CN216996963U

CN216996963U - Synchronous pressing device for film stretching

Info

Publication number: CN216996963U
Application number: CN202220761406.1U
Authority: CN
Inventors: 朱云淼; 庹睿
Original assignee: Foshan Shunde Jingwei Science And Technology Co ltd
Current assignee: Foshan Shunde Jingwei Science And Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-19
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to a synchronous pressing device for film stretching, which comprises: the device comprises a control module, a fixed steel roller, a sliding rubber roller and a sliding support; the sliding brackets are respectively arranged at two ends of the sliding rubber roll and are in sliding connection with the end points of the sliding rubber roll; the fixed steel roller is fixed below the sliding rubber roller and is aligned with the sliding rubber roller; the sliding support is provided with an electric cylinder, a lead screw of the electric cylinder is fixedly connected with the sliding rubber roll, and the control module is respectively electrically connected with the electric cylinders on the sliding support at two ends to synchronously control the lifting height of the lead screw. The scheme provided by the utility model can more stably stretch the film and improve the stretching quality of the film.

Description

Synchronous pressing device for film stretching

Technical Field

The utility model relates to the technical field of film stretching, in particular to a synchronous pressing device for film stretching.

Background

In the traditional film processing process, the original processing equipment pushes a rubber roller through a cylinder, compresses the film through the rubber roller, and rotates the steel roller, so that the film is stretched; however, the equipment compresses the film by controlling the movement of the rubber roller through the cylinder, and causes such as non-precision and unstable output controlled by the cylinder, so that the two ends of the rubber roller cannot be accurately and synchronously pressed down when pressed down, the film cannot be compressed, and the stretching quality of the film is finally influenced.

Therefore, how to synchronously press and compress the film at the two ends of the rubber roller is a technical problem to be solved by technical personnel at present.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art, the utility model provides a synchronous pressing device for film stretching, which can enable a sliding rubber roller to completely press a film, so that the film can be stretched more stably, and the film stretching quality is improved.

In order to achieve the above object, the present invention mainly adopts the following technical solutions to provide a synchronous pressing device for stretching a film, including:

the device comprises a control module, a fixed steel roller, a sliding rubber roller and a sliding support; the sliding brackets are respectively arranged at two ends of the sliding rubber roll and are in sliding connection with the end points of the sliding rubber roll; the fixed steel roller is fixed below the sliding rubber roller and is aligned with the sliding rubber roller; the sliding support is provided with an electric cylinder, a lead screw of the electric cylinder is fixedly connected with the sliding rubber roll, and the control module is respectively electrically connected with the electric cylinders on the sliding support at two ends to synchronously control the lifting height of the lead screw.

Preferably, the sliding support comprises a fixed frame and a sliding block, and the sliding block is arranged in the fixed frame and is connected with the frame edge of the fixed frame in a sliding manner.

Preferably, both ends of the fixed steel roller are provided with connecting components, and the connecting components are provided with rotating through holes; wherein, this coupling assembling and this fixed frame's underframe fixed connection, and the tip cover of this fixed steel roller is in this rotation through-hole, rotates with this coupling assembling and is connected.

Preferably, the sliding block comprises a sliding top part and a sliding bottom part, wherein the end point of the sliding rubber roller is fixed on the sliding bottom part and is rotatably connected with the sliding bottom part.

Preferably, a back pressing steel roller is arranged right above the sliding rubber roller, and the back pressing steel roller is aligned with and tangent to the sliding rubber roller; wherein, the both ends of this back of body steel roll of pressing all fix on this slip top, rotate with this slip top and be connected.

Preferably, the electric cylinder is fixed on the top of the fixed frame, and the arrangement direction of the lead screw is perpendicular to the axis of the sliding rubber roller; wherein, the end of the lead screw is fixed on the sliding block.

Preferably, one end of the fixed steel roller is provided with a power motor, and a rotating shaft of the power motor is in key connection with the fixed steel roller to control the rotation of the fixed steel roller.

Preferably, a pressure sensor is further arranged on the lead screw, and the pressure sensor is in communication connection with the control module; the pressure sensor is positioned at the joint of the lead screw and the sliding rubber roller and used for detecting the thrust output by the electric cylinder.

Preferably, a speed reducing motor is further arranged beside the power motor, a first synchronous gear is arranged on a rotating shaft of the power motor, a second synchronous gear is arranged on a rotating shaft of the speed reducing motor, and the first synchronous gear is in key connection with the second synchronous gear.

Preferably, the power motor is a servo motor.

The technical scheme provided by the utility model can have the following beneficial effects:

according to the utility model, after a control module is electrically connected with an electric cylinder on a sliding support, the sliding support is respectively arranged at two ends of a sliding rubber roll, then a fixed steel roll is fixed under the sliding rubber roll and is aligned with the sliding rubber roll, and meanwhile, the sliding rubber roll is fixed in the sliding support, so that the sliding support can be in sliding connection with an end point of the sliding rubber roll, the sliding rubber roll can slide up and down on the sliding support, and finally, the electric cylinders on the sliding supports at two sides are controlled by the control module to synchronously press down by utilizing the high-precision characteristic of the electric cylinders, so that the sliding rubber roll is pressed down on the fixed steel roll to tightly press a film; the sliding rubber film is pressed down accurately, so that the sliding rubber roller can completely press the film, the film can be stretched more stably, and the stretching quality of the film is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

FIG. 1 is a schematic structural diagram of a synchronous pressing device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a sliding support according to an embodiment of the present invention;

in the figure: the device comprises a control module-10, a fixed steel roller-20, a connecting assembly-21, a rotating through hole-22, a power motor-23, a first synchronous gear-24, a sliding rubber roller-30, a sliding bracket-40, an electric cylinder-41, a screw rod-42, a fixed frame-43, a sliding block-44, a sliding top-441, a sliding bottom-442, a back pressing steel roller-50, a pressure sensor-60, a speed reducing motor-70 and a second synchronous gear-71.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly and completely apparent, the technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention. Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that, although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. 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.

Traditional film stretching equipment can't realize accurate synchronous pushing down when pushing down, and then can't compress tightly the film, finally influences the tensile quality of film.

In view of the above problems, embodiments of the present invention provide a synchronous pressing device for film stretching, which can enable a sliding rubber roller to completely press a film, so that the film can be stretched more stably, and the film stretching quality is improved.

The technical solutions of the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a synchronous pressing device according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a sliding bracket according to an embodiment of the present invention.

Referring to fig. 1 and 2, the synchronous pressing apparatus for stretching a film includes:

the device comprises a control module 10, a fixed steel roller 20, a sliding rubber roller 30 and a sliding support 40; the sliding supports 40 are respectively arranged at two ends of the sliding rubber roll 30, and the sliding supports 40 are in sliding connection with the end points of the sliding rubber roll 30; the fixed steel roller 20 is fixed below the sliding rubber roller 30, and the fixed steel roller 20 is aligned with the sliding rubber roller 30; the sliding support 40 is provided with an electric cylinder 41, a lead screw 42 of the electric cylinder 41 is fixedly connected with the sliding rubber roller 30, and the control module 10 is respectively electrically connected with the electric cylinders 41 on the sliding support 40 at two ends to synchronously control the lifting height of the lead screw 42.

Specifically, the sliding bracket 40 includes a fixed frame 43 and a sliding block 44, and the sliding block 44 is disposed in the fixed frame 43 and is slidably connected to a frame edge of the fixed frame 43.

Specifically, both ends of the fixed steel roller 20 are provided with connecting assemblies 21, and the connecting assemblies 21 are provided with rotating through holes 22; wherein, coupling assembling 21 with fixed frame 43's underframe fixed connection, just the tip cover of fixed steel roll 20 in rotating through-hole 22, with coupling assembling 21 is connected with rotating.

Specifically, the sliding block 44 includes a sliding top 441 and a sliding bottom 442, wherein the end of the sliding rubber roller 30 is fixed on the sliding bottom 442 and is rotatably connected to the sliding bottom 442.

Specifically, a back pressing steel roller 50 is further arranged right above the sliding rubber roller 30, and the back pressing steel roller 50 is aligned with and tangent to the sliding rubber roller 30; wherein, both ends of the back pressing steel roller 50 are fixed on the sliding top part 441 and are rotatably connected with the sliding top part 441.

Specifically, the electric cylinder 41 is fixed on the top of the fixed frame 43, and the setting direction of the lead screw 42 is perpendicular to the axis of the sliding rubber roller 30; the end of the lead screw 42 is fixed to the slide block 44.

Specifically, one end of the fixed steel roller 20 is provided with a power motor 23, and a rotating shaft of the power motor 23 is connected with the fixed steel roller 20 in a key mode to control the rotation of the fixed steel roller 20.

Specifically, a pressure sensor 60 is further disposed on the lead screw 42, and the pressure sensor 60 is in communication connection with the control module 10; the pressure sensor 60 is located at a connection position of the lead screw 42 and the sliding rubber roller 30, and is used for detecting the thrust output by the electric cylinder 41.

Specifically, a speed reducing motor 70 is further arranged beside the power motor 23, a first synchronizing gear 24 is arranged on a rotating shaft of the power motor 23, a second synchronizing gear 71 is arranged on the rotating shaft of the speed reducing motor 70, and the first synchronizing gear 24 is in key connection with the second synchronizing gear 71.

Specifically, the power motor 23 is a servo motor.

Example one

In this embodiment, in order to solve the problem that the rubber roller cannot be synchronously pressed down and overcome the problems of non-precision and unstable output of the air cylinder, in this embodiment, after the control module is electrically connected with the electric cylinders on the sliding bracket, the sliding bracket is respectively arranged at two ends of the sliding rubber roller, the fixed steel roller is fixed under the sliding rubber roller and aligned with the sliding rubber roller, and the sliding rubber roller is fixed in the sliding bracket, so that the sliding bracket can be in sliding connection with the end point of the sliding rubber roller, so that the sliding rubber roller can slide up and down on the sliding bracket, and finally, by using the characteristic of high precision of the electric cylinders, the electric cylinders on the sliding brackets at two sides are controlled by the control module to synchronously press down the sliding rubber roller onto the fixed steel roller, so as to tightly press the film, so as to realize the pressing precision of the sliding rubber roller, the film is completely pressed by the sliding rubber roller, so that the film can be stretched more stably, and the stretching quality of the film is improved.

In order to embody the above-described structure, the slide holder is provided as a holder including a fixed frame and a slide block, and the slide block is provided in the fixed frame so as to slide on the frame side of the fixed frame, thereby achieving a sliding connection between the slide block and the frame side. Meanwhile, in the embodiment, the two ends of the fixed steel roller are provided with connecting assemblies, the connecting assemblies are provided with rotating through holes, the connecting assemblies are fixedly connected to the bottom frame of the fixed frame, the end parts of the fixed steel roller are sleeved in the rotating through holes, the fixed steel roller is rotatably connected with the connecting assemblies, and when the film is tightly pressed by the sliding rubber roller and the fixed steel roller, the film is stretched by rotating the fixed steel roller. It should be noted that, in order to refine the above embodiment, the electric cylinder is fixed on the top of the fixed frame, the setting direction of the lead screw is set to be perpendicular to the axis of the sliding rubber roller, the tail end of the lead screw is fixed on the sliding block, and the electric cylinder pulls the sliding block, so that the lifting of the sliding rubber roller is controlled.

It is worth noting that the electric cylinder is a product which is specially used for continuous movement, low to high load (usually high speed), and can be recycled for a plurality of times in the service life, has extremely high positioning precision and controllability, and can realize accurate movement control under the condition of loading of several kilograms to 50 tons; in the aspect of body size, the electric cylinder is smaller, a precise ball or roller screw is used for replacing a hydraulic system, the electric cylinder is driven by an external motor and a gearbox and is directly connected with a motor for driving an actuator, the electromechanical system does not need a heavy pump, an energy accumulator, an oil tank and a pipeline, hydraulic oil is not needed, the electric cylinder has the advantages of safety and environmental protection, and the fire hazard, pollution or personal injury risk related to leakage and overflow can be eliminated; in addition, the electric cylinder is also less noisy than the hydraulic drive. In terms of performance, the electric cylinder operates at an increased speed and power range, provides greater positional accuracy, can maintain precise tolerances throughout long term operation, and is based on accepted rolling element bearing technology for its moving parts. In control, the electric cylinder does not need to be independently provided with a control valve and related hardware, and can be easily integrated into an electronic control system of equipment to realize linkage; in addition, the method has the advantages of quick response, excellent accuracy and repeatability and the like, can simplify the programming of complex motion, and can enable the equipment to quickly adapt to different process requirements.

It should also be noted that the sliding connection in the present application refers to a connection manner that enables one component to slide relative to another component, the connection manner does not cause the components to be separated from each other, and the structure between the components is stable; the rotary connection in the application of the utility model refers to a connection mode that one component and the other component can rotate relatively, and the meaning of the connection mode is similar to that of hinging, but the rotary connection in the embodiment is that the connecting component is a constant and fixed component, the fixed steel roller is a component which rotates continuously, and the rotary connection between the fixed steel roller and the fixed component is realized by rotating the fixed steel roller; in addition, it should be noted that the slide rubber roller and the slide block are also connected in a rotating manner in this example.

Example two

In the present embodiment, in order to solve the above-mentioned problems of how to implement the rotational connection, the sliding connection, and the like, the present embodiment further provides a specific technical solution; the sliding block is arranged into a sliding top part and a sliding bottom part, the sliding rubber roller is rotatably connected to the sliding bottom part by fixing the end point of the sliding rubber roller on the sliding bottom part, and the electric cylinder can conveniently push the sliding rubber roller to press down, so that the film is compressed by combining a fixed steel roller; it should also be noted that the sliding rubber roller has the characteristic of being soft, that is, the rubber roller can be bent when meeting pressure, which is not beneficial to stretching the film; but the rubber roller can well adhere to the film and cannot be abandoned; therefore, in order to solve the above-mentioned obstacles, in this example, a back pressing steel roller is further arranged right above the sliding rubber roller, and by aligning and tangency the back pressing steel roller and the sliding rubber roller, when encountering pressure, the back pressing steel roller prevents the rubber roller from deforming; in addition, both ends of the back pressing steel roller are fixed on the sliding top and are also in rotating connection with the sliding top so as to be convenient to apply.

It should be further noted that, in order to provide rotation power to the fixed steel roller automatically, in this example, a power motor is further disposed at one end of the fixed steel roller, and the power motor provides power required by rotation of the fixed steel roller by key-connecting a rotation shaft of the power motor with the fixed steel roller; wherein, in order to improve the accuracy of automatically controlled, this motor power is servo motor.

It is worth noting that in the process of using the traditional film stretching equipment, the sliding rubber roll has the problems of left and right pressing asynchronism, unbalance and the like in the pressing process, and after pressing, pressure fluctuation can occur due to the influence of the air cylinder on the pressure, so that effective closed-loop control is not formed at the output end of the air cylinder and the stressed end of the rubber roll, namely if the equipment breaks down, the feedback and adjustment cannot be timely and effectively carried out, and the use and the control of an operator are not facilitated; therefore, in the embodiment, the pressure sensor is arranged on the screw rod, the pressure sensor is in communication connection with the control module, the control module receives a signal sent by the pressure sensor, the stress of the sliding rubber roller is determined, and the pushing and pressing force output of the electric cylinder is accurately controlled, so that effective closed-loop control is realized, and the problems are solved; the pressure sensor is arranged at the connecting part of the screw rod and the sliding rubber roller, and the output thrust of the electric cylinder detected by the pressure sensor is obtained at the connecting part.

It should also be noted that, in order to prevent the occurrence of an emergency, the rotating speed of the power motor can be effectively controlled to decrease rapidly, for this reason, a speed reducing motor is arranged beside the power motor, a first synchronizing gear is arranged on the rotating shaft of the power motor, a second synchronizing gear is arranged on the rotating shaft of the speed reducing motor, the first synchronizing gear and the second synchronizing gear are connected in a key manner, and when the emergency occurs, the rotating speed of the power motor is rapidly decreased by the speed reducing motor.

The aspects of the utility model have been described in detail hereinabove with reference to the drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required by the utility model. In addition, it can be understood that the steps in the method according to the embodiment of the present invention may be sequentially adjusted, combined, and deleted according to actual needs, and the structure in the device according to the embodiment of the present invention may be combined, divided, and deleted according to actual needs.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A synchronous compression device for film stretching, comprising:

the device comprises a control module, a fixed steel roller, a sliding rubber roller and a sliding support;

the sliding supports are respectively arranged at two ends of the sliding rubber roll and are in sliding connection with the end points of the sliding rubber roll; the fixed steel roller is fixed below the sliding rubber roller and is aligned with the sliding rubber roller;

the electric lifting device comprises a sliding support, a control module, a sliding rubber roller and an electric cylinder, wherein the sliding support is provided with the electric cylinder, a lead screw of the electric cylinder is fixedly connected with the sliding rubber roller, the control module is respectively electrically connected with the electric cylinder on the sliding support at two ends, and the lifting height of the lead screw is synchronously controlled.

2. The synchronous pressing device for stretching the thin film as claimed in claim 1, wherein the sliding support comprises a fixed frame and a sliding block, the sliding block is arranged in the fixed frame and is connected with the frame edge of the fixed frame in a sliding manner.

3. The synchronous pressing device for stretching the thin film as claimed in claim 2, wherein connecting assemblies are arranged at both ends of the fixed steel roller, and a rotating through hole is arranged on each connecting assembly; wherein, coupling assembling with fixed frame's underframe fixed connection, just the tip cover of fixed steel roller is in rotate the through-hole, with coupling assembling rotates to be connected.

4. The synchronous pressing device for stretching the thin film as claimed in claim 2, wherein the sliding block comprises a sliding top and a sliding bottom, and the end point of the sliding rubber roller is fixed on the sliding bottom and is rotatably connected with the sliding bottom.

5. The synchronous pressing device for film stretching as claimed in claim 4, wherein a back pressing steel roller is further arranged right above the sliding rubber roller, and the back pressing steel roller is aligned with and tangent to the sliding rubber roller; and the two ends of the back pressing steel roller are fixed on the sliding top and are rotatably connected with the sliding top.

6. The synchronous pressing device for film stretching as claimed in claim 2, wherein said electric cylinder is fixed on the top of said fixed frame, and the direction of said lead screw is perpendicular to the axis of said sliding rubber roller; wherein, the end of the lead screw is fixed on the sliding block.

7. The synchronous compacting device for film stretching as claimed in claim 1, wherein a power motor is provided at one end of the fixed steel roller, and a rotating shaft of the power motor is connected with the fixed steel roller in a key manner to control the rotation of the fixed steel roller.

8. The synchronous pressing device for film stretching as claimed in claim 1, wherein a pressure sensor is further disposed on the lead screw, and the pressure sensor is in communication connection with the control module; the pressure sensor is positioned at the joint of the lead screw and the sliding rubber roller and used for detecting the thrust output by the electric cylinder.

9. The synchronous pressing device for stretching the thin film as claimed in claim 7, wherein a speed reduction motor is further disposed beside the power motor, a first synchronous gear is disposed on a rotating shaft of the power motor, a second synchronous gear is disposed on a rotating shaft of the speed reduction motor, and the first synchronous gear is connected with the second synchronous gear in a key manner.

10. The synchronous pressing device for film stretching according to any one of claims 7 or 9, wherein said power motor is a servo motor.