CN208812427U - A kind of fresh air upper cover injection mold - Google Patents

Abstract

The utility model discloses a kind of fresh air upper cover injection molds, belong to injection mold field, its key points of the technical solution are that including cover half fixed plate, backing plate, solid plate, moving template and dynamic mould fixing plate, the cover half fixed plate, backing plate, solid plate, moving template and dynamic mould fixing plate are sequentially arranged, the first cavity plate is provided in the solid plate, the second cavity plate is provided in the moving template, first cavity plate offsets with the second cavity plate and forms type chamber identical with required molding plastic parts shape, the ejector retainner plate that the solid plate slidably connects, several thimbles are vertically equipped on the ejector retainner plate, the thimble penetrates into the first cavity plate, certain model fresh air upper cover of this fresh air upper cover injection mold special molding.

Description

A kind of fresh air upper cover injection mold

Technical field

The utility model relates to injection mold field, in particular to a kind of fresh air upper cover injection mold.

Background technique

Injection mold is a kind of work that plastic product is produced in modern industry, is suitable for producing moulding in enormous quantities, The detailed process of injection molding is that injection mold is mounted on injection molding machine first, and injection molding machine adds the injection molding colloid of heating and melting It is injected into the type chamber of injection mold after pressure, waits plastic parts moulding after plastics cooled and solidified.

With society and economic progress, more and more that fresh air system is selected to replace air-conditioning, fresh air system is by blowing A set of independent air processing system of system and exhaust system composition, enters interior for outer space conductance, then room is discharged in room air Outside, it is suitable for large area Administrative Area to use.As shown in Figure 1, existing need to produce and use in the fresh air in fresh air system equipment A is covered, now needs to design a kind of dedicated injection mold for being exclusively used in production fresh air upper cover a.

Utility model content

The purpose of the utility model is to provide a kind of fresh air upper cover injection molds, the advantage is that special molding fresh air upper cover a。

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of fresh air upper cover injection mold, including cover half fixed plate, backing plate, solid plate, moving template and dynamic mould fixing plate, institute It states cover half fixed plate, backing plate, solid plate, moving template and dynamic mould fixing plate to be sequentially arranged, the first type is provided in the solid plate Cavity plate, is provided with the second cavity plate in the moving template, first cavity plate and the second cavity plate offset composition with it is required at The identical type chamber of type plastic parts shape, the ejector retainner plate that the solid plate slidably connects vertically are equipped with several tops on the ejector retainner plate Needle, the thimble penetrate into the first cavity plate.

By using above-mentioned technical proposal, cover half fixed plate, backing plate and solid plate collectively constitute cover half and pass through cover half Fixed plate is mounted on one end of the fixed injecting glue of injection molding machine；Moving template and dynamic mould fixing plate composition dynamic model are mounted on the activity of injection molding machine One end, when injection molding, dynamic model and cover half are molded, i.e. the first cavity plate and the second cavity plate offset and form molding The type chamber of fresh air upper cover a, by into type chamber inject molten state plastics colloid, later cooled and solidified form, at this time dynamic model and Cover half die sinking separation is again ejected molding plastic by thimble from the first cavity plate.

Further, solid plate is vertically installed with several limited posts towards backing plate on one side, and the ejector retainner plate is set in limit Position column and ejector retainner plate move reciprocatingly along limited post.

By using above-mentioned technical proposal, limited post is mainly used for limiting and determining the direction of motion of ejector retainner plate, and Multiple limited post cooperations improve the installation accuracy of ejector retainner plate.

Further, cover half fixed plate is equipped with several spacer pins, and it is solid towards cover half that the spacer pin is inserted into limited post One end of fixed board.

By using above-mentioned technical proposal, spacer pin be mainly used for it is mating with limited post, be mainly used for improve cover half Fixed plate and solid plate cooperate precision.

Further, ejector retainner plate is fixedly connected with ejector plate towards backing plate on one side, is equipped with Jiao Kou in the solid plate Plate, the glue oralia are located at the center of ejector plate.

By using above-mentioned technical proposal, ejector plate can move with ejector retainner plate and when the pole of ejector retainner plate movement When extreme position, ejector plate offsets with backing plate prevents ejector retainner plate from moving, and the installation that glue oralia is mainly used for providing runner is empty Between.

Further, backing plate internal vertical is equipped with sprue, and the glue oralia is provided with runner towards backing plate on one side, described The inside of solid plate is also vertically installed with the injecting glue road being connected to type chamber, and the sprue and injecting glue road are respectively communicated in runner Both ends.

By using above-mentioned technical proposal, during molten state plastics colloid injects mold, molten state plastics colloid Successively pass through sprue, runner and injecting glue road, runner is horizontally disposed to advantageously reduce molten state plastics colloid Flowing velocity makes molten state plastics colloid more gently by injecting glue road injection type chamber.

Further, the one side of ejector retainner plate towards dynamic mould fixing plate is vertically equipped with several connection sleeves, and the dynamic model is fixed The connecting column for being vertically installed on plate and connecting sleeve and plug cooperation.

By using above-mentioned technical proposal, be conducive to the installation site of more accurate determination ejector retainner plate.

Further, the end of connecting column is equipped with nylon shutter, and the connecting column is inserted into company by nylon shutter In female connector cylinder.

By using above-mentioned technical proposal, nylon shutter is mainly that resin rubber is made, itself has good elasticity, Nylon shutter has certain frictional resistance, during die sinking, connecting column with sleeve interference fit is connect between the two By nylon shutter pull connection sleeve towards dynamic model direction move, i.e., drive thimble plastic is ejected, while ejector retainner plate with Solid plate offsets, and nylon shutter can be deviate from from connection sleeve, will not influence the process of die sinking.

Further, connection sleeve is evenly arranged in the vertex of ejector retainner plate.

By using above-mentioned technical proposal, connects sleeve and be conducive to pull out ejector retainner plate by connection sleeve in such be disposed with When uniform force keep balance, the case where avoiding ejector retainner plate from tilting appearance.

Further, the internal vertical of solid plate is provided with exhaust duct, and the contact surface of the solid plate and backing plate is provided with row Air drain, the exhaust duct are connected to air discharge duct.

By using above-mentioned technical proposal, the gas that exhaust duct is mainly used in type chamber with air discharge duct is smoothly discharged, and is avoided Appearance plastic mould exhaust is bad, and the gas in type chamber is compressed, and generates very big counter-pressure, and exactly this counter-pressure prevents The normal quick mold filling of molten plastic, so that injection molding becomes difficult.

Further, the first cavity plate and the second cavity plate are respectively equipped with the first cooling pipe and the second cooling pipe, institute It states solid plate and moving template and is equipped with the first cooling-water duct and the second cooling-water duct, first cooling pipe and respectively The connection of one cooling-water duct；Second cooling pipe is connected to the second cooling-water duct.

By using above-mentioned technical proposal, due to the process of injection molding, the molten plastic cooled and solidified heat release meeting of high temperature Cause the temperature of the first cavity plate and the second cavity plate to increase the service life for reducing mold, passes through the first cooling-water duct and the Into the first cavity plate and the second cavity plate, injection cooling water avoids the first cavity plate and second type chamber to two cooling-water ducts respectively The excessively high situation of plate temperature occurs.

In conclusion the utility model has the following beneficial effects:

1. being exclusively used in injection molding fresh air upper cover a；

2. having a variety of position limiting structures, be conducive to the cooperation precision for improving mold；

3. having cooling structure, the situation for avoiding mold own temperature excessively high occurs, and improves the service life of mold.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of fresh air upper cover a；

Fig. 2 is the structural schematic diagram of fresh air upper cover injection mold；

Fig. 3 is the schematic cross-sectional view of fresh air upper cover injection mold；

Fig. 4 is the overlooking structure diagram of fresh air upper cover injection mold；

Fig. 5 is that fresh air upper cover injection mold is mainly used for embodying the structural schematic diagram of solid plate；

Fig. 6 is that fresh air upper cover injection mold is mainly used for embodying the structural schematic diagram of ejector retainner plate connection relationship.

In figure, 1, cover half fixed plate；11, gum-injecting port；12, spacer pin；2, backing plate；21, sprue；22, limited post；3, fixed Template；31, ejector plate；32, ejector retainner plate；321, thimble；322, sleeve is connected；33, the first cooling-water duct；34, air discharge duct； 35, exhaust duct；36, injecting glue road；37, glue oralia；371, runner；4, the first cavity plate；41, the first cooling pipe；5, second Cavity plate；51, the second cooling pipe；6, moving template；61, the second cooling-water duct；7, dynamic mould fixing plate；71, guide post fixed block； 711, guide post；72, positioning column；73, connecting column；731, nylon shutter.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

Embodiment: a kind of fresh air upper cover injection mold, in conjunction with shown in Fig. 2 and Fig. 3, including it is cover half fixed plate 1, backing plate 2, fixed Template 3, moving template 6 and dynamic mould fixing plate 7, and cover half fixed plate 1, backing plate 2, solid plate 3, moving template 6 and dynamic mould fixing plate 7 The contact surface of successively distribution, solid plate 3 and moving template 6 is the die joint of this mold, one side of the solid plate 3 towards moving template 6 It inlays and is provided with the first cavity plate 4, the one side of moving template 6 towards solid plate 3, which is also inlayed, is provided with the second cavity plate 5, is molding When the first cavity plate 4 offset and collectively constitute and the identical type chamber of molding plastic shape with the second cavity plate 5.

In conjunction with shown in Fig. 3 and Fig. 4, cover half fixed plate 1 offers gum-injecting port 11 away from backing plate 2 on one side, works as injection molding When, cover half fixed plate 1 is mounted on the fixed one end of injection molding machine and injects melting into injection mold by gum-injecting port 11 Plastics.The tapered design of gum-injecting port 11, is conducive to molten plastic and converges in gum-injecting port 11.

As shown in figure 3,2 internal vertical of backing plate is provided with sprue 21, the both ends of sprue 21 are located at the two of backing plate 2 Face, sprue 21 are connected to the bottom of gum-injecting port 11, and molten plastic is injected into sprue by gum-injecting port 11.In backing plate 2 also Several limited posts 22 are vertically equipped with, and are also vertically installed with the mating spacer pin of limited post 22 in cover half fixed plate 1 12, one end center of limited post 22 towards cover half fixed plate 1 is provided with for the blind hole with 12 grafting of spacer pin, limited post 22 and limit Position pin 12 is combined with the installation accuracy for being conducive to improve cover half fixed plate 1 and backing plate 2.

In conjunction with shown in Fig. 3 and Fig. 5, solid plate 3 is towards the groove for being provided with a rectangle on one side of backing plate 2, and limited post 22 is far One end from backing plate 2 is located at the bottom of above-mentioned groove, and solid plate 3 is provided with ejector plate 31 and thimble towards backing plate 2 on one side Plate 32, ejector plate 31 and ejector retainner plate 32 are bolted as an entirety, and ejector plate 31 and ejector retainner plate 32 are set in limit It can pump on the column 22 of position and along 22 direction of limited post, the one side that ejector retainner plate 32 is directed toward the first cavity plate 4 is hung down Several thimbles 321 are directly provided with, thimble 321 is threaded through the inside of the first cavity plate 4, and thimble far from one end of ejector retainner plate 32 321 can move together with ejector retainner plate 32, and thimble 321 can stretch out the first cavity plate 4 for molding moulding fresh air Upper cover a(is with reference to shown in Fig. 1) summarize ejection from mold.

In conjunction with shown in Fig. 3 and Fig. 6, the one side of ejector retainner plate 32 towards dynamic mould fixing plate 7 is vertically equipped with several connection sleeves 322.The connecting column 73 for being vertically installed on dynamic mould fixing plate 7 and connecting sleeve 322 and plug cooperation, the end of connecting column 73 is equipped with Nylon shutter 731, the connecting column 73 are inserted into connection sleeve 322 by nylon shutter 731, nylon shutter 731 Predominantly resin rubber be made thus itself have good elasticity, nylon shutter 731 with connect 322, sleeve interference fits There is certain frictional resistance between the two, during die sinking, connecting column 73 pulls connector sleeve by nylon shutter 731 Cylinder 322 is moved towards dynamic model direction, moves ejector retainner plate 32 towards 4 direction of the first cavity plate, and driving thimble 321 stretches out the first type Cavity plate 4 ejects molding plastic, while ejector retainner plate 32 offsets with solid plate 3, and nylon shutter 731 can be from connection sleeve Deviate from 322, will not influence the process of die sinking；During molding, since nylon shutter 731 has elasticity, nylon is opened Closing device 731 can be reinserted into connection sleeve 322.

In conjunction with shown in Fig. 3 and Fig. 6, connection sleeve 322 is evenly arranged in the vertex of ejector retainner plate 32, is conducive in ejector retainner plate During 32 are pulled, 32 uniform force of ejector retainner plate is made to be in equilibrium state, avoids ejector retainner plate 32 along 22 direction of limited post It does and is tilted when reciprocating motion under mountain.

In conjunction with shown in Fig. 3 and Fig. 5, glue oralia 37 is equipped in solid plate 3, glue oralia 37 is located at the centre bit of ejector plate 31 It sets, glue oralia 37 is provided with runner 371 towards backing plate 2 on one side, and the inside of solid plate 3 is also vertically installed with the note being connected to type chamber Glue road 36, sprue 21 and injecting glue road 36 are respectively communicated in 371 both ends of runner.During injection molding, molten state plastic cement Body is flowed into sprue 21 from gum-injecting port 11, since runner 371 and sprue 21 are vertically arranged, is flowed into from sprue 21 The flow velocity of molten plastic can slow down after to runner 371, be injected into type chamber by injecting glue road 36 later.

In conjunction with shown in Fig. 3 and Fig. 5, the internal vertical of solid plate 3 is equipped with several exhaust ducts 35, and solid plate 3 connects with backing plate 2 Contacting surface offers horizontally disposed air discharge duct 34, and one end of the direction backing plate 2 of exhaust duct 35 is connected to air discharge duct 34, due to this The part of kind injection molded is smaller to belong to small mould, selects die joint exhaust in the manufacturing of mold for convenience Mode, i.e. the first cavity plate 4 and 5 contact surface of the second cavity plate there are minimum gap, molten plastic density greatly can't from Gap leaks out, but the gas in type chamber can be discharged and mold is being discharged by exhaust duct 35 and air discharge duct 34, avoid gas in type Generation bubble is looked into convergence in chamber causes molding plastic surface defect occur.

In conjunction with shown in Fig. 3 and Fig. 5, the first cavity plate 4 and the second cavity plate 5 are according to the requirement of required molding plastic, and first Cavity plate 4 and the second 5 contact surfaces of cavity plate, that is, die joint setting in curved surface, are conducive to open 4 He of the first cavity plate when touching The separation that second cavity plate 5 can be convenient.First cavity plate 4 and the second cavity plate 5 are respectively equipped with the first cooling pipe 41 and Two cooling pipes 51, the solid plate 3 and moving template 6 are equipped with the first cooling-water duct 33 and the second cooling-water duct respectively 61, first cooling pipe 41 is connected to the first cooling-water duct 33；Second cooling pipe 51 and the second cooling water are logical Road 61 be connected to, at work during, the first cooling-water duct 33 and the second cooling-water duct 61 are cold with injection molding machine respectively But water source is connected, and cooling is used for water and is injected into the first cooling pipe 41 and the second cooling pipe 51 respectively, to the first cavity plate 4 It is cooled down with the second cavity plate 5, avoids causing the own temperature of mold excessively high due to injection molding, be conducive to extend mold Service life.

In conjunction with shown in Fig. 2 and Fig. 6, dynamic mould fixing plate 7 is set on one side towards moving template 6 there are two guide post fixed block 71, is led Column fixed block 71 is arranged along 7 length direction of dynamic mould fixing plate, and two guide post fixed blocks 71 are symmetrical set.Each guide post is solid Determine to be vertically arranged on block 71 there are two guide post 711, guide post 711 passes through entire mold, and be conducive to raising mold is equipped with precision, together When guiding role is also played for the process for being opened or molding.

In conjunction with shown in Fig. 2 and Fig. 6, the one side of dynamic mould fixing plate 7 towards moving template 6 is vertically equipped with several positioning columns 72, fixed Position column 72 is located between two guide post fixed blocks 71, and 72 one end of positioning column is fixedly connected with dynamic mould fixing plate 7, positioning column 72 with move Template 6 offsets, and positioning column 72 is mainly used for determining the installation site of moving template 6.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of fresh air upper cover injection mold, it is characterised in that: including cover half fixed plate (1), backing plate (2), solid plate (3), move Template (6) and dynamic mould fixing plate (7), the cover half fixed plate (1), backing plate (2), solid plate (3), moving template (6) and dynamic model are solid Fixed board (7) is sequentially arranged, and is provided with the first cavity plate (4) in the solid plate (3), is provided with second in the moving template (6) Cavity plate (5), first cavity plate (4) offset with the second cavity plate (5) and form type identical with required molding plastic parts shape Chamber, the ejector retainner plate (32) that the solid plate (3) slidably connects vertically are equipped with several thimbles (321) on the ejector retainner plate (32), The thimble (321) penetrates into the first cavity plate (4).

2. a kind of fresh air upper cover injection mold according to claim 1, it is characterised in that: solid plate (3) the direction pad Plate (2) is vertically installed with several limited posts (22) on one side, and the ejector retainner plate (32) is set in limited post (22) and ejector retainner plate (32) it moves reciprocatingly along limited post (22).

3. a kind of fresh air upper cover injection mold according to claim 2, it is characterised in that: on the cover half fixed plate (1) Equipped with several spacer pins (12), the spacer pin (12) is inserted into the one end of limited post (22) towards cover half fixed plate (1).

4. a kind of fresh air upper cover injection mold according to claim 1, it is characterised in that: ejector retainner plate (32) the direction pad Plate (2) is fixedly connected with ejector plate (31) on one side, is equipped with glue oralia (37) in the solid plate (3), the glue oralia (37) it is located at the center of ejector plate (31).

5. a kind of fresh air upper cover injection mold according to claim 4, it is characterised in that: backing plate (2) internal vertical Equipped with sprue (21), the glue oralia (37) is provided with runner (371) on one side towards backing plate (2), the solid plate (3) it is interior Portion is also vertically installed with the injecting glue road (36) being connected to type chamber, and the sprue (21) and injecting glue road (36) are respectively communicated in shunting The both ends in road (371).

6. a kind of fresh air upper cover injection mold according to claim 1, it is characterised in that: ejector retainner plate (32) direction is dynamic The one side of mould fixed plate (7) is vertically equipped with several connection sleeves (322), is vertically installed with and connects on the dynamic mould fixing plate (7) Female connector cylinder (322) plugs the connecting column (73) of cooperation.

7. a kind of fresh air upper cover injection mold according to claim 6, it is characterised in that: the end of the connecting column (73) Equipped with nylon shutter (731), the connecting column (73) is inserted into connection sleeve (322) by nylon shutter (731).

8. a kind of fresh air upper cover injection mold according to claim 7, it is characterised in that: the connection sleeve (322) is equal The even vertex for being arranged in ejector retainner plate (32).

9. a kind of fresh air upper cover injection mold according to claim 1, it is characterised in that: the inside of the solid plate (3) It is vertically installed with exhaust duct (35), the contact surface of the solid plate (3) and backing plate (2) is provided with air discharge duct (34), the exhaust duct (35) it is connected to air discharge duct (34).

10. a kind of fresh air upper cover injection mold according to claim 1, it is characterised in that: first cavity plate (4) with Second cavity plate (5) is respectively equipped with the first cooling pipe (41) and the second cooling pipe (51), the solid plate (3) and moving template (6) the first cooling-water duct (33) and the second cooling-water duct (61) are equipped with respectively, first cooling pipe (41) and the One cooling-water duct (33) connection；Second cooling pipe (51) is connected to the second cooling-water duct (61).