Shock-absorbing stamping bending die
Technical Field
The utility model relates to the technical field of bending dies, in particular to a cushioning stamping bending die.
Background
The stamping and bending die technology is mainly applied to the field of metal processing, in particular to industries such as automobile, aerospace, household appliance manufacturing and the like.
The die in the prior art often forms larger vibration and impact force in the stamping and bending processes, so that the surface quality and the dimensional accuracy of a workpiece are affected, and the service life of the die is also affected.
Disclosure of utility model
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model provides a cushioning stamping bending mould, includes the die holder, the die holder includes bottom plate and roof, be equipped with a plurality of deep floor between bottom plate and the roof, arrange in the centre the deep floor left and right sides respectively is equipped with a plurality of cushioning sleeves, bending mould is connected to the roof top, bending mould includes preceding fixed plate, back fixed plate, fixed bottom plate, and respectively be equipped with a dynamic bending mould in the left and right sides between preceding fixed plate, the back fixed plate, the buffer seat is connected with a plurality of guide pillars one of setting side by side, be connected with buffer spring one between guide pillar one bottom and the buffer seat, all the top fixed connection of guide pillar one is on the dynamic bending cover, the dynamic bending cover overlaps on a loose axle, the front and back both ends of loose axle are arranged in a activity spacing downtheholely respectively, two be equipped with the stripper between the dynamic mould.
The left and right sides of the stripper plate are respectively contacted with the surfaces of the dynamic bending sleeves when the dynamic bending sleeves arranged on the left side move to the rightmost side and the dynamic bending sleeves arranged on the right side are arranged on the leftmost side.
As an optimal scheme, the dynamic bending die comprises a buffer seat, wherein the buffer seat is fixedly connected to a base, and the base is fixedly connected to a fixed bottom plate.
As a preferable scheme, the front side and the rear side of the buffer seat are respectively provided with a connecting lug, and the connecting lugs are respectively fixedly connected with the front fixing plate and the rear fixing plate through bolts.
As an optimal scheme, the movable limiting hole is a waist hole.
As the preferred scheme, be connected with a plurality of guide pillar II between stripper and the roof, be connected with a plurality of buffer spring II between stripper and the bottom plate, buffer spring II is arranged in the bradyseism sleeve with the lower part, and the buffer hole of seting up in stripper bottom is arranged in at the top.
As an optimal scheme, the bending male die is fixedly connected to the upper die holder, a base plate is arranged between the bending male die and the upper die holder, and four corners between the upper die holder and a top plate of the lower die holder are respectively provided with a guide post III.
Preferably, the first buffer spring is arranged inside the buffer seat.
Compared with the prior art, the cushioning stamping bending die has the beneficial effects that when the cushioning stamping bending die is used, the cushioning spring has the functions of driving the dynamic bending sleeve to stretch and retract and also has the cushioning effect, so that the bending effect is good, and the overlarge bending angle deviation is avoided.
The utility model discloses a buffer spring, including stripper, bottom plate, buffer spring, connecting block, buffer spring, connecting block and connecting block, be connected with a plurality of buffer spring between stripper and the bottom plate, buffer spring's lower part is arranged in the buffer sleeve in, and buffer spring's bottom is arranged in to buffer spring's lower part in, buffer spring's stroke is enough long in arranging buffer hole in the stripper bottom, two between the arc pressing piece be equipped with a connecting block, the connecting block bottom is higher than two the bottom of arc pressing piece, like this in the punching press process, the connecting block can not contact with the part, only the arc pressing piece of both sides is bent with the part, and is equipped with buffer spring's second that the stroke is enough long, alleviates the unnecessary stress that the part received as far as possible to avoid the part to produce unnecessary deformation, improve the precision of processing.
The utility model can obviously improve the surface quality and the dimensional accuracy of the workpiece by reducing the vibration and the impact of the die in the stamping and bending processes, and simultaneously prolong the service life of the die.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the structure taken from FIG. 2 A-A;
FIG. 4 is a schematic perspective view of the utility model with the front plate removed;
FIG. 5 is a schematic view of a dynamic bending die in a three-dimensional structure according to the present utility model;
FIG. 6 is a schematic top view of the dynamic bending die of the present utility model;
Fig. 7 is a schematic perspective view showing a connection structure between a first guide post and a buffer spring according to the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
The utility model provides a cushioning punching press bending die, includes die holder 1, die holder 1 includes bottom plate 101 and roof 102, be equipped with a plurality of deep floor 103 between bottom plate 101 and the roof 102, arrange in the centre deep floor 103 each bilateral symmetry is equipped with a plurality of cushioning sleeve 104, bending die 2 is connected to roof 102 top, bending die 2 includes front fixed plate 21, back fixed plate 22, PMKD 23, and front fixed plate 21, back fixed plate 22 are equipped with a dynamic bending die 3 respectively in the left and right sides between, dynamic bending die 3 includes buffer seat 31, buffer seat 31 is connected with a plurality of guide pillars one 32 of parallel arrangement, be connected with buffer spring one 33 between guide pillar one 32 bottom and the buffer seat 31, all the top fixed connection of guide pillar one 32 is on the dynamic bending sleeve 34 that is perpendicular with it, dynamic bending sleeve 34 overlaps on a loose axle 35, the front and back both ends of loose axle 35 are arranged in a movable limiting hole 36 respectively, two be equipped with stripper plate 4 between the dynamic bending die 3.
The upper part of the position corresponding to the stripper plate 4 is provided with a bending male die 5, the bending male die 5 comprises arc pressing blocks 51 at two sides, a connecting block 52 is arranged between the two arc pressing blocks 51, the bottom of the connecting block 52 is higher than the bottoms of the two arc pressing blocks 51, and when the dynamic bending sleeve 34 arranged at the left side moves to the rightmost side and the dynamic bending sleeve 34 arranged at the right side is arranged at the leftmost side, the left side and the right side of the stripper plate 4 are respectively contacted with the surfaces of the dynamic bending sleeve 34.
Further, the buffer seat 31 is fixedly connected to the base 37, and the base 37 is fixedly connected to the fixed bottom plate 23.
Further, a connecting lug 38 is respectively disposed on the front and rear sides of the buffer seat 31, and the connecting lug 38 is fixedly connected with the front fixing plate 21 and the rear fixing plate 22 through bolts 39.
Further, the movable limiting hole 36 is a waist hole.
Further, a plurality of second guide posts 401 are connected between the stripper plate 4 and the top plate 102, a plurality of second buffer springs 6 are connected between the stripper plate 4 and the bottom plate 101, the lower parts of the second buffer springs 6 are arranged in the buffer sleeve 104, and the tops of the second buffer springs are arranged in the buffer holes 41 formed in the bottom of the stripper plate 4.
Further, the bending male die 5 is fixedly connected to the upper die holder 7, a base plate 8 is arranged between the bending male die 5 and the upper die holder 7, and a guide post III 9 is respectively arranged at four corners between the upper die holder 7 and the top plate 102 of the lower die holder 1.
Further, the first buffer spring 33 is disposed inside the buffer seat 31.
When the cushioning stamping bending die is used, parts are placed on the top surface of the stripper plate 4, the upper die base 7 drives the bending male die 5 to press downwards under the action of external power, the arc pressing blocks 51 on two sides push the dynamic bending sleeves 34 on the corresponding sides in the pressing process of the bending male die 5, the movable shafts 35 connected with the dynamic bending sleeves 34 move towards two sides along the movable limiting holes 36 respectively, and in the process, the first buffer springs 33 not only drive the dynamic bending sleeves 34 to stretch and retract, but also have the buffer effect, so that the bending effect is good, and overlarge bending angle deviation is avoided.
The utility model discloses a high-precision impact-resistant material discharging plate, including stripper plate 4, bottom plate 101, buffer spring 4, buffer spring 6, buffer hole 41, connecting block 52, buffer spring 6's lower part is arranged in buffer sleeve 104, and buffer spring 6's stroke is enough long in arranging stripper plate 4 bottom in the buffer hole 41, two between the arc pressing block 51 is equipped with a connecting block 52, the connecting block 52 bottom is higher than two the bottom of arc pressing block 51, like this in the punching press in-process, connecting block 52 can not contact with the part, only the arc pressing block 51 of both sides contacts with the part and bends, and is equipped with buffer spring 6 of stroke enough long, can alleviate the unnecessary stress that the part received as far as possible to avoid the part to produce unnecessary deformation, improve the precision of processing.
After the processing is finished, external power drives the upper die seat 7 and the bending male die 5 to reset, in the process, under the action of the buffer spring I33, the two dynamic bending sleeves 34 are reset, and under the action of the resilience force of the buffer spring II 6, the stripper plate 4 moves upwards to push out the processed parts.
The stroke of the upper die holder 7 is set according to the specification of the processed part during the working process.
The above detailed description of the embodiments of the present utility model has been given by way of example only, and the present utility model is not limited to the above described embodiments, and equivalent modifications are also within the scope of the present utility model.