CN219665542U

CN219665542U - Hinge arm welding positioning jig

Info

Publication number: CN219665542U
Application number: CN202320688202.4U
Authority: CN
Inventors: 卢照宇; 赖肇梁; 刘华利
Original assignee: Xiamen Boamax Technology Co ltd
Current assignee: Xiamen Boamax Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-12
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a welding positioning jig for a hinge arm, which relates to the technical field of tool clamps and comprises a base, wherein a positioning plate and a plurality of pressing mechanisms are vertically arranged on the base; the base is provided with a first step, and the first step comprises a first abutting surface and a second abutting surface which are mutually perpendicular; the locating plate is fixed on the base and is close to one side of first step, the locating plate is opened there is the constant head tank that runs through up-and-down terminal surface, the constant head tank lower extreme extends to the top of first step, set up hold-down mechanism in the both sides of first step on the base, the locating plate sets up hold-down mechanism in one side of constant head tank, the bottom plate of hinge arm is fixed a position through first step, the extension arm of hinge arm passes through the constant head tank location of locating plate, rethread hold-down mechanism compresses tightly fixedly bottom plate and extension arm, carry out the welding at last, improve welding precision and improve welding efficiency simultaneously, reduce the defective rate of product.

Description

Hinge arm welding positioning jig

Technical Field

The utility model relates to the field of positioning tools, in particular to a hinge arm welding positioning tool.

Background

In sheet metal processing, a hinge arm shown in fig. 1 consists of a bottom plate and an extension arm, wherein fixing holes are symmetrically formed in two sides of a connecting part between the bottom plate and the extension arm, the requirement on form and position tolerance on a drawing is very high, the perpendicularity error required by the drawing is very small, the connecting position between the bottom plate and the extension arm is arranged in the middle of the fixing holes, and the fixing and welding are carried out purely by manual visual observation, so that poor dimensional or form and position tolerance is easily caused; the welding process generates high heat to cause the phenomena of size running and the like; in addition, the manual splicing, positioning and re-welding lead to low welding efficiency and poor economic benefit, and in summary, the design of a set of positioning tool capable of improving welding precision, the reduction of reject ratio and the improvement of working efficiency are urgent.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a welding positioning jig for a hinge arm, which aims to solve the problems of reducing the reject ratio and improving the working efficiency when welding the hinge arm.

The utility model is realized in the following way: the hinge arm welding positioning jig comprises a base, wherein a positioning plate and a plurality of pressing mechanisms are vertically arranged on the base;

the base is provided with a first step, and the first step comprises a first abutting surface and a second abutting surface which are mutually perpendicular; the locating plate is fixed on one side of the base, which is close to the first step, a locating groove penetrating through the upper end face and the lower end face is formed in the locating plate, the lower end of the locating groove extends to the upper portion of the first step, the pressing mechanisms are arranged on the base at two sides of the first step, and the pressing mechanisms are arranged on one side of the locating groove.

Further, square holes are formed in the two sides of the locating groove of the locating plate.

Further, the first abutting surface is provided with a yielding gap.

Further, a yielding part is arranged on one side, close to the first step, of the lower end face of the positioning plate.

Further, a plurality of rib plates are arranged on one side surface, far away from the pressing mechanism, of the positioning plate.

Further, the pressing mechanism is a rapid pressing clamp.

Further, the locating plate is provided with 2 rapid compression clamps, and the base is provided with 3 rapid compression clamps.

The beneficial effects of the utility model are as follows:

the hinge arm welding positioning jig is simple in structure and reasonable and smart in design, and comprises a base, wherein a positioning plate and a plurality of pressing mechanisms are vertically arranged on the base; the base is provided with a first step, and the first step comprises a first abutting surface and a second abutting surface which are mutually perpendicular; the locating plate is fixed on the base and is close to one side of first step, the locating plate is opened there is the constant head tank that runs through up-and-down terminal surface, the constant head tank lower extreme extends to the top of first step, set up hold-down mechanism in the both sides of first step on the base, the locating plate sets up hold-down mechanism in one side of constant head tank, the bottom plate of hinge arm is fixed a position through first step, the extension arm of hinge arm passes through the constant head tank location of locating plate, rethread hold-down mechanism compresses tightly fixedly bottom plate and extension arm, carry out the welding at last, improve welding precision and improve welding efficiency simultaneously, reduce the defective rate of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the hinge arm structure of the present utility model;

FIG. 2 is a schematic structural diagram of a welding positioning jig for hinge arms according to the present utility model;

FIG. 3 is a schematic diagram of a positioning plate structure of a welding positioning jig for hinge arms according to the present utility model;

FIG. 4 is a schematic view of a base structure of a positioning fixture for welding a hinge arm according to the present utility model;

fig. 5 is a schematic diagram of a matching structure of a positioning plate and a base of the welding positioning jig for hinge arms.

Reference numerals:

10. a base; 101. a first step; 1011. a relief notch;

20. a positioning plate; 201. a positioning groove; 202. square holes; 203. a yielding part;

30. a compressing mechanism; 301. a clamp is fast pressed;

40. a hinge arm; 401. a bottom plate; 402. an extension arm.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The hinge arm 40 shown in fig. 1 is assembled by welding a base plate 401 and an extension arm 402, and fixing holes are formed in both sides of the base plate 401 which are abutted against the extension arm 402.

Referring to fig. 2 and 5, the present utility model provides a welding positioning fixture for a hinge arm, which includes a base 10, wherein a positioning plate 20 and a plurality of pressing mechanisms 30 are vertically disposed on the base 10; specifically, the positioning plate 20 is vertically fixed on the base 10, a plurality of rib plates are arranged on one side surface of the positioning plate 20, the positioning plate 20 is fixed on the base 10 through the rib plates, and the extension arm 402 fixed on the positioning plate 20 is ensured to be vertical to the base 10 fixed on the base 10.

Referring to fig. 2 and 4, a first step 101 is formed on the base 10, and the first step 101 includes a first abutting surface and a second abutting surface that are perpendicular to each other; when the bottom plate 401 is placed, one side surface of the bottom plate 401 is abutted against the first abutting surface, and the other side surface of the bottom plate 401 is abutted against the second abutting surface, so that the bottom plate 401 is placed below the vertical surface of the positioning plate 20; further, the first abutting surface is provided with a yielding gap 1011, the yielding gap 1011 can provide a yielding space, the welding extension arm 402 protrudes out of one side of the base plate 401, the yielding gap 1011 provides a yielding space for the protruding part of the extension arm 402, and the connecting position of the base plate 401 and the extension arm 402 is accurately positioned.

Referring to fig. 2 and 3, the positioning plate 20 is fixed on the base 10 at a side near the first step 101, the positioning plate 20 is provided with a positioning slot 201 penetrating through the upper and lower end surfaces, the positioning slot 201 has a plurality of turns from top to bottom, and conforms to the shape of the extension arm 402, so that the extension arm 402 can be placed in the positioning slot 201, the lower end of the positioning slot 201 extends above the first step 101, and the lower end surface of the extension arm 402 abuts against the bottom plate 401. Further, a yielding part 203 is arranged on one side, close to the first step 101, of the lower end surface of the positioning plate 20, and the yielding part 203 provides a welding space for a welding gun, so that the welding gun can weld the contact position of the extension arm 402 and the bottom plate 401, and the design is reasonable and ingenious. In addition, the positioning plate 20 is provided with square holes 202 on two sides of the positioning groove 201, the distance between the two square holes 202 is smaller than the groove width of the positioning groove 201, and the extension arm 402 is conveniently taken out when welding is completed.

Referring to fig. 2, the base 10 is provided with pressing mechanisms 30 on two sides of the first step 101, and the positioning plate 20 is provided with pressing mechanisms on one side of the positioning slot 201, where the pressing mechanisms in this embodiment are all quick pressing jigs 301, so that the quick pressing jigs 301 are convenient and quick to operate, and the clamping work efficiency can be improved. Further, the positioning plate 20 is provided with 2 quick compression clamps 301, the base 10 is provided with 3 quick compression clamps 301, the 2 quick compression clamps 301 on the positioning plate 20 respectively compress the upper side and the lower side of the extension arm 402 in the positioning groove 201, the 3 quick compression clamps 301 on the base 10 respectively compress the two ends of the bottom plate 401 along the length direction on the base 10, and the quantity of the quick compression clamps 301 can be adjusted according to the size of the bottom plate 401.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a hinge arm welding positioning jig, includes the base, set up locating plate and a plurality of hold-down mechanism on the base perpendicularly, its characterized in that;

2. The hinge arm welding positioning jig of claim 1, wherein: the locating plate is provided with square holes on two sides of the locating groove.

3. The hinge arm welding positioning jig of claim 1, wherein: the first abutting surface is provided with a yielding gap.

4. The hinge arm welding positioning jig of claim 1, wherein: and one side of the lower end surface of the positioning plate, which is close to the first step, is provided with a abdication part.

5. The hinge arm welding positioning jig of claim 1, wherein: and a plurality of rib plates are arranged on one side surface of the positioning plate, which is far away from the pressing mechanism.

6. The hinge arm welding positioning jig of claim 1, wherein: the pressing mechanism is a rapid pressing clamp.

7. The hinge arm weld fixture of claim 6, wherein: the positioning plate is provided with 2 rapid compression clamps, and the base is provided with 3 rapid compression clamps.