CN216965849U - Stainless steel pipe production line - Google Patents

Abstract

The utility model relates to a stainless steel pipe production line, it includes the frame and sets gradually reelpipe mechanism, welding mechanism, cooling body in the frame, press circle mechanism and cutting mechanism, press circle mechanism including the conveyer that is used for conveying stainless steel pipe spare and at least two be used for with the sizing wheel of stainless steel pipe spare butt, conveyer sets up in the frame, the fixed mount pad that sets up in the frame, two the sizing wheel all rotates and sets up on the mount pad, the sizing wheel is gone up and has been seted up the sizing groove along the circumferential direction of sizing wheel. Through conveyer conveying stainless steel pipe fitting, stainless steel pipe fitting drives the sizing wheel rotation in data send process, the diapire in the sizing groove on two sizing wheels all with the stainless steel pipe fitting butt, rotation through the sizing wheel is pressed the circle to stainless steel pipe fitting and is stereotyped, be favorable to making the stainless steel pipe fitting be difficult for producing the deformation in the cooling process to a certain extent, be favorable to improving product quality.

Description

Stainless steel pipe production line

Technical Field

The application relates to the technical field of stainless steel pipe production, in particular to a stainless steel pipe production line.

Background

Stainless steel pipe is a kind of hollow long strip round steel, and is mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument and other industrial conveying pipelines and mechanical structure parts, and also widely used in manufacturing mechanical parts and engineering structures because of its light weight when it has the same bending and torsional strength.

The Chinese patent with the publication number of CN204448884U discloses a production line of a thin-wall stainless steel tube for a lining, which comprises a stainless steel strip, wherein a conveying double-roll is arranged on a double-roll bracket, a first tube coiling device consists of a first tube coiling support, a first tube coiling module and a first tube coiling shaping wheel, two opposite first tube coiling modules are fixed on the first tube coiling support, the first tube coiling module is a wheel-shaped body with a concave cambered surface in the middle, the first tube coiling wheel faces between the two first tube coiling modules, the stainless steel strip enters between the two first tube coiling modules after passing between two rollers of the conveying double-roll, and the first tube coiling shaping wheel presses the middle part of the stainless steel strip; the tractor is arranged at the right part of the third pipe coiling device, and the pipe blank welded by the welding head is clamped between two traction conveying belts of the tractor; the stainless steel strip is coiled by the first pipe coiling device to form an arc-shaped sheet belt, the arc-shaped sheet belt is pressed oppositely by the two second pipe coiling modules on the second pipe coiling device to form an approximately circular belt with an upper opening, the approximately circular belt is sealed into a cylinder shape by the splayed door and the third pipe coiling device, and then the welding head is used for welding to form the stainless steel thin-wall pipe.

Aiming at the related technology, the temperature of the stainless steel thin-wall pipe can rise when the welding head is welded, and the deformation is easily generated due to the external force in the cooling process, so that the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve product quality, this application provides a stainless steel pipe production line.

The application provides a stainless steel pipe production line adopts following technical scheme:

the utility model provides a nonrust steel pipe production line, includes the frame and sets gradually reelpipe mechanism, welding mechanism, cooling body in the frame, presses circle mechanism and cutting mechanism, press circle mechanism including the conveyer that is used for conveying stainless steel pipe spare and at least two be used for with the sizing wheel of stainless steel pipe spare butt, conveyer sets up in the frame, the fixed mount pad that sets up in the frame, two the sizing wheel all rotates and sets up on the mount pad, the sizing wheel is gone up and has been seted up the sizing groove along the circumference direction of sizing wheel.

Through adopting above-mentioned technical scheme, place the stainless steel strip in the frame, reelpipe mechanism is cylindric with stainless steel strip batching in the transportation process of stainless steel strip, form stainless steel pipe spare through welded structure welding again, then accelerate the cooling through cooling body, convey stainless steel pipe spare through conveyer, stainless steel pipe spare drives the sizing wheel rotation in the data send process, the diapire in the sizing groove on two sizing wheels all with stainless steel pipe spare butt, the rotation through the sizing wheel is pressed the circle to stainless steel pipe spare and is stereotyped, then cut stainless steel pipe spare through cutting mechanism, be favorable to making to a certain extent that stainless steel pipe spare is difficult for producing the deformation in the cooling process, be favorable to improving product quality.

Optionally, the spout has been seted up along the length direction of mount pad on the roof of mount pad, the length direction slip of following the mount pad in the spout is provided with first slider, first slider sets up two at least, two the sizing wheel rotates respectively and sets up on two first sliders, be provided with the first drive assembly who is used for driving two first sliders and is close to each other or keeps away from each other on the mount pad.

Through adopting above-mentioned technical scheme, be close to each other or keep away from each other through two first sliders of first drive assembly drive and be favorable to adjusting the distance between two sizing wheels to conveniently grip stainless steel pipe fitting and take out stainless steel pipe fitting.

Optionally, the first driving assembly comprises a bidirectional screw rod and a first rotating member for driving the bidirectional screw rod to rotate, the bidirectional screw rod is rotatably arranged in the chute, the two first sliding blocks are sleeved on the bidirectional screw rod in a sliding manner, and the two first sliding blocks are in threaded connection with the bidirectional screw rod.

Through adopting above-mentioned technical scheme, rotate two-way lead screw of drive through first rotation, two first sliders of two-way lead screw drive are close to each other, make two sizing wheels simultaneously with stainless steel pipe butt, the diapire of the sizing groove on two sizing wheels all with stainless steel pipe butt, be favorable to adjusting the distance between two sizing wheels, with convenient centre gripping stainless steel pipe and taking out stainless steel pipe, can adapt to not unidimensional stainless steel pipe simultaneously, be favorable to increasing the suitability.

Optionally, the fixed connecting rod that is provided with on the first slider, the sizing wheel rotates the cover and establishes on the connecting rod, the fixed spacing hoop that is provided with on the mount pad, adjusting screw, two are worn to be equipped with by the equal screw thread in both ends of spacing hoop adjusting screw that is close to each other all rotates and is connected with the lantern ring, the connecting rod rotates and wears to establish in the lantern ring, the lantern ring and the inner wall butt of spacing hoop.

Through adopting above-mentioned technical scheme, the distance between two sizing wheels can be injectd to the lantern ring and spacing hoop, prevents that two sizing wheels from pressing the in-process of circle stainless steel pipe fitting to take place the displacement, improves the precision when pressing the circle and stereotypes, is favorable to improving product quality.

Optionally, the conveying device includes a support, a second slider, a driving wheel, a driven wheel used for being abutted to the stainless steel pipe fitting, and a driving piece used for driving the driving wheel to rotate, the support is fixedly arranged on the frame, the driving wheel is rotatably arranged on the support, the second slider is slidably arranged on the support along a direction close to or far away from the frame, the driven wheel is rotatably arranged on the second slider, and a second driving assembly used for driving the second slider to slide is arranged on the support.

Through adopting above-mentioned technical scheme, stainless steel pipe spare and action wheel butt, it slides along the direction that is close to the action wheel from the driving wheel to improve the drive of second drive assembly, make from driving wheel and stainless steel pipe spare butt, rethread driving piece drive action wheel rotates, the action wheel orders about the stainless steel pipe spare when the pivoted and removes, can drive when the stainless steel pipe spare removes and rotate from the driving wheel, rotate the effect that realizes conveying stainless steel pipe spare simultaneously through the action wheel and from the driving wheel.

Optionally, the second drive assembly rotates the piece including rotating the screw rod and being used for the drive to rotate screw rod pivoted second, it rotates the setting on the support to rotate the screw rod, the second slider slides the cover and establishes on rotating the screw rod, the second slider with rotate screw rod threaded connection, set up the guide way that supplies the support card to go into on the second slider, the support slides with the guide way and is connected.

Through adopting above-mentioned technical scheme, rotate the drive through the second and rotate the screw rod and rotate, the support card prevents in the guide way that the second slider from rotating along with rotating the screw rod for the second slider slides along the direction that is close to the action wheel, and the second slider drives from the driving wheel slip, conveniently adjusts the distance from driving wheel and stainless steel pipe fitting between, conveniently from driving wheel and stainless steel pipe fitting butt.

Optionally, the second rotating member includes a first rotating disk, and the first rotating disk is fixedly sleeved on the rotating screw rod.

Through adopting above-mentioned technical scheme, through the first rotary disk of manual rotation, first rotary disk drives and rotates the screw rod and rotate, rotates the screw rod through motor drive and compares, and manual control is more accurate with the butt degree of stainless steel pipe fitting from the driving wheel, and practices thrift the cost.

Optionally, a first abdicating groove is formed in the driving wheel in the circumferential direction of the driving wheel, and a second abdicating groove is formed in the driven wheel in the circumferential direction of the driven wheel.

Through adopting above-mentioned technical scheme, the diapire in first groove and the second groove of stepping down all with the stainless steel pipe fitting butt, is favorable to preventing that stainless steel pipe fitting from rocking when the conveying, can not cause the extrusion to stainless steel pipe fitting when the conveying simultaneously, is favorable to the stainless steel pipe fitting to stereotype.

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

1. the stainless steel strip is placed on the rack, the stainless steel strip is rolled into a cylindrical shape by the pipe rolling mechanism in the conveying process of the stainless steel strip, the stainless steel tube is welded by a welding structure to form a stainless steel tube, cooling is accelerated by the cooling mechanism, the stainless steel tube is conveyed by the conveying device, the stainless steel tube drives the shaping wheels to rotate in the conveying process, the bottom walls of the shaping grooves in the two shaping wheels are abutted against the stainless steel tube, the stainless steel tube is subjected to rounding shaping by the rotation of the shaping wheels, and then the stainless steel tube is cut by the cutting mechanism, so that the stainless steel tube is not easy to deform in the cooling process to a certain extent, and the product quality is improved;

2. the first rotating piece drives the two-way screw rod to rotate, the two-way screw rod drives the two first sliding blocks to be close to each other, so that the two shaping wheels are abutted to the stainless steel pipe at the same time, and the bottom walls of the shaping grooves on the two shaping wheels are abutted to the stainless steel pipe, so that the distance between the two shaping wheels can be adjusted, the stainless steel pipe can be conveniently clamped and taken out, meanwhile, the two-way screw rod can adapt to stainless steel pipes with different sizes, and the applicability is improved;

3. stainless steel pipe fitting and action wheel butt, it slides along the direction that is close to the action wheel to improve the drive of second drive assembly from the driving wheel, make from driving wheel and stainless steel pipe fitting butt, rethread driving piece drive action wheel rotates, the action wheel orders about the stainless steel pipe fitting when the pivoted and removes, can drive when the stainless steel pipe fitting removes and rotate from the driving wheel, rotate the effect of realizing conveying stainless steel pipe fitting simultaneously through the action wheel and from the driving wheel.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a pipe reeling mechanism mainly embodied in the embodiment of the present application;

FIG. 3 is a schematic structural diagram mainly showing a cutting mechanism, a cooling mechanism and a rounding mechanism in the embodiment of the application;

FIG. 4 is a schematic structural diagram of a cutting machine mainly embodied in the embodiment of the present application;

FIG. 5 is a schematic structural diagram of a conveying apparatus according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram mainly showing the mounting seat, the first sliding block and the sizing wheel in the embodiment of the application.

Description of reference numerals: 1. a frame; 2. a pipe coiling mechanism; 21. a conveying roller; 211. a rotating electric machine; 212. a support plate; 22. a pipe coiling wheel set; 221. a pipe coiling wheel; 23. flattening wheels; 24. a receiving wheel; 3. a welding mechanism; 4. a cooling mechanism; 41. a spray head; 42. a water tank; 6. a cutting mechanism; 61. a cutter; 62. a travel switch; 63. a pipe fitting support frame; 5. a rounding mechanism; 51. a conveying device; 511. a second drive assembly; 5111. rotating the screw; 5112. a first rotating disk; 512. a support; 5121. a cross bar; 5122. a vertical rod; 513. a second slider; 5131. a guide groove; 514. a driving wheel; 5141. a first abdicating groove; 515. a driven wheel; 5151. a second abdicating groove; 516. a drive motor; 517. a rotating shaft; 52. a shaping wheel; 521. a shaping groove; 53. a mounting seat; 531. a chute; 54. a first slider; 55. a limiting hoop; 551. a clamping groove; 56. a connecting rod; 57. a collar; 58. adjusting the screw rod; 7. a first drive assembly; 71. a bidirectional screw rod; 72. a second rotating disk.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a stainless steel pipe production line.

Referring to fig. 1 and 2, a stainless steel pipe production line comprises a frame 1, a pipe coiling mechanism 2, a welding mechanism 3, a cooling mechanism 4, a pipe rolling mechanism 5 and a cutting mechanism 6 which are sequentially arranged on the frame 1, wherein the pipe coiling mechanism 2 comprises at least two conveying rollers 21 for conveying a stainless steel belt, a receiving wheel 24 for receiving the stainless steel belt, a flattening wheel 23 for abutting against the side wall of the stainless steel belt and a plurality of pipe coiling wheel sets 22 for coiling the stainless steel belt into a pipe fitting, a support plate 212 is fixedly arranged on the frame 1, the two conveying rollers 21 are both rotatably arranged on the support plate 212, the two conveying rollers 21 are oppositely arranged in the vertical direction, a rotating motor 211 is fixedly arranged on the frame 1, one conveying roller 21 is coaxially and fixedly connected with an output shaft of the rotating motor 211, the pipe coiling wheel set 22 comprises two pipe coiling wheels 221 which are oppositely arranged, the pipe coiling wheel 221 is a wheel body of which has a concave cambered surface in the middle part, two reelpipe wheels 221 are used for respectively with stainless steel strip both sides side butt, reelpipe wheel 221 rotates and sets up in frame 1, and multiunit reelpipe wheelset 22 sets up in frame 1 along the direction of travel of stainless steel strip, and the interval between two reelpipe wheels 221 of reelpipe wheelset 22 reduces along the direction of travel of stainless steel strip gradually.

Referring to fig. 2, the flattening wheel 23 is rotatably disposed on the frame 1, the flattening wheel 23 is used for abutting against the top wall of the stainless steel strip, the flattening wheel 23 is rotatably disposed on the perpendicular bisector of the center connecting line of the two pipe coiling wheels 221, the flattening wheel 23 is provided with a plurality of parts along the advancing direction of the stainless steel pipe, the receiving wheel 24 is rotatably disposed on the frame 1, the receiving wheel 24 is provided with a plurality of parts along the advancing direction of the stainless steel pipe, and the receiving wheel 24 and the flattening wheel 23 are disposed opposite to each other in the vertical direction.

Stainless steel strip passes through between two conveying rollers 21, carry through two conveying rollers 21 and get into between two reelpipe wheels 221 after carrying, the stainless steel strip moves on accepting the wheel 24, the middle part of stainless steel strip is being pressed to flattening wheel 23, the stainless steel strip is at the in-process of marcing through multiunit reelpipe wheelset 22 in proper order, the stainless steel strip is rolled into the arc sheet area earlier, the arc sheet area forms one and takes the approximate circular area of open-ended after pressing, it is cylindric to close after pressing again to approximate circular area.

Referring to fig. 3, the welding mechanism 3 includes a welding machine fixedly disposed on the frame 1 for welding a stainless steel strip rolled into a cylindrical shape by the pipe rolling mechanism 2 to form a stainless steel pipe. The cooling mechanism 4 comprises a spray head 41 and a water tank 42, the spray head 41 and the water tank 42 are used for spraying cooling water to the stainless steel pipe fittings, the water tank 42 is fixedly arranged in the rack 1, the spray head 41 is fixedly arranged on the rack 1, the welded stainless steel pipe fittings move on the rack 1, the spray head 41 sprays cooling water to the stainless steel pipe fittings to accelerate the cooling of the stainless steel pipe fittings, and the cooling water is collected in the water tank 42.

Referring to fig. 4, cutting mechanism 6 includes cutting machine 61, travel switch 62 and pipe fitting support frame 63, the fixed one end that sets up in frame 1 of pipe fitting support frame 63, a pipe fitting for accepting the processing completion and waiting to cut, travel switch 62 is connected with cutting machine 61 electricity, cutting machine 61 is fixed to be set up in frame 1, cutting machine 61 is used for cutting the pipe fitting after cooling setting through cooling mechanism 4 and pressure circle mechanism 5, travel switch 62 is fixed to be set up in the one end that frame 1 was kept away from at pipe fitting support frame 63, behind travel switch 62 was touchhed to the one end of pipe fitting, cutting machine 61 cuts the pipe fitting after receiving travel switch 62's signal, cut off the pipe fitting.

Referring to fig. 3 and 5, the rounding mechanism 5 comprises a transfer device 51 for transferring the pipe and at least two sizing wheels 52 for abutting against the pipe, the transfer device 51 is arranged on the frame 1, the transfer device 51 comprises a bracket 512 and a second slide block 513, the action wheel 514, be used for with the pipe fitting butt from driving wheel 515 and be used for driving action wheel 514 pivoted driving piece, the fixed setting in frame 1 of support 512, support 512 includes horizontal pole 5121 and montant 5122, horizontal pole 5121's both ends are all fixed and are provided with montant 5122, two montant 5122's length direction all is perpendicular with horizontal pole 5121's length direction, two montants 5122 keep away from horizontal pole 5121's one end all with frame 1 fixed connection, two montants 5122 are located same one side of frame 1, the direction of advance of support 512 along stainless steel pipe spare is provided with a plurality ofly, the both sides of frame 1 all are provided with support 512, the support 512 of frame 1 both sides is just to setting up. The driving wheel 514 is rotatably arranged on the support 512, the driving wheel 514 is rotatably arranged between the supports 512 at two sides of the rack 1, a first abdicating groove 5141 is arranged on the side wall of the driving wheel 514 along the circumferential direction of the driving wheel 514, the bottom wall of the first abdicating groove 5141 is used for abutting against a stainless steel pipe fitting, the driving piece is arranged as a driving motor 516, the driving motor 516 is fixedly arranged on the support 512, the driving wheel 514 is coaxially and fixedly connected with the output shaft of the driving motor 516, the second sliding block 513 is slidably arranged on the support 512 along the direction close to or far away from the rack 1, a rotating shaft 517 is fixedly penetrated through the second sliding block 513, the rotating shaft 517 is fixedly penetrated through the rotating shaft 517, the driven wheel 515 is rotatably arranged on the second sliding block 513, the driven wheel 515 is rotatably sleeved on the rotating shaft 517, the driven wheel 515 and the driving wheel 514 are oppositely arranged in the vertical direction, a second abdicating groove 5151 is arranged on the side wall of the driven wheel 515 along the circumferential direction of the driven wheel 515, the second avoiding groove 5151 is used for abutting against the pipe.

Referring to fig. 5, a second driving assembly 511 for driving the second sliding block 513 to slide is disposed on the bracket 512, the second driving assembly 511 includes a rotating screw 5111 and a second rotating member for driving the rotating screw 5111 to rotate, the rotating screw 5111 is rotatably disposed on the bracket 512, the rotating screw 5111 is rotatably disposed on the second sliding block 513 through the cross bar 5121, the second rotating member includes a first rotating disc 5112, and the first rotating disc 5112 is fixedly sleeved on one end of the rotating screw 5111 away from the frame 1. The second slider 513 is slidably sleeved on the rotating screw 5111, the second slider 513 is in threaded connection with the rotating screw 5111, the second slider 513 is provided with a guide groove 5131 for the support 512 to be clamped into, the two ends of the second slider 513 are provided with guide grooves 5131, the support 512 is connected with the guide grooves 5131 in a sliding manner, and the side walls of the two vertical rods 5122 close to each other are abutted to the bottom walls of the two guide grooves 5131 respectively.

Referring to fig. 3 and 6, a plurality of mounting seats 53 are fixedly provided on the frame 1, the mounting seats 53 being provided along the traveling direction of the stainless steel pipe, and the longitudinal direction of the mounting seats 53 being perpendicular to the traveling direction of the stainless steel pipe. Two sizing wheels 52 all rotate and set up on mount pad 53, two sizing wheels 52 are used for respectively with the both sides butt of stainless steel pipe fitting, two sizing wheels 52 just to setting up along the length direction of mount pad 53. The lateral wall of shaping wheel 52 is gone up and has been seted up shaping groove 521 along shaping wheel 52's circumferential direction, and the diapire of two shaping grooves 521 all with stainless steel pipe fitting butt. Spout 531 has been seted up along the length direction of mount pad 53 on the roof of mount pad 53, the length direction slip of following mount pad 53 in the spout 531 is provided with first slider 54, the diapire of first slider 54 and the diapire butt of spout 531, first slider 54 sets up two at least, two sizing wheels 52 rotate respectively and set up on two first sliders 54, all fixed being provided with connecting rod 56 on the roof of two first sliders 54, the length direction of connecting rod 56 is perpendicular with the roof of first slider 54, sizing wheel 52 rotates the cover and establishes on connecting rod 56.

Referring to fig. 6, the mounting seat 53 is provided with a first driving assembly 7 for driving the two first sliders 54 to approach or separate from each other. The first driving assembly 7 comprises a bidirectional screw rod 71 and a first rotating member for driving the bidirectional screw rod 71 to rotate, the bidirectional screw rod 71 is rotatably arranged in the sliding groove 531, one end of the bidirectional screw rod 71 is a left-handed screw thread, the other end of the bidirectional screw rod 71 is a right-handed screw thread, one end of the bidirectional screw rod 71 penetrates through the mounting base 53, the first rotating member is arranged to be a second rotating disc 72, the second rotating disc 72 is fixedly sleeved at one end of the bidirectional screw rod 71 penetrating through the mounting base 53, the two first sliding blocks 54 are all slidably sleeved on the bidirectional screw rod 71, and the two first sliding blocks 54 are all in threaded connection with the bidirectional screw rod 71. Fixed spacing hoop 55 that is provided with on mount pad 53, adjusting screw 58 is worn to be equipped with by the equal screw thread in both ends of spacing hoop 55, the one end that two adjusting screw 58 are close to each other all rotates and is connected with lantern ring 57, the lateral wall of lantern ring 57 and adjusting screw 58's one end ball joint, connecting rod 56 rotates and wears to establish in lantern ring 57, joint groove 551 has been seted up along the length direction of spacing hoop 55 on the inner wall of spacing hoop 55, lantern ring 57 slides with joint groove 551 and is connected, the outer wall of lantern ring 57 and the inner wall butt of spacing hoop 55, the outer wall of lantern ring 57 is in the diapire butt of joint groove 551.

The implementation principle of the stainless steel pipe production line in the embodiment of the application is as follows: the stainless steel strip is placed on a rack 1, the stainless steel strip is rolled into a cylinder shape by a pipe coiling mechanism 2 in the conveying process of the stainless steel strip, the stainless steel strip is welded by a welding machine to form a stainless steel pipe fitting, a spray head 41 sprays water to the stainless steel pipe fitting to accelerate the cooling of the pipe fitting, the stainless steel pipe fitting is inserted into a first abdicating groove 5141 to be abutted to a driving wheel 514, the driving wheel 514 is driven to rotate by a driving motor 516, the bottom wall of a second abdicating groove 5151 on a driven wheel 515 is abutted to the side wall of the stainless steel pipe fitting, the driven wheel 515 is driven to rotate by the stainless steel pipe fitting in the advancing process, the stainless steel pipe fitting is driven to rotate by the driving wheel 514 and the driven wheel 515 and is conveyed, the stainless steel pipe fitting drives shaping wheels 52 to rotate in the conveying process, the shaping grooves 521 on the two shaping wheels 52 are abutted to the pipe fitting, one end of the stainless steel pipe fitting is abutted to a travel switch 62 in the advancing process, the stainless steel pipe fitting is cut by a cutting machine 61, accomplish the production of stainless steel pipe fitting, press the circle to the stainless steel pipe fitting through the rotation of setting wheel 52 and stereotype, be favorable to making the stainless steel pipe fitting be difficult for producing the deformation in the cooling process to a certain extent, be favorable to improving product quality.

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 (8)

1. The utility model provides a stainless steel pipe production line which characterized in that: including frame (1) and set gradually reelpipe mechanism (2), welding mechanism (3), cooling body (4), pressure circle mechanism (5) and cutting mechanism (6) in frame (1), press circle mechanism (5) including conveyer (51) and at least two the sizing wheel (52) that are used for with the stainless steel pipe fitting butt that are used for conveying the stainless steel pipe fitting, conveyer (51) sets up in frame (1), fixed mount pad (53), two are provided with in frame (1) sizing wheel (52) all rotate and set up on mount pad (53), sizing wheel (52) are gone up and are seted up sizing groove (521) along the circumferential direction of sizing wheel (52).

2. The stainless steel pipe production line of claim 1, wherein: spout (531) have been seted up along the length direction of mount pad (53) on the roof of mount pad (53), slide along the length direction of mount pad (53) in spout (531) and be provided with first slider (54), first slider (54) set up two at least, two sizing wheel (52) rotate respectively and set up on two first sliders (54), be provided with on mount pad (53) and be used for driving two first sliders (54) and be close to each other or drive assembly (7) of keeping away from each other.

3. The stainless steel pipe production line of claim 2, wherein: the first driving assembly (7) comprises a bidirectional screw rod (71) and a first rotating piece used for driving the bidirectional screw rod (71) to rotate, the bidirectional screw rod (71) is rotatably arranged in a sliding groove (531), the two first sliding blocks (54) are slidably sleeved on the bidirectional screw rod (71), and the two first sliding blocks (54) are in threaded connection with the bidirectional screw rod (71).

4. The stainless steel pipe production line of claim 2, wherein: fixed connecting rod (56) that is provided with on first slider (54), it establishes on connecting rod (56) to rotate set wheel (52), the fixed spacing hoop (55) that is provided with on mount pad (53), adjusting screw (58), two are worn to be equipped with by the equal screw thread in both ends of spacing hoop (55) adjusting screw (58) one end that is close to each other all rotates and is connected with the lantern ring (57), connecting rod (56) rotate and wear to establish in the lantern ring (57), the inner wall butt of the lantern ring (57) and spacing hoop (55).

5. The stainless steel pipe production line of claim 1, wherein: conveyer (51) include support (512), second slider (513), action wheel (514), be used for with the stainless steel pipe fitting butt from driving wheel (515) and be used for driving action wheel (514) pivoted driving piece, support (512) are fixed to be set up in frame (1), action wheel (514) rotate and set up on support (512), second slider (513) slide along the direction that is close to or keeps away from frame (1) and set up on support (512), from driving wheel (515) rotate and set up on second slider (513), be provided with on support (512) and be used for driving gliding second drive assembly (511) of second slider (513).

6. The stainless steel tube production line of claim 5, wherein: second drive assembly (511) rotates the piece including rotating screw rod (5111) and being used for the drive to rotate screw rod (5111) pivoted second, it sets up on support (512) to rotate screw rod (5111) rotation, second slider (513) slip cover is established on rotating screw rod (5111), second slider (513) with rotate screw rod (5111) threaded connection, offer guide way (5131) that supply support (512) card to go into on second slider (513), support (512) and guide way (5131) slide and are connected.

7. The stainless steel tube production line of claim 6, wherein: the second rotating part comprises a first rotating disc (5112), and the first rotating disc (5112) is fixedly sleeved on the rotating screw rod (5111).

8. The stainless steel tube production line of claim 5, wherein: first groove of stepping down (5141) has been seted up along the circumferential direction of action wheel (514) on action wheel (514), follow the circumferential direction of driving wheel (515) and seted up second groove of stepping down (5151) on action wheel (515).

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