CN212826813U - Embossing device used on film blowing machine - Google Patents

Abstract

The invention relates to the field of film blowing machines, in particular to an embossing device used on a film blowing machine, which comprises a bottom plate and a plastic film, wherein mounting plates are fixed on two sides of the upper end surface of the bottom plate, a rotating shaft is fixed between the two mounting plates and is driven by a motor to rotate, a main traction roller through which the rotating shaft passes is fixed on the rotating shaft, a supporting shaft is also fixed between the two mounting plates on one side of the rotating shaft, a supporting roller through which the supporting shaft passes and is fixedly connected with the supporting shaft is fixed on the supporting shaft, two ends of the supporting shaft are connected with the mounting plates through a sliding mechanism I, the sliding mechanism I comprises a sliding groove I which is transversely arranged on the mounting plates, a plurality of sliding rails I are transversely fixed in the sliding groove I, a sliding block I which is slidably connected with the sliding rails I is also fixed in the sliding groove I, and the, the sliding block I is fixedly connected with a piston rod of a cylinder I which is transversely fixed. The natural switching of the film printing can be realized through the device.

Description

Embossing device used on film blowing machine

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of film blowing machines, in particular to an embossing device used on a film blowing machine.

[ background of the invention ]

The film blowing machine heats and melts plastic particles and then blows the plastic particles into a film. The film blowing machine mainly comprises a screw extrusion mechanism, a die head, a cooling mechanism, a traction mechanism and a winding mechanism.

In the small-batch production process of film embossing, the hemp roller acts on the plastic film to form raised hemp dots and patterns required by customers, the hemp roller at the tail part of the plastic film needs to be replaced when films of different specifications and models are processed, the traditional replacement mode needs to be stopped, then the air cylinder and the rubber roller above the hemp roller are disassembled, then the hemp roller is replaced, and the replacement work is time-consuming and labor-consuming and has low working efficiency.

The invention is provided for overcoming the defects of the prior art.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provide an embossing device used on a film blowing machine, which does not need to stop, naturally switches embossing of plastic films and can quickly replace a hemp roller to meet different film embossing requirements.

The invention can be realized by the following technical scheme:

the invention discloses an embossing device used on a film blowing machine, which comprises a bottom plate and a plastic film, wherein mounting plates are fixed on two sides of the upper end surface of the bottom plate, a rotating shaft is fixed between the two mounting plates and is driven by a motor to rotate, a main traction roller through which the rotating shaft passes is fixed on the rotating shaft, a supporting shaft is also fixed between the two mounting plates on one side of the rotating shaft, a supporting roller through which the supporting shaft passes and is fixedly connected with the supporting shaft is fixed on the supporting shaft, two ends of the supporting shaft are connected with the mounting plates through a sliding mechanism I, the sliding mechanism I comprises a sliding chute I transversely arranged on the mounting plates, a plurality of sliding rails I are transversely fixed in the sliding chute I, a sliding block I which is in sliding connection with the sliding rails I is also fixed in the sliding chute I, the tail end of the supporting shaft passes through the sliding block I and is rotatably connected with the sliding block I, and, a driven shaft which is rotatably connected with the mounting plates is further fixed between the two mounting plates on the left side of the rotating shaft, a driven roller through which the driven shaft passes is fixed on the driven shaft, a connecting shaft is fixed between the two mounting plates above the driven roller, the connecting shaft is also driven by a motor to rotate, a main hemp roller through which the connecting shaft passes is fixed on the connecting shaft, two sides of the connecting shaft are connected with the mounting plates at corresponding positions through a sliding mechanism II, the sliding mechanism II comprises a vertically fixed sliding groove II, a plurality of sliding rails II are vertically fixed in the sliding groove II, a sliding block II which is slidably connected with the sliding rails II is further fixed in the sliding groove II, the tail end of the connecting shaft passes through the corresponding sliding block II and is rotatably connected with the sliding block II, the sliding block II is further fixedly connected with a piston rod on a vertically fixed cylinder II, and a, be fixed with the fixed axle on the fixed axle and pass and rotate the fixed roll of being connected with the fixed axle, the fixed axle left side still is fixed with a plurality of spacing axles, be fixed with the quick detach bast that the spacing axle passed on the spacing epaxial, spacing axle both ends are all fixed on the mounting panel through corresponding slide mechanism III, slide mechanism III contains vertical spout III that sets up on the mounting panel, vertical many slide rails III that are fixed with in the spout III, still be fixed with in the spout III with slide rail III sliding connection's slider III, slider III and the cylinder III upper piston rod fixed connection of corresponding position, be fixed with respectively on the slider III at spacing axle both ends and correspond slider III and rotate location axle and the universal driving shaft of being connected, all be provided with the square hole on spacing axle and the universal driving shaft, be equipped with the locating hole that runs through spacing axle with the square hole corresponding position on the spacing axle, spacing axle passes spacing axle and universal driving shaft upper square hole and spacing epaxial locating hole after-fixing at the spacing axle at the limit A driving wheel II is further fixed at one end of the driven shaft between the position shaft and the linkage shaft, a support column is further fixed on the mounting plate at one side of the driving wheel II, a driven wheel II which penetrates through the support column and is rotatably connected with the support column is fixed on the support column, the driven wheel II is in winding connection with the driving wheel II through a synchronous belt II, a driving gear which penetrates through the support column and is rotatably connected with the support column is further fixed on the support column, the driving gear and the driven wheel II are mutually fixed, a fixed column is further fixed on the mounting plate above the support column, a driven gear which penetrates through the fixed column and is rotatably connected with the fixed column is fixed on the fixed column, the driven gear is mutually meshed with the driving gear, a linkage wheel which penetrates through the fixed column and is rotatably connected with the fixed column is further fixed on the fixed, still be fixed with the reference column on the mounting panel, be fixed with the reference column on the reference column and pass and rotate the locating wheel of being connected with the reference column, the locating wheel passes through double-sided tooth hold-in range and aforementioned gang wheel wiring, all be fixed with the gang gear with double-sided tooth hold-in range meshing on the universal driving shaft of double-sided tooth hold-in range below, plastic film passes the top of main dancer rools below, fixation roller below and quick detach dancer rools in proper order after passing between main carry over pinch rolls and the backing roll. After a film is produced and passes through the space between a main traction roller and a support roller, the film passes through the space between a driven roller and a main hemp roller, and passes through the space below a fixed roller, and finally passes through the space above a quick-dismantling hemp roller and then is wound on a winding device, an air cylinder I is started, a piston rod on the air cylinder I is extended, the support roller moves close to the main traction roller, the support roller and the main traction roller mutually extrude a plastic film, an air cylinder II is started, a piston rod on the air cylinder II is extended, the main hemp roller downwards approaches the driven roller and then extrudes the fixed plastic film together with the driven roller, and starts a corresponding quick-dismantling hemp roller according to required patterns, when the quick-dismantling hemp roller is used, the air cylinders III at the two ends of the quick-dismantling hemp roller are started, the piston rods on the air cylinders III are shortened, a sliding block III upwards moves, the lower end surfaces of the plastic film after the, the linkage gear is meshed with the double-sided tooth synchronous belt after being contacted with the double-sided tooth synchronous belt, when a plastic film is printed, a motor is started, the motor drives the main traction roller and the driven roller to rotate, when the driven roller rotates, the main hemp roller rotates together, the winding device is started together, the plastic film is uniformly conveyed to the winding device to be wound by the winding device, in the moving process of the plastic film, the printing operation is carried out on the upper end face of the plastic film through the main hemp roller, when the quick-release hemp roller rotates, the printing operation is carried out on the plastic film through the quick-release hemp roller, when patterns need to be replaced, air cylinders III at two ends of the quick-release hemp roller which is in use are started, piston rods on the air cylinders III are extended, the linkage gear descends, the linkage gear is separated from the double-sided tooth synchronous belt, the quick-release hemp roller which is in use is separated from the plastic, the continuous linkage gear of quick detach bast roller that uses with needs rises, the linkage gear meshes with the back of double-sided tooth synchronous belt contact, the quick detach bast roller that drives to correspond through the double-sided tooth synchronous belt rotates and carries out the stamp operation to the plastic film, need not to stop can realize the natural switching to plastic film stamp pattern, and when changing quick detach bast roller from the board, only need take off the thread bush, the square shaft that will correspond is followed the location axle, universal driving shaft and spacing epaxial dismantlement, can realize taking off the quick detach bast roller, and assemble the quick detach bast roller that needs to change to this position once more, during the equipment, only need pass the epaxial square hole of location in proper order through the square shaft, can effectively assemble new quick detach bast roller to the board behind spacing epaxial locating hole and the universal driving shaft square hole, realize quick dismantlement and the equipment of quick detach bast roller.

Preferably, pivot one end is fixed with action wheel I, it is fixed with from driving wheel I to correspond the position with following driving wheel I on the driven shaft, follow driving wheel I and aforementioned I wire-wound joint of action wheel through hold-in range I.

Preferably, the linear speeds of the main traction roller, the driven roller, the fixed roller and the quick-release hemp roller are equal.

Preferably, the outer periphery of the tail end of the positioning shaft is provided with external threads, and the tail end of the positioning shaft is further fixed with a threaded sleeve in threaded connection with the positioning shaft.

Compared with the prior art, the invention has the following advantages:

1. when the decorative pattern will be changed, quick detach dancer rools both ends cylinder III that is using starts, piston rod extension on the cylinder III, the linked gear descends, linked gear and two-sided tooth hold-in range separation, the quick detach dancer rools that are using separates with plastic film, the cylinder III that corresponds quick detach dancer rools both ends that need change the decorative pattern starts, piston rod shortens on the cylinder III, the linked gear who links to each other with the quick detach dancer rools that needs to use rises, the linked gear meshes with two-sided tooth hold-in range after-contact, drive the quick detach dancer rools that correspond through two-sided tooth hold-in range and rotate and carry out the stamp operation to plastic film, need not the shut down and can realize the natural.

2. When changing quick detach dancer rools from the board, only need take off the thread bush, the square shaft that will correspond is followed the location axle, universal driving shaft and spacing epaxial dismantlement, can realize taking off quick detach dancer rools, and assemble the quick detach dancer rools that need change to this position once more, during the equipment, only need pass the epaxial side hole of location in proper order through the square shaft, can effectively assemble the board with new quick detach dancer rools behind spacing epaxial locating hole and the universal driving shaft side hole, realize quick detach dancer rools's quick detach and equipment.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

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

FIG. 2 is another angular configuration of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 6 is an enlarged view at C of FIG. 4;

FIG. 7 is an enlarged view of FIG. 5 at D;

in the figure: 1. a base plate; 2. a plastic film; 3. mounting a plate; 4. a rotating shaft; 5. a main pulling roll; 6. a motor; 7. a chute I; 8. a slide rail I; 9. a sliding block I; 10. a support shaft; 11. a support roller; 12. a driven shaft; 13. a driven roller; 14. a driving wheel I; 15. a driven wheel I; 16. a synchronous belt I; 17. a chute II; 18. a slide rail II; 19. a sliding block II; 20. a cylinder II; 21. a connecting shaft; 22. a main hemp roller; 23. a fixed shaft; 24. a fixed roller; 25. a support pillar; 26. a driven wheel II; 27. a driving wheel II; 28. a synchronous belt II; 29. a driving gear; 30. fixing a column; 31. a driven gear; 32. a linkage wheel; 33. a positioning column; 34. positioning wheels; 35. a double-sided tooth synchronous belt; 36. a chute III; 37. a slide rail III; 38. a slide block III; 39. a cylinder III; 40. positioning the shaft; 41. a limiting shaft; 42. quickly detaching the hemp roller; 43. a linkage shaft; 44. a linkage gear; 45. a square hole; 46. positioning holes; 47. a square shaft; 48. a threaded sleeve; 49. a cylinder I;

[ detailed description ] embodiments

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 7: the invention discloses an embossing device used on a film blowing machine, which comprises a bottom plate 1 and a plastic film 2, wherein mounting plates 3 are fixed on two sides of the upper end surface of the bottom plate 1, a rotating shaft 4 is fixed between the two mounting plates 3, the rotating shaft 4 is driven by a motor 6 to rotate, a main traction roller 5 through which the rotating shaft 4 passes is fixed on the rotating shaft 4, a supporting shaft 10 is also fixed between the two mounting plates 3 on one side of the rotating shaft 4, a supporting roller 11 through which the supporting shaft 10 passes and is fixedly connected with the supporting shaft 10 is fixed on the supporting shaft 10, two ends of the supporting shaft 10 are connected with the mounting plates 3 through a sliding mechanism I, the sliding mechanism I comprises a sliding groove I7 transversely arranged on the mounting plates 3, a plurality of sliding rails I8 are transversely fixed in the sliding groove I7, a sliding block I9 slidably connected with the sliding rails I8 is also fixed in the sliding groove I7, the tail end, the sliding block I9 is fixedly connected with a piston rod of a transversely fixed air cylinder I49, a driven shaft 12 which is rotatably connected with the mounting plates 3 is further fixed between the two mounting plates 3 on the left side of the rotating shaft 4, a driven roller 13 through which the driven shaft 12 passes is fixed on the driven shaft 12, a connecting shaft 21 is fixed between the two mounting plates 3 above the driven roller 13, the connecting shaft 21 is also driven to rotate by a motor 6, a main hemp roller 22 through which the connecting shaft 21 passes is fixed on the connecting shaft 21, both sides of the connecting shaft 21 are connected with the mounting plates 3 at corresponding positions through a sliding mechanism II, the sliding mechanism II comprises a vertically fixed sliding chute II 17, a plurality of sliding rails II 18 are vertically fixed in the sliding chute II 17, a sliding block II 19 which is slidably connected with the sliding rails II 18 is further fixed in the sliding chute II 17, the tail end of the connecting shaft 21 passes through the corresponding sliding block II 19 and is rotatably connected with, a fixed shaft 23 is fixed between the two mounting plates 3 below the left side of the connecting shaft 21, a fixed roller 24 which is penetrated by the fixed shaft 23 and is rotationally connected with the fixed shaft 23 is fixed on the fixed shaft 23, a plurality of limiting shafts 41 are also fixed on the left side of the fixed shaft 23, a quick-release hemp roller 42 which is penetrated by the limiting shafts 41 is fixed on the limiting shafts 41, two ends of each limiting shaft 41 are fixed on the mounting plates 3 through corresponding sliding mechanisms III, each sliding mechanism III comprises a sliding chute III 36 which is vertically arranged on the mounting plates 3, a plurality of sliding rails III 37 are vertically fixed in the sliding chute III 36, a sliding block III 38 which is slidably connected with the sliding rails III 37 is also fixed in the sliding chute III 36, the sliding block III 38 is fixedly connected with a piston rod on a cylinder III 39 at a corresponding position, a positioning shaft 40 and a linkage shaft 43 which are rotationally connected with the corresponding sliding block III 38 are respectively fixed on the sliding blocks 38 at two ends of the limiting, a positioning hole 46 penetrating through the limiting shaft 41 is arranged on the position, corresponding to the square hole 45, of the limiting shaft 41, the limiting shaft 41 penetrates through the square hole 45 of the limiting shaft 41 and the linkage shaft 43 through the square shaft 47 and then is fixed between the limiting shaft 41 and the linkage shaft 43 through the positioning hole 46 of the limiting shaft 41, a driving wheel II 27 is further fixed at one end of the driven shaft 12, a supporting column 25 is further fixed on the mounting plate 3 on one side of the driving wheel II 27, a driven wheel II 26 which penetrates through the supporting column 25 and is rotatably connected with the supporting column 25 is fixed on the supporting column 25, the driven wheel II 26 is in winding connection with the driving wheel II 27 through a synchronous belt II 28, a driving gear 29 which penetrates through the supporting column 25 and is rotatably connected with the supporting column 25 is further fixed on the supporting column 25, the driving gear 29 and the driven wheel II 26 are mutually fixed, a fixed column 30 is further fixed on the mounting plate 3 above the supporting, the driven gear 31 is meshed with the driving gear 29, a linkage wheel 32 is further fixed on the fixing column 30, the linkage wheel 30 penetrates through the fixing column 30 and is connected with the fixing column 30 in a rotating mode, the linkage wheel 32 is fixed with the driven gear 31, a positioning column 33 is further fixed on the mounting plate 3, a positioning wheel 34 is fixed on the positioning column 33, the positioning wheel 33 penetrates through the positioning column 33 and is connected with the positioning column 33 in a rotating mode, the positioning wheel 34 is connected with the linkage wheel 32 in a winding mode through a double-sided toothed synchronous belt 35, a linkage gear 44 meshed with the double-sided toothed synchronous belt 35 is fixed on a linkage shaft 43 below the double-sided toothed synchronous belt 35, and the plastic film 2 penetrates through the space between the main traction roller 5 and the supporting roller 11 and then sequentially penetrates through the position below the main. After the film is produced, the film passes through a space between a main traction roller 5 and a support roller 11, the film passes through a space between a driven roller 13 and a main hemp roller 22, passes through a space below a fixed roller 24, finally passes through a space above a quick-release hemp roller 42 and is wound on a winding device (not shown), an air cylinder I49 is started, a piston rod on the air cylinder I49 is extended, the support roller 11 moves close to the main traction roller 5, the support roller 11 and the main traction roller 5 mutually extrude the plastic film 2, an air cylinder II 20 is started, a piston rod on the air cylinder II 20 is extended, the main hemp roller 22 downwards approaches the driven roller 13 and then extrudes and fixes the plastic film 2 together with the driven roller 13, and starts a corresponding quick-release hemp roller 42 according to a required pattern, when the quick-release hemp roller 42 is used, air cylinders III 39 at two ends of the quick-release hemp roller 42 are started, piston rods on the air cylinders III 39 are shortened, a sliding block III 38 upwards moves, the quick-, when the sliding block III 38 moves upwards, the corresponding linkage gear 44 moves upwards synchronously, the linkage gear 44 is meshed with the double-sided tooth synchronous belt 35 after contacting with the double-sided tooth synchronous belt 35, when the plastic film 2 is printed, the motor 6 is started, the motor 6 drives the main traction roller 5 and the driven roller 13 to rotate, when the driven roller 13 rotates, the main hemp roller 22 rotates together, the winding device is started together, the plastic film 2 is uniformly conveyed to the winding device to be collected by the winding device, in the moving process of the plastic film 2, the upper end face of the plastic film 2 is printed by the main hemp roller 22, and when the quick-release hemp roller 42 rotates, the plastic film 2 is printed by the quick-release hemp roller 42, when patterns need to be changed, the air cylinders 39 at two ends of the quick-release hemp roller 42 which is being used are started, the piston rods on the air cylinders III 39 extend, the linkage gear 44 descends, the linkage gear 44 is separated from the, the quick-release hemp roller 42 which is in use is separated from the plastic film 2, the air cylinders III 39 at two ends of the corresponding quick-release hemp roller 42 with patterns to be replaced are started, the piston rods on the air cylinders III 39 are shortened, the linkage gear 44 connected with the quick-release hemp roller 42 to be used rises, the linkage gear 44 is meshed with the double-sided toothed synchronous belt 35 after contacting, the corresponding quick-release hemp roller 42 is driven by the double-sided toothed synchronous belt 35 to rotate to print the plastic film 2, the natural switching of the printing style of the plastic film 2 can be realized without stopping, when the quick-release hemp roller 42 is replaced from a machine, only the threaded sleeve 48 needs to be taken down, the corresponding square shaft 47 is taken down from the positioning shaft 40, the linkage shaft 43 and the limiting shaft 41, the quick-release hemp roller 42 can be taken down, the quick-release hemp roller 42 to be replaced again is assembled to the position, and during assembly, the square shaft 47 only needs to sequentially pass through the hole 45, After the positioning hole 46 on the limiting shaft 41 and the hole 45 above the linkage shaft 43, a new quick-release hemp roller 42 can be effectively assembled on a machine table, so that the quick disassembly and assembly of the quick-release hemp roller 42 are realized.

Wherein, 4 one ends of pivot are fixed with action wheel I14, correspond the position with following driven wheel I15 on the driven shaft 12 and are fixed with from driven wheel I15, follow driven wheel I15 and pass through hold-in range I16 and action wheel I14 round-robin.

The linear velocities of the outer peripheries of the main traction roller 5, the driven roller 13, the fixed roller 24 and the quick-release hemp roller 42 are equal.

Wherein, the outer periphery of the tail end of the positioning shaft 40 is provided with an external thread, and the tail end of the positioning shaft 40 is also fixed with a threaded sleeve 48 which is in threaded connection with the positioning shaft 40.

The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.

Claims (4)

1. The utility model provides an embossing device who uses on inflation film manufacturing machine which characterized in that: the plastic film laminating machine comprises a base plate and a plastic film, wherein mounting plates are fixed on two sides of the upper end face of the base plate, a rotating shaft is fixed in the middle of the two mounting plates and is rotated by motor driving, a main traction roller through which the rotating shaft penetrates is fixed on the rotating shaft, a supporting shaft is further fixed in the middle of the two mounting plates on one side of the rotating shaft, a supporting roller through which the supporting shaft penetrates and is fixedly connected with the supporting shaft is fixed on the supporting shaft, two ends of the supporting shaft are connected with the mounting plates through a sliding mechanism I, the sliding mechanism I comprises a sliding groove I transversely arranged on the mounting plates, a plurality of sliding rails I are transversely fixed in the sliding groove I, a sliding block I in sliding connection with the sliding rails I is further fixed in the sliding groove I, the tail end of the supporting shaft penetrates through the sliding block I and is rotatably connected with the sliding block I, the sliding block I is fixedly connected with a piston, a driven roller through which the driven shaft passes is fixed on the driven shaft, a connecting shaft is fixed between two mounting plates above the driven roller and is driven by a motor to rotate, a main hemp roller through which the connecting shaft passes is fixed on the connecting shaft, two sides of the connecting shaft are connected with the mounting plates at corresponding positions through a sliding mechanism II, the sliding mechanism II comprises a vertically fixed sliding chute II, a plurality of sliding rails II are vertically fixed in the sliding chute II, a sliding block II which is in sliding connection with the sliding rails II is also fixed in the sliding chute II, the tail end of the connecting shaft passes through the corresponding sliding block II and is in rotating connection with the sliding block II, the sliding block II is also fixedly connected with a piston rod on a vertically fixed cylinder II, a fixed shaft is also fixed between the two mounting plates below the left side of the connecting shaft, and a fixed roller through which the fixed shaft is in rotating connection, the left side of the fixed shaft is also fixedly provided with a plurality of limiting shafts, the limiting shafts are fixedly provided with quick-release hemp rollers through which the limiting shafts pass, the two ends of each limiting shaft are fixed on the mounting plate through corresponding sliding mechanisms III, each sliding mechanism III comprises a sliding chute III vertically arranged on the mounting plate, a plurality of sliding rails III are vertically fixed in the sliding chute III, a sliding block III in sliding connection with the sliding rail III is further fixed in the sliding chute III, the sliding block III is fixedly connected with a piston rod on a cylinder III at a corresponding position, the sliding blocks III at the two ends of each limiting shaft are respectively and fixedly provided with a positioning shaft and a linkage shaft which are rotatably connected with the corresponding sliding blocks III, square holes are respectively arranged on the limiting shafts and the linkage shafts, positioning holes which penetrate through the limiting shafts are arranged at positions corresponding to the square holes on the limiting shafts, the limiting shafts pass through the square holes on the limiting shafts and the linkage shafts and then are fixed between the limiting shafts, a driving wheel II is further fixed at one end of the driven shaft, a supporting column is further fixed on the mounting plate at one side of the driving wheel II, a driven wheel II which penetrates through the supporting column and is connected with the supporting column in a rotating mode is fixed on the supporting column, the driven wheel II is connected with the driving wheel II in a winding mode through a synchronous belt II, a driving gear which penetrates through the supporting column and is connected with the supporting column in a rotating mode is further fixed on the supporting column, a fixed column is further fixed on the mounting plate above the supporting column, a driven gear which penetrates through the fixed column and is connected with the fixed column in a rotating mode is fixed on the fixed column, the driven gear is meshed with the driving gear, a linkage wheel which penetrates through the fixed column and is connected with the fixed column in a rotating mode is further fixed on the fixed column, the linkage wheel and the driven, the positioning device is characterized in that a positioning column is fixed on the positioning column and penetrates through the positioning wheel which is connected with the positioning column in a rotating mode, the positioning wheel is in winding connection with the linkage wheel through a double-sided tooth synchronous belt, linkage gears meshed with the double-sided tooth synchronous belt are fixed on a linkage shaft below the double-sided tooth synchronous belt, and the plastic film penetrates through the space between the main traction roller and the supporting roller and then sequentially penetrates through the lower portion of the main hemp roller, the lower portion of the fixed roller and the upper portion of the quick-release hemp roller.

2. The embossing device used on the film blowing machine according to claim 1, characterized in that: pivot one end is fixed with action wheel I, correspond the position with follow driving wheel I on the driven shaft and be fixed with from driving wheel I, follow driving wheel I and aforementioned I wraparound of action wheel are passed through hold-in range I from driving wheel I.

3. The embossing device used on the film blowing machine according to claim 1, characterized in that: the linear speeds of the main traction roller, the driven roller, the fixed roller and the quick-release hemp roller are equal.

4. The embossing device used on the film blowing machine according to claim 1, characterized in that: the outer periphery of the tail end of the positioning shaft is provided with external threads, and the tail end of the positioning shaft is further fixed with a threaded sleeve in threaded connection with the positioning shaft.

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