CN105798172B - Refrigerator door fillet bend forming die - Google Patents

Refrigerator door fillet bend forming die Download PDF

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Publication number
CN105798172B
CN105798172B CN201610291748.0A CN201610291748A CN105798172B CN 105798172 B CN105798172 B CN 105798172B CN 201610291748 A CN201610291748 A CN 201610291748A CN 105798172 B CN105798172 B CN 105798172B
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CN
China
Prior art keywords
turnover panel
upper mold
block
refrigerator door
die
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Active
Application number
CN201610291748.0A
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Chinese (zh)
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CN105798172A (en
Inventor
刘柱中
黄喜洛
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.)
Zhengzhou Sanhuan Mould Co Ltd
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Zhengzhou Sanhuan Mould Co Ltd
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Priority to CN201610291748.0A priority Critical patent/CN105798172B/en
Publication of CN105798172A publication Critical patent/CN105798172A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles

Abstract

The present invention relates to Bending Mould technical fields, specially a kind of refrigerator door fillet bend forming die, including upper die and lower die, it is provided with upper mold holding pad in upper mold, forming convax mould is provided in lower die, the turnover panel and turnover panel fixed block for rolling over fillet are provided in upper mold, turnover panel is connect with turnover panel fixed block by shaft, arc chute is provided on turnover panel fixed block, when turnover panel rotates, shaft is slided in arc chute, the device that turnover panel drive block is provided in upper mold and is returned for turnover panel.The present invention using turnover panel shaft when turnover panel is overturn by the way of runner movement, the center of rotation of turnover panel is set to be not fixed, in this way in fillet bending, turnover panel, which can be complied with, wants molding fillet to be rotated, the material of outer rim can uniformly be shunk in this way, the phenomenon that avoiding corrugation caused by the accumulation of edge material, ensure that the surface quality of refrigerator door, is the requirement that refrigerator door fillet after molding can reach drawing.

Description

Refrigerator door fillet bend forming die
Technical field
The present invention relates to Bending Mould technical field, specially a kind of refrigerator door fillet bend forming die.
Background technology
The material that refrigerator door uses at present is VCM plates, stainless steel and PCM plate.Each size of surface quality of refrigerator door The requirement of precision is all higher, and surface must not have macroscopic collide with to scratch trace.
There are two types of the processes of conventional refrigerator door folding fillet, and one is by the way of punching press, allow refrigerator door direct Bending, bending part formed fillet, but in fact, bending part formed be right angle, the phenomenon that bending part wrinkles, fillet Smaller, wrinkling is more apparent, influences the surface quality of refrigerator door.Another kind is using first folding fillet again by the way of flange, This mode in such a way that 45 degree push away, but the phenomenon that be susceptible to scratch, not only influences refrigerator door when flange Surface quality, and abrasion gets rusty easily.
Both the above mode cannot all meet the bending demand of refrigerator door, the especially bending of small round corner, lead to refrigerator The surface quality of door shell cannot be met the requirements.
It is found in retrieval, application No. is 201520095310.6 patent, discloses a kind of metal plate and turn over roll-type bender Structure under the action of cylindricality push type broach and roller and power, realizes the bending of sheet metal component using the molding mode of rolling-type, but It is the bending that this art solutions is suitable for Rouno Cormer Pregrinding Wheel, does not have applicability to the bending of small round corner.
Invention content
The technical problem to be solved by the present invention is to:The product that existing refrigerator door fillet bend forming die processes is not It can meet the requirements, to solve the above problems, providing a kind of refrigerator door fillet bend forming die.
The purpose of the present invention is what is realized in the following manner:
Refrigerator door fillet bend forming die, including upper die and lower die, are provided with upper mold holding pad in upper mold, in lower die It is provided with forming convax mould, turnover panel and turnover panel fixed block for rolling over fillet are provided in upper mold, turnover panel passes through with turnover panel fixed block Shaft connects, and arc chute is provided on turnover panel fixed block, when turnover panel rotates, shaft is slided in arc chute, and turnover panel can It complies with and molding fillet is wanted to be rotated, the device that turnover panel drive block is provided in upper mold and is returned for turnover panel.
Revolute pair is provided between shaft and turnover panel or between shaft and arc chute.
Shaft and turnover panel hingedly or between shaft and arc chute are provided with bearing.
The tension spring I, one that the other end in upper mold is arranged in shaft is arranged for vertical one end in the device returned for turnover panel It holds the universal installation spring being arranged on turnover panel in other end setting upper mold, lateral one end that other end setting is arranged in upper mold to exist Tension spring II in shaft is one such, arbitrary two kinds or three kinds of combination.
Upper mold further includes cope plate and upper mold binder panel seat, and multiple springs are provided between cope plate and upper mold binder panel seat Guide post, turnover panel drive block one end are arranged on cope plate, and the other end stretches out the through-hole of corresponding position on upper mold binder panel seat, turns over Plate fixed block is arranged on upper mold binder panel seat, and cope plate limited post is provided on upper mold binder panel seat.
Protection block is provided on upper mold binder panel seat, protection block is arranged in the inside of turnover panel fixed block, protection block and turnover panel The distance between be refrigerator door thickness.
Upside pushing block is provided in upper mold, the forming convax mould of lower die is slidable structure, be provided on forming convax mould with it is upper The downside pushing block of side pushing block cooperation, during upper mold compresses lower die, upside pushing block pushes forming convax mould by downside pushing block To two Slideslips.
Forming convax mould return mechanism is provided in lower die.
It is connected by guide post guide sleeve between upper die and lower die.
Compared with the existing technology, the present invention using turnover panel shaft when turnover panel is overturn by the way of runner movement, make turnover panel Center of rotation be not fixed, in this way in fillet bending, turnover panel, which can be complied with, wants molding fillet to be rotated, such outer rim Material can uniformly be shunk, and avoided the phenomenon that wrinkling caused by the accumulation of edge material, be ensure that the table of refrigerator door Face quality is the requirement that refrigerator door fillet after molding can reach drawing.
Description of the drawings
Fig. 1 is working state structure schematic diagram of the present invention.
Fig. 2 is that upper mold of the present invention detaches rear structural schematic diagram with lower die.
Fig. 3 is lower die vertical view.
Fig. 4 is upper mold holding pad holder structure schematic diagram.
Wherein, 1 is lower template;2 be lower die backer's block;3 be lower die backer;4 be lower wear-resistant block I;5 be lower wear-resistant block Ⅱ;6 be forming convax mould;7 be downside pushing block;8 be upside pushing block;9 be upside block pushing seat;10 be locating piece;11 be intermediate lower die; 12 be lower die filler strip;13 be glide path;14 be protection block;15 be shaft;16 be turnover panel fixed block;17 be turnover panel;18 be universal Spring is installed;19 be universal installation spring fixed seat;20 be turnover panel drive block;21 be upper mold binder board spacer;22 be upper molding Flitch;23 be upper mold binder panel seat;24 be spring lead;25 be cope plate;26 be cope plate limited post;27 be that discharging is drawn Bar.
Specific implementation mode
As Figure 1-Figure 4, refrigerator door fillet bend forming die, including upper die and lower die are provided in upper mold It is molded flitch 22, forming convax mould 6 is provided in lower die, turnover panel 17 and turnover panel fixed block for rolling over fillet is provided in upper mold 16, turnover panel 17 is connect with turnover panel fixed block 16 by shaft 15, and arc chute is provided on turnover panel fixed block 16, and turnover panel 17 rotates When, shaft 15 is slided in arc chute, the device that turnover panel drive block 20 is provided in upper mold and is returned for turnover panel.Shaft exists Sliding, can ensure, during bending and molding, turnover panel 17 can turn under the action of turnover panel drive block 20 in arc chute Turn, turnover panel 17 itself can there are one arcuately sliding slot rotation, complete turnover panel 17 in this way follows the deformation of refrigerator door completely Overturning can be good at the flow direction for controlling refrigerator door material, avoid that there is a phenomenon where wrinkle.
It is provided with revolute pair between shaft 15 and turnover panel 17 or between shaft 15 and arc chute.Shaft 15 and turnover panel 17 It is provided with bearing between hinged or shaft 15 and arc chute.Increase revolute pair, the rollover effect of turnover panel 17 can be made more preferable.
The tension spring I, one that the other end in upper mold is arranged in shaft is arranged for vertical one end in the device returned for turnover panel End is arranged on turnover panel 17 universal installation spring 18, the lateral one end setting other end in upper mold that the other end is arranged in upper mold and sets Set that tension spring II in shaft 15 is one such, arbitrary two kinds or three kinds of combination.Universal installation spring 18 is arranged ten thousand To installation spring fixed seat 19 on, it is universal installation spring 18 be used for balance turnover panel 17 15 both sides of shaft gravity.
Upper mold further includes cope plate 25 and upper mold binder panel seat 23, is set between upper mold holding pad 22 and upper mold binder panel seat 23 It is equipped with upper mold binder board spacer 21, multiple spring leads 24, upper mold are provided between cope plate 25 and upper mold binder panel seat 23 Binder panel seat 23 and part installation structure thereon are as shown in figure 4,20 one end of turnover panel drive block is arranged on cope plate 25, separately The through-hole of corresponding position on upper mold binder panel seat 23 is stretched out in one end, and turnover panel fixed block 16 is arranged on upper mold binder panel seat 23, on Cope plate limited post 26 is provided on molding compound panel seat 23, cope plate limited post 26 limits the limit position that cope plate 25 moves downward It sets.
Protection block 14 is provided on upper mold binder panel seat 23, protection block 14 is arranged in the inside of turnover panel fixed block 16, protection The distance between block 14 and turnover panel 17 be refrigerator door thickness, protection block 14 for refrigerator door bending and molding process In, the phenomenon that preventing door shell material from being flowed under the effect of the pressure to both sides, prevent door shell surface from wrinkling, it ensure that surface Quality.
Upside pushing block 8 is provided in upper mold, upside pushing block 8 is arranged on upside block pushing seat 9, and the setting of upside block pushing seat 9 exists On upper mold binder panel seat 23.The forming convax mould 6 of lower die is slidable structure, is provided on forming convax mould 6 and coordinates with upside pushing block 8 Downside pushing block 7, during upper mold compresses lower die, upside pushing block 8 pushes forming convax mould 6 to both sides by downside pushing block 7 Sliding.The lower end of forming terrace die 6 is provided with glide path 13,6 return mechanism of forming convax mould is provided in lower die.
Forming convax mould 6 uses slidable structure, results from refrigerator door before carrying out fillet bending, has already passed through and turn over The process on side, after fillet bending and molding, refrigerator door is stuck in completely on forming terrace die 6, can not be removed, using can The structure of sliding can facilitate refrigerator door after molding to take out.Forming convax mould 6 is two, is provided between forming convax mould 6 Locating piece 10, the setting of locating piece 10 plays a supportive role in centre, and is molded the surface of refrigerator door together with upper mold holding pad 22 Radian, locating piece 10 are provided directly with lower die filler strip 12 with lower template 1.
Lower die includes lower template 1, and lower die backer 3 is provided in lower template 1, and the outside of lower die backer 3 is provided with lower die and leans on Mountain block 2 is provided with spring lead between lower die backer block 2 and forming terrace die 6, downward in the upside pushing block 8 of upper mold During pressure, forming convax mould 6 is to two Slideslips, and after upside pushing block 8 returns, forming terrace die 6 is back under the action of the spring Home position.Since in forming process, the needs of forming terrace die 6 slidably reciprocate, and forming terrace die 6 slidably reciprocates in lower template 1 Position be provided with lower wear-resistant block I 4, corresponding position is provided with lower wear-resistant block II 5 on forming terrace die 6.
It is connected by guide post guide sleeve between upper die and lower die.After compression molding, upper mold returns, and is that cope plate 25 returns first It returns, later, upper module 25 drives upper mold binder panel seat 23 to move upwards by discharging pull rod 27, after moving to specified position, unloads The refrigerator door of lower forming.Next refrigerator door to be formed is put later, carries out next round work.

Claims (9)

1. refrigerator door fillet bend forming die, including upper die and lower die, it is provided with upper mold holding pad in upper mold, is set in lower die It is equipped with forming convax mould, it is characterised in that:The turnover panel and turnover panel fixed block for rolling over fillet are provided in upper mold, turnover panel is solid with turnover panel To determine block to connect by shaft, arc chute is provided on turnover panel fixed block, when turnover panel rotates, shaft is slided in arc chute, Turnover panel, which can be complied with, wants molding fillet to be rotated, the device that turnover panel drive block is provided in upper mold and is returned for turnover panel; Lower die includes lower template, and lower die backer is provided in lower template, lower die backer's block is provided on the outside of lower die backer, in lower die It is provided with spring lead between backer's block and forming terrace die, the position that forming terrace die slidably reciprocates in lower template is provided with Lower wear-resistant block I, corresponding position is provided with lower wear-resistant block II on forming terrace die.
2. refrigerator door fillet bend forming die according to claim 1, it is characterised in that:Between shaft and turnover panel or It is provided with revolute pair between person's shaft and arc chute.
3. refrigerator door fillet bend forming die according to claim 1 or claim 2, it is characterised in that:Shaft is hinged with turnover panel Or bearing is provided between shaft and arc chute.
4. refrigerator door fillet bend forming die according to claim 1, it is characterised in that:The dress returned for turnover panel It is set to vertical one end and tension spring I, one end setting other end setting on turnover panel that the other end in upper mold is arranged in shaft is set The tension spring II therein one that the other end in upper mold is arranged in shaft is arranged in universal installation spring, lateral one end in upper mold Kind, arbitrary two kinds or three kinds of combination.
5. refrigerator door fillet bend forming die according to claim 1, it is characterised in that:Upper mold further includes cope plate With upper mold binder panel seat, multiple spring leads are provided between cope plate and upper mold binder panel seat, turnover panel drive block one end is set It sets on cope plate, the other end stretches out the through-hole of corresponding position on upper mold binder panel seat, and turnover panel fixed block is arranged in upper molding compound On panel seat, cope plate limited post is provided on upper mold binder panel seat.
6. refrigerator door fillet bend forming die according to claim 5, it is characterised in that:It is arranged on upper mold binder panel seat There are protection block, protection block to be arranged in the inside of turnover panel fixed block, the distance between protection block and turnover panel are the thickness of refrigerator door.
7. refrigerator door fillet bend forming die according to claim 5, it is characterised in that:Upside is provided in upper mold to push away The forming convax mould of block, lower die is slidable structure, the downside pushing block coordinated with upside pushing block is provided on forming convax mould, in upper mold During compressing lower die, upside pushing block pushes forming convax mould to two Slideslips by downside pushing block.
8. refrigerator door fillet bend forming die according to claim 7, it is characterised in that:It is convex that molding is provided in lower die Mould return mechanism.
9. refrigerator door fillet bend forming die according to claim 1, it is characterised in that:Pass through between upper die and lower die Guide post guide sleeve connects.
CN201610291748.0A 2016-05-05 2016-05-05 Refrigerator door fillet bend forming die Active CN105798172B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610291748.0A CN105798172B (en) 2016-05-05 2016-05-05 Refrigerator door fillet bend forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610291748.0A CN105798172B (en) 2016-05-05 2016-05-05 Refrigerator door fillet bend forming die

Publications (2)

Publication Number Publication Date
CN105798172A CN105798172A (en) 2016-07-27
CN105798172B true CN105798172B (en) 2018-08-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101983794A (en) * 2010-11-05 2011-03-09 滁州市科创模具制造有限公司 Refrigerator door shell end bending die
CN202010710U (en) * 2010-12-22 2011-10-19 滁州市艾德模具设备有限公司 End bending mechanism of a refrigerator door shell
CN203578467U (en) * 2013-11-29 2014-05-07 滁州尚品精密机械有限公司 Equipment for bending four corners of door plate of refrigerator
CN103831358A (en) * 2014-03-23 2014-06-04 昆山市三建模具机械有限公司 Edging and bending die for refrigerator door panel
CN204867096U (en) * 2015-07-24 2015-12-16 厦门市昕圣机电工业有限公司 Stainless steel is bent does not have scotch structure mold
CN205702115U (en) * 2016-05-05 2016-11-23 郑州三环模具有限公司 Refrigerator door fillet bend forming die

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2649213Y (en) * 2003-09-23 2004-10-20 河南新飞电器有限公司 Bending die
KR100642585B1 (en) * 2005-12-15 2006-11-10 우영산업 주식회사 Bending device for door sash automatic car
CN102198462B (en) * 2011-04-22 2013-07-24 广东科龙模具有限公司 Spinning punch forming method for refrigerator door panel
CN202943158U (en) * 2012-11-30 2013-05-22 滁州市精华模具制造有限公司 Refrigerator door casing forming die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101983794A (en) * 2010-11-05 2011-03-09 滁州市科创模具制造有限公司 Refrigerator door shell end bending die
CN202010710U (en) * 2010-12-22 2011-10-19 滁州市艾德模具设备有限公司 End bending mechanism of a refrigerator door shell
CN203578467U (en) * 2013-11-29 2014-05-07 滁州尚品精密机械有限公司 Equipment for bending four corners of door plate of refrigerator
CN103831358A (en) * 2014-03-23 2014-06-04 昆山市三建模具机械有限公司 Edging and bending die for refrigerator door panel
CN204867096U (en) * 2015-07-24 2015-12-16 厦门市昕圣机电工业有限公司 Stainless steel is bent does not have scotch structure mold
CN205702115U (en) * 2016-05-05 2016-11-23 郑州三环模具有限公司 Refrigerator door fillet bend forming die

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