KR20230080187A - Fixing jig for frame processing for aircraft container - Google Patents

Abstract

The present invention relates to a fixing jig for processing a frame for an aircraft container, and more particularly, to a base frame; A first installation block installed on the base frame and having a first processing surface of the workpiece disposed upward, a first pressing member formed along the first installation block to support the upper surface of the workpiece, and 1 first fixing means formed along an installation block and composed of a first spring plunger for supporting one side of the workpiece; A second installation block installed on the base frame and disposed on one side of the first fixing means, the second processing surface of the workpiece being disposed upward, and formed along the second installation block to fix the workpiece to one side. a second fixing means composed of a second pressing member for supporting and a second spring plunger formed along the second installation block to support one side of the workpiece; And a third installation block installed on the base frame and disposed on one side of the second fixing means, the third processing surface of the workpiece being disposed upward, and formed along the third installation block to work the workpiece. A third fixing means including a third pressing member for supporting a side surface and a third spring plunger formed along the third installation block to support one side surface of the workpiece.

Description

Fixing jig for frame processing for aircraft container}

The present invention fixes the workpiece constantly so as not to deviate from the tolerance when fixing the workpiece to process the frame for an aircraft container, reduces the rate of defects in the workpiece during processing, and shortens the processing time to improve work efficiency and economic feasibility. It relates to a fixing jig for processing a frame for an aircraft container that can improve.

In general, a fixing jig used to process a product such as a frame is supplied to a machining center in a state in which the fixing jig is mounted on a base frame and a workpiece to be machined is fixed to the fixing jig.

In this way, the work piece supplied to the machining center by the fixing jig undergoes hole processing or drilling work according to the product's request. there is.

In response to these requests, there is an urgent need to develop a fixing jig capable of increasing machining precision in machining multiple surfaces of a workpiece.

Republic of Korea Patent Registration No. 10-1434550 (registered on August 20, 2014)

The present invention has been made to solve the above problems,

When fixing the workpiece to process the frame for aircraft containers, it fixes the workpiece constantly so that it does not deviate from the tolerance, reduces the rate of defects in the workpiece during processing, and improves work efficiency and economic feasibility by shortening the processing time. Sleeping is one purpose.

Another object of the present invention is to reduce the error to the operator as much as possible by introducing a uniform supporting force by the spring plunger when the workpiece is seated on the installation block.

A fixing jig for processing a frame for an aircraft container according to the present invention includes a base frame; A first installation block installed on the base frame and having a first processing surface of the workpiece disposed upward, a first pressing member formed along the first installation block to support the upper surface of the workpiece, and 1 first fixing means formed along an installation block and composed of a spring plunger for supporting one side of the workpiece; A second installation block installed on the base frame and disposed on one side of the first fixing means, the second processing surface of the workpiece being disposed upward, and formed along the second installation block to fix the workpiece to one side. a second fixing means including a second pressing member for supporting and a spring plunger formed along the second installation block to support one side of the workpiece; And a third installation block installed on the base frame and disposed on one side of the second fixing means, the third processing surface of the workpiece being disposed upward, and formed along the third installation block to work the workpiece. It includes; a third pressing member for supporting the side, and a third fixing means formed along the third installation block and composed of a spring plunger for supporting one side of the workpiece.

The spring plunger according to the present invention includes a fixing block disposed on one side of the first, second, and third installation blocks and mounted on the base frame, and a protrusion provided on the fixing block and protruding upward to be spaced apart from each other, It is characterized in that it comprises a support provided at an upper portion of each protrusion, and a plate spring having both ends fixed to the lower portion of the fixing block and disposed between the protrusions and having an upper end fixed to the support.

The first, second and third pressing members according to the present invention are hinged to the first, second and third cylinders disposed below the base frame and to the end of the piston rod of each cylinder to operate each cylinder It is characterized in that it comprises first, second and third pressing parts for contacting and supporting the workpiece according to.

According to the present invention, each pressing member of the second and third fixing means is arranged to support a plurality of points of the workpiece, and the supporting points by the first pressing member of the first fixing means are the second and third pressing members. It is characterized in that it is configured to support more points than the supporting points by.

The fixing jig for processing the frame for an aircraft container according to the present invention fixes the workpiece constantly so as not to deviate from the tolerance when fixing the workpiece to process the frame for the aircraft container, and reduces the rate of defects in the workpiece during processing. It can improve work efficiency and economic feasibility by shortening the processing time.

In addition, the present invention can reduce the error to the operator as much as possible by introducing a uniform supporting force by the spring plunger when the workpiece is seated on the installation block.

1 is a plan view showing a fixing jig for processing a frame for an aircraft container according to the present invention;
2 is a cross-sectional view showing a frame fixed by a fixing jig according to the present invention;
3 is a cross-sectional view showing a first fixing means of a fixing jig according to the present invention;
4 is a cross-sectional view showing a second fixing means of a fixing jig according to the present invention;
5 is a cross-sectional view showing a third fixing means of a fixing jig according to the present invention;
Figure 6 is a side view, a front view and a plan view showing the spring plunger of the fixing jig according to the present invention.

In order to explain the present invention and the operational advantages of the present invention and the objectives achieved by the practice of the present invention, the following describes a preferred embodiment of the present invention and references it.

First, the terms used in this application are used only to describe specific embodiments, and are not intended to limit the present invention, and singular expressions may include plural expressions unless the context clearly indicates otherwise. In addition, in this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other It should be understood that the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof is not precluded.

In describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

1 to 6, the fixing jig for processing the frame for an aircraft container according to the present invention includes a base frame 1, a first fixing means 10, a second fixing means 20, and a third fixing It consists of means (30).

In the base frame 1 according to the present invention, each fixing means is arranged in three rows, the first fixing means 10 is disposed on one side, the third fixing means 30 is disposed on the other side, and the second fixing means 20 ) is disposed between the first fixing means 10 and the third fixing means 30.

This arrangement structure is for convenience in arrangement, and the arrangement structure of each fixing means can be changed in design considering the processing order or processing convenience.

First, the work piece is a frame for an aircraft container, and the cross-sectional shape is configured as shown in FIG. 2 . In this case, when the workpiece P is fixed by the first fixing means 10, the first processing surface P1 is disposed upward, and the workpiece P is fixed by the second fixing means 20. In this case, the second processing surface P2 may be disposed upward. In addition, when the workpiece P is fixed by the third fixing means 30, the third processing surface P3 may be disposed upward. Surfaces other than the first to third processed surfaces P3 may be defined as unprocessed surfaces P4.

In this way, the machined surface and the non-machined surface P4 of the workpiece P can be changed according to the product, and in this case, each fixing means is given variability so that design changes can be easily made according to the workpiece P. .

However, in the following description, since machining is premised on a specific frame, the machined surface and the non-machined surface specified above will be described as standards.

1 to 3, the first fixing means 10 according to the present invention is mounted on the base frame 1 and includes a first installation block 11, a first pressing member 13 and a spring plunger ( 40).

First, the first fixing means 10 is a support for processing the first processing surface P1 of the workpiece P, and when the workpiece P is seated on the first installation block 11, the first processing surface It is arranged so that (P1) becomes an upper surface.

To this end, the first installation block 11 is formed along the longitudinal direction of the base frame 1, the first supporting block 11a for supporting the lower surface of the workpiece P, that is, the non-processing surface P4 A first protruding block 11b protruding upward is provided on one side of the first supporting block 11a to support the lower surface of the protruding surface P5 from the first processing surface P1.

In addition, the first pressing member 13 for supporting the workpiece P is configured to press and support the upper surface of the protruding surface P5 of the workpiece P, and the specific configuration is as follows.

That is, in the first pressing member 13, the first cylinder 14 mounted below the base frame 1 and the piston rod 14a of the first cylinder 14 protrude upward through the base frame 1. do. In addition, the first pressing part 15 is hinged to the end of the connecting rod 16 connected to the end of the piston rod 14a of the first cylinder 14. In this case, the upper part of the base frame 1 has a support block 19 is provided, and a link member 18 hinged to the support block 19 and the first pressing part 15 is provided.

Therefore, when the first cylinder 14 is operated and the piston rod 14a is drawn upward, the first pressing part 15 rotates to fix the workpiece P by pressing the projecting surface P5. In this case, a first contact member 17 for contacting and pressing the protruding surface P5 of the workpiece P is provided on the first pressing part 15 .

In this case, the protruding surface P5 of the workpiece P has a risk of deformation in that the material is thin and does not have a supported structure unlike other surfaces. Therefore, it is preferable to install a larger number than the pressing members of the second and third fixing means 30, and to apply pressure with a uniform pressing force. For example, if two pressing members are disposed in the second and third fixing means 30 as shown in the accompanying FIG. 1, four first pressing members 13 of the first fixing means 10 are arranged to workpiece ( It is desirable to be able to press more points of P).

In addition, in the present invention, a spring plunger 40 is introduced to support the workpiece P, and each spring plunger 40 of the first, second, and third fixing means 10, 20, and 30 has a structure is the same Therefore, a common description will be given after the structural description of the installation block and the pressing member of each fixing means.

1, 2 and 4, the second fixing means 20 according to the present invention includes a second installation block 21 mounted on the base frame 1, a second pressing member 23, and It is configured to include a spring plunger (40).

The second installation block 21 for this purpose is provided with a second supporting block 21a formed along the longitudinal direction on the upper surface of the base frame 1, and has a cross section of 'b' on one side of the upper surface of the second supporting block 21a. A second protruding block 21b of the form is provided. In this case, when the workpiece P is seated on the second installation block 21, the third processing surface P3 is supported by the second protrusion block 21b, and the end of the protrusion surface P5 of the workpiece P is in contact with the second supporting block (21a). Therefore, the workpiece P seated on the second installation block 21 may be arranged such that the second processing surface P2 is the upper surface.

In addition, the second pressing member 23 is configured to support the first processing surface P1 of the workpiece P, and the specific configuration is as follows.

That is, the second pressing member 23 consists of a second cylinder 24 mounted below the base frame 1 and a second pressing part 25 hinged to the piston rod 24a of the second cylinder 24. It consists of In addition, approximately the middle portion of the second pressing portion 25 is hinged to the base frame 1 by the pivot 27. In addition, a second contact member 26 for contacting and pressurizing the first processing surface P1 of the workpiece P is provided at the upper end of the second pressing unit 25 .

Therefore, when the second cylinder 24 is operated and the piston rod 24a is withdrawn, the second pressing part 25 rotates around the pivot 27 to form the first processing surface P1 of the workpiece P. pressurized and fixed.

In this case, the pressing point by the second fixing means 20 is the first processing surface P1 of the workpiece P, unlike the point supported by the first fixing means 10, it is composed of a structurally stable support structure. It is preferable to arrange two at a point.

1, 2 and 5, the third fixing means 30 according to the present invention includes a third installation block 31 mounted on the base frame 1, a third pressing member 33, and It is configured to include a spring plunger (40).

The third installation block 31 for this purpose is provided with a third supporting block 31a formed along the longitudinal direction on the upper surface of the base frame 1, and the cross section is 'b' on one side of the upper surface of the third supporting block 31a. A third protruding block 31b of the form is provided. In this case, when the workpiece P is seated on the third installation block 31, the second processing surface P2 is supported by the third protruding block 31b, and the workpiece P is the third processing surface P3. It can be arranged so that it becomes this top surface.

In addition, the third pressing member 33 is configured to support the non-processing surface P4 of the workpiece P, and the specific configuration is as follows.

That is, the third pressing member 33 is a third cylinder 34 mounted below the base frame 1 and a third pressing part 35 hinged to the piston rod 34a of the third cylinder 34. It consists of In addition, an approximately middle portion of the third pressing portion 35 is hinged to the base frame 1 by a pivot 37. In addition, a third contact member 36 for contacting and pressurizing the first processing surface P1 of the workpiece P is provided at the upper end of the third pressing unit 35 .

Therefore, when the third cylinder 34 is operated and the piston rod 34a is pulled out, the third pressing part 35 rotates around the pivot to press and fix the unprocessed surface P4 of the workpiece P. .

In this case, the pressing point by the third fixing means 30 is the unprocessed surface P4 of the workpiece P, and unlike the point supported by the first fixing means 10, it is composed of a structurally stable support structure. It is preferable to arrange two in .

Furthermore, in the case of the second and third pressing members 23 and 33 in the second fixing means 20 and the third fixing means 30 according to the present invention, the second provided in each pressing part 15 and 25 The contact member 26 and the third contact member 36 have a donut-shaped joint 60 built into the end of each pressing part, so that when each contact member contacts the support surface of the workpiece P, complete surface contact is achieved. It is also desirable to allow the pressure surface to be adjusted within a certain range so as to be pressurized.

In addition, stripper bolts 50 are provided at a plurality of points in each installation block 11, 21, 31 of the first fixing means 10 to the third fixing means 30 to reinforce the bearing capacity. possible.

As described above, the spring plunger 40 provided in the first fixing means 10 to the third fixing means 30 according to the present invention is configured as follows.

That is, as shown in FIGS. 1 and 5, a fixing block 41 disposed on one side of the first, second, and third installation blocks 11, 21, and 31 and mounted on the base frame 1, and fixed Both ends are fixed to the lower part of the protrusions 42 provided on the block 41 and protruding upward and spaced apart from each other, the support 43 provided on the upper part of each protrusion 42, and the fixing block 41, , It is configured to include a leaf spring 44 disposed between the protrusions 42 and having an upper end fixed to the support part 43.

In the spring plunger 40 configured as described above, the plate spring 44, that is, the steel sheet, protrudes convexly to the side to exert an elastic force on the contact surface of the workpiece to stably press and support it.

