CN110315712B - Uniform injection device based on injection mold - Google Patents

Uniform injection device based on injection mold Download PDF

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Publication number
CN110315712B
CN110315712B CN201910618506.1A CN201910618506A CN110315712B CN 110315712 B CN110315712 B CN 110315712B CN 201910618506 A CN201910618506 A CN 201910618506A CN 110315712 B CN110315712 B CN 110315712B
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China
Prior art keywords
injection
device shell
push rod
plate
fixedly installed
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CN201910618506.1A
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CN110315712A (en
Inventor
季梅
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Shenzhen hongchengfei Molding Co.,Ltd.
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Shenzhen Hongchengfei Molding Co ltd
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Priority to CN201910618506.1A priority Critical patent/CN110315712B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/20Injection nozzles
    • B29C45/23Feed stopping equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of injection molds and discloses a uniform injection device based on an injection mold, which comprises a device shell, wherein heating plates are fixedly arranged inside the upper wall surface and the lower wall surface of the device shell, a feed hopper is fixedly arranged on the right side of the upper end of the device shell, a push rod is fixedly sleeved inside the device shell, an inner ejector rod is movably arranged inside the push rod, a top plate matched with the left end of the push rod is fixedly arranged at the left end of the inner ejector rod, a first spring is fixedly arranged on the outer side of the push rod and positioned on the inner side of the device shell, an injection head is fixedly arranged inside the left wall of the device shell, and a check ring positioned on the right side of the injection head. The non-return ring is arranged, so that the non-return ring can prevent liquid plastic from flowing back into the injection device when the fixed die is contacted with the movable die in the one-time injection molding process, the technological requirements of plastic products can be met, and the service life of the injection device can be prolonged.

Description

Uniform injection device based on injection mold
Technical Field
The invention relates to the technical field of injection molds, in particular to a uniform injection device based on an injection mold.
Background
The injection mold is a tool for producing plastic products, and the specific use method is that the plastic melted by heating is injected into a mold cavity by an injection molding machine under high pressure, and a molded product is obtained after cooling and solidification. The injection mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, and during injection molding, a mold cavity is formed through a closed structure of the movable mold and the fixed mold, so that plastic products can be conveniently molded.
Present injection mold in horizontal direction is when moulding the mould, carry out the die cavity through high-pressure injection liquid plastic, the liquid plastic of high-pressure injection is when cover half and movable mould contact, can be because when the effect of pressure flows back into injection apparatus, can cause the damage to injection apparatus, influence the working property of moulding plastics next time, make injection apparatus's life shorten, and, when the liquid plastic flows back into injection apparatus, also can make the plastic quantity of plastic products reduce, can reduce plastic products's life-span, make plastic products can not reach the requirement of technology production, can improve the cost of production.
Disclosure of Invention
In order to realize the purposes of preventing the liquid plastic from flowing back into the injection device to influence the service life of the injection device, ensuring the technological requirements of plastic products and prolonging the service life of the injection device, the invention provides the following technical scheme: a uniform injection device based on an injection mold comprises a device shell, a heating plate and a feeding hopper, wherein the heating plate is fixedly arranged inside the upper wall surface and the lower wall surface of the device shell, the feeding hopper is fixedly arranged on the right side of the upper end of the device shell, a push rod is fixedly sleeved inside the device shell, an inner push rod is movably arranged inside the push rod, a top plate matched with the left end of the push rod is fixedly arranged at the left end of the inner push rod, a first spring is fixedly arranged on the outer side of the push rod and positioned on the inner side of the device shell, an injection head is fixedly arranged inside the left wall of the device shell, the middle inside of the device shell is hollow and is arranged into an injection molding cavity, and a check ring positioned on the right side of the injection;
it includes fixed plate, second spring, connecting rod and sector plate to end the ring, the outside fixed mounting of fixed plate is in the inboard of device shell, the inboard fixed mounting of fixed plate has the connecting rod, the other end fixed mounting of connecting rod has the sector plate, the inboard fixed mounting of fixed plate has the second spring that is located the connecting rod outside, the crossing department of sector plate forms through-hole and injector head phase-match, opening and shutting of sector plate can be controlled to second spring and connecting rod, can control the relation of connection between injection molding chamber and the injector head, can prevent to mould plastics in-process, and liquid plastic can follow the injector head and flow backward into the injection molding intracavity.
As preferred, the inboard fixed mounting of lower extreme of feeder hopper has the wedge, the left side lower extreme fixed mounting of wedge has the inlet pipe, the lower extreme fixed mounting of inlet pipe has accuse to flow the device, the right side lower extreme of wedge is rotated and is installed and rotate the screw rod, the lower extreme that rotates the screw rod flows the device with the accuse and rotates and be connected, inside liquid plastic can enter into the device of moulding plastics through feeder hopper and inlet pipe, can make things convenient for the device of moulding plastics to carry out the work of moulding plastics.
Preferably, a thread groove is formed in the right side of the inside of the flow control device, a rotating screw rod is sleeved on an internal thread of the thread groove, a driving gear is fixedly sleeved at the lower end of the rotating screw rod and located in the inside of the flow control device, the left side of the driving gear is meshed with a driven gear, the upper end of the driven gear is fixedly connected with the lower end of a feeding pipe, a feeding cavity corresponding to the lower end of the driven gear is formed in the left side of the inside of the flow control device, the feeding cavity corresponds to an injection molding cavity, and the opening and closing of a central through hole of the driven gear can be controlled by rotating the connection between the screw rod and the driving gear, so that the feeding amount of.
As preferred, driven gear's front end edge position rotates installs the arc pole, the arc pole other end rotates installs the rotation baffle, the rear end and the feeding chamber phase-match of rotation baffle, driven gear's rotation can drive the arc pole and take place to rotate, and then can drive the rotation baffle and take place to rotate the feeding condition of adjusting liquid plastic.
The invention has the beneficial effects that:
1. according to the invention, through the arrangement of the check ring, the connecting rod can move towards the inner side under the control of the computer, so that the connecting rod can push the fan-shaped plates to move towards the inner side, and the four fan-shaped plates are tightly connected after moving towards the inner side, so that the fan-shaped plates are mutually closed, the right end of the injection head can be blocked, and the liquid plastic cement can be prevented from flowing back into the injection cavity in the injection molding process, thereby influencing the injection molding device and the injection molding working performance.
2. According to the invention, through the arrangement of the flow control device, in the injection molding process, the top plate is contacted with the flow control device along with the pushing of the top plate, so that the control device moves towards the upper wall of the device shell, the driving gear and the rotating screw rod rotate, and further the driven gear can be driven to rotate, the rotation of the driven gear drives the arc-shaped rod to rotate, the arc-shaped rod can drive the rotating baffle plate to rotate towards the inner side, the through hole in the center of the driven gear is closed, liquid plastic cement in the feeding hopper can be prevented from entering the injection molding device, the feeding amount of the liquid plastic cement can be controlled, and meanwhile, the performance requirement of the process can be influenced by the injection of new liquid plastic cement in the injection molding process.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure of the check ring of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of the flow control device shown in FIG. 1 according to the present invention;
fig. 5 is a schematic top view of the gear valve of fig. 4 according to the present invention.
In the figure: the device comprises a device shell 1, a heating plate 2, a feeding hopper 3, a pushing rod 4, an inner push rod 5, a first spring 6, a top plate 7, a support 8, a flow control device 9, an injection molding cavity 10, an injection head 11, a non-return ring 12, a fixed plate 13, a second spring 14, a connecting rod 15, a sector plate 16, a wedge plate 17, a rotating screw 18, a feeding pipe 19, a driving gear 20, a driven gear 21, a feeding cavity 22, a thread groove 23, an arc-shaped rod 24 and a rotating baffle 25.
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.
Referring to fig. 1-5, a uniform injection device based on an injection mold comprises a device shell 1, a heating plate 2 and a feed hopper 3, wherein the heating plate 2 is fixedly installed inside the upper wall surface and the lower wall surface of the device shell 1, the feed hopper 3 is fixedly installed on the right side of the upper end of the device shell 1, a push rod 4 is fixedly sleeved inside the device shell 1, an inner ejector rod 5 is movably installed inside the push rod 4, a top plate 7 matched with the left end of the push rod 4 is fixedly installed at the left end of the inner ejector rod 5, a first spring 6 is fixedly installed on the outer side of the push rod 4 and positioned on the inner side of the device shell 1, an injection head 11 is fixedly installed inside the left wall of the device shell 1, an injection molding cavity 10 is hollow in the middle of the device shell 1, and a check ring 12 positioned on the right side;
the non-return ring 12 comprises a fixing plate 13, a second spring 14, a connecting rod 15 and a sector plate 16, the outer side of the fixing plate 13 is fixedly installed on the inner side of the device shell 1, the connecting rod 15 is fixedly installed on the inner side of the fixing plate 13, the sector plate 16 is fixedly installed at the other end of the connecting rod 15, the second spring 14 located on the outer side of the connecting rod 15 is fixedly installed on the inner side of the fixing plate 13, a through hole is formed in the intersection of the sector plate 16 and matched with the injection head 11, the second spring 14 and the connecting rod 15 can control the opening and closing of the sector plate 16, the connection relation between the injection molding cavity 10 and the injection head 11 can be controlled, and liquid plastic can be prevented from flowing back into the injection.
The inboard fixed mounting of lower extreme of feeder hopper 3 has wedge 17, and the left side lower extreme fixed mounting of wedge 17 has inlet pipe 19, and the lower extreme fixed mounting of inlet pipe 19 has accuse to flow device 9, and the right side lower extreme of wedge 17 rotates and installs and rotate screw rod 18, and the lower extreme that rotates screw rod 18 rotates with accuse to flow device 9 and is connected, and inside liquid plastic can enter into the device of moulding plastics through feeder hopper 3 and inlet pipe 19, can make things convenient for the device of moulding plastics to carry out the work of moulding plastics.
Thread groove 23 has been seted up on accuse stream device 9's inside right side, the internal thread of thread groove 23 has cup jointed rotation screw 18, the lower extreme of rotation screw 18 just is located the fixed driving gear 20 that has cup jointed of the inside position of accuse stream device 9, the left side and the driven gear 21 meshing of driving gear 20 are connected, the upper end of driven gear 21 and the lower extreme fixed connection of inlet pipe 19, the inside left side of accuse stream device 9 is seted up and is followed the corresponding feeding chamber 22 of driven gear 21 lower extreme, feeding chamber 22 is corresponding with the chamber 10 of moulding plastics, it is connected to rotate being connected between screw 18 and the driving gear 20, can control the opening and shutting of driven gear 21 central through-hole, can control the feed quantity of liquid plastic.
The edge position of the front end of driven gear 21 rotates and installs arc pole 24, and the other end of arc pole 24 rotates and installs rotation baffle 25, and rotation baffle 25's rear end and feeding chamber 22 phase-match, driven gear 21's rotation can drive arc pole 24 and take place to rotate, and then can drive rotation baffle 25 and take place to rotate the feeding condition of adjusting liquid plastic.
When the injection molding device is used, liquid plastic is injected through the feed hopper 3, the liquid plastic is injected into the injection molding cavity 10 in the device shell 1 through the feed pipe 19 and the feed cavity 22, the push rod 4 is controlled by a terminal to push towards the inside of the device shell 1, so that the liquid plastic can be pushed to the injection head 11 by the top plate 7, the top plate 7 is contacted with the flow control device 9 along with the push of the top plate 7, the control device 9 moves towards the upper wall of the device shell 1, the driving gear 20 and the rotating screw 18 rotate to drive the driven gear 21 to rotate, the rotation of the driven gear 21 drives the arc-shaped rod 24 to rotate, the arc-shaped rod 24 can drive the rotating baffle 25 to rotate towards the inner side, the through hole in the center of the driven gear 21 is closed, the liquid plastic in the feed hopper 3 can be prevented from entering the injection molding device, and the amount of, inject liquid plastic into the mould through injection head 11 in, after injection head 11 sprays the plastic, make connecting rod 15 move to the inboard through terminal control, make sector plate 16 contact each other, make sector plate 16 can block up injection head 11, make the plastic after moulding plastics can not flow backwards into injection molding cavity 10, along with the completion of once moulding plastics, under the effect of second spring 14, sector plate 16 opens, accuse flows device 9 and moves down simultaneously and makes the central through-hole of driven gear 21 open, make things convenient for going on of moulding plastics next time.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (1)

1. The utility model provides an even injection device based on injection mold, includes device shell (1), hot plate (2) and feeder hopper (3), the inside equal fixed mounting of two upper and lower walls of device shell (1) has hot plate (2), the upper end right side fixed mounting of device shell (1) has feeder hopper (3), its characterized in that: the device is characterized in that a push rod (4) is fixedly sleeved in the device shell (1), an inner push rod (5) is movably mounted in the push rod (4), a top plate (7) matched with the left end of the push rod (4) is fixedly mounted at the left end of the inner push rod (5), a first spring (6) is fixedly mounted on the outer side of the push rod (4) and positioned on the inner side of the device shell (1), an injection head (11) is fixedly mounted in the left wall of the device shell (1), an injection molding cavity (10) is hollow in the middle of the interior of the device shell (1), and a check ring (12) positioned on the right side of the injection head (11) is fixedly mounted on the left side of the injection molding cavity (10);
the non-return ring (12) comprises a fixing plate (13), a second spring (14), a connecting rod (15) and a sector plate (16), the outer side of the fixing plate (13) is fixedly installed on the inner side of the device shell (1), the connecting rod (15) is fixedly installed on the inner side of the fixing plate (13), the sector plate (16) is fixedly installed at the other end of the connecting rod (15), the second spring (14) located on the outer side of the connecting rod (15) is fixedly installed on the inner side of the fixing plate (13), and a through hole is formed at the intersection of the sector plate (16) and matched with the injection head (11); a wedge-shaped plate (17) is fixedly installed on the inner side of the lower end of the feed hopper (3), a feed pipe (19) is fixedly installed at the lower end of the left side of the wedge-shaped plate (17), a flow control device (9) is fixedly installed at the lower end of the feed pipe (19), a rotating screw rod (18) is rotatably installed at the lower end of the right side of the wedge-shaped plate (17), and the lower end of the rotating screw rod (18) is rotatably connected with the flow control device (9); a thread groove (23) is formed in the right side inside the flow control device (9), a rotating screw (18) is sleeved on an internal thread of the thread groove (23), a driving gear (20) is fixedly sleeved at the lower end of the rotating screw (18) and located inside the flow control device (9), the left side of the driving gear (20) is meshed with a driven gear (21), the upper end of the driven gear (21) is fixedly connected with the lower end of a feeding pipe (19), a feeding cavity (22) corresponding to the lower end of the driven gear (21) is formed in the left side inside the flow control device (9), and the feeding cavity (22) corresponds to the injection molding cavity (10); the edge position of the front end of driven gear (21) rotates and installs arc pole (24), rotation baffle (25) are installed in the rotation of arc pole (24) other end, the rear end and the feeding chamber (22) phase-match of rotation baffle (25).
CN201910618506.1A 2019-07-09 2019-07-09 Uniform injection device based on injection mold Active CN110315712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910618506.1A CN110315712B (en) 2019-07-09 2019-07-09 Uniform injection device based on injection mold

