CN217413767U - Hemisphere string type joint positioning fixture - Google Patents
Hemisphere string type joint positioning fixture Download PDFInfo
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- CN217413767U CN217413767U CN202221330837.9U CN202221330837U CN217413767U CN 217413767 U CN217413767 U CN 217413767U CN 202221330837 U CN202221330837 U CN 202221330837U CN 217413767 U CN217413767 U CN 217413767U
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Abstract
The utility model discloses a hemisphere cluster formula connects positioning fixture, including positioning mechanism and fixture, positioning mechanism comprises bottom plate and locating piece, and the left end both sides of bottom plate are equipped with connecting plate and No. two connecting plates respectively, fixture comprises grip block and supporting rod, and the grip block sets up in the bottom plate top on locating hole right side, and the left end of supporting rod is connected with the right side terminal surface of grip block, and the right-hand member of supporting rod is equipped with fastening device. The utility model discloses a set up positioning mechanism and fixture, after the centre gripping is fixed a position to episphere connecting piece after will merging and lower hemisphere connecting piece, can carry out reaming processing to episphere connecting piece and lower hemisphere connecting piece simultaneously, improved machining precision and machining efficiency greatly.
Description
Technical Field
The utility model relates to an anchor clamps technical field, concretely relates to hemisphere cluster formula connects positioning fixture.
Background
In each machining process of machine manufacturing, a workpiece must be in a proper and correct position in a process system to ensure the machining quality and improve the production efficiency, and various process equipment used for making the workpiece in the proper and correct position are collectively called as a clamp.
The hemisphere string type joint is a string type joint formed by combining an upper hemisphere connecting piece and a lower hemisphere connecting piece, as shown in fig. 4, when machining is carried out, a connecting hole in the circle center of the spherical surface of the upper hemisphere connecting piece and the lower hemisphere connecting piece needs to be reamed, in the machining process, the alignment of the coaxiality of the spherical surface of the upper hemisphere connecting piece and the spherical surface of the lower hemisphere connecting piece is crucial, and the result is closely connected with the coaxiality of the finally machined part.
The existing fixture and the existing positioning method can only perform reaming processing on the upper hemispherical connecting piece and the lower hemispherical connecting piece in sequence, each hole is processed, the hole is required to be detached and clamped again after the angle is adjusted, the operation is very complicated, inevitable installation errors exist in each clamping, the alignment time in the processing process is long, the processing efficiency is low, and in reaming, the surface of a workpiece is a spherical surface, so that a drill bit is very easy to slip in the reaming process, the reaming difficulty is large, and if the reaming feeding speed is high, the drill bit is very easy to break and scratch the surface of a part.
Disclosure of Invention
In order to solve the problem, the utility model provides a little, can carry out reaming processing to episphere connecting piece and lower hemisphere connecting piece simultaneously of the reaming degree of difficulty, guarantee the hemisphere cluster formula joint positioning fixture of its axiality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a locating clamp for a hemispherical string type joint comprises a locating mechanism and a clamping mechanism, wherein the locating mechanism consists of a bottom plate and a locating block, the bottom plate is a rectangular plate, a first connecting plate and a second connecting plate are respectively arranged on two sides of the left end of the bottom plate, connecting grooves are formed in the middle of the end faces of the first connecting plate and the second connecting plate, connecting bolts are arranged in the connecting grooves, nuts of the connecting bolts are located below the connecting grooves, and nuts are sleeved outside the connecting bolts penetrating out of the upper parts of the connecting grooves; a positioning hole is formed in the top end face of the bottom plate between the first connecting plate and the second connecting plate.
The positioning block is arranged on the bottom plate on the left side of the positioning hole and connected with the bottom plate, a positioning clamping groove is vertically formed in the position, close to the center line of the right side face of the positioning hole, of the positioning block, and the radian of the inner side of the positioning clamping groove is identical to that of the spherical curved surface of the hemispherical string type joint.
The clamping mechanism is composed of a clamping block and a clamping rod, the clamping block is arranged above a bottom plate on the right side of the positioning hole, a clamping groove is vertically formed in the center line of the left side face, close to the positioning hole, of the clamping block, the structure of the clamping groove is the same as that of the positioning groove, limiting blocks are arranged on the front side face and the rear side face of the clamping plate respectively, and the bottom face of each limiting block is connected with the bottom plate.
The left end of the clamping rod is connected with the right end face of the clamping block, a fastening mechanism is arranged at the right end of the clamping rod and comprises a fastening seat, a connecting piece and a fastening rod, the bottom face of the fastening seat is connected with the bottom plate, a sleeve is arranged at the left end of the fastening seat, the right end of the clamping rod is located in the sleeve, the right end of the clamping rod does not penetrate out of the sleeve, and a clamping sleeve is arranged at the right end of the fastening seat.
The fastening rod is of an L-shaped structure, the horizontal end of the fastening rod is located in the jacket at the right end of the fastening seat and is movably connected with the jacket through a rotating shaft, the connecting piece is composed of two concave components in an opposite mode, the right end of the connecting piece is movably connected with the joint of the horizontal end and the vertical end of the fastening rod through the rotating shaft, and the left end of the connecting piece is also movably connected with the right end of the clamping rod through the rotating shaft.
In order to prevent sharp edges of all the parts from hurting hands during use, inner angles of the bottom plate, the connecting plate, the positioning block, the clamping block and the limiting block are all of a chamfer structure.
Preferably, be equipped with the grip sleeve on the bottom plate on grip block right side, be equipped with the internal thread on the inner wall of grip sleeve, be equipped with the external screw thread with the internal thread looks adaptation of grip sleeve inner wall on the global outside of supporting rod, the right-hand member end of supporting rod is equipped with the handle, and the left end of supporting rod passes behind the grip sleeve and is connected with the right-hand member face of grip block through the bearing.
Has the advantages that: the utility model discloses a set up positioning mechanism and fixture, after going on fix a position the centre gripping with the episphere connecting piece after will combining and lower hemisphere connecting piece, can carry out reaming processing to episphere connecting piece and lower hemisphere connecting piece simultaneously, make its axiality unanimous, can make episphere connecting piece and lower hemisphere connecting piece carry out quick erection joint, improved machining precision and machining efficiency greatly.
And the inner corners of all the parts are arranged into chamfer structures, so that the condition that sharp edges and burrs injure hands in the process of carrying and using is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram a of embodiment 1 of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural diagram B of the present invention in embodiment 1.
Fig. 4 is a schematic structural view of the middle hemisphere string type joint of the present invention.
Fig. 5 is a schematic structural view of the present invention in embodiment 2.
In the figure: 1. a base plate; 2. positioning blocks; 3. a first connecting plate; 4. a second connecting plate; 5. a connecting bolt; 6. positioning holes; 7. a clamping block; 8. a clamping rod; 9. a limiting block; 10. a fastening seat; 11. a connecting member; 12. a fastening rod; 13. a sleeve; 14. a clamping sleeve; 15. a handle; 16. hemisphere string type joint.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1-4, a positioning fixture for a hemispherical string type joint comprises a positioning mechanism and a clamping mechanism, wherein the positioning mechanism is composed of a bottom plate 1 and a positioning block 2, the bottom plate 1 is a rectangular plate, a first connecting plate 3 and a second connecting plate 4 are respectively arranged on two sides of the left end of the bottom plate 1, connecting grooves are formed in the middle parts of the end surfaces of the first connecting plate 3 and the second connecting plate 4, connecting bolts 5 are arranged in the connecting grooves, nuts of the connecting bolts 5 are positioned below the connecting grooves, and nuts are sleeved on the connecting bolts 5 penetrating out of the upper parts of the connecting grooves; a positioning hole 6 is formed in the top end face of the bottom plate 1 between the first connecting plate 3 and the second connecting plate 4.
The positioning block 2 is arranged on the bottom plate 1 on the left side of the positioning hole 6, the positioning block 2 is connected with the bottom plate 1, a positioning clamping groove is vertically formed in the position, close to the center line of the right side face of the positioning hole 6, of the positioning block 2, and the radian of the inner groove of the positioning clamping groove is identical to that of the spherical curved surface of the hemispherical string type joint 16.
The clamping mechanism is composed of a clamping block 7 and a clamping rod 8, the clamping block 7 is arranged above the bottom plate 1 on the right side of the positioning hole 6, a clamping groove is vertically formed in the center line of the left side face of the clamping block 7 close to the positioning hole 6, the structure of the clamping groove is the same as that of the positioning clamping groove, limiting blocks 9 are respectively arranged on the front side face and the rear side face of the clamping plate, and the bottom faces of the limiting blocks 9 are connected with the bottom plate 1.
The left end of the clamping rod 8 is connected with the right end face of the clamping block 7, a fastening mechanism is arranged at the right end of the clamping rod 8 and comprises a fastening seat 10, a connecting piece 11 and a fastening rod 12, the bottom face of the fastening seat 10 is connected with the bottom plate 1, a sleeve 13 is arranged at the left end of the fastening seat 10, the right end of the clamping rod 8 is located in the sleeve 13, the right end of the clamping rod 8 penetrates out of the sleeve 13, and a clamping sleeve is arranged at the right end of the fastening seat 10.
The fastening rod 12 is of an L-shaped structure, the horizontal end of the fastening rod 12 is located in a jacket at the right end of the fastening seat 10 and is movably connected with the jacket through a rotating shaft, the connecting piece 11 is formed by two concave components in an opposite mode, the right end of the connecting piece 11 is movably connected with the joint of the horizontal end and the vertical end of the fastening rod 12 through the rotating shaft, and the left end of the connecting piece 11 is also movably connected with the right end of the clamping rod 8 through the rotating shaft.
The inner angles of the bottom plate 1, the first connecting plate 3, the second connecting plate 4, the positioning block 2, the clamping block 7 and the limiting block 9 are all chamfer structures.
The working principle is as follows: when in use, the device is placed on a workbench of a drilling machine, after the bottom plate 1 is connected with a T-shaped groove of the drilling machine through a connecting bolt 5 and a nut in a connecting plate, the hemisphere of the lower hemisphere connecting piece 11 is placed above the positioning hole 6 of the bottom plate 1, the hemisphere of the upper hemisphere connecting piece 11 is placed above the hemisphere of the lower hemisphere connecting piece 11 to be combined, the left side surface of the combined sphere is positioned in the positioning clamping groove in the positioning block 2, then the fastening rod 12 is pulled to push the clamping rod 8 to move so as to drive the clamping block 7 to move, so that the clamping groove of the clamping block 7 clamps the right side surface of the combined sphere to complete the positioning and clamping of the hemispherical serial joint 16, the reaming process can be started, because the hemisphere of the upper hemisphere connecting piece 11 and the hemisphere of the lower hemisphere connecting piece 11 are combined into a sphere, the circle centers of the two semi-spheres are at the same point, and after the drill bit drills down to form a hole, the sizes of the holes of the upper semi-sphere and the lower semi-sphere are completely consistent.
Example 2
As shown in fig. 4-5, a positioning fixture for a hemispherical string type joint comprises a positioning mechanism and a clamping mechanism, wherein the positioning mechanism is composed of a bottom plate 1 and a positioning block 2, the bottom plate 1 is a rectangular plate, a first connecting plate 3 and a second connecting plate 4 are respectively arranged on two sides of the left end of the bottom plate 1, connecting grooves are formed in the middle parts of the end surfaces of the first connecting plate 3 and the second connecting plate 4, connecting bolts 5 are arranged in the connecting grooves, nuts of the connecting bolts 5 are positioned below the connecting grooves, and nuts are sleeved on the connecting bolts 5 penetrating out of the upper parts of the connecting grooves; a positioning hole 6 is formed in the top end face of the bottom plate 1 between the first connecting plate 3 and the second connecting plate 4.
The positioning block 2 is arranged on the bottom plate 1 on the left side of the positioning hole 6, the positioning block 2 is connected with the bottom plate 1, a positioning clamping groove is vertically formed in the position, close to the center line of the right side face of the positioning hole 6, of the positioning block 2, and the radian of the inner groove of the positioning clamping groove is identical to that of the spherical curved surface of the hemispherical string type joint 16.
The clamping mechanism comprises a clamping block 7 and a clamping rod 8, wherein the clamping block 7 is arranged above the bottom plate 1 on the right side of the positioning hole 6, a clamping groove is vertically formed in the position, close to the center line of the left side face of the positioning hole 6, of the clamping block 7, the structure of the clamping groove is the same as that of the positioning clamping groove, limiting blocks 9 are respectively arranged on the front side face and the rear side face of the clamping plate, and the bottom faces of the limiting blocks 9 are connected with the bottom plate 1.
Be equipped with clamping sleeve 14 on the bottom plate 1 on grip block right side, be equipped with the internal thread on clamping sleeve 14's the inner wall, be equipped with the external screw thread with the internal thread looks adaptation of clamping sleeve 14 inner wall on the global outside of supporting rod 8, the right-hand member of supporting rod 8 is last to be equipped with handle 15, and the right-hand member face of passing through bearing and grip block 7 behind clamping sleeve 14 is connected to the left end of supporting rod 8.
The inner angles of the bottom plate 1, the first connecting plate 3, the second connecting plate 4, the positioning block 2, the clamping block 7 and the limiting block 9 are all chamfer structures.
Claims (3)
1. The utility model provides a hemisphere cluster formula connects positioning fixture, includes positioning mechanism and fixture, its characterized in that: the positioning mechanism is composed of a bottom plate (1) and a positioning block (2), the bottom plate (1) is a rectangular plate, a first connecting plate (3) and a second connecting plate (4) are respectively arranged on two sides of the left end of the bottom plate (1), connecting grooves are formed in the middle of the end faces of the first connecting plate (3) and the second connecting plate (4), connecting bolts (5) are arranged in the connecting grooves, nuts of the connecting bolts (5) are located below the connecting grooves, and nuts are sleeved on the connecting bolts (5) penetrating out of the upper portions of the connecting grooves; a positioning hole (6) is formed in the top end face of the bottom plate (1) between the first connecting plate (3) and the second connecting plate (4);
the positioning block (2) is arranged on the bottom plate (1) on the left side of the positioning hole (6), the positioning block (2) is connected with the bottom plate (1), a positioning clamping groove is vertically formed in the position, close to the center line of the right side face of the positioning hole (6), of the positioning block (2), and the radian in the positioning clamping groove is the same as that of the spherical surface of the hemispherical serial connector (16);
the clamping mechanism is composed of a clamping block (7) and a clamping rod (8), the clamping block (7) is arranged above the bottom plate (1) on the right side of the positioning hole (6), a clamping groove is vertically formed in the position, close to the center line of the left side face of the positioning hole (6), of the clamping block (7), the structure of the clamping groove is the same as that of the positioning groove, limiting blocks (9) are respectively arranged on the front side face and the rear side face of the clamping plate, and the bottom faces of the limiting blocks (9) are connected with the bottom plate (1);
the left end of the clamping rod (8) is connected with the right end face of the clamping block (7), the right end of the clamping rod (8) is provided with a fastening mechanism, the fastening mechanism comprises a fastening seat (10), a connecting piece (11) and a fastening rod (12), the bottom face of the fastening seat (10) is connected with the bottom plate (1), the left end of the fastening seat (10) is provided with a sleeve (13), the right end of the clamping rod (8) is positioned in the sleeve (13), the right end of the clamping rod (8) penetrates out of the sleeve (13), and the right end of the fastening seat (10) is provided with a jacket;
the fastening rod (12) is of an L-shaped structure, the horizontal end of the fastening rod (12) is located in a jacket at the right end of the fastening seat (10) and is movably connected with the jacket through a rotating shaft, the connecting piece (11) is formed by two concave components oppositely, the right end of the connecting piece (11) is movably connected with the connecting part of the horizontal end and the vertical end of the fastening rod (12) through the rotating shaft, and the left end of the connecting piece (11) is also movably connected with the right end of the clamping rod (8) through the rotating shaft.
2. The hemispherical cluster joint positioning fixture of claim 1, wherein: the inner angles of the bottom plate (1), the first connecting plate (3), the second connecting plate (4), the positioning block (2), the clamping block (7) and the limiting block (9) are all chamfer structures.
3. A hemisphere tandem sub positioning fixture as claimed in claim 1 or 2, wherein: be equipped with clamping sleeve (14) on bottom plate (1) on grip block right side, be equipped with the internal thread on the inner wall of clamping sleeve (14), be equipped with the external screw thread with the internal thread looks adaptation of clamping sleeve (14) inner wall on the outside global of supporting rod (8), the right-hand member end of supporting rod (8) is equipped with handle (15), and the right-hand member face through bearing and grip block (7) is connected after the left end of supporting rod (8) passes clamping sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330837.9U CN217413767U (en) | 2022-05-31 | 2022-05-31 | Hemisphere string type joint positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330837.9U CN217413767U (en) | 2022-05-31 | 2022-05-31 | Hemisphere string type joint positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217413767U true CN217413767U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221330837.9U Active CN217413767U (en) | 2022-05-31 | 2022-05-31 | Hemisphere string type joint positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217413767U (en) |
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2022
- 2022-05-31 CN CN202221330837.9U patent/CN217413767U/en active Active
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