JPH0217223A - Manufacture of block ring for synchronous intermeshing speed change gear - Google Patents

Abstract

PURPOSE:To prevent friction material segments from being misregistrated by pressingly sticking a presser jig and ring body which are fitted with the center sides of respective strip sections made of friction material connected to each other between both of protrusions neighboring to each other. CONSTITUTION:The portions 19b corresponding to respective segments 13 made of friction material 17 are positioned in relation to each land section 12 of a ring body 11 on a presser jig 18. In this case, since the center sides 19a of the friction material of respective strip sections 19 are between both of positioning protrusions 24 neighboring each other and are connected to each other, when the presser jig 18 and the body 11 of a block ring 8 are fitted, i.e., the portions 19b corresponding to respective segments 13 of friction material are not misregistrated. In addition, when the ring body 11 is stuck to each land section 12, slits corresponding to each oil grooves are formed. In this way, the block ring to which the friction material segments are properly stuck can be manufactured efficiently.

Description

Detailed Description of the Invention A0 Object of the Invention (1) Industrial Application Field The present invention relates to a bronc ring for a synchronous mesh transmission, in particular,
a ring-shaped body in which a large number of oil grooves extending in the generatrix direction are formed on the inner wall of the tapered hole surrounding the cone of the transmission gear;
8 Concerning Method for Manufacturing a Block Ring with Friction Material Segments Adhered to Each Land Between Adjacent Oil Grooves (2) Conventional Technology Conventionally, when manufacturing this type of block ring, the ring-shaped body Apply adhesive to each land part of the band-shaped friction material material, bend it into a ring shape, insert it into the tapered hole of the ring-shaped body, and insert the friction material material into both openings of one of the oil grooves with both ends of the friction material material. Temporarily adhere to each land part according to the edges,
Techniques used include fitting a pressure jig into the tapered hole of the ring-shaped main body to bond the friction material material to each land portion under pressure, and cutting off portions of the friction material material that correspond to the respective oil grooves.

(3) Problems to be Solved by the Invention However, according to the above method, it is difficult to align both edges of the friction material material and both opening edges of the oil groove because adhesive is applied to each land portion. During the pressure bonding process, the friction material material is dragged in the mating direction by the pressure jig, resulting in misalignment, and after bonding, the friction material material must be cut according to the number of oil grooves. There are various problems such as a large number of manufacturing steps.

An object of the present invention is to provide the aforementioned manufacturing method that can solve the aforementioned problems.

B1 Structure of the Invention (1) Means for Solving the Problems The present invention provides a ring-shaped main body in which a large number of oil grooves extending in the generatrix direction are formed on the inner wall of a tapered hole surrounding a cone of a transmission gear, and In manufacturing a block ring for a synchronous mesh transmission equipped with friction material segments bonded to each land portion between both oil grooves, a large number of strip-shaped portions for obtaining the friction material segments are placed in the center. A flexible friction material extends radially from the part, and is connected to the truncated conical part and the small diameter end of the truncated conical part in fitting engagement with the tapered hole through the friction material material, and is connected to the oil groove. Using a pressure jig equipped with a convex spherical part having a corresponding number of positioning protrusions, the friction material material is placed over the convex spherical part of the pressure jig, and the center side of each strip-shaped part is The ring is arranged between two adjacent positioning protrusions, and the corresponding portion of the friction material segment on the tip side of each strip is aligned with the tapered surface of the truncated conical portion, and then each land portion is coated with adhesive. fitting the shaped main body and the pressing jig, and pressurizing and adhering each friction material segment corresponding portion to each land portion using the truncated conical portion;
Thereafter, an unnecessary portion of the friction material protruding from the ring-shaped main body is cut off.

(2) Effect According to the above method, the portion of the friction material material corresponding to each friction material segment is correctly positioned on the pressing jig with respect to each land portion of the ring-shaped main body.

In addition, since the center side of the friction material material of each strip-shaped portion is located between the two adjacent positioning protrusions and are connected to each other, when fitting the pressure jig and the ring-shaped main body, each strip-shaped portion Therefore, the corresponding portions of the friction material segments will not be misaligned.

Furthermore, when each friction material segment corresponding portion is adhered to each land portion of the ring-shaped main body, a slit corresponding to each oil groove is formed between both adjacent friction material segments, so that each oil groove with respect to the friction material material is It is no longer necessary to perform cutting according to the number of friction materials, and only one cutting process is required to remove unnecessary portions of the friction material material.

(3) Embodiment [1] Structure of block ring FIG. 1 shows a part of a known synchronous mesh transmission, in which a drive gear 2 as a speed change gear rotatably supported on a main shaft 1 is shown.
A driven gear 4 fitted onto the subshaft 3 is in mesh with the auxiliary shaft 3. A sleeve 6 meshes with a hub 5 fitted on the main shaft 1, and a block ring 8 is placed between the hub 5 and the cone 7 of the drive gear 2.
is interposed.

The block ring 8 is the second block ring. As shown in FIG. 3, a metal ring-shaped main body II has a large number of oil grooves 10 extending in the generatrix direction formed on the inner wall of the tapered hole 9 surrounding the cone 7 of the drive gear 2, and both adjacent oil grooves. Paper-based friction material segments 13 adhered to each land 12 between 10
It is equipped with The ring-shaped main body 11 also has a gear 15 protruding from its outer peripheral surface at one end and meshing with the gear 14 of the sleeve 6, and a plurality of positioning protrusions (three in the illustrated example) protruding from the outer peripheral surface at equal intervals on the circumference. It has a part I6.

(II) Manufacturing method of block ring In manufacturing the block ring 8, a friction material material 17 shown in FIG. A pressurizing jig 18 shown in FIG. 6 is used.

In FIG. 4, the friction material material 17 is flexible because it is vapor-based, and has a large number of strip-like portions 19 extending radially from the center.

Such a friction material material 17 is obtained by punching a circular plate.

Fifth. In FIG. 6, the pressing jig 18 has a disk-shaped portion 20.
, a truncated conical part 21 having a large diameter end connected to one end of the disc shaped part 20, and a convex spherical part 22 connected to a small diameter end of the truncated conical part 2I, and a convex spherical surface of the convex spherical part 22. A and the tapered face of the truncated conical portion 21 are provided with a large number of fin-shaped positioning protrusions 24 protruding from the large number of oil grooves 10, corresponding to the notches 23 between adjacent strip-like portions 19 of the friction material material 17. be done. In each positioning protrusion 24, the height of a portion 24a that protrudes from the tapered surface is formed to be slightly lower than the thickness of the strip-shaped portion 19 (this portion 24a may be omitted), and the truncated conical portion 21 are the tapered hole 9 of the ring-shaped main body 11 and the friction material material 17, and thus each strip-shaped part 19.
They are in a mating relationship via.

The manufacturing of the block ring 8 is as follows.

As shown in FIGS. 5 to 8, the friction material material 17 is placed over the convex spherical portion 22 of the pressing jig 18 with its notches 23 aligned with the positioning protrusions 24, and each strip-shaped portion 19 The friction material center side 19a is arranged between both adjacent positioning protrusions 24. Further, a friction material segment corresponding portion 19b on the tip side of each strip-shaped portion 19 is disposed between both adjacent positioning protrusions 24 along the tapered surface.

As shown in FIG. 9, each land portion 12 of the ring-shaped main body II coated with adhesive and each strip-shaped portion 1 of the friction material material 17
Match 9.

As shown in FIG. 10, the pressing jig 18 is raised and fitted into the ring-shaped main body 11, and each friction material segment corresponding portion 19b is pressure-bonded to each land portion 12 by the truncated conical portion 21, and the intermediate Obtain body 25.

As shown in FIG. 11, the pressing jig 18 is lowered and removed from the intermediate body 25, and then, in the intermediate body 25, the bowl-shaped unnecessary portion 2G of the friction material material 7 protruding from the ring-shaped main body 11 is removed. Excise.

Block ring 8 is obtained through the above steps.

According to the method, each friction material segment corresponding portion 19b of the friction material material 17 is correctly positioned on the pressing jig 18 with respect to each land portion 12 of the ring-shaped main body 11.

In addition, since each strip-shaped portion 19 is located between the two adjacent positioning protrusions 24 and is connected to each other, each strip-shaped portion 19 The portion 19, and thus each friction material segment corresponding portion 19b, will not be misaligned.

Furthermore, when each friction material segment corresponding portion 19b is adhered to each land portion 12 of the ring-shaped main body 11, a slit corresponding to each oil groove 10 is formed between both adjacent friction material segments 13, so that the friction material The cutting process corresponding to the number of each oil groove 10 for 17 is no longer necessary, and the friction material material 1
When removing the bowl-shaped unnecessary portion 26 of No. 7, it is sufficient to carry out one cutting process.

([I[) Block ring manufacturing apparatus No. 12. As shown in FIG. 13, a base 28 having a rectangular plane is installed on the floor 27, and columns 29 are erected at each of the four corners of the base 28. As shown in FIG. The lower support plate 3 is attached to those pillars 29.
0 and the upper support plate 31 are each held horizontally.

A bearing sleeve 32 is erected at the center of the lower support plate 30, and a rotating shaft 34 is supported by the bearing sleeve 32 and the upper support plate 31 via a bearing 33. A rotary plate 35 that rotates together with the rotary shaft 34 is horizontally held at the intermediate portion of the rotary shaft 34, and a chuck mechanism 36 for gripping the ring-shaped main body 11 is provided on the outer periphery of the rotary plate 35. A motor 38 is installed on the upper surface of the base 28 via a bracket 37, and a gear 40 fixed to a drive shaft 39 of the motor 38 meshes with a gear 41 fixed to the lower end of the rotating shaft 34.

The rotating shaft 34, and therefore the chuck mechanism 36, rotates intermittently by 45° clockwise in FIG. B, an adhesive application section C, a pressure bonding section E having a friction material supply section and the pressure jig 18, and an intermediate discharge section Fa.

The configuration and operation of each part A to F will be described in detail below.

(i) Ring-shaped main body supply part A In FIGS. 12 to 15, the base end of a supply stand 42 is fixed to the upper peripheral edge of the lower support plate 30 so as to protrude laterally from the lower support plate 30. Above the supply table 42, a storage cylinder 43 is connected to the upper support plate 3 via a bracket 44.
1 is suspended. A plurality of ring-shaped main bodies 11 are stacked in the storage cylinder 43 with their end faces on the gear 15 side facing downward, and the lowest ring-shaped main body 11 is located on the supply table 42 .

As clearly shown in FIG. 15, a notch-shaped extrusion port 45 toward the ring-shaped main body lifting portion B is formed at the lower end of the storage cylinder 43, and the storage cylinder 43 defines the extrusion port 45.
The lower end surface of the missing circular portion 43a is slightly spaced apart from the upper surface of the supply table 42.

As clearly shown in FIGS. 13 to 15, a U-shaped support member 46 is fixed to the lower surface of the supply table 42 with its pair of vertical parts 46a positioned on both sides of the upper end of the storage cylinder 43, and each vertical part 46a A clamping actuation cylinder 47 is attached with the tip of its horizontal piston rod 48 facing the storage cylinder 43. A clamping plate 49 is protruded from the tip of each piston rod 48, and the clamping plate vi49 is inserted into the storage cylinder 43 through a long hole 50 in the circumferential wall of the storage cylinder 43. Further, both the holding plates 49 are arranged so as to face the outer circumferential surface of the ring-shaped main body 11 in the second stage from the bottom.

One end of a support plate 51 is fixed to the lower surface of the tip of the supply table 42, and an extrusion operating cylinder 52 is attached to the upper surface of the support Fi51.
is attached with the tip of the horizontal piston rod 53 facing the storage cylinder 43. A vertical portion 54a of a hook-shaped extrusion plate 54 is fixed to the tip of the piston rod 53, and the horizontal portion 54a is fixed to the tip of the piston rod 53.
b can slide on the upper surface of the supply table 52. The horizontal portion 54b is formed thinner than the interval between the lower end surface of the storage tube 43 and the upper end surface of the supply table 42, and has a ■-shaped notch 55 on its tip side that engages with the outer peripheral surface of the gear 15 of the ring-shaped main body 11.
It is equipped with

In the above configuration, before the feeding operation of the ring-shaped main body II is started, the piston rod 4B is extended by the operation of both clamping operation cylinders 47, and the ring-shaped main body 11 in the second stage from the bottom is clamped by both clamping plates 49. .

The piston rod 53 is extended by the operation of the extrusion operation cylinder 52, and the extrusion plate 54 moves forward to push out the lowermost ring-shaped body 11 from the extrusion port 45 into the ring-shaped body lifting part B.
After the pushing plate 54 retreats, the piston rod 48 contracts due to the operation of both clamping cylinders 47.
Both the clamping plates 49 move back and the respective tips exit from the inside of the storage cylinder 43, and as a result, the ring-shaped main body 11 in the second stage from the bottom and onwards
is lowered, and the ring-shaped main body 11, which has been on the second stage, is now located on the lowest stage. Again, the piston rod 48 is extended by the operation of both clamping actuating cylinders 47, and both clamping plates 4
9 holds the ring-shaped main body 11 in the second stage from the bottom.

By repeating the above operations, one ring-shaped body 11 is supplied to the ring-shaped body lifting section B.

(ti) Ring-shaped main body lifting part B and chuck mechanism 3
6. The ring-shaped main body lifting part B is constructed as follows.

12th. As shown in FIG. 13, a positioning hole 56 into which the supplied ring-shaped body 11 is dropped is formed at the base end of the supply table 42 of the ring-shaped body supply section, and a holding table 57 is accommodated in the positioning hole 56. .

The holding base 57 includes a disk portion 57a that receives the end surface of the ring-shaped main body 11 on the gear 15 side, and a truncated conical portion 57b that projects from the upper surface of the disk portion 57a and fits into the tapered hole 9 of the ring-shaped main body 11. It becomes more.

A rotating shaft 58 is provided protruding from the lower surface of the disk portion 57a, and the rotating shaft 58 passes through the lower support plate 30 and connects to a motor 59 for slow rotation.
is connected to a drive shaft 60 of. The motor 59 has a slider 61 integrally extending in the vertical direction, and the slider 6
1. A guide rail 62 suspended from the lower surface of the lower support plate 30.
It is slidably fitted into the The motor 59, and hence the lifting cylinder 63 for lifting and lowering the holding table 57, is supported by a support bracket 65 suspended from the lower surface of the lower support plate 30, with the tip of its piston rod 64 facing upward.
The piston rod 64 is connected to a slider 61 of the motor 59.

The chuck mechanism 36 is constructed as follows.

12th. 13th. 16th. As shown in FIG. 17, the chuck 411 structure 36 is equipped with an air chuck 66, and in the air chuck 66, three chuck claws 68 protrude from the lower end of a cylindrical casing 67, and rotate on the upper end surface of the casing 67. The 0-rotation shaft 69 from which the shaft 69 is protruded passes through the rotary plate 35 and has a bearing 70 on the rotary plate 35.
A driven roller 71 is attached to the upper end of the 0-rotation shaft 69 supported via the horizontal piston rod 73. is attached to the upper surface of the rotating plate 35 via a guide block 74 so as to face the driven roller 71 . The piston rod 73 is slidably fitted into the guide hole 75 of the guide block 74, and the engagement convex portion 76 at the tip of the piston rod 73 engages the driven roller 71.
It is adapted to engage and disengage from an engagement hole 77 that opens on the outer peripheral surface.

As clearly shown in FIG. 17, each chuck claw 68 is provided corresponding to each positioning convex portion 16 of the ring-shaped main body 11,
Therefore, a recess 78 that engages and disengages from each positioning projection 16 is provided.

In the above configuration, before the gripping operation of the ring-shaped main body 11 is started, the rotary plate 35 stops rotating and the chuck mechanism 36 is at the stop position, and the axis of the air chuck 66 and the holding base 5
The axes of No. 7 and No. 7 are aligned.

In addition, the piston rod 73 is extended by the operation of the rotation prevention cylinder 72, and its retaining convex portion 76 is attached to the driven roller 71.
The air chuck 66 is engaged with the engagement hole 77 of the air chuck 66,
Therefore, each chuck jaw is held non-rotatably.

The ring-shaped main body 11 is supplied from the supply part A and falls into the positioning hole 56, whereby the tapered hole 9 of the ring-shaped main body 11 fits into the truncated conical part 57b of the holding base 57,
Further, the end surface on the gear 15 side is received by the upper surface of the disk portion 57a.

The piston rod 6 is moved by the operation of the lifting cylinder 63.
4 extends and the motor 59 moves up along the guide rail 62, and at the same time, the ring-shaped main body 11 is rotated at a slow speed together with the holding table 57 by the motor 59.

The ring-shaped main body 11 is connected to each chuck jaw 6 of the air chuck 66.
B, and each positioning convex portion 16 is aligned with each chuck claw 6.
8, the holding table 57 is lowered by the lifting operation cylinder 63, and the holding table 57 is moved again.
7 and rotate it at a slow speed.

When each positioning convex portion 16 of the ring-shaped main body 11 matches the recess 78 of each chuck claw 6, the drive of the motor 59 is stopped, and then the ring-shaped main body 11 is moved along each chuck claw 68 via the holding table 57. After raising, the operation of the lifting cylinder 63 is stopped. Then, the air chuck 6G is operated to grip the ring-shaped main body 11 with each chuck claw, and then the holding table 57 is lowered to separate from the ring-shaped main body 11.

After the gripping operation, the rotary plate 35 is rotated by 45 degrees by driving the motor 38, and the ring-shaped main body 11 is transferred together with the chuck mechanism 36 to the adhesive application section C, where it is stopped at a position t.

(iii) Adhesive application part C 12th. 13th. 18th. Figure 19, especially 13th and 1st
As clearly shown in Figure 8, a rectangular window 7 is provided in the lower support plate 30.
9 is formed, and a support bracket 80 attached to the lower support 1fi30 hangs down from the window 79. A guide rail 8 extending vertically on the upper part of the support bracket 80
1 is held, and a lifting cylinder 82 is attached to the lower end with the tip of its piston rod 83 facing upward.

A dispenser 84 for applying adhesive is disposed within the window 79;
A slider 86 provided on a holder 85 of the dispenser 84 is slidably fitted into the guide rail 81.

12th. 13th. As shown in FIG. 18, a rotation mechanism 87 rotates the chuck mechanism 36 when applying adhesive.
are provided on the upper support plate 31 as follows.

That is, a bearing tube 90 at the proximal end of the frame member 89 is supported via a bearing 91 on a support shaft 88 suspended from the upper support plate 31, and a bearing tube 90 is supported at the distal end side of the frame member 89.
Both ends of a rotating shaft 94 of a friction roller 93 are supported by bearings 95 on the upper and lower plates 92928 that are integral with the friction roller 93 . Upper plate 92
．． A motor 96 is attached to the upper surface of the upper support plate 31, and the motor 96 protrudes from a long hole 97 of the upper support plate 31. Top plate 92. Pulleys 99 and 100 are respectively fixed to a drive shaft 98 of a motor 96 passing through the drive shaft 98 and a rotating shaft 94 of a friction roller 93, and a transmission belt 101 is suspended between both pulleys 99 and 100.

12th. As clearly shown in FIG.
is supported so as to be rotatable in a horizontal plane, and the tip of its piston wand 104 is pivotally connected to the upper plate 92° of the frame member 89 via a connecting pin 105.

In the above configuration, the chuck mechanism 36
When the piston rod 83 is moved to the dispenser 84, the piston rod 83 contracts due to the operation of the lifting cylinder 82.
is lowered so that it does not interfere with the ring-shaped main body 11. Further, as clearly shown in FIG. 13, the piston rod 104 contracts due to the operation of the swinging actuating cylinder 103, and the frame member 89 swings toward the actuating cylinder 103, and the friction roller 93 moves toward the chuck mechanism 36.
It is designed so as not to interfere with the driven roller 71.

When the chuck mechanism 36 stops at the stop position Lx of the adhesive application part C as shown by the chain line in FIG. 71, and the chuck mechanism 36 becomes rotatable. Further, the piston rod 83 is extended by the operation of the lifting cylinder 82, and the tip of the dispenser 84 is inserted into the tapered hole 9 of the ring-shaped main body 11.

The piston rod 104 is extended by the operation of the swing actuation cylinder 103, and the frame member 89 swings clockwise in FIG. 13, and the friction roller 93 comes into contact with the driven roller 71 of the chuck mechanism 36 as shown in FIG. Then, the driven roller 7 is moved through the friction roller 93 by the drive of the motor 96.
1 rotates.

As a result, the ring-shaped main body 11 rotates and its tapered hole 9
, Therefore, each land portion 12 is coated with adhesive.

When the ring-shaped main body 11 rotates once, the motor 96 stops driving, and the piston rod 73 is extended by the operation of the rotation stopper cylinder 72, so that the engagement protrusion 76 fits into the engagement hole 77 of the driven roller 71. engage. As a result, the chuck mechanism 36 is held unrotatable.

Thereafter, the frame member 89 swings counterclockwise in FIG. 13 by the operation of the swinging actuation cylinder 103, and the dispenser 84 descends by the actuation of the elevating actuation cylinder 82, returning to its original position.

After the adhesive application operation, the rotary plate 35 is rotated by 45 degrees by the drive of the motor 38, and the ring-shaped main body 11 is transferred together with the chuck mechanism 36 to the side of the pressurized bonding part and is stopped at a stop position.

(iv) Friction material supply section 12. As shown in FIG. 13, a support stand 106 is arranged adjacent to the base stand 28, and an annular bottom plate 1 is placed on the support stand 106.
A magazine holder 108 having a magazine holder 07 is installed upright. Within 10 days, a cylindrical magazine 110 containing a large number of friction material materials 17 stacked on an annular bottom plate 109 is attached, and each friction material material 17 is attached to the pressure jig 18 of the pressure bonding portion E.
is pre-positioned relative to the

At the side of the magazine holder 108, a holding member 111 is provided upright on the support stand 106, and between the holding member 111 and the magazine holder 108, there is a feeder rotatably supported by a bearing portion 112 at the upper end of the holding member 111. The screw shaft 113 is suspended. The feed screw shaft 113 has a ball screw, and its lower end is connected to the reversible motor 1 via a coupling 114.
15 drive shafts 116.

A cylindrical nut member 117 is screwed onto the feed screw shaft 113,
Horizontal arm 1 protruding from the outer peripheral surface of the nut member 117
A push-up plate 119 is provided at the tip of 1B. horizontal arm 1
18 is inserted into slots 120 and 121 extending in the vertical direction of the magazine holder 108 and the magazine 110, thereby pushing the push-up plate 119 through the annular bottom plates 107 and 109 of the magazine holder 108 and the magazine 110, and pushing the lower surface of the friction material material I7 at the lowest stage. can come into contact with.

A supply actuation cylinder 122 is attached to the upper surface of the holding member 111 with the tip of its horizontal piston rod 123 facing toward the pressure bonding portion. At the tip of the piston loft 123, a vacuum suction plate 125 is provided which can face the upper surface of the uppermost friction material material 17 and the pressure jig 18 of the pressure bonding portion E via the bracket 124.

In the above configuration, before starting the feeding operation of the friction material material 17, the push-up plate 119 is moved to the magazine holder 10 via the feed screw shaft 113 and the nut member 117 by the reversible drive of the reversible motor 115, as shown by the solid line in FIG. It descends to Kusakabe, and the piston rod 123 contracts due to the operation of the supply operation cylinder 122, so that the suction plate 125 faces the friction material material 17 on the uppermost stage.

When the reversible motor 115 is driven to rotate normally, the push-up plate 119 is raised via the feed screw shaft 113 and the nut member 117 as shown by the chain line in FIG.
When all the friction material materials 17 in 0 are pushed up and the uppermost friction material material 17 comes into contact with the suction plate 125, the reversible motor 11
5 stops driving.

After the uppermost friction material material 17 is adsorbed by the suction plate 125, the piston rod 123 is extended by the operation of the supply actuation cylinder 122 to send the friction material material 17 to the pressure bonding area, and the adsorption is released above it. Then, the friction material material 17 is dropped onto the pressure jig 18 of the pressure bonding portion E.

Thereafter, the suction plate 125 returns to its original position by the operation of the supply operation cylinder 122 and faces the next friction material material 17.

(v) Pressure bonding part E As shown in FIG. 12, a positioning recess 126 into which the supplied friction material material 17 is dropped is formed at the outer edge of the lower support plate 30, and a pressing jig is inserted into the positioning recess 126. 18 is housed with the convex spherical portion 22 facing upward. Lower support plate 30
A lifting cylinder 127 is suspended from the lower surface with the tip of its piston rod 128 facing upward, and the tip of the piston rod 128 passes through the bottom wall of the positioning recess 126 and is connected to the lower surface of the disc-shaped portion 20 of the pressure jig 18. be done.

In the above configuration, the piston rod 128 is contracted by the operation of the lifting operation cylinder 127 before the pressure bonding work, and the pressure jig 18 is positioned in the positioning recess 126. 17 onto the pressurizing jig 18, and the friction material material 17 is placed on the pressurizing jig 18 as described above.
covered with

At this time, the ring-shaped main body 1 held by the chuck mechanism 36
1 and the axis of the pressure jig 18 match,
When the piston rod 128 extends due to the operation of the lifting cylinder 127, the pressurizing jig 18 rises and fits into the ring-shaped main body 11 located above it, and the friction material material 17 presses against the ring-shaped main body 11 as described above. Pressure bonded to. This yields intermediate 25.

Thereafter, the pressure jig 18 is housed in the positioning recess 126 at the lower part by the operation of the lifting cylinder 127.

After the pressure bonding work 1. The rotary plate 35 is rotated by 45 degrees by the drive of the motor 38, and the intermediate body 25 is transferred together with the chuck mechanism 36 to the intermediate body discharging section F, where it is stopped at a stop position 4.

(vi) Intermediate discharge section F 13th. As shown in FIG.
The intermediate body 25 is released from the chuck mechanism 36, falls onto the belt conveyor 129, and is transported to the cutting section.

In the figure, 130 is an endless belt, 131 is a roller, and 132 is a support member.

C9 Effects of the Invention According to the present invention, it is possible to efficiently manufacture a block ring in which friction material segments are correctly adhered to each land portion of a ring-shaped main body.

[Brief explanation of the drawing]

Figure 1 is a partially cutaway side view of the main parts of the synchronous mesh transmission, Figure 2 is a plan view of the block ring, Figure 3 is a cutaway perspective view of the main parts of the block ring, and Figures 4 to 11 are The manufacturing process of the block ring is shown, and FIG. 4 is a plan view of the friction material material, FIG. 5 is a side view showing the state before the friction material material is covered with the pressing jig, and FIG. 6 is FIG. Fig. 7 is a side view showing the state in which the friction material material is covered with the pressurizing jig, Fig. 8 is a view taken from the line shown in Fig. 7 Part 1 broken side view showing the state before applying the pressure jig
Figure 0 is a cutaway side view of the main parts showing the state in which the pressure jig is fitted to the ring-shaped main body, Figure 11 is a cutaway side view of the main parts showing the relationship between the pressure jig, the block ring, and unnecessary parts, and Figure 12 ~Second
Figure 0 shows the block ring manufacturing device, Figure 12 is a longitudinal side view of the whole, corresponding to Figure 13 xn-xnvA cross-sectional view, Figure 13 is a cross-sectional view taken along the line xm-xm in Figure 12, and Figure 14 is a cross-sectional view taken along the line xm-xm in Figure 12. Fig. 13 is a sectional view taken along the line XIV-XIV, Fig. 15 is a perspective view of the ring-shaped main body supply section, and Fig. 16 is a sectional view taken along the line XIV-XVI in Fig. 13.
17 is a sectional view taken along the line xvi-xvi in FIG. 12, FIG. 18 is a sectional view taken along the line X--X in FIG. Second
0 is a sectional view taken along the line xx-xX in FIG. 13. b... Tapered surface, 2... Drive gear (shift gear), 7... Cone, 8...
...Block ring, 9...Tapered hole, 10...Oil groove, 11...Ring-shaped body, 12...Land portion, ]3...Friction material segment, 17...Friction material material , 18... Pressure jig, 19... Strip-shaped portion, 19a.
...Central side, 19b...Friction material segment corresponding portion, 21...Truncated conical part, 22...Convex spherical part, 24...
...Positioning protrusion, 26...Unnecessary part

Claims (1)

[Claims] a ring-shaped body in which a large number of oil grooves extending in the generatrix direction are formed on the inner wall of the tapered hole surrounding the cone of the transmission gear;
In manufacturing a block ring for a synchronous mesh transmission that includes friction material segments bonded to each land between two adjacent oil grooves, a large number of strip-shaped parts are used to obtain the friction material segments. a flexible friction material extending radially from a central portion; a truncated conical portion that fits into the tapered hole through the friction material; and a small diameter end of the truncated conical portion; Using a pressing jig equipped with a convex spherical part having a large number of positioning protrusions corresponding to the oil grooves, the friction material material is placed over the convex spherical part of the pressing jig, and the center of each strip-shaped part is The part side is arranged between both adjacent positioning protrusions, and the corresponding part of the friction material segment on the tip side of each strip part is aligned with the tapered surface of the truncated conical part, and then adhesive is applied to each land part. The ring-shaped main body and the pressing jig are fitted together, and each friction material segment corresponding portion is pressure-bonded to each land part by the truncated conical part, and then the friction material protrudes from the ring-shaped main body. A method for manufacturing a block ring for a synchronized mesh transmission, characterized by removing unnecessary parts of the material.