JPS6427173U - - Google Patents
Info
- Publication number
- JPS6427173U JPS6427173U JP11829787U JP11829787U JPS6427173U JP S6427173 U JPS6427173 U JP S6427173U JP 11829787 U JP11829787 U JP 11829787U JP 11829787 U JP11829787 U JP 11829787U JP S6427173 U JPS6427173 U JP S6427173U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- variable
- variable chamber
- floating
- piston
- 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
- 238000003466 welding Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 2
Description
添付図面は本考案の実施例を示し、第1図は最
大離間位置を示す縦断平面図、第2図は中間離間
位置を示す縦断平面図、第3図は接触位置を示す
縦断平面図、第4図はエアーシリンダー装置10
の拡大縦断平面図である。また第5図は従来構成
のポータブルスポツト溶接機の横断平面図である
。
1a,1b……操作杆、4,4……電極対、1
0……主シリンダー装置、11……主シリンダー
、11a……天壁、11b……底壁、15……遊
動シリンダー、18……ピストン、19……ピス
トンロツド、30……第一可変室、31……第二
可変室、32……第三可変室、34……第四可変
室、36,37……エアー送給路、V1,V2…
…電磁弁、C……圧力制御機構、S……空気源。
The accompanying drawings show an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional plan view showing the maximum separation position, FIG. 2 is a longitudinal sectional plan view showing the intermediate separation position, FIG. 3 is a longitudinal sectional plan view showing the contact position, and FIG. Figure 4 shows the air cylinder device 10.
FIG. FIG. 5 is a cross-sectional plan view of a conventional portable spot welding machine. 1a, 1b... Operating rod, 4, 4... Electrode pair, 1
0... Main cylinder device, 11... Main cylinder, 11a... Top wall, 11b... Bottom wall, 15... Idle cylinder, 18... Piston, 19... Piston rod, 30... First variable chamber, 31 ...Second variable chamber, 32...Third variable chamber, 34...Fourth variable chamber, 36, 37...Air supply path, V1 , V2 ...
...Solenoid valve, C...Pressure control mechanism, S...Air source.
Claims (1)
の操作杆の先端に、夫々電極を設けるとともに、
該操作杆対の他端部間に駆動シリンダーを介装し
て、前記駆動シリンダーのピストンロツドの伸縮
作動により、前記電極対を離近制御するようにし
たものにおいて、 一方の操作杆に枢支された主シリンダー内に、
遊動シリンダーを収納し、さらに該遊動シリンダ
ー内に、他方の操作杆に枢支されたロツドに連結
されるピストンを配設して、遊動シリンダーとシ
リンダーの底壁間に第一可変室を、遊動シリンダ
ー内において該遊動の底壁とピストン間に第二可
変室を、ピストンと該遊動シリンダーの天壁間に
第三可変室を、該遊動シリンダーと主シリンダー
の天壁間に第四可変室を夫々形成し、 第一〜第四可変室を圧力制御機構を介して、夫
々圧力源と連通するようにし、前記第一、第四可
変室は、圧力制御機構の切換弁によつて、いずれ
か一方が圧力源と連通するときには、他方は開放
状態に変換制御されるようにした ことを特徴とするポータブルスポツト溶接機。 2 前記ピストンロツドに、第二可変室と連通す
る圧力流体の送給路と、第三可変室と連通する圧
力流体の送給路とを夫々形成したことを特徴とす
る実用新案登録請求の範囲第1項記載のポータブ
ルスポツト溶接機。[Claims for Utility Model Registration] 1. Electrodes are provided at the tips of a pair of operating rods that are pivotally connected on the inside by a support shaft, and
A driving cylinder is interposed between the other ends of the pair of operating rods, and the pair of electrodes is controlled to move away from each other by the expansion and contraction operation of the piston rod of the driving cylinder, wherein the electrode pair is pivotally supported on one of the operating rods. inside the main cylinder,
A first variable chamber is arranged between the floating cylinder and the bottom wall of the cylinder by accommodating a floating cylinder, and further disposing a piston connected to a rod pivotally supported on the other operating rod in the floating cylinder. In the cylinder, a second variable chamber is provided between the floating bottom wall and the piston, a third variable chamber is provided between the piston and the top wall of the floating cylinder, and a fourth variable chamber is provided between the floating cylinder and the top wall of the main cylinder. The first to fourth variable chambers are connected to a pressure source through a pressure control mechanism, and the first and fourth variable chambers are connected to one of the first to fourth variable chambers by a switching valve of the pressure control mechanism. A portable spot welding machine characterized in that when one side is in communication with a pressure source, the other side is controlled to be converted to an open state. 2. Claim No. 2 of the utility model registration, characterized in that the piston rod is provided with a pressure fluid supply passage communicating with the second variable chamber and a pressure fluid supply passage communicating with the third variable chamber. Portable spot welding machine according to item 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11829787U JPH0340465Y2 (en) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11829787U JPH0340465Y2 (en) | 1987-07-31 | 1987-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6427173U true JPS6427173U (en) | 1989-02-16 |
JPH0340465Y2 JPH0340465Y2 (en) | 1991-08-26 |
Family
ID=31362526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11829787U Expired JPH0340465Y2 (en) | 1987-07-31 | 1987-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0340465Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0391188U (en) * | 1989-12-28 | 1991-09-17 |
-
1987
- 1987-07-31 JP JP11829787U patent/JPH0340465Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0391188U (en) * | 1989-12-28 | 1991-09-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0340465Y2 (en) | 1991-08-26 |