CN205386911U - Plastics injection moulding's injection device - Google Patents
Plastics injection moulding's injection device Download PDFInfo
- Publication number
- CN205386911U CN205386911U CN201620117863.1U CN201620117863U CN205386911U CN 205386911 U CN205386911 U CN 205386911U CN 201620117863 U CN201620117863 U CN 201620117863U CN 205386911 U CN205386911 U CN 205386911U
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- China
- Prior art keywords
- injection
- seat
- rod
- transmission shaft
- power transmission
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastics injection moulding's injection device, including injection seat, screw rod, barrel, transmission seat. , oil motor, the barrel is connected in injection seat front end, and the screw rod is arranged in the barrel to screw rod one end is connected with the transmission shaft, and the transmission shaft other end is connected with the oil motor, and on the oil motor was fixed in transmission seat. , wherein injection seat below was equipped with big guide bar, and the injection seat is sliding connection with big guide bar, and injection seat front end department is equipped with moving oil cylinder, transmission seat. Is last to be equipped with and to synthesize the hydro -cylinder, the driving terminal that synthesizes the hydro -cylinder connect in with the injection seat on, still be equipped with the injection drag link bearing on the injection seat, be equipped with swing joint's injection pull rod, front rod and back link in proper order in the injection drag link bearing, articulated on the back link have a little connecting rod, little connecting rod still is connected with connecting rod initiative jar, beneficial effect is: accord with the plastic melt at mould process needs, can let after the shaping goods can not guarantee again that goods have sufficient closely knit degree and surface quality by the overlap.
Description
Technical field
This utility model is specifically related to the injection device of a kind of injection-moulding plastic.
Background technology
Current plastic-injection moulding machine is in order to ensure the plastic products quality of molding, slow injection generally will be set on injection device, fast injection, pressurization pressurize, move back bar, the functional assemblies such as plasticizing, general injection device is mainly by frame, injection device support, mobile guide pillar, spiro rod plasticizing assembly, seat is hit in injection, injection cylinder, injecting piston rod, transmission component, plasticizing oil motor, propel and move back bar, the plasticizing composition such as valve and counterbalance valve, although the above-mentioned injection device mentioned can meet the forming requirements of common goods to a certain extent, but, thin or ultra-thin for some productions, or material fluidity is poor, or shaping area is big, the long ratio of stream is big, the goods occasion that density requirements is high, this injection device also exists significant deficiency.
First; in order to improve the crudy of the thin-gage goods to dynamic property difference in existing injection device; machine-shaping process would generally strengthen Oil pump electrical machinery power or the storage capacity energy is set in injection device periphery; accumulators; instability can be caused to molding, increase manufacturing cost, molding cost is caused damage.
It is true that above two is improved will be only capable of improving the crudy of thin-gage goods, it has not been possible to reducing energy consumption, supercharging feed supplement, improves the requirements at the higher level on the physical strength of goods.Therefore, the injection molding injection device motion of existing plastics machine, model of action and structure still need to be further improved and enhanced.
Summary of the invention
The purpose of this utility model is in that to overcome above-mentioned the deficiencies in the prior art, provide the injection device of a kind of injection-moulding plastic, equal Oil pump electrical machinery power output situation, accelerate injection speed, strengthen injection pressure, injection moulding rigidity is big, can molding forming surface thinner, bigger, more closely knit and presentation quality is better.
The injection device of a kind of injection-moulding plastic that this utility model describes, including injection seat, screw rod, machine barrel, retainer, oil motor, machine barrel is connected to injection seat front end, screw rod is placed in machine barrel, and screw rod one end is connected with power transmission shaft, and the power transmission shaft other end is connected with oil motor, oil motor is fixed on retainer, wherein injection seat is connected with big guide post, and injection seat and big guide post are in being slidably connected, and injection seat front end place is provided with penetrates shifting oil cylinder；Retainer is provided with comprehensive oil cylinder, the promote-side of comprehensive oil cylinder be connected to on injection seat, injection seat is additionally provided with injection drag link bearing, it is provided with, in injection drag link bearing, the injection pull bar, front rod and the back link that are flexibly connected successively, being hinged with small rod on back link, small rod is also associated with connecting rod active cylinder.
Additionally, injection device according to a kind of injection-moulding plastic of the present utility model also has following additional technical feature, according to embodiments more of the present utility model, concrete further, it is connected by power transmission shaft between described oil motor and screw rod, it is connected by power transmission shaft nut between power transmission shaft with oil motor, retainer is provided with injection pull-rod nut, injection pull-rod nut is bolted on the tail end of injection pull bar, injection seat is additionally provided with back link seat, injection drag link bearing rear surface place is provided with and pushes away a spigot surface, big guide post is provided with the injection seat slided along big guide post and stretches out body, push away a spigot surface to stretch out body with injection seat and be connected.
Concrete further, described power transmission shaft is provided with first quarter moon ring.
Concrete further, described injection seat rear end is provided with attaching nut.
Concrete further, described injection seat rear end is also associated with machine barrel nut.
Concrete further, described connecting rod active cylinder front end is provided with small rod and pushes away seat.
Concrete further, described small rod pushes away with small rod and is connected by small clevis pin with head between seat.
Concrete further, described injection pull bar extends to outside injection drag link bearing.
Concrete further, to be released body by injection between described injection pull bar and front rod and be connected, front rod is released with injection and is connected by big bearing pin between body.
Concrete further, described big guide post two ends are provided with the lower supporting frame for fixing big guide post, and lower supporting frame lower end is connected to frame.
The beneficial effects of the utility model are: utilize link motion principle, namely connecting rod active cylinder promotes back link to make the active force of injection pull bar straightening procedure increase along with big multiple, meet plastic melt at mold process needs, goods after molding can be allowed will not to ensure that again goods have enough degree of compactions and surface quality by overlap, same output flow compared to existing technology, this structure can improve injection speed three again to four times, injection pressure improves two times to three times, and the rigidity making shaped article is high strong with lifting precision and stability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional structure schematic diagram at the A-A place of Fig. 1.
The icon of the following drawings illustrates:
Screw rod 1；Machine barrel 2；Injection seat 3；Machine barrel nut 4；First quarter moon ring 5；Power transmission shaft 6；Retainer 7；Oil motor 8；Penetrate shifting oil cylinder 9；Attaching nut 10；Comprehensive oil cylinder 11；Lower supporting frame 12；Big guide post 13；Injection pull bar 14；Injection drag link bearing 15；Body 16 is released in injection；Front rod 17；Big bearing pin 18；Back link 19；Back link seat 20；Small rod 21；Small clevis pin with head 22；Small rod pushes away seat 23；Connecting rod active cylinder 24；Injection pull-rod nut 25；Push away a spigot surface 26；Injection seat stretches out body 27；Power transmission shaft nut 28；Frame 29.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model.
The injection device of a kind of injection-moulding plastic according to this utility model embodiment is described below with reference to Fig. 1 to Fig. 2.
As shown in Figure 1 to Figure 2, the injection device of a kind of injection-moulding plastic that this utility model describes, including injection seat 3, screw rod 1, machine barrel 2, retainer 7, oil motor 8, machine barrel 2 is connected to injection seat 3 front end, screw rod 1 is placed in machine barrel 2, and screw rod 1 one end is connected with power transmission shaft, the power transmission shaft other end is connected with oil motor 8, oil motor 8 is fixed on retainer 7, wherein injection seat 3 is connected with big guide post 13, injection seat 3 and big guide post 13 are in being slidably connected, and injection seat 3 front end place is provided with penetrates shifting oil cylinder 9；Retainer 7 is provided with comprehensive oil cylinder 11, the promote-side of comprehensive oil cylinder 11 be connected to on injection seat 3, injection seat 3 is additionally provided with injection drag link bearing 15, it is provided with, in injection drag link bearing 15, the injection pull bar 14, front rod 17 and the back link 19 that are flexibly connected successively, being hinged with small rod 21 on back link 19, small rod 21 is also associated with connecting rod active cylinder 24.This utility model utilizes link motion principle, connecting rod active cylinder 24 back link 19 can be promoted to make injection pull bar 14 straightening procedure sequence active force increase along with big multiple, meet plastic melt at mold process needs, goods after molding can be allowed will not to ensure that again goods have enough degree of compactions and surface quality by overlap.Same output flow can improve injection speed three again to four times compared to existing technology, and injection pressure improves two times to three times, and the rigidity making shaped article is high strong with lifting precision and stability.
