CN209755412U - Sheet floating punching mechanism - Google Patents

Abstract

the utility model discloses a sheet metal mechanism of punching a hole that floats, including blanking die, frame and die carrier, there is the slide top of frame through bolt fixed mounting, the top of slide is provided with the slider of mutually supporting with the slide, the slider is connected with the frame through the centering pressure spring, the top welding of frame has the fixed block, the welding of fixed block top has quick-witted case, the centre of machine case is provided with the punching needle, the one end of machine case is provided with die carrier and die holder, it remains to dash the material to set up between die holder and the die carrier. Sheet metal unsteady mechanism of punching a hole, the centering pressure spring can make the fixed slot get back to original position automatically under the effect of flexible pressure spring after the blanking, need not make its return through adjusting device, it is comparatively convenient, and practice thrift process time, the material returned spring of die carrier can prevent that thinner panel from releasing the damage when the material returned, improves the production qualification rate of blanking, reduces manufacturing cost.

Description

Sheet floating punching mechanism

Technical Field

The utility model relates to a mechanism field of punching a hole, in particular to sheet metal mechanism of punching a hole that floats.

Background

The punching refers to a process of punching various patterns on materials such as steel plates, leather, cloth, wood plates and the like to meet different requirements, the shapes of the punched holes generally include circular holes, cross holes, rhombic holes, hexagonal holes, punched plates, square holes and the like, even related shapes can be manufactured according to the required shapes, thinner materials are required according to the requirements of products, and the thin plates have higher requirements on the process or the blanking process. However, when the existing thin plate punching mechanism performs punching, particularly a horizontal punching machine fixes a blanking fixing plate between a die fixing frame and a die set, and the distance between the die fixing frame and the die set must be small so as to prevent the deformation of the plate during the punching and influence the punching quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the sheet metal mechanism of punching a hole that floats can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

Sheet metal mechanism of punching a hole that floats, including blanking die, frame and die carrier, the top of frame has the slide through bolt fixed mounting, the top of slide is provided with the slider of mutually supporting with the slide, the slider is connected with the frame through the centering pressure spring, the top welding of frame has the fixed block, the welding of fixed block top has quick-witted case, the centre of machine case is provided with the punching needle, the one end of machine case is provided with die carrier and die holder, it remains to dash the material to set up between die holder and the die carrier.

preferably, the centering pressure spring includes first connecting plate, guide way, second connecting plate, fixed slot, limiting plate, expanding spring and fly leaf, the limiting plate welding is in the frame, be provided with the fixed pin between the limiting plate, be provided with the fly leaf on the fixed pin, be provided with expanding spring between fly leaf and the limiting plate respectively, the fly leaf welding is on first connecting plate, the guide way has been seted up on the first connecting plate, first connecting plate welding is at the second connecting plate, the fixed slot has been seted up on the surface of second connecting plate, the centre gripping remains towards the material on the fixed slot, the second connecting plate welding is on the slider.

Preferably, the die carrier includes material returned spring, material returned board, fixed plate and fixed cover, fixed cover welding is on the die fixing frame, the punching needle is located the fixed cover, fixed cover is connected with the fixed plate through the bolt, be connected through the material returned spring between fixed plate and the material returned board.

Preferably, the blanking die is located in the die fixing frame, the punching hole is formed in the blanking die, and the punching hole is aligned with the punching needle.

Preferably, one end of the case is provided with a high-pressure oil cylinder, and the punching needle is fixed with the high-pressure oil cylinder.

Preferably, the material to be punched moves between the punch die fixing frame and the die frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

The utility model discloses in, be provided with the centering pressure spring, the centering pressure spring not only increases the interval between blanking mount and the frame, make the fixed slot get back to original position automatically under the effect of flexible pressure spring after the blanking moreover, the position that need not change the fixed slot through operating equipment, it is comparatively convenient, save process time, the material returned spring of die carrier can prevent that thinner panel from liberating the damage when the material returned, avoid pushing out panel by force and can make the sheet metal warp, thereby improve the production qualification rate of blanking, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the floating punching mechanism for thin plates of the present invention;

FIG. 2 is a schematic view of a fixing groove of the floating punching mechanism for thin plates according to the present invention;

FIG. 3 is a schematic view of a die holder of the floating punching mechanism for thin plates according to the present invention;

Fig. 4 is a schematic view of the die carrier of the floating punching mechanism for thin plates of the present invention.

In the figure: 1. blanking die; 2. centering the compression spring; 201. a first connecting plate; 202. a guide groove; 203. a second connecting plate; 204. fixing grooves; 205. a limiting plate; 206. a tension spring; 207. a movable plate; 208. a fixing pin; 3. a slider; 4. a frame; 5. punching a material to be punched; 6. a mold frame; 601. a material returning spring; 602. a material returning plate; 603. a fixing plate; 604. fixing a sleeve; 7. a high-pressure oil cylinder; 8. punching a needle; 9. a die holder; 10. punching; 11. a slide base; 12. a fixed block; 13. a case.

Detailed Description

in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the floating sheet punching mechanism includes a punching die 1, a frame 4 and a die carrier 6, a slide seat 11 is fixedly installed above the frame 4 through bolts, a slide block 3 mutually matched with the slide seat 11 is arranged above the slide seat 11, the slide block 3 is connected with the frame 4 through a centering compression spring 2, a fixed block 12 is welded above the frame 4, a case 13 is welded above the fixed block 12, a punching needle 8 is arranged in the middle of the case 13, the die carrier 6 and a punching die fixing frame 9 are arranged at one end of the case 13, and a material 5 to be punched is arranged between the punching die fixing frame 9 and the die carrier 6;

The centering compression spring 2 comprises a first connecting plate 201, guide grooves 202, a second connecting plate 203, fixing grooves 204, limiting plates 205, expansion springs 206 and movable plates 207, the limiting plates 205 are welded on the rack 4, fixing pins 208 are arranged between the limiting plates 205, the movable plates 207 are arranged on the fixing pins 208, the expansion springs 206 are respectively arranged between the movable plates 207 and the limiting plates 205, the movable plates 207 are welded on the first connecting plate 201, the guide grooves 202 are formed in the first connecting plate 201, the first connecting plate 201 is welded on the second connecting plate 203, the fixing grooves 204 are formed in the surface of the second connecting plate 203, materials to be punched are clamped on the fixing grooves 204, and the second connecting plate 203 is welded on the sliding block 3; the die set 6 comprises a material returning spring 601, a material returning plate 602, a fixed plate 603 and a fixed sleeve 604, the fixed sleeve 604 is welded on the die fixing frame 9, the punching needle 8 is positioned in the fixed sleeve 604, the fixed sleeve 604 is connected with the fixed plate 603 through a bolt, and the fixed plate 603 and the material returning plate 602 are connected through the material returning spring 601; the blanking die 1 is positioned in a die fixing frame 9, a punched hole 10 is formed in the blanking die 1, and the punched hole 10 is aligned with the punching needle 8; one end of the case 13 is provided with a high-pressure oil cylinder 7, and the punching needle 8 is fixed with the high-pressure oil cylinder 7; the material 5 to be punched moves between the die holder 9 and the die frame 6.

It should be noted that, the utility model relates to a sheet floating punching mechanism, when in use, the device is adjusted, then the material 5 to be punched is clamped in the fixing groove 204 of the second connecting plate 203, so that when the material 5 to be punched is moved, the expansion spring 206 of the centering compression spring 2 can move between the limiting plates 205, when the device punches, the high-pressure oil cylinder 7 drives the punching needle 8, the punching needle 8 can slowly extend in the fixing sleeve 604, then the punching needle 8 can contact with the material 5 to be punched, so that when the material 5 to be punched is pushed, the sliding block 3 under the second connecting plate 203 is driven to move along the sliding seat 11 on the frame 4, so that the first connecting plate 201 drives the movable plate 207 to move along the fixing pin 208, meanwhile, the guide groove 202 of the first connecting plate 201 moves along the machine case 13, until the material 5 to be punched contacts with the punching die 1 inside the die fixing frame 9, because the punching needle 8 punches the middle of the material 5 to be punched into the punching die, then the punching needle 8 is retracted through the high-pressure oil cylinder 7, the plate outside the thin plate is clamped on the punching needle 8 at the moment, when the punching needle 8 is received by the die carrier 6, the punching needle 8 is in contact with the material returning plate 602, the thin plate is slowly pushed out from the punching needle 8 by the material returning plate 602 under the action of the elastic force of the material returning spring 601 until the thin plate is pushed out, the deformation of the material returning plate 602 is small when the thin plate is pushed out, and the precision of a finished piece can be improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Sheet metal floating punching mechanism, its characterized in that: including blanking die (1), frame (4) and die carrier (6), there is slide (11) top of frame (4) through bolt fixed mounting, the top of slide (11) is provided with slider (3) of mutually supporting with slide (11), slider (3) are connected with frame (4) through centering pressure spring (2), the top welding of frame (4) has fixed block (12), the welding of fixed block (12) top has quick-witted case (13), the centre of quick-witted case (13) is provided with towards needle (8), the one end of quick-witted case (13) is provided with die carrier (6) and die fixing frame (9), it remains towards material (5) to set up between die fixing frame (9) and die carrier (6).

2. The floating sheet punching mechanism according to claim 1, wherein: the centering compression spring (2) comprises a first connecting plate (201), a guide groove (202), a second connecting plate (203), a fixing groove (204), limiting plates (205), a telescopic spring (206) and a movable plate (207), the limiting plates (205) are welded on the rack (4), a fixing pin (208) is arranged between the limiting plates (205), the movable plate (207) is arranged on the fixing pin (208), the telescopic springs (206) are respectively arranged between the movable plate (207) and the limiting plates (205), the movable plate (207) is welded on the first connecting plate (201), the guide groove (202) is formed in the first connecting plate (201), the first connecting plate (201) is welded on the second connecting plate (203), the fixing groove (204) is formed in the surface of the second connecting plate (203), and materials (5) to be punched are clamped on the fixing groove (204), the second connecting plate (203) is welded on the sliding block (3).

3. The floating sheet punching mechanism according to claim 1, wherein: the die carrier (6) comprises a material returning spring (601), a material returning plate (602), a fixing plate (603) and a fixing sleeve (604), the fixing sleeve (604) is welded on the die fixing frame (9), the punching needle (8) is located in the fixing sleeve (604), the fixing sleeve (604) is connected with the fixing plate (603) through a bolt, and the fixing plate (603) and the material returning plate (602) are connected through the material returning spring (601).

4. The floating sheet punching mechanism according to any one of claims 1 to 3, wherein: the blanking die (1) is positioned in the die fixing frame (9), a punched hole (10) is formed in the blanking die (1), and the punched hole (10) is aligned with the punching needle (8).

5. The floating sheet punching mechanism according to any one of claims 1 to 3, wherein: one end of the case (13) is provided with a high-pressure oil cylinder (7), and the punching needle (8) is fixed with the high-pressure oil cylinder (7).

6. The floating sheet punching mechanism according to any one of claims 1 to 3, wherein: the material (5) to be punched moves between the punch die fixing frame (9) and the die frame (6).