CN212070093U - Machining die for hinge side plate bracket of automobile seat - Google Patents

Abstract

The utility model provides a mold processing of car seat's hinge curb plate support, it can solve current mold processing at the turn-ups of shaping turn down's in-process down, and the connecting band is easy to be split, influences the technical problem of finished piece follow-up production. This processing mould, including dashing the bullport and cuting blanking structure, dash bullport and cut blanking structure and be used for cuting the expansion appearance that forms the left and right finished piece of hinge side panel support and be used for cuting the connecting band that forms the left and right finished piece, its characterized in that: the connecting band includes annular soft area and banding connecting portion, and the both ends in soft area link to each other with left and right finished piece through connecting portion respectively, and soft area can warp and then avoid the connecting band fracture through self at the turn-ups of shaping downwards in-process.

Description

Machining die for hinge side plate bracket of automobile seat

Technical Field

The utility model relates to an automobile parts mold processing technology field, concretely relates to mold processing of hinge curb plate support of car seat.

Background

The hinge side plate bracket of the automobile seat comprises a left workpiece and a right workpiece as shown in figures 1 and 2, the outer contour of the top surface of the hinge side plate bracket is formed by connecting an arc edge P1, a first straight edge P2, a third straight edge P3 and a third straight edge P4 end to end, the hinge side plate bracket extends downwards from the outer edge of the top surface to form a circle of flanging, the bottom of the flanging of the first straight edge P2 is bent outwards and horizontally extends to form a triangular first side plate P5, the bottom of the flanging of the third straight edge P3 extends downwards to form a rectangular second side plate P6, the bottom of the second side plate P6 is bent outwards, and the bottom of the flanging of the third straight edge P4 is formed with an inward bent P7.

The left and right pieces of the hinge side panel bracket are generally formed by a same set of molds at the same time during production, and the connecting band between the left and right pieces is generally connected with the first side panel P5. We find that in the process of downward forming and flanging of the existing processing die, the material of the connecting belt part has poor fluidity and is easy to break, and the subsequent processing of a workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mold processing of car seat's hinge curb plate support, it can solve current mold processing at the turn-ups of shaping in-process down, and connecting band part material mobility is poor, easy fracture, influences the technical problem of finished piece follow-up production.

Its technical scheme is like, a mold processing of hinge curb plate support of car seat, including dashing the bullport and cuting blanking structure, dash the bullport and cut blanking structure and be used for cuting the expansion appearance that forms left and right finished piece of hinge curb plate support and be used for cuting the connecting band that forms left and right finished piece, its characterized in that: the connecting band includes annular soft area and banded connecting portion, the both ends in soft area respectively through connecting portion with left and right finished piece links to each other.

Further, the soft belt is in an elliptical ring shape.

Furthermore, a first downward forming structure, a first punching side cutting structure, a bending structure, a second downward forming structure, a shaping side finishing structure and a second punching side punching hole cutting structure are sequentially arranged between the upper die holder and the lower die holder of the processing die along the feeding direction;

the first downward forming structure comprises a first downward forming pressure plate, a first downward forming punch and a first downward forming female die, the first downward forming pressure plate is mounted below the upper die holder through a guide pillar and a guide sleeve and is guided by the first downward forming punch, the first downward forming punch is mounted below the upper die holder, and the first downward forming female die is mounted on the lower die holder and is matched with the downward forming male die;

the first punching side-cutting structure comprises a first punching stripper plate, a first punching stripper plate insert, a first punching punch, a first punching female die sleeve, a side-cutting driving block, a side-cutting slide block, a side-cutting punch, a side-cutting edge and a first punching side-cutting sinking disc, the first punching stripper plate is arranged below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the first punching stripper plate insert is arranged below the first punching stripper plate, the first punching punch is arranged below the upper die base and can downwards penetrate through the first punching stripper plate and the first punching stripper plate insert, the first punching female die sleeve is arranged on the first punching side-cutting sinking disc and matched with the first punching punch, the side-cutting driving block is arranged below the upper die base and matched with the side-cutting slide block through an inclined plane, the side-cutting slide block is arranged on the lower die base in a sliding guiding mode through a guide pressure plate and reset through a nitrogen spring, the side cutting punch is mounted on the side cutting slide block, the side cutting edge is mounted on the first punching side cutting sinking disc and matched with the side cutting punch, and the first punching side cutting sinking disc is mounted on the lower die seat and matched with the first punching stripper plate insert;

the bending structure comprises a bending stripper plate, a bending stripper plate insert, an outer side driving block, an outer side sliding block, an outer side forming punch, an inner side driving block, an inner side sliding block and an inner side forming die, the bending stripper plate is mounted below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the bending stripper plate insert is mounted below the bending stripper plate, the outer side driving block and the inner side driving block are mounted below the upper die base and respectively matched with the outer side sliding block and the inner side sliding block through inclined planes, the outer side sliding block and the inner side sliding block are mounted on the lower die base through a guide pressing plate in a sliding guide mode and reset through a nitrogen spring, the outer side forming punch is mounted on the outer side sliding block, and the inner side forming die is mounted on the inner side sliding block and matched with the outer side forming punch;

the second downward forming structure comprises a second downward forming stripper plate, a second downward forming stripper plate insert, a second downward forming punch, a second downward forming male die and a second downward forming sinking disc, the second downward forming stripper plate is mounted below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the second downward forming stripper plate insert is mounted below the second downward forming stripper plate, the second downward forming punch is mounted below the upper die base and can downwards penetrate through the second downward forming stripper plate and the second downward forming stripper plate insert, the second downward forming male die is mounted on the lower die base and matched with the second downward forming punch, and the second downward forming sinking disc is mounted on the lower die base and matched with the second downward forming stripper plate insert;

the shaping side shaping structure comprises a shaping side shaping stripper plate, a stripper plate shaping block, an upper die shaping block, a shaping convex die, a lower die shaping insert, a side shaping driving block, a side shaping sliding block, a side shaping punch and a side shaping block, wherein the shaping side shaping stripper plate is arranged below the upper die base through a guide pillar and a guide sleeve and is limited through a hook, the stripper plate shaping block is arranged below the shaping side shaping stripper plate, the upper die shaping block is arranged below the upper die base and can downwards penetrate through the shaping side shaping stripper plate and the stripper plate shaping block, the shaping convex die is arranged on the lower die base and is matched with the stripper plate shaping block and the upper die shaping block, the lower die shaping insert is arranged on the shaping convex die and is matched with the upper die shaping block, the side shaping driving block is arranged below the upper die base and is matched with the side shaping sliding block through an inclined plane, the side shaping sliding block is installed on the lower die base in a sliding guide mode through a guide pressing plate and is reset through a nitrogen spring, the side shaping punch is installed on the side shaping sliding block, and the side shaping block is installed on a shaping male die and is matched with the side shaping punch;

the second punching side punching hole cutting structure comprises a second punching stripper plate, a second punching stripper plate insert, a second punching punch, a second punching concave die sleeve, a side punching hole driving block, a side punching slide block, a side punching punch, a side punching concave die sleeve, a cutting punch, a cutting knife edge and a second punching side punching hole cutting sinking disc,

the second punching stripper plate is arranged below the upper die base through a guide post and a guide sleeve and is limited by a hook, the second punching stripper plate insert is arranged below the second punching stripper plate, the second punching punch and the cutting punch are arranged below the upper die base and can downwards penetrate through the second punching stripper plate and the second punching stripper plate insert, the second punching concave die sleeve and the cutting knife edge are arranged on the second punching side punching cutting sinking disc and are respectively matched with the second punching punch and the cutting punch,

the side punching driving block is installed below the upper die base and matched with the side punching sliding block through an inclined plane, the side punching sliding block is installed on the lower die base in a sliding guiding mode through a guiding pressing plate, the side punching punch is installed on the side punching sliding block, and the side punching concave die sleeve is installed on the second punching side punching cutting sinking disc and matched with the side punching punch.

The punching and guiding hole shearing blanking structure comprises a punching and guiding hole shearing stripper plate, a punching and guiding hole first shearing structure, a second shearing structure, a third shearing structure, a fourth shearing structure, a fifth shearing structure and a punching and guiding hole shearing sinking plate, wherein the punching and guiding hole shearing stripper plate is arranged below the upper die base through a guide pillar and a guide sleeve and is limited through a hook, and the punching and guiding hole shearing sinking plate is arranged on the lower die base;

the first punching guide hole shearing blanking structure comprises a first punching guide hole shearing stripper plate insert, a punching guide hole punch, a punching guide hole concave die sleeve, a first shearing punch and a first shearing knife edge, wherein the first punching guide hole shearing stripper plate insert is arranged below the punching guide hole shearing stripper plate, the punching guide hole punch and the first shearing punch are arranged below the upper die base and can downwards penetrate through the punching guide hole shearing stripper plate and the punching guide hole first shearing stripper plate insert, and the punching guide hole concave die sleeve and the first shearing knife edge are arranged on the punching guide hole shearing sinking disc and are respectively matched with the punching guide hole punch and the first shearing punch;

the second shearing structure comprises a second shearing stripper plate insert, a second shearing punch and a second shearing knife edge, the second shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the second shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the second shearing stripper plate insert, and the second shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the second shearing punch;

the third shearing structure comprises a third shearing stripper plate insert, a third shearing punch and a third shearing knife edge, the third shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the third shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the third shearing stripper plate insert, and the third shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the third shearing punch;

the fourth shearing structure comprises a fourth shearing stripper plate insert, a fourth shearing punch and a fourth shearing knife edge, the fourth shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the fourth shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the fourth shearing stripper plate insert, and the fourth shearing knife edge is installed on the punching and guiding hole shearing sinking disc and is matched with the fourth shearing punch;

the fifth shearing structure comprises a fifth shearing stripper plate insert, a fifth shearing punch and a fifth shearing knife edge, the fifth shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the fifth shearing punch is installed below the upper die base and can penetrate through the punching and guiding hole shearing stripper plate and the fifth shearing stripper plate insert downwards, and the fifth shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the fifth shearing punch.

The connecting band formed by cutting the blanking structure by punching the guide hole of the processing die of the utility model is provided with an annular soft band which can be deformed by itself in the process of forming the flanging downwards so as to avoid the fracture of the connecting band; the bending structure adopts double sliding blocks, namely an outer sliding block and an inner sliding block, after the bottom of the flanging of the third straight edge is bent inwards and formed, the inner sliding block is reset to drive the inner forming female die to be separated from the hook-shaped part bent inwards, and smooth stripping is further ensured; in addition, be equipped with the first shaping structure downwards that sets gradually along the direction of feed between this mold processing's the upper die base and the die holder, first side cut structure that punches a hole, bending structure, the second is to shaping structure downwards, the whole structure of plastic side and the second side cut structure that punches a hole of punching a hole, upper die base and die holder compound die are once, can accomplish a plurality of process steps simultaneously, not only can realize the continuous processing of hinge curb plate support, fast production, and can guarantee that the shape profile tolerance of hinge curb plate support requires and boundary dimension meets the requirements, the yield.

Drawings

FIG. 1 is a first perspective shape view of left and right pieces of a hinged sideplate support.

Fig. 2 is a schematic diagram of the left and right members of the hinged sideplate support in a second perspective.

FIG. 3 is a schematic view of the unfolded shape and connecting strip of the left and right pieces cut by the punch guide holes and the cutting structure.

Fig. 4 is a schematic structural view of the processing mold of the present invention.

Fig. 5 is a schematic diagram of a part a enlarged in fig. 4, namely a schematic diagram of a punching guide hole shearing blanking structure.

Fig. 6 is a partially enlarged view of a portion B in fig. 4, namely, a view of the first downward forming structure.

Fig. 7 is a partially enlarged view of a part C in fig. 4, namely a view of a first punching side-cutting structure.

Fig. 8 is a partially enlarged view at D in fig. 4, i.e., a view of the second downward forming structure.

Fig. 9 is a schematic diagram of a part of an enlarged part at E in fig. 4, namely a schematic diagram of a shaping side finishing structure.

Fig. 10 is a partially enlarged view of F in fig. 4, that is, a view of a second punched-side punch-out cut-off structure.

Fig. 11 is a schematic view of the bending structure of the processing mold of the present invention.

Fig. 12 is a schematic view of a second punching side-piercing cutting structure according to the present invention.

Fig. 13 is the process schematic diagram of the continuous processing of the material belt corresponding to the processing mold of the present invention, which corresponds to the first process step.

Fig. 14 is the utility model discloses a process schematic diagram of the continuous processing is taken to the material that the mold processing corresponds, corresponds second process step ~ seventh process step.

Detailed Description

A processing die of a hinge side plate bracket of an automobile seat comprises a punching and guiding hole shearing blanking structure, wherein the punching and guiding hole shearing blanking structure is used for shearing unfolding shapes D1 and D2 of left and right workpieces forming the hinge side plate bracket and is used for shearing and forming a connecting band D3 for connecting the left and right workpieces, as shown in figure 3, the connecting band D3 comprises an elliptical annular soft band D32 and a strip-shaped connecting part D31, and two ends of the soft band D32 are respectively connected with the left and right workpieces through the connecting part D31.

As shown in fig. 4 to 12, specifically, a first downward forming structure, a first punching side cutting structure, a bending structure, a second downward forming structure, a shaping side trimming structure and a second punching side punching cutting structure are sequentially arranged between an upper die base 1 and a lower die base 2 of the processing die in the feeding direction;

the first downward forming structure comprises a first downward forming pressure plate 13, a first downward forming punch 12 and a first downward forming female die 14, the first downward forming pressure plate 13 is installed below the upper die base through a guide pillar and a guide sleeve and is guided by the first downward forming punch 12, the first downward forming punch 12 is installed below the upper die base, and the first downward forming female die 14 is installed on the lower die base and is matched with the downward forming male die 12;

the first punching side-cutting structure comprises a first punching stripper plate 15, a first punching stripper plate insert (a first punching top stripper plate insert 16a, a first punching side stripper plate insert 16 b), a first punching punch, a first punching die case, a side-cutting driving block 17, a side-cutting slide block 18, a side-cutting punch 19, a side-cutting edge 20 and a first punching side-cutting sinking disc 21, wherein the first punching stripper plate 15 is arranged below the upper die base 1 through a guide pillar and a guide sleeve and limited by a hook, the first punching stripper plate insert is arranged below the first punching stripper plate 15, the first punching punch is arranged below the upper die base 1 and can downwards pass through the first punching stripper plate 15 and the first punching stripper plate insert 16a, the first punching die case is arranged below the first punching side-cutting sinking disc 21 and is matched with the first punching punch, the side-cutting driving block 17 is arranged below the upper die base 1 and is matched with the side-cutting slide block 18 through an inclined plane, the side cutting slide block 18 is installed on the lower die base 2 through a guide pressure plate in a sliding guide mode and is reset through a nitrogen spring, the side cutting punch 19 is installed on the side cutting slide block 18, the side cutting edge 20 is installed on a first punching side cutting sinking disc 21 and is matched with the side cutting punch 19, and the first punching side cutting sinking disc 21 is installed on the lower die base 2 and is matched with a first punching stripper plate insert 16 a;

the bending structure comprises a bending stripper plate 22, a bending stripper plate insert 23, an outer side driving block 24, an outer side sliding block 25, an outer side forming punch 26, an inner side driving block 27, an inner side sliding block 28, an inner side forming die 29 and a bending sinking disc, the bending stripper plate 22 is mounted below the upper die holder 1 through a guide post and a guide sleeve and limited by a hook, the bending stripper plate insert 23 is mounted below the bending stripper plate 22, the outer side driving block 24 and the inner side driving block 27 are mounted below the upper die holder 1 and respectively matched with the outer side sliding block 25 and the inner side sliding block 28 through inclined planes, the outer side sliding block 25 and the inner side sliding block 28 are mounted on the lower die holder 2 through a guide pressure plate in a sliding guide manner and reset through a nitrogen spring, the outer side forming punch 26 is mounted on the outer side sliding block 25, the inner side forming die 29 is mounted on the inner side sliding block 28 and matched with the outer side forming punch 26, and the bending sinking disc is mounted on the lower; wherein, 30 is an upper die heightening plate arranged below the upper die holder 1, and 31 is a lower die heightening plate arranged on the lower die holder 2;

the second downward forming structure comprises a second downward forming stripper plate 32, a second downward forming stripper plate insert 33, a second downward forming punch 34, a second downward forming punch 35 and a second downward forming sinking disc 36, the second downward forming stripper plate 32 is mounted below the upper die base 1 through a guide pillar and a guide sleeve and limited by a hook, the second downward forming stripper plate insert 33 is mounted below the second downward forming stripper plate 32, the second downward forming punch 34 is mounted below the upper die base 1 and can downwards penetrate through the second downward forming stripper plate 32 and the second downward forming stripper plate insert 33, the second downward forming punch 35 is mounted on the lower die base 2 and matched with the second downward forming punch 34, and the second downward forming sinking disc 36 is mounted on the lower die base 2 and matched with the second downward forming stripper plate insert 33;

the shaping side shaping structure comprises a shaping side shaping stripper plate 37, a stripper plate shaping block 38, an upper die shaping block 39, a shaping convex die 40, a lower die shaping insert 41, a side shaping driving block 42, a side shaping sliding block 43, a side shaping punch and a side shaping block, wherein the shaping side shaping stripper plate 37 is arranged below an upper die base 1 through a guide pillar and a guide sleeve and limited by a hook, the stripper plate shaping block 38 is arranged below the shaping side shaping stripper plate 37, the upper die shaping block 39 is arranged below the upper die base 1 and can downwards penetrate through the shaping side shaping stripper plate 37 and the stripper plate shaping block 38, the shaping convex die 40 is arranged on a lower die base 2 and is matched with the stripper plate shaping block 38 and the upper die shaping block 39, the lower die shaping insert 41 is arranged on the shaping convex die 40 and is matched with the upper die shaping block 39, the side shaping driving block 42 is arranged below the upper die base 1 and is matched with the side shaping sliding block 43 through an inclined plane, the side shaping sliding guide sliding block, the side shaping punch is arranged on the side shaping sliding block 43, and the side shaping block is arranged on the shaping convex die 40 and matched with the side shaping punch;

the second punching side punching hole cutting structure comprises a second punching stripper plate 44, a second punching stripper plate insert 45, a second punching punch, a second punching concave die sleeve, a side punching hole driving block 50, a side punching slide block 51, a side punching punch 52, a side punching concave die sleeve 53, a cutting punch 46, a cutting knife edge 47 and a second punching side punching hole cutting sinking disc 48,

the second punching stripper plate 44 is arranged below the upper die base 1 through a guide post and a guide sleeve and is limited by a hook, the second punching stripper plate insert 45 is arranged below the second punching stripper plate 44, the second punching punch and the cutting punch 46 are arranged below the upper die base 1 and can downwards pass through the second punching stripper plate 44 and the second punching stripper plate insert 45, the second punching concave die sleeve and the cutting knife edge 47 are arranged on the second punching side punching cutting sinking disc 48 and are respectively matched with the second punching punch and the cutting punch 46,

the side punching driving block 50 is arranged below the upper die holder 1 and is matched with the side punching slider 51 through an inclined plane, the side punching slider 51 is arranged on the lower die holder 2 through a guide pressure plate in a sliding guide manner, the side punching punch 52 is arranged on the side punching slider 51 through a punch clamping plate and a backing plate, and the side punching concave die sleeve 53 is arranged on the second punching side punching cut-off sinking disc 48 and is matched with the side punching punch 52; 49 is a second punching side punching hole, cuts off the floating material strip, is arranged on the lower die base 2 through a guide pillar and a guide sleeve and is limited by an equal-height screw, and 54 is a material pressing assembly.

The punching and guiding hole shearing blanking structure comprises a punching and guiding hole shearing stripping plate 3, a punching and guiding hole first shearing structure, a second shearing structure, a third shearing structure, a fourth shearing structure, a fifth shearing structure and a punching and guiding hole shearing sinking plate 10, wherein the punching and guiding hole shearing stripping plate 3 is installed below the upper die base 1 through a guide pillar and a guide sleeve and limited through a hook, and the punching and guiding hole shearing sinking plate 10 is installed on the lower die base 2;

the first shearing blanking structure for the punching guide hole comprises a first shearing stripper plate insert for the punching guide hole, a punching guide hole punch 4, a concave die sleeve for the punching guide hole 5, a first shearing punch 6 and a first shearing knife edge 7, wherein the first shearing stripper plate insert for the punching guide hole is arranged below the shearing stripper plate for the punching guide hole 3, the punching guide hole punch 4 and the first shearing punch 6 are arranged below the upper die base 1 and can downwards penetrate through the shearing stripper plate for the punching guide hole 3 and the first shearing stripper plate insert for the punching guide hole, and the concave die sleeve for the punching guide hole 5 and the first shearing knife edge 7 are arranged on a shearing sinking disc for the punching guide hole 10 and are respectively matched with the punching guide hole punch 4 and the first shearing punch 6;

the second shearing structure comprises a second shearing stripper plate insert, a second shearing punch 8 and a second shearing edge 9, the second shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate 3, the second shearing punch 8 is installed below the upper die base 1 and can downwards penetrate through the punching and guiding hole shearing stripper plate 3 and the second shearing stripper plate insert, and the second shearing edge 9 is installed on the punching and guiding hole shearing sinking plate 10 and is matched with the second shearing punch 8;

the third shearing structure comprises a third shearing stripper plate insert, a third shearing punch and a third shearing knife edge, the third shearing stripper plate insert is arranged below the punching guide hole shearing stripper plate, the third shearing punch is arranged below the upper die base 1 and can downwards penetrate through the punching guide hole shearing stripper plate and the third shearing stripper plate insert, and the third shearing knife edge is arranged on the punching guide hole shearing sinking disc and is matched with the third shearing punch;

the fourth shearing structure comprises a fourth shearing stripper plate insert, a fourth shearing punch and a fourth shearing knife edge, the fourth shearing stripper plate insert is installed below the punching guide hole shearing stripper plate, the fourth shearing punch is installed below the upper die base 1 and can downwards penetrate through the punching guide hole shearing stripper plate and the fourth shearing stripper plate insert, and the fourth shearing knife edge is installed on the punching guide hole shearing sinking disc and is matched with the fourth shearing punch;

the fifth shearing structure comprises a fifth shearing stripper plate insert, a fifth shearing punch and a fifth shearing knife edge, the fifth shearing stripper plate insert is arranged below the punching guide hole shearing stripper plate, the fifth shearing punch is arranged below the upper die base 1 and can downwards penetrate through the punching guide hole shearing stripper plate and the fifth shearing stripper plate insert, and the fifth shearing knife edge is arranged on the punching guide hole shearing sinking disc and is matched with the fifth shearing punch; and 11, punching a guide hole to shear the floating material strip and installing and limiting the floating material strip in the guide hole of the punching guide hole shearing sinking plate through a guide copper block. The third, fourth and fifth shearing structures are not shown in the figures and reference can be made to the second shearing structure, differing only in the shape, the shearing portion of the respective shearing punch and the shearing edge.

Use the utility model discloses a mold processing processes car seat's hinge curb plate support, and its upper die base and die holder compound die are once, can accomplish a plurality of process steps simultaneously, as shown in fig. 13, fig. 14:

first step (STA 1# -5 #): the material belt is continuously sheared to form the unfolded shapes of the left and right workpieces of the hinge side plate bracket, a connecting belt for shearing the left and right workpieces and a guide pin hole for subsequently positioning the workpieces;

second step (OP 10): a first downward forming material pressing plate of the first downward forming structure is matched with a first downward forming female die for pressing, the first downward forming female die is matched with a first downward forming male die, and a circle of flanging at the outer edge of a formed part is formed;

third step (OP 20): the first punching top stripper plate insert, the first punching side stripper plate insert and the first punching side cutting sinking disc of the first punching side cutting structure are matched for pressing, the first punching punch and the first punching concave die sleeve are matched for punching a circle of small holes at the arc edge of a workpiece, and waste at the second side plate of the workpiece is cut (the waste can avoid the unstable size of the straight edge at the second side plate of the workpiece caused by material flowing in the downward forming process of OP 20), and the side cutting punch and the side cutting edge are matched for cutting waste at the connection part of the inward bending part at the third straight edge and the flanging at the arc edge (the waste can avoid the cracking of the flanging at the third straight edge and the flanging at the arc edge in the downward forming process of OP 20);

fourth step (OP 30): a bending sinking disc of the bending structure is matched with a positioning needle to support a positioning plate, then an inner side forming female die moves in place under the action of an inner side driving block and an inner side sliding block, then a bending stripper plate insert is matched with the inner side forming female die to press a bending sinking disc, then an outer side forming punch is matched with the inner side forming female die to bend the bottom of a flanging of a third straight edge of a workpiece inwards, and finally the inner side forming female die is reset under the action of the inner side sliding block, so that a material belt can be separated from the inner side forming female die;

fifth process step (OP 40): the second downward forming stripper plate insert of the second downward forming structure is matched with the second downward forming sinking disc and the second downward forming male die for pressing, and the second downward forming punch and the second downward forming male die are matched for turning over the second side plate of the workpiece downwards and bending the lower end of the second side plate outwards;

sixth process step (OP 50): the material removing plate shaping block, the shaping male die and the side shaping block of the shaping side shaping structure are matched to shape the top surface of the workpiece, the upper die shaping block and the lower die shaping insert are matched to shape a first side plate of the workpiece, and the side shaping punch and the side shaping block are matched to laterally shape a second side plate of the workpiece;

seventh process step (OP 60): the second punching stripper plate insert and the pressing assembly of the second punching side punching cut-off structure are matched with the second punching side punching cut-off sinking disc to press materials, the second punching punch is matched with the second punching concave die sleeve to punch out a hole position required by the top surface of a workpiece and a boundary required by the first side plate, the side punching punch is matched with the side punching concave die sleeve to punch out a hole position required by the second side plate, the cutting punch is matched with the cutting edge, and the connecting band is cut off to obtain finished products of left and right workpieces of the hinge side plate support.

Claims (5)

1. The utility model provides a mold processing of car seat's hinge curb plate support, is including dashing bullport shearing blanking structure, dash bullport shearing blanking structure and be used for shearing the expansion appearance that forms the left and right finished piece of hinge curb plate support and be used for shearing the connecting band that forms the connection left and right finished piece, its characterized in that: the connecting band includes annular soft area and banded connecting portion, the both ends in soft area respectively through connecting portion with left and right finished piece links to each other.

2. The processing mold of the hinge side plate bracket of the automobile seat as claimed in claim 1, wherein: the soft belt is in an elliptical ring shape.

3. The processing mold of the hinge side plate bracket of the automobile seat as claimed in claim 1, wherein: and a first downward forming structure, a first punching side cutting structure, a bending structure, a second downward forming structure, a shaping side finishing structure and a second punching side hole cutting structure which are sequentially arranged along the feeding direction are arranged between the upper die base and the lower die base of the processing die.

4. The processing mold of the hinge side plate bracket of the automobile seat as claimed in claim 3, wherein: the first downward forming structure comprises a first downward forming pressure plate, a first downward forming punch and a first downward forming female die, the first downward forming pressure plate is mounted below the upper die holder through a guide pillar and a guide sleeve and is guided by the first downward forming punch, the first downward forming punch is mounted on the upper die holder, and the first downward forming female die is mounted on the lower die holder and is matched with the downward forming male die;

the first punching side-cutting structure comprises a first punching stripper plate, a first punching stripper plate insert, a first punching punch, a first punching female die sleeve, a side-cutting driving block, a side-cutting slide block, a side-cutting punch, a side-cutting edge and a first punching side-cutting sinking disc, wherein the first punching stripper plate is arranged below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the first punching stripper plate insert is arranged below the first punching stripper plate, the first punching punch is arranged below the upper die base and can downwards penetrate through the first punching stripper plate and the first punching stripper plate insert, the first punching female die sleeve is arranged on the first punching side-cutting sinking disc and matched with the first punching punch, the side-cutting driving block is arranged below the upper die base and matched with the side-cutting slide block through an inclined plane, the side-cutting slide block is slidably arranged on the lower die base through a guide pressure plate and reset through a nitrogen spring, the side cutting punch is mounted on the side cutting slide block, the side cutting edge is mounted on the first punching side cutting sinking disc and matched with the side cutting punch, and the first punching side cutting sinking disc is mounted on the lower die seat and matched with the first punching stripper plate insert;

the bending structure comprises a bending stripper plate, a bending stripper plate insert, an outer side driving block, an outer side sliding block, an outer side forming punch, an inner side driving block, an inner side sliding block and an inner side forming die, the bending stripper plate is mounted below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the bending stripper plate insert is mounted below the bending stripper plate, the outer side driving block and the inner side driving block are mounted below the upper die base and respectively matched with the outer side sliding block and the inner side sliding block through inclined planes, the outer side sliding block and the inner side sliding block are mounted on the lower die base through a guide pressing plate in a sliding guide mode and reset through a nitrogen spring, the outer side forming punch is mounted on the outer side sliding block, and the inner side forming die is mounted on the inner side sliding block and matched with the outer side forming punch;

the second downward forming structure comprises a second downward forming stripper plate, a second downward forming stripper plate insert, a second downward forming punch, a second downward forming male die and a second downward forming sink plate, the second downward forming stripper plate is mounted below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the second downward forming stripper plate insert is mounted below the second downward forming stripper plate, the second downward forming punch is mounted below the upper die base and can downwards penetrate through the second downward forming stripper plate and the second downward forming stripper plate insert, the second downward forming male die is mounted on the second downward forming sink plate and matched with the second downward forming punch, and the second downward forming sink plate is mounted on the lower die base and matched with the second downward forming stripper plate insert;

the shaping side shaping structure comprises a shaping side shaping stripper plate, a stripper plate shaping block, an upper die shaping block, a shaping convex die, a lower die shaping insert, a side shaping driving block, a side shaping sliding block, a side shaping punch and a side shaping block, wherein the shaping side shaping stripper plate is arranged on the upper die base through a guide pillar and a guide sleeve and is limited by a hook, the stripper plate shaping block is arranged below the shaping side shaping stripper plate, the upper die shaping block is arranged below the upper die base and can downwards penetrate through the shaping side shaping stripper plate and the stripper plate shaping block, the shaping convex die is arranged on the lower die base and is matched with the stripper plate shaping block and the upper die shaping block, the lower die shaping insert is arranged on the shaping convex die and is matched with the upper die shaping block, the side shaping driving block is arranged below the upper die base and is matched with the side shaping sliding block through an inclined plane, the side shaping sliding block is installed on the lower die base in a sliding guide mode through a guide pressing plate and is reset through a nitrogen spring, the side shaping punch is installed on the side shaping sliding block, and the side shaping block is installed on a shaping male die and is matched with the side shaping punch;

the second punching side-punching hole cutting structure comprises a second punching stripper plate, a second punching stripper plate insert, a second punching punch, a second punching concave die sleeve, a side-punching hole driving block, a side-punching slider, a side-punching punch, a side-punching concave die sleeve, a cutting punch, a cutting knife edge and a second punching side-punching hole cutting sinking disc, the second punching stripper plate is mounted below the upper die base through a guide pillar and a guide sleeve and limited by a hook, the second punching stripper plate insert is mounted below the second punching stripper plate, the second punching punch and the cutting punch are mounted below the upper die base and can downwards penetrate through the second punching stripper plate and the second punching stripper plate insert, and the second punching concave die sleeve and the cutting knife edge are mounted on the second punching side-punching hole cutting sinking disc and respectively matched with the second punching punch and the cutting punch;

the side punching driving block is installed below the upper die base and matched with the side punching sliding block through an inclined plane, the side punching sliding block is installed on the lower die base in a sliding guiding mode through a guiding pressing plate, the side punching punch is installed on the side punching sliding block, and the side punching concave die sleeve is installed on the second punching side punching cutting sinking disc and matched with the side punching punch.

5. The processing mold of the hinge side plate bracket of the automobile seat as claimed in claim 4, wherein: the punching and guiding hole shearing blanking structure comprises a punching and guiding hole shearing stripper plate, a punching and guiding hole first shearing structure, a second shearing structure, a third shearing structure, a fourth shearing structure, a fifth shearing structure and a punching and guiding hole shearing sinking disc, wherein the punching and guiding hole shearing stripper plate is arranged below the upper die base through a guide pillar and a guide sleeve and limited by a hook, and the punching and guiding hole shearing sinking disc is arranged on the lower die base;

the first punching and guiding hole shearing structure comprises a first punching and guiding hole shearing and stripping plate insert, a punching and guiding hole punch, a punching and guiding hole female die sleeve, a first shearing punch and a first shearing knife edge, wherein the first punching and guiding hole shearing and stripping plate insert is arranged below the punching and guiding hole shearing and stripping plate, the punching and guiding hole punch and the first shearing punch are arranged below the upper die base and can downwards penetrate through the punching and guiding hole shearing and stripping plate and the first punching and guiding hole shearing and stripping plate insert, and the punching and guiding hole female die sleeve and the first shearing knife edge are arranged on the punching and guiding hole shearing sinking disc and are respectively matched with the punching and guiding hole punch and the first shearing punch;

the second shearing structure comprises a second shearing stripper plate insert, a second shearing punch and a second shearing knife edge, the second shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the second shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the second shearing stripper plate insert, and the second shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the second shearing punch;

the third shearing structure comprises a third shearing stripper plate insert, a third shearing punch and a third shearing knife edge, the third shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the third shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the third shearing stripper plate insert, and the third shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the third shearing punch;

the fourth shearing structure comprises a fourth shearing stripper plate insert, a fourth shearing punch and a fourth shearing knife edge, the fourth shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the fourth shearing punch is installed below the upper die base and can downwards penetrate through the punching and guiding hole shearing stripper plate and the fourth shearing stripper plate insert, and the fourth shearing knife edge is installed on the punching and guiding hole shearing sinking disc and is matched with the fourth shearing punch;

the fifth shearing structure comprises a fifth shearing stripper plate insert, a fifth shearing punch and a fifth shearing knife edge, the fifth shearing stripper plate insert is installed below the punching and guiding hole shearing stripper plate, the fifth shearing punch is installed below the upper die base and can penetrate through the punching and guiding hole shearing stripper plate and the fifth shearing stripper plate insert downwards, and the fifth shearing knife edge is installed on the punching and guiding hole shearing sinking disc and matched with the fifth shearing punch.

Images