CN106391970A - Convex-concave assembling structure of jaw body and jaw insert - Google Patents
Convex-concave assembling structure of jaw body and jaw insert Download PDFInfo
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- CN106391970A CN106391970A CN201610158670.5A CN201610158670A CN106391970A CN 106391970 A CN106391970 A CN 106391970A CN 201610158670 A CN201610158670 A CN 201610158670A CN 106391970 A CN106391970 A CN 106391970A
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- Prior art keywords
- jaw
- insert
- jaw insert
- convex
- fixing
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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
- B21J13/08—Accessories for handling work or tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Forging (AREA)
Abstract
The invention discloses a convex-concave assembling structure of a jaw body and a jaw insert. The structure comprises the jaw body, the jaw insert and a micro-adjustment bolt; the convex portion and the concave portion of the jaw body correspond to the concave portion and the convex portion of the jaw insert correspondingly, and the micro-adjustment bolt is rotated in a micro-adjustment threaded hole in the jaw body to fasten the jaw insert with micro force. The convex-concave assembling structure is simple in structure, the round bar is simple in clamping process, the jaw insert fixed mounting process is simple, the efficiency is high, reliability is high, the service life of the jaw body and the jaw insert is long, the cost is low, and the problem that a jaw body and a jaw insert of an existing horizontal electric heating upsetting machine are not likely to be fixedly assembled, and the service life of the jaw body and the jaw insert is low is effectively solved.
Description
Technical field
The invention belongs to technical field of forging, it is related to the convex-concave assembling structure of a kind of jaw body and jaw insert.
Background technology
The series horizontal electric upset forging machine such as existing D91, D92, D93 (hereinafter referred to as electric upset forging machine) is to complete 1 round steel simultaneously
Bar one end local heating and the forging equipment assembling 2 work steps of jumping-up, electric upset forging round bar diameter specifications are φ 5.0mm~φ
35.0mm, electric upset forging round bar minimum length should be greater than jaw insert width or jaw body length size (jaw insert width or
Jaw body length is essentially identical, generally 70mm~92mm).
Before electric upset forging machine work, jaw insert is securely fitted on jaw body, and round bar is inlayed in jaw by clamping
On block.Jaw body is made up of matrix cavity and fastening bolt two parts, jaw insert only by one ingredient of fixing lug boss,
In jaw body fixing assembling jaw insert, rely primarily on and increase the vertical fastening force fixing assembling pincers that 2 fastening bolts produce
Mouth insert.
Shown in reference picture 1a to Fig. 3 b, the assembling structure of existing jaw body and jaw insert is clearly present following shortcoming:①
Jaw body is difficult fixing assembling jaw insert, or serviceability extremely unstable:Because of existing jaw body unreasonable structure, in fixing dress
Join and inside the cavity floor of jaw body of jaw insert part, also there are longitudinal left and right 2 φ 10mm, horizontal 1 φ 10mm
Turnover cooling water pipeline, just also has above the Blind locating holes of 1 φ 50mm × 17mm and jaw body cavity on rear side of cavity floor
Projection also has 1 or 2 M12mm fastening thread holes, and jaw body and jaw insert material are that hardness is relatively low, using strong
Spend the combined influence of many unfavorable factors such as relatively low T1 or T2 red copper, then easily lead to existing fastening bolt fastening to loosen, clamp
Mouth insert opposed jaws body moves left and right or shifts and cisco unity malfunction, and fixed installation is extremely inefficient, and (every clamping heats φ
The cold drawn steel of 16mm~φ 27mm and hot-rolled steel round bar respectively about 200~250 and 40~60 when then must be by strength
Screw fastening bolt and retighten jaw insert);2. existing jaw body service life is low:Every clamping heating φ 16mm~φ
The cold drawn steel of 27mm and hot-rolled steel round bar respectively about 15~160,000 and 3~40,000 when, because easily produce abrasion, bending with
Deformation failure and scrap;3. the fastening bolt holes service life on existing jaw body is low:Every clamping heating φ 16mm~φ 27mm
Cold drawn steel and hot-rolled steel round bar respectively about 2500~4000 and 500~800 when produce deformed threads, abrasion and tired
The phenomenon of labor cracking failure, the service life for improving 2 M12mm screwed holes has to increase screwed hole size, constantly will
Screwed hole more reduces the use intensity of jaw body again after increasing to M22mm;4. existing jaw insert service life is low:Often
Clamping heat the cold drawn steel of φ 16mm~φ 27mm and hot-rolled steel round bar respectively about 1200~1500 and 300~350 when
Because easily produce abrasion, bending with deformation failure and scrap.
Content of the invention
(1) goal of the invention
The purpose of the present invention is:Overcome defect of the prior art, the convex-concave dress of a kind of jaw body and jaw insert is provided
Distribution structure, effectively solving jaw body is difficult the difficult problem of fixing assembling jaw insert and effectively solving jaw body and jaw insert makes
A difficult problem with short life.
(2) technical scheme
In order to solve above-mentioned technical problem, the present invention provides the convex-concave assembling structure of a kind of jaw body and jaw insert, its
Including:Jaw body, jaw insert and trimming bolt, wherein jaw body are convex, recess corresponds to jaw insert concave, convex part respectively,
Trimming bolt screws in the fine setting screwed hole 3 micro- power fastening jaw insert opening up on jaw body.
Wherein, described jaw body includes fixing lug boss 1, fixing cavity 2 and fine setting screwed hole 3, and fixing lug boss 1 is located at fixes
The upper and lower of the intermediate symmetry of cavity 2, is laterally zygomorphic rectangular structure, with jaw insert length × depth × thickness cavity knot
Structure matches;Fixing cavity 2 is located at the part beyond the fixing lug boss 1 in the middle of jaw body, is laterally zygomorphic left and right two parts
Curved cavity, the convex-concave structure of fixing cavity is matched with the concaveconvex structure of jaw insert respectively, for fixing assembling jaw edge
Block with prevent jaw insert before and after with move left and right or shift;Fine setting screwed hole 3 is located in fixing lug boss 1 and fixing cavity 2
Trimming bolt can be screwed in and realize micro- power fastening in screwed hole by the middle in portion.
Wherein, the combinative structure that described fine setting screwed hole 3 is made up of the entrance hole on top and the screwed hole of bottom, imports
Hole is used for importing trimming bolt, and screwed hole is used for screwing in trimming bolt and micro- power fastening jaw insert.
Wherein, described jaw insert includes being fixed cavity 4 and by fixing lug boss 5, by fixing cavity 4 and fixing lug boss 1
Match, matched with fixing cavity 2 by fixing lug boss 5.
(3) beneficial effect
Jaw body and the convex-concave assembling structure of jaw insert that technique scheme is provided, structure is simple, and round bar fills
Clip process is simple, and jaw insert fixed installation process is simple, efficiency high, reliability height, jaw body and jaw insert service life
Height, low cost, efficiently solve existing horizontal electric upset forging machine jaw body and be difficult fixing assembling jaw insert and jaw body and pincers
The low difficult problem of mouth insert service life.
Brief description
Fig. 1 a is the front view of existing jaw body;
Fig. 1 b is the left view of Fig. 1 a;
Fig. 2 a is the front view of existing jaw insert;
Fig. 2 b is the left view of Fig. 1 a;
Fig. 3 a is that the assembling front view of existing jaw body and jaw insert (will heat after representing clamping at double dot dash line
Round bar, the P with arrow represents the direction of round bar upsetting jacking force);
Fig. 3 b is the left view of Fig. 3 a;
Fig. 4 a is the front view (containing fixing lug boss 1, fixing cavity 2 and fine setting screwed hole 3) of the jaw body of the present invention;
Fig. 4 b is the left view of Fig. 4 a;
Fig. 5 a is the front view (containing by fixing lug boss 5 with by fixing cavity 4) of the jaw insert of the present invention;
Fig. 5 b is the left view of Fig. 5 a;
Fig. 6 a is the jaw body of the present invention and the assembling front view of jaw insert (containing fixing lug boss 1, fixes cavity 2 and
After fine setting screwed hole 3, trimming bolt and clamping will electric upset forging the round bar being represented with double dot dash line, with the P table of arrow
Show the direction of round bar upsetting jacking force);
Fig. 6 b is the left view of Fig. 6 a.
Specific embodiment
For making the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, the tool to the present invention
Body embodiment is described in further detail.
Shown in reference picture 6a and Fig. 6 b, the convex-concave assembling structure of the present embodiment jaw body and jaw insert include jaw body,
Jaw insert and three ingredients of trimming bolt, wherein jaw body are convex, recess corresponds to jaw insert concave, convex part respectively, micro-
Bolt is adjusted to screw in fine setting screwed hole 3 micro- power fastening jaw insert.
Described jaw body includes fixing lug boss 1, fixing cavity 2 and fine setting 3 three key components of screwed hole, structure letter
List is compact and use intensity is enough, and wherein fixing lug boss 1 is located at the upper and lower of the intermediate symmetry of the fixing cavity 2 of jaw body,
For laterally zygomorphic rectangular structure, match with jaw insert length × depth × thickness cavity, can effective fixing assembling jaw insert
With prevent jaw insert before and after with move left and right or shift;Fixing cavity 2 is located at beyond the fixing lug boss 1 in the middle of jaw body
Part, is laterally zygomorphic left and right two parts curved cavity, the convex-concave structure concavo-convex knot with jaw insert respectively of fixing cavity
Structure matches, for fixing assembling jaw insert with prevent jaw insert before and after with move left and right or shift;Fine setting screwed hole 3
Positioned at the middle of fixing lug boss 1 and fixing cavity 2 top, trimming bolt can be screwed in and in screwed hole, realize micro- power fastening.
In the present embodiment, jaw body fixing lug boss 1 be laterally zygomorphic length × height × depth a size of 58mm × (52-35)/
The rectangular structure (see Fig. 4 a) of 2mm × 20mm, with jaw insert length × depth × thickness cavity size 59mm × (50-34)/2mm ×
25mm matches (see Fig. 5 a);Fixing lug boss 1 size is less but use intensity is enough, has fixing dress with left and right directions in front and back
Join the effect of jaw insert;When being operated after fixing assembling jaw insert, can not be inlayed in jaw by electric upset forging machine jacking cylinder
In block groove, the impact of upsetting tip circle bar thrust is it is not required that lean on trimming bolt regular jaw insert, you can effectively prevent jaw
Insert before and after and move left and right or shift, meanwhile, jaw body does not bend and deforms, jaw insert bend small with deflection.
The fixing cavity 2 of jaw body is laterally zygomorphic length × height × depth a size of (92-58)/2mm × 52mm × 20mm's
Left and right two parts curved cavity (see Fig. 4 a and Fig. 4 b), the convex-concave structure concaveconvex structure with jaw insert respectively of fixing cavity 2
Match (see Fig. 5 a), has the effect accommodating with fixing assembling jaw insert;After jaw insert is by fixing assembling, neither it is subject to
In jaw insert groove, the impact of upsetting tip circle bar thrust, also fixes not against trimming bolt, you can effectively prevent jaw from inlaying
Block before and after and move left and right or shift, meanwhile, jaw body and jaw insert bending minimum with deflection.
Jaw body fine setting screwed hole 3 is to be by 1 topEntrance hole and bottom be M12mm ×
The combinative structure (see Fig. 4 a) of 25mm screwed hole composition, whereinEntrance hole has to be easy to import fine setting spiral shell
The effect of bolt, M12mm × 25mm screwed hole has the effect screwing in trimming bolt and micro- power fastening jaw insert, and therefore, 1 micro-
Adjust bolt to screw in 1 fine setting screwed hole 3 and micro- power can fasten jaw insert, you can effectively prevent the movable of jaw insert
Or shift and meet the requirement of serviceability.
Described jaw insert includes being fixed cavity 4 and is formed (see Fig. 5 a) by fixing lug boss 5 two parts, jaw insert
Concave, convex part corresponds to that jaw body is convex, recess divides (see Fig. 3 a) respectively, that is, jaw insert fixed cavity 4 and jaw body fix convex
Platform 1 part matches, and jaw insert is matched by fixing cavity 2 part of fixing lug boss 5 part and jaw body, can effectively prevent from clamping
Before and after mouthful insert with move left and right or shift, can effectively be fixedly installed in jaw body.In the present embodiment, by fixing cavity
4 is the curved cavity of laterally zygomorphic length × depth × thickness a size of 59mm × (50-34)/2mm × 25mm, by fixing lug boss 5 is
Left and right two parts boss structure of laterally zygomorphic length × width x thickness a size of (90-59)/2mm × 50mm × 25mm, can be effective
It is fixedly installed in jaw body.
Shown in reference picture 4a and Fig. 4 b, described trimming bolt screws in fine setting screwed hole and can achieve micro- power fastening jaw edge
Block, the specification of the present embodiment trimming bolt is M12mm × 50mm, and trimming bolt is matched with jaw body fine setting screwed hole 3 and is connected
And realize micro- power fastening, can effectively prevent the movable of jaw insert or shift.
The fixing assembling step of the convex-concave assembling structure of the jaw body of the present invention and jaw insert is as follows:By jaw insert
Concaveconvex structure (see Fig. 5 a) is placed directly within the convex-concave structure of corresponding jaw body (see Fig. 4 a), then by jaw insert slightly to the left
Movement makes the left surface of right projection of jaw insert fit completely with the right flank of the right projection of fixing lug boss 1, finally
Again the trimming bolt of specification M12mm × 50mm is screwed in carry out in fine setting screwed hole 3 micro- power fastening (with consolidated as shown in Figure 5 a
Determine boss 5 upper concavity slightly to contact), ultimately form by jaw body, jaw insert and trimming bolt and will electricity
The jaw body of hot upsetting round bar composition and the convex-concave assembling structure (see Fig. 6 a and Fig. 6 b) of jaw insert.
By technique scheme as can be seen that the present invention has following distinguishing feature:
(1) two difficult problems are efficiently solved:One is the difficult problem that effectively solving jaw body is difficult fixing assembling jaw insert, two
It is effectively solving jaw body and the short difficult problem of jaw insert service life.
(2) effectively increase the fixing assembling efficiency of jaw insert:Improve jaw insert at least 15 times of efficiency of fixed installation
More than, that is, by existing every clamping heat cold drawn steel and hot-rolled steel round bar respectively about 200~250 and 40~60 when then necessary
The every clamping being fixed till now by screwing fastening bolt heats round bar and reaches pact during jaw insert service life
Just it is fixed installation when 3000~3750 and 750~900, only need in other words fix in jaw insert service life
Install 1 time.
(3) effectively increase the service life of jaw body and jaw insert:Wherein improve jaw body service life at least 5
Times, that is, by existing every clamping heat cold drawn steel and hot-rolled steel round bar respectively about 15~160,000 and 3~40,000 when scrap point
Do not bring up to about 45~800,000 and 15~200,000 just to scrap;Wherein improve at least 2.5 times of jaw insert service life, that is, by
Existing every clamping heating cold drawn steel and hot-rolled steel round bar respectively about 1200~1500 and 300~350 when scrap and distinguish
Bring up to about 3000~3750 and 750~900 just scrap.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement can also be made and deform, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (4)
1. the convex-concave assembling structure of a kind of jaw body and jaw insert is it is characterised in that include:Jaw body, jaw insert and micro-
Tune bolt, wherein jaw body are convex, recess corresponds to jaw insert concave, convex part respectively, and trimming bolt screws in and opens up on jaw body
Fine setting screwed hole (3) micro- power fastening jaw insert.
2. the convex-concave assembling structure of jaw body as claimed in claim 1 and jaw insert is it is characterised in that described jaw body bag
Include fixing lug boss (1), fixing cavity (2) and fine setting screwed hole (3), fixing lug boss (1) is located at the intermediate symmetry of fixing cavity (2)
Upper and lower, be laterally zygomorphic rectangular structure, match with jaw insert length × depth × thickness curved cavity;Anchor
Chamber (2) is located at the part beyond the fixing lug boss (1) in the middle of jaw body, is laterally zygomorphic left and right two parts curved cavity, Gu
The convex-concave structure determining cavity is matched with the concaveconvex structure of jaw insert, respectively for fixing assembling jaw insert to prevent jaw
Insert before and after with move left and right or shift;Fine setting screwed hole (3) is located in fixing lug boss (1) and fixing cavity (2) top
Between locate, trimming bolt can screw in and in screwed hole, realize the fastening of micro- power.
3. the convex-concave assembling structure of jaw body as claimed in claim 2 and jaw insert is it is characterised in that described fine setting screw thread
The combinative structure that hole (3) is made up of the entrance hole on top and the screwed hole of bottom, entrance hole is used for importing trimming bolt, screw thread
Hole is used for screwing in trimming bolt and micro- power fastening jaw insert.
4. the convex-concave assembling structure of jaw body as claimed in claim 2 and jaw insert is it is characterised in that described jaw insert
Including being fixed cavity (4) and by fixing lug boss (5), matched with fixing lug boss (1) by fixing cavity (4), by fixing lug boss
(5) match with fixing cavity (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610158670.5A CN106391970B (en) | 2016-03-18 | 2016-03-18 | The convex-concave assembling structure of jaw body and jaw insert |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610158670.5A CN106391970B (en) | 2016-03-18 | 2016-03-18 | The convex-concave assembling structure of jaw body and jaw insert |
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CN106391970A true CN106391970A (en) | 2017-02-15 |
CN106391970B CN106391970B (en) | 2019-01-01 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733873A (en) * | 1970-06-05 | 1973-05-22 | Hatebur Ag F B | Method of and apparatus for compression forging of components |
SU528991A1 (en) * | 1975-06-12 | 1976-09-25 | Stamp for upsetting bulges at the ends of pipes | |
JPS58176042A (en) * | 1982-04-07 | 1983-10-15 | Kansai Tekko Kk | Die of horizontal press |
US4473738A (en) * | 1981-10-05 | 1984-09-25 | Dayton Superior Corporation | Method and apparatus for hot forming a polygonal head on a snap tie rod |
RU2014936C1 (en) * | 1990-10-10 | 1994-06-30 | Акционерное общество "Пермские моторы" | Method of electric upsetting of end thickened portions of rod blanks |
JPH09285836A (en) * | 1996-04-23 | 1997-11-04 | Fuji Oozx Inc | Electrode device for electric forging machine |
KR20100091731A (en) * | 2009-02-11 | 2010-08-19 | 삼미금속 주식회사 | Device for electrical upset |
CN102049458A (en) * | 2009-10-30 | 2011-05-11 | 郑州市地幔科技有限公司 | Extrusion molding method and equipment for integrated heavy drill rod and square drill rod |
-
2016
- 2016-03-18 CN CN201610158670.5A patent/CN106391970B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733873A (en) * | 1970-06-05 | 1973-05-22 | Hatebur Ag F B | Method of and apparatus for compression forging of components |
SU528991A1 (en) * | 1975-06-12 | 1976-09-25 | Stamp for upsetting bulges at the ends of pipes | |
US4473738A (en) * | 1981-10-05 | 1984-09-25 | Dayton Superior Corporation | Method and apparatus for hot forming a polygonal head on a snap tie rod |
JPS58176042A (en) * | 1982-04-07 | 1983-10-15 | Kansai Tekko Kk | Die of horizontal press |
RU2014936C1 (en) * | 1990-10-10 | 1994-06-30 | Акционерное общество "Пермские моторы" | Method of electric upsetting of end thickened portions of rod blanks |
JPH09285836A (en) * | 1996-04-23 | 1997-11-04 | Fuji Oozx Inc | Electrode device for electric forging machine |
KR20100091731A (en) * | 2009-02-11 | 2010-08-19 | 삼미금속 주식회사 | Device for electrical upset |
CN102049458A (en) * | 2009-10-30 | 2011-05-11 | 郑州市地幔科技有限公司 | Extrusion molding method and equipment for integrated heavy drill rod and square drill rod |
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CN106391970B (en) | 2019-01-01 |
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Inventor after: Li Zhiguang Inventor after: Zhang Jian Inventor after: Li Quanping Inventor after: Gao Shan Inventor after: Yin Guohua Inventor before: Li Zhiguang Inventor before: Li Quanping Inventor before: Zhang Jian Inventor before: Gao Shan Inventor before: Yin Guohua |
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GR01 | Patent grant |