CN217670612U - Automobile upright post forming die - Google Patents

Abstract

The application discloses car stand forming die, belong to mould equipment technical field, be used for reducing unedged production in the forming process, and the production efficiency is improved, the low pressure heater reduces the processing cost, including the external mold, the centre form, division board and unable adjustment base, the upper end of external mold is provided with the pipeline link, the pipeline link is suitable for with outside notes material pipeline and bleeder line connection, the external mold has been seted up by the bottom surface to the well cavity that link up to inside, be provided with the centre form in the well cavity, partly well cavity between centre form and the external mold is suitable for the die cavity as car stand, the below of external mold and centre form is provided with the division board, the below of division board is provided with unable adjustment base, unable adjustment base's upper surface is provided with the joint flange, the joint flange passes division board and centre form fixed connection, be provided with the sealing strip between division board and the external mold. This practical structure is simple, production efficiency is high, can not produce deckle edge on the surface of product for the manufacturing cost of product has obtained effective reduction.

Description

Automobile upright post forming die

Technical Field

The application relates to the technical field of mold equipment, in particular to an automobile stand column forming mold.

Background

The automobile upright post is divided into an A post, a B post and a C post and is used for supporting the roof and protecting passengers in a cab. The AB column also creates a blind field of view for the driver, so the present vehicles have narrow AB column designs.

However, if the narrowed column is made of an alloy material, the column is very easily deformed, so that many manufacturers select a synthetic plastic material having a lighter weight and a higher structural strength to manufacture the column. Forming die need be used in the production of stand, and current car stand forming die has following defect: for example, in the casting process in order to avoid the production of material cavity, can leave a lot of exhaust holes or exhaust gap inside the mould, but such design makes the deckle edge of the product after the shaping more serious again, need get rid of the deckle edge of the upright surface irregularity through equipment of polishing and just can use, and the process of polishing has increased the processing of product and has consumed time, has reduced the production efficiency of car upright. In order to solve the problems, a novel automobile stand column forming die is provided.

Disclosure of Invention

The application aims to reduce the generation of burrs in the forming process, improve the production efficiency and reduce the processing cost.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: this automobile stand forming die, including external mold, centre form, division board and unable adjustment base, the upper end of external mold is provided with the pipeline link, the pipeline link is suitable for with outside notes material pipeline and air extraction tube coupling, the cavity that is link up to inside by the bottom surface is seted up to the external mold, be provided with the centre form in the cavity, the centre form with part between the external mold cavity well cavity is suitable for the die cavity as automobile stand, the below of external mold and centre form is provided with the division board, conveniently separates fashioned product and centre form, the below of division board is provided with unable adjustment base, unable adjustment base's upper surface is provided with the joint flange, the joint flange passes division board and centre form fixed connection, the division board with be provided with the sealing strip between the external mold for the inside die cavity formation vacuum environment of help mould.

Preferably, the partition plate is provided with a clamping groove which is communicated up and down, and the clamping groove is suitable for being matched with the clamping flange and used for limiting the relative position of the partition plate and the fixed base.

Preferably, the partition plate is fixedly connected with a sealing strip at a position on the upper surface and close to the edge, the outer die is provided with a sealing groove at a position on the lower surface and close to the edge, and the sealing groove is suitable for being matched with the sealing strip and is used for ensuring the sealing property between the outer die and the partition plate.

Preferably, a separating shifting plate is fixedly connected to a side surface of the separating plate, and the separating shifting plate is suitable for exerting force on the separating plate.

Preferably, the fixing base is provided with a through hole with a through upper surface and a through lower surface, the lower surface of the inner die is provided with a threaded hole, and the fixing base is in threaded connection with the threaded hole of the inner die through a fastening bolt at the through hole, so that the fixing base is convenient to detach and connect and has high connecting and fastening force.

Preferably, the pipeline connecting end is made of a heat-resistant alloy material, so that the shape stability can be ensured at high temperature.

Preferably, the sealing strip is made of acrylate rubber, and still has high structural stability at high temperature.

