CN211564084U - Light continuous crimping machine - Google Patents

Abstract

The utility model discloses a light-duty continuous type crimping machine, include the gyration dish and install in the main shaft at gyration dish center, be connected with on the main shaft and drive its pivoted first power unit, two reel mandrel subassemblies are installed to the left and right portion of gyration dish, still be connected with on the main shaft and drive two reel mandrel subassembly pivoted second power unit and third power unit. The utility model discloses light-duty continuous type crimping machine structural design is simple, compact, can realize rolling in succession, and production efficiency is high, and control accuracy is high, convenient operation, easily processing, manufacturing, installation and maintenance, and equipment area is little, and the lumber recovery is high.

Description

Light continuous crimping machine

Technical Field

The utility model relates to the technical field of, especially, relate to a light-duty continuous type crimping machine.

Background

The coil changing mode of the crimping machine in the metal plate strip continuous rolling production line is one of the keys influencing the production efficiency of the continuous rolling line. Two roll change methods are commonly used at present: namely, the alternative coiling mode of two fixed cantilever type coiling machines and the coiling mode of a carrousel coiling machine are adopted.

The alternative crimping mode of adopting two fixed cantilever type crimpers has the following defects: firstly, speed reduction is needed to penetrate the belt after roll changing and slitting, so that the production efficiency is influenced, and the continuity is poor; secondly, the material is difficult to be introduced to the 2# winding drum when the thin strip is produced, the control is complex, and the operation difficulty is high; the number of service matching equipment is large; and fourthly, the occupied area of equipment arrangement is large.

The curling mode of the carrousel curling machine is that two winding drums are arranged on a large disc and are respectively switched back and forth at a curling position and a coil unloading position, and the auxiliary time required by coil changing is short. This approach has the disadvantages of: firstly, two sets of planetary gear train long hollow shafts and a rotary main shaft are concentric shafts, and the requirements on processing and manufacturing, particularly on assembly precision, are very high; secondly, the internal driving system is complex, the number of transmission stages is large, and the transmission shaft is long; the interchangeability of the transmission part is poor, the types of spare parts are more, and the maintenance is very troublesome; the single coil weight of the coil of strip reaches 6 tons, the concentric shaft is of a cantilever type structure, the head is serious in work, the rotary disc and the winding drum sway left and right in work, the tension of the strip outlet fluctuates, and the thickness precision of the strip is influenced, even the strip shape is influenced.

The present inventors have made extensive studies on how to design a light continuous type crimper which can solve the above-mentioned problems of the two crimping methods.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-duty continuous type crimping machine, its structural design is simple, compact, can realize rolling in succession, and production efficiency is high, and control accuracy is high, convenient operation, easily processing, manufacturing, installation and maintenance, and equipment area is little, and the lumber recovery is high.

In order to realize the above object, the utility model provides a light-duty continuous type crimping machine, including the gyration dish and install in the main shaft at gyration dish center, be connected with on the main shaft and drive its pivoted first power unit, two reel mandrel subassemblies are installed to the left and right portion of gyration dish, still be connected with on the main shaft and drive two reel mandrel subassembly pivoted second power unit and third power unit.

Preferably, the first power mechanism comprises a first speed reduction motor, an output shaft of the first speed reduction motor is provided with a first gear, the main shaft is provided with a second gear, and the first gear is meshed with the second gear.

Preferably, second power unit includes the internal tooth profile sprocket assembly of the concentric profile of tooth sprocket of nested pair, interior profile of tooth sprocket assembly includes concentric shaft and connects in the epaxial interior profile of tooth sprocket of concentric shaft, concentric shaft and internal tooth profile of tooth sprocket pass through the bearing install in on the main shaft, interior profile of tooth sprocket is connected with first profile of tooth sprocket through first chain, first profile of tooth sprocket and one of them the reel mandrel subassembly is connected, install second profile of tooth sprocket on the concentric shaft, second profile of tooth sprocket passes through the second chain and is connected with third profile of tooth sprocket, third profile of tooth sprocket and second gear motor's output shaft.

Preferably, third power unit including install in outer tooth form sprocket on the inner tooth form sprocket, outer tooth form sprocket pass through the bearing install in on the concentric shaft, outer tooth form sprocket passes through the third chain and is connected with fourth tooth form sprocket, fourth tooth form sprocket and third gear motor's output shaft, outer tooth form sprocket passes through the fourth chain and is connected with fifth tooth form sprocket, fifth tooth form sprocket and another the barrel arbor subassembly is connected.

Preferably, the front end and the rear end of the main shaft are supported by two supporting seats, each supporting seat comprises an underframe and a mounting shell mounted at the upper end of the underframe, the end part of the main shaft penetrates into the mounting shell, and a self-aligning roller bearing is arranged between the main shaft and the mounting shell.

Preferably, the reel mandrel subassembly includes the back shaft, the back shaft pass through the bearing install in the inner chamber of gyration dish, two the back shaft of reel mandrel subassembly stretches out the part of gyration dish with second power unit and third power unit are connected, the back shaft is equipped with the cavity along the axial lead, slidable mounting has central pull rod in the cavity, central pull rod rear end is connected with fourth power unit, the surface of central pull rod is connected with the dabber, the dabber stretches out the back shaft, works as when fourth power unit drives central pull rod seesaw, can make the dabber is along radial expansion or shrink.

Preferably, the mandrel is composed of a plurality of linkage assemblies hinged to the central pull rod along the circumferential direction, each linkage assembly comprises two connecting rods hinged to the outer surface of the central pull rod, the other ends of the two connecting rods extend out of the support shaft and then are hinged to an arc-shaped block, and the outer surfaces of the arc-shaped blocks are located on the same cylindrical surface.

Preferably, the arc piece includes the arc and connects in the floor of arc medial surface, two the other end of connecting rod articulates on the floor, the arc medial surface is located the floor front and back side is connected with the locating piece respectively, two the locating piece slides and locates on the locating component that the back shaft surface set up.

Preferably, the positioning assembly comprises a fixing plate arranged at the front end of the supporting shaft, a step is arranged in the middle of the outer surface of the supporting shaft, sliding grooves are respectively formed in the upper ends of the inner side surfaces of the fixing plate corresponding to the step, and the two positioning blocks are slidably arranged in the two sliding grooves.

Preferably, two the spout inner chamber is equipped with the gib block respectively, two the locating piece slides and locates on two the gib block.

Preferably, the locking device is arranged on one side of the rotary disc and comprises two cylinders which are arranged up and down, the cylinder rods of the two cylinders are respectively connected with a support rod, the relative inner side surfaces of the two support rods are provided with two limiting blocks in an up-down corresponding mode, a positioning block is arranged on the side surface of the rotary disc, the locking device drives the two limiting blocks to move to the upper surface and the lower surface of the positioning block, and the positioning block is clamped tightly, so that the rotary disc is locked.

Preferably, the upper surfaces of the limiting blocks positioned below are inclined planes, and the upper and lower surfaces of the positioning blocks are parallel to the contact surfaces of the two limiting blocks.

Preferably, the two cylinders are arranged on a support frame, the support frame is arranged on the base, and the first power mechanism, the second power mechanism and the third power mechanism are arranged on the base.

Preferably, the two winding drum mandrel assemblies are symmetrically arranged at the left part and the right part of the rotary disk.

After the scheme is adopted, the utility model discloses light-duty continuous type crimper has following beneficial effect: two winding drum mandrel components are symmetrically arranged at the left part and the right part of the rotary disc, so that one of the two winding drum mandrel components is responsible for winding the metal plate strip, the other winding drum mandrel component is responsible for assembling and disassembling a mandrel sleeve of the wound metal plate strip, the two winding drum mandrel components are controlled by a second power mechanism and a third power mechanism which are independent, and are not mutually influenced, so that the functions of alternately and continuously winding and unwinding, providing controllable tension, speed and the like are realized, the continuous rolling function is met, and the production efficiency is improved; the winding drum mandrel component at the right part of the rotary disc of the crimping machine is used for threading all the time, so that the control precision is high and the operation is convenient; the transmission parts of the second power mechanism and the third power mechanism are realized by nested duplex concentric toothed chain wheels, the structure is simple and ingenious, the mandrel consists of a plurality of linkage assemblies of four-bar linkage mechanisms, and the mandrel is ingenious in structural design and easy to process, manufacture, install and maintain; the main shaft is supported by the supporting seats arranged at the two ends, so that the structural strength of the crimping machine is improved, the continuous and stable operation of the rotary disc and the winding drum mandrel component is ensured, and the plate shape of a finished strip is improved; the crimping machine is simple and compact in design, few in auxiliary equipment, capable of saving the floor area of the equipment, prolonging the stable rolling time and improving the yield.

Drawings

FIG. 1 is a schematic view of the light continuous crimping machine of the present invention;

FIG. 2 is a schematic top view of the light continuous crimping machine of the present invention;

FIG. 3 is a schematic top view of the nested duplex concentric toothed sprocket of the light continuous crimper of the present invention;

FIG. 4 is a schematic right sectional view of the mandrel assembly of the light continuous crimper of the present invention;

FIG. 5 is a schematic structural view of a mandrel assembly of the light continuous crimper of the present invention;

FIG. 6 is a schematic sectional view of the locking device of the light continuous crimping machine according to the present invention;

fig. 7 is a schematic sectional view of the light continuous crimping machine when the locking device of the light continuous crimping machine does not lock the rotary disk.

Detailed Description

The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.

The structure of the light continuous crimping machine of the present invention will be described with reference to the following embodiments.

As shown in fig. 1 and 2 the utility model discloses a light-duty continuous type crimping machine's main visual structure schematic diagram and overlook the structure schematic diagram, be fixed in the main shaft 2 at gyration dish 1 center including gyration dish 1 that has the cavity inner chamber and installation, this embodiment main shaft 2 passes and makes the two together fixed through the key behind the gyration dish 1, and main shaft 2 is connected with first power unit, and first power unit can drive main shaft 2 and rotate, and main shaft 2 drives gyration dish 1 again and rotates. The first power mechanism comprises a first speed reduction motor 3, a first gear 4 is mounted on an output shaft of the first speed reduction motor 3, a second gear 5 is mounted on the spindle 2, the first gear 4 is meshed with the second gear 5, and the spindle 2 can be driven to rotate through the first speed reduction motor 3.

Two winding drum mandrel components 6 are symmetrically arranged at the left part and the right part of the rotary disk 1, a second power mechanism and a third power mechanism are connected to the main shaft 2, and the second power mechanism and the third power mechanism are used for driving the two winding drum mandrel components 6 to rotate.

Referring to fig. 3, the second power mechanism comprises an internal toothed sprocket assembly of a nested duplex concentric toothed sprocket, which is formed by connecting the internal toothed sprocket assembly and an external toothed sprocket 17. The internal tooth profile sprocket assembly comprises a concentric shaft 8 and an internal tooth profile sprocket 7 connected to the concentric shaft 8, the concentric shaft 8 and the internal tooth profile sprocket 7 are mounted on the main shaft 2 through a bearing 9, the internal tooth profile sprocket 7 is connected with a first tooth profile sprocket 11 through a first chain 10, the first tooth profile sprocket 11 is connected with one of the reel mandrel assemblies 6, and the first tooth profile sprocket 11 is connected with the reel mandrel assembly 6 at the left part of the rotary disk 1. The concentric shaft 8 is provided with a second toothed chain wheel 12, and the second toothed chain wheel 12 and the concentric shaft 8 are fixedly connected through a tensioning sleeve 13. The second toothed chain wheel 12 is connected with a third toothed chain wheel 15 through a second chain 14, and the third toothed chain wheel 15 is connected with an output shaft of a second speed reducing motor 16.

The third power mechanism comprises an external toothed chain wheel 17 nested with a dual concentric toothed chain wheel, the external toothed chain wheel 17 is mounted on the internal toothed chain wheel 7, specifically, the external toothed chain wheel 17 is mounted on the concentric shaft 8 through a bearing 18, the external toothed chain wheel 17 is connected with a fourth toothed chain wheel 20 through a third chain 19, the fourth toothed chain wheel 20 is connected with an output shaft of a third speed reducing motor 21, the external toothed chain wheel 17 is connected with a fifth toothed chain wheel 23 through a fourth chain 22, the fifth toothed chain wheel 23 is connected with another winding drum mandrel assembly 6, and the fifth toothed chain wheel 23 is connected with the winding drum mandrel assembly 6 at the right part of the rotary disk 1.

The first reduction motor 3 of the first power mechanism, the second reduction motor 16 of the second power mechanism and the third reduction motor 21 of the third power mechanism are all mounted on the base 24.

Referring to fig. 2, the front end and the rear end of the main shaft 2 are supported by two supporting seats 25, each supporting seat 25 includes a base frame 26 disposed on the ground and a mounting shell 27 mounted on the upper end of the base frame 26, the end of the main shaft 2 penetrates through the mounting shell 27, and a self-aligning roller bearing 28 is disposed between the main shaft 2 and the mounting shell 27.

With reference to figure 4 of the drawings, as shown in fig. 5, the winding drum spindle assembly 6 includes a horizontally disposed support shaft 29, the support shaft 29 is mounted in the inner cavity of the rotary disk 1 through a bearing 30, the support shaft 29 of the winding drum spindle assembly 6 at the left portion of the rotary disk 1 extends out of the rotary disk 1 and is connected to the first toothed sprocket 11 of the second power mechanism, the support shaft 29 of the winding drum spindle assembly 6 at the right portion of the rotary disk 1 extends out of the rotary disk 1 and is connected to the fifth toothed sprocket 23 of the third power mechanism, each support shaft 29 is provided with a cavity along the axial lead, a central pull rod 31 is slidably mounted in the cavity, the rear end of the central pull rod 31 is connected to the fourth power mechanism, the fourth power mechanism of the embodiment adopts an expansion cylinder 32, the tail of the expansion cylinder 32 is connected to a pneumatic rotary joint 33, the pneumatic rotary joint 33 is connected to a pneumatic air inlet pipe 34, and the rotary joint 33 and.

The outer surface of the central pull rod 31 is connected with a mandrel 35, and a mandrel sleeve is arranged on the mandrel 35 when in use. The mandrel 35 of the present embodiment is composed of three linkage assemblies hinged to the central pull rod 31 along the circumferential direction, each linkage assembly includes two connecting rods 37, three strip-shaped grooves 36 are uniformly formed in the outer surface of the central pull rod 31 along the circumferential direction, the side walls of the grooves 36 are respectively connected with the two connecting rods 37 through pin shafts, through holes are formed in positions, corresponding to the positions of the other ends of the two connecting rods 37, of the side wall of the support shaft 29, and the other ends of the two connecting rods 37 are hinged to an arc-shaped block 38 through pin shafts after extending out of the through holes in the. The arc block 38 comprises an arc plate 39 and a rib plate 40 connected to the inner side surface of the arc plate 39, and the outer surfaces of the three arc plates 39 are positioned on the same cylindrical surface. The other ends of the two connecting rods 37 are hinged on the ribbed plate 40 through a pin shaft, and the two connecting rods 37, the central pull rod 31 and the ribbed plate 40 form a four-bar mechanism. The inner side of the arc plate 40 is located at the front and rear sides of the rib plate 40 and is connected with positioning blocks 41, and the two positioning blocks 41 are slidably arranged on the positioning component arranged on the outer surface of the support shaft 29. The positioning assembly includes a fixing plate 42 connected to the front end of the supporting shaft 29, a step 43 is provided at the middle portion of the outer surface of the supporting shaft 29, and sliding grooves 44 are respectively provided at the upper ends of the inner side surfaces of the fixing plate 42 corresponding to the step 43. The inner cavities of the two sliding grooves 44 are respectively connected with guide strips 45, and the two positioning blocks 41 are arranged on the two guide strips 45 in a sliding manner, so that the arc-shaped blocks 38 can only move along the radial direction.

The locking device 46 is further included, referring to fig. 6 and 7, the locking device 46 is arranged on the left side of the rotary disk 1, the locking device includes two air cylinders 47 which are arranged up and down, the two air cylinders 47 are fixedly arranged on a support frame 48, and the support frame 48 is arranged on the base 24. The cylinder rods of the two cylinders 47 are arranged horizontally, the two cylinder rods are connected with supporting rods 49 respectively, the opposite inner side surfaces of the two supporting rods 49 are provided with a first limiting block 50 and a second limiting block 51 in an up-down corresponding mode, the lower surface of the first limiting block 50 is arranged horizontally, the upper surface of the second limiting block 51 is an inclined plane, a cylindrical positioning block 52 is installed on the left side surface of the rotary disc 1, and the upper surface of the second limiting block 51 is an inclined plane inclined downwards towards the positioning block 52. The upper and lower surfaces of the positioning block 52 are parallel to the lower surface of the first stopper 50 and the upper surface of the second stopper 51, respectively, and when the locking device 46 locks the turn disc 1, the positioning block 52 is clamped between the first stopper 50 and the second stopper 51.

When the locking device 46 locks the rotary disc 1, the rotary disc 1 rotates to be close to the locking device 46, the upper cylinder 47 of the locking device 46 extends out of the cylinder rod to drive the first limiting block 50 to move outwards, so that the lower surface of the first limiting block 50 gradually moves to the upper surface of the positioning block 52, then the lower cylinder 47 extends out of the cylinder rod again to drive the second limiting block 51 to move outwards, so that the upper surface of the second limiting block 51 gradually moves to the lower surface of the positioning block 52, at the moment, the first limiting block 50 is attached to the second limiting block 51 and clamps the positioning block 52, and therefore the rotary disc 1 is locked, and the rotary disc 1 cannot rotate. When the locking device 46 unlocks the rotary disk 1, the lower cylinder 47 firstly contracts the cylinder rod to drive the second limiting block 51 to be separated from the lower surface of the positioning block 52, and then the upper cylinder 47 contracts the cylinder rod to drive the first limiting block 50 to be separated from the upper surface of the positioning block 52, so that the rotary disk 1 can rotate.

The utility model discloses light-duty continuous type crimper during operation, the reel mandrel subassembly 6 of 1 right part of gyration dish is responsible for curling metal slab band, and concrete operation is: the third speed reducing motor 21 works to drive the fourth toothed chain wheel 20 to rotate, the fourth toothed chain wheel 20 drives the external toothed chain wheel 17 to rotate through the third chain 19, the external toothed chain wheel 17 drives the fifth toothed chain wheel 23 to rotate through the fourth chain 22, the fifth toothed chain wheel 23 drives the supporting shaft 29 of the reel mandrel assembly 6 positioned at the right part of the rotary disk 1 to rotate, the supporting shaft 29 drives the mandrel 35 and the mandrel sleeve on the mandrel 35 to rotate, the operation of curling the metal plate strip by the reel mandrel assembly 6 at the right part is realized, and the reel mandrel assembly 6 at the left part is assembled and disassembled while the reel mandrel assembly 6 at the right part is reeled. The work of the expansion cylinder 32 on the reel mandrel assembly 6 at the left part drives the central pull rod 31 to move backwards, so that three arc-shaped blocks 38 on the mandrel 35 do contraction movement along the radial direction, the diameter of the mandrel 35 is reduced, a user can install a mandrel sleeve on the mandrel 35, and then the work of the expansion cylinder 32 drives the central pull rod 31 to move forwards, so that the mandrel 35 expands, and the mandrel sleeve installed on the mandrel 35 is fixed. After the left spool mandrel assembly 6 finishes loading and unloading the mandrel sleeve, the coiler lock 46 is opened. The first gear motor 3 works to drive the first gear 4 to be meshed with the second gear 5, the second gear 5 drives the spindle 2 to rotate 180 degrees, the rotary disk 1 synchronously rotates 180 degrees, the reel mandrel assembly 6 originally positioned at the right part of the rotary disk 1 is shifted to the left part of the rotary disk 1, the reel mandrel assembly 35 at the right part in the rotating process is continuously reeled, and after the rotation is finished, the locking device 46 locks the rotary disk 1.

When the mandrel 35 to be positioned at the right portion of the turn table 1 is turned to the left portion, the diameter of the coiled material on the mandrel 35 is set to a predetermined value and the coiled material is ready to be unwound. After the split winding is completed, a new strip head is wound onto the rotating right mandrel 35 under the guidance of relevant equipment, and the winding mandrel assembly 6 on the right side performs the metal strip winding work, and the specific operation is as follows: the second speed reducing motor 16 works to drive the third toothed chain wheel 15 to rotate, the third toothed chain wheel 15 drives the second toothed chain wheel 12 to rotate through the second chain 14, the second toothed chain wheel 12 drives the concentric shaft 8 and the internal toothed chain wheel 7 to rotate, the internal toothed chain wheel 7 drives the first toothed chain wheel 11 to rotate through the first chain 10, the first toothed chain wheel 11 drives the reel mandrel assembly 6 to rotate, the operation of the reel mandrel assembly for curling the metal plate strip is realized, the mandrel 35 at the left part of the rotary disc 1 unloads a mandrel sleeve of the rolled metal plate strip, and after another mandrel sleeve is installed, the locking device 46 of the coiling machine is opened. And then the first speed reducing motor 3 drives the main shaft 2 to rotate, so that the rotary disk 1 rotates by 180 degrees, the two reel mandrel components 6 at the left part and the right part of the rotary disk 1 are transposed left and right again, the mandrel 35 at the right part is continuously reeled in the rotating process, and the locking device 46 locks the rotary disk 1 after the rotation is finished. When the right mandrel 35 is rotated to the left, the diameter of the coiled material on the mandrel 35 is about to reach the predetermined value, and the coil is ready to be unwound. After the decoiling is completed, a new strip head is reeled up onto the mandrel 35 turned to the right under the guidance of the relevant equipment, and the mandrel 35 performs the sheet metal strip curling work. Meanwhile, the mandrel component 6 at the left part of the rotary disk 1 is changed, and the mandrel 35 is driven by the expansion cylinder 32 to contract and expand, so that a user can conveniently detach the mandrel sleeve of the coiled metal plate strip and mount a new mandrel sleeve. The above processes are repeated, and the left mandrel 35 and the right mandrel 35 are alternately coiled, so that the coiling continuity is ensured, the continuous rolling is realized, and the production efficiency is improved.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It is to be understood that the present invention is not limited to the example methods, structures, and precise structures shown in the drawings, which have been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (14)

1. The utility model provides a light-duty continuous type crimping machine which characterized in that, includes the gyration dish and installs in the main shaft at gyration dish center, be connected with on the main shaft and drive its pivoted first power unit, two reel mandrel subassemblies are installed to the left and right portion of gyration dish, still be connected with on the main shaft and drive two reel mandrel subassembly pivoted second power unit and third power unit.

2. The lightweight continuous crimper of claim 1, wherein said first power mechanism includes a first gear motor, said first gear motor having an output shaft with a first gear mounted thereon, said spindle having a second gear mounted thereon, said first gear being in meshing engagement with said second gear.

3. The light-duty continuous crimper of claim 1, wherein said second power mechanism comprises an internally toothed sprocket assembly of nested dual concentric toothed sprockets, said internally toothed sprocket assembly comprising a concentric shaft and an internally toothed sprocket attached to said concentric shaft, said concentric shaft and internally toothed sprocket being mounted to said spindle by bearings, said internally toothed sprocket being connected to a first toothed sprocket by a first chain, said first toothed sprocket being connected to one of said spool spindle assemblies, said concentric shaft having a second toothed sprocket attached thereto, said second toothed sprocket being connected to a third toothed sprocket by a second chain, said third toothed sprocket being connected to an output shaft of a second gear motor.

4. The light-duty continuous crimper of claim 3, characterized in that said third power mechanism comprises an external toothed sprocket mounted on said internal toothed sprocket, said external toothed sprocket being mounted on said concentric shaft by a bearing, said external toothed sprocket being connected to a fourth toothed sprocket by a third chain, said fourth toothed sprocket being connected to an output shaft of a third reduction motor, said external toothed sprocket being connected to a fifth toothed sprocket by a fourth chain, said fifth toothed sprocket being connected to another of said mandrel assemblies.

5. The light continuous crimping machine according to claim 1, wherein the front and rear ends of the main shaft are supported by two support bases, the support bases include a bottom frame and a mounting shell mounted on the upper end of the bottom frame, the end of the main shaft penetrates the inside of the mounting shell, and a self-aligning roller bearing is disposed between the main shaft and the mounting shell.

6. The light continuous crimping machine as claimed in claim 1, wherein the winding drum mandrel assembly comprises a supporting shaft, the supporting shaft is mounted in the inner cavity of the rotary disc through a bearing, the parts of the two winding drum mandrel assembly supporting shafts extending out of the rotary disc are connected with the second power mechanism and the third power mechanism, the supporting shaft is provided with a cavity along the axial lead, a central pull rod is slidably mounted in the cavity, the rear end of the central pull rod is connected with the fourth power mechanism, the outer surface of the central pull rod is connected with a mandrel, the mandrel extends out of the supporting shaft, and when the fourth power mechanism drives the central pull rod to move back and forth, the mandrel can expand or contract along the radial direction.

7. The light-weight continuous crimping machine according to claim 6, wherein the mandrel is composed of a plurality of linkage assemblies which are hinged to the central pull rod along the circumferential direction, each linkage assembly comprises two connecting rods which are hinged to the outer surface of the central pull rod, the other ends of the two connecting rods extend out of the supporting shaft and then are hinged to an arc-shaped block, and the outer surfaces of the arc-shaped blocks are located on the same cylindrical surface.

8. The light continuous crimping machine as claimed in claim 7, wherein the arc block includes an arc plate and a rib plate connected to an inner side surface of the arc plate, the other ends of the two connecting rods are hinged to the rib plate, positioning blocks are respectively connected to front and rear sides of the rib plate on the inner side surface of the arc plate, and the two positioning blocks are slidably disposed on a positioning assembly disposed on an outer surface of the support shaft.

9. The light-duty continuous crimping machine according to claim 8, wherein the positioning assembly includes a fixing plate disposed at a front end of the supporting shaft, a step is disposed at a middle portion of an outer surface of the supporting shaft, sliding grooves are respectively disposed at upper ends of inner side surfaces of the fixing plate corresponding to the step, and the two positioning blocks are slidably disposed in the two sliding grooves.

10. The light-weight continuous crimping machine according to claim 9, wherein guide bars are respectively provided in the two inner cavities of the sliding chute, and the two positioning blocks are slidably provided on the two guide bars.

11. The light continuous crimping machine as claimed in claim 1, further comprising a locking device, wherein the locking device is disposed on one side of the rotary plate, the locking device comprises two cylinders disposed up and down, the cylinder rods of the two cylinders are respectively connected with a support rod, two limiting blocks are disposed on opposite inner side surfaces of the two support rods in an up-down correspondence manner, a positioning block is mounted on a side surface of the rotary plate, and the locking device drives the two limiting blocks to move to the upper and lower surfaces of the positioning block through the cylinders to clamp the positioning block, so that the rotary plate is locked.

12. The light-weight continuous crimping machine according to claim 11, wherein the upper surfaces of the lower stoppers are inclined surfaces, and the upper and lower surfaces of the positioning block are parallel to the contact surfaces of the two stoppers.

13. The light-weight continuous crimper of claim 12, wherein two said cylinders are mounted on a support frame, said support frame is mounted on a base, and said first, second and third power mechanisms are mounted on said base.

14. The light-weight continuous crimper of claim 1, wherein said two spool mandrel assemblies are symmetrically mounted to left and right portions of said rotary disk.

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