CN210702354U - Automobile exhaust pipe sand core forming die - Google Patents

Abstract

The utility model provides an automobile exhaust pipe sand core forming die, which comprises an upper die and a lower die, wherein the upper die is aligned with the lower die, the upper die comprises a first template and a second template, the first template is fixedly connected with the second template, the second template faces the lower die, the first template is provided with a first mounting groove, a third template and a fourth template, the third template and the fourth template are symmetrically arranged in the first mounting groove, the third template is connected with a first cylinder, the fourth template is connected with a second cylinder, the second template is provided with a second mounting groove and a fifth template, the fifth template is arranged in the second mounting groove, the fifth template is connected with a third cylinder, the whole structure is simple, and the separation among a plurality of templates can be realized through a plurality of cylinders, thereby facilitating the taking out of the sand core mold and effectively solving the problem of difficult core taking out of the sand core mold in the prior art.

Description

Automobile exhaust pipe sand core forming die

Technical Field

The utility model belongs to the technical field of the psammitolite mould technique and specifically relates to an automobile exhaust pipe psammitolite moulded die.

Background

The engine exhaust pipe is an important part of an automobile, can be applied to various automobile types, and therefore the demand is very large, the production process is complex due to the complex structure in the prior art, and one-step forming is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle vent-pipe psammitolite moulded die, its difference of overcoming prior art, it can realize removing the operation to a plurality of templates through setting up a plurality of cylinders for can open fast between a plurality of templates, thereby can solve effectively among the prior art because the structure of sand core mould is complicated to lead to the difficult problem of psammitolite mould depoling.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a sand core forming die for an automobile exhaust pipe comprises an upper die and a lower die, wherein the upper die is aligned to the lower die, the upper die comprises a first template and a second template, the first template is fixedly connected to the second template, the first template and the second template are sequentially arranged, the second template faces the lower die, a first mounting groove, a third template and a fourth template are arranged on the first template, the third template and the fourth template are symmetrically arranged in the first mounting groove, a first cylinder is connected to the third template and can drive the third template to move left and right, a second cylinder is connected to the fourth template and can drive the fourth template to move left and right, a second mounting groove and a fifth template are arranged on the second template, and the fifth template is arranged in the second mounting groove, and the fifth template is connected with a third air cylinder, and the third air cylinder can drive the fifth template to move up and down.

According to the utility model discloses an embodiment, be equipped with first spout and second spout in the first template, be equipped with first slider in the third template, first slider slidable mounting in the first spout, be equipped with the second slider in the fourth template, second slider slidable mounting in the second spout.

According to the utility model discloses an embodiment, be equipped with the third spout in the second template, be equipped with the third slider in the fifth template, third slider slidable mounting in the third spout.

According to the utility model discloses an embodiment, first template third template and can enclose into first die cavity between the fourth template, the second template the fifth template and can enclose into the second die cavity between the lower mould, first die cavity intercommunication the second die cavity.

According to an embodiment of the present invention, a plurality of injection holes are formed on the lower mold, and the plurality of injection holes are respectively communicated with the second cavity.

According to the utility model discloses an embodiment, it is equipped with first mounting panel to go up the mould, the lower mould is equipped with the second mounting panel, first mounting panel rigid coupling in first template, second mounting panel rigid coupling in the lower mould.

The utility model has the advantages that: by adopting the technical scheme, the utility model has the advantages that the plurality of air cylinders are arranged to respectively drive the plurality of templates to move towards different directions, so that the separation operation between the templates can be rapidly carried out during demoulding, the taking-out process of the sand core is facilitated, the automation degree of the whole separation process is high, and the problem that the sand core is difficult to take out due to the complex structure in the prior art can be effectively solved; the first sliding block, the second sliding block and the third sliding block are arranged, so that the stability of the third template, the fourth template and the fifth template in the sliding process can be effectively ensured, the outer surface of a pipeline at the upper end of the sand core of the exhaust pipe cannot be damaged in the separation process, and the yield of products in the production process is improved; the exhaust pipe sand core manufacturing device is provided with the plurality of injection holes which are distributed at different positions, so that the core sand operation for producing the sand core by injecting the sand core at different positions in the cavity can be realized synchronously, the whole manufacturing process of the exhaust pipe sand core can be effectively accelerated, and meanwhile, the stability in the production process can be effectively ensured by synchronous operation, so that the produced exhaust pipe sand core has better stability and better quality.

Drawings

Fig. 1 is an exploded schematic view of a preferred embodiment according to the present invention.

Fig. 2 is a schematic structural view of a second form according to the present invention.

Fig. 3 is a schematic view of the second form in an open state of the fifth form.

Fig. 4 is a schematic structural view of the first template according to the present invention.

Fig. 5 is a front view of a first form according to the present invention.

Fig. 6 is an exploded view of the first template and the second template according to the present invention.

Fig. 7 is a top view of a first template according to the present invention.

Fig. 8 is a cross-sectional view taken along a-a of fig. 7 according to the present invention.

Fig. 9 is a schematic view of the first and second die plates in a separated state according to the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 9, an automobile exhaust pipe sand core forming die 1 includes an upper die 10 and a lower die 20, the upper die 10 is aligned with the lower die 20, the upper die 10 includes a first die plate 11 and a second die plate 12, the first die plate 11 is fixedly connected to the second die plate 12, the first die plate 11 and the second die plate 12 are sequentially disposed, the second die plate 12 faces the lower die 20, the first die plate 11 is provided with a first mounting groove 111, a third die plate 112 and a fourth die plate 113, the third die plate 112 and the fourth die plate 113 are symmetrically mounted in the first mounting groove 111, the third die plate 112 is connected with a first cylinder 116, the first cylinder 116 can drive the third die plate 112 to move left and right, the fourth die plate 113 is connected with a second cylinder 117, the second cylinder 117 can drive the fourth die plate 113 to move left and right, the second mold plate 12 is provided with a second mounting groove 121 and the fifth mold plate 122, the fifth mold plate 122 is mounted in the second mounting groove 121, the fifth mold plate 122 is connected with a third cylinder 124, the third cylinder 124 can drive the fifth mold plate 122 to move up and down, when the mold stripping operation is performed, the upper mold 10 and the lower mold 20 are opened, the lower mold 20 is separated from the upper mold 10, thereby a manifold pipeline at the lower end of the exhaust pipe is exposed, the first cylinder 116, the second cylinder 117 and the third cylinder 124 are respectively driven, the first cylinder 116 drives the third mold plate 112 to move leftward by a telescopic rod, the second cylinder 117 drives the fourth mold plate 113 to move rightward by a telescopic rod, the third mold plate 112 and the fourth mold plate 113 are separated, and thus the mold stripping operation is performed on the pipeline at the upper end of the exhaust pipe core, the third cylinder 124 drives the fifth template 122 to move upwards through the telescopic rod, so that a connecting part between a manifold pipeline and a pipeline on the exhaust pipe sand core is exposed, the whole exhaust pipe sand core is completely exposed on the second template 12, the subsequent taking-out operation of the exhaust pipe sand core is facilitated, the automation degree of the whole separation process is high, and the problems that the sand core is difficult to separate from a mold and the subsequent taking-out is difficult in the prior art can be effectively solved.

Wherein, a first sliding chute 114 and a second sliding chute 115 are arranged in the first template 11, a first sliding block 119 is arranged on the third template 112, the first sliding block 119 is slidably mounted in the first sliding chute 114, a second sliding block 118 is arranged on the fourth template 113, the second sliding block 118 is slidably mounted in the second sliding chute 115, when the first cylinder 116 drives the third template 112 to move through an expansion link, the first sliding block 119 can slide in the first sliding chute 114 under the driving of the first cylinder 116, and by arranging the first sliding block 119 and the first sliding chute 114, the stability of the third template 112 in the moving process can be effectively ensured, meanwhile, the second cylinder 117 drives the fourth template 113 to move through an expansion link, and under the driving of the second cylinder 117, the second sliding block 118 can slide along the second sliding chute 115, by arranging the second slide block 118 and the second slide groove 115, the stability of the fourth mold plate 113 in the moving process can be effectively ensured, so that the outer surface of the pipeline at the upper end of the exhaust pipe sand core cannot be damaged in the separation process of the third mold plate 112 and the fourth mold plate 113, and the yield of products in the production process is improved.

Wherein, a third sliding chute 123 is arranged in the second mold plate 12, a third sliding block 125 is arranged on the fifth mold plate 122, the third sliding block 125 is slidably mounted in the third sliding chute 123, when the third cylinder 124 drives the fifth mold plate 122 through a telescopic rod, the third sliding block 125 can slide in the third sliding chute 123 under the driving of the third cylinder 124, the fifth mold plate 122 can move upwards, the fifth mold plate 122 can be far away from the second mold plate 12, and the third sliding block 125 and the third sliding chute 123 are arranged, so that the stability of the fifth mold plate 122 in the process of moving upwards and downwards can be effectively ensured, and the connecting part of the pipeline and the manifold pipeline on the exhaust pipe sand core can be effectively prevented from being abraded in the process of separating the fifth mold plate 122 from the second mold plate 12, thereby improving the production efficiency of the product.

Wherein the first mold plate 11, the third mold plate 112 and the fourth mold plate 113 are enclosed to form a first cavity 30, the second mold plate 12, the fifth mold plate 122 and the lower mold 20 are enclosed to form a second cavity 40, the first cavity 30 is communicated with the second cavity 40, the first cavity 30 is formed to form a pipe portion at the upper end of the exhaust pipe sand core, the second cavity 40 is formed to form a manifold pipe portion at the lower end of the exhaust pipe sand core, the connection part of the second cavity 40 and the first cavity 30 (i.e. the part where the fifth mold plate 122 and the second mold plate 12 are connected) is formed to be a connection part between the pipe portion at the upper end and the manifold pipe portion at the lower end of the exhaust pipe sand core, so that the first cavity 30 and the second cavity 40 are formed to be a complete exhaust pipe sand core for producing sand cores, and by injecting core sand for producing sand cores into the first cavity 30 and the second cavity 40, whereby it is possible to form the air exhaust pipe core in the first cavity 30 and the second cavity 40.

The lower die 20 is provided with a plurality of injection holes 21, the injection holes 21 are respectively communicated with the second cavity 40, external core sand for producing the sand core can sequentially flow into the second cavity 40 and the first cavity 30 through the injection holes 21, and the injection holes 21 are respectively arranged at different positions of the second cavity 40, so that the core sand operation for producing the sand core by injecting the core sand at different positions can be synchronously realized, the whole manufacturing process of the sand core of the exhaust pipe can be effectively accelerated, and meanwhile, the stability in the production process can be effectively ensured by synchronous operation, so that the produced sand core of the exhaust pipe has better stability and better quality.

Wherein, it is equipped with first mounting panel 13 to go up mould 10, lower mould 20 is equipped with second mounting panel 22, first mounting panel 13 rigid coupling in first template 11, second mounting panel 22 rigid coupling in lower mould 20, first mounting panel 13 can with it installs in the top of mould mounting bracket to go up mould 10, second mounting panel 22 can with lower mould 20 is installed in the below of mould mounting bracket, thereby can realize fast right go up mould 10 and the installation of lower mould 20.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A sand core forming die for an automobile exhaust pipe is characterized by comprising an upper die and a lower die, wherein the upper die is aligned with the lower die, the upper die comprises a first template and a second template, the first template is fixedly connected to the second template, the first template and the second template are sequentially arranged, the second template faces the lower die, a first mounting groove, a third template and a fourth template are arranged on the first template, the third template and the fourth template are symmetrically arranged in the first mounting groove, a first air cylinder is connected to the third template and can drive the third template to move left and right, a second air cylinder is connected to the fourth template and can drive the fourth template to move left and right, a second mounting groove and a fifth template are arranged on the second template, and the fifth template is arranged in the second mounting groove, and the fifth template is connected with a third air cylinder, and the third air cylinder can drive the fifth template to move up and down.

2. The vehicle exhaust pipe sand core molding die as recited in claim 1, wherein a first slide groove and a second slide groove are provided in said first mold plate, a first slide block is provided on said third mold plate, said first slide block is slidably mounted in said first slide groove, and a second slide block is provided on said fourth mold plate, said second slide block is slidably mounted in said second slide groove.

3. The vehicle exhaust pipe sand core molding die as claimed in claim 2, wherein a third slide groove is formed in said second die plate, and a third slide block is provided on said fifth die plate, said third slide block being slidably mounted in said third slide groove.

4. The sand core forming die for the automobile exhaust pipe as claimed in claim 3, wherein a first cavity is defined by the first die plate, the third die plate and the fourth die plate, a second cavity is defined by the second die plate, the fifth die plate and the lower die, and the first cavity is communicated with the second cavity.

5. The forming die for the sand core of the automobile exhaust pipe as recited in claim 4, wherein a plurality of injection holes are formed in said lower die, and said plurality of injection holes are respectively communicated with said second cavity.

6. The vehicle exhaust pipe sand core molding die as claimed in claim 5, wherein the upper die is provided with a first mounting plate, the lower die is provided with a second mounting plate, the first mounting plate is fixedly connected to the first die plate, and the second mounting plate is fixedly connected to the lower die.

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