In this case, the spring plunger 40 of the first fixing means 10 supports the plate spring 44 on the second processing surface P2 of the workpiece P, and the spring plunger of the second fixing means 20 ( 40), the plate spring 44 supports the first processing surface P1 of the workpiece P, and the spring plunger 40 of the third fixing means 30 has the plate spring 44 supporting the workpiece P1. ) to support the unprocessed surface (P4).

In addition, the spring plunger 40 is made of stainless steel to prevent corrosion, and in particular, in the case of the workpiece P having a certain height or less, it has a down-hold effect and is advantageously seated on the bottom surface without lifting.

As shown in FIG. 6, the spring plunger 40 configured as described above is disposed at two places on the side of each installation block so as to support the side of the workpiece P, and the shear or end to support either end of the workpiece P. It is possible to arrange at the rear end, or at both the front and rear ends. However, the installation location can be increased or decreased depending on the size or structure of the workpiece P.

On the other hand, the fixing jig according to the present invention is configured as described above, and while the base frame 1 is supplied to the machining center, hole processing or drilling work is performed on the processing surface of the workpiece P, and at this time, each processing surface is fixed. Processing precision can be increased by allowing the jig to be placed in an accurate processing position.

As such, the present invention has been described with reference to one embodiment shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments therefrom. will understand

Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

P: Workpiece
P1: 1st processing surface P2: 2nd processing surface
P3: 3rd machined surface P4: non-machined surface
1: base frame
10: first fixing means
11: first installation block 11a: first support block
11b: first protruding block 13: first pressing member
14: first cylinder 14a: piston rod
15: first pressing part 16: connecting rod
17: first contact member 18: link member
19: support block
20: second fixing means
21: second installation block 21a: second support block
21b: second protruding block 23: second pressing member
24: second cylinder 24a: piston rod
25: second pressing part 26: second contact member
27: pivot
30: third fixing means
31: third installation block 31a: third support block
31b: third protrusion block 33: third pressing member
34: third cylinder 34a: piston rod
35: third pressing part 36: third contact member
37: pivot
40: spring plunger
41: fixed block 42: protrusion
43: support 44: plate spring
50: stripper bolt
60: joint

Claims (4)

base frame (1);
The first installation block 11 installed on the base frame 1 and having the first processing surface P1 of the workpiece P disposed upward, and formed along the first installation block 11 to avoid The first pressing member 13 for supporting the upper surface of the workpiece P and the spring plunger 40 formed along the first installation block 11 to support one side of the workpiece P The first fixing means 10 configured;
It is installed on the base frame 1 and disposed on one side of the first fixing means 10,
The second installation block 21 in which the second processing surface P2 of the workpiece P is disposed upward, and formed along the second installation block 21 to support the workpiece P on one side A second fixing means (20) composed of a second pressing member (23) for support and a spring plunger (40) formed along the second installation block (21) to support one side of the workpiece (P). ; and
It is installed on the base frame 1 and disposed on one side of the first fixing means 10,
A third installation block 31 on which the third processing surface P3 of the workpiece P is disposed upward, and is formed along the third installation block 31 to support one side of the workpiece P. A third fixing means (30) composed of a third pressing member (33) and a spring plunger (40) formed along the third installation block (31) to support one side of the workpiece (P). );
A fixed jig for processing the frame for an aircraft container, including a.
The method of claim 1, wherein the spring plunger (40)
A fixing block 41 disposed on one side of the first, second, and third installation blocks 11, 21, and 31 and mounted on the base frame 1;
Protrusions 42 provided on the fixing block 41 and protruding upward to be spaced apart from each other;
A support portion 43 provided on an upper portion of each of the protrusions 42;
Frame processing for an aircraft container, characterized in that it comprises a leaf spring 44 having both ends fixed to the lower part of the fixing block 41 and disposed between the protrusions 42 and having an upper end fixed to the support part 43 fixed jig for
The method of claim 2, wherein the first, second and third pressing members (13) (23) (33)
First, second and third cylinders 14, 24, 34 disposed under the base frame 1,
First, second and third pressing parts 15 hinged to the ends of the piston rods 14a, 24a, and 34a of each cylinder to contact and support the workpiece P according to the operation of each cylinder ) (25) (35) A fixed jig for processing a frame for an aircraft container, characterized in that it is made up.
According to claim 1,
The first pressing member (23, 33) of the second and third fixing means (20, 30) of the first fixing means (10) supports a plurality of points of the workpiece (P). The supporting point by 13) is configured to support more points than the supporting points by the second and third pressing members 23 and 33. A fixing jig for processing a frame for an aircraft container.

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