CN115417204A - Plastic film winding machine for plastic industry production - Google Patents

Abstract

The invention belongs to the technical field of plastic industry production, and particularly relates to a plastic film winding machine for plastic industry production, which comprises a mounting plate, wherein the outer wall of one side of the mounting plate is rotatably connected with a barrel, two groups of transversely distributed openings are formed in the barrel, a plurality of openings in the same group are distributed in an annular array, two groups of bottom supports are arranged in the barrel, a plurality of bottom supports in the same group are distributed in an annular array, the plurality of bottom supports and the plurality of openings in the same group are in the same vertical plane, the top of each bottom support is rotatably connected with two supporting plates, the tops of two adjacent supporting plates on the two adjacent bottom supports are rotatably connected with a same contact plate, the cross section of the contact plate is arranged in an arc shape, a plurality of uniformly distributed tension springs are fixedly connected between the two adjacent bottom supports, and a tension mechanism is arranged in the barrel. According to the invention, the bottom support is propped open through the first supporting ring in the shape of a circular truncated cone, the supporting plate on the bottom support moves outwards, and the winding drum is propped and fixed through the plurality of contact plates, so that the winding drums with different inner diameters can be fixed.

Description

Plastic film winding machine for plastic industry production

Technical Field

The invention relates to the technical field of plastic industry production, in particular to a plastic film winding machine for plastic industry production.

Background

The receipts material part of coil stock processing lines rolls into the coil stock through mechanical system to raw and other materials, and extensive application is in the scroll, the yardage roll, and the plastic material is rolled up, and on the metal coil processing lines, it is diversified according to actual technological requirement design, and common have simple and easy rolling machine, hydraulic pressure rolling machine, rolling machine generally have a roll internal diameter to the material, roll external diameter, coil stock thickness, the width all has strict demands.

In moulding industry production, the film need be through the rolling machine roll-up on the sleeve after processing, and current rolling machine is used for driving the sleeve pivoted axostylus axostyle and mostly can only overlap the sleeve of establishing a specification, can't effectively fix the sleeve of multiple different internal diameter specifications, consequently makes corresponding improvement to this problem.

Disclosure of Invention

The invention provides a plastic film winding machine for plastic industry production based on the technical problem that an existing winding machine cannot fix sleeves with different specifications.

The invention provides a plastic film winding machine for plastic industry production, which comprises a mounting plate, wherein the outer wall of one side of the mounting plate is rotatably connected with a barrel, the barrel is provided with two groups of transversely distributed openings, a plurality of openings in the same group are distributed in an annular array, two groups of bottom supports are arranged in the barrel, a plurality of bottom supports in the same group are distributed in an annular array, the plurality of bottom supports and the plurality of openings in the same group are in the same vertical plane, the top of each bottom support is rotatably connected with two supporting plates, the two supporting plates are arranged in the corresponding same opening in a penetrating manner, the tops of two adjacent supporting plates on the two adjacent bottom supports are rotatably connected with the same contact plate, the cross section of the contact plate is arranged in an arc shape, a plurality of uniformly distributed tensioning springs are fixedly connected between the two adjacent bottom supports, and a tensioning mechanism is arranged in the barrel.

Preferably, prop tight mechanism and include electric putter, electric putter runs through to be fixed in on the mounting panel, and electric putter output shaft has first axostylus axostyle, and in a plurality of collet that same group was worn to locate by first axostylus axostyle, it is connected with two first rings to rotate on the first axostylus axostyle, and first ring cross-section that props is the round platform form.

Preferably, prop tight mechanism and include the second axostylus axostyle, second axostylus axostyle fixed connection is close to one side of barrel in the mounting panel, and the second axostylus axostyle sets up on the barrel axis, and two guide ways have been seted up at the second axostylus axostyle top, and sliding connection has two symmetric distribution's guide block in the guide way, and the cover is established and is fixed with the lantern ring on the guide block, rotates on the lantern ring to be connected with the second and props the ring, and the second props the ring cross-section and sets into the round platform form, and the guide block is connected with actuating mechanism.

Preferably, actuating mechanism includes the second motor, and second motor fixed connection keeps away from one side of barrel in the mounting panel, rotates between two guide ways and is connected with same drive shaft, and drive shaft and second motor output shaft fixed connection have seted up two sets of reverse screw threads on the drive shaft, form threaded connection between drive shaft and the guide block.

Preferably, one side of the mounting plate, which is far away from the cylinder body, is fixedly connected with a first motor, an output shaft of the first motor is connected with a connecting shaft, the other side of the connecting shaft penetrates through the mounting plate and is fixedly connected with a gear, a gear ring is fixedly sleeved on the cylinder body, and the gear ring is meshed with the gear.

Preferably, the barrel is sleeved and fixed with a positioning ring, the positioning ring is arranged between the opening and the gear ring, two lug blocks which are symmetrically distributed at two ends are fixedly connected to the outer wall of the top and the outer wall of the bottom of the barrel, and the two lug blocks are rotatably connected with one rolling ball.

Preferably, the same fixing plate is fixedly connected between the inner walls of the two sides of the opening, a socket is formed in the fixing plate, an inserting rod is fixedly connected to the outer surface of the bottom support, and the inserting rod is inserted into the socket.

Preferably, the opposite surfaces of the two groups of contact plates are provided with introduction portions, the introduction portions and the contact plates are of an integral structure, and the cross sections of the introduction portions are arc-shaped.

Preferably, the outer surface of the contact plate is provided with a plurality of groups of anti-skid parts distributed in an annular array, the anti-skid parts and the contact plate are of an integral structure, and the cross section of each anti-skid part is trapezoidal.

Preferably, the outer wall of the circumference of the first supporting ring is fixedly connected with a plurality of groups of positioning strips distributed in an annular array, and the distance between two positioning strips in the same group is equal to the width of the bottom support.

Compared with the prior art, the invention provides a plastic film winding machine for plastic industry production, which has the following beneficial effects:

1. this kind mould industry production and use plastic film rolling machine, the reel cover that the roll-up plastic film was used to the barrel, make reel and holding ring paste tightly, then start electric putter, the whole that electric putter output shaft drove first axostylus axostyle and first support ring moves to the left side, because first support ring cross-section is the round platform form, first support ring can prop open with a plurality of collet of a set of, the tensioning spring receives the drawing, its reverse elasticity makes a plurality of collet tightly lean on first support ring, the backup pad on the collet outwards moves, then will drive the contact plate outwards and move, can prop the reel tightly fixedly through a plurality of contact plates, thereby can be convenient for fix the reel of different internal diameters.

2. This a mould industry production and use plastic film rolling machine, it is curved induction portion to be provided with the cross-section, two induction portions are located the both ends position of reel respectively, when overlapping the reel on the barrel, if the reel tip supports in the induction portion, can carry out the position correction to the reel through the arc of induction portion, thereby be convenient for overlap the sleeve on the barrel, be provided with the spin, when emboliaing the reel the barrel, the inner wall of reel can be taken on the spin, at the in-process that impels the reel, reduce its moving resistance through the pivoted spin, thereby be convenient for the suit process of reel.

3. This mould industry production and use plastic film rolling machine is provided with the contact plate, and the contact plate cross-section is the arc, can carry out the laminating formula contact with the reel inner wall better to improve the stability after fixing the reel, and be provided with anti-skidding portion on the contact plate surface, anti-skidding portion cross-section is trapezoidal, can follow the barrel when rotating the rolling as the contact plate, and the friction resistance between accessible anti-skidding portion improvement and the reel, thereby further improves the stability after fixing the reel.

4. Be provided with the location strip, two location strips can block all the time at the both ends of collet, when rotating the rolling, the collet is to location strip application of force for first prop the ring and follow the collet and keep synchronous rotation, thereby effectively avoid collet and first prop to form relative rotation between the ring, thereby effectively reduce wearing and tearing.

5. The barrel is overlapped with the reel that the roll-up plastic film was used, make reel and holding ring paste tightly, then start the second motor, second motor output shaft drives the drive shaft and rotates, under reverse screw's effect, make two guide blocks of the same group carry out the removal that is close to each other, the guide block drives lantern ring and second in step and props the ring and removes, because the second props the ring cross-section and is the round platform form, two seconds prop the ring and can prop a plurality of collets of both sides with the same group and prop and open, the tensioning spring receives tensile, its reverse elasticity makes a plurality of collets tightly lean on the second props the ring, the outside removal of backup pad on the collet, then will drive the contact plate and outwards remove, can prop tightly fixedly with the reel through a plurality of contact plates, thereby can be convenient for fixing the reel of different internal diameters.

Drawings

FIG. 1 is a schematic view of a first angle structure of a plastic film winder for plastic industry production according to the present invention;

FIG. 2 is a schematic view of a second angle structure of a plastic film winder for plastic industry production according to the present invention;

FIG. 3 is a schematic cross-sectional structural view of a cylinder of a plastic film winder for plastic industry production, which is provided by the invention;

FIG. 4 is a schematic structural view of a tightening mechanism of a plastic film winder for plastic industry production according to the present invention;

FIG. 5 is an enlarged schematic structural view of the position A of the plastic film winder for plastic industry production, which is provided by the invention;

FIG. 6 is a schematic view of a first supporting ring mounting structure of a plastic film winder for plastic industry production according to the present invention;

FIG. 7 is a schematic structural view of a contact plate of a plastic film winder for plastic industry production according to the present invention;

FIG. 8 is a schematic view of a second shaft mounting structure of a plastic film winder for plastic industry production according to the present invention;

FIG. 9 is an enlarged schematic structural view of a plastic film winder for plastic industry production at the position B;

FIG. 10 is a schematic view of a positioning strip mounting structure of a plastic film winder for plastic industry production according to the present invention.

In the figure: 1. mounting a plate; 2. a barrel; 3. an opening; 4. a bottom support; 5. a support plate; 6. a contact plate; 7. tensioning the spring; 8. an electric push rod; 9. a first shaft lever; 10. a first support ring; 11. a positioning ring; 12. a ring gear; 13. a first motor; 14. a connecting shaft; 15. a gear; 16. a fixing plate; 17. inserting a rod; 18. a socket; 19. an ear piece; 20. a ball; 21. an introduction section; 22. an anti-slip portion; 23. a positioning bar; 24. a second motor; 25. a guide groove; 26. a guide block; 27. a collar; 28. a drive shaft; 29. reverse threads; 30. a second support ring; 31. a second shaft lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-7 and fig. 10, a mould industry production and use plastic film rolling machine, including mounting panel 1, 1 one side outer wall of mounting panel rotates and is connected with barrel 2, set up two sets of transverse distribution's opening 3 on the barrel 2, a plurality of openings 3 of organizing are the annular array and distribute, be provided with two sets of collet 4 in the barrel 2, a plurality of collet 4 of organizing are the annular array and distribute, a plurality of collet 4 and a plurality of opening 3 of organizing are in same vertical plane, collet 4 top is rotated and is connected with two backup pads 5, two backup pads 5 are worn to locate in the same opening 3 that corresponds, the top of two adjacent backup pads 5 on two adjacent collet 4 is rotated and is connected with same contact plate 6, 6 cross-sections set to the arc, a plurality of evenly distributed's of tension spring 7 of fixedly connected with between two adjacent collet 4, be provided with in the barrel 2 and prop tight mechanism.

Further, prop tight mechanism and include electric putter 8, on electric putter 8 runs through being fixed in mounting panel 1, 8 output shaft of electric putter have primary shaft 9, and primary shaft 9 wears to locate in a plurality of collet 4 with the group, rotates on the primary shaft 9 and is connected with two first rings 10 that prop, and first ring 10 cross-section that props is the round platform form.

Further, actuating mechanism includes second motor 24, and second motor 24 fixed connection keeps away from one side of barrel 2 in mounting panel 1, rotates between two guide ways 25 to be connected with same drive shaft 28, and drive shaft 28 and second motor 24 output shaft fixed connection have seted up two sets of reverse screw threads 29 on the drive shaft 28, form threaded connection between drive shaft 28 and the guide block 26.

Further, one side of the mounting plate 1, which is far away from the cylinder body 2, is fixedly connected with a first motor 13, an output shaft of the first motor 13 is connected with a connecting shaft 14, the other side of the connecting shaft 14 penetrates through the mounting plate 1 and is fixedly connected with a gear 15, a gear ring 12 is fixedly sleeved on the cylinder body 2, and the gear ring 12 is meshed with the gear 15.

Further, the barrel 2 is sleeved with a positioning ring 11, the positioning ring 11 is arranged between the opening 3 and the gear ring 12, two lug blocks 19 which are symmetrically distributed at two ends are fixedly connected to the top and the bottom of the barrel 2, and the two lug blocks 19 are connected with the same rolling ball 20 in a rotating mode.

Further, the same fixing plate 16 is fixedly connected between the inner walls of the two sides of the opening 3, a socket 18 is formed in the fixing plate 16, an inserting rod 17 is fixedly connected to the outer surface of the bottom support 4, the inserting rod 17 is inserted into the socket 18, the bottom support 4 can move along with the inserting rod 17, and the directional movement is carried out in the socket 18, so that the stability of the moving process of the bottom support 4 is improved, and the bottom support 4 is pushed from one side by the first supporting ring 10, the pushing force has component forces in the horizontal direction and the vertical direction, the bottom support 4 is enabled to move upwards by the component forces in the vertical direction, the static friction force between the inner walls of the inserting rod 17 and the socket 18 can be improved by the component forces in the horizontal direction, and the whole stress of the bottom support 4 is stable.

Furthermore, the opposite surfaces of the two contact plates 6 are provided with an introduction part 21, the introduction part 21 and the contact plates 6 are of an integral structure, and the cross section of the introduction part 21 is arc-shaped.

Furthermore, a plurality of groups of anti-skid portions 22 distributed in an annular array are arranged on the outer surface of the contact plate 6, the anti-skid portions 22 and the contact plate 6 are of an integral structure, and the cross section of each anti-skid portion 22 is trapezoidal.

Furthermore, the outer wall of the circumference of the first supporting ring 10 is fixedly connected with a plurality of groups of positioning strips 23 distributed in an annular array, and the distance between two positioning strips 23 in the same group is equal to the width of the bottom support 4.

The working principle is as follows: when the winding drum is used, the winding drum for winding the plastic film is sleeved on the drum body 2, so that the winding drum is attached to the positioning ring 11, the electric push rod 8 is started, the output shaft of the electric push rod 8 drives the whole of the first shaft rod 9 and the first supporting ring 10 to move towards the left side, because the cross section of the first supporting ring 10 is in a circular truncated cone shape, the first supporting ring 10 can prop apart the plurality of bottom supports 4 in the same group, the tension spring 7 is stretched, the reverse elasticity of the tension spring enables the plurality of bottom supports 4 to be tightly leaned on the first supporting ring 10, the supporting plate 5 on the bottom supports 4 moves outwards, then the contact plate 6 is driven to move outwards, so that the winding drum can be tightly propped and fixed through the plurality of contact plates 6, therefore, the winding drums with different inner diameters can be conveniently fixed, after the winding drum is fixed, the first motor 13 can be started, the output shaft of the first motor 13 drives the connecting shaft 14 and the gear 15 to rotate, the gear 15 is meshed with the gear ring 12, and the whole of the drum body 2 and the winding drum to rotate, the winding of the plastic film can be realized, furthermore, the leading-in parts 21 with arc-shaped sections are arranged, the two leading-in parts 21 are respectively positioned at two end parts of the winding drum, when the winding drum is sleeved on the drum body 2, if the end part of the winding drum is propped against the leading-in parts 21, the position correction can be carried out on the winding drum through the arc-shaped sections of the leading-in parts 21, so that the sleeve can be sleeved on the drum body 2 conveniently, the rolling balls 20 are arranged, when the winding drum is sleeved on the drum body 2, the inner wall of the winding drum can be lapped on the rolling balls 20, in the process of propelling the winding drum, the moving resistance of the winding drum is reduced through the rotating rolling balls 20, so that the sleeving process of the winding drum is facilitated, further, the contact plate 6 is arranged, the section of the contact plate 6 is arc-shaped, the contact can be in a fitting type with the inner wall of the winding drum better, the stability of the winding drum after being fixed is improved, and the anti-slip parts 22 are arranged on the surface of the contact plate 6, the section of antiskid portion 22 is trapezoidal, can follow barrel 2 when rotating the rolling when contact plate 6, accessible antiskid portion 22 improves and the reel between the frictional resistance, thereby further improve the stability after fixing the reel, it is further, be provided with location strip 23, two location strips 23 can block all the time at the both ends of collet 4, when rotating the rolling, collet 4 is to the application of force of location strip 23, make first support ring 10 follow collet 4 and keep synchronous rotation, thereby effectively avoid forming relative rotation between collet 4 and the first support ring 10, thereby effectively reduce wearing and tearing.

Example 2

Referring to fig. 1-9, a mould industry production and use plastic film rolling machine, including mounting panel 1, 1 one side outer wall of mounting panel rotates and is connected with barrel 2, set up two sets of transverse distribution's opening 3 on the barrel 2, a plurality of openings 3 with the group are the annular array and distribute, be provided with two sets of collet 4 in the barrel 2, a plurality of collet 4 with the group are the annular array and distribute, a plurality of collet 4 and a plurality of opening 3 with the group are in same vertical plane, collet 4 top rotates and is connected with two backup pads 5, two backup pads 5 wear to locate in the same opening 3 that corresponds, the top of two adjacent backup pads 5 on two adjacent collet 4 rotates and is connected with same contact plate 6, contact plate 6 cross-section sets to the arc, a plurality of evenly distributed's of fixedly connected with tensioning spring 7 between two adjacent collet 4, be provided with in the barrel 2 and prop tight mechanism.

Further, prop tight mechanism and include second axostylus axostyle 31, second axostylus axostyle 31 fixed connection is in one side that mounting panel 1 is close to barrel 2, second axostylus axostyle 31 sets up on 2 axes of barrel, two guide way 25 have been seted up at second axostylus axostyle 31 top, sliding connection has two symmetric distribution's guide block 26 in the guide way 25, the cover is established on the guide block 26 and is fixed with the lantern ring 27, it is connected with the second and props ring 30 to rotate on the lantern ring 27, the second props the ring 30 cross-section and sets into the round platform form, guide block 26 is connected with actuating mechanism.

Further, the driving mechanism comprises a second motor 24, the second motor 24 is fixedly connected to one side, far away from the cylinder body 2, of the mounting plate 1, a same driving shaft 28 is rotatably connected between the two guide grooves 25, the driving shaft 28 is fixedly connected with an output shaft of the second motor 24, two sets of reverse threads 29 are formed in the driving shaft 28, and threaded connection is formed between the driving shaft 28 and the guide block 26.

Further, one side of the mounting plate 1, which is far away from the cylinder body 2, is fixedly connected with a first motor 13, an output shaft of the first motor 13 is connected with a connecting shaft 14, the other side of the connecting shaft 14 penetrates through the mounting plate 1 and is fixedly connected with a gear 15, a gear ring 12 is fixedly sleeved on the cylinder body 2, and the gear ring 12 is meshed with the gear 15.

Further, the barrel 2 is sleeved and fixed with a positioning ring 11, the positioning ring 11 is arranged between the opening 3 and the gear ring 12, two lug blocks 19 which are symmetrically distributed at two ends are fixedly connected to the top and the bottom outer wall of the barrel 2, and the two lug blocks 19 are rotatably connected with one rolling ball 20.

Furthermore, the same fixing plate 16 fixedly connected with between the inner walls of the two sides of the opening 3 is provided with a socket 18 on the fixing plate 16, the outer surface of the bottom support 4 is fixedly connected with an inserting rod 17, the inserting rod 17 is inserted into the socket 18, so that the bottom support 4 can move directionally in the socket 18 along with the inserting rod 17, and the stability of the moving process of the bottom support 4 is improved.

Furthermore, the opposite surfaces of the two contact plates 6 are provided with an introducing part 21, the introducing part 21 and the contact plates 6 are of an integral structure, and the cross section of the introducing part 21 is arc-shaped.

Furthermore, the outer surface of the contact plate 6 is provided with a plurality of groups of anti-skid portions 22 distributed in an annular array, the anti-skid portions 22 and the contact plate 6 are of an integral structure, and the cross section of each anti-skid portion 22 is trapezoidal.

The working principle is as follows: when the device is used, a winding drum for winding the plastic film is sleeved on the drum body 2, so that the winding drum is tightly attached to the positioning ring 11, then the second motor 24 is started, the output shaft of the second motor 24 drives the driving shaft 28 to rotate, under the action of the reverse screw thread 29, the two guide blocks 26 in the same group move close to each other, the guide blocks 26 synchronously drive the lantern ring 27 and the second supporting ring 30 to move, as the section of the second supporting ring 30 is in a round table shape, the two second supporting rings 30 can prop apart the plurality of bottom supports 4 in the same group from two sides, the tensioning spring 7 is stretched, the reverse elasticity of the tensioning spring enables the plurality of bottom supports 4 to be tightly leaned on the second supporting rings 30, the supporting plate 5 on the bottom supports 4 moves outwards, then the contact plate 6 is driven to move outwards, namely, the winding drum can be tightly propped and fixed through the plurality of contact plates 6, so that the winding drums with different inner diameters can be conveniently fixed, after the winding drum is completely fixed, the first motor 13 can be started, the output shaft of the first motor 13 drives the connecting shaft 14 and the gear 15 to rotate, the gear 15 is meshed to drive the gear ring 12, the cylinder 2 and the whole winding drum to rotate, the plastic film can be wound, further, the guide-in part 21 with the arc-shaped section is arranged, the two guide-in parts 21 are respectively arranged at the two ends of the winding drum, when the winding drum is sleeved on the cylinder 2, if the end part of the winding drum is abutted against the guide-in part 21, the position of the winding drum can be corrected through the arc-shaped surface of the guide-in part 21, so that the sleeve can be conveniently sleeved on the cylinder 2, the rolling ball 20 is arranged, when the winding drum is sleeved on the cylinder 2, the inner wall of the winding drum can be lapped on the rolling ball 20, in the process of propelling the winding drum, the moving resistance of the winding drum is reduced through the rotating rolling ball 20, so that the sleeving process of the winding drum is facilitated, the contact plate 6 is further arranged, the section of the contact plate is arc-shaped, can carry out the laminating formula contact with the reel inner wall better to improve the stability after fixing the reel, and be provided with antiskid portion 22 on the contact plate 6 surface, antiskid portion 22 cross-section is trapezoidal, can follow barrel 2 when rotating the rolling when the contact plate 6, and accessible antiskid portion 22 improves and the reel between the frictional resistance, thereby further improves the stability after fixing the reel.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Claims (10)

1. The utility model provides a mould industry production and use plastic film rolling machine, including mounting panel (1), a serial communication port, mounting panel (1) one side outer wall rotates and is connected with barrel (2), set up two sets of transverse distribution's opening (3) on barrel (2), a plurality of opening (3) of organizing on the same side are the annular array and distribute, be provided with two sets of collet (4) in barrel (2), a plurality of collet (4) of organizing on the same side are the annular array and distribute, a plurality of collet (4) and a plurality of opening (3) of organizing on the same side are in same vertical plane, collet (4) top is rotated and is connected with two backup pad (5), two backup pad (5) are worn to locate in the same opening (3) that corresponds, the top of two adjacent backup pad (5) on two adjacent collet (4) is rotated and is connected with same contact plate (6), contact plate (6) cross-section sets to the arc, a plurality of evenly distributed's tensioning spring (7) of fixedly connected with between two adjacent collet (4), be provided with and prop tight mechanism in barrel (2).

