CN212371087U

CN212371087U - Precision forging die for driving gear

Info

Publication number: CN212371087U
Application number: CN202021845561.9U
Authority: CN
Inventors: 陆友荣
Original assignee: Langxi Haoliang Forging Co ltd
Current assignee: Langxi Haoliang Forging Co ltd
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2021-01-19
Anticipated expiration: 2030-08-30

Abstract

The utility model discloses a drive gear finish forging mould relates to forging equipment technical field. The utility model discloses an installation base and clamp plate, the upper end screw connection of installation base has the die holder, the intermediate position of die holder rotates and is connected with liftout supporting rod, the intermediate position of die holder upper end is fixed with lower mold core, the upper end of die holder and the outside that is located lower mold core are fixed with half a furs mould circle, the upper end of die holder and the outside screw connection that is located half a furs mould circle have two U-shaped connecting pieces, the one end of U-shaped connecting piece is rotated and is connected with hydraulic push rod, connect through rotating the connecting piece between hydraulic push rod and the half a furs mould circle. The utility model discloses a set up hydraulic push rod and drive the cogged wheel and rotate in the inside of device for the device is to the more even of the power that the tooth wheel was exerted, thereby the effect of great promotion forging and pressing, the cooperation through each accessory can be comparatively simple forge and press the tooth wheel, thereby provide very big facility for the user.

Description

Precision forging die for driving gear

Technical Field

The utility model belongs to the technical field of the forging and pressing equipment, especially, relate to a drive gear precision forging mould.

Background

The gear is a mechanical element with teeth on the rim capable of continuously meshing to transmit motion and power, and is a toothed mechanical part capable of meshing with each other, the diameter of a large gear is one time of that of a small gear, at the end of 19 th century, the principle of generating a gear cutting method and the successive appearance of a special machine tool and a cutter for cutting the teeth by using the principle are realized, so that the gear machining has a complete means.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive gear finish forging mould to current problem has been solved: the existing forging and pressing die has uneven force applied to raw materials, so that the forging and pressing effect on the gear is poor.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a drive gear precision forging die, which comprises an installation base and a pressing plate, wherein the upper end of the installation base is connected with a lower die holder through a screw, the middle position of the lower die holder is rotatably connected with a jacking supporting rod, the middle position of the upper end of the lower die holder is fixed with a lower die core, the upper end of the lower die holder is fixed with a half die ring at the outer side of the lower die core, the upper end of the lower die holder is connected with two U-shaped connecting pieces through screws at the outer side of the half die ring, one end of each U-shaped connecting piece is rotatably connected with a hydraulic push rod, the hydraulic push rod is connected with the half die ring through a rotating connecting piece, the lower end of the pressing plate is rotatably connected with an upper die holder, the lower end of the upper die holder is fixed with a rotating block, the lower end of the rotating block is fixed with a forging punch, the outer side of the rotating block is fixed with an upper, the outer side of the upper mold core is rotatably connected with a storage plate, and the storage plate is connected with the lower mold base through four limiting guide rods.

Further, the outer shape of the forging punch is in a circular truncated cone shape.

Furthermore, the material of the half die ring is H13 die steel.

Further, the inside of putting the thing board is provided with the bearing, just bearing and turning block pass through the joint and connect.

Furthermore, the inside of half mould ring sets up the initiative tooth, the lower extreme of initiative tooth is provided with the hypotenuse, the outside of lower mold core is supporting to be provided with first driven tooth.

Furthermore, a second driven tooth is arranged on the outer side of the upper mold core, and the second driven tooth is in clearance fit with the driving tooth.

Furthermore, the inner diameter of the upper end of the ejection supporting rod is the same as the outer diameter of the lower end of the forging punch, and the ejection supporting rod is in clearance fit with the forging punch.

Furthermore, the material of liftout supporting rod is 42 GrMo.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up hydraulic push rod and drive the pinion and rotate in the inside of device for the device is to the more even of the power of applying force of tooth wheel, thereby the effect of great promotion forging and pressing.

2. The utility model discloses a cooperation of each accessory can be comparatively simple forge and press the rodent wheel to provide very big facility for the user.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of one end of a precision forging die for driving a gear according to the present invention;

fig. 2 is a schematic structural view of the other end of the precision forging die for driving the gear of the present invention;

FIG. 3 is an exploded view of one end of a precision forging die for driving gears according to the present invention;

FIG. 4 is an exploded view of the other end of the precision forging die for driving gears of the present invention;

fig. 5 is a partial top view of a precision forging die for driving gears according to the present invention;

fig. 6 is a partial cutaway view of a precision forging die for driving gears of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. installing a base; 2. a lower die holder; 3. a liftout support bar; 4. a limiting guide rod; 5. a lower mold core; 6. forging and pressing the punch; 7. a toothed wheel; 8. a half die ring; 9. a hydraulic push rod; 10. a U-shaped connector; 11. an upper mold core; 12. a storage plate; 13. rotating the block; 14. an upper die holder; 15. pressing a plate; 16. the connecting piece is rotated.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model relates to a drive gear precision forging die, which comprises a mounting base 1 and a pressing plate 15, wherein the upper end of the mounting base 1 is connected with a lower die holder 2 by a screw, the middle position of the lower die holder 2 is rotationally connected with a jacking supporting rod 3, the material of the jacking supporting rod 3 is 42GrMo, the middle position of the upper end of the lower die holder 2 is fixed with a lower die core 5, the upper end of the lower die holder 2 and the outer side of the lower die core 5 are fixed with a half die ring 8, the material of the half die ring 8 is H13 die steel, the inner part of the half die ring 8 is provided with a driving tooth, the lower end of the driving tooth is provided with a bevel edge, the outer side of the lower die core 5 is provided with a first driven,

the upper end of the lower die holder 2 and the outer side of the half die ring 8 are in screw connection with two U-shaped connecting pieces 10, one end of each U-shaped connecting piece 10 is rotatably connected with a hydraulic push rod 9, the hydraulic push rod 9 and the half die ring 8 are connected through a rotating connecting piece 16, the lower end of a pressing plate 15 is rotatably connected with an upper die holder 14, the lower end of the upper die holder 14 is fixedly provided with a rotating block 13, the lower end of the rotating block 13 is fixedly provided with a forging punch 6, the forging punch 6 is in a circular truncated cone shape, so that the forging punch 6 can more conveniently forge and press the grinding wheel 7, the inner diameter of the upper end of the ejecting supporting rod 3 is the same as the outer diameter of the lower end of the forging punch 6, the ejecting supporting rod 3 is in clearance fit with the forging punch 6, the lower end of the rotating block 13 and the outer side of the forging punch 6 are fixedly provided with an upper die core 11, the outer side of, be provided with gear 7 between lower mold core 5 and the last mold core 11, the outside of going up mold core 11 is rotated and is connected with and puts thing board 12, and the inside of putting thing board 12 is provided with the bearing, and bearing and turning block 13 pass through the joint and connect for can effectually reduce the frictional force of putting between thing board 12 and the turning block 13 through setting up the bearing, thereby make things convenient for the rotation of turning block 13, put and connect through four spacing guide bars 4 between thing board 12 and the die holder 2.

One specific application of this embodiment is: when the device is used, an external power supply electrically connected with a lead of the device is used for starting the device, then a press machine at the upper end of the press plate 15 is used for driving the press plate 15 to vertically move, the press plate 15 is driven by an upper die holder 14 and a rotating block 13 to lift an object placing plate 12 together, so as to drive an upper die core 11 and a lower die core 5 to be effectively separated, then a gear wheel 7 is placed at the upper end of the lower die core 5, the press machine is started to drive the press plate 15 to descend, the press plate 15 is driven by the upper die holder 14 to drive a forging and pressing punch 6 and the rotating block 13 to descend together when descending, the forging and pressing punch 6 is used for forging and pressing the middle position of the gear wheel 7, the rotating block 13 is driven by the upper die core 11 to descend together when descending, the gear wheel 7 is forged and pressed by matching of the upper die core 11 and the lower die core 5, a hydraulic push rod 9 is started during forging and the, when the half die ring 8 rotates, the lower die core 5 and the upper die core 11 are driven to rotate together, so that the toothed gear 7 is driven to rotate, and the force applied by the device to the toothed gear 7 is more uniform.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a drive gear finish forging mould, includes installation base (1) and clamp plate (15), its characterized in that: the upper end of the installation base (1) is connected with a lower die holder (2) through a screw, the middle position of the lower die holder (2) is rotatably connected with a jacking supporting rod (3), the middle position of the upper end of the lower die holder (2) is fixedly provided with a lower die core (5), the upper end of the lower die holder (2) is fixedly provided with a half die ring (8) outside the lower die core (5), the upper end of the lower die holder (2) is fixedly provided with two U-shaped connecting pieces (10) through screws outside the half die ring (8), one end of each U-shaped connecting piece (10) is rotatably connected with a hydraulic push rod (9), the hydraulic push rod (9) is connected with the half die ring (8) through a rotating connecting piece (16), the lower end of the pressing plate (15) is rotatably connected with an upper die holder (14), the lower end of the upper die holder (14) is fixedly provided with a rotating block (13), and the lower end of the rotating block (13) is fixedly provided, the lower extreme of turning block (13) and the outside that is located forging and pressing drift (6) are fixed with upper die core (11), be provided with between lower die core (5) and upper die core (11) pinion (7), the outside of upper die core (11) is rotated and is connected with and puts thing board (12), it connects through four spacing guide bars (4) to put between thing board (12) and die holder (2).

2. A drive gear coining die according to claim 1 wherein the forging punch (6) is frustoconical in shape.

3. A drive gear swaging die according to claim 1 wherein the material of the half die ring (8) is H13 die steel.

4. A driving gear precision forging die according to claim 1, wherein a bearing is arranged inside the object placing plate (12), and the bearing and the rotating block (13) are connected through clamping.

5. A driving gear precision forging die according to claim 1, wherein a driving tooth is arranged inside the half die ring (8), a bevel edge is arranged at the lower end of the driving tooth, and a first driven tooth is arranged outside the lower die core (5) in a matched manner.

6. A drive gear finisher according to claim 5, wherein the outside of the upper core (11) is provided with a second driven tooth which is a clearance fit with the driving tooth.

7. A drive gear coining die according to claim 1 wherein the inner diameter of the upper end of the ejector support bar (3) is the same size as the outer diameter of the lower end of the forging punch (6), the ejector support bar (3) and forging punch (6) being a clearance fit.

8. A drive gear finisher according to claim 1 in which the ejector support rod (3) is 42 GrMo.