JPS6076245A - Method and die for producing connecting pin provided with groove for attaching stopper piece - Google Patents
Method and die for producing connecting pin provided with groove for attaching stopper pieceInfo
- Publication number
- JPS6076245A JPS6076245A JP58184664A JP18466483A JPS6076245A JP S6076245 A JPS6076245 A JP S6076245A JP 58184664 A JP58184664 A JP 58184664A JP 18466483 A JP18466483 A JP 18466483A JP S6076245 A JPS6076245 A JP S6076245A
- Authority
- JP
- Japan
- Prior art keywords
- die
- groove
- forming punch
- outer shell
- attaching
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
Abstract
Description
【発明の詳細な説明】
己の発明は、例えば柱状体の側面に細長い仮等な係止す
る際にその側面に立設して使用する抜止片取付溝付連結
ピンを、容易に製造できるようにして量産を可能にした
抜止片取付溝付連結ビンの製造方法及びその製造用金型
に関するものである。[Detailed Description of the Invention] My invention provides an easy way to manufacture a connecting pin with a groove for attaching a retaining piece, which is used by standing upright on the side surface of a columnar body, for example, when temporarily locking it to the side surface of the columnar body. The present invention relates to a method for manufacturing a connecting bottle with a groove for attaching a retaining piece, which enables mass production, and a mold for manufacturing the same.
従来から、前述したような連結ビンは非常に多くの場所
で使用されているが、その製造過程において、抜止片取
付溝ｆｔ連結ビンの一端から他端方向へ形成する場合に
、例えばフライス加工やスロツター加工等によシ成形し
なければならなかった。Conventionally, the above-mentioned connecting bottles have been used in many places, but in the manufacturing process, when forming the retaining piece mounting groove ft from one end of the connecting bottle to the other, for example, milling or It had to be shaped by slotter processing, etc.
従って、その製造工程が連結ピンの製造時間の大半な占
めるに至９．この種の連結ビンを安価にて製造する際の
大きな障害となっていた。Therefore, the manufacturing process occupies most of the manufacturing time of the connecting pin9. This has been a major obstacle in manufacturing this type of connected bottle at low cost.
そこでこの発明は、上述した点に鑑み前記製造工程の短
縮を図シ、量産に適するようにすべく創出されたもので
、その製造方法の要旨とする処は。Therefore, in view of the above-mentioned points, the present invention was created in order to shorten the manufacturing process and make it suitable for mass production.The gist of the manufacturing method is as follows.
有底円筒状の外殻保持体の開口端から所定内径を有する
円筒の内部に一方端面中心から他方端へ回って先端が楔
状の板状溝形成ポンチ？取付けたダイをこのダイの一方
端から嵌入して金ｆｆｉを組型て、その後ダイの他方端
から棒材ンダイ内部に挿入して鍛圧成形することに存し
、その製造方法に使用する製造用金型の要旨とする処は
、有底円筒状の外殻保持体と、断面形状が６０’−７０
の鋭角で尖った楔状とした一辺を有する板状の溝形成ポ
ンチと、前記外殻保持体に嵌入可能な外径と所定寸法の
内径とを有する円筒でこの円筒の内部中心にその一方端
面から他方端に向って前記溝形成ポンチを取付けるべく
２側湾を形成したダイとかうなり。A plate-shaped groove forming punch with a wedge-shaped tip that rotates from the open end of a bottomed cylindrical outer shell holder to the inside of a cylinder having a predetermined inner diameter from the center of one end surface to the other end? The attached die is inserted from one end of this die to assemble the gold ffi, and then inserted into the bar material die from the other end of the die for forging forming, and is used in the manufacturing method. The main features of the mold include a bottomed cylindrical outer shell holder and a cross-sectional shape of 60'-70.
a plate-shaped groove forming punch having one wedge-shaped side with an acute angle, and a cylinder having an outer diameter that can be fitted into the outer shell holder and an inner diameter of a predetermined size; A die with two side bays formed toward the other end to attach the groove forming punch.
溝形成ポンチにお′ける楔状とした一辺の後方を若干薄
くすべく適宜成形したことに存するものである。This consists in the fact that the groove-forming punch is appropriately shaped to be slightly thinner at the rear of one wedge-shaped side.
以下、図面乞参照してこの発明の詳細な説明すると次の
通りである。Hereinafter, the present invention will be described in detail with reference to the drawings.
すなわち１図に示す特号１は円筒状の外殻体であムこの
外殻体１は鍛造装置の金型取付部２に取付可能とするも
のでらる０
そして、この外殻体１内に嵌入可能な円柱状のダイスト
ッパー３を形成し、このダイストツノぐ−３を外殻体１
の一方端から嵌入して有底円筒状の外殻保持体４乞形成
する。That is, special number 1 shown in Fig. 1 is a cylindrical outer shell.This outer shell 1 can be attached to a mold attachment part 2 of a forging machine. A cylindrical die stopper 3 that can be fitted into the die stopper 3 is formed, and this die stopper 3 is attached to the outer shell 1.
The outer shell holder 4 is fitted from one end to form a bottomed cylindrical outer shell holder.
一万、方形の板状にてなる溝形成ポンチ５な形成し、こ
のポンチ５の一辺８を断面形状が６５の鋭角で尖った楔
状に形成するものである。そして。A groove forming punch 5 is formed in the shape of a rectangular plate, and one side 8 of the punch 5 is formed into a wedge shape with an acute angle of 65 mm in cross section. and.
前記外殻保持体４内に嵌入可能な外径乞有し、且つ後記
棒材２０が嵌入可能な寸法の内径とを有する円筒状のダ
イ６を形成し、このダイ６の外周には円筒の中心軸方向
へ２本のキー溝７を刻設し、又、このダイ６には、ダイ
６の一方端面９中心から他方端１０方向へ、前記溝形成
ポンチ５を楔状に形成した一辺８が他方端１０方向へ向
くように配して取付けるべく割溝１１を形成しである。A cylindrical die 6 is formed having an outer diameter that can be fitted into the outer shell holder 4 and an inner diameter that is large enough to fit a bar 20 described later. Two key grooves 7 are carved in the direction of the central axis, and the die 6 has one side 8 with the groove forming punch 5 formed in a wedge shape from the center of one end surface 9 of the die 6 toward the other end 10. A groove 11 is formed so as to be arranged and attached so as to face the other end 10.
そして、ダイ６の割溝１１に溝形成ポンチ５を嵌入して
配し、外殻保持体４の開口端１２からは、ダイ６の一方
端面９側から内部に嵌入して金型に乞形成するものであ
る。Then, the groove forming punch 5 is fitted into the split groove 11 of the die 6, and inserted into the opening end 12 of the outer shell holder 4 from the one end surface 9 side of the die 6 to form a groove in the die. It is something to do.
しかも、溝形成ポンチ５の楔状の一辺８から対峙してい
る辺まで、ダイ６の内径と同寸法の幅で、且つダイ６に
溝形成ポンチ５を嵌入した際の内側空間に当る部分へ逃
げ溝１３を形成する。又、外殻保持体４の開口端１２の
内周面にはキー１４を２ケ所設け、ダイ６のキー溝７と
係合してダイ６の回シ止めを行なっている。Moreover, the width from one wedge-shaped side 8 of the groove forming punch 5 to the opposite side is the same as the inner diameter of the die 6, and the groove escapes to the part that corresponds to the inner space when the groove forming punch 5 is inserted into the die 6. A groove 13 is formed. Further, two keys 14 are provided on the inner peripheral surface of the open end 12 of the outer shell holder 4, and engage with the key groove 7 of the die 6 to prevent the die 6 from turning.
そして、外殻保持体４の底部を形成しているダイストッ
パー３の中心には、ダイ６の内径と略同寸法の貫通孔１
６７に開穿しておき、この貫通孔１６内に挿入可能な棒
材で、その先端に、前記溝形成ポンチ５の板厚よシも若
干幅広く深さがダイ６の長さよυも長い溝１５を形成し
た押出し棒１７？：貫通孔１６内に配しているものであ
る。In the center of the die stopper 3 forming the bottom of the outer shell holder 4, there is a through hole 1 having approximately the same size as the inner diameter of the die 6.
67, and a rod that can be inserted into the through hole 16. At its tip, there is a groove that is slightly wider than the plate thickness of the groove forming punch 5 and has a depth that is υ longer than the length of the die 6. Extruded rod 17 that formed 15? : It is arranged inside the through hole 16.
そこで、このように形成した金型にを鍛造装置の金型取
付部２に取付けるが、その際に、金型取付部２の当接面
１８は押出し棒１７が挿通可能な逃げ穴１９のみが穿設
しであるように形成するものである。Therefore, the die formed in this way is attached to the die attachment part 2 of a forging machine, but at that time, the contact surface 18 of the die attachment part 2 has only an escape hole 19 through which the extrusion rod 17 can be inserted. It is formed so that it is perforated.
そして、金型取付部２に金型にを取付げて、ダイ６の他
方ｓｉｏ側から棒材２０−ｆ！：挿入して行くと、第６
図に示すように、棒材２０端面が溝形成ポンチ５０楔状
に形成した一辺８に当接し、そのまま押圧すると徐々に
取付溝２１が鍛圧形成されてゆき、溝形成ポンチ５によ
って押のけられた棒材２０の一部は、矢印の如く棒材２
０の先端２２へ向って延びてゆく。Then, the bar 20-f! is attached to the die at the die attachment part 2 from the other sio side of the die 6! : When you insert it, the 6th
As shown in the figure, the end face of the bar 20 comes into contact with the wedge-shaped side 8 of the groove forming punch 50, and when pressed as it is, the mounting groove 21 is gradually formed by forging, and is pushed away by the groove forming punch 5. A part of the bar 20 is attached to the bar 2 as shown by the arrow.
0 toward the tip 22.
そこで、前記押出し棒１７の先端２３をダイ６の一方端
面９と同じ位置に配しておくと、そのまま棒材２０を押
圧してゆけば、前記延びる現象によって棒材２０の先端
２２は、第４図に示すよう゛に押出し棒１７の先端２３
に当接するので、その時点で棒材２０の抑圧ぞ完了する
。そして、金型にを取出すか、或いは金型取付部２の逃
げ穴１９の底面に設けた空気抜き兼用の押出し用孔２４
から押出し棒１７？：抑圧或いは押打すると、第５図に
示すように、取付溝２１が形成された棒材２０が完成す
る。Therefore, if the tip 23 of the extrusion rod 17 is arranged at the same position as the one end surface 9 of the die 6, and if the bar 20 is pressed as it is, the tip 22 of the bar 20 will As shown in Figure 4, the tip 23 of the extrusion rod 17 is
At that point, the bar 20 is completely suppressed. Then, take it out to the mold, or use the extrusion hole 24, which also serves as an air vent, provided at the bottom of the relief hole 19 of the mold attachment part 2.
Extrusion rod 17? : When pressed or pressed, the bar 20 in which the mounting groove 21 is formed is completed, as shown in FIG.
又、この場合に、ダイ６の内周の一方端面９付近全周に
略４５″で面取シ形成部２５を突出させれば、棒材２０
の外周端を同時に面取りすることができるものである。In this case, if the chamfer forming portion 25 is protruded by approximately 45'' around the entire circumference near one end surface 9 of the inner circumference of the die 6, the bar 20
It is possible to simultaneously chamfer the outer peripheral edge of the
尚、溝形成ポンチ５の楔状の角度は６０〜７０程度が良
好な結果が得られたが、その甲でも６５゜の角度の時が
最良の鍜圧状悪が得られた。Although good results were obtained when the wedge-shaped angle of the groove forming punch 5 was about 60 to 70 degrees, the best wedge shape was obtained when the angle of the groove forming punch 5 was 65 degrees.
そして、このようにして形成した連結ビンＰは取付溝２
１に抜止片２６を係止する軸２７ン直角に取付け、第６
図に示すように略長方形状で長丸孔２８ケ島穿した抜止
片２６ぞ、長丸孔２８に軸２７乞貫通させることによっ
て係止し、例えば柱状体２９に連結ビ／Ｐを立設して板
状の補強杆３０等乞連結するものである。The connecting bottle P formed in this way is attached to the mounting groove 2.
1 at right angles to the shaft 27 that locks the retaining piece 26, and the 6th
As shown in the figure, a retaining piece 26 having a substantially rectangular shape and having 28 long round holes is locked by passing the shaft 27 through the long round hole 28, and for example, a connecting pin 26 is set upright on the columnar body 29. The plate-shaped reinforcing rod 30 and the like are connected to each other.
この発明は上述の如く構成したから、非常に簡単で短時
間に抜止片取付溝付連結ビン７ａ′製造することができ
、しかも切削加工乞行なうのではないから切くず等の無
駄な材料も発生しないので非常に効藁が良く安価にて製
造することができる。Since the present invention is configured as described above, it is possible to manufacture the connection bottle 7a' with a groove for attaching a retaining piece very easily and in a short time, and since cutting is not required, no wasted material such as chips is generated. It is very effective and can be produced at low cost.
すなわち、有底円筒状の外殻保持体４と、断面形状が６
０〜７０の鋭角で尖った楔状とした一辺８を有する板状
の溝形成ポンチ５と、前記外殻保持体４に嵌入可能な外
径と所定寸法の内径とを有する円筒でこの円筒の内部中
心にその一方端面９から他方端１０に向って溝形成ポン
チ５を取付けるべく割溝１１？：形成したダイ６とから
構成され。That is, the outer shell holder 4 has a cylindrical shape with a bottom, and the cross-sectional shape is 6.
A plate-shaped groove forming punch 5 having a wedge-shaped side 8 with an acute angle of 0 to 70 mm, and a cylinder having an outer diameter that can be fitted into the outer shell holder 4 and an inner diameter of a predetermined size. A groove 11 is formed in the center to attach the groove forming punch 5 from one end surface 9 to the other end 10. : Consisting of a formed die 6.
ダイ６に、楔状の先端がダイ６の一方端面９から他方端
１０へ向うように溝形成ポンチ５乞嵌人し。A groove forming punch 5 is fitted onto the die 6 so that the wedge-shaped tip faces from one end surface 9 of the die 6 to the other end 10.
この嵌入した一方端面９側から外殻保持体４に嵌入して
金型Ｐｉ組立てることができるので、非常に簡単に金型
Ｐの組立て及び取付が可能になシ工程の短縮乞図ること
ができる。Since the mold Pi can be assembled by fitting it into the outer shell holder 4 from the one end face 9 side of the fitting, it is possible to assemble and attach the mold P very easily, and the process can be shortened. .
しかも、このように形成した金型Ｐにおけるダイ６の他
方端１０から棒材２０？：挿入して鍛圧成形すると一工
程で取付溝２１を形成でき、従来の切削加工に比べて、
切くずも出す、非常に短時間に加工することができる。Moreover, in the mold P formed in this manner, the bar 20? : By inserting and forging, the mounting groove 21 can be formed in one step, compared to conventional cutting.
It also produces chips and can be processed in a very short time.
又、溝形成ポンチ５における楔状とした一辺８の後方を
若干薄くすべく適宜成形したことによシ。In addition, the groove forming punch 5 is formed by appropriately forming the rear part of the wedge-shaped side 8 to be slightly thinner.
楔状とした一辺８によって取付溝２１を成形する際に、
前述の如く棒材２０が延びる時の抵抗を最ｌ」・限にす
ることができるから、鍛圧成形をスムーズに行なうこと
ができる−
尚、前記金型にの材質は、棒材２０として鉄棒等乞使用
する〃）ら、ダイス鋼、工具鋼、高速度工具鋼等を高硬
度に焼入れして用いるものである。When forming the mounting groove 21 with the wedge-shaped side 8,
As mentioned above, since the resistance when the bar material 20 is extended can be minimized, the forging process can be carried out smoothly. Die steel, tool steel, high-speed tool steel, etc. are hardened to a high degree of hardness.
以上説明したように、この発明によれば、取付溝の成形
？、切削加工によらず鍛圧加工によって一工程にて成形
できるから、加工時間の短縮、そして、誰にでも加工が
でき、更には材料の無駄もなくなるので安価にて製造で
き、セして鍜圧加工に使用する金型の構造も簡単で組立
て易いので、非常に使い易くな９、鍛圧加工もスムーズ
に行なうことができるから連結ビンの量並に最適である
等の優れた効果を奏するものである。As explained above, according to the present invention, the mounting groove can be formed. , since it can be formed in one step by forging instead of cutting, the machining time can be shortened, anyone can do the machining, and there is no wastage of material, so it can be manufactured at low cost. The structure of the mold used for processing is simple and easy to assemble, so it is very easy to use9.Forging processing can also be performed smoothly, so it has excellent effects such as being optimal for the amount of connecting bottles. be.
図面はこの発明の実施例？示すもので、第１図は金型の
分解斜視図、第２図は第６図におけるＡ−Ａ矢視図、第
６図は鍛圧中の正断面図、第４図は鍛圧完了時の正断面
図、第５図は取付溝形成完了時の正断面図、第６図は抜
止片乞取付けた連結ビンの使用状態を示す斜視図である
°。
に・・・金型、Ｐ・・・連結ビン、１・・・外殻体、２
・・・金型取付部、３・・・ダイストラ／ｅ、４・・・
外殻保持体。
５・・・溝形成ポンチ、６・・・グイ、７・・・キー溝
、８・・・−辺、９・・・−万端面、１０・・・他方端
、１１°°°割溝。
１２・・・開口端、１３・・・逃げ溝、１４・・・キー
、１５・・・溝、１６・・・貫通孔、１７・・・押出し
棒、１８・・・当接面、１９・・・逃げ穴、２０・・・
棒材、２１・・・取付溝、２２・・・先端、２３・・・
先端、２４・・・押出し用孔。
２５・・・面取シ形成部、２６・・・抜止片、２７・・
・軸、２８・・・長丸孔、２９・・・柱状体、３０・・
・補強杆。
特許出願人前 山 葭
（外１名）
第１図
第２図
償Is the drawing an example of this invention? Fig. 1 is an exploded perspective view of the mold, Fig. 2 is a view taken along the line A-A in Fig. 6, Fig. 6 is a front sectional view during forging, and Fig. 4 is a normal view at the end of forging. FIG. 5 is a front sectional view after the formation of the mounting groove is completed, and FIG. 6 is a perspective view showing the state in which the connecting bottle with the retaining piece attached is in use. N...Mold, P...Connection bottle, 1...Outer shell, 2
... Mold mounting part, 3... Die strut/e, 4...
Outer shell holder. 5...Groove forming punch, 6...Gui, 7...Keyway, 8...-side, 9...-many end face, 10...Other end, 11°°° dividing groove. 12... Opening end, 13... Relief groove, 14... Key, 15... Groove, 16... Through hole, 17... Extrusion rod, 18... Contact surface, 19... ...Escape hole, 20...
Bar material, 21...Mounting groove, 22...Tip, 23...
Tip, 24... hole for extrusion. 25... Chamfer forming portion, 26... Retaining piece, 27...
・Shaft, 28...Oval hole, 29...Column, 30...
・Reinforced rod. Patent applicant Yoshihiro Yama (1 other person) Figure 1 Figure 2 Compensation
Claims (1)
有する円筒の内部に一万端面中心から他万端へ向って先
端が楔状の板状溝形成ポンチを取付けたダイ、をこのダ
イの一方端から嵌入して金型な組立て、その後ダイの他
万端から棒材をダイ内部に挿入して鍛圧成形すること１
？ｒ：％徴とした抜止片取付溝付連結ビンの製造方法。 ２、有底円筒状の外殻保持体と、断面形状が６０゜〜７
０の鋭角で尖った楔状とした一辺を有する板状の溝形成
ポンチと、前記外殻保持体に我人可能な外径と所定寸法
の内径とを有する円筒でこの円筒の内部中心にその一万
端面から他方端に向って前記溝形成ポンチ？取付けるべ
く割溝？形成したダイとからなシ、−形成ポンチにおけ
る楔状とした一辺の後方を若干薄くすべく適宜成形した
ことを特徴とする抜止片取付溝付連結ビンの製造用金型
。[Scope of Claims] 1. A plate-shaped groove forming punch with a wedge-shaped tip is attached from the open end of a bottomed cylindrical outer shell holder to the inside of a cylinder having a predetermined inner diameter from the center of one end face to the other end face. A die is inserted from one end of the die to assemble the mold, and then a bar material is inserted into the die from the other end of the die and press-formed.
? r: Manufacturing method of a connecting bottle with a groove for attaching a retaining piece, expressed as a percentage. 2. A cylindrical outer shell holder with a bottom and a cross-sectional shape of 60° to 7
A plate-shaped groove-forming punch having one wedge-shaped side with an acute angle of 0, and a cylinder having an outer diameter that is adjustable to the outer shell holder and an inner diameter of a predetermined size. The groove forming punch from the end face to the other end? Groove for installation? A mold for manufacturing a connecting bottle with a groove for attaching a retaining piece, characterized in that the formed die and the forming punch are suitably formed so as to be slightly thinner at the rear of one wedge-shaped side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58184664A JPS6076245A (en) | 1983-10-03 | 1983-10-03 | Method and die for producing connecting pin provided with groove for attaching stopper piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58184664A JPS6076245A (en) | 1983-10-03 | 1983-10-03 | Method and die for producing connecting pin provided with groove for attaching stopper piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6076245A true JPS6076245A (en) | 1985-04-30 |
| JPH0159059B2 JPH0159059B2 (en) | 1989-12-14 |
Family
ID=16157189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58184664A Granted JPS6076245A (en) | 1983-10-03 | 1983-10-03 | Method and die for producing connecting pin provided with groove for attaching stopper piece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814386A (en) * | 2012-09-06 | 2012-12-12 | 苏州工业园区新凯精密五金有限公司 | Inlay type combined die structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5479158A (en) * | 1977-12-07 | 1979-06-23 | Osaka Rashi Seisakushiyo Kk | Fabrication of grooved bolt |
-
1983
- 1983-10-03 JP JP58184664A patent/JPS6076245A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5479158A (en) * | 1977-12-07 | 1979-06-23 | Osaka Rashi Seisakushiyo Kk | Fabrication of grooved bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814386A (en) * | 2012-09-06 | 2012-12-12 | 苏州工业园区新凯精密五金有限公司 | Inlay type combined die structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0159059B2 (en) | 1989-12-14 |
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