Additionally, injection device according to a kind of injection-moulding plastic of the present utility model also has following additional technical feature, according to embodiments more of the present utility model, concrete further, it is connected by power transmission shaft 6 between described oil motor 8 and screw rod 1, it is connected by power transmission shaft nut 28 between power transmission shaft 6 with oil motor 8, retainer 7 is provided with injection pull-rod nut 25, injection pull-rod nut 25 is bolted on the tail end of injection pull bar 14, injection seat 3 is additionally provided with back link seat 20, injection drag link bearing 15 rear surface place is provided with and pushes away a spigot surface 26, big guide post 13 is provided with the injection seat slided along big guide post 13 and stretches out body 27, push away a spigot surface 26 to stretch out body 27 with injection seat and be connected.Power transmission shaft 6 is provided with first quarter moon ring 5.Injection seat 3 rear end is provided with attaching nut 10.Injection seat 3 rear end is also associated with machine barrel nut 4.Connecting rod active cylinder 24 front end is provided with small rod and pushes away seat 23.Small rod 21 pushes away with small rod between seat 23 and is connected by small clevis pin with head 22.Tool injection pull bar 14 extends to outside injection drag link bearing 15.Being released body 16 by injection between injection pull bar 14 and front rod 17 to be connected, front rod 17 is released with injection and is connected by big bearing pin 18 between body 16.Big guide post 13 two ends are provided with the lower supporting frame 12 for fixing big guide post 13, and lower supporting frame 12 lower end is connected to frame 29.Wherein it is fastened with machine barrel nut 4 by injection seat 3 trailing flank, making machine barrel 2 and injection seat 3 form one will not relative movement, an antirotation keys it is provided with so it does not relatively rotate, equipped with a hopper on injection seat 3 blanking port, it is provided that the needs of production process material between machine barrel 2 and injection seat 3.It addition, screw rod 1 tail end loads power transmission shaft 6 left end, screw rod 1 tail end is provided with driving key, makes screw rod 1 tail end rotate together with driving key.A cannelure on screw rod 1 tail end is used for allowing first quarter moon ring 5 block, and it is fixed on power transmission shaft 6 with one group of screw, make screw rod 1 and power transmission shaft 6 not relative movement, power transmission shaft 6 is loaded in retainer 7, power transmission shaft 6 left end meets the needs of maximum injection power equipped with a thrust bearing, the right-hand member of power transmission shaft 6 is equipped with guide bearing supporting drive shaft 6 together with thrust bearing, these two bearing outside diameters match with retainer 7 endoporus, power transmission shaft 6 fastens equipped with a power transmission shaft nut 28 at the tail end of guide bearing right-hand member, so as to power transmission shaft 6 only can rotate and will not relatively move in biography base.
Under the heat combined effect that machine barrel 2 adds under the effect of heat and material generation shearing force is produced by screw rod 1 self, the material being transported to screw rod 1 front end has been melt state, it is possible to be ready for injection moulding.Penetrate the extension bar head moving oil cylinder 9 and be provided with screw thread, thread segment is provided with nut, nut has one group of screw to be anchored in the head plate of clamping apparatus of this plastic-injection moulding machine, penetrate shifting oil cylinder 9 rod chamber and enter pressure oil rodless cavity oil return, nozzle compresses the mould in molding donsole, it is allowed to injection, and rodless cavity enters pressure oil rod chamber oil return, nozzle compresses the mould of moulded products, it is allowed to injection.Rodless cavity enters pressure oil rod chamber oil return, and nozzle leaves the mould of moulded products, can carry out the cleaning to nozzle or maintenance.
The rod chamber of this comprehensive oil cylinder 11 and rodless cavity two hydraulic fluid port are all nature oil suction or oil extraction when action of injection, when oil motor 8 rotates plasticizing conveying material, rod chamber and the rodless cavity of comprehensive oil cylinder 11 carry out oil extraction, counterbalance valve it is provided with to control oil extraction resistance on now in oil extraction oil, the material reaching screw rod 1 is carried carries out compacting and aerofluxus, for the control that the quality offer of moulded products is favourable.Move back bar, anti-when prolonging action, the rod chamber of comprehensive oil cylinder 11 enters pressure oil, and rodless cavity oil extraction is not controlled by counterbalance valve.
Body 16 is released in injection and injection pull bar 14 place of matching is provided with copper sheathing and realizes guiding and reduce abrasion and protect the wearing layer on injection rod, both can relative sliding.Injection seat 3 right-hand end is provided with copper sheathing and carries out leading or protecting the wearing layer of injection pull bar, and ensures kinematic accuracy.
Wherein the extension bar of link motion cylinder 24 drives small rod to push away seat 23 and move back and forth together, link motion cylinder 14 resets, wait the execution that next injection is moving, now injection pull bar will not move village wait until plasticizing after, anti-prolong action reset together reach to release body 16 with injection before end in contact terminate, the rodless cavity of link motion cylinder 24 enters pressure oil, and rod chamber oil return realizes injection and releases body 16 and release along action of injection direction, terminating after die cavity is full of, body 16 i.e. return is released in injection.It is provided with regulatory function up and down and enters the axiality of ground mouth it addition, former and later two lower supporting frames 12 are contained in frame 29 to meet nozzle and moulded products mould.
On be only preferred embodiment of the present utility model, not in order to limit this utility model, all make within spirit of the present utility model and principle any amendment, equivalent replace or improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. the injection device of an injection-moulding plastic, including injection seat (3), screw rod (1), machine barrel (2), retainer (7), oil motor (8), machine barrel (2) is connected to injection seat (3) front end, screw rod (1) is placed in machine barrel (2), and screw rod (1) one end is connected with power transmission shaft, the power transmission shaft other end is connected with oil motor (8), oil motor (8) is fixed on retainer (7), it is characterized in that: injection seat (3) is connected with big guide post (13), injection seat (3) and big guide post (13) are in being slidably connected, injection seat (3) front end place is provided with penetrates shifting oil cylinder (9)；Retainer (7) is provided with comprehensive oil cylinder (11), the promote-side of comprehensive oil cylinder (11) be connected to on injection seat (3), injection seat (3) is additionally provided with injection drag link bearing (15), it is provided with, in injection drag link bearing (15), the injection pull bar (14), front rod (17) and the back link (19) that are flexibly connected successively, being hinged with small rod (21) on back link (19), small rod (21) is also associated with connecting rod active cylinder (24).
2. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterized in that: be connected by power transmission shaft (6) between described oil motor (8) with screw rod (1), it is connected by power transmission shaft nut (28) between power transmission shaft (6) with oil motor (8), retainer (7) is provided with injection pull-rod nut (25), injection pull-rod nut (25) is bolted on the tail end of injection pull bar (14), injection seat (3) is additionally provided with back link seat (20), injection drag link bearing (15) rear surface place is provided with and pushes away a spigot surface (26), big guide post (13) is provided with the injection seat slided along big guide post (13) and stretches out body (27), push away a spigot surface (26) to stretch out body (27) with injection seat and be connected.
3. the injection device of a kind of injection-moulding plastic according to claim 2, it is characterised in that: described power transmission shaft (6) is provided with first quarter moon ring (5).
4. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterised in that: described injection seat (3) rear end is provided with attaching nut (10).
5. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterised in that: described injection seat (3) rear end is also associated with machine barrel nut (4).
6. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterised in that: described connecting rod active cylinder (24) front end is provided with small rod and pushes away seat (23).
7. the injection device of a kind of injection-moulding plastic according to claim 6, it is characterised in that: described small rod (21) pushes away with small rod and is connected by small clevis pin with head (22) between seat (23).
8. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterised in that: described injection pull bar (14) extends to injection drag link bearing (15) outward.
9. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterized in that: released body (16) by injection between described injection pull bar (14) and front rod (17) and be connected, front rod (17) is released with injection and is connected by big bearing pin (18) between body (16).
10. the injection device of a kind of injection-moulding plastic according to claim 1, it is characterized in that: described big guide post (13) two ends are provided with the lower supporting frame (12) for fixing big guide post (13), and lower supporting frame (12) lower end is connected to frame (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117863.1U CN205386911U (en) | 2016-02-06 | 2016-02-06 | Plastics injection moulding's injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117863.1U CN205386911U (en) | 2016-02-06 | 2016-02-06 | Plastics injection moulding's injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205386911U true CN205386911U (en) | 2016-07-20 |
Family
ID=56382638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117863.1U Withdrawn - After Issue CN205386911U (en) | 2016-02-06 | 2016-02-06 | Plastics injection moulding's injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205386911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751456A (en) * | 2016-02-06 | 2016-07-13 | 黄时来 | Plastic injection molding injection device |
-
2016
- 2016-02-06 CN CN201620117863.1U patent/CN205386911U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751456A (en) * | 2016-02-06 | 2016-07-13 | 黄时来 | Plastic injection molding injection device |
| CN105751456B (en) * | 2016-02-06 | 2018-05-15 | 黄时来 | A kind of injection device of injection-moulding plastic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160720 Effective date of abandoning: 20180515 |
|
| AV01 | Patent right actively abandoned |