CN219490083U

CN219490083U - Pressure head device for pressure quenching

Info

Publication number: CN219490083U
Application number: CN202320344718.7U
Authority: CN
Inventors: 车永平
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-08
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a pressure head device for pressure quenching, which comprises an upper pressure head, wherein the lower end of the upper pressure head is provided with a lower pressure head, an adjusting bolt penetrates through the lower pressure head, and the upper end of the adjusting bolt extends into the upper pressure head; an adjusting piece is arranged between the upper pressure head and the lower pressure head. The utility model discloses a pressure head device which has a simple structure, adjustable size height and convenient overall height adjustment, is of a detachable two-part structure, can flexibly adjust an installation mode according to the size of crushing equipment during installation, has high adaptability to the adjustment of the crushing equipment and pressure quenching parameters, and meets the requirement of size differentiation in application.

Description

Pressure head device for pressure quenching

Technical Field

The utility model belongs to the technical field of pressure quenching of tooth parts, and relates to a pressure head device for pressure quenching.

Background

The pressure head is used for transmitting the hydraulic pressure of the press quenching machine tool to the mandrel of the press quenching die and expanding the press quenching mandrel to limit the excessive deformation of the workpiece. In general, when designing a press quenching die for different parts, the allowable height of the press head varies within a certain range, so long as the size chain of the press quenching die is satisfied, and when the height of the press head is determined, the press quenching process is adjusted according to the size press head.

However, in the actual production process, along with the fluctuation of the part material batch and the equipment state, certain adjustment is required to be performed on the press quenching process parameters, when the adjustment amplitude is larger and exceeds the allowable elastic interval of the height of the press head, the height of the press head is readjusted, the press head needs to be matched with different press quenching mandrels, and the structure is different, as shown in fig. 1, in some press quenching equipment, the press head is hung on the outer cover through hanging, so that the structure and the size are fixed singly, the size of the press quenching equipment cannot be adjusted according to the corresponding press quenching equipment, and when the adjustment amplitude of the parameters of the crushing equipment exceeds the allowable space of the height of the press head, the press head cannot realize the effect of the transmission pressure, so that the matching property of the press head and the press quenching equipment is lower.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the size and the height of a pressure head are fixed, cannot be adjusted, the structure is fixed and single and cannot adapt to adjustment of various different pressure quenching equipment and pressure quenching parameters, and the suitability is low, and provides a pressure head device for pressure quenching.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a pressure head device for pressure quenching, includes the pressure head, the lower extreme of going up the pressure head is provided with down the pressure head, the adjustment tank is seted up to the lower extreme of pressure head down, the upper end of pressure head is provided with the regulation portion that corresponds with the adjustment tank down, regulation portion can stretch into to the adjustment tank in.

The lower pressure head comprises a first supporting part, a second supporting part is arranged at the upper end of the first supporting part, and the adjusting part is arranged at the upper end of the second supporting part.

The utility model further improves that:

the inside wall of adjustment groove is provided with the internal thread, the lateral wall of adjustment portion is provided with the external screw thread that corresponds with the internal thread.

The diameter of the first supporting part is larger than that of the upper pressure head.

The adjusting bolt sequentially penetrates through the adjusting part and the adjusting groove and then stretches into the upper pressure head.

The lower end of the lower pressure head is provided with a fixed groove, and the adjusting bolt is arranged in the fixed groove.

An adjusting piece is arranged between the upper pressure head and the lower pressure head.

The adjusting piece is sleeved on the outer side of the adjusting part.

The adjusting piece is a gasket.

The gasket is axially provided with a plurality of gaskets in sequence.

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

the utility model discloses a pressure head device for pressure quenching, which comprises an upper pressure head and a lower pressure head which are vertically arranged and sequentially connected, wherein the upper pressure head and the lower pressure head are connected through an adjusting groove and an adjusting part, the axial length of the whole pressure head can be adjusted by changing the distance of the adjusting part extending into the adjusting groove, and the pressure head device can be flexibly adapted to the change of crushing equipment or the adjustment of parameters of the pressure quenching equipment.

Further, in the utility model, the diameter of the first supporting part is larger than that of the upper pressure head, so that the pressure distribution at the bottom of the pressure head is optimized.

