CN209794049U

CN209794049U - Rolling forming mechanism

Info

Publication number: CN209794049U
Application number: CN201920224542.5U
Authority: CN
Inventors: 曲国华; 曲云鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2019-12-17
Anticipated expiration: 2029-02-22

Abstract

A rolling forming mechanism belongs to the technical field of automatic rolling machines. The method is characterized in that: the rolling device comprises a rolling head, a die sleeve seat, a rolling cam (17) and a shifting fork cam (18), wherein the rolling cam (17) and the shifting fork cam (18) are coaxially arranged and keep synchronous rotation, the rolling cam (17) is connected with the rolling head through a swing arm and drives the rolling head to lift, the shifting fork cam (18) is connected with the die sleeve seat through a shifting fork (19) and drives the die sleeve seat to lift, and the die sleeve seat is connected with a rolling power device driving the die sleeve seat to rotate. The rolling cam and the shifting fork cam of the rolling forming mechanism synchronously rotate, so that the rolling head and the die sleeve seat are linked, the stable work of the rolling head and the die sleeve seat is ensured, the matching of the rolling head and the die sleeve seat is accurate, the fault rate of equipment is reduced, and the equipment runs more stably.

Description

Rolling forming mechanism

Technical Field

A rolling forming mechanism belongs to the technical field of automatic rolling machines.

Background

Among ceramic forming machines, roll forming machines are the larger ones, which are mainly semi-automatic roll presses and automatic roll presses. The semi-automatic roller press has simple structure and low manufacturing cost, but the feeding and the taking out of the rolling die and the feeding of the rolled pug are both manually operated during working, the efficiency is low, the labor intensity is high, and the product quality is unstable. On the contrary, when the automatic roller press works, the feeding, taking out and other steps of the rolling die are automatically completed by each mechanism in the roller press, and the working efficiency of the automatic roller press is much higher than that of a semi-automatic roller press. With the development of society, the automatic roller press slowly becomes a medium current grinding column in ceramic production.

When the automatic roller press works, the rolling head and the die sleeve seat are required to move in opposite directions synchronously, so that the rolling of a die is realized, the rolling head and the die sleeve seat of the driven automatic roller press are mostly lifted through a hydraulic cylinder, the rolling head and the die sleeve seat are difficult to ensure to move synchronously, and the processing of a product is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, and provides a rolling forming mechanism which has reliable work and good synchronism of a rolling head and a die sleeve seat.

The utility model provides a technical scheme that its technical problem adopted is: this roll forming mechanism, its characterized in that: the rolling cam and the shifting fork cam are coaxially arranged and keep synchronous rotation, the rolling cam is connected with the rolling head through a swing arm and drives the rolling head to lift, the shifting fork cam is connected with the die sleeve seat through a shifting fork and drives the die sleeve seat to lift, and the die sleeve seat is connected with a rolling power device which drives the die sleeve seat to rotate.

Preferably, one side of the shifting fork cam is provided with a shifting fork cam limiting groove, the shifting fork is provided with a shifting fork cam limiting roller, and the shifting fork cam limiting roller is arranged in the shifting fork cam limiting groove in a sliding mode.

Preferably, the mould cover seat install on the crane, crane slidable mounting is on the roll forming frame, the shift fork links to each other with the crane and drives the crane lift, the mould cover seat sets up at the crane upside.

Preferably, the roll forming frame is provided with a vertical guide shaft, and the lifting frame is connected with the guide shaft in a sliding manner through a linear bearing.

Preferably, the lower side of the die sleeve seat is provided with a rolling main shaft, the rolling main shaft is connected with the die sleeve seat and drives the die sleeve seat to synchronously rotate, the shifting fork is connected with the rolling main shaft, and the rolling power device is connected with the rolling main shaft and drives the rolling main shaft to synchronously rotate.

Preferably, the rolling power device is a brake motor.

Preferably, the rolling heads are two, and the die sleeve seats correspond to the rolling heads one to one and are arranged on the lower sides of the corresponding rolling heads.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. The rolling cam and the shifting fork cam of the rolling forming mechanism synchronously rotate, so that the rolling head and the die sleeve seat are linked, the stable work of the rolling head and the die sleeve seat is ensured, the matching of the rolling head and the die sleeve seat is accurate, the fault rate of equipment is reduced, and the equipment runs more stably.

2. The shifting fork cam limiting groove limits the shifting fork through the shifting fork cam limiting roller, so that the shifting fork acts stably, the die sleeve seat acts stably, and the rolled product has high quality.

3. The lifting frame and the rolling forming frame are guided through the guide shaft and the linear bearing, so that the lifting frame is ensured to be lifted linearly, and the rolling head is ensured to be accurately matched with the die sleeve seat.

4. The rolling power device is a brake motor, can play a role in quick stop, improves the conversion speed of the die, and further improves the processing speed.

5. The rolling heads are two, two products can be finished by one-time rolling, and the processing speed is high.

Drawings

Fig. 1 is a front view of a roll forming mechanism.

Fig. 2 is a front view schematically showing the cam mechanism.

Fig. 3 is a left side schematic view of the cam mechanism.

Fig. 4 is a schematic top view of a ceramic roll forming machine.

Fig. 5 is a schematic front view of the mud feeding machine.

Fig. 6 is a right-side schematic view of the mud feeding machine.

Fig. 7 is a front cross-sectional schematic view of the Geneva gear.

Fig. 8 is a schematic front view of the chain tensioning mechanism.

Fig. 9 is a left side sectional view of the chain tensioning mechanism.

Fig. 10 is a front cross-sectional view of the drying box.

FIG. 11 is a schematic top cross-sectional view of a drying box.

In the figure: 1. the device comprises a mould conveying chain 2, a conveying belt 3, a shaping mechanism 4, a fan 5, a mud feeding machine 6, a rolling forming mechanism 7, a mud feeding support 8, mud strips 9, a mud strip supporting plate 10, a mud feeding chain 11, a rolling forming frame 12, a lifting frame 13, a guide shaft 14, a mould 15, a rolling main shaft 16, a rotary joint 17, a rolling cam 18, a shifting fork cam 1801, a shifting fork cam limiting groove 19, a shifting fork 20, a shifting fork cam limiting roller 21, a cam shaft 22, a shifting fork shaft 23, a driving sprocket 24, a transmission box 25, a driving sprocket shaft 26, a worm 27, a worm wheel 28, a driving plate 29, a grooved wheel 30, a driven sprocket 31, a tensioning frame 3101, a dovetail groove 32, a limiting bolt 33, a tensioning cylinder 34, a translation frame 35, a drying box 36, an air inlet gate valve 37, a distribution pipe 38, The device comprises a communicating pipe 39, a communicating pipe gate valve 40, an air injection pipe 41, a recovery main pipe 42, a recovery branch pipe 43, a recovery branch pipe gate valve 44, a recovery main pipe gate valve 45 and an air inlet pipe.

Detailed Description

Fig. 1 ~ 9 shows a preferred embodiment of the present invention, which is further described below with reference to fig. 1 ~ 11.

A rolling forming mechanism comprises a rolling head, a die sleeve seat, a rolling cam 17 and a shifting fork cam 18, wherein the rolling cam 17 and the shifting fork cam 18 are coaxially arranged and keep synchronous rotation, the rolling cam 17 is connected with the rolling head through a swing arm and drives the rolling head to lift, the shifting fork cam 18 is connected with the die sleeve seat through a shifting fork 19 and drives the die sleeve seat to lift, and the die sleeve seat is connected with a rolling power device which drives the die sleeve seat to rotate. The rolling cam 17 and the shifting fork cam 18 of the rolling forming mechanism 6 synchronously rotate, so that the rolling head and the die sleeve seat are linked, the stable work of the rolling head and the die sleeve seat is ensured, the matching of the rolling head and the die sleeve seat is accurate, the fault rate of equipment is reduced, and the equipment runs more stably.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Example 1

As shown in fig. 1: the rolling main shaft 15 is rotatably installed on the lifting frame 12, the lifting frame 12 is slidably installed on the rolling forming frame 11, vertical guide shafts 13 are symmetrically arranged on two sides of the rolling forming frame 11, and the lifting frame 12 is slidably installed on the guide shafts 13 through linear bearings, so that the lifting frame 12 is ensured to be lifted linearly. In this embodiment, two sides of the lifting frame 12 are symmetrically provided with rolling spindles 15, the two rolling spindles 15 are both connected with rolling motors for driving the rolling spindles to rotate, and the rolling motors are connected with the corresponding rolling spindles 15 through belts. The lower end of each rolling spindle 15 is connected to a vacuum pump via a rotary joint 16. The upper end of each rolling main shaft 15 is provided with a mold sleeve seat, and the mold sleeve seats and the corresponding rolling main shafts 15 synchronously rotate and keep synchronous lifting. The rolling motor is a brake motor, so that the rolling main shaft 15 is quickly stopped, and the purpose of quickly matching the die sleeve seat with the die sleeve seat is further realized.

In this embodiment, a plurality of plaster mold supports are uniformly distributed on the mold conveying chain 1 at intervals, two molds 14 are arranged on each plaster mold support, the distance between the two molds 14 is equal to the distance between the two rolling main shafts 15, and the rolling speed is improved.

As shown in fig. 2 ~ 3, the forming motor is connected with the rolling heads and the lifting frame 12 through cam mechanisms, and the rolling heads are in one-to-one correspondence with the rolling main shafts 15 and arranged at the upper side of the corresponding die sleeve seats.

The cam mechanism comprises a rolling cam 17, a shifting fork cam 18, a swing arm and a shifting fork 19 which are coaxially arranged, the rolling cam 17 and the shifting fork cam 18 are coaxially arranged on a cam shaft 21, the rolling cam 17 and the shifting fork cam 18 rotate synchronously with the cam shaft 21, and the rolling cam 17 and the shifting fork cam 18 are arranged at intervals. The shifting fork 19 is installed on the shifting fork shaft 22, the shifting fork shaft 22 and the camshaft 21 are arranged in parallel, a shifting fork guide part which is attached to the shifting fork cam 18 is arranged on the shifting fork 19, a shifting fork cam limiting groove 1801 is further formed in one side of the shifting fork cam 18, a shifting fork cam limiting roller 20 which is matched with the shifting fork cam limiting groove 1801 is arranged on the shifting fork 19, the shifting fork cam limiting roller 20 is rotatably arranged in the shifting fork cam limiting groove 1801, the shifting fork 19 is connected with the lifting frame 12 and drives the lifting frame 12 to lift in a reciprocating mode, and the camshaft 21 and the shifting fork shaft 22 are both rotatably installed on the rolling forming frame 11. The middle part of swing arm rotates and installs on roll forming frame 11 to make the swing arm form lever mechanism, the one end of swing arm links to each other with the rolling head, and the other end and the laminating of roll-in cam 17, the swing arm is connected with and promotes its spring that compresses tightly roll-in cam 17, and the output shaft of shaping motor links to each other with camshaft 21 and drives camshaft 21 and rotate, thereby makes roll-in cam 17 and shift fork cam 18 synchronous rotation, thereby has realized that mould cover seat and rolling head move to opposite direction in step.

As shown in fig. 4: the utility model also provides a pottery roll forming machine, including conveying mechanism, drying device and foretell roll forming mechanism 6, the last a plurality of moulds 14 that are provided with of conveying mechanism, install the roll extrusion head on the roll forming mechanism 6, still include power device, power device passes through geneva mechanism and links to each other with conveying mechanism and drives conveying mechanism and be intermittent type nature motion, and power device links to each other and drives the roll extrusion head through roll forming mechanism 6 and goes up and down, makes conveying mechanism and roll extrusion head realize the linkage. The rolling forming mechanism 6 and the conveying mechanism of the ceramic rolling forming machine are driven by a power device, so that the rolling forming mechanism 6 and the conveying mechanism are linked, the precise matching of the rolling forming mechanism 6 and the conveying mechanism is ensured, the frequent stop of equipment is avoided, the equipment is prevented from being damaged due to the mutual interference of the rolling forming mechanism 6 and the conveying mechanism, the fault rate of the equipment is reduced, and the equipment is more stable in operation.

This pottery roll forming machine still sets gradually along conveying mechanism's direction of delivery including repairing shape mechanism 3 and last mud machine 5, and repair shape mechanism 3, last mud machine 5 and roll forming mechanism 6 and set up on conveying mechanism's right side, and drying device sets up on conveying mechanism's left side, and in this embodiment, conveying mechanism is mould conveying chain 1. The power device is a forming motor which is connected with the mould conveying chain 1 through a sheave mechanism and drives the mould conveying chain to intermittently move.

And a conveying belt 2 is arranged on one side of the shape modification mechanism 3, manipulators for transferring products are arranged between the shape modification mechanism 3 and the mold conveying chain 1 and between the shape modification mechanism 3 and the conveying belt 2, and the conveying belt 2 is used for conveying out the modified products.

Drying device includes stoving case 35, fan 4 and combustor, and stoving case 35 covers and establishes in the left end outside of mould conveying chain 1, and stoving case 35 is the cuboid box, and the combustor sets up the downside at stoving case 35, and fan 4 sets up in stoving case 35 one side, and the mouth of fan 4 is linked together with the bocca of combustor, and the air outlet and the stoving case 35 of fan 4 are linked together to dry the product. The fans 4 can be arranged in a plurality of ways as required, and the burners are in one-to-one correspondence with the fans 4.

The shape trimming mechanism 3 comprises a shape trimming disc and a shape trimming wheel, the shape trimming disc is horizontally arranged on one side of the mold conveying chain 1, the shape trimming disc is connected with a shape trimming disc motor which drives the shape trimming disc motor to rotate, a plurality of shape trimming frames are uniformly distributed on the upper side of the shape trimming disc at intervals, the shape trimming frames are spliced into an annular shape coaxial with the shape trimming disc, the shape trimming frames are disc-shaped, and the upper sides of the shape trimming frames are provided with clamping grooves which are concave in the middle, so that products to be trimmed are clamped. The shape modifying wheel is horizontally arranged on the upper side of the shape modifying disc, the shape modifying wheel is sequentially aligned with each planet carrier, the planet wheel is connected with a motor which drives the shape modifying wheel to rotate, the shape modifying disc is supported by foam, and a plurality of shape modifying teeth are arranged on the side portion of the shape modifying disc at intervals. The shape-trimming wheel motor can also be connected with a trimming cylinder for pushing the shape-trimming wheel motor to move horizontally, so that the position of the shape-trimming wheel is adjusted, and the use is convenient.

As shown in fig. 5 ~ 6, the mud feeding machine 5 includes two mud feeding chains 10 and mud pushing cylinders, the mud feeding chains 10 are rotatably mounted on the mud feeding support 7, in this embodiment, the two mud feeding chains 10 are symmetrically disposed, the two mud feeding chains 10 are both inclined, and the distance between the two mud feeding chains 10 is gradually reduced from bottom to top, so as to prevent the mud bars 8 from falling off from the mud feeding chains 10, a plurality of mud bar supporting plates 9 are disposed at intervals on each mud feeding chain 10, the mud bar supporting plates 9 are groove-shaped with openings facing outward, the mud bar supporting plates 9 move synchronously with the corresponding mud feeding chains 10, the mud bars 8 are disposed on the mud bar supporting plates 9, each mud feeding chain 10 is connected with a mud feeding motor for driving the mud feeding chain to rotate, so as to complete the conveying of the mud bars 8, the mud pushing cylinders correspond to the mud feeding chains 10 one by one, the mud feeding chains 10 are disposed between the mold conveying chains 1 and the corresponding mud pushing cylinders, piston rods of the mud pushing cylinders are disposed parallel to the mud pushing cylinders, and the speed of the mud feeding chains 10 is increased sequentially through the two mud feeding chains 10.

As shown in fig. 7: one end of the mould conveying chain 1 is provided with a driving chain wheel 23 meshed with the mould conveying chain, the other end of the mould conveying chain is provided with a driven chain wheel 30 meshed with the mould conveying chain, and the driving chain wheel 23 and the rolling forming mechanism 6 are arranged at the same end. The forming motor is connected with the driving chain wheel 23 through a sheave mechanism, so that the mould conveying chain 1 is driven to move intermittently.

The geneva gear comprises a driving plate 28 and a geneva wheel 29, wherein the driving plate 28 and the geneva wheel 29 are both arranged in a transmission box 24, a driving chain wheel 23 is arranged at the upper side of the transmission box 24, the driving chain wheel 23 is arranged in the transmission box 24 through a coaxially arranged driving chain wheel shaft 25, the driving chain wheel 23 and the driving chain wheel shaft 25 synchronously rotate, the geneva wheel 29 is coaxially arranged on the driving chain wheel shaft 25 and drives the driving chain wheel shaft 25 to synchronously rotate, the driving plate 28 is arranged at one side of the geneva wheel 29, and the driving plate 28 is meshed with the geneva wheel 29 so as to realize intermittent movement of the driving.

A worm and gear mechanism is arranged between the forming motor and the dial 28, the worm and gear mechanism is arranged in the transmission box 24 and comprises a worm wheel 27 and a worm 26, the worm wheel 27 and the dial 28 are coaxially connected and keep synchronous rotation, the worm 26 is arranged on one side of the worm wheel 27, the worm 26 is meshed with the worm wheel 27, and an output shaft of the forming motor is connected with the worm 26 and drives the worm 26 to rotate. The worm gear mechanism has the characteristic of reverse self-locking, so that the dies 14 on the die conveying chain 1 can be aligned with the corresponding die sleeve seats when the die conveying chain 1 is static, and the working stability of the equipment is ensured.

as shown in fig. 8 ~ 9, the driven sprocket 30 is rotatably mounted on a chain tensioning mechanism, the chain tensioning mechanism includes a translating frame 34 and a tensioning cylinder 33, the driven sprocket 30 is rotatably mounted on the translating frame 34 and moves along a direction close to or away from the driving sprocket 23 along with the translating frame 34, the translating frame 34 is slidably mounted on the tensioning frame 31, a dovetail groove 3101 is formed in the upper side of the tensioning frame 31, a trapezoidal guide rail matched with the dovetail groove 3101 is arranged on the lower side of the translating frame 34 to guide the translating frame 34, the tensioning cylinder 33 is mounted on the tensioning frame 31, the tensioning cylinder 33 is arranged on a side of the tensioning frame 31 away from the driving sprocket 23, a piston rod of the tensioning cylinder 33 is arranged towards the driving sprocket 23, a piston rod of the tensioning cylinder 33 is connected with the translating frame 34 to drive the translating frame 34 to translate, when the device operates, the tensioning cylinder 33 pushes the driven sprocket 30 to move in a direction away from the driving sprocket 23, so as to ensure that the mold conveying chain 1 is stable in operation, and when the device stops pushing the tensioning cylinder 33 to move towards the driving sprocket 23, the service life of the mold is not affected by the chain.

The tensioning frame 31 is further provided with a limiting bolt 32, the limiting bolt 32 and the tensioning cylinder 33 are symmetrically arranged on two sides of the translation frame 34, the limiting bolt 32 is arranged on one side, close to the driving chain wheel 23, of the translation frame 34, so that the die conveying chain 1 is limited after the die conveying chain 1 is loosened, the die conveying chain 1 is prevented from being separated from the driven chain wheel 30 and the driving chain wheel 23 due to excessive loosening, the limiting bolt 32 is in threaded connection with the tensioning frame 31, the position of the limiting bolt 32 can be adjusted as required, and the adjustment is convenient.

Example 2

As shown in fig. 10 ~ 11, the difference between embodiment 2 and embodiment 1 is that the drying apparatus includes a drying box 35, a fan 4 and an air injection pipe 40, the drying box 35 is a rectangular box, the drying box 35 is covered outside the mold conveying chain 1, the air injection pipe 40 is parallel to the mold conveying chain 1 and is arranged on the upper side of the mold conveying chain 1, both ends of the air injection pipe 40 are closed, the bottom of the air injection pipe 40 is provided with a plurality of air injection holes at intervals, so that hot air can be uniformly sprayed onto the product on the mold 14, in this embodiment, two rows of the air injection pipe 40 are provided, the two rows of the air injection pipe 40 are correspondingly arranged on both sides of the mold conveying chain 1, each row is provided with a plurality of air injection pipes 40 at intervals, the fan 4 is arranged on the upper side of the drying box 35, the air outlet of the fan 4 is simultaneously communicated with the plurality of air injection pipes 40, the air inlet of the fan 4 is connected with an air inlet pipe 45, the air inlet pipe 45 can be connected with a fire injection port of a burner or a flue of a boiler, so that hot air can be uniformly sprayed onto the.

The drying box 35 is further provided with a distribution pipe 37, the distribution pipe 37 is horizontally arranged, two ends of the distribution pipe 37 are closed, in this embodiment, two distribution pipes 37 are arranged, and the two distribution pipes are respectively arranged above one corresponding side of the mold conveying chain 1. The mould conveying chain 1 is arranged on the upper side of an air injection pipe 40, the air injection pipe 40 is communicated with a distribution pipe 37 through a communicating pipe 38, the communicating pipes 38 are in one-to-one correspondence with the air injection pipe 40, a communicating pipe gate valve 39 is arranged in each communicating pipe 38, the air injection speed of each air injection pipe 40 can be controlled through the communicating pipe gate valve 39, the use is convenient, and an air outlet of the fan 4 is communicated with the middle part of the distribution pipe 37.

Still be provided with hot-blast recovery system between fan 4 and the stoving case 35, hot-blast recovery system is including retrieving branch pipe 42 and retrieving the person in charge 41, retrieve branch pipe 42 and jet-propelled pipe 40 one-to-one, and retrieve the vertical setting of branch pipe 42 under the jet-propelled pipe 40 that corresponds, the uncovered setting in upper end of retrieving branch pipe 42, the lower extreme of retrieving branch pipe 42 is linked together with retrieving the person in charge 41, the one end of retrieving the person in charge 41 is sealed and is set up, the other end is linked together with the air intake of fan 4, it is provided with the recovery person in charge gate valve 44 to retrieve between the air intake of person in charge 41 and fan 4, be provided with air inlet gate valve 36 between the air intake of air-supply line 45 and fan 4, thereby can adjust as required, can send into the stoving case 35 with outside.

Each recovery branch pipe 42 is provided with a recovery branch pipe gate valve 43, and the on-off and the air intake of the recovery branch pipes 42 can be controlled through the recovery branch pipe gate valves 43, so that the adjustment is convenient.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A roll forming mechanism is characterized in that: the rolling device comprises a rolling head, a die sleeve seat, a rolling cam (17) and a shifting fork cam (18), wherein the rolling cam (17) and the shifting fork cam (18) are coaxially arranged and keep synchronous rotation, the rolling cam (17) is connected with the rolling head through a swing arm and drives the rolling head to lift, the shifting fork cam (18) is connected with the die sleeve seat through a shifting fork (19) and drives the die sleeve seat to lift, and the die sleeve seat is connected with a rolling power device driving the die sleeve seat to rotate.

2. The roll forming mechanism of claim 1, wherein: one side of the shifting fork cam (18) is provided with a shifting fork cam limiting groove (1801), a shifting fork cam limiting roller (20) is arranged on the shifting fork (19), and the shifting fork cam limiting roller (20) is arranged in the shifting fork cam limiting groove (1801) in a sliding mode.

3. The roll forming mechanism of claim 1, wherein: the die sleeve seat is arranged on the lifting frame (12), the lifting frame (12) is slidably arranged on the rolling forming frame (11), the shifting fork (19) is connected with the lifting frame (12) and drives the lifting frame (12) to lift, and the die sleeve seat is arranged on the upper side of the lifting frame (12).

4. A roll forming mechanism according to claim 3, wherein: the rolling forming frame (11) is provided with a vertical guide shaft (13), and the lifting frame (12) is connected with the guide shaft (13) in a sliding mode through a linear bearing.

5. The roll forming mechanism of claim 1, wherein: the lower side of the die sleeve seat is provided with a rolling main shaft (15), the rolling main shaft (15) is connected with the die sleeve seat and drives the die sleeve seat to synchronously rotate, the shifting fork (19) is connected with the rolling main shaft (15), and the rolling power device is connected with the rolling main shaft (15) and drives the rolling main shaft to synchronously rotate.

6. The roll forming mechanism of claim 1, wherein: the rolling power device is a brake motor.

7. The roll forming mechanism of claim 1, wherein: the rolling head has two, and the mould cover seat corresponds and sets up in the rolling head downside that corresponds one-to-one with the rolling head.