CN211489088U

CN211489088U - Metal tube forming device

Info

Publication number: CN211489088U
Application number: CN201922375920.2U
Authority: CN
Inventors: 张伟萍
Original assignee: Jinjiang Weiyecheng Metal Products Co ltd
Current assignee: Jinjiang Weiyecheng Metal Products Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-15
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a tubular metal resonator processing field, concretely relates to tubular metal resonator forming device, its characterized in that: the automatic edge roller assembly comprises a base, a material pressing roller, a leveling roller, a feeding flat roller, a flexible vertical roller, an edge roller assembly and a welding device, wherein the flexible flat roller is connected with a driving device through a gear box, the flexible flat roller comprises two supporting frames, each supporting frame is provided with a longitudinal sliding rail, an upper sliding block and a lower sliding block are respectively arranged in the longitudinal sliding rail, an upper roller assembly is rotatably arranged between the upper sliding blocks, a lower roller assembly is rotatably arranged between the lower sliding blocks, the top of each supporting frame is provided with an upper adjusting screw rod connected with the upper sliding block, the bottom of each supporting frame is provided with a lower adjusting screw rod connected with the lower sliding block, the base is provided with a plurality of groups of flexible flat rollers and edge roller assemblies which are sequentially arranged alternately at intervals, the upper roller assembly. The utility model has the advantages of reasonable integral structure, the roll is changed conveniently, and the clearance is convenient for adjust between the top and bottom rolls.

Description

Metal tube forming device

Technical Field

The utility model relates to a tubular metal resonator processing field, specificly relate to a tubular metal resonator forming device.

Background

With the development of industrial technology, thin-wall metal pipe structures have been widely used in many engineering projects, such as pipelines, thermal equipment, machinery industry, containers, chemical industry, special applications, and the like, due to their advantages of light weight, less material consumption, superior appearance and stress performance, and the demand for metal pipe fittings has increased year by year. At present, the main methods for producing the metal pipe comprise roll bending forming, punch forming, drawing forming and the like. Roll bending is the most common method for producing metal pipes, and comprises the steps of carrying out gradual continuous bending forming on metal strips through a pair of horizontal roll sets and vertical roll sets until the metal strips are closed, then welding the metal strips into closed pipes, and finally forming qualified products after carrying out sizing, shaping and straightening on the welded pipes. Roll bending forming is an efficient plate metal forming process, has the advantages of high production efficiency, material saving, energy saving and the like, and is suitable for mass production. The existing roll bending die, namely the upper roll or the lower roll is a whole, when the roll bending die is formed, most of molded surfaces are in contact with a workpiece, the die can be abraded, or the dies with different specifications need to be replaced in order to meet production requirements, the existing die is inconvenient to replace, in addition, the gap between the upper roll and the lower roll can be increased after the die is abraded, and the rolling quality can be influenced if the gap is not adjusted in time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an overall structure is reasonable, and the roll is changed conveniently, the metal pipe forming device of the adjustment of being convenient for in the clearance between the top and bottom roll.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: a metal tube forming device comprises a base, a material pressing roller, a leveling roller, a feeding flat roller, a flexible vertical roller, a flange roller assembly and a welding device, wherein the flexible flat roller is connected with a driving device through a gear box, the flexible flat roller comprises two support frames vertically arranged on the base, each support frame is provided with a longitudinal slide rail, an upper slide block and a lower slide block are respectively arranged in the longitudinal slide rails, an upper roll assembly is rotatably arranged between the two corresponding upper slide blocks, a lower roll assembly is rotatably arranged between the two corresponding lower slide blocks, the top of each support frame is provided with an upper adjusting screw rod connected with the upper slide block, the bottom of each support frame is provided with a lower adjusting screw rod connected with the lower slide block, the upper adjusting screw rod and the lower adjusting screw rod are adopted to adjust the positions of the upper roll assembly and the lower roll assembly and the distance between the upper roll assembly and the lower roll assembly, therefore, when the gap, the positions of the upper roll component and the lower roll component can be adjusted simultaneously, so that the horizontal line of the center of the original rolling forming is consistent, and the gap between the upper roll component and the lower roll component is unchanged, the rolling forming quality is kept, a plurality of groups of flexible flat rolls and flange roll components which are alternately arranged in sequence are uniformly arranged on the base from front to back along the moving direction of the profile, the moving direction of the profile can be better ensured to be stable and not easy to deviate through the arrangement of the flange roll components, in addition, certain auxiliary effect can be realized on the forming shape of the stable profile, the rolling quality is improved, the upper roll component comprises an upper rotating shaft and an upper roll, the upper roll comprises an upper roll core fixedly arranged on the upper rotating shaft and two upper half roll rings which are detachably connected on the upper roll core and can be spliced into a complete upper roll ring, the lower roll component comprises a lower rotating shaft and a lower roll, the lower roll comprises a lower roll core fixedly arranged on the lower rotating shaft and two lower roll cores which are detachably connected on the lower roll The lower half roll collar of a complete lower roll collar is spliced by adopting the structure, the upper roll and the lower roll can be conveniently disassembled and replaced, when the upper roll and the lower roll are worn, or the moulds with different specifications are required to be replaced in order to meet the production requirements, corresponding moulds are required to be replaced in time, the splicing structure is adopted, the mould replacement is simpler, more convenient and faster, the disassembly and assembly support frame is not required, the replacement time is saved, only the upper half roll collar or the lower half roll collar is worn, only the upper half roll collar or the lower half roll collar needs to be replaced, the replacement cost of a wearing part is saved, in addition, the universality of the upper roll core or the lower roll core is better, the whole structure is reasonable, the roll replacement is convenient, the gap between the upper roll and the lower roll is convenient to adjust, in addition, the sections of the upper roll collar and the lower roll collar are provided with the concave-convex shapes which are matched, and the concave-convex shapes of the upper roll and the lower roll are gradually changed from front to back along the motion direction The shapes of the stages are matched, a coupling gap allowing the section bar to pass through is reserved between the upper roller and the lower roller, seven groups of flexible flat rollers are uniformly arranged on the base, and one flexible flat roller is a group.

Furthermore, the outer circumferential surface of the upper roller core or the lower roller core is inwards recessed and forms an annular groove, the inner circumferential surface of the upper roller ring or the lower roller ring is inwards raised and forms a semi-annular convex block matched with the annular groove in shape, two sides of the upper roller core or the lower roller core are respectively provided with a semi-annular base plate, the semi-annular base plate and the semi-annular convex block are respectively provided with a corresponding through hole, the upper roller core or the lower roller core is respectively provided with two positioning holes corresponding to the through holes, the through holes are superposed with the central axes of the corresponding positioning holes and can be inserted with positioning pins for positioning, and two sides of the upper roller or the lower roller are respectively sheathed with a locking ring for fastening the upper roller or the lower roller in a threaded manner, by adopting the structure, the upper roller and the lower roller can be conveniently disassembled and replaced, when the upper roller and the lower roller are worn, or the dies with different specifications need to meet the production requirements, the corresponding die is required to be replaced in time, the die is more convenient and quicker to replace by adopting a structure that an upper roll core and an upper half roll collar or a lower roll core and a lower half roll collar are spliced, a support frame is not required to be disassembled and assembled, and the replacement time is saved.

Furthermore, the bottom of the support frame is provided with a cross beam, one end of a lower adjusting screw rod is connected with a lower sliding block, the other end of the lower adjusting screw rod is a free end and penetrates through the bottom of the cross beam and the support frame and is connected with two lower adjusting nuts, a spring is connected between the lower sliding block and the cross beam and is sleeved on the lower adjusting screw rod, by adopting the structure, the position of the lower sliding block can be adjusted, so that the height of the lower rolling assembly can be adjusted, because the upper roller and the lower roller die can be worn simultaneously in the rolling forming process, if only the position of the upper rolling assembly is adjusted to adjust the gap between the upper rolling roller and the lower roller, the central position of the gap between the upper roller and the lower roller can be changed compared with the prior position, the whole rolling forming process is not on the same horizontal line, the rolling forming quality is influenced, and therefore, when the gap between the upper roller and the lower roller is increased due to wear, the positions of the upper roll assembly and the lower roll assembly need to be adjusted simultaneously, so that the horizontal line of the original roll forming center is consistent.

Furthermore, the flange roller component takes two as a group and is symmetrically arranged at two sides of the movement direction of the profile, the flange roller component comprises a flange roller seat provided with a gap, a sliding block which is movably arranged in the gap and matched with the shape of the gap, a supporting shaft fixedly connected with the upper end surface of the sliding block and a flange roller which is rotatably arranged on the supporting shaft, the flange roller rotates under the action of friction force in the profile forming process, the stability of the movement direction of the profile can be better ensured and the profile is not easy to deviate by arranging the flange roller component, in addition, a certain auxiliary effect can be realized on the forming shape of the stable profile, the rolling quality is improved, one side of the sliding block is connected with a first adjusting screw rod, the first adjusting screw rod penetrates through the flange roller seat and is connected with a first adjusting nut, and the position of the sliding block in the flange roller seat can be adjusted by the action of the first adjusting screw rod and, thereby the distance between two corresponding flange rollers of adjustment ensures the flange roller and the stable contact of section bar forming in-process to play rectifying and stable shaping effect to section bar machine-shaping process.

Further, the top of two corresponding flange roller subassemblies is equipped with the limiting plate, the one end of limiting plate is connected with a back shaft, the other end and another back shaft of limiting plate carry out fixed connection through adjusting screw two, adjusting screw two passes the limiting plate and is connected with adjusting nut two, because the flange roller is that the fixed one end of one end is unsettled, through adopting this structure, can play certain fixed restriction effect to the free end that obtains flange roller subassembly, make the both ends of flange roller all be in relatively fixed state, in the roll-forming in-process, can keep relatively stable extrusion to the section bar in the machine-shaping, make the shaping process more stable, the shaping quality is higher.

Furthermore, the outer circumferential surface of the flange roller is provided with annular grooves, the concave shapes of the annular grooves on the plurality of groups of flange rollers gradually change from front to back along the movement direction of the section bar and are matched with the shapes of the sections in the corresponding stages in the section bar forming process, and by adopting the structure, the concave surfaces of the annular grooves can be in better contact with the forming surface of the section bar, so that certain auxiliary effect on the forming shape of the stable section bar is achieved, in addition, the movement direction of the section bar can be better ensured to be stable, the deviation is not easy to occur, and the rolling forming quality is better.

Further, be equipped with the spray pipe with the corresponding quantity of flexible flat roll on the base, carry out water spray cooling to the roll-in position of flexible flat roll through setting up the spray pipe, roll the in-process and the heat that produces because friction each other between roll and the section bar about reducing, can the wearing and tearing of roll about effectual reduction, the base upper end border all around is equipped with annular water catch bowl, be equipped with the apopore on the annular water catch bowl, through the setting of annular water catch bowl, can collect the water that spouts once more in the tubular metal resonator processing, and flow so that recycle once more through the apopore.

As can be seen from the above description, the utility model provides a metal tube forming device, through adopting last accommodate the lead screw and lower accommodate the lead screw, can be used to adjust the position of rolling up roller set and rolling down roller set and distance each other, therefore, when the clearance between top roll and the lower roll increases because of wearing and tearing, can adjust the position of rolling up roller set and rolling down roller set simultaneously, thereby guarantee with original roll forming central water flat line unanimity and the clearance between rolling up roller set and the rolling down roller set unchangeable, in order to keep the quality of roll forming, through the setting of flange roller set, can be better assurance section bar direction of motion stable, be difficult for the off tracking, in addition also can play certain additional effect to the shaping shape of stable section bar, improve the roll quality, when top roll and lower roll mould are worn, or need to change the mould of different specifications in order to satisfy the production demand, the corresponding die is required to be replaced in time, the die is more convenient and quicker to replace by adopting a structure that the upper roll core and the upper roll collar or the lower roll core are spliced with the lower roll collar, a support frame does not need to be dismounted, and the replacement time is saved.

Drawings

Fig. 1 is a schematic perspective view of the metal tube forming device of the present invention.

Fig. 2 is a schematic perspective view of a flexible flat roller.

Figure 3 is an exploded view of the upper roll assembly.

FIG. 4 is an exploded view of the lower roll assembly.

FIG. 5 is a perspective view of the edge roller assembly.

Fig. 6 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 7 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 8 is a partially enlarged schematic view of C in fig. 1.

In the figure: 1-a base; 11-an annular water collection tank; 12-water outlet; 21-nip rolls; 22-leveling rolls; 23-feeding flat roller; 3-a flange roller assembly; 31-a flange roller seat; 311-notch; 32-a slide block; 33-a support shaft; 34-a flange roller; 341-annular groove; 35-adjusting the screw rod I; 36-adjusting the first nut; 37-a limiting plate; 38-adjusting the screw rod II; 39-adjusting a second nut; 4-flexible flat rolls; 41-a support frame; 411-beam; 42-longitudinal slide rail; 43-upper slide block; 44-lower slide block; 45-upper roll assembly; 451-upper rotating shaft; 452-an upper roll core; 453-upper half roll collar; 46-a lower roll assembly; 461-lower rotating shaft; 462-a lower roll core; 463-lower half roll collar; 47-upper adjusting screw rod; 48-lower adjusting screw rod; 481 — lower adjusting nut; 482-a spring; 5-flexible vertical rolls; 6-a welding device; 7-a gearbox; 8-a water spray pipe; 91-semi-annular backing plate; 92-a locating pin; 93-a locking ring; 94-a through hole; 95-positioning holes; 96-annular groove; 97-semi-circular bump.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1-8, a metal tube forming device, including base 1, nip roll 21, leveling roller 22, feeding flat roll 23, flexible flat roll 4, flexible vertical roll 5, edge-blocking roller assembly 3 and welding set 6, flexible flat roll 4 is connected with drive arrangement through gear box 7, flexible flat roll 4 including upright set up in two support frames 41 on the base 1, each all be equipped with longitudinal slide rail 42 on the support frame 41, be provided with top shoe 43 and lower slider 44 in the longitudinal slide rail 42 respectively, two corresponding rotatable top roll assembly 45 that is provided with between the top shoe 43, two corresponding rotatable bottom roll assembly 46 that is provided with between the lower slider 44, support frame 41 top be equipped with the upper adjusting screw 47 that top shoe 43 is connected, its characterized in that: the bottom of the supporting frame 41 is provided with a lower adjusting screw rod 48 connected with the lower slider 44, the base 1 is uniformly provided with a plurality of groups of the flexible flat rolls 4 and the edge roller assemblies 3 which are sequentially and alternately arranged from front to back along the moving direction of the profile, the upper roll assembly 45 comprises an upper rotating shaft 451 and an upper roll, the upper roll comprises an upper roll core 452 fixedly mounted on the upper rotating shaft 451 and two upper half roll rings 453 which are detachably connected to the upper roll core 452 and can be spliced into a complete upper roll ring, the lower roll assembly 46 comprises a lower rotating shaft 461 and a lower roll, and the lower roll comprises a lower roll core 462 fixedly mounted on the lower rotating shaft 461 and two lower half roll rings 463 which are detachably connected to the lower roll core 462 and can be spliced into a complete lower roll ring. The outer circumferential surface of the upper roll core 452 or the lower roll core 462 is recessed inwards and forms an annular groove 96, the inner circumferential surface of the upper roll ring 453 or the lower roll ring 463 is raised inwards and forms a semi-annular projection 97 matched with the annular groove 96 in shape, two sides of the upper roll core 452 or the lower roll core 462 are respectively provided with a semi-annular backing plate 91, the semi-annular backing plate 91 and the semi-annular projection 97 are respectively provided with a corresponding through hole 94, two positioning holes 95 corresponding to the through holes 94 are respectively formed in the upper roll core 452 or the lower roll core 462, the through holes 94 are overlapped with the central axes of the corresponding positioning holes 95 and can be inserted into positioning pins 92 for positioning, and locking rings 93 used for fastening the upper roll or the lower roll are respectively sleeved on two sides of the upper roll or the lower roll in a threaded manner. The bottom of the support frame 41 is provided with a cross beam 411, one end of the lower adjusting screw rod 48 is connected with the lower sliding block 44, the other end of the lower adjusting screw rod 48 is a free end and penetrates through the cross beam 411 and the bottom of the support frame 41 and is connected with two lower adjusting nuts 481, a spring 482 is connected between the lower sliding block 44 and the cross beam 411, and the spring 482 is sleeved on the lower adjusting screw rod 48. The flange roller component 3 uses two to set up in the both sides of section bar direction of motion as a set of symmetry, the flange roller component 3 including be equipped with breach 311 flange roller seat 31, mobilizable set up in the breach 311 and with breach 311 shape assorted slider 32, fixed connection in the back shaft 33 and the rotatable installation of slider 32 up end in prop up epaxial flange roller 34, one side of slider 32 is connected with adjusting screw 35, adjusting screw 35 passes flange roller seat 31 is connected with adjusting nut 36. Two corresponding limit plates 37 are arranged above the flange roller assemblies 3, one end of each limit plate 37 is connected with one support shaft 33, the other end of each limit plate 37 is fixedly connected with the other support shaft 33 through a second adjusting screw 38, and the second adjusting screw 38 penetrates through the limit plates 37 and is connected with a second adjusting nut 39. Annular grooves 341 are formed in the outer circumferential surface of the edge blocking rollers 34, and the concave shapes of the annular grooves 341 in the multiple groups of edge blocking rollers 34 gradually change from front to back in sequence along the moving direction of the profile and are matched with the shapes of the corresponding stages in the profile forming process. The base 1 is provided with a plurality of spray pipes 8 corresponding to the flexible flat rolls 4, the periphery of the upper end of the base 1 is provided with an annular water collecting groove 11, and the annular water collecting groove is provided with a water outlet hole 12.

The utility model discloses a metal tube forming device's application method as follows: in operation, a strip to be processed sequentially passes through the nip roll 21, the leveling roll 22, the feeding flat roll 23, the flexible flat roll 4, the flexible vertical roll 5 and the welding device 6 to finally form a metal tube, wherein the flexible flat roll 4 plays a key role in the process of gradually rolling the metal tube into a round shape from the strip, the position of the upper roll assembly 45 can be adjusted by adjusting the position of the upper slide block 43 by adopting the upper adjusting screw rod 47, the position of the lower slide block 44 can be adjusted by adopting the lower adjusting screw rod 48 so as to adjust the position of the lower roll assembly 46, therefore, when the gap between the upper roll and the lower roll is increased due to abrasion, the positions of the upper roll assembly 45 and the lower roll assembly 46 can be simultaneously adjusted, thereby ensuring that the horizontal line is consistent with the original roll forming center and the gap between the upper roll assembly 45 and the lower roll assembly 46 is unchanged so as to maintain the roll forming quality, the arrangement of the edge blocking roller component 3 can better ensure that the moving direction of the section bar is stable and the section bar is not easy to deviate, and in addition, the position of the sliding block 32 in the notch 311 on the edge blocking roller seat 31 can be adjusted to play a certain auxiliary role in stabilizing the forming shape of the section bar, so that the rolling quality is improved, the effect of the adjusting screw rod I35 and the adjusting nut I36 is utilized, so that the position of the sliding block 32 in the notch 311 on the edge blocking roller seat 31 can be adjusted, the distance between the two corresponding edge blocking rollers 34 is adjusted, the stable contact between the edge blocking rollers 34 and the section bar forming process is ensured, the deviation rectifying and stable forming effects are realized in the section bar processing and forming process, in addition, when an upper roller and a lower roller die are worn, or dies with different specifications are required to be replaced in order to meet the production requirements, the corresponding dies are required to be replaced in time, and the dies are more convenient and quicker to replace by adopting a structure that the, the replacement time is saved without dismounting and mounting the support frame, and only the upper half roll ring 453 or the lower half roll ring 463 is worn, so that only the upper half roll ring 452 or the lower half roll ring 463 needs to be replaced, and the replacement cost of the wearing parts is saved.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a metal tube forming device, includes base, nip roll, levelling roll, pay-off plain-barreled, flexible edger roll, flange roller set and welding set, flexible plain-barreled is connected with drive arrangement through the gear box, flexible plain-barreled including upright set up in two support frames on the base, each all be equipped with longitudinal slide rail on the support frame, be provided with top shoe and lower slider in the longitudinal slide rail respectively, two are corresponding rotatable be provided with between the top shoe roll set spare, two are corresponding rotatable be provided with down roll set spare between the lower slider, the support frame top be equipped with last accommodate the lead screw that the top shoe is connected, its characterized in that: support frame bottom be equipped with the lower adjusting screw that the lower slider is connected, evenly be equipped with the multiunit along section bar direction of motion from the front to the back in proper order in turn interval arrangement on the base flexible plain-barreled roll with flange roller assembly, it includes pivot and top roll to go up roller assembly, the top roll includes fixed mounting in go up epaxial top roll core and two can dismantle connect in go up the top roll core and can splice into the first half collar of a complete top roll collar, bottom roll assembly includes pivot and lower roll down, the lower roll includes fixed mounting in change epaxial lower roll core and two can dismantle connect in down on the roll core and can splice into the first half collar of a complete lower roll collar.

2. A metal pipe forming apparatus according to claim 1, wherein: the outer circumferential surface of the upper roller core or the lower roller core is inwards recessed and is provided with an annular groove, the inner circumferential surface of the upper roller ring or the lower roller ring is inwards raised and is provided with a semi-annular protruding block matched with the annular groove in shape, two sides of the upper roller core or the lower roller core are respectively provided with a semi-annular base plate, the semi-annular base plate and the semi-annular protruding block are respectively provided with a corresponding through hole, the upper roller core or the lower roller core is respectively provided with two positioning holes corresponding to the through holes, the through holes are superposed with the central axes of the corresponding positioning holes and can be inserted into positioning pins for positioning, and the two sides of the upper roller or the lower roller are respectively sleeved with locking rings for fastening the upper roller or the lower roller in a threaded manner.

3. A metal pipe forming apparatus according to claim 1, wherein: the bottom of the support frame is provided with a cross beam, one end of the lower adjusting screw rod is connected with the lower sliding block, the other end of the lower adjusting screw rod is a free end and penetrates through the cross beam and the bottom of the support frame and is connected with two lower adjusting nuts, a spring is connected between the lower sliding block and the cross beam, and the spring is sleeved on the lower adjusting screw rod.

4. A metal pipe forming apparatus according to claim 1, wherein: the flange roller assembly is characterized in that two flange roller assemblies are symmetrically arranged on two sides of the moving direction of the profile as a group, each flange roller assembly comprises a flange roller seat with a notch, a sliding block movably arranged in the notch and matched with the notch in shape, a supporting shaft fixedly connected to the upper end face of the sliding block and a flange roller rotatably arranged on the supporting shaft, one side of the sliding block is connected with a first adjusting screw rod, and the first adjusting screw rod penetrates through the flange roller seat and is connected with a first adjusting nut.

5. A metal tube forming apparatus according to claim 4, wherein: and limiting plates are arranged above the two corresponding flange roller assemblies, one end of each limiting plate is connected with one supporting shaft, the other end of each limiting plate is fixedly connected with the other supporting shaft through a second adjusting screw rod, and the second adjusting screw rod penetrates through the limiting plates and is connected with a second adjusting nut.

6. A metal tube forming apparatus according to claim 4, wherein: the outer circumferential surface of the flange roller is provided with annular grooves, and the concave shapes of the annular grooves on the flange rollers are gradually changed from front to back along the moving direction of the section bar and are matched with the shapes of the corresponding stages in the section bar forming process.

7. A metal pipe forming apparatus according to claim 1, wherein: the base is provided with a number of spray pipes corresponding to the number of the flexible flat rolls, the periphery of the upper end of the base is provided with an annular water collecting groove, and the annular water collecting groove is provided with water outlet holes.