Furthermore, in the utility model, the two pressure heads are connected through the adjusting bolt, the relative distance between the two pressure heads can be changed by rotating the adjusting bolt, and then the axial height formed by the two pressure heads is changed, when the crushing equipment is changed or the parameters of the pressure quenching equipment are changed, the overall height formed by the upper pressure head and the lower pressure head can be changed through the adjusting bolt, so that the pressure head device can always meet the requirements of the equipment.

Furthermore, in the utility model, the adjusting bolt is arranged in the fixing groove of the lower pressure head, so that the connection with the upper pressure head can be satisfied, and interference can not be generated when the lower end surface of the lower pressure head is fixedly connected with equipment.

Furthermore, in the utility model, the adjusting piece is arranged between the upper pressure head and the lower pressure head, the adjusting piece can not only cooperate with the upper pressure head and the lower pressure head to realize the adjustment of the total height of the pressure head device, but also can improve the stability of the whole pressure head device during operation by filling the gap between the upper pressure head and the lower pressure head,

furthermore, in the utility model, the adjusting piece is sleeved outside the adjusting part, so that the stability of the installation and fixation of the adjusting piece is improved.

Furthermore, in the utility model, a plurality of gaskets are axially sleeved in sequence, and the number of the gaskets can be changed according to the requirement so as to adjust the overall height of the gasket pressure head device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art ram structure and ram mounting;

FIG. 2 is a block diagram of a ram apparatus of the present utility model;

FIG. 3 is a diagram showing the structure of an upper ram according to embodiment 1 of the present utility model;

FIG. 4 is a diagram showing the structure of the lower ram according to embodiment 1 of the present utility model;

FIG. 5 is a diagram showing the structure of an upper ram according to embodiment 2 of the present utility model;

FIG. 6 is a diagram showing the structure of a lower head according to embodiment 2 of the present utility model;

FIG. 7 is a block diagram of a gasket of the present utility model;

fig. 8 is a cross-sectional view of a gasket of the present utility model.

Wherein: 1-an upper pressure head; 2-pressing down the head; 3-adjusting bolts; 4-spacer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is described in further detail below with reference to the attached drawing figures:

referring to fig. 2-8, the utility model discloses a pressure head device for pressure quenching, which comprises an upper pressure head and a lower pressure head which are sequentially connected, wherein the relative distance between the two pressure heads is regulated through a frequency regulation bolt, so that the overall height of the pressure head device is changed, and the allowable elastic interval of the height of the pressure head device is improved.

Comprises an upper pressure head 1; a lower pressing head 2; an adjusting bolt 3 and a spacer 4.

Example 1

Referring to fig. 2-4, the embodiment of the utility model discloses a pressure head device for pressure quenching, which comprises an upper pressure head 1, wherein the lower end of the upper pressure head 1 is provided with a lower pressure head 2, an adjusting bolt 3 penetrates through the lower pressure head 2, and the upper end of the adjusting bolt 3 extends into the upper pressure head 1; an adjusting piece is arranged between the upper pressure head 1 and the lower pressure head 2.

Further, in the embodiment of the utility model, the lower end of the upper pressure head 1 is provided with an adjusting groove, the upper end of the lower pressure head 2 is provided with an adjusting part, the adjusting groove is used for being matched with the adjusting part to enable the upper pressure head 1 and the lower pressure head 2 to be connected together, specifically, the bottom of the lower pressure head 2 is provided with a fixing groove, an adjusting bolt 3 sequentially penetrates through the fixing groove and the adjusting part and then stretches into the adjusting groove, the adjusting bolt 3 is rotated, and the adjusting part can move upwards or downwards along the adjusting groove, so that the total solid height formed by the upper pressure head 1 and the lower pressure head 2 is changed.

Furthermore, in the embodiment of the utility model, the lower end of the lower pressure head 2 is provided with the adjusting bolt through the fixing groove, so that the lower end of the adjusting bolt can be fixed in the lower pressure head 2 without influencing the connection and fixation of the bottom of the lower pressure head 2 and the pressure quenching equipment.

Example 2

Referring to fig. 5-6, the embodiment of the utility model discloses a pressure head device for pressure quenching, which comprises an upper pressure head 1, wherein the lower end of the upper pressure head 1 is provided with a lower pressure head 2, and an adjusting piece is arranged between the upper pressure head 1 and the lower pressure head 2.

Further, in the embodiment of the utility model, an adjusting groove is formed in the bottom of the upper pressure head 1, a first supporting part, a second supporting part and an adjusting part are sequentially arranged on the lower pressure head from bottom to top, wherein an inner thread is arranged on the inner side wall of the adjusting groove, an outer thread corresponding to the inner thread is arranged on the outer side wall of the adjusting part, and the adjusting part can move up and down along the adjusting groove by rotating the lower pressure head 2, so that the overall height formed by the upper pressure head 1 and the lower pressure head 2 is changed.

Further, in the embodiment of the utility model, the adjusting piece is sleeved on the outer side of the adjusting part, the adjusting piece is located at the upper end of the second supporting part, and the first supporting part is used for being connected with the crushing equipment.

Referring to fig. 7-8, further, in the embodiment of the present utility model, the adjusting member is a gasket 4, the gasket 4 is disposed between the upper pressure head 1 and the lower pressure head 2, the number of the gaskets 4 can be changed according to actual requirements, the heights of the two pressure heads are adjusted, and gaskets with different thicknesses are disposed to adjust the sizes of the pressure heads, so that the adaptability of the gasket is higher, so as to meet the process adjustment requirements of the same part or even different parts.

Furthermore, in the embodiment of the utility model, the two pressure heads are of a split structure design, so that the difference of the lower pressure head structures is realized, namely, the lower pressure head structures are optimized according to the different mandrel structures, so as to obtain better pressure distribution.

Further, in the embodiment of the present utility model, the diameters of the two pressure heads may be the same or different, and when the installation is performed, the diameter of the lower pressure head may be smaller than the diameter of the outer cover of the press quenching machine or larger than the diameter of the outer cover, and the specific installation process is as follows:

referring to fig. 2-4, when the lower ram outer diameter is smaller than the housing mounting hole:

(1) According to the required height of the pressure head, a lower pressure head, a gasket (selected according to the required number and thickness) and an upper pressure head are sequentially installed according to the assembly diagram of FIG. 2, and then the pressure head is fastened by using a fixing bolt;

(2) After the firm and unbalanced loading of the installed pressure head is confirmed, the die and the outer cover are installed, and the new assembled pressure head is directly placed into the outer cover mounting hole according to the installation method of the old pressure head.

Referring to fig. 5-6, the outer diameter of the lower ram is larger than the housing mounting hole:

(1) The lower pressure head 2 is placed at the central position of the upper end of the die mandrel and fixed (the fixing is mainly used for preventing the die from shaking during the transfer and the subsequent installation), and if a gasket 4 is needed to be added, the gasket is added according to the thickness requirement;

(2) Transferring the die assembly with the lower pressing head 2 from the machine tool feeding position to the machine tool working position for installing the outer cover, and transferring the die assembly to the machine tool feeding position after the outer cover is installed;

(3) The upper pressure head 1 is installed through the outer cover installation hole, and the installation can be completed through rotary screwing.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a pressure head device for pressure quenching, its characterized in that includes pressure head (1), the lower extreme of going up pressure head (1) is provided with down pressure head (2), the adjustment tank is seted up to the lower extreme of pressure head (2), the upper end of pressure head (2) is provided with the regulation portion that corresponds with the adjustment tank down, regulation portion can stretch into to the adjustment tank in.

2. A press head device for press quenching according to claim 1, characterized in that the lower press head (2) comprises a first support part, the upper end of which is provided with a second support part, and the adjusting part is arranged at the upper end of the second support part.

3. The press head device for press quenching according to claim 2, wherein the inner side wall of the adjusting groove is provided with an internal thread, and the outer side wall of the adjusting portion is provided with an external thread corresponding to the internal thread.

4. A press quenching press head device according to claim 2, characterized in that the diameter of the first support part is larger than the diameter of the upper press head (1).

5. The press quenching press head device according to claim 1, further comprising an adjusting bolt (3), wherein the adjusting bolt (3) sequentially penetrates through the adjusting part and the adjusting groove and then extends into the upper press head (1).

6. The pressure head device for pressure quenching according to claim 5, wherein a fixing groove is formed in the lower end of the lower pressure head (2), and the adjusting bolt (3) is arranged in the fixing groove.

7. A press-quenching press head device according to claim 1, characterized in that an adjusting member is provided between the upper press head (1) and the lower press head (2).

8. The press quenching press head device according to claim 7, wherein the adjusting member is sleeved outside the adjusting portion.

9. A press head device for press quenching according to claim 8, characterized in that the adjusting member is a shim (4).

10. The pressure head device for press quenching according to claim 9, wherein a plurality of gaskets (4) are axially arranged in sequence.