CN222610427U - Film traction device - Google Patents
Film traction device Download PDFInfo
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- CN222610427U CN222610427U CN202420145951.7U CN202420145951U CN222610427U CN 222610427 U CN222610427 U CN 222610427U CN 202420145951 U CN202420145951 U CN 202420145951U CN 222610427 U CN222610427 U CN 222610427U
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Abstract
The utility model provides a film traction device which comprises a circularly arranged base, a traction part rotatably connected to the base, a transmission mechanism arranged on the traction part and a multi-stage guide roller mechanism connected above the traction part in a transmission way through the transmission mechanism. The transmission mechanism comprises a first cylindrical gear and a second cylindrical gear, the multi-stage guide roller mechanism comprises a plurality of guide roller mechanisms which are arranged at intervals along the height direction of the connecting shaft, each guide roller mechanism corresponds to the second cylindrical gear one by one, and each guide roller mechanism is respectively in transmission with the corresponding second cylindrical gear to rotate so as to stretch the film passing through the traction part and the guide roller mechanisms. At least one guide roller mechanism is provided with a heating part, and the heating part is used for shaping the wound film. According to the utility model, the film is stretched in a reciprocating manner by rotating the guide roller mechanisms, and the heating part is heated, so that the film is heated and stretched at the same time, the input cost of production equipment can be greatly reduced, and the production efficiency of a film traction process is improved.
Description
Technical Field
The utility model relates to the technical field of film blowing equipment, in particular to a film traction device.
Background
The film blowing process is one plastic processing process, and includes heating plastic particle to melt and blowing into film, extruding polymer to form tubular film blank, blowing the tubular film with high pressure air to required thickness in high melt flow state, cooling to form film, and winding around reel after producing film.
In the prior art, stretching and shaping are needed before film rolling, the common method in the prior art is to heat the film by conveying the film into an oven, and then shaping is carried out by air cooling after the film is pulled to reach the required external dimension of the film by a traction mechanism, so that the working procedure is complicated, the number of used production equipment is large, the occupied area of the production line is large, and the production equipment cost is high.
Disclosure of utility model
In view of the above, the present utility model aims to provide a film drawing device, which is capable of simultaneously performing stretching and heating by a multi-stage guide roller, reducing the investment of oven equipment and air cooling equipment, and reducing the equipment cost.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
The film traction device comprises a circularly arranged base, a traction part rotatably connected to the base, a transmission mechanism arranged on the traction part, and a multi-stage guide roller mechanism connected above the traction part in a transmission way through the transmission mechanism;
The base is provided with a first driving part for driving the traction part to rotate;
the traction part comprises a driving roller and a driven roller for traction of the film, and a second driving part for driving the driving roller to rotate;
The transmission mechanism comprises a first cylindrical gear arranged on the traction part and a second cylindrical gear meshed with the first cylindrical gear for transmission, and a connecting shaft is longitudinally arranged on the traction part;
The plurality of second cylindrical gears are sleeved on the connecting shaft at intervals along the height direction of the connecting shaft, and the second cylindrical gears at the bottom end are meshed with the first cylindrical gears;
the multistage guide roller mechanisms comprise a plurality of guide roller mechanisms which are arranged at intervals along the height direction of the connecting shaft, each guide roller mechanism corresponds to the second cylindrical gear one by one, and each guide roller mechanism is respectively driven to rotate by the corresponding second cylindrical gear so as to stretch films which are wound around the traction part and the guide roller mechanisms;
at least one guide roller mechanism is provided with a heating part, and the heating part is used for shaping the wound film.
Further, the base comprises a fixed seat arranged in a circular ring and a rotating seat arranged at the inner side of the fixed seat, the traction part is arranged on the rotating seat,
The outer side of the fixed seat is provided with a chain, the power output end of the first driving part is provided with a chain wheel which is meshed with the chain for transmission, and the first driving part is connected to the rotating seat.
Further, the traction part further comprises a mounting frame connected to the rotating seat, the driving roller and the driven roller are rotatably connected to the mounting frame, and a third driving part for driving the driven roller to reciprocate along the width direction of the mounting frame is further arranged on the mounting frame;
the third driving portion drives the driven roller toward or away from the driven roller.
Further, the mounting frame is also provided with a mounting shaft which is vertically upwards arranged, and the first cylindrical gear is sleeved on the mounting shaft;
The connecting shaft is arranged on the mounting frame and is parallel to the mounting shaft;
the transmission mechanism further comprises a plurality of bevel gears positioned above the second cylindrical gears at the bottom end, the bevel gears are meshed with the corresponding second cylindrical gears for transmission, the bevel gears are fixedly connected to the corresponding guide roller mechanisms, and the bevel gears are sleeved on the installation shafts;
A fixing frame is arranged above the mounting shaft, and the mounting shaft is pivotally connected to the fixing frame;
the fixing frame is fixedly connected with the ground.
Further, the guide roller mechanism comprises a first guide roller mechanism and a second guide roller mechanism which are sleeved on the installation shaft and are sequentially arranged from bottom to top;
The first guide roller mechanism and the second guide roller mechanism are arranged in parallel along the axial direction of the installation shaft;
The first guide roller mechanism and the second guide roller mechanism are arranged in an angle manner along the radial projection of the installation shaft;
The first guide roller mechanism and the second guide roller mechanism are identical in structure, and bevel gears connected with the first guide roller mechanism and the second guide roller mechanism are arranged in an angle mode.
Further, the first guide roller mechanism comprises a connecting pipe fixedly connected to the corresponding bevel gear and a first guide shaft arranged on one side of the connecting pipe away from the bevel gear, mounting plates are arranged at two ends of the connecting pipe, and the first guide shaft is rotatably connected between the two mounting plates;
The heating part is connected to the connecting pipe, and the heating part is connected with the first guide shaft.
Further, the heating part adopts an electric heating fan, an inner cavity penetrating along the axial direction of the guide roller is arranged in the guide roller, an air port communicated with the inner cavity is arranged on the mounting plate,
The outlet of the electric heating fan enters the inner cavity through the air pipe and one side of the guide roller, and the other side of the inner cavity is used for exhausting.
Furthermore, a protective cover is arranged on one side of the connecting shaft, and the upper end of the connecting shaft is rotatably connected to the protective cover;
a third guide roller mechanism is arranged between the first guide roller mechanism and the second guide roller mechanism,
The third guide roller mechanism comprises a support frame connected to the protective cover, and a third guide shaft is arranged on one side, away from the connecting shaft, of the support frame;
And the third guide shaft is arranged on one side of the first guide shaft away from the connecting shaft along the projection of the horizontal direction.
Further, the support frame is sleeved on the installation shaft, and a bearing is arranged between the installation shaft and the support frame.
Further, a bearing seat sleeved on the installation shaft is arranged below the bevel gear.
Compared with the prior art, the utility model has the following advantages:
According to the film traction device, the transmission mechanism is arranged to drive the guide roller mechanisms to rotate, so that the film is stretched in a reciprocating manner, the heating part arranged on the guide roller mechanism is used for heating the film wound on the guide roller mechanism, the film is heated and stretched at the same time, the heating process of the oven and the independently arranged traction and stretching process in the prior art are reduced, the input cost of production equipment is greatly reduced, the occupied area is reduced, and the production efficiency of the film traction process is improved.
In addition, the rotating seat is arranged on the base, the traction part is arranged on the rotating seat, and the traction part rotates relatively to the film guiding mechanism in the front, so that the film is stretched while the driving roller and the driven roller squeeze the film, and the rotating traction part is combined with the guide roller mechanisms rotating respectively to achieve the purpose of stretching the film in multiple stages, so that the stretching effect of the film is further ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a first view angle of a film pulling device and a transfer roller according to an embodiment of the present utility model installed on the ground;
FIG. 2 is a schematic perspective view of a film pulling device and a transfer roller according to an embodiment of the present utility model, which are installed on the ground at a second view angle;
FIG. 3 is a schematic diagram showing a front view of a film pulling device and a transfer roller according to an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a first view of a film pulling device according to an embodiment of the present utility model;
fig. 5 is a schematic perspective view of a second view angle of the film pulling device according to an embodiment of the present utility model.
Reference numerals illustrate:
1. A base; 2, a traction part, 3, a transmission mechanism, 4, a multi-stage guide roller mechanism, 5, a heating part, 6, a mounting shaft, 7, a fixing frame, 8, a bracket, 9 and a transmission roller;
101. 102, a fixed seat, 103, a rotating seat, 104 and a chain wheel;
201. Driving roller, 202, driven roller, 203, second driving part, 204, mounting frame, 205, third driving part, 206, first transmission roller, 207, second transmission roller;
301. First cylindrical gear 302, second cylindrical gear 303, connecting shaft 304, bevel gear 305, shield 306, bearing seat;
401. A first guide roller mechanism, a second guide roller mechanism, a third guide roller mechanism and a third guide roller mechanism;
501. An air duct;
4011. 4012, the first guide shaft, 4013, the mounting plate;
4021. a second guide shaft;
4031. support frame 4032, third guide shaft.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the components may be fixedly connected, detachably connected or integrally connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or communicated with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The present embodiment relates to a film drawing device, which, as shown in fig. 1 to 2, is of an overall structure, and includes a base 1 arranged in a circular shape, a drawing portion 2 rotatably connected to the base 1, a transmission mechanism 3 provided on the drawing portion 2, and a multistage guide roller mechanism 4 connected above the drawing portion 2 by transmission of the transmission mechanism 3.
The base 1 is provided with a first driving part 101 for driving the traction part 2 to rotate. The drawing section 2 includes a driving roller 201 and a driven roller 202 for drawing the film, and a second driving section 203 for driving the driving roller 201 to rotate. The transmission mechanism 3 comprises a first cylindrical gear 301 arranged on the traction part 2 and a second cylindrical gear 302 meshed with the first cylindrical gear 301 for transmission, and a connecting shaft 303 is longitudinally arranged on the traction part 2. Along the height direction of the connecting shaft 303, a plurality of second cylindrical gears 302 are sleeved on the connecting shaft 303 at intervals, and the second cylindrical gears 302 at the bottom end are meshed with the first cylindrical gears 301.
Next, the multi-stage guide roller mechanism 4 includes a plurality of guide roller mechanisms disposed at intervals in the height direction of the connecting shaft 303, each guide roller mechanism being in one-to-one correspondence with the second cylindrical gear 302, and each guide roller mechanism being driven to rotate in correspondence with the second cylindrical gear 302, respectively, so as to stretch the film wound around the drawing portion 2 and the plurality of guide roller mechanisms. At least one guide roller mechanism is provided with a heating part 5, and the heating part 5 is used for shaping the wound film.
The film traction device of this embodiment drives a plurality of deflector roll mechanisms respectively to rotate through setting up drive mechanism 3 to realize reciprocating stretching to the film, and heat the film of coiling on deflector roll mechanism through the heating portion 5 that sets up on deflector roll mechanism, make the film by heating and tensile simultaneously, reduce the oven heating process among the prior art and the traction stretching process that sets up alone, not only can very big reduction production facility's input cost, reduction area still improves the production efficiency of film traction process.
Based on the above overall description, as shown in fig. 1 to 3, an exemplary structure of the film pulling device of the present embodiment is disposed after the film blowing process and the film guiding process, and the film pulling device is located above the film blowing mechanism and the film guiding mechanism, and is used for receiving the film conveyed upwards, heating and stretching the film, and conveying the film to the winding mechanism after shaping. As an exemplary structure of the present embodiment, after the film is stretched while being heated in the drawing section 2 and the multistage guide roller mechanism 4, normal-temperature cooling setting is performed by transferring the film reaching the dimensional requirement from top to bottom to the winding mechanism.
As a preferred embodiment, as shown in fig. 1 and 2, the base 1 of the present embodiment includes a fixed seat 102 disposed in a circular ring, and a rotating seat 103 disposed on the inner side of the fixed seat 102, the traction portion 2 is disposed on the rotating seat 103, a chain is disposed on the outer side of the fixed seat 102, a sprocket 104 engaged with the chain is disposed on the power output end of the first driving portion 101, and the first driving portion 101 is connected to the rotating seat 103. Preferably, the first driving part 101 employs a servo motor having a decelerator.
As also shown in fig. 1 to 3, the base 1 of the present embodiment is provided on the ground surface having a circular hole through which the film transferred from the film guide mechanism passes into the traction portion 2. The fixed seat 102 protrudes out of the ground, is arranged at the circular hole and is concentric with the circular hole, the rotating seat 103 is of a circular ring structure arranged at the inner side of the fixed seat 102, and the first driving part 101 is fixedly bolted with the rotating seat 103 through a motor plate.
In this embodiment, by providing the rotating base 103 that rotates relatively on the base 1, and the traction portion 2 is provided on the rotating base 103, the traction portion 2 rotates relatively with respect to the film guiding mechanism in the front, so that the stretching effect is achieved while the driving roller 201 and the driven roller 202 squeeze the film, and the rotating traction portion 2 combines with the respective rotating guide roller mechanisms to achieve the purpose of stretching the film in multiple stages, so that the stretching effect of the film is further ensured.
The second driving unit 203 is a servo motor connected to the drive roller 201, and the rotation speed thereof can be adjusted adaptively according to the traction speed of the traction unit 2. As a specific implementation of this embodiment, the driving roller 201 is made of metal, and the outer periphery of the driven roller 202 is made of rubber, so as to increase traction friction.
In order to facilitate the adjustment of the film position of the film guiding mechanism transmitted to the traction part 2, as shown in fig. 4 and 5, the traction part 2 further comprises a mounting frame 204 connected to the rotating base 103, the driving roller 201 and the driven roller 202 are rotatably connected to the mounting frame 204, and a third driving part 205 for driving the driven roller 202 to reciprocate along the width direction of the mounting frame 204 is further provided on the mounting frame 204. In this embodiment, the third driving portion 205 employs a telescopic cylinder, and the third driving portion 205 drives the driven roller 202 toward or away from the driven roller 202. In addition, the gap between the driven roller 202 and the driving roller 201 can be adjusted, so that the film manufacturing device can be suitable for the preparation of films with different thicknesses.
Further, as shown in fig. 1 to 3, a fixing frame 7 is provided above the mounting shaft 6, the mounting shaft 6 is pivotally connected to the fixing frame 7, and the fixing frame 7 is fixedly connected to the ground. The fixing frame 7 is composed of two upright posts fixed on the ground and a transverse post arranged between the two upright posts, wherein the transverse post is connected to the upper end of the mounting shaft 6.
As shown in fig. 4 and 5, the mounting frame 204 is further provided with a mounting shaft 6 vertically arranged upwards, and the first cylindrical gear 301 is sleeved on the mounting shaft 6. The connecting shaft 303 is provided on the mounting frame 204 and is disposed parallel to the mounting shaft 6. The transmission mechanism 3 further comprises a plurality of bevel gears 304 positioned above the second cylindrical gears 302 at the bottom ends, the bevel gears 304 are meshed with the corresponding second cylindrical gears 302 for transmission, and the bevel gears 304 are fixedly connected to the corresponding guide roller mechanisms. Through set up bevel gear 304 on guide roller mechanism to guide roller mechanism's rotation, this structure sets up simply, easily implements, and gear drive can guarantee great transmission moment of torsion and better stability.
Further, as shown in fig. 1 to 5, the guide roller mechanism includes a first guide roller mechanism 401 and a second guide roller mechanism 402 which are provided in this order from bottom to top and are fitted over the installation shaft 6. The first guide roller mechanism 401 and the second guide roller mechanism 402 are disposed in parallel along the axial direction of the mounting shaft 6. The first guide roller mechanism 401 and the second guide roller mechanism 402 are disposed at an angle in radial projection of the mounting shaft 6. The first guide roller mechanism 401 is identical in structure to the second guide roller mechanism 402, and the bevel gear 304 connected to the first guide roller mechanism 401 and the second guide roller mechanism 402 is disposed at an angle.
Further, as shown in fig. 4 and 5, the first guide roller mechanism 401 includes a connecting pipe 4011 fixedly connected to the bevel gear 304 corresponding thereto, and a first guide shaft 4012 provided on a side of the connecting pipe 4011 away from the bevel gear 304, mounting plates 4013 are provided at both ends of the connecting pipe 4011, and the first guide shaft 4012 is rotatably connected between the two mounting plates 4013. The heating portion 5 is connected to the connection pipe 4011, and the heating portion 5 is connected to the first guide shaft 4012. The first guide roller mechanism 401 and the second guide roller mechanism 402 of the embodiment are identical in structure, and are not described in detail herein.
Preferably, the heating part 5 adopts an electric heating fan, an inner cavity penetrating along the axial direction of the guide roller is arranged in the guide roller, and an air port communicated with the inner cavity is arranged on the mounting plate 4013. The outlet of the electric heating fan enters the inner cavity through the air pipe 501 and one side of the guide roller, and the other side of the inner cavity is used for exhausting.
As shown in fig. 4 and 5, a shield 305 is provided on one side of the connection shaft 303, and the upper end of the connection shaft 303 is rotatably connected to the shield 305. A third guide roller mechanism 403 is further arranged between the first guide roller mechanism 401 and the second guide roller mechanism 402, the third guide roller mechanism 403 comprises a supporting frame 4031 connected to the shield 305, and a third guide shaft 4032 is arranged on one side of the supporting frame 4031 away from the connecting shaft 303. The third guide shaft 4032 is provided on a side of the first guide shaft 4012 away from the connecting shaft 303 in the horizontal projection.
In order to facilitate film winding, a support 8 is provided on the ground, which is adapted to the height of the second guide roller mechanism 402, and a transfer roller 9 for transferring the film is provided on the support 8, and the film is transferred to the winding mechanism downward by being transferred by the transfer roller 9. A first guide roller 206 corresponding to the height of the first guide shaft 4012 and a second guide roller 207 corresponding to the height of the driving roller 201 are provided on the side of the mounting frame 204 close to the transfer roller 9, and the first guide roller 206 is provided above the second guide roller 207.
In this embodiment, by providing two first guide roller mechanisms 401 and second guide roller mechanisms 402 arranged at intervals and a third guide roller mechanism 403 arranged between the first guide roller mechanism 401 and the second guide roller mechanism 402, the film can be extruded from between the main moving roller 201 and the driven roller 202, and wound back and forth by the first guide roller mechanism 401, the third guide roller mechanism 403 and the second guide roller mechanism 402, and the film is stretched by rotating with the guide roller mechanisms when the guide roller mechanisms are wound.
In order to ensure the smoothness of the connection between the mounting shaft 6 and the supporting frame 4031, as shown in fig. 4 and 5, the supporting frame 4031 is sleeved on the mounting shaft 6, and a bearing is arranged between the mounting shaft 6 and the supporting frame 4031. In this embodiment, a thrust ball bearing is disposed at a position on the mounting shaft 6 corresponding to the support frame 4031, a bearing plate adapted to an outer ring of the thrust ball bearing is disposed on the support frame 4031, and when the support frame 4031 rotates along with the shield 305, the support frame 4031 rotates smoothly, and the support frame 4031 is ensured to be stably maintained on the mounting shaft 6, so that the film on the third guide shaft 4032 is ensured to stretch smoothly without clamping stagnation.
As shown in fig. 4, a bearing block 306 is provided under the bevel gear 304 to which the first guide roller mechanism 401 and the second guide roller mechanism 402 are connected, and is fitted over the mounting shaft 6. By arranging the bearing seat 306, smooth rotation of the bevel gear 304 and the installation shaft 6 is ensured, and inclination clamping stagnation caused by radial force when the bevel gear 304 is sleeved on the installation shaft 6 is avoided.
The working procedure of the film pulling device of this embodiment is as follows:
As described above, when the first driving unit 101 is started, the mounting frame 204 rotates with the rotating base 103, the film extruded from the driving roller 201 and the driven roller 202 is rotationally stretched, the film is wound around the first guide shaft 4012 from the second guide roller 207 fixed to one side of the mounting frame 204, then wound around the third guide shaft 4032 from the first guide shaft 4012, the film is wound around the second guide shaft 4021 provided in the second guide roller mechanism 402 from the third guide shaft 4032, and finally transferred to the winding mechanism by conduction of the transfer roller 9.
At the same time of film transmission, the traction part 2 and the multi-stage guide roller mechanism 4 are meshed with the second cylindrical gear 302 through the first cylindrical gear 301, wherein the installation shaft 6 is the rotation center of the traction part 2 and the multi-stage guide roller mechanism 4, namely, through the meshing of the first cylindrical gear 301 and the second cylindrical gear 302, the installation frame 204 rotates relative to the installation shaft 6, so that each second cylindrical gear 302 on the connection shaft 303 is driven to rotate, and then through the meshing of the bevel gears 304 on the first guide roller mechanism 401 and the second guide roller mechanism 402 and the second cylindrical gear 302, the first guide shaft 4012 and the second guide shaft 4021 are driven to rotate reciprocally, the film stretching effect is realized, the angles of the first guide shaft 4012 and the second guide shaft 4021 are adjusted through the angle setting between the two bevel gears 304, and the relative angles are adjusted according to the requirements of different film thicknesses, so that the stretching purpose is achieved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A film traction device, characterized in that:
Comprises a base (1) which is circularly arranged, a traction part (2) which is rotationally connected with the base (1), a transmission mechanism (3) which is arranged on the traction part (2), and a multi-stage guide roller mechanism (4) which is connected above the traction part (2) in a transmission way through the transmission mechanism (3);
The base (1) is provided with a first driving part (101) for driving the traction part (2) to rotate;
The traction part (2) comprises a driving roller (201) and a driven roller (202) for drawing the film, and a second driving part (203) for driving the driving roller (201) to rotate;
The transmission mechanism (3) comprises a first cylindrical gear (301) arranged on the traction part (2) and a second cylindrical gear (302) meshed with the first cylindrical gear (301) for transmission, and a connecting shaft (303) is longitudinally arranged on the traction part (2);
A plurality of second cylindrical gears (302) are sleeved on the connecting shaft (303) at intervals along the height direction of the connecting shaft (303), and the second cylindrical gears (302) at the bottom end are meshed with the first cylindrical gears (301);
The multistage guide roller mechanism (4) comprises a plurality of guide roller mechanisms which are arranged at intervals along the height direction of the connecting shaft (303), each guide roller mechanism corresponds to the second cylindrical gear (302) one by one, and each guide roller mechanism rotates by driving the corresponding second cylindrical gear (302) so as to stretch a film which passes through the traction part (2) and the guide roller mechanisms;
At least one guide roller mechanism is provided with a heating part (5), and the heating part (5) is used for shaping the wound film.
2. The film pulling apparatus of claim 1, wherein:
the base (1) comprises a fixed seat (102) which is arranged in a circular ring shape and a rotating seat (103) which is arranged on the inner side of the fixed seat (102), the traction part (2) is arranged on the rotating seat (103),
The outer side of the fixed seat (102) is provided with a chain, the power output end of the first driving part (101) is provided with a chain wheel (104) meshed with the chain for transmission, and the first driving part (101) is connected to the rotating seat (103).
3. The film pulling device of claim 2, wherein:
The traction part (2) further comprises a mounting frame (204) connected to the rotating seat (103), the driving roller (201) and the driven roller (202) are rotatably connected to the mounting frame (204), and the mounting frame (204) is further provided with a third driving part (205) for driving the driven roller (202) to reciprocate along the width direction of the mounting frame (204);
the third driving part (205) drives the driven roller (202) to approach or separate from the driven roller (202).
4. A film pulling device as defined in claim 3, wherein:
the mounting frame (204) is also provided with a mounting shaft (6) which is vertically upwards arranged, and the first cylindrical gear (301) is sleeved on the mounting shaft (6);
The connecting shaft (303) is arranged on the mounting frame (204) and is parallel to the mounting shaft (6);
The transmission mechanism (3) further comprises a plurality of bevel gears (304) positioned above the second cylindrical gears (302) at the bottom end, the bevel gears (304) are meshed with the corresponding second cylindrical gears (302) for transmission, and the bevel gears (304) are fixedly connected to the corresponding guide roller mechanisms;
A fixing frame (7) is arranged above the mounting shaft (6), and the mounting shaft (6) is pivotally connected to the fixing frame (7);
the fixing frame (7) is fixedly connected with the ground.
5. The film pulling apparatus of claim 4, wherein:
The guide roller mechanism comprises a first guide roller mechanism (401) and a second guide roller mechanism (402) which are sleeved on the installation shaft (6) in sequence from bottom to top;
The first guide roller mechanism (401) and the second guide roller mechanism (402) are arranged in parallel along the axial direction of the mounting shaft (6);
-said first guide roller means (401) and said second guide roller means (402) are angularly disposed along a radial projection of said mounting shaft (6);
The first guide roller mechanism (401) has the same structure as the second guide roller mechanism (402), and is arranged at an angle with a bevel gear (304) connected with the first guide roller mechanism (401) and the second guide roller mechanism (402).
6. The film pulling apparatus of claim 5, wherein:
The first guide roller mechanism (401) comprises a connecting pipe (4011) fixedly connected to the corresponding bevel gear (304) and a first guide shaft (4012) arranged on one side of the connecting pipe (4011) far away from the bevel gear (304), mounting plates (4013) are arranged at two ends of the connecting pipe (4011), and the first guide shaft (4012) is rotatably connected between the two mounting plates (4013);
The heating unit (5) is connected to the connection pipe (4011), and the heating unit (5) is connected to the first guide shaft (4012).
7. The film pulling apparatus of claim 6, wherein:
The heating part (5) adopts an electric heating fan, an inner cavity penetrating along the axial direction of the guide roller is arranged in the guide roller, an air port communicated with the inner cavity is arranged on the mounting plate (4013),
The outlet of the electric heating fan enters the inner cavity through an air pipe (501) and one side of the guide roller, and the other side of the inner cavity is used for exhausting.
8. The film pulling apparatus of claim 6, wherein:
A shield (305) is arranged on one side of the connecting shaft (303), and the upper end of the connecting shaft (303) is rotatably connected to the shield (305);
A third guide roller mechanism (403) is arranged between the first guide roller mechanism (401) and the second guide roller mechanism (402),
The third guide roller mechanism (403) comprises a supporting frame (4031) connected to the shield (305), and a third guide shaft (4032) is arranged on one side of the supporting frame (4031) away from the connecting shaft (303);
and the third guide shaft (4032) is arranged on one side of the first guide shaft (4012) away from the connecting shaft (303) along the projection of the horizontal direction.
9. The film pulling apparatus of claim 8, wherein:
The support frame (4031) is sleeved on the installation shaft (6), and a bearing is arranged between the installation shaft (6) and the support frame (4031).
10. The film pulling apparatus of claim 4, wherein:
A bearing seat (306) sleeved on the mounting shaft (6) is arranged below the bevel gear (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420145951.7U CN222610427U (en) | 2024-01-21 | 2024-01-21 | Film traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420145951.7U CN222610427U (en) | 2024-01-21 | 2024-01-21 | Film traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222610427U true CN222610427U (en) | 2025-03-14 |
Family
ID=94883987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420145951.7U Active CN222610427U (en) | 2024-01-21 | 2024-01-21 | Film traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222610427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120504197A (en) * | 2025-07-17 | 2025-08-19 | 浙江超信机械科技有限公司 | Upper rotary traction mechanism of film blowing machine |
-
2024
- 2024-01-21 CN CN202420145951.7U patent/CN222610427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120504197A (en) * | 2025-07-17 | 2025-08-19 | 浙江超信机械科技有限公司 | Upper rotary traction mechanism of film blowing machine |
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