CN102091954B - Fixture - Google Patents
Fixture Download PDFInfo
- Publication number
- CN102091954B CN102091954B CN 201110035694 CN201110035694A CN102091954B CN 102091954 B CN102091954 B CN 102091954B CN 201110035694 CN201110035694 CN 201110035694 CN 201110035694 A CN201110035694 A CN 201110035694A CN 102091954 B CN102091954 B CN 102091954B
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- CN
- China
- Prior art keywords
- base frame
- main base
- handle
- cylinder
- locking nut
- 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.)
- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a fixture, which comprises a main seat body and a U-shaped base, wherein the U-shaped base and the main seat body are fixed on a workbench; the upper part of the main seat body is provided with a cylinder with a central through hole; the tail end of the cylinder is connected with the U-shaped base; a cylindrical pull rod can axially move to pass through the central through hole; the front end of the cylindrical pull rod has external expanded taper and extends out of the cylinder to be positioned in front of the upper part of the main seat body; the front end of the cylindrical pull rod is sleeved with an expansion sleeve connected with locking mechanism; a positioning block is arranged on the edge of the upper part of the main seat body close to the expansion sleeve; the rear end of the cylindrical pull rod is provided with threads and extends out of the cylinder to be positioned in the middle of the U-shaped base; the thread part at the rear end of the cylindrical pull rod is connected with a nut; and a turning handle is connected outside the nut. The fixture can quickly and automatically position and clamp irregular workpieces with reference through holes.
Description
Technical field
The present invention relates to technical field of tooling clamps, especially a kind of automatically frock clamp of location of irregular workpiece that allows.
Background technology
Usually, irregular workpiece is carried out machined, generally will then utilize this datum level to position at datum level of workpiece processing first, the hole, end face etc. of reprocessing other need the part of processing; As shown in Figure 5, to process first a datum hole 100a, then utilize this datum hole 100a that workpiece 100 is positioned and clamps, in the situation that there is not special fixture, need by survey tool such as dial gauge, ruler etc. workpiece to be positioned first, and then utilize a plurality of fixture blocks that workpiece is clamped, the dimensional tolerance of the low and very difficult assurance workpiece of this mode of operation efficient.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of frock clamp, and it can make the fast automatic location of irregular workpiece and the clamping with benchmark through hole, can guarantee workpiece corresponding size tolerance.
For achieving the above object, technical scheme of the present invention is: a kind of frock clamp, comprise main base frame, the U shaped base, the U shaped base is fixed on the workbench upper surface, the main base frame bottom is fixed on the side of workbench, main base frame top is fitted in the workbench upper surface, main base frame top has one with the cylinder of central through hole, described cylindrical end is connected near main base frame one side with the U shaped base, one cylindrical pull bar can move axially and be arranged on the described cylindrical central through hole, be provided with positioning apparatus for circumferential direction between cylindrical pull bar and the cylinder, described cylindrical pull bar front end has abducent tapering and stretches out the front that described cylinder is in main base frame top, the front end sleeve of described cylindrical pull bar has an expansion sleeve, expansion sleeve connects the retaining mechanism that can make expansion sleeve move and lock expansion sleeve along cylindrical pull bar axis direction, near the expansion sleeve edge locating piece is set on main base frame top, the rear end of described cylindrical pull bar is provided with screw thread and stretches out cylinder and is in U shaped base middle part, the rear end threaded portion of described cylindrical pull bar connects a nut, at turning handle of the outside connection of nut.
Above-mentioned frock clamp, the retaining mechanism of described expansion sleeve comprises that one is enclosed within on the cylinder and with externally threaded locking nut, one with screwed hole of centre and be fixed on positioning disk on the main base frame, described positioning disk matches by the external screw thread of screwed hole of centre and locking nut, described locking nut rear end connects one can make locking nut rotate and fixing detent mechanism, described locking nut rear end connects one can make locking nut rotate and fixing detent mechanism, described locking nut front end connects a positioning disk, described positioning disk is enclosed within on the cylinder outer surface on main base frame top, described positioning disk tightens up with expansion sleeve mutually by a plurality of bolts that pass main base frame, described positioning disk with axial synchronizing moving radially in relative rotation mode be connected with the front end of locking nut.
Above-mentioned frock clamp, described detent mechanism comprises handle set, handle, alignment pin, and handle set is fixed on the locking nut outer surface, and handle is flexibly connected by Handle axis and handle set, also connect an alignment pin that is parallel to the locking nut axis on the handle, described positioning disk is provided with pin-and-hole.
Above-mentioned frock clamp, the bolt outer surface of described connection positioning disk and expansion sleeve is installed with fairlead.
Above-mentioned frock clamp, described cylindrical back end of tie rod has a push rod, and the removable U shaped base of being located at of push rod is away from main base frame one side, and the U shaped base is provided with nut away from main base frame one side, is provided with spring between described push rod and the nut.
Above-mentioned frock clamp is provided with a retaining washer and an adjustment packing ring between described nut and the cylinder end.
Above-mentioned frock clamp, an axis and the perpendicular through hole of cylindrical pull bar axis are arranged at described main base frame bottom, one top is that the cuboid bottom is that the cylindrical T shape of notch cuttype push rod is through on the through hole, the cylindrical end of described ladder type is provided with cam lock holding mechanism, also is provided with spring between T shape push rod notch cuttype cylinder and the cam lock holding mechanism.
Above-mentioned frock clamp, described cam lock holding mechanism comprises camshaft, camshaft holder, handle, handle set, handle is fixed on the handle set, handle set is connected with camshaft, camshaft is contained on the camshaft holder, and the bottom of camshaft holder and main base frame fixes, and camshaft strap cam part contacts setting with the cylindrical end of described T shape push rod notch cuttype.
The present invention utilizes expansion sleeve and positions near the locating piece of expansion sleeve edge setting and the datum hole of irregular workpiece on main base frame top, can utilize again the back-up block that connects on the T shape push rod cuboid that irregular workpiece is positioned with the end face that the datum hole axis parallels, its location makes things convenient for speed fast; The clamping of irregular workpiece utilizes cylindrical pull bar front end to have abducent tapering and makes the expansion sleeve expansion, rapid clamping work pieces, and efficient is high, and can guarantee the corresponding dimensional tolerance of workpiece.
Description of drawings
Fig. 1 is the cutaway view of the embodiment of the invention;
Fig. 2 is the left view of the embodiment of the invention;
Fig. 3 is the main base frame cutaway view of the embodiment of the invention;
Fig. 4 is the T shape push rod cutaway view of the embodiment of the invention;
Fig. 5 is the cutaway view of workpiece to be processed;
Fig. 6 is the top view of workpiece to be processed.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment the present invention is described in further detail.
Shown in Figure 1, a kind of frock clamp, comprise main base frame 1, U shaped base 2, the U shaped base is fixed on workbench 3 upper surfaces, main base frame 1 bottom is fixed on the side of workbench 3, main base frame 1 top is fitted in workbench 3 upper surfaces, main base frame 1 top has one with the cylinder 1a of central through hole, the end of cylinder 1a is connected near main base frame 1 one sides with U shaped base 2, a cylindrical pull bar 4 is through on the central through hole of cylinder 1a, there is a keyway 4a at cylindrical pull bar 4 middle parts, the feather key 5 short with the Length Ratio keyway length on the central through hole inner surface that is fixed on cylinder 1a matches, cylindrical pull bar 4 front ends have abducent tapering 4b and stretch out the front that described cylinder 1a is in main base frame 1 top, the front end sleeve of cylindrical pull bar 4 has an expansion sleeve 6, expansion sleeve 6 also connects a retaining mechanism 7 that can make expansion sleeve 6 move and can lock expansion sleeve 6 along cylindrical pull bar 4 axis directions, near expansion sleeve 6 edges a locating piece 8 is set on main base frame 1 top, the rear end of cylindrical pull bar 4 is threaded and stretches out the middle part that cylinder 1a is in U shaped base 2, the rear end of cylindrical pull bar 4 also connects a bull nut 9, at handle 10 that makes things convenient for 9 rotations of bull nut of bull nut 9 outside connections.
Retaining mechanism 7 comprises that one is enclosed within on the cylinder 1a and with externally threaded locking nut 71, one with screwed hole of centre and be fixed on positioning disk 72 on the main base frame 1, positioning disk 72 matches by the external screw thread of center screw thread and locking nut 71, locking nut 71 rear ends connect one can make locking nut rotate and fixing detent mechanism 73, locking nut 71 front ends connect a positioning disk 75, described positioning disk 75 is enclosed within on the cylinder 1a outer surface on main base frame 1 top, described positioning disk 75 tightens up with expansion sleeve 6 mutually by a plurality of bolts 74 that pass main base frame 1, and positioning disk 75 can mutually rotate and can be moved along locking nut 71 axis by locking nut 71 drives with the front end of locking nut 71.
Positioning disk 75 also can connect a terminal pad 76, and terminal pad 76 is connected with the outer surface of locking nut 71 can relatively rotate with the exterior face of locking nut 71 and can be driven by locking nut 71 and moves along locking nut 71 axis directions.
Detent mechanism 73 comprises handle set 731, handle 732, alignment pin 733, handle set 731 is fixed on locking nut 71 outer surfaces, handle 732 is flexibly connected by Handle axis 734 and handle set 731, also connect an alignment pin 733 that is parallel to locking nut 71 axis on the handle 732, on the positioning disk 72 pin-and-hole is arranged, rotate in Handle axis 734 by handle 731 and alignment pin 733 is matched with pin-and-hole on the positioning disk 72 or throw off.
There is a push rod 12 cylindrical pull bar 4 rear ends, and push rod 12 is through on the through hole of U shaped base 2 away from main base frame 1 one sides, and U shaped base 2 is provided with spring 14 away from also fixing a nut 13 on main base frame 1 one side through hole between push rod 12 and the nut 13.
Be provided with a retaining washer 15 and an adjustment packing ring 16 between bull nut 9 and the cylinder 1a end.
An axis and the perpendicular through hole 1c of cylindrical pull bar 4 axis are arranged in main base frame 1 bottom, it is that the cuboid bottom is that the cylindrical T shape of notch cuttype push rod 17 is through on the through hole 1c that a top is arranged, the cylindrical terminal cam lock holding mechanism 18 that connects of T shape push rod 17 notch cuttypes also is provided with spring 19 between T shape push rod 17 notch cuttype cylinders and the cam lock holding mechanism 18.
Cam lock holding mechanism 18 comprises camshaft 181, camshaft holder 182, handle 183, handle set 184, handle 183 is fixed on the handle set 184, handle set 184 is connected with camshaft 181, camshaft 181 is contained on the cam chair 182, cam chair 182 fixes with the bottom of main base frame 1, the cylindrical end of camshaft 181 strap cams part and T shape push rod 17 notch cuttypes near, be connected with back-up block 21 on the T shape push rod 17 cuboid 17b.
When the present invention uses, make first the alignment pin 733 of detent mechanism 73 break away from pin-and-hole on the positioning disks 72, utilize handle 732 rotation lock nuts 71, driving expansion sleeve 6 moves toward cylindrical pull bar 4 rear extreme directions, this moment, workpiece 100 just can conveniently be set on the expansion sleeve 6, handle 183 on the oscillating cam retaining mechanism 18, make back-up block 21 on the T shape push rod 17 cuboid 17b withstand the end face 100b of workpiece 100, the end face 100b of workpiece 100 is vertical with datum hole 100a, utilizing handle 10 to rotate bull nut 9 makes cylindrical pull bar 4 move toward the rear end, drive expansion sleeve 6 distending clamping work pieces 100, follow handle 732 backward rotation locking nuts 71, make expansion sleeve 6 drive workpiece 100 and move until the end face 100b of workpiece 100 contacts the location of finishing workpiece with locating piece 8 to cylindrical pull bar 4 rear ends, the dismounting of workpiece is carried out with the order opposite with abovementioned steps.
Below only be preferred embodiment of the present invention, the variation that those skilled in the art does to be equal to by claim all should fall into the protection domain of this case.
Claims (8)
1. frock clamp, comprise main base frame, the U shaped base, the U shaped base is fixed on the workbench upper surface, the main base frame bottom is fixed on the side of workbench, main base frame top is fitted in the workbench upper surface, main base frame top has one with the cylinder of central through hole, described cylindrical end is connected near main base frame one side with the U shaped base, it is characterized in that: a cylindrical pull bar can move axially and be arranged on the described cylindrical central through hole, be provided with positioning apparatus for circumferential direction between cylindrical pull bar and the cylinder, described cylindrical pull bar front end has abducent tapering and stretches out the front that described cylinder is in main base frame top, the front end sleeve of described cylindrical pull bar has an expansion sleeve, expansion sleeve connects the retaining mechanism that can make expansion sleeve move and lock expansion sleeve along cylindrical pull bar axis direction, near the expansion sleeve edge locating piece is set on main base frame top, the rear end of described cylindrical pull bar is provided with screw thread and stretches out cylinder and is in U shaped base middle part, the rear end threaded portion of described cylindrical pull bar connects a nut, at turning handle of the outside connection of nut.
2. frock clamp according to claim 1, it is characterized in that: the retaining mechanism of described expansion sleeve comprises that one is enclosed within on the cylinder and with externally threaded locking nut, one with screwed hole of centre and be fixed on positioning disk on the main base frame, described positioning disk matches by the external screw thread of screwed hole of centre and locking nut, described locking nut rear end connects one can make locking nut rotate and fixing detent mechanism, described locking nut rear end connects one can make locking nut rotate and fixing detent mechanism, described locking nut front end connects a positioning disk, described positioning disk is enclosed within on the cylinder outer surface on main base frame top, described positioning disk tightens up with expansion sleeve mutually by a plurality of bolts that pass main base frame, described positioning disk with axial synchronizing moving radially in relative rotation mode be connected with the front end of locking nut.
3. frock clamp according to claim 2, it is characterized in that: described detent mechanism comprises handle set, handle, alignment pin, handle set is fixed on the locking nut outer surface, handle is flexibly connected by Handle axis and handle set, also connect an alignment pin that is parallel to the locking nut axis on the handle, described positioning disk is provided with pin-and-hole.
4. frock clamp according to claim 2, it is characterized in that: the bolt outer surface of described connection positioning disk and expansion sleeve is installed with fairlead.
5. frock clamp according to claim 1, it is characterized in that: described cylindrical back end of tie rod has a push rod, the removable U shaped base of being located at of push rod is away from main base frame one side, and the U shaped base is provided with nut away from main base frame one side, is provided with spring between described push rod and the nut.
6. frock clamp according to claim 1 is characterized in that: be provided with a retaining washer and an adjustment packing ring between described nut and the cylinder end.
7. according to claim 1 to the described frock clamp of 6 each claims, it is characterized in that: an axis and the perpendicular through hole of cylindrical pull bar axis are arranged at described main base frame bottom, one top is that the cuboid bottom is that the cylindrical T shape of notch cuttype push rod is through on the through hole, the cylindrical end of described ladder type is provided with cam lock holding mechanism, also is provided with spring between T shape push rod notch cuttype cylinder and the cam lock holding mechanism.
8. frock clamp according to claim 7, it is characterized in that: described cam lock holding mechanism comprises camshaft, camshaft holder, handle, handle set, handle is fixed on the handle set, handle set is connected with camshaft, camshaft is contained on the camshaft holder, and the bottom of camshaft holder and main base frame fixes, and camshaft strap cam part contacts setting with the cylindrical end of described T shape push rod notch cuttype.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110035694 CN102091954B (en) | 2011-01-30 | 2011-01-30 | Fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110035694 CN102091954B (en) | 2011-01-30 | 2011-01-30 | Fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102091954A CN102091954A (en) | 2011-06-15 |
| CN102091954B true CN102091954B (en) | 2013-04-24 |
Family
ID=44125317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110035694 Expired - Fee Related CN102091954B (en) | 2011-01-30 | 2011-01-30 | Fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102091954B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4358460B2 (en) * | 2001-06-11 | 2009-11-04 | 日産ディーゼル工業株式会社 | Clamping device for milling |
| CN201143630Y (en) * | 2008-01-17 | 2008-11-05 | 大连机床集团有限责任公司 | Thin wall cover locating clamp device |
| CN201394742Y (en) * | 2009-03-24 | 2010-02-03 | 宝山钢铁股份有限公司 | Multifunctional drilling bench clamp |
| CN101579824B (en) * | 2009-04-01 | 2011-04-06 | 大连机床集团有限责任公司 | Automatic positioning cramping mechanism |
| CN201979316U (en) * | 2011-01-30 | 2011-09-21 | 晋江市威坦机械开发有限公司 | Fixture |
-
2011
- 2011-01-30 CN CN 201110035694 patent/CN102091954B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102091954A (en) | 2011-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SHUANGYANG MACHINERY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JINJIANG WEITAN MACHINERY DEVELOPMENT CO., LTD. Effective date: 20150429 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 362000 QUANZHOU, FUJIAN PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150429 Address after: 223900 Sihong Jiangsu machinery parts manufacturing industrial park, Ningbo Road, east side of the road Patentee after: JIANGSU SHUANGYANG MACHINERY SCIENCE & TECHNOLOGY CO., LTD. Address before: 362000 Fujian province Jinjiang Lingyuan street community water Patentee before: Jinjiang Weitan Machinery Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20150130 |
|
| EXPY | Termination of patent right or utility model |