CN210418548U

CN210418548U - Thermal contraction membrane coiling mechanism

Info

Publication number: CN210418548U
Application number: CN201920872498.9U
Authority: CN
Inventors: 尹保民; 李雪; 尹华峰
Original assignee: Cangzhou Xinfeng Plastic Co Ltd
Current assignee: Cangzhou Xinfeng Plastic Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-28
Anticipated expiration: 2029-06-12

Abstract

The utility model belongs to the technical field of plastic film production, in particular to a thermal contraction film winding device which is convenient for winding a thermal contraction film tightly, reduces the influence on subsequent use, facilitates the disassembly of an air expansion shaft, facilitates the replacement of a paper tube and improves the practicability, and comprises a first bracket, a second bracket, a driving shaft, the air expansion shaft and a base, wherein the first bracket and the second bracket are respectively arranged at the right side and the left side of the top end of the base, the bottom end of the second bracket is rotatably connected with the top end of the base, the driving shaft is rotatably arranged at the upper part of the first bracket, a driving motor for driving the driving shaft to rotate is arranged on the side wall of the first bracket, the output shaft of the driving motor is concentrically connected with one end of the driving shaft, the air expansion shaft is rotatably arranged at the upper part of the second bracket, a first elastic device for keeping the air expansion shaft tightly attached to the driving shaft is arranged between the first bracket and the, and the first elastic devices are symmetrically arranged front and back, and each first elastic device comprises a first telescopic rod.

Description

Thermal contraction membrane coiling mechanism

Technical Field

The utility model belongs to the technical field of plastic film produces, especially, relate to a thermal contraction membrane coiling mechanism.

Background

As is known, heat shrinkable films are used for the sale and transportation of various products, the main function of which is to stabilize, cover and protect the product, and they must have high puncture resistance, good shrinkability and a certain shrinkage stress.

The existing thermal contraction film winding device is characterized in that an air expansion shaft is driven to rotate through a motor, a stretched thermal contraction film is transmitted to the air expansion shaft, a paper tube is fixedly sleeved on the air expansion shaft, the paper tube is driven to rotate through the rotation of the air expansion shaft, and the thermal contraction film is wound on the paper tube.

SUMMERY OF THE UTILITY MODEL

To the problem in the background, the utility model aims to provide a thermal contraction membrane coiling mechanism convenient to make the thermal contraction membrane winding tighter reduces the influence to follow-up use, and the air shaft that rises of being convenient for is dismantled, conveniently changes the paper tube, improves the practicality.

In order to achieve the above object, the utility model provides a following technical scheme:

a thermal contraction film winding device comprises a first support, a second support, a driving shaft, an air expansion shaft and a base, wherein the first support and the second support are respectively arranged on the right side and the left side of the top end of the base, the bottom end of the second support is rotatably connected with the top end of the base, the driving shaft is rotatably arranged on the upper portion of the first support, a driving motor used for driving the driving shaft to rotate is arranged on the side wall of the first support, an output shaft of the driving motor is concentrically connected with one end of the driving shaft, the air expansion shaft is rotatably arranged on the upper portion area of the second support, a first elastic device used for enabling the air expansion shaft to be tightly attached to the driving shaft is arranged between the first support and the second support, the first elastic devices are symmetrically arranged in the front and back direction, each first elastic device comprises a first telescopic rod, a first sleeve and a first limiting plate, one end, far away from the second support, of the first sleeve is rotatably connected with the middle portion of the side wall of the, a first sliding through hole is arranged at one end of the first sleeve close to the second support along the direction of the first sleeve, one end of the first telescopic rod far away from the second support can slide to pass through the first sliding through hole and extend into the first sleeve, the first limiting plate is positioned in the first sleeve and is fixedly connected with the first telescopic rod, a first connecting spring is arranged between the first limiting plate and the inner side wall of the first sleeve far away from the second support, one end of the first telescopic rod close to the second support is rotatably connected with the middle area of the side wall of the second support, a second elastic device for supporting the second support is arranged between the second support and the base, the second elastic devices are symmetrically arranged in the front and back direction, each second elastic device comprises a second telescopic rod, a second sleeve and a second limiting plate, one end of the second sleeve close to the base is rotatably connected with the left area of the top end of the base, and one end of the second sleeve far away from the base is provided with a second sliding through hole along the direction of the second sleeve, one end of the second telescopic rod far away from the second support can slide through the second sliding through hole and extend into the second sleeve, the second limiting plate is positioned in the second sleeve and is fixedly connected with the second telescopic rod, a second connecting spring is arranged between the second limiting plate and the inner side wall of the second sleeve far away from the second support, one end of the second telescopic rod close to the second support is rotatably connected with the middle area of the side wall of the second support, the front side and the rear side of the top end of the second support are symmetrically provided with arc-shaped placing grooves, the top ends of the arc-shaped placing grooves are respectively provided with arc-shaped fixing frames, the left side and the right side of the bottom end of each arc-shaped fixing frame are symmetrically provided with mounting plates, the bottom ends of the mounting plates are respectively provided with sliding blocks, and the left side and right side areas of the top ends of, the sliding blocks are in sliding fit with the sliding grooves, mounting through holes which penetrate through the sliding blocks from top to bottom are formed in the mounting plates and the sliding blocks in a penetrating mode, mounting bolts used for fixing the arc-shaped fixing frame are arranged in the mounting through holes, threaded holes are formed in one side area, close to the air expansion shaft, of each sliding groove, and the lower half area of each mounting bolt is arranged in the threaded holes in a threaded mode.

In order to improve the slider at the inside stable slip effect of spout, prevent that the slider from sliding away in the spout is inside, the utility model discloses the improvement has, each the slider all sets up to dovetail type slider to the spout correspondence sets up to dovetail type spout.

In order to reduce the mounting bolt and fall from the mounting panel after screwing out the screw hole, the utility model discloses the improvement has, each the region that lies in the slider in the mounting through hole all is provided with can with each but the internal thread of mounting bolt screw assembly.

In order to improve the rotation ability of inflatable shaft in arc mount inside, reduce friction, the utility model discloses the improvement has, each the equipartition is provided with a plurality of spherical standing grooves on the arc inner wall of arc mount to every spherical standing groove is inside all to be provided with the ball in the rotation.

In order to reduce the whole quality of second support, improve the portability of rotation operation, the utility model discloses the improvement has, be provided with a plurality of fixed through-holes that run through about controlling on the second support.

In order to improve first limiting plate and second limiting plate respectively at the inside stable sliding ability of first sleeve pipe and second sleeve pipe, improve first resilient means and second resilient means's use reliability, the utility model discloses the improvement has, each the circumference outer wall of first limiting plate and each first sheathed tube circumference inner wall is along first sheathed tube direction slidable contact, and each the circumference outer wall of second limiting plate and each second sheathed tube circumference inner wall is along second sheathed tube direction slidable contact.

In order to facilitate the operating personnel to remove the operation arc mount, the utility model discloses improve and have, each the top of arc mount is all fixed and is provided with the handle.

Compared with the prior art, the beneficial effects of the utility model are that: the thermal contraction film winding device with the novel structure can always keep the air expansion shaft tightly attached to the driving shaft when the first telescopic rod is pulled through the tension of the first spring, and can drive the air expansion shaft to rotate through the rotation of the driving shaft, thereby facilitating the stretched heat shrinkable film to be tightly wound on the paper tube on the air expansion shaft under the tight rotation between the driving shaft and the air expansion shaft, facilitating the tight winding of the heat shrinkable film, reducing the influence on the subsequent use, and the arc-shaped fixed frame and the second bracket can be contacted and locked by disassembling the mounting bolt, by the sliding fit between the sliding block and the sliding chute, the arc-shaped fixing frames slide outwards along the direction of the sliding chute and slide away from the front end and the rear end of the inflatable shaft, thereby can take off the inflatable shaft, the inflatable shaft of being convenient for is dismantled, conveniently changes the paper tube, improves the thermal contraction membrane coiling mechanism of practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view structure diagram of the connection of the second bracket, the base, the air expansion shaft, etc.

Fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

Fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to the present invention.

In the drawings, the reference numbers: 1. a first bracket; 2. a second bracket; 3. driving a shaft; 4. an air expansion shaft; 5. a base; 6. a drive motor; 7. a first telescopic rod; 8. a first sleeve; 9. a first limit plate; 10. a first connecting spring; 11. a second telescopic rod; 12. a second sleeve; 13. a second limiting plate; 14. a second connecting spring; 15. an arc-shaped fixing frame; 16. mounting a plate; 17. a slider; 18. a chute; 19. installing a bolt; 20. a ball bearing; 21. a fixing through hole; 22. a handle.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, the utility model discloses a thermal contraction membrane coiling mechanism, including first support 1, second support 2, drive axle 3, inflatable shaft 4 and base 5, first support 1 and second support 2 are installed respectively the top right side and the left side of base 5, the bottom of second support 2 and the top rotatable coupling of base 5, the inflatable shaft 4 of being convenient for carries out position adjustment along with the winding thickness of thermal contraction membrane. The second support 2 is provided with a plurality of left and right through fixing through holes 21, so that the overall quality of the second support 2 is reduced, and the portability of rotation operation is improved. The driving shaft 3 is rotatably mounted on the upper portion of the first bracket 1, a driving motor 6 for driving the driving shaft 3 to rotate is arranged on the side wall of the first bracket 1, an output shaft of the driving motor 6 is concentrically connected with one end of the driving shaft 3, the inflatable shaft 4 is rotatably arranged on the upper portion area of the second bracket 2, a first elastic device for keeping the inflatable shaft 4 and the driving shaft 3 tightly attached is arranged between the first bracket 1 and the second bracket 2, the first elastic devices are symmetrically arranged in the front and back direction, each first elastic device comprises a first telescopic rod 7, a first sleeve 8 and a first limiting plate 9, one end of the first sleeve 8 far away from the second bracket 2 is rotatably connected with the middle portion area of the side wall of the first bracket 1, and one end of the first sleeve 8 close to the second bracket 2 is provided with a first sliding through hole along the direction of the first sleeve 8, the first telescopic rod 7 can slide and stretch in the first sleeve 8 conveniently. Keep away from the one end slidable of second support 2 on first telescopic link 7 and pass first slip through-hole and stretch into to first sleeve 8 inside, and first limiting plate 9 is located first sleeve 8 inside and with first telescopic link 7 fixed connection, can prevent first telescopic link 7 from the inside outside roll-off of first sleeve 8 through first limiting plate 9, improves the reliability in utilization of first telescopic link 7. A first connecting spring 10 is arranged between the first limiting plate 9 and the inner side wall of the first sleeve 8 far away from the second support 2, so that the inflatable shaft 4 and the driving shaft 3 can be always kept in contact through the tension of the first connecting spring 10, the driving shaft 3 can drive the inflatable shaft 4 to rotate, and the thermal shrinkage film wound on the paper tube is tightly wound. Regional rotatable coupling in the middle part of the lateral wall of the one end that is close to second support 2 in first telescopic link 7 and second support 2, be provided with the second resilient means who is used for supporting second support 2 between second support 2 and the base 5 to second resilient means front and back symmetry sets up, each second resilient means includes second telescopic link 11, second sleeve 12 and second limiting plate 13, the regional rotatable coupling in the top left side of the one end that is close to base 5 on the second sleeve 12 and base 5 to the one end of keeping away from base 5 on the second sleeve 12 is provided with second slip through-hole along the direction of second sleeve 12, the flexible action of second telescopic link 11 inside second sleeve 12 of being convenient for. Keep away from the one end slidable of second support 2 on the second telescopic link 11 and pass the second slip through-hole and stretch into to inside the second sleeve 12, and second limiting plate 13 is located inside the second sleeve 12 and with second telescopic link 11 fixed connection, can prevent through second limiting plate 13 that second telescopic link 11 from sliding from inside the second sleeve 12, improves second telescopic link 11's use reliability. Be provided with second connecting spring 14 between the inside wall of keeping away from second support 2 in second limiting plate 13 and the second sleeve 12, can improve the support to second support 2 through second connecting spring 14's elasticity, further improvement air-expand axle 4 and the tight rotation effect of subsides between the drive axle 3. One end of the second telescopic rod 11 close to the second support 2 is rotatably connected with the middle area of the side wall of the second support 2, and arc-shaped placing grooves are symmetrically arranged on the front side and the rear side of the top end of the second support 2, so that the inflatable shaft 4 can be conveniently placed in a rotating mode. Arc mount 15 is all installed on each arc standing groove's top, can prevent that inflatable shaft 4 from changeing from second support 2 when inflatable shaft 4 rotates, improves the reliability in utilization. Each arc-shaped inner wall of the arc-shaped fixing frame 15 is uniformly provided with a plurality of spherical placing grooves, and each spherical placing groove is internally provided with a ball 20 in a rotatable manner, so that the rotating capacity of the air expansion shaft 4 in the arc-shaped fixing frame 15 is improved, and friction is reduced. The top end of each arc-shaped fixing frame 15 is fixedly provided with a handle 22, so that an operator can move and operate the arc-shaped fixing frame 15 conveniently. The left side and the right side of the bottom end of each arc-shaped fixing frame 15 are symmetrically provided with mounting plates 16, the bottom end of each mounting plate 16 is provided with a sliding block 17, the left side and the right side of the top end of each arc-shaped placing groove are symmetrically provided with sliding grooves 18 in the front-back direction, the sliding blocks 17 are in sliding fit with the sliding grooves 18, the arc-shaped fixing frames 15 can be adjusted forwards and backwards conveniently, and therefore the inflatable shaft 4 can be limited and detached conveniently. Each slider 17 all sets up to dovetail slider 17 to spout 18 corresponds and sets up to dovetail spout 18, improves the slider 17 and at the inside stable sliding effect of spout 18, prevents that slider 17 from sliding away in spout 18 inside. The mounting plates 16 and the sliders 17 are provided with vertically-penetrating mounting through holes in a penetrating manner, mounting bolts 19 for fixing the arc-shaped fixing frame 15 are arranged in the mounting through holes, one side area of each sliding groove 18, which is close to the inflatable shaft 4, is provided with a threaded hole, the lower half area of each mounting bolt 19 is arranged in the threaded hole in a threaded manner, so that the arc-shaped fixing frame is conveniently and fixedly mounted on the second support 2, meanwhile, the arc-shaped fixing frame 15 is conveniently dismounted through the threaded fit between the mounting bolts 19 and the threaded holes, internal threads which can be in threaded fit with the mounting bolts 19 are arranged in the area, which is located on the slider 17, of each mounting through hole, and the mounting bolts 19 are prevented from falling off the mounting plates 16 after being screwed out of the threaded holes. The circumferential outer wall of each first limiting plate 9 is in slidable contact with the circumferential inner wall of each first sleeve 8 along the direction of the first sleeve 8, and the circumferential outer wall of each second limiting plate 13 is in slidable contact with the circumferential inner wall of each second sleeve 12 along the direction of the second sleeve 12, so that the stable sliding capacity of the first limiting plate 9 and the second limiting plate 13 inside the first sleeve 8 and the second sleeve 12 respectively is improved, and the use reliability of the first elastic device and the second elastic device is improved.

The working process of the utility model comprises the steps of firstly placing the whole body on a station where the thermal contraction film is stretched through a base 5, then sheathing a paper tube on an air expansion shaft 4, ventilating the air expansion shaft 4 to lock the paper tube and the air expansion shaft 4, then passing the stretched thermal contraction film through a driving shaft 3 from the upper side of the driving shaft 3 and extending into a position between the driving shaft 3 and the paper tube, pasting one end of the thermal contraction film and the outer wall of the paper tube, electrifying a driving motor 6 to open the driving shaft 3 to rotate the driving shaft 4, driving the air expansion shaft 4 to rotate on a second bracket 2, pressing the thermal contraction film under the continuous rotation of the driving shaft 3 through a first elastic device and a second elastic device, driving the air expansion shaft 4 to rotate, enabling the thermal contraction film to be stably attached and wound on the paper tube rotating along with the air expansion shaft 4, and after the thermal contraction film is wound, and (3) closing the driving motor 6, cutting the thermal shrinkage film, upwards rotating each mounting bolt 19 to enable the mounting bolts 19 to be screwed out from the threaded holes, simultaneously enabling the mounting bolts 19 to be left in the mounting through holes in the sliding blocks 17, respectively pushing each arc-shaped fixing frame 15 outwards along the direction of the sliding groove 18 by using the handle 22 to enable the inflatable shaft 4 to be exposed out of the two arc-shaped fixing frames 15, then taking out the inflatable shaft 4, deflating, replacing a subsequent paper tube, and continuously repeating the operation.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A thermal contraction membrane coiling mechanism which characterized in that: the pneumatic expansion device comprises a first support (1), a second support (2), a driving shaft (3), an air expansion shaft (4) and a base (5), wherein the first support (1) and the second support (2) are respectively installed on the right side and the left side of the top end of the base (5), the driving shaft (3) is rotatably installed on the upper portion of the first support (1), a driving motor (6) used for driving the driving shaft (3) to rotate is arranged on the side wall of the first support (1), the output shaft of the driving motor (6) is concentrically connected with one end of the driving shaft (3), the air expansion shaft (4) is rotatably arranged on the upper portion area of the second support (2), a first elastic device used for enabling the air expansion shaft (4) and the driving shaft (3) to be tightly attached is arranged between the first support (1) and the second support (2), the first elastic devices are symmetrically arranged front and back, and each first elastic device comprises a first telescopic rod (7), The device comprises a first sleeve (8) and a first limiting plate (9), wherein one end of the first sleeve (8) far away from the second support (2) is rotatably connected with the middle area of the side wall of the first support (1), one end of the first sleeve (8) close to the second support (2) is provided with a first sliding through hole along the direction of the first sleeve (8), one end of the first telescopic rod (7) far away from the second support (2) can slide to penetrate through the first sliding through hole and extend into the first sleeve (8), the first limiting plate (9) is positioned inside the first sleeve (8) and is fixedly connected with the first telescopic rod (7), a first connecting spring (10) is arranged between the first limiting plate (9) and the inner side wall of the first sleeve (8) far away from the second support (2), one end of the first telescopic rod (7) close to the second support (2) is rotatably connected with the middle area of the side wall of the second support (2), a second elastic device used for supporting the second support (2) is arranged between the second support (2) and the base (5) and symmetrically arranged front and back, each second elastic device comprises a second telescopic rod (11), a second sleeve (12) and a second limiting plate (13), one end of the second sleeve (12) close to the base (5) is rotatably connected with the left area of the top end of the base (5), one end of the second sleeve (12) far away from the base (5) is provided with a second sliding through hole along the direction of the second sleeve (12), one end of the second telescopic rod (11) far away from the second support (2) can slidably penetrate through the second sliding through hole and extend into the second sleeve (12), and the second limiting plate (13) is positioned inside the second sleeve (12) and fixedly connected with the second telescopic rod (11), a second connecting spring (14) is arranged between a second limiting plate (13) and the inner side wall far away from the second support (2) in the second sleeve (12), one end of a second telescopic rod (11) close to the second support (2) is rotatably connected with the middle area of the side wall of the second support (2), arc-shaped placing grooves are symmetrically arranged on the front side and the rear side of the top end of the second support (2), arc-shaped fixing frames (15) are respectively arranged on the top ends of the arc-shaped placing grooves, mounting plates (16) are symmetrically arranged on the left side and the right side of the bottom end of each arc-shaped fixing frame (15), sliders (17) are respectively arranged at the bottom ends of the mounting plates (16), sliding grooves (18) in the front-back direction are symmetrically arranged on the left side and the right side areas of the top end of each arc-shaped placing groove, the sliders (17) are in sliding fit with the sliding grooves (18), and mounting through holes are respectively arranged on the, and the mounting through holes are internally provided with mounting bolts (19) used for fixing the arc-shaped fixing frame (15), one side area of each sliding groove (18) close to the inflatable shaft (4) is provided with a threaded hole, and the lower half area of each mounting bolt (19) is arranged in the threaded hole in a threaded manner.

2. The thermal contraction film winding device according to claim 1, wherein: each sliding block (17) is arranged to be a dovetail sliding block (17), and the sliding groove (18) is correspondingly arranged to be a dovetail sliding groove (18).

3. The thermal contraction film winding device according to claim 1, wherein: the area of the sliding block (17) in each mounting through hole is provided with internal threads which can be in threaded fit with each mounting bolt (19).

4. The thermal contraction film winding device according to claim 1, wherein: a plurality of spherical placing grooves are uniformly distributed on the arc-shaped inner wall of each arc-shaped fixing frame (15), and a rolling ball (20) can be rotatably arranged in each spherical placing groove.

5. The thermal contraction film winding device according to claim 1, wherein: the second support (2) is provided with a plurality of fixing through holes (21) which penetrate left and right.

6. The thermal contraction film winding device according to claim 1, wherein: the circumferential outer wall of each first limiting plate (9) is in slidable contact with the circumferential inner wall of each first sleeve (8) along the direction of the first sleeve (8), and the circumferential outer wall of each second limiting plate (13) is in slidable contact with the circumferential inner wall of each second sleeve (12) along the direction of the second sleeve (12).

7. The thermal contraction film winding device according to claim 1, wherein: the top end of each arc-shaped fixing frame (15) is fixedly provided with a handle (22).