Online straightening device for cold-drawn precise seamless steel pipe

Abstract

The utility model relates to the technical field of steel pipe straightening, and provides a cold-drawn precision seamless steel pipe online straightening device which comprises a fixing frame, a straightening machine body fixedly arranged on the fixing frame, a feeding seat, a cleaning shell and a cleaning ring, the feeding seat is fixedly arranged on the side, located on the straightening machine body, of the fixing frame, a feeding opening is formed in the feeding seat, and the cleaning ring is arranged on the cleaning shell. A feeding mechanism is arranged in the feeding port and used for enabling a steel pipe to penetrate through the feeding port and feeding the steel pipe into the straightening machine body, a cleaning shell is fixedly arranged in the feeding port, a cleaning port is formed in the cleaning shell, a cleaning ring is rotatably arranged in the cleaning port, cleaning bristles are evenly distributed on the inner wall of the cleaning ring, and a first rotating mechanism is arranged on the feeding base. By means of the technical scheme, the problem that in the prior art, in the steel pipe straightening process, impurities attached to the surface of a steel pipe easily affect the straightening effect is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe straightening technical field, concretely relates to a kind of cold-drawing precision seamless steel pipe on-line straightening device. BACKGROUND

[0002] Cold-drawing precision seamless steel pipe is a kind of seamless steel pipe with high-precision size and good surface quality, with high precision, excellent surface quality and excellent comprehensive mechanical properties, plays a very key role in many fields such as mechanical manufacturing, automobile manufacturing, aerospace, hydraulic and pneumatic, in practical application, the straightness of cold-drawing precision seamless steel pipe is a crucial indicator.If the straightness of steel pipe is poor, in the process of mechanical assembly, it will lead to the matching precision between parts, affect the overall performance and stability of equipment.For example, in hydraulic system, curved steel pipe will make internal fluid flow not smooth, reduce the working efficiency of system, and even cause leakage and other faults.Moreover, the steel pipe that is not straight will appear stress concentration phenomenon when bearing pressure or load, greatly reduce the carrying capacity and service life of steel pipe, and may cause safety accidents in serious cases.

[0003] In prior art, the straightening of steel pipe is generally carried out by using roller straightening machine, which is a group of staggered rollers to repeatedly bend the steel pipe, so that the original bending of the steel pipe is gradually eliminated in the process of elastic-plastic deformation, to achieve the effect of straightening.The structure generally includes upper and lower rows of rollers, the height of upper row of rollers can be adjusted by adjusting device to adapt to steel pipes of different diameters and bending degrees.When working, the steel pipe moves forward under the drive of rollers, and is subjected to bending force applied by rollers at the same time.

[0004] However, during the process of leaving factory and transportation, the surface of steel pipe will be attached with certain impurities, such as residual oxide skin in production process and dust, silt and the like contaminated during transportation and storage, which will have negative impact on the work of roller straightening machine, when the steel pipe contacts with rollers, impurities will form abrasive particles between them, aggravate the wear of rollers, shorten the service life of rollers, increase equipment maintenance cost, and impurities are also easy to embed into the surface of steel pipe, damage its surface quality, reduce the precision of steel pipe, and affect the subsequent use performance. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of cold-drawing precision seamless steel pipe on-line straightening device, solve the problem that the impurities attached to the surface of steel pipe in the straightening process in prior art can easily affect straightening effect.

[0006] The utility model discloses a technical scheme as follows: a kind of cold-drawing precision seamless steel tube on-line straightening device, including fixing frame, the fixing frame is fixedly arranged with straightening machine body, it further includes feed seat, cleaning shell and cleaning ring, the feed seat is fixedly arranged on the fixing frame at the straightening machine body side, feed inlet is opened in the feed seat, feed mechanism is arranged in the feed inlet, for steel tube is penetrated the feed inlet and is fed to the straightening machine body, the cleaning shell is fixedly arranged in the feed inlet, cleaning port is opened in the cleaning shell, the cleaning ring is rotatably arranged in the cleaning port, and cleaning brush is uniformly distributed on the inner wall of the cleaning ring, first rotating mechanism is arranged on the feed seat, for driving the cleaning ring rotates.

