JPH07303B2 - Tire vulcanizer - Google Patents
Tire vulcanizerInfo
- Publication number
- JPH07303B2 JPH07303B2 JP61033977A JP3397786A JPH07303B2 JP H07303 B2 JPH07303 B2 JP H07303B2 JP 61033977 A JP61033977 A JP 61033977A JP 3397786 A JP3397786 A JP 3397786A JP H07303 B2 JPH07303 B2 JP H07303B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid pressure
- center post
- bladder
- cylinder
- drain
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 6
- 238000004073 vulcanization Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
- B29D2030/0675—Controlling the vulcanization processes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、ドーム型タイヤ加硫機、特にタイヤ加硫機の
ドレン排出機構に関する。Description: TECHNICAL FIELD The present invention relates to a dome type tire vulcanizer, and more particularly to a drain discharge mechanism of the tire vulcanizer.
ブラダの上端部を把持ガイドするセンターポスト内に設
けたドレン通路を介して、タイヤ加硫中に発生しタイヤ
上面中央部にたまるドレン（通称トツプドレン）を機外
に排出させる。上記センタポストの下端はセンタポスト
昇降内流体圧シリンダに連結した構成となつている。Drain (commonly called top drain) generated during tire vulcanization and accumulated in the center of the upper surface of the tire is discharged to the outside of the machine through a drain passage provided in a center post that grips and guides the upper end of the bladder. The lower end of the center post is connected to a fluid pressure cylinder for raising and lowering the center post.
ドレン排出部を上部ロツドに設けたものは、生タイヤ高
さが大きい場合は、センタポスト及同昇降シリンダが長
くなり、タイヤ加硫機の据付ピツトを深くする必要があ
る。In the case where the drain discharge part is provided in the upper rod, when the height of the raw tire is large, the center post and the lifting cylinder become long, and it is necessary to deepen the installation pit of the tire vulcanizer.
ブラダ上端部を把持案内するセンタポストと、該センタ
ポスト昇降用流体圧シリンダとを有するタイヤ加硫機に
おいて、前記センタポスト内に前記流体圧シリンダの一
方の流体圧室に貫通する貫通穴を設けると共に、前記流
体圧室に導入される流体圧ラインに前記貫通穴を介して
ドレンを排出するドレンポートを有する三方切換弁を設
けたことを特徴とする。In a tire vulcanizer having a center post for gripping and guiding the upper end of a bladder and a fluid pressure cylinder for raising and lowering the center post, a through hole penetrating one fluid pressure chamber of the fluid pressure cylinder is provided in the center post. At the same time, a three-way switching valve having a drain port for discharging the drain through the through hole is provided in the fluid pressure line introduced into the fluid pressure chamber.
トツプドレンはセンタポスト内の貫通穴を通してシリン
ダ内に排出される。シリンダ内に溜つたドレンは三方切
換弁の操作により機外に排出される。Top drain is discharged into the cylinder through a through hole in the center post. The drain accumulated in the cylinder is discharged to the outside of the machine by operating the three-way switching valve.
また三方切換弁の操作によりシリンダが伸長または短縮
する。The cylinder is extended or shortened by operating the three-way switching valve.
第１図はタイヤ加硫中の状態を示し、同図において、１
はベース、２は断熱板、３は下ドーム、４はビーム、５
はボルスタ、６は上ドーム、７は下金型、８は上金型、
９はタイヤ、10はブラダ、11はブラダ収納筒、12は流体
圧シリンダ、13はチエツク弁、14はばね、15はブラダ押
え、16はボルト、17はパツキング、18はパツキング押
え、19は三方切換弁、20はシリンダ12のロツドからなる
センタポスト、21はセンタポスト20の貫通穴である。FIG. 1 shows a state during tire vulcanization. In FIG.
Is a base, 2 is a heat insulating plate, 3 is a lower dome, 4 is a beam, 5
Is a bolster, 6 is an upper dome, 7 is a lower mold, 8 is an upper mold,
9 is a tire, 10 is a bladder, 11 is a bladder housing cylinder, 12 is a fluid pressure cylinder, 13 is a check valve, 14 is a spring, 15 is a bladder retainer, 16 is a bolt, 17 is a packing, 18 is a packing retainer, 19 is a three-way A switching valve, 20 is a center post composed of a rod of the cylinder 12, and 21 is a through hole of the center post 20.
ベース１の上に断熱板２、下ドーム３の図示せざるボル
トで固定し、ビーム４にボルスタ５及び上ドーム６を図
示せざるボルト等を用いて固定してある。下金型７及び
上金型８は下ドーム３及びボルスタ５に夫々ボルトで固
定し、ビーム４とベース１は図示せざる加圧機構を用い
てプレス力を受ける。９は加硫中のタイヤを示す。ブラ
ダ10の下端は、下ドーム３に設けた溝に挿入されブラダ
収納筒11の上部爪に依りクランプされて居る（クランプ
機構は図示して居ない）。流体圧シリンダ12のセンタポ
スト20は中心に貫通穴21を設けてあり上端12aの内部に
はチエツク弁13、ばね14、を設けてある。ブラダ10の上
側は、センタポスト上端12aとブラダ押え15及びボルト1
6で固定されている。17はパツキング、18はパツキング
押えである。19は三方切換弁で流体圧シリンダの下方ポ
ートに接続してある。The heat insulating plate 2 and the lower dome 3 are fixed on the base 1 by unillustrated bolts, and the bolster 5 and the upper dome 6 are fixed on the beam 4 by unillustrated bolts and the like. The lower mold 7 and the upper mold 8 are fixed to the lower dome 3 and the bolster 5 with bolts, respectively, and the beam 4 and the base 1 receive a pressing force using a pressure mechanism (not shown). 9 shows the tire under vulcanization. The lower end of the bladder 10 is inserted into a groove provided in the lower dome 3 and clamped by the upper claw of the bladder housing cylinder 11 (a clamp mechanism is not shown). The center post 20 of the fluid pressure cylinder 12 is provided with a through hole 21 at the center, and a check valve 13 and a spring 14 are provided inside the upper end 12a. The upper side of the bladder 10 has the center post upper end 12a, the bladder retainer 15 and the bolt 1
Fixed at 6. 17 is a packing and 18 is a packing presser foot. A three-way switching valve 19 is connected to the lower port of the fluid pressure cylinder.
第１図に於いて上下ドーム３、６内にスチームを通気加
熱し、ブラダ収納筒11下端のイ穴より熱媒体を導入しブ
ラダ10内を加熱加圧する。上金型８上面のロ室に生じた
ドレンはそのスチーム圧によりばね14を圧縮し、チエツ
ク弁13を下動して下方へ流れ、三方切換弁19のドレンポ
ートより排出される。又ブラダ10の取換え作業等で流体
圧シリンダ12を上下動させる必要がある場合は、三方切
換弁19を切換え、三方切換弁19のニ穴又は流体シリンダ
12上方のハ穴へ流体圧を導入排出することにより容易に
作動出来る。In FIG. 1, steam is ventilated and heated in the upper and lower domes 3 and 6, and a heating medium is introduced from the hole at the lower end of the bladder housing cylinder 11 to heat and pressurize the inside of the bladder 10. The drain generated in the upper chamber of the upper die 8 compresses the spring 14 due to the steam pressure thereof, moves downwardly by the check valve 13, flows downward, and is discharged from the drain port of the three-way switching valve 19. Also, when it is necessary to move the fluid pressure cylinder 12 up and down for replacement work of the bladder 10, etc., the three-way switching valve 19 is switched and the three-way switching valve 19 has a double hole or a fluid cylinder.
12 It can be operated easily by introducing and discharging fluid pressure into the upper hole.
又、流体圧シリンダ12のセンタポストの中心に設けた貫
通穴の上端開口をロツド上端12aの側部に設け、ブラダ
内に導入される熱媒体として蒸気及び不活性ガスを使用
する通称ガス加硫の場合のガス抜き穴として使用するこ
とも出来る。Also, the upper end opening of a through hole provided at the center of the center post of the fluid pressure cylinder 12 is provided on the side of the rod upper end 12a, and so-called gas vulcanization using steam and inert gas as the heat medium introduced into the bladder. It can also be used as a vent hole in the case of.
流体圧シリンダ内をドレン通路の一部として使用するこ
とにより、コンパクトで経済的なタイヤ加硫機を実現す
る事が出来る。By using the inside of the fluid pressure cylinder as a part of the drain passage, a compact and economical tire vulcanizer can be realized.
第１図は本発明タイヤ加硫機の概略断面図である。 １……ベース、２……断熱板 ３……下ドーム、４……ビーム ５……ボルスタ、６……上ドーム ７……下金型、８……上金型 ９……タイヤ、10……ブラダ 11……ブラダ収納筒、12……流体圧シリンダ 13……チエツク弁、14……ばね 15……ブラダ押え、16……ボルト 17……パツキング、18……パツキング押え 19……三方切換弁、20……センタポスト 21……貫通穴、イ，ハ……穴 ロ……室 FIG. 1 is a schematic sectional view of a tire vulcanizer of the present invention. 1 ... Base, 2 ... Heat insulating plate 3 ... Lower dome, 4 ... Beam 5 ... Bolster, 6 ... Upper dome 7 ... Lower mold, 8 ... Upper mold 9 ... Tire, 10 ... … Bladder 11 …… Bladder storage cylinder, 12 …… Fluid pressure cylinder 13 …… Check valve, 14 …… Spring 15 …… Bladder retainer, 16 …… Bolt 17 …… Packing, 18 …… Packing retainer 19 …… Three-way switching Valve, 20 ... Center post 21 ... Through hole, A, C ... hole B..Room
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｌ 30:00 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display location B29L 30:00
Claims (1)
と、該センタポスト昇降用流体圧シリンダとを有するタ
イヤ加硫機において、前記センタポスト内に前記流体圧
シリンダの一方の流体圧室に貫通する貫通穴を設けると
共に、前記流体圧室に導入される流体圧ラインに前記貫
通穴を介してドレンを排出するドレンポートを有する三
方切換弁を設けたことを特徴とするタイヤ加硫機。1. A tire vulcanizer having a center post for gripping and guiding the upper end of a bladder and a fluid pressure cylinder for raising and lowering the center post, wherein one fluid pressure chamber of the fluid pressure cylinder penetrates into the center post. And a three-way switching valve having a drain port for discharging the drain through the through hole in the fluid pressure line introduced into the fluid pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61033977A JPH07303B2 (en) | 1986-02-20 | 1986-02-20 | Tire vulcanizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61033977A JPH07303B2 (en) | 1986-02-20 | 1986-02-20 | Tire vulcanizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62193809A JPS62193809A (en) | 1987-08-26 |
| JPH07303B2 true JPH07303B2 (en) | 1995-01-11 |
Family
ID=12401546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61033977A Expired - Fee Related JPH07303B2 (en) | 1986-02-20 | 1986-02-20 | Tire vulcanizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07303B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5656303A (en) * | 1995-01-31 | 1997-08-12 | Fuji Shoji Kabushiki Kaisha | Tire vulcanizing apparatus |
-
1986
- 1986-02-20 JP JP61033977A patent/JPH07303B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62193809A (en) | 1987-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |