CN214023123U

CN214023123U - Clamping device of tension straightening machine

Info

Publication number: CN214023123U
Application number: CN202022665949.7U
Authority: CN
Inventors: 杨权武; 黄林瞻; 杨特然
Original assignee: Wenzhou Jiuyi Heavy Industries Co ltd
Current assignee: Wenzhou Jiuyi Heavy Industries Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-24
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a clamping device of tension straightening machine, including chassis, straightening frame and mount, from left to right be equipped with mount, support frame and adjustable shelf in proper order of chassis, be equipped with in the support frame and rotate the seat, and the one end of rotating the seat is connected with the straightening frame, install tubular product in the straightening frame, and the one end of tubular product is connected with anchor clamps to the other end of anchor clamps is connected with the regulation pole, adjust the pole and install the surface at the fixed plate, and the fixed plate is located the front end of adjustable shelf, and the one end and the pneumatic cylinder of fixed plate are connected, the pneumatic cylinder is fixed in the upper end of adjustable shelf, and the adjustable shelf in-connection has the screw rod. This clamping device of tension straightening machine, a plurality of holders and annular distribution are in tubular product one end to fix tubular product with the mode of inside and outside centre gripping, make at the straightening in-process, the stress point of clamping structure and tubular product is more even, avoids appearing the slippage or the cracked condition takes place, thereby has increased fixture's stability.

Description

Clamping device of tension straightening machine

Technical Field

The utility model relates to a straightening machine technical field specifically is a clamping device of tension straightening machine.

Background

The tension straightening is that a longitudinal tension exceeding the yield limit of a material is applied to a rolled piece to enable the rolled piece to generate plastic extension so as to realize shape defect correction, and is also called as stretching straightening.

However, the clamping point of the clamping device of the traditional tension straightening machine is not uniform enough in stress and poor in clamping stability, so that the phenomenon of product breakage or clamping slippage easily occurs, secondary damage to the pipe is caused, the pipe with different diameters cannot be clamped simultaneously, the straightening machine is limited to a certain extent, and the straightening requirements of various angles cannot be met, so that the whole practicability is reduced, and therefore the clamping device of the tension straightening machine is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device of tension straightening machine to the centre gripping point atress that proposes traditional tension straightening machine clamping device in solving above-mentioned background is not enough even, and clamping stability is poor, appears breaking goods or the phenomenon that the centre gripping skidded easily, leads to the secondary damage to tubular product, can not carry out the centre gripping to the tubular product of different diameters simultaneously, makes the straightening machine have certain limitation, can not satisfy the aligning demand of various angles simultaneously, thereby lead to the problem that holistic practicality reduces.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device of a tension straightening machine comprises a bottom frame, a straightening frame and a fixed frame, wherein the bottom frame is sequentially provided with the fixed frame, a supporting frame and a movable frame from left to right, a rotating seat is arranged in the supporting frame, one end of the rotating seat is connected with the straightening frame, a pipe is arranged in the straightening frame, one end of the pipe is connected with a clamp, the other end of the clamp is connected with a regulating rod, the regulating rod is arranged on the outer surface of a fixed plate, the fixed plate is positioned at the front end of the movable frame, one end of the fixed plate is connected with a hydraulic cylinder, the hydraulic cylinder is fixed at the upper end of the movable frame, a screw rod is connected in the movable frame, the outer side of the screw rod is connected with a transmission belt, one end of the transmission belt is connected with a motor, the motor is arranged on the outer surface of the bottom frame, the upper end of the fixed frame is connected with a fixed pin rod, and the inner surface of the fixed frame is connected with a connecting rod, one end of the connecting rod penetrates through the pipe, the correcting plate is installed at one end of the connecting rod, and a positioning hole is formed in the connecting rod.

Preferably, the rotating seat is respectively connected with the straightening frame and the supporting frame in a rotating manner, and the straightening frame is connected with the pipe in a sliding manner.

Preferably, the clamp is attached to the pipe, the clamp is rotatably connected with the adjusting rod, and the adjusting rod is rotatably connected with the fixing plate.

Preferably, the connecting rod and the fixing frame are in clamping sliding connection, positioning holes are distributed in the connecting rod at equal intervals, the length of each positioning hole is equal to the thickness of the connecting rod, and the positioning holes are in penetrating connection with the fixing pin rods.

Preferably, the screw rod is in threaded connection with the movable frame, and the screw rod is in fit connection with the transmission belt.

