KR101322487B1 - Ball caster transport equipment - Google Patents

Abstract

PURPOSE: A transfer device including a ball caster is provided to remove the difference in height, simplify the composition of a frame, and smoothly transfer a vehicle body. CONSTITUTION: A transfer device including a ball caster includes a base frame, a transfer unit, and a fixing unit. The base frame includes a plurality of support units (11), a frame (12), a transfer roller (13) to which an auxiliary roller (14) is fixed, a rail (15), a cable bear (16), and a transfer rack (17). The transfer unit is transferred by the transfer roller and a servo motor and includes a moving cart (21) and a power supply device (22). The power supply device includes a power supply plate, a supply bracket, a feeder, an air cylinder, and a cover. The fixing unit includes a plurality of the ball casters. The ball caster includes a bracket, a bearing, and a cover.

Description

Ball caster transport equipment with ball caster

The present invention relates to a transfer apparatus provided with a ball caster, and more particularly, to a transfer apparatus provided with a ball caster for smoothly moving the ball to the right angle during the transfer using the ball caster.

In general, the vehicle body transfer device is a shuttle system that is driven by a motor and then transferred to the vehicle body in order to work on the vehicle body.

Conventional vehicle body conveying method is a vehicle body conveying apparatus of the Republic of Korea Patent Publication No. 10-2010-0121305 (2010.11.17) is arranged a plurality of spaced apart on the base plate at a predetermined interval, the vertical conveying shaft is arranged to be moved up and down; A guide frame which is arranged to connect the plurality of vertical transfer shafts and moves together with the plurality of vertical transfer shafts; Stopper mechanisms disposed at both ends of the guide frame to limit movement of the transformer frame; A trans frame disposed to be movable on the guide frame and having a vehicle body; A mounting plate connected to at least one of the plurality of vertical transfer shafts and vertically moved together with the plurality of vertical transfer shafts; A horizontal transfer unit connected to the trance frame to advance and retreat the trance frame; And a synchronizing unit connected to the plurality of vertical transfer shafts to simultaneously move the plurality of vertical transfer shafts up and down at the same time.

However, there is a problem in that the structure of the frame is complicated due to the height difference between the linear motion directions, the structure is difficult, and the installation space is also consumed more than necessary, which makes it difficult to efficiently transport the vehicle body.

Republic of Korea Patent Publication No. 10-2010-0121305 (2010.11.17)

In order to solve the above problems, the present invention aims to provide a smooth transfer device of a vehicle body by eliminating the step height and at the same time the structure of the frame is simple, and provided with a ball caster.

In order to achieve the object, there is provided a plurality of support parts in the lower portion and the frame is fixed to the upper side, the transfer roller fixed to the frame and bolting method on both sides of the upper end of the frame and the auxiliary roller is fixed to the housing and the upper end The rail is fixed to the rail moving the servo motor in the center of the frame, the cable bear is provided on the side, the rack bracket on the other side, the rack gear is fixed on the top, the square with the transfer rack combined with the servomotor A base frame having a shape; The trolley is transported by the conveying roller and the servo motor unit, and a trolley having a quadrangular shape is provided, and a stopper is fixed to each side thereof, and an electric power is supplied to an auxiliary device for seating and fixing the vehicle body on a plate at an upper end of the trolley side. A power supply plate is provided and a supply bracket is provided at the top, a power supply device is provided at the supply bracket, an air cylinder is positioned at the side, and a power supply is formed at the top and a plurality of holes are provided at the bottom of the plate. Four transfer working units; A first process unit, a second process unit, a third process unit, and a fourth process unit are formed on the side of the base frame, and brackets are provided on the surfaces of the first, second, third, and fourth process units, and bearings and It characterized in that consisting of; a fixed portion provided with a plurality of ball casters made of a cover.

In another aspect of the present invention, the servo motor unit has a pinion gear that is used for power transmission and the servo motor is fixed to the board, and is transported along the transport rack and inserted into the hole of the plate on the side. Is provided is characterized in that the transfer pin is vertically moved by the servo motor.

In another feature of the present invention, the ball caster is provided with a bracket at the bottom, a semicircular housing is provided at the top, and a plurality of bearings are inserted at the bottom and the top inside the housing, and a rotor is inserted into the center. It is characterized by.

As described above, the present invention eliminates the step height, the structure of the frame is simple, the subsea structure is simple, the space utilization is high, and there is no difficulty in changing the direction during the transfer of the vehicle body provided with a ball caster for each process unit It is possible to work with different types of vehicles, and increase the overall connection and productivity of the production line.

1 is a side view schematically showing the operation flow of the vehicle body transfer device according to the prior art.
Figure 2 is a perspective view of the transfer device with a ball caster according to the present invention.
Figure 3 is a plan view of the transfer device provided with a ball caster according to the present invention.
Figure 4 is a schematic plan view of the transfer device with a ball caster according to the present invention.
Figure 5 is a plan view, a perspective view of a plate of the transfer device with a ball caster according to the present invention.
Figure 6 is a perspective view of the power supply of the transfer device with a ball caster according to the present invention.
Figure 7 is a simplified perspective view of the transfer rack of the transfer device with a ball caster according to the present invention.
Figure 8 is a plan view, perspective view of the transfer pin of the transfer device with a ball caster according to the present invention.
Figure 9 is a detailed view pin positioning position of the transfer device provided with a ball caster according to the present invention.
Figure 10 is a perspective view of the cam slide of the transfer device with a ball caster according to the present invention.
11 is a cross-sectional view of the ball caster of the transfer device with a ball caster according to the present invention.

Figure 1 is a side view schematically showing the operation flow of the vehicle body transfer apparatus according to the prior art, Figure 2 is a perspective view of the transfer device with a ball caster according to the present invention, Figure 3 is provided with a ball caster according to the present invention 4 is a plan view of a transfer apparatus with a ball caster according to the present invention, FIG. 5 is a detailed view of a plate of a transfer apparatus with a ball caster according to the present invention, and FIG. Figure 7 is a perspective view of a power supply of the transfer device with a ball caster according to the invention, Figure 7 is a simplified perspective view of the transfer rack of the transfer device with a ball caster according to the present invention, Figure 8 is a ball caster according to the present invention Figure 9 is a simplified perspective view of a cable bear of the transfer device provided, Figure 9 is a detailed view of the pin for fixing the position of the transfer device provided with a ball caster according to the invention, Figure 10 is provided with a ball caster according to the present invention Cam slide perspective view of the feeder.

Hereinafter, components according to the present invention will be described with reference to the drawings.

As shown in FIG. 2 to FIG. 4, the base frame 10, the transfer working part 20, and the fixing part 30 are formed.

A plurality of support parts 11 are provided at the lower part, and the frame 12 is fixed to the upper part, and the frame 12 and the bolt 12 are fixed to both sides of the upper end of the frame 12, and the auxiliary roller is disposed at the housing 13a and the upper part. A transport roller 13 having a fixed portion 14 is provided, and a rail 15 on which the servomotor portion 18 moves is fixed to the center of the frame 12, and a cable bare 16 is provided on the side and on the other side. The rack bracket 17a is provided, the rack gear 17b is fixed at the top, and the base frame 10 and the transfer roller 13 having a rectangular shape are provided with the transfer rack 17 to which the servomotor 18 is coupled. ) And a trolley 21 which is transported by the servo motor unit 18 and has a quadrangular shape, and a stopper 21a is fixed to each side thereof, and a vehicle body is provided on the upper side of the trolley 21 side of the trolley 21. The power supply plate 22a is provided to supply power to the auxiliary device for seating and fixing the A power supply device 22 having a supply bracket 22b, a power supply device 22c provided on the supply bracket 22b, an air cylinder 22d on the side, and a cover 22e formed on the upper side; Four transfer work units 20 provided with a plurality of holes 23 at the bottom of the trolley 21 and the first process unit 31 and the second process unit 31a on the side of the base frame 10. And a third process portion 31b and a fourth process portion 31c, and brackets 32a are provided on the surfaces of the first, second, third, and fourth process portions 31, 31a, 31b, and 31c. , A fixed portion 30 provided with a plurality of ball casters 32 formed of a bearing 32b and a cover 32c at the top.

In addition, the thermomotor unit 18 includes a servomotor 18a having a gear 18b attached to the board 18d and a transfer pin 18c inserted into the hole 23 of the bogie 21. The transfer pin 18c includes a transfer bracket 181c, a transfer compact cylinder 182c, and a transfer movement pin 183c vertically moving up and down.

In addition, the ball caster 32 is provided with a bracket 32a at a lower end, a semi-circular housing 32d at the upper end, and a plurality of bearings 32b at the lower end and the upper end in the housing 32d. Then, the rotating body 32e is inserted in the center.

In addition, the first process unit 31, the second process unit 31a, the third process unit 31b, and the fourth process unit 31c include a cylinder 32a and a bearing 32b, When the 21 enters the process unit, a plurality of position fixing pins 33 are fixed to the holes 23 at the bottom of the trolley 21 by a sensor.

In addition, the position fixing pin 33 is provided with a fixing bracket 33a and a fixing cylinder 33b therein, and a pin bracket 33c is fixed at the upper end thereof by the fixing cylinder 33b at the upper end thereof. Up / down vertical movement of the fixing pin (33d) is composed of a combination.

In addition, a rubber shock absorber 34 is provided in the first process unit 31, the second process unit 31a, the third process unit 31b, and the fourth process unit 31c.

In addition, the cam brackets are fixed to the side surfaces of the first process unit 31, the second process unit 31a, the third process unit 31b, and the fourth process unit 31c, and the subplate 19a and the upper end thereof. 19b) is provided with an angle 19c for fixing the subplate 19a to move to a designated position, a cam cylinder bracket 19d and a connector 19e in the center, and a compact cylinder 19f at the rear thereof. Cam slide 19 is provided and serves as a guide so that the cart 21 is fixed in the correct position when entering.

Hereinafter, an operation method according to the present invention will be described.

As shown in FIG. 2 to FIG. 10, the operator attaches a fixing device to seat the vehicle body on the trolley 21 at the first process unit 31 and then seats the vehicle body.

After that, the fixed vehicle body is transferred to the second process unit 31a, and robots waiting for the second process unit perform welding.

Specifically, in order for the vehicle body seated on the trolley 21 of the first process unit 31 to be transferred to the second process unit 31a, the trolley 21 of the second process unit 31a is opened in the third hole. It rotates by the pushing method which transfers to the front part 31b.

When the trolley 21 of the second process unit 31a is transferred to the third process unit 31b, the trolley 21 that is waiting for the first process unit 31 is the servo motor of the servo motor unit 18. Power is transmitted to 18a) and moves along the rail 15 and the transfer rack 17 to the second process unit 31a.

At this time, the transport pin (18c) is coupled to the hole 23 formed in the lower portion of the trolley (21) in the trolley 21 is transferred through the transfer roller 13 and the auxiliary roller (14). .

In addition, a ball caster 32 is provided in the first process unit 31, the second process unit 31a, the third process unit 31b, and the fourth process unit 31c, and the trolley 21 is provided with a first cart. When the servo motor 18a moves in the advancing direction when transferred from the process unit 31 to the second fixing unit 31a and then transferred to the third process unit 31b, the ball caster 32 moves to the bogie 21. Rotate and move in the direction of travel.

Then, when the cart 21 is transferred from the first process unit 31 to the second process unit 31a, the position fixing pin 33 provided in the second process unit 31a is provided through the sensor 21. The hole 23 is detected and inserted in the correct position to fix the position.

At the same time, when the position fixing pin 33 is inserted, the transfer pin 18c which fixed the cart 21 is dismantled.

In addition, the entire discharging pin 18c is not down while the entire discharging pin 18c is disengaged, but only the end of the discharging pin 18c is down by the servomotor 18a.

 In addition, the cable bare 16 serves to organize the wires when the carts 21 are transferred.

In addition, in order to transfer the trolley 21 in the first process unit 31 to the second process unit 31a, the trolley 21 of the second process unit 31a may be removed. The trolley | bogie 21 of the 3rd process part 31b is transferred to the 3rd process part 31b, and the trolley | bogie 21 of the 4th process part 31c is transferred to the 1st process part 31 by the 4th process part 31c. If the work is not finished in the third process section 31b and the fourth process section 31c, the trolley 21 of the second process section 31a is moved to the second process section 31a and the third process section. It transfers to the middle between 31b, and waits, and the trolley | bogie 21 of the 1st process part 31 is conveyed to the empty 2nd process part 31a by the said conveyance 21.

In addition, the conveyer 21 is conveyed by the servo motor unit 18 and conveyed along the conveying roller 13, and the cart 21 is stably conveyed through the auxiliary roller 14.

In addition, the power supply device 22 serves to supply power to the fixing device when the vehicle body is to be seated after fixing the fixing device according to the type of the vehicle body when the vehicle body is seated on the plate.

In addition, the trolley 21 is not rotated, the direction is changed by the ball caster 32 so that the robot works in each process unit.

In addition, when the trolley 21 is provided with a rotatable fixing device, the vehicle body can be rotated.

In addition, the first, second, third and fourth process units 31, 31a, 31b, and 31c are provided with a shock absorbing device 33 made of rubber material, and the trolley 21 enters to absorb the shock when the vehicle stops, thereby preventing damage. Prevent it.

In addition, the cam slide 19 provided on the side surface of each process part is a cam slide which was stopped by the position fixing pin 33 and the stopper 21a when the cart 21 entered the process part, and moved outward. 19 is in close contact with the trolley 21 and the compact cylinder 19f.

In addition, the cam slide 19 in close contact with the trolley 21 is released while the sub plate 19a is moved toward the angle 19c when the work is completed.

Then, the second, third and fourth process units 31a, 31b and 31c are transferred from the first process unit 31 to complete the work, and then transferred to the first process unit 31 again to remove the vehicle body. , Insert another body.

Although the present invention has been shown and described with respect to specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who can afford it will know.

10: base frame 11: support
12 frame 13: feed roller
13a: housing 14: auxiliary roller
15: rail 16: cable bare
17: transfer rack 18: servo motor unit
18a: Servo motor 18b: Pinion gear
18c: Transfer pin 18d: Board
19: Cam Slide 19a: Sub Plate
19b: Cam Bracket 19c: Angle
19d: Cam cylinder bracket 19e: Connector
19f: compact cylinder 20: transfer working part
21: Balance 21a: Stopper
22: power supply 22a: power supply plate
22b: power supply plate 22c: feeder
22d: air cylinder 22e: cover
23: hole 30: fixed part
31: 1st process part 31a: 2nd process part
31b: 3rd process part 31c: 4th process part
32: ball caster 32a: bracket
32b: bearing 32c: cover
33: position fixing pin 33a: fixing bracket
33b: fixing cylinder 33c: pin bracket
33d: fixed pin 34: shock absorber
181c: Transport Bracket 182c: Transport Compact Cylinder
183c: Movement pin for transfer

Claims (8)

In the transfer device provided with a ball caster,
A plurality of support parts 11 are provided at the lower part, and the frame 12 is fixed to the upper part, and the frame 12 and the bolt 12 are fixed to both sides of the upper end of the frame 12, and the auxiliary roller is disposed at the housing 13a and the upper part. A transport roller 13 having a fixed portion 14 is provided, and a rail 15 on which the servomotor portion 18 moves is fixed to the center of the frame 12, and a cable bare 16 is provided on the side and on the other side. A base frame 10 having a rectangular bracket having a rack bracket 17a and a rack gear 17b fixed to an upper end thereof, and a transfer rack 17 to which the servomotor 18 is coupled;
A trolley 21, which is conveyed by the feed roller 13 and the servomotor unit 18, has a quadrangular shape, and a stopper 21a is fixed to each side thereof, and the vehicle body is mounted on the top of the trolley 21. A power supply plate 22a is provided on the side of the trolley 21 to supply electric power to fix the vehicle body seated on the trolley 21, and a supply bracket 22b is provided at the top thereof. The power supply device 22c is provided at the bracket 22b, the air cylinder 22d is disposed at the side, and the cover 22e is formed at the upper side, and the plurality of holes 23 are provided at the bottom of the cart 21. Four transfer working part 20 is provided;
A first process unit 31, a second process unit 31a, a third process unit 31b, and a fourth process unit 31c are formed on side surfaces of the base frame 10, and the first, second, and third process units are formed. And a bracket 32a for transferring the trolley 21 to the base frame 10 formed of four process parts 31, 31a, 31b, and 31c, and a bearing 32b and a cover 32c at an upper end thereof. The transfer unit with a ball caster, characterized in that consisting of; a fixed portion (30) having a plurality of ball casters (32).
The method of claim 1,
The thermomotor portion 18 is composed of a servo motor 18a having a gear 18b attached to the board 18d and a transfer pin 18c inserted into the hole 23 of the bogie 21. Transfer device equipped with a ball caster.
3. The method of claim 2,
The transfer pin (18c) is a transfer device equipped with a ball caster, characterized in that the transfer bracket (181c), the transfer compact cylinder (182c) and the movement movement pin (183c) for vertical movement up and down is coupled .
The method of claim 1,
The ball caster 32 is provided with a bracket (32a) at the bottom, a semi-circular housing (32d) is provided at the top, a plurality of bearings (32b) are put in the bottom and the top inside the housing (32d), Inserting a rotating body (32e) in the center of the transfer device with a ball caster, characterized in that the rotating body (32e) is rotated by the bearing (32b).
The method of claim 1,
In the first process unit 31, the second process unit 31a, the third process unit 31b, and the fourth process unit 31c, when the cart 21 enters the process unit, the trolley 21 ) A transfer apparatus provided with a ball caster, characterized in that a plurality of position fixing pins (33) are fixed to the hole (23) at the bottom.
6. The method of claim 5,
The position fixing pin 33 is provided with a fixing bracket 33a and a fixing cylinder 33b therein, a pin bracket 33c is fixed at the upper end thereof, and an upper / higher part is fixed by the fixing cylinder 33b at the upper end thereof. Feed device with a ball caster, characterized in that consisting of a fixed pin (33d) for vertical movement.
The method of claim 1,
The first cast unit 31, the second process unit 31a, the third process unit 31b and the fourth process unit 31c are provided with a rubber cushioning device 34, characterized in that the ball caster Transfer device equipped with.
The method of claim 1,
It is fixed to each side of the first process part 31, the second process part 31a, the third process part 31b, and the fourth process part 31c, and the cam bracket 19b on the sub plate 19a and the upper end. And a cam cylinder bracket 19d and a connector 19e at the center and a compact cylinder 19f at the rear thereof, including an angle 19c for fixing the subplate 19a to move by a designated position. 19 is provided and the transfer device with a ball caster, characterized in that serves as a guide to be fixed to the correct position when the cart 21 is entered.

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