CN109127835A - Blank, partition and its manufacturing method of partition - Google Patents
Blank, partition and its manufacturing method of partition Download PDFInfo
- Publication number
- CN109127835A CN109127835A CN201710465138.2A CN201710465138A CN109127835A CN 109127835 A CN109127835 A CN 109127835A CN 201710465138 A CN201710465138 A CN 201710465138A CN 109127835 A CN109127835 A CN 109127835A
- Authority
- CN
- China
- Prior art keywords
- segmental arc
- straight line
- line section
- straightway
- partition
- 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.)
- Withdrawn
Links
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of blank of partition, it is substantially in octagonal appearance profile that the blank, which has, wherein the appearance profile includes the first segmental arc, first straight line section, the second segmental arc, second straight line section, third segmental arc, third straightway, the 4th segmental arc and the 4th straightway, wherein the first straight line section is oppositely arranged with the third straightway, the second straight line section is oppositely arranged with the 4th straightway, and the first straight line section, second straight line section, third straightway and the 4th straightway are located on a square four edges；First segmental arc, the second segmental arc, third segmental arc and the 4th segmental arc are located on a circle.It feeds intake utilization rate so set, flitch can be effectively increased, reduces blank blanking and cut dosage, reduce molding rear bulkhead weight, and then reduce separator, reduce manufacturing cost.The invention further relates to a kind of partition and its manufacturing methods.
Description
Technical field
The present invention relates to a kind of blank of partition, partition and its manufacturing methods, belong to the technical field of silencer.
Background technique
It please join shown in Fig. 1 to Fig. 3, the manufacturing method of partition in the prior art generally includes following steps: firstly, in plate
It is cut on material, stamps out several circular blanks；Secondly, being punched out to blank；Finally, most blank carries out flange, obtain
To partition as shown in Figure 3.
The flange of the partition is contour.The flange height size of partition determines its contact surface with suppressor case
Product, and it is ensured that there is certain contact force between the flange and suppressor case of partition.Contact area and contact force referred to herein as " connect
Touch intensity ", and then guarantee that there is enough frictional force, there is opposite sliding so that the two under high temperature and high pressure condition can be resisted.
However, since the flange of partition is not that each position has contact strength requirement, so being not every on partition
The flange height of a position will ensure contour.Traditional partition blank blanking requirement is caused to meet partition requirement in this way
Under the premise of, it is easy to appear design excessively, causes partition blank blanking amount to increase, increase manufacturing cost, and after punch forming
Separator there are loss of weight spaces.
Summary of the invention
Cost is relatively low, the blank of the partition of lighter in weight, partition and its manufacturer the purpose of the present invention is to provide a kind of
Method.
To achieve the above object, the present invention adopts the following technical scheme: a kind of blank of partition, the blank have substantially
In octagonal appearance profile, wherein the appearance profile include the first segmental arc, connect with first segmental arc it is first straight
Line segment, the second segmental arc being connect with the first straight line section, the second straight line section being connect with second segmental arc, with it is described
The third segmental arc of second straight line section connection, the third straightway being connect with the third segmental arc and the third straightway
4th segmental arc of connection and the 4th straightway of connection first segmental arc and the 4th segmental arc, wherein described
First straight line section is oppositely arranged with the third straightway, and the second straight line section is oppositely arranged with the 4th straightway, institute
First straight line section, second straight line section, third straightway and the 4th straightway are stated on a square four edges；Described
One segmental arc, the second segmental arc, third segmental arc and the 4th segmental arc are located on a circle.
The invention further relates to a kind of partitions comprising partition board portion and the turn-up portion from the partition board portion outward flanging, institute
Partition board portion is stated with circular profile, the outer edge contour of the turn-up portion includes that the first segmental arc and first segmental arc connect
The first straight line section that connects, the second segmental arc being connect with the first straight line section, connect with second segmental arc it is second straight
Line segment, the third segmental arc being connect with the second straight line section, the third straightway being connect with the third segmental arc, with it is described
4th segmental arc of third straightway connection and the 4th straight line of connection first segmental arc and the 4th segmental arc
Section, wherein the first straight line section is oppositely arranged with the third straightway, the second straight line section and the 4th straightway
It is oppositely arranged, the turn-up portion is not contour.
Technical solution as a further improvement of that present invention, have first straight line section, second straight line section, third straightway with
The flange height of the turn-up portion of 4th straightway, which is less than, has the first segmental arc, the second segmental arc, third segmental arc and the 4th arc
The flange height of the turn-up portion of shape section.
Technical solution as a further improvement of that present invention, the partition board portion are equipped with centrally located centre bore and surround
Several perforation in the periphery of the centre bore.
The invention further relates to a kind of manufacturing methods of partition, are based on blank above-mentioned, and the manufacturing method includes as follows
Step:
Using mold to the blank carry out punching press, the center of the blank formed circular partition board portion and perpendicular to
The turn-up portion of the partition board portion.
Technical solution as a further improvement of that present invention, have first straight line section, second straight line section, third straightway with
The flange height of the turn-up portion of 4th straightway, which is less than, has the first segmental arc, the second segmental arc, third segmental arc and the 4th arc
The flange height of the turn-up portion of shape section.
Compared to the prior art, the cutting shape that segmental arc of the present invention is connected with straightway can effectively increase flitch and feed intake
Utilization rate reduces blank blanking and cuts dosage, reduces molding rear bulkhead weight, and then reduce separator, reduces manufacturing cost.
Detailed description of the invention
Fig. 1 is the schematic diagram after plate cutting in the prior art.
Fig. 2 is the partial enlarged view of setting-out part in Fig. 1.
Fig. 3 is the perspective view of the partition after blank molding according to fig. 2.
Fig. 4 is the schematic diagram after cutting according to the present invention.
Fig. 5 is the schematic diagram of the blank of partition in Fig. 4.
Fig. 6 is the perspective view according to the partition after the molding of the blank of Fig. 5.
Fig. 7 is the diagrammatic cross-section of Fig. 6.
Specific embodiment
It please join shown in Fig. 4 to Fig. 7, present invention discloses a kind of blank 100 of partition, have substantially in octagonal outer
Shape profile, wherein the appearance profile include the first segmental arc 11, the first straight line section 21 being connect with first segmental arc 11, with
Second segmental arc 12 of the connection of first straight line section 21, the second straight line section 22 being connect with second segmental arc 12 and institute
State second straight line section 22 connection third segmental arc 13, connect with the third segmental arc 13 third straightway 23, with it is described
The of the 4th segmental arc 14 and connection first segmental arc 11 that third straightway 23 connects and the 4th segmental arc 14
Four straightways 24, wherein the first straight line section 11 is oppositely arranged with the third straightway 13, the second straight line section 12 with
4th straightway 14 is oppositely arranged, the first straight line section 11, second straight line section 12, third straightway 13 and the 4th straight line
Section 14 is on the four edges of a square A；First segmental arc 21, the second segmental arc 22, third segmental arc 23 and
Four segmental arcs 24 are located on a round B.
Based on above-mentioned blank 100, the manufacturing method that the present invention manufactures partition 200 includes the following steps:
Using mold to the blank 100 carry out punching press, the center of the blank formed circular partition board portion 25 and
Perpendicular to the turn-up portion 26 of the partition board portion 25.
It please join shown in Fig. 6 and Fig. 7, the partition board portion 25 has circular profile.The turn-up portion 26 is not contour.Specifically
Ground, the flange with first straight line section 11, second straight line section 12, the turn-up portion 26 of third straightway 13 and the 4th straightway 14 are high
It spends C1 and is less than the turn-up portion 26 with the first segmental arc 21, the second segmental arc 22, third segmental arc 23 and the 4th segmental arc 24
Flange height C2.
In illustrative embodiments of the present invention, the partition board portion 25 is equipped with centrally located centre bore 251 and surround
Several perforation 252 in the periphery of the centre bore 251.
Compared to the prior art, the cutting shape that segmental arc of the present invention is connected with straightway can effectively increase flitch and feed intake
Utilization rate reduces blank blanking and cuts dosage, reduces molding rear bulkhead weight, and then reduce separator, reduces manufacturing cost.
In addition, above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this
The understanding of specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments pair
Present invention has been detailed description, still, those skilled in the art should understand that, the technology of technical field
Personnel still can modify or equivalently replace the present invention, and all do not depart from the technology of the spirit and scope of the present invention
Scheme and its improvement should all be covered in scope of the presently claimed invention.
Claims (6)
1. a kind of blank of partition, which is characterized in that it is substantially in octagonal appearance profile that the blank, which has, wherein the shape
Profile include the first segmental arc, the first straight line section being connect with first segmental arc, connect with the first straight line section
Two segmental arcs, the second straight line section being connect with second segmental arc, the third segmental arc being connect with the second straight line section, with
Described in the third straightway of the third segmental arc connection, the 4th segmental arc being connect with the third straightway and connection
4th straightway of the first segmental arc and the 4th segmental arc, wherein the first straight line section is opposite with the third straightway
Setting, the second straight line section are oppositely arranged with the 4th straightway, and the first straight line section, second straight line section, third are straight
Line segment and the 4th straightway are located on a square four edges；First segmental arc, the second segmental arc, third segmental arc
It is located on a circle with the 4th segmental arc.
2. a kind of partition comprising partition board portion and the turn-up portion from the partition board portion outward flanging, the partition board portion have circle
The profile of shape, which is characterized in that the outer edge contour of the turn-up portion includes the first segmental arc, connect with first segmental arc
First straight line section, the second segmental arc being connect with the first straight line section, the second straight line section being connect with second segmental arc,
The third segmental arc that is connect with the second straight line section, the third straightway being connect with the third segmental arc, with the third
4th segmental arc of straightway connection and the 4th straightway of connection first segmental arc and the 4th segmental arc,
Described in first straight line section be oppositely arranged with the third straightway, the second straight line section is opposite with the 4th straightway to be set
It sets, the turn-up portion is not contour.
3. partition as claimed in claim 2, it is characterised in that: have first straight line section, second straight line section, third straightway with
The flange height of the turn-up portion of 4th straightway, which is less than, has the first segmental arc, the second segmental arc, third segmental arc and the 4th arc
The flange height of the turn-up portion of shape section.
4. partition as claimed in claim 3, it is characterised in that: the partition board portion is equipped with centrally located centre bore and surround
Several perforation in the periphery of the centre bore.
5. a kind of manufacturing method of partition, is based on blank described in claim 1, the manufacturing method includes the following steps:
Punching press is carried out to the blank using mold, forms circular partition board portion in the center of the blank and perpendicular to described
The turn-up portion of partition board portion.
6. manufacturing method as claimed in claim 5, it is characterised in that: have first straight line section, second straight line section, third straight line
The flange height of the turn-up portion of tetra- straightway of Duan Yu is less than with the first segmental arc, the second segmental arc, third segmental arc and the
The flange height of the turn-up portion of four segmental arcs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465138.2A CN109127835A (en) | 2017-06-19 | 2017-06-19 | Blank, partition and its manufacturing method of partition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465138.2A CN109127835A (en) | 2017-06-19 | 2017-06-19 | Blank, partition and its manufacturing method of partition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109127835A true CN109127835A (en) | 2019-01-04 |
Family
ID=64804284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465138.2A Withdrawn CN109127835A (en) | 2017-06-19 | 2017-06-19 | Blank, partition and its manufacturing method of partition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109127835A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8722800D0 (en) * | 1986-09-29 | 1987-11-04 | Peycke T J H | Exhaust pipes |
| JP2005315168A (en) * | 2004-04-28 | 2005-11-10 | Toyota Motor Corp | Muffler separator |
| CN202081936U (en) * | 2011-04-29 | 2011-12-21 | 武汉佛吉亚通达排气系统有限公司 | Octagonal blank used for producing automotive muffler partition plate |
| DE102011106366A1 (en) * | 2011-06-10 | 2012-12-13 | Tenneco Gmbh | Exhaust gas silencer, has intermediate wall serving as retainer for inlet tube that is guided through housing wall and comprising semicylindrical formation, in which inlet tube is partially held or enclosed, and outlet tube led into chamber |
| CN203271883U (en) * | 2013-04-28 | 2013-11-06 | 广西工学院 | Silencer separating board and silencer |
| CN106311898A (en) * | 2015-07-08 | 2017-01-11 | 无锡鹏德汽车配件有限公司 | Bidirectional compound forming mold for partition plate of silencer |
| CN206854426U (en) * | 2017-06-19 | 2018-01-09 | 上海天纳克排气系统有限公司 | The blank and its dividing plate of dividing plate |
-
2017
- 2017-06-19 CN CN201710465138.2A patent/CN109127835A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8722800D0 (en) * | 1986-09-29 | 1987-11-04 | Peycke T J H | Exhaust pipes |
| JP2005315168A (en) * | 2004-04-28 | 2005-11-10 | Toyota Motor Corp | Muffler separator |
| CN202081936U (en) * | 2011-04-29 | 2011-12-21 | 武汉佛吉亚通达排气系统有限公司 | Octagonal blank used for producing automotive muffler partition plate |
| DE102011106366A1 (en) * | 2011-06-10 | 2012-12-13 | Tenneco Gmbh | Exhaust gas silencer, has intermediate wall serving as retainer for inlet tube that is guided through housing wall and comprising semicylindrical formation, in which inlet tube is partially held or enclosed, and outlet tube led into chamber |
| CN203271883U (en) * | 2013-04-28 | 2013-11-06 | 广西工学院 | Silencer separating board and silencer |
| CN106311898A (en) * | 2015-07-08 | 2017-01-11 | 无锡鹏德汽车配件有限公司 | Bidirectional compound forming mold for partition plate of silencer |
| CN206854426U (en) * | 2017-06-19 | 2018-01-09 | 上海天纳克排气系统有限公司 | The blank and its dividing plate of dividing plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |