阅读说明：本技术 一种薄膜生产用收卷设备 (Rolling equipment for film production ) 是由 姚文发 于 2020-12-02 设计创作，主要内容包括：本发明涉及一种薄膜卷收卷装置,尤其涉及一种薄膜生产用收卷设备。技术问题是：提供一种可针对不同直径的芯桶进行安装和更换,在完成卷收后,可以自动对薄膜切断以及对薄膜卷自动拆卸的薄膜生产用收卷设备。实施方案为：一种薄膜生产用收卷设备,包括有底座、长支台、短支台、侧支板等；底座上安装有长支台、短支台和侧支板,长支台安装在底板的中间,短支台紧挨着长支台,侧支板沿底座中线对称设置有两个。本发明设有收卷组件,收卷组件内设的梯块、弹簧一和销钉可配合安装不同直径的芯桶,安装好芯桶之后再启动电机,电机将会带动整个收卷组件运动,这样便可将薄膜进行自动收卷。(The invention relates to a film roll winding device, in particular to a winding device for film production. The technical problem is that: the winding equipment for the film production can be used for installing and replacing core barrels with different diameters, automatically cutting off a film and automatically disassembling the film roll after the film is rolled. The implementation scheme is as follows: a winding device for film production comprises a base, a long supporting platform, a short supporting platform, a side supporting plate and the like; install long platform, short platform and collateral branch board on the base, long platform is installed in the centre of bottom plate, and short platform is close to long platform, and collateral branch board is provided with two along base central line symmetry. The film winding device is provided with the winding assembly, the ladder blocks, the first springs and the pins in the winding assembly can be matched with core barrels with different diameters, the motor is started after the core barrels are installed, the motor can drive the whole winding assembly to move, and therefore films can be automatically wound.)

1. The utility model provides a rolling equipment is used in film production, is including base, long platform, short platform and collateral branch board of propping up, installs long platform, short platform and collateral branch board on the base, and long platform is installed in the centre of bottom plate, and short platform is close to long platform, and collateral branch board is provided with two, characterized by along base central line symmetry: still including the rolling component, cut the subassembly, radius control subassembly and drive assembly, install drive assembly on the base, drive assembly is provided with two along base central line symmetry, the rolling component rotates the one side of keeping away from the base of connection on the side extension board, cut the subassembly and ann on the side extension board, radius control subassembly fixed connection is on long platform, drive assembly and collateral branch board contact, drive assembly and rolling component fixed connection, drive assembly and radius control subassembly transmission are connected.

2. A take-up apparatus for producing a thin film as claimed in claim 1, wherein: the rolling component comprises a first sliding rod, a machine frame, a motor, a spline shaft, a round platform shell, a square block, a pin, a ladder block, a first spring and a core barrel, a first sliding rod symmetry is provided with two, the one end fixed connection of a first sliding rod is on one of the side support plates, the machine frame is connected on the first sliding rod in a sliding mode, the motor is fixedly connected to the machine frame, the output shaft fixedly connected with spline shaft of the motor, the round platform shell is connected to the side support plates in a rotating mode, the round platform shell is meshed with the spline shaft, one side fixed connection of the square block is in the round platform shell, a pin is fixedly connected to four side surfaces of the square block, a ladder block is connected to each pin in a sliding mode, a first spring is sleeved on each pin, two ends of the first.

3. A take-up apparatus for producing a thin film as claimed in claim 2, wherein: the radius control assembly comprises slide way blocks, slide pieces, clamping blocks, a large rotating wheel and a second spring, one side of each slide way block is fixedly connected in a groove in the middle of the long supporting platform, the slide pieces are symmetrically arranged along the central line of each slide way block, each slide piece is fixedly provided with one clamping block, the two clamping blocks are fixedly connected to one side opposite to each other, the large rotating wheel is in contact with the clamping blocks, and the large rotating wheel is rotatably connected with the transmission assembly.

4. A take-up apparatus for producing a thin film as claimed in claim 3, wherein: the transmission component comprises a vertical plate, a first sliding column, a U-shaped slide way, a short sliding plate, a long spool, a lead screw, a winding pipe, a baffle, a third spring, a square sliding block, a fourth spring and a split nut component, wherein one side of the vertical plate is fixedly connected to one side of the base, the first sliding column is fixedly connected to one end of the vertical plate, the U-shaped slide way is fixedly connected to the middle part of the vertical plate, the U-shaped slide way is in contact with the first sliding column, the split nut components are symmetrically arranged in two, the split nut components are slidably connected to two sides of the U-shaped slide way, the short sliding plate is fixedly connected to one end of the vertical plate, which is far away from the first sliding column, the winding pipe is slidably connected to the vertical plate, one end of the winding pipe is slidably sleeved with the baffle, the baffle is slidably connected to the short sliding plate, the third spring is sleeved on the, one end of the square sliding block is fixedly connected with the rack, the lead screw penetrates through the square sliding block, the winding pipe and the short sliding plate in a rotating mode, the lead screw is in threaded fit with the opening and closing nut assembly, the long spline shaft is sleeved in the lead screw and meshed with the lead screw, and one end, far away from the winding pipe, of the long spline shaft is meshed with the large rotating wheel.

5. A take-up apparatus for producing a thin film as claimed in claim 4, wherein: the nut subassembly that opens and shuts is including slide bar three, half nut, the driving lever, the extension spring, slide bar four, spring five and bolt board, slide bar three is provided with two side by side, slide bar three slides and passes U type slide, half nut has two, when two half nuts mesh, its inside screw thread just connects, slide bar three's one end fixedly connected with half nut, the one end fixed connection of driving lever is in the one end of half nut, the both ends of extension spring respectively with half nut and U type slide fixed connection, slide bar four symmetries are provided with two, slide bar four slides and passes U type slide, the one end fixedly connected with bolt board of two slide bar four, the cover has spring five on the slide bar four, the both ends of spring five contact with U type slide and bolt board respectively, bolt board and two half nuts are pegged graft the cooperation.

6. A take-up apparatus for producing a thin film as claimed in claim 5, wherein: cut the subassembly including the cutter, stock one, stock two, the push rod, spring six, trapezoidal plate and gear subassembly, stock one and stock two slide and pass two side extension boards, cutter fixed connection is at the middle part of stock one, the one end fixed connection of push rod is at the middle part of cutter, six covers of spring are on the push rod, six both ends of spring respectively with cutter and two contacts of stock, trapezoidal plate and gear subassembly symmetry are provided with two, two trapezoidal plates are fixed connection respectively on two side extension boards, trapezoidal plate and cutter sliding contact, gear subassembly fixed connection is on two side extension boards, gear subassembly and cutter sliding contact.

7. A take-up apparatus for producing a thin film as claimed in claim 6, wherein: the gear assembly comprises an L plate, a sliding pin, a triangular plate and a seventh spring, wherein one side of the L plate is fixedly connected to one side of the side support plate, which is close to the cutter, the sliding pin penetrates through the L plate in a sliding mode, the triangular plate is fixedly connected to one end of the sliding pin, the triangular plate is in sliding contact with the side support plate, the triangular plate is in sliding fit with the cutter, the seventh spring is sleeved on the sliding pin, and two ends of the seventh spring are in contact with the triangular plate and the L plate respectively.

8. A take-up apparatus for producing a thin film as claimed in claim 7, wherein: including slide bar two, the sloping platform, spring eight, connect the flitch, spring nine, quarter butt and little runner, slide bar two is provided with two side by side, the one end fixed connection of slide bar two is in one side of a long platform recess, the sloping platform slide passes slide bar two, sloping platform and a long platform sliding connection, eight covers on slide bar two of spring, the both ends of spring eight contact with a long platform and sloping platform respectively, connect flitch sliding connection in one side of sloping platform, the nine covers of spring are in the bottom that connects the flitch, the both ends of spring nine respectively with connect flitch and sloping platform contact, the quarter butt is provided with two along the sloping platform symmetry, the one end fixed connection of quarter butt is in one side that slide bar two were kept away from to the sloping platform, little runner rotates to be connected on the quarter butt.

9. A take-up apparatus for producing a thin film as claimed in claim 8, wherein: still including straight baffle, traveller two, the spring ten, the bent plate, long spring and protruding type slider, straight baffle symmetry is provided with two, straight baffle fixed connection is in the both sides of short platform, traveller two has two sets ofly, every group is equipped with two side by side, two difference sliding connection of two sets of travellers are on two straight baffles, it has a spring ten all to overlap on every traveller two, the bent plate of the equal fixedly connected with of one end of every traveller two, long spring symmetry is provided with two, the one end fixed connection of long spring is in one side of riser, the protruding type slider of other end fixedly connected with of long spring, protruding type slider and collateral branch board fixed connection, protruding type slider and base sliding connection.

Technical Field

The invention relates to a film roll winding device, in particular to a winding device for film production.

Background

The film is a thin and soft sheet, and the film includes agricultural film, packaging film and the like, and the film needs to be rolled up in the film production process. In the prior art, for example, patent with publication number CN206985296U discloses a winding device of a film slitting machine, which includes a machine body, a winding roller shaft arranged on the machine body and used for receiving a film into a roll shape, and a feeding mechanism arranged behind the winding roller shaft and used for conveying the film to the winding roller shaft, wherein a pressing roller shaft which can be pressed on the winding roller shaft and used for keeping the film flat is arranged on the feeding mechanism. The device utilizes the pressure roller to apply a pressure to the film that has rolled up, has guaranteed the even rolling of film, but in plastic film's production process, need use the core bucket of different diameters to roll up the film product, and above-mentioned roll-up equipment is not convenient for install and fix the core bucket of different diameters, and after accomplishing the roll-up, can't cut off and the film book is dismantled voluntarily to the film, and it is inconvenient to use.

To solve the problems, the winding equipment for film production is developed, can be used for mounting and replacing core barrels with different diameters, and can automatically cut off a film and automatically disassemble the film roll after the film roll is wound.

Disclosure of Invention

In order to overcome the defects that core barrels with different diameters are inconvenient to install and fix, after the winding is finished, a film cannot be automatically cut off, and the film roll cannot be disassembled, the technical problems of the invention are as follows: the winding equipment for the film production can be used for installing and replacing core barrels with different diameters, automatically cutting off a film and automatically disassembling the film roll after the film is rolled.

The technical implementation scheme of the invention is as follows: the utility model provides a rolling equipment is used in film production, which comprises a base, long platform, short platform, the collateral branch board, the rolling subassembly, cut the subassembly, radius control subassembly and drive assembly, install long platform on the base, short platform, side extension board and drive assembly, long platform is installed in the centre of bottom plate, short platform is close to long platform, side extension board and drive assembly are provided with two along base central line symmetry, the rolling subassembly rotates to be connected one side of keeping away from the base on the side extension board, it ann is on the side extension board to cut the subassembly, radius control subassembly fixed connection is on long platform, drive assembly and collateral branch board contact, drive assembly and rolling subassembly fixed connection, drive assembly is connected with the transmission of radius control subassembly.

Optionally, the winding assembly comprises a first sliding rod, a machine frame, a motor, a spline shaft, a round platform shell, square blocks, pins, ladder blocks, a first spring and a core barrel, the first sliding rod is symmetrically provided with two, one end of the first sliding rod is fixedly connected to one of the side support plates, the machine frame is connected to the first sliding rod in a sliding mode, the motor is fixedly connected to the machine frame, the output shaft of the motor is fixedly connected with the spline shaft, the round platform shell is connected to the side support plates in a rotating mode, the round platform shell is meshed with the spline shaft, one side of each square block is fixedly connected to the inside of the round platform shell, the four side faces of each square block are fixedly connected with one pin, each pin is connected with one ladder block in a sliding mode, each pin is sleeved with one first spring, two ends of.

Optionally, the radius control assembly comprises a slide way block, two slide pieces, two clamping blocks, a large rotating wheel and a second spring, one side of the slide way block is fixedly connected in a groove in the middle of the long supporting platform, the two slide pieces are symmetrically arranged along the center line of the slide way block, one clamping block is fixed on each slide piece, the second spring is fixedly connected to one side, opposite to the two clamping blocks, of each clamping block, the large rotating wheel is in contact with the clamping blocks, and the large rotating wheel is rotatably connected with the transmission assembly.

Optionally, the transmission assembly comprises a vertical plate, a first sliding column, a U-shaped slide way, a short sliding plate, a long spool, a lead screw, a winding pipe, a baffle, a third spring, a square sliding block, a fourth spring and a split nut assembly, one side of the vertical plate is fixedly connected to one side of the base, the first sliding column is fixedly connected to one end of the vertical plate, the U-shaped slide way is fixedly connected to the middle part of the vertical plate, the U-shaped slide way is in contact with the first sliding column, the split nut assemblies are symmetrically arranged in two, the split nut assemblies are slidably connected to two sides of the U-shaped slide way, the short sliding plate is fixedly connected to one end of the vertical plate, which is far away from the first sliding column, the winding pipe is slidably connected to the vertical plate, one end of the winding pipe is slidably sleeved with the baffle, the baffle is slidably connected to the short sliding plate, the third spring is sleeved to the winding, one end of the square sliding block is fixedly connected with the rack, the lead screw penetrates through the square sliding block, the winding pipe and the short sliding plate in a rotating mode, the lead screw is in threaded fit with the opening and closing nut assembly, the long spline shaft is sleeved in the lead screw and meshed with the lead screw, and one end, far away from the winding pipe, of the long spline shaft is meshed with the large rotating wheel.

Optionally, the nut component that opens and shuts includes slide bar three, half nut, the driving lever, the extension spring, slide bar four, spring five and bolt board, slide bar three is provided with two side by side, slide bar three slides and passes U type slide, half nut has two, when two half nuts mesh, its inside screw thread just connects, the one end fixedly connected with half nut of slide bar three, the one end fixed connection of driving lever is in the one end of half nut, the both ends of extension spring respectively with half nut and U type slide fixed connection, slide bar four symmetries are provided with two, slide bar four slides and passes U type slide, the one end fixedly connected with bolt board of two slide bar four, the cover has spring five on the slide bar four, the both ends of spring five contact with U type slide and bolt board respectively, bolt board and two half nuts are pegged graft and are cooperated.

Optionally, cut the subassembly including the cutter, stock one, stock two, the push rod, spring six, trapezoidal plate and gear subassembly, stock one and stock two slide and pass two side extension boards, cutter fixed connection is at the middle part of stock one, the one end fixed connection of push rod is at the middle part of cutter, six covers on the push rod of spring, the both ends of spring six contact with cutter and stock two respectively, trapezoidal plate and gear subassembly symmetry are provided with two, two trapezoidal plates are fixed connection respectively on two side extension boards, trapezoidal plate and cutter sliding contact, gear subassembly fixed connection is on two side extension boards, gear subassembly and cutter sliding contact.

Optionally, the gear assembly comprises an L plate, a sliding pin, a triangular plate and a seventh spring, one side of the L plate is fixedly connected to one side of the side support plate, which is close to the cutter, the sliding pin penetrates through the L plate in a sliding mode, the triangular plate is fixedly connected to one end of the sliding pin, the triangular plate is in sliding contact with the side support plate, the triangular plate is in sliding fit with the cutter, the seventh spring is sleeved on the sliding pin, and two ends of the seventh spring are in contact with the triangular plate and the L plate respectively.

Optionally, including slide bar two, the sloping platform, spring eight, connect the flitch, spring nine, quarter butt and little runner, slide bar two is provided with two side by side, the one end fixed connection of slide bar two is in one side of a long platform recess, the sloping platform slide passes slide bar two, sloping platform and a long platform sliding connection, eight covers on slide bar two of spring, the both ends of spring eight contact with a long platform and sloping platform respectively, connect flitch sliding connection in one side of sloping platform, the nine covers of spring are in the bottom that connects the flitch, the both ends of spring nine contact with connecing flitch and sloping platform respectively, the quarter butt is provided with two along the sloping platform symmetry, the one end fixed connection of quarter butt is in the sloping platform one side of keeping away from slide bar two, little runner rotates to be connected on the quarter butt.

Optionally, still including straight baffle, traveller two, spring ten, the bent plate, long spring and protruding type slider, straight baffle symmetry is provided with two, straight baffle fixed connection is in the both sides of short platform, traveller two has two sets ofly, every group is equipped with two side by side, two difference sliding connection of two sets of travellers are on two straight baffles, it has a spring ten all to overlap on every traveller two, the bent plate of the equal fixedly connected with of one end of every traveller two, long spring symmetry is provided with two, the one end fixed connection of long spring is in one side of riser, the protruding type slider of other end fixedly connected with of long spring, protruding type slider and collateral branch board fixed connection, protruding type slider and base sliding connection.

The invention has the following beneficial effects:

1. the film winding device is provided with the winding assembly, the ladder blocks, the first springs and the pins in the winding assembly can be matched with core barrels with different diameters, the motor is started after the core barrels are installed, the motor can drive the whole winding assembly to move, and therefore films can be automatically wound.

2. The automatic film roll cutting device is provided with the cutting assembly, the radius control assembly and the transmission assembly, the radius control assembly shell controls the film roll winding size by replacing different large rollers, the transmission assembly drives the side supporting plate and the motor on the inner side of the roll winding assembly to move through power transmission, and therefore the operation of the roll winding assembly and the cutter is controlled, and the automatic cutting of a film roll and the automatic dismounting of the film roll can be completed.

3. The invention is provided with the inclined table, the eight springs and the material receiving plate, and the eight springs are matched with the material receiving plate, so that the falling film roll can be received and then slide along the inclined table, thereby ensuring that the film roll is not damaged when falling, and finishing the collection of the film roll.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the winding assembly of the present invention.

Fig. 3 is a partial schematic view of a take-up assembly of the present invention.

Fig. 4 is a partial perspective view of the present invention.

FIG. 5 is a perspective view of a radius control assembly according to the present invention.

Fig. 6 is a schematic perspective view of the transmission assembly of the present invention.

FIG. 7 is a partial schematic view of the transmission assembly of the present invention.

Fig. 8 is an enlarged view of a portion of the drive assembly of the present invention.

Fig. 9 is a perspective view of the split nut assembly of the present invention.

Fig. 10 is a perspective view of a cut-off assembly according to the present invention.

Fig. 11 is an enlarged view of the invention at a in fig. 10.

Fig. 12 is a schematic perspective view of the ramp and the receiving plate part of the present invention.

Fig. 13 is a schematic perspective view of the bending plate of the present invention.

The parts are labeled as follows: 1: base, 101: long support table, 102: short support table, 103: side brace, 104: riser, 1041: strut one, 1042: u-shaped slide, 1043: short slide, 2: slide bar one, 201: a rack, 202: motor, 203: spline shaft, 204: round bench shell, 205: core barrel, 2041: block, 2042: pin, 2043: ladder block, 2044: a first spring, 3: slide block, 301: a slide sheet, 302: clamping block, 303: bull wheel, 304: a second spring, 4: long flower shaft, 401: screw rod, 402: wrap tube, 4021: flap, 4022: spring three, 403: square slider, 404: spring four, 5: sliding rod three, 501: half nut, 502: deflector rod, 503: tension spring, 504: slide bar four, 505: spring five, 506: latch plate, 6: a cutter, 601: long rod I, 602: long rod two, 603: push rod, 604: spring six, 605: trapezoidal plate, a: gear assembly, 7: l-plate, 701: sliding pin, 702: set square, 703: seventh spring, 8: slide bar two, 801: ramp, 802: eight spring, 803: material receiving plate, 804: nine springs, 805: short bar, 806: small wheel, 901: straight baffle, 902: sliding column two, 903: ten springs, 904: bent plate, b 1: long spring, b 2: a convex slider.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

Example 1

The utility model provides a rolling equipment is used in film production, as shown in figure 1, including base 1, long platform 101, short platform 102, side board 103, the rolling subassembly, cut the subassembly, radius control assembly and drive assembly, long platform 101 is installed to base 1 upside, short platform 102, side board 103 and drive assembly, long platform 101 is installed in the centre of bottom plate, short platform 102 is located long platform 101 left side, side board 103 and drive assembly are provided with two along base 1 central line longitudinal symmetry, the rolling subassembly rotates to be connected at side board 103 upside, the subassembly is cut the upper left side of side board 103, radius control assembly fixed connection is at the middle part of long platform 101, drive assembly and side board 103 contact, drive assembly and rolling subassembly fixed connection, drive assembly and radius control assembly transmission are connected.

Before the film is rolled, a worker determines the rolling size, a corresponding rolling part is replaced, one end of the film is adhered to a part of a rolling device, a rolling component is started, the film is wound on the rolling component, when the film is sufficiently wound until the film is contacted with a radius control component, the radius control component drives the radius control component to rotate, the radius control component then drives power to a transmission component, the transmission component drives the rolling component to move firstly, then drives a side support plate 103 to slide along a base 1, the rolled film roll falls off from the rolling component, meanwhile, a cutting component cuts off the film, when the film roll falls off, the radius control component stops rotating, the transmission component just triggers an internal switch of the transmission component to drive the side support plate 103 and the rolling component to rebound together, and the cutting component also restores to an initial position, thus, the automatic rolling and cutting of the film are completed.

Example 2

On the basis of the embodiment 1, as shown in fig. 2 to 11, the winding assembly includes a first sliding rod 2, a frame 201, a motor 202, a spline shaft 203, a circular truncated cone housing 204, a square 2041, pins 2042, ladder blocks 2043, a first spring 2044 and a core barrel 205, the first sliding rod 2 is symmetrically provided with two, the rear end of the first sliding rod 2 is fixedly connected to a side support plate 103 at the front side, the frame 201 is slidably connected to the first sliding rod 2, the motor 202 is fixedly connected to the frame 201, an output shaft of the motor 202 is fixedly connected to the spline shaft 203, the circular truncated cone housing 204 is rotatably connected to the side support plate 103, the circular truncated cone housing 204 is engaged with the spline shaft 203, the inner side of the square 2041 is fixedly connected to the inside of the circular truncated cone housing 204, four side surfaces of the square 2041 are fixedly connected with one pin 2042, each pin 2042 is slidably connected to one ladder block 2043, each pin 2042 is provided with one spring 2044, two ends of the first spring 2044, the core barrel 205 is detachably fixed to the ladder block 2043.

Before the film is rolled, a worker selects a proper core barrel 205 to be sleeved on the ladder block 2043, one end of the film is stained on the core barrel 205, then the motor 202 is started, the motor 202 drives the circular truncated cone shell 204 to rotate, the circular truncated cone shell 204 drives the square block 2041 to rotate, the square block 2041 drives the ladder block 2043 to rotate, the ladder block 2043 drives the core barrel 205 to rotate, the film is wound on the core barrel 205, and therefore the core barrels 205 with different sizes can be replaced, and the automatic rolling of the film is completed.

The radius control assembly comprises a slide way block 3, slide pieces 301, clamping blocks 302, a large rotating wheel 303 and two springs 304, the lower side of the slide way block 3 is fixedly connected in a groove in the middle of the long supporting platform 101, the slide pieces 301 are symmetrically arranged along the center line of the slide way block 3, one clamping block 302 is fixed on each slide piece 301, the two springs 304 are fixedly connected on one side of each of the two adjacent clamping blocks 302, the large rotating wheel 303 is in contact with the clamping blocks 302, and the large rotating wheel 303 is in rotating connection with the transmission assembly.

When the film is wound to contact with the large rotating wheel 303, the large rotating wheel 303 is driven by the film to rotate, the large rotating wheel 303 transmits power to the transmission assembly, when the film rolls with different sizes need to be wound, the two clamping blocks 302 are pulled towards the middle, then the large rotating wheel 303 is taken down and replaced by a new large rotating wheel 303, and therefore the films with different sizes can be wound.

The transmission component comprises a vertical plate 104, a first sliding column 1041, a U-shaped slide way 1042, a short sliding plate 1043, a long spline shaft 4, a screw rod 401, a winding pipe 402, a baffle 4021, a third spring 4022, a square slide block 403, a fourth spring 404 and split nut components, wherein the lower side of the vertical plate 104 is fixedly connected to the upper side of the base 1, the first sliding column 1041 is fixedly connected to the upper end of the inner side of the vertical plate 104, the U-shaped slide way 1042 is fixedly connected to the middle part of the vertical plate 104, the U-shaped slide way 1042 is in contact with the first sliding column 1041, the split nut components are symmetrically arranged in two numbers, the split nut components are slidably connected to the left side and the right side of the U-shaped slide way 1042, the short sliding plate 1043 is fixedly connected to the upper end of the vertical plate 104, the winding pipe 402 is slidably connected to the outer end of the winding pipe 402, the baffle 4021 is slidably connected to the short sliding plate 1043, the third, the inner end of the spring IV 404 is fixedly connected to the square sliding block 403, the outer end of the spring IV 404 is in contact with the side supporting plate 103, the outer end of the square sliding block 403 is fixedly connected with the rack 201, the screw rod 401 rotates to penetrate through the square sliding block 403, the winding pipe 402 and the short sliding plate 1043, the screw rod 401 is in threaded fit with the opening and closing nut assembly, the long spline shaft 4 is sleeved in the screw rod 401, the long spline shaft 4 is meshed with the screw rod 401, and one end, far away from the winding pipe 402, of the long spline shaft 4 is meshed with the large rotating wheel 303.

When the large rotating wheel 303 drives the long flower shaft 4 to rotate, the long flower shaft 4 can drive the screw rod 401 to rotate, the screw rod 401 is matched with the opening and closing nut assembly in a threaded mode, at the moment, the screw rod 401 can drive the square sliding block 403, the winding pipe 402 slides forwards, the square sliding block 403 can drive the spring four 404 and the rack 201 to move, the spring four 404 can drive the side supporting plate 103 to move, when the square sliding block 403 touches the opening and closing nut assembly, the opening and closing nut assembly can be opened, at the moment, the screw rod 401 is not matched with the opening and closing nut assembly any more, the winding pipe 402 and the square sliding block 403 can be rebounded by the extruded spring three 4022, at the moment, the rack 201 and the side supporting plate 103 can also reset, and the power transmission is.

The nut opening and closing assembly comprises a third sliding rod 5, a half nut 501, a shifting rod 502, a tension spring 503, a fourth sliding rod 504, a fifth spring 505 and a latch plate 506, wherein two sliding rods 5 are arranged side by side, the third sliding rod 5 penetrates through a U-shaped slideway 1042 in a sliding mode, two half nuts 501 are arranged, when the two half nuts 501 are meshed, the internal threads of the sliding rod III are just connected, the inner end of the sliding rod III 5 is fixedly connected with a half nut 501, the inner end of a shifting rod 502 is fixedly connected to the upper end of the half nut 501, the left end and the right end of a tension spring 503 are fixedly connected with the half nut 501 and a U-shaped slideway 1042 respectively, two sliding rod IV 504 are symmetrically arranged, the sliding rod IV 504 penetrates through the U-shaped slideway 1042 in a sliding mode, the inner ends of the two sliding rod IV 504 are fixedly connected with a bolt plate 506, a spring V505 is sleeved on the sliding rod IV 504, the front end and the rear end of the spring V505 are respectively contacted with the U-shaped slideway 1042 and the bolt plate.

When the screw 401 is in threaded fit with the opening and closing nut, the screw 401 rotates and penetrates through the half nuts 501, when the screw 401 drives the square slider 403 to move to be in contact with the latch plate 506, the square slider 403 pushes the latch plate 506 and the spring five 505, so that when the latch plate 506 is separated from the half nuts 501, the tension spring 503 pulls the two half nuts 501 to be separated through tension, the slide bar three 5 connected to the two half nuts 501 slides on the U-shaped slide way 1042, until the protruding part on the slide bar three 5 is in contact with the U-shaped slide way 1042, the motion is stopped, at this time, the screw 401 cannot be matched with the half nuts 501, at this time, the compressed and accumulated spring three 4022 can drive the winding pipe 402, the screw 401 and the attachments of the screw 401 to rebound rapidly, in the process, the slider 403 can drive the shift lever 502 to approach towards the middle, finally, the two half nuts 501 are attached together, the screw 401 is matched with the half nuts 501 again, this completes the resetting of the transmission assembly.

Cut off the subassembly including cutter 6, stock one 601, stock two 602, push rod 603, six 604 springs, trapezoidal plate 605 and gear subassembly a, stock one 601 and two 602 slides and pass two side extension boards 103, 6 fixed connection at the middle part of stock one 601 of cutter, the right-hand member fixed connection of push rod 603 is at the middle part of cutter 6, six 604 covers of spring are on push rod 603, six 604 both ends of spring contact with two 602 contacts of cutter 6 and stock respectively, trapezoidal plate 605 and gear subassembly a symmetry are provided with two, two trapezoidal plates 605 are fixed connection respectively on two side extension boards 103, trapezoidal plate 605 and 6 sliding contact of cutter, gear subassembly a fixed connection is on two side extension boards 103, gear subassembly a and 6 sliding contact of cutter.

When the film roll is rolled up, the film roll needs to be cut off, when the film roll drives the radius control assembly and the transmission assembly to move, the side supports positioned at two sides of the base 1 can also be driven to move towards two sides, when the side supports move, the gear assembly a can also be driven to move to a certain extent, the gear assembly a mainly has the function of blocking the cutter 6, when the gear assembly a is separated from the cutter 6, the power-storing spring six 604 can drive the cutter 6 to rapidly slide forwards along the side support plate 103, at the moment, the cutter 6 can cut off the film in the moving process, when the side support plate 103 returns, the trapezoidal plates 605 connected at two sides of the side support plate 103 can slide relative to two ends of the cutter 6, when the side support plate 103 returns to reset, the two trapezoidal plates 605 can also drive the cutter 6 to reset, and thus the purpose of automatically cutting off the film is finished.

The gear assembly a comprises an L plate 7, a sliding pin 701, a triangular plate 702 and a spring seven 703, wherein the rear side of the L plate 7 is fixedly connected to the left upper side of the side support plate 103, the sliding pin 701 penetrates through the L plate 7 in a sliding mode, the triangular plate 702 is fixedly connected to the inner end of the sliding pin 701, the triangular plate 702 is in sliding contact with the side support plate 103, the triangular plate 702 is in sliding fit with the cutter 6, the spring seven 703 is sleeved on the sliding pin 701, and two ends of the spring seven 703 are in contact with the triangular plate 702 and the L plate 7 respectively.

When the side supporting plate 103 does not move towards two sides, the triangular plate 702 clamps the cutter 6, because the six springs 604 are in a power storage state under the condition, when the side supporting plate 103 drives the L-shaped plate 7 and the triangular plate 702 to move towards two sides, the triangular plate 702 slides relative to the cutter 6 until the two are separated, at this time, the six springs 604 drive the cutter 6 to move, when the film is cut off, the side supporting plate 103 drives the trapezoidal plate 605 to reset the cutter 6 in the returning process, at this time, one side of the cutter 6 presses the triangular block and the sliding pin 701 to slide towards the outer side of the L-shaped plate 7, at this time, the seven springs 703 are compressed until the cutter 6 passes through the triangular plate 702, the seven springs drive the sliding pin 701 and the triangular plate 702 to reset, and thus the purpose of stopping the cutter 6 and storing power for the six springs 604 is completed.

Example 3

Based on embodiment 2, as shown in fig. 12 to 13, the device further includes two sliding rods 8, an oblique table 801, two springs 802, a material receiving plate 803, two springs 804, a short rod 805, and a small rotating wheel 806, the two sliding rods 8 are arranged side by side, the left end of the sliding rod 8 is fixedly connected to the left side of the groove of the long supporting table 101, a sliding way of the oblique table 801 passes through the sliding rod 8, the oblique table 801 is slidably connected with the long supporting table 101, the springs eight 802 are sleeved on the sliding rods 8, the left end and the right end of the springs eight 802 are respectively in contact with the long supporting table 101 and the oblique table 801, the material receiving plate 803 is slidably connected to the upper side of the oblique table 801, the springs nine 804 are sleeved at the bottom of the material receiving plate 803, the upper end and the lower end of the springs nine 804 are respectively in contact with the material receiving plate 803 and the oblique table 801, the short rods 805 are symmetrically arranged along the oblique table 801, the left end of the.

After the film roll is rolled and cut off, the core barrel 205 can be separated from the ladder block 2043, the film roll can automatically fall onto the material receiving plate 803, the bottom of the material receiving plate 803 is provided with the buffer spring eight 802, after shock absorption of the spring eight 802, the film roll can stably fall onto the inclined platform 801 and roll along the inclined platform 801, the side edge of the inclined platform 801 is provided with the small roller, the position of the inclined platform 801 can be adjusted according to the size of the film roll, and therefore the film roll can smoothly fall onto the material receiving plate.

Still including straight baffle 901, sliding column two 902, spring ten 903, the bent plate 904, long spring b1 and convex slider b2, straight baffle 901 symmetry is provided with two, straight baffle 901 fixed connection is in two outsides of short platform 102, sliding column two 902 has two sets, every group is equipped with two side by side, two sets of sliding column two 902 difference sliding connection are on two straight baffle 901, all overlap on every sliding column two 902 and have a spring ten 903, the equal fixedly connected with bent plate 904 in inner of every group sliding column two 902, long spring b1 symmetry is provided with two, the outer end fixed connection of long spring b1 is in the inboard of riser 104, the inner end fixedly connected with convex slider b2 of long spring b1, convex slider b2 and collateral branch board 103 fixed connection, convex slider b2 and base 1 sliding connection.

When the film roll falls down along the inclined table 801, the film roll passes through the short supporting table 102 and is separated from the processing area, the film roll touches the bent plates 904 at two sides when passing through the short supporting table 102, springs 903 with a buffering effect are arranged on the inner sides of the bent plates 904, the bent plates 904 mainly play a role in guiding the rolling film roll, and the long springs b1 and the convex sliding blocks b2 mainly provide power for resetting the side supporting plates 103.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.