CN118850838B - Roll changing mechanism for film blowing machine - Google Patents
Roll changing mechanism for film blowing machine Download PDFInfo
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- CN118850838B CN118850838B CN202411328910.2A CN202411328910A CN118850838B CN 118850838 B CN118850838 B CN 118850838B CN 202411328910 A CN202411328910 A CN 202411328910A CN 118850838 B CN118850838 B CN 118850838B
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- 238000010096 film blowing Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 74
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims 4
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000116 mitigating effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 238000005096 rolling process Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
Abstract
The invention relates to the technical field of auxiliary tools of film blowing machines, and discloses a roll changing mechanism for a film blowing machine, which comprises a bottom frame, a replacement roller, a winding roller and two mutually symmetrical side plates fixed on the bottom frame, wherein an auxiliary roller driven by a motor to roll up a film and a cutting assembly used for cutting the film are arranged between the two side plates, a falling assembly used for falling down the winding roller is arranged between the two side plates, a bottom plate is fixed at the front end of the bottom frame, a lifting assembly used for lifting the winding roller is arranged on the bottom plate, a start-stop assembly used for inclining the angle of the lifting assembly is arranged on the bottom plate, a start-stop button used for starting or closing the lifting assembly is arranged on one side plate, and when the falling assembly runs, the start-stop button is driven to work through the synchronous assembly. The invention effectively solves the problems that the coiling shaft is extremely time-consuming and labor-consuming after the coiled film is taken down and the working efficiency of the coiling shaft is affected by the cooperation of each component in the prior art.
Description
Technical Field
The invention relates to the technical field of auxiliary tools of film blowing machines, in particular to a roll changing mechanism for a film blowing machine.
Background
The reel changing mechanism of the film blowing machine is an important component part in the film blowing production process, in the continuous production process of the film blowing machine, when a film reel on one reel reaches a specified size, the reel changing mechanism can automatically switch the film from the reel of the full reel to a new empty reel so as to realize continuous production without stopping, and the production efficiency is improved. The winding shaft is used for winding the film, the transmission device provides power for the winding shaft, the switching device can accurately and rapidly perform switching operation of the winding shaft, when the winding needs to be replaced, the switching device is started to guide the edge of the film to a new empty winding shaft, the new winding shaft starts to rotate the winding film, and meanwhile, the old winding shaft gradually stops working. The whole process needs to be precisely controlled to ensure stable tension and winding quality of the film.
Most of film blowing machines on the market at present are automatic operations and can realize continuous production, but the inventor finds that after the old winding shaft stops working, the old winding shaft needs to be lifted by a worker to be taken down from a reel changing mechanism for subsequent processing such as warehousing, and the winding shaft after winding the film has larger specification, so that the time and the labor are wasted in the moving process, and the working efficiency of the film is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reel changing mechanism for a film blowing machine, which solves the problems that the coiling shaft is extremely time-consuming and labor-consuming after the coiled film is taken down and the working efficiency of the coiling shaft is affected in the prior art.
The roll changing mechanism for the film blowing machine comprises a bottom frame, a replacement roller, a winding roller and two mutually symmetrical side plates fixed on the bottom frame, wherein an auxiliary roller driven by a motor to roll up films and a cutting assembly for cutting films are arranged between the two side plates, a falling assembly for falling down the winding roller is arranged between the two side plates, a bottom plate is fixed at the front end of the bottom frame, a lifting assembly for lifting the winding roller is arranged on the bottom plate, a start-stop assembly for tilting the angle of the lifting assembly is arranged on the bottom plate, a start-stop button for starting or closing the lifting assembly is arranged on one side plate, when the falling assembly is in operation, the start-stop button is driven to work by a synchronous assembly, a protection assembly for shielding the falling down of the winding roller is arranged on the opposite side walls of the two side plates, and when the start-stop assembly is in operation, the protection assembly is synchronously driven by the linkage assembly;
The jacking component comprises two mutually symmetrical separation seats fixed on a bottom plate, wherein two fixing boxes with hollow inside are movably connected between the separation seats, a reciprocating screw rod is rotationally arranged in the fixing boxes, a servo motor is arranged on the side wall of each fixing box, a bevel gear is arranged at the output end of each servo motor and on each reciprocating screw rod, the bevel gears are mutually meshed, a thread seat is connected on each reciprocating screw rod in a threaded manner, the jacking seat is installed on each thread seat through a support, a fixing seat is arranged on each jacking seat, and insertion plates capable of lifting a winding roller are arranged at the positions of two ends of each fixing seat.
Further, the falling assembly comprises a rotating rod which is rotatably arranged between two side plates, two mutually symmetrical falling plates are arranged on a rod body of the rotating rod, a U-shaped notch is reserved on each falling plate and used for driving a winding roller to move, an electric push rod is arranged on the inner side wall of one side plate, and the free end of the electric push rod is arranged on the corresponding falling plate through a movable shaft.
Further, the synchronous component is a shielding component and comprises a rectangular opening formed in the side plate, a fixing rod is arranged in the opening, a sliding block is movably arranged on the fixing rod, the same connecting rod is arranged between the sliding block and the corresponding falling plate through a hinge shaft, a fastening rod penetrating through the opening is fixed at the front end of the sliding block, and a stop block for opening or closing a start-stop button is arranged at the tail end of the fastening rod.
Further, the shielding assembly further comprises shielding plates arranged on the opposite side walls of the two side plates through connecting shafts, a through hole is formed in each shielding plate, and a guide block penetrating through the through hole is preset on the corresponding sliding block.
Further, the start-stop assembly comprises a base which is fixed on the underframe and is hollow and has no top cover, a guide screw rod driven by a motor is rotationally arranged in the base, a sliding seat is connected to the guide screw rod in a threaded manner, at least one second straight rack is fixed at the front end of the sliding seat, the same connecting rod is rotationally arranged between the two corresponding separation seats and the fixed box, and a second gear meshed with the second straight rack is arranged on the connecting rod.
Further, the protection component comprises first straight racks which are arranged on two side walls of the sliding seat through the connecting frame, sliding ports which can be used for the connecting frame to move are reserved on the corresponding side plates, rotating shafts are arranged on opposite side walls of the two side plates in a rotating mode, first gears meshed with the first straight racks are arranged on the rotating shafts, and protection plates are further arranged on the rotating shafts.
Further, the cutting assembly comprises fastening plates which are arranged at two ends of the auxiliary roller in a rotating mode, the two fastening plates are provided with placing plates through movable shafts, a plurality of sliding rods are fixed between the two fastening plates, the same cutting knife is movably arranged on the sliding rods, and the cutting knife and one of the fastening plates are driven by external equipment.
Further, a buffer component for reducing the falling impact force of the winding roller is further arranged on the bottom plate, the buffer component comprises a buffer box which is fixed on the bottom plate and is hollow and has no top cover, a plurality of damping springs are distributed in the buffer box, and a buffer seat which is the same is fixed on the damping springs, wherein the top of the buffer seat is in an arc shape.
Further, a guide roller is rotatably arranged between the two side plates.
Further, the top front ends of the two side plates form an included angle alpha with the horizontal plane, wherein the included angle alpha is 5 degrees, a fixed plate is arranged at the front end of the side plates, the fixed plate is in a side T shape, the start-stop button is arranged on the fixed plate, and a slope is reserved on a transverse plate of the fixed plate so as to form a placement area for placing the winding roller with the fixed plate.
Compared with the prior art, the invention provides a roll changing mechanism for a film blowing machine, which has the following beneficial effects:
1. According to the invention, through the jacking component and the start-stop button, the start-stop button is started through the synchronous component when the original falling component falls down on the winding roller, so that the jacking component works normally, the winding roller which is wound with the film is jacked up, and the jacking component is inclined by matching with the work of the follow-up start-stop component, so that the winding roller can be normally placed on the buffer component, and the condition that time and labor are wasted due to manual operation is avoided.
2. According to the invention, through the arranged falling component and the shielding component, when the falling component falls down on the winding roller, the sliding block is driven to move gradually through the connecting rod, and in the moving process of the sliding block, the sliding block moves in the through hole through the guide block, so that the shielding plate can change in angle, the purpose of shielding protection in the rolling process of the winding roller is further achieved, the effect of starting the start-stop button is achieved by pushing the stop block gradually when the sliding block moves, the start of the jacking component is synchronously realized, the whole structure is compact, and overall management is convenient.
