CN201711791U - Clamp for machining of elbow with large diameter - Google Patents
Clamp for machining of elbow with large diameter Download PDFInfo
- Publication number
- CN201711791U CN201711791U CN2010202899372U CN201020289937U CN201711791U CN 201711791 U CN201711791 U CN 201711791U CN 2010202899372 U CN2010202899372 U CN 2010202899372U CN 201020289937 U CN201020289937 U CN 201020289937U CN 201711791 U CN201711791 U CN 201711791U
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- elbow
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- lower plate
- machine work
- clamping tool
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Abstract
The utility model discloses a clamp for machining of elbow with large diameter which adopts a surface contact clamping manner and includes three elbow locating blocks to realize clamping location, each having a circular arc surface and a diameter equal to the outside diameter of the elbow. Two of the three elbow locating blocks are arranged at the sides of the outer arc of the elbow while the rest one is capable of being regulated and capable of moving in the location slot and limits from the side of the inner arc of the elbow the radial direction and the axial movements of the elbow so as to regulate, fasten, as well as detach workpieces. The clamp of the utility model has a good clamping function while precisely locating the workpiece needing clamping in a very fast manner without causing damage to the workpiece; thereby, a lot of time devoted to the clamping is saved and the working efficiency is improved as well; at the same time, the processing precision, the smoothness of the end face, the quality, the precision and production efficiency of the products are all greatly increased.
Description
Technical field
The utility model relates to a kind of clamping tool for machine work, especially is particularly related to a kind of large caliber bend clamping tool for machine work.
Background technology
Port to large caliber bend carries out machining, owing to be subjected to the processing conditions and the high-precision requirement of elbow end face groove of lathe self, needs to carry out on milling-boring machine.Because the appearance profile of elbow is a circular arc, the clamping location of elbow is difficulty relatively.Chinese patent 200920218022.X discloses a kind of elbow groove anchor clamps, these elbow groove anchor clamps comprise beveling machine base (1), one group of dovetail mount (2) is installed on the described beveling machine base (1), dovetail mount (2) is inboard to be fixed with one group of fixed head (4) by fastening bolt (3), and it is " V " font jig A (5) and " V " font jig B (6) that fixed head (4) inboard is fixed with inner surface respectively by bolt.Be elbow to be stuck on " V " font jig A (5) and " V " font jig B (6) during use." V " font jig that this kind anchor clamps use still is difficult to effective clamping for elbow, and easily causes workpiece to damage, mounting or dismounting inconvenience.
As seen, because the appearance profile of elbow is a circular arc, the clamping location difficulty of elbow, particularly for large caliber bend, because elbow appearance and size is bigger, and the dimensioned precision height of elbow, according to traditional machining clamping method, elbow end face after the machine-shaping is difficult to guarantee smooth, and machining angle is difficult to meet the demands, and does not all reach more satisfactory result.
Summary of the invention
The purpose of this utility model is to provide a kind of large caliber bend clamping tool for machine work, can solve because the difficulty on the elbow clamping location that the circular arc appearance profile of elbow is caused, and the elbow end face after the machine-shaping is difficult to guarantee smooth, the defective that machining angle is difficult to meet the demands, the installation way of anchor clamps employing face contact of the present utility model, clamping is firm, is difficult for defective work piece, the flatness of elbow machining accuracy and end face can be guaranteed, and work efficiency can be improved.
The installation way of anchor clamps employing face contact of the present utility model adopts three elbow locating pieces that have arcuate surface to carry out the clamping location, wherein fixes for two, and another piece can be regulated, and the degree of tightness of being convenient to the elbow clamping is regulated and dismounting.
The utility model adopts following technical scheme:
A kind of large caliber bend clamping tool for machine work comprises the upper plate and the lower plate that are parallel to each other, vertically between upper plate and the lower plate is provided with 3 locating pieces, and a side of locating piece is the circular arc cutaway that diameter equates with the elbow outer tube diameter; Two is the stationary positioned piece in the described locating piece, and the stationary positioned piece is fixedlyed connected with the upper and lower plate, and two stationary positioned interblocks form angle, and circular arc cutaway is towards the center of curvature of elbow; Another piece can be regulated the locating piece below and place locating slot for can regulate locating piece, and circular arc cutaway is the center of curvature of elbow dorsad, and is connected with loosening station piece by interior corner bolt; Locating slot all is fixed on the lower plate with loosening station piece.
Described stationary positioned piece and can regulate locating piece and can adopt identical shaped design, as adopting rectangular metal plate, the semicircle breach that has diameter to equate in rectangular slab one side with the elbow outer tube diameter.
Described stationary positioned piece adopts welding manner to fixedly connected with the upper and lower plate.
The angle of described stationary positioned interblock is preferably identical with angle of bend or be slightly less than angle of bend.
Can also comprise one or more support bars between described upper plate and the lower plate, support bar and upper and lower plate all adopt welding manner to fix, and play the effect of support, reinforcement upper and lower plate.
The described adjusting on the angular bisector that locating piece is preferably placed at stationary positioned piece angle.
The mode that the utility model contacts with the elbow face by the locating piece that has arcuate surface is carried out elbow clamping location, lower plate is fixedlyed connected with processing platform, large caliber bend directly pierces between the upper and lower plate, the outer arc side of elbow stationary positioned piece location elbow, can regulate locating piece by interior corner bolt adjusting moves in locating slot, from the inner arc lateral confinement system elbow of elbow radially, move axially, reach the purpose of adjustment, fixation workpiece and dismounting workpiece.
The utility model has overcome the deficiencies in the prior art, the elbow locating piece that employing has the circular arc cutaway that diameter equates with the elbow caliber carries out the clamping location, wherein two are and the firm elbow stationary positioned piece of upper and lower two side's plates welding, another piece is for can regulate locating piece, and the degree of tightness of being convenient to elbow is regulated and dismounting.The mode of its installation way employing face contact of anchor clamps of the present utility model, clamping is firm, and accurate positioning is convenient and swift, and is difficult for defective work piece; But the just size of measuring workpieces in the process of workpiece processing, measure after need not dismantling, saved the clamping time greatly, improved work efficiency, guaranteed the flatness of machining accuracy and end face simultaneously, the quality of product, precision and production efficiency are all improved greatly.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, protection domain of the present utility model does not exceed with the specific embodiment, but is limited by claim.
Description of drawings
The front view of Fig. 1 a elbow clamping tool for machine work of the present utility model;
Fig. 1 b elbow clamping tool for machine work of the present utility model is removed the vertical view after the upper plate;
Fig. 2 a is the front view of locating piece;
Fig. 2 b is the side view of locating piece;
Fig. 3 is the vertical view of locating slot;
Fig. 4 a is the front view of loosening station iron;
Fig. 4 b is the side view of loosening station iron;
Fig. 5 is the vertical view of upper plate;
Fig. 6 is the vertical view of lower plate.
The specific embodiment
Elbow clamping tool for machine work of the present utility model carries out the clamping location by the mode of locating piece.
Shown in Fig. 1 a and Fig. 1 b, a kind of 90 ° of large caliber bend clamping tool for machine work, comprise the upper plate 11 and lower plate 12 that are parallel to each other, vertical 3 locating pieces 21,22,23 that are provided with between upper plate 11 and the lower plate 12, wherein two is stationary positioned piece 21,23, and stationary positioned piece 21,23 welds together with upper and lower plate 11,12 respectively; Another piece can be regulated locating piece 22 belows and place locating slot 5 for can regulate locating piece 22, and is connected with loosening station piece 4 by hexagon socket head cap screw 6; Locating slot 5 all is fixed on the lower plate 12 with loosening station piece 4.
Shown in Fig. 2 a and Fig. 2 b, 3 locating piece 21,22,23 shapes are identical, are rectangular metal plate, the semicircle breach that has diameter to equate with elbow 1 outer tube diameter in rectangular slab one side.Wherein the circular arc cutaway of stationary positioned piece 21,23 is towards the center of curvature of elbow 1, and when clamping elbow 1, stationary positioned piece 21,23 is vertical with elbow 1 at the circular arc contact-making surface, keeps surface contact state.Angle between the two stationary positioned pieces 21,23 is 90 °, and is identical with elbow 1 angle.Can regulate locating piece 22 and place locating slot 5, and contour with stationary positioned piece 21,23, its circular arc cutaway is the center of curvature of elbow 1 dorsad, is positioned on the angular bisector of stationary positioned piece 21,23 angles.Regulate hexagon socket head cap screw 6 and make and can regulate locating piece 22 and in locating slot 5, move, the semicircle breach that can regulate locating piece 22 is contacted with elbow 1 from the inner arc side, thus limit elbow 1 radially, move axially clamping elbow 1.
Locating slot 5 and loosening station piece 4 all are welded on the lower plate 12, and locating slot 5 points to the center of curvature of elbow 1, and loosening station piece 4 is positioned at the center of curvature one end of locating slot 5.As shown in Figure 3, the effect of locating slot 5 is restriction and the stable motion track that can regulate locating piece 22.Shown in Fig. 4 a and Fig. 4 b, there are screwed hole, hexagon socket head cap screw 6 to pass screwed hole and can regulate locating piece 22 and be connected in the middle of the loosening station piece 4.
As Fig. 5, shown in Figure 6, lower plate 12 is connected by hold-down bolt with processing platform by the open slot on the lower plate 12, and upper plate 11 cuts one jiao, is convenient to the adjusting of hexagon socket head cap screw 6.Stationary positioned piece 21,23 all is welded on the upper and lower plate, also establishes a support bar 3 between the upper and lower plate, all welds with the upper and lower plate, plays a supporting role.Loosening station piece 4 all is welded on the lower plate 12 with the locating slot 5 that can regulate locating piece 22 belows.
90 ° of large caliber bends 1 are directly pierced between the upper and lower plate 11,12, by the fixing outside of elbow 1 of stationary positioned piece 21,23, can regulate locating piece 22 by hexagon socket head cap screw 6 drivings moves to elbow 1 in locating slot 5, from the inner arc lateral confinement system elbow 1 of elbow 1 radially, move axially just fixing elbow 1; Unclamp hexagon socket head cap screw 6, can carry out the radial and axial adjustment of elbow 1.
Elbow clamping tool for machine work of the present utility model, the processing of the end face of elbow is simple and efficient, and dimensional measurement must not dismantled workpiece and can be finished in the process, has saved man-hour greatly, has improved efficient; Workpiece is directly placed on the work top, reduced the influence of workpiece own wt to clamping, the mode that contacts by face limits the location to workpiece, and is both firm, reduced the damage of clamping to workpiece again.
Described anchor clamps can adopt common 45# steel to do, and raw material are easy to get, and are easy to process.
Elbow clamping tool for machine work of the present utility model, clamping is rational in infrastructure, and is practical and convenient.Can carry out large caliber bend design of Clamping Apparatus and making such as 60 °, 45 °, 30 ° equally according to described technical scheme and design.
Claims (8)
1. large caliber bend clamping tool for machine work, it is characterized in that: described anchor clamps comprise the upper plate (11) and lower plate (12) that is parallel to each other, vertical 3 locating pieces (21,22,23) that are provided with between upper plate (11) and the lower plate (12), a side of locating piece (21,22,23) is the circular arc cutaway that diameter equates with elbow (1) outer tube diameter; Two is stationary positioned piece (21,23) in the described locating piece (21,22,23), stationary positioned piece (21,23) is fixedlyed connected with upper and lower plate (11,12), form angle between two stationary positioned pieces (21,23), circular arc cutaway is towards the center of curvature of elbow (1); Another piece can be regulated locating piece (22) below and place locating slot (5) for can regulate locating piece (22), and circular arc cutaway is the center of curvature of elbow (1) dorsad, and is connected with loosening station piece (4) by interior corner bolt (6); Locating slot (5) all is fixed on (12) on the lower plate with loosening station piece (4).
2. clamping tool for machine work according to claim 1, it is characterized in that: described stationary positioned piece (21,23) is with can to regulate locating piece (22) shape identical, be rectangular metal plate, the semicircle breach that has diameter to equate in rectangular slab one side with elbow (1) outer tube diameter.
3. clamping tool for machine work according to claim 1 is characterized in that: described stationary positioned piece (21,23) adopts welding manner to fixedly connected with upper and lower plate (11,12).
4. clamping tool for machine work according to claim 1 is characterized in that: the angle between described stationary positioned piece (21,23) is identical with elbow (1) angle or be slightly less than elbow (1) angle.
5. clamping tool for machine work according to claim 1 is characterized in that: the described adjusting on the angular bisector that locating piece (22) is positioned at stationary positioned piece (21,23) angle.
6. clamping tool for machine work according to claim 1 is characterized in that: described locating slot (5) points to the center of curvature of elbow (1).
7. clamping tool for machine work according to claim 1, it is characterized in that: also comprise one or more support bars (3) between described upper plate (11) and the lower plate (12), support bar (3) all adopts welding manner to fix with upper and lower plate (11,12).
8. clamping tool for machine work according to claim 1 is characterized in that: described upper plate (11) cuts one jiao.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202899372U CN201711791U (en) | 2010-08-13 | 2010-08-13 | Clamp for machining of elbow with large diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202899372U CN201711791U (en) | 2010-08-13 | 2010-08-13 | Clamp for machining of elbow with large diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201711791U true CN201711791U (en) | 2011-01-19 |
Family
ID=43457789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202899372U Expired - Lifetime CN201711791U (en) | 2010-08-13 | 2010-08-13 | Clamp for machining of elbow with large diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201711791U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954606A (en) * | 2010-08-13 | 2011-01-26 | 扬州华宇管件有限公司 | Machining clamp for large-caliber elbow machine |
| CN102672606A (en) * | 2012-05-31 | 2012-09-19 | 江苏华阳管业股份有限公司 | Processing fixture of external straight end of bend |
| CN105598811A (en) * | 2016-03-25 | 2016-05-25 | 溧阳市四方不锈钢制品有限公司 | Polishing machine for polishing inner surface of elbow |
| CN117283029A (en) * | 2023-11-14 | 2023-12-26 | 河北欧特管道设备制造有限公司 | Cutting device for manufacturing bent pipe |
-
2010
- 2010-08-13 CN CN2010202899372U patent/CN201711791U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954606A (en) * | 2010-08-13 | 2011-01-26 | 扬州华宇管件有限公司 | Machining clamp for large-caliber elbow machine |
| CN102672606A (en) * | 2012-05-31 | 2012-09-19 | 江苏华阳管业股份有限公司 | Processing fixture of external straight end of bend |
| CN105598811A (en) * | 2016-03-25 | 2016-05-25 | 溧阳市四方不锈钢制品有限公司 | Polishing machine for polishing inner surface of elbow |
| CN117283029A (en) * | 2023-11-14 | 2023-12-26 | 河北欧特管道设备制造有限公司 | Cutting device for manufacturing bent pipe |
| CN117283029B (en) * | 2023-11-14 | 2024-03-26 | 河北欧特管道设备制造有限公司 | Cutting device for manufacturing bent pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110119 Effective date of abandoning: 20120509 |