CN212795615U

CN212795615U - Casting machine is used in CPP film production

Info

Publication number: CN212795615U
Application number: CN202020948581.2U
Authority: CN
Inventors: 刘锦根; 薛佃阳; 杭新生
Original assignee: Jiangsu Yihe Daily Necessities Co ltd
Current assignee: Jiangsu Yihe Daily Necessities Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-26
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to the technical field of casting machine equipment, concretely relates to casting machine for CPP film production, including frame, wind-up roll and motor, the wind-up roll rotates and sets up the right-hand member at the frame, and the motor is fixed and is set up the right-hand member at the frame leading flank, and the output shaft of motor passes the frame and is connected with the wind-up roll, and the left lower extreme of frame rotates and is provided with the guide roller, and the frame front and back end that is located the upper right side of guide roller is opened and is all been equipped with first vertical spout, and the frame front and back end that is located first spout all is seted up the second vertical spout; the utility model can adjust the horizontal heights of the first cooling roller and the second cooling roller through the lead screw, thereby the coating area between the film and the two cooling rollers can be adjusted in the film casting process, and the film can be cooled and cooled to different degrees; additionally, the utility model discloses an internal design of two chill rolls has improved the cooling water and has absorbed thermal effect to the waste of cooling water has effectively been reduced.

Description

Casting machine is used in CPP film production

Technical Field

The utility model relates to a casting machine equipment technical field, concretely relates to casting machine is used in CPP film production.

Background

The CPP film is an unstretched polypropylene film prepared by a tape casting method, has the characteristics of light weight, high transparency, strong mechanical adaptability, moisture resistance, good heat resistance and the like, and is widely applied to bread, fiber fabrics and composite packaging materials. In the casting process of CPP film production, the cooling control of the film is a crucial factor influencing the quality of the CPP film.

For example, the utility model with the patent number of CN204658914U discloses a cooling mechanism of a plastic extrusion casting film unit, which comprises a frame, a guide arc, a main cooling roller, a secondary cooling roller, an auxiliary cooling roller and parallel rollers, wherein the guide arc, the main cooling roller, the secondary cooling roller, the auxiliary cooling roller and the parallel rollers are all arranged on the frame, the guide arc is a quarter circular arc structure with a smooth surface, the guide arc is positioned at the lower end of an extrusion port, the main cooling roller is positioned at the right side of the guide arc, the auxiliary cooling roller comprises a left auxiliary cooling roller and a right auxiliary cooling roller which are respectively positioned at the left side and the right side of the bottom end of the main cooling roller, the secondary cooling roller is positioned at the right side of the main cooling roller, and the parallel rollers comprise a left parallel; although the film can be cooled by the main cooling roller and the secondary cooling roller, the cooling pipes in the film are all designed linearly, the cooling water in the cooling pipes cannot effectively take away heat, and a large amount of cooling water is required to be continuously introduced into the cooling pipes, so that water resource waste is easily caused; in addition, the position between the main cooling roller and the secondary cooling roller in the device is fixed, so that the coating area of the film and the roller body of the cooling roller cannot be adjusted in the production casting process, and the cooling effect in the casting process cannot be effectively adjusted. Therefore, to the above-mentioned not enough of current plastics extrusion casting film unit's cooling body, it is a technical problem that remains to solve to design one kind can be to cooling water make full use of, can carry out the CPP film production that adjusts to the cooling effect of casting in-process and use the casting machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the aforesaid of the cooling body that the curtain coating film unit was extruded to plastics not enough, design one kind can be to cooling water make full use of, can carry out the casting machine for CPP film production adjusted to the in-process cooling effect of casting.

The utility model discloses a realize through following technical scheme:

a casting machine for producing a CPP film comprises a rack, a winding roller and a motor, wherein the winding roller is rotatably arranged at the right end of the rack, the motor is fixedly arranged at the right end of the front side surface of the rack, an output shaft of the motor penetrates through the rack to be connected with the winding roller, a material guide roller is rotatably arranged at the lower left end of the rack, first vertical sliding grooves are respectively formed in the front end and the rear end of the rack positioned above the right side of the material guide roller, second vertical sliding grooves are respectively formed in the front end and the rear end of the rack positioned on the first vertical sliding grooves, a first sliding block is arranged in each first vertical sliding groove, a bearing is arranged on each first sliding block, a first cooling roller is arranged between the front bearing and the rear bearing, a second sliding block is arranged in each second vertical sliding groove, bearings are also arranged on the front sliding block and the rear sliding block, and a second cooling roller is arranged between the, threaded holes are formed in the top end of the rack right above the first vertical sliding groove and the second vertical sliding groove, a lead screw is arranged in each threaded hole, the lower end of each lead screw is movably connected with the first sliding block and the second sliding block respectively, and a rotary table is arranged at the top end of each lead screw;

the cavity has all been seted up to the inside of first chill roll and second chill roll, the both ends face of first chill roll and second chill roll is equallyd divide and is do not connected with inlet tube and outlet pipe, be provided with middle pipe in the cavity, be close to the sealed setting of middle pipe tip of inlet tube department is located be provided with the spiral leaf between the outer wall of cavity inner wall and middle pipe, the inside of middle pipe is provided with the inner pipe, is close to be provided with annular baffle on the inner pipe tip periphery of outlet pipe department, inlet tube and outlet pipe all are connected with the bearing, and the pipeline on inlet tube and the external water pump is connected, are connected with the fluid-discharge tube on its outlet pipe.

As a further improvement of the above scheme, be located all be provided with the blower housing directly over first chill roll and under the second chill roll, the arc recess has been seted up to the blower housing, a plurality of exhaust vents have been seted up on the arc recess, be located the blower housing at the arc recess back is connected with the air-supply line, the outer end of air-supply line is connected with the draught fan.

As a further improvement of the proposal, a cylinder is arranged on the frame above or below the corresponding blowing hood, the piston rod of the cylinder is connected with the corresponding blowing hood, and the middle section of the air inlet pipe is a corrugated expansion pipe.

As a further improvement of the scheme, a plurality of clamping protrusions are uniformly arranged on the outer circumferential surface of the winding roller.

As a further improvement of the above scheme, the heights of the first vertical sliding chute and the second vertical sliding chute are both 60 cm.

Has the advantages that:

1. compared with the prior art, the casting machine has the advantages that through the arrangement of the first vertical sliding groove and the second vertical sliding groove, the sliding blocks capable of moving up and down along the first vertical sliding groove and the second vertical sliding groove are arranged at the end parts of the two cooling rollers, and the horizontal heights of the first cooling roller and the second cooling roller can be adjusted through rotating the lead screw, so that the coating area between the film and the two cooling rollers can be adjusted in the film casting process, and the film can be cooled and cooled to different degrees; additionally, the utility model discloses change the coolant flow direction in the chill roll inner chamber, it is not that traditional through type flows, and its coolant water comes in from the inlet tube, then along the spiral leaf between the outer wall of cavity inner wall and middle pipe in the middle of the pipe of flow direction, the tip discharge from the inner core pipe at last again, and it has greatly improved the effect that the coolant water absorbs the heat to effectively reduced the waste of coolant water, had the advantage of certain energy-concerving and environment-protective.

2. The utility model discloses still set up the blower housing in the top or the below of every chill roll, its draught fan is just facing the film on chill roll surface through the cold wind that the air-supply line will be blown into, and the lower surface of its blower housing sets up for the arc in addition, can blow to the film surface with cooling air from a plurality of angles, and it has increased the cooling efficiency of film for the efficiency of film curtain coating obtains certain promotion in actual production process, and its effect is excellent, the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first angle three-dimensional structure diagram of the present invention;

FIG. 2 is a first cross-sectional front view internal structure view of the present invention;

FIG. 3 is a second cross-sectional front view internal structure view of the present invention;

FIG. 4 is a perspective view of the slider of the present invention;

FIG. 5 is a perspective sectional view of the first cooling roller or the second cooling roller of the present invention;

fig. 6 is a three-dimensional structure view of the middle blowing cover of the present invention.

The device comprises a rack 1, a rack 101, a first vertical chute 102, a second vertical chute, a threaded hole 103, a winding roller 2, a motor 3, a guide roller 4, a first sliding block 5, a bearing 6, a first cooling roller 7, a second sliding block 8, a second cooling roller 9, a screw rod 11, a rotating disc 12, a water inlet pipe 13, a water outlet pipe 14, a middle circular pipe 15, a spiral blade 16, a central circular pipe 17, an annular partition plate 18, an air blowing cover 19, an arc groove 191, an air outlet 192, an air inlet pipe 20, an induced draft fan 21, an air cylinder 22 and a clamping protrusion 23.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. Reference will now be made to the accompanying drawings, which illustrate embodiments of the present invention, and which are illustrated in the accompanying drawings.

Example 1

Embodiment 1 has introduced a casting machine for CPP film production, refer to fig. 1, fig. 2 and fig. 3, and its major structure includes frame 1, wind-up roll 2 and motor 3, and wind-up roll 2 rotates the right-hand member that sets up in frame 1 to evenly be provided with a plurality of block protruding 23 on the outer periphery of wind-up roll 2, make things convenient for the fixed of film reel. The fixed right-hand member that sets up in frame 1 leading flank of motor 3, the output shaft of motor 3 passes being connected of frame 1 and wind-up roll 2, the left lower extreme of frame 1 rotates and is provided with guide roller 4, the frame 1 front and back end that is located guide roller 4 upper right is opened and is all been equipped with first vertical spout 101, the frame 1 front and back end that is located first vertical spout 101 has all been seted up the vertical spout 102 of second, be provided with first slider 5 in the first vertical spout 101, refer to figure 4, be provided with bearing 6 on the first slider 5, be provided with first chill roll 7 between the bearing 6 on two first sliders in the front and back. A second slide block 8 is arranged in the second vertical sliding chute 102, and also refer to fig. 4, bearings 6 are also arranged on the front and rear second slide blocks 8, and a second cooling roller 9 is arranged between the bearings on the two second slide blocks 8.

The top end of the rack 1 directly above the first vertical sliding groove 101 and the second vertical sliding groove 102 is provided with a threaded hole 103, a screw rod 11 is arranged in the threaded hole 103, the lower end of the screw rod 11 is movably connected with the first sliding block 5 and the second sliding block 8 respectively, and the top end of the screw rod 11 is provided with a turntable 12. In addition, the heights of the first vertical chute 101 and the second vertical chute 102 in the embodiment are both 60cm, and the distance between the first cold-removing roller 7 and the second cooling roller 9 can be adjusted by rotating the screw rod 11, so that the coating area between the CPP film and the two cooling rollers can be adjusted.

Referring to fig. 5, cavities 100 are respectively formed in the first cooling roller 7 and the second cooling roller 9, two end faces of the first cooling roller 7 and the second cooling roller 9 are respectively connected with a water inlet pipe 13 and a water outlet pipe 14, a middle circular pipe 15 is arranged in the cavity 100, the end part of the middle circular pipe close to the water inlet pipe 13 is hermetically arranged, a spiral blade 16 is arranged between the inner wall of the cavity 100 and the outer wall of the middle circular pipe 15, an inner circular pipe 17 is arranged in the middle circular pipe 15, an annular partition plate 18 is arranged on the circumferential surface of the end part of the inner circular pipe 17 close to the water outlet pipe 14, the water inlet pipe 13 and the water outlet pipe 14 are both connected with a bearing 6, the water inlet pipe 13 is connected with a pipeline on an external water pump (not shown in the drawing), and the water outlet pipe 14.

Example 2

Example 2 is a further improvement of the cooling effect of example 1. This is explained in detail below: referring to the attached

drawings

1, 2 and 3, the main structure of the film winding device comprises a rack 1, a winding roller 2 and a motor 3, wherein the winding roller 2 is rotatably arranged at the right end of the rack 1, and a plurality of clamping protrusions 23 are uniformly arranged on the outer circumferential surface of the winding roller 2, so that the film winding drum is convenient to fix. The fixed right-hand member that sets up in frame 1 leading flank of motor 3, the output shaft of motor 3 passes being connected of frame 1 and wind-up roll 2, the left lower extreme of frame 1 rotates and is provided with guide roller 4, the frame 1 front and back end that is located guide roller 4 upper right is opened and is all been equipped with first vertical spout 101, the frame 1 front and back end that is located first vertical spout 101 has all been seted up the vertical spout 102 of second, be provided with first slider 5 in the first vertical spout 101, refer to figure 4, be provided with bearing 6 on the first slider 5, be provided with first chill roll 7 between the bearing 6 on two first sliders in the front and back. A second slide block 8 is arranged in the second vertical sliding chute 102, and also referring to fig. 4, bearings are also arranged on the front and rear second slide blocks 8, and a second cooling roller 9 is arranged between the bearings on the two second slide blocks 8.

Referring to the attached drawing 5, a cavity 100 is formed in each of the first cooling roller 7 and the second cooling roller 9, two end faces of each of the first cooling roller 7 and the second cooling roller 9 are connected with a water inlet pipe 13 and a water outlet pipe 14, a middle circular pipe 15 is arranged in each cavity 100, the end portion of the middle circular pipe close to the water inlet pipe 13 is arranged in a sealing mode, a spiral blade 16 is arranged between the inner wall of each cavity 100 and the outer wall of the middle circular pipe 15, an inner circular pipe 17 is arranged in each middle circular pipe 15, an annular partition plate 18 is arranged on the circumferential surface of the end portion of the inner circular pipe 17 close to the water outlet pipe 14, the water inlet pipe 13 and the water outlet pipe 14 are connected with a bearing 6, the water inlet pipe 13 is connected with a.

Referring to fig. 1 and fig. 3, blowing hoods 19 are disposed right above the first cooling roller 7 and right below the second cooling roller 9, an air cylinder 22 is disposed on the frame 1 above or below the corresponding blowing hood 19, a piston rod of the air cylinder 22 is connected to the corresponding blowing hood 19, and an intermediate section of the air inlet pipe 20 is a corrugated expansion pipe (not labeled in the figures). Referring to fig. 6, an arc-shaped groove 191 is formed in the blowing hood 19, a plurality of air outlet holes 192 are formed in the arc-shaped groove 191, the air inlet pipe 20 is connected to the blowing hood 19 located on the back of the arc-shaped groove 191, the outer end of the air inlet pipe 20 is connected with an induced draft fan 21, and the cooling effect of the film can be further accelerated by cold air blown into the film through the induced draft fan, so that the winding efficiency of the winding roller 2 can be accelerated.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A casting machine for producing a CPP film comprises a rack (1), a winding roller (2) and a motor (3), wherein the winding roller (2) is rotatably arranged at the right end of the rack (1), the motor (3) is fixedly arranged at the right end of the front side face of the rack (1), an output shaft of the motor (3) penetrates through the rack (1) to be connected with the winding roller (2), and the casting machine is characterized in that the lower left end of the rack (1) is rotatably provided with a material guide roller (4), the front end and the rear end of the rack (1) positioned above the right of the material guide roller (4) are respectively provided with a first vertical sliding groove (101), the front end and the rear end of the rack (1) positioned at the first vertical sliding groove (101) are respectively provided with a second vertical sliding groove (102), a first sliding block (5) is arranged in the first vertical sliding groove (101), a bearing (6) is arranged on the first sliding block (5), and a first cooling roller (7) is arranged between the front bearing and the rear, a second sliding block (8) is arranged in the second vertical sliding groove (102), bearings are also arranged on the front and rear second sliding blocks (8), a second cooling roller (9) is arranged between the bearings on the two second sliding blocks (8), threaded holes (103) are formed in the top end of the rack (1) right above the first vertical sliding groove (101) and the second vertical sliding groove (102), a screw rod (11) is arranged in each threaded hole (103), the lower end of each screw rod (11) is movably connected with the first sliding block (5) and the second sliding block (8) respectively, and a rotary table (12) is arranged at the top end of each screw rod (11);

cavities (100) are arranged inside the first cooling roller (7) and the second cooling roller (9), the two end surfaces of the first cooling roller (7) and the second cooling roller (9) are respectively connected with a water inlet pipe (13) and a water outlet pipe (14), a middle circular tube (15) is arranged in the cavity (100), the end part of the middle circular tube close to the water inlet tube (13) is sealed, a spiral blade (16) is arranged between the inner wall of the cavity (100) and the outer wall of the middle circular tube (15), an inner circular tube (17) is arranged inside the middle circular tube (15), an annular partition plate (18) is arranged on the circumferential surface of the end part of the inner circular tube (17) close to the water outlet pipe (14), the water inlet pipe (13) and the water outlet pipe (14) are both connected with the bearing (6), the water inlet pipe (13) is connected with a pipeline on an external water pump, and the water outlet pipe (14) is connected with a liquid discharge pipe.

2. The casting machine for producing the CPP film according to claim 1, wherein a blowing hood (19) is arranged right above the first cooling roller (7) and right below the second cooling roller (9), an arc-shaped groove (191) is formed in the blowing hood (19), a plurality of air outlet holes (192) are formed in the arc-shaped groove (191), an air inlet pipe (20) is connected to the blowing hood (19) at the back of the arc-shaped groove (191), and an induced draft fan (21) is connected to the outer end of the air inlet pipe (20).

3. The casting machine for producing the CPP film according to claim 2, wherein a cylinder (22) is arranged on the frame (1) above or below the corresponding blowing hood (19), a piston rod of the cylinder (22) is connected with the corresponding blowing hood (19), and the middle section of the air inlet pipe (20) is a corrugated expansion pipe.

4. The casting machine for producing the CPP film as claimed in claim 1, wherein a plurality of clamping protrusions (23) are uniformly arranged on the outer circumferential surface of the winding roller (2).

5. The casting machine for producing CPP films as claimed in claim 1, wherein the first vertical sliding chute (101) and the second vertical sliding chute (102) are both 60cm in height.