2. The plastic film winding machine for plastic industry production according to claim 1, wherein the tightening mechanism comprises an electric push rod (8), the electric push rod (8) penetrates through and is fixed on the mounting plate (1), an output shaft of the electric push rod (8) is connected with a first shaft rod (9), the first shaft rod (9) penetrates through a plurality of bottom supports (4) in the same group, two first supporting rings (10) are rotatably connected to the first shaft rod (9), and the cross section of each first supporting ring (10) is in a circular truncated cone shape.

3. The plastic film rolling machine for plastic industry production of claim 1, characterized in that, prop tight mechanism and include second axostylus axostyle (31), second axostylus axostyle (31) fixed connection is in the one side that mounting panel (1) is close to barrel (2), second axostylus axostyle (31) set up on barrel (2) axis, two guide way (25) have been seted up at second axostylus axostyle (31) top, sliding connection has two symmetric distribution's guide block (26) in guide way (25), the cover is established and is fixed with lantern ring (27) on guide block (26), it has second to prop ring (30) to rotate on lantern ring (27), second props ring (30) cross-section and sets up to the round platform form, guide block (26) are connected with actuating mechanism.

4. The plastic film winding machine for plastic industry production as claimed in claim 3, wherein the driving mechanism comprises a second motor (24), the second motor (24) is fixedly connected to one side, far away from the cylinder (2), of the mounting plate (1), the two guide grooves (25) are connected with a same driving shaft (28) in a rotating mode, the driving shaft (28) is fixedly connected with an output shaft of the second motor (24), two sets of reverse threads (29) are formed in the driving shaft (28), and the driving shaft (28) is in threaded connection with the guide blocks (26).

5. The plastic film winding machine for plastic industry production according to claim 1, characterized in that one side of the mounting plate (1) far away from the cylinder (2) is fixedly connected with a first motor (13), an output shaft of the first motor (13) is connected with a connecting shaft (14), the other side of the connecting shaft (14) penetrates through the mounting plate (1) and is fixedly connected with a gear (15), a gear ring (12) is fixedly sleeved on the cylinder (2), and the gear ring (12) is meshed with the gear (15) for connection.

6. The plastic film winding machine for plastic industry production as claimed in claim 5, wherein a positioning ring (11) is fixedly sleeved on the cylinder (2), the positioning ring (11) is arranged between the opening (3) and the gear ring (12), two lug blocks (19) with two ends symmetrically distributed are fixedly connected to the outer wall of the top and the outer wall of the bottom of the cylinder (2), and the same rolling ball (20) is rotatably connected between the two lug blocks (19).

7. The plastic film winding machine for plastic industry production as claimed in claim 1, wherein the same fixing plate (16) is fixedly connected between the inner walls of the two sides of the opening (3), a socket (18) is formed on the fixing plate (16), an inserting rod (17) is fixedly connected to the outer surface of the bottom support (4), and the inserting rod (17) is inserted into the socket (18).

8. The plastic film winder for plastic industry production as claimed in claim 1, wherein the opposite sides of the two sets of contact plates (6) are provided with an introduction part (21), the introduction part (21) and the contact plates (6) are of an integral structure, and the section of the introduction part (21) is arc-shaped.

9. The plastic film winder for plastic industry production as claimed in claim 1, wherein the outer surface of the contact plate (6) is provided with a plurality of groups of anti-slip parts (22) distributed in an annular array, the anti-slip parts (22) and the contact plate (6) are of an integral structure, and the cross section of each anti-slip part (22) is trapezoidal.

10. The plastic film winding machine for plastic industry production as claimed in claim 2, wherein the outer circumferential wall of the first supporting ring (10) is fixedly connected with a plurality of groups of positioning strips (23) distributed in an annular array, and the distance between two positioning strips (23) in the same group is equal to the width of the bottom support (4).

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