CN110815734B

CN110815734B - Injection molding manufacturing device and injection molding manufacturing process of anti-fog patch

Info

Publication number: CN110815734B
Application number: CN201911132895.3A
Authority: CN
Inventors: 林冬琳; 林兆琛
Original assignee: Zhangzhou Lanbao Plastic Industry Co ltd
Current assignee: Zhangzhou Lanbao Plastic Industry Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-07-06
Anticipated expiration: 2039-11-19
Also published as: CN110815734A

Abstract

The invention provides an injection molding manufacturing device of an anti-fog patch, which breaks through the structural form of the traditional anti-fog patch processing device, wherein a controller controls a lifting driving device to drive a movable pressing plate to downwards extrude each layer of mould, so that each demoulding plate gradually enters a mould groove, each connecting lug gradually enters a first accommodating groove, and each pressure spring gradually enters a second accommodating groove; driving the first to fourth side molds to move toward the molding dies; the movable pressing plate, the lower fixing plate and the first to fourth side dies surround the forming die, steam is introduced into the injection molding manufacturing device through the material supply nozzles and the material inlet holes, and the injection molding manufacturing device is preheated; injecting the injection molding material into each mold cavity through each material supply nozzle and each material supply hole; cooling the injection molding material; and (5) demolding. The invention has simple and compact structure, strong practicability, high-efficiency processing and one-time injection molding. The invention also provides an injection molding manufacturing process of the anti-fog patch, which can efficiently process and form a plurality of anti-fog patches through one-time injection molding.

Description

Injection molding manufacturing device and injection molding manufacturing process of anti-fog patch

Technical Field

The invention relates to the field of injection molding, in particular to an injection molding manufacturing device and an injection molding manufacturing process of an anti-fog patch.

Background

It is known that water vapor in the air can be liquefied on the mirror surface when encountering the mirror surface with lower temperature, for example, in winter, the water vapor is particularly obvious on the inner side of the visor of the helmet and the inner side of the automobile glass, the visual field of a driver is seriously influenced, and the life and property loss is easily caused. Therefore, antifogging films are produced on the market and are used for being stuck on the inner side of the automobile glass so as to play an antifogging role.

Structures such as anti-fog patches and shields of helmets are known, for example, chinese patent CN201510570393.4 discloses a helmet shield with an integrated anti-fog patch positioning structure, which comprises a shield (1) and an anti-fog patch (2), and is characterized in that: guard shield (1) is provided with location convex nail (11) and/or location knot limit (12) with guard shield (1) integrated into one piece, location convex nail (11) are located the left and right sides of guard shield (1) medial surface, location knot limit (12) are located the periphery of guard shield (1) medial surface, location convex nail (11) are at least two and two at least mutual dispositions with the total number of location knot limit (12), be provided with on antifog paster (2) with draw-in groove (201) or recess (202) of location convex nail (11) adaptation, the tip of location convex nail (11) is provided with cap (111). The clamping groove (201) is an open flat groove. The clamping groove (201) is a closed flat groove, and a round hole (203) through which the cap head (111) can pass is formed in one end, close to the center of the anti-fog patch (2). The left side and the right side of the inner side surface of the shield (1) are provided with a pair of symmetrically arranged positioning convex nails (11). The left side and the right side of the inner side surface of the shield (1) are provided with symmetrically arranged positioning buckling edges (12). The inner side surface of the shield (1) is provided with a bulge (13) for isolating the shield (1) from the anti-fog patch (2).

Most of the existing patches adopt processes of extruding a large sheet of plate material, then cutting, edging, glue dripping, curing and the like, and the processing tools are various, the process steps are complex and tedious, the consumed time is long, and the cost is high.

Accordingly, the inventors have made extensive studies on the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide an injection molding manufacturing device which is simple and compact in structure, strong in practicability, efficient in processing and capable of injection molding multiple anti-fog patches at one time.

The invention also aims to provide an injection molding manufacturing process for the anti-fog patches, which has strong practicability and high efficiency and can be used for processing and molding a plurality of anti-fog patches in one injection molding mode.

In order to achieve the purpose, the invention adopts the technical scheme that:

an injection molding manufacturing device of an anti-fog patch comprises a forming die, a first side die, a second side die, a third side die and a fourth side die, wherein the forming die is vertically arranged, the first side die is positioned on the first side of the forming die, the second side die is positioned on the second side of the forming die, the third side die is positioned on the third side of the forming die, and the fourth side die is positioned on the fourth side of the forming die; the forming die comprises a plurality of layers of layered dies which are stacked up and down, a lower fixed plate which is positioned below the layered dies, a movable pressing plate which is positioned above the layered dies, an upper fixed plate which is positioned above the movable pressing plate, a guide rod which is connected between the upper fixed plate and the lower fixed plate, and a lifting driving device which is arranged on the upper fixed plate and drives the movable pressing plate to move up and down; the layer mold comprises a base plate arranged horizontally, a demolding plate arranged below the base plate in parallel and a pressure spring arranged between the base plate and the demolding plate in an extending mode; the lower surface of the substrate is provided with a die cavity corresponding to the shape of the patch and a die frame positioned at the edge of the die cavity; the demoulding plate comprises a demoulding main body which corresponds to the shape of the paster and is correspondingly matched with the mould groove, and two connecting lugs which correspond to the mould frame; the two connecting lugs are respectively arranged at two sides of the template main body;

a first accommodating groove for accommodating the connecting lug is formed in the lower surface of the die frame, and a second accommodating groove for accommodating the pressure spring is formed at the bottom of the first accommodating groove; the die frame is provided with a first sliding hole for the guide rod to pass through, the connecting lug is provided with a second sliding hole for the guide rod to pass through, and the first sliding hole and the second sliding hole correspond to the second accommodating groove; the thickness of the connecting lug is the same as the depth of the first accommodating groove, the height of the lower end of the connecting lug, which is lower than the lower surface of the demolding main body, is equal to the thickness of the patch, and the depth of the die cavity is the sum of the thickness of the demolding main body and the thickness of the patch; a space between the lower surface of the demolding main body and the lower end face of the mold frame is used as a mold cavity for accommodating the paster; the base plate is provided with a cooling cavity for circulating cooling water, and the base plate is provided with a water inlet hole and a water outlet hole which are communicated with the cooling cavity; the die frame is provided with a feeding hole communicated with the die cavity;

the first side, the second side, the third side and the fourth side of the forming die are sequentially and adjacently arranged;

the first side die is provided with a first driving device for driving the first side die to be close to or far away from the first side of the forming die, the second side die is provided with a second driving device for driving the second side die to be close to or far away from the second side of the forming die, the third side die is provided with a third driving device for driving the third side die to be close to or far away from the third side of the forming die, and the fourth side die is provided with a fourth driving device for driving the fourth side die to be close to or far away from the fourth side of the forming die; the first side die is provided with a first corresponding surface corresponding to a first side of the forming die, the second side die is provided with a second corresponding surface corresponding to a second side of the forming die, the third side die is provided with a third corresponding surface corresponding to a third side of the forming die, and the fourth side die is provided with a fourth corresponding surface corresponding to a fourth side of the forming die; the first corresponding surface is provided with a plurality of feeding nozzles which are matched with the feeding holes in a one-to-one correspondence manner and a plurality of water supply nozzles which are matched with the water inlet holes in a one-to-one correspondence manner; and a plurality of water outlet nozzles which are matched with the water outlet holes in a one-to-one correspondence manner are arranged on the third corresponding surface.

And the inner surface of the die frame is provided with bulges corresponding to the bayonets at the two ends of the patch.

The demolding main body comprises a metal plate positioned above and a polyurethane plate covered on the lower surface of the metal plate.

The projection of the die cavity on the horizontal plane is within the projection range of the cooling cavity on the horizontal plane.

An injection cavity and a water injection cavity are formed in the first side die; the outer surface of the first side die is provided with a material injection hole communicated with the material injection cavity and a water injection hole communicated with the water injection cavity; the material injection cavity is communicated with each material supply nozzle; the water injection cavity is communicated with each water supply nozzle; a water outlet cavity is formed in the third side die, a water drain hole communicated with the water outlet cavity is formed in the outer surface of the third side die, and the water outlet cavity is communicated with water outlets.

A plurality of first mounting holes which are in one-to-one corresponding connection with the material supply nozzles and a plurality of second mounting holes which are in one-to-one corresponding connection with the water supply nozzles are formed on the first corresponding surface; and a plurality of third mounting holes which are connected with the water outlets in a one-to-one correspondence manner are formed on the third corresponding surface.

The screw extruder is communicated with the material injection hole.

The spiral feeder is connected with the material injection hole through a hose.

The screw extruder comprises an extrusion pipeline, a conveying screw rod arranged in the extrusion pipeline, a spraying channel parallel to the extrusion pipeline, a plug pin arranged in the spraying channel, a driving device for driving the plug pin to advance and retreat, and a nozzle connected to an outlet of the spraying channel.

The first driving device comprises a first fluid pressure cylinder, a first bearing plate for bearing the first fluid pressure cylinder, and a first guiding device for guiding the first side die; the second driving device comprises a second fluid pressure cylinder, a second bearing plate for bearing the second fluid pressure cylinder, and a second guiding device for guiding the second side die; the third driving device comprises a third fluid pressure cylinder, a third bearing plate for bearing the third fluid pressure cylinder, and a third guiding device for guiding the third side die; the fourth driving device comprises a fourth fluid pressure cylinder, a fourth bearing plate for bearing the fourth fluid pressure cylinder, and a fourth guiding device for guiding the fourth side die;

a piston rod of the first fluid pressure cylinder penetrates through the first bearing plate, and the end part of the piston rod is connected with the first side die; the first guide device comprises a first guide rail parallel to a piston rod of the first fluid pressure cylinder, a first guide plate which is perpendicular to the piston rod of the first fluid pressure cylinder and guides the first guide rail, and a first reset spring which is sleeved on the first guide rail and drives the first guide rail to reset; the first guide rail penetrates through the first bearing plate and the first guide plate, and the first guide plate is positioned between the first bearing plate and the first side die; the first guide rail is provided with a first connecting end connected with the first side die and a first movable end facing to the opposite direction; the first movable end is provided with a first clamping head, and the first return spring is arranged between the first clamping head and the first bearing plate in an opening mode;

a piston rod of the second fluid pressure cylinder penetrates through the second bearing plate, and the end part of the piston rod is connected with the second side die; the second guide device comprises a second guide rail parallel to a piston rod of the second fluid pressure cylinder, a second guide plate perpendicular to the piston rod of the second fluid pressure cylinder and guiding the second guide rail, and a second reset spring sleeved on the second guide rail and driving the second guide rail to reset; the second guide rail penetrates through the second bearing plate and the second guide plate, and the second guide plate is positioned between the second bearing plate and the second side die; the second guide rail is provided with a second connecting end connected with the second side module and a second movable end facing to the opposite direction; the second movable end is provided with a second clamping head, and the second return spring is arranged between the second clamping head and the second bearing plate in an expanding manner;

a piston rod of the third fluid pressure cylinder penetrates through the third bearing plate, and the end part of the piston rod is connected with the third side die; the third guide device comprises a third guide rail parallel to a piston rod of the third fluid pressure cylinder, a third guide plate perpendicular to the piston rod of the third fluid pressure cylinder and guiding the third guide rail, and a third reset spring sleeved on the third guide rail and driving the third guide rail to reset; the third guide rail penetrates through the third bearing plate and the third guide plate, and the third guide plate is positioned between the third bearing plate and the third side die; the third guide rail is provided with a third connecting end connected with the third side module and a third movable end facing to the opposite direction; a third clamping head is formed at the third movable end, and a third reset spring is arranged between the third clamping head and the third bearing plate in an opening manner;

a piston rod of the fourth fluid pressure cylinder penetrates through the fourth bearing plate, and the end part of the piston rod is connected with the fourth side die; the fourth guide device comprises a fourth guide rail parallel to a piston rod of the fourth hydraulic cylinder, a fourth guide plate perpendicular to the piston rod of the fourth hydraulic cylinder and guiding the fourth guide rail, and a fourth reset spring sleeved on the fourth guide rail and driving the fourth guide rail to reset; the fourth guide rail penetrates through the fourth bearing plate and the fourth guide plate, and the fourth guide plate is positioned between the fourth bearing plate and the fourth side die; the fourth guide rail is provided with a fourth connecting end connected with the fourth side module and a fourth movable end facing to the opposite direction; and a fourth clamping head is formed at the fourth movable end, and a fourth reset spring is arranged between the fourth clamping head and the fourth bearing plate in an expanding manner.

The two first guide rails are located on two sides of the first fluid pressure cylinder, the two second guide rails are located on two sides of the second fluid pressure cylinder, the two third guide rails are located on two sides of the third fluid pressure cylinder, and the two fourth guide rails are located on two sides of the fourth fluid pressure cylinder.

An injection molding manufacturing process of an anti-fog patch comprises the following steps:

(1) the starting controller controls the lifting driving device to drive the movable pressing plate to downwards extrude each layer of mould, so that each demoulding plate gradually enters the mould groove, each connecting lug gradually enters the first accommodating groove, and each pressure spring gradually enters the second accommodating groove;

(2) when the layer molds are pressed, the stripper plates completely enter the mold grooves and are tightly attached to the bottoms of the mold grooves, the connecting lugs completely enter the first accommodating grooves, and the compression springs completely enter the second accommodating grooves, the controller controls the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, so that the first side mold is driven to move towards the first side of the forming mold, the second side mold is driven to move towards the second side of the forming mold, the third side mold is driven to move towards the third side of the forming mold, and the fourth side mold is driven to move towards the fourth side of the forming mold;

(3) after the first side die, the second side die, the third side die and the fourth side die are simultaneously pressed on the side surface of the forming die, the forming die is surrounded by the movable pressing plate and the lower fixing plate, the first side die, the second side die, the third side die and the fourth side die, all the material supply nozzles are correspondingly connected with all the material inlet holes one by one, all the water supply nozzles are correspondingly connected with all the water inlet holes one by one, and all the water outlet nozzles are correspondingly connected with all the water outlet holes one by one; introducing steam into the injection molding manufacturing device through the material supply nozzles and the material inlet holes, and preheating the injection molding manufacturing device;

(4) after preheating is finished, injecting the injection molding materials into each die cavity through each material feeding nozzle and each material feeding hole by using a material feeding device;

(5) after the injection molding is finished, cooling and molding the injection molding material;

(6) and (5) demolding.

In the step (4), the controller is used for controlling the screw extruder, the screw extruder is in butt joint with the material injection holes through the nozzle, the injection molding material is firstly injected into the material injection cavity, and then enters the corresponding die cavity through the material feeding holes through the material feeding nozzles.

In the step (4), the controller is used for controlling the screw extruder, the hose is in butt joint with the material injection hole, the injection molding material is firstly injected into the material injection cavity, and then enters the corresponding die cavity through the material feeding holes through the material feeding nozzles.

And (5) controlling a water supply device by using a controller, butting the water supply device with the water injection holes through hoses, injecting cooling water into the water injection cavities, enabling the water injection cavities to enter the corresponding cooling cavities from the water inlet holes through the water supply nozzles, cooling the injection molding materials in the corresponding mold cavities, and solidifying and molding the injection molding materials into patches.

In the step (6), after the injection molding material is cooled, the controller is used for controlling the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, and driving the first side die, the second side die, the third side die and the fourth side die to be away from the forming die; and then the controller controls the lifting driving device to drive the movable pressing plate upwards, so that the base plate and the stripping plate of each layer of die are separated under the action of the elasticity of the corresponding pressure spring, the stripping plate drives the patch to move out of the die cavity, and the stripping is realized after the patch falls off.

After the technical scheme is adopted, the anti-fog patch injection molding manufacturing device breaks through the structural form of the traditional anti-fog patch processing device, in the actual working process, the controller is started to control the lifting driving device to drive the movable pressing plate to downwards extrude each layer of mould, each demoulding plate gradually enters the mould groove, each connecting lug gradually enters the first accommodating groove, and each pressure spring gradually enters the second accommodating groove; when the layer molds are pressed, the stripper plates completely enter the mold grooves and are tightly attached to the bottoms of the mold grooves, the connecting lugs completely enter the first accommodating grooves, and the compression springs completely enter the second accommodating grooves, the controller controls the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, so that the first side mold is driven to move towards the first side of the forming mold, the second side mold is driven to move towards the second side of the forming mold, the third side mold is driven to move towards the third side of the forming mold, and the fourth side mold is driven to move towards the fourth side of the forming mold; after the first side die, the second side die, the third side die and the fourth side die are simultaneously pressed on the side surface of the forming die, the forming die is surrounded by the movable pressing plate and the lower fixing plate, the first side die, the second side die, the third side die and the fourth side die, all the material supply nozzles are correspondingly connected with all the material inlet holes one by one, all the water supply nozzles are correspondingly connected with all the water inlet holes one by one, and all the water outlet nozzles are correspondingly connected with all the water outlet holes one by one; introducing steam into the injection molding manufacturing device through the material supply nozzles and the material inlet holes, and preheating the injection molding manufacturing device; after preheating is finished, injecting the injection molding materials into each die cavity through each material feeding nozzle and each material feeding hole by using a material feeding device; after the injection molding is finished, cooling the injection molding material; and (5) demolding. Can be used for injection molding a plurality of antifogging patches at one time. Compared with the prior art, the injection molding manufacturing device for the anti-fog patches has the advantages of simple and compact structure, strong practicability, high-efficiency processing and one-time injection molding of the plurality of anti-fog patches.

The invention also provides an injection molding manufacturing process of the anti-fog patch, and based on the injection molding manufacturing device, a plurality of anti-fog patches can be efficiently processed and formed in one-step injection molding mode.

Drawings

FIG. 1 is a schematic view of a portion of the mold clamping apparatus in a first view;

FIG. 2 is a schematic view of a first view angle of a portion of the mold opened state according to the present invention;

FIG. 3 is a schematic view of a mold clamping state in a second view in partial section according to the present invention;

FIG. 4 is a schematic view of a second view angle of the mold opened state in a partial cross-sectional view;

FIG. 5 is a schematic top view of a portion of the present invention;

FIG. 6 is a partial structural view of a second perspective of the present invention.

In the figure:

1-forming die 11-layer die 111-substrate 1111-die groove 1112-die frame 11121-first containing groove 11122-second containing groove 11123-feed hole 1113-cooling cavity 1114-water inlet hole 112-demoulding plate 1121-demoulding main body 11211-metal plate 11212-polyurethane plate 1122-connecting lug 113-pressure spring 114-die cavity 12-lower fixed plate 13-movable press plate 14-upper fixed plate 15-guide rod 16-lifting driving device

2-first side mold 211-first fluid pressure cylinder 212-first loading plate 2131-first guide rail 21311-first chuck 2132-first guide plate 2133-first return spring 22-injection hole 23-injection hole

3-second side die 311-second fluid pressure cylinder 312-second loading plate 3131-second guide rail 31311-second jaw 3132-second guide plate 3133-second return spring

4-third side die 411-third fluid pressure cylinder 412-third loading plate 4131-third guide rail 41311-third chuck 4132-third guide plate 4133-third return spring 42-drain hole

5-fourth side die 511-fourth hydraulic cylinder 512-fourth bearing plate 5131-fourth guide rail 51311-fourth chuck 5132-fourth guide plate 5133-fourth return spring

6-spiral feeder.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

The injection molding manufacturing process of the anti-fog patch comprises a forming die 1, a first side die 2, a second side die 3, a third side die 4 and a fourth side die 5, wherein the forming die 1 is vertically arranged, the first side die 2 is positioned on the first side of the forming die 1, the second side die 3 is positioned on the second side of the forming die 1, the third side die 4 is positioned on the third side of the forming die 1, and the fourth side die 5 is positioned on the fourth side of the forming die 1; the forming die 1 comprises a plurality of layers of layered dies 11 which are stacked up and down, a lower fixing plate 12 which is arranged below the layered dies 11, a movable pressing plate 13 which is arranged above the layered dies 11, an upper fixing plate 14 which is arranged above the movable pressing plate 13, a guide rod 15 which is connected between the upper fixing plate 14 and the lower fixing plate 12, and a lifting driving device 16 which is arranged on the upper fixing plate 14 and drives the movable pressing plate 13 to move up and down; the layer mold 11 comprises a base plate 111 arranged horizontally, a stripping plate 112 arranged below the base plate 111 in parallel, and a pressure spring 113 stretched between the base plate 111 and the stripping plate 112; the lower surface of the substrate 111 has a cavity 1111 corresponding to the shape of the patch, and a mold frame 1112 at the edge of the cavity 1111; the stripper plate 112 includes a stripper body 1121 corresponding to the shape of the patch and fitted in correspondence with the cavity 1111, and two engaging lugs 1122 corresponding to the mold frame 1112; the two connecting lugs 1122 are respectively arranged at two sides of the template main body;

a first accommodating groove 11121 for accommodating the connecting lug 1122 is formed in the lower surface of the mold frame 1112, and a second accommodating groove 11122 for accommodating the pressure spring 113 is formed at the bottom of the first accommodating groove 11121; the mold frame 1112 is formed with a first sliding hole for the guide rod 15 to pass through, the connecting lug 1122 is formed with a second sliding hole for the guide rod 15 to pass through, and both the first sliding hole and the second sliding hole correspond to the second receiving groove 11122; the thickness of the connecting lug 1122 is the same as the depth of the first accommodating groove 11121, the height of the lower end of the connecting lug 1122 lower than the lower surface of the demolding body 1121 is equal to the thickness of the patch, and the depth of the die cavity 1111 is the sum of the thickness of the demolding body 1121 and the thickness of the patch; a space between the lower surface of the demolding body 1121 and the lower end surface of the mold frame 1112 is used as a mold cavity 114 for accommodating a patch; the base plate 111 is provided with a cooling cavity 1113 for circulating cooling water, and the base plate 111 is provided with a water inlet 1114 and a water outlet which are communicated with the cooling cavity 1113; the die frame 1112 is formed with a feed opening 11123 in communication with the die cavity 114;

the first side, the second side, the third side and the fourth side of the forming die 1 are sequentially and adjacently arranged;

the first side die 2 is provided with a first driving device for driving the first side die 2 to be close to or far away from the first side of the forming die 1, the second side die 3 is provided with a second driving device for driving the second side die 3 to be close to or far away from the second side of the forming die 1, the third side die 4 is provided with a third driving device for driving the third side die 4 to be close to or far away from the third side of the forming die 1, and the fourth side die 5 is provided with a fourth driving device for driving the fourth side die 5 to be close to or far away from the fourth side of the forming die 1; the first side die 2 is provided with a first corresponding surface corresponding to the first side of the forming die 1, the second side die 3 is provided with a second corresponding surface corresponding to the second side of the forming die 1, the third side die 4 is provided with a third corresponding surface corresponding to the third side of the forming die 1, and the fourth side die 5 is provided with a fourth corresponding surface corresponding to the fourth side of the forming die 1; the first corresponding surface is provided with a plurality of feeding nozzles which are correspondingly matched with the feeding holes 11123 one by one and a plurality of water supply nozzles which are correspondingly matched with the water inlet holes 1114 one by one; the third corresponding surface is provided with a plurality of water outlet nozzles which are matched with the water outlet holes in a one-to-one correspondence way.

In the actual working process, firstly, the controller is started to control the lifting driving device 16 to drive the movable pressing plate 13 to downwards extrude each layer mold 11, so that each demolding plate 112 gradually enters the mold groove 1111, each connecting lug 1122 gradually enters the first accommodating groove 11121, and each pressure spring 113 gradually enters the second accommodating groove 11122; when the layer molds 11 are pressed, the stripper plates 112 completely enter the mold cavity 1111 and are tightly attached to the bottom of the mold cavity 1111, the connecting lugs 1122 completely enter the first accommodating grooves 11121, and the compression springs 113 completely enter the second accommodating grooves 11122, the controller controls the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, so as to drive the first side mold 2 to move towards the first side of the forming mold 1, drive the second side mold 3 to move towards the second side of the forming mold 1, drive the third side mold 4 to move towards the third side of the forming mold 1, and drive the fourth side mold 5 to move towards the fourth side of the forming mold 1; after the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 are simultaneously pressed against the side surface of the forming die 1, the movable pressing plate 13, the lower fixing plate 12, the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 surround the forming die 1, the material supply nozzles are correspondingly connected with the material inlet holes 11123 one by one, the water supply nozzles are correspondingly connected with the water inlet holes 1114 one by one, and the water outlet nozzles are correspondingly connected with the water outlet holes one by one; introducing steam into the injection molding manufacturing device through the material supply nozzles and the material supply holes 11123 to preheat the injection molding manufacturing device; after preheating, injecting the injection molding material into each mold cavity 114 by using a feeding device through each feeding nozzle and each feeding hole 11123; after the injection molding is finished, cooling the injection molding material; and (5) demolding. Can be used for injection molding a plurality of antifogging patches at one time.

Preferably, the inner surface of the mold frame is formed with protrusions corresponding to the bayonets at both ends of the patch. The bulge can form a patch with bayonets at two ends, and the bayonets can slide along the bulge to fall off in the process of stripping the patch.

Preferably, the demolding body 1121 includes a metal plate 11211 at an upper side and a polyurethane plate 11212 coated on a lower surface of the metal plate 11211. In the actual working process, the polyurethane plate 11212 is in direct contact with the injection molding material of the patch, the adhesion between the polyurethane plate 11212 and the injection molding material of the patch is very small, and the demolding is convenient; the edge of the formed patch is cooled and contracted to form a gap with the mold frame 1112, which is beneficial for the demolding body 1121 to eject the patch, and when the demolding body 1121 ejects the formed patch, the patch can directly fall off.

Preferably, the projection of the chase 1111 onto the horizontal plane is within the projection range of the cooling chamber 1113 onto the horizontal plane. This structure can guarantee that cooling water covers whole die cavity 1111, guarantees the cooling effect to die cavity 1111 and injection molding material.

Preferably, an injection cavity and a water injection cavity are formed in the first side die 2; the outer surface of the first side die 2 is provided with a material injection hole 22 communicated with the material injection cavity and a water injection hole 23 communicated with the water injection cavity; the material injection cavity is communicated with the material supply nozzles of the material injection hole 22; the water injection cavity is communicated with water supply nozzles of the water injection holes 23; a water outlet cavity is formed in the third side die 4, a water discharge hole 42 communicated with the water outlet cavity is formed in the outer surface of the third side die 4, and the water outlet cavity is communicated with water outlets of the water discharge hole 42. In the actual working process, when the injection is needed, the injection molding material is injected into the injection cavity through the injection hole 22 by using the feeding device, and then is injected into the cavity 114 through the feeding nozzles and the feeding holes 11123 in a one-to-one correspondence manner; when water injection is needed, cooling water is injected into the water injection cavity through the water injection holes 23 by using the water supply device, and then the cooling water is injected into the cooling cavity 1113 through each water supply nozzle and the water inlet 1114 in a one-to-one correspondence manner to cool injection molding materials and the like. The concrete structure can be that, be equipped with the thermal insulation board between notes material chamber and the water injection chamber, guarantee to annotate the injection molding material in the material chamber and not by the cooling water cooling solidification in the water injection chamber, and can guarantee that the cooling water in the water injection chamber is not heated by the injection molding material.

Preferably, a plurality of first mounting holes which are connected with the feeding nozzles in a one-to-one correspondence manner and a plurality of second mounting holes which are connected with the water supply nozzles in a one-to-one correspondence manner are formed on the first corresponding surface; a plurality of third mounting holes which are connected with the water outlets in a one-to-one correspondence manner are formed on the third corresponding surface. Firm erection joint to each feed nozzle can be realized through first mounting hole, can realize firm erection joint to each feed nozzle through the second mounting hole, can realize firm erection joint to each faucet through the third mounting hole.

Preferably, a screw feeder 6 communicated with the material injection hole 22 is further included. In the actual working process of the invention, the spiral feeder 6 is used as a feeding device to inject the flowing injection molding material into the injection cavity.

In a preferred embodiment, the screw feeder 6 is connected to the injection hole 22 by a hose. In the actual working process, the hose can adapt to the movement of the first side die 2, so that the first side die 2 can move smoothly, the connection between the spiral feeder 6 and the material injection hole 22 is ensured constantly, and the material injection stability is ensured.

In another preferred embodiment, the screw feeder 6 includes an extrusion pipe, a conveying screw rod disposed in the extrusion pipe, a jet channel parallel to the extrusion pipe, a plug pin disposed in the jet channel, a driving device for driving the plug pin to advance and retreat, and a nozzle connected to an outlet of the jet channel. In the actual working process, the nozzle of the spiral feeder 6 corresponds to the material injection hole 22 only at the position of the first side die 2 contacting the forming die 1, and the material is injected after the nozzle is communicated with the material injection hole 22, so that the material injection is flexible and convenient.

In order to achieve stable and smooth driving of the first, second, third and fourth driving means, preferably, the first driving means includes a first fluid pressure cylinder 211, a first bearing plate 212 bearing the first fluid pressure cylinder 211, and a first guide means guiding the first side mold 2; the second driving means includes a second fluid pressure cylinder 311, a second bearing plate 312 bearing the second fluid pressure cylinder 311, and a second guiding means guiding the second side mold 3; the third driving means includes a third fluid pressure cylinder 411, a third bearing plate 412 bearing the third fluid pressure cylinder 411, and a third guiding means guiding the third side mold 4; the fourth driving device includes a fourth fluid pressure cylinder 511, a fourth bearing plate 512 for bearing the fourth fluid pressure cylinder 511, and a fourth guiding device for guiding the fourth side mold 5;

a piston rod of the first fluid pressure cylinder 211 penetrates through the first bearing plate 212 and the end part is connected with the first side die 2; the first guiding device comprises a first guiding rail 2131 parallel to the piston rod of the first fluid pressure cylinder 211, a first guiding plate 2132 perpendicular to the piston rod of the first fluid pressure cylinder 211 and guiding the first guiding rail 2131, and a first return spring 2133 sleeved on the first guiding rail 2131 and driving the first guiding rail 2131 to return; the first guide rail 2131 penetrates through the first bearing plate 212 and the first guide plate 2132, and the first guide plate 2132 is positioned between the first bearing plate 212 and the first side mold 2; the first guide rail 2131 is provided with a first connecting end connected with the first side die 2 and a first movable end facing to the opposite direction; the first movable end is formed with a first chuck 21311, and a first return spring 2133 is arranged between the first chuck 21311 and the first bearing plate 212;

a piston rod of the second fluid pressure cylinder 311 penetrates the second bearing plate 312 and the end part thereof is connected with the second side mold 3; the second guide means includes a second guide rail 3131 parallel to the piston rod of the second fluid cylinder 311, a second guide plate 3132 perpendicular to the piston rod of the second fluid cylinder 311 and guiding the second guide rail 3131, and a second return spring 3133 fitted over the second guide rail 3131 and driving the second guide rail 3131 to return; the second guide rail 3131 penetrates the second carrier plate 312 and the second guide plate 3132, and the second guide plate 3132 is between the second carrier plate 312 and the second side mold 3; the second guide rail 3131 has a second connection end connected to the second side form 3, and a second movable end facing in the opposite direction; a second tab 31311 is formed at the second movable end, and a second return spring 3133 is stretched between the second tab 31311 and the second carrier plate 312;

a piston rod of the third hydraulic cylinder 411 penetrates through the third bearing plate 412 and has an end connected to the third side mold 4; the third guiding device includes a third guiding rail 4131 parallel to the piston rod of the third fluid pressure cylinder 411, a third guiding plate 4132 perpendicular to the piston rod of the third fluid pressure cylinder 411 and guiding the third guiding rail 4131, and a third return spring 4133 sleeved on the third guiding rail 4131 and driving the third guiding rail 4131 to return; the third guide rail 4131 penetrates the third carrying plate 412 and the third guide plate 4132, and the third guide plate 4132 is between the third carrying plate 412 and the third side mold 4; the third guide rail 4131 has a third connection end connected to the third side mold 4, and a third movable end facing in the opposite direction; the third movable end is formed with a third chuck 41311, and a third return spring 4133 is arranged between the third chuck 41311 and the third bearing plate 412;

a piston rod of the fourth fluid pressure cylinder 511 penetrates the fourth bearing plate 512 and the end thereof is connected with the fourth side die 5; the fourth guiding device includes a fourth guiding rail 5131 parallel to the piston rod of the fourth hydraulic cylinder 511, a fourth guiding plate 5132 perpendicular to the piston rod of the fourth hydraulic cylinder 511 and guiding the fourth guiding rail 5131, and a fourth return spring 5133 sleeved on the fourth guiding rail 5131 and driving the fourth guiding rail 5131 to return; the fourth guide rail 5131 penetrates through the fourth loading plate 512 and the fourth guide plate 5132, and the fourth guide plate 5132 is located between the fourth loading plate 512 and the fourth side die 5; the fourth guide rail 5131 has a fourth connection end connected to the fourth side die 5, and a fourth movable end facing in the opposite direction; the fourth movable end is formed with a fourth chuck 51311, and a fourth return spring 5133 is extended between the fourth chuck 51311 and the fourth loading plate 512.

In order to further improve the stability and smoothness of the guiding and the force is more uniformly balanced, it is preferable that two first guide rails 2131 are divided at both sides of the first fluid pressure cylinder 211, two second guide rails 3131 are divided at both sides of the second fluid pressure cylinder 311, two third guide rails 4131 are divided at both sides of the third fluid pressure cylinder 411, and two fourth guide rails 5131 are divided at both sides of the fourth fluid pressure cylinder 511.

Preferably, the first side die 2 has a first vertical side corresponding to the second side die 3, and a second vertical side corresponding to the fourth side die 5; the second side die 3 has a third vertical side corresponding to the third side die 4 and a fourth vertical side corresponding to the first side die 2; the third side mold 4 has a fifth vertical side corresponding to the fourth side mold 5, and a sixth vertical side corresponding to the second side mold 3; the fourth side die 5 is provided with a seventh vertical side edge corresponding to the first side die 2 and an eighth vertical side edge corresponding to the third side die 4; the first vertical side, the second vertical side, the third vertical side, the fourth vertical side, the fifth vertical side, the sixth vertical side, the seventh vertical side and the eighth vertical side are all provided with 45-degree chamfers, and the adjacent chamfers are correspondingly matched. The structure can lead the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 to be mutually guided and aligned, so that the positions of the die assemblies are more accurate and the actions are smooth.

Preferably, smooth wear pads are covered on the first vertical side, the second vertical side, the third vertical side, the fourth vertical side, the fifth vertical side, the sixth vertical side, the seventh vertical side and the eighth vertical side, so that the wear-resisting property is achieved, and the accuracy of the long-term stable use of the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 is ensured. The specific structure can be that the smooth wear-resisting pad is made of ceramic materials.

(1) the starting controller controls the lifting driving device 16 to drive the movable pressing plate 13 to downwards extrude each layer of mould 11, so that each demoulding plate 112 gradually enters the mould groove 1111, each connecting lug 1122 gradually enters the first accommodating groove 11121, and each pressure spring 113 gradually enters the second accommodating groove 11122;

(2) when the layer molds 11 are pressed, the stripper plates 112 completely enter the mold cavity 1111 and are tightly attached to the bottom of the mold cavity 1111, the connecting lugs 1122 completely enter the first accommodating grooves 11121, and the compression springs 113 completely enter the second accommodating grooves 11122, the controller controls the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, so as to drive the first side mold 2 to move towards the first side of the forming mold 1, drive the second side mold 3 to move towards the second side of the forming mold 1, drive the third side mold 4 to move towards the third side of the forming mold 1, and drive the fourth side mold 5 to move towards the fourth side of the forming mold 1;

(3) after the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 are simultaneously pressed against the side surface of the forming die 1, the movable pressing plate 13, the lower fixing plate 12, the first side die 2, the second side die 3, the third side die 4 and the fourth side die 5 surround the forming die 1, the material supply nozzles are correspondingly connected with the material inlet holes 11123 one by one, the water supply nozzles are correspondingly connected with the water inlet holes 1114 one by one, and the water outlet nozzles are correspondingly connected with the water outlet holes one by one; introducing steam into the injection molding manufacturing device through the material supply nozzles and the material supply holes 11123 to preheat the injection molding manufacturing device; the step can ensure the fluidity of the injection molding material after entering the mold cavity 114, so that the whole mold cavity 114 is filled with the injection molding material, and the injection molding quality is ensured; steam can also be introduced into the injection molding manufacturing device through the water supply nozzle and the water inlet 1114 for preheating, and the method is particularly suitable for preheating when the injection molding materials at the injection cavity, the material supply nozzle, the material inlet 11123 and the like are cooled and solidified;

(4) after preheating, injecting the injection molding material into each mold cavity 114 by using a feeding device through each feeding nozzle and each feeding hole 11123; air within the cavity 114, etc., is forced out of the gaps between the respective layers of dies 11 and the respective side dies;

(6) and (5) demolding.

Preferably, in step (4), the controller controls the screw feeder 6 to interface with the injection hole 22 through the nozzle, so that the injection molding material is injected into the injection cavity first, and then enters the corresponding mold cavity 114 through the feeding holes 11123 via the feeding nozzles. The extrusion pressure provided by the screw conveyor is used to rapidly extrude the injection molding material into the mold cavity 114, which is more efficient.

Preferably, in step (4), the controller controls the screw feeder 6 to interface with the material injection hole 22 through a hose, so that the injection molding material is injected into the material injection cavity, and then enters the corresponding mold cavity 114 through the material feeding holes 11123 via the material feeding nozzles. The hose can adapt to the removal of first side form 2, and the removal of first side form 2 of being convenient for is smooth and easy, and guarantees the connection of screw feeder 6 and notes material hole 22 constantly, ensures to annotate material stability.

Preferably, in step (5), the controller controls the water supply device to be in butt joint with the water injection holes 23 through the hose, so as to inject cooling water into the water injection cavities, and the water injection cavities enter the corresponding cooling cavities 1113 through the water supply nozzles from the water inlet holes 1114, so as to cool the injection molding materials in the corresponding mold cavities 114, so that the injection molding materials are solidified and molded into patches. The hose can adapt to the removal of first side form 2, and the removal of first side form 2 of being convenient for is smooth and easy, and guarantees the connection of screw feeder 6 and notes material hole 22 constantly, ensures to annotate material stability.

Preferably, in the step (6), after the injection molding material is cooled, the controller controls the first driving device, the second driving device, the third driving device and the fourth driving device to operate simultaneously, and drives the first side mold 2, the second side mold 3, the third side mold 4 and the fourth side mold 5 to move away from the molding die 1; then the controller controls the lifting driving device 16 to drive the moving pressing plate 13 upwards, so that the substrate 111 and the stripping plate 112 of each layer mold 11 are separated under the action of the elastic force of the corresponding pressure spring 113, the stripping plate 112 drives the patch to move out of the mold groove 1111, and the release is realized after the patch falls off. After the paster is demoulded, the paster can be directly taken out through a mechanical arm, or the paster can be ejected out through the brush hair by utilizing the brush roller.

Preferably, the lifting driving device 16, the first driving device, the second driving device, the third driving device and the fourth driving device may be oil cylinders or air cylinders.

Preferably, the guide bar 15 is fixedly coupled by bolts.

The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims

1. The utility model provides an antifog paster's manufacturing installation that moulds plastics which characterized in that: the forming die comprises a forming die which is vertically arranged, a first side die which is positioned on the first side of the forming die, a second side die which is positioned on the second side of the forming die, a third side die which is positioned on the third side of the forming die, and a fourth side die which is positioned on the fourth side of the forming die; the forming die comprises a plurality of layers of layered dies which are stacked up and down, a lower fixed plate which is positioned below the layered dies, a movable pressing plate which is positioned above the layered dies, an upper fixed plate which is positioned above the movable pressing plate, a guide rod which is connected between the upper fixed plate and the lower fixed plate, and a lifting driving device which is arranged on the upper fixed plate and drives the movable pressing plate to move up and down; the layer mold comprises a base plate arranged horizontally, a demolding plate arranged below the base plate in parallel and a pressure spring arranged between the base plate and the demolding plate in an extending mode; the lower surface of the substrate is provided with a die cavity corresponding to the shape of the patch and a die frame positioned at the edge of the die cavity; the demoulding plate comprises a demoulding main body which corresponds to the shape of the paster and is correspondingly matched with the mould groove, and two connecting lugs which correspond to the mould frame; the two connecting lugs are respectively arranged at two sides of the template main body;

2. The injection molding manufacturing device of the anti-fog patch according to claim 1, wherein: and the inner surface of the die frame is provided with bulges corresponding to the bayonets at the two ends of the patch.

3. The injection molding manufacturing device of the anti-fog patch according to claim 2, characterized in that: the demolding main body comprises a metal plate positioned above and a polyurethane plate covered on the lower surface of the metal plate.

4. The injection molding manufacturing device of the anti-fog patch according to claim 3, wherein: the projection of the die cavity on the horizontal plane is within the projection range of the cooling cavity on the horizontal plane.

5. The injection molding manufacturing device of the anti-fog patch according to claim 4, wherein: an injection cavity and a water injection cavity are formed in the first side die; the outer surface of the first side die is provided with a material injection hole communicated with the material injection cavity and a water injection hole communicated with the water injection cavity; the material injection cavity is communicated with each material supply nozzle; the water injection cavity is communicated with each water supply nozzle; a water outlet cavity is formed in the third side die, a water drain hole communicated with the water outlet cavity is formed in the outer surface of the third side die, and the water outlet cavity is communicated with water outlets.

6. The injection molding manufacturing device of the anti-fog patch according to claim 5, wherein: a plurality of first mounting holes which are in one-to-one corresponding connection with the material supply nozzles and a plurality of second mounting holes which are in one-to-one corresponding connection with the water supply nozzles are formed on the first corresponding surface; and a plurality of third mounting holes which are connected with the water outlets in a one-to-one correspondence manner are formed on the third corresponding surface.

7. An injection molding manufacturing device of an anti-fog patch according to any one of claims 5-6, characterized in that: the screw extruder is communicated with the material injection hole.

8. The injection molding manufacturing device of the anti-fog patch according to claim 7, wherein: the spiral feeder is connected with the material injection hole through a hose.

9. The injection molding manufacturing device of the anti-fog patch according to claim 7, wherein: the screw extruder comprises an extrusion pipeline, a conveying screw rod arranged in the extrusion pipeline, a spraying channel parallel to the extrusion pipeline, a plug pin arranged in the spraying channel, a driving device for driving the plug pin to advance and retreat, and a nozzle connected to an outlet of the spraying channel.

10. An injection molding manufacturing device of an anti-fog patch according to any one of claims 1-6, characterized in that: the first driving device comprises a first fluid pressure cylinder, a first bearing plate for bearing the first fluid pressure cylinder, and a first guiding device for guiding the first side die; the second driving device comprises a second fluid pressure cylinder, a second bearing plate for bearing the second fluid pressure cylinder, and a second guiding device for guiding the second side die; the third driving device comprises a third fluid pressure cylinder, a third bearing plate for bearing the third fluid pressure cylinder, and a third guiding device for guiding the third side die; the fourth driving device comprises a fourth fluid pressure cylinder, a fourth bearing plate for bearing the fourth fluid pressure cylinder, and a fourth guiding device for guiding the fourth side die;

11. The injection molding manufacturing device of the anti-fog patch according to claim 10, wherein: the two first guide rails are located on two sides of the first fluid pressure cylinder, the two second guide rails are located on two sides of the second fluid pressure cylinder, the two third guide rails are located on two sides of the third fluid pressure cylinder, and the two fourth guide rails are located on two sides of the fourth fluid pressure cylinder.

12. An injection molding manufacturing process of an injection molding manufacturing device based on the anti-fog patch of any one of claims 1 to 11, characterized by comprising the following steps:

(6) and (5) demolding.

13. The injection molding manufacturing process of the anti-fog patch according to claim 12, characterized in that: in the step (4), the controller is used for controlling the screw extruder, the screw extruder is in butt joint with the material injection holes through the nozzle, the injection molding material is firstly injected into the material injection cavity, and then enters the corresponding die cavity through the material feeding holes through the material feeding nozzles.

14. The injection molding manufacturing process of the anti-fog patch according to claim 13, characterized in that: in the step (4), the controller is used for controlling the screw extruder, the hose is in butt joint with the material injection hole, the injection molding material is firstly injected into the material injection cavity, and then enters the corresponding die cavity through the material feeding holes through the material feeding nozzles.

15. The injection molding manufacturing process of the anti-fog patch according to claim 12, characterized in that: and (5) controlling a water supply device by using a controller, butting the water supply device with the water injection holes through hoses, injecting cooling water into the water injection cavities, enabling the water injection cavities to enter the corresponding cooling cavities from the water inlet holes through the water supply nozzles, cooling the injection molding materials in the corresponding mold cavities, and solidifying and molding the injection molding materials into patches.

16. The injection molding manufacturing process of the anti-fog patch according to claim 12, characterized in that: in the step (6), after the injection molding material is cooled, the controller is used for controlling the first driving device, the second driving device, the third driving device and the fourth driving device to simultaneously operate, and driving the first side die, the second side die, the third side die and the fourth side die to be away from the forming die; and then the controller controls the lifting driving device to drive the movable pressing plate upwards, so that the base plate and the stripping plate of each layer of die are separated under the action of the elasticity of the corresponding pressure spring, the stripping plate drives the patch to move out of the die cavity, and the stripping is realized after the patch falls off.