CN113043510A - Static electricity removing device and manufacturing equipment of polyolefin film/sheet with same - Google Patents
Static electricity removing device and manufacturing equipment of polyolefin film/sheet with same Download PDFInfo
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- CN113043510A CN113043510A CN202110324361.1A CN202110324361A CN113043510A CN 113043510 A CN113043510 A CN 113043510A CN 202110324361 A CN202110324361 A CN 202110324361A CN 113043510 A CN113043510 A CN 113043510A
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- polyolefin film
- sheet
- static electricity
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- forming cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of polyolefin film/sheet manufacturing, and particularly relates to an improvement on the structure and arrangement of co-extrusion type polyolefin film/sheet manufacturing equipment. The invention arranges a polyolefin film/sheet manufacturing device consisting of a polyolefin film/sheet manufacturing mechanism, a temperature changing mechanism, a cooling channel, a winding drum and the like, a static removing device and the like on one side of the polyolefin film/sheet manufacturing device, and the winding drum is completely arranged in the magnetic field produced by the static electricity removing device, the winding drum is utilized to roll up the finished polyolefin film/sheet produced by the polyolefin film/sheet producing mechanism, and the finished polyolefin film/sheet after being reeled is completely placed in a changing magnetic field generated by a magnetic field generating device, meanwhile, static electricity and free charges on the finished polyolefin film/sheet in the magnetic field are led out by using a static electricity leading-out mechanism, so that the aim of removing the static electricity and the free charges on the polyolefin film/sheet is fulfilled.
Description
Technical Field
The invention belongs to the technical field of polyolefin film/sheet manufacturing, and particularly relates to an improvement on the structure and arrangement of co-extrusion type polyolefin film/sheet manufacturing equipment.
Background
Static electricity is a charge in a static state. Static electricity can attract two relatively thin objects together, and for some films/sheets, the presence of static electricity can directly affect the separation of the two objects. Static electricity and free charges generate current when moving in a magnetic field, and the static electricity or the free charges are usually removed by using the technology in the prior art.
Static electricity is generated in the manufacturing process of polyolefin films/sheets, the static electricity directly adsorbs two adjacent films or sheets together, and the films or sheets adsorbed together by the static electricity are difficult to separate.
After the polyolefin film/sheet is manufactured, the surface of the polyolefin film/sheet of the finished product is subjected to static elimination according to the requirement of the application. In the prior art, the process of removing static electricity from a polyolefin film/sheet mainly comprises the steps of coating a static electricity removing agent on the surface of the polyolefin film/sheet, and electrifying the polyolefin film/sheet coated with the static electricity removing agent, so as to achieve the purpose of removing static electricity. Although the purpose of eliminating the static electricity on the surface of the polyolefin film/sheet is achieved by coating the static electricity remover on the surface of the polyolefin film/sheet and electrifying, the method modifies the polyolefin film/sheet to further cause the change of the characteristics of the polyolefin film/sheet material, and the change of the material characteristics directly influences the service life and the use effect of the polyolefin film/sheet, so that the removal of the static electricity on the surface of the finished polyolefin film/sheet is particularly important.
Disclosure of Invention
The invention aims to provide a static electricity eliminating device, equipment for manufacturing a polyolefin film/sheet with the static electricity eliminating device and a technology for eliminating static electricity existing on the surface of the manufactured finished polyolefin film/sheet by using the equipment.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the static electricity removing device comprises magnetic field generating equipment, wherein the magnetic field generating equipment is used for manufacturing a variable magnetic field, the magnetic field manufactured by the magnetic field generating equipment is perpendicular to a product to be subjected to static electricity removing, completely covers the product to be subjected to static electricity removing, promotes static electricity and free charges on the product to be subjected to static electricity removing to move, and one side of the product to be subjected to static electricity removing is electrically connected with static electricity leading-out equipment.
In order to more clearly illustrate the invention, as a further optimization of the above scheme, the magnetic field generating device comprises a magnetic field generating mechanism, the magnetic field generating mechanism is arranged on one side of the product to be destaticized, the product to be destaticized is completely covered by the magnetic field produced by the magnetic field generating mechanism, a swinging mechanism is arranged on the magnetic field generating mechanism, the swinging mechanism causes the magnetic field generating mechanism to swing, and the swinging mechanism is arranged on the supporting framework.
As a further optimization of the above scheme, the static electricity leading-out device comprises a static electricity receiving mechanism, one end of the static electricity receiving mechanism is electrically connected with the product to be destaticized, and the other end of the static electricity receiving mechanism is electrically connected with the static electricity leading-out mechanism.
As a further optimization of the above solution, the static electricity derivation device further includes a static electricity detection mechanism, the static electricity detection mechanism is electrically connected to the static electricity receiving mechanism, and the static electricity detection mechanism is connected in parallel to the static electricity derivation mechanism.
The polyolefin film/sheet manufacturing equipment further comprises a polyolefin film/sheet manufacturing device, wherein the polyolefin film/sheet manufacturing device is used for manufacturing a finished polyolefin film/sheet, and the static removing device promotes static movement on the finished polyolefin film/sheet and leads out the static movement.
As a further optimization of the above, the polyolefin film/sheet making apparatus comprises a polyolefin film/sheet making mechanism, the polyolefin film/sheet manufacturing mechanism comprises a polyolefin film/sheet primary forming cavity and a polyolefin film/sheet pressing forming cavity which is arranged below the polyolefin film/sheet primary forming cavity and communicated with an outlet at the bottom of the polyolefin film/sheet primary forming cavity, the polyolefin film/sheet primary forming cavity is provided with a plurality of pressing channels which are not communicated with each other, the polyolefin film/sheet pressing forming cavity is internally provided with a forming channel communicated with each channel in the polyolefin film/sheet primary forming cavity, the pressing channel of the polyolefin film/sheet primary forming cavity and the forming channel of the polyolefin film/sheet pressing forming cavity are respectively provided with a pressing mechanism; a co-extrusion stub bar is arranged above the polyolefin film/sheet manufacturing mechanism, the co-extrusion stub bar is provided with a plurality of feeding cavities which are not communicated with each other, and each feeding cavity of the co-extrusion stub bar is respectively communicated with a pressing channel; and a first power mechanism is arranged on the side surface of the polyolefin film/sheet manufacturing mechanism, and the first power mechanism simultaneously drives the polyolefin film/sheet primary forming cavity and the pressing mechanism in the polyolefin film/sheet pressing forming cavity to move through a gear box.
As a further optimization of the above solution, the apparatus for producing polyolefin film/sheet further comprises a temperature changing mechanism, and the temperature changing mechanism is disposed at the joint of the polyolefin film/sheet primary molding chamber and the polyolefin film/sheet press molding chamber.
As a further optimization of the above scheme, the polyolefin film/sheet manufacturing device further comprises a cooling channel, one end of the cooling channel is communicated with an outlet at the bottom of the polyolefin film/sheet pressing cavity, and the other end of the cooling channel is placed in a magnetic field generated by the magnetic field generating part.
As a further optimization of the above solution, the device further comprises a winding drum for winding the finished polyolefin film/sheet, and the winding drum and the finished polyolefin film/sheet wound on the winding drum are completely placed in the magnetic field generated by the magnetic field generating mechanism.
The invention has the following beneficial effects:
1. the static electricity removing device comprises a magnetic field generating device, a static electricity leading-out device and the like, wherein the magnetic field generating mechanism is used for manufacturing a constantly changing magnetic field, so that free charges and static electricity in the magnetic field manufactured by the magnetic field generating mechanism move in the magnetic field, then the static electricity receiving mechanism is used for receiving the free charges and current generated by static electricity flow, the received current is transmitted to the static electricity leading-out mechanism through a lead, and finally the purpose of removing the static electricity and the free charges in the magnetic field is achieved.
2. The invention arranges the static removing device at one side of the polyolefin film/sheet manufacturing device by arranging the structures of the polyolefin film/sheet manufacturing device, the static removing device and the like which are composed of the results of the polyolefin film/sheet manufacturing device, the temperature changing device, the cooling channel, the winding drum and the like, and the winding drum is completely arranged in the magnetic field produced by the static electricity removing device, the winding drum is utilized to roll up the finished polyolefin film/sheet produced by the polyolefin film/sheet producing mechanism, and the finished polyolefin film/sheet after being reeled is completely placed in a changing magnetic field generated by a magnetic field generating device, meanwhile, static electricity and free charges on the finished polyolefin film/sheet in the magnetic field are led out by using a static electricity leading-out mechanism, so that the aim of removing the static electricity and the free charges on the polyolefin film/sheet is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic three-dimensional structure of the static discharge apparatus of the present invention;
FIG. 3 is a schematic three-dimensional structure of a polyolefin film/sheet making mechanism of the present invention;
FIG. 4 is a schematic three-dimensional view of the spool of the present invention;
fig. 5 is a schematic three-dimensional structure of a first power mechanism according to the present invention;
FIG. 6 is a flow chart of the static electricity removing process of the static electricity removing device of the present invention;
FIG. 7 is a flow chart of the static electricity removing process of the polyolefin film/sheet of the present invention.
Description of the drawings: 1-magnetic field generating equipment, 2-static electricity leading-out equipment, 3-polyolefin film/sheet manufacturing device, 11-magnetic field generating mechanism, 12-swinging mechanism, 13-supporting framework, 21-static electricity receiving mechanism, 22-static electricity leading-out mechanism, 23-static electricity detecting mechanism, 31-polyolefin film/sheet manufacturing mechanism, 32-polyolefin film/sheet primary forming cavity, 33-polyolefin film/sheet pressing forming cavity, 34-pressing mechanism, 35-co-extrusion material head, 36-temperature changing mechanism, 37-cooling channel, 38-winding drum, 39-first power mechanism, 111-magnetic field manufacturing plate, 112-insulating block, 113-connecting bracket, 114-connecting plate, 121-lifter, 122-a return spring, 211-a first electric connecting plate, 212-a second electric connecting plate, 213-a horizontal expansion device, 341-a first pressing roller, 342-a second pressing roller, 381-a roller, 382-a main shaft, 383-a guide soft plate, 384-a common motor, 385-a bearing with a seat, 391-a first gear, 392-a second gear, 393-a third gear, 394-an outer box body and 395-a driving motor.
Detailed Description
The present invention will be described in detail and with reference to preferred embodiments thereof, but the present invention is not limited thereto.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The terms "upper", "lower", "left", "right", "inner", "outer", and the like, refer to orientations or positional relationships based on orientations or positional relationships illustrated in the drawings or orientations and positional relationships that are conventionally used in the practice of the products of the present invention, and are used for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element being referred to 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 "vertical" and the like do not require absolute perpendicularity between the components, but may be slightly inclined. Such as "vertical" merely means that the direction is relatively more vertical and does not mean that the structure must be perfectly vertical, but may be slightly inclined.
In the description of the present invention, it is also to be noted that the terms "disposed," "mounted," "connected," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 2, the static electricity removing apparatus includes a magnetic field generating device 1, the magnetic field generating device 1 generates a varying magnetic field, the magnetic field generated by the magnetic field generating device 1 is perpendicular to the product to be removed, completely covers the product to be removed, and promotes the static electricity and free charge movement on the product to be removed, and one side of the product to be removed is electrically connected with a static electricity leading-out device 2.
In this embodiment, the work flow of the static electricity removing device is as follows: firstly, a product to be destaticized is placed in a coverage area of a magnetic field manufactured by a magnetic field generating device 1, a static electricity leading-out device 2 is electrically connected with the product to be destaticized, the magnetic field generating device 1 is used for manufacturing a changing magnetic field, static electricity and free charges on the product to be destaticized move in the direction vertical to a magnetic induction line in the changing magnetic field at the moment, current is formed in the moving process, and then the current is received and led out by the static electricity leading-out device 2.
In the embodiment, the static electricity removing device is provided with the magnetic field generating device 1, the static electricity leading-out device 2 and other structures, the magnetic field generating device 1 is used for generating a constantly changing magnetic field, so that free charges and static electricity in the magnetic field generated by the magnetic field generating device 1 move in the magnetic field, then the static electricity leading-out device 2 is used for receiving and leading out the free charges and current generated by static electricity flow, and finally the purpose of removing the static electricity and the free charges in the magnetic field is achieved.
In order to more clearly illustrate the invention, as a further optimization of the above scheme, the magnetic field generating device 1 includes a magnetic field generating mechanism 11, the magnetic field generating mechanism 11 is disposed on one side of the product to be destaticized, the product to be destaticized is completely covered by the magnetic field generated by the magnetic field generating mechanism 11, a swinging mechanism 12 is disposed on the magnetic field generating mechanism 11, the swinging mechanism 12 causes the magnetic field generating mechanism 11 to swing, and the swinging mechanism 12 is disposed on a supporting framework 13.
In the present embodiment, as shown in fig. 2, the magnetic field generating apparatus 1 includes the following structure: the structure comprises a magnetic field generating mechanism 11 consisting of two magnetic field manufacturing plates 111, two insulating blocks 112, two connecting brackets 113 and a connecting plate 114, a swing mechanism 12 consisting of two lifters 121 and two return springs 122, a supporting framework 13 and the like; the two magnetic field manufacturing plates 111 are oppositely arranged, a space for accommodating a product to be destaticized is formed between the two magnetic field manufacturing plates 111, and the two magnetic field manufacturing plates 111 are used for manufacturing a constantly changing magnetic field simultaneously, so that static electricity or free charges on the product to be destaticized can move in the constantly changing magnetic field in a direction perpendicular to the magnetic induction line. Simultaneously, an insulating block 112 is respectively arranged on the two magnetic field manufacturing plates 111, and then two ends of the two magnetic field manufacturing plates 111 are respectively connected with a connecting bracket 113; the bottom ends of the two connecting brackets 113 are fixedly connected with a connecting plate 114, then the power output ends of the two lifters 121 and one ends of the two return springs 122 are symmetrically arranged along the central axis of the other side surface of the connecting plate 114, and the two lifters 121 and the two return springs 122 are both fixed on the supporting framework 13, so that the magnetic field manufactured by the magnetic field manufacturing plate 111 has the function of swinging. Furthermore, the invention can achieve the effect of accelerating the static electricity on the product to be destaticized and accelerating the movement through the change of the magnetic field size and the change of the magnetic field direction, and finally achieve the purpose of improving the destaticizing efficiency and reducing the static electricity consumption.
It should be noted and clear that, in this embodiment, the method for generating the constantly changing magnetic field by the magnetic field generating plate is as follows: the magnetic induction coil is supplied with direct current or alternating current with constantly changing intensity, so that the magnetic field is constantly changed. The current intensity can be controlled by increasing the voltage or decreasing the resistance.
For example, the resistance value of the resistor can be increased by using a resistor made of a PTC material, and the resistance value of the resistor can be decreased by using a resistor made of an NTC material. The magnetic field producing plate 111 may be a plate magnet or a plate electromagnet
As a preferred embodiment, in the present embodiment, it is specifically clarified and explained that the purpose of providing the insulating block 112 on the side surface of the magnetic field generating plate and insulating the connecting bracket 113 from the magnetic field generating plate is to prevent the magnetic field generating plate of the present invention from generating a potential problem such as leakage when generating a magnetic field by using a current by virtue of such a design.
In the present embodiment, it is specifically stated and explained that the elevator 121 is composed of an elevator rod and an elevator pump. The lifting pump drives the lifting rod to do lifting motion.
For example, if the lift pump is a hydraulic pump, the lift lever is a hydraulic lever; if the lifting pump is an electric cylinder, the lifting rod is an electric push rod; if the lifting pump is an air compressor, the lifting rod is an air cylinder.
As a further optimization of the above solution, the static electricity leading-out device 2 includes a static electricity receiving mechanism 21, one end of the static electricity receiving mechanism 21 is electrically connected with the product to be destaticized, and the other end is electrically connected with a static electricity leading-out mechanism 22.
In the present embodiment, as shown in fig. 2, the static electricity discharge apparatus 2 includes the following structure: an electrostatic receiving mechanism 21 and an electrostatic leading-out mechanism 22 which are composed of a first electric plate 211, a second electric plate 212 and a horizontal expansion piece 213; the first and second current-carrying plates 211 and 212 are electrically connected to the static electricity discharge mechanism 22 at the same time by a wire; the first electric board 211 is fixed and insulated on the supporting frame 13 at one end of the magnetic field manufacturing board 111, the second electric board 212 is symmetrically arranged at the other end of the magnetic field manufacturing board 111 and allows the power output end of the horizontal expansion piece 213 to be insulated and connected with one side of the raw material electric board of the second electric board 212, and the horizontal expansion piece 213 is horizontally fixed on the supporting frame 13. When a product to be destaticized needs to be destaticized, the second charge plate 212 is horizontally pushed out through the horizontal expansion piece 213, so that the first charge plate 211 and the second charge plate 212 are simultaneously and electrically connected with the product to be destaticized, and then the current generated when the static electricity and the free charges on the product to be destaticized move in a changing magnetic field can be simultaneously received by the second charge plate 212 and the first charge plate 211 and is transmitted to the static electricity export mechanism 22 through a lead, and finally the current formed by the static electricity or the free charges is removed.
In this embodiment, it should be specifically noted and explained that the first and second power connection plates 211 and 212 may be made of a metal plate, an alloy plate, or a composite metal plate, one side of which is coated with an insulating coating and the other side of which is not coated with an insulating coating, and the other side of which is insulated. The static electricity leading-out mechanism 22 may be a device consuming current, such as a grounding strip or a light bulb.
In the preferred embodiment, it is specifically stated and explained that the horizontal expansion device 213 is composed of an expansion rod and a power pump.
For example, if the power pump is a hydraulic pump, the telescopic rod is a hydraulic rod; if the power pump is an electric cylinder, the telescopic rod is an electric push rod; if the power pump is an air compressor, the telescopic rod is an air cylinder.
As a further optimization of the above solution, the static electricity discharge apparatus 2 further comprises a static electricity detection mechanism 23, the static electricity detection mechanism 23 is electrically connected to the static electricity receiving mechanism 21, and the static electricity detection mechanism 23 is connected in parallel with the static electricity discharge mechanism 22.
In the present embodiment, the static electricity detection mechanism 23 is provided to effectively detect whether static electricity or free charges that have not been removed remain on the finished polyolefin film/sheet by the static electricity detection mechanism 23.
It should be particularly clear and explained that, as a preferred embodiment, in the present embodiment, the static electricity detecting portion can detect the current by using a sensitive current meter.
The polyolefin film/sheet manufacturing equipment further comprises a polyolefin film/sheet manufacturing device 3, wherein the polyolefin film/sheet manufacturing device 3 is used for manufacturing a finished polyolefin film/sheet, and the static removing device promotes static movement on the finished polyolefin film/sheet and leads out the static movement.
In this embodiment, as shown in fig. 1 to 5, the working process of the polyolefin film/sheet manufacturing apparatus is as follows: firstly, raw materials for manufacturing polyolefin films/sheets are introduced into a solar polyolefin film/sheet manufacturing device 3 to manufacture finished polyolefin films/sheets, the manufactured finished polyolefin films/sheets are placed in a covering area of a magnetic field manufactured by magnetic field generating equipment 1, static electricity leading-out equipment 2 is electrically connected with the finished polyolefin films/sheets, and the magnetic field generating equipment 1 is used for manufacturing a changed magnetic field; at this time, the static electricity and free charges on the finished polyolefin film/sheet move in the direction perpendicular to the magnetic induction line in the changing magnetic field, and form a current in the moving process, and the current is received and led out by the static electricity leading-out device 2.
In the present embodiment, as shown in fig. 1 to 5, the polyolefin film/sheet manufacturing apparatus is provided with the polyolefin film/sheet manufacturing device 3, the static electricity removing device, and other structures, and the static electricity removing device is arranged on one side of the polyolefin film/sheet manufacturing device 3, so that the finished polyolefin film/sheet is completely placed in the varying magnetic field produced by the static electricity removing device, and the static electricity and free charges on the finished polyolefin film/sheet in the magnetic field are removed by the static electricity removing mechanism 22, and finally, the purpose of removing the static electricity and free charges on the polyolefin film/sheet is achieved by the present invention.
As a further optimization of the above solution, the polyolefin film/sheet making device 3 comprises a polyolefin film/sheet making mechanism 31, and the polyolefin film/sheet making mechanism 31 comprises a polyolefin film/sheet primary forming cavity 32, and a polyolefin film/sheet press-forming cavity 33 disposed below the polyolefin film/sheet primary forming cavity 32 and communicating with the outlet at the bottom of the polyolefin film/sheet primary forming cavity 32; the polyolefin film/sheet primary molding cavity 32 is internally provided with a plurality of pressing channels which are not communicated with each other, and the polyolefin film/sheet pressing molding cavity 33 is internally provided with a molding channel which is communicated with each channel in the polyolefin film/sheet primary molding cavity 32; a pressing mechanism 34 is respectively arranged in the pressing channel of the polyolefin film/sheet primary forming cavity 32 and the forming channel of the polyolefin film/sheet pressing forming cavity 33; a co-extrusion stub bar 35 is arranged above the polyolefin film/sheet manufacturing mechanism 31, the co-extrusion stub bar 35 is provided with a plurality of feeding cavities which are not communicated with each other, and each feeding cavity of the co-extrusion stub bar 35 is respectively communicated with a pressing channel; a first power mechanism 39 is arranged on the side surface of the polyolefin film/sheet manufacturing mechanism 31, and the first power mechanism 39 simultaneously drives the polyolefin film/sheet primary forming cavity 32 and the pressing mechanism 34 in the polyolefin film/sheet pressing forming cavity 33 to move through a gear box.
In this embodiment, as shown in fig. 1, 3 and 5, the polyolefin film/sheet manufacturing apparatus 3 is configured by providing a polyolefin film/sheet manufacturing mechanism 31, a polyolefin film/sheet primary forming chamber 32, a polyolefin film/sheet press forming chamber 33, a press mechanism 34 composed of a plurality of first press rollers 341 and two second press rollers 342, a coextrusion head 35, and a first power mechanism 39 composed of three first gears 391, two second gears 392, two third gears 393, an outer case 394 and a drive motor 395; arranging a coextrusion head 35 provided with three feeding cavities on the polyolefin film/sheet manufacturing mechanism 31, respectively communicating the feeding cavities of the coextrusion head 35 with a pressing channel, simultaneously communicating a forming channel of a back plate forming cavity with the pressing channels, respectively installing a first pressing roller 341 in each pressing channel and installing two second pressing rollers 342 in each forming channel; the first gears 391 are horizontally arranged in parallel and meshed in a cavity of the outer box 394, the first gears 391 drive one first pressing roller 341 to rotate respectively, the two second gears 392 are horizontally arranged in parallel and meshed below the first gears 391, the two second gears 392 drive one second pressing roller 342 to rotate respectively, any one first pressing roller 341 is coaxially connected with one third gear 393, the other third gear 393 is coaxially arranged with any one second gear 392, the two third gears 393 are meshed with each other, any one third gear 393 is fixedly connected with a power output end of a driving motor 395, the driving motor 395 is fixedly arranged on the outer side face of the outer box 394, and the outer box 394 is fixed on the outer wall of the shell; the first gear 391, the second gear 392, and the third gear 393 are disposed within a cavity of the outer housing 394.
Through the design, a plurality of first pressing rollers 341 arranged in parallel are utilized to form a primary forming area in the polyolefin film/sheet primary forming cavity 32 and separately press raw materials provided by each feeding cavity in the extrusion stub bar, and then two second pressing rollers 342 in the polyolefin film/sheet pressing forming cavity 33 are utilized to integrally press each plate subjected to primary pressing forming in the polyolefin film/sheet primary forming cavity 32 and finally form a finished polyolefin film/sheet, so that the invention has the function of manufacturing the polyolefin film/sheet step by step, and effectively overcomes the technical defects that the bonding part is firm, gaps exist among layers, bubbles exist and the like when the polyolefin film/sheet is manufactured by a bonding method in the prior art.
Secondly, the first gears 391 are respectively connected with a first pressing roller 341, the second gears 392 are respectively connected with a second pressing roller 342, meanwhile, a third gear 393 is coaxially arranged on any one of the first gears 391, the other third gear 393 is coaxially arranged with any one of the second gears 392, the two third gears 393 are meshed with each other, and meanwhile, one third gear 393 is fixedly connected with the power output end of the driving motor 395, so that the purpose that each first pressing roller 341 and the two second pressing rollers 342 are simultaneously driven to rotate by one driving motor 395 is achieved.
As a preferred embodiment, in this embodiment, as shown in fig. 3 and 5, the side walls of two adjacent feeding cavities of the extrusion head extend to the upper surface of the first pressing roller 341 in the primary forming cavity 32 of the polyolefin film/sheet, and the side walls of the two adjacent feeding cavities of the extrusion head and the contact surface with the first pressing roller 341 are smooth surfaces; the raw materials provided in each feeding cavity can not directly flow into the adjacent cavity to cause the reduction of the quality of the finished product when the first pressing roller 341 performs primary forming on the polyolefin film/sheet.
As a further optimization of the above solution, the polyolefin film/sheet manufacturing apparatus 3 further includes a temperature changing mechanism 36, and the temperature changing mechanism 36 is disposed at the junction of the polyolefin film/sheet primary molding chamber 32 and the polyolefin film/sheet press molding chamber 33.
As shown in fig. 3, in the embodiment, the polyolefin film/sheet manufacturing apparatus 3 adds the temperature changing mechanism 36, and the temperature changing mechanism 36 is disposed at the contact position between the polyolefin film/sheet primary forming cavity 32 and the polyolefin film/sheet press-forming cavity 33, so that the present invention can heat or cool the product manufactured in the polyolefin film/sheet primary forming cavity 32 again, so that when the polyolefin film/sheet product is formed in the polyolefin film/sheet press-forming cavity 33, the raw material layers have a better bonding effect, which is beneficial to improving the forming quality of the finished polyolefin film/sheet.
It should be particularly clear and explained that, as a preferred embodiment, in the present embodiment, the temperature changing mechanism 36 may be an infrared heater, a microwave heater, or other conventional technologies or products.
As a further optimization of the above solution, the polyolefin film/sheet manufacturing apparatus 3 further comprises a cooling channel 37, wherein one end of the cooling channel 37 is communicated with the outlet at the bottom of the polyolefin film/sheet press-forming cavity 33, and the other end is placed in the magnetic field generated by the magnetic field generating part.
As shown in fig. 3, in the present embodiment, the polyolefin film/sheet manufacturing apparatus 3 adds the cooling channel 37, so that the polyolefin film/sheet finally press-formed in the polyolefin film/sheet press-forming cavity 33 has sufficient cooling space, and the finished polyolefin film/sheet is not bonded to each other due to complete cooling, which affects the quality of the finished product.
It can be further explained that, in order to enhance the cooling effect, the cooling channel 37 may be provided with a plurality of air holes, and an external device such as a fan is used to blow cold air into the channel from the air holes, so as to accelerate the cooling effect.
As a further optimization of the above solution, a reel 38 is further included, the reel 38 is used for reeling the finished polyolefin film/sheet, and the reel 38 and the finished polyolefin film/sheet reeled on the reel 38 are all completely placed in the magnetic field generated by the magnetic field generating mechanism 11.
In this embodiment, as shown in fig. 4, the polyolefin film/sheet manufacturing apparatus 3 is additionally provided with a winding drum 38 composed of a roller 381, a main shaft 382, a guiding soft plate 383, a common motor 384 and two seated bearings 385, the roller 381 is in interference fit with the main shaft 382, one end of the main shaft 382 is fixedly connected with a power output end of the common motor 384, one end of the guiding soft plate 383 is fixed with a side surface of the winding drum 38, the other end of the guiding soft plate 383 is provided with a guiding groove, the common motor 384 is fixedly arranged on the support frame 13, the two seated bearings 385 are symmetrically arranged on the main shaft 382 at two ends of the winding drum 38, and the two seated bearings 385 are both fixedly arranged at a top end of the support frame 13.
The roller 381 is in interference fit with the shaft body of the main shaft 382, two ends of the main shaft 382 are respectively provided with a bearing 385 with a seat, the bearing 385 with a seat is fixed at the top end of the supporting framework 13, and one end of the main shaft 382 is fixedly connected with the common motor 384, so that the invention can directly drive the winding drum 38 to automatically rotate and automatically wind the finished polyolefin film/sheet material through the common motor 384, and further the invention enhances the efficiency of winding the back plate. Meanwhile, a guiding soft board 383 is fixedly arranged on the winding drum 38, and a guiding groove arranged on the guiding soft board 383 is connected with the starting end of the finished polyolefin film/sheet, so that when the finished polyolefin film/sheet is wound, the finished polyolefin film/sheet can be rapidly and regularly guided and wound on the winding drum 38, and the working efficiency of the invention is further improved.
In this embodiment, it should be particularly clear and explained that, when the finished polyolefin film/sheet is wound up by using this embodiment, the rotation speed of the ordinary motor 384 is controlled so as not to cause the polyolefin film/sheet to break due to too fast or too slow rotation speed of the ordinary motor 384, thereby affecting the quality of the finished polyolefin film/sheet.
According to the scheme, the polyolefin film/sheet can be formed at one time by co-extruding the polyolefin film/sheet by the polyolefin film/sheet manufacturing device 3, and meanwhile, static electricity on the finished polyolefin film/sheet is removed by the static electricity removing device, so that the polyolefin film/sheet manufactured by the invention can effectively ensure the insulating function of the back of the solar electromagnetic plate when in use, and the purpose of protecting the solar cell panel is further achieved.
In this embodiment, as shown in fig. 6, the application of static electricity removal by the static electricity removal device includes, but is not limited to, removing static electricity or free charges on a product to be static electricity removed by the static electricity removal device. The static electricity removing device for removing static electricity comprises the following steps:
s1, placing products: the product to be destaticized is placed in the magnetic field coverage area made by the magnetic field making plate 111 such that the direction of the magnetic induction lines intersects with the side face of the product to be destaticized (as a preferred embodiment, it is best to make the direction of the magnetic induction lines perpendicular to the side face of the product to be destaticized).
The placement has the advantage that when the surface of the product to be destaticized is destaticized, the static electricity or free charges can rapidly move in the magnetic field so as to achieve the purpose of destaticizing or removing the free charges.
S2, electrically connecting the static electricity receiving mechanism 21 with the product to be destaticized and manufacturing a variable magnetic field: after the placement of the product to be destaticized is completed, the horizontal expansion piece 213 is used to horizontally push out the second electric plate 212 towards the first electric plate 211, and the point conductive surface of the second electric plate 212 and the conductive surface of the first electric plate 211 are simultaneously electrically connected with the surface of the product to be destaticized, and simultaneously the first electric plate 211 and the second electric plate 212 are both electrically connected with the static electricity leading-out mechanism 22, and after the above steps are completed, the magnetic field manufacturing plate 111 is used to manufacture a changing magnetic field (the magnetic field intensity is continuously increased or decreased).
The electrostatic receiving mechanism 21 comprising the first electrode plate 211, the horizontal expansion piece 213 and the second electrode plate 212 has the advantages that the electrostatic receiving mechanism can remove static electricity or free charges on products to be destaticized with different specifications, and simultaneously remove free charges with different electric properties carried on the products to be destaticized.
S3, static electricity removal: after the magnetic field manufacturing plate 111 generates a changing magnetic field, the static electricity and free charges on the surface of the product to be destaticized move in the changing magnetic field due to the action of the lorentz force and form a current, and at this time, the first and second electric connection plates 211 and 212 electrically connected with the surface of the product to be destaticized receive and lead out the current.
S4, detection: in step 3, after the current generated by the movement of static electricity or free charges is received by the electrical connection plate, the static electricity detection mechanism 23 electrically connected to both the first electrical connection plate 211 and the second electrical connection plate 212 and connected in parallel with the static electricity derivation mechanism 22 detects that the current is received by the electrical connection plate in the store, and if the static electricity detection mechanism 23 has a display result, it is proved that the static electricity or free charges on the product to be destaticized have not been removed, and if no detection result exists, it is proved that the removal has been completed.
In the present embodiment, as shown in fig. 7, the application of removing static electricity from the finished polyolefin film/sheet by using the polyolefin film/sheet manufacturing apparatus provided with the static electricity removing device described above includes, but is not limited to, the application of manufacturing the finished polyolefin film/sheet by using the polyolefin film/sheet manufacturing apparatus. The method for manufacturing the finished polyolefin film/sheet by using the polyolefin film/sheet manufacturing equipment comprises the following steps:
s1, coextruded polyolefin film/sheet manufacture: the molten back plate manufacturing raw material is discharged into each pressing channel in the polyolefin film/sheet primary forming cavity 32 from each chamber of the co-extrusion stub bar 35 for primary forming, the product after primary forming in the polyolefin film/sheet primary forming cavity 32 is subjected to temperature change through a temperature change mechanism arranged between the polyolefin film/sheet primary forming cavity 32 and the polyolefin film/sheet pressing cavity 33 and enters the forming channel of the polyolefin film/sheet pressing forming cavity 33 for pressing to form a polyolefin film/sheet product, the polyolefin film/sheet product is cooled through the cooling channel 37 to form a finished polyolefin film/sheet which is not subjected to static electricity removal, and the finished polyolefin film/sheet which is not subjected to static electricity removal is connected with the guide soft plate 383 on the winding drum 38.
S2, static electricity removal of the finished polyolefin film/sheet: the process of removing static electricity of the finished polyolefin film/sheet adopts the process of removing static electricity by the static electricity removing device, so the details are not repeated herein.
S3, final product collection: after the finished polyolefin film/sheet is processed in step S2, the common motor 384 is turned on, and the common motor 384 rotates the roller 381 and collects the finished polyolefin film/sheet connected to the guide soft plate 383 onto the roller 381.
It is noted that, in this embodiment, another implementation may also be provided as follows: s1, coextruded polyolefin film/sheet manufacture: discharging back plate manufacturing raw materials in a molten state from each chamber of the coextrusion stub bar 35 into each pressing channel in the polyolefin film/sheet primary forming cavity 32 for primary forming, changing the temperature of the product after primary forming in the polyolefin film/sheet primary forming cavity 32 through a temperature change mechanism arranged between the polyolefin film/sheet primary forming cavity 32 and the polyolefin film/sheet pressing cavity 33, pressing the product into the forming channel of the polyolefin film/sheet pressing forming cavity 33 to form a polyolefin film/sheet product, cooling the polyolefin film/sheet product through the cooling channel 37 to form a finished polyolefin film/sheet which is not subjected to static electricity removal, connecting the finished polyolefin film/sheet which is not subjected to static electricity removal with the guide soft plate 383 on the winding drum 38, starting a common motor 384, the common motor 384 rotates the roller 381 and collects the finished polyolefin film/sheet connected to the guide soft plate 383 onto the roller 381.
S2, static electricity removal of the finished polyolefin film/sheet: the process of removing static electricity of the finished polyolefin film/sheet adopts the process of removing static electricity by the static electricity removing device, so the details are not repeated herein.
As a further illustration of the present invention, the finished polyolefin film/sheet manufactured by the foregoing embodiments can be used to manufacture a solar back panel, wherein the solar back panel can also be manufactured by the apparatus for manufacturing the finished polyolefin film/sheet described by the foregoing embodiments. The specific manufacturing process can be realized by referring to the method described in the previous embodiment of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Static-removing device, its characterized in that:
the static electricity removing device comprises a magnetic field generating device (1), wherein the magnetic field generating device (1) is used for manufacturing a variable magnetic field, the magnetic field manufactured by the magnetic field generating device (1) is perpendicular to a product to be subjected to static electricity removing, completely covers the product to be subjected to static electricity removing, promotes static electricity and free charges on the product to be subjected to static electricity removing to move, and one side of the product to be subjected to static electricity removing is electrically connected with a static electricity leading-out device (2).
2. The static discharge apparatus according to claim 1, wherein:
the magnetic field generating equipment (1) comprises a magnetic field generating mechanism (11), wherein the magnetic field generating mechanism (11) is arranged on one side of a product to be destaticized, the magnetic field manufactured by the magnetic field generating mechanism (11) completely coats the product to be destaticized, a swinging mechanism (12) is arranged on the magnetic field generating mechanism (11), the swinging mechanism (12) enables the magnetic field generating mechanism (11) to swing, and the swinging mechanism (12) is arranged on a supporting framework (13).
3. The static discharge apparatus according to claim 1, wherein:
the static electricity leading-out equipment (2) comprises a static electricity receiving mechanism (21), one end of the static electricity receiving mechanism (21) is electrically connected with a product to be destaticized, and the other end of the static electricity receiving mechanism is electrically connected with a static electricity leading-out mechanism (22).
4. A static discharge apparatus according to claim 3, characterized in that:
the static electricity leading-out equipment (2) further comprises a static electricity detection mechanism (23), the static electricity detection mechanism (23) is electrically connected with the static electricity receiving mechanism (21), and the static electricity detection mechanism (23) is connected with the static electricity leading-out mechanism (22) in parallel.
5. An apparatus for manufacturing polyolefin film/sheet comprising the static eliminating device according to any one of claims 1 to 4, wherein: the device also comprises a polyolefin film/sheet manufacturing device (3), wherein the polyolefin film/sheet manufacturing device (3) is used for manufacturing a finished polyolefin film/sheet, and the static removing device promotes the static on the finished polyolefin film/sheet to move and lead out.
6. The apparatus for making polyolefin film/sheet as claimed in claim 5, wherein:
the polyolefin film/sheet manufacturing device (3) comprises a polyolefin film/sheet manufacturing mechanism (31), the polyolefin film/sheet manufacturing mechanism (31) comprises a polyolefin film/sheet primary forming cavity (32), a polyolefin film/sheet pressing forming cavity (33) communicated with an outlet at the bottom of the polyolefin film/sheet primary forming cavity (32) is arranged below the polyolefin film/sheet primary forming cavity (32), a plurality of pressing channels which are not communicated are arranged in the polyolefin film/sheet primary forming cavity (32), a forming channel communicated with each channel in the polyolefin film/sheet primary forming cavity (32) is arranged in the polyolefin film/sheet pressing forming cavity (33), and the pressing channels of the polyolefin film/sheet primary forming cavity (32) and the forming channels of the polyolefin film/sheet pressing forming cavity (33) are respectively provided with A pressing mechanism (34);
a co-extrusion material head (35) is arranged above the polyolefin film/sheet manufacturing mechanism (31), the co-extrusion material head (35) is provided with a plurality of feeding cavities which are not communicated with each other, and all the feeding cavities of the co-extrusion material head (35) are respectively communicated with a pressing channel;
the side surface of the polyolefin film/sheet manufacturing mechanism (31) is provided with a first power mechanism (39), and the first power mechanism (39) simultaneously drives the polyolefin film/sheet primary forming cavity (32) and the pressing mechanism (34) in the polyolefin film/sheet pressing forming cavity (33) to move through a gear box.
7. The apparatus for making polyolefin film/sheet as claimed in claim 6, wherein:
the polyolefin film/sheet manufacturing device (3) further comprises a temperature change mechanism (36), wherein the temperature change mechanism (36) is arranged at the joint of the polyolefin film/sheet primary forming cavity (32) and the polyolefin film/sheet press forming cavity (33).
8. The apparatus for making polyolefin film/sheet as claimed in claim 6, wherein:
the polyolefin film/sheet manufacturing device (3) further comprises a cooling channel (37), one end of the cooling channel (37) is communicated with an outlet at the bottom of the polyolefin film/sheet pressing forming cavity (33), and the other end of the cooling channel is placed in a magnetic field generated by the magnetic field generating part.
9. The apparatus for producing polyolefin film/sheet according to any one of claims 6-8, wherein:
the device also comprises a winding drum (38), wherein the winding drum (38) is used for winding the finished polyolefin film/sheet, and the winding drum (38) and the finished polyolefin film/sheet wound on the winding drum (38) are completely placed in the magnetic field produced by the magnetic field generating mechanism (11).
10. Use of the static electricity removing method of the static electricity removing device according to any one of claims 1 to 4 or the polyolefin film/sheet manufacturing equipment according to any one of claims 5 to 9 for static electricity removing of polyolefin films/sheets.
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| CN202110324361.1A CN113043510A (en) | 2021-03-26 | 2021-03-26 | Static electricity removing device and manufacturing equipment of polyolefin film/sheet with same |
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| CN202110324361.1A CN113043510A (en) | 2021-03-26 | 2021-03-26 | Static electricity removing device and manufacturing equipment of polyolefin film/sheet with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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