3. According to the invention, through the start-stop assembly, after the jacking assembly is used for jacking the winding roller, the guide screw rod rotates to drive the sliding seat to move, so that the tilting action of the fixed box is completed through the mutual engagement between the second straight rack and the second gear, and then the falling treatment of the winding roller is completed, and during the period, the rotation of the protection plate can be completed due to the mutual engagement between the first straight rack and the first gear, so that the protection plate can completely shield and protect the winding roller in the falling process of the winding roller, and the winding roller is prevented from rolling out from two sides to hurt workers.
4. According to the invention, through the buffer assembly, the winding roller can directly fall onto the buffer seat in the falling process, and the purpose of damping and buffering the winding roller is achieved by using the damping spring, so that the winding roller can stably fall to the ground.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1 of the present invention;
FIG. 3 is a schematic view of the portion of FIG. 1 (including the drop assembly and the shield assembly) according to the present invention;
FIG. 4 is a schematic view of a partial driving structure according to the present invention;
FIG. 5 is a schematic view of the structure of the lift assembly and start-stop assembly of the present invention;
FIG. 6 is a schematic view of a buffer assembly according to the present invention;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 3 according to the present invention;
FIG. 8 is an enlarged schematic view of the structure at B in FIG. 3 according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 4 at C in accordance with the present invention;
fig. 10 is an enlarged schematic view of the structure at D in fig. 5 according to the present invention.
1, A bottom frame, 2, a side plate, 3, a bottom plate, 4, an auxiliary roller, 5, a cutting assembly, 501, a fastening plate, 502, a placing plate, 503, a sliding rod, 504, a cutting knife, 6, a replacement roller, 7, a winding roller, 8, a dropping assembly, 801, a rotating rod, 802, a dropping plate, 803, an electric push rod, 9, a shielding assembly, 901, a connecting rod, 902, a sliding block, 903, a fixing rod, 904, a shielding plate, 905, a through hole, 906, a guide block, 907, a fastening rod, 908, a stopper, 10, a protection assembly, 1001, a first rack, 1002, a rotating shaft, 1003, a first gear, 1004, a protection plate, 11, a jacking assembly, 1101, a fixing box, 1102, a fixing seat, 1103, a plugboard, 1104, a separation seat, 1105, a reciprocating screw rod, 1106, a jacking seat, 1107, a screw seat, 1108, 1109, a connecting rod, a second gear, 12, a starting assembly, a base, 1202, a guide screw rod, 1203, a sliding seat 1204, a second straight rack, 1301, a damping spring, 1201, a damping roller, a damping seat, a damping spring, a damping roller, a damping seat, and a damping roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-10, the invention provides a technical scheme, a roll changing mechanism for a film blowing machine comprises a bottom frame 1, a replacing roller 6, a winding roller 7 and two mutually symmetrical side plates 2 fixed on the bottom frame 1, wherein the bottom frame 1 is formed by welding a plurality of square tubes to ensure the stability of the bottom frame, a guide roller 14 is rotatably arranged between the two side plates 2, the film blowing machine performs blanking through the guide roller 14 in the film blanking process to ensure the stability of the winding film, the top front ends of the two side plates 2 and the horizontal plane form an included angle alpha, wherein the included angle alpha is 5 degrees, the winding roller 7 rolls to the end at the side plates 2 when falling through the work of a falling assembly 8, a plate 15 is arranged at the front end of the side plates 2, the fixed plate 15 takes a side T shape, a slope 17 is reserved on the transverse direction of the fixed plate 15, the slope 17 is also 5 degrees, the slope of the slope 17 forms a slope for placing the winding roller 7 on the placement area, and the slope is placed in a rolling area when the winding roller 7 is in a rolling area.
Further, referring to fig. 1, an auxiliary roller 4 driven by a motor to roll up the film and a cutting assembly 5 for cutting the film are disposed between the two side plates 2, the auxiliary roller 4 rotates slowly, the film rolling operation can be completed, and the roll changing and cutting operations can be synchronously realized through the operation of the cutting assembly 5 in the roll changing process.
