Utility model content
Technical problem to be solved in the utility model overcomes above-mentioned defect existing in prior art, and provide a kind of structural design more reasonably to make the progressive die of automotive seat medium-height trestle.
The technical scheme in the invention for solving the above technical problem is: the progressive die of this making automotive seat medium-height trestle comprises upper and lower template, upper and lower die-cushion plate, upper and lower mould fixed head, stripper, punch, die, material guide device, safety device, pilot pin, floating pin, nitrogen spring, spring and push rod, it is characterized in that: this progressive die sets gradually by punching edger, edger, pre-profiling mould, 45 ° of shaping moulds, 45 ° of side-cutting moulds, mould of clapping, shaping mould and knife edge dies, and their upper die and lower die are respectively same die holder; 45 ° of described shaping moulds comprise 45 ° of forming convax moulds and 45 ° of molding concave dies of coupling mutually, 45 ° of forming convax moulds are arranged on upper mould fixed plate, 45 ° of molding concave dies and counterdie fixed head are fixed, 45 ° of forming convax moulds have two, they are symmetrical, and the angle between its head and vertical plane equals 45 °, 45 ° of molding concave dies only have one, and the angle between its hypotenuse and horizontal plane equals 45 °; 45 ° of described side-cutting moulds comprise that punch is cut in 45 ° of sides, die, nitrogen spring, slide block and take-up housing are cut in 45 ° of sides; Nitrogen spring and 45 ° of sides are cut punch and are installed on slide block, and 45 ° of sides cut die and counterdie fixed head is fixed, and slide block is fixed on take-up housing, and take-up housing is fixed on stripper.Make punch press thus in one stroke, just Multi-step forming operation can be completed in the position that workpiece is different, and only need people one machine during operation, not only greatly reduce human cost and machine cost, and improve the stability of production efficiency and production, improve the security of production process, reduce defect rate.
Be provided with discharging backboard in clap mould and shaping mould of the present utility model, this discharging backboard and stripper are fixed, and stripper is connected with upper mould fixed plate slide-and-guide.
The utility model compared with prior art has the following advantages and effect: overall construction design and arrangement are more reasonable, simply, more easy to use and reliable, accurate positioning, efficiency is higher, one molded can make two corresponding medium-height trestles with the utility model, its precision is high, and cost is low.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Fig. 3, one molded can make two corresponding medium-height trestles 1 by the utility model, it comprises trimming 11, shaping one 12,45 ° shaping 13,45 ° sides cut 14, the shape of clap 15 and shaping 2 16.This medium-height trestle 1 is as prior art, but the device structure making it is different.
See Fig. 1 ~ Figure 10, the utility model comprises the cope match-plate pattern 21 be arranged in patrix 2, upper die plate 22, upper mould fixed plate 23 and stripper 25, and be arranged on the lower bolster 31 in counterdie 3, counterdie fixed head 32, counterdie backing plate 33, material guide device 34 and safety device 35.In addition, also have pilot pin 41, floating pin 42 and nitrogen spring 43, due to these parts and its concrete structure of part, connection and effect same as the prior art or equivalent, just do not describe one by one.
The utility model designs the structure of patrix 2 and counterdie 3 respectively according to the shape of medium-height trestle 1.
The utility model manufacture craft comprises side, G-45 ° of shaping H-sky I-45 °, station, E-shaping F-sky station, punching trimming A-trimming B-trimming C-trimming D-sky station and cuts the J-sky station K-shaping M-of L-that claps and cut off N, finally forms medium-height trestle 1; The progressive die wherein comprise set gradually punching edger, edger, pre-profiling mould, 45 ° of shaping moulds, 45 ° of side-cutting moulds, mould of clapping, shaping mould and knife edge dies, their patrix 2 is same die holder, and counterdie 3 is also same die holder.
45 ° of shaping moulds 51 of the present utility model comprise 45 ° of forming convax moulds 511 and 45 ° of molding concave dies 512 of coupling mutually.45 ° of forming convax moulds 511 are arranged on upper mould fixed plate 23, and 45 ° of molding concave dies 512 are fixed with counterdie fixed head 32; Wherein: 45 ° of forming convax moulds 511 have two, and they are symmetrical, angle β=45 ° between the head of 45 ° of forming convax moulds 511 and vertical plane; And 45 ° of molding concave dies 512 only have one, angle α=45 ° between its hypotenuse 5121 and horizontal plane.
During use, patrix 2 is descending, and pilot pin is by the i.e. tablet correcting of product 10; Patrix 2 continues descending, and product 1 tablet is squeezed into the die cavity of 45 ° of molding concave dies 512 by 45 ° of forming convax moulds 51, until mould is closed to bottom dead centre, complete at 45 ° shaping.Then, patrix 2 is up, and 45 ° of forming convax moulds 51 exit 45 ° of molding concave die 512 die cavities; Meanwhile, down released by the product 1 i.e. tablet be enclosed within 45 ° of forming convax moulds 51, patrix 2 continues to go upward to top dead-centre, and a jig frequency terminates.
After these 45 ° of shaping moulds 51, product 10 has had the shape of in Fig. 1 45 ° shaping 13.
45 ° of side-cutting moulds 52 of the present utility model comprise 45 ° of sides and cut punch 521,45 ° of sides and cut die 522, nitrogen spring 43, slide block 523 and take-up housing 524.Nitrogen spring 43 and 45 ° of sides are cut punch 521 and are installed on slide block 523, and 45 ° of sides are cut die 522 and fixed with counterdie fixed head 32, and slide block 523 is fixed on take-up housing 524, and take-up housing 524 is fixed on stripper 25.
During use, patrix 2 is descending by fixing track, and stripper 25 pushes down product 10 i.e. tablet, and patrix 2 continues descending, and stripper 25 is compressed, and 45 ° of sides are cut punch 521 and entered 45 ° of sides and cut die 522 and carry out die-cut; Patrix 2 continues descending, and mould is closed to bottom dead centre.Then, patrix 2 is with movable slider 523 up, 45 ° of sides are cut punch 521 and are exited 45 ° of sides and cut die 522, counterdie fixed head 32 slide downward down releasing being enclosed within the product 10 i.e. tablet cut on punch 521 45 ° of sides under the effect of nitrogen spring 43, counterdie fixed head 32 continues slide downward, product 10 i.e. tablet floats to delivery head, and patrix 2 continues to go upward to top dead-centre, and a jig frequency terminates.
After these 45 ° of side-cutting moulds 52, product 10 to have had in Fig. 1 45 ° of sides cut the shape of 14.
Mould 53 of clapping of the present utility model comprises punch 531 of clapping, clap die 532 and discharging backboard 533, punch 531 of clapping is arranged on upper mould fixed plate 23, die 532 of clapping is fixed with counterdie fixed head 32, discharging backboard 533 is fixed with stripper 25, stripper 25 is connected with upper mould fixed plate 23 slide-and-guide, and places restrictions on it by discharging backboard 525 and drop out backward.Wherein: punch 531 of clapping has two, and they are symmetrical; Die 532 of clapping only has one, and punch 531 of clapping matches with die 532 of clapping.
During use, operation principle is equal to prior art, after this mould 53 of clapping, product 10 had in Fig. 1 clap 15 shape.
Shaping mould 54 of the present utility model mainly comprises forming convax mould 541, molding concave die 543, outer guiding post assembly 542, hook 544 and discharging backboard 545.Forming convax mould 531, piercing punch 1, piercing punch 2 538 is arranged on upper mould fixed plate 23, and molding concave die 536 and two punching concave die 535 are fixed with counterdie fixed head 32; Hook 544 is connected with upper mould fixed plate 23, and stripper 25 is connected with upper mould fixed plate 23 slide-and-guide, and places restrictions on its slippage by hook 544, and discharging backboard 525 is fixed with stripper 25; Outer guiding post assembly 542 is arranged on cope match-plate pattern 21 and lower bolster 31.
During use, operation principle is equal to prior art, and after this shaping mould 54, product 10 has had the shape of in Fig. 1 shaping 2 16.
See Fig. 1-Fig. 3 and Fig. 6, in the technological process of the utility model progressive die, after trimming C, form the shape of trimming 11 in Fig. 1, after overmolding F, form the shape of in Fig. 1 shaping 1.
Mould structure those skilled in the art of other station of the utility model can implement.
For convenience of describing, product 10 is herein the shape before cutting off to finished product from steel plate in each operation.
Above content described in this description is only to the explanation of the utility model structure example; And the utility model parts title of getting also can be different, all equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.