CN219427456U - Pearlescent whitening BOPP film cooling and shaping device - Google Patents

Abstract

The utility model relates to the technical field of BOPP film processing, in particular to a pearlescent whitening BOPP film cooling and shaping device, which comprises a cooling roller and a frame, wherein the cooling roller is rotatably arranged at the upper end of the frame; the machine frame is provided with an extension mechanism, the extension mechanism comprises a main rotating shaft, a rotating plate, extension rollers and a second shaft seat, the rotating plate is fixedly connected to the main rotating shaft, a square first adjusting opening is formed in the upper end of the rotating plate, two optical axes are vertically arranged in the first adjusting opening, springs are sleeved on the optical axes, the upper ends of the springs are fixedly connected to the rotating plate, the lower ends of the springs are abutted against the upper end face of the second shaft seat, two ends of the extension rollers are rotationally connected to the second shaft seat, and a motor for driving the extension rollers to rotate is arranged on one side of the main rotating shaft. The utility model can effectively improve the uniformity of thickness of the BOPP film during cooling and shaping.

Description

Pearlescent whitening BOPP film cooling and shaping device

Technical Field

The utility model belongs to the technical field of BOPP film processing, and relates to a pearlescent-whitening BOPP film cooling and shaping device.

Background

BOPP film is a film made by first making a sheet or thick film from a polymer melt by an elongated head, then stretching the film in two directions (longitudinal and transverse) at the same time or in steps at a certain temperature and a set speed in a special stretching machine, and then performing proper cooling or heat treatment.

In the prior art, water cooling, air cooling and cooling roller are adopted to cool and shape the stretched film, and the BOPP film can be locally contracted when the cooling roller is adopted to cool and shape, so that the problem of uneven film thickness can be caused due to overlarge contraction.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a pearlescent-whitening BOPP film cooling and shaping device.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a pearl whitening BOPP film cooling shaping device, includes the chill roll, the mirror image sets up the frame in the chill roll both sides, the chill roll rotates and sets up in the frame upper end, the frame bilateral symmetry is equipped with flattening mechanism, flattening mechanism includes squeeze roll, first axle bed, lead screw and links firmly the square regulating frame in frame one side, squeeze roll both ends rotate and connect on first axle bed, first axle bed upper end has its lower extreme to have the slider, it has square slide opening to open on the regulating frame, the upper end of slide opening is equipped with the upper slide with last slider sliding fit, the lower extreme of slide opening is equipped with the lower slide with lower slider sliding fit, the lead screw rotates to wear to establish on regulating frame and lower slider, lead screw and lower slider screw thread fit;

be equipped with extending mechanism in the frame, extending mechanism includes main pivot, revolving board, extension roller, second axle seat, and main pivot rotates to wear to establish in the frame bottom, and the revolving board links firmly in main pivot, and it has square first regulation mouth to open to revolving board upper end, and vertical two optical axes of being provided with in the first regulation mouth, second axle seat cover establish outside the optical axis rather than sliding fit, the cover has the spring on the optical axis, and the spring upper end links firmly on the revolving board, and the spring lower extreme offsets with the second axle seat up end and leans on, extension roller both ends rotate to connect on the second axle seat, and main pivot one side is equipped with its pivoted motor of drive.

Preferably, a fan-shaped chute is arranged on the frame, roller ways are arranged at the upper end and the lower end of the chute, rollers in rolling fit with the roller ways are arranged in the chute, the chute and the main rotating shaft are concentric, and the rollers are fixedly connected with the inner side of the rotating plate through connecting rods.

Preferably, the upper ends of the rotating plates at two sides of the frame are fixedly connected through synchronous plates, and two ends of each synchronous plate are in an upward tilting arc shape.

Preferably, a second adjusting port is formed in the rotating plate below the first adjusting port, a connecting port communicated with the first adjusting port is formed in the upper end of the second adjusting port, a threaded rod is connected to the connecting port in a threaded mode, a pushing block is arranged at the upper end of the threaded rod, and a rotary table is fixed at the lower end of the threaded rod.

Preferably, a turntable is fixed at the outer end of the screw rod.

Compared with the prior art, the utility model has the following advantages:

1. the thickness uniformity of the BOPP film during cooling and shaping can be effectively improved, and local shrinkage is prevented from being too large;

2. the flattening mechanisms are arranged on the two sides of the cooling roller to prevent the BOPP film from slipping and wrinkling in the winding, cooling and shaping process;

3. by arranging the synchronous plates and the rollers, the upper end and the lower end of the rotating plate are synchronous and unified when rotating, and the stability of the extension roller in the rotating process is ensured;

4. the second shaft seat is pushed to move up and down by the threaded rod adjusting push block, so that BOPP films are inserted between the extension roller and the cooling roller in a more labor-saving way.

Drawings

FIG. 1 is a schematic diagram of the overall mechanism of the present utility model.

Fig. 2 is an enlarged schematic view of the structure of fig. 1A.

Fig. 3 is an enlarged schematic view of the structure of fig. 1B.

Fig. 4 is a schematic diagram of a cross-sectional structure of a chute of a frame.

In the figure, 1, a cooling roller; 2. a frame; 21. a chute; 22. a raceway; 23. a roller; 24. a connecting rod; 3. a flattening mechanism; 31. a squeeze roll; 32. a first shaft seat; 321. an upper slider; 322. a lower slide block; 33. a screw rod; 34. an adjusting frame; 341. a sliding port; 342. a slide bar is arranged on the upper part; 343. a slide bar; 4. an extension mechanism; 41. a main rotating shaft; 42. a rotating plate; 421. a first adjustment port; 422. an optical axis; 423. a spring; 424. a second adjustment port; 425. a connection port; 426. a threaded rod; 427. a pushing block; 43. an extension roller; 44. a second axle seat; 5. a motor; 6. a synchronizing plate; 7. a turntable.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the pearlescent-whitening BOPP film cooling and shaping device comprises a cooling roller 1 and a rack 2 arranged at two sides of the cooling roller 1 in a mirror image manner, wherein the cooling roller 1 is rotatably arranged at the upper end of the rack 2, two sides of the rack 2 are symmetrically provided with a flattening mechanism 3, the flattening mechanism 3 comprises a squeeze roller 31, a first shaft seat 32, a lead screw 33 and a square adjusting frame 34 fixedly connected to one side of the rack 2, two ends of the squeeze roller 31 are rotatably connected to the first shaft seat 32, an upper sliding block 321 is arranged at the upper end of the first shaft seat 32, a lower sliding block 322 is arranged at the lower end of the first shaft seat 321, a square sliding opening 341 is formed in the adjusting frame 34, an upper sliding bar 342 which is in sliding fit with the upper sliding block 321 is arranged at the upper end of the sliding opening 341, a lower sliding bar 343 which is in sliding fit with the lower sliding block 322 is arranged at the lower end of the sliding opening 341, the lead screw 33 is rotatably arranged on the adjusting frame 34 and the lower sliding block 322 in a threaded fit with the lower sliding block 322;

the machine frame 2 is provided with an extension mechanism 4, the extension mechanism 4 comprises a main rotating shaft 41, a rotating plate 42, extension rollers 43 and a second shaft seat 44, the main rotating shaft 41 rotates to penetrate through the bottom of the machine frame 2, the rotating plate 42 is fixedly connected to the main rotating shaft 41, the upper end of the rotating plate 42 is provided with a square first adjusting port 421, two optical axes 422 are vertically arranged in the first adjusting port 421, the second shaft seat 44 is sleeved outside the optical axes 422 and is in sliding fit with the optical axes 422, a spring 423 is sleeved on the optical axes 422, the upper ends of the spring 423 are fixedly connected to the rotating plate 42, the lower ends of the spring 423 abut against the upper end face of the second shaft seat 44, two ends of the extension rollers 43 are rotationally connected to the second shaft seat 44, and one side of the main rotating shaft 41 is provided with a motor 5 for driving the motor to rotate.

The working principle of the utility model in specific application is as follows: the BOPP film passes through the upper end of the cooling roller 1 from the lower end of the extruding roller 31 on one side and passes out from the extruding roller 31 on the other side, the screw rod 33 is driven to rotate through the intermittent rolling action of the stepping motor and the rolling roller so as to drive the lower sliding block 322 to linearly move along the lower sliding bar 343, the extruding roller 31 is tightly attached to the BOPP film and the cooling roller 1 to rotate, the BOPP film is prevented from slipping and wrinkling, the sliding fit between the upper sliding block 321 and the upper sliding bar 342 mainly enables the first shaft seat 321 to move more stably and enables the extruding roller 31 to rotate more stably, the motor 5 drives the main rotating shaft 41 to rotate back and forth when the stepping motor stops rolling, thereby driving the rotating plate 42 to perform pendulum type swinging along a certain radian, driving the extending roller 43 to attach to the surface of the cooling roller 31 to rotate, the BOPP film is extended, and the spring 423 can extrude the second shaft seat 44 to vertically slide along the optical axis 422 in the swinging process of the extending roller 43, so that the BOPP film is always tightly attached to the cooling roller 1.

Further, the upper ends of the rotating plates 42 at the two sides of the frame 2 are fixedly connected through the synchronizing plates 6, and the two ends of the synchronizing plates 6 are in an upward tilting arc shape. The synchronous plate 6 enables the upper end and the lower end of the rotating plate 42 to synchronously rotate, ensures the rotating stability of the rotating plate 42, has the functions of isolating dust and impurities and preventing part of hot air from flowing down to contact the cold-zone roller 1 to form condensate water stains.

Further, a second adjusting port 424 is provided on the rotating plate 42 below the first adjusting port 421, a connecting port 425 for communicating with the first adjusting port 421 is provided at the upper end of the second adjusting port 424, a threaded rod 426 is connected to the connecting port 425 in a threaded manner, a pushing block 427 is provided at the upper end of the threaded rod 426, and a turntable 7 is fixed at the lower end of the threaded rod 426.

Further, a turntable 7 is fixed at the outer end of the screw 33.

Further, as shown in fig. 4, the frame 2 is provided with a fan-shaped chute 21, both the upper end and the lower end of the chute 21 are provided with roller ways 22, rollers 23 in rolling fit with the roller ways 22 are arranged in the chute 21, the chute 21 is concentric with the main rotating shaft 41, and the rollers 23 are fixedly connected with the inner side of the rotating plate 42 through connecting rods 24. During the swinging process of the rotating plate 42, the rollers 23 roll along the roller path 22, so that the swinging stability of the rotating plate 42 is further ensured, and meanwhile, the sliding groove 21 has a limiting effect on the rollers 23, so that the swinging amplitude of the rotating plate 42 is limited.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. The utility model provides a pearl whitening BOPP film cooling shaping device, includes chill roll (1), mirror image setting frame (2) in chill roll (1) both sides, chill roll (1) rotates setting up in frame (2) upper end, its characterized in that, frame (2) both sides symmetry is equipped with flattening mechanism (3), flattening mechanism (3) include squeeze roll (31), first axle bed (32), lead screw (33) and link firmly square regulating frame (34) in frame (2) one side, squeeze roll (31) both ends rotate connect on first axle bed (32), first axle bed (32) upper end has upper slider (321) its lower extreme has lower slider (322), it has square slide (341) to open on regulating frame (34), the upper end of slide (341) is equipped with slide (342) with upper slider (321) sliding fit, the lower extreme of slide (341) is equipped with slide (343) with lower slider (322) sliding fit, slider (33) rotate and wear to establish on regulating frame (34) and lower slider (322) and screw (33) and screw thread fit down;

be equipped with extension mechanism (4) on frame (2), extension mechanism (4) are including main pivot (41), rotating plate (42), extension roller (43), second axle seat (44), and main pivot (41) rotate and wear to establish in frame (2) bottom, and rotating plate (42) link firmly on main pivot (41), and square first regulation mouth (421) are opened to rotating plate (42) upper end, and first regulation mouth (421) are interior vertical to be provided with two optical axes (422), and second axle seat (44) cover is established outside optical axis (422) rather than sliding fit, and the cover has spring (423) on optical axis (422), and spring (423) upper end links firmly on rotating plate (42), and spring (423) lower extreme offsets with second axle seat (44) up end, extension roller (43) both ends rotate and connect on second axle seat (44), and main pivot (41) one side is equipped with motor (5) that drive its pivoted.

2. The pearlescent-whitening BOPP film cooling and shaping device according to claim 1, wherein the frame (2) is provided with a fan-shaped chute (21), the upper and lower ends of the chute (21) are respectively provided with a rollaway nest (22), a roller (23) which is in rolling fit with the rollaway nest (22) is arranged in the chute (21), the chute (21) is concentric with the main rotating shaft (41), and the roller (23) is fixedly connected with the inner side of the rotating plate (42) through a connecting rod (24).

3. The pearlescent whitening BOPP film cooling and shaping device according to claim 1, wherein the upper ends of the rotating plates (42) on two sides of the frame (2) are fixedly connected through the synchronizing plate (6), and two ends of the synchronizing plate (6) are in an upward tilting arc shape.

4. The pearlescent-whitening BOPP film cooling and shaping device according to claim 1, wherein a second adjusting port (424) is formed in the rotating plate (42) below the first adjusting port (421), a connecting port (425) for communicating the first adjusting port (421) is formed in the upper end of the second adjusting port (424), a threaded rod (426) is connected to the connecting port (425) in a threaded manner, a pushing block (427) is arranged at the upper end of the threaded rod (426), and a rotary table (7) is fixed at the lower end of the threaded rod (426).

5. The pearlescent inventive BOPP film cooling and shaping device as claimed in claim 1, wherein the outer end of the screw (33) is fixed with a turntable (7).