Cutting device for steel pipe production

Abstract

The utility model is applicable to the technical field of steel pipe cutting devices, and provides a cutting device for steel pipe production, which comprises a base and is characterized in that a baffle is fixedly connected to one side of the top of the base, a first fixing ring is arranged above the base, and a fixing frame is fixedly connected between the first fixing ring and the base. The number of the fixing frames is two, a second fixing ring is arranged on the inner circumference of the first fixing ring, and two extension rods are fixedly connected between the second fixing ring and the baffle. According to the steel pipe cutting device, the fixing mechanism is arranged, the first abutting blocks can be driven to abut against the periphery of a steel pipe by starting the first stepping motor, the second abutting blocks can be driven to abut against the inner periphery of the steel pipe by starting the second stepping motor, and after the inner periphery and the outer periphery of the steel pipe are both supported, the steel pipe is cut; and a thin steel pipe can be prevented from being pressed and deformed during cutting, so that the reliability of the steel pipe during cutting is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel pipe cutting device, especially involves a cutting device for steel pipe production. BACKGROUND

[0002] Steel pipe has hollow section, and its length is much greater than diameter or perimeter of steel material. Steel pipe is divided into conveying pipeline, engineering structure, heat engineering equipment, petroleum and chemical industry, machinery manufacturing, geological drilling, high pressure equipment steel pipe according to use, and steel pipe is not only used to convey fluid and powder solid, exchange heat energy, manufacture mechanical parts and container, it is also an economic steel material. Manufacturing building structure net rack, pillar and mechanical support with steel pipe can reduce weight, save metal, and can realize factory mechanization construction. Steel pipe usually needs to be cut before use.

[0003] But the existing steel pipe cutting device generally only fixes one of the outer periphery or inner periphery of steel pipe, which has no problem when cutting the steel pipe with thick thickness, but when cutting the steel pipe with thin thickness, because the support of steel pipe is not enough and not uniform enough, it is easy to cause the deformation of steel pipe when cutting. UTILITY MODEL CONTENTS

[0004] The utility model provides a cutting device for steel pipe production, aims at solving the problem of the existing steel pipe cutting device mentioned in the background art that the support of steel pipe is not enough and not uniform enough when cutting the steel pipe with thin thickness, which is easy to cause the deformation of steel pipe when cutting.

[0005] The utility model is realized in this way, a cutting device for steel pipe production, including base, the base top side is fixedly connected with baffle, the base top is equipped with the first fixed ring, the first fixed ring is fixedly connected with fixed frame between the base, the fixed frame number is equipped with two, the first fixed ring inner periphery is equipped with the second fixed ring, the second fixed ring is fixedly connected with extension rod between the baffle, the extension rod number is equipped with two, the first fixed ring and the second fixed ring are equipped with fixed mechanism between, the fixed mechanism is used for the synchronous fixed of the inner periphery and the outer periphery of steel pipe.

[0006] Preferably, the fixed mechanism includes a first fixing structure and a second fixing structure, the first fixing structure is used for fixing the outer periphery of the steel pipe, and the second fixing structure is used for fixing the inner periphery of the steel pipe.

[0007] Preferably, the first fixing structure comprises a first mounting plate, a first rotating ring and a first rotating cylinder, the first mounting plate is arranged at the outer periphery of the first fixing ring, two first connecting rods are fixedly connected between the first mounting plate and the first fixing ring, a first stepping motor is fixedly connected to the side wall of the first mounting plate, and a first driving gear is fixedly connected to the output shaft of the first stepping motor.

[0008] The first rotating ring is rotationally arranged at the outer periphery of the first fixing ring, a first driving gear ring is fixedly connected to the side wall of the first fixing ring, and the first driving gear ring is meshedly connected with the first driving gear.

[0009] The first rotating cylinder is arranged through the first fixing ring at the middle portion, the first rotating cylinder is rotationally connected with the first fixing ring, the number of the first rotating cylinders is multiple, and the multiple first rotating cylinders are distributed around the center of the first fixing ring.

[0010] The first rotating cylinder is fixedly connected with a first driven gear ring at the outer periphery, the first driven gear ring is meshedly connected with the first driving gear ring, the first rotating cylinder is threadedly connected with a first threaded rod at the inner periphery, one end of the first threaded rod is fixedly connected with a first abutting block, the other end of the first threaded rod is fixedly connected with a first fixing rod, the first fixing rod is fixedly connected with a first limiting rod at both ends of the side wall, the first limiting rod is arranged through the first fixing ring at the middle portion, and the first limiting rod is slidably connected with the first fixing ring.

[0011] By starting the first stepping motor, the first stepping motor can drive the first driving gear to rotate, the first driving gear can drive the first driving gear ring to rotate at the same time, the first driving gear ring can drive multiple first driven gear rings and the first rotating cylinder to rotate synchronously at the same time, the first threaded rod and the first fixing rod are limited by the two first limiting rods, so that the first threaded rod cannot rotate, and thus the first threaded rod connected with the first rotating cylinder can move along the axis direction of the first rotating cylinder when the first rotating cylinder rotates, and therefore the first abutting blocks at the ends of the multiple first threaded rods can abut against the outer periphery of the steel pipe at the same time when the multiple first rotating cylinders rotate synchronously.

[0012] Preferably, the second fixing structure comprises a second mounting plate, a second rotating ring and a second rotating cylinder, the second mounting plate is arranged at the inner periphery of the second fixing ring, two second connecting rods are fixedly connected between the second mounting plate and the second fixing ring, a second stepping motor is fixedly connected to the side wall of the second mounting plate, and a second driving gear is fixedly connected to the output shaft of the second stepping motor.

[0013] The second rotating ring is rotationally arranged at the inner periphery of the second fixing ring, a second driving gear ring is fixedly connected to the side wall of the second fixing ring, and the second driving gear ring is meshedly connected with the second driving gear.

[0014] The second rotating cylinder is arranged through the second fixed ring, and the second rotating cylinder is rotationally connected with the second fixed ring.

[0015] The second rotating cylinder is arranged through the second fixed ring, and the second rotating cylinder is rotationally connected with the second fixed ring.

[0016] By starting the second stepper motor, the second stepper motor can drive the second driving gear to rotate, and the second driving gear can drive the second driving gear ring to rotate, and the second driving gear ring can simultaneously drive the plurality of second driven gear rings and the second rotating cylinder to rotate synchronously.

[0017] Preferably, the base is fixedly connected with a fixed frame at the top, and the fixed frame is fixedly connected with an electric push rod at the bottom, and the output end of the electric push rod is fixedly connected with a cutting machine.

[0018] By driving the cutting machine to move downward through the electric push rod, the fixed steel pipe can be cut through the cutting machine.

[0019] Compared with the prior art, the cutting device for steel pipe production has the advantages that:

[0020] By setting the fixing mechanism, the plurality of first abutting blocks can be brought into abutment with the outer periphery of the steel pipe by starting the first stepper motor, and the plurality of second abutting blocks can be brought into abutment with the inner periphery of the steel pipe by starting the second stepper motor. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a fixing mechanism schematic view of the utility model;

[0023] Figure 3 It is the first step motor installation position schematic view of the utility model;

[0024] Figure 4 It is the second step motor installation position schematic view of the utility model;

[0025] Figure 5 It is the A part structure enlarged view of the utility model Figure 2 .

[0026] In the figure,

[0027] 1, base; 11, baffle; 12, first fixed ring; 13, fixed frame; 14, second fixed ring; 15, extension rod;

[0028] 2, fixed mechanism;

[0029] 21, first fixed structure; 211, first mounting plate; 212, first rotating ring; 213, first rotating cylinder; 214, first connecting rod; 215, first step motor; 216, first driving gear; 217, first driving gear ring; 218, first driven gear ring; 219, first threaded rod; 2110, first abutment block; 2111, first fixed rod; 2112, first limiting rod;

[0030] 22, second fixed structure; 221, second mounting plate; 222, second rotating ring; 223, second rotating cylinder; 224, second connecting rod; 225, second step motor; 226, second driving gear; 227, second driving gear ring; 228, second driven gear ring; 229, second threaded rod; 2210, second abutment block; 2211, second fixed rod; 2212, second limiting rod;

[0031] 3, fixed frame; 4, electric push rod; 5, cutting machine. DETAILED DESCRIPTION

[0032] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of embodiments of the utility model, not all embodiments.

[0033] The components of the utility model embodiments generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0034] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0035] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate with a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "connection", "connect" should be broad sense, for example, it can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0037] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a cutting device for steel pipe production, including base 1, base 1 top side is fixedly connected with baffle 11, first fixed ring 12 is equipped in the upper of base 1, fixed frame 13 is fixedly connected between first fixed ring 12 and base 1, the number of fixed frame 13 is two, second fixed ring 14 is equipped in the inner periphery of first fixed ring 12, fixedly connected with extension rod 15 between second fixed ring 14 and baffle 11, the number of extension rod 15 is two, fixed mechanism 2 is equipped between first fixed ring 12 and second fixed ring 14, and fixed mechanism 2 is used for the synchronous fixing of the inner periphery and outer periphery of steel pipe.

[0038] Further, fixed mechanism 2 includes first fixed structure 21 and second fixed structure 22, and the first fixed structure 21 is used for fixing the outer periphery of steel pipe, and the second fixed structure 22 is used for fixing the inner periphery of steel pipe.

[0039] Further, first fixed structure 21 includes first mounting plate 211, first rotating ring 212 and first rotating cylinder 213, first mounting plate 211 is arranged on the outer periphery of first fixed ring 12, two first connecting rods 214 are fixedly connected between first mounting plate 211 and first fixed ring 12, first mounting plate 211 side wall is fixedly connected with first stepper motor 215, and the output shaft of first stepper motor 215 is fixedly connected with first driving gear 216;

[0040] The first rotating ring 212 is rotationally arranged at the outer periphery of the first fixed ring 12. The side wall of the first fixed ring 12 is fixedly connected with a first driving gear ring 217. The first driving gear ring 217 is in meshing connection with a first driving gear 216.

[0041] The first rotating cylinder 213 is arranged through the first fixed ring 12 at the middle part. The first rotating cylinder 213 is in rotational connection with the first fixed ring 12. The number of the first rotating cylinder 213 is multiple. The multiple first rotating cylinders 213 are distributed around the center of the first fixed ring 12.

[0042] The outer periphery of the first rotating cylinder 213 is fixedly connected with a first driven gear ring 218. The first driven gear ring 218 is in meshing connection with the first driving gear ring 217. The inner periphery of the first rotating cylinder 213 is threadedly connected with a first threaded rod 219. One end of the first threaded rod 219 is fixedly connected with a first abutting block 2110. The other end of the first threaded rod 219 is fixedly connected with a first fixed rod 2111. The side wall of the first fixed rod 2111 is fixedly connected with a first limiting rod 2112 at both ends. The middle part of the two first limiting rods 2112 is arranged through the first fixed ring 12. The two first limiting rods 2112 are in sliding connection with the first fixed ring 12.

[0043] Further, the second fixed structure 22 comprises a second mounting plate 221, a second rotating ring 222 and a second rotating cylinder 223. The second mounting plate 221 is arranged at the inner periphery of the second fixed ring 14. The second mounting plate 221 is fixedly connected with two second connecting rods 224 between the second mounting plate 221 and the second fixed ring 14. The side wall of the second mounting plate 221 is fixedly connected with a second stepping motor 225. The output shaft of the second stepping motor 225 is fixedly connected with a second driving gear 226.

[0044] The second rotating ring 222 is rotationally arranged at the inner periphery of the second fixed ring 14. The side wall of the second fixed ring 14 is fixedly connected with a second driving gear ring 227. The second driving gear ring 227 is in meshing connection with the second driving gear 226.

[0045] The second rotating cylinder 223 is arranged through the second fixed ring 14 at the middle part. The second rotating cylinder 223 is in rotational connection with the second fixed ring 14. The number of the second rotating cylinder 223 is multiple. The multiple second rotating cylinders 223 are distributed around the center of the second fixed ring 14.

[0046] The second rotation cylinder 223 is fixedly connected with a second driven gear ring 228 in the outer periphery, the second driven gear ring 228 is in meshing connection with the second driving gear ring 227, the second rotation cylinder 223 is screw-connected with a second threaded rod 229 in the inner periphery, one end of the second threaded rod 229 is fixedly connected with a second abutting block 2210, the other end of the second threaded rod 229 is fixedly connected with a second fixed rod 2211, the side wall of the second fixed rod 2211 is fixedly connected with a second limiting rod 2212 at both ends, the second limiting rod 2212 is arranged through the second fixed ring 14 in the middle, and the second limiting rod 2212 is in sliding connection with the second fixed ring 14.

[0047] Further, the fixed frame 3 is fixedly connected to the top of the base 1, the electric push rod 4 is fixedly connected to the bottom of the fixed frame 3, and the cutting machine 5 is fixedly connected to the output end of the electric push rod 4.

[0048] The working principle and use process of the utility model are as follows:

[0049] Firstly, the steel pipe to be cut is inserted between the first fixed ring 12 and the second fixed ring 14, then the first stepping motor 215 is started, the first stepping motor 215 can drive the first driving gear 216 to rotate, the first driving gear 216 drives the first driving gear ring 217 to rotate at the same time, the first driving gear ring 217 drives a plurality of first driven gear rings 218 and the first rotation cylinder 213 to rotate synchronously at the same time, the first threaded rod 219 and the first fixed rod 2111 are limited by the two first limiting rods 2112, so that the first threaded rod 219 cannot rotate, so that the first threaded rod 219 connected with the first rotation cylinder 213 can move along the axis direction of the first rotation cylinder 213 when the first rotation cylinder 213 rotates, and therefore the first abutting block 2110 at the end of the first threaded rod 219 can abut against the outer periphery of the steel pipe when a plurality of first rotation cylinders 213 rotate synchronously;

[0050] Then the second stepping motor 225 is started, the second stepping motor 225 can drive the second driving gear 226 to rotate, the second driving gear 226 drives the second driving gear ring to rotate at the same time, the second driving gear ring drives a plurality of second driven gear rings 228 and the second rotation cylinder 223 to rotate synchronously at the same time, the second threaded rod 229 and the second fixed rod 2211 are limited by the two second limiting rods 2212, so that the second threaded rod 229 cannot rotate, so that the second threaded rod 229 connected with the second rotation cylinder 223 can move along the axis direction of the second rotation cylinder 223 when the second rotation cylinder 223 rotates, and therefore the second abutting block 2210 at the end of the second threaded rod 229 can abut against the outer periphery of the steel pipe when a plurality of second rotation cylinders 223 rotate synchronously;

[0051] The cutting machine 5 is driven by the electric push rod 4 to move downwards, and the fixed steel pipe can be cut by the cutting machine 5.

Claims

1. A cutting device for the production of steel pipes, comprising a base (1), characterized in that: The base (1) top side is fixedly connected with a baffle (11), the base (1) is equipped with a first fixed ring (12), the first fixed ring (12) and the base (1) are fixedly connected with a fixed frame (13), the fixed frame (13) is provided with two, the inner periphery of the first fixed ring (12) is equipped with a second fixed ring (14), the second fixed ring (14) and the baffle (11) are fixedly connected with an extension rod (15), the extension rod (15) is provided with two, the first fixed ring (12) and the second fixed ring (14) are equipped with a fixing mechanism (2), the fixing mechanism (2) is used for synchronously fixing the inner periphery and the outer periphery of the steel pipe.

