CN210253633U - Metal hose forming machine - Google Patents

Abstract

The utility model discloses a metal hose make-up machine, which comprises a frame, die mould mechanism and coiling forming mechanism, the material area is through coiling forming mechanism winding shaping behind the die mould mechanism shaping, die mould mechanism includes the extension board, the multiunit roll, the extension board is installed in the frame, every group roll includes upper round and lower wheel, upper round and lower wheel pass through die mould wheel main shaft and install in the extension board, the surface of upper and lower wheel is equipped with the mould structure with material area pressure forming, coiling forming mechanism is including the design platen, the forming wheel, the winding subassembly, the design platen is installed in the frame, the forming wheel is installed in the design platen, and the lateral wall of forming wheel main shaft perpendicular to design platen, the winding subassembly is equipped with the multiunit and distributes around the forming wheel, the winding subassembly is connected with actuating mechanism, actuating mechanism's the other end is. The utility model discloses collect shaping in earlier stage and later stage coiling as an organic whole, the debugging of being convenient for, the production power consumption is few, efficient, and the winding of the 3S type metal collapsible tube that this make-up machine produced targets in place, and is flexible good.

Description

Metal hose forming machine

Technical Field

The utility model relates to a metal collapsible tube's processing equipment's technical field, more specifically relates to metal collapsible tube make-up machine.

Background

The metal hose is formed by fastening stainless steel bands, is used as a flexible element in an automobile exhaust system, and plays roles in absorbing and slowing down vibration and displacement of the exhaust system and compensating installation tolerance of the system. The metal hose is applied to an automobile exhaust system, so that the damage to the whole exhaust system caused by engine vibration can be effectively reduced, the system arrangement is optimized, the service life of the system is prolonged, and meanwhile, the assembly of the exhaust system is simple and easy.

The 2S-shaped metal hose is a double-layer inner buckling type structure, and as shown in figure 1, the stretching and flexible bending of the 2S-shaped metal hose are completed by the mutual sliding of two S-shaped buckles. And the export commercial car of domestic production all must adopt 3S type structure metal collapsible tube (as shown in figure 2), and 3S type structure metal collapsible tube' S gas tightness is better, and the flexibility is better, adopts this structure can reach stricter environmental protection standard, and the metal collapsible tube life of this structure is longer. The 3S-shaped metal hose used in China is imported from foreign countries basically, and the cost is very high. The 2S-type metal hose and the 3S-type metal hose have different structures, so that a processing device for producing the 2S-type metal hose cannot produce the 3S-type metal hose, and therefore, a device for producing the 3S-type metal hose is urgently needed to be developed.

The metal hose with the 3S-shaped structure is formed in the early stage and wound in the later stage, and the problems that the winding is ensured to be in place and the flexibility of a product is ensured in the production process are solved. In addition, the highest value is created with the minimum production cost in consideration of the continuity of processing.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a collect shaping in earlier stage and later stage coiling metal collapsible tube make-up machine as an organic whole, the debugging of being convenient for, the production power consumption is few, efficient, and the metal collapsible tube winding of the 3S type structure that this make-up machine produced targets in place, and is flexible good.

According to one aspect of the utility model, a metal hose forming machine is provided, which comprises a frame, a profiling mechanism and a winding forming mechanism, wherein the profiling mechanism is arranged on the frame along the conveying direction of the material belt, and the material belt is formed by the profiling mechanism and then wound by the winding forming mechanism; the profiling mechanism comprises a support plate and a plurality of groups of rollers which are distributed in two rows in an up-down corresponding mode, the support plate is arranged on the rack, each group of rollers comprises an upper wheel and a lower wheel, the upper wheel and the lower wheel are arranged on the support plate through a profiling wheel main shaft, and the surfaces of the upper wheel and the lower wheel are provided with a die structure for profiling the material belt; the winding forming mechanism comprises a forming platen, forming wheels and winding assemblies, the forming platen is mounted on the frame, the forming wheels are mounted on the forming platen through forming wheel main shafts, the forming wheel main shafts are perpendicular to the side wall of the forming platen, the winding assemblies are provided with a plurality of groups and distributed around the forming wheels, the winding assemblies are connected with driving mechanisms, and the other ends of the driving mechanisms are connected with the pressing wheel main shafts and drive the upper wheels and the lower wheels to rotate.

From this, on, the surface of bottom wheel is equipped with the mould structure with material belt pressure forming, actuating mechanism can drive simultaneously about the bottom wheel rotatory with the winding assembly, the material belt is earlier on the multiunit, bottom wheel roll forming, then the initiating terminal in material belt winds to the shaping wheel on, the winding assembly supports the material belt of treating the coiling, it is rotatory that the drive forming wheel is rotatory when the winding assembly is rotatory, the material belt of treating the coiling carries out spiral interlock winding shaping through winding assembly and shaping wheel, the material belt lasts to get into between the bottom wheel, by the roll-in shaping after, get into winding forming mechanism spiral interlock winding shaping, the metal hose after the coiling moves out along the shaping wheel outside gradually. The driving mechanism synchronously drives the rolling forming and the winding forming, thereby saving production energy and ensuring the continuity of the production process.

In some embodiments, the winding assembly comprises a winding pressing wheel, a pressing wheel seat, a connecting rod and a base, the connecting rod is penetratingly mounted on the base, one end of the connecting rod close to the forming wheel is connected with the pressing wheel seat, the winding pressing wheel is mounted on the pressing wheel seat, the axis of the winding pressing wheel is perpendicular to the side wall of the shaping platen, and the other end of the connecting rod is sleeved with a spring. Therefore, the end part of the material belt is wound on the forming wheel and is pressed by a winding pressing wheel, then the material belt is gradually guided to a gap between each winding pressing wheel and the forming wheel in the running process of the equipment, and the material belt is spirally occluded and wound for forming; the other end of the connecting rod is sleeved with a spring, so that when the metal hose is wound, the spiral is meshed in place and cannot be pressed, the produced metal hose can stretch, and the metal hose is good in air seal and flexibility.

In some embodiments, the actuating mechanism includes the power supply, the transmission shaft connecting rod, link assembly and gear train, the transmission shaft connecting rod is horizontal placement and installs in the frame, the power supply is installed in the frame and is driven the transmission shaft connecting rod rotatory, first drive sprocket is installed respectively at the both ends of transmission shaft connecting rod, the second drive sprocket, first drive sprocket passes through first chain connection die mould wheel main shaft, the axle center of coiling pinch roller is connected to link assembly's one end, link assembly's the other end passes a back mainboard and connects the gear train, the gear train is equipped with second driven sprocket, the second drive sprocket passes through the second chain and connects second driven sprocket. Therefore, the power source drives the transmission shaft connecting rod to rotate, the transmission is realized in a chain and chain wheel mode, and the main shaft of the profiling wheel of the profiling mechanism is driven to rotate so as to drive the upper wheel and the lower wheel; meanwhile, the gear set is driven to rotate through the rotation of the second driven chain wheel, the gear set drives the connecting rod assembly to rotate, and the connecting rod assembly drives the winding pinch roller to rotate.

In some embodiments, the connecting rod assembly comprises a link shaft, a first connecting rod and a second connecting rod, wherein both ends of the link shaft are respectively connected with the first connecting rod and the second connecting rod through universal sleeves, the first connecting rod is connected with the winding pressing wheel, and the second connecting rod is connected with the gear set. Therefore, the connecting rod assembly is designed in a sectional mode, the universal sleeve can be used for fixing one side of the gear set, and a movable gap is formed in one end connected with the winding pressing wheel.

In some embodiments, the winding assembly and the connecting rod assembly are provided with four groups, each gear group comprises a driving gear and four driven gears, the driving gear is mounted on the side wall of the rear main plate through a gear shaft, the second driven chain wheel is connected with the gear shaft, the four driven gears are connected with the second connecting rod, and the four driven gears are meshed with the driving gear. From this, the second driven sprocket drives the gear shaft and rotates, and then drives the driving gear and rotates, and the driving gear meshes with four driven gears, and the second connecting rod that links to each other with driven gear rotates to the drive coiling pinch roller.

In some embodiments, four winding assemblies are distributed in an annular array with respect to the axis of the forming wheel, referred to as winding assembly a, winding assembly B, winding assembly C, and winding assembly D, respectively, winding assembly a being located above the forming wheel, winding assembly C being located below the forming wheel, winding assembly B being located to the left of the forming wheel, winding assembly D being located to the right of the forming wheel, the center of the winding pressure wheel of winding assembly A, B, C, D being progressively further away from the forming platen in the vertical direction. From this, the winding assembly has four groups, evenly distributed in the position about the upper and lower of forming wheel, carries out spiral interlock coiling shaping to the material area from four directions, and the center of winding pressing wheel of winding assembly A, B, C, D is for the design platen and is progressively keeping away from the form, the spiral coiling shaping of being convenient for, the metal hose after also being convenient for the shaping moves out gradually along the forming wheel outside.

In some embodiments, the profiled wheel spindles of the lower wheel are each provided with a coaxial sprocket, adjacent coaxial sprockets being connected by a third chain, the profiled wheel spindle of the lower wheel adjacent to the coil forming mechanism being mounted with a first driven sprocket, the first chain connecting the first driven sprocket and the first drive sprocket. From this, the first drive sprocket on the transmission shaft connecting rod is rotatory, drives first driven sprocket through first chain and rotates, and the coaxial sprocket coaxial with first driven sprocket rotates thereupon, and the die mould wheel main shaft of each lower wheel passes through the third chain drive, and the lower wheel is rotatory, and the material area gets into in the clearance between the upper and lower wheel, and the lower wheel can drive the material area and advance and the upper wheel is rotatory.

In some embodiments, the number of the support plates is two, two ends of a main shaft of the profiling wheel for mounting the lower wheel respectively penetrate through the two support plates, two ends of the main shaft of the profiling wheel for mounting the upper wheel are mounted on the support plates through profiling sliders, a cross rod is erected above the profiling sliders and provided with a spinning rod, the spinning rod is in threaded fit with the cross rod, a hanging table is arranged at the bottom of the spinning rod, a T-shaped groove is formed in the upper portion of the profiling slider, and the hanging table is located in the T-shaped groove. From this, rotating spinning rod, spinning rod can reciprocate for the horizontal pole, and the string platform of spinning rod bottom acts on the T type inslot of die mould slider, and the string platform can be used for pressing at the tank bottom in T type groove, also can utilize the string platform to hoist die mould slider wholly upwards, and this structure has realized the micro-adjustment of upper wheel position, is convenient for process the material area of different thickness, also is for the ease of debugging installation, reduces the machining precision requirement.

In some embodiments, the shaping platen is provided with a positioning assembly, the positioning assembly comprises a positioning wheel, a positioning wheel seat and a positioning block, the positioning block is L-shaped, the positioning block is provided with a kidney-shaped hole, the positioning wheel is mounted on the positioning wheel seat, the positioning wheel seat is connected to the positioning block, and the axis of the positioning wheel is perpendicular to the side wall of the shaping platen. The material belt is guided to the winding forming mechanism from the profiling mechanism, a positioning assembly is arranged on the path, and the material belt passes below the rotatable positioning wheel so as to limit the position of the material belt and correctly guide the material belt.

In some embodiments, there are seven sets of rollers distributed in two rows corresponding to each other, and the mold structures on the surfaces of the upper and lower wheels are sequentially a leveling mold, a raising mold, a raised heightening mold, a step forming mold, an oblique bending mold, a 90-degree bending mold and an oblique inner buckling mold. Therefore, the seven groups of rollers form a set of continuous die structure, the material belt is leveled, the protrusions are preliminarily punched and positioned, the protrusions are gradually increased to the required height in the follow-up process, the process points are processed through step forming and oblique bending, the preparation is made for the follow-up formation of the lock catch structure of the inner buckle, the formed protrusions are punched and inclined, the formed protrusions and the lock catch of the inner buckle are formed, and the formed protrusions and the lock catch of the inner buckle are spirally occluded and wound in the follow-up winding forming mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: the metal hose forming machine provided by the utility model has compact structure, the driving mechanism utilizes the transmission shaft connecting rod, the chain wheel and the gear transmission, realizes the synchronous motion of the profiling mechanism and the winding forming mechanism, and realizes the maximum utilization of energy; seven groups of continuous die structures formed by continuous rolling are prepared for subsequent spiral meshing and winding to form a 3S-shaped structure metal hose, the design is ingenious, and in order to adjust the distance between the upper wheel and the lower wheel, the upper wheel is installed by means of a profiling sliding block and the position of the upper wheel is finely adjusted by combining with a hanging table; four groups of winding assemblies are from four directions about the upper and lower of shaping wheel to be gradually keeping away from the form for the design platen, carry out spiral interlock coiling shaping to the material area, winding assembly is provided with the spring, makes when coiling, and the spiral interlock targets in place and can not die, and the metal hose after the shaping gradually moves out along the shaping wheel outside, and the metal hose of producing can stretch out and draw back, and the gas tightness is good, and is flexible good.

