CN108500119A - A kind of narrow side shaft block ring stamping equipment - Google Patents
A kind of narrow side shaft block ring stamping equipment Download PDFInfo
- Publication number
- CN108500119A CN108500119A CN201810524040.4A CN201810524040A CN108500119A CN 108500119 A CN108500119 A CN 108500119A CN 201810524040 A CN201810524040 A CN 201810524040A CN 108500119 A CN108500119 A CN 108500119A
- Authority
- CN
- China
- Prior art keywords
- punching
- plank
- needle group
- red needle
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004080 punching Methods 0.000 claims abstract description 191
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000009434 installation Methods 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
- B21D28/265—Perforating, i.e. punching holes in sheets or flat parts with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet, e.g. holes punching with template
-
- 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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/18—Making other particular articles rings, e.g. barrel hoops of hollow or C-shaped cross-section, e.g. for curtains, for eyelets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of narrow side shaft block ring stamping equipments, including feed device and blanking units, blanking units include the first punching mechanism and the second punching mechanism, feed device enters for conveying plank sequence to be punched in the first punching mechanism and the second punching mechanism, first punching mechanism and the second punching mechanism are mounted on above the feeding passage of feed device, first punching mechanism is used for the punching on plank and forms baffle ring profile for being punched the mounting hole formed on baffle ring, the second punching mechanism on plank；Stamping equipment proposed by the present invention, it first passes through red needle group and is punched the second mounting hole of formation on plank, it is punched on plank by punching cutter again and forms baffle ring profile, after the completion of mounting hole punching, the position of baffle ring profile relatively easily positions and registration, therefore the hem width position of mounting hole will not rupture when two baffle ring profile of punching, improve the yields of baffle ring.
Description
Technical field
The present invention relates to stamping equipment technical field more particularly to a kind of narrow side shaft block ring stamping equipments.
Background technology
Baffle ring is a kind of fastener, is mounted on an axle, and other parts play is mounted on an axle for preventing.
As shown in FIG. 1, FIG. 1 is a kind of baffle ring commonly used in the prior art, baffle ring is the cast with opening, baffle ring both ends
It is respectively equipped with the first mounting hole (A) and the second mounting hole (B), baffle ring is punched on stamping equipment plank shown in Fig. 2
, it is punched into carrys out two baffle rings every time, with reference to Fig. 2 and Fig. 3, profile of two baffle rings being punched on plank is respectively
The characteristics of first baffle ring profile (C) and the second baffle ring profile (D), such baffle ring is the first mounting hole (A) and the second mounting hole (B)
Position hem width is relatively narrow, especially small dimension product, and conventional ones are easy to form the first mounting hole (A) and second of product when producing
The position mounting hole (B) ruptures, and so as to cause product rejection, yields is very low, it is common practice that carries out hem width and widens, by non-standard
It is produced, cannot thus reach the standard component requirement of client.
Invention content
To solve technical problem present in background technology, the present invention proposes a kind of narrow side shaft block ring stamping equipment.
A kind of narrow side shaft block ring stamping equipment proposed by the present invention, including feed device and blanking units, blanking units
Including the first punching mechanism and the second punching mechanism；
Feed device enters for conveying plank sequence to be punched in the first punching mechanism and the second punching mechanism；
First punching mechanism and the second punching mechanism are mounted on above the feeding passage of feed device, and the first punching mechanism is used
In being punched the mounting hole formed on baffle ring on plank, the second punching mechanism is used for the punching on plank and forms baffle ring profile.
Preferably, the first punching mechanism includes the first punching module, the first red needle group and the second red needle group, the first red needle group
It being mounted in the first punching module with the second red needle group, the first red needle group is used for the punching on plank and forms the first mounting hole, the
Two red needle groups are used for the punching on plank and form the second mounting hole；
Second punching mechanism is punched module including second, third is punched module, the first punching cutter and the second punching cutter, and second
The feed direction sequence that module and third punching module are punched along feed device is arranged, and the first punching cutter is mounted on the second blanking die
On block, the first punching cutter is used for the punching on plank and forms the first baffle ring profile, and the second punching cutter is mounted on third and is punched module
On, the second punching cutter is used for the punching on plank and forms the second baffle ring profile.
Preferably, the first red needle group and the second red needle group are removably mounted in the first punching module；
Blanking units further include third punching mechanism, and third punching mechanism includes the 4th punching module and third red needle group,
4th punching module is located between the second punching module and third punching module, and third red needle group is removably mounted on the 4th punching
It cuts in module, third red needle group is used for the punching on plank and forms the second mounting hole.
Preferably, including the first working condition and the second working condition, wherein：
Under first working condition, the first red needle group and the second red needle group respectively the punching on plank formed the first mounting hole and
Punching forms the first baffle ring profile and the second baffle ring wheel on plank respectively for second mounting hole, the first punching cutter and the second punching cutter
It is wide；
Under second working condition, the first red needle group and third red needle group respectively the punching on plank formed the first mounting hole and
Punching forms the first baffle ring profile and the second baffle ring wheel on plank respectively for second mounting hole, the first punching cutter and the second punching cutter
It is wide.
Preferably, the first punching module has the first installation site and the second installation site；
Under first working condition, the first punching module is mounted on the first installation site；
Under second working condition, the first punching module is mounted under the first installation site, and the first red needle group can be on plank
Punching forms the first mounting hole, and the first punching module is mounted under the second installation site, and the second red needle group can be punched on plank
Form the first mounting hole
Preferably, including multiple blanking units, multiple blanking units are arranged perpendicular to feed device feed direction.
In the present invention, the narrow side shaft block ring stamping equipment proposed has the advantages that：
1, it first passes through red needle group and is punched the first mounting hole of formation and the second mounting hole on plank, then by punching cutter in plate
Punching forms the first baffle ring profile and the second baffle ring profile on material, after the completion of the first mounting hole and the punching of the second mounting hole, the
The position of one baffle ring profile and the second baffle ring profile relatively easily positioning and registration, therefore be punched the first baffle ring profile and
The hem width position of the first mounting hole and the second mounting hole will not rupture when the second baffle ring profile, improve the yields of baffle ring；
2, stamping equipment is under the first working condition under normal operation, and third punching mechanism is as spare bicker
Structure for be punched the second mounting hole, when in blanking process when find the second red needle group positioning there is deviation when, can be by the second red needle
Group disassembles, and enables third punching mechanism, thus enters the second working condition, by the third red needle group in third punching mechanism
Punching forms the second mounting hole on plank, that is, avoids the baffle ring produced from having higher defect rate, and avoid producing
Red needle group is replaced in journey,
3, after stamping equipment works a period of time in a second operative state, the first red needle group generates abrasion, can incite somebody to action at this time
First punching module removes to be mounted under the second installation site again, is punched on plank instead of the first red needle group by the second red needle group
The first mounting hole is formed, effectively improves die life and the efficiency that repairs a die, is provided safeguard for production in time.
Description of the drawings
Fig. 1 is baffle ring in the prior art；
Fig. 2 is schematic diagram of the pressing sheet material after punching in the prior art；
Fig. 3 is the partial enlarged view of pressing sheet material；
Fig. 4 is a kind of vertical view of narrow side shaft block ring stamping equipment proposed by the present invention.
Specific implementation mode
As shown in Figs 1-4, Fig. 1 is baffle ring in the prior art, and Fig. 2 is pressing sheet material showing after punching in the prior art
It is intended to, Fig. 3 is the partial enlarged view of pressing sheet material, and Fig. 4 is a kind of bowing for narrow side shaft block ring stamping equipment proposed by the present invention
View.
As shown in FIG. 1, FIG. 1 is a kind of baffle ring commonly used in the prior art, baffle ring is the cast with opening, baffle ring both ends
It is respectively equipped with the first mounting hole A and the second mounting hole B, baffle ring is to be punched into come on stamping equipment plank shown in Fig. 2,
Each two baffle ring is one group, is punched into carrys out two baffle rings every time, and with reference to Fig. 2 and Fig. 3, two are punched into the baffle ring come on plank
Profile be respectively the first baffle ring profile C and the second baffle ring profile D, the characteristics of such baffle ring is the peaces of the first mounting hole A and second
It is relatively narrow to fill hole B location hem width, especially small dimension product, conventional ones be easy to be formed when producing the first mounting hole A of product and
Second mounting hole B location ruptures, and so as to cause product rejection, yields is very low, it is common practice that carries out hem width and widens, by nonstandard
Part is produced, and the standard component requirement of client cannot be thus reached；The stamping equipment that the present embodiment proposes is connected using multistation
Continuous production, is first punched into the mounting hole of baffle ring, as follows in the specific design method for carrying out baffle ring profile punching stamping equipment.
With reference to Fig. 4, a kind of narrow side shaft block ring stamping equipment proposed by the present invention, including feed device 1 and blanking units,
Blanking units include the first punching mechanism and the second punching mechanism；
Feed device 1 enters for conveying plank sequence to be punched in the first punching mechanism and the second punching mechanism；
First punching mechanism and the second punching mechanism are mounted on above the feeding passage of feed device 1, the first punching mechanism
For being punched the first mounting hole A and the second mounting hole B that are formed on baffle ring on plank, the second punching mechanism is used in plank
Punching forms the first baffle ring profile C and the second baffle ring profile D.
Stamping equipment in the present embodiment, first pass through the first punching mechanism be punched on plank formed the first mounting hole A and
Second mounting hole B, then be punched on plank by the second punching mechanism and form the first baffle ring profile C and the second baffle ring profile D, first
The advantages of the first mounting hole A and the second mounting hole B is punched the first baffle ring profile C and the second baffle ring profile D again is punched to be when the
After one mounting hole A and the second mounting hole B is punched, the position of the first baffle ring profile C and the second baffle ring profile D are relatively easily fixed
Position and registration, therefore the first mounting hole A and the second mounting hole B when punching the first baffle ring profile C and the second baffle ring profile D
Hem width position will not rupture, improve the yields of baffle ring.
Specifically, the first punching mechanism includes the first punching module 21, the first red needle group 22 and the second red needle group 23, and first
Red needle group 22 and the second red needle group 23 separately include two red needles, and the first red needle group 22 and the second red needle group 23 are removably installed
It in the first punching module 21 and is arranged in parallel, the band that the first red needle group 22 and the second red needle group 23 are punched module 21 first
Dynamic lower up and down motion, cycle are punched out plank, and the first red needle group 22 is used for the punching on plank and forms the first mounting hole A,
Second red needle group 23 is used for the punching on plank and forms the second mounting hole B；
Second punching mechanism includes the second punching module 31, third punching module 32, the punching of the first punching cutter 33 and second
Knife 34, the second punching module 31 and third punching module 32 are arranged along the feed direction sequence of feed device 1, the first punching cutter 33
In the second punching module 31, the first punching module 21 drives the first punching cutter 33 to move up and down, and the first punching cutter 33 is used
In the first baffle ring profile C of punching formation on plank, the second punching cutter 34 is mounted in third punching module 32, the second blanking die
Block 31 drives the second punching cutter 34 to move up and down, and the second punching cutter 34 is used for the punching on plank and forms the second baffle ring profile D；Plate
Material is after the punching of the first red needle group 22, the second red needle group 23, the first punching cutter 33 and the second punching cutter 34, two baffle ring productions
Out.
In the present embodiment, blanking units further include third punching mechanism, and third punching mechanism is spare punching mechanism, is used for
It is punched the second mounting hole B's instead of the second red needle group 23；Specifically, third punching mechanism includes the 4th punching module 41 and third
Red needle group 42, the 4th punching module 41 are located between the second punching module 31 and third punching module 32, and third red needle group 42 can
It is releasably mounted in the 4th punching module 41, the 4th punching module 41 drives third red needle group 42 to move up and down, in plank
Upper punching forms the second mounting hole B.
Since third red needle group 42 is for being punched the second mounting hole B, third punching instead of the second red needle group 23
Needle group 42 and the second red needle group 23 can not possibly work at the same time, thus the stamping equipment in the present embodiment include the first working condition and
Second working condition, wherein：
Under first working condition, third punching mechanism does not work, and the first red needle group 22 and the second red needle group 23 are respectively in plate
Punching forms the first mounting hole A on material and the second mounting hole B, the first punching cutter 33 and the second punching cutter 34 rush on plank respectively
It cuts to form the first baffle ring profile C and the second baffle ring profile D, most latter two baffle ring, which is punched into, to be come；
Under second working condition, the second red needle group 23 is taken off from the first punching module 21, the first red needle group 22 exists
Punching forms the first mounting hole A on plank, then is punched on plank by the first punching cutter 33 and forms the first baffle ring profile C, then by
Third red needle group 42 is punched on plank forms the second mounting hole B, is finally punched on plank by the second punching cutter 34 and forms the
Two baffle ring profile D, two baffle rings, which are punched into, to be come.
