JPH04129520U - Turret punch press - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the workpiece plate material being processed from getting caught in tools such as punches and dies of the turret disk. [Structure] Flat cover plates 29 and 33 are provided between the turret disks 5 and 9 and the workpiece movement surface, and cover the surfaces of the turret disks 5 and 9 that face the workpiece movement surface. Access opening 37, 3
9 is provided, and the opening/closing member 4 for tool entry/exit openings 37 and 39 is provided.
7, 49 selectively closes.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a turret punch press, in particular a turret punch press facing the workpiece moving surface. The present invention relates to a turret punch press equipped with a turret disk.

0002

[Conventional technology]

A turret punch press consists of an upper turret disk that holds the punch and a die. A pair of upper and lower turrets each hold the mold, like a lower turret disk that holds the mold. It has a hard disk.

0003 Conventionally, the upper and lower turret disks were each disk-shaped and supported vertically at the center. It is arranged horizontally so that it can rotate around the vertical axis by a shaft, and it is arranged vertically at a predetermined distance on each disk surface. Place the workpiece moving surface (pass line surface) in between, with a feed clearance Multiple punches and dies are attached to each panel surface, and the upper and lower tabs The required punch and die are punched by the striker by split rotation of the let disc. It is adapted to be selectively located at the press working position.

0004

[Problem that the idea aims to solve]

In the above-mentioned turret punch press, the plate surface of the upper turret disk The punch attached to the turret disk and the die attached to the plate surface of the lower turret disk. are exposed to the workpiece moving surface, and the upper turret disc and lower turret Since the feed clearance between the feed disc and the feed disc is generally narrow, The workpiece is moved by the turret when the workpiece is moved and the turret disk is rotated. The disk may get caught in the punch or die, which may cause the workpiece to be cut during processing. There is a risk of scratches on the material.

[0005] This invention focuses on the above-mentioned problems with conventional turret punch presses. This means that the workpiece material being processed is the punch of the turret disc and the die of the die. For the purpose of a turret punch press that has been improved to avoid getting caught by tools such as There is.

[0006]

[Means to solve the problem]

According to the present invention, the above-mentioned purpose is to reduce the distance between the turret disk and the workpiece moving surface. A flat cover plate that covers the surface of the turret disk that faces the workpiece movement surface. is provided, and the cover plate is provided with an opening for entering and exiting the tool, and the tool is The access opening is configured to be selectively closed by an opening/closing member. This is achieved by a turret punch press.

[0007]

[Effect]

According to the above configuration, the surface portion of the turret disk facing the workpiece moving surface is flat. Covered by a plate-shaped cover plate, and the opening for tool entry and exit is in the closed position. Punches and dazzles that are attached to the turret disk by being closed by a member. All tools such as (i) are no longer exposed to the workpiece moving surface. During punching operation etc., when it is necessary to expose these tools to the workpiece moving surface, the opening/closing member is The open position opens the tool access opening, which allows the tool to The hole is exposed to the workpiece moving surface with an opening for entry and exit, and can perform punching operations, etc. It becomes like this.

[0008]

【Example】

Embodiments of the present invention will be described in detail below with reference to the drawings.

[0009] FIG. 1 shows an embodiment of a turret punch press according to the present invention. In Figure 1 Therefore, code 1 is the straight side type frame of the turret punch press as a whole. It shows. An upper turret support shaft 3 is attached to the upper frame 1a of the frame 1. A lower turret disk 5 is attached to the lower frame 1b of the frame 1 to support the lower turret. The lower turret discs 9 are mounted rotatably about their own central axes by shafts 7. It is being

0010 In the lower frame 1b of frame 1, there is a A movable side table 11 is provided. The side table 11 is made of paper shown in Figure 1. The carriage base 13 and the fixed connection extend in the direction (X-axis direction) that penetrates the plane at right angles. The carriage base 13 has a directional movement perpendicular to the plane of the paper in FIG. A carriage 15 is optionally mounted. Work clamp on carriage 15 17 is attached, and the work clamp 17 holds a workpiece plate material (not shown). It is designed to be held in a removable manner. Workpiece held by work clamp 17 The plate material is moved in the Y-axis direction along the path line PL with the top surface of the side table 11 as a reference. and can be moved in plane in the X-axis direction.

[0011] As shown in FIG. 2, an upper turret disk 5 and a lower turret disk 9 are indexed and rotated in synchronization with each other by a drive means (not shown). At each mold holding station according to the number of indexes, It holds a punch 19 and a die 21 as a punch press mold. Top sauce The punch 19 of the cut disc 5 is struck by the striker 23 at the punch action position. The die 21 is arranged to perform punching in cooperation with the die 21 located at the opposing position.

0012 On both sides of the upper turret disk 5 and the lower turret disk 9, as shown in FIG. As shown, a punch (lipo punch) 25 and a die (lipo die) are used for separating the product. ) 27 are provided. The punch 25 is a dedicated ram cylinder not shown. It is designed to be driven by a device.

[0013] There is an upper part between the upper turret disk 5 and the workpiece movement surface by the pass line PL. A flat plate covering the surface of the turret disk 5 facing the workpiece movement surface, that is, the lower bottom surface. The cover plate 29 is suspended from the upper frame 1a by a support member 31. Also, the relationship between the lower turret disk 9 and the workpiece moving surface by the pass line PL is In between, there is a flat surface that covers the surface of the lower turret disk 9 that faces the workpiece moving surface, that is, the upper surface. A support member 35 in which a plate-shaped lower cover plate 33 is erected from the lower frame 1b. It is established by Note that the lower cover plate 33 is attached to a fixing plate (not shown). It may be provided integrally with the cable.

[0014] The upper cover plate 29 and the lower cover plate 33 each cover the upper turret disk. 5, parallel to the pass line PL at a predetermined interval with respect to the lower turret disk 9. The upper cover plate 29 and the lower cover plate 33 each have a strut. A tool entry/exit opening 37 is provided in the part corresponding to the regular punching position by Leica 23. , 39 is the product separation position by the punch 25 and die 27 for product separation. Openings 41 and 43 for tool entry and exit are respectively formed in the parts corresponding to the lower cover. A tool entry/exit opening 45 is formed in the plate 33 at a portion corresponding to the tool exchange position. (See Figure 4).

[0015] Each of the tool entry/exit openings 37, 39, 41, 43, and 45 is opened and closed. Shutter devices 47, 49, 51, 53, and 55 are provided as opening/closing members. . The shutter devices 47, 49, 51, 53, 55 are shown in FIGS. 5(A) and 5(B). It is composed of multiple vanes, like a lens shutter with an aperture for a camera. It has a variable opening degree, that is, it can be selectively opened so that the degree of opening can be adjusted. It has become. The shutter devices 47, 49, 51, 53, and 55 are each in a closed state. The lower bottom surface of the upper turret disk 5 or the lower turret disk is Each opening 37, 39, 41, 43, 45 is closed substantially flush with the top surface of the disk 9. It looks like this.

[0016] In this case, the die 21 corresponds to the regular punching position by the striker 23, The dies 27 for separating the product are each operated by hydraulic cylinder devices 57 and 59 for floating the die. These dies 21 and 27 are moved up and down, and the upper surfaces of these dies 21 and 27 have openings 39 or 4 for tool entry and exit. 3 and protrudes upward from the lower cover plate 33. It is possible to move between the lower position and the lowered position below the rate 33.

[0017] Figure 6 shows the state when the turret disk is rotating or when the workpiece plate is moving. There is. In addition, the plate material to be processed is indicated by the symbol W in the figure, and the plate material to be processed W is the workpiece. A free wheel that is detachably attached to the outer edge of the lamp 17 while being held by the lamp 17. The bearing device B moves the lower cover plate 33 along the pass line PL. It is now possible to do so. When rotating the turret disc or moving the workpiece plate W. During operation, the dies 21 and 27 are in the lowered position and the tool entry and exit openings 37, 39, 41 , 43, 45 are all closed by shutter devices 47, 49, 51, 53, 55. It is. Therefore, at this time, the punch 19 of the upper turret disk 5, the lower turret The die 21 of the cutting disk 9, the punch 25 for separating the product, and the die 27 are all Upper cover plate 29 and lower cover plate 33, shutter devices 47, 49, 51, 53, and 55, and the plate material W to be processed is covered by the pan of the upper turret disk 5. 19, die 21 of the lower turret disk 9, punch 25 and die for separating the product. 27, and the workpiece plate W is prevented from getting caught on these. avoided.

[0018] FIG. 7 shows the punching operation state. At this time, the tool entry/exit opening 37 , 39, the punch 19 and the die 2 perform punching operations, respectively. 1, open it with just the right size according to the size of 1, and then open the die floating fluid pressure system. The cylinder device 57 is actuated to raise the die 21 to the raised position, and the upper surface of the die 21 is brought into contact with the tool. The lower cover plate passes through the shutter opening of the shutter device 47 of the door access opening 39. It protrudes upward from the point 33. At this time, die 21 is attached to the lower cover plate. It comes into contact with the lower bottom surface of the workpiece plate W on 33. Next, striker 23 When the punch 19 is pressed, the punch 19 closes the shutter of the tool entry/exit opening 37. The lower cover plate protrudes downward through the shutter opening of the data storage device 45 and extends downwardly from the shutter opening. It comes into contact with the upper surface of 33. As a result, punching is performed on the workpiece plate W. It will be done.

[0019] Separation of the product part of the workpiece plate W using the punch 25 and die 27 for product separation At the time of opening, the shutter devices 51 and 53 of the tool entrance and exit openings 41 and 43 are opened, and the tool openings 41 and 43 are opened. The die 27 is placed in the raised position by the hydraulic cylinder device 59 for floating the die. From now on, the product part of the workpiece plate W is punched using the punch 25 and the die 27 as usual. Detachment will now take place.

[0020] The punch 19 of the upper turret disk 5 can be replaced from the upper cover plate 29. The opening is performed between the upper support members 31, whereas the lower turret disc 9 The die 21 can be replaced by opening the shutter device 55 of the tool entry/exit opening 45. This is done by opening the shutter.

[0021] 8 to 11 show other embodiments of the turret punch press according to the present invention. . In this embodiment, parts corresponding to those shown in FIGS. 1 to 7 are shown in the figure. 1 to 7 are indicated by the same reference numerals. In this example, below The tool entry/exit opening 39 of the section cover plate 33 is opened by a sliding opening/closing lid 61. It is designed to be opened and closed. The opening/closing lid 61 is located at the bottom of the lower cover plate 33. It is guided by a guide rail 63 attached to the tool and aligns with the tool entry/exit opening 39. The upper slide holder 65 is movable between the alignment position and the alignment position. The lower cover plate It is pressed against the bottom surface of the plate 33. The slide holder 65 is the tool for opening and closing the lid 61. Figures 10 and 11 show that the door is aligned with the entrance/exit opening 39. As shown, the lower cover plate 33 fits into the tool access opening 39. It is designed to be closed flush with the top surface of.

[0022] The slide holder 65 is moved to and from the alignment position by a fluid pressure cylinder device 69. It is designed to be driven between the spaced position on the right side as viewed in FIGS. 8 to 10.

[0023] In this embodiment, the slide holder is moved by the operation of the fluid pressure cylinder device 69. 65 is moved between the alignment position and the separation position, the opening/closing lid 61 is opened. The opening for tool entry/exit is selectively aligned with the opening 39 for tool entry/exit, and the opening/closing lid 61 allows the opening for tool entry/exit. 39 is opened and closed.

[0024] Therefore, in this embodiment as well, the same functions and effects as in the above-mentioned embodiment can be obtained.

[0025] In the above, the present invention has been described in detail with regard to specific embodiments, but the present invention It is not limited to these examples, and various embodiments are possible within the scope of the present invention. It will be obvious to those skilled in the art.

[0026]

[Effect of the idea]

As understood from the above explanation, the turret punch press according to the present invention , the surface of the turret disk facing the workpiece moving surface is covered by a flat cover plate. and the tool access opening is closed by the opening/closing member in the closed position. This allows all tools such as punches and dies attached to the turret disc to Since the workpiece plate material being machined is not exposed to the moving surface of the turret disc, This eliminates the possibility of getting caught in tools such as punches and dies. No more scratches on the workpiece plate.

[Brief explanation of drawings]

FIG. 1 is an overall front view showing an embodiment of a turret punch press according to the present invention.

FIG. 2 is a front view of the main parts of the turret punch press according to the present invention.

FIG. 3 is a side view of the main parts of the turret punch press according to the present invention.

FIG. 4 is a plan view of the lower cover plate portion of the turret punch press according to the present invention;

5A and 5B are plan views showing the open and closed states of the shutter device used in the turret punch press according to the present invention, respectively; FIG.

FIG. 6 is an enlarged longitudinal cross-sectional view of the punching operation part of the turret punch press according to the present invention in a non-punching operation state;

FIG. 7 is an enlarged longitudinal cross-sectional view showing the punching operation portion of the turret punch press according to the present invention in a punching operation state;

FIG. 8 is a plan view showing the main parts of another embodiment of the turret punch press according to the present invention.

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

10 is a sectional view showing another embodiment of the turret punch press according to the present invention shown in FIGS. 8 and 9, with the tool loading/unloading opening closed; FIG.

FIG. 11 is a cross-sectional view along line XI-XI in FIG. 10;

[Explanation of symbols]

1 frame 5 Upper turret disc 9 Lower turret disc 11 Side table 13 Carriage base 15 Carriage 17 Work clamp 19 Punch 21 Dai 23 Striker 29 Upper cover plate 33 Lower cover plate 37 Tool entry/exit opening 39 Tool entry/exit opening 41 Tool entry/exit opening 43 Tool entry/exit opening 45 Tool entry/exit opening 47 Shutter device 49 Shutter device 51 Shutter device 53 Shutter device 55 Shutter device 61 Opening/closing lid 65 Slide holder

Claims (1)

[Scope of utility model registration request] 1. A flat cover plate is provided between the turret disk and the workpiece moving surface to cover a surface of the turret disk facing the workpiece moving surface, the cover plate is provided with an opening for entering and exiting the tool, and the cover plate is provided with an opening for entering and exiting the tool. A turret punch press characterized in that the tool entry/exit opening is configured to be selectively closed by a closing member.