Referring to fig. 3, the cutting assembly 5 includes fastening plates 501 rotatably disposed at two ends of the auxiliary roller 4, two fastening plates 501 are provided with a placement plate 502 through a movable shaft, and a holding area is formed between the placement plate 502 and the fastening plate 501, so that the placement plate 502 connected with the movable shaft can ensure that the replacement roller 6 is placed thereon, and meanwhile, in the process of changing a coil, the placement plate 502 connected with the movable shaft can complete the coil changing work of the replacement roller 6 when contacting with the falling plate 802, so as to ensure the subsequent coil changing work (this is a simple working principle of automatic coil changing), a plurality of slide bars 503 are fixed between the two fastening plates 501, the same cutting knife 504 is movably disposed on the plurality of slide bars 503, the cutting knife 504 and one fastening plate 501 are driven by an external device, and in the process of changing a coil, the external device moves on the slide bars 503 through driving the cutting knife 504, so as to complete the cutting work.
Further, be equipped with between two curb plates 2 and be used for to the whereabouts subassembly 8 of lapping roller 7, the front end of chassis 1 is fixed with bottom plate 3, be equipped with on bottom plate 3 and be used for the jacking subassembly 11 that promotes lapping roller 7, and be equipped with on chassis 1 and be used for the start-stop subassembly 12 of slope jacking subassembly 11 angle, jacking subassembly 11 is after accomplishing work, by start-stop subassembly 12's start-up, carry out the change on the angle to jacking subassembly 11, accomplish then the whereabouts operation to lapping roller 7, avoid lapping roller 7 weight after the winding membrane to weigh excessively, influence staff's operation, be equipped with on the alternative curb plate 2 and be used for opening or closing the start-stop button 16 of jacking subassembly 11, the whereabouts subassembly 8 is when the operation, can promote the start-stop button 16 work through synchronous subassembly, and all be equipped with the protection subassembly 10 that is used for sheltering from lapping roller 7 whereabouts at the opposite lateral wall of curb plate 2, when start-stop subassembly 12 is at the operation, can drive the protection subassembly 10 motion in step through the linkage subassembly.
The falling assembly 8 comprises a rotating rod 801 rotatably arranged between two side plates 2, two mutually symmetrical falling plates 802 are arranged on a rod body of the rotating rod 801, the movable performance of the rotating rod 801 is guaranteed, the falling plates 802 can be inclined in angle, a U-shaped notch is reserved in the falling plates 802 for driving the winding roller 7 to move, the winding roller 7 can be placed at the U-shaped notch, lifting of the winding roller 7 and subsequent waiting roll changing series operation are completed, an electric push rod 803 is arranged on the inner side wall of one side plate 2, the free end of the electric push rod 803 is arranged on the corresponding falling plate 802 through a movable shaft, and the falling plates 802 can be driven to perform angle inclination operation through pushing of the electric push rod 803.
Further, referring to fig. 3 and 7, the synchronization assembly is a shielding assembly 9, which includes a rectangular opening formed on the side plate 2, a fixed rod 903 is disposed in the opening, a slide block 902 is movably disposed on the fixed rod 903, a same connecting rod 901 is disposed between the slide block 902 and the corresponding falling plate 802 through a hinge shaft, when the falling plate 802 performs angular transformation, the connecting rod 901 connected through the hinge shaft can complete the movable processing of the slide block 902 on the fixed rod 903 when the falling plate 802 moves, a fastening rod 907 penetrating through the opening is fixed at the front end of the slide block 902, a stop 908 for opening or closing the start-stop button 16 is disposed at the tail end of the fastening rod 907, the slide block 902 gradually moves through the fastening rod 907, after the stop 908 contacts the start-stop button 16, the opening operation of the lifting assembly 11 is completed, a through opening 905 is formed on the shielding plate 904, a guide block 905 preset on the corresponding slide block penetrates through the opening 905 when the corresponding slide block is further moved around the guide block 905, and the rolling angle of the shielding assembly is further satisfied in the rolling direction of the shielding assembly 906 when the slide block 905 is moved, and the rolling angle is further satisfied in the rolling direction of the shielding assembly 906.
The jacking component 11 comprises two mutually symmetrical partition bases 1104 fixed on a bottom plate 3, wherein an internally hollow fixed box 1101 is movably connected between the two partition bases 1104, it is worth to say that a reverse U-shaped frame is also arranged at the bottom of the fixed box 1101, the same connecting rod 1109 is rotatably arranged between the two partition bases 1104 and the U-shaped frame of the fixed box 1101, a reciprocating screw rod 1105 is rotatably arranged in the fixed box 1101, a servo motor is arranged on the side wall of the fixed box 1101, bevel gears 1108 are arranged at the output end of the servo motor and the reciprocating screw rod 1105, the two bevel gears 1108 are mutually meshed, the start and stop button 16 is started, the servo motor is started by the mutual meshing between the two bevel gears 1108 to drive the rotation operation of the reciprocating screw rod 1105, a threaded base 1107 is in threaded connection with the reciprocating screw rod 1105, the threaded base 1107 is provided with a jacking base 1103 through a bracket, a fixed base 1106 is arranged on the jacking base 1106, a notch 1106 is arranged at the top of the corresponding fixed base 1102, a reciprocating screw rod 1105 passes through the jacking base, and a winding roller 7 is arranged at the positions of two ends of the fixed base 1102, and the lifting base is driven by the lifting base 7 to rotate by the aid of the lifting base.
Further, referring to fig. 5 and 10, the start-stop assembly 12 includes a base 1201 fixed on the chassis 1 and having no top cover, a guiding screw 1202 driven by a motor is rotationally provided on the base 1201, a sliding seat 1203 is screwed on the guiding screw 1202, two second straight racks 1204 are fixed on the front end of the sliding seat 1203, the motor starts to rotate during driving, so as to drive the sliding seat 1203 to start moving, synchronously, the second straight racks 1204 move radially, a second gear 1110 meshed with the second straight racks 1204 is provided on the connecting rod 1109, and the connecting rod 1109 is driven to rotate by the second gear 1110 due to the mutual meshing of the second straight racks 1204 and the second gear 1110, so as to complete the angle change on the fixed box 1101, and then complete the dropping process around the winding roller 7.
The protection assembly 10 comprises first straight racks 1001 which are arranged on two side walls of a sliding seat 1203 through connecting frames, sliding ports which can be used for connecting frames to move are reserved on corresponding side plates 2, the connecting frames penetrate through the sliding ports, rotating shafts 1002 are arranged on opposite side walls of the two side plates 2 in a rotating mode, first gears 1003 meshed with the first straight racks 1001 are arranged on the rotating shafts 1002, protection plates 1004 are further arranged on the rotating shafts 1002, when the sliding seat 1203 moves, the first straight racks 1001 installed through the connecting frames can synchronously move, the first gears 1003 and the first straight racks 1001 are meshed, the first gears 1003 can drive the protection plates 1004 to rotate through the rotating shafts 1002, and accordingly, the protection plates 1004 can completely shield and protect the winding rollers 7 in the falling process of the winding rollers 7, and workers are prevented from being damaged by rolling out of the two sides.
Further, the bottom plate 3 is further provided with a buffer component 13 for reducing the falling impact force of the winding roller 7, the buffer component comprises a buffer box 1301 fixed on the bottom plate 3 and having no top cover in the hollow, a plurality of damping springs 1302 are distributed in the buffer box 1301, and a buffer seat 1303 which is the same is fixed on the plurality of damping springs 1302, wherein the top of the buffer seat 1303 is in an arc shape, the winding roller 7 can directly fall onto the buffer seat 1303 when falling on the jacking component 11 by the start-stop component 12, the purpose of damping and buffering the winding roller 7 is achieved by using the damping springs 1302, and the winding roller 7 can stably fall to the ground.
In this embodiment, when the cutting assembly 5 is used to complete the work, the falling plate 802 is driven to perform the angle tilting operation by pushing the electric push rod 803, and the falling process of the winding roller 7 is completed, so that the winding roller 7 can accumulate force to punch the slope 17 to move in the placement area when the falling plate 802 rolls obliquely, meanwhile, when the falling plate 802 performs the angle conversion, the connecting rod 901 connected by the hinge shaft can complete the moving process of the sliding block 902 on the fixed rod 903 when the falling plate 802 moves, the sliding block 902 moves while gradually driving the stop block 908 to move by the fastening rod 907, the stop block 908 contacts the start-stop button 16 to complete the opening operation of the jacking assembly 11, and during the moving of the sliding block 902, the guide block 906 moves in the through hole 905 to realize the angle change of the shielding plate 904, further satisfying the rolling process of the winding roller 7, to achieve the purpose of shielding protection, the start and stop button 16 is started to start the servo motor, the two bevel gears 1108 are meshed with each other to drive the reciprocating screw rod 1105 to rotate, when the reciprocating screw rod 1105 rotates, the screw seat 1107 is driven to lift and move by the lifting seat 1106, the fixed seat 1102 is driven to move by the lifting seat 1106, after lifting is finished, the guide screw rod 1202 starts to rotate by the driving of the motor, the sliding seat 1203 starts to move, the second straight tooth strip 1204 moves radially synchronously, the second straight tooth strip 1204 and the second gear 1110 mesh with each other to drive the connecting rod 1109 to rotate by the second gear 1110, so that the angle on the fixed box 1101 is changed, the falling processing of the winding roller 7 is finished, during the process, the sliding seat 1203 moves, the first straight rack 1001 installed through the connecting frame can synchronously move, the first gear 1003 and the meshing of the first straight rack 1001 are utilized, the first gear 1003 drives the protection plate 1004 to rotate through the rotating shaft 1002, so that the protection plate 1004 can completely shield and protect the winding roller 7 in the falling process, the winding roller 7 is prevented from rolling out from two sides to hurt workers, the winding roller 7 can directly fall onto the buffer seat 1303 when the lifting assembly 11 falls down by the start-stop assembly 12, the purpose of damping and buffering the winding roller 7 is achieved by using the damping spring 1302, and the winding roller 7 can be stably landed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modification or substitution does not depart from the spirit and scope of the embodiments.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411328910.2A CN118850838B (en) | 2024-09-24 | 2024-09-24 | Roll changing mechanism for film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411328910.2A CN118850838B (en) | 2024-09-24 | 2024-09-24 | Roll changing mechanism for film blowing machine |
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| Publication Number | Publication Date |
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| CN118850838A CN118850838A (en) | 2024-10-29 |
| CN118850838B true CN118850838B (en) | 2024-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411328910.2A Active CN118850838B (en) | 2024-09-24 | 2024-09-24 | Roll changing mechanism for film blowing machine |
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| CN218753971U (en) * | 2022-12-05 | 2023-03-28 | 浙江超信机械科技有限公司 | Automatic roll changing and receiving mechanism of film blowing machine |
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| JPH08188305A (en) * | 1995-01-09 | 1996-07-23 | Toppan Printing Co Ltd | Bobbin feeder |
| ITFI980131A1 (en) * | 1998-06-01 | 1999-12-01 | Celli Spa | WINDING OR REWINDING MACHINE FOR THE FORMATION OF ROLLS OF BIG DIAMETER TAPE MATERIAL |
| CN209796983U (en) * | 2019-04-01 | 2019-12-17 | 罗可文 | Roll changing mechanism of winding machine |
| CN213833850U (en) * | 2020-12-07 | 2021-07-30 | 四川开物华包装材料有限公司 | Rolling film connecting machine |
| CN113371513A (en) * | 2021-06-11 | 2021-09-10 | 苏州固泰新材股份有限公司 | Film discharging and guiding device for film blowing machine |
| CN117550403A (en) * | 2023-12-22 | 2024-02-13 | 浙江铸信机械有限公司 | Automatic winding device of film blowing machine |
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|---|---|---|---|---|
| CN217263573U (en) * | 2021-12-31 | 2022-08-23 | 武汉市书豪塑胶有限公司 | Automatic winding and unwinding device |
| CN218753971U (en) * | 2022-12-05 | 2023-03-28 | 浙江超信机械科技有限公司 | Automatic roll changing and receiving mechanism of film blowing machine |
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| CN118850838A (en) | 2024-10-29 |
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