Stamping equipment is under the first working condition under normal operation, and third punching mechanism is as spare punching mechanism
For be punched the second mounting hole B, when in blanking process when find the second red needle group 23 positioning there is deviation when, can be by the second red needle
Group 23 disassembles, and enables third punching mechanism, thus enters the second working condition, by the third red needle in third punching mechanism
The punching on plank of group 42 forms the second mounting hole B, that is, avoids the baffle ring produced from having higher defect rate, and avoid giving birth to
Red needle group is replaced during production.
First punching module 21 can also replace installation site, and the first punching module 21 in the present embodiment has the first peace
Holding position and the second installation site, the first installation site and the second installation site are 180 ° opposite, when the first punching module 21 has the
After one installation site is transferred to the second installation site, the first red needle group 22 is located exactly at the second red needle group 23 under the first installation site
Position, the second red needle group 23 is located exactly at the position of the first red needle group 22 under the first installation site, that is to say, that the first red needle
Group 22 and the second red needle group 23 have exchanged position just；
Under first working condition, that is, under normal operation, the first punching module 21 is mounted on the first installation site；
Under second working condition, after stamping equipment works a period of time in a second operative state, the first red needle group 22
Abrasion is generated, the first punching module 21 can be removed be mounted under the second installation site again at this time, replaced by the second red needle group 23
First red needle group 22 is punched on plank forms the first mounting hole A, effectively improves die life and the efficiency that repairs a die, is timely
Production provides safeguard.
In order to improve production efficiency in the present embodiment, the stamping equipment proposed includes two blanking units, two punchings
Device is arranged perpendicular to 1 feed direction of feed device, and the second punching module 31 of two blanking units is integrally formed, two
The third punching module 32 of blanking units is integrally formed.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of narrow side shaft block ring stamping equipment, which is characterized in that including feed device (1) and blanking units, blanking units
Including the first punching mechanism and the second punching mechanism；
Feed device (1) enters for conveying plank sequence to be punched in the first punching mechanism and the second punching mechanism；
First punching mechanism and the second punching mechanism are mounted on above the feeding passage of feed device (1), and the first punching mechanism is used
In being punched the mounting hole formed on baffle ring on plank, the second punching mechanism is used for the punching on plank and forms baffle ring profile.
2. narrow side shaft block ring stamping equipment according to claim 1, which is characterized in that the first punching mechanism includes first
It is punched module (21), the first red needle group (22) and the second red needle group (23), the first red needle group (22) and the second red needle group (23) peace
In the first punching module (21), the first red needle group (22) is used for the punching on plank and forms the first mounting hole (A), the second punching
Needle group (23) is used for the punching on plank and forms the second mounting hole (B)；
Second punching mechanism includes the second punching module (31), third punching module (32), the first punching cutter (33) and the second punching
Cutter (34), the second punching module (31) and third punching module (32) are arranged along the feed direction sequence of feed device (1), the
One punching cutter (33) is mounted in the second punching module (31), and the first punching cutter (33) is used for the punching on plank and forms first gear
Profile (C) is enclosed, the second punching cutter (34) is mounted in third punching module (32), and the second punching cutter (34) on plank for rushing
It cuts to form the second baffle ring profile (D).
3. narrow side shaft block ring stamping equipment according to claim 2, which is characterized in that the first red needle group (22) and second
Red needle group (23) is removably mounted in the first punching module (21)；
Blanking units further include third punching mechanism, and third punching mechanism includes the 4th punching module (41) and third red needle group
(42), the 4th punching module (41) is located between the second punching module (31) and third punching module (32), third red needle group
(42) it is removably mounted in the 4th punching module (41), third red needle group (42) is used for the punching on plank and forms the second peace
It fills hole (B).
4. narrow side shaft block ring stamping equipment according to claim 3, which is characterized in that including the first working condition and
Two working conditions, wherein：
Under first working condition, the punching on plank forms the first installation respectively for the first red needle group (22) and the second red needle group (23)
Punching forms first gear on plank respectively for hole (A) and the second mounting hole (B), the first punching cutter (33) and the second punching cutter (34)
Enclose profile (C) and the second baffle ring profile (D)；
Under second working condition, the punching on plank forms the first installation respectively for the first red needle group (22) and third red needle group (42)
Punching forms first gear on plank respectively for hole (A) and the second mounting hole (B), the first punching cutter (33) and the second punching cutter (34)
Enclose profile (C) and the second baffle ring profile (D).
5. narrow side shaft block ring stamping equipment according to claim 4, which is characterized in that the first punching module (21) has
First installation site and the second installation site；
Under first working condition, the first punching module (21) is mounted on the first installation site；
Under second working condition, the first punching module (21) is mounted under the first installation site, and the first red needle group (22) can be in plate
Punching forms the first mounting hole (A) on material, and the first punching module (21) is mounted under the second installation site, the second red needle group (23)
It can be punched on plank and form the first mounting hole (A).
6. narrow side shaft block ring stamping equipment according to any one of claims 1-5, which is characterized in that including multiple punchings
Cutting apparatus, multiple blanking units are arranged perpendicular to feed device (1) feed direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524040.4A CN108500119B (en) | 2018-05-28 | 2018-05-28 | Retaining ring stamping equipment for narrow side shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524040.4A CN108500119B (en) | 2018-05-28 | 2018-05-28 | Retaining ring stamping equipment for narrow side shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108500119A true CN108500119A (en) | 2018-09-07 |
| CN108500119B CN108500119B (en) | 2024-03-22 |
Family
ID=63401593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524040.4A Active CN108500119B (en) | 2018-05-28 | 2018-05-28 | Retaining ring stamping equipment for narrow side shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108500119B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207182A (en) * | 2020-10-14 | 2021-01-12 | 东风汽车有限公司 | There is die-cut mould of earhole of ear retaining ring processing line |
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| US1833190A (en) * | 1929-10-01 | 1931-11-24 | Tice Lock Washer Mfg Company | Progressive die for manufacturing lock washers |
| US3937541A (en) * | 1974-09-16 | 1976-02-10 | The Torrington Company | Thrust washer |
| DE4140161A1 (en) * | 1991-12-05 | 1993-06-09 | Walter Pottiez Gmbh, 7519 Sulzfeld, De | Mfr. of stampings for ball bearing cages - uses retaining rails for holding blanks for external toothing, in addition to tags |
| CN202343755U (en) * | 2011-12-02 | 2012-07-25 | 虞小春 | Retainer ring progressive die |
| CN103495640A (en) * | 2013-09-28 | 2014-01-08 | 安徽省宁国市东波紧固件有限公司 | Hole check ring sleeved row continuous die and hole check ring machining technology |
| CN103506465A (en) * | 2013-09-28 | 2014-01-15 | 安徽省宁国市东波紧固件有限公司 | Small-opening check ring continuous die and small-opening check ring machining technology utilizing same |
| CN208542787U (en) * | 2018-05-28 | 2019-02-26 | 安徽省宁国市东波紧固件有限公司 | A kind of narrow side shaft block ring stamping equipment |
-
2018
- 2018-05-28 CN CN201810524040.4A patent/CN108500119B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1833190A (en) * | 1929-10-01 | 1931-11-24 | Tice Lock Washer Mfg Company | Progressive die for manufacturing lock washers |
| US3937541A (en) * | 1974-09-16 | 1976-02-10 | The Torrington Company | Thrust washer |
| DE4140161A1 (en) * | 1991-12-05 | 1993-06-09 | Walter Pottiez Gmbh, 7519 Sulzfeld, De | Mfr. of stampings for ball bearing cages - uses retaining rails for holding blanks for external toothing, in addition to tags |
| CN202343755U (en) * | 2011-12-02 | 2012-07-25 | 虞小春 | Retainer ring progressive die |
| CN103495640A (en) * | 2013-09-28 | 2014-01-08 | 安徽省宁国市东波紧固件有限公司 | Hole check ring sleeved row continuous die and hole check ring machining technology |
| CN103506465A (en) * | 2013-09-28 | 2014-01-15 | 安徽省宁国市东波紧固件有限公司 | Small-opening check ring continuous die and small-opening check ring machining technology utilizing same |
| CN208542787U (en) * | 2018-05-28 | 2019-02-26 | 安徽省宁国市东波紧固件有限公司 | A kind of narrow side shaft block ring stamping equipment |
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| Title |
|---|
| 刘树春;周建来;李跃宇;: "孔用弹性挡圈多工位级进模设计", 模具工业, no. 03, 15 March 2008 (2008-03-15) * |
| 徐静汉: "抬牙连杆挡圈多工步级进模", 模具工业, no. 04, 25 April 1988 (1988-04-25) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207182A (en) * | 2020-10-14 | 2021-01-12 | 东风汽车有限公司 | There is die-cut mould of earhole of ear retaining ring processing line |
| CN112207182B (en) * | 2020-10-14 | 2023-08-29 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Earhole punching die of earring processing line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108500119B (en) | 2024-03-22 |
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