Steel pipe straightening machine for steel pipe machining

Abstract

The utility model discloses a steel pipe straightening machine for steel pipe machining, and relates to the technical field of steel pipe machining. The steel pipe straightening machine for steel pipe machining comprises a base, and a straightening mechanism is arranged at the top of the base; the straightening mechanism comprises a side plate, a transverse shaft, a roller, a circular groove, a hydraulic motor, a gear, a synchronous wheel and a synchronous belt; the number of the side plates is two, the two side plates are fixedly connected to the top of the base, the number of the transverse shafts and the number of the rollers are two, the left ends and the right ends of the two transverse shafts rotationally penetrate through the two side plates through bearings correspondingly, the rollers are fixedly connected to the middles of the transverse shafts, and the transverse shaft at the lower left corner is driven to rotate by starting a hydraulic motor. The lower left corner transverse shaft rotates to drive the ten rollers to rotate at the same time through the gears, three to-be-straightened bent pipes are rolled into the rollers through friction force in the rotating process, the bent pipes are straightened through the circular grooves, and therefore the three steel pipes can be straightened at the same time, and then the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a steel pipe straightening machine for steel pipe processing. Background Art

[0002] Steel pipes have hollow cross-sections, and their length is much greater than the diameter or circumference of the steel. According to the cross-sectional shape, they are divided into round, square, rectangular and special-shaped steel pipes; according to the material, they are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; according to the purpose, they are divided into steel pipes for pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.; according to the production process, they are divided into seamless steel pipes and welded steel pipes, of which seamless steel pipes are divided into hot-rolled and cold-rolled (drawn) types, and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes. After bending, the steel pipe needs to be straightened with a straightening machine.

[0003] The patent with patent announcement number CN203711539U discloses a steel pipe straightening machine, including a base, a straightening device and a supporting device for placing the steel pipe, the straightening device includes an upper pressure head arranged above the base, the straightening device and the supporting device are both arranged on the base, the supporting device includes two supporting parts and a fixing part arranged between the two supporting parts, the supporting part includes a supporting shaft for supporting the steel pipe, both ends of the supporting shaft are provided with a movable part, both sides of the base are provided with a positioning part for the movable part to pass through, the positioning part is slidably connected to the movable part, the positioning part is fixedly connected to the base, the outer sleeve of the movable part is provided with an elastic part, and the elastic part is located between the supporting shaft and the positioning part. The above patent has the following shortcomings: although the patent can straighten the steel pipe, it can only straighten one steel pipe at a time, so a large number of steel pipes need to be straightened, and its processing efficiency needs to be improved. In view of this, we propose a steel pipe straightening machine for steel pipe processing. Utility Model Content

[0004] The utility model aims to provide a steel pipe straightening machine for steel pipe processing to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steel pipe straightening machine for steel pipe processing comprises a base, and a straightening mechanism is arranged on the top of the base;

[0007] The straightening mechanism includes a side plate, a horizontal shaft, a roller, a circular groove, a hydraulic motor, a gear, a synchronous wheel, and a synchronous belt;

[0008] There are two side plates, which are fixedly connected to the top of the base. There are two groups of transverse shafts and rollers. The left and right ends of the two groups of transverse shafts rotate through the two side plates through bearings. The roller is fixedly connected to the middle of the transverse shaft. There are three groups of circular grooves, which are opened on the circumferential outer wall of the roller. The side plates are provided to provide support force for the transverse shaft.

[0009] Preferably, the hydraulic motor is fixedly connected to one side of the side plate at the back, the front output end of the hydraulic motor is fixedly connected to the rear end of the horizontal axis at the lower left corner, the gear is fixedly connected to the front end of the horizontal axis, and the top gear is meshed with the bottom gear. The side plate is provided to provide support force for the hydraulic motor.

[0010] Preferably, the synchronous wheel is fixedly connected to the rear end of the horizontal shaft, and the synchronous wheel at the top is connected through a synchronous belt transmission.

[0011] Preferably, a shock absorbing mechanism is provided at the bottom of the base, and the shock absorbing mechanism includes four dampers, the top ends of the four dampers are respectively fixedly connected to the four corners of the bottom of the base, the bottom ends of the dampers are fixedly connected to the base, and the outer sleeve of the damper is provided with a spring. The damper is driven to rebound by providing the spring.

[0012] Preferably, a slide groove is provided on the front of the base, a slider is slidably connected inside the slide groove, and the slider is hinged to the base through a connecting rod. The movement of the slider is limited by setting the slide groove.

[0013] Preferably, an inclined slide is provided on the top of the base, and a trash box is provided at the lower right corner of the inclined slide. Iron filings dropped during the straightening of the steel pipe will fall onto the inclined slide and roll down from the inclined slide into the trash box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By turning on the hydraulic motor to drive the horizontal axis in the lower left corner to rotate, the rotation of the horizontal axis in the lower left corner drives ten rollers to rotate simultaneously through gears, and during the rotation process, the three bent pipes to be straightened are rolled into the interior through friction and straightened through the circular grooves. In this way, the three steel pipes can be straightened at the same time, thereby improving the processing efficiency.

[0016] Through the mutual cooperation among the damper, spring, base, slide groove, slider and connecting rod, the mechanical vibration generated during the operation of the straightening mechanism can be damped, thereby reducing noise pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2It is a schematic diagram of the back structure of the utility model;

[0019] Figure 3 It is a side structural sectional view of the utility model;

[0020] Figure 4 It is a front structural sectional view of the utility model.

[0021] In the figure: 1, base; 2, straightening mechanism; 3, shock absorbing mechanism; 4, inclined slide; 5, garbage box; 21, side plate; 22, horizontal axis; 23, roller; 24, circular groove; 25, hydraulic motor; 26, gear; 27, synchronous wheel; 28, synchronous belt; 31, damper; 32, spring; 33, base; 34, slide groove; 35, slider; 36, connecting rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0023] like Figure 1-4 As shown, a steel pipe straightening machine for steel pipe processing includes a base 1, and a straightening mechanism 2 is arranged on the top of the base 1; the straightening mechanism 2 includes a side plate 21, a horizontal axis 22, a roller 23, a circular groove 24, a hydraulic motor 25, a gear 26, a synchronous wheel 27, and a synchronous belt 28; there are two side plates 21, and the two side plates 21 are fixedly connected to the top of the base 1, and there are two groups of horizontal axes 22 and rollers 23, and the left and right ends of the two groups of horizontal axes 22 rotate through the two side plates 21 through bearings, and the rollers 23 are fixedly connected to the middle of the horizontal axis 22. There are three groups of circular grooves 24, and the circular grooves 24 are opened on the circumferential outer wall of the rollers 23. The side plates 21 are provided to provide support force for the horizontal axis 22. The hydraulic motor 25 is fixedly connected to one side of the back side plate 21, the front output end of the hydraulic motor 25 is fixedly connected to the rear end of the lower left corner horizontal shaft 22, the gear 26 is fixedly connected to the front end of the horizontal shaft 22, and the top gear 26 is meshed with the bottom gear 26. The side plate 21 is provided to provide support for the hydraulic motor 25. The synchronous wheel 27 is fixedly connected to the rear end of the horizontal shaft 22, and the top synchronous wheel 27 is connected through a synchronous belt 28.

[0024] When in use, first insert one end of the three bent pipes to be straightened into the three groups of circular grooves 24 between the two groups of rollers 23 respectively, and then start the hydraulic motor 25 to drive the horizontal axis 22 at the lower left corner to rotate, and the rotation of the horizontal axis 22 at the lower left corner drives the horizontal axis 22 at the upper left corner to rotate through the gear 26, and the rotation of the horizontal axis 22 at the upper left corner drives the synchronous wheel 27 at the upper left corner to rotate, and the synchronous wheel 27 at the upper left corner rotates through the synchronous belt 28 to drive the five synchronous wheels 27 to rotate at the same time, and the rotation of the five synchronous wheels 27 drives the top five horizontal axes 22 to rotate at the same time, and the top five horizontal axes 22 rotate at the same time through the gear 26 to drive the bottom five horizontal axes 22 to rotate at the same time, thereby ten horizontal axes 22 rotate at the same time, and drive ten rollers 23 to rotate at the same time, and in the process of rotation, the three bent pipes to be straightened are rolled into the interior thereof by friction force, and are straightened through the circular groove 24, thereby three steel pipes can be straightened at the same time, thereby improving the processing efficiency. Example

