CN102689440A - Device for indexing and resetting paper-based friction plate during attaching - Google Patents

Abstract

The invention discloses an indexing and resetting device for pasting a paper-based friction plate, which is used to solve the technical problem that simultaneous positioning, indexing and resetting are required in the existing process of pasting a substrate of a paper-based friction plate. The technical solution is composed of a base (2), a worm shaft (3), a worm wheel (4), an upper seat (5), an indexing spindle (12), a coupling (18), and a servo motor (19); Positioning seat (7), positioning ring (8), guide rail block (13), positioning block (14), elastic body (15), moving block (16), cylinder fixing plate (17), return spring (20), triangle The cam (21) and the swing cylinder (22) constitute the fixture part; it consists of the reset cylinder (1), the bearing cover (6), the positioning seat (7), the mandrel (9), the bearing washer (10) and the angular contact ball bearing ( 11) Constitute a reset mechanism. Due to the integrated design of positioning, indexing and reset, the positioning, indexing and reset requirements of the paper-based friction plate are met.

Description

Indexing and reset device for paper-based friction plate patch

technical field

The invention relates to an indexing and resetting device, in particular to an indexing and resetting device for a paper-based friction plate patch.

Background technique

The paper-based friction plate is made of the paper-based friction material and the substrate after being glued and pasted, and then hot-pressed and solidified. According to the requirements of the production process, the paper-based friction material is usually punched into small pieces and then pasted on the substrate. The quality of the sheet will directly affect the performance of the friction sheet, which determines that the placement process in the continuous production process of the paper-based friction sheet can realize the indexing action according to the requirements, and after the placement is completed, the positioning fixture relative to the punching mechanism Carry out the reset of "letting the knife" to improve production efficiency and facilitate automatic production.

Referring to Fig. 3, document 1 "Chinese Patent No. ZL 200820212106.8" discloses a sheave indexing mechanism, which is composed of a motor 1, a worm 2, a double gear 3, an output gear 4, a sheave 5 and an output shaft 6. Composition, the motor 1 drives the worm 2 and the double gear 3 to drive, and the round pin on the output gear 4 meshes with the index wheel groove of the sheave 5 to convert the rotational power of the motor 1 into intermittent motion power for a certain period of time. Thereby achieving graduation. The indexing mechanism is characterized by a simple structure, and the application device can be directly installed on the output shaft of the sheave during application.

Referring to Figure 4, Document 2 "Chinese Patent No. ZL200910116670.9" discloses an automatic anti-backlash worm wheel indexing mechanism, which consists of a box body 1, a worm wheel 2, a worm screw 3, a servo motor 7, a coupling 6, and a piston 9. The cylinder block 8 and the cylinder head 8a are composed of the servo motor 7 through the coupling 6 to drive the intermeshing worm gear 2 and the worm 3 arranged in the box body 1, so as to realize the indexing. The anti-backlash mechanism composed of the piston 9 with the piston rod, the cylinder body 8 and the cylinder cover 8a eliminates the gap between the worm wheel 2 and the worm 3. This mechanism is characterized by high repeatability and can be indexed at any angle. Withstand large cutting force impact. From the above analysis, it can be seen that the above-mentioned mechanism cannot realize the requirement that the positioning jig move down relative to the punching mechanism after the patching process is completed in the continuous production process of the paper-based friction plate, so the above-mentioned mechanism is not suitable for the paper-based friction plate. continuous production of chips.

Contents of the invention

In order to solve the problem that the substrate needs to be positioned, indexed and reset at the same time in the pasting process in the continuous production process of the paper-based friction disc in the prior art, the present invention provides an indexing and resetting device for the pasting of the paper-based friction disc. The design, indexing action design and reset action design can realize the precise positioning, indexing and reset of the paper-based friction plate substrate, improve the production efficiency of the paper-based friction plate, and help ensure the paper-based friction plate stability and accuracy.

The technical solution adopted by the present invention to solve the technical problem is: a kind of indexing and reset device for paper-based friction plate patching, including the worm shaft 3, the worm wheel 4, the coupling 18 and the servo motor 19, which is characterized in that it also includes Reset cylinder 1, base 2, upper seat 5, bearing cover 6, positioning seat 7, positioning ring 8, mandrel 9, bearing washer 10, angular contact ball bearing 11, guide rail block 13, indexing spindle 12, positioning block 14, elastic Body 15, moving block 16, cylinder fixed plate 17, back-moving spring 20, triangular cam 21 and swing cylinder 22.

Base 2, worm shaft 3, worm wheel 4, upper seat 5, indexing main shaft 12, coupling 18, servo motor 19 form the indexing mechanism of this device. The base 2 has half of the worm shaft 3 mounting hole; the upper base 5 also has half of the worm shaft 3 mounting hole, and the base 2 and the upper base 5 together form the mounting hole of the worm shaft 3; the indexing spindle 12 It is a hollow structure, engraved with a spline hole inside and equipped with a mandrel 9, an external spline is engraved on the indexing spindle 12, and is connected with the worm wheel 4 through the external spline, and the external spline is centered on the inner diameter; The above-mentioned worm shaft 3 is meshed with the worm wheel 4, and one end of the worm shaft 3 is connected with the servo motor 19 through a coupling 18.

Positioning seat 7, positioning ring 8, guide rail block 13, positioning block 14, elastic body 15, moving block 16, cylinder fixed plate 17, back-moving spring 20, triangular cam 21 and swing cylinder 22 constitute the fixture part of this device. The positioning seat 7 is a hollow structure, and a swing cylinder 22 and a reset mechanism are housed inside. The lower end of the positioning seat 7 is engraved with external splines and is matched with the indexing spindle 12 engraved with spline holes. The spline hole of the degree spindle 12 moves up and down to realize the indexing and reset of the positioning fixture; the moving block 16 is evenly placed at 120°, and is connected with the positioning seat 7 through the guide rail block 13, and the moving block 16 is positioned on the guide rail block 13 It can slide freely, and the moving block 16 is provided with a return spring 20 and an elastic body 15; the positioning ring 8 is fixed on the top of the positioning seat 7, and the positioning ring 8 is an annular groove structure, and the grooves are evenly placed with 3 A positioning block 14; the bottom of the positioning block 14 is fixedly connected with the moving block 16 by screws, and the height of the positioning block 14 is higher than the height of the positioning ring 8; the swing cylinder 22 is connected to the positioning seat 7 through the cylinder fixing plate 17 Fixedly connected, the shaft of the swing cylinder 22 is equipped with a disc-shaped triangular cam 21; When the active part rotates, the three moving blocks 16 controlled by the elastic body 15 can drive the three positioning blocks 14 to move on the guide rail block 13 in the radial direction at the same time, and the return spring 20 realizes the clamping and loosening of the paper-based friction plate substrate. open.

Reset cylinder 1, bearing cap 6, positioning seat 7, mandrel 9, bearing washer 10 and angular contact ball bearing 11 constitute the reset mechanism of this device. The mandrel 9 is equipped with an angular contact ball bearing 11, a bearing washer 10 and a bearing cover 6, and the lower end of the mandrel 9 is fixedly connected with the reset cylinder 1 to reset the positioning fixture up and down; the inner ring of the angular contact ball bearing 11 Positioned by the shaft shoulder, the outer ring is positioned by the bearing cover 6, the bearing cover 6 is fixedly connected with the positioning seat 7 by screws, the outer ring of the angular contact ball bearing 11 rotates while the inner ring does not move, and the mandrel 9 does not rotate during indexing.

The beneficial effects of the present invention are: due to the integrated design of positioning, indexing and reset, precise positioning and reset can be performed while indexing. It meets the requirements of accurate positioning, indexing and reset of the substrate in the continuous production process of the paper-based friction disc. Due to the use of spline connection, the indexing accuracy is improved, and the existence of the reset cylinder and positioning fixture improves the accuracy of the paper-based friction plate. Friction plate production efficiency. The device simultaneously realizes the positioning, indexing and resetting of the substrate during the paper-based friction plate placement process, and has the characteristics of compact structure, convenience and reliability, and expands the application range.

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is a front view of the indexing and resetting device for pasting paper-based friction discs of the present invention.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a flow chart of the pasting process of the indexing and reset device for pasting paper-based friction discs of the present invention.

FIG. 4 is a schematic diagram of an indexing mechanism disclosed in Document 1. FIG.

FIG. 5 is a schematic diagram of an indexing mechanism disclosed in Document 2.

In the figure, 1-reset cylinder; 2-base; 3-worm shaft; 4-worm gear; 5-upper seat; 6-bearing cover; 7-locating seat; 8-locating ring; 11-angular contact ball bearing; 12-indexing spindle; 13-rail block; 14-positioning block; 15-elastic body; 16-moving block; 17-cylinder fixed plate; 18-coupling; 19-servo motor; 20-return spring; 21-triangular cam; 22-swing cylinder.

Detailed ways

Referring to Figures 1 to 3, the indexing and reset device for the paper-based friction plate patch of the present invention includes a reset cylinder 1, a base 2, a worm shaft 3, a worm wheel 4, an upper seat 5, a bearing cover 6, a positioning seat 7, a positioning ring 8, Mandrel 9, bearing washer 10, angular contact ball bearing 11, guide rail block 13, indexing spindle 12, positioning block 14, elastic body 15, moving block 16, cylinder fixing plate 17, coupling 18, servo motor 19, reset Spring 20, triangular cam 21 and swing cylinder 22.

Base 2, worm shaft 3, worm wheel 4, upper seat 5, indexing main shaft 12, coupling 18, servo motor 19 form the indexing mechanism of this device. The base 2 has half of the worm shaft 3 mounting hole; the upper base 5 also has half of the worm shaft 3 mounting hole, and the base 2 and the upper base 5 together form the mounting hole of the worm shaft 3; the indexing spindle 12 It is a hollow structure, with a spline hole engraved inside and a mandrel 9 installed. An external spline is engraved on the indexing spindle 12, and it is connected with the worm wheel 4 through the external spline. The external spline takes the inner diameter as the centering method. Improve positioning accuracy; the worm shaft 3 is meshed with the worm gear 4, the number of worm heads is selected according to actual requirements, and the transmission ratio of the worm gear is determined on this basis, and one end of the worm shaft 3 is connected to the servo motor 19 through a coupling 18 connected.

Positioning seat 7, positioning ring 8, guide rail block 13, positioning block 14, elastic body 15, moving block 16, cylinder fixed plate 17, back-moving spring 20, triangular cam 21 and swing cylinder 22 constitute the fixture part of this device. The positioning seat 7 is a hollow structure, and a swing cylinder 22 and a reset mechanism are housed inside. The lower end of the positioning seat 7 is engraved with external splines and is matched with the indexing spindle 12 engraved with spline holes. The spline hole of the degree spindle 12 moves up and down, so as to realize the indexing and reset of the positioning fixture; the moving block 16 is placed evenly at 120°, and is connected with the positioning seat 7 through the guide rail block 13, and the moving block 16 is positioned on the guide rail block Can slide freely on 13, be provided with back-moving spring 20 and elastic body 15 on moving block 16; Described locating ring 8 is fixedly connected on the top of locating seat 7, is annular groove structure in locating ring 8, is placed evenly on the groove 3 positioning blocks 14; the bottom of the positioning block 14 is fixedly connected with the moving block 16 by screws, and the height of the positioning block 14 is slightly higher than the height of the positioning ring 8 to play the role of positioning the paper-based friction plate substrate; The swing cylinder 22 is fixedly connected with the positioning seat 7 through the cylinder fixing plate 17, and the shaft of the swing cylinder 22 is equipped with a disc-shaped triangular cam 21; the working surface of the disc-shaped triangular cam 21 is composed of three identical compound curves , under the action of the swing cylinder 22, when the disc-shaped triangular cam 21 rotates as the active part, the three moving blocks 16 can be controlled by the elastic body 15 to drive the three positioning blocks 14 to move on the guide rail block 13 in the radial direction at the same time. The presence of the return spring 20 realizes the clamping and loosening of the paper-based friction plate substrate.

Reset cylinder 1, bearing cap 6, positioning seat 7, mandrel 9, bearing washer 10 and angular contact ball bearing 11 constitute the reset mechanism of this device. The mandrel 9 is equipped with an angular contact ball bearing 11, a bearing washer 10 and a bearing cap 6, and the lower end of the mandrel 9 is fixedly connected with the resetting cylinder 1 to play the role of resetting the positioning fixture up and down; The inner ring of the contact ball bearing 11 is positioned by the shaft shoulder, the outer ring is positioned by the bearing cover 6, the bearing cover 6 is fixedly connected with the positioning seat 7 by screws, the outer ring of the angular contact ball bearing 11 rotates while the inner ring does not move, so as to ensure the indexing time The mandrel 9 does not rotate.

When working, the manipulator first grabs the paper-based friction plate and places it on the positioning fixture. Under the action of the swing cylinder 22, when the triangular cam 21 is used as the active part to rotate, the three moving blocks 16 are controlled by the elastic body 15 to drive the three positioning parts. Blocks 14 are simultaneously moved radially outward, thereby clamping the paper-based friction lining substrate. Then, under the action of the reset cylinder 1, the mandrel 9 drives the positioning fixture to move up to the required position, and then, the servo motor 19 drives the above-mentioned worm gear indexing mechanism to rotate through the coupling 18, and the spline and the indexing mechanism will be rotated. The positioning fixture connected with the indexing spindle 12 rotates to the required indexing position, thereby realizing the indexing and patching of the paper-based friction sheet substrate. Since the outer ring of the angular contact ball bearing 11 in the positioning seat 7 rotates and the inner ring does not move, the mandrel 9 does not rotate during indexing. After the patching process is completed, under the action of the reset cylinder 1, the positioning fixture is driven down by the mandrel 9, and firstly "give up the knife" relative to the punching mechanism, and then, under the joint action of the reset spring 20 and the swing cylinder 22, when When the triangular cam 21 is used as the active part to rotate, the three moving blocks 16 are controlled by the elastic body 15 to drive the three positioning blocks 14 to move radially inward at the same time, and the paper-based friction plate substrate is released, so that the manipulator can complete the patch. The last paper-based friction plate is removed and put into the next paper-based friction plate substrate. After the positioning fixture clamps the paper-based friction plate substrate, it is reset under the action of the reset cylinder 1, and then enters the next working cycle. .

The device can also be used in the gluing process in the continuous production of paper-based friction discs.

Claims (1)

1. a paper-base friction wafer paster is with calibration and resetting means; Comprise worm shaft (3), worm gear (4), shaft coupling (18) and servomotor (19), it is characterized in that: also comprise reset cylinder (1), base (2), the seat of honour (5), bearing cap (6), positioning seat (7), centring ring (8), mandrel (9), bearing washer (10), angular contact ball bearing (11), calibration main shaft (12), way block (13), locating piece (14), elastomer (15), movable block (16), air cylinder fixed plate 17, back-moving spring (20), triangular cam (21) and oscillating cylinder (22);

Base (2), worm shaft (3), worm gear (4), the seat of honour (5), calibration main shaft (12), shaft coupling (18), servomotor (19) have been formed the indexing mechanism of this device; Described base (2) has half worm shaft (3) installing hole; The described seat of honour (5) also has half worm shaft (3) installing hole, and base (2) and the seat of honour (5) form the installing hole of worm shaft (3) together; Described calibration main shaft (12) is a hollow-core construction, in be carved with splined hole and mandrel (9) be housed, the calibration main shaft is carved with external splines on (12), and is connected with worm gear (4) through external splines, external splines is the centering mode with the internal diameter; Described worm shaft (3) is meshed with worm gear (4), and an end of worm shaft (3) links to each other with servomotor (19) through shaft coupling (18);

Positioning seat (7), centring ring (8), way block (13), locating piece (14), elastomer (15), movable block (16), air cylinder fixed plate (17), back-moving spring (20), triangular cam (21) and oscillating cylinder (22) have constituted the holder part of this device; Described positioning seat (7) is a hollow structure; In oscillating cylinder (22) and resetting-mechanism are housed; The lower end of positioning seat (7) is carved with external splines and is matched with the calibration main shaft (12) that is carved with splined hole; Positioning seat (7) can move up and down along the splined hole of calibration main shaft (12), the calibration of realizing positioning fixture with reset; Described movable block (16) is 120 ° and is uniformly distributed with placement, is connected with positioning seat (7) through way block (13), and movable block (16) can be free to slide on way block (13), and movable block (16) is provided with back-moving spring (20) and elastomer (15); Described centring ring (8) is fixed on positioning seat (7) top, is the endless groove structure in the centring ring (8), is uniformly distributed with on the groove and is placed with three locating pieces (14); The below of described locating piece (14) is connected through screw and movable block (16), and the height of locating piece (14) is higher than the height of centring ring (8); Described oscillating cylinder (22) is connected through air cylinder fixed plate (17) and positioning seat (7), on the axle of oscillating cylinder (22) plate-like triangular cam (21) is housed; The working face of described plate-like triangular cam (21) is made up of three sections identical composite curves; Under the effect of oscillating cylinder (22); When plate-like triangular cam (21) is done the driving link rotation; Drive three locating pieces (14) through elastomer (15) three movable blocks of control (16) and radially upward move at way block (13) simultaneously, back-moving spring (20) is realized the clamping of paper-base friction wafer substrate and is unclamped;

Reset cylinder (1), bearing cap (6), positioning seat (7), mandrel (9), bearing washer (10) and angular contact ball bearing (11) have constituted the resetting-mechanism of this device; Angular contact ball bearing (11), bearing washer (10) and bearing cap (6) are housed on the described mandrel (9), and the lower end of mandrel (9) and reset cylinder (1) are connected, and positioning fixture is resetted up and down; Described angular contact ball bearing (11) inner ring is located with the shaft shoulder, and the outer ring is with bearing cap (6) location, and bearing cap (6) is connected through screw and positioning seat (7), and angular contact ball bearing (11) outer ring is turned round and inner ring is motionless, and mandrel during calibration (9) does not rotate.

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