CN209830739U - Welding fixture for metal chair stool leg - Google Patents

Abstract

The utility model discloses a welding jig for metal chair bench foot, including the welding plane, be equipped with a plurality of clamping mechanism on the welding plane, clamping mechanism becomes circumference form distribution along welding planar center uniformly, clamping mechanism includes first clamping mechanism and second clamping mechanism, first clamping mechanism includes first base, the fixed block, the tight piece of arc clamp, handle and one-way lead screw, be equipped with the rectangular channel on the first base, one-way lead screw is located the rectangular channel, be equipped with screw nut on the one-way lead screw, screw nut and the tight piece of arc clamp are connected, second clamping mechanism includes flexible plane and two grip blocks, the grip block is located flexible plane, be equipped with two-way lead screw in the flexible plane, be equipped with the connecting block on the two-way lead screw, the connecting block is connected with the grip block, two-way lead screw right-hand member is equipped with the action bars, the beneficial effects of the: two clamping mechanisms are adopted, so that the stability is high, the precision is high, the clamping property is durable, and stool legs with different sizes can be clamped.

Description

Welding fixture for metal chair stool leg

Technical Field

The utility model relates to a welding equipment field specifically is a welding jig for metal chair bench foot.

Background

Metal chair bench foot includes bench foot collar and bracing piece, and bracing piece evenly distributed is on bench foot collar, and through welded connection, before metal chair bench foot welds, presss from both sides tightly the bench foot, and welding jig's design has seriously influenced the welded precision of bench foot, and present welding jig has the not high shortcoming of clamp tightness, and can't adjust anchor clamps according to welding workpiece's size.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig for metal chair bench foot has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a welding jig for metal chair bench foot, including the welding plane, be equipped with a plurality of clamping mechanism on the welding plane, clamping mechanism becomes circumference form distribution along the center of welding plane uniformly, clamping mechanism includes first clamping mechanism and second clamping mechanism, first clamping mechanism includes first base, the fixed block, the tight piece of arc clamp, handle and one-way lead screw, be equipped with the rectangular channel on the first base, one-way lead screw is located the rectangular channel, be equipped with screw nut on the one-way lead screw, screw nut and the tight piece of arc clamp are connected, handle and one-way lead screw connection, second clamping mechanism includes flexible plane and two grip blocks, the grip block is located flexible plane, two grip blocks are the symmetric distribution according to flexible plane, be equipped with two-way lead screw in the flexible plane, be equipped with the connecting block on the two-way lead screw, the connecting block is connected with the grip block.

As the utility model discloses a two-way lead screw left end of preferred embodiment is the levogyration lead screw, and the centre is the optical axis, and the right-hand member is the dextrorotation lead screw, and two-way lead screw passes through the bearing and is connected with the grip block.

As a preferred embodiment of the present invention, a second base is disposed behind the second clamping mechanism.

As an optimized implementation mode of the utility model, a telescopic rod is arranged in the second base, and the top end of the telescopic rod is connected with the telescopic plane.

As an optimal implementation mode of the utility model, be equipped with drive mechanism on the welding plane, drive mechanism is located the clamping mechanism below, and drive mechanism includes the track, and the track is ball, is equipped with the slider on the track, and the slider is connected with first base.

Compared with the prior art, the beneficial effects of the utility model are as follows: 1. the utility model discloses a welding jig adopts a plurality of clamping mechanism to carry out the centre gripping to the bench foot for the bench foot can be more stable by the centre gripping, and the grip is lasting, 2 the utility model discloses a first base has transmission, and is equipped with the telescopic link in the second base, can adjust welding jig according to the size of bench foot, has the effect of pressing from both sides tight not unidimensional bench foot.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is an overall structure diagram of a welding fixture for metal legs of a chair stool;

FIG. 2 is a schematic structural view of a clamping mechanism of a welding fixture for metal legs of a chair stool;

FIG. 3 is a schematic view of a two-way screw structure of a welding fixture for metal chair legs;

FIG. 4 is a schematic structural view of a transmission mechanism of a welding fixture for metal legs of a chair stool;

in the figure: the welding device comprises a welding plane 1, a clamping mechanism 2, a first clamping mechanism 3, a first base 31, a fixing block 32, an arc-shaped clamping block 33, a handle 34, a one-way lead screw 35, a lead screw nut 36, a second clamping mechanism 4, a second base 41, a telescopic plane 42, a clamping block 43, an operating rod 44, a two-way lead screw 45, a left-handed lead screw 451, an optical axis 452, a right-handed lead screw 453, a connecting block 46, a telescopic rod 5, a transmission mechanism 6, a track 61 and a sliding block 62.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a welding fixture for stool legs of a metal chair comprises a welding plane 1, wherein a plurality of clamping mechanisms 2 are arranged on the welding plane 1, the clamping mechanisms 2 are uniformly distributed along the center of the welding plane 1 in a circumferential manner, the clamping mechanisms 2 comprise first clamping mechanisms 3 and second clamping mechanisms 4, the stool legs are clamped by the two clamping mechanisms, so that the stool legs can be clamped more stably and have lasting clamping performance, the stool legs comprise stool leg mounting rings and supporting rods, the stool leg mounting rings are circular metal pieces, the supporting rods are uniformly distributed on the stool leg mounting rings, the stool leg mounting rings are clamped by the first clamping mechanisms 3, and the supporting rods are clamped by the second clamping mechanisms 4;

the first clamping mechanism 3 comprises a first base 31, a fixed block 32, an arc-shaped clamping block 33, a handle 34 and a one-way lead screw 35, the fixed block 32 and the arc-shaped clamping block 33 are positioned on the first base 31, a rectangular groove is formed in the first base 31 and is positioned below the arc-shaped clamping block 33, a through mounting hole is formed in the side surface of the first base 31, the one-way lead screw 35 is positioned in the rectangular groove, two ends of the one-way lead screw 35 are connected with the first base 31 through a bearing, one end of the one-way lead screw 35 penetrates out of the mounting hole and is connected with the handle 34, a lead screw nut 36 is arranged on the one-way lead screw 35, the lead screw nut 36 is connected with the arc-shaped clamping block 33, the distance between the lead screw nut 36 and the fixed block 32 is adjusted by rotating the handle 34, and therefore the effect of clamping the stool leg mounting ring is achieved;

a second base 41 is arranged behind the first base 31 and is arranged perpendicular to the first base 31, the second clamping mechanism 4 is arranged on the second base 41, the second clamping mechanism 4 comprises a telescopic plane 42 and two clamping blocks 43, the clamping blocks 43 are arranged on the telescopic plane 42, the two clamping blocks 43 are symmetrically distributed according to the telescopic plane 42, a bidirectional screw 45 is arranged in the clamping blocks 43, the left end of the bidirectional screw 45 is a left-handed screw 451, the middle of the bidirectional screw is an optical axis 452, the right end of the bidirectional screw 45 is a right-handed screw 453, two ends of the bidirectional screw 45 are connected with the clamping blocks 43 through bearings, two connecting blocks 46 are arranged on the bidirectional screw 45, the two connecting blocks 46 are respectively connected with the clamping blocks 43, an operating rod 44 is arranged at the right end of the bidirectional screw 45, and the distance between the two clamping blocks 43 is adjusted by rotating the operating rod 44;

a telescopic rod 5 is arranged in the second base 41, the top end of the telescopic rod 5 is connected with a telescopic plane 42, the position of the telescopic plane 42 is adjusted through the telescopic rod 5, and the welding position between the stool foot mounting ring and the supporting rod is ensured;

be equipped with drive mechanism 6 on the welding plane 1, drive mechanism 6 is located 2 below of clamping mechanism, drive mechanism 6 includes track 61, be equipped with two track grooves on the welding plane 1, two track grooves are parallel to each other, and place the position unanimous with the rectangle recess, track 61 is arranged in the track groove, pass through the bearing with welding plane 1 and be connected, track 61 is ball, be equipped with slider 62 on the track 61, slider 62 is connected with first base 31, give power by the motor, make slider 62 slide along track 62, in order to realize the regulation of first base 31 position, thereby make first clamping mechanism 3 to the bench foot collar homoenergetic of any size press from both sides tight operation.

The utility model has the advantages as follows: 1. the utility model discloses a welding jig adopts a plurality of clamping mechanism to carry out the centre gripping to the bench foot for the bench foot can be more stable by the centre gripping, and the grip is lasting, 2 the utility model discloses a first base has transmission, and is equipped with the telescopic link in the second base, can adjust welding jig according to the size of bench foot, has the effect of pressing from both sides tight not unidimensional bench foot.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed or operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, "connected" may be a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via media, or a communication between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a welding jig for metal bench foot which characterized in that: including welding plane (1), be equipped with a plurality of clamping mechanism (2) on welding plane (1), clamping mechanism (2) evenly along the center of welding plane (1) becomes the circumference form and distributes, clamping mechanism (2) include first clamping mechanism (3) and second clamping mechanism (4), first clamping mechanism (3) include first base (31), fixed block (32), arc clamp piece (33), handle (34) and one-way lead screw (35), be equipped with the rectangular channel on first base (31), one-way lead screw (35) are located the rectangular channel, be equipped with screw nut (36) on one-way lead screw (35), screw nut (36) with arc clamp piece (33) are connected, handle (34) are connected with one-way lead screw (35), second clamping mechanism (4) are including two blocks (43) of flexible plane (42) and centre gripping, the clamping blocks (43) are located on the telescopic plane (42), the two clamping blocks (43) are symmetrically distributed on the telescopic plane (42), a bidirectional screw rod (45) is arranged in the clamping blocks (43), a connecting block (46) is arranged on the bidirectional screw rod (45), the connecting block (46) is connected with the clamping blocks (43), and an operating rod (44) is arranged at the right end of the bidirectional screw rod (45).

2. The welding fixture for the legs of metal chairs stools as claimed in claim 1, wherein: the left end of the bidirectional screw rod (45) is a left-handed screw rod (451), the middle of the bidirectional screw rod is an optical axis (452), the right end of the bidirectional screw rod is a right-handed screw rod (453), and the bidirectional screw rod (45) is connected with the clamping block (43) through a bearing.

3. The welding fixture for the legs of metal chairs stools as claimed in claim 1, wherein: and a second base (41) is arranged behind the second clamping mechanism (4).

4. The welding fixture for the legs of metal chairs stools as claimed in claim 3, wherein: an expansion rod (5) is arranged in the second base (41), and the top end of the expansion rod (5) is connected with the expansion plane (42).

5. The welding fixture for the legs of metal chairs stools as claimed in claim 1, wherein: be equipped with drive mechanism (6) on welding plane (1), drive mechanism (6) are located clamping mechanism (2) below, drive mechanism (6) include track (61), track (61) are ball, be equipped with slider (62) on track (61), slider (62) with first base (31) are connected.