CN202571034U

CN202571034U - Forming mould for simultaneously bending outer outline of box-shaped element by shoveling

Info

Publication number: CN202571034U
Application number: CN 201220276777
Authority: CN
Inventors: 郭新年; 上官雄辉; 田辉仲
Original assignee: GUANGDONG KELON MOULD CO Ltd
Current assignee: GUANGDONG KELON MOULD CO Ltd
Priority date: 2012-06-12
Filing date: 2012-06-12
Publication date: 2012-12-05
Anticipated expiration: 2022-06-12

Abstract

The utility model discloses a forming mould for simultaneously bending the outer outline of a box-shaped element by shoveling, which comprises an upper template, a guide pillar guide sleeve assembly, a first elastic element, a first pressure plate, a lower template, a lower die locating plate assembly, a die holder and four tapered wedge mechanisms, wherein the guide pillar guide sleeve assembly, the first elastic element and the first pressure plate are arranged on the upper template; the lower die locating plate assembly is arranged on the lower template; the lower template is arranged on the die holder; and the four tapered wedge mechanisms are distributed on the corresponding positions to be processed on a formed product. According to the forming mould for simultaneously bending the outer outline of the box-shaped element by shoveling, which is disclosed by the utility model, the four corner circular arc edges and four straight edges of the outer outline of the box-shaped element can be simultaneously formed; the flow stability of the material in a bending deformation process is greatly improved; the phenomenon that the material is thinned and lengthened due to the internal characteristics of deformation because forming is finished in two times in the traditional technical scheme is avoided; a workpiece is prevented from generating various defects on a joint; and meanwhile, various inwards-bending edges are simultaneously formed by the same set of mould so as to reduce the product development cost, the batch production cost and the expense.

Description

The box part outline shovels simultaneously and curves type die

Technical field

The utility model relates to box part mould technical field, and particularly a kind of box part outline shovels simultaneously and curves type die.

Background technology

Box part shovel curves the shaping mould that type die is a cover economical and efficient, especially concerning stainless box part forming process, the improvement of workpiece quality is had great importance.

With the baking oven panel is example, and material is that stainless steel SUS304 or SUS430, the thick 0.5-0.8mm of material are the front appearance parts of baking oven, and the outward appearance of the final assembled product of fine or not direct relation of its forming quality influences the market selling points of product.Therefore, the presentation quality of client's counter plate requires very strict.Appearance and size be except that satisfying the matching requirements, will guarantee that also the workpiece outer surface does not have impression, weighs, caves in, rises the defective of outward appearances such as drum, the angle of collapsing, scraping wounded.And as far as aforesaid stainless steel, solve these flaws fully is not the part nothing the matter.

At present, traditional process program is: adopt two molds to shovel the concave edge of o ing box part respectively, promptly four straight flanges of box part are bent by elder generation, the crooked again circular arc limit, bight that is connected with four straight flanges.This process program has inborn weak point: bend earlier after four straight flanges; The bent arc limit will cause the place that intersect arc surface and side, four straight flange junctions to play drum again, and local seamed edge fillet is inconsistent; The angle of collapsing is perhaps arranged, and the side can produce little fold.

The reason that produces above-mentioned defective is following:

One, odjective cause: the deformation characteristics according to BENDING PROCESS can be known, the constancy of volume of metal in the plastic history; After being shaped four straight flange concave edges, during bent plate, be the boundary again with the bending neutral layer; The inner layer metal tangential pressurized of sheet material and produce compression; Produce the radial strain increment, cut this increment, so material must move outside radial plate in radial plate always greater than zero; For monoblock sheet material, then neutral line moves in producing.The result who moves in the neutral line then causes the amount of swelling of the attenuation amount of outer layer metal greater than inner layer metal, thereby makes the overall attenuation of flexural deformation zone thickness of slab.By the constancy of volume principle, then the sheet material tangential of deformed region increases; The length that increases newly will show through forms such as wrinkling, a drum, circular arc subside, and produces open defect.And adopt two molds to shovel o ing respectively, and the balanced capacity of deformed region significantly reduces, and defective is more obvious.

Two, subjective reason: when adopting two molds to be formed separately, because personnel operation can produce various errors in processing and the assembling process, and various error accumulation also can aggravate generation of defects.

The utility model content

The utility model purpose of the utility model is the technical deficiency to existing box part mould, provides a kind of box part outline that reduces the product distortion to shovel simultaneously and curves type die.

For realizing above-mentioned utility model purpose, the technical scheme that the utility model adopts is:

Provide a kind of box part outline to shovel simultaneously and curve type die, comprise cope match-plate pattern and be arranged on guide pillar guide pin bushing assembly, first elastic component and first holding pad on the cope match-plate pattern; Lower bolster and be arranged on the counterdie positioning plate assembly on the lower bolster; Die holder; Said lower bolster is arranged on the die holder; Also comprise four Wedge mechanisms that are distributed in the corresponding position to be processed of shaped article, said Wedge mechanism comprises punch and punch mold insert, die, wedge and wedge fixed head, first block, slide plate and slide plate mold insert, holding pad, second elastic component, the 3rd elastic component, the 4th elastic component, slide plate block and second block; Wherein, said wedge is arranged on the cope match-plate pattern through the wedge fixed head and along with cope match-plate pattern moves up and down; Said slide plate is arranged on the lower bolster through the slide plate mold insert and can slides back and forth along lower bolster; The said slide plate block and second block all are arranged on the lower bolster, and the said slide plate block and second block are respectively applied for the coasting distance of restriction slide plate both sides, and said slide plate is connected with the slide plate block through second elastic component; Said punch is arranged on the slide plate through the punch mold insert and can slidably reciprocates along slide plate, and said punch is connected with die holder through the 3rd elastic component; Said holding pad is connected with punch through the 4th elastic component and can slidably reciprocates along punch; Said die is fixedly connected with first block and both are fixedly mounted on the slide plate; Said first block is provided with first cammed surface that contacts with wedge, thereby drives sliding of slide plate, and hypotenuse wedge parallel with first block until the wedge vertical edge contacts with punch; Said punch is provided with and is used for second cammed surface that cooperates with the hypotenuse of wedge, thereby drives sliding of punch, fits in one until punch and die.

Preferably, produce wearing and tearing when on lower bolster, sliding, be provided with friction plate between said slide plate and the lower bolster for anti-limited slip plate.

Preferably, loading and unloading for ease, said first elastic component, second elastic component, the 3rd elastic component, the 4th elastic component are the rectangle spring, and said first elastic component, second elastic component, the 3rd elastic component, the 4th elastic component are with respective element and are threaded.

The utility model is with respect to prior art; Have following beneficial effect: the utility model adopts the box part outline to shovel simultaneously to curve type die be shaped simultaneously the foursquare arc limit and four straight flanges of box part outline; The flow stability of material in bending deformation process significantly improves; Can not produce and make the intrinsic characteristic of material deformation as being shaped at twice in the traditional handicraft scheme and attenuation is elongated, prevent that workpiece from various defectives occurring at seam crossing.Meanwhile, same set of mould each concave edge that is shaped simultaneously, thus reduce product development cost and produce cost and reduction expense in batches.

Description of drawings

Fig. 1 shovels the mold closing front view that curves type die simultaneously for the utility model box part outline;

Fig. 2 is the A portion enlarged drawing of Fig. 1;

Fig. 3 shovels the die sinking front view that curves type die simultaneously for the utility model box part outline;

Fig. 4 shovels the die sinking vertical view that curves type die simultaneously for the utility model box part outline.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model purpose of the utility model is done to describe in further detail, embodiment can not give unnecessary details at this one by one, but therefore the embodiment of the utility model is not defined in following examples.Unless stated otherwise, the material and the processing method of the utility model employing are present technique field conventional material and processing method.

Shovel simultaneously and curve type die like Fig. 1,2, box part outline shown in 3 and 4, comprise cope match-plate pattern 1 and be arranged on guide pillar guide pin bushing assembly 11, first elastic component 12 and first holding pad 13 on the cope match-plate pattern 1; Lower bolster 2 and be arranged on the counterdie positioning plate assembly 21 on the lower bolster 2; Die holder 3.Lower bolster 2 is arranged on the die holder 3.

This mould also comprises four Wedge mechanisms 4 that are distributed in the corresponding position to be processed of shaped article, and Wedge mechanism comprises punch 41 and punch mold insert die 42, wedge 43 and wedge fixed head 51, first block 44, slide plate 45 and slide plate mold insert, holding pad 46, second elastic component 47, the 3rd elastic component 48, the 4th elastic component 49, slide plate block 40 and second block 50.

Wherein, wedge 43 is arranged on the cope match-plate pattern 1 through wedge fixed head 50 and along with cope match-plate pattern 1 moves up and down.Slide plate 45 is arranged on the lower bolster 2 through the slide plate mold insert and can slides back and forth along lower bolster 2.The slide plate block 40 and second block 50 all are arranged on the lower bolster 2, and the slide plate block 40 and second block 50 are respectively applied for the coasting distance of restriction slide plate 45 both sides, and slide plate 45 is connected with slide plate block 40 through second elastic component 47.Punch 41 is arranged on the slide plate 45 through the punch mold insert and can slidably reciprocates along slide plate 45, and punch 41 is connected with die holder 3 through the 3rd elastic component 48.Holding pad 46 is connected with punch 41 through the 4th elastic component 49 and can slidably reciprocates along punch 41.Die 42 is fixedly connected with first block 44 and both are fixedly mounted on the slide plate 45.First block 44 is provided with first cammed surface 441 that contacts with wedge 43, thereby drives sliding of slide plate 45, and hypotenuse 432 wedge 43 parallel with first block 44 contacts with punch 41 until wedge 43 vertical edges 431.Punch 41 is provided with and is used for second cammed surface 411 that cooperates with the hypotenuse 432 of wedge 43, thereby drives sliding of punch 41, fits in one until punch 41 and die 42.

Wedge 43 is at first run into first block 44 when descending; Impelling first block 44 to drive slide plate 45 is moved to the left with die 42; Make the shaping parts be adjacent to workpiece, then first block 44 remains static, and wedge 43 continues descending until coincideing with punch 41 second cammed surface 411; Punch 41 moves right, and forms action.

In addition, produce wearing and tearing when on lower bolster, sliding, be provided with friction plate 5 between slide plate 45 and the lower bolster 2 for anti-limited slip plate.

Loading and unloading for ease; First elastic component 12, second elastic component 47, the 3rd elastic component 48, the 4th elastic component 49 are the rectangle spring, and first elastic component 12, second elastic component 47, the 3rd elastic component 48, the 4th elastic component 49 are with respective element and are threaded.

In the work, at first mould is installed on the punch press, opens upper and lower template, put into workpiece; Punch press drive cope match-plate pattern 1 is descending, and first elastic component 12 is compressed, and first holding pad, 13 workpiece pressings also bounce back gradually; Cope match-plate pattern 1 continues descending, and wedge 43 at first touches first block 44, and whole Wedge mechanism drives die 42 and is moved to the left; And make die 42 be adjacent to workpiece, and parallel until wedge vertical edge 431 with first block 44, this moment die 42 and Wedge mechanism stop motion; Cope match-plate pattern 1 continues descending, and after the hypotenuse 432 of wedge 43 was run into punch 41, because the effect of wedge 43, punch 41 was fixed on the holding pad 46 beginning workpiece pressings on the punch 41 through the discharging screw, until the stroke end of holding pad 46 towards the motion of die 42 directions; Then punch 41 forms action with 42 pairs of workpiece of die.After the action that is shaped was accomplished, punch press was up, and wedge 43 moves upward, and wedge 43 at first breaks away from punch 41, and this moment, wedge 43 also contacted with first block 44, and die 42 keeps motionless; Under the effect of the 3rd elastic component 48, punch 41 carries out the backhaul action and leaves workpiece with holding pad 46, and wedge 43 continues up, begins to break away from first block 44; Under the effect of second elastic component 47 and slide plate block 40, whole Wedge mechanism drives die 42 backhauls and breaks away from workpiece, runs into the 50 back stop motions of second block until Wedge mechanism; Backhaul finishes, and takes out workpiece, and whole motion finishes.

The foregoing description is merely the preferred embodiment of the utility model, is not the practical range that is used for limiting the utility model.Be that all equalizations of being done according to the utility model content change and modification, all contained by the utility model claim scope required for protection.

Claims

1. a box part outline shovels simultaneously and curves type die, comprises cope match-plate pattern (1) and is arranged on guide pillar guide pin bushing assembly (11), first elastic component (12) and first holding pad (13) on the cope match-plate pattern (1); Lower bolster (2) and be arranged on the counterdie positioning plate assembly (21) on the lower bolster (2); Die holder (3); Said lower bolster (2) is arranged on the die holder (3); It is characterized in that: also comprise four Wedge mechanisms (4) that are distributed in the corresponding position to be processed of shaped article, said Wedge mechanism comprises punch (41) and punch mold insert, die (42), wedge (43) and wedge fixed head (51), first block (44), slide plate (45) and slide plate mold insert, holding pad (46), second elastic component (47), the 3rd elastic component (48), the 4th elastic component (49), slide plate block (40) and second block (50); Wherein, said wedge (43) is arranged on the cope match-plate pattern (1) and along with cope match-plate pattern (1) moves up and down through wedge fixed head (50); Said slide plate (45) is arranged on lower bolster (2) through the slide plate mold insert and goes up and can slide back and forth along lower bolster (2); Said slide plate block (40) all is arranged on the lower bolster (2) with second block (50); Said slide plate block (40) is respectively applied for the coasting distance that limits slide plate (45) both sides with second block (50), and said slide plate (45) is connected with slide plate block (40) through second elastic component (47); Said punch (41) is arranged on the slide plate (45) through the punch mold insert and can slidably reciprocates along slide plate (45), and said punch (41) is connected with die holder (3) through the 3rd elastic component (48); Said holding pad (46) is connected with punch (41) through the 4th elastic component (49) and can slidably reciprocates along punch (41); Said die (42) is fixedly connected with first block (44) and both are fixedly mounted on the slide plate (45); Said first block (44) is provided with first cammed surface (441) that contacts with wedge (43); Thereby drive sliding of slide plate (45), and hypotenuse (432) wedge (43) parallel with first block (44) until wedge (43) vertical edge (431) contacts with punch (41); Said punch (41) is provided with and is used for second cammed surface (411) that cooperates with the hypotenuse (432) of wedge (43), thereby drives sliding of punch (41), fits in one until punch (41) and die (42).

2. box part outline according to claim 1 shovels simultaneously and curves type die, it is characterized in that: be provided with friction plate (5) between said slide plate (45) and the lower bolster (2).

3. box part outline according to claim 1 shovels simultaneously and curves type die; It is characterized in that: said first elastic component (12), second elastic component (47), the 3rd elastic component (48), the 4th elastic component (49) are the rectangle spring, and said first elastic component (12), second elastic component (47), the 3rd elastic component (48), the 4th elastic component (49) are with respective element and are threaded.