CN209407318U - A kind of hot forged mould of sliding tooth block - Google Patents
A kind of hot forged mould of sliding tooth block Download PDFInfo
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- CN209407318U CN209407318U CN201920073717.7U CN201920073717U CN209407318U CN 209407318 U CN209407318 U CN 209407318U CN 201920073717 U CN201920073717 U CN 201920073717U CN 209407318 U CN209407318 U CN 209407318U
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Abstract
The utility model discloses a kind of hot forged moulds of sliding tooth block, including shaping mold cavity, shaping mold cavity is divided into blocking die cavity and finish-forging die cavity, blocking die cavity and finish-forging die cavity parallel arrangement, blocking die cavity and finish-forging die cavity geomery are close, blocking die cavity is compared with finish-forging die cavity depth 1-2mm, metal flow amount when reducing finish-forging, to mitigate the abrasion of finish-forging type chamber；Corresponding circular arc amendment is all done between blocking die cavity and finish-forging die cavity and bridge portion, facilitate mould filling and is easy to forging depanning, it may insure that the flank of tooth has after finish-forging trimming and enough face section directly, the utility model arranges to forging using horizontal forging technology, two-chamber, reaming mode base available in this way, transfer is not easy to clamp between solving work step, four, both ends wedge angle position easily occurs that forging is discontented and the problems such as there are the temperature difference at blank both ends, cancels the machining of disc plane, can improve production efficiency by a relatively large margin.Using continuous casting material, material cost is reduced.
Description
Technical field
The utility model relates to hot forged mould technical field, specially a kind of hot forged mould of sliding tooth block.
Background technique
Sliding tooth block be engineering machinery walking driving part, use condition is extremely severe, to tensile strength, yield strength,
The mechanical performance index such as impact flexibility, hardness and wearability require very high.Current sliding tooth block has to be produced using Technology of Steel Castings
It is produced with forging technology, two kinds of techniques have respective shortcoming, specifically have the following problems: casting technique production: production
Harmful smoke and antiquated sand are generated in the process.Production efficiency is lower；Casting surface the defects of there are stomatas, sand holes, water-tenacity treatment produce
Raw crizzle at；For fatigue crack source, easily lead to low stress brittle fracture；Under alternate load effect, cast-internal
Miniature hole, slag inclusion position will form stress concentration, occur brittle fracture；Machining allowance is big, needs to carry out roughing and finishing
Work two procedures.Forging technology production: forging technology produces sliding tooth block, and there are two types of modes, and one is vertical forgings, and one is sleeping forgings.
The tooth block product of vertical forging process, due to the technique requirement of draft, the machining allowance at disc position is larger, disc position
Mounting plane and positioning convex platform need to guarantee precision by machining.For tooth blocks more than five teeth, both ends segmentation forging is even more needed
It makes, profile accuracy is not easy to guarantee；Three work steps of sleeping forging sliding tooth block forging molding point, i.e. bending card pressure, blocking and finish-forging.Card pressure
With the blank shape very irregular after blocking, transfer is that clamping blank is very inconvenient between work step, four, both ends corner when finish-forging
It is discontented that forging easily occurs in position.Sliding tooth block materials length more than five teeth is longer, and the temperature difference easily occur in both ends when intermediate frequency is diathermanous, cold after forging
But after-contraction is different, the problems such as profile accuracy error occurs.
Utility model content
The purpose of this utility model is to provide a kind of hot forged moulds of sliding tooth block, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of hot forged mould of sliding tooth block, packet
Shaping mold cavity is included, the shaping mold cavity is divided into blocking die cavity and finish-forging die cavity, the blocking die cavity and finish-forging die cavity parallel arrangement,
The blocking die cavity is than finish-forging die cavity depth 1-2mm.
It preferably, further include edger, the edger includes cope plate and lower plate, and setting is convex on the inside of the cope plate
Nitrogen gas spring is installed in mould, lower plate upper end two sides respectively, and backing-out punch bottom plate, the top is arranged in the nitrogen gas spring upper surface
Cavity plate corresponding with punch-pin is arranged in device bottom plate upper end out, and the lower plate upper surface is equipped with cavity plate column, and the cavity plate is vertical
Column upper end and cavity plate lower end face contact, place press forging between the punch-pin and cavity plate.
Preferably, the press forging is using oval ring billet.
Preferably, corresponding circular arc amendment is all done between the blocking die cavity and finish-forging die cavity and bridge portion.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model arranges to forging using horizontal forging technology, two-chamber, reaming mode base available in this way,
Transfer is not easy to clamp between solving work step, and four, both ends wedge angle position forging easily occurs and is discontented with and the problems such as there are the temperature difference at blank both ends,
The machining for cancelling disc plane, can improve production efficiency by a relatively large margin.Using continuous casting material, material cost is reduced.
(2) the utility model blocking cavity design and finish-forging cavity dimension are close, and metal flow is few when finish-forging, die wear
It is small, do not have to correction, realizes that disc plane and positioning cambered surface are not processed；It effectively solves four, forging both ends wedge angle position and lacks asking for material
Topic；In addition, forging temperature is uniform after trimming, handled using immediate quenching, reduces energy consumption.
Detailed description of the invention
Fig. 1 is the utility model top view；
Fig. 2 is the utility model edger structural schematic diagram；
Fig. 3 is the utility model press forging top view.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of hot forged mould of sliding tooth block, including at
Pattern chamber 1, the shaping mold cavity 1 divide for blocking die cavity 2 and finish-forging die cavity 3, the blocking die cavity 2 and 3 parallel of finish-forging die cavity
Cloth, the blocking die cavity 2 is than 3 depth 1-2mm of finish-forging die cavity；Corresponding circular arc is all done between blocking die cavity 2 and finish-forging die cavity 3 and bridge portion
Amendment facilitates and mould filling and is easy to forging depanning, may insure that the flank of tooth has after finish-forging trimming and enough faces section directly.This is practical
Novel blocking cavity design and finish-forging cavity dimension are close, and metal flow is few when finish-forging, and die wear is small, does not have to correction, realizes
Disc plane and positioning cambered surface are not processed；Effectively solve the problems, such as that four, forging both ends wedge angle position lacks material；In addition, being forged after trimming
Part temperature is uniform, is handled using immediate quenching, reduces energy consumption.
It further include edger in the utility model, the edger includes cope plate 4 and lower plate 5, the cope plate 4
Punch-pin 6 is arranged in inside, and nitrogen gas spring 7,7 upper surface of nitrogen gas spring setting top are installed in the 5 upper end two sides of lower plate respectively
Cavity plate 9 corresponding with punch-pin 6 is arranged in device bottom plate 8 out, 8 upper end of backing-out punch bottom plate, and 5 upper surface of lower plate is equipped with recessed
Mould column 10, and 10 upper end of cavity plate column and 9 lower end face contact of cavity plate, place press forging between the punch-pin 6 and cavity plate 9
11.Forging moves on edger after finish-forging, and the backing-out punch die cavity by liftout plate top positions, and slide block down contacts forging Shi Yuding
Device compresses forging under the effect of liftout plate lower part nitrogen gas spring out, and sliding block continues traveling downwardly excision overlap, in nitrogen when upper mold backhaul
Spring effect, which pushes, presses closer out forging, guarantees that forging is indeformable when punching and ejection.
Working principle: diathermanous blank temperature control is upset at 1150 ± 30 DEG C --- and punching --- rolling ring --- ring billet stretches,
Stretching ring billet is put into the blocking die cavity of forging die lower die, oval ring billet long axis direction and blocking lower mode cavity are longitudinally aligned, on forging die
Mould hits ring billet in slider-actuated downlink, and strike terminates the supreme vertex of backhaul, and bottom knockout bar ejects blocking under the promotion of lower jacking block
Part, compressed air blow off the intracavitary oxide skin of finisher and sundries, then the pre- forging of ejection is moved to the finish-forging die cavity of side
It is interior, upper mold downlink is driven again, is hit pre- forging and is carried out finish-forging forming, upper mold backhaul, lower material bar surely pushes up under angled slide block promotion
Forging out.Complete finish-forging process.Forging is moved into the trimming lower die on clipping press, with the backing-out punch mould on backing-out punch bottom plate
Chamber is positioned, and is fixed on when the trimming punch of cope plate drives downlink contact forging by sliding block and backing-out punch is in liftout plate lower part
Under nitrogen gas spring effect, forging is compressed, cavity plate lower part there are cavity plate upright supports on lower plate, and sliding block continues traveling downwardly, and forging flies
Side, which contacts upper mold backhaul, backing-out punch and its bottom plate after excision overlap with cutting edge of die and pushes in nitrogen gas spring effect, to be pressed closer out and forges
Part guarantees that forging is in impaction state always and indeformable when punching and ejection.
In conclusion the utility model, using horizontal forging technology, two-chamber arranges to forging, reaming mode available in this way
Base, transfer is not easy to clamp between solving work step, and four, both ends wedge angle position easily occurs that forging is discontented with and there are temperature difference etc. at blank both ends
Problem cancels the machining of disc plane, can improve production efficiency by a relatively large margin.Using continuous casting material, reduce material at
This.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of hot forged mould of sliding tooth block, including shaping mold cavity (1), it is characterised in that: the shaping mold cavity (1) is divided into
Blocking die cavity (2) and finish-forging die cavity (3), the blocking die cavity (2) and finish-forging die cavity (3) parallel arrangement, the blocking die cavity (2)
Than finish-forging die cavity (3) depth 1-2mm.
2. a kind of hot forged mould of sliding tooth block according to claim 1, it is characterised in that: it further include edger, it is described
Edger includes cope plate (4) and lower plate (5), punch-pin (6) is arranged on the inside of the cope plate (4), lower plate (5) upper end
Two sides are installed nitrogen gas spring (7) respectively, and backing-out punch bottom plate (8) are arranged in nitrogen gas spring (7) upper surface, the backing-out punch bottom plate
(8) cavity plate (9) corresponding with punch-pin (6) is arranged in upper end, and lower plate (5) upper surface is equipped with cavity plate column (10), and institute
Cavity plate column (10) upper end and cavity plate (9) lower end face contact are stated, places press forging (11) between the punch-pin (6) and cavity plate (9).
3. a kind of hot forged mould of sliding tooth block according to claim 2, it is characterised in that: the press forging (11) uses
Oval ring billet.
4. a kind of hot forged mould of sliding tooth block according to claim 1, it is characterised in that: the blocking die cavity (2) and
Corresponding circular arc amendment is all done between finish-forging die cavity (3) and bridge portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073717.7U CN209407318U (en) | 2019-01-17 | 2019-01-17 | A kind of hot forged mould of sliding tooth block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073717.7U CN209407318U (en) | 2019-01-17 | 2019-01-17 | A kind of hot forged mould of sliding tooth block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209407318U true CN209407318U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073717.7U Active CN209407318U (en) | 2019-01-17 | 2019-01-17 | A kind of hot forged mould of sliding tooth block |
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| Country | Link |
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| CN (1) | CN209407318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338128A (en) * | 2020-09-24 | 2021-02-09 | 沈阳中钛装备制造有限公司 | Method for manufacturing cabin door hinge |
| CN116586546A (en) * | 2023-05-26 | 2023-08-15 | 广东韶铸精锻有限公司 | Closed type hot precision forging process method |
-
2019
- 2019-01-17 CN CN201920073717.7U patent/CN209407318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338128A (en) * | 2020-09-24 | 2021-02-09 | 沈阳中钛装备制造有限公司 | Method for manufacturing cabin door hinge |
| CN112338128B (en) * | 2020-09-24 | 2022-07-12 | 沈阳中钛装备制造有限公司 | Method for manufacturing cabin door hinge |
| CN116586546A (en) * | 2023-05-26 | 2023-08-15 | 广东韶铸精锻有限公司 | Closed type hot precision forging process method |
| CN116586546B (en) * | 2023-05-26 | 2024-04-19 | 广东韶铸精锻有限公司 | Closed type hot precision forging process method |
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