CN212424777U - Plastic bag film unwinding device - Google Patents
Plastic bag film unwinding device Download PDFInfo
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- CN212424777U CN212424777U CN202021183969.4U CN202021183969U CN212424777U CN 212424777 U CN212424777 U CN 212424777U CN 202021183969 U CN202021183969 U CN 202021183969U CN 212424777 U CN212424777 U CN 212424777U
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- unwinding device
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Abstract
The utility model discloses a plastic bag film unwinding device belongs to plastic bag apparatus for producing technical field. The unwinding device comprises a base, two guide pillars are arranged at the bottom of the base in parallel, and a clamping mechanism for clamping a scroll is arranged on each guide pillar. The top of spool is provided with the compression roller, and the compression roller rotates with the one end of bracing piece to be connected, and the other end and the base of bracing piece rotate to be connected, are provided with the lift component that drives the compression roller and go up and down on the base. The clamping mechanism comprises a fixed plate and a movable plate, through holes for the two guide pillars to pass through are formed in the movable plate, a telescopic element for driving the movable plate to slide on the guide pillars is arranged on the base, a first connecting rod for clamping the scroll is rotatably arranged on the movable plate, a second connecting rod for clamping the scroll is arranged on the fixed plate, and a transmission mechanism for driving the second connecting rod to rotate is arranged on the fixed plate. The utility model adopts the above structure plastic bag film unwinding device can solve current unwinding device and easily cause the fold and the oblique problem of work piece.
Description
Technical Field
The utility model belongs to the technical field of the plastic bag apparatus for producing technique and specifically relates to a plastic bag film unwinding device is related to.
Background
The plastic packaging bag is a packaging bag which takes plastic as a raw material and is used for producing various articles in daily life, and is widely used in daily life and industrial production. The plastic bag is mostly made of polyethylene film, and is firstly printed with ink, compounded and then made into a bag. In the preparation process of the plastic bag, the plastic bag film is printed through a printing machine, and the printed plastic bag film needs to be rolled after being dried, so that the storage, transportation and subsequent processes of the plastic bag film are facilitated. The printed plastic bag film is wound on a reel through a winding device, and the plastic bag film on the reel needs to be released through an unwinding device in the subsequent compounding process, so that the plastic bag film is compounded with the subsequent inner layer or outer layer plastic bag film. The existing plastic bag film unreeling machine stretches a workpiece (plastic bag film) directly from a reel, stretches the workpiece through a guide roller and enters a subsequent compounding device, and the unreeling device is easy to wrinkle the surface of the workpiece, so that the workpiece deflects and the compounding quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a plastic bag film unwinding device solves the current problem that unwinding device easily causes the fold and the incline of work piece.
In order to achieve the purpose, the utility model provides a plastic bag film unreeling device, which comprises a base, wherein the bottom of the base is provided with two guide pillars in parallel, two ends of each guide pillar are fixedly connected with the base, and each guide pillar is provided with a clamping mechanism for clamping a scroll;
a compression roller is arranged above the scroll and is connected with the base through a support rod, the compression roller is rotatably connected with one end of the support rod, the other end of the support rod is rotatably connected with the base, and a lifting element for driving the compression roller to lift is arranged on the base;
the clamping mechanism comprises a fixed plate and a movable plate, the fixed plate is fixedly connected with the guide pillars, through holes for the two guide pillars to pass through are formed in the movable plate, a telescopic element for driving the movable plate to slide on the guide pillars is arranged on the base, a first connecting rod for clamping a scroll is rotatably arranged on the movable plate, a second connecting rod for clamping the scroll is arranged on the fixed plate, and a transmission mechanism for driving the second connecting rod to rotate is arranged on the fixed plate.
Preferably, the telescopic element is a first cylinder, one end of the first cylinder is fixed on the inner surface of the base, and a telescopic rod of the first cylinder is fixedly connected with the movable plate.
Preferably, the transmission mechanism comprises a motor and a speed reducer, a driving wheel is arranged on an output shaft of the speed reducer, and the driving wheel is connected with a driven wheel arranged at one end of the second connecting rod through a transmission belt.
Preferably, the end of the first connecting rod and the end of the second connecting rod close to the scroll are provided with clamping blocks, the clamping blocks are of cross structures, the two ends of the scroll are respectively provided with clamping grooves matched with the clamping blocks, and the clamping blocks are located in the clamping grooves.
Preferably, the lifting element is a second air cylinder, one end of the second air cylinder is rotatably arranged on the base, and a telescopic rod at the other end of the second air cylinder is rotatably connected with the middle part of the supporting rod.
A plastic bag film unwinding device, be provided with fixed plate and fly leaf on the guide pillar, through remove the fly leaf can be convenient press from both sides the spool tightly between fixed plate and fly leaf, make things convenient for the installation of spool. The compression roller is arranged above the scroll and is pressed on the surface of the workpiece on the scroll under the action of the second air cylinder, and the compression roller is positioned at the position where the workpiece is separated from the scroll, so that the workpiece is prevented from being wrinkled under the traction of a traction mechanism of the subsequent compounding device, the workpiece is prevented from deviating, and the compounding quality is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a plastic bag film unwinding device of the present invention;
fig. 2 is a schematic side view of an embodiment of the plastic bag film unwinding device of the present invention.
Reference numerals
1. A base; 2. a guide post; 3. a movable plate; 4. a fixing plate; 5. a first connecting rod; 6. a second connecting rod; 7. a first cylinder; 8. a reel; 9. a compression roller; 10. a support bar; 11. a second air cylinder; 12. a speed reducer; 13. a transmission belt; 14. and (7) clamping blocks.
Detailed Description
Examples
Fig. 1 is the structural schematic diagram of the embodiment of the plastic bag film unwinding device of the utility model, and fig. 2 is the structural schematic diagram of a look sideways of the embodiment of the plastic bag film unwinding device of the utility model. As shown in the figure, the plastic bag film unwinding device comprises a base 1, wherein the base 1 comprises two side plates, and the two side plates are fixed on the ground. The bottom of the base 1 is provided with two guide pillars 2 in parallel, and two ends of each guide pillar 2 are welded with the base 1 or fixedly connected with the base through screws. The guide post 2 is provided with a clamping mechanism for clamping the scroll 8.
The clamping mechanism comprises a fixed plate 4 and a movable plate 3, and the fixed plate 4 and the movable plate 3 are both steel plates with conical structures at one ends far away from the base 1. The fixing plate 4 is welded and fixed on the guide post 2. The movable plate 3 is provided with a through hole for the two guide pillars 2 to pass through, and the aperture of the through hole is larger than the diameter of the guide pillars 2, so that the movable plate 3 can slide on the guide pillars 2. The base 1 is provided with a telescopic element which drives the movable plate 3 to slide on the guide post 2. The telescopic element is a cylinder I7, the cylinder I7 is of an existing structure, one end of the cylinder I7 is fixed on the inner surface of the base 1, and a telescopic rod of the cylinder I7 is fixedly connected with the movable plate 3.
The movable plate 3 is provided with a first connecting rod 5 for clamping the scroll 8 through a bearing in a rotating manner, and the fixed plate 4 is provided with a second connecting rod 6 for clamping the scroll 8 through a bearing in a rotating manner. A clamping block 14 is arranged at the center of one end of each of the first connecting rod 5 and the second connecting rod 6, which is close to the reel 8, the clamping block 14 is of a cross structure, clamping grooves matched with the clamping blocks 14 are respectively arranged at two ends of the reel 8, and the clamping blocks 14 are positioned in the clamping grooves.
The fixed plate 4 is provided with a transmission mechanism for driving the second connecting rod 6 to rotate. The transmission mechanism comprises a motor and a speed reducer 12, and the motor and the speed reducer 12 are both fixed on the ground or the fixing plate 4. A driving wheel is arranged on an output shaft of the speed reducer 12, and the driving wheel is connected with a driven wheel fixedly arranged at one end of the second connecting rod 6 through a transmission belt 13 matched with the driving wheel and the driven wheel.
A press roller 9 is arranged above the scroll 8, and the press roller 9 is connected with the base 1 through a support rod 10. The compression roller 9 is rotatably connected with one end of the support rod 10 through a bearing. The other end of the supporting rod 10 is rotatably connected with the side wall of the base 1 through a pin shaft, namely the pin shaft is fixed on the side wall of the base 1, a through hole for the pin shaft to pass through is formed in one end of the supporting rod 10, the aperture of the through hole is slightly larger than the diameter of the pin shaft, so that the supporting rod 10 can rotate around the pin shaft, and a nut, a gasket or a clamp spring is arranged at one end of the pin shaft to limit the supporting rod 10 and prevent the supporting rod 10 from falling off. The lifting element for driving the compression roller 9 to lift is arranged on the base 1, the lifting element is a second air cylinder 11, one end of the second air cylinder 11 is rotatably arranged on the base 1 through a pin shaft, and a telescopic rod at the other end of the second air cylinder 11 is rotatably connected with the middle of the supporting rod 10 through a pin shaft. The compression roller 9 is pressed on the surface of the workpiece on the scroll 8 under the action of the second air cylinder 11, the compression roller 9 is located at the position where the workpiece is separated from the scroll 8, the workpiece is prevented from being wrinkled under the traction of a traction mechanism of a subsequent compounding device, the workpiece is prevented from deviating, and the compounding quality is improved. The composite device adopts the existing structure.
When the device is used, the reel 8 is hoisted to the mounting position, the fixture block 14 at one end of the connecting rod II 6 is clamped into the fixture groove at one end of the reel 8, the telescopic rod of the cylinder I7 is extended, the movable plate 3 moves towards the reel 8, the fixture block 14 arranged at the end of the connecting rod I5 is clamped into the fixture groove at the end of the reel 8, and the mounting of the reel 8 is completed; the telescopic rod of the second cylinder 11 extends to drive the compression roller 9 to be pressed on the surface of the workpiece of the scroll 8; and then starting a motor, driving a driving wheel to rotate by the motor through a speed reducer 12, driving the driving wheel to rotate from a driving wheel through a driving belt 13, and driving a second connecting rod 6 to synchronously rotate from the driving wheel, so that the rotating shaft is rotated, and the workpiece wound on the rotating shaft is unreeled. Along with the unwinding, the telescopic rod of the second air cylinder 11 continuously extends to keep the pressing roller 9 pressed on the surface of the workpiece.
Therefore, the utility model adopts the above structure plastic bag film unwinding device can solve the problem that current unwinding device easily causes the fold and the incline of work piece.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a plastic bag film unwinding device which characterized in that: the winding device comprises a base, wherein two guide pillars are arranged at the bottom of the base in parallel, two ends of each guide pillar are fixedly connected with the base, and a clamping mechanism for clamping a winding shaft is arranged on each guide pillar;
a compression roller is arranged above the scroll and is connected with the base through a support rod, the compression roller is rotatably connected with one end of the support rod, the other end of the support rod is rotatably connected with the base, and a lifting element for driving the compression roller to lift is arranged on the base;
the clamping mechanism comprises a fixed plate and a movable plate, the fixed plate is fixedly connected with the guide pillars, through holes for the two guide pillars to pass through are formed in the movable plate, a telescopic element for driving the movable plate to slide on the guide pillars is arranged on the base, a first connecting rod for clamping a scroll is rotatably arranged on the movable plate, a second connecting rod for clamping the scroll is arranged on the fixed plate, and a transmission mechanism for driving the second connecting rod to rotate is arranged on the fixed plate.
2. The plastic bag film unwinding device of claim 1, wherein: the telescopic element is a first air cylinder, one end of the first air cylinder is fixed on the inner surface of the base, and a telescopic rod of the first air cylinder is fixedly connected with the movable plate.
3. The plastic bag film unwinding device of claim 1, wherein: the transmission mechanism comprises a motor and a speed reducer, a driving wheel is arranged on an output shaft of the speed reducer, and the driving wheel is connected with a driven wheel arranged at one end of the connecting rod II through a transmission belt.
4. The plastic bag film unwinding device of claim 1, wherein: the end, close to the scroll, of the first connecting rod and the second connecting rod is provided with a clamping block, the clamping block is of a cross structure, clamping grooves matched with the clamping block are formed in the two ends of the scroll respectively, and the clamping block is located in the clamping grooves.
5. The plastic bag film unwinding device of claim 1, wherein: the lifting element is a second air cylinder, one end of the second air cylinder is rotatably arranged on the base, and a telescopic rod at the other end of the second air cylinder is rotatably connected with the middle part of the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183969.4U CN212424777U (en) | 2020-06-23 | 2020-06-23 | Plastic bag film unwinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183969.4U CN212424777U (en) | 2020-06-23 | 2020-06-23 | Plastic bag film unwinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212424777U true CN212424777U (en) | 2021-01-29 |
Family
ID=74281761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021183969.4U Active CN212424777U (en) | 2020-06-23 | 2020-06-23 | Plastic bag film unwinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212424777U (en) |
-
2020
- 2020-06-23 CN CN202021183969.4U patent/CN212424777U/en active Active
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