JP3395326B2 - Article transfer and delivery device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to powder metallurgy, which is one of means for producing articles such as gears, and relates to the delivery and delivery of powder molded articles in a compacting apparatus. It concerns the device. [0002] As is well known, in powder metallurgy, as an example, a powder compact is formed in a mold by a powder compacting machine (powder compacting machine) to form a powder compact, and this powder compact is formed. The product is extruded from a mold, transferred from a powder compacting press machine into a sintering furnace, sintered in this sintering furnace, and the sintered body is again put into a mold and recompressed. Through these steps, products of desired dimensions and shapes are manufactured. Incidentally, as other means, a method of performing sintering, reheating, and forging after the powder molding, a method of performing heating and forging after the powder molding, and the like are also known. By the way, between the powder molding press and the sintering furnace, a stock cassette is provided,
To transfer the powder molded product that has been compression-molded by the powder molding press and extruded from the mold to a sintering furnace, the powder molded product is manually removed from the powder molding press and arranged in the stock cassette. Then, the cassette was transferred to the sintering furnace entrance side, and the powder molded product was transferred to the sintering furnace. [0003] However, there is a problem that it takes time and effort to take out the powder molded product from the powder compacting press manually and put it on a stock cassette. The present invention has been made in view of the above circumstances, and has as its object to enhance the workability of transferring a powder molded product of a compacting apparatus to the next step. [0004] In order to achieve the above object, the present invention provides a method for producing a powder molded product by compression molding a powder.
Installed in the powder molding press, the powder molding press
The work as a powder molded product placed at the standby position on the base is separated from the standby position by a predetermined distance, and
The relay position provided in the , the standby position and the relay position
Conveying path sequentially transported to and placed along, the placed the workpiece in said <br/> splicing position, other party of the transport passage between the
Further ahead of the relay position, and the powder
The work is installed adjacent to the forming press machine.
To the same height as the upper surface of the base of the chute to be moved
A transport and dispensing device for sequentially dispensing articles to the base end , wherein a guide body disposed along the transport path,
A moving body that runs on the guide body , and is movable up and down on the moving body , and the moving body moves from the standby position to the relay.
A support that is supported so as to rise when traveling in a direction toward a position, a first drive cylinder that is mounted on the moving body and moves the support up and down, and the standby position in the support A workpiece gripping mechanism configured to hold the workpiece by lowering the support and to release or grip the workpiece; and a workpiece gripping mechanism supported by the support and supporting the workpiece. A second drive cylinder that drives a mechanism, and the support body is vertically movable to the relay position side from the gripping mechanism , and
A direction in which the moving body moves from the standby position to the relay position
A member out have paid <br/> which are horizontally supported so that descends when running in the supported by the support member is constituted comprising a third drive cylinder for driving the dispensing member in the vertical ing. According to the structure of the present invention, (1) First, a work in which a single-axis molding of powder is performed by a compacting apparatus is placed at a standby position before moving to the next step. In the standby state, the workpiece gripping mechanism is at the ascending position of its up-and-down movement at the relay position, and in the state where the payout member is in the raised state, when operating the article transport / payout device,
The moving body moves to the standby position side, and the work holding mechanism is stopped immediately above the both sides of the standby position. (2) Next, the first drive cylinder is contracted and the work gripping mechanism is lowered to stop at both sides of the work at the standby position. (3) Next, the second drive cylinder is contracted to grip the workpiece at the standby position by the workpiece gripping mechanism. (4) Next, the first drive cylinder is extended and the work gripping mechanism is raised directly above. At this time, the third drive cylinder extends and the dispensing member descends. (5) Next, the moving body moves to the relay position side, and the work gripping mechanism is positioned just above both sides of the relay position and stops. (6) Next, the first drive cylinder is contracted and the work gripping mechanism is lowered to stop on both sides of the work at the relay position. At this time, the third driving cylinder contracts and the payout member rises. (7) Next, the second drive cylinder is extended and the work gripping mechanism releases the work at the relay position. As a result, the workpiece is placed at the relay position in a released state. (8) Next, the first drive cylinder is extended, and the workpiece gripping mechanism rises directly above the workpiece on both sides of the standby position without gripping the workpiece. (9) Next, the moving body moves to the standby position side, and the work gripping mechanism is positioned just above both sides of the standby position and stopped. (10) Next, the first drive cylinder is contracted and the work gripping mechanism is lowered to stop on both sides of the work at the standby position. (11) Next, the second drive cylinder is contracted to grip the workpiece at the standby position by the workpiece gripping mechanism. (12) Next, the first drive cylinder is extended, and the work gripping mechanism is raised directly above. At this time, the third drive cylinder extends and the dispensing member descends. (13) Next, the moving body moves to the relay position side. At this time, since the payout member is lowered, the payout member moves from the standby position to the relay position prior to the work gripping mechanism, and pushes the previous work placed at the relay position to pay the work to the next process side. put out. Subsequently, the moving body moves to the relay position side, and the work gripping mechanism that grips the work is positioned just above both sides of the relay position and stops. (14) Next, the first drive cylinder is contracted, the work gripping mechanism is lowered, and the work is stopped with the work placed on the relay position. At this time, the third driving cylinder contracts and the payout member rises. (15) Next, the second drive cylinder is extended and the work gripping mechanism releases the work at the relay position. As a result, the workpiece is placed at the relay position in a released state. (16) Next, the first drive cylinder is extended, and the workpiece gripping mechanism rises directly above the workpiece at both sides of the standby position without gripping the workpiece. An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a plan view of an article conveying and dispensing apparatus 1 according to the present invention, which is installed in a powder molding press 100. The device 1 for transporting and dispensing articles comprises a guide 2, a transport cylinder 3, a moving body 4, a support 5, a first drive cylinder 6, a work gripping mechanism 7, and a second drive cylinder 8.
And the payout member 9 and the third drive cylinder 10 shown in FIGS. In FIG. 1, reference numeral 11 denotes a powder molding press 10
0 base. FIG. 2 is a front view of the article transfer and delivery device 1, and FIG. 3 is a side view of the article transfer and delivery device 1. 2 and 3, reference numeral 12 denotes a powder molding press 100
The cylinder 12 is provided with a piston 13 so as to be vertically movable. An upper die 14 is attached to the piston 13. The base 11 is provided with a lower die (not shown) which is positioned on the same axis as the central axis of the piston 13 and is vertically movable. Uniaxial molding of the powder is performed between the upper mold 14 and the lower mold. In this case, the powder molded product 15 (article) (work) (indicated by a virtual line in FIG. 1) is discharged from the base 11, placed on the upper part of the lower mold, and is in a standby state for the next process. Reference symbol W shown in FIG. 1 is a standby position of the powder molded product 15. A relay position C is provided on the base 11 at a predetermined distance from the standby position W to the lower side in FIG. The powder molded product 15 is moved to the standby position W as described later.
Is transferred to the relay position C, and a transfer path R is provided between the standby position W and the relay position C (the powder molded product 15 transferred to the relay position C is indicated by an imaginary line in FIG. 1). It is shown). The guide body 2 is provided along the transport path R at the side of the standby position W and the relay position C. The guide body 2 is a straight rod having a rectangular cross section, and the transfer cylinder 3 is attached to the guide body 2. A mounting portion (not shown) is provided on a piston rod of the transport cylinder 3, and the moving body 4 is connected to the mounting portion. The moving body 4 is composed of a sliding portion 16 fitted to the guide body 2 shown in FIG. 2 and an upper and lower guide portion 17 provided on the sliding portion 16 on the side of the transport path R and provided upright. Has become. The vertical guide portion 17 has an L-shape, and an upright plate portion 18 is formed with a groove 19 as shown in FIG. On the surface of the upright plate portion 18 on the side of the transport passage R, two rails 20, 20, which are located on both sides of the groove 19 and extend in the vertical direction, are provided separated from each other. The moving body 4
The driving force of the transport cylinder 3 causes the guide body 2 to reciprocate along the transport path R. The first drive cylinder 6 is mounted upright on the upper surface of the sliding portion 16 of the moving body 4 with its piston rod protruding upward. The moving body 4 supports the supporting body 5 so as to be vertically movable. As shown in FIGS. 1, 2 and 3, the support 5 has a connecting plate 21 mounted horizontally on the upper end of the piston rod of the first drive cylinder 6, and a lower end on the lower surface end of the connecting plate 21. 2, an L-shaped member 23 having a vertical portion fixed to the mounting plate 22, a horizontal plate 24 fixed to a horizontal portion of the L-shaped member 23, It comprises a fitting part 25, 25, 25, 25 integrally provided on the plate 22. As shown in FIG. 1, each fitting portion 25 is formed with a fitting groove 26 extending vertically. The support 5 is fitted to the rails 20, 20 of the moving body 4 in the fitting grooves 26 of the respective fitting portions 25, and is attached to the moving body 4 so as to be vertically movable. Therefore, the support 5 is moved up and down by driving the first driving cylinder 6. When the connecting plate 21 moves up and down by driving the first driving cylinder 6, a part of the connecting plate 21 Is the vertical guide 1
7 to move up and down in a groove 19 formed in the groove. The support 5 is provided with the workpiece gripping mechanism 7 toward the standby position W. The work gripping mechanism 7 is attached to the support 5 as described below. That is, the second drive cylinder 8 is attached to the lower surface of the horizontal plate 24 of the support 5 in the left-right direction in FIGS. Second drive cylinder 8
Has piston rods 27, 28 protruding outward from both ends of the cylinder body 8a shown in FIG. 1, and these piston rods 27, 28 respectively extend and contract in synchronization with the cylinder body 8a in FIG. It has been done. At the ends of the piston rods 27, 28, as shown in FIG.
It is fixed and mounted in a state orthogonal to 7, 28.
Chucking hands 31, 31 are attached to the attachment plates 29, 29 via attachment members 30, 30, respectively. The chucking hands 31, 31 are attached toward the standby position W direction of the support body 5, and the chucking hands 31, 31, as shown in FIG. 32 are formed. These V grooves 32, 32 have pads 32a, 32a, respectively.
Are attached, and the chucking hands 31, 31
Thereby, the work 15 is gripped via the pads 32a, 32a. And the mounting member 3
0, 30, chucking hands 31, 31 and pad 3
The work gripping mechanism 7 is constituted by 2a and 32a. When the support 5 is located on the standby position W side from the relay position C, the dispensing member 9 located on the relay position C side by the work gripping mechanism 7 is vertically movable. It is supported by. A support plate 33 is fixed to the left side of the horizontal plate 24 of the support 5 in FIG. 3 in a vertical state, and the third drive cylinder 10 has its piston rod directed vertically downward on the support plate 33. Attached to. The dispensing member 9 is a flat plate formed in a rectangular shape, and is horizontally attached to a lower end of a piston rod of the third drive cylinder 10. A chute 34 is provided adjacent to the powder molding press 100 further forward of the relay position C located ahead of the transport path R. The chute 34 has a base end (an end on the powder molding press 100 side) flush with the upper surface of the base 11 of the powder molding press 100, and a tip end of the chute 34 is a base end of the chute 34. The chute 34 is set lower than the section and is provided in an inclined shape. Next, the operation of the apparatus for transporting and dispensing articles configured as described above will be described. First, the powder is pressed uniaxially by the powder molding press 100, and the powder molded product 15, that is, the work is discharged from the base 11 at the standby position W indicated by the imaginary line in FIG. It is set in a standby state before being mounted and moving to the next process. At this time, the moving body 4 is located at the position shown by the solid line in FIG. 1, and the chucking hands 31, 31 of the work gripping mechanism 7 are located on both sides of the relay position C, respectively, to widen the interval between them. It is in a state where it was done. In addition, the connecting plate 21 attached to the first drive cylinder 6 is at the position moved upward. That is, the work gripping mechanism 7 is at the position where the workpiece is moved up and down. Also, the third drive cylinder 1
Numeral 0 indicates a state in which the dispensing member 9 is in a raised state. (1) In this state, the article delivery and delivery device 1
Is operated, the transport cylinder 3 is operated, the moving body 4 moves in the direction opposite to the direction of the arrow A in FIG. 1, and the chucking hands 31, 31 are positioned immediately above both sides of the standby position W and stopped. . (2) Next, the first drive cylinder 6 is contracted, and the chucking hands 31, 31 are lowered to stop on both sides of the work 15 at the standby position W. (3) Next, the second drive cylinder 8 is contracted to move the work 15 at the standby position W to the chucking hands 31 and 3.
1 holds through the pads 32a, 32a. (4) Next, the first drive cylinder 6 is extended, and the chucking hands 31, 31 are raised directly above. At this time, the third drive cylinder 10 is extended and the dispensing member 9 is lowered. (5) Next, the transport cylinder 3 operates to move the moving body 4 in the direction of arrow A in FIG. (6) Next, the first drive cylinder 6 is contracted, and the chucking hands 31, 31 are lowered to stop on both sides of the work 15 at the relay position C. At this time, the third drive cylinder 10 is contracted and the payout member 9 is raised. (7) Next, the second drive cylinder 8 is extended, the chucking hands 31, 31 widen each other, and releases the work 15 at the relay position C. As a result, the work 15 is placed at the relay position C in a released state. (8) Next, the first drive cylinder 6 is extended, and the chucking hands 31, 31 are raised directly above both sides of the standby position C without gripping the powder molded product. (9) Thereafter, the above operations (1) to (4) are repeated. That is, next, the transport cylinder 3 operates to move the moving body 4 in the direction opposite to the direction of the arrow A in FIG. 1, and the chucking hands 31, 31 are positioned immediately above both sides of the standby position W and stopped. (Same as (1) above). (10) Next, the first drive cylinder 6 is contracted, and the chucking hands 31, 31 are lowered to stop on both sides of the work 15 at the standby position W ((2) above). (11) Next, the second drive cylinder 8 is contracted to move the work 15 at the standby position W to the chucking hands 31,
It is gripped by the pads 31 via the pads 32a, 32a (the same as (3) above). (12) Next, the first drive cylinder 6 is extended, and the chucking hands 31, 31 are raised directly above. At this time, the third drive cylinder 10 extends and the dispensing member 9 descends (the same as (4) above). (13) Next, the transport cylinder 3 operates and the moving body 4
Moves in the direction of arrow A in FIG. At this time, since the payout member 9 is lowered, the payout member 9 moves from the standby position W to the relay position C prior to the chucking hands 31, 31 and moves to the relay position C. The work 15 is pushed out and discharged onto the base end of the chute 34. Subsequently, the moving body 4 moves in the direction of the arrow A, and the chucking hands 31 holding the powder molded product 15 are stopped immediately above the relay position C on both sides. (14) Next, the first drive cylinder 6 is contracted, the chucking hands 31, 31 are lowered, and stop while the work 15 is placed at the relay position C on the base 11. At this time, the third drive cylinder 10 is contracted and the payout member 9 is raised. (15) Next, the second drive cylinder 8 is extended, and the chucking hands 31, 31 widen each other, releasing the work 15 at the relay position C. As a result, the work 15 is placed at the relay position C in a released state (see (7) above).
Same as). (16) Next, the first drive cylinder 6 is extended, and the chucking hands 31, 31 are moved to the standby position C.
And rise directly above without gripping the powder molded product on both sides (same as (8) above). Thereafter, the operations (9) to (16) are repeated. Since the chute 34 is inclined, the powder molded product 15 discharged on the base end of the chute 34 moves toward the tip of the chute 34 by its own weight and rides on a conveyor provided adjacent to the tip of the chute 34. It is arranged in the stock cassette provided adjacent to the transfer conveyor. By the way, if the work 15 is conveyed and placed from the standby position W to the chute 34, the payout operation by the payout member 9 is unnecessary, but in the present embodiment, the work 15 is intentionally moved from the standby position W to the relay position C. And the work 15 placed at the relay position C is dispensed by the payout member 9.
The reason for dispensing to the chute 34 is to increase the operation rate by increasing the amount of the powder molded product 15 carried out from the powder molding press 100 as much as possible. That is, the work 15 is not placed on the chute 34 from the standby position W, but is transported from the standby position W to the relay position C, and the work 15 is placed on the relay position C. 15 transport strokes
The transfer distance of the work 15 from the standby position W to the chute 34 is reduced to the transfer distance of the work 15 from the standby position W to the relay position C.
5, the frequency of unloading the powder compacting press 10
This is to improve the operation rate of unloading the work from zero.
In addition, it is for reducing the weight of the device itself and improving the workability when the device is detached. The work 15 is lifted from the base 11 and transported from the standby position W to the relay position C in order to prevent the work 15 from getting stuck in the lower mold. According to this embodiment, as described above, the work 15 is transported from the standby position W to the relay position C, and is transferred to the relay position C.
By dispensing the work 15 placed on the chute 34 by the dispensing member 9, the operation rate of unloading the work 15 from the powder molding press 100 can be improved, and the work 15 manufactured by the powder molding press 100 can be manufactured. The workability of the operation of transferring the formed powder product 15 to the next step can be significantly improved as compared with the conventional case. In the above embodiment, the chucking hands 31, 31 are provided with the V-grooves 32. However, the present invention is not limited to this.
The shapes 1 and 31 may be variously changed to a shape that easily grips the work 15. According to the present invention, the powder is compressed and molded.
Installed on a powder molding press to produce
Powder component placed at the standby position on the base of
Move the workpiece as a specified distance from the standby position
And the standby position is provided at the relay position provided on the base.
Transfer along the transfer path between the transfer position and the relay position.
Placing Te, the placed the workpiece to the relay position, before
Further ahead of the relay position located at the end of the transport path.
, And provided adjacent to the powder molding press
And the base of the chute for moving the workpiece to the other side
A sequential dispensed conveying dispenser of the article on the base end portion which is the same height as the upper surface, and the conveying path guide body arranged along the a moving body that travels the guide body above, this movement The body can move up and down , and the moving body is
When traveling in the direction from the standby position to the relay position
A support that is supported so as to rise, a first drive cylinder that is mounted on the moving body and moves the support up and down, and is supported by the support toward the standby position direction ;
The support lowers to grip or release the work
A workpiece gripping mechanism, a second drive cylinder supported by the support, and driving the workpiece gripping mechanism, and the supporter is movable up and down to the relay position side from the gripping mechanism , and The moving object is in front of the standby position
It seems that it is descending when traveling in the direction to the relay position
A payout member supported horizontally, is supported on the support, since the structure comprising the third drive cylinder for driving the dispensing member vertically, the unloading operation rate of the work from the compacting device Thus, the workability of transferring the work manufactured by the compacting apparatus to the next process can be remarkably improved as compared with the related art.

[Brief description of the drawings] FIG. 1 is a plan view of a main part showing an embodiment of the present invention. FIG. 2 is a front view showing one embodiment of the present invention. FIG. 3 is a side view showing one embodiment of the present invention. [Explanation of symbols] 1 Article delivery and delivery device 2 Guide body 4 Moving body 5 Support 6 First drive cylinder 7 Work gripping mechanism 8 Second drive cylinder 9 Dispensing materials 10 Third drive cylinder 15 Powder molded products (articles) (work) W Standby position C Relay position R transport path

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B22F 3/02

Claims (1)

(57) [Claims] 1. Compression molding of powder to produce a powder molded product
Installed in the powder molding press, the powder molding press
The work as a powder molded product placed at the standby position on the base is separated from the standby position by a predetermined distance, and
The relay position provided in the , the standby position and the relay position
Conveying path sequentially transported to and placed along, the placed the workpiece in said <br/> splicing position, other party of the transport passage between the
Further ahead of the relay position, and the powder
The work is installed adjacent to the forming press machine.
To the same height as the upper surface of the base of the chute to be moved
A conveying dispenser of articles successively paid out to the base end portion that is, the a conveying path guide body arranged along the a moving body that travels the guide body above, vertically movable to the moving body,
And the moving body moves from the standby position to the relay position.
Cormorant a support which is supported so as to rise when traveling in a direction, the being mounted on a mobile object, a first drive cylinder for vertically moving said support toward said standby position direction to the support A workpiece gripping mechanism configured to hold the workpiece by lowering the support , or to release the workpiece, a second drive cylinder supported by the support and driving the workpiece gripping mechanism, The support is vertically movable from the gripping mechanism to the relay position side , and the
The body moves in the direction from the standby position to the relay position.
A horizontally supported payout member as to Rutoki lowered, the supported by the support member, conveying dispenser of articles, characterized in that comprising a third drive cylinder for driving the dispensing member in the vertical .