JPS6048242A - Clamping device for positioning of work changing pallet in machine tool - Google Patents
Clamping device for positioning of work changing pallet in machine toolInfo
- Publication number
- JPS6048242A JPS6048242A JP15427983A JP15427983A JPS6048242A JP S6048242 A JPS6048242 A JP S6048242A JP 15427983 A JP15427983 A JP 15427983A JP 15427983 A JP15427983 A JP 15427983A JP S6048242 A JPS6048242 A JP S6048242A
- Authority
- JP
- Japan
- Prior art keywords
- pallet
- positioning
- support member
- positioning support
- machine tool
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000007723 transport mechanism Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
- B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
- B23Q7/1431—Work holder changers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Feeding Of Workpieces (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、ワーク交換用パレットを工作機械のテーブ
ル上に位置決め固定する装置の改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a device for positioning and fixing a workpiece exchange pallet on a table of a machine tool.
」１記装置としては、本発明者は本発明に先立って、第
５図に示すものを考えた。即ち、工作機械のテーブル１
上に補助テーブル４０を取付け、こ２−
の補助テーブル４０に、パレット支持台４１、案内レー
ル４２、走行レール４３、ストッパー４４、」１下出退
自在な一対の位置決め用金枠４５、クランプ機構４６等
を装備し、他方、上面にワークを適宜クランプ機構でセ
ット固定するパレット２の底面には前記案内レール・１
２及びクランプ機構４６のクランプアーム４６ａに係合
するＴ型溝４７、走行レール４３に作用するバネ支持車
輪を内装した角溝４８、及び金枠４５に対応する金枠穴
４９を設け、パレット２を補助テーブル４０の前方から
案内レール４２及び角溝４８を介して案内搬入したのち
金枠式位置決め手段４５・４９で平面的な位置決めを行
い、Ｔ型溝４７に係合するクランプアーム４６ａを引下
げて、パレット２を補助テーブル４０−トに固定する構
造のものである。1. Prior to the present invention, the inventor considered the device shown in FIG. 5 as the device described in item 1. That is, table 1 of the machine tool
An auxiliary table 40 is attached on top, and this auxiliary table 40 is equipped with a pallet support base 41, a guide rail 42, a running rail 43, a stopper 44, a pair of positioning metal frames 45 that can be moved downwards and downwards, and a clamp mechanism. 46, etc., and on the other hand, the guide rail 1 is installed on the bottom surface of the pallet 2, on which workpieces are appropriately set and fixed by a clamp mechanism.
2 and a T-shaped groove 47 that engages with the clamp arm 46a of the clamp mechanism 46, a square groove 48 containing a spring support wheel that acts on the traveling rail 43, and a metal frame hole 49 that corresponds to the metal frame 45. is guided in from the front of the auxiliary table 40 via the guide rail 42 and the square groove 48, and then positioned in a plane using the metal frame type positioning means 45 and 49, and the clamp arm 46a that engages with the T-shaped groove 47 is pulled down. The structure is such that the pallet 2 is fixed to an auxiliary table 40.
しかし、この従来装置においては、パレットを工作（幾
械のテーブル」二に固定するための補助テーブルが必要
であるとともに、パレット自体の底面にもＴ型溝、走行
機構を内装した角溝、及び高精度の金枠穴、等の加工が
必要であり、構造が複雑３−
で高価についていた。However, in this conventional device, an auxiliary table is required to fix the pallet to the machine table (2), and the bottom of the pallet itself also has a T-shaped groove, a square groove with a running mechanism inside, and High-precision machining of metal frame holes, etc. was required, making the structure complex and expensive.
この発明は、ワーク交換用パレットを補助テーブルを用
いることなく工作機械のテーブルに直接固定できるよう
にして構造の簡素化を図るとともに、金枠位置決め方式
に代えて平面的な接当式の位置決め及びクランプ方式を
採用することで、パレットへの位置決め用及びクランプ
用の特別な加″工を廃止し、もってパレッ）・を構造簡
単で安価なものに構成することがで終るパレットの位置
決め固定装置を提供することを目的とする。This invention simplifies the structure by allowing a workpiece exchange pallet to be fixed directly to the table of a machine tool without using an auxiliary table, and also uses a flat contact type positioning method instead of a metal frame positioning method. By adopting the clamp method, we have created a pallet positioning and fixing device that eliminates special machining for positioning and clamping the pallet, resulting in a pallet with a simple and inexpensive structure. The purpose is to provide.
以下、この発明の実施例を図面に基づいて説明する。Embodiments of the present invention will be described below based on the drawings.
第１図及び第２図に示すように、切削、研削、又はその
他の金属加工を行なう工作機械Ｍの左右駆動型テーブル
１の前部には、２台のワーク交換用パレット２・２を左
右並列搭載可能なパレット搬送台車３がレール４・４に
沿って左右に往復移動可能に設置されるとともに、テー
ブル１と搬送台車３の中間には中継台５が固設されてお
り、搬送台車３」二でパレット２に多数のワークを適宜
ク４−
ランプ手段（図示せず）でセット固定したのち、このパ
レット２を中継台５を介してテーブル１上に搬入し後述
する位置決め固定装置で固定して工作し、その後に、加
工処理ずみのパレット２をテーブル１」二から前方に搬
出して搬送台車３に戻すとともに、新しいパレット２を
同様に搬入セットする構造となっている。As shown in Figs. 1 and 2, two workpiece exchange pallets 2, 2 are installed at the front of a left-right drive table 1 of a machine tool M that performs cutting, grinding, or other metal processing. A pallet carrier 3 that can be loaded in parallel is installed so as to be movable left and right along rails 4, 4, and a relay stand 5 is fixedly installed between the table 1 and the carrier 3. At step 2, a large number of workpieces are appropriately set and fixed on the pallet 2 using a clamp means (not shown), and then the pallet 2 is carried onto the table 1 via the transfer table 5 and fixed using a positioning and fixing device to be described later. After that, the processed pallet 2 is carried forward from the table 1'2 and returned to the carrier 3, and a new pallet 2 is similarly carried in and set.
搬送台車３上の左右に形成された２面のパレット搭載部
３Ａ、３Ｂには左右一対づつのローラ搬送機構６・６及
びパレットガイド７・・が設けられるとともに、中継台
５にも同様なローラ搬送機構８命８及びパレットガイド
９・９が設けられ、がっ、テーブル１上には昇降自在な
左右一対のローラ搬送機構１０・１０が設置され、これ
らローラ搬送機構６．８．１０を介してパレット２を搬
送台車３とテーブル１との間で軽快に転勤移送できるよ
うに構成されている。The two pallet mounting parts 3A and 3B formed on the left and right sides of the transport vehicle 3 are provided with a pair of roller transport mechanisms 6, 6 and pallet guides 7 on the left and right sides, and the relay table 5 is also provided with similar rollers. A transport mechanism 8 and pallet guides 9, 9 are provided, and a pair of left and right roller transport mechanisms 10, 10, which can be raised and lowered freely, are installed on the table 1. The pallet 2 is configured to be easily transferred between the carrier 3 and the table 1.
テーブル１の上面に形成された多数のＴ型溝１１・・に
は位置決め固定装置を構成する各種部材が装着されてい
る。Various members constituting a positioning and fixing device are attached to a large number of T-shaped grooves 11 formed on the upper surface of the table 1.
５一
つまり、テーブル１の奥部には、パレット２の奥側辺２
ａを受け止める左右一対の位置決め支持部材１２・１２
が、又、テーブル１の左側箇所には、パレット２の左側
辺２ｂを受止める前後一対の支持部材１３・１３が夫々
固定されている。これら支持部材１２．１３は、第３図
及び第４図に示すようにポル）１４．１５及びナツトブ
ロック１６．１７を介してＴ型溝１１己固定されるベー
スブロック１．２ａ、１３ａとボルト１８．１９の締込
み調節によってテーパーカム式に微量出退調節自在なス
トッパー１２１）、１３１）から夫々構成されるととも
に、ベースブロック１２ａ、１３ａの先端上面はパレッ
ト２を一定レベルに受止める載置面２０．２１に構成さ
れている。5 - In other words, the back side 2 of the pallet 2 is in the back of the table 1.
A pair of left and right positioning support members 12 for receiving a
However, a pair of front and rear support members 13 for receiving the left side 2b of the pallet 2 are fixed to the left side of the table 1, respectively. These support members 12.13 are connected to base blocks 1.2a, 13a and bolts to which the T-shaped groove 11 is fixed via poles 14.15 and nut blocks 16.17, as shown in FIGS. 3 and 4. Each stopper 121), 131) is configured with a tapered cam type and can be adjusted to extend or retract by a small amount by adjusting the tightening of 18 and 19, and the top surfaces of the tips of the base blocks 12a, 13a are placed to receive the pallet 2 at a constant level. It is configured in plane 20.21.
又、テーブル１の右側箇所にはパレット２の右側辺２ｃ
に作用する前後一対のクランプ機構２２・２２が更にテ
ーブル１の前部にはパレット２の前側辺２ｄに作用する
左右一対のクランプ機構２３・２３が夫々装備されてい
る。In addition, the right side 2c of pallet 2 is placed on the right side of table 1.
A pair of front and rear clamp mechanisms 22, 22 that act on the front side 2d of the pallet 2 are further provided at the front of the table 1, and a pair of left and right clamp mechanisms 23, 23 that act on the front side 2d of the pallet 2, respectively.
側部クランプ機構２２は、第３図に示すように、６−
ボルト２４及びナツトブロック２５を用いてＴ型溝１］
に固定されるシリンダボデー２２ａに油圧突出駆動及び
バネ引退されるプッシャー２２１）を斜め下方に突出移
動するよう組込んで構成されたものであり、かつ、ボデ
ー２２ａの先端に前記支持部材１２．１３のパレット載
置面２０．２１と同一レベルのパレット載置面２６が形
成されている。The side clamping mechanism 22, as shown in FIG.
The cylinder body 22a is fixed to the cylinder body 22a, and a pusher 221) which is hydraulically protrudingly driven and retracted by a spring is incorporated so as to protrude diagonally downward. A pallet mounting surface 26 is formed at the same level as the pallet mounting surface 20.21.
又、前部クランプ機構２３は、ボルト２７及びナツトブ
ロック２８を介してＴ型溝１１に固定されるベースブロ
ック２３ａと、このブロック２３ａの上面に形成した左
右Ｔ型溝２９に沿ってスライド自在なシリンダボデー２
３１）とこれに組み込まれた油圧突出駆動及びバネ引退
式のプッシャー２３ｃとから成り、かつ、ベースブロッ
ク２３ａの上面は前記各パレット載置面２０．２１．２
６と同一レベルのパレット載置面３０に形成されている
。そして、各ブロックボデー２３１）はパレット２の前
後移動軌跡よりも横外側方に外れた引退位置までスライ
ド移動して、パレット２のテープ７−
ル１上への搬入搬出が可能に構成されている。Further, the front clamp mechanism 23 includes a base block 23a fixed to the T-shaped groove 11 via a bolt 27 and a nut block 28, and a base block 23a that is slidable along left and right T-shaped grooves 29 formed on the upper surface of this block 23a. cylinder body 2
31) and a hydraulic protrusion drive and spring retraction type pusher 23c incorporated therein, and the upper surface of the base block 23a is the pallet mounting surface 20.21.2.
It is formed on the pallet mounting surface 30 at the same level as 6. Each block body 231) is configured to slide to a retiring position laterally outward from the front-rear movement locus of the pallet 2, allowing the pallet 2 to be carried in and out of the tape 7-1. .
又、テーブル１の中央部には、前記各載置面２０．２１
．２６、及び３０と同一レベルのレベルブロック３１・
３１がボルトとナツトブロックを用いて固定されている
。Further, in the center of the table 1, each of the mounting surfaces 20 and 21 is provided.
．． Level block 31 and the same level as 26 and 30.
31 is fixed using bolts and nut blocks.
尚、パレット２の奥側辺２ａ及び横側辺２ｂを接当位置
決めする奥部位置決め支持部材１２及び側部位置決め支
持部材１３の接当位置微調節手段は、実施例に示したテ
ーパーカム利用構造の他、いかなる形態のものを利用し
てもよく、簡易にはストッパーボルトでパレット側辺を
直接接当支持させてもよい。又、側部クランプ機構２２
及び前部クランプ機構２３の具体的構成も任意に選択自
在であり、要は、パレット２の側辺２ｃ及び２ｄを支持
して対向する位置決め支持部材１３、コ２側に押圧クラ
ンプできればよく、更にパレット２を下方に抑圧できれ
ば理想的である。The contact position fine adjustment means of the back positioning support member 12 and the side positioning support member 13 for positioning the back side 2a and the side side 2b of the pallet 2 in contact with each other has the structure using the taper cam shown in the embodiment. In addition, any other form may be used, and simply a stopper bolt may be used to directly contact and support the side of the pallet. Moreover, the side clamp mechanism 22
The specific configuration of the front clamping mechanism 23 can also be selected arbitrarily; in short, it is sufficient that the side sides 2c and 2d of the pallet 2 can be supported and the opposing positioning support members 13 and 2 can be pressed and clamped. It would be ideal if the pallet 2 could be suppressed downward.
又、前部クランプ機構２３をスライド横移動させるのに
、人力、流体圧シリンダ、電動モータ、チェーン等の機
械的駆動機構、等を必要に応じて８−
任意に選択すればよい。Further, in order to slide and move the front clamp mechanism 23 laterally, human power, a fluid pressure cylinder, an electric motor, a mechanical drive mechanism such as a chain, etc. may be arbitrarily selected as necessary.
（イ）従来のように補助テーブルを用いないので、構造
的に簡単となり安価に実施でとる。(a) Since an auxiliary table is not used as in the conventional method, the structure is simple and can be implemented at low cost.
（ロ）パレットの隣接する三側辺を奥部位置決め支持部
材と側部位置決め支持部材で接当支持した」二で、側部
クランプ機構と前部クランプ機構でパレットの他の三側
辺を位置決め支持部材に押圧クランプする構造としたの
で、パレット自体には特別に金枠穴やクランプ用溝など
を形成する必要がなく、パレットを構造簡単で安価に構
成することができる。(b) The three adjacent sides of the pallet are abutted and supported by the back positioning support member and the side positioning support member. 2) The other three sides of the pallet are positioned using the side clamp mechanism and front clamp mechanism. Since the pallet is configured to be press-clamped to the support member, there is no need to specially form metal frame holes or clamping grooves on the pallet itself, and the pallet can be constructed with a simple structure and at low cost.
（ハ）前部クランプ機構を側方にスライド退避可能とし
たので、パレットをテーブルの前部から載置搬送機構を
用いて簡単かつ迅速に搬入搬出することかできなが呟テ
ーブル上のパレットをその前部にスライド復帰移動させ
た前部クランプ機構で簡単にクランプすることかでと、
テーブル上のパレットを正羅な位置９−
決めのもとて強力確実にセット固定することが可能とな
り、ワーク交換時間を短縮して作業能率を向上する上に
有効である。(c) Since the front clamp mechanism can be slid to the side and retracted, pallets can be easily and quickly loaded and unloaded from the front of the table using the loading/transfer mechanism. It can be easily clamped with the front clamp mechanism that slides back to the front.
It becomes possible to firmly and securely set and fix the pallet on the table at a precise position, which is effective in shortening workpiece exchange time and improving work efficiency.
図面は本発明の実施例を示し、第１図は全体の斜視図、
第２図は全体平面図、第３図は要部の縦断正面図、第４
図は要部の一部切欠ぎ側面図、第５図は従来装置の斜視
図である。
１・・・テーブル、２・・・ワーク交換用パレット、２
ａ・・・パレットの奥側辺、２ｂ ・２ｃ・・・パレッ
トの横側辺、２ｄ・・・パレットの前側辺、１０・・・
搬送機構、１２・・・奥部位置決め支持部材、１３・・
・側部位置決め支持部材、２２・・・側部クランプ機構
、２３・・・前部クランプ機構。
１０−The drawings show embodiments of the present invention, and FIG. 1 is an overall perspective view;
Figure 2 is an overall plan view, Figure 3 is a longitudinal sectional front view of main parts, and Figure 4 is a front view of the main part.
The figure is a partially cutaway side view of the main part, and FIG. 5 is a perspective view of the conventional device. 1...Table, 2...Pallet for work replacement, 2
a... Back side of the pallet, 2b ・2c... Side side of the pallet, 2d... Front side of the pallet, 10...
Conveyance mechanism, 12... Inner positioning support member, 13...
- Side positioning support member, 22... Side clamp mechanism, 23... Front clamp mechanism. 10-
Claims (1)
ト２を前後水平方向に載置搬入搬出するパレット搬送機
構１０、搬入されたパレット２をテーブル上の一定レベ
ルに載置支持するとともにパレット奥側辺２ａ及び一方
の横側辺２１）を位置決め接当支持する奥部位置決め支
持部材１２及び側部位置決め支持部材１３、パレット２
をテーブル上の前記一定レベルに載置支持するとともに
パレット２の他方の横側辺２ｃ及び前側辺２ｄを対向す
る側部位置決め支持部材］２及び奥部位置決め支持部材
１３側に向けて押圧クランプする側部クランプ機構２２
及び前部クランプ機構２３を、夫々取付け、かつ、前記
前部クランプ機構２３を、所定クランプ位置とパレット
搬入搬出１− 軌跡の横外側方に外れた退避位置に亘ってスライド移動
自在に構成したことを特徴とする工作機械におけるワー
ク交換用パレットの位置決め固定装置 ２、特許請求の範囲第１項に記載した装置において、奥
部位置決め支持部材１２及び側部位置決め支持部材１３
のパレット接当支持位置を微調節可能に構成しであるも
の ３、特許請求の範囲第１項又は第２項に記載した装置に
おいて、側部クランプ（幾構及び前部クランプ機構は、
流体圧によって斜め下方に駆動移動するプッシャーでパ
レット側面を押圧するよう構成したもの[Claims] 1. A pallet transport mechanism 10 for loading and unloading a pallet 2 for workpiece exchange in the front and back horizontal directions on a table 1 of a machine tool; A back positioning support member 12 and a side positioning support member 13 that position and support the pallet back side 2a and one side side 21), and the pallet 2
is placed and supported at the above-mentioned constant level on the table, and the other side side 2c and front side 2d of the pallet 2 are pressed and clamped toward the opposing side positioning support member] 2 and inner positioning support member 13. Side clamp mechanism 22
and a front clamping mechanism 23, respectively, and the front clamping mechanism 23 is configured to be slidable between a predetermined clamping position and a retracted position located laterally outward of the pallet loading/unloading 1- trajectory. A positioning and fixing device 2 for a pallet for workpiece exchange in a machine tool, as set forth in claim 1, characterized in that: an inner positioning support member 12 and a side positioning support member 13;
3. In the device according to claim 1 or 2, the pallet abutting support position of the pallet can be finely adjusted.
A pusher that is driven diagonally downward by fluid pressure and is configured to press against the side of the pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15427983A JPS6048242A (en) | 1983-08-23 | 1983-08-23 | Clamping device for positioning of work changing pallet in machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15427983A JPS6048242A (en) | 1983-08-23 | 1983-08-23 | Clamping device for positioning of work changing pallet in machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6048242A true JPS6048242A (en) | 1985-03-15 |
| JPS6328740B2 JPS6328740B2 (en) | 1988-06-09 |
Family
ID=15580679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15427983A Granted JPS6048242A (en) | 1983-08-23 | 1983-08-23 | Clamping device for positioning of work changing pallet in machine tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6048242A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01164041U (en) * | 1988-04-30 | 1989-11-15 | ||
| US5239851A (en) * | 1989-05-31 | 1993-08-31 | Hitachi, Ltd. | Rolling method of multi-high rolling mill for obtaining accurate sheet crown |
-
1983
- 1983-08-23 JP JP15427983A patent/JPS6048242A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01164041U (en) * | 1988-04-30 | 1989-11-15 | ||
| US5239851A (en) * | 1989-05-31 | 1993-08-31 | Hitachi, Ltd. | Rolling method of multi-high rolling mill for obtaining accurate sheet crown |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6328740B2 (en) | 1988-06-09 |
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