CN217750059U

CN217750059U - Welding tool for coaxiality of parts in outer door frame of forklift

Info

Publication number: CN217750059U
Application number: CN202221103231.1U
Authority: CN
Inventors: 马超; 上官海滨
Original assignee: Delifu Anhui Industrial Vehicle Co ltd
Current assignee: Delifu Anhui Industrial Vehicle Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-08
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a be arranged in coaxial welding frock of fork truck outer mast part, the different technical problem of axiality when the purpose is solved current fork truck portal welding work piece, technical scheme is: it includes the base, two linear guide and two coaxial positioning unit, two linear guide parallel arrangement are in the middle of the base top surface, the fork truck portal sets up in the middle of the top surface of base, two coaxial positioning unit set up on both sides linear guide, coaxial positioning unit includes a plurality of slider, the base plate, a supporting plate, location axle and two linear guide stopper, the slider sets up on linear guide, linear guide stopper sets up on two linear guide, the fixed top surface that sets up at the slider of base plate level, the vertical setting of backup pad is at the inboard edge of top surface of base plate, the location axle sets up the inside wall upper portion at the backup pad. The utility model discloses use linear guide to make the location axle on both sides be located coaxial state all the time to the effectual welding workpiece who has guaranteed both sides is coaxial.

Description

Welding tool for coaxiality of parts in outer door frame of forklift

Technical Field

The utility model relates to a fork truck portal technical field especially relates to a be arranged in coaxial welding frock of fork truck outer mast part.

Background

The front axle connecting plates on the two sides of the existing forklift portal frame have errors in the axial degree under the reasons of machining precision or deformation stress and the like, so that the axial degrees of workpieces on the two sides are different when the forklift portal frame is welded, the using effect of the forklift portal frame is reduced, and the service life of the forklift portal frame is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be arranged in coaxial welding frock of fork truck outer mast part to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a welding tool for coaxiality of parts in an outer forklift mast comprises a base, two linear guide rails and two coaxial positioning units, wherein the two linear guide rails are arranged in the middle of the top surface of the base in parallel, the forklift mast is arranged in the middle of the top surface of the base, and the two coaxial positioning units are symmetrically arranged on the linear guide rails on two sides of the forklift mast;

the coaxial positioning unit comprises a plurality of sliding blocks, a base plate, a supporting plate, a positioning shaft and two linear guide rail brakes, wherein the sliding blocks are arranged on the two linear guide rails in a sliding manner, the two linear guide rail brakes are respectively arranged on the two linear guide rails, one end of each linear guide rail brake is fixedly connected with the outer side of the corresponding sliding block, the base plate is horizontally and fixedly arranged on the top surface of the corresponding sliding block, the supporting plate is vertically arranged on the inner side edge of the top surface of the base plate, and the positioning shaft is arranged on the upper portion of the inner side wall of the supporting plate;

the two positioning shafts are coaxially arranged with a mounting hole of a front axle connecting plate of the forklift gantry.

Preferably, a right-angled triangle reinforcing plate is vertically arranged in the middle of the top surface of the base plate, and the other right-angled edge of the reinforcing plate is fixedly connected with the middle of the outer side wall of the supporting plate.

Preferably, the positioning shaft is in a circular truncated cone shape, and the diameter of the inner side of the positioning shaft is small.

Preferably, the diameter of the small end face of the positioning shaft is smaller than that of the mounting hole of the front axle connecting plate, and the diameter of the large end face of the positioning shaft is larger than that of the mounting hole of the front axle connecting plate.

Preferably, the linear guide rails on two sides of the sliding block are provided with limiting blocks.

The utility model has the advantages that:

1. the utility model discloses use linear guide to make the location axle on both sides be located coaxial state all the time to the effectual welding workpiece who has guaranteed both sides is coaxial.

2. The positioning shaft of the utility model adopts a round platform shape, which can better fix the workpiece and prevent the offset in the processing process;

3. the utility model discloses a stopper can prevent that coaxial positioning unit from removing the in-process and breaking away from the straight line track, ensures normal operating.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of coaxial positioning of a workpiece during welding operation of the present invention;

reference numerals are as follows: 1. a base; 2. a linear guide rail; 3. a slider; 4. a substrate; 5. a support plate; 6. a reinforcing plate; 7. positioning the shaft; 8. a limiting block; 9. a front axle connection plate; 10. a gantry; 11. a workpiece; 12. linear guide rail brake.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1-3, a coaxial welding tool for parts in a forklift outer gantry comprises a base 1, two linear guide rails 2 and two coaxial positioning units, wherein the two linear guide rails 2 are arranged in the middle of the top surface of the base 1 in parallel, a forklift gantry 10 is arranged in the middle of the top surface of the base 1, and the two coaxial positioning units are symmetrically arranged on the linear guide rails 2 at two sides of the forklift gantry 10;

