CN210590405U

CN210590405U - Plastic bottle cap mold convenient for demolding

Info

Publication number: CN210590405U
Application number: CN201921430093.6U
Authority: CN
Inventors: 冯卫辉
Original assignee: Zhuhai Technique Plastic Container Factory Co ltd
Current assignee: Zhuhai Technique Plastic Container Factory Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-22
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to the technical field of molds, in particular to a plastic bottle cap mold convenient for demolding, which comprises a fixed mold, wherein one side of the fixed mold is provided with a movable mold, a first main runner communicated with the outside is arranged in the movable mold, a first through hole communicated with the outside is arranged on the rear side groove wall of the first main runner, and a second through hole communicated with the outside is arranged on the rear side cavity wall of a molding cavity; the rear side of movable mould is equipped with the movable mould fixed plate, still closely welds the rectangular plate that is the level form setting on the side of the movable mould fixed plate that is close to the movable mould, is equipped with first pneumatic cylinder on the rectangular plate, and the telescopic shaft end of first pneumatic cylinder closely welds the thimble fixed plate. The utility model discloses labour saving and time saving facilitates the use, and it is more convenient to carry out the drawing of patterns to the plastics bottle lid, alleviates staff's work load.

Description

Plastic bottle cap mold convenient for demolding

Technical Field

The utility model relates to the technical field of mold, specifically be a plastics bottle lid mould convenient to drawing of patterns.

Background

The plastic bottle cap is generally installed on a plastic bottle, the plastic bottle cap is usually manufactured by adopting an injection molding method, and a mold is generally needed when the plastic bottle cap is subjected to injection molding, but the mold of the general plastic bottle cap is inconvenient for demolding the plastic bottle cap, and inconvenience is brought to a user when the mold is used. In view of this, we propose a plastic bottle cap mold that is convenient for demolding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics bottle lid mould convenient to drawing of patterns to solve general plastics bottle lid mould that proposes in the above-mentioned background art and be not convenient for carry out the drawing of patterns to the plastics bottle lid, bring more inconvenient problem for the user when using.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a plastics bottle lid mould convenient to drawing of patterns, includes the cover half, one side of cover half is equipped with the movable mould, be equipped with the first sprue that is linked together with the external world in the movable mould, be equipped with the first through-hole that is linked together with the external world on the rear side cell wall of first sprue, be equipped with two mutual symmetries on the cell wall of first sprue and with the external second sprue that is linked together, all be equipped with a set of subchannel that is linear equidistant range and is linked together with the external world on the roof of second sprue and the diapire, still be equipped with a plurality of in the movable mould and be the matrix range and with the external shaping cavity that is linked together, the sprue is linked together with the shaping cavity that corresponds with it, be equipped with the second through-hole that is linked together with the external world on the rear side; the rear side of movable mould is equipped with the movable mould fixed plate, is close to the movable mould still close welding has the rectangular plate that is the level form and sets up on the side of movable mould fixed plate, be equipped with first pneumatic cylinder on the rectangular plate, the telescopic shaft end of first pneumatic cylinder closely welds there is the thimble fixed plate, on the thimble fixed plate just right the position of second through-hole is equipped with first thimble, first thimble with the cooperation of pegging graft between the second through-hole, on the thimble fixed plate just right the position of first through-hole is equipped with the second thimble, the second thimble with the cooperation of pegging graft between the first through-hole.

Preferably, a plurality of grooves which are annularly arranged at equal intervals are arranged on the groove wall of the forming cavity.

Preferably, four support columns arranged in a matrix form are tightly welded between the movable mold fixed plate and the movable mold.

Preferably, a pouring hole communicated with the outside is formed in the fixed die at a position opposite to the first main runner.

Preferably, a convex column is arranged on the fixed die at a position opposite to the forming cavity, and the convex column is in insertion fit with the forming cavity.

Preferably, a second hydraulic cylinder is arranged on the rear side of the movable fixed plate, and the movable fixed plate is tightly welded at the tail end of a telescopic shaft of the second hydraulic cylinder.

Preferably, the rectangular plate is further tightly welded with two symmetrical limiting plates, the tail ends of the limiting plates are provided with buffer plates, and the buffer plates are located between the limiting plates and the ejector pin fixing plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a thimble fixed plate that sets up utilizes the telescopic shaft extension of first pneumatic cylinder to drive first thimble and second thimble towards the direction motion of cover half, realizes giving ejecting the plastics bottle lid that will be in the shaping cavity, accomplishes the drawing of patterns of plastics bottle lid, and convenient operation has solved general plastics bottle lid mould and has been not convenient for carry out the drawing of patterns to the plastics bottle lid, brings more inconvenient problem for the user when using.

2. The utility model discloses a limiting plate and the buffer board that set up realize carrying on spacingly to thimble fixed plate rearward movement, avoid thimble fixed plate rearward movement distance overlength to cause the thimble to break away from the through-hole, influence the shaping of plastics bottle lid, have solved not being equipped with the limiting plate on general plastics bottle lid mould, cause thimble fixed plate rearward movement distance overlength easily, influence the fashioned problem of plastics bottle lid.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is an exploded view of embodiment 1 of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the fixed mold and the movable mold of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: 1. fixing a mold; 10. pouring holes; 11. a convex column; 12. moving the mold; 121. a first main flow passage; 1211. a first through hole; 122. a second main flow passage; 123. a shunt channel; 124. a molding chamber; 1241. a groove; 1242. a second through hole; 13. moving the fixed plate; 131. a support pillar; 14. a rectangular plate; 15. a first hydraulic cylinder; 16. a thimble fixing plate; 161. a first thimble; 162. a second thimble; 17. a second hydraulic cylinder; 2. a limiting plate; 20. a buffer plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A plastic bottle cap mold convenient for demolding is shown in figures 1 to 4 and comprises a fixed mold 1 tightly welded on an external frame, wherein a movable mold 12 is arranged on one side of the fixed mold 1, the fixed mold 1 and the movable mold 12 are opposite to each other, and when the movable mold 12 moves towards the fixed mold 1 to the state that the surfaces of the movable mold 12 and the fixed mold 1 are attached to each other, a mold closing process is completed; a first main runner 121 communicated with the outside is arranged in the movable mold 12, a first through hole 1211 communicated with the outside is arranged on the rear side groove wall of the first main runner 121, two second main runners 122 which are symmetrical to each other and communicated with the outside are arranged on the groove wall of the first main runner 121, a group of branch runners 123 which are linearly arranged at equal intervals and communicated with the outside are arranged on the top wall and the bottom wall of each second main runner 122, a plurality of forming chambers 124 which are arranged in a matrix form and communicated with the outside are also arranged in the movable mold 12, the branch runners 123 are communicated with the forming chambers 124 corresponding to the branch runners 123, and second through holes 1242 communicated with the outside are arranged on the rear side chamber wall of the forming chambers 124; a movable mold fixed plate 13 is arranged at the rear side of the movable mold 12, four support columns 131 arranged in a matrix form are tightly welded between the movable mold fixed plate 13 and the movable mold 12, so that the structure between the movable mold fixed plate 13 and the movable mold 12 is firmer, and the movable mold fixed plate 13 can drive the movable mold 12 to move when moving;

a rectangular plate 14 which is horizontally arranged is also tightly welded on one side surface of a movable mold fixed plate 13 close to the movable mold 12, a first hydraulic cylinder 15 is arranged on the rectangular plate 14, a fixed base is arranged on the first hydraulic cylinder 15, a plurality of threaded holes communicated with the outside are arranged in the fixed base, threaded holes communicated with the outside are also arranged in the rectangular plate 14 at positions opposite to the threaded holes in the fixed base, and the fixed base on the first hydraulic cylinder 15 is fixedly arranged on the rectangular plate 14 by using fastening bolts, so that the installation and the disassembly are convenient;

a thimble fixing plate 16 is tightly welded at the tail end of the telescopic shaft of the first hydraulic cylinder 15, a first thimble 161 is tightly welded at a position, opposite to the second through hole 1242, of the thimble fixing plate 16, the first thimble 161 is in plug-in fit with the second through hole 1242, a second thimble 162 is tightly welded at a position, opposite to the first through hole 1211, of the thimble fixing plate 16, and the second thimble 162 is in plug-in fit with the first through hole 1211.

In this embodiment, the grooves 1241 are formed in the wall of the forming chamber 124 and are arranged in an annular shape at equal intervals, so as to ensure that the surface of the formed bottle cap has more anti-slip protrusions, thereby increasing the friction between the bottle cap and the fingers.

Specifically, a pouring hole 10 communicated with the outside is formed in a position, facing the first main flow passage 121, of the fixed mold 1, a protruding column 11 is formed in a position, facing the forming chamber 124, of the fixed mold 1, and the protruding column 11 is in insertion fit with the forming chamber 124, so that the bottle cap can be formed conveniently.

Further, the rear side of movable mould fixed plate 13 is equipped with second pneumatic cylinder 17, and movable mould fixed plate 13 welds closely at the telescopic shaft end of second pneumatic cylinder 17, utilizes the telescopic shaft extension of second pneumatic cylinder 17 or shortens to drive movable mould fixed plate 13 motion, and is equipped with fixing support on the second pneumatic cylinder 17, is equipped with the screw hole that a plurality of and external world are linked together in this fixing support, can use fastening bolt to install fixing support fixed mounting on the second pneumatic cylinder 17 in the external frame that is equipped with corresponding screw hole.

In addition, the first hydraulic cylinder 15 may be a hydraulic cylinder of the JRC series manufactured by syzygous pneumatic hydraulic equipment ltd, guan, and its associated circuit and power supply are also provided by the manufacturer; furthermore, the utility model discloses in relate to circuit and electronic components and module be prior art, the technical staff in the field can realize completely, no longer gives unnecessary details here, the utility model discloses the content of protection also does not relate to the improvement to software and method.

It should be noted that the second hydraulic cylinder 17 may be an STA series hydraulic cylinder manufactured by faston automation technology ltd of east guan, and a circuit and a power supply thereof are also provided by the manufacturer; furthermore, the utility model discloses in relate to circuit and electronic components and module be prior art, the technical staff in the field can realize completely, no longer gives unnecessary details here, the utility model discloses the content of protection also does not relate to the improvement to software and method.

In this embodiment, through the first hydraulic cylinder 15 that sets up, the telescopic shaft extension that utilizes first hydraulic cylinder 15 drives thimble fixing plate 16 and moves towards the direction of cover half 1, further drives first thimble 161 and the direction motion of second thimble 162 towards cover half 1, realizes giving ejecting the plastics bottle lid that will be in shaping cavity 124, accomplishes the drawing of patterns process, and convenient operation has solved general plastics bottle lid mould and has been not convenient for carry out the drawing of patterns to the plastics bottle lid, brings more inconvenient problem for the user when using.

Example 2

In the concrete operation, in order to avoid that the distance of the thimble fixing plate 16 moving backwards is too long to affect the forming of the plastic bottle cap, therefore, as a preferred embodiment, on the basis of embodiment 1, as shown in fig. 5, two mutually symmetrical limiting plates 2 are further tightly welded on the rectangular plate 14, a buffer plate 20 is disposed at the end of the limiting plate 2, the buffer plate 20 is located between the limiting plate 2 and the thimble fixing plate 16, the buffer plate 20 and the limiting plate 2 are of an integrally formed structure, so as to ensure that the structure is firmer, when the thimble fixing plate 16 moves backwards until its rear side surface abuts against the buffer plate 20, at this time, the end plane of the first thimble 161 is just level with the plane of the rear side cavity wall of the forming cavity 124, the end plane of the second thimble 162 is just level with the plane of the rear side cavity wall of the first main runner 121, so as to facilitate the next injection molding, the problem of do not be equipped with the limiting plate on general plastics bottle lid mould, cause the thimble fixed plate to move backward the distance overlength easily, influence the shaping of plastics bottle lid is solved.

The utility model discloses a plastics bottle lid mould convenient to drawing of patterns is when using, start second hydraulic cylinder 17 and make its work, telescopic shaft on it contracts, drive thimble fixed plate 16 backward move to the trailing flank of thimble fixed plate 16 and support on buffer board 20, at this moment, the terminal plane of first thimble 161 just in time is parallel and level with the plane that the rear cavity wall of shaping cavity 124 is located, the terminal plane of second thimble 162 just in time is parallel and level with the plane that the rear cavity wall of first sprue 121 is located, close second hydraulic cylinder 17 again, start first pneumatic cylinder 15 and make its work next, telescopic shaft extension on it drives movable mould fixed plate 13 and movable mould 12 and moves towards the direction of cover half 1, movable mould 12 moves towards the direction of cover half 1 when movable mould 12 and the surface of cover half 1 laminate each other, accomplish the compound die process, it can to carry out injection moulding again;

during demolding, the first hydraulic cylinder 15 is continuously started to work, the telescopic shaft on the first hydraulic cylinder is shortened to drive the movable mold fixed plate 13 and the movable mold 12 to move towards the direction away from the fixed mold 1, the mold opening process is completed, the second hydraulic cylinder 17 is started to work, the telescopic shaft on the second hydraulic cylinder is extended to drive the thimble fixed plate 16 to move towards the fixed mold 1, the first thimble 161 and the second thimble 162 are further driven to move towards the fixed mold 1, the plastic bottle cap in the forming cavity 124 is ejected out, the demolding process is completed, and the operation is convenient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plastics bottle lid mould convenient to drawing of patterns, includes cover half (1), its characterized in that: a movable mould (12) is arranged on one side of the fixed mould (1), a first main flow passage (121) communicated with the outside is arranged in the movable mould (12), a first through hole (1211) communicated with the outside is arranged on the rear side groove wall of the first main flow channel (121), two second main flow channels (122) which are symmetrical to each other and communicated with the outside are arranged on the groove wall of the first main flow channel (121), a group of sub-runners (123) which are linearly arranged at equal intervals and communicated with the outside are arranged on the top wall and the bottom wall of the second main runner (122), a plurality of forming chambers (124) which are arranged in a matrix form and communicated with the outside are also arranged in the movable mold (12), the sub-runners (123) are communicated with the forming chambers (124) corresponding to the sub-runners, a second through hole (1242) communicated with the outside is formed in the cavity wall of the rear side of the forming cavity (124); the rear side of movable mould (12) is equipped with movable mould fixed plate (13), is close to movable mould (12) still close welding has rectangular plate (14) that is the level form and sets up on the side of movable mould fixed plate (13), be equipped with first pneumatic cylinder (15) on rectangular plate (14), the last close welding of telescopic shaft of first pneumatic cylinder (15) has thimble fixed plate (16), on thimble fixed plate (16) just right the position of second through-hole (1242) is equipped with first thimble (161), first thimble (161) with the cooperation of pegging graft between second through-hole (1242), on thimble fixed plate (16) just right the position of first through-hole (1211) is equipped with second thimble (162), second thimble (162) with the cooperation of pegging graft between first through-hole (1211).

2. The plastic bottle cap mold facilitating demolding of claim 1, wherein: the groove wall of the molding cavity (124) is provided with a plurality of grooves (1241) which are annularly arranged at equal intervals.

3. The plastic bottle cap mold facilitating demolding of claim 1, wherein: the movable mould fixed plate (13) with four support columns (131) arranged in a matrix form are tightly welded between the movable mould (12).

4. The plastic bottle cap mold facilitating demolding of claim 1, wherein: and a pouring hole (10) communicated with the outside is formed in the position, opposite to the first main runner (121), on the fixed die (1).

5. The plastic bottle cap mold facilitating demolding of claim 1, wherein: the position of the fixed die (1) opposite to the forming cavity (124) is provided with a convex column (11), and the convex column (11) is matched with the forming cavity (124) in an inserted manner.

6. The plastic bottle cap mold facilitating demolding of claim 1, wherein: and a second hydraulic cylinder (17) is arranged on the rear side of the movable mold fixed plate (13), and the movable mold fixed plate (13) is tightly welded at the tail end of a telescopic shaft of the second hydraulic cylinder (17).

7. The plastic bottle cap mold facilitating demolding of claim 1, wherein: the improved thimble structure is characterized in that two mutually symmetrical limiting plates (2) are tightly welded on the rectangular plate (14), a buffer plate (20) is arranged at the tail end of each limiting plate (2), and the buffer plate (20) is located between each limiting plate (2) and the thimble fixing plate (16).