CN209502948U - A flash punching die - Google Patents

Abstract

The utility model belongs to the technical field of the forming die technique and specifically relates to indicate a overlap blanking die, including the upper die base, with upper die base sliding connection's die holder, install in the upper die base and be used for carrying out the last cutter that cuts to the overlap of product, set up in the briquetting of upper die base, install in the die holder and be used for bearing the mold core of product, install in the mold core and be used for carrying out the lower cutter that cuts to the overlap of product, surround around the side cutting mechanism group that sets up all around in the mold core and be used for carrying out the overlap of product to cut and be used for the demoulding mechanism with the product drawing of patterns after cutting in the mold core, the briquetting is used for pressing the product in the mold core. The flash blanking die is reasonable in structural design, automatically cuts the flash of a product, greatly improves the efficiency of removing the flash, reduces the labor intensity and the cost, ensures the quality of removing the flash, and improves the qualification rate of the product.

Description

A flash punching die

technical field

The utility model relates to the technical field of molding dies, in particular to a flash blanking die.

Background technique

Die-cast products often have flash edges, which need to be processed, especially the throttle valves used on water heaters. Because the throttle valve shell has holes on all four sides, when producing the throttle valve shell, the die-casting mold needs to pull cores from all sides. , it is necessary to perform flashing treatment on the housing of the throttle valve, but manual removal of the flashing is cumbersome, the efficiency is very low, the labor intensity is high, and there are human factors, it is easy to miss the flash removal or the poor quality of the flash removal, It is difficult to guarantee the quality of flash removal from the housing of the throttle valve.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a flash blanking die, which has a reasonable structural design and can automatically cut the flash of the product, greatly improving the efficiency of flash removal and reducing labor costs. The strength and cost of the machine are high, and the quality of flash removal is guaranteed, which improves the qualification rate of the product.

In order to achieve the above object, the utility model adopts the following technical solutions:

A flash blanking die, which comprises an upper mold base, a lower mold base slidingly connected with the upper mold base, an upper cutter installed on the upper mold base and used for cutting the flash of a product, and an upper die set on the upper mold base. The briquetting block of the base, the mold core installed in the lower mold base and used to carry the product, the lower cutter installed in the mold core and used to cut the flash edge of the product, set around the mold core and used for the product The side cutting mechanism group for cutting the flash edge and the demoulding mechanism for demoulding the cut product in the mold core, and the pressing block is used to press the product into the mold core.

Further, the upper mold base is provided with a buffer assembly for buffering the briquetting block, and the buffer assembly includes a buffer plate, a pressing rod installed on the bottom surface of the buffer plate, and a buffer member arranged on the top surface of the buffer plate. The pressure block is installed on the pressure rod, and the buffer plate is connected with the upper mold base through the buffer piece.

Further, the upper mold base includes an upper mounting frame and an upper template installed on the upper mounting frame, a buffer space is provided between the upper mounting frame and the upper template, and the upper cutter is installed on the upper template, so The buffer plate is located in the buffer space, the buffer plate is connected to the upper installation frame through the buffer piece, and the pressing rod penetrates the upper formwork.

Further, the demoulding mechanism includes a demoulding cylinder installed on the bottom of the lower mold base and a pusher installed on the piston rod of the demoulding cylinder, and the pusher passes through the lower mold base, the mold core and the Lower the cutter.

Further, the side cutting mechanism group includes a first cutting mechanism, a second cutting mechanism, a third cutting mechanism and a fourth cutting mechanism, and the first cutting mechanism is set opposite to the third cutting mechanism , the second cutting mechanism is set opposite to the fourth cutting mechanism, and the first cutting mechanism, the second cutting mechanism, the third cutting mechanism and the fourth cutting mechanism respectively control the four sides or / and the flash of the side hole for trimming.

Further, the first cutting mechanism, the second cutting mechanism, the third cutting mechanism or/and the fourth cutting mechanism include a fixed seat installed on the lower mold base, a cutting cylinder installed on the fixed seat , The push block installed on the piston rod of the cutting cylinder and the side cutter installed on the push block.

Further, the side cutter includes a side hole cutter or/and a side edge cutter, the upper cutter includes an upper hole cutter or/and a top edge cutter, and the lower cutter includes a lower hole cutter or/and Bottom edge cutter.

Further, the fixed seat is equipped with a transverse guide sleeve, and the push block is equipped with a transverse guide rod slidingly fitted with the transverse guide sleeve.

Further, the upper mold base is provided with a longitudinal guide rod, and the lower mold base is provided with a longitudinal guide sleeve slidingly fitted with the longitudinal guide rod.

Further, the upper mold base is provided with an upper limit post, and the lower die base is provided with a lower limit post that conflicts with the upper limit post.

Beneficial effects of the utility model: the flash blanking die is installed on the stamping bed, so that the punch of the stamping bed is fixedly connected with the upper die base, and the lower die base is fixedly connected with the workbench of the stamping bed; during actual work, first Place the product in the mold core so that the product is carried on the lower cutter, the punch drives the upper die base to move close to the product, so that the pressing block presses the product into the mold core, at this time the lower cutter is against the bottom edge or/bottom hole of the product The flash in the inner hole is cut until the upper cutter cuts the top edge of the product or/and the flash in the top hole, and then the side cutting mechanism group cuts the side edge of the product or/and the flash in the side hole Cutting, so as to realize the cutting of the flash of the product, and finally the punch of the punching machine drives the upper die seat to reset, so that the upper die seat and the lower die seat are far away, and the demoulding mechanism will release the product after cutting the flash. Core, so that the processed products can be discharged manually or mechanically. The structural design of the flash blanking die is reasonable, and the flash of the product is automatically cut, which greatly improves the efficiency of flash removal, reduces labor intensity and cost, and ensures the quality of flash removal, improving The qualified rate of the product.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of an exploded structure of the utility model.

Fig. 3 is a three-dimensional structural schematic diagram of the buffer assembly, the upper mold base, the pressing block and the upper cutter of the present invention.

Fig. 4 is a three-dimensional structural schematic diagram of the side cutting mechanism group, the lower mold base, the lower cutter, the mold core and the pusher of the utility model.

Fig. 5 is a three-dimensional structural schematic diagram of the side cutting mechanism group and the demoulding mechanism of the utility model.

Explanation of reference signs:

1. Upper mold base; 11. Upper mounting frame; 12. Upper template; 13. Buffer space; 14. Longitudinal guide rod; 15. Upper limit column; 2. Lower mold base; 21. Longitudinal guide sleeve; 22. Lower limit Column; 23, fixed adjustment slot; 3, upper cutter; 4, briquetting block; 5, mold core; 6, lower cutter; 71, first cutting mechanism; 72, second cutting mechanism; 73, third cutting Cutting mechanism; 74, the fourth cutting mechanism; 75, fixed seat; 751, transverse guide sleeve; 76, cutting cylinder; 77, push block; 771, transverse guide rod; 78, side cutter; 781, side hole cutter ; 782, side cutter; 8, demoulding mechanism; 81, demoulding cylinder; 82, pushing material; 9, buffer assembly; 91, buffer plate;

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model.

As shown in Figures 1 to 5, a flash blanking die provided by the utility model includes an upper mold base 1, a lower mold base 2 slidingly connected with the upper mold base 1, and is installed on the upper mold base 1 and used The upper cutter 3 for cutting the flash of the product 10, the pressing block 4 arranged on the upper mold base 1, the mold core 5 installed on the lower mold base 2 and used to carry the product 10, and the mold core 5 installed on the The lower cutting knife 6 which is used to cut the flash of the product 10, the side cutting mechanism group which is arranged around the mold core 5 and is used to cut the flash of the product 10, and is used to cut the inner edge of the mold core 5 The demoulding mechanism 8 for demoulding the cut product 10, the briquetting block 4 is used to press the product 10 into the mold core 5; in this embodiment, the product 10 is described by taking the housing of the throttle valve as an example .

The flash blanking die is installed on the press bed so that the punch of the press bed is fixedly connected to the upper die base 1, and the lower die base 2 is fixedly connected to the workbench of the press bed; during actual work, the product 10 is first placed on the In the core 5, the product 10 is carried on the lower cutter 6, and the punch drives the upper die base 1 to move close to the product 10, so that the pressing block 4 presses the product 10 into the core 5. At this time, the lower cutter 6 is on the product 10. The bottom edge or/the flash in the bottom hole is cut until the upper cutter 3 cuts the top edge of the product 10 or/and the flash in the top hole, and then the side cutting mechanism group cuts the side edge of the product 10 Or/and cutting the flash in the side hole, so as to realize the cutting of the flash of the product 10, and finally the punch of the punching machine drives the upper die base 1 to reset, so that the upper die base 1 and the lower die base 2 are far away, The demoulding mechanism 8 separates the product 10 after trimming the flash from the mold core 5, so that the processed product 10 can be discharged manually or by a robot. The structural design of the flash blanking die is reasonable, and the flash of the product 10 is automatically cut, which greatly improves the efficiency of flash removal, reduces labor intensity and cost, and ensures the quality of flash removal. The qualified rate of product 10 has been improved.

In this embodiment, the upper die base 1 is provided with a buffer assembly 9 for buffering the pressing block 4. The buffer assembly 9 includes a buffer plate 91, a pressing rod 92 installed on the bottom surface of the buffer plate 91, and a buffer assembly 9 arranged on the buffer plate 91. The buffer piece 93 on the top surface of the plate 91 , the press block 4 is installed on the pressing rod 92 , and the buffer plate 91 is connected with the upper mold base 1 through the buffer piece 93 . The buffer assembly 9 buffers the pressing block 4 so that the pressing block 4 is in flexible contact with the product 10 , avoiding damage to the surface of the product 10 caused by the pressing block 4 pressing the product 10 and ensuring the quality of the product 10 .

Preferably, the buffer member 93 is a spring, which has a simple structure, low cost, convenient maintenance, good elasticity and long service life.

In this embodiment, the upper mold base 1 includes an upper mounting frame 11 and an upper template 12 mounted on the upper mounting frame 11, a buffer space 13 is provided between the upper mounting frame 11 and the upper template 12, and the upper The cutter 3 is installed on the bottom surface of the upper template 12, the buffer plate 91 is located in the buffer space 13, the buffer plate 91 is connected to the upper mounting frame 11 through the buffer member 93, the pressure rod 92 penetrates the upper template 12, and the The pressing block 4 and the upper cutter 3 are located on the same side of the upper template 12 , and the pressing block 4 is slidably connected with the upper template 12 or/and the upper cutter 3 . The buffer plate 91 moves up and down in the buffer space 13 , and the upper template 12 can limit the position of the buffer plate 91 to prevent the buffer plate 91 from exceeding the set stroke under the action of the elastic force of the buffer member 93 .

In this embodiment, the demoulding mechanism 8 includes a demoulding cylinder 81 installed on the bottom of the lower mold base 2 and a pusher 82 mounted on the piston rod of the demoulding cylinder 81, and the pusher 82 is sequentially Through the lower mold base 2, the mold core 5 and the lower cutter 6. When the flash is removed from the product 10 in the mold core 5 and the upper mold base 1 is far away from the lower mold base 2, the demoulding cylinder 81 of the demoulding mechanism 8 drives the pusher 82 to move upward, and the pusher 82 pushes the mold core 5 upwards. The product 10, so that the product 10 is separated from the mold core 5, thereby realizing the demoulding of the product 10, so that the product 10 can be taken out.

In this embodiment, the side cutting mechanism group includes a first cutting mechanism 71, a second cutting mechanism 72, a third cutting mechanism 73 and a fourth cutting mechanism 74, and the first cutting mechanism 71 and The third cutting mechanism 73 is arranged oppositely, and the second cutting mechanism 72 is arranged opposite to the fourth cutting mechanism 74. The first cutting mechanism 71, the second cutting mechanism 72, the third cutting mechanism 73 and The fourth cutting mechanism 74 cuts the four sides of the product 10 or/and the flash of the side hole respectively, and simultaneously cuts the four sides of the product 10 or/and the flash of the side hole, which further improves the removal The efficiency of the flash.

In this embodiment, the first cutting mechanism 71, the second cutting mechanism 72, the third cutting mechanism 73 or/and the fourth cutting mechanism 74 include a fixing seat 75 installed on the lower mold base 2, a mounting The cutting cylinder 76 that is located at the fixing seat 75 , the push block 77 that is installed on the piston rod of the cutting cylinder 76 and the side cutter 78 that is installed on the push block 77 . During actual work, the cutting cylinder 76 drives the push block 77 with the side cutter 78 to move close to the product 10 until the side cutter 78 removes the flash on the product 10, and then the cutting cylinder 76 drives the push block 77 with the side cutter 78 to reset so that It is used to cut the flash edge of the next product 10; the setting of this structure can cut the flash edge of the product 10 with good quality and high efficiency.

In this embodiment, the side cutter 78 includes a side hole cutter 781 or/and a side edge cutter 782, the upper cutter 3 includes an upper hole cutter or/and a top edge cutter, and the lower cutter 6 includes Lower hole cutter or/and bottom edge cutter; The profile structure of described side hole cutter 781, side edge cutter 782, upper hole cutter, top edge cutter, lower hole cutter and bottom edge cutter are all according to The structure of the product 10 is set.

In this embodiment, the fixed seat 75 is equipped with a transverse guide sleeve 751, and the push block 77 is equipped with a transverse guide rod 771 slidingly fitted with the transverse guide sleeve 751; Cooperate, improve the moving efficiency and stability of pushing block 77 and side cutter 78.

In this embodiment, the upper mold base 1 is provided with a longitudinal guide rod 14, and the lower mold base 2 is provided with a longitudinal guide sleeve 21 slidingly fitted with the longitudinal guide rod 14; Cooperate, improve the efficiency and the stability of upper mold base 1 lifting movement.

