CN218361528U

CN218361528U - Machining die for gearbox chain wheel

Info

Publication number: CN218361528U
Application number: CN202222424437.0U
Authority: CN
Inventors: 朱建明; 徐贞林; 顾文娥
Original assignee: Yangzhou Hengzhong Precision Machinery Co ltd
Current assignee: Yangzhou Hengzhong Precision Machinery Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-24
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a mold processing of gearbox sprocket, including bottom plate and roof, fixed surface has the die holder on the bottom plate, the roof lower surface is fixed with the upper die base, upper die base lower surface middle part is equipped with the punching press die head, and the punching press die head top is fixed with the connecting plate, and the connecting plate passes through bolt and upper die base fixed connection, the die holder upper surface is seted up flutedly, and the recess top has seted up the installation concave station, the inside template that is equipped with of installation concave station. The utility model discloses in, be provided with die holder and upper die base, the template and the punching press die head that can dismantle are installed through the bolt respectively to the upper surface of die holder and the lower surface of upper die base, and the nib that corresponds with the punching press die head is seted up at the template middle part, therefore this mould can change the different template of unidimensional punching press die head and nib size when processing unidimensional sprocket for the gearbox sprocket of different grade type can be processed to this mould, improves the application scope of this mould.

Description

Machining die for gearbox chain wheel

Technical Field

The utility model relates to the technical field of mold, especially, relate to a mold processing of gearbox sprocket.

Background

The speed changing box is a device for changing the speed ratio and the moving direction, is used for automobiles, tractors, ships, machine tools and various machines, and is used for changing the torque, the rotating speed and the moving direction transmitted from a driving shaft to a driven shaft according to different working conditions, the power transmission in the speed changing box is transmitted by a chain wheel, and the current processing mode of the chain wheel is mainly formed by stamping through a die.

However, the existing chain wheel processing die is fixed in structure, one group of dies can only process chain wheels with one size, if chain wheels with different types need to be processed, the whole die on the punching machine needs to be replaced, and the dies are large in size and time-consuming to replace. Secondly, current sprocket mold processing can not be automatic ejecting the sprocket material of punching press out from the nib, and the sprocket card needs further improvement in the nib of mould easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a processing die for a gearbox chain wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a mold processing of gearbox sprocket, includes bottom plate and roof, bottom plate upper surface is fixed with the die holder, roof lower surface is fixed with the upper die base, upper die base lower surface middle part is equipped with the stamping die head, and the stamping die head top is fixed with the connecting plate, and the connecting plate passes through bolt and upper die base fixed connection, the die holder upper surface is seted up flutedly, and the recess top has seted up the installation concave station, the inside template that is equipped with of installation concave station, the template passes through bolt fixed connection with the installation concave station, the nib has been seted up at the template middle part, and the nib is located the stamping die head under, the template lower surface is equipped with the ejecting structure of the inside sprocket in ejecting nib.

As a further description of the above technical solution:

the upper die base top is fixed with the mounting panel, and the accessible mounting panel is with upper die base and sprocket punching machine lift end erection joint, and after the upper die base passes through the lift end connection of mounting panel with the punching machine, the accessible punching machine drives the upper die base and reciprocates.

As a further description of the above technical solution:

four angle departments of bottom plate upper surface all are fixed with the guide cylinder, roof lower surface is fixed with four guide bars that correspond the guide cylinder, four the guide bar bottom is located inside the guide cylinder and with guide cylinder sliding connection, guide bar and guide cylinder can play the effect of location direction to the lift of upper die base.

As a further description of the above technical solution:

the upper surface of the template is flush with the upper surface of the lower die holder, so that a raw steel plate for stamping can be stably placed on the surface of the lower die holder.

As a further description of the above technical solution:

the size of the die hole in the middle of the die plate is matched with the size of the stamping die head, so that the stamping die head and the die plate need to be replaced simultaneously when replaced, and the stamping die head is ensured to correspond to the die hole in the middle of the die plate.

As a further description of the above technical solution:

the ejection structure comprises two connecting rods fixed on the lower surface of the template, the bottom ends of the two connecting rods are jointly fixed with a supporting plate, the upper surface of the supporting plate is fixed with a fixed cylinder, a spring is fixed on the inner bottom wall of the fixed cylinder, a telescopic rod is fixed at the top end of the spring, the bottom end of the telescopic rod is slidably connected with the fixed cylinder, an ejector plate is fixed at the top end of the telescopic rod and located inside the die hole, and when the stamping die head moves out of the die hole, the punched chain wheel can be ejected out of the die hole through the elasticity of the spring.

As a further description of the above technical solution:

the ejector plate is the same as the die hole in shape, and the upper surface of the ejector plate is flush with the upper surface of the die plate.

The utility model discloses following beneficial effect has:

1. the utility model provides a mold processing of gearbox sprocket, is provided with die holder and upper die base, and the template and the punching press die head that can dismantle are installed respectively through the bolt to the upper surface of die holder and the lower surface of upper die base, and the nib that corresponds with the punching press die head is seted up at the template middle part, therefore this mould can change not unidimensional punching press die head and the template that the nib size is different when processing not unidimensional sprocket for the gearbox sprocket of different grade type can be processed to this mould, improves the application scope of this mould.

2. The utility model provides a mold processing of gearbox sprocket, is through setting up the layer board bottom the template, and the layer board surface sets up a fixed section of thick bamboo, spring and telescopic link and constitutes the elasticity telescopic link, the roof is fixed on the telescopic link top, and the roof is located the nib of template, and after the punching press was accomplished, under the elasticity of spring, the roof can be ejecting with the sprocket in the nib, improves discharging efficiency.

Drawings

Fig. 1 is an overall sectional view of a machining mold for a gearbox sprocket according to the present invention;

fig. 2 is a partial perspective view of a machining mold for a gearbox sprocket according to the present invention;

fig. 3 is the utility model provides a lower mould top view of mold processing of gearbox sprocket.

Illustration of the drawings:

1. a base plate; 2. a top plate; 3. a lower die holder; 4. an upper die holder; 5. mounting a plate; 6. a guide cylinder; 7. a guide bar; 8. punching a die head; 9. a connecting plate; 10. a groove; 11. mounting a concave platform; 12. a template; 13. a die hole; 14. a connecting rod; 15. a support plate; 16. a fixed cylinder; 17. a spring; 18. a telescopic rod; 19. and a material ejecting plate.

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. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a mold processing of gearbox sprocket, including bottom plate 1 and

roof

2, 1 upper surface of bottom plate is fixed with die

holder

3, 2 lower surface of roof is fixed with

upper die base

4, 4 lower surface middle parts of upper die base are equipped with

stamping die head

8, and 8 top of stamping die head are fixed with connecting plate 9, and connecting plate 9 passes through bolt and 4 fixed connection of upper die base, die holder 3 upper surface is seted up fluted 10, and installation concave station 11 has been seted up on recess 10 top, 11 inside template 12 that are equipped with of installation concave station, template 12 passes through bolt fixed connection with installation concave station 11, nib 13 has been seted up at template 12 middle part, and nib 13 is located stamping die head 8 under, template 12 lower surface is equipped with the ejecting structure of the inside sprocket in ejecting nib 13, because stamping die head 8 and template 12 all pass through bolt fastening, make stamping die head 8 and template 12 can dismantle the change, in order to adapt to the processing of not unidimensional sprocket.

The mounting plate 5 is fixed on the top end of the upper die base 4, and the upper die base 4 and the lifting end of the chain wheel punching machine can be mounted and connected through the mounting plate 5. Four angle departments of bottom plate 1 upper surface all are fixed with

guide cylinder

6, and 2 lower surface fixings of roof have four guide bars 7 that correspond

guide cylinder

6, and 7 bottoms of four guide bars are located guide cylinder 6 inside and with 6 sliding connection of guide cylinder, and guide bar 7 and guide cylinder 6 can play the effect of location direction to the lift of upper die base 4.

The upper surface of the template 12 is flush with the upper surface of the lower die holder 3. The size of the die hole 13 in the middle of the die plate 12 is matched with the size of the stamping die head 8, so that when the stamping die head 8 and the die plate 12 are replaced, the stamping die head 8 and the die plate 12 need to be replaced at the same time, and the die hole 13 in the middle of the die plate 12 is ensured to correspond to each other.

The ejection structure comprises two connecting rods 14 fixed on the lower surface of the formwork 12, the bottom ends of the two connecting rods 14 are jointly fixed with a supporting plate 15, the upper surface of the supporting plate 15 is fixed with a fixed cylinder 16, a spring 17 is fixed on the bottom wall of the fixed cylinder 16, a telescopic rod 18 is fixed at the top end of the spring 17, the bottom end of the telescopic rod 18 is slidably connected with the fixed cylinder 16, an ejector plate 19 is fixed at the top end of the telescopic rod 18, and the ejector plate 19 is located inside the formwork hole 13. The ejector plate 19 is the same as the die hole 13 in shape, the upper surface of the ejector plate 19 is flush with the upper surface of the die plate 12, and through the ejection structure, after the stamping action is completed, the chain wheel in the die hole 13 can be automatically ejected out, so that automatic ejection is realized, the ejection structure is matched with the die plate 12, and when the die plate 12 which is not used is replaced, the ejection structure at the bottom is also matched.

The working principle is as follows: put the raw materials steel sheet on 3 surfaces of die holder, then drive upper die base 4 through the hydraulic pressure lift end of punching machine and descend, punching press die head 8 punches the steel sheet, the sprocket of punching press out is impressed in the nib 13, after the punching press action was accomplished, the punching machine drove the ascending reset of upper die base 4, at this moment under spring 17's elasticity, telescopic link 18 shifts up and resets for ejector plate 19 can be ejecting with the sprocket in the nib 13, be convenient for take away the sprocket of punching press out fast. If the chain wheels with different sizes need to be machined, the punching die head 8 and the template 12 can be detached from the upper die base 4 and the lower die base 3 respectively, and then the punching die head 8 with different sizes and the template 12 with different die holes 13 can be replaced.

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

1. The utility model provides a mold processing of gearbox sprocket, includes bottom plate (1) and roof (2), its characterized in that: the upper surface of the bottom plate (1) is fixed with a lower die holder (3), the lower surface of the top plate (2) is fixed with an upper die holder (4), the middle of the lower surface of the upper die holder (4) is provided with a stamping die head (8), the top end of the stamping die head (8) is fixed with a connecting plate (9), the connecting plate (9) is fixedly connected with the upper die holder (4) through bolts, the upper surface of the lower die holder (3) is provided with a groove (10), the top end of the groove (10) is provided with an installation concave table (11), a template (12) is arranged inside the installation concave table (11), the template (12) is fixedly connected with the installation concave table (11) through bolts, the middle of the template (12) is provided with a die hole (13), the die hole (13) is located under the stamping die head (8), and the lower surface of the template (12) is provided with an ejection structure for ejecting a chain wheel inside the die hole (13).

2. The machining die for the gearbox sprocket wheel according to claim 1, wherein: the top end of the upper die holder (4) is fixed with an installation plate (5), and the upper die holder (4) and the lifting end of the chain wheel punching machine can be installed and connected through the installation plate (5).

3. The machining die for the gearbox sprocket wheel according to claim 1, wherein: four angle departments of bottom plate (1) upper surface all are fixed with guide cylinder (6), roof (2) lower surface is fixed with four guide bar (7) that correspond guide cylinder (6), four guide bar (7) bottom is located guide cylinder (6) inside and with guide cylinder (6) sliding connection.

4. The machining die for the gearbox sprocket wheel according to claim 1, wherein: the upper surface of the template (12) is flush with the upper surface of the lower die holder (3).

5. The processing die of the gearbox sprocket wheel according to claim 1, wherein: the size of the die hole (13) in the middle of the die plate (12) is matched with that of the stamping die head (8).

6. The machining die for the gearbox sprocket wheel according to claim 1, wherein: the ejection structure comprises two connecting rods (14) fixed to the lower surface of a template (12), the bottom ends of the two connecting rods (14) are jointly fixed with a supporting plate (15), the upper surface of the supporting plate (15) is fixed with a fixed cylinder (16), a spring (17) is fixed to the bottom wall of the fixed cylinder (16), a telescopic rod (18) is fixed to the top end of the spring (17), the bottom end of the telescopic rod (18) is connected with the fixed cylinder (16) in a sliding mode, an ejector plate (19) is fixed to the top end of the telescopic rod (18), and the ejector plate (19) is located inside a die hole (13).

7. The machining die for the gearbox sprocket wheel according to claim 6, wherein: the ejector plate (19) is the same as the die hole (13) in shape, and the upper surface of the ejector plate (19) is flush with the upper surface of the die plate (12).