Novel mechanism for welding forming process

Abstract

The utility model relates to the technical field of steel pipe welding, in particular to a novel mechanism for a welding forming process. According to the technical scheme, the device comprises a base, the top of the base is fixedly connected with a shell, two stepping motors are fixedly installed on the inner wall of the bottom of the base, output shafts of the stepping motors penetrate through the bottom wall of the shell and are fixedly connected with first rotating shafts, the top ends of the first rotating shafts are rotationally connected with the inner wall of the top of the shell, and the peripheries of the first rotating shafts are fixedly sleeved with extrusion rollers; two positioning rods are fixedly connected to the inner wall of the top of the shell, a hydraulic cylinder is fixedly mounted at the top of the shell, the output end of the hydraulic cylinder penetrates through the top wall of the shell and is fixedly connected with a mounting plate, two connecting blocks are fixedly connected to the bottom of the mounting plate, a second rotating shaft is jointly and rotationally connected between the connecting blocks, and the periphery of the second rotating shaft is fixedly sleeved with a pressing roller. According to the utility model, the unevenness at the joint of the steel pipe is avoided, the two sides of the joint of the steel pipe are kept clean, and the joint closing and welding effects are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe welding, in particular to a novel welding forming process mechanism. Background Art

[0002] Welded pipe refers to a steel pipe with seams on the surface that is formed by bending steel strips or steel plates into round, square and other shapes and then welding them. Welded steel pipes have lower costs and higher production efficiency than seamless steel pipes. The blanks used are steel plates or strips. Welded steel pipes have strong corrosion resistance in acidic environments. Among them, straight seam welded pipes are characterized by simple production process, high production efficiency, low cost and rapid development. Straight seam steel pipes are mainly used in tap water projects, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction in China.

[0003] The cam frame is provided with a plurality of rollers, each of which is provided with a plurality of rollers, each of which is provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers, each of which is provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers, each of which is provided with a plurality of rollers,

[0004] Although the above-mentioned welded pipe forming misalignment correction device can achieve the effect of seaming through the cooperation of parts such as the seam pressing roller and the roller cross frame, it still has the following shortcomings in actual application: after the steel pipe is extruded, the heights on both sides of the gap may be different and misaligned, and before the steel pipe is seam-welded, debris is attached to both sides of the gap, resulting in poor seam and welding effects. Utility Model Content

[0005] The purpose of the utility model is to propose a novel welding forming process mechanism in view of the problems existing in the background technology.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: a mechanism of a new welding forming process, including a base, a shell fixedly connected to the top of the base, two stepper motors fixedly installed on the bottom inner wall of the base, the output shafts of the stepper motors all pass through the bottom wall of the shell and are fixedly connected to a rotating shaft 1, the top of the rotating shaft 1 is rotatably connected to the top inner wall of the shell, the periphery of the rotating shaft 1 is fixedly sleeved with an extrusion roller, the top inner wall of the shell is fixedly connected to two positioning rods, a hydraulic cylinder is fixedly installed on the top of the shell, the output end of the hydraulic cylinder passes through the top wall of the shell and is fixedly connected to a mounting plate, the bottom of the mounting plate is fixedly connected to two connecting blocks, the connecting blocks are rotatably connected with a rotating shaft 2, the periphery of the rotating shaft 2 is fixedly sleeved with a pressing roller, and a dust blowing mechanism is fixedly installed on the top of the base for blowing away debris particles between the gaps of the steel pipes.

[0007] Preferably, the dust blowing mechanism comprises a high-pressure air pump fixedly mounted on the top of the shell, a nozzle is fixedly plugged into the top wall of the shell, and an output end of the high-pressure air pump is connected to the nozzle.

[0008] Preferably, the nozzle is located between the squeezing roller and the positioning rod.

[0009] Preferably, the pressing roller is located on the left side of the squeezing roller.

[0010] Preferably, a positioning drum is rotatably sleeved on the periphery of the positioning rod.

[0011] Preferably, a protective cover is detachably mounted on the top of the base, and the hydraulic cylinder is located inside the protective cover.

[0012] The beneficial effects of the utility model are as follows: when using the device, two stepper motors are started at the same time, driving the rotating shaft 1 fixedly connected to the output shaft to rotate on the top inner wall of the shell, thereby driving the squeezing rollers fixedly sleeved on the outer periphery of the rotating shaft 1 to rotate, and the steel pipe is squeezed and transported to the left by the two squeezing rollers, and the hydraulic cylinder is started to drive the mounting plate to descend, and the mounting plate drives the two connecting blocks fixedly connected to the bottom to descend, and the rotating shaft 2 rotatably connected between the two connecting blocks and the pressing rollers fixedly sleeved on the outer periphery of the rotating shaft 2 are lowered together, and the height of the pressing roller is adjusted to a suitable position and abutted against the joint of the steel pipe to avoid unevenness at the joint of the steel pipe; the steel pipe to be welded is inserted from the right side of the shell, and the positioning rotating cylinder rotatably sleeved on the outer periphery of the positioning rod is aligned with the gap and inserted, so that the gap of the steel pipe always maintains the same axis, and the high-pressure air pump is started at the same time, and the high-pressure gas is ejected from the nozzle, so that the debris particles between the gaps of the steel pipes are blown away, so that both sides of the gaps of the steel pipes are kept clean, and the joint and welding effects are increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of the overall structure of a mechanism embodiment of a novel welding forming process of the utility model;

[0014] Figure 2 It is a front cutaway schematic diagram of the overall structure of a mechanism embodiment of a novel welding forming process of the utility model;

[0015] Figure 3 It is a side cutaway schematic diagram of the overall structure of a mechanism embodiment of a novel welding forming process of the utility model;

[0016] Figure 4 It is a schematic cross-sectional view of the bottom of the overall structure of a mechanism embodiment of a novel welding forming process of the utility model.

[0017] Figure numerals: 1. base; 2. shell; 3. stepper motor; 4. rotating shaft one; 5. extrusion roller; 6. positioning rod; 7. positioning drum; 8. high-pressure air pump; 9. nozzle; 10. hydraulic cylinder; 11. mounting plate; 12. connecting block; 13. rotating shaft two; 14. pressing roller; 15. protective cover. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0019] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0021] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0022] Embodiment 1

[0023] like Figure 1-4 As shown, a novel welding forming process mechanism proposed by the utility model includes a base 1, a shell 2 is fixedly connected to the top of the base 1, two stepper motors 3 are fixedly installed on the bottom inner wall of the base 1, the output shafts of the stepper motors 3 all pass through the bottom wall of the shell 2, and are fixedly connected to a rotating shaft 1 4, the top of the rotating shaft 1 4 is rotatably connected to the top inner wall of the shell 2, and the periphery of the rotating shaft 1 4 is fixedly sleeved with an extrusion roller 5, the top inner wall of the shell 2 is fixedly connected to two positioning rods 6, a hydraulic cylinder 10 is fixedly installed on the top of the shell 2, the output end of the hydraulic cylinder 10 passes through the top wall of the shell 2, and is fixedly connected to a mounting plate 11, and the bottom of the mounting plate 11 is fixedly connected to two connecting blocks 12, and the connecting blocks 12 are rotatably connected with a rotating shaft 2 13, and the periphery of the rotating shaft 2 13 is fixedly sleeved with a pressing roller 14, and a dust blowing mechanism is fixedly installed on the top of the base 1 for blowing away debris particles between the gaps of the steel pipes.

[0024] In this embodiment: the dust blowing mechanism includes a high-pressure air pump 8 fixedly installed on the top of the shell 2, and a nozzle 9 is fixedly inserted on the top wall of the shell 2. The output end of the high-pressure air pump 8 is connected to the nozzle 9. Through this arrangement, when the high-pressure air pump 8 is started, high-pressure gas can be ejected from the nozzle 9, thereby blowing away the debris particles between the steel pipe gaps, so that both sides of the steel pipe gaps are kept clean; the nozzle 9 is located between the extrusion roller 5 and the positioning rod 6. Through this arrangement, the steel pipe gaps are blown clean before extrusion, increasing the seam closing effect, thereby making the welding effect better; the pressing roller 14 is located on the left side of the extrusion roller 5. Through this arrangement, the pressing roller 14 keeps the two sides of the gap of the steel pipe that has been extruded and formed by the two extrusion rollers 5 and waiting for welding at the same height, avoiding the occurrence of misaligned seams and causing problems with the quality of the welded pipe.

[0025] Embodiment 2

[0026] like Figure 1-4As shown, the utility model proposes a novel welding forming process mechanism. Compared with the first embodiment, the periphery of the positioning rod 6 is rotatably sleeved with a positioning drum 7. Through this arrangement, direct friction between the two sides of the steel pipe gap and the positioning rod 6 can be avoided. When the two sides are in contact with the positioning drum 7, the positioning drum 7 is driven to rotate, thereby protecting the two sides of the steel pipe gap; a protective cover 15 is detachably installed on the top of the base 1, and the hydraulic cylinder 10 is located inside the protective cover 15. Through this arrangement, the hydraulic cylinder 10 can be protected from external factors such as dust that affect its service life, and it is convenient for inspection and maintenance.

[0027] Working principle: When using this device, the steel pipe to be welded is inserted from the right side of the shell 2, and the gap is aligned with the positioning rod 6. At the same time, the high-pressure air pump 8 is started to eject high-pressure gas from the nozzle 9, thereby blowing away the debris particles between the gaps of the steel pipes and keeping both sides of the gaps of the steel pipes clean. At the same time, the two stepper motors 3 are started to drive the rotating shaft 14 fixedly connected to its output shaft to rotate on the top inner wall of the shell 2, thereby driving the squeezing roller 5 fixedly sleeved on the periphery of the rotating shaft 14 to rotate, and the steel pipe is squeezed and transported to the left by the two squeezing rollers 5, and the hydraulic cylinder 10 is started to drive the mounting plate 11 to descend, and the mounting plate 11 drives the two connecting blocks 12 fixedly connected to the bottom thereof to descend, and the rotating shaft 2 13 rotatably connected between the two connecting blocks 12 and the pressing roller 14 fixedly sleeved on the periphery of the rotating shaft 2 13 descend together, and the height of the pressing roller 14 is adjusted to a suitable position, and abutted against the joint of the steel pipe to avoid unevenness at the joint of the steel pipe. When the steel pipe passes through the pressing roller 14, it is driven to rotate.

[0028] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A novel welding forming process mechanism, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a housing (2); two stepper motors (3) are fixedly mounted on the inner wall of the bottom of the base (1); the output shafts of the stepper motors (3) penetrate the bottom wall of the housing (2) and are fixedly connected to a first rotating shaft (4); the top of the first rotating shaft (4) is rotatably connected to the inner wall of the top of the housing (2); a squeezing roller (5) is fixedly sleeved around the outer periphery of the first rotating shaft (4); two positioning rods (6) are fixedly connected to the inner wall of the top of the housing (2); a hydraulic cylinder (10) is fixedly mounted on the top of the housing (2); the output end of the hydraulic cylinder (10) penetrates the top wall of the housing (2) and is fixedly connected to a mounting plate (11); two connecting blocks (12) are fixedly mounted on the bottom of the mounting plate (11); a second rotating shaft (13) is rotatably connected between the connecting blocks (12); a pressing roller (14) is fixedly sleeved around the outer periphery of the second rotating shaft (13); a dust blowing mechanism is fixedly mounted on the top of the base (1) for blowing away debris particles between the gaps of the steel pipes.

2. The mechanism of a novel welding forming process according to claim 1 is characterized in that: The dust blowing mechanism comprises a high-pressure air pump (8) fixedly mounted on the top of the housing (2); a nozzle (9) is fixedly plugged into the top wall of the housing (2); and an output end of the high-pressure air pump (8) is connected to the nozzle (9).

3. The mechanism of a novel welding forming process according to claim 2 is characterized in that: The nozzle (9) is located between the squeezing roller (5) and the positioning rod (6).

4. The mechanism of a novel welding forming process according to claim 1 is characterized in that: The pressing roller (14) is located on the left side of the squeezing roller (5).

5. The mechanism of a novel welding forming process according to claim 1 is characterized in that: A positioning rotating cylinder (7) is rotatably sleeved on the periphery of the positioning rod (6).

6. The mechanism of a novel welding forming process according to claim 1 is characterized in that: A protective cover (15) is detachably mounted on the top of the base (1), and the hydraulic cylinder (10) is located inside the protective cover (15).

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