CN204074782U - The device of external tooth in gear part can be extruded simultaneously - Google Patents
The device of external tooth in gear part can be extruded simultaneously Download PDFInfo
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- CN204074782U CN204074782U CN201420539023.5U CN201420539023U CN204074782U CN 204074782 U CN204074782 U CN 204074782U CN 201420539023 U CN201420539023 U CN 201420539023U CN 204074782 U CN204074782 U CN 204074782U
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- external tooth
- fixed cover
- tooth
- fixed
- guide post
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Abstract
The utility model proposes a kind of device that simultaneously can extrude external tooth in gear part, comprise upper die and lower die, patrix comprises cope match-plate pattern and upper male mould, counterdie comprises lower bolster and mould cylinder, the second cushion block is provided with from bottom to up in mould cylinder, first cushion block, outer ring, guiding die fixed cover, liftout attachment is provided with in the centre bore of the second cushion block, described liftout attachment comprises push rod, tip-lever support and the input lever through lower bolster, tip-lever support is arranged with and holds out against spring, first cushion block is fixed with guide post base, external tooth former fixed cover is socketed with in outer ring, external tooth former fixed cover is fixed with external tooth former, guiding die is socketed with in guiding die fixed cover, guide post base is fixed with guide post, guide post is fixed with internal tooth punch, the tooth top of internal tooth punch comprises the oblique compressive plane set gradually, vertical compressive plane and inclined-plane, the utility model can extrude the interior external tooth of gear part simultaneously, and its service life is longer than common cold extrusion die.
Description
Technical field
The utility model relates to cold-extrusion shaping mould applications, refers to a kind of device that simultaneously can extrude external tooth in gear part especially.
Background technology
Cold extruding technique is a kind of vanguard technology technology of high-precision, efficient, high quality and low cost, and more application is in middle-size and small-size forging large-scale production.Compared with conventional contour forging technique, can saving metal material and energy, and can forging quality be improved, improve operating environment, but adopt cold extrusion to require high to mould.During cold extrusion, blank makes resistance of deformation enlarge markedly by three-dimensional compressive stress in a mold, and this makes the stress suffered by mould large more than general stamping die.Mould, except needs have high strength, also needs enough impact flexibility and wearability.In addition, the plastic deformation that metal blank is strong in a mold, mold temperature can be made to be increased to about 300 DEG C, and thus, mold materials need have certain temper resistance.Due to above-mentioned situation, the life-span of cold extrusion die is far below stamping die.Make cold-extrusion technology further genralrlization, the life-span of improving mould must be managed from the aspect such as Design of Dies, mold materials.Existing cold extrusion die mostly can only the internal tooth of extruded gear or external tooth, in order to improve production capacity, be badly in need of a kind of can the cold extrusion device of external tooth in pressure gear class part simultaneously.
Utility model content
The utility model makes improvements for above-mentioned prior art Problems existing, namely the technical problems to be solved in the utility model is a kind of device that simultaneously can extrude external tooth in gear part of design, and its service life is longer than common cold extrusion die, so propose a kind of device that can extrude external tooth in gear part simultaneously.
The technical solution of the utility model is achieved in that a kind of device that simultaneously can extrude external tooth in gear part, comprise upper die and lower die, patrix includes several guide cylinder, counterdie includes the guide pillar coordinated with several guide cylinder, and patrix is comprised cope match-plate pattern and is fixed on the upper male mould on cope match-plate pattern by retention mechanism, counterdie comprises lower bolster and is arranged on the mould cylinder on lower bolster, the second cushion block is provided with from bottom to up in mould cylinder, first cushion block, outer ring, guiding die fixed cover, liftout attachment is provided with in the centre bore of described second cushion block, described liftout attachment comprises push rod, tip-lever support and the input lever through lower bolster, tip-lever support be arranged with it is upwards pushed up hold out against spring, described first cushion block is fixed with guide post base, first cushion block and guide post base all have the circular hole that push rod can be allowed to pass, external tooth former fixed cover is socketed with in described outer ring, external tooth former fixed cover is fixed with external tooth former, guiding die is socketed with in described guiding die fixed cover, guiding die fixed cover is provided with the bottom plate that it can be compressed downwards, described guide post base is fixed with the guide post in the inner chamber being positioned at guiding die and external tooth former, guide post is fixed with internal tooth punch, the tooth top of internal tooth punch comprises the oblique compressive plane set gradually, vertical compressive plane and inclined-plane, described upper male mould, guiding die, guide post, internal tooth punch, external tooth former are coaxially arranged.
Improve as one: described retention mechanism comprises the patrix circle being arranged on cope match-plate pattern lower surface and the upper male mould fixed cover be socketed in patrix circle, and upper male mould fixed cover is fixed in patrix circle by upper mounted plate, and upper male mould fixed cover is connected with upper male mould tapering.
Improve as one: described guide pillar outer race has back-moving spring, the inwall of described guide cylinder and the outer wall of guide pillar all have helical oil groove.
Improve as one: described oblique compressive plane and the angle of vertical compressive plane are 150 degree to 170 degree.
Improve as one: described guide post is socketed with the second positioning sleeve, internal tooth punch and the first positioning sleeve from bottom to up successively, the top of the first positioning sleeve is provided with the nut that it can be compressed downwards, and nut is connected with guide rod thread.
Improve as one: the punch tooth of described internal tooth punch and the former tooth of external tooth former are provided with titanium nitride coating.
Adopt such scheme, the utility model has the following advantages:
1, the utility model includes external tooth former and internal tooth punch, can extrude external tooth in gear part simultaneously; And internal tooth punch is provided with oblique compressive plane, vertical compressive plane and inclined-plane, when extruding, oblique compressive plane is stressed gradually, the service life of internal tooth punch can be extended, titanium nitride coating is set, the wearing and tearing of internal tooth punch and external tooth former can be reduced, thus extend their service life, internal tooth punch convenient disassembly, internal tooth punch position can be regulated by the size changing the second positioning sleeve simultaneously, make the range of work wider.
2, tip-lever support be arranged with it is upwards pushed up hold out against spring, when processing work, this holds out against spring and upwards holds out against tip-lever support, makes the lower surface of push rod top tight workpiece all the time, the effect of guiding can be played in the stressed downward extrusion process of workpiece, hold out against spring and also play certain cushioning effect; After work pieces process completes, hold out against spring and upwards hold out against tip-lever support, make the power that workpiece is subject to upwards, conveniently go to take out workpiece.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the utility model can extrude a device embodiment of external tooth in gear part simultaneously;
Fig. 2 is the sectional view of the internal tooth punch that simultaneously can extrude the device of external tooth in gear part in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of device that simultaneously can extrude external tooth in gear part as depicted in figs. 1 and 2, comprise upper die and lower die, patrix includes several guide cylinder 7, counterdie includes the guide pillar 8 coordinated with several guide cylinder 7, and patrix is comprised cope match-plate pattern 1 and is fixed on the upper male mould 6 on cope match-plate pattern 1 by retention mechanism.The mould cylinder 16 that counterdie comprises lower bolster 27 and is arranged on lower bolster 27, is provided with the second cushion block 26, first cushion block 22, outer ring 17, guiding die fixed cover 11 from bottom to up in mould cylinder 16.Described second cushion block 26 can be one piece, also can be several cushion block to be formed by stacking, liftout attachment is provided with in the centre bore of the second cushion block 26, described liftout attachment comprises push rod 24, tip-lever support 23 and through the input lever 28 of lower bolster 27, tip-lever support 23 be arranged with it is upwards pushed up hold out against spring 25; Described first cushion block 22 is fixed with on guide post base 21, first cushion block 22 and guide post base 21 and all has the circular hole that push rod 24 can be allowed to pass, push rod 24 is no less than 2.Be socketed with external tooth former fixed cover 18 in described outer ring 17, outer ring 17 and external tooth former fixed cover 18 are taper fit, and tapering is 2 ~ 6 degree, and external tooth former fixed cover 18 is fixed with external tooth former 19; Guiding die 12 is socketed with in described guiding die fixed cover 11, guiding die fixed cover 11 and guiding die 12 are taper fit, tapering is 2 ~ 6 degree, guiding die fixed cover 11 is provided with the bottom plate 10 that it can be compressed downwards, bottom plate 10 is fixed by screws on mould cylinder 16, is so just fixed by the part in mould cylinder 16.Described guide post base 21 is fixed with the guide post 13 in the inner chamber being positioned at guiding die 12 and external tooth former 19, guide post 13 is fixed with internal tooth punch 15, the tooth top of internal tooth punch 15 comprises the oblique compressive plane 15a set gradually, vertical compressive plane 15b and inclined-plane 15c, can extend the service life of internal tooth punch 15 like this and make extrusion process more smooth and easy.Described upper male mould 6, guiding die 12, guide post 13, internal tooth punch 15, external tooth former 19 are coaxially arranged.
As shown in Figure 1; described retention mechanism comprises the patrix circle 3 being arranged on cope match-plate pattern 1 lower surface and the upper male mould fixed cover 5 be socketed in patrix circle 3; patrix circle 3 and upper male mould fixed cover 5 are taper fit; tapering is 2 ~ 6 degree; upper male mould fixed cover 5 is fixed in patrix circle 3 by upper mounted plate 4; upper male mould fixed cover 5 is connected with upper male mould 6 tapering, and the bottom of upper male mould 6 is provided with upper male mould cushion block 2, and upper male mould cushion block 2 plays the effect of protection cope match-plate pattern 1.
As shown in Figure 1, in order to make guide cylinder 7 stable and smooth, described guide pillar 8 outer race has back-moving spring 9, and the inwall of described guide cylinder 7 and the outer wall of guide pillar 8 all have helical oil groove.
As shown in Figure 2, in order to extend the service life of internal tooth punch 15, described oblique compressive plane 15a and the angle of vertical compressive plane 15b are 150 degree to 170 degree.
As shown in Figure 1, accurately locate to make internal tooth punch 15, described guide post 13 is socketed with from bottom to up successively the second positioning sleeve 20, internal tooth punch 15 and the first positioning sleeve 14, the top of the first positioning sleeve 14 is provided with the nut that it can be compressed downwards, nut is threaded with guide post 13, adopts this structure can also be adjusted the position of internal tooth punch 15 by the size adjusting the second positioning sleeve 20.
In order to extend the service life of this device, the punch tooth of described internal tooth punch 15 and the former tooth of external tooth former 19 are provided with titanium nitride coating, titanium nitride coating has higher film hardness, can reduce the friction of mould between workpiece 29, reduces the loss of mould.
During use, workpiece 29 is put between external tooth former 19 and guide post 13, then patrix descending drive upper male mould 6 is descending, upper male mould 6 contacts workpiece 29 upper surface and continues the descending workpiece 29 that forces and produces distortion, after workpiece 29 has been out of shape, patrix stops descending and backhaul, and liftout attachment upwards pushes up, and is ejected by workpiece 29 by push rod 24.Repeat this process to can be mass-produced out with the part of interior external tooth form.The descending action of patrix realizes by press.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. one kind can extrude the device of external tooth in gear part simultaneously, comprise, upper die and lower die, patrix includes several guide cylinder, counterdie includes the guide pillar coordinated with several guide cylinder, it is characterized in that: patrix is comprised cope match-plate pattern and is fixed on the upper male mould on cope match-plate pattern by retention mechanism, counterdie comprises lower bolster and is arranged on the mould cylinder on lower bolster, the second cushion block is provided with from bottom to up in mould cylinder, first cushion block, outer ring, guiding die fixed cover, liftout attachment is provided with in the centre bore of described second cushion block, described liftout attachment comprises push rod, tip-lever support and the input lever through lower bolster, tip-lever support be arranged with it is upwards pushed up hold out against spring, described first cushion block is fixed with guide post base, first cushion block and guide post base all have the circular hole that push rod can be allowed to pass, external tooth former fixed cover is socketed with in described outer ring, external tooth former fixed cover is fixed with external tooth former, guiding die is socketed with in described guiding die fixed cover, guiding die fixed cover is provided with the bottom plate that it can be compressed downwards, described guide post base is fixed with the guide post in the inner chamber being positioned at guiding die and external tooth former, guide post is fixed with internal tooth punch, the tooth top of internal tooth punch comprises the oblique compressive plane set gradually, vertical compressive plane and inclined-plane, described upper male mould, guiding die, guide post, internal tooth punch, external tooth former are coaxially arranged.
2. according to the device that can extrude external tooth in gear part according to claim 1 simultaneously, it is characterized in that: described retention mechanism comprises the patrix circle being arranged on cope match-plate pattern lower surface and the upper male mould fixed cover be socketed in patrix circle, upper male mould fixed cover is fixed in patrix circle by upper mounted plate, and upper male mould fixed cover is connected with upper male mould tapering.
3. according to the device that can extrude external tooth in gear part according to claim 1 simultaneously, it is characterized in that: described guide pillar outer race has back-moving spring, the inwall of described guide cylinder and the outer wall of guide pillar all have helical oil groove.
4. according to the device that can extrude external tooth in gear part described in claim 1 or 2 or 3 simultaneously, it is characterized in that: described oblique compressive plane and the angle of vertical compressive plane are 150 degree to 170 degree.
5. according to the device that can extrude external tooth in gear part according to claim 4 simultaneously, it is characterized in that: described guide post is socketed with the second positioning sleeve, internal tooth punch and the first positioning sleeve from bottom to up successively, the top of the first positioning sleeve is provided with the nut that it can be compressed downwards, and nut is connected with guide rod thread.
6. according to the device that can extrude external tooth in gear part according to claim 1 simultaneously, it is characterized in that: the punch tooth of described internal tooth punch and the former tooth of external tooth former are provided with titanium nitride coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539023.5U CN204074782U (en) | 2014-09-18 | 2014-09-18 | The device of external tooth in gear part can be extruded simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539023.5U CN204074782U (en) | 2014-09-18 | 2014-09-18 | The device of external tooth in gear part can be extruded simultaneously |
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| Publication Number | Publication Date |
|---|---|
| CN204074782U true CN204074782U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420539023.5U Expired - Fee Related CN204074782U (en) | 2014-09-18 | 2014-09-18 | The device of external tooth in gear part can be extruded simultaneously |
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| CN (1) | CN204074782U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562550A (en) * | 2015-12-15 | 2016-05-11 | 上海久进精密锻造有限公司 | Tower footing forming mold and tower footing forming technique |
| CN106583558A (en) * | 2016-12-21 | 2017-04-26 | 宁波市北仑怡健模具制造有限公司 | Automobile gear die |
| CN106734821A (en) * | 2017-03-20 | 2017-05-31 | 江苏海宇机械有限公司 | A kind of size axis tube cavity fine forging forming die long and forming method |
| CN108555123A (en) * | 2018-05-07 | 2018-09-21 | 江苏太平洋齿轮传动有限公司 | A kind of High-precision Deep Hole structure of extrusion |
| CN110899360A (en) * | 2019-12-24 | 2020-03-24 | 无锡透平叶片有限公司 | Rod extruding die structure |
| CN111761016A (en) * | 2020-06-12 | 2020-10-13 | 山东中兴汽车零部件有限公司 | Combined die for gear precision forging molding and use method thereof |
| CN112091550A (en) * | 2020-09-17 | 2020-12-18 | 舟山市7412工厂 | Machining method of combined gear |
| CN113458171A (en) * | 2021-07-20 | 2021-10-01 | 重庆创精温锻成型有限公司 | Parking tooth shape and internal spline synchronous extrusion forming method |
-
2014
- 2014-09-18 CN CN201420539023.5U patent/CN204074782U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562550A (en) * | 2015-12-15 | 2016-05-11 | 上海久进精密锻造有限公司 | Tower footing forming mold and tower footing forming technique |
| CN106583558A (en) * | 2016-12-21 | 2017-04-26 | 宁波市北仑怡健模具制造有限公司 | Automobile gear die |
| CN106734821A (en) * | 2017-03-20 | 2017-05-31 | 江苏海宇机械有限公司 | A kind of size axis tube cavity fine forging forming die long and forming method |
| CN108555123A (en) * | 2018-05-07 | 2018-09-21 | 江苏太平洋齿轮传动有限公司 | A kind of High-precision Deep Hole structure of extrusion |
| CN110899360A (en) * | 2019-12-24 | 2020-03-24 | 无锡透平叶片有限公司 | Rod extruding die structure |
| CN111761016A (en) * | 2020-06-12 | 2020-10-13 | 山东中兴汽车零部件有限公司 | Combined die for gear precision forging molding and use method thereof |
| CN112091550A (en) * | 2020-09-17 | 2020-12-18 | 舟山市7412工厂 | Machining method of combined gear |
| CN113458171A (en) * | 2021-07-20 | 2021-10-01 | 重庆创精温锻成型有限公司 | Parking tooth shape and internal spline synchronous extrusion forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20160918 |