CN2467265Y - Gripping head - Google Patents
Gripping head Download PDFInfo
- Publication number
- CN2467265Y CN2467265Y CN 01210803 CN01210803U CN2467265Y CN 2467265 Y CN2467265 Y CN 2467265Y CN 01210803 CN01210803 CN 01210803 CN 01210803 U CN01210803 U CN 01210803U CN 2467265 Y CN2467265 Y CN 2467265Y
- Authority
- CN
- China
- Prior art keywords
- frame
- screw
- guide rail
- hole
- utility
- 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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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a clamping head. The utility model is characterized in that the clamping head is approximate to a C shape; a clamped boss and a born body form a groove; the groove is provided with a through hole; the interior of the groove is provided with a positioning screw; the boss part of the lower end is provided with a through hole; the interior of the through hole is provided with a clamping screw. The clamping force of the utility model is higher than the combination of the pressing plate and the screw, the adjusting operation of the edge machine frame is simplified, and the stability and the reliability of the rib in the cold bending is ensured.
Description
The utility model relates to the chuck technical field of fixed frame guide rail and support, the specifically a kind of fixed frame guide rail in cold-frame bender and the section bar cold-bending processing equipment and chuck of support of being mainly used in.
Cold-frame bender peculiar to vessel of the prior art mostly is provided with three frames, promptly a mid frame and two limit frames are provided with crooked central bearing point on mid frame, are provided with the limit fulcrum on the frame of limit, form in the process of three bending fulcrums at bent frame, mid frame maintains static, and two limit frames move forward and backward simultaneously, or two limit frames maintain static, mid frame moves forward and backward, along with rib is sent to piecemeal, rib is carried out bending piecemeal, finish the bending forming processing of whole root bone at last.Because varying in size of rib, require the distance of two limit fulcrums also different, so the fixed limit of mid frame frame laterally moves about also needing, thereby moving forward and backward of needing in the time of should supplying with limit buckling of frame rib require to be set between limit frame and frame guide rail, the cross guide rail of limit frame move left and right of needs when regulating the limit pivot distance is provided again, if the mid frame movable type, can omit cross guide rail, still horizontal moving guide rail need be set but will regulate the limit pivot distance; In the frame bending process, bending along with rib, rib will form cross component force F to the reaction force (being the active force of rib opposite side fulcrum) of principal curvature power P, and F power will increase along with the continuous increase of the rate of curving, this F power finally needs to come balance by the guide rail of limit frame and the clamping frictional force f suction square M between the frame guide rail, frictional force f equals side force F, but direction is opposite, moment M equals the tilting moment Fh of side force F, because moment M is very big, so cross guide rail for the limit frame, or the cross slide way of only establishing and the connection request between the support are very high, both required often to move, requirement can be fastenedly connected soon mutually again, in the prior art as shown in drawings, L shaped pressing plate 10 commonly used fixes, when limit frame need are mobile, unclamp each screw 9 and 11 earlier, after the limit frame moves into place, basic and the cross guide rail of the L shaped pressing plate that earlier slightly tight each screw 9 makes both sides is fixed, tighten each screw 11 then, make between cross guide rail and the frame guide rail vertically, tighten each screw 9 more energetically, thereby make L shaped pressing plate compress frame guide rail, its process is complicated, and its power that compresses born by screw 9 tensions, so need the screw that is provided with bigger, more.
The purpose of this utility model is to provide a kind of chuck, its simplified operation.
The technical solution of the utility model is achieved in that a kind of chuck, it mainly comprises main body and the boss of clamping and dog screw, the chucking screw of setting of load, it is characterized in that: described chuck is approximate c-shaped, form groove between the boss of clamping and the main body of load, be provided with through hole at groove, dog screw is housed in through hole, is provided with through hole, the chucking screw is housed in through hole at the boss place of lower end.
Chucking power of the present utility model is much higher than the combination of pressing plate and screw, has simplified the adjusting operation of limit frame, guarantees reliable and stable in the rib clod wash.
Fig. 1 is the front view of prior art
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the stressed schematic diagram of limit frame and mid frame in the frame bending
Fig. 4 is the utility model and the schematic diagram that cooperates of frame
Fig. 5 is the pressing plate of prior art and the schematic diagram that cooperates of frame
Fig. 6 is a structural representation of the present utility model
The utility model will be further described below in conjunction with drawings and Examples.
The utility model mainly comprises main body 14 and the boss 15 of clamping and dog screw, the chucking screw of setting of load, it is different from prior art and is: described chuck is approximate c-shaped, form groove between the boss 15 of clamping and the main body 14 of load, be provided with through hole 16 at groove, dog screw 8 is housed in through hole 16, boss 15 places in the lower end are provided with through hole, chucking screw 10 is housed in through hole, in the enforcement in order to increase the contact-making surface of pinching screw and guide rail, it is more firm that chuck is held guide rail, is provided with fixture block 9 at the ailhead place of chucking screw 10; Mark 1 in the accompanying drawing is a cross guide rail, mark 2 is the right frame, mark 3 is a mid frame, mark 4 is a left frame, mark 5 is a frame guide rail, mark 6 is at bent frame, mark 7 is a chuck, mark 12 is a housing screw, and mark 13 is the pressing plate dog screw, reserves a step for the chuck clamping at the cross guide rail place during use, the C clamp head for good and all is fixed on the cross guide rail by screw, fixing between cross guide rail and the frame guide rail 5 held out against by screw 9, and the tilting moment M of limit frame is then born by the middle waist of C clamp head, because the C clamp head is made by the monoblock forged steel, its chucking power is much higher than the combination of L shaped pressing plate and screw, the bottom portion of groove of control C clamp head and the fit tolerance of frame guide rail two sides make cross guide rail be in the state vertical with frame guide rail all the time during making, make cross guide rail regulate vertical operation with frame guide rail so can save, in the adjustment process of limit frame, only requiring that several screws 9 unclamp and tighten gets final product, simple and efficient to handle, dependable performance.
Claims (2)
1, a kind of chuck, it mainly comprises main body and the boss of clamping and dog screw, the chucking screw of setting of load, it is characterized in that: described chuck is approximate c-shaped, form groove between the boss of clamping and the main body of load, be provided with through hole at groove, dog screw is housed in through hole, is provided with through hole, the chucking screw is housed in through hole at the boss place of lower end.
2, by the described a kind of chuck of claim 1, it is characterized in that: the ailhead place at the chucking screw is provided with fixture block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01210803 CN2467265Y (en) | 2001-02-28 | 2001-02-28 | Gripping head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01210803 CN2467265Y (en) | 2001-02-28 | 2001-02-28 | Gripping head |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2467265Y true CN2467265Y (en) | 2001-12-26 |
Family
ID=33630297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 01210803 Expired - Fee Related CN2467265Y (en) | 2001-02-28 | 2001-02-28 | Gripping head |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2467265Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102632121A (en) * | 2012-04-12 | 2012-08-15 | 中船澄西船舶修造有限公司 | Adjustable trolley of cold frame bending machine |
CN103537657A (en) * | 2013-10-16 | 2014-01-29 | 沈佰聪 | Precision casting sprue cutting machine |
-
2001
- 2001-02-28 CN CN 01210803 patent/CN2467265Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102632121A (en) * | 2012-04-12 | 2012-08-15 | 中船澄西船舶修造有限公司 | Adjustable trolley of cold frame bending machine |
CN102632121B (en) * | 2012-04-12 | 2013-05-01 | 中船澄西船舶修造有限公司 | Adjustable trolley of cold frame bending machine |
CN103537657A (en) * | 2013-10-16 | 2014-01-29 | 沈佰聪 | Precision casting sprue cutting machine |
CN103537657B (en) * | 2013-10-16 | 2016-03-02 | 沈伯聪 | Hot investment casting gate cutting machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |