Platform lift welding device

Abstract

The utility model discloses a platform lift welding device, which belongs to the technical field of platform lift welding, and comprises a placing platform, wherein two sides above the placing platform are respectively fixedly connected with connecting blocks, bearings are respectively clamped in the two connecting blocks, and the same threaded rod is rotatably connected in the two bearings; the utility model is provided with a threaded rod, a threaded sleeve, a positioning clamp, a first bevel block, a second bevel block and a positioning plate, so that when the threaded rod is rotated by using opposite threads on both sides, two threaded sleeves threadedly matched with the threaded rod can respectively drive the positioning clamps to approach each other, so that the two positioning plates can position other components, and then the device can position these components more comprehensively, so that the components are not easy to be offset during the welding process, thereby effectively improving the welding accuracy, thereby reducing the number of defective products, and reducing the probability of component waste.

Description

Technical Field

[0001] The utility model belongs to the technical field of platform lift welding, and in particular relates to a platform lift welding device. Background Art

[0002] The platform fence pedal of the lift truck is mainly composed of two side beams and two side plates. There is a bottom plate between the side beams and the side plates. Two connecting beams need to be welded on the upper part of the side beams. At present, the combination of these components usually needs to be welded and assembled using a welding device.

[0003] However, it is difficult for the existing platform lift welding device to comprehensively position these components, which often causes the components to shift during the welding process, thereby affecting the welding accuracy. As a result, some products after welding fail to meet the requirements of Party A, resulting in waste of components. Therefore, a platform lift welding device is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a platform lifting vehicle welding device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a platform lifting vehicle welding device, comprising a placing platform, connecting blocks are fixedly connected on both sides above the placing platform, bearings are respectively clamped in the two connecting blocks, the same threaded rod is rotatably connected in the two bearings, the threads on both sides of the threaded rod are arranged oppositely, one end of the threaded rod is fixedly connected to a motor, the output shaft of the motor is fixedly connected to one end of the threaded rod, the threaded rod is externally threaded with two threaded sleeves, the two threaded sleeves are respectively fixedly connected to connecting rods, the top ends of the two connecting rods are fixedly connected to positioning clamps, and one side of the two positioning clamps is respectively fixedly connected to a first inclined block.

[0006] Connecting columns are fixedly connected to the four corners above the placement platform, and the top ends of the four connecting columns are fixedly connected to the same supporting platform. Two second inclined plane blocks are arranged above the supporting platform, and the positions of the two second inclined plane blocks correspond to those of the two first inclined plane blocks. Positioning plates are fixedly connected to one side of the two second inclined plane blocks, and a welding mechanism is arranged inside the supporting platform.

[0007] As a preferred implementation, the threaded sleeve is fixedly connected to a limiting rod outside, and the bottom of the second inclined block is fixedly connected to a limiting block.

[0008] As a preferred implementation, a limiting groove is provided above the placement platform, and the two limiting rods are both located in the limiting groove.

[0009] As a preferred implementation, a through hole is opened above the support platform, and the two connecting rods are both located in the through hole.

[0010] As a preferred implementation, two slide grooves are provided above the support platform, and the two limit blocks are respectively located in the two slide grooves.

[0011] As a preferred implementation, a motor fixing block is fixedly connected to the outside of the motor, and one side of the motor fixing block is fixedly connected to one side of the placement platform.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a threaded rod, a threaded sleeve, a positioning clamp, a first inclined surface block, a second inclined surface block and a positioning plate, so that the threaded rod utilizes the opposite threads on both sides so that when it rotates, the two threaded sleeves threadedly matched with the threaded rod can respectively drive the positioning clamps to approach each other, so that when the two positioning clamps approach each other to a certain position, some components can be positioned, and at the same time, the two positioning clamps can respectively drive the first inclined surface block to approach each other synchronously, so that when the two second inclined surface blocks are respectively squeezed by the first inclined surface block, the two second inclined surface blocks can respectively drive the positioning plates to approach each other by utilizing the cooperation of the inclined surfaces, so that the purpose of the two positioning plates positioning other components is achieved, and then this device can perform more comprehensive positioning of these components, making it difficult for the components to be offset during the welding process, thereby effectively improving the welding accuracy, thereby reducing the number of defective products, and reducing the probability of component waste.

[0014] The utility model provides a limiting groove and a sliding groove. The limiting groove allows the limiting rod to have space to move, so that when the threaded sleeve uses the limiting rod to drive the positioning clamp to move in the limiting groove, it is difficult for instability to occur, and the stability of the two positioning clamps when they are close to each other is effectively improved. The sliding groove allows the second inclined block to have good stability when moving with the limiting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural diagram of the threaded rod of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the second inclined surface block of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the placement platform and the support platform of the utility model.

[0019] In the figure: 1. placing platform; 2. connecting block; 3. bearing; 4. threaded rod; 5. motor; 6. threaded sleeve; 7. connecting rod; 8. positioning clamp; 9. first inclined block; 10. connecting column; 11. supporting platform; 12. second inclined block; 13. positioning plate; 14. welding mechanism; 15. limiting rod; 16. limiting block; 17. limiting groove; 18. through hole; 19. slide groove; 20. motor fixing block. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-4 The utility model provides a platform lifting vehicle welding device, including a placing platform 1, a limiting groove 17 is provided above the placing platform 1, and two limiting rods 15 are both located in the limiting groove 17, so that the threaded sleeve 6 has good stability when moving in the limiting groove 17 by using the limiting rod 15, and prevents the two positioning clamps 8 from accidentally rotating when they are close to each other, and other unstable situations;

[0023] The two sides above the placement platform 1 are respectively fixedly connected with connecting blocks 2, bearings 3 are respectively clamped in the two connecting blocks 2, and the same threaded rod 4 is rotatably connected in the two bearings 3. The threads on both sides of the threaded rod 4 are arranged to be opposite, and the threaded sleeve 6 is fixedly connected to the limit rod 15 outside, and the bottom of the second inclined surface block 12 is fixedly connected to the limit block 16, so that the threaded sleeve 6 has good stability when moving in the limit groove 17 by using the limit rod 15, and the second inclined surface block 12 also has good stability when moving in the slide groove 19 by using the limit block 16;

[0024] One end of the threaded rod 4 is fixedly connected to a motor 5, and an output shaft of the motor 5 is fixedly connected to one end of the threaded rod 4, so that when the motor 5 is running, the output shaft can drive the threaded rod 4 to rotate smoothly;

[0025] The motor 5 is fixedly connected to a motor fixing block 20, one side of the motor fixing block 20 is fixedly connected to one side of the placement platform 1, and the motor fixing block 20 enables the motor 5 to effectively reduce vibration and other adverse effects caused by operation, thereby ensuring the stability of the motor 5 during operation;

[0026] The threaded rod 4 is externally threadedly connected to two threaded sleeves 6, and the two threaded sleeves 6 are respectively fixedly connected to connecting rods 7, and the tops of the two connecting rods 7 are fixedly connected to positioning clamps 8, so that when the threaded rod 4 rotates, the two threaded sleeves 6 threadedly matched therewith can use the opposite threads on both sides of the threaded rod 4 to respectively drive the positioning clamps 8 to work close to each other, so as to achieve the purpose of positioning some components by the two positioning clamps 8;

[0027] One side of the two positioning clamps 8 is respectively fixedly connected with the first inclined surface block 9, and the four corners above the placement platform 1 are respectively fixedly connected with connecting columns 10, and the tops of the four connecting columns 10 are fixedly connected with the same supporting platform 11. A through hole 18 is opened above the supporting platform 11, and the two connecting rods 7 are both located in the through hole 18. The through hole 18 allows the connecting rod 7 to have space to move, so that the two connecting rods 7 can drive the positioning clamps 8 to work smoothly close to each other;

[0028] Two slide grooves 19 are provided above the support platform 11, and two limit blocks 16 are respectively located in the two slide grooves 19, so that the second inclined plane block 12 has good stability when moving in the slide groove 19 by means of the limit blocks 16, and prevents the second inclined plane block 12 from accidentally deviating when being squeezed by the first inclined plane block 9;

[0029] Two second inclined plane blocks 12 are arranged above the support platform 11. The positions of the two second inclined plane blocks 12 correspond to the positions of the two first inclined plane blocks 9. Positioning plates 13 are fixedly connected to one side of the two second inclined plane blocks 12, respectively, so that when the two positioning clamps 8 drive the first inclined plane blocks 9 to approach each other, the two second inclined plane blocks 12 can be squeezed by the inclined surfaces of the two first inclined plane blocks 9, so that the two second inclined plane blocks 12 can drive the positioning plates 13 to approach each other, so as to achieve the purpose of positioning some components by the two positioning plates 13;

[0030] A welding mechanism 14 is provided in the supporting platform 11, and the welding mechanism 14 can perform a welding process on the components being positioned, so as to achieve the purpose of assembling the components of the platform fence pedal of the lifting vehicle.

[0031] The working principle and use process of this utility model:

[0032] When welding is required between the parts of the platform fence pedal of the lift truck, the bottom plate is first placed on the supporting platform 11, and then the two side beams and the two side plates are placed around the bottom plate. At this time, the motor 5 can be started, so that the output shaft of the motor 5 drives the threaded rod 4 to rotate. When the threaded rod 4 rotates, the two threaded sleeves 6 that are threadedly matched with the two opposite threads on both sides can respectively drive the positioning clamps 8 to work closer to each other;

[0033] At the same time, the two positioning clamps 8 can respectively drive the first inclined surface blocks 9 to move towards each other synchronously, so that when the two first inclined surface blocks 9 move to the two second inclined surface blocks 12, the inclined surface extrusion between the two can be used to cause the two second inclined surface blocks 12 to respectively drive the positioning plates 13 to move towards each other, so as to achieve the purpose of positioning between the bottom plate and the side beam side plates by the two positioning clamps 8 and the two positioning plates 13, and then the welding mechanism 14 can be used to perform the welding process between the components.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A platform lifting vehicle welding device, comprising a placement platform (1), characterized in that: The two sides above the placement platform (1) are respectively fixedly connected with connection blocks (2), the two connection blocks (2) are respectively clamped with bearings (3), the two bearings (3) are rotatably connected with the same threaded rod (4), the threads on both sides of the threaded rod (4) are arranged in opposite directions, one end of the threaded rod (4) is fixedly connected with a motor (5), the output shaft of the motor (5) is fixedly connected with one end of the threaded rod (4), the threaded rod (4) is externally threadedly connected with two threaded sleeves (6), the two threaded sleeves (6) are respectively externally fixedly connected with connection rods (7), the top ends of the two connection rods (7) are fixedly connected with positioning clamps (8), and one side of the two positioning clamps (8) is respectively fixedly connected with a first inclined surface block (9); Connecting columns (10) are fixedly connected at the four corners above the placement platform (1), and the top ends of the four connecting columns (10) are fixedly connected to the same support platform (11). Two second inclined plane blocks (12) are provided above the support platform (11), and the positions of the two second inclined plane blocks (12) correspond to those of the two first inclined plane blocks (9). Positioning plates (13) are fixedly connected to one side of the two second inclined plane blocks (12), and a welding mechanism (14) is provided inside the support platform (11).

2. The platform lifting vehicle welding device according to claim 1, characterized in that: The threaded sleeve (6) is fixedly connected to a limiting rod (15) on the outside, and the bottom of the second inclined surface block (12) is fixedly connected to a limiting block (16).

3. The platform lifting vehicle welding device according to claim 2, characterized in that: A limiting groove (17) is provided above the placement platform (1), and the two limiting rods (15) are both located in the limiting groove (17).

4. The platform lifting vehicle welding device according to claim 1, characterized in that: A through hole (18) is provided above the support platform (11), and the two connecting rods (7) are both located in the through hole (18).

5. The platform lifting vehicle welding device according to claim 2, characterized in that: Two slide grooves (19) are provided above the support platform (11), and the two limit blocks (16) are respectively located in the two slide grooves (19).

6. The platform lifting vehicle welding device according to claim 1, characterized in that: The motor (5) is fixedly connected to a motor fixing block (20) outside, and one side of the motor fixing block (20) is fixedly connected to one side of the placement platform (1).

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