CN218754031U - Coiled material tensioning mechanism - Google Patents
Coiled material tensioning mechanism Download PDFInfo
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- CN218754031U CN218754031U CN202223219993.0U CN202223219993U CN218754031U CN 218754031 U CN218754031 U CN 218754031U CN 202223219993 U CN202223219993 U CN 202223219993U CN 218754031 U CN218754031 U CN 218754031U
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- tensioning
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- coiled material
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Abstract
The utility model belongs to the technical field of automation equipment, in particular to a coiled material tensioning mechanism, which comprises a frame, a winding wheel, a sliding seat and a tensioning assembly; the tensioning assembly capable of straightening the coiled material is composed of the air cylinder and the air tank, air pressure in the air tank is kept constant, the air cylinder is communicated with the air tank to increase the volume of compressible air, when a piston rod of the tensioning air cylinder is acted by other external force, the piston rod of the tensioning air cylinder moves towards the rear side direction, the piston rod of the tensioning air cylinder extrudes the air in the tensioning air cylinder, and the extrusion of the air in the tensioning air cylinder is equivalent to the extrusion of the air in the air tank due to the fact that a cavity in the tensioning air cylinder is communicated with a cavity in the air tank; the quantitative gas in the closed container has smaller variation of the extruded gas and smaller variation of the gas pressure value, so that the force applied to the piston rod of the tensioning cylinder before and after extrusion can be kept constant, the thrust stability of the piston rod of the tensioning cylinder is improved, and the thrust applied to the coiled material is always kept constant.
Description
Technical Field
The utility model belongs to the technical field of automation equipment, especially, relate to a tensioning mechanism of coiled material.
Background
In the production or processing of a web (e.g., a film web or the like), a guide roller is generally used to guide and unwind the web so that the web can be smoothly conveyed.
In the conveying process of the coiled material, the coiled material needs to be pulled to move to a proper position in the process because various types of processing are required to be carried out on the coiled material; after the coiled material is stressed, a piston rod of an air cylinder for providing thrust for the coiled material slides inwards, and in the process of inwards moving the piston rod of the air cylinder, because the air in the air cylinder is compressed, the pressure applied to the piston rod of the air cylinder is increased, so that the thrust applied to the coiled material is increased; the thrust before and after the piston rod of cylinder is bulldozed is different, in this process, can lead to the thrust that the coiled material received to change, influences the machining precision of coiled material easily, influences product quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent tension mechanism aims at solving the coiled material among the prior art and influences the technical problem of coiled material machining precision because of the tension change of coiled material in transportation process.
In order to achieve the above object, an embodiment of the present invention provides a coiled material tensioning mechanism, including:
a machine base;
the winding wheel is rotatably connected to the machine base and used for storing coiled materials;
the sliding seat is connected to the base in a sliding mode and is connected with a first roller in a rotating mode; and
the tensioning assembly comprises a tensioning air cylinder, an air tank and an electromagnetic valve; the tensioning cylinder with the gas pitcher all fixed connection in on the frame, the piston rod of tensioning cylinder with the slide is connected, the tensioning cylinder pass through the solenoid valve with the intercommunication is realized to the gas pitcher.
Optionally, a ratio of the internal volume of the tensioning cylinder to the internal volume of the gas tank ranges from 0.001 to 0.05.
Optionally, at least two tensioning cylinders are provided; each tensioning cylinder all with the gas pitcher intercommunication, and each tensioning cylinder's piston rod all with the slide is connected.
Optionally, a sliding table is arranged on the base, a sliding rail and a guide convex edge are arranged on the sliding table, the lower end of the sliding base is connected to the sliding rail and the guide convex edge in a sliding mode respectively, and the first roller is arranged at the upper end of the sliding base.
Optionally, be equipped with the tablet on the slide, one side of slide rail is equipped with position sensor in order to be used for detecting the position of tablet.
Optionally, the coil tensioning mechanism further comprises a hold-down assembly; the pressing assembly comprises a mounting plate, an upper pressing plate, a lower pressing plate and a pressing cylinder; the mounting panel fixed connection in on the frame, holding down plate fixed connection in on the mounting panel, the top board activity is located the upside of holding down plate is so that the coiled material process the top board with between the holding down plate, it locates to compress tightly the cylinder the upside and the fixed connection of mounting panel in on the mounting panel, compress tightly the piston rod of cylinder with the top board is connected and is used for the drive the top board up-and-down motion.
Optionally, two second rollers are rotatably connected to the mounting plate, and the two second rollers are respectively arranged on the front side and the rear side of the lower pressing plate and used for conveying the coiled material.
Alternatively, the coiled material tensioning mechanism also comprises a winding motor; the winding motor is arranged on the machine base, and an output shaft of the winding motor is in transmission connection with the winding wheel and is used for driving the winding wheel to rotate.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the coiled material straining device have one of following technological effect at least: the tensioning assembly capable of straightening the coiled material is composed of the air cylinder and the air tank, air pressure in the air tank is kept constant, the air cylinder is communicated with the air tank to increase the volume of compressible air, when a piston rod of the tensioning air cylinder is acted by other external force, the piston rod of the tensioning air cylinder moves towards the rear side direction, the piston rod of the tensioning air cylinder extrudes the air in the tensioning air cylinder, and the extrusion of the air in the tensioning air cylinder is equivalent to the extrusion of the air in the air tank due to the fact that a cavity in the tensioning air cylinder is communicated with a cavity in the air tank; the quantitative gas in the closed container has smaller variation of the extruded gas and smaller variation of the gas pressure value, so that the force applied to the piston rod of the tensioning cylinder before and after extrusion can be kept constant, the thrust stability of the piston rod of the tensioning cylinder is improved, the thrust applied to the coiled material is always kept constant, and the precision is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions 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 the drawings without inventive labor.
Fig. 1 is a schematic structural view of a coil tensioning mechanism provided by an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a coil tensioning mechanism according to an embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
10-base 11-sliding table 12-sliding rail
13-guide convex edge 20-winding wheel 30-sliding seat
31-first roller 32-sensing plate 33-position sensor
40-tensioning assembly 41-tensioning cylinder 42-gas tank
50-pressing component 51-mounting plate 52-upper pressure plate
53-lower press plate 54-pressing cylinder 55-second roller
60-winding motor 100-coiled material.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be illustrative of the embodiments of the present invention, but should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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 embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1-2, a coil tensioning mechanism is provided, which can be used in a pole piece and tab processing device. Specifically, the web tensioning mechanism includes a stand 10, a take-up reel 20, a carriage 30, and a tensioning assembly 40.
Wherein a take-up wheel 20 is rotatably connected to the stand 10 and is used to store the roll 100.
The sliding base 30 is connected to the machine base 10 in a sliding manner, the sliding base 30 is connected to a first roller 31 in a rotating manner, the first roller 31 is used for conveying the coiled material 100, the coiled material 100 passes through the first roller 31 after coming out of the take-up wheel 20 and then is conveyed to other stations, and when the coiled material 100 coming out of the take-up wheel 20 is in a straightened state.
Wherein a tensioning assembly 40 is used for adjusting the tension of the web 100, the tensioning assembly 40 comprises a cylinder 41, a gas tank 42 and a solenoid valve (not shown). The air cylinder 41 and the air tank 42 are both fixedly connected to the machine base 10, a piston rod of the air cylinder 41 is connected with the sliding seat 30, and the air cylinder 41 is communicated with the air tank 42 through an electromagnetic valve. It should be understood that the volume in the gas tank 42 is larger than the volume in the gas cylinder 41, and the gas pressure in the gas tank 42 can be adjusted to increase or decrease the gas pressure in the gas tank 42 by increasing the number of moles of gas in a certain volume according to the requirement; the electromagnetic valve works to communicate the air tank 42 with the rear side air port of the air cylinder 41, the air in the air tank 42 enters the air cylinder 41 and pushes the piston rod of the air cylinder 41 to move forward, so that the sliding base 30 is pushed to enable the first roller 31 to straighten the coiled material 100, and the coiled material 100 is at a proper tension after being straightened.
In the embodiment of the present invention, the tensioning assembly 40 capable of straightening the coiled material 100 is composed of the air cylinder 41 and the air tank 42, the air pressure in the air tank 42 is kept constant, the air cylinder 41 is communicated with the air tank 42 to increase the volume of the compressible air, when the piston rod of the tensioning air cylinder 41 is acted by other external forces, the piston rod of the tensioning air cylinder 41 moves towards the rear side direction, the piston rod of the tensioning air cylinder 41 extrudes the air in the tensioning air cylinder 41, because the cavity in the tensioning air cylinder 41 is communicated with the cavity in the air tank 42, the air in the tensioning air cylinder 41 is equivalent to the air in the extruding air tank 42 (in the prior art, because the overall air volume of the air cylinder and the air pipe connected with the air cylinder is smaller, after the piston rod of the air cylinder is compressed inwards, the air change amount in the air cylinder is large, and the acting force applied to the inward compression is larger); in the quantitative gas in the closed container, the smaller the variation of the extruded gas is, the smaller the variation of the gas pressure value is, therefore, the force applied to the piston rod of the tensioning cylinder 41 before and after extrusion can be kept constant, thereby improving the thrust stability of the piston rod of the tensioning cylinder 41, keeping the thrust applied to the coiled material constant all the time and improving the precision.
In another embodiment of the present invention, the ratio of the internal volume of the tensioning cylinder 41 to the internal volume of the gas tank 42 of the coil tensioning mechanism ranges from 0.001 to 0.05. Specifically, when the internal gas volume of the tensioning cylinder 41 is 50mL, the internal gas volume of the gas tank 42 is 50L, and the ratio is 1; when the internal gas volume of the tensioning cylinder 41 is 500mL, the internal gas volume of the gas tank 42 is 50L, and the ratio is 1; when the internal gas volume of the tensioning cylinder 41 is 2.5L, the internal gas volume of the gas tank 42 is 50L, and the ratio is 1.
In another embodiment of the present invention, at least two tensioning cylinders 41 of the coil tensioning mechanism are provided; each tensioning cylinder 41 communicates with the gas tank 42, and the piston rod of each tensioning cylinder 41 is connected with the slider 30. A plurality of tensioning cylinders 41 are arranged, and the sliding seat 30 is pushed by each tensioning cylinder 41, so that the sliding seat 30 is stressed more stably.
In the utility model discloses a another embodiment is equipped with slip table 11 on this coiled material straining device's the frame 10, is equipped with slide rail 12 and the protruding edge of direction on the slip table 11, and slide 30's lower extreme difference sliding connection is on slide rail 12 and the protruding edge of direction to improve slide 30's slip stationarity, slide 30's upper end is equipped with first roller 31.
In another embodiment of the present invention, a slide 30 of the coil tensioning mechanism is provided with a sensing plate 32, and one side of the slide rail 12 is provided with a position sensor 33 for detecting the position of the sensing plate 32. The slide 30 moves to drive the induction plate 32 to move, when the induction plate 32 moves to one side of the position sensor 33, the position sensor 33 induces the induction plate 32 and generates an electric signal, so that the function of detecting the position of the slide 30 by the sensor is realized, and the position of the slide 30 is fed back in real time.
In another embodiment of the present invention, the coil tensioning mechanism further comprises a hold down assembly 50. The hold-down assembly 50 includes a mounting plate 51, an upper platen 52, a lower platen 53, and a hold-down cylinder 54. The mounting plate 51 is fixedly connected to the machine base 10, the lower pressing plate 53 is fixedly connected to the mounting plate 51, the upper pressing plate 52 is movably arranged on the upper side of the lower pressing plate 53 so that the coiled material 100 passes between the upper pressing plate 52 and the lower pressing plate 53, the pressing cylinder 54 is arranged on the upper side of the mounting plate 51 and is fixedly connected to the mounting plate 51, and a piston rod of the pressing cylinder 54 is connected to the upper pressing plate 52 and is used for driving the upper pressing plate 52 to move up and down. The pressing cylinder 54 drives the upper pressing plate 52 to move towards the direction close to the lower pressing plate 53, the upper pressing plate 52 and the lower pressing plate 53 are matched to clamp the coiled material 100, and the coiled material 100 stops being conveyed; meanwhile, the stability of the coiled material 100 can be enhanced after the coiled material 100 is pressed, the situation that the coiled material 100 deviates after being pulled is avoided, and the stability of the coiled material 100 is further improved.
In another embodiment of the present invention, two second rollers 55 are rotatably connected to the mounting plate 51 of the coil tensioning mechanism, and the two second rollers 55 are respectively disposed at the front side and the rear side of the lower pressing plate 53 for conveying the coil 100. Wherein, the lowest end of one of the second rollers 55 and the highest end of the other second roller 55 are disposed on the same horizontal plane, so as to swing the coil 100 to a horizontal position, which facilitates the cooperation and clamping of the upper pressing plate 52 and the lower pressing plate 53.
In another embodiment of the present invention, the coil tensioning mechanism further comprises a winding motor 60. The winding motor 60 is arranged on the machine base 10, and an output shaft of the winding motor 60 is in transmission connection with the winding wheel 20 and is used for driving the winding wheel 20 to rotate. The winding motor 60 works to drive the winding wheel 20 to rotate, so that the coiled material 100 is stored or released.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A web tensioning mechanism, comprising:
a machine base;
the winding wheel is rotatably connected to the machine base and used for storing coiled materials;
the sliding seat is connected to the base in a sliding mode and is connected with a first roller in a rotating mode; and
the tensioning assembly comprises a tensioning air cylinder, an air tank and an electromagnetic valve; the tensioning cylinder with the gas pitcher all fixed connection in on the frame, the piston rod of tensioning cylinder with the slide is connected, the tensioning cylinder passes through the solenoid valve with the gas pitcher realizes the intercommunication.
2. The coil tensioning mechanism according to claim 1, wherein: the ratio of the internal volume of the tensioning cylinder to the internal volume of the gas tank ranges from 0.001 to 0.05.
3. The coil tensioning mechanism according to claim 1, wherein: at least two tensioning cylinders are arranged; each tensioning cylinder all with the gas pitcher intercommunication, and each tensioning cylinder's piston rod all with the slide is connected.
4. The coil tensioning mechanism according to claim 1, wherein: the roller guide device is characterized in that a sliding table is arranged on the base, a sliding rail and a guide convex edge are arranged on the sliding table, the lower end of the sliding seat is respectively connected with the sliding rail and the guide convex edge in a sliding mode, and the upper end of the sliding seat is provided with the first roller.
5. The coil tensioning mechanism according to claim 4, wherein: be equipped with the tablet on the slide, one side of slide rail is equipped with position sensor in order to be used for detecting the position of tablet.
6. The coil tensioning mechanism according to any one of claims 1 to 5, wherein: the coiled material tensioning mechanism further comprises a pressing assembly; the pressing assembly comprises a mounting plate, an upper pressing plate, a lower pressing plate and a pressing cylinder; the mounting panel fixed connection in on the frame, holding down plate fixed connection in on the mounting panel, the top board activity is located the upside of holding down plate is so that the coiled material process the top board with between the holding down plate, it locates to compress tightly the cylinder the upside and the fixed connection of mounting panel in on the mounting panel, compress tightly the piston rod of cylinder with the top board is connected and is used for the drive the top board up-and-down motion.
7. The coil tensioning mechanism according to claim 6, wherein: the mounting plate is rotatably connected with two second rollers, and the two second rollers are respectively arranged on the front side and the rear side of the lower pressing plate and used for conveying coiled materials.
8. The coil tensioning mechanism according to any one of claims 1 to 5, wherein: the coiled material tensioning mechanism also comprises a winding motor; the winding motor is arranged on the machine base, and an output shaft of the winding motor is in transmission connection with the winding wheel and is used for driving the winding wheel to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223219993.0U CN218754031U (en) | 2022-11-30 | 2022-11-30 | Coiled material tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223219993.0U CN218754031U (en) | 2022-11-30 | 2022-11-30 | Coiled material tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218754031U true CN218754031U (en) | 2023-03-28 |
Family
ID=85678734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223219993.0U Active CN218754031U (en) | 2022-11-30 | 2022-11-30 | Coiled material tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218754031U (en) |
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2022
- 2022-11-30 CN CN202223219993.0U patent/CN218754031U/en active Active
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