CN106238583A - A kind of band cam die - Google Patents
A kind of band cam die Download PDFInfo
- Publication number
- CN106238583A CN106238583A CN201610873799.4A CN201610873799A CN106238583A CN 106238583 A CN106238583 A CN 106238583A CN 201610873799 A CN201610873799 A CN 201610873799A CN 106238583 A CN106238583 A CN 106238583A
- Authority
- CN
- China
- Prior art keywords
- material pressing
- pressing core
- guide plate
- plate
- core assembly
- 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.)
- Pending
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to a kind of band cam die, including upper bolster, material pressing core assembly, swing material pressing core assembly, driving slope guide plate, driven slope guide plate, upper drive seat, driving guide plate, side to repair cutter block, wedge slide block, upper V-type guide plate, lower V-type guide plate, die shoe, side blow drift, fission_typed punch, drift, nitrogen cylinder, side slide plate, lateral pressing assembly, pressing plate, flipper guide and lower driving plate；Swing material pressing core assembly to include cover plate, swing material pressing core, restoration original part and swinging axle.In the technical scheme of the application, carry out lateral pressing by swinging material pressing core assembly, it is ensured that the optimization of mould structure, avoid the interference of upper and lower material pressing core simultaneously, thus shorten debugging cycle, reduce frock development cost high, it is applicable to major part band cam die, solves the work of complex space curved surfaces.
Description
Technical field
The invention belongs to technical field of mold, particularly relate to a kind of band cam die.
Background technology
Vehicle body Sheet Metal Forming Technology mainly includes the techniques such as drawing, Xiu Chong, shaping, because of complexity and operation limited of curved surface, makes
Wedge is widely used in side shaping, the mold toolings such as punching are repaiied in side flanging, side.And wedge uses process because of involved stamping parts face
Binder effect, directly affect use wedge part accuracy.
Along with stamping parts becomes increasingly complex, wedge installing space is more and more compacter, to arc area binder effect requirements more
Height, this region material pressing core is arranged can affect Wedge mechanism complexity and loading and unloading production efficiency, how to realize higher mould
Space availability ratio, requires that Wedge mechanism is increasingly simpler simultaneously, and safety is become better and better, and cost is more and more lower, and production efficiency is more
Height is the target of this area.
General band cam die is to set lateral pressing core on Wedge mechanism or upper bolster, and after binder effect, structure is complicated, empty
Between big；Or use arrange on positive binder secondary side reshaping device side pressure nitrogen cylinder auxiliary binder, space is relatively small, but binder effect
Fruit is general.
Summary of the invention
It is an object of the invention to provide a kind of band cam die, relatively big to solve the space of lateral pressing core design, binder is not
Stable, that die cost is high and production efficiency is the highest problem.
The present invention is achieved by the following technical solutions:
A kind of band cam die, including upper bolster, material pressing core assembly, swing material pressing core assembly, driving slope guide plate, is driven
Cutter block, wedge slide block, upper V-type guide plate, lower V-type guide plate, die shoe, side blow punching are repaiied in slope guide plate, upper drive seat, driving guide plate, side
Head, fission_typed punch, drift, nitrogen cylinder, side slide plate, lateral pressing assembly, pressing plate, flipper guide and lower driving plate；
Described material pressing core assembly is connected with described upper bolster by nitrogen cylinder and working side pin；Described swing material pressing core assembly
It is connected with described material pressing core assembly；
Described upper drive seat is fixed on described upper bolster；Described driving slope guide plate is fixed in described upper drive seat；Institute
State and driven slope guide plate to be arranged on described swing material pressing core assembly；Described driving slope guide plate is driven slope guide plate to slide with described
Coordinate；Described side slide plate is fixed on described swing material pressing core assembly；
Described driving guide plate is arranged in described upper drive seat；
The lower surface of described wedge slide block is provided with V-type guide plate, is provided with lower V-type guide plate on described die shoe；Institute
State V-type guide plate to be slidably matched with described lower V-type guide plate；Described lower driving plate and described pressing plate are both secured to described die shoe
On；Described flipper guide is fixed on described wedge slide block；Described wedge slide block is by described lower V-type guide plate, described pressing plate and institute
State lower driving plate to be slideably positioned on described die shoe；Described fission_typed punch is fixed on described die shoe；
Described side is repaiied cutter block, described side blow drift and described lateral pressing assembly and be may be contained within described wedge slide block；Described
Lateral pressing assembly is movable with described swing material pressing core assembly to be contacted；
Described drift is fixed on described upper bolster.
Described swing material pressing core assembly includes cover plate, swings material pressing core, restoration original part and swinging axle；Described cover plate is fixed on
On described material pressing core assembly；Described swing material pressing core is rotationally connected by described swinging axle with described cover plate；Described restoration original part
It is arranged on described swing material pressing core.
Described cover plate is frame-shaped construction, and the upper end of described swing material pressing core is arranged in the frame-shaped construction of described cover plate；?
It is provided with limited block on described swing material pressing core, is used for swinging material pressing core binder and puts in place spacing.
Including guide pin bushing, described guide pin bushing is placed on described swinging axle.
Described swinging axle is provided with antiturning fastener board.
Described restoration original part includes back-moving spring and caging bolt；Described caging bolt through after described swing material pressing core with
Described material pressing core assembly connects；Described back-moving spring is socketed on described caging bolt.
Also including forcing backhaul to hook, described pressure backhaul hooks and is connected with described upper drive seat and described wedge slide block respectively.
Including punch insert, described punch insert is fixed on described die shoe.
Described wedge slide block is provided with wedge reset buffer.
Described die shoe is provided with block, puts in place spacing for described wedge slider-actuated.
The invention has the beneficial effects as follows:
In the technical scheme of the application, carry out lateral pressing by swinging material pressing core assembly, it is ensured that the optimization of mould structure, with
Time avoid the interference of upper and lower material pressing core, thus shorten debugging cycle, reduce frock development cost high, it is adaptable to major part band wedge
Mould, solves the work of complex space curved surfaces.
Accompanying drawing explanation
Fig. 1 is the sectional view of band cam die of the present invention；
Fig. 2 is band cam die portion of the present invention axonometric drawing.
Description of reference numerals
1 upper bolster, 2 cover plates, 3 swing material pressing core, 4 restoration original parts, 4-1 back-moving spring, 4-2 caging bolt, and 5 drivings are tiltedly led
Plate, 6 limited blocks, 7 are driven slope guide plate, drive seat on 8, and 9 drive guide plate, and cutter block is repaiied in 10 sides, and 11 wedge slide blocks, on 12, V-type is led
Plate, 13 times V-type guide plates, 14 die shoes, 15 side blow drifts, 16 punch inserts, 17 fission_typed punchs, 18 scrap chutes, 19 tapers
Balance weight assembly, 20 sensing elements, 21 drifts, 22 nitrogen cylinders, 23 swinging axles, 23-1 antiturning fastener board, 24 guide pin bushings, 25 material pressing core groups
Part, 26 side slide plates, 27 lateral pressing assemblies, 28 force backhaul to hook, 29 wedge reset buffers, 30 pressing plates, 31 flipper guides, 32 times
Drive plate, 33 wedge restoration original parts, 34 blocks.
Detailed description of the invention
Describing technical scheme by the following examples in detail, below example is only exemplary, only
Can be used for explaining and illustrate technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
The application provides a kind of band cam die, as depicted in figs. 1 and 2, including upper bolster 1, material pressing core assembly 25, swings
Material pressing core assembly, drive slope guide plate 5, driven slope guide plate 7, upper drive seat 8, drive guide plate 9, side to repair cutter block 10, wedge slide block
11, upper V-type guide plate 12, lower V-type guide plate 13, die shoe 14, side blow drift 15, fission_typed punch 17, drift 21, nitrogen cylinder 22,
Side slide plate 26, lateral pressing assembly 27, pressing plate 30, flipper guide 31 and lower driving plate 32.
Material pressing core assembly is connected with upper bolster by nitrogen cylinder and working side pin, realizes material pressing core assembly by nitrogen cylinder
Positive binder；Swing material pressing core assembly to be connected with material pressing core assembly.
Swing material pressing core assembly to include cover plate 2, swing material pressing core 3, restoration original part 4 and swinging axle 23；Cover plate passes through bolt
It is fixed on material pressing core assembly with pin；Swing material pressing core to be rotationally connected by swinging axle with cover plate；Swinging axle is provided with
Antiturning fastener board 23-1, prevents swinging axle from rotating.Restoration original part is arranged on swing material pressing core.Restoration original part includes back-moving spring 4-
1 and caging bolt 4-2；Caging bolt is connected with material pressing core assembly after swinging material pressing core；Back-moving spring is socketed on spacing spiral shell
On bolt.Pass through restoration original part, it is achieved swing the reset of material pressing core and spacing.
Cover plate is frame-shaped construction, and the upper end swinging material pressing core is arranged in the frame-shaped construction of cover plate；Swinging on material pressing core
It is provided with limited block 6, is used for swinging material pressing core binder and puts in place spacing.
Including guide pin bushing 24, guide pin bushing 24 is placed on swinging axle 23, it is achieved swing the oscillating motion of material pressing core, improves to swing and stablizes
Property, reduce noise and energy consumption.
Upper drive seat 8 is fixed on upper bolster；Slope guide plate 5 is driven to be fixed in drive seat；Slope guide plate 7 is driven to arrange
In swinging on material pressing core assembly；Slope guide plate is driven to be slidably matched with driving slope guide plate；Side slide plate is fixed on swing material pressing core
On assembly；
Guide plate 9 is driven to be arranged in drive seat；
The lower surface of wedge slide block is provided with V-type guide plate 12, is provided with lower V-type guide plate 13 on die shoe；Upper V-type is led
Plate is slidably matched with lower V-type guide plate；Lower driving plate 32 and pressing plate 30 are both secured on die shoe；It is sliding that flipper guide 31 is fixed on wedge
On block；Wedge slide block is slideably positioned on die shoe by lower V-type guide plate, pressing plate and lower driving plate；Fission_typed punch 17 is fixed
On die shoe；
Side is repaiied cutter block 10, side blow drift 15 and lateral pressing assembly 27 and be may be contained within wedge slide block 11；Lateral pressing assembly with
Swing the movable contact of material pressing core assembly；
Drift 21 is fixed on upper bolster；Scrap chute 18, conical balance block assembly 19 and sensing it is additionally provided with on mould
Element 20, these parts are prior art, therefore, are not described in detail.
Also include forcing backhaul to hook 28, force backhaul to hook 28 and be connected with upper drive seat and wedge slide block respectively.
Including punch insert 16, punch insert 16 is fixed on die shoe.
Wedge slide block is provided with wedge reset buffer 29.
Die shoe is provided with block 34, puts in place spacing for wedge slider-actuated.
In work process:
First material pressing core assembly 25, swing material pressing core 3 move downward along with upper bolster 1, when material pressing core assembly 25 contact point
During body formula punch 17, upper bolster 1 continues traveling downwardly, and the driving slope guide plate 5 being arranged on drive seat 8 starts to act on to be driven tiltedly to lead
Plate 7 drives swing material pressing core 3 to swing around swinging axle 23, in swing process, swings and passes through between material pressing core 3 and material pressing core assembly 25
Side slide plate 26 guides and coordinates；In swing process, restoration original part 4 pressurized, wedge slide block 11 starts to repair or punching side along side simultaneously
To motion, side pressure assembly 27 starts to press swing material pressing core 3, when limited block 6 contacts material pressing core assembly 25, swings material pressing core
3 pairs of punch insert 16 product area complete binder, and then cutter block 10 and side blow drift 15 starting side are repaiied in the side on wedge slide block 11
Repair punching.Then wedge slide block 11 resets under wedge restoration original part 33 acts on, and then swings material pressing core 3 and starts around swinging axle 23,
Start to reset under restoration original part 4 spring force.Last upper bolster 1 starts drive material pressing core assembly 25 and swing material pressing core 3 upwards
Motion, side is repaiied punch die and is completed the most stamping work.
Below it is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited concrete structure, for those skilled in the art, without departing from the principle of the invention
On the premise of, it is also possible to making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a band cam die, it is characterised in that: include upper bolster, material pressing core assembly, swing material pressing core assembly, drive and tiltedly lead
Plate, driven slope guide plate, upper drive seat, drive guide plate, side to repair cutter block, wedge slide block, upper V-type guide plate, lower V-type guide plate, lower mold
Seat, side blow drift, fission_typed punch, drift, nitrogen cylinder, side slide plate, lateral pressing assembly, pressing plate, flipper guide and lower driving plate；
Described material pressing core assembly is connected with described upper bolster by nitrogen cylinder and working side pin；Described swing material pressing core assembly and institute
State material pressing core assembly to connect；
Described upper drive seat is fixed on described upper bolster；Described driving slope guide plate is fixed in described upper drive seat；Described quilt
Slope guide plate is driven to be arranged on described swing material pressing core assembly；Described driving slope guide plate is driven slope guide plate slip to join with described
Close；Described side slide plate is fixed on described swing material pressing core assembly；
Described driving guide plate is arranged in described upper drive seat；
The lower surface of described wedge slide block is provided with V-type guide plate, is provided with lower V-type guide plate on described die shoe；Described upper V
Type guide plate is slidably matched with described lower V-type guide plate；Described lower driving plate and described pressing plate are both secured on described die shoe；Described
Flipper guide is fixed on described wedge slide block；Described wedge slide block is by described lower V-type guide plate, described pressing plate and described lower driving
Plate is slideably positioned on described die shoe；Described fission_typed punch is fixed on described die shoe；
Described side is repaiied cutter block, described side blow drift and described lateral pressing assembly and be may be contained within described wedge slide block；Described side pressure
Expect that assembly is movable with described swing material pressing core assembly to contact；
Described drift is fixed on described upper bolster.
Band cam die the most according to claim 1, it is characterised in that: described swing material pressing core assembly includes cover plate, pendulum
Dynamic material pressing core, restoration original part and swinging axle；Described cover plate is fixed on described material pressing core assembly；Described swing material pressing core is with described
Cover plate is rotationally connected by described swinging axle；Described restoration original part is arranged on described swing material pressing core.
Band cam die the most according to claim 2, it is characterised in that: described cover plate is frame-shaped construction, described swing pressure
The upper end of material core is arranged in the frame-shaped construction of described cover plate；Described swing material pressing core is provided with limited block, is used for swinging
Material pressing core binder puts in place spacing.
Band cam die the most according to claim 2, it is characterised in that: include that guide pin bushing, described guide pin bushing are placed on described swing
On axle.
Band cam die the most according to claim 2, it is characterised in that: on described swinging axle, it is provided with antiturning fastener board.
Band cam die the most according to claim 2, it is characterised in that: described restoration original part includes back-moving spring and spacing
Bolt；Described caging bolt is connected with described material pressing core assembly after described swing material pressing core；Described back-moving spring is socketed on
On described caging bolt.
Band cam die the most according to claim 1, it is characterised in that: also include forcing backhaul to hook, described pressure backhaul
Hook and be connected with described upper drive seat and described wedge slide block respectively.
Band cam die the most according to claim 1, it is characterised in that: include that punch insert, described punch insert are fixed
On described die shoe.
Band cam die the most according to claim 1, it is characterised in that: on described wedge slide block, it is provided with wedge resets
Buffer.
Band cam die the most according to claim 1, it is characterised in that: on described die shoe, it is provided with block, is used for
Described wedge slider-actuated puts in place spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873799.4A CN106238583A (en) | 2016-09-30 | 2016-09-30 | A kind of band cam die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873799.4A CN106238583A (en) | 2016-09-30 | 2016-09-30 | A kind of band cam die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106238583A true CN106238583A (en) | 2016-12-21 |
Family
ID=57612282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873799.4A Pending CN106238583A (en) | 2016-09-30 | 2016-09-30 | A kind of band cam die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106238583A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052137A (en) * | 2017-06-20 | 2017-08-18 | 江西江铃底盘股份有限公司 | A kind of brake dust side-cutting die |
| CN111515305A (en) * | 2020-05-28 | 2020-08-11 | 瑞鹄汽车模具股份有限公司 | Complex curved surface-based die with side trimming and punching tapered wedge |
| CN112719088A (en) * | 2021-01-27 | 2021-04-30 | 杨琼英 | Side trimming die area is pressed material hoist and mount slide wedge structure |
| CN115229000A (en) * | 2022-07-27 | 2022-10-25 | 中国第一汽车股份有限公司 | Split type material pressing plate, die and method for improving material pressing state of fist area of fender |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554038A (en) * | 2011-12-29 | 2012-07-11 | 瑞鹄汽车模具有限公司 | Side-driving material pressing mechanism and stamping method thereof |
| CN103480733A (en) * | 2013-09-06 | 2014-01-01 | 亿森（上海）模具有限公司 | Double-action double-angle lateral shaping mechanism |
| CN203972609U (en) * | 2014-06-24 | 2014-12-03 | 安徽江淮福臻车体装备有限公司 | Concealed punching wedge mechanism |
| CN203992045U (en) * | 2014-07-10 | 2014-12-10 | 湖北十堰先锋模具股份有限公司 | A kind of mould compact Wedge mechanism |
| CN204074960U (en) * | 2014-10-28 | 2015-01-07 | 安徽江淮汽车股份有限公司 | The Wedge mechanism of flanging die and flanging die |
| CN204220794U (en) * | 2014-11-17 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Split type tapered wedge mechanism and diel |
| CN205436771U (en) * | 2016-03-30 | 2016-08-10 | 安徽江淮汽车股份有限公司 | Side blow hole waste material crushed aggregates device and mould |
-
2016
- 2016-09-30 CN CN201610873799.4A patent/CN106238583A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554038A (en) * | 2011-12-29 | 2012-07-11 | 瑞鹄汽车模具有限公司 | Side-driving material pressing mechanism and stamping method thereof |
| CN103480733A (en) * | 2013-09-06 | 2014-01-01 | 亿森（上海）模具有限公司 | Double-action double-angle lateral shaping mechanism |
| CN203972609U (en) * | 2014-06-24 | 2014-12-03 | 安徽江淮福臻车体装备有限公司 | Concealed punching wedge mechanism |
| CN203992045U (en) * | 2014-07-10 | 2014-12-10 | 湖北十堰先锋模具股份有限公司 | A kind of mould compact Wedge mechanism |
| CN204074960U (en) * | 2014-10-28 | 2015-01-07 | 安徽江淮汽车股份有限公司 | The Wedge mechanism of flanging die and flanging die |
| CN204220794U (en) * | 2014-11-17 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Split type tapered wedge mechanism and diel |
| CN205436771U (en) * | 2016-03-30 | 2016-08-10 | 安徽江淮汽车股份有限公司 | Side blow hole waste material crushed aggregates device and mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107052137A (en) * | 2017-06-20 | 2017-08-18 | 江西江铃底盘股份有限公司 | A kind of brake dust side-cutting die |
| CN111515305A (en) * | 2020-05-28 | 2020-08-11 | 瑞鹄汽车模具股份有限公司 | Complex curved surface-based die with side trimming and punching tapered wedge |
| CN112719088A (en) * | 2021-01-27 | 2021-04-30 | 杨琼英 | Side trimming die area is pressed material hoist and mount slide wedge structure |
| CN115229000A (en) * | 2022-07-27 | 2022-10-25 | 中国第一汽车股份有限公司 | Split type material pressing plate, die and method for improving material pressing state of fist area of fender |
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| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Application publication date: 20161221 |
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| WD01 | Invention patent application deemed withdrawn after publication |