JPS6161728A - Automatic setting machine for washer - Google Patents

Abstract

PURPOSE:To make a washer automatically settable to a fitting groove of a shaft and the like, by installing a suction unit attracting the washer so as to be rotatably driven within a virtual conic surface being inclined to an axial of the unit. CONSTITUTION:A column 17 having a vertical axis is erected on a bed plate 16 and a first support body 18 extending horizontally is locked to this column. A horizontal guide rail 19 is attached to the first support body 18, and with this guide rail 19, a second support body 20 is horizontally moved by a horizontal motion power source 21. In this second support body 20, a base body 22 is made free of lifting motion in vertical directions along a vertical motion power source 23. These horizontal and vertical motion power sources 21 and 23 are operated by air pressure. A unit 50 attracting a washer by vacuum suction is installed so as to cause its axis to be set within a virtual conic surface being inclined to an axis of rotation.

Description

[Detailed Description of the Invention] Technical Field The present invention relates to a washer that is divided in the circumferential direction.
;i? This relates to an automatic mounting plate for washers to be mounted on glazes such as S.

BACKGROUND ART As shown in FIG. 8, the washer 1 has a υf gap, and is divided by lf in the circumferential direction by a notch indicated by reference numeral 2.
T is gone. The inner diameter d1 of this washer 1 is, even if l
rl, Oωm, and its outer diameter d2 is 3°5■,
Thickness No. 1 is 0.31jI11. Such a washer 1 is attached to a chassis 3 of an audio equipment, for example, as shown in FIG.
Teeth 115 are rotatably supported on the crimped pongee 4 and are used to prevent the teeth from being pulled out. The shaft 4 has a small diameter neck part 6, a large diameter cylinder part 7, and a truncated conical part 8 connected to the cylinder part 7 in this order. 9 is formed'! -I can do it. A washer 1 is fitted into this fitting groove 9, thereby preventing the gear 5 from being pulled out. The outer diameter d3 of the pongee 4 is, for example, 2 to 3 mm, the outer diameter d4 of the neck portion 6 is II, and the outer diameter d5 of the cylindrical portion 7 is, for example, 1.6 mm.

To mount such a small washer 1 on MJ4,
Conventionally, an insertion tool 10 is used as shown in Figure t510. Grease 12 is applied to the tip 11 of this insertion tool 1o.
washer 1 with this grease 12.
Attach 1 g and 1 liter of the solution as shown in j@111.

Insertion tool 10 with washer 1 attached to tip 11
By pressing the washer 1 onto the pongee 4, the washer 1 is inserted and mounted as shown in FIG.

Problems to be Solved by the Invention Such conventional mounting work is manual and the washer 1 is extremely small, resulting in poor workability. Also, when trying to fit the washer 1 into the sleeve 4 by simply pressing the insertion tool 10 toward the fitl 14, the 12th
As shown in Figure (1), both g@ portions 13 of the washer 1,
14 may be bent, or if the
As shown in 2), both ends 13 and 14 of the washer 1 were opened, and there was a problem that the washer 1 could not be reliably mounted on the neck 6 of the glaze 4.

The object of the invention is to provide an automatic washer assembly 91 that allows small washers to be inserted automatically.

Another object of the present invention is to provide automatic VC mounting of a washer, which allows even small washers to be reliably mounted.

Means for Solving the Problems The present invention provides means comprising: a unit for vacuum suctioning a washer; a negative pressure source connected to the suction unit to perform the vacuum suction operation; The axis of the suction unit is
and means for driving the suction unit to rotate around the axis of rotation while preventing the suction unit from rotating around the axis of the suction unit so that the suction unit is within a virtual conical plane inclined with respect to the line. This is an automatic washer mounting machine.

In a preferred embodiment, the suction unit has a guide pin that is gently inserted into a contact surface that the washer contacts, a suction hole formed in the center of the contact surface, and a guide pin that can protrude from the suction hole. , a spring biasing the guide pin in a direction in which the guide pin protrudes from the suction hole, and the negative pressure source draws suction from an open gap between an inner circumferential surface of the suction hole and an outer circumferential surface of the guide pin. This is an automatic washer mounting machine.

Furthermore, in a preferred embodiment, the drive means is provided with a support member that rotates at a rotation degree of II around the rotation axis, and is provided on the support member to rotatably support the suction unit around the axis, and the drive means is provided on the support member so as to be rotatable around the axis, rotate! such a pivoting means inclined with respect to the dl line; a locking rod protruding from the suction unit; and a locking rod installed at a fixed position and locking to a locking end of the locking rod; An automatic washer mounting machine characterized by comprising: a locking member that allows displacement with the locking end along the rotational axis; and means for rotationally driving the support member around the rotational axis.

The working washer is vacuum-adsorbed by the attachment unit, and then the washer is sucked. In this state, the suction unit is rotated around the axis of rotation within the virtual conical plane, and the suction unit is prevented from rotating around the axis of the suction unit, so that the washer is not rotated around the axis of rotation. It becomes possible to automatically and reliably mount it in the groove.

Example FIG. 1 is a perspective view of one embodiment of the present invention.

A support 17 having a vertical ttIl line is erected on the base 16, and a first support 18 extending horizontally is fixed to the support 17. The @1 support 18 has a horizontal guide rail 19
is installed. This guide rail 19 allows the second support 20 to be horizontally moved by the lateral movement source 21 . A base body 22 is attached to the second support body 20.
It can be moved up and down in the vertical direction along 3. The lateral movement source 21 and the vertical radial movement source 23 are operated by air pressure.

FIG. 2 is a front view of the vicinity of the base body 22. A pneumatic swing motor 24 is fixed to the six bodies 22.

This '9! A gear 25 is fixed to the output shaft 24m of the pneumatic motor swing 24. The output shaft 24a is that. For example, 280° reciprocating angular displacement is possible around tJll. a,.

Another m wheel 26 meshes with the tooth $25.

The word post 26 is fixed to the drive shaft 27. This drive shaft 27
are supported by single row deep groove ball bearings 28, 29, and the lanoarch and thrust forces are received by these bearings 28, 29. The 1iJ Hayabusa 25 has a larger diameter than the gear 26, so when the output shaft 24a of the swing motor 24 is angularly displaced, the gear 26 and the upper V drive shaft 27 are rotated, for example, once or twice. FIG. 3 shows the drive shaft 27
FIG. 2 is an exploded perspective view of the vicinity of the lower end. A keyhole 30 is formed at the lower end of the drive shaft 27 . Mounting plate 31 has #
i32 is erected and constitutes the support member 33. A key groove 35 is formed in the insertion hole 34 of the cylinder 32. A key 36 is fitted across the key hole 30 and the key groove 35. The lower end surface of the mounting plate 31 is received by a receiving plate 37. A bolt 38 is inserted into this receiving plate 37, and this bolt 38 is driven! r! No. 11 is screwed into a screw hole 39 formed in the glaze 27. In this way, the support member 33 is connected to the drive shaft 27.
It is configured to be able to be displaced up and down along the axis, and to be angularly displaced integrally with the drive shaft shift by the action of the key 36. The mounting plate 31 has a mounting hole 40 at a position where the cylinder 32 is shifted.
is formed and an insertion hole 41 is formed on both sides thereof. The support member 33 is urged downward in FIG. 2 by a spring 89.

The shaft support cylinder 4 is fixed by the bolt 42 inserted through the insertion hole 41.
The shaft support cylinder 43 is fixed to the mounting plate 3 with the end surface 44 of the mounting plate 3 in contact with the lower surface of the mounting plate 31.

FIG. 4 is a sectional view of the shaft support cylinder 43 and its vicinity. The shaft support cylinder 43 has an insertion hole 45 and a support hole 46 connected to the insertion hole 45 .

In the peripheral wall of the shaft support cylinder 43, side holes 47 are formed at positions equally divided into three circumferences. A bone 48 is stored in this side hole 47,
This spring 48 is pressed by a bolt 49. The three springs 48 press the outer periphery of the suction unit 50 inserted into the insertion hole 45 and the support hole 46 , thereby supporting the suction unit 50 at the center of the support hole 46 . A sphere 52 is fixed to the base end of the suction unit 50. This sphere 52 is supported by the sphere seat 53 8!53
The 1st sphere 52 and the spherical seat 53 enter the mounting recess 54 of the support member 31 and are fixed between the shaft support cylinder 43. 53, the suction unit 50 can be angularly displaced 9 around its axis 55.

FIG. 5 is an exploded perspective view of the suction unit 50. Inside the main body 57 of the adsorption unit 50, there is a 1r spring 58 and a guide hole 59 that is smaller in diameter than the 9 spring chambers 58 connected to this spring chamber 58.
are formed coaxially. A shoulder surface 60 is formed between the spring plate 58 and the guide hole 59.
Is there an external screw force? The inner thread of the cap 63 is screwed into this outer thread. A suction hole 64 coaxial with the guide hole 59 is formed in the cap 63 . A contact surface 65 is formed at the outer peripheral end of the suction hole 64 . This contact surface 65 is perpendicular to the axis 55 coaxial with the guide hole 59 .

An actuating member 66 is housed within the main body 57 .

This actuating member 66 enters into the guide hole 59 and the bone chamber 58 and can come into contact with the shoulder 60.
8 and a guide pin 69 extending to the tip of the shaft portion 67. A flat surface 70 is formed on the shaft portion 67 along the armature direction. A spring 71 housed in the spring chamber 58 spring-biases the actuating member 66 toward the guide pin 69.
A screw hole 72 is formed, into which a mounting screw 73 is screwed, and a nut 74 prevents the bolt 73 from loosening. The bolt 73 faces the flat surface 70,
This prevents mutual angular displacement of the actuating member 66 and the body 57 about the axis 55.

A pipe joint 75 is hinged in communication with the guide hole 59.

The bolt 73 is screwed onto the base plate of the locking door 6, and the locking end 77 of the locking rod 76 is connected to the locking member 78.
It is inserted into the locking elongated hole 79 of. The locking elongated hole 79 is connected to the drive shaft 2.
parallel to the axis 80 of 7.

The axis of the locking rod 76 is perpendicular to the axis 55 of the suction unit 50. The locking member 78 includes a locking piece 81 in which a locking elongated hole 79 is formed, a bent portion 82 connected to the locking piece 81, and a mounting piece 8 connected to the bent portion 82 and fixed to the base body 22.
It consists of 3. The bent portion 82 extends upward in the plane of FIG. 2 toward the attachment unit 50, so that the locking rod 76 can be shortened to keep the locking end 77 locked in the locking elongated hole 79. becomes possible.

The pipe joint 75 is connected to a flexible tube 85, and the flexible tube 85 is connected to a negative pressure generating means 86 shown in FIG.

A passage 87 through which compressed air flows is formed in the negative pressure generating means 86 , and a passage 88 to which the flexible tube 85 is connected is supplied with compressed air to one passage 87 facing the passage 87 and an outlet 89 . By discharging the compressed air from the passageway 88 and the flexible tube 85, a negative pressure is created. Therefore, air is sucked through the gap between the inner circumferential surface of the suction hole 64 and the outer circumferential surface of the guide pin 69, and the washer 1 can be tightly vacuum-adsorbed onto the contact surface 65.

The tip of the guide pin 69 in the suction unit 50 slightly protrudes outward from the contact surface 65 with the seventh run y68 of the actuating member 66 in contact with the shoulder 60 of the main body 57. This allows the hole of the washer 1 to fit into the guide pin 69 when the washer 1 is attracted, thereby making it possible to perform centering.

The operation of installing the washer 1 will now be described. As shown in FIG.
Supplied individually. The base body 22 is moved up the horizontal displacement S source 21 so that the axis a80 is directly above the supply end 88, and in this state, the base body 22 is lowered by the vertical displacement source 23 as indicated by the reference mark . A single washer 1 is attracted and abutted against the contact surface 65 of the suction unit 50 concentrically with the pongee uA 55 as indicated by the reference mark ■.

The vertical movement source 2 is sucked by the suction unit 50.
3, the base body 22 is raised as indicated by the reference press (■).

Next, as indicated by the reference symbol (■), the base body 22 is horizontally moved by the lateral movement source 21 together with the vertical movement source 23 to bring it to a predetermined position.

There, as shown by the reference mark O, the vertical diameter! I! 1Jr1.
23, the base body 22 is lowered, and the washer adsorbed on the suction surface 65 is brought into contact with the truncated conical portion 8 and the cylindrical portion 7 shown in FIG. At this time, the suction unit 50 can be displaced against the spring force of the spring 89, and the suction unit 50 can be moved. I
The J member 66 is movable against the spring 71. In this state, the swing motor 24 rotates the driving shaft 27 one to two times in one direction as shown by the reference mark ■, and then rotates the driving wheel 27 one to two times in the opposite direction as shown by the reference mark ■. Rotate. When the drive shaft 27 rotates, the axis 55 of the suction unit 50
is within a virtual conical plane having an axis 80, and the center of the end of the suction hole 64 facing the contact surface 65 is at the intersection 6 of the axis 55°80.
It is on 4a. The state in which the suction unit 50 is furthest away from the locking member 78 is as shown by the solid line in Figure PA3, and the state of the locking rod 76 in which the suction unit 50 is closest to the member 78 is as shown by reference numerals. 76a. Since the end portion 77 of the locking rod 76 remains fitted into the locking elongated hole 79, the suction unit 50 does not move around its narrow surface λ55, so that the washer 1 is attached to the truncated cone of the pongee 4. Section 8 rises and is in contact with the cylindrical section 7, as described above with reference mark ■.

It is reshaped and fitted into the fitting groove 9 as shown in ■.
Thereafter, the base body 22 is raised by the vertical movement source 23 as shown by the reference symbol 2, and then the base body 22 is horizontally moved by the lateral movement a21 as shown by the reference numerals 2 and returned to the original rest position.

FIG. 7 is a perspective view of another embodiment of the invention.

This embodiment is similar to the previously described embodiment, and corresponding parts are given the same reference numerals.In this embodiment, the washer to be implemented, unlike the previously described washer '1, is endless; The notch 2 is not formed, or it is q-notched like the washer 1 described above! Even if 2 is formed, the inner diameter d1 and thickness of the washer! The truncated cone f of the workpiece f4
Due to the dimensional relationship between the fl58 and the cylindrical portion 7, it can be easily installed. Such a glaze can be mounted by pressing it coaxially onto the tip of the glaze to be installed. 1 lil transfer for this purpose! The base body 90 that is moved by the J source 21 has a double acting pneumatic sill 9
The suction unit 92, which is raised and lowered by 1, is mounted on a rack.

This suction unit 92 is guided up and down by a guide rod 93194. The guide rods 93 and 94 and the suction unit 92 are commonly fixed to a support member 95. The axis of the sill 91 and the axis of the suction unit 92 are on one straight line. The suction unit 92 has a similar structure to the suction unit 50 of the above-described embodiment, and the end of the main body 57 is supported. 11S
It is fixed to the material 95.

The endless washer supplied to the supply end 88 of the vibratory feeder 87 is sucked as shown by the reference mark ■ by the suction unit 92 which descends as the shilling 91 is extended as shown by the reference mark Φ, and then , the shilling 91 shrinks and rises as indicated by the reference symbol .Then, the base body 90 moves horizontally to reach a predetermined position by the lateral movement a21 as indicated by the reference symbol . The sill 91 is expanded again, and the suction unit 92 is lowered as shown by reference numeral 2, and is attached to the glaze 4.

After attaching the washer to the pongee 4, the shilling 91 is gone!
It rises as indicated by the lt mark ■, and finally the lateral movement source 21
It moves horizontally as indicated by the reference mark ■ and returns to its original resting position.

According to the present invention, it is possible to mount a washer or the like having a shape different from that of the above-described embodiments.

Effects As described above, according to the present invention, even a small washer can be automatically and accurately mounted, and productivity can be improved.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a base 22.
A cross-sectional view of the vicinity, Figure 3 shows the drive! An exploded perspective view of the vicinity of the lower end of 1127, tj & 4 is a sectional view of the suction unit 50,
5 is an exploded perspective view of the suction unit 50, FIG. 6 is a sectional view of the negative pressure generating hand p, 5j86, FIG. 7 is a perspective view of another embodiment of the present invention, and FIG. 8 is a perspective view of the washer 1. 9 is a sectional view showing the mounting state of the washer 1, FIG. 10 is a perspective view of a conventionally used insertion tool 10, and FIG. 11 is a sectional view of the vicinity of the tip RA portion 11 of the insertion tool 1O. rjrJ12
The figure is a #+ view showing a state in which the washer 1 is mounted using the insertion tool 10. 18... First support body, 19... Guide rail, 20...
...Second support body, 21...Transverse movement source, 22...Base body, 23...Vertical diameter! IJ source, 24... Swing motor, 2
5.26...Gear, 27...Drive shaft, 33...Support member, 43...Spindle support body a, 50...Adsorption unit)
, 6G... Operating member, 69... Guide pin, 76...
- Locking rod, 78...Locking member, 86...Negative pressure generating means

Claims (3)

[Claims] (1) Means comprising: a unit for vacuum suctioning a washer; and a negative pressure source connected to the suction unit to perform the vacuum suction operation; and means for driving the suction unit to rotate around the axis of rotation so that the suction unit lies within an inclined virtual conical plane and prevents the suction unit from rotating around the axis of the suction unit. Automatic mounting machine. (2) The suction unit includes a contact surface on which the washer contacts, a guide pin that is gently inserted into a suction hole formed in the center of the contact surface, and a guide pin that can protrude from the suction hole. a spring biased in a direction to project from the suction hole, and the negative pressure source draws suction from a gap between an inner circumferential surface of the suction hole and an outer circumferential surface of the guide pin. An automatic washer mounting machine as described in Scope 1. (3) The drive means includes a support member rotatable about the rotation axis, and is provided on the support member and supports the suction unit in rotation about the axis, the axis being relative to the rotation axis. such a pivoting means that is inclined; a locking rod that protrudes from the suction unit; 2. The automatic washer mounting machine according to claim 1, further comprising: a locking member that allows displacement with respect to the locking end; and means for rotationally driving the support member around the rotational axis.