CN202318826U - Injection device of screw plunger type injection molding machine - Google Patents
Injection device of screw plunger type injection molding machine Download PDFInfo
- Publication number
- CN202318826U CN202318826U CN2011204369924U CN201120436992U CN202318826U CN 202318826 U CN202318826 U CN 202318826U CN 2011204369924 U CN2011204369924 U CN 2011204369924U CN 201120436992 U CN201120436992 U CN 201120436992U CN 202318826 U CN202318826 U CN 202318826U
- Authority
- CN
- China
- Prior art keywords
- type injection
- injection device
- material storage
- injection
- switch valve
- 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
- 239000007924 injection Substances 0.000 title claims abstract description 91
- 238000002347 injection Methods 0.000 title claims abstract description 91
- 238000001746 injection moulding Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012899 standard injection Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection device of a screw plunger type injection molding machine. The injection device comprises a group of screw reciprocating type injection devices and a group of plunger type injection devices, wherein a flow passage hole is formed on a material storage cylinder of each screw reciprocating type injection device; a switch valve is arranged in each flow passage hole; one end opening of the switch valve is connected with the flow passage hole, and the other end opening of the switch valve is connected with a material storage tank of each plunger type injection device; and the screw reciprocating type injection devices are used for plasticization and injection, and the plunger type injection devices are used for storing plasticized injection materials. The material storage spaces of the material storage tanks of the plunger type injection devices are independent and are not limited by screws and the material storage cylinders, so the material storage quantity of the material storage tanks can be very large, the material storage cylinders can store more materials through a small amount of reconstructions, and the whole device is small in volume and low in cost, and is especially suitable for producing heavy injection products. When the switch valve of a flow passage is closed, the injection device can be used as a common injection molding machine to achieve an effect of two functions on one machine.
Description
Technical field
The utility model relates to the injection machine technical field, relates in particular to the reciprocating type and compound injection device of plunger type of screw rod.
Background technology
The reciprocating type injection device of screw rod of general injection machine, because the molten plastic after plastifying is stored in the material storage tube, its space is limited, causes the injection amount of this injection device can not be very big.And some injecting products is very thick owing to wall thickness at present; Its weight is big especially, and appearance and size seldom, when carrying out the injection machine type selecting for these products; If select large-tonnage standard injection machine; Its injection volume is enough big, but clamping mechanism is equally very big, the words that are used to the to produce little mould very waste that seems; Even select little clamping mechanism to join the special machine of the reciprocating type injection device of large-scale screw rod, because the reciprocating type injection device manufacturing cost of large diameter screw rod is very high, often also uneconomical economically.
The utility model content
The technical problem that the utility model will solve provides a kind of injection machine can strengthen its injection volume on the basis of the reciprocating type injection device of screw rod screw rod plunger type injection device.
The technical scheme that adopts for solving the problems of the technologies described above: a kind of injection device of screw rod plunger-type injection molding machine; Comprise one group of reciprocating type injection device of screw rod and one group of plunger type injection device, it is characterized in that: have a runner hole on the material storage tube of the reciprocating type injection device of said screw rod, establish a switch valve; One end opening of this switch valve and said runner hole are connected and installed; Other end opening is connected with the accumulator of plunger type injection device, and the rear end cap of plunger type injection device is installed the metering device that is connected with the injection cylinder piston, and the plunger type injection device is installed on the retainer; One end of retainer is installed on the mount pad of the reciprocating type injection device of screw rod; The foot of the other end is provided with roller, and roller rolls with rolling rail on being installed on frame and cooperates, and said switch valve and accumulator outer wall are equipped with the heat preservation device.
On the basis of the above, the end of said injection piston has some cannelures.The two ends of said rolling rail are provided with height-adjustable swivel nut.
The material storage tube of the reciprocating type injection device of screw rod mainly plays the function of injection of a plasticizing and a part.The terminal bin stock section of the full material storage tube of molten plastic storage earlier during plasticizing; Material storage tube is opened the runner switch valve after accomplishing the plasticizing metering then, and the major ingredient tube continues plasticizing; Follow-up molten plastic can pass through switch valve and get in the accumulator of plunger type injection device; The molten plastic that gets into accumulator promotes to move behind the injection piston, measures thereby drive the metering device that is installed on the injection cylinder rear end cap, reaches setting value until the storing amount.
During injection, the runner switch valve stays open, and the injection cylinder rear end leads to pressure oil, promotes injection piston the molten plastic in the accumulator is got into material storage tube through switch valve, and the nozzle through material storage tube is expelled to molten plastic in the mould again.After the accumulator injection finished, the runner switch valve cut out, and material storage tube is injection then, accomplished remaining injection and pressurize action.
Adopt the beneficial effect that the utility model brought: because the storing space of the accumulator of plunger type injection device is independent; Do not receive the design limit of screw rod and material storage tube; Therefore its storing amount can be accomplished very greatly, and material storage tube just can install additional through transforming in a small amount, and the volume of package unit is little; Cost is also lower, is particularly suitable for producing heavy weight injecting products.And when machine was used for the product of the common little weight of injection moulding, as long as close the runner switch valve, the action of cancellation plunger type injection device was used just machine can be used as the logical injection machine of a Daepori, reaches the effect of dual-use.
Description of drawings
Fig. 1 is the structural representation of the injection device of the utility model screw rod plunger-type injection molding machine.
The specific embodiment
As shown in Figure 1, a kind of injection device of screw rod plunger-type injection molding machine comprises one group of reciprocating type injection device of screw rod and one group of plunger type injection device.Have a runner hole on the material storage tube 1 of the reciprocating type injection device of said screw rod; An if switch valve 2; One end opening of this switch valve 2 and said runner hole are connected and installed, and other end opening is connected with the accumulator 3 of plunger type injection device, and the rear end cap of plunger type injection device is installed the metering device 5 that is connected with injection cylinder piston 4; The plunger type injection device is installed on the retainer 6; One end of retainer is installed on the mount pad 7 of the reciprocating type injection device of screw rod, and the foot of the other end is provided with roller 8, and roller 8 rolls with rolling rail 10 on being installed on frame 9 and cooperates.Said switch valve 2 is equipped with the heat preservation device with accumulator 3 outer walls.The end of said injection piston 11 has some cannelures.The two ends of said rolling rail 10 are provided with height-adjustable swivel nut 12.Through the level height of Adjusting bolt Adjusting screw 12 adjustment rolling rails 10, and the depth of parallelism of regulating rolling rail 10 working faces and mount pad 7 moving directions, so that when mount pad 7 moves, also can well reach the purpose that supports accumulator 3.
The material storage tube 1 main function of injection that plays a plasticizing and a part of the reciprocating type injection device of screw rod.The bin stock section of full material storage tube 1 end of molten plastic storage earlier during plasticizing; Material storage tube 1 is opened runner switch valve 2 after accomplishing the plasticizing metering then, and material storage tube 1 continues plasticizing; Follow-up molten plastic can pass through switch valve 2 and get in the accumulator 3 of plunger type injection device; The molten plastic that gets into accumulator 3 promotes to move behind the injection piston 11, measures thereby drive the metering device 5 that is installed on injection cylinder 13 rear end caps, reaches setting value until the storing amount.
During injection, runner switch valve 2 stays open, and injection cylinder 13 rear ends lead to pressure oil, promotes injection piston 11 molten plastic in the accumulator 3 is got into material storage tube 1 through switch valve 2, and the nozzle through material storage tube 1 is expelled to molten plastic in the mould again.After accumulator 3 injections finished, runner switch valve 2 cut out, and remaining injection and pressurize action is accomplished in then injection of material storage tube 1.
Mill run when the little weight of production of machinery; When only needing to adopt the reciprocating type injection device of screw rod just to satisfy injection volume, as long as close runner switch valve 2, the action of cancellation plunger type injection device part; Machine just can be used as the logical injection machine of a Daepori and uses, and reaches the effect of dual-use.
Claims (3)
1. the injection device of a screw rod plunger-type injection molding machine; Comprise one group of reciprocating type injection device of screw rod and one group of plunger type injection device, it is characterized in that: have a runner hole on the material storage tube of the reciprocating type injection device of said screw rod, establish a switch valve; One end opening of this switch valve and said runner hole are connected and installed; Other end opening is connected with the accumulator of plunger type injection device, and the rear end cap of plunger type injection device is installed the metering device that is connected with the injection cylinder piston, and the plunger type injection device is installed on the retainer; One end of retainer is installed on the mount pad of the reciprocating type injection device of screw rod; The foot of the other end is provided with roller, and roller rolls with rolling rail on being installed on frame and cooperates, and said switch valve and accumulator outer wall are equipped with the heat preservation device.
2. the injection device of a kind of screw rod plunger-type injection molding machine according to claim 1 is characterized in that: the end of said injection piston has some cannelures.
3. the injection device of a kind of screw rod plunger-type injection molding machine according to claim 1 is characterized in that: the two ends of said rolling rail are provided with height-adjustable swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204369924U CN202318826U (en) | 2011-11-07 | 2011-11-07 | Injection device of screw plunger type injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204369924U CN202318826U (en) | 2011-11-07 | 2011-11-07 | Injection device of screw plunger type injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202318826U true CN202318826U (en) | 2012-07-11 |
Family
ID=46430821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204369924U Expired - Fee Related CN202318826U (en) | 2011-11-07 | 2011-11-07 | Injection device of screw plunger type injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202318826U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386750A (en) * | 2013-07-30 | 2013-11-13 | 浙江华业塑料机械有限公司 | Injection molding device for injection molding machine |
| CN104097308A (en) * | 2014-07-15 | 2014-10-15 | 宁波海洲机械有限公司 | Double-step injection device |
| CN104884225B (en) * | 2013-03-28 | 2016-08-24 | 株式会社沙迪克 | Screw position adjusting apparatus |
-
2011
- 2011-11-07 CN CN2011204369924U patent/CN202318826U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884225B (en) * | 2013-03-28 | 2016-08-24 | 株式会社沙迪克 | Screw position adjusting apparatus |
| CN103386750A (en) * | 2013-07-30 | 2013-11-13 | 浙江华业塑料机械有限公司 | Injection molding device for injection molding machine |
| CN103386750B (en) * | 2013-07-30 | 2016-03-02 | 浙江华业塑料机械有限公司 | For the injection moulding apparatus in injection machine |
| CN104097308A (en) * | 2014-07-15 | 2014-10-15 | 宁波海洲机械有限公司 | Double-step injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102275274A (en) | Injection mechanism with super large injection volume and extrusion molding process of super large plastic products | |
| CN203391191U (en) | Injection device of plastic-wood forming injection molding machine | |
| CN202318826U (en) | Injection device of screw plunger type injection molding machine | |
| CN201399867Y (en) | Rubber injection molding machine | |
| CN202114883U (en) | Injection mechanism with ultra-large injection volume | |
| CN203994483U (en) | Plastic chair backrest mould gas-assisted flash mechanism | |
| CN201437270U (en) | Injection mold capable of automatically cutting off gate | |
| CN201659663U (en) | Mixed double color injection molding machine | |
| CN202572803U (en) | Dedicated injection molding machine for BMCs (bulk molding compounds) | |
| CN202685235U (en) | Injection device for injection modling machine | |
| CN202480348U (en) | Oil-electricity composite precise injection molding machine | |
| CN203665924U (en) | Liquid filling type mold locking mechanism for plastic injection and blow molding machine | |
| CN2609745Y (en) | Injection device of injection machine with feed supplement pressure maintaining and pressurization mechanism | |
| CN201544425U (en) | Composite squeezing device | |
| CN201761040U (en) | High-capacity plastic squeezing composite molding device | |
| CN206678279U (en) | Four-cylinder clamping two-platen direct pressure electro-hydraulic compound injection molding machine | |
| CN201533561U (en) | chocolate casting machine | |
| CN201120692Y (en) | Multicolor plastic shoe sole injection machine of vertical disc | |
| CN115256786A (en) | Composite material extrusion injection molding integrated forming injection device and working method thereof | |
| CN204955326U (en) | Accurate injection moulding injecting glue device of trace | |
| CN208410504U (en) | It is a kind of large size multi-color injection molding machine in storage tank | |
| CN201049510Y (en) | Plastic hollow machine | |
| CN207579014U (en) | The binder cylinder mechanism of injection molding machine | |
| CN202213163U (en) | Plastic extruding, storing and injection moulding unit | |
| CN204367340U (en) | A kind of horizontal injection press twin-tub injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141107 |
|
| EXPY | Termination of patent right or utility model |