JPH08238536A - Forging device - Google Patents

Abstract

PURPOSE: To execute desired forging by integrating a forging device cassette in a press device and actuating a forging device cassette with using a drive source of press device side so as to execute desired forging to make the device extremely compact. CONSTITUTION: A forging device is constituted so that a forging device cassette 9 is integrated in a press device 1, in this case, vertical motion is transmitted to the cassette 9 side through a vertical motion part 5 of press device 1 and rotation is transmitted to the cassette 9 side through a drive transmitting means 11 different from the drive source 3 of press device 1. The drive transmitting means 11 consists of a shaft 12 protruted/placed from the drive source 3 side of press device 1, a gear 14 fixed to the shaft 12, a gear 16 meshed with the gear 14, a shaft 18 fixed to the gear 16/extended downward, a gear 20 fixed to the shaft 18, a gear 22 meshed therewith and a shaft 24 fixed to the gear 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forging device,
The present invention relates to a device devised so that a desired forging process can be performed by using a drive source of the press device by incorporating the press device into the press device.

[0002]

2. Description of the Related Art As a forging device, for example, Japanese Unexamined Patent Publication No.
There are those disclosed in Japanese Patent Laid-Open No. 94948, Japanese Patent Laid-Open No. 3-94950, and Japanese Patent Laid-Open No. 3-94951.

[0003]

The above-mentioned conventional structure has the following problems. First, the device is large-scale and not easy to use, and it has not been possible to use it by incorporating it into an existing press device or the like and using the drive source of the press device as it is.

The present invention has been made on the basis of the above points. The object of the present invention is to incorporate it into a press machine and use a drive source of the press machine as it is to perform a desired forging process. It is to provide a forging device.

[0005]

In order to achieve the above object, a forging device according to the present invention comprises a punching means, a die means opposed to the punching means, and a die arranged on the side of the die means. Knockout means for pushing out the remaining work, carrying means for carrying the work, and a forging machine cassette consisting of cutting means for cutting the supplied wire rod to a work by cutting it into a predetermined length, by incorporating it in the press machine, It is characterized in that the forging machine cassette is configured to operate by using the drive source on the press machine side. At that time, it is conceivable that the punch means is moved up and down via the up-and-down moving part on the press device side, and the conveying means and the cutting means are reciprocally moved using the drive source on the press device side. It is also possible to move the knockout means up and down in synchronization with the up and down movement of the punch means. Further, it is conceivable to open and close the transport means by utilizing the vertical movement of the punch means.

[0006]

That is, in the case of the forging device according to the present invention, the punch means, the die means opposed to the punch means, the knockout means for pushing out the work remaining on the die means side in the die, the work A forging machine cassette is configured by a carrying means for carrying the above, and a cutting means for cutting a wire into a predetermined length to form a work, and the forging machine cassette is incorporated into a press machine, and a drive source on the press machine side is used. Then, the desired forging is realized.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The forging device according to the present embodiment is incorporated in an existing pressing device and uses its drive source to perform a desired forging process. Such a pressing device is shown, for example, in FIGS. 1 and 2. There is something like this.
FIG. 1 is a front view of the press device 1, and FIG. 2 is a side view of the press device 1. A drive source 3 is installed in the upper part of the press device 1, and a vertical movement unit 5 that moves up and down by power transmission from the drive source 3 is installed and a table 7 is installed.

The forging device according to the present embodiment is shown in FIGS.
As shown in FIG. 3, the forging apparatus cassette 9 is incorporated into the pressing apparatus 1 shown in FIG.
The vertical movement is transmitted to the forging apparatus cassette 9 side via the vertical movement section 5 on the side, and the rotation is transmitted from the drive source 3 of the press apparatus 1 to the forging apparatus cassette 9 side via another drive transmission means 11. I am trying to do it. The drive transmission means 11
Is a shaft 12 protruding and arranged from the drive source 3 side of the press device 1, and a gear 14 fixed to the shaft 12.
And a gear 16 meshing with the gear 14 and the gear 16
The shaft 1 is fixed and is extended downward in FIG.
8, a gear 20 fixed to the shaft 18, a gear 22 meshing with the gear 20, and a shaft 24 fixed to the gear 22. The transmission of the drive after the shaft 24 will be described in detail later.

The forging device cassette 9 is shown in FIGS.
The configuration is as shown in. First, the punch means 13
The punching means 13 is composed of a base 15 and a plurality of punching parts 17 (four in this embodiment) arranged on the lower side of the base 15 in FIG. A predetermined punch 19 is attached to each of the punch portions 17. Further, a projecting portion 21 is projectingly provided on the upper side of the base 15 in FIG. 4, and is vertically moved to the punching means 13 side through the vertically moving portion 5 on the press device 1 side and the projecting portion 21 already described. Motion is transmitted. Of the four punching units 17, the punching unit 17 arranged on the rightmost side in FIG. 4 is for discharging the work as a finished product.

The die means 23 is installed on the side facing the punch means 13, that is, on the lower side in FIG. The die means 23 includes a base 25. A plurality of guide shafts (four in this embodiment, only two in FIG. 6) are provided between the base 15 on the side of the punch means 13 and this base 25, as shown in FIG. 26 are arranged. One end of the guide shaft 26 is fixed to the base 25 side by fastening means 39, while the base 15 side is free. The fastening means 39 includes a male screw portion 28 provided at the lower end of the guide shaft 26 in FIG. 6, and nuts 41 and 43 screwed on both sides of the male screw portion 28 with the base 25 sandwiched therebetween. There is.

As shown in FIG. 4, the die means 23 is provided with a plurality (three in this embodiment) of die portions 27 arranged and arranged. A predetermined die 29 is installed in each of the plurality of dice portions 27. A work (not shown) is set in the die 29, and in this state, the punch means 17 side descends downward, so that the punch 19 performs a predetermined forging on the work in the die 29. Further, a work discharge unit 30 for discharging a work as a finished product is provided on the further right side of the die unit 27 located on the rightmost side in FIG.
The work as a finished product is held in the work discharge part 30 and is extruded and discharged in the direction shown by an arrow A in FIG. 4 by the punch 19 of the rightmost punch part 17 in FIG.

Knockout means 31 is attached to the die means 23 side. The knockout means 3
Reference numeral 1 denotes the plurality of (three in this embodiment) die parts 2
7, a plurality of (three) knockout parts 33 are arranged behind it, and another knockout part 33 is arranged on the left side in FIG. The knockout section 33 is for pushing out a workpiece that is cut and conveyed by the cutting means 49 described later. Knockout pins 35 are arranged in the respective knockout portions 33. Also, the knockout means 31
Is attached to a base 36, and the base 36 is connected by a plurality of (four in this embodiment) fastening means 40.
It is connected to the base 15 on the punching means 13 side. That is, when the work in the die 29 on the die means 23 side is forged, the punch means 13 side is lowered downward in FIG. As a result, the knockout pin 35 on the knockout means 31 side is also lowered. Next, when the predetermined forging is completed, the punch means 13 side is moved upward in FIG. 4, and the knockout pin 3 on the knockout means 31 side is lifted.
5 also rises. By raising the knockout pin 35, the work remaining in the mold 29 is pushed out upward. That is, by interlocking the vertical movement of the knockout pin 35 with the operation of the punch means 13,
The drive means for the knockout means 31 is unnecessary.

The fastening means 40 comprises a long bolt 42 and nuts 44 and 46, and the punching means 13 is provided.
Side pedestal 15 and knockout means 31 side pedestal 36 are connected, and the operation of knockout means 31 side is performed by punching means 1
The operation is synchronized with the operation on the 3rd side. Further, at the rear end of the knockout portion 33, as shown in FIG. 6, adjusting means 48 is provided. This adjusting means 48 is provided for the shaft member 5 arranged at the end of the knockout pin 35.
0 and an adjusting nut 52 screwed to the shaft member 50
It consists of and. Then, the adjustment nut 52 is appropriately loosened, and the shaft member 50 is pushed or pulled out to adjust the initial position of the knockout pin 35, whereby the knockout amount is appropriately adjusted and set. In addition, in FIG. 6, only at one place,
Although the structure of the adjusting means 48 is shown, such a thing is independently installed corresponding to each knockout part 33.

Further, as shown in FIG. 4, a material supply unit 45 is installed, and the material supply unit 45 bends a wire rod 47 continuously supplied linearly from a material supply source (not shown). It is to supply a predetermined amount while correcting the above. In addition, the wire rod 47 supplied from the material supply unit 45.
Is sent to the cutting means 49. The cutting means 49 includes a wire rod cutting die 51, a cutter member 53 arranged so as to reciprocate in the left-right direction in FIG. 4, and the cutter member 53.
And a material holding metal fitting 54 arranged on the upper side of the. And the tip of the wire 47 (tip of a predetermined length)
When is fed into the wire cutting die 51, its tip comes into contact with the material holding fitting 54, and further feeding is restricted. In this state, the cutter member 53 reciprocates in the horizontal direction in FIG. 4 to shear the tip of the wire 47. Then, the tip portion of the sheared wire rod 47 becomes the work already described, and is conveyed to a position directly above the knockout portion 33 located on the leftmost side in FIG.

The material supply section 45 is constructed as shown in FIG. First, the grip 60 at two locations,
62, and the grips 60, 62 are, for example,
It is composed of two split members, and each of them is openable and closable. Further, solenoids 64 and 66 are arranged. Then, by exciting the solenoids 64 and 66 and pushing the iron cores 64a and 66a, the gripping portions 60 and 6
2 is pressed to close it, and conversely, the solenoid 64,
The grip portions 60 and 62 are opened by retracting the iron cores 64a and 66a with the non-excitation 66. A pressing member 68 is arranged below the grip portion 60. As shown in FIG. 4, the pressing member 68 is appropriately pushed up by the pressing means 70 arranged below the pressing member 68.

When the wire rod 47 is supplied and cut, first, the wire rod 47 is gripped by the grip portion 60, and in this state, the pressing means 70 presses the pressing member 68,
The wire 47 is pushed up by the gripping portion 60. Thereby, as described above, the tip end of the wire rod 47 abuts on the material holding metal fitting 54, and then the cutter member 53.
This is cut by the forward movement of. After the cutting, the wire rod 47 is gripped by the grip portion 62, and the grip by the grip portion 60 is released. Hereinafter, by repeating the same operation, the wire 47 is sequentially cut at a predetermined length to obtain a work. The pressing operation of the tail pressure means 70 via the pressing member 68 is also performed by the knockout means 3 as shown in FIG.
Similar to the case of 1, it is executed in synchronization with the lifting operation of the punch means 13.

Further, the forging apparatus cassette 9 according to this embodiment is provided with a conveying means 61 as shown in FIG.
The transfer means 61 is provided with a pair of arms 63 and 65, and the same number of fingers 67 are attached to each of the arms 63 and 65. Then, the pair of fingers 67, 67 facing each other and forming a pair constitutes a set of transfer units, and a plurality of sets of transfer units grip the work in each process and transfer it to the next process. is there.

Further, the pair of arms 63 and 65 are shown in FIG.
It is designed to reciprocate in the horizontal direction. At the same time, the punch means 13 is also moved in the vertical direction in FIG.
The pair of fingers 67, 67 forming each set are opened and closed. It will be described with reference to FIGS. 7 and 8. First, the action members 69 and 71 are attached to the arms 63 and 65.
Are attached together. On the other hand, on the punching device 13 side, a rod body 73 having a tapered portion 75 at its tip is attached. Then, when the punch means 13 descends, the taper portion 75 of the rod body 73 causes the pair of action members 69 and 71 to move.
Intrudes in between. Thereby, the pair of acting members 6
The pair of arms 63 and 65 are expanded through 9, 71, and eventually the fingers 67 and 67 are opened. On the other hand, when the punching means 13 rises, the action of the taper portion 75 of the rod 73 is released, so that the pair of action members 69 and 71, that is, the pair of arms 63 and 65, are elastic members not shown. It will be closed by the elastic force of. Thereby, the fingers 67, 6
7 will also be closed.

Further, how the drive transmission means 11 shown in FIG. 3 reciprocates the pair of arms 63 and 65 of the conveying means 61 and the cutter member 53 of the cutting means 49 described above will be described. . That is, as shown in FIGS. 10 and 11, a rotary body 81 is fixed to the shaft 24 of the drive transmission means 11 shown in FIG. 3, and a pin 83 is interposed at an eccentric position of the rotary body 81. Thus, the link member 85 is rotatably connected. The link member 85 is connected to an eccentric position of the rotating body 89 via a pin 87. A pinion gear 93 is fixed to the rotary body 89 via a shaft 91. I have. When the rotation is transmitted to the shaft 24 through the drive transmission means 11, the rotating body 81 first rotates. As a result, the link member 85 reciprocates, whereby the rotating body 89 and the pinion gear 93 reciprocally rotate within a range of a predetermined angle (α °).

On the other hand, the arms 63 and 65 of the transfer means 61 are integrated via a member 95, and a rack gear 97 is formed on the surface of the member 95 on the side of the pinion gear 93. A rack gear 99 is also formed on the surface of the cutter member 53 of the cutting means 49 shown in FIG. 4 on the side of the pinion gear 93. And these rack gears 9
7, 99 are meshed with the pinion gear 93. Therefore, according to the configurations shown in FIGS. 10 and 11, when the pinion gear 93 rotates in one direction, the cutter member 53 advances and the carrying means 61 retracts. On the contrary, when the pinion gear 93 rotates in the other direction, the cutter member 53 moves backward and the conveying means 61 moves forward.

The operation and effect will be described based on the above configuration. First, the forging device cassette 9 according to the present embodiment is incorporated into a predetermined portion of the pressing device 1. As a result, the vertical movement is transmitted to the punch means 13 side via the vertical movement portion 5 on the press device 1 side, and the reciprocating movement is performed to the conveying means 61 and the cutting means 49 side via the drive transmission means 11. It will be transmitted. Then, the wire rod 47 which is linearly supplied from the wire rod supply source is supplied at a predetermined supply amount while the bend is corrected by the wire rod supply means 45, and the tip end thereof is inserted into the wire rod cutting die 51. To be done. In that state, when the cutter member 53 of the cutting means 49 moves forward, the cutter member 53 cuts the tip end portion of the wire rod 47 inserted into the wire rod cutting die 51 to form a work. The cut work is conveyed to a position directly above the knockout section 33 located on the leftmost side in FIG.

Then, the punch means 13 descends. Then, as the punching means 13 rises, the knockout means 31 rises, whereby the conveyed work is pushed upward from the inside of the cutter member 53, and the pushed work is leftmost of the conveying means 61. It is gripped by the pair of fingers 67, 67 positioned at, and is conveyed as it is to the position directly above the first-stage die 29. In this state, the punching means 13 performs the next lowering operation, and the punching unit 19 of the punching unit 17 located on the leftmost side is operated.
Thus, it is pushed into the first-stage die 29 and forged. At that time, the fingers 67, 67 of the conveying means 61 are opened.

When the punching means 13 is moved up after the forging is finished, the knockout means 31 is moved up in synchronization with it, and the knockout pin 35 pushes out the work remaining in the die 29. The extruded work is a set of a pair of fingers 67, 6 of the transfer means 61.
It is gripped by 7. Then, by the carrying operation of the carrying means 61, it is carried to the die 29 in the next step. Further, at that time, the next work is the die 29 of the first stage.
While being set inside, the newly cut work is conveyed to a position directly above the knockout section 33 in the first stage. Hereinafter, by repeating the same operation, the work is sequentially subjected to a predetermined forging process and is discharged through the discharging unit 30.

The present invention is not limited to the above embodiment. For example, the eye pressing device to be incorporated is not limited to the one shown in the figure, and may be applied to various types of pressing devices. Further, as a structure for reciprocating the conveying means and the cutting means, for example, a cam member may be used. Other than that, the configuration of each unit is not limited to the illustrated one.

[0025]

As described in detail above, according to the forging device of the present invention, the following effects can be obtained. First, by incorporating it into the existing press machine 1, the desired forging operation can be obtained by utilizing the drive on the press machine 1 side. In other words, the forging apparatus cassette 9 does not need to have any independent drive unit, and thus can be provided as an extremely compact unit. Also, looking at the structure of the forging apparatus cassette 9 itself, since the knock weight means 31 is adapted to operate in synchronization by utilizing the vertical movement of the punch means 13, a complicated and large-sized structure is not required, Also by this, the structure of the forging apparatus cassette 9 itself can be simplified. Also, the transport means 6
The opening and closing of each pair of fingers 67, 67 of No. 1 is realized by utilizing the vertical movement of the punch means 13 side as it is, and the configuration thereof is also extremely simple. Therefore, also by that, the structure of the forging apparatus cassette 9 itself can be simplified.

[Brief description of drawings]

FIG. 1 is a front view of a pressing device showing an embodiment of the present invention.

FIG. 2 is a side view of the pressing device showing the embodiment of the present invention.

FIG. 3 is a view showing an embodiment of the present invention and is a front view showing a state in which a forging device cassette is incorporated in an arbitrary position of a press device.

FIG. 4 is a cross-sectional view showing a configuration of punch means, die means, knockout means and the like of a forging apparatus cassette in a view showing an embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a configuration of a conveying unit of a forging apparatus cassette according to an embodiment of the present invention.

FIG. 6 is a side view of the forging apparatus cassette showing the embodiment of the present invention.

FIG. 7 is a view showing an embodiment of the present invention, and is a view showing a configuration for realizing opening and closing of an arm of a conveying unit.

FIG. 8 is a diagram showing an embodiment of the present invention, and is a diagram showing a configuration for realizing opening and closing of an arm of a conveying unit.

FIG. 9 is a view showing an embodiment of the present invention and is a cross-sectional view showing a configuration of a material supply unit.

FIG. 10 is a diagram showing an embodiment of the present invention, and is a diagram showing a configuration for performing reciprocating movement of a conveying means.

FIG. 11 is a diagram showing an embodiment of the present invention, and is a diagram showing a configuration for performing reciprocating movement of a conveying means.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Press device 3 Drive source of press device 5 Vertical moving part of press device 9 Forging device cassette 11 Drive transmission means 13 Punch means 23 Dice means 31 Knockout means 61 Conveying means

Claims (4)

[Claims] 1. A punching unit and a member facing the punching unit.
Die means arranged, knockout means arranged on the side of the die means to push out the work remaining in the mold, conveying means for conveying the work, and cutting the supplied wire rod to a predetermined length A forging machine comprising a forging machine cassette, which comprises a cutting means, and is configured to operate the forging machine cassette by using a drive source on the pressing machine side. 2. The forging device according to claim 1, wherein the punch means is moved up and down via a vertical movement part on the press device side, and the conveying means and the cutting means are reciprocally moved using a drive source on the press device side. A forging device characterized in that 3. The forging apparatus according to claim 2, wherein the knockout means moves up and down in synchronization with the up and down movement of the punch means. 4. The forging device according to claim 3, wherein the conveying means is opened and closed by utilizing the vertical movement of the punch means.