CN202028679U - Punch for stamping high boss on plate metal - Google Patents

Punch for stamping high boss on plate metal Download PDF

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Publication number
CN202028679U
CN202028679U CN2010206682302U CN201020668230U CN202028679U CN 202028679 U CN202028679 U CN 202028679U CN 2010206682302 U CN2010206682302 U CN 2010206682302U CN 201020668230 U CN201020668230 U CN 201020668230U CN 202028679 U CN202028679 U CN 202028679U
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CN
China
Prior art keywords
boss
drift
punch
upper punch
sheet metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206682302U
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Chinese (zh)
Inventor
张文兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN YIHE MOLD MANUFACTURING CO LTD
Original Assignee
SHENZHEN YIHE MOLD MANUFACTURING CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN YIHE MOLD MANUFACTURING CO LTD filed Critical SHENZHEN YIHE MOLD MANUFACTURING CO LTD
Priority to CN2010206682302U priority Critical patent/CN202028679U/en
Application granted granted Critical
Publication of CN202028679U publication Critical patent/CN202028679U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a punch for stamping a high boss on a plate metal. The punch for stamping a high boss on a plate metal comprises a punch rod and a working area arranged above the punch rod for punching the boss. The working area comprises an upper punch a lower punch for the base material of the plate metal. The upper punch and the lower punch form a stair-stepped cylinder with the same axial. The upper punch is disposed at the end portion of the punch. The external diameter of the lower punch is greater than that of the upper punch. The step transverse plane of the lower punch is connected with the side wall of the upper punch. According to the utility model, through the principle of material extruding and flowing, materials at the periphery of a boss molding area plastic-flow to a projection area under the extrusion of outside force. That means, the materials are filled into the main part of the boss molding to increase the straight height and the strength of the boss, so that an effect is realized that a relatively high boss can be stamped on a restively thin base material of the plate metal, and the high boss that has been stamped does not shed.

Description

The drift of punching press high boss on the sheet metal
[technical field]
The utility model relates to a kind of decompressor, particularly a kind of drift that can on sheet metal, stamp out high boss, and it can make Gao Zhishen, high-intensity boss in the sheet metal upper punch of thinner thickness.
[background technology]
In the punching press industry, on the sheet metal goods, process boss through regular meeting, these boss are mainly used in assembling and positioning or are used to bear side force, and the moulding boss is widely used especially on accurate sheet metal.The method of processing boss at present usually on sheet metal is that the chamfering at drift top is pressed into the sheet metal mother metal, make the material in its mother metal overflow the hollow boss that forms a pull and stretch on the opposite of mother metal to concave die cavity, because the thickness of mother metal has determined the height of boss, so the height and the thickness of the boss of existing process moulding are limited.Especially when sheet metal thickness was lower than 1.2mm, owing to there are not enough materials to be squeezed into the head of boss, wanting to reach material thickness at the effectively straight height degree of processing on the sheet metal was very difficult more than 50%.And during existing technology punch process high boss, the limit that reaches material thickness when the boss height can cause material to tear easily, causes boss to come off, and can't locate with it during use, can cause whole component failure.
[utility model content]
The purpose of this utility model is: improve above-mentioned deficiency of the prior art, the drift of punching press high boss on a kind of sheet metal is provided, its structure can the good high boss of disposable punch forming intensity.
The technical solution of the utility model is achieved in that it comprises the drift shaft and is located at the workspace that the plunger rod body is used for the punching out boss, described workspace comprises the upper punch body of extruding sheet metal mother metal and down towards body, the upper punch body and down towards body for forming the coaxial cylinder of stepped construction; The upper punch body is positioned at the end of drift, and down towards the external diameter of the body external diameter greater than the upper punch body, the step end face towards body joins mutually with the sidewall of upper punch body down;
In the drift of above-mentioned punching press high boss, describedly down offer reinforcement on the body and form groove, described reinforcement forms grooved ring shape array and is laid on the step end face;
In the drift of above-mentioned punching press high boss, it is V-shaped groove that described reinforcement forms groove;
In the drift of above-mentioned punching press high boss, described drift shaft with down form hierarchic structure towards body, towards the external diameter of body, the drift shaft is the plane with the cross surface mutually of following outer wall towards body to the external diameter of drift shaft greater than down.
The beneficial effects of the utility model are: the principle of having utilized the material extruding to flow, the body that dashes by hierarchic structure pushes the sheet metal mother metal, make material plasticity under the external force squeezing action of sheet metal mother metal convex platform shaping area periphery flow to elevated regions, promptly to the main part material for repairing of boss forming, thereby increase the straight height degree and the intensity of boss, reach the effect that on the sheet metal mother metal of thinner thickness, also can stamp out higher boss; Offer the reinforcement formation groove that circular array is laid at the step end face of drift, can a plurality of equilibriums of the inner extrusion modling of boss arrange reinforcement, not only strengthened axial pulling capacity of boss and side force ability to bear, and material is torn the possibility that boss comes off when having prevented that boss is too high.
[description of drawings]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is the structural representation of the stamping forming high boss of the utility model
Fig. 2 is the generalized section of A-A direction as shown in Figure 1
Fig. 3 is the perspective view of the drift of punching press high boss on the utility model sheet metal
Fig. 4 is the device schematic diagram of punching press high boss on sheet metal
Among the figure: 1, sheet metal mother metal; 11, shaping area; 12, material additional area; 2, boss; 21, elevated regions; 22, reinforcement; 3, drift; 31, upper punch body; 32, down towards body; 33, step end face; 34, reinforcement forms groove; 35, drift shaft; 4, thimble spring; 5, take off the material thimble; 6, cope match-plate pattern; 7, lower bolster; 8, take off the material spring.
[specific embodiment]
As Fig. 1, Fig. 2 and shown in Figure 4, the drift of punching press high boss is a kind of drift 3 of special use on the utility model sheet metal, and it cooperates conventional diel can stamp out high boss.3 pairs of sheet metal mother metals of drift 1 carry out the segmentation extruding, shaping area 11 extruding with prefabricated boss 2 earlier form elevated regions 21, then in the process of pull and stretch elevated regions 21 with the material of the material additional area 12 of shaping area 11 peripheries to elevated regions 21 extruding, to fill up elevated regions 21 because of by the position of pull and stretch attenuation, final molding is the high boss that higher-strength is arranged.This method of utilizing material extruding flow principles to fill up boss 2 moulding materials can stamp out higher boss 2 on the sheet metal mother metal 1 of thinner thickness.Preferably, stamp out three to four reinforcements 22 that five equilibrium is arranged in the inboard of boss 2, usually the height of reinforcement 22 be institute's punching press sheet metal mother metal 1 thickness 1/3~1/2, reinforcement 22 links together the main body of the body of sheet metal mother metal 1 and boss 2, played the effect that increases boss 2 intensity, even boss 2 fast communications centres have been worn also can not rupture, this also is that the utility model prevents that boss 2 from being dashed the key that wears off.
As shown in Figure 3, be crucial forming part of the present utility model: drift 3.This drift 3 comprises drift shaft 35 and is located at the workspace that drift shaft 35 tops are used for punching out boss 2, described workspace is made of towards body 32 with following the upper punch body 31 of extruding sheet metal mother metal 1, drift shaft 35 is a T shape structure, the miner diameter end of drift shaft 35 forms hierarchic structures with following towards body 32, the external diameter of drift shaft 35 is greater than following external diameter towards body 32, drift shaft 35 is the plane with following cross surface mutually towards body 32 outer walls, when carrying out press work, workspace extrded material distortion is only arranged on the drift 3.The upper punch body 31 of drift 3 workspaces and down towards body 32 for forming the coaxial cylinder of stepped construction, upper punch body 31 is positioned at the end of drift 3, down towards body 32 between upper punch body 31 and drift shaft 35, the top of upper punch body 31 is a circular cone structure.For being implemented in boss 2 forming processes to land area 21 continuous supplementation materials, down must be greater than the external diameter of upper punch body 31 towards the external diameter of body 32, the step end face 33 towards body 32 joins mutually with the sidewall of upper punch body 31 down.Offering reinforcement formation groove 34 down on body 32, in the process of drift 3 extruding boss 2, the part metals material flows into reinforcement and forms the reinforcement 22 that groove 34 forms on the boss 2.Step end face 33 is the crimping section that the material of drift 3 replenishes, in the later stage that boss 2 forms is exactly by step end face 33 extrusion metal materials, metal is that elevated regions 21 flows to the main part of boss 2 under strong stress effect, has finally formed to have straight height degree and reach sheet thicknesses more than 60%, intensity boss 2 high, that can not come off.Preferably, reinforcement forms groove 34 annular arrays and is laid on the step end face 33, is laid in the inboard of boss 2 to guarantee reinforcement 22 equilibriums.
As shown in Figure 4, be application mould structure of the present utility model, this mould mainly comprises mould bases, thimble spring 4, takes off material thimble 5, cope match-plate pattern 6, lower bolster 7, drift 3 and takes off material spring 8.Use the method for this mould punching press high boss as follows:
Sheet material mother metal 1 is placed on the lower bolster 7, and before punching press began, drift 3 contracted in lower bolster 7; When punching press began, cope match-plate pattern 6 is the descending sheet metal mother metal 1 of pushing down under the effect of punch press; Continue when descending, take off material spring 8 and be compressed and upwards lower bolster 7 executed reaction force sheet metal mother metal 1 is tightly pushed down; Punch press continues when descending again, drift 3 will stretch out in lower bolster 7, the upper punch body 31 of drift 3 at first contacts with sheet metal mother metal 1, the metal material of shaping area 11 is pressed in the cavity of cope match-plate pattern 6 and forms elevated regions 21, the later stage of drift 3 rising pull and stretch elevated regions 21, step end face 33 towards body 32 contacts the also material additional area 12 of extrusion modling district 11 peripheries with sheet metal mother metal 1 down, metal material flows to elevated regions 21 under the squeezing action of step end face 33, simultaneously, the part metals material flows into reinforcement and forms the reinforcement 22 that forms in the groove 34 on the boss 2, thereby has formed the boss 2 with high straight height intensity.After moulding finished, upper and lower mould separated, and boss 2 is pushed out cope match-plate pattern 6 at thimble spring 4 with taking off under the effect of expecting thimble 5.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.

Claims (4)

1. the drift of punching press high boss on the sheet metal, it comprises the drift shaft and is located at the workspace that the plunger rod body is used for the punching out boss, it is characterized in that: described workspace comprises the upper punch body of extruding sheet metal mother metal and down towards body, the upper punch body and down towards body for forming the coaxial cylinder of stepped construction; The upper punch body is positioned at the end of drift, and down towards the external diameter of the body external diameter greater than the upper punch body, the step end face towards body joins mutually with the sidewall of upper punch body down.
2. the drift of punching press high boss on the sheet metal according to claim 1 is characterized in that: offer reinforcement formation groove down on body, described reinforcement forms grooved ring shape array and is laid on the step end face.
3. the drift of punching press high boss on the sheet metal according to claim 2 is characterized in that: it is V-shaped groove that reinforcement forms groove.
4. the drift of punching press high boss on the sheet metal according to claim 1 is characterized in that: the drift shaft with down form hierarchic structure towards body, towards the external diameter of body, the drift shaft is the plane with the cross surface mutually of following outer wall towards body to the external diameter of drift shaft greater than down.
CN2010206682302U 2010-12-14 2010-12-14 Punch for stamping high boss on plate metal Expired - Fee Related CN202028679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206682302U CN202028679U (en) 2010-12-14 2010-12-14 Punch for stamping high boss on plate metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206682302U CN202028679U (en) 2010-12-14 2010-12-14 Punch for stamping high boss on plate metal

Publications (1)

Publication Number Publication Date
CN202028679U true CN202028679U (en) 2011-11-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528393A (en) * 2011-12-26 2012-07-04 苏州三维精密机械有限公司 Molding process for boss of plate material
CN102553991A (en) * 2010-12-14 2012-07-11 深圳亿和模具制造有限公司 Method for punching high bosses on metal sheets and punch utilized in method
CN108817227A (en) * 2018-07-12 2018-11-16 郑州云海信息技术有限公司 A kind of punching press bump structure and mold and forming method
CN112893644A (en) * 2021-01-29 2021-06-04 无锡鹏德汽车配件有限公司 Punch structure for fine punching and extruding composite forming of metal plate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102553991A (en) * 2010-12-14 2012-07-11 深圳亿和模具制造有限公司 Method for punching high bosses on metal sheets and punch utilized in method
CN102528393A (en) * 2011-12-26 2012-07-04 苏州三维精密机械有限公司 Molding process for boss of plate material
CN102528393B (en) * 2011-12-26 2014-05-21 苏州三维精密机械有限公司 Molding process for boss of plate material
CN108817227A (en) * 2018-07-12 2018-11-16 郑州云海信息技术有限公司 A kind of punching press bump structure and mold and forming method
CN112893644A (en) * 2021-01-29 2021-06-04 无锡鹏德汽车配件有限公司 Punch structure for fine punching and extruding composite forming of metal plate
CN112893644B (en) * 2021-01-29 2024-04-09 江苏鹏德工业科技有限公司 Punch structure for metal plate fine punching extrusion composite forming

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111109

Termination date: 20151214

EXPY Termination of patent right or utility model