JPH11207657A - Body of vibration generator - Google Patents
Body of vibration generatorInfo
- Publication number
- JPH11207657A JPH11207657A JP10016729A JP1672998A JPH11207657A JP H11207657 A JPH11207657 A JP H11207657A JP 10016729 A JP10016729 A JP 10016729A JP 1672998 A JP1672998 A JP 1672998A JP H11207657 A JPH11207657 A JP H11207657A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- sliding hole
- working tool
- sliding
- hole
- 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
Links
Landscapes
- Road Paving Machines (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、破砕機や転圧機等
に用いる振動発生装置のボディに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body of a vibration generator used for a crusher, a compactor, and the like.
【０００２】[0002]
【従来の技術】ピストン摺動孔と作業具摺動孔を有する
ボディと、そのボディのピストン摺動孔に嵌挿したピス
トンと、ボディの作業具摺動孔に嵌挿したチゼルを備
え、ピストンを往復動することでチゼルを打撃する破砕
機が知られている。2. Description of the Related Art A piston having a piston sliding hole and a working tool sliding hole, a piston fitted into the piston sliding hole of the body, and a chisel fitted into the working tool sliding hole of the body are provided. A crusher that hits a chisel by reciprocating a turret is known.
【０００３】前述のボディにおいては、ピストン、チゼ
ルがスムーズに往復動するために真円度、円筒度などの
形状公差が重要である。また、チゼルによるピッチング
を受けるから摺動孔の耐摩耗性と硬さが重要である。前
述のチゼルによるピッチングとは、ピストンがチゼルを
打撃してチゼルが岩石等の打撃相手を打撃した瞬間に、
打撃相手の打撃面が平行でない場合にチゼル、ピストン
にラジラル力を受けることである。In the above-mentioned body, shape tolerances such as roundness and cylindricity are important in order for the piston and chisel to reciprocate smoothly. In addition, the wear resistance and hardness of the sliding hole are important because of the pitching by the chisel. With the chisel pitching described above, the moment the piston hits the chisel and the chisel hits a hitting party such as rock,
When a hitting surface of a hitting partner is not parallel, a radial force is applied to the chisel and the piston.
【０００４】従来のボディは前述のことを満足するため
にＳＣＭ材、Ｓ４３Ｃ等の材料の素材を用い、浸炭・高
周波熱処理を行なうと共に、ピストン摺動孔、作業具摺
動孔を穴加工して浸炭処理した後に仕上げ研磨を行なっ
ている。[0004] In order to satisfy the above, the conventional body is made of a material such as SCM material or S43C, and is subjected to carburizing and high-frequency heat treatment, and at the same time, is formed with a piston sliding hole and a working tool sliding hole. Finish polishing is performed after carburizing.
【０００５】[0005]
【発明が解決しようとする課題】従来のボディは浸炭後
に仕上げ加工するために最終形状公差を厳しくできる
が、その反面、素材から全ての加工するため、すなわち
摺動孔の穴加工、ピストン往復動用の圧油を流通する油
通路等全てを機械加工するので加工工程大であるし、無
駄となる素材の量が多い。特に油通路は多方向から穿孔
加工するので更に多くの加工工程を要する上、複雑形状
の油通路の加工が困難である。The conventional body can have a strict final shape tolerance in order to finish after carburizing, but on the other hand, in order to perform all processing from the material, that is, for drilling a sliding hole, reciprocating a piston. Since all the oil passages and the like through which the pressure oil flows are machined, the machining process is large, and the amount of wasted material is large. In particular, since the oil passage is drilled from multiple directions, more processing steps are required, and it is difficult to form an oil passage having a complicated shape.
【０００６】そこで、本発明は前述の課題を解決できる
ようにした振動発生装置のボディを提供することを目的
とする。Accordingly, an object of the present invention is to provide a body of a vibration generator which can solve the above-mentioned problems.
【０００７】[0007]
【課題を解決するための手段及び作用・効果】第１の発
明は、ピストン１０が摺動自在に嵌挿されるピストン摺
動孔４と作業具が摺動自在に嵌挿される作業具摺動孔９
を同心状に有し、かつ鋳造製であって、そのピストン摺
動孔４にガス軟窒化処理による硬化層が形成されている
ことを特徴とする振動発生装置のボディである。The first invention is directed to a piston sliding hole 4 into which a piston 10 is slidably inserted and a working tool sliding hole into which a working tool is slidably inserted. 9
And is made of casting, and a hardened layer is formed in the piston sliding hole 4 by a gas nitrocarburizing process.
【０００８】第１の発明によれば、鋳造製であるからピ
ストン摺動孔４、作業具摺動孔９などを油通路を形成す
るための中子を用いることによって容易に形成できるこ
とで工程を減らし、無駄となる素材の量が少なく、しか
も複雑形状の油通路を容易に形成でき、生産性が向上す
る。また、ピストン摺動孔４にはガス軟窒化により硬化
層が形成されているから、耐摩耗性が向上するし、硬さ
が向上する。According to the first aspect, since the piston sliding hole 4, the working tool sliding hole 9 and the like can be easily formed by using a core for forming an oil passage since they are made of casting, the process is simplified. This reduces the amount of wasted material, reduces the amount of wasted material, and can easily form an oil passage having a complicated shape, thereby improving productivity. Further, since a hardened layer is formed in the piston sliding hole 4 by gas nitrocarburizing, the wear resistance is improved and the hardness is improved.
【０００９】第２の発明は、第１の発明において、ピス
トン摺動孔４を有する鋳造製のピストン摺動用部材２
と、作業具摺動孔９を有する鋳造製の作業具摺動用部材
３が連結されている振動発生装置のボディである。According to a second aspect of the present invention, in the first aspect, a piston sliding member 2 having a piston sliding hole 4 is provided.
And a body of a vibration generating device to which a working tool sliding member 3 having a working tool sliding hole 9 is connected.
【００１０】第２の発明によれば、ピストン摺動用部材
２と作業具摺動用部材３が別々に鋳造で製作されるか
ら、生産性がより一層向上するし、ピストン摺動孔４の
ガス軟窒化処理がやり易くなる。According to the second invention, the piston sliding member 2 and the work implement sliding member 3 are separately manufactured by casting, so that the productivity is further improved and the gas softness of the piston sliding hole 4 is improved. The nitriding process becomes easier.
【００１１】[0011]
【発明の実施の形態】図１に示すように、ボディ１はピ
ストン摺動用部材２と作業具摺動用部材３を連結してあ
る。ピストン摺動用部材２は長手方向に連続したピスト
ン摺動孔４、油通路５等を有し、そのピストン摺動用部
材２の長手方向一端面にはキャップ７がボルト８で固着
してある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a body 1 has a member 2 for sliding a piston and a member 3 for sliding a working tool. The piston sliding member 2 has a piston sliding hole 4 and an oil passage 5 continuous in the longitudinal direction. A cap 7 is fixed to one end surface of the piston sliding member 2 in the longitudinal direction with bolts 8.
【００１２】前記作業具摺動用部材３は長手方向に連続
した作業具摺動孔９を有し、この作業具摺動孔９と前記
ピストン摺動孔４が同心状となるように作業具摺動用部
材３とピストン摺動用部材２が連結されている。The work implement sliding member 3 has a work implement slide hole 9 which is continuous in the longitudinal direction. The work implement slide hole 9 and the piston slide hole 4 are concentric with each other. The moving member 3 and the piston sliding member 2 are connected.
【００１３】前記ピストン摺動孔４にはピストン１０が
摺動自在に嵌挿され、作業具摺動孔９には作業具、例え
ばチゼル１１が摺動自在に嵌挿されて破砕機を形成して
いる。図１において、１２はチゼル１１の抜け止めピン
である。なお、チゼル１１の代りに転圧具の杆体を嵌挿
すれば転圧機となる。A piston 10 is slidably fitted in the piston sliding hole 4 and a working tool, for example, a chisel 11, is slidably fitted in the working tool sliding hole 9 to form a crusher. ing. In FIG. 1, reference numeral 12 denotes a retaining pin for the chisel 11. If a rod of a pressing tool is inserted in place of the chisel 11, a pressing machine is obtained.
【００１４】前記ピストン摺動用部材２、作業具摺動用
部材３は、鋳鉄を材料として鋳造で各孔や油通路を有す
る素材とし、その素材を焼き鈍した後に各孔を仕上加
工、仕上研磨した後にガス軟窒化して各摺動子に硬化層
を形成したものである。The piston sliding member 2 and the working tool sliding member 3 are made of a material having holes and oil passages by casting using cast iron, and after the material is annealed, the holes are finished and polished. A hardened layer is formed on each slider by gas soft nitriding.
【００１５】このようであるから、鋳造で素材を製作す
ることによって各孔や油通路を中子にて容易に形成でき
るし、無駄となる素材の量が少なく、複雑な油通路など
も容易に形成できる。しかも、各孔はガス軟窒化によっ
て表面に硬化層が形成されているから、耐摩耗性が向上
すると共に、硬さも向上する。[0015] As described above, by manufacturing the material by casting, each hole and oil passage can be easily formed by the core, the amount of wasted material is small, and a complicated oil passage can be easily formed. Can be formed. Moreover, since a hardened layer is formed on the surface of each hole by gas nitrocarburizing, the wear resistance is improved and the hardness is also improved.
【００１６】以上の実施の形態では、ピストン摺動用孔
４と作業具摺動用孔９の両方をガス軟窒化処理したが、
作業具摺動用孔９は必ずしもガス軟窒化処理しなくとも
良い。この場合にはピストン摺動用部材２のみを炉内に
入れてガス軟窒化処理できるから、その作業がやり易
い。In the above embodiment, both the piston sliding hole 4 and the work implement sliding hole 9 are subjected to gas nitrocarburizing.
The working tool sliding hole 9 does not necessarily need to be subjected to the gas nitrocarburizing treatment. In this case, since only the piston sliding member 2 can be placed in the furnace and subjected to the gas nitrocarburizing process, the operation is easy.
【００１７】ところで、ガス軟窒化処理を行うと部材が
歪んでしまうことがある。この歪みを再度の仕上げ加工
等で希望する形状公差内に納めようとすると、ガス軟窒
化による硬化層を壊してしまうことになる。When the gas nitrocarburizing treatment is performed, the member may be distorted. If it is attempted to keep this distortion within the desired shape tolerance by finishing work again, the hardened layer due to gas nitrocarburization will be broken.
【００１８】そこで前述の焼き鈍し処理を、７００℃で
３．５時間保持後３５０℃まで炉内で冷却し、炉より取
り出した後に空冷の処理としても良い。このようにして
焼き鈍しすることでガス軟窒化処理前の内部応力（加
工、素材製作時に発生）が取り除かれる上に、ガス軟窒
化後の歪みが最小限となり、形状公差が優れたものとな
る。したがって、素材から機械加工する際には必須の最
終研磨工程の必要がなくなり、硬化層が残ったボディを
安価に製作できる。Therefore, the above-mentioned annealing treatment may be air-cooled after cooling at 350 ° C. in a furnace after holding at 700 ° C. for 3.5 hours and taking out from the furnace. By annealing in this way, the internal stress before the gas nitrocarburizing treatment (generated at the time of processing and material production) is removed, the distortion after gas nitrocarburizing is minimized, and the shape tolerance is improved. Therefore, there is no need for an essential final polishing step when machining from a material, and a body with a hardened layer remaining can be manufactured at low cost.
【００１９】なお、ボディ１を一体としても良い。The body 1 may be integrated.
【図１】本発明の実施の形態を示す振動発生装置の断面
図である。FIG. 1 is a cross-sectional view of a vibration generator according to an embodiment of the present invention.
１…ボディ ２…ピストン摺動用部材 ３…作業具摺動用部材 ４…ピストン摺動孔 ５…油通路 ９…作業具摺動孔 １０…ピストン １１…チゼル（作業具） DESCRIPTION OF SYMBOLS 1 ... Body 2 ... Piston sliding member 3 ... Work implement sliding member 4 ... Piston sliding hole 5 ... Oil passage 9 ... Work implement sliding hole 10 ... Piston 11 ... Chisel (work implement)
Claims (2)
るピストン摺動孔（４）と作業具が摺動自在に嵌挿され
る作業具摺動孔（９）を同心状に有し、かつ鋳造製であ
って、そのピストン摺動孔（４）にガス軟窒化処理によ
る硬化層が形成されていることを特徴とする振動発生装
置のボディ。1. A piston sliding hole (4) into which a piston (10) is slidably inserted and a working tool sliding hole (9) into which a working tool is slidably inserted are concentrically provided. A body of the vibration generator, which is made of casting and has a hardened layer formed by gas soft nitriding in the piston sliding hole (4).
ピストン摺動用部材（２）と、作業具摺動孔（９）を有
する鋳造製の作業具摺動用部材（３）が連結されている
請求項１記載の振動発生装置のボディ。2. A cast piston slide member (2) having a piston slide hole (4) and a cast work tool slide member (3) having a work tool slide hole (9) are connected. The body of the vibration generator according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10016729A JPH11207657A (en) | 1998-01-29 | 1998-01-29 | Body of vibration generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10016729A JPH11207657A (en) | 1998-01-29 | 1998-01-29 | Body of vibration generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11207657A true JPH11207657A (en) | 1999-08-03 |
Family
ID=11924362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10016729A Pending JPH11207657A (en) | 1998-01-29 | 1998-01-29 | Body of vibration generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11207657A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181579U (en) * | 1981-05-11 | 1982-11-17 | ||
| JPS63195408A (en) * | 1987-02-07 | 1988-08-12 | Mazda Motor Corp | Manufacture of connecting rod of engine |
| JPH0368787U (en) * | 1989-11-10 | 1991-07-08 | ||
| JPH0531566A (en) * | 1991-07-25 | 1993-02-09 | Mazda Motor Corp | Aluminum alloy-made casting and this manufacture |
| JPH0617883U (en) * | 1992-08-07 | 1994-03-08 | 義治 小刀禰 | Impact tool chisel |
| JPH06269926A (en) * | 1993-03-23 | 1994-09-27 | Eagle Ind Co Ltd | Manufacture of bit for excavation |
| JPH07506058A (en) * | 1992-04-29 | 1995-07-06 | アトラス・コプコ・ブレマ・アクチボラグ | fluid pressure break hammer |
| JPH09184058A (en) * | 1995-12-28 | 1997-07-15 | Dowa Mining Co Ltd | Steel with corrosion resistance and wear resistance and its production |
| JPH09308785A (en) * | 1996-05-22 | 1997-12-02 | Brother Ind Ltd | Looper mechanism for sewing machine |
-
1998
- 1998-01-29 JP JP10016729A patent/JPH11207657A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181579U (en) * | 1981-05-11 | 1982-11-17 | ||
| JPS63195408A (en) * | 1987-02-07 | 1988-08-12 | Mazda Motor Corp | Manufacture of connecting rod of engine |
| JPH0368787U (en) * | 1989-11-10 | 1991-07-08 | ||
| JPH0531566A (en) * | 1991-07-25 | 1993-02-09 | Mazda Motor Corp | Aluminum alloy-made casting and this manufacture |
| JPH07506058A (en) * | 1992-04-29 | 1995-07-06 | アトラス・コプコ・ブレマ・アクチボラグ | fluid pressure break hammer |
| JPH0617883U (en) * | 1992-08-07 | 1994-03-08 | 義治 小刀禰 | Impact tool chisel |
| JPH06269926A (en) * | 1993-03-23 | 1994-09-27 | Eagle Ind Co Ltd | Manufacture of bit for excavation |
| JPH09184058A (en) * | 1995-12-28 | 1997-07-15 | Dowa Mining Co Ltd | Steel with corrosion resistance and wear resistance and its production |
| JPH09308785A (en) * | 1996-05-22 | 1997-12-02 | Brother Ind Ltd | Looper mechanism for sewing machine |
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