CN110328798A - A kind of highly foaming polyethylene sheet production foaming agent injection device - Google Patents
A kind of highly foaming polyethylene sheet production foaming agent injection device Download PDFInfo
- Publication number
- CN110328798A CN110328798A CN201910671226.7A CN201910671226A CN110328798A CN 110328798 A CN110328798 A CN 110328798A CN 201910671226 A CN201910671226 A CN 201910671226A CN 110328798 A CN110328798 A CN 110328798A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- foaming agent
- machine barrel
- polyethylene sheet
- sheet production
- 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.)
- Pending
Links
- 239000004088 foaming agent Substances 0.000 title claims abstract description 46
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 22
- 238000005187 foaming Methods 0.000 title claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 19
- -1 polyethylene Polymers 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000001802 infusion Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of highly foaming polyethylene sheet production foaming agent injection devices, including bottom plate, machine barrel is fixedly connected on the right side of the upper end of the bottom plate, the left end of the machine barrel is fixedly connected with driving motor, the right end shaft of the driving motor is fixedly connected with drive rod, screw extrusion wheel is fixedly connected on the outside of the drive rod, the first feed pipe is fixedly connected on the left of the upper end of the machine barrel, the right end of the machine barrel is provided with extrusion, foaming agent is fixedly connected with by supporting plate on the right side of the upper end of the machine barrel and stores shell, the upper end of the foaming agent storage shell is fixedly connected with electric telescopic rod.The highly foaming polyethylene sheet production foaming agent injection device, by being equipped with the structure of annulus feed chamber and Circular Plate, the foaming agent for enabling to through-hole to flow out uniformly is blended on the outside of polythene material；By the structure of sealed extruded plate and electric telescopic rod, so that the feed of material is more stable.
Description
Technical field
The present invention relates to field of mechanical technique, specially a kind of highly foaming polyethylene sheet production is injected with foaming agent to be filled
It sets.
Background technique
Highly foaming polyethylene sheet production line is a kind of big L/D ratio, single-stage extrusion foaming equipment.It is poly- with low-density
Vinyl is raw material, by injecting antishrinking agent, foaming agent in extrusion process mesohigh, after spiro rod plasticizing mixes, from die head
It squeezes out, cooling and shaping producing foamed product.The product is widely used in electric appliance, luggage, shoemaking, hardware, bicycle, automobile, family
The packaging of the daily necessities such as tool, ceramics, instrument, glassware needs in the production process of highly foaming polyethylene sheet material
Foaming agent is added to highly foaming polyethylene material, but common foaming agent injection device is not uniform enough to the addition of material, because
We have proposed a kind of highly foaming polyethylene sheet production foaming agent injection devices for this.
Summary of the invention
The purpose of the present invention is to provide a kind of highly foaming polyethylene sheet production foaming agent injection devices, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of highly foaming polyethylene sheet production foams
The upper end right side of agent injection device, including bottom plate, the bottom plate is fixedly connected with machine barrel, and the left end of the machine barrel is fixedly connected with
Driving motor, the right end shaft of the driving motor are fixedly connected with drive rod, are fixedly connected with spiral on the outside of the drive rod
The upper end left side of extruding wheel, the machine barrel is fixedly connected with the first feed pipe, and the right end of the machine barrel is provided with extrusion, the machine
Foaming agent is fixedly connected with by supporting plate on the right side of the upper end of cylinder and stores shell, the upper end of the foaming agent storage shell is fixedly connected
There is electric telescopic rod, the lower end of the electric telescopic rod is fixedly connected with sealed extruded plate, and the foaming agent stores the outer of shell
Upper lateral part is fixed to be plugged with the second feed pipe, and fixation is plugged with discharge nozzle in the middle part of the lower end of the foaming agent storage shell, described
The top of discharge nozzle is fixedly connected with high-pressure metering pump, and the annulus being plugged on the right side of machine barrel inner cavity is run through in the lower part of the discharge nozzle
The inside of feed chamber, the inner sidewall of the annulus feed chamber are uniformly provided with several through-holes, set on the inside of the annulus feed chamber
There is Circular Plate, the inside of the Circular Plate is fixedly connected on the side wall of drive rod by connecting rod.
Preferably, there are the gaps cm between the inner sidewall of the annulus feed chamber and the lateral wall of Circular Plate.
Preferably, the intracavity sidewall of the foaming agent storage shell is smooth.
Preferably, the lower part of the discharge nozzle is fixed with one way stop peturn valve.
Preferably, the left and right side of the drive rod is fixedly connected to bearing, and the outer ring of right side bearing passes through company
Bar is fixedly connected on the intracavity sidewall of machine barrel.
Compared with prior art, the beneficial effects of the present invention are: the highly foaming polyethylene sheet production is injected with foaming agent
Device, by being equipped with the structure of annulus feed chamber and Circular Plate, the rotation of drive rod drives Circular Plate rotation, the rotation of Circular Plate
The foaming agent for enabling to through-hole to flow out uniformly is blended on the outside of polythene material；By being equipped with sealed extruded plate and electronic stretching
The structure of contracting bar, when can guarantee that foaming agent stores shell blanking, internal pressure is larger, so that the feed of material is more steady
It is fixed.
Detailed description of the invention
Fig. 1 is cross-sectional view of the present invention；
Fig. 2 is enlarged drawing at M of the present invention.
In figure: 1 bottom plate, 2 machine barrels, 3 driving motors, 4 drive rods, 5 screw extrusion wheels, 6 extrusions, 7 first feed pipes, 8
Annulus feed chamber, 9 Circular Plates, 10 through-holes, 11 discharge nozzles, 12 high-pressure metering pumps, 13 foaming agents storage shell, 14 second chargings
Pipe, 15 electric telescopic rods, 16 sealed extruded plates.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of highly foaming polyethylene sheet production is infused with foaming agent
Enter device, including bottom plate 1, machine barrel 2 is fixedly connected on the right side of the upper end of the bottom plate 1, machine barrel 2 uses 38CrMoAIA material system
At inner wall via nitride is ground after handling.The left end of the machine barrel 2 is fixedly connected with driving motor 3, and driving motor 3 is
45KW motor, by external Frequency Converter Control, revolving speed 250-1250rpm is continuously adjustable.The right end shaft of the driving motor 3
It is fixedly connected with drive rod 4, the left and right side of the drive rod 4 is fixedly connected to bearing, and the outer ring of right side bearing passes through
Connecting rod is fixedly connected on the intracavity sidewall of machine barrel 2, and the outside of the drive rod 4 is fixedly connected with screw extrusion wheel 5, drive rod
4 and screw extrusion wheel 5 be all made of 38CrMoAlA material, and subsequent via nitride processing rubbing down forms, so that drive rod 4 and spiral shell
Rotation 5 wearability of extruding wheel is good, is fixedly connected with the first feed pipe 7, the upper end of the first feed pipe 7 on the left of the upper end of the machine barrel 2
Storage bin is connected, the right end of the machine barrel 2 is provided with extrusion 6, and extrusion 6 is the outlet of highly foaming polyethylene sheet material, the machine barrel 2
Upper end on the right side of by supporting plate be fixedly connected with foaming agent store shell 13, foaming agent storage shell 13 in order to store foaming agent,
The intracavity sidewall of the foaming agent storage shell 13 is smooth.The upper end of the foaming agent storage shell 13 is fixedly connected with electronic stretch
Contracting bar 15, electric telescopic rod 15 is by switch external power supply, and the purpose of electric telescopic rod 15 is in order to drive on sealed extruded plate 16
Bottom offset, so that the air and material inside foaming agent storage shell 13 are compressed, so that foaming agent storage shell 13 has foot
Enough pressure, and the material on foaming agent storage 13 side wall of shell can be struck off, so that storing shell using foaming agent every time
13 enable to internal holding clean, and the lower end of the electric telescopic rod 15 is fixedly connected with sealed extruded plate 16, the hair
The outer upper of infusion storage shell 13 is fixed to be plugged with the second feed pipe 14, and the second feed pipe 14 is in order to give foaming agent to store shell
Foaming agent is injected in the inner cavity of body 13, fixed in the middle part of the lower end of the foaming agent storage shell 13 to be plugged with discharge nozzle 11, it is described go out
The lower part of expects pipe 11 is fixed with one way stop peturn valve.The top of the discharge nozzle 11 is fixedly connected with high-pressure metering pump 12, high pressure
Metering pump 12 pumps accurate filling foaming agent, utilizes 120-180kgf/cm2Pressure by liquefied butane gas inject machine barrel 2 in, it is described go out
The inside for the annulus feed chamber 8 being plugged on the right side of 2 inner cavity of machine barrel, the inside of the annulus feed chamber 8 are run through in the lower part of expects pipe 11
There are the gap 10cm between wall and the lateral wall of Circular Plate 9, the rotation of drive rod 4 drives Circular Plate 9 to rotate, and Circular Plate 9 turns
The dynamic foaming agent for enabling to through-hole 10 to flow out uniformly is blended in polythene material surface.The inside of the annulus feed chamber 8
Wall is uniformly provided with several through-holes 10, and the inside of the annulus feed chamber 8 is equipped with Circular Plate 9, and the inside of the Circular Plate 9 passes through
Connecting rod is fixedly connected on the side wall of drive rod 4.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of highly foaming polyethylene sheet production foaming agent injection device, including bottom plate (1), it is characterised in that: the bottom
It is fixedly connected with machine barrel (2) on the right side of the upper end of plate (1), the left end of the machine barrel (2) is fixedly connected with driving motor (3), described
The right end shaft of driving motor (3) is fixedly connected drive rod (4), is fixedly connected with screw extrusion on the outside of the drive rod (4)
It takes turns (5), is fixedly connected with the first feed pipe (7) on the left of the upper end of the machine barrel (2), the right end of the machine barrel (2) is provided with extrusion
The upper end right side of mouth (6), the machine barrel (2) is fixedly connected with foaming agent storage shell (13), the foaming agent storage by supporting plate
The upper end for depositing shell (13) is fixedly connected with electric telescopic rod (15), and the lower end of the electric telescopic rod (15) is fixedly connected with close
It seals stripper plate (16), the outer upper fixation of foaming agent storage shell (13) is plugged with the second feed pipe (14), the hair
Fixation is plugged with discharge nozzle (11) in the middle part of the lower end of infusion storage shell (13), and the top of the discharge nozzle (11) is fixedly connected with
The annulus feed chamber (8) being plugged on the right side of machine barrel (2) inner cavity is run through in high-pressure metering pump (12), the lower part of the discharge nozzle (11)
The inner sidewall of inside, the annulus feed chamber (8) is uniformly provided with several through-holes (10), the inside of the annulus feed chamber (8)
Equipped with Circular Plate (9), the inside of the Circular Plate (9) is fixedly connected on the side wall of drive rod (4) by connecting rod.
2. a kind of highly foaming polyethylene sheet production foaming agent injection device according to claim 1, it is characterised in that:
There are the gaps 10cm between the inner sidewall of the annulus feed chamber (8) and the lateral wall of Circular Plate (9).
3. a kind of highly foaming polyethylene sheet production foaming agent injection device according to claim 1, it is characterised in that:
The intracavity sidewall of foaming agent storage shell (13) is smooth.
4. a kind of highly foaming polyethylene sheet production foaming agent injection device according to claim 1, it is characterised in that:
The lower part of the discharge nozzle (11) is fixed with one way stop peturn valve.
5. a kind of highly foaming polyethylene sheet production foaming agent injection device according to claim 1, it is characterised in that:
The left and right side of the drive rod (4) is fixedly connected to bearing, and the outer ring of right side bearing is fixedly connected on by connecting rod
On the intracavity sidewall of machine barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671226.7A CN110328798A (en) | 2019-07-24 | 2019-07-24 | A kind of highly foaming polyethylene sheet production foaming agent injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910671226.7A CN110328798A (en) | 2019-07-24 | 2019-07-24 | A kind of highly foaming polyethylene sheet production foaming agent injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110328798A true CN110328798A (en) | 2019-10-15 |
Family
ID=68147278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910671226.7A Pending CN110328798A (en) | 2019-07-24 | 2019-07-24 | A kind of highly foaming polyethylene sheet production foaming agent injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110328798A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH486979A (en) * | 1968-03-20 | 1970-03-15 | Usm Corp | Method and device for injection molding objects made of foam plastic |
| US20010033040A1 (en) * | 2000-03-07 | 2001-10-25 | Cardona Juan C. | Blowing agent delivery system |
| US20170043503A1 (en) * | 2014-05-11 | 2017-02-16 | Yasuhiro Suzuki | Method for manufacturing molded article and device for manufacturing molded article |
| CN207509695U (en) * | 2017-12-04 | 2018-06-19 | 江西伟普科技有限公司 | High speed feeding type single screw extrusion machine |
| CN210791766U (en) * | 2019-07-24 | 2020-06-19 | 嘉兴市佳杰包装材料有限公司 | Foaming agent injection device is used in production of high foaming polyethylene sheet |
-
2019
- 2019-07-24 CN CN201910671226.7A patent/CN110328798A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH486979A (en) * | 1968-03-20 | 1970-03-15 | Usm Corp | Method and device for injection molding objects made of foam plastic |
| US20010033040A1 (en) * | 2000-03-07 | 2001-10-25 | Cardona Juan C. | Blowing agent delivery system |
| US20170043503A1 (en) * | 2014-05-11 | 2017-02-16 | Yasuhiro Suzuki | Method for manufacturing molded article and device for manufacturing molded article |
| CN207509695U (en) * | 2017-12-04 | 2018-06-19 | 江西伟普科技有限公司 | High speed feeding type single screw extrusion machine |
| CN210791766U (en) * | 2019-07-24 | 2020-06-19 | 嘉兴市佳杰包装材料有限公司 | Foaming agent injection device is used in production of high foaming polyethylene sheet |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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