CN220260170U - Clamp for machining flywheel housing of engine - Google Patents
Clamp for machining flywheel housing of engine Download PDFInfo
- Publication number
- CN220260170U CN220260170U CN202321653186.1U CN202321653186U CN220260170U CN 220260170 U CN220260170 U CN 220260170U CN 202321653186 U CN202321653186 U CN 202321653186U CN 220260170 U CN220260170 U CN 220260170U
- Authority
- CN
- China
- Prior art keywords
- clamping block
- positioning
- clamping
- machining
- engine
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamp for machining an engine flywheel shell, which comprises a bottom plate, a supporting mechanism for supporting the flywheel shell, a positioning mechanism for positioning the flywheel shell and a clamping mechanism for clamping the flywheel shell, wherein the supporting mechanism, the positioning mechanism and the clamping mechanism are arranged on the bottom plate, the supporting mechanism comprises a plurality of supporting nails, and all the supporting nails are distributed around the positioning mechanism. According to the clamp for machining the engine flywheel shell, the plurality of support nails, the positioning mechanism and the clamping mechanism are matched, so that the accurate clamping and fixing of the engine flywheel shell can be realized, the machining error is reduced, the machining quality of the engine flywheel shell is improved, the structure of the clamp is simple, the operation is convenient, and the machining efficiency of the engine flywheel shell can be improved.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a clamp for machining an engine flywheel shell.
Background
The flywheel shell is one of parts of the engine, is positioned between the engine body and the gearbox, is arranged outside the engine flywheel and is fixedly connected with the engine body and the gearbox, and is used for covering the flywheel.
At present, in the machining process of the flywheel housing of the engine, milling the bottom surface of the flywheel housing is an important process in the machining process, and the machining precision of the milling process directly influences the product quality of the flywheel housing of the engine, in particular to the influence of the quality of a fixture on the machining precision. Because the flywheel shell of the engine has a complex structure and a large difficulty in the bottom milling process, the main part of the flywheel shell is a tool problem, the tool is usually clamped by adopting a general combined clamp on a machine tool in the general processing process, the flywheel shell is placed on two long strips in the machine tool during clamping, then the flywheel shell is pressed by a pressing plate with a spiral spring, and then the machine tool is started for finish machining.
By adopting the clamping mode, the operation workers are required to have very skilled technology, and because of the complexity of the flywheel shell structure of the automobile engine, the operation workers consume much time when selecting and installing the universal combined clamp, the processing efficiency of the flywheel shell is unnecessarily affected, and the flatness of the positioning surface is too large due to the large datum plane of the long slat, so that great system errors are generated, and the yield of the processed flywheel shell is reduced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a clamp for machining an engine flywheel housing, and aims to improve the machining quality of the engine flywheel housing.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a fixture for engine flywheel casing processing, includes the bottom plate, is used for providing the supporting mechanism of support to the flywheel casing, is used for carrying out positioning mechanism and the clamping mechanism who is used for pressing from both sides tight flywheel casing to the flywheel casing, supporting mechanism, positioning mechanism and clamping mechanism set up in on the bottom plate, supporting mechanism includes the support nail, and the support nail sets up a plurality of and all support nails distribute around positioning mechanism.
The clamping mechanism comprises a bridge plate arranged on the bottom plate, a first clamping block, a second clamping block and a screw rod, wherein the first clamping block and the second clamping block are movably arranged on the bridge plate, the screw rod is rotatably arranged on the bridge plate and is in threaded connection with the first clamping block and the second clamping block, the first clamping block and the second clamping block form screw transmission with the screw rod, the moving directions of the first clamping block and the second clamping block are parallel, and the positioning mechanism is located between the first clamping block and the second clamping block.
The first clamping block is provided with a first positioning groove for embedding the flywheel housing, the second clamping block is provided with a second positioning groove for embedding the flywheel housing, and the first positioning groove and the second positioning groove are both V-shaped grooves.
The first clamping block and the second clamping block are symmetrically arranged.
The positioning mechanism comprises a positioning block arranged on the bridge plate, a positioning shaft penetrating through the positioning block and used for penetrating through a center hole of the flywheel casing, a pressing plate sleeved on the positioning shaft and used for applying pressure to the flywheel casing, and a locking nut arranged on the positioning shaft, wherein the locking nut is positioned above the pressing plate, and the positioning block is positioned between the first clamping block and the second clamping block.
And a gasket is arranged between the lock nut and the pressing plate.
According to the clamp for machining the engine flywheel shell, the plurality of support nails, the positioning mechanism and the clamping mechanism are matched, so that the accurate clamping and fixing of the engine flywheel shell can be realized, the machining error is reduced, the machining quality of the engine flywheel shell is improved, the structure of the clamp is simple, the operation is convenient, and the machining efficiency of the engine flywheel shell can be improved.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a top view of a fixture for machining engine flywheel housing of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a side view of the engine flywheel housing processing jig of the present utility model;
marked in the figure as: 1. a bottom plate; 2. a support pin; 3. a first clamping block; 4. a screw; 5. a second clamping block; 6. a bridge plate; 7. a positioning block; 8. positioning a shaft; 9. a gasket; 10. a lock nut; 11. and (5) pressing plates.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the utility model, and to aid in its practice, by those skilled in the art.
It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction between structures and/or functions, and do not represent a sequential order of execution, but are merely for convenience of description.
As shown in fig. 1 to 3, the utility model provides a clamp for machining flywheel shells of engines, which comprises a bottom plate 1, a supporting mechanism for supporting the flywheel shells, a positioning mechanism for positioning the flywheel shells and a clamping mechanism for clamping the flywheel shells, wherein the supporting mechanism, the positioning mechanism and the clamping mechanism are arranged on the bottom plate 1, the supporting mechanism comprises supporting nails 2, and a plurality of supporting nails 2 are arranged and all the supporting nails 2 are distributed around the positioning mechanism.
Specifically, as shown in fig. 1 to 3, the bottom plate 1 is horizontally arranged, the bottom plate 1 is a rectangular plate, the length direction of the bottom plate 1 is parallel to the first direction, the width direction of the bottom plate 1 is parallel to the second direction, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular. When the engine flywheel shell to be processed is placed, the engine flywheel shell is placed on the supporting nails 2 and the positioning mechanism in a state parallel to the bottom plate 1, the bottom surface of the engine flywheel shell is parallel to the first direction and the second direction (the bottom surface of the engine flywheel shell is the surface of an engine cylinder body on the engine flywheel shell), the bottom surface of the engine flywheel shell faces upwards (at the moment, the bottom surface of the engine flywheel shell is the top surface of the engine flywheel shell), the bottom surface of the engine flywheel shell is parallel to the first direction and the second direction, the positioning mechanism accurately positions the engine flywheel shell, and finally the clamping mechanism applies a pressing force along the first direction to the engine flywheel shell to realize clamping and fixing of the engine flywheel shell. The supporting nails 2 are vertically arranged on the bottom plate 1, the lower ends of the supporting nails 2 are fixedly connected with the bottom plate 1, all the supporting nails 2 are uniformly distributed along the circumferential direction, and can provide supporting effects for the engine flywheel housing at a plurality of positions of the engine flywheel housing, so that the stress of the engine flywheel housing is uniform, the engine flywheel housing is not easy to deform in the processing process, the clamping of the engine flywheel housing is fixed firmly, the stability is good, the milling processing of the bottom surface of the engine flywheel housing can be ensured to be normally carried out, the processing precision of the bottom surface of the engine flywheel housing is improved, the processing error is reduced, and the product quality is improved.
In this embodiment, as shown in fig. 1, three support nails 2 are provided in total, the top surfaces of the support nails 2 are planes for contacting with an engine flywheel housing, the end surfaces of all the support nails 2 are planes parallel to the first direction and the second direction, and the engine flywheel housing is horizontally placed on a positioning plane formed by the three support nails 2, and at this time, the axis of the engine flywheel housing is a vertical line.
As shown in fig. 1 to 3, the clamping mechanism comprises a bridge plate 6 arranged on the bottom plate 1, a first clamping block 3 and a second clamping block 5 movably arranged on the bridge plate 6, and a screw 4 rotatably arranged on the bridge plate 6 and in threaded connection with the first clamping block 3 and the second clamping block 5, wherein the first clamping block 3 and the second clamping block 5 form screw transmission with the screw 4, the moving directions of the first clamping block 3 and the second clamping block 5 are parallel to the first direction, and the positioning mechanism is positioned between the first clamping block 3 and the second clamping block 5. The bridge plate 6 is fixedly arranged on the top surface of the bottom plate 1, the length direction of the bridge plate 6 is parallel to the first direction, the bridge plate 6 is positioned at the middle position of the bottom plate 1 in the width direction, the first clamping block 3 and the second clamping block 5 are in sliding connection with the bridge plate 6, and the bridge plate 6 plays a guiding role on the first clamping block 3 and the second clamping block 5. The axis of the screw rod 4 is parallel to the first direction, a first external thread section and a second external thread section are arranged on the screw rod 4, a first clamping block 3 is sleeved on the first external thread section, a second clamping block 5 is sleeved on the second external thread section, external threads are arranged on the surfaces of the first external thread section and the second external thread section, the directions of the external threads on the first external thread section and the second external thread section are opposite, the external threads on the first external thread section are left-handed threads, and the external threads on the second external thread section are right-handed threads. When an operator rotates the screw 4, the screw 4 drives the first clamping block 3 and the second clamping block 5 to linearly move, so that the first clamping block 3 and the second clamping block 5 do opposite movement or opposite separation movement, and the first clamping block 3 and the second clamping block 5 can clamp the middle engine flywheel shell or loosen the engine flywheel shell, so that the operation is convenient and simple, and the efficiency is high.
As shown in fig. 1 to 3, the first clamping block 3 and the second clamping block 5 are symmetrically arranged, the first clamping block 3 is provided with a first positioning groove for embedding the flywheel housing, the second clamping block 5 is provided with a second positioning groove for embedding the flywheel housing, and the first positioning groove and the second positioning groove are V-shaped grooves, so that the matching performance is good, and the clamping reliability is improved. Because the engine flywheel housing is of a circular structure, the first positioning groove is formed into an opening at the end face of the first clamping block 3, and positioning is conveniently carried out after the engine flywheel housing is embedded. Two inner side surfaces of the first positioning groove are contacted with the outer circular surface of the flywheel shell of the engine. Similarly, the second positioning groove is opened at the end face of the second clamping block 5, and two inner side faces of the second positioning groove are contacted with the outer circular face of the flywheel shell of the engine.
As shown in fig. 1 to 3, the positioning mechanism comprises a positioning block 7 arranged on the bridge plate 6, a positioning shaft 8 penetrating through the positioning block 7 and used for penetrating through a central hole of the flywheel casing, a pressing plate 11 sleeved on the positioning shaft 8 and used for applying pressure to the flywheel casing, and a locking nut 10 arranged on the positioning shaft 8, wherein the locking nut 10 is positioned above the pressing plate 11, and the positioning block 7 is positioned between the first clamping block 3 and the second clamping block 5. The positioning block 7 is fixedly arranged on the top surface of the bridge plate 6, the top surface of the positioning block 7 is used for being contacted with the bottom surface of the flywheel shell of the engine, and the top surface of the positioning block 7 is a plane parallel to the first direction and the second direction. The positioning shaft 8 is vertically arranged, the lower end of the positioning shaft 8 is fixedly connected with the positioning block 7, the positioning shaft 8 upwards penetrates through the positioning block 7 and a central hole of the engine flywheel shell (the central hole is a round hole formed in the center of the bottom surface of the engine flywheel shell), the positioning block 7 and the positioning shaft 8 are coaxially arranged, and all the supporting nails 2 are uniformly distributed along the circumferential direction by taking the axis of the positioning shaft 8 as a central line. The center department of clamp plate 11 sets up the through-hole that lets locating shaft 8 pass, and lock nut 10 is threaded connection with the upper end of locating shaft 8, and after tightening lock nut 10, lock nut 10 can apply decurrent pressure to clamp plate 11, and then makes clamp plate 11 can apply decurrent pressure to the engine flywheel shell of below, makes the engine flywheel shell fix on support nail 2, and clamp plate 11 is arranged in the interior cavity of engine flywheel shell, and the height of clamp plate 11 is less than the height of the bottom surface of engine flywheel shell. After the lock nut 10 is unscrewed and the pressing plate 11 is removed from the positioning shaft 8, the machined flywheel housing of the engine can be removed.
Preferably, as shown in fig. 2, a washer 9 is arranged between the lock nut 10 and the pressing plate 11, and the washer 9 is sleeved on the positioning shaft 8 to play a role in locking.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (6)
1. Engine flywheel shell adds clamping apparatus for processing, including the bottom plate, its characterized in that: the flywheel shell clamping device comprises a flywheel shell, and is characterized by further comprising a supporting mechanism for supporting the flywheel shell, a positioning mechanism for positioning the flywheel shell and a clamping mechanism for clamping the flywheel shell, wherein the supporting mechanism, the positioning mechanism and the clamping mechanism are arranged on the bottom plate, the supporting mechanism comprises supporting nails, and the supporting nails are arranged in a plurality of positions and all the supporting nails are distributed around the positioning mechanism.
2. The jig for machining an engine flywheel housing according to claim 1, wherein: the clamping mechanism comprises a bridge plate arranged on the bottom plate, a first clamping block, a second clamping block and a screw rod, wherein the first clamping block and the second clamping block are movably arranged on the bridge plate, the screw rod is rotatably arranged on the bridge plate and is in threaded connection with the first clamping block and the second clamping block, the first clamping block and the second clamping block form screw transmission with the screw rod, the moving directions of the first clamping block and the second clamping block are parallel, and the positioning mechanism is located between the first clamping block and the second clamping block.
3. The jig for machining an engine flywheel housing according to claim 2, wherein: the first clamping block is provided with a first positioning groove for embedding the flywheel housing, the second clamping block is provided with a second positioning groove for embedding the flywheel housing, and the first positioning groove and the second positioning groove are both V-shaped grooves.
4. The jig for machining an engine flywheel housing according to claim 2, wherein: the first clamping block and the second clamping block are symmetrically arranged.
5. The jig for machining an engine flywheel housing according to any one of claims 2 to 4, characterized in that: the positioning mechanism comprises a positioning block arranged on the bridge plate, a positioning shaft penetrating through the positioning block and used for penetrating through a center hole of the flywheel casing, a pressing plate sleeved on the positioning shaft and used for applying pressure to the flywheel casing, and a locking nut arranged on the positioning shaft, wherein the locking nut is positioned above the pressing plate, and the positioning block is positioned between the first clamping block and the second clamping block.
6. The jig for machining an engine flywheel housing according to claim 5, wherein: and a gasket is arranged between the lock nut and the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653186.1U CN220260170U (en) | 2023-06-26 | 2023-06-26 | Clamp for machining flywheel housing of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653186.1U CN220260170U (en) | 2023-06-26 | 2023-06-26 | Clamp for machining flywheel housing of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220260170U true CN220260170U (en) | 2023-12-29 |
Family
ID=89315945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321653186.1U Active CN220260170U (en) | 2023-06-26 | 2023-06-26 | Clamp for machining flywheel housing of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220260170U (en) |
-
2023
- 2023-06-26 CN CN202321653186.1U patent/CN220260170U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110774027B (en) | Boring clamp and operation method thereof | |
| CN108857518B (en) | Boring fixture for machining two space intersecting holes in special-shaped piece and machining method | |
| CN212122432U (en) | Milling machine fixture for machining end face of bearing ring | |
| CN113681466A (en) | Novel integrated machining clamp for turbine blade of aero-engine and machining process of novel integrated machining clamp | |
| CN220260170U (en) | Clamp for machining flywheel housing of engine | |
| CN220554999U (en) | Rotary clamp for polyhedron processing | |
| CN112067431A (en) | Self-centering clamping device for lateral compression test of sandwich structure | |
| CN110560746A (en) | inclined hole drilling device and application method thereof | |
| CN114309846B (en) | Axle center alignment method for machining inner holes of shaft parts | |
| CN203031345U (en) | Bidirectional symmetrically-locked clamping device for mechanical machining | |
| CN112091657B (en) | Clamp for machining blade shroud of engine blade and machining method of engine blade | |
| CN215393838U (en) | Compatible slot series robot forearm follow fixture | |
| CN109848743B (en) | Clamping device for processing moving blades made of special materials of steam turbine | |
| CN113369936A (en) | Device for machining circumferential inclined holes of nozzle nuts of aircraft engines | |
| CN209207244U (en) | A kind of clamping device for the processing of ceramic bearing ring end face | |
| CN214135017U (en) | Special fixture mechanism for special-shaped workpiece | |
| CN219234569U (en) | Valve body turning transverse hole indexing fixture | |
| CN216912407U (en) | Clamp for machining inner hole of shaft part | |
| CN219380471U (en) | Automobile instrument panel assembling clamp | |
| CN218110074U (en) | Four-axis window type tool | |
| CN216503610U (en) | Square part side adds clamping apparatus | |
| CN219026715U (en) | Special-shaped workpiece machining, clamping and positioning device | |
| CN214025315U (en) | Rotatable tool clamp | |
| CN218903730U (en) | Machining clamp for milling split surface of connecting rod | |
| CN216399239U (en) | Quick positioning and clamping fixture for grinding notch plane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |