CN211590278U

CN211590278U - Edge trimming structure for plastic film roll

Info

Publication number: CN211590278U
Application number: CN201922261142.4U
Authority: CN
Inventors: 陈志显; 张军星; 史伟正
Original assignee: XINLE HUABAO PLASTIC MACHINERY CO Ltd
Current assignee: XINLE HUABAO PLASTIC MACHINERY CO Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-29
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a plastic film roll edge trimming structure, which comprises a clamping device for clamping a scroll pair and a cutting device arranged above the clamping device; the clamping device comprises ejection shafts symmetrically arranged on two sides of the paper tube and a driving device arranged behind the ejection shafts and used for driving the ejection shafts to move forwards or backwards; a driven gear is arranged on the top shaft and is driven to rotate by a transmission device; the utility model discloses a clamping device carries out the centre gripping to the paper tube, then realizes the cutting work to the membrane book terminal surface through the position of position adjustment device adjustment blade, makes its terminal surface keep neat.

Description

Edge trimming structure for plastic film roll

Technical Field

The utility model relates to a film production facility field specifically is a plastic film membrane rolls up edge trimming structure.

Background

When the film is wound on the paper tube, the edges of the film are inconsistent, so that the two ends of the finished film roll are uneven, the appearance is influenced, and the film is easily broken in the use process of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can maintain finished product membrane and roll up the terminal surface is provided, make the orderly plastic film membrane of terminal surface roll up edge side cut structure.

The utility model adopts the technical proposal that: the edge trimming structure of the plastic film roll comprises a clamping device for clamping a pair of scroll shafts and a pair of cutting devices arranged above the clamping device;

the clamping device comprises ejection shafts symmetrically arranged on two sides of the paper tube and a driving device arranged behind the ejection shafts and used for driving the ejection shafts to move forwards or backwards; a driven gear is arranged on the top shaft and is driven to rotate by a transmission device;

the cutting device comprises a knife rest and a blade fixedly arranged on the knife rest, and the knife rest is arranged on the position adjusting device to realize the position adjustment of the blade.

Furthermore, the clamping device further comprises a base, a bottom plate is arranged on the base through a sliding rail, the driving device is installed on the bottom plate, a supporting cylinder is further arranged on the bottom plate, the top shaft is sleeved in the supporting cylinder, and a bottom plate moving device is further connected to the bottom plate.

Furthermore, the driving device is an oil cylinder or an air cylinder, and a piston rod of the driving device is connected with the jacking shaft through a bearing.

Furthermore, the transmission device is a speed reducing motor, and the driven gear is in transmission connection with the speed reducing motor.

Furthermore, the cutting device further comprises a linear slide rail which is transversely arranged, and the position adjusting device is arranged on the linear slide rail on the cutting frame in a sliding mode.

Furthermore, the position adjusting device comprises a sliding plate connected with the linear sliding rail in a sliding manner, a tool rest connected with the sliding plate in a sliding manner along the vertical direction, a lifting motor arranged at the upper end of the sliding plate, and a lead screw connected with the output end of the lifting motor in a transmission manner, wherein a lead screw nut matched with the lead screw is arranged on the tool rest.

Furthermore, the position adjusting device also comprises a lead screw nut pair which is connected with the sliding plate and is used for driving the sliding plate to realize transverse movement.

Furthermore, an air nozzle used for cooling the blade is arranged on the outer side of the blade.

Furthermore, the bottom plate moving device is a screw nut pair, the screw nut is fixedly connected with the bottom plate, the screw penetrates through the screw nut, and a hand wheel is arranged at one end of the screw.

The utility model discloses an actively the effect does: the utility model discloses a clamping device carries out the centre gripping to the paper tube, then realizes the cutting work to the membrane book terminal surface through the position of position adjustment device adjustment blade, makes its terminal surface keep neat. The utility model discloses a jackshaft is passive rotatory under transmission's drive, and it is rotatory that the membrane book of book on being pressed from both sides tight paper tube is also driven, and the work that the cooperation cutter cut at whole in-process has accomplished the side cut work of rolling up the membrane.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the top shaft of the present invention;

fig. 3 is a schematic structural diagram of the transmission device of the present invention.

Detailed Description

As shown in fig. 1-3, the present invention includes a holding device for holding a paper tube and a cutting device disposed above the holding device.

The clamping device comprises a base 12, a bottom plate 24 arranged on the base 12 through a linear sliding rail, a supporting cylinder 13 fixed on the bottom plate 24, a top shaft 10 sleeved in the supporting cylinder 13, a driving device 11 arranged behind the top shaft 10 and used for driving the top shaft 10 to move back and forth, and a bottom plate moving device. The bottom plate moving device is a screw nut pair, the screw nut is fixedly connected with the bottom plate 24, the screw penetrates through the screw nut, and a hand wheel 22 is arranged at one end of the screw. The top shaft 10 is also provided with a driven gear 21, and the driven gear 21 drives the top shaft 10 to rotate through a transmission device, so that the top shaft 10 can perform self transmission. The driving device 11 drives the top shaft 10 to move back and forth, so that the paper tube is clamped or loosened. The bottom plate 24 can also move back and forth through the bottom plate moving device, and can be suitable for film rolls with different widths.

The ejector shaft 10 of symmetry installation in the paper tube both sides, be located the base 12 of ejector shaft 10 below, the support section of thick bamboo 13 of setting on base 12 and set up the drive arrangement who is used for driving ejector shaft 10 back-and-forth movement at the rear of ejector shaft 10, support section of thick bamboo 13 passes through the slide rail setting on base 12, ejector shaft 10 passes through the bearing and supports section of thick bamboo 13, still be provided with driven gear 21 simultaneously on ejector shaft 10, driven gear 21 drives its rotation through transmission, thereby make ejector shaft 10 follow the rotation.

The driving device 11 is an air cylinder or an oil cylinder, in order to realize the rotation of the top shaft 10, a piston rod of the air cylinder or the oil cylinder can be sleeved inside or outside the top shaft 10 and is connected with the top shaft 10 through a bearing, so that the driving device 11 is not influenced to drive the top shaft 10 to move back and forth when the top shaft rotates.

The cutting device comprises a knife rest 5 and a blade 6 fixedly installed on the knife rest 5, wherein a wind nozzle 7 used for cooling the blade 6 is arranged at the position, contacted with the film roll, of the outer side of the blade 6, and the wind blowing position of the wind nozzle 7 corresponds to the position, contacted with the blade 6 and the film roll, of the blade 7.

The cutter frame 5 is arranged on a position adjusting device to realize the position adjustment of the blade 6, a cutting frame is arranged on the machine frame, linear slide rails 2 are arranged at two ends of the cutting frame, and the position adjusting device is arranged on the corresponding linear slide rails 2.

The position adjusting device comprises a sliding plate 3 connected with the linear sliding rail 2 in a sliding mode, a tool rest 5 connected with the sliding plate 3 in a sliding mode along the vertical direction, a lifting motor 14 arranged at the upper end of the sliding plate 3 and a lead screw connected with the output end of the lifting motor 14 in a transmission mode, and a lead screw nut matched with the lead screw is arranged on the tool rest 5. The slide plate 3 is driven to move up and down through the screw nut pair, and the slide plate 3 is also connected with the screw nut pair for driving the screw nut pair to move transversely on the linear slide rail 2. The screw nut pair structure is widely used in the mechanical industry, and is not repeated in the application.

The transmission device comprises a transmission motor 15, a reduction box 16, a transmission shaft 17 in transmission connection with the reduction box 16, a guide shaft 18 in transmission connection with the transmission shaft 17 and a main gear 19 in transmission connection with the guide shaft 18, wherein the guide shaft 18 and the main gear 19 respectively correspond to the two groups of clamping devices, belt pulleys or chain wheels are arranged at two ends of the transmission shaft 17, the guide shaft 18 is connected with the belt pulley or chain wheel on the corresponding side through a belt or a chain, the main gear 19 is meshed with a driven gear 21, and the width of the main gear 19 is slightly larger due to the fact that the driven gear 21 can move back and forth along with the top shaft, and therefore the main gear 19 is always meshed with the driven gear 21 in the moving process.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The edge trimming structure of the plastic film roll is characterized by comprising a clamping device for clamping a paper tube and a pair of cutting devices arranged above the clamping device;

the clamping device comprises ejection shafts (10) symmetrically arranged on two sides of the paper tube and a driving device (11) arranged behind the ejection shafts (10) and used for driving the ejection shafts (10) to advance or retreat; a driven gear (21) is arranged on the top shaft (10) and is driven to rotate by a transmission device;

the cutting device comprises a knife rest (5) and a blade (6) fixedly mounted on the knife rest (5), wherein the knife rest (5) is arranged on a position adjusting device so as to realize the position adjustment of the blade (6).

2. The edge trimming structure of a plastic film roll according to claim 1, wherein the clamping device further comprises a base (12), a bottom plate (24) is arranged on the base (12) through a sliding rail, the driving device is installed on the bottom plate (24), a supporting cylinder (13) is further arranged on the bottom plate (24), the top shaft (10) is sleeved in the supporting cylinder (13), and a bottom plate moving device is further connected to the bottom plate (24).

3. The structure for trimming the edges of rolls of plastic film according to claim 1, wherein said driving means is an oil cylinder or an air cylinder, the piston rod of which is connected to the top shaft (10) through a bearing.

4. The plastic film roll edge trimming structure according to claim 1, wherein the transmission device is a reduction gearbox (16), and the driven gear (21) is in transmission connection with the reduction gearbox (16).

5. The plastic film roll edge trimming structure according to claim 1, further comprising a linear slide rail (2) transversely disposed on the cutting frame, wherein the position adjusting device is slidably disposed on the linear slide rail (2).

6. The edge trimming structure of a plastic film roll according to claim 5, wherein the position adjusting device comprises a sliding plate (3) slidably connected with the linear sliding rail (2), a tool rest (5) vertically slidably connected with the sliding plate (3), a lifting motor (14) arranged at the upper end of the sliding plate (3) and a lead screw in transmission connection with the output end of the lifting motor (14), and a lead screw nut matched with the lead screw is arranged on the tool rest (5).

7. The structure for trimming the edges of rolls of plastic film according to claim 6, wherein said position adjusting means further comprises a screw nut pair connected to the slide (3) for driving the slide (3) in a pair of lateral movements.

8. The structure for trimming the edges of a roll of plastic film according to claim 1, characterized in that a tuyere for cooling the blade (6) is provided on the outside of the blade (6).

9. The edge trimming structure for plastic film rolls according to claim 2, wherein the base plate moving device is a screw nut pair, the screw nut pair is fixedly connected with the base plate (24), the screw penetrates through the screw nut, and a hand wheel (22) is arranged at one end of the screw.