CN200998907Y - Hot pressing extrusion machine for preparing polytetrafluoroethylene bar - Google Patents
Hot pressing extrusion machine for preparing polytetrafluoroethylene bar Download PDFInfo
- Publication number
- CN200998907Y CN200998907Y CNU2007201059347U CN200720105934U CN200998907Y CN 200998907 Y CN200998907 Y CN 200998907Y CN U2007201059347 U CNU2007201059347 U CN U2007201059347U CN 200720105934 U CN200720105934 U CN 200720105934U CN 200998907 Y CN200998907 Y CN 200998907Y
- Authority
- CN
- China
- Prior art keywords
- hot pressing
- hopper
- extrusion machine
- push rod
- fuselage
- 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
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Classifications
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/872—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone characterised by differential heating or cooling
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the preparation equipment for polytetrafluoroethylene bar materials, in particular to a hot pressing extruder using the hot pressing extrusion method to prepare the polytetrafluoroethylene bar materials. The hot pressing extruder special for the polytetrafluoroethylene bar materials hot pressing extrusion comprises a frame (7), a machine body (8), a mandril (3), a hopper (6) and an extruding tube (9). The utility model is characterized in that: the machine body (8) is positioned vertically; the hopper (6) is arranged over the machine body (8); the extruding tube (9) is positioned in the machine body (8); the mandril (3) is arranged over the hopper (6) and is right against the extruding tube (9). The polytetrafluoroethylene bar materials discharges materials in the hot pressing extruder, which increases the extruding rate and the polytetrafluoroethylene power baits in the extruder smoothly, thus avoiding the hopper blockage and improves the quality of the bar materials.
Description
Technical field
The utility model relates to the preparation equipment of polytetrafluoroethylsteel steel bar, relates in particular to the hot pressing extrusion machine for preparing polytetrafluoroethylsteel steel bar with hot-pressing and extrusion moulding.
Background technology
Polytetrafluoroethylplastic plastic is a kind of engineering plastics of excellent performance, and it is good that it has self-lubricating property, and coefficient of friction is low, high-low temperature resistant, corrosion-resistant and good insulation performance performance and non-viscosity are widely used in machinery, electronics, oil, chemical industry, industries such as food, light industry.
Existing polytetrafluoroethylplastic plastic bar generally adopts hot pressing to extrude preparation.Existing bar hot pressing extrusion machine mainly is horizontal.As shown in Figure 1, extruder is made up of following several parts: hydraulic system 1, oil cylinder 2, hopper 6, fuselage 8, push rod 3 etc.This horizontal machine structure, the shortcoming of existence mainly contains following several respects: (1), yield poorly, and once can only release a bar, speed can not satisfy the customer order demand too slowly; (2), blanking is not smooth, is easy to occur stopping up the hopper phenomenon, makes the bar fracture of release; (3), the too high workman of the hopper labour intensity of feeding is big, blanking is inconvenient to be difficult for blanking; (4), machine take up room greatly many, and complex structure easily assembling not.
Summary of the invention
Prepare the technical problem that the polytetrafluoroethylplastic plastic bar exists in order to solve above-mentioned horizontal bar hot pressing extrusion machine, a purpose of the present utility model provides a kind of efficient height, blanking smoothness, the stay-in-grade vertical hot pressing extrusion machine of bar.
Special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing, comprise frame, fuselage, push rod, hopper, extruding pipe, described fuselage vertically is provided with, and hopper is arranged on body upper, extruding pipe vertically is arranged in the fuselage, and push rod is arranged on above the hopper and over against extruding pipe.
As preferably, be provided with 2 extruding pipes in the described fuselage at least, and the push rod of respective number is set.
As preferably, described extruding pipe from top to bottom is made up of forming cavity, cooling chamber, 3 joint heating chambers, cooling chamber peripheral hardware cooling water pond, and 3 joint heating chambers are provided with the heat conduction cover outward, forming cavity connection hopper, push rod is over against forming cavity.
As preferred again, the temperature setting of described 3 joint heating chambers is respectively 250～280 ℃, and 350～380 ℃, 200～250 ℃.
As preferably, push rod is arranged on the mount pad by hydraulic oil cylinder driving, and is provided with guide rail, and mount pad moves reciprocatingly on guide rail.
The utility model is by above-mentioned technical scheme, and polytetrafluoroethylsteel steel bar is vertically discharging in hot pressing extrusion machine, improves rate of extrusion, and the polytetrafluoroethylene (PTFE) powder is the blanking smoothness in extruder, has avoided obstruction hopper phenomenon, has improved the bar quality.Certainly the utility model also can be provided with a plurality of extruding pipes in hot pressing extrusion machine, realizes that many bars extrude simultaneously, further raises the efficiency.If but adopted horizontal discharging, the powder blanking is not smooth could to realize that then many bars extrude simultaneously.
In addition, because bar is vertical discharging, it is about 80～150pa that the utility model adopts the pressure of hot pressing extrusion machine extrusion bar, per hour 0.8～1.2 meter of extruded velocity, dwell time was improved the speed of discharging at 30～60 seconds, had stablized the quality of product simultaneously again.Hot pressing extrusion machine adopts 1 joint cooling, 3 joint insulations, and cooling is passed to feeder for fear of the heat of bottom and made the powder caking; 3 joint insulation first segments, second saves cascade raising temperature, helps the quality of bar; The 3rd joint reduces temperature, prevents to extrude and rises greatly.
Special hot pressing extrusion machine is extruded in the polytetrafluoroethylsteel steel bar hot pressing that the utility model adopts, and is simple in structure, can install by upper and lower floor, solved the too high workman of the hopper big technical problem of labour intensity of feeding, and blanking is convenient, is easy to blanking.
Description of drawings
Fig. 1 is the structural representation of the horizontal hot pressing extruder of prior art.
Fig. 2 is the structural representation of the vertical hot pressing extrusion machine of the utility model.
Fig. 3 is the structural representation of the utility model fuselage and hopper.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation, but do not limited by embodiment.
Special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing as shown in Figure 2, is made up of hydraulic system 1, oil cylinder 2, push rod 3, frame 7, hopper 6 and fuselage 8, and oil cylinder 2, push rod 3, hopper 6 and fuselage 8 are fixedly installed on respectively on the frame 7.Fuselage 8 vertically is provided with, and push rod 3 is arranged on hopper 6 tops, and hopper 6 is arranged on fuselage 8 tops, vertically is provided with 4 extruding pipes 9 in the fuselage 8.
As shown in Figure 2, push rod 3 is arranged on hopper 6 tops and over against extruding pipe 9.Push rod 3 is arranged on the mount pad 4 and is driven by oil cylinder 2, and oil cylinder 2 is driven by hydraulic system 1.Frame 7 is provided with guide rail 5, and mount pad 4 moves reciprocatingly on guide rail 5.
As Fig. 2, shown in Figure 3, every extruding pipe 9 from top to bottom is made up of forming cavity 12, cooling chamber 13,3 joint heating chambers 14,15,16, cooling chamber 13 peripheral hardwares cooling water pond 10,3 joint heating chambers 14,15, the 16 outer heat conduction covers 11 that are provided with, forming cavity 12 connects hopper 6, and push rod 3 is over against forming cavity 12.
When above-mentioned hot pressing extrusion machine is worked, polytetrafluoroethylene (PTFE) is vertically discharging in hot pressing extrusion machine, and the temperature setting of 3 joint heating chambers 14,15,16 is respectively 270 ℃, 370 ℃, 230 ℃, and the pressure of extrusion bar is 100pa, per hour 1 meter of extruded velocity, the dwell time was at 45 seconds.
Claims (5)
1. special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing, comprise frame (7), fuselage (8), push rod (3), hopper (6), extruding pipe (9), it is characterized in that described fuselage (8) vertically is provided with, hopper (6) is arranged on fuselage (8) top, extruding pipe (9) vertically is arranged in the fuselage (8), and push rod (3) is arranged on above the hopper (6) and over against extruding pipe (9).
2. special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing according to claim 1, it is characterized in that being provided with 2 extruding pipes (9) at least in fuselage (8), and the push rod (3) of respective number is set.
3. special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing according to claim 1, it is characterized in that extruding pipe (9) saves heating chambers by forming cavity (12), cooling chamber, 3 from top to bottom and forms, cooling chamber peripheral hardware cooling water pond (10), 3 joint heating chambers are provided with heat conduction cover (11) outward, forming cavity (12) connects hopper (6), and push rod (3) is over against forming cavity (12).
4. special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing according to claim 3, it is characterized in that the temperature setting of 3 joint heating chambers is respectively 250～280 ℃, and 350～380 ℃, 200～250 ℃.
5. special hot pressing extrusion machine is extruded in polytetrafluoroethylsteel steel bar hot pressing according to claim 1, it is characterized in that push rod (3) is arranged on mount pad (4) and goes up by oil cylinder (2) driving, and is provided with guide rail (5), and mount pad (4) moves reciprocatingly on guide rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201059347U CN200998907Y (en) | 2007-01-25 | 2007-01-25 | Hot pressing extrusion machine for preparing polytetrafluoroethylene bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201059347U CN200998907Y (en) | 2007-01-25 | 2007-01-25 | Hot pressing extrusion machine for preparing polytetrafluoroethylene bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200998907Y true CN200998907Y (en) | 2008-01-02 |
Family
ID=39013314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201059347U Expired - Fee Related CN200998907Y (en) | 2007-01-25 | 2007-01-25 | Hot pressing extrusion machine for preparing polytetrafluoroethylene bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200998907Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263837A (en) * | 2017-07-06 | 2017-10-20 | 广州畅业橡胶石油设备有限公司 | A kind of preparation method and applications of teflon rod |
-
2007
- 2007-01-25 CN CNU2007201059347U patent/CN200998907Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263837A (en) * | 2017-07-06 | 2017-10-20 | 广州畅业橡胶石油设备有限公司 | A kind of preparation method and applications of teflon rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huzhou Songhua Rubber & Plastic Co., Ltd. Assignor: Yang Genyuan Contract record no.: 2011330000217 Denomination of utility model: Hot pressing extrusion machine for preparing polytetrafluoroethylene bar Granted publication date: 20080102 License type: Exclusive License Record date: 20110408 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20110125 |