KR101986494B1 - Clamping apparatus and machining apparatus using the same - Google Patents

Clamping apparatus and machining apparatus using the same Download PDF

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Publication number
KR101986494B1
KR101986494B1 KR1020150058818A KR20150058818A KR101986494B1 KR 101986494 B1 KR101986494 B1 KR 101986494B1 KR 1020150058818 A KR1020150058818 A KR 1020150058818A KR 20150058818 A KR20150058818 A KR 20150058818A KR 101986494 B1 KR101986494 B1 KR 101986494B1
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KR
South Korea
Prior art keywords
block
inclined surface
plate
workpiece
along
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KR1020150058818A
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Korean (ko)
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KR20160127423A (en
Inventor
김철현
Original Assignee
주식회사 킴스인터내셔널
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Priority to KR1020150058818A priority Critical patent/KR101986494B1/en
Publication of KR20160127423A publication Critical patent/KR20160127423A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/04—Clamps with pivoted jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means

Abstract

A clamping device for clamping a workpiece according to an embodiment of the present invention includes a base block having a first inclined surface formed on one side thereof and a first reverse surface for maintaining surface contact with the first inclined surface, A first block supported by the first block and being lowered along the first inclined surface integrally with the first block to press the material to be processed downward and downward, And a lifting and lowering driving unit for lifting the first block along the first inclined surface. The elevating and lowering driving unit includes a lifting unit for lifting the first block along the first inclined surface.

Description

[0001] Clamping apparatus and machining apparatus including same [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a clamping apparatus and a machining apparatus including the clamping apparatus, and more particularly to a clamping apparatus for clamping a workpiece and a machining apparatus including the same.

In order to form or pattern the workpiece, or to perform processing such as drilling, the workpiece is to be fixed to the shelf of the machining apparatus.

For stable processing of the workpiece, the workpiece must be fixed simultaneously in the horizontal and vertical directions.

To this end, a workpiece is fixed by separately forming a mechanism for applying a horizontal force to the workpiece and a mechanism for applying a force in the vertical direction.

In addition to the time required for machining the workpiece, it takes considerable time to align the workpiece on the shelf of the machining apparatus, to fix the workpiece, and to separate the machined workpiece from the shelf. .

A problem to be solved by the present invention is to provide a clamping device that effectively fixes a workpiece to a single apparatus.

Another object of the present invention is to provide a machining apparatus in which the time required for aligning, fixing, and separating the workpiece is minimized in addition to the time required for machining the workpiece.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a clamping device for clamping a workpiece, the clamping device comprising: a base block having a first inclined surface formed on one side thereof; A first block supported by the first block and descending along the first inclined surface integrally with the first block, the first block being slidably formed to be movable along the first inclined surface, And a lifting and driving unit for lifting the first block along the first inclined surface, and a clamping arm for lifting along the first inclined surface integrally with the first block and releasing the pressurization to the material to be processed.

According to an aspect of the present invention, there is provided a machining apparatus including a main plate, a sub-plate detachably mounted on one surface of the main plate, a plurality of And a plurality of clamping devices mounted on one surface of the sub plate so as to correspond one-to-one with the plurality of jig plates and fixing the work materials on the jig plate, wherein the plurality of jig plates and the plurality of clamping devices The apparatus is coupled to the main plate integrally with the sub-plate or separated from the main plate. The clamping device includes a base block having a first inclined surface formed on one side thereof, a first reverse- Is formed so as to be movable along the first inclined surface The first block is supported by the first block and is lowered along the first inclined surface integrally with the first block to press the material to be processed downwardly and integrally with the first block, And a lifting and driving unit for lifting and lowering the first block along the first inclined surface.

Other specific details of the invention are included in the detailed description and drawings.

The embodiments of the present invention have at least the following effects.

A single clamping device can simultaneously fix the workpiece in the vertical and horizontal directions.

It is possible to minimize the time required for aligning, fixing, and separating the workpiece in addition to the time required for the processing of the workpiece.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

1 is a perspective view showing a machining apparatus according to an embodiment of the present invention.
2 is a perspective view showing a disassembled state of a main plate and a sub plate of a machining apparatus according to an embodiment of the present invention.
3 is a bottom view of a sub-plate of a machining apparatus according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view schematically showing a coupling relationship between a main plate and a sub-plate of a machining apparatus according to an embodiment of the present invention.
5 is a perspective view illustrating a clamping device according to an embodiment of the present invention.
6 and 7 are schematic cross-sectional views of a clamping device according to an embodiment of the present invention.
8 is a perspective view showing a state in which a workpiece is fixed using a clamping device according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Further, the embodiments described herein will be described with reference to cross-sectional views and / or schematic drawings that are ideal illustrations of the present invention. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. In addition, in the drawings of the present invention, each component may be somewhat enlarged or reduced in view of convenience of explanation. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described with reference to the accompanying drawings, which illustrate a clamping apparatus and a machining apparatus including the same according to an embodiment of the present invention.

1 is a perspective view showing a machining apparatus according to an embodiment of the present invention.

1, a processing apparatus 1 according to an embodiment of the present invention includes a main plate 10, a sub-plate 20, a jig plate 40, a clamping device 100, (30) and the like.

The main plate 10 is a plate-shaped member which is fixedly installed on the machining apparatus 1, and one surface on which the sub-plate 20 is seated is entirely flat.

As shown in FIG. 1, a sub-plate fixing unit 30 is installed on both sides of the main plate 10. The subplate fixing unit 30 supports both sides of the subplate 20 mounted on the main plate 10 to fix the subplate 20 to the main plate 10.

1, each sub-plate fixing unit 30 includes a pair of pivot support ends 32 and 33 provided on one surface of the main plate 10, a pair of pivot support ends 32 and 33, And a pressing member 31 rotatably supported between the first and second supporting members 32 and 33.

The pressing member 31 presses down one surface of the sub-plate 20 seated on the main plate 10 to fix the sub-plate 20 to the main plate 10. The pivot support ends 32 and 33 can be configured such that the pushing member 31 can be fixed while pressing the sub-plate 20.

When the sub-plate 20 is detached from the main plate 10, the pressing member 31 is rotated to the outside of the sub-plate 20 to release the pressing on one surface of the sub-plate 20 Reference).

The sub-plate fixing unit 30 shown in Fig. 1 shows an example of a structure in which the sub-plate 20 is fixed to the main plate 10 or the sub-plate 20 is detachable from the main plate 10 , The structure of the sub-plate fastening unit 30 can be changed to perform the same or similar functions.

As shown in FIG. 1, a plurality of jig plates 40 are installed on one surface of the sub-plate 20.

The jig plate (40) is a structure in which the material to be processed is seated. 1 shows an example in which three jig plates 40 are arranged in a row on one surface of a sub plate 20 but a plurality of jig plates 40 are provided on a surface of the sub plate 20 according to the number of materials to be processed at the same time, The number and arrangement of the plates 40 may vary.

The outline of the jig plate 40 may vary depending on the outline of the material to be processed. Fig. 1 shows a jig plate 40 on which a workpiece having a substantially rectangular outline is seated.

1, a clamping device 100 is provided adjacent to one corner of each jig plate 40, and the clamping device 100 is provided adjacent to the other corner in the diagonal direction of one corner, (41, 42) are installed.

The stoppers 41 and 42 include a first stopper 41 and a second stopper 42 provided at the other corner and configured to support the side surface of the material to be processed which is seated on the jig plate 40. 1, a third stopper 43 may be further provided on a long side of the long side of the jig plate 40 facing the clamping device 100. As shown in FIG. This is for more stably supporting the material to be processed which is seated on the jig plate 40.

A detailed description of the clamping device 100 will be described later.

FIG. 2 is a perspective view showing a disassembled state of a main plate and a sub-plate of a machining apparatus according to an embodiment of the present invention, FIG. 3 is a view showing a bottom surface of a sub-plate of a machining apparatus according to an embodiment of the present invention And FIG. 4 is a cross-sectional view schematically illustrating a coupling relationship between a main plate and a sub-plate of a machining apparatus according to an embodiment of the present invention.

As shown in FIGS. 2 and 4, a plurality of alignment pins 60 are provided on one surface of the main plate 10 so as to protrude at least partially from one surface.

3 and 4, a plurality of alignment grooves 21 corresponding to the plurality of alignment pins 60 are formed on the back surface of the sub-plate 20 to be recessed inwardly of the sub-plate 20 .

The alignment grooves 21 formed on the back surface of the sub-plate 20 may be formed to correspond one-to-one with the alignment pins 60 formed on one surface of the main plate 10. Alternatively, the alignment grooves 21 formed on the back surface of the sub-plate 20 are formed in a larger number than the alignment pins 60 formed on one surface of the main plate 10, and some alignment grooves 21 are formed on the alignment pins 60 And the remaining alignment grooves may not be received by the alignment pins 60.

The machining apparatus 1 according to the embodiment of the present invention has a configuration in which the sub-plate 20 is detached from the main plate 10 so that the sub- 10).

For this purpose, the alignment pins 60 and the alignment grooves 21 serve to align the positions where the sub-plates 20 are seated on the main plate 10. [ That is, the alignment pins 60 and the alignment grooves 21 are previously formed at positions corresponding to each other, and the sub-plate 20 is fixed to one surface of the main plate 10 so that the alignment pins 60 are inserted into the alignment grooves 21. [ The alignment of the sub-plates 20 is completed, so that there is no need to separately work for aligning the sub-plates 20. [

2 and 4, the aligning pin 60 has an insertion end 63 inserted into the main plate 10 and a stepped portion 63 which forms a step with the insertion end 63, And includes a protruding end 62 projecting on one surface and a contact member 61.

The insertion end 63 is formed as a press-fit pin type so that the alignment pin 60 can be inserted into a predetermined position on one side of the main plate 10.

The projecting end 62 may have a shape in which the sectional area gradually becomes narrower from one surface of the main plate 10 toward the top. 2, a truncated cone is shown as an example of the shape of the protruding end 62, but it may have a shape of a polygonal prism.

The contact member 61 is provided so that at least a part thereof protrudes on the outer surface of the protruding end 62. 4 shows an example in which a spherical contact member 61 is partially inserted into the outer surface of the protruding end 62 as an example of the contact member 61. However, As shown in FIG.

4, the alignment groove 21 may have a shape such that the opening area is gradually narrowed toward the inside of the sub-plate 20, similar to the shape of the projecting end 62 of the alignment pin 60 . The alignment groove 21 is preferably formed to have an inner diameter slightly larger than the outer diameter of the projecting end 62.

4, the protruding end 62 of the aligning pin 60 and the contact member 61 are aligned with the alignment grooves 21 (see FIG. 4) in a state in which the sub-plate 20 is seated on one surface of the main plate 10 ). Then, the contact member 61 maintains point contact with the alignment groove 21. The contact member 61 is in point contact with the alignment groove 21 so that the operation of separating the sub plate 20 from the main plate 10 can be facilitated.

Hereinafter, a clamping device according to an embodiment of the present invention will be described in detail.

FIG. 5 is a perspective view illustrating a clamping apparatus according to an embodiment of the present invention, and FIGS. 6 and 7 are schematic cross-sectional views of a clamping apparatus according to an embodiment of the present invention.

5, a clamping apparatus 100 according to an embodiment of the present invention includes a base block 110, a first block 130, a second block 140, a third block 120, A shaft 152, a clamping arm 170, and the like.

The base block 110 is installed on one side of the sub-plate 20.

The base block 110 supports the first block 130 and the third block 120. The second block 140 is supported on the first block 130 and the third block 120 and positioned on the upper portion of the base block 110.

5 to 7, the base block 110 is formed with a central portion through which a part of the shaft 152 passes, and is screwed to the shaft 152. The shaft 152 is installed to be raised / lowered with respect to the base block 110 in accordance with the rotation direction.

The V-shaped first inclined surfaces 111a and 111b are formed on one side of the base block 110 and the second inclined surfaces 112a and 112b are formed on the other side of the base block 110 in a V shape that is substantially symmetrical with the first inclined surfaces 111a and 111b. Is formed.

The first block 130 includes V-shaped first reverse slopes 131a and 131b to be engaged with the first slopes 111a and 111b of the base block 110. The first block 130 extends upward from the first reverse slopes 131a and 131b and includes V-shaped third inclined surfaces 132a and 132b formed substantially symmetrically with the first reverse slopes 131a and 131b ).

The third block 120 includes second V-shaped reversely inclined surfaces 121a and 121b that are formed to coincide with the second inclined surfaces 112a and 112b of the base block 110. [ The third block 120 extends upward from the second reverse slopes 121a and 121b and has a V-shaped fourth inclined surfaces 122a and 122b formed substantially symmetrically with the second reverse slopes 121a and 121b ).

The first block 130 and the third block 120 may be formed approximately symmetrically about the shaft 152.

The second block 140 has a shape symmetrical with the base block 110 in a substantially vertical direction and has a V-shaped third reverse slope surface 132a, 132b formed at one side thereof and cooperating with the third slanted surfaces 132a, 132b of the first block 130, Shaped fourth reverse slopes 142a and 142b are formed on the other side of the third block 120 to be engaged with the fourth slopes 122a and 122b.

The second block 140 is formed so that a central portion of the second block 140 penetrates through the shaft 152. The second block 140 moves up and down integrally with the shaft 152 when the shaft 152 is moved up and down with respect to the base block 110 so that the first block 130 and the third block 120 To move along the first inclined surfaces 111a and 111b and the second inclined surfaces 112a and 112b of the base block 110. [

6 and 7, the shaft 152 is installed through the second block 140 and the base block 110. As shown in FIG.

The lower end of the shaft 152 is inserted into the shaft engaging hole 22 formed in the sub-plate 20. A thread is formed on the inside of the shaft engagement hole 22 to engage with a thread formed on the outer surface of the shaft 152.

A handle bar 150 rotatably supported by the second block 140 is formed at an upper end of the shaft 152. The handle bar 150 is formed so as to have a predetermined length on the side of the shaft 152 so that the operator can easily rotate the shaft 152. The handle bar 150 is integrally formed with the shaft 152 or is fixed to the shaft 152 so as to rotate together with the shaft 152. [

The handle bar 150, the shaft 152 and the second block 140 may be an elevation driving unit for elevating the first block 130 and the third block 120 against the base block 110.

The first block 130 is provided with a support plate 160 for supporting the clamping arm 170. The support plate 160 is coupled to the side of the first block 130 using at least one bolt 163.

A pair of lugs 161 and 162 are protrudingly formed on one surface of the support plate 160 at regular intervals. The arm pivot shaft 164 is formed so as to connect the pair of lugs 161, 162.

The clamping arm 170 includes a first arm 172 and a second arm 173 extended from the arm base 171 so as to be pivotally mounted on the arm pivot shaft 164 do.

The pair of lugs 161 and 162 support the upper and lower surfaces of the arm base 171, respectively, so as to maintain the clamping arm 170 in a horizontal state.

The first arm 172 and the second arm 173 extend from the arm base 171 substantially perpendicular to each other. An uneven surface 172a is formed on the end side of the surface of the first arm 172 which is in contact with the work material. Similarly, an uneven surface 173a is also formed on the end side of the surface of the second arm 173 which is in contact with the workpiece. The uneven surfaces 172a and 173a are configured to allow the first arm 172 and the second arm 173 to sandwich the materials to be processed more firmly.

A stopper 53 is located behind the third block 120. A stopper 53 is provided on one side of the sub-plate 20 to support the rear of the third block 120 when the clamping device 100 is operated to fix the work piece (see FIG. 7).

5, the first block 130 and the third block 120 are elastically supported by the elastic member 180. As shown in FIG.

To this end, a first support end 133 protruding laterally is formed on one side of the first block 130, a second support end 123 protruding laterally on one side of the second block 140, .

The elastic member 180 is formed in a closed loop shape so that one side of the inside of the closed loop is supported by the first supporting end 133 and the other side inside the closed loop is supported by the second supporting end 123 do.

A clip member 190 may be provided between the elastic member 180 and the first block 130 and the third block 120. The clip member 190 is installed to cross one side of the first block 130 and the third block 120 and may be formed to surround a part of the central portion of the elastic member 180.

The clip member 190 guides the extension direction of the elastic member 180 and the elastic member 180 is disposed between the first block 130 and the second block 140 and / Thereby preventing the block 120 from being caught between the blocks.

1, the base block 110 is supported on both sides of the clamping device 100 and the stoppers 51 and 52 for guiding the moving directions of the first block 130 and the third block 120 are provided, 52, respectively.

8 is a perspective view showing a state in which a workpiece is fixed using a clamping device according to an embodiment of the present invention.

Hereinafter, the operation of the clamping device according to an embodiment of the present invention will be described with reference to FIGS. 6 to 8. FIG.

The state shown in Fig. 6 shows a state before the clamping device 100 fixes the material to be processed S, and the state shown in Fig. 7 shows a state in which the clamping device 100 fixes the material to be processed S Respectively.

6, when the worker rotates the handlebar 150 in one direction, the shaft 152 rotates and descends toward the sub-plate 20, as shown in Fig.

As a result, the second block 140 descends together with the shaft 152 to narrow the distance from the base block 110 and move the first block 130 and the third block 120 downward. The second block 140 may be slid along the third slopes 132a and 132b of the first block 130 and the fourth slopes 122a and 122b of the third block 120. [

The first block 130 descends along the first inclined surfaces 111a and 111b of the base block 110 and the third block 120 descends along the second inclined surfaces 112a and 112b of the base block 110 Down.

The first block 130 is advanced to the clamping arm 170 side by the first inclined faces 111a and 111b and the third block 120 is moved downward by the second inclined faces 112a and 112b. 53).

The clamping arm 170 moves integrally with the first block 130 and advances and descends in the same manner as the first block 130. As shown in Fig. 8, .

Since the clamping arm 170 is rotatably installed on the support plate 160 and rotates in correspondence with the shape of one corner of the material to be processed S and approaches the one corner of the material to be processed S, It is possible to stably hold one corner.

The other corner of the workpiece S is supported by the plurality of stoppers 41 and 42 provided adjacent to the jig plate 40 so that the clamping arm 170 advances to the side of the workpiece S, The work piece S is fixed on the jig plate 40 in the horizontal direction.

The clamping arm 170 advances toward the workpiece S and simultaneously descends in the diagonal direction and clamps one corner of the workpiece S so that the workpiece S is pushed toward the jig plate 40, (S) is also fixed in a direction perpendicular to the jig plate (40).

That is, since the clamping arm 170 advances and descends in the diagonal direction and holds one side corner of the material to be processed S, a clamping force acting sideways and downward acts simultaneously on the material to be processed S.

The work piece S can be moved to the jig plate 40 only by the operation of the clamping arm 170 without using a separate fixing pin for fixing the workpiece S in the vertical direction on the jig plate 40. [ In the horizontal direction and in the vertical direction.

When it is desired to release the fixation with respect to the material to be processed S, the worker rotates the handlebar 150 in the other direction. So that the shaft 152 rotates and rises relative to the sub-plate 20.

As a result, the second block 140 moves up with the shaft 152 to be spaced from the base block 110, and at the same time, the pressing force of the first block 130 and the third block 120 is weakened Removed.

The first block 130 and the third block 120 are resiliently supported by the elastic member 180 so that the first block 130 and the third block 120 are reciprocated by the elastic restoring force of the elastic member 180, The distance between them is narrowed again. The first block 130 rises along the first inclined surfaces 111a and 111b of the base block 110 and the second block 140 rises along the second inclined surfaces 112a and 112b of the base block 110 .

At the same time, the clamping arm 170 moves integrally with the first block 130, releasing the force of pressing one corner of the material to be processed S vertically and horizontally.

As described above, the machining apparatus 1 according to the embodiment of the present invention can simultaneously clamp the workpiece S on the jig plate 40 in the vertical and horizontal directions by using the clamping device 100.

The machining apparatus 1 according to the embodiment of the present invention is provided with a plurality of jig plates 40 and a clamping device 100 on a sub plate 20 so that machining Processing can be performed.

The machining apparatus 1 according to an embodiment of the present invention includes a subplate 20 having a plurality of jig plates 40 and a clamping device 100 detachably mounted on the main plate 10 .

Therefore, after the sub-plate 20 is coupled to the main plate 10 and the machining process for a plurality of materials to be processed S is completed, the worker places a plurality of materials to be processed S, The new sub-plate 20 is fixed to the main plate 10 and the new sub-plate 20 is fixed to the new workpiece S You can start processing immediately.

The work of fixing the new work pieces S to the new sub-plate 20 can be performed while the other work pieces S are being processed on the main plate 10. [

When the sub-plate 20 separated from the main plate 10 is moved to an adjacent place or a separate place after the machining process for a plurality of materials to be processed S is completed, the worker presses the plurality of materials to be processed (S) from the sub-plate (20).

Therefore, the machining apparatus 1 according to the embodiment of the present invention does not fix or release the material to be processed S on the main plate 10 on which the machining is performed, So that the production time can be reduced by increasing the production amount of the materials S to be processed.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

1: machining apparatus 10: main plate
20: Subplate 21: Alignment groove
22: shaft coupling hole 30: subplate fixing unit
31: pushing member 32, 33:
40: jig plate 41, 42, 43, 51, 52, 53: stopper
60: alignment pin 61: contact member
62: projecting end 63: insertion end
100: clamping device 110: base block
111a, 111b: first inclined surfaces 112a, 112b: second inclined surfaces
120: Third block 121a, 121b:
122a, 122b: fourth inclined surface 130: first block
131a, 131b: first reverse slopes 132a, 132b: third slopes
140: second block 141a, 141b: third reverse slope surface
142a, 142b: fourth reverse slope 150: handle bar
152: shaft 160: support plate
161, 162: Lug 164:
170: clamping arm 171: female base
172: first arm 172a, 173a: uneven surface
173: second arm 180: elastic member
190: clip member

Claims (19)

A clamping device for clamping a workpiece,
A base block having a first inclined surface formed on one side thereof;
A first block formed with a first reverse slope for maintaining surface contact with the first slopes and movably installed along the first slopes;
The first block is supported by the first block and descends along the first inclined surface integrally with the first block and presses the material to be processed downwardly and downwardly along the first inclined surface integrally with the first block, A clamping arm releasing pressure on the workpiece; And
And an elevation driving unit for elevating and lowering the first block along the first inclined surface,
The elevation drive unit includes:
A second block supported by the first block and
And a shaft penetrating the second block,
When the shaft rotates in one direction, a gap between the second block and the base block is narrowed, the first block descends along the first inclined surface, and the clamping arm moves integrally with the first block The workpiece is advanced toward the workpiece to press the workpiece downward,
When the shaft rotates in the other direction, the distance between the second block and the base block is increased, the first block is moved along the first inclined surface, and the clamping arm is moved integrally with the first block And retracts from said workpiece and releases pressure on said workpiece. The method according to claim 1,
And the clamping arm is rotatably installed with respect to the first block. 3. The method of claim 2,
The clamping arm
A first arm for supporting one side of a corner of the material to be processed;
And a second arm extending from the first arm and supporting the other corner of the work piece. delete The method according to claim 1,
Wherein the base block has a second inclined surface formed on the other side thereof,
Further comprising a third block formed with a second reverse slope for maintaining surface contact with the second slope and movable along the second slope and supporting the second block together with the first block,
Wherein when the shaft rotates in one direction, a gap between the second block and the base block is narrowed, the third block descends along the second inclined surface,
Wherein when the shaft rotates in the other direction, a gap between the second block and the base block is widened, and the third block rises along the second inclined surface. 6. The method of claim 5,
Further comprising an elastic member elastically supporting the first block and the third block,
Wherein when the shaft rotates in the other direction, an interval between the first block and the third block becomes narrower due to an elastic restoring force of the elastic member, and the first block and the third block are spaced apart from the first inclined surface and the second inclined surface, respectively, And ascends along a second inclined plane. The method according to claim 6,
Wherein the first block includes a first supporting end protruding laterally,
The third block includes a second support end protruding laterally,
Wherein one side of the elastic member is supported by the first supporting end and the other side of the elastic member is supported by the second supporting end to elastically support the first block and the third block. A main plate;
A subplate detachably installed on one surface of the main plate;
A plurality of jig plates provided on one surface of the sub plate and on which the materials to be processed are seated; And
And a plurality of clamping devices mounted on one surface of the sub plate so as to correspond to the plurality of jig plates in a one-to-one correspondence, the clamping devices fixing the materials to be processed on the jig plate,
Wherein the plurality of jig plates and the plurality of clamping devices are coupled to or separated from the main plate integrally with the sub-
The clamping device comprises:
A base block having a first inclined surface formed on one side thereof;
A first block formed with a first reverse slope for maintaining surface contact with the first slopes and movably installed along the first slopes;
The first block is supported by the first block and descends along the first inclined surface integrally with the first block and presses the material to be processed downwardly and downwardly along the first inclined surface integrally with the first block, A clamping arm releasing pressure on the workpiece; And
And an elevation driving unit for elevating and lowering the first block along the first inclined surface,
Further comprising a plurality of alignment pins protruding from one surface of the main plate,
And a plurality of alignment grooves formed on the back surface of the sub-plate to correspond to positions of the alignment pins. delete 9. The method of claim 8,
Wherein the alignment pin is formed such that a cross-sectional area of the alignment pin gradually decreases from one surface of the main plate toward an upper surface thereof,
And the alignment groove is formed so that an opening area thereof gradually decreases toward the inside of the sub-plate. 11. The method according to claim 8 or 10,
Wherein the alignment pin includes at least one contact member protruding from an outer surface of the alignment pin to maintain point contact with the alignment groove when the sub-plate is seated on one surface of the main plate. 9. The method of claim 8,
Wherein the sub-plate is coupled to the main plate in a state where the materials to be processed are respectively mounted on the plurality of jig plates,
And when the processing to the material to be processed is completed, the material to be processed is separated from the main plate with each being placed on the plurality of jig plates. 9. The method of claim 8,
Further comprising: a plurality of subplate fixing units mounted on the main plate, the plurality of subplate fixing units fixing the subplate mounted on one surface of the main plate to the main plate. 9. The method of claim 8,
And the clamping arm is rotatably installed with respect to the first block. 15. The method of claim 14,
The clamping arm
A first arm for supporting one side of a corner of the material to be processed;
And a second arm extending from the first arm and supporting the other corner of the work piece. 9. The method of claim 8,
The elevation drive unit includes:
A second block supported by the first block and
And a shaft threaded through at least one of the base block and the subplate through the second block,
When the shaft rotates in one direction, a gap between the second block and the base block is narrowed, the first block descends along the first inclined surface, and the clamping arm moves integrally with the first block The workpiece is advanced toward the workpiece to press the workpiece downward,
When the shaft rotates in the other direction, an interval between the second block and the base block is increased, the first block is moved along the first inclined surface, and the clamping arm is moved integrally with the first block And retracts from said workpiece to release pressure on said workpiece. 17. The method of claim 16,
Wherein the base block has a second inclined surface formed on the other side thereof,
Further comprising a third block formed with a second reverse slope for maintaining surface contact with the second slope and movable along the second slope and supporting the second block together with the first block,
Wherein when the shaft rotates in one direction, a gap between the second block and the base block is narrowed, the third block descends along the second inclined surface,
Wherein when the shaft rotates in the other direction, a gap between the second block and the base block is widened, and the third block rises along the second inclined surface. 18. The method of claim 17,
Further comprising an elastic member elastically supporting the first block and the third block,
Wherein when the shaft rotates in the other direction, an interval between the first block and the third block becomes narrower due to an elastic restoring force of the elastic member, and the first block and the third block are spaced apart from the first inclined surface and the second inclined surface, respectively, And rises along a second inclined plane. 19. The method of claim 18,
Wherein the first block includes a first supporting end protruding laterally,
The third block includes a second support end protruding laterally,
Wherein one side of the elastic member is supported by the first supporting end and the other side of the elastic member is supported by the second supporting end to elastically support the first block and the third block.
KR1020150058818A 2015-04-27 2015-04-27 Clamping apparatus and machining apparatus using the same KR101986494B1 (en)

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CN108058036A (en) * 2018-01-17 2018-05-22 苏州精锐精密机械有限公司 Accurate auto parts process fixed jig
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