KR20190053459A - Spinlde units feeding and fixing apparatus - Google Patents

Abstract

The present invention relates to an automatic spindle supply and fastening apparatus for spindle units, comprising: a spindle supply unit (100); a transfer load unit (150) which transfers spindles supplied by the spindle supply unit (100) to the next process; and a spindle fastening unit (200) which automatically fastens the spindles transferred by the transfer load unit (150) with nuts. The spindle supply unit (100) includes a transfer unit (110) which picks up the spindles (101) by a finger unit (111) and settles the spindles (101) on a jig (141) of a rotary plate (140). The fastening unit (200) includes: a temporary fastening unit which temporarily fastens the nuts with the spindles (101) settled on the jig (141) of the rotary plate (140) by the transfer unit; and a complete fastening unit which completely fastens the nuts temporarily fastened with the spindles with a preset torque. The present invention is able to assemble the spindles by automatically supplying the spindles from the cassettes by the finger apparatus and engaging the nuts with the spindles by a certain fastening force, to keep a certain quality of an emergency brake apparatus subsequently assembled, to improve an assembly productivity of the spindle units, to put oil on a head of the supplied spindles to be smoothly settled on and separated from the jig and to be placed without being engaged with the jig, to first temporarily fasten the spindles with the nuts and then normally fasten the spindles with the nuts by a certain fastening force, to make a smooth engagement by a screw between the spindles and the nuts, and to prevent a jam occurring when a screw is dislocatedly engaged.

Description

TECHNICAL FIELD [0001] The present invention relates to a spindle unit for automatically supplying and fastening a spindle unit,

The present invention relates to an automatic spindle feeder for a spindle unit which is adapted to automatically feed a spindle for assembling a spindle unit used in a vehicle emergency braking apparatus, and to assemble the spindle unit by tightening the spindle with a predetermined fastening position and clamping force.

An emergency braking / braking system for a vehicle includes a spindle unit for advancing and retracting a piston for urging a pair of pad plates arranged to press both side surfaces of a disk against a disk rotating with the wheel to perform braking.

Such a spindle unit is constituted by assembling a spindle including a shaft portion formed with a screw on the outer peripheral surface and a head formed in the form of a disk on the shaft portion on a spindle formed on the inner diameter side of the screw.

In many cases, the fastening process of the spindle unit depends on the manual operation of the operator using an electric screwdriver. In recent years, however, the spindle unit is usually carried out by automated production equipment in accordance with the development of automation technology.

In order to improve the productivity by such an automated facility, an assembling process of screwing a bolt such as a spindle into a spindle is continuously carried out by supplying an automatic spindle for fastening a spindle, The bolts are fastened to the bolt fasteners, and then the bolts are fastened by the bolt fasteners.

As an example of such an automatic fastening and assembling device for a bolt and a spindle, Korean Patent Registration No. 10-1380918 (registered on March 27, A supply bolt accommodating cassette tube which is supported by the base frame in a floating state and which is formed in an open pipe structure in which a plurality of unit bolts are stacked in a row and accommodated freely fallable, The open window is formed in the setting section of the unit bolt in the unit room of the unit arranged in the lowermost row; A guide finger provided on the base frame to be driven to interfere with the bolts of the upper room unit accommodated in the cassette tube through the open window; A gripper provided on the base frame for gripping the lowermost unit bolt, which is aligned to be exposed at an end of the cassette tube, in a detachable state; And an actuator provided on the base frame to drive the guide finger and the gripper in conjunction with each other.

In the above-mentioned prior art, the unit bolts gripped by the gripper fall freely, and the supply is completed so as to be seated on the bolt fastening holes, that is, the spindle portions of the assemblies located immediately below the bolt. In the case of screwing the bolt and the spindle with a constant fastening force It is not considered at all.

As another example, the Korean Registered Utility Model Publication No. 1995-0010570 (published on December 21, 1995) discloses a structure in which a rotating shaft of a base is rotatably supported in two stages, a guide rail is provided at an upper portion thereof, And the lifting spindle is moved upwardly from the spindle feed position (A) to the bolt feed position (B) by the slope rails so that the lifting spindle So that the spindle can be automatically assembled to the bolt while rotating the bolt spindle automatic assembling machine.

However, in the spindle unit supplied to the emergency braking / braking system of the vehicle, when the nuts supplied to the supplied spindle are screwed to each other with a certain clamping force, the vehicle assembled using the spindle unit and the spindle unit The braking action of the emergency braking and braking device of the emergency braking / braking device of the present invention is not constantly exhibited. Therefore, there arises a problem in the quality control of the emergency braking and braking device, There has been a problem that precision adjustment is required and the productivity of the brake device is lowered.

Korean Registered Patent No. 10-1380918 (registered on March 27, 2014) Korean Registered Utility Model Publication No. 1995-0010570 (Published on December 21, 1995)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a spindle unit for automatically assembling a spindle unit so as to solve the above problems and to provide a spindle unit with a uniform clamping force, And an automatic spindle supply and fastening device for the spindle unit.

In order to achieve the above object, the automatic spindle supplying and clamping apparatus for a spindle unit according to the present invention includes a spindle supplying unit for automatically supplying a spindle, and a transferring unit for transferring the spindle supplied by the spindle supplying unit to a next process, And a spindle fastener for automatically locking the spindle transferred by the transferring rod portion to the nuts,

Wherein the spindle supply unit includes a transfer unit that picks up the spindle with the finger unit and places the spindle on the jig of the rotary plate,

The fastener includes an immobilization unit for coupling a nut to a spindle mounted on a jig of the rotary plate by the transfer unit and a stationary unit for stitching a nut fastened to the spindle with a predetermined torque.

The transfer unit may include a finger for picking up a spindle disposed in a cassette of the spindle supply unit, a first guide unit for moving the finger unit in the lateral direction, and a second guide unit for moving the first guide unit in the longitudinal direction Lt; / RTI >

The finger portion may include a plurality of finger tips for picking up the spindles, a finger assembly including a finger actuating portion for actuating the finger tips in a state of being flanked and adjacent to each other, And an air cylinder for connecting the output shaft to the fixed plate fixed on the upper surface of the rotary drive unit 116 to move the rotary drive unit up and down.

And an oil applying unit having an oil cup for applying oil to the spindle head by inserting the spindle head before the spindle picked up from the cassette by the fingering is placed on a jig provided on the turntable.

The conveying rod unit may include a conveying guide installed to extend from a position above the outer circumferential surface of the rotary plate of the spindle supply unit to a position above the outer circumferential surface of the rotary plate of the fastener, a slider slidably mounted on the conveyance guide, And a finger unit for picking up the spindle from the jig disposed on the rotary plate of the rotary unit and placing the spindle on jigs provided on the rotary plate of the adjacent fastener.

And a slider to which a bracket for supporting the motor is connected can be slidably connected to the output shaft via a coupling, so that the engaging portion is rotated by the engaging portion. And a ball screw for driving the slider through a speed reducer mounted on an output shaft of a constantly rotatable servomotor mounted on an upper portion of the support portion.

The stagnant stator includes a servo motor, a servo speed reducer, a slider slidable in a guide mounted on the frame so as to be vertically movable with a ball screw connected to an output shaft of the servo speed reducer, a servo motor supported by a bracket provided on the slider, A torque sensor mounted on a lower end of a rotary shaft connected to an output side of the torque sensor for detecting a magnitude of a torque transmitted through an output shaft of the servo-speed reducer and intermittently transmitting an output; And a fastener for rotating the nut.

The automatic spindle supplying and clamping apparatus for a spindle unit according to the present invention is characterized in that a spindle is automatically supplied from a cassette by a finger device and screwed into a spindle with a certain clamping force to assemble a spindle, Can be maintained constant, and the productivity of assembling the spindle unit can be improved.

In addition, since the head of the spindle to be supplied is smoothly seated and separated from the jig in which the head is seated, the head is oil-immersed so as not to engage with the jig, and the spindle is tightened with a nut first, , The screw connection of the spindle and the nut is smoothly performed, and the jam phenomenon caused by the screw displacement is prevented.

1 is a schematic plan view of an automatic spindle supply and fastening apparatus for a spindle unit of the present invention;
Fig. 2 is a schematic perspective view of a finger portion mounted on a supply guide of the automatic spindle feeder of Fig. 1; Fig.
FIG. 3 is a view showing an oil application process for a spindle shaft portion, in which oil is buried in a shaft portion of a spindle supplied by the fingering shown in FIG. 2, so that screwing with a spindle is smoothly performed.
Fig. 4 shows a spindle concentricity inspection unit for checking the concentricity of the spindle before the screw connection with the spindle to the spindle supplied by the fingering shown in Fig. 2 to prevent the failure of the assembled spindle unit in advance.
FIG. 5 is a front view and a side view of a dental prosthesis for performing fastening to prevent jamming when a spindle is placed on a jig on a rotary table through a concentricity examination in FIG. 4 and then screwed into a supplied spindle.
FIG. 6 is a front view and a partial side view of the stagnant body in which the spindle is attached to the spindle in FIG. 5 and the nut is stuck to the spindle at a constant torque.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, which illustrate embodiments of an automatic spindle supplying and fastening apparatus for a spindle unit according to the present invention.

1 to 4, an automatic spindle supplying and clamping apparatus for a spindle unit according to the present invention includes a spindle supplying unit 100 for automatically supplying a spindle, a spindle for supplying a spindle supplied by the spindle supplying unit 100 to a next process And a spindle coupling part 200 for automatically coupling the spindle conveyed by the conveying rod part 150 to the nuts.

The spindle supply unit 100 includes a plurality of cassettes 104 having a plurality of spindles 101 arranged at predetermined intervals and a tray 105 for supporting the cassettes 104. The tray 105 Is configured to be screwed with a motor driven screw so as to raise and lower the cassette 104 to a height at which the spindles 101 are picked up by the finger provided to the transfer unit 110. The spindles 101 are vertically arranged in the cassette 104, that is, the spindle shaft portion 103 is vertically arranged.

The transfer unit 110 includes a fingering unit 111 for picking up a spindle 101 disposed in the cassette 104 of the spindle supplying unit 100 and a transferring unit 110 for transferring the fingering unit 111 in a lateral direction 1 guide unit 120, and a second guide unit 126 for moving the first guide unit 120 in the longitudinal direction. The first and second guide portions may be configured as an LM guide.

The finger fingers 111 are arranged on the shaft 103 of the spindle 101 so that a plurality of finger tips 112 for picking up the spindle 101 and a plurality of finger tips 112, A finger assembly 114 including a finger actuating portion 113 comprised of, for example, an air chuck that is actuated by air pressure in an adjacent state, a bracket (not shown) for supporting the finger assembly 114 to rotate the finger assembly 114 An air cylinder 118 having an output shaft connected to a fixing plate 117 fixed on the upper surface of the rotary drive unit 116 so as to move up and down the rotary drive unit 116, 117, and the upper end includes two guide rods 119 connected to each other by a connector.

Although the two finger assemblies 114 are provided in pairs in the illustrated embodiment, the fingers 111 may be provided with one or more finger assemblies.

The fingers 111 are fixed to the first guide part 120 by a moving bracket 122 and the moving rods 122 penetrate the guide rods 119 and support the air cylinder 118. The moving bracket 122 is configured as a moving body installed to move in the longitudinal direction of the first guide part 125 constituted by the LM guide.

The first guide part 120 moves in the second guide part 126 in a state that the spindle is picked up from the cassette by the finger 111 and then the oil is applied to the spindle head in the oil application part 130.

The oil cap 130 applies oil to the spindle head so that the spindle head inserted into the groove of the jig can be smoothly inserted and discharged without being engaged before the spindles 101 are placed on the jig provided on the turntable . In the illustrated embodiment, two oil cups 131 are arranged adjacent to each other in the advancing direction to apply oil to the head of the spindle picked up and transported by the two finger assemblies 114 provided in the fingers 111, And is provided to the support member 125 side by side.

After the fingers 112 of the fingers 111 have picked up the spindle 101, the first guide part 120 moves in the longitudinal direction of the second guide part 125, The finger mount 111 is disposed at the same widthwise position as the oil cap 130 and then the moving bracket 122 as a moving body moves in the width direction in the first guide portion 125 to be engaged with the finger assembly 114 The spindles 101 picked up by the spindle 101 are stopped at a position just above the cup member 31 of the oil cap 130. [

The cylinder 127 of the oil cap 130 is then operated to cause the piston rods 128 to rise and into the oil cup 131 of the support member 125 to rotate the spindle picked up by the finger assembly 114 101). After the spindle 101 is inserted into the oil cup 131 and oil is applied to the spindle head, the piston rod 128 is immediately lowered to separate the spindle 101 from the oil cup, 1 guide unit 111 moves from the second guide unit 125 to a position adjacent to the rotary plate 140. [ At this time, the rotation driving portion 116 of the finger 111 operates to rotate the bracket 115 at a position corresponding to the two oil cups 131 in a straight line in the oil cap 130, Is disposed directly above the two jigs 141 disposed on the rotary plate 140.

Then, as the piston rod is lowered by the operation of the air cylinder 118 of the finger 111, the finger assemblies 114 together with the rotation driving portion 116 are moved to a position directly above the jigs 141 disposed on the rotary plate 140 The finger tips 112 are opened by the finger actuating part 113 constituted by the air chuck of the finger assembly 114 after the spindle 101 is inserted into the jig 141 and the shaft part 103 of the spindle 101 So that the spindle is seated in the jig 141. As shown in Fig.

The same number of jigs 141 as the finger assemblies 114 of the fingers 111 are arranged in pairs on the outer edge of the rotary plate 140. These pairs of jigs are spaced apart from each other at the outer circumferential surface of the rotary plate And the rotary plate 140 are sequentially rotated by the interval of the pairs of the jigs 141 according to a preset control program.

Two jigs 141 mounted in pairs on the rotary plate 140 are each formed with a through hole in the lateral direction and two sensors 145 and 146 arranged toward the jig pairs at positions adjacent to the rotary plate 141, Respectively. One of the sensors 145 is constituted by a light emitting element and the other sensor 146 is constituted by a light receiving element so that the light from the sensor 145 passes through the jigs 141 arranged in pairs If it is determined that the spindle is not seated in the jig when it is sensed by the sensor 146 on the opposite side passing through the hole and if the light emitted from the sensor 145 can not be detected by the sensor 146 of the light receiving element It is determined that the spindle is settled in the jig, and a signal is generated. In response to the signal, the rotary plate 140 is rotated by the predetermined angle, the rotation angle of the interval in which the jig pairs are arranged, . ≪ / RTI >

As described above, when the pairs of jigs 141 on which the spindles are mounted on the rotary plate 140 reach the discharge side for fastening with the nuts in the subsequent process, they are transferred to the fastening part 200 by the transfer rod part 150.

The conveying rod unit 150 includes a conveying guide 151 extending from a position above the outer circumferential surface of the rotary plate 140 of the spindle supply unit 100 to a position above the outer circumferential surface of the rotary plate 240 of the coupling unit 200, The spindle 141 is installed at a predetermined distance from the slider 152 slidably mounted on the transport guide 151 and picks up the spindle from the jig 141 of the rotary plate 140 of the spindle feeder 100, And two fingers 161 and 161 'for seating on the jig 241 installed on the base 240.

The fingers 161 and 161 'are the same as the fingers 111 of the spindle feeder 100. That is, the fingering unit 161 includes a plurality of finger tips 162 for picking up the spindle 101 in engagement with the shaft portion 103 of the spindle 101, and a plurality of finger tips 162, A finger assembly 164 including a finger actuating part 163 composed of, for example, an air chuck operated by air pressure in the state of being adjacent to each other, and a bracket 165 supporting the finger assembly 164, An air cylinder 168 mounted on the upper surface of the support member 167 to move up and down the finger assembly 164 and two guide rods 167 fixed to the lower end of the fixing bracket 167, 169). The fingers 161 'adjacent to each other are the same as those of the fingers 161. The brackets 165 are rotated by the rotation driving unit 166 to rotate the finger assemblies 164 167. The fingers 161 and 161 'move the spindles together with the two fingers 161 and 161' to a common bracket 168 to the next process.

A concentricity checking unit 170 is provided between the rotating plate 140 of the spindle supplying unit 100 and the rotating plate 240 of the coupling unit 200 to check the concentricity of the head and the flange of the spindle, '), The concentricity inspection of the spindle is carried out in the process of transferring the spindle, so that the strict quality of the spindle unit can be automatically maintained.

The concentricity inspection unit 170 includes a concentricity inspection table 171 having two sheets 172 on which a flange of a spindle conveyed by the fingering unit 161 is placed, And a camera 177 disposed on the same center line as the seat 172 on the underside of the concentricity inspection table 171 to scan the flange and the head of the spindle disposed on the seat 172. By the camera 177 The photographed image is analyzed by a control unit (not shown) and compared with a preset reference value for the spindle head and the concentricity deviation of the flange to determine whether or not to pass. The failed spindle is not supplied to the fastener, And the passed spindle is transferred to the subsequent fastening part 200 for fastening with the nut.

The sheet 172 of the concentricity inspection table 171 is formed of a plate member which is transparent and has a through hole at its center so that the head of the spindle 101 which is seated on the seat 172 is disposed downwardly through the through hole, The camera 177 disposed on the lower side of the plate takes a picture for image collection to determine the concentricity of the head and the flange while the spindle is seated on the seat.

Further, an annular illuminator 179 is arranged between the concentricity inspection table 171 and the camera 177 for sharp imaging.

Two sensors 181 and 182 including a light emitting element and a light receiving element are disposed on both sides of the concentricity inspection table 171 so that spindles are formed on the sheet 712 of the concentricity inspection table 171 by the signals of the sensors. It is judged whether or not it is positioned so that the subsequent process proceeds sequentially.

When the jig 141 of the rotary plate 140 of the spindle supply unit 100 is disposed adjacent to the feed rod unit 150, The finger assembly 164 of the rejection 161 is lowered to engage the shaft portion of the spindle with the finger tip 162 and then elevated again and then the slider 122 moves from the conveyance guide 151 to the left in the drawing, The finger assembly 154 is placed on the sheet 172 of the concentricity inspection table 171 of the concentricity inspection unit 170.

In this state, the finger assembly 154 is lowered to release the shaft portion of the spindle to which the fingertip 162 has been engaged to seat the spindle on the seat 172, and then the slider 152 is slid to the right in the drawing The finger assembly 164 'of the finger reflexes 161' is positioned directly above the seat 172 of the concentricity inspection table 171 when the finger reflexes 161 move over the jig on the rotary plate of the supply part 100. [ The finger assembly 164 of the fingering member 161 is then lowered to pick up the spindle seated on the jig disposed on the rotary plate of the supply unit 100 and the finger assembly 161 ' 164 'are also mounted on the seat 172 of the concentricity inspection table 171 to pick up the spindles after the concentricity inspection.

The finger reflexes 161 'then move the slider 152 to the left side of the rotating plate 160 of the fastening portion 200 while the slider 152 moves to the left in the figure and the finger assembly 164 of the finger reflex 161 seats the spindle to be inspected on the concentricity inspection table. Is placed on the jig (241) disposed on the spool (240) and then lowered to seat the spindle.

In FIGS. 1, 5 and 6, the coupling unit 200 includes a spindle mounted on jigs 241 disposed at regular intervals on a rotary plate 240, and a nut (not shown) And a stagnant body 270 disposed adjacent to the stiff body 230 and fastening the nut fastened to the spindle with a preset clamping force.

A fixing plate 244 is disposed at a central portion of the rotary plate 240 and a sensor 241 is disposed at a position adjacent to the outer peripheral surface of the fixing plate 244 to oppose the jig 241 disposed on the outer peripheral surface of the rotary plate 240, And sensors 246, which are light receiving elements, are disposed on the outer side of the rotating plate 240 at the same height as the sensors 245.

In the embodiment shown in the figure, two pieces of jig 241 are provided corresponding to jigs 241 arranged in pairs, but if the number of pairs of jigs provided is different, .

The body fastener 230 includes a coupling portion 251 disposed directly above the jig 241 disposed on the rotary plate 240 and a coupling portion 253 coupled to the output shaft through a coupling 253 to rotate the coupling portion 251 A slider 258 connected to a bracket 257 for supporting the motor, a support 260 provided with a guide 261 slidably mounted on the slider 258, And a ball screw 265 for driving the slider 258 through a speed reducer 222 mounted on the output shaft of the servo motor.

Accordingly, when the jig 241 is disposed between the sensors 245 and 246, no light is sensed between the sensors 245 and 246, so that the jig 241 of the rotary plate is pressed against the generated signals of the sensors in this case It is judged that it is arrived under the engagement portion 251 and controlled by a program set in advance so as to operate the body fatality.

When the jig 241 is disposed directly below the engaging portion 251 due to the rotation of the rotating plate 240, the slider 258 is moved by the servo motor 261 toward the guide 261, The engaging portion 251 rotates the nut on the spindle in the screw releasing direction by the motor 252 and then the nut is rotated in the screw engagement direction on the spindle and then tightened. This tightening is a problem in that jam is generated in the spindle 101 and the nut 2 when the nut 2 is fastened when the nut 2 is arranged on the spindle 101 at an oblique angle It is possible to improve the productivity and to prevent the occurrence of a failure due to an excessive screw fastening when jams occur in the stagnation spigot.

As described above, after the nut 2 is assembled to the spindle 101 in the punching body 230, the nut is fastened to the spindle at a predetermined torque by the stagnant body 270 disposed adjacent thereto.

The stagnant stator 270 includes a servomotor 275 mounted on a bracket provided at the upper end of the frame 271 and a servo speed reducer 276 connected to the output shaft of the servomotor 279. The output shaft of the servo speed reducer 276 is coupled to a coupling 279 A slider 281 which is screwed with the ball screw 280 and slides in a guide 274 mounted on the frame 271 so as to move up and down in the threading direction and the release direction, A servo motor 282 and a servo speed reducer 283 supported by brackets provided on the slider 281; a torque clutch 285 mounted on the output shaft of the servo speed reducer 283 for intermittently transmitting an output; The output shaft of the torque sensor 285 is connected to the output shaft of the torque sensor 287 via a coupling 286. The torque sensor 287 senses the magnitude of the torque transmitted through the torque clutch 285, 288 to the lower end of the rotary shaft 289 The complex includes a fastener (290) to rotate the threaded nut on the spindle.

The spindle 101 and the nut 2 which are fastened to the jig 141 of the rotary plate 140 positioned immediately below the fastening hole 290 of the stagnant body 270 are moved to a predetermined torque .

[0031] The process of fixing the stiffness by the stagnation failure is performed as follows. When the jig 141 of the rotary plate 140 is disposed directly below the fastener 290, the slider 281 engaged with the ball screw 280, which is rotated by the servo motor 275, So that the fastener 290 is engaged with the nut 2 mounted on the jig 141 of the rotary plate 140.

Then the servomotor 282 mounted on the slider 281 is operated to rotate the rotary shaft 289 through the torque clutch 285 and the torque sensor 287 so that the fastener 290 rotates the nut 2 When the torque sensed by the torque sensor 287 reaches a preset value, the servo motor 282 stops its operation, and then the servomotor 282 mounted on the frame The slider 281 slid upward from the guide 274 and coupled to the slider 281 to rotate the ball screw 280. The ball screw 280 rotates in the reverse direction, 282, the fastener 290 is also lifted from the nut and disengaged.

A nut is disposed on a spindle that is automatically supplied from the cassette and the nut is fixedly coupled to the spindle at a preset constant torque so that the nut is inserted into the spindle 101 disposed on the jig 141 provided on the rotary plate 140 2 is fastened and the whole assembling process of the spindle unit is automatically carried out, the quality of the spindle unit can be kept constant, the quality is improved, the quality of the emergency braking device on which the spindle unit is mounted can be kept constant, .

Further, when fastening the nut to the spindle mounted on the jig of the rotary plate, the jam is not generated in the screw fastening process when the fastening is first performed and the nut is not disposed in the correct position with respect to the spindle. It is possible to prevent a decrease in productivity due to a delay in the assembly process.

The present invention can be used to automate the supply and the fastening process with the nuts for assembling the spindle unit used in the emergency braking system of a vehicle.

100: spindle supply unit 101: spindle
110: transfer unit 111:
114: finger assembly 116: rotation drive
120: first guide part 126: second guide part
130: Oil application part 131: Oil cup
140: Rotating plate 141: Jig
145, 146: sensor 150:
151; The conveyance guide 152:
200: fastening part 230:
270: Stagnation

Claims (8)

A feed rod unit 150 for feeding the spindle supplied by the spindle feed unit 100 to the next process, a spindle feed unit 100 for feeding the spindle fed by the feed rod unit 150, And a spindle coupling part (200) for automatically coupling the nut
The spindle supply unit 100 includes a transfer unit 110 for picking up the spindle 101 with the finger 111 and placing the spindle 101 on the jig 141 of the rotary plate 140,
The coupling unit 200 includes a coupling unit coupling a nut to the spindle 101 that is seated on the jig 141 of the rotary plate 140 by the transfer unit 110 and a nut coupled to the spindle by a predetermined torque Wherein the spindle unit includes a stagnating stator fixedly connected to the spindle unit.
The method according to claim 1,
The transfer unit 110 includes a fingering unit 111 for picking up a spindle 101 disposed in the cassette 104 of the spindle supplying unit 100 and a controller 110 for moving the fingering unit 111 in a lateral direction And a second guide part (126) for moving the first guide part (120) in the longitudinal direction. The apparatus for automatically supplying and fastening a spindle for a spindle unit according to claim 1, wherein the first guide part (120) The method according to claim 1,
The finger fingers 111 are arranged on the shaft 103 of the spindle 101 so that a plurality of finger tips 112 for picking up the spindle 101 and a plurality of finger tips 112, A bracket 115 on which the finger assembly 114 is supported to rotate the finger assembly 114 is connected to a rotary drive part 116 connected to the output shaft, And an air cylinder (118) connected to an output shaft of the fixed plate (117) fixed to the upper surface of the rotation driving part (116) so as to move up and down the rotation driving part (116) Device.
The method of claim 3,
The first guide part 120 moves in the second guide part 126 in a state that the spindle is picked up from the cassette by the finger 111 and then the spindle 101 is mounted on the jig provided on the rotary plate, Further comprising an oil application part (130) for applying oil to the oil application part (130), wherein the oil application part (130) comprises an oil cup (131).

The method according to claim 1,
The conveying rod unit 150 includes a conveying guide 151 extending from a position above the outer circumferential surface of the rotary plate 140 of the spindle supply unit 100 to a position above the outer circumferential surface of the rotary plate 240 of the coupling unit 200, A slider 152 slidably mounted on the transport guide 151 and a spindle 141 mounted on the slider to pick up a spindle from the jig 141 of the rotary plate 140 of the spindle feeder 100, And the fingers (161, 161 ') adapted to be seated on the jig (241) installed in the spindle (240).
The method according to claim 1,
The body fastener 230 includes a coupling portion 251 disposed directly above the jig 241 disposed on the rotary plate 240 and a coupling portion 253 coupled to the output shaft through a coupling 253 to rotate the coupling portion 251 A slider 258 connected to a bracket 257 for supporting the motor, a support 260 provided with a guide 261 slidably mounted on the slider 258, And a ball screw 265 for driving the slider 258 through a constant speed rotatable servomotor 261 mounted on the support portion 260 and a speed reducer 222 mounted on the output shaft of the servomotor The automatic spindle supply and fastening device for the spindle unit. The method according to claim 1,
The stagnant body 270 includes a servomotor 275 and a servo gear reducer 278 mounted on a bracket provided at an upper end of the frame 271 and a ball screw 280 connected to the output shaft of the servo reducer 278, A slider 281 slidable in a guide 274 mounted on the frame 271 so as to be vertically movable with the servo motor 280 and a servo motor 282 supported by a bracket provided on the slider 281, A torque sensor 287 mounted on the output shaft of the servo-speed reducer 283 for intermittently transmitting the output, a torque sensor 287 for sensing the magnitude of the torque transmitted through the torque clutch 285, And a fastener (290) mounted on the lower end of the rotary shaft (289) through a coupling (288) connected to the output side of the torque sensor (287) for rotating a nut screwed on the spindle Automatic spindle supply and fastening .
The method according to claim 1,
Two jigs 141 mounted in pairs on the rotary plate 140 are each formed with a through hole in the lateral direction and two sensors 145 and 146 arranged toward the jig pairs at positions adjacent to the rotary plate 141, And the rotation plate (140) is rotated by a predetermined rotation angle by a motor in response to a signal of the spindle unit.

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