JP4326130B2 - Press material supply equipment - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a method and apparatus for continuously supplying a long press material to a press apparatus, and more specifically, by continuously supplying a long press material to a press die of a press apparatus. The present invention relates to a pressing material supply method and apparatus for pressing.
[0002]
[Prior art]
Conventionally, as a prior material of a press material supply method in which a press material is sequentially supplied to a press machine and processed by press, JP-A-59-169633 and JP-A-5-212471 are cited. be able to.
[0003]
That is, in the former Japanese Patent Application Laid-Open No. 59-169633, the swing height of the carry-out arm is set to be higher than the swing height of the carry-in arm, and the carry-out arm is turned off at the swing dead point on the carry-out start side. Immediately after starting the upward movement of the arm, the loading arm is swung to the swing dead point on the loading end side, the processed material that is unloaded by the unloading arm, and the processing that is loaded by the loading arm The operation timing of the carry-out arm and the carry-in arm is set so that the previous work material overlaps with a predetermined interval in the vertical direction above the lower die of the press machine. As a result, it is possible to shorten the unloading of the processed material from the press machine and the carrying-in to the press machine after processing.
[0004]
In the latter Japanese Patent Application Laid-Open No. 5-212471, the sensor detects the size of the material plate material, and the control means performs drive control of the carry-in and carry-out devices, thereby determining the detection result of the sensor. The material plate material is loaded before the processed plate material is unloaded. Thereby, carrying-in of a raw material board material and carrying out of a processed board material can be performed in parallel, and the carrying-in / out time of a raw material board material can be shortened, As a result, the cycle time for processing of a raw material board material can be shortened.
[0005]
[Problems to be solved by the invention]
However, any of the above-described methods for supplying the preceding document is considered for the purpose of shortening the combination of loading of the feed material into the processing machine and unloading after processing, but the cycle for loading (supplying) into the processing machine. In addition to the fact that time reduction is not taken into account, in the former preceding document, the device for carrying the work material into the processing machine is a vacuum adsorption type using a suction cup or an electromagnetic switching type using an electromagnet or the like. For this reason, the work material cannot be reliably adsorbed, and displacement may occur when setting the processing machine, which may cause defective molding in the press-formed product after processing.
[0006]
Accordingly, the present invention has been made to solve the above-mentioned problem, and paying attention to the supply side of the press material to the press mold, shortens the cycle time when supplying the long press material to the press mold. At the same time, it is intended to improve the setting of the press material to the press die and prevent the occurrence of defective molding of the press-molded product after molding.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention has the following apparatus configuration and the like.
[0008]
The present invention, which has been adapted to the continuously supplied to pressing a press material that is elongated in the press die of the press, the press and grip the pressed material at a first transfer unit While being supplied to the mold, while the press material is being supplied to the press mold by the first conveying device, it is held by the second conveying device and continuously supplied to the press die. It is.
[0009]
Further, when the press material is gripped from the first transport device to the second transport device, when the first transport device in a state where the press material is processed by the press device is instantaneously stopped, The second conveying device is gripped and supplied.
[0010]
Further, when the press material is gripped from the first conveying device to the second conveying device, the second conveying device is moved in the state where the first conveying device is moving. In synchronization with the speed, it is gripped by the second transport device and continuously supplied.
[0011]
Further, in the press material supply device of the present invention, a press material supply device in which a long press material is continuously supplied to a press die of the press device by a conveying device and pressed.
A base provided in the vicinity of the pressing device, a first guide rail and a second guide rail provided side by side on the base, and a movably provided on the first guide rail. A first conveying device that grips the material and supplies it to the press mold, and a press material that is movably provided on the second guide rail and that is conveyed by the first conveying device. Instead, the second conveying device that sequentially supplies the press mold and the second conveying device are retracted upward only when the processing of the press material supplied by the second conveying device is completed. It is comprised from a moving apparatus.
[0012]
Further, the pressing material gripping portion of the first transporting device and the second transporting device is constituted by a claw piece that grips the pressing material from above and below.
[0013]
Further, the moving device for retreating upward when the second transport device is retracted includes a cam mechanism provided on the base side so as to be movable in a direction perpendicular to the second transport device, and a second transport device side. The cam follower is provided and guided by the cam mechanism only when retreating.
[0014]
[Action]
In the method for supplying the press material in the present invention, the long press material is gripped by the first conveying device and continuously supplied to the press die of the press device. While the press material is being pressed and supplied to the press mold by the first transport device, the press material is gripped by the second transport device and continuously supplied to the press die for press processing. When the press material is gripped from the first transport device to the second transport device, it can be gripped while the first transport device in the state of processing the press material is instantaneously stopped. It is also possible to grip and replace both transport devices synchronously while the first transport device is moving. Thereby, when supplying a long press material to the press die of a press apparatus, it can supply continuously and the cycle time at the time of supply can be shortened significantly.
[0015]
Further, in the press material supply device, the press material is gripped by a first transport device movably provided on the first guide rail and continuously supplied to a press die of the press device. And while the 1st conveyance apparatus is pressing while supplying the press material to a metal mold | die, it is 1st conveyance apparatus by the 2nd conveyance apparatus provided in the 2nd guide rail so that movement was possible. The conveyed press material is gripped and continuously supplied to the press die for pressing. At the same time as the processing of the press material is completed, the second transport device is retracted and retracted upward by the moving device, and at the same time, the press material is supplied to the press mold by the first transport device and the press processing is continuously performed. . Thereby, since a long press material can be continuously supplied to a press die, cycle time at the time of supply can be shortened significantly.
[0016]
In addition, since both conveying devices are made up of claw pieces that hold the pressing material from above and below, it is possible to reliably hold the pressing material and set it in the press mold, resulting in poor molding after pressing. Can be prevented. Furthermore, since the moving device when the second conveying device is retracted after the press working is configured by the combination of the cam mechanism and the cam follower, the second conveying device can be reliably moved upward.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a plan view of a press material supply apparatus according to the present invention, FIG. 2 is a front view of the press material supply apparatus according to the present invention, and FIG. 3 is an enlarged plan view in the circle A shown in FIGS. FIG. 6 is an enlarged plan view in the circle B shown in FIGS. 1 and 2, and FIG. 9 is an enlarged plan view in the circle C shown in FIGS.
[0018]
1 and 2, reference numeral 1 denotes a press device for processing a long press material W. The press device 1 includes a plurality of upper dies 2 provided in a vertically movable manner, It consists of a fixed lower mold 3 provided on each of the opposite sides of the mold 2, and the press material W is sequentially pressed when the upper mold 2 is lowered and matched with the lower mold 3. ing.
[0019]
A base 4 formed in a rectangular shape is provided close to the lower die 3 side of the press device 1, and a long first guide rail 5 extending in the direction of the lower die 3 is disposed on the upper side. The second guide rails 6 are juxtaposed at intervals on the side thereof. The first guide rail 5 extends from the rear end of the base 4 in the vicinity of the front end in the direction of the pressing device 1, and the second guide rail 6 extends from the middle of the base 4 in the direction of the pressing device 1. It extends to.
[0020]
The first guide rail 5 is movably provided with a first transport device 7 as shown in the plan view of FIG. 3, the front view of FIG. 4, and the side view of FIG.
That is, a support member 8 is movably provided on the first guide rail 5 so as to straddle the first guide rail 5, and a main body member 10 having a rotatable pulley 9 is fixed to the upper portion thereof. Has been. Further, a bracket 12 is provided on the front end side of the upper portion of the main body member 10 with an attachment member 11 interposed therebetween, and a claw piece 13 extending toward the pressing device 1 is provided on the upper portion thereof. Further, a cylinder 14 that is operated by liquid or gas is provided on the pressing device 1 side of the bracket 12, and the rod 14 a extends upward through the bracket 12. A claw piece 15 facing the claw piece 13 on the bracket 12 side is provided at the tip of the rod 14a so as to be movable up and down. Then, when the cylinder 14 is operated and the rod 14a extends upward, the claw piece 15 rises and securely holds the press material W together with the claw piece 13 and when the rod 14a descends, 15 is open.
[0021]
A fixing member 16 formed in a plate shape is provided on the upper rear end side of the attachment member 11, and a pulley 18 is rotatably provided on the rear end side with an attachment member 17 interposed therebetween, and a belt 18a. Is connected to a pulley 9 provided on the main body member 10. The pulley 18 is provided with a driving servo motor 19 that rotates forward and backward. When the servo motor 19 operates and rotates forward, the main body member 10 is guided by the first guide rail 5 and moves forward in the direction of the press device 1, and when the servo motor 19 rotates reversely, the main body member 10 is guided by the first guide rail 5 and retracts to a predetermined position.
[0022]
The second guide rail 6 is movably provided with a second transport device 20 as shown in the plan view of FIG. 6, the front view of FIG. 7, and the side view of FIG.
That is, the second guide rail 6 is provided with the ball screw 21 in the longitudinal direction, and both ends thereof are rotatably supported by the bearing members 22a and 22b. The ball screw 21 on the bearing member 22a side is connected to a servomotor 23 for driving that rotates forward and backward, and applies a rotational force to the ball screw 21.
[0023]
The ball screw 21 is provided with a guide member 24 that moves forward and backward toward the press device 1 by the rotation of the ball screw 21, and a plate 25 is provided above the guide member 24. A bracket 26 is disposed on the top of the plate 25, and one support member 26a is rotatably provided with a pulley 28 supported by a bearing 27 on the plate 25 side, and also in the vicinity thereof. A pulley 29 is rotatably provided. Further, a belt 30 is stretched between the pulleys 28 and 29, and one pulley 29 is provided with a driving servo motor that rotates forward and backward, not shown.
[0024]
An LM guide 31 that can move up and down is provided on the other side of the bracket 26, and a holder 32 is provided on a side surface thereof. The holder 32 is provided with an L-shaped arm 34 with a support member 33 interposed therebetween, and one end of the L-shape is directed in the direction of the press device 1 so as to move along the first guide rail 5. It extends. The arm 34 rotates clockwise when the servo motor (not shown) connected to the pulley 29 rotates in the reverse direction, and the arm 34 rotates in the longitudinal direction of the first guide rail 5 when rotated forward. It comes to follow.
[0025]
A cylinder 35 that is operated by gas or liquid is provided at the rear part of the arm 34 on the side along the first guide rail 5, and the rod 35 a is supported by the guide 36 and extends in the direction of the press device 1. The arm 34 is provided with a link 38 that can be swung by a shaft member 37. A claw piece 39 that extends downward is provided at one end of the arm 34, and the other end extends sequentially upward to a pin 35b of the rod 35a. The long hole is locked.
[0026]
A claw piece 40 corresponding to the claw piece 39 on the link 38 side is provided at the tip of the arm 34, and the claw piece 39 is pressed together with the claw piece 40 when the cylinder 35 is operated to advance the rod 35a. When the material W is gripped and the rod 35a is retracted, the claw piece 39 swings upward together with the link 38 so that both the claw pieces 39, 40 are opened. A cam follower 42 is rotatably provided at the lower portion of the holder 32 with a bracket 41 interposed therebetween. When the servo motor 23 connected to the ball screw 21 rotates in the forward direction, the second transport device 20 is guided by the second guide rail 6 and moves forward in the direction of the press device 1. When reversely rotated, the second transport device 20 is guided by the second guide rail 6 and retracts to a predetermined position.
[0027]
A moving device 43 as shown in the plan view of FIG. 9, the front view of FIG. 10, and the side view of FIG. 11 is provided close to the second guide rail 6 on the press device 1 side of the base 4. .
That is, a plate-like plate 44 having two rails 44a and 44b formed on the upper surface is fixed to the upper portion of the base 4, and the rails 44a and 44b of the fixed plate 44 and guides on both sides are fixed on the upper surface. A moving plate 46 that is guided by 45a and 45b and is movable in a direction perpendicular to the second guide rail 6 is provided. A cam plate 47 is erected at the center upper portion of the moving plate 46, and is formed so as to gradually increase from the press device 1 side to the rear of the base 4, and thereafter to a constant height. Further, a cylinder 48 that is operated by gas or liquid is provided in the vicinity of the fixed plate 44, and the rod 48 a is provided on the moving plate 46 with a connecting member 49 interposed therebetween.
[0028]
Then, when the cylinder 48 is operated and the rod 48a moves forward, the cam follower 42 of the second transport device 20 that moves backward rides on the cam plate 47 and moves while being guided, and the second transport device 20 is retracted upward. It has come to be. Further, when the rod 48a is retracted, the cam follower 42 does not ride on the cam plate 47, and the second conveying device 20 passes through the side thereof.
[0029]
[Action]
In the press material supply apparatus configured as described above, the supply method will be described.
First, in a state where the cam plate 47 of the first transfer device 7, the second transfer device 20, and the moving device 43 is retracted to a predetermined position, the plan view of FIG. 3, the front view of FIG. As shown in the side view, a long press material W is supplied between the claw piece 13 and the claw piece 15 of the first conveying device 7, and the cylinder 14 is operated to be provided at the tip of the rod 14a. The nail piece 15 is lifted and gripped. Then, when the press working of the press device 1 is started and the plurality of upper dies 2 are lowered in the direction of the lower die 4, the servo motor 19 is also rotated in the forward direction so that the first transport device 7 is moved to the first guide rail 5. Are moved in the direction of the press device 1, and the press material W is successively supplied between the plurality of pairs of press dies 2 and 3 to perform press work.
[0030]
Then, while the press material W is supplied by the first conveying device 7 and the pressing process is continued, the servo motor 23 connected to the ball screw 21 is operated in the forward direction so that the second conveying device 20 is moved. It moves along the second guide rail 6 in the direction of the pressing device 1. At this time, the cylinder 35 of the second transport device 20 is operated, the rod 35a is retracted, the ring 38 is swung, and the two claw pieces 39 and 40 are moved in an open state. At this time, the positional relationship between the first transfer device 7 and the second transfer device 20 is substantially the same as that of the claw pieces 39 and 40 of the second transfer device 20 and the claw pieces 13 and 15 of the first transfer device 7. The rod 35a of the cylinder 35 is extended at the same time as the press material W is inserted between the claw pieces 39, 40 of the second transport device 20 and moved in synchronism with each other. It is gripped by 40. The timing at this time is when the first transport device 7 is stopped instantaneously in a state where the press device 1 is processing the press material W, or the first transport device 7 and the second transport device 20. Can be performed in synchronization with the movement speed.
[0031]
At the same time that the press material W is gripped and replaced by the second transport device 20, the first transport device 7 moves back to the original position by the reverse rotation operation of the servo motor 19, and the next press material W is the same as described above. The claw pieces 13 and 15 are gripped and moved behind the second conveying device 20, and the tip of the press material W is supplied to the press dies 2 and 3 by the second conveying device 20. It is located at the rear end and is conveyed synchronously. On the other hand, the press material W gripped and replaced by the second transport device 20 is continuously supplied to the press dies 2 and 3 at the same speed as the supply speed of the first transport device 7 to perform the press work. Is called.
[0032]
When the cam follower 42 of the second transport device 20 passes by the side of the cam plate 47, the cylinder 48 of the moving device 43 is activated and the moving plate 46 provided on the rod 48 a is moved to the second guide rail 6. The cam plate 47 is positioned at a predetermined position. At the same time, the first conveyance device 7 moving to the rear of the second conveyance device 20 moves in the same manner as described above, and the tip of the press material W gripped by the claw pieces 13 and 15 is the second conveyance device. It is conveyed while moving to the position of the rear end of the press material W gripped by 20 and supplied to the press molds 2 and 3.
[0033]
Then, at the same time as the press work of the press material W supplied by the second transport device 20 is completed, the servo motor 23 rotates reversely and the second transport device 20 moves backward. At this time, the cam follower 42 provided in the second transport device 20 rides on the cam plate 47 of the moving device 43, and the arm 34 of the second transport device 20 moves while retracting upward and is connected to the pulley 29. The provided servo motor (not shown) operates, the second transfer device 20 arm 34 rotates clockwise, and scrap (not shown) held by the claw pieces 39 and 40 is discarded. The Further, when the second transport device 20 is further retracted and the cam follower 42 is detached from the cam plate 47, the servo motor rotates in the reverse direction and the arm 34 of the second transport device 20 is moved in the longitudinal direction of the first guide rail 5. Return along the direction. Further, simultaneously with the retreat of the arm 34 of the second conveying device 20, the press material W conveyed by the first conveying device 7 located at the rear is supplied to the press dies 2 and 3 and continuously pressed. Processing is performed. Thereafter, the press work to the press material W is repeatedly performed according to the above supply method.
[0034]
In the above-described embodiment, a plurality of pairs of press molds of the press apparatus have been described. However, the press material supply method and apparatus of the present invention are not limited to the above. One press mold may be used.
[0035]
【The invention's effect】
As described above, in the method and apparatus for supplying a press material according to the present invention, when the long press material is sequentially and continuously supplied to the press mold of the press device, the press material is supplied by the first conveying device. While being held and supplied to the press mold, while the press material is being supplied to the press mold by the first transfer device, it is held by the second transfer device and continuously supplied to the press die. Since it did in this way, the sun cycle time at the time of carrying a long press material into a press die can be shortened. In addition, since the press material is held and supplied from above and below when supplying the press material, the setting of the press material to the press mold of the press device can be improved, and the press molded product after press molding The occurrence of molding defects can be prevented.
[0036]
[Brief description of the drawings]
FIG. 1 is a plan view of a press material supply apparatus according to the present invention.
FIG. 2 is a front view of a press material supply apparatus according to the present invention.
FIG. 3 is an enlarged plan view showing a first conveying device constituting the press material supply device according to the present invention.
FIG. 4 is an enlarged front view showing a first conveying device constituting the press material supply device according to the present invention.
FIG. 5 is an enlarged side view showing a first conveying device constituting the press material supply device according to the present invention.
FIG. 6 is an enlarged plan view showing a second transport device constituting the press material supply device according to the present invention.
FIG. 7 is an enlarged front view showing a second conveying device constituting the press material supply device according to the present invention.
FIG. 8 is an enlarged side view showing a second conveying device constituting the press material supply device according to the present invention.
FIG. 9 is an enlarged plan view showing a moving device constituting the press material supply device according to the present invention.
FIG. 10 is an enlarged front view showing a moving device constituting the press material supply device according to the present invention.
FIG. 11 is an enlarged side view showing a moving device constituting the press material supply device according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Press apparatus 2 Upper mold | type 3 Lower mold | type 4 Base 5 1st guide rail 6 2nd guide rail 7 1st conveying apparatus 13 Claw piece 15 Claw piece 20 2nd conveying apparatus 39 Claw piece 40 Claw piece 42 Cam follower 43 Moving device 44 Cam plate

Claims (1)

A press material supply device that continuously feeds a long press material to a press die of a press device by a conveying device and performs press processing, and a base provided in the vicinity of the press device; The first guide rail and the second guide rail provided side by side on the base, and the first guide rail are movably provided on the first guide rail, and hold the press material and supply it to the press die. And a second guide rail which is movably provided on the second guide rail, and the press material conveyed by the first conveyance device is gripped in the middle thereof and continuously supplied to the press mold. And a moving device that retracts the second conveying device upward only at the time of retreating when the processing of the press material supplied by the second conveying device is completed. Second on the base side It is characterized by comprising a cam mechanism provided so as to be movable in a direction perpendicular to the conveying device, and a cam follower provided on the second conveying device side and guided by the cam mechanism only when retreating. Press material supply equipment.

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