CN218425053U

CN218425053U - Thin-walled tube spinning stretching device

Info

Publication number: CN218425053U
Application number: CN202222521794.9U
Authority: CN
Inventors: 权明勇; 李薇
Original assignee: Shanghai Dingke Machinery Co ltd
Current assignee: Shanghai Dingke Machinery Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-02-03
Anticipated expiration: 2032-09-23

Abstract

The application discloses thin-walled tube spinning stretching device relates to thin-walled tube processing field, and it includes the frame, it is connected with the dwang that is vertical setting to rotate in the frame, be provided with in the frame and be used for driving dwang pivoted drive assembly, it is provided with the mount pad to go up and down in the frame, the week side rotation that the mount pad is located the dwang is provided with a plurality of calendering wheels, be provided with on the mount pad and be used for driving the calendering wheel along being close to and keeping away from the driving piece that the dwang direction removed, the top that the frame is located the dwang goes up and down to be provided with the mounting panel, it is connected with the locating piece to rotate along vertical direction on the mounting panel, the locating piece is pegged graft with the dwang and is cooperated, just the turn-ups butt cooperation of locating piece and thin-walled tube, be provided with the lift piece that is used for driving the mounting panel to go up and down in the frame. The application improves the drawing uniformity of the thin-walled tube.

Description

Thin-walled tube spinning stretching device

Technical Field

The application relates to the field of thin-walled tube machining, in particular to a thin-walled tube spinning stretching device.

Background

At present, the thin-wall pipe is formed by stainless steel coiled materials through the working procedures of slicing, stretching, cutting, cleaning and the like.

In practice, in the forming process, the thin-walled tube structure after the third stretching and the second stretching is as shown in fig. 1, and includes a tube body 50, one end of the tube body 50 is open, and a flange 60 is formed around the open end of the tube body 50, wherein the flange 60 has a larger thickness and a certain structural strength.

In the related art, when the thin-walled tube is subjected to the third stretching operation, the thin-walled tube is sleeved on a rotating rod which is vertically arranged, three rolling wheels which are rotatably connected are distributed at intervals on the peripheral side of the rotating rod, the three rolling wheels are abutted to the tube wall of the thin-walled tube, then the rotating rod is driven to rotate, meanwhile, the three rolling wheels can perform descending motion along the vertical direction, and the thin-walled tube is gradually stretched and lengthened under the action of the three rolling wheels.

In view of the above related technologies, the inventor believes that the wall of the thin-walled tube after the second stretching has a certain hardness, and in the stretching process, the rotation of the thin-walled tube drives the rolling wheel to rotate, and the rolling wheel has a circular run-out phenomenon in the rotation process, so that the thin-walled tube is shaken on the rotating rod, and the phenomenon of uneven stretching of the thin-walled tube occurs, which is an improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the drawing uniformity of the thin-walled tube, the application provides a thin-walled tube spinning drawing device.

The thin-walled tube spinning stretching device provided by the application adopts the following technical scheme:

the utility model provides a thin wall pipe spinning stretching device, includes the frame, it is connected with the dwang that is vertical setting to rotate in the frame, be provided with in the frame and be used for driving dwang pivoted drive assembly, it is provided with the mount pad to go up and down in the frame, the week side that the mount pad is located the dwang rotates and is provided with a plurality of calendering wheels, be provided with on the mount pad and be used for driving the calendering wheel along being close to and keeping away from the driving piece that the dwang direction removed, the top that the frame is located the dwang goes up and down and is provided with the mounting panel, it is connected with the locating piece to rotate along vertical direction on the mounting panel, locating piece and dwang grafting cooperation, just the turn-ups butt cooperation of locating piece and thin wall pipe, be provided with the lift piece that is used for driving the mounting panel to go up and down in the frame.

By adopting the technical scheme, the thin-wall pipe is sleeved on the rotating rod, the mounting plate is driven by the lifting piece, the positioning block is abutted against the flanging of the thin-wall pipe, then the driving piece is used for driving the rolling wheel to be abutted against the upper part of the thin-wall pipe for matching, at the moment, the driving component is used for driving the rotating rod to rotate so as to drive the thin-wall pipe to rotate, then the positioning block and the rolling wheel vertically move downwards, the positioning block can give a larger downward pulling force to the thin-wall pipe, and meanwhile, the rolling wheel can give a certain pulling force to the outer wall of the thin-wall pipe when moving downwards, so that the thin-wall pipe can be stretched; in the process, the positioning block applies larger pressure to the flanging of the thin-walled tube, so that the shaking and deflection of the thin-walled tube in the rotating process are reduced, and the surface uniformity of the thin-walled tube in the stretching process is improved.

Preferably, the outer fringe of rolling wheel is formed with the butt edge, rolling wheel is along the upper and lower both sides of butt edge and is the undergauge setting.

By adopting the technical scheme, the abutting edges of the rolling wheels abut against the thin-walled pipe, when the rolling wheels descend, the abutting edges can be used for realizing the stretching operation of the thin-walled pipe, and the rolling wheels are arranged in a reducing mode along the upper side and the lower side of the abutting edges to play a role in avoiding.

Preferably, the ascending and descending of frame is provided with the slide plate, the downside of slide plate has a plurality of connecting rods along vertical direction evenly distributed, the quantity of connecting rod is the same with the quantity of calendering wheel, and is adjacent be formed with the mouth of dodging that is used for dodging the calendering wheel between the connecting rod, mounting panel fixed connection is at the lower extreme of all connecting rods, the lift piece sets up to first cylinder, first cylinder sets firmly in the frame, just the piston rod of first cylinder is vertical setting downwards, the piston rod tip and the slide plate fixed connection of first cylinder.

Through adopting above-mentioned technical scheme, the first cylinder of operation, the drive shifting board goes up and down, under the effect of connecting rod, drives the mounting panel and goes up and down, and then realizes the elevating movement of locating piece.

Preferably, the two opposite sides of the rack are provided with first slide rails along the vertical direction, and the two sides of the sliding plate are correspondingly provided with sliding blocks sliding on the first slide rails.

Through adopting above-mentioned technical scheme, the sliding block slides and connects on first slide rail, helps improving the stability of connecting rod, locating piece at the in-process that slides.

Preferably, all be provided with the guide block that slides with first slide rail according to the both sides of mount pad, the quantity that corresponds the guide block in the frame is provided with two second cylinders, the piston rod of second cylinder is vertical setting down, the piston tip of second cylinder and the guide block fixed connection that corresponds.

Through adopting above-mentioned technical scheme, the second cylinder of operation drives the guide block and drives the mount pad and be linear motion on the slide rail, realizes the elevating movement of mount pad, utilizes guide block and first slide rail cooperation of sliding, stability when helping improving the mount pad and going up and down.

Preferably, the connecting rod is a hollow arrangement, a water outlet hole is formed in one side, facing the rotating rod, of the connecting rod, the upper end of the connecting rod is communicated with a cooling water tank, and when the positioning block is abutted to the flanging of the thin-wall pipe and the rolling wheel is abutted to the wall of the thin-wall pipe, the water outlet hole is higher than the rolling wheel.

By adopting the technical scheme, when the thin-walled tube is gradually stretched, the stretched position has lower thickness and lower hardness, and the upper part and the lower part can be broken when the thin-walled tube is continuously stretched downwards; at this time, the cooling water in the cooling water tank flows out from the connecting rod and flows towards the stretched part, and after cooling, the hardness of the stretched part of the thin-walled tube is improved, thereby being beneficial to reducing the rejection rate of the thin-walled tube during stretching forming.

Preferably, the driving part is arranged to be a third cylinder, the telescopic direction of a piston rod of the third cylinder is perpendicular to the axis direction of the rotating rod, an installation block is fixedly arranged at the end part of the piston rod of the third cylinder, and the calendaring wheel is rotatably connected to the installation block.

By adopting the technical scheme, when the positioning block is abutted to the flanging of the thin-walled tube, the third cylinder is operated, the mounting block is driven to drive the rolling wheel to move towards the rotating rod, and then the rolling wheel is abutted to the thin-walled tube on the rotating rod.

Preferably, a second sliding rail is paved on the mounting seat, and the mounting block is connected to the second sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, utilize the installation piece to be connected with the slip of second slide rail, help improving the stability of calendering wheel when rotating and removing.

Preferably, be provided with the outlet pipe on the mount pad, the apopore of outlet pipe is towards the butt department of butt edge and thin walled pipe, the water inlet intercommunication of outlet pipe has the heating water tank.

By adopting the technical scheme, when the drawing operation is carried out, the heating water tank and the water outlet pipe are utilized to spray the heat medium to the butt joint edge and the butt joint part of the thin-walled pipe, so that the hardness of the thin-walled pipe is favorably reduced, the thin-walled pipe is conveniently drawn downwards by the positioning block on the one hand, the thin-walled pipe is conveniently drawn downwards by the rolling wheel on the other hand, the drawing effect is favorably improved, and the uneven surface of the thin-walled pipe caused by the overlarge hardness during drawing is avoided.

Preferably, drive assembly includes driving motor and pulley assembly, driving motor's driving shaft is vertical setting, the action wheel of pulley assembly and driving motor's driving shaft is coaxial fixed, follow driving wheel and the coaxial fixed of dwang in the pulley assembly.

Through adopting above-mentioned technical scheme, operation driving motor utilizes the pulley subassembly to realize the rotation of dwang with power transmission to dwang.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the positioning block is abutted with the flanging of the thin-walled tube, then the rolling wheel is abutted with the thin-walled tube, and a larger pulling force is provided by the positioning block, so that in the stretching process, the phenomenon of shaking of the thin-walled tube due to circular jumping of the rolling wheel is reduced, and the stretching uniformity of the surface of the thin-walled tube is improved;

2. by means of the cooling water tank and the heating water tank, when the thin-walled tube is stretched, the stretching position of the thin-walled tube is heated, the hardness of the thin-walled tube is reduced, the thin-walled tube is conveniently stretched downwards by the positioning block and the rolling wheel, and the stretching effect is improved; the drawn part of the thin-walled tube is cooled, so that the hardness of the thin-walled tube is improved, and the thin-walled tube is prevented from being broken in the drawing process.

Drawings

FIG. 1 is a general schematic view of a prior art thin-walled tube structure;

FIG. 2 is a schematic overall structure diagram of a first embodiment of the present application;

fig. 3 is a schematic partial structural view of a positioning block according to a first embodiment of the present disclosure;

fig. 4 is a partial schematic structural diagram of a first embodiment of the present application, which mainly shows the structures of a mounting seat and a driving member;

FIG. 5 is a schematic partial structural view of a first embodiment of the present application, which mainly shows a structure of a calender roll;

FIG. 6 is a schematic partial structural diagram of a second embodiment of the present application;

fig. 7 is a partially enlarged view of a in fig. 6, which mainly shows the structure of the water outlet pipe.

Reference numerals: 1. a frame; 11. a first slide rail; 2. rotating the rod; 3. a drive assembly; 31. a drive motor; 32. a pulley assembly; 4. a slide plate; 41. mounting a plate; 42. positioning blocks; 421. an abutting portion; 43. a slider; 5. a mounting base; 51. a guide block; 52. a second slide rail; 6. a power member; 61. a linkage rod; 7. a calendering wheel; 71. abutting the seamed edges; 8. a drive member; 9. a connecting rod; 91. avoiding the mouth; 92. a water outlet hole; 10. mounting blocks; 101. a water outlet pipe; 20. a cooling water tank; 30. heating the water tank; 40. a lifting member; 50. a pipe body; 60. and (5) flanging.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a thin-walled tube spinning stretching device.

Example 1

Referring to fig. 2 and 3, the thin-walled tube spinning stretching device comprises a frame 1, wherein a rotating rod 2 is rotatably connected to the lower side of the frame 1 along the vertical direction, in practice, the rotating rod 2 is rotatably connected to the frame 1 through a bearing, and a driving assembly 3 for driving the rotating rod 2 to rotate is further arranged on the frame 1; first slide rail 11 is all installed along vertical direction in the relative both sides of frame 1, frame 1 is located and slides on first slide rail 11 and is connected with slide plate 4, be provided with the lifter 40 that is used for driving slide plate 4 to slide in frame 1, be provided with the mounting panel 41 that the middle part runs through on slide plate 4, the middle part of mounting panel 41 is rotated through the bearing and is connected with locating piece 42, the middle part of locating piece 42 runs through the setting, and locating piece 42 and dwang 2 grafting cooperation of sliding, integrated into one piece has with thin wall pipe turn-ups butt complex butt 421 on the locating piece 42.

Referring to fig. 2, 4 and 5, the frame 1 is located on the first slide rail 11 and is further connected with an installation seat 5 in a sliding manner, the frame 1 is provided with a power part 6 for driving the installation seat 5 to ascend and descend, the installation seat 5 is located on the peripheral side of the rotating rod 2 and is connected with a plurality of rolling wheels 7 in a rotating manner, in the present application, three rolling wheels 7 are taken as an example for description, the three rolling wheels 7 are distributed on the peripheral side of the rotating rod 2 at intervals, the rolling wheels 7 are all slid on the installation seat 5, the sliding direction is horizontal and slides in the direction close to and far away from the rotating rod 2, the installation seat 5 is provided with three driving parts 8 corresponding to the number of the rolling wheels 7 and is respectively used for driving the rolling wheels 7 to slide, the outer edge 71 abutted to the thin-wall pipe is formed on the outer edge of the rolling wheel 7, and the rolling wheels 7 are arranged in a reducing manner along the upper side and the lower side of the abutting edge 71.

In practice, the thin-walled tube after the second stretching is sleeved on the rotating rod 2, the lifting member 40 drives the sliding plate 4 to drive the mounting plate 41 and the positioning block 42 to descend, so that the abutting portion 421 of the positioning block 42 abuts against the flanging of the thin-walled tube, and then the three driving members 8 are used for respectively driving the corresponding rolling wheels 7 to abut against the thin-walled tube; at the moment, the driving assembly 3 drives the rotating rod 2 to rotate to drive the thin-walled tube to rotate, and meanwhile, the lifting piece 40 and the power piece 6 rotate to drive the positioning block 42 and the rolling wheel 7 to descend, so that the thin-walled tube is stretched.

Referring to fig. 2, the sliding blocks 43 in sliding fit with the first sliding rail 11 are fixedly mounted on both sides of the sliding plate 4, and the sliding fit between the sliding blocks 43 and the first sliding rail 11 is utilized to improve the stability of the sliding plate 4 during sliding; the lifting piece 40 is a first cylinder which is fixedly arranged at the top of the rack 1, a piston rod of the first cylinder is vertically arranged downwards, and the end part of the piston rod of the first cylinder is fixedly connected with the sliding plate 4; the lower side of the sliding plate 4 is uniformly connected with three connecting rods 9 along the vertical direction, the mounting plate 41 is connected at the lower ends of the three connecting rods 9, and an avoiding opening 91 for avoiding the calendering wheel 7 is formed between every two adjacent connecting rods 9.

The first cylinder is operated to drive the sliding plate 4 to lift, and the lifting movement of the positioning block 42 is realized under the action of the connecting rod 9 and the mounting plate 41.

The equal fixed mounting in one side of being close to first slide rail 11 of mount pad 5 has guide block 51, and guide block 51 slides with first slide rail 11 and is connected, stability when helping improving mount pad 5 and going up and down. The power part 6 is set to be a second cylinder, the number of the second cylinders is two, the two second cylinders correspond to the two guide blocks 51 and are both arranged at the top of the rack 1, a piston rod of the second cylinder is vertically arranged downwards, the end part of the piston rod of the second cylinder is fixedly connected with a linkage rod 61, and the guide blocks 51 are fixedly connected to the lower end of the linkage rod 61. The second cylinder is operated to drive the linkage rod 61 to move, and then the mounting base 5 is lifted under the action of the guide block 51.

Referring to fig. 2 and 4, the middle part of mount pad 5 runs through and has seted up tensile hole, all side interval distribution that mount pad 5 is located dwang 2 has three installation piece 10, correspond three calendering wheel 7, calendering wheel 7 rotates through the bearing and connects on installation piece 10, second slide rail 52 has all been laid to the position that mount pad 5 corresponds installation piece 10, installation piece 10 slides and connects on second slide rail 52, driving piece 8 sets up to the third cylinder, the quantity that the third cylinder corresponds installation piece 10 is provided with threely, the piston rod of third cylinder is the level and perpendicular with the axis of dwang 2, installation piece 10 fixed connection is at the tip of third cylinder piston rod.

And operating the third cylinder to drive the mounting block 10 to slide on the second slide rail 52, so that the rolling wheel 7 can be abutted against the thin-walled pipe.

Drive assembly 3 includes driving motor 31 and pulley assembly 32, and driving motor 31 fixed mounting is in the downside of frame 1, and driving motor 31's driving shaft is vertical setting downwards, and pulley assembly 32's action wheel and driving shaft are coaxial fixed, and pulley assembly 32 follows the driving wheel and dwang 2 is coaxial fixed. The driving motor 31 is operated, and the rotating rod 2 can rotate under the action of the belt pulley assembly 32.

The application principle of the thin-walled tube spinning stretching device in the embodiment of the application is as follows: the positioning block 42 is abutted with the flanging of the thin-walled tube, the rolling wheel 7 is abutted with the wall of the thin-walled tube, and the positioning block 42 and the rolling wheel 7 move downwards under the rotation of the thin-walled tube to realize the stretching operation of the thin-walled tube; in practice, the downward acting force of the positioning block 42 on the flanging position of the thin-walled tube is greater than the downward acting force of the rolling wheel 7 on the thin-walled tube, and the positioning block 42 is utilized to tightly support the flanging of the thin-walled tube, so that the improvement of the stability of the thin-walled tube during rotation is facilitated, the reduction of the influence of the rolling wheel 7 on the thin-walled tube during rotation is facilitated, and the improvement of the surface stretching uniformity of the thin-walled tube is facilitated; in addition, the positioning block 42 is used for pulling the thin-walled tube downwards, so that the rolling wheel 7 can pull the thin-walled tube downwards more easily, and the thin-walled tube can be pulled more easily.

Example 2

Referring to fig. 6 and 7, the difference between the embodiment and embodiment 1 is that the three connecting rods 9 are all arranged in a hollow manner, the upper ends of the three connecting rods 9 are communicated with the cooling water tank 20, the cooling water tank 20 is provided with a miniature water suction pump for pumping cold water into the connecting rods 9, the middle positions of the three connecting rods 9 are provided with water outlet holes 92, the three water outlet holes 92 face the thin-walled tube on the rotating rod 2, and when the positioning block 42 is abutted against the flanging of the thin-walled tube and the rolling wheel 7 is abutted against the wall of the thin-walled tube, the water outlet holes 92 are higher than the rolling wheel 7.

The through-hole has been seted up in running through of installation piece 10, and installation piece 10 is located the through-hole interpolation and has been connect outlet pipe 101, and the delivery port of outlet pipe 101 is towards the butt department of butt edge 71 and thin wall pipe, and the end of intaking of outlet pipe 101 has heating tank 30 through flexible pipe intercommunication, and the intussuseption is filled with the hot-medium, adopts the higher liquid of temperature in this application, installs the miniature suction pump that is used for taking hot water to outlet pipe 101 on the heating tank 30 equally.

The implementation principle of the embodiment 2 is as follows: in the stretching process, the cooling liquid in the cooling water tank 20 is sprayed to the stretched part to cool the stretched part, so that the hardness of the stretched part is improved, and further, the thin-walled tube is prevented from being broken in the subsequent stretching process; in addition, in the stretching process, the water outlet pipe 101 is utilized to spray high-temperature liquid to the abutting part of the abutting edge 71 and the thin-walled pipe, so that the hardness of the thin-walled pipe is reduced, the positioning block 42 and the rolling wheel 7 are convenient to stretch the thin-walled pipe downwards, and the stretching effect of the thin-walled pipe is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A thin wall pipe spinning stretching device which characterized in that: including frame (1), it is connected with dwang (2) that are vertical setting to rotate in frame (1), be provided with in frame (1) and be used for driving dwang (2) pivoted drive assembly (3), the ascending and descending of frame (1) is provided with mount pad (5), the week side that mount pad (5) are located dwang (2) rotates and is provided with a plurality of calendering wheels (7), be provided with on mount pad (5) and be used for driving calendering wheel (7) along being close to and keeping away from driving piece (8) that dwang (2) direction removed, the top that frame (1) is located dwang (2) goes up and down and is provided with mounting panel (41), it is connected with locating piece (42) to rotate along vertical direction on mounting panel (41), locating piece (42) and dwang (2) grafting cooperation, just locating piece (42) and the turn-ups butt cooperation of thin wall pipe, be provided with lift piece (40) that are used for driving mounting panel (41) to go up and down in frame (1).

2. The thin-walled tube spinning stretching device according to claim 1, characterized in that: the outer edge of the rolling wheel (7) is provided with a butt edge (71), and the rolling wheel (7) is arranged in a reducing mode along the upper side and the lower side of the butt edge (71).

3. A thin walled tube spinning stretching device according to claim 1, characterized in that: frame (1) goes up and down to be provided with slide plate (4), the downside of slide plate (4) has a plurality of connecting rods (9) along vertical direction evenly distributed, the quantity of connecting rod (9) is the same with the quantity of calendering wheel (7), and is adjacent be formed with between connecting rod (9) and be used for dodging the mouth (91) of dodging of calendering wheel (7), mounting panel (41) fixed connection is at the lower extreme of all connecting rods (9), piece (40) sets up to first cylinder, first cylinder sets firmly on frame (1), just the piston rod of first cylinder is vertical setting downwards, the piston rod tip and slide plate (4) fixed connection of first cylinder.

4. The thin-walled tube spinning stretching device according to claim 3, characterized in that: the two opposite sides of the rack (1) are provided with first sliding rails (11) along the vertical direction, and the two sides of the sliding plate (4) are correspondingly provided with sliding blocks (43) sliding on the first sliding rails (11).

5. The thin-walled tube spinning stretching device according to claim 4, wherein: the both sides of mount pad (5) all are provided with guide block (51) that slide with first slide rail (11), the quantity that corresponds guide block (51) on frame (1) is provided with two second cylinders, the piston rod of second cylinder is vertical setting down, the piston tip of second cylinder and guide block (51) fixed connection that correspond.

6. The thin-walled tube spinning stretching device according to claim 3, characterized in that: connecting rod (9) are the cavity setting, just apopore (92) have been seted up towards one side of dwang (2) in connecting rod (9), the upper end intercommunication of connecting rod (9) has coolant tank (20), works as when locating piece (42) and thin wall pipe turn-ups butt and calendering wheel (7) and thin wall pipe wall butt, apopore (92) are higher than and roll wheel (7).

7. The thin-walled tube spinning stretching device according to claim 1, characterized in that: the driving piece (8) is arranged as a third cylinder, the telescopic direction of a piston rod of the third cylinder is perpendicular to the axis direction of the rotating rod (2), the end part of the piston rod of the third cylinder is fixedly provided with an installation block (10), and the calendering wheel (7) is rotatably connected onto the installation block (10).

8. A thin walled tube spinning stretching apparatus according to claim 7, characterized in that: a second sliding rail (52) is paved on the mounting seat (5), and the mounting block (10) is connected to the second sliding rail (52) in a sliding mode.

9. The thin-walled tube spinning stretching device according to claim 2, characterized in that: be provided with outlet pipe (101) on mount pad (5), apopore (92) of outlet pipe (101) are towards the butt department of butt edge (71) and thin wall pipe, the water inlet intercommunication of outlet pipe (101) has heating water tank (30).

10. The thin-walled tube spinning stretching device according to claim 1, characterized in that: drive assembly (3) are including driving motor (31) and belt pulley assembly (32), the driving shaft of driving motor (31) is vertical setting, the action wheel of belt pulley assembly (32) and the driving shaft coaxial coupling of driving motor (31), follow driving wheel and dwang (2) coaxial coupling in belt pulley assembly (32).