CN217044299U

CN217044299U - Die changing tool for producing high-frequency welded pipe

Info

Publication number: CN217044299U
Application number: CN202123207934.7U
Authority: CN
Inventors: 林建维
Original assignee: Zhangquan Hardware Product Kunshan Co ltd
Current assignee: Zhangquan Hardware Product Kunshan Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-26
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a die change frock is used in production of high frequency welded pipe, including mould frame, shoulder pole formula mould frame hoist and mount frock, moment formula plain-barreled roll mould loading and unloading frock and shoulder pole formula edger roll mould loading and unloading frock, the mould frame is including sizing section edger roll mould frame, sizing section plain-barreled roll mould frame, shaping section edger roll mould frame and the shaping section plain-barreled roll mould frame that stacks layer upon layer, shoulder pole formula mould frame hoist and mount frock is used for hoisting out of the warehouse and putting in storage with the mould frame, moment formula plain-barreled roll mould loading and unloading frock is used for putting into shape section plain-barreled roll mould and sizing section plain-barreled roll mould and lower carriage, shoulder pole formula edger roll mould loading and unloading frock is used for putting into shape section edger roll mould and sizing section plain-barreled roll mould and lower carriage. The utility model discloses a die change frock and die change method are used in production of high frequency welded tube, but the fast butt joint loading and unloading position and once carry out the loading and unloading of a plurality of moulds.

Description

Die changing tool for high-frequency welded pipe production

Technical Field

The utility model relates to a steel pipe machining technical field, concretely relates to die change frock is used in production of high frequency welded pipe.

Background

The existing high-frequency welded pipe line changing production is preceded by using a travelling crane to carry the whole mould frame to the production line side, because the pipe-making mould has a mesopore shape, so that the mesopore of the mould is installed in the shaft core of the pipe-making unit, therefore, the existing mould frame mostly uses a simple vertical ground rod-shaped structure form as an open frame, or directly puts the mould into a box for stacking, the process is carried out by using a manual carrying mode no matter whether the mould is disassembled or assembled, because the pipe-making mould is single, light, dozens of kilograms and heavy, hundreds of kilograms, the mould changing operation not only causes the waste of the mould changing time cost of multi-person carrying, the mould is more frequently dropped to injure the worker, serious hidden danger exists for the occupational disease injury of the worker for a long time, the existing high-frequency welded pipe mould changing needs a novel tool for flow collocation to be improved. And the pipe-making mould is divided into a forming section mould and a sizing section mould, the distance between the forming section and the sizing section is as high as 40-300 meters, and each section is divided into a flat roller mould and a vertical roller mould, so that synchronous mould changing of each section is realized, and the mould changing time can be saved to the maximum benefit.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a die change frock is used in production of high frequency welded tube can dock the loading and unloading position fast and once carry out the loading and unloading of a plurality of moulds.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high frequency welds pipe production and uses retooling frock, includes mould frame, shoulder pole formula mould frame hoist and mount frock, moment formula plain-barreled roll mould loading and unloading frock and shoulder pole formula edger roll mould loading and unloading frock, the mould frame is including sizing section edger roll mould frame, sizing section plain-barreled roll mould frame, shaping section edger roll mould frame and the shaping section plain-barreled roll mould frame that stacks layer upon layer, shoulder pole formula mould frame hoist and mount frock is used for hoisting out of the warehouse with the mould frame and putting in storage, moment formula plain-barreled roll mould loading and unloading frock is used for putting into frame and lower carriage shaping section plain-barreled roll mould and sizing section plain-barreled roll mould, shoulder pole formula edger roll mould loading and unloading frock is used for putting into frame and lower carriage shaping section plain-barreled roll mould and sizing section plain-barreled roll mould.

Furthermore, the sizing section vertical roll mold frame, the sizing section flat roll mold frame, the forming section vertical roll mold frame and the forming section flat roll mold frame are stacked in sequence from top to bottom.

Further, the flat-roll die rack of section of taking shape, sizing section flat-roll die rack all include the stack frame, the stack frame includes chassis, two side bearers and middle part rack, the middle part rack is located between two side bearers, both ends and two side bearer fixed connection, lower part and chassis fixed connection are equipped with a plurality of flat-roll dies at the equal interval in both sides of middle part support frame and place the pole, the flat-roll die rack dislocation set of both sides, the side bearer is the support that four C type grooved bars enclose, the notch of C type grooved bar is equipped with two couples, two at the both ends symmetry of the horizontal C type grooved bar in upper portion the couple is located C type inslot.

Furthermore, an integrally formed circular table is coaxially arranged at the front end of the flat roller die placing rod, and the diameter of the circular table is smaller than that of the flat roller die placing rod; and an anti-falling stop rod is arranged between the vertical C-shaped groove rods of the two side frames, slots are symmetrically arranged on the two opposite vertical C-shaped groove rods, and two ends of the anti-falling stop rod are inserted into the slots.

Further, the forming section vertical roll mold frame and the sizing section vertical roll mold frame both comprise stacking frames, each stacking frame comprises a support formed by enclosing four C-shaped groove rods through two side frames which are arranged in a mirror symmetry mode, the notches of the C-shaped groove rods face to the outside, two hooks are symmetrically arranged at two ends of the C-shaped groove rod in the transverse direction of the upper portion, and the two hooks are located in the C-shaped grooves; two bottom rods are symmetrically arranged between the two side frames, two ends of each bottom rod are fixedly connected with the transverse C-shaped groove rods at the bottoms of the side frames, and a plurality of upright posts for placing the vertical roller dies are arranged on the two bottom rods at intervals; a blocking rod is connected between the upper transverse C-shaped groove rods of the two side frames.

Furthermore, two clamping blocks are symmetrically arranged at two ends of the upper end face of the transverse C-shaped groove rod at the upper part of the side frame, and the clamping blocks are respectively clamped with the C-shaped grooves of the vertical C-shaped groove rods of the side frame stacked at the upper part of the side frame.

Further, shoulder pole formula mould frame hoist and mount frock includes mould frame jib and is equipped with the mould frame sling chain at mould frame jib both ends the both ends symmetry of mould frame jib up end is equipped with two mould frame lifting pendant, and the both ends symmetry of terminal surface is equipped with two mould frame sling chains and wears to establish the circle under mould frame jib, all is connected with mould frame lifting hook at the both ends of mould frame sling chain, mould frame lifting hook is connected with the couple respectively.

Further, the loading and unloading tool for the torque type flat roll mold comprises a torque suspender and a T-shaped anti-falling bolt, wherein the torque suspender comprises a first vertical part on the upper portion and a second vertical part on the lower portion, the first vertical part and the second vertical part are arranged in a staggered and parallel mode, an inclined part is connected between the lower end of the first vertical part and the upper end of the second vertical part, a mold supporting rod is vertically arranged on the inner side surface of the lower end of the second vertical part, the mold supporting rod is of a hollow structure, two inserting holes are formed in the upper end surface and the lower end surface of the front end part of the mold supporting rod, when the flat roll mold is disassembled and installed, the flat roll axis is inserted into the mold supporting rod, and the T-shaped anti-falling bolt is inserted into the two inserting holes.

Further, shoulder pole formula edger roll mould loading and unloading frock includes edger roll mould jib and the edger roll mould sling chain that is equipped with edger roll mould jib both ends the both ends symmetry of edger roll mould jib up end is equipped with two edger roll mould lifting pendant, and the both ends symmetry of terminal surface is equipped with two edger roll mould sling chains and wears to establish the circle under edger roll mould jib, all is connected with screw thread formula loading and unloading tapered end at the both ends of edger roll mould sling, is equipped with two screws on the up end of edger roll mould, two the relative shaft hole of edger roll mould in screw hole sets up relatively, when dismantling and installing the edger roll mould, two screw thread formula loading and unloading tapered end screw spiro union respectively.

The utility model discloses a high frequency is retooling frock for welded tube production can dock the loading and unloading position fast and once carry out the loading and unloading of a plurality of moulds. In order to achieve the visibility, the safety and the storage performance of the die frame, the die frame is marked with die pass numbers, after a row of dies are loaded, an anti-falling structure is designed, the risk that the dies fall to hurt personnel is improved, each die frame can be disassembled to a forming section and a sizing section line edge according to the synchronous operation requirement, and flat roll and vertical roll die changing operation is simultaneously carried out, two types of delivery tools are matched in the whole process, manual carrying is not needed, and the problems of loading, unloading and conveying of pipe-making dies with weight of tens of kilograms and hundreds of kilograms are solved. The storage performance that the pipe-making mould quantity is numerous and must be taken into account and practice thrift the space is considered, square main part mould frame with possessing stability is proposed, according to segmentation, divide the mode split several mould frame of roller, butt joint and hoist and mount size design unanimity between the mould frame, hoist with safe and convenient colluding the column structure, can be fast with the whole set of four mould frames hang together and move out of the warehouse entry, because up four layers of stacks, the square firm design in chassis, not only possess the visuality between every frame, compromise in safety and storage performance in the lump.

Adopt the utility model discloses a retooling method no matter can realize synchronous operation, saving activity duration and the operation flow of guarantee personnel safety at dismantlement flow or assembly flow, dismantles flow and assembly flow and all uses the utility model discloses mould frame and delivery vehicle that the same cover was designed, hardware reusability is with low costs, and mould storehouse position corresponds fixed high frequency system pipeline greatly, even after single high frequency system pipe product project terminates, because the utility model provides a size parameter of mould frame and delivery vehicle designs according to this unit parameter, so flow standard, mould frame and delivery vehicle can be followed completely.

The utility model provides an extensive high frequency welded tube retooling flow and hardware demand have been considered in the design, consequently no matter all can be general in various big or small high frequency welded tube units and specification and dimension, not only drop into low cost, long-term the use and can not replace at hardware, more possess retooling benefit and storage space, the most important is guarantee staff occupational safety and enterprise property safety.

Drawings

FIG. 1 is a schematic view of the full-filling overall structure of the die change tooling die set for the production of the high-frequency welded pipe of the utility model;

FIG. 2 is a schematic view of the mold changing tooling mold frame empty-loading overall structure for the production of the high-frequency welded pipe of the present invention;

fig. 3 is a schematic diagram of hoisting a blank forming section flat roll die carrier and a forming section vertical roll die carrier in the process of disassembling the die of the utility model;

fig. 4 is a schematic diagram of hoisting a hollow sizing section flat roll die carrier and a sizing section vertical roll die carrier in the process of disassembling the die of the utility model;

FIG. 5 is a first state diagram of a mold dismounting flat roll in the mold dismounting process according to the present invention;

FIG. 6 is a second state diagram of the flat roll mold disassembly process of the present invention;

FIG. 7 is a state diagram of the vertical roller mold disassembly process of the present invention;

fig. 8 is a schematic view of a flat roller mold being loaded into a mold frame during the mold disassembling process according to the present invention;

fig. 9 is a schematic view of a roller mold being loaded into a mold frame during a mold disassembly process in accordance with the present invention;

fig. 10 is a schematic structural view of the shoulder pole type vertical roll mold assembling and disassembling tool of the present invention.

Wherein, 1-1-sizing section vertical roll mould frame, 1-2-sizing section flat roll mould frame, 1-3-forming section vertical roll mould frame, 1-4-forming section flat roll mould frame, 2-carrying pole type mould frame hoisting tool, 3-moment type flat roll mould loading and unloading tool, 4-carrying pole type vertical roll mould loading and unloading tool, 11-stacking frame, 111-bottom frame, 112-side frame, 113-middle placing frame, 114-flat roll mould placing pole, 1121-C type grooved pole, 115-hook, 116-anti-falling blocking pole, 117-slot, 118-bottom pole, 119-upright pole, 120-blocking pole, 121-blocking block, 21-mould frame hanging rod, 22-mould frame hanging chain, 23-mould frame lifting pendant, 24-mould frame hanging chain penetrating ring, 25-a lifting hook of the mould frame,

31-torque hanging rods, 32-T-shaped anti-falling bolts, 311-first vertical parts, 312-second vertical parts, 313-oblique parts, 314-mold supporting rods, 315-inserting holes, 41-vertical roller mold hanging rods, 42-vertical roller mold hanging chains, 43-vertical roller mold lifting hanging pieces, 44-vertical roller mold hanging chain penetrating rings, 45-threaded loading and unloading lock heads, 5-flat roller molds, 6-vertical roller molds, 61-screw holes, 7-flat roller cores, 8-vertical roller cores and 9-mold nameplates.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-9, a die changing tool for high-frequency welded pipe production comprises a die frame, a shoulder pole type die frame hoisting tool 2, a torque type flat roll die assembling and disassembling tool 3 and a shoulder pole type vertical roll die assembling and disassembling tool 4, wherein the die frame comprises a sizing section vertical roll die frame 1-1, a sizing section flat roll die frame 1-2, a forming section vertical roll die frame 1-3 and a forming section flat roll die frame 1-4 which are sequentially stacked from top to bottom, the shoulder pole type die frame hoisting tool 2 is used for hoisting the die frame out of a warehouse and putting the die frame in the warehouse, the torque type flat roll die assembling and disassembling tool 3 is used for putting the forming section flat roll die and the sizing section flat roll die into a frame and putting the forming section flat roll die into a frame, and the shoulder pole type vertical roll die assembling and disassembling tool 4 is used for putting the forming section vertical roll die and the sizing section vertical roll die into a frame and putting the forming frame.

