Summary of the invention
The invention provides a kind of automatic blanking bidirectional punching die, be intended to improve the problems referred to above.
The present invention is achieved in that
A kind of automatic blanking bidirectional punching die, comprise die shoe and upper bolster, described die shoe is provided with die vertically, described die is provided with symmetrically two forming holes, described die shoe described die bilateral symmetry be provided with Liang Ge punch mechanism, described punch mechanism comprises convex mould base and piercing punch, described piercing punch and described convex mould base are slidably connected, described convex mould base is fixedly connected with described die shoe, described upper bolster is provided with the wedge promoting described piercing punch and slide, the inside of described die is provided with the first blanking through hole communicated with described forming hole along its axis direction.
Further, the position that the inside of described die communicates with described forming hole at described first blanking through hole is provided with curved surface.
When waste material is compressed into forming hole by punch, because curved surface has certain angle of inclination, this just makes waste material to rest in forming hole for a long time, waste material is once enter forming hole, under gravity, it just drops in the first blanking through hole automatically, ensure that forming hole is in unimpeded state at any time, punch work is carried out smoothly, thoroughly avoid the complicated waste material ejecting mechanism of design to dredge the mode of forming hole, significantly simplify the project organization of mould, reduce manufacturing cost, improve production efficiency.
Further, the inside of described die shoe is provided with the second blanking through hole, and described second blanking through hole is communicated with described first blanking through hole.
By designing the second blanking through hole be connected with the first blanking through hole, waste material can drop into the second blanking through hole from the first blanking through hole, due to the through whole die shoe of the second blanking through hole, therefore, waste material directly drops out outside whole mould, avoid waste material to pile up in the first blanking through hole, ensure that waste material does not block forming hole, ensure that carrying out smoothly of punch workpiece.
Further, the position of the bottom near described die on described die shoe is symmetrically provided with two fore-sets, described die shoe being provided with the groove for holding described fore-set, being provided with the first back-moving spring in described groove.
Under the cooperation of the first back-moving spring, fore-set withstands workpiece, and workpiece can be moved up and down, and such convenient operation personnel in turn go out the symmetrical holes of many rows from the bottom up on workpiece, easy to operate, flexibly.
Further, described upper bolster is provided with the governor motion for regulating described fore-set to move up and down distance, described governor motion comprises supporting seat and adjusting rod, described supporting seat is provided with the first through hole, described fore-set is provided with multiple second through hole, multiple described second through hole uniform intervals ground arranges along the vertical direction of described fore-set, and described adjusting rod is through the second through hole described in described first through hole and one of them.
When workpiece upper punch the first round, adjusting rod is passed the second through hole of the first through hole and bottom position, start puncture motion; After, then when the second round is rushed to workpiece, first second through hole of adjusting rod from bottom position is extracted out, press down workpiece, second through hole of the medium position on fore-set is alignd to the first through hole, then adjusting rod is passed the second through hole of the first through hole and medium position, start puncture motion; By that analogy, can at the many rounds of workpiece upper punch.Because the distance between adjacent second through hole is consistent with the distance between the adjacent holes on the workpiece of actual needs punching.Therefore, this project organization ensure that the accuracy of the distance of fore-set movement, improves the precision of punching, and project organization is reasonable and easy to operate.
Further, described governor motion also comprises resetting block and the second back-moving spring, and described resetting block is connected with described adjusting rod, and one end of described second back-moving spring is connected with described resetting block, and the other end is connected with described supporting seat.
On the one hand, after operating personnel manually will regulate pole to extract out from the second through hole, then the displacement downward or upward of workpiece is regulated, regulate pole under coordinate of back-moving spring with resetting block, adjusting rod automatically passes through through second, get back to operating position, avoid operating personnel's manual operation adjusting rod again, can human cost be saved; On the other hand, under action of reset spring power, resetting block applies an active force to the second through hole direction on adjusting rod, naturally exit from the second through hole with the Action of Gravity Field preventing adjusting rod to be subject to workpiece and fore-set, affect punch work, this project organization is exquisite, remarkably productive, be easy to operation.
Further, described fore-set is provided with the limited block for limiting workpiece movable, described limited block is provided with elastic press near the side of described die.
When workpiece is enclosed within die, the elastic press of workpiece both sides is applied with an extruding force all the time to workpiece; Therefore, when piercing punch applying pressure is on workpiece, because elastic press has extruding force to workpiece, the frictional force overcome between elastic press and workpiece is needed during workpiece deflection, therefore, the design of elastic press can overcome the problem that workpiece easily deflects when pressurized, and then improves the precision of punching position.
Further, two described convex mould bases are provided with dovetail groove, described convex mould base is also provided with third through-hole, described third through-hole is through to described dovetail groove near the side of described die from described convex mould base, described piercing punch is provided with pole, one end of described pole is connected with described piercing punch, and the other end passes described third through-hole and stretches in described dovetail groove, and described pole one end stretched in described dovetail groove is provided with the inclined-plane coordinated with described wedge.
By the design of through hole, the sliding stroke of pole is made to be limited in through hole, pole can only linear slide in the horizontal direction, skew is produced in the process avoiding it to slide, also just ensure that piercing punch linear slide in the horizontal direction, improve the precision of processing, project organization is simple, has effectively saved manufacturing cost.
Further, described convex mould base is provided with locating hole, described piercing punch is provided with the backstay stretching into described locating hole.
When backstay extend into locating hole, backstay and pole coordinate, and prevent piercing punch from occurring in rotation offset circumferentially around pole, further increase the precision of processing, this project organization is ingenious, very creative and practicality.
Further, described piercing punch is arranged the 3rd back-moving spring, one end of described 3rd back-moving spring is connected with described piercing punch, and the other end is connected with described convex mould base, and described piercing punch is also provided with spacing preiection.
Under normal circumstances, the 3rd back-moving spring is in natural shrinking state, makes piercing punch be in off-position; During punching, the 3rd back-moving spring is stretched; After punching, the 3rd back-moving spring be stretched shrinks, and piercing punch is withdrawn into off-position, avoids processing staff and adopt the mode of manpower that piercing punch is withdrawn into off-position, and project organization is simple, and remarkably productive, practicality is very strong.In addition, then in conjunction with the project organization of spacing preiection, effectively avoid piercing punch to be withdrawn in the process of off-position by the 3rd back-moving spring and strike convex mould base, damage convex mould base and piercing punch, and then extend service life, saved financial cost.
The beneficial effect of automatic blanking bidirectional punching die provided by the invention is: during punching, because the left and right sides at die is provided with Liang Ge punch mechanism symmetrically, two piercing punches are respectively from the left and right sides stamped workpieces simultaneously of workpiece, therefore, in one-off hole-piercing action, two holes can be rushed symmetrically on workpiece, drastically increase punching efficiency; In addition, the die vertically arranged can carry the larger pressure from piercing punch, makes die not frangibility damage, guarantees that die is more firm, extends service life; Further, by the design of the first blanking through hole, waste material can automatically drop into the first blanking through hole from forming hole, efficiently avoid waste material and blocks forming hole and affect follow-up punch work, and this project organization is simple, cost savings manufactured materials.Automatic blanking bidirectional punching die provided by the invention has project organization advantages of simple, ingenious, and long service life is easy to operate, the advantages such as low cost of manufacture.
Embodiment
Refer to Fig. 1, the automatic blanking bidirectional punching die that the present embodiment provides, comprise die shoe 200 and upper bolster 100, die shoe 200 is provided with die 201 vertically, die 201 is provided with symmetrically two forming holes 202, die shoe 200 die 201 bilateral symmetry be provided with Liang Ge punch mechanism 300, punch mechanism 300 comprises convex mould base 301 and piercing punch 302, piercing punch 302 and convex mould base 301 are slidably connected, convex mould base 301 is fixedly connected with die shoe 200, upper bolster 100 is provided with the wedge 101 promoting piercing punch 302 and slide, the inside of die 201 is provided with the first blanking through hole 203 communicated with forming hole 202 along its axis direction.Certainly, upper bolster 100 is also provided with die shank 102, when needing punching, die shank 102 is connected with forcing press.
During punching, forcing press is descending, wedge 101 moves downward, and promotes piercing punch 302 toward die 201 direction horizontal movement, applies pressure to workpiece, because the left and right sides at die 201 is provided with Liang Ge punch mechanism 300 symmetrically, two piercing punches 302 respectively from the left and right sides stamped workpieces simultaneously of workpiece, therefore, in one-off hole-piercing action, two holes can be rushed symmetrically on workpiece, drastically increase punching efficiency; In addition, in the present embodiment, die 201 is fixed on die shoe 200 vertically, relative to existing horizontally disposed die 201, the die 201 of vertical setting can carry the larger pressure from piercing punch 302, make die 201 not frangibility damage, this project organization can guarantee that die 201 is more firm, extends service life; Also have, by the design of the first blanking through hole 203, when waste material on workpiece is compressed into forming hole 202 by piercing punch 302, waste material can enter from horizontally disposed forming hole 202 the first blanking through hole 203 vertically arranged, efficiently avoid waste material to block forming hole 202 and affect follow-up punch work, relative to the existing mould being provided with waste material ejecting mechanism, project organization cost savings manufactured materials, reduce the manufacturing cost of mould, improve production efficiency simultaneously, this project organization is simply ingenious, very creative and practicality.
Referring to Fig. 1, falling into the efficiency of the first blanking through hole 203 in order to improve waste material further from forming hole 202, avoid waste material to be stuck in forming hole 202, the position that the inside of die 201 communicates with forming hole 202 at the first blanking through hole 203 is provided with curved surface 211.
When waste material is compressed into forming hole 202 by punch, because curved surface 211 has certain angle of inclination, this just makes waste material cannot rest on for a long time in forming hole 202, waste material is once enter forming hole 202, under gravity, it just drops in the first blanking through hole 203 automatically, ensure that forming hole 202 is in unimpeded state at any time, punch work is carried out smoothly, thoroughly avoid the mode that operating personnel adopt manual dredging forming hole 202, greatly increase punching efficiency, this project organization is very exquisite, is rich in creativeness.
Certainly, on the basis of said structure, along with the passing of circulating time, the quantity of waste material is more, piles up, finally block forming hole 202, affect follow-up punch work in the first blanking through hole 203.Therefore, in order to avoid the generation of above-mentioned phenomenon, designer is provided with the second blanking through hole 204, second blanking through hole 204 and is communicated with the first blanking through hole 203 in the inside of die shoe 200.
By designing the second blanking through hole 204 be connected with the first blanking through hole 203, waste material can drop into the second blanking through hole 204 from the first blanking through hole 203, due to the through whole die shoe 200 of the second blanking through hole 204, therefore, waste material directly drops out outside whole mould, which avoid waste from stacking in the first blanking through hole 203, ensure that waste material does not block forming hole 202, ensure that carrying out smoothly of punch workpiece, certainly, operating personnel the position of corresponding second blanking through hole 204 can put a box or other may be used for filling the instrument of waste material in the below of die shoe 200, waste material is avoided directly to drop to the ground.
Refer to Fig. 1, the position of the bottom near die 201 on die shoe 200 is symmetrically provided with two fore-sets 205, die shoe 200 being provided with the groove 206 for holding fore-set 205, being provided with the first back-moving spring 207 in groove 206.
Under the cooperation of the first back-moving spring 207, fore-set 205 withstands workpiece, workpiece can be moved up and down, such convenient operation personnel carry out the punch work of many rows in the position of workpiece differing heights, after the lower position punching at workpiece completes, when also to need in the higher position of workpiece punching again, workpiece only need press down by operating personnel, fore-set 205 is made to move down default distance, and then carry out puncture motion, repeat above-mentioned steps, the symmetrical holes of many rows in turn can be gone out from the bottom up on workpiece, easy to operate, flexibly, drastically increase whole mold use scope.
Refer to Fig. 1, on the basis of said structure, in order to the displacement of fore-set about 205 can be regulated more accurately, designer is provided with the governor motion 400 for regulating fore-set 205 to move up and down distance on upper bolster 100, governor motion 400 comprises supporting seat 401 and adjusting rod 402, supporting seat 401 is provided with the first through hole 404, fore-set 205 is provided with multiple second through hole 208, multiple second through hole 208 uniform intervals ground arranges along the vertical direction of fore-set 205, and adjusting rod 402 is through first through hole 404 and one of them second through hole 208.
In the present embodiment, the spacing distance of multiple second through holes 208 on fore-set 205 is consistent with the distance between the adjacent holes on the workpiece of actual needs punching, the quantity of the second through hole 208 is 3, vertical direction successively along fore-set 205 arranges by the spacing distance preset, certainly, also can be 2 by the quantitative design of the second through hole 208 according to actual conditions, 4 etc.When workpiece upper punch the first round, adjusting rod 402 is passed the second through hole 208 of the first through hole 404 and bottom position, start puncture motion; After, when workpiece rushes the second round, first second through hole 208 of adjusting rod 402 from bottom position is extracted out, press down workpiece, second through hole 208 of the medium position on fore-set 205 is alignd to the first through hole 404, again adjusting rod 402 is passed the second through hole 208 of the first through hole 404 and medium position, start puncture motion; By that analogy, can at workpiece upper punch the 3rd round.Because the distance between adjacent second through hole 208 is consistent with the distance between the adjacent holes on the workpiece of actual needs punching.Therefore, this project organization ensure that the accuracy of the distance of fore-set 205 movement, improves the precision of punching, and project organization is reasonable and easy to operate.
Refer to Fig. 1, governor motion 400 also comprises resetting block 403 and the second back-moving spring 405, and resetting block 403 is connected with adjusting rod 402, and one end of the second back-moving spring 405 is connected with resetting block 403, and the other end is connected with supporting seat 401.
On the one hand, after pole 306 manually will be regulated to extract out from the second through hole 208, then the displacement downward or upward of workpiece is regulated, regulate pole 306 under coordinate of back-moving spring with resetting block 403, automatically pass through through second, avoid operating personnel's manual operation again, can human cost be saved; On the other hand, under action of reset spring power, resetting block 403 applies an active force to the second through hole 208 direction on adjusting rod 402, naturally exit from the second through hole 208 with the Action of Gravity Field preventing adjusting rod 402 to be subject to workpiece and fore-set 205, affect punch work, this project organization is exquisite, remarkably productive, is easy to operation.
Refer to Fig. 1, when to workpiece punching, workpiece pressurized easily deflects, and causes the position in rushed hole also to deflect, and precision reduces, and does not meet production object.Therefore, designer is on the architecture basics of above-mentioned design, and fore-set 205 is provided with the limited block 209 for limiting workpiece movable, and limited block 209 is provided with elastic press 210 near the side of die 201.
When workpiece is enclosed within die 201, elastic press 210 pairs of workpiece of workpiece both sides are applied with an extruding force all the time; When piercing punch 302 apply pressure on workpiece time, because elastic press 210 pairs of workpiece have extruding force, workpiece deflection time need to overcome the frictional force between elastic press 210 and workpiece, make workpiece pressurized not easily deflect like this.Therefore, the design of elastic press 210 can overcome the problem that workpiece easily deflects when pressurized, and then improves the precision of punching position, also just improves the quality of product, and this project organization is reasonable, practical, quite creative.
Refer to Fig. 1, two convex mould bases 301 are provided with dovetail groove 303, convex mould base 301 is also provided with third through-hole 305, third through-hole 305 is through to dovetail groove 303 near the side of die 201 from convex mould base 301, piercing punch 302 is provided with pole 306, one end of pole 306 is connected with piercing punch 302, and the other end passes third through-hole 305 and stretches in dovetail groove 303, and pole 306 one end stretched in dovetail groove 303 is provided with the inclined-plane 307 coordinated with wedge 101.
On the one hand, in the process that forcing press is descending, the side of the side of the right-angle side of wedge 101 and the right-angle side of dovetail groove 303 fits, dovetail groove 303 pairs of wedges 101 play guide effect, the direction in the descending process of wedge 101 is avoided to offset, ensure the rectilinear movement of wedge 101 at vertical direction, improve the precision of processing.On the other hand, the side on the limit, oblique angle of wedge 101 coordinates with the inclined-plane 307 of pole 306, promotes pole 306 horizontal slip in third through-hole 305, makes piercing punch 302 horizontal slip apply pressure to workpiece.By the design of through hole, the sliding stroke of pole 306 is made to be limited in through hole, can only linear slide in the horizontal direction, skew is produced in the process avoiding it to slide, also just ensure that piercing punch 302 linear slide in the horizontal direction, improve the precision of processing, project organization is simple, has effectively saved manufacturing cost.
Refer to Fig. 1, in addition, be also provided with elastic cushion block 304 in the bottom of dovetail groove 303.When wedge 101 moves downward, elastic cushion block 304 slows down wedge 101 and acts on pressure on bottom dovetail groove 303, avoids friction each other, damage wedge 101 and convex mould base 301, and then extend the whole mold use life-span, saved financial cost, project organization is simple and practical.
Refer to Fig. 1, in further use procedure, designer also finds, piercing punch 302 around the axis generation rotation offset circumferentially of pole 306, may have impact on the precision of punching.Therefore, convex mould base 301 is provided with locating hole 308, piercing punch 302 is provided with the backstay 309 stretching into locating hole 308.
When backstay 309 extend into locating hole 308, backstay 309 and pole 306 coordinate, and prevent piercing punch 302 from occurring in rotation offset circumferentially around pole 306, further increase the precision of processing, this project organization is ingenious, very creative and practicality.
Refer to Fig. 1, in addition, one end piercing punch 302 being arranged the 3rd back-moving spring the 310, three back-moving spring 310 is connected with piercing punch 302, and the other end is connected with convex mould base 301, and piercing punch 302 is also provided with spacing preiection 311.
Under normal circumstances, the 3rd back-moving spring 310 is in natural shrinking state, makes piercing punch 302 be in off-position; During punching, the 3rd back-moving spring 310 is stretched; After punching, the 3rd back-moving spring 310 be stretched shrinks, and piercing punch 302 is withdrawn into off-position, avoiding processing staff adopts the mode of manpower that piercing punch 302 is withdrawn into off-position, project organization is simple, and remarkably productive, practicality is very strong.In addition, again in conjunction with the project organization of spacing preiection 311, effectively avoid piercing punch 302 to be withdrawn in the process of off-position by the 3rd back-moving spring 310 and strike convex mould base 301, damage convex mould base 301 and piercing punch 302, and then extend service life, save financial cost.
The automatic blanking bidirectional punching die that the present embodiment provides, by being arranged on the punch mechanism 300 of die 201 both sides, simultaneously to the both sides punching simultaneously of workpiece, can improve punching efficiency; In addition, adopt die 201 design vertically arranged, make die 201 can carry the larger pressure from piercing punch 302, die 201 not frangibility damages, and extends service life; In addition, by the design of the first blanking through hole 203 and the second blanking through hole 204, waste material can be dropped out automatically from the forming hole 202 die 201, and wall has been exempted from waste material and has been blocked forming hole 202, and project organization is simply ingenious, has saved manufacturing cost; Further, by the project organization of governor motion 400, it is more accurate to make in the distance of the many rounds of workpiece upper punch, improves the precision of punching.
In a word, the automatic blanking bidirectional punching die that the present embodiment provides has project organization advantages of simple, ingenious, and long service life is easy to operate, the advantages such as low cost of manufacture.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.