CN216801678U

CN216801678U - Duplex sprocket gear powder metallurgy die

Info

Publication number: CN216801678U
Application number: CN202122828383.XU
Authority: CN
Inventors: 邓宜炘
Original assignee: CHUNG YI MOLD (SUZHOU) CO LTD
Current assignee: CHUNG YI MOLD (SUZHOU) CO LTD
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-06-24
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a duplex sprocket powder metallurgy die which comprises a middle die, an outer upper punch seat, a lower punch seat and a sprocket product, wherein an inner upper punch is installed on the inner wall of the outer upper punch seat, an inner upper punch cover is installed at the upper end of the inner upper punch, an upper inner punch seat is installed at the upper end of the inner upper punch cover, an outer upper punch cover is installed at the bottom of the outer upper punch seat, an outer upper punch is installed at the bottom of the outer upper punch cover, a lower punch is installed on the inner wall of the middle die, and a lower punch cover is installed between the lower punch and the lower punch seat. The duplex sprocket gear powder metallurgy die is provided with the one-step forming mechanism and the foolproof device, sprocket gear parts can be conveniently and better formed in one step, the forming effect is more excellent, the damage condition is not prone to occurring, the use of materials is reduced, the cost is reduced, operation can be conveniently and better carried out, the foolproof mechanism is arranged, and the error condition is not prone to occurring during working.

Description

Duplex sprocket gear powder metallurgy die

Technical Field

The utility model relates to the field of dies, in particular to a duplex sprocket gear powder metallurgy die.

Background

Sprocket powder metallurgy mould is a support equipment who carries out sprocket contour machining, when sprocket makes processing, need carry out drilling processing preparation to the surface, need adopt the mould to carry out the contour machining operation, along with the continuous development of science and technology, people also are higher and higher to sprocket powder metallurgy mould's manufacturing process requirement.

There is certain drawback in current sprocket powder metallurgy die when using, at first, when using, need use the multiunit plug to carry out the shaping preparation of driling, the one shot forming effect is relatively poor, the condition of damage appears easily, is unfavorable for people's use, still, does not possess and prevents slow-witted mechanism, the condition of working error appears easily, and the use of giving people has brought certain adverse effect, for this reason, we provide a pair sprocket powder metallurgy die.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a duplex sprocket powder metallurgy die which can be used for conveniently and better molding sprocket parts at one time, has a more excellent molding effect, is not easy to damage, reduces the use of materials, reduces the cost, can be operated conveniently and better, has a foolproof mechanism, is not easy to make errors during working, and can effectively solve the problems in the background technology.

(II) technical scheme

In order to realize the purpose, the utility model adopts the technical scheme that: a duplex sprocket powder metallurgy die comprises a middle die, an outer upper punch seat, an inner lower punch seat and a sprocket product, wherein an inner upper punch is installed on the inner wall of the outer upper punch seat, an inner upper punch cover is installed on the upper end of the inner upper punch, the inner upper punch seat is installed on the upper end of the inner upper punch cover, the outer upper punch cover is installed on the bottom of the outer upper punch seat, an outer upper punch is installed on the bottom of the outer upper punch cover, a lower punch is installed on the inner wall of the middle die, a lower punch cover is installed between the lower punch and the lower punch seat, two lower punches are installed on the inner wall of the lower punch seat, two lower punch covers are installed on the bottoms of the two lower punch covers, a core rod is installed on the inner wall of the two lower punches, a core rod cover is installed on the bottom of the core rod, a core rod installing mechanism is installed between the core rod cover and the core rod, a core rod seat is installed on the lower end of the core rod cover, a first positioning pin is arranged between the mandrel cover and the mandrel seat.

As an optimal technical scheme of this application, go up and install No. five locating pins between towards seat and the interior upper punch cover in, go up to dash and install No. four locating pins between seat and the outer upper punch cover on outer, dash and install No. three locating pins between the lid once, dash and install No. two locating pins between the lid under seat and two under two.

As this application an preferred technical scheme, install one shot forming mechanism on the well mould, the location base is installed to the bottom of well mould, the installation hoop is installed in the outside of well mould, the erector is installed at the both ends of well mould, the cell body has been seted up at the middle part of well mould, integrated into one piece has the strengthening rib between well mould and the cell body, the processing groove has been seted up to the inner wall of outer upper punch, the outer wall fixedly connected with of interior upper punch strengthens the seat, the processing portion has been seted up on sprocket product surface, one shot forming mechanism's position is connected at the plug top.

As a preferred technical solution of the present application, the middle die and the lower punch are integrally formed, and the core rod is inserted into inner wall positions of the middle die, the lower punch cover, the lower punch seat, the two lower punch covers, and the two lower punch seats for positioning.

As a preferred technical scheme of this application, the bottom of plug is fixed a position through the inner wall of plug installation mechanism and plug lid, fix a position through a locating pin between plug lid and the plug seat.

As an optimal technical scheme of this application, go up and fix a position through No. five locating pins between punching the seat in with on the interior, go up to punch the seat outward and go up to fix a position through No. four locating pins between the lid on, punch the seat once and go down to fix a position through No. three locating pins between the lid, punch the seat under two and go down to fix a position through No. two locating pins between the lid.

As an optimal technical scheme, the middle die and the groove body are integrally formed, and the outer upper punch is pressed down to process the position of the one-step forming mechanism.

(III) advantageous effects

Compared with the prior art, the utility model provides a duplex sprocket powder metallurgy die, which has the following beneficial effects: the duplex sprocket gear powder metallurgy die can conveniently and better perform one-step forming on sprocket gear parts through a one-step forming mechanism and a foolproof device, is more excellent in forming effect, less prone to damage, reduced in material use, lower in cost and more convenient to operate, and is provided with the foolproof mechanism, under the condition that errors are not prone to occurring during working, a middle die, a lower punching cover, a lower punching seat, two lower punching seats, two lower punching covers and two lower punching seats are installed, a core rod is inserted into the inner wall positions of the middle die, the lower punching seat, the lower punching cover, the lower punching seat, the two lower punching seats to position to form the foolproof mechanism, the top of the two lower punching seats is connected with the position of the one-step forming mechanism, the bottom of the core rod is installed and positioned with the core rod seat through the core rod cover, the upper punching seat, the inner upper punching cover, the outer upper punching seat, the upper punching cover, the upper punching seat, the inner punching seat, the outer punching cover, the upper punching seat, the upper punching cover, the lower punching seat, the lower punching cover, the lower punching seat, the upper punching seat, the lower punching seat, the upper punching seat, the lower punching seat, the upper punching cover, the lower punching seat, the upper punching seat, the lower punching cover, the lower punching seat, the lower punching cover, the upper punching seat, the lower punching cover, the lower punching seat, the upper punching seat, the lower punching seat, the upper punching seat, the lower punching seat, the upper punching seat, the lower punching seat, the upper punching seat, the lower punching seat, the upper, The outer upper punch is assembled, the chain gear product is subjected to stamping processing between the outer upper punch and the one-step forming mechanism, the one-step forming processing operation is performed on the processing portion of the surface of the chain gear product through the one-step forming mechanism, the processing is quicker, the multi-group core rod is not required to be used for one-step forming, the processing effect is better, the processing effect is more accurate, the situation of fracture is not easy to occur, unqualified products are reduced, the processing method is simpler and more practical, the whole chain gear powder metallurgy die is simple in structure, the operation is convenient, and the use effect is better relative to the traditional mode.

Drawings

Fig. 1 is a schematic overall structure diagram of a duplex-sprocket powder metallurgy die according to the utility model.

Fig. 2 is a schematic structural diagram of a middle die in a duplex-sprocket powder metallurgy die according to the utility model.

Fig. 3 is a schematic structural diagram of an outer upper punch in the duplex-sprocket powder metallurgy die according to the utility model.

Fig. 4 is a schematic structural diagram of an inner upper punch in the duplex-sprocket powder metallurgy die according to the utility model.

FIG. 5 is a schematic structural diagram of a lower punch in a duplex-gear powder metallurgy die according to the present invention.

Fig. 6 is a schematic structural diagram of a core rod in the duplex-sprocket powder metallurgy die according to the utility model.

FIG. 7 is a schematic structural view of a sprocket product in a dual-linked sprocket powder metallurgy die according to the present invention.

In the figure: 1. a middle mold; 2. an upper inner punching seat; 3. inner upper punching; 4. an inner upper punch cover; 5. an outer upper punch seat; 6. An outer upper punch cover; 7. upwards punching outwards; 8. a lower punch cap; 9. an undershoot; 10. a lower punch seat; 11. two undershoots; 12. a second lower punching seat; 13. two lower punch covers; 14. a core rod; 15. a mandrel cover; 16. a mandrel holder; 17. a mandrel installation mechanism; 18. a first positioning pin; 19. a second positioning pin; 20. a third positioning pin; 21. a fourth positioning pin; 22. a fifth positioning pin; 23. a one-step forming mechanism; 24. reinforcing ribs; 25. A trough body; 26. an installer; 27. positioning a base; 28. installing a hoop; 29. processing a tank; 30. a reinforcement base; 31. sprocket gear products; 32. and a processing part.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-7, a duplex sprocket powder metallurgy die comprises a middle die 1, an outer upper punch holder 5, a lower punch holder 10 and a sprocket product 31, wherein an inner upper punch 3 is installed on the inner wall of the outer upper punch holder 5, an inner upper punch cover 4 is installed at the upper end of the inner upper punch 3, an upper inner punch holder 2 is installed at the upper end of the inner upper punch cover 4, an outer upper punch cover 6 is installed at the bottom of the outer upper punch holder 5, an outer upper punch 7 is installed at the bottom of the outer upper punch cover 6, a lower punch 9 is installed on the inner wall of the middle die 1, a lower punch cover 8 is installed between the lower punch 9 and the lower punch holder 10, two lower punches 11 are installed on the inner wall of the lower punch holder 10, two lower punch covers 13 are installed at the bottoms of the two lower punches 11, and two lower punch holders 12 are installed at the bottoms of the two lower punch covers 13.

Further, a mandrel 14 is mounted on the inner wall of the two lower punches 11, a mandrel cap 15 is mounted on the bottom of the mandrel 14, a mandrel mounting mechanism 17 is mounted between the mandrel cap 15 and the mandrel 14, and a mandrel holder 16 is mounted on the lower end of the mandrel cap 15.

Further, the bottom of the mandrel 14 is positioned by the mandrel mounting mechanism 17 and the inner wall of the mandrel cover 15, and the positioning between the mandrel cover 15 and the mandrel base 16 is performed by the first positioning pin 18.

Example two:

on the basis of the first embodiment, as shown in fig. 1 to 7, a duplex sprocket powder metallurgy die comprises a middle die 1, an outer upper punch seat 5, a lower punch seat 10 and a sprocket product 31, wherein an inner upper punch 3 is installed on the inner wall of the outer upper punch seat 5, an inner upper punch cover 4 is installed at the upper end of the inner upper punch 3, an upper inner punch seat 2 is installed at the upper end of the inner upper punch cover 4, an outer upper punch cover 6 is installed at the bottom of the outer upper punch seat 5, an outer upper punch 7 is installed at the bottom of the outer upper punch cover 6, a lower punch 9 is installed on the inner wall of the middle die 1, a lower punch cover 8 is installed between the lower punch 9 and the lower punch seat 10, two lower punches 11 are installed on the inner wall of the lower punch seat 10, two lower punch covers 13 are installed at the bottoms of the two lower punch seats 11, and two lower punch seats 12 are installed at the bottoms of the two lower punch covers 13.

Furthermore, a fifth positioning pin 22 is arranged between the upper inner punching seat 2 and the inner upper punching cover 4, a fourth positioning pin 21 is arranged between the outer upper punching seat 5 and the outer upper punching cover 6, a third positioning pin 20 is arranged between the lower punching seat 10 and the lower punching cover 8, a second positioning pin 19 is arranged between the second lower punching seat 12 and the second lower punching cover 13, and a first positioning pin 18 is arranged between the core rod cover 15 and the core rod seat 16.

Example three:

on the basis of the first embodiment and the second embodiment, as shown in fig. 1 to 7, a duplex sprocket powder metallurgy die comprises a middle die 1, an outer upper punch seat 5, a lower punch seat 10 and a sprocket product 31, wherein an inner upper punch 3 is installed on the inner wall of the outer upper punch seat 5, an inner upper punch cover 4 is installed at the upper end of the inner upper punch 3, an upper inner punch seat 2 is installed at the upper end of the inner upper punch cover 4, an outer upper punch cover 6 is installed at the bottom of the outer upper punch seat 5, an outer upper punch 7 is installed at the bottom of the outer upper punch cover 6, a lower punch 9 is installed on the inner wall of the middle die 1, a lower punch cover 8 is installed between the lower punch 9 and the lower punch seat 10, two lower punches 11 are installed on the inner wall of the lower punch seat 10, two lower punch covers 13 are installed at the bottoms of the two lower punch 11, and two lower punch seats 12 are installed at the bottoms of the two lower punch covers 13.

Further, the middle die 1 is provided with a one-step forming mechanism 23, the bottom of the middle die 1 is provided with a positioning base 27, the outer side of the middle die 1 is provided with a mounting hoop 28, two ends of the middle die 1 are provided with mounting devices 26, the middle of the middle die 1 is provided with a groove body 25, a reinforcing rib 24 is integrally formed between the middle die 1 and the groove body 25, the inner wall of the outer upper punch 7 is provided with a processing groove 29, the outer wall of the inner upper punch 3 is fixedly connected with a reinforcing seat 30, and the surface of a chain gear product 31 is provided with a processing part 32.

Further, the middle die 1 and the lower punch 9 are integrally formed, and the core rod 14 is inserted into the inner wall positions of the middle die 1, the lower punch 9, the lower punch cover 8, the lower punch holder 10, the two lower punch covers 13 and the two lower punch holders 12 for positioning.

Further, the middle mold 1 and the groove body 25 are integrally molded, the top of the mandrel 14 is connected with the position of the one-step molding mechanism 23, and the outer upper punch 7 presses down the position of the one-step molding mechanism 23.

The working principle is as follows: the utility model comprises a middle die 1, an upper inner punching seat 2, an inner upper punch 3, an inner upper punching cover 4, an outer upper punching seat 5, an outer upper punching cover 6, an outer upper punch 7, a lower punching cover 8, a lower punch 9, a lower punching seat 10, two lower punches 11, two lower punching seats 12, two lower punching covers 13, a core rod 14, a core rod cover 15, a core rod seat 16, a core rod installation mechanism 17, a first positioning pin 18, a second positioning pin 19, a third positioning pin 20, a fourth positioning pin 21, a fifth positioning pin 22, a one-time forming mechanism 23, a reinforcing rib 24, a groove body 25, an installation device 26, a positioning base 27, an installation hoop 28, a processing groove 29, a reinforcing seat 30, a chain gear product 31 and a processing part 32, wherein when in use, the middle die 1, the lower punching cover 8, the lower punch 9, the lower punching seat 10, the two lower punches 11, the two lower punching covers 13 and the two middle die lower punching seats 12 are installed, the middle die 1, the lower punch 9, the lower punch cover 8, the lower punch cover 4, the lower punch 9, the lower punch cover 8, the outer punch cover 4, the outer punch cover 5, the outer punch cover 13, the core rod cover 7, the core rod cover 14 are inserted into the core rod cover, the core rod cover 16, the core rod cover, the first punch cover 17, the second punch cover, the positioning mechanism, the, The inner wall positions of a lower punching seat 10, two lower punching covers 13 and two lower punching seats 12 are positioned to form a foolproof mechanism, the position of a one-time forming mechanism 23 is connected to the top of two lower punching seats 11, the bottom of a core rod 14 is installed and positioned with a core rod seat 16 through a core rod cover 15, the top of the middle-upper punching seat 2, the top of the inner-upper punching cover 4, the top of the outer-upper punching seat 5, the top of the outer-upper punching cover 6 and the top of the outer-upper punching cover 7 are assembled, a sprocket product 31 is punched between the outer-upper punching cover 7 and the one-time forming mechanism 23, and a processing part 32 on the surface of the sprocket product 31 is subjected to one-time forming processing operation through the one-time forming mechanism 23, so that the processing is quicker, the one-time forming is realized, a plurality of groups of core rods 14 are not needed, the processing effect is better and more accurate, the fracture situation is not easy to occur, unqualified products are reduced, and the processing is simpler and more practical.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a pair sprocket powder metallurgy die, includes well mould (1), outer upper punch seat (5), punch seat (10) and sprocket product (31) down, its characterized in that: the inner punch (3) is installed on the inner wall of the outer punch seat (5), the inner punch cover (4) is installed on the upper end of the inner punch (3), the upper inner punch seat (2) is installed on the upper end of the inner punch cover (4), the outer punch cover (6) is installed at the bottom of the outer punch seat (5), the outer punch (7) is installed at the bottom of the outer punch cover (6), the lower punch (9) is installed on the inner wall of the middle die (1), the lower punch cover (8) is installed between the lower punch (9) and the lower punch seat (10), the lower punch (11) is installed on the inner wall of the lower punch seat (10), the lower punch covers (13) are installed at the bottoms of the lower punch covers (11), the lower punch seats (12) are installed at the bottoms of the two punch covers (13), the core rod (14) is installed on the inner wall of the lower punch (11), and the core rod cover (15) is installed at the bottom of the core rod (14), a mandrel installation mechanism (17) is installed between the mandrel cover (15) and the mandrel (14), a mandrel seat (16) is installed at the lower end of the mandrel cover (15), and a first positioning pin (18) is installed between the mandrel cover (15) and the mandrel seat (16).

2. The twin linked gear powder metallurgy die according to claim 1, wherein: a fifth positioning pin (22) is installed between the upper inner punching seat (2) and the inner upper punching cover (4), a fourth positioning pin (21) is installed between the outer upper punching seat (5) and the outer upper punching cover (6), a third positioning pin (20) is installed between the lower punching seat (10) and the lower punching cover (8), and a second positioning pin (19) is installed between the second lower punching seat (12) and the second lower punching cover (13).

3. The twin linked gear powder metallurgy die according to claim 1, wherein: install one shot forming mechanism (23) on well mould (1), location base (27) are installed to the bottom of well mould (1), installation hoop (28) are installed in the outside of well mould (1), erector (26) are installed at the both ends of well mould (1), cell body (25) have been seted up at the middle part of well mould (1), integrated into one piece has strengthening rib (24) between well mould (1) and cell body (25), processing groove (29) have been seted up to the inner wall of outer upper punch (7), outer wall fixedly connected with of interior upper punch (3) strengthens seat (30), processing portion (32) have been seted up on sprocket product (31) surface, the position of one shot forming mechanism (23) is connected at plug (14) top.

4. The twin linked gear powder metallurgy die according to claim 1, wherein: the middle die (1) and the lower punch (9) are integrally formed, and the core rod (14) is inserted into the inner wall positions of the middle die (1), the lower punch (9), the lower punch cover (8), the lower punch seat (10), the two lower punch covers (13) and the two lower punch seats (12) for positioning.

5. The twin linked gear powder metallurgy die according to claim 1, wherein: the bottom of the mandrel (14) is positioned by a mandrel mounting mechanism (17) and the inner wall of a mandrel cover (15), and the mandrel cover (15) and the mandrel base (16) are positioned by a first positioning pin (18).

6. The twin linked gear powder metallurgy die according to claim 2, wherein: the upper inner punching seat (2) and the inner upper punching cover (4) are positioned through a fifth positioning pin (22), the outer upper punching seat (5) and the outer upper punching cover (6) are positioned through a fourth positioning pin (21), the lower punching seat (10) and the lower punching cover (8) are positioned through a third positioning pin (20), and the second lower punching seat (12) and the second lower punching cover (13) are positioned through a second positioning pin (19).

7. The twin linked gear powder metallurgy die according to claim 3, wherein: the middle die (1) and the groove body (25) are integrally formed, and the outer upper punch (7) is pressed to process the position of the one-step forming mechanism (23).