CN110360317A - Piston seal and its processing technology - Google Patents
Piston seal and its processing technology Download PDFInfo
- Publication number
- CN110360317A CN110360317A CN201910494155.8A CN201910494155A CN110360317A CN 110360317 A CN110360317 A CN 110360317A CN 201910494155 A CN201910494155 A CN 201910494155A CN 110360317 A CN110360317 A CN 110360317A
- Authority
- CN
- China
- Prior art keywords
- part pattern
- sealing strip
- fluting
- piston seal
- bottom plate
- 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.)
- Granted
Links
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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Sealing Devices (AREA)
Abstract
The present invention relates to a kind of piston seal and its processing technologys, belong to piston technical field, including seal body, the sealing strip of annular protrusion is equipped with below the seal body, the sealing strip is equipped with the fluting for disconnecting sealing strip, the fluting is vertical with sealing strip, small problem is measured by the feeding side of fluting effective solution building concrete pump truck in the market, increase its pumping side amount, reduce the concrete piston of frequently replacement concrete mixer, playing reduces cost, it improves efficiency, the problem of energy saving, four molds and three-part pattern, which are signed an undertaking, closes the harmful smoke that vulcanizer has effectively dispelled vulcanization heating process, production efficiency is improved simultaneously, it ensure that product quality.
Description
Technical field
The present invention relates to a kind of piston seal and its processing technology more particularly to a kind of concrete mixer concrete piston,
Belong to piston technical field.
Background technique
The existing concrete mixer concrete piston in market there are simple process, design defect, fit at all by the piston of traditional material
Do not answer the use environment that concrete mixer is severe, cause using when in cylinder body rapid failure, it is frequent to replace concrete piston pair
Working efficiency has a huge impact, and even more increases use cost, wastes many time.
Furthermore concrete piston can generate harmful smoke in vulcanization heating process and endanger health.
There is an urgent need to research and develop a kind of not wear-resisting problem that can effectively solve traditional concrete piston, it is living significantly to extend concrete
The novel concrete piston of the service life of plug, and the harmful smoke generated in process is solved, and reach and improve work effect
The purpose of rate.
Summary of the invention
The present invention in view of the above-mentioned deficiencies in the prior art, provides a kind of piston seal and its processing technology.
The technical scheme to solve the above technical problems is that
A kind of piston seal, including seal body, the seal body lower section are equipped with the sealing strip of annular protrusion,
The sealing strip is equipped with the fluting for disconnecting sealing strip, and the fluting is vertical with sealing strip.
Further, the sealing strip is two or more, forms oil guide groove between two adjacent sealing strips, adjacent two
Slot staggered distribution on sealing strip.
Further, the height of the sealing strip is at least 5mm, and the fluting quantity is a pair or more.
Further, the width of the fluting is 0.5-1.5mm.
Further, the width of the fluting is one millimeter.
Further, the depth of the fluting is the distance between seal body and sealing strip maximum gauge.
Further, the sealing strip is two, and the angle on every sealing strip between adjacent fluting is 90 °, and two close
Angle on strip of paper used for sealing between adjacent fluting is 45 °.
A kind of forming vulcanization die of piston seal processing as above, including the three-part pattern being movably arranged on vulcanizer
Tool, the three-part pattern tool includes three-part pattern bottom plate, three-part pattern type chamber and the three-part pattern gland being arranged that cooperate, the three-part pattern
Cylindrical type punch-pin is equipped on bottom plate and three-part pattern gland, three-part pattern gland cylindrical type convex mould diameter is greater than three-part pattern bottom plate cylinder
Type convex mould diameter, the three-part pattern type chamber are annular hollow, the three-part pattern type chamber height and three-part pattern gland cylindrical type punch-pin
Height after connecting with three-part pattern bottom plate cylindrical type punch-pin is identical, and it is recessed that sealing strip is equipped with below the three-part pattern type inner cavity surface
Ring, sealing strip concave ring are equipped with the fluting convex block for interrupting sealing strip concave ring.
