CN220161824U - Clamp for fine boring of engine cylinder block - Google Patents
Clamp for fine boring of engine cylinder block Download PDFInfo
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- CN220161824U CN220161824U CN202321123036.XU CN202321123036U CN220161824U CN 220161824 U CN220161824 U CN 220161824U CN 202321123036 U CN202321123036 U CN 202321123036U CN 220161824 U CN220161824 U CN 220161824U
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- engine cylinder
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model provides a clamp for fine boring of an engine cylinder body, which comprises a vertical threaded rod, a support column, a positioning nut, a limiting bottom block, a displacement block and a positioning pressing plate, wherein the support column is arranged on the left side and the right side of the interior of a bearing table, the bottom of the support column is connected with the limiting bottom block, the positioning nut is arranged on the lower side of the annular side surface of the support column, the vertical threaded rod is arranged in the support column, the upper side of the annular side surface of the vertical threaded rod is provided with the displacement block, the right end surface of the displacement block is fixedly connected with the positioning pressing plate, the positioning pressing plate is firstly moved inwards by the support column, the left and right using positions of the positioning pressing plate are adjusted, the positioning nut can be screwed up by an external wrench after the positioning pressing plate is adjusted to a required position, and then the first rotating disc is rotated anticlockwise, so that the positioning pressing plate is driven to move downwards by the positioning pressing plate under the action of a screw meshing force.
Description
Technical Field
The utility model relates to the technical field of engine cylinder body clamps, in particular to a clamp for fine boring of an engine cylinder body.
Background
The engine cylinder is one of the important components of the engine, the engine is formed by the cylinder, the piston, the connecting rod, the crankshaft, the cylinder cover and other components, the engine cylinder is generally produced by adopting a die casting process, the cylinder obtained by die opening in a die casting die is subjected to further processing, rough milling and finish milling on each assembly surface, finish boring of a crankshaft hole, PCD holes and the like, and when the engine cylinder is subjected to finish boring, the engine cylinder is required to be fixed by using a corresponding clamp, so that the displacement of the engine cylinder in the process of finish boring the holes is avoided.
The utility model provides a fixture for engine cylinder block is polished that publication number "CN206689918U" provided through the bearing installation first lead screw at the lower surface of cushion cap, through the movable rod on the sliding sleeve and the sliding sleeve in the outside of first lead screw, rotates first lead screw, realizes the removal to the movable rod, and then fixes the cylinder body through the anchor clamps on the anchor clamps support of movable rod upper end.
However, the following drawbacks exist in the above technical solutions and the prior art:
because the shape of this anchor clamps is semi-circular, leads to this anchor clamps centre gripping scope limited, can not carry out the centre gripping to different types engine cylinder block to this anchor clamps can only carry out horizontal location to the engine cylinder block, can not carry out vertical location to the engine cylinder block, leads to the engine cylinder block can appear the longitudinal displacement condition in by the course of working, thereby influences the machining precision of engine cylinder block.
Disclosure of Invention
The utility model aims to provide a clamp for fine boring of an engine cylinder body, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a fixture for fine boring of engine cylinder block, includes engine cylinder block, fixed baseplate and bearing platform, fixed baseplate up end fixedly connected with bearing platform, the engine cylinder block has been placed to bearing platform up end, bearing platform up end left and right sides all is provided with the positioning mechanism that is used for pressing the location to the engine cylinder block, both sides all are provided with the auxiliary extrusion subassembly that is used for carrying out longitudinal positioning to the engine cylinder block around the bearing platform up end.
Preferably, the positioning mechanism comprises a vertical threaded rod, a support column, positioning nuts, a limiting bottom block, a displacement block and a positioning pressing plate, wherein the support column is arranged on the left side and the right side of the interior of the bearing table, the bottom of the support column is connected with the limiting bottom block, the positioning nuts are arranged on the lower side of the annular side face of the support column, the vertical threaded rod is arranged in the support column, the displacement block is arranged on the upper side of the annular side face of the vertical threaded rod, and the positioning pressing plate is fixedly connected with the right end face of the displacement block.
Preferably, the auxiliary extrusion assembly comprises a support side plate, a second rotary table and an auxiliary extrusion rod, wherein the support side plate is symmetrically and fixedly connected with the front side and the rear side of the upper end face of the bearing table, the auxiliary extrusion rod is arranged on the upper side inside the support side plate, and the second rotary table is connected with the front end face of the auxiliary extrusion rod.
Preferably, the annular side upside of vertical threaded rod is provided with the follow-up ring, vertical threaded rod upper end is provided with first carousel, the internal thread through-hole has been seted up to the displacement piece inside, and the internal thread through-hole meshes with vertical threaded rod mutually.
Preferably, the locking screw is meshed to the support column left end face upside, the direction perpendicular groove has been seted up to the support column right-hand member face, and direction perpendicular groove and displacement piece phase-match, the support column up end is installed and is blocked the lid.
Preferably, the anti-skid block is adhered to the rear end of the auxiliary extrusion rod, a first external thread is arranged on the annular side surface of the auxiliary extrusion rod, an internal thread through cavity is formed in the support side plate, and the internal thread through cavity is meshed with the first external thread.
Preferably, the limit groove is formed in the upper end face of the bearing table, the limit groove is in a convex shape, the lower side of the annular side face of the support column is provided with the second external thread, and the second external thread is meshed with the positioning nut.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a unscrew positioning nut, alright can be to the support column about moving to this is adjusted to the position of use about the positioning pressure plate, through carrying out anticlockwise rotation to vertical threaded rod, alright make the displacement piece drive the positioning pressure plate decline press down the engine cylinder body fixedly, and the spacing groove also makes things convenient for the later stage staff to adjust the position of use around the support column, so that fix not unidimensional engine cylinder body;
2. the utility model discloses a both sides set up respectively around the bearing platform up end and support curb plate, second carousel and supplementary extrusion pole, conveniently carry out vertical fixation to the engine cylinder body to avoid the engine cylinder body to appear the displacement condition by the course of working.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a block diagram of a positioning mechanism and auxiliary extrusion assembly of the present utility model;
FIG. 3 is a block diagram of a positioning mechanism according to the present utility model;
FIG. 4 is a block diagram of a holding table according to the present utility model;
fig. 5 is a front cross-sectional view of the positioning mechanism of the present utility model.
In the figure: 1. an engine block; 2. fixing the substrate; 3. a support table; 31. a limit groove; 4. a positioning mechanism; 41. a first turntable; 42. a vertical threaded rod; 421. a follower ring; 43. a locking screw; 44. a support column; 441. a blocking cover; 442. a guide vertical groove; 45. positioning a nut; 46. limiting bottom blocks; 47. a displacement block; 48. positioning a pressing plate; 5. an auxiliary extrusion assembly; 51. supporting the side plates; 52. a second turntable; 53. an auxiliary extrusion rod; 54. an anti-skid block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution:
embodiment one:
the utility model provides a fixture for engine cylinder block finish boring, includes engine cylinder block 1, fixed base plate 2 and bearing platform 3, and fixed base plate 2 up end fixedly connected with bearing platform 3, bearing platform 3 up end has placed engine cylinder block 1, and bearing platform 3 up end left and right sides all is provided with the positioning mechanism 4 that is used for pressing the location to engine cylinder block 1, and bearing platform 3 up end front and back both sides all are provided with and are used for carrying out vertical location's auxiliary extrusion subassembly 5 to engine cylinder block 1.
The positioning mechanism 4 comprises a vertical threaded rod 42, a support column 44, a positioning nut 45, a limiting bottom block 46, a displacement block 47 and a positioning pressing plate 48, wherein the support column 44 is arranged on the left side and the right side of the interior of the bearing table 3, the bottom of the support column 44 is connected with the limiting bottom block 46, the positioning nut 45 is arranged on the lower side of the annular side surface of the support column 44, the vertical threaded rod 42 is arranged in the support column 44, the displacement block 47 is arranged on the upper side of the annular side surface of the vertical threaded rod 42, and the positioning pressing plate 48 is fixedly connected with the right end surface of the displacement block 47.
The upper side of the annular side surface of the vertical threaded rod 42 is provided with a follow-up ring 421, the follow-up ring 421 is connected with the vertical threaded rod 42 in a welding way, the upper end of the vertical threaded rod 42 is provided with a first rotary table 41, the first rotary table 41 is connected with the vertical threaded rod 42 in a welding way, the inside of the displacement block 47 is provided with an internal thread through hole, the internal thread through hole is meshed with the vertical threaded rod 42, the displacement block 47 is connected with the positioning pressing plate 48 in a welding way, the support column 44 is connected with the limiting bottom block 46 in a welding way, the lower end surface of the positioning pressing plate 48 is provided with anti-skid lines, the follow-up ring 421 prevents the vertical threaded rod 42 from being displaced up and down in the rotation and use process, the first rotary table 41 is convenient for workers to rotate the vertical threaded rod 42 by bare hands, the internal thread through hole is convenient for the vertical threaded rod 42 to be meshed inside the displacement block 47, make displacement piece 47 possess liftable ability to drive location clamp plate 48 and reciprocate, and anti-skidding line makes the terminal surface antiskid nature better under the location clamp plate 48, the engagement of support column 44 left end face upside has locking screw 43, and locking screw 43 is made by butterfly screw, the direction vertical groove 442 has been seted up to the support column 44 right-hand member face, and direction vertical groove 442 and displacement piece 47 assorted, the retaining cap 441 is installed to the support column 44 up end, the locking screw 43 of making by butterfly screw not only can extrude the location to follow-up ring 421, but also make things convenient for the staff to screw up and down it, the spacing direction can be carried out to displacement piece 47 to the direction vertical groove 442, avoid displacement piece 47 to appear shifting the condition in the lift process, and the retaining cap 441 can block spacingly to follow-up ring 421, avoid follow-up ring 421 to appear the upper and lower displacement condition in the rotation use.
The spacing groove 31 has been seted up to bearing platform 3 up end, and spacing groove 31 is the convex form, a plurality of spacing grooves 31 have been seted up, and a plurality of spacing grooves 31 specification are the same, support column 44 annular side downside is provided with the second external screw thread, and the second external screw thread meshes with positioning nut 45 mutually, positioning nut 45 is made by hexagonal nut, bearing platform 3 links to each other with fixed base plate 2 through the welding mode, a plurality of spacing grooves 31 for the convex form make things convenient for spacing bottom block 46 cartridge in the inside front and back different positions of bearing platform 3, in order to adjust the position of use around support column 44, the convenient positioning nut 45 meshes at support column 44 annular side in order to fix a position support column 44, and the positioning nut 45 that is made by hexagonal nut makes things convenient for the staff to screw up or unscrew it with the help of external spanner.
Embodiment two:
on the basis of the first embodiment, in this embodiment, the supporting side plates 51, the second turntable 52 and the auxiliary extrusion rod 53 are respectively disposed on the front and rear sides of the upper end surface of the supporting table 3, so that the engine cylinder 1 is conveniently fixed longitudinally.
The auxiliary extrusion assembly 5 comprises a support side plate 51, a second rotary table 52 and an auxiliary extrusion rod 53, wherein the support side plate 51 is symmetrically and fixedly connected to the front side and the rear side of the upper end surface of the bearing table 3, the auxiliary extrusion rod 53 is arranged on the upper side inside the support side plate 51, and the second rotary table 52 is connected to the front end surface of the auxiliary extrusion rod 53.
The anti-slip block 54 is adhered to the rear end of the auxiliary extrusion rod 53, a first external thread is arranged on the annular side surface of the auxiliary extrusion rod 53, an internal thread through cavity is formed in the supporting side plate 51, the internal thread through cavity is meshed with the first external thread, the second rotary disc 52 is connected with the auxiliary extrusion rod 53 in a welding mode, the anti-slip block 54 not only enables the anti-slip performance of the auxiliary extrusion rod 53 to be better, but also prevents hard contact between the auxiliary extrusion rod 53 and the engine cylinder body 1, and the meshed internal thread through cavity and the first external thread enable the auxiliary extrusion rod 53 to have forward and backward movement capability.
Working principle: the mounting personnel firstly mount and fix the fixed baseplate 2 at the appointed position of the workbench of the external fine boring and milling machine, then the worker rest the engine cylinder body 1 at the appointed position of the upper end face of the bearing table 3, then respectively move the support columns 44 positioned at the left side and the right side of the engine cylinder body 1 inwards, so as to adjust the left and right using positions of the positioning pressing plates 48, and the positioning nuts 45 can be screwed by external wrenches after the positioning pressing plates are adjusted to the required positions, in the process, the support columns 44 can drive the limiting bottom blocks 46 to move upwards, so that the limiting bottom blocks 46 are tightly attached to the limiting grooves 31, and the positioning nuts 45 can press the bearing table 3, so that the support columns 44 are fixed, and the situation that the support columns 44 are displaced again in the using process is avoided; then the staff can rotate anticlockwise to first carousel 41, make the same anticlockwise rotation of vertical threaded rod 42, the displacement piece 47 can drive the location clamp plate 48 and move down under the screw meshing force this moment, so that location clamp plate 48 presses the location to the left and right sides of engine cylinder body 1 up end, the staff can stop rotating first carousel 41 when location clamp plate 48 moves down in place, screw up locking screw 43 again this moment, alright extrude the location to follow-up ring 421, avoid vertical threaded rod 42 to appear the rotation condition again, with this pressing stability that improves location clamp plate 48.
When the engine cylinder 1 is pressed and fixed by the positioning mechanism 4, a worker only needs to respectively rotate the second turntables 52 positioned at the front side and the rear side of the engine cylinder 1 clockwise, so that the auxiliary extrusion rod 53 can rotate clockwise together, at the moment, the auxiliary extrusion rod 53 moves inwards under the action of the thread meshing force until the anti-skid blocks 54 are in close contact with the engine cylinder 1, and the engine cylinder 1 is longitudinally clamped and fixed, so that the condition of left-right or front-rear displacement of the engine cylinder 1 in the processing process of an external fine boring and milling machine is avoided; when the engine block 1 is processed, the worker rotates the second rotary table 52 counterclockwise to move the auxiliary extrusion rod 53 outwards, and then rotates the first rotary table 41 clockwise to drive the positioning pressing plate 48 to move upwards by the displacement block 47, so that the engine block 1 can be taken away.
In the later use process, the worker only needs to unscrew the positioning nut 45, then the support column 44 can be moved outwards, the limiting bottom block 46 is separated from the limiting groove 31, at the moment, the front and back use positions of the support column 44 can be adjusted, the limiting bottom block 46 is inserted into the corresponding limiting groove 31 after being adjusted to the required positions, and accordingly the positioning pressing plate 48 can conveniently press and fix the front and back different positions of the upper end surface of the engine cylinder body 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fixture for fine boring of engine cylinder block, includes engine cylinder block (1), fixed base plate (2) and bearing platform (3), its characterized in that: the engine cylinder body (1) has been placed to fixed baseplate (2) up end fixedly connected with bearing platform (3), bearing platform (3) up end left and right sides all is provided with positioning mechanism (4) that are used for pressing location engine cylinder body (1), both sides all are provided with auxiliary extrusion subassembly (5) that are used for carrying out longitudinal location to engine cylinder body (1) around bearing platform (3) up end.
2. The jig for fine boring of an engine block according to claim 1, wherein: positioning mechanism (4) are including vertical threaded rod (42), support column (44), positioning nut (45), spacing bottom block (46), displacement piece (47) and location clamp plate (48), the inside left and right sides of bearing platform (3) all is provided with support column (44), support column (44) bottom is connected with spacing bottom block (46), positioning nut (45) are installed to support column (44) annular side downside, support column (44) inside is provided with vertical threaded rod (42), vertical threaded rod (42) annular side upside is provided with displacement piece (47), displacement piece (47) right-hand member face fixedly connected with location clamp plate (48).
3. The jig for fine boring of an engine block according to claim 2, wherein: the auxiliary extrusion assembly (5) comprises a support side plate (51), a second rotary table (52) and an auxiliary extrusion rod (53), the support side plate (51) is symmetrically and fixedly connected to the front side and the rear side of the upper end face of the bearing table (3), the auxiliary extrusion rod (53) is arranged on the upper side inside the support side plate (51), and the second rotary table (52) is connected to the front end face of the auxiliary extrusion rod (53).
4. The jig for fine boring of an engine block according to claim 2, wherein: the upper side of the annular side face of the vertical threaded rod (42) is provided with a follow-up ring (421), the upper end of the vertical threaded rod (42) is provided with a first rotary table (41), and an internal thread through hole is formed in the displacement block (47).
5. The jig for fine boring of an engine block according to claim 2, wherein: the upper side of the left end face of the support column (44) is meshed with a locking screw (43), the right end face of the support column (44) is provided with a guide vertical groove (442), the guide vertical groove (442) is matched with the displacement block (47), and the upper end face of the support column (44) is provided with a blocking cover (441).
6. A jig for fine boring of an engine block according to claim 3, wherein: the anti-skid block (54) is adhered to the rear end of the auxiliary extrusion rod (53), a first external thread is arranged on the annular side face of the auxiliary extrusion rod (53), and an internal thread through cavity is formed in the support side plate (51).
7. The jig for fine boring of an engine block according to claim 2, wherein: the upper end face of the bearing table (3) is provided with a limit groove (31), and the lower side of the annular side face of the support column (44) is provided with a second external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123036.XU CN220161824U (en) | 2023-05-11 | 2023-05-11 | Clamp for fine boring of engine cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123036.XU CN220161824U (en) | 2023-05-11 | 2023-05-11 | Clamp for fine boring of engine cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220161824U true CN220161824U (en) | 2023-12-12 |
Family
ID=89052403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321123036.XU Active CN220161824U (en) | 2023-05-11 | 2023-05-11 | Clamp for fine boring of engine cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220161824U (en) |
-
2023
- 2023-05-11 CN CN202321123036.XU patent/CN220161824U/en active Active
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