CN102825132A - Stamping Technology and Stamping Die of Freezer Handle - Google Patents
Stamping Technology and Stamping Die of Freezer Handle Download PDFInfo
- Publication number
- CN102825132A CN102825132A CN2012103230186A CN201210323018A CN102825132A CN 102825132 A CN102825132 A CN 102825132A CN 2012103230186 A CN2012103230186 A CN 2012103230186A CN 201210323018 A CN201210323018 A CN 201210323018A CN 102825132 A CN102825132 A CN 102825132A
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- mold
- blanking
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- 238000005516 engineering process Methods 0.000 title description 34
- 238000000034 method Methods 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims description 124
- 238000004080 punching Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims 3
- 238000010099 solid forming Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 20
- 230000000295 complement effect Effects 0.000 description 12
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a process for stamping a handle of a freezer and a stamping die thereof; the stamping process is a continuous stamping process, comprises five procedures of blanking, stretching, side forming, wrapping and separating, and adopts a continuous stamping die. The stamping die is a continuous stamping die and comprises an upper die and a lower die which are integrally formed respectively; the upper die comprises a blanking forming upper die, a stretching forming upper die, a side forming upper die, a wrapping forming upper die and a separating forming upper die which are sequentially arranged; the forming device comprises a lower blanking forming die, a lower stretching forming die, a lower side forming die, a lower wrapping forming die and a lower separation forming die which are sequentially arranged. The stamping process is carried out continuously, the steps are simple, the implementation is easy, the whole process effect is good, the stamping efficiency of the product is improved, and the stable quality of the product is ensured; the stamping die disclosed by the invention is compact and symmetrical in structure, low in manufacturing cost, high in efficiency and stable in stamping performance.
Description
Technical field
The invention belongs to the stamping technology field, relate in particular to a kind of reach in freezer handle Sheet Metal Forming Technology and diel thereof.
Background technology
In reach in freezer handle production process, can relate to Sheet Metal Forming Technology and diel usually, existing reach in freezer handle requires the outward appearance light, and is attractive in appearance; Inboard commissure requires the gap even, and highly unanimity can not have drop, could satisfy and adopt welding and the requirement of outward appearance feel automatically automatically; Existing reach in freezer handle all is to adopt a plurality of single station productions usually; In order to enhance productivity, save production cost, customer requirement preferably can be used multistation quantity-produced pattern; But under this production model, reach in freezer handle Sheet Metal Forming Technology and diel meeting thereof run into following problem:
1, because the datum level of product requires the depth of parallelism 0.25, and tolerance is too small, refine limit after the necessary consideration moulding, the operation that is bound to like this trouble, efficient reduces;
2, because product is the typical products of a similar pipe, when using multistation to produce continuously, each structure space of diel receives certain limitation, and inboard joint close moulding is difficulty relatively;
3, because the body variation tendency at product two ends often has wrinkling appearance outside the product end in existing drawing process, the product appearance quality can be affected;
4, in committed step side molding procedure, because conventional slide block structure is adopted in the mould outside, the die size space is limited simultaneously, certainly will influence product stripping efficient and quality like this;
5, in the moulding of committed step parcel, change in shape is violent, and inboard, product end can produce cracking phenomena usually; If hollow forming is used at inboard moulding straight line position in the product end, can make formed product not in place.
Above-mentionedly know, be necessary prior art further perfect.
Summary of the invention
The present invention is that existing reach in freezer handle Sheet Metal Forming Technology operation is loaded down with trivial details, process efficiency is low in order to solve; Mould structure is complicated, high, the punching press weak effect of cost; Can not satisfy product technology and quality high request problem and to propose a kind of technique process simple, effective; Process efficiency is high, and die cost is low, punching press is effective, can satisfy the refrigerator handle Sheet Metal Forming Technology and the diel thereof of product technology and quality requirement.
The present invention realizes through following technical scheme:
Above-mentioned a kind of reach in freezer handle Sheet Metal Forming Technology is continuous stamping process, mainly comprises blanking-stretching-side moulding-parcel-five operations of separation, adopts continuous stamping die, adds the empty step in the not enough place of said die space.
Described reach in freezer handle Sheet Metal Forming Technology, wherein: in the said blanking operation, the outline at the product two ends after the punching molding is kept somewhere surplus.Said side moulding adopts the mode of taking off material by force to carry out moulding.Said side molding procedure increases the technology convex closure in the inboard at product both ends.Said parcel operation adopts solid moulding.
Implement the diel of above-mentioned reach in freezer handle Sheet Metal Forming Technology, be continuous stamping die, comprise integrated upper die and lower die respectively; Said patrix comprises blanking moulding patrix, drawing and forming patrix, side moulding patrix, the parcel moulding patrix of order setting successively and separates the moulding patrix; Said counterdie comprises blanking moulding counterdie, drawing and forming counterdie, side moulding counterdie, the parcel moulding counterdie of order setting successively and separates the moulding counterdie.
The diel of said reach in freezer handle, wherein: said blanking moulding patrix comprises the edge-cutting and hole-punching punch; Said blanking moulding counterdie and said blanking moulding patrix coupling comprise the edge-cutting and hole-punching die that is complementary with said edge-cutting and hole-punching punch.
The diel of said reach in freezer handle, wherein: said drawing and forming patrix comprises the stretching die; Said drawing and forming counterdie is positioned at said blanking moulding counterdie one side, comprise and the stretching convex die of said stretching die coupling, stretch blank holder and be located at said stretching convex die and the stretching blank holder between nitrogen spring.
The diel of said reach in freezer handle, wherein: said side moulding patrix is positioned at said drawing and forming patrix one side, comprise holding pad be located at said holding pad both sides tiltedly carve drive block; Said side moulding counterdie is positioned at said drawing and forming counterdie one side, comprises side shaping mould backing plate, tiltedly carves sliding shoe, back bracket, defelctor apron, slide block retracting spring, compacted under male model and take off the material thimble.
The diel of said reach in freezer handle, wherein: saidly tiltedly carve sliding shoe and back bracket all is located on the said side shaping mould backing plate, said back bracket is positioned at said both sides of tiltedly carving the sliding shoe bottom; Said defelctor apron is located at said both sides of tiltedly carving the sliding shoe top; Said slide block retracting spring, compacted under male model and take off material thimble coupling and be arranged at the said sliding shoe inboard of tiltedly carving.
The diel of said reach in freezer handle, wherein: said parcel moulding patrix is positioned at said side moulding patrix one side, comprises molding concave die; Said parcel moulding counterdie is positioned at said side moulding counterdie one side, comprises and the said compacted under piece of going up the molding concave die coupling.
The diel of said reach in freezer handle, wherein: said separation moulding patrix is positioned at said parcel moulding patrix one side, comprises the separation punch; Said separation moulding counterdie is positioned at said parcel moulding counterdie one side, comprises and the said die that separates that separates the punch coupling.
The diel of said reach in freezer handle, wherein: said counterdie also comprises the guiding mechanism on one group of relative side being located at said counterdie length direction, and said guiding mechanism comprises guide post and guide pad; The two ends of said blanking moulding counterdie, drawing and forming counterdie, side moulding counterdie and parcel moulding counterdie are equipped with one group of said guide post and guide pad.
Beneficial effect:
Reach in freezer handle Sheet Metal Forming Technology of the present invention is that a plurality of technology continuitys are carried out, and step is simple, implement easily, wherein, in blanking, leaves surplus at the outline that carries out product two ends when die-cut, can effectively guarantee the processing quality of subsequent technique; In stretching, control the material flowing velocity through increasing the waste material width, avoided product that wrinkling appearance is arranged in drawing high process; In the side moulding; Carry out moulding through using the mode of taking off material by force; Efficiently solve by conventional single action and tiltedly carve the limited problem of dimensional space that structure is brought, wherein, in the side moulding, also increased technology convex closure operation; Make product strike out the convex closure moulding shown in D zone among Fig. 7, the cracking phenomena of having avoided product when the parcel moulding, acutely to produce owing to change in shape; The parcel moulding can guarantee that the product accurate forming puts in place, and is as shown in Figure 1 simultaneously, and whole technology adds " empty step " in the place of insufficient space, has not only improved the punching press effect of whole technology, and has improved formed product quality and ram efficiency.
Reach in freezer handle of the present invention diel is a continuous stamping die, and upper die and lower die all are structure as a whole, and promptly integrates multiple operation die, and wherein, the design of blanking moulding patrix and blanking moulding counterdie can effectively guarantee the die-cut precision of product; The design of drawing and forming patrix and drawing and forming counterdie can effectively avoid the product part wrinkling, has guaranteed the presentation quality of product; Side moulding patrix and side moulding counterdie adopt and tiltedly carve structure, and side moulding counterdie is provided with and takes off the material thimble, can effectively solve the limited problem of bulk of mould; The dovetail groove slide block of parcel moulding counterdie setting can put the product accurate forming in place; Separating the moulding patrix can separate product with the design that separates the moulding counterdie fast and accurately with waste material; Whole diel compact conformation, symmetry, service efficiency is high, and manufacture difficulty is low; Not only improve the ram efficiency and the quality of workpiece, and reduced cost of goods manufactured.
Description of drawings
Fig. 1 is through the product design sketch after the reach in freezer handle Sheet Metal Forming Technology of the present invention.
Fig. 2 is the product cross section figure after the drawn moulding in the reach in freezer handle Sheet Metal Forming Technology of the present invention.
Fig. 3 is the product cross section figure after the side moulding in the reach in freezer handle Sheet Metal Forming Technology of the present invention.
Fig. 4 is the product cross section figure after the parcel moulding in the reach in freezer handle Sheet Metal Forming Technology of the present invention.
Fig. 5 is the local flow process structural representation of reach in freezer handle Sheet Metal Forming Technology of the present invention.
Fig. 6 is the product partial structurtes figure the reach in freezer handle does not add convex closure technology when the side moulding after.
Fig. 7 is the product partial structurtes figure the reach in freezer handle has added convex closure technology through the side moulding time after.
Fig. 8 is the structural representation of reach in freezer handle of the present invention diel.
Fig. 9 is the counterdie structural representation of reach in freezer handle of the present invention diel.
Figure 10 is the side moulding patrix of reach in freezer handle of the present invention diel and the partial structurtes sketch map after the cooperation of side moulding counterdie.
Figure 11 is the partial structurtes sketch map of the parcel moulding counterdie of reach in freezer handle of the present invention diel.
Figure 12 is the profile of the parcel moulding counterdie partial structurtes of reach in freezer handle of the present invention diel.
The specific embodiment
Shown in Fig. 1 to 7, cooling cabinet handle Sheet Metal Forming Technology of the present invention is a continuous stamping process, adopts continuous stamping die, and master operation is: blanking-stretching-side moulding-parcel-separation, and in the empty step of the place of insufficient space adding.Following further explain technological process of the present invention:
(1) blanking
The stainless steel plate is positioned on the continuous mould; Carry out die-cutly through diel, make it be die-cut into the wide plate structure in intermediate narrower two ends 3, the two ends outline 31,32 of this plate structure 3 leaves surplus when die-cut; That is increase the profile of this plate structure 3, like Fig. 5, shown in Figure 6; Owing to increase the profile of this plate structure 3, increase the waste material width, thereby controlled the material flowing velocity, overcome because the wrinkling problem in A place that the body variation tendency at product two ends causes.
(2) stretch
With in the step (1) the plate structure of blanking forming strike out the shell structure that the cross section roughly takes the shape of the letter U through diel, as shown in Figure 2, and then the surplus that product two ends outline is stayed fallen through cut;
(3) side moulding
The good product of drawing and forming in the step (2) is struck out the oval-shaped shell knot that the cross section roughly is breach, as shown in Figure 3; This side molding procedure adopts the mode of taking off material by force to carry out moulding, and increases technology convex closure 4 in the inboard at product both ends, and is as shown in Figure 7;
(4) parcel
Product after the side moulding in the step (3) is struck out the roughly rounded shell structure in cross section once more, as shown in Figure 4; This parcel operation adopts solid moulding, has overcome the moulding problem not in place of hollow forming;
(5) separate
The product of parcel forming in the step (4) is die-cut once more, it is separated with waste material, become finished product.
Wherein, Reach in freezer handle Sheet Metal Forming Technology adds the free step when the diel insufficient space; The so-called empty step promptly is that product shape or size in this operation have no variation; Adding the empty step is for the space of operation before increasing or back operation, just can better satisfy requirements such as life-span or convenient for maintaining like this, improves product quality and stability.
Shown in Fig. 8 to 12, implement the diel of above-mentioned reach in freezer handle Sheet Metal Forming Technology, be continuous mould, comprise integrated respectively patrix 1 and the counterdie 2 that is complementary with patrix 1.
Patrix 1 is structure as a whole, and comprise blanking moulding patrix 11, drawing and forming patrix 12, side moulding patrix 13, the parcel moulding patrix 14 of order setting successively and separate moulding patrix 15,
Blanking moulding patrix 11 is positioned at patrix 1 one ends, comprises edge-cutting and hole-punching punch 111;
Drawing and forming patrix 12 is positioned at a side of blanking moulding patrix 11, comprises stretching die 121;
Counterdie 2 also is structure as a whole, and it comprises blanking moulding counterdie 21, drawing and forming counterdie 22, side moulding counterdie 23, parcel moulding counterdie 24, the separation moulding counterdie 25 of order setting successively and the guiding mechanism 26 of being located at 2 one groups of relative sides of counterdie;
Blanking moulding counterdie 21 is positioned at counterdie 2 one ends, the setting that is complementary of the blanking moulding patrix 11 of itself and patrix 1, and blanking moulding counterdie 21 comprises the edge-cutting and hole-punching die 211 with edge-cutting and hole-punching punch 111 couplings of blanking moulding patrix 11;
Drawing and forming counterdie 22 is positioned at blanking moulding counterdie 21 1 sides; The setting that is complementary of the drawing and forming patrix 12 of itself and patrix 1; Drawing and forming counterdie 22 comprises stretching convex die 221, stretching blank holder 222 and nitrogen spring 223; Stretching convex die 221 is located at middle side part on the stretching blank holder 222 and is complementary with the stretching die 121 of drawing and forming patrix 12, and nitrogen spring 223 is located between stretching convex die 221 and the stretching blank holder 222.
Side moulding counterdie 23 is positioned at drawing and forming counterdie 22 1 sides; The setting that is complementary of the side moulding patrix 13 of itself and patrix 1, side moulding counterdie 23 comprise side shaping mould backing plate 231, tiltedly carve sliding shoe 232, back bracket 233, slide block retracting spring 234, defelctor apron 235, compacted under male model 236 and take off material thimble 237; Tiltedly carve sliding shoe 232 for being symmetrically set in a pair of on the side shaping mould backing plate 231, its drive block 132 of tiltedly carving with side moulding patrix 13 is complementary, and each is tiltedly carved the outside, sliding shoe 232 tops and is equipped with and tiltedly carves the inclined-plane that inclined-plane, inboard, drive block 132 bottoms is complementary; Back bracket 233 is divided into two groups, is symmetrically set in the both sides of tiltedly carving sliding shoe 232 bottoms respectively; Slide block retracting spring 234 is symmetrically set in and tiltedly carves sliding shoe 232 inboard in opposite directions; Defelctor apron 235 is symmetrically set in the both sides of tiltedly carving sliding shoe 232 tops; Compacted under male model 236 is a pair of, and it is located at and tiltedly carves sliding shoe 232 inboards, promptly penetrates from a pair of gap of tiltedly carving between the sliding shoe 232; Take off material thimble 237 and be located at compacted under male model 236 inboards, promptly penetrate, can in the gap between a pair of compacted under male model 236, stretch back and forth under the promotion of hydraulic jack from the gap between a pair of compacted under male model 236.
Guiding mechanism 26 is located on one group of relative side of counterdie 2 length directions; Comprise the guide post 261 and guide pad 262 that are used for coiled strip; Be positioned at one group of guide post 261 and guide pad 262 at edge-cutting and hole-punching die 211 two ends of blanking moulding counterdie 21, guide pad 262 is provided in a side of guide post 261 1 sides;
Wherein, Be positioned at stretching blank holder 222 two ends of drawing and forming counterdie 22, the one group of guide post 261 that is positioned at side shaping mould backing plate 231 two ends of side moulding counterdie 23 and is positioned at that the two ends of parcel moulding counterdie 24 respectively establish and guide pad 262, guide pad 262 is provided in a side of on the guide post 261.
The Sheet Metal Forming Technology of reach in freezer handle of the present invention is carried out for a plurality of Sheet Metal Forming Technology continuitys, and blanking punching molding and drawing and forming have effectively guaranteed the tolerance and the presentation quality of product; The mode moulding of taking off material is by force adopted in the side moulding, has improved the stability of product; The parcel moulding has effectively avoided traditional parcel process product to produce cracking and moulding problem not in place; Separating moulding can separate product accurately and effectively with waste material, whole technology not only makes formed product effective, and efficient is high.
The diel of reach in freezer handle of the present invention is a continuous stamping die; Its structural design is compact, symmetrical, and upper die and lower die all are structure as a whole and integrate multiple operation die, have significantly improved the ram efficiency of product; And the product punching press is effective; Steady quality has improved production efficiency of products, has reduced production cost.
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210323018.6A CN102825132B (en) | 2012-09-04 | 2012-09-04 | Process and die for stamping handle of freezer |
Applications Claiming Priority (1)
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CN201210323018.6A CN102825132B (en) | 2012-09-04 | 2012-09-04 | Process and die for stamping handle of freezer |
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CN102825132A true CN102825132A (en) | 2012-12-19 |
CN102825132B CN102825132B (en) | 2014-11-12 |
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CN201210323018.6A Expired - Fee Related CN102825132B (en) | 2012-09-04 | 2012-09-04 | Process and die for stamping handle of freezer |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102979362A (en) * | 2012-12-31 | 2013-03-20 | 东莞市精力仁模具有限公司 | A kind of household appliance cabinet door handle |
CN104438534A (en) * | 2014-12-03 | 2015-03-25 | 宁波李氏实业有限公司 | Machining method for trigger of spray gun |
CN111790810A (en) * | 2020-06-02 | 2020-10-20 | 昆山达亚汽车零部件有限公司 | Mold for molding rear support piece and molding process thereof |
CN111790812A (en) * | 2020-06-02 | 2020-10-20 | 昆山达亚汽车零部件有限公司 | A molding die for knife tube |
CN113757986A (en) * | 2021-08-20 | 2021-12-07 | Tcl空调器(中山)有限公司 | Handle forming method, air conditioner outdoor unit and air conditioner |
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CN1962112A (en) * | 2005-11-11 | 2007-05-16 | 比亚迪股份有限公司 | Method for forming platy pieces with negative angle |
CN201783578U (en) * | 2010-07-27 | 2011-04-06 | 上海索菲玛汽车滤清器有限公司 | Stamping die for end cover meson of fuel filter |
US8196498B2 (en) * | 2009-12-23 | 2012-06-12 | Wen-Pin Wang | Forming method for applying a continuous punching to a chain roller |
CN102500675A (en) * | 2011-10-13 | 2012-06-20 | 北京航空航天大学 | Hot forming tool of titanium alloy thin-wall part and machining method of hot forming tool |
CN202725834U (en) * | 2012-09-04 | 2013-02-13 | 东莞市精力仁模具有限公司 | Freezer handle stamping die |
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2012
- 2012-09-04 CN CN201210323018.6A patent/CN102825132B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1962112A (en) * | 2005-11-11 | 2007-05-16 | 比亚迪股份有限公司 | Method for forming platy pieces with negative angle |
US8196498B2 (en) * | 2009-12-23 | 2012-06-12 | Wen-Pin Wang | Forming method for applying a continuous punching to a chain roller |
CN201783578U (en) * | 2010-07-27 | 2011-04-06 | 上海索菲玛汽车滤清器有限公司 | Stamping die for end cover meson of fuel filter |
CN102500675A (en) * | 2011-10-13 | 2012-06-20 | 北京航空航天大学 | Hot forming tool of titanium alloy thin-wall part and machining method of hot forming tool |
CN202725834U (en) * | 2012-09-04 | 2013-02-13 | 东莞市精力仁模具有限公司 | Freezer handle stamping die |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102979362A (en) * | 2012-12-31 | 2013-03-20 | 东莞市精力仁模具有限公司 | A kind of household appliance cabinet door handle |
CN104438534A (en) * | 2014-12-03 | 2015-03-25 | 宁波李氏实业有限公司 | Machining method for trigger of spray gun |
CN111790810A (en) * | 2020-06-02 | 2020-10-20 | 昆山达亚汽车零部件有限公司 | Mold for molding rear support piece and molding process thereof |
CN111790812A (en) * | 2020-06-02 | 2020-10-20 | 昆山达亚汽车零部件有限公司 | A molding die for knife tube |
CN111790812B (en) * | 2020-06-02 | 2024-12-27 | 昆山达亚汽车零部件有限公司 | A forming die for knife tube |
CN113757986A (en) * | 2021-08-20 | 2021-12-07 | Tcl空调器(中山)有限公司 | Handle forming method, air conditioner outdoor unit and air conditioner |
CN113757986B (en) * | 2021-08-20 | 2022-12-13 | Tcl空调器(中山)有限公司 | Handle forming method, air conditioner outdoor unit and air conditioner |
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CN102825132B (en) | 2014-11-12 |
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