CN212442765U

CN212442765U - Water expansion die for forming main cylinder of water expansion machine

Info

Publication number: CN212442765U
Application number: CN202020693641.0U
Authority: CN
Inventors: 乔新建
Original assignee: Wuxi Hongrui Automotive Components Co ltd
Current assignee: Wuxi Hongrui Automotive Components Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-02
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a fashioned water of water inflation machine master cylinder mould relates to the metal material shaping field. The water inflation mould includes: a male die fixed on the lower template and a female die fixed on the upper template; the female die moves downwards, and the male die is inserted into the groove of the female die; a cavity is arranged between the inner wall surface of the groove of the female die and the peripheral surface of the male die; the cavity is provided with a water injection channel communicated with the outside, and the internal high-pressure fluid enters the cavity through the water injection channel. The utility model discloses a disposable processing can be accomplished to the water bloated mould, and reduction in production cost improves production efficiency and finished product quality.

Description

Water expansion die for forming main cylinder of water expansion machine

Technical Field

The utility model relates to a metal material shaping field especially relates to a fashioned water of water expansion owner jar mould.

Background

For the purpose of energy saving and emission reduction, lightweight design of vehicles is becoming popular. The light weight not only optimizes the material performance and reduces the material thickness, but also combines a plurality of parts into one part during the design, thereby reducing the tailor welding.

In the production process of vehicle parts, some automobile pipe fittings are formed by combining a plurality of sections of pipe fittings with different sections. The external die of the part needs to be manufactured with a special die or processed in sections for splicing. The processing mode has many procedures, the production cost is high, and the quality of the final finished product is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at provides a water bloated mould of water bloated quick-witted master cylinder shaping accomplishes disposable processing, reduction in production cost, improvement production efficiency and finished product quality.

Particularly, the utility model provides a fashioned water expansion mould of water expansion machine master cylinder, include: a male die fixed on the lower template and a female die fixed on the upper template; the female die moves downwards, and the male die is inserted into the groove of the female die; a cavity is arranged between the inner wall surface of the groove of the female die and the peripheral surface of the male die; the cavity is provided with a water injection channel communicated with the outside, and internal high-pressure fluid enters the cavity through the water injection channel.

Preferably, the product to be molded is sleeved on the peripheral surface of the male die; the molding shape of the product is matched with the inner wall surface of the female die; an inner core of the male die is provided with a water injection channel, one inlet of the water injection channel is communicated to the outside, and at least one outlet is communicated to the cavity; and the inner high-pressure fluid enters the cavity through the water injection channel to expand the product to be molded into the molded shape of the product.

Preferably, the transit part of the water injection channel is a space dug along the axial direction of the male die, the water injection port of the water injection channel is an inlet communicated with the transit part from the outside, and the water outlet of the water injection channel is an outlet communicated with the cavity from the transit part.

Preferably, the female die is provided with a drainage vent hole, and the drainage vent hole is a channel for communicating the outer peripheral surface and the inner wall surface of the female die.

Preferably, the male die is provided with a sealing ring above the cavity.

Preferably, the groove is connected with the upper template through an upper die cushion block, the center of the upper die cushion block is hollow, and a discharging pressure spring and an inner discharging block are arranged in the upper die cushion block.

Preferably, the stamping die further comprises an inner discharging block arranged above the male die, the top of the male die is provided with a protrusion, the bottom of the inner discharging block is provided with a pit matched with the protrusion, and the upper part of the inner discharging block is connected with the upper die plate through a discharging spring.

The utility model discloses a water bloated mould utilizes the pressure of water bloated quick-witted master cylinder, and the downside of mould adopts terrace die and the rigid pressure seal of die piece, and the upside of mould adopts sealing washer and die cavity to seal. Meanwhile, the female die has a shaping effect on the caliber of the part. The male die is provided with a water injection hole, and internal high-pressure water is injected into the cavity of the die through the water injection hole, so that the part is rapidly expanded and molded. The side surface of the cavity of the female die is provided with the water and air discharging holes to discharge water and air, so that one-time processing is completed, the production cost is reduced, and the production efficiency and the quality of finished products are improved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.

In the drawings:

fig. 1 is a diagram of a product according to an embodiment of the present invention, in which a product to be formed is shown on the left side and a formed shape of a processed product is shown on the right side;

fig. 2 is a schematic view of a water-swelling mold according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along section line B-B in FIG. 2;

fig. 4 is a perspective view of the water-swelling mold shown in fig. 2 and 3.

The symbols in the drawings have the following meanings:

1-an upper template, 2-a lower template, 3-an upper die cushion block, 4-a discharging spring, 5-an inner discharging block, 6-a first female die, 7-a sealing ring, 8-a second female die, 9-a male die, 10-a water injection channel, 11-a water injection port, 12-a water outlet and 13-a water discharge and exhaust port.

Detailed Description

As shown in FIG. 1, the product to be formed by machining in this embodiment is composed of a plurality of sections of pipe members with different sections and pipe diameters. The pipe fitting is machined using the water-swelling die of figures 2, 3, 4.

As shown in fig. 2, the water-swelling mold mainly includes a female mold and a male mold 9. The male die 9 is divided into a base and a processing section, and the base is upward the processing section. The base of the male die 9 is connected with the lower die plate 2 through bolts. The peripheral surface of the processing section is matched with the product to be formed, so that the pipe section of the product to be processed is sleeved outside the processing section of the male die 9. Because the diameter of the processing section is smaller than that of the base, a step is arranged between the processing section and the base.

As shown in fig. 3, the core of the male die 9 is hollowed out with a water injection channel 10 along the axial direction, and the center of the water injection channel 10 is the middle turning part of the fluid. A water filling port 11 which is communicated with the outside and a water filling channel 10 is arranged at the base of the male die 9. The processing section of the male die 9 is provided with a water outlet 12 which is communicated with the peripheral surface of the processing section and the water injection channel 10. The plurality of water outlets 12 are uniformly distributed on the surface of the outer peripheral surface of the processing section. The product to be molded is sleeved at the processing section, the inner high-pressure fluid flows from the water injection port 11 to the water injection channel 10 and then to the water outlet 12, and an impact force is given to the inner wall surface of the product to be molded to assist the product to be molded to expand outwards.

An upper die cushion block 3, a first concave die 6 and a second concave die 8 are arranged below the upper die plate 1. The upper template 1 is connected with an upper die cushion block 3. The center of the upper die cushion block 3 is hollow, and a discharging spring 4 is connected in the upper die cushion block. An inner discharging block 5 is arranged below the discharging spring 4. The male die 9 is arranged right below the inner discharging block 5. The top of the male die 9 is provided with a bulge, and the bottom of the inner discharging block 5 is provided with a pit matched with the bulge. The bulges and the pits are convenient for installing and positioning the die.

And a first concave die 6 and a second concave die 8 are respectively connected below the lower die cushion block 3. The reason why the two concave dies are arranged from top to bottom in the embodiment is as follows: the product to be molded is divided into two sections with different sections and different diameters and a transition section between the two sections. The first section has smaller processing degree, and the second section has larger processing degree and needs expansion molding. Therefore, the first concave die 6 takes charge of the first section, and the inner wall surface of the first concave die 6 is matched with the formed first section. The bottom of the first concave die 6 is also provided with a transition radian which is matched with the formed transition section. The second concave die 8 is responsible for the second section, and the inner wall surface of the second concave die 8 is matched with the formed second section. The bottom of the second female die 8 falls on the step surface of the male die 9. The second female die 8 is provided with a water discharge and air exhaust hole 13. The drainage and exhaust hole 13 is a passage for communicating the outer peripheral surface and the inner wall surface of the second female die 8.

The transition radian of the first concave die 6, the inner wall surface of the second concave die 8, the outer surface of the convex die 9 and the step of the convex die 9 form a relatively closed cavity. A sealing ring 7 is arranged at the contact part of the male die 9 and the first female die 6, namely above the die cavity.

In summary, the processing flow of the present embodiment is as follows. And sleeving the product to be molded on the processing section. The main cylinder of the water expansion machine moves downwards to drive the female die and the inner discharging block 5 to move downwards. The inner stripper shoe 5 is fitted over the punch 9. The male die 9 is inserted into the groove of the female die. Then, water is supplied from the outside to the water supply channel 10 of the male mold 9. The inner high-pressure fluid flows from the water filling port 11 to the water filling channel 10 and then to the water outlet 12, and an impulsive force is given to the inner wall surface of the product to be molded, so that the product to be molded is assisted to expand outwards. Due to the limitation of the transition radian of the first concave die 6 and the inner wall surface of the second concave die 8, the product to be molded finally expands into the molded shape of the product. During the expansion process, the excess fluid can leave the die cavity along with the drainage vent hole 13, thereby avoiding explosion caused by overhigh internal pressure.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. The utility model provides a fashioned water bloated mould of water bloated master cylinder which characterized in that includes: a male die fixed on the lower template and a female die fixed on the upper template; the female die moves downwards, and the male die is inserted into the groove of the female die; a cavity is arranged between the inner wall surface of the groove of the female die and the peripheral surface of the male die; the cavity is provided with a water injection channel communicated with the outside, and internal high-pressure fluid enters the cavity through the water injection channel.

2. The water expansion die formed by the main cylinder of the water expansion machine according to claim 1, wherein a product to be formed is sleeved on the outer peripheral surface of the male die; the molding shape of the product is matched with the inner wall surface of the female die; an inner core of the male die is provided with a water injection channel, one inlet of the water injection channel is communicated to the outside, and at least one outlet is communicated to the cavity; and the product to be molded is expanded into the molded shape of the product.

3. The water expansion die formed by the main cylinder of the water expansion machine according to claim 2, wherein the transit portion of the water injection channel is a space dug out along the axial direction of the male die, the water injection port of the water injection channel is an inlet communicated with the outside to the transit portion, and the water outlet of the water injection channel is an outlet communicated with the cavity by the transit portion.

4. The water-swelling die for molding the water-swelling main cylinder according to claim 2 or 3, wherein the female die is provided with a drainage vent hole which is a passage communicating an outer peripheral surface and an inner wall surface of the female die.

5. The water inflation die for molding of a main cylinder of a water inflation machine according to claim 2, wherein the male die is provided with a sealing ring above the cavity.

6. The water expansion die formed by the main cylinder of the water expansion machine according to claim 1, wherein the groove is connected with the upper die plate through an upper die cushion block, the center of the upper die cushion block is hollow, and a discharging pressure spring and an inner discharging block are arranged in the upper die cushion block.

7. The water inflation die formed by the main cylinder of the water inflation machine as claimed in claim 6, further comprising an inner discharging block arranged above the male die, wherein the top of the male die is provided with a protrusion, the bottom of the inner discharging block is provided with a pit matched with the protrusion, and the upper part of the inner discharging block is connected with the upper die plate through a discharging spring.