CN104801649A - Anti-bend chuck type hot forging die - Google Patents
Anti-bend chuck type hot forging die Download PDFInfo
- Publication number
- CN104801649A CN104801649A CN201510224102.6A CN201510224102A CN104801649A CN 104801649 A CN104801649 A CN 104801649A CN 201510224102 A CN201510224102 A CN 201510224102A CN 104801649 A CN104801649 A CN 104801649A
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- CN
- China
- Prior art keywords
- die
- chuck
- type hot
- forging
- shaping
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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
- B21J13/02—Dies or mountings therefor
Abstract
The invention discloses an anti-bend chuck type hot forging die. The hot forging die is characterized by comprising a lower die holder (1) and an upper die holder (6) which are used cooperatively, wherein the lower die holder (1) comprises a chuck die core (2) for clamping a workpiece to be subjected to hot forging forming; the chuck die core (2) comprises a fixed part (21), a contraction part (22) and a lower joint part (23); the bottom end of the fixed part (21) is fixedly arranged in the lower die holder (1); the contraction part (22) is integrally connected with the top end of the fixed part (21) and protrudes out of the upper surface of the lower die holder (1); the lower joint part (23) is integrally connected with the top end of the contraction part (22) and is used for connecting with the upper die holder (6); a die core cover plate (4) penetrates through the lower joint part (23) and then is lapped over the contraction part (22). The anti-bend chuck type hot forging die provided by the invention can realize batch forging forming operation of small-diameter workpieces, the forming quality is good, the production efficiency is high, and the production cost is low.
Description
Technical field
The present invention relates to a kind of anti-bending chuck type hot-forging die, particularly relate to a kind of below diameter D6, the hot-forging die of band shoulder round punch series products, belongs to hot-forging forming and manufactures field.
Background technology
In traditional path hot-forging forming manufactures, general to adopt straight rod directly to clap pressure type shaping, because diameter of work is less, presses through in journey unavoidably there will be bending, local deformation or the full phenomenon of shaping position insatiable hunger in bat.
Summary of the invention
Technical problem to be solved by this invention is, provides the workpiece of a kind of applicable below diameter D6, and anti-bending, forging molding quality is good, and shaping efficiency is high, the anti-bending chuck type hot-forging die that production cost is low.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Anti-bending chuck type hot-forging die, it is characterized in that: comprising: with the use of die shoe and upper bolster, described die shoe comprises for clamping the chuck die treating hot-forging forming workpiece, described chuck die comprises the fixed part that described die shoe inside is fixed in bottom, be connected with described fixed part top one and protrude from the contraction flow region of described die shoe upper surface and be integrally connected with described contraction flow region top and lower interface portion for being connected with described upper bolster, die cover plate is overlapped on described contraction flow region through behind described lower interface portion, described die cover plate is connected with described die shoe by contour screw, described die cover plate is also connected with described die shoe by the first spring, space is provided with between the lower surface of described die cover plate and the upper surface of described die shoe, described upper bolster comprises the shaping die locating piece be connected by the second spring with described upper bolster lower surface, shaping die is joined through sliding with described upper bolster after described shaping die locating piece, the annular groove for holding described lower interface portion is provided with between described shaping die locating piece and shaping die, the lower surface of described shaping die locating piece protrudes from described shaping die, and the lower surface center of described shaping die is provided with the die cavity for treating hot-forging forming workpiece described in holding.
Described chuck die comprises distinguish chuck type chuck die.
Described distinguish chuck type chuck die comprises the distinguish of at least 3 Vertical dimension, is provided with telescopic hole between adjacent described distinguish, and some distinguish compositions are circular.
The bottom of described fixed part is fixedly connected with described die shoe by screw thread.
The height in described space is at least 2mm.
Described cunning is joined for described shaping die upper surface is secured by bolts in described upper bolster inside.
The elasticity of described second spring is greater than the elasticity of described first spring.
Extendable room is provided with between described shaping die locating piece and described upper bolster.
The middle and lower part of described shaping die is provided with annular rib, the inwall of described shaping die locating piece is provided with the annular boss for blocking described annular rib, and the space that the lower surface of the described inwall of shaping die locating piece, the outer wall of shaping die and annular rib is formed is described annular groove.
The degree of depth of described annular groove is identical with the height in described lower interface portion.
The cross section of described die shoe is just T-shaped, and the cross section of described upper bolster is inverted T shape.
The anti-bending chuck type hot-forging die of one provided by the invention, by tapering precision-fit between chuck die and die cover plate (namely the contraction flow region of chuck die and die cover plate are overlapped on contraction flow region), in the process of cope match-plate pattern toward dip mold benevolence cover plate, die cover plate forces pressure chuck die, because of the tapering precision-fit between it, thus chuck die is tightened up, make its Workpiece clamping, after clamping work pieces, workpiece two sides will contact completely with chuck die bore area, thus distortion when preventing that it is shaping, after forming action completes, patrix is automatically raised and is left away, in die shoe back-moving spring (i.e. the first spring) effect under, die cover plate is resetted, thus chuck die resets, surface of the work and chuck die surface depart from, and then the workpiece after shaping is easily taken out, the contraction flow region of chuck die and die cover plate are overlapped on the setting on contraction flow region, achieve the tapering precision-fit between chuck die and die cover plate, i.e. chuck die clamping work pieces.The anti-bending chuck type hot-forging die of one provided by the invention, can realize the batch forging molding operation of small diameter workpiece, Forming Quality is good, and there will not be the phenomenon that workpiece bows, local deformation or the insatiable hunger of shaping position are full, and production efficiency is high, production cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is stereogram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1 and 2, anti-bending chuck type hot-forging die, it is characterized in that: comprising: with the use of die shoe 1 and upper bolster 6, described die shoe 1 comprises for clamping the chuck die 2 treating hot-forging forming workpiece, described chuck die 2 comprises the fixed part 21 that described die shoe 1 inside is fixed in bottom, be connected with described fixed part 21 top one and protrude from the contraction flow region 22 of described die shoe 1 upper surface and be integrally connected with described contraction flow region 22 top and lower interface portion 23 for being connected with described upper bolster 6, die cover plate 4 is overlapped on described contraction flow region 22 through behind described lower interface portion 23, described die cover plate 4 is connected with described die shoe 1 by contour screw 5, described die cover plate 4 is also connected with described die shoe 1 by the first spring 10, space is provided with between the lower surface of described die cover plate 4 and the upper surface of described die shoe 1, described upper bolster 6 comprises the shaping die locating piece 7 be connected by the second spring 3 with described upper bolster 6 lower surface, shaping die 8 is joined through sliding with described upper bolster 6 after described shaping die locating piece 7, the annular groove 11 for holding described lower interface portion 23 is provided with between described shaping die locating piece 7 and shaping die 8, the lower surface of described shaping die locating piece 7 protrudes from described shaping die 8, and the lower surface center of described shaping die 8 is provided with the die cavity 12 for treating hot-forging forming workpiece described in holding.
Described chuck die 2 comprises distinguish chuck type chuck die.
Described distinguish chuck type chuck die comprises the distinguish of 3 Vertical dimension, is provided with telescopic hole between adjacent described distinguish, and some distinguish compositions are circular.
The bottom of described fixed part 21 is fixedly connected with described die shoe 1 by screw thread.
The height in described space is 2mm.
Described cunning is joined for described shaping die 8 upper surface is fixed on described upper bolster 6 inside by bolt 9.
The elasticity of described second spring 3 is greater than the elasticity of described first spring 10.
Extendable room 15 is provided with between described shaping die locating piece 7 and described upper bolster 6.
The middle and lower part of described shaping die 8 is provided with annular rib 13, the inwall of described shaping die locating piece 7 is provided with the annular boss 14 for blocking described annular rib 13, and the space that the lower surface of the described inwall of shaping die locating piece 7, the outer wall of shaping die 8 and annular rib 13 is formed is described annular groove 11.
The degree of depth of described annular groove 11 is identical with the height in described lower interface portion 23.
Operating procedure of the present invention is as follows:
Step 1: the integrality and the fastness that first check each part of the present invention;
Step 2: be arranged on upper bolster 6 by shaping die 8 and shaping die locating piece 7, installs and wants firmly;
Step 3: be arranged on die shoe 1 by chuck die 2 and die cover plate 4, installs and wants firmly;
Step 4: start die trial after adjustment, sees whether each technology essential factor puts in place: 1) check chuck die 2 and whether align with the centre bore of shaping die 8; 2) empty machine trial run, specifically sees that whether all technical is desirable; 3) all technical is detected as follows: core technology of the present invention is on the chuck die 2 and die cover plate 4 of die shoe 1, by the tapering precision-fit between chuck die 2 and die cover plate 4, in the process of upper bolster 6 toward dip mold benevolence cover plate 4, die cover plate 4 forces pressure chuck die 2 to move down 2mm distance, and between it, have tapering precision-fit, thus chuck die 2 is tightened up, after forming action completes, upper bolster 6 is automatically raised and is left away, die shoe 1 is under the effect of back-moving spring, die cover plate 4 is resetted, thus chuck die 2 reset.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. anti-bending chuck type hot-forging die, it is characterized in that: comprising: with the use of die shoe (1) and upper bolster (6), described die shoe (1) comprises for clamping the chuck die (2) treating hot-forging forming workpiece, described chuck die (2) comprises bottom and is fixed on the inner fixed part (21) of described die shoe (1), be connected with described fixed part (21) top one and protrude from the contraction flow region (22) of described die shoe (1) upper surface and be integrally connected with described contraction flow region (22) top and lower interface portion (23) for being connected with described upper bolster (6), die cover plate (4) is overlapped on described contraction flow region (22) through after described lower interface portion (23), described die cover plate (4) is connected with described die shoe (1) by contour screw (5), described die cover plate (4) is also connected with described die shoe (1) by the first spring (10), space is provided with between the lower surface of described die cover plate (4) and the upper surface of described die shoe (1), described upper bolster (6) comprises the shaping die locating piece (7) be connected by the second spring (3) with described upper bolster (6) lower surface, shaping die (8) is joined through described shaping die locating piece (7) is sliding with described upper bolster (6) afterwards, the annular groove (11) for holding described lower interface portion (23) is provided with between described shaping die locating piece (7) and shaping die (8), the lower surface of described shaping die locating piece (7) protrudes from described shaping die (8), the lower surface center of described shaping die (8) is provided with the die cavity (12) for treating hot-forging forming workpiece described in holding.
2. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: described chuck die (2) comprises distinguish chuck type chuck die.
3. anti-bending chuck type hot-forging die according to claim 2, is characterized in that: described distinguish chuck type chuck die comprises the distinguish of at least 3 Vertical dimension, is provided with telescopic hole between adjacent described distinguish, and some distinguish compositions are circular.
4. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: the bottom of described fixed part (21) is fixedly connected with described die shoe (1) by screw thread.
5. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: the height in described space is at least 2mm.
6. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: described cunning is joined for described shaping die (8) upper surface is fixed on described upper bolster (6) inside by bolt (9).
7. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: the elasticity of described second spring (3) is greater than the elasticity of described first spring (10).
8. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: be provided with extendable room (15) between described shaping die locating piece (7) and described upper bolster (6).
9. anti-bending chuck type hot-forging die according to claim 1, it is characterized in that: the middle and lower part of described shaping die (8) is provided with annular rib (13), the inwall of described shaping die locating piece (7) is provided with the annular boss (14) for blocking described annular rib (13), and the space that the lower surface of the described inwall of shaping die locating piece (7), the outer wall of shaping die (8) and annular rib (13) is formed is described annular groove (11).
10. anti-bending chuck type hot-forging die according to claim 1, is characterized in that: the degree of depth of described annular groove (11) is identical with the height of described lower interface portion (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224102.6A CN104801649B (en) | 2015-05-06 | 2015-05-06 | Anti-bend chuck type hot forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224102.6A CN104801649B (en) | 2015-05-06 | 2015-05-06 | Anti-bend chuck type hot forging die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104801649A true CN104801649A (en) | 2015-07-29 |
| CN104801649B CN104801649B (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224102.6A Active CN104801649B (en) | 2015-05-06 | 2015-05-06 | Anti-bend chuck type hot forging die |
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| CN (1) | CN104801649B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959511A (en) * | 2015-07-14 | 2015-10-07 | 优德精密工业（昆山）股份有限公司 | Bending-prevention chuck type hot forging die |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221645A (en) * | 1998-02-06 | 1999-08-17 | Honda Motor Co Ltd | Forming die and its production |
| CN2882846Y (en) * | 2006-02-15 | 2007-03-28 | 北京机电研究所 | Mould changing gear of combined mould |
| CN2910412Y (en) * | 2006-06-19 | 2007-06-13 | 江阴职业技术学院 | Liquid state stamping mould for automotive main cylinder of general braking pump |
| CN201067785Y (en) * | 2007-06-22 | 2008-06-04 | 宝山钢铁股份有限公司 | Die forging device for forge piece |
| CN101920301A (en) * | 2010-09-09 | 2010-12-22 | 重庆秋田齿轮有限责任公司 | Suspension type upsetting material gathering die structure |
| CN204603181U (en) * | 2015-05-06 | 2015-09-02 | 优德精密工业（昆山）股份有限公司 | Anti-bending chuck type hot-forging die |
-
2015
- 2015-05-06 CN CN201510224102.6A patent/CN104801649B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11221645A (en) * | 1998-02-06 | 1999-08-17 | Honda Motor Co Ltd | Forming die and its production |
| CN2882846Y (en) * | 2006-02-15 | 2007-03-28 | 北京机电研究所 | Mould changing gear of combined mould |
| CN2910412Y (en) * | 2006-06-19 | 2007-06-13 | 江阴职业技术学院 | Liquid state stamping mould for automotive main cylinder of general braking pump |
| CN201067785Y (en) * | 2007-06-22 | 2008-06-04 | 宝山钢铁股份有限公司 | Die forging device for forge piece |
| CN101920301A (en) * | 2010-09-09 | 2010-12-22 | 重庆秋田齿轮有限责任公司 | Suspension type upsetting material gathering die structure |
| CN204603181U (en) * | 2015-05-06 | 2015-09-02 | 优德精密工业（昆山）股份有限公司 | Anti-bending chuck type hot-forging die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959511A (en) * | 2015-07-14 | 2015-10-07 | 优德精密工业（昆山）股份有限公司 | Bending-prevention chuck type hot forging die |
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| Publication number | Publication date |
|---|---|
| CN104801649B (en) | 2017-04-19 |
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