JPH04114460U - Oil applicator - Google Patents

Abstract

(57) [Summary] [Purpose] To uniformly apply oil to the outer periphery of the oil seal during transportation in order to press-fit the oil seal smoothly into the annular groove of the workpiece. [Structure] A ring-shaped oil seal W pressed by a pusher 23 moves along a conveyance groove 11a formed in the longitudinal direction on the upper surface of the conveyance path 11. A supply head 28 provided at the tip of the pusher 23 has a driving roller 29 that contacts the left side wall of the conveying groove 11a and the outer periphery of the oil seal W at the same time.
and a driven roller 2 that presses the rear outer periphery of the oil seal W.
7 is provided. The oil seal W is rotated by a driving roller 29 which rotates due to a reaction force from the left side wall of the conveying groove 11a, and is pressed by a driven roller and moves forward.
Oil ejected from a plurality of nozzles 30 provided in 1 is uniformly applied to the outer periphery of the oil seal W.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention uses a pusher to press a ring-shaped oil seal and supply it along the conveyance path. The present invention relates to an oil application device that applies oil to the oil seal during oil supply.

0002

[Conventional technology]

Conventionally, it was used as a device for press-fitting a ring-shaped oil seal into an annular groove of a workpiece. Then, insert the expandable collet that holds the inner periphery of the oil seal into the annular groove of the object to be assembled. After being positioned coaxially with respect to the center, it is fitted to the outer periphery of the collet so as to be able to freely slide in the axial direction. The oil seal is pushed from the collet into the annular groove using a press-fit head. This is known (see Japanese Unexamined Patent Publication No. 61-209827).

0003 By the way, in this oil seal press-fitting device, the oil seal is inserted into the annular shape of the object to be assembled. Apply oil to the outer periphery of the oil seal in advance to push it smoothly into the groove. is necessary. Conventionally, oil was applied directly to the oil seal, or Pass the oil seal through the inside of the ring-shaped member leaking oil to drain the oil. Techniques such as direct application were used.

0004

[Problem that the idea aims to solve]

However, none of the above conventional methods can uniformly coat the outer circumference of the oil seal. It is difficult to apply oil, which hinders the press-fitting of oil seals. There was a possibility that this would occur.

[0005] The present invention was developed in view of the above-mentioned circumstances. To provide an oil application device for uniformly applying oil to the outer circumference of an oil seal. The purpose is to

[0006]

[Means to solve the problem] In order to achieve the above objective, the present invention uses a ring-shaped oil seal as a pusher. Apply oil to the oil seal while pressing it with the oil seal and feeding it along the conveyance path. The oil applicator is an oil applicator, and the pusher is connected to one side wall of the conveying path and an oil seal. The inner circumference of the conveyance path is The pusher is equipped with multiple nozzles that spout oil, and a roller attached to the pusher is used to The oil spouted from the nozzle is applied to the outer periphery of the oil seal, which moves while rotating. The first feature is that it can be applied.

[0007] In addition to the first feature described above, the present invention also provides a conveyance path on the lower surface of the pusher. The second feature is that a scraper is provided that slides into contact with the bottom of the device.

[0008]

【Example】

Embodiments of the present invention will be described below based on the drawings.

[0009] Figures 1 to 7 show an embodiment of the present invention, and Figure 1 shows an oil seal supply device. Overall side view, Figure 2 is a sectional view taken along line 2-2 in Figure 1, Figure 3 is a sectional view taken along line 3-3 in Figure 2, and Figure 4. is a cross-sectional view taken along the line 4-4 in Figure 3, Figure 5 is an enlarged view of the main part of Figure 1, and Figure 6 is a cross-sectional view taken along the line 6-6 in Figure 5. 7 are enlarged views of the main parts of FIG. 2.

0010 As shown in Figures 1 and 2, the oil seal supply device consists of a large number of ring-shaped oil seals. Oil seal storage mechanism 1 that holds oil seals W in a stacked state, oil seals Transport the oil seals W taken out one by one from the storage mechanism 1 in a horizontal position, and then transport them. Oil seal conveyance mechanism 2 that applies oil to the outer periphery of the oil seal W in the path , is provided at the longitudinally intermediate portion of the oil seal conveying mechanism 2, and the oil seal to be conveyed is Oil seal front and back confirmation mechanism 3 that confirms the front and back sides of oil seals, oil seals that are transported in a horizontal position An oil seal inversion mechanism 4 that inverts the oil seal W to a vertical position and supplies it downward; An oil seal receiver that receives the oil seal W in a vertical position and transports it toward the object to be assembled. The transfer mechanism 5 receives the oil seal W from the oil seal transfer mechanism 5 to be assembled. It is composed of an oil seal press-fitting mechanism 6 that is attached to an object.

[0011] The oil seal conveying path 11 of the oil seal conveying mechanism 2 runs along the longitudinal direction of the upper surface of the oil seal conveying mechanism 2. It is made of a long plate-like member in which a conveying groove 11a for guiding the wheel W is formed, and the proximal end thereof is is supported by a substrate 13 provided on the top surface of a base 12 erected on the floor, and Its tip is supported between a pair of side plates 15 provided on the left and right sides of a base 14 erected on the floor. be done.

0012 The oil seal storage mechanism 1 is provided so as to cover the upper part of the base end side of the conveyance path 11. The guide member 16 and the plurality of guides erected on the upper surface of the guide member 16 are A guide column 17 and a weight member provided vertically movably along the guide column 17. 18. The space formed between the guide columns 17 extends inside the guide member 16. through which it reaches the conveyance groove 11a of the conveyance path 11, and a large number of objects stored in that space are The ill seal W is pressed downward by the weight member 18. Therefore Therefore, the lowest oil seal W is always located inside the conveying groove 11a, and the oil seal W is always located inside the conveying groove 11a. When Lucille W is pushed out by the pusher described later, the next oil seal W descends. Then, it is supplied to the inside of the conveyance groove 11a. Oil seal storage mechanism 1 is attached to stay 19 It has two upper and lower sensors 20 and 21, and these sensors 20 and 21 measure the weight. By detecting the flange 18a of the member 18, the storage capacity of the oil seal W can be increased. Upper and lower limits are checked.

[0013] Next, the structure of the oil seal conveying mechanism 2 will be explained with reference to FIGS. 3 and 4. Explain in detail. The oil seal transport mechanism 2 is a series of oil seals arranged parallel to the lower part of the transport path 11. The tip of the output rod 22a presses the oil seal W for conveyance. The pusher 23 is connected to the pusher 23 via a connecting member 24. The pusher 23 It engages with an oil groove 11b formed one step lower at the bottom of the conveyance groove 11a of the conveyance path 11. A narrow lower plate 23b and a slightly wider plate connected to the upper surface of the lower plate 23b and engaged with the conveying groove 11a. A wide upper plate 23a is provided, and a lower plate 23b is provided with a plurality of slides provided on the substrate 13. It is slidably supported by the guide 25. At the bottom of the tip of the lower plate 23b of the pusher 23 is a screw made of an elastic material for scraping out oil accumulated inside the oil groove 11b. A raper 26 is provided.

[0014] At the center of the tip of the pusher 23 is a driven roller 27 that presses the oil seal W. The feed head 28 provided at the tip of the pusher 23 has a conveying groove. A drive roller 29 that abuts against the left side wall of 11a is pivotally supported. The drive roller 29 Rotates due to the reaction force received from the left side wall of the conveying groove 11a as the pusher 23 moves. do. The driving roller 29 and the driven roller 27 are connected to an oil seal in the conveying groove 11a. The right side of the oil seal W in the conveying direction and the left side are supported by the right side wall of the conveying groove 11a and the drive roller 29, respectively, and the The rear surface of the oil seal W is supported by a driven roller 27.

[0015] Three nozzles are provided on the downstream side of the conveyance path 11 so as to open on the right side wall of the conveyance groove 11a. 30 is provided, and the nozzle 30 is directed toward the oil seal W passing through the conveyance path 11. Then oil is sprayed.

[0016] Note that numerals 31 and 32 in FIG. 2 detect the forward end and backward end of the pusher 23. This is a sensor for controlling the drive of the cylinder 22. In addition, Figures 2 to 4 Reference numeral 33 indicates the auxiliary groove 11 formed one step lower along the left side of the conveying groove 11a. A positioning stopper pin provided on the supply head 28 so as to be located inside c. It is.

[0017] As shown in FIGS. 1 and 2, the oil seal front and back confirmation mechanism 3 A positioning rod 3 connected to a cylinder 34 provided on the left side via a connecting member 35 6. The positioning rod 36 protrudes into the conveyance path 11 and is connected to the pusher 23. At the same time, it regulates the front end of the oil seal W supplied by the supply head 28. The movement of the pusher 23 is stopped by coming into contact with a provided stopper pin 33. Conveyance path The output rod 38a of the cylinder 38 provided on the upper part of the frame 37 that straddles the A detection cup 39 that detects the front and back sides of Lucille W can be moved up and down automatically via a spring 40. Currently supported. A sensor is connected to the output rod 38a of the cylinder 38 via a stay 41. A sensor 42 is provided to detect the rising distance of the detection cup 39 in contact with the oil seal W. to determine whether the oil seal W is front or back.

[0018] As shown in FIGS. 5 and 6, the oil seal reversing mechanism 4 is located on the tip side of the conveyance path 11. A motor 43 is supported on one wall surface of a pair of left and right side plates 15 located at. Mo The rotary shaft 43a of the motor 43 has a holding structure 44a that holds an oil seal W therein. A reversing head 44 is supported, and the horizontal position and the rotation are regulated by a stopper bolt 45. It rotates over 90 degrees between the vertical position regulated by the topper bolt 46. Inversion When the pad 44 is in a horizontal position, its holding groove 44a is aligned linearly with the tip of the conveyance path 11. The oil seal W is connected to the reversing head from the conveyance path 11 by the pressing force of the pusher 23. It is delivered to the holding groove 44a of the door 44. At this time, the series provided on the other side plate 15 A positioning rod 49 connected to the connector 47 via a connecting member 48 is connected to the reversing head 4. It protrudes inside the holding groove 44a of No. 4 (see Fig. 2), and the above-mentioned oil seal front and back confirmation mechanism Position the oil seal W in the same way as in step 3. Then, the oil inside the holding groove 44a The seal W is held by the frictional force acting between it and the holding member 50 made of an elastic material. It is held inside the holding groove 44a.

[0019] A cylinder 5 is supported downwardly via a bracket 51 on the upper part of the left and right side plates 15. 2, a payout that can protrude into the holding groove 44a of the reversing head 44 in a vertical position; A rod 53 is provided. Further, from the holding groove 44a to the lower part of the reversing head 44, Left and right guide portions that guide the oil seal W pushed out by the delivery rod 53 A material 54 is provided.

[0020] As shown in FIGS. 5 and 7, the oil seal is removed from the bottom of the oil seal reversing mechanism 4. A guide rail arranged perpendicularly to the conveyance path 11 toward the press-fitting mechanism 6 55, the slide base 56 of the oil seal delivery mechanism 5 is connected to the slide guide 5. It is reciprocatably supported by a cylinder (not shown) via 7. slide base 5 A guide rod 60 is automatically slid into the upper and lower guide tubes 59 on the vertical board 58 installed upright in 6. The currently engaged holding block 61 is supported. There is a receiving block inside the holding block 61. The transfer head 62 is slidably engaged with the holding block 61 and the transfer head 62 . A spring 63 is compressed between the two. The output of the cylinder 64 provided on the vertical substrate 58 One end of a link 66 whose intermediate portion is pivoted to a bracket 65 is connected to the force rod 64a. The other end of the link 66 is connected to the transfer head 62.

[0021] As is clear from FIG. 6, there is an oil seal W at the lower end of the holding block 61. An arc-shaped support portion 61a that supports the lower half is formed, and the left and right sides thereof is provided with a pair of flexible synthetic resin holding members 68 whose upper ends are fixed with pins 67. It will be done. Normally, the holding member 68 is regulated by a stopper bolt 69 to the position shown by the solid line. However, when the oil seal W falls from the guide member 54, its weight causes The oil seal expands to the left and right to the position shown by the chain line, and cooperates with the support portion 61a. Hold W.

[0022] As shown in FIGS. 2 and 7, the oil seal press-fitting mechanism 6 is supported by a guide member 70. A press-fitting head 72 is provided which is held and driven forward and backward by a cylinder 71. Press-fit head 7 2, the slide base 57 that moves along the guide rail 55 has a stopper bolt. 73 and stops, the oil seal W held by the holding block 61 is placed in a position facing the Then, the oil seal is placed across the oil seal delivery mechanism 5. On the opposite side of the oil seal press-fitting mechanism 6, there is an annular groove 74a in which an oil seal W is to be installed. A to-be-assembled object 74 is positioned and fixed.

[0023] Next, the operation of the embodiment of the present invention having the above-described configuration will be explained.

[0024] 1 and 2, the cylinder 22 of the oil seal conveying mechanism 2 is contracted. When the pusher 23, which slides inside the conveyance path 11, is driven to the left, the oil cylinder A large number of oil seals W are stacked between the guide columns 17 of the oil storage mechanism 1. Then, the oil seal W at the lowest position is separated and pushed out by the pusher 23. Ru. At this time, the right side and left side of the oil seal W in the conveying direction are respectively in the conveying groove 11a. It is supported by the right side wall and the driving roller 29 and pressed by the driven roller 27, Since the drive roller 29 rolls in contact with the left side wall of the conveyance groove 11a, this drive roller The oil seal W in contact with the roller 29 is rotated by the drive roller 29 while being rotated by the driven roller 29. It moves forward inside the conveying groove 11a by the pressing force of the roller 27. Note that the driven roller 27 rotates. The oil seal W should be rotated freely in order to come into contact with the oil seal W. It also rotates itself.

[0025] When the oil seal W reaches the bottom of the oil seal front and back confirmation mechanism 3, the cylinder 34 contracts, the positioning rod 36 protrudes into the conveyance path 11, and the oil seal W is temporarily stopped at that position. Subsequently, the cylinder 38 is extended to open the detection cup. 39 descends and comes into contact with the upper part of the stopped oil seal W. At this time, The shapes of the front and back sides of Lucille W are slightly different, so if the oil seal W is In this state, the detection cup 39 cannot fit onto the outer periphery of the oil seal W. The detection cup 39 is moved relative to the output rod 38a while compressing the spring 40. to rise. As a result, the sensor 42 is activated and the oil seal W is turned upside down. is detected. On the other hand, if the oil seal W is in its normal outward position, For example, the detection cup 39 is lowered together with the output rod 38a and fitted into the oil seal W. Therefore, the sensor 42 does not output an abnormal signal.

[0026] When the front and back sides of the oil seal W are confirmed, the positioning rod 36 moves back again and the oil seal W is checked. Lucille W is pressed by the pusher 23 and moves forward again while rotating. At this time , oil is spouted from the three nozzles 30 provided on the conveyance path 11 and moves forward while rotating. It adheres uniformly to the outer periphery of the oil seal W. Did not adhere to oil seal W Excess oil accumulates in the oil groove 11b of the conveyance path 11, but the oil is removed from the pusher. - 23 is scraped out to the outside by a scraper 26 provided on the lower surface.

[0027] The oil seal W, whose outer periphery is coated with oil as described above, is further pushed -23 and is supplied to the oil seal reversing mechanism 4 shown in FIGS. 5 and 6, It is supplied to the inside of the reversing head 44 which is in a horizontal position. At this time, oil seal W If the positioning rod 4 is in the correct facing position, the positioning rod 4 moves forward and backward by the cylinder 47. 9 protrudes inside the holding groove 44a, and the positioned oil seal W is attached to the holding member 5. It fits into the holding groove 44a with zero elasticity. On the other hand, oil seal W is turned over. If not, the positioning rod 49 remains retracted and is not pushed by the pusher 23. The pressurized oil seal W passes through the holding groove 44a of the reversing head 44 and exits. It is discharged to the department.

[0028] The reversing head 44 holding the oil seal W is vertically moved from the horizontal position by the motor 43. When turned 90° to the upright position, the cylinder 52 extends and the payout rod 53 moves to the reversed position. The oil seal W protrudes into the inside of the pad 44 and is held by the elasticity of the holding member 50. It is discharged downward from the holding groove 44a. The oil seal W separated from the reversing head 44 is Holding the oil seal delivery mechanism 5 guided by the guide member 54 and waiting below it. It falls towards block 61. Then, a pair of holding parts provided on the holding block 61 The material 68 expands to the left and right due to the weight of the oil seal W, and an arc-shaped support section below The oil seal W is held in cooperation with the oil seal W.

[0029] The oil seal delivery mechanism 5 that received the oil seal W is guided from the position shown in FIG. It moves along the rail 55 and comes into contact with the stopper bolt 73 at the position shown in FIG. Stop. Next, when the cylinder 64 is extended and the link 66 is swung, the oil cylinder The transfer head 62 holding the roll W and the holding block 61 are integrated into a press-fitting head 72. move towards. Further extension of the cylinder 64 uncompresses the spring 63. Only the transfer head 62 moves further, and the pushed out oil seal W is press-fitted. It is delivered to the head 72. Oil seal that has completed delivery of oil seal W When the delivery mechanism 5 returns to its original position, the cylinder 71 extends and seals the oil seal W. The held press-fitting head 72 moves forward and places an oil seal in the annular groove 74a of the object to be assembled 74. Press-fit W. At this time, oil is evenly applied to the outer circumference of the oil seal W. Because of this, the installation process goes smoothly.

[0030] Although the embodiments of the present invention have been described in detail above, the present invention is limited to the above embodiments. However, various inventions may be made without departing from the present invention as stated in the claims for utility model registration. It is possible to make small design changes.

[0031] For example, the driven roller 27 provided on the supply head 28 of the pusher 23 is not necessarily It is not necessary and can be omitted.

[0032]

[Effect of the idea]

As described above, according to the first feature of the present invention, the oil cylinder pressed by the pusher When the pusher moves along the conveyance path, the pusher is provided with a The oil seal does not rotate due to the action of the rollers that contact the oil seal at the same time. The oil jetted from the nozzle is applied evenly to the outer periphery of the oil seal. Can be cloth. Additionally, the rotation of the oil seal does not require the use of a special drive source. Therefore, there is no problem of complicating the structure and increasing costs.

[0033] Also, according to the second feature of the present invention, oil shank out of the oil spouted from the nozzle is Excess oil that did not adhere to the roll is removed by the scraper installed on the pusher. It can be automatically discharged from the feed groove.

[Brief explanation of drawings]

[Figure 1] Overall side view of oil seal supply device

[Figure 2] Cross-sectional view taken along line 2-2 in Figure 1

[Figure 3] Cross-sectional view taken along line 3-3 in Figure 2

[Figure 4] Cross-sectional view taken along line 4-4 in Figure 3

[Figure 5] Enlarged view of main parts of Figure 1

[Figure 6] Cross-sectional view taken along line 6-6 in Figure 5

[Figure 7] Enlarged view of main parts of Figure 2

[Explanation of symbols]

11...Conveyance path 23...Pusher 26...Scraper 29...Roller (drive roller) 30... nozzle W...Oil seal

Claims (2)

[Scope of utility model registration request] 1. An oil application device that applies oil to a ring-shaped oil seal (W) while pressing the ring-shaped oil seal (W) with a pusher (23) and supplying the oil seal (W) along a conveyance path (11). The pusher (23) rotatably supports a roller (29) that contacts one side wall of the conveyance path (11) and the outer periphery of the oil seal (W) at the same time. A plurality of nozzles (30) for spouting oil are provided inside, and the pusher (23)
An oil application device characterized in that oil ejected from the nozzle (30) is applied to the outer periphery of an oil seal (W) that is rotated and moved by a roller (29) provided in the nozzle (30). 2. The oil application device according to claim 1, further comprising a scraper (26) provided on the lower surface of the pusher (23) for slidingly contacting the bottom of the conveyance path (11).