CN104625381A - Clutch drum assembly manufacturing method - Google Patents
Clutch drum assembly manufacturing method Download PDFInfo
- Publication number
- CN104625381A CN104625381A CN201410780231.9A CN201410780231A CN104625381A CN 104625381 A CN104625381 A CN 104625381A CN 201410780231 A CN201410780231 A CN 201410780231A CN 104625381 A CN104625381 A CN 104625381A
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- China
- Prior art keywords
- clutch drum
- drum assembly
- surface part
- face portion
- manufacture method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/14—Projection welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/064—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
- F16D1/068—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving gluing, welding or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Operated Clutches (AREA)
- Resistance Welding (AREA)
Abstract
The present invention discloses a clutch drum assembly manufacturing method, wherein the clutch drum assembly (1) is composed of a clutch drum (2) used for transmitting the power of a generator, and a power transmitting part (3) engaged onto the lateral part (21) of a clutch drum (2). At least one surface out of the lateral part (21) and the end-surface part (31) of the power transmitting part (3) is provided with a bulged melt-coated part (32). Clamped between the lateral part (21) and the end-surface part (31) of the power transmitting part (3), the lateral part (21) and the end-surface part (31) of the power transmitting part (3) are configured to press tightly and weld the bulged melt-coated part (32) in the electric resistance welding manner via electrodes (81) and (82). After that, a welding combination part (32) is formed by the welded bulged melt-coated part (32), so that the lateral part (21) and the end-surface part (31) are welded together.
Description
Technical field
The present invention relates to a kind of manufacture method of clutch drum assembly, especially relate to a kind of manufacture method of the clutch drum assembly adopting electric resistance welding mode the side surface part of clutch drum to be combined with the end face portion of power transmission parts.
Background technology
Use in order to the clutch drum of the sprocket wheel with centrifugal clutch that make driving chain saw combines under harsh conditions that driving moment that the clutch drum assembly produced can produce at engine or load sharply change etc., extraordinary bond strength must be ensured.Therefore, the various welding methods of soldering or electric resistance welding etc. are adopted to be known (example: patent document 1,2) as the sprocket wheel of composition clutch drum assembly and the associated methods of clutch drum.
At first technical literature:
Patent document 1: Japan, JP 07-003252 publication (with reference to paragraph 0002 ~ 0011, Fig. 2,4,8);
Patent document 2: Japan, speciallys permit No. 3799044 publication (with reference to requirement 1, paragraph 0015, Fig. 3).
But the method that the employing soldering described in patent document 1 combines, owing to being the process done in high temperature furnace, therefore driven shaft is by de-for appearance charcoal or diffusion annealing phenomenon, causes the raw tissue of clutch drum to become fragile and softens.Thus need heat treatment and the milled processed processing of doing next step, cause the problem that manufacturing procedure increases.
The method that employing electric resistance welding described in patent document 2 combines, under the state jut that the 1st metal parts (sprocket wheel) is formed being fitted to the notch that the 2nd metal parts is formed, notch is properly fit onto in order to make this jut, need the processing increasing jut and notch, thus the problem causing manufacturing procedure to increase.
Summary of the invention
The present invention is the invention in view of producing under above this background, provide a kind of with high-performance, lightweight, reduction manufacturing process to guarantee low cost, also to guarantee the manufacture method of the clutch drum assembly of extraordinary bond strength simultaneously.
In order to solve the problems of the technologies described above, the manufacture method of clutch drum assembly of the present invention is the clutch drum assembly manufacture method with the clutch drum transmitting engine power by clutch apparatus and the power transmission parts engaged in the side surface part of this clutch drum, its special card is, at least in one side, convex melt-coating part is formed in the end face portion of described clutch drum side surface part and described power transmission parts, and under the state that convex melt-coating part is clamped between described side surface part and described end face portion, electric resistance welding is adopted to press this side surface part while weld this convex melt-coating part with this end face portion electrode side, thus by the welded joint that generates of convex melt-coating part after welding, this side surface part and this end face portion is made to carry out solder bond.
The manufacture method of the clutch drum assembly that the present invention relates to adopts electric resistance welding to press with the convex melt-coating part that in described end face portion, at least one side is above formed described side surface part to weld.Thus the deposition joint portion by the convex melt-coating part after soldered generates, make the end face portion of the side surface part of described clutch drum and described power transmission parts carry out solder bond.Therefore, the welded joint between the side surface part of clutch drum and the end face portion of power transmission parts mutually closely gets involved together, so just it ensures extraordinary bond strength.
Therefore, the manufacture method of the clutch drum assembly that the present invention relates to just in time can be applicable to the engagement means as clutch drum and power transmission parts, is used under the harsh conditions that the driving moment that clutch drum assembly can be produced at engine or load sharply change etc.
Also have, the manufacture method of clutch drum assembly involved in the present invention be adopt described in side surface part and described end face portion at least one side go up the one forming convex melt-coating part and process form very easily, namely notch need not be formed, also jut need not be dissolved is fitted in notch, also extraordinary bond strength can be guaranteed, therefore, it is possible to effectively suppress the increase of manufacturing procedure and manufacturing process.
So, the manufacture method of the clutch drum assembly that the present invention relates to also can guarantee extraordinary bond strength can reduce while manufacturing process reduces costs.
As to further improvement of the present invention, described clutch drum has the through hole formed on the central part of described side surface part and the recess formed in the inner peripheral portion of this through hole.And described power transmission parts, have axle that the through hole that formed in described end face portion inserts and being embedded in described recess and the riveted protuberance riveted together of being formed on the peripheral part of this axle.Thus by described recess and the mutual riveted of riveted protuberance, make described side surface part and described end face portion be combined in one piece.
According to required formation, recess, such as, form the power transmission parts of the axle center part shape met, and described recess and described riveted protuberance are riveted together, thus making combining of described side surface part and described end face portion, this kind of way applies more firmly anti-rotation function can to clutch drum assembly.Therefore, under the very large even more exacting terms of the driving moment of engine, also can be suitable for well.
Further again, the inner peripheral portion of described through hole adopt the hole mode of taking out of gear shape form flange part.
According to required formation, the inner peripheral portion of described through hole, what adopt gear shape takes out the flange part that hole mode axially forms extension, thus can improve the rigidity of the inner peripheral portion of described through hole, and, more effectively can pass on the torsion of gyratory directions.
Therefore, even if the present invention also can be suitable under the harsh service condition that the driving torsion of engine is very large.In addition, with the flange part that the hole mode of taking out of gear shape is formed, its rigidity is improved, thus can the thickness of slab of clutch drum do thin to seek light-weighted while, more cut down manufacturing process than adopting the manufacture method of machining.
In technique scheme, described power transmission parts, are the geared parts formed by extending multiple teeth portion laterally from peripheral part radial direction, and in described teeth portion, define described convex melt-coating part.
Form according to this, the teeth portion of geared parts is utilized as riveted protuberance, effectively can suppress the increase of manufacturing procedure.
Another technical scheme of the present invention: clutch drum assembly manufacture method, it is the manufacture method of the clutch drum assembly with the clutch drum transmitting engine power by clutch apparatus and the power transmission parts engaged in the side surface part of this clutch drum, its special card is, in the side surface part of described clutch drum and the end face portion of described power transmission parts, at least one side forms convex shaped part, under the state being inserted into the through cave formed on another side, described convex shaped part is carried out riveted, make described clutch drum and described power transmission parts as together with joined integrally.
This kind is formed, and can guarantee higher anti-rotation function simply to be formed, and clutch drum and described power transmission parts can be combined as one.
In addition, the power transmission parts that sprocket wheel and gear etc. are formed by multiple teeth portion on this description, geared parts is referred to as.
The invention has the beneficial effects as follows: the manufacture method of clutch drum assembly involved in the present invention, accomplished reduce manufacturing process and while reducing costs, also ensure that extraordinary bond strength.Therefore, can be applicable to well under driving torsion that engine produces or the harsh service condition that load sharply changes etc. by the clutch drum assembly of the chain saw that uses etc.
Accompanying drawing explanation
Fig. 1 represents that clutch drum assembly of the present invention implements oblique drawing of the state.
Fig. 2 is the clutch drum structure chart forming clutch drum assembly, the right view of (a) to be (b) along I-I line positive view, (b) be clutch drum.
Fig. 3 is the chain sprocket structure figure forming clutch drum assembly, (a) be (b) along II-II line positive view, (b) is the right view of sprocket wheel.
Fig. 4 represents the formation state diagram of clutch drum assembly of the present invention, and (a) is the oblique view under decomposing state, and (b) is the positive view under confined state.
Fig. 5 represents the sectional view of clutch drum assembly manufacture method of the present invention, a () is state sprocket wheel being installed to electrode on one side, b () assembles clutch drum on sprocket, and by the state that the electrode of another side clamps, (c) is the state of welding convex melt-coating part in electric resistance welding mode.
Fig. 6 is the clutch drum structure chart of the clutch drum assembly involved by the present invention the 1st variant embodiment, (a) be (b) along III-III line positive view, (b) is the right view of clutch drum.
Fig. 7 is the chain sprocket structure figure of the clutch drum assembly involved by the present invention the 1st variant embodiment, (a) be (b) along IV-IV line positive view, (b) is the right view of sprocket wheel.
Fig. 8 is the formation state diagram of the clutch drum assembly involved by the present invention the 1st variant embodiment, and (a) is the oblique view under decomposing state, and (b) is the positive view under confined state.
Fig. 9 is the formation state diagram of the clutch drum assembly involved by the present invention the 2nd variant embodiment, and (a) is the oblique view under decomposing state, and (b) is the positive view under confined state.
Figure 10 is the variant embodiment of the sprocket wheel of clutch drum assembly involved by the invention process form, (a) be (b) along V-V line positive view, (b) is the right view of sprocket wheel.
Figure 11 is the formation state diagram of the clutch drum assembly involved by the present invention the 3rd variant embodiment, and (a) is the oblique view under decomposing state, and (b) is the positive view under confined state.
Figure 12 represents the sectional view of the clutch drum assembly manufacture method involved by the present invention the 3rd variant embodiment, a () is state sprocket wheel installed on riveted tool on one side, b () is that clutch drum is installed on sprocket wheel, and the state that clamps is carried out with the riveted tool of another side, (c) is the state after riveted convex shaped part.
Symbol description:
1,1A, 1B, 1C clutch drum assembly;
2,2A, 2B, 2C clutch drum;
3,3A, 3B, 3C sprocket wheel (power transmission parts);
12 clutch apparatus;
21,21A, 21B, 21C Side face;
21a convex dissolves portion;
The anti-rotation hole of 21Ba;
23, the through cave of 23A, 23B, 23C;
23a flange part;
24 recesses;
31,31A, 31B, 31C end face portion;
31a, 31aB internal nib (BOSS portion);
Protuberance closes in 31b system;
32,32C convex dissolves portion;
32Ca jut (convex shaped part);
34 teeth portion;
81,82 electrodes;
320 welded joint.
Detailed description of the invention
For the manufacture method of clutch drum assembly 1 involved in the present invention, be described in detail referring to figs. 1 through Fig. 5.
As shown in Figure 1, clutch drum assembly 1 comprises clutch drum 2 and sprocket wheel 3 joined integrally on clutch drum 2, and this sprocket wheel 3 is as the power transmission parts transmitting engine power.Clutch drum assembly 1 carries the boarded parts above chain saw etc., its device passes through turning cylinder 11 transmission of drive force from engine, be delivered to from clutch drum 2 on sprocket wheel 3 by the clutch apparatus such as centrifugal clutch 12 again, its chain saw 13 rotary actuation is got up.
The side surface part 21 of clutch drum 2 as shown in Figure 5, is produced clutch drum assembly 1 by clutch drum assembly 1 manufacture method involved by the embodiment of the present invention together with end face portion 31 solder bond of sprocket wheel 3.
In addition, in the present embodiment, make an example using the geared parts sprocket wheel 3 formed as multiple teeth portion 34 of power transmission parts and illustrate, but be not limited thereto.Even if geared parts is the gear of horizontal gear etc., or power transmission parts are not geared parts, or pass on parts to transmit the pulley etc. of power by the ring-type of wheel belt etc., can be suitable for too.
Clutch drum:
Clutch drum 2 forms (not shown) clutch apparatus 11(such as clutch components with reference to Fig. 1) parts.As shown in Figure 2, clutch drum 2 has and such as adopts the mode such as stamping to be shaped the cup-like structure with the end, be configured with side surface part 21 bottom clutch drum 2, the continuous orthogonal axial direction in portion 21 extends and forms drum body portion from the side, and this drum body portion forms circular drum portion 22.
Clutch drum 2, being mounted in the clutch components (not illustrating) on the power transmission shaft 11 of not shown engine, by being pressed in the inner peripheral portion in drum portion 22, making driving force be passed out.
Side surface part 21 has, the through hole 23 formed at central part (axle center part) and the recess 24 formed in the inner peripheral portion of this through hole 23 and in the inner peripheral portion of through hole 23 to take out the flange part 23a that hole machined mode is formed.Through hole 23 and recess 24, such as, adopt stamping (punching processing) mode, can process simultaneously.
Recess 24 is the base end parts in order to meet the teeth portion 34 formed on sprocket wheel 3, and the shape generating slightly platform shape is formed.Circumferentially 8 deciles, are provided with 8 places.In the inner peripheral portion of through hole 23, define flange part 23a(reference Fig. 2 (b) comprising all-round recess 24).
Flange part 23a axially extends and is formed.After forming the punching processing of through hole 23 and recess 24, can hole machined mode be taken out by stamping and be shaped out.The inner peripheral portion and recess 24 of through hole 23 form flange part 23a, the rigidity of recess 24 is improved more, thus can inerrably transmit driving torsion.
What represent with the locking wire (virtual) of two on Fig. 2 (b) is the shape of the teeth portion 34 of sprocket wheel 3.The shape of recess 24 meets the shape of the base end part of the teeth portion 34 of sprocket wheel 3, and the bottom of the teeth portion of sprocket wheel 3 (base portion) can be embedded in recess 24.(with reference to Fig. 5 (b)).
In addition, in the present embodiment, be adopt stamping processing mode to produce clutch drum 2, but be not limited to the method, also the methods such as shape can be caused to make by other machining or Forging.
Sprocket wheel:
As shown in Figure 3 (b), sprocket wheel 3 be by peripheral part chain 13(with reference to Fig. 1) on by be conjunction multiple teeth portion 23(the present embodiment in 8 deciles, be configured with 8 places) geared parts that formed.Sprocket wheel 3 as shown in Fig. 3 (a), also have the left end face portion of end face portion 31(figure) axis hole 33 that is embedded into into of the upper convex melt-coating part 32 that formed and not shown axle.
Convex melt-coating part 32 is formed on the first end of teeth portion 34.In order to axially give prominence to from the end face of teeth portion 34, its shape illustrates the summary triangular pyramidal shape that section is rectangular triangle.Convex melt-coating part 32, man-hour is added at employing electric resistance welding, there is big current to flow out, welded being clamped under the state between the side surface part 21 of clutch drum 2 and the end face portion 31 of sprocket wheel 3, make the side surface part of clutch drum 2 together with end face portion 31 solder bond of sprocket wheel 3.
And, the end face portion on the end face portion 31(figure left side of sprocket wheel 3) on, also form the internal nib outstanding to axial direction (BOSS portion) 31a.This internal nib
(bOSS portion) 31a be inserted in the through hole 23 of clutch drum 2 state under (with reference to Fig. 5 (b)), the side surface part 21 of clutch drum 2 and the end face portion 31 of sprocket wheel 3 combine as one.(with reference to Fig. 5 (c)).
Therefore, in order to make the peripheral part of internal nib (BOSS portion) 31a meet the recess 23 that also can be embedded into the platform shape shape of clutch drum 2, what define the platform shape shape consistent with the shape of the bottom of teeth portion 34 is close protuberance 31b.
Then, for the manufacture method of clutch drum assembly 1, as emphasis, please refer to Fig. 4 and Fig. 5 and be described.
The manufacture method of clutch drum assembly 1 is, under the state that the convex melt-coating part 32 formed in the end face portion 31 of sprocket wheel 3 is clamped between the side surface part 21 of clutch drum 2 and the end face portion 31 of sprocket wheel 3, adopt the electric resistance welding such as spot welding and projection welding mode, electrode 81 and the electrode 82 of another side between the resistance heat of big current generation that flows out the side surface part 21 of clutch drum 2 together with end face portion 31 solder bond of sprocket wheel 3.
As shown in Fig. 5 (a), electric level 81 are the electrodes settled in order to positioned chain wheels, be configured to the below of figure.The portion's material making guiding from ceramic material is embedded in top.The electrode 82 of another side, as shown in Fig. 5 (b), is configured in the top of figure.Use the electrode 82 of electrode 81 on one side and another side to clamp, and press and carry out electric resistance welding.
Positioning process:
Concrete as shown in Fig. 5 (a), electrode 81 on make convex melt-coating part 32 upward sprocket wheel 3 is placed on electrode 81 state under, make the through hole 23 of the internal nib of sprocket wheel 3 (BOSS portion) 31a and clutch drum 2 aim at axle center and position.(with reference to Fig. 4)
Solder bond operation:
As shown in Fig. 5 (b), clutch drum 2 is moved on to the below of figure, then the through hole 23 of clutch drum 2 is embedded in internal nib (BOSS portion) 31a of sprocket wheel 3.Now, what the recess 24 of clutch drum 2 was fitted to sprocket wheel 3 is close on protuberance 31b.Under the end face portion 31 of sprocket 3 being formed the state that convex melt-coating part 32 is clamped between the side surface part 21 of clutch drum 2 and the end face portion 31 of sprocket wheel 3, carry out electric resistance welding work.
In solder bond operation, adopt electric resistance welding mode the side surface part 21 of clutch drum 2 and the end face portion 31 of the sprocket wheel 3 electric level 81 on one side and the electrode 82 of another side to be clamped from outside, and press the end face portion 31 of the side surface part 21 of clutch drum 2 and sprocket wheel 3 is carried out solder bond.
Clutch drum assembly 1 involved by the embodiment of the present invention as shown in Fig. 5 (c), the end face portion 31 of the side surface part 21 of clutch drum 2 and sprocket wheel 3 by welded joint 320 by together with solder bond securely.Welded joint 320, with electric resistance welding, convex melt-coating part 32 is welded, and this convex melt-coating part 32, when welded, carries out miscible with the surface of clutch drum 2 side surface part 21 and the surface of sprocket wheel 3 end face portion 31, form intermolecular being mutually mixed into and fused dissolve mixing unit.
The manufacture method of the clutch drum assembly 1 involved by the embodiment of the present invention as constructed as above achieves following effect.
Because welded joint 320 adopts electric resistance welding mode that convex is dissolved portion 32 to dissolve, and the surface of the side surface part 21 of clutch drum 2 is fused to produce into while being pressed with the surface of the end face portion 31 of sprocket wheel 3 dissolves mixing unit, therefore has very high bond strength.
And, because welded joint 320 is closely got involved between the side surface part 21 of clutch drum 2 and the end face portion 31 of sprocket wheel 3.Therefore suitably can set the volume that convex dissolves portion 32, and ensure bonded area fully.
Therefore, the manufacture method of clutch drum assembly 1, also can just in time be applicable under the driving torsion that produces as the engine such as chain saw or load harsh conditions jumpy by the engagement means of the clutch drum 2 of the chain saw that uses etc. with sprocket wheel 3.
And, in the end face portion 31 of sprocket 3, form due to being that employing is a kind of the easy processing form that convex dissolves portion 32, therefore, effectively can prevent the increase of manufacturing procedure and manufacturing process.
Secondly, in the present embodiment, clutch drum 2 is shaped in the mode such as stamping, and in the end face portion 32 of sprocket wheel 3, defines convex dissolve portion.But be not limited thereto, even if the convex portion of dissolving not is not formed and formed also passable on the side 21 of clutch drum 2 in the end face portion 32 of sprocket wheel 3, can also be formed on the both sides of the side 21 of the end face portion 32 of sprocket wheel 3 and clutch drum 2.
In addition, in the present embodiment, owing to the through hole 23 of clutch drum 2 being embedded in the internal nib (BOSS portion) of sprocket wheel 3, what make its sprocket wheel 3 is that the recess 24 closing protuberance 31b and clutch drum 2 is entrenched togather, and in the inner peripheral portion and recess 24 of clutch drum 2, define flange part 23a, therefore, higher anti-rotation function can be added.But be also not limited thereto, be required to and according to the service condition of the driving torsion acted on clutch drum 2 and power transmission parts etc., suitably can have carried out design alteration.
It is below the explanation of the variation 1 to 3 about the clutch drum assembly 1 involved by the embodiment of the present invention.
About the variation 1 of the clutch drum assembly 1 involved by the embodiment of the present invention is as emphasis, please refer to Fig. 6 to Fig. 8 and be described.The embodiment of clutch drum assembly 1A in the following areas with described involved in variation 1 is different.Clutch drum assembly 1 in the end face portion 31 of sprocket wheel 3, defines convex weld portion 32, but on sprocket 3A, do not design convex melt-coating part, and on the side surface part 21A of clutch drum 2A, define hemispheric convex melt-coating part 21a, and on the through hole 23A of clutch drum 2A and on recess 24, be not designed into flange part.
In the explanation of the clutch drum assembly 1A related in variation 1, mainly the difference with above-mentioned clutch drum assembly 1 is described.And same symbol will be enclosed for the formation same with clutch drum assembly 1 and do not add repeat specification.
The clutch drum 2A of clutch drum assembly 1A as shown in Figure 6, have at the upper through hole 23A formed of the central part (axle center part) of side surface part 21A, with the hemispheric convex melt-coating part 21a also formed outside radius vector direction than through hole 23A, and the recess 24 formed in the inner peripheral portion of through cave 23A.
Hemispheric convex melt-coating part 21a is outstanding to the direction of the end face portion 31A of sprocket wheel 3A, and does not form concavity on the upside of axial inner peripheral portion.Convex melt-coating part 21a is equivalent to, and is designed into the convex melt-coating part 32 in the end face portion 31 of sprocket wheel 3 in the above-described embodiments.And serve same effect, therefore will not in addition repeat specification.
Sprocket wheel 3A as shown in Figure 7 (a), although define internal nib (BOSS portion) 31a on end face portion 31A, owing to not forming convex melt-coating part on the first end of the end face of teeth portion 34, therefore presents plane.Therefore, as shown in Figure 8 (b) shows, the first end of end face of the teeth portion 34 of sprocket wheel 3A is being worked as under the state being connected on the hemispheric convex melt-coating part 21a that the side surface part 21A of clutch drum 2A is formed, weld hemispheric convex melt-coating part 21a in electric resistance welding mode and define welded joint (not shown), making the side surface part 31A solder bond of sprocket wheel 3A on the side surface part 21A of clutch drum 2A.In addition, welding welded joint (not shown) that hemispheric convex melt-coating part 21a formed is are same formations with the welded joint 320 such as shown in Fig. 5 (c), therefore will save detailed description.
Then, about the variation 2 of the clutch drum assembly 1 that the embodiment of the present invention relates to, be described as emphasis with reference to Fig. 9.The clutch drum assembly 1B that variation 1 relates to, mainly different with the form of the inner peripheral portion of the clutch drum 2 of described embodiment and internal nib (BOSS portion) 31a of sprocket wheel 3.
As shown in Figure 9, this point that through hole 23B is formed with circle, with the clutch drum 2(defining recess 24 with reference to Fig. 4 for the clutch drum 2B of clutch drum assembly 1B) not identical one side.On sprocket wheel 3, internal nib (BOSS portion) 31a is in conforming to and the circular shape of through hole 23B, and this point is and is close sprocket wheel 3(that protuberance 31b formed on the peripheral part of internal nib (BOSS portion) 31a with reference to Fig. 4) be not identical.
The manufacture method of clutch drum assembly 1B is identical with clutch drum assembly 1, therefore not repeat specification in addition.Adopt electric resistance welding mode convex to be dissolved portion 32 to melt equally, the surface of the surface of the side surface part 21B of clutch drum 2B and the end face portion 31B of sprocket wheel 3B is bulged-in carries out melting simultaneously and has been mixed to form welded joint (not shown), and there is very high bond strength, also can play anti-rotation function.
Therefore, the manufacture method of clutch drum assembly 1B, just in time can be applicable to picture chain saw etc., the engagement means between the clutch drum 2B of the chain saw under the harsh service condition that the driving torsion that engine produces or load sharply change etc. etc. and sprocket wheel 3B.
Above, embodiments of the invention and variation are illustrated, but the present invention is not restricted to the above embodiments, also may does suitable change and implement.
Such as, convex involved in the above embodiments dissolves portion 32(with reference to Fig. 3 (a)), in order to make it axially give prominence to from the end face of teeth portion 34, diagram section is formed as the summary triangular pyramidal of right angled triangle.But be not limited thereto, as shown in Figure 10 (a) shows, diagram section also can be formed as in scalene slightly triangular pyramidal.In a word, consider that convex dissolves the shape in portion, the shape of power transmission portion material, the convenience of processing, welded joint 320(with reference to Fig. 5 (c)) form etc., suitably set.
3rd variation:
In addition, the manufacture method of the clutch drum assembly 1 involved by the above embodiments, while adopting electric resistance welding mode to press side surface part 21 and end face portion 31, dissolve protuberance 32, the inner peripheral surface of protuberance 32 and clutch drum 2 by welded joint 320(with reference to Fig. 5 (c)) melt and combine.But, clutch drum assembly 1C involved by variation 3, be not side surface part 21C and end face portion 31C by welded joint 320 with reference to Fig. 5 (c)) melt combine, but also can be as shown in figs. 1 and 12, just the jut 32Ca of convex shaped part is carried out riveted to fix, clutch drum 2C and sprocket wheel 3C can be rotated as one.
Clutch drum assembly 1C as shown in figure 11, the slightly leg-of-mutton anti-rotation hole 21Ca that the side surface part 21C having a clutch drum 2C is formed and meet this anti-rotation hole 21Ca and be slightly leg-of-mutton protuberance 32Ca in the section portion in the convexly portion that the end face portion of sprocket wheel 3 is formed.
The manufacture method of clutch drum assembly 1C, owing to being that the jut 32Ca in convexly portion is carried out riveted, clutch drum 2C and sprocket wheel 3C is fixed as one rotary type, jut 32Ca be fitted and be incorporated in anti-rotation hole 21Ca, thus can add and clutch drum assembly 1(with reference to Fig. 5 (c)) same anti-rotation function.
In addition, in this variation 3, the side surface part 21C of clutch drum 2C is formed anti-rotation hole 21Ca, the end face portion 31C of sprocket wheel 3C on the leading section that the convex formed dissolves portion 32C define the section meeting anti-rotation hole 21Ca is slightly leg-of-mutton jut 32Ca, but be not limited thereto, the shape of jut 32Ca is section also can be circular, also can form jut (not shown) at the side surface part 21C of clutch drum 2C and and the diverse location dissolving portion 32 in the convex that the end face portion of sprocket wheel 3 is formed form anti-rotation hole.
The above is only better embodiment of the present invention, every above embodiment is done according to technical scheme of the present invention any trickle amendment, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (5)
1. clutch drum assembly manufacture method, it is the manufacture method of the clutch drum assembly with the clutch drum transmitting engine power by clutch apparatus and the power transmission parts engaged in the side surface part of this clutch drum, its special card is: in the side surface part of described clutch drum and the end face portion of described power transmission parts, at least in one side, form convex melt-coating part, and under the state that this convex melt-coating part is clamped between described side surface part and described end face portion, adopt electric resistance welding mode, this side surface part and this end face portion electrode side are pressed while carry out welding this convex melt-coating part, after welding, convex melt-coating part forms welded joint, make this side surface part together with this end face portion solder bond.
2. clutch drum assembly manufacture method according to claim 1, is characterized in that: described clutch drum has the recess that the through cave that formed on the centre bore of described side surface part and the inner peripheral portion in this through cave are formed; Described power transmission parts, then having the internal nib through above-mentioned through cave that formed in described end face portion and being incorporated in the embedding system that the peripheral part of this internal nib is formed in described recess is conjunction protuberance; Described recess and described be close protuberance under the state being conjunction, side surface part described in solder bond and described end face portion.
3. clutch drum assembly manufacture method according to claim 2, is characterized in that: generate flange part in the inner peripheral portion of described through hole to take out hole mode.
4. according to the clutch drum assembly manufacture method in Claim 1-3 described in any one, it is characterized in that: described power transmission parts are the geared parts extending multiple teeth portion laterally from peripheral part radial direction and formed, and in described teeth portion, form described convex weld part.
5. clutch drum assembly manufacture method, it is the manufacture method of the clutch drum assembly with the clutch drum transmitting engine power by clutch apparatus and the power transmission parts engaged in the side surface part of this clutch drum, its special card is: in the side surface part of described clutch drum and the end face portion of described power transmission parts, at least one side forms convex shaped part, under the state being inserted into the through cave formed on another side, described convex shaped part is carried out riveted, make described clutch drum joined integrally with described power transmission parts together with.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014174236A JP6069270B2 (en) | 2014-08-28 | 2014-08-28 | Manufacturing method of clutch drum complete |
| JP2014-174236 | 2014-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625381A true CN104625381A (en) | 2015-05-20 |
| CN104625381B CN104625381B (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410780231.9A Active CN104625381B (en) | 2014-08-28 | 2014-12-17 | Clutch drum assembly manufacture method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6069270B2 (en) |
| CN (1) | CN104625381B (en) |
| WO (1) | WO2016029712A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551033A (en) * | 2020-04-23 | 2021-10-26 | 丰田自动车株式会社 | Method for manufacturing drive drum |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018007399A1 (en) * | 2018-09-19 | 2020-03-19 | Borgwarner Inc. | Method for attaching a torque transmission element to a hub |
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| JPS6213826A (en) * | 1985-07-09 | 1987-01-22 | Aida Eng Ltd | Clutch gear with drum |
| JPH10118722A (en) * | 1996-10-17 | 1998-05-12 | Matsushita Electric Ind Co Ltd | Burring method and pressed product |
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| JP2005103546A (en) * | 2003-08-01 | 2005-04-21 | Ibaraki Steel Center Kk | Forming method for drum with boss |
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| DE6906243U (en) * | 1969-02-18 | 1969-07-17 | Stihl Maschf Andreas | CHAIN SAW |
| CA1122817A (en) * | 1979-11-14 | 1982-05-04 | Dennis G. Scott-Jackson | Sprocket and clutch drum assembly |
| JPS6213825A (en) * | 1985-07-09 | 1987-01-22 | Aida Eng Ltd | Clutch gear with drum |
| JPH073252B2 (en) * | 1991-07-19 | 1995-01-18 | 株式会社平岡製作所 | Clutch drum manufacturing method |
| JPH07119754A (en) * | 1993-06-24 | 1995-05-09 | Wakayama Nainenki Kk | Rotation transmitting shaft fixing structure for braking drum |
| DE19649627A1 (en) * | 1996-12-01 | 1998-06-04 | Hans Juergen Dipl In Beierling | Smooth metal walls, walls of bent metal construction and hollow-body walls made from metal with projection welding |
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| JP3799044B2 (en) * | 2004-03-30 | 2006-07-19 | 株式会社平岡製作所 | Welding method between first metal part and second metal part |
| JP4604059B2 (en) * | 2007-01-10 | 2010-12-22 | 株式会社エフ・シー・シー | Driving force transmission pulley and method of manufacturing the same |
| DE102008030017B4 (en) * | 2008-06-24 | 2016-07-21 | Schaeffler Technologies AG & Co. KG | Metal cages for sprag clutches |
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- 2014-08-28 JP JP2014174236A patent/JP6069270B2/en active Active
- 2014-12-17 CN CN201410780231.9A patent/CN104625381B/en active Active
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2015
- 2015-04-30 WO PCT/CN2015/077909 patent/WO2016029712A1/en active Application Filing
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| JPS6213826A (en) * | 1985-07-09 | 1987-01-22 | Aida Eng Ltd | Clutch gear with drum |
| JPH10118722A (en) * | 1996-10-17 | 1998-05-12 | Matsushita Electric Ind Co Ltd | Burring method and pressed product |
| JP2004337954A (en) * | 2003-05-19 | 2004-12-02 | Toyota Motor Corp | Plastic connection component and manufacturing method |
| JP2005103546A (en) * | 2003-08-01 | 2005-04-21 | Ibaraki Steel Center Kk | Forming method for drum with boss |
| JP2009262164A (en) * | 2008-04-22 | 2009-11-12 | Mazda Motor Corp | Joining method of metallic member |
| JP2012020330A (en) * | 2010-07-16 | 2012-02-02 | Muramoto Kosakusho:Kk | Burring working method and burring working implement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551033A (en) * | 2020-04-23 | 2021-10-26 | 丰田自动车株式会社 | Method for manufacturing drive drum |
| CN113551033B (en) * | 2020-04-23 | 2022-10-14 | 丰田自动车株式会社 | Method for manufacturing drive drum |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016029712A1 (en) | 2016-03-03 |
| JP6069270B2 (en) | 2017-02-01 |
| JP2016050588A (en) | 2016-04-11 |
| CN104625381B (en) | 2017-12-05 |
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