CN216182132U

CN216182132U - Automatic roll adjustment's three-roller plating press

Info

Publication number: CN216182132U
Application number: CN202122671113.2U
Authority: CN
Inventors: 陈邦敏; 陈晓微
Original assignee: Wenzhou Chaoxu Machinery Co ltd
Current assignee: Wenzhou Chaoxu Machinery Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to the field of calendaring equipment, and discloses an automatic distance-adjusting three-roller calender, which comprises a rack, three rollers and an extrusion die, wherein the three rollers are rotatably arranged on the rack and obliquely arranged from top to bottom; guide rails extending along the arrangement direction of the three rollers are arranged on the left side and the right side of the rack, roller mounting seats for mounting the rollers are arranged on the guide rails, the three rollers are respectively mounted on the respective roller mounting seats through bearings, and the mounting seats on the left side and the right side synchronously slide along the extension direction of the guide rails through power sources; a displacement sensor is arranged on the rack, the displacement sensor senses the displacement of the roller mounting seat, and a control system is also arranged; the utility model automatically adjusts the distance of the rollers according to the required thickness of the plate, and can adjust the speed of each point of the plate to be consistent, so that each roller keeps running in parallel, and the effects of simple operation and quick adjustment are achieved.

Description

Automatic roll adjustment's three-roller plating press

Technical Field

The utility model relates to the field of calendaring equipment, in particular to an automatic distance-adjusting three-roller calendaring machine.

Background

The three-roller calender consists of three cylindrical rollers with the diameter of 400-500 mm, the rollers are internally provided with sandwich structures, the surfaces of the rollers are plated with chrome and polished to a mirror surface or a super mirror surface in order to facilitate heating and cooling medium backflow, a plate just extruded from an extrusion die is high in temperature, and is calendered by the three-roller calender and is gradually cooled. Meanwhile, the machine also plays a certain role in traction, and the speed of each point of the plate is adjusted to be consistent, so that the flatness of the plate is ensured.

The thickness that panel formed need rely on the clearance between the adjacent roller to adjust, need lean on ordinary motor or hand formula to adjust among the prior art, the finished product is measured the thickness of panel after coming out, experience according to the past again, how much spacing distance need be adjusted to the relation calculation roller in the clearance between panel thickness and the roller, thereby adjust, or spacing adjustment between the roller is adjusted through worm gear speed reducer and is realized, just can roughly estimate how much distance still will adjust through adjusting the measurement extrusion panel thickness, this kind of troublesome poeration consumes manpower and materials, consequently, need a more easy operation, the three-roller calender of automatic distance adjustment.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a three-roller calender with automatic distance adjustment.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

due to the adoption of the technical scheme, the utility model has the remarkable technical effects that:

an automatic distance-adjusting three-roller calender comprises a rack, three rollers which are rotatably arranged on the rack, an extrusion die and a roller, wherein the three rollers are obliquely arranged from top to bottom; guide rails extending along the arrangement direction of the three rollers are arranged on the left side and the right side of the rack, roller mounting seats for mounting the rollers are arranged on the guide rails, the three rollers are respectively mounted on the respective roller mounting seats through bearings, and the mounting seats on the left side and the right side synchronously slide along the extension direction of the guide rails through power sources; the rack is provided with a displacement sensor, the displacement sensor senses the displacement of the roller mounting seat, the rack is further provided with a control system, the displacement sensor is connected with the control system and transmits displacement signals to the control system, and the control system calculates the gap between the adjacent rollers according to the position of the roller mounting seat and the displacement signals. The control system is a plc controller or other device capable of receiving the sensor signal and issuing a searching action command to the power source.

Preferably, the discharge port is oriented perpendicular to the inclined direction of the three rollers.

Preferably, the connecting lines of the central points of the rotating shafts of the three rollers on the same vertical plane form an included angle of 45 degrees with the horizontal line. At present, an oblique 45-degree three-roller arrangement mode is adopted, so that the distance of the plate entering the three rollers is greatly shortened, and the 45-degree press polish plate has small temperature deviation and more ideal press polish effect.

Preferably, the discharge port of the extrusion die is oriented obliquely downward at 45 °.

Preferably, the displacement sensor is a grating ruler sensor, and a main ruler installation surface of the grating ruler sensor is parallel to the motion direction of the guide rail.

Preferably, the grating scale sensor and the power source form a closed-loop servo system.

Preferably, the power source is a stepping motor or a servo motor, and the power source drives the roller mounting seat to move through gear and rack transmission or screw rod or worm and gear transmission.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: the three rollers of the three-roller calender are respectively arranged on the respective roller mounting seats through bearings, the mounting seats on the left side and the right side synchronously slide along the extension direction of the guide rail through the power source, and the rollers are driven by the displacement sensor and the controller through the power source to automatically adjust the distance, so that the formed thickness of a formed plate can be directly adjusted according to the gap between the rollers, the distance of the rollers can be automatically adjusted according to the required plate thickness, the speeds of all points of the plate can be adjusted to be consistent, all rollers can keep parallel operation, and the effects of simple operation and quick adjustment are achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a side view of the present invention.

The names of the parts indicated by the numerical references in the above figures are as follows: 10, a frame; 11. a roller; 12. a roller mounting seat; 13. a power source; 14. a guide rail; 15. a displacement sensor sense; 21. and (4) extruding the die.

Detailed Description

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

Examples

An automatic distance-adjusting three-roller calender is shown in figure 1-2, and comprises a frame 10, three rollers 11 which are rotatably arranged on the frame 10, an extrusion die 21 and a plurality of rollers, wherein the three rollers 11 are obliquely arranged from top to bottom, a discharge port of the extrusion die 21 is opposite to a position between any two adjacent rollers 11, and the direction of the discharge port is vertical to the oblique direction of the oblique arrangement of the three rollers 11; guide rails 14 extending along the arrangement direction of the three rollers 11 are arranged on the left side and the right side of the rack 10, roller mounting seats 12 for mounting the rollers 11 are arranged on the guide rails 14, the three rollers 11 are respectively mounted on the respective roller mounting seats 12 through bearings, and the mounting seats on the left side and the right side synchronously slide along the extension direction of the guide rails 14 through power sources 13; the machine frame 10 is provided with a displacement sensor 15, the displacement sensor 15 responds to the displacement of the roller mounting seat 12, and the machine frame is further provided with a control system, the displacement sensor 15 is connected with the control system and transmits a displacement signal to the control system, and the control system calculates the gap between the adjacent rollers 11 according to the position of the roller mounting seat 12 and the displacement signal. The three-roller plating press carries out the press polish of face from the melting plastics that the mould extruded, the cooling is stereotyped, play certain traction to panel, adjustment panel each point speed is unanimous, guarantee the straightness of panel, lower roll and well roller in the three-roller exert pressure to panel together, interval between two rollers can approximate the thickness of panel extrusion, if the three-roller type mode of arranging that stands vertically, when the mould extruded plastics, plastics can receive the influence of gravity and lead to plastics to paste on the lower roll just too early when not getting into roller clearance press light, lead to the deviation of panel temperature, and the slant is arranged and can be solved this kind of problem.

Lower roll and well roller in the three-roller exert pressure to panel together, and the thickness of panel extrusion can be similar to the interval between two rollers, uses step motor as the drive now, and closed loop control is done to the grating chi, and accurate measurement distance, precision reach 0.01mm, can realize that manual regulation distance also can carry out automatically regulated by the automatic settlement distance.

The orientation of the discharge port is perpendicular to the inclined direction of the three rollers 11.

The connecting line of the central points of the rotating shafts of the three rollers 11 on the same vertical plane forms an included angle of 45 degrees with the horizontal line.

The discharge port of the extrusion die 21 is directed obliquely downward at 45 °.

The displacement sensor 15 is a grating scale sensor, and the main scale mounting surface of the grating scale sensor is parallel to the moving direction of the guide rail 14.

The grating scale sensor and the power source 13 form a closed-loop servo system. The power source is a stepping motor or a servo motor, and the power source drives the roller mounting seat to move through gear and rack transmission or a lead screw or a worm and gear transmission belt. The transmission mode is the conventional technical scheme of personnel in the field, as long as can drive the linear motion of mount pad and can the accurate mode of opening and stopping. After the numerical control device sends out pulses, the servo drive motor rotates, and the rod barrel mounting seat is driven to lift along the guide rail through the transmission element. Meanwhile, displacement sensors arranged on two sides of the roller respectively record the current position of the roller and send out position signals, the position signals are transmitted to a control system to be compared with preset values and send out adjusting instructions to further adjust the position of the roller mounting seat through a transmission element, and the difference values are compared in real time in the process to control. And when the difference value is zero, the control system controls the roller mounting seat to stop moving.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. The utility model provides an automatic roll adjustment's three-roller plating press, includes frame and the rotatable three roller of installing in the frame, three roller is from last to down slant range, its characterized in that: the device also comprises an extrusion die, wherein a discharge hole of the extrusion die is directly opposite to the space between any two adjacent rollers; guide rails extending along the arrangement direction of the three rollers are arranged on the left side and the right side of the rack, roller mounting seats for mounting the rollers are arranged on the guide rails, the three rollers are respectively mounted on the respective roller mounting seats through bearings, and the mounting seats on the left side and the right side synchronously slide along the extension direction of the guide rails through power sources; the rack is provided with a displacement sensor, the displacement sensor senses the displacement of the roller mounting seat, the rack is further provided with a control system, the displacement sensor is connected with the control system and transmits displacement signals to the control system, and the control system calculates the gap between the adjacent rollers according to the position of the roller mounting seat and the displacement signals.

2. An automatically distance-adjusting three-roll calender according to claim 1, characterized in that: the orientation of the discharge port is mutually vertical to the inclined directions of the three rollers.

3. An automatically distance-adjusting three-roll calender according to claim 1, characterized in that: the connecting line of the central points of the rotating shafts of the three rollers on the same vertical plane forms an included angle of 45 degrees with the horizontal line.

4. An automatically distance-adjusting three-roll calender according to claim 1, characterized in that: the discharge port of the extrusion die faces downwards 45 degrees in an inclined mode.

5. An automatically distance-adjusting three-roll calender according to claim 1, characterized in that: the displacement sensor is a grating ruler sensor, and the main ruler installation surface of the grating ruler sensor is parallel to the motion direction of the guide rail.

6. An automatically distance-adjusting three-roll calender according to claim 5, characterized in that: the grating ruler sensor and the power source form a closed loop servo system.

7. An automatically distance-adjusting three-roll calender according to claim 6, characterized in that: the power source is a stepping motor or a servo motor, and the power source drives the roller mounting seat to move through gear and rack transmission or a lead screw or a worm and gear transmission belt.