Square tube machining system

Abstract

The utility model discloses a square tube machining system. The square tube machining system comprises an unwinding assembly, a first rolling assembly, a joint welding assembly, a second rolling assembly and a cutting assembly which are sequentially arranged. The steel strip temporary storage assembly is located at the inlet end of the first rolling assembly, and the splicing assembly can enter the position between the unwinding assembly and the steel strip temporary storage assembly; the splicing assembly comprises a base, an upper plate, a linear reciprocating moving assembly, a sliding table, a stand column and an adjusting base. An air cylinder is fixedly arranged on the base, and a welding gun channel is formed in the upper plate. The linear reciprocating moving assembly is fixedly arranged on the upper plate, the sliding table is fixedly arranged at the output end of the linear reciprocating moving assembly, the stand column is fixedly arranged on the sliding table, the adjusting base is arranged on the stand column in a sliding mode and provided with a welding gun clamping sleeve, and the welding gun is installed in the welding gun clamping sleeve so that the welding end of the welding gun can stretch into the position above the base through the welding gun channel. And under the driving of the linear reciprocating moving assembly, the welding gun moves back and forth along the welding gun channel for welding.

Description

Technical Field

[0001] The utility model belongs to the technical field of square tube processing, in particular to a square tube processing system. Background Art

[0002] As the name implies, square tube is a square tube. After the steel strip is unpacked, flattened, curled, and welded to form a round tube, the round tube is rolled into a square tube and then cut into the required length. However, the length of each roll of steel strip is limited. After a certain period of production, the steel strip will be exhausted, which means that a new roll of steel strip needs to be replaced for production use. This means that after the replacement, the head end of the changed steel strip needs to be reintroduced into the back-end equipment to achieve normal production. This not only requires shutdown, but also the reintroduction of steel strip, which will inevitably extend the production cycle and reduce production efficiency; it will also increase the workload of personnel. For this reason, our company hopes to be able to achieve material replacement and loading of steel strips without stopping the machine. Summary of the invention

[0003] The utility model aims to provide a square tube processing system, which is intended to solve the problem of connecting the front steel belt and the rear steel belt during the square tube processing process, so that the material coil can be replaced without stopping the whole unit.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:

[0005] A square tube processing system comprises an unwinding assembly, a first rolling assembly, a seam welding assembly, a second rolling assembly and a cutting assembly which are arranged in sequence; further comprising a splicing assembly and a steel strip buffer assembly, wherein the steel strip buffer assembly is located at the inlet end of the first rolling assembly, and the splicing assembly can enter between the unwinding assembly and the steel strip buffer assembly; the splicing assembly comprises a base, an upper plate, a linear reciprocating moving assembly, a slide, a column and an adjusting seat; a plurality of cylinders are fixedly arranged on the base, the upper plate is fixedly arranged on the piston rod of the cylinder, and a welding gun channel is opened on the upper plate; the linear reciprocating moving assembly is fixedly arranged on the upper plate, the slide is fixedly arranged on the output end of the linear reciprocating moving assembly, the column is fixedly arranged on the slide, the adjusting seat can be slidably arranged on the column, and the adjusting seat has a welding gun jacket, and the welding gun is installed in the welding gun jacket, so that the welding end of the welding gun can penetrate into the upper part of the base through the welding gun channel, and reciprocate along the welding gun channel under the drive of the linear reciprocating moving assembly.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: four cylinders are provided and are respectively fixed at the corners of the base.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the adjustment seat is sleeved on the column, and at least one bolt is screwed into the threaded hole opened on the adjustment seat and pressed against the surface of the column.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the cross-section of the column is rectangular, the adjustment seat has a rectangular sleeve, the rectangular sleeve is sleeved on the column, and bolts are symmetrically arranged on opposite sides of the rectangular sleeve.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: an adjusting bolt hole is opened on the side wall of the welding gun jacket, and a bolt is screwed into the adjusting bolt hole to contact the surface of the welding gun.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: a guide rail is arranged on the surface of the upper plate, and the guide rail is parallel to the moving direction of the linear reciprocating moving component; the slide is slidably arranged on the guide rail.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a welding avoidance groove is provided on the base, which is located directly below the welding gun channel.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes a slide rail, a slider is fixedly provided at the bottom of the base, and the slider slides along the slide rail.

[0013] On the basis of the above solution and as a preferred solution of the above solution: a limit block is provided on the slide rail.

[0014] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: by arranging a splicing assembly and a steel strip buffer assembly at the entrance end of the first rolling assembly, when replacing the steel strip coil, the splicing assembly is moved between the unwinding assembly and the steel strip buffer assembly, and the end of the newly replaced steel strip and the end of the previous steel strip are placed between the upper plate and the base and aligned, and sufficient welding gap is reserved. At this time, the welding gap is exposed to the outside through the welding gun channel; the upper plate is driven downward by the cylinder to press the above-mentioned steel strip between the upper plate and the base, and the height and position of the welding gun are adjusted. Subsequently, the welding equipment is started to provide welding power and shielding gas to the welding gun. The first linear reciprocating assembly drives the welding gun to move linearly, and at the same time welds the connecting ends of the front and rear steel strips, so that the front steel strip can pull the steel strip on the replaced steel strip roll into the steel strip cache assembly and the rear end assembly to realize the forming and fixed-length cutting of the square tube. Of course, due to the existence of the steel strip cache assembly, it can continue to feed the rear end equipment continuously through the internally cached steel strip within a certain period of time when the unwinding assembly is no longer feeding. Therefore, there is no need to stop the machine during the splicing process, thereby realizing continuous production without loading and stopping the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the splicing component structure;

[0017] Figure 3 It is a three-dimensional diagram of the splicing component structure from another angle;

[0018] Figure 4 It is the main view of the splicing component structure;

[0019] Figure 5 It is a top view of the spliced ​​components;

[0020] Figure 6 It is a schematic diagram of the cylinder position. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of this application clearer, the technical solution in the embodiment will be clearly and completely described below in conjunction with the drawings in the embodiment. Obviously, the described embodiment is only a part of the embodiment of this application, not all embodiments. Based on the given embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0022] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] In the description of this application, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0024] Combination Figure 1-6As shown, the present application discloses a square tube processing system, including an unwinding assembly 10, a steel strip buffer assembly 70, a first rolling assembly 30, a seam welding assembly 40, a second rolling assembly 50 and a cutting assembly 60 which are arranged in sequence; and also includes a splicing assembly 20, which can enter between the unwinding assembly 10 and the steel strip buffer assembly 70; specifically, the splicing assembly 20 includes a base 21, an upper plate 22, a linear reciprocating moving assembly 23, a slide 24, a column 25 and an adjustment seat 26; a plurality of cylinders 27 are fixed on the base 21, the upper plate 22 is fixed on the piston rod of the cylinder 27, and the upper plate 22 is provided with a welding gun channel 221. Preferably, four cylinders 27 are provided, and are respectively fixed at the corners on the base 21 (see Figure 6As shown), specifically, the cylinder 27 is fixedly mounted on the upper panel 212 of the base by bolts. Of course, a piston rod channel is provided on the upper panel 212 for the piston rod of the cylinder 27 to extend upward, so as to meet the requirements of connecting the piston rod 217 to the upper plate 22. A support plate is installed at the connecting end of the piston rod and the upper plate 22 for installation, and at the same time, the contact area between the piston rod and the upper plate 22 is increased to improve stability. The linear reciprocating motion component 23 is fixed on the upper plate 22, and the slide 24 is fixed at the output end of the linear reciprocating motion component 23. Specifically, the linear reciprocating motion component 23 includes a servo motor 231, a screw rod 232 and a screw nut 233. The slide 24 is connected to the screw nut by bolts. Then, when the servo motor 231 rotates forward or reverse, the screw rod 232 can be driven to rotate, driving the screw nut 233 and the slide 24 to slide linearly and reciprocatingly. The column 25 is fixed on the slide 24, and the adjustment seat 26 is slidably arranged on the column 25. The adjustment seat 26 has a welding gun jacket 261, and the welding gun 80 is installed in the welding gun jacket 261, so that the welding end of the welding gun 80 penetrates to the top of the base 21 through the welding gun channel 221, and reciprocates along the welding gun channel 221 under the drive of the linear reciprocating component 23. Further preferably, in order to facilitate the adjustment of the adjustment sleeve 26 and simplify the adjustment structure, the present embodiment preferably has the adjustment seat 26 sleeved on the column 25, and at least one bolt is screwed into the threaded hole provided on the adjustment seat 26 and pressed against the surface of the column 25. Specifically, the cross section of the column 25 is preferably rectangular, and the adjustment seat 26 has a rectangular sleeve, which is sleeved on the column 25, and an adjustment bolt 263 is symmetrically arranged on the opposite side of the rectangular sleeve, so that when the adjustment bolt 263 is loosened, the adjustment seat 26 can be slid along the axis of the column for adjustment. Of course, after the adjustment is in place, the position of the adjustment seat 26 can be fixed by tightening the adjustment bolt 263. In addition, in order to facilitate the adjustment of the welding gun 80 and simplify the adjustment structure, in this embodiment, an adjustment bolt hole is preferably opened on the side wall of the welding gun jacket 261, and a bolt 262 is screwed into the adjustment bolt hole to contact the surface of the welding gun 80. Similar to the adjustment of the adjustment seat 26, when the bolt 262 is loosened, the welding gun 80 can be inserted or pulled out of the welding gun jacket 261 to the required length, thereby adjusting the distance between the welding end of the welding gun 80 and the steel strip, so as to adjust the welding gun according to the different thicknesses of the steel strip to achieve the best welding effect; it should be noted that in addition to the welding gun, other components of gas shielded welding are also included, such as welding machines, automatic wire feeders, and gas shielding (argon) pipelines, etc. This is a prior art and will not be repeated here. It should be noted that the unwinding assembly 10, the steel strip buffer assembly 70, the first rolling assembly 30, the seam welding assembly 40, the second rolling assembly 50, and the cutting assembly 60 in this embodiment are no different from the prior art and will not be repeated here.

[0025] Further, (see Figure 2-5In order to make the slide table slide smoothly and improve the stability of movement, in this embodiment, a guide rail 222 is preferably provided on the surface of the upper plate 22, and the guide rail 222 is parallel to the moving direction of the linear reciprocating moving component 23; the slide table 24 is slidably provided on the guide rail 222. In addition, in order to prevent the base 21 from affecting the welding, and even if the base 21 contacts the welding part of the steel strip and causes the base to be fused during welding, in this embodiment, a welding avoidance groove 211 is preferably provided on the base 21, which is located directly below the welding gun channel 221.

[0026] Of course, considering that the steel strip will swing up and down to a certain extent due to the change of tension during the production process, in order to avoid the influence of the splicing component 20 on it, or the long-term friction of the steel strip on the upper plate and the base, resulting in wear, for this reason, the present embodiment also includes a slide rail 29, and a slider 28 is fixed at the bottom of the base 21, and the slider 28 slides along the slide rail 29. When splicing is required, the worker pushes the splicing component 20 to slide along the slide rail 29, and then enters between the unwinding component 10 and the steel strip buffer component 70, so that the splicing operation can be performed; after the splicing is completed, the splicing component 20 is pushed back to the initial position in the reverse direction. In order to facilitate the positioning of the limit block 291 and facilitate its movement and alignment, the present embodiment preferably sets a limit block 291 on the slide rail 29, and blocks the slider 28 through the limit block 291, so that after it is in place, it will block the slider 28 from moving further, so as to achieve rapid positioning.

[0027] The present application sets a splicing assembly and a steel strip buffer assembly at the entrance end of the first rolling assembly. When replacing the steel strip coil, the splicing assembly is moved between the unwinding assembly and the steel strip buffer assembly, and the end of the new steel strip 90 and the end of the previous steel strip are placed between the upper plate and the base and aligned, leaving a sufficient welding gap. At this time, the welding gap is exposed to the outside through the welding gun channel; the upper plate is driven downward by the cylinder to press the above-mentioned steel strip between the upper plate and the base, and the height and position of the welding gun are adjusted. Subsequently, the welding equipment is started to provide welding power and shielding gas to the welding gun. The first linear reciprocating assembly drives the welding gun to move linearly, and at the same time welds the connecting ends of the front and rear steel strips, so that the front steel strip can pull the steel strip on the replaced steel strip roll into the steel strip cache assembly and the rear end assembly to realize the forming and fixed-length cutting of the square tube. Of course, due to the existence of the steel strip cache assembly, it can continue to feed the rear end equipment continuously through the internally cached steel strip within a certain period of time when the unwinding assembly is no longer feeding. Therefore, there is no need to stop the machine during the splicing process, thereby realizing continuous production without loading and stopping the machine.

[0028] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A square tube processing system, comprising an unwinding assembly (10), a first rolling assembly (30), a seam welding assembly (40), a second rolling assembly (50) and a cutting assembly (60) which are arranged in sequence; characterized in that: It also includes a splicing assembly (20) and a steel strip buffer assembly (70), wherein the steel strip buffer assembly (70) is located at the entrance end of the first rolling assembly (30), and the splicing assembly (20) can enter between the unwinding assembly (10) and the steel strip buffer assembly (70); the splicing assembly (20) includes a base (21), an upper plate (22), a linear reciprocating moving assembly (23), a slide (24), a column (25) and an adjusting seat (26); a plurality of cylinders (27) are fixedly arranged on the base (21), the upper plate (22) is fixedly arranged on the piston rod of the cylinder (27), and the upper plate (22) is provided with a welding gun channel (221); The linear reciprocating moving component (23) is fixed on the upper plate (22), the slide (24) is fixed on the output end of the linear reciprocating moving component (23), the column (25) is fixed on the slide (24), the adjustment seat (26) is slidably arranged on the column (25), the adjustment seat (26) has a welding gun jacket (261), and the welding gun (80) is installed in the welding gun jacket (261) so that the welding end of the welding gun (80) can be inserted into the upper part of the base (21) through the welding gun channel (221), and reciprocate along the welding gun channel (221) under the drive of the linear reciprocating moving component (23).

2. A square tube processing system according to claim 1, characterized in that: Four cylinders (27) are provided and are respectively fixed at the corners of the base (21).

3. A square tube processing system according to claim 1, characterized in that: The adjusting seat (26) is sleeved on the column (25), and at least one bolt is screwed into a threaded hole provided on the adjusting seat (26) and then pressed against the surface of the column (25).

4. A square tube processing system according to claim 1, characterized in that: The cross section of the column (25) is rectangular, and the adjustment seat (26) has a rectangular sleeve, which is sleeved on the column (25), and bolts are symmetrically arranged on the opposite sides of the rectangular sleeve.

5. A square tube processing system according to claim 1, characterized in that: An adjusting bolt hole is provided on the side wall of the welding gun jacket (261), and after a bolt is screwed into the adjusting bolt hole, it contacts the surface of the welding gun (80).

6. A square tube processing system according to claim 1, characterized in that: A guide rail (222) is arranged on the surface of the upper plate (22), and the guide rail (222) is parallel to the moving direction of the linear reciprocating moving component (23); the slide table (24) is slidably arranged on the guide rail (222).

7. A square tube processing system according to claim 1, characterized in that: The base (21) is provided with a welding avoidance groove (211), which is located directly below the welding gun channel (221).

8. A square tube processing system according to claim 1, characterized in that: It also comprises a slide rail (29), a slide block (28) is fixedly provided at the bottom of the base (21), and the slide block (28) slides along the slide rail (29).

9. A square tube processing system according to claim 8, characterized in that: A limit block (291) is provided on the slide rail (29).

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