CN109454139A - A kind of pipe fitting angled end-face trimming method and mold - Google Patents
A kind of pipe fitting angled end-face trimming method and mold Download PDFInfo
- Publication number
- CN109454139A CN109454139A CN201811569484.6A CN201811569484A CN109454139A CN 109454139 A CN109454139 A CN 109454139A CN 201811569484 A CN201811569484 A CN 201811569484A CN 109454139 A CN109454139 A CN 109454139A
- Authority
- CN
- China
- Prior art keywords
- positive
- trimming
- inclined wedge
- deburring
- upper die
- 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.)
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The present invention discloses a kind of pipe fitting angled end-face trimming method and mold;1, on inclined wedge Trimming Die, divide pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch;2, on positive Trimming Die, trailing arm pipe beveled ends residue segmental arc is cut off.Inclined wedge deburring cutter block is linked with Cam device fastening;Cam device is slidably matched with inclined wedge deburring lower die holder;When work, pipe fitting to be processed is placed in inclined wedge deburring drag chamber, and inclined wedge trimming upper die seat moves downward band moving fork knife module and pushes Cam device, divides pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch;When work, process part processing is placed on positive deburring drag chamber, and positive trimming upper die pressing plate driving structure pushes down pipe fitting to be processed, and positive trimming upper die deburring cutter block cuts remaining waste material.Production efficiency is improved significantly, and productive temp is no more than 10s;While reducing the difficulty of processing of famous actor's trailing arm, product cost is also reduced, also has many advantages, such as to be simple to manufacture, plant maintenance is convenient.
Description
Technical field
The invention belongs to technical field of mechanical processing, it is related to a kind of pipe fitting angled end-face trimming method and mold;It is particularly suitable
In the refine side of the trailing arm pipe product end chamfer on automobile chassis.
Background technique
Currently, in automobile chassis suspension the forming technique of trailing arm pipe product be broadly divided into cold stamping and interior high pressure at
Type reuses special purpose machine tool processing, laser cutting and cold punching die deburring and realizes that product boundary requires after shape of product molding;
Trailing arm pipe based on angled end-face, the mode that current each automobile component manufacturer uses special purpose machine tool to process and be cut by laser are real
The product boundary of existing trailing arm pipe angled end-face requires.
Traditional machine tool mainly passes through cutter and trailing arm tube end and processes trailing arm tube end J1 at fixed angle, but due to knife
Tool abrasion, the reasons such as deviations frequently can lead to the problems such as poor product quality, yield rate are low, end burr is big, and traditional machine
The process time of bed processing technology is very long, even if the process time of single product is also required to 90s using the machining tool of profession
More than.
Laser cutting technique, which is utilized, is fixed on three-D displacement platform for high power solid state laser, passes through high-power laser beam
Realize the processing to trailing arm pipe product boundary, although can increase on process time, the process time of single product is
60s, but equipment price is expensive, and higher to laser-cut peripheral edges environmental requirement, post laser device plant maintenance puts into very big, product
Single-piece work is at high cost.
The long processing time of the above-mentioned single product of both processing technologies is not able to satisfy trailing arm pipe product and efficiently produces
Requirement.
Summary of the invention
The invention discloses a kind of pipe fitting angled end-face trimming method and mold, with solve single product in the prior art plus
Long between working hour, the problems such as equipment price is expensive, plant maintenance investment is big, product cost is high.
Pipe fitting angled end-face trimming method of the present invention includes:
The first step divides pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch on inclined wedge Trimming Die;
Second step cuts off trailing arm pipe beveled ends residue segmental arc on positive Trimming Die.
The pipe fitting angled end-face trimming method first step of the present invention cuts off trailing arm pipe angled end-face part segmental arc width 3mm waste material,
Form notch.
Pipe fitting angled end-face Trimming Die of the present invention includes inclined wedge Trimming Die and positive Trimming Die, and inclined wedge Trimming Die includes
Upper die and lower die, Cam device, inclined wedge deburring cutter block;Cam device includes fork knife module, inclined wedge drive block;Inclined wedge deburring cutter block
It is linked with the fastening of inclined wedge drive block;Fork knife module is fastenedly connected in inclined wedge trimming upper die seat;Inclined wedge deburring lower die holder has sliding rail, tiltedly
Wedge drive block bottom has sliding slot, and the two is slidably matched;Fork knife module is fastenedly connected inclined wedge trimming upper die seat;It is to be added when work
Work pipe fitting is placed in inclined wedge deburring drag chamber, and inclined wedge trimming upper die seat moves downward, and fork knife module pushes inclined wedge drive block, tiltedly
Wedge deburring cutter block divides pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch;Positive Trimming Die includes lower die, upper mold;Lower die packet
Include positive deburring lower die holder, positive deburring lower die cutter block;Positive deburring lower die cutter block is fastenedly connected positive deburring lower die holder;Upper mold includes just repairing
Side upper molded plate driving structure, positive trimming upper die cutter block;Positive trimming upper die pressing plate driving structure and positive trimming upper die cutter block are adjacent
It is arranged in pipe fitting notch to be processed two sides;Positive trimming upper die pressing plate driving structure and the fastening of positive trimming upper die cutter block are connected in and just repair
On the upper die holder of side;When work, positive trimming upper die cutter block cuts pipe fitting residue waste material to be processed.
The scheme of optimization is: the positive trimming upper die cutter block of the present invention includes a clamp part and a cutting edge part;Cutting edge
Symmetrical curve centered on part machined surface profile, by arc section of the center of circle outside entity with a center of circle real intracorporal
The tangent continuous lines of arc section;The center of circle is symmetrically formed the end of special-shaped deburring cutter block in real intracorporal arc section;Real intracorporal circle
The tangent line angle theta value of segmental arc is 70 ° -90 °;Deburring cutter block thickness 20-35mm;90 ° -120 ° of maximum deburring angle;Cutting edge radius
For the thick 0.1-0.2 of material.
The end height H1 of the positive trimming upper die cutter block of the present invention is 15-25mm;Width D is 40-60mm;Cutting edge part type face
Arc section radius R1 value of the center of circle outside entity is 70-100mm;The cutting edge part type face center of circle is in real intracorporal arc section radius R2
Value is 20-35mm.
The positive trimming upper die cutter block clamp part height H2 of the present invention is 20-40mm;
Positive trimming upper die cutter block cuts off pipe fitting beveled ends residue segmental arc to be processed.
Further prioritization scheme of the present invention, inclined wedge Trimming Die upper mold includes inclined wedge trimming upper die seat, inclined wedge trimming upper die
Locating piece;Inclined wedge trimming upper die locating piece has inclined wedge trimming upper die type chamber, positions for pipe fitting to be processed;Lower die includes inclined wedge
Deburring lower die holder, inclined wedge deburring lower die locating piece;Inclined wedge deburring lower die locating piece has inclined wedge deburring drag chamber, for be added
The positioning of work pipe fitting.
Further prioritization scheme of the present invention, positive deburring lower die cutter block have positive deburring drag chamber;Upper mold includes positive deburring
Upper die holder, positive trimming upper die pressing plate driving structure, positive trimming upper die cutter block;Positive trimming upper die pressing plate driving structure has positive deburring
Upper mold locating mould cavity;When work, pipe fitting to be processed is placed on positive deburring drag chamber, positive trimming upper die pressing plate driving structure pressure
Firmly pipe fitting to be processed.
The positive effect of the present invention is: production efficiency is improved significantly, and productive temp is no more than 10s;Reduce name
While the difficulty of processing of angle trailing arm, product cost is also reduced, also has many advantages, such as to be simple to manufacture, plant maintenance is convenient.
Detailed description of the invention
Fig. 1 is workpiece trailing arm pipe to be added;
Fig. 2 is the trailing arm pipe that inclined wedge deburring is completed;
Fig. 3 is inclined wedge trimming upper die structure schematic diagram of the present invention;
Fig. 4 is inclined wedge deburring lower die structure schematic diagram of the present invention;
Fig. 5 is the positive trimming upper die structure schematic diagram of the present invention;
Fig. 6 is the positive trimming upper die structure schematic diagram of the present invention;
The positive trimming upper die cutter block structural schematic diagram of Fig. 7;
In figure: under 11 inclined wedge trimming upper die seats, 12 inclined wedge trimming upper die locating pieces, 21 inclined wedge deburring lower die holders, 22 inclined wedge deburrings
Mould locating piece, 31 fork knife modules, 32 inclined wedge drive blocks, 41 inclined wedge deburring cutter blocks, 51 positive deburring lower die holders, 52 positive deburring lower die cutters
Block, 61 positive trimming upper die seats, 62 positive trimming upper die pressing plate driving structures, 63 positive trimming upper die cutter blocks, 12a inclined wedge trimming upper die type
Chamber, 22a inclined wedge deburring drag chamber, the positive deburring drag chamber of 52a, the positive trimming upper die locating mould cavity of 62a, H1 end height, width
Spend D, R1 arc section radius, R2 arc section radius, H2 clamp part height, J1 trailing arm tube end.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
Below in conjunction with attached drawing one embodiment that the present invention will be described in detail.
The embodiment of the present invention is as shown in Figure 1, be to trailing arm tube end J1 angled end-face deburring;Method includes:
The first step, as shown in Figure 2;On inclined wedge Trimming Die, trailing arm pipe angled end-face waste material is cut out into segmental arc width 3mm notch.
Second step cuts off trailing arm pipe beveled ends residue segmental arc on positive Trimming Die.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6: trailing arm pipe angled end-face trimming method mould therefor of the embodiment of the present invention includes oblique
Wedge Trimming Die and positive Trimming Die.
As shown in Figure 3, Figure 4: inclined wedge Trimming Die includes upper die and lower die, Cam device, inclined wedge deburring cutter block 41;Upper mold
Including inclined wedge trimming upper die seat 11, inclined wedge trimming upper die locating piece 12;Lower die includes under inclined wedge deburring lower die holder 21, inclined wedge deburring
Mould locating piece 22;Cam device includes fork knife module 31, inclined wedge drive block 32, and inclined wedge trimming upper die locating piece 12 is repaired with inclined wedge
Model cavity 12a on side is positioned for process part processing;Inclined wedge deburring lower die locating piece 22 has inclined wedge deburring drag chamber 22a, is used for
Process part processing positioning;Fork knife module 31 is fastenedly connected in inclined wedge trimming upper die seat 11;Inclined wedge deburring lower die holder 21 has sliding rail, and inclined wedge drives
32 bottom of motion block has sliding slot, and the two is slidably matched;Inclined wedge deburring cutter block 41 is fastenedly connected with inclined wedge drive block;Pitch knife module 31
It is fastenedly connected inclined wedge trimming upper die seat 11;When work, trailing arm pipe to be processed is placed in inclined wedge deburring drag chamber 22a, inclined wedge
Trimming upper die seat 11 moves downward band moving fork knife module 31 and pushes Cam device, and inclined wedge deburring cutter block 41 is by trailing arm pipe to be processed
End cuts out segmental arc width 3mm notch.
As shown in Figure 5, Figure 6: positive Trimming Die includes lower die, upper mold: lower die includes under positive deburring lower die holder 51, positive deburring
Mould cutter block 52;Positive deburring lower die cutter block 52 has positive deburring drag chamber 52a;Positive deburring lower die cutter block 52 is fastenedly connected positive deburring
Lower die holder 51;Upper mold includes positive trimming upper die seat 61, positive trimming upper die pressing plate driving structure 62, positive trimming upper die cutter block 63;Just
Trimming upper die pressing plate driving structure 62 has positive trimming upper die locating mould cavity 62a;Positive trimming upper die pressing plate driving structure 62 and just
Trimming upper die cutter block 63 is arranged adjacent each other at process part processing notch to be processed two sides;Positive trimming upper die pressing plate driving structure 62 and positive deburring
The fastening of upper mold cutter block 63 is connected in 61 on positive trimming upper die seat;When work, process part processing is placed in 52a on positive deburring drag chamber,
Positive trimming upper die pressing plate driving structure 62 pushes down process part processing, and positive trimming upper die cutter block 63 cuts remaining waste material.
As shown in Figure 7: positive trimming upper die cutter block 63 includes a clamp part and a cutting edge part;Cutting edge part type face
Symmetrical curve centered on profile, by arc section of the center of circle outside entity with a center of circle in real intracorporal arc section phase
The continuous lines cut;The center of circle is symmetrically formed the end of special-shaped deburring cutter block in real intracorporal arc section;Real intracorporal arc section is cut
Line angle theta value is 80 °;Deburring cutter block thickness 25mm;113 ° of maximum deburring angle;Cutting edge radius is thick 0.15 of material.Positive deburring
The end height H1 of upper mold cutter block 63 is 20mm;Width D is 50mm;Arc section radius of the cutting edge part type face center of circle outside entity
R1 value is 90mm;The cutting edge part type face center of circle is 25mm in real intracorporal arc section radius R2 value.Positive trimming upper die cutter block 63 is pressed from both sides
Holding part height H2 is 25mm.
Above-described embodiment is merely exemplary to illustrate the principle of the present invention and its effect, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, all those of ordinary skill in the art are completed without departing from the spirit and technical ideas disclosed in the present invention
All equivalent modifications or change, should be covered by the claims of the present invention.
Claims (6)
1. a kind of pipe fitting angled end-face trimming method;It is characterized by comprising:
The first step divides pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch on inclined wedge Trimming Die;
Second step cuts off trailing arm pipe beveled ends residue segmental arc on positive Trimming Die.
2. a kind of pipe fitting angled end-face trimming method according to claim 1;It is characterized by: the first step, oblique by trailing arm pipe
The excision of end face part segmental arc width 3mm waste material, forms notch.
3. realizing the Trimming Die of claim 1 the method, it is characterised in that: including inclined wedge Trimming Die and positive trimming die
Tool, inclined wedge Trimming Die includes upper die and lower die, Cam device, inclined wedge deburring cutter block;Cam device includes fork knife module, inclined wedge
Drive block;Inclined wedge deburring cutter block is linked with the fastening of inclined wedge drive block;Fork knife module is fastenedly connected in inclined wedge trimming upper die seat;Inclined wedge
Deburring lower die holder has sliding rail, and inclined wedge drive block bottom has sliding slot, and the two is slidably matched;Fork knife module is fastenedly connected inclined wedge deburring
Upper die holder;When work, pipe fitting to be processed is placed in inclined wedge deburring drag chamber, and inclined wedge trimming upper die seat moves downward, and pitches cutting die
Block pushes inclined wedge drive block, and inclined wedge deburring cutter block divides pipe fitting inclined-plane to be processed end face cut-out portion to segmental arc notch;Positive Trimming Die
Including lower die, upper mold;Lower die includes positive deburring lower die holder, positive deburring lower die cutter block;Positive deburring lower die cutter block, which is fastenedly connected, just repairs
Side lower die holder;Upper mold includes positive trimming upper die pressing plate driving structure, positive trimming upper die cutter block;Positive trimming upper die pressing plate driving structure
Pipe fitting notch to be processed two sides are arranged adjacent each other at positive trimming upper die cutter block;In positive trimming upper die pressing plate driving structure and positive deburring
The fastening of mould cutter block is connected on positive trimming upper die seat;When work, positive trimming upper die cutter block is remaining by pipe fitting beveled ends to be processed
Segmental arc cutting.
4. Trimming Die according to claim 3, it is characterised in that: positive trimming upper die cutter block include a clamp part and
One cutting edge part;Symmetrical curve centered on cutting edge part machined surface profile, by arc section of the center of circle outside entity with
One center of circle continuous lines tangent in real intracorporal arc section;The center of circle is symmetrically formed special-shaped deburring cutter block in real intracorporal arc section
End;The tangent line angle theta value of real intracorporal arc section is 70 ° -90 °;Deburring cutter block thickness 20-35mm;Maximum deburring angle
90°-120°;Cutting edge radius is the thick 0.1-0.2 of material;The end height H1 of positive trimming upper die cutter block is 15-25mm;Width D is
40-60mm;Arc section radius R1 value of the cutting edge part type face center of circle outside entity is 70-100mm;The cutting edge part type face center of circle exists
Real intracorporal arc section radius R2 value is 20-35mm;Positive trimming upper die cutter block clamp part height H2 is 20-40mm.
5. Trimming Die according to claim 3, it is characterised in that: inclined wedge Trimming Die upper mold includes inclined wedge trimming upper die
Seat, inclined wedge trimming upper die locating piece;Inclined wedge trimming upper die locating piece has inclined wedge trimming upper die type chamber, fixed for pipe fitting to be processed
Position;Lower die includes inclined wedge deburring lower die holder, inclined wedge deburring lower die locating piece;Inclined wedge deburring lower die locating piece has under inclined wedge deburring
Model cavity is positioned for pipe fitting to be processed.
6. Trimming Die according to claim 3, it is characterised in that: positive deburring lower die cutter block has positive deburring drag
Chamber;Upper mold includes positive trimming upper die seat, positive trimming upper die pressing plate driving structure, positive trimming upper die cutter block;Positive trimming upper die pressing plate
Driving structure has positive trimming upper die locating mould cavity;When work, process part processing is placed on positive deburring drag chamber, positive trimming upper die
Pressing plate driving structure pushes down pipe fitting to be processed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811569484.6A CN109454139A (en) | 2018-12-21 | 2018-12-21 | A kind of pipe fitting angled end-face trimming method and mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811569484.6A CN109454139A (en) | 2018-12-21 | 2018-12-21 | A kind of pipe fitting angled end-face trimming method and mold |
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CN109454139A true CN109454139A (en) | 2019-03-12 |
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CN201811569484.6A Pending CN109454139A (en) | 2018-12-21 | 2018-12-21 | A kind of pipe fitting angled end-face trimming method and mold |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1143547A (en) * | 1996-05-22 | 1997-02-26 | 南昌航空工业学院 | Punching technique of slotting and cutting-off for side wall of rectangular tubing |
JP2000312931A (en) * | 1999-04-28 | 2000-11-14 | Toyota Motor Corp | Pipe end part blanking processing |
CN202621683U (en) * | 2012-04-09 | 2012-12-26 | 成都吉露科技有限公司 | Tube port blanking die |
CN103128157A (en) * | 2013-01-31 | 2013-06-05 | 江汉大学 | Pipe end circular notch punching device |
CN105642735A (en) * | 2016-03-17 | 2016-06-08 | 无锡曙光模具有限公司 | Pre-cutting die for upper half shell and lower half shell of special-shaped pipe |
CN206065169U (en) * | 2016-08-24 | 2017-04-05 | 凌云工业股份有限公司 | A kind of mould for anti-collision pipe angled end-face incised notch mouth |
CN107159788A (en) * | 2017-07-19 | 2017-09-15 | 南通江华热动力机械有限公司 | A kind of special-shaped pipe end product inclined-plane die cutting composite die |
CN107570577A (en) * | 2017-09-15 | 2018-01-12 | 宁波大榭开发区天正模具有限公司 | A kind of blanking die for removing tubular product every skin |
-
2018
- 2018-12-21 CN CN201811569484.6A patent/CN109454139A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1143547A (en) * | 1996-05-22 | 1997-02-26 | 南昌航空工业学院 | Punching technique of slotting and cutting-off for side wall of rectangular tubing |
JP2000312931A (en) * | 1999-04-28 | 2000-11-14 | Toyota Motor Corp | Pipe end part blanking processing |
CN202621683U (en) * | 2012-04-09 | 2012-12-26 | 成都吉露科技有限公司 | Tube port blanking die |
CN103128157A (en) * | 2013-01-31 | 2013-06-05 | 江汉大学 | Pipe end circular notch punching device |
CN105642735A (en) * | 2016-03-17 | 2016-06-08 | 无锡曙光模具有限公司 | Pre-cutting die for upper half shell and lower half shell of special-shaped pipe |
CN206065169U (en) * | 2016-08-24 | 2017-04-05 | 凌云工业股份有限公司 | A kind of mould for anti-collision pipe angled end-face incised notch mouth |
CN107159788A (en) * | 2017-07-19 | 2017-09-15 | 南通江华热动力机械有限公司 | A kind of special-shaped pipe end product inclined-plane die cutting composite die |
CN107570577A (en) * | 2017-09-15 | 2018-01-12 | 宁波大榭开发区天正模具有限公司 | A kind of blanking die for removing tubular product every skin |
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