CN217098559U

CN217098559U - Calender with adjustable roller spacing for plastic products

Info

Publication number: CN217098559U
Application number: CN202220785974.5U
Authority: CN
Inventors: 郝全福
Original assignee: Hebei Haobrother Plastic Co ltd
Current assignee: Hebei Haobrother Plastic Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-02
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to the technical field of calender, a calender for plastic products with adjustable roller spacing is provided, which is convenient for adapting to the processing of sheets with different thicknesses, and comprises a calender body, the calender body is provided with an upper roller, a middle roller and a lower roller, and also comprises a base, the base is connected with two fixed blocks through two support columns, the middle roller is rotationally connected between the two fixed blocks, the support columns are slidably connected with a moving frame, the moving frame is fixedly connected with a lifting plate, the inner parts of two moving grooves are rotationally connected with rotating rods, the periphery of the rotating rods is provided with two external threads with opposite rotation directions, the moving frame is in threaded connection with the rotating rods, the two rotating rods are connected through transmission belt transmission, the top end of one of the two support columns is provided with a first motor, the output end of the first motor is fixedly connected with the corresponding rotating rod, the lifting plate is slidably connected with a moving plate, the upper roller and the lower roller are respectively rotationally connected between the two corresponding moving plates, the lifting plate is connected with a driving mechanism.

Description

Calender with adjustable roller spacing for plastic products

Technical Field

The utility model relates to a plating press technical field, concretely relates to roll interval adjustable plating press for plastic products.

Background

Calenders are well known for use in sheet production lines to press the material exiting from an extruder die into sheets and are widely used in the field of plastic products.

Through retrieval, chinese 2018, month 8 and 31 disclose a three-roller calender for a plastic lunch box and sheet machine, having patent publication No. CN207789718U, which is roughly described as including a rail, a first fixing plate and a transverse brace, wherein the upper surface of the rail is provided with the first fixing plate and a second fixing plate, the lower side portions of the first fixing plate and the second fixing plate, which are close to the lower roller, are provided with a lower roller screw rod lifter, the upper surface of the lower roller screw rod lifter is provided with a lower roller lifter, the other end of the lower roller lifter is provided with a lower roller, the inner side of the lower roller screw rod lifter is provided with a lower fixed column, the side of the first fixing plate, which is close to the lower fixed column, is provided with a motor box, and the inner side of the motor box is provided with the lower roller, a middle roller and an upper roller, and the lower roller, the middle roller and the other end of the upper roller are provided with a rotating shaft.

Although the prior art scheme is simple and convenient to use, good in calendaring effect, high in working efficiency, good in product quality, good in universality and high in economic benefit, the distance between the upper roller, the middle roller and the lower roller in the prior art is relatively fixed, the plastic product calendaring machine with the adjustable roller spacing is not convenient to adapt to the processing requirements of sheets with different thicknesses, and therefore the calendaring machine with the adjustable roller spacing for plastic products needs to be designed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a roll interval adjustable calender for plastic products to the problem of the processing of the sheet of the different thickness of adaptation not convenient to of prior art who proposes in the solution background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a calender with adjustable roller spacing for plastic products comprises a calender body, and further comprises a base, wherein the calender body is provided with an upper roller, a middle roller and a lower roller, the top end of the base is fixedly connected with two support columns, one ends, close to each other, of the two support columns are connected with fixed blocks, the middle roller is rotatably connected between the two fixed blocks, the support columns are provided with two moving grooves, the moving frames are slidably connected inside the moving grooves, the moving frames are fixedly connected with a lifting plate, the inside of the two moving grooves are rotatably connected with rotating rods, the periphery of the rotating rods is provided with two external threads with opposite rotating directions, the moving frames are in threaded connection with the rotating rods, the two rotating rods are in transmission connection through a transmission belt, the top end of one support column of the two support columns is provided with a first motor, and the output end of the first motor is fixedly connected with the corresponding rotating rod, the lifting plate is connected with moving plates in a sliding mode, the upper roller and the lower roller are respectively connected between the two corresponding moving plates in a rotating mode, and the lifting plate is connected with a driving mechanism used for driving the moving plates to move.

Preferably, the lifting plate is provided with a sliding groove, a sliding block is slidably mounted inside the sliding groove, the moving plate is fixedly connected with the corresponding sliding block through a connecting plate, and the lifting plate is provided with a connecting groove matched with the connecting plate.

Furthermore, actuating mechanism includes the second motor, the second motor is installed at the front end of the lifter plate that corresponds, and the inside of spout rotates and is connected with the screw rod, slider and screw rod threaded connection pass through the transmission assembly transmission connection between two screw rods that correspond.

Still further, the transmission assembly comprises two chain wheels, the rear end of the screw is fixedly connected with a rotating shaft, the rear end of the rotating shaft penetrates through the lifting plate and is fixedly connected with the corresponding chain wheel, and the two chain wheels are connected in a chain transmission mode.

As a further scheme of the scheme, the rear ends of the corresponding two lifting plates are connected with a protective cover, the rotating shaft is rotatably connected with the protective cover, and the chain wheel and the chain are both located inside the protective cover.

As a further scheme of the scheme, a plurality of vertical scales are arranged on the supporting column.

On the basis of the scheme, a plurality of horizontal scales are arranged on the lifting plate, and the top end of the moving plate is connected with a pointer.

On the basis of the scheme, two limiting rings are fixedly sleeved on the periphery of the rotating rod, and the transmission belt is located between the two limiting rings.

(III) advantageous effects

Compared with the prior art, the utility model provides a calender for plastic products of roll interval adjustable possesses following beneficial effect:

the utility model discloses in, can drive the bull stick that corresponds through first motor and rotate, make two bull sticks rotate in step through the drive belt, screw-thread fit and shifting chute through removing frame and bull stick are to the limiting displacement who removes the frame, can make and remove the frame and carry out relative motion, adjust the height distance between roller and lower roll and the well roller, can drive the movable plate through actuating mechanism and remove, adjust the horizontal distance between roller and lower roll and the well roller, thereby adjust the distance between roller and well roller and lower roll and the well roller, compare foretell prior art, this scheme is convenient for adapt to the processing of the sheet of different thickness.

Drawings

Fig. 1 is a schematic view of a partially cut-away three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 4 is a schematic view of the partial sectional three-dimensional structure of the movable plate, the slider, the connecting plate, the screw rod and the like.

In the figure: 1. upper roll; 2. a middle roller; 3. a lower roll; 4. a base; 5. a support pillar; 6. a fixed block; 7. a movable frame; 8. a lifting plate; 9. a rotating rod; 10. a first motor; 11. moving the plate; 12. a slider; 13. a connecting plate; 14. a second motor; 15. a screw; 16. a sprocket; 17. a chain; 18. a protective cover; 19. vertical graduation is carried out; 20. horizontal calibration; 21. a pointer; 22. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a calender for plastic products with adjustable roller spacing comprises a calender body, the calender body is provided with an upper roller 1, a middle roller 2 and a lower roller 3, the calender further comprises a base 4, the top end of the base 4 is fixedly connected with two supporting columns 5, one ends of the two supporting columns 5 close to each other are connected with fixing blocks 6, the middle roller 2 is rotatably connected between the two fixing blocks 6, the supporting columns 5 are provided with two moving grooves, the moving frame 7 is slidably connected inside the moving grooves, the moving frame 7 is fixedly connected with a lifting plate 8, the rotating rods 9 are rotatably connected inside the two moving grooves, the periphery of the rotating rod 9 is provided with two external threads with opposite rotating directions, the moving frame 7 is in threaded connection with the rotating rod 9, the two rotating rods 9 are in transmission connection through a transmission belt, the periphery of the rotating rod 9 is fixedly sleeved with two limiting rings 22, the transmission belt is positioned between the two limiting rings 22, the transmission belt is convenient to limit, the stability of the transmission belt is ensured, a first motor 10 is installed at the top end of one support column 5 of the two support columns 5, the output end of the first motor 10 is fixedly connected with a corresponding rotating rod 9, the corresponding rotating rod 9 can be driven to rotate through the first motor 10, the two rotating rods 9 can synchronously rotate through the transmission belt, the movable frames 7 can move relatively through the threaded fit of the movable frames 7 and the rotating rods 9 and the limit action of a moving groove on the movable frames 7, the height distance between the upper roller 1 and the middle roller 3 and the middle roller 2 can be adjusted, the rotating directions of two external threads on the rotating rods 9 are opposite, the two corresponding movable frames 7 can be close to or away from each other, a plurality of vertical scales 19 are arranged on the support columns 5, the height of the lifting plate 8 can be accurately observed conveniently, the lifting plate 8 is connected with a movable plate 11 in a sliding manner, a sliding groove is formed in the lifting plate 8, and the inside slidable mounting of spout has slider 12, and the movable plate 11 passes through connecting plate 13 and corresponding slider 12 fixed connection to set up the spread groove that matches with connecting plate 13 on the lifter plate 8, through slider 12 and spout and sliding fit, can carry out spacing to movable plate 11 when realizing that movable plate 11 removes, go up roller 1 and lower roll 3 and rotate respectively and connect between two movable plates 11 that correspond.

It should be further noted that the lifting plate 8 is connected with a driving mechanism for driving the moving plate 11 to move, the lifting plate 8 is provided with a plurality of horizontal scales 20, and the top end of the moving plate 11 is connected with a pointer 21 for facilitating relatively accurate observation of the horizontal position of the moving plate 11, the driving mechanism includes a second motor 14, the second motor 14 is installed at the front end of the corresponding lifting plate 8, the inside of the chute is rotatably connected with a screw 15, the slider 12 is in threaded connection with the screw 15, the two corresponding screws 15 are in transmission connection through a transmission assembly, the second motor 14 can drive the corresponding screws 15 to rotate, the transmission assembly can realize synchronous rotation of the two screws 15, the slider 12 can realize movement through the threaded fit of the slider 12 and the screws 15, the moving plate 11 and the upper roller 1 or the lower roller 3 are driven to move, and the horizontal distance between the upper roller 1 or the lower roller 3 and the middle roller 2 is adjusted, drive assembly includes two sprocket 16, the rear end fixedly connected with pivot of screw rod 15, the rear end of pivot passes

lifter plate

8 and 16 fixed connection with the sprocket that corresponds, connect through the transmission of chain 17 between two sprocket 16, the synchronous rotation of two sprocket 16 and two screw rods 15 can be realized to the transmission effect through chain 17, the rear end of two lifter plate 8 that correspond is connected with protection casing 18, pivot and protection casing 18 rotate to be connected, and sprocket 16 and chain 17 all are located the inside of protection casing 18, be convenient for shelter from sprocket 16 and chain 17, avoid sprocket 16 and chain 17 to bump operating personnel, can avoid foreign object card to go into sprocket 16 and chain 17 to cause the damage to it simultaneously.

The first motor 10 and the second motor 14 in this embodiment are conventional devices that are commercially available and known to those skilled in the art, and the models can be selected or customized according to actual needs, and in this patent, we only use them, and do not improve their structures and functions, and their setting, installation, and electrical connection modes are only needed for those skilled in the art to perform debugging operations according to the requirements of their usage specifications, and therefore they are not described herein again.

In summary, when the calender for plastic products with adjustable roller spacing is used, firstly, the calender for plastic products with adjustable roller spacing is placed at a place to be used, the distance between the upper roller 1, the lower roller 3 and the middle roller 2 is adjusted according to the processing requirement, an operator starts the first motor 10 and the second motor 14, the first motor 10 drives the corresponding rotating rod 9 to rotate, the two rotating rods 9 synchronously rotate under the action of the transmission belt, the moving frame 7 moves relatively, the height of the lifting plate 8 is observed by observing the vertical scale 19, the height distance between the upper roller 1, the lower roller 3 and the middle roller 2 is adjusted, the second motor 14 drives the corresponding screw rod 15 to rotate, the two screw rod moving plates 15 synchronously rotate under the transmission action of the chain wheel 16 and the chain 17, the sliding block 12 and the sliding block 11 are driven to move, the position of the moving plate 11 is observed according to the matching of the pointer 21 and the horizontal scale 20, and (3) adjusting the horizontal distance between the upper roll 1 and the middle roll 2 and the lower roll 3, so as to adjust the distance between the upper roll 1 and the middle roll 2 and the distance between the lower roll 3 and the middle roll 2, and then performing calendaring operation on the plastic product by using the calender body.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A calender with adjustable roller spacing for plastic products comprises a calender body, wherein the calender body is provided with an upper roller (1), a middle roller (2) and a lower roller (3), and is characterized by further comprising a base (4), the top end of the base (4) is fixedly connected with two supporting columns (5), one ends, close to each other, of the two supporting columns (5) are respectively connected with a fixed block (6), the middle roller (2) is rotatably connected between the two fixed blocks (6), the supporting columns (5) are provided with two moving grooves, the inside of each moving groove is slidably connected with a moving frame (7), the moving frame (7) is fixedly connected with a lifting plate (8), the inside of each moving groove is rotatably connected with a rotating rod (9), the periphery of each rotating rod (9) is provided with two external threads with opposite rotating directions, and the moving frame (7) is in threaded connection with the rotating rod (9), connect through the transmission of drive belt between two bull sticks (9), first motor (10) are installed on the top of one support column (5) in two support columns (5), the output of first motor (10) and bull stick (9) fixed connection that corresponds, lifter plate (8) sliding connection has movable plate (11), go up roller (1) and lower roll (3) and rotate respectively and connect between two movable plates (11) that correspond, lifter plate (8) are connected with and are used for driving movable plate (11) to carry out the actuating mechanism who removes.

2. A calender for plastic products with adjustable roller spacing as claimed in claim 1, wherein the lifting plate (8) is provided with a sliding slot, and a sliding block (12) is slidably mounted inside the sliding slot, the moving plate (11) is fixedly connected with the corresponding sliding block (12) through a connecting plate (13), and the lifting plate (8) is provided with a connecting groove matched with the connecting plate (13).

3. A calender for plastic products with adjustable roller spacing according to claim 2, wherein the driving mechanism comprises a second motor (14), the second motor (14) is installed at the front end of the corresponding lifting plate (8), a screw (15) is rotatably connected inside the chute, the slide block (12) and the screw (15) are in threaded connection, and the two corresponding screws (15) are in transmission connection through a transmission component.

4. A calender for plastic products with adjustable roller spacing as claimed in claim 3, wherein the transmission component comprises two chain wheels (16), the rear end of the screw (15) is fixedly connected with a rotating shaft, the rear end of the rotating shaft passes through the lifting plate (8) and is fixedly connected with the corresponding chain wheel (16), and the two chain wheels (16) are in transmission connection through a chain (17).

5. A calender for plastic products with adjustable roller spacing according to claim 4, characterized in that the back ends of the two corresponding lifting plates (8) are connected with a protective cover (18), the rotating shaft and the protective cover (18) are rotatably connected, and the chain wheel (16) and the chain (17) are both positioned inside the protective cover (18).

6. A calender for plastic products with adjustable roller spacing according to claim 5, characterised in that the supporting column (5) is provided with vertical graduations (19).

7. A calender for plastic products with adjustable roller spacing as claimed in claim 6, wherein the lifting plate (8) is provided with a plurality of horizontal scales (20), and the top end of the moving plate (11) is connected with a pointer (21).

8. A calender for plastic products with adjustable roller spacing as claimed in claim 7, wherein the rotating rod (9) is fixedly sleeved with two limiting rings (22) on its periphery, and the transmission belt is located between the two limiting rings (22).