Stamping die for plate processing
Technical Field
The utility model belongs to the technical field of stamping dies, and particularly relates to a stamping die for plate processing.
Background
In the stamping process of sheet metal, particularly when forming parts with large areas or complex structures, a die for one-time stamping is often used.
The traditional stamping die has the advantages that the upper die part of the traditional stamping die normally serves as a whole and synchronously descends to be matched with the lower die to complete stamping action, the synchronous stamping mode is high in efficiency, and for parts needing large deformation, the material flow of each part of the plate is uneven in the forming process, excessive expansion is easy to occur in the area with the largest deformation, the material is thinned or even broken, the product quality and the production yield are seriously affected, and in order to solve the problems, the stamping die for plate processing is provided.
Disclosure of utility model
The utility model aims to provide a stamping die for processing a plate, which aims to solve the problems that the prior art proposes that the traditional stamping die is uneven in material flow of each part of the plate in the stamping process, and easily generates excessive extension in the area with the largest deformation, so that the material is thinned or even broken, and the product quality and the production yield are seriously affected.
The technical aim of the utility model is achieved through the following technical scheme that the stamping die for plate processing comprises a lower die holder, a lower base plate is bolted to the top of the lower die holder, a lower die plate A and a lower die plate B are bolted to the top of the lower base plate, a plurality of lower die floating blocks and lower die fixing blocks are arranged on the top of the lower base plate, a first spring is arranged between the lower base plate and the lower die floating blocks, a lower die punch is arranged between the lower die floating blocks and the lower die fixing blocks, a lug A is integrally processed at two ends of the lower die floating blocks and the lower die fixing blocks, a lug B is integrally processed at two ends of the lower die punch, an upper supporting plate is arranged on the top of the lower die holder, a nitrogen spring is bolted to the bottom of the upper supporting plate, an upper backing plate A and an upper backing plate B are bolted to the bottom of the upper base plate, a first spring is arranged between the upper base plate A and the upper backing plate B is matched with the upper base plate, a plurality of through holes are uniformly formed in the upper base plate A and the upper backing plate B, a plurality of upper backing plate B is uniformly connected with the upper backing plate A and the upper backing plate B, a plurality of bolts are uniformly arranged at two ends of upper backing plate B are uniformly connected with the upper backing plate A and the upper backing plate B, a plurality of upper backing plate A and a plurality of bolts are uniformly arranged at two ends of the upper backing plate B are uniformly connected with the upper backing plate A, a punch B is fixedly connected with the upper base B, a lower B is fixedly arranged on the upper base B, a lower B is fixedly connected with a lower base, and a lower upper base is fixedly arranged.
Preferably, the top of the lower template B is provided with a first pressing groove, a pressing block is arranged in the first pressing groove, a third bolt is sleeved in the pressing block, the bottom of the third bolt is in threaded connection with the lower template B, the top of the lower template B is provided with a second pressing groove, the inner thread of the second pressing groove is connected with a fourth bolt, the top of the lower template B is provided with a third pressing groove, and the inner thread of the third pressing groove is connected with a fifth bolt.
Preferably, the inside of punch holder B has seted up the mounting groove with upper punch A and upper punch B looks adaptation, punch hanger A has been placed to the inside of mounting groove, punch hanger A's inside cover is equipped with sixth bolt, the top and the upper padding plate threaded connection of sixth bolt, the both ends of going up the stripper plate all are provided with punch hanger B, punch hanger B's inside cover is equipped with seventh bolt, seventh bolt's top and upper padding plate threaded connection.
As the preference, the both sides of lower bolster top all bolt has flat key piece A, flat key groove A with flat key piece A looks adaptation has been seted up to lower bolster A's bottom, lower bolster A and lower bolster B's junction cover has I-shaped knot A, I-shaped knot A's bottom and lower bolster bolt, the knot hole A with I-shaped knot A looks adaptation has been seted up to lower bolster A and lower bolster B's junction, the mounting hole with first spring looks adaptation has all been seted up to lower bolster's top and lower mould floating block's bottom.
Preferably, the top of the upper clamping plate A is bolted with a flat key block B, a flat key groove B matched with the flat key block B is formed in the bottom of the upper backing plate, an I-shaped buckle B is sleeved at the joint of the upper clamping plate A and the upper clamping plate B, the top of the I-shaped buckle B is bolted with the upper backing plate, and a buckle hole B matched with the I-shaped buckle B is formed in the joint of the upper clamping plate A and the upper clamping plate B.
Preferably, the two sides of the bottom of the upper die holder are fixedly sleeved with outer guide posts, the inner part of the lower die holder is fixedly sleeved with outer guide sleeves matched with the outer guide posts, the inner part of the upper clamping plate A is fixedly sleeved with inner guide posts, and the inner part of the lower clamping plate A is fixedly sleeved with inner guide sleeves matched with the inner guide posts.
The utility model has the following beneficial effects:
The device is through setting up upper punch A and upper punch B that have the time sequence difference, cooperation lower mould floating block, first spring and nitrogen spring elasticity buffer structure, realized the progressive segmentation punching press to panel, in the punching process, upper punch A at first contacts the panel, carry out precompaction and preliminary shaping to panel middle part with the help of the elastic support of lower mould floating block, simultaneously through compressing nitrogen spring, follow upper punch A continuously pushes down, panel middle part shaping is accomplished gradually, upper punch B and last take off the board again with lower mould fixed block and lower mould punch synergism this moment, carry out follow-up stamping forming to panel both sides, this kind of step by step punching machine has effectively dispersed the stress concentration of panel in the shaping in-process, can effectively control panel deformation flow, prevent the fracture problem that leads to because of excessive extension, stamping forming's quality and yield have been showing to have been improved.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a perspective view of the structure of the present utility model;
FIG. 3 is a partial perspective view of the present utility model;
FIG. 4 is a partial perspective view of the present utility model;
FIG. 5 is an exploded view of a partial structure of the present utility model;
FIG. 6 is an exploded view of a partial structure of the present utility model;
FIG. 7 is an exploded view of a partial structure of the present utility model;
FIG. 8 is a partial perspective view of the present utility model;
FIG. 9 is an exploded view of a partial structure of the present utility model;
FIG. 10 is an exploded view of a partial structure of the present utility model;
FIG. 11 is an exploded view of a partial structure of the present utility model;
FIG. 12 is an exploded view of a partial structure of the present utility model;
FIG. 13 is an exploded view of a partial structure of the present utility model;
fig. 14 is a partial structural perspective view of the present utility model.
Reference numeral 1, lower die holder; 2, lower backing plate, 3, lower die plate A, 4, lower die plate B, 5, lower die floating block, 6, first spring, 7, lower die fixing block, 8, lower die punch, 9, upper backing plate, 10, nitrogen spring, 11, bump C, 12, upper die holder, 13, upper backing plate A, 14, upper backing plate B, 15, upper backing plate, 16, through hole, 17, upper clamping plate A, 18, upper clamping plate B, 19, upper punch A, 20, upper punch B, 21, upper stripper plate, 22, push plate, 23, first bolt, 24, second bolt, 25, first pressing groove, 26, press block, 27, third bolt, 28, second pressing groove, 29, fourth bolt, 30, third pressing groove, 31, fifth bolt, 32, mounting groove, 33, punch hook A, 34, sixth bolt, 35, punch hook B, 36, seventh bolt, 37, flat key block A, 38, flat key groove A, 39, I-shaped key A, 40, button hole A, 41, mounting groove, 26, press block B, 27, third bolt, 28, second pressing groove, 33, head, 35, I-shaped key B, 47, guide sleeve, and inner and outer key groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1:
Referring to fig. 1-14, a stamping die for plate processing comprises a lower die holder 1, a lower base plate 2 is bolted to the top of the lower die holder 1, a lower die plate A3 and a lower die plate B4 are bolted to the top of the lower base plate 2, a plurality of lower die floating blocks 5 and lower die fixing blocks 7 are arranged on the top of the lower base plate 2, a first spring 6 is arranged between the lower base plate 2 and the lower die floating blocks 5, a lower die punch 8 is arranged between the lower die floating blocks 5 and the lower die fixing blocks 7, a bump a42 is integrally processed at both ends of the lower die floating blocks 5 and the lower die fixing blocks 7, a bump B43 is integrally processed at both ends of the lower die punch 8, an upper supporting plate 9 is arranged on the top of the lower die holder 1, a nitrogen spring 10 is bolted to the bottom of the upper supporting plate 9, an upper die holder 12 is bolted to the bottom of the upper supporting plate 12, an upper back plate a13 and an upper back plate B14 are bolted to the bottom of the upper die holder 12, the bottom bolt of upper backplate A13 and upper backplate B14 has upper backing plate 15, through-hole 16 with nitrogen spring 10 looks adaptation has been seted up to the inside of upper die holder 12 and upper backing plate 15, upper backing plate 15's bottom bolt has punch holder A17 and punch holder B18, upper backing plate 15's bottom is provided with a plurality of upper punch A19 and upper punch B20, be provided with the upper stripper plate 21 between upper punch A19 and the upper punch B20, the both ends of upper punch A19 and upper punch B20 all integrated into one piece have lug C11, the both ends homogeneous body of upper stripper plate 21 has lug D48, the top of upper punch A19 is provided with push pedal 22, the inside cover of push pedal 22 is equipped with first bolt 23 and second bolt 24, the bottom of first bolt 23 and upper punch A19 threaded connection, the bottom of second bolt 24 and upper stripper plate 21 threaded connection.
Specifically, the device is through setting up the upper punch A19 and the upper punch B20 that have the time sequence difference, cooperate elastic buffer structure such as lower mould floating block 5, first spring 6 and nitrogen spring 10, realized the progressive segmentation punching press to panel, in the punching process, upper punch A19 contacts panel at first, carry out precompaction and preliminary shaping to panel middle part with the help of the elastic support of lower mould floating block 5, simultaneously through compression nitrogen spring 10 reserve energy, along with upper punch A19 continuously pushes down, panel middle part shaping gradually accomplishes, upper punch B20 and upper take-off plate 21 again with lower mould fixed block 7 and lower mould punch 8 synergism at this moment, carry out follow-up stamping forming to panel both sides, this kind of step punching press mechanism has effectively dispersed the stress concentration of panel in the shaping in-process, can effectively control panel deformation flow, prevent the fracture problem that leads to because of excessive extension, the quality and the yield of stamping forming have been showing.
Referring to fig. 5, 6 and 7, the first indent 25 has been seted up at the top of lower bolster B4, briquetting 26 has been placed to the inside of first indent 25, the inside cover of briquetting 26 has been equipped with third bolt 27, the bottom and the lower bolster B4 threaded connection of third bolt 27, briquetting 26 is spacing to lower bolster 5 motion stroke through lug a42, through setting up third bolt 27 and briquetting 26, and be convenient for dismantle lower bolster 5 and maintain, the second indent 28 has been seted up at the top of lower bolster B4, the inside threaded connection of second indent 28 has fourth bolt 29, fourth bolt 29 can cooperate lug a42 to compress tightly fixedly to lower bolster fixed block 7, still be convenient for dismantle the maintenance simultaneously to lower bolster fixed block 7, third indent 30 has been seted up at the top of lower bolster B4, the inside threaded connection of third indent 30 has fifth bolt 31, fifth bolt 31 can cooperate lug B43 to compress tightly fixedly to lower bolster 8, still be convenient for dismantle simultaneously and maintain lower bolster 8.
Referring to fig. 12, a mounting groove 32 adapted to the upper punch a19 and the upper punch B20 is formed in the upper clamping plate B18, a punch hook a33 is placed in the mounting groove 32, a sixth bolt 34 is sleeved in the punch hook a33, the upper punch B20 can be pressed and fixed by the aid of the punch hook a33, the downward stroke of the upper punch a19 can be customized and limited, the top of the sixth bolt 34 is in threaded connection with the upper backing plate 15, punch hooks B35 are arranged at two ends of the upper stripping plate 21, a seventh bolt 36 is sleeved in the punch hooks B35, the top of the seventh bolt 36 is in threaded connection with the upper backing plate 15, and the punch hooks B35 can limit the upper stripping plate 21 and facilitate disassembly and maintenance.
Referring to fig. 5, 6, 7 and 8, the two sides at the top of the lower base plate 2 are both bolted with the flat key block a37, the bottom of the lower template A3 is provided with the flat key groove a38 matched with the flat key block a37, the lower base plate 2 and the lower template A3 can be in butt joint and fixed by arranging the flat key groove a38 and the flat key block a37, the joint of the lower template A3 and the lower template B4 is sleeved with the i-shaped buckle a39, the bottom of the i-shaped buckle a39 is bolted with the lower base plate 2, the joint of the lower template A3 and the lower template B4 is provided with the buckling hole a40 matched with the i-shaped buckle a39, the joint of the lower template A3 and the lower template B4 can be reinforced by arranging the i-shaped buckle a39, the top of the lower base plate 2 and the bottom of the lower template floating block 5 are provided with the mounting hole 41 matched with the first spring 6, and the first spring 6 can be mounted in a matching manner.
Referring to fig. 11, 12 and 14, the top of the upper clamping plate a17 is bolted with a flat key block B44, the bottom of the upper backing plate 15 is provided with a flat key groove B45 matched with the flat key block B44, the upper clamping plate a17 and the upper backing plate 15 can be in butt joint and fixed by arranging the flat key block B44 and the flat key groove B45, an i-shaped buckle B46 is sleeved at the joint of the upper clamping plate a17 and the upper clamping plate B18, the top of the i-shaped buckle B46 is bolted with the upper backing plate 15, the joint of the upper clamping plate a17 and the upper clamping plate B18 is provided with a buckle hole B47 matched with the i-shaped buckle B46, and the joint of the upper clamping plate a17 and the upper clamping plate B18 can be reinforced by arranging the i-shaped buckle B46.
Referring to fig. 1, 2, 3 and 4, the two sides of the bottom of the upper die holder 12 are fixedly sleeved with an outer guide post 49, the interior of the lower die holder 1 is fixedly sleeved with an outer guide post 50 matched with the outer guide post 49, the interior of the upper clamping plate a17 is fixedly sleeved with an inner guide post 51, the interior of the lower die plate A3 is fixedly sleeved with an inner guide post 52 matched with the inner guide post 51, and by setting a double guide structure combining the outer guide post 49 with the outer guide post 50 and the inner guide post 51 with the inner guide post 52, the centering precision and the operation stability in the stamping process are effectively ensured, and the consistency of stamping forming and the product quality are remarkably improved.
The use process is briefly described that a user can place a plate on the top of two lower templates A3, the stamping equipment drives an upper punch A19, an upper stripper plate 21 and an upper punch B20 to move downwards, the upper punch A19 and the upper stripper plate 21 pre-press the plate through the cooperation of a lower die floating block 5 and a lower die punch 8, the upper punch A19 continuously presses downwards, the lower die floating block 5 drives a first spring 6 to compress, meanwhile, the upper punch A19 and the upper stripper plate 21 compress a nitrogen spring 10 through a push plate 22, and the middle part of the plate can be stamped and formed in advance, and then the upper punch B20 and the upper stripper plate 21 perform stamping and forming on two sides of the plate through the cooperation of a lower die fixing block 7 and the lower die punch 8, so that excessive damage to the surface extension of the middle part of the plate can be avoided.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.