CN111346952A - Seamless steel pipe bending machine - Google Patents

Seamless steel pipe bending machine Download PDF

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Publication number
CN111346952A
CN111346952A CN202010274599.3A CN202010274599A CN111346952A CN 111346952 A CN111346952 A CN 111346952A CN 202010274599 A CN202010274599 A CN 202010274599A CN 111346952 A CN111346952 A CN 111346952A
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CN
China
Prior art keywords
seamless steel
transverse
lead screw
sliding block
steel tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010274599.3A
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Chinese (zh)
Inventor
高庆余
李万明
邓保行
吴继峰
李晓鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinpengyuan Liaocheng Intelligent Technology Co ltd
Original Assignee
Xinpengyuan Liaocheng Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinpengyuan Liaocheng Intelligent Technology Co ltd filed Critical Xinpengyuan Liaocheng Intelligent Technology Co ltd
Priority to CN202010274599.3A priority Critical patent/CN111346952A/en
Publication of CN111346952A publication Critical patent/CN111346952A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/16Auxiliary equipment, e.g. for heating or cooling of bends

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a seamless steel tube bending machine, which belongs to the technical field of pipe bending machines and comprises a base provided with an installation groove, wherein a first lead screw sliding block structure which is transversely arranged and a circular turntable which is positioned above the first lead screw sliding block structure are arranged in the installation groove, a sliding rail which extends along the radius of the circular turntable is arranged on the front surface of the circular turntable, an adjusting sliding block is arranged on the sliding rail, a U-shaped clamping sleeve is fixed on the adjusting sliding block, a hydraulic cylinder which is vertically fixed is arranged on one side of the U-shaped clamping sleeve, the top of the hydraulic cylinder is fixed with another U-shaped clamping sleeve which is parallel to the U-shaped clamping sleeve, a pair of idler wheels are arranged on the inner sides of the two U-shaped clamping sleeves, a driving shaft of a gear is fixedly sleeved on the rear end surface of the. The invention can prevent the inner arc side of the seamless steel tube from collapsing or wrinkling, can ensure the radian consistency of the bent part of the seamless steel tube, can also adjust the bending radius and control the bending arc length, and is more convenient to apply.

Description

Seamless steel pipe bending machine
Technical Field
The invention relates to the technical field of pipe bending machines, in particular to a seamless steel pipe bending machine.
Background
The seamless steel pipe has a hollow section, is used as a pipeline for conveying a large amount of fluid, such as pipelines for conveying petroleum, natural gas, coal gas, water and certain solid materials, and the like, and can be processed into a bent pipe with a certain curvature in the practical application process, in the prior art, the pipe bending work of the pipeline is generally manually operated by workers, repeated operation is needed for processing a bent pipe, a large amount of manpower is wasted, the workload of pipe bending personnel is increased, the pipe bending machine has the advantages that the pipe bending machine is manually operated by workers, certain potential safety hazards exist, the bending precision of bent pipes is relatively poor, the labor productivity is low, collapse and inner wrinkle are easily generated when some steel pipes with thin wall thicknesses are bent, the appearance of the steel pipes is damaged, and the steel pipes cannot be installed and used.
At present, in the prior art, a seamless steel tube bending machine is disclosed in patent with publication number CN 105583270B, which comprises a frame and two side wings disposed on the frame, a rotation block is rotatably connected between the side wings, a semicircular pipe bending die is detachably connected on the rotation block, a pipe bending groove matched with the seamless steel tube is disposed on the circumferential surface of the pipe bending die, a driving mechanism is disposed on the frame, a support plate is disposed below the rotation block, a support groove matched with the seamless steel tube is disposed on the support plate, a clamping mechanism for clamping the seamless steel tube on the pipe bending die is disposed on the rotation block, a sliding frame is disposed on the side of the side wings, a sliding block is slidably connected on the sliding frame, a plug is disposed at one end of the seamless steel tube, and a high-pressure air source is communicated with the other end of the seamless steel tube bending machine, the structure of the seamless steel tube bending machine is simple and convenient, the pipe bending device can prevent the collapse and the inner wrinkle of steel pipes with thinner wall thickness during pipe bending, and the pipe bending precision is high. However, it has the following problems: the bending die can be adapted to the application requirements of different bending requirements (different bending radiuses and bending arc lengths) only by replacing the bending die, and the application is inconvenient.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide a seamless steel tube bender, which can prevent the inner arc side of a seamless steel tube from collapsing or wrinkling, ensure the radian consistency of the bent part of the seamless steel tube, adjust the bending radius and control the bending arc length, and is convenient to apply.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a seamless steel tube bender comprises a frame, the frame comprises a base provided with a concave mounting groove and a vertical plate connected to the rear side of the base, a first lead screw slider structure transversely arranged is arranged in the mounting groove, the first lead screw slider structure comprises a transverse lead screw driven by a forward and reverse rotating motor and a transverse slider sleeved on the transverse lead screw in a thread fit manner, a vertically arranged round turntable is arranged above the side where the transverse lead screw is connected with the forward and reverse rotating motor, a slide rail extending along the radius of the front side of the round turntable is arranged on the radius of the front side of the round turntable, an adjusting slider is arranged on the slide rail, a U-shaped jacket for clamping a seamless sleeve is fixed on the adjusting slider, a hydraulic cylinder vertically fixed at the bottom of the mounting groove is arranged on one side of the U-shaped jacket, and the top of the hydraulic cylinder is fixed with another U-shaped jacket parallel to, a pair of rollers which are aligned up and down and used for clamping a seamless steel tube are arranged on the inner sides of the two U-shaped clamping sleeves, a driving shaft which is vertically connected to the vertical plate through a bearing is fixed at the center of the rear end face of the circular turntable, and a gear is fixedly sleeved on the driving shaft;
the upper end of the transverse sliding block is connected with a second lead screw sliding block structure which is longitudinally arranged, the second lead screw sliding block structure comprises a longitudinal lead screw which is fixed on the transverse sliding block through a bearing and a longitudinal sliding block which is sleeved on the longitudinal lead screw in a thread matching way, a clamping sleeve for a seamless steel pipe to pass through is fixed on the longitudinal sliding block, a compression screw for compressing the seamless steel pipe is arranged at the upper end of the clamping sleeve in a penetrating way, an inverted L-shaped frame plate is vertically fixed at the rear side of the transverse sliding block, the upper end of the longitudinal lead screw penetrates through the transverse part of the L-shaped frame plate and is connected with a rotating handle, a horizontally arranged rack plate is fixedly connected to one side of the L-shaped frame plate facing a forward and reverse motor, strip teeth meshed with gears are arranged on the upper end surface of the rack plate, the transverse sliding block is positioned at one end side of the transverse lead screw connecting, one end of the rack plate, which is back to the L-shaped frame plate, is meshed with the gear.
Further, first lead screw slider structure still includes the guide bar that is on a parallel with horizontal lead screw, the one end of horizontal lead screw is connected with positive reverse motor, and the other end of horizontal lead screw is connected to the lateral wall of mounting groove through the bearing on, the both ends of guide bar are fixed respectively to the lateral wall of the corresponding side of mounting groove on, and sliding sleeve is equipped with the guide block with horizontal slider fixed connection on the guide bar. The guide block can only move transversely along the guide rod, and the guide block is fixedly connected with the transverse sliding block, so that the transverse sliding block can be prevented from rotating when the transverse lead screw rotates, the transverse sliding block is enabled to move horizontally along the length direction of the transverse lead screw, and the design requirement is met.
Furthermore, a locking screw for abutting against the adjusting slide block is arranged on one side wall of the slide rail in a penetrating mode, locking holes matched with the locking screw in a threaded mode are formed in the side wall of the slide rail at equal intervals along the height direction of the side wall of the slide rail, and the interval between every two adjacent locking holes is smaller than the length of the adjusting slide block. The adjusting slide block can be locked on the slide rail by penetrating the locking screws through different locking holes, and the adjusting slide block can be locked by the locking screws to any position along the slide rail because the distance between every two adjacent locking holes is smaller than the length of the adjusting slide block, so that the adjusting slide block is convenient to use.
Further, both ends side of length direction all is equipped with the vertical measuring benchmark pole of fixing in the mounting groove bottom in the mounting groove, and measures the positive superscript of benchmark pole and has the height scale. The height of the corresponding end of the seamless steel tube can be conveniently known through the measuring marker post with the height scales, so that the horizontal state of the seamless steel tube can be kept when the seamless steel tube is installed, and a good foundation is laid for the subsequent bending treatment of the steel tube.
3. Advantageous effects
(1) The invention is provided with a clamping sleeve and a U-shaped clamping sleeve which respectively clamp two end sides of a seamless steel pipe, and is provided with a first lead screw slider structure to drive the seamless steel pipe to move transversely, and simultaneously, a circular turntable can be driven to rotate through the matching transmission action of an L-shaped frame plate, a rack plate, a gear and a driving shaft.
(2) The rollers are arranged on the inner side of the U-shaped clamping sleeve, so that the U-shaped clamping sleeve can clamp (limit the height of) the corresponding end of the seamless steel pipe, and simultaneously allows the seamless steel pipe to move in the direction perpendicular to the sliding rail.
(3) The first lead screw sliding block structure is arranged to drive the seamless steel tube to transversely move, and in application, the translation distance of the transverse sliding block can be controlled by controlling the unidirectional rotation time of the forward and reverse rotating motor according to the bending arc length of a target product, so that the translation distance of the seamless steel tube and the rack plate can be controlled, the rotation angle of the circular turntable can be further controlled, and the bending arc length of the seamless steel tube can be finally controlled.
(4) The height adjustment of the clamping sleeve can be realized through the second lead screw sliding block structure, the height adjustment of the U-shaped clamping sleeve can be realized through the arrangement of the matching action of the sliding rail, the adjusting sliding block and the hydraulic cylinder, so that the bending radius of the bent end side of the seamless steel pipe which is bent upwards by taking the position of the U-shaped clamping sleeve at the upper end of the hydraulic cylinder as a fulcrum can be changed, and when the device is applied, the position of the adjusting sliding block relative to the sliding rail and the position of the longitudinal sliding block relative to the longitudinal lead screw can be adjusted according to the bending radius of a target product, namely the adjustment of.
In conclusion, the invention can prevent the inner arc side of the seamless steel tube from collapsing or wrinkling, can ensure the radian consistency of the bent part of the seamless steel tube, can also adjust the bending radius and control the bending arc length, and is more convenient to apply.
Drawings
FIG. 1 is a front view of the present invention in a schematic configuration;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
fig. 3 is an enlarged schematic view of the structure of the region a in fig. 2.
Reference numerals: 1. mounting grooves; 2. a base; 3. measuring a benchmark; 4. a bearing; 5. a transverse slide block; 6. a clamping sleeve; 7. a longitudinal slide block; 8. a compression screw; 9. a longitudinal lead screw; 10. an L-shaped frame plate; 11. rotating the handle; 12. a rack plate; 13. a gear; 14. a drive shaft; 15. a circular turntable; 16. a slide rail; 17. adjusting the sliding block; 18. a roller; 19. seamless steel pipes; 20. a U-shaped jacket; 21. a positive and negative rotation motor; 22. a transverse lead screw; 23. a vertical plate; 24. a hydraulic cylinder; 25. a locking hole; 26. a guide bar; 27. a guide block; 28. and locking the screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 and 2, a seamless steel tube bender comprises a frame, the frame comprises a base 2 provided with a concave mounting groove 1 and a vertical plate 23 connected to the rear side of the base 2, a first screw slider structure transversely arranged is arranged in the mounting groove 1, the first screw slider structure comprises a transverse screw 22 driven by a forward and reverse motor 21 and a transverse slider 5 screwed on the transverse screw 22, a circular turntable 15 vertically arranged is arranged above the side where the transverse screw 22 is connected with the forward and reverse motor 21, a slide rail 16 extending along the radius of the front side of the circular turntable 15 is arranged on the radius of the front side of the circular turntable 15, an adjusting slider 17 is arranged on the slide rail 16, a U-shaped clamping sleeve 20 for clamping a seamless sleeve 19 is fixed on the adjusting slider 17, a hydraulic cylinder 24 vertically fixed at the bottom of the mounting groove 1 is arranged on one side of the U-shaped clamping sleeve 20, the top of the hydraulic cylinder 24 is fixed with another U-shaped clamping sleeve 20 parallel to the U-shaped clamping sleeve 20, the inner sides of the two U-shaped clamping sleeves 20 are provided with a pair of rollers 18 which are aligned up and down and used for clamping a seamless steel pipe 19, the center of the rear end face of the circular turntable 15 is fixed with a driving shaft 14 which is vertically connected to a vertical plate 23 through a bearing 4, and a gear 13 is fixedly sleeved on the driving shaft 14;
the upper end of the transverse sliding block 5 is connected with a second lead screw sliding block structure which is longitudinally arranged, the second lead screw sliding block structure comprises a longitudinal lead screw 9 which is fixed on the transverse sliding block 5 through a bearing 4 and a longitudinal sliding block 7 which is sleeved on the longitudinal lead screw 9 in a thread matching way, a clamping sleeve 6 for a seamless steel pipe 19 to pass through is fixed on the longitudinal sliding block 7, a compression screw 8 for compressing the seamless steel pipe 19 is arranged at the upper end of the clamping sleeve 6 in a penetrating way, an inverted L-shaped frame plate 10 is vertically fixed at the rear side of the transverse sliding block 5, the upper end of the longitudinal lead screw 9 penetrates through the transverse part of the L-shaped frame plate 10 and is connected with a rotating handle 11, one side of the L-shaped frame plate 10, which faces a forward and reverse motor 21, is fixedly connected with a horizontally arranged rack plate 12, the upper end face of the rack plate 12 is provided with strip teeth meshed with a gear 13, and the transverse sliding block, the slide rail 16 is vertically positioned at the lower part of the circular turntable 15, and one end of the rack plate 12, which is back to the L-shaped frame plate 10, is meshed with the gear 13.
In this embodiment, as shown in fig. 2, the first lead screw sliding block structure further includes a guide rod 26 parallel to the transverse lead screw 22, one end of the transverse lead screw 22 is connected with a forward and reverse rotation motor 21, the other end of the transverse lead screw 22 is connected to the side wall of the mounting groove 1 through a bearing 4, two ends of the guide rod 26 are respectively fixed to the side wall of the corresponding side of the mounting groove 1, and a guide block 27 fixedly connected with the transverse sliding block 5 is slidably sleeved on the guide rod 26. The guide block 27 can only move transversely along the guide rod 26, and because the guide block 27 is fixedly connected with the transverse sliding block 5, the transverse sliding block 5 can be prevented from rotating when the transverse lead screw 22 rotates, so that the transverse sliding block 5 is enabled to move horizontally along the length direction of the transverse lead screw 22, and the design requirement is ensured to be met.
In this embodiment, as shown in fig. 2 and fig. 3, a locking screw 28 for tightly abutting against the adjusting slider 17 is disposed through one side wall of the slide rail 16, and locking holes 25 adapted to the locking screw 28 are disposed on the side wall of the slide rail 16 at equal intervals along the height direction thereof, and the interval between every two adjacent locking holes 25 is smaller than the length of the adjusting slider 17. The adjusting slider 17 can be locked on the sliding rail 16 by passing the locking screws 28 through different locking holes 25, and because the distance between every two adjacent locking holes 25 is smaller than the length of the adjusting slider 17, the adjusting slider 17 can be locked by the locking screws 28 when sliding to any position along the sliding rail 16, which is convenient for application.
In this embodiment, as shown in fig. 1 and 2, the measuring mark post 3 vertically fixed at the bottom of the mounting groove 1 is arranged at both ends of the mounting groove 1 in the length direction, and the height scale is marked on the front surface of the measuring mark post 3. The height of the corresponding end of the seamless steel tube 19 can be conveniently known through the measuring mark post 3 with the height scales, so that the horizontal state of the seamless steel tube 19 can be kept when the seamless steel tube 19 is installed, and a good foundation is laid for the subsequent bending treatment of the steel tube.
The seamless steel pipe bender has the following specific action principle:
firstly, one end of a seamless steel tube 19 penetrates through the clamping sleeve 6, the other end of the seamless steel tube 19 is clamped inside the two U-shaped clamping sleeves 20, and then the position of the adjusting slide block 17 relative to the slide rail 16 and the position of the longitudinal slide block 7 relative to the longitudinal screw 9 are adjusted according to the bending radius of a target product, and the method specifically comprises the following steps: the hydraulic cylinder 24 is started, the rotating handle 11 is rotated, the hydraulic cylinder 24 drives the U-shaped clamping sleeve 20 fixed at the top of the hydraulic cylinder to move up and down, the seamless steel tube 19 pushes the other U-shaped clamping sleeve 20 to move up and down, the adjusting slide block 17 is driven to move on the slide rail 16, the rotating handle 11 drives the longitudinal lead screw 9 to rotate, and the longitudinal slide block 7 cannot rotate because two ends of the seamless steel tube 19 are limited, so that the longitudinal slide block 7 moves up and down along the longitudinal lead screw 9, the clamping sleeve 6 and the U-shaped clamping sleeve 20 are kept to be aligned as far as possible, and the longitudinal slide block 7 can be further finely adjusted by taking the measuring standard rod 3 as a standard, so that the clamping sleeve 6 and the U-shaped clamping sleeve 20 are aligned, and the;
after the adjustment is finished, the compression screw 8 and the locking screw 28 are tightened, then the forward and reverse rotation motor 21 is started to drive the transverse lead screw 22 to rotate, the transverse slide block 5 moves along the length direction of the transverse lead screw 22 due to the guiding action of the guide rod 26 and the guide block 27, the transverse slide block 5 drives the second lead screw slide block structure and the L-shaped frame plate 10 to move towards the side of the circular turntable 15, the seamless steel tube 19 and the rack plate 12 are driven to move transversely, the gear 13 is driven to rotate, the driving shaft 14 is driven to rotate, the circular turntable 15 is driven to rotate successfully, the slide rail 16 rotates along with the second lead screw slide block structure, the corresponding end side of the seamless steel tube 19 is driven to rotate upwards through the adjusting slide block 17 and the U-shaped clamping sleeve 20 on the adjusting slide block 17, the bent end side of the seamless steel tube 19 bends upwards with the U-shaped clamping sleeve 20 at the upper end of the hydraulic cylinder 24 as a fulcrum, and the arrangement of the roller 18 enables the When the seamless steel tube 19 is bent, the seamless steel tube 19 moves towards the bent end side of the seamless steel tube 19, so that the seamless steel tube 19 is bent, and in the process, a part to be bent on the seamless steel tube 19 continuously passes through the rollers 18 and is rolled by the rollers 18 on the two sides, so that the inner arc side of the seamless steel tube 19 can be prevented from collapsing or wrinkling, the smoothness of bending is facilitated, and the radian consistency of the bent part of the seamless steel tube 19 can be ensured;
the translation distance of the transverse sliding block 5 can be controlled by controlling the unidirectional rotation time of the forward and reverse rotation motor 21 according to the bending arc length of a target product, so that the translation distance of the seamless steel pipe 19 and the rack plate 12 can be controlled, the rotation angle of the circular turntable 15 can be controlled, the bending arc length of the seamless steel pipe 19 can be controlled finally, after the forward and reverse rotation motor 21 stops driving, the bending processing of the seamless steel pipe 19 is finished, the forward and reverse rotation motor 21 is started to rotate reversely after the seamless steel pipe 19 is detached from the pipe bender, and the transverse sliding block 5, the rack plate 12 and the circular turntable 15 can be driven to reset so as to be used next time.
The seamless steel pipe can prevent the inner arc side of the seamless steel pipe from collapsing or wrinkling, can ensure the radian consistency of the bent part of the seamless steel pipe, can adjust the bending radius and control the bending arc length, and is convenient to apply.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (4)

1. A seamless steel tube bender comprises a frame and is characterized in that the frame comprises a base (2) provided with a concave mounting groove (1) and a vertical plate (23) connected to the rear side of the base (2), a first lead screw slider structure transversely arranged is arranged in the mounting groove (1), the first lead screw slider structure comprises a transverse lead screw (22) driven by a forward and reverse motor (21) and a transverse slider (5) sleeved on the transverse lead screw (22) in a threaded fit manner, a vertically arranged round turntable (15) is arranged above the side where the transverse lead screw (22) is connected with the forward and reverse motor (21), a slide rail (16) extending along the radius of the front side of the round turntable (15) is arranged on one radius of the front side of the round turntable, an adjusting slider (17) is arranged on the slide rail (16), and a U-shaped jacket (20) used for clamping a seamless sleeve (19) is fixed on the adjusting slider (17), one side of each U-shaped jacket (20) is provided with a hydraulic cylinder (24) vertically fixed at the bottom of the mounting groove (1), the top of each hydraulic cylinder (24) is fixed with the other U-shaped jacket (20) parallel to the U-shaped jacket (20), the inner sides of the two U-shaped jackets (20) are respectively provided with a pair of rollers (18) which are aligned up and down and used for clamping a seamless steel pipe (19), the center of the rear end face of the circular turntable (15) is fixed with a driving shaft (14) vertically connected to the vertical plate (23) through a bearing (4), and a gear (13) is fixedly sleeved on the driving shaft (14);
the upper end of the transverse sliding block (5) is connected with a second lead screw sliding block structure which is longitudinally arranged, the second lead screw sliding block structure comprises a longitudinal lead screw (9) which is fixed on the transverse sliding block (5) through a bearing (4) and a longitudinal sliding block (7) which is sleeved on the longitudinal lead screw (9) in a thread matching way, a clamping sleeve (6) for a seamless steel pipe (19) to pass through is fixed on the longitudinal sliding block (7), a compression screw (8) for compressing the seamless steel pipe (19) penetrates through the upper end of the clamping sleeve (6), an inverted L-shaped frame plate (10) is vertically fixed on the rear side of the transverse sliding block (5), the upper end of the longitudinal lead screw (9) penetrates through the transverse part of the L-shaped frame plate (10) and is connected with a rotating handle (11), and a rack plate (12) which is horizontally arranged is fixedly connected on one side of the L-shaped frame plate (10) facing, the rack is characterized in that the upper end face of the rack plate (12) is provided with rack teeth meshed with the gear (13), the transverse sliding block (5) is located at one end side of the transverse lead screw (22) connected with the bearing (4) in an initial state, the sliding rail (16) is vertically located at the lower part of the circular turntable (15), and one end of the rack plate (12) back to the L-shaped frame plate (10) is meshed with the gear (13).
2. The seamless steel tube bending machine according to claim 1, wherein the first screw slider structure further comprises a guide rod (26) parallel to the transverse screw (22), one end of the transverse screw (22) is connected with a forward and reverse rotation motor (21), the other end of the transverse screw (22) is connected to the side wall of the installation groove (1) through a bearing (4), two ends of the guide rod (26) are respectively fixed to the side wall of the corresponding side of the installation groove (1), and a guide block (27) fixedly connected with the transverse slider (5) is slidably sleeved on the guide rod (26).
3. The seamless steel tube bender according to claim 2, characterized in that a locking screw (28) for tightly abutting against the adjusting slider (17) is arranged in a through manner on one side wall of the slide rail (16), and locking holes (25) matched with the locking screw (28) in thread are arranged on the side wall of the slide rail (16) at equal intervals along the height direction, and the interval between every two adjacent locking holes (25) is smaller than the length of the adjusting slider (17).
4. The seamless steel tube bender according to any one of claims 1 to 3, characterized in that both ends of the mounting groove (1) in the length direction are provided with measuring levers (3) vertically fixed at the bottom of the mounting groove (1), and the front surface of each measuring lever (3) is marked with height scales.
CN202010274599.3A 2020-04-09 2020-04-09 Seamless steel pipe bending machine Pending CN111346952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010274599.3A CN111346952A (en) 2020-04-09 2020-04-09 Seamless steel pipe bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010274599.3A CN111346952A (en) 2020-04-09 2020-04-09 Seamless steel pipe bending machine

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Publication Number Publication Date
CN111346952A true CN111346952A (en) 2020-06-30

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2434703C1 (en) * 2010-08-30 2011-11-27 Федеральное Государственное Унитарное Предприятие "Научно-Производственное Объединение "Техномаш" Tube bending device
CN105583270A (en) * 2016-03-14 2016-05-18 江苏武进不锈股份有限公司 Seamless steel tube bending machine
CN212019027U (en) * 2020-04-09 2020-11-27 鑫鹏源(聊城)智能科技有限公司 Seamless steel pipe bending machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2434703C1 (en) * 2010-08-30 2011-11-27 Федеральное Государственное Унитарное Предприятие "Научно-Производственное Объединение "Техномаш" Tube bending device
CN105583270A (en) * 2016-03-14 2016-05-18 江苏武进不锈股份有限公司 Seamless steel tube bending machine
CN212019027U (en) * 2020-04-09 2020-11-27 鑫鹏源(聊城)智能科技有限公司 Seamless steel pipe bending machine

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