CN207481060U - A kind of EVA foam injection molding machines with vacuum (-tight) housing - Google Patents
A kind of EVA foam injection molding machines with vacuum (-tight) housing Download PDFInfo
- Publication number
- CN207481060U CN207481060U CN201721549008.9U CN201721549008U CN207481060U CN 207481060 U CN207481060 U CN 207481060U CN 201721549008 U CN201721549008 U CN 201721549008U CN 207481060 U CN207481060 U CN 207481060U
- Authority
- CN
- China
- Prior art keywords
- groove
- vacuum
- die
- material feeding
- lower die
- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to foam forming machine fields,More particularly to a kind of EVA foam injection molding machines with vacuum (-tight) housing,It is mainly solved in the prior art using closure oil cylinder,The blocking component of piston rod and block head composition mainly blocks material feeding runner,The problem of sealing effect of die joint on upper die and lower die is poor,Including rack,Upper mold is respectively arranged in the rack,Lower die,Upper groove and lower groove are respectively arranged on the die joint of the upper die and lower die,The first elastomer block is provided in the lower groove,The upper surface of first elastomer block is provided with the first groove,The cross section of first groove is the trapezoidal of handstand,The left and right sides of first groove are both provided with straight slot,The V-type elastomer block of handstand is provided in first groove,The top of the V-type elastomer block is each passed through straight slot,The bottom of the upper groove is provided with convex block.
Description
Technical field
The utility model is related to foam forming machine field more particularly to a kind of EVA shot foamed mouldings with vacuum (-tight) housing
Machine.
Background technology
The production process of EVA shot foamed mouldings generally includes material feeding, molding, demoulding and by gripper into mold
Structure captures the step of forming workpiece, and with diversification of the designer to product design, EVA foamed molded products are via biography
The monochrome of system is gradually transitions double-colored and three colors, and thus the requirement for EVA foam injection molding machines is also higher and higher.
China Patent No.：201620667380.9 a kind of EVA foam injection molding machines with vacuum (-tight) housing are disclosed, including
Middle template, upper heating plate, lower heating plate, further include the second upper mold, the second lower die, material feeding rifle and blocking component, on described second
Mould, the second lower die corresponding matching are simultaneously installed between heating plate and lower heating plate；The blocking component is installed in middle template；
Cavity, material feeding runner and evacuation passageway are formed when second upper mold is molded with the second lower die, the material feeding runner is with vacuumizing
Channel forms opening in the second upper mold or second time mould surface；The material feeding rifle is by being opened in the second upper mold or the second lower die table
The opening in face connects the material feeding runner and EVA material is injected cavity；The blocking component is used to block material feeding runner.The dress
It puts by the way that the second upper mold is set to be molded with the second lower die, when being closed completely, starts vacuuming action, while feeding machine connects
Opening carries out material feeding, when material feeding is completed, blocks cylinder action, drives block head, across material feeding runner and material feeding runner is complete
It blocks, vacuuming action terminates, and after the completion of heating, completes a workflow, plays the role of good foaming；But
Using the blocking component mainly closure material feeding runner for blocking oil cylinder, piston rod and block head composition, dividing on upper die and lower die
The sealing effect of die face is poor, vacuumizing effect unobvious, causes foamed molded product qualification rate low.
Utility model content
Therefore, for it is above-mentioned the problem of, the utility model provides a kind of EVA foam injection molding machines with vacuum (-tight) housing,
It is mainly solved mainly blocks material feeding using the blocking component for blocking oil cylinder, piston rod and block head composition in the prior art
Runner, the sealing effect of the die joint on upper die and lower die is poor, and vacuumizing effect unobvious cause foamed molded product qualification rate
The problem of low.
To achieve the above object, the utility model employs following technical scheme：A kind of EVA with vacuum (-tight) housing projects hair
Molding machine is steeped, including rack, middle template, upper heating plate, lower heating plate, upper die and lower die, material feeding are respectively arranged in the rack
Rifle and blocking component, the upper die and lower die corresponding matching are simultaneously set between heating plate and lower heating plate, the blocking component
It is set in template, cavity, material feeding runner and evacuation passageway, the material feeding runner is formed when the upper mold is molded with lower die
It is formed and is open on the surface of upper mold or lower die with evacuation passageway, the material feeding rifle is by being opened in the surface of upper mold or lower die
Opening connects the material feeding runner and EVA material is injected cavity, and the blocking component is used to block material feeding runner, the upper mold
With upper groove and lower groove are respectively arranged on the die joint of lower die, be provided with the first elastomer block in the lower groove, described
The upper surface of one elastomer block is provided with the first groove, and the cross section of first groove is trapezoidal, first groove to stand upside down
Left and right sides be both provided with straight slot, the V-type elastomer block of handstand is provided in first groove, the V-type elastomer block
Top is each passed through straight slot, and the bottom of the upper groove is provided with convex block.
Further, the convex block is the trapezoidal of handstand, and the width at the upper bottom of the convex block is more than the width at the upper bottom of groove
Degree.
Further, the bottom of the first groove of first elastomer block is provided with trapezoidal convex block.
Further, vacuum extractor is additionally provided in the rack, the vacuum extractor includes being arranged in rack
Oil cylinder, vacuum valve, the inlet and outlet of the oil cylinder connect with hydraulic station, and sealing is provided between the vacuum valve and oil cylinder
Needle, the vacuum valve are connected with exhaust tube, and the exhaust tube free end is connected with vacuum station, and the vacuum station passes through vacuum passage
Extract the air in cavity.
By using preceding solution, the beneficial effects of the utility model are：This has the EVA shooting foamings of vacuum (-tight) housing
Molding machine by being respectively arranged with upper groove and lower groove on the die joint of upper die and lower die, and setting convex block in upper groove,
The first elastomer block of setting and V-type elastomer block in lower groove, upper mold in lower die clamping process, the convex block in upper groove first squeezes downwards
Press V-type elastomer block so that the lower part in the V-type elastomer block of handstand is resisted against on the die joint of upper die and lower die, increase upper mold with
The sealing performance of lower die, after upper mold and lower die molding completely, the side wall of convex block and then the first groove of extruding in upper groove makes
It obtains the first elastomer block to be fitted on the side wall of upper groove and lower groove, further increases the sealing performance of upper mold and lower die, make
The vacuumizing effect for obtaining cavity is good；Further, the trapezoidal convex block of the bottom setting of the first groove of the first elastomer block, increases V
Expanded angle of the type elastomer block in extrusion process so that V-type elastomer block squeezes the dynamics increase of die joint, so as to enhance sealing
Property；Further, when vacuum extractor vacuumizes, exhaust tube is connected in vacuum station, and for generating negative pressure, oil cylinder pulls sealing
Needle drives sealing syringe needle outer wall and vacuum valve inner wall closely coupled, forms sealing, so as to which needle seal and oil cylinder be driven to be connected to liquid
On pressure station, pass through the solenoid valve control pumpdown time.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the schematic cross-sectional view at A in Fig. 1；
Fig. 3 is another state schematic cross-sectional view at A in Fig. 1.
