CN215546962U - Drilling support tool for cast iron flywheel - Google Patents
Drilling support tool for cast iron flywheel Download PDFInfo
- Publication number
- CN215546962U CN215546962U CN202121251869.5U CN202121251869U CN215546962U CN 215546962 U CN215546962 U CN 215546962U CN 202121251869 U CN202121251869 U CN 202121251869U CN 215546962 U CN215546962 U CN 215546962U
- Authority
- CN
- China
- Prior art keywords
- cast iron
- iron flywheel
- positioning
- station
- floating support
- 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.)
- Expired - Fee Related
Links
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 68
- 238000005553 drilling Methods 0.000 title claims abstract description 33
- 238000007667 floating Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004513 sizing Methods 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000005056 compaction Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a drilling support tool for a cast iron flywheel, which comprises a positioning plate, wherein the positioning plate is provided with a station for placing the cast iron flywheel, the positioning plate is provided with a positioning shaft positioned in the center of the station, at least two positioning sizing blocks positioned on the inner side of the station and a rotary pressing cylinder positioned outside the station and used for pressing the cast iron flywheel, and a floating support mechanism used for supporting the cast iron flywheel is also arranged in the station. Before drilling, the cast iron flywheel is placed in a station, and the positioning shaft is inserted into a shaft hole of the cast iron flywheel and supports the cast iron flywheel. The positioning sizing block supports the periphery of the cast iron flywheel, and the rotary pressing cylinder presses the cast iron flywheel from the upper part. Meanwhile, the floating support mechanism is positioned between the positioning shaft and the positioning sizing block and upwards supports the cast iron flywheel, so that the rigidity of the middle part of the cast iron flywheel is improved, and the possibility of vibration and deformation of the cast iron flywheel in the drilling process is reduced.
Description
Technical Field
The utility model relates to the technical field of cast iron flywheel machining, in particular to a drilling support tool for a cast iron flywheel.
Background
The problems of high stamping or forging difficulty, high cost and the like of large-size steel plates are solved. Commercial vehicles in automatic transmission technology typically use thin-walled cast iron flywheels instead of steel stamped flexible flywheels. Due to structural and functional requirements, the center and outer regions of the flywheel require a large number of bolts and threaded holes for bolting to the engine crankshaft and torque converter. The thin-wall large-size cast iron flywheel has low rigidity and weak strength, can generate deformation and vibration in the process of drilling a machining center, not only influences the size and shape precision of a workpiece, but also is easy to generate vibration lines and cause cutter fracture.
Therefore, how to improve the rigidity of the thin-wall flywheel in the drilling process is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drilling support tool for a cast iron flywheel, which supports the middle part of the cast iron flywheel through a floating support mechanism, so that the rigidity of the cast iron flywheel is improved, and the vibration and deformation of the cast iron flywheel in the drilling process are reduced.
In order to achieve the purpose, the utility model provides a drilling support tool for a cast iron flywheel, which comprises a positioning plate, wherein a station for placing the cast iron flywheel is arranged on the positioning plate, a positioning shaft positioned in the center of the station, at least two positioning sizing blocks positioned on the inner side of the station and a rotary pressing cylinder positioned outside the station and used for pressing the cast iron flywheel are arranged on the positioning plate, and a floating support mechanism used for supporting the cast iron flywheel is further arranged in the station.
Preferably, the floating support mechanism includes a support base having a mounting hole provided in a vertical direction, and a floating support pin inserted into the mounting hole, and a spring for supporting the floating support pin is further provided at the bottom of the mounting hole.
Preferably, one side of the mounting hole has a stop hole penetrating through a side wall of the support base in a horizontal direction, one side of the support base is provided with a reciprocating cylinder for being engaged with the stop hole, a piston of the reciprocating cylinder is connected with a stop pin inserted into the stop hole, and a side wall of the floating support pin is provided with a stop groove for being engaged with the stop pin.
Preferably, the depth of the stopper groove gradually increases in a direction from top to bottom.
Preferably, one side of the supporting seat opposite to the stop hole is provided with a limiting hole penetrating through the side wall of the supporting seat, a limiting bolt is installed in the limiting hole, and a limiting groove matched with the limiting bolt is formed in the side wall of the floating supporting pin.
