CN209986184U - Automobile connecting rod die - Google Patents

Abstract

The utility model discloses an automobile connecting rod mould relates to the mould technique for producing automobile connecting rod, including lower bolster and cope match-plate pattern, one side that lower bolster and cope match-plate pattern correspond is equipped with the connecting rod die cavity of looks isostructure, the connecting rod die cavity is including the microcephaly die cavity of mutual intercommunication, pole body die cavity and major part die cavity, the bottom of microcephaly die cavity is equipped with the bush die cavity, the major part die cavity is semicircular structure, and one side that the major part die cavity kept away from pole body die cavity is equipped with the arc wall, on, one side that the lower bolster is located the macrocephaly die cavity all is fixed with the closing cap template, one side that the closing cap template is located the macrocephaly die cavity is equipped with the arc sealing block with arc wall assorted, the butt joint of arc sealing block is in the arc wall, the corresponding one side of arc sealing block of both sides all is equipped with the stem. The utility model provides the high bronze bush moving fastness makes things convenient for the demoulding of connecting rod processing completion, has reduced the weight of connecting rod, is worth promoting.

Description

Automobile connecting rod die

Technical Field

The utility model belongs to a mould technique for producing car connecting rod, concretely relates to car connecting rod mould.

Background

The connecting rod is one of the main transmission mechanisms of automobile engine, and connects the piston and crankshaft to transmit the expanding gas pressure acting on the top of piston to crankshaft, so that the reciprocating linear motion of piston can be reversibly converted into the rotary motion of crankshaft to output power.

The connecting rod is by the connecting rod body and the connecting rod stub at both ends, pole body and connecting rod major part are constituteed, in order to reduce the wearing and tearing between connecting rod stub and the piston pin, the downthehole thin wall bronze bush of impressing of connecting rod stub, the thin wall bronze bush of impressing is when later stage piston motion, deviate from the downthehole connecting rod stub very easily, and the connecting rod stub is confined ring structure, when the injection molding, downthehole corresponding die column that has, the degree of difficulty has been brought for the drawing of patterns like this, in addition, along with car lightweight's development demand, traditional connecting rod generally adopts solid construction, the whole weight of car must be increased, consequently, an automobile connecting rod mould.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile connecting rod mould has cancelled the little head of connecting rod and has formed the die post of pore structure to make bronze bush and the little head of connecting rod form an overall structure, improved bronze bush moving fastness, make things convenient for the demoulding of connecting rod processing completion, and the connecting rod pole body that the mould processed out is hollow structure, has reduced the weight of connecting rod, and the connecting rod pole is internal to form hollow mould simple structure, and easily operation accords with the lightweight requirement of modern car.

The utility model provides a following technical scheme: an automobile connecting rod die comprises a lower die plate and an upper die plate, wherein connecting rod die grooves with the same structure are arranged on one corresponding sides of the lower die plate and the upper die plate, the connecting rod die grooves are symmetrically arranged on two sides, each connecting rod die groove comprises a small head die groove, a rod body die groove and a large head die groove which are mutually communicated, the small head die grooves and the large head die grooves are arranged at two ends of the rod body die grooves, bushing die grooves with annular structures are arranged at the bottoms of the small head die grooves, the large head die grooves are semicircular structures, arc grooves are arranged on one sides of the large head die grooves, which are far away from the rod body die grooves, bolt die grooves are arranged at two ends of the large head die grooves, sealing cover die plates are fixed on one sides of the upper die plate, the lower die plate and the large head die grooves, arc sealing blocks matched with the arc grooves are arranged on one sides of the sealing cover die plates, the arc sealing blocks are butted in the arc grooves, core columns are arranged on one sides, which correspond to, the two core columns are correspondingly arranged, a pouring gate penetrates through the upper template, and the pouring gate is communicated with the connecting rod die cavity.

Preferably, the small end die cavity and the bushing die cavity are coaxially arranged.

Preferably, the bottom of the shaft cavity is provided with a long strip-shaped bump along the length direction.

Preferably, the upper template, the lower template and the four corners are correspondingly provided with fixing through holes.

Preferably, the upper die plate, the lower die plate and the two sides facing one end of the cover sealing die plate are respectively provided with a first threaded hole, and the two sides of the cover sealing die plate are provided with a second threaded hole at positions corresponding to the first threaded holes.

Preferably, the cover sealing template, the arc-shaped sealing block and the core column are of an integral structure, and the core column is a trapezoidal column and is coaxially arranged with the rod body mold cavity.

The utility model has the advantages that: the utility model discloses cancelled the little head of connecting rod and formed the mould post of pore structure to make bronze bush and the little head of connecting rod form an overall structure, improved bronze bush moving fastness, make things convenient for the demoulding of connecting rod processing completion, and the connecting rod body that the mould processed out is hollow structure, has reduced the weight of connecting rod, and the connecting rod is built-in the pole body and is formed hollow mould simple structure, and easily operation accords with the lightweight requirement of modern automobile, specifically as follows:

(1) the utility model discloses when setting up the use, with the bush die cavity of bronze bush's bottom joint in the lower bolster, on next step fix the cope match-plate pattern symmetry on the lower bolster, and make the top joint of bronze bush in the bush die cavity of cope match-plate pattern, on next step, fix the closing cap template on the tip of upper and lower template, and make the arc-shaped sealing block dock in the arc wall, at this moment, the stem of both sides splices into a complete toper post, and plug-in connection is in the pole body die cavity, on next step, pour the mould material to the sprue gate, after the mould material cools off, tear down lower bolster and cope match-plate pattern and closing cap template open, along with tearing down of closing cap template, the stem will be taken out from the model, alright obtain a connecting rod that has bronze bush and lightweight;

(2) the utility model is provided with the convex block, which can reduce the materials on the two sides of the connecting rod body and further reduce the weight of the connecting rod;

(3) the utility model is provided with the fixing through holes, and the four corners of the upper template and the lower template are correspondingly provided with the fixing through holes, thereby improving the connection firmness of the upper template and the lower template on the one hand, and improving the processing precision of the die on the other hand;

(4) the utility model discloses set up first screw hole and second screw hole, pass first screw hole and second screw hole through the screw in proper order, can make things convenient for effectually fix the tip at above-mentioned, lower bolster with the closing cap template.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

labeled as: the die comprises a lower die plate 1, an upper die plate 2, a connecting rod die cavity 3, a small-head die cavity 4, a rod body die cavity 5, a large-head die cavity 6, an arc-shaped groove 7, a bolt die cavity 8, a bump 9, a lining die cavity 10, a first threaded hole 11, a sealing cover die plate 12, an arc-shaped sealing block 13, a core column 14, a bolt die column 15, a second threaded hole 16, a fixing through hole 17 and a pouring gate 18.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, an automobile connecting rod mold comprises a lower mold plate 1 and an upper mold plate 2, connecting rod mold cavities 3 with the same structure are arranged on one corresponding sides of the lower mold plate 1 and the upper mold plate 2, the connecting rod mold cavities 3 on two sides are symmetrically arranged, each connecting rod mold cavity 3 comprises a small head mold cavity 4, a rod body mold cavity 5 and a big head mold cavity 6 which are communicated with each other, and the small head mold cavity 4 and the big head mold cavity 6 are positioned at two ends of the rod body mold cavity 5;

the bottom of the small head die cavity 4 is provided with a lining die cavity 10 with an annular structure, and the small head die cavity 4 and the lining die cavity 10 are coaxially arranged;

the big head die groove 6 is of a semicircular structure, an arc-shaped groove 7 is formed in one side, away from the rod body die groove 5, of the big head die groove 6, and bolt die grooves 8 are formed in two ends of the big head die groove 6;

the upper and lower templates 2, 1 are fixed with a sealing cover template 12 on one side of the big end mold groove 6, one side of the sealing cover template 12 on the big end mold groove 6 is provided with an arc sealing block 13 matched with the arc groove 7, the arc sealing block 13 is butted in the arc groove 7, one side of the two sides corresponding to the arc sealing block 13 is provided with a stem 14, the sealing cover template 12, the arc sealing block 13 and the stem 14 are of an integral structure, and the stem 14 is a trapezoidal column and is coaxially arranged with the rod body mold groove 5;

the two core columns 14 are correspondingly arranged, a pouring gate 18 penetrates through the upper die plate 2, and the pouring gate 18 is communicated with the connecting rod die cavity 3.

The utility model discloses a mould for producing car connecting rod has cancelled the little head of connecting rod and has formed the moulding column of pore structure to make bronze bush and the little head of connecting rod form an overall structure, improved bronze bush moving fastness, make things convenient for the demoulding of connecting rod processing completion, and the connecting rod pole body that the mould processed out is hollow structure, has reduced the weight of connecting rod, and the connecting rod pole is built-in hollow mould simple structure, and easily operation accords with the lightweight requirement of modern car.

Specifically, the bottom end of a bronze bushing is clamped in a bushing mold groove 10 in a lower template 1, an upper template 2 is symmetrically fixed on the lower template 1 on the next step, the top end of the bronze bushing is clamped in the bushing mold groove 10 in the upper template 2, on the next step, a sealing cover template 12 is fixed at the end parts of the upper template 2 and the lower template 1, an arc-shaped sealing block 13 is in butt joint with an arc-shaped groove 7, at the moment, core columns 14 on two sides are spliced into a complete conical column and are inserted into a rod body mold groove 5, on the next step, a mold material is poured into a pouring gate 18, after the mold material is cooled, the lower template 1, the upper template 2 and the sealing cover template 12 are removed, along with the removal of the sealing cover template 12, the core columns 14 are drawn out of a mold, and a lightweight connecting rod with the bronze bushing can be obtained.

Referring to fig. 2 and 3, further, the bottom of the shaft cavity 5 is provided with a projection 9 having a long strip shape along the length direction thereof.

The lug 9 is arranged, so that the materials on two sides of the rod body of the connecting rod can be reduced, and the weight of the connecting rod is further reduced.

Referring to fig. 1 and 2, further, the four corners of the upper and lower templates 2, 1 are correspondingly provided with fixing through holes 17.

Set up fixing hole 17, the position in upper and lower template 2, 1 four corners all corresponds and is equipped with fixing hole 17, has improved the fastness that upper and lower template 2, 1 are connected on the one hand, and on the other hand has also improved the precision of mould processing.

Referring to fig. 1 and 2, further, first threaded holes 11 are formed in two sides of one end, facing the capping template 12, of each of the upper and lower templates 2 and 1, and second threaded holes 16 are formed in positions, corresponding to the first threaded holes 11, of two sides of the capping template 12.

The first threaded hole 11 and the second threaded hole 16 are arranged, and the screws sequentially penetrate through the first threaded hole 11 and the second threaded hole 16, so that the cover template 12 can be conveniently and effectively fixed at the end parts of the upper template 2 and the lower template 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an automobile connecting rod mould, includes lower bolster (1) and cope match-plate pattern (2), lower bolster (1) and corresponding one side of cope match-plate pattern (2) are equipped with connecting rod die cavity (3) of looks isostructure, both sides connecting rod die cavity (3) symmetry sets up, connecting rod die cavity (3) are including little head die cavity (4), pole body die cavity (5) and major part die cavity (6) that communicate each other, and little head die cavity (4), major part die cavity (6) are located the both ends of pole body die cavity (5), its characterized in that, the bottom of little head die cavity (4) is equipped with annular structure's bush die cavity (10), major part die cavity (6