JPH0517214Y2 - - Google Patents
Info
- Publication number
- JPH0517214Y2 JPH0517214Y2 JP435689U JP435689U JPH0517214Y2 JP H0517214 Y2 JPH0517214 Y2 JP H0517214Y2 JP 435689 U JP435689 U JP 435689U JP 435689 U JP435689 U JP 435689U JP H0517214 Y2 JPH0517214 Y2 JP H0517214Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- contact
- injection nozzle
- nozzle
- injection
- 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 - Lifetime
Links
- 238000002347 injection Methods 0.000 claims description 46
- 239000007924 injection Substances 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 1
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、射出ノズルの金型接触検出装置に関
し、特に、射出ノズルの先端部と金型の接触の有
無を電気的に直接検出し、金型の金型ノズル接触
面の寸法位置が異なる場合でも、金型交換自動成
形運転時の金型に対する接触を確実に検出するた
めの新規な改良に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a mold contact detection device for an injection nozzle, and in particular, it directly electrically detects the presence or absence of contact between the tip of an injection nozzle and a mold. The present invention relates to a novel improvement for reliably detecting contact with a mold during automatic mold exchange molding operation even when the dimensional position of the mold nozzle contact surface of the mold is different.
［従来の技術］
従来、用いられていたこの種の射出ノズルの金
型接触検出装置としては種々あるが、その中で代
表的なものについて述べると、ここではその従来
例を示す文献名を開示していないが、本出願人が
製造する射出成形機においては、リミツトスイツ
チによつて、射出ノズルの先端部が金型の金型ノ
ズル接触面に接触したことを間接的に検出してい
た。[Prior Art] There are various types of mold contact detection devices for injection nozzles that have been used in the past, but to describe the typical ones, here we will disclose the names of documents showing the conventional examples. However, in the injection molding machine manufactured by the present applicant, the contact of the tip of the injection nozzle with the mold nozzle contact surface of the mold was indirectly detected by a limit switch.
［考案が解決しようとする課題］
従来の射出ノズルの金型接触検出装置は、以上
のように構成されていたため、次のような課題を
有していた。[Problems to be Solved by the Invention] The conventional injection nozzle mold contact detection device was configured as described above, and therefore had the following problems.
すなわち、リミツトスイツチで位置検出する
と、金型交換ごとに金型ノズル接触面の位置が異
なる場合、その位置に合わせてリミツトスイツチ
の設定位置を作業者が位置調整しなければならな
かつた。 That is, when position detection is performed using a limit switch, if the position of the mold nozzle contact surface differs each time the mold is replaced, the operator has to adjust the set position of the limit switch to match the position.
又、リミツトスイツチによる位置検出では、実
際の先端部と金型ノズル接触面との接触を直接検
出することはできず、リミツトスイツチの故障、
又は、先端部の送り系の誤動作等による接触誤差
を除去することは不可能であつた。 In addition, position detection using a limit switch cannot directly detect the actual contact between the tip and the contact surface of the mold nozzle, which may result in limit switch failure or
Alternatively, it has been impossible to eliminate contact errors due to malfunctions of the feeding system of the tip.
本考案は、以上のような課題を解決するために
なされたもので、特に、射出ノズルの先端部と金
型の接触の有無を電気的に直接検出し、金型の金
型ノズル接触面の寸法位置が異なる場合でも、金
型交換自動成形運転時の金型に対する接触を確実
に検出するようにした射出ノズルの金型接触検出
装置を提供することを目的とする。 The present invention was developed to solve the above-mentioned problems.In particular, it directly electrically detects the presence or absence of contact between the tip of the injection nozzle and the mold, and detects the contact surface of the mold nozzle of the mold. It is an object of the present invention to provide a mold contact detection device for an injection nozzle that can reliably detect contact with a mold during automatic mold exchange molding operation even when the dimensional positions are different.
［課題を解決するための手段］
本考案による射出ノズルの金型接触検出装置
は、射出ノズルの先端部に形成された射出孔の近
傍に設けられた電極部と、前記射出ノズルと対向
して設けられ前記先端部が接触する金型ノズル接
触面を有する金型と、前記電極部と金型に接続さ
れ前記電極部に正電位を供給する電源部と、前記
電源部に接続された接触信号出力部とを備えた構
成である。[Means for Solving the Problems] A mold contact detection device for an injection nozzle according to the present invention includes an electrode portion provided near an injection hole formed at the tip of the injection nozzle, and an electrode portion facing the injection nozzle. a mold having a mold nozzle contact surface that is provided and which the tip comes into contact with; a power supply unit that is connected to the electrode part and the mold and supplies a positive potential to the electrode part; and a contact signal connected to the power supply part. The configuration includes an output section.
［作用］
本考案による射出ノズルの金型接触検出装置に
おいては、前記射出ノズルが前進し、その先端部
が金型の金型ノズル接触面に接触すると、電極部
の先端が金型ノズル接触面に接触し、電源部から
の電流が金型を介して流れるため、この電流の流
れを接触信号出力部で出力することにより、先端
部と金型ノズル接触面との実際の接触を正確に検
出することができる。[Function] In the injection nozzle mold contact detection device according to the present invention, when the injection nozzle moves forward and its tip comes into contact with the mold nozzle contact surface of the mold, the tip of the electrode portion contacts the mold nozzle contact surface. Since the current from the power supply part flows through the mold, the actual contact between the tip and the mold nozzle contact surface can be accurately detected by outputting this current flow from the contact signal output part. can do.
又、前記電極部を射出ノズルを中心として左右
及び上下位置に４個配設した場合には、金型ノズ
ル接触面に対して射出ノズルの水平及び垂直位置
を検出し、射出ノズルが金型に対して正確に直角
方向であることを検出することができる。 In addition, when four electrode parts are arranged on the left, right, top and bottom positions around the injection nozzle, the horizontal and vertical positions of the injection nozzle are detected with respect to the mold nozzle contact surface, and the injection nozzle is placed in the mold. It is possible to detect that the direction is exactly perpendicular to the direction.
［実施例］
以下、図面と共に本考案による射出ノズルの金
型接触検出装置の好適な実施例について詳細に説
明する。[Embodiments] Hereinafter, preferred embodiments of the mold contact detection device for an injection nozzle according to the present invention will be described in detail with reference to the drawings.
第１図から第３図は、本考案による射出ノズル
の金型接触検出装置を示すためのもので、第１図
は一部断面を含む全体構成図、第２図は射出ノズ
ルを示す要部拡大断面図、第３図は射出ノズルを
示す拡大正面図である。 Figures 1 to 3 are for showing the mold contact detection device for an injection nozzle according to the present invention. Figure 1 is an overall configuration diagram including a partial cross section, and Figure 2 is a main part showing the injection nozzle. FIG. 3 is an enlarged sectional view and an enlarged front view showing the injection nozzle.
図において符号１で示されるものは金型２を着
脱自在に有する金型保持台であり、この金型保持
台１の中心位置には貫通孔１ａが形成されてい
る。 In the figure, the reference numeral 1 denotes a mold holder having a mold 2 removably attached thereto, and a through hole 1a is formed at the center of the mold holder 1. As shown in FIG.
前記金型２の一面部２ａには、金型２内の型部
２ａと連通する凹形状をなす金型ノズル接触面２
ｃが形成され、この金型ノズル接触面２ｃは前記
貫通孔１ａのほぼ中心位置に対応して形成されて
いる。 A mold nozzle contact surface 2 having a concave shape communicating with the mold part 2a in the mold 2 is provided on one surface 2a of the mold 2.
c is formed, and this mold nozzle contact surface 2c is formed corresponding to approximately the center position of the through hole 1a.
前記金型保持台１の対向位置には、射出ユニツ
ト３及びこの射出ユニツト３に接続され矢印Ａの
方向に出入自在に配設された射出ノズル４とから
なる射出成型機５が配設されている。 An injection molding machine 5 consisting of an injection unit 3 and an injection nozzle 4 connected to the injection unit 3 and arranged to be movable in and out in the direction of arrow A is disposed at a position opposite to the mold holding table 1. There is.
前記射出ノズル４には、第２図及び第３図にて
詳細に示すように、その軸中心位置に射出孔４ａ
が形成されると共に、この射出孔４ａを中心とし
て上下左右位置に４本の棒状をなす電極部６ａ，
６ｂ，６ｃ、及び６ｄが絶縁部２０を介して各々
絶縁した状態で配設されている。 As shown in detail in FIGS. 2 and 3, the injection nozzle 4 has an injection hole 4a at its axial center position.
are formed, and four rod-shaped electrode portions 6a are formed at upper, lower, left and right positions around the injection hole 4a.
6b, 6c, and 6d are arranged so as to be insulated from each other via an insulating section 20.
前記各電極部６ａ〜６ｄは、全体形状がほぼＬ
字形状をなし、その各先端面６aA，６bA，６
cA，及び６dAは前記射出孔４ａを中心として左
右及び上下対象な状態で前記射出ノズル４の先端
部４ｂに露出して形成されている。 The overall shape of each of the electrode parts 6a to 6d is approximately L.
shape, each tip surface 6aA, 6bA, 6
cA and 6dA are exposed at the tip 4b of the injection nozzle 4 and are symmetrical horizontally and vertically with respect to the injection hole 4a.
さらに、前記各電極部６ａ〜６ｄの後端部に
は、端子部７が各々設けられており、これらの各
端子部７には、検出回路部８の電源部９からの正
電位が接続線１０を介して接続され、前記金型２
に結合する前記金型保持台１には、前記電源部９
の負電位が接続線１１を介して接続されている。 Furthermore, a terminal section 7 is provided at the rear end of each of the electrode sections 6a to 6d, and a positive potential from the power supply section 9 of the detection circuit section 8 is connected to the connection line. 10, said mold 2
The mold holder 1 coupled to the power source section 9
A negative potential of is connected via a connection line 11.
前記電源部９には接触信号出力部１２が接続さ
れており、前記電極部６ａ〜６ｄと金型ノズル接
触面２ｃとが接触すると、電源部９の電流が接続
線１０、各電極部６ａ〜６ｄ、金型２及び接続線
１１を流れることにより前記接触信号出力部１２
から接触信号１２ａが得られるように構成されて
いる。 A contact signal output section 12 is connected to the power supply section 9, and when the electrode sections 6a to 6d come into contact with the mold nozzle contact surface 2c, the current of the power supply section 9 is transmitted to the connecting wire 10 and each of the electrode sections 6a to 6d. 6d, the contact signal output section 12 by flowing through the mold 2 and the connection line 11.
The contact signal 12a is obtained from the contact signal 12a.
本考案による射出ノズルの金型接触検出装置
は、前述したように構成されており、以下に、そ
の動作について説明する。 The injection nozzle mold contact detection device according to the present invention is constructed as described above, and its operation will be described below.
第１図の状態における構成において、金型２の
交換を行う場合、射出ユニツト３によつて射出ノ
ズル４を後退させておき、金型２の交換を行つた
後、射出ノズル４を前進させるが、各電極部６ａ
〜６ｄの各先端面６aA〜６dAが金型ノズル接触
面２ｃに接触すると、電源部９からの電流が、接
続線１０、各電極部６ａ〜６ｄ、金型ノズル接触
面２ｃ及び接続線１１を流れて回路を形成するた
め、接触信号出力部１２からは接触信号１２ａが
得られ、射出ノズル４の先端部４ｂと金型ノズル
接触面２ｃの接触が確認できる。 In the configuration shown in FIG. 1, when the mold 2 is replaced, the injection nozzle 4 is moved backward by the injection unit 3, and after the mold 2 is replaced, the injection nozzle 4 is moved forward.
When each of the tip surfaces 6aA to 6dA of the injection nozzle 4 come into contact with the mold nozzle contact surface 2c, current from the power supply unit 9 flows through the connection wire 10, each of the electrode portions 6a to 6d, the mold nozzle contact surface 2c, and the connection wire 11 to form a circuit, so that a contact signal 12a is obtained from the contact signal output unit 12, and contact between the tip portion 4b of the injection nozzle 4 and the mold nozzle contact surface 2c can be confirmed.
従つて、金型ノズル接触面２ｃの深さが種々異
なる金型２を自動交換した場合でも、自動的に接
触信号１２ａを得ることができる。また、４本の
電極部６ａ〜６ｄを独立して用い、水平及び垂直
位置を検出できるように電気的な接続を構成した
場合には、金型２に対する射出ノズル４の直角位
置を検出することができる。 Therefore, even when the molds 2 whose mold nozzle contact surfaces 2c have various depths are automatically replaced, the contact signal 12a can be automatically obtained. In addition, when the four electrode parts 6a to 6d are used independently and electrical connections are configured so that the horizontal and vertical positions can be detected, the perpendicular position of the injection nozzle 4 with respect to the mold 2 can be detected. I can do it.
［考案の効果］
本考案による金型接触検出装置は、以上のよう
に構成されているため、次のような効果を得るこ
とができる。[Effects of the Invention] Since the mold contact detection device according to the present invention is configured as described above, the following effects can be obtained.
(1) 金型の金型ノズル接触面の深さが異なる種々
の金型を自動交換する場合、自動的に金型ノズ
ル接触位置を自動検出することができるため、
金型交換自動成形運転できる。(1) When automatically replacing various molds with different depths of the mold nozzle contact surface, the mold nozzle contact position can be automatically detected.
Mold exchange automatic molding operation is possible.
(2) 又、４本の電極部を金型ノズル接触面に接触
させることにより、水平及び垂直度すなわち射
出ノズルが金型ノズル接触面に対して直角であ
ることを確認することができる。(2) Also, by bringing the four electrodes into contact with the mold nozzle contact surface, it is possible to confirm the horizontal and vertical degrees, that is, the injection nozzle is perpendicular to the mold nozzle contact surface.
図面は本考案による金型接触検出装置を示すた
めのもので、第１図は全体構成図、第２図は射出
ノズルを示す要部拡大断面図、第３図は第２図の
正面図である。
２は金型、２ｃは金型ノズル接触面、４は射出
ノズル、４ａは射出孔、４ｂは先端部、６ａ〜６
ｄは電極部、９は電源部、１２は接触信号出力
部、１２ａは接触信号である。
The drawings are for showing the mold contact detection device according to the present invention. Fig. 1 is an overall configuration diagram, Fig. 2 is an enlarged sectional view of the main part showing the injection nozzle, and Fig. 3 is a front view of Fig. 2. be. 2 is a mold, 2c is a mold nozzle contact surface, 4 is an injection nozzle, 4a is an injection hole, 4b is a tip, 6a to 6
d is an electrode part, 9 is a power supply part, 12 is a contact signal output part, and 12a is a contact signal.
Claims (1)
孔４ａの近傍に設けられた電極部６ａ〜６ｄ
と、前記射出ノズル４と対向して設けられ前記
先端部４ｂが接触する金型ノズル接触面２ｃを
有する金型２と、前記電極部６ａ〜６ｄと金型
２に接続され前記電極部６ａ〜６ｄに正電位を
供給する電源部９と、前記電源部９に接続され
た接触信号出力部１２とを備え、前記電極部６
ａ〜６ｄが前記金型２と接触した場合、前記接
触信号出力部１２から接触信号１２ａを出力す
るように構成したことを特徴とする射出ノズル
の金型接触検出装置。 (2) 前記電極部６ａ〜６ｄは、前記射出ノズル４
を中心として角度90°位置において合計４個配
設されているようにしたことを特徴とする請求
項１記載の射出ノズルの金型接触検出装置。[Claims for Utility Model Registration] (1) Electrode sections 6a to 6d provided near the injection hole 4a formed at the tip 4b of the injection nozzle 4
, a mold 2 having a mold nozzle contact surface 2c that is provided facing the injection nozzle 4 and in contact with the tip portion 4b, and the electrode portions 6a to 6d connected to the mold 2 and the electrode portions 6a to 6d. 6d, and a contact signal output section 12 connected to the power source section 9.
A mold contact detection device for an injection nozzle, characterized in that the contact signal output section 12 outputs a contact signal 12a when a to 6d contacts the mold 2. (2) The electrode parts 6a to 6d are connected to the injection nozzle 4.
2. The mold contact detection device for an injection nozzle according to claim 1, wherein a total of four contact detection devices are arranged at 90° angle positions with the injection nozzle as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP435689U JPH0517214Y2 (en) | 1989-01-20 | 1989-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP435689U JPH0517214Y2 (en) | 1989-01-20 | 1989-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0297019U JPH0297019U (en) | 1990-08-02 |
| JPH0517214Y2 true JPH0517214Y2 (en) | 1993-05-10 |
Family
ID=31206801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP435689U Expired - Lifetime JPH0517214Y2 (en) | 1989-01-20 | 1989-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517214Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8992806B2 (en) | 2003-11-18 | 2015-03-31 | Honeywell International Inc. | Antireflective coatings for via fill and photolithography applications and methods of preparation thereof |
-
1989
- 1989-01-20 JP JP435689U patent/JPH0517214Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8992806B2 (en) | 2003-11-18 | 2015-03-31 | Honeywell International Inc. | Antireflective coatings for via fill and photolithography applications and methods of preparation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0297019U (en) | 1990-08-02 |
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