CN112276510A - Engine timing system assembly fixture - Google Patents
Engine timing system assembly fixture Download PDFInfo
- Publication number
- CN112276510A CN112276510A CN202011101099.6A CN202011101099A CN112276510A CN 112276510 A CN112276510 A CN 112276510A CN 202011101099 A CN202011101099 A CN 202011101099A CN 112276510 A CN112276510 A CN 112276510A
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- timing system
- clamping
- engine timing
- camshaft
- rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses an engine timing system assembly tool, which is used for fixing an engine camshaft and comprises a substrate, a rotating plate, a clamping plate and a fastener, wherein a positioning bulge is arranged on the substrate; the rotating plate is provided with a positioning hole, the positioning hole is sleeved on the positioning protrusion and is rotatably connected with the positioning protrusion, and the clamping plate is connected with the rotating plate and used for clamping the hexagonal structure of the camshaft; the fastener fixes the rotating plate on the base plate. The assembling tool for the engine timing system adjusts the offset angle of the clamping plate through the rotation of the rotating plate, so that the clamping plate can adapt to the assembly of camshafts with different angles, the assembling efficiency of the engine timing system is improved, meanwhile, the strict requirement on the offset angle of the camshaft is eliminated, the camshaft is more flexible in manufacturing, a mold does not need to be developed independently, the manufacturing cost of the camshaft is greatly saved, and the overall manufacturing cost of an engine is reduced.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to an engine timing system assembling tool.
Background
Timing system bolts on the engine are used to secure the camshaft and the timing system together, and since they rotate together when tightened, one of them needs to be secured. To prevent the pins and vanes of the timing system from deforming under force when the bolts are tightened, the camshaft is typically secured. And a hexagonal structure is usually designed on the camshaft to facilitate clamping. During maintenance or during assembly of individual engines, the engine can be fixed by a wrench, and during assembly of a production line, the engine needs to be clamped by tool equipment, so that the efficiency is improved.
The existing tooling equipment is clamped on the camshaft hexagonal through moving up and down, and therefore the side face of the camshaft hexagonal structure is required to be vertical. In the manufacture of a camshaft, the hexagonal structure is generally forged to improve efficiency. When in order to optimize the engine performance, only need to change the camshaft angle, perhaps when finely tuning the camshaft molded lines, in order to adapt to tooling equipment, can only reopen a pair mould, make hexagonal structure both sides still perpendicular after rotatory, cause camshaft manufacturing cost too high, and production efficiency reduces.
Disclosure of Invention
The invention mainly aims to provide an engine timing system assembling tool, and aims to solve the problem that the engine timing system assembling tool in the prior art can only vertically clamp a hexagonal structure of a camshaft and the like.
In order to achieve the above object, the present invention provides an engine timing system assembling tool, which is used for fixing an engine camshaft, and comprises:
the substrate is provided with a positioning bulge;
a rotating plate, wherein the rotating plate is provided with a positioning hole, the positioning hole is sleeved on the positioning bulge, the positioning hole is rotatably connected with the positioning bulge,
the clamping plate is connected with the rotating plate and used for clamping the hexagonal structure of the camshaft;
a fastener to secure the rotating plate to the base plate.
Preferably, the rotating plate includes a rotating portion and an extending portion connected to each other, the positioning hole is formed in the rotating portion, the fastening member is a fastening bolt, the rotating portion is fixed to the substrate through the fastening bolt, and the clamping plate is connected to the extending portion.
Preferably, a first mounting hole for the fastening bolt to pass through is formed in the substrate, an annular second mounting hole for the fastening bolt to pass through is formed in the rotating portion, the fastening bolt passes through the second mounting hole and the first mounting hole to fix the rotating portion on the substrate, and the second mounting hole is arranged around the positioning hole.
Preferably, the number of the first mounting holes is multiple, the multiple first mounting holes are sequentially arranged at intervals, and the multiple first mounting holes are arranged around the positioning protrusion.
Preferably, a scale is arranged on the base plate, the scale is arranged around the rotating part in a semicircular shape, and the scale is used for measuring the offset angle of the hexagonal structure.
Preferably, the edge of the rotating part facing away from the extending part is provided with a pointer, and the pointer is used for marking a numerical value on the scale.
Preferably, the cardboard is including installation department and the chucking part that is connected, the installation department is installed on the extension, the chucking part includes certainly the installation department is kept away from two jack catchs that the one end of extension extends, two the jack catch be used for with the side butt that two opposite settings of hexagonal structure.
Preferably, a clamping groove is formed in the mounting portion, a clamping block is arranged on the extending portion corresponding to the clamping groove, and the clamping block is clamped in the clamping groove.
Preferably, the length of the clamping groove is larger than that of the clamping block, and the clamping block is in sliding contact fit along the length direction of the clamping groove.
Preferably, the inner side edges of the clamping jaws are provided with chamfers.
When the assembling tool for the engine timing system is used, firstly, the fastening piece is loosened, the rotating plate can rotate relative to the base plate at the moment to be in a movable state, then, the position of the clamping plate is adjusted by adjusting the relative angle between the rotating plate and the base plate, the offset angle of the clamping plate is adjusted to be equal to the offset angle of the camshaft, so that the clamping plate is opposite to two oppositely arranged side surfaces of the hexagonal structure of the camshaft, then, the clamping plate is clamped on the hexagonal structure to clamp the hexagonal structure, finally, the fastening piece is fastened, so that the assembling tool fixes the camshaft, and when next camshaft fixing is carried out, the offset angles of the rotating plate and the clamping plate can be adjusted again according to the offset angle of the camshaft, so that the camshaft is fixed. The engine timing system assembly tool provided by the invention adjusts the offset angle of the clamping plate by rotating the rotating plate, so that the clamping plate can adapt to the assembly of camshafts with different angles, the assembly efficiency of the engine timing system is improved, meanwhile, because the strict requirement on the offset angle of the camshaft is cancelled, the camshaft is more flexible in manufacturing, and for the camshaft only rotating in angle and with fine adjustment of molded lines, a separate die does not need to be developed, so that the manufacturing cost of the camshaft is greatly saved, the overall manufacturing cost of the engine is reduced, and the manufacturing efficiency and the qualification rate of the camshaft are improved in a phase-changing manner.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an engine timing system assembly fixture according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a substrate of the assembly tool for the engine timing system according to an embodiment of the invention;
FIG. 3 is a schematic view of a rotating plate of the assembly tool for the engine timing system according to an embodiment of the invention;
fig. 4 is a schematic view of a clamping plate of the assembly tool for the engine timing system according to the embodiment of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an engine timing system assembling tool.
As shown in fig. 1 to 4, in the present embodiment, the engine timing system assembling tool 100 is used for fixing an engine camshaft, and the engine timing system assembling tool 100 includes: the clamping device comprises a base plate 1, a rotating plate 2, a clamping plate 3 and a fastening piece 4, wherein a positioning bulge 11 is arranged on the base plate 1; the rotating plate 2 is provided with a positioning hole 211, the positioning hole 211 is sleeved on the positioning protrusion 11, the positioning hole 211 is rotatably connected with the positioning protrusion 11, the clamping plate 3 is connected with the rotating plate 2, and the clamping plate 3 is used for clamping the hexagonal structure of the camshaft; the fastening member 4 fixes the rotating plate 2 to the base plate 1.
Specifically, when the engine timing system assembling tool 100 of this embodiment is used, firstly, the fastener 4 is loosened, at this time, the rotating plate 2 is in an active state, the rotating plate 2 can rotate relative to the substrate 1, then, the position of the clamping plate 3 is adjusted by adjusting the relative angle between the rotating plate 2 and the substrate 1, the offset angle of the clamping plate 3 is adjusted to be equal to the angle just opposite to the offset of the camshaft, so that the clamping plate 3 just faces two oppositely-arranged side faces of the hexagonal structure of the camshaft, then, the clamping plate 3 is clamped into the hexagonal structure, so that the hexagonal structure is clamped, finally, the fastener 4 is fastened, so that the assembling tool 100 fixes the camshaft, and when next camshaft fixing is performed, the offset angles of the rotating plate 2 and the clamping plate 3 can be adjusted again according to the offset angle of the camshaft, so. The engine timing system assembly fixture 100 of this embodiment rotates with the skew angle of adjustment cardboard 3 through rotor plate 2, make cardboard 3 can adapt to the assembly of the camshaft of different angles, the assembly efficiency of engine timing system has been promoted, simultaneously because cancelled the strict requirement to camshaft skew angle, it is more nimble when the camshaft preparation, to the camshaft of only rotation angle and molded lines fine setting, need not to develop the mould alone, the manufacturing cost of camshaft has greatly been practiced thrift, the whole manufacturing cost of engine has been reduced, and the manufacturing efficiency and the qualification rate of camshaft have been promoted mutually in the change.
Further, as shown in fig. 1 to 3, the rotating plate 2 of the present embodiment includes a rotating portion 21 and an extending portion 22 connected to each other, a positioning hole 211 is formed in the rotating portion 21, a fastening bolt 41 is a fastening bolt 4, the rotating portion 21 is fixed on the base plate 1 by the fastening bolt 41, and the clamping plate 3 is connected to the extending portion 22. The fastening bolts 41 are flange bolts, nuts corresponding to the flange bolts are welded on the substrate 1, and the fastening degree of the substrate 1 and the rotating plate 2 is adjusted by screwing the flange bolts. Rotating part 21 is circular platelike, and the centre of a circle position at rotating part 21 is seted up to locating hole 211, and extension 22 extends to one side of keeping away from base plate 1 from rotating part 21, and cardboard 3 demountable installation is on extension 22, and rotating part 21 passes through locating hole 211 and rotates around location arch 11, through the skew angle of extension 22 adjustment cardboard 3 for cardboard 3 can be with the hexagonal structure chucking of camshaft.
Further, as shown in fig. 1 to 3, the substrate 1 of the present embodiment is provided with a first mounting hole 12 for the fastening bolt 41 to pass through, the rotating portion 21 is provided with an annular second mounting hole 212 for the fastening bolt 41 to pass through, the fastening bolt 41 passes through the second mounting hole 212 and the first mounting hole 12 to fix the rotating portion 21 on the substrate 1, and the second mounting hole 212 is disposed around the positioning hole 211. The distance from the first mounting hole 12 to the circle center of the positioning protrusion 11 is equal to the distance from the second mounting hole 212 to the circle center of the positioning hole 211, so that the first mounting hole 12 and the second mounting hole 212 can be aligned and mounted conveniently, when the rotating part 21 rotates, the fastening bolt 41 slides along the second mounting hole 212, the mounting position of the fastening bolt 41 in the second mounting hole 212 is changed, the rotation of the rotating part 21 can be completed without taking down the fastening bolt 41, the use is convenient, and the condition that the rotating plate 2 is loosened when rotating is avoided.
In this embodiment, the number of the first mounting holes 12 is plural, the plural first mounting holes 12 are sequentially arranged at intervals, and the plural first mounting holes 12 are arranged around the positioning protrusion 11. The plurality of first mounting holes 12 can more stably fix the rotating plate 2 to the base plate 1.
In an embodiment of the present invention, as shown in fig. 1 and 2, the number of the first mounting holes 12 is two, two fastening bolts 41 are correspondingly disposed in the two first mounting holes 12, and the two fastening bolts 41 can effectively fix the rotating plate 2 and the base plate 1, ensure work efficiency, and avoid the situation that the tightening process is complicated due to the excessive number of the fastening bolts 41.
As shown in fig. 1 and 2, the scale 13 is provided on the base plate 1 of the present embodiment, the scale 13 is provided in a semicircular shape around the rotating portion 21, and the scale 13 is used to measure the offset angle of the hexagonal structure. After measuring the skew angle of the hexagonal structure of camshaft through scale 13, adjust the skew angle of rotor plate 2 and the skew angle of the hexagonal structure of camshaft and equal for cardboard 3 can be more accurate chucking hexagonal structure, improved work efficiency and work precision.
In an embodiment of the invention, marks corresponding to the types of the cams can be added, different cam shaft types can be accurately obtained, different clamping plates 3 can be replaced to adapt to different cam shafts, and the application range of the assembly tool 100 is widened.
In the present embodiment, as shown in fig. 1 and 3, an edge of the rotating portion 21 facing away from the extending portion 22 is provided with a pointer 213, and the pointer 213 is used for indicating a numerical value on the scale 13. The pointer 213 facilitates the staff to read the scale value on the scale 13 quickly and conveniently, and improves the working efficiency.
As shown in fig. 1 and 4, in the present embodiment, the card board 3 includes a mounting portion 31 and a clamping portion 32 connected to each other, the mounting portion 31 is mounted on the extending portion 22, the clamping portion 32 includes two clamping jaws 321 extending from one end of the mounting portion 31 far away from the extending portion 22, and the two clamping jaws 321 are used for abutting against two oppositely disposed edges of the hexagonal structure. Form a joint space between two jack catchs 321, the hexagonal structure chucking is in the joint space, and two opposite border butt that sets up with two hexagonal structures respectively in one side that two jack catchs 321 are relative to make chucking part 32 fixed the camshaft, prevent effectively that the camshaft from rotating.
Further, as shown in fig. 1 and 4, a locking groove 311 is formed on the mounting portion 31, a locking block 221 is arranged on the extending portion 22 corresponding to the locking groove 311, and the locking block 221 is locked in the locking groove 311. Cardboard 3 and 2 joints of rotor plate, make things convenient for the dismantlement of cardboard 3, the cardboard 3 of different models is in time changed to the camshaft of different models to the convenience, so that the camshaft of the different models of 3 adaptations of cardboard, make things convenient for assembly fixture 100's use, draw-in groove 311 is rectangular type with fixture block 221 simultaneously, the extending direction of draw-in groove 311 and fixture block 221 all is perpendicular with cardboard 3 to the direction of extension 22, it is spacing to carry out cardboard 3, thereby avoid cardboard 3 to lead to the unable fixed camshaft of cardboard 3 along with the camshaft rotation, assembly work's stability has further been guaranteed.
Further, as shown in fig. 1 and 4, the length of the latch groove 311 is greater than the length of the latch 221, and the latch 221 is slidably engaged along the length of the latch groove 311. Slide along draw-in groove 311 through fixture block 221, can change the relative position of cardboard 3 and rotor plate 2 to when solving camshaft and cardboard 3 relative position and changing, need remove cardboard 3 technical problem again, further promoted assembly fixture 100's application scope, facilitate the use. In this embodiment, the length direction of the slot 311 is the same as the connecting line between the two claws 321.
In this embodiment, as shown in fig. 1 and 4, chamfers 322 are formed on the inner edges of the claws 321. Two jack catchs 321 set up relatively, and chamfer 322 has all been seted up to the relative one side edge of two jack catchs 321, and when jack catch 321 docks with the hexagonal structure, make things convenient for the contact cooperation of jack catch 321 and hexagonal structure, convenient assembly has improved assembly efficiency.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an engine timing system assembly fixture, engine timing system assembly fixture is used for fixed engine camshaft, its characterized in that, engine timing system assembly fixture includes:
the substrate is provided with a positioning bulge;
a rotating plate, wherein the rotating plate is provided with a positioning hole, the positioning hole is sleeved on the positioning bulge, the positioning hole is rotatably connected with the positioning bulge,
the clamping plate is connected with the rotating plate and used for clamping the hexagonal structure of the camshaft;
a fastener to secure the rotating plate to the base plate.
2. The assembly fixture for the engine timing system according to claim 1, wherein the rotating plate comprises a rotating portion and an extending portion which are connected, the positioning hole is formed in the rotating portion, the fastening member is a fastening bolt, the rotating portion is fixed on the base plate through the fastening bolt, and the clamping plate is connected with the extending portion.
3. The assembly fixture for the engine timing system according to claim 2, wherein a first mounting hole for the fastening bolt to pass through is formed in the base plate, an annular second mounting hole for the fastening bolt to pass through is formed in the rotating portion, the fastening bolt passes through the second mounting hole and the first mounting hole to fix the rotating portion to the base plate, and the second mounting hole is disposed around the positioning hole.
4. The engine timing system assembling tool as set forth in claim 3, wherein the number of the first mounting holes is plural, the plural first mounting holes are arranged in sequence at intervals, and the plural first mounting holes are arranged around the positioning projection.
5. The engine timing system assembling tool as set forth in claim 2, wherein a scale is provided on said base plate, said scale being disposed in a semicircular shape around said rotating portion, said scale being used for measuring an offset angle of said hexagonal structure.
6. The engine timing system assembling tool as set forth in claim 5, characterized in that an edge of the rotating part facing away from the extending part is provided with a pointer for indicating a value on the scale.
7. The engine timing system assembling tool of claim 2, wherein the clamping plate comprises an installation part and a clamping part which are connected, the installation part is installed on the extension part, the clamping part comprises two clamping jaws which extend from one end of the installation part, which is far away from the extension part, and the two clamping jaws are used for being abutted against two oppositely arranged side faces of the hexagonal structure.
8. The assembly tool for the engine timing system as recited in claim 7, wherein a clamping groove is formed on said mounting portion, a clamping block is arranged on said extending portion corresponding to said clamping groove, and said clamping block is clamped in said clamping groove.
9. The engine timing system assembling tool as set forth in claim 8, wherein the length of said catching groove is longer than the length of said catching block, and said catching block is fitted in sliding contact along the length direction of said catching groove.
10. The engine timing system assembly fixture of claim 7, wherein chamfers are formed on the inner side edges of the jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101099.6A CN112276510B (en) | 2020-10-13 | 2020-10-13 | Engine timing system assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101099.6A CN112276510B (en) | 2020-10-13 | 2020-10-13 | Engine timing system assembly fixture |
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| Publication Number | Publication Date |
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| CN112276510A true CN112276510A (en) | 2021-01-29 |
| CN112276510B CN112276510B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011101099.6A Active CN112276510B (en) | 2020-10-13 | 2020-10-13 | Engine timing system assembly fixture |
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| US20180264605A1 (en) * | 2017-03-14 | 2018-09-20 | Mahle International Gmbh | Method for installing an ajustable camshaft and installation device |
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| KR0182112B1 (en) * | 1996-12-12 | 1999-05-01 | 현대자동차주식회사 | Piston valve tuning jig of shock-absorber |
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| CN112276510B (en) | 2022-04-15 |
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