CN107617646A - A kind of link-type lazy-tongs of both-way block mould bases - Google Patents
A kind of link-type lazy-tongs of both-way block mould bases Download PDFInfo
- Publication number
- CN107617646A CN107617646A CN201711010775.7A CN201711010775A CN107617646A CN 107617646 A CN107617646 A CN 107617646A CN 201711010775 A CN201711010775 A CN 201711010775A CN 107617646 A CN107617646 A CN 107617646A
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- China
- Prior art keywords
- fixed seat
- link
- tongs
- spreads out
- mould bases
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Abstract
The invention provides a kind of link-type lazy-tongs of both-way block mould bases, the both-way block mould bases includes upper bolster and die shoe, upper punch and upper cavity are connected with the upper bolster, low punch and lower mode cavity are connected with the die shoe, the outside of the lower mode cavity is provided with supporting plate, it is characterised in that：The link-type lazy-tongs include upper fixed seat and lower fixed seat, and fixed seat is connected on the upper bolster through nitrogen spring, and the lower fixed seat is connected on the die shoe；Fixed seat and the flexible frame that spreads out that the rhombus being connected in sequence by four connecting rods is connected with before the lower fixed seat, the fixing bearing of upper end first of the flexible frame that spreads out is fixedly connected on fixed seat, the fixing bearing of lower end second of the flexible frame that spreads out is fixedly connected on the lower fixed seat, and the left and right ends of the flexible frame that spreads out are supported in the supporting plate through sliding bearing and can horizontally slipped along the supporting plate respectively.
Description
Technical field
The present invention relates to forging equipment manufacturing field, more particularly to a kind of link-type lazy-tongs of both-way block mould bases.
Background technology
In the closed die forming of the upper and lower symmetrical member such as three bearing pins, cross axle, to ensure upper and lower metal Uniform Flow, it is desirable to
Using both-way block forging technology.But if the speed of upper die and lower die Bidirectional-squeezing differ to when, the symmetrical member after extruding
The phenomenon that is bent as one side of appearance.
In order to ensure the processing quality of both-way block forging, it is necessary to forge the upper and lower drift speed of mould bases to both-way block
Degree is controlled so that the direction of motion of two drifts is opposite, speed is consistent.For at present, relatively common way is upper
A pair of symmetrical link-type lazy-tongs are installed, so as to realize the synchronization of upper and lower drift between die holder and die shoe.
Fig. 1 shows a kind of link-type lazy-tongs of both-way block mould bases in the prior art, the both-way block mould
Frame includes upper bolster (not shown) and die shoe (not shown), upper punch and upper cavity is connected with the upper bolster, under described
Low punch and lower mode cavity are connected with die holder.Supporting plate 300 is connected with the outside of the lower mode cavity.
As shown in figure 1, the link-type lazy-tongs include the upper fixed seat 11 being arranged on upper bolster, installed in lower mould
Lower fixed seat 12 on seat, be connected with before fixed seat 11 and the lower fixed seat 12 be sequentially connected by four connecting rods and
Into rhombus the flexible frame 13 that spreads out, the first fixing bearing of upper end 131 of the flexible frame 13 that spreads out is fixedly connected on described solid
In reservation 11, the second fixing bearing of lower end 132 of the flexible frame 13 that spreads out is fixedly connected on the lower fixed seat 12, described
The left and right ends of the flexible frame that spreads out are separately installed with a sliding bearing 133, and two sliding bearings 133 are both supported upon the branch
It can horizontally slip on fagging 300 and along the supporting plate 300.Due to the flexible frame that spreads out being connected between upper and lower die holder, flexible
Spread out under the regulation of frame, the translational speed of the upper and lower drift on upper and lower die holder keeps synchronous.
When needing to carry out obliterated extrusion to workpiece, upper cavity and lower mode cavity complete matched moulds first, after matched moulds, upper bolster with
Die shoe continues mutually extruding.Upper bolster is applied to the flexible of link-type lazy-tongs with the pressure difference before die shoe and spread out
On frame 13.
In the prior art, due to being not provided with pressure monitor structure on link-type lazy-tongs.When upper bolster and die shoe it
When preceding pressure difference exceedes the limit pressure voltage of the flexible frame that spreads out, link-type lazy-tongs will be caused to be pressurized and scrapped.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of link-type lazy-tongs of both-way block mould bases, its
Pressure monitor structure is provided with, so that link-type lazy-tongs are effectively protected, prevents its compression from scrapping.
To realize above-mentioned technical purpose, concrete technical scheme of the invention is as follows：
A kind of link-type lazy-tongs of both-way block mould bases, the both-way block mould bases include upper bolster and die shoe,
Upper punch and upper cavity are connected with the upper bolster, low punch and lower mode cavity, the lower mode cavity are connected with the die shoe
Outside be provided with supporting plate, it is characterised in that：
The link-type lazy-tongs include upper fixed seat and lower fixed seat, and fixed seat is connected to through nitrogen spring
On the upper bolster, the lower fixed seat is connected on the die shoe；
Fixed seat before the lower fixed seat with being connected with stretching for the rhombus being connected in sequence by four connecting rods
Contracted the frame that spreads out, and the fixing bearing of upper end first of the flexible frame that spreads out is fixedly connected on fixed seat, the flexible frame that spreads out
The fixing bearing of lower end second be fixedly connected on the lower fixed seat, the left and right ends of the flexible frame that spreads out are respectively through sliding
Bearings are in the supporting plate and can be horizontally slipped along the supporting plate.
In a specific embodiment, the outside of the nitrogen spring switchs provided with one stroke, and the travel switch is used for
The decrement of the nitrogen spring is detected, when the decrement of the nitrogen spring exceedes predetermined value, the travel switch is sent
Alarm signal.
Compared with prior art, the link-type lazy-tongs of both-way block mould bases provided by the invention, which is provided with pressure
Monitoring structure, so that link-type lazy-tongs are effectively protected, prevent its compression from scrapping.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by required practical attached in embodiment
Figure is briefly described, it should be evident that drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Wherein,
Fig. 1 is the structural representation of the link-type lazy-tongs of both-way block mould bases of the prior art；
Fig. 2 is the structural representation of the link-type lazy-tongs of both-way block mould bases provided by the invention.
Embodiment
To make the above objects, features and advantages of the present invention, can be more obvious understandable, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in Fig. 2 the link-type lazy-tongs of both-way block mould bases provided by the invention, the both-way block mould bases bag
Upper bolster (not shown) and die shoe (not shown) are included, upper punch and upper cavity, the die shoe are connected with the upper bolster
On be connected with low punch and lower mode cavity, the outside of the lower mode cavity is provided with supporting plate 300.Wherein：
The link-type lazy-tongs include upper fixed seat 21 and lower fixed seat 22, and fixed seat 21 is through nitrogen spring
24 are connected on the upper bolster, and the lower fixed seat 22 is connected on the die shoe.
Fixed seat 21 before the lower fixed seat 22 with being connected with the rhombus being connected in sequence by four connecting rods
The flexible frame 23 that spreads out, the first fixing bearing of upper end 231 of the flexible frame 23 that spreads out is fixedly connected on fixed seat 21,
The second fixing bearing of lower end 232 of the flexible frame that spreads out is fixedly connected on the lower fixed seat 22, the flexible frame 23 that spreads out
Left and right ends be respectively equipped with sliding bearing 233.
When fixed seat 21 and 22 relative motion of lower fixed seat, two sliding bearings 233 can prop up
Support and slid in and out in the supporting plate 300 and along the supporting plate 300, the now described flexible frame 23 that spreads out gradually is compressed；And
When fixed seat 21 and the lower fixed seat 22 move opposite to each other, two sliding bearings 233 can be along the support
The slid inward of plate 300 and the eventually off supporting plate 300, the now described flexible frame 23 that spreads out gradually are stretched.
It can be seen that under the coordinative role of flexible spread out frame 23 and the supporting plate 300, upper fixed seat 21 and lower fixed seat 22
Translational speed is synchronized, so as to ensure that the squeezing effect of symmetrical work pieces.
When needing to carry out obliterated extrusion to workpiece, upper cavity and lower mode cavity complete matched moulds first, after matched moulds, upper bolster with
Die shoe continues mutually extruding.Upper bolster is applied to the flexible of link-type lazy-tongs with the pressure difference before die shoe and spread out
On frame 23, and the limit pressure voltage of the flexible frame 23 that spreads out is predetermined.It is therefore necessary to ensure described stretch is spread out suffered by frame 23
Pressure be less than its limit pressure voltage.
In the present invention, the decrement of the nitrogen spring 24 and the pressure that the flexible frame 23 that spreads out is subject to are proportional.
Therefore, it can judge whether the flexible pressure that frame 23 is subject to of spreading out reaches its pole according to the decrement of the nitrogen spring 24
Limit pressure voltage.When the pressure value that the flexible frame 23 that spreads out is subject to reaches its limit pressure voltage, illustrate the pressure difference between upper die and lower die
There is exception, this time, turn off inaccessible module rapidly, prevent the flexible frame 23 that spreads out is pressurized from scrapping.
In a specific embodiment, in order to be monitored in real time to the decrement of the nitrogen spring 24, the nitrogen
The outside of spring 24 is provided with one stroke switch 25, and the travel switch 25 is used for the decrement for detecting the nitrogen spring 24.When
When the decrement of the nitrogen spring 24 exceedes predetermined value, it is pressure-resistant to illustrate that the flexible pressure value that frame 23 is subject to of spreading out reaches its limit
Value, now the travel switch sends alarm signal.
The description with certain particularity detailed enough has been carried out to the present invention above.Ordinary skill in art
Personnel are it should be understood that what the description in embodiment was merely exemplary, before without departing from true spirit and scope of the present invention
Put make it is all change should all belong to protection scope of the present invention.Scope of the present invention is by described power
What sharp claim was defined, rather than limited by foregoing description in embodiment.
Claims (2)
1. a kind of link-type lazy-tongs of both-way block mould bases, the both-way block mould bases includes upper bolster and die shoe, institute
State and upper punch and upper cavity are connected with upper bolster, low punch and lower mode cavity are connected with the die shoe, the lower mode cavity
Outside is provided with supporting plate, it is characterised in that：
The link-type lazy-tongs include upper fixed seat and lower fixed seat, and fixed seat is connected to described through nitrogen spring
On upper bolster, the lower fixed seat is connected on the die shoe；
Fixed seat spreads out with being connected with the flexible of the rhombus being connected in sequence by four connecting rods before the lower fixed seat
Frame, the fixing bearing of upper end first of the flexible frame that spreads out are fixedly connected on fixed seat, and described stretch is spread out under frame
End is fixedly connected on the lower fixed seat through the second fixing bearing, and the left and right ends of the flexible frame that spreads out are respectively through sliding bearing
It is supported in the supporting plate and can be horizontally slipped along the supporting plate.
2. the link-type lazy-tongs of both-way block mould bases as claimed in claim 1, it is characterised in that：The nitrogen spring
Outside switchs provided with one stroke, and the travel switch is used for the decrement for detecting the nitrogen spring, when the nitrogen spring
When decrement exceedes predetermined value, the travel switch sends alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711010775.7A CN107617646A (en) | 2017-10-25 | 2017-10-25 | A kind of link-type lazy-tongs of both-way block mould bases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711010775.7A CN107617646A (en) | 2017-10-25 | 2017-10-25 | A kind of link-type lazy-tongs of both-way block mould bases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107617646A true CN107617646A (en) | 2018-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711010775.7A Pending CN107617646A (en) | 2017-10-25 | 2017-10-25 | A kind of link-type lazy-tongs of both-way block mould bases |
Country Status (1)
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|---|---|
| CN (1) | CN107617646A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6453726A (en) * | 1987-08-24 | 1989-03-01 | Nichidai Kk | Die assembly for full enclosed die forging |
| JPH0686834U (en) * | 1993-06-08 | 1994-12-20 | 本田技研工業株式会社 | Closure forging device |
| CN2527559Y (en) * | 2002-01-30 | 2002-12-25 | 杭州杭氧环保成套设备有限公司 | Overtorque protector for suction dredge |
| CN101259513A (en) * | 2008-04-11 | 2008-09-10 | 华中科技大学 | Double-occlusive fluid die rack |
| CN103128211A (en) * | 2013-03-14 | 2013-06-05 | 江苏森威集团飞达股份有限公司 | Blocked internal extrusion molding device and molding technology |
| CN207463846U (en) * | 2017-10-25 | 2018-06-08 | 江苏理研科技股份有限公司 | A kind of link-type lazy-tongs of both-way block mould bases |
-
2017
- 2017-10-25 CN CN201711010775.7A patent/CN107617646A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6453726A (en) * | 1987-08-24 | 1989-03-01 | Nichidai Kk | Die assembly for full enclosed die forging |
| JPH0686834U (en) * | 1993-06-08 | 1994-12-20 | 本田技研工業株式会社 | Closure forging device |
| CN2527559Y (en) * | 2002-01-30 | 2002-12-25 | 杭州杭氧环保成套设备有限公司 | Overtorque protector for suction dredge |
| CN101259513A (en) * | 2008-04-11 | 2008-09-10 | 华中科技大学 | Double-occlusive fluid die rack |
| CN103128211A (en) * | 2013-03-14 | 2013-06-05 | 江苏森威集团飞达股份有限公司 | Blocked internal extrusion molding device and molding technology |
| CN207463846U (en) * | 2017-10-25 | 2018-06-08 | 江苏理研科技股份有限公司 | A kind of link-type lazy-tongs of both-way block mould bases |
Non-Patent Citations (3)
| Title |
|---|
| 帕姆利: "《机械设计零件与实用装置图册》", 31 December 2013 * |
| 张全元: "《变电运行现场技术问答 第3版》", 28 February 2013, 北京：中国电力出版社 * |
| 郑智受等: "《氮气弹簧技术在模具中的应用》", 31 May 1998, 北京：机械工业出版社 * |
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