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Application Number Priority Date Filing Date Title
CN201910618506.1A CN110315712B (en) 2019-07-09 2019-07-09 Uniform injection device based on injection mold

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CN110315712A CN110315712A (en) 2019-10-11
CN110315712B true CN110315712B (en) 2021-05-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112936746A (en) * 2021-01-25 2021-06-11 李俊 Novel injection molding machine capable of adjusting glue injection amount

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1281782A (en) * 1999-07-23 2001-01-31 住友重机械工业株式会社 Injection device and control method thereof
CN107906216A (en) * 2017-11-28 2018-04-13 徐州新南湖科技有限公司 A kind of coal mine gas absorption and control valve
CN208914538U (en) * 2018-09-13 2019-05-31 苏州松之叶精密机械配件有限公司 The ejecting device of rubber shoots shaping machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1281782A (en) * 1999-07-23 2001-01-31 住友重机械工业株式会社 Injection device and control method thereof
CN107906216A (en) * 2017-11-28 2018-04-13 徐州新南湖科技有限公司 A kind of coal mine gas absorption and control valve
CN208914538U (en) * 2018-09-13 2019-05-31 苏州松之叶精密机械配件有限公司 The ejecting device of rubber shoots shaping machine

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Effective date of registration: 20210420

Address after: 518103 Room 301, building 15, Longwangmiao Industrial Zone, East District, baishixia community, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province

Applicant after: Shenzhen hongchengfei Molding Co.,Ltd.

Address before: 232222 Famous Group of Xiaxi Village, Qingtang Village, Liugang Town, Shouxian County, Huainan City, Anhui Province

Applicant before: Ji Mei

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