CN105964772A - Punching mould for inner cambered-surface towing hook mounting hole of closed bumper - Google Patents
Punching mould for inner cambered-surface towing hook mounting hole of closed bumper Download PDFInfo
- Publication number
- CN105964772A CN105964772A CN201610391963.8A CN201610391963A CN105964772A CN 105964772 A CN105964772 A CN 105964772A CN 201610391963 A CN201610391963 A CN 201610391963A CN 105964772 A CN105964772 A CN 105964772A
- Authority
- CN
- China
- Prior art keywords
- punch
- hole
- mould
- towing hook
- bumper
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a punching mould for an inner cambered-surface towing hook mounting hole of a closed bumper. The punching mould comprises an upper molding board, a lower molding board, a concave mould and a convex mould, wherein the upper molding board is fixedly connected to a concave mould fixing plate; the concave mould is fixedly connected to a concave mould fixing plate; the lower molding board is fixedly connected to a convex mould base plate; the convex mould base plate is fixedly connected to a convex mould fixing plate; the convex mould fixing plate is fixedly connected to the convex mould; a discharging plate is arranged on the low molding board; the discharging plate is in floating connection to the lower molding board; a convex mould hole is formed in the discharging plate; the convex mould passes through the convex mould hole and is in sliding fit to the convex mould hole; a processed closed bumper product is arranged on the discharging plate; and the upper part of the convex mould is positioned in an outer cambered-surface towing hook mounting hole of the closed bumper product. According to the punching mould, by adopting an inversion structure for the convex mould and the concave mould, the convex mould can be used a positioning part accurate positioning-punching hole of a processed product, and is pressed to move downwards along with the discharging plate in a mould closing process to realize a convex mould punching process. While precise coaxiality of the inner cambered-surface towing hook hole and the outer cambered-surface towing hook hole and high mass-production stability are guaranteed, the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of bumper punching die, remain silent bumper intrados towing hook especially for processing
The punching die of set installing hole.
Background technology
The structure of a kind of bumper of remaining silent is as it is shown in figure 5, the bumper 17 of remaining silent of arc is provided with towing hook set peace
Dress hole.The towing hook set installing hole processed includes intrados towing hook set installing hole 17-1 and extrados towing hook set peace
Dress hole 17-2, as shown in Figure 6.Intrados towing hook set installing hole and extrados towing hook set installing hole need to add respectively
Work, the two has the requirement of axiality.Fig. 7 show extrados towing hook set installing hole is machined and inner arc Orly
The most unprocessed state of rhampotheca installing hole.The extrados towing hook set installing hole being positioned at bumper extrados of remaining silent can
Used online punching to complete before pan feeding on rolling-line, and intrados towing hook set installing hole is due to away from two
Sidewall is too near, and the rolling process after online punching there will be intrados and sidewall fold, and technological requirement cannot expire
Foot；After roll-forming again because the hole distance of positions from bumper ends too away from, general Sheet Metal Forming Technology is difficulty with, institute
Can only carry out holing or coming by cut after roll-in with the current processing for intrados towing hook set installing hole
Complete.After bore process, the burr of product piece can stayed inside product piece, is difficult to remove, and the life of boring
Produce efficiency the lowest；Cut not only production efficiency is low, and production cost is the highest, and both the above adds simultaneously
All there is the instable problem of interior outer arc towing hook trepanning axiality in work technique.
Summary of the invention
Present invention aims to the drawback of prior art, it is provided that one can accurately ensure that inside and outside arc drags
Rhampotheca hole axiality and production efficiency high remain silent bumper intrados towing hook set installing hole punching die.
Problem of the present invention realizes with following technical proposals:
One is remained silent bumper intrados towing hook set installing hole punching die, including cope match-plate pattern, lower bolster, recessed
Mould and punch, cope match-plate pattern connects slider of punch, the affixed die block of described cope match-plate pattern, and die is solid with die
Determine the fixing connection of plate, the affixed convex mould pad of lower bolster, the affixed punch retainer of convex mould pad, punch retainer
Fixing with punch and be connected, described lower bolster is provided with stripper, stripper and lower bolster floating connection, discharging
Plate is provided with punch hole, and punch through punch hole and is slidably matched with punch hole, and processed bumper of remaining silent produces
Product part is seated on stripper, and punch top is positioned at the extrados towing hook set installing hole of bumper product part of remaining silent
In.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, described punch retainer is provided with reset
Spring eye, back-moving spring is arranged in back-moving spring hole, and the two ends up and down of back-moving spring touch stripper respectively
And convex mould pad；Stop screw passes lower bolster, convex mould pad, and the lower end of stop screw is spacing by lower bolster,
Threaded with stripper in the upper end of stop screw；Punch retainer is further fixed on stripper lead, discharging
Plate lead is slidably matched with stripper.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, described die is provided with material returned block and installs
Hole, material returned block installing hole is up big and down small shoulder hole, and material returned block is positioned at and material returned block hole, material returned block with
The minor diameter position in material returned block hole is slidably matched, and material returned block top is provided with boss, and boss is positioned at material returned block hole
Major diameter position.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, described material returned block upper end connects dnockout
Bar, knockout rod passes slider of punch, and knockout rod upper end connects punch press cross bar mechanism.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, the bottom of described die block sets
Having product piece limited post, under punching state, product piece limited post coupling is inserted into the recessed of bumper product part of remaining silent
In groove.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, stripper is provided with two pieces of product piece
Side auxiliary positioning block, two pieces of product piece side auxiliary positioning blocks touch the left and right sides of product piece respectively.
Above-mentioned bumper intrados towing hook set installing hole punching die of remaining silent, stripper bottom is provided with stroke limit
Platform.
The present invention is directed to solution bumper of remaining silent rush intrados towing hook trepanning highly-efficient processing problem and design.Described
Mould uses punch and die inverted structure, and product piece is placed on lower mold stripper, and punch passes in product piece
Machined extrados towing hook trepanning, so, punch one side is accurately fixed as the keeper of product to be processed
Position, punching hole, position, on the other hand moves downward with stripper pressurized in mould closing course and realizes punch punching
Process.A this dual-purpose ingehious design, the accurate and batch in the inside and outside arc towing hook trepanning axiality of guarantee
While production stability height, the structure of mould positioning mechanism can be simplified.After punching completes, beat with mould
Opening, stripper is made punch depart from die by action of reset spring, completes discharging；Mould continues to open, punch press
The cross bar mechanism of equipment acts on knockout rod, it is achieved waste material is got.The present invention compared to existing technology, improves
Production efficiency, has saved production cost, improves product quality.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of punching state of the present invention；
Fig. 2 is the structural representation of discharging state of the present invention；
Fig. 3 is the schematic diagram that product piece is positioned on stripper；
Fig. 4 is the partial enlarged view in Fig. 1 at A；
Fig. 5 has been the schematic diagram of the bumper product part of remaining silent of punching；
Fig. 6 is the sectional drawing (not in scale) of section B-B in Fig. 5；
Fig. 7 is the bumper product part sectional drawing of remaining silent of undressed intrados towing hook set installing hole.
In figure, each list of reference numerals is: 1, lower bolster, 2, guide pillar, 3, convex mould pad, 4, punch retainer,
5, stripper lead, 6, back-moving spring, 7, stripper, 8, product piece side auxiliary positioning block, 9, lead
Set, 10, die block, 10-1, stroke limit platform, 10-2, product piece limited post, 11, cope match-plate pattern,
12, slider of punch, 13, punch press cross bar mechanism, 14, knockout rod, 15, die, 15-1, material returned block are pacified
Dress hole, 16, material returned block, 16-1, boss, 17, bumper product part of remaining silent, 17-1, intrados towing hook
Set installing hole, 17-2, extrados towing hook set installing hole, 18, punch, 19, stop screw, 20, punching
Waste material.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, the present invention includes cope match-plate pattern 11, lower bolster 1, die 15 and punch 18, on
Template connects slider of punch 12, and cope match-plate pattern moves up and down with the motion of slider of punch, completes punching and beats waste material
Operation.Being symmetrical arranged guide pillar 2 on lower bolster, the position that cope match-plate pattern is corresponding with each guide pillar is provided with guide pin bushing 9, guide pillar,
Guide pin bushing is slidably matched, and guide effect is played in the up and down motion for cope match-plate pattern.Punch and the die of described mould are adopted
With inverted structure, i.e. die upper, punch under.The affixed die block of cope match-plate pattern 10, die and die
Fixed plate is fixing to be connected.The affixed convex mould pad of lower bolster 13, the affixed punch retainer of convex mould pad 4, punch
Fixed plate is fixing with punch 18 to be connected.Lower bolster is provided with stripper 7, and stripper can moving with cope match-plate pattern
Move up and down.Punch retainer 4 is provided with back-moving spring hole, and back-moving spring 6 is arranged on back-moving spring hole
In, the two ends up and down of back-moving spring touch stripper and convex mould pad respectively.Stop screw 19 through lower bolster,
Convex mould pad, the lower end of stop screw is spacing by lower bolster, threadeds with stripper in the upper end of stop screw.
Punch retainer is further fixed on stripper lead 5, and stripper lead is slidably matched with stripper.Processing
During intrados towing hook set installing hole, processed bumper product part 17 of remaining silent is placed on stripper, punch
Top is positioned at the extrados towing hook set installing hole of bumper product part of remaining silent.So, punch on the one hand conduct
The keeper of product to be processed is accurately positioned position, punching hole, it is ensured that intrados towing hook set installing hole and outer arc Orly
The axiality of rhampotheca installing hole；On the other hand in mould closing course, realization is moved downward with stripper pressurized
Punch punch process.
Referring to Fig. 1, Fig. 2, Fig. 3, the bottom of described die block 10 is provided with product piece limited post 10-2,
Under punching state, product piece limited post coupling is inserted in the groove of bumper product part of remaining silent, to insurance of remaining silent
Thick stick product piece auxiliary stopper.Two pieces of product piece side auxiliary positioning blocks 8, two pieces of product piece it are additionally provided with on stripper
Side auxiliary positioning block touches the left and right sides of product piece respectively.Stripper bottom is provided with stroke limit platform 10-1, punching
Kong Shi, when stroke limit platform presses side auxiliary positioning block, punch process terminates.
Referring to Fig. 1, Fig. 2, Fig. 4, die 15 is provided with material returned block installing hole 15-1, and material returned block installing hole is
Up big and down small shoulder hole, material returned block 16 is assemblied in material returned block hole, material returned block and the minor diameter in material returned block hole
Position is slidably matched, and material returned block top is provided with boss 16-1, and boss is positioned at the major diameter position in material returned block hole,
Boss is spacing for beating waste material.Material returned block upper end connects knockout rod 14, and knockout rod passes slider of punch, dnockout
Bar upper end connects punch press cross bar mechanism 13.
Referring still to Fig. 1, Fig. 2, the work process of the present invention is as follows: will machined extrados towing hook set peace
The bumper product part 17 of remaining silent in dress hole is placed on stripper, and extrados towing hook set installing hole is downward, punch
Top is inserted in the extrados towing hook set installing hole of bumper product part of remaining silent.Cope match-plate pattern 11 is fixed together with die
Plate and die move downward, and stripper 7 is by die block pressure effect compression reseting spring 6, and remain silent guarantor
Danger thick stick product piece is moved downwardly together with stripper, connects belling mould 18 and realize punching in motor process；Cope match-plate pattern
Material returned block 15 being squeezed in die 15 die cavity by punch 18 and waste material 20, punching during descending
Journey terminates.Along with cope match-plate pattern is opened, during cope match-plate pattern moves upward, back-moving spring reset response is in discharging
Plate 7, stripper 7 and product piece 17 move upwardly together, and punch departs from die and realizes discharging；Cope match-plate pattern continues
Continuous up, knockout rod 14 is forced knockout rod 14 to move downward by punch press cross bar mechanism effect, and knockout rod touches
Pressure material returned block 15, material returned block moves down gets concave die cavity by waste material 20.So far, a punch work process
Complete.
Claims (7)
1. bumper intrados towing hook of remaining silent set an installing hole punching die, including cope match-plate pattern (11), under
Template (1), die (15) and punch (18), cope match-plate pattern connects slider of punch (12), it is characterised in that:
The affixed die block of described cope match-plate pattern (10), die is fixing with die block to be connected, and lower bolster is affixed convex
Die-cushion plate (3), the affixed punch retainer of convex mould pad (4), punch retainer is fixing with punch to be connected, institute
Stating lower bolster and be provided with stripper (7), stripper and lower bolster floating connection, stripper is provided with punch hole,
Punch through punch hole and is slidably matched with punch hole, and processed bumper product part (17) of remaining silent is seated in
On stripper, punch top is positioned at the extrados towing hook set installing hole of bumper product part of remaining silent.
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 1, it is special
Levying and be: described punch retainer is provided with back-moving spring hole, back-moving spring (6) is arranged in back-moving spring hole,
The two ends up and down of back-moving spring touch stripper and convex mould pad respectively；Stop screw (19) through lower bolster,
Convex mould pad, the lower end of stop screw is spacing by lower bolster, threadeds with stripper in the upper end of stop screw；
Punch retainer is further fixed on stripper lead (5), and stripper lead is slidably matched with stripper.
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 2, it is special
Levying and be: described die (15) is provided with material returned block installing hole (15-1), material returned block installing hole is up big and down small
Shoulder hole, material returned block (16) is positioned at and material returned block hole, the minor diameter position in material returned block and material returned block hole
Being slidably matched, material returned block top is provided with boss (16-1), and boss is positioned at the major diameter position in material returned block hole.
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 3, it is special
Levying and be: described material returned block upper end connects knockout rod (14), knockout rod passes slider of punch, knockout rod upper end
Connect punch press cross bar mechanism (13).
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 4, it is special
Levy and be: the bottom of described die block (10) is provided with product piece limited post (10-2), under punching state
Product piece limited post coupling is inserted in the groove of bumper product part of remaining silent.
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 5, it is special
Levy and be: stripper is provided with two pieces of product piece sides auxiliary positioning block (8), two pieces of product piece side auxiliary positioning
Block touches the left and right sides of product piece respectively.
Bumper intrados towing hook set installing hole punching die of remaining silent the most according to claim 6, it is special
Levy and be: stripper bottom is provided with stroke limit platform (10-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391963.8A CN105964772B (en) | 2016-06-06 | 2016-06-06 | A kind of silent bumper intrados towing hook set mounting hole punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391963.8A CN105964772B (en) | 2016-06-06 | 2016-06-06 | A kind of silent bumper intrados towing hook set mounting hole punching die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964772A true CN105964772A (en) | 2016-09-28 |
| CN105964772B CN105964772B (en) | 2018-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391963.8A Active CN105964772B (en) | 2016-06-06 | 2016-06-06 | A kind of silent bumper intrados towing hook set mounting hole punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105964772B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984706A (en) * | 2017-05-27 | 2017-07-28 | 桂林福达重工锻造有限公司 | A kind of automobile clutch damping disk(-isc) forming lower die |
| CN107442645A (en) * | 2017-08-23 | 2017-12-08 | 中国第汽车股份有限公司 | Automobile top cover floating cavity die punching die |
| CN108080495A (en) * | 2018-03-01 | 2018-05-29 | 枣庄福源环能机械制造有限公司 | The punching die and manufacturing method of a kind of towel holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007044727A (en) * | 2005-08-09 | 2007-02-22 | Nissan Motor Co Ltd | Method and device for producing press formed article |
| CN202803922U (en) * | 2012-07-13 | 2013-03-20 | 成都进界科技有限公司 | Flip drawing die with pressure plate |
| CN103551446A (en) * | 2013-07-16 | 2014-02-05 | 健雄职业技术学院 | Edge distance punching die |
| CN103567293A (en) * | 2012-08-08 | 2014-02-12 | 成都科兴密封技术有限公司 | Inverse punching and blanking die |
| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
-
2016
- 2016-06-06 CN CN201610391963.8A patent/CN105964772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007044727A (en) * | 2005-08-09 | 2007-02-22 | Nissan Motor Co Ltd | Method and device for producing press formed article |
| CN202803922U (en) * | 2012-07-13 | 2013-03-20 | 成都进界科技有限公司 | Flip drawing die with pressure plate |
| CN103567293A (en) * | 2012-08-08 | 2014-02-12 | 成都科兴密封技术有限公司 | Inverse punching and blanking die |
| CN103551446A (en) * | 2013-07-16 | 2014-02-05 | 健雄职业技术学院 | Edge distance punching die |
| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984706A (en) * | 2017-05-27 | 2017-07-28 | 桂林福达重工锻造有限公司 | A kind of automobile clutch damping disk(-isc) forming lower die |
| CN107442645A (en) * | 2017-08-23 | 2017-12-08 | 中国第汽车股份有限公司 | Automobile top cover floating cavity die punching die |
| CN108080495A (en) * | 2018-03-01 | 2018-05-29 | 枣庄福源环能机械制造有限公司 | The punching die and manufacturing method of a kind of towel holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105964772B (en) | 2018-09-25 |
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Effective date of registration: 20190530 Address after: 511340 Guangzhou Zengcheng Xintang Town Establishment Road 103 East Guangzhou (Zengcheng) Automobile Industry Base Patentee after: Guangzhou Lingyun Beijing Great Automotive Components Company Limited Address before: 072761 Songlindian Town, Zhuozhou City, Baoding City, Hebei Province Patentee before: LINGYUN INDUSTRIAL CORPORATION LIMITED |
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| TR01 | Transfer of patent right |