Preferably, the correction plate is symmetrically arranged on the outer side of one end of the connecting rod, the correction plate is of an arc-shaped structure, and the correction plate is in sliding connection with the pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the clamping device of the tension straightening machine comprises a clamping device,

1. the clamping seats are arranged and distributed at one end of the pipe in an annular mode, and the pipe is fixed in an internal and external clamping mode, so that stress points of the clamping structure and the pipe are more uniform in the straightening process, the phenomenon of slipping or breaking is avoided, and the stability of the clamping mechanism is improved;

2. the adjusting rod capable of rotating in two directions is arranged at one clamping end, so that the pipe can be expanded and adjusted according to the diameter of the pipe, the pipes with different diameters can be clamped and fixed conveniently, meanwhile, the straightening plate can stretch along the connecting rod and is attached to the inner walls of the pipes with different diameters, the pipe can be straightened in two sides, meanwhile, the adjusting is facilitated, and the maneuverability of the straightening machine is improved;

3. through set up a plurality of locating holes in connecting rod inside, can change the angle of straightening through rotatory connecting rod to be provided with in the straightening frame and rotate the seat, the regulation pole of cooperation holder outside connection, at the lift in-process of adjustable shelf, the inside tubular product of straightening frame can be along with carrying out the angle change, thereby has increased holistic flexibility.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the straightening frame of the present invention;

FIG. 4 is a schematic view of the internal structure of the fixing frame of the present invention;

fig. 5 is a schematic view of the front view structure of the clamp of the present invention.

In the figure: 1. a chassis; 2. a support frame; 3. a rotating seat; 4. a straightening frame; 5. a pipe; 6. a clamp; 7. adjusting a rod; 8. a fixing plate; 9. a hydraulic cylinder; 10. a movable frame; 11. a motor; 12. a fixed mount; 13. fixing the pin rod; 14. a connecting rod; 15. a transmission belt; 16. a screw; 17. positioning holes; 18. and (7) correcting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a clamping device of a tension straightening machine comprises an underframe 1, a straightening frame 4 and a fixed frame 12, wherein the fixed frame 12, a supporting frame 2 and a movable frame 10 are sequentially arranged on the underframe 1 from left to right, a rotating seat 3 is arranged in the supporting frame 2, one end of the rotating seat 3 is connected with the straightening frame 4, a pipe 5 is arranged in the straightening frame 4, one end of the pipe 5 is connected with a clamp 6, the other end of the clamp 6 is connected with an adjusting rod 7, the adjusting rod 7 is arranged on the outer surface of a fixed plate 8, the fixed plate 8 is arranged at the front end of the movable frame 10, one end of the fixed plate 8 is connected with a hydraulic cylinder 9, the hydraulic cylinder 9 is fixed at the upper end of the movable frame 10, a screw 16 is connected in the movable frame 10, the outer side of the screw 16 is connected with a driving belt 15, one end of the driving belt 15 is connected with a, and the internal surface of the fixed mount 12 is connected with a connecting rod 14, one end of the connecting rod 14 penetrates through the pipe 5, one end of the connecting rod 14 is provided with a correction plate 18, and a positioning hole 17 is formed in the connecting rod 14.

The rotating seat 3 is respectively in rotating connection with the straightening frame 4 and the supporting frame 2, the straightening frame 4 is in sliding connection with the pipe 5, the straightening frame 4 can drive the pipe 5 to rotate along the supporting frame 2, and the straightening frame 4 is matched with the rotating seat 3 to perform self-adaptive adjustment of various angles in the pipe 5, so that the pipe 5 can be straightened at various angles conveniently;

the clamp 6 is connected with the pipe 5 in a fitting manner, the clamp 6 is connected with the adjusting rod 7 in a rotating manner, the adjusting rod 7 is connected with the fixing plate 8 in a rotating manner, the clamp 6 is distributed on the outer side of the pipe 5 at equal intervals and clamps the pipe 5, and under the action of the adjusting rod 7, the diameter of the pipe 5 can be adjusted, so that the pipe 5 with different diameters can be clamped conveniently, and meanwhile, the pipe 5 can synchronously rotate along with the pipe 5;

the connecting rod 14 is in clamping sliding connection with the fixing frame 12, positioning holes 17 are distributed in the connecting rod 14 at equal intervals, the length of each positioning hole 17 is equal to the thickness of the connecting rod 14, the positioning holes 17 are in penetrating connection with the fixing pin rods 13, the fixing pin rods 13 penetrate through the fixing frame 12 and the connecting rod 14, the position of the correcting plate 18 can be fixed, the connecting rod 14 is rotated, the fixing pin rods 13 penetrate through the corresponding positioning holes 17, the angle of the correcting plate 18 can be fixed, and therefore the flexibility of the correcting mechanism is improved;

the screw 16 is in threaded connection with the movable frame 10, the screw 16 is in fit connection with the transmission belt 15, the screw 16 is connected with the transmission belt 15, the screw 16 is driven by the motor 11 to rotate in the movable frame 10, and the movable frame 10 can lift under the action of threaded transmission, so that the inclination angle of the pipe 5 is changed, and the flexibility of the straightening mechanism is further improved;

the correcting plate 18 is symmetrically arranged on the outer side of one end of the connecting rod 14, the correcting plate 18 is of an arc-shaped structure, the correcting plate 18 is in sliding connection with the pipe 5, the correcting plate 18 is attached to the inner wall of the pipe 5, the whole shape of the pipe 5 can be straightened and reset, the friction force between the correcting plate 18 and the pipe 5 can be reduced while straightening is facilitated according to the shape structure of the correcting plate 18, the length of the connecting rod 14 is larger than that of the pipe 5, and therefore the whole practicability is improved.

The working principle is as follows: when the clamping device of the tension straightening machine is used, firstly, a pipe 5 is clamped into a straightening frame 4, a clamp 6 is fixed on the inner surface and the outer surface of one end of the pipe 5, one end of the pipe 5 is fixed, then a connecting rod 14 slides towards the inner wall of the pipe 5 along a fixed frame 12, a fixing pin rod 13 penetrates through the fixed frame 12 and a positioning hole 17 to fix the position of a straightening plate 18, the straightening plate 18 and the straightening frame 4 are ensured to be positioned at the same vertical line, then a hydraulic cylinder 9 is started to drive the fixed plate 8 and an adjusting rod 7 to transversely stretch the clamp 6, the clamp 6 drives the pipe 5 to slide towards one end of a movable frame 10 along the inner wall of the straightening frame 4, the pipe 5 can be subjected to tension straightening, when the pipe 5 needs to be obliquely straightened, the telescopic connecting rod 14 is separated from the pipe 5, and a motor 11 on the outer side of a bottom frame 1 is driven to drive a driving belt 15, make screw rod 16 and drive belt 15 synchronous rotation, and rotate at adjustable shelf 10, make adjustable shelf 10 can the oscilaltion, under the connection of anchor clamps 6 is fixed, can lead the lift of adjustable shelf 10, and cooperate regulation pole 7 and rotation seat 3, can make straightening frame 4 rotate along 2 internal surfaces of support frame, thereby increase the flexibility of straightening mechanism, when facing tubular product 5 of different diameters, anchor clamps 6 can come the control range through adjusting pole 7, can be stable fix at tubular product 5 inside and outside two sides, it can stretch out and draw back from top to bottom to rectify board 18 simultaneously, be convenient for laminate tubular product 5 of different diameters, thereby whole practicality has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device of tension straightening machine, includes chassis (1), straightening frame (4) and mount (12), its characterized in that: the chassis (1) is sequentially provided with a fixed frame (12), a supporting frame (2) and a movable frame (10) from left to right, a rotating seat (3) is arranged in the supporting frame (2), one end of the rotating seat (3) is connected with a straightening frame (4), a pipe (5) is installed in the straightening frame (4), one end of the pipe (5) is connected with a clamp (6), the other end of the clamp (6) is connected with an adjusting rod (7), the adjusting rod (7) is installed on the outer surface of a fixed plate (8), the fixed plate (8) is located at the front end of the movable frame (10), one end of the fixed plate (8) is connected with a hydraulic cylinder (9), the hydraulic cylinder (9) is fixed at the upper end of the movable frame (10), a screw rod (16) is connected in the movable frame (10), the outer side of the screw rod (16) is connected with a driving belt (15), and one end of the driving belt (15) is connected with a motor (11), and the motor (11) is arranged on the outer surface of the bottom frame (1), the upper end of the fixed frame (12) is connected with a fixed pin rod (13), the inner surface of the fixed frame (12) is connected with a connecting rod (14), one end of the connecting rod (14) penetrates through the pipe (5), one end of the connecting rod (14) is provided with a correction plate (18), and a positioning hole (17) is formed in the connecting rod (14).

2. The clamping device of a tension straightening machine as claimed in claim 1, wherein: the rotating seat (3) is respectively connected with the straightening frame (4) and the supporting frame (2) in a rotating mode, and the straightening frame (4) is connected with the pipe (5) in a sliding mode.

3. The clamping device of a tension straightening machine as claimed in claim 1, wherein: the clamp (6) is attached to the pipe (5), the clamp (6) is rotatably connected with the adjusting rod (7), and the adjusting rod (7) is rotatably connected with the fixing plate (8).

4. The clamping device of a tension straightening machine as claimed in claim 1, wherein: the connecting rod (14) is connected with the fixing frame (12) in a clamping and sliding mode, positioning holes (17) are distributed in the connecting rod (14) at equal intervals, the length of each positioning hole (17) is equal to the thickness of the connecting rod (14), and the positioning holes (17) are in penetrating connection with the fixing pin rods (13).

5. The clamping device of a tension straightening machine as claimed in claim 1, wherein: the screw rod (16) is in threaded connection with the movable frame (10), and the screw rod (16) is in fit connection with the transmission belt (15).

6. The clamping device of a tension straightening machine as claimed in claim 1, wherein: the correcting plate (18) is symmetrically arranged on the outer side of one end of the connecting rod (14), the correcting plate (18) is of an arc-shaped structure, and the correcting plate (18) is in sliding connection with the pipe (5).