CN202318827U - Micro precise injection molding machine - Google Patents
Micro precise injection molding machine Download PDFInfo
- Publication number
- CN202318827U CN202318827U CN2011204506211U CN201120450621U CN202318827U CN 202318827 U CN202318827 U CN 202318827U CN 2011204506211 U CN2011204506211 U CN 2011204506211U CN 201120450621 U CN201120450621 U CN 201120450621U CN 202318827 U CN202318827 U CN 202318827U
- Authority
- CN
- China
- Prior art keywords
- injection
- stirring
- hole
- glue
- heating element
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a micro precise injection molding machine. The micro precise injection molding machine comprises a mold opening and closing mechanism, a glue melt injection mechanism and a machine frame, wherein a stirring and shearing screw rod of the glue melt injection mechanism is arranged in a heating element and forms a glue melting chamber with the inner wall of the heating element; a hole is arranged in the center of the stirring and shearing screw rod; an injection rod extends into the hole from an opening to form a volume chamber; a glue inlet hole is arranged at the other end of the stirring and shearing screw rod; a glue outlet hole is arranged on the stirring and shearing screw rod at one side of the glue inlet hole, which is far away from the opening; the glue inlet hole and the glue outlet hole are movably matched with a one-way valve core arranged at one end of the heating element, which is close to the mold opening and closing mechanism; and the glue inlet hole and the glue outlet hole alternatively work. The micro precise injection molding machine is short in length, small in floor area, compact in structure and easy to repair; glues can be automatically charged and discharged; a PLC (programmable logic controller) can be used to fully-automatically and precisely control actions of parts; and particularly, the injection rod adopts an injection rod with a larger ratio of the length to the cross section, so that the travel of the injection rod is longer, therefore, the injection amount precision can reach 0.01mg.
Description
Technical field
The utility model relates to a kind of clasp mould mechanism, molten gum-filling mechanism and frame of comprising, said clasp mould mechanism and molten gum-filling mechanism are arranged on miniature precise injection machine on the frame.
Background technology
Traditional injection machine generally comprises clasp mould mechanism, injection moulding of melt mechanism and frame; Clasp mould mechanism and injection moulding of melt mechanism in-line are arranged on the frame, and said injection moulding of melt mechanism all comprises the rubber melting cylinder of a strip, as the rubber melting cylinder energy-saving structure of the disclosed a kind of injection machine of Chinese patent document CN201272008; This rubber melting cylinder comprises screw rod, rubber melting cylinder and the injection assembly of melten gel system, and a plurality of heating circles of arranging on the rubber melting cylinder carry out the segmentation heating to rubber melting cylinder; Therefore, the injection moulding of melt mechanism of this injection machine is generally all longer, makes that the entire length of whole injection machine is also very long; Floor space is bigger, under the situation of present an inch of land is an inch of gold, takies bigger area; Certainly will to increase user's land used cost, thereby improve the manufacturing cost of final products.
In order to address the above problem; Someone has proposed the melten gel part of injection moulding of melt mechanism is divided into two independent parts with injection portion, can shorten the length of injection moulding of melt mechanism thereby be arranged above and below, like the disclosed a kind of all-electric twin-screw injection machine of Chinese patent document CN201720992U; It is divided into two parts with melten gel device and injection device exactly; And with parallel arrangement about melten gel device and the injection device, its melten gel device is positioned on the injection device, and the plastic cement that from the melten gel device, is melted flows in the injection device through ball valve; Then, through the injection plunger injection.This structure can shorten the length of injection moulding of melt mechanism widely, reduces the floor space of injection machine; Yet there is complex structure in this structure with parallel arrangement about melten gel device and the injection device, and space hold is big; And it is after advancing the glue completion, before injecting glue, need close ball valve, in case excessive owing to pressure when injecting glue at every turn; And making molten good glue return the melten gel device again, this operation very precisely or careful is closed a little in advance or is postponed and close the quality that all can influence product.Tool is local to be said, closes the use of closing in advance and advances the glue quantity not sufficient, causes the product can not be by complete forming; Postponement is closed, and can cause molten good glue to return the melten gel device, returns out from charging aperture then, and accidentally, this high temperature feed liquid of returning out can be scalded the people.
The utility model content
The utility model purpose is to overcome above-mentioned defective, and a kind of length that can not only shorten injection machine is provided, and its take up room littler, the miniature precise injection machine that structure is compact more.
Another purpose of the utility model is to realize preparing to close automatically glue-feeder, guarantees that thermosol can not turn back to the melten gel part, can overcome the hidden danger that the high temperature feed liquid is scalded the people.
The technical scheme of the utility model is: design a kind of miniature precise injection machine; Comprise clasp mould mechanism, molten gum-filling mechanism and frame; Said clasp mould mechanism and molten gum-filling mechanism are arranged on the frame; Said molten gum-filling mechanism comprises feed hopper, heating element heater, stirring and shear screw, spiro driving device, injection rod, injection rod drive unit and nonreturn valve core, and said stirring and shear screw are located within the said heating element heater, and forms the melten gel chamber with the inwall of said heating element heater; Said feed hopper is located on the heating element heater; And communicate with said melten gel chamber, being provided with the hole of an end opening in said stirring and shear screw central authorities, said injection rod extend in the said hole from said opening and constitutes chamber volume; The other end at stirring and shear screw is provided with glue feeding opening; Glue feeding opening away from the stirring of a side of opening and shear screw on be provided with the plastic hole, said glue feeding opening, plastic hole and be arranged on movable cooperation of nonreturn valve core near an end of clasp mould mechanism of heating element heater, a job is selected in formation glue feeding opening and plastic hole.
As improvement to the utility model; Said nonreturn valve core comprises seal section, plastic emitting section and injection section from the inside to surface successively; The injection hole is located on the injection section; And communicate with the endoporus of plastic emitting section, the endoporus internal diameter of said seal section is less than the endoporus internal diameter of plastic emitting section, and equates with the external diameter of the termination of said stirring and shear screw.
As the improvement to the utility model, the and then seal section of said nonreturn valve core also is provided with the empty avoiding section, and said empty avoiding section central authorities equal the termination external diameter for the outer end, inner bellmouth greater than the termination external diameter.
As the improvement to the utility model, said spiro driving device comprises first servomotor, and said first servomotor is through said stirring of gear set drive and shear screw rotation.
As the improvement to the utility model, said injection rod drive unit comprises second servomotor, and said second servomotor drives the rotation of first ball-screw through first synchronous belt and first synchronizing wheel, thereby the driving injection rod advances or retreats.
As the improvement to the utility model, said clasp mould mechanism comprises the 3rd servomotor, and said the 3rd servomotor drives folding mould portable plate through second synchronous belt, second synchronizing wheel and second ball-screw, moves with respect to the front mould fixed head.
As improvement to the utility model; Said folding mould portable plate and/or front mould fixed head are provided with quick pan filler structure; Said quick pan filler structure comprises front card and back card/back board; Said front card and back card/back board are separated by a distance through the connecting plate formation slot that is connected as a single entity, and on said connecting plate, are provided with screw rod.
As improvement, around said frame, be provided with cabinet to the utility model.
As the improvement to the utility model, said glue feeding opening is a circle loose structure.
As the improvement to the utility model, said plastic hole is a circle loose structure.
The utility model not only makes traditional rubber melting cylinder shorten nearly 40% length owing to adopted twin-screw back structure again, and this structure is for parallel arrangement about the twin-screw, and its structure is compact more, easily maintenance; Adopt unique nonreturn valve core design, under the situation that does not increase any additional mechanism, can realize advancing automatically glue and plastic emitting; All driving mechanism adopts servomotor control; Can realize action with the full-automatic precisely control of PLC various piece; Especially injection rod adopts the bigger injection rod in length and cross section; Make the stroke of injection rod longer, long period control injection volume is arranged, can the injection volume precision be brought up to 0.01mg.Can be widely used in injection moulding to the used small-sized parts of medical industry, IT industry.
Description of drawings
Fig. 1 is the perspective view of a kind of embodiment of the utility model.
Fig. 2 is the perspective view after Fig. 1 adds upper case.
Fig. 3 is the perspective view of the molten gum-filling mechanism among Fig. 1.
Fig. 4 is the perspective view of the core component of molten gum-filling mechanism among Fig. 3.
Fig. 5 is stirring and the perspective view of shear screw, first ball-screw and injection rod among Fig. 4.
Fig. 6 is the sketch map of a kind of state of cross-section structure of stirring and shear screw and nonreturn valve core among Fig. 4.
Fig. 7 is the sketch map of the another kind of state of cross-section structure of stirring and shear screw and nonreturn valve core among Fig. 4.
Fig. 8 is the planar structure sketch map of unit spool among Fig. 6.
Fig. 9 is the perspective view of the quick pan filler structure among Fig. 1.
The specific embodiment
See also Fig. 1 to Fig. 9; What Fig. 1 to Fig. 9 disclosed is a kind of miniature precise injection machine; Comprise clasp mould mechanism 1, molten gum-filling mechanism 2 and frame 3; Said clasp mould mechanism 1 is arranged on the frame 3 with molten gum-filling mechanism 2, and said molten gum-filling mechanism 2 comprises feed hopper 21, heating element heater 22, stirring and shear screw 23, spiro driving device 24, injection rod 25, injection rod drive unit 26 and nonreturn valve core 27, and said stirring and shear screw 23 are located within the said heating element heater 22; And form the melten gel chamber with the inwall of said heating element heater 22; Said heating element heater 22 is located on the seat board 221, and said feed hopper 21 is located on the heating element heater 22 through seat board 221, and communicates with said melten gel chamber; Be provided with the hole of an end opening in said stirring and shear screw 23 central authorities; Said injection rod 25 extend in the said hole from said opening and constitutes chamber volume 233, stirring and the other end of shear screw 23 is provided with glue feeding opening 231, glue feeding opening 231 away from the stirring of a side of opening and shear screw 23 on be provided with plastic hole 232; Said glue feeding opening 231, plastic hole 232 and be arranged on 27 movable cooperations of nonreturn valve core near an end of clasp mould mechanism 1 of heating element heater 22 constitute glue feeding opening 231 and plastic hole 232 and select a job; The side near injection rod drive unit 26 at said seat board 221 is provided with back-moving spring 222, when being used for melten gel glue feeding opening 231 is sealed; Obviously, said back-moving spring 222 also can be designed to not withstand on the structure on the heating element heater 22 through seat board 221, promptly can be designed to said back-moving spring 222 and directly withstand on the heating element heater 22.
In the utility model, said spiro driving device 24 comprises first servomotor 241, and said first servomotor 241 drives said stirring and shear screw 23 rotations through gear train 242.Said injection rod drive unit 26 comprises second servomotor 261; Said second servomotor 261 drives the sleeves rotation that is installed in the female seat 265 of ball-screw through first synchronous belt 262 and first synchronizing wheel 263, advances or retreats thereby let first ball-screw 264 drive injection rods 25.Said clasp mould mechanism 1 comprises the 3rd servomotor 11, and said the 3rd servomotor 11 drives folding mould portable plates 15 through second synchronous belt 12, second synchronizing wheel 13 and second ball-screw 14, moves with respect to front mould fixed head 16 along support 18.Be provided with quick pan filler structure 17 at said folding mould portable plate 15 and/or front mould fixed head 16; Said quick pan filler structure 17 comprises front card 171 and back card/back board 172; Said front card 171 constitutes slot 173 with back card/back board 172 separated by a distance being connected as a single entity through connecting plate 174; On said connecting plate 174, be provided with screw rod 175, during use, front card 171 inserted in the respective grooves of die; Back card/back board 172 inserts in the respective grooves of folding mould portable plate 15 or front mould fixed head 16; Tie down screw 175 just can be fixed on die on folding mould portable plate 15 or the front mould fixed head 16, and this mode can be installed die from the side, than the convenient many (see figure 9)s of installation die from the front in the past.Around said frame 3, be provided with cabinet 31.
See also Fig. 6 to Fig. 8; Said nonreturn valve core 27 comprises seal section 271, plastic emitting section 272 and injection section 273 from the inside to surface successively; Injection hole 274 is located on the injection section 273; And communicate with the endoporus of plastic emitting section 272, the endoporus internal diameter of said seal section 271 is less than the endoporus internal diameter of plastic emitting section 272, and equates with the external diameter of the termination 234 of said stirring and shear screw 23; And then the seal section 271 of said nonreturn valve core 27 also is provided with empty avoiding section 275, and said empty avoiding section 275 central authorities equal termination 234 external diameters for the outer end, inner bellmouth 276 greater than termination 234 external diameters.At melten gel with to the 233 encapsulating stages of chamber volume, as shown in Figure 6, the indoor plastic cement amount that is melted of melten gel reach a certain amount of after; Owing to stir with shear screw 23 ceaselessly that these plastic cement that are melted are movingly to nonreturn valve core 27 1 thrusters, nonreturn valve core 27 is produced thrusts, owing to nonreturn valve core 27 is to withstand on the sprue bushing of mould; Inactive, at this moment, under the effect of the reaction force of above-mentioned thrust; Draw back when seat board 221 is arranged (if, seat board 221 is also retreated with heading) together with heating element heater 22 and stirring and shear screw 23 with the supporting spacing ring 28 of nonreturn valve core 27, backway is during above preset distance; Glue feeding opening 231 spills in seal section 271, is among the empty avoiding section 275, certainly; Do not have empty avoiding section 275 also to be fine, it is promptly passable only to need glue feeding opening 231 to spill in seal section 271; (the removable preset distance of the nonreturn valve core 27 in the present embodiment is designed to 2mm, by spacing with the supporting spacing ring 28 of nonreturn valve core 27), and plastic hole 232 is by seal section 271 sealings; At this moment, the plastic cement that is melted and shears can be poured in the chamber volume 233 from glue feeding opening 231 (being a plurality of glue feeding openings 231 of a circle the present embodiment), and the liquid plastic cement of entering can promote injection rod 25 gradually backward; Until reaching preset distance (being provided with in advance by PLC should distance, sees Fig. 6), at this moment; Stop melten gel, stirring and shear screw 23 stop operating, and above-mentioned thrust is kept to zero; Under the effect of back-moving spring 222; Spacing ring 28 resets forward together with heating element heater 22 and stirring and shear screw 23, and the plastic hole 232 of nonreturn valve core 27 is spilt in plastic emitting section 272, and glue feeding opening 231 is sealed by seal section 271; Under the promotion of injection rod 25; The plastics glue that is melted is 232 (being a plurality of plastic holes 232 of a circle the present embodiment) outflow from the plastic hole, in the injection hole 274 and sprue bushing inflow die through plastic emitting section 272, until accomplishing injection moulding; After injection moulding is accomplished, begin melten gel infusion cycles for the second time again.
The utility model is the control system that constitutes of nuclear core by PLC, controls each step action of the utility model comprehensively, and when heating-up temperature, injection stroke and injection, and with die sinking time of clasp mould mechanism.In PLC, prestore program, after start, only need according to different plastics to the injection moulding of different plastic raw materials, selected corresponding injection moulding program, the utility model can inject qualified product fully automatically.
Claims (10)
1. miniature precise injection machine; Comprise clasp mould mechanism (1), molten gum-filling mechanism (2) and frame (3); Said clasp mould mechanism (1) and molten gum-filling mechanism (2) are arranged on the frame (3); Said molten gum-filling mechanism (2) comprises feed hopper (21), heating element heater (22), stirring and shear screw (23), spiro driving device (24), injection rod (25), injection rod drive unit (26) and nonreturn valve core (27); It is characterized in that; Said stirring and shear screw (23) are located within the said heating element heater (22); And forming the melten gel chamber with the inwall of said heating element heater (22), said feed hopper (21) is located on the heating element heater (22), and communicates with said melten gel chamber; Be provided with the hole of an end opening in said stirring and shear screw (23) central authorities; Said injection rod (25) extend into from said opening and constitutes chamber volume (233) in the said hole, stirring and the other end of shear screw (23) is provided with glue feeding opening (231), glue feeding opening (231) away from the stirring of a side of opening and shear screw (23) on be provided with plastic hole (232); Said glue feeding opening (231), plastic hole (232) and be arranged on movable cooperation of the nonreturn valve core (27) near an end of clasp mould mechanism (1) of heating element heater (22), a job is selected in formation glue feeding opening (231) and plastic hole (232).
2. miniature precise injection machine according to claim 1; It is characterized in that; Said nonreturn valve core (27) comprises seal section (271), plastic emitting section (272) and injection section (273) from the inside to surface successively, and injection hole (274) are located on the injection section (273), and communicates with the endoporus of plastic emitting section (272); The endoporus internal diameter of said seal section (271) is less than the endoporus internal diameter of plastic emitting section (272), and equates with the external diameter of the termination (234) of said stirring and shear screw (23).
3. miniature precise injection machine according to claim 1 and 2; It is characterized in that; And then the seal section (271) of said nonreturn valve core (27) also is provided with empty avoiding section (275); Said empty avoiding section (275) central authorities equal termination (234) external diameter for the outer end, inner bellmouth (276) greater than termination (234) external diameter.
4. miniature precise injection machine according to claim 3; It is characterized in that; Said spiro driving device (24) comprises first servomotor (241), and said first servomotor (241) drives said stirring and shear screw (23) rotation through gear train (242).
5. miniature precise injection machine according to claim 4; It is characterized in that; Said injection rod drive unit (26) comprises second servomotor (261); Said second servomotor (261) drives first ball-screw (264) rotation through first synchronous belt (262) and first synchronizing wheel (263), thereby driving injection rod (25) advances or retreats.
6. miniature precise injection machine according to claim 5; It is characterized in that; Said clasp mould mechanism (1) comprises the 3rd servomotor (11); Said the 3rd servomotor (11) drives folding mould portable plate (15) through second synchronous belt (12), second synchronizing wheel (13) and second ball-screw (14), moves with respect to front mould fixed head (16).
7. miniature precise injection machine according to claim 6; It is characterized in that; Said folding mould portable plate (15) and/or front mould fixed head (16) are provided with quick pan filler structure (17); Said quick pan filler structure (17) comprises front card (171) and back card/back board (172), and separated by a distance being connected as a single entity through connecting plate (174) of said front card (171) and back card/back board (172) constitutes slot (173), on said connecting plate (174), is provided with screw rod (175).
8. miniature precise injection machine according to claim 7 is characterized in that, around said frame (3), is provided with cabinet (31).
9. miniature precise injection machine according to claim 8 is characterized in that, said glue feeding opening (231) is a circle loose structure.
10. miniature precise injection machine according to claim 9 is characterized in that, said plastic hole (232) are a circle loose structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204506211U CN202318827U (en) | 2011-11-15 | 2011-11-15 | Micro precise injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204506211U CN202318827U (en) | 2011-11-15 | 2011-11-15 | Micro precise injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202318827U true CN202318827U (en) | 2012-07-11 |
Family
ID=46430822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204506211U Expired - Lifetime CN202318827U (en) | 2011-11-15 | 2011-11-15 | Micro precise injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202318827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717496A (en) * | 2011-11-15 | 2012-10-10 | 谢远鹏 | Miniature precision injection machine |
| CN110625092A (en) * | 2019-10-18 | 2019-12-31 | 东莞市恒兴隆实业有限公司 | Die casting machine integration processing equipment for button processing |
-
2011
- 2011-11-15 CN CN2011204506211U patent/CN202318827U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717496A (en) * | 2011-11-15 | 2012-10-10 | 谢远鹏 | Miniature precision injection machine |
| CN102717496B (en) * | 2011-11-15 | 2014-09-10 | 谢远鹏 | Miniature precision injection machine |
| CN110625092A (en) * | 2019-10-18 | 2019-12-31 | 东莞市恒兴隆实业有限公司 | Die casting machine integration processing equipment for button processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104908237B (en) | A kind of Double Tops needle plate Leave out thread injection mold | |
| CN107511964B (en) | A kind of BMC injection molding machine | |
| CN203282688U (en) | Multi-head needle valve hot sprue for hot runner system | |
| CN201720992U (en) | Fully electrical double-screw injection molding machine | |
| CN203650855U (en) | Multi-point glue inlet mechanism for injection mold ejector block | |
| CN102275274B (en) | The injection mechanism of super large injection volume and the extruding technique of super-large size plastic goods | |
| CN102717496B (en) | Miniature precision injection machine | |
| CN113524394B (en) | Multi-station automatic hot-press casting device | |
| CN202318827U (en) | Micro precise injection molding machine | |
| CN104985761A (en) | Injection mold for elastic material ejection and thread movement mechanism | |
| CN207156365U (en) | A kind of injection molding apparatus for processing thermoplastic plastic products | |
| CN108698287A (en) | The method of mould machine and moulded component | |
| CN210126262U (en) | Injection molding mold capable of realizing rapid molding | |
| CN104924527A (en) | Injection mould with hot-runner double-layered mould injection-moulding structure | |
| CN204054472U (en) | A kind of PLC controls injection machine | |
| CN205439085U (en) | Double -colored flip -chip mould of transparent mirror | |
| CN104552798B (en) | Injection mold with lift-out system arranged inside sliding block | |
| CN102431126A (en) | Injection mold with retractable gate runner and electric pouring gate cutting device | |
| CN202862534U (en) | Novel hot runner structure of needle valve | |
| CN206703406U (en) | A kind of energy-saving type plastic bottle base Coinjection molding apparatus | |
| CN202318726U (en) | Miniature melt injection molding device | |
| CN206551416U (en) | The injection mold of water pump vane | |
| CN201848982U (en) | Injection device of screw injection molding machine | |
| CN209812988U (en) | Plastic mold advances gluey mechanism | |
| CN103192485A (en) | Precise double-plate multi-screw plunger type injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20140910 |
|
| RGAV | Abandon patent right to avoid regrant |