CN203805212U - Inflatable sealing structure for arm head of plastic rolling machine - Google Patents
Inflatable sealing structure for arm head of plastic rolling machine Download PDFInfo
- Publication number
- CN203805212U CN203805212U CN201420180989.4U CN201420180989U CN203805212U CN 203805212 U CN203805212 U CN 203805212U CN 201420180989 U CN201420180989 U CN 201420180989U CN 203805212 U CN203805212 U CN 203805212U
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- CN
- China
- Prior art keywords
- reversing shaft
- bevel gear
- shaft
- sealing
- sealing structure
- 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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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an inflatable sealing structure for an arm head of a plastic rolling machine, and relates to a safety structure which is used for performing an inflatable sealing design in an arm head of a plastic rolling machine. The inflatable sealing structure for the arm head of the plastic rolling machine mainly comprises a rotating head, a power shaft, a reversing shaft, a fixed disk and the like, wherein sealing rings and sealing pieces are respectively arranged at the two ends of an air cavity formed by the rotating head and the reversing shaft; a sealing gasket is arranged between each sealing piece and the rotating head; a sealing gasket is arranged between each sealing piece and the reversing shaft. By virtue of the design of the sealing structure, the problem about the sealing in the air cavity can be solved effectively; the waste of gas energy and the influence on the production quality of products caused by gas leakage are prevented; the damage caused by the gas leakage is also avoided; the potential safety hazards in a production process are greatly eliminated.
Description
Technical field
The utility model relates to the Inflatable sealing structure in a kind of mechanical device, specifically refers to rotational molding machine arm head Inflatable sealing structure.
Background technology
At present, in the production process of rotational moulding product, in order to make full use of the energy, improve the quality of rotational moulding product, tend to be filled with gas in rotational molding machine arm head, to be incorporated in Plastic Rolling Molds, brought thus the problem of gas-flow closure in arm head.The gas-flow closure design of rotational molding machine arm head is for the gas that is filled with arm head is perfectly introduced in Plastic Rolling Molds, if existing, gas-flow closure leaks, not only waste greatly Gas Energy Source, affected the production quality of product, and the gas the leaking operator that also can burn, and there is larger potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of rotational molding machine arm head Inflatable sealing structure reliable, production safety that seals is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of rotational molding machine arm head Inflatable sealing structure, comprise swivel head and be rotatably installed in the reversing shaft in swivel head, between this swivel head and reversing shaft, establish Packed air cavity, in the first side of rotation, be provided with the line shaft that is vertical positional relationship with reversing shaft, between this line shaft and reversing shaft, be provided with the bevel gear pair of transmission of power, reversing shaft end is provided with fixed disk, described air cavity two ends are respectively equipped with the sealing ring that sealing is installed, the outside of sealing ring is equipped with seal, and between seal and swivel head, be equipped with seal washer between seal and reversing shaft.
In described line shaft, be provided with inlet channel, swivel head is provided with the air admission hole that is communicated with respectively inlet channel and air cavity; In described reversing shaft, be provided with the outlet passageway connecting along reversing shaft axial line, reversing shaft one side is provided with the wing passage that is communicated with respectively air cavity and outlet passageway.
Described outlet passageway one end is provided with capping and seals, and the other end is opened.
Described swivel head is provided with a plurality of oil filler points, and pump nozzle is all installed in each oil filler point.
Described bevel gear pair is mounted in the bevel gear of line shaft end and is arranged on the bevel gear dish of reversing shaft end, is provided with dish bevel gear on bevel gear dish, and this dish bevel gear and bevel gear are intermeshed.
Compared with prior art, the utility model be mainly the air cavity two ends that form between swivel head and reversing shaft arrange respectively sealing ring, seal and seal and and swivel head between, between seal and reversing shaft, be equipped with seal washer, design by above-mentioned hermetically-sealed construction can effectively improve the sealing problem in air cavity, prevent Leakage Gas and cause the waste of Gas Energy Source and affect the production quality of product, also avoid appearance because of the injury that Leakage Gas causes, greatly eliminated the potential safety hazard in production process.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the A place enlarged drawing of Fig. 1.
The specific embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Figure 1 and Figure 2,1. fixed disk, 2. bearing, 3. swivel head, 4. air cavity, 5. pump nozzle, 6. oil filler point, 7. dish bevel gear, 8. bevel gear dish, 9. wing passage, 10. reversing shaft, 11. outlet passageways, 12. cappings, 13. air admission holes, 14. bevel gears, 15. line shafts, 16. inlet channels, 17. sealing rings, 18. seal washers, 19. seals.
Rotational molding machine arm head Inflatable sealing structure, as shown in Figure 1, what it related to is a kind of for carrying out the safeguard construction of gas-flow closure design in rotational molding machine arm head, is mainly to consist of structures such as swivel head 3, line shaft 15, reversing shaft 10, fixed disks 1.
Described swivel head 3 is fixtures, rotational molding machine arm head in working order lower it in motion state not; Bearing 2 rotating supports that described reversing shaft 10 passes through two ends are in this swivel head 3, therefore jointly enclose out an air cavity 4 between the bearing 2 at reversing shaft 10, swivel head 3 and two ends, the sealing ring 17 that the two ends of this air cavity are respectively equipped with as shown in Figure 2 seals.Simultaneously, outside at sealing ring, be that adjacent bearing 2 is provided with seal 19, the afterbody external diameter of the seal is large and be close to swivel head 3 inwalls and reversing shaft 10 outer walls, seal 19 heads are provided with a bulge loop that external diameter is less, between this bulge loop inner ring and reversing shaft 10 outer walls, be provided with double sealing packing ring 18, between bulge loop outer ring and swivel head 3 inwalls, be also provided with double sealing packing ring 18, formed thus the further hermetically-sealed construction at air cavity 4 two ends.Described swivel head 3 is provided with the oil filler point 6 that is communicated with bearing 2, pump nozzle 5 is installed in this oil filler point and is carried out oil injecting lubricating.
Described reversing shaft 10 two ends are stretched out swivel head 3 and are respectively equipped with hard-wired fixed disk 1 and bevel gear dish 8, and this fixed disk 1 is threaded fixing by nut, on it, Plastic Rolling Molds can be installed; This bevel gear dish 8 is fixed by welding on reversing shaft 10, is provided with the dish bevel gear 7 that screw is connected and fixed on bevel gear dish.
In described reversing shaft 10, be provided with the outlet passageway 11 connecting along reversing shaft axial line, this outlet passageway is positioned at one end of fixed disk 1 to be opened, and the one end that is positioned at bevel gear dish 7 arranges capping 12 and seals; Described reversing shaft 10 1 sides are provided with the wing passage 9 that is communicated with respectively air cavity 4 and outlet passageway 11.
Described swivel head 3 one sides are provided with the line shaft 15 that is vertical positional relationship with reversing shaft 10, this line shaft end is provided with hard-wired bevel gear 14, and the dish bevel gear 7 of bevel gear and reversing shaft 10 ends is intermeshed, therefore bevel gear 14 and dish bevel gear 7 have formed the bevel gear pair that carries out transmission of power between line shaft 15 and reversing shaft 10 jointly.
In described line shaft 15, be provided with inlet channel 16, this inlet channel is communicated with air cavity 4 and carries out gas input by being arranged on air admission hole 13 on swivel head 3.
Mechanical transmission structure of the present utility model is: line shaft 15 rotates through bevel gear pair and drives reversing shaft 10 to rotate, and then drives fixed disk 1 and the Plastic Rolling Molds being arranged on fixed disk to rotate.And gas is filled with route, be: gas enters air cavity 4 through inlet channel 16, air admission hole 13, then can enter in Plastic Rolling Molds by wing passage 9, outlet passageway 11.
Claims (5)
1. a rotational molding machine arm head Inflatable sealing structure, comprise swivel head (3) and be rotatably installed in the reversing shaft (10) in swivel head, between this swivel head (3) and reversing shaft (10), establish Packed air cavity (4), in swivel head (3) one sides, be provided with the line shaft (15) that is vertical positional relationship with reversing shaft (10), between this line shaft and reversing shaft (10), be provided with the bevel gear pair of transmission of power, reversing shaft (10) end is provided with fixed disk (1), it is characterized in that described air cavity (4) two ends are respectively equipped with the sealing ring (17) that sealing is installed, the outside of sealing ring is equipped with seal (19), and between seal and swivel head (3), between seal and reversing shaft (10), be equipped with seal washer (18).
2. rotational molding machine arm head Inflatable sealing structure according to claim 1, is characterized in that being provided with inlet channel (16) in described line shaft (15), and swivel head (3) is provided with the air admission hole (13) that is communicated with respectively inlet channel (16) and air cavity (4); In described reversing shaft (10), be provided with the outlet passageway (11) connecting along reversing shaft axial line, reversing shaft (10) one sides are provided with the wing passage (9) that is communicated with respectively air cavity (4) and outlet passageway (11).
3. rotational molding machine arm head Inflatable sealing structure according to claim 2, is characterized in that described outlet passageway (11) one end is provided with capping (12) and seals, and the other end is opened.
4. rotational molding machine arm head Inflatable sealing structure according to claim 1 and 2, is characterized in that described swivel head (3) is provided with a plurality of oil filler points (6), is all provided with pump nozzle (5) in each oil filler point.
5. rotational molding machine arm head Inflatable sealing structure according to claim 1, bevel gear pair described in it is characterized in that is mounted in the bevel gear (14) of line shaft (15) end and is arranged on the bevel gear dish (8) of reversing shaft (10) end, on bevel gear dish, be provided with dish bevel gear (7), this dish bevel gear and bevel gear (14) are intermeshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180989.4U CN203805212U (en) | 2014-04-15 | 2014-04-15 | Inflatable sealing structure for arm head of plastic rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180989.4U CN203805212U (en) | 2014-04-15 | 2014-04-15 | Inflatable sealing structure for arm head of plastic rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805212U true CN203805212U (en) | 2014-09-03 |
Family
ID=51444014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180989.4U Expired - Fee Related CN203805212U (en) | 2014-04-15 | 2014-04-15 | Inflatable sealing structure for arm head of plastic rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571463A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Water pump bearing |
| CN112171985A (en) * | 2020-08-26 | 2021-01-05 | 温岭市旭日滚塑科技有限公司 | Straight arm assembly |
-
2014
- 2014-04-15 CN CN201420180989.4U patent/CN203805212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571463A (en) * | 2017-03-13 | 2018-09-25 | 舍弗勒技术股份两合公司 | Water pump bearing |
| CN112171985A (en) * | 2020-08-26 | 2021-01-05 | 温岭市旭日滚塑科技有限公司 | Straight arm assembly |
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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: 20140903 Termination date: 20150415 |
|
| EXPY | Termination of patent right or utility model |