CN210415512U

CN210415512U - Tilting frame driving mechanism

Info

Publication number: CN210415512U
Application number: CN201921004487.5U
Authority: CN
Inventors: 曹玉; 毛潞
Original assignee: Chongqing Ruiting Plastic Co Ltd
Current assignee: Chongqing Ruiting Plastic Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-28
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a plastic film produces technical field, specifically disclose tilt frame actuating mechanism, include the frame and be used for driving tilt frame pivoted drive assembly, still include the humidification subassembly, the humidification subassembly includes rotor plate and a plurality of humidification section of thick bamboo, drive assembly drives the rotor plate and rotates, a plurality of humidification section of thick bamboo enclose the membrane bubble and close, humidification section of thick bamboo fixed connection is in the frame, be equipped with connecting rod and piston in the humidification section of thick bamboo, piston sliding connection is in the humidification section of thick bamboo, connecting rod one end and piston fixed connection, the humidification section of thick bamboo is worn out to the connecting rod other end, the piston divide into the appearance chamber one that does not take the connecting rod with the humidification section of thick bamboo and holds the chamber two of taking the connecting rod, hold the intracavity one and be equipped with water. This scheme has only driven the rotation of sloping frame and the problem of function singleness among the prior art through set up the humidification subassembly on drive assembly.

Description

Tilting frame driving mechanism

Technical Field

The utility model relates to a plastic film produces technical field, specifically is tilting frame actuating mechanism.

Background

In the process of blowing and producing the film by adopting a flat extrusion up-blowing method, a traction roller pulls a film bubble to pass through a herringbone plate from bottom to top, the outer wall of the film bubble is close to the herringbone plate to slide upwards, the film bubble is folded under the clamping of the herringbone plate, and then the film bubble is rolled into a planar film under the action of the traction roller. The existing herringbone plate is mostly composed of two inclined frames, the upper edges are close to each other to form a gap, the lower edges are away from each other, and the cross section of the herringbone plate is in a herringbone shape.

Among the prior art, in order to make the even and level and smooth of thickness of membrane bubble, generally adopt actuating mechanism to drive the rotation in turn of sloping frame, this kind of mode makes membrane bubble thickness more even, the surface is more level and more smooth, but actuating mechanism is only as driving the rotatory mechanism of sloping frame, and the function is single.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide the sloping frame actuating mechanism to actuating mechanism only drives the rotatory and problem of function singleness of sloping frame among the solution prior art.

In order to achieve the above object, the basic scheme of the present invention is as follows:

the tilting frame driving mechanism comprises a frame and a driving assembly used for driving the tilting frame to rotate, and further comprises a humidifying assembly, the humidifying assembly comprises a rotating plate and a plurality of humidifying cylinders, the driving assembly drives the rotating plate to rotate, the humidifying cylinders surround and close membrane bubbles, the humidifying cylinders are fixedly connected to the frame, connecting rods and pistons are arranged in the humidifying cylinders, the pistons are slidably connected to the humidifying cylinders, one ends of the connecting rods are fixedly connected with the pistons, the other ends of the connecting rods penetrate out of the humidifying cylinders, the pistons divide the humidifying cylinders into a first accommodating cavity without the connecting rods and a second accommodating cavity with the connecting rods, water is filled in the first accommodating cavity, pinholes are formed in the humidifying cylinders located at the bottoms of the first accommodating cavities, and the rotating.

Compare the beneficial effect in prior art:

drive assembly drives the rotation in turn of tilting frame for bubble thickness is even and surfacing, drive assembly drives the rotor plate rotation of humidification subassembly simultaneously, the rotor plate rotates the in-process and drives the connecting rod and reciprocate, the connecting rod reciprocates, and then make the appearance intracavity volume continuous variation in the humidification section of thick bamboo, when the volume in appearance intracavity becomes little, appearance intracavity pressure increase, the water that holds in the intracavity one is from the pinhole blowout, spun water attaches on the film, make the humidity increase of the surface of bubble, be favorable to getting rid of bubble surface static.

Compare in the condition of prior art actuating mechanism function singleness, this scheme recycles drive assembly's mechanical energy, has practiced thrift the energy, and has realized the destaticizing treatment to the film, and the function of tilting frame actuating mechanism is abundanter relatively.

Furthermore, a limiting plate is arranged at one end of the connecting rod, which is far away from the piston, and an elastic piece is connected between the limiting plate and the humidifying cylinder; the rotary plate is provided with a bulge and can be abutted against the connecting rod.

The water spraying device has the advantages that after the connecting rod is pressed by the bulge on the rotating plate, the elastic piece is compressed to accumulate elastic potential energy, and when the connecting rod loses the pressing of the bulge, the elastic potential energy of the elastic piece is released, so that the piston and the connecting rod are restored to the state without water spraying, and the water spraying device is ready for spraying water at the next time.

Furthermore, a humidifying cylinder of the second accommodating cavity is connected with an external water supply unit, a one-way water inlet valve is connected between the humidifying cylinder and the water supply unit, and a one-way water outlet valve is arranged on the piston.

The humidifying cylinder has the beneficial effects that the water in the humidifying cylinder is supplemented through the water supply unit, the one-way water inlet valve and the one-way water outlet valve.

Further, the bottom of the first cavity is inclined downwards to the pinhole.

The water spraying device has the beneficial effects that the bottom of the first accommodating cavity is inclined, so that water in the first accommodating cavity can be sprayed out of the needle holes in time, and the probability that the water stays in the first accommodating cavity for a long time is reduced.

Further, the elastic piece is a spring; the spring has simple structure and low cost.

Further, the pinhole on each of the humidifying cylinders faces the film bubble.

The beneficial effects are that the pinhole faces the membrane bubble for water has directly been spouted on the membrane bubble, has reduced the condition emergence that water directly spouts the waste that causes the water resource elsewhere.

Furthermore, an up-and-down annular sliding groove is formed in the rotating plate, a sliding block is arranged on the connecting rod, and the sliding block is connected in the annular sliding groove in a sliding mode.

The anti-static membrane bubble spraying device has the beneficial effects that the sliding block is always connected to the up-and-down annular sliding groove, the sliding block is up-and-down fluctuated through the up-and-down annular sliding groove, the connecting rod moves up and down, the humidifying cylinder is driven to continuously spray water to the membrane bubble in the up-and-down moving process of the connecting rod, and then the static electricity removal treatment on the membrane bubble is realized.

Furthermore, a ball convenient for the sliding of the sliding block is arranged in the annular sliding chute; the ball can reduce the friction between the sliding block and the annular sliding groove, and then the service life of the sliding block matched with the annular sliding groove is prolonged.

Further, the drive assembly comprises a driver and a rotary table, the rotary table is rotatably connected to the rack, the driver drives the rotary table to rotate, the upper portion of the rotary table is fixedly connected with the inclined frame, and the lower portion of the rotary table is fixedly connected with the rotary plate.

Beneficial effect rotates the carousel through the driver, realizes the rotation of sloping frame, can also drive the humidification subassembly through the carousel simultaneously and rotate, realizes the function of getting rid of the static of membrane bubble.

Furthermore, the driver is a motor, an output shaft of the motor is fixedly connected with a driving chain wheel, the turntable is a driven chain wheel, and the driving chain wheel is connected with the turntable through chain transmission.

Has the advantages that: compared with belt transmission, the chain transmission has no elastic sliding and slipping phenomena, accurate average transmission ratio, reliable work and high transmission efficiency.

Drawings

Fig. 1 is a front view of a first embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a of the first embodiment of the present invention in fig. 1;

fig. 3 is a top view of the first embodiment of the present invention shown in fig. 1;

fig. 4 is a front sectional view of a connection relationship between a second humidifying cylinder and a rotating plate according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a rack 1, a driving component 2, a servo motor 3, a driving chain wheel 4, a driven chain wheel 5, an inclined frame 6, a humidifying component 7, a rotating plate 8, a humidifying cylinder 9, a sleeve plate 10, a connecting rod 11, a piston 12, a first accommodating cavity 13, a second accommodating cavity 14, a needle hole 15, a protrusion 16, a limiting plate 17, a spring 18, a one-way water outlet valve 19, a membrane bubble 20, an annular chute 21, a sliding block 22 and a supporting frame 23.

Example one

An embodiment substantially as described in figures 1 to 3 of the accompanying drawings:

the tilting frame driving mechanism comprises a frame 1, a humidifying assembly 7 and a driving assembly 2 for driving the tilting frame 6 to rotate.

With reference to fig. 1 and 3, the driving assembly 2 includes a servo motor 3, a driving sprocket 4 and a driven sprocket 5, the driving sprocket 4 is connected with the driven sprocket 5 through chain transmission, the driven sprocket 5 is rotatably connected to the frame 1, and an output shaft of the servo motor 3 is connected with a wheel shaft of the driving sprocket 4 through a coupling; the upper part of the driven chain wheel 5 is fixedly connected with a support frame 23 used for hanging the tilting frame 6 through a screw, and the support frame 23 is fixedly connected with the tilting frame 6 through a bolt.

With reference to fig. 1 to 3, the humidifying assembly 7 includes a rotating plate 8 and a plurality of humidifying cylinders 9 uniformly distributed along the circumference of the film bubble 20, the film bubble 20 is enclosed by the humidifying cylinders 9, a sleeve plate 10 is mounted on the frame 1 through screws, the humidifying cylinders 9 are fixed on the sleeve plate 10 through screws, and the rotating plate 8 is connected with the lower part of the driven sprocket 5 through bolts.

Be equipped with connecting rod 11 and piston 12 in the humidification section of thick bamboo 9, the vertical sliding connection of piston 12 is in humidification section of thick bamboo 9, connecting rod 11 bottom and piston 12 threaded connection, humidification section of thick bamboo 9 is worn out on the connecting rod 11 top, piston 12 divide into the appearance chamber 13 that does not take connecting rod 11 and hold the chamber two 14 of taking connecting rod 11 with humidification section of thick bamboo 9, be equipped with water in holding chamber 13, be located and offer the pinhole 15 towards membrane bubble 20 on the humidification section of thick bamboo 9 that holds chamber 13 bottom, integrated into one piece has arch 16 on the rotor plate 8, rotor plate 8 can offset with connecting rod 11 through arch 16.

The top of the connecting rod 11 is connected with a limiting plate 17 through a screw, and a spring 18 is fixedly connected between the limiting plate 17 and the top of the humidifying cylinder 9.

The humidifying cylinder 9 of the second accommodating cavity 14 is connected with an external water supply unit through a pipeline, a one-way water inlet valve is arranged on the pipeline, a one-way water outlet valve 19 is arranged on the piston 12, and water can only enter the first accommodating cavity 13 from the second accommodating cavity 14; the bottom of the first chamber 13 is inclined downwardly towards the pinhole 15.

The specific implementation process is as follows:

this embodiment one adopts the flat crowded fashioned film of blowing on, upward movement is down followed to film bubble 20, upward movement's in-process is followed to film bubble 20, start servo motor 3, servo motor 3 will drive sprocket 4 and rotate, drive sprocket 4 drives driven sprocket 5 and rotates, the positive and negative rotation in turn of manual control servo motor 3, then driven sprocket 5 also rotates positive and negative rotation in turn, the leading-edge roll of the last sloping frame 6 of driven sprocket 5 is positive and negative rotation in turn together for film bubble 20 even and surfacing of thickness.

Meanwhile, the driven sprocket 5 of the driving assembly 2 drives the rotating plate 8 of the humidifying assembly 7 to rotate forward and backward alternately, in the rotating process of the rotating plate 8, the protrusions 16 on the rotating plate 8 sequentially press the connecting rods 11 of the humidifying cylinders 9 along the rotating direction, when the connecting rods 11 are pressed to move downwards, the pressure in the first accommodating cavity 13 is increased (the springs 18 are compressed to accumulate elastic potential energy), the one-way water outlet valve 19 is closed, water is sprayed out of the pin holes 15 and sprayed to the outer surface of the film bubble 20, the humidity of the outer surface of the film bubble 20 is increased, and the static electricity on the surface of the film bubble 20 is removed.

Meanwhile, the volume of the second accommodating cavity 14 is increased, the pressure intensity is reduced, a one-way water inlet valve on the pipeline is opened, and water in the external water supply unit enters the second accommodating cavity 14 through the pipeline; when the protrusion 16 on the rotating plate 8 does not press the connecting rod 11, the elastic potential energy of the spring 18 is released, so that the connecting rod 11 drives the piston 12 to move upwards, the volume in the second cavity 14 is reduced, the pressure is increased, the one-way water outlet valve 19 is opened, water enters the first cavity 13 from the second cavity 14, the water in the first cavity 13 is supplemented in time, and long-term water supply in the forming process of the film bubble 20 is facilitated.

Example two

The second embodiment is substantially as shown in FIG. 4; the difference between the second embodiment and the first embodiment lies in the difference between the humidifying cylinder 9 and the rotating plate 8, in the second embodiment, an up-and-down annular chute 21 is installed in the rotating plate 8, a slide block 22 is integrally formed on the connecting rod 11, and the slide block 22 is slidably connected in the annular chute 21; the annular sliding groove 21 is internally provided with balls which facilitate the sliding of the sliding block 22.

In the second embodiment, the sliding block 22 is always connected to the annular sliding groove 21 which is vertically fluctuated, the sliding block 22 is vertically fluctuated through the annular sliding groove 21 which is vertically fluctuated, the connecting rod 11 is vertically moved, the humidifying cylinder 9 is continuously driven to continuously spray water to the film bubble 20 in the vertical moving process of the connecting rod 11, and then the static electricity removing treatment of the film bubble 20 is realized.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The tilting frame driving mechanism comprises a frame and a driving component used for driving the tilting frame to rotate, and is characterized in that: still include the humidification subassembly, the humidification subassembly includes rotor plate and a plurality of humidification section of thick bamboo, drive assembly drives the rotor plate and rotates, a plurality of humidification section of thick bamboo enclose the membrane bubble and close, humidification section of thick bamboo fixed connection is in the frame, be equipped with connecting rod and piston in the humidification section of thick bamboo, piston sliding connection is in the humidification section of thick bamboo, connecting rod one end and piston fixed connection, the humidification section of thick bamboo is worn out to the connecting rod other end, the piston divide into the humidification section of thick bamboo not take the appearance chamber of connecting rod and hold the chamber two of connecting rod, hold the intracavity and be equipped with water, be located and be equipped with the pinhole on the.

2. The tilt frame drive mechanism of claim 1, wherein: a limiting plate is arranged at one end of the connecting rod, which is far away from the piston, and an elastic piece is connected between the limiting plate and the humidifying cylinder; the rotary plate is provided with a bulge and can be abutted against the connecting rod.

3. The tilt frame drive mechanism of claim 2, wherein: the humidifying cylinder of the second accommodating cavity is connected with an external water supply unit, a one-way water inlet valve is connected between the humidifying cylinder and the water supply unit, and a one-way water outlet valve is arranged on the piston.

4. The tilt frame drive mechanism of claim 3, wherein: the bottom of the first cavity is inclined downwards towards the pinhole.

5. The tilt frame drive mechanism of claim 4, wherein: the elastic piece is a spring.

6. The tilt frame drive mechanism of claim 1, wherein: the needle hole on each humidifying cylinder faces the film bubble.

7. The tilt frame drive mechanism of claim 1, wherein: an up-and-down annular sliding groove is formed in the rotating plate, a sliding block is arranged on the connecting rod, and the sliding block is connected in the annular sliding groove in a sliding mode.

8. The tilt frame drive mechanism of claim 7, wherein: and a ball convenient for sliding of the sliding block is arranged in the annular sliding groove.

9. The tilt frame drive mechanism of claim 1, wherein: the drive assembly comprises a driver and a rotary table, the rotary table is rotatably connected to the frame, the driver drives the rotary table to rotate, the upper portion of the rotary table is fixedly connected with the inclined frame, and the lower portion of the rotary table is fixedly connected with the rotary plate.

10. The tilt frame drive mechanism of claim 9, wherein: the driver is a motor, an output shaft of the motor is fixedly connected with a driving chain wheel, the turntable is a driven chain wheel, and the driving chain wheel is connected with the turntable through chain transmission.