CN104289650A - Tool for large-forge-piece internal crack forging technology - Google Patents
Tool for large-forge-piece internal crack forging technology Download PDFInfo
- Publication number
- CN104289650A CN104289650A CN201410399648.0A CN201410399648A CN104289650A CN 104289650 A CN104289650 A CN 104289650A CN 201410399648 A CN201410399648 A CN 201410399648A CN 104289650 A CN104289650 A CN 104289650A
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- CN
- China
- Prior art keywords
- forging
- fixed head
- grooved fixed
- closed
- underbead crack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/06—Hammers tups; Anvils; Anvil blocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a tool for the large-forge-piece internal crack forging technology. The tool comprises groove-type fixing plates and side wall stop blocks, wherein the groove-type fixing plates are in U shapes, grooves of the groove-type fixing plates are oppositely arranged, the side wall stop blocks are fixedly arranged on the two sides of the groove-type fixing plates oppositely through connecting plates, and space for containing a billet is defined by the side wall stop blocks and the groove-type fixing plates. According to the tool for the large-forge-piece internal crack forging technology, as the opposite groove-type fixing plates are arranged, and the side wall stop blocks are arranged between the groove-type fixing plates, when central compacting is carried out, the surface of the billet does not need to be cooled, the complex billet steel cooling working procedure difficult to control is avoided, the compacting technology is simplified, and the corresponding technology period is shortened; meanwhile, the forging loads of the central compacting technology are reduced, the requirement for the tonnage of a compacting machine is lowered, the compacting technological effect can be effectively improved, the forging quality can be guaranteed, and the production efficiency can be improved.
Description
Technical field
The present invention relates to metal forging technical field, particularly relate to the forging of a kind of heavy forging underbead crack and close technique frock.
Background technology
At present, in the process of large axis forging, adopt forging to close the crack defect of technique forging conjunction steel ingot inside, to reach crystal grain thinning, uniform formation, improve the object of workpiece quality.Normally, the center compaction process of heavy forging adopts parallel anvil, V-type anvil Forging Technology, this technique needs the billet surface being heated to high temperature to carry out Quick uniform cooling, steel ingot center and its surface is made to form certain thermograde, to realize controlling top layer flow of metal in press forging process, avoid heavy forging to occur violent inhomogeneous deformation, compacting core structure, eliminate the object of inside steel billet defect.
But because steel billet process for cooling is complicated, difficult control of temperature, causes forging very easily uneven distortion in the process of press forging, be difficult to realize the technological effect that compaction process will reach.Simultaneously because process cycle is long, after steel billet cooling, resistance of deformation increases, and improve the tonnage demand of forging load and press, the working (machining) efficiency of Ye Shi center compaction process is low.
Therefore for prior art Problems existing, this case designer is by means of being engaged in the industry experience for many years, and active research improves, so there has been a kind of heavy forging underbead crack forging of the present invention to close technique frock.
Summary of the invention
The present invention be directed in prior art, the forging of tradition heavy forging closes technique due to steel billet process for cooling complexity, difficult control of temperature, cause forging very easily uneven distortion in the process of press forging, be difficult to realize the technological effect that compaction process will reach, and due to process cycle long, after steel billet cooling, resistance of deformation increases, improve the tonnage demand of forging load and press, the low inferior defect of working (machining) efficiency of Ye Shi center compaction process provides a kind of heavy forging underbead crack to forge and closes technique frock.
In order to solve the problem, the invention provides a kind of heavy forging underbead crack and forge conjunction technique frock, technique frock is closed in described heavy forging underbead crack forging, comprising: grooved fixed head, and in " recessed " type, and the groove of described grooved fixed head is towards setting; Sidewall block, is towards the both sides being fixedly installed on described grooved fixed head by connecting plate, and encloses with described grooved fixed head the accommodation space forming blank.
Alternatively, the relative inner wall of described grooved fixed head is outer inclined-plane, the lateral wall of described sidewall block is the evagination angled face formed by the first inclined-plane in horizontal center line symmetry and the second inclined-plane, and snug engagement outside the madial wall of described grooved fixed head and described sidewall block.
Alternatively, the first inclined-plane of described lateral wall is equal with the inclination angle of the madial wall of described grooved fixed head with the inclination angle on the second inclined-plane.
Alternatively, described connecting plate is in " L " type, and the long section of described connecting plate is fixedly installed on the side at the madial wall two ends of described grooved fixed head through lock member, short section of described connecting plate chimeric is arranged in the lateral grooves at the lateral wall two ends of described sidewall block, short section of described connecting plate and be slidably matched with the lateral grooves of described sidewall block.
Alternatively, the lateral wall of described sidewall block is arranged along the longitudinal direction on described first inclined-plane and described second inclined-plane and slides groove, and guiding feather key is set at the madial wall of described grooved fixed head and described groove opposite position place of sliding.
Alternatively, the described heavy forging underbead crack forging grooved fixed head that closes technique frock arranges backing plate towards the side of described accommodation space.
Alternatively, described backing plate the side differing from described grooved fixed head and by dovetail connecting structure, compacting anvil is set.
Alternatively, the side contacted with blank of described compacting anvil is evagination trapezoidal shape.
In sum, heavy forging underbead crack of the present invention forging close technique frock by arrange in towards grooved fixed head, and described sidewall block is set between described grooved fixed head, during underway heart compacting, do not need to cool the surface of described blank, avoid complicated and restive steel billet refrigerating work procedure, simplification compaction process, shorten technique same period while, reduce the forging load of center compaction process and the requirement to press tonnage, can effectively improve compaction process effect, ensure forging quality, enhance productivity.
Accompanying drawing explanation
Figure 1 shows that the sectional view of technique frock is closed in heavy forging underbead crack of the present invention forging;
Figure 2 shows that the side view of technique frock is closed in heavy forging underbead crack of the present invention forging;
Figure 3 shows that the top view of technique frock is closed in heavy forging underbead crack of the present invention forging;
Figure 4 shows that the sectional view of Fig. 1 along A-A direction.
Detailed description of the invention
By describe in detail the invention technology contents, structural feature, reached object and effect, coordinate accompanying drawing to be described in detail below in conjunction with embodiment.
Refer to Fig. 1 ~ Fig. 4, Figure 1 shows that the sectional view of technique frock is closed in heavy forging underbead crack of the present invention forging.Figure 2 shows that the side view of technique frock is closed in heavy forging underbead crack of the present invention forging.Figure 3 shows that the top view of technique frock is closed in heavy forging underbead crack of the present invention forging.Figure 4 shows that the sectional view of Fig. 1 along A-A direction.Technique frock 1 is closed in described heavy forging underbead crack forging, comprising: grooved fixed head 11, and described grooved fixed head 11 is in " recessed " type, and the groove of described grooved fixed head 11 is towards setting; Sidewall block 12, described sidewall block 12 is towards the both sides being fixedly installed on described grooved fixed head 11 by connecting plate 13, and encloses with described grooved fixed head 11 accommodation space 14 forming blank 10.
Wherein, the relative inner wall 111 of described grooved fixed head 11 is outer inclined-plane, the lateral wall 121 of described sidewall block 12 is the evagination angled face formed by the first inclined-plane 122 in horizontal center line symmetry and the second inclined-plane 123, and the madial wall 111 of described grooved fixed head 11 is slidably matched with the lateral wall 121 of described sidewall block 12.More specifically, the first inclined-plane 122 of described lateral wall 121 is equal with the inclination angle of the madial wall 111 of described grooved fixed head 11 with the inclination angle on the second inclined-plane 123.
Please continue to refer to Fig. 3, described connecting plate 13 is in " L " type, and the long section 131 of described connecting plate 13 is fixedly installed on the side at madial wall 111 two ends of described grooved fixed head 11 through lock member 15, short section 132 of described connecting plate 13 chimeric is arranged in the lateral grooves 124 at lateral wall 121 two ends of described sidewall block 12, short section 132 of described connecting plate 13 and be slidably matched with the lateral grooves 124 of described sidewall block 12.
Please continue to refer to Fig. 2, the lateral wall 121 of described sidewall block 12 slides groove 125 along the longitudinal direction setting on described first inclined-plane 122 and described second inclined-plane 123, and at the madial wall 111 of described grooved fixed head 11, the feather key 112 that leads is set with described groove 125 opposite position place of sliding.
Please continue to refer to Fig. 1, the described heavy forging underbead crack forging grooved fixed head 11 that closes technique frock 1 arranges backing plate 16 towards the side of described accommodation space 14.The side differing from described grooved fixed head 11 of described backing plate 16 also arranges compacting anvil 17 by dovetail connecting structure 161.More specifically, the side contacted with described blank 10 of described compacting anvil 17 is evagination trapezoidal shape.
Apparently, heavy forging underbead crack forging of the present invention closes technique frock 1 when carrying out forging and closing technique, compacting anvil 17, the sidewall block 12 of described heavy forging underbead crack forging conjunction technique frock 1 carry out upper and lower, left and right to the blank 10 be arranged in described accommodation space 14 and synchronously evenly extrude, make described blank 10 at uniform stressed, and under small deformation condition, large deformation region is concentrated on blank heart portion, reach the object that internal defects is closed in forging.
When using heavy forging underbead crack of the present invention forging conjunction technique frock 1 to carry out center compacting, do not need to cool the surface of described blank 10, avoid complicated and restive steel billet refrigerating work procedure, simplification compaction process, shorten technique same period while, reduce the forging load of center compaction process and the requirement to press tonnage, can effectively improve compaction process effect, ensure forging quality, enhance productivity.
In order to disclose the technical scheme of the present invention more intuitively, highlighting the beneficial effect of the present invention, now in conjunction with concrete embodiment, the working method of described heavy forging underbead crack forging conjunction technique frock 1 and operation principle being set forth.In described detailed description of the invention, the quantity of described connecting plate 13, the type, quantity etc. of lock member 15 are only and enumerate, and should not be considered as the restriction to technical solution of the present invention.In a specific embodiment, nonrestrictively to enumerate, the quantity of described connecting plate 13 is 8.Described lock member 15 is screw.
Please continue to refer to Fig. 1 ~ Fig. 4, described heavy forging underbead crack forging closes technique frock 1 when carrying out forging and closing technique, comprises the following steps:
Perform step S1: be fixedly installed on compressor operation platform (not shown) by the described grooved fixed head 11 being positioned at lower end, the described grooved fixed head 11 being positioned at upper end be fixedly installed on press and move on beam lower plane (not shown);
Perform step S2: be positioned at the described grooved fixed head 11 of upper end under described press effect, the described compacting anvil 17 being positioned at upper end is driven from up to down to move, simultaneously by the cooperation of the madial wall 111 of described grooved fixed head 11 and the lateral wall 121 of described sidewall block 12, drive described sidewall block 12 along described first inclined-plane 122 and described second inclined-plane 123 to the inner side of described accommodation space 14 and moved beneath under the control of described connecting plate 13 and described guiding feather key 112, to clamp the blank 10 being positioned at described accommodation space 14;
Perform step S3: after one of them compaction process performs and terminates, the described grooved fixed head 11 being positioned at upper end along with described press up, matched with the lateral grooves 124 of sidewall block 12 by short section 132 of connecting plate 13 simultaneously, described sidewall block 12 is linked with described grooved fixed head 11, and upwards and move to the outside differing from described accommodation space 14 and unclamp described blank 10, and then realize upset, the feeding of blank 10, close with the underbead crack forging completing blank 10.
In sum, heavy forging underbead crack of the present invention forging close technique frock by arrange in towards grooved fixed head, and described sidewall block is set between described grooved fixed head, during underway heart compacting, do not need to cool the surface of described blank, avoid complicated and restive steel billet refrigerating work procedure, simplification compaction process, shorten technique same period while, reduce the forging load of center compaction process and the requirement to press tonnage, can effectively improve compaction process effect, ensure forging quality, enhance productivity.
Those skilled in the art all should be appreciated that, without departing from the spirit or scope of the present invention, can carry out various modifications and variations to the present invention.Thus, if when any amendment or modification fall in the protection domain of appended claims and equivalent, think that these amendment and modification are contained in the present invention.
Claims (8)
1. a technique frock is closed in the forging of heavy forging underbead crack, it is characterized in that, technique frock is closed in described heavy forging underbead crack forging, comprising:
Grooved fixed head, in " recessed " type, and the groove of described grooved fixed head is towards setting;
Sidewall block, is towards the both sides being fixedly installed on described grooved fixed head by connecting plate, and encloses with described grooved fixed head the accommodation space forming blank.
2. technique frock is closed in heavy forging underbead crack forging as claimed in claim 1, it is characterized in that, the relative inner wall of described grooved fixed head is outer inclined-plane, the lateral wall of described sidewall block is the evagination angled face formed by the first inclined-plane in horizontal center line symmetry and the second inclined-plane, and snug engagement outside the madial wall of described grooved fixed head and described sidewall block.
3. technique frock is closed in heavy forging underbead crack forging as claimed in claim 2, and it is characterized in that, the first inclined-plane of described lateral wall is equal with the inclination angle of the madial wall of described grooved fixed head with the inclination angle on the second inclined-plane.
4. technique frock is closed in heavy forging underbead crack forging as claimed in claim 2, it is characterized in that, described connecting plate is in " L " type, and the long section of described connecting plate is fixedly installed on the side at the madial wall two ends of described grooved fixed head through lock member, short section of described connecting plate chimeric is arranged in the lateral grooves at the lateral wall two ends of described sidewall block, short section of described connecting plate and be slidably matched with the lateral grooves of described sidewall block.
5. technique frock is closed in heavy forging underbead crack forging as claimed in claim 2, it is characterized in that, the lateral wall of described sidewall block is arranged along the longitudinal direction on described first inclined-plane and described second inclined-plane and slides groove, and guiding feather key is set at the madial wall of described grooved fixed head and described groove opposite position place of sliding.
6. technique frock is closed in heavy forging underbead crack forging as claimed in claim 2, it is characterized in that, the described heavy forging underbead crack forging grooved fixed head that closes technique frock arranges backing plate towards the side of described accommodation space.
7. technique frock is closed in heavy forging underbead crack forging as claimed in claim 6, it is characterized in that, the side differing from described grooved fixed head of described backing plate also arranges compacting anvil by dovetail connecting structure.
8. technique frock is closed in heavy forging underbead crack forging as claimed in claim 7, and it is characterized in that, the side contacted with blank of described compacting anvil is evagination trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399648.0A CN104289650A (en) | 2014-08-13 | 2014-08-13 | Tool for large-forge-piece internal crack forging technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399648.0A CN104289650A (en) | 2014-08-13 | 2014-08-13 | Tool for large-forge-piece internal crack forging technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104289650A true CN104289650A (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410399648.0A Pending CN104289650A (en) | 2014-08-13 | 2014-08-13 | Tool for large-forge-piece internal crack forging technology |
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| CN (1) | CN104289650A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315560A (en) * | 1969-08-16 | 1973-05-02 | Eumuco Ag Fuer Maschinenbau | Forging machine for the processing of materials |
| US4413686A (en) * | 1980-02-05 | 1983-11-08 | Waller Innovation Ab | Wedge arrangement for locking together hammerhead and anvil |
| EP2014390A1 (en) * | 2007-01-24 | 2009-01-14 | Otkryetoe Aktsionernoe Obschestvo "Tjazhpressmash" | Four-die forging device |
| CN101695735A (en) * | 2009-10-27 | 2010-04-21 | 燕山大学 | Tool for heavy forging center compaction process |
| CN201664747U (en) * | 2010-02-04 | 2010-12-08 | 上海腾辉锻造有限公司 | Drawing anvil for forging |
-
2014
- 2014-08-13 CN CN201410399648.0A patent/CN104289650A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315560A (en) * | 1969-08-16 | 1973-05-02 | Eumuco Ag Fuer Maschinenbau | Forging machine for the processing of materials |
| US4413686A (en) * | 1980-02-05 | 1983-11-08 | Waller Innovation Ab | Wedge arrangement for locking together hammerhead and anvil |
| EP2014390A1 (en) * | 2007-01-24 | 2009-01-14 | Otkryetoe Aktsionernoe Obschestvo "Tjazhpressmash" | Four-die forging device |
| CN101695735A (en) * | 2009-10-27 | 2010-04-21 | 燕山大学 | Tool for heavy forging center compaction process |
| CN201664747U (en) * | 2010-02-04 | 2010-12-08 | 上海腾辉锻造有限公司 | Drawing anvil for forging |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20150121 |