CN218966098U

CN218966098U - Traction equipment for film preparation

Info

Publication number: CN218966098U
Application number: CN202223284674.8U
Authority: CN
Inventors: 孙波; 朱俊杰; 王钦
Original assignee: Jiangsu Zongliang New Material Co ltd
Current assignee: Jiangsu Zongliang New Material Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-05
Anticipated expiration: 2032-12-07

Abstract

The application relates to traction equipment for film preparation, which comprises a frame, a lower traction roller, an upper traction roller, an adjusting frame, a driving component and an automatic adjusting component, wherein the lower traction roller is rotatably arranged on the frame, and the driving component is arranged on the frame and connected with the lower traction roller; the automatic adjusting device comprises a frame, an automatic adjusting component, a supporting mechanism and a lifting component, wherein the adjusting frame is arranged on the frame in a sliding manner, the upper traction roller is arranged on the adjusting frame in a rotating manner, the automatic adjusting component is arranged on the frame and connected with the adjusting frame, the supporting mechanism comprises a first supporting block, a second supporting block, a lifting component and a connecting component, and the first supporting block is arranged on the adjusting frame; the lifting piece is arranged on the frame, and the second supporting block is arranged on the lifting piece; the connecting assembly connects the first support block and the second support block. The method has the effect of improving efficiency.

Description

Traction equipment for film preparation

Technical Field

The application relates to the technical field of film preparation, in particular to traction equipment for film preparation.

Background

When the plastic film is prepared, raw materials are extruded by a screw extruder, and then are cast on a cooling roller with smooth surface by a machine head to be rapidly cooled into a film, cold water is introduced into the cooling roller to cool and shape the film, and traction equipment is used for carrying out traction and stretching on the plastic film.

At present, the chinese patent with the publication number CN212472092U discloses a high-efficiency traction device, which comprises a traction base, wherein the two sides of the upper surface of the traction base are fixedly connected with telescopic sleeves, the inside of each telescopic sleeve is fixedly provided with a reset spring, the inside of each reset spring is fixedly connected with a lifting support rod, and one side of each lifting support rod is fixedly connected with a traction support connecting clamp. Through traction wheel, traction support and telescopic tube's setting, the staff will draw the support and lift up the back, and the staff can place one side of film between two traction wheels, loosens the support to traction support after, and reset spring can make the lift bracing piece resume the normal position according to inertia, can drive traction support and descend to make two traction wheels carry out the centre gripping to the film.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, because the traction base has a certain distance, a certain time is needed for the film to pass through the traction base, so that a worker is required to always lift the traction support and then pass the film through the traction base, but the traction support has a certain weight, and the worker is relatively laborious to always lift the traction support; in order to avoid potential safety hazard to the staff due to the fact that the staff does not lift the traction support to cause the traction support to suddenly fall down, the staff needs to rest after lifting for a period of time, and then lift the traction support, so that the time for the film to pass through the traction support is longer, and the efficiency is lower.

Disclosure of Invention

In order to improve efficiency, the present application provides a traction apparatus for film preparation.

The application provides a traction equipment for film preparation adopts following technical scheme:

the traction equipment for film preparation comprises a frame, a lower traction roller, an upper traction roller, an adjusting frame, a driving assembly and an automatic adjusting assembly, wherein the lower traction roller is rotatably arranged on the frame, and the driving assembly is arranged on the frame and connected with the lower traction roller; the automatic adjusting device comprises a frame, an automatic adjusting component, a supporting mechanism and a lifting component, wherein the adjusting frame is arranged on the frame in a sliding manner, the upper traction roller is arranged on the adjusting frame in a rotating manner, the automatic adjusting component is arranged on the frame and connected with the adjusting frame, the supporting mechanism comprises a first supporting block, a second supporting block, a lifting component and a connecting component, and the first supporting block is arranged on the adjusting frame; the lifting piece is arranged on the frame, and the second supporting block is arranged on the lifting piece; the connecting assembly connects the first support block and the second support block.

By adopting the technical scheme, when the film is required to be pulled, the lifting piece is started first, so that the second supporting block is abutted against the first supporting block, and then the second supporting block and the first supporting block are connected together by the connecting component; then starting the lifting piece, so that the adjusting frame moves in a direction away from the lower traction roller, the distance between the lower traction roller and the upper traction roller is increased, and the film can conveniently pass through the space between the lower traction roller and the upper traction roller; then the second supporting block does not contact the first supporting block any more, and under the adjustment of the gravity of the automatic adjusting component and the adjusting frame, the adjusting frame moves towards the direction close to the lower traction roller, so that the upper traction roller on the adjusting frame contacts one side of the film far away from the lower traction roller; finally, starting a driving assembly, wherein the driving assembly drives the lower traction roller to rotate, and the film moves; because the supporting mechanism that sets up can reduce manual operation to improve efficiency.

Optionally, the connecting assembly includes a connecting bolt and a connecting nut, a first through hole is formed in the first supporting block, a second through hole is formed in the second supporting block, one end, far away from the nut, of the connecting bolt sequentially penetrates through the first through hole and the second through hole, and the connecting nut is in threaded connection with the connecting bolt penetrating through the second through hole; the nut of the connecting bolt abuts against the first supporting block, and the connecting nut abuts against the second supporting block.

Through adopting above-mentioned technical scheme, after the first supporting shoe of second supporting shoe conflict, make the one end that connecting bolt kept away from the nut pass first through-hole and second through-hole in proper order, make connecting nut and the connecting bolt threaded connection who passes the second through-hole then to make connecting nut support tight second supporting shoe, connecting bolt's nut conflict first supporting shoe.

Optionally, a reinforcing mechanism is arranged on the frame, the reinforcing mechanism comprises a connecting block, a reinforcing rod and a moving assembly, the connecting block is arranged on the adjusting frame, and a reinforcing groove is formed in the connecting block; the reinforcing rod is arranged on the rack in a sliding manner and is clamped with the reinforcing groove; the moving assembly is arranged on the frame and connected with the reinforcing rod.

By adopting the technical scheme, after the position of the adjusting frame is fixed, the moving assembly drives the reinforcing rod to move, so that the reinforcing rod is clamped with the reinforcing groove on the connecting block; therefore, the reinforcing mechanism can improve the stability of the adjusting frame when the supporting mechanism supports the adjusting frame.

Optionally, the moving assembly includes a moving motor, a rotating gear and a moving rack, the moving motor is arranged on the frame, and the rotating gear is connected to the moving motor in a key manner; the movable rack is arranged on the reinforcing rod and meshed with the rotating gear.

Through adopting above-mentioned technical scheme, the output shaft of mobile motor drives the rotation gear and rotates, rotates the gear and drives the removal rack and remove, and the removal rack will drive the stiffener motion.

Optionally, a limiting mechanism is arranged on the rack, the limiting mechanism comprises a first limiting block, a second limiting block, an adjusting block, a dovetail block, a rotating shaft and a torsion spring, a dovetail groove is formed in the rack, the dovetail block is arranged on the adjusting block and slides with the dovetail groove, the first limiting block is arranged on the adjusting block, the rotating shaft is rotatably arranged on the first limiting block, the second limiting block is arranged on the rotating shaft, and one end of the second limiting block far away from the rotating shaft is abutted against the first limiting block; the torsion spring is sleeved on the rotating shaft and connected with the first limiting block and the second limiting block.

By adopting the technical scheme, when the film passes through the upper traction roller and the lower traction roller, the film possibly generates wrinkles, and when the film is out of the lines of wrinkles, the upper traction roller and the lower traction roller cannot well abut against the film and move the film; after the film passes through the upper traction roller and the lower traction roller, the film is firstly leveled, then the adjusting block is moved towards the direction close to the film, the second limiting block is pressed, and the torsion spring is elastically deformed; then the film is abutted against the first limiting block, then the second limiting block is loosened, the torsion spring recovers elastic deformation, and under the action of spring force, the second limiting block is abutted against one side of the film, which is far away from the first limiting block, so that the film is limited; therefore, the phenomenon that the upper traction roller is abutted against the film and has the wrinkled film is reduced before the upper traction roller is abutted against the film.

Optionally, the adjusting block is provided with a positioning mechanism, the positioning mechanism comprises a positioning block and an adjusting component, the adjusting block is provided with a groove, the positioning block is slidably arranged in the groove, and the positioning block abuts against the rack; the adjusting component is arranged on the adjusting block and connected with the positioning block.

By adopting the technical scheme, after the position of the adjusting block is determined, the adjusting component drives the positioning block to move, so that the positioning block abuts against the frame, and the position of the adjusting block is fixed; the positioning mechanism thus provided can enhance the limiting function of the limiting mechanism.

Optionally, the adjusting component comprises an adjusting screw and a rotating block, a threaded hole communicated with the groove is formed in the adjusting block, one end of the adjusting screw is rotationally connected with the positioning block, the other end of the adjusting screw penetrates through the threaded hole, and the adjusting screw is in threaded connection with the threaded hole; the rotating block is arranged at one end of the adjusting screw rod penetrating through the threaded hole.

Through adopting above-mentioned technical scheme, rotatory piece drives adjusting screw and rotates, and pivoted adjusting screw can take place the motion relative adjusting block, and adjusting screw will drive the locating piece and remove, makes the locating piece remove towards the direction that is close to the frame.

Optionally, the automatic adjusting component comprises a sliding block and a spring, a sliding groove is formed in the rack, the sliding block is slidably arranged in the sliding groove, and the adjusting frame is arranged on the sliding block; the spring is connected with the sliding block and the side wall of the sliding groove.

By adopting the technical scheme, when the adjusting frame moves in the direction away from the lower traction roller, the sliding block can slide in the sliding groove, and the spring can be stretched; when the first supporting block and the second supporting block are separated, the movement trend of the adjusting frame in the direction away from the lower traction roller can be reduced under the action of spring force, so that the upper traction roller can better abut against the film.

Optionally, the driving assembly includes a driving motor, a driving gear and a driven gear, the driving motor is disposed on the frame, and the driving gear is disposed on the driving motor; the driven gear is arranged on the lower traction roller and meshed with the driving gear.

By adopting the technical scheme, the output shaft of the driving motor drives the driving gear to rotate, and the driven gear meshed with the driving gear drives the lower traction roller to rotate.

Optionally, a rotating roller is rotatably arranged on the frame, and the axis of the rotating roller and the axis of the lower traction roller are positioned on the same horizontal plane.

Through adopting above-mentioned technical scheme, the live-rollers that set up can support the film, make the film convey better in the frame.

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

1. the supporting mechanism can reduce manual operation, so that the efficiency is improved;

2. the reinforcing mechanism that sets up can improve supporting mechanism when supporting the adjustment frame, and the stability of adjustment frame.

Drawings

FIG. 1 is a schematic view of a film-making drawing apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a connection assembly according to an embodiment of the present application;

FIG. 3 is an enlarged view of FIG. 2A;

fig. 4 is a schematic structural diagram of a positioning mechanism in an embodiment of the present application.

Reference numerals: 11. a frame; 111. a dovetail groove; 112. a chute; 113. a slip hole; 12. a lower traction roller; 13. an upper traction roller; 14. an adjusting frame; 15. a drive assembly; 151. a driving motor; 152. a drive gear; 153. a driven gear; 16. an automatic adjustment assembly; 161. a slide block; 162. a spring; 2. a support mechanism; 21. a first support block; 22. a second support block; 23. a lifting member; 24. a connection assembly; 241. a connecting bolt; 242. a coupling nut; 3. a reinforcement mechanism; 31. a connecting block; 32. a reinforcing rod; 33. a moving assembly; 331. a moving motor; 332. rotating the gear; 333. moving the rack; 4. a limiting mechanism; 41. a first limiting block; 42. a second defining block; 43. adjusting the block; 431. a groove; 44. dovetail blocks; 45. a rotating shaft; 46. a torsion spring; 5. a positioning mechanism; 51. a positioning block; 52. an adjustment assembly; 521. adjusting a screw; 522. a rotating block; 6. and (5) rotating the roller.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses traction equipment for film preparation.

Referring to fig. 1 and 2, the traction apparatus for film preparation includes a frame 11, a plurality of lower traction rollers 12 rotatably connected to the frame 11, and a rotating roller 6 disposed between two adjacent lower traction rollers 12; the frame 11 is provided with a driving component 15 connected with the lower traction roller 12; a sliding hole 113 is formed in the frame 11 above the lower traction roller 12, an adjusting frame 14 is slidably connected in the sliding hole 113, and an upper traction roller 13 corresponding to the lower traction roller 12 is rotatably connected to the adjusting frame 14; the frame 11 is provided with an automatic adjusting component 16 and a supporting mechanism 2 which are connected with an adjusting frame 14; the feeding end and the discharging end of the frame 11 are both provided with limiting mechanisms 4.

The axis of the rotating roller 6 and the axis of the lower pulling roller 12 are on the same horizontal plane, and the axis of the upper pulling roller 13 and the axis of the lower pulling roller 12 corresponding to the lower pulling roller 12 are on the same vertical plane.

When the film is required to be pulled, the supporting mechanism 2 is used for driving the adjusting frame 14 to move in the sliding hole 113 in the direction away from the lower pulling roll 12, so that the distance between the lower pulling roll 12 and the upper pulling roll 13 is increased; then the film is made to pass through the space between the lower traction roller 12 and the upper traction roller 13, and the film is lapped on the rotating roller 6 and the lower traction roller 12 during the period; subsequently, the film is limited by a limiting mechanism 4; then the supporting mechanism 2 is not connected with the adjusting frame 14 any more, under the adjustment of the automatic adjusting assembly 16, the adjusting frame 14 moves in the sliding hole 113 towards the direction approaching to the lower traction roller 12, so that the upper traction roller 13 on the adjusting frame 14 is abutted against one side of the film far away from the lower traction roller 12; finally, the driving assembly 15 is started, the driving assembly 15 drives the traction roller 12 to rotate, and the film moves.

Referring to fig. 1 and 2, the supporting mechanism 2 includes a first supporting block 21 fixedly connected to the adjusting frame 14, and a first through hole is formed in the first supporting block 21; the lifting piece 23 is arranged on the frame 11, the lifting piece 23 is an air cylinder, the cylinder body of the air cylinder is fixedly connected to the frame 11, a second supporting block 22 which is in contact with the first supporting block 21 is fixedly connected to a piston rod of the air cylinder, and a second through hole is formed in the second supporting block 22. The first supporting block 21 is provided with the coupling assembling 24, and the coupling assembling 24 includes connecting bolt 241, and one side that the nut was kept away from to connecting bolt 241 passes first through-hole on the first supporting block 21 and the second through-hole on the second supporting block 22, and threaded connection has coupling nut 242 on the connecting bolt 241 that passes the second through-hole, and the coupling nut 242 supports tightly one side that the second supporting block 22 kept away from first supporting block 21, and the nut of connecting bolt 241 contradicts one side that the second supporting block 22 was kept away from to first supporting block 21.

Firstly, starting the air cylinder, enabling the second supporting block 22 positioned on the piston rod of the air cylinder to move towards the direction approaching to the first supporting block 21, and enabling the second supporting block 22 to abut against the first supporting block 21; then, one end side of the connecting bolt 241, which is far away from the nut, passes through the first through hole in the first support block 21 and the second through hole in the second support block 22, then the connecting nut 242 is in threaded connection with the connecting bolt 241 which passes through the second through hole, the connecting nut 242 abuts against one side of the second support block 22, which is far away from the first support block 21, and the nut of the connecting bolt 241 abuts against one side of the first support block 21, which is far away from the second support block 22; then the cylinder is started again, the piston rod of the cylinder continuously drives the second supporting block 22 to move in the direction away from the lower traction roller 12, and the second supporting block 22 drives the first supporting block 21 to move in the direction away from the lower traction roller 12, so that the distance between the upper traction roller 13 and the lower traction roller 12 is increased.

Referring to fig. 1, 2 and 3, a reinforcement mechanism 3 connected with an adjusting frame 14 is arranged on a frame 11, the reinforcement mechanism 3 comprises a connecting block 31 fixedly connected with the adjusting frame 14, and a reinforcement groove is formed in the connecting block 31; the frame 11 is provided with a moving groove, a reinforcing rod 32 is slidably connected in the moving groove, and the reinforcing rod 32 is clamped with the reinforcing groove. The frame 11 is provided with a moving assembly 33, the moving assembly 33 comprises a moving motor 331 fixedly connected to the frame 11, and a rotating gear 332 is connected to an output shaft of the moving motor 331 in a key manner; the reinforcing bar 32 is integrally provided with a moving rack 333 engaged with the rotation gear 332.

After the lifted position of the adjusting block 43 is fixed, the moving motor 331 is started, the output shaft of the moving motor 331 drives the rotating gear 332 to rotate, the rotating gear 332 drives the moving rack 333 to move, and the moving rack 333 drives the reinforcing rod 32 to move towards the direction close to the connecting block 31, and the reinforcing rod 32 is clamped with the reinforcing groove on the connecting block 31.

Referring to fig. 1, 2 and 3, a sliding slot 112 is formed on a side wall of the sliding hole 113, and the automatic adjusting assembly 16 includes a sliding block 161 slidably connected in the sliding slot 112, and the sliding block 161 is fixedly connected with the adjusting frame 14; the slide block 161 is fixedly connected with a spring 162, and one end of the spring 162 away from the slide block 161 is connected with the side wall of the chute 112 close to the lower traction roller 12.

When the adjusting frame 14 moves away from the lower traction roller 12, the sliding block 161 slides in the sliding groove 112, and the spring 162 is stretched; when the first supporting block 21 and the second supporting block 22 are separated, the movement trend of the adjusting frame 14 towards the direction away from the lower traction roller 12 can be reduced under the action of the elastic force of the spring 162, so that the upper traction roller 13 can better abut against the film.

Referring to fig. 1 and 2, the driving assembly 15 includes a driving motor 151 fixedly connected to the frame 11, and a driving gear 152 is connected to an output shaft of the driving motor 151 by a key; the lower traction roller 12 is keyed to a driven gear 153 that meshes with the driving gear 152.

The driving motor 151 is started, the driving gear 152 is driven to rotate by the output shaft of the driving motor 151, the driven gear 153 is driven to rotate by the driving gear 152, and the lower traction roller 12 is driven to rotate by the driven gear 153.

Referring to fig. 1 and 4, a dovetail groove 111 is formed in a feeding end and a discharging end of a frame 11, limiting mechanisms 4 are arranged at two ends of the dovetail groove 111, the limiting mechanisms 4 comprise dovetail blocks 44 which are connected in the dovetail groove 111 in a sliding mode, adjusting blocks 43 are fixedly connected to the dovetail blocks 44, and the adjusting blocks 43 are abutted against the frame 11; one end of the adjusting block 43 far away from the dovetail block 44 is fixedly connected with a first limiting block 41, one side of the first limiting block 41 far away from the adjusting block 43 is rotatably connected with a rotating shaft 45, the rotating shaft 45 is rotatably connected with a second limiting block 42, and one end of the second limiting block 42 far away from the rotating shaft 45 abuts against the first limiting block 41; the rotating shaft 45 is sleeved with a torsion spring 46, one end of the torsion spring 46 is connected with the first limiting block 41, and the other end of the torsion spring 46 is connected with the second limiting block 42.

When the reinforcing rod 32 is clamped with the reinforcing groove on the connecting block 31 and the film passes through the space between the lower traction roller 12 and the upper traction roller 13, and the film is put on the rotating roller 6 and the lower traction roller 12, firstly, the film is leveled, then the adjusting block 43 is moved towards the direction approaching the film, and the dovetail block 44 can slide in the dovetail groove 111; then moves in a direction approaching the adjustment block 43, and then presses the second limiting block 42, the torsion spring 46 is elastically deformed; next abutting the side wall of the film against the first limiting block 41; then, the second limiting block 42 is released, the torsion spring 46 recovers the elastic deformation, and under the action of the elastic force of the torsion spring 46, the second limiting block 42 abuts against one side of the film away from the first limiting block 41, so that the first limiting block 41 and the second limiting block 42 limit the film.

Referring to fig. 1 and 4, a groove 431 is formed at an end of the adjusting block 43 adjacent to the frame 11, and a screw hole communicating with the groove 431 is formed at an end of the adjusting block 43 distant from the frame 11. The adjusting block 43 is provided with a positioning mechanism 5, the positioning mechanism 5 comprises a positioning block 51 which is slidably connected in the groove 431, and the positioning block 51 can abut against the frame 11. The adjusting block 43 is provided with an adjusting assembly 52, and the adjusting assembly 52 comprises an adjusting screw 521 rotatably connected to one end of the positioning block 51 far away from the frame 11, and one end of the adjusting screw 521 far away from the positioning block 51 passes through a threaded hole and is in threaded connection with the threaded hole; a rotation block 522 is fixedly connected to the adjustment screw 521 passing through the screw hole.

When the position of the adjusting block 43 is fixed, the rotating block 522 is rotated, and the rotating block 522 drives the adjusting screw 521 to rotate, because the adjusting screw 521 is in threaded connection with the threaded hole on the adjusting block 43, when the adjusting screw 521 rotates, the adjusting screw 521 moves relative to the adjusting block 43, the adjusting screw 521 drives the positioning block 51 to move in the groove 431 toward the direction approaching to the frame 11, and the positioning block 51 abuts against the frame 11, thereby fixing the position of the adjusting block 43.

The implementation principle of the traction equipment for film preparation in the embodiment of the application is as follows: when the film is required to be pulled, firstly starting the air cylinder to enable the second supporting block 22 to abut against the first supporting block 21, and then connecting the second supporting block 22 with the first supporting block 21; then, the air cylinder is activated to move the adjusting frame 14 away from the lower traction roller 12, so that the distance between the lower traction roller 12 and the upper traction roller 13 is increased, and the spring 162 is stretched.

When the lifted position of the adjusting frame 14 is fixed, the moving motor 331 is started, so that the reinforcing rod 32 is engaged with the reinforcing groove on the connecting block 31, and the position of the adjusting frame 14 is fixed.

The film is then passed between the lower pull roll 12 and the upper pull roll 13, during which the film rides on the rotating roll 6 and the lower pull roll 12.

Arranging the films on the rotating roller 6 and the lower traction roller 12, moving the adjusting block 43 in the direction approaching the films, and enabling the first limiting block 41 and the second limiting block 42 to limit the films after the position of the adjusting block 43 is determined; the rotating block 522 is then rotated to bring the positioning block 51 into abutment with the frame 11.

Then, the first supporting block 21 and the second supporting block 22 are separated, the adjusting frame 14 moves towards the direction approaching the lower traction roller 12 under the action of the self gravity and the spring 162, and the upper traction roller 13 on the adjusting frame 14 abuts against one side of the film far away from the lower traction roller 12.

Finally, the driving motor 151 is started to rotate the lower traction roller 12, so that the film can be conveyed on the frame 11.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The traction equipment for preparing the film comprises a frame (11), a lower traction roller (12), an upper traction roller (13), an adjusting frame (14), a driving assembly (15) and an automatic adjusting assembly (16), wherein the lower traction roller (12) is rotatably arranged on the frame (11), and the driving assembly (15) is arranged on the frame (11) and connected with the lower traction roller (12); the automatic adjusting device is characterized by further comprising a supporting mechanism (2), wherein the supporting mechanism (2) comprises a first supporting block (21), a second supporting block (22), a lifting piece (23) and a connecting component (24), and the first supporting block (21) is arranged on the adjusting frame (14); the lifting piece (23) is arranged on the frame (11), and the second supporting block (22) is arranged on the lifting piece (23); the connecting assembly (24) connects the first support block (21) and the second support block (22).

2. The traction device for preparing a film according to claim 1, wherein the connecting assembly (24) comprises a connecting bolt (241) and a connecting nut (242), a first through hole is formed in the first supporting block (21), a second through hole is formed in the second supporting block (22), one end, far away from the nut, of the connecting bolt (241) sequentially penetrates through the first through hole and the second through hole, and the connecting nut (242) is in threaded connection with the connecting bolt (241) penetrating through the second through hole; the nut of the connecting bolt (241) is abutted against the first supporting block (21), and the connecting nut (242) is abutted against the second supporting block (22).

3. The traction device for film preparation according to claim 1, wherein a reinforcement mechanism (3) is arranged on the frame (11), the reinforcement mechanism (3) comprises a connecting block (31), a reinforcement rod (32) and a moving assembly (33), the connecting block (31) is arranged on the adjusting frame (14), and a reinforcement groove is formed in the connecting block (31); the reinforcing rod (32) is slidably arranged on the frame (11) and is clamped with the reinforcing groove; the moving assembly (33) is arranged on the frame (11) and is connected with the reinforcing rod (32).

4. A film-forming drawing apparatus as claimed in claim 3, wherein the moving assembly (33) comprises a moving motor (331), a rotating gear (332) and a moving rack (333), the moving motor (331) being provided on the frame (11), the rotating gear (332) being keyed to the moving motor (331); the movable rack (333) is provided on the reinforcing rod (32) and is engaged with the rotation gear (332).

5. The traction device for film preparation according to claim 1, wherein a limiting mechanism (4) is arranged on the frame (11), the limiting mechanism (4) comprises a first limiting block (41), a second limiting block (42), an adjusting block (43), a dovetail block (44), a rotating shaft (45) and a torsion spring (46), a dovetail groove (111) is formed in the frame (11), the dovetail block (44) is arranged on the adjusting block (43) and is slidably arranged with the dovetail groove (111), the first limiting block (41) is arranged on the adjusting block (43), the rotating shaft (45) is rotatably arranged on the first limiting block (41), the second limiting block (42) is arranged on the rotating shaft (45), and one end, far away from the rotating shaft (45), of the second limiting block (42) abuts against the first limiting block (41); the torsion spring (46) is sleeved on the rotating shaft (45), and the torsion spring (46) is connected with the first limiting block (41) and the second limiting block (42).

6. The traction device for film preparation according to claim 5, wherein a positioning mechanism (5) is arranged on the adjusting block (43), the positioning mechanism (5) comprises a positioning block (51) and an adjusting component (52), a groove (431) is formed in the adjusting block (43), the positioning block (51) is slidably arranged in the groove (431), and the positioning block (51) abuts against the frame (11); the adjusting component (52) is arranged on the adjusting block (43) and is connected with the positioning block (51).

7. The traction device for preparing a thin film according to claim 6, wherein the adjusting assembly (52) comprises an adjusting screw (521) and a rotating block (522), the adjusting block (43) is provided with a threaded hole communicated with the groove (431), one end of the adjusting screw (521) is rotationally connected with the positioning block (51), the other end of the adjusting screw (521) passes through the threaded hole, and the adjusting screw (521) is in threaded connection with the threaded hole; the rotating block (522) is provided on one end of the adjusting screw (521) passing through the threaded hole.

8. The traction device for film preparation according to claim 1, wherein the automatic adjustment assembly (16) comprises a slide block (161) and a spring (162), a slide groove (112) is formed in the frame (11), the slide block (161) is slidingly arranged in the slide groove (112), and the adjustment frame (14) is arranged on the slide block (161); the spring (162) is connected with the sliding block (161) and the side wall of the sliding groove (112).

9. The traction apparatus for film production as claimed in claim 1, wherein the driving assembly (15) includes a driving motor (151), a driving gear (152) and a driven gear (153), the driving motor (151) is provided on the frame (11), and the driving gear (152) is provided on the driving motor (151); the driven gear (153) is provided on the lower traction roller (12) and meshes with the driving gear (152).

10. A film-forming drawing apparatus according to claim 1, wherein a rotating roller (6) is rotatably provided on the frame (11), and the axis of the rotating roller (6) and the axis of the lower drawing roller (12) are on the same horizontal plane.