CN208131898U - The fine forging forming die of direction machine bolt - Google Patents

The fine forging forming die of direction machine bolt Download PDF

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Publication number
CN208131898U
CN208131898U CN201820226363.0U CN201820226363U CN208131898U CN 208131898 U CN208131898 U CN 208131898U CN 201820226363 U CN201820226363 U CN 201820226363U CN 208131898 U CN208131898 U CN 208131898U
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China
Prior art keywords
punch
pin
cavity
die
forming
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CN201820226363.0U
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Chinese (zh)
Inventor
顾成义
沈华宾
樊博闻
饶广
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JIANGSU HAIYU MACHINERY CO Ltd
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JIANGSU HAIYU MACHINERY CO Ltd
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Priority to CN201820226363.0U priority Critical patent/CN208131898U/en
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Abstract

The fine forging forming die of direction machine bolt provided by the utility model, including die cap, die holder, power rail, punch-pin, cavity plate and lever, the center of die holder is equipped with center cavity, and die cap is located at the top of die holder, cavity plate is arranged in die holder upper center, and the exterior circumferential of cavity plate is provided with cavity plate retainer plate;Punch-pin is located at the top of cavity plate, including internal punch-pin and external punch-pin, internal punch-pin is located in external punch-pin and setting coaxial with external punch-pin, the end face of internal punch-pin is in regular hexagon, external punch-pin includes first and second, second extends downwardly out four identical and mutually independent protrusions, four protrusions are evenly distributed on second end face, punch-pin positioning sleeve is equipped with around second, punch-pin positioning sleeve is fixed in fixed plate, fixed plate is fixed on punch-pin cushion block, and punch-pin cushion block is fixed on die cap;Lever is fixed on die cap, and one end of lever connects internal punch-pin, and the other end connects power rail.

Description

The fine forging forming die of direction machine bolt
Technical field
The utility model relates to technical field of forging, more particularly to a kind of fine forging forming die of direction machine bolt.
Background technique
Finish forge is exactly precision forging in fact, after precision forging refers to part forging molding, need to only process or no longer add on a small quantity Work just meets the forming technique of part requirements.Precision forging is the important component and automobile, mine of advanced manufacturing technology Widely used part manufacturing process in the industries such as mountain, the energy, building, Aeronautics and Astronautics, weapons.Precision forging not only saves material Material, the energy reduce manufacturing procedure and equipment, and significantly improve productivity and product quality, production cost are reduced, to improve The market competitiveness of product.
The relationship between quality of direction machine bolt steering wheel can rapidly, work is effectively performed, how to ensure to produce The precision and the quality of production of direction machine bolt are the particularly significant problems of automobile industry.
Summary of the invention
In view of the above technical problems, the utility model provides a kind of fine forging forming die of direction machine bolt.
The fine forging forming die of the direction machine bolt of the utility model include die holder, die cap, power rail, cavity plate, punch-pin and Lever.
The center of die holder is equipped with center cavity, and the upper end of die holder is fixed with cavity plate retainer plate and locating piece, center cavity pair The side of cavity plate retainer plate should be located in the center of cavity plate retainer plate, locating piece.
Die cap is located at the top of die holder, and punch-pin cushion block, fixed plate, punch-pin positioning sleeve, supporting element and bullet are provided on die cap Spring part, punch-pin cushion block, fixed plate and punch-pin positioning sleeve are successively installed on the lower section of die cap and three is right against cavity plate retainer plate, branch Support member and spring part are respectively arranged in the side of punch-pin cushion block and supporting element between punch-pin cushion block and spring part.
Power rail is located at the top of locating piece, is fixedly connected between power rail and die cap by spring part.
In die holder upper center, the forming cavity of cavity plate includes the first forming cavity, the second forming cavity, third molding for cavity plate setting Chamber and the 4th forming cavity, the first forming cavity, the second forming cavity, third forming cavity, the 4th forming cavity and center cavity successively penetrate through And it is coaxial, the internal diameter of the first forming cavity is maximum, and the minimum diameter of the second forming cavity is equal to the maximum inner diameter of third forming cavity, third The minimum diameter of forming cavity is equal to the internal diameter of the 4th forming cavity, and a part of the corresponding forming surface of the second forming cavity is that annular is bent Face, the corresponding forming surface of third forming cavity are annular slope, and cavity plate retainer plate is set to the exterior circumferential of cavity plate.
Punch-pin is located at the top of cavity plate, and punch-pin includes internal punch-pin and external punch-pin, and internal punch-pin is located in external punch-pin And setting coaxial with external punch-pin, the end face of internal punch-pin are in regular hexagon, external punch-pin is including first and second, first Portion is located at second top and connect with second, and first outer diameter is greater than second outer diameter, and second extends downwardly Four identical and mutually independent protrusions out, four protrusions are evenly distributed on second end face, and protrusion is located at Inclined-plane between second end face and side wall is rectangle, and fixed plate is set to around first, and punch-pin positioning sleeve is set to the Around two.
Lever is fixed on die cap by supporting element, and one end of lever connects internal punch-pin, and the other end connection of lever is dynamic Power bar.
Preferably, cavity plate and punch-pin are axially symmetric structure.
Preferably, the internal diameter of center cavity is not more than the internal diameter of the 4th forming cavity.
Preferably, the internal diameter of cavity plate retainer plate is equal to the outer diameter of cavity plate.
Preferably, punch-pin positioning sleeve includes horizontal part and vertical portion, horizontal part is located close to around first lower end, is erected Straight portion is fixed in fixed plate.Further, the internal diameter of the horizontal part of punch-pin positioning sleeve is equal to second outer diameter, fixed plate Internal diameter is equal to first outer diameter, and the internal diameter of the vertical portion of punch-pin positioning sleeve is equal to the outer diameter of fixed plate.
Preferably, the inner surface of external punch-pin is in the regular hexagon mutually agreed with internal punch-pin.
Preferably, the distance of the end face of punch-pin to the second forming cavity internal diameter maximum is greater than the end face of power rail to locating piece Distance.
Preferably, the locating piece is hydraulic cylinder.
Compared with prior art, the fine forging forming die of the direction machine bolt of the utility model, by internal punch-pin and outside The nested structure of portion's punch-pin realizes first one-step forming and the thin portion molding to blank respectively, is realized by lever to internal punch-pin thin portion Molding control, structure is simple, and design is reasonable, meanwhile, the fine forging forming die formed precision of direction machine bolt is high, material benefit With rate height, the production efficiency and product quality of product greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fine forging forming die of the direction machine bolt of an embodiment of the present invention.
Fig. 2 is that the structure of the cavity plate forming cavity of the fine forging forming die of the direction machine bolt of an embodiment of the present invention is shown It is intended to.
Fig. 3 is the structural schematic diagram of the punch-pin of the fine forging forming die of the direction machine bolt of an embodiment of the present invention.
Fig. 4 is the end view of the punch-pin of the fine forging forming die of the direction machine bolt of an embodiment of the present invention.
Structural schematic diagram when Fig. 5 is the fine forging forming die work of the direction machine bolt of an embodiment of the present invention.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment Detailed description are as follows.
Referring to Figure 1, the fine forging forming die of Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the direction machine bolt of the utility model include mould Seat 1, die cap 2, power rail 10, cavity plate 3, punch-pin 4 and lever 5.
The center of die holder 1 is equipped with center cavity 11, and the upper end of die holder 1 is fixed with cavity plate retainer plate 6 and locating piece 100, Center cavity 11 corresponds to the center of cavity plate retainer plate 6, and locating piece 100 is located at the side of cavity plate retainer plate 6.
Die cap 2 is located at the top of die holder 1, and punch-pin cushion block 9, fixed plate 8, punch-pin positioning sleeve 7, support are provided on die cap 2 Part 120 and spring part 110, lower section that punch-pin cushion block 9, fixed plate 8 and punch-pin positioning sleeve 7 are successively installed on die cap 2 and three are just For cavity plate retainer plate 6, supporting element 120 and spring part 110 is respectively arranged in the side of punch-pin cushion block 9 and supporting element 120 is located at Between punch-pin cushion block 9 and spring part 110.
Power rail 10 is located at the top of locating piece 100, is fixedly connected between power rail 10 and die cap 2 by spring part 110.
The setting of cavity plate 3 in 1 upper center of die holder, the forming cavity of cavity plate 3 include the first forming cavity 31, the second forming cavity 32, Third forming cavity 33 and the 4th forming cavity 34, the first forming cavity 31, the second forming cavity 32, third forming cavity 33, the 4th forming cavity 34 and center cavity 11 successively penetrate through and coaxial, wherein the internal diameter of the first forming cavity 31 is maximum, in the minimum of the second forming cavity 32 Diameter is equal to the maximum inner diameter of third forming cavity 33, and the minimum diameter of third forming cavity 33 is equal to the internal diameter of the 4th forming cavity 34, the A part of the corresponding forming surface of two forming cavity 32 is annular surface, and the corresponding forming surface of third forming cavity 33 is annular slope, Cavity plate retainer plate 6 is set to the exterior circumferential of cavity plate 3.In a preferred embodiment, the internal diameter of center cavity 11 is not more than the 4th The internal diameter of forming cavity 34 ejects in order to form forging from forming cavity;The internal diameter of cavity plate retainer plate 6 is equal to the outer diameter of cavity plate 3, It is stronger with the fixation to cavity plate 3.
Punch-pin 4 is located at the top of cavity plate 3, and punch-pin 4 includes internal punch-pin 41 and external punch-pin 42, and internal punch-pin 41 is located at outer In portion's punch-pin 42 and setting coaxial with external punch-pin 42, the end face of internal punch-pin 41 is in regular hexagon, and external punch-pin 42 includes the One 421 and second 422, first 421 is located at second 422 top and connect with second 422, first 421 Outer diameter is greater than second 422 outer diameter, and second 422 extends downwardly out four identical and mutually independent protrusions 423, and four Protrusion 423 is evenly distributed on second 422 end face, between the end face for being located at second 422 of protrusion 423 and side wall Inclined-plane be rectangle, fixed plate 8 is set to around first 421, and punch-pin positioning sleeve 7 is set to around second 422.It is excellent one In the embodiment of choosing, punch-pin positioning sleeve 7 includes horizontal part 72 and vertical portion 71, and horizontal part 72 is located close under first 421 Around end, vertical portion 71 is fixed in fixed plate 8.Further, the internal diameter of the horizontal part 72 of punch-pin positioning sleeve 7 is equal to second 422 outer diameter, the internal diameter of fixed plate 8 are equal to first 421 outer diameter, and the internal diameter of the vertical portion 71 of punch-pin positioning sleeve 7 is equal to solid The outer diameter of fixed board 8, it is stronger with the fixation to external punch-pin 42.
Lever 5 is fixed on die cap 2 by supporting element 120, and one end of lever 5 connects internal punch-pin 41, lever 5 it is another End connection power rail 10.
Preferably, cavity plate 3 and punch-pin 4 are axially symmetric structure.
Preferably, the inner surface of external punch-pin 42 is in the regular hexagon agreed with internal 41 phase of punch-pin.
Preferably, the end face that the distance of the end face of punch-pin 4 to 32 internal diameter maximum of the second forming cavity is greater than power rail 10 is arrived The distance of locating piece 100.
In actual use, in no external force, internal punch-pin 41 is coplanar with the external end face of punch-pin 42;Locating piece 100 On the one hand it is used for the contraposition of die cap 2, on the other hand for providing active force to power rail 10;Exist in fixed plate 8 and is worn for lever 5 The hole or gap crossed.
The course of work:Under original state, internal punch-pin 41 is coplanar with the external end face of punch-pin 42, and blank is put into cavity plate 3 After in forming cavity, die cap 2 drives punch-pin 4 to be pressed down against blank under the action of press machine, since the end face of punch-pin 4 is to the second one-tenth The distance of 32 internal diameter maximum of type chamber is greater than the end face of power rail 10 to the distance of locating piece 100, when power rail 10 and locating piece When contact, the end face of punch-pin 4 is not contacted with blank, and under the action of press machine, locating piece 100 generates work to power rail 10 Spring part 110 is firmly caused to be compressed, according to lever principle, internal punch-pin 41 will be by downward active force, internal punch-pin 41 The end face that external internal model 42 is protruded under the active force, press machine continue effect under, internal punch-pin 41 is at the top of blank The groove of regular hexagon is squeezed out, four protrusions 423 squeeze out edge groove at the edge of blank, while blank is in cavity plate 3 Second and third, be squeezed out corresponding shape in four forming cavities.
In another embodiment of the utility model, locating piece 100 or hydraulic cylinder directly apply power rail 10 Active force.
The fine forging forming die of the direction machine bolt of the utility model passes through the nested structure of internal punch-pin and external punch-pin First one-step forming and the thin portion molding to blank are realized respectively, are realized by lever to the internal molding control of punch-pin thin portion, structure Simply, design is reasonable, meanwhile, the fine forging forming die formed precision of direction machine bolt is high, and stock utilization is high, greatly improves The production efficiency and product quality of product.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.

Claims (9)

1. a kind of fine forging forming die of direction machine bolt, it is characterised in that including:
The center of die holder, the die holder is equipped with center cavity, and the upper end of the die holder is fixed with cavity plate retainer plate and locating piece, The center cavity corresponds to the center of the cavity plate retainer plate, and the locating piece is located at the side of the cavity plate retainer plate;
Die cap, the die cap are located at the top of the die holder, and punch-pin cushion block, fixed plate, punch-pin positioning are provided on the die cap Set, supporting element and spring part, the punch-pin cushion block, the fixed plate and the punch-pin positioning sleeve are successively installed on the die cap Lower section and three are right against the cavity plate retainer plate, and the supporting element and the spring part are respectively arranged in the punch-pin cushion block The side and supporting element is between the punch-pin cushion block and the spring part;
Power rail, the power rail are located at the top of the locating piece, pass through the bullet between the power rail and the die cap Spring part is fixedly connected;
Cavity plate, the cavity plate setting include the first forming cavity, the second one-tenth in the die holder upper center, the forming cavity of the cavity plate Type chamber, third forming cavity and the 4th forming cavity, first forming cavity, the second forming cavity, third forming cavity, the 4th forming cavity with And center cavity successively penetrates through and coaxial, the internal diameter of first forming cavity is maximum, and the minimum diameter of second forming cavity is equal to The maximum inner diameter of the third forming cavity, the minimum diameter of the third forming cavity are equal to the internal diameter of the 4th forming cavity, institute The a part for stating the corresponding forming surface of the second forming cavity is annular surface, and the corresponding forming surface of the third forming cavity is circular slanting Face, the cavity plate retainer plate are set to the exterior circumferential of the cavity plate;
Punch-pin, the punch-pin are located at the top of the cavity plate, and the punch-pin includes internal punch-pin and external punch-pin, and the inside is convex Mould is located in the external punch-pin and setting coaxial with the outside punch-pin, and the end face of the internal punch-pin is in regular hexagon, institute State external punch-pin include first and second, the first position in second top and with second company Connect, first outer diameter be greater than second outer diameter, described second extend downwardly out four it is identical and mutually solely Vertical protrusion, four protrusions are evenly distributed on second end face, and the protrusion is located at described second End face and side wall between inclined-plane be rectangle, the fixed plate is set to described around first, and the punch-pin positioning is arranged It is placed in around described second;And
Lever, the lever are fixed on the die cap by the supporting element, and it is convex that one end of the lever connects the inside The other end of mould, the lever connects the power rail.
2. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the cavity plate and the punch-pin It is axially symmetric structure.
3. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the internal diameter of the center cavity is not Greater than the internal diameter of the 4th forming cavity.
4. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the cavity plate retainer plate it is interior Diameter is equal to the outer diameter of the cavity plate.
5. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the punch-pin positioning sleeve includes Horizontal part and vertical portion, the horizontal part are located close to around first lower end, and the vertical portion is fixed on described solid On fixed board.
6. the fine forging forming die of direction machine bolt as claimed in claim 5, it is characterised in that the water of the punch-pin positioning sleeve The internal diameter in flat portion is equal to second outer diameter, and the internal diameter of the fixed plate is equal to first outer diameter, the punch-pin The internal diameter of the vertical portion of positioning sleeve is equal to the outer diameter of the fixed plate.
7. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the interior table of the external punch-pin Face is in the regular hexagon mutually agreed with the internal punch-pin.
8. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the end face of the punch-pin to institute The distance for stating the second forming cavity internal diameter maximum is greater than the end face of the power rail to the distance of the locating piece.
9. the fine forging forming die of direction machine bolt as described in claim 1, it is characterised in that the locating piece is hydraulic cylinder.
CN201820226363.0U 2018-02-08 2018-02-08 The fine forging forming die of direction machine bolt Active CN208131898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820226363.0U CN208131898U (en) 2018-02-08 2018-02-08 The fine forging forming die of direction machine bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820226363.0U CN208131898U (en) 2018-02-08 2018-02-08 The fine forging forming die of direction machine bolt

Publications (1)

Publication Number Publication Date
CN208131898U true CN208131898U (en) 2018-11-23

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Application Number Title Priority Date Filing Date
CN201820226363.0U Active CN208131898U (en) 2018-02-08 2018-02-08 The fine forging forming die of direction machine bolt

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108380805A (en) * 2018-02-08 2018-08-10 江苏海宇机械有限公司 The fine forging forming die of direction machine bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108380805A (en) * 2018-02-08 2018-08-10 江苏海宇机械有限公司 The fine forging forming die of direction machine bolt
CN108380805B (en) * 2018-02-08 2023-11-24 江苏海宇机械有限公司 Precision forging forming die for steering gear bolt

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