Fork foot welding tool for forklift

Abstract

The utility model relates to the technical field of welding tools, and discloses a forklift fork foot welding tool which comprises a welding table, a plurality of forklift feet to be welded are placed on the welding table, a plurality of sets of positioning units are arranged on the welding table, and each positioning unit comprises at least four positioning blocks arranged on the welding table. The multiple positioning blocks are symmetrically located on the two sides of the forklift feet respectively, at least two same movable adjusting plates are arranged on the lower surface of the welding table, and the lower side face of each positioning block is fixedly connected with a sliding column which penetrates through the welding table and can slide on the welding table. According to the forklift foot clamping device, the movable adjusting plate is arranged, when the movable adjusting plate moves, the sliding columns are driven to slide in the sliding grooves, the sliding columns drive the corresponding positioning blocks to position and clamp the multiple forklift feet, the multiple forklift feet can be rapidly and simultaneously clamped and positioned, and the forklift feet of different models can be located and clamped; and therefore, the welding efficiency of the forklift feet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tooling, in particular to a forklift fork foot welding tooling. Background Art

[0002] In modern production, welding is used more and more. In the welding of forklift fork legs, the forklift fork legs are usually fixed on the welding tooling and then welded.

[0003] In order to facilitate the welding of forklift fork legs, the prior art has made many improvements to the forklift fork leg welding tooling. For example, the patent with patent announcement number CN214868152U discloses a forklift leg robot welding workstation, including: a welding machine power supply, a control cabinet, a positioner and a welding robot. The positioners are symmetrically installed on the front and rear sides of the welding robot, and the transmission end of the positioner is detachably installed with a tooling fixture: the tooling fixture includes: a transmission plate, a positioning component 1, a positioning component 2 and a positioning component 3; the transmission plate is provided with positioning components 1, 2 and 3 from left to right in sequence; the positioning component 1 includes: an adjustment plate, a placement plate 1, an L-shaped plate 1 and a positioning pin 1; the adjustment plate is installed on the transmission plate, and the right end of the adjustment plate can be adjusted and locked with a placement plate 1, and the front and rear ends of the placement plate 1 are symmetrically provided with an L-shaped plate 1, and a positioning pin 1 slides through the L-shaped plate 1, so that products of the same specifications but different lengths can be mass-produced, which greatly reduces the input of manpower and improves production efficiency at the same time.

[0004] The above patent has obvious beneficial effects, but still has the following shortcomings in actual operation:

[0005] In the above-mentioned comparative document, several positioning components are used, and the positioning components are manually operated to position the forklift feet and then welded. However, in actual operation, only one forklift foot can be positioned at a time, and the positioning is performed manually, which reduces the efficiency of welding the forklift feet. At the same time, when positioning forklift feet of different models, several positioning components need to be adjusted in a targeted manner, which is troublesome when positioning forklift feet of different models. Therefore, there is an urgent need in this field to improve the forklift fork foot welding tooling to solve the defects of the prior art. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a forklift fork foot welding tool, which can quickly and simultaneously clamp and position a plurality of forklift feet, and can position and clamp forklift feet of different models, thereby improving the welding efficiency of the forklift feet.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a forklift fork foot welding tool, comprising a welding table, a plurality of forklift feet to be welded are placed on the welding table, a plurality of positioning units are provided on the welding table, the positioning units include at least four positioning blocks arranged on the welding table, and the plurality of positioning blocks are symmetrically located on both sides of the forklift feet, and at least two identical movable adjustment plates are provided on the lower surface of the welding table, and the lower side of each of the positioning blocks is fixedly connected to a sliding column that passes through the welding table and can slide on the welding table, a plurality of first sliding grooves and second sliding grooves that are adapted to the sliding column are provided on the movable adjustment plate, and the first sliding grooves and the second sliding grooves are in an eight-shaped shape, and a third sliding groove that is adapted to the sliding column is provided on the welding table, a driving unit for driving the plurality of movable adjustment plates to move simultaneously is provided on one side of the welding table, and an end alignment unit for aligning the ends of the plurality of forklift feet is provided on the upper surface of the welding table.

[0008] Preferably, the driving unit includes a driving motor fixedly mounted on one side of the welding table, a screw rod having one end fixedly mounted on the output end of the driving motor and rotatably connected to the lower side of the welding table, a moving block is fixedly connected to the lower side of each movable adjustment plate, and the screw rod passes through several moving blocks and is threadedly connected to the moving blocks.

[0009] Preferably, the end alignment unit includes a positioning plate arranged on the upper surface of the welding table, a slider is fixedly installed on the lower side of the positioning plate, a slide groove adapted to the slider is opened on the upper surface of the welding table, an adjusting bolt extends through one end of one side of the welding table into the slide groove, the adjusting bolt is rotatably connected in the slide groove and passes through the slider and is threadedly connected to the slider, and a limiting nut is threadedly connected to the side of the adjusting bolt.

[0010] Preferably, a guide rod is provided on one side of each positioning block, a pressure plate is fixedly installed on the outer end of the guide rod, and a spring sleeved on the side of the guide rod is fixedly connected between one side of the pressure plate and one side of the positioning block.

[0011] Preferably, each of the positioning blocks is provided with a guide groove adapted to the guide rod, the guide rod and the guide groove are sealed, a connecting pipe is provided between the positioning blocks located on one side of the forklift foot, both ends of the connecting pipe are rotatably connected with connecting heads, the connecting heads are threadedly connected to the positioning blocks, and the positioning blocks are rotatably connected to the sliding columns.

[0012] Preferably, a limiting block is fixedly connected to a side surface of the sliding column, and a limiting groove adapted to the limiting block is provided between opposite side walls in the third sliding groove.

[0013] Preferably, a plurality of limit rods are fixedly connected below the welding table, and a sliding plate sleeved on the side of the limit rod is fixedly connected to the lower surface of each movable adjustment plate.

[0014] In view of the deficiencies of the prior art, the utility model provides a forklift fork foot welding tooling, which overcomes the deficiencies of the prior art. The beneficial effects of the utility model are:

[0015] 1. In the utility model, a movable adjustment plate is provided. When the movable adjustment plate moves, the sliding column is driven to slide in the sliding groove. The sliding column drives the corresponding positioning block to position and clamp a plurality of forklift feet, thereby realizing rapid and simultaneous clamping and positioning of a plurality of forklift feet, and can position and clamp forklift feet of different models, thereby improving the welding efficiency of the forklift feet.

[0016] 2. In the present invention, by providing an end alignment unit, the position of the positioning plate can be adjusted according to the size of the forklift foot by adjusting the bolt, the slider, the slide groove and the limit nut, thereby improving the accuracy of positioning a plurality of forklift feet.

[0017] 3. In the utility model, by providing a connecting pipe, a guide column, a pressure plate and a spring, the forklift foot with an irregular side surface can still be clamped and positioned, thereby improving the applicable scope of positioning and clamping the forklift foot.

[0018] 4. In the utility model, the positioning block and the sliding column are rotatably connected, and the connecting heads at both ends of the connecting pipe are matched, so that the forklift foot with a narrow width can also be positioned and clamped, further improving the application range of the positioning welding of the forklift foot.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0021] Figure 1 This is a schematic diagram of the structure of the utility model when clamping a forklift foot;

[0022] Figure 2 This is a schematic diagram of the structure of the utility model when clamping a forklift foot, viewed from the side;

[0023] Figure 3 This is a schematic diagram of the structure of the utility model when there is no forklift foot clamped;

[0024] Figure 4 It is a schematic structural diagram of a cross-section of a welding platform in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the movable adjustment plate in the utility model;

[0026] Figure 6 It is a schematic structural diagram of a cross-section of a positioning block in the utility model;

[0027] Figure 7 for Figure 3 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1, welding table; 2, forklift foot; 3, positioning block; 4, movable adjustment plate; 5, sliding column; 6, first sliding groove; 7, second sliding groove; 8, third sliding groove; 9, driving unit; 10, end alignment unit; 11, driving motor; 12, screw rod; 13, moving block; 14, positioning plate; 15, slider; 16, slide groove; 17, adjusting bolt; 18, limit nut; 19, guide rod; 20, pressure plate; 21, spring; 22, guide groove; 23, connecting pipe; 24, connector; 25, limit block; 26, limit groove; 27, limit rod; 28, sliding plate. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1

[0031] See also Figure 1-Figure 7 A forklift fork foot welding tool comprises a welding platform 1, on which a plurality of forklift feet 2 to be welded are placed, and a plurality of positioning units are arranged on the welding platform 1, wherein the positioning units comprise at least four positioning blocks 3 arranged on the welding platform 1, and the plurality of positioning blocks 3 are symmetrically located on both sides of the forklift feet 2, and at least two identical movable adjustment plates 4 are arranged on the lower surface of the welding platform 1, and a sliding column 5 which penetrates the welding platform 1 and can slide on the welding platform 1 is fixedly connected to the lower side surface of each positioning block 3, and a plurality of first sliding grooves 6 and second sliding grooves 7 which are adapted to the sliding columns 5 are opened on the movable adjustment plate 4, and the first sliding grooves 6 and the second sliding grooves 7 are arranged on the movable adjustment plate 4. The groove 7 is in an eight-shaped shape, and a third sliding groove 8 adapted to the sliding column 5 is opened through the welding table 1. A driving unit 9 for driving several movable adjustment plates 4 to move simultaneously is provided on one side of the welding table 1. An end alignment unit 10 for aligning the ends of several forklift feet 2 is provided on the upper surface of the welding table 1. The driving unit 9 includes a driving motor 11 fixedly mounted on one side of the welding table 1. A screw rod 12 with one end fixedly mounted on the output end of the driving motor 11 is rotatably connected to the bottom of the welding table 1. A moving block 13 is fixedly connected to the lower side of each movable adjustment plate 4. The screw rod 12 penetrates several moving blocks 13 and is threadedly connected to the moving blocks 13.

[0032] Specific implementation method in this embodiment: when it is necessary to weld the forklift feet 2 used on the forklift, place several forklift feet 2 between the corresponding positioning units, and align one end of several forklift feet 2 through the end alignment unit 10, then start the drive motor 11, the output end of the drive motor 11 drives the screw rod 12 to rotate, the screw rod 12 drives several moving blocks 13 to move, and the moving block 13 drives the moving adjustment plate 4 to move. Since the first sliding groove 6 and the second sliding groove 7 on the moving adjustment plate 4 are inclined, and the two sliding columns 5 are respectively inserted in the first sliding groove 6 or the second sliding groove 7 and the third sliding groove 8, and the third sliding groove 8 is parallel to the moving adjustment plate 4, the moving adjustment plate 4 is moved. When the plate 4 moves, the sliding column 5 is squeezed through the first sliding groove 6 and the second sliding groove 7, and then the two sliding columns 5 move toward each other in the third sliding groove 8, and the sliding column 5 drives the corresponding positioning block 3 to move and clamp and position the forklift foot 2, so as to realize rapid and simultaneous clamping and positioning of several forklift feet 2, and the number of the above-mentioned positioning units is not limited, and can be multiple, so as to position and clamp forklift feet 2 of different models, and after several forklift feet 2 are positioned, several forklift feet 2 are welded simultaneously or sequentially by an automatic welding device, so as to improve the efficiency of welding the forklift feet 2, and the automatic welding device is an existing well-known technology, such as a welding robot arm, which will not be described in detail here.

[0033] Among them, the above-mentioned drive motor 11 can be purchased on the market. It is a mature technology and has been fully disclosed, so it is not repeated in the specification. The drive motor 11 is equipped with a power connection line, and it is electrically connected to the external main controller and 220V phase voltage (or 380V line voltage) through the power line, and the main controller can be a conventional known device such as a computer that plays a control role.

[0034] Embodiment 2

[0035] See also Figure 1 , Figure 3 and Figure 7 This embodiment includes the above-mentioned embodiment, wherein the end alignment unit 10 includes a positioning plate 14 arranged on the upper surface of the welding table 1, a slider 15 is fixedly installed on the lower side of the positioning plate 14, a slide groove 16 adapted to the slider 15 is opened on the upper surface of the welding table 1, and an adjusting bolt 17 extending from one end through one side of the welding table 1 to the slide groove 16, the adjusting bolt 17 is rotatably connected in the slide groove 16 and passes through the slider 15 and is threadedly connected to the slider 15, and a limiting nut 18 is threadedly connected to the side of the adjusting bolt 17.

[0036] The specific implementation method in this embodiment is as follows: when it is necessary to position the ends of several forklift feet 2, the position of the positioning plate 14 is adjusted according to the size of the forklift feet 2. When adjusting the positioning plate 14, the adjusting bolt 17 is rotated. When the adjusting bolt 17 rotates, the slider 15 is driven to slide in the slide groove 16. The slider 15 drives the positioning plate 14 to move. After the position of the positioning plate 14 is adjusted, the limit nut 18 is tightened to limit and fix the position of the adjusting bolt 17.

[0037] Implementation Three

[0038] See also Figure 1 , Figure 3 , Figure 4 and Figure 6 , this embodiment includes all the above embodiments, which further includes: a guide rod 19 is penetrated on one side of each positioning block 3, a pressure plate 20 is fixedly installed on one end of the guide rod 19 located on the outside, a spring 21 sleeved on the side of the guide rod 19 is fixedly connected between one side of the pressure plate 20 and one side of the positioning block 3, and each positioning block 3 is provided with a guide groove 22 adapted to the guide rod 19, the guide rod 19 and the guide groove 22 are sealed, a connecting pipe 23 is provided between the positioning blocks 3 on one side of the forklift foot 2, and the two ends of the connecting pipe 23 are rotatably connected with a connector 24, the connector 24 is threadedly connected to the positioning block 3, and the positioning block 3 is rotatably connected to the sliding column 5.

[0039] Specific implementation method of this embodiment: In reality, there are many forklift feet 2 with irregular shapes on the side. When positioning and clamping the forklift feet 2 with irregular shapes on the side, the first thing that contacts the side of the forklift foot 2 is the pressure plate 20. The pressure plate 20 squeezes the guide rod 19 to move in the guide groove 22. At the same time, the spring 21 is compressed, and the connecting pipe 23 squeezes the other guide rod 19 to move in the opposite direction in the guide groove 22. It is suitable for when the two pressure plates 20 are tightly against the side of the forklift foot 2, the forklift foot 2 is limited and positioned. It is suitable for positioning forklift feet 2 with different shapes, and improves the positioning and clamping of the forklift foot 2. Scope of application: When the two positioning blocks 3 move away from each other, the tension of the spring 21 pushes the pressure plate 20 back to the starting position, and the positioning block 3 is rotatably connected to the sliding column 5. If it is necessary to position the forklift foot 2 with a narrower width, the connecting pipe 23 is disassembled through the connecting head 24, and the corresponding positioning block 3 is rotated, and the connecting pipe 23 is installed again through the connecting head 24. The forklift foot 2 with a narrower width is placed between adjacent positioning units. By moving the movable adjustment plate 4 in the opposite direction, the forklift foot 2 with a narrower width can also be positioned and clamped, further improving the scope of application of positioning welding of the forklift foot 2.

[0040] Implementation Four

[0041] See also Figure 3 , Figure 4 and Figure 5 This embodiment includes all the above embodiments, and further includes: a limiting block 25 is fixedly connected to the side of the sliding column 5, a limiting groove 26 adapted to the limiting block 25 is opened between the opposite side walls in the third sliding groove 8, and a plurality of limiting rods 27 are fixedly connected under the welding table 1, and a sliding plate 28 mounted on the side of the limiting rod 27 is fixedly connected to the lower surface of each movable adjustment plate 4.

[0042] The specific implementation method of this embodiment is as follows: the sliding column 5 slides in the limiting groove 26 through the limiting block 25 to limit the position of the sliding column 5. When the movable adjustment plate 4 moves, the sliding plate 28 slides on the side of the limiting rod 27 to limit the position of the movable adjustment plate 4.

[0043] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A forklift fork foot welding tool, comprising a welding table (1), on which a plurality of forklift feet (2) to be welded are placed, characterized in that: The welding platform (1) is provided with a plurality of positioning units, the positioning units comprising at least four positioning blocks (3) arranged on the welding platform (1), the plurality of positioning blocks (3) being symmetrically located on both sides of the forklift foot (2), the lower surface of the welding platform (1) being provided with at least two identical movable adjustment plates (4), the lower side surface of each positioning block (3) being fixedly connected with a sliding column (5) penetrating the welding platform (1) and being able to slide on the welding platform (1), the movable adjustment plate (4) being provided with a plurality of first sliding grooves (6) and second sliding grooves (7) adapted to the sliding column (5), the first sliding grooves (6) and the second sliding grooves (7) being in an "eight" shape, the welding platform (1) being provided with a third sliding groove (8) adapted to the sliding column (5), one side of the welding platform (1) being provided with a driving unit (9) for driving the plurality of movable adjustment plates (4) to move simultaneously, and the upper surface of the welding platform (1) being provided with an end alignment unit (10) for aligning the ends of the plurality of forklift feet (2).

2. A forklift fork foot welding tool according to claim 1, characterized in that: The driving unit (9) comprises a driving motor (11) fixedly mounted on one side of the welding table (1); a screw rod (12) having one end fixedly mounted on the output end of the driving motor (11) is rotatably connected below the welding table (1); a moving block (13) is fixedly connected to the lower side of each of the movable adjustment plates (4); and the screw rod (12) passes through a plurality of moving blocks (13) and is threadedly connected to the moving blocks (13).

3. A forklift fork foot welding tool according to claim 1, characterized in that: The end alignment unit (10) comprises a positioning plate (14) arranged on the upper surface of the welding platform (1), a slider (15) is fixedly mounted on the lower side of the positioning plate (14), a slide groove (16) adapted to the slider (15) is opened on the upper surface of the welding platform (1), an adjusting bolt (17) is passed through one end of one side of the welding platform (1) and extends into the slide groove (16), the adjusting bolt (17) is rotatably connected in the slide groove (16) and passes through the slider (15) and is threadedly connected to the slider (15), and a side surface of the adjusting bolt (17) is threadedly connected to a limiting nut (18).

4. A forklift fork foot welding tool according to claim 1, characterized in that: A guide rod (19) is provided on one side of each positioning block (3); a pressure plate (20) is fixedly mounted on the outer end of the guide rod (19); and a spring (21) sleeved on the side of the guide rod (19) is fixedly connected between one side of the pressure plate (20) and one side of the positioning block (3).

5. A forklift fork foot welding tool according to claim 4, characterized in that: Each positioning block (3) is provided with a guide groove (22) adapted to the guide rod (19); the guide rod (19) and the guide groove (22) are sealed; a connecting pipe (23) is provided between the positioning blocks (3) on one side of the forklift foot (2); two ends of the connecting pipe (23) are rotatably connected with connecting heads (24); the connecting heads (24) are threadedly connected to the positioning block (3); and the positioning block (3) is rotatably connected to the sliding column (5).

6. The forklift fork foot welding tool according to claim 1, characterized in that: The side of the sliding column (5) is fixedly connected to a limiting block (25), and a limiting groove (26) adapted to the limiting block (25) is provided between opposite side walls in the third sliding groove (8).

7. The forklift fork foot welding tool according to claim 1, characterized in that: A plurality of limiting rods (27) are fixedly connected below the welding platform (1), and a sliding plate (28) sleeved on the side of the limiting rod (27) is fixedly connected to the lower surface of each movable adjustment plate (4).

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