CN209774062U - Rotatable variable-angle clamping device - Google Patents
Rotatable variable-angle clamping device Download PDFInfo
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- CN209774062U CN209774062U CN201920583881.2U CN201920583881U CN209774062U CN 209774062 U CN209774062 U CN 209774062U CN 201920583881 U CN201920583881 U CN 201920583881U CN 209774062 U CN209774062 U CN 209774062U
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- rotating shaft
- positioning
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- shaft
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Abstract
The utility model discloses a rotatable variable-angle clamping device, which comprises a base (7), a bracket (8), a positioning rotating shaft (9), a fixed block I (11), a fixed block II (13), a spring sleeve (17), a cylindrical helical compression spring (18), steel balls (19), a positioning shaft (20), a rotating shaft (21) and a drill bushing (24); be fixed with support (8) on base (7), rotatory pivot (21) are rotated with support (8) and are connected, and fixed block I (11) and fixed block II (13) are installed to the symmetry respectively to the rotatory pivot (21) left and right sides, the utility model discloses can quick clamping location bow part, the porous position of different angles is accomplished to a clamping, guarantees that the relative position precision is good between each hole, realizes quick clamping location processing hole, accomplishes the variable angle processing of porous position.
Description
Technical Field
The utility model belongs to the machining field, concretely relates to rotatable variable angle clamping device.
background
The special-shaped part bow is complex and irregular in shape, difficult to clamp when a lathe is used for machining and not beneficial to mass production, the hole positions of the special-shaped part all require the normal direction perpendicular to the cambered surface, meanwhile, the relative positions of all the holes are required to be ensured, the clamping and positioning are difficult in the drilling process, and the position precision is ensured by one-step machining.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a rotatable variable angle clamping device solves the unable problem that realizes the multi-hole position drilling of clamping completion different angles of bow-shaped part.
The technical scheme of the utility model is that: a rotatable variable angle clamping device is characterized in that: comprises a base 7, a bracket 8, a positioning rotating shaft 9, a fixing block I11, a fixing block II13, a spring sleeve 17, a cylindrical spiral compression spring 18, a steel ball 19, a positioning shaft 20, a rotating shaft 21 and a drill bushing 24; a bracket 8 is fixed on the base 7, the rotating shaft 21 is rotatably connected with the bracket 8, the left side and the right side of the rotating shaft 21 are respectively and symmetrically provided with a fixed block I11 and a fixed block II13, and one end of the positioning rotating shaft 9 is rotatably connected with a fixed block I11; the other end is locked and fixed on a fixed block II 13; a plurality of drill bushings 24 are symmetrically arranged on the positioning rotating shaft 9; a spring sleeve 17 is arranged at the lower part of the bracket 8, a cylindrical spiral compression spring 18 and a steel ball 19 are arranged in the spring sleeve 17, and the other end of the spring sleeve is screwed by a lifting ring screw, so that the steel ball 19 is pressed into a limit groove at one end of a rotating shaft 21; the positioning shaft 20 is arranged in a step hole of a workpiece for positioning, the positioning rotating shaft 9 is of an arc structure with a positioning step hole in the center, and the positioning step hole is respectively used for being matched and positioned with a step at the end part of the positioning shaft 20 and a boss in the middle part of the workpiece; the arc surface of the positioning rotating shaft 9 is attached to the outer arc surface of the workpiece; a drill bushing 24 is arranged on the positioning rotating shaft 9 at a position corresponding to the workpiece.
the base 7 is fixed on the using equipment to support the whole structure.
The end part of the fixing block II13 is fixed with a cylindrical pin 23, the locking rotating shaft 15 vertically penetrates through the other end of the positioning rotating shaft 9 and the cylindrical pin 23, and the positioning rotating shaft 9 is locked through a butterfly nut 14.
The positioning shaft 20 is a step shaft.
The workpiece is an arc-shaped piece.
the rotating shaft 21 is provided with a plurality of limiting grooves, and the positions of the limiting grooves are consistent with the positions of holes to be processed on the workpiece.
Has the advantages that: the utility model discloses can quick clamping location bow-shaped part, a porous position of different angles is accomplished to the clamping, guarantees that the relative position precision is good between each hole, realizes quick clamping location processing hole, accomplishes the variable angle processing in porous position.
Drawings
FIG. 1(a) (b) front and left views of parts before machining
FIG. 2(a) (b) front and left views of machined parts
FIG. 3 is a front view of the rotatable variable angle clamping device;
FIG. 4 is a left side view of FIG. 3;
Fig. 5 is a sectional view a-a of fig. 4.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, embodiments of the present invention will be described in further detail.
The utility model provides a rotatable variable angle clamping device, which is fixed on a workbench of a drilling machine and used for clamping arc-shaped workpieces and drilling, the clamping is firm and reliable, the angle of the rotatable variable angle clamping device is adjusted, small holes on two sides of the workpieces are drilled, and burrs are filed and removed by a fitter after the drilling is finished;
The rotatable variable-angle clamping device comprises a base 7, a support 8, a positioning rotating shaft 9, a screw 10, a fixed block I11, a nut 12, a fixed block II13, a butterfly nut 14, a locking rotating shaft 15, a lifting ring screw A-shaped 16, a spring sleeve 17, a cylindrical spiral compression spring 18, a steel ball 19, a positioning shaft 20, a rotating shaft 21, a full-thread hexagon head bolt 22, a cylindrical pin 23 and a drill bushing 24;
The base 7 is fixed on a using device to support the whole structure, the base 7 is connected with a bracket 8 through a screw, a central hole of a rotary rotating shaft 21 is arranged on the bracket 8 through a full-thread hexagon bolt 22 and a nut 12 and can rotate relative to the bracket, the left side and the right side of the rotary rotating shaft 21 are respectively and symmetrically provided with a fixed block I11 and a fixed block II13 for positioning through screws 10,
One end of the positioning rotating shaft 9 is rotatably connected with a fixed block I11 through a cylindrical pin 23; a cylindrical pin 23 is fixed at the end of the fixing block II13, the locking rotating shaft 15 vertically penetrates through the other end of the positioning rotating shaft 9 and the cylindrical pin 23, and a butterfly nut 14 is arranged on the locking rotating shaft 9 for locking the positioning rotating shaft 9; a spring sleeve 17 is arranged at the lower part of the bracket 8, a cylindrical spiral compression spring 18 and a steel ball 19 are arranged in the spring sleeve 17, and the other end of the spring sleeve is screwed by a lifting ring screw A-shaped 16, so that the steel ball 19 is pressed into a limit groove at one end of a rotating shaft 21; the positioning shaft 20 is a step shaft, is arranged in a central step hole of the workpiece and is used for positioning;
The positioning rotating shaft 9 is of an arc structure with a positioning step hole in the center, and the positioning step hole is respectively used for being matched and positioned with a step at the end part of the positioning shaft 20 and a boss of a workpiece; the arc surface of the positioning rotating shaft 9 is attached to the outer arc surface of the workpiece; 4 drill bushings 24 are symmetrically arranged on the positioning rotating shaft 9, and the positioning shaft 20 is used for positioning a workpiece during machining;
during processing, the positioning shaft 20 is arranged in an inner hole of the workpiece 1 for positioning, then the workpiece 1 is arranged in a positioning step hole of the positioning rotating shaft 9, so that the workpiece 1 is completely matched with the positioning step hole of the positioning rotating shaft 9, the positioning rotating shaft 9 is rotated to the rotating shaft 21 to be fastened, the locking rotating shaft 15 is rotated to a groove at the other end of the positioning rotating shaft 9, the butterfly nut 14 is screwed to lock the workpiece, the rotating shaft 21 is rotated, so that the steel ball 19 can enter a limiting groove of the rotating shaft 21, positioning is completed, 4 hole positions of the workpiece 1 are positioned by the limiting groove on the rotating shaft 21, and when the steel ball 19 enters the limiting groove, the lifting ring screw A-type 16 locking device is screwed. When the steel ball 19 is in the limiting groove of the rotating shaft 21, the position of the workpiece 1 is the hole position for processing, after the hole position 1 is processed, the lifting bolt A-type 16 is loosened to rotate the rotating shaft 21, the steel ball 19 enters the next limiting groove, the lifting bolt A-type 16 is screwed again to be processed until the hole position 4 is processed, the butterfly nut 14 is loosened, the locking rotating shaft 15 is rotated, the positioning rotating shaft 9 is opened, and the workpiece 1 is taken down to be processed.
Claims (6)
1. A rotatable variable angle clamping device is characterized in that: comprises a base (7), a bracket (8), a positioning rotating shaft (9), a fixed block I (11), a fixed block II (13), a spring sleeve (17), a cylindrical spiral compression spring (18), a steel ball (19), a positioning shaft (20), a rotating shaft (21) and a drill bushing (24); a bracket (8) is fixed on the base (7), a rotating shaft (21) is rotatably connected with the bracket (8), the left side and the right side of the rotating shaft (21) are respectively and symmetrically provided with a fixed block I (11) and a fixed block II (13), and one end of a positioning rotating shaft (9) is rotatably connected with the fixed block I (11); the other end is locked and fixed on the fixed block II (13); a plurality of drill bushings (24) are symmetrically arranged on the positioning rotating shaft (9); a spring sleeve (17) is arranged at the lower part of the bracket (8), a cylindrical spiral compression spring (18) and a steel ball (19) are arranged in the spring sleeve (17), and the other end of the spring sleeve is screwed by a lifting ring screw, so that the steel ball (19) is pressed into a limit groove at one end of a rotating shaft (21); the positioning shaft (20) is arranged in a step hole of a workpiece for positioning, the positioning rotating shaft (9) is of an arc structure with a positioning step hole in the center, and the positioning step hole is respectively used for being matched and positioned with a step at the end part of the positioning shaft (20) and a boss in the middle part of the workpiece; the arc surface of the positioning rotating shaft (9) is attached to the outer arc surface of the workpiece; a drill bushing (24) is arranged on the positioning rotating shaft (9) at a position corresponding to the workpiece.
2. A rotatable variable angle clamping device according to claim 1, wherein the base (7) is fixed to the equipment in use to support the entire structure.
3. A rotatable and variable-angle clamping device as claimed in claim 1, wherein a cylindrical pin (23) is fixed at the end of the fixed block II (13), the locking rotating shaft (15) vertically penetrates through the other end of the positioning rotating shaft (9) and the cylindrical pin (23), and the positioning rotating shaft (9) is locked through the butterfly nut (14).
4. A rotatable variable angle clamping device according to claim 1, wherein the positioning shaft (20) is a stepped shaft.
5. A clamping apparatus according to claim 1, wherein said workpiece is an arc-shaped member.
6. a rotatable variable angle clamping device according to claim 5, characterized in that the rotary shaft (21) is provided with a plurality of limiting grooves, and the positions of the limiting grooves are consistent with the positions of the holes to be processed on the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583881.2U CN209774062U (en) | 2019-04-26 | 2019-04-26 | Rotatable variable-angle clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583881.2U CN209774062U (en) | 2019-04-26 | 2019-04-26 | Rotatable variable-angle clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209774062U true CN209774062U (en) | 2019-12-13 |
Family
ID=68804089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583881.2U Active CN209774062U (en) | 2019-04-26 | 2019-04-26 | Rotatable variable-angle clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209774062U (en) |
-
2019
- 2019-04-26 CN CN201920583881.2U patent/CN209774062U/en active Active
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