[0025] like Figure 1-4 As shown, a shock absorbing mechanism 3 is provided at the bottom of the base 1, and the shock absorbing mechanism 3 includes four dampers 31, the top ends of the four dampers 31 are fixedly connected to the four corners of the bottom of the base 1 respectively, the bottom ends of the dampers 31 are fixedly connected to the base 33, and the outer sleeve of the dampers 31 is provided with a spring 32. The damper 31 is driven to rebound by setting the spring 32. A slide groove 34 is provided on the front of the base 1, and a slider 35 is slidably connected inside the slide groove 34, and the slider 35 is hinged to the base 33 through a connecting rod 36. The movement of the slider 35 is limited by setting the slide groove 34. An inclined slide 4 is provided on the top of the base 1, and a garbage box 5 is provided at the lower right corner of the inclined slide 4. Iron filings dropped during the straightening process of the steel pipe will fall onto the inclined slide 4 and roll down from the inclined slide 4 into the garbage box 5.

[0026] When in use, on the basis of the first embodiment, through the mutual cooperation between the damper 31, the spring 32, the base 33, the slide groove 34, the slider 35, and the connecting rod 36, the mechanical vibration generated during the operation of the straightening mechanism 2 can be damped, thereby reducing noise pollution.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A steel pipe straightening machine for steel pipe processing, comprising a base (1), characterized in that: A straightening mechanism (2) is provided on the top of the base (1); The straightening mechanism (2) comprises a side plate (21), a horizontal shaft (22), a roller (23), a circular groove (24), a hydraulic motor (25), a gear (26), a synchronous wheel (27), and a synchronous belt (28); The number of the side plates (21) is two, and the two side plates (21) are fixedly connected to the top of the base (1). The number of the transverse shaft (22) and the roller (23) is two groups, and the left and right ends of the two groups of transverse shafts (22) rotate through the two side plates (21) through bearings respectively. The roller (23) is fixedly connected to the middle of the transverse shaft (22). The number of the circular grooves (24) is three, and the circular grooves (24) are opened on the circumferential outer wall of the roller (23).

2. The steel pipe straightening machine for steel pipe processing according to claim 1, characterized in that: The hydraulic motor (25) is fixedly connected to one side of the side plate (21) at the back, the front output end of the hydraulic motor (25) is fixedly connected to the rear end of the horizontal shaft (22) at the lower left corner, the gear (26) is fixedly connected to the front end of the horizontal shaft (22), and the top gear (26) is meshed with the bottom gear (26).

3. The steel pipe straightening machine for steel pipe processing according to claim 2, characterized in that: The synchronous wheel (27) is fixedly connected to the rear end of the transverse shaft (22), and the top of the synchronous wheel (27) is connected by a synchronous belt (28).

4. The steel pipe straightening machine for steel pipe processing according to claim 3, characterized in that: A shock absorbing mechanism (3) is provided at the bottom of the base (1), the shock absorbing mechanism (3) comprising four dampers (31), the top ends of the four dampers (31) being fixedly connected to the four corners of the bottom of the base (1), the bottom ends of the dampers (31) being fixedly connected to a base (33), and the outer sleeve of the dampers (31) being provided with a spring (32).

5. The steel pipe straightening machine for steel pipe processing according to claim 4, characterized in that: A slide groove (34) is provided on the front side of the base (1), a sliding block (35) is slidably connected inside the slide groove (34), and the sliding block (35) is hinged to the base (33) via a connecting rod (36).

6. The steel pipe straightening machine for steel pipe processing according to claim 5, characterized in that: An inclined slide (4) is provided on the top of the base (1), and a trash box (5) is provided at the lower right corner of the inclined slide (4).

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