Welding and grinding equipment for semitrailer

Abstract

The utility model discloses welding and polishing equipment for a semi-trailer. The welding and polishing equipment comprises a steel pipe and an operation table. A base is arranged on the operation table, a groove is formed in the base, through grooves capable of communicating with the groove are formed in the front face and the back face of the base, a plurality of supporting assemblies are slidably arranged on the base, and a driving assembly is arranged on the operation table and located on one side of the base. A polishing assembly is arranged on the operation table and located on the rear side of the base. The polishing assembly comprises an L-shaped support, a C-shaped limiting frame is arranged at the end of the support, a cover plate is hinged to one end of the limiting frame, and the cover plate and the limiting frame jointly form a circular ring and are detachably connected through bolts. The sand ring is used for rotatably polishing the weld joint of the steel pipe, the sand ring is in all-dimensional contact with the weld joint, the contact area is increased, and the polishing effect is improved by matching with the motor for driving to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of metal grinding, in particular to a semi-hook welding and grinding device. Background Art

[0002] Semi-trailers are heavy-duty transport vehicles that are mainly used to transport bulky goods that are difficult to disassemble. They are mostly used for long-distance transportation. Compared with single-body vehicles, semi-trailers can improve the comprehensive economic benefits of road transportation. The materials used to manufacture semi-trailers mainly include steel, aluminum alloy, fiberglass and other related components. Among them, steel is the most important material for semi-trailers, accounting for the majority of the semi-trailer materials. As a skeleton, it can ensure the structural strength and stability of the semi-trailer.

[0003] The steel of the vehicle frame is generally in the shape of long strips. According to the actual size requirements, cutting and welding operations are required. Welds and burrs are inevitable at the welding points. The burrs will not only affect the connection and installation of various components, but also cause uneven painting during the anti-rust treatment of painting. Therefore, the burrs at the welding points need to be polished.

[0004] In the prior art, a flat steel plate can be ground by an angle grinder. However, for round tube-like steel, since the contact area is greatly reduced, the efficiency of using a rotary angle grinder to grind the steel tube is low, the flatness is low, and there are limitations. Utility Model Content

[0005] The utility model aims to solve the technical problems existing in the prior art and provides a semi-hook welding and grinding device.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a semi-hook welding and grinding equipment, comprising a steel pipe and an operating table; a base is provided on the operating table, a groove is provided on the base, a through groove that can be communicated with the groove is provided on the front and back of the base, and a plurality of support components are slidably provided on the base, the support component comprises a sliding block, a U-shaped frame is provided on the sliding block, a limiting ring is provided in the U-shaped frame, the limiting ring is composed of two semicircular combinations, the opposite end faces of the semicircles are provided with connecting blocks and connected by bolts, the front and rear sides of the U-shaped frame are provided with sliding grooves that can be slidably connected with the connecting blocks, and a bearing is provided inside the limiting ring; a driving component is provided on the operating table and located on one side of the base; a grinding component is provided on the operating table and located on the rear side of the base; the grinding component comprises an L-shaped bracket, a C-shaped limiting bracket is provided at the end of the bracket, and a cover plate is hinged at one end of the limiting bracket, and the cover plate and the limiting bracket together form a circular ring and are detachably connected by bolts.

[0007] Preferably, the sliding block is provided with limiting strips on the front and rear sides and near the upper end, and the front and rear sides in the groove are provided with limiting grooves that can be slidably connected to the limiting strips.

[0008] Preferably, the front and rear ends of the sliding block are both provided with threaded rods, the threaded rods are both extended out of the through slots and the outer sides are both threadedly connected with limit nuts.

[0009] Preferably, the cover plate and the limiting frame are both provided with connecting blocks at one end away from the hinged end and are connected by bolts.

[0010] Preferably, the driving assembly includes a side plate slidably connected to the operating table, the side plate is provided with a driving motor, the output end of the driving motor is provided with a driving rod, the end of the driving rod is provided with a coupling and connected to the steel pipe through the coupling.

[0011] Preferably, the operating table is provided with a second groove, a screw rod is rotatably provided in the second groove, the screw rod extends out of the operating table and a knob is provided, a nut block is threadedly connected to the outer side of the screw rod, and the upper end of the nut block extends out of the second groove and is connected to the side plate.

[0012] The advantages of the utility model compared with the prior art are:

[0013] 1. The weld of the steel pipe is rotated and polished by the sand ring. The sand ring is in full contact with the weld to increase the contact area. The motor drives the rotation to improve the polishing effect.

[0014] 2. There are multiple support components for supporting the steel pipe, which are divided into zones according to the length of the steel pipe, and each support component can be adjusted at will. For example, more support components can be set near the weld, and fewer can be set at other locations;

[0015] 3. The position of the side panel and the motor can be adjusted according to the length of the steel pipe to prevent the motor from being unable to connect to the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 This is a structural split diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the support assembly of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the grinding component of the utility model.

[0020] As shown in the figure: 1. Steel pipe, 2. Operating table, 3. Base, 4. Groove, 5. Through groove, 6. Sliding block, 7. Limiting strip, 8. Limiting groove, 9. U-shaped frame, 10. Limiting ring, 11. Slide groove, 12. Bearing, 13. Threaded rod, 14. Limiting nut, 15. Bracket, 16. Limiting frame, 17. Cover plate, 18. Side plate, 19. Driving motor, 20. Driving rod, 21. Coupling, 22. Groove 2, 23. Screw rod, 24. Knob, 25. Nut block, 26. Sand ring. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Embodiment 1, in combination with the attached Figure 1-2 , a semi-trailer welding and grinding equipment, including a steel pipe 1 and an operating table 2.

[0023] Combined with Figure 1-3 A plurality of supporting components are slidably provided on the base 3, and the supporting components include a sliding block 6, a U-shaped frame 9 is provided on the sliding block 6, a limiting ring 10 is provided inside the U-shaped frame 9, and the limiting ring 10 is composed of two semicircular combinations, and the opposite end faces of the semicircles are provided with connecting blocks and connected by bolts, so that the limiting ring 10 can be disassembled, and the front and rear sides of the U-shaped frame 9 are provided with sliding grooves 11 that can be slidably connected with the connecting blocks, so that the limiting ring 10 can be placed in the U-shaped frame 9 as a whole, and a bearing 12 is provided inside the limiting ring 10, and the steel pipe 1 can rotate in the limiting ring 10.

[0024] Combined with Figure 1 , 2 A base 3 is provided on the operating table 2, and a groove 4 is provided on the base 3. Through grooves 5 that can be connected to the groove 4 are provided on the front and back of the base 3. Threaded rods 13 are provided at the front and rear ends of the sliding block 6. The threaded rods 13 extend out of the through grooves 5 and are threadedly connected to limit nuts 14 on the outside. When the threaded rods 13 extend out of the through grooves 5, the limit nuts 14 are tightened on the outside to limit the sliding block 6 to prevent it from moving.

[0025] Combined with Figure 1 , 2 The front and rear sides of the sliding block 6 and near the upper end are provided with limit strips 7, and the front and rear sides of the groove 4 are provided with limit grooves 8 that can be slidably connected with the limit strips 7, thereby increasing the stability of the sliding block 6, which can only move on the base 3 and will not fall out upward.

[0026] Combined with Figure 1A driving assembly is provided on the operating table 2 and located on one side of the base 3; the driving assembly includes a side plate 18 slidably connected to the operating table 2, a driving motor 19 is provided on the side plate 18, a driving rod 20 is provided at the output end of the driving motor 19, a coupling 21 is provided at the end of the driving rod 20, and is connected to the steel pipe 1 through the coupling 21; the motor can indirectly drive the steel pipe 1 to rotate, thereby grinding the weld through the sand ring.

[0027] Combined with Figure 2 A second groove 22 is provided on the operating table 2, and a screw rod 23 is rotatably provided in the second groove 22. A knob 24 is provided on the screw rod 23 extending out of the operating table 2. A nut block 25 is threadedly connected to the outer side of the screw rod 23. The upper end of the nut block 25 extends out of the second groove 22 and is connected to the side plate 18; by rotating the knob 24, the screw rod 23 is driven to rotate, so that the nut block 25 drives the side plate 18 to move.

[0028] Combined with Figure 1 , 2 4. A grinding assembly is provided on the operating table 2 and at the rear side of the base 3; the grinding assembly includes an L-shaped bracket 15, a C-shaped limit frame 16 is provided at the end of the bracket 15, a cover plate 17 is hinged at one end of the limit frame 16, the cover plate 17 and the limit frame 16 together form a circular ring shape, and are detachably connected by bolts, so that the steel pipe 1 can be placed in by opening the cover plate 17, and then fixed to lock it; a sand ring 26 is provided in the limit frame 16, and the sand ring 26 is located on the outside of the steel pipe 1. During the rotation of the steel pipe, the sand ring 26 grinds it without dead angles, thereby improving efficiency.

[0029] The working principle of the utility model is as follows: first, the steel pipe 1 is passed through the bearing 12, and then the limiting ring 10 is opened to put it in. At the same time, the weld of the steel pipe 1 passes through the sand ring 26 and is put into the limiting frame 16; the position of the limiting ring 10 can be adjusted according to the position of the bearing, and during adjustment, the sliding block 6 slides in the base 3, the threaded rod 13 slides in the through groove 5, and then the limiting nut 14 is tightened on the outside of the base 3 to limit the sliding block 6, that is, to complete the support and limiting of the steel pipe 1; the steel pipe 1 is connected to the driving rod 20 through the coupling 21, and the driving motor 19 is started at this time, which can drive the steel pipe 1 to rotate in the supporting assembly; at this time, the weld position of the steel pipe 1 rotates in the sand ring 26 to remove burrs.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A semi-trailer welding and grinding device, comprising a steel pipe (1) and an operating table (2); characterized in that: The operating table (2) is provided with a base (3), the base (3) is provided with a groove (4), the front and back sides of the base (3) are provided with through grooves (5) that can communicate with the groove (4), the base (3) is slidably provided with a plurality of support components, the support components include a sliding block (6), a U-shaped frame (9) is provided on the sliding block (6), a limiting ring (10) is provided inside the U-shaped frame (9), the limiting ring (10) is composed of two semicircular shapes, the opposite end faces of the semicircles are provided with connecting blocks and are connected by bolts, the front and rear sides of the U-shaped frame (9) are provided with connecting blocks that can communicate with the connecting blocks. The connecting block is slidably connected to a slide groove (11), and a bearing (12) is arranged inside the limiting ring (10); a driving assembly is arranged on the operating table (2) and located on one side of the base (3); a grinding assembly is arranged on the operating table (2) and located on the rear side of the base (3); the grinding assembly comprises an L-shaped bracket (15), a C-shaped limiting frame (16) is arranged at the end of the bracket (15), a cover plate (17) is hingedly arranged at one end of the limiting frame (16), the cover plate (17) and the limiting frame (16) together form a circular ring shape, and are detachably connected by bolts; a sanding ring (26) is arranged inside the limiting frame (16).

2. A semi-trailer welding and grinding equipment according to claim 1, characterized in that: The front and rear sides of the sliding block (6) and near the upper end are both provided with limiting strips (7), and the front and rear sides in the groove (4) are both provided with limiting grooves (8) that can be slidably connected to the limiting strips (7).

3. The semi-trailer welding and grinding equipment according to claim 1, characterized in that: The front and rear ends of the sliding block (6) are both provided with threaded rods (13), and the threaded rods (13) are both extended out of the through slots (5) and are both threadedly connected to limit nuts (14) on the outer sides.

4. The semi-trailer welding and grinding equipment according to claim 1, characterized in that: The cover plate (17) and the limiting frame (16) are both provided with connecting blocks at the ends away from the hinged ends and are connected by bolts.

5. The semi-trailer welding and grinding equipment according to claim 1, characterized in that: The driving assembly comprises a side plate (18) slidably connected to the operating table (2); a driving motor (19) is provided on the side plate (18); a driving rod (20) is provided at the output end of the driving motor (19); a coupling (21) is provided at the end of the driving rod (20), and the driving rod (20) is connected to the steel pipe (1) through the coupling (21).

6. The semi-trailer welding and grinding equipment according to claim 5, characterized in that: The operating table (2) is provided with a second groove (22), a screw rod (23) is rotatably provided in the second groove (22), the screw rod (23) extends out of the operating table (2) and is provided with a knob (24), a nut block (25) is threadedly connected to the outer side of the screw rod (23), and the upper end of the nut block (25) extends out of the second groove (22) and is connected to the side plate (18).

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