Pallet fork hook spot welding device

Abstract

The utility model discloses a pallet fork hook spot welding device which comprises a fixing frame and an electric welding machine body, the electric welding machine body is arranged above the fixing frame, a groove is formed in the bottom end of the fixing frame, a first screw rod is rotationally connected in the groove, a limiting seat is installed on the first screw rod in a threaded mode, and the first screw rod is provided with a second screw rod in a threaded mode. A motor is fixedly installed on the side wall of the fixing frame, the output end of the motor is in transmission connection with a first screw rod, a first sliding rod and a second screw rod are fixedly installed at the top end of the fixing frame, lifting blocks are arranged on the first sliding rod and the second screw rod, and the lifting blocks are in threaded connection with the second screw rod. According to different welding position requirements of the hook, the fork body can be adjusted more conveniently, subsequent welding of the hook is facilitated, after the position of the fork body is adjusted, the fork body can be clamped by the two clamping plates by adjusting the two-way screw rod, fixing of the fork body is achieved, and the fork body can be conveniently welded. And subsequent welding work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of cargo forks, in particular to a cargo fork hook spot welding device. Background Art

[0002] Forklifts are industrial handling vehicles, mainly used for loading and unloading, stacking and short-distance transportation of palletized goods. They are usually powered by fuel engines or batteries and come in many types, including internal combustion forklifts, electric forklifts and warehouse forklifts. Forklifts play an important role in many fields such as warehousing, production, loading and unloading, and assembly, improving work efficiency and safety.

[0003] Forks are the most commonly used picking device for forklifts, hence the name for forklifts. Forks are usually made up of two flat metal plates that are connected together to form a "V" or "U" shape. The horizontal section is the working part for placing the goods, while the vertical section plays a supporting role. The fork is mainly responsible for the core work of picking up and moving goods, and is an indispensable device in the modern logistics industry. The hook welding position of the fork is generally welded at the bottom of the fork, which helps to ensure the stability of the welding and the stability of the overall structure. The hook on the fork is generally installed in an unfixed position and can be adjusted as needed.

[0004] Patent document CN202667984U discloses a spot welding device for a fork hook, including a column and a support rod vertically fixed to the upper end of the column, two positioning devices that move relatively along the column are symmetrically arranged inside the column, and the positioning device includes a side positioning block and a handle, and a positioning hook is fixed to the end of the side positioning block, and the side positioning block is connected to the handle through an elastic device. The utility model is simple to operate and has precise positioning. The fork and the hook are precisely positioned through the five surfaces of the flat positioning block, two side positioning blocks and two fixing strips, and the spot welding device and the fork are tightly and accurately positioned and adsorbed through the magnets arranged on each surface, which facilitates the spot welding process; and the displacement of the positioning hook driven by the spring of the handle is used to control the loading and unloading of the hook, which is convenient and quick.

[0005] As in the prior art of the above-mentioned patent, the above-mentioned welding device is suitable for welding the hook to a corresponding fixed position on the fork. However, in general, according to different usage requirements, the welding positions of the hooks on different batches of forks are different. If the above-mentioned device is used for welding, the staff is also required to adjust the heavier forks. The process is cumbersome and not convenient enough. Utility Model Content

[0006] The utility model aims to provide a fork hook spot welding device to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fork hook spot welding device, comprising a fixed frame and an electric welding machine body, the electric welding machine body is arranged above the fixed frame, the bottom end of the fixed frame is provided with a groove, the inside of the groove is rotatably connected with a first screw, a limited seat is threadedly installed on the first screw, a motor is fixedly installed on the side wall of the fixed frame, the output end of the motor is transmission connected with the first screw, the top end of the fixed frame is fixedly installed with a first slide bar and a second screw, the first slide bar and the second screw are provided with a lifting block, the lifting block is threadedly connected with the second screw, the lifting block is slidably connected with the first slide bar, a rotating shaft is rotatably connected between the two lifting blocks and the fixed frame, a lower pressure roller is fixedly installed on the rotating shaft arranged between the fixed frames, and an upper pressure roller is fixedly installed on the rotating shaft arranged between the two lifting blocks.

[0008] As a further description of the above technical solution: two connecting plates are fixedly installed on the side wall of the fixing frame, and the top ends of the two connecting plates are rotatably connected with a bidirectional screw rod and a second sliding rod respectively.

[0009] As a further description of the above technical solution: both ends of the bidirectional screw are threadedly connected with clamping plates, and the other ends of the two clamping plates are slidably connected to the second sliding rod.

[0010] As a further description of the above technical solution: the side walls on both sides of the limit seat are threadedly installed with first bolts.

[0011] As a further description of the above technical solution: two support plates are fixedly installed on the top of the fixing frame, the side walls of the two support plates are threadedly installed with second bolts, and the bottom end of the welding machine body is fixedly connected to the two support plates.

[0012] As a further description of the above technical solution: anti-slip protrusions are provided on both of the two clamping plates.

[0013] The utility model provides a spot welding device for a fork hook. It has the following beneficial effects: when it is necessary to weld a hook on a fork body, first place the bottom of the fork body above the limit seat, one end of the fork body passes through the upper pressure roller and the lower pressure roller, and by adjusting the second screw rod, the lifting and lowering of the lifting block can be realized, and the distance between the upper pressure roller and the lower pressure roller is further adjusted, so that the upper pressure roller and the lower pressure roller can clamp and support the fork, and the motor rotates, and the motor drives the first screw rod to rotate, and the limit seat can slide inside the groove, and at the same time, the upper pressure roller and the lower pressure roller can enable the fork to move smoothly, and the fork body is adjusted to a suitable position, and then the hook and the fork body are welded by the electric welding machine body, so that it is more convenient to adjust the fork body according to different welding position requirements of the hook, and it is convenient to weld the hook later, and after the position of the fork body is adjusted, the two-way screw rod can be adjusted to clamp the fork body with two clamps, so that the fork body is fixed, and it is convenient for subsequent welding work.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0015] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a fork hook spot welding device proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after the fork and the hook are removed;

[0018] Figure 3 It is a side view structural schematic diagram of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the fixing plate, the bidirectional screw and the anti-slip protrusion of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the screw, the upper pressure roller and the lower pressure roller of the utility model.

[0021] Legend:

[0022] 1. Fixed frame; 2. Groove; 3. First screw; 4. Motor; 5. Limit seat; 6. First bolt; 7. Lifting block; 8. Second screw; 9. First slide bar; 10. Upper pressure roller; 11. Lower pressure roller; 12. Rotating shaft; 13. Connecting plate; 14. Bidirectional screw; 15. Second slide bar; 16. Clamp; 17. Anti-slip protrusion; 18. Support plate; 19. Second bolt; 20. Electric welding machine body; 21. Fork body; 22. Hook body. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 A fork hook spot welding device comprises a fixed frame 1 and an electric welding machine body 20, wherein the electric welding machine body 20 is arranged above the fixed frame 1, a groove 2 is provided at the bottom end of the fixed frame 1, a first screw rod 3 is rotatably connected inside the groove 2, a limit seat 5 is threadedly installed on the first screw rod 3, a motor 4 is fixedly installed on the side wall of the fixed frame 1, and the output end of the motor 4 is transmission-connected with the first screw rod 3, a first slide bar 9 and a second screw rod 8 are fixedly installed on the top of the fixed frame 1, a lifting block 7 is provided on the first slide bar 9 and the second screw rod 8, the lifting block 7 is threadedly connected with the second screw rod 8, the lifting block 7 is slidably connected with the first slide bar 9, a rotating shaft 12 is rotatably connected between the two lifting blocks 7 and the fixed frame 1, a lower pressure roller 11 is fixedly installed on the rotating shaft 12 arranged between the fixed frames 1, and a lower pressure roller 11 is fixedly installed on the rotating shaft 12 arranged between the two lifting blocks 7 An upper pressure roller 10 is installed; when it is necessary to weld a hook on the fork body 21, the bottom of the fork body 21 is first placed above the limit seat 5, and one end of the fork body 21 passes through the upper pressure roller 10 and the lower pressure roller 11. By adjusting the second screw rod 8, the lifting and lowering of the lifting block 7 can be realized, and the distance between the upper pressure roller 10 and the lower pressure roller 11 is further adjusted so that the upper pressure roller 10 and the lower pressure roller 11 can clamp and support the fork, and the motor 4 rotates, and the motor 4 drives the first screw rod 3 to rotate, and the limit seat 5 can slide inside the groove 2. At the same time, the upper pressure roller 10 and the lower pressure roller 11 can enable the fork to move smoothly, and the fork body 21 is adjusted to a suitable position, and then the hook and the fork body 21 are welded by the electric welding machine body 20, so as to realize the different welding position requirements of the hook, and it is more convenient to adjust the fork body 21, and it is convenient to weld the hook later.

[0025] As a preferred technical solution of this embodiment, two connecting plates 13 are fixedly installed on the side wall of the fixing frame 1, and the top ends of the two connecting plates 13 are rotatably connected with a bidirectional screw rod 14 and a second sliding rod 15 respectively.

[0026] As a preferred technical solution of this embodiment, both ends of the bidirectional screw 14 are threadedly connected with clamps 16, and the other ends of the two clamps 16 are slidably connected to the second slide rod 15; after the position of the fork body 21 is adjusted, the two clamps 16 can be adjusted to clamp the fork body 21, thereby fixing the fork body 21 and facilitating subsequent welding work.

[0027] As a preferred technical solution of this embodiment, the side walls on both sides of the limit seat 5 are threadedly installed with first bolts 6; the fork body 21 inside the limit seat 5 can be fixed by the first screw rods 3 on both sides of the limit seat 5.

[0028] As a preferred technical solution of this embodiment, two support plates 18 are fixedly installed on the top of the fixing frame 1, and the side walls of the two support plates 18 are threadedly installed with second bolts 19, and the bottom end of the welding machine body 20 is fixedly connected to the two support plates 18; the hook can be fixed by the second bolts 19 on the side walls of the two support plates 18, which is convenient for welding the hook.

[0029] As a preferred technical solution of this embodiment, both of the two clamping plates 16 are provided with anti-skid protrusions 17; the anti-skid protrusions 17 provided on the clamping plates 16 can increase the friction between the clamping plates 16 and the forks to prevent slipping.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fork hook spot welding device, comprising a fixing frame (1) and a welding machine body (20), characterized in that: The welding machine body (20) is arranged above the fixing frame (1), the bottom end of the fixing frame (1) is provided with a groove (2), the inside of the groove (2) is rotatably connected with a first screw rod (3), a limit seat (5) is threadedly installed on the first screw rod (3), a motor (4) is fixedly installed on the side wall of the fixing frame (1), the output end of the motor (4) is transmission-connected with the first screw rod (3), the top end of the fixing frame (1) is fixedly installed with a first slide rod (9) and a second screw rod (8), the first A lifting block (7) is provided on a slide bar (9) and a second screw bar (8), the lifting block (7) is threadedly connected to the second screw bar (8), the lifting block (7) is slidably connected to the first slide bar (9), a rotating shaft (12) is rotatably connected between the two lifting blocks (7) and the fixed frame (1), a lower pressure roller (11) is fixedly installed on the rotating shaft (12) arranged between the fixed frame (1), and an upper pressure roller (10) is fixedly installed on the rotating shaft (12) arranged between the two lifting blocks (7).

2. A fork hook spot welding device according to claim 1, characterized in that: Two connecting plates (13) are fixedly mounted on the side wall of the fixing frame (1), and the top ends of the two connecting plates (13) are rotatably connected to a bidirectional screw rod (14) and a second sliding rod (15) respectively.

3. A fork hook spot welding device according to claim 2, characterized in that: Both ends of the bidirectional screw rod (14) are threadedly connected with clamping plates (16), and the other ends of the two clamping plates (16) are slidably connected to the second sliding rod (15).

4. A fork hook spot welding device according to claim 1, characterized in that: The side walls on both sides of the limiting seat (5) are threadedly mounted with first bolts (6).

5. A fork hook spot welding device according to claim 1, characterized in that: Two support plates (18) are fixedly mounted on the top of the fixing frame (1), and second bolts (19) are threadedly mounted on the side walls of the two support plates (18). The bottom end of the welding machine body (20) is fixedly connected to the two support plates (18).

6. A fork hook spot welding device according to claim 3, characterized in that: Anti-slip protrusions (17) are provided on the two clamping plates (16).

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