In this embodiment, the upper die base 1 is provided with an upper limit post 15, and the lower die base 2 is provided with a lower limit post 22 that conflicts with the upper limit post 15; when the upper limit post 15 collides with the lower limit post 22, Prove that the upper die base 1 moves down in place, avoid the upper die base 1 from moving down beyond the set stroke, and prevent damage or deformation of the product 10 . Preferably, the upper limit post 15 and the lower limit post 22 are elastic parts, such as rubber parts, etc., so that the upper limit post 15 and the lower limit post 22 have a certain degree of elasticity, so as to avoid the upper limit post 15 and the lower limit post 22. The hard impact prolongs the service life of the upper limit post 15 and the lower limit post 22.

Preferably, both the upper mold base 1 and the lower mold base 2 are provided with a plurality of fixed adjustment grooves 23, and the fixed adjustment grooves 23 are open U-shaped grooves, on the one hand, it facilitates the fixed connection between the upper mold base 1 and the punch , It is also convenient for the fixed connection of the lower mold base 2 with the workbench, and on the other hand, it is convenient to adjust the positions of the upper mold base 1 and the lower mold base 2.

Preferably, the contact surface of the pressing block 4 matches the shape and structure of the product 10 .

All technical features in this embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is a preferred implementation of the utility model. In addition, the utility model can also be realized in other ways. Any obvious replacement is within the scope of protection of the utility model without departing from the concept of the technical solution. Inside.

Claims (10)

1. A flash blanking die, characterized in that: comprise an upper mold base, a lower mold base slidingly connected with the upper mold base, an upper cutter installed on the upper mold base and used for cutting the flash of the product , the pressing block set on the upper mold base, the mold core installed on the lower mold base and used to carry the product, the lower cutter installed in the mold core and used to cut the flash edge of the product, surrounding the mold core A side cutting mechanism group is set and used for cutting the flash edge of the product, and a demoulding mechanism is used for demoulding the product after cutting in the mold core, and the pressing block is used to press the product into the mold core. 2. A flash blanking die according to claim 1, characterized in that: the upper die base is provided with a buffer assembly for buffering the pressing block, and the buffer assembly includes a buffer plate mounted on the buffer plate The pressure bar on the bottom surface of the bottom surface and the buffer piece arranged on the top surface of the buffer plate, the pressure block is installed on the pressure bar, and the buffer plate is connected with the upper mold base through the buffer piece. 3. A flash blanking die according to claim 2, characterized in that: the upper die base includes an upper mounting frame and an upper template installed on the upper mounting frame, the upper mounting frame and the upper template A buffer space is provided between them, the upper cutter is installed on the upper template, the buffer plate is located in the buffer space, the buffer plate is connected to the upper mounting frame through a buffer piece, and the pressing rod penetrates the upper template. 4. A kind of flash blanking die according to claim 1, characterized in that: the demoulding mechanism comprises a demoulding cylinder installed on the bottom of the lower mold base and a piston rod installed on the demoulding cylinder. A pusher, the pusher runs through the lower mold base, the mold core and the lower cutter in sequence. 5. A flash blanking die according to claim 1, characterized in that: the side cutting mechanism group includes a first cutting mechanism, a second cutting mechanism, a third cutting mechanism and a fourth cutting mechanism Cutting mechanism, the first cutting mechanism is set opposite to the third cutting mechanism, the second cutting mechanism is set opposite to the fourth cutting mechanism, the first cutting mechanism, the second cutting mechanism, the second cutting mechanism The third cutting mechanism and the fourth cutting mechanism respectively cut the four sides of the product or/and the flash of the side hole. 6. A flash blanking die according to claim 5, characterized in that: the first cutting mechanism, the second cutting mechanism, the third cutting mechanism or/and the fourth cutting mechanism include A fixed seat arranged on the lower mold base, a cutting cylinder installed on the fixed seat, a push block installed on the piston rod of the cutting cylinder and a side cutter installed on the push block. 7. A flash blanking die according to claim 6, characterized in that: the side cutter includes a side hole cutter or/and a side cutter, and the upper cutter includes an upper hole cutter or/ and a top edge cutter, the lower cutter includes a lower hole cutter or/and a bottom edge cutter. 8 . The flash blanking die according to claim 6 , wherein the fixed base is provided with a transverse guide sleeve, and the push block is provided with a transverse guide rod slidingly fitted with the transverse guide sleeve. 8 . 9 . A flash blanking die according to claim 1 , characterized in that: the upper die base is provided with a longitudinal guide rod, and the lower die base is provided with a longitudinal guide sleeve slidingly fitted with the longitudinal guide rod. 10 . The flash blanking die according to claim 1 , wherein the upper die base is provided with an upper limit post, and the lower die base is provided with a lower limit post that conflicts with the upper limit post. 11 .