The forming section flat roll mold frame 1-3 and the sizing section flat roll mold frame 1-2 both comprise a stacking frame 11, the stacking frame 11 comprises a bottom frame 111, two side frames 112 and a middle placing frame 113, the middle placing frame 113 is positioned between the two side frames 112, two ends of the middle placing frame are fixedly connected with the two side frames 112, the lower part of the middle placing frame is fixedly connected with the bottom frame 111, a plurality of flat roll mold placing rods 114 are arranged at intervals on two sides of the middle placing frame 113, the flat roll mold placing rods 114 on the two sides are arranged in a staggered manner, the side frames 112 are formed by surrounding of four C-shaped groove rods 1121, notches of the C-shaped groove rods 1121 face outwards, two hooks 115 are symmetrically arranged at two ends of the upper transverse C-shaped groove rod 1121, and the two hooks 115 are positioned in C-shaped grooves; the front end of the flat roll mold placing rod 114 is coaxially provided with an integrally formed circular truncated cone, and the diameter of the circular truncated cone is smaller than that of the flat roll mold placing rod; an anti-falling stop rod 116 is arranged between the vertical C-shaped groove rods 1121 of the two side frames 112, slots 117 are symmetrically arranged on the two opposite vertical C-shaped groove rods 1121, and two ends of the anti-falling stop rod 116 are inserted into the slots 117.

The forming section vertical roll mold frame 1-3 and the sizing section vertical roll mold frame 1-1 both comprise a stacking frame 11, the stacking frame 11 comprises two side frames 112 which are arranged in mirror symmetry and are supports surrounded by four C-shaped groove rods 1121, notches of the C-shaped groove rods 1121 face outwards, two hooks 115 are symmetrically arranged at two ends of the upper transverse C-shaped groove rod 1121, and the two hooks 115 are positioned in the C-shaped groove; two bottom rods 118 are symmetrically arranged between the two side frames 112, two ends of each bottom rod 118 are fixedly connected with a bottom transverse C-shaped groove rod 1121 of each side frame 112, and a plurality of upright columns 119 for placing vertical roller dies are arranged on the two bottom rods 118 at intervals; a spacer bar 120 is connected between the upper transverse C-shaped channel bars 1121 of the two side frames 112.

Two clamping blocks 121 are symmetrically arranged at two ends of the upper end face of a transverse C-shaped groove rod 1121 at the upper parts of the side frames 112 of the sizing section vertical roller die frame 1-1, the sizing section flat roller die frame 1-2, the forming section vertical roller die frame 1-3 and the forming section flat roller die frame 1-4, and the clamping blocks 121 are respectively clamped with C-shaped grooves of vertical C-shaped groove rods 112 of the side frames 112 stacked at the upper parts of the clamping blocks 121.

Shoulder pole formula mould frame hoist and mount frock 2 includes mould frame jib 21 and is equipped with mould frame sling chain 22 at mould frame jib 21 both ends the both ends symmetry of mould frame jib 21 up end is equipped with two mould frame lifting pendant 23, and the both ends symmetry of terminal surface is equipped with two mould frame sling chains and wears to establish circle 24 under mould frame jib 21, all is connected with mould frame lifting hook 25 at the both ends of mould frame sling chain 22, mould frame lifting hook 25 is connected with couple 115 respectively.

The torque type flat roll mold loading and unloading tool 3 comprises a torque suspender 31 and a T-shaped anti-falling plug pin 32, wherein the torque suspender 31 comprises a first vertical part 311 on the upper portion and a second vertical part 312 on the lower portion, the first vertical part 311 and the second vertical part 312 are arranged in a staggered and parallel mode, an inclined part 313 is connected between the lower end of the first vertical part 311 and the upper end of the second vertical part 312, a mold supporting rod 314 is vertically arranged on the inner side face of the lower end of the second vertical part 312, the mold supporting rod 314 is of a hollow structure, two plug holes 315 are oppositely arranged on the upper end face and the lower end face of the front end part of the mold supporting rod 314, when a flat roll mold is disassembled and installed, a flat roll shaft core is inserted into the mold supporting rod 314, and the T-shaped anti-falling plug pin 32 is inserted into the two plug holes 315.

Carrying pole formula edger roll mould loading and unloading frock 4 includes edger roll mould jib 41 and is equipped with edger roll mould sling 42 at edger roll mould jib 41 both ends symmetry is equipped with two edger roll mould lifting hanger 43, and the both ends symmetry of terminal surface is equipped with two edger roll mould sling and wears to establish circle 44 under edger roll mould jib 41, all is connected with screw formula loading and unloading tapered end 45 at the both ends of edger roll mould sling 42, is equipped with two screw 61 on the up end of edger roll mould 6, two screw 61 sets up relatively the shaft hole of edger roll mould 6, and when dismantling and installing edger roll mould 6, two screw formula loading and unloading tapered end 45 screw 61 spiro union respectively.

The die changing method of the die changing tool for producing the high-frequency welded pipe comprises a die disassembling process and a die assembling process, wherein the die disassembling process comprises the following steps:

s1, unloading and splitting the empty mold frame: lifting and delivering the stacked forming section flat roll mold frame 1-3, forming section vertical roll mold frame 1-4, sizing section flat roll mold frame 1-2 and sizing section vertical roll mold frame 1-1 out of the warehouse at one time; then, the lower two layers are sequentially conveyed to a forming section and the upper two layers are conveyed to a sizing section by using a shoulder pole type mould frame hoisting tool 2;

s2, unloading and conveying the flat roll and the vertical roll in the forming section: the method comprises the following steps of (1) dismounting a flat roll mold 5 of a forming section and a sizing section from a machine set by using a torque type flat roll mold dismounting tool 3, inserting an anti-falling bolt 32 before being hoisted to a mold frame, pulling the anti-falling bolt 32 when being transported to the mold frame, then inserting a stepped structure at the front end of a flat roll mold placing rod 114 into a shaft hole of the flat roll mold, completely pushing the flat roll mold 5 onto the flat roll mold placing rod 114, and finally installing an anti-falling stop rod 116;

s3, vertical roll demolding and conveying: the shoulder pole type vertical roll mold assembling and disassembling tool 4 is used for disassembling the vertical roll mold 6 of the forming section and the sizing section from the unit, then the vertical roll mold is placed on the upright column 119 corresponding to the mold frame, and finally the threaded assembling and disassembling lock head 45 is disassembled;

s4, storing the die rack: after all the molds of the forming section and the sizing section are arranged in the mold frame, respectively stacking the forming section flat roll mold frame 1-3 and the forming section vertical roll mold frame 1-4 at the forming section; stacking a sizing section flat roll mold frame 1-2 and a sizing section vertical roll mold frame 1-1 at a sizing section, and then, after stacking all the four layers of mold frames, using a shoulder pole type mold frame hoisting tool 2 to store the whole group of mold frames in a warehouse;

the mold assembly process comprises the following steps:

s5, unloading and splitting the die rack: conveying the whole set of fully-filled mold frames out of a warehouse by using a shoulder pole type mold frame hoisting tool 2, and then respectively splitting a sizing section flat roll mold frame 1-2 and a sizing section vertical roll mold frame 1-1 of a sizing section of a forming section, a forming section flat roll mold frame 1-3 and a forming section vertical roll mold frame 1-4 to the sizing section and the forming section;

s6, mold extraction:

s61, taking out the flat roller mold 5 from the mold frame: firstly, the anti-falling stop lever 116 is taken down, the flat roll mould 5 of the forming section and the sizing section is taken out of the mould frame by using the torque type flat roll mould assembling and disassembling tool 3, and then the flat roll mould 5 is assembled on the flat roll shaft core 7;

s62, taking out the vertical roller mold 6 from the mold frame: firstly, locking the vertical roller mould and the threaded loading and unloading lock head 45, then hoisting the mould, taking the vertical roller mould 6 of the forming section and the sizing section out of the mould frame by using the shoulder pole type vertical roller mould loading and unloading tool 4, hoisting the corresponding vertical roller shaft core 8, and finally unloading the threaded loading and unloading lock head 45;

s7, storing the empty mold frame: after the forming section and the sizing section are assembled into a unit, respectively stacking empty forming section flat roll mold frames 1-2 and empty forming section vertical roll mold frames 1-1 at the forming section; and at the sizing section, stacking the empty sizing section flat roll mold frames 1-3 and the sizing section vertical roll mold frames 1-4, stacking all the four layers of empty mold frames, and storing the whole group of mold frames in a warehouse by using a shoulder pole type mold frame hoisting tool.

The torque type flat roll mold assembling and disassembling tool can be directly sleeved into a flat roll shaft core 7 of a manufactured group due to the design of a hollow structure, only the flat roll mold 5 needs to be pulled into the torque type flat roll mold assembling and disassembling tool, and when the torque type flat roll mold assembling and disassembling tool pulls out the flat roll shaft core, the torque type flat roll mold assembling and disassembling tool is designed with a back-bending moment gravity center; the moment type flat roll die assembling and disassembling tool is provided with a moment type flat roll die assembling and disassembling anti-falling bolt, so that the conveying process is safer.

When the vertical roll unloads the mould and transports, when the section of taking shape (the sizing section is the same) vertical roll mould is unloaded from the unit, shoulder pole formula vertical roll mould loading and unloading frock is according to unit design size, and the hoist and mount of once unloading the mould can be gone on to twice or several moulds in step, and shoulder pole formula vertical roll mould threaded loading and unloading tapered end of shoulder pole formula vertical roll mould loading and unloading frock below can rotate into vertical roll mould screw in, once hoist several moulds, and its quantity of hoisting can be designed according to the demand, and the unloading efficiency promotes more and solves the manual handling problem.

The flat roll mold frame is designed with a forming section flat roll mold anti-falling structure, and the forming section flat roll mold frame anti-falling stop lever is placed in the structure to prevent the risk of mold falling.

When the edger roll mould was packed into the mould frame, when the section of taking shape (the sizing section is the same) edger roll mould was packed into the mould frame, the section of taking shape edger roll mould frame was according to the same interval size of shoulder pole formula edger roll mould loading and unloading frock design, only need put into the structure of putting of edger roll mould in the tablet is marked to the section of taking shape edger roll mould, with shoulder pole formula edger roll mould screw thread formula loading and unloading tapered end lift off can, because of the structural design is put to the edger roll mould for vertical structure, the focus down does not have the risk of inclining when the mould was put into, once unload mould quantity can be directed against twice or several mould designs, mould dress frame efficiency promotes and solves artifical transport problem more.

When the flat roll mould is conveyed and used for upper mould, when the flat roll mould in the forming section (the diameter fixing section is same) is pulled out of the mould frame, the rectangular flat roll mould assembling and disassembling tool is designed into a hollow structure, so that the flat roll mould can be directly sleeved into the flat roll core of the manufacturing set when the mould is assembled, and the flat roll mould only needs to be pushed into the flat roll core of the manufacturing set from the rectangular flat roll mould assembling and disassembling tool.

Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high frequency welded tube production is with retooling frock, its characterized in that, includes mould frame, shoulder pole formula mould frame hoist and mount frock, moment formula plain-barreled roll mould loading and unloading frock and shoulder pole formula edger roll mould loading and unloading frock, the mould frame is including sizing section edger roll mould frame, sizing section plain-barreled roll mould frame, shaping section edger roll mould frame and the shaping section plain-barreled roll mould frame that stacks layer upon layer, shoulder pole formula mould frame hoist and mount frock is used for hoisting out of the warehouse and putting in storage with the mould frame, moment formula edger roll mould loading and unloading frock is used for putting in shaping section plain-barreled roll mould and sizing section plain-barreled roll mould and lower carriage, shoulder pole formula edger roll mould loading and unloading frock is used for putting in shaping section edger roll mould and sizing section plain-barreled roll mould and lower carriage.

2. The die changing tool for producing the high-frequency welded pipe according to claim 1, wherein the sizing section vertical roll die frame, the sizing section flat roll die frame, the forming section vertical roll die frame and the forming section flat roll die frame are stacked in sequence from top to bottom.

3. The die changing tool for the production of the high-frequency welded pipe according to claim 2, wherein the forming section flat roll die frame and the sizing section flat roll die frame comprise stacking frames, each stacking frame comprises a bottom frame, two side frames and a middle placing frame, the middle placing frame is located between the two side frames, two ends of each stacking frame are fixedly connected with the two side frames, the lower portion of each stacking frame is fixedly connected with the bottom frame, a plurality of flat roll die placing rods are arranged on two sides of the middle supporting frame at intervals, the flat roll die placing frames on the two sides are arranged in a staggered mode, the side frames are formed by surrounding of four C-shaped grooved rods, notches of the C-shaped grooved rods face outwards, two hooks are symmetrically arranged at two ends of the upper transverse C-shaped grooved rod, and the two hooks are located in C-shaped grooves.

4. The die changing tool for producing the high-frequency welded pipe according to claim 3, wherein an integrally formed circular truncated cone is coaxially arranged at the front end of the flat roller die placing rod, and the diameter of the circular truncated cone is smaller than that of the flat roller die placing rod; anti-falling blocking rods are arranged between the vertical C-shaped groove rods of the two side frames, inserting grooves are symmetrically formed in the two opposite vertical C-shaped groove rods, and two ends of each anti-falling blocking rod are inserted into the inserting grooves.

5. The die changing tool for producing the high-frequency welded pipe according to claim 3, wherein each of the forming section vertical roll die holder and the sizing section vertical roll die holder comprises a stacking frame, the stacking frame comprises two side frames which are arranged in a mirror symmetry mode and are a support formed by four C-shaped groove rods in a surrounding mode, notches of the C-shaped groove rods face to the outside, two hooks are symmetrically arranged at two ends of the C-shaped groove rod in the upper transverse direction, and the two hooks are located in a C-shaped groove; two bottom rods are symmetrically arranged between the two side frames, two ends of each bottom rod are fixedly connected with a transverse C-shaped groove rod at the bottom of each side frame, and a plurality of stand columns for placing vertical roller molds are arranged on the two bottom rods at intervals; a blocking rod is connected between the upper transverse C-shaped groove rods of the two side frames.

6. The die changing tool for producing high-frequency welded pipes as claimed in claim 5, wherein two clamping blocks are symmetrically arranged at two ends of the upper end surface of the transverse C-shaped groove rod at the upper part of the side frame, and the clamping blocks are respectively clamped with the C-shaped grooves of the vertical C-shaped groove rods of the side frame stacked at the upper part of the clamping blocks.

7. The die changing tool for producing high-frequency welded pipes according to claim 5, wherein the shoulder pole type die frame hoisting tool comprises a die frame suspender and die frame suspension chains provided with two ends of the die frame suspender, two die frame lifting hangers are symmetrically arranged at two ends of the upper end surface of the die frame suspender, two die frame suspension chain penetrating rings are symmetrically arranged at two ends of the lower end surface of the die frame suspender, die frame suspension hooks are connected to two ends of the die frame suspension chains, and the die frame suspension hooks are respectively connected with a hook.

8. The die changing tool for the production of the high-frequency welded pipe according to claim 5, wherein the torque type flat roll die assembling and disassembling tool comprises a torque hanging rod and a T-shaped anti-falling bolt, the torque hanging rod comprises a first vertical part at the upper part and a second vertical part at the lower part, the first vertical part and the second vertical part are arranged in a staggered parallel mode, an inclined part is connected between the lower end of the first vertical part and the upper end of the second vertical part, a die supporting rod is vertically arranged on the inner side face of the lower end of the second vertical part, the die supporting rod is of a hollow structure, two inserting holes are oppositely formed in the upper end face and the lower end face of the front end part of the die supporting rod, when the flat roll die is disassembled and assembled, the axis of a flat roll is inserted into the die supporting rod, and the T-shaped anti-falling inserting pin is inserted into the two inserting holes.

9. The die changing tool for the production of the high-frequency welded pipes according to claim 5, wherein the shoulder pole type vertical roll die assembling and disassembling tool comprises a vertical roll die suspender and vertical roll die lifting chains provided at two ends of the vertical roll die suspender, two vertical roll die lifting hangers are symmetrically arranged at two ends of the upper end face of the vertical roll die suspender, two vertical roll die lifting chain penetrating rings are symmetrically arranged at two ends of the lower end face of the vertical roll die suspender, threaded assembling and disassembling lock heads are connected to two ends of the vertical roll die lifting chains, two screw holes are arranged on the upper end face of the vertical roll die, the two screw holes are oppositely arranged relative to the shaft hole of the vertical roll die, and the two threaded assembling and disassembling lock heads are respectively in screw connection with the screw holes when the vertical roll die is disassembled and assembled.