CN109201879A - A kind of rear axle capping trimming-flanging composite die and combination process - Google Patents
A kind of rear axle capping trimming-flanging composite die and combination process Download PDFInfo
- Publication number
- CN109201879A CN109201879A CN201811088395.XA CN201811088395A CN109201879A CN 109201879 A CN109201879 A CN 109201879A CN 201811088395 A CN201811088395 A CN 201811088395A CN 109201879 A CN109201879 A CN 109201879A
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- Prior art keywords
- die
- trimming
- flanging
- plate
- rear axle
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Classifications
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- 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
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of rear axles to cover trimming-flanging composite die, which is divided into the top half of mold and the lower half portion of mold, and the top half of mold includes: guide sleeve, cope plate, punch-die, die shank, discharge arm and loading and unloading material block；The lower half portion of mold includes flanging die, trim die, guide post, cavity plate backing plate, bottom knockout plate, convex mould pad, lower template and polyurethane, the guide sleeve is by interference fit in the corresponding dowel hole in cope plate two sides, punch-die is fixed on cope plate bottom by bolt and pin, die shank lower section is by interference fit in the fixation hole of cope plate, loading and unloading material block is placed in intermediate cavity corresponding to punch-die by clearance fit, and the centre bore that discharge arm passes through die shank is connect with loading and unloading material block.Rear axle covers trimming-flanging composite die and traditional two procedures group is combined into one of process to the technique of rear axle capping progress trimming, flange, and production efficiency improves 87%, and quality is more stable.
Description
Technical field
The invention belongs to machinery equipment field, especially a kind of rear axle capping trimming-flanging composite die and combination process.
Background technique
Rear axle capping is one of accessory of hind axle assembly, is directly installed on rear axle both ends, it directly affect after rear axle it is anti-
It is oily, dust-proof and other effects.It is by fabrication processing traditional at present: blanking → blanking → forming → trimming → flange, to reach
The design requirement of product.But this production technology production efficiency is low, and production cost is higher, and due to that cannot have technique on workpiece
Hole, so can only be positioned by outer shape in overturning process operation, fillet surface causes to operate bad positioning more, passes through
Often there is the unilateral phenomenon of flange height, product quality is relatively inaccessible to require.
Chinese patent notification number is that 102847793 A of CN discloses a kind of deburring flanging side punching compound die
Tool, comprising: upper die and lower die, the upper mold are provided with trimming upper die, flange upper mold and side punching upper mold, and the lower die is set
Be equipped with nitrogen gas spring, deburring lower die, flanging lower die and side punching lower die, the trimming upper die be provided with excellent power glue, pressure plate and
Upper mold trimming block, the deburring lower die are provided with lower die trimming block and cylinder material jacking mechanism, the flange upper mold be provided with cavity plate,
Flange block, material removing mechanism, de- material nitrogen cylinder, pressure plate nitrogen cylinder, upper mold pressure plate and hole flanging punch, the flanging lower die setting
There are punch-pin, positioning rule and lower die pressure plate, the side punching upper mold to be provided with side punching formed punch, polyester cyanamide feeding pressure mechanism, tiltedly
Wedge and idler wheel.The compound working procedure processing of flange and side punching may be implemented in the mold, but will appear that flange height is unilateral to be showed
As product quality is relatively inaccessible to require.
Summary of the invention
The purpose of the present invention is to solve defects of the existing technology, provide the disposable shaft seal cover after the completion of one kind and cut
Side, flange composite die, by using reasonable topology layout, in addition punch-die, related backing plate and device for discharging, liftout
The innovative design of device.Rear axle capping trimming-flanging composite die is mounted on press machine to cover rear axle and carries out trimming, turns over
The Compound Machining of side process.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of rear axle capping trimming-flanging composite die, the mold are divided into the top half of mold and the lower half portion of mold, mould
The top half of tool includes: guide sleeve, cope plate, punch-die, die shank, discharge arm and loading and unloading material block；
The lower half portion of mold includes flanging die, trim die, guide post, cavity plate backing plate, bottom knockout plate, convex mould pad, lower die
Plate and polyurethane, for the guide sleeve through interference fit in the corresponding dowel hole in cope plate two sides, punch-die passes through bolt
And pin is fixed on cope plate bottom, through interference fit in the fixation hole of cope plate, loading and unloading material block passes through die shank lower section
Clearance fit is placed in intermediate cavity corresponding to punch-die, and the centre bore that discharge arm passes through die shank is connect with loading and unloading material block；
For guide post through interference fit in the fixation hole of lower template two sides, trim die and cavity plate backing plate pass through bolt and pin
It is fixed in lower template, flanging die, convex mould pad are connect by sequence up and down with lower template by bolt；Between bottom knockout plate passes through
Gap cooperation mounted in trim die with that shape is fixed composed by convex mould pad is intracavitary, and be connected to down by stripper bolt and polyurethane
Template bottom.
A kind of above-mentioned rear axle covers trimming-flanging composite die, the loading and unloading material block shape and convex-concave model cavity gap
Cooperation, double-faced clearance 0.4-0.6mm, top are connect with discharge arm bottom silking, form movable loading and unloading material component.
A kind of above-mentioned rear axle covers trimming-flanging composite die, punch-die peripheral shape and trim die clearance fit,
For sharp trimming cutting edge, double-faced clearance 0.08mm；Its various places inside is fillet, shape and flanging die clearance fit, list
Side gap is 0.8mm, as flange cavity plate.
A kind of above-mentioned rear axle covers trimming-flanging composite die, and flanging die and trim die are respectively arranged below with
Convex mould pad and cavity plate backing plate.
A kind of above-mentioned rear axle covers trimming-flanging composite die, and convex mould pad is "X" shape.
A kind of above-mentioned rear axle covers trimming-flanging composite die, bottom knockout plate in square tube shape and inner cavity hollow out for institute
State in " X " that convex mould pad matches empty shape, and with convex mould pad shape clearance fit, double-faced clearance 0.4mm；
A kind of above-mentioned rear axle covers trimming-flanging composite die, bottom knockout plate barrel shape and trim die clearance fit, double
Face gap is 0.4mm.
Rear axle covers trimming-flanging composite die and covers the technique for carrying out trimming, flange to rear axle, includes the following steps:
Step 1: a kind of rear axle capping trimming-flanging composite die is mounted on 100T press machine；
Step 2: the prefabricated workpiece after blanking, forming process is placed on flanging die, and is set in corresponding positioning shape chamber
Position；
Step 3: starting press machine, and cope plate is run down with lathe upper table, and bottom knockout plate counter is made in the compression of polyurethane
Firmly lower and punch-die elder generation workpiece pressing, and then punch-die moves downward, and the trimming process of workpiece is completed with trim die, on
Mould is continued traveling downwardly with lathe, until product is compacted by punch-die and flanging die, completes the overturning process of workpiece；
Step 4: after workpiece trimming, flange processing, the top half return of press machine top shoe driven mold, bottom knockout plate is poly-
The elastic force effect of urethane is lower to jack up workpiece, and the coupled discharge arm of loading and unloading material block is also with sliding block uplink, until discharge arm top
End is touched with lathe cross bar, and the workpiece for being sticked to upper mold is got from convex-concave mold cavity, then is taken out workpiece with auxiliary tool and cut
Leftover bits and pieces of material；
Step 5: the operation of from Step 2 to Step 4 is repeated, the production of lower workpiece is carried out.
The invention has the benefit that the composite die is by using reasonable topology layout, in addition punch-die, associated pads
The innovative design of plate and device for discharging, Lifting Device is combined into one of process by traditional two procedures group, and production efficiency improves
87%, quality is more stable；
The present invention passes through the frame mode disposably positioned, and combines mold composite principle, combines trimming and overturning process, disappears
In addition to the inevitable position error of multi-process, Product Precision and production efficiency are improved；Mold uses the convex mould pad of " X " type
With bottom knockout plate, it ensure that product fastens not play in pressing process, binder and discharging are smooth；Mold passes through loading and unloading material block pusher
Mode carry out discharging, pusher position and product shape are coincide, and while improving production efficiency, ensure that product appearance.
Detailed description of the invention
Fig. 1 is 1 schematic view of the front view of the embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of 1 lower half portion of the embodiment of the present invention；
Fig. 3 is 1 rear axle of embodiment of the present invention capping structural schematic diagram.
In figure: guide sleeve 1, cope plate 2, punch-die 3, die shank 4, discharge arm 5, loading and unloading material block 6, flanging die 7, trim die
8, guide post 9, cavity plate backing plate 10, bottom knockout plate 11, convex mould pad 12, lower template 13, polyurethane 14, rear axle capping 15.
Specific embodiment
The present invention can be further described by the following examples, the scope of the present invention is not limited to following
Embodiment.
Embodiment 1: for processing the capping of certain rear axle:
It is shown that the rear axle covers trimming-flange compound die mould structure such as " Fig. 1 and Fig. 2 ": mold is divided into the top half of mold
With the lower half portion of mold.
The top half of mold includes: guide sleeve 1, cope plate 2, punch-die 3, die shank 4, discharge arm 5 and loading and unloading material block 6；
The lower half portion of mold includes flanging die 7, trim die 8, guide post 9, cavity plate backing plate 10, bottom knockout plate 11, punch-pin pad
Plate 12, lower template 13 and polyurethane 14, the guide sleeve 1 are mounted in the corresponding dowel hole in 2 two sides of cope plate by interference fit,
Punch-die 3 is fixed on 2 bottom of cope plate by bolt and pin, and 4 lower section of die shank is mounted in the fixation of cope plate 2 by interference fit
In hole, loading and unloading material block 6 is placed in intermediate cavity corresponding to punch-die 3 by clearance fit, and discharge arm 5 passes through in die shank 4
Heart hole is connect with loading and unloading material block 6.
The top half structural relation of mold is: the guide sleeve 1 is corresponding mounted in 2 two sides of cope plate by interference fit
In dowel hole, punch-die 3 is fixed on 2 bottom of cope plate by pin and bolt, and 4 lower section of die shank is mounted in upper mold by interference fit
In the fixation hole of plate 2, loading and unloading material block 6 is placed in intermediate cavity corresponding to punch-die 3 by clearance fit, and discharge arm 5 passes through
The centre bore of die shank 4 is connect with loading and unloading material block 6, and entire discharge component can be flexibly connected in the upper half parting chamber of mold.
The lower half portion structural relation of mold is: guide post 9 is mounted in the fixation hole of 13 two sides of lower template by interference fit,
Trim die 8 and cavity plate backing plate 10 are fixed in lower template 13 by bolt and pin, and flanging die 7, convex mould pad 12 pass through
Bolt is connect by sequence up and down with lower template 13；Bottom knockout plate 11 is by clearance fit mounted in trim die 8 and convex mould pad 12
Composed fixed shape is intracavitary, and is connected to 13 bottom of lower template by stripper bolt and polyurethane 14.
The rear axle covers trimming-flanging composite die and is mounted on 100T press machine by the mounting means of common stamping mold
On.
Trimming-flange that the capping of such rear axle can be directly used in composite die after blanking, blanking, forming process is compound
Processing:
Step 1: a kind of rear axle capping trimming-flanging composite die is mounted on 100T press machine；
Step 2: the prefabricated workpiece after blanking, forming process is placed on flanging die 7, and is set in corresponding positioning shape chamber
Position；
Step 3: starting press machine, and cope plate 2 is run down with lathe upper table, compression of the bottom knockout plate 11 in polyurethane 14
With the first workpiece pressing of punch-die 3 under reaction force, and then punch-die 3 is moved downward, and the trimming of workpiece is completed with trim die 8
Process, upper mold are continued traveling downwardly with lathe, until product is compacted by punch-die 3 with flanging die 7, complete the overturning process of workpiece；
Step 4: after workpiece trimming, flange processing, the top half return of press machine top shoe driven mold, bottom knockout plate 11 exists
The elastic force effect of polyurethane 14 is lower to jack up workpiece, and the coupled discharge arm 5 of loading and unloading material block 6 is also with sliding block uplink, until unloading
Material 5 top of bar is touched with lathe cross bar, and the workpiece for being sticked to upper mold is got from 3 inner cavity of punch-die, then is taken out with auxiliary tool
Workpiece and trimming waste material；
Step 5: the operation of from Step 2 to Step 4 is repeated, the production of lower workpiece is carried out.
After rear axle capping is using trimming-flanging composite die and combination process, relative dimensions are in the margin of tolerance, respectively
It is uniform to locate flange height, it is sustainable stable to ensure that rear axle capping reaches product drawing design requirement.The product is by traditional
Two procedures group is combined into one of process, and production efficiency improves 87%, and quality is more stable.
The composite die is by using reasonable topology layout, in addition punch-die, related backing plate and device for discharging, liftout
The innovative design of device is combined into one of process by traditional two procedures group, and production efficiency improves 87%, and quality is more stable.
The present invention passes through the frame mode disposably positioned, and combines mold composite principle, by trimming and overturning process group
It closes, eliminates the inevitable position error of multi-process, improve Product Precision and production efficiency；Mold is convex using " X " type
Die-cushion plate and bottom knockout plate ensure that product fastens not play in pressing process, and binder and discharging are smooth；Mold passes through loading and unloading material
The mode of block pusher carries out discharging, and pusher position and product shape are coincide, and while improving production efficiency, ensure that product
Appearance.
Claims (7)
1. a kind of rear axle covers trimming-flanging composite die, which is divided into the top half of mold and the lower half portion of mold,
The top half of mold includes: guide sleeve (1), cope plate (2), punch-die (3), die shank (4), discharge arm (5) and loading and unloading material block
(6)；
The lower half portion of mold includes flanging die (7), trim die (8), guide post (9), cavity plate backing plate (10), bottom knockout plate
(11), convex mould pad (12), lower template (13) and polyurethane (14), which is characterized in that the guide sleeve (1) passes through interference fit
In the corresponding dowel hole in cope plate (2) two sides, punch-die (3) is fixed on cope plate (2) bottom, mould by bolt and pin
For handle (4) lower section through interference fit in the fixation hole of cope plate (2), loading and unloading material block (6) is placed in convex-concave by clearance fit
In intermediate cavity corresponding to mould (3), the centre bore that discharge arm (5) passes through die shank (4) is connect with loading and unloading material block (6)；
Guide post (9) is mounted in the fixation hole of lower template (13) two sides by interference fit, trim die (8) and cavity plate backing plate (10)
Be fixed on lower template (13) by bolt and pin, flanging die (7), convex mould pad (12) by bolt by up and down sequence with
Lower template (13) connection；Bottom knockout plate (11) is composed mounted in trim die (8) and convex mould pad (12) by clearance fit
Fixed shape is intracavitary, and is connected to lower template (13) bottom by stripper bolt and polyurethane (14).
2. a kind of rear axle according to claim 1 covers trimming-flanging composite die, which is characterized in that the loading and unloading material
Block (6) shape and punch-die (3) type cavity gap cooperate, double-faced clearance 0.4-0.6mm, top and discharge arm (5) bottom silk
Line connection, forms movable loading and unloading material component.
3. a kind of rear axle according to claim 1 covers trimming-flanging composite die, which is characterized in that punch-die (3) is outside
All shapes and trim die (8) clearance fit are sharp trimming cutting edge, double-faced clearance 0.08mm；Its various places inside is circle
Angle, shape and flanging die (7) clearance fit, unilateral gap 0.8mm, as flange cavity plate.
4. a kind of rear axle according to claim 1 covers trimming-flanging composite die, which is characterized in that flanging die (7)
And trim die (8) is respectively arranged below with convex mould pad (12) and cavity plate backing plate (10).
5. a kind of rear axle covers trimming-flanging composite die according to claim 1 or described in any one of 4, which is characterized in that
Convex mould pad (12) is "X" shape.
6. a kind of rear axle according to claim 5 covers trimming-flanging composite die, which is characterized in that bottom knockout plate
(11) in square tube shape and inner cavity hollow out be sky shape in " X " to match with the convex mould pad (12), and and convex mould pad
(12) shape clearance fit, double-faced clearance 0.4mm；
A kind of rear axle according to claim 5 covers trimming-flanging composite die, which is characterized in that bottom knockout plate (11)
Barrel shape and trim die (8) clearance fit, double-faced clearance 0.4mm.
7. one kind rear axle is covered based on a kind of rear axle capping trimming-flanging composite die described in claim 1 carry out trimming,
The technique of flange, which comprises the steps of:
Step 1: a kind of rear axle capping trimming-flanging composite die is mounted on 100T press machine；
Step 2: the prefabricated workpiece after blanking, forming process is placed on flanging die (7), and fixed in corresponding positioning shape chamber
Good position；
Step 3: starting press machine, and cope plate (2) is run down with lathe upper table, and bottom knockout plate (11) is in polyurethane (14)
Compression reaction force under with the first workpiece pressing of punch-die (3), and then punch-die (3) moves downward, complete with trim die (8)
At the trimming process of workpiece, upper mold is continued traveling downwardly with lathe, until product is compacted by punch-die (3) with flanging die (7), is completed
The overturning process of workpiece；
Step 4: after workpiece trimming, flange processing, the top half return of press machine top shoe driven mold, bottom knockout plate (11)
Workpiece is jacked up under the elastic force effect of polyurethane (14), the coupled discharge arm (5) of loading and unloading material block (6) is also on sliding block
Row is got the workpiece for being sticked to upper mold, then use until discharge arm (5) top is touched with lathe cross bar from punch-die (3) inner cavity
Auxiliary tool takes out workpiece and trimming waste material；
Step 5: the operation of from Step 2 to Step 4 is repeated, the production of lower workpiece is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088395.XA CN109201879A (en) | 2018-09-17 | 2018-09-17 | A kind of rear axle capping trimming-flanging composite die and combination process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088395.XA CN109201879A (en) | 2018-09-17 | 2018-09-17 | A kind of rear axle capping trimming-flanging composite die and combination process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109201879A true CN109201879A (en) | 2019-01-15 |
Family
ID=64983954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088395.XA Pending CN109201879A (en) | 2018-09-17 | 2018-09-17 | A kind of rear axle capping trimming-flanging composite die and combination process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109201879A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773613A (en) * | 2019-12-17 | 2020-02-11 | 凯龙高科技股份有限公司 | Taper pipe flanging forming die |
| CN112705622A (en) * | 2020-12-04 | 2021-04-27 | 无锡曙光模具有限公司 | Machining die and machining method for automobile partition plate |
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| CN206882565U (en) * | 2017-06-09 | 2018-01-16 | 江西江铃底盘股份有限公司 | A kind of composite die of automobile drive axle housing lid edge-cutting and hole-punching |
| CN207271944U (en) * | 2017-09-18 | 2018-04-27 | 江苏振世达汽车模具有限公司 | A kind of window frame reinforcing plate deburring flange assembling die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773613A (en) * | 2019-12-17 | 2020-02-11 | 凯龙高科技股份有限公司 | Taper pipe flanging forming die |
| CN112705622A (en) * | 2020-12-04 | 2021-04-27 | 无锡曙光模具有限公司 | Machining die and machining method for automobile partition plate |
| CN112705622B (en) * | 2020-12-04 | 2022-09-23 | 无锡曙光模具有限公司 | Machining die and machining method for automobile partition plate |
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Application publication date: 20190115 |