JP5975837B2 - Pinion assembly pallet and pinion assembly device - Google Patents

Description

  The present invention relates to a technology for automatically assembling a pinion built in a planetary gear mechanism.

  As shown in FIG. 19, the planetary gear mechanism 100 includes a sun gear 101, a carrier 103 that rotatably supports the planetary gears 102, 102 that circulate around the sun gear 101, and a ring gear 104 that meshes while surrounding the planetary gears 102, 102. Become. Since the planetary gear 102 is also called a pinion, the planetary gear is hereinafter referred to as a pinion.

  In this example, the carrier 103 is restrained by the braking member 105. When the sun gear 101 is rotated, the pinions 102 and 102 are rotated by the sun gear 101, and the ring gear 104 is rotated by the pinions 102 and 102.

  The carrier 103 includes a carrier base portion 111, arm portions 112 and 112 extending from the carrier base portion 111, and a disc portion 113 extending in parallel to the carrier base portion 111 from the ends of the arm portions 112 and 112.

On the other hand, the disk part 113 becomes an obstacle, and the assembly of the pinion 102 becomes difficult.
That is, it is necessary to insert the pinion 102 between the carrier base 111 and the disk part 113, and then insert the shaft 108 from the disk part 113 side (or from the carrier base 111 side).
In spite of such restrictions, in recent years, automation of assembly work is required.

  Various automatic assembly apparatuses have been proposed (see, for example, Patent Document 1 (FIG. 1) and Patent Document 2 (FIG. 6)).

Of the above two patent documents, Patent Document 1 will be described with reference to the following figure.
As shown in FIG. 20, the carrier 103 is placed on the automatic assembling apparatus 120 with the carrier base 111 facing down and the disk portion 113 facing up. A pinion set 123 formed by stacking a washer 122, a pinion 102, and a washer 122 is placed on a table 121 whose upper surface is at the same level as the upper surface of the carrier base 111. The pinion 102 has a built-in needle bearing that is not visible in the drawing. The pinion set 123 is pushed between the carrier base 111 and the disk part 113 by pushing the pinion set 123 horizontally with the pusher 124.

  Next, the pinion set 123 is positioned by raising the positioning pin 125. Next, the shaft 108 faces upward, and the shaft 108 is pushed down by the press-fit pin 126. The shaft 108 pushed down by the press-fit pin 126 is press-fitted into the disc portion 113, the pinion set 123 and the carrier base 111 while pushing down the positioning pin 125. As a result, the pinion set 123 is assembled to the carrier 103 via the shaft 108.

  That is, conventionally, the automatic assembly apparatus 120 performs the insertion and positioning of the pinion set 123 and the press-fitting of the shaft 108. Further, after the press-fitting of the shaft 108, the caulking and fixing may be performed continuously by the automatic assembling apparatus 120 or may be carried to the caulking machine. For example, during insertion of the pinion set 123, press fitting or caulking of the shaft 108 cannot be performed. The pinion set 123 cannot be inserted during the press-fitting or caulking of the shaft 108. Since multiple elements cannot be operated simultaneously, there is a limit in productivity.

  From another point of view, for example, there is an inevitable variation in the outer diameter of the shaft 108 and an inevitable variation in the diameter of the hole on the carrier side. It took time to press-fit the shaft 108, and as a result, there was a limit to shortening the cycle time.

  There is a need for an assembly technique that can more efficiently perform the work of assembling the pinion and the like on the carrier and increase the productivity of assembly.

JP 2009-108896 A JP-A-7-88734

  It is an object of the present invention to provide an assembling technique capable of more efficiently performing an operation of assembling a pinion or the like on a carrier and improving productivity related to assembling.

The invention according to claim 1 is provided with a shaft insertion hole in a carrier that is an element of a planetary gear mechanism, and a pinion set including a pinion is inserted into the carrier, and the shaft is inserted into the shaft insertion hole and the pinion set. A pinion assembly pallet used for the operation of assembling the pinion set to the carrier,
Liftably provided through the said pinion set and the shaft insertion hole in the raised position, a positioning pin for positioning the pinion set for the carrier,
A first insertion hole through which a first push-up member for pushing up the positioning pin from below the positioning pin is inserted;
After lowering of the first pushing member, Bei example a support element for supporting the raised position the positioning pins,
Furthermore, the pallet main body provided with the positioning pin and the support, and a sub-pallet separable from the pallet main body,
The sub-pallet includes a placement portion on which the carrier is placed, and a through hole through which a punch for caulking the shaft to the carrier passes .

In the invention according to claim 2, wherein the through holes provided in the sub-palette, the positioning pins can penetrate the shaft is configured impossible through.

Pinion assembly pallet according to claim 3, the temporary set pin for temporarily setting said pinion set movable up and down in the inner peripheral side of the positioning pins, pushing the temporary set pin from below the provisional set pin And a second insertion hole through which the second push-up member for insertion is inserted.

Invention, pinion and pinion assembly pallet of any one of claims 1 to 3, while the conveyor transporting, assembling the pinion set in the carrier on the pallet assembly the pinion according to claim 4 In assembly equipment,
Push the positioning pin rises through the first insertion hole of the pinion assembly pallets conveyed to the first station by said conveyor, a first lifting mechanism you subsequently lowered,
A shaft insertion mechanism for inserting the shaft from above is inserted into the carrier on the pinion assembly pallet transported from the first station to the second station after the first push-up mechanism is lowered.

In pinion assembly apparatus according to claim 5, wherein the pinion assembly pallet is provided with a vertically movable temporary set pin,
A second push-up mechanism for pushing up the temporary set pin from below;
To the temporary set pin in the raised position, a supply mechanism for supplying said pinion set as the temporary setting pins penetrating the pinion set,
After lowering of the second lifting mechanism, extruded toward the pinion set to the positioning pin side, and a pushing mechanism for moving to a position corresponding to the positioning pins.

In pinion assembly apparatus according to claim 6, wherein the pinion assembly for pallet, said pallet body with the positioning pin, and the sub-pallet with the mounting part in which the carrier is mounted is separated Configured and possible
Comprising a transport mechanism from said second station to separate said sub-pallet from the pinion assembly pallet to be conveyed to the third station, to transfer to the crimping machine.

In the invention which concerns on Claim 1, a positioning pin raises with a 1st push-up member, and a positioning pin penetrates the shaft insertion hole and pinion set of a carrier. Thereafter, even after the first push-up member is lowered, the positioning pin is kept in the raised position by the support.
Therefore, the shaft can be inserted at another place by transferring the pallet while the positioning pin is passed through the shaft insertion hole and the pinion set.
As a result, the positioning pin penetration operation and the shaft insertion operation can proceed in parallel independently of each other, cycle time can be shortened, and productivity can be increased.

In addition, in the invention according to claim 1 , after the shaft is inserted, the sub-pallet can be separated from the pallet body and the shaft can be crimped on the sub-pallet. That is, since the carrier can be conveyed while being mounted on the same pallet (subpallet) from the shaft assembly to the caulking process, the efficiency can be improved and the productivity can be improved. Further, since the positioning pin and the support are provided on the pallet body side, there is no fear that the positioning pin or the like is damaged by the caulking work.

In the invention according to claim 2 , the through hole of the sub pallet is configured so that the positioning pin can pass therethrough and the shaft cannot pass therethrough. Therefore, even if the sub pallet is separated from the pallet body, the shaft is dropped from the sub pallet. This can reduce the risk of occurrence.

In the invention which concerns on Claim 3 , centering of a pinion set is attained because a temporary set pin receives a pinion set in a raise position.
A large-diameter opening that penetrates the input shaft (or output shaft) is formed on the inner peripheral side of the carrier. Since the temporary set pin is lifted and lowered using this opening, the size of the apparatus can be suppressed.

According to the pinion assembling apparatus of the fourth aspect , the work can be performed in parallel at the first station and the second station, so that the cycle time can be shortened and the productivity can be increased.

According to the pinion assembling apparatus of the fifth aspect , the temporary set pin can receive the pinion set at the raised position and align the center, and then set the pinion set at a position corresponding to the positioning pin. For example, the positioning pin penetrates the pinion set. It is possible to suppress the occurrence of positioning failure such as inability to increase productivity.

According to the pinion assembling apparatus of the sixth aspect , only the sub-pallet needs to be conveyed to the caulking machine, and the remaining pallet main body is not affected by the caulking work, so there is no fear of breakage.

It is an exploded view of the carrier assembly which concerns on this invention. It is sectional drawing of a pinion set. It is sectional drawing of a carrier assembly. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. It is a front view of a carrier assembly. It is a disassembled perspective view of the pallet for pinion assembly. It is an exploded view of the pallet for pinion assembly. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. It is an assembly drawing of the pallet for pinion assembly. It is explanatory drawing of a through hole. It is a top view of a pinion assembly apparatus. It is a block diagram of a 1st station, and an operation view of a supply mechanism. It is an effect | action figure of the extrusion mechanism in a 1st station. It is a block diagram and action | operation figure of the shaft insertion mechanism arrange | positioned in a 2nd station. It is a block diagram of a missing item inspection station. It is a figure which shows the image obtained in the missing item inspection station. It is a block diagram of the crimping machine arrange | positioned at a 3rd station. It is an effect | action figure of a crimping machine. It is sectional drawing of a planetary gear mechanism. It is a principle figure of the conventional automatic assembly apparatus.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.

As shown in FIG. 1, the carrier assembly 10 includes a carrier 11, a pinion set 20, and a shaft 25.
The carrier 11 has a carrier base 12, an arm 13 that extends from the carrier base 12 in the longitudinal direction of the shaft 25 (including a substantially longitudinal direction), and extends from the tip of the arm 13 in parallel to the carrier base 12. It consists of a disk part 14.
In this example, the peripheral wall portion 15 stands from the outer edge of the carrier base portion 12 toward the disc portion 14.

The carrier base 12 is provided with a first central hole 16 and a first shaft insertion hole 17 into which the shaft 25 is inserted.
Further, the disc portion 14 is provided with a second central hole 18 having a diameter larger than that of the first central hole 16 and a second shaft insertion hole 19 into which the shaft 25 is inserted.

  As shown in FIG. 2, the pinion set 20 includes a pinion 21, also called a planetary gear, a needle bearing 22 built in the pinion 21, and washers 23, 23 provided on both sides of the pinion 21. In addition, the pinion set 20 should just contain the pinion 21 at least, and various structures, such as the needle bearing 22, the washers 23 and 23, are not limited to an Example. For example, instead of the washers 23, 23, a thrust needle bearing may be provided.

  In FIG. 1, the pinion set 20 is inserted from the second central hole 18 as indicated by an arrow (1) and is slid along the carrier base 12 as indicated by an arrow (2). Then, the shaft 25 is inserted into the second shaft insertion hole 19, the pinion set 20, and the first shaft insertion hole 17 as indicated by an arrow (3).

  As a result, as shown in FIG. 3, the carrier assembly 10 in which the pinion set 20 is supported on the carrier 11 via the shaft 25 is obtained. The peripheral wall portion 15 is formed with a sawtooth portion 15a capable of meshing with a braking member (FIG. 19, reference numeral 105).

As shown in FIG. 4, a sawtooth portion 15 a is appropriately provided on the peripheral wall portion 15. Further, the disk portion (FIG. 3, reference numeral 14) is supported on the carrier base 12 by a plurality of (three in this example) arm portions 13. The pinion set 20 is inserted between the adjacent arm portions 13 so as not to interfere with the arm portions 13 (arrow (2)).
As a result, as shown in FIG. 5, the carrier assembly 10 in which both ends of the shaft 25 are supported by the carrier base portion 12 and the disc portion 14 is obtained. Note that both ends of the shaft 25 are caulked by a caulking machine, and the bulging portions 25 a and 25 a are engaged and fixed to the disc portion 14 and the carrier base portion 12.

In the carrier assembly 10 having the above-described configuration, a pinion assembly pallet 30 suitable for assembling the pinion set 20 to the carrier 11 will be described below.
As shown in FIG. 6, the pinion assembly pallet 30 includes a pallet main body 31 and a sub-pallet 41 detachably attached to the pallet main body 31, and the lower pallet main body 31 includes a rectangular frame 32, The base plate 33 is affixed on the rectangular frame 32, the tube portion 34 extends upward from the base plate 33, and a bridge portion 35 that horizontally extends to the upper portion of the tube portion 34.

The upper portion of the positioning pin 37 and the upper portion of the temporary set pin 38 protrude from the bridge portion 35.
It should be noted that the cylindrical portion 34 may be appropriately provided with an opening. By providing the opening, the cylindrical portion 34, that is, the pallet main body 31 can be reduced in weight.

The sub-pallet 41 has a placement portion 42 for placing a carrier (FIG. 7, reference numeral 11) in the center of the upper surface, and a plurality (six in this example) of first plungers 43 that hold the carrier on the peripheral edge of the upper surface. Prepare.
Further, the sub-palette 41 includes the three second through-hole 46 of the first through hole 45 and the temporary set pin 38 which passes through the positioning pin 37 to the mounting portion 42 passes.

  As shown in FIG. 7, positioning pins 37 are attached to the pallet main body 31 via a guide 47 so as to be able to be raised and lowered, and temporary setting pins 38 are attached via the guide 47 so as to be able to be raised and lowered.

  A first plunger 43 is provided on the upper surface of the sub-pallet 41 so as to surround the mounting portion 42. The first plunger 43 is a biasing means that houses a spring in the cylinder and presses the ball 52 at the tip of the cylinder with this spring.

That is, the biasing force (pressing force) of the spring wins against an external force below a certain level, and the ball 52 protrudes from the cylinder. When the external force exceeds a certain value, the spring contracts and the ball 52 retracts.
After the carrier 11 is placed on the placement unit 42 from above, the first plunger 43 plays a role of holding the carrier 11.

  A second plunger 51 is provided at the lower outer periphery of the subpallet 41. The second plunger 51 serves to stop the sub-pallet 41 on the pallet body 31. Similar to the first plunger 43, the sub-pallet 41 is detached from the pallet body 31 when a certain external force is applied.

As shown in FIG. 8, the guide 47 is provided with a support 53 as a third plunger. Since the positioning pin 37 is stopped by the support 53, it does not move by its own weight. Since the structure and operation of the support 53 are the same as those of the first plunger (FIG. 7, reference numeral 43), description thereof is omitted.
The support 53 is also stopped by the temporary set pin 38.

As shown in FIG. 9, the carrier 11 is placed on a pinion mounting pallet 30 including a pallet main body 31 and a sub-pallet 41.
As shown in FIG. 10 (a) and (b) in FIG. 10 (a), the positioning pin 37 is obtained by cutting a part of a rod-like member having a sharp tip. The thickness w of the upper part is smaller than the outer diameter d of the lower part.
As shown in (d) in FIG. 10C, the first shaft insertion hole 17 is a circle having an inner diameter D, and the first through hole 45 is an ellipse having a minor diameter d.

  As shown in FIG. 10C, when the shaft 25 is inserted into the shaft insertion holes 17 and 19, the outer diameter of the shaft 25 is approximately D, and the diameter of the first through hole 45 is approximately d. Since d <D, the shaft 25 does not penetrate the first through hole 45. In other words, since the shaft 25 is placed on the sub-pallet 41, there is no concern that the shaft 25 may come down from the sub-pallet 41 even if the positioning pin 37 is lowered.

  With this retaining structure, the sub-pallet 41 can be separated from the pallet main body at the entrance of the third station, which will be described later, and the carrier can be carried into the third station using only the sub-pallet 41.

Next, the configuration of the pinion assembly device 60 that uses the pinion assembly pallet 30 described above will be described.
As shown in FIG. 11, the pinion assembling device 60 includes a conveyor 61 that conveys the pinion assembling pallet 30, and a first station S <b> 1, a second station S <b> 2, and a missing item inspection station arranged along the conveyor 61. Sk and the third station S3.

The first station S1, a carrier transfer means 62 for mounting the carrier to the pinion assembly pallet 30, and a pinion transfer means 63 for pushing together put pinion sets the pinion assembly pallet 30 is provided. The carrier transfer means 62 and the pinion transfer means 63 are preferably robots.

The second station S2 is provided with a shaft insertion mechanism 80 (details will be described later).
The configuration of the shortage inspection station Sk will also be described later.
The third station S3 includes a transfer means 56 including a first arm 57 and a second arm 58, and a caulking machine 94. The first arm 57 lifts the subpallet 41 in the third station S3. On the other hand, the second arm 58 lifts the sub-pallet 41 on the caulking machine 94. Subsequently, the first arm 57 sets the sub-pallet 41 to the caulking machine 94. The second arm 58 returns the subpallet 41 to the third station S3.
That is, the sub-pallet 41 after crimping is returned onto the next pallet main body 31 and is sent to the next process by the conveyor 61.

Hereinafter, the structure and operation of each of the stations S1 to S3 and Sk will be described in detail.
As shown in FIG. 12, the pinion transfer means 63 includes, for example, a robot arm 64 and a support plate 65 provided on the robot arm 64.
A supply mechanism 66 for supplying the pinion set 20 to one end of the support plate 65 is provided.

  The supply mechanism 66 includes, for example, a fork member 67 and a cylinder 68 provided on the support plate 65 for biasing the pinion set 20 to the fork member 67 and plays a role of sandwiching the pinion set 20.

  In addition, the support member 65 includes a needle member 71 and a V-shaped extrusion mechanism 72 provided at the other end of the support plate 65.

The supply mechanism 66 may be a dedicated robot arm and a fork member 67 and a cylinder 68 provided in the robot arm.
Similarly, the needle member 71 may be provided in another dedicated robot arm.
Similarly, the extrusion mechanism 72 may be another dedicated robot arm and a V-shaped extrusion piece provided on the robot arm.

  However, as in this embodiment, by providing the supply mechanism 66, the needle member 71, and the push-out mechanism 72 on the support plate 65 that is a common plate, a maximum of three robots can be completed with one robot. .

In Figure 12, for assembling the pinion pallet 30 by conveyor 61 reaches a predetermined position of the first station S1, pallet assembly pinion 30 is stopped. In a predetermined position, an elevating member 75 supported so as to be movable up and down by an elevating cylinder 74 is arranged, and a first push-up mechanism 76 that pushes up the positioning pin 37 and a second push-up mechanism that pushes up the temporary set pin 38 on the lift member 75. 77.
More precisely, the first push-up member 78 extending from the first push-up mechanism 76 pushes up the positioning pin 37, and the second push-up member 79 extending from the second push-up mechanism 77 pushes up the temporary set pin 38.

In the first station S1, the elevating member 75 is fitted to the lower part of the pinion assembly pallet 30 as shown by the arrow (3), and the temporary set pin 38 is pushed up by the second push-up mechanism 77 as shown by the arrow (4). It is done. The temporary set pin 38 passes through the first central hole 16 of the carrier 11 and protrudes from the second central hole 18 at the top.

  The pinion set 20 is fitted to the temporary set pin 38 by the pinion transfer means 63 as indicated by an arrow (5). Since it is the fork member 67, the fork member 67 can be removed without being interfered with the temporary set pin 38 after the pinion set 20 is fitted.

As shown in FIG. 13A, the pinion set 20 is temporarily positioned by fitting with the temporary set pin 38. However, the temporary set pin 38 does not fall due to the holding action of the support 53. This will hinder the next process. For the next step, the temporary set pin 38 is forcibly lowered by the needle member 71 (arrow (6)).
Next, as shown in (b), the pinion set 20 is moved laterally by the pushing mechanism 72 (arrow (7)).

Next, as shown in (c), the positioning pin 37 is raised (arrow (8)). This rise is performed by the first push-up means (FIG. 12, reference numeral 76). In this state, the pinion assembly pallet 30 is moved to the second station (arrow (9)). At this time, since the positioning pin 37 is held by the support 53, there is no fear of dropping. That is, the pinion assembly pallet 30 is moved to the second station while being positioned on the carrier 11 by the positioning pins 37.

  As shown in FIG. 14A, the shaft insertion mechanism 80 disposed in the second station S2 is temporarily inserted into the support arm 81, the shaft hole 82 provided in the support arm 81, and the shaft hole 82. It consists of a fourth plunger 83 that holds the shaft 25 so that it does not fall, and a cylinder unit 85 in which the piston rod 84 enters the shaft hole 82.

In FIG. 14A, the shaft 25 faces the positioning pin 37 and the shaft 25 is pushed down by the cylinder unit 85.
Then, as shown in (b), the lower surface of the shaft 25 hits the upper end of the positioning pin 37 and is lowered together in this state. As a result, the shaft 25 is inserted into a predetermined position. As described in detail with reference to FIG. 10, since the shaft 25 is placed on the sub-pallet 41, there is no fear that the shaft 25 falls from the carrier 11.

In this state, the carrier 11 together with the pinion assembly pallet 30 is moved to the next shortage inspection station Sk.
As shown in FIG. 15, the shortage inspection station Sk includes a hood 87 that surrounds the carrier 11 that is an inspection object, a camera unit 88 that is provided at the center of the hood 87, and extends downward from the camera unit 88. It comprises a mirror unit 89 that pivots about a vertical axis, a lamp 91 that is provided on the hood 87 at a portion that irradiates the carrier 11, and an analysis unit 92 that obtains information from the camera unit 88 and analyzes the image.

  By the way, the carrier base portion 12 has a peripheral wall portion 15 that rises toward the disc portion 14 at the edge portion. The height h of the peripheral wall portion 15 is about 2/3 of the distance H between the carrier base portion 12 and the disc portion 14. Since the peripheral wall portion 15 is obstructing, it is necessary to consider the missing item inspection.

  FIG. 16A shows an image of a non-defective product (no missing item). In the image, the disc part 14, the shaft 25, the bearing 22 (all are part), the upper washer 23, and a part (upper part) of the pinion 21 are recognized, and the remaining part of the pinion 21 (intermediate part and Lower and lower washers are not allowed.

  In the image of FIG. 16B, the upper washer 23 is lowered by “a” compared to FIG. 16A, and the pinion 21 is also lowered by “a” compared to FIG. This a corresponds to the thickness of the washer 23. Then, in FIG. 16B, it can be considered that the lower washer is missing. This determination is performed by the analysis unit (FIG. 15, reference numeral 92). Although not shown, the lack of the upper washer 23 and the appropriateness of the number of sheets are also determined from the image.

  In the image of FIG. 16C, the upper washer 23 is raised by a as compared with FIG. This a corresponds to the thickness of the washer 23. Then, in FIG. 16C, it can be considered that two lower washers are contained. This determination is performed by the analysis unit (FIG. 15, reference numeral 92).

In this way, it is possible to inspect for missing parts and defects even though the peripheral wall 15 in FIG. 15 obstructs the lower washer from the outside.
When the inspection is completed, the upper sub-pallet 41 is separated from the lower pallet main body 31, and the sub-pallet 41 is sent to the third station S3 together with the carrier 11.

As shown in FIG. 17, a caulking machine 94 is provided in the third station S3.
The caulking machine 94 is provided in the disk portion 14, a lower punch 95 having an outer diameter that can pass through the first through hole 45 provided in the sub-pallet 41, a lower actuator 96 that moves the lower punch 95 up and down. The upper punch 97 has a smaller diameter than the second shaft insertion hole 19 and an upper actuator 98 that moves the upper punch 97 up and down.

As shown in FIG. 18, when the upper and lower punches 95 and 97 are driven into both ends of the shaft 25, a part of both ends of the shaft 25 bulges radially outward. By this bulging, a bulging portion (FIG. 5, reference numerals 25a and 25a) is formed. As a result, one end of the shaft 25 is crimped to the carrier base 12, and the other end of the shaft 25 is crimped to the disk portion 14.
Thus, the carrier assembly 10 shown in FIG. 5 is obtained.

The summary of the embodiment described in detail above is summarized as follows.
First, in FIG. 1, shaft insertion holes 17 and 19 are provided in a carrier 11 that is an element of a planetary gear mechanism (FIG. 19, reference numeral 100), and a pinion 21 and a bearing ( 2 and the pinion set 20 comprising washers 23 and 23 provided on both sides of the pinion 21 are inserted into the carrier 11 (arrows (1) and (2)), and the shaft insertion holes 17 and 19 are inserted. By inserting the shaft 25 into the pinion set 20, a pinion assembling pallet used for assembling the pinion set 20 to the carrier 11 is provided.

  As shown in FIG. 14, the pinion assembling pallet 30 is provided so as to be movable up and down, penetrates the shaft insertion holes 17 and 19 and the pinion set 20 at the ascending position, and the pinion with respect to the carrier 11. A first insertion hole (FIG. 7, reference numeral 48) through which a positioning pin 37 for positioning the set 20 and a first push-up member (FIG. 12, reference numeral 78) for pushing up the positioning pin 37 from below the positioning pin 37 are inserted. And a support 53 for supporting the positioning pin 37 in the raised position after the first push-up member is lowered.

  Preferably, as shown in FIG. 7, the pinion assembling pallet 30 includes a pallet main body 31 provided with positioning pins 37 and a support 53, and a sub-pallet 41 separable from the pallet main body 31. The sub-pallet 41 includes a placement portion 42 on which the carrier 11 is placed, and a through hole 45 through which a punch (FIG. 7, reference numeral 95) for caulking the shaft to the carrier 11 passes.

  Preferably, the through hole 45 provided in the sub-pallet 41 is configured such that the positioning pin 37 can pass through as shown in FIG. 10A and the shaft 25 cannot pass through as shown in FIG. 10B. The

  Preferably, as shown in FIG. 7, the pinion assembly pallet 30 is provided so as to be movable up and down on the inner peripheral side with respect to the positioning pin 37, and a temporary set pin 38 for temporarily setting the pinion set, and the temporary set pin 38 A second insertion hole 49 through which a second push-up member (FIG. 12, reference numeral 79) for pushing up the temporary set pin 38 from below is inserted.

Preferably, as shown in FIG. 11, a pinion mounting pallet 30, while conveying by conveyor 61, the pinion assembly 60 to assemble the pinion set 20 to the carrier 11 on pallet 30 assembled the pinion , push the first insertion hole of the pinion assembly pallet 30 which by the conveyor 61 is conveyed to the first station S1 (FIG. 7, reference numeral 48) the positioning pin rises through (FIG. 12, reference numeral 37) The first push-up mechanism (symbol 76 in FIG. 12) that descends thereafter, and the pinion assembly pallet 30 that is transported from the first station S1 to the second station S2 after the first push-up mechanism is lowered. As shown in FIG. 14, with respect to the carrier 11, a shaft insertion mechanism 80 for inserting the shaft 25 from above. Provided.

Preferably, as shown in FIG. 12, the pinion assembling pallet 30 includes a temporary set pin 38 that can be raised and lowered, a second push-up mechanism 77 that pushes up the temporary set pin 38 from below, and the temporary set pin in the raised position. 38, the supply mechanism 66 for supplying the pinion set 20 so that the temporary set pin 38 penetrates the pinion set 20 and the second push-up mechanism 77 are lowered, and then the pinion set 20 is directed toward the positioning pin 37. And an extruding mechanism 72 that moves to a position corresponding to the positioning pin 37.

Preferably, as shown in FIG. 11, the subpallet 41 is separated from the pinion assembly pallet 30 conveyed from the second station S2 to the third station S3, and the separated subpallet 41 is transferred to the caulking machine 94. A transfer mechanism 56 is provided.

  In addition, this invention is applicable also to the thing without the surrounding wall part (FIG. 17, code | symbol 15) in the carrier 11. FIG. That is, the present invention can also be applied to the carrier 103 shown in FIG. Since the carrier 103 does not have a peripheral wall portion, the temporary setting pin 38 can be disposed outside the positioning pin 37 in FIG. Therefore, the position of the temporary set pin 38 is appropriately determined depending on the form of the carrier 11.

  In FIG. 11, the missing item inspection station Sk is provided between the second station S2 and the third station S3. However, the missing item inspection may be performed outside the line of the pinion assembly device 60. . However, it is easier to disassemble and reassemble the shaft because the shaft does not hurt if the missing item is inspected before caulking as in this embodiment, rather than the missing item inspection after caulking.

  When the work at the first station S1 takes longer than the work at other stations (for example, when there are many pinion sets to be assembled, the tolerance of the shaft diameter and the through hole is large, and the insertion of the positioning pin 37 is necessary. When time is required), the first station S1 may be further divided into a plurality of substations, and a pinion transfer means 63 may be provided for each substation. In this way, since the number of pinion sets 20 to be set in one substation can be reduced and the processing time in each substation can be set short, cycle time can be suppressed.

The number of pinion sets 20 to be assembled can be changed as appropriate. The positioning pins 37, temporary set pins 38, through holes 45 and 46, and insertion holes 48 and 49 are provided in the same number as the pinion set 20 to be assembled. Even when a plurality of types of carrier assemblies are assembled by the pinion assembly device 60, the operator in charge of this can cope with a wide variety of carrier assemblies by changing the pinion assembly pallet 30. Good workability.

Even when all or part of the work at the first station, the second station, and the third station is performed manually by an operator, the pinion assembly pallet 30 can be used preferably.

  The present invention is suitable for an automated technique for incorporating a pinion set into a carrier having a peripheral wall portion on the outer edge of the carrier base.

DESCRIPTION OF SYMBOLS 10 ... Carrier assembly, 11 ... Carrier, 17 ... Shaft insertion hole (first shaft insertion hole), 19 ... Shaft insertion hole (second shaft insertion hole), 20 ... Pinion set, 21 ... Pinion, 22 ... Bearing (needle) bearings), 23 ... washer, 25 ... shaft, 30 ... pinion assembly for pallet, 31 ... pallet body, 37 ... positioning pin, 38 ... temporary set pin, 41 ... sub-pallet, 45 ... through hole (first through hole 48 ... first insertion hole, 49 ... second insertion hole, 53 ... support, 60 ... pinion assembly device, 61 ... conveyor, 66 ... feed mechanism, 72 ... extrusion mechanism, 76 ... first push-up mechanism, 77 2nd push-up mechanism, 78 ... 1st push-up member, 79 ... 2nd push-up member, 80 ... Shaft insertion mechanism, 94 ... Caulking machine, 95 ... Punch (lower punch), S1 ... 1st station, S2 ... 2nd slide Station, S3 ... 3rd station, 100 ... planetary gear mechanism.

Claims (6)

A carrier that is an element of the planetary gear mechanism is provided with a shaft insertion hole, a pinion set including a pinion is inserted into the carrier, and the shaft is inserted into the shaft insertion hole and the pinion set, whereby the carrier A pinion assembly pallet used for assembling the pinion set to
Liftably provided through the said pinion set and the shaft insertion hole in the raised position, a positioning pin for positioning the pinion set for the carrier,
A first insertion hole through which a first push-up member for pushing up the positioning pin from below the positioning pin is inserted;
After lowering of the first pushing member, Bei example a support element for supporting the raised position the positioning pins,
Furthermore, the pallet main body provided with the positioning pin and the support, and a sub-pallet separable from the pallet main body,
The sub-pallet is a pinion assembly pallet having a placement portion on which the carrier is placed and a through hole through which a punch for caulking the shaft to the carrier passes . Wherein said through hole provided in the sub-palette, the positioning pins can penetrate the shaft pallet assembly pinion impossible configured claim 1 Symbol placement through. A temporary set pin for provisionally setting the pinion set provided so as to be movable up and down on the inner peripheral side from the positioning pin;
Second pushing claim 1 or claim 2 Symbol placement pinion assembly pallet and a second insertion hole member is inserted to push up the temporary set pin from below the provisional set pin. The pinion assembly pallet of any one of claims 1 to 3, with conveyor transport, the pinion assembly apparatus for assembling the pinion set in the carrier on the pallet assembly the pinion,
Push the positioning pin rises through the first insertion hole of the pinion assembly pallets conveyed to the first station by said conveyor, a first lifting mechanism you subsequently lowered,
A pinion assembly device comprising a shaft insertion mechanism for inserting the shaft from above with respect to the carrier on the pinion assembly pallet conveyed from the first station to the second station after the first push-up mechanism is lowered. . The pinion assembly pallet is provided with a vertically movable temporary set pin,
A second lifting mechanism Ru push the temporary set pin from below,
A supply mechanism for supplying the pinion set to the temporary set pin in the raised position so that the temporary set pin penetrates the pinion set;
The pinion assembling apparatus according to claim 4 , further comprising: an extruding mechanism that pushes the pinion set toward the positioning pin after the lowering of the second push-up mechanism and moves the pinion set to a position corresponding to the positioning pin. The pinion assembly for pallet, said pallet body with the positioning pin, and the sub-pallet comprising a placing part in which the carrier is mounted is configured to be separable,
From said second station to separate said sub-pallet from the pinion assembly pallet to be conveyed to the third station, the pinion assembly according to claim 4 or claim 5, wherein comprising a transfer mechanism for transferring the crimping machine.

Images