CN218593514U - Positioning device and injection molding equipment - Google Patents

Abstract

The utility model belongs to the technical field of injection moulding, concretely relates to positioner and injection moulding equipment. The positioning device includes: the supporting assembly comprises a supporting piece which is telescopically arranged on the lower die, the supporting piece is supported in a first direction of the positioned workpiece when extending out, and a pushing surface is arranged on the supporting piece; the suction piece is arranged on the lower die and used for sucking the positioned workpiece in a second direction, and the first direction is different from the second direction; the pushing piece is arranged on the upper die which can be covered with the lower die; when the upper die is covered on the lower die, the pushing piece pushes the pushing surface to drive the supporting piece to contract so as to be separated from the positioned workpiece. The utility model discloses positioner and injection moulding equipment can guarantee that the product outward appearance is pleasing to the eye.

Description

Positioning device and injection molding equipment

Technical Field

The application belongs to the technical field of injection molding, and particularly relates to a positioning device and injection molding equipment.

Background

With the rapid development of injection molding technology, the types of plastic products are increasing, and products formed by combining plastic with glass inserts are also more and more widely applied, such as refrigerator glass shelves, fruit and vegetable box covers and the like.

In order to prepare a product formed by combining plastic and glass inserts, the glass inserts need to be positioned and then injection molded. However, in the prior art, the positioning structure of the glass insert is arranged on the glass insert, which affects the beauty of the product.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a positioner and injection moulding equipment aims at solving the location structure of glass inserts at least to a certain extent and locates the glass inserts on, influences the pleasing to the eye technical problem of product.

The technical scheme of the utility model is that:

a positioning device, characterized by comprising: the supporting assembly comprises a supporting piece which is telescopically arranged on the lower die, the supporting piece is supported in a first direction of the positioned workpiece when extending out, and a pushing surface is arranged on the supporting piece; the suction piece is arranged on the lower die and used for sucking the positioned workpiece in a second direction, and the first direction is different from the second direction; the pushing piece is arranged on the upper die which can be covered with the lower die; when the upper die is covered on the lower die, the pushing piece pushes the pushing surface to drive the supporting piece to contract so as to be separated from the positioned workpiece.

The supporting component comprises a supporting piece which is telescopically arranged on the lower die, the supporting piece is supported in a first direction of a positioned workpiece when extending out, a pushing surface is arranged on the supporting piece, a sucking piece is arranged on the lower die and is used for sucking the positioned workpiece in a second direction, the first direction is different from the second direction, the pushing piece is arranged on an upper die which can be covered with the lower die, when the upper die is separated from the lower die, the supporting piece extends out and supports the positioned workpiece, when the upper die is covered on the lower die, the pushing piece pushes the pushing surface to drive the supporting piece to contract so as to be separated from the positioned workpiece, therefore, when the positioned workpiece is positioned, the upper die and the lower die are separated, the supporting piece is in an extending state, the positioned workpiece can be directly placed on the lower die, and simultaneously, the edge of the positioned workpiece is abutted to the supporting piece, so that the position of the positioned workpiece is determined, the positioned workpiece is positioned, the working efficiency is improved, the positioned workpiece does not need to be preprocessed (such as hole digging) in advance, the attractive appearance of a product is ensured, when the positioning of the positioned workpiece is completed, the sucking piece is started and is adsorbed by the positioned workpiece, the position of the positioned workpiece on the lower die is ensured not to change, then, the upper die is covered on the lower die, the pushing piece acts towards the direction of the lower die, the pushing piece pushes the pushing face to drive the supporting piece to contract, the supporting piece is separated from the edge of the positioned workpiece, the obvious defects of insert clamping lines and the like cannot be generated on the surface of the product after the product is molded, the appearance of the product is attractive, and the quality of the product is ensured.

In some embodiments, the support member defines an insertion groove, the pushing surface is an inner surface of the insertion groove, and when the upper mold is covered on the lower mold, the pushing member is inserted in the insertion groove to drive the support member to contract so as to separate from the positioned workpiece, so that the pushing member can push the pushing surface.

In some embodiments, the pusher and the embedded groove are disposed obliquely with respect to the second direction, facilitating the pusher to push the pushing surface.

In some embodiments, the pushing surface is disposed obliquely with respect to the second direction, facilitating the pushing of the pushing surface by the pusher.

In some embodiments, the support comprises: the connecting piece is connected with the lower die; the sliding piece is arranged on the lower die in a sliding manner; the elastic piece is arranged between the connecting piece and the sliding piece, one end of the elastic piece is abutted to the sliding piece, and the other end of the elastic piece is abutted to the connecting piece.

When going up mould and lower mould separation, the elastic component is in the state of extending to promote the slider to be in the support position, can directly will be positioned the work piece and place on the lower mould, simultaneously, the border of the work piece of being positioned is inconsistent with the slider, makes the position of the work piece of being positioned confirm, realizes positioning the work piece of being positioned, has improved work efficiency, need not carry out preprocessing (for example dig the hole) in advance to the work piece of being positioned in addition, has guaranteed that the product outward appearance is pleasing to the eye. When the positioning of the positioned workpiece is completed, the suction piece is started, the suction piece is adsorbed by the positioned workpiece, and the position of the positioned workpiece on the lower die is ensured not to be changed. When the upper die is covered on the lower die, the pushing piece moves towards the direction of the lower die, the pushing piece pushes the pushing surface to push the sliding piece to move towards the direction far away from the positioned workpiece, and meanwhile, the elastic piece is compressed to separate the sliding piece from the edge of the positioned workpiece, so that the obvious defects of insert clamping lines and the like can not be generated on the surface of a product after the product is molded, the appearance of the product is attractive, and the quality of the product is ensured.

In some embodiments, the slider comprises: the limiting part is abutted against one end of the elastic piece; the supporting part is connected with the end part of the limiting part, which deviates from the elastic part; the lower die is provided with a stopping part, when the upper die is separated from the lower die, the limiting part is abutted to the stopping part, and the end part of the supporting part departing from the limiting part supports the positioned workpiece.

When going up mould and lower mould separation, the elastic component is in the state of extending to promote the slider and be in the support position, at this moment, spacing portion is inconsistent with backstop portion, in order to carry on spacingly to the slider, directly will be positioned the work piece and place on the lower mould, simultaneously, the border of the work piece of being positioned is contradicted with the supporting part, makes the position of the work piece of being positioned confirm, realizes fixing a position the work piece of being positioned, has improved work efficiency, need not carry out preprocessing (for example dig the hole) to the work piece of being positioned in advance in addition, has guaranteed that product appearance is pleasing to the eye.

In some embodiments, two position-limiting members are disposed on the lower mold, a distance is formed between the two position-limiting members to form a sliding slot, and the sliding member is slidably disposed in the sliding slot to guide the movement of the sliding member in the first direction.

In some embodiments, the supporting member further includes a guiding member disposed through the connecting member and connected to the sliding member, and the elastic member is sleeved on the guiding member to guide the extension or compression of the elastic member.

In some embodiments, the number of the supporting members is at least two, at least two supporting members are supported on different directions of the positioned workpiece, and the supporting directions are in the same plane, so that the positioning precision is ensured, and the supporting stability is ensured.

Based on the same utility model concept, the utility model discloses still provide an injection moulding equipment, include positioner.

In some embodiments, the injection molding apparatus further comprises a lower mold and an upper mold that can be placed over the lower mold.

When a positioned workpiece is to be positioned, the upper die and the lower die are in a separated state, the supporting piece is in an extending state, the positioned workpiece can be directly placed on the lower die, meanwhile, the edge of the positioned workpiece is abutted to the supporting piece, so that the position of the positioned workpiece is determined, the positioned workpiece is positioned, the working efficiency is improved, the positioned workpiece does not need to be preprocessed (such as hole digging) in advance, the appearance of a product is attractive, when the positioning of the positioned workpiece is finished, the suction piece is started to suck the positioned workpiece, the position of the positioned workpiece on the lower die is ensured not to be changed, then the upper die covers the lower die, the pushing piece moves towards the lower die, the pushing piece pushes the supporting piece to contract, the supporting piece is separated from the edge of the positioned workpiece, the obvious defects of insert clamping lines and the like cannot be generated on the surface of the product after the product is molded, the appearance of the product is attractive, and the quality of the product is ensured.

Based on the same utility model concept, the utility model discloses still provide one kind, including the aforesaid.

The beneficial effects of the utility model include at least:

in the prior art, when a product molded by combining plastic and a glass insert is prepared, in order to position the glass insert, the following two modes are provided:

in the first mode, the glass is positioned by a method of bouncing a plurality of inserts, and the inserts are pressed down through a parting surface during mold closing so as to realize the positioning of the glass. However, since the insert is movable, the matching part of the insert and the mold core can generate obvious lines on the appearance surface of the product, and the appearance of the product is influenced.

And in the second mode, a plurality of holes are formed in the glass, and the pin penetrating nails are inserted into the mold core to fix the glass. However, this method requires a hole to be bored in the glass, which impairs the appearance. Simultaneously, when placing glass, need aim at the pin to the hole, work efficiency is low.

The supporting component comprises a supporting piece which is telescopically arranged on the lower die, the supporting piece is supported in a first direction of a positioned workpiece when extending out, a pushing surface is arranged on the supporting piece, an absorbing piece is arranged on the lower die and is used for absorbing the positioned workpiece in a second direction, the first direction is different from the second direction, the pushing piece is arranged on an upper die which can be covered with the lower die, when the upper die is separated from the lower die, the supporting piece extends out and supports the positioned workpiece, when the upper die is covered on the lower die, the pushing piece pushes the pushing surface to drive the supporting piece to contract so as to separate the supporting piece from the positioned workpiece, therefore, when the positioned workpiece is positioned, the upper die and the lower die are separated, the supporting piece is in an extending state, the positioned workpiece can be directly placed on the lower die, and simultaneously, the edge of the positioned workpiece is abutted to the supporting piece, so that the position of the positioned workpiece is determined, the positioned workpiece is positioned, the working efficiency is improved, the positioned workpiece does not need to be preprocessed (such as hole digging) in advance, the attractive appearance of a product is ensured, when the positioning of the positioned workpiece is completed, the sucking piece is started and is sucked by the positioned workpiece, the position of the positioned workpiece on the lower die is ensured not to be changed, then, the upper die is covered on the lower die, the pushing piece acts towards the direction of the lower die, the pushing piece pushes the pushing face to drive the supporting piece to contract, the supporting piece is separated from the edge of the positioned workpiece, the obvious defects of insert clamping lines and the like cannot be generated on the surface of the product after the product is molded, the appearance of the product is attractive, and the quality of the product is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic positioning diagram of a positioning device according to the present embodiment;

FIG. 2 is a schematic view of the engagement of a support and a pusher member of the positioning device of FIG. 1;

FIG. 3 is a cross-sectional view of the positioning device of FIG. 1;

FIG. 4 is a schematic view of a support member of the positioning device of FIG. 1;

FIG. 5 is a schematic structural diagram of a position limiting member of the positioning device in FIG. 4;

FIG. 6 is a schematic view of the slider of the support member of FIG. 4;

fig. 7 is a schematic structural view of an upper mold of the injection molding apparatus of the present embodiment.

In the drawings:

the support assembly 10, the support member 101, the pushing surface 1011, the embedded groove 1012, the connecting member 1013, the connecting plate 10131, the support plate 10132, the sliding member 1014, the limiting part 10141, the support part 10142, the guide rail 10143, the elastic member 1015 and the guide member 1016;

a suction member 20;

the pushing member 30, the pushing portion 301, the connecting portion 302;

the lower die 40, the accommodating groove 401, the limiting piece 402, the guide groove 4021, the stopping part 403 and the sliding groove 404;

a positioned workpiece 50;

and an upper die 60.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement condition, etc. of each component in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

the embodiment provides a positioner and injection moulding equipment, aims at solving the technical problem that the pleasing to the eye of product is influenced on the glass inserts is located to the location structure that can solve the glass inserts to a certain extent at least.

Fig. 1 is a schematic positioning diagram of a positioning device of the present embodiment, fig. 2 is a schematic matching diagram of a supporting member and a pushing member of the positioning device in fig. 1, and fig. 3 is a cross-sectional positioning diagram of the positioning device in fig. 1. With reference to fig. 1, 2 and 3, the present embodiment includes: a supporting component 10, a suction piece 20 and a pushing piece 30. The supporting assembly 10 includes a supporting member 101 telescopically disposed on the lower mold 40, the supporting member 101 is supported in a first direction of the positioned workpiece 50 when extending, and a pushing surface 1011 is disposed on the supporting member 101. The suction member 20 is provided on the lower die 40 for sucking the positioned workpiece 50 in a second direction, the first direction being different from the second direction. The pusher 30 is provided on an upper die 60 that can be closed with the lower die 40. When the upper die 60 is separated from the lower die 40, the supporting member 101 extends out and supports the positioned workpiece 50, and when the upper die 60 covers the lower die 40, the pushing member 30 pushes the pushing surface 1011 to drive the supporting member 101 to contract so as to separate from the positioned workpiece 50.

The suction member 20 may be a vacuum chuck.

The second direction may be perpendicular to a plane in which the first direction lies.

The number of the supports 101 may be one or more.

An installation groove 601 is formed in the end face, facing the lower die 40, of the upper die 60, and the end part, facing away from the upper die 60, of the pushing element 20 is fixedly arranged in the installation groove 601, so that the pushing element 20 and the upper die 60 can be conveniently installed.

In the prior art, when a product molded by combining plastic and a glass insert is prepared, in order to position the glass insert, the following two modes are provided:

in the first mode, the glass is positioned by a method of bouncing a plurality of inserts, and the inserts are pressed down through a parting surface during mold closing so as to realize the positioning of the glass. However, since the insert is movable, the matching part of the insert and the mold core can generate obvious lines on the appearance surface of the product, and the appearance of the product is influenced.

And in the second mode, a plurality of holes are formed in the glass, and the pin penetrating nails are inserted into the mold core to fix the glass. However, this method requires a hole to be bored in the glass, which affects the appearance. Simultaneously, when placing glass, need aim at the pin to the hole, work efficiency is low.

In the present application, the supporting assembly 10 includes a supporting member 101 telescopically disposed on the lower die 40, the supporting member 101 is supported in a first direction of the positioned workpiece 50 when extending, a pushing surface 1011 is disposed on the supporting member 101, the suction member 20 is disposed on the lower die 40 for sucking the positioned workpiece 50 in a second direction, the first direction is different from the second direction, the pushing member 30 is disposed on the upper die 60 capable of covering the lower die 40, when the upper die 60 is separated from the lower die 40, the supporting member 101 extends and supports the positioned workpiece 50, when the upper die 60 is covered on the lower die 40, the pushing member 30 pushes the pushing surface 1011 to drive the supporting member 101 to contract to separate from the positioned workpiece 50, so when the positioned workpiece 50 is to be positioned, at this time, the upper die 60 is separated from the lower die 40, and the supporting member 101 is in an extending state, the positioned workpiece 50 can be directly placed on the lower die 40, meanwhile, the edge of the positioned workpiece 50 is abutted against the support 101, so that the position of the positioned workpiece 50 is determined, the positioned workpiece 50 is positioned, the working efficiency is improved, the positioned workpiece 50 does not need to be preprocessed (such as hole digging) in advance, the product appearance is ensured to be attractive, when the positioning of the positioned workpiece 50 is completed, the suction piece 20 is started, the suction piece 20 sucks the positioned workpiece 50, the position of the positioned workpiece 50 on the lower die 40 is ensured not to be changed, then, the upper die 60 is covered on the lower die 40, the pushing piece 30 moves towards the lower die 40, the pushing piece 30 pushes the pushing face 1011 to drive the support 101 to contract, the support 101 is separated from the edge of the positioned workpiece 50, and the obvious defects of insert clamping lines on the surface of the product can be ensured not to be generated after the product is molded, the product appearance is beautiful, and the product quality is ensured.

Referring to fig. 2, in some embodiments, the lower mold 40 is provided with a receiving groove 401, when the upper mold 60 covers the lower mold 40, the pushing element 30 pushes the pushing surface 1011, and the pushing element 30 enters the receiving groove 401, so as to receive the pushing element 30 through the receiving groove 401, so as to ensure that the pushing element 30 can push the pushing surface 1011 to drive the supporting element 101 to contract, so as to separate from the positioned workpiece 50.

With reference to fig. 1, 2 and 3, in some embodiments, in order to facilitate the pushing member 30 to push the pushing surface 1011, the supporting member 101 is provided with an insertion groove 1012, the pushing surface 1011 is an inner surface of the insertion groove 1012, and when the upper die 60 covers the lower die 40, the pushing member 30 is inserted into the insertion groove 1012 to drive the supporting member 101 to contract so as to separate from the positioned workpiece 50.

In the embodiment, when the upper die 60 moves towards the lower die 40, the end of the pushing element 30 is inserted into the insertion groove 1012, and in the process that the upper die 60 covers the lower die 40, the pushing element 30 pushes the pushing surface 1011 to drive the support 101 to contract until the upper die 60 completely covers the lower die 40, at this time, the support 101 is separated from the edge of the positioned workpiece 50, so that after the product is formed, obvious defects such as insert clamping lines cannot be generated on the surface of the product, the appearance of the product is attractive, and the quality of the product is ensured.

With reference to fig. 1, 2 and 3, in some embodiments, in order to facilitate the pushing member 30 to push the pushing surface 1011 and drive the supporting member 101 to contract, the pushing member 30 and the insertion groove 1012 are disposed to be inclined with respect to the second direction, when the upper die 60 moves toward the lower die 40, the end of the pushing member 30 can be inserted into the insertion groove 1012, so that the pushing member 30 can push the pushing surface 1011 to drive the supporting member 101 to contract in the process of covering the upper die 60 on the lower die 40 until the upper die 60 completely covers the lower die 40, at this time, the supporting member 101 is separated from the edge of the positioned workpiece 50, and it can be ensured that after the product is formed, the surface of the product does not have obvious defects such as insert clamping lines, so that the product has an attractive appearance, and the quality of the product is ensured.

In this embodiment, the second direction is perpendicular to the plane of the upper die 60 and the plane of the support 101 in the telescopic direction, that is, the pushing element 30 is obliquely disposed on the end surface of the upper die 60 facing the lower die 40, and the embedded groove 1012 is obliquely disposed in the support 101, so that in the process of covering the upper die 60 on the lower die 40, the pushing element 30 can push the pushing surface 1011 to drive the support 101 to contract until the upper die 60 completely covers the lower die 40, at this time, the support 101 is separated from the edge of the positioned workpiece 50, and it can be ensured that after the product is formed, the obvious defects of insert clamping lines on the surface of the product cannot be generated, so that the product has an attractive appearance, and the quality of the product is ensured.

In this embodiment, a first included angle is formed between the end surfaces of the pushing member 30 and the upper die 60 facing the lower die 40, a second included angle is formed between the end surfaces of the embedded groove 1012 and the supporting member 101 facing the lower die 40, the end surface of the supporting member 101 facing the lower die 40 is parallel to the end surface of the upper die 60 facing the lower die 40, the first included angle and the second included angle are located on the same side, and when one of the first included angle and the second included angle is an obtuse angle, the other included angle is an acute angle, that is, the first included angle and the second included angle are not both right angles, so that the pushing member 30 can push the pushing surface 1011 to drive the supporting member 101 to contract.

In this embodiment, in order to ensure that the pushing member 30 can push the pushing surface 1011 to contract the supporting member 101, the sum of the first included angle and the second included angle is 180 °.

In some embodiments, in conjunction with fig. 2, the pusher 30 includes a pusher portion 301 and a connecting portion 302 connected to the pusher portion 301. An installation groove 601 is formed in the end face, facing the lower die 40, of the upper die 60, the connecting portion 302 is fixedly arranged in the installation groove 601, and the connecting portion 302 is parallel to the second direction, so that the pushing member 20 and the upper die 60 can be conveniently installed. When the upper mold 60 is covered on the lower mold 40, the pushing portion 301 is embedded in the embedding groove 1012 to push the pushing surface 1011 to contract the supporting member 101 to separate from the positioned workpiece 50.

In this embodiment, the pushing portion 301 is disposed obliquely with respect to the second direction, when the upper mold 60 moves toward the lower mold 40, the end of the pushing portion 301 may be inserted into the insertion groove 1012, so that in the process of covering the upper mold 60 on the lower mold 40, the pushing portion 301 may push the pushing surface 1011 to drive the supporting member 101 to contract until the upper mold 60 completely covers the lower mold 40, at this time, the supporting member 101 is separated from the edge of the positioned workpiece 50, and it may be ensured that after the product is formed, no obvious defect of insert clamping line occurs on the surface of the product, so that the product has an attractive appearance, and the product quality is ensured.

Referring to fig. 2, in some embodiments, in order to ensure that the pushing element 30 can push the pushing surface 1011 to drive the supporting element 101 to contract, the pushing surface 1011 is disposed to be inclined with respect to the second direction, when the upper die 60 moves toward the lower die 40, the end of the pushing element 30 can be inserted into the insertion groove 1012, during the process of covering the upper die 60 on the lower die 40, the pushing element 30 pushes the pushing surface 1011 to drive the supporting element 101 to contract until the upper die 60 completely covers the lower die 40, at this time, the supporting element 101 is separated from the edge of the positioned workpiece 50, so as to ensure that no obvious defects such as insert clamping lines are generated on the surface of the product after the product is formed, thereby ensuring the attractive appearance of the product and ensuring the quality of the product.

Fig. 4 is a schematic structural view of a supporting member of the positioning device in fig. 1, fig. 5 is a schematic structural view of a limiting member of the positioning device in fig. 4, and fig. 6 is a schematic structural view of a sliding member of the supporting member in fig. 4. With reference to fig. 4, 5 and 6, in some embodiments, the support member 101 includes a connector 1013, a slider 1014 and a resilient member 1015. The link 1013 is connected to the lower mold 40 to support the link 1013 by the lower mold 40. A slide 1014 is slidably disposed on the lower die 40, and the slide 1014 can support the positioned workpiece 50 when the upper die 60 is separated from the lower die 40. The elastic member 1015 is disposed between the connecting member 1013 and the sliding member 1014, and one end of the elastic member 1015 abuts against the sliding member 1014 and the other end abuts against the connecting member 1013. The elastic member 1015 may be a spring.

In this embodiment, when the upper mold 60 is separated from the lower mold 40, the elastic member 1015 is in an extended state to push the sliding member 1014 to be in a supporting position, so that the positioned workpiece 50 can be directly placed on the lower mold 40, and meanwhile, the edge of the positioned workpiece 50 is abutted to the sliding member 1014, so that the position of the positioned workpiece 50 is determined, the positioned workpiece 50 is positioned, the working efficiency is improved, pre-processing (such as hole digging) of the positioned workpiece 50 is not required in advance, and the attractive appearance of the product is ensured. When the positioning of the positioned workpiece 50 is completed, the suction element 20 is started, and the suction element 20 sucks the positioned workpiece 50, so that the position of the positioned workpiece 50 on the lower die 40 is not changed. When the upper die 60 is covered on the lower die 40, the pushing part 30 moves towards the direction of the lower die 40, the pushing part 30 pushes the pushing surface 1011 to push the sliding part 1014 to move towards the direction far away from the positioned workpiece 50, and meanwhile, the elastic part 1015 is compressed to separate the sliding part 1014 from the edge of the positioned workpiece 50, so that the obvious defects of insert clamping lines on the surface of a product can be avoided after the product is formed, the appearance of the product is attractive, and the quality of the product is ensured.

With reference to fig. 4, 5, and 6, in the present embodiment, the slider 1014 includes a stopper portion 10141 and a support portion 10142. The stopper 10141 abuts against one end of the elastic member 1015. The supporting portion 10142 is connected to an end of the limiting portion 10141 away from the elastic member 1015. The lower die 40 is provided with a stopping portion 404, when the upper die 60 is separated from the lower die 40, the limiting portion 10141 is abutted to the stopping portion 403, and the end of the supporting portion 10142 departing from the limiting portion 10141 supports the positioned workpiece 50.

In the present embodiment, when the upper die 60 is separated from the lower die 40, the elastic element 1015 is in an extended state to push the sliding element 1014 to be in a supporting position, at this time, the limiting portion 10141 abuts against the stopping portion 403 to limit the sliding element 1014, the positioned workpiece 50 is directly placed on the lower die 40, and meanwhile, the edge of the positioned workpiece 50 abuts against the supporting portion 10142, so that the position of the positioned workpiece 50 is determined, the positioned workpiece 50 is positioned, the working efficiency is improved, and the positioned workpiece 50 does not need to be preprocessed (for example, hole-digging) in advance, thereby ensuring the attractive appearance of the product. When the positioning of the positioned workpiece 50 is completed, the suction member 20 is started, and the suction member 20 sucks the positioned workpiece 50, so that the position of the positioned workpiece 50 on the lower die 40 is ensured not to change. When the upper die 60 is covered on the lower die 40, the pushing piece 30 moves towards the lower die 40, the pushing piece 30 pushes the pushing surface 1011, the supporting part 10142 is pushed to move towards the direction far away from the positioned workpiece 50, the limiting part 10141 is separated from the stopping part 403, meanwhile, the elastic piece 1015 is compressed, the supporting part 10142 is separated from the edge of the positioned workpiece 50, the obvious defects of insert clamping lines on the surface of a product can be avoided after the product is formed, the appearance of the product is attractive, and the quality of the product is ensured.

In the present embodiment, the supporting portion 10142 has a thickness smaller than the limiting portion 10141 to form a limiting groove, and the stopping portion 404 is a step, and when the upper mold 60 is separated from the lower mold 40, the step is embedded in the limiting groove to limit the sliding member 1014. When the upper mold 60 is covered on the lower mold 40, the step is separated from the limit groove.

Referring to fig. 4, 5 and 6, in this embodiment, the connecting member 1013 includes a connecting plate 10131 and supporting plates 10132 disposed at two ends of the connecting plate 10131, the supporting plates 10132 are connected to the circumferential surfaces of the lower mold 40, so that a space is formed between the connecting plate 10131 and the circumferential surfaces of the lower mold 40, an installation space is provided for the elastic member 1015, a stroke of the sliding member 1014 is also ensured, and meanwhile, the connecting plate 10131 limits the movement of the sliding member 1014 in a direction away from the positioned workpiece 50, so as to prevent the sliding member 1014 from falling off.

Referring to fig. 1 and 4, in the present embodiment, in order to guide the motion of the slider 1014 in the first direction, two position-limiting members 402 are disposed on the lower mold 40, a distance is formed between the two position-limiting members to form a sliding slot 404, and the slider 1014 is slidably disposed in the sliding slot 404.

In the present embodiment, when the upper die 60 is closed on the lower die 40, the pusher 30 moves in the direction of the lower die 40, the pusher 30 pushes the pushing surface 1011 and pushes the slider 1014 to move in the direction away from the positioned workpiece 50, the slider 1014 moves in the slide groove 404, and the slide 1014 is guided in the first direction by the slide groove 404, so that the slider 1014 is prevented from being displaced in the first direction. Upon separation of the upper die 60 from the lower die 40, the resilient members 1015 are in an extended state to urge the slide 1014 to move within the slide channel 404 until the slide 1014 reaches a support position, preventing the slide 1014 from deflecting in the first direction to ensure accuracy of positioning of the slide 1014.

With reference to fig. 4, in the present embodiment, in order to guide the motion of the slider 1014 in the second direction, guide grooves 4021 are formed on opposite end surfaces of the two stoppers 402, guide rails 10143 are disposed on two sides of the slider 1014, the guide rails 10143 are embedded in the corresponding guide grooves 4021, and when the slider 1014 moves in the sliding groove 404, the guide rails 10143 are limited and guided by the guide grooves 4021, so as to prevent the motion of the slider 1014 in the second direction from being deviated, and ensure the positioning accuracy of the slider 1014.

Referring to fig. 4, in this embodiment, in order to guide the extension or compression of the elastic member 1015, the supporting member 101 further includes a guiding member 1016 penetrating through the connecting member 1013 and connected to the sliding member 1014, and the elastic member 1015 is sleeved on the guiding member 1016.

In this embodiment, when the upper mold 60 is separated from the lower mold 40, the elastic member 1015 slides on the guide 1016 and is in an extended state to push the slide 1014 to move in the slide groove 404. When the upper mold 60 is closed on the lower mold 40, the pushing member 30 moves toward the lower mold 40, the pushing member 30 pushes the pushing surface 1011 and the slide 1014 moves away from the positioned workpiece 50, and at the same time, the elastic member 1015 is compressed, and the elastic member 1015 slides on the guide 1016 and is in a compressed state.

In this embodiment, the guide 1016 may be one of a pogo pin, a guide post, and a support rod.

In the present embodiment, the elastic member 1015 has a specification of 12 × 80, and when the upper mold 60 is covered on the lower mold 40, the elastic member 1015 compresses by 34mm with a force 475N; when the upper mold 60 is separated from the lower mold 40, the elastic member 1015 is compressed by 3mm, and the force 42N. The slide 1014 weighs 0.8kg, about 8N, and the positioned workpiece 50 weighs 0.6kg, about 6N. When the upper mold 60 is separated from the lower mold 40, the force of the elastic members 1015 is approximately equal to 3.5 times the sum of the weight of the slide 1014 and the weight of the positioned workpiece 50, and the elastic members 1015 can support the slide 1014 after placing the positioned workpiece 50 thereon.

In some embodiments, in order to ensure the positioning accuracy and ensure the stability of the support, the number of the supports 101 is at least two, at least two supports 101 are supported in different directions of the positioned workpiece 50, and the supporting directions are in the same plane.

In the present embodiment, the extensions of two adjacent supporting members 101 in the stretching direction intersect to form a third included angle, which may be an acute angle, a right angle, an obtuse angle, or a straight angle. When the cross-sectional shape of the positioned workpiece 50 is a triangle, the third included angle may be one of an acute angle, a right angle, and an obtuse angle. When the cross-sectional shape of the positioned workpiece 50 is a polygon, the third included angle may be one of an acute angle, a right angle, and an obtuse angle. When the cross-sectional shape of the positioned workpiece 50 is a circle, the third included angle may be one of an acute angle, a right angle, an obtuse angle, or a straight angle.

In the present embodiment, the number of the supports 101 may be two or more, and in order to reduce the cost, it is preferable that the number of the supports 101 is two.

Based on same utility model conceive, this application still provides an injection moulding equipment, and this injection moulding equipment has adopted positioner, this positioner's concrete structure refer to above-mentioned embodiment, owing to adopted the whole technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer give unnecessary details here one by one.

Fig. 7 is a schematic structural view of an upper mold of the injection molding apparatus of the present embodiment. Referring to fig. 2 and 7, in some embodiments, the injection molding apparatus further includes a lower mold 40 and an upper mold 60 that may be placed on the lower mold 40.

In this embodiment, when the workpiece 50 to be positioned is to be positioned, at this time, the upper die 60 and the lower die 40 are in a separated state, the support 101 is in an extended state, the workpiece 50 to be positioned can be directly placed on the lower die 40, and meanwhile, the edge of the workpiece 50 to be positioned abuts against the support 101, so that the position of the workpiece 50 to be positioned is determined, the workpiece 50 to be positioned is positioned, the work efficiency is improved, and preprocessing (such as hole digging) of the workpiece 50 to be positioned is not required in advance, so that the appearance of the product is beautiful, when the positioning of the workpiece 50 to be positioned is completed, the suction piece 20 is started, the suction piece 20 adsorbs the workpiece 50 to be positioned, so that the position of the workpiece 50 to be positioned on the lower die 40 is not changed, then, the upper die 60 is covered on the lower die 40, the push piece 30 acts in the direction of the lower die 40, the push piece 30 pushes the push surface 1011 to drive the support 101 to contract, so that the edge of the support 101 and the workpiece 50 to be positioned are separated, so that after the product is molded, the product, the surface does not have obvious defects such as wire clamping, so that the appearance of the product is beautiful, and the quality of the product is ensured.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (11)

1. A positioning device, comprising:

the supporting assembly comprises a supporting piece which is telescopically arranged on the lower die, the supporting piece is supported in a first direction of a positioned workpiece when extending out, and a pushing surface is arranged on the supporting piece;

the suction piece is arranged on the lower die and used for sucking the positioned workpiece in a second direction, and the first direction is different from the second direction;

the pushing piece is arranged on an upper die which can be covered with the lower die;

when the upper die is covered on the lower die, the pushing piece pushes the pushing surface to drive the supporting piece to contract so as to be separated from the positioned workpiece.

2. The positioning device according to claim 1, wherein the supporting member has an insertion groove, the pushing surface is an inner surface of the insertion groove, and when the upper mold is closed on the lower mold, the pushing member is inserted into the insertion groove to drive the supporting member to contract so as to separate from the positioned workpiece.

3. The positioning device of claim 2, wherein the pusher and the embedded groove are disposed obliquely with respect to the second direction.

4. A positioning device according to any one of claims 1-3, in which the pushing surface is arranged obliquely in relation to the second direction.

5. A positioning device according to any of claims 1-3, characterized in that the support comprises:

the connecting piece is connected with the lower die;

the sliding piece is arranged on the lower die in a sliding manner;

the elastic piece is arranged between the connecting piece and the sliding piece, one end of the elastic piece is abutted to the sliding piece, and the other end of the elastic piece is abutted to the connecting piece.

6. The positioning device of claim 5, wherein the slide comprises:

the limiting part is abutted against one end of the elastic piece;

the supporting part is connected with the end part of the limiting part, which deviates from the elastic part;

the lower die is provided with a stopping part, when the upper die is separated from the lower die, the limiting part is abutted to the stopping part, and the end part of the supporting part departing from the limiting part supports the positioned workpiece.

7. The positioning device as set forth in claim 5, wherein two position-limiting members are disposed on the lower mold, and a distance is formed between the two position-limiting members to form a sliding slot, and the sliding member is slidably disposed in the sliding slot.

8. The positioning device as set forth in claim 5, wherein the supporting member further comprises a guiding member passing through the connecting member and connected to the sliding member, and the elastic member is sleeved on the guiding member.

9. The positioning apparatus according to any one of claims 1 to 3, wherein the number of the supporting members is at least two, at least two of the supporting members are supported in different directions of the positioned workpiece, and the supporting directions are in the same plane.

10. An injection molding apparatus comprising a positioning device as claimed in any one of claims 1 to 9.

11. The injection molding apparatus of claim 10, further comprising a lower mold and an upper mold that can be placed over the lower mold.

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