Preferably, a plurality of positioning grooves are formed in the edge of the upper surface of the fixing base and are suitable for being clamped with a positioning piece of the working platform, and the fixing base is convenient to install and detach.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By designing the inner layer and the outer layer of the die, burrs generated on the surface of a product due to fit gaps between the dies are avoided, the formed product does not need to be polished, the processing deficiency is reduced, and the processing cost is reduced;

(2) The vacuum environment is formed in the die cavity inside the die in the air exhaust mode, the casting liquid is sucked into the die cavity in the negative pressure mode without arranging the exhaust holes, the surface smoothness of the formed product is improved, meanwhile, the generation of bubbles is reduced, and the product has higher quality.

Drawings

FIG. 1 is a schematic view of a matching relationship of the automobile pillar forming mold;

FIG. 2 is an enlarged view of a portion A of the automobile pillar forming mold shown in FIG. 1;

FIG. 3 is a perspective view of the internal structure of the automobile pillar molding mold;

FIG. 4 is a schematic external mold view of the automobile pillar forming mold;

FIG. 5 is a perspective view of a divider plate of the automobile pillar molding die;

fig. 6 is a perspective view of the fixing base of the automobile pillar molding die.

In the figure: 1. an outer mold; 101. a hollow cavity; 102. a sealing groove; 2. an inner mold; 201. a threaded hole; 3. a partition plate; 301. a clamping groove; 302. a sealing strip; 303. separating the shifting plate; 4. a fixed base; 401. clamping the flanges; 402. a through hole; 403. positioning a groove; 5. a pipeline connecting end; 6. and fastening the bolt.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

The automobile column forming die shown in fig. 1-6 comprises an outer die 1, an inner die 2, a partition plate 3 and a fixed base 4, wherein the outer die 1, the inner die 2, the partition plate 3 and the fixed base 4 are used as mutually detachable parts of the die, the upper end of the outer die 1 is provided with a pipeline connecting end 5 for connecting with an external pipeline, the pipeline connecting end 5 is made of a heat-resistant alloy material and can bear high-temperature casting liquid, the pipeline connecting end 5 is suitable for being connected with an external material injection pipeline and an external air suction pipeline, and the casting liquid can enter a die cavity through the pipeline connecting end 5 when being connected with the material injection pipeline; when the automobile vertical post is connected with an air suction pipeline, air in a die cavity can be discharged through a pipeline connecting end 5, a hollow cavity 101 which is communicated from the bottom surface to the inside is formed in an outer die 1 and is used for forming a die cavity, an inner die 2 is arranged in the hollow cavity 101 and is matched with the outer die 1 to form a forming die, part of the hollow cavity 101 between the inner die 2 and the outer die 1 is suitable for being used as a die cavity of an automobile vertical post, the space characteristic of the automobile vertical post is constructed, a partition plate 3 is arranged below the outer die 1 and the inner die 2 and is used for separating the formed automobile vertical post from a fixed base 4, the fixed base 4 is arranged below the partition plate 3, the whole die is conveniently fixed on a platform during casting, a clamping flange 401 is arranged on the upper surface of the fixed base 4 and is used for limiting the placing angle of the partition plate 3, the clamping flange 401 penetrates through the partition plate 3 to be fixedly connected with the inner die 2 to form a die whole, the fixed base 4 is provided with a through hole 402, the lower surface of the inner die 2 is provided with a threaded hole 201, the fixed base 4 is conveniently installed and disassembled, the inner die, the clamping flange 301 is provided with a clamping groove, the clamping groove and the clamping groove can be suitable for being relatively fixed base 3 and the clamping groove 401.

The side face of the partition plate 3 is fixedly connected with a separating shifting plate 303, when a formed automobile stand column is separated from the inner die 2, an upward acting force is provided for the partition plate 3, the separating shifting plate 303 is suitable for applying the acting force to the partition plate 3 and used for demoulding the formed stand column, a sealing strip 302 is arranged between the partition plate 3 and the outer die 1, the sealing strip 302 is fixedly connected to the upper surface of the partition plate 3 and is close to the edge, a sealing groove 102 is formed in the lower surface of the outer die 1 and is close to the edge, the sealing groove 102 is suitable for being matched with the sealing strip 302, the sealing strip 302 is made of acrylate rubber and used for sealing an internal cavity of the die, and the die can form an internal vacuum cavity after air exhaust.

A plurality of constant head tanks 403 have been seted up to fixed baseplate 4's upper surface edge, and constant head tank 403 is suitable for the setting element joint with work platform, and fixed baseplate 4 just can place stably on work platform when the casting like this.

The working principle of the automobile stand column forming die is as follows: before casting, a fixed base 4, a partition plate 3 and an inner mold 2 are fixed together through fastening bolts 6, an outer mold 1 is sleeved on the inner mold 2, a sealing strip 302 is fitted with a sealing groove 102, a pipeline connecting end 5 is connected with an external suction pipeline, an air source is started, air in a hollow cavity 101 is pumped out to form a vacuum chamber, the sealing strip 302 can tightly press the sealing groove 102 of the outer mold 1 under the action of external air pressure, the outer mold 1 is stably fixed on the partition plate 3, the external suction pipeline is pulled out and connected with the external melt pipeline, casting liquid is quickly sucked into a mold cavity under the action of negative pressure in the mold, the external melt pipeline can also apply pressure to the casting liquid, the external melt pipeline can be pulled out when the interior of the mold cavity cannot be injected any more, cooling water is poured onto the outer mold 1 under the action of the self-position maintaining of the adsorption force of raw materials in the mold cavity, the raw materials in the mold 1 can be cooled and shrunk to be smaller than the adsorption force of the outer mold 1, the raw materials can be pulled out from a formed upright column continuously cooled, a pulling plate 303 can be pulled out, and a small amount of the residual raw materials on the outer mold 2 can be easily heated and formed, and a finished automobile can be easily formed by simply heating the external suction wheel.

The foregoing has described the principles, principal features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (8)

1. The utility model provides an automobile stand forming die which characterized in that: including external mold, centre form, division board and unable adjustment base, the upper end of external mold is provided with the pipeline link, the pipeline link is suitable for and annotates material pipeline and air extraction pipe connection with the outside, the external mold is seted up by the bottom surface to the well cavity that link up to inside, be provided with the centre form in the well cavity, the centre form with part between the external mold well cavity is suitable for the die cavity as the car stand, the below of external mold and centre form is provided with the division board, the below of division board is provided with unable adjustment base, unable adjustment base's upper surface is provided with the joint flange, the joint flange passes division board and centre form fixed connection, the division board with be provided with the sealing strip between the external mold.

2. The automobile pillar molding die of claim 1, wherein: the partition plate is provided with a vertically through clamping groove, and the clamping groove is suitable for being matched with the clamping flange.

3. The automobile pillar molding die of claim 1, wherein: the outer die is characterized in that the position, close to the edge, of the upper surface of the partition plate is fixedly connected with a sealing strip, the position, close to the edge, of the lower surface of the outer die is provided with a sealing groove, and the sealing groove is suitable for being matched with the sealing strip.

4. The automobile pillar forming mold according to claim 3, wherein: the side surface of the separation plate is fixedly connected with a separation shifting plate, and the separation shifting plate is suitable for exerting force on the separation plate.

5. The automobile pillar molding die of claim 1, wherein: the fixing base is provided with a through hole with a through upper surface and a through lower surface, the lower surface of the inner die is provided with a threaded hole, and the fixing base is in threaded connection with the threaded hole of the inner die through a fastening bolt at the through hole.

6. The automobile pillar molding die of claim 1, wherein: the pipeline connecting end is made of heat-resistant alloy materials.

7. The automobile pillar molding die of claim 1, wherein: the sealing strip is made of acrylate rubber.

8. The automobile pillar molding die of claim 1, wherein: a plurality of positioning grooves are formed in the edge of the upper surface of the fixed base and are suitable for being clamped with positioning pieces of the working platform.

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