JPH01289518A - Method for trimming material in forming machine - Google Patents

Method for trimming material in forming machine

Info

Publication number
JPH01289518A
JPH01289518A JP11713488A JP11713488A JPH01289518A JP H01289518 A JPH01289518 A JP H01289518A JP 11713488 A JP11713488 A JP 11713488A JP 11713488 A JP11713488 A JP 11713488A JP H01289518 A JPH01289518 A JP H01289518A
Authority
JP
Japan
Prior art keywords
trimming
air
pin
main body
trimming punch
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.)
Pending
Application number
JP11713488A
Other languages
Japanese (ja)
Inventor
Kazuyuki Tomita
一行 富田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP11713488A priority Critical patent/JPH01289518A/en
Publication of JPH01289518A publication Critical patent/JPH01289518A/en
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Forging (AREA)

Abstract

PURPOSE:To prevent cutter flaws from breaking out to material to be worked and to smoothly discharge a product by discharging compressed air in an air reservoir of a main body with the advance of a trimming punch and charging compressed air into the air reservoir with the return of the trimming punch. CONSTITUTION:An electromagnetic valve 14 is operated by a controller 16 in connection with the advance of the trimming punch 10, air in the air reservoir 7 is discharged from an air discharge hole 15 and air pressure to each pin 5, 4 and a knockout pin 3 is released. Material A enters a die 2 smoothly and the first half part of the worked part of the head of the material A is trimmed by the trimming punch 10. Then, a cam interlocks, a trimming kick hammer strikes the rear face of a pin 6, the knockout pin 3 moves to the front direction in the die 2 through each pin 4, 5 to push out the material A and the latter half part of the working part is trimmed to finish the trimming of the bolt head.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は成型機におけるトリミング方法に係るものであ
る。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a trimming method in a molding machine.

(従来の技術) 従来の成型機による被加工材料のトリミング方法は次の
ように行なわれる。
(Prior Art) A method of trimming a workpiece using a conventional molding machine is performed as follows.

(1)は成型機本体で、その前端内部に金型(2)が装
架され、同金型(2)の貫通孔(2a)にはノックアウ
トピン(3)が可摺動的に嵌挿され、同貫通孔(2a)
に連通ずる本体(1)の貫通孔(la)には、ノックア
ウトピン(3)に接して順次中間ピン(4)及び本ピン
補助ピン(5)が可摺動的に嵌装され、前記貫通孔(1
a)の後端部には本ピン(6)が可摺動的に嵌装され、
更に前記本体(1)の本ピン補助ピン(5)より後方部
位に空気溜め(7)が設けられ、同空気溜め(7)には
前記本体(1)に設けた空気入口(8)に接続されたコ
ンプレッサ(9)を介して圧力空気が注入、貯留されて
いる。
(1) is the molding machine body, with a mold (2) mounted inside the front end, and a knockout pin (3) slidably inserted into the through hole (2a) of the mold (2). and the same through hole (2a)
An intermediate pin (4) and a main pin auxiliary pin (5) are slidably fitted into the through hole (la) of the main body (1) which communicates with the knockout pin (3) in this order. Hole (1
a) The main pin (6) is slidably fitted to the rear end portion,
Furthermore, an air reservoir (7) is provided in the rear part of the main pin auxiliary pin (5) of the main body (1), and the air reservoir (7) is connected to the air inlet (8) provided in the main body (1). Pressurized air is injected and stored through the compressor (9).

而して前記成型機本体(1)の前面には開閉爪(B)を
介してボルト加工材料(A)が支持され、(第4A図参
照)、トリミングパンチ0ωが前進される。
The bolt processing material (A) is supported on the front surface of the molding machine main body (1) via the opening/closing claw (B) (see FIG. 4A), and the trimming punch 0ω is advanced.

同トリミングパンチ0ωが前記材料(A)に接すると、
開閉爪(B)が開放され、同材料(A)は金型(2)の
貫通孔(2a)に押込まれ、(第4B図及び第4c図参
照)第4D図に示すように前記材料(A)におけるボル
ト頭部の6角トリミングが開始され、前記トリミングパ
ンチ00)が前死点に到達すると、ボルト頭部の前半部
がトリミングされ、この前半部と金型(2)の前端部と
の間で材料が圧潰されて囚に示す如く外側に押出される
When the same trimming punch 0ω comes into contact with the material (A),
The opening/closing claw (B) is opened, and the material (A) is pushed into the through hole (2a) of the mold (2) (see Figures 4B and 4c), and as shown in Figure 4D, the material (A) is pushed into the through hole (2a) of the mold (2). When the hexagonal trimming of the bolt head in A) is started and the trimming punch 00) reaches the front dead center, the front half of the bolt head is trimmed, and this front half and the front end of the mold (2) are connected. The material is crushed between them and extruded outward as shown in the figure.

このようにトリミングパンチ0ωが前死点に到達すると
、これに連動するカム機構(II)を介してトリミング
蹴りハンマー02)が作動し、本ピン(6)の後面を加
撃し、前記各ピン(4)(5)を介してノックアウトピ
ン(3)を押圧して前記材料(A)を前進させ、ボルト
頭部の後半部の6角トリミングを行ない、トリミングを
完了する。(第4E図参照) かくしてトリミングパンチ0ωが後退すると、空気溜め
(7)内の圧縮空気が前記各ピン(4) (5) (3
)を加圧して、 (第4F図参照)トリミング加工の完
了した材料(^)を金型(2)より排出する。 (第4
G図参照)(発明が解決しようとする課題) 前記従来の方法においては空気溜め(7)に常時圧縮空
気が貯留されているので、常時前記各ピン(4)(5)
を介してノックアウトビン(3)を押圧し、従って材料
(八)はトリミングパンチ0■とノックアウトピン(3
)とによって前後より押圧された状態で金型(2)内に
進入していく。
When the trimming punch 0ω reaches the front dead center in this way, the trimming kick hammer 02) is actuated via the cam mechanism (II) interlocked with the trimming punch 0ω, and hits the rear surface of the main pin (6), thereby hitting each of the pins. (4) Push the knockout pin (3) through (5) to advance the material (A), perform hexagonal trimming of the rear half of the bolt head, and complete the trimming. (See Figure 4E) When the trimming punch 0ω retreats, the compressed air in the air reservoir (7) is released into each of the pins (4), (5), and (3).
) is pressurized (see Figure 4F), and the material (^) that has been trimmed is discharged from the mold (2). (4th
(See Figure G) (Problem to be Solved by the Invention) In the conventional method, compressed air is always stored in the air reservoir (7), so each of the pins (4), (5)
, the material (8) is pressed through the trimming punch 0 ■ and the knockout pin (3).
) and enters the mold (2) while being pressed from the front and back.

このため6角形のボルト頭部に刃物きずが生起するのを
防止することができない。
Therefore, it is impossible to prevent knife scratches from occurring on the hexagonal bolt head.

本発明はこのような従来技術の有する問題点に鑑みて提
案されたもので、その目的とする処は、加工部に刃物き
ずの生じない改良された成型機によるトリミング方法を
堤供する点にある。
The present invention was proposed in view of the problems of the prior art, and its purpose is to provide a trimming method using an improved molding machine that does not cause cutter scratches in the processed part. .

(課題を解決するための手段) 前記の目的を達成するため、本発明に係るトリミング方
法は、トリミングパンチの前進とともに前記本体の空気
溜めの圧縮空気を放出し、前記トリミングパンチの後退
とともに同空気溜めに圧縮空気を封入することを特徴と
するものである。
(Means for Solving the Problems) In order to achieve the above object, the trimming method according to the present invention releases compressed air from the air reservoir of the main body as the trimming punch moves forward, and releases the compressed air as the trimming punch moves back. It is characterized by enclosing compressed air in the reservoir.

(作用) このように本発明の方法によれば、成型機本体の前面に
支持された被加工材料に対してトリミングパンチを前進
させる場合、前記成型機本体内に設けた空気溜より圧縮
空気を抜くことによって、前記材料を金型内に押込む際
に同金型内のノックアウトピンに対する圧縮空気による
押圧力を解放し、トリミング時における前記材料の刃物
きずの発生を防止する。
(Function) According to the method of the present invention, when the trimming punch is advanced toward the workpiece material supported on the front surface of the molding machine body, compressed air is released from the air reservoir provided in the molding machine body. By pulling out the material, the pressing force of the compressed air against the knockout pin in the mold is released when the material is pushed into the mold, and the generation of knife scratches on the material during trimming is prevented.

(実施例) 以下本発明をボルト頭部のトリミングに適用した図示の
実施例について説明する。
(Embodiment) The illustrated embodiment in which the present invention is applied to trimming a bolt head will be described below.

第1図は本発明の方法に使用される成型機を示し、図中
前記従来の成型機と均等部分には同一符号が附されてい
る。
FIG. 1 shows a molding machine used in the method of the present invention, in which parts equivalent to the conventional molding machine are given the same reference numerals.

前記空気溜め(7)における空気人口(8)とコンプレ
ッサ(9)とを接続する管路03)には電磁弁04が介
装され、同電磁弁04)によって空気溜め(7)内の圧
縮空気が前記管路0■に接続された空気排出孔05)か
ら排出されるようになっている。
A solenoid valve 04 is interposed in a conduit 03) connecting the air population (8) in the air reservoir (7) and the compressor (9), and the compressed air in the air reservoir (7) is controlled by the solenoid valve 04). is discharged from an air exhaust hole 05) connected to the pipe 0■.

図中06)は前記電磁弁041の制御装置である。06) in the figure is a control device for the electromagnetic valve 041.

而して図示の成型機によって材料(A)のボルト頭部を
加工する場合、トリミングパンチ00)の前進時、これ
に連緊して動作する制御装置0ωによって電磁弁04が
動作し、空気溜め(7)内の空気を空気排出孔05)よ
り排出し、前記各ピン(5)(4)及びノックアウトピ
ン(3)に対する空気圧が解放され、前記材料(A)は
金型内に円滑に進入して、トリミングパンチ00)によ
って材料(^)のボルト頭部加工部分の前半部が6角形
にトリミングされる。
When processing the bolt head of material (A) using the illustrated forming machine, when the trimming punch 00) moves forward, the solenoid valve 04 is operated by the control device 0ω, which operates in conjunction with the trimming punch 00), and the air reservoir (7) The air inside is discharged from the air exhaust hole 05), the air pressure for each of the pins (5), (4) and the knockout pin (3) is released, and the material (A) smoothly enters the mold. Then, the first half of the bolt head processing portion of the material (^) is trimmed into a hexagonal shape using a trimming punch 00).

而して前記トリミングパンチ0(llが前死点に達し、
ボルト頭部加工部分の前半部のトリミングが行なわれる
と、カム(11)が連動し、これに伴ってトリミング蹴
りハンマー0りが本ビン(6)の後面を加撃し、前記各
ピン(4)(5)を介してノックアウトビン(3)が金
型(2)内を前方に移動して材料(A)を押出し、トリ
ミングパンチ0ωによって前記ボルト加工部の後半部を
6角形にトリミングして、ボルト頭部のトリミングを完
了する。
Then, the trimming punch 0 (ll) reaches front dead center,
When the front half of the bolt head is trimmed, the cam (11) is activated, and accordingly, the trimming kick hammer hits the rear surface of the main bottle (6), and the pins (4) ) (5), the knockout bin (3) moves forward in the mold (2) to extrude the material (A), and the rear half of the bolt processing part is trimmed into a hexagonal shape using a trimming punch 0ω. , complete the trimming of the bolt head.

このようにボルト頭部のトリミングが完了すると、トリ
ミングバンチ00)が後退を開始し、これに連撃し7て
制御装置Oeが電磁弁04)を作動して空気排出孔09
を閉塞し、管路面を介して空気溜め(7)に圧縮空気を
封入し、空気圧によって前記各ビン(5) (4)を介
してノックアウトピン(3)を前進せしめ、トリミング
の完了した製品を金型(2)より排出する。
When the trimming of the bolt head is completed in this way, the trimming bunch 00) starts to retreat, and the control device Oe operates the solenoid valve 04) to open the air exhaust hole 09.
is closed, compressed air is sealed in the air reservoir (7) through the pipe surface, and the knockout pin (3) is advanced through each of the bins (5) and (4) by air pressure to remove the trimmed product. Discharge from the mold (2).

(発明の効果) 本発明に係る成型機におけるトリミング方法によれば前
記したように、トリミングパンチの前進とともに、成型
機本体内に配設された空気溜内の圧縮空気を放出し、前
記トリミングパンチの後退とともに同空気溜め内に圧縮
空気を封入するようにしたことによって、被加工材料に
刃物きずを生起することなくトリミング加工を行なうこ
とができ、また加工の完了した製品を前記成型機より円
滑に排出することができるものである。
(Effects of the Invention) According to the trimming method in a molding machine according to the present invention, as the trimming punch moves forward, compressed air in the air reservoir provided in the molding machine body is released, and the trimming punch By filling compressed air into the air reservoir as the molding machine retreats, trimming can be performed without causing knife scratches on the material to be processed, and the finished product can be smoothly removed from the molding machine. It can be discharged to

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る成型機におけるトリミング方法の
一実施例の実施状態を示す縦断面図、第2図は従来方法
の実施状態を示す縦断面図、第3図は第2図の部分■の
拡大図、第4八図乃至第4G図は従来方法の工程を示す
縦断面図である。 (A)  −ボルト加工材料 (1)−成型機本体(2
)−金型       (3)−ノックアウトピン(4
)−中間ビン     (5)−本ピン補助ビン(6)
−本ビン      (7)−空気溜め(9)−−コン
プレッサ   QO)−)リミングパンチ0クー管路 
      04)−電磁弁09・−空気排出孔   
 0〇−制御装置代理人 弁理士 岡 本 重 文 外2名
FIG. 1 is a vertical cross-sectional view showing an embodiment of the trimming method in a molding machine according to the present invention, FIG. 2 is a vertical cross-sectional view showing the conventional method in practice, and FIG. 3 is a portion of FIG. 2. The enlarged view of (2) and FIGS. 48 to 4G are longitudinal cross-sectional views showing the steps of the conventional method. (A) - Bolt processing material (1) - Molding machine body (2
) - Mold (3) - Knockout pin (4
) - Intermediate bin (5) - Main pin auxiliary bin (6)
- Main bottle (7) - Air reservoir (9) - Compressor QO) -) Rimming punch 0 cooling pipe
04) - Solenoid valve 09 - Air exhaust hole
0〇-Control device agent Patent attorney Shige Okamoto 2 other people

