CN210372210U - Oil valve for automobile oil tank and oil valve injection molding device - Google Patents

Oil valve for automobile oil tank and oil valve injection molding device Download PDF

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Publication number
CN210372210U
CN210372210U CN201921390058.6U CN201921390058U CN210372210U CN 210372210 U CN210372210 U CN 210372210U CN 201921390058 U CN201921390058 U CN 201921390058U CN 210372210 U CN210372210 U CN 210372210U
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China
Prior art keywords
injection molding
upper die
sliding block
groove
block
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CN201921390058.6U
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Chinese (zh)
Inventor
肖烈熙
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Suzhou Zhenye Mold Co ltd
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Suzhou Zhenye Mold Co ltd
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Priority to CN201910789297.7A priority Critical patent/CN110410548A/en
Priority to CN201921390058.6U priority patent/CN210372210U/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03Injection moulding apparatus
    • B29C45/04Injection moulding apparatus using movable moulds or mould halves
    • B29C45/0441Injection moulding apparatus using movable moulds or mould halves involving a rotational movement
    • B29C45/045Injection moulding apparatus using movable moulds or mould halves involving a rotational movement mounted on the circumference of a rotating support having a rotating axis perpendicular to the mould opening, closing or clamping direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1615The materials being injected at different moulding stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/748Machines or parts thereof not otherwise provided for
    • B29L2031/7506Valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03Fuel tanks
    • B60K2015/03256Fuel tanks characterised by special valves, the mounting thereof

Abstract

The utility model discloses an automobile oil tank is with fuel tap and fuel tap injection moulding device, wherein, automobile oil tank is with fuel tap includes the fuel tap body, and the fuel tap body includes that the ebonite of a body coupling moulds plastics portion and flexible glue portion of moulding plastics, and the ebonite portion of moulding plastics includes the oil feed body, and an organic whole extends on the circumference outer wall of oil feed body has the body flange, and the lower terminal surface of body flange is provided with interior back-off ring groove, flexible glue portion of moulding plastics includes the outside outer ring circle that extends of back-off ring circle and back-off ring circle lower extreme outer wall, the back-off ring inlays the dress in interior back-off ring groove. The oil valve for the automobile oil tank has high overall reliability, and the life cycle meets the use requirements of the oil tank and the automobile; the utility model discloses an oil valve injection molding device can accomplish the injection molding of oil valve body high-efficiently.

Description

Oil valve for automobile oil tank and oil valve injection molding device
Technical Field
The utility model relates to an injection moulding technical field specifically is an oil valve and oil valve injection moulding device for car oil tank.
Background
The automobile fuel tank is a full name of the automobile fuel tank. Currently, with the development of the automobile industry and the joyful development of the automobile industry in China, the demand of each large automobile production enterprise for the automobile fuel tank is on a remarkable growth trend.
The automobile fuel tank is divided into the following materials: along with the application development of various new materials, the rust prevention problem of the iron fuel tank becomes the biggest problem of the fuel tank quality. Especially today where environmental protection is a concern. In the aspect of heavy truck: in the propulsion process of national 45 vehicles, the problem of influencing the propulsion of new vehicle types is the quality of oil in China, wherein the key quality of an oil tank for containing the oil is the key point. The aluminum alloy oil tank can meet the requirement in the strength direction and has great advantage in corrosion resistance compared with iron and other new materials. The fuel consumption is large, and the fuel consumption is high, and the fuel quality is high. The plastic fuel tanks all use High Density Polyethylene (HDPE) as a raw material. Because high-density polyethylene has remarkable thermoplasticity, the plastic fuel tank processing and forming process generally has various forms such as extrusion blow molding, rotational molding, vacuum plastic molding and the like, wherein the extrusion blow molding and the rotational molding are two main processes.
The existing oil valve structure design of the oil tank has defects, the welding between the flange part of the oil valve and the plastic oil tank is not tight enough, and the pervaporation emission of the oil tank can not be effectively reduced. How to design a more reasonable oil valve of structure, help reducing the pervaporation of oil tank and discharge, reduce hydrocarbon's emission, become the utility model discloses the technical problem that needs the solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil valve and oil valve injection moulding device for car oil tank to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an automobile is fuel tank and uses fuel tap, includes the fuel tap body, and the fuel tap body includes that the ebonite of a body coupling moulds plastics the portion and the flexible glue portion of moulding plastics, and the ebonite portion of moulding plastics includes the oil feed body, and an organic whole extends on the circumference outer wall of oil feed body has the body flange, and the lower terminal surface of body flange is provided with interior back-off annular, the flexible glue portion of moulding plastics includes the outer ring circle of back-off ring and the outside extension of back-off ring lower extreme outer wall, the back-off ring inlays the dress in interior back-off annular.
As a further proposal of the utility model, the hard glue injection molding part adopts polyamide plastics added with glass fiber, and the soft glue injection molding part adopts high-density polyethylene plastics.
As a further scheme of the utility model, back-off ring upper end is provided with the toper terminal surface, and the toper terminal surface is gone up to distribute and is provided with a plurality of embedding pieces, the inside terminal surface of interior back-off ring groove is seted up a plurality of inlay grooves that correspond with the embedding piece.
As the utility model discloses further scheme, the upper end outer wall of oil feed body extends there is the conical surface boss, and the lower extreme of oil feed body extends there is the cartridge body, distributes on the circumference outer wall of cartridge body and is provided with the bulge, and the lower extreme outer wall of cartridge body is provided with the step annular that multistage diameter reduces gradually.
An oil valve injection molding device comprises a lower die base plate, a lower die cushion block, a lower die base, a lower die core, an upper die base plate, an upper die cushion block, an upper die base, a first upper die core and a second upper die core, wherein the lower die base plate is provided with the lower die base through the lower die cushion block, the lower die base is provided with the lower die core, the lower die core is provided with two injection molding station through holes, the upper end surface of the lower die core is provided with a lower die insert corresponding to the injection molding station through holes, the middle of the lower die insert is provided with an insert through hole, the upper end surface of the lower die insert is provided with an insert step ring groove corresponding to the insert through hole, a first sliding block is vertically arranged in the injection molding station through hole in a sliding manner, a transverse through groove which is transversely communicated is formed in the first sliding block, the upper end; the upper end surface of the sliding block inserting column is provided with a sliding block inserting column hole communicated with the transverse through groove;
second sliding blocks are respectively inserted at two ends of the transverse through groove in a sliding manner, and a sliding block half-cavity for injection molding of the pipe body, the protruding part and the step ring groove is formed in the inner side end of each second sliding block;
a barrel inner needle is fixed on the lower die seat plate and sequentially penetrates through the lower die seat, the first sliding block, the sliding block half-cavity and the sliding block plunger hole, when die assembly is carried out, the upper end of the barrel inner needle is in abutting connection with a central protruding column extending from the lower end face of the first upper die core or the lower end face of the second upper die core, a barrel is slidably sleeved on the barrel inner needle, the upper end of the barrel sequentially penetrates through the lower die seat and the first sliding block and extends to the sliding block half-cavity, when die disassembly is carried out, the barrel rises, the upper end of the barrel abuts against the lower end face of the cartridge tube body, and the whole oil valve body is ejected out along the barrel inner needle;
the upper die base plate is provided with an upper die base through an upper die cushion block, the lower end face of the upper die base is provided with a first upper die core for injection molding of a soft rubber injection part and a second upper die core for injection molding of a hard rubber injection part, the upper end face of the first upper die core is provided with a first injection molding groove, the lower end face of the first upper die core is provided with a first injection molding ring groove for injection molding of a back-off ring, the center of the bottom of the first injection molding groove is provided with a first injection heating nozzle communicated with the first injection molding ring groove, and the lower end face of the first upper die core is attached to the upper end face of the lower die;
the mould benevolence up end has been seted up the second and has been annotated plastics the groove on the second, the second is gone up the mould benevolence down the terminal surface and is offered the mould benevolence annular of going up that is used for moulding plastics the conical surface boss around central projection, the lower extreme of mould benevolence still is provided with two and goes up the bullet piece on the second, it is provided with the bullet piece half-cavity that is used for moulding plastics oil feed body and body flange to go up the bullet piece inboard in every, it still is provided with the half passageway of moulding plastics that communicates with bullet piece half-cavity to go up the bullet piece inboard in every, during the compound die, terminal surface and the laminating of lower mould benevolence up end under two and go up the bullet piece, two half passageways of moulding plastics.
As a further scheme of the utility model, still including the first actuating mechanism who is used for driving first slider and goes up and down, first actuating mechanism includes first shovel machine, second shovel machine and shovel quick-witted mount pad, be fixed with the lower mould benevolence locating piece that corresponds with lower mould benevolence tip on the die holder, the vertical slip of vertical section of second shovel machine is worn to establish in lower mould benevolence locating piece, the slip cartridge of the slope section of second shovel machine is in the slant guide slot of shovel quick-witted mount pad, shovel quick-witted mount pad lateral sliding sets up inside the die holder, be fixed with two first shovel machines on the lateral wall of shovel quick-witted mount pad, the free end of first shovel machine is fixed and is provided with the inclined plane guide rail, the slip of first slider bottom sets up on the inclined plane guide rail, the vertical section and the upper die base fixed connection of second shovel machine.
As a further scheme of the utility model, still including the second actuating mechanism who is used for driving the second slider sideslip, second actuating mechanism includes the third shovel machine, the outside end body coupling of second slider has the take-up housing, and the take-up housing slides and sets up inside the die holder, the slope section slip cartridge of third shovel machine is in the slant guide slot of take-up housing, the upper end and the upper die base fixed connection of third shovel machine.
As a further scheme of the present invention, two oblique guide holes are formed on two sides of the upper end of the upper die elastic block, the two oblique guide holes are in a shape like a Chinese character 'ba', spring rods are installed in the oblique guide holes, and the upper ends of the spring rods are inserted into oblique guide holes formed in the lower end surfaces of the upper die base, the first upper die core or the second upper die core;
two inclined elastic block sliding rails are further fixed on the lower end face of the upper die base corresponding to each injection molding station, and the outer inclined walls of the two upper die elastic blocks are respectively arranged on the corresponding inclined elastic block sliding rails in a sliding mode;
the lower end face of the upper die base corresponds to each injection molding station and is further fixedly provided with four limiting blocks, oblique guide grooves with lower end openings are formed in the side walls of the two sides of the upper die elastic block, and each limiting block is arranged in the corresponding oblique guide groove in a sliding mode.
As the utility model discloses further scheme, lower mould bedplate top is provided with the top and moves the push pedal, and the top is moved and is offered the interior needle through-hole that supplies an department section of thick bamboo interior needle to pass on the push pedal, and the top is moved the push pedal top and is fixed with the pressfitting fixed plate, and the pressfitting fixed plate will be pressed the department section of thick bamboo cap of a department section of thick bamboo lower extreme and paste on the push pedal is moved in the top, and a fixed set of department section of thick bamboo drives actuating cylinder on the outer wall of lower bolster, and the department section of thick bamboo drives actuating cylinder.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an automobile fuel tank is with fuel tap ebonite portion of moulding plastics adopts the polyamide plastics that adds glass fiber, and flexible glue portion of moulding plastics adopts high density polyethylene plastics for flexible glue portion of moulding plastics is as being connected the welding position with the plastics oil tank, can be connected closely more and lean on with the oil tank, can guarantee with the welding function of plastics oil tank, can guarantee again to hinder the infiltration function, can effectively reduce the emission of hydrocarbon in the oil tank; the hard glue injection molding part and the soft glue injection molding part can be tightly connected in the injection molding process, the connection reliability is enhanced, the radial force applied to the oil valve body can be borne, and the product quality is greatly improved; the utility model discloses an automobile is fuel tap for oil tank overall reliability is high, and life cycle satisfies the operation requirement of oil tank, car.
The oil valve injection molding device can efficiently complete injection molding of the oil valve body, and the hard glue injection molding part of the product in the previous process can simultaneously perform injection molding on the soft glue injection molding part of the product in the next process in the injection molding process, so that the production and processing time of the product is greatly shortened, and the manufacturing efficiency of injection molding production is improved; the oil valve injection molding device is reasonable in structural design, and after injection molding is completed, rapid demolding of products can be achieved.
Drawings
FIG. 1 is a schematic perspective view of an oil valve for an automobile oil tank;
FIG. 2 is a schematic view of a cut-away perspective view of an oil valve for an automobile oil tank;
FIG. 3 is a schematic view of a three-dimensional structure of an oil valve for an automobile oil tank without a soft rubber injection molding part;
FIG. 4 is a schematic perspective view of a soft rubber injection molding part in an oil valve for an automobile oil tank;
FIG. 5 is a schematic cross-sectional structure view of a soft rubber injection molding part in an oil valve for an automobile oil tank;
FIG. 6 is a schematic overall perspective view of an injection molding device for an oil valve;
FIG. 7 is a schematic perspective view of an injection molding apparatus with an upper mold base removed;
FIG. 8 is a schematic perspective view of a lower mold core, an upper mold spring block, and a second upper mold core of an oil valve injection molding device;
FIG. 9 is a schematic view of a three-dimensional structure of a lower mold core and an upper mold spring block in an injection molding device for an oil valve;
FIG. 10 is a schematic cross-sectional view of a lower mold core and a first upper mold core of an oil valve injection molding apparatus;
FIG. 11 is a partially enlarged schematic view of a lower mold core and a first upper mold core of an oil valve injection molding device;
FIG. 12 is a schematic cross-sectional view of a lower mold core, an upper mold spring block, and a second upper mold core of an oil valve injection molding apparatus;
fig. 13 is a partially enlarged structural view of the lower mold core, the upper mold spring block and the second upper mold core of the oil valve injection molding device.
In the figure: 100-an oil valve body, 110-a hard rubber injection molding part, 101-an oil inlet pipe body, 102-a conical boss, 103-a pipe body flange, 104-an inner inverted ring groove, 105-an embedded groove, 106-an inserted pipe body, 107-a bulge, 108-a step ring groove, 109-a positioning strip, 120-a soft rubber injection molding part, 121-an outer ring, 122-an inverted ring and 123-an embedded block;
1-upper die base plate, 2-upper die cushion block, 3-upper die base, 31-first upper die core, 32-first plastic injection groove, 33-first injection nozzle, 34-first injection ring groove, 35-second upper die core, 36-second plastic injection groove, 37-second injection nozzle, 38-upper die core ring groove, 39-central convex column, 311-upper die elastic block, 312-injection half channel, 313-elastic block half cavity, 314-oblique guide groove, 315-limiting block, 316-oblique elastic block slide rail, 317-spring rod, 4-lower die base plate, 5-lower die cushion block, 6-lower die base, 61-lower die core, 62-first slide block, 621-slide block insert column, 622-slide block insert column hole, 63-second slide block, 631-slide block half cavity, 64-lower die insert, 7-first driving mechanism, 71-second shovel, 72-shovel mounting seat, 73-first shovel, 74-lower die core positioning block, 8-second driving mechanism, 81-third shovel, 82-slider seat, 9-barrel driving cylinder, 91-pushing push plate, 92-pressing fixed plate, 93-barrel inner needle and 94-barrel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 13, the present invention provides a technical solution: the utility model provides an automobile is fuel tank and uses fuel tap, includes fuel tap body 100, and fuel tap body 100 includes that the ebonite of a body coupling moulds plastics portion 110 and flexible glue portion 120 of moulding plastics, and ebonite portion 110 of moulding plastics includes oil feed body 101, and integrative extension has body flange 103 on the circumference outer wall of oil feed body 101, and the lower terminal surface of body flange 103 is provided with interior back-off ring groove 104, flexible glue portion 120 of moulding plastics includes back-off ring 122 and the outside outer ring 121 that extends of back-off ring 122 lower extreme outer wall, back-off ring 122 inlays the dress in interior back-off ring groove 104. The outer wall of the body flange 103 also extends with a positioning strip 109.
The hard glue injection part 110 is made of polyamide plastic (such as PA12+ GF 30) added with glass fiber, and the soft glue injection part 120 is made of high-density polyethylene plastic (such as HDPE).
The upper end of the inverted ring groove 122 is provided with a conical end face, the conical end face is provided with a plurality of embedding blocks 123 in a distributed mode, and the inner end face of the inner inverted ring groove 122 is provided with a plurality of embedding grooves 105 corresponding to the embedding blocks 123. By adopting the structural design, the hard glue injection molding part 110 and the soft glue injection molding part 120 can be tightly connected in the injection molding process, the connection reliability is enhanced, the radial force exerted on the oil valve body 100 can be borne, and the product quality is greatly improved.
The outer wall of the upper end of the oil inlet pipe body 101 extends to form a conical boss 102, the lower end of the oil inlet pipe body 101 extends to form a cartridge pipe body 106, the outer wall of the circumference of the cartridge pipe body 106 is distributed with bulges 107, and the outer wall of the lower end of the cartridge pipe body 106 is provided with a multi-stage step ring groove 108 with gradually reduced diameter. Facilitating subsequent installation and use.
The utility model discloses an automobile fuel tank is with fuel tap ebonite portion of moulding plastics 110 adopts the polyamide plastics that adds glass fiber, and flexible glue portion of moulding plastics 120 adopts high density polyethylene plastics for flexible glue portion of moulding plastics 120 is as being connected the welding position with the plastics oil tank, can be connected closely more and lean on with the oil tank, can guarantee the welding function with the plastics oil tank, can guarantee again to hinder the infiltration function, can effectively reduce the emission of hydrocarbon in the oil tank; the utility model discloses an automobile is fuel tap for oil tank overall reliability is high, and life cycle satisfies the operation requirement of oil tank, car.
An oil valve injection molding device comprises a lower die seat plate 4, a lower die cushion block 5, a lower die seat 6, a lower die core 61, an upper die seat plate 1, an upper die cushion block 2, an upper die seat 3, a first upper die core 31 and a second upper die core 35, the lower die base plate 4 is provided with a lower die base 6 through a lower die cushion block 5, the lower die base 6 is provided with a lower die core 61, the lower die core 61 is provided with two injection station through holes, the upper end surface of the lower die core 61 is provided with a lower die insert 64 corresponding to the injection station through holes, the middle of the lower die insert 64 is provided with an insert through hole, the upper end surface of the lower die insert 64 is provided with an insert step ring groove corresponding to the insert through hole, a first sliding block 62 is vertically arranged in the injection station through hole in a sliding manner, a transverse through groove which transversely penetrates through the first sliding block 62 is formed in the first sliding block 62, a sliding block insert column 621 inserted into the insert through hole extends from the upper end of the first sliding block 62, and the; the upper end surface of the sliding block inserting column 621 is provided with a sliding block inserting column hole 622 communicated with the transverse through groove; the slider plunger hole 622 is used for injection molding of the lower section of the oil inlet pipe body 101.
The two ends of the transverse through groove are respectively inserted with second sliding blocks 63 in a sliding manner, and the inner side end of each second sliding block 63 is provided with a sliding block half-cavity 631 for injection molding of the insertion pipe body 106, the protruding part 107 and the step ring groove 108; the two slide half-cavities 631 are split for injection molding the cartridge body 106, the protrusion 107 and the stepped ring groove 108.
An ejector sleeve inner needle 93 is fixed on the lower die seat plate 4, the ejector sleeve inner needle 93 sequentially penetrates through the lower die seat 6, the first sliding block 62, the sliding block half-cavity 631 and the sliding block plunger hole 622, when die assembly is carried out, the upper end of the ejector sleeve inner needle 93 is in abutting connection with the central convex column 39 extending from the lower end face of the first upper die core 31 or the lower end face of the second upper die core 35, an ejector sleeve 94 is slidably sleeved on the ejector sleeve inner needle 93, the upper end of the ejector sleeve 94 sequentially penetrates through the lower die seat 6 and the first sliding block 62 and extends to the sliding block half-cavity 631, when die assembly is carried out, the ejector sleeve 94 ascends, the upper end of the ejector sleeve 94 abuts against the lower end face of the cartridge tube body 106, and the whole oil valve body 100 is ejected;
the upper die base plate 1 is provided with an upper die base 3 through an upper die cushion block 2, the lower end face of the upper die base 3 is provided with a first upper die core 31 for injection molding of a soft rubber injection part 120 and a second upper die core 35 for injection molding of a hard rubber injection part 110, the upper end face of the first upper die core 31 is provided with a first injection molding groove 32, the lower end face of the first upper die core 31 is provided with a first injection molding ring groove 34 for injection molding of a back-off ring 122, the center of the bottom of the first injection molding groove 32 is provided with a first injection heating nozzle 33 communicated with the first injection molding ring groove 34, and when die assembly is carried out, the lower end face of the first upper die core 31 is attached to the upper end;
the second is gone up mould benevolence 35 up end and has been seted up the second and has been annotated plastics groove 36, mould benevolence 35 lower terminal surface is offered around central projection 39 and is used for moulding plastics the last mould benevolence annular 38 of conical surface boss 102 on the second, the lower extreme of mould benevolence 35 still is provided with two and goes up mould bullet piece 311 on the second, it is provided with the bullet piece half cavity 313 that is used for moulding plastics oil feed body 101 and body flange 103 to go up mould bullet piece 311 inboard every, it still is provided with the half passageway 312 of moulding plastics that communicates with bullet piece half cavity 313 to go up mould bullet piece 311 inboard on every, during the compound die, two go up the laminating of mould bullet piece 311 lower extreme and lower mould benevolence 61 up end, two are moulded plastics half passageway 312 and are merged and are formed the passageway of moulding plastics, the second.
Preferably, the utility model also comprises a first driving mechanism 7 for driving the first sliding block 62 to lift, only the periphery of the first upper mold core 31 is provided with the first driving mechanism 7, the first driving mechanism 7 comprises a first shoveling machine 73, a second shoveling machine 71 and a shoveling machine mounting seat 72, the lower mold base 6 is fixed with a lower mold core positioning block 74 corresponding to the end of the lower mold core 61, the vertical section of the second shoveling machine 71 is vertically slidably arranged in the lower mold core positioning block 74, the inclined section of the second shoveling machine 71 is slidably inserted in the inclined guide groove of the shoveling machine mounting seat 72, the shoveling machine mounting seat 72 is transversely slidably arranged in the lower mold base 6, two first shoveling machines 73 are fixed on the side wall of the shoveling machine mounting seat 6, the free end of the first shoveling machine 73 is fixedly provided with an inclined guide rail, the bottom end of the first sliding block 62 is arranged on the inclined guide rail in a sliding mode, and the vertical section of the second shovel machine 71 is fixedly connected with the upper die base 3. The height position of the first sliding block 62 is finely adjusted through the first driving mechanism 7, after the injection molding of the soft rubber injection molding part 120 is completed, the first sliding block 62 is driven to descend by a small distance during mold opening, so that the upper end surface of the sliding block inserting column 621 is separated from the soft rubber injection molding part 120, the hard rubber is filled in when the subsequent hard rubber is injected, and the inner inverted buckle ring groove 104 for covering the inverted buckle ring 122 is formed.
Preferably, the utility model discloses still including the second actuating mechanism 8 that is used for driving second slider 63 sideslip, only second upper die benevolence 35 periphery just installs second actuating mechanism 8, and second actuating mechanism 8 includes third shovel machine 81, outside end an organic whole of second slider 63 is connected with slider seat 82, and slider seat 82 slides and sets up inside lower die base 6, the slope section slip cartridge of third shovel machine 81 is in slider seat 82's slant guide slot, third shovel machine 81's upper end and upper die base 3 fixed connection. When the mold is opened, the lower die holder 6 is separated from the upper die holder 3, and the inclined section of the third shoveling machine 81 drives the slider seat 82 to move transversely outwards, so that the two second sliders 63 are separated, namely the two slider half-cavities 631 are separated, and the demolding of the protruding part 107 and the step ring groove 108 is facilitated.
Preferably, two oblique guide holes are formed in two sides of the upper end of the upper die elastic block 311, the two oblique guide holes are in a shape like a Chinese character 'ba', a spring rod 317 is installed in each oblique guide hole, and the upper end of each spring rod 317 is inserted into an oblique guide hole formed in the lower end surface of the upper die holder 3, the first upper die core 31 or the second upper die core 35; when the die is closed, the spring rod 317 is stressed and shortened, and the upper die elastic block 311 is attached to the lower die core 61; when the oil valve body 100 is opened, the spring rod 317 extends to drive the two upper die elastic blocks 311 to open, so that the oil valve body 100 can be conveniently demoulded.
Two inclined elastic block sliding rails 316 are further fixed at the lower end face of the upper die holder 3 corresponding to each injection molding station, and the outer inclined walls of the two upper die elastic blocks 311 are respectively arranged on the corresponding inclined elastic block sliding rails 316 in a sliding manner; when the mold is opened, the two upper mold spring blocks 311 are respectively opened along the corresponding inclined spring block slide rails 316.
The lower end face of the upper die holder 3 is also fixed with four limit blocks 315 corresponding to each injection molding station, the side walls of the two sides of the upper elastic die block 311 are provided with oblique guide grooves 314 with openings at the lower ends, and each limit block 315 is slidably arranged in the corresponding oblique guide groove 314. When the upper elastic module 311 is completely opened, the limiting block 315 is located at the upper end of the inclined guide groove 314 to limit the upper elastic module 311, so as to prevent the upper elastic module 311 from being dislocated.
Preferably, a pushing plate 91 is arranged above the lower die seat plate 4, an inner needle through hole for passing an inner needle 93 of the ejector sleeve is formed in the pushing plate 91, a pressing fixing plate 92 is fixed above the pushing plate 91, an ejector sleeve cap at the lower end of the ejector sleeve 94 is pressed and attached to the pushing plate 91 by the pressing fixing plate 92, a group of ejector sleeve driving cylinders 9 is fixed on the outer wall of the lower die seat 6, and the telescopic ends of the ejector sleeve driving cylinders 9 are respectively fixedly connected with the end portions of the corresponding pushing plates 91.
The injection molding processing method of the oil valve comprises the following steps:
s1, moving the lower die holder 6 upwards, assembling the lower die holder 6 and the upper die holder 3, respectively attaching the first upper die core 31 and the second upper die core 35 to the lower die core 61 on the corresponding injection molding station, injecting soft rubber into the first injection molding ring groove 34 through the first injection hot nozzle 33 at the bottom of the first injection molding groove 32, and performing primary injection molding to form a soft rubber injection molding part 120;
s2, after injection is completed, the lower die base 6 moves downwards, the lower die base 6 and the upper die base 3 are opened, the whole upper die base 3 is rotated by 180 degrees, then the lower die base 6 moves upwards, the lower die base 6 and the upper die base 3 are closed again, the injection molding station containing the soft rubber injection molding part 120 is positioned below the second upper die core 35, the corresponding second shoveling machine 71 is driven to move upwards for a certain distance, the second shoveling machine 71 pushes the first shoveling machine 73 to move outwards in a transverse mode, and the inclined guide rail at the free end of the first shoveling machine 73 drives the first sliding block 62 to move downwards for a certain distance, so that the upper end face of the sliding block insert column 621 is separated from the soft rubber injection molding part 120;
s3, injecting hard glue into the injection molding channel through a second injection nozzle 37 at the bottom of the second injection molding groove 36, wherein the hard glue flows into the half cavity 313 of the elastic block through the injection molding channel and finally fills the whole cavity to form a hard glue injection molding part 110;
s4, after injection is completed, after the hard glue injection part 110 and the soft glue injection part 120 are combined to form the oil valve body 100, the oil valve body is placed and cooled, then the lower die base 6 moves downwards, the lower die base 6 and the upper die base 3 are opened, and in the opening process, the third shovel machine 81 drives the corresponding second sliding blocks 63 to move outwards, so that the two sliding block half-cavities 631 are separated, and die opening is realized;
s5, the ejector sleeve driving cylinder 9 drives the ejection push plate 91 to move upwards, the ejection push plate 91 drives the ejector sleeve 94 to ascend, the upper end of the ejector sleeve 94 abuts against the lower end face of the cartridge tube body 106, the whole oil valve body 100 is ejected out along the inner needle 93 of the ejector sleeve, and then the oil valve can be taken out.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides an automobile is fuel tap for oil tank, includes fuel tap body (100), its characterized in that: the oil valve body (100) comprises an integrally connected hard rubber injection molding part (110) and a soft rubber injection molding part (120), the hard rubber injection molding part (110) comprises an oil inlet pipe body (101), a pipe body flange (103) extends integrally on the outer wall of the circumference of the oil inlet pipe body (101), an inner inverted ring groove (104) is formed in the lower end face of the pipe body flange (103), the soft rubber injection molding part (120) comprises an inverted ring (122) and an outer ring (121) extending outwards from the outer wall of the lower end of the inverted ring (122), and the inverted ring (122) is embedded in the inner inverted ring groove (104).
2. The fuel valve for the fuel tank of the automobile as claimed in claim 1, wherein: the hard glue injection molding part (110) is made of polyamide plastics added with glass fibers, and the soft glue injection molding part (120) is made of high-density polyethylene plastics.
3. The fuel valve for the fuel tank of the automobile as claimed in claim 1, wherein: the upper end of the inverted buckle ring groove (122) is provided with a conical end face, the conical end face is provided with a plurality of embedding blocks (123), and the inner end face of the inner inverted buckle ring groove (104) is provided with a plurality of embedding grooves (105) corresponding to the embedding blocks (123).
4. The fuel valve for the fuel tank of the automobile as claimed in claim 1, wherein: the outer wall of the upper end of the oil inlet pipe body (101) extends to form a conical boss (102), the lower end of the oil inlet pipe body (101) extends to form a plug pipe body (106), protruding portions (107) are distributed on the outer wall of the circumference of the plug pipe body (106), and a multi-stage step ring groove (108) with gradually reduced diameter is formed in the outer wall of the lower end of the plug pipe body (106).
5. The utility model provides an oil valve processingequipment that moulds plastics, includes lower mould bedplate (4), lower mould cushion (5), die holder (6), the benevolence (61) of lower mould, goes up die holder board (1), goes up die cushion (2), upper die base (3), first upper die benevolence (31) and second upper die benevolence (35), its characterized in that: the lower die base plate (4) is provided with a lower die base (6) through a lower die cushion block (5), a lower die core (61) is arranged on the lower die base (6), two injection molding station through holes are formed in the lower die core (61), a lower die insert (64) is arranged at the upper end face of the lower die core (61) corresponding to the injection molding station through holes, an insert through hole is formed in the middle of the lower die insert (64), an insert step ring groove is formed in the upper end face of the lower die insert (64) corresponding to the insert through hole, a first sliding block (62) is vertically arranged in the injection molding station through hole in a sliding manner, a transverse through groove which transversely penetrates through the first sliding block (62), a sliding block insert column (621) inserted into the insert through hole extends from the upper end of the first sliding block (62), and the circumferential outer wall at the upper; the upper end surface of the sliding block inserting column (621) is provided with a sliding block inserting column hole (622) communicated with the transverse through groove;
two ends of the transverse through groove are respectively inserted with second sliding blocks (63) in a sliding manner, and the inner side end of each second sliding block (63) is provided with a sliding block half-cavity (631) for injection molding of an insertion pipe body (106), a protruding part (107) and a step ring groove (108);
an ejector sleeve inner needle (93) is fixed on the lower die seat plate (4), the ejector sleeve inner needle (93) sequentially penetrates through the lower die seat (6), a first sliding block (62), a sliding block half-cavity (631) and a sliding block column inserting hole (622), during die assembly, the upper end of the ejector sleeve inner needle (93) is in abutting connection with a central convex column (39) extending from the lower end face of a first upper die core (31) or the lower end face of a second upper die core (35), an ejector sleeve (94) is slidably sleeved on the ejector sleeve inner needle (93), the upper end of the ejector sleeve (94) sequentially penetrates through the lower die seat (6) and the first sliding block (62) and extends to the sliding block half-cavity (631), during demolding, the ejector sleeve (94) ascends, the upper end of the ejector sleeve (94) abuts against the lower end face of the insertion tube body (106), and the whole oil valve body (100) is ejected out along the ejector sleeve inner needle (;
the injection molding machine is characterized in that an upper die base plate (1) is provided with an upper die base (3) through an upper die cushion block (2), the lower end surface of the upper die base (3) is provided with a first upper die core (31) used for an injection molding soft rubber injection molding part (120) and a second upper die core (35) used for an injection molding hard rubber injection molding part (110), the upper end surface of the first upper die core (31) is provided with a first injection molding groove (32), the lower end surface of the first upper die core (31) is provided with a first injection molding annular groove (34) used for an injection molding undercut ring (122), the center of the bottom of the first injection molding groove (32) is provided with a first injection nozzle (33) communicated with the first injection molding annular groove (34), and during die assembly, the lower end surface of the first upper die core (31) is attached to the;
the upper end surface of the second upper die core (35) is provided with a second plastic injection groove (36), the lower end surface of the second upper die core (35) is provided with an upper die core ring groove (38) used for injection molding of the conical boss (102) around the central convex column (39), the lower end of the second upper die core (35) is also provided with two upper die spring blocks (311), the inner side of each upper die spring block (311) is provided with a spring block half cavity (313) used for injection molding of the oil inlet pipe body (101) and the pipe body flange (103), the inner side of each upper die spring block (311) is also provided with an injection molding half channel (312) communicated with the spring block half cavity (313), when die assembly is carried out, the lower end surfaces of the two upper die elastic blocks (311) are jointed with the upper end surface of the lower die core (61), the two injection molding half channels (312) are combined to form an injection molding channel, and a second heat injection nozzle (37) communicated with the injection molding channel is formed in the center of the bottom of the second plastic injection groove (36).
6. The injection molding device for the oil valve according to claim 5, wherein: the die core forming machine further comprises a first driving mechanism (7) used for driving the first sliding block (62) to lift, the first driving mechanism (7) comprises a first shovel machine (73), a second shovel machine (71) and a shovel machine mounting seat (72), a lower die core positioning block (74) corresponding to the end portion of the lower die core (61) is fixed on the lower die seat (6), a vertical section of the second shovel machine (71) vertically penetrates through the lower die core positioning block (74) in a sliding mode, an inclined section of the second shovel machine (71) is inserted into an inclined guide groove of the shovel machine mounting seat (72) in a sliding mode, the shovel machine mounting seat (72) is arranged inside the lower die seat (6) in a transverse sliding mode, two first shovel machines (73) are fixed on the side wall of the shovel machine mounting seat (72), and an inclined guide rail is fixedly arranged at the free end of each first shovel machine (73), the bottom end of the first sliding block (62) is arranged on the inclined guide rail in a sliding mode, and the vertical section of the second shoveling machine (71) is fixedly connected with the upper die base (3).
7. The injection molding device for the oil valve according to claim 5, wherein: the sliding block forming machine is characterized by further comprising a second driving mechanism (8) used for driving the second sliding block (63) to transversely move, the second driving mechanism (8) comprises a third shovel machine (81), a sliding block seat (82) is integrally connected to the outer side end of the second sliding block (63), the sliding block seat (82) is arranged inside the lower die base (6) in a sliding mode, an inclined section of the third shovel machine (81) is inserted into an inclined guide groove of the sliding block seat (82) in a sliding mode, and the upper end of the third shovel machine (81) is fixedly connected with the upper die base (3).
8. The injection molding device for the oil valve according to claim 5, wherein: oblique guide holes are formed in two sides of the upper end of the upper die elastic block (311), the two oblique guide holes are in a shape like a Chinese character 'ba', spring rods (317) are installed in the oblique guide holes, and the upper ends of the spring rods (317) are inserted into the oblique guide holes formed in the lower end faces of the upper die base (3), the first upper die core (31) or the second upper die core (35);
the lower end face of the upper die holder (3) is also fixedly provided with two inclined elastic block sliding rails (316) corresponding to each injection molding station, and the outer inclined walls of the two upper die elastic blocks (311) are respectively arranged on the corresponding inclined elastic block sliding rails (316) in a sliding manner;
the lower end face of the upper die base (3) corresponds to each injection molding station and is further fixedly provided with four limiting blocks (315), the side walls of the two sides of the upper die elastic block (311) are provided with inclined guide grooves (314) with lower end openings, and each limiting block (315) is arranged in the corresponding inclined guide groove (314) in a sliding mode.
9. The injection molding device for the oil valve according to claim 5, wherein: lower mould bedplate (4) top is provided with top and moves push pedal (91), sets up the interior needle through-hole that supplies department section of thick bamboo interior needle (93) to pass on top moves push pedal (91), and top is moved push pedal (91) top and is fixed with pressfitting fixed plate (92), and pressfitting fixed plate (92) will be pressed the department's section of thick bamboo cap of department section of thick bamboo (94) lower extreme and paste on top moves push pedal (91), and a set of department's section of thick bamboo of fixed drives actuating cylinder (9) on the outer wall of die holder (6), and the flexible end that the department's section of thick bamboo drove actuating cylinder (9) moves push pedal (91) tip fixed connection.
CN201921390058.6U 2019-08-26 2019-08-26 Oil valve for automobile oil tank and oil valve injection molding device Active CN210372210U (en)

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CN201910789297.7A CN110410548A (en) 2019-08-26 2019-08-26 A kind of automotive oil tank oil valve, oil valve injection molding device and method
CN201921390058.6U CN210372210U (en) 2019-08-26 2019-08-26 Oil valve for automobile oil tank and oil valve injection molding device

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CN201910789297.7A CN110410548A (en) 2019-08-26 2019-08-26 A kind of automotive oil tank oil valve, oil valve injection molding device and method
CN201921390058.6U CN210372210U (en) 2019-08-26 2019-08-26 Oil valve for automobile oil tank and oil valve injection molding device

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CN110410548A (en) * 2019-08-26 2019-11-05 苏州市振业模具有限公司 A kind of automotive oil tank oil valve, oil valve injection molding device and method
WO2023178459A1 (en) * 2022-03-23 2023-09-28 佛山市美万邦科技有限公司 Mechanism for forming inner inverted snap-fit ring of paper-molded cup lid

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