CN214771531U - Auxiliary tool for assembling bushing in hinge hole - Google Patents

Abstract

The utility model discloses an appurtenance for hinge hole assembly bush mainly comprises base and orientation module, its characterized in that: the positioning module is provided with a precise hole, and the positioning module and the base are quickly positioned and fixed by inserting two positioning bolts into the precise hole. The positioning module is designed vertically by integrally forming two straight plates, the two straight plates are vertical and connected with the base, and the two straight plates are divided into a first vertical straight plate and a second vertical straight plate. The utility model has the advantages that: (1) the utility model discloses hinge hole assembly bush's appurtenance provides a convenient effectual assembly tool, and the bush is in the installation, and this appurtenance is effectual has guaranteed the positioning accuracy requirement and the assembly requirement of bush. (2) The hinge hole part bushings with different lengths can be assembled and processed by changing the length of the step pin, and the step pin has universality. (3) The tool has simple structure and relatively simple adjustment. Can be assembled and disassembled, and is convenient to store and manage.

Description

Auxiliary tool for assembling bushing in hinge hole

Technical Field

The utility model relates to a machinery processing technology field specifically is an appurtenance for hinge hole assembly bush.

Background

The key hinge is as the hinge hole class part of domestic big aircraft core part, because the part has single row of porous, and every hole all needs the assembly bush, need guarantee the axiality requirement in post-assembling hole simultaneously, consequently, it is lower that the efficiency is lower when the part assembles the bush, the repeated assembly rate is high, the root lies in the assembling process, lean on the assembly of operation workman experience entirely, the appurtenance of clamping location does not have, lead to the part assembly machining efficiency low, consequently to the problem of hinge hole class part auricle hole assembly bush, appurtenance when hinge hole assembly bush, realize that the assembly bush processing is in place under the disposable clamping condition.

Disclosure of Invention

An object of the utility model is to provide an appurtenance for hinge hole assembly bush, this appurtenance can make things convenient for quick clamping hinge class part lug hole assembly bush, can realize the processing of work piece assembly bush under one set of frock, great improvement machining efficiency.

The technical scheme of the utility model adopted is as follows: the utility model provides an appurtenance for hinge hole assembly bush, mainly comprises base and orientation module, its characterized in that: the positioning module is provided with a precise hole, and the positioning module and the base are quickly positioned and fixed by inserting two positioning bolts into the precise hole.

Furthermore, the positioning module is designed vertically by integrally forming two straight plates, the two straight plates are vertical and connected with the base, and the two straight plates are divided into a first vertical straight plate and a second vertical straight plate.

Further, a plurality of hook-shaped bolts are arranged on the first vertical straight plate, the hook-shaped bolts are transversely arranged on the first vertical straight plate, slidable stop blocks are arranged on the hook-shaped bolts, socket head cap fastening screws are fixed on the slidable stop blocks, and the slidable stop blocks are fixed by screwing the socket head cap fastening screws 2.

Further, the hook bolts are preferably five.

Furthermore, the vertical straight board of second is equipped with a plurality of clamp plates, and the clamp plate transversely sets up on the vertical straight board of second, is equipped with the through-hole in the middle of the clamp plate, and sphere shoulder nut, thin nut of hexagonal and stud pass through the through-hole and the clamp plate is fixed, and stud and clamp plate pass through sphere shoulder nut and the contact of thin nut of hexagonal, and thin nut of hexagonal and sphere shoulder nut are twisted on stud, are used for compressing tightly the part.

Further, the number of the pressing plates is preferably three.

Furthermore, when the auxiliary tool is used for assembling the bushing in the lug hole of the hinge hole part, the base on the auxiliary tool is fixed on the workbench of the machine tool through a screw, the step pin is fixed on a spring chuck of the radial drilling machine, and the step pin is used for pressing the bushing when the part is assembled.

The utility model has the advantages that: (1) the utility model discloses hinge hole assembly bush's appurtenance provides a convenient effectual assembly tool, and the bush is in the installation, and this appurtenance is effectual has guaranteed the positioning accuracy requirement and the assembly requirement of bush. (2) The hinge hole part bushings with different lengths can be assembled and processed by changing the length of the step pin, and the step pin has universality. (3) The tool has simple structure and relatively simple adjustment. Can be assembled and disassembled, and is convenient to store and manage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the pin with steps of the present invention.

Fig. 3 is a schematic view of the present invention.

In the figure, 1-base; 2-inner hexagonal fastening screw; 3-hook bolt; 4-step pin; 5-a slidable stopper; 6-a positioning module; 7-pressing a plate; 8-spherical shoulder nuts; 9-hexagonal thin nuts; 10-a stud; 11-workpiece group a lugs; 12-workpiece web face i; 13-workpiece B group of tabs; 14-workpiece web face II.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1 and 2, the auxiliary tool for assembling the bushing in the hinge hole comprises a base (1), an inner hexagonal fastening screw (2), a hook-shaped bolt (3), a step pin (4), a slidable stop block (5), a positioning module (6), a pressing plate (7), a spherical shoulder nut (8), a hexagonal thin nut (9), a stud (10), a workpiece A group lug (11), a workpiece web surface I (12), a workpiece B group lug (13) and a workpiece web surface II (14). A precise hole is designed on the positioning module (6), and the positioning module (6) and the base (1) are quickly and accurately positioned by inserting two positioning bolts; the auxiliary tool for assembling the bush in the hinge hole is provided with a fixed stop block (the position of the right side of the positioning module with a step can be used for fixing one side of a part, namely the fixed stop block) and a slidable stop block (5), so that the workpiece can be quickly disassembled and assembled, the whole set of tool can be conveniently stored, and in the processes of disassembling and assembling the workpiece and storing the whole set of tool, all components are not required to be disassembled, only the inner hexagonal fastening screw (2) is required to be loosened, and then the slidable stop block (5) is slid; the workpiece is fixed through the slidable stop block (5), is compressed through the pressing block (7) and the hook-shaped bolt (3), and is locked through the fastening screw and the hexagonal thin nut (9), so that the clamping stability of the workpiece in the machining process of assembling the bush is guaranteed; the auxiliary tool for assembling the bush in the hinge hole is provided with the step pin (4) for pressing the bush, so that the assembly of all the bushes can be completed at one time, the step pin (4) is pressed by mechanical force of the radial drilling machine, the bush can be uniformly stressed, the assembly quality is guaranteed, and the assembly efficiency is improved.

The auxiliary tool for assembling the bush in the hinge hole has the following specific embodiment:

a. firstly, inserting two positioning bolts into a positioning module (6) through a base (1), and screwing fastening screws at the bottom of the base (1);

b. the step pin (4) is arranged in a radial drilling machine, the auxiliary tool is adjusted to ensure that the step pin (4) is coaxial with the hinge hole, and the base (1) is fixed on the radial drilling machine;

c. attaching a workpiece to the positioning module (6), fixing the position of the workpiece by sliding the slidable stop block (5), and locking the socket head cap fastening screw (2);

d. pressing a hook-shaped bolt (3) and a pressing plate (7) on a workpiece web surface I (12) and a workpiece web surface II (14), and locking the workpiece through a fastening nut and a hexagonal thin nut (9);

e. putting the lining into a container, injecting enough liquid nitrogen to cover the lining until no bubble is formed, putting the workpiece into an electrothermal blowing dry box according to requirements, and heating for 5-10 minutes until the part is uniformly heated to 100 ℃;

f. prior to installation, a suitable amount of lubricant is applied to the bore of the heated workpiece, and the bushing is removed from the cryogen using a fine hook or clamp

g. Manually rotating the radial drilling machine wheel disc to move the step pin (4) to the upper part of the lug hole, and installing the bush into the step pin (4);

h. rotating the radial drilling machine wheel disc to press the step pin (4) into the hinge hole, and rotating the wheel disc to withdraw from the step pin to complete the assembly of a bushing;

i. repeating f, g and h;

j. and (4) completely installing the bushing into the hinge hole on the workpiece, and taking out the workpiece after assembly.

The utility model provides an appurtenance for hinge hole assembly bush has gained good effect in the practical application of enterprise.

Claims (4)

1. The utility model provides an appurtenance for hinge hole assembly bush, mainly comprises base and orientation module, its characterized in that: the positioning module is provided with a precise hole, and the positioning module and the base are quickly positioned and fixed by inserting two positioning bolts into the precise hole;

the positioning module is designed in a way that two straight plates are integrally formed and vertical, the two straight plates are vertically connected with the base, and the two straight plates are divided into a first vertical straight plate and a second vertical straight plate;

the first vertical straight plate is provided with a plurality of hook-shaped bolts, the hook-shaped bolts are transversely arranged on the first vertical straight plate, the hook-shaped bolts are provided with slidable stop blocks, and the slidable stop blocks are fixedly provided with hexagon socket fastening screws;

the novel nut pressing machine is characterized in that a plurality of pressing plates are arranged on the vertical straight plate of the second, the pressing plates are transversely arranged on the vertical straight plate of the second, a through hole is formed in the middle of each pressing plate, a spherical shoulder nut, a hexagonal thin nut and a double-end stud are fixed through the through holes and the pressing plates, the double-end stud and the pressing plates are in contact through the spherical shoulder nut and the hexagonal thin nut, and the hexagonal thin nut and the spherical shoulder nut are screwed on the double-end stud and used for pressing parts.

2. An auxiliary tool for a hinge hole fitting bush according to claim 1, wherein: the hook-shaped bolts are five.

3. An auxiliary tool for a hinge hole fitting bush according to claim 1, wherein: the number of the pressing plates is three.

4. An auxiliary tool for a hinge hole fitting bush according to claim 1, wherein: when the auxiliary tool is used for assembling the bushing in the lug hole of the hinge hole part, the base on the auxiliary tool is fixed on a machine tool workbench through a screw, the step pin is fixed on a spring chuck of the radial drilling machine, and the step pin is used for pressing the bushing when the part is assembled.

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