CN214602809U

CN214602809U - Positioning fixture for welding and assembling fork frame

Info

Publication number: CN214602809U
Application number: CN202120422479.3U
Authority: CN
Inventors: 白献敏; 罗莉华
Original assignee: Anhui Haoyun Machinery Co Ltd
Current assignee: Anhui Haoyun Machinery Co Ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-05
Anticipated expiration: 2031-02-24

Abstract

The utility model provides a positioning fixture for welding and assembling a fork frame, which comprises a bracket structure; the sliding mechanism is connected with the support structure and comprises a base, at least two sliding blocks and a positioning pin, wherein the upper end surface of the base is provided with a sliding groove, the two sliding blocks are arranged in the sliding groove, and the positioning pin is arranged at the top of each sliding block; and the clamping mechanism comprises a first clamping block and a second clamping block which are oppositely arranged at the two axial ends of the sliding chute and are respectively and fixedly connected with the sliding block. The utility model discloses welding mould can carry out assistance-localization real-time at the in-process of fork frame welding assembly, guarantees welding back fork frame size's welding rate and uniformity, makes fork and other attributes utensil can conveniently exchange.

Description

Positioning fixture for welding and assembling fork frame

Technical Field

The utility model relates to a welding assembly technical field of fork truck fork frame, concretely relates to positioning fixture for fork frame welding assembly.

Background

In a forklift attachment, forks are members directly used for carrying goods, a fork frame is used for mounting the forks or other replaceable attachments and driving the goods to vertically lift, and the fork frame is generally manufactured by a welding process, so that the forks and other attachments can be conveniently exchanged in order to ensure the consistency of the assembly size of the fork frame after welding.

Under the prior art, the welding assembly of fork frame generally adopts the whole electrician skill of taking of fork frame, then will take the electric fork frame and carry out the assembly welding on fixed mould, adopt the manual work to go up unloading and press from both sides tightly in the welding assembly process, efficiency is lower, can not satisfy automated production's requirement, and the position selection of the tight and setpoint of clamp simultaneously is difficult to keep unanimous, can not satisfy the requirement that the flexibility of different varieties and specification is pressed from both sides tightly, welding seam welding rate more than 90%.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and reliable welding mould guarantees fork frame welded welding rate and uniformity, makes fork and other attributes utensil conveniently exchange.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning fixture for a fork carriage weld assembly, comprising:

a scaffold structure;

the sliding mechanism is connected with the support structure and comprises a base, at least two sliding blocks and a positioning pin, wherein the upper end surface of the base is provided with a sliding groove, the two sliding blocks are arranged in the sliding groove, and the positioning pin is arranged at the top of each sliding block; and

and the clamping mechanism comprises a first clamping block and a second clamping block which are oppositely arranged at the two axial ends of the sliding chute and are respectively and fixedly connected with the sliding block.

Further, the whole rectangular frame that is of supporting structure, including preceding extension board, last roof, back splint and lower plate, the mounting hole has been seted up to last roof, slide mechanism sets up in this mounting hole.

Preferably, the front support plate, the upper top plate, the rear support plate and the lower bottom plate are further connected with each other through reinforcing rib plates and connected with the positioner through a connecting flange.

Furthermore, a through hole for fixing the sliding mechanism base, and a debugging hole and an access hole for maintenance are formed in the front support plate or the lower bottom plate.

Preferably, the edge of the mounting hole is provided with a wear-resistant block.

Further, two sliders on the outermost side in the sliding groove are also provided with position sensors.

Preferably, the first clamping block is connected with the sliding block, and the second clamping block is connected with the sliding block through a connecting plate, a dustproof guard plate and an adjusting cushion block.

According to the above technical scheme, the utility model discloses welding mould can carry out assistance-localization real-time at the in-process of fork frame welding and assembly, guarantees welding rate and the uniformity of welding back fork frame size, makes fork and other attributes utensil can conveniently exchange.

Drawings

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

FIG. 2 is a schematic view of the bracket structure of the present invention;

FIG. 3 is a schematic structural view of the lower base plate of the bracket structure of the present invention;

fig. 4 is a schematic view of the sliding mechanism of the present invention;

fig. 5 is a schematic connection diagram of the clamping mechanism and the sliding mechanism of the present invention;

fig. 6 is a schematic view of the clamping of the fork carriage and the mold of the present invention;

in the figure: 1. a scaffold structure; 11. a front support plate; 12. an upper top plate; 13. a rear support plate; 14. a lower base plate; 15. mounting holes; 16. a through hole; 17. debugging the hole; 18. an access hole; 2. a sliding mechanism; 21. a base; 22. a slider; 23. a positioning pin 31 and a first clamping block; 32. a second clamping block; 4. a position changing machine; 5. a wear-resistant block; 6. a position sensor; 7. a connecting plate; 8. a dust guard plate; 9. and adjusting the cushion block.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The positioning fixture for the welding assembly of the fork carrier shown in fig. 1 comprises a support structure 1, wherein the support structure is integrally in a cuboid frame shape and comprises a front support plate 11, an upper top plate 12, a rear support plate 13 and a lower bottom plate 14, and the front support plate, the upper top plate, the rear support plate and the lower bottom plate are further connected with one another through reinforcing rib plates so as to increase the rigidity of the overall framework and improve the bearing capacity of the overall framework; the upper top plate is provided with a mounting hole 15, a sliding mechanism 2 is arranged in the mounting hole, and the sliding mechanism comprises a base 21, four sliding blocks 22 and a positioning pin 23, wherein the upper end surface of the base 21 is provided with a sliding groove, the four sliding blocks 22 are arranged in the sliding groove, and the positioning pin 23 is arranged at the top of each sliding block; and the clamping mechanism comprises a first clamping block 31 and a second clamping block 32 which are oppositely arranged at the two axial ends of the sliding chute and are respectively and fixedly connected with the sliding block, and in specific use, the first clamping block and the second clamping block are respectively used for clamping the upper cross beam and the lower cross beam of the fork frame.

