CN108437351B - Injection molding machine - Google Patents
Injection molding machine Download PDFInfo
- Publication number
- CN108437351B CN108437351B CN201810271894.6A CN201810271894A CN108437351B CN 108437351 B CN108437351 B CN 108437351B CN 201810271894 A CN201810271894 A CN 201810271894A CN 108437351 B CN108437351 B CN 108437351B
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- China
- Prior art keywords
- tube head
- head
- injection molding
- transverse plate
- vertical rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 53
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of injection molding equipment, and particularly discloses an injection molding machine, which comprises a storage box, wherein a spray head communicated with the storage box is arranged on the storage box, the spray head comprises a first tube head, a second tube head and a third tube head which are sequentially communicated, a rubber sleeve hermetically sleeved with the first tube head is arranged on the second tube head, a first transverse plate is arranged on the first tube head, a first vertical rod is arranged on one side of the first transverse plate, a second vertical rod is arranged on the other side of the first transverse plate, a second transverse plate is fixedly connected to the third tube head, the second transverse plate is connected to the first vertical rod and the second vertical rod through nuts, a first spring is connected between the nuts and the second transverse plate, and a fixing plate is arranged on the first transverse plate. The invention is mainly used for injection molding of the injection molding machine, and solves the problem of low processing efficiency caused by long maintenance time after the spray head of the injection molding machine is blocked.
Description
Technical Field
The invention belongs to the technical field of injection molding equipment, and particularly discloses an injection molding machine.
Background
Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. Injection molding is usually accomplished by an injection molding machine, which is the main molding equipment for making various shapes of plastic products from thermoplastic plastics or thermosetting plastics by using a plastic molding die, and injection molding is accomplished by the injection molding machine and the die.
In the injection molding process of the injection molding machine, because the injection molding raw materials contain impurities, a spray head of the injection molding machine is easy to block, the spray head needs to be disassembled and dredged after being blocked, the spray head is usually connected by a bolt, the bolt needs to be disassembled when the spray head is disassembled, the disassembling process consumes long time, the maintenance or replacement time is increased, and the processing efficiency is reduced; when the bolt is disassembled, the spray head of the injection molding machine can be cooled, the injection molding raw material positioned in the spray head is easy to solidify after being cooled, and the solidified injection molding raw material can block the spray head to influence the follow-up work of the injection molding machine.
Disclosure of Invention
The invention aims to provide an injection molding machine, which aims to solve the problem that the processing efficiency is reduced due to long maintenance time after a spray head of the injection molding machine is blocked.
In order to achieve the purpose, the basic scheme of the invention is as follows: an injection molding machine comprises a storage box, wherein a spray head communicated with the storage box is arranged on the storage box, the spray head comprises a first tube head, a second tube head and a third tube head which are sequentially communicated, the diameter of the third tube head is larger than that of the first tube head and the second tube head, the joint of the second tube head, the first tube head and the third tube head is in sealing contact, a rubber sleeve in sealing sleeve joint with the first tube head is arranged on the second tube head, the first tube head is communicated with the storage box, a first transverse plate is arranged on the first tube head, a first vertical rod is arranged on one side of the first transverse plate, a second vertical rod is arranged on the other side of the first transverse plate, and threaded parts are arranged at the ends, far away from the first transverse plate, of the first vertical rod and the second vertical rod; the third tube head is fixedly connected with a second transverse plate, through holes corresponding to the positions of the first vertical rod and the second vertical rod are formed in two sides of the second transverse plate, the second transverse plate is connected to the first vertical rod and the second vertical rod through the two through holes, nuts are connected to the ends, far away from the first transverse plate, of the first vertical rod and the second vertical rod through threads, a first spring is connected between the two nuts and the second transverse plate, a fixing plate is arranged on the first transverse plate, a cavity structure is arranged in the fixing plate, the second tube head and the third tube head are connected with the fixing plate in a sliding and sealing mode, a filter screen is arranged on one side, close to the third tube head, of the second tube head, a first through hole is formed in the fixing plate, a third through hole is formed in the third tube head, a baffle is arranged at one end, close to the second tube head, of the first tube head and is connected with the first tube head in, the torsional spring enables the baffle to block the pipe orifice of the first pipe head in a natural state, and the second pipe head is arranged on the upper part of the third through hole and is provided with a one-way valve used for conducting outwards.
The working principle of the basic scheme is as follows: before the injection molding machine works, filling gas into the cavity structure; when the injection molding machine performs injection molding, the injection molding raw materials contain impurities, so after the injection molding machine is used for a long time, the impurities are filtered by the filter screen, and the second pipe head is blocked; after the second tube head is blocked, the pressure in the second tube head is increased, the second tube head and the third tube head move, and the second tube head pulls the rubber sleeve to move in the direction far away from the first tube head; the baffle blocks up the mouth of pipe of first tube head under the second spring action, lift the second tube head off, the third tube head is to the direction that is close to first tube head under first spring action and removes, the third through-hole switches on with first through-hole, under the check valve effect, gaseous raw materials of moulding plastics in with the third tube head blows away, pack first tube head and third tube head between with reserve second tube head, the second tube head promotes the baffle and removes, the second tube head blocks up first through-hole, the second tube head respectively with first tube head, the third tube head communicates.
The beneficial effect of this basic scheme lies in:
(1) when the injection molding machine is blocked, the blockage condition of the spray head can be judged in time through the movement of the second pipe head and the third pipe head, so that the spray head can be maintained and replaced in time, and the influence on production due to the blockage of the pipe heads is avoided;
(2) when the second tube head is blocked, the second tube head moves to loose from the first tube head, so that the second tube head can be conveniently and rapidly detached and replaced, the overhauling and replacing time is shortened, and the production efficiency is improved; meanwhile, the rubber sleeve can prevent the plastic spraying material in the second pipe head from flowing to the ground during the moving process of the second pipe head.
Compared with the prior art, the device is easy to replace after the spray head of the injection molding machine is blocked, the replacement time is short, and the production efficiency is high.
Further, second tube head one end is equipped with hemispherical first arch, the other end of second tube head is equipped with hemispherical first recess, first tube head is equipped with hemispherical second recess with second tube head junction, it is protruding that third tube head is equipped with hemispherical second with the junction of second tube head, first arch is connected with the cooperation of second recess, the second is protruding to be connected with the cooperation of first recess, sets up like this, and the junction at second tube head both ends of being convenient for has better leakproofness, and simultaneously, semicircular first arch can play the direction installation effect when overhauing and changing the second tube head, is convenient for install the second tube head.
Further, be equipped with the handle on the second tube head, can dismantle the second tube head fast through the handle, improved change speed.
Further, be equipped with the third recess that matches with the third tube head on the fixed plate, can play better stabilizing action to first tube head, second tube head and third tube head through the second recess.
Further, be equipped with the gasket between nut and the first spring, the gasket can play better effect of blockking to first spring, and when first spring received great pressure, the gasket can prevent that first spring from droing.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an injection molding machine of the present invention;
FIG. 2 is a schematic longitudinal cross-sectional view of a nozzle head of the injection molding machine of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a nozzle of the injection molding machine of FIG. 1;
fig. 4 is a schematic cross-sectional view of a first nozzle of the injection molding machine of the invention of fig. 1.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: storage case 1, first tube head 2, second tube head 3, third tube head 4, rubber sleeve 5, first diaphragm 6, first montant 7, second montant 8, second diaphragm 9, nut 10, first spring 11, fixed plate 12, first through-hole 13, third through-hole 14, gasket 15, first recess 16, first arch 17, second recess 18, the protruding 19 of second, third recess 20, baffle 21, cavity structure 22.
As shown in fig. 1, an injection molding machine comprises a material storage tank 1, wherein the lower part of the material storage tank 1 is sequentially communicated with a first pipe head 2, a second pipe head 3 and a third pipe head 4, a semicircular first bulge 17 is processed at the upper end of the second pipe head 3, a semicircular first groove 16 is processed at the lower end of the second pipe head 3, and a semicircular second groove 18 matched with the first bulge 17 is processed at the lower end of the first pipe head 2; the upper part of the third pipe head 4 is provided with a second bulge 19 matched with the first groove 16, and the side surface of the second pipe head 3 is provided with a handle convenient to detach. A horizontal first transverse plate 6 is arranged on the first tube head 2, a first vertical rod 7 is arranged on the left side of the first transverse plate 6, a second vertical rod 8 is arranged on the right side of the first transverse plate 6, and threaded parts are machined on the lower parts of the first vertical rod 7 and the second vertical rod 8; the third tube head 4 is provided with a second transverse plate 9 which is fixedly connected horizontally, the left end of the second transverse plate 9 is provided with a through hole which is opposite to the first vertical rod 7, the right end of the second transverse plate 9 is provided with a through hole which is opposite to the second vertical rod 8, the second transverse plate 9 is arranged on the first vertical rod 7 and the second vertical rod 8 through nuts, and a first spring 11 and a gasket 15 are sequentially arranged between the nuts 10 and the second transverse plate 9 from top to bottom.
As shown in fig. 4, the lower end of the first pipe head 2 is provided with an arc-shaped baffle 21 matched with the first protrusion, the baffle 21 is hinged with the first pipe head 2, a torsion spring is arranged between the baffle 21 and the first pipe head 2, and the torsion spring can enable the baffle 21 to block the pipe orifice of the first pipe head in a natural state.
The filter screen that is used for filtering impurity is installed to the lower extreme export of second tube head 3, and the rubber sleeve 5 sealed and sliding connection with first tube head 2 is installed to the upper end of second tube head 3.
A fixed plate 12 fixedly connected with the first transverse plate 6 is installed on the first transverse plate 12, a third groove 20 matched with the surface of the third tube head 4 is processed on the fixed plate 12, the fixed plate 12 is in sealing contact with the contact surface of the third tube head 4, a cavity structure 22 is arranged inside the fixed plate 12, the cavity structure 22 is communicated with a high-pressure gas pipeline, as shown in fig. 2 and 3, a first through hole 13 is arranged in the middle of the fixed plate 12, and a third through hole 14 is arranged on the third tube head 4; a one-way valve which is communicated downwards is arranged at the position, above the third through hole 14, of the third pipe head 4.
In specific implementation, the cavity structure 22 is filled with gas; when the injection molding machine is used for injection molding, because the injection molding raw materials contain impurities, the impurities are filtered by the filter screen when the injection molding machine is used, and a large amount of impurities block the second pipe head 3 after the injection molding machine is used for a long time; after the second tube head 3 is blocked, the pressure in the second tube head 3 is increased, the second tube head 3 and the third tube head 4 move downwards, meanwhile, the third tube head 4 moves downwards along the third groove 20, and the second tube head 3 pulls the rubber sleeve 5 to move downwards; the baffle 21 rotates under the action of the torsion spring, and the rotating baffle 21 blocks the pipe orifice of the first pipe head 2; the second pipe head 3 is detached, the third pipe head 4 moves upwards under the action of the first spring 11 and is matched with the second groove 20 of the first pipe head 2 through the second protrusion 19, the third through hole 14 is communicated with the first through hole 13, the injection molding raw materials in the third pipe head 4 are blown away by gas, the standby second pipe head 3 is arranged between the first pipe head 2 and the third pipe head 4, the second pipe head 3 pushes the baffle plate 21 to move, the first through hole 13 is blocked by the second pipe head 3, and the second pipe head 3 is respectively communicated with the first pipe head 2 and the third pipe head 4.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. An injection molding machine comprises a storage box, wherein a spray head communicated with the storage box is arranged on the storage box, and the injection molding machine is characterized in that the spray head comprises a first tube head, a second tube head and a third tube head which are sequentially communicated, the diameter of the third tube head is larger than that of the first tube head and that of the second tube head, the joint of the second tube head, the first tube head and the third tube head is in sealing contact, a rubber sleeve hermetically sleeved with the first tube head is arranged on the second tube head, the first tube head is communicated with the storage box, a first transverse plate is arranged on the first tube head, a first vertical rod is arranged on one side of the first transverse plate, a second vertical rod is arranged on the other side of the first transverse plate, and threaded parts are arranged at the ends of the first vertical rod and the second vertical rod, which are far away from the; the third tube head is fixedly connected with a second transverse plate, through holes corresponding to the positions of the first vertical rod and the second vertical rod are formed in two sides of the second transverse plate, the second transverse plate is connected to the first vertical rod and the second vertical rod through the two through holes, nuts are connected to the ends, far away from the first transverse plate, of the first vertical rod and the second vertical rod through threads, a first spring is connected between the two nuts and the second transverse plate, a fixing plate is arranged on the first transverse plate, a cavity structure is arranged in the fixing plate, the second tube head and the third tube head are connected with the fixing plate in a sliding and sealing mode, a filter screen is arranged on one side, close to the third tube head, of the second tube head, a first through hole is formed in the fixing plate, a third through hole is formed in the third tube head, a baffle is arranged at one end, close to the second tube head, of the first tube head and is connected with the first tube head in, the torsional spring enables the baffle to block the pipe orifice of the first pipe head in a natural state, and the second pipe head is arranged on the upper part of the third through hole and is provided with a one-way valve used for conducting outwards.
2. An injection molding machine according to claim 1, wherein one end of the second pipe head is provided with a hemispherical first protrusion, the other end of the second pipe head is provided with a hemispherical first groove, a hemispherical second groove is arranged at the joint of the first pipe head and the second pipe head, a hemispherical second protrusion is arranged at the joint of the third pipe head and the second pipe head, the first protrusion is connected with the second groove in a matched manner, and the second protrusion is connected with the first groove in a matched manner.
3. An injection molding machine as claimed in claim 1, wherein said second nozzle is provided with a handle.
4. An injection molding machine as claimed in claim 1, wherein the fixing plate is provided with a third recess for mating with the third pipe head.
5. An injection molding machine as claimed in claim 1, wherein a spacer is provided between said nut and said first spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271894.6A CN108437351B (en) | 2018-03-29 | 2018-03-29 | Injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810271894.6A CN108437351B (en) | 2018-03-29 | 2018-03-29 | Injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108437351A CN108437351A (en) | 2018-08-24 |
| CN108437351B true CN108437351B (en) | 2020-04-21 |
Family
ID=63197701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271894.6A Active CN108437351B (en) | 2018-03-29 | 2018-03-29 | Injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437351B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07141945A (en) * | 1993-11-15 | 1995-06-02 | Fujikura Ltd | Injection nozzle device for pre-hanger cable |
| JP2000351133A (en) * | 1999-06-11 | 2000-12-19 | Japan Steel Works Ltd:The | Device for controlling nozzle touch force |
| CN104552779B (en) * | 2014-12-29 | 2017-01-18 | 宁波海洲机械有限公司 | Nozzle of injection molding machine |
| CN106064477B (en) * | 2016-06-02 | 2017-05-31 | 北京易速普瑞科技有限公司 | A kind of fast changeable 3D printing shower nozzle |
| CN206953584U (en) * | 2017-06-20 | 2018-02-02 | 四川建筑职业技术学院 | A kind of 3D printer ejecting device of fast demountable |
-
2018
- 2018-03-29 CN CN201810271894.6A patent/CN108437351B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108437351A (en) | 2018-08-24 |
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Effective date of registration: 20231114 Address after: 315000 No. 6 Binsha Road, Binhai New Area, Economic Development Zone, Fenghua District, Ningbo City, Zhejiang Province Patentee after: Chuangming Plastic Machinery (Zhejiang) Co.,Ltd. Address before: Room 9-5-086, No.8, No.20, No.32, Yangfan Plaza, high tech Zone, Ningbo, Zhejiang 315000 Patentee before: NINGBO XINSHENZE AUTO PARTS Co.,Ltd. |