Preferably, the rotary compaction cylinders correspond to the positioning sizing blocks one by one, and a piston of each rotary compaction cylinder is connected with a pressing plate which is matched with the positioning sizing blocks to compact the cast iron flywheel.
Preferably, the number of the rotary compaction cylinders and the number of the positioning sizing blocks are 4, and the positioning plates are distributed in a rectangular shape.
Preferably, the number of the floating support mechanisms is 4, the floating support mechanisms are distributed on the positioning plate in a rectangular shape, the 4 positioning sizing blocks are sequentially connected in a clockwise or anticlockwise direction to form four line segments, the 4 floating support mechanisms are respectively projected on the line segments closest to the floating support mechanisms, and the distance between the projection and the middle point of the line segment is smaller than a preset value.
The drilling support tool for the cast iron flywheel comprises a positioning plate, wherein a station for placing the cast iron flywheel is arranged on the positioning plate, a positioning shaft positioned in the center of the station, at least two positioning sizing blocks positioned on the inner side of the station and a rotary pressing cylinder positioned outside the station and used for pressing the cast iron flywheel are arranged on the positioning plate, and a floating support mechanism used for supporting the cast iron flywheel is further arranged in the station.
Before drilling, the cast iron flywheel is placed in a station, and the positioning shaft is inserted into a shaft hole of the cast iron flywheel and supports the cast iron flywheel. The positioning sizing block supports the periphery of the cast iron flywheel, and the rotary pressing cylinder presses the cast iron flywheel from the upper part. Meanwhile, the floating support mechanism is positioned between the positioning shaft and the positioning sizing block and upwards supports the cast iron flywheel, so that the rigidity of the middle part of the cast iron flywheel is improved, and the possibility of vibration and deformation of the cast iron flywheel in the drilling process is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a drilling support tool for a cast iron flywheel provided by the utility model;
fig. 2 is a schematic view of a section a-a in fig. 1.
Wherein the reference numerals in fig. 1 and 2 are:
the device comprises a positioning plate 1, a positioning shaft 2, a positioning sizing block 3, a rotary pressing cylinder 4, a cylinder support 5, a reciprocating cylinder 6, a stop pin 7, a support seat 8, a floating support pin 9, a limit bolt 10 and a spring 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a drilling support tool for a cast iron flywheel according to the present invention; fig. 2 is a schematic view of a section a-a in fig. 1.
The drilling support tool for the cast iron flywheel, provided by the utility model, has a structure shown in figure 1, and comprises a positioning plate 1, a positioning shaft 2, a rotary pressing cylinder 4, a positioning sizing block 3 and a floating support mechanism. Wherein, the locating plate 1 can be connected with drilling equipment such as a drilling machine. The positioning plate 1 is provided with a station, the cast iron flywheel is placed on the station, and the drilling equipment is used for machining the cast iron flywheel on the station. The cast iron flywheel is generally circular, and the shape and size of the station are the same as those of the cast iron flywheel. The positioning shaft 2 is positioned in the center of the station, and the sizing block 3 is positioned. The upper end of the positioning shaft 2 can be inserted into the shaft hole of the cast iron flywheel. The number of the positioning sizing blocks 3 is usually more than two, and all the positioning sizing blocks 3 are uniformly distributed along the periphery of the station and are used for supporting the periphery of the cast iron flywheel. The rotary compaction cylinder 4 is positioned on the outer side of the station, so when the cast iron flywheel is placed in the station, the rotary compaction cylinder 4 cannot interfere with the cast iron flywheel, and the rotary compaction cylinder 4 acts to compact the cast iron flywheel from the upper side. The floating support mechanism is arranged in the station and can support the cast iron flywheel, so that the rigidity of the cast iron flywheel is improved in the drilling process.
Optionally, the floating support mechanism includes a support base 8 and a floating support pin 9, and the support base 8 is fixed on the positioning plate 1 by means of bolts or welding. The support base 8 has a mounting hole provided in a vertical direction, and the floating support pin 9 is in clearance fit with the mounting hole. And a spring 11 is also arranged at the bottom of the mounting hole, one end of the spring 11 is propped against the bottom of the mounting hole, and the other end of the spring 11 is propped against the floating support pin 9. When the cast iron flywheel is not placed on the station, the spring 11 supports the floating supporting pin 9, and the upper end of the floating supporting pin 9 is higher than the upper end surface of the positioning sizing block 3. After the cast iron flywheel is placed on a station, the spring 11 is elastically deformed by the downward gravity of the cast iron flywheel, and meanwhile, the spring 11 and the floating supporting pin 9 realize floating support of the cast iron flywheel. Of course, the floating support mechanism may also be a support column made of rubber or other materials, and is not limited herein.
Optionally, the floating support mechanism further comprises a reciprocating cylinder 6. As shown in fig. 1 and 2, a cylinder support 5 is arranged on one side of the support base 8 away from the positioning shaft 2, a cylinder barrel of the reciprocating cylinder 6 is fixedly connected with the cylinder support 5 through bolts and the like, and a piston of the reciprocating cylinder 6 extends to the support base 8 along the horizontal direction. One side of the supporting seat 8 far away from the positioning shaft 2 is provided with a locking hole, and the locking hole penetrates through the side wall of the supporting seat 8 along the horizontal direction and is communicated with the mounting hole. The piston of the reciprocating cylinder 6 is connected with a stop pin 7, and the stop pin 7 is inserted into the stop hole and is abutted against a floating support pin 9. A stopper groove is provided at a side of the floating support pin 9 facing the stopper hole into which the front end of the stopper pin 7 is inserted. In one embodiment of the present application, the depth of the stopper groove gradually increases in a direction from top to bottom. When the reciprocating cylinder 6 pushes the stop pin 7 towards the direction of the floating support pin 9, the stop pin 7 exerts vertical upward component force on the floating support pin 9, and self-locking positioning of the floating support mechanism is achieved. The user can also adjust the size of the supporting force by adjusting the thrust of the reciprocating cylinder 6, thereby changing the rigidity of the cast iron flywheel.
Optionally, one side of the supporting seat 8 opposite to the stop hole is provided with a limiting hole, and the limiting hole penetrates through the side wall of the supporting seat 8 and is communicated with the mounting hole. The limiting hole may be a threaded hole, and the limiting hole is provided with a limiting bolt 10. The lateral wall of the supporting pin 9 that floats is equipped with the spacing groove with spacing bolt 10 matched with, and when spacing bolt 10 was installed in spacing hole, the front end of spacing bolt 10 inserted the spacing inslot, and the spacing groove cooperates with spacing bolt 10 and carries on spacingly to the range of motion of supporting pin 9 that floats, avoids floating supporting pin 9 to break away from the mounting hole. When the limit bolt 10 is abutted against the upper side wall of the limit groove, the upper end of the floating support pin 9 is not higher than the upper end of the positioning sizing block 3; when the limit bolt 10 is abutted against the lower side wall of the limit groove, the upper end of the floating support pin 9 is higher than the upper end of the positioning sizing block 3.
Optionally, as shown in fig. 1, the number of the rotary compacting cylinders 4 and the number of the positioning parallels 3 are 4, and the positioning plates 1 are distributed in a rectangular shape, and the positioning shaft 2 is located at the center of the rectangle formed by the positioning parallels 3. The rotary compaction cylinders 4 correspond to the positioning sizing blocks 3 one by one. The piston of the rotary compaction cylinder 4 is connected with a pressing plate, the cast iron flywheel is placed on the positioning sizing block 3 before machining, then the rotary compaction cylinder 4 drives the pressing plate to rotate, and the pressing plate compresses the cast iron flywheel from the upper side. Of course, the number and distribution of the rotary compacting cylinders 4 and the positioning sizing blocks 3 can also be set according to the needs of users, and are not limited herein.
Optionally, as shown in fig. 1, the number of the floating support mechanisms is 4, and the floating support mechanisms are distributed on the positioning plate 1 in a rectangular shape, and the positioning shaft 2 is located at the center of the rectangle formed by the floating support mechanisms. In addition, 4 positioning sizing blocks 3 are sequentially connected in a clockwise or anticlockwise direction to form four line segments, 4 floating support mechanisms are respectively projected on the line segments closest to the positioning sizing blocks, the distance between the projection and the middle point of each line segment is smaller than a preset value, and the value range of the preset value is usually 2-5 cm. Of course, the number and distribution mode of the floating support mechanisms can be set by the user according to the needs, and the number and the distribution mode are not limited herein.
In this embodiment, the drilling support tool for the cast iron flywheel is provided with the floating support mechanism, and the floating support mechanism can support the thin wall of the cast iron flywheel, so that the rigidity of the thin wall in the drilling process is improved, and the deformation and vibration during drilling are reduced. In addition, a reciprocating cylinder 6 is arranged in the floating support mechanism and is matched with the stop groove, so that self-locking positioning of the floating support mechanism is realized.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The drilling support tool for the cast iron flywheel provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a drilling of cast iron flywheel supports frock, its characterized in that, includes locating plate (1), the station that is used for placing the cast iron flywheel has on locating plate (1), be equipped with on locating plate (1) and be located location axle (2) of station central authorities, be located two at least location parallels (3) of station inboard and being located outside the station, the gyration that is used for compressing tightly the cast iron flywheel compresses tightly cylinder (4), still be equipped with the floating support mechanism who is used for supporting the cast iron flywheel in the station.
2. The drilling support tool according to claim 1, wherein the floating support mechanism comprises a support base (8) and a floating support pin (9), the support base (8) is provided with a mounting hole arranged in a vertical direction, the floating support pin (9) is inserted into the mounting hole, and a spring (11) for supporting the floating support pin (9) is further arranged at the bottom of the mounting hole.
3. The drilling support tool according to claim 2, wherein one side of the mounting hole is provided with a stop hole penetrating through the side wall of the support seat (8) in the horizontal direction, one side of the support seat (8) is provided with a reciprocating cylinder (6) for being matched with the stop hole, a piston of the reciprocating cylinder (6) is connected with a stop pin (7) inserted into the stop hole, and the side wall of the floating support pin (9) is provided with a stop groove for being matched with the stop pin (7).
4. The drilling support tool of claim 3, wherein the depth of the stop groove gradually increases in a direction from top to bottom.
5. The drilling support tool according to claim 4, wherein a limiting hole penetrating through the side wall of the support seat (8) is formed in one side, opposite to the stop hole, of the support seat (8), a limiting bolt (10) is installed in the limiting hole, and a limiting groove matched with the limiting bolt (10) is formed in the side wall of the floating support pin (9).
6. The drilling support tool according to any one of claims 1 to 5, wherein the rotary compaction cylinders (4) correspond to the positioning sizing blocks (3) one by one, and a piston of each rotary compaction cylinder (4) is connected with a pressing plate which is matched with the positioning sizing block (3) to compact a cast iron flywheel.
7. The drilling support tool according to claim 6, wherein the number of the rotary compaction cylinders (4) and the number of the positioning sizing blocks (3) are 4, and the positioning plates (1) are distributed in a rectangular shape.
8. The drilling support tool according to claim 7, wherein the number of the floating support mechanisms is 4, the floating support mechanisms are distributed on the positioning plate (1) in a rectangular shape, the 4 positioning sizing blocks (3) are sequentially connected in a clockwise or anticlockwise direction to form four line segments, the 4 floating support mechanisms are respectively projected on the line segment closest to the floating support mechanisms, and the distance between the projection and the midpoint of the line segment is smaller than a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251869.5U CN215546962U (en) | 2021-06-04 | 2021-06-04 | Drilling support tool for cast iron flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251869.5U CN215546962U (en) | 2021-06-04 | 2021-06-04 | Drilling support tool for cast iron flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215546962U true CN215546962U (en) | 2022-01-18 |
Family
ID=79866421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251869.5U Expired - Fee Related CN215546962U (en) | 2021-06-04 | 2021-06-04 | Drilling support tool for cast iron flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215546962U (en) |
-
2021
- 2021-06-04 CN CN202121251869.5U patent/CN215546962U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |