Auxiliary device for plasma cutting

Abstract

The utility model belongs to the technical field of plasma cutting, and particularly discloses an auxiliary device for plasma cutting, which comprises two carrier rollers arranged in parallel, the carrier rollers are respectively and rotatably connected with a support frame group arranged on a base, the carrier rollers are used for supporting a steel pipe, one side of the base is provided with a connecting rod, and the connecting rod is connected with the support frame group. The lower end of the connecting rod is fixedly connected with the base through a connecting rod seat, the upper end of the connecting rod is connected with a rocker, one end of the rocker is connected with the connecting rod through a connecting bolt, and the other end of the rocker is rotationally connected with a gun head supporting ring which is used for supporting and fixing a plasma cutting gun which faces a steel pipe cutting position. The steel pipe cutting device is simple in structure, reliable and convenient to operate and high in safety coefficient of cutting operation, and the steel pipe can be cut without moving the position of the plasma cutting gun.

Description

Technical Field

[0001] The utility model belongs to the technical field of plasma cutting, and specifically discloses an auxiliary device for plasma cutting. Background Art

[0002] Steel pipes play an important role in the construction of buildings, transportation, communications, and water conservancy. Steel pipes are one of the most widely used materials among various steel materials. The use scenarios of steel pipes are also extremely diverse. Cutting and processing steel pipes in different scenarios is essential. Since steel pipes are usually long hollow cylinders, they are not easy to fix during cutting. The existing cutting method is generally that the operator draws a baseline on the surface of the steel pipe, and then cuts it with a plasma cutting gun or other tools. This cutting method often has problems such as uneven cutting sections, low operating safety factors, increased labor intensity and safety hazards for operators; in environments with certain requirements for cutting accuracy, CNC machine tools are generally used for cutting. This cutting method has the advantages of smooth cutting sections and high precision, but it has high requirements for the processing environment and is not applicable to scenes with relatively simple production conditions such as construction sites and mines. Summary of the invention

[0003] In order to solve the problems in the background technology, the utility model discloses an auxiliary device for plasma cutting, including a connecting rod, a rocker and a gun head support ring, which can assist the ion cutting gun in cutting, the cutting section is smooth, and the structure is simple, the operation is reliable and convenient, and the safety factor of the cutting operation is high.

[0004] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

[0005] An auxiliary device for plasma cutting comprises two rollers arranged in parallel, wherein the rollers are respectively rotatably connected to a support frame group arranged on a base, and the rollers are used to support steel pipes. A connecting rod is provided on one side of the base, and the lower end of the connecting rod is fixedly connected to the base through a connecting rod seat, and the upper end of the connecting rod is connected to a rocker arm, and one end of the rocker arm is connected to the connecting rod through a connecting bolt, and a gun head support ring is rotatably connected to the other end of the rocker arm, and the gun head support ring is used to support and fix a plasma cutting gun, and the plasma cutting gun faces the steel pipe.

[0006] Furthermore, the auxiliary device for plasma cutting, the connecting rod includes an upper connecting rod and a lower connecting rod, the lower end of the lower connecting rod is connected to the connecting rod seat, the upper end of the lower connecting rod is a cavity structure, the lower end of the upper connecting rod is inserted in the cavity of the lower connecting rod, the upper end of the upper connecting rod is connected to the rocker, and a cylinder is arranged between the inner wall of the lower connecting rod and the lower end of the upper connecting rod. Under the action of the cylinder, the upper connecting rod can be extended and retracted relative to the lower connecting rod.

[0007] Furthermore, in the auxiliary device for plasma cutting, the lower end of the connecting rod seat is fixedly connected to the base, and a slot penetrating the left and right sides of the connecting rod seat is provided at the upper end of the connecting rod seat, and the lower end of the lower connecting rod is inserted into the slot, and the lower connecting rod and the connecting rod seat are connected by a light rod passing through the lower connecting rod and the front and rear sides of the connecting rod seat, and bolts are connected at both ends of the light rod by threads.

[0008] Furthermore, the auxiliary device for plasma cutting is provided with protruding positioning strips on the front and rear faces of the inner wall of the lower connecting rod, the positioning strip extends axially along the lower connecting rod, and positioning grooves are provided at positions of the upper connecting rod corresponding to the positioning strip, the positioning grooves are matched with the positioning strip.

[0009] Furthermore, in the auxiliary device for plasma cutting, the lower end surface of the lower connecting rod is an arc-shaped structure, the bottom of the slot is matched with the lower end surface of the lower connecting rod, and the lower end surface of the lower connecting rod is in tight contact with the bottom of the slot.

[0010] Furthermore, the auxiliary device for plasma cutting, the support frame group respectively includes a support frame A and a support frame B arranged at intervals on the left and right, the support frame A and the support frame B are both L-shaped angle steels, the lower ends of the support frame A and the support frame B are fixedly connected to the base, and U-shaped grooves are respectively provided on the tops of the support frames A and the support frames B, and the two ends of the roller shaft passed through the roller are respectively embedded in the corresponding U-shaped grooves, and the roller is rotatably connected to the support frames A and the support frames B through the roller shaft and the rotating assembly.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0012] The utility model discloses an auxiliary device for plasma cutting, comprising two rollers arranged in parallel, the rollers are respectively rotatably connected with a support frame group arranged on a base, the rollers are used to support steel pipes, a connecting rod is arranged on one side of the base, the lower end of the connecting rod is fixedly connected with the base through a connecting rod seat, the upper end of the connecting rod is connected with a rocker, one end of the rocker is connected with the connecting rod through a connecting bolt, and a gun head support ring is rotatably connected with the other end of the rocker, a plasma cutting gun is fixed on the gun head support ring, the plasma cutting gun faces the cutting position of the steel pipe, and the position of the plasma cutting gun does not move, so the cutting of the steel pipe is completed, the cutting section is flat, the structure is simple, the operation is reliable and convenient, and the safety factor of the cutting operation is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the base of the auxiliary device for plasma cutting of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the auxiliary device for plasma cutting of the utility model;

[0015] In the above figure: 1-base; 2-first support frame A; 3-first support frame B; 4-second support frame B; 5-second support frame A; 6-connecting rod seat; 7-light rod; 8-lower connecting rod; 9-upper connecting rod; 10-guide groove; 11-rocker; 12-gun head support ring; 13-roller; 14-roller shaft. DETAILED DESCRIPTION

[0016] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0017] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present invention can be implemented, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that the present invention can produce. At the same time, the terms such as "upper", "lower", "left", "right", "middle", "front", "back", "first", "second" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of implementation. The change or adjustment of their relative relationship should also be regarded as the scope of implementation of the present invention without substantial change of the technical content.

[0018] The following is combined with Figure 1 and attached Figure 2, the utility model is described in detail, an auxiliary device for plasma cutting, comprising two parallel rollers 13, with a gap of 1-2 cm between the two rollers, the rollers 13 are respectively rotatably connected to a support frame group arranged on a base 1, the rollers 13 are used to support steel pipes, a connecting rod is provided on one side of the base 1, the lower end of the connecting rod is fixedly connected to the base 1 through a connecting rod seat 6, a rocker 11 is connected to the upper end of the connecting rod, one end of the rocker 11 is connected to the connecting rod through a connecting bolt, and a gun head support ring 12 is rotatably connected to the other end of the rocker 11, the gun head support ring 12 is a hollow cylinder made of metal, the gun head radius of the gun head support ring 12 is slightly larger than the diameter of the gun head of the plasma cutting gun, the gun head support ring 12 is used to support and fix the plasma cutting gun, the plasma cutting The cutting gun is facing the steel pipe, and the outer side surface of the gun head support ring 12 is connected to the rocker 11 through the mounting rod. The free end of the mounting rod is connected with a locking nut. Loosen the locking nut, and the mounting rod drives the gun head support ring 12 to rotate relative to the rocker 11. After rotating to a suitable angle, tighten the locking nut to lock the mounting rod relative to the rocker 11. During operation, the steel pipe to be cut is placed between the two rollers 13 in parallel with the two rollers 13. The steel pipe to be cut contacts the two rollers 13 respectively, and the steel pipe is rotated. The steel pipe applies friction to the rollers 13, driving the two rollers 13 to rotate. The plasma cutting gun is facing the cutting position of the steel pipe. The plasma cutting gun does not move, and the cutting of the steel pipe is completed. The cutting section is flat, and the structure is simple, the operation is reliable and convenient, and the safety factor of the cutting operation is high.

[0019] As an optional design, the auxiliary device for plasma cutting is preferably used, and the connecting rod includes an upper connecting rod 9 and a lower connecting rod 8. The lower end of the lower connecting rod 8 is connected to the connecting rod seat 6, and the upper end of the lower connecting rod 8 is a cavity structure. The lower end of the upper connecting rod 9 is inserted in the cavity of the lower connecting rod 8, and the upper end of the upper connecting rod 9 is connected to the rocker 11. A cylinder is arranged between the inner wall of the lower connecting rod 8 and the lower end of the upper connecting rod 9. Under the action of the cylinder, the upper connecting rod 9 can be telescoped relative to the lower connecting rod 8. The upper connecting rod 9 telescopes relative to the lower connecting rod 8 to adjust the connecting rod length, thereby achieving the purpose of adjusting the height of the gun head support ring 12.

[0020] As an optional design, the auxiliary device for plasma cutting is preferably used, the lower end of the connecting rod seat 6 is fixedly connected to the base 1, and a slot is provided at the upper end of the connecting rod seat 6 that penetrates the left and right sides of the connecting rod seat 6, and the lower end of the lower connecting rod 8 is inserted in the slot. The lower connecting rod 8 and the connecting rod seat 6 are connected by a light rod 7 that penetrates the lower connecting rod 8 and the front and rear sides of the connecting rod seat 6. Bolts are connected at both ends of the light rod 7 by threads, and the tightness of the connection between the light rod 7 and the bolt can be adjusted. When tightening the bolt, the front and rear opposite surfaces of the slot clamp the lower end of the lower connecting rod 8 and cooperate with the bolt to lock the lower connecting rod 8. When loosening the bolt, the lower connecting rod 8 can swing left and right relative to the connecting rod seat 6. After the lower connecting rod 8 rotates to a suitable angle, Then tighten the bolt to lock the connecting rod 8. It should be noted here that the connection structure between the rocker arm 11 and the upper connecting rod 9 is similar to the connection structure between the lower connecting rod 8 and the connecting rod seat 6. By loosening the tightness of the bolts between the rocker arm 11 and the upper connecting rod 9, the rocker arm 11 can rotate 360 ​​degrees in the vertical plane relative to the upper connecting rod 9. After rotating to a suitable angle, tighten the tightness of the bolts between the rocker arm 11 and the upper connecting rod 9 to lock the rocker arm 11 relative to the upper connecting rod 9, thereby achieving reliable positioning of the rocker arm 11 and finally achieving the purpose of adjusting the position of the gun head support ring 12. Under the joint action of the upper connecting rod 9, the lower connecting rod 8 and the rocker arm 11, the gun head support ring 12 can move up, down, left and right.

[0021] As an optional design, the auxiliary device for plasma cutting is preferably provided with raised positioning strips on the front and rear sides of the inner wall of the lower connecting rod 8, and the positioning strips extend along the axial direction of the lower connecting rod 8. Guide grooves 10 are respectively provided at positions corresponding to the positioning strips on the front and rear sides of the upper connecting rod 9. The guide grooves 10 are matched with the positioning strips, and the left and right sides of the upper connecting rod 9 are affixed and slidably connected to the left and right sides of the inner wall of the lower connecting rod 8 to achieve positioning of the upper connecting rod 9 when it is extended or retracted.

[0022] As an optional design, the auxiliary device for plasma cutting is preferably used, and the lower end face of the lower connecting rod 8 is an arc structure, the bottom of the slot is matched with the lower end face of the lower connecting rod 8, the bottom of the slot is an arc extending along the swinging direction of the lower section of the lower connecting rod 8, and the arc of the bottom of the slot is concentric with the light rod 7. When the lower connecting rod 8 swings left and right relative to the connecting rod seat 6 with the light rod 7 as the axis, the lower end face of the lower connecting rod 8 slides along the bottom of the slot with the light rod 7 as the axis, and is always in tight contact with the bottom of the slot, ensuring that the lower connecting rod 8 can be stably supported.

[0023] As an optional design, the auxiliary device for plasma cutting is preferably used, wherein the support frame group includes a support frame A and a support frame B arranged at intervals on the left and right, and the support frame A and the support frame B are arranged at intervals on the left and right, respectively. Figure 1, the support frame A includes a first support frame A2 and a second support frame A5 which are spaced apart in the front and back, and the support frame B includes a first support frame B3 and a second support frame B4 which are spaced apart in the front and back, the first support frame A2, the second support frame A5, the first support frame B3 and the second support frame B4 are all L-shaped angle steels, the first support frame A2, the second support frame A5, the first support frame B3 and the second support frame B4 have the same height, the lower ends of the first support frame A2, the second support frame A5, the first support frame B3 and the second support frame B4 are respectively fixedly connected to the base 1, the spacing between the first support frame A2 and the second support frame A5 and the spacing between the first support frame B3 and the second support frame B4 are greater than the axial length of the roller, the first support frame A2 and the first support frame A5 are respectively fixedly connected to the base 1, and the spacing between the first support frame A2 and the second support frame A5 and the spacing between the first support frame B3 and the second support frame B4 are greater than the axial length of the roller, and the first support frame A2 and the first support frame A5 are respectively fixedly connected to the base 1 ... The spacing between the support frames B3 and the spacing between the second support frame A5 and the second support frame B4 are greater than the diameter of the roller 13. U-shaped grooves are respectively provided on the tops of the first support frame A2, the second support frame A5, the first support frame B3 and the second support frame B4. Roller shafts 14 are respectively passed through the two rollers 13. The two ends of one roller shaft 14 are respectively embedded in the U-shaped grooves corresponding to the first support frame A2 and the second support frame A5, and the two ends of the other roller shaft 14 are respectively embedded in the U-shaped grooves corresponding to the first support frame B3 and the second support frame B4. The two rollers 13 are respectively suspended on the corresponding support frames through the roller shafts 14, and the two rollers 13 are respectively rotatably connected to the corresponding support frames through the corresponding roller shafts 14 and the rotating components.

[0024] The working process of the utility model is as follows:

[0025] The base 1 and other components are transferred to the work site, and roller shafts 14 are respectively inserted into the two rollers 13. The two rollers 13 are respectively suspended on the corresponding support frames through the roller shafts 14, and the lower connecting rod 8 is connected to the connecting rod seat 6. The upper connecting rod 9 is inserted into the upper end cavity of the lower connecting rod 8, and the rocker 11 is connected to the upper connecting rod 9. The steel pipe to be cut is placed between the two rollers 13 in parallel with the two rollers 13. The steel pipe to be cut contacts the two rollers 13 respectively, and the gun head support ring 12 is moved up, down, left and right to a suitable position by adjusting the upper connecting rod 9, the lower connecting rod 8 and the rocker 11. The steel pipe is rotated, and the steel pipe applies friction to the rollers 13 to drive the two rollers 13 to rotate. The plasma cutting gun does not move, and the cutting of the steel pipe is completed. The cutting section is flat, and the structure is simple, the operation is reliable and convenient, and the safety factor of the cutting operation is high.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A plasma cutting auxiliary device, characterized in that: The invention comprises two rollers arranged in parallel, the rollers are respectively rotatably connected with the support frame group arranged on the base, the rollers are used to support the steel pipe, a connecting rod is arranged on one side of the base, the lower end of the connecting rod is fixedly connected with the base through a connecting rod seat, the upper end of the connecting rod is connected with a rocker, the connecting rod comprises an upper connecting rod and a lower connecting rod, the lower end of the lower connecting rod is connected with the connecting rod seat, the lower end of the connecting rod seat is fixedly connected with the base, a slot running through the left and right sides of the connecting rod seat is arranged at the upper end of the connecting rod seat, the lower end of the lower connecting rod is inserted in the slot, the lower end surface of the lower connecting rod is an arc structure, the bottom of the slot is matched with the lower end surface of the lower connecting rod, and the lower end of the lower connecting rod is The upper and lower ends of the upper and lower connecting rods are connected by a threaded connection, and the upper and lower ends of the upper and lower connecting rods are connected by a threaded connection. The upper and lower ends of the upper and lower connecting rods are connected by a threaded connection. The upper and lower ends of the upper and lower connecting rods are connected by a threaded connection. The upper and lower ends of the upper and lower connecting rods are connected by a threaded connection. The upper and lower ends of the upper and upper connecting rods are connected by a threaded connection. The upper and lower ends of the upper and upper connecting rods are connected by a threaded connection. The upper and lower ends of the upper and upper connecting rods are connected by a threaded connection. The upper and lower ends of the upper and upper connecting rods are connected by a threaded connection. The upper and lower ends of the upper and upper connecting rods are connected by a threaded connection.

2. The plasma cutting auxiliary device according to claim 1, characterized in that: The front and rear surfaces of the inner wall of the lower connecting rod are respectively provided with protruding positioning strips, which extend along the axial direction of the lower connecting rod. Positioning grooves are respectively provided at positions of the upper connecting rod corresponding to the positioning strips, and the positioning grooves are matched with the positioning strips.

3. The plasma cutting auxiliary device according to claim 1, characterized in that: The support frame group includes a support frame A and a support frame B which are spaced apart on the left and right. The support frame A and the support frame B are both L-shaped angle steels. The lower ends of the support frame A and the support frame B are fixedly connected to the base. U-shaped grooves are correspondingly arranged on the tops of the support frame A and the support frame B. The two ends of the roller shaft passing through the roller are respectively embedded in the corresponding U-shaped grooves. The roller is rotatably connected to the support frame A and the support frame B through the roller shaft and the rotating assembly.

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