CN201777421U - Packaging thin film coil discharging device - Google Patents
Packaging thin film coil discharging device Download PDFInfo
- Publication number
- CN201777421U CN201777421U CN2010202363990U CN201020236399U CN201777421U CN 201777421 U CN201777421 U CN 201777421U CN 2010202363990 U CN2010202363990 U CN 2010202363990U CN 201020236399 U CN201020236399 U CN 201020236399U CN 201777421 U CN201777421 U CN 201777421U
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- film
- roller
- roll
- control
- discharging device
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Abstract
The utility model discloses a packaging thin film coil discharging device, which comprises a support. A thin film coil roller which holds a thin film coil is rotationally connected onto the support, a braking mechanism used for reducing rotation speed of the thin film coil roller is arranged at the end of the thin film coil roller, a braking control roller set and a driving mechanism are further arranged on the support, the braking control roller set is used for controlling the action of the braking mechanism, the driving mechanism pulls a thin film to move, and the braking control roller set deviates along with the movement of the thin film so as to drive the braking mechanism to approach or move away from the end of the thin film coil roller. The packaging thin film coil discharging device has the advantages of simple structure, capability of timely adjusting tension of the thin film according to the movement state of the thin film, and accurate adjustment.
Description
Technical field
The utility model relates to a kind of discharging device of packing film volume.
Background technology
Film is being made in the film packaging bag process, the film of rolling progressively need drawn back blowing, sewing up again and make film packaging bag.But existing film rolling discharging device mainly adopts film rolling is placed on the support, rotate progressively blowing by the pulling film by film rolling, but need make film produce certain force of strain during owing to the subsequent handling bag, but overtension or the too small bag that all is unfavorable for: overtension, film can be pulled out of shape, bag film moulding and encapsulation are with regard to irregularity, the heat-sealing offset can occur, seal problems such as not firm, equally, tension force is too small, film is lax, and bag film moulding and encapsulation also the problems referred to above can occur.So for the tension force of film blowing is controlled, existing film rolling discharging device is to adjust the predetermincd tension that film stretches in advance, but its drawback is: in case regulated predetermincd tension, its predetermined force just becomes fixed value, and machine its tensile force that is in operation is difficult to control to suitable dynamics, so the work effect of the follow-up station of influence occurs being difficult to control because of tension force.Some precision apparatus has adopted relatively more accurate complicated control element, Tension Control and adjusting parts in order accurately to control tension force in addition, and the cost of entire equipment is very high.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provide a kind of simple in structure, can be according to the timely adjustment of tonicity of film movement state, regulate the discharging device of accurate packing film volume.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of discharging device of packing film volume, comprise support, be rotatably connected to the film winding up roller that stores film rolling on the support, described film rolling roll end is provided with the braking mechanism of adjusting film winding up roller velocity of rotation by friction force, also be provided with the brake control roll wheels that are used to control the braking mechanism action on the support, the driver train of pulling film movement, described brake control roll wheels produce the deflection of different angles and direction with the film movement speed, control memberane stress thereby make braking mechanism and film rolling roll end produce different friction force.
Described film winding up roller two end portions is not provided with spacing rotating mechanism, and described film winding up roller is slidingly connected on the support by spacing rotating mechanism.
Described support is provided with horizontal slide rail, and spacing rotating mechanism is slidingly fitted on the horizontal slide rail, makes the film winding up roller slide before and after horizontal slide rail, also is provided with the location locking mechanism of spacing rotating mechanism on the horizontal slide rail.
Described film winding up roller comprises roll shaft, and the roll shaft both ends are bolted with and compress running roller, and described roll shaft compresses and is respectively minus thread between the running roller and is connected with right-hand screw thread and is connected with two respectively.
The described roll shaft that compresses the running roller inboard is provided with and is used to the inclined-plane lasso that keeps film rolling Inner core and roll shaft concentric.
Described spacing rotating mechanism comprises fixed block, but the fixed block homonymy is provided with roll shaft compact heap, two support flower wheels that support roll shaft and rotation side by side, wherein supporting flower wheel captives joint with fixed block by center shaft, the roll shaft compact heap is captiveed joint with fixed block is detachable, and the roll shaft crest clearance of film winding up roller is engaged in two and supports between flower wheels and the roll shaft compact heap three in the space.
Described to compress running roller in the form of annular discs, and described braking mechanism comprises brake facing, and described brake facing side view size cooperates with the outer circumference surface geomery that compresses running roller, and described brake facing compresses the velocity of rotation that the running roller outer circumference surface is adjusted the film roll shaft by holding tightly; The described running roller outer circumference surface that compresses is provided with the friction sleeve that is used to increase friction force.
The locking nail of described location locking mechanism for being spirally connected on slide rail, locking nail screws the roof pressure fixed block fixed block is locked.
Described brake control roll wheels comprise two fixed control rollers, are positioned at the movable control roll of two fixed control roller the same sides, be parallel to each other between fixed control roller and the movable control roll, movable control roll end is rotatably connected to the control stalk of captiveing joint with braking mechanism, movable control roll produces different friction force by control stalk control braking mechanism with the film rolling roll end with film movement deflection.
Described control stalk is L shaped, and its two ends are connected with braking mechanism with movable control roll respectively, and its turning, middle part is rotatably connected on the support.
The utility model adopts the braking mechanism control memberane stress that is provided with in the film rolling roll end, and braking mechanism is used to adjust film winding up roller velocity of rotation, and the size of memberane stress is to control by braking mechanism and film rolling roll end friction force.The winding up roller velocity of rotation is slow more, and dispensing speed is just slow more, and film is tightened up, and memberane stress increases thereupon, otherwise the winding up roller velocity of rotation is fast more, and dispensing speed is just fast more, and film is loosened, and memberane stress reduces thereupon.And the action of braking mechanism is by the control of brake control roll wheels, the coiling because film turns back in brake control roll wheels, the speed of film movement changes the deflection of feasible brake control roll wheels, deflection angle is different with direction, braking mechanism is just different with film rolling roll end friction force, so just can realize memberane stress control.The utility model is simple in structure, can in time regulate memberane stress, regulate accurately according to the film movement state.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation after the utility model embodiment installs film rolling;
Fig. 3 is the structural representation of the utility model embodiment side;
Fig. 4 is the structural representation that the spacing rotating mechanism of the utility model embodiment cooperates with horizontal slide rail.
The specific embodiment
As shown in Figure 1, 2, a kind of discharging device of packing film volume, comprise support 1, be rotatably connected to the film winding up roller 2 that stores film rolling 3 on the support 1, the film rolling 3 of present embodiment is the PVC packaging film, be the PVC film packing of food stage, its specification is that 810MM is wide, described film winding up roller 2 ends are provided with the braking mechanism 9 of adjusting film winding up roller velocity of rotation by friction force, also are provided with the brake control roll wheels 4 that are used to control braking mechanism 9 actions, the driver train (not shown) of pulling film movement on the support 1.Driver train is a motor.Described brake control roll wheels 4 produce the deflection of different angles and direction with the film movement speed, control memberane stress thereby make braking mechanism 9 and film winding up roller 2 ends produce different friction force.Described film winding up roller 2 both ends are provided with spacing rotating mechanism 8 respectively, and described film winding up roller 2 is slidingly connected on the support 1 by spacing rotating mechanism 8.Described support 1 is provided with horizontal slide rail 6, and spacing rotating mechanism 8 is slidingly fitted on the horizontal slide rail 6, makes film winding up roller 2 slide along horizontal slide rail 6 front and back, also is provided with the location locking mechanism 7 of spacing rotating mechanism 8 on the horizontal slide rail 6.
As Fig. 1, shown in 2, film winding up roller 2 comprises roll shaft 21, roll shaft 21 adopts hollow stainless steel tube, welding solid stainless steel shaft at its two ends forms, roll shaft 21 both ends are bolted with and compress running roller 23, described roll shaft 21 compresses and is respectively minus thread between the running roller 23 and is connected with right-hand screw thread with two, a left side, it is opposite with the external thread rotary veer that the other end is provided with that right-hand screw thread connects the external thread rotary veer that is meant the setting of roll shaft 21 1 ends, make that to compress the direction that running roller 23 screws on roll shaft 21 also just opposite, then in film winding up roller 2 rotation processes roll shaft 21 and two to compress running roller 23 be to change tighter and tighter.Because film rolling 3 all has the Inner core of a hollow, the Inner core retainer plate is contained on the roll shaft 21, because there are the gap in Inner core and roll shaft 21, make film rolling 3 occur eccentric phenomena when rotating, cause rotating and have some setbacks and memberane stress changes, so on each compresses the roll shaft 21 of running roller 23 inboards, all be provided with the inclined-plane lasso 22 that is used to keep film rolling 3 Inner cores and roll shaft 21 concentric.Inclined-plane lasso 22 is about roll shaft 21 axis symmetries, and inclined-plane lasso 22 is inserted in the film rolling Inner core and plays a supporting role, and rotates smooth and easy with the stability and the film rolling 3 that guarantee tension force in the film movement process.The maximum outside diameter of inclined-plane lasso 22 is greater than the internal diameter of film rolling 3 Inner cores, makes that compressing running roller 23 screws roof pressure inclined-plane, back lasso 22 film rolling 3 is compressed from two ends.In film rolling 3 processes are installed can with film winding up roller 2 two ends compress running roller 23 and inclined-plane lasso 22 removes, install that film rolling 3 back will compress running roller 23 from two ends and inclined-plane lasso 22 installs, and be to removably connect between film winding up roller 2 and the spacing rotating mechanism 8.
As Fig. 2, shown in 4, spacing rotating mechanism 8 comprises fixed block 81, fixed block 81 homonymies are provided with roll shaft compact heap 83, but two support flower wheels 82 that support roll shaft 21 and rotation side by side, wherein supporting flower wheel 82 captives joint with fixed block 81 by center shaft, roll shaft compact heap 83 is detachably captiveed joint with fixed block 81, roll shaft 21 crest clearances of film winding up roller 2 are engaged in two and support between flower wheels 82 and roll shaft compact heap 83 threes in the space, support flower wheel 82 together support by two, and support flower wheel 82 energy rotations, rotate in the osed top space roll shaft 21 ends, can roll shaft 21 rotational stabilities and minimum resistance have not been guaranteed because of the disengaging of beating.Roll shaft compact heap 83 is an arc with the part of roll shaft 21 free-running fits, cooperates with roll shaft 21 end shapes.Roll shaft compact heap 83 and fixed block 81 detachably captiveed joint optional majority kind mode, and for example: adopt screw, draw-in groove clamping etc., present embodiment is to adopt screw that the two ends of roll shaft compact heap 83 are fixed on the fixed block 81.
As shown in Figure 1, 2, 3, described braking mechanism 9 respectively is provided with one at film winding up roller 2 two ends, it is described that to compress running roller 23 in the form of annular discs, described braking mechanism 9 comprises brake facing, described brake facing side view size cooperates with the outer circumference surface geomery that compresses running roller 23, the present embodiment brake facing be one section circular-arc, its lateral wall is captiveed joint with brake control roll wheels 4.Brake facing compresses the velocity of rotation that running roller 23 outer circumference surfaces are adjusted film winding up roller 2 by holding tightly; Described running roller 23 outer circumference surfaces that compress are provided with the friction sleeve 231 that is used to increase friction force.Friction sleeve 231 adopts coarse, abrasion resistant brake rubber block material, has certain inertia when having avoided owing to 2 rotations of film winding up roller, and causes film loosening, controls the tensile force of film effectively by braking mechanism 9.
As shown in Figure 1, 2, 3, described brake control roll wheels comprise two fixed control rollers 41,43, fixed control roller 41,43 two ends are rotatably connected on the support 1, leave spacing between two fixed control rollers 41,43, make things convenient for film on each roller of brake control roll wheels, to coil, being positioned at two fixed control rollers, 41,43 the same sides has movable control roll 42, and the movable control roll 42 of present embodiment is arranged on the below of two fixed control rollers 41,43.42 two ends of movable control roll are rotatably connected to the control stalk 5 of captiveing joint with braking mechanism 9 respectively, are parallel to each other between fixed control roller 41,43 and the movable control roll 42, just do not change memberane stress, also can not cause the film sideslip.Movable control roll 42 produces different friction force by control stalk 5 control braking mechanisms 9 with film winding up roller 2 ends with film movement deflection.Control stalk 5 is L shaped, and one end and movable control roll 42 are rotationally connected, and is connected with braking mechanism 9, and turning, control stalk 5 middle part is rotatably connected on the support 1.
Working process: film moves under the pulling of front-end driven mechanism, film is earlier by walk around movable control roll 42 then through fixed control roller 41, again around to fixed control roller 43, produce certain force of strain because of the pulling that is subjected to front-end driven mechanism during film movement, thereby make movable control roll 42 be subjected to the pulling force that the film around its lower end makes progress, then driving L shaped control stalk 5 rotates counterclockwise, make brake facing and the thrust that compresses between the running roller 23 reduce, film winding up roller 2 velocities of rotation are increased, accelerated the speed that film is put film, when film is put film excessive velocities or front-end driven mechanism when stopping membrane, the pulling force that film is subjected to reduces, its internal membrane tension force reduces, thereby making movable control roll 42 be subjected to the pulling force that the film around its lower end makes progress reduces, movable control roll 42 is under the effect of self gravitation, driving L shaped control stalk 5 clockwise rotates, make brake facing and the thrust that compresses between the running roller 23 increase, film winding up roller 2 velocities of rotation are slowed down, slowed down the speed that film is put film, keep film to have certain tension force, so repeatedly, thus realize the self-control of memberane stress.
Claims (10)
1. the discharging device of packing film volume, comprise support, be rotatably connected to the film winding up roller that stores film rolling on the support, it is characterized in that, described film rolling roll end is provided with the braking mechanism of adjusting film winding up roller velocity of rotation by friction force, also be provided with the brake control roll wheels that are used to control the braking mechanism action, the driver train of pulling film movement on the support, described brake control roll wheels produce the deflection of different angles and direction with the film movement speed, control memberane stress thereby make braking mechanism and film rolling roll end produce different friction force.
2. the discharging device of packing film volume according to claim 1 is characterized in that described film winding up roller two end portions is not provided with spacing rotating mechanism, and described film winding up roller is slidingly connected on the support by spacing rotating mechanism.
3. the discharging device of packing film volume according to claim 2, it is characterized in that, described support is provided with horizontal slide rail, spacing rotating mechanism is slidingly fitted on the horizontal slide rail, make the film winding up roller before and after horizontal slide rail, slide, also be provided with the location locking mechanism of spacing rotating mechanism on the horizontal slide rail.
4. the discharging device of packing film volume according to claim 3, it is characterized in that, described film winding up roller comprises roll shaft, and the roll shaft both ends are bolted with and compress running roller, and described roll shaft compresses and is respectively minus thread between the running roller and is connected with right-hand screw thread and is connected with two respectively.
5. the discharging device of packing film according to claim 4 volume is characterized in that, the described roll shaft that compresses the running roller inboard is provided with and is used to the inclined-plane lasso that keeps film rolling Inner core and roll shaft concentric.
6. the discharging device of packing film volume according to claim 4, it is characterized in that, described spacing rotating mechanism comprises fixed block, but the fixed block homonymy is provided with roll shaft compact heap, two support flower wheels that support roll shaft and rotation side by side, wherein supporting flower wheel captives joint with fixed block by center shaft, the roll shaft compact heap is captiveed joint with fixed block is detachable, and the roll shaft crest clearance of film winding up roller is engaged in two and supports between flower wheels and the roll shaft compact heap three in the space.
7. the discharging device of packing film volume according to claim 4, it is characterized in that, it is described that to compress running roller in the form of annular discs, described braking mechanism comprises brake facing, described brake facing side view size cooperates with the outer circumference surface geomery that compresses running roller, and described brake facing compresses the velocity of rotation that the running roller outer circumference surface is adjusted the film roll shaft by holding tightly; The described running roller outer circumference surface that compresses is provided with the friction sleeve that is used to increase friction force.
8. the discharging device of packing film volume according to claim 6 is characterized in that, the locking nail of described location locking mechanism on slide rail, being spirally connected, and locking nail screws the roof pressure fixed block fixed block is locked.
9. the discharging device of packing film volume according to claim 1, it is characterized in that, described brake control roll wheels comprise two fixed control rollers, are positioned at the movable control roll of two fixed control roller the same sides, be parallel to each other between fixed control roller and the movable control roll, movable control roll end is rotatably connected to the control stalk of captiveing joint with braking mechanism, movable control roll produces different friction force by control stalk control braking mechanism with the film rolling roll end with film movement deflection.
10. the discharging device of packing film volume according to claim 9 is characterized in that described control stalk is L shaped, and its two ends are connected with braking mechanism with movable control roll respectively, and its turning, middle part is rotatably connected on the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202363990U CN201777421U (en) | 2010-06-23 | 2010-06-23 | Packaging thin film coil discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202363990U CN201777421U (en) | 2010-06-23 | 2010-06-23 | Packaging thin film coil discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777421U true CN201777421U (en) | 2011-03-30 |
Family
ID=43790645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202363990U Expired - Lifetime CN201777421U (en) | 2010-06-23 | 2010-06-23 | Packaging thin film coil discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777421U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556734A (en) * | 2012-01-04 | 2012-07-11 | 常州市宏发纵横新材料科技股份有限公司 | Cloth paving machine |
| CN102700764A (en) * | 2012-06-23 | 2012-10-03 | 常德烟草机械有限责任公司 | High-speed unreeling device for thin film intermittent feed and control method |
| CN103523570A (en) * | 2013-10-25 | 2014-01-22 | 无锡市广润金属制品有限公司 | Automatic deviation preventing device for conveying steel belts |
| CN103979344A (en) * | 2014-04-28 | 2014-08-13 | 大东科技材料（昆山）有限公司 | Method and device for preventing corona polyester film from crumpling in low-speed transmission |
| CN104505175A (en) * | 2014-12-19 | 2015-04-08 | 无锡市士民机械设备厂 | Film frame mechanism of looping and envelope all-in-one machine |
| CN105329488A (en) * | 2014-08-11 | 2016-02-17 | 达和机械（昆山）有限公司 | Packing material feeding and buffering device |
| CN106672672A (en) * | 2016-12-30 | 2017-05-17 | 凯迈(洛阳)机电有限公司 | Strip-shaped material feeding device |
| CN106697362A (en) * | 2016-11-15 | 2017-05-24 | 浙江鼎业机械设备有限公司 | Film sleeving machine |
| CN107984877A (en) * | 2017-11-27 | 2018-05-04 | 海盐恒祥经编有限公司 | A kind of feed mechanism of compounding machine |
| CN111688213A (en) * | 2020-06-19 | 2020-09-22 | 张冬晓 | Double-welding-edge plastic film production line |
| CN114940422A (en) * | 2022-06-28 | 2022-08-26 | 江苏爱护佳健康科技有限公司 | Control device for releasing and winding medical fixing band |
| CN117509269A (en) * | 2024-01-03 | 2024-02-06 | 常州凯得新材料科技有限公司 | Tension adjusting device is used in polyethylene plastic film production |
-
2010
- 2010-06-23 CN CN2010202363990U patent/CN201777421U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556734A (en) * | 2012-01-04 | 2012-07-11 | 常州市宏发纵横新材料科技股份有限公司 | Cloth paving machine |
| CN102556734B (en) * | 2012-01-04 | 2014-12-17 | 常州市宏发纵横新材料科技股份有限公司 | Cloth paving machine |
| CN102700764A (en) * | 2012-06-23 | 2012-10-03 | 常德烟草机械有限责任公司 | High-speed unreeling device for thin film intermittent feed and control method |
| CN103523570A (en) * | 2013-10-25 | 2014-01-22 | 无锡市广润金属制品有限公司 | Automatic deviation preventing device for conveying steel belts |
| CN103979344A (en) * | 2014-04-28 | 2014-08-13 | 大东科技材料（昆山）有限公司 | Method and device for preventing corona polyester film from crumpling in low-speed transmission |
| CN103979344B (en) * | 2014-04-28 | 2017-07-25 | 大东科技材料（昆山）有限公司 | The method and apparatus for avoiding corona polyester film from being crumpled in low speed transmissions |
| CN105329488A (en) * | 2014-08-11 | 2016-02-17 | 达和机械（昆山）有限公司 | Packing material feeding and buffering device |
| CN104505175A (en) * | 2014-12-19 | 2015-04-08 | 无锡市士民机械设备厂 | Film frame mechanism of looping and envelope all-in-one machine |
| CN106697362A (en) * | 2016-11-15 | 2017-05-24 | 浙江鼎业机械设备有限公司 | Film sleeving machine |
| CN106672672A (en) * | 2016-12-30 | 2017-05-17 | 凯迈(洛阳)机电有限公司 | Strip-shaped material feeding device |
| CN106672672B (en) * | 2016-12-30 | 2018-06-26 | 凯迈(洛阳)机电有限公司 | A kind of band-like material feeder |
| CN107984877A (en) * | 2017-11-27 | 2018-05-04 | 海盐恒祥经编有限公司 | A kind of feed mechanism of compounding machine |
| CN111688213A (en) * | 2020-06-19 | 2020-09-22 | 张冬晓 | Double-welding-edge plastic film production line |
| CN114940422A (en) * | 2022-06-28 | 2022-08-26 | 江苏爱护佳健康科技有限公司 | Control device for releasing and winding medical fixing band |
| CN114940422B (en) * | 2022-06-28 | 2024-01-09 | 江苏爱护佳健康科技有限公司 | Control device for releasing and winding medical fixing belt |
| CN117509269A (en) * | 2024-01-03 | 2024-02-06 | 常州凯得新材料科技有限公司 | Tension adjusting device is used in polyethylene plastic film production |
| CN117509269B (en) * | 2024-01-03 | 2024-03-22 | 常州凯得新材料科技有限公司 | Tension adjusting device is used in polyethylene plastic film production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
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| CX01 | Expiry of patent term |