Workbench plate convenient for fixing aeronautical metal workpiece

Abstract

The utility model relates to a work table board convenient for fixing aeronautical metal workpieces, which comprises a work table board body, a plurality of first pin holes and second pin holes with different diameters are arranged on the surface of one side of the work table board body, and positioning pins can be mounted in the first pin holes and the second pin holes. A plurality of first round holes are further formed in the surface of the working table body; the diameter of the first pin hole and the diameter of the second pin hole are different, for a workpiece to be machined, a hole site used for fixing is reserved in the clamp, the hole site can be aligned with the first pin hole or the second pin hole, the design shows that the clamp can be matched with hole sites in different workpieces in the actual operation process, and the machining precision is improved. The whole tool has better universality, and convenience is brought to production and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool equipment technical field, concretely relates to a workbench board convenient to fix aviation metal processing piece. BACKGROUND

[0002] Mechanical processing refers to the process of changing the shape, size or performance of workpiece by mechanical equipment, and numerical control machine tool is the most widely used mechanical equipment in mechanical processing field, which can be used for machining parts of various products, and when blank is machined by numerical control machine tool, the blank to be machined needs to be clamped and positioned.

[0003] The aviation metal processing piece is complex in shape and needs to ensure mechanical structural strength for weight reduction, so high machining precision and thin overall machining of the metal piece are required, and for small parts, machining is relatively simple, but for large parts with a size of more than one meter, machining precision may be locally out of tolerance or the part may be deformed, and since aviation products are produced in small batches or single pieces, the price of blank for producing parts is high and there is no ready-made backup material, so the production of a scrapped part may delay the construction period for a long time, causing great economic loss or enterprise loss.

[0004] The authorized announcement No. CN107398758B discloses a positioning and clamping tool, which comprises a clamping plate, a plurality of positioning holes are arranged on the horizontal center axis of the clamping plate, the positioning holes are symmetrically distributed with respect to the center of the horizontal center axis, each positioning hole is a threaded hole, a positioning bolt is installed in each positioning hole, the screw rod of the positioning bolt passes through the upper surface of the clamping plate and is processed into a positioning pin matched with the positioning pin hole on the blank to be clamped, but if the diameters of the positioning holes on the clamping plate are the same, the diameters of the positioning bolts installed in each positioning hole are also the same, which has certain limitations for fixing different blanks. SUMMARY

[0005] The utility model mainly aims at the problems existing in the use of tooling, and invents a workbench board convenient to fix aviation metal processing piece, the diameters of the first pin hole, the second pin hole, the third pin hole and the fourth pin hole are all different, which indicates that the holes on different workpieces can be matched in actual operation, the first pin hole and the second pin hole are independently designed, and the third pin hole and the fourth pin hole are coaxially designed, so that workers can select according to their needs.

[0006] The utility model discloses a workbench plate convenient to fix aviation metal processing piece, including workbench plate body, the upper surface of workbench plate body is equipped with a plurality of diameter different first pin hole and second pin hole, the inside of first pin hole and second pin hole can install positioning pin, the upper surface of workbench plate body is equipped with a plurality of first round hole.

[0007] As preferred, the shape of the workbench plate body is polygonal or circular, and the corners of the workbench plate body are chamfered. This setting is to fix the workpiece to be processed so that it can fall within the machining range of the machine tool and avoid workers from being cut when installing or fixing / dismantling the workpiece or the workbench plate.

[0008] As preferred, the first round hole is a through hole, and a steel wire sleeve for auxiliary fastening of the workpiece is detachably installed inside the first round hole. This setting is to enable the first round hole to be fixed by bolts with the threaded holes on the workpiece to be processed.

[0009] As preferred, the lower surface of the workbench plate body is provided with a plurality of third pin holes, and the inside of the third pin hole is provided with a fourth pin hole. This setting is to enable both surfaces of the entire workbench plate body to be fixed by positioning pins, and because the diameters of the pin holes are different, workers can choose according to their own needs.

[0010] As preferred, the first pin hole, the second pin hole, the third pin hole and the fourth pin hole are all counterbores, and the diameters of the first pin hole, the second pin hole, the third pin hole and the fourth pin hole are all different.

[0011] As preferred, the number of the first round hole is greater than the number of the first pin hole, the second pin hole, the third pin hole and the fourth pin hole.

[0012] As preferred, the workbench plate body is fixed on the workbench surface of the machine tool by the pressing plate method. This setting is to maximize the area of the entire workbench plate body for fixing the workpiece to be processed.

[0013] Compared with the prior art, the utility model has following beneficial effects: 1, the diameter of first pin hole, second pin hole, third pin hole and fourth pin hole is not same, after being set like this, for the workpiece to be processed, it has the hole site for fixedly, this hole site can be aligned to first pin hole, second pin hole, third pin hole or fourth pin hole, such design indicates that in actual operation process can adapt the hole site on different workpiece, make the whole workstation board have better versatility, when production is used, it is convenient;2, some workpieces to be processed are the threaded hole, then at this moment can align its threaded hole to first round hole, fix the cooperation between each threaded hole and steel wire tooth cover through external bolt, and because steel wire tooth cover is detachable, then can take out and replace new after steel wire tooth cover is damaged, such design makes the whole workstation board have better adaptability and versatility, when production is used, it is convenient;3, the both surfaces of whole workstation board body can be fixed through positioning pin, and because the diameter between each pin hole is different, first pin hole and second pin hole are independently designed, and third pin hole and fourth pin hole are coaxial design, make the worker can select according to own demand, when production is used, it is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the perspective view of the utility model;

[0015] Fig. 2 It is the partial enlarged view of the utility model;

[0016] Fig. 3 It is the perspective view of the utility model;

[0017] Fig. 4 It is the partial enlarged view of the utility model.

[0018] Mark in drawing: 1, workstation board body;11, first pin hole;12, second pin hole;13, first round hole;14, third pin hole;15, fourth pin hole. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the embodiment shown in the accompanying drawings:

[0020] As Figs. 1 to 4As shown, a workbench plate for fixing aviation metal workpieces, comprising a workbench plate body 1, the shape of the workbench plate body 1 is polygonal or circular, the corners of the workbench plate body 1 are chamfered, which is to fix the workpiece to be processed and avoid workers cutting their bodies when installing or fixing / dismantling the workpiece or the workbench plate, the material of the workbench plate body 1 is aluminum alloy material, which is to make the entire workbench plate body 1 have better durability and not easy to scratch the workpiece, the upper surface of the workbench plate body 1 is provided with a plurality of first pin holes 11 and second pin holes 12 with different diameters, the inside of the first pin hole 11 and the second pin hole 12 can install the positioning pin, the lower surface of the workbench plate body 1 is provided with a plurality of third pin holes 14, the inside of the third pin hole 14 is provided with a fourth pin hole 15, the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15 are all counterbores, the diameters of the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15 are all different, so that for the workpiece to be processed, it itself has a hole position for fixing, which can be aligned with the first pin hole 11, the second pin hole 12, the third pin hole 14 or the fourth pin hole 15, and the accuracy requirement of these hole positions is very high, in actual application, the accuracy matching problem of the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15 is very important.

[0021] This means that before installing the positioning pin, the position of the part needs to be determined first, then a few holes are punched on the part, and the positioning pin is inserted. In this way, it can be ensured that other workpieces cannot move within a certain range, so as to realize accurate positioning. If the positioning fails, such as random shaking or incorrect assembly, it means that the positioning is unsuccessful, which may affect the normal operation of the machine tool equipment, and since the diameters of the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15 are all different, it means that in actual operation, it can adapt to the hole positions on different workpieces, so that the entire workbench plate has better versatility.

[0022] In this embodiment, it is noted that the workbench plate body 1 is fixed on the workbench surface of the machine tool by the pressing plate mode, and the surface of the workbench plate body 1 is also provided with a plurality of first round holes 13, specifically, the first round holes 13 are through holes, and a steel wire sleeve for auxiliary fastening of the workpiece is detachably arranged in the inside of the first round holes 13, and the steel wire sleeve is in interference fit with the inside of the first round holes 13, and the number of the first round holes 13 is greater than that of the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15, and the setting is because some workpieces to be machined are provided with threaded holes, or the workpieces machined by the positioning pins are provided with threaded holes, so that the threaded holes can be aligned with the first round holes 13, and the cooperation between each threaded hole and the steel wire sleeve is fixed by external bolts, and because the steel wire sleeve is detachable, the steel wire sleeve can be taken out and replaced after being damaged, and the design makes the whole workbench plate have better adaptability and universality.

[0023] The working principle and use method of the utility model:

[0024] Firstly, the workbench plate body 1 is fixed on the workbench surface of the machine tool by the pressing plate mode, then the machining position of the part is determined, and then several hole positions are machined on the part, the hole positions can be aligned with the first pin hole 11, the second pin hole 12, the third pin hole 14 or the fourth pin hole 15, and then the positioning pin is inserted, in this way, it can be ensured that other workpieces cannot move within a certain range, so as to realize accurate positioning. If positioning fails, such as random shaking or incorrect assembly, it indicates that the positioning is unsuccessful, which may affect the normal operation of the machine tool equipment, and because the diameters of the first pin hole 11, the second pin hole 12, the third pin hole 14 and the fourth pin hole 15 are all different, it is indicated that the hole positions on different workpieces can be adapted in the actual operation process, so that the whole workbench plate has better universality.

[0025] Some workpieces to be machined are provided with threaded holes, or the workpieces machined by the positioning pins are provided with threaded holes, so that the threaded holes can be aligned with the first round holes 13, and the cooperation between each threaded hole and the steel wire sleeve is fixed by external bolts, and because the steel wire sleeve is detachable, the steel wire sleeve can be taken out and replaced after being damaged, and the design makes the whole workbench plate have better adaptability and universality.

[0026] The specific embodiments described in the specification are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A worktable plate for facilitating the securing of an aeronautical metal workpiece, comprising a worktable plate body (1), characterized in that, The upper surface of the workbench plate body (1) is provided with a plurality of first pin holes (11) and second pin holes (12) with different diameters, the interiors of the first pin holes (11) and the second pin holes (12) are capable of mounting positioning pins, and the upper surface of the workbench plate body (1) is further provided with a plurality of first round holes (13).

2. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 1, wherein, The workbench plate body (1) is polygonal or circular in shape, and the corners of the workbench plate body (1) are chamfered.

3. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 2, wherein, The first round holes (13) are through holes, and the interiors of the first round holes (13) are detachably mounted with steel wire sleeves for assisting fastening of workpieces.

4. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 3, wherein, The lower surface of the workbench plate body (1) is provided with a plurality of third pin holes (14), and the interiors of the third pin holes (14) are provided with fourth pin holes (15).

5. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 4, wherein, The first pin holes (11), the second pin holes (12), the third pin holes (14) and the fourth pin holes (15) are all counterbores, and the diameters of the first pin holes (11), the second pin holes (12), the third pin holes (14) and the fourth pin holes (15) are all different.

6. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 5, wherein, The number of the first round holes (13) is greater than the respective numbers of the first pin holes (11), the second pin holes (12), the third pin holes (14) and the fourth pin holes (15).

7. The worktable plate for facilitating the securing of an aeronautical metal workpiece of claim 6, wherein, The workbench plate body (1) is fixed on the workbench surface of a machine tool by means of a pressing plate.

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