Claims (1)

【特許請求の範囲】[Claims] 成型機本体前面に支持された被加工材料に対して、トリ
ミングパンチを前死点まで前進させて前記材料の加工部
の前半部をトリミングするとともに、同材料を前記本体
内の前端部に装架された金型内に同金型内に嵌挿された
ノックアウトピンに抗して押込むと同時に、前記本体後
端に可摺動的に嵌挿された本ピンの後端面を加撃し、同
本ピンに連繋して作動する前記本体内に可摺動的に嵌装
された中間、補助ピンを介して前記ノックアウトピンを
加撃して前記材料を前方に押出して前記材料の加工部後
半部をトリミングパンチによりトリミングし、同材料の
トリミング完了後、前記トリミングパンチを後退させる
とともに、前記本体内の空気溜めに貯留された圧縮空気
を介して前記ノックアウトピンを前進させ、前記材料を
前記金型より排出する成型機におけるトリミング方法に
おいて、前記トリミングパンチの前進とともに前記本体
の空気溜めの圧縮空気を放出し、前記トリミングパンチ
の後退とともに同空気溜めに圧縮空気を封入することを
特徴とする成型機におけるトリミング方法。
A trimming punch is advanced to the front dead center of the workpiece material supported on the front side of the molding machine main body to trim the front half of the processed part of the material, and the material is mounted on the front end inside the main body. pushing it into the mold against which the knockout pin is inserted, while at the same time hitting the rear end surface of the main pin slidably inserted into the rear end of the main body; The knockout pin is pushed through an intermediate and auxiliary pin slidably fitted into the main body that operates in conjunction with the main pin to push the material forward, and the second half of the processing section of the material. After trimming the material, the trimming punch is moved back, and the knockout pin is advanced via compressed air stored in an air reservoir in the main body to remove the material from the metal. A trimming method in a molding machine that discharges air from a mold, characterized in that compressed air in an air reservoir of the main body is discharged as the trimming punch moves forward, and compressed air is sealed in the air reservoir as the trimming punch retreats. Trimming method on the machine.
JP11713488A 1988-05-16 1988-05-16 Method for trimming material in forming machine Pending JPH01289518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11713488A JPH01289518A (en) 1988-05-16 1988-05-16 Method for trimming material in forming machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11713488A JPH01289518A (en) 1988-05-16 1988-05-16 Method for trimming material in forming machine

Publications (1)

Publication Number Publication Date
JPH01289518A true JPH01289518A (en) 1989-11-21

Family

ID=14704292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11713488A Pending JPH01289518A (en) 1988-05-16 1988-05-16 Method for trimming material in forming machine

Country Status (1)

Country Link
JP (1) JPH01289518A (en)

Similar Documents

Publication Publication Date Title
US5816089A (en) Hydroforming apparatus having in-die hole piercing capabilities and a slug ejection system using hydroforming fluid
JP4643096B2 (en) Method and apparatus for forming a hole opposite a sidewall of a tubular workpiece
GB2287212A (en) Blow-out vent valve for gas assisted injection moulding apparatus
US5484278A (en) Blow-out vent valve
JP3524496B2 (en) Hot compression of workpieces
US3948427A (en) Apparatus for driving a length of wire, rod or other elongated body through a workpiece for example for riveting
JPH01289518A (en) Method for trimming material in forming machine
US3045618A (en) Method for forming hollow sheet metal panels
CN210435091U (en) Pushing device of rounding stamping die
US4162886A (en) Device for removing a runner from a multiple plate die
US5997788A (en) Method of releasing thin discs in molding
JPH09108728A (en) Extrusion pressing method and device therefor
JPH0839161A (en) Device for manufacture of hollow body from metal-made pipe section based on inner high pressure deforming molding process
JPH05269Y2 (en)
CN217020857U (en) Building enclosure column body mould
CN216441581U (en) Mould for forming multi-direction cross change part
KR100192090B1 (en) Air hammer
JPH0699438A (en) Molded-product taking-out method
KR200171464Y1 (en) Apparatus for cold pressure forming of tie-rod end
JPS6212573Y2 (en)
JPS6019805Y2 (en) Gas venting device for molds of injection molding equipment
JPS6229216Y2 (en)
JPH0413460A (en) Two-die casting method by rotor die casting and construction thereof
JPS5851784B2 (en) Non-porous vacuum die casting method
JPH0815617B2 (en) Operating method of extrusion press and its equipment