CN215849339U

CN215849339U - Multiple expansion and contraction mold core dressing expansion and contraction mold core

Info

Publication number: CN215849339U
Application number: CN202121255747.3U
Authority: CN
Inventors: 孙继成; 辛明慧; 曹杰; 杨晓星
Original assignee: Chuzhou Innovation Automation Equipment Technology Co ltd
Current assignee: Chuzhou Innovation Automation Equipment Technology Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-02-18
Anticipated expiration: 2031-06-05

Abstract

The utility model provides a multi-expansion and contraction mold core dressing expansion and contraction mold core with a novel structural design, which comprises a top plate, wherein a bottom plate is arranged at the bottom of the top plate, a sleeve is welded on the outer wall of the top of the bottom plate, an injection nozzle is arranged on the outer wall of one side of the sleeve, a mold cavity is formed in the sleeve, a mold core body is arranged in the mold cavity, an air inlet pipe is arranged in the mold core body, the top end of the air inlet pipe penetrates through the top plate, the mold core body comprises a fixed cylinder, a first expansion and contraction bag is bonded on the outer wall of the bottom of the fixed cylinder, a chassis is welded at the bottom end of the air inlet pipe, a second expansion and contraction bag is integrally formed on the outer wall of the bottom of the first expansion and contraction bag, and the bottom of the second expansion and contraction bag is bonded with the chassis. According to the utility model, through the sleeve and the mold core body, the first collapsible bag and the second collapsible bag with collapsible functions are used as the main body part of the mold core body, so that the mold core body can be conveniently demolded in the sleeve through collapsible, and the effect of convenient demolding of the pen shell mold core body of the toilet pen is realized.

Description

Multiple expansion and contraction mold core dressing expansion and contraction mold core

Technical Field

The utility model relates to the technical field of processing of toilet utensils, in particular to a multiple-expansion mold core toilet expansion and contraction mold core.

Background

The toilet appliance is mostly finished by injection molding, and particularly, the toilet pen shell processed by injection molding is more attractive.

When the pen shell of the toilet pen in the prior art is subjected to injection molding, the mold core structure of the toilet pen shell is slender, so that the mold core is inconvenient to demold, and the production efficiency of the toilet pen shell is reduced due to the fact that the automatic demolding cannot be realized after the injection molding of the pen shell is completed, so that the problem needs to be solved by designing the multi-expansion mold core toilet expansion and contraction mold core.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a multi-expansion and contraction mold core dressing expansion and contraction mold core.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a many times collapsible mold core makeup collapsible mold core, includes the roof, the bottom of roof is provided with the bottom plate, the top outer wall welding of bottom plate has the sleeve, telescopic one side outer wall is provided with the mouth of moulding plastics, open telescopic inside has the die cavity, the inside of die cavity is provided with the mold core body, the inside of mold core body is provided with the intake pipe, the roof is run through on the top of intake pipe, the mold core body includes the solid fixed cylinder, the bottom outer wall bonding of solid fixed cylinder has first collapsible bag, the bottom welding of intake pipe has the chassis, the bottom outer wall integrated into one piece of first collapsible bag has the second collapsible bag, the bottom and the chassis bonding of second collapsible bag.

Furthermore, the outer wall of the bottom of the sleeve is connected with a top column in an inserting mode, an extrusion disc is welded at the top end of the top column, and a moving column is welded at the bottom end of the top column.

Furthermore, the outer wall of the bottom of the chassis is integrally formed with two ejector rods, and the ejector rods are positioned at the top of the extrusion disc

Furthermore, the outer wall of the bottom plate is connected with a cylinder body through a bolt, the moving column is movably inserted in the cylinder body, a spring is arranged in the cylinder body, and the spring is located at the bottom of the moving column.

Furthermore, the outer wall of the air inlet pipe is connected with a compression nut through threads, and air holes which are uniformly distributed are formed in the outer wall of the air inlet pipe.

Furthermore, a guide sleeve is welded on the outer wall of the top of the bottom plate, a guide pillar is welded on the outer wall of the bottom of the top plate, and the guide pillar is movably inserted into the guide sleeve.

Further, telescopic top outer wall integrated into one piece has the sealing ring, the bottom outer wall of roof is opened there is the seal groove, the sealing ring and seal groove looks adaptation.

The utility model has the beneficial effects that:

1. through the sleeve and the mold core body that set up, utilize first harmomegathus bag and the second harmomegathus bag that have the harmomegathus function as the main part of mold core body for the mold core body conveniently demolds through the harmomegathus in telescopic inside, has consequently realized the convenient effect of pen shell mold core body drawing of patterns of toilet pen.

2. Through the spring, the top post and the extrusion disc that set up, utilize the elasticity of spring to make the pen shell of toilet pen carry out the auto-eject from telescopic die cavity inside after the shaping to make things convenient for the pen shell of toilet pen at the inside drawing of patterns unloading of sleeve, consequently realized improving toilet pen production efficiency's effect.

3. Through the guide pillar and the guide pin bushing that set up, drive the guide pillar and slide in the inside of guide pin bushing when utilizing the roof motion for the cooperation between mold core body and the sleeve is more accurate, and then has improved the effect of the pen shell production quality of toilet pen.

4. Through the sealing ring and the sealing groove that set up, utilize the sealing ring at sleeve top to cooperate with the sealing groove on the roof for when moulding plastics the pen shell of toilet pen, the plastics fuse-element can not spill over from the gap between roof and the sleeve, and then produces the overlap when preventing to mould plastics, the quality of moulding plastics of improvement.

Drawings

FIG. 1 is a schematic view of the overall structure of a multiple collapsible core of a cosmetic collapsible core according to the present invention;

FIG. 2 is a schematic cross-sectional view of a multi-collapsible core of the present invention;

FIG. 3 is a schematic structural diagram of a core body of a multi-expansion and contraction core of a cosmetic expansion and contraction core according to the present invention;

FIG. 4 is an enlarged view of the position A of the multiple collapsible core of the dressing collapsible core of the utility model;

FIG. 5 is an enlarged view of the position B of the multiple collapsible core of the cosmetic collapsible core of the present invention.

In the figure: 1 top plate, 2 bottom plate, 3 sleeves, 4 guide sleeves, 5 guide pillars, 6 air inlet pipes, 7 compression nuts, 8 mold core bodies, 9 mold cavities, 10 first collapsible bags, 11 second collapsible bags, 12 air holes, 13 fixing cylinders, 14 base plates, 15 ejector rods, 16 extrusion discs, 17 cylinder bodies, 18 ejector columns, 19 moving columns, 20 springs, 21 sealing rings, 22 sealing grooves and 23 injection molding nozzles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a multiple collapsible mold core dressing collapsible mold core comprises a top plate 1, a bottom plate 2 is arranged at the bottom of the top plate 1, a sleeve 3 is welded on the outer wall of the top of the bottom plate 2, an injection nozzle 23 is arranged on the outer wall of one side of the sleeve 3, a mold cavity 9 is formed inside the sleeve 3, a mold core body 8 is arranged inside the mold cavity 9, a pen shell of a dressing pen is formed by using the mold core body 8 and the mold cavity 9, an air inlet pipe 6 is arranged inside the mold core body 8, the top end of the air inlet pipe 6 penetrates through the top plate 1, the mold core body 8 comprises a fixed cylinder 13, a first collapsible bag 10 is bonded on the outer wall of the bottom of the fixed cylinder 13, a chassis 14 is welded at the bottom end of the air inlet pipe 6, a second collapsible bag 11 is integrally formed on the outer wall of the bottom of the first collapsible bag 10, the bottom of the second collapsible bag 11 is bonded with the chassis 14, and the first collapsible bag 10 and the second collapsible bag 11 are used to enable the mold core body 8 to have multiple collapsible regions, thereby facilitating the demoulding of the model body 8.

Furthermore, the outer wall of the bottom of the sleeve 3 is inserted with a top column 18, the top end of the top column 18 is welded with an extrusion disc 16, the bottom end of the top column 18 is welded with a moving column 19, and the extrusion disc 16 is driven to eject the shell of the toilet pen formed in the sleeve 3 when the moving column 19 moves, so that the stripping of the toilet pen shell is realized.

Furthermore, the outer wall of the bottom of the chassis 14 is integrally formed with two ejector rods 15, the ejector rods 15 are located at the top of the extrusion disc 16, and the two ejector rods 15 are utilized to keep a reasonable distance between the chassis 14 and the inner wall of the bottom of the sleeve 3.

Furthermore, the outer wall of the bottom plate 2 is connected with a cylinder body 17 through a bolt, the moving column 19 is movably inserted in the cylinder body 17, a spring 20 is arranged in the cylinder body 17, the spring 20 is located at the bottom of the moving column 19, and the moving column 19 moves in the cylinder body 17 by utilizing the elasticity of the spring 20, so that the dressing pen shell is demolded.

Further, the outer wall of intake pipe 6 has gland nut 7 through threaded connection, utilizes gland nut 7 to fix intake pipe 6, and the outer wall of intake pipe 6 is opened has evenly distributed's gas pocket 12, makes inside gas can get into mold core body 8 through gas pocket 12.

Further, the outer wall of the top of the bottom plate 2 is welded with a guide sleeve 4, the outer wall of the bottom of the top plate 1 is welded with a guide pillar 5, the guide pillar 5 is movably inserted into the guide sleeve 4, and the guide pillar 5 is utilized to enable the mold core body 8 and the sleeve 3 to be matched with each other more accurately.

Further, the top outer wall integrated into one piece of sleeve 3 has sealing ring 21, and the bottom outer wall of roof 1 is opened there is seal groove 22, and sealing ring 21 and seal groove 22 looks adaptation utilize sealing ring 21 to make the plastic melt can not spill over from sleeve 3's top, produce the defect of overlap when preventing to mould plastics.

The working principle is as follows: when the pen shell of the toilet pen needs to be injected, the injection nozzle 23 on one side of the sleeve 3 injects melt plastics into the cavity 9 of the sleeve 3, so that the melt plastics fills the gap between the mold core body 8 and the mold cavity 9, the mold core body 8 is inflated through the air inlet pipe 6, air enters the first expansion and contraction bag 10 and the second expansion and contraction bag 11 through the air hole 12 of the air inlet pipe 6, so that the first expansion and contraction bag 10 and the second expansion and contraction bag 11 of the mold core body 8 are expanded, when the melt plastics are cooled and formed, the air is released from the first expansion and contraction bag 10 and the second expansion and contraction bag 11 through the air inlet pipe 6, so that the first expansion and contraction bag 10 and the second expansion and contraction bag 11 are shriveled, at the moment, the top plate 1 and the bottom plate 2 are relatively pulled and clamped, so that the guide pillar 5 slides in the guide sleeve 4, and the first expansion and contraction bag 10 and the second expansion and contraction bag 11 are further drawn out from the inside of the formed pen shell of the toilet pen, at this time, the elastic force of the spring 20 makes the moving column 19 move upwards inside the cylinder 17, so that the top column 18 drives the extrusion disc 16 to extrude the shell of the toilet pen, and the shell of the toilet pen is automatically stripped from the inside of the sleeve 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The multi-collapsible mold core dressing collapsible mold core comprises a top plate (1) and is characterized in that a bottom plate (2) is arranged at the bottom of the top plate (1), a sleeve (3) is welded on the outer wall of the top of the bottom plate (2), an injection molding nozzle (23) is arranged on the outer wall of one side of the sleeve (3), a mold cavity (9) is formed in the sleeve (3), a mold core body (8) is arranged in the mold cavity (9), an air inlet pipe (6) is arranged in the mold core body (8), the top end of the air inlet pipe (6) penetrates through the top plate (1), the mold core body (8) comprises a fixed cylinder (13), a first collapsible bag (10) is bonded on the outer wall of the bottom of the fixed cylinder (13), a chassis (14) is welded at the bottom end of the air inlet pipe (6), and a second collapsible bag (11) is integrally formed on the outer wall of the bottom of the first collapsible bag (10), the bottom of the second collapsible bag (11) is bonded with the chassis (14).

2. The multiple collapsible core dressing collapsible core according to claim 1, wherein the outer wall of the bottom of the sleeve (3) is inserted with a top column (18), the top end of the top column (18) is welded with an extrusion disc (16), and the bottom end of the top column (18) is welded with a moving column (19).

3. The multiple collapsible core dressing collapsible core according to claim 2, wherein the bottom outer wall of the bottom plate (14) is integrally formed with two push rods (15), and the push rods (15) are located on the top of the extrusion plate (16).

4. The multiple-expansion-and-contraction core dressing expansion and contraction core as claimed in claim 2, wherein a cylinder body (17) is connected to the outer wall of the bottom plate (2) through a bolt, the moving column (19) is movably inserted into the cylinder body (17), a spring (20) is arranged inside the cylinder body (17), and the spring (20) is located at the bottom of the moving column (19).

5. The multiple-expansion-and-contraction core dressing expansion and contraction core according to claim 1, wherein the outer wall of the air inlet pipe (6) is connected with a compression nut (7) through threads, and the outer wall of the air inlet pipe (6) is provided with air holes (12) which are uniformly distributed.

6. The multiple collapsible core dressing collapsible core according to claim 1, wherein the top outer wall of the bottom plate (2) is welded with a guide sleeve (4), the bottom outer wall of the top plate (1) is welded with a guide post (5), and the guide post (5) is movably inserted into the guide sleeve (4).

7. The multiple collapsible core dressing collapsible core according to claim 1, wherein the top outer wall of the sleeve (3) is integrally formed with a sealing ring (21), the bottom outer wall of the top plate (1) is provided with a sealing groove (22), and the sealing ring (21) is adapted to the sealing groove (22).