CN103934991A - Glue injection device for injection molding machine - Google Patents
Glue injection device for injection molding machine Download PDFInfo
- Publication number
- CN103934991A CN103934991A CN201410207237.7A CN201410207237A CN103934991A CN 103934991 A CN103934991 A CN 103934991A CN 201410207237 A CN201410207237 A CN 201410207237A CN 103934991 A CN103934991 A CN 103934991A
- Authority
- CN
- China
- Prior art keywords
- screw
- screw rod
- injection device
- melten gel
- barrel
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/63—Venting or degassing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a glue injection device for an injection molding machine. The glue injection device comprises a plastifying part, wherein the plastifying part comprises a material barrel and screw rods arranged in the material barrel; the glue injection device for the injection molding machine is characterized in that three screw rods are arranged in the material barrel and are arranged triangularly or in a linearly parallel manner, and the inner wall of the material barrel is tangent with the outer trajectory formed by rotation of three screw rods. According to the glue injection device for the injection molding machine, three screw rods are adopted to forcibly convey the material, screw ridges and screw grooves of each screw rod have speed difference, so that the material can be fully extruded, ground and mixed and has good self-cleaning property and good calendaring effect, the quality of products is improved, and the single energy consumption and the processing cost are reduced.
Description
Technical field
The present invention relates to a kind of injection device, particularly a kind of injection machine melten gel injection device.
Background technology
At present, injection machine generally adopts single screw rod melten gel injection system, and the screw Plasticized component that existing injection machine adopts is mainly made up of screw rod, barrel, nozzle etc., and it has been even plasticizing, realizes the core component of calibrated shot.
The specific works principle of screw Plasticized component is: when preformed, screw rod rotation, the material that falls into screw channel from material mouth is pushed ahead continuously, heating collar passes to material by barrel wall heat, solid material is under external heat and screw rod rotational shear double action, and the thermal history of the each functional section of process screw rod, reach plasticizing and melting, melt is pushed check ring open, flow into the front end of screw rod through surrounding's passage of screw head, and produce back pressure, after lead-screw, move the metering of melt, in the time of injection, screw rod plays plunger, under oil cylinder effect, reach rapidly, melt in storage compartment is injected to mould by nozzle.
For existing single screw rod melten gel injection device, because feeding adopts single screw form, be prone to buildup phenomenon, cause material to can not get mixing and mixing fully, cause the harmful effects such as poor product quality, power consumption, production cost height.
Summary of the invention
The technical problem to be solved in the present invention is the present situation for prior art, provides a kind of conveying to be difficult for buildup, mixes, and plasticizing capacity is good, the injection machine that product quality is high melten gel injection device.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of injection machine melten gel injection device, comprise Plasticized component, described Plasticized component comprises barrel and is arranged on the screw rod in barrel, it is characterized in that: in described barrel, be provided with three screw rods, these three screw rods are triangle or along straight line parallel setting, the outer track rotating to form of described material tube inner wall and described three screw rods is tangent.
The first kind of way arranging as above-mentioned three screw rods, every screw rod is intermeshing, can improve material squeezing action.
The second way arranging as above-mentioned three screw rods, the outer track that every adjacent screw rod rotates to form along self axis is separated from each other, and screw rod, in rotary course, can form the shearing to material between adjacent screw rod.
The third mode arranging as above-mentioned three screw rods, described three screw rods are conical screw, and the outer track that adjacent conical screw rotates to form along self axis is tangent, can improve the squeezing action power that screw rod is pushed ahead material.
As improvement, injection machine also comprises a power splitting mechanism and hydraulic motor with melten gel injection device, described three screw rods comprise a drive screw and two driven screw rods, this drive screw is connected with hydraulic motor, and this drive screw drives two driven screw rod rotations by described power splitting mechanism, described drive screw is connected with described hydraulic motor through described power splitting mechanism, described driven screw rod extends in described power splitting mechanism, and be positioned at described drive screw both sides, described driven screw rod both sides in described power splitting mechanism are provided with jackshaft, described drive screw and described jackshaft adopt Bevel Gear Transmission, described jackshaft and described driven screw rod adopt Spur Gear Driving.Utilize single hydraulic motor to drive the rotation of three screw rods, make structure more compact, simultaneously, utilize Bevel Gear Transmission, make the axis of jackshaft and the axis of drive screw at an angle, the driving force on jackshaft and lateral attitude have been passed to driven screw rod by recycling Spur Gear Driving, and then make the axis of driven screw rod transfer inclination form with respect to the axis of drive screw to by parallel form, is convenient to the setting of Conic thread rod.
Improve, on described barrel, be provided with bearing shell, the other end of described driven screw rod is arranged in described bearing shell, transfers driven screw rod to two ends two fulcrum forms by single fulcrum form, has improved the stability of driven screw rod.
Improve again, described screw rod comprises transportation section, extend and be connected and with the single fluxing zone of wavy groove with this transportation section, extend and be connected and with the homogenizing zone of double wave shape groove with this fluxing zone, in each pitch of described fluxing zone, all there is a radially radially recessed trough gradually of the crest of projection and gradually, in each pitch of described homogenizing zone, all there are two radially radially recessed troughs gradually of the crest of projection and two gradually, between adjacent crest and trough, there is an auxiliary spiral shell rib, fluxing zone completes the shearing plasticizing to material, there is the effect that makes the lax cooling of material, homogenizing zone can make the material of melting before injection, obtain further homogenizing, be conducive to improve the quality of products.
Improve, in described driven screw rod, have cooling duct, outside described cooling duct, connect cooling water pipe, driven screw rod is run through in cooling duct, forms loop with cooling water pipe, improves cooling effectiveness and effect.
Improve again, described drive screw also comprises a screw head, on screw head, be arranged with a check ring, this check ring rear end is provided with cross-bridging, in described check ring, is provided with pawl, cross-bridging can effectively must prop up check ring, and check ring can effectively prevent that material from flowing backwards, and meanwhile, is arranged on the pawl in check ring, make check ring and screw rod without relatively rotating, can avoid the melt shearing between screw rod and check ring overheated.
As other two kinds of improvement of above-mentioned screw head, the first form, described screw head neck is drilled with mixing pin, and the material of process is produced to choked flow effect; The second form, the head of described screw head has skewed slot, and the entrance seamed edge of skewed slot has dissection to material.
Improve, on described barrel, have exhaust outlet, the charging aperture bottom on described barrel has an angular cut, exhaust outlet is convenient to the discharge of gas in barrel, and angular cut makes the contact angle of material and screw rod and contact area become large, be conducive to improve charging efficiency, be difficult for forming hole in hopper.
Compared with prior art, owing to the invention has the advantages that: with respect to existing single screw rod melten gel injection device, the present invention adopts three screw compulsories to carry, expand the contact area of screw rod and material tube inner wall, increased between adjacent screw rod, produce to material shearing, increase the extruding force of screw rod to material, in barrel, be difficult for the phenomenon of buildup, simultaneously, between the spiral shell rib of each screw rod and screw channel, there is speed difference, make material fully be pushed and mill, material obtains mixing fully and is mixing, self-cleaning property and rolling effect are good, improve the quality of product, reduce unit consumption energy and processing cost.
Brief description of the drawings
Fig. 1 is the structural representation of injection machine melten gel injection device in the embodiment of the present invention;
Fig. 2 is another structural representation of injection machine melten gel injection device in the embodiment of the present invention;
Fig. 3 is the structural representation of Fig. 1 medium power distributor gear;
Fig. 4 is the sectional view at A-A place in Fig. 1;
Fig. 5 is the structural representation that driven screw rod end arranges;
Fig. 6 is the structural representation that in screw head, cross-bridging arranges;
Fig. 7 is the structural representation of the first screw head;
Fig. 8 is the structural representation of the second screw head;
Fig. 9 is the structural representation of the third screw head;
Figure 10 is the structural representation of drive screw;
Figure 11 is the structural representation of exhaust outlet and charging aperture on barrel;
Figure 12 is the structural representation of charging aperture in Figure 11.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Fig. 1 to 12, the melten gel injection device of the injection machine in this enforcement, comprises Plasticized component, power splitting mechanism 4 and hydraulic motor 5 etc.
Wherein, Plasticized component comprises barrel 1 and is arranged on the screw rod in barrel 1, in barrel 1, be provided with three screw rods, these three screw rods are triangle setting, the another kind of form arranging as three screw rods, can also be that three screw rods are a word and be arranged in parallel, meanwhile, the outer track rotating to form of barrel 1 inwall and three screw rods be tangent.
The way of contact of above-mentioned three screw rods has three kinds, first kind of way, and every screw rod is intermeshing, can improve material squeezing action; The second way, the outer track that every adjacent screw rod rotates to form along self axis is separated from each other, thus screw rod is in rotary course, between adjacent screw rod, can form the shearing to material; The third mode, three screw rods can also be to be conical screw, the outer track that adjacent conical screw rotates to form along self axis is tangent, can improve like this squeezing action power that screw rod is pushed ahead material.
In addition, three screw rods comprise a drive screw 2 and two driven screw rods 3, and this drive screw 2 is connected with hydraulic motor 5, and this drive screw 2 drives two driven screw rods 3 to rotate by power splitting mechanism 4, utilize single hydraulic motor 5 to drive the rotation of three screw rods, make structure more compact.Wherein, drive screw 2 is connected with hydraulic motor 5 through power splitting mechanism 4, driven screw rod 3 extends in power splitting mechanism 4, and be positioned at drive screw 2 both sides, driven screw rod 3 both sides in power splitting mechanism 4 are provided with jackshaft 42, drive screw 2 adopts bevel gear 41 transmissions with jackshaft 42, jackshaft 42 adopts spur gear 43 transmissions with driven screw rod 3, utilize bevel gear 41 transmissions, make the axis of jackshaft 42 and the axis of drive screw 2 at an angle, the driving force on jackshaft 42 and lateral attitude have been passed to driven screw rod 3 by 43 transmissions of recycling spur gear, and then make the axis of driven screw rod 3 transfer inclination form with respect to the axis of drive screw 2 to by parallel form, be convenient to the setting of Conic thread rod.
In addition, be provided with bearing shell 31 on barrel 1, the other end of driven screw rod 3 is arranged in bearing shell 31, transfers driven screw rod 3 to two ends two fulcrum forms by single fulcrum form, has improved the stability of driven screw rod 3.
Have again, screw rod comprises transportation section L1, extend and be connected and with the single fluxing zone L2 of wavy groove with this transportation section, extend and be connected and with the homogenizing zone L3 of double wave shape groove with this fluxing zone L2, in each pitch of fluxing zone L2, all there is a radially radially recessed trough 8 gradually of the crest 9 of projection and gradually, in each pitch of homogenizing zone L3, all there are two radially radially recessed troughs 8 gradually of the crest 9 of projection and two gradually, between adjacent crest 9 and trough 8, there is an auxiliary spiral shell rib 10, fluxing zone L2 completes the shearing plasticizing to material, there is the effect that makes the lax cooling of material, homogenizing zone L3 can make the material of melting before injection, obtain further homogenizing, be conducive to improve the quality of products.
Meanwhile, in driven screw rod 3, have cooling duct 31, the outer cooling water pipe 6 that connects in cooling duct 31, driven screw rod 3 is run through in cooling duct 31, forms loop with cooling water pipe 6, improves cooling effectiveness and effect.Drive screw 2 also comprises a screw head 7, is arranged with a check ring 72 on screw head 7, and these check ring 72 rear ends are provided with cross-bridging 71, and cross-bridging 71 can effectively must prop up check ring 72, and check ring 72 can effectively prevent that material from flowing backwards.
Can have three kinds of forms as above-mentioned screw head 7, the first form, is provided with pawl 73 in check ring 72, makes check ring 72 and screw rod without relatively rotating, and can avoid the melt shearing between screw rod and check ring 72 overheated; The second form, screw head 7 necks are drilled with mixing pin 74, and the material of process is produced to choked flow effect; The third form, the head of screw head 7 has skewed slot 75, and the entrance seamed edge of skewed slot 75 has dissection to material.
Finally, have exhaust outlet 11 and charging aperture 12 on barrel 1, exhaust outlet 11 is convenient to the discharge of barrel 1 interior gas; By having an angular cut 121 in charging aperture 12 bottoms, it is large that the contact angle of material and screw rod and contact area become, and is conducive to improve charging efficiency, is difficult for forming hole in hopper.
The operation principle of injection moulding apparatus of the present invention is: when preformed, drive screw 2 in Plasticized component is by hydraulic motor 5 driven rotary, when drive screw 2 rotates, drive the rotation of two driven screw rods 3 by power splitting mechanism 4 simultaneously, material plasticizing is also shifted the melt having plastified onto in the storage compartment of barrel 1 front end, meanwhile, three screw rods retreat under the reaction of material, and by thrust bearing, thrust bearing 13 is retreated, pull piston rod straight line to retreat by nut, complete metering, when injection, the bar chamber oil-feed of injection cylinder 14 promotes piston rod execution by bearing, the bar chamber oil-feed of piston promotes piston rod and screw rod completes action of injection.
With respect to existing single screw rod melten gel injection device, the present invention adopts three screw compulsories to carry, expand the contact area of screw rod and barrel 1 inwall, increased between adjacent screw rod, produce to material shearing, increase the extruding force of screw rod to material, in barrel 1, be difficult for the phenomenon of buildup, simultaneously, between the spiral shell rib of each screw rod and screw channel, there is speed difference, make material fully be pushed and mill, material obtains mixing fully and is mixing, and self-cleaning property and rolling effect are good, improve the quality of product, reduced unit consumption energy and processing cost.
Claims (10)
1. an injection machine melten gel injection device, comprise Plasticized component, described Plasticized component comprises barrel and is arranged on the screw rod in barrel, it is characterized in that: in described barrel, be provided with three screw rods, these three screw rods are triangle or along straight line parallel setting, the outer track rotating to form of described material tube inner wall and described three screw rods is tangent.
2. injection machine according to claim 1 melten gel injection device, is characterized in that: the outer track that the intermeshing or adjacent screw rod of every screw rod rotates to form along self axis is separated from each other.
3. injection machine according to claim 1 melten gel injection device, is characterized in that: described three screw rods are conical screw, and the outer track that adjacent conical screw rotates to form along self axis is tangent.
4. injection machine according to claim 3 melten gel injection device, it is characterized in that: also comprise a power splitting mechanism and hydraulic motor, described three screw rods comprise a drive screw and two driven screw rods, this drive screw is connected with hydraulic motor, and this drive screw drives two driven screw rod rotations by described power splitting mechanism, described drive screw is connected with described hydraulic motor through described power splitting mechanism, described driven screw rod extends in described power splitting mechanism, and be positioned at described drive screw both sides, described driven screw rod both sides in described power splitting mechanism are provided with jackshaft, described drive screw and described jackshaft adopt Bevel Gear Transmission, described jackshaft and described driven screw rod adopt Spur Gear Driving.
5. according to the injection machine melten gel injection device described in claim 1 to 4 any one, it is characterized in that: on described barrel, be provided with bearing shell, the other end of described driven screw rod is arranged in described bearing shell.
6. according to the injection machine melten gel injection device described in claim 1 to 4 any one, it is characterized in that: described screw rod comprises transportation section, extend and be connected and with the single fluxing zone of wavy groove with this transportation section, extend and be connected and with the homogenizing zone of double wave shape groove with this fluxing zone, in each pitch of described fluxing zone, all there is a radially radially recessed trough gradually of the crest of projection and gradually, in each pitch of described homogenizing zone, all there are two radially radially recessed troughs gradually of the crest of projection and two gradually, between adjacent crest and trough, there is an auxiliary spiral shell rib.
7. according to the injection machine melten gel injection device described in claim 1 to 4 any one, it is characterized in that: in described driven screw rod, have cooling duct, outside described cooling duct, connect cooling water pipe.
8. according to the injection machine melten gel injection device described in claim 6 any one, it is characterized in that: described drive screw also comprises a screw head, on screw head, be arranged with a check ring, this check ring rear end is provided with cross-bridging, in described check ring, is provided with pawl.
9. injection machine according to claim 6 melten gel injection device, is characterized in that: the head that described screw head neck is drilled with mixing pin or described screw head has skewed slot.
10. injection machine according to claim 9 melten gel injection device, is characterized in that: on described barrel, have exhaust outlet, the charging aperture bottom on described barrel has an angular cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207237.7A CN103934991A (en) | 2014-05-15 | 2014-05-15 | Glue injection device for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207237.7A CN103934991A (en) | 2014-05-15 | 2014-05-15 | Glue injection device for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934991A true CN103934991A (en) | 2014-07-23 |
Family
ID=51182991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410207237.7A Withdrawn CN103934991A (en) | 2014-05-15 | 2014-05-15 | Glue injection device for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934991A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493828A (en) * | 2016-12-14 | 2017-03-15 | 河北工业大学 | A kind of slurry extrusion system |
| CN108015970A (en) * | 2017-12-20 | 2018-05-11 | 东莞博川智能设备有限公司 | A kind of full-automatic electric double coloured plastic injection machine |
| CN111452313A (en) * | 2019-01-18 | 2020-07-28 | 恩格尔奥地利有限公司 | Plasticizing unit and injection molding machine |
-
2014
- 2014-05-15 CN CN201410207237.7A patent/CN103934991A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493828A (en) * | 2016-12-14 | 2017-03-15 | 河北工业大学 | A kind of slurry extrusion system |
| CN106493828B (en) * | 2016-12-14 | 2018-11-09 | 河北工业大学 | A kind of slurry extrusion system |
| CN108015970A (en) * | 2017-12-20 | 2018-05-11 | 东莞博川智能设备有限公司 | A kind of full-automatic electric double coloured plastic injection machine |
| CN111452313A (en) * | 2019-01-18 | 2020-07-28 | 恩格尔奥地利有限公司 | Plasticizing unit and injection molding machine |
| CN111452313B (en) * | 2019-01-18 | 2021-12-10 | 恩格尔奥地利有限公司 | Plasticizing unit and injection molding machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Shipu town of Xiangshan County in Zhejiang province 315731 Ningbo city Xintang shore road lane 4, Room 201, Xing Applicant after: Ruan Qi Address before: 315174, No. 16, Tianyang village, Gaoqiao Town, Ningbo, Zhejiang, Yinzhou District Applicant before: Ruan Qi |
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| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140723 |