CN212495396U - Multi-step special-shaped slotted hole bevel gear mold - Google Patents
Multi-step special-shaped slotted hole bevel gear mold Download PDFInfo
- Publication number
- CN212495396U CN212495396U CN202021737359.4U CN202021737359U CN212495396U CN 212495396 U CN212495396 U CN 212495396U CN 202021737359 U CN202021737359 U CN 202021737359U CN 212495396 U CN212495396 U CN 212495396U
- Authority
- CN
- China
- Prior art keywords
- die
- punch
- upper punch
- punching
- spiral gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model discloses a multi-step special-shaped slot bevel gear die, which comprises a female die, wherein one side of the female die is provided with an outer upper punching die, the outer upper punching die comprises an outer upper punching head, an outer upper punching cover and an outer upper punching seat, one side of the outer upper punching die is provided with an inner upper punching die, the inner upper punching die comprises an inner upper punching cover, an inner upper punching seat and an inner upper punching head, one end of the outer upper punching die is provided with an inner hole for inserting one end of the inner upper punching head, two second planes are arranged in the inner hole, the outer wall of the outer upper punching head is provided with two first planes, the utility model mainly comprises two second planes arranged in the inner hole of the outer upper punching die and two third planes arranged in the inner hole of a lower punching die, the first planes are in clearance fit with the second planes, the third planes are in clearance fit with the fourth planes, the circular part is kept away, and the pressed compact is ensured not damaged, effectively improve the yield of the powder pressing production of the products.
Description
Technical Field
The utility model belongs to the technical field of dysmorphism slot bevel gear mould, concretely relates to dysmorphism slot bevel gear mould of many steps.
Background
When the multi-step helical gear with the special-shaped slot hole is manufactured by a powder metallurgy product, the helical gear part of the product is positioned in the middle of a part, the upper part and the lower part of the product are respectively provided with two round steps, and a special-shaped blind hole is formed in the upper part and the lower part of the product; for the helical gear powder metallurgy die, a design mode of fixing a middle die and rotating an upper punch and a lower punch is generally adopted, the bottoms of the upper punch and the lower punch are provided with spiral gaskets, oil grooves are formed in the spiral gaskets and used for storing lubricating oil, and in the pressing and demolding processes, the axial pressure of a press can generate radial thrust due to the existence of a spiral angle, so that the upper punch and the lower punch are driven to rotate; because the upper end and the lower end of the product are provided with the special-shaped blind holes, the product rotates in a cavity of a female die no matter in pressing or demolding, and the requirement is that the die rotates except for the tooth-shaped outer upper punch and the lower punch, and the inner upper punch, the second lower punch and the third lower punch need to rotate synchronously.
However, in the prior art, the matching part of the inner upper punch and the outer upper punch and the matching part of the first lower punch and the second lower punch are both circular, and when the die rotates, the die is in clearance fit, so that a certain sliding effect can be generated, the rotation cannot be ensured to be synchronous, and a certain damage defect can be caused to a pressed blank.
Therefore, the multi-step special-shaped slot bevel gear die is provided for solving the problems in the prior art, the defect that a pressed blank is damaged due to the fact that the die cannot rotate synchronously is avoided, and the yield of powder pressing production of products of the type is effectively improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dysmorphism slotted hole helical gear mould of many steps to it is circular to put forward in the solution above-mentioned background art because of interior upper punch and outer upper punch complex part and one down stroke and two down stroke complex parts, because the mould is clearance fit when rotatory, can produce certain slip effect, and the rotation can't be ensured in step, can lead to the fact the problem of certain damage defect to the pressed compact.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-step special-shaped slot bevel gear die comprises a female die, wherein an outer upper punching die is arranged on one side of the female die, the outer upper punching die comprises an outer upper punching head, an outer upper punching cover and an outer upper punching seat, an inner upper punching die is arranged on one side of the outer upper punching die, the inner upper punching die comprises an inner upper punching cover, an inner upper punching seat and an inner upper punching head, one end of the outer upper punching die is provided with an inner hole for inserting one end of the inner upper punching head, two second planes are arranged in the inner hole, the outer wall of the outer upper punching head is provided with two first planes, the first planes are in clearance fit with the second planes, a lower punching die is arranged on the other side of the female die and comprises a lower punching seat, a lower punching cover and a lower punching head, one end of the lower punching head is located in a die cavity of the female die, and the lower punching head is in clearance fit with the die cavity, one side of the lower punch die is provided with two lower punch dies which comprise two lower punch seats, two lower punch covers and two lower punch heads, one end of the lower punch die is provided with an inner hole into which one end of each of the two lower punch heads is inserted, two third planes are arranged in the inner hole, two fourth planes are arranged on the outer walls of the two lower punch heads, the third plane is in clearance fit with the fourth plane, one side of the second lower punching die is provided with three lower punching dies, the three lower punching dies comprise three lower punching punches, three lower punching covers and three lower punching seats, one end of each of the two lower punching dies is provided with an inner hole into which one end of each of the three lower punching punches is inserted, the three lower punching heads are in clearance fit with the two lower punching dies, and a first spiral gasket and a second spiral gasket are respectively arranged inside the inner upper punching die, the outer upper punching die, the lower punching die, the two lower punching dies and the three lower punching dies.
Preferably, the second plane and the third plane have the same shape, and the first plane and the fourth plane have the same shape.
Preferably, the second plane is located at the flange end of the outer upper punch and the third plane is located at the flange end of the lower punch.
Preferably, the inner upper punch cover is fixed with the inner upper punch base through bolts, a flange of the inner upper punch is located inside the inner upper punch cover, and a through hole for allowing one end of the inner upper punch to pass through is formed in one side of the inner upper punch cover.
Preferably, the first spiral gasket and the second spiral gasket are respectively located inside the inner upper punch cover, a through hole for allowing one end of the inner upper punch to pass through is formed in one side of the first spiral gasket, one side of the first spiral gasket is attached to one side of the inner upper punch flange, and one side of the second spiral gasket is attached to the other side of the inner upper punch flange.
Preferably, the outer upper punch cover and the outer upper punch base are fixed by bolts, a flange of the outer upper punch is located between the first spiral gasket and the second spiral gasket, and a through hole for inserting one end of the outer upper punch is formed in one side of the first spiral gasket and one side of the outer upper punch cover respectively.
Preferably, the lower punch cover and the lower punch holder are fixed by bolts, the flange of the lower punch is located between the first spiral gasket and the second spiral gasket, and a through hole for inserting one end of the lower punch is formed in one side of the first spiral gasket and one side of the lower punch cover respectively.
Preferably, the two lower punching caps and the two lower punching seats are fixed through bolts, flanges of the two lower punching heads are located between the first spiral gasket and the second spiral gasket, and through holes for inserting one ends of the two lower punching heads are formed in one side of the first spiral gasket and one side of the two lower punching caps respectively.
Preferably, the three lower punch caps and the three lower punch seats are fixed by bolts, flanges of the three lower punch heads are located between the first spiral gasket and the second spiral gasket, and through holes for inserting one ends of the three lower punch heads are formed in one side of the first spiral gasket and one side of the three lower punch caps respectively.
The utility model provides a pair of dysmorphism slot bevel gear mould of many steps, compared with the prior art, have following advantage:
the utility model discloses mainly be the hole of going up the die respectively outside has set up two second planes and the hole of die has set up two third planes once, including simultaneously the corresponding cooperation part of upper punch drift has set up two first planes and two corresponding cooperation parts of lower punch drift and has set up two fourth planes, clearance fit between first plane and second plane, clearance fit between third plane and fourth plane, the position is then kept away to the circular portion, in order to ensure that each drift is rotatory smooth and easy, the both sides of drift flange are provided with first spiral gasket and second spiral gasket respectively, when suppression and drawing of patterns, the die is rotatory to be driven interior die utensil synchronous revolution by outer punching die, ensure that the compact is not damaged, effectively improve the yields of this type of product powder suppression production.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of an inner upper punch die of the present invention;
FIG. 3 is a schematic view of an upper outer punch die of the present invention;
fig. 4 is a schematic view of a female mold of the present invention;
FIG. 5 is a schematic view of a lower punch die of the present invention;
FIG. 6 is a schematic view of a second lower die of the present invention;
fig. 7 is a schematic view of a three-lower punching die of the present invention;
in the figure: 1. an inner upper punching die; 2. an inner upper punch cover; 3. an inner upper punch seat; 4. a first plane; 5. an inner upper punch; 6. a first spiral shim; 7. a second spiral shim; 8. externally and upwards punching a die; 9. an outer upper punch; 10. a second plane; 11. an outer upper punch cover; 12. an outer upper punch seat; 13. a female die; 14. a lower die; 15. a lower punch; 16. a third plane; 17. a lower punch cap; 18. a lower punch seat; 19. secondly, a lower die; 20. two lower punch heads; 21. a fourth plane; 22. two lower punch covers; 23. a second lower punching seat; 24. thirdly, punching a die; 25. three lower punch heads; 26. three lower punching covers; 27. and thirdly, punching the seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a multi-step irregular slotted hole bevel gear die as shown in figures 1-7, which comprises a female die 13, an outer upper punch die 8 is arranged on one side of the female die 13, the outer upper punch die 8 comprises an outer upper punch 9, an outer upper punch 11 and an outer upper punch holder 12, an inner upper punch die 1 is arranged on one side of the outer upper punch die 8, the inner upper punch die 1 comprises an inner upper punch 2, an inner upper punch holder 3 and an inner upper punch 5, one end of the outer upper punch die 8 is provided with an inner hole for inserting one end of the inner upper punch 5, two second planes 10 are arranged in the inner hole, two first planes 4 are arranged on the outer wall of the outer upper punch 9, the first planes 4 are in clearance fit with the second planes 10, a lower punch die 14 is arranged on the other side of the female die 13, the lower punch die 14 comprises a lower punch holder 18, a lower punch 17 and a lower punch 15, one end of the lower punch 15 is positioned in the, a lower punch 15 is in clearance fit with a die cavity of the female die 13, one side of the lower die 14 is provided with two lower dies 19, each lower die 19 comprises two lower punch holders 23, two lower punch covers 22 and two lower punch 20, one end of each lower die 14 is provided with an inner hole into which one end of each lower punch 20 is inserted, two third planes 16 are arranged in the inner holes, the outer wall of each lower punch 20 is provided with two fourth planes 21, the third planes 16 are in clearance fit with the fourth planes 21, the second planes 10 are the same as the third planes 16, the first planes 4 are the same as the fourth planes 21, the second planes 10 are positioned at the flange end of the outer upper punch 9, and the third planes 16 are positioned at the flange end of the lower punch 15;
one side of the second lower die 19 is provided with a third lower die 24, the third lower die 24 comprises a third lower punch 25, a third lower punch cover 26 and a third lower punch seat 27, one end of the second lower die 19 is provided with an inner hole for inserting one end of the third lower punch 25, the third lower punch 25 is in clearance fit with the second lower die 19, and the inner upper die 1, the outer upper die 8, the lower die 14, the second lower die 19 and the third lower die 24 are internally provided with a first spiral gasket 6 and a second spiral gasket 7 respectively;
the inner upper punch cover 2 and the inner upper punch seat 3 are fixed through bolts, a flange of the inner upper punch 5 is positioned inside the inner upper punch cover 2, one side of the inner upper punch cover 2 is provided with a through hole for one end of the inner upper punch 5 to pass through, the first spiral gasket 6 and the second spiral gasket 7 are respectively positioned inside the inner upper punch cover 2, one side of the first spiral gasket 6 is provided with a through hole for one end of the inner upper punch 5 to pass through, one side of the first spiral gasket 6 is attached to one side of the flange of the inner upper punch 5, and one side of the second spiral gasket 7 is attached to the other side of the flange of the inner upper punch 5;
the outer upper punch cover 11 and the outer upper punch seat 12 are fixed through bolts, a flange of the outer upper punch 9 is positioned between the first spiral gasket 6 and the second spiral gasket 7, and through holes for inserting one end of the outer upper punch 9 are respectively formed in one side of the first spiral gasket 6 and one side of the outer upper punch cover 11;
the lower punching cover 17 and the lower punching seat 18 are fixed through bolts, a flange of the lower punching punch 15 is positioned between the first spiral gasket 6 and the second spiral gasket 7, and through holes for inserting one end of the lower punching punch 15 are respectively formed in one side of the first spiral gasket 6 and one side of the lower punching cover 17;
the two lower punch covers 22 and the two lower punch seats 23 are fixed through bolts, flanges of the two lower punch heads 20 are located between the first spiral gasket 6 and the second spiral gasket 7, and through holes for inserting one ends of the two lower punch heads 20 are formed in one side of the first spiral gasket 6 and one side of the two lower punch covers 22 respectively;
the three lower punching heads 26 and the three lower punching seats 27 are fixed through bolts, flanges of the three lower punching heads 25 are located between the first spiral gasket 6 and the second spiral gasket 7, and through holes for inserting one ends of the three lower punching heads 25 are formed in one side of the first spiral gasket 6 and one side of the three lower punching heads 26 respectively.
The working principle is as follows: two second planes 10 are arranged in the inner hole of the outer upper die 8, two third planes 16 are arranged in the inner hole of the lower die 14, the second planes 10 and the third planes 16 are respectively positioned at the flange ends of the punches, two first planes 4 are arranged at the corresponding matching parts of the inner upper punch 5, two fourth planes 21 are arranged at the corresponding matching parts of the two lower punches 20, the first planes 4 and the second planes 10 are in clearance fit, the third planes 16 and the fourth planes 21 are in clearance fit, the round parts are avoided, in order to ensure that the punches rotate smoothly, a first spiral gasket 6 and a second spiral gasket 7 are respectively arranged at two sides of each punch flange, during pressing and demoulding, the die rotates synchronously by the outer upper die 8 driving the inner upper die 1, and the lower die 14 respectively drives the two lower dies 19 and the three lower dies 24 to rotate synchronously, so that a pressed blank is not damaged, effectively improve the yield of the powder pressing production of the products.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a many steps dysmorphism slot bevel gear mould, includes bed die (13), its characterized in that: one side of the female die (13) is provided with an outer upper punch die (8), the outer upper punch die (8) comprises an outer upper punch (9), an outer upper punch cover (11) and an outer upper punch seat (12), one side of the outer upper punch die (8) is provided with an inner upper punch die (1), the inner upper punch die (1) comprises an inner upper punch cover (2), an inner upper punch seat (3) and an inner upper punch (5), one end of the outer upper punch die (8) is provided with an inner hole for inserting one end of the inner upper punch (5), two second planes (10) are arranged in the inner hole, the outer wall of the outer upper punch (9) is provided with two first planes (4), the first planes (4) are in clearance fit with the second planes (10), the other side of the female die (13) is provided with a lower punch die (14), and the lower punch die (14) comprises a lower punch seat (18), The stamping die comprises a lower punch cover (17) and a lower punch (15), one end of the lower punch (15) is located in a die cavity of a female die (13), the lower punch (15) is in clearance fit with the die cavity of the female die (13), two lower dies (19) are arranged on one side of the lower punch (14), each lower die (19) comprises two lower punch bases (23), two lower punch covers (22) and two lower punch heads (20), an inner hole for inserting one end of each lower punch head (20) is formed in one end of each lower punch head (14), two third planes (16) are arranged in the inner hole, two fourth planes (21) are arranged on the outer wall of each lower punch head (20), each third plane (16) is in clearance fit with the corresponding fourth plane (21), three lower punch heads (24) are arranged on one side of each lower punch head (19), and each lower punch head (24) comprises three lower punch heads (25), The punching die comprises three lower punching caps (26) and three lower punching seats (27), wherein one end of each of the two lower punching dies (19) is provided with an inner hole into which one end of each of the three lower punching dies (25) is inserted, the three lower punching dies (25) are in clearance fit with the two lower punching dies (19), and a first spiral gasket (6) and a second spiral gasket (7) are respectively arranged inside each of the inner upper punching die (1), the outer upper punching die (8), the lower punching die (14), the two lower punching dies (19) and the three lower punching dies (24).
2. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the second plane (10) and the third plane (16) have the same shape, and the first plane (4) and the fourth plane (21) have the same shape.
3. The multi-step special-shaped slot bevel gear die as claimed in claim 2, wherein: the second plane (10) is located at the flange end of the outer upper punch (9) and the third plane (16) is located at the flange end of the lower punch (15).
4. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the inner upper punch cover (2) and the inner upper punch seat (3) are fixed through bolts, a flange of the inner upper punch (5) is located inside the inner upper punch cover (2), and a through hole for allowing one end of the inner upper punch (5) to penetrate through is formed in one side of the inner upper punch cover (2).
5. The multi-step special-shaped slot bevel gear mold according to claim 4, wherein: the first spiral gasket (6) and the second spiral gasket (7) are respectively located inside the inner upper punch cover (2), a through hole for allowing one end of the inner upper punch (5) to penetrate through is formed in one side of the first spiral gasket (6), one side of the first spiral gasket (6) is attached to one side of a flange of the inner upper punch (5), and one side of the second spiral gasket (7) is attached to the other side of the flange of the inner upper punch (5).
6. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the outer upper punch cover (11) and the outer upper punch seat (12) are fixed through bolts, a flange of the outer upper punch (9) is located between the first spiral gasket (6) and the second spiral gasket (7), and through holes for inserting one end of the outer upper punch (9) are formed in one side of the first spiral gasket (6) and one side of the outer upper punch cover (11) respectively.
7. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the lower punch cover (17) and the lower punch seat (18) are fixed through bolts, a flange of the lower punch (15) is located between the first spiral gasket (6) and the second spiral gasket (7), and through holes for inserting one end of the lower punch (15) are formed in one side of the first spiral gasket (6) and one side of the lower punch cover (17) respectively.
8. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the two lower punching covers (22) and the two lower punching seats (23) are fixed through bolts, flanges of the two lower punching heads (20) are located between the first spiral gasket (6) and the second spiral gasket (7), and through holes for inserting one ends of the two lower punching heads (20) are formed in one side of the first spiral gasket (6) and one side of the two lower punching covers (22) respectively.
9. The multi-step special-shaped slot bevel gear die as claimed in claim 1, wherein: the three lower punching covers (26) and the three lower punching seats (27) are fixed through bolts, flanges of the three lower punching heads (25) are located between the first spiral gasket (6) and the second spiral gasket (7), and through holes for inserting one ends of the three lower punching heads (25) are formed in one side of the first spiral gasket (6) and one side of the three lower punching covers (26) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737359.4U CN212495396U (en) | 2020-08-19 | 2020-08-19 | Multi-step special-shaped slotted hole bevel gear mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737359.4U CN212495396U (en) | 2020-08-19 | 2020-08-19 | Multi-step special-shaped slotted hole bevel gear mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495396U true CN212495396U (en) | 2021-02-09 |
Family
ID=74383956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021737359.4U Active CN212495396U (en) | 2020-08-19 | 2020-08-19 | Multi-step special-shaped slotted hole bevel gear mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101671A (en) * | 2021-11-18 | 2022-03-01 | 长钰模具(苏州)有限公司 | Duplex sprocket gear powder metallurgy die |
-
2020
- 2020-08-19 CN CN202021737359.4U patent/CN212495396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101671A (en) * | 2021-11-18 | 2022-03-01 | 长钰模具(苏州)有限公司 | Duplex sprocket gear powder metallurgy die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212495396U (en) | Multi-step special-shaped slotted hole bevel gear mold | |
| CN211591022U (en) | Cold press molding die for high polymer powder material | |
| CN104815923A (en) | Stamping procedure for automobile seal cover | |
| CN104416056B (en) | For manufacturing the mould and method of stamping parts | |
| JP2014217876A (en) | Gear forging molding equipment with crowning and forging molding method thereof | |
| CN108994174B (en) | Automobile annular disc part side punching progressive die and side punching process | |
| CN203610531U (en) | Cold stamping die for wagon bearing sealing cover | |
| CN111842880A (en) | Multi-step special-shaped slotted hole bevel gear mold | |
| CN217121393U (en) | Cover die suitable for different specification kovar rings | |
| CN114932163A (en) | Die for machining bowl-shaped parts | |
| CN210816889U (en) | Lateral tooth-extruding mechanism | |
| CN101954575B (en) | Production process of supporting plate of vehicle transmission gear | |
| CN204638885U (en) | Wedge flanging mould | |
| CN210702021U (en) | Rubber bag hydraulic die for forming hole flanging and double bending edges | |
| CN106736305A (en) | A kind of thin plate punching weldering moulding manufacture method of clutch splined hub assembly | |
| CN209272272U (en) | Clutch hub forms stamping die | |
| CN217701017U (en) | Blanking-forming composite die for shell cover of main speed reducer of front axle of automobile | |
| CN111468659A (en) | Motor casing forming die | |
| CN214601169U (en) | Shaping punch for low-speed gear hub of automobile transmission synchronizer | |
| CN100384565C (en) | Method for preventing complex profile die forging from generating misplacement | |
| CN211165291U (en) | Metal fluoroplastic bush production mold | |
| CN211489755U (en) | Perforating device for hardware mold manufacturing | |
| CN220406818U (en) | Dedicated side cut compound die that punches a hole of flat chain link | |
| CN211564425U (en) | Automobile isolation hood mold convenient to replace | |
| CN216729079U (en) | Stamping die structure with inner flanging thin-walled part based on secondary stamping forming technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |