CN209937459U

CN209937459U - Flat vulcanizing machine and vulcanizing equipment for manufacturing rubber-covered air filter screen

Info

Publication number: CN209937459U
Application number: CN201920504651.2U
Authority: CN
Inventors: 蒋敏弟
Original assignee: KUNSHAN IRONEAGLE RUBBER PRODUCTS Co Ltd
Current assignee: KUNSHAN IRONEAGLE RUBBER PRODUCTS Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-14
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a curing press and curing equipment for rubber air filter screen preparation of borduring, substrate and bottom suspension piece in the shaping earlier, then glue through the film stock with it and unite together, formed rubber and bordured, and formed elastic rubber ring and lower elastic rubber ring in order to compress tightly metal mesh piece at the in-process that forms rubber bordures to the cope match-plate pattern clamping ring and the lower bolster clamping ring of current injection mold have been replaced. The utility model discloses do not have the inhomogeneous problem of pressurized, can not lead to partial metal mesh piece week circle excessive pressure, also can not lead to partial metal mesh piece week circle pressure not enough to the excessive glue phenomenon of leading to has been solved owing to seal not. The utility model discloses the production volume greatly increased of at every turn shaping has improved production machining efficiency, has reached reduction in production cost's purpose, and metal mesh's filter area obtains increasing to the air permeability has been increased.

Description

Flat vulcanizing machine and vulcanizing equipment for manufacturing rubber-covered air filter screen

Technical Field

The utility model belongs to the technical field of air filter screen production technique and specifically relates to a manufacturing method, dull and stereotyped vulcanizer and the curing equipment of rubber bordure air filter screen.

Background

The rubber-covered air filter screen is usually applied to dust cover filter screens of electric tools, common electric tools comprise electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact electric drills, concrete vibrators, electric planes and the like, and the dust cover filter screen is an important component part for filtering dust and dust because the use environment of the electric tools is severe. At present, a rubber-covered air filter screen usually comprises a metal mesh (such as a stainless steel mesh) and a rubber covered edge, and the production and processing technology is as follows: firstly, a plurality of metal meshes are positioned in an injection mould, the positions of the peripheries of the metal meshes, which are close to the edges, are pressed by an upper template pressing ring and a lower template pressing ring of the injection mould so as to prevent rubber materials from entering the centers of the metal meshes and blocking meshes in the injection process, then the rubber materials are injected into a cavity and coated on the peripheries of the metal meshes outside the upper template pressing ring and the lower template pressing ring, and the metal meshes and rubber are injection-molded together. However, the production process has a plurality of problems:

1. a plurality of metal mesh pieces are arranged in an injection mold, the problem of uneven compression exists, the periphery of part of the metal mesh pieces can be overpressured, and the metal mesh pieces are deformed, so that the strength of a filter screen is damaged, the periphery of part of the metal mesh pieces can be insufficiently compressed, an upper template compression ring and a lower template compression ring cannot be sealed, and the phenomenon of glue overflow can be caused.

2. In order to ensure that several metal meshes are uniformly pressed, the production capacity per injection molding is limited, i.e. the production process is inefficient, leading to increased costs.

3. Because metal mesh piece border is compressed tightly by cope match-plate pattern clamp ring and lower bolster clamping ring and is sealed, the clamping ring can destroy metal mesh piece's mesh, leads to finished product rubber to bordure the inboard and can form a closed ring, and this part area will not play filtering capability after the shaping, that is to say that pressurized area has taken up metal mesh piece's filter area to air permeability has been reduced.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a vulcanizing press and curing equipment for rubber air filter screen preparation of borduring.

The technical scheme of the utility model is realized like this:

a flat vulcanizing machine for manufacturing a rubber-covered air filter screen comprises a vulcanizing mold, wherein the vulcanizing mold comprises an upper mold plate, a middle mold plate and a lower mold plate, the upper mold plate is arranged on an upper mold of the flat vulcanizing machine, the lower mold plate is arranged on a lower mold of the flat vulcanizing machine, a plurality of upper substrate cavities are arranged on the upper mold plate, a plurality of lower substrate cavities which are in one-to-one correspondence with the upper substrate cavities are arranged on the lower mold plate, upper substrate cores which are in one-to-one correspondence with the upper substrate cavities are arranged on the upper surface of the middle mold plate, lower substrate cores which are in one-to-one correspondence with the lower substrate cavities are arranged on the lower surface of the middle mold plate, and the flat vulcanizing machine further comprises a driving mechanism which is used for moving the middle mold plate out of; when the upper template, the middle template and the lower template are sequentially closed, the upper template and the middle template are used for semi-vulcanizing and forming an upper substrate, and an upper elastic rubber ring is formed on the upper substrate, the middle template and the lower template are used for semi-vulcanizing and forming a lower substrate, and lower elastic rubber rings corresponding to the upper elastic rubber rings are formed on the lower substrate; the driving mechanism moves the middle template out of the position between the upper template and the lower template, when the upper template loaded with the upper substrate and the lower template loaded with the lower substrate are matched, a raw rubber sheet ring with a metal mesh sheet is clamped between the upper substrate and the lower substrate, the upper elastic rubber ring and the lower elastic rubber ring are butted and pressed against the metal mesh sheet, and the upper template and the lower template are used for carrying out secondary vulcanization on the upper elastic rubber ring and the upper substrate, the raw rubber sheet ring and the lower substrate outside the lower elastic rubber ring, so that the upper substrate, the raw rubber sheet ring and the lower substrate are connected together in an adhesive manner and are coated on the periphery of the metal mesh sheet, and the rubber edge-covered air filter screen is formed.

The utility model provides a curing equipment for preparation of rubber bordure air filter screen, is including the vulcanizing press that is used for preparation of rubber bordure air filter screen and the dull and stereotyped pressfitting machine that is used for pressfitting metal mesh piece and crude film circle, dull and stereotyped pressfitting machine includes the pressfitting mould, the pressfitting mould includes top board, blowing board and bottom plate, the top board is installed on dull and stereotyped pressfitting machine's the last mould, the bottom plate is installed on dull and stereotyped pressfitting machine's lower mould, the top board with all be formed with a plurality of guide pillars on the bottom plate, be formed with on the blowing board with the guide hole of guide pillar one-to-one, form a plurality of location crude film circle of location and metal mesh piece's locating lever on the blowing board, form on the top board with the hole is kept away in.

Furthermore, a plurality of material holes are formed on the material placing plate, a plurality of metal net sheets and raw film rings can be placed and positioned in each material hole, and the raw film rings are connected with each other to form a large-piece material.

The ejection jig comprises a lower support plate and an ejection plate, guide posts matched with the guide holes in the material discharging plate are formed on the lower support plate and the ejection plate, a plurality of ejector rods opposite to the raw rubber sheet rings on the material discharging plate are formed on the ejection plate, through holes for avoiding the ejector rods are formed in the material discharging plate, and the material discharging plate is spaced from the lower support plate by a set distance when being placed on the lower support plate in a positioning mode.

The rubber material jig comprises an upper rubber material plate and a lower rubber material plate, rubber material through holes are formed in the upper rubber material plate and the lower rubber material plate, and the upper rubber material plate and the lower rubber material plate can slide relative to each other, so that the rubber material through holes in the lower rubber material plate and the rubber material through holes in the upper rubber material plate are relatively communicated or staggered.

The utility model has the advantages that:

the utility model provides a vulcanizing press and curing equipment for preparation of rubber bordure air filter screen, this vulcanizing press's cope match-plate pattern, well template and lower bolster, can be used to half vulcanization shaping upper substrate and bottom piece earlier, then glue upper substrate and bottom piece together through the film stock, formed rubber bordure, and formed upper elastic rubber ring and lower elastic rubber ring in the process of forming rubber bordure in order to compress tightly metal mesh piece, thereby replaced the upper template clamping ring and the lower bolster clamping ring of current injection mould, because upper elastic rubber ring and lower elastic rubber ring have elasticity, the inhomogeneous problem of pressurization that it does not exist can not lead to partial metal mesh piece border to be excessive pressure, thereby solved metal mesh piece deformation, destroy the problem of filter screen intensity; the pressure on the periphery of part of the metal mesh sheet is not insufficient, so that the glue overflow phenomenon caused by the sealing failure is avoided. The problem of uneven compression of the metal mesh is fundamentally solved, so that the production capacity of each molding is greatly increased, the production and processing efficiency is improved, and the aim of reducing the production cost is fulfilled. This go up elastic rubber ring and lower elastic rubber ring and in it not the half-done sizing material of secondary vulcanization can follow the finished product after the shaping and tear, and can not destroy metal mesh's mesh, consequently, can not bordure the inboard at rubber and form the closed loop, compare with the filter area of current rubber metal mesh of borduring air filter screen, the utility model discloses the filter area of the metal mesh of vulcanizing press and the preparation of vulcanization equipment obtains increasing to the air permeability has been increased.

Drawings

FIG. 1 is a schematic structural view of a vulcanizing mold of the present invention;

FIG. 2 is a schematic diagram of the upper mold plate structure of the vulcanizing mold of the present invention;

FIG. 3 is a schematic view of a middle template structure of the vulcanizing mold of the present invention;

FIG. 4 is a schematic structural view of a lower template of the vulcanizing mold of the present invention;

FIG. 5 is a schematic structural view of a raw film ring with a metal mesh sheet of the present invention;

FIG. 6 is a schematic structural view of a sizing jig according to the present invention;

fig. 7 is a schematic structural view of the middle pressure die of the present invention;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;

fig. 9 is a schematic structural view of the ejection jig of the present invention;

fig. 10 is a cross-sectional view taken along line a-a of fig. 9.

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention. The components in the structures of the drawings of the embodiments are not necessarily to scale, and do not represent actual relative sizes of the structures in the embodiments. The upper side or upper side of the structure or surface includes the case where other layers are interposed.

As a preferred embodiment, the flat vulcanizing machine for manufacturing the rubber edge-covered air filter screen of the utility model comprises a vulcanizing mould, as shown in fig. 1, 2, 3 and 4, the vulcanizing mold 2 includes an upper mold plate 11, an intermediate mold plate 12 and a lower mold plate 13, the upper template is arranged on an upper die of the flat vulcanizing machine, the lower template is arranged on a lower die of the flat vulcanizing machine, the upper template is provided with a plurality of upper substrate cavities 111, the lower template is provided with a plurality of lower substrate cavities 131 which are in one-to-one correspondence with the upper substrate cavities, the upper surface of the middle mold plate is provided with upper substrate cores 121 corresponding to the upper substrate cavities one to one, the lower surface of the middle template is provided with lower substrate cores 122 corresponding to the lower substrate cavities one by one, and the lower surface of the middle template also comprises a driving mechanism (not shown) for moving the middle template out of or in between the upper template and the lower template; when the upper template, the middle template and the lower template are sequentially closed, the upper template and the middle template are used for semi-vulcanizing and forming an upper substrate, and an upper elastic rubber ring is formed on the upper substrate, the middle template and the lower template are used for semi-vulcanizing and forming a lower substrate, and lower elastic rubber rings corresponding to the upper elastic rubber rings are formed on the lower substrate; the driving mechanism moves the middle template out of the position between the upper template and the lower template, when the upper template loaded with the upper substrate and the lower template loaded with the lower substrate are matched, a raw rubber sheet ring with a metal mesh sheet is clamped between the upper substrate and the lower substrate, the upper elastic rubber ring and the lower elastic rubber ring are butted and pressed against the metal mesh sheet, and the upper template and the lower template are used for carrying out secondary vulcanization on the upper elastic rubber ring and the upper substrate, the raw rubber sheet ring and the lower substrate outside the lower elastic rubber ring, so that the upper substrate, the raw rubber sheet ring and the lower substrate are connected together in an adhesive manner and are coated on the periphery of the metal mesh sheet, and the rubber edge-covered air filter screen is formed. The utility model discloses vulcanizing mould to the vulcanizing press has carried out the institutional advancement, and other parts are prior art, no longer describe herein. For example, the driving mechanism may use an air cylinder or an oil cylinder as a power source and be connected to the left and right sides of the middle template through a connecting member, so as to implement the function of moving the middle template in or out from the upper template and the lower template.

Use the utility model discloses a method that dull and stereotyped vulcanizer that is used for rubber air filter of borduring preparation made makes rubber air filter of borduring, including following step:

A. semi-vulcanizing and molding the upper substrate 100 and the lower substrate 200; firstly, the upper template, the middle template and the lower template are opened simultaneously, raw and cooked rubber materials are put in the upper substrate cores on the middle template, raw rubber materials are put in the lower substrate cavities of the lower template, then the upper template, the middle template and the lower template are sequentially closed, the raw rubber materials between the upper template and the middle template and the raw rubber materials between the middle template and the lower template are simultaneously and semi-vulcanized to form semi-vulcanized upper substrates and lower substrates, after molding, the upper template, the middle template and the lower template are opened again simultaneously, the middle template is moved out, the upper substrates are left in the upper substrate cavities of the upper template, and the upper substrates are suspended in the upper substrate cavities, so that the upper substrates can be hung upside down by using pins on products according to the characteristics of the products in order to prevent the upper substrates from falling down, an inverted hanging structure can also be designed, the lower substrate is left in a lower substrate cavity of the lower template, an upper elastic rubber ring is formed on the upper substrate, and lower elastic rubber rings corresponding to the upper elastic rubber ring one to one are formed on the lower substrate;

B. pressing the metal mesh sheet and the raw film ring; firstly, providing a metal mesh sheet 300 and a film coil 400 which are in one-to-one correspondence with the upper substrate and the lower substrate, and pressing the metal mesh sheet on the film coil to enable the metal mesh sheet to be positioned at the center of the film coil; referring to fig. 5, the portion of the metal mesh sheet for rubber-covered edges is bonded to the raw rubber sheet, while the portion of the metal mesh sheet for filtering air is not bonded to the raw rubber sheet.

C. Molding a rubber edge-covered air filter screen by secondary vulcanization; firstly, positioning a raw film ring with a metal mesh sheet and placing the raw film ring on a lower substrate formed on the lower template; then, closing the upper template and the lower template to enable the upper elastic rubber ring and the lower elastic rubber ring to be in butt joint and tightly press the metal mesh, vulcanizing the upper substrate, the raw rubber ring and the lower substrate outside the upper elastic rubber ring and the lower elastic rubber ring for the second time, enabling the upper substrate, the raw rubber ring and the lower substrate to be in adhesive connection together and to be coated on the periphery of the metal mesh to form rubber edge-covered air filter screens, and connecting rubber materials among the rubber edge-covered air filter screens to form a large finished product; because the upper substrate and the lower substrate are semi-vulcanized products, and the parts in the upper elastic rubber ring and the lower elastic rubber ring are not vulcanized for the second time in the secondary vulcanization process, the characteristics of the semi-vulcanized products are kept, the parts entering the metal net sheet for filtering air can not block meshes, and the upper elastic rubber ring, the lower elastic rubber ring and the semi-vulcanized rubber material in the upper elastic rubber ring and the lower elastic rubber ring are easy to tear off from finished products.

D. And tearing the upper elastic rubber ring and the lower elastic rubber ring from the large finished product, and cutting the large finished product to form the rubber edge-covered air filter screen. The method for dividing the large finished product is not limited, preferably, a punching mode can be adopted, and when the product is formed, punching channels are designed on the periphery of the product, so that punching is facilitated, and the production efficiency is improved.

The utility model discloses a plate vulcanizer that is used for rubber to bordure air filter screen preparation forms upper substrate and lower substrate through half vulcanization earlier, then glue through the film stock and unite upper substrate and lower substrate together, formed rubber bordure, and formed upper elastic rubber ring and lower elastic rubber ring in the process of forming rubber bordure in order to compress tightly metal mesh piece, thereby replaced the cope match-plate pattern clamping ring and the lower bolster clamping ring of current injection mold, because upper elastic rubber ring and lower elastic rubber ring have elasticity, the inhomogeneous problem of pressure that does not exist can not lead to some metal mesh piece border excessive pressure, thereby solved metal mesh piece and warp, destroy the problem of filter screen intensity; the pressure on the periphery of part of the metal mesh sheet is not insufficient, so that the glue overflow phenomenon caused by the sealing failure is avoided. The problem of uneven compression of the metal mesh is fundamentally solved, so that the production capacity of each molding is greatly increased, the production and processing efficiency is improved, and the aim of reducing the production cost is fulfilled. The utility model discloses the rubber of curing press preparation air filter that bordures can not bordure the inboard at rubber and form the closed loop, compare with the filter area of the metal mesh piece of current rubber air filter that bordures, the utility model discloses the filter area of the metal mesh piece of curing press and curing equipment preparation obtains increasing to air permeability has been increased.

The utility model discloses a curing equipment for rubber air filter screen preparation of borduring, including the flat vulcanizing machine that is used for rubber air filter screen preparation of borduring and the dull and stereotyped pressfitting machine that is used for pressfitting metal mesh piece and crude film circle, dull and stereotyped pressfitting machine includes pressing die utensil 3, see fig. 7 and fig. 8, pressing die utensil includes top board 31, blowing board 32 and bottom plate 33, the top board is installed on dull and stereotyped pressfitting machine's the last mould, the bottom plate is installed on dull and stereotyped pressfitting machine's the lower mould, the top board with all be formed with a plurality of guide pillars 34 on the bottom plate, be formed with on the blowing board with the guiding hole of guide pillar one-to-one, form the locating lever 35 of crude film circle and metal mesh piece in a plurality of locations on the blowing board, form on the top board with the hole is kept away in the location of. The upper substrate and the lower substrate can be molded firstly through a flat vulcanizing machine, then the upper substrate and the lower substrate are connected together in an adhesive mode through a raw rubber sheet to form a rubber covered edge, an upper elastic rubber ring and a lower elastic rubber ring are formed in the rubber covered edge forming process to compress the metal mesh, and therefore an upper template press ring and a lower template press ring of an existing injection mold are replaced; the pressure on the periphery of part of the metal mesh sheet is not insufficient, so that the glue overflow phenomenon caused by the sealing failure is avoided. The problem of uneven compression of the metal mesh is fundamentally solved, so that the production capacity of each molding is greatly increased, the production and processing efficiency is improved, and the aim of reducing the production cost is fulfilled. This go up elastic rubber ring and lower elastic rubber ring and in it not the half-done sizing material of secondary vulcanization can follow the finished product after the shaping and tear, and can not destroy metal mesh's mesh, consequently, can not bordure the inboard at rubber and form the closed loop, compare with the filter area of current rubber metal mesh's of borduring air filter, the utility model discloses metal mesh's filter area obtains increasing to air permeability has been increased. Can be in the same place a plurality of metal mesh pieces and the green film circle that corresponds with it pressfitting simultaneously through flat pressfitting machine, improve pressfitting efficiency greatly.

Preferably, a plurality of material holes are formed on the material placing plate, a plurality of metal meshes and raw film rings can be accommodated and positioned in each material hole, and the raw film rings are connected with each other to form a large-piece material. Fig. 5 illustrates a triangle rubber-covered air filter screen, and through reasonable arrangement, each large piece of material comprises four triangle rubber-covered air filter screens, and the large pieces of material are processed and produced as a group, so that the space can be greatly saved, and the production capacity can be improved.

Preferably, the device further comprises an ejection jig, and referring to fig. 9 and 10, the ejection jig comprises a lower carrier plate 41 and an ejection plate 42, guide posts 43 matched with the guide holes on the material discharging plate are formed on the lower carrier plate and the ejection plate, a plurality of ejector rods 44 opposite to the positions of the raw film rings on the material discharging plate are formed on the ejection plate, through holes for avoiding the ejector rods are formed on the material discharging plate, and the material discharging plate is spaced from the lower carrier plate by a set distance when positioned on the lower carrier plate. Through ejecting tool, can once only take out the combination of a plurality of metal mesh pieces and the crude film circle that the pressfitting is good, improve production machining efficiency greatly.

Preferably, the sizing jig further comprises a sizing jig 2, and referring to fig. 6, the sizing jig comprises an upper sizing plate 21 and a lower sizing plate 22, sizing through holes 23 are formed in the upper sizing plate and the lower sizing plate, and the upper sizing plate and the lower sizing plate can slide relatively, so that the sizing through holes in the lower sizing plate and the sizing through holes in the upper sizing plate are relatively communicated or staggered. Through the sizing material tool, can once only place the required raw rubber material piece of substrate in the shaping on the well template, then once only will shape the required raw rubber material piece of substrate down and place down on the module, material loading efficiency will improve greatly.

To sum up, the utility model provides a curing press and curing equipment for rubber is bordured air filter screen preparation, through the curing press shaping upper substrate and lower substrate earlier, then glue through the film stock and link it together, formed rubber and bordure, and formed upper elastic rubber ring and lower elastic rubber ring in the process of forming rubber and bordure in order to compress tightly metal mesh, thereby replaced the cope match-plate pattern clamping ring and the lower bolster clamping ring of current injection mold, because upper elastic rubber ring and lower elastic rubber ring have elasticity, it does not have the inhomogeneous problem of pressure, can not lead to partial metal mesh periphery to be excessive pressure, thereby solved metal mesh deformation, destroy the problem of filter screen intensity; the pressure on the periphery of part of the metal mesh sheet is not insufficient, so that the glue overflow phenomenon caused by the sealing failure is avoided. The problem of uneven compression of the metal mesh is fundamentally solved, so that the production capacity of each molding is greatly increased, the production and processing efficiency is improved, and the aim of reducing the production cost is fulfilled. This go up elastic rubber ring and lower elastic rubber ring and in it not the half-done sizing material of secondary vulcanization can follow the finished product after the shaping and tear, and can not destroy metal mesh's mesh, consequently, can not bordure the inboard at rubber and form the closed loop, compare with the filter area of current rubber metal mesh's of borduring air filter, the utility model discloses metal mesh's filter area obtains increasing to air permeability has been increased.

The above embodiments are described in detail with reference to the accompanying drawings, and those skilled in the art will be able to make various modifications and changes to the above embodiments without departing from the spirit of the present invention.

Claims

1. The utility model provides a vulcanizing press that is used for rubber to bordure air filter screen preparation which characterized in that: the vulcanizing mold comprises a vulcanizing mold, wherein the vulcanizing mold comprises an upper mold plate, a middle mold plate and a lower mold plate, the upper mold plate is arranged on an upper mold of a flat vulcanizing machine, the lower mold plate is arranged on a lower mold of the flat vulcanizing machine, a plurality of upper substrate cavities are arranged on the upper mold plate, a plurality of lower substrate cavities corresponding to the upper substrate cavities one to one are arranged on the lower mold plate, upper substrate cores corresponding to the upper substrate cavities one to one are arranged on the upper surface of the middle mold plate, lower substrate cores corresponding to the lower substrate cavities one to one are arranged on the lower surface of the middle mold plate, and the vulcanizing mold also comprises a driving mechanism used for moving the middle mold plate out of or into a position between the upper mold plate and the lower mold plate; when the upper template, the middle template and the lower template are sequentially closed, the upper template and the middle template are used for semi-vulcanizing and forming an upper substrate, and an upper elastic rubber ring is formed on the upper substrate, the middle template and the lower template are used for semi-vulcanizing and forming a lower substrate, and lower elastic rubber rings corresponding to the upper elastic rubber rings are formed on the lower substrate; the driving mechanism moves the middle template out of the position between the upper template and the lower template, when the upper template loaded with the upper substrate and the lower template loaded with the lower substrate are matched, a raw rubber sheet ring with a metal mesh sheet is clamped between the upper substrate and the lower substrate, the upper elastic rubber ring and the lower elastic rubber ring are butted and pressed against the metal mesh sheet, and the upper template and the lower template are used for carrying out secondary vulcanization on the upper elastic rubber ring and the upper substrate, the raw rubber sheet ring and the lower substrate outside the lower elastic rubber ring, so that the upper substrate, the raw rubber sheet ring and the lower substrate are connected together in an adhesive manner and are coated on the periphery of the metal mesh sheet, and the rubber edge-covered air filter screen is formed.

2. The utility model provides a vulcanisation plant that is used for rubber to bordure air filter screen preparation which characterized in that: the flat vulcanizing machine comprises the flat vulcanizing machine for manufacturing the rubber-covered air filter screen and a flat pressing machine for pressing the metal mesh sheet and the raw rubber sheet ring, wherein the flat pressing machine comprises a pressing die, the pressing die comprises an upper pressing plate, a material discharging plate and a lower fixing plate, the upper pressing plate is mounted on an upper die of the flat pressing machine, the lower fixing plate is mounted on a lower die of the flat pressing machine, a plurality of guide pillars are formed on the upper pressing plate and the lower fixing plate, guide holes corresponding to the guide pillars one to one are formed in the material discharging plate, a plurality of positioning rods for positioning the raw rubber sheet ring and the metal mesh sheet are formed in the material discharging plate, and positioning avoiding holes corresponding to the positioning rods one to one are formed in the upper pressing plate.

3. The vulcanization equipment for rubber-covered air screen production according to claim 2, characterized in that: the discharging plate is provided with a plurality of material holes, a plurality of metal meshes and raw film rings can be placed and positioned in each material hole, and the raw film rings are connected with each other to form a large material piece.

4. The vulcanization equipment for rubber-covered air screen production according to claim 2, characterized in that: the ejection jig comprises a lower support plate and an ejection plate, guide posts matched with the guide holes in the material discharging plate are formed on the lower support plate and the ejection plate, a plurality of ejector rods opposite to the raw film rings on the material discharging plate are formed on the ejection plate, through holes for avoiding the ejector rods are formed in the material discharging plate, and the material discharging plate is spaced from the lower support plate by a set distance when being placed on the lower support plate in a positioning mode.

5. The vulcanization equipment for rubber-covered air screen production according to claim 2, characterized in that: the sizing jig comprises an upper sizing plate and a lower sizing plate, sizing through holes are formed in the upper sizing plate and the lower sizing plate, and the upper sizing plate and the lower sizing plate can slide relative to each other, so that the sizing through holes in the lower sizing plate and the sizing through holes in the upper sizing plate are relatively communicated or staggered.