CN217708137U

CN217708137U - Plastic film's coiling mechanism

Info

Publication number: CN217708137U
Application number: CN202221990874.2U
Authority: CN
Inventors: 陈利红; 陈利锋; 张爱民; 吕洪香; 斯燕青; 孙炳兴
Original assignee: Zhejiang Kaicheng New Material Co ltd
Current assignee: Zhejiang Kaicheng New Material Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-01
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to a plastic film's coiling mechanism, it includes the frame and rotates first friction roller and the second friction roller that sets up in the frame, first friction roller and second friction roller are parallel and are located same level, first friction roller and second friction roller form the space of placing that is used for placing the wind-up roll, first friction roller and second friction roller slide along being close to each other or keeping away from the direction and set up in the frame, be provided with the connecting plate in the frame, the connecting plate is located the positive centre of first friction roller and second friction roller, the both sides of connecting plate are provided with horizontally first spring and second spring respectively, the one end that the connecting plate was kept away from to first spring is connected with the one end that first friction roller is close to the connecting plate, the one end that the connecting plate was kept away from to the second spring is connected with the one end that second friction roller is close to the connecting plate, be provided with the actuating mechanism of drive first friction roller and second friction roller synchronous revolution in the frame. This application has the possible effect that reduces the wind-up roll and take place to drop in the rolling process.

Description

Plastic film's coiling mechanism

Technical Field

The application relates to the field of plastic film production, in particular to a plastic film winding device.

Background

Plastic films are commonly used for packaging, the largest proportion of which is food packaging, and are generally produced using plastic film extruders. After the plastic film is formed, a winding device is needed to roll the plastic film.

In the correlation technique, coiling mechanism generally includes the frame and sets up actuating mechanism and two friction rollers in the frame, and two friction rollers all rotate and set up in the frame, and two friction rollers are parallel to each other and are located same level, form the space of placing that is used for placing the wind-up roll between two friction rollers, and actuating mechanism is used for driving two friction rollers synchronous revolution. During operation, the winding roller is placed between the two friction rollers, then the plastic film is wound on the winding roller, and then the driving mechanism is utilized to drive the two friction rollers to synchronously rotate, so that the winding roller is driven to rotate, and then the plastic film is wound.

The winding roller is at the rolling in-process, along with the increase of film on the winding roller, the diameter of winding roller can increase gradually for the focus of winding roller risees, may lead to the winding roller to drop from between two friction rollers.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the take-up roll takes place to drop in the rolling process, this application provides a plastic film's coiling mechanism.

The application provides a plastic film's coiling mechanism adopts following technical scheme:

the utility model provides a plastic film's coiling mechanism, includes the frame and rotates first friction roller and the second friction roller that sets up in the frame, first friction roller with second friction roller is parallel and is located same level, first friction roller with second friction roller forms the space of placing that is used for placing the wind-up roll, first friction roller with second friction roller slides along being close to each other or keeping away from the direction and sets up in the frame, be provided with the connecting plate in the frame, the connecting plate is located first friction roller with the centre of second friction roller, the both sides of connecting plate are provided with first spring of horizontally and second spring respectively, first spring is kept away from the one end of connecting plate with first friction roller is close to the one end of connecting plate and is connected, the second spring is kept away from the one end of connecting plate with second friction roller is close to the one end of connecting plate is connected, be provided with the drive in the frame first friction roller with the synchronous revolution's of second friction roller actuating mechanism.

Through adopting above-mentioned technical scheme, in operation, place the wind-up roll between first friction roller and second friction roller, then wind plastic film on the wind-up roll, then utilize actuating mechanism to drive first friction roller and second friction roller synchronous revolution, first friction roller and second friction roller are rotatory to drive the wind-up roll rotation, thereby roll up plastic film, in the rolling process, along with the film on the wind-up roll increases gradually, the quality of wind-up roll also can increase gradually, under the pressure of wind-up roll, first friction roller and second friction roller can be followed the direction of keeping away from each other and removed, make first spring and second spring elongated simultaneously, after the distance between first friction roller and the second friction roller increases, can make the height decline of wind-up roll, thereby make the focus of wind-up roll reduce for the distance of first friction roller and second friction roller, the effectual possibility that the wind-up roll took place to drop during operation has been reduced. After the coiling, take off the wind-up roll that has plastic film to convolute, then first friction roller and second friction roller can reset under the effect of first spring and second spring, then place next wind-up roll on first friction roller and second friction roller, then repeat in proper order above-mentioned operation can.

Optionally, the frame faces each other and with first friction roller vertically two inside walls are seted up respectively and are had the first spout of horizontally and second spout, the both ends of first friction roller rotate respectively and install first slider and first connecting block, first slider slides and sets up in the first spout, first connecting block slides and sets up in the second spout, the both ends of second friction roller rotate respectively and install second slider and second connecting block, the second slider slides and sets up in the first spout, the second connecting block slides and sets up in the second spout, the connecting plate sets up in the second spout and be located first connecting block with the centre of second connecting block, first spring is kept away from the one end of connecting plate with first connecting block is connected, the second spring is kept away from the one end of connecting plate with the second connecting block is connected.

By adopting the technical scheme, the first friction roller is arranged on the rack in a sliding manner along the length direction of the first sliding groove by utilizing the first sliding block and the first connecting block, the first friction roller is rotatably arranged on the rack, the second friction roller is arranged on the rack in a sliding manner along the length direction of the first sliding groove by utilizing the second sliding block and the second connecting block, and the second friction roller is rotatably arranged on the rack; when the wind-up roll is rolling, promote first friction roller and second friction roller to keeping away from the direction each other and remove, first friction roller removes to drive first connecting block and removes, first connecting block elongates first spring, second friction roller drives the second connecting block and removes, the second connecting block elongates the second spring, after the wind-up roll was taken off, first spring shrink drives first connecting block and removes, first connecting block removes to drive first friction roller and removes, thereby reset first friction roller, the second spring shrink drives the second connecting block and removes, the second connecting block removes to drive the second friction roller and removes, thereby reset second friction roller, and is rational in infrastructure.

Optionally, a mounting groove perpendicular to the second sliding groove is formed in a lower groove wall of the second sliding groove, the mounting groove is located in the middle of the first connecting block and the second connecting block, and the connecting plate is inserted into the mounting groove.

Through adopting above-mentioned technical scheme, insert the connecting plate in the mounting groove to install the connecting plate in the middle of the centre of first connecting block and second connecting block, the operation is convenient.

Optionally, a rubber sleeve is wrapped at the bottom end of the connecting plate and abuts against the groove wall of the mounting groove.

Through adopting above-mentioned technical scheme, increased the frictional force between the cell wall of connecting plate and mounting groove to increase the joint strength between connecting plate and the frame, it is rational in infrastructure.

Optionally, the first spring and the first connecting block are detachably connected through a first connecting piece.

Through adopting above-mentioned technical scheme, be convenient for first spring and the first connection piece between be connected with dismantle.

Optionally, one side of the first connecting block, which faces the connecting plate, is provided with a first connecting ring, the first connecting piece includes a first hook, the first hook is arranged at one end of the first spring, which faces the first connecting block, and the first hook is hung on the first connecting ring.

Through adopting above-mentioned technical scheme, pass first go-between with first couple to be connected first spring and first connecting block, simple structure, the operation is convenient.

Optionally, the first spring is provided with a first fixing plate towards one end of the connecting plate, the first fixing plate is attached to the connecting plate, a first fixing bolt is arranged on the first fixing plate, and a rod part of the first fixing bolt penetrates through the first fixing plate and is in threaded connection with the connecting plate.

Through adopting above-mentioned technical scheme, utilize first fixing bolt to install first stationary blade on the connecting plate to with first spring fixed mounting on the connecting plate, and make and be connected for dismantling between first spring and the connecting plate, when first spring appears damaging, can in time change.

Optionally, the frame is provided with two limiting plates, the two limiting plates are respectively located at two ends of the wind-up roll, and two ends of the wind-up roll are respectively in contact with the two limiting plates.

Through adopting above-mentioned technical scheme, utilize two limiting plates to carry on spacingly to the wind-up roll along its length direction for the plastic film both ends that the wind-up roll was convoluteed are more level and smooth, rational in infrastructure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the winding process, the quality of the winding roller is gradually increased along with the gradual increase of the film on the winding roller, the first friction roller and the second friction roller move along the mutually-away direction under the pressure of the winding roller, the first spring and the second spring are simultaneously lengthened, and after the distance between the first friction roller and the second friction roller is increased, the height of the winding roller is reduced, so that the distance between the gravity center of the winding roller and the first friction roller and the distance between the gravity center of the winding roller and the second friction roller are reduced, and the possibility that the winding roller falls off during working is effectively reduced;

2. the connecting plate is inserted into the mounting groove, so that the connecting plate is mounted right in the middle of the first connecting block and the second connecting block, and the operation is convenient;

3. the two limiting plates are used for limiting the wind-up roll along the length direction of the wind-up roll, so that the two ends of the plastic film wound by the wind-up roll are smoother, and the structure is reasonable.