[0007] Preferably, the first rotating mechanism includes a first gear ring, a first gear, a first bevel gear, a second bevel gear, and a first motor. The first gear ring is fixedly arranged on the cleaning ring. The inner top wall of the cleaning shell is provided with a cleaning groove. The first gear is rotatably arranged in the cleaning groove. The first gear is engaged with the first gear ring. A first cavity is formed in the cleaning shell. A first bevel gear is rotatably arranged on the side wall of the first cavity near the first gear. A first connecting rod is fixedly arranged between the first bevel gear and the first gear. The second bevel gear is rotatably arranged on the inner top wall of the first cavity. The first motor is fixedly arranged on the feed seat. The output end of the first motor is fixedly connected with the second bevel gear.

[0008] Further, the dust collection mechanism is arranged on the feed seat to collect dust generated during the cleaning process. The dust collection mechanism includes a dust collection box, a fan, and a dust collection pipe. The dust collection box and the fan are fixedly arranged on the fixing frame. The dust collection box and the fan are arranged on one side of the feed seat. A filter plate is arranged in the dust collection box. The dust collection pipe is in communication between the dust collection box and the inner bottom wall of the cleaning shell. A plurality of dust collection ports are formed in the cleaning ring. The input end of the fan is in communication with the dust collection box.

[0009] Further, the feed mechanism includes a first driving block, a second driving block, and a feed roller. Two first driving grooves are formed in the side wall of the feed inlet away from the dust collection box. Two first driving blocks are slidably arranged in the first driving grooves. Two second driving grooves are formed in the side wall of the feed inlet near the dust collection box. Two second driving blocks are slidably arranged in the second driving grooves. A feed roller is rotatably arranged between the first driving block and the second driving block. A relative movement mechanism is arranged in the first driving groove to drive the two first driving blocks in the same first driving groove to move relative to each other. A second rotating mechanism is arranged in the second driving groove to drive the feed roller to rotate.

[0010] Further, the relative moving mechanism comprises a bidirectional screw and a second motor, the bidirectional screw is rotationally arranged in the first driving slot, the bidirectional screw is threadedly connected with the two first driving blocks penetrating through the same first driving slot, two first motors are installed on the feeding base, and output ends of the first motors are fixedly connected with the bidirectional screw.

[0011] On the basis of the above scheme, the second rotating mechanism comprises a third bevel gear, a fourth bevel gear, a driving prism and a third motor, a second cavity is formed in the second driving block in one of the second driving slots, the third bevel gear is rotationally arranged on a side wall of the second cavity, a second connecting rod is fixedly arranged between the third bevel gear and the feeding roller, a fourth bevel gear is rotationally arranged on an inner top wall of the second cavity, the fourth bevel gear is engaged with the third bevel gear, a driving port is formed in the second driving block, the driving prism is rotationally arranged in the second driving slot, the driving prism penetrates through the driving port and the fourth bevel gear, the driving prism is slidingly connected with the fourth bevel gear, and the third motor is installed on the feeding base and fixedly connected with the driving prism.

[0012] The working principle and beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, the first motor is arranged to drive the second bevel gear to rotate, the second bevel gear is engaged with the first bevel gear to drive the first bevel gear and the first gear to rotate, the first gear is engaged with the first tooth ring to drive the first tooth ring and the cleaning ring to rotate, and the cleaning brush on the cleaning ring can clean the impurities adhered to the steel pipe.

[0014] 2. In the utility model, the dust collecting mechanism is arranged to generate negative pressure in the dust collecting box through the work of the fan, the dust collecting pipe and the dust collecting port are arranged to collect the impurities in the cleaning process, and the cleaning effect of the impurities on the surface of the steel pipe is improved.

[0015] 3. In the utility model, the relative moving mechanism is arranged to drive the bidirectional screw to rotate through the work of the second motor, the first driving block is driven to move relative to the bidirectional screw through the thread connection between the bidirectional screw and the first driving block, the feeding roller is driven to clamp the steel pipe through the movement of the first driving block, and the steel pipe is prevented from being skewed in the feeding port.

[0016] 4. The utility model discloses, through the setting of second rotating mechanism, drive prism is rotated with the work of third motor, and through the sliding fit of drive prism and fourth bevel gear, fourth bevel gear is rotated, and then through the meshing of fourth bevel gear and third bevel gear, third bevel gear and feed roller are rotated, so that the friction between feed roller and steel pipe can drive steel pipe to move in the feed inlet, so that it is convenient to drive steel pipe to feed into the straightening machine body while carrying out the comprehensive cleaning of steel pipe.

[0017] 5. The utility model discloses, through the setting of feed seat, cleaning shell and cleaning ring, it is convenient to realize the cleaning of steel pipe through the rotation of cleaning ring with the movement cooperation of steel pipe, so as to solve the problem that the impurity attached to the surface of steel pipe in the straightening process of prior art can affect the straightening effect. DRAWINGS

[0018] The utility model will be explained further in detail below in combination with the drawings and specific embodiment.

[0019] Figure 1 It is structure schematic drawing of the utility model;

[0020] Figure 2 It is structure schematic drawing of feed seat place of the utility model;

[0021] Figure 3 It is sectional structure schematic drawing of feed mechanism place of the utility model;

[0022] Figure 4 It is the utility model Figure 3 It is the local enlarged structure schematic drawing of A place of the utility model;

[0023] Figure 5 It is sectional structure schematic drawing of first rotating mechanism place of the utility model;

[0024] In the drawing: 1, fixed frame;2, straightening machine body;3, feed seat;4, cleaning shell;5, cleaning ring;6, feed inlet;7, first tooth ring;8, first gear;9, first bevel gear;10, second bevel gear;11, first motor;12, dust collection box;13, fan;14, dust collection pipe;15, dust collection port;16, first drive block;17, second drive block;18, feed roller;19, bidirectional screw;20, second motor;21, third bevel gear;22, fourth bevel gear;23, drive prism;24, third motor. SPECIFIC EMBODIMENT

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are involved in the protection scope of the utility model.

[0026] As shown in Figures 1-5 The embodiment provides an on-line straightening device for cold-drawing precision seamless steel pipes, which comprises a fixing frame 1, a straightening machine body 2 fixedly arranged on the fixing frame 1, a feeding seat 3, a cleaning shell 4 and a cleaning ring 5, the feeding seat 3 is fixedly arranged on one side of the straightening machine body 2, a feeding opening 6 is formed in the feeding seat 3, a feeding mechanism is arranged in the feeding opening 6, the feeding mechanism is used for feeding the steel pipe through the feeding opening 6 and into the straightening machine body 2, the cleaning shell 4 is fixedly arranged in the feeding opening 6, a cleaning opening is formed in the cleaning shell 4, the cleaning ring 5 is rotatably arranged in the cleaning opening, cleaning bristles are uniformly distributed on the inner wall of the cleaning ring 5, and a first rotating mechanism is arranged on the feeding seat 3 and used for driving the cleaning ring 5 to rotate.

[0027] Referring to Figure 5 The first rotating mechanism comprises a first tooth ring 7, a first gear 8, a first bevel gear 9, a second bevel gear 10 and a first motor 11, the first tooth ring 7 is fixedly arranged on the cleaning ring 5, a cleaning groove is formed in the inner top wall of the cleaning shell 4, the first gear 8 is rotatably arranged in the cleaning groove, the first gear 8 is engaged with the first tooth ring 7, a first cavity is formed in the cleaning shell 4, a first bevel gear 9 is rotatably arranged on the side wall of the first cavity close to the first gear 8, a first connecting rod is fixedly arranged between the first bevel gear 9 and the first gear 8, a second bevel gear 10 is rotatably arranged on the inner top wall of the first cavity, the first motor 11 is fixedly arranged on the feeding seat 3, and the output end of the first motor 11 is fixedly connected with the second bevel gear 10, the second bevel gear 10 is driven to rotate by the working of the first motor 11, the first bevel gear 9 and the first gear 8 are driven to rotate by the engagement between the second bevel gear 10 and the first bevel gear 9, and then the first tooth ring 7 and the cleaning ring 5 are driven to rotate by the engagement between the first gear 8 and the first tooth ring 7, so that the cleaning bristles on the cleaning ring 5 can clean the impurities attached to the steel pipe.

[0028] Referring to Figure 2 and Figure 3Further comprising a dust collecting mechanism arranged on the feeding seat 3 for collecting dust generated in the cleaning process, the dust collecting mechanism comprising a dust collecting box 12, a fan 13 and a dust collecting pipe 14, the dust collecting box 12 and the fan 13 being fixedly arranged on the fixed frame 1, the dust collecting box 12 and the fan 13 being arranged on one side of the feeding seat 3, the dust collecting box 12 being internally provided with a filter plate, the dust collecting box 12 and the inner bottom wall of the cleaning shell 4 being in communication with the dust collecting pipe 14, the cleaning ring 5 being provided with a plurality of dust collecting openings 15, the input end of the fan 13 being in communication with the dust collecting box 12, and negative pressure being generated in the dust collecting box 12 through the working of the fan 13, so as to facilitate the collection of impurities in the cleaning process through the dust collecting pipe 14 and the dust collecting openings 15, thereby improving the cleaning effect of the impurities on the surface of the steel pipe.

[0029] With reference to Figures 1-4 The feeding mechanism comprises a first driving block 16, a second driving block 17 and a feeding roller 18, two first driving grooves are formed in the side wall of the feeding port 6 away from the dust collecting box 12, two first driving blocks 16 are slidingly arranged in the first driving grooves, two second driving grooves are formed in the side wall of the feeding port 6 close to the dust collecting box 12, two second driving blocks 17 are slidingly arranged in the second driving grooves, and the feeding roller 18 is rotatably arranged between the first driving block 16 and the adjacent second driving block 17. A relative moving mechanism is arranged in the first driving groove for driving the two first driving blocks 16 in the same first driving groove to move relative to each other, and a second rotating mechanism is arranged in the second driving groove for driving the feeding roller 18 to rotate. The relative moving mechanism comprises a bidirectional screw 19 and a second motor 20, the bidirectional screw 19 is rotatably arranged in the first driving groove, and the bidirectional screw 19 penetrates the two first driving blocks 16 in the same first driving groove through thread cooperation. Two first motors 11 are installed on the feeding seat 3, the output end of the first motor 11 is fixedly connected with the adjacent bidirectional screw 19, and the bidirectional screw 19 is driven to rotate by the working of the second motor 20, so as to drive the first driving block 16 to move relative to each other through the thread cooperation between the bidirectional screw 19 and the first driving block 16, thereby driving the feeding roller 18 to clamp the steel pipe through the movement of the first driving block 16, so as to avoid the steel pipe from being skewed in the feeding port 6.

[0030] With reference to Figure 3 and Figure 4The second rotating mechanism comprises a third bevel gear 21, a fourth bevel gear 22, a driving prism 23 and a third motor 24. A second cavity is formed in one of the second driving blocks 17 in the second driving slot. The third bevel gear 21 is rotatably arranged on the side wall of the second cavity. The second connecting rod is fixedly arranged between the third bevel gear 21 and the feeding roller 18. The fourth bevel gear 22 is rotatably arranged on the inner top wall of the second cavity. The fourth bevel gear 22 is engaged with the third bevel gear 21. The driving port is formed in the second driving block 17. The driving prism 23 is rotatably arranged in the second driving slot. The driving prism 23 penetrates through the driving port and the fourth bevel gear 22. The driving prism 23 is slidably connected with the fourth bevel gear 22. The third motor 24 is installed on the feeding seat 3. The output end of the third motor 24 is fixedly connected with the driving prism 23. The driving prism 23 is driven to rotate through the working of the third motor 24. The fourth bevel gear 22 is driven to rotate through the sliding cooperation between the driving prism 23 and the fourth bevel gear 22. The third bevel gear 21 and the feeding roller 18 are driven to rotate through the engagement between the fourth bevel gear 22 and the third bevel gear 21. The steel pipe is driven to move in the feeding port 6 through the friction between the feeding roller 18 and the steel pipe. The steel pipe is conveniently driven to feed into the straightening machine body 2 while being cleaned comprehensively.

[0031] In the embodiment, the operator inserts the steel pipe into the feeding port 6, and then controls the second motor 20 to work, so that the bidirectional screw rod 19 is driven to rotate by the work of the second motor 20, thereby facilitating the relative movement of the first driving block 16 driven by the thread cooperation of the bidirectional screw rod 19 and the first driving block 16, so that the first driving block 16 can drive the feeding roller 18 to clamp the steel pipe by the movement of the first driving block 16, thereby avoiding the steel pipe from being skewed in the feeding port 6, and at the same time, the operator controls the third motor 24 to work, so that the driving prism 23 is driven to rotate by the work of the third motor 24, and the fourth bevel gear 22 is driven to rotate by the sliding cooperation of the driving prism 23 and the fourth bevel gear 22, and then the third bevel gear 21 and the feeding roller 18 are driven to rotate by the meshing of the fourth bevel gear 22 and the third bevel gear 21, so that the steel pipe can be moved in the feeding port 6 and fed into the straightening machine body 2 by the friction force between the feeding roller 18 and the steel pipe, and in the feeding process, the operator controls the first motor 11 to work, so that the second bevel gear 10 is driven to rotate by the work of the first motor 11, and the first bevel gear 9 and the first gear 8 are driven to rotate by the meshing of the second bevel gear 10 and the first bevel gear 9, and then the first gear ring 7 and the cleaning ring 5 are driven to rotate by the meshing of the first gear 8 and the first gear ring 7, so that the impurities attached to the steel pipe can be cleaned by the cleaning bristles on the cleaning ring 5, and at the same time, the operator controls the fan 13 to work, so that the negative pressure is generated in the dust collecting box 12 by the work of the fan 13, thereby facilitating the collection of the impurities in the cleaning process by the dust collecting pipe 14 and the dust collecting port 15, so as to improve the cleaning effect of the impurities on the surface of the steel pipe.

[0032] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An on-line straightening device for cold-drawn precision seamless steel pipes, comprising a fixed frame (1) on which a straightening machine body (2) is fixedly arranged, characterized in that, It also includes the feeding seat (3), the cleaning shell (4) and the cleaning ring (5), the fixed frame (1) is fixedly provided with the feeding seat (3) on one side of the straightening machine body (2), the feeding seat (3) is provided with a feeding port (6), the feeding mechanism is arranged in the feeding port (6), the steel pipe is fed into the straightening machine body (2) through the feeding port (6), the cleaning shell (4) is fixedly arranged in the feeding port (6), the cleaning port is arranged on the cleaning shell (4), the cleaning ring (5) is rotatably arranged in the cleaning port, the cleaning brush is uniformly arranged on the inner wall of the cleaning ring (5), and the first rotating mechanism is arranged on the feeding seat (3) and used for driving the cleaning ring (5) to rotate.

2. A device for on-line straightening of cold-drawn precision seamless steel pipes according to claim 1, characterized in that, The first rotating mechanism comprises a first tooth ring (7), a first gear (8), a first bevel gear (9), a second bevel gear (10) and a first motor (11), the first tooth ring (7) is fixedly arranged on the cleaning ring (5), the inner top wall of the cleaning shell (4) is provided with a cleaning groove, the first gear (8) is rotatably arranged in the cleaning groove, the first gear (8) is engaged with the first tooth ring (7), the first cavity is arranged in the cleaning shell (4), the first bevel gear (9) is rotatably arranged on the side wall of the first cavity close to the first gear (8), the first connecting rod is fixedly arranged between the first bevel gear (9) and the first gear (8), and the second bevel gear (10) is rotatably arranged on the inner top wall of the first cavity. The first motor (11) is fixedly arranged on the feeding seat (3), and the output end of the first motor (11) is fixedly connected with the second bevel gear (10).

3. A device for online straightening of cold-drawn precision seamless steel pipes according to claim 2, characterized in that, It also includes the dust collecting mechanism, which is arranged on the feeding seat (3) and is used for collecting dust generated in the cleaning process, the dust collecting mechanism comprises a dust collecting box (12), a fan (13) and a dust collecting pipe (14), the dust collecting box (12) and the fan (13) are fixedly arranged on the fixed frame (1), the dust collecting box (12) and the fan (13) are arranged on one side of the feeding seat (3), the dust collecting box (12) is provided with a filter plate, the dust collecting pipe (14) is in communication between the dust collecting box (12) and the inner bottom wall of the cleaning shell (4), and a plurality of dust collecting ports (15) are arranged on the cleaning ring (5). The input end of the fan (13) is in communication with the dust collecting box (12).

4. A device for on-line straightening of cold-drawn precision seamless steel pipes according to claim 3, characterized in that, The feeding mechanism comprises a first driving block (16), a second driving block (17) and a feeding roller (18), two first driving grooves are formed in the side wall of the feeding port (6) away from the dust collecting box (12), two first driving blocks (16) are slidably arranged in the first driving grooves, two second driving grooves are formed in the side wall of the feeding port (6) close to the dust collecting box (12), two second driving blocks (17) are slidably arranged in the second driving grooves, the feeding roller (18) is rotatably arranged between the first driving block (16) and the second driving block (17) close to each other, a relative movement mechanism is arranged in the first driving groove for driving the two first driving blocks (16) in the same first driving groove to move relative to each other, and a second rotation mechanism is arranged in the second driving groove for driving the feeding roller (18) to rotate.

5. A device for on-line straightening of cold-drawn precision seamless steel pipes according to claim 4, characterized in that, The relative movement mechanism comprises a bidirectional screw (19) and a second motor (20), the bidirectional screw (19) is rotatably arranged in the first driving groove, and the bidirectional screw (19) penetrates the two first driving blocks (16) in the same first driving groove through thread cooperation, two first motors (11) are installed on the feeding seat (3), and the output end of the first motor (11) is fixedly connected with the bidirectional screw (19) close to each other.

6. A device for online straightening of cold-drawn precision seamless steel pipes according to claim 5, characterized in that, The second rotation mechanism comprises a third bevel gear (21), a fourth bevel gear (22), a driving prism (23) and a third motor (24), a second cavity is formed in one of the second driving blocks (17) in one of the second driving grooves, the third bevel gear (21) is rotatably arranged on the side wall of the second cavity, a second connecting rod is fixedly arranged between the third bevel gear (21) and the feeding roller (18), the fourth bevel gear (22) is rotatably arranged on the inner top wall of the second cavity, the fourth bevel gear (22) is engaged with the third bevel gear (21), a driving port is formed in the second driving block (17), the driving prism (23) is rotatably arranged in the second driving groove, the driving prism (23) penetrates the driving port and the fourth bevel gear (22), the driving prism (23) is slidably connected with the fourth bevel gear (22), and a third motor (24) is installed on the feeding seat (3). The output end of the third motor (24) is fixedly connected with the driving prism (23).

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