CN215090072U - Two-stage discharging blanking die - Google Patents

Abstract

The utility model belongs to the mould field, especially second grade blanking die of unloading, including cope match-plate pattern and lower bolster, the bottom fixed mounting of cope match-plate pattern has the upper die base, the bottom fixed mounting of upper die base has the blanking drift, the liftout pole hole has been seted up on the upper die base, installs the liftout pole in the liftout pole hole, upper die base top fixed mounting has the liftout pole that prevents changeing the piece corresponding with the liftout pole, and liftout pole below fixed mounting has the kicking plate, and the spring mounting tang has been seted up on the upper die base lower plane, the screw hole of unloading has been seted up on the cope match-plate pattern, installs the screw of unloading in the screw hole of unloading, and installs the stripper below the screw of unloading, the locating pin hole has been seted up to the stripper top, and the locating pin is downthehole to be equipped with the locating pin. The utility model discloses the practicality is good, increases second grade shedding mechanism, avoids fastener phenomenon to produce, avoids the production of dangerous operation, has promoted the stability of mould in the use, promotes mould life.

Description

Two-stage discharging blanking die

Technical Field

The utility model relates to the technical field of mold, especially, relate to second grade blanking die of unloading.

Background

According to the statistics of 'national die major plant basic conditions' compiled by the operation and management committee of the die industry association in China, the die in China is increased at the average speed of more than 15%, and the average increment is more than one time higher than that of the GDP in China. The development of the mold industry in China provides powerful support for the manufacturing industry, and meanwhile, the development of the manufacturing industry also promotes the development of the mold industry. China also becomes a large country for mold production, mold manufacturers in China have increased to more than 2 million families, workers have about 100 million people, and the total annual production value of the molds reaches 550 hundred million yuan RMB. And the wheel mold has a large proportion in the mold industry.

When the existing blanking die works, the lower die plate is fixed, the upper die plate is fixed on the upper table surface of a hydraulic machine and moves along with the hydraulic machine, a blank is arranged between a blanking punch and a blanking female die, the upper table plate of the hydraulic machine is pressed downwards, the upper die frame part uniformly descends, the discharging plate contacts the blank and plays a role of positioning and clamping together with a positioning rod at the edge, then the upper die frame continuously descends, polyurethane rubber between the discharging plate and the upper die plate starts to compress and store energy, the blanking punch continuously descends, blanking action is completed under the interaction of the blanking punch and the blanking female die, blanking shearing work is completed when the blanking punch enters the blanking female die by about 10MM, the hydraulic machine reaches a specified limit, descending action stops, the hydraulic machine ascends, and at the moment, the discharging plate has a downward function under the action of the polyurethane rubber which stores energy in advance, so that the blanking round cake is separated from the blank plate, discharging the blanking round cake through the blanking female die and the middle hole of the lower template, and releasing the positioning rod to extend to the next station after the blank plate is finished.

However, the existing discharging mechanism only presses the excircle of the round cake, the discharged round cake cannot be effectively separated from the blank plate, the round cake cannot be separated from the blank or is clamped on the blank plate, and if the round cake is separated from the blank plate, a worker needs to manually knock the round cake by using a heavy object to cause the round cake to fall off, so that the working efficiency is influenced, and danger is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a secondary discharging blanking die.

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

the secondary unloading blanking die comprises an upper die plate and a lower die plate, wherein an upper die base is fixedly installed at the bottom of the upper die plate, a blanking punch is fixedly installed at the bottom of the upper die base, an ejector rod hole is formed in the upper die base, an ejector rod is installed in the ejector rod hole, an ejector rod anti-rotation block corresponding to the ejector rod is fixedly installed above the upper die base, an ejector plate is fixedly installed below the ejector rod, a spring installation seam allowance is formed in the lower plane of the upper die base, an unloading screw hole is formed in the upper die plate, an unloading screw is installed in the unloading screw hole, a discharging plate is installed below the unloading screw, a positioning pin hole is formed above the discharging plate, a positioning pin is installed in the positioning pin hole, a seam allowance is formed above the lower die plate, a blanking female die and a female die pressing ring are fixedly installed at the seam allowance position of the lower die plate after thermal matching, and a positioning seat seam allowance is formed at one end of the upper plane of the lower die plate, the locating seat is fixedly installed at a seam allowance of the planar locating seat on the lower template, a clamping groove is formed in the locating seat, a locating rod is installed in the clamping groove, rotating pin holes are formed in the locating rod and the locating seat, the same rotating pin is installed in the two rotating pin holes in a rotating mode, the rotating pin is installed on the locating seat, and a suspension arm for a mold is installed on the lower template.

Preferably, the top of the lower template is provided with a female die pressing ring and a blanking female die.

Preferably, the stripper plate is mounted on the upper die plate by means of stripper screws.

Preferably, polyurethane rubber corresponding to the position of the positioning pin is arranged between the upper template and the stripper plate.

Preferably, a rectangular spring is arranged at a corresponding position between the upper die holder and the ejector plate.

The utility model discloses in, the blanking die of unloading of second grade, through the cope match-plate pattern, the upper die base, the screw of unloading, the stripper, the knockout bar, the flitch, the rotation block is prevented to the knockout bar, the blanking drift, the blanking die, the die clamping ring, the lower bolster, the positioning seat, the locating lever is the equipartition, during the blanking, earlier by the position of the fixed blank board of locating lever, the hydraulic press descends afterwards, the stripper is preferred to contact with the blank board with the knockout plate, with the fixed blank of locating lever combined action, accomplish the blanking action under the combined action of blanking drift and blanking die afterwards, when going upward at the hydraulic press, knockout plate and stripper combined action, make blanking cake and blank sheet metal separation, accomplish whole blanking work.

The utility model discloses the practicality is good, increases second grade shedding mechanism, avoids fastener phenomenon to produce, avoids the production of dangerous operation, has promoted the stability of mould in the use, promotes mould life.

Drawings

Fig. 1 is the utility model provides a two-stage discharging blanking die's schematic structure diagram.

In the figure: 1. a lower template; 2. positioning seats; 3. positioning a rod; 4. rotating the pin; 5. a urethane rubber; 6, upper template; 7. an upper die holder; 8. a knockout pin; 9. the material ejecting rod anti-rotation block; 10. a material beating plate; 11. a discharge screw; 12. blanking punch; 13. a stripper plate; 14. pressing a ring by a female die; 15. blanking female dies; and 16. a suspension arm for the mold.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, a two-stage discharging blanking die comprises an upper die plate 6 and a lower die plate 1, wherein an upper die base 7 is fixedly installed at the bottom of the upper die plate 6, a blanking punch 12 is fixedly installed at the bottom of the upper die base 7, an ejector rod hole is formed in the upper die base 7, an ejector rod 8 is installed in the ejector rod hole, an ejector rod rotation preventing block 9 corresponding to the ejector rod 8 is fixedly installed above the upper die base 7, an ejector plate 10 is fixedly installed below the ejector rod 8, a spring installation seam allowance is formed in the lower plane of the upper die base 7, a discharging screw hole is formed in the upper die plate 6, a discharging screw 11 is installed in the discharging screw hole, a discharging plate 13 is installed below the discharging screw 11, a positioning pin hole is formed above the discharging plate 13, a positioning pin is installed in the positioning pin hole, a seam allowance is formed above the lower die plate 1, a blanking die 15 and a die pressing ring 14 are fixedly installed at the seam allowance position of the lower die plate 1 after thermal matching, the locating seat tang is seted up to plane one end on the lower bolster 1, and planar locating seat tang fixed mounting has a locating seat 2 on the lower bolster 1, has seted up the draw-in groove on the locating seat 2, installs locating lever 3 in the draw-in groove, and has all seted up the commentaries on classics pinhole on locating lever 3 and the locating seat 2, rotates in two commentaries on classics pinholes and installs same commentaries on classics round pin 4, and changes round pin 4 and install on locating seat 2, installs 16 davits for the mould on the lower bolster 1.

The utility model discloses in, die clamping ring 14 and blanking die 15 are installed at lower bolster 1 top.

The utility model discloses in, stripper 13 is installed on cope match-plate pattern 6 through unloading screw 11.

The utility model discloses in, install the polyurethane rubber 5 that corresponds with the locating pin position between cope match-plate pattern 6 and the stripper 13.

The utility model discloses in, correspond the position and be equipped with the rectangle spring between cope match-plate pattern 7 and the kicking plate 10.

In the utility model, the working principle is that the upper die plate 6 is fixed on the upper table surface of the hydraulic press and moves up and down along with the movement of the hydraulic press, the blank is placed between the blanking punch 12 and the blanking die 15, the upper table plate of the hydraulic press is pressed down, the part of the upper die frame 6 is uniformly descended, the stripper plate 13 and the stripper plate 10 are simultaneously contacted with the blank, the blank and the positioning rod 3 at the edge jointly play the role of positioning and clamping, then the upper die frame continues descending, the polyurethane rubber 5 between the stripper plate and the upper die plate and the spring between the upper die base and the stripper plate start to compress and store energy, the blanking punch 12 continues descending, the blanking action is completed under the interaction of the blanking punch 12 and the blanking die 15, when the blanking punch 12 enters the blanking die 15 by about 10MM, the blanking shearing work is completed, the hydraulic press reaches the designated limit, the descending action stops, the hydraulic press ascends, and at the moment, the polyurethane rubber 5 and the spring which previously store energy jointly act, so that the discharging plate 13 and the knockout plate 10 have a downward function to separate the blanking round cake from the blank plate, and the blanking round cake is discharged through the blanking female die 15 and the middle hole of the lower template 1. After the blank plate is finished, the positioning rod is released and the blank plate is extended to the next station.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The two-stage discharging blanking die comprises an upper die plate (6) and a lower die plate (1), and is characterized in that an upper die base (7) is fixedly installed at the bottom of the upper die plate (6), a blanking punch (12) is fixedly installed at the bottom of the upper die base (7), an ejector rod hole is formed in the upper die base (7), an ejector rod (8) is installed in the ejector rod hole, an ejector rod rotation preventing block (9) corresponding to the ejector rod (8) is fixedly installed above the upper die base (7), an ejector plate (10) is fixedly installed below the ejector rod (8), a spring installation seam allowance is formed in the lower plane of the upper die base (7), a discharging screw hole is formed in the upper die plate (6), a discharging screw (11) is installed in the discharging screw hole, a discharging plate (13) is installed below the discharging screw (11), and a positioning pin hole is formed in the discharging plate (13), locating pin is downthehole to be equipped with the locating pin, the tang is seted up to lower bolster (1) top, and the tang position of lower bolster (1) has blanking die (15) and die clamping ring (14) through fixed mounting after the hot-mate, and the locating seat tang is seted up to plane one end on lower bolster (1), and planar locating seat tang fixed mounting has locating seat (2) on lower bolster (1), seted up the draw-in groove on locating seat (2), installed locating lever (3) in the draw-in groove, and all seted up the commentaries on classics pinhole on locating lever (3) and locating seat (2), two commentaries on classics downthehole rotations of pinning install same commentaries on classics round pin (4), and commentaries on classics round pin (4) install on locating seat (2), install davit (16) for the mould on lower bolster (1).

2. The secondary discharging blanking die of claim 1, wherein a female die pressing ring (14) and a blanking female die (15) are arranged at the top of the lower template (1).

3. A secondary blanking die for discharging according to claim 1, characterized in that the discharge plate (13) is mounted on the upper die plate (6) by means of discharge screws (11).

4. A secondary blanking die for discharging according to claim 1, characterized in that between the upper die plate (6) and the discharging plate (13) is mounted a polyurethane rubber (5) corresponding to the positioning pin position.

5. The secondary blanking die for unloading according to claim 1, characterized in that rectangular springs are arranged between the upper die base (7) and the ejector plate (10) in corresponding positions.

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