Drawings

Fig. 1 is a schematic perspective view of a winding device for plastic films in an embodiment of the present application.

Fig. 2 is a schematic connection relationship diagram of a first friction roller, a second friction roller, a first slide block, a second slide block, a first motor and a second motor in the embodiment of the application.

Fig. 3 is a cross-sectional view of a frame in an embodiment of the present application.

Fig. 4 is a schematic connection relationship diagram of a first friction roller, a second friction roller, a first connection block and a second connection block in the embodiment of the present application.

Fig. 5 is a front view of the first and second connection blocks in the embodiment of the present application.

Fig. 6 is a front view of the first slider and the second slider in the embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a first chute; 111. a first limit groove; 12. a second chute; 121. a second limit groove; 122. mounting grooves; 13. a drive mechanism; 131. a first motor; 132. a second motor; 14. a limiting plate; 21. a first rubbing roller; 22. a second rubbing roller; 23. a wind-up roll; 31. a first slider; 311. a first sliding section; 32. a second slider; 321. a second sliding section; 41. a first connection block; 411. a third sliding section; 412. a first connecting ring; 42. a second connecting block; 421. a fourth sliding section; 422. a second connection ring; 5. a connecting plate; 51. a first fixing sheet; 52. a first fixing bolt; 53. a first spring; 54. a first hook; 55. a rubber sleeve; 61. a second fixing sheet; 62. a second fixing bolt; 63. a second spring; 64. and a second hook.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses plastic film's coiling mechanism. Referring to fig. 1 and 2, a winding apparatus for a plastic film includes a frame 1, and a first friction roller 21 and a second friction roller 22 rotatably provided on the frame 1.

Referring to fig. 2 and 3, the frame 1 faces each other and is respectively provided with a first chute 11 and a second chute 12 which are horizontal and along the width direction of the frame 1 along two inner side walls distributed along the length direction of the frame 1, the first chute 11 and the second chute 12 both penetrate through the outer side wall of the frame 1, and the first chute 11 and the second chute 12 are located at the same horizontal height. The upper groove wall and the lower groove wall of the first sliding groove 11 are both provided with a first limiting groove 111 along the length direction of the first sliding groove 11. The first sliding block 31 and the second sliding block 32 are slidably disposed in the first sliding groove 11, the upper surface and the lower surface of the first sliding block 31 are integrally provided with a first sliding portion 311, and the two first sliding portions 311 are slidably disposed in the two first limiting grooves 111 respectively. The upper surface and the lower surface of the second slider 32 are integrally provided with a second sliding portion 321 in a protruding manner, and the two second sliding portions 321 are respectively arranged in the two first limiting grooves 111 in a sliding manner.

Referring to fig. 3 and 4, the upper groove wall and the lower groove wall of the second sliding groove 12 are both provided with a second limiting groove 121 along the width direction of the rack 1, the second sliding groove 12 is provided with a first connecting block 41 and a second connecting block 42 in a sliding manner, the upper surface and the lower surface of the first connecting block 41 are integrally provided with a third sliding portion 411 in a protruding manner, two third sliding portions 411 are respectively arranged in the two second limiting grooves 121 in a sliding manner, the upper surface and the lower surface of the second connecting block 42 are integrally provided with a fourth sliding portion 421 in a protruding manner, and the two fourth sliding portions 421 are respectively arranged in the two second limiting grooves 121 in a sliding manner.

Referring to fig. 4 and 5, a first connection ring 412 is welded to a side of the first connection block 41 facing the second connection block 42, and a second connection ring 422 is welded to a side of the second connection block 42 facing the first connection block 41.

Referring to fig. 3 and 4, a mounting groove 122 perpendicular to the second chute 12 is formed in a lower groove wall of the second chute 12, the mounting groove 122 is located in the middle of the first connecting block 41 and the second connecting block 42, the connecting plate 5 is inserted into the mounting groove 122, the bottom end of the connecting plate 5 is coated with a rubber sleeve 55, and the rubber sleeve 55 abuts against a groove wall of the mounting groove 122.

Referring to fig. 4 and 5, a first fixing plate 51 is disposed on one side of the connecting plate 5 facing the first connecting block 41, the first fixing plate 51 is attached to a side wall of the connecting plate 5, two first fixing bolts 52 are disposed on the first fixing plate 51, and a rod portion of each first fixing bolt 52 penetrates through the first fixing plate 51 and is in threaded connection with the connecting plate 5, so that the first fixing plate 51 is mounted on the connecting plate 5. A horizontal first spring 53 is welded to a side of the first fixing piece 51 facing the first connection block 41. One end of the first spring 53, which is far away from the first fixing plate 51, is detachably connected with the first connecting block 41 through a first connecting piece, the first connecting piece comprises a first hook 54, the first hook 54 is integrally arranged at one end of the first spring 53, which is far away from the connecting plate 5, and the first hook 54 penetrates through the first connecting ring 412, so that the first spring 53 is connected with the first connecting block 41.

Referring to fig. 4 and 5, a second fixing plate 61 is disposed on one side of the connecting plate 5 facing the second connecting block 42, the second fixing plate 61 is attached to a side wall of the connecting plate 5, two second fixing bolts 62 are disposed on the second fixing plate 61, and rod portions of the second fixing bolts 62 pass through the second fixing plate 61 and are in threaded connection with the connecting plate 5, so that the second fixing plate 61 is mounted on the connecting plate 5. A horizontal second spring 63 is welded to a side of the second fixing plate 61 facing the second connecting block 42. One end of the second spring 63 far away from the second fixing plate 61 is detachably connected with the second connecting block 42 through a second connecting piece, the second connecting piece comprises a second hook 64, the second hook 64 is integrally arranged at one end of the second spring 63 far away from the connecting plate 5, and the second hook 64 penetrates through a second connecting ring 422, so that the second spring 63 is connected with the second connecting block 42.

Referring to fig. 2 and 4, both ends of the first friction roller 21 are rotatably connected to the first slider 31 and the first connecting block 41, respectively, so that the first friction roller 21 is slidably disposed on the frame 1 along the width direction of the frame 1 and is rotatably mounted on the frame 1. The two ends of the second friction roller 22 are respectively connected with the second slide block 32 and the second connecting block 42 in a rotating manner, so that the second friction roller 22 is arranged on the frame 1 in a sliding manner along the width direction of the frame 1 and is rotatably mounted on the frame 1.

Referring to fig. 1 and 2, a first rubbing roller 21 and a second rubbing roller 22 form a placing space for placing a wind-up roller 23, and the wind-up roller 23 is placed on the first rubbing roller 21 and the second rubbing roller 22.

Referring to fig. 1 and 2, a driving mechanism 13 for driving the first friction roller 21 and the second friction roller 22 to rotate synchronously is disposed on the frame 1, the driving mechanism 13 includes a first motor 131 and a second motor 132, the first motor 131 is fixedly mounted on the first slider 31, and an output shaft of the first motor is coaxially and fixedly connected with the first friction roller 21, and the second motor 132 is fixedly mounted on the second slider 32, and an output shaft of the second motor is coaxially and fixedly connected with the second friction roller 22. The output shafts of the first motor 131 and the second motor 132 rotate synchronously.

Referring to fig. 1, two limiting plates 14 are fixedly mounted on the frame 1, and the two limiting plates 14 are respectively located at two ends of the wind-up roll 23 and are in contact with the wind-up roll 23.

Referring to fig. 5 and 6, an installation groove 122, a connection plate 5, a rubber sleeve 55, a first fixing plate 51, a first fixing bolt 52, a second fixing plate 61, a second fixing bolt 62, a first spring 53, and a second spring 63 are also provided between the first slider 31 and the second slider 32 in the same manner as the installation groove 122, the connection plate 5, the rubber sleeve 55, the first fixing plate 51, the first fixing bolt 52, the second fixing plate 61, the second fixing bolt 62, the first spring 53, and the second spring 63 between the first connection block 41 and the second connection block 42.

The implementation principle of the winding device for the plastic film in the embodiment of the application is as follows: during operation, the winding roller 23 is placed between the first friction roller 21 and the second friction roller 22, then the plastic film is wound on the winding roller 23, then the first motor 131 and the second motor 132 are used for driving the first friction roller 21 and the second friction roller 22 to synchronously rotate, the first friction roller 21 and the second friction roller 22 rotate to drive the winding roller 23 to rotate, so that the plastic film is wound, in the winding process, as the film on the winding roller 23 gradually increases, the mass of the winding roller 23 also gradually increases, under the pressure of the winding roller 23, the first friction roller 21 and the second friction roller 22 can move in the direction away from each other, meanwhile, the first spring 53 and the second spring 63 are lengthened, after the distance between the first friction roller 21 and the second friction roller 22 is increased, the height of the winding roller 23 is reduced, so that the distance between the gravity center of the winding roller 23 and the first friction roller 21 and the second friction roller 22 is reduced, and the possibility that the winding roller 23 drops during operation is effectively reduced. After winding, the winding roller 23 wound with the plastic film is taken down, then the first friction roller 21 and the second friction roller 22 can reset under the action of the first spring 53 and the second spring 63, then the next winding roller 23 is placed on the first friction roller 21 and the second friction roller 22, and then the above operations are repeated in sequence.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plastic film's coiling mechanism which characterized in that: comprises a frame (1), a first friction roller (21) and a second friction roller (22) which are rotationally arranged on the frame (1), the first friction roller (21) and the second friction roller (22) are parallel and positioned at the same horizontal level, the first friction roller (21) and the second friction roller (22) form a placing space for placing a winding roller (23), the first friction roller (21) and the second friction roller (22) are arranged on the frame (1) in a sliding way along the mutually approaching or separating direction, a connecting plate (5) is arranged on the frame (1), the connecting plate (5) is positioned in the middle of the first friction roller (21) and the second friction roller (22), a first spring (53) and a second spring (63) which are horizontal are respectively arranged at the two sides of the connecting plate (5), one end of the first spring (53) far away from the connecting plate (5) is connected with one end of the first friction roller (21) close to the connecting plate (5), one end of the second spring (63) far away from the connecting plate (5) is connected with one end of the second friction roller (22) close to the connecting plate (5), the frame (1) is provided with a driving mechanism (13) for driving the first friction roller (21) and the second friction roller (22) to synchronously rotate.

2. A winding device for plastic film according to claim 1, characterized in that: frame (1) faces each other and with first friction roller (21) vertically two inside walls are seted up horizontally first spout (11) and second spout (12) respectively, the both ends of first friction roller (21) are rotated respectively and are installed first slider (31) and first connecting block (41), first slider (31) slide and set up in first spout (11), first connecting block (41) slide and set up in second spout (12), the both ends of second friction roller (22) are rotated respectively and are installed second slider (32) and second connecting block (42), second slider (32) slide and set up in first spout (11), second connecting block (42) slide and set up in second spout (12), connecting plate (5) set up in second spout (12) and be located first connecting block (41) with between the second connecting block (42), first spring (53) keep away from the positive one end of first connecting block (5) with second connecting block (41) one end is connected the connecting block (63), second connecting block (42) is connected.

3. A take-up device for plastic film as claimed in claim 2, wherein: the lower groove wall of the second sliding groove (12) is provided with a mounting groove (122) perpendicular to the second sliding groove (12), the mounting groove (122) is located in the middle of the first connecting block (41) and the second connecting block (42), and the connecting plate (5) is inserted into the mounting groove (122).

4. A take-up device for plastic film as claimed in claim 3, wherein: the bottom end of the connecting plate (5) is coated with a rubber sleeve (55), and the rubber sleeve (55) abuts against the groove wall of the mounting groove (122).

5. A winding device for plastic films according to claim 2, characterized in that: the first spring (53) is detachably connected with the first connecting block (41) through a first connecting piece.

6. A plastic film take-up device as claimed in claim 5, wherein: one side of the first connecting block (41) facing the connecting plate (5) is provided with a first connecting ring (412), the first connecting piece comprises a first hook (54), the first hook (54) is arranged at one end, facing the first connecting block (41), of the first spring (53), and the first hook (54) is hung on the first connecting ring (412).

7. A take-up device for plastic film as claimed in claim 2, wherein: first spring (53) orientation the one end of connecting plate (5) is provided with first stationary blade (51), first stationary blade (51) with connecting plate (5) laminating, be provided with first fixing bolt (52) on first stationary blade (51), the pole portion of first fixing bolt (52) passes first stationary blade (51) and with connecting plate (5) threaded connection.

8. A winding device for plastic film according to claim 1, characterized in that: the winding machine is characterized in that the frame (1) is provided with two limiting plates (14), the two limiting plates (14) are respectively located at two ends of the winding roller (23), and two ends of the winding roller (23) are respectively contacted with the two limiting plates (14).