coaxial positioning unit includes a plurality of slider 3, base plate 4, backup pad 5, location axle 7 and two linear guide stopper 12, slider 3 slides and sets up on two linear guide 2, two linear guide stopper 12 set up respectively on two linear guide 2, and one end and 3 outside fixed connection of slider, all be equipped with stopper 8 on the linear guide 2 on 3 both sides of slider, the fixed top surface that sets up at slider 3 of base plate 4 level, the vertical setting of backup pad 5 is at the inboard edge of the top surface of base plate 4, the vertical reinforcing plate 6 that is equipped with right triangle in the middle of the top surface of base plate 4, fixed connection in the middle of another right-angle limit of reinforcing plate 6 and the 5 lateral walls of backup pad, location axle 7 sets up on the inside wall upper portion of backup pad 5, location axle 7 be the round platform shape, and inboard diameter is little.

Two location axles 7 and the coaxial setting of front axle connecting plate 9 mounting hole of fork truck portal 10, and the little terminal surface diameter of location axle 7 is less than the mounting hole diameter of front axle connecting plate 9, and big terminal surface diameter is greater than the mounting hole diameter of front axle connecting plate 9.

During the use, open linear guide stopper 12, make coaxial positioning unit can remove on linear guide 2, will need welded work piece 11 to install respectively in the front axle connecting plate 9 mounting hole on both sides, then the coaxial positioning unit on inwards moving both sides, make location axle 7 insert in the work piece 11, close linear guide stopper 12, it is fixed to make coaxial positioning unit, it is fixed firm with work piece 11, because location axle 7 is the round platform shape, and inboard diameter is little, the diameter in the outside is big, can be with the blocking of work piece 11 firmly, avoid skew among the work piece 11 welding process, because coaxial positioning unit is on same guide rail, consequently, can guarantee that two location axles 7 are coaxial all the time, consequently two work pieces 11 during the welding also are coaxial, use the utility model discloses the coaxial degree requirement of drawing is accorded with to work piece 11 after the welding.

And after the machining is finished, opening the linear guide rail brake 12, enabling the coaxial positioning unit to move outwards, and taking down the workpiece 11. In the use process, the limiting block 8 on the linear guide rail 2 can limit the maximum displacement of the coaxial positioning unit and prevent the coaxial positioning unit from being separated from the linear guide rail.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The welding tool for the coaxiality of parts in the outer forklift mast is characterized by comprising a base (1), two linear guide rails (2) and two coaxial positioning units, wherein the two linear guide rails (2) are arranged in the middle of the top surface of the base (1) in parallel, the forklift mast (10) is arranged in the middle of the top surface of the base (1), and the two coaxial positioning units are symmetrically arranged on the linear guide rails (2) on two sides of the forklift mast (10);

the coaxial positioning unit comprises a plurality of sliding blocks (3), a base plate (4), a supporting plate (5), a positioning shaft (7) and two linear guide rail brakes (12), the sliding blocks (3) are arranged on the two linear guide rails (2) in a sliding mode, the two linear guide rail brakes (12) are respectively arranged on the two linear guide rails (2), one ends of the two linear guide rail brakes are fixedly connected with the outer sides of the sliding blocks (3), the base plate (4) is horizontally and fixedly arranged on the top surface of the sliding blocks (3), the supporting plate (5) is vertically arranged on the inner side edge of the top surface of the base plate (4), and the positioning shaft (7) is arranged on the upper portion of the inner side wall of the supporting plate (5);

the two positioning shafts (7) are coaxially arranged with a mounting hole of a front axle connecting plate (9) of the forklift gantry (10).

2. The welding tool for the coaxial parts in the outer mast of the forklift truck as claimed in claim 1, wherein a right-angled triangular reinforcing plate (6) is vertically arranged in the middle of the top surface of the base plate (4), and the other right-angled side of the reinforcing plate (6) is fixedly connected with the middle of the outer side wall of the support plate (5).

3. The welding tool for the coaxial parts in the outer mast of the forklift truck as claimed in claim 1, wherein the positioning shaft (7) is in a truncated cone shape, and the diameter of the inner side of the positioning shaft is small.

4. The welding tool for the coaxiality of the parts in the outer door frame of the forklift is characterized in that the diameter of the small end face of the positioning shaft (7) is smaller than the diameter of the mounting hole of the front axle connecting plate (9), and the diameter of the large end face of the positioning shaft (7) is larger than the diameter of the mounting hole of the front axle connecting plate (9).

5. The welding tool for the coaxiality of the parts in the outer mast of the forklift truck as claimed in claim 1, wherein the linear guide rails (2) on both sides of the sliding block (3) are provided with limit blocks (8).