CN211616320U

CN211616320U - Thickness adjusting device of curtain coating membrane

Info

Publication number: CN211616320U
Application number: CN202020140903.0U
Authority: CN
Inventors: 唐颖恺
Original assignee: Zhejiang Dai Le Xin Materials Co ltd
Current assignee: Zhejiang Dai Le Xin Materials Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-10-02
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to a thickness adjusting device of curtain coating membrane, it includes the support, rotate the chill roll that is connected with the curtain coating roller, is parallel with the curtain coating roller on the support, the support both sides all are provided with the adjustment mechanism who acts on the chill roll, adjustment mechanism is located the both ends of chill roll pivot and enables the chill roll towards the direction motion that is close to the curtain coating roller, adjustment mechanism is including setting up lead screw and the drive screw pivoted motor in the support, lead screw threaded connection has the slider, the mounting groove that longitudinal section is "concave" font is seted up to the support upper surface, the slider upper surface is provided with the supporting shoe, the supporting shoe extends to the support top in the mounting groove and can move towards the curtain coating roller direction under the lead screw effect, the connection is rotated in the chill roll pivot on the supporting shoe. The utility model discloses have the effect of adjusting distance between curtain coating roller and the chill roll.

Description

Thickness adjusting device of curtain coating membrane

Technical Field

The utility model belongs to the technical field of the technique of curtain coating membrane production and specifically relates to a thickness adjusting device of curtain coating membrane is related to.

Background

Cast film is a non-stretched, non-oriented cast film produced by melt cast quenching. The method has two modes of single-layer casting and multi-layer coextrusion casting. Compared with blown film, the method has the characteristics of high production speed, high yield, excellent transparency, gloss, thickness uniformity and the like of the film.

The prior casting film machine (refer to fig. 1) comprises a support 1 fixed on the ground, wherein a casting roller 2 and a cooling roller 3 are rotatably connected on the support 1, raw materials extruded from a T-shaped structure forming die are cooled between the casting roller 2 and the cooling roller 3 to form, and the raw materials are cooled and shaped on the cooling roller 3, and then the product is rolled after traction and edge cutting.

The above prior art solutions have the following drawbacks: because chill roll and casting roll are all rotated and are connected on the support, and can't adjust the relative position relation between chill roll and the casting roll, because the machine uses for a long time and leads to the gap grow between casting roll and the chill roll or because the too big laminating that leads to of gap is not inseparable, the cooling is not in place when processing the film of thickness is thinner, reduces the qualification rate of product.

Therefore, a new casting film machine is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a casting film thickness adjusting device of distance between adjustable casting roller and the chill roll to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a thickness adjusting device of casting film comprises a bracket, a casting roller and a cooling roller parallel to the casting roller are rotatably connected on the bracket, the rotation directions of the casting roller and the cooling roller are opposite, a casting film is compressed and molded between the casting roller and the cooling roller, the two sides of the bracket are respectively provided with an adjusting mechanism acting on the cooling roller, the adjusting mechanisms are positioned at the two ends of the rotating shaft of the cooling roller and can enable the cooling roller to move towards the direction close to the casting roller, the adjusting mechanism comprises a lead screw arranged in the bracket and a motor driving the lead screw to rotate, the lead screw is connected with a slide block through a thread, the upper surface of the bracket is provided with a mounting groove with a concave-shaped longitudinal section, the upper surface of the sliding block is provided with a supporting block, the supporting block extends to the upper part of the support from the mounting groove and can move towards the casting roller under the action of the lead screw, and the rotating shaft of the cooling roller is rotationally connected to the supporting block.

Through adopting above-mentioned technical scheme, the motor starts to drive the lead screw and rotates, and the slider drives the chill roll towards the direction motion of being close to and keeping away from the curtain coating roller under the effect of lead screw to adjust the distance between chill roll and the curtain coating roller according to the thickness of different curtain coating films.

The utility model discloses further set up to: the supporting shoe is including fixing the connecting block at the slider upper surface, connecting block both sides wall slides the joint on mounting groove upper end open-ended both sides wall, the supporting shoe is still including fixing the bottom plate at the connecting block upper surface, bottom plate lower surface and support upper surface butt, the bottom plate upper surface is provided with coupling mechanism, the bottom plate is connected with the mounting panel through coupling mechanism, the chill roll pivot is rotated and is connected on the mounting panel.

Through adopting above-mentioned technical scheme, make the mounting panel connect on the bottom plate through coupling mechanism, the dismantlement and the change of the mounting panel of being convenient for and the maintenance of chill roll.

The utility model discloses further set up to: the connecting mechanism comprises a plurality of rectangular blocks which are integrally formed on the upper surface of the base plate and are parallel to the screw rod, a rectangular groove which is formed in the lower surface of the mounting plate and penetrates through one end face of the mounting plate, the rectangular blocks are slidably connected in the rectangular groove, and the upper surface of the support is provided with a limiting assembly which acts on the two end faces of the mounting plate.

Through adopting above-mentioned technical scheme, the joint that slides of rectangular block is in the rectangular channel, the dismantlement and the installation of the mounting panel of being convenient for.

The utility model discloses further set up to: the limiting assembly comprises two coaxial limiting cylinders fixed on the upper surface of the support, and baffles are fixed on connecting rods of the limiting cylinders and can be respectively abutted against two ends of the supporting block to prevent the mounting plate and the bottom plate from sliding relatively.

Through adopting above-mentioned technical scheme, the setting up of spacing cylinder prevents that relative slip from appearing in bottom plate and mounting panel, and the baffle butt is at the both ends of installation piece, and the position of restriction mounting panel prevents to lead to the distance between chill roll and the curtain coating roller to change because of machine vibrations in the course of working.

The utility model discloses further set up to: the mounting panel both ends are fixed with spacing arch, offer on the baffle and be used for the joint that slides spacing bellied spacing recess.

Through adopting above-mentioned technical scheme, spacing arch card machine that slides prevents that the mounting panel from taking place relative motion in vertical direction in the mounting groove.

The utility model discloses further set up to: mounting groove both sides all are provided with glide machanism, glide machanism includes integrated into one piece in the sliding block of support upper surface, the sliding block is on a parallel with the lead screw, glide machanism still including seting up at the bottom plate lower surface and supplying the sliding block to slide the sliding groove of joint.

Through adopting above-mentioned technical scheme, the positional relation of mounting panel has not only been restricted in the setting of glide machanism, makes the atress of mounting panel more even simultaneously, increases the stability of structure.

The utility model discloses further set up to: the baffle and support upper surface butt, the interference preventing groove that supplies the sliding block joint that slides is seted up to the baffle lower surface.

Through adopting above-mentioned technical scheme, the baffle butt makes the atress of baffle more even at the support upper surface, prevents simultaneously interfering the in-process that the baffle was sliding in the setting of groove, and the sliding block causes to interfere and leads to unable removal.

The utility model discloses further set up to: a plurality of balls are embedded in the support below the screw rod, and the lower surface of the sliding block is abutted to the balls.

Through adopting above-mentioned technical scheme, sliding friction becomes rolling friction with setting up of ball, reduces the frictional force between slider and the support.

To sum up, the utility model discloses a beneficial technological effect does:

under the action of a motor, a lead screw rotates, and a slide block in threaded connection with the lead screw drives a cooling roller to move towards the direction far away from and close to a casting roller, so that the distance between the cooling roller and the casting roller is adjusted according to the thickness of a casting film;

the position of mounting panel has been restricted in setting up of spacing cylinder, prevents that relative motion from appearing in the mounting panel, makes whole structure more stable.

Drawings

Fig. 1 is a schematic view of a prior art structure.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Fig. 4 is a schematic plan view of the baffle of the present invention.

In the figure, 1, a bracket; 2. a casting roll; 3. a cooling roll; 4. an adjustment mechanism; 5. a lead screw; 6. a motor; 7. a slider; 8. mounting grooves; 9. a support block; 10. connecting blocks; 11. a base plate; 12. a connecting mechanism; 13. mounting a plate; 14. a rectangular block; 15. a rectangular groove; 16. a limiting component; 17. a limiting cylinder; 18. a baffle plate; 19. a limiting bulge; 20. a limiting groove; 21. a sliding mechanism; 22. a sliding block; 23. a sliding groove; 24. an anti-interference groove; 25. and a ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and fig. 3, for the utility model discloses a thickness adjusting device of curtain coating membrane, including support 1, rotate on support 1 and be connected with curtain coating roller 2, with the chill roll 3 that curtain coating roller 2 is parallel and curtain coating roller 2 and the chill roll 3 rotation direction is opposite, curtain coating membrane compression moulding between curtain coating roller 2 and chill roll 3. All be provided with the adjustment mechanism 4 that acts on chill roll 3 in support 1 both sides, adjustment mechanism 4 is located the both ends of the 3 pivots of chill roll and enables chill roll 3 and moves towards the direction that is close to curtain coating roller 2, adjustment mechanism 4 is including setting up lead screw 5 and the drive lead screw 5 pivoted motor 6 in support 1, threaded connection has slider 7 on lead screw 5, the mounting groove 8 that longitudinal section is "concave" font is seted up to support 1 upper surface, be provided with supporting shoe 9 on slider 7 upper surface, supporting shoe 9 extends to support 1 top and can move towards curtain coating roller 2's direction under the lead screw 5 effect from mounting groove 8, the pivot of chill roll 3 is rotated and is connected on this supporting shoe 9. The starter motor 6 drives the lead screw 5 to rotate, and the threaded connection drives the cooling roller 3 to move towards the direction far away from and close to the casting roller 2 on the lead screw 5, so that the distance between the casting roller 2 and the cooling roller 3 is adjusted according to the thickness of the casting film, and the setting of the adjusting mechanism 4 can also avoid the change of the distance between the casting roller 2 and the cooling roller 3 caused by the long-term use of the machine.

Referring to fig. 3, the supporting block 9 includes the connecting block 10 fixed on the upper surface of the slider 7, the two side walls of the connecting block 10 slide and are connected to the two side walls of the upper end opening of the mounting groove 8, the supporting block 9 is prevented from shaking, the supporting block 9 further includes the bottom plate 11 fixed on the upper surface of the connecting block 10, the lower surface of the bottom plate 11 is abutted to the upper surface of the support 1, the connecting mechanism 12 is arranged on the upper surface of the bottom plate 11, the bottom plate 11 is connected with the mounting plate 13 through the connecting mechanism 12, and the rotating shaft of.

Referring to fig. 3, the connecting mechanism 12 includes a plurality of rectangular blocks 14 integrally formed on the upper surface of the bottom plate 11 and parallel to the screw 5, and a rectangular groove 15 formed on the lower surface of the mounting plate 13 and penetrating through an end surface of the mounting plate 13, the rectangular blocks 14 are slidably clamped in the rectangular groove 15, and the connecting mechanism 12 facilitates the mounting and dismounting of the mounting plate 13, so that the machine can be maintained regularly.

Referring to fig. 3 and 4, the upper surface of the bracket 1 is provided with a limiting component 16 acting on two end surfaces of the mounting plate 13, the limiting component 16 comprises two coaxial limiting cylinders 17 fixed on the upper surface of the bracket 1, a baffle 18 is fixed on a connecting rod of the limiting cylinders 17, the baffle 18 can be respectively abutted against two ends of the supporting block 9, the supporting block 9 is prevented from moving towards the direction far away from or close to the casting roller 2, limiting protrusions 19 are fixed on two ends of the mounting plate 13, a limiting groove 20 used for sliding and clamping the limiting protrusions 19 is formed in the baffle 18, the limiting protrusions 19 are slidably clamped in the limiting groove 20, and the mounting plate 13 is prevented from moving in the vertical direction.

Referring to fig. 2 and 3, all be provided with glide machanism 21 in 8 both sides of mounting groove, glide machanism 21 includes integrated into one piece in the 1 upper surface of support and be on a parallel with the sliding block 22 of lead screw 5, set up at 11 lower surfaces of bottom plate and supply the sliding groove 23 of sliding block 22 joint that slides, baffle 18 and 1 upper surface butt of support, set up the anti-interference groove 24 that supplies sliding block 22 joint that slides at 18 lower surfaces of baffle, glide machanism 21's setting makes mounting panel 13's atress more even, increased the stability of structure.

Referring to fig. 3, a plurality of balls 25 are embedded in the support 1 below the screw 5, the lower surface of the slider 7 and the balls 25 are arranged, sliding friction is changed into rolling friction by the arrangement of the balls 25, and resistance in the movement process of the slider 7 is reduced.

The implementation principle of the embodiment is as follows: mounting panel 13 joint that slides in rectangular channel 15, motor 6 drives lead screw 5 and rotates, threaded connection is at the slider 7 on lead screw 5 towards the direction motion of being close to or keeping away from casting roller 2, thereby adjust the distance between chill roll 3 and the casting roller 2 according to the thickness that casting film needs, when chill roll 3 moves to the assigned position, the extension of spacing cylinder 17 connecting rod, spacing arch 19 joint that slides is in spacing recess 20, limit mounting panel 13's position on vertical and horizontal direction jointly, prevent that relative motion from appearing in the in-process of work in chill roll 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a thickness adjusting device of curtain coating membrane, includes support (1), rotate on support (1) and be connected with curtain coating roller (2), with the chill roll (3) that curtain coating roller (2) are parallel, curtain coating roller (2) and chill roll (3) rotate opposite direction, curtain coating membrane is in compression moulding between curtain coating roller (2) and chill roll (3), support (1) both sides all are provided with adjustment mechanism (4) that act on chill roll (3), adjustment mechanism (4) are located the both ends of chill roll (3) pivot and can make chill roll (3) towards the direction motion that is close to curtain coating roller (2), its characterized in that: the adjusting mechanism (4) comprises a lead screw (5) arranged in the support (1) and a motor (6) driving the lead screw (5) to rotate, the lead screw (5) is connected with a sliding block (7) in a threaded manner, an installation groove (8) with a concave-shaped longitudinal section is formed in the upper surface of the support (1), a supporting block (9) is arranged on the upper surface of the sliding block (7), the supporting block (9) extends to the upper part of the support (1) from the installation groove (8) and can move towards the casting roller (2) under the action of the lead screw (5), and the rotating shaft of the cooling roller (3) is rotatably connected onto the supporting block (9).

2. A thickness regulating device of a casting film according to claim 1, characterized in that: supporting shoe (9) are including fixing connecting block (10) at slider (7) upper surface, the joint that slides on mounting groove (8) upper end open-ended both sides wall is located to connecting block (10) both sides wall, supporting shoe (9) are still including fixing bottom plate (11) at connecting block (10) upper surface, bottom plate (11) lower surface and support (1) upper surface butt, bottom plate (11) upper surface is provided with coupling mechanism (12), bottom plate (11) are connected with mounting panel (13) through coupling mechanism (12), chill roll (3) pivot is rotated and is connected on mounting panel (13).

3. A thickness regulating device of a casting film according to claim 2, characterized in that: coupling mechanism (12) include integrated into one piece in a plurality of rectangular blocks (14) of bottom plate (11) upper surface and be on a parallel with lead screw (5), set up rectangular channel (15) at mounting panel (13) lower surface and run through a mounting panel (13) terminal surface, the joint that slides of rectangular block (14) is in rectangular channel (15), support (1) upper surface is provided with spacing subassembly (16) that act on mounting panel (13) both ends face.

4. A thickness regulating device of a casting film according to claim 3, characterized in that: the limiting assembly (16) comprises two coaxial limiting cylinders (17) fixed on the upper surface of the support (1), baffle plates (18) are fixed on connecting rods of the limiting cylinders (17), and the baffle plates (18) can be respectively abutted against two ends of the supporting block (9) to prevent the mounting plate (13) and the bottom plate (11) from sliding relatively.

5. A thickness regulating device of a casting film according to claim 4, characterized in that: mounting panel (13) both ends are fixed with spacing arch (19), offer on baffle (18) and be used for the joint that slides spacing recess (20) of spacing arch (19).

6. A thickness regulating device of a casting film according to claim 1, characterized in that: mounting groove (8) both sides all are provided with glide machanism (21), glide machanism (21) include integrated into one piece in sliding block (22) of support (1) upper surface, sliding block (22) are on a parallel with lead screw (5), glide machanism (21) still including offering at bottom plate (11) lower surface and supplying sliding block (22) to slide sliding groove (23) of joint.

7. A thickness regulating device of a casting film according to claim 5, characterized in that: baffle (18) and support (1) upper surface butt, interference preventing groove (24) that supply sliding block (22) to slide the joint are seted up to baffle (18) lower surface.

8. A thickness regulating device of a casting film according to claim 1, characterized in that: a plurality of balls (25) are embedded in the support (1) below the screw rod (5), and the lower surface of the sliding block (7) is abutted to the balls (25).