JPH04130230U - Loading bucket transport device for die-cast products - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] Transporting a bucket with legs into which die-cast products formed by a die-casting machine and deburred by a trimming press installed on the side of the machine are loaded by an industrial robot. Automate the exchange of empty buckets and fully loaded buckets in conveying equipment. [Configuration] Bucket loading section A- where empty buckets are loaded and transferred
1 and a bucket unloading section A-2 for unloading and transporting a fully loaded bucket full of die-cast products are installed vertically in parallel, and the terminal end of the bucket loading section and the starting end of the bucket unloading section are connected to each other by lifting and lowering the bucket. By communicating and configuring in part A-3 and linking the operations of these parts with the industrial robot, it is possible to automatically exchange an empty bucket for loading die-cast products 1 with a fully loaded bucket loaded with die-cast products. This is what I did.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a conveying device for buckets with legs, especially those formed using a die-casting machine. Deburring is performed using a trimming press installed on the side of the machine. A transporter transports buckets into which the finished die-casting products are loaded using industrial robots. This relates to a sending device.

0002

[Conventional technical background and its problems]

Traditionally, die-cast products are machined and deburred using a trimming press machine. A bucket (commonly known as a pallet) that the worker carried close to the trimming press machine after (referred to as a trimming press machine) or placed close to a trimming press machine. The deburred products are automatically loaded into the bucket by the installed industrial robot. I was doing it. For this reason, in the former case, the operator must always keep an eye on the area around the trimming press machine. Not only do you have to stand by at Since it is necessary to load the items into the container, the work burden on the workers increases and fatigue increases. There was a problem that caused it to happen. On the other hand, in the latter case, it is always on standby like the former. Although not necessary, it is recommended to replace a fully loaded bucket with an empty bucket. Because the work must be carried out using a lifting vehicle such as a forklift, the work must be done away from home for long periods of time. Unable to do so, the worker prepares an empty bucket around the trimming press machine. It was necessary to do such work.

0003

[Problem that the idea aims to solve]

The present invention was developed in view of these conventional circumstances, and is an attempt to solve them. The technical issue is that die-cast products are deburred using a trimming press machine. The die-casting machine works in conjunction with an industrial robot that automatically loads the Automatically exchanges a fully loaded bucket with an empty bucket. The purpose is to provide a conveyance device.

0004

[Means to achieve the task]

The technical measures taken by this invention to achieve the above-mentioned problems are as follows: There is a bucket loading section with loading conveyors on both sides, and a loading section where die-cast products are loaded. A bucket transport system equipped with unloading conveyors on both sides for unloading and transporting fully loaded buckets. The conveyor end of the bucket loading section and the bucket are installed vertically parallel to each other. The bucket receiving/delivery conveyor that connects the start end of the conveyor at the unloading section is electrically connected. The bucket lifting section installed on both sides of the beta is installed across the bucket loading and unloading section. In addition, the conveyor end of the bucket loading section and the conveyor starting end of the bucket loading section. In addition, there is a connecting controller running parallel to the end of the conveyor adjacent to the bucket lifting section. It is characterized by having bears arranged all over the top surface.

[0005]

[Effect]

According to the above-mentioned technical means of the present invention, deburred die-cast The loading area where goods are loaded from the trimming press machine by industrial robots. Specifically, the bucket lifting section is located within the operating range of the industrial robot. The equipment body is installed near the industrial robot, and each movement drive part of the equipment body and the industrial robot are control unit. This allows empty buckets to be placed in the bucket loading section of the device. The waste is sent to the elevator of the bucket lifting section by both conveyors, and the bucket is Fully loaded with die-casting products by industrial robots in the lifting section. The bucket is transported by a conveyor in the lifting section and a conveyor in the bucket unloading section. At the same time, a fully loaded bucket is sent out from the elevator to the exit section. When the elevator moves up and down toward the bucket loading section, the elevator moves from the bucket loading section. A series of these bucket transports is performed in which empty buckets are sent to the tank.

[0006]

【Example】

An example of the implementation of the present invention will be described below based on the drawings. In FIG. The main body, B is an industrial robot, C is a trimming press machine, and D is a die-casting machine. As shown in the figure, the device main body A is installed close to the industrial robot B, and the industrial robot A fully loaded bucket 3 loaded with die-cast products 1 and an empty bucket are separated by The exchange with the robot 2 is automatically performed in cooperation with the industrial robot B.

[0007] The device main body A includes a bucket loading section A-1 for loading and transferring empty buckets 2, and a die cutter. A bucket unloading unit that unloads and transports a fully loaded bucket 3 loaded with stock products 1. A-2, this bucket carrying-out section A-2, and the bucket carrying-in section A-1 are connected. Along with this, there is a bucket lift that serves as the loading area for die-casting product 1 by industrial robot B. It consists of a lowering part A-3, a bucket carrying-in part A-1 and a bucket carrying-out part A-2. The bucket is installed parallel to the bottom and extends over the loading and unloading sections A-1 and A-2. The elevating section A-3 is installed in an upright position.

[0008] The bucket loading section A-1 has a plurality of empty buckets 2 lined up in the transfer direction and waiting for preparation. The function is to send the empty bucket 2 to the bucket lifting section A-3 while the bucket is being moved. Therefore, the desired length ( Carrying-in conveyors 5 are installed on both sides of the upper row of the machine frame 4, which is assembled to a size (size). Finally, the legs 2' of the empty bucket 2 are placed and received on the conveyor 5 on both sides. It has been done. This carry-in conveyor 5 spans sprockets 6 that are pivoted on both the front and rear sides. Chain structure that can be rolled and stretched, more specifically, the chain is wound around the front and rear sprockets 6. At least remove the leg rest strips 8 (top plates) for each chain 7 to be bridged. It has a top chain structure that is attached and configured, and this carry-in conveyor 5 is stretched. Between the front and rear sprockets 6, the strip plate 8 and 7 groups of chains are flatly received and guided. The guide frame 9 is fixedly arranged to handle the bucket load and the die-casting to be loaded. The load-bearing strength of the product 1 is increased.

[0009] The power is transmitted to the carrying-in conveyor 5 on both sides by winding the terminal end of the conveyor 5. A transmission sprocket 11 is pivotally supported on a rotating shaft 10 of a sprocket 6 to be rotated. The sprocket of the hydraulic or electric motor 12 installed on the horizontal frame 4' of the machine frame 4 A transmission chain 14 is spanned across the motor 13 and rotated by the power of the motor 12. It is designed to be made.

0010 On the other hand, the bucket unloading section A-2 is a die-cast product in the bucket lifting section A-3. 1 is received from the lifting section A-3 and carried out. The bucket carrying section A- With the exact same structure and condition as 1, the unloading conveyors 15 are each set up on a rack, and a fully loaded bucket is installed. The legs 3' of the kit 3 are placed on and received by the conveyors 15 on both sides.

[0011] In the figure, 16, 17, 18, and 19 are part of the bucket loading and unloading parts A-1 and A-2. The limit switch 16 is installed on each side of the bucket. The empty bucket 2 placed on the carry-in conveyor 5 of A-1 is stopped before the end. The limit switch 17 is also placed on the loading conveyor 5. The loaded empty bucket 2 is placed at a distance after the empty bucket 2 while it is being transferred. This is for stopping and waiting. That is, in this embodiment, the bucket loading section A The carrying-in section A-1 is configured so that two empty buckets 2 are prepared and on standby in -1. . On the other hand, the limit switch 18 is activated from the bucket lifting section A-3 to the bucket unloading section A-3. 2 and delivered onto the carry-out conveyor 15 of the carry-out section A-2. The second fully loaded bucket 3 sends out the fully loaded bucket 3 from the bucket lifting section A-3. This is to stop the bucket unloading section A-2 during the transfer. . The limit switch 19 stops the fully loaded bucket 3 at the end of the unloading conveyor 15. It is for the purpose of In addition, these limit switches 16, 17, 18, 19 are The respective electric motors 12 and 20 are electrically linked to the control unit of the industrial robot B. There is. In addition, Figures 21 and 22 show that the front and rear limit switches 16 and 17 are arranged at different intervals. The stopper mechanism 21 is a stopper mechanism installed in each container loading section A-1. It operates in conjunction with the ON operation of the mitt switch 16, and the to receive the empty bucket 2, and the stopper mechanism 22 turns on the limit switch 17. It operates in conjunction with the movement and receives the empty bucket 2 during the transfer of the carry-in conveyor 5. A stop plate 25 is attached to the rod of the hydraulic or air cylinder 24. The stop plate 25 is moved up and down by using the stop plate 25.

0012 The bucket lifting section A-3 is connected to the bucket loading section A-1 and the bucket installed above and below. It communicates with the unloading section A-2, and also connects the empty bag sent from the bucket loading section A-1. While the bucket 2 is loaded with die-cast products 1, the empty bucket 2 is loaded. The fully loaded bucket 3 loaded with die-cast products 1 is carried out into the bucket. This function is to send the bucket to section A-2, and the bucket is carried in from the bucket carrying-out section A-2. A machine frame 4 in which the bucket loading and unloading sections A-1 and A-2 are installed at a height spanning section A-1. An elevator 27 is installed within a machine frame 26 that is assembled and configured with approximately the same width spacing.

[0013] The elevator 27 has a bottom frame 28 assembled to a size that can accommodate a bucket. On both sides of the frame 28', the interval is the same as the interval between the conveyors 5 on both sides of the bucket loading section A-1. A bucket receiving/delivery conveyor with exactly the same structure and condition as the conveyor 5 at the same time. 29 are each mounted on a rack. This elevator 27 stands on one side of the frame 28. Guide rollers 30 attached to the front and rear of the ascending frame 28'' are attached to the front and rear supports 26' of the machine frame 26. As shown in the illustrated example, it is rotatably engaged and installed in the machine frame 26 so as to be movable up and down. Lifting and lowering chains are attached to the hanging tools 31 attached to the upper and lower center of the one-side rising frame 28''. 32 is fixedly connected and raised and lowered, and at the upper movement limit, the bucket loading section A- Receive the empty bucket 2 from 1 and transfer the fully loaded bucket to the bucket unloading section A-2 at the downward movement limit. It is arranged to hand over ket 3.

[0014] The lifting chain 32 has a double structure in consideration of increasing the strength against loads. Both sprockets 33 are installed in parallel at the lower part of one side of the machine frame 26, and the sprockets 33 are installed in parallel at the upper part. Sprocket 34 and sprocket 3 of lifting motor 35 with reducer installed 5' is wound and tensioned to suspend the elevator 27 so that it can move up and down.

[0015] In the figure, 36 is a limit switch installed on one side of the elevator 27. The empty bucket 2 is sent from the bucket loading section A-1 to the elevator 27. It is received at the same time as it detects that it has been loaded into the elevator 27 and placed in the fixed position. The electric motor 37 of the transfer conveyor 29 is stopped and the lifting motor 35 is instructed to operate. It functions to output a command to start the descent of the elevator 27. 38 in the diagram is an elevator The bucket loading section A-1 is arranged in parallel on the left and right sides of the front edge (inlet side) of the motor 27. A stopper mechanism with exactly the same structure as the stopper mechanisms 21 and 22 detailed in the configuration explanation Then, it is operated in conjunction with the ON operation of the limit switch 36 and mounted in the fixed position. The empty bucket 2 is received in the elevator 27, and the die-cast product 1 is filled. When the industrial robot is loaded onto the The stopper state is released. In addition, 39, 40, 41, and 42 in the figure are the machine frame 26. Ascent limit braking limit switches and descent limit switches are installed at the top and bottom of the rear column 26', respectively. It is a braking limit switch, and among the rise limit braking limit switches 39 and 40, the limit switch is The mitt switch 39 operates in conjunction with the upper detection plate 43 of the elevator 27. The limit switch 40 is for slowing down the rising speed of the motor 27. Receiving and delivery conveyor 29 of Beta 27 and loading conveyor of bucket loading section A-1 This is to stop the elevator 27 when A5' and A5' are flush with the top surface. Ru. On the other hand, among the lower limit braking limit switches 41 and 42, the limit switch 41 is The descending speed of the elevator 27 is reduced by cooperation with the lower detection plate 44 of the elevator 27. The limit switch 42 is for speeding up the receiving and delivery conveyor 2. 9 is flush with the top surface of the transport conveyor 15 of the bucket transport section A-2. This is for stopping the motor 27.

[0016] Then, the elevator 27 of the bucket lifting section A-3 switches to the upper limit braking limit switch. Leg 2' of empty bucket 2 is loaded into the bucket when it stops at the upward movement limit due to step 40. Receiving/delivery conveyor 29 of elevator 27 from above loading conveyor 5 of section A-1 When moving up, the elevator 27 is lowered by the lower limit brake limit switch 42. It stopped at the lowering limit and was fully loaded with die-cast product 1 by industrial robot B. At this point, the leg 3' of the fully loaded bucket 3 is connected to the receiving/delivering conveyor 29 of the elevator 27. When transferring the bucket from above onto the carrying out conveyor 15 of the carrying out section A-2, these transfers are carried out. The terminal end of the carry-in conveyor 5 and the start end of the carry-out conveyor 15 are Communication conveyors 45 and 46 are provided.

[0017] These communication conveyors 45 and 46 are the receiving/delivery conveyor 2 of the elevator 27. A predetermined crossing distance is placed on the sides of the adjacent conveyor ends at the ascending limit and descending limit of 9. The racks are arranged in a parallel cross shape with a distance between them, and the end of the carry-in conveyor 5 and the carry-out conveyor 5 are A sprocket that is pivotally supported on each rotating shaft 10, 47 with the starting end of the bear 15 48, 49 to the front of this sprocket 48, 49, that is, the reception of the elevator 27. It is attached to the horizontal frame 4' of the machine frame 4, located on the side of the end of the delivery/delivery conveyor 29. A tension frame is wound around sprockets 51 and 52 which are pivotally supported on the protruding end side of the protruding frame 50. At least they are installed in the bucket carry-in section A-1 and the bucket carry-out section A-2, respectively. Furthermore, this The communication conveyors 45 and 46 have exactly the same structure as the carry-in conveyor 5.

[0018] Next, we will explain the operation of the conveyance device of this embodiment configured as described above with respect to industrial robot B. In terms of coordination, bucket lifting section A-3 is placed within the operating range of industrial robot B. Place the main body A of the device as shown in the illustration, and load it on both sides of the bucket loading section A-1. Place the legs 2' of the empty bucket 2 on the conveyor 5 and move the empty bucket 2 to the bucket loading section. A-1 is placed on standby. At this time, move the first empty bucket 2 to the bucket loading section A. By operating the manual switch 53 installed at the inlet of bucket lift section A-3, The bucket is fed into the elevator 27, and the limit switches 16 and 1 are placed in the bucket loading section A-1. Under the detection of 7 (ON operation), the two empty buckets 2 are placed on standby at intervals. (See Figure 12). Then, the lifting motor 35 is activated and lowered to the lowering movement limit. A preset number of die-cast products 1 are placed in the first empty bucket 2 of the industrial robot. When it is loaded by bot B and becomes full, the electric motor 37 of the elevator 27 and the bot B are loaded. The electric motor 20 of the container unloading section A-2 operates simultaneously to transport the conveyors 29, 46, 15 to move the fully loaded bucket 3 from the elevator 27 to the bucket unloading section A-2. (See Figure 14). At this time, the leg 3' of the fully loaded bucket 3 is used as a receiving and delivery function. from the conveyor 29 to the communication conveyor 46, and from the conveyor 46 the It is delivered onto the output conveyor 15. Fully loaded bucket 3 is on the bucket unloading section A-2 side The fully loaded bucket 3 is transferred to Once it is confirmed that it has been transferred to section A-2, conveyors 29, 46, 15 rotation is stopped and the elevator motor 35 is operated to move the elevator 27 upward. The elevator 27 is stopped at the upper movement limit by the upper limit braking limit switch 40. Then, the elevator 27 and the electric motors 37 and 12 of the bucket loading section A-1 are activated at the same time again. It operates to rotate the conveyors 29, 45, 5 and transfer the second empty bucket 2 to the bucket. The material is sent into the elevator 27 from the loading section A-1 (see FIG. 15). elevator 27 The empty bucket 2 received at The detection of the limit switch 36 confirms that the user has been transferred to the elevator 27. When confirmed, the rotation of the conveyors 29, 45, 5 is stopped and the lifting motor 35 is activated. Then, the elevator 27 is moved downward, and the die-cast product 1 is removed by the industrial robot B. Prepare for loading. After that, repeat the above operation to empty bucket 2 and fully loaded bucket 3. These series of buckets are automatically exchanged with industrial robot B in cooperation with industrial robot B. It is used for transportation.

[0019] By the way, E in the figure is a piece of corrugated paper installed adjacent to the side of the bucket lifting section A-3. At the feeding device, die-cast product 1 is loaded into empty bucket 2 by industrial robot B. This system automatically feeds corrugated paper into the empty bucket 2 every other layer during the process of filling the container. .

[0020]

[Effect of the idea]

Since the conveying device of the present invention is constructed as described above, it exhibits the following effects. (1) By keeping multiple empty buckets ready and waiting in the bucket loading section, In cooperation with industrial robots, empty buckets are sent to the elevator in the bucket lifting section. The die-cast products are fully loaded by an industrial robot in the lifting section. The fully loaded bucket is sent to the bucket unloading section, and when the elevator is empty, the bucket is A series of these buckets in which empty buckets are fed back into the elevator from the bucket loading section. Carry out cut conveyance. Therefore, according to the conveying device of the present invention, the empty bucket can be transported by the bucket. By having multiple units ready and waiting at the entrance, it is possible to keep the die-casting products fully loaded. Since loaded buckets are automatically replaced with empty buckets, workers do not have to work for long periods of time. This enables unmanned operation away from the surroundings of the mixing press machine, during which the operator is You can take time to do work etc. (2) The terminal end of the carry-in conveyor in the bucket carry-in section and the carry-out conveyor in the bucket carry-out section At the starting end of Since the connecting conveyor is arranged all over the top surface, it is possible to connect from the loading conveyor to the elevator. transfer of the bucket legs to the receiving/delivery conveyor and from the said delivery conveyor. Allows for smooth transfer to the unloading conveyor, making it ideal for transporting buckets with legs. It has great beneficial and practical effects. (3) The bucket loading section and the bucket unloading section are installed vertically parallel to each other. Because the transport structure has a transport structure in which the loading and unloading sections are connected via the bucket lifting section, the space is narrow. A large number of buckets can be transported within the installation space.

[Brief explanation of drawings]

FIG. 1 is a schematic plan view showing the arrangement of a die-casting machine, a trimming press machine, and a bucket conveying device showing an example of the implementation of the present invention.

2 is a schematic front view of the bucket transport device shown in FIG. 1. FIG.

FIG. 3 is a plan view showing the bucket loading section with some parts omitted.

FIG. 4 is a cross-sectional plan view showing the bucket unloading section, with some parts omitted.

5 is an enlarged longitudinal sectional front view showing a bucket loading section and a bucket unloading section taken along line V-V in FIG. 3, with some parts omitted; FIG.

6 is an enlarged sectional view taken along line VI-VI in FIG. 3. FIG.

7 is an enlarged sectional view taken along line VII-VII in FIG. 3. FIG.

FIG. 8 is a front view showing the bucket lifting section with a portion cut away.

9 is a cross-sectional plan view taken along line IX-IX in FIG. 8. FIG.

10 is a longitudinal sectional view taken along the line XX in FIG. 9, with some parts omitted.

FIG. 11 is a perspective view showing a state in which the terminal end of the carry-in conveyor, the start end of the carry-out conveyor, and the bucket receiving/delivery conveyor are in communication with each other.

FIG. 12 is a schematic front view of a state in which empty buckets are ready in the elevators of the bucket carry-in section and the bucket elevating section.

FIG. 13 is a schematic front view of a state in which the elevator is moved down and the first empty bucket is transported to a product loading position by an industrial robot.

FIG. 14 is a schematic front view showing a state in which a fully loaded bucket filled with products is sent out from an elevator to a bucket delivery section.

FIG. 15 is a schematic front view of a state in which the elevator moves upward and a second empty bucket is sent into the elevator from the bucket loading section.

[Fig. 16] Schematic front view of the state shown in Fig. 14, after the second full bucket fully loaded with products has been delivered to the bucket unloading section, the third empty bucket has been sent into the elevator that has moved upwards. It is a diagram.

[Explanation of symbols]

A...Device body A-1...Bucket carrying-in section A-2...Bucket carrying-out section A-3...Bucket lifting section 1...Die-cast product 2...Empty bucket 3...Full bucket 4, 26...Machine frame 5...Carry-in conveyor 15...Carry-out Conveyor 45, 46...Communication conveyor

Claims (1)

[Scope of utility model registration request] Claim 1: A bucket conveyance device for loading deburred die-cast products by an industrial robot, comprising a bucket loading section equipped with loading conveyors on both sides for loading and transporting empty buckets, and a fully loaded bucket loaded with die-cast products. A bucket carrying-out section is provided with carrying-out conveyors on both sides for carrying out and transferring the buckets, and a bucket receiving/delivery conveyor is installed vertically and parallel to each other, and connects the conveyor terminal end of the bucket carrying-in section and the conveyor starting end of the bucket carrying-out section. Bucket elevating sections provided on both sides of the elevator are installed across the bucket loading and unloading sections, and furthermore, the bucket lifting section is installed across the bucket loading and unloading sections, and the bucket lifting section is installed at the end of the conveyor in the bucket loading section and at the conveyor starting end of the bucket unloading section. A conveying device for a bucket with legs, characterized in that communication conveyors extending in a parallel crosswise manner are disposed on the entire top surface.