CN202893970U

CN202893970U - Punching mould for car front main rocker arm

Info

Publication number: CN202893970U
Application number: CN 201220606497
Authority: CN
Inventors: 顾建军
Original assignee: Wuxi Aibo Metal Products Co Ltd
Current assignee: Wuxi Aibo Metal Products Co Ltd
Priority date: 2012-11-16
Filing date: 2012-11-16
Publication date: 2013-04-24
Anticipated expiration: 2022-11-16

Abstract

The utility model provides a punching mould for a car front main rocker arm. The punching mould enables through holes in different planes to be formed in a one-step punching mode, is high in process efficiency, and can improve process precision and process quality. The punching mould comprises an upper mould structure and a lower mould structure. The upper mould structure comprises an upper template and an upper fixing plate. The upper fixing plate is arranged under the upper template through an upper padding plate. The lower mould structure comprises a lower template and a lower fixing plate. The lower fixing plate is installed on the lower template through a lower padding plate. The upper mould structure and the lower mould structure are combined in a guiding mode through a sliding guide post assembly. The punching mould is characterized in that the upper mould structure further comprises a discharge plate and a punching punch, the lower mould structure further comprises a punching female mould, the discharge plate is installed below the upper fixing plate through a fixing bolt in a lifting mode, the upper end of the punching punch is fixed on the upper padding plate, the lower end of the punching punch penetrates through the upper fixing plate and the discharge plate, the position, corresponding to the punching punch, on the punching female mould is inserted into the lower fixing plate, the punching female mould is provided with a female mould hole, and to-be-processed work-pieces are located and pressed through the discharge plate and the punching female mould during a punching process.

Description

The punching die of master rocker before a kind of car

Technical field

The utility model relates to the car parts processing technique field, is specially the punching die of the front master rocker of a kind of car.

Background technology

Master rocker before a kind of car, see Fig. 1 and Fig. 2, its two ends and central part have a plurality of through holes not of uniform size along axis of pitch, and wherein axis of pitch also evenly has three small sircle holes 35 in locating hole 34 external circumferential of left side stub end, 36,37, one of them small sircle hole 35 also is positioned on the axis of pitch, since this part at both ends and central part have respectively the bending design of different angles, so the through hole of these both ends and central part lays respectively at different planes, mostly through hole for the Different Plane place was to carry out respectively punching processing in the past, it is low that it adds efficient, and repeatedly processing easily causes the overlapping position error of part, affects machining accuracy and the crudy of part.Among Fig. 1,38,39,40 are all the other through holes to be processed.

Summary of the invention

For the problems referred to above, the utility model provides the punching die of the front master rocker of a kind of car, and it can be to being in the through hole one-off hole-piercing moulding on the Different Plane, and working (machining) efficiency is high, and can improve machining accuracy and crudy.

Its technical scheme is such, it comprises upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern and upper mounted plate, the fixed plate is installed under the fixed plate by upper padding plate, described lower die structure comprises lower bolster and bottom plate, described bottom plate is installed on the described lower bolster by lower bolster, described upper die structure and lower die structure are by slip guide pillar assembly guiding matched moulds, it is characterized in that: described upper die structure also comprises stripper and pierce punch, described lower die structure also comprises punching concave die, described stripper is lifted on fixed plate below by set bolt, described upper padding plate is fixed in described pierce punch upper end, fixed plate and described stripper are passed in the lower end, the corresponding described pierce punch of described punching concave die position insert is in described bottom plate, have die hole on the described punching concave die, workpiece to be processed is by described stripper and punching concave die positioning compression during punching processing.

It is further characterized in that:

Described pierce punch comprises that stub end first drift, three stub end the second drifts, a little drift of central authorities, a large drift of central authorities and a microcephaly hold drift; Described three stub end the second drifts are along the outside that circumferentially is evenly arranged in described stub end the first drift;

Described punching concave die comprises that stub end die, central aperture die, central macropore die and microcephaly hold die;

Corresponding described stub end the first drift, stub end the second drift have first die hole and three the second die holes on the described stub end die, and the position of corresponding described three stub end the second drifts of described three the second die holes is evenly arranged in the external circumferential of described the first die hole;

Described stripper bottom, be positioned at described microcephaly and hold the position of drift by set bolt the binder mold insert to be installed;

Described microcephaly holds drift to pass described binder mold insert;

Described stripper bottom surface, have the workpiece locating slot along the axis of pitch symmetry;

Described stripper bottom surface is provided with continuous step surface.

It further is characterised in that:

Also be located by connecting by little guide pillar guide sleeve structure between described stripper and the described bottom plate; Described little guide pillar guide sleeve structure comprises little guide pillar and little guide pin bushing, and described little guide pin bushing is installed in the described bottom plate, and described little guide pillar is fixed in described upper padding plate and passes fixed plate, described stripper.

Adopt the utility model mould to carry out a plurality of punching processing of the front master rocker of car, its beneficial effect is: its according to the punching position of workpiece to be processed with the punching concave die insert in bottom plate, only treating that the punching processing position is with Work-sheet pressing by stripper and punching concave die, thereby can be to being in the through hole one-off hole-piercing moulding on the Different Plane, greatly improved working (machining) efficiency, effectively avoid the repeatedly accumulation position error brought of punching moulding of multiple clamping in the past, guaranteed machining accuracy and crudy; In addition, the stripper bottom, be positioned at the position that the microcephaly holds drift the binder mold insert is installed, the stripper bottom surface, have the workpiece locating slot along the axis of pitch symmetry, can guarantee that workpiece compresses more reliably; And the stripper bottom surface is provided with continuous step surface, can guarantee that the remainder of workpiece is particularly avoided the punching press of stripper in the dogleg section of Different Plane, thereby avoids the workpiece integer again after the punching, further improves working (machining) efficiency; In addition, also be located by connecting by little guide pillar guide sleeve structure between stripper and the bottom plate, also further guaranteed the guide-localization precision in upper die structure and the lower die structure punching matched moulds process.

Description of drawings

Fig. 1 is the front master rocker structural representation of the car of the utility model processing;

Fig. 2 is that the A-A of Fig. 1 is to structural representation;

Fig. 3 is the punching die structure schematic diagram of master rocker before a kind of car of the utility model;

Fig. 4 is the lower die structure plan structure schematic diagram of the punching die of master rocker before a kind of car of the utility model;

Fig. 5 be the punching die of master rocker before a kind of car of utility model upper die structure look up structural representation;

Fig. 6 is the main TV structure schematic diagram of the stripper of the punching die of master rocker before a kind of car of the utility model;

Fig. 7 is the structural representation of looking up of Fig. 6.

The specific embodiment

See Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the utility model mould comprises upper die structure and lower die structure, upper die structure comprises cope match-plate pattern 1 and upper mounted plate 6, upper mounted plate 6 is installed on described cope match-plate pattern 1 time by upper padding plate 5, lower die structure comprises lower bolster 2 and bottom plate 7, bottom plate 7 is installed on the lower bolster 2 by lower bolster 4, upper die structure and lower die structure are by slip guide pillar assembly 20 guiding matched moulds, upper die structure also comprises stripper 8 and pierce punch, lower die structure also comprises punching concave die, stripper 8 is lifted on upper mounted plate 6 belows by set bolt 21, upper padding plate 5 is fixed in the pierce punch upper end, upper mounted plate 6 and stripper 8 are passed in the lower end, the corresponding pierce punch of punching concave die position insert is in bottom plate 7, have die hole on the punching concave die, workpiece to be processed 22 is by stripper 8 and punching concave die positioning compression.Pierce punch comprises that a stub end the first drift 14, three stub end the second drifts 13, a little drift 15 of central authorities, a large drift 16 of central authorities and a microcephaly hold drift 17; Three stub end the second drifts 13 are evenly arranged in the periphery of stub end the first drift 14; Punching concave die comprises that stub end die 10, central aperture die 23, central macropore die 24 and microcephaly hold die 25; The position that corresponding stub end the first drift 14, stub end the second drift 13 have first

die hole

26 and 27, three the second die holes of three the second die holes, 27 corresponding three stub end the second drifts 13 on the stub end die 10 is evenly arranged in the external circumferential of the first die hole 26; Stripper 8 bottoms, be positioned at the microcephaly and hold the position of drift 17 by set bolt 33 binder mold insert 9 to be installed; The microcephaly holds drift 17 to pass binder 9 mold inserts; Stripper 8 bottom surfaces, have workpiece locating slot 28 along the axis of pitch symmetry; Stripper 8 bottom surfaces are provided with continuous step surface 29; Also be located by connecting by little guide pillar guide sleeve structure between stripper 8 and the bottom plate 7; Little guide pillar guide sleeve structure comprises little guide pillar 18 and little guide pin bushing 19, and little guide pin bushing 19 is installed in the bottom plate 7, and little guide pillar 18 is fixed in upper padding plate 5 and passes upper mounted plate 6 and stripper 8.Among Fig. 3,3 for being installed on the bottom seat pad under the lower bolster 2, and 11 is locating pin, and 12 for being installed on the upper die shank of cope match-plate pattern 1; Among Fig. 4,30,31,32 correspond to respectively the die hole that central aperture die 23, central macropore die 24 and microcephaly hold die 25.

Claims

1. the punching die of master rocker before the car, it comprises upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern and upper mounted plate, the fixed plate is installed under the fixed plate by upper padding plate, described lower die structure comprises lower bolster and bottom plate, described bottom plate is installed on the described lower bolster by lower bolster, described upper die structure and lower die structure are by slip guide pillar assembly guiding matched moulds, it is characterized in that: described upper die structure also comprises stripper and pierce punch, described lower die structure also comprises punching concave die, described stripper is lifted on fixed plate below by set bolt, described upper padding plate is fixed in described pierce punch upper end, fixed plate and described stripper are passed in the lower end, the corresponding described pierce punch of described punching concave die position insert is in described bottom plate, have die hole on the described punching concave die, workpiece to be processed is by described stripper and punching concave die positioning compression during punching processing.

2. the punching die of master rocker before a kind of car according to claim 1, it is characterized in that: described pierce punch comprises that stub end first drift, three stub end the second drifts, a little drift of central authorities, a large drift of central authorities and a microcephaly hold drift; Described three stub end the second drifts are along the outside that circumferentially is evenly arranged in described stub end the first drift.

3. the punching die of master rocker before a kind of car according to claim 2, it is characterized in that: described punching concave die comprises that stub end die, central aperture die, central macropore die and microcephaly hold die.

4. the punching die of master rocker before a kind of car according to claim 3, it is characterized in that: corresponding described stub end the first drift, stub end the second drift have first die hole and three the second die holes on the described stub end die, and the position of corresponding described three stub end the second drifts of described three the second die holes is evenly arranged in the external circumferential of described the first die hole.

5. the punching die of master rocker before a kind of car according to claim 4 is characterized in that: described stripper bottom, be positioned at described microcephaly and hold the position of drift by set bolt the binder mold insert to be installed.

6. the punching die of master rocker before a kind of car according to claim 5, it is characterized in that: described microcephaly holds drift to pass described binder mold insert.

7. the punching die of master rocker before a kind of car according to claim 6 is characterized in that: described stripper bottom surface, have the workpiece locating slot along the axis of pitch symmetry.

8. the punching die of master rocker before a kind of car according to claim 7, it is characterized in that: described stripper bottom surface is provided with continuous step surface.

9. the punching die of master rocker before a kind of car according to claim 8 is characterized in that: also be located by connecting by little guide pillar guide sleeve structure between described stripper and the described bottom plate; Described little guide pillar guide sleeve structure comprises little guide pillar and little guide pin bushing, and described little guide pin bushing is installed in the described bottom plate, and described little guide pillar is fixed in described upper padding plate and passes fixed plate, described stripper.