JPH084857B2 - Press machine - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a press machine,
More specifically, the present invention relates to a press machine for punching a component having a desired shape from a plate material and performing various press workings such as punching and bending on the component.

[0002]

2. Description of the Related Art Conventionally, in the case of forming a component punched into a desired shape from a plate material and subjected to various press workings such as punching and bending, for example, a component such as a mask spring as shown in FIG. First, a plate material having a desired outer shape as a mask spring is punched out, and then the punched parts are put into individual press working machines for punching and bending, and various press workings are performed on the parts. Was being given.

Here, the mask spring is a component used inside a cathode ray tube, for example, as shown in FIG. 10, and holds a mask frame inside the cathode ray tube.

[0004]

However, as described above, when the parts punched out from the plate material are put into individual press working machines, the parts punched out by hand must be conveyed and put into each press working machine. It requires complicated work. For this reason, it has been desired to automate the work of punching parts from the plate material and performing a series of press workings. However, if the work is automated by a known transfer robot or the like, not only the entire apparatus becomes large, but also a large amount of equipment is required. Investment is required.

The present invention has been made in view of the above circumstances, and an object thereof is to easily realize automation of a series of operations for performing press working on a part punched from a plate material. It is to provide a possible press machine with a simple structure.

[0006]

The means adopted by the present invention for solving the above problems will be described with reference to the reference numerals used in the drawings. "A pair of parts 2 having a desired shape is punched out from a plate material 1" A punching stage 10 having a punching punch 11 and a punching die 12; a standby stage 20 adjacent to the punching stage 10 for waiting the component 2 conveyed from the punching stage 10; and a standby stage 20 adjacent to the standby stage 20. And a press working stage 30 having a pair of press working punches 35 and a press working die 36 for pressing the part 2 conveyed from the standby stage 20, and the press working stage 30 is provided adjacent to the press working stage 30.
A unloading stage 40 for unloading the component 2 transported from the press working stage 30 is provided in series, and is supported vertically in a punching die 13 formed in the punching die 12 to punch out the punched component 2. This component 2 is punched out by placing it on the upper surface and descending.
2 is provided with a lifting body 14 for carrying on a carrying surface 15 below,
By reciprocating on the carrying surface 15 in the arrangement direction of each stage and advancing toward the next stage, the carrying surface 15
An extrusion rod 50 that pushes the upper part 2 and conveys it to the standby stage 20, and the extruding rod 50 arranged side by side through the parts 2 respectively located on the standby stage 20 and the press working stage 30, can sandwich the respective parts 2 And a pair of conveying claws 60 that reciprocate in the same direction in conjunction with the extrusion rod 50.

[0007]

Next, the operation of the press machine 100 of the present invention thus constructed will be described below together with its operating state.

A press machine 100 of the present invention, as shown in FIG. 1, for example, has a pair of punching punches 11 for punching a component 2 having a desired shape from a plate 1 and a punching stage 10 and a punching stage 10. A standby stage 20 adjacent to the stage 10 for waiting for the component 2 conveyed from the punching stage 10, and a pair of press stages for the component 2 adjacent to the standby stage 20 and conveyed from the standby stage 20. A press working stage 30 having a press working punch 35 and a press working die 36, and adjacent to the press working stage 30,
A carrying-out stage 40 for carrying out the component 2 carried from the pressing stage 30 is provided in series.

That is, in this press working machine 100, the component 2 punched from the plate material 1 in the punching stage 10 is passed through the standby stage 20 and the press working stage 30.
And then various press workings such as punching and bending are performed on the press working stage 30 and the carry-out stage 4 is carried out.
It conveys to 0 and carries out, and is a series of automated processes from punching of parts 2 to press working. It should be noted that the transportation of the component 2 between the stages is performed by a simple configuration as described later.

First, in the punching stage 10, a punching punch 11 and a punching die 12 are used to punch the plate material 1 into a component 2 having a desired shape. Here, for example, as shown in FIGS. 6A to 6C, the lifting body 1 supported in the punching die 13 of the punching die 12 is liftably supported.
The punched component 2 is placed on the upper surface of the elevating body 14. Then, the component 2 placed on the upper surface of the lifting body 14 is transported to the transportation surface 15 below the punching die 12 by the lowering of the lifting body 14.

Next, the component 2 transferred onto the transfer surface 15
For example, as shown in FIGS. 6 (c) and 6 (d), the extrusion rod 50 that reciprocates on the conveying surface 15 in the arrangement direction of each stage is advanced to the standby stage 20 by advancing in the next stage direction.

Next, the component 2 transported to the standby stage 20 is sandwiched by a pair of transport claws 60 arranged side by side through the component 2, as shown in FIGS. It is conveyed to the pressing stage 30 by advancing in the direction of the next stage. Here, since the transport claw 60 reciprocates in the same direction as the push rod 50 in conjunction with the above-described push rod 50, the transport claw 60 transports the component 2 from the standby stage 20 to the press working stage 30. This is performed at the same time when the component 2 is conveyed from the punching stage 10 to the standby stage 20 by the above-described push-out rod 50.

Finally, the component 2 that has been subjected to various press workings in the press working stage 30 is carried out by the carrying claws 60 described above, as shown in FIGS.
And is carried out by the carry-out stage 40.

The parts 2 punched out of the plate material 1 by the punching stage 10 in this manner are successively conveyed to the waiting stage 20 by the pushing rod 50, and the waiting stage 2
The component 2 conveyed to 0 is conveyed to the press working stage 30 by the conveying claw 60 every time the component 2 is supplied from the punching stage 10 to the standby stage 20, and is subjected to press working, and the press working is performed. Processing stage 30
Each time the component 2 is supplied from the standby stage 20 to the pressing stage 30, the component 2 is transported to the unloading stage 40 by the transporting claw 60 and is unloaded.

As described above, this press machine 100
Is to reliably convey the component 2 to each stage with a simple structure and perform a series of processes from punching to pressing by each stage. Therefore, it is possible to easily automate a series of processes from punching to pressing, which conventionally require manual work.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a press machine 100 according to the present invention will be described in detail with reference to the drawings.

1 to 4 show an embodiment of a press working machine 100 according to the present invention. Here, in each drawing, a schematic view of each stage, the extrusion rod 50, and the conveying claw 60 is shown. In this embodiment, the mask spring used in the cathode ray tube as shown in FIGS. 9 and 10 is used as a component 2 for press working, and after punching from the plate material 1, a hole is formed to form a through hole for the mask spring. Three types of press work are performed: chamfering to form the surface of the through hole and bending to form the bent portion of the mask spring. Therefore, the pressing stage 30 is
The press working machine according to the present invention comprises a first press working stage 31 for punching, a second press working stage 32 for chamfering, and a third press working stage 33 for bending. The number 100 is not limited to this, and may be any one including at least one pressing stage 30.

First, punching and press working are performed, and as shown in FIG. 1, the punching stage 10, the standby stage 20, and the first to third press working stages 31, 32, 33 are respectively processed. When the conveying claw 60 is closed (arrow D) when the component 2 is located, as shown in FIG. 2, the component 2 of the standby stage 20 and each of the first to third press working stages 31, 32, Each part 2 of 33 is
It is clamped by the closed conveyance claw 60.

Next, as shown in FIG. 2, when the push rod 50 and the transfer claw 60 in conjunction with this move forward in the direction of the next stage (arrow E), as shown in FIG.
The component 2 of No. 0 is pushed by the extrusion rod 50 and is conveyed to the standby stage 20, and the component 2 of the standby stage 20 sandwiched by the conveying claws 60 and the first to third pressing stages 31, 32. , 33 are transported to the next stage.

Next, as shown in FIG. 3, when the carrying claw 60 is opened (arrow), each component 2 carried to the next stage is released from the carrying claw 60 as shown in FIG. here,
The part 2 opened by the carry-out stage 40, that is, the part 2 that has been subjected to a series of processes, is carried out of the press machine 100 by, for example, dropping downward (arrow G).

Finally, as shown in FIG. 4, when the push-out rod 50 and the transfer claw 60 in conjunction with this move backward in the direction of the previous stage (arrow H), the initial state shown in FIG. 1 is obtained.
When the push-out rod 50 and the conveying claw 60 move backward, punching is performed in the punching stage 10 and various press workings are performed in each press working stage 30.

On the other hand, as shown in FIGS. 5 and 6, in the punching stage 10, a pair of punching punches 11 is provided.
The component 2 having a desired shape is punched from the plate material 1 by the punching die 12. The elevating body 14 is supported in the punching die 13 of the punching die 12 so as to be able to move up and down, and the punching punch 11 descends. When the plate material 1 is punched (FIG. 6A), the punched component 2 is placed on the upper surface of the elevating body 14 (FIG. 6B). And
When the punching of the plate material 1 is completed, the punching punch 11 rises. At this time, the elevating body 14 further descends to convey the component 2 onto the conveying surface 15 (FIG. 6).
(C)). Then, as described above, the push rod 50 advances to push the component 2 on the transport surface 15 and transport the component 2 to the standby stage 20 (FIG. 6D).

Further, as shown in FIG. 7, the standby stage 2
As described above, the component 2 that is transported to 0 and is positioned on the transport surface 15 of the standby stage 20 is sandwiched by the transport claws 60 and is the first pressing stage 3 that is the next stage.
It is transported to 1. As shown in FIG. 8, in the first pressing stage 31, the component 2 is placed on the upper surface of the holding body 34 whose upper surface is located at the same height as the transport surface 15. A magnet is provided on the upper surface of the holder 34 so that the placed component 2 is prevented from being unintentionally displaced.

The holder 34 is biased by a spring in the direction of the press working punch 35, and is pressed against the press working punch 35 as the press working punch 35 descends when the component 2 is pressed. It is designed to be lowered (FIG. 8 (a)). Then, when the holding body 34 descends, the component 2 placed on the upper surface of the holding body 34 becomes
The press die 37 is positioned and housed in the press die 37 along the press die 37, and the press punch 35 and the press die 36 that have descended perform the press work (FIG. 8B). The second press working stage 32 and the third press working stage 33 are also similarly configured.

In this embodiment, an air ejection port (not shown) for ejecting air is provided on the lower surface of the punching punch 11 of the punching stage 10, and air is ejected from the air ejection port during punching. By doing so, the component 2 is prevented from adhering to the punch side. Here, on the lower surface of each press punch 35 of the first to third press stages 31, 32, 33,
The air jet ports may be provided as described above to prevent the component 2 from adhering to the punch side even in each press working.

If the component 2 is not sandwiched by the transport claws 60 and is not transported to the next stage for some reason, and remains on the punching stage 10 or the press working stage 30 for example, if the device is operated as it is, The remaining parts 2 may damage a part or the whole of the device. Therefore, in the present embodiment, a detection device (not shown) such as a limit switch is provided on the conveyance claw 60 so that it can be detected whether or not the component 2 is held by the conveyance claw 60. There is. By doing so, even if the component 2 is not clamped by the transporting claw 60 for some reason, it is possible to detect this and stop the device, and prevent damage to the device.

[0027]

As described in detail above, the press working machine of the present invention includes a punching stage for punching a component having a desired shape from a plate material, a standby stage for waiting a component conveyed from the punching stage, A press working stage for performing various press workings on the parts conveyed from the standby stage and a carry-out stage for carrying out the parts carried from this press working stage are provided. This is carried out by a conveying claw, and a series of processes from punching of parts to press working can be automated by a simple structure.

Therefore, according to the present invention, it is possible to provide a press machine having a simple structure, which can easily realize automation of a series of operations for press-processing a part punched from a plate material.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing an embodiment of a press machine according to the present invention.

FIG. 2 is a schematic plan view showing an operating state of the press machine shown in FIG.

3 is a schematic plan view showing an operating state of the press machine shown in FIG. 1. FIG.

FIG. 4 is a schematic plan view showing an operating state of the press machine shown in FIG. 1.

5 is a schematic plan view of a main part of the press machine shown in FIG.

6 is a cross-sectional view taken along the line AA in FIG.

7 is a sectional view taken along line BB in FIG.

FIG. 8 is a sectional view taken along line CC of FIG.

FIG. 9 is a perspective view showing an example of a mask spring.

FIG. 10 is a partially cutaway perspective view showing an example of a space between browns.

[Explanation of symbols]

 1 Plate Material 2 Parts 10 Punching Stage 11 Punching Punch 12 Punching Die 13 Punching Die 14 Elevating Body 15 Conveying Surface 20 Standby Stage 30 Pressing Stage 31 First Pressing Stage 32 Second Pressing Stage 33 Third Pressing Stage 34 Holding Body 35 Pressing Punch 36 Pressing Die 37 Press Die 40 Outgoing Stage 50 Extruding Rod 60 Conveying Claw 100 Pressing Machine

Claims (1)

[Claims] 1. A punching stage having a pair of punching punches and a punching die for punching a component of a desired shape from a plate material, and a standby stage which is provided adjacent to the punching stage and waits for the component conveyed from the punching stage. A press working stage having a pair of press working punches and a press working die, which is adjacent to the standby working stage and presses the parts conveyed from the standby working stage; A unloading stage for unloading a component transported from the stage is provided in series, and is supported up and down in a punching die formed in the punching die, and the punched component is placed on the upper surface and lowered. An elevating body that conveys this component onto the conveying surface below the punching die is provided by A push rod that reciprocates on the carrying surface in the direction in which the ledges are arranged and advances in the direction of the next stage to push the parts on the carrying surface and carry the parts to the standby stage; and a standby stage and a pressing stage. A press machine characterized by comprising a pair of conveying claws arranged side by side through respective positioned parts, opening and closing the respective parts so that they can be sandwiched, and reciprocating in the same direction in conjunction with the push-out rod.