Further, the quantity of the sealing strip concave ring is two or more, is formed and is led between two adjacent sealing strip concave rings
Oil groove bulge loop, the fluting convex block on two adjacent sealing strip concave rings are interspersed, the inner surface structure of the three-part pattern type chamber
It matches with the structure on piston seal.
A kind of piston seal processing technology, procedure of processing is as follows,
Rectangular rubber is put into four open model chambers by step 1；
Four die sinking bottom plate of rubber indentation and four are opened storage compartment by four die sinking glands and are formed with four open model chambers by step 2
Type it is intracavitary, four molds enter heating vulcanization in the vacuum (-tight) housing on vulcanizer, obtain annular hollow part；
It is intracavitary to be put into the type that three-part pattern bottom plate and three-part pattern type chamber are formed by step 3 for annular hollow part in step 2；
Step 4 is pressed on three-part pattern bottom plate by three-part pattern gland, and three-part pattern tool enters in the vacuum (-tight) housing on vulcanizer
Heating vulcanization；
Step 5, three-part pattern tool remove vulcanizer, successively open three-part pattern gland and three-part pattern type chamber, obtain piston seal
Part.
Compared with prior art, the beneficial effects of the present invention are: building coagulation in the market by effective solution of slotting
Small problem is measured by the feeding side of native pump truck, increases its pumping side amount, reduces the concrete piston of frequently replacement concrete mixer, plays
Reduce cost, improve efficiency, energy saving the problem of, four molds and three-part pattern, which are signed an undertaking, to be closed vulcanizer and has effectively dispelled vulcanization
The harmful smoke of heating process, while production efficiency is improved, it ensure that product quality, the piston seal manufactured solves
The problem of concrete piston is not wear-resisting and service life.
Detailed description of the invention
Fig. 1 is piston seal structural perspective of the invention.
Fig. 2 is piston seal structural schematic diagram of the invention.
Fig. 3 is three-part pattern lamps structure schematic diagram of the invention.
Fig. 4 is four mold structural schematic diagrams of the invention.
1, four mold in the figure；11, four die sinking bottom plate；12, four storage compartment is opened；13, four open model chamber；14, four die sinking
Gland；2, three-part pattern has；21, three-part pattern bottom plate；22, three-part pattern type chamber；23, three-part pattern gland；3, sealing strip concave ring；4, it slots
Convex block；5, oil guide groove bulge loop；51, oil guide groove；6, piston seal；61, sealing strip；62, it slots；63, oil guide groove；64, it seals
Part ontology.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
A kind of piston seal, including seal body 64 are equipped with the close of annular protrusion below the seal body 64
Strip of paper used for sealing 61, the sealing strip 61 are equipped with the fluting 62 for disconnecting sealing strip 61, and the fluting 62 is vertical with sealing strip 61, fluting
62 as shown in Figure 1 or 2.
In use, piston because of its severe working environment and high temperature and pressure under, concrete piston can occur in cylinder
It is deformed by pressure influence, is contacted above concrete piston with concrete, lower section is connect with connecting rod and cavity, and upper end pushes concrete
Good sealing function can be played, when back stretching, water and lubricant in cavity 62 can be effectively entered by vertically slotting
Concrete piston seal area plays good lubricating action.
The sealing strip 61 is two or more, formation oil guide groove 63 between two adjacent sealing strips 61, adjacent two
Fluting 62 on sealing strip 61 is interspersed, the design of oil guide groove 63 of the high abrasion of product and good self-lubrication and science,
Building side's amount can effectively be increased and reduce the damage to cylinder body, can achieve reduces cost and improve efficiency, reduce energy consumption, together
When also make moderate progress to environment.
The height of the sealing strip 61 is at least 5mm, and 62 quantity of the fluting are a pair or more.
It is described fluting 62 width be 0.5-1.5mm, slot 62 width lower than 0.5mm or be greater than 1.5mm when using effect
Fruit is very poor.
When the width of the fluting 62 is one millimeter, effect is best.
The depth of the fluting 62 is the distance between seal body 64 and 61 maximum gauge of sealing strip.
The sealing strip 61 is two, and the angle on every sealing strip 61 between adjacent fluting 62 is 90 °, two sealings
Angle on item 61 between adjacent fluting 62 is 45 °, according to the analysis of science, divides 90 ° on annular sealing strip 61 and opens up out
Slot 62, angle between neighbouring fluting 62 is at 45 ° to be uniformly distributed, such piston in concrete mixer cylinder in use,
Front end push concrete can play good sealing function, and when back stretching, water and lubricant in cavity can be set by uniqueness
The vertical fluting 62 of 45 ° of meter effectively enters concrete piston seal area, plays good lubricating action.
A kind of forming vulcanization die of machining piston sealing element, the three-part pattern including being movably arranged on vulcanizer have 2,
Three-part pattern bottom plate 21, three-part pattern type chamber 22 and the three-part pattern gland 23 of the three-part pattern tool 2 including the setting that cooperates, described three
Cylindrical type punch-pin is equipped on die sinking bottom plate 21 and three-part pattern gland 23,23 cylindrical type convex mould diameter of three-part pattern gland is greater than three and opens
21 cylindrical type convex mould diameter of baffle plate, the three-part pattern type chamber 22 are annular hollow, and 22 height of three-part pattern type chamber is opened with three
Height after molding 23 cylindrical type punch-pin of lid is connected with 21 cylindrical type punch-pin of three-part pattern bottom plate is identical, in the three-part pattern type chamber 22
Lower face is equipped with sealing strip concave ring 3, and sealing strip concave ring 3 is equipped with the fluting convex block 4 for interrupting sealing strip concave ring 3.
The quantity of the sealing strip concave ring 3 is two or more, forms Oil Guide geosynclinal convex between two adjacent sealing strip concave rings 3
Ring 5, the fluting convex block on two adjacent sealing strip concave rings are interspersed, the inner surface structure of the three-part pattern type chamber 22 and work
Structure in plug seal 6 matches.
In use, the full-automatic rubber that four molds 1 and three-part pattern tool 2 are separately mounted to model 200T-3RT vacuumizes
Rubber vacuum is first sulfided into annular hollow shape semi-finished product using four molds 1 by vulcanizing press, then by annular hollow half at
Product are put on three-part pattern bottom plate 21, and then three-part pattern type chamber 22 is moved downward to 21 top of three-part pattern bottom plate, then three-part pattern pressure
Lid 23 moves down to the lower surface of 23 cylindrical type punch-pin of three-part pattern gland and the upper surface of 21 cylindrical type punch-pin of three-part pattern bottom plate and kisses
When conjunction, three-part pattern tool 2, which moves to, carries out vacuum vulcanization in vacuum (-tight) housing, vulcanizes and opens annular hollow shape semi-finished product with three in heating process
Sealing strip concave ring 3, fluting convex block 4 and oil guide groove bulge loop 5 in model cavity 22 match, and piston seal 6 completes the process, and four open
Mold 1 is combined vulcanizer effectively to dispel the harmful smoke of vulcanization heating process with three-part pattern tool 2, while improving production effect
Rate ensure that product quality, and the piston seal 6 manufactured solves the problems, such as that concrete piston is not wear-resisting and service life.
A kind of piston seal processing technology, procedure of processing is as follows,
Rectangular rubber is put into four open model chambers 13 by step 1；
Four die sinking bottom plate 11 and four of rubber indentation is opened storage compartment 12 and four open models by four die sinking glands 14 by step 2
The type that chamber 13 is formed is intracavitary, and four molds 1 enter heating vulcanization in the vacuum (-tight) housing on vulcanizer, obtains annular hollow part；
Annular hollow part in step 2 is put into the type chamber that three-part pattern bottom plate 21 and three-part pattern type chamber 22 are formed by step 3
It is interior；
Step 4 is pressed on three-part pattern bottom plate 21 by three-part pattern gland 23, and three-part pattern tool 2 enters the vacuum on vulcanizer
Heating vulcanization in cover；
Step 5, three-part pattern tool 2 remove vulcanizer, successively open three-part pattern gland 23 and three-part pattern type chamber 22, lived
Plug seal 6.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of piston seal, including seal body (64), it is characterised in that: be equipped with below the seal body (64)
The sealing strip (61) of annular protrusion, the sealing strip (61) are equipped with the fluting (62) for disconnecting sealing strip (61), the fluting
(62) vertical with sealing strip (61).
2. piston seal according to claim 1, it is characterised in that: the sealing strip (61) is two or more, adjacent
Two sealing strips (61) between form oil guide groove (63), the fluting (62) on two adjacent sealing strips (61) is interspersed.
3. piston seal according to claim 1, it is characterised in that: the height of the sealing strip (61) is at least 5mm,
Fluting (62) quantity is a pair or more.
4. piston seal according to claim 1, it is characterised in that: the width of the fluting (62) is 0.5-1.5mm.
5. piston seal according to claim 4, it is characterised in that: the width of the fluting (62) is one millimeter.
6. piston seal according to claim 1, it is characterised in that: the depth of the fluting (62) is seal body
(64) the distance between with sealing strip (61) maximum gauge.
7. piston seal according to claim 1 to 6, it is characterised in that: the sealing strip (61) is two
Item, the angle on every sealing strip (61) between adjacent fluting (62) is 90 °, adjacent fluting on two sealing strips (61)
(62) angle between is 45 °.
8. a kind of forming vulcanization die of piston seal processing as described in claim 1, it is characterised in that: including activity
The three-part pattern tool (2) being mounted on vulcanizer, three-part pattern tool (2) include cooperate setting three-part pattern bottom plate (21),
Three-part pattern type chamber (22) and three-part pattern gland (23) are equipped with cylinder on the three-part pattern bottom plate (21) and three-part pattern gland (23)
Type punch-pin, three-part pattern gland (23) cylindrical type convex mould diameter are greater than three-part pattern bottom plate (21) cylindrical type convex mould diameter, and described three open
Model cavity (22) be annular hollow, the three-part pattern type chamber (22) highly with three-part pattern gland (23) cylindrical type punch-pin and three-part pattern
Height after the connection of bottom plate (21) cylindrical type punch-pin is identical, and sealing strip concave ring is equipped with below three-part pattern type chamber (22) inner surface
(3), sealing strip concave ring (3) is equipped with the fluting convex block (4) for interrupting sealing strip concave ring (3).
9. piston seal according to claim 8, it is characterised in that: the quantity of the sealing strip concave ring (3) is two
More than, oil guide groove bulge loop (5) are formed between two adjacent sealing strip concave rings (3), opening on two adjacent sealing strip concave rings
Geosynclinal convex block is interspersed, and the inner surface structure of the three-part pattern type chamber (22) matches with the structure on piston seal (6).
10. a kind of piston seal processing technology, it is characterised in that: procedure of processing is as follows,
Rectangular rubber is put into four open model chambers (13) by step 1；
Four die sinking bottom plate (11) storage compartment He Sikai (12) of rubber indentation is opened by step 2 by four die sinkings gland (14) with four
The type that type chamber (13) is formed is intracavitary, and four molds (1) enter heating vulcanization in the vacuum (-tight) housing on vulcanizer, obtains annular hollow
Part；
Step 3, by the type chamber that the annular hollow part in step 2 is put into three-part pattern bottom plate (21) and three-part pattern type chamber (22) is formed
It is interior；
Step 4, by the way that in three-part pattern gland (23) indentation three-part pattern bottom plate (21), three-part pattern tool (2) enters true on vulcanizer
Heating vulcanization in sky cover；
Step 5, three-part pattern have (2) and remove vulcanizer, successively open three-part pattern gland (23) and three-part pattern type chamber (22), obtain
Piston seal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494155.8A CN110360317B (en) | 2019-06-06 | 2019-06-06 | Piston sealing element and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494155.8A CN110360317B (en) | 2019-06-06 | 2019-06-06 | Piston sealing element and machining process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110360317A true CN110360317A (en) | 2019-10-22 |
| CN110360317B CN110360317B (en) | 2021-06-15 |
Family
ID=68216843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910494155.8A Active CN110360317B (en) | 2019-06-06 | 2019-06-06 | Piston sealing element and machining process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360317B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892789A (en) * | 2020-08-21 | 2020-11-06 | 隆仕新材料科技(昆山)有限公司 | High-temperature-resistant high-pressure-resistant steam piston valve piston sealing element and preparation method thereof |
| CN112048138A (en) * | 2020-08-21 | 2020-12-08 | 隆仕新材料科技(昆山)有限公司 | Medium-resistant pilot type electromagnetic valve diaphragm and preparation method thereof |
Citations (7)
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|---|---|---|---|---|
| CN101608616A (en) * | 2009-07-10 | 2009-12-23 | 三一重工股份有限公司 | Concrete pumping equipment and piston body thereof |
| CN202250806U (en) * | 2011-10-14 | 2012-05-30 | 三一重工股份有限公司 | Concrete piston, concrete pumping equipment and pumping mechanism thereof |
| CN202926589U (en) * | 2012-11-28 | 2013-05-08 | 中联重科股份有限公司 | Split piston sealing body, split piston, piston cylinder and concrete pumping equipment |
| CN202937446U (en) * | 2012-11-28 | 2013-05-15 | 中联重科股份有限公司 | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device |
| CN203604188U (en) * | 2013-11-13 | 2014-05-21 | 三一汽车制造有限公司 | Piston and concrete pumping equipment |
| CN103967772A (en) * | 2014-05-26 | 2014-08-06 | 三一汽车制造有限公司 | Concrete pump and concrete piston lubricating system thereof |
| CN210633942U (en) * | 2019-06-05 | 2020-05-29 | 龙口润林家电配件有限公司 | Piston sealing element forming vulcanization mould |
-
2019
- 2019-06-06 CN CN201910494155.8A patent/CN110360317B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608616A (en) * | 2009-07-10 | 2009-12-23 | 三一重工股份有限公司 | Concrete pumping equipment and piston body thereof |
| CN202250806U (en) * | 2011-10-14 | 2012-05-30 | 三一重工股份有限公司 | Concrete piston, concrete pumping equipment and pumping mechanism thereof |
| CN202926589U (en) * | 2012-11-28 | 2013-05-08 | 中联重科股份有限公司 | Split piston sealing body, split piston, piston cylinder and concrete pumping equipment |
| CN202937446U (en) * | 2012-11-28 | 2013-05-15 | 中联重科股份有限公司 | Split type piston guide ring, split type piston, piston cylinder and concrete pumping device |
| CN203604188U (en) * | 2013-11-13 | 2014-05-21 | 三一汽车制造有限公司 | Piston and concrete pumping equipment |
| CN103967772A (en) * | 2014-05-26 | 2014-08-06 | 三一汽车制造有限公司 | Concrete pump and concrete piston lubricating system thereof |
| CN210633942U (en) * | 2019-06-05 | 2020-05-29 | 龙口润林家电配件有限公司 | Piston sealing element forming vulcanization mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892789A (en) * | 2020-08-21 | 2020-11-06 | 隆仕新材料科技(昆山)有限公司 | High-temperature-resistant high-pressure-resistant steam piston valve piston sealing element and preparation method thereof |
| CN112048138A (en) * | 2020-08-21 | 2020-12-08 | 隆仕新材料科技(昆山)有限公司 | Medium-resistant pilot type electromagnetic valve diaphragm and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110360317B (en) | 2021-06-15 |
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