2. The cutting device for steel pipe production according to claim 1, characterized in that: The fixing mechanism (2) comprises a first fixed structure (21) and a second fixed structure (22), the first fixed structure (21) is used for fixing the outer periphery of the steel pipe, and the second fixed structure (22) is used for fixing the inner periphery of the steel pipe.

3. The cutting apparatus for a steel pipe production as claimed in claim 2, wherein: The first fixed structure (21) comprises a first mounting plate (211), a first rotating ring (212) and a first rotating cylinder (213), the first mounting plate (211) is arranged on the outer periphery of the first fixed ring (12), two first connecting rods (214) are fixedly connected between the first mounting plate (211) and the first fixed ring (12), a first stepping motor (215) is fixedly connected to the side wall of the first mounting plate (211), and the output shaft of the first stepping motor (215) is fixedly connected with a first driving gear (216); The first rotating ring (212) is rotatably arranged on the outer periphery of the first fixed ring (12), a first driving gear ring (217) is fixedly connected to the side wall of the first fixed ring (12), and the first driving gear ring (217) is meshed with the first driving gear (216); The first rotating cylinder (213) is arranged through the first fixed ring (12) at the middle part, the first rotating cylinder (213) is rotatably connected with the first fixed ring (12), and a plurality of first rotating cylinders (213) are arranged around the center of the first fixed ring (12); The first rotating cylinder (213) is fixedly connected with a first driven gear ring (218) on the outer periphery, the first driven gear ring (218) is meshed with the first driving gear ring (217), the first rotating cylinder (213) is threadedly connected with a first threaded rod (219) on the inner periphery, one end of the first threaded rod (219) is fixedly connected with a first abutting block (2110), the other end of the first threaded rod (219) is fixedly connected with a first fixed rod (2111), the side wall of the first fixed rod (2111) is fixedly connected with a first limiting rod (2112) at both ends, the middle part of the two first limiting rods (2112) is arranged through the first fixed ring (12), and the two first limiting rods (2112) are slidably connected with the first fixed ring (12).

4. The cutting apparatus for a steel pipe production as claimed in claim 2, wherein: The second fixed structure (22) comprises a second mounting plate (221), a second rotating ring (222) and a second rotating cylinder (223), the second mounting plate (221) is arranged on the inner periphery of the second fixed ring (14), two second connecting rods (224) are fixedly connected between the second mounting plate (221) and the second fixed ring (14), a second stepper motor (225) is fixedly connected to the side wall of the second mounting plate (221), and a second driving gear (226) is fixedly connected to the output shaft of the second stepper motor (225); The second rotating ring (222) is rotatably arranged on the inner periphery of the second fixed ring (14), a second driving gear ring (227) is fixedly connected to the side wall of the second fixed ring (14), and the second driving gear ring (227) is in meshing connection with the second driving gear (226); The second rotating cylinder (223) is arranged through the second fixed ring (14) at the middle portion, the second rotating cylinder (223) is in rotational connection with the second fixed ring (14), the number of the second rotating cylinder (223) is plural, and the plural second rotating cylinders (223) are distributed around the center of the second fixed ring (14); The second rotating cylinder (223) is fixedly connected with a second driven gear ring (228) on the outer periphery, the second driven gear ring (228) is in meshing connection with the second driving gear ring (227), the second rotating cylinder (223) is threadedly connected with a second threaded rod (229) on the inner periphery, one end of the second threaded rod (229) is fixedly connected with a second abutting block (2210), the other end of the second threaded rod (229) is fixedly connected with a second fixed rod (2211), the side wall of the second fixed rod (2211) is fixedly connected with a second limiting rod (2212) at both ends, the middle portion of the two second limiting rods (2212) is arranged through the second fixed ring (14), and the two second limiting rods (2212) are in sliding connection with the second fixed ring (14).

5. The cutting apparatus for a steel pipe production as claimed in claim 1, wherein: The base (1) is fixedly connected with a fixed frame (3) on the top, the fixed frame (3) is fixedly connected with an electric push rod (4) on the bottom, and the output end of the electric push rod (4) is fixedly connected with a cutting machine (5).

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