CN206242406U - A kind of backflow preventing device of injection mold - Google Patents
A kind of backflow preventing device of injection mold Download PDFInfo
- Publication number
- CN206242406U CN206242406U CN201621384259.1U CN201621384259U CN206242406U CN 206242406 U CN206242406 U CN 206242406U CN 201621384259 U CN201621384259 U CN 201621384259U CN 206242406 U CN206242406 U CN 206242406U
- Authority
- CN
- China
- Prior art keywords
- piston
- tube
- injection
- injection molded
- molded tube
- 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.)
- Expired - Fee Related
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of backflow preventing device of injection mold, including：Flexible mould, injection molded tube, injecting head, piston tube, piston, power set, check valve, described flexible mould is injection machine dynamic model, described injection molded tube is arranged on inside flexible mould, described injecting head is connected to injection molded tube end, described piston tube is connected to injection molded tube middle part, described piston is slidably connected in piston tube, described power set are arranged on inside flexible mould, and power set are connected with piston, described check valve is two, it is arranged in injection molded tube, respectively positioned at the top and lower section of piston tube.The utility model has the advantages that simple structure, anti-backflow, using effect are good.
Description
Technical field
The utility model is related to injection-moulding device technical field, specifically a kind of backflow preventing device of injection mold.
Background technology
Injection is a kind of method that industrial products produce moulding.Product is usually using rubber injection mold and plastic injection.Injection
Can also dispensing molding die platen press and casting die.Injection (mo(u)lding) machine (abbreviation injector or injection machine) is by thermoplastic or heat
Solidity material is made the main former of variously-shaped plastic products using mould for plastics, and injection moulding is by injection
Machine and mould are realized.
But in existing injection machine when using, the phenomenon of backflow often occurs, that is, the plastics colloid for melting is being discharged to
After in cavity body of mould, due to the active force for recoiling, can turn again in injection molding tube, have impact on normal injection, reduce product
Quality.
Utility model content
The technical problems to be solved in the utility model is the defect for overcoming prior art, there is provided a kind of injection mold anti-return
Device.
In order to solve the above technical problems, the utility model provides following technical scheme：A kind of backflow preventing device of injection mold,
Including：Flexible mould, injection molded tube, injecting head, piston tube, piston, power set, check valve, described flexible mould are note
Molding machine dynamic model, described injection molded tube is arranged on inside flexible mould, and described injecting head is connected to injection molded tube end, described
Piston tube be connected to injection molded tube middle part, described piston is slidably connected in piston tube, and described power set are arranged on
Inside flexible mould, and power set are connected with piston, and described check valve is two, is arranged in injection molded tube, respectively position
In the top and lower section of piston tube.
Further, described check valve is made up of spacer ring, fix bar, slide bar, catch, limited block, spring, it is described every
Circle middle part is provided with through hole, and spacer ring is fixed in injection molded tube, and described fix bar two ends are fixed in injection molded tube, fix bar
Positioned at spacer ring top, fix bar centre position is provided with through hole, and described sliding bar is connected in the through hole of fix bar, described
Catch is fixed in slide bar end, and catch is located at spacer ring lower section, and described limited block is fixed in slide bar upper end, described spring housing
On slide bar, and both ends of the spring is connected with limited block, fix bar respectively, and spring is in compressive state.
Further, described power set are telescopic cylinder, and described telescopic cylinder passes through holding wire and time control
Device is connected.
Further, described injecting head is threadedly attached in flexible mould, and the injection hole of injecting head is positive six
Side shape.
The utility model has an advantageous effect in that compared with prior art：
1. simple structure, cheap；
2. it is easy to disassemble, easy to maintenance；
3. anti-backflow, using effect are good.
The utility model has the advantages that simple structure, anti-backflow, using effect are good.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is one-way valve structures schematic diagram in the utility model.
In figure marked as：1- flexible moulds；2- injection molded tubes；3- injecting heads；4- piston tubes；5- pistons；6- power set；
7- check valves；
11- spacer rings；12- fix bars；13- slide bars；14- catch；15- limited blocks；16- springs.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
A kind of backflow preventing device of injection mold as shown in Figure 1, 2, including：Flexible mould 1, injection molded tube 2, injecting head 3,
Piston tube 4, piston 5, power set 6, check valve 7, described flexible mould 1 is injection machine dynamic model, and described injection molded tube 2 sets
Put inside flexible mould 1, described injecting head 3 is connected to the end of injection molded tube 2, described piston tube 4 is connected to injection molding tube
The middle part of road 2, described piston 5 is slidably connected in piston tube 4, and described power set 6 are arranged on inside flexible mould 1, and
Power set 6 are connected with piston 5, and described check valve 7 is two, is arranged in injection molded tube 2, respectively positioned at piston tube 4
Top and lower section.
Described check valve 7 is made up of spacer ring 11, fix bar 12, slide bar 13, catch 14, limited block 15, spring 16, described
The middle part of spacer ring 11 be provided with through hole, spacer ring 11 is fixed in injection molded tube 2, and the described two ends of fix bar 12 are fixed in injection molding tube
In road 2, fix bar 12 is located at the top of spacer ring 11, and the centre position of fix bar 12 is provided with through hole, and described slide bar 13 is slidably connected at
In the through hole of fix bar 12, described catch 14 is fixed in the end of slide bar 13, and catch 14 is located at the lower section of spacer ring 11, described limit
Position block 15 is fixed in the upper end of slide bar 13, and described spring 16 is enclosed within slide bar 13, and the two ends of spring 16 respectively with limited block 15, solid
Fixed pole 12 is connected, and spring 16 is in compressive state, using the elastic force of spring 16, catch 14 is pressed onto on spacer ring 11, when catch 14
When top produces pressure, check valve 7 can just be opened, and coordinate piston 5 to be discharged；
Described power set 6 are telescopic cylinder, and described telescopic cylinder is connected by holding wire with time controller, are led to
Cross time controller to control telescopic cylinder to stretch, reach reciprocating effect；
Described injecting head 3 is threadedly attached in flexible mould 1, and the injection hole of injecting head 3 is regular hexagon, when
When occurring blocking, injecting head 3 can be removed by the regular hexagon of injection hole, be cleared up, convenient maintenance.
Principle of the present utility model and advantage：The utility model discloses a kind of backflow preventing device of injection mold, using
When, moved back and forth using the flexible drive of power set 6 or 35, the plastics colloid in injection molded tube 2 is input to step by step
In cavity body of mould, two check valves 7 therein and the cooperating of piston 5 prevent the phenomenon of backflow well, and piston 5 shrinks
When, the check valve 7 of upper end is opened, and plastics colloid enters piston tube 4, and the check valve 7 of lower end is closed, when or during 35 propulsion, on
The check valve 7 at end is closed, and the check valve 7 of lower end is opened, and the plastics colloid in piston tube 4 is discharged in cavity body of mould, discontinuity
Injection, the pressure of backflow is also smaller, and the utility model is utilized with upper type, has prevented backflow phenomenon.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of backflow preventing device of injection mold, including：Flexible mould (1), injection molded tube (2), injecting head (3), piston tube
(4), piston (5), power set (6), check valve (7), it is characterised in that：Described flexible mould (1) is injection machine dynamic model, institute
The injection molded tube (2) stated is arranged on flexible mould (1) inside, and described injecting head (3) is connected to injection molded tube (2) end, institute
The piston tube (4) stated is connected to injection molded tube (2) middle part, and described piston (5) is slidably connected in piston tube (4), described
Power set (6) are internal installed in flexible mould (1), and power set (6) are connected with piston (5), and described check valve (7) is
Two, it is arranged in injection molded tube (2), respectively positioned at the top and lower section of piston tube (4).
2. a kind of backflow preventing device of injection mold according to claim 1, it is characterised in that：Described check valve (7) by
Spacer ring (11), fix bar (12), slide bar (13), catch (14), limited block (15), spring (16) composition, described spacer ring (11)
Middle part is provided with through hole, and spacer ring (11) is fixed in injection molded tube (2), and described fix bar (12) two ends are fixed in injection molded tube
(2) in, positioned at spacer ring (11) top, fix bar (12) centre position is provided with through hole to fix bar (12), and described slide bar (13) is sliding
Dynamic to be connected in the through hole of fix bar (12), described catch (14) is fixed in slide bar (13) end, and catch (14) positioned at every
Circle (11) lower section, described limited block (15) is fixed in slide bar (13) upper end, and described spring (16) is enclosed within slide bar (13), and
Spring (16) two ends are connected with limited block (15), fix bar (12) respectively, and spring (16) is in compressive state.
3. a kind of backflow preventing device of injection mold according to claim 1, it is characterised in that：Described power set (6)
It is telescopic cylinder, described telescopic cylinder is connected by holding wire with time controller.
4. a kind of backflow preventing device of injection mold according to claim 1, it is characterised in that：Described injecting head (3) leads to
Cross and be threaded in flexible mould (1), and the injection hole of injecting head (3) is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384259.1U CN206242406U (en) | 2016-12-16 | 2016-12-16 | A kind of backflow preventing device of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384259.1U CN206242406U (en) | 2016-12-16 | 2016-12-16 | A kind of backflow preventing device of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242406U true CN206242406U (en) | 2017-06-13 |
Family
ID=59009070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384259.1U Expired - Fee Related CN206242406U (en) | 2016-12-16 | 2016-12-16 | A kind of backflow preventing device of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501123A (en) * | 2018-12-27 | 2019-03-22 | 滁州市倍力达塑胶制品有限公司 | A kind of double-deck overlaying part injection molding forming method |
-
2016
- 2016-12-16 CN CN201621384259.1U patent/CN206242406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501123A (en) * | 2018-12-27 | 2019-03-22 | 滁州市倍力达塑胶制品有限公司 | A kind of double-deck overlaying part injection molding forming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208881104U (en) | A kind of injection molding machine injection moulding apparatus | |
| CN203792652U (en) | Inner mold for automatically cutting off edge gate | |
| CN207578932U (en) | A kind of injection mold for being easy to die sinking ejection | |
| CN206242406U (en) | A kind of backflow preventing device of injection mold | |
| CN203994483U (en) | Plastic chair backrest mould gas-assisted flash mechanism | |
| CN204076712U (en) | Two-Stage Injection Device | |
| CN207172614U (en) | A kind of open combinatorial injection molding mould | |
| CN105500647A (en) | Screw head structure for plasticization | |
| CN104369312B (en) | External oil cylinder adding pressure type injection molding machine | |
| CN102653125B (en) | Auxiliary de-molding device for injection molding | |
| CN206510338U (en) | Plastic mould | |
| CN212636478U (en) | Accurate energy-conserving injection moulding pressurizer | |
| CN205148765U (en) | Model material's injection moulding device | |
| CN204196116U (en) | External oil cylinder adding pressure type injection machine | |
| CN104309081A (en) | Injection molding machine | |
| CN107399050A (en) | A kind of plastic material injection mold | |
| CN208558163U (en) | The injection mold of long-life | |
| CN110181725A (en) | A kind of plastic mould side core-pulling ejecting mechanism and its application method | |
| CN202668924U (en) | Injection system with pressure maintaining function | |
| CN206357546U (en) | A kind of injection mechanism for injection moulding machine | |
| CN206780930U (en) | A kind of bidirectional locking injection mold group | |
| CN106696187A (en) | Improved injection mold | |
| CN205835827U (en) | A kind of injection machine air-assisted extrusion nozzle arrangements | |
| CN204367285U (en) | A kind of injection machine | |
| CN205219608U (en) | Improved plastic injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |