CN220808246U - Foaming agent injection device is used in production of high foaming polyethylene sheet - Google Patents
Foaming agent injection device is used in production of high foaming polyethylene sheet Download PDFInfo
- Publication number
- CN220808246U CN220808246U CN202321917193.8U CN202321917193U CN220808246U CN 220808246 U CN220808246 U CN 220808246U CN 202321917193 U CN202321917193 U CN 202321917193U CN 220808246 U CN220808246 U CN 220808246U
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- China
- Prior art keywords
- pipe
- foaming agent
- fixed
- foaming
- helical blade
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- 239000004088 foaming agent Substances 0.000 title claims abstract description 48
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 37
- -1 polyethylene Polymers 0.000 title claims abstract description 37
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 37
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000005187 foaming Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 13
- 241001272720 Medialuna californiensis Species 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
The utility model relates to the technical field of foaming agent injection, in particular to a foaming agent injection device for producing a high-foaming polyethylene sheet, which comprises an extrusion pipe, wherein a second spiral blade is rotatably arranged in the extrusion pipe, one end of the second spiral blade is in transmission connection with a first motor, the top end of the extrusion pipe is connected with a feeding pipe, one side of the extrusion pipe is communicated with the injection pipe, and a mixing component is fixed on one side of the second spiral blade, which is close to the injection pipe.
Description
Technical Field
The utility model relates to the technical field of foaming agent injection, in particular to a foaming agent injection device for producing a high-foaming polyethylene sheet.
Background
The production line of the high foaming polyethylene sheet is a single-stage extrusion foaming device with large length-diameter ratio. The foaming product is produced with low density polyethylene resin as material, and through injecting shrinkage resisting agent and foaming agent in high pressure during extrusion, plasticizing with screw, mixing, extruding from the die head, cooling and setting. In the production of high-foaming polyethylene sheets, it is necessary to add a foaming agent to the high-foaming polyethylene material.
The utility model of China patent publication No. CN210791766U discloses a foaming agent injection device for producing high-foaming polyethylene sheets, which comprises a base plate, wherein a machine barrel is fixedly connected to the right side of the upper end of the base plate, a transmission motor is fixedly connected to the left end of the machine barrel, a transmission rod is fixedly connected to a right-end rotating shaft of the transmission motor, a spiral extrusion wheel is fixedly connected to the outer side of the transmission rod, a first feeding pipe is fixedly connected to the left side of the upper end of the machine barrel, an extrusion opening is formed in the right end of the machine barrel, a foaming agent storage shell is fixedly connected to the right side of the upper end of the machine barrel through a support plate, and an electric telescopic rod is fixedly connected to the upper end of the foaming agent storage shell.
In the prior art, the rotation of the transmission rod drives the annular plate to rotate mainly through the structure of the annular feeding cavity and the annular plate, the foaming agent flowing out of the through hole can be uniformly mixed outside the polyethylene material by the rotation of the annular plate, and after the foam machine is completely discharged in the storage shell, a large amount of foaming agent is filled in the annular feeding cavity, so that the barrel is not conveniently led in from the annular feeding cavity, and the use requirement cannot be met.
Disclosure of utility model
The utility model aims to provide a foaming agent injection device for producing a high-foaming polyethylene sheet material, which solves the problems in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a foaming agent injection device for high foaming polyethylene sheet production, includes the extrusion pipe, the intraductal second helical blade that rotates of installing of extrusion, the one end transmission of second helical blade is connected with first motor, the top of extrusion pipe is connected with the filling tube, one side intercommunication of extrusion pipe has the injection tube, the second helical blade is close to one side of injection tube is fixed with mixing element, first helical blade is installed to the injection tube internal rotation, the one end transmission of first helical blade is connected with the second motor, the top of injection tube is connected with communicating pipe, the top of communicating pipe is fixed with the storage tube, slidable mounting has the swager assembly in the storage tube, be fixed with the connecting plate on the first helical blade, the connecting plate keep away from first helical blade's one end be fixed with the half month piece of communicating pipe laminating bottom.
Preferably, the mixing assembly comprises a plurality of spiral blades fixed on the second spiral blade, and a stirring piece is fixed on the edge of one end of the spiral blade, which is close to the feeding pipe.
Preferably, the stirring piece comprises an inclined rod fixedly connected with the spiral blade, and stirring rods distributed at equal intervals are fixed on the inclined rod.
Preferably, the edge of the spiral blade is provided with blade edge openings which are distributed at equal intervals.
Preferably, the material pressing assembly comprises a support frame fixed at the top end of the material storage pipe, a guide rod is inserted on the support frame in a sliding mode, and a pressing plate attached to the inner wall of the material storage pipe is fixed at the bottom end of the guide rod.
Preferably, a guide block is fixed at a position close to the discharge end in the extrusion pipe, and a conical hole is formed in one side, close to the second spiral blade, of the guide block.
The utility model provides a foaming agent injection device for producing a high-foaming polyethylene sheet material through improvement, which has the following improvement and advantages compared with the prior art:
The method comprises the following steps: according to the utility model, polyethylene materials can be injected into the extrusion pipe through the feeding pipe, the second motor can drive the first helical blade and the half-moon piece on the connecting plate to rotate, when the half-moon piece is separated from the communicating pipe in the rotation process, the material pressing component descends downwards along the material storage pipe to extrude foaming agent into the injection pipe from the material storage pipe, the first helical blade can push the foaming agent into the extrusion pipe in the rotation process, the intermittent uniform feeding work of the foaming agent is realized, the mixing component and the second helical blade can drive the first motor to rotate, the mixing component uniformly mixes the polyethylene materials injected into the extrusion pipe and the foaming agent in the rotation process, and the second helical blade guides the polyethylene materials mixed with the foaming agent out in the rotation process, so that the foaming agent is convenient and rapid.
And two,: according to the utility model, the spiral blades and the blade edge openings can push and extrude the polyethylene material led into the extrusion pipe under the drive of the first motor, the polyethylene material can be promoted to melt by matching with the heating action of the extrusion pipe, and the polyethylene material can be fully mixed with the foaming agent by matching with the stirring rod on the inclined rod in the rotation process.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional perspective view of the present utility model;
FIG. 3 is a schematic perspective view of a mixing assembly according to the present utility model;
Fig. 4 is a schematic cross-sectional view of a filling pipe according to the present utility model.
Reference numerals illustrate:
1. Extruding a pipe; 2. a feeding tube; 3. a first motor; 4. a material injection pipe; 5. a storage tube; 6. a second motor; 7. a pressing assembly; 71. a support frame; 72. a guide rod; 73. a pressure plate; 8. a first helical blade; 9. a mixing assembly; 91. spiral leaves; 92. leaf edge openings; 93. a diagonal rod; 94. a stirring rod; 10. a second helical blade; 11. a communicating pipe; 12. a connecting plate; 13. a half moon tablet.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a foaming agent injection device for producing a high-foaming polyethylene sheet material by improving the foaming agent injection device, which has the following technical scheme:
As shown in fig. 1-4, a foaming agent injection device for producing high-foaming polyethylene sheets comprises an extrusion pipe 1, wherein a second helical blade 10 is rotatably installed in the extrusion pipe 1, one end of the second helical blade 10 is in transmission connection with a first motor 3, the top end of the extrusion pipe 1 is connected with a feeding pipe 2, one side of the extrusion pipe 1 is communicated with a feeding pipe 4, one side of the second helical blade 10, which is close to the feeding pipe 4, is fixedly provided with a mixing assembly 9, a first helical blade 8 is rotatably installed in the feeding pipe 4, one end of the first helical blade 8 is in transmission connection with a second motor 6, the top end of the feeding pipe 4 is connected with a communicating pipe 11, the top end of the communicating pipe 11 is fixedly provided with a material storage pipe 5, a material pressing assembly 7 is slidably installed in the material storage pipe 5, one end, which is far away from the first helical blade 8, of the connecting plate 12 is fixedly provided with a half moon piece 13 which is attached to the bottom end of the communicating pipe 11.
By means of the structure, polyethylene materials can be injected into the extrusion pipe 1 through the feeding pipe 2, the second motor 6 can drive the first helical blade 8 and the half-moon piece 13 on the connecting plate 12 to rotate, when the half-moon piece 13 breaks away from the communicating pipe 11 in the rotating process, the pressing component 7 drops downwards along the storage pipe 5 to extrude foaming agent into the injection pipe 4 from the storage pipe 5, the first helical blade 8 can push the foaming agent into the extrusion pipe 1 in the rotating process, the intermittent uniform feeding work purpose of the foaming agent is achieved, the mixing component 9 and the second helical blade 10 can drive to rotate at the first motor 3, the mixing component 9 evenly mixes the polyethylene materials injected into the extrusion pipe 1 and the foaming agent in the rotating process, and the second helical blade 10 guides the polyethylene materials mixed with the foaming agent out in the rotating process, so that the foaming agent is convenient and rapid.
Further, the mixing assembly 9 includes a plurality of spiral blades 91 fixed on the second spiral blade 10, a stirring piece is fixed at the edge of one end of the spiral blade 91, which is close to the injection pipe 4, the stirring piece includes an inclined rod 93 fixedly connected with the spiral blade 91, stirring rods 94 distributed equidistantly are fixed on the inclined rod 93, and blade edge openings 92 distributed equidistantly are formed at the edge of the spiral blade 91.
By means of the structure, the spiral blade 91 and the blade edge opening 92 can push and extrude polyethylene materials led into the extrusion pipe 1 under the driving of the first motor 3, the polyethylene materials can be promoted to melt under the heating action of the extrusion pipe 1, and the stirring rod 94 on the inclined rod 93 can be fully used for mixing the polyethylene materials with the foaming agent in the rotating process.
Further, the pressing assembly 7 comprises a supporting frame 71 fixed at the top end of the storage tube 5, a guide rod 72 is slidably inserted into the supporting frame 71, and a pressing plate 73 attached to the inner wall of the storage tube 5 is fixed at the bottom end of the guide rod 72.
With the above structure, the foaming agent can slide downwards under the guiding action of the guide rod 72 and the supporting frame 71 through the pressure plate 73, and the foaming agent is led into the material injection pipe 4 after the plugging action on the bottom end of the communicating pipe 11 is released by the half-moon piece 13, so that the purpose of uniform material injection of the foaming agent is realized.
Further, a guide block is fixed in the extrusion pipe 1 near the discharge end, and a conical hole is formed in one side of the guide block near the second helical blade 10.
By means of the structure, the polyethylene material mixed with the foaming agent can be guided through the conical hole in the guide block.
Working principle: can pour into polyethylene material into extrusion tube 1 through filling tube 2, second motor 6 can drive first helical blade 8 and the half moon piece 13 rotation on connecting plate 12, half moon piece 13 break away from communicating pipe 11 in the rotation process, pressure disk 73 can slide down under the guide action of guide bar 72 and support frame 71, lead into filling tube 4 with the foaming agent after half moon piece 13 releases the shutoff effect to communicating pipe 11 bottom, first helical blade 8 can push the foaming agent into extrusion tube 1 in the rotation process, realize the intermittent type nature even feeding work purpose of foaming agent, mixing assembly 9 and second helical blade 10 can drive the rotation at first motor 3, helical blade 91 and leaf margin 92 can promote the extrusion work to the polyethylene material of leading into in extrusion tube 1 under the drive of first motor 3, the heating effect of cooperation extrusion tube 1 can promote its melting, stirring rod 94 on cooperation diagonal rod 93 can fully mix polyethylene material and foaming agent in the rotation process, second helical blade 10 exports the polyethylene material of foaming agent in the rotation process.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a foaming agent injection device is used in production of high foaming polyethylene sheet, includes extrusion pipe (1), second helical blade (10) are installed in extrusion pipe (1) internal rotation, the one end transmission of second helical blade (10) is connected with first motor (3), the top of extrusion pipe (1) is connected with filling tube (2), its characterized in that: one side intercommunication of extruding tube (1) has injection tube (4), second helical blade (10) are close to one side of injection tube (4) is fixed with mixing assembly (9), first helical blade (8) are installed in injection tube (4) internal rotation, the one end transmission of first helical blade (8) is connected with second motor (6), the top of injection tube (4) is connected with communicating pipe (11), the top of communicating pipe (11) is fixed with storage tube (5), slidable mounting has swager subassembly (7) in storage tube (5), be fixed with connecting plate (12) on first helical blade (8), connecting plate (12) keep away from the one end of first helical blade (8) be fixed with half moon piece (13) of communicating pipe (11) bottom laminating.
2. The foaming agent injection device for producing high-foaming polyethylene sheets according to claim 1, wherein: the mixing assembly (9) comprises a plurality of spiral blades (91) fixed on the second spiral blade (10), and a stirring piece is fixed at the edge of one end of the spiral blade (91) close to the feeding pipe (4).
3. The foaming agent injection device for producing high-foaming polyethylene sheets according to claim 2, wherein: the stirring piece comprises an inclined rod (93) fixedly connected with the spiral blade (91), and stirring rods (94) distributed at equal distances are fixed on the inclined rod (93).
4. The foaming agent injection device for producing high-foaming polyethylene sheets according to claim 2, wherein: the edge of the spiral blade (91) is provided with blade edge openings (92) which are distributed equidistantly.
5. The foaming agent injection device for producing high-foaming polyethylene sheets according to claim 1, wherein: the material pressing assembly (7) comprises a supporting frame (71) fixed at the top end of the Chu Liaoguan, a guide rod (72) is inserted on the supporting frame (71) in a sliding mode, and a pressure plate (73) attached to the inner wall of the material storage pipe (5) is fixed at the bottom end of the guide rod (72).
6. The foaming agent injection device for producing high-foaming polyethylene sheets according to claim 1, wherein: a guide block is fixed at the position, close to the discharge end, in the extrusion pipe (1), and a conical hole is formed in one side, close to the second spiral blade (10), of the guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917193.8U CN220808246U (en) | 2023-07-20 | 2023-07-20 | Foaming agent injection device is used in production of high foaming polyethylene sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917193.8U CN220808246U (en) | 2023-07-20 | 2023-07-20 | Foaming agent injection device is used in production of high foaming polyethylene sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220808246U true CN220808246U (en) | 2024-04-19 |
Family
ID=90674205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321917193.8U Active CN220808246U (en) | 2023-07-20 | 2023-07-20 | Foaming agent injection device is used in production of high foaming polyethylene sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220808246U (en) |
-
2023
- 2023-07-20 CN CN202321917193.8U patent/CN220808246U/en active Active
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