Drawings

FIG. 1 is a schematic structural view of a metal hose of a 2S-shaped structure;

FIG. 2 is a schematic structural view of a 3S-shaped structural metal hose;

FIG. 3 is a schematic perspective view of one embodiment of a metal hose forming machine;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of the drive mechanism;

FIG. 6 is a schematic structural view of the winding assembly;

FIG. 7 is a schematic structural view of the connecting rod assembly;

FIG. 8 is a schematic view of the installation structure of the profiling slider, the cross bar and the spinning rod;

FIG. 9 is a schematic structural view of the positioning assembly;

FIG. 10 is a schematic view of the structure of a plurality of sets of rolls;

FIG. 11 is a schematic view of the construction of the winding and profiling wheel;

FIG. 12 is a schematic view of the positioning wheel.

Detailed Description

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

As shown in fig. 3 and 4, the metal hose forming machine of an embodiment, including frame 1, die mould mechanism 2 and coiling forming mechanism 3, die mould mechanism 2 locates the direction of carrying along the material area in frame 1, and the material area is through coiling forming mechanism 3 winding shaping behind the shaping of die mould mechanism 2.

The profiling mechanism 2 comprises a support plate 21 and a plurality of groups of rollers 22 which are arranged on the support plate 21 and are distributed in two rows up and down correspondingly. The support plate 21 is provided with two support plates, and the support plate 21 is fixedly arranged on the frame 1 through bolts. Each group of rollers 22 comprises an upper wheel 221 and a lower wheel 222, wherein the centers of the upper wheel 221 and the lower wheel 222 are respectively provided with a profiling wheel spindle 23, the two ends of the profiling wheel spindle 23 penetrate through the support plate 21, and the surfaces of the upper wheel (221) and the lower wheel (222) are provided with a die structure for molding the material belt in a pressing mode.

As shown in fig. 10, there are seven sets of rollers 22 distributed in two rows corresponding to each other, and the mold structures on the surfaces of the upper and lower wheels (221, 222) are a leveling mold, a raising and heightening mold, a step forming mold, an oblique bending mold, a 90-degree bending mold, and an oblique inner buckle mold in this order. The material belt forming changes between the upper and lower wheels (221, 222) are shown. The seven groups of rollers 22 form a set of continuous die structure, the material belt is leveled, the protrusions are initially punched and positioned, the protrusions are gradually increased to the required height in the follow-up process, the process points are processed through step forming and oblique bending, preparation is made for the follow-up formation of the lock catch structure of the inner buckle, the formed protrusions are punched and inclined, the formed protrusions and the lock catch of the inner buckle are formed, and the formed protrusions and the lock catch of the inner buckle are spirally occluded and wound in the follow-up winding forming mechanism 3.

As shown in fig. 3, the winding forming mechanism 3 includes a shaping platen 31, a forming wheel 32, and a winding assembly 33. The shaping platen 31 is fixedly mounted on the frame 1 through bolts, a shaping wheel spindle 321 is mounted at the center of the shaping wheel 32, the shaping wheel spindle 321 is mounted on the shaping platen 31, and the shaping wheel spindle 321 is perpendicular to the side wall of the shaping platen 31. The winding assemblies 33 are provided with a plurality of groups and distributed around the forming wheel 32, the winding assemblies 33 are connected with a driving mechanism 4, and the other end of the driving mechanism 4 is connected with the main shaft 23 of the forming wheel and drives the upper wheel (221) and the lower wheel (222) to rotate.

The material belt continuously enters between the upper wheel 222 and the lower wheel 222, is firstly rolled and molded by a plurality of groups of upper wheels (221) and lower wheels (222), the starting end of the material belt winds on the molding wheel 32, the winding assembly 33 supports against the material belt to be wound, and the molding wheel 32 is driven to rotate when the winding assembly 33 rotates. The material belt to be wound is spirally engaged and wound by the winding assembly 33 and the forming wheel 32, and the wound metal hose gradually moves outwards along the forming wheel 32. The driving mechanism 4 synchronously drives the roll forming and the winding forming, thereby saving production energy and ensuring the continuity of the production process.

As shown in fig. 3 and 6, winding assembly 33 includes a winding pinch roller 331 (shown in fig. 11), a pinch roller mount 332, a connecting rod 333, and a base 334. The connecting rod 333 is sleeved with a sleeve 336 and is mounted to the base 334 in a penetrating manner. The base 334 may be a two-part split design, with the base 334 being bolted to the side walls of the sizing platen 31. One end of the connecting rod 333 close to the forming wheel 32 is connected with a pressing wheel seat 332, the winding pressing wheel 331 is rotatably mounted on the pressing wheel seat 332, the axle center of the winding pressing wheel 331 is vertical relative to the side wall of the shaping bedplate 31, and the other end of the connecting rod 333 is sleeved with a spring 335 and locked by a nut 337. The end of the strip of material is wound around the forming wheel 32 and is pressed by a winding pinch wheel 331, and then, during operation of the apparatus, the strip of material is guided stepwise to the space between each winding pinch wheel 331 and the forming wheel 32, the strip of material being spirally engaged and wound. The other end of the connecting rod 333 is sleeved with a spring 335, so that spiral meshing in place is guaranteed and the metal hose cannot be pressed down during winding, and the produced metal hose can stretch, is good in air sealing and flexibility.

As shown in fig. 2 and 5, the drive mechanism 4 includes a power source 41, a drive shaft link 42, a link assembly 43, and a gear set 44. The transmission shaft connecting rod 42 is horizontally arranged, and two bearing seats 421 are arranged on the transmission shaft connecting rod 42 to mount the transmission shaft connecting rod 42 on the frame 1. The power source 41 comprises a three-box asynchronous motor 411 and an electromagnetic speed regulating motor 412, wherein the three-box asynchronous motor 411 is connected with the electromagnetic speed regulating motor 412 through a coupler 413. The output shaft of the electromagnetic speed regulating motor 412 is provided with a main chain wheel 424, the transmission shaft connecting rod 42 is provided with a driven chain wheel 422, the driven chain wheel 422 is positioned between two bearing seats 421, and the main chain wheel 424 is in transmission connection with the driven chain wheel 422 through a main chain 423.

As shown in fig. 3 to 5, the first and second driving sprockets 451 and 461 are mounted to both ends of the drive shaft link 42, respectively. The first driving sprocket 451 is connected to the profiling wheel spindle 23 via a first chain 452, in this embodiment the profiling wheel spindle 23 of the lower wheel 222. Specifically, the ends of the profiling wheel main shafts 23, on which the lower wheels 222 are not mounted, are mounted with coaxial chain wheels 24, and adjacent coaxial chain wheels 24 are connected through a third chain 25. A first driven sprocket 453 is attached to the die wheel spindle 23 near the lower wheel 222 of the winding mechanism 3, and a first chain 452 connects the first driven sprocket 453 and the first driving sprocket 451. The first driving sprocket 451 on the transmission shaft connecting rod 42 rotates to drive the first driven sprocket 453 to rotate through the first chain 452, the coaxial sprocket 24 coaxial with the first driven sprocket 453 rotates therewith, the profiling wheel main shaft 23 of each lower wheel 222 is driven through the third chain 25, the lower wheels 222 rotate, the material belt enters a gap between the upper and lower wheels (221, 222), and the lower wheels 222 drive the material belt to advance and the upper wheel 221 to rotate.

As shown in fig. 4 and 5, one end of the link assembly 43 is connected to the axis of the winding pinch roller 331, and the other end of the link assembly 43 passes through a rear main plate 34 and is connected to the gear set 44. The gear set 44 is provided with a second driven sprocket 463, and the second driving sprocket 461 is connected to the second driven sprocket 463 by a second chain 462. The power source 41 drives the transmission shaft connecting rod 42 to rotate, and the transmission is realized by a chain and a chain wheel, so that the main shaft 23 of the profiling wheel of the profiling mechanism 2 is driven to rotate, and the upper wheel 222 and the lower wheel 222 are driven. Meanwhile, the gear set 44 is driven to rotate through the rotation of the second driven sprocket 463, the gear set 44 drives the connecting rod assembly 43 to rotate, and the connecting rod assembly 43 drives the winding pinch roller 331 to rotate.

Specifically, as shown in fig. 7, the link assembly 43 includes a link shaft 431, a first link 432, and a second link 433, both ends of the link shaft 431 are respectively connected to the first link 432 and the second link 433 through universal sleeves 434, the first link 432 is connected to the winding pinch roller 331, and the second link 433 is connected to the gear set 44. The connecting rod assembly 43 is designed in a sectional mode, the universal sleeve 434 can be used for fixing one side of the gear set 44, and one end connected with the winding pressing wheel 331 is provided with a movable gap.

As shown in fig. 3 to 5, in the present embodiment, four sets of the winding assembly 33 and the link assembly 43 are provided. The gear set 44 includes a driving gear 441 and four driven gears 442, the driving gear 441 is mounted to a side wall of the rear main plate 34 through a gear shaft 4411, the second driven sprocket 463 is connected to the gear shaft 4411, the four driven gears 442 are respectively connected to second links 433 of four link assemblies 43, the four driven gears 442 are engaged with the driving gear 441, and the link assemblies 43 are located at positions between the rear main plate 34 and the shaping platen 31. The second driven sprocket 463 rotates the gear shaft 4411 to drive the driving gear 441 to rotate, the driving gear 441 is engaged with the four driven gears 442, and the second link 433 connected to the driven gears 442 rotates to drive the winding pinch roller 331.

As shown in fig. 3, the four winding assemblies 33 are arranged in an annular array with respect to the axial center of the forming wheel 32, and the four winding assemblies 33 are referred to as a winding assembly a (33A), a winding assembly B (33B), a winding assembly C (33C), and a winding assembly D (33D), respectively. The winding unit a (33A) is located above the forming wheel 32, the winding unit C (33C) is located below the forming wheel 32, the winding unit B (33B) is located on the left of the forming wheel 32, and the winding unit D (33D) is located on the right of the forming wheel 32, and the center of the winding pinch roller 331 of the winding unit A, B, C, D is gradually distant from the sizing platen 31 in the vertical direction. In this embodiment, the width of the metal hose is 6mm, and the distance between the centers of the winding rollers 331 is 1.5 mm. The winding assemblies 33 are four groups, and are uniformly distributed at the upper, lower, left and right positions of the forming wheel 32, the material belt is spirally engaged and wound from four directions, the center of the winding pressing wheel 331 of the winding assembly A, B, C, D is gradually far away from the shaping platen 31, so that spiral winding forming is facilitated, and the formed metal hose gradually moves outwards along the forming wheel 32.

In this embodiment, when the mounting position of the lower wheel 222 is fixed, the mounting position of the upper wheel 221 is adjustable. As shown in fig. 3 and 8, both ends of the profiling wheel main shaft 23 on which the lower wheel 222 is mounted respectively penetrate the two support plates 21, and both ends of the profiling wheel main shaft 23 on which the upper wheel 221 is mounted are mounted on the support plates 21 through the profiling sliders 51. A cross bar 52 is erected above the profiling slider 51, and the cross bar 52 is fixed on the top of the support plate 21 through screws. A spinning rod 53 is arranged in the middle of the cross rod 52, and the spinning rod 53 is matched with the cross rod 52 through threads. The top of the spinning rod 53 is arranged on the rotating handle 532, the bottom of the spinning rod 53 is provided with a hanging table 531, the upper part of the profiling slider 51 is provided with a T-shaped groove 511, and the hanging table 531 is positioned in the T-shaped groove 511. The spinning rod 53 is rotated, the spinning rod 53 can move up and down relative to the cross rod 52, the hanging table 531 at the bottom of the spinning rod 53 acts on the T-shaped groove 511 of the profiling slider 51, the hanging table 531 can be used for pressing the bottom of the T-shaped groove 511, and the profiling slider 51 can be integrally and upwards hung by the hanging table 531.

As shown in fig. 3 and 9, a positioning assembly 6 is mounted on the sidewall of the sizing platen 31, and the positioning assembly 6 includes a positioning wheel 61 (shown in fig. 12), a positioning wheel seat 62 and a positioning block 63. The positioning block 63 is L-shaped, a waist-shaped hole 631 is formed in the positioning block 63, the positioning wheel 61 is mounted on the positioning wheel seat 62, the positioning wheel seat 62 is connected to the positioning block 63, and the axis of the positioning wheel 61 is perpendicular to the side wall of the shaping bedplate 31. The strip is guided from the profiling mechanism 2 to the winding-forming mechanism 3, on which path the positioning assembly 6 is mounted, the strip passing under a rotatable positioning wheel 61 to limit the position of the strip and to guide it correctly.

The utility model provides a metal collapsible tube make-up machine compact structure, actuating mechanism 4 utilizes transmission shaft connecting rod 42, chain, sprocket and gear drive, has realized the simultaneous movement of die mould mechanism 2 and coiling forming mechanism 3, realizes the maximum utilization of the energy. Seven groups of continuous die structures formed by continuous rolling are prepared for subsequent spiral meshing and winding to form the 3S-shaped structure metal hose, the design is ingenious, in order to adjust the distance between the upper wheel 222 and the lower wheel 222, the upper wheel 221 is installed by means of the profiling sliding block 51, and the position of the upper wheel 221 is adjusted in a micro mode by combining the hanging table 531. Four groups of winding assemblies 33 are gradually far away from the shaping bedplate 31 from the upper direction, the lower direction, the left direction and the right direction of the shaping wheel 32, the material belt is spirally occluded and wound to be shaped, the winding assemblies 33 are provided with springs 335, so that spiral occlusion is in place and cannot be pressed during winding, the shaped metal hose gradually moves out along the outer side of the shaping wheel 32, and the produced metal hose can stretch, has good air tightness and good flexibility.

The foregoing is only a partial description of the present invention, and it should be understood that various other modifications, improvements and equivalents may be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The metal hose forming machine is characterized by comprising a rack (1), a profiling mechanism (2) and a winding forming mechanism (3), wherein the profiling mechanism (2) is arranged on the rack (1) along the conveying direction of a material belt, and the material belt is formed by the profiling mechanism (2) and then wound and formed by the winding forming mechanism (3);

the profiling mechanism (2) comprises a support plate (21) and a plurality of groups of rollers (22) which are vertically distributed in two rows correspondingly, the support plate (21) is arranged on the frame (1), each group of rollers (22) comprises an upper wheel (221) and a lower wheel (222), the upper wheel (221) and the lower wheel (222) are arranged on the support plate (21) through a profiling wheel spindle (23), and the surfaces of the upper wheel and the lower wheel are provided with a die structure for forming the material belt in a pressing mode;

the winding forming mechanism (3) comprises a forming platen (31), a forming wheel (32) and a winding assembly (33), the forming platen (31) is installed on the rack (1), the forming wheel (32) is installed on the forming platen (31) through a forming wheel main shaft (321), the forming wheel main shaft (321) is perpendicular to the side wall of the forming platen (31), the winding assembly (33) is provided with a plurality of groups and distributed around the forming wheel (32), the winding assembly (33) is connected with a driving mechanism (4), and the other end of the driving mechanism (4) is connected with a pressing wheel main shaft (23) and drives the upper wheel and the lower wheel to rotate.

2. The metal hose forming machine according to claim 1, characterized in that the winding assembly (33) comprises a winding pressing wheel (331), a pressing wheel seat (332), a connecting rod (333) and a base (334), wherein the connecting rod (333) is installed on the base (334) in a penetrating manner, one end of the connecting rod (333) close to the forming wheel (32) is connected with the pressing wheel seat (332), the winding pressing wheel (331) is installed on the pressing wheel seat (332), the axial center of the winding pressing wheel (331) is perpendicular to the side wall of the forming platen (31), and the other end of the connecting rod (333) is sleeved with a spring (335).

3. The metal hose forming machine according to claim 2, wherein the driving mechanism (4) comprises a power source (41), a transmission shaft connecting rod (42), a connecting rod assembly (43) and a gear set (44), the transmission shaft connecting rod (42) is horizontally arranged and mounted on the frame (1), the power source (41) is mounted on the frame (1) and drives the transmission shaft connecting rod (42) to rotate, a first driving sprocket (451) and a second driving sprocket (461) are respectively mounted at two ends of the transmission shaft connecting rod (42), the first driving sprocket (451) is connected with the profiling wheel spindle (23) through a first chain (452), one end of the connecting rod assembly (43) is connected with the axis of the winding pressing wheel (331), the other end of the connecting rod assembly (43) passes through a rear main plate (34) and is connected with the gear set (44), the gear set (44) is provided with a second driven sprocket (463), the second drive sprocket (461) is connected to a second driven sprocket (463) by a second chain (462).

4. The metal hose forming machine according to claim 3, wherein the connecting rod assembly (43) comprises a link shaft (431), a first connecting rod (432) and a second connecting rod (433), both ends of the link shaft (431) are respectively connected with the first connecting rod (432) and the second connecting rod (433) through universal sleeves (434), the first connecting rod (432) is connected with the winding pressing wheel (331), and the second connecting rod (433) is connected with the gear set (44).

5. The machine according to claim 4, wherein the winding assembly (33) and the connecting rod assembly (43) are provided in four sets, the gear set (44) comprises a driving gear (441) and four driven gears (442), the driving gear (441) is mounted to a side wall of the rear main plate (34) through a gear shaft (4411), the second driven sprocket (463) is connected to the gear shaft (4411), the four driven gears (442) are connected to the second connecting rod (433), and the four driven gears (442) are engaged with the driving gear (441).

6. The machine according to claim 5, characterized in that four groups of winding assemblies (33) are distributed in an annular array with respect to the axis of the forming wheel (32), four groups of winding assemblies (33) being respectively called winding assembly A, winding assembly B, winding assembly C and winding assembly D, winding assembly A being located above the forming wheel (32), winding assembly C being located below the forming wheel (32), winding assembly B being located to the left of the forming wheel (32), winding assembly D being located to the right of the forming wheel (32), the center of the winding pressure wheel (331) of winding assembly A, B, C, D being progressively distant from the forming platen (31) in the vertical direction.

7. The metal hose forming machine according to claim 3, characterized in that the profiling wheel main shafts (23) of the lower wheels (222) are each provided with a coaxial sprocket (24), the adjacent coaxial sprockets (24) are connected by a third chain (25), a first driven sprocket (453) is installed near the profiling wheel main shaft (23) of the lower wheel (222) of the winding forming mechanism (3), and the first chain (452) connects the first driven sprocket (453) and the first driving sprocket (451).

8. The metal hose forming machine according to claim 1 or 7, characterized in that the two support plates (21) are provided, two ends of a profiling wheel spindle (23) for mounting the lower wheel (222) respectively penetrate through the two support plates (21), two ends of the profiling wheel spindle (23) for mounting the upper wheel (221) are mounted on the support plates (21) through profiling sliders (51), a cross rod (52) is erected above the profiling sliders (51), a spinning rod (53) is arranged on the cross rod (52), the spinning rod (53) is in threaded fit with the cross rod (52), a hanging table (531) is arranged at the bottom of the spinning rod (53), a T-shaped groove (511) is arranged at the upper part of the profiling slider (51), and the hanging table (531) is positioned in the T-shaped groove (511).

9. The metal hose forming machine according to claim 1 or 6, characterized in that the shaping platen (31) is provided with a positioning assembly (6), the positioning assembly (6) comprises a positioning wheel (61), a positioning wheel seat (62) and a positioning block (63), the positioning block (63) is L-shaped, a kidney-shaped hole (631) is formed in the positioning block (63), the positioning wheel (61) is mounted on the positioning wheel seat (62), the positioning wheel seat (62) is connected to the positioning block (63), and the axis of the positioning wheel (61) is perpendicular to the side wall of the shaping platen (31).

10. The flexible metal tube forming machine as claimed in any one of claims 1 to 6, wherein there are seven sets of rollers (22) distributed in two rows corresponding to each other, and the molds on the surfaces of the upper and lower wheels (221, 222) are sequentially a leveling mold, a raising mold, a raised heightening mold, a step forming mold, an oblique bending mold, a 90-degree bending mold and an oblique inner buckling mold.

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