Specifically, the reinforcing rib plate is connected with a positioner 4 through a connecting flange, the positioner for welding generally comprises a workbench slewing mechanism and a turnover mechanism, workpieces fixed on the workbench reach required welding and assembling angles through lifting, turnover and rotation of the workbench, and the workbench is rotated to achieve variable-frequency stepless speed regulation so as to obtain a proper welding speed.

As shown in fig. 2 and 3, the sliding mechanism 2 according to the preferred embodiment is driven by compressed air, specifically, the sliding mechanism can be connected to the sliding block 22 through the pneumatic clamp and drive the sliding block to slide, and only an air channel needs to be formed on the base of the sliding mechanism and the air channel is connected to the pneumatic clamp and the air compressor; the through-hole 16 that is used for fixed slide mechanism base 21 and the debugging hole 17, the access hole 18 that are used for the maintenance to maintain are still seted up on preceding extension board 11 or the lower plate 14, guarantee slide mechanism's normal operating, position sensor 6 is still installed to two sliders in the outside in the spout, under compressed air's drive, the slider can be controlled and remove to the tight piece of clamp on the drive slider removes together, plays the effect of pressing from both sides tightly and unclamping the work piece, and slider top locating pin is used for the work piece on the solid fixed sliding block, in concrete use, the utility model discloses can combine robot and the backstage control system of automatic unloading to use, realize the welding of automatic fork frame, can respond to the displacement of slider through position sensor 6, transmit position signal for control system simultaneously, guarantee that the work piece is in and presss from both sides tightly or unclamp the state.

As shown in fig. 4, in order to reduce the abrasion on the workpiece during the clamping process and ensure the welding precision and quality, the preferred embodiment is provided with the wear-resistant block 5 at the edge of the mounting hole 15, so as to avoid the abrasion caused by the direct contact between the fork frame and the bracket structure 1 during the welding process; as shown in fig. 5 and 6, in a specific use, the bottom parts of the first clamping block 31 and the second clamping block 32 are provided with notches inwards for limiting a pallet fork frame beam workpiece, the first clamping block is connected with the sliding block, the second clamping block is connected with the sliding block through a connecting plate 7 for ensuring the stability of the first clamping block, a dustproof guard plate 8 and an adjusting cushion block 9 for adjusting the height, and the dustproof guard plate is flush with the upper end face of the upper top plate, so that splashes generated in the welding process of the pallet fork frame can be prevented from falling into the sliding mechanism, and the service life of the sliding mechanism is prolonged.

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A positioning fixture for a fork carriage weld assembly, comprising:

a support structure (1);

the sliding mechanism (2) is connected with the support structure and comprises a base (21) with a sliding groove in the upper end face, at least two sliding blocks (22) arranged in the sliding groove and a positioning pin (23) arranged at the top of each sliding block; and

and the clamping mechanism comprises a first clamping block (31) and a second clamping block (32) which are oppositely arranged at the two axial ends of the sliding chute and are respectively and fixedly connected with the sliding block.

2. The positioning jig for welding assembly of a fork carriage as claimed in claim 1, wherein the bracket structure is generally rectangular parallelepiped frame-shaped and comprises a front support plate (11), an upper top plate (12), a rear support plate (13) and a lower bottom plate (14), the upper top plate is provided with a mounting hole (15), and the sliding mechanism is disposed in the mounting hole.

3. The positioning jig for welding assembly of a fork carriage as claimed in claim 2, wherein the front plate (11), the upper top plate (12), the rear plate (13) and the lower base plate (14) are further connected to each other by a reinforcing rib plate and connected to the positioner (4) by a connecting flange.

4. The positioning fixture for welding and assembling the fork carrier as claimed in claim 2, wherein the front support plate (11) or the lower base plate (14) is provided with through holes (16) for fixing the base of the sliding mechanism, debugging holes (17) and service holes (18) for maintenance.

5. A positioning fixture for a fork carriage weld fitting according to claim 2, characterized in that the edges of the mounting holes (15) are provided with wear blocks (5).

6. The positioning jig for welding assembly of a fork carriage as claimed in claim 1, wherein the outermost two sliders in the chute are further mounted with position sensors (6).

7. The positioning fixture for welding assembly of a fork carriage as claimed in claim 1, wherein the first clamping block (31) and the sliding block, and the second clamping block (32) and the sliding block are connected through the connecting plate (7), the dust guard (8) and the adjusting cushion block (9).