CN207808298U - The injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation - Google Patents

Abstract

The utility model belongs to injection mold technology more particularly to a kind of injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation.The utility model, including solid plate and moving platen, injection hole is opened on solid plate, forming cavity is made of the first forming face and the second forming face, lid main body in forming cavity including several for dustbin inner cover main body injection molding shapes core, the height that lid main body forming core protrudes from moving platen bottom surface is gradually got higher from both ends to center, and connect respectively with both ends centrally through two cambered surfaces, further include that two limits for protruding from two opposite sides of lid main body forming core respectively turn protruding shaft forming core.There is product obtained by the utility model limit to turn protruding shaft, the angle that inner cover is rotated can be limited when in use, prevent that the angle turned over is excessive and countershaft brings additional burden, to extend the service life of product, the utility model is once molded plastic multiple products, production efficiency is improved, production cost is reduced.

Description

The injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation

Technical field

The utility model belongs to injection mold technology, more particularly to one kind being used for anti-deformation from water conservancy diversion dustbin inner cover The injection mould of batch production.

Background technology

Plastic garbage bin has a wide range of applications in daily life, shake cover type garbage bin compared to cap-overturning dustbin because It is more laborsaving to open bung, and it is more convenient and receive user's favor to launch bulky refuse, but rolling cover in the prior art Formula dustbin is mostly linked together in the way of being rotatablely connected rolling cover and dustbin ontology by shaft, such to shake The angle for covering rotation is unrestricted, therefore it is excessive to easy to produce the angle that rolling cover turns in use, to turning when resetting revolution Axis brings the problem of added burden.

For example, Chinese utility model patent discloses a kind of stubborn rolling cover dustbin [application number of hand：201620164918.4], The utility model patent includes staving and bung, and the top of the bung is connected with rolling cover by shaft, on the rolling cover End is equipped with handle；The bung both sides are equipped with buckle.

The dustbin that the utility model provides is just simple in structure, easy to use, but it still has the above problem.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing one kind being used for anti-deformation from water conservancy diversion dustbin inner cover batch The injection mould of production.

In order to achieve the above objectives, the utility model uses following technical proposal：

A kind of injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation, including solid plate and moving platen, note Modeling mouth is opened on solid plate, and the solid plate is equipped with the first forming face of one side surface of molding dustbin inner cover, described dynamic Template is equipped with the second forming face of another side surface of molding dustbin inner cover, the first forming face and the composition forming of the second forming face Chamber, the forming cavity is interior to shape cores, the lid master including several for lid main bodys of dustbin inner cover main body injection molding Body forming core protrudes from the height of moving platen bottom surface and is gradually got higher from both ends to center, and centrally through two cambered surfaces respectively with Both ends connect, and further include that two limits for protruding from two opposite sides of lid main body forming core respectively turn protruding shaft forming core.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, and the limit turns protruding shaft forming Core includes shaping core in tubular rotation section, and it is convex along the radial direction of rotation section forming core that limiting section shapes core The surface of core is shaped for rotation section, the thickness at the forming cavity center is 3 times or more of edge thickness.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, the limiting section forming The width of core is tapered into from the one end for shaping core far from rotation section to the one end for shaping core close to rotation section, and is limited Portion shapes width of the core close to rotation section forming core one end and is less than the diameter length that rotation section shapes core.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, the lid main body forming It is respectively equipped with a grip forming cavity being internally recessed in two cambered surfaces at core connection center and both ends.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, further includes one end and handgrip The sewage of portion's forming cavity connection, other end perforation lid main body forming core edge is automatically drained out channel formation chamber, the grip Forming cavity is automatically drained out channel formation chamber at least one sewage and is connected to.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, the lid main body forming It is connected by smooth arc transition between the adjacent both sides of core.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, further includes one end and injection molding The injection molding sprue of mouth connection, the other end for being molded sprue are connected to by being molded branch flow passage with forming cavity.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, injection molding tributary stage property Have several, and axial line is mutually parallel or overlaps, injection molding branch flow passage connection injection molding sprue communication port away from injection hole away from From equal.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, further includes several ejections One end of bar, the knock-pin extends into moving platen until the second forming face.

Anti- deformation is used for from the injection mould that water conservancy diversion dustbin inner cover is produced in batches in above-mentioned, further includes several pieces of protrusions In the molding locating piece of dynamic model plate surface.

Compared with prior art, the utility model has the advantage of：

1, there is the product obtained by the utility model limit to turn protruding shaft, can limit the angle that inner cover is rotated when in use, The angle turned over can be prevented excessive, the problem of countershaft brings added burden when turning round is resetted and generate, to extend making for product Use the time limit.

2, the utility model is once molded plastic multiple products, improves production efficiency, reduces production cost.

3, there is the product obtained by the utility model sewage to be automatically drained out channel, and sewage can be discharged in time, prevent sewage In grip, when use with spilling to user the problem of, occurs for siltation.

4, the generally arc-shaped structure of the product obtained by the utility model, and 3 times that center thickness is edge thickness More than, therefore with good anti-deformation effects.

Description of the drawings

Fig. 1 is the birds-eye perspective of the utility model；

Fig. 2 is the left view perspective view of the utility model；

Fig. 3 is the structural schematic diagram of moving platen；

Fig. 4 is the main view perspective view of the utility model；

In figure：Solid plate 1, moving platen 2, forming cavity 3, molding locating piece 4, injection molding sprue 5, injection molding branch flow passage 6, ejection Bar 7, injection hole 11, the first forming face 12, the second forming face 21, lid main body forming core 31, limit turn protruding shaft forming core 32, turn Dynamic portion's forming core 33, limiting section forming core 34, grip forming cavity 35, sewage are automatically drained out channel formation chamber 36.

Specific implementation mode

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

In conjunction with shown in Fig. 3 and Fig. 4, a kind of injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation, including Solid plate 1 and moving platen 2, injection hole 11 are opened on solid plate 1, and the solid plate 1 is equipped with molding dustbin inner cover side First forming face 12 on surface, the moving platen 2 are equipped with the second forming face 21 of another side surface of molding dustbin inner cover, the One forming face 12 and the second forming face 21 form forming cavity 3, include that several are used for dustbin inner cover main body in the forming cavity 3 The lid main body of injection molding shapes core 31, and the lid main body forming core 31 protrudes from the height of 2 bottom surface of moving platen from both ends Gradually get higher to center, and connect respectively with both ends centrally through two cambered surfaces, further include two protrude from respectively lid main body at The limit of two opposite sides of shape core 31 turns protruding shaft forming core 32.

The utility model, in use, moving platen 2 is molded with solid plate 1, to the first forming face 12 and the second forming face 21 Be combined as forming cavity 3, the plastic cement of molten condition from injection molding machine by 11 injection molding chamber 3 of injection hole, after cooled and solidified, system It obtains integrally formed lid main body and the limit positioned at lid main body both sides turns protruding shaft, the angle that lid main body is rotated can be limited when in use The problem of degree, can prevent the angle turned over excessive, and countershaft brings added burden when resetting revolution generates, to extend product Service life, and due in forming cavity 3 lid main body forming core 31 and limit turn protruding shaft forming core 32 all have several, Therefore plastic multiple products are once molded using the utility model, production efficiency is improved, production cost is reduced.

On solid plate 1 with the first forming face 12 with moving platen 2 with the second forming face 21 while it is opposite, First forming face 12 and the second forming face 21 form forming cavity 3, and injection hole 11 is opened on solid plate 1, if having in forming cavity 3 The dry arc-shaped lid main body in upper surface shapes core 31, and two limits turn protruding shaft forming core 32 and are symmetrically connected to the forming of lid main body Two sides of core 31, it is symmetrical structure that the forming of lid main body core 31 and limit, which turn protruding shaft forming core 32, and the two One of plane of symmetry coincides, can guarantee in this way lid main body when in use can smooth rotation, in use, moving platen 2 and cover half Plate 1 molds, and to which the first forming face 12 and the second forming face 21 are combined as forming cavity 3, the plastic cement of molten condition is from injection molding machine By the way that in 11 injection molding chamber 3 of injection hole, after cooled and solidified, integrally formed lid main body and the limit positioned at lid main body both sides is made Turn protruding shaft, the angle that lid main body is rotated can be limited when in use, the angle turned over can be prevented excessive, countershaft when resetting revolution The problem of bringing added burden generates, to extend the service life of product, and due to the lid main body forming in forming cavity 3 Core 31 and limit turn protruding shaft forming core 32 and all have several, therefore plastic multiple products are once molded using the utility model, Production efficiency is improved, production cost is reduced.

Specifically, it includes shaping core 33, limit in tubular rotation section that the limit, which turns protruding shaft forming core 32, Portion shapes core 34 and protrudes from the surface that rotation section shapes core 33, the limit along the radial direction of rotation section forming core 33 Portion shape core 34 width from far from rotation section shape core 33 one end to close to rotation section shape core 33 one end by Gradual change is small, and width of the limiting section forming core 34 close to rotation section 33 one end of forming core is less than rotation section and shapes core 33 Diameter length.

Limit turns protruding shaft forming core 32 for limit the molding for turning protruding shaft, and limit turn protruding shaft forming core 32 including rotation section at Shape core 33 and limiting section shape 34 two parts of core, therefore it includes rotation section and limiting section two parts that molding limit, which turns protruding shaft also, And the cross section of rotation section is circle, plays the role of shaft, and lid main body is rotated around rotation section when injecting products use, limit Portion is integrally formed with rotation section, and along its radial direction protrusion surface, plays the work for the angle that limitation lid main body can rotate With the width of limiting section is tapered into from one end far from rotation section to one end close to rotation section, and close to rotation section one The width at end is less than the diameter length of rotation section, is conducive to the installation of lid main body in this way.

Preferably, the thickness at 3 center of forming cavity is 3 times or more of edge thickness, lid main body tool obtained in this way There are better anti-deformation effects, reduction lid main body deforms upon in use or damaged risk.

In conjunction with shown in Fig. 1 and Fig. 3, set respectively in two cambered surfaces at the lid main body forming 31 connection center of core and both ends There are one the grip forming cavities 35 being internally recessed, and further include that one end is connected to grip forming cavity 35, other end perforation lid The sewage at 31 edge of main body forming core is automatically drained out channel formation chamber 36,35 and at least one sewage of the grip forming cavity It is automatically drained out the connection of channel formation chamber 36.

Grip can be to provide good impetus when lid main body being made to rotate, but is recessed inwardly since grip is one Groove, therefore rainwater is easy to deposit in grip when raining, growing bacterium becomes sewage, therefore is additionally provided with sewage and is automatically drained out channel Forming cavity 36 is connected to grip to be molded one end, and the sewage of other end perforation lid body rim is automatically drained out channel so that grabs Sewage in hand can be discharged in time, prevent sewage siltation in grip, and when use with spilling to user the problem of is sent out It is raw.

As shown in figure 3, the lid main body is connected between shaping the adjacent both sides of core 31 by smooth arc transition, this Sample can make product edge obtained be in arc-shaped, user can be prevented to be scratched, to improve safety when product uses.

As shown in figure 3, further including the injection molding sprue 5 that one end is connected to injection hole 11, the other end of injection molding sprue 5 is logical It crosses injection molding branch flow passage 6 to be connected to forming cavity 3, the plastic cement of melting passes through injection molding sprue 5 and injection molding tributary by injection hole 11 Road 6 is finally flowed into and is cooled and shaped in forming cavity 3.

Preferably, the injection molding branch flow passage 6 has several, and axial line is mutually parallel or overlaps, and injection molding branch flow passage 6 connects The communication port of logical injection molding sprue 5 is equal away from the distance of injection hole 11, the uniformity into glue when being molded can be improved in this way, to protect The stability and consistency of product is made in card.

As shown in Fig. 2, further including several knock-pins 7, one end of the knock-pin 7 extends into moving platen 2 until second Forming face 21, after cooling and shaping, knock-pin 7 is opposite with moving platen 2 to be slided, and the knockout course of product is completed.

As shown in figure 3, further including several pieces of molding locating pieces 4 for protruding from 2 surface of moving platen, moving platen 2 and solid plate 1 It can be positioned according to molding locating piece 4 in molding, to be in when the first forming face 12 and the second forming face 21 being made to be molded Corresponding position ensure that the quality of injecting products.

The operation principle of the utility model is：In use, moving platen 2 is molded with solid plate 1, to 12 He of the first forming face Second forming face 21 is combined as forming cavity 3, and the plastic cement of molten condition passes through injection molding mainstream from injection molding machine by injection hole 11 In final injection molding chamber 3, after cooled and solidified, integrally formed lid main body is made and positioned at lid master in road 5 and injection molding branch flow passage 6 The limit of body both sides turns protruding shaft, can limit the angle that lid main body is rotated when in use, the angle turned over can be prevented excessive, resetted back Countershaft brings the problem of added burden to generate when turning, and to extend the service life of product, lid body surfaces have to recessed Sunken grip and sewage is automatically drained out channel, sewage to be discharged in time, prevents sewage siltation in grip, sprinkles when use The problem of splashing with user occurs, and since the lid main body forming core 31 in forming cavity 3, limit turn protruding shaft and shape core 32, grip forming cavity 35 and sewage are automatically drained out channel formation chamber 36 and all have several, therefore utilize the utility model primary Plastic multiple products are molded, production efficiency is improved, reduces production cost.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although be used more herein solid plate 1, moving platen 2, forming cavity 3, molding locating piece 4, injection molding sprue 5, Branch flow passage 6, knock-pin 7, injection hole 11, the first forming face 12, the second forming face 21, lid main body forming core 31, limit is molded to turn Protruding shaft forming core 32, rotation section forming core 33, limiting section forming core 34, grip forming cavity 35, sewage are automatically drained out The terms such as channel formation chamber 36, but it does not preclude the possibility of using other terms.The use of these items is only for more square Just the essence of the utility model is described and explained；It is construed as any one of the additional limitations all and is and the utility model What spirit was disagreed.

Claims (10)

1. a kind of injection mould produced in batches from water conservancy diversion dustbin inner cover for anti-deformation, including solid plate (1) and moving platen (2), injection hole (11) is opened on solid plate (1), and the solid plate (1) is equipped with the of one side surface of molding dustbin inner cover One forming face (12), second forming face (21) of the moving platen (2) equipped with another side surface of molding dustbin inner cover, first Forming face (12) and the second forming face (21) composition forming cavity (3), it is characterised in that：Include several in the forming cavity (3) For the lid main body forming core (31) of dustbin inner cover main body injection molding, the lid main body forming core (31) protrudes from dynamic The height of template (2) bottom surface is gradually got higher from both ends to center, and is connect respectively with both ends centrally through two cambered surfaces, further includes Two limits for protruding from lid main body forming two opposite sides of core (31) respectively turn protruding shaft forming core (32).

2. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, it is characterised in that： It includes in tubular rotation section forming core (33) that the limit, which turns protruding shaft forming core (32), and limiting section shapes core (34) The surface of rotation section forming core (33), the forming cavity (3) are protruded from along the radial direction of rotation section forming core (33) The thickness at center is 3 times or more of edge thickness.

3. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as claimed in claim 2, it is characterised in that： The width of the limiting section forming core (34) is from one end far from rotation section forming core (33) to close to rotation section forming One end of core (33) tapers into, and width of the limiting section forming core (34) close to rotation section forming core (33) one end is small In the diameter length of rotation section forming core (33).

4. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, it is characterised in that： It is respectively equipped with a handgrip being internally recessed in two cambered surfaces at lid main body forming core (31) the connection center and both ends Portion's forming cavity (35).

5. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as claimed in claim 4, it is characterised in that： Further include that one end is connected to grip forming cavity (35), the sewage at other end perforation lid main body forming core (31) edge is arranged automatically Go out channel formation chamber (36), the grip forming cavity (35) is automatically drained out channel formation chamber (36) even at least one sewage It is logical.

6. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, it is characterised in that： The lid main body forming core (31) is connected between adjacent both sides by smooth arc transition.

7. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, it is characterised in that： Further include the injection molding sprue (5) that one end is connected to injection hole (11), the other end of injection molding sprue (5) is by being molded branch flow passage (6) it is connected to forming cavity (3).

8. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as claimed in claim 7, it is characterised in that： The injection molding branch flow passage (6) has several, and axial line is mutually parallel or overlaps, and injection molding branch flow passage (6) is connected to injection molding mainstream Distance of the communication port in road (5) away from injection hole (11) is equal.

9. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, it is characterised in that： Further include several knock-pins (7), one end of the knock-pin (7) extends into moving platen (2) until the second forming face (21).

10. being used for the injection mould that anti-deformation is produced in batches from water conservancy diversion dustbin inner cover as described in claim 1, feature exists In：Further include several pieces of molding locating pieces (4) for protruding from moving platen (2) surface.