CN215237529U - Universal joint cross axle mould - Google Patents

Abstract

The utility model belongs to the technical field of the forging mould, concretely relates to universal joint cross axle mould, including lower die, last die, be equipped with concave lock catch on the lower die, be equipped with male lock catch on the last die, it carries out the compound die through male lock catch, concave lock catch mutual correspondence and lower die to go up the die, all be equipped with the die cavity on lower die, the last die, all be equipped with the air discharge duct in lower die, the last die, all be equipped with a plurality of die cavities in lower die, the last die, the die cavity passes through the air discharge duct and links to each other with the die cavity, the utility model provides a current forging inefficiency, material utilization is not high, can not forge in batches, and upper and lower mould squints, and upper and lower mould appears the problem of dislocation phenomenon.

Description

Universal joint cross axle mould

Technical Field

The utility model belongs to the technical field of forge mould, concretely relates to universal joint cross axle mould.

Background

The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The universal joint is combined with a transmission shaft and is called a universal joint transmission device. On a vehicle driven by a front engine and a rear wheel, a universal joint transmission device is arranged between an output shaft of a transmission and an input shaft of a main speed reducer of a drive axle, while the vehicle driven by the front engine and the front wheel omits a transmission shaft, and the universal joint is arranged between a front axle half shaft which is responsible for driving and steering and wheels.

Chinese patent with application number cn201420021795.x discloses a mould of casting universal joint blank, including last die, lower die, it is equipped with the through-hole to go up die bottom surface center department, the through-hole edge is equipped with the recess, die top center department is equipped with the through-hole down, and the through-hole edge is equipped with the recess, be formed with the inner chamber after recess and the recess equipment, the inner chamber shape is the same with the outline shape of waiting to process the product, and the one end of recess is connected with the through-hole. The design of the die is beneficial to reducing equipment cost, reducing the emission of waste gas and energy consumption in the process of producing the universal joint, and being beneficial to protecting the environment, and the precision of the produced universal joint is higher.

However, the forging efficiency in the above prior art is low, the material utilization rate is not high, especially in the forging process, forging can be performed only one by one, and batch forging cannot be performed, and in the mold closing process, the above mold has no component capable of aligning the upper mold and the lower mold, so that the phenomena of inaccurate mold closing and dislocation of the upper mold and the lower mold may occur.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a universal joint cross axle mould for solve current forging inefficiency, material utilization is not high, can not forge in batches, and upper and lower mould squints, and the problem of dislocation phenomenon appears in upper and lower mould.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a universal joint cross axle mould, includes die, last die down, be equipped with concave lock catch on the lower die, be equipped with convex lock catch on going up the die, it corresponds each other through convex lock catch, concave lock catch and carries out the compound die with lower die to go up the die, all be equipped with die cavity down on die, the last die, all be equipped with the air discharge duct down in die, the last die, all be equipped with a plurality of die cavitys down in die, the last die, the die cavity passes through the air discharge duct and links to each other with die cavity.

Furthermore, sealing blocks are arranged on the inner sides of the lower concave die and the upper concave die.

The sealing block can make the lower concave die and the upper concave die more compact during die assembly, and gaps are avoided when the lower concave die and the upper concave die are assembled, so that liquid leakage of the die is caused.

Furthermore, a plurality of side fixing holes are formed in the side face of the lower female die, and the side fixing holes are evenly distributed in the side face of the lower female die.

And the side fixing holes are uniformly distributed on the side surface of the lower female die, so that the side surface of the lower female die is conveniently arranged on the fixed rack.

Furthermore, a plurality of top fixing holes are formed in the top of the upper female die, and the top fixing holes are evenly distributed in the top of the upper female die.

The plurality of top fixing holes are uniformly distributed on the top of the upper female die, so that the upper female die can be mounted on the moving rack, and the moving rack controls die assembly and die opening of the die.

Further, the depth of the die cavity is smaller than the thickness of the lower concave die and the upper concave die.

The depth of the die cavity is smaller than the thickness of the lower female die and the upper female die, so that the die cavity keeps the shape of a complete part, and the die is prevented from being broken and leaked.

Further, the side walls of the female lock catch and the male lock catch are inclined, and the inclination angle is between 5 degrees and 30 degrees.

The side walls of the concave lock catch and the convex lock catch have inclination angles, so that the corresponding positions of the lower concave die and the upper concave die can be found more easily in the die assembly process.

Compared with the prior art, the utility model, following beneficial effect has:

1. the forging efficiency is high, the material utilization rate is high, the die is simple, and the batch production is convenient;

2. the locking mold is adopted to control and ensure the offset of the upper mold and the lower mold, so that the problem of misalignment of the upper mold and the lower mold is prevented;

3. can be according to the size of product specification, once forge and can forge many, can improve forging output efficiency greatly, because of once forges many, the unloading blank shearing number of times also reduces simultaneously for product output and productivity, have better economic benefits.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a universal joint cross shaft mold of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a lower female die in an embodiment of a universal joint cross shaft die of the present invention;

FIG. 3 is a schematic perspective view of an upper female die in an embodiment of a universal joint cross shaft die of the present invention;

reference numerals in the drawings of the specification include:

the die comprises a lower female die 1, a side fixing hole 101, an upper female die 2, a top fixing hole 201, a female lock catch 3, a male lock catch 4, a die opening groove 5, an exhaust groove 6, a die cavity 7 and a sealing block 8.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning 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. 1-3, the utility model relates to a universal joint cross axle mould, including lower die 1, go up die 2, be equipped with female hasp 3 down on die 1, upward be equipped with male lock 4 on die 2, go up die 2 through male lock 4, female lock 3 corresponds each other and carries out the compound die with lower die 1, all be equipped with die cavity 5 on going up die 2, all be equipped with air discharge duct 6 in lower die 1, the last die 2, lower die 1, all be equipped with a plurality of die cavities 7 in the last die 2, die cavity 7 links to each other with die cavity 5 through air discharge duct 6. Particularly, female lock catch 3 mutually supports with male lock catch 4, gives die 1 down, goes up die 2 and provides the direction of compound die, and die 1, the offset of going up die 2 under control and assurance prevent die 1, the misplugging of going up die 2 down, and die cavity 5 of opening can let the user more conveniently separate die 1, last die 2 down after forging the completion, and the inside air of die cavity 7 can be got rid of to air discharge duct 6, lets the shaping rate of forging the part improve.

Example two:

this embodiment is as the further improvement of last embodiment, as shown in fig. 1-3, the utility model relates to a universal joint cross axle mould, including lower die 1, go up die 2, be equipped with female hasp 3 on the lower die 1, be equipped with male lock catch 4 on going up die 2, go up die 2 through male lock catch 4, female hasp 3 corresponds each other and carries out the compound die with lower die 1, all be equipped with die cavity 5 down on die 1, the last die 2, all be equipped with exhaust duct 6 in lower die 1, the last die 2, all be equipped with a plurality of die cavities 7 down in die 1, the last die 2, die cavity 7 links to each other with die cavity 5 through exhaust duct 6. Particularly, female lock catch 3 mutually supports with male lock catch 4, gives die 1 down, goes up die 2 and provides the direction of compound die, and die 1, the offset of going up die 2 under control and assurance prevent die 1, the misplugging of going up die 2 down, and die cavity 5 of opening can let the user more conveniently separate die 1, last die 2 down after forging the completion, and the inside air of die cavity 7 can be got rid of to air discharge duct 6, lets the shaping rate of forging the part improve.

The inner sides of the lower concave die 1 and the upper concave die 2 are both provided with a sealing block 8. Particularly, the sealing block 8 can enable the lower concave die 1 and the upper concave die 2 to be more compact in die assembly, and avoids the phenomenon that liquid leaks from the die due to the fact that gaps appear in the die assembly of the lower concave die 1 and the upper concave die 2.

The side of the lower concave die 1 is provided with a plurality of side fixing holes 101, and the side fixing holes 101 are uniformly distributed on the side of the lower concave die 1. Specifically, the side fixing holes 101 are uniformly distributed on the side of the lower female die 1, so that the side of the lower female die 1 is conveniently installed on the fixing rack.

Go up the die 2 top and be equipped with a plurality of top fixed orificess 201, a plurality of top fixed orificess 201 evenly distributed are at the top of last die 2. Specifically, the top fixing holes 201 are uniformly distributed on the top of the upper female die 2, so that the upper female die 2 can be mounted on the moving rack, and the moving rack controls the die closing and die opening of the die.

The depth of the die cavity 7 is less than the thickness of the lower concave die 1 and the upper concave die 2. Specifically, the depth of the die cavity 7 is smaller than the thicknesses of the lower concave die 1 and the upper concave die 2, so that the die cavity 7 keeps a complete part shape, and the die is prevented from being broken.

The side walls of the female lock catch 3 and the male lock catch 4 have an inclined angle, and the inclined angle is between 5 degrees and 30 degrees. Specifically, the side walls of the female lock catch 3 and the male lock catch 4 have an inclination angle, so that the corresponding positions of the lower concave die 1 and the upper concave die 2 can be found more easily in the die assembly process.

Compared with the first embodiment, in the second embodiment, the lower concave die 1 and the upper concave die 2 can be more tightly closed by the sealing block 8, gaps are prevented from occurring when the lower concave die 1 and the upper concave die 2 are closed, the side faces of the lower concave die 1 are uniformly distributed on the side faces of the plurality of side face fixing holes 101, the side faces of the lower concave die 1 are convenient to install on the fixed rack, the top faces of the upper concave die 2 are uniformly distributed on the plurality of top fixing holes 201, the upper concave die 2 can be installed on the moving rack, the depth of the die cavity 7 is smaller than that of the lower concave die 1, the thickness of the upper concave die 2 is used for enabling the die cavity 7 to keep a complete part shape, the side walls of the concave lock catch 3 and the side wall of the convex lock catch 4 have inclination angles, and the corresponding positions of the lower concave die 1 and the upper concave die 2 can be found more easily in the closing process.

The use method of the device comprises the following steps: will die 1 down, go up die 2 and part, pack into raw and other materials in die cavity 7, then carry out the compound die, let concave lock catch 3 and convex lock catch 4 closed each other, make die 1 down, go up die 2 in close contact with, heat the mould afterwards, let raw and other materials melt at die cavity 7, the air in die cavity 7 is discharged through exhaust duct 6, later stop heating, wait for raw and other materials cooling, after the cooling, insert the pinch-bar in opening die cavity 5, will die 1 down, go up die 2 and prize, the motion frame lifts up die 2 afterwards, take out the part that the forging was accomplished, cut edge and polish.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics of the embodiments is not described herein, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. The utility model provides a universal joint cross axle mould which characterized in that: including lower die (1), go up die (2), be equipped with female hasp (3) down on die (1), upward be equipped with male lock catch (4) on die (2), upward die (2) correspond each other through male lock catch (4), female hasp (3) and carry out the compound die with lower die (1), all be equipped with die cavity (5) down on die (1), the last die (2), all be equipped with air discharge duct (6) down in die (1), the last die (2), all be equipped with a plurality of die cavities (7) down in die (1), the last die (2), die cavity (7) link to each other with die cavity (5) through air discharge duct (6).

2. The universal joint cross mold of claim 1, wherein: and sealing blocks (8) are arranged on the inner sides of the lower concave die (1) and the upper concave die (2).

3. The universal joint cross mold of claim 2, wherein: the side of the lower female die (1) is provided with a plurality of side fixing holes (101), and the side fixing holes (101) are uniformly distributed on the side of the lower female die (1).

4. The universal joint cross mold of claim 3, wherein: go up die (2) top and be equipped with a plurality of top fixed orificess (201), it is a plurality of top fixed orificess (201) evenly distributed is at the top of last die (2).

5. The universal joint cross mold of claim 4, wherein: the depth of the die cavity (7) is smaller than the thickness of the lower concave die (1) and the upper concave die (2).

6. The universal joint cross mold of claim 5, wherein: the side walls of the concave lock catch (3) and the convex lock catch (4) are inclined, and the inclination angle is 5-30 degrees.

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