CN215699386U

CN215699386U - Universal welding rack device with cooling function

Info

Publication number: CN215699386U
Application number: CN202121566943.2U
Authority: CN
Inventors: 胡肖建; 刘建卫; 毛建林
Original assignee: Foshan Zhuoyue Jianlan Machinery Technology Co ltd
Current assignee: Foshan Zhuoyue Jianlan Machinery Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-01
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a universal welding rack device with a cooling function, which comprises a machine base, an upper pressing frame, an upper compression roller, a left pressing frame, a left compression roller, a right pressing frame, a right compression roller, a bottom bracket and a bottom bracket roller, wherein the upper pressing frame, the upper compression roller, the left pressing frame, the left compression roller, the right compression roller, the bottom bracket and the bottom bracket roller are all arranged on the machine base and are distributed in an annular mode. The compression roller has small volume, easy processing and production and low production cost; the material usage amount is small, and the material cost is low; the volume is small, the weight is light, the transportation, the installation and the maintenance are easy, and the corresponding cost is low; the cooling function is provided, the physical properties of the compression roller material can be effectively maintained, the service life is greatly prolonged, and the maintenance cost is reduced; has strong universality, can be automatically adjusted, and can produce steel pipes with different calibers.

Description

Universal welding rack device with cooling function

Technical Field

The utility model relates to a pipe making machine, in particular to a universal welding rack device with a cooling function.

Background

When the metal welded pipe is manufactured, a steel belt is required to be gradually rolled and folded from a flat shape, the edges of the steel belt are butted, and then the steel belt is welded to form a steel pipe. In the process of steel strip folding, two side vertical rollers are generally used for gradually pressing towards the center, the top is pressed down by a horizontal roller, the bottom is supported by the horizontal roller, the steel strip is gradually folded from two sides to a circle, and two edges of the steel strip are opposite to a welding gun, so that welding is carried out.

Because the steel pipe can produce high temperature during the welding, especially when heavy-calibre thick pipe produces, in order to guarantee the depth of weld, often need 2, 3 welder weldings, therefore the temperature of steel pipe is very high, and the compression roller that directly pressfitting contacted with the steel pipe need stand high temperature for a long time, and the material rerum natura of compression roller can change, need stand huge pressure for a long time simultaneously, consequently the compression roller phenomenon of bursting appears often, causes compression roller life short, and later stage maintenance, maintenance cost are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal welding frame device which is long in service life and low in maintenance cost.

According to one aspect of the utility model, the universal welding rack device with the cooling function comprises a base, and an upper pressing frame, an upper pressing roller, a left pressing frame, a left pressing roller, a right pressing frame, a right pressing roller, a bottom bracket and a bottom bracket roller which are all arranged on the base and distributed in an annular shape, wherein the upper pressing roller is rotatably arranged on the upper pressing frame, the left pressing roller is rotatably arranged on the left pressing frame, the right pressing roller is rotatably arranged on the right pressing frame, the bottom bracket roller is rotatably arranged on the bottom bracket, the upper pressing frame is provided with a cooling water interface, a cooling water channel is arranged in the upper pressing roller, and the cooling water interface is communicated with the cooling water channel.

In some embodiments, the upper pressing frame comprises an upper pressing roller bracket, a pin shaft, a double bearing and a rotary joint, the outer side of the double bearing is fixedly connected with the upper pressing roller bracket, the pin shaft penetrates through the double bearing and is fixedly connected with the inner side of the double bearing, the pin shaft is provided with a through hole penetrating through the pin shaft, one end of the rotary joint is fixedly connected with one end of the through hole, the other end of the rotary joint is a cooling water interface, and the other end of the through hole is connected with the cooling water channel.

In some embodiments, the upper pressing frame further comprises two thin-wall metal pipes, the pin shaft, the double bearings and the rotary joints are arranged and symmetrically connected to two sides of the upper pressing roller, the thin-wall metal pipes penetrate through the through holes and the cooling water channel, and two ends of each thin-wall metal pipe are respectively connected with the two rotary joints.

In some embodiments, rotary joint includes the inner tube, the rotor, ball bearing, the lantern ring, the sealing ring, spring and connector, lantern ring and rotor all suit are outside the inner tube, the one end of the lantern ring and the one end fixed connection of inner tube, the other end suit of the lantern ring passes through ball bearing and rotor rotatable coupling outside the rotor, be equipped with sealed chamber between inner tube and the lantern ring, sealing ring and spring are located sealed intracavity, the one end and the lantern ring butt of spring, the other end and the one end butt of sealing ring of spring, the other end of sealing ring and the one end butt of rotor, the sealing ring suit outside the inner tube and with inner tube sliding connection, the one end of connector and the one end threaded connection of the lantern ring.

In some embodiments, the upper pressing frame further comprises a first fixed block, a first sliding block and an upper roller adjusting screw rod, the first fixed block is fixed on the machine base, the first sliding block is vertically and slidably connected with the first fixed block, the upper roller adjusting screw rod penetrates through the upper portion of the machine base and is in threaded fit with the machine base, and the lower end of the upper roller adjusting screw rod is rotatably connected with the first sliding block.

In some embodiments, the left pressure frame comprises a fixed seat, a second fixed block, a second sliding block and a left pressure roller bracket box, left side compression roller bracket, control accommodate the lead screw, adjust the lead screw and left compression roller axle from top to bottom, fixing base and second fixed block all are fixed in the frame, the vertical sliding connection of second sliding block and second fixed block, adjust the lead screw from top to bottom and run through the fixing base and with fixing base screw-thread fit, adjust the one end and the second sliding block rotatable coupling of lead screw from top to bottom, left side compression roller bracket and second sliding block fixed connection, left side compression roller bracket and left compression roller bracket box horizontal sliding connection, left side compression roller axle is rotationally installed in the one end of left compression roller bracket, left side compression roller suit outside left compression roller axle and with left compression roller axle fixed connection, control accommodate the lead screw and run through one side of left compression roller bracket box and with left compression roller bracket box rotatable coupling, control accommodate the one end suit of lead screw in the other end of left side compression roller bracket and with left compression roller bracket screw-thread fit.

The utility model has the beneficial effects that: the compression roller has small volume, easy processing and production and low production cost; the material usage amount is small, and the material cost is low; the volume is small, the weight is light, the transportation, the installation and the maintenance are easy, and the corresponding cost is low; the cooling function is provided, the physical properties of the compression roller material can be effectively maintained, the service life is greatly prolonged, and the maintenance cost is reduced; has strong universality, can be automatically adjusted, and can produce steel pipes with different calibers.

Drawings

Fig. 1 is a schematic structural diagram of a general welding stand device with a cooling function according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an upper pressing frame of the universal welding frame device with a cooling function;

FIG. 3 is a schematic structural diagram of a rotary joint of a universal welding stand device with a cooling function;

fig. 4 is a schematic structural diagram of a left pressing frame of the universal welding frame device with a cooling function.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 4 schematically show a general type welding stand device with a cooling function according to an embodiment of the present invention.

Referring to fig. 1 to 4, the general welding rack device with the cooling function includes a base 1, and an upper pressing frame 2, an upper pressing roller 3, a left pressing frame 4, a left pressing roller 5, a right pressing frame 6, a right pressing roller 7, a bottom bracket 8 and a bottom supporting roller 9 which are all installed on the base 1 and are distributed annularly. The machine base 1 is provided with a through hole for the steel pipe to pass through, and the upper compression roller 3, the left compression roller 5, the right compression roller 7 and the bottom support roller 9 are encircled to form a circular channel opposite to the through hole. The upper press roll 3 is rotatably mounted to the upper press frame 2, and the left press roll 5 is rotatably mounted to the left press frame 4. The right compression roller 7 is rotatably mounted on the right compression frame 6, and the bottom support roller 9 is rotatably mounted on the bottom support frame 8. The upper pressing frame 2 is provided with a cooling water interface 21, a cooling water channel 31 is arranged in the upper pressing roller 3, and the cooling water interface 21 is communicated with the cooling water channel 31.

The upper pressure frame 2 comprises an upper pressure roller bracket 22, a pin shaft 23, a double bearing 24, a rotary joint 25, a thin-wall metal pipe 26, a first fixed block 27, a first sliding block 28 and an upper roller adjusting screw rod 29. The outer side of the double bearing 24 is fixedly connected with the upper pressure roller bracket 22 through a screw, and the pin shaft 23 penetrates through the double bearing 24 and is fixedly connected with the inner side of the double bearing 24 in an interference fit manner. The pin shaft 23 is provided with a through hole 231 penetrating through the pin shaft 23, one end of the rotary joint 25 is fixedly connected with one end of the through hole 231, the other end of the rotary joint 25 is a cooling water interface 21, and the other end of the through hole 231 is connected with the cooling water channel 31.

The first fixed block 27 is fixed on the machine base 1, and the first sliding block 28 is vertically connected with the first fixed block 27 in a sliding manner. The upper roll adjusting screw 29 penetrates through the upper part of the machine base 1 and is in threaded fit with the machine base 1, and the lower end of the upper roll adjusting screw 29 is rotatably connected with the first sliding block 28. The upper roll adjusting screw 29 can be driven to rotate by a motor and a transmission mechanism, and the first sliding block 28 can move up and down to adjust the vertical position of the upper roll 3 by rotating the upper roll adjusting screw 29.

The pin shaft 23, the double bearings 24 and the rotary joints 25 are arranged in two and are symmetrically connected to two sides of the upper press roll 3. The cooling water port 21 may be connected to a cooling water pipe, and the cooling water flows into the cooling water channel 31 provided in the upper press roll 3 through the through hole 231 provided in the upper press roll 3 at one end to cool the upper press roll 3, and then is output from the cooling water port 21 at the other end.

A thin-walled metal pipe 26 may be inserted through the through hole 231 and the cooling water passage 31, and both ends of the thin-walled metal pipe 26 are connected to the two rotary joints 25, respectively. The upper press roll 3, the pin 23 and the thin-walled metal tube 26 rotate together and drive one end of the rotary joint 25 to rotate. The close connection of the thin-walled metal pipe 26 with the inner wall of the cooling water passage 31 in the upper press roll 3 can increase the tightness of the cooling water entering the upper press roll 3.

The rotary joint 25 includes an inner tube 251, a rotor 252, a ball bearing 253, a collar 254, a seal ring 255, a spring 256, and a connecting head 257. The lantern ring 254 and the rotor 252 are both sleeved outside the inner tube 251, one end of the lantern ring 254 is fixedly connected with one end of the inner tube 251, and the other end of the lantern ring 254 is sleeved outside the rotor 252 and is rotatably connected with the rotor 252 through a ball bearing 253. A seal cavity 258 is provided between the inner tube 251 and the collar 254, and the seal ring 255 and the spring 256 are located within the seal cavity 258. One end of the spring 256 abuts the collar 254, and the other end of the spring 256 abuts one end of the seal ring 255. The other end of the seal ring 255 abuts against one end of the rotor 252, and a seal ring is provided between the seal ring 255 and the rotor 252. The sealing ring 255 is sleeved outside the inner pipe 251 and is connected with the inner pipe 251 in a sliding mode, and the sealing ring is arranged between the sealing ring 255 and the inner pipe 251. One end of the connecting head 257 is fixedly connected with one end of the collar 254 by screw thread. The other end of the connecting head 257 may be provided with external threads or internal threads as required.

The left pressing frame 4 comprises a fixed seat 40, a second fixed block 41, a second sliding block 42, a left pressing roller bracket box 43, a left pressing roller bracket 44, a left and right adjusting screw rod 45, an up and down adjusting screw rod 46 and a left pressing roller shaft 47. The fixed seat 40 and the second fixed block 41 are both fixed on the machine base 1 by screws, and the second sliding block 42 is vertically connected with the second fixed block 41 in a sliding manner. The up-down adjusting screw rod 46 penetrates the fixing base 40 and is in threaded fit with the fixing base 40, and one end of the up-down adjusting screw rod 46 is rotatably connected with the second sliding block 42. Rotating the up-down adjusting screw 46 can drive the second slide block 42 to move up and down to drive the left pressing roller bracket box 43, the left pressing roller bracket 44 and the left pressing roller 5 to move up and down to adjust the vertical position of the left pressing roller 5. The left pressure roller bracket box 43 is fixedly connected with the second sliding block 42 through screws, and the left pressure roller bracket 44 is horizontally connected with the left pressure roller bracket box 43 in a sliding manner. The left compression roller shaft 47 is rotatably arranged at one end of the left compression roller bracket 44, and the left compression roller 5 is sleeved outside the left compression roller shaft 47 and is fixedly connected with the left compression roller shaft 47. The left and right adjusting screw rods 45 penetrate through one side of the left compression roller bracket box 43 and are rotatably connected with the left compression roller bracket box 43, and one ends of the left and right adjusting screw rods 45 are sleeved in the other end of the left compression roller bracket 44 and are in threaded fit with the left compression roller bracket 44. The left and right adjusting screw rods 45 are rotated to drive the left pressing roll bracket 44 and the left pressing roll 5 to move horizontally so as to adjust the horizontal position of the left pressing roll 5.

The structure of the right pressing frame 6 is the same as that of the left pressing frame 4, the bottom bracket 8 is not provided with a cooling water system, related rotary joints, thin-wall metal pipes and other structural components, and the rest of the structural components are similar to the upper pressing frame 2.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. Take cooling function's general type welding frame device, its characterized in that: including frame (1) and all install in frame (1) and be the last pressure frame (2) that the annular distributes, go up compression roller (3), press frame (4) a left side, left compression roller (5), press frame (6) a right side, compression roller (7), bottom bracket (8) and collet roller (9) on the left side, it rotationally installs in last pressure frame (2) to go up compression roller (3), left side compression roller (5) rotationally install in left side and press frame (4), right side compression roller (7) rotationally install in right side and press frame (6), bottom bracket roller (9) rotationally install in bottom bracket (8), it is equipped with cooling water interface (21) to go up pressure frame (2), upward be provided with cooling water passageway (31) in compression roller (3), cooling water interface (21) and cooling water passageway (31) intercommunication.

2. The universal welding stand device with cooling function according to claim 1, wherein: go up pressure frame (2) including last compression roller bracket (22), round pin axle (23), duplex bearing (24) and rotary joint (25), the outside and last compression roller bracket (22) fixed connection of duplex bearing (24), round pin axle (23) run through duplex bearing (24) and with the inboard fixed connection of duplex bearing (24), round pin axle (23) are equipped with through-hole (231) that run through round pin axle (23), the one end of rotary joint (25) and the one end fixed connection of through-hole (231), the other end of rotary joint (25) is cooling water interface (21), the other end and the cooling water passageway (31) of through-hole (231) are connected.

3. General purpose welding rack device with cooling function according to claim 2, characterized in that: go up pressure frame (2) still include thin-wall metal tube (26), round pin axle (23), duplex bearing (24), rotary joint (25) set up two and symmetric connection in the both sides of last compression roller (3), thin-wall metal tube (26) run through-hole (231) and cooling water passageway (31), the both ends of thin-wall metal tube (26) are connected with two rotary joint (25) respectively.

4. General purpose welding rack device with cooling function according to claim 2, characterized in that: the rotary joint (25) comprises an inner pipe (251), a rotor (252), a ball bearing (253), a lantern ring (254), a sealing ring (255), a spring (256) and a connecting head (257), the lantern ring (254) and the rotor (252) are sleeved outside the inner pipe (251), one end of the lantern ring (254) is fixedly connected with one end of the inner pipe (251), the other end of the lantern ring (254) is sleeved outside the rotor (252) and rotatably connected with the rotor (252) through the ball bearing (253), a sealing cavity (258) is arranged between the inner pipe (251) and the lantern ring (254), the sealing ring (255) and the spring (256) are located in the sealing cavity (258), one end of the spring (256) is abutted to the lantern ring (254), the other end of the spring (256) is abutted to one end of the sealing ring (255), the other end of the sealing ring (255) is abutted to one end of the rotor (252), the sealing ring (255) is sleeved outside the inner pipe (251) and is in sliding connection with the inner pipe (251), and one end of the connecting head (257) is in threaded connection with one end of the lantern ring (254).

5. The universal welding rack device with the cooling function according to any one of claims 2 to 4, wherein: go up and press frame (2) still include first fixed block (27), first sliding block (28) and go up roller adjusting screw (29), first fixed block (27) are fixed in frame (1), first sliding block (28) and first fixed block (27) sliding connection, go up roller adjusting screw (29) run through the upper portion of frame (1) and with frame (1) screw-thread fit, go up the lower extreme and first sliding block (28) rotatable coupling of roller adjusting screw (29).

6. The universal welding stand device with cooling function according to claim 1, wherein: the left pressure frame (4) comprises a fixed seat (40), a second fixed block (41), a second sliding block (42), a left pressure roller bracket box (43), a left pressure roller bracket (44), a left and right adjusting screw rod (45), an upper and lower adjusting screw rod (46) and a left pressure roller shaft (47), wherein the fixed seat (40) and the second fixed block (41) are both fixed on the machine base (1), the second sliding block (42) is vertically and slidably connected with the second fixed block (41), the upper and lower adjusting screw rod (46) penetrates through the fixed seat (40) and is in threaded fit with the fixed seat (40), one end of the upper and lower adjusting screw rod (46) is rotatably connected with the second sliding block (42), the left pressure roller bracket box (43) is fixedly connected with the second sliding block (42), the left pressure roller bracket (44) is horizontally and slidably connected with the left pressure roller bracket box (43), and the left pressure roller shaft (47) is rotatably installed at one end of the left pressure roller bracket (44), the left compression roller (5) is sleeved outside the left compression roller shaft (47) and fixedly connected with the left compression roller shaft (47), the left and right adjusting screw rods (45) penetrate through one side of the left compression roller bracket box (43) and are rotatably connected with the left compression roller bracket box (43), and one ends of the left and right adjusting screw rods (45) are sleeved in the left compression roller bracket (44) and are in threaded fit with the left compression roller bracket (44).