CN107790534A - A kind of slot back-up ring progressive die pressing equipment - Google Patents
A kind of slot back-up ring progressive die pressing equipment Download PDFInfo
- Publication number
- CN107790534A CN107790534A CN201710785109.4A CN201710785109A CN107790534A CN 107790534 A CN107790534 A CN 107790534A CN 201710785109 A CN201710785109 A CN 201710785109A CN 107790534 A CN107790534 A CN 107790534A
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- China
- Prior art keywords
- connecting rod
- plate
- lower template
- material lift
- pressing equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007723 die pressing method Methods 0.000 title claims abstract description 23
- 230000000750 progressive effect Effects 0.000 title claims abstract description 23
- 238000004080 punching Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of slot back-up ring progressive die pressing equipment, the lower template of second punching mechanism is provided with opening, the ejection chamber with open communication is provided with the die cavity, the material lift plate of ejecting structure is arranged on below lower template, push rod is vertically arranged on material lift plate, push rod upper end stretches into the ejection intracavitary of cavity plate through the opening of lower template, and first connecting rod is connected with second connecting rod lower end with material lift plate and upper end is connected with punch fixing plate.Pass through the slot back-up ring progressive die pressing equipment of above-mentioned optimization design, it is reasonable in design, when punching press terminates die sinking, punch fixing plate moves up, material lift plate is driven to push up the product in push rod jack-up die cavity by connecting rod, the separation blanking between product and raw material is realized, so as to greatly improve processing efficiency, and prevents following process from not causing product secondary damage thoroughly due to blanking.
Description
Technical field
The present invention relates to back-up ring manufacture field, more particularly to a kind of slot back-up ring progressive die pressing equipment.
Background technology
The main function of back-up ring is the cast parts being fastened on axle, can prevent the other parts play on axle,
Belong to a kind of fastener, be conventional machine components.In general, the external diameter of back-up ring clamps slightly larger than the diameter of assembling circular hole
After be put into assembling circular hole in and by natural resiliency be fixed on assembling circular hole in.When back-up ring is processed, generally use hand feed punching
Pressure mode, when being molded after punching press, back-up ring departs from from slashing automatically.However, as shown in figure 1, it is mouth the characteristics of slot back-up ring
Portion is narrower, and aperture is smaller to back gauge, can not realize one-step punching forming.Therefore, for this mould using aperture is first rushed, backlash is overall
Cylindrical shaping, but because mouth position is smaller, waste material connecting portion is narrow on material strip, causes product discharge to be obstructed, and can not realize certainly
Dynamic blanking.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of slot back-up ring progressive die pressing equipment.
A kind of slot back-up ring progressive die pressing equipment proposed by the present invention, including:Feed device, the second punching mechanism;
Feed device is located at the second punching mechanism charging aperture side, for the friction feeding into the second punching mechanism;
Second punching mechanism includes lower template, cavity plate, punch fixing plate, drift, ejecting structure;
Lower template is provided with opening, and cavity plate is arranged in lower template, and cavity plate is provided with die cavity, is provided with the die cavity with
The ejection chamber of template opening connection, punch fixing plate are located above cavity plate, and drift, which is located above die cavity and is fixed on drift, to be fixed
On plate;
Ejecting structure includes material lift plate, push rod, first connecting rod, second connecting rod, and material lift plate level is arranged on below lower template,
Push rod is vertically arranged on material lift plate, and push rod lower end stretches into the ejection of cavity plate against material lift plate and upper end through the opening of lower template
Intracavitary, first connecting rod and second connecting rod are located at lower template both sides respectively, and first connecting rod is connected with second connecting rod lower end with material lift plate
And upper end is connected with punch fixing plate.
Preferably, punch fixing plate both sides are respectively equipped with the first connecting rod seat of honour and the second connecting rod seat of honour, the first connecting rod seat of honour
The first positioning hole being set in outside first connecting rod is provided with, first connecting rod is provided with the first locating part, and the first locating part is located at
Above first positioning hole, the second connecting rod seat of honour is provided with the second positioning hole being set in outside second connecting rod, second connecting rod
The second locating part is provided with, the second locating part is located above second positioning hole.
Preferably, first connecting rod and second connecting rod outer wall are equipped with external screw thread, and the first locating part and the second locating part use
The nut coordinated respectively with first connecting rod and second connecting rod screw thread.
Preferably, first connecting rod lower end is provided with horizontally disposed first rotating shaft, and first connecting rod passes through first rotating shaft and material lift
Plate is rotatably connected, and second connecting rod lower end is provided with the second rotating shaft set parallel to first rotating shaft, and second connecting rod passes through second turn
Axle is rotatably connected with material lift plate.
Preferably, the guide pillar being vertically arranged is additionally provided with lower template, punch fixing plate is provided with the guide pin bushing coordinated with guide pillar.
Preferably, lower template is provided with multiple guide pillars, and multiple guide pillars are distributed around cavity plate, and punch fixing plate is provided with difference
The multiple guide pin bushings coordinated with multiple guide pillars.
Preferably, in addition to the first punching mechanism, the first punching mechanism is between the second punching mechanism and feed device.
In the present invention, the slot back-up ring progressive die pressing equipment that is proposed, the lower template of the second punching mechanism, which is provided with, to be opened
Mouthful, the ejection chamber with open communication is provided with the die cavity, the material lift plate of ejecting structure is arranged on below lower template, and push rod is vertical
It is arranged on material lift plate, push rod upper end stretches into the ejection intracavitary of cavity plate, first connecting rod and second connecting rod through the opening of lower template
Lower end is connected with material lift plate and upper end is connected with punch fixing plate.Set by the continuous die stamping of slot back-up ring of above-mentioned optimization design
Standby, reasonable in design, when punching press terminates die sinking, punch fixing plate moves up, and drives material lift plate to push up by connecting rod
Push rod jacks up the product in die cavity, realizes the separation blanking between product and raw material, so as to greatly improve processing efficiency, and prevents
Only following process does not cause product secondary damage thoroughly due to blanking.
Brief description of the drawings
Fig. 1 is that a kind of structure of the slot back-up ring product of slot back-up ring progressive die pressing equipment processing proposed by the present invention is shown
It is intended to.
Fig. 2 is a kind of structural representation of slot back-up ring progressive die pressing equipment proposed by the present invention.
Fig. 3 is a kind of structural representation of second punching mechanism of slot back-up ring progressive die pressing equipment proposed by the present invention
Figure.
Embodiment
As shown in Figures 1 to 3, Fig. 1 is a kind of structural representation of slot back-up ring progressive die pressing equipment proposed by the present invention,
Fig. 2 is a kind of structural representation of slot back-up ring progressive die pressing equipment proposed by the present invention, and Fig. 3 is one kind proposed by the present invention
The structural representation of second punching mechanism of slot back-up ring progressive die pressing equipment.
Reference picture 2 and 3, a kind of slot back-up ring progressive die pressing equipment proposed by the present invention, including:Feed device 1, second
Punching mechanism 7;
Feed device 1 is located at the second punching mechanism charging aperture side, for the friction feeding into the second punching mechanism 7;
Second punching mechanism 7 includes lower template 3, cavity plate 4, punch fixing plate 5, drift 6, ejecting structure;
Lower template 3 is provided with opening, and cavity plate 4 is arranged in lower template 3, and cavity plate 4 is provided with die cavity, is provided with the die cavity
With the ejection chamber of the open communication of lower template 3, punch fixing plate 5 is located at the top of cavity plate 4, and drift 6 is located above die cavity and is fixed on
On punch fixing plate 5;
Ejecting structure includes material lift plate 71, push rod 72, first connecting rod 73, second connecting rod 74, and material lift plate 71 is horizontally set on
The lower section of lower template 3, push rod 72 are vertically arranged on material lift plate 71, and the lower end of push rod 72 passes through lower template against material lift plate 71 and upper end
3 opening stretches into the ejection intracavitary of cavity plate 4, and first connecting rod 73 and second connecting rod 74 are located at the both sides of lower template 3, first connecting rod respectively
73 are connected and upper end is connected with punch fixing plate 5 with the lower end of second connecting rod 74 with material lift plate 71.
In the embodiment of back-up ring processing, in addition to the first punching mechanism 2, the first punching mechanism 2 are located at second
Between punching mechanism 7 and feed device 1;In the continuous die stamping specific work process of slot back-up ring, feed device is successively to
Friction feeding in one punching mechanism and the second punching mechanism 7, during by the first punching mechanism 7, two apertures of punching press back-up ring first,
When then by the second punching mechanism 7, the shaping of punching press back-up ring circle product external, when punching press terminates die sinking, punch fixing plate is to moving up
It is dynamic, drive material lift plate to push up the product in push rod jack-up die cavity by connecting rod, realize under the separation between product and raw material
Material.
In the present embodiment, the slot back-up ring progressive die pressing equipment proposed, set in the lower template of the second punching mechanism
There is opening, the ejection chamber with open communication is provided with the die cavity, the material lift plate of ejecting structure is arranged on below lower template, push rod
It is vertically arranged on material lift plate, push rod upper end stretches into the ejection intracavitary of cavity plate, first connecting rod and second through the opening of lower template
Connecting rod lower end is connected with material lift plate and upper end is connected with punch fixing plate.Pass through the continuous stamping of slot back-up ring of above-mentioned optimization design
Equipment is pressed, reasonable in design, when punching press terminates die sinking, punch fixing plate moves up, and drives material lift plate upward by connecting rod
Promote push rod to jack up the product in die cavity, realize the separation blanking between product and raw material, so as to greatly improve processing efficiency, and
And prevent following process from not causing product secondary damage thoroughly due to blanking.
In a specific embodiment, the both sides of punch fixing plate 5 are respectively equipped with the first connecting rod seat of honour 81 and the second connecting rod seat of honour
82, the first connecting rod seat of honour 81 is provided with the first positioning hole being set in outside first connecting rod 73, and first connecting rod 73 is provided with first
Locating part 75, the first locating part 75 are located above first positioning hole, and the second connecting rod seat of honour 82 is provided with and is set in the second company
The second positioning hole outside bar 74, second connecting rod 74 are provided with the second locating part 76, and the second locating part 76 is fixed positioned at described second
Above the hole of position, coordinated by rod aperture so that punch fixing plate drives push rod to jack up after rising pre-determined distance, so as to prevent push rod top
Play transition.
In further embodiment, first connecting rod 73 and the outer wall of second connecting rod 74 are equipped with external screw thread, the first limit
The position locating part 76 of part 75 and second, can be according to need using the nut coordinated respectively with first connecting rod 73 and the screw thread of second connecting rod 74
Position of the locating part on connecting rod is adjusted, realizes that jack-up is Height Adjustable.
In other embodiments, the lower end of first connecting rod 73 is provided with horizontally disposed first rotating shaft, first connecting rod 73
It is rotatably connected by first rotating shaft and material lift plate 71, the lower end of second connecting rod 74 is provided with second turn set parallel to first rotating shaft
Axle, second connecting rod 74 are rotatably connected by the second rotating shaft and material lift plate 71, and punch fixing plate is driven on material lift plate by connecting rod
During shifting, material lift plate can ensure to move stabilization along jack-up direction according to micro- rotation occurs between the jack-up direction of push rod and connecting rod.
In order to improve punching precision, in other embodiments, the guide pillar being vertically arranged is additionally provided with lower template 3
91, punch fixing plate 5 is provided with the guide pin bushing 92 coordinated with guide pillar 91.
In further embodiment, lower template 3 is provided with multiple guide pillars 91, and multiple guide pillars 91 divide around cavity plate 4
Cloth, punch fixing plate 5 are provided with the multiple guide pin bushings 92 coordinated respectively with multiple guide pillars 91.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
- A kind of 1. slot back-up ring progressive die pressing equipment, it is characterised in that including:Feed device (1), the second punching mechanism (7);Feed device (1) is located at the second punching mechanism charging aperture side, for the second punching mechanism (7) interior friction feeding;Second punching mechanism (7) includes lower template (3), cavity plate (4), punch fixing plate (5), drift (6), ejecting structure;Lower template (3) is provided with opening, and cavity plate (4) is arranged in lower template (3), and cavity plate (4) is provided with die cavity, in the die cavity Provided with the ejection chamber with lower template (3) open communication, punch fixing plate (5) is located above cavity plate (4), and drift (6) is located at die cavity Top and it is fixed on punch fixing plate (5);Ejecting structure includes material lift plate (71), push rod (72), first connecting rod (73), second connecting rod (74), and material lift plate (71) is horizontal It is arranged on below lower template (3), push rod (72) is vertically arranged on material lift plate (71), and push rod (72) lower end is against material lift plate (71) And upper end stretches into the ejection intracavitary of cavity plate (4) through the opening of lower template (3), first connecting rod (73) and second connecting rod (74) are respectively Positioned at lower template (3) both sides, first connecting rod (73) is connected with second connecting rod (74) lower end with material lift plate (71) and upper end and drift Fixed plate (5) connects.
- 2. slot back-up ring progressive die pressing equipment according to claim 1, it is characterised in that punch fixing plate (5) both sides The first connecting rod seat of honour (81) and the second connecting rod seat of honour (82) are respectively equipped with, the first connecting rod seat of honour (81) are provided with and are set in the first company The first outside positioning hole of bar (73), first connecting rod (73) are provided with the first locating part (75), and the first locating part (75) is located at institute To state above the first positioning hole, the second connecting rod seat of honour (82), which are provided with, is set in the second outside positioning hole of second connecting rod (74), the Two connecting rods (74) are provided with the second locating part (76), and the second locating part (76) is located above second positioning hole.
- 3. slot back-up ring progressive die pressing equipment according to claim 2, it is characterised in that first connecting rod (73) and second Connecting rod (74) outer wall is equipped with external screw thread, the first locating part (75) and the second locating part (76) using respectively with first connecting rod (73) The nut coordinated with second connecting rod (74) screw thread.
- 4. slot back-up ring progressive die pressing equipment according to claim 2, it is characterised in that first connecting rod (73) lower end is set There is horizontally disposed first rotating shaft, first connecting rod (73) is rotatably connected by first rotating shaft and material lift plate (71), second connecting rod (74) lower end is provided with the second rotating shaft set parallel to first rotating shaft, and second connecting rod (74) passes through the second rotating shaft and material lift plate (71) It is rotatably connected.
- 5. slot back-up ring progressive die pressing equipment according to claim 1, it is characterised in that lower template is additionally provided with (3) The guide pillar (91) being vertically arranged, punch fixing plate (5) are provided with the guide pin bushing (92) coordinated with guide pillar (91).
- 6. slot back-up ring progressive die pressing equipment according to claim 5, it is characterised in that lower template (3) is provided with more Individual guide pillar (91), multiple guide pillars (91) around cavity plate (4) be distributed, punch fixing plate (5) be provided with respectively with multiple guide pillars (91) The multiple guide pin bushings (92) coordinated.
- 7. slot back-up ring progressive die pressing equipment according to claim 1, it is characterised in that also including the first punching mechanism (2), the first punching mechanism (2) is between the second punching mechanism (7) and feed device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710785109.4A CN107790534A (en) | 2017-09-04 | 2017-09-04 | A kind of slot back-up ring progressive die pressing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710785109.4A CN107790534A (en) | 2017-09-04 | 2017-09-04 | A kind of slot back-up ring progressive die pressing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107790534A true CN107790534A (en) | 2018-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710785109.4A Pending CN107790534A (en) | 2017-09-04 | 2017-09-04 | A kind of slot back-up ring progressive die pressing equipment |
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| CN (1) | CN107790534A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497191A (en) * | 2019-08-27 | 2019-11-26 | 中山市金艺金属制品有限公司 | A high-efficiency semi-automatic circlip machine |
| CN112207202A (en) * | 2020-10-20 | 2021-01-12 | 东风汽车有限公司 | Upsetting-extruding forming method for conical check ring |
| CN112355134A (en) * | 2020-10-14 | 2021-02-12 | 东风汽车有限公司 | Automatic processing method of check ring with ears |
| CN112355135A (en) * | 2020-10-14 | 2021-02-12 | 东风汽车有限公司 | Automatic processing line equipment with lug check rings |
| CN115889551A (en) * | 2023-02-17 | 2023-04-04 | 哈尔滨晋奥航空钣金零部件有限公司 | Aviation sheet metal part stamping forming die |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104236U (en) * | 1991-02-18 | 1992-09-08 | アイダエンジニアリング株式会社 | Press machine slide knockout device |
| CN201841217U (en) * | 2010-09-15 | 2011-05-25 | 安徽六方重联机械股份有限公司 | Automatic stripping device for nut processing |
| CN202527645U (en) * | 2012-03-20 | 2012-11-14 | 雷帮荣 | Demoulding ejection mechanism for upright oil press |
| CN203265413U (en) * | 2013-05-21 | 2013-11-06 | 苏州市淞舜五金有限公司 | One-time stamping forming die |
| CN204148352U (en) * | 2014-08-21 | 2015-02-11 | 昆山光茂兴电子有限公司 | Servo-actuated diel |
| CN204503905U (en) * | 2015-04-02 | 2015-07-29 | 四川广旺能源发展(集团)有限责任公司机械制造分公司 | A kind of railway spike nail head forming machine |
| CN205270572U (en) * | 2015-11-16 | 2016-06-01 | 重庆持恒模具有限公司 | Novel flip -chip compound die |
-
2017
- 2017-09-04 CN CN201710785109.4A patent/CN107790534A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104236U (en) * | 1991-02-18 | 1992-09-08 | アイダエンジニアリング株式会社 | Press machine slide knockout device |
| CN201841217U (en) * | 2010-09-15 | 2011-05-25 | 安徽六方重联机械股份有限公司 | Automatic stripping device for nut processing |
| CN202527645U (en) * | 2012-03-20 | 2012-11-14 | 雷帮荣 | Demoulding ejection mechanism for upright oil press |
| CN203265413U (en) * | 2013-05-21 | 2013-11-06 | 苏州市淞舜五金有限公司 | One-time stamping forming die |
| CN204148352U (en) * | 2014-08-21 | 2015-02-11 | 昆山光茂兴电子有限公司 | Servo-actuated diel |
| CN204503905U (en) * | 2015-04-02 | 2015-07-29 | 四川广旺能源发展(集团)有限责任公司机械制造分公司 | A kind of railway spike nail head forming machine |
| CN205270572U (en) * | 2015-11-16 | 2016-06-01 | 重庆持恒模具有限公司 | Novel flip -chip compound die |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497191A (en) * | 2019-08-27 | 2019-11-26 | 中山市金艺金属制品有限公司 | A high-efficiency semi-automatic circlip machine |
| CN110497191B (en) * | 2019-08-27 | 2024-03-29 | 中山市金艺金属制品有限公司 | A high-efficiency semi-automatic spring machine |
| CN112355134A (en) * | 2020-10-14 | 2021-02-12 | 东风汽车有限公司 | Automatic processing method of check ring with ears |
| CN112355135A (en) * | 2020-10-14 | 2021-02-12 | 东风汽车有限公司 | Automatic processing line equipment with lug check rings |
| CN112355134B (en) * | 2020-10-14 | 2023-04-25 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Automatic processing method of eared retainer ring |
| CN112207202A (en) * | 2020-10-20 | 2021-01-12 | 东风汽车有限公司 | Upsetting-extruding forming method for conical check ring |
| CN112207202B (en) * | 2020-10-20 | 2022-08-19 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Upsetting-extruding forming method for conical check ring |
| CN115889551A (en) * | 2023-02-17 | 2023-04-04 | 哈尔滨晋奥航空钣金零部件有限公司 | Aviation sheet metal part stamping forming die |
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Application publication date: 20180313 |