Z-axis direction; A first rotating rod installed on the support body and having a rotation axis parallel to the X axis direction and rotatable with respect to the support body; A first driving part rotating the first rotating rod; A second rotating rod coupled to the first rotating rod, the rotating shaft perpendicular to the rotating shaft of the first rotating rod, and rotatable with respect to the first rotating rod; A second driving part rotating the second rotating rod; And a chucking part fixedly installed at the tip of the second rotary rod and chucking the workpiece.

The transfer table may include: a first table installed at an upper end of the base and movable in the X axis direction with respect to the base; And a second table installed at an upper end of the first table and movable in the Y-axis direction with respect to the first table, wherein the support body may be fixed to an upper end of the second table.

In addition, the grinding wheel is a disk shape having a front, rear, and outer peripheral surface, the front surface may be provided as a grinding surface.

In addition, the chucking unit may chuck the workpiece by magnetic force.

In addition, a first rotating disk that rotates together with the first rotating rod is formed on an outer circumferential surface of the first rotating rod, and a second rotating disk that rotates together with the second rotating rod is formed on an outer circumferential surface of the second rotating rod. The workpiece support may include a first sensor configured to measure a rotation angle of the first rotating disk; And a second sensor for measuring the rotation angle of the second rotating disk.

According to the present invention, the relative position of the grinding wheel and the workpiece is adjusted according to the X-axis movement of the first table, the Y-axis movement of the second table, and the Z-axis movement of the grinding wheel. Since the attitude of the workpiece with respect to the grinding wheel is adjusted according to the rotation of the two-turn rod, the workpiece can be finely machined into various shapes.

1 is a perspective view showing a molding grinding apparatus according to an embodiment of the present invention.
It is a front view which shows the shaping | molding grinding apparatus of FIG.
3 is a right side view of the shaping device of FIG. 1.
4 is a perspective view showing the workpiece support and the grinding wheel of FIG.
FIG. 5 is a diagram illustrating a method of measuring rotation amounts of the first and second rotating disks by the first and second sensors according to an exemplary embodiment.
FIG. 6 is a diagram illustrating a method of measuring rotation amounts of first and second rotating disks by first and second sensors according to another exemplary embodiment.
7A to 7C are diagrams each showing a process of processing a work piece using the shaping device according to the present invention.
FIG.8 and FIG.9 is a figure which shows the shape of the workpiece processed using the shaping | molding grinding apparatus of this invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the technical idea of the present invention is not limited to the exemplary embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided to ensure that the disclosed contents are thorough and complete, and that the spirit of the present invention can be sufficiently delivered to those skilled in the art.

In the present specification, when a component is mentioned to be on another component, it means that it may be formed directly on the other component or a third component may be interposed therebetween. In addition, in the drawings, the thicknesses of films and regions are exaggerated for effective explanation of technical contents.

In addition, in various embodiments of the present specification, terms such as first, second, and third are used to describe various components, but these components should not be limited by these terms. These terms are only used to distinguish one component from another. Thus, what is referred to as a first component in one embodiment may be referred to as a second component in another embodiment. Each embodiment described and illustrated herein also includes its complementary embodiment. In addition, the term 'and / or' is used herein to include at least one of the components listed before and after.

In the specification, the singular encompasses the plural unless the context clearly indicates otherwise. In addition, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, element, or combination thereof described in the specification, and one or more other features or numbers, steps, configurations It should not be understood to exclude the possibility of the presence or the addition of elements or combinations thereof. In addition, the term "connection" is used herein to mean both indirectly connecting a plurality of components, and directly connecting.

In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a perspective view showing a molding grinding apparatus according to an embodiment of the present invention, Figure 2 is a front view showing the molding grinding apparatus of Figure 1, Figure 3 is a right side view showing the molding grinding apparatus of FIG.

1 to 3, the molding grinding apparatus 100 includes a base 110, a transfer table 120, a grinding wheel support 130, a grinding wheel moving unit 140, a grinding wheel driving unit 150, and a workpiece. The support unit 160, the display unit 170, and the first to third operation panels 180, 190, and 210 are included.

Base (Base, 110) is a body for supporting the various components of the forming grinding apparatus 100, is provided at a predetermined height. Base 110 may be composed of a bed (111) and saddle (112). The bed 111 may be fixed to the ground and the saddle 112 may be placed on top of the bed 111. Hereinafter, the height direction of the base 110 is called a Z-axis direction, and the direction perpendicular to the Z-axis when viewed from the top is referred to as the X-axis direction and the Y-axis direction, respectively.

The transfer table 120 is placed on the top of the base 110 and is relatively movable in the X-axis direction and the Y-axis direction with respect to the base 110. According to the embodiment, the transfer table 120 may include a first table 121 that can be linearly moved in the X-axis direction, and a second table 122 that can be linearly moved in the Y-axis direction. The first table 121 and the second table 122 are rectangular plates having a predetermined length and thickness, and the length direction thereof may be disposed in the X-axis direction. The first table 121 and the second table 122 may be moved relative to the base 100 and may be moved relative to each other. According to an embodiment, the first table 121 may be located at the top of the base 110, and the second table 122 may be located at the top of the first table 121. Guide protrusions and guide grooves for guiding linear movement of the first table 121 may be formed in the X-axis direction on the bottom surface of the first table 121 and the top surface of the saddle 112, respectively. In addition, a guide protrusion and a guide groove for guiding linear movement of the second table 122 may be formed in the Y-axis direction on the upper surface of the first table 121 and the bottom surface of the second table 122, respectively.

The grinding wheel support 130 is coupled to the upper end of the bed 112 at the rear of the transfer table 120 in the Y-axis direction. The grinding wheel support 130 is disposed at a predetermined height in parallel with the Z-axis in the longitudinal direction thereof. The guide groove 131 is formed in the Z-axis direction on the front surface of the grinding wheel support 130.

The grinding wheel moving part 140 is provided in the guide groove 131 of the grinding wheel support part 130 and moves up and down along the guide groove 131 in the Z-axis direction.

The grinding wheel driving unit 150 is coupled to the grinding wheel moving unit 140, and lifts and moves along the Z-axis direction along with the grinding wheel moving unit 140. The grinding wheel driver 150 supports the grinding wheel 300 and rotates the grinding wheel 300 at high speed about the Y-axis direction.

The grinding wheel 300 may have a disk shape, a front surface, a rear surface facing the front surface, and an outer circumferential surface connecting the front surface and the rear surface. The front and outer circumferential surfaces of the grinding wheel 300 may be provided as grinding surfaces, respectively. According to an embodiment, the grinding surface 310 may be provided on the front surface of the grinding wheel 300 in a ring shape along the edge area.

4 is a perspective view showing the workpiece support and the grinding wheel of FIG.

1 to 4, the work support 160 is installed on the transfer table 120, and supports the work 10. According to an embodiment, the workpiece support 160 may be fixedly installed on the upper surface of the second table 122. The workpiece support part 160 includes a support body 161, a first rotating rod 162, a first driving part 163, a second rotating rod 164, a second driving part 165, a chucking part 166, and a first part. Sensor 167, and a second sensor 168.

The support body 161 is fixed to the second transfer table 122 and is provided at a predetermined height in the Z direction from the second transfer table 122.

The first rotary rod 162 is installed on the upper end of the support body 161, the longitudinal direction thereof is disposed parallel to the X-axis direction. The bearing 169 is inserted between the first rotating rod 162 and the support body 161, and the first rotating rod 162 is supported by the bearing 169 to be rotatable with respect to the supporting body 161. . The first rotation rod 162 has a rotation axis parallel to the X axis direction. The first rotating disk 162a may be formed on an outer circumferential surface of the first rotating rod 162. The first rotating disk 162a rotates together with the first rotating rod 162. The first rotating disk 162a is formed to protrude to a predetermined thickness in the radial direction of the first rotating rod 162 in a section between the support body 161 and the first driving part 163.

The first driving unit 163 is coupled to the rear end of the first rotary rod 162 and rotates the first rotary rod 162.

The second rotary rod 164 is coupled to the front end of the first rotary rod 162, the longitudinal direction is disposed perpendicular to the longitudinal direction of the first rotary rod 162. According to the embodiment, the second rotating rod 164 is inserted into the first rotating rod 162, the front end protrudes to one side of the first rotating rod 162, the other end of the first rotating rod 162. Protrudes to the side. Although not shown in the drawings, a bearing is inserted between the second rotating rod 164 and the first rotating rod 162, and the second rotating rod 164 is rotatable with respect to the first rotating rod 162. The second rotary rod 164 is rotatable about the first rotary rod 162 about its longitudinal direction.

A second rotating disk 164a may be formed on the outer circumferential surface of the second rotating rod 164. The second rotating disk 164a rotates together with the second rotating rod 164. The second rotating disk 164a is formed to protrude to a predetermined thickness in the radial direction of the second rotating rod 164 in a section between the first rotating rod 162 and the second driving unit 163.

The second driving unit 165 is coupled to the rear end of the second rotating rod 164 and rotates the second rotating rod 164.

The chucking portion 166 is fixedly coupled to the tip of the second rotary rod 164. The chucking portion 166 rotates together with the second rotation rod 164. The chucking portion 166 chucks the workpiece 10. According to one embodiment, the chucking unit 166 may chuck the workpiece 10 in a mechanical manner. According to one example, the chucking unit 166 is a workpiece 10 by moving at least three or more chucking pins (not shown) arranged around the groove in which the workpiece 10 is inserted, linearly radially around the groove. ) Can be chucked.

According to another embodiment, the chucking unit 166 may chuck the workpiece 10 by magnetic force. In this case, although not shown in the drawings, the chucking unit 166 may include a chucking jig and a magnet unit. The chucking jig is formed with a groove into which the workpiece 10 is inserted. The chucking jig may be provided in plural, and the shape and size of the groove may be different for each chucking jig. The chucking jig is selected according to the shape and size of the workpiece 10 and coupled to the chucking portion 166. The magnet portion is provided in the chucking portion 166 to form a magnetic force. The workpiece 10 is fixed to the chucking jig by the magnetic force. According to an embodiment, the magnet part may be provided with an electromagnet. The electromagnet may be provided such that the magnetic coil wraps the chucking jig a plurality of times.

The first sensor 167 measures the amount of rotation of the first rotating disk 162a, and the second sensor 164 measures the amount of rotation of the second rotating disk 164a.

FIG. 5 is a diagram illustrating a method of measuring rotation amounts of first and second rotating disks by first and second sensors according to an embodiment of the present invention, and FIG. 6 is a first view according to another embodiment of the present invention. And a method in which the second sensor measures the amount of rotation of the first and second rotating disks.

First, referring to FIG. 5, teeth t1 may be formed on upper surfaces of the first and second rotating disks 162a and 164a to be spaced apart from each other. The teeth t1 are radially formed with respect to the center of the first and second rotating disks 162a and 164a. On the upper surfaces of the first and second rotating disks 162a and 164a, the teeth t1 and the grooves g1 are alternately repeated along the circumferential direction of the first and second rotating disks 162a and 164a. The teeth and grooves are formed in a uniform size.

The first and second sensors 167 and 168 of the light emitting part La and the first and second rotating disks 162a and 164a irradiate a laser to one surface of the first and second rotating disks 162a and 164a. It includes a light receiving portion (Lb) for receiving the laser reflected from one surface. The first and second sensors 167 and 168 reflect the laser at the teeth t1 or the groove g1 by measuring the time until the laser irradiated from the light emitting unit La is reflected and received by the light receiving unit Lb. Determine if In addition, the number of teeth t1 and the grooves g1 measured by the first and second sensors 167 and 168 during the rotation of the first and second rotating disks 162a and 164a may be calculated. The amount of rotation of the second rotating disks 162a and 164a is determined.

Referring to FIG. 6, teeth t2 and holes h1 are alternately formed along the periphery of edge regions of the first and second rotating disks 162a and 164a.

The first and second sensors 167 and 168 respectively include a light emitting part La for irradiating a laser from one side of the first and second rotating disks 162a and 164a and the first and second rotating disks 162a, The light receiving unit Lb for receiving a laser on the other side of the 164a. The laser irradiated from the light emitting part La is not received by the light receiving part Lb when reflected from the teeth t1 of the first and second rotating disks 162a and 164a, and the first and second rotating disks 162a, When it passes through the hole h1 of 164a, it is received by the light receiving part Lb. The first and second sensors 167 and 168 may rotate the first and second rotating disks 162a through the number of laser signals received by the light receiver Lb during the rotation of the first and second rotating disks 162a and 164a. , The amount of rotation of 164a can be determined.

The display unit 170 displays work contents and includes a plurality of buttons for inputting work contents.

The first operation panel 180 controls the movement of the first table 121 in the X axis direction. The second operation panel 190 controls the movement in the Y axis direction of the second table 122. The third operation panel 210 controls the movement of the grinding wheel moving unit 140 in the Z-axis direction. The moving direction and the moving amount of the first table 121, the second table 122, and the grinding wheel moving part 140 are adjusted according to the rotating direction and the rotating amount of the first to third operating panels 180, 190, and 210. do. The first to third operation panels 180, 190, and 210 may select a manual mode and an automatic mode. In the manual mode, the operator directly rotates the first to third operating panels 180, 190, and 210 to adjust the movement of the first table 121, the second table 122, and the grinding wheel moving part 140. . In the automatic mode, the rotation of the first to third control panels 180, 190, and 210 is controlled by the control of the controller to be described later according to the work content input through the display unit 170.

The above-described shaping device 100 may further include a control unit. The controller may control the first to third control panels 180, 190, and 210, the first driver 163, and the second driver 165 according to the processing assistance input from the user through the display unit 170. .

According to the shaping device 100 described above, the grinding wheel according to the X-axis movement of the first table 121, the Y-axis movement of the second table 122, and the Z-axis movement of the grinding wheel 300 The relative position of the 300 and the workpiece 10 can be adjusted. In addition, the attitude of the workpiece 10 with respect to the grinding wheel 300 may be adjusted according to the rotation of the first rotating rod 162 and the second rotating rod 164. Specifically, the first rotating rod 162 rotates in the X-axis direction by the driving of the first driving unit 163, and the second rotating rod 164 and the second driving unit (together with the first rotating rod 162). 165 rotates. The controller may control the rotation of the first rotating rod 162 by the amount of rotation of the first rotating disk 162a transmitted from the first sensor 167. The second rotary rod 164 rotates its longitudinal direction by the drive of the second driving unit 165, and the chucking unit 166 and the workpiece 10 rotate together with the second rotary rod 164. The controller may control the rotation of the second rotating rod 164 by the amount of rotation of the second rotating disk 164a transmitted from the second sensor 168.

By the rotation of the first rotating rod 162 and the second rotating rod 164 described above, the attitude of the workpiece 10 with respect to the grinding wheel 300 can be determined.

7A to 7C are diagrams each showing a process of processing a work piece using the shaping device according to the present invention.

First, referring to FIG. 7A, the shaping device 100 may process a surface of the work 10. Specifically, the workpiece support 160 is ground with one surface of the workpiece 10 in a state in which the workpiece 10 is supported so that one surface of the workpiece 10 is parallel to the grinding surface 310 of the grinding wheel 300. The grinding surface 310 of the wheel 300 is in contact. Thereby, the surface processing of the workpiece | work 10 can be made.

Referring to FIG. 7B, edge machining of the workpiece 10 is possible. Specifically, the workpiece support 160 is the edge of the workpiece 10 and the grinding wheel 300 in a state in which the workpiece 10 is supported so that the edge of the workpiece 10 faces the grinding surface 310 of the grinding wheel 300. Contact the grinding surface 310). Thereby, the edge processing of the workpiece | work 10 can be made.

Referring to FIG. 7C, vertex machining of the workpiece 10 is possible. The workpiece support unit 160 may be configured to grind the vertex of the workpiece 10 and the grinding wheel 300 while supporting the workpiece 10 such that the vertex of the workpiece 10 faces the grinding surface 310 of the grinding wheel 300. Contact surface 310. Thereby, the vertex processing of the workpiece | work 10 can be made.

As described above, the shaping device 100 according to the present invention can vary the arrangement angle of the work piece 10 with respect to the grinding surface 310 of the grinding wheel 300. Can be processed.

FIG.8 and FIG.9 is a figure which shows the shape of the workpiece processed using the shaping | molding grinding apparatus of this invention.

Referring to FIG. 8, the shaping device 100 may process the curved surface 11 of the work 10a. The curved surface 11 may be implemented in various shapes with a curvature set by a user.

9, the shaping | pulverization grinding apparatus 100 can process the several surface 12 and 13 with respect to the workpiece | work 10b. The plurality of surfaces 12 and 13 may be machined into various arrangement angles and shapes according to a user's setting.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment, Comprising: It should be interpreted by the attached Claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100: forming grinding device
110: base
120: transfer table
130: grinding wheel support
140: grinding wheel moving part
150: grinding wheel drive unit
160: workpiece support
161: support body
162: first rotating rod
163: first drive unit
164: second rotation rod
165: second drive unit
166: chucking unit
167: first sensor
168: second sensor
170: display unit
180, 190, 210: first to third operating panel

Claims (5)

Base;
A transfer table placed on an upper end of the base and movable relative to the base in an X-axis direction and a Y-axis direction;
A grinding wheel support fixed to the upper end of the base and provided in a Z-axis direction;
A grinding wheel moving unit movable in the Z-axis direction along the grinding wheel support unit;
A grinding wheel driving unit coupled to the grinding wheel moving unit and rotating the grinding wheel about the Y axis; And
Is installed on the transfer table, including a workpiece support for supporting the workpiece,
The workpiece support,
A support body fixed to the transfer table at a predetermined height in the Z-axis direction;
A first rotating rod installed on the support body and having a rotation axis parallel to the X axis direction and rotatable with respect to the support body;
A first driving part rotating the first rotating rod;
A second rotating rod coupled to the first rotating rod, the rotating shaft perpendicular to the rotating shaft of the first rotating rod, and rotatable with respect to the first rotating rod;
A second driving part rotating the second rotating rod; And
Forming grinding device fixed to the tip of the second rotary rod, comprising a chucking unit for chucking the workpiece. The method of claim 1,
The transfer table,
A first table installed at an upper end of the base and movable in the X-axis direction with respect to the base; And
A second table installed at an upper end of the first table and movable in the Y-axis direction with respect to the first table,
The support body is a shaping device that is fixed to the top of the second table. The method of claim 1,
The grinding wheel has a disk shape having a front, rear, and outer circumferential surface,
Wherein said front face is provided as a grinding surface. The method of claim 1,
And the chucking portion chucks the workpiece by magnetic force. The method of claim 1,
On the outer circumferential surface of the first rotating rod is formed a first rotating disk to rotate together with the first rotating rod,
On the outer circumferential surface of the second rotating rod is formed a second rotating disk to rotate together with the second rotating rod,
The workpiece support,
A first sensor measuring a rotation angle of the first rotating disk; And
Forming grinding apparatus further comprises a second sensor for measuring the rotation angle of the second rotating disk.