JPS608977Y2 - extrusion molding machine - Google Patents
extrusion molding machineInfo
- Publication number
- JPS608977Y2 JPS608977Y2 JP1979081995U JP8199579U JPS608977Y2 JP S608977 Y2 JPS608977 Y2 JP S608977Y2 JP 1979081995 U JP1979081995 U JP 1979081995U JP 8199579 U JP8199579 U JP 8199579U JP S608977 Y2 JPS608977 Y2 JP S608977Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- bearing
- screw
- drive shaft
- heating cylinder
- 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
Links
- 238000001125 extrusion Methods 0.000 title description 8
- 238000010438 heat treatment Methods 0.000 claims description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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
- 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
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2522—Shaft or screw supports, e.g. bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
本考案は、スクリューを、水平をなす加熱シリンダの前
端における軸受台に対する取付位置で分断し、このスク
リューの前端より突設した螺軸を、前部軸受台に枢支し
た中空の伝動軸内に、キー結合して支持された駆動軸の
後端における螺孔へ螺入して結合した押出成形機に関す
るものである。[Detailed description of the invention] The present invention splits the screw at the mounting position to the bearing pedestal at the front end of the horizontal heating cylinder, and pivots the screw shaft protruding from the front end of the screw to the front bearing pedestal. The present invention relates to an extrusion molding machine in which the drive shaft is supported in a hollow transmission shaft by being screwed into a screw hole at the rear end of the drive shaft.
これにより、スクリューの製作は容易となるとともに、
スクリューの本体部のみに高級な材料を使用し、駆動軸
は通常の材料で済ませうるので、製作費を低減させるこ
とができる。This makes it easy to manufacture the screw, and
Since only the main body of the screw is made of high-quality material and the drive shaft can be made of ordinary material, manufacturing costs can be reduced.
また、加熱シリンダの前端を、前部軸受台から取外して
、スクリューの前端を、駆動軸より外すことにより、ス
クリューを、加熱シリンダと後部軸受台から簡単に抜き
取って交換することができる。Further, by removing the front end of the heating cylinder from the front bearing pedestal and removing the front end of the screw from the drive shaft, the screw can be easily removed from the heating cylinder and the rear bearing pedestal and replaced.
さらに、前部軸受台から、加熱シリンダとスクリューを
取り外すとともに、後部軸受台を取り外し、新たに押出
容量の異なるこれらの部材を取り付けることとにより、
数種の押出容量の異なる押出成型機として使用すること
ができる。Furthermore, by removing the heating cylinder and screw from the front bearing pedestal, removing the rear bearing pedestal, and newly installing these members with different extrusion capacities,
It can be used as an extruder with several different extrusion capacities.
以下、実施例図に基いて説明する。Hereinafter, explanation will be given based on embodiment figures.
前端にプーリー２を有する水平の中空の伝動軸３を、ラ
ジアル軸受４とスラスト軸受５を介して、前部軸受台１
に支持しである。A horizontal hollow transmission shaft 3 having a pulley 2 at the front end is connected to a front bearing stand 1 through a radial bearing 4 and a thrust bearing 5.
I support it.
伝動軸３の中心における軸受孔６は、大径孔６ａと小径
孔６ｂを、段部６ｃを介して、前後に連設したものであ
る。The bearing hole 6 at the center of the transmission shaft 3 has a large-diameter hole 6a and a small-diameter hole 6b connected back and forth through a stepped portion 6c.
この軸受孔６の小径孔６ｂに、後端中心部に軸線方向の
螺孔７を有する駆動軸８を嵌合し、両者を、キー９を介
して、回転することはできないが、軸線方向に摺動しう
るようにして、結合してある。A drive shaft 8 having an axial screw hole 7 at the center of the rear end is fitted into the small diameter hole 6b of the bearing hole 6, and both are connected via a key 9 in the axial direction although they cannot be rotated. They are connected so that they can slide.
駆動軸８の前端には、拡径頭部８ａが連設され、この拡
径頭部８ａは、前記大径孔６ａ内を摺動しうるとともに
、段部６Ｃに係合しうるようになっている。An enlarged-diameter head 8a is connected to the front end of the drive shaft 8, and the enlarged-diameter head 8a can slide within the large-diameter hole 6a and engage with the stepped portion 6C. ing.
前部軸受台１の後端には、前側部に吐出口１０を有する
水平の加熱シリンダ１１の前端における外向フランジ１
２が、その軸線を前記駆動軸８の軸線と一致させて、ボ
ルト１３をもって固定する。At the rear end of the front bearing stand 1 there is an outward flange 1 at the front end of a horizontal heating cylinder 11 having a discharge port 10 on the front side.
2 aligns its axis with the axis of the drive shaft 8 and fixes it with a bolt 13.
加熱シリンダ１１には、それよりも長いスクリュー１４
を貫通し、スクリュー１４の前端中心部より前向突設し
た螺軸１５を、駆動軸８の後端にお＆Ｊる螺孔７に螺入
している。The heating cylinder 11 has a screw 14 that is longer than the heating cylinder 11.
A screw shaft 15 passing through the drive shaft 14 and projecting forward from the center of the front end of the screw 14 is screwed into a screw hole 7 located at the rear end of the drive shaft 8.
スクリュー１４の後端軸部１６は、後部軸受台２０にお
ける水平の軸受孔１９に嵌挿され、軸受２２をもって支
持されている。The rear end shaft portion 16 of the screw 14 is fitted into a horizontal bearing hole 19 in a rear bearing stand 20 and supported by a bearing 22 .
後部軸受台２０の前部上側にはホッパー１７が設けられ
、ポツパー１７の下端は、樹脂供給孔１８を介して、軸
受孔１９の前部と連通している。A hopper 17 is provided above the front part of the rear bearing stand 20 , and the lower end of the hopper 17 communicates with the front part of the bearing hole 19 via the resin supply hole 18 .
スクリュー１４における螺旋溝２１の後端部は、樹脂供
給孔１８の直下に位置している。The rear end of the spiral groove 21 in the screw 14 is located directly below the resin supply hole 18 .
加熱シリンダ１１の後端における外向フランジ２３は、
後部軸受台２０の前面に、ボルト２４をもって固定され
ている。The outward flange 23 at the rear end of the heating cylinder 11 is
It is fixed to the front surface of the rear bearing stand 20 with bolts 24.
２５．２６は、それぞれ、スクリュー１４の前端と、後
端軸部１６の前端に切設された、やや小ピツチの逆ねじ
である。Reference numerals 25 and 26 are reverse threads with a slightly small pitch cut into the front end of the screw 14 and the front end of the rear end shaft portion 16, respectively.
加熱シリンダ１１を加熱するとともに、ポツパー１７に
原料樹脂を投入し、伝動軸３の前端のプーリー２に巻架
したベルトをもって伝動軸３を正転させると、スクリュ
ー１４も正転腰ポツパー１７内の原料樹脂は、スクリュ
ー１４の螺旋溝２１の後端直上に開口する樹脂供給孔１
８を介して、加熱シリンダ１１内へ供給される。When the heating cylinder 11 is heated, raw resin is put into the popper 17, and the transmission shaft 3 is rotated in the normal direction using the belt wound around the pulley 2 at the front end of the transmission shaft 3, the screw 14 also rotates in the normal rotation waist popper 17. The raw resin is supplied through a resin supply hole 1 that opens directly above the rear end of the spiral groove 21 of the screw 14.
8 into the heating cylinder 11.
この樹脂は、スクリュー１４により、加熱シリンダ１１
内を前方へ移送されるが、この間に樹脂は、十分に溶融
混練されて、加熱シリンダ１１の前側部の吐出口１０よ
り吐出され、その先方に設けられたダイにより、所望の
製品に成形される。This resin is transferred to the heating cylinder 11 by the screw 14.
During this time, the resin is sufficiently melted and kneaded and discharged from the discharge port 10 on the front side of the heating cylinder 11, and is molded into a desired product by a die provided at the front of the heating cylinder 11. Ru.
この際、スクリュー１４に作用する推力は、駆動軸８の
拡径頭部８ａが、軸受孔６の段部６ａに当接することに
より、受止めされる。At this time, the thrust force acting on the screw 14 is received by the enlarged diameter head 8a of the drive shaft 8 coming into contact with the stepped portion 6a of the bearing hole 6.
しかして、スクリュー１４は、その前端より突設された
螺軸１５を、前部軸受台１に支持された伝動軸３に嵌合
された駆動軸８の後端における螺孔７に螺入することに
より、分割されているから、比較的短くすることができ
、かつ、伝動軸３との結合のための構成も簡単であるか
ら、容易かつ安価に製造することができる。Thus, the screw 14 has a threaded shaft 15 protruding from its front end inserted into the threaded hole 7 at the rear end of the drive shaft 8 fitted to the transmission shaft 3 supported by the front bearing stand 1. Since it is divided, it can be made relatively short, and the configuration for coupling with the transmission shaft 3 is simple, so it can be manufactured easily and at low cost.
また、スクリュー１４を補修点検するときや交換したい
ときには、加熱シリンダ１１の前端の外向フランジ１２
を、前部軸受台１より外し、しかる後、加熱シリンダ１
１を後部軸受台２０と共にやや後退させて、スクリュー
１４の前端部を露出させてから、スクリュー１４の前端
の螺軸１５を、駆動軸８の後端の螺孔７から螺脱し、ス
クリュー１４と加熱シリンダ１１と後部軸受台２０のの
軸受孔１９から抜取ればよい。In addition, when repairing, inspecting or replacing the screw 14, the outward flange 12 at the front end of the heating cylinder 11
from the front bearing stand 1, and then remove the heating cylinder 1.
1 with the rear bearing stand 20 to expose the front end of the screw 14, and then unscrew the screw shaft 15 at the front end of the screw 14 from the screw hole 7 at the rear end of the drive shaft 8, and remove the screw 14 from the screw 14. It is sufficient to remove it from the bearing hole 19 of the heating cylinder 11 and rear bearing stand 20.
この際、拡径頭部８ａが軸受孔６の段部６ｃと係合する
ことにより、駆動軸８が前部軸受台１より抜は出ること
はない。At this time, the enlarged diameter head 8a engages with the stepped portion 6c of the bearing hole 6, so that the drive shaft 8 does not come out from the front bearing stand 1.
上述のようにして、加熱シリンダ１１とスクリュー１４
とを、前部軸受台１と駆動軸８から取外して、新たに押
出容量の異なる加熱シリンダ１１とスクリュー１４、並
びに後部軸受台２０とに付は換えれば、数種の押出容量
の異なる押出成形機として使用することができて便利で
ある。As described above, the heating cylinder 11 and the screw 14
If these are removed from the front bearing pedestal 1 and drive shaft 8 and replaced with new heating cylinders 11 and screws 14 with different extrusion capacities, and rear bearing pedestal 20, extrusion molding with several different extrusion capacities can be performed. It is convenient because it can be used as a machine.
さらに本考案においては、負荷の大きいスクリュー１４
と駆動軸８とを別体としであるから、加工材料に応じて
、スクリュー１４のみを高級な材料をもって製作し、駆
動軸８は通常の材料のままでよいから、経費を節約する
ことができ、好都合である。Furthermore, in the present invention, the screw 14, which has a large load,
Since the drive shaft 8 and the drive shaft 8 are separate parts, only the screw 14 can be made of high-quality material depending on the material to be processed, and the drive shaft 8 can be made of ordinary material, which can save costs. , which is convenient.
図面は、本考案に係る押出成形機の実施例を示す縦断側
面図である。
１・・・・・・前部軸受台、２・・・・・・プーリー、
３・・・・・・伝動軸、４・・・・・・ラジアル軸受、
５・・・・・・スラスト軸受、６・・・・・・軸受孔、
６ａ・・・・・・大径孔、６ｂ・・・・・・小径孔、６
ｃ・・・・・・段部、７・・・・・・螺孔、８・・・・
・・駆動軸、８ａ・・・・・・拡径頭部、９・・・・・
・キー、１０・・・・・・吐出口、１１・・・・・・加
熱シリンダ、１２・・・・・・外向フランジ、１３・・
・・・・ボルト、１４・・・・・・スクリュー、１５・
・・・・・螺軸、１６・・・・・・後端軸部、１７・・
・・・・ポツパー、１８・・・・・・樹脂供給孔、１９
・・・・・・軸受孔、２０・・・・・・後部軸受台、２
１・・・・・・螺旋溝、２２・・・・・・軸受、２３・
・・・・・外向フランジ、２４・・・・・・ボルト、２
５゜
２６・・・・・・逆ねじ。The drawing is a longitudinal sectional side view showing an embodiment of an extrusion molding machine according to the present invention. 1...Front bearing stand, 2...Pulley,
3...Transmission shaft, 4...Radial bearing,
5... Thrust bearing, 6... Bearing hole,
6a...Large diameter hole, 6b...Small diameter hole, 6
c...Stepped portion, 7...Threaded hole, 8...
...Drive shaft, 8a... Expanded diameter head, 9...
・Key, 10...Discharge port, 11...Heating cylinder, 12...Outward flange, 13...
...Bolt, 14...Screw, 15.
... Spiral shaft, 16 ... Rear end shaft part, 17 ...
...Popper, 18...Resin supply hole, 19
...Bearing hole, 20 ... Rear bearing stand, 2
1... Spiral groove, 22... Bearing, 23...
...Outward flange, 24...Bolt, 2
5゜26・・・Reverse thread.
Claims (1)
受台１に回転可能に支持し、該軸受台１の後端に、水平
をなし、かつ前側部に吐出口１０を備える加熱シリンダ
１１の前端における外向フランジ１２を固着腰該加熱シ
リンダ１１の後端における外向フランジ２３を、樹脂供
給孔１８に連なる軸受孔１９を備える後部軸受台２０の
前端に固着してなり、前記軸受孔６を、大径孔６ａと小
径孔６ｂを、段部６ｃを介して、前後に連設したものと
し、この小径孔６ｂに駆動軸８を嵌合するとともに、両
者を、相対回転することはできないが、軸線方向に摺動
しうるようにキー９結合し、かつ駆動軸８の前端に連設
した拡径頭部８ａを、前記大径孔６ａ内において摺動し
うるとともに、段部６ｃに係合しうるようにし、さらに
、加熱シリンダ１１に内挿したスクリュー１４の前端を
、前記駆動軸８に、ねじ込み式に結合してなる押出成形
機。A hollow transmission shaft 3 having a bearing hole 6 in the center is rotatably supported by a front bearing pedestal 1, and a horizontal discharge port 10 is provided at the rear end of the bearing pedestal 1 and at the front side. The outward flange 12 at the front end of the heating cylinder 11 is fixed.The outward flange 23 at the rear end of the heating cylinder 11 is fixed to the front end of a rear bearing stand 20 having a bearing hole 19 connected to the resin supply hole 18. The hole 6 has a large-diameter hole 6a and a small-diameter hole 6b connected to each other in the front and back via a step 6c, and the drive shaft 8 is fitted into the small-diameter hole 6b, and the two are rotated relative to each other. However, the enlarged diameter head 8a connected to the key 9 so as to be slidable in the axial direction and connected to the front end of the drive shaft 8 can be slid within the large diameter hole 6a, and the stepped portion 6c, and the front end of a screw 14 inserted into the heating cylinder 11 is screwed into the drive shaft 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979081995U JPS608977Y2 (en) | 1979-06-15 | 1979-06-15 | extrusion molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979081995U JPS608977Y2 (en) | 1979-06-15 | 1979-06-15 | extrusion molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56522U JPS56522U (en) | 1981-01-06 |
| JPS608977Y2 true JPS608977Y2 (en) | 1985-04-01 |
Family
ID=29315242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979081995U Expired JPS608977Y2 (en) | 1979-06-15 | 1979-06-15 | extrusion molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608977Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189414A (en) * | 1981-05-19 | 1982-11-20 | Tokyo Shibaura Electric Co | Circuit breaker |
-
1979
- 1979-06-15 JP JP1979081995U patent/JPS608977Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56522U (en) | 1981-01-06 |
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