Specific embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
The utility model embodiment is：
With reference to figure 1, Fig. 2 and Fig. 3, a kind of EVA foam injection molding machines with vacuum (-tight) housing, including rack 1, the rack
Vacuum extractor 2, middle template 3, upper heating plate 4, lower heating plate 5, upper mold 6, lower die 7, material feeding rifle 8 and envelope are respectively arranged on 1
Blocking component 9, the upper mold 6,7 corresponding matching of lower die are simultaneously set between heating plate 4 and lower heating plate 5, the blocking component 9
It is set in template 3, cavity 10, material feeding runner 11 and evacuation passageway 12, institute is formed when the upper mold 6 is molded with lower die 7
It states material feeding runner 11 and forms opening on the surface of upper mold 6 or lower die 7 with evacuation passageway 12, the material feeding rifle 8 is by being opened in
The opening on the surface of upper mold 6 or lower die 7 connects the material feeding runner 11 and EVA material is injected cavity 10, the blocking component 6
For blocking material feeding runner 11, upper groove 61 and lower groove 71, institute are respectively arranged on the die joint of the upper mold 6 and lower die 7
State and elastomer block 13 be provided in lower groove 71, the upper surface of the elastomer block 13 setting fluted 14, the groove 14 it is transversal
Face is the trapezoidal of handstand, and the left and right sides of the groove 14 are both provided with straight slot 15, and the V of handstand is provided in the groove 14
Type elastomer block 16, the top of the V-type elastomer block 16 are each passed through straight slot 15, the bottom setting of the groove 14 of the elastomer block 13
There is trapezoidal convex block 17, the bottom of the upper groove 61 is provided with convex block 18, and the convex block 18 is trapezoidal, the convex block 18 to stand upside down
Upper bottom width be more than groove 14 upper bottom width, the vacuum extractor 2 include being arranged on oil cylinder 21 in rack 1,
Vacuum valve 22, the inlet and outlet of the oil cylinder 21 are connect with hydraulic station 23, are provided between the vacuum valve 22 and oil cylinder 21 close
Needle 24 is sealed, the vacuum valve 22 is connected with exhaust tube 25, and 25 free end of exhaust tube is connected with vacuum station 26, the vacuum station
26 extract the air in cavity 10 by vacuum passage 12.
The working method of the utility model is：This have vacuum (-tight) housing EVA foam injection molding machines by upper mold 6 and under
Upper groove 61 and lower groove 71 are respectively arranged on the die joint of mould 7, and is set in the interior setting convex block 18 of upper groove 61, lower groove 71
Put elastomer block 13 and V-type elastomer block 16, upper mold 6 in 7 clamping process of lower die, the convex block 18 in upper groove 61 is first pressed down against V
Type elastomer block 16 so that the lower part in the V-type elastomer block 16 of handstand is resisted against on the die joint of upper mold 6 and lower die 7, increases upper mold
6 with the sealing performance of lower die 7, after upper mold 6 and lower die 7 mold completely, convex block 18 in upper groove 61 and then squeezing groove 14
Side wall so that elastomer block 13 is fitted on the side wall of upper groove 61 and lower groove 71, further increases upper mold 6 and lower die 7
Sealing performance so that the vacuumizing effect of cavity 10 is good；The trapezoidal convex block 18 of the bottom setting of the groove 14 of elastomer block 13, increases
Adding expanded angle of the V-type elastomer block 16 in extrusion process so that V-type elastomer block 16 squeezes the dynamics increase of die joint, so as to
Enhance leakproofness；When vacuum extractor 2 vacuumizes, exhaust tube 25 is connected in vacuum station 26, and for generating negative pressure, oil cylinder 21 is drawn
Dynamic sealing needle 24 drives sealing syringe needle outer wall and 22 inner wall of vacuum valve closely coupled, forms sealing, so as to drive needle seal 24 and
Oil cylinder 21 is connected on hydraulic station 23, passes through the solenoid valve control pumpdown time.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (4)
1. a kind of EVA foam injection molding machines with vacuum (-tight) housing, including rack, be respectively arranged in the rack middle template,
Upper heating plate, lower heating plate, upper die and lower die, material feeding rifle and blocking component, the upper die and lower die corresponding matching are simultaneously set to
Between heating plate and lower heating plate, the blocking component is set in middle template, formed when the upper mold and lower die mold cavity,
Material feeding runner and evacuation passageway, the material feeding runner is formed on the surface of upper mold or lower die with evacuation passageway and is open, described
Material feeding rifle is by being opened in the opening connection material feeding runner on the surface of upper mold or lower die and EVA material being injected cavity, institute
Blocking component is stated for blocking material feeding runner, it is characterised in that：Fovea superior is respectively arranged on the die joint of the upper die and lower die
Slot and lower groove are provided with the first elastomer block in the lower groove, and the upper surface of first elastomer block is provided with the first groove,
The cross section of first groove is to stand upside down trapezoidal, and the left and right sides of first groove are both provided with straight slot, described the
The V-type elastomer block of handstand is provided in one groove, the top of the V-type elastomer block is each passed through straight slot, the bottom of the upper groove
Portion is provided with convex block.
2. the EVA foam injection molding machines according to claim 1 with vacuum (-tight) housing, it is characterised in that：The convex block is
That stands upside down is trapezoidal, and the width at the upper bottom of the convex block is more than the width at the upper bottom of groove.
3. the EVA foam injection molding machines according to claim 1 with vacuum (-tight) housing, it is characterised in that：First bullet
The bottom of first groove of property block is provided with trapezoidal convex block.
4. the EVA foam injection molding machines with vacuum (-tight) housing according to claims 1 to 3 any claim, feature
It is：Vacuum extractor is additionally provided in the rack, the vacuum extractor includes the oil cylinder being arranged in rack, vacuum
Valve, the inlet and outlet of the oil cylinder are connect with hydraulic station, and needle seal, the vacuum valve are provided between the vacuum valve and oil cylinder
Exhaust tube is connected with, the exhaust tube free end is connected with vacuum station, and the vacuum station is extracted by vacuum passage in cavity
Air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549008.9U CN207481060U (en) | 2017-11-17 | 2017-11-17 | A kind of EVA foam injection molding machines with vacuum (-tight) housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721549008.9U CN207481060U (en) | 2017-11-17 | 2017-11-17 | A kind of EVA foam injection molding machines with vacuum (-tight) housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207481060U true CN207481060U (en) | 2018-06-12 |
Family
ID=62474131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721549008.9U Expired - Fee Related CN207481060U (en) | 2017-11-17 | 2017-11-17 | A kind of EVA foam injection molding machines with vacuum (-tight) housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207481060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397604A (en) * | 2018-10-31 | 2019-03-01 | 顺达（芜湖）汽车饰件有限公司 | A kind of steering wheel vacuum foam device |
-
2017
- 2017-11-17 CN CN201721549008.9U patent/CN207481060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397604A (en) * | 2018-10-31 | 2019-03-01 | 顺达（芜湖）汽车饰件有限公司 | A kind of steering wheel vacuum foam device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209466584U (en) | A kind of high sealing refrigerator pallet processing mold | |
| CN106863765A (en) | A kind of Novel plastic suction mould | |
| CN207481060U (en) | A kind of EVA foam injection molding machines with vacuum (-tight) housing | |
| CN206663782U (en) | A kind of Novel plastic suction mould | |
| CN203901714U (en) | Anti-sticking welding mold for door seal of refrigerator | |
| CN203888132U (en) | Injection mold | |
| CN206344448U (en) | A kind of sectional die manufactured for inner container of icebox | |
| CN103521586B (en) | Stainless steel tube shaped device | |
| TW201622941A (en) | EVA external vacuum injection molding apparatus | |
| CN207432691U (en) | One kind vacuumizes injection mold | |
| CN209079146U (en) | A kind of injection molding machine compression forming clamping mechanism | |
| CN207359470U (en) | A kind of Vacuuming structure of compression mold | |
| CN209454069U (en) | A kind of injection mold with refrigerating function | |
| CN207495917U (en) | A kind of vulcanization tooling with skeleton rubber product | |
| CN207240734U (en) | A kind of air-conditioning moulding injection mold with contraction distortion control | |
| CN206357546U (en) | A kind of injection mechanism for injection moulding machine | |
| CN107399057A (en) | A kind of injection mold | |
| TWI581941B (en) | Method of external vacuum injection molding of eva | |
| CN207972264U (en) | A kind of injection molding machine feeding device of simplicity | |
| CN205310716U (en) | Rubber injection mold | |
| CN215703700U (en) | Novel glue inlet of mould | |
| CN206465396U (en) | Bimodulus injection mold | |
| CN206953474U (en) | Mould vacuumizes molding structure | |
| CN218803646U (en) | Split type cavity fixing structure | |
| CN209079019U (en) | A kind of vacuum impregnating gum forming machine |
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: 20180612 Termination date: 20181117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |