CN219191153U

CN219191153U - Rubber dust cover demoulding device

Info

Publication number: CN219191153U
Application number: CN202223201507.2U
Authority: CN
Inventors: 李海昌; 张玉; 王平; 刘振彬
Original assignee: Wuxi Wansheng Rubber And Plastic Products Co ltd
Current assignee: Wuxi Wansheng Rubber And Plastic Products Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-16
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a rubber dust-proof sleeve demoulding device which comprises a mould body, wherein the mould body comprises a bottom mould base and a top mould base, the top of the bottom mould base is provided with a bottom mould, the bottom of the top mould base is provided with a top mould, the top mould base is matched with the bottom mould base, the bottom mould and the top mould are closed to form a forming cavity, and a plurality of groups of demoulding devices are arranged inside the bottom mould base and below the bottom mould. When the air cylinder is in demolding, the air inlet connector is externally connected with the air supply equipment, air is shunted to the inner cavities of the air cylinders through the annular air passages, and when the air is filled into the inner cavities of the air cylinders, the piston is pushed downwards, so that the ejector rod is driven to pull the sealing ejector head, the sealing ejector head is separated from blocking the air holes, and the air enters the forming cavity along the air holes, so that a formed part in the forming cavity can be peeled off, the demolding effect is good, the formed part is not damaged, and meanwhile, the formed part can be cooled.

Description

Rubber dust cover demoulding device

Technical Field

The utility model relates to the technical field of glue injection molds, in particular to a rubber dust cover demolding device.

Background

In the production and manufacturing process of the rubber dust cover, the rubber dust cover is injection molded by a mold, so that the aim of quick production is fulfilled. The utility model discloses a rubber seal injection moulding mould for CN201920846548.6, which comprises a mounting rack, the bottom fixedly connected with propelling movement cylinder of mounting bracket, be connected with flexible piston rod on the propelling movement cylinder, the bottom fixedly connected with of flexible piston rod goes up the mould, the top both sides fixedly connected with fan support of going up the mould, fixedly connected with air discharge fan on the fan support, the below of going up the mould is equipped with the bed die, evenly be equipped with the lower mould benevolence on the bed die, be equipped with logical groove between the lower mould benevolence, the lower mould benevolence is through logical groove interconnect. The device is equipped with the slider, after the completion of moulding plastics, upwards presses the clamp plate, jack-up the slider through the push rod, drives the injection molding and rises, conveniently takes out, but the push rod can cause certain damage when drawing of patterns to the shaping, and in particular to is to some rubber shaping that thickness is thin, and the push rod promotes down and easily leads to its deformation and even damage.

Disclosure of Invention

In order to solve the problems, the utility model provides a rubber dust cover demolding device so as to solve the problems more exactly.

The utility model is realized by the following technical scheme:

the utility model provides a rubber dust cover demolding device, which comprises a mold body, wherein the mold body comprises a bottom mold seat and a top mold seat, the top of the bottom mold seat is provided with a bottom mold, the bottom of the top mold seat is provided with a top mold, the top mold seat is matched with the bottom mold seat, the bottom mold and the top mold are closed to form a molding cavity, the top of the top mold is integrally formed with a rubber injection ring body, the inside of the rubber injection ring body is provided with a rubber injection hole groove communicated with the molding cavity, the bottom of the rubber injection ring body is provided with a rubber inlet port communicated with the rubber injection ring, the inside of the bottom mold seat is provided with a plurality of groups of demolding devices, the bottom mold seat is provided with a plurality of groups of air cylinder demolding devices, the air cylinder devices are arranged below the bottom mold seat, the inner cavity of the air cylinder is matched and slidingly connected with a piston, the top rod is connected with the top of the piston, the top of the top mold is provided with a sealing top head, an air hole matched with the sealing top head is arranged at the bottom of the molding cavity, a spring is connected between the bottom of the piston and the inner cavity bottom of the piston, the seat is internally provided with an annular air passage, the demolding port communicated with the air cylinders in each group of devices is arranged, the air cylinder is communicated with the air inlet port of the bottom mold seat, and the air cylinder is arranged at one side of the bottom mold seat is communicated with the air inlet port.

Furthermore, a plurality of glue injection hole grooves are formed in the bottom of the glue injection ring, and the glue injection hole grooves are distributed in an annular array along the center of the glue injection ring.

Further, the electric heating ring piece is embedded in the top die seat, and the electric heating ring piece is arranged on the periphery of the glue injection ring body.

Further, a plurality of heat-conducting ceramic columns are inserted into the inner side edge of the electric heating ring piece, one ends of the heat-conducting ceramic columns are in contact with the inner side of the electric heating ring piece, the other ends of the heat-conducting ceramic columns penetrate into the glue injection ring, and the heat-conducting ceramic columns are arranged in an annular array along the center of the glue injection ring body.

Further, the sealing plug is a conical plug, and the air hole formed in the bottom of the forming cavity is a conical hole groove matched with the sealing plug.

Further, the top of the bottom die holder and the inner side of the bottom die are provided with cooling air cavities, the bottom of the top die holder and the inner side of the top die are provided with cooling air cavities, the cooling air cavities provided by the bottom die holder and the top die holder are closed to form annular air cavities, the annular air channels are provided with a plurality of heat dissipation air channels communicated with the cooling air cavities, the top of the top die holder is provided with an exhaust interface communicated with the cooling air cavities, and the inner side walls of the bottom die and the top die in the cooling air cavities are provided with heat dissipation fins.

The utility model has the beneficial effects that:

1. when the air cylinder is demolded, the air inlet connector is externally connected with the air supply equipment, air is shunted to the inner cavities of all the air cylinders through the annular air passages, and when the air is filled into the inner cavities of the air cylinders, the piston is pushed downwards, so that the ejector rod is driven to pull the sealing ejector head, the sealing ejector head is separated from blocking the air holes, and the air enters the forming cavity along the air holes, so that a formed part in the forming cavity can be stripped, the demolding effect is good, the formed part is not damaged, and meanwhile, the formed part can be cooled;

2. when the annular air passage is used for introducing gas, the gas enters the cooling air cavity along the heat dissipation channel, and the inner walls of the bottom die and the top die are subjected to heat exchange and temperature reduction, so that the demolding is facilitated.

Drawings

FIG. 1 is a perspective view of the whole structure of the present utility model;

FIG. 2 is a half cross-sectional view of a three-dimensional structure of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model in a closed mold configuration;

fig. 4 is a front cross-sectional view of the structure of the present utility model when the mold is opened.

In the figure: 1. a bottom die holder; 101. a top die holder; 102. a bottom die; 103. a top mold; 1031. a glue injection ring body; 1032. a glue injection loop; 1033. a glue injection hole groove; 1034. a glue inlet port; 104. a molding cavity; 105. a cooling air cavity; 1051. an exhaust interface; 106. a heat radiation fin; 2. a demolding device; 201. an air cylinder; 202. a piston; 203. a push rod; 204. sealing the plug; 205. a spring; 206. an annular airway; 2061. an air inlet joint; 3. an electrically heated ring sheet; 301. and a heat conducting ceramic column.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-4, the present utility model provides a rubber dust cover demolding device, comprising a mold body, characterized in that the mold body comprises a bottom mold holder 1 and a top mold holder 101, the top of the bottom mold holder 1 is provided with a bottom mold 102, the bottom of the top mold holder 101 is provided with a top mold 103, the top mold holder 101 is matched with the bottom mold holder 1, the bottom mold 102 and the top mold 103 are closed to form a molding cavity 104, the top of the top mold 103 is integrally formed with a rubber injection ring body 1031, a rubber injection ring channel 1032 is provided inside the rubber injection ring body 1031, the bottom of the rubber injection ring channel 1032 is provided with a rubber injection hole 1034 communicated with the molding cavity 104, the bottom of the rubber injection ring channel 1032 is provided with a plurality of rubber injection hole 1033, the rubber injection hole 1033 are distributed in an annular array along the center of the rubber injection ring channel, the glue is injected along the glue inlet joint 1034, the glue is guided in the glue injection ring 1032, and is injected into the forming cavity 104 through the plurality of glue injection hole grooves 1033, so that glue is uniformly injected, the electric heating ring piece 3 is embedded in the top die seat 101, the electric heating ring piece 3 is arranged on the periphery of the glue injection ring 1031, the plurality of heat conducting ceramic columns 301 are inserted into the inner side edge of the electric heating ring piece 3, one ends of the heat conducting ceramic columns 301 are contacted with the inner side of the electric heating ring piece 3, the other ends of the heat conducting ceramic columns 301 penetrate into the glue injection ring 1032, the plurality of heat conducting ceramic columns 301 are arranged in an annular array along the center of the glue injection ring 1031, heat conduction is performed through the heat conducting ceramic columns 301 under the electrifying heating of the electric heating ring piece 3, the temperature of the glue in the glue injection ring 1032 is kept, the glue injection hole grooves 3 is prevented from being condensed due to the too low temperature, and the glue injection hole grooves 1033 are blocked.

The die holder 1 is inside and be located die block 102 below and be equipped with multiunit shedder 2, shedder 2 is including being the gas cylinder 201 that sets up perpendicularly, gas cylinder 201 inner chamber cooperation sliding connection has piston 202, be connected with ejector pin 203 on the piston 202, the top of ejector pin 203 is equipped with sealed top 204, forming chamber 104 bottom has been seted up with sealed top 204 complex gas pocket, be connected with spring 205 between the bottom of piston 202 and the inner chamber bottom of gas cylinder 201, annular air flue 206 has been seted up to die holder 1 inside, under annular air flue 206's effect, make sealed top 204 seal the gas pocket of forming chamber 104 bottom set up, sealed top 204 is conical top, the gas pocket of forming chamber 104 bottom open be with sealed top 204 complex conical hole groove, guarantee the leakproofness, the annular air flue 206 has been seted up with the drawing of patterns air flue that is linked together of gas cylinder 201 in each group shedder 2, the air flue is set up in 201's top with the top of gas cylinder 201 hookup, the outer wall of one side of die holder 1 is equipped with the air inlet connection piece 206 and is linked together, when taking out the die, annular air flue 206 external equipment of air connection 2061, gas inlet connection, gas is by annular air flue 206 shunts to each inner chamber, when making the gas chamber 202 seal forming chamber 104, can be broken down, seal top piece 104 is pulled into the inner chamber 203, can be broken down, and the sealing top piece is formed into the die cavity is formed to the die cavity, can be broken, and the sealing piece is further cooled down, the inside is difficult to the sealing piece is formed to the inner chamber is difficult to the die cavity is formed to the top down, and the top is difficult to the sealing piece is cooled down, the top is difficult to the inside when the sealing piece is difficult to the top is cooled down, and is difficult to the air inside and is opened to the air inside.

The top of the bottom die holder 1 and the inner side of the bottom die 102 are provided with cooling air cavities 105, the bottom of the top die holder 101 and the inner side of the top die 103 are provided with cooling air cavities 105, the cooling air cavities 105 provided by the bottom die holder 1 and the top die holder 101 are closed to form annular air cavities, the annular air passage 206 is provided with a plurality of heat dissipation air passages communicated with the cooling air cavities 105, the top of the top die holder 101 is provided with an exhaust interface 1051 communicated with the cooling air cavities 105, when the annular air passage 206 is introduced with gas, the gas enters the cooling air cavities 105 along the heat dissipation passages, heat exchange and cooling are carried out on the inner walls of the bottom die 102 and the top die 103, demolding is facilitated, and the inner side walls of the bottom die 102 and the top die 103 in the cooling air cavities 105 are provided with heat dissipation fins 106, so that the heat exchange effect is improved.

Working principle: the utility model injects the melt adhesive along the glue inlet 1034, the melt adhesive is guided in the glue injection ring channel 1032, and is injected into the forming cavity 104 by a plurality of glue injection hole grooves 1033, so that the glue injection is uniform, in the glue injection process, the electric heating ring sheet 3 is electrified and heated, the heat conduction ceramic column 301 conducts heat, the temperature of the melt adhesive in the glue injection ring channel 1032 is kept, and the glue injection hole grooves 1033 are prevented from being blocked due to the fact that the melt adhesive temperature is too low;

in the demolding process, the air inlet joint 2061 is externally connected with air supply equipment, air is shunted to the inner cavity of each air cylinder 201 through the annular air channel 206, when the air is filled into the inner cavity of each air cylinder 201, the piston 202 is pushed downwards, so that the ejector rod 203 is driven to pull the sealing ejector head 204, the sealing ejector head 204 is separated from blocking an air hole, and the air enters the forming cavity 104 along the air hole, so that a formed part in the forming cavity 104 can be peeled off, the demolding effect is good, the formed part is not damaged, and meanwhile, the formed part can be cooled;

when the annular air passage 206 is used for introducing air, the air enters the cooling air cavity 105 along the heat dissipation channel, and the inner walls of the bottom die 102 and the top die 103 are subjected to heat exchange and temperature reduction, so that the demolding is facilitated.

Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.

Claims

1. The utility model provides a rubber dirt proof boot shedder, includes the mould body, its characterized in that, the mould body includes die holder (1) and top die seat (101), and the top of die holder (1) is equipped with die block (102), and the bottom of top die seat (101) is equipped with ejector half (103), and die block (102) and ejector half (103) closure formation die cavity (104) are cooperated on die holder (1), the top integrated into one piece of ejector half (103) has injecting ring body (1031), injecting ring (1032) have been seted up to injecting ring body (1031) inside, injecting ring (1032) bottom set up injecting hole groove (1033) that are linked together with shaping chamber (104), injecting ring body (1031)'s top be equipped with injecting ring (1032) are linked together into glue interface (1034), die holder (1) inside and be located die block (102) below and be equipped with multiunit shedder (2), shedder (2) are including being perpendicular setting up, and piston (201) inner chamber cooperation sliding connection has piston (202), and top ram (203) are connected with top ram (203) top air vent (204) and top sealing head (204) are equipped with and top air vent (204) are opened, the bottom of piston (202) is connected with spring (205) between the inner chamber bottom of inflator (201), annular air flue (206) have been seted up to die block seat (1) inside, and annular air flue (206) have been seted up and have been linked together with inflator (201) in each group shedder (2), and the position of being connected of die block air flue and inflator (201) sets up in the top of inflator (201), and one side outer wall of die block seat (1) is equipped with air inlet connector (2061) that are linked together with annular air flue (206).

2. The demolding device for the rubber dust cover according to claim 1, wherein a plurality of glue injection hole grooves (1033) are formed in the bottom of the glue injection ring channel (1032), and the glue injection hole grooves (1033) are distributed in an annular array along the center of the glue injection ring channel (1032).

3. The rubber boot demolding device according to claim 1, wherein an electric heating ring piece (3) is embedded in the top mold base (101), and the electric heating ring piece (3) is arranged on the periphery of the glue injection ring body (1031).

4. A rubber dust cover demolding device according to claim 3, characterized in that a plurality of heat conducting ceramic columns (301) are inserted into the inner side edge of the electric heating ring piece (3), one end of each heat conducting ceramic column (301) is in contact with the inner side of the electric heating ring piece (3), the other end of each heat conducting ceramic column (301) penetrates into the rubber injection ring channel (1032), and the plurality of heat conducting ceramic columns (301) are arranged in an annular array along the center of the rubber injection ring body (1031).

5. The stripper device for the rubber dust cover according to claim 1, wherein the sealing plug (204) is a conical plug, and the air hole formed at the bottom of the forming cavity (104) is a conical hole groove matched with the sealing plug (204).

6. The rubber dust cover demolding device according to claim 1, wherein a cooling air cavity (105) is formed in the top of the bottom die seat (1) and located on the inner side of the bottom die (102), a cooling air cavity (105) is formed in the bottom of the top die seat (101) and located on the inner side of the top die (103), the cooling air cavities (105) formed by the bottom die seat (1) and the top die seat (101) are closed to form an annular air cavity, a plurality of cooling air channels communicated with the cooling air cavity (105) are formed in the annular air channel (206), an exhaust interface (1051) communicated with the cooling air cavity (105) is formed in the top of the top die seat (101), and radiating fins (106) are arranged on the inner side walls of the bottom die (102) and the top die (103) located in the cooling air cavity (105).