JPH1110465A - Assembling method for planetary gear assembly and planetary gear assembly assembling device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To store a pinion sub-assembly in a designated position in a carrier by bringing one claw part into contact with the inner surface of a connecting part, and inserting another claw part through an opening part in the connecting part while a washer is rotated, taking the contact part as a fulcrum. SOLUTION: A vertical force pin 41 provided on a movable force pin holding member 43 is brought into contact with the right claw part 13B of a washer 5 to push the claw part 13B. Accordingly, the washer 5 is rotated counterclockwise. The left claw part 13A inserted in a connecting part 6 of a carrier 1 is brought into contact with the inner surface of the connecting part 6 positioned on the left of an opening part 9 by the movement of a pinion sub-assembly W. The right claw part 13B is inserted through the opening part 9 in the connecting part 6 of the carrier 1 while the washer 5 is rotated counterclockwise, taking the contact part as a fulcrum.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention has one and other claws projecting in opposite directions, and the dimension L between the tip portions of the one and other claws is the width dimension H of the notch. The present invention relates to a method of assembling a planetary gear assembly for assembling a pinion subassembly having a larger washer and disposing the washer on an end side of a pinion at a predetermined position in a carrier, and a planetary gear assembly assembling apparatus.

[0002]

2. Description of the Related Art As a conventional apparatus for assembling a planetary gear assembly, there is a technique disclosed in Japanese Utility Model Publication No. 1-35791. The disclosed technology is directed to a gear assembly holding device in which a guide shaft on which a pinion subassembly, which is a pinion gear assembly having a needle roller and a washer, is provided so as to be movable up and down, and is provided so as to be able to advance and retreat with respect to the gear assembly holding device. A chuck mechanism for mounting and holding the pinion gear assembly, a dummy shaft insertion device provided above the gear assembly holding device for inserting a dummy shaft into the pinion gear assembly, and a carrier provided in an operation area of the chuck mechanism. Shaft fixing device having a carrier fixing device for rotatably holding the shaft, a driving pin arranged to be able to move up and down above the hole position of the carrier, and a shaft supply jig for supplying a normal shaft directly below the driving pin. Consisting of .

In order to assemble the pinion sub-assembly in the above-described assembling apparatus, the pinion sub-assembly is mounted on the guide shaft of the gear assembly holding device, and in this state, the pinion sub-assembly is gripped by the chuck mechanism.

Next, the dummy shaft is lowered by the dummy shaft insertion device and inserted into the pinion subassembly, and the guide shaft is replaced with the dummy shaft.
Next, the chuck mechanism ascends and moves forward while holding the pinion subassembly to move the pinion subassembly between the mounting positions of the carrier. Then, the driving pin is lowered, and the pinion gear and the washer are aligned with the hole position of the carrier.

When the alignment is completed, the driving pin rises again, and the regular shaft is supplied by the shaft supply jig immediately below the driving pin. Thereafter, the pin to be driven is lowered, and the regular shaft is driven into the carrier and the pinion sub-assembly to replace the dummy shaft. Thus, one pinion sub-assembly is integrally assembled at the hole position of the carrier.

[0006]

Since the washer used for assembling the conventional pinion is smaller in diameter than the pinion, the pinion subassembly including the pinion and the washer disposed on the end side of the pinion is opened. It was easy to insert from the part and store in a predetermined position.

However, the washer has one and the other claws projecting in opposite directions, and
When the dimension L between the tip portions of the one and the other claws is a rotation preventing washer larger than the width dimension H of the opening, a pinion subassembly including a pinion and a washer disposed on an end side of the pinion. When trying to insert through the opening, the one and other claws interfere with the left and right edges of the opening and cannot be inserted. Also, it is conceivable to insert the pinion sub-assembly into the carrier with the washer previously inclined with respect to the insertion direction so that the claw portion of the washer does not interfere with the edge,
In this case, although the pinion subassembly can be set at a predetermined position, the washer cannot be brought into a state of being supported by the pinion only by the forward and backward movement of the chuck in the simple insertion direction.

The present invention has been made in view of the above problems, and a first object of the present invention is to provide one and the other claw portions projecting in opposite directions to each other, and A pinion subassembly having a washer in which a dimension L between the tip portions of one and the other claw portions is larger than a width dimension H of the notch portion and arranging the washer on the end side of the pinion is reliably and easily provided. Another object of the present invention is to provide a method of assembling a planetary gear assembly which can be housed in a predetermined position in a carrier from an opening of the carrier and can assemble a pinion subassembly.

A second object of the present invention is to have one and the other claw portions projecting in opposite directions, and to set the dimension L between the tip portions of the one and the other claw portions to the notch. A pinion subassembly having a washer larger than the width dimension H of the notch and having the washer disposed on the end side of the pinion can reliably and easily assemble the pinion subassembly at a predetermined position in the carrier. An object of the present invention is to provide a planetary gear assembly assembling apparatus that can be used.

[0010]

In order to achieve the first object, a method for assembling a planetary gear assembly according to the first aspect of the present invention is directed to a method of assembling a planetary gear assembly comprising a pair of disks arranged in parallel at a predetermined interval. And a connecting portion for integrally connecting the pair of discs, wherein an opening is formed in the connecting portion, and a shaft is inserted into each of the pair of discs so as to face the portion corresponding to the opening. A pinion sub-assembly consisting of a pinion and a washer arranged on the end side of the pinion is inserted into a carrier provided with a hole from the opening, and the pinion and the washer are pinched by a pinion shaft inserted into the shaft insertion hole. A method for assembling a planetary gear assembly adapted to be supported, wherein said washer has one and other claws projecting in opposite directions to each other, and said one and other If the dimension L between the tip portions of the claw portions is a rotation preventing washer that is larger than the width dimension H of the opening, the pinion subassembly is moved to connect one claw portion of the washer to the connection portion. Inserting the other claw portion into the opening, pressing the one claw portion against the inner surface of the connecting portion, and rotating the washer with the abutting portion as a fulcrum. Inserting the claw portion into the connecting portion through the opening portion.

[0011] Accordingly, the first and second claw portions have a washer which protrudes in opposite directions, and a dimension L between the tip portions of the first and second claw portions is larger than a width dimension H of the opening. A pinion subassembly having the washer arranged on the end side of the pinion can be securely and easily stored at a predetermined position in the carrier from an opening of the carrier, and assembling the pinion subassembly. It can be performed.

In order to achieve the second object, a planetary gear assembly assembling apparatus according to a second aspect of the present invention comprises: a pair of disks arranged in parallel at a predetermined interval; A carrier having a connecting portion for integrally connecting the discs, an opening formed in the connecting portion, and a shaft insertion hole provided opposite to a portion corresponding to the opening of the pair of discs. And a washer having one and the other claws projecting in opposite directions to each other, a washer having a dimension L between the tips of the one and the other claws larger than a width dimension H of the opening, and A pinion subassembly arranged on the end side of the pinion is inserted through the opening, and a pinion shaft inserted into the shaft insertion hole supports the pinion and the washer; A Giyaasshi assembly equipment,
A turntable mechanism for setting the carrier, a pinion subassembly transfer table for setting the pinion subassembly, and moving the pinion subassembly on the pinion subassembly transfer table to the carrier side to move the washer to One claw is inserted into the opening of the connecting portion, and the one claw contacts the inner surface of the connecting portion by pressing the other claw,
A pinion sub-assembly inserting means for inserting the other claw portion through the opening into the connecting portion while rotating the washer with the contact portion as a fulcrum.

With this configuration, the pinion sub-assembly inserting means moves the pinion sub-assembly and inserts one of the claws of the washer into the opening of the connecting portion, and then pushes the other claw. Thereby, the one claw portion is brought into contact with the inner surface of the connection portion, and the other claw portion is inserted into the connection portion through the opening while rotating the washer about the contact portion as a fulcrum. it can.

[0014] Thus, there is provided a washer having one and the other claws projecting in opposite directions, and a washer in which a dimension L between the tips of the one and the other claws is larger than a width dimension H of the opening. In addition, the pinion subassembly in which the washer is arranged on the end side of the pinion can securely and easily assemble the pinion subassembly at a predetermined position in the carrier.

According to a third aspect of the present invention, there is provided a planetary gear assembly assembling apparatus according to the first aspect of the present invention, wherein the pinion sub-assembly inserting means includes a base plate. A front moving table and a rear moving table are arranged so as to be able to linearly reciprocate thereon, and a pinion pushing actuator is provided on the rear moving table, and the front moving table is connected to the rear moving table with the pinion pushing actuator. Then, a pinion carry-in actuator for controlling the movement of the rear moving table is provided on the base plate, and the shift table is arranged on the front moving table so as to be able to linearly reciprocate in a direction perpendicular to the moving direction of the front moving table. And on the front moving table The pawl shift actuator for controlling the movement of shift table is provided, in the shift table,
At the front end, a push pin holding member having a pinion sub-assembly pushing portion is attached, and a pushing pin is provided at a protrusion located on one side of the pushing portion, and the front portion is moved to the other side of the pushing pin holding member. A movable push pin holding member is provided so as to be movable in the direction of movement of the table, and a push pin is provided at the tip side of the movable push pin holding member, and a claw pusher for controlling the movement of the movable push pin holding member on the shift table. An actuator was provided to make the configuration.

With this configuration, the pinion carry-in actuator is extended to move the rear moving table forward, and the front moving table held by the pinion pushing actuator fixed to the rear moving table is moved forward. The pinion sub-assembly is pressed by the pressing portion of the pressing pin holding member provided on the section moving table. In this state, one of the claws of the washer is inserted into the notch. Next, the pawl shift actuator is extended to move the shift table in the horizontal direction, and the push pin holding member is shifted laterally.

Next, the movable push pin holding member moves forward by the extension operation of the claw pushing actuator, and the push pin provided on the movable push pin holding member abuts on the other claw portion of the washer. Press the nail. For this purpose, the washer is rotated so that one of the claws already inserted into the connecting portion of the carrier comes into contact with the inner surface of a portion located at one of the openings, and the washer is used as a fulcrum with this contact portion as a fulcrum. The other claw is inserted into the connecting portion of the carrier through the opening while rotating.

Next, the pinion pushing actuator extends to advance the front moving table, and the pinion sub-assembly is pushed by the pressing portion of the pushing pin holding member provided on the front moving table, and the pinion sub-assembly is moved. It is positioned at a predetermined position, and then, for example, the dummy shaft is raised, and the assembling of the pinion is completed.

As described above, there is provided a washer having one and the other claws projecting in opposite directions, and a washer in which a dimension L between the tips of the one and the other claws is larger than a width dimension H of the opening. And a pinion subassembly having the washer disposed on the end side of the pinion can be securely and easily housed in a predetermined position in the carrier from the opening of the carrier, and the pinion subassembly is provided. Can be assembled.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partially omitted plan view of a planetary gear assembly assembling apparatus according to the present invention, and FIG. 2 is a cross-sectional view taken along line CC of FIG.

The carrier unit K is generally constituted by a carrier 1, a ring gear 3, a plurality of pinions 4, and a washer 5, as shown in FIGS. The carrier 1 has a pair of disks, a carrier plate 2A and a base plate 2B, and a cylindrical connecting portion 6 for integrally connecting the plates 2A and 2B. A boss 8 is provided at the center of the carrier plate 2A. And a plurality of openings 9 are formed at predetermined intervals in the periphery of the connecting portion 6, and a shaft insertion hole 10 is formed in a portion corresponding to the opening 9 of the carrier plate 2A. Is provided.

A shaft insertion hole 11 is provided in a portion of the base plate 2B opposite to the shaft insertion hole 10. The ring gear 3 is fixed to the base plate 2B.

The carrier 1 has a pinion 4
Is supported. That is, the pinion 4 is inserted into the carrier 1 through the opening 9 with the washers 5 disposed at both ends thereof, and the pinion shaft 12 inserted through the pinion 4 and the washer 5 is inserted into the shaft insertion holes 10 and 11.
Is arranged on the carrier 1.

As shown in FIG. 9, the washer 5 is a detented washer having left and right protruding claw portions 13A and 13B formed on an outer peripheral edge portion 5a, and the claw portions 13A and 13B of the washer 5 are provided. L between tip portions 13a and 13b
Is larger than the width dimension H of the opening 9, and when the pinion 4 is mounted in the carrier 1, the right and left claws 13A and 13B of the washer 5 are connected to the connecting portion 6 of the carrier plate 2A. The washer 5 is prevented from rotating together with the pinion 4 by contacting the inner surfaces of the left and right portions of the opening 9.

The planetary gear assembly assembling apparatus according to the present invention includes a pinion 4 having washers 5 disposed at both ends thereof.
The pinion subassembly W is inserted into the carrier 1 through the opening 9 of the carrier 1 and the pinion 4 is temporarily assembled to the carrier 1 by the dummy shaft 16.

As shown in FIG. 1, the planetary gear assembly assembling apparatus according to the present invention includes a pinion sub-assembly insertion mechanism A as pinion sub-assembly insertion means.
And a turntable mechanism B. The pinion sub-assembly insertion mechanism A has a base plate 20, on which a guide rail 21 extending along the front-rear direction X1-X2 is railed as shown in FIG. A front moving table 22 and a rear moving table 23 are mounted on a rail 21. A pinion pushing actuator 24 is fixed on the rear moving table 23, and a connecting rod 29 is connected to a piston rod 24A of the pinion pushing actuator 24.
The rear moving table 23 is connected to the front moving table 22 through the hole 25 of the upright wall 23A.

A pair of right and left rods 26 are provided on the front moving table 22 so as to protrude rearward, and these rods 26 can slide through holes 27 in the vertical wall 23A of the rear moving table 23. A nut member 28 is screwed into a threaded portion 26 </ b> A which penetrates and is provided at a penetrating end of the rod 26.

A pinion carry-in actuator 30 is fixed on the base plate 20, and the piston rod 31 of the pinion carry-in actuator 30 is fixed.
Is connected to a bracket 32 attached to the rear moving table 23.

Further, on the front moving table 22,
A direction perpendicular to the guide rail 21 (left-right direction Y1)
A horizontal shift rail 33 along -Y2) is provided, and a shift table 34 is movably mounted on the horizontal shift rail 33. A pawl shift actuator 35 is fixed on the front moving table 22, and a piston rod 36 of the pawl shift actuator 35 is connected to the shift table 34.

A push pin holding member 37 is attached to the shift table 34 along the front-rear direction XX, and a front end of the push pin holding member 37 has a substantially U-shape in plan view. Pressing part 3 consisting of a notch
8, a projection 39 located on the left and right of the pressing portion 38,
40 are formed, and push pins 41 are provided above and below the left protrusion 39.

A movable push pin holding member 43 is disposed on the right side of the push pin holding member 37 so as to be movable in the front-rear direction X1-X2. The piston rod 45 of the claw pushing actuator 44 is connected to a movable pushing pin holding member 43, and the pushing pins 4 are located above and below the movable pushing pin holding member 43.
1 is provided.

The pinion sub-assembly insertion mechanism A configured as described above is provided with the turntable mechanism B
Are arranged at positions obtained by equally dividing a circle centered at.

The turntable mechanism B is provided with a pallet 48 as shown in FIG.
A base member 49 is fixedly mounted on the base member, and a turntable 50 is installed on the base member 49. The turntable 50 can be indexed at a predetermined angle.
The base member 49 has a dummy shaft insertion hole 51 provided therein.
Is provided with a shaft holding mechanism 52. The shaft holding mechanism 52 has a configuration in which a ball 55 is partially protruded from an opening 53 that opens into the dummy shaft insertion hole 51 by urging the ball 55 with a spring 54.

The first position on the pallet 48 is a circle obtained by dividing the circle centered on the turntable mechanism B into four equal parts.
To the fourth pinion subassembly transfer table 56 (56
-1, 56-2, 56-3, 56-4), and the first to fourth pinion subassembly transfer tables 56 (56-1, 56-2, 56-3, 56-). 4)
Respectively correspond to the first to fourth pinion subassembly insertion mechanisms A (A-1, A-2, A-3, A-4).

The pinion sub-assembly transfer table 56 is provided with a pinion sub-assembly reset portion 57 and a cutout portion 58 for guiding the pinion sub-assembly, and this pinion sub-assembly reset portion 57 is provided.
As shown in FIGS. 5 and 6, a set pin 59 is provided on a holding member 57 provided on the lower surface of the pinion subassembly transfer table 56 so as to be vertically movable and urged upward by a spring 58. This set pin 59
Has a pin hole 60 provided in the upper surface of the pinion sub-assembly transfer table 56 and protrudes above the table. An operation member 70 for lowering the set pin 59 against the spring 58 is attached to the set pin 59.

Next, the assembling of the pinion 4 and the washer 5 into the carrier 1 using the pinion subassembly assembling apparatus configured as described above will be described.

Four pinion subassembly transfer table 5
The pinion subassembly W is set in each of the pinion subassembly reset units 57 of 6-1, 56-2, 56-3, and 56-4. That is, the two lower washers 5, the pinion 4, and the two upper washers 5 are set in this order on the set pins 59 of the pinion subassembly reset section 57. In this case, the washer 5 has its left and right claws 13A, 13B in the transport direction of the pinion subassembly W (front-back direction X1-
X2). Therefore, the tip portions 13a, 13 of the left and right claw portions 13A, 13B.
The dimension L between b is set to L1 which is slightly smaller than the width dimension H of the opening 9.

In FIG. 11A, the first to fourth pinion subassembly insertion mechanisms A-1, A-2, A-
3 and A-4 show the set state S0, the first step S1, the second step S2, and the third step S3 in this order, and FIG. 11B shows the first to fourth pinion sub-portions. Assembly insertion mechanism A-1, A-2, A-
3 and A-4 show a state in which the sequence has shifted to the fourth step S4, the fifth step S5, the sixth step S6, and the completion state S7 in this order.

Therefore, in order to shift from the set state S0 to the first step S1, in the pinion sub-assembly reset section 57 of the pinion sub-assembly transfer table 56, the set pin 59 is opposed to the spring 58 by the operation of the operation member 70. The set pin 59 is pulled out from the pinion subassembly W. In this state,
The pinion carry-in actuator 30 is extended, the rear moving table 23 is moved forward, and the front moving table 22 held by the pinion pushing actuator 24 fixed to the rear moving table 23 is moved forward.
The pinion sub-assembly W is pressed by the pressing portion 38 of the pressing pin holding member 37 fixed to the front moving table 22.
push. In the state of the first step S1, the claw 13A on the left side of the washer 5 is inserted into the opening 9.

Next, the pawl shift actuator 35 is extended, the shift table 34 is moved in the right direction Y2, and the push pin holding member 37 is shifted rightward.
It will be in the state of step S2.

Next, the claw pushing actuator 44
Is extended and the movable push pin holding member 43 moves forward,
The upper and lower push pins 41 provided on the movable push pin holding member 43 come into contact with the right claw 13B of the washer 5 to push the claw 13B. For this reason, the washer 5 rotates counterclockwise in FIG. 11A so that the left claw 13 </ b> A already inserted into the connecting portion 6 of the carrier 1 is moved to the left of the opening 9. The right claw 13B passes through the opening 9 into the connecting portion 6 of the carrier 1 while the washer 5 rotates counterclockwise with the contact portion as a fulcrum. Inserted, and the state becomes the third step S3. Then, the claw pushing actuator 44 operates to contract, and the movable pushing pin holding member 43 retreats.

Next, the claw shift actuator 35 is operated to contract, the shift table 34 is moved to the original position, the push-pin holding member 37 is returned to the original position, and the state of the fourth step S4 is entered.

Next, the pinion pushing actuator 24 extends to move the front moving table 22 forward,
The pinion sub-assembly W is pressed by the pressing portion 38 of the pressing pin holding member 37 fixed to the front moving table 22.
To change the state of the fifth step S5 to the sixth step S6.
In this state, the center of the pinion subassembly W is located directly above the dummy shaft 16.

Next, the dummy shaft 16 is raised, and the shaft insertion hole 10 and the hole 5 of the lower washer 5 are raised.
A, hole 4A of pinion 4, hole 5 of upper washer 5
A and the pinion 9 are inserted into the shaft insertion hole 11 and the assembly of the pinion 9 is completed.

Next, the pinion pushing actuator 24 and the pinion carry-in actuator 30 are respectively contracted, and the front and rear moving tables 22 and 23 return to their original positions.

According to the above-described embodiment, after the planetary sub-gear assembly W is moved to insert the left claw 13A of the washer 5 into the opening 9 of the connecting portion 6, the right claw By pressing the portion 13B, the left claw portion 13A comes into contact with the inner surface of the connection portion 6, and the right claw portion 13B is passed through the opening 9 while rotating the washer 5 with the contact portion as a fulcrum. Can be inserted inside.

As described above, the left and right claws 13A and 13B projecting in opposite directions are provided.
A planetary sub-gear assembly W having a washer 5 in which a dimension L between the tip portions 13a and 13b of 3A and 13B is larger than a width dimension H of the opening 9 and disposing the washer 5 on the end side of the pinion 4 is provided. The carrier 1 of the assembly F can be reliably and easily removed from the opening 9 of the carrier 1 of the assembly F.
And the planetary sub-gear assembly W can be assembled.

[0048]

As described above, according to the method for assembling a planetary gear assembly according to the first aspect of the present invention, a pair of disks arranged in parallel at a predetermined interval and a pair of the disks are formed. A carrier having an opening formed in the connecting part, and a shaft insertion hole provided opposite to a part corresponding to the opening of the pair of disks, respectively; And a washer disposed on an end side of the pinion, a pinion subassembly is inserted through the opening, and a pinion shaft inserted into the shaft insertion hole supports the pinion and the washer. An assembling method, wherein the washer has one and other claws projecting in opposite directions to each other, and a dimension between tip ends of the one and the other claws. When L is a rotation preventing washer larger than the width dimension H of the opening, moving the pinion subassembly to insert one of the claws of the washer into the opening of the connecting portion; Contacting the one claw portion with the inner surface of the connecting portion by pressing the other claw portion, and rotating the washer with the abutting portion as a fulcrum and moving the other claw portion through the opening. Having the one and the other claw portions projecting in opposite directions to each other, and the dimension L between the tip portions of the one and the other claw portions is equal to the width of the opening. A pinion subassembly having a washer larger than the dimension H and having the washer disposed on the end side of the pinion can be securely and easily inserted through the opening of the carrier. And it can be housed in a predetermined position of the inner, assembling the pinion subassembly can be performed.

Further, according to the planetary gear assembly assembling apparatus according to the second aspect of the present invention, a pair of disks arranged in parallel at a predetermined interval and a connecting portion for integrally connecting the pair of disks. Having an opening in the connecting portion, a carrier provided with a shaft insertion hole opposed to a portion corresponding to the opening of the pair of discs, and one projecting in the opposite direction to the other. A pinion having the other claw portion, a washer having a dimension L between the tip portions of the one and the other claw portions larger than the width dimension H of the opening, and disposing the washer on an end side of the pinion; A planetary gear assembly assembling device, wherein a subassembly is inserted from the opening, and the pinion and the washer are supported by a pinion shaft inserted into the shaft insertion hole. A turntable mechanism for setting the carrier, a pinion subassembly transfer table for setting the pinion subassembly, and moving the pinion subassembly on the pinion subassembly transfer table to the carrier side so that the washer is moved. One of the claws is inserted into the opening of the connecting portion, and the other claw is pressed to contact the one claw with the inner surface of the connecting portion. Pinion subassembly insertion means for inserting the other claw portion into the connection portion through the opening while rotating a washer, so that the pinion subassembly is moved by the pinion subassembly insertion means. After inserting one claw portion of the washer into the opening of the connecting portion, Square the one claw portion by pressing the claw portion of the contact with the inner surface of the connecting portion,
The other claw can be inserted into the connecting portion through the opening while rotating the washer about the contact portion as a fulcrum.

As described above, there is provided a washer having one and the other claws protruding in opposite directions, and a washer in which a dimension L between the tips of the one and the other claws is larger than a width dimension H of the opening. In addition, the pinion subassembly in which the washer is arranged on the end side of the pinion can securely and easily assemble the pinion subassembly at a predetermined position in the carrier.

Further, according to the planetary gear assembly assembling apparatus according to the third aspect of the present invention, in the planetary gear assembly assembling apparatus according to the first aspect, the pinion sub-assembly inserting means is moved frontward so as to be able to linearly reciprocate on the base plate. A table and a rear moving table are arranged, and a pinion pushing actuator is provided on the rear moving table. The front moving table is connected to the rear moving table with the pinion pushing actuator, and the rear moving table is placed on the base plate. A pinion carry-in actuator that controls the movement of
On the front moving table, a shift table is provided so as to be able to linearly reciprocate in a direction perpendicular to the moving direction of the front moving table, and a claw shift actuator for controlling the movement of the shift table on the front moving table. Provided,
A push pin holding member having a pinion sub-assembly pressing portion at the front end is attached to the shift table, and a pressing pin is provided on a protrusion located on one side of the pressing portion, and the other side of the pressing pin holding member is provided. Disposing a movable push pin holding member movably in the movement direction of the front moving table, providing a push pin on a tip side of the movable push pin holding member, and moving the movable push pin holding member on the shift table. The pinion push-in actuator is provided so that the pinion carry-in actuator is extended to move the rear moving table forward, and the front part held by the pinion pressing actuator fixed to the rear moving table is provided. Move the moving table forward and push the push-in pin provided on the front moving table. Press the pinion subassembly at pressing portion of the holding member. In this state, one of the claws of the washer is inserted into the opening. Next, the pawl shift actuator is extended to move the shift table in the horizontal direction, and the push pin holding member is shifted laterally.

Next, the claw pushing actuator extends and the movable pushing pin holding member moves forward, and the pushing pin provided on the movable pushing pin holding member comes into contact with the other claw portion of the washer. Press the nail. For this purpose, the washer is rotated so that one of the claws already inserted into the connecting portion of the carrier comes into contact with the inner surface of a portion located at one of the openings, and the washer is used as a fulcrum with this contact portion as a fulcrum. The other claw is inserted into the connecting portion of the carrier through the opening while rotating.

Next, the pinion pushing actuator is extended to advance the front moving table, and the pinion sub-assembly is pushed by the pressing portion of the pushing pin holding member provided on the front moving table, and the pinion sub-assembly is moved. It is positioned at a predetermined position, and then, for example, the dummy shaft is raised, and the assembling of the pinion is completed.

As described above, the one and the other claws projecting in opposite directions are provided, and the washer having a dimension L between the tip parts of the one and the other claws larger than the width dimension H of the opening is provided. And a pinion subassembly having the washer disposed on the end side of the pinion can be securely and easily housed in a predetermined position in the carrier from the opening of the carrier, and the pinion subassembly is provided. Can be assembled.

[Brief description of the drawings]

FIG. 1 is a partially omitted plan view of a planetary gear assembly assembling apparatus according to the present invention.

FIG. 2 is a sectional view taken along line CC of FIG.

FIG. 3 is a plan view of a turntable mechanism in the planetary gear assembly assembling apparatus.

FIG. 4 is a side view of the turntable mechanism.

FIG. 5 is a sectional view taken along the line DD of FIG. 3;

FIG. 6 is a sectional view taken along the line EE in FIG. 5;

FIG. 7 is a plan view of the carrier unit.

FIG. 8 is a vertical sectional view of the carrier unit.

FIG. 9 is a plan view of the washer.

FIG. 10 is an explanatory view of assembling the assembly and the planetary sub-gear assembly.

FIGS. 11 (1) and (2) are explanatory views showing the order of assembling the planetary sub-gear assembly to the assembly.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Carrier 4 Pinion 5 Washer 6 Connecting part 9 Opening 13A Left claw (one claw) 13B Right claw (other claw)

Claims (3)

[Claims] A pair of disks arranged in parallel at a predetermined interval, and a connecting portion for integrally connecting the pair of disks, wherein an opening is formed in the connecting portion; A carrier in which a shaft insertion hole is provided opposite to a portion corresponding to the opening of the pair of disks, a pinion subassembly including a pinion and a washer arranged on an end side of the pinion, from the opening. A method for assembling a planetary gear assembly wherein the pinion and the washer are supported by a pinion shaft inserted into the shaft insertion hole, wherein the washer projects in opposite directions to each other. And the pinion sub is provided when the dimension L between the tip portions of the one and other claws is a rotation preventing washer that is larger than the width dimension H of the opening. Moving the assembly to insert one pawl of the washer into the opening of the connecting portion; and pressing the other pawl against the inner surface of the connecting portion by pressing the other pawl. And a step of inserting the other claw portion into the connecting portion through the opening while rotating the washer with the contact portion as a fulcrum. A method of assembling a planetary gear assembly. And a pair of disks arranged in parallel at a predetermined interval, and a connecting portion for integrally connecting the pair of disks, wherein an opening is formed in the connecting portion, A carrier provided with a shaft insertion hole opposed to a portion corresponding to the opening of the pair of disks, having one and other claws projecting in opposite directions, and the one and the other claws; A pinion sub-assembly having a washer having a dimension L between the distal ends thereof larger than the width dimension H of the opening and having the washer disposed on the end side of the pinion is inserted through the opening, and the shaft insertion hole is inserted. A planetary gear assembly assembling device for supporting the pinion and the washer with a pinion shaft inserted into the turntable mechanism unit for setting the carrier; A pinion sub-assembly transfer table for setting a subassembly, and moving the pinion sub-assembly on the pinion sub-assembly transfer table to the carrier side so that one of the claws of the washer is inserted into the opening of the connecting portion. By inserting and pressing the other claw portion, the one claw portion abuts on the inner surface of the connecting portion, and the other claw portion is connected to the opening portion while rotating the washer about the abutting portion as a fulcrum. And a pinion sub-assembly inserting means for inserting the pinion sub-assembly into the connecting portion through the connecting portion. 3. The pinion sub-assembly inserting means includes a front moving table and a rear moving table arranged on a base plate so as to be able to reciprocate linearly, and a pinion pushing actuator is provided on the rear moving table, and the pinion is pushed in. Connecting the front moving table to the rear moving table with an actuator, providing a pinion-carrying actuator for controlling the movement of the rear moving table on the base plate; moving the front moving table on the front moving table; A shift table is provided so as to be able to linearly reciprocate in a direction perpendicular to the direction, and a claw shift actuator for controlling the movement of the shift table is provided on the front moving table, and a pinion subassembly pressing part is provided on the front end of the shift table. Push pin holding part having At the same time, a push pin is provided on a protrusion located on one side of the pressing portion, and a movable push pin holding member is provided on the other side of the push pin holding member so as to be movable in the moving direction of the front moving table. 3. The planetary gear assembly assembly according to claim 2, wherein a push pin is provided on a tip side of said movable push pin holding member, and a claw pushing actuator for controlling movement of said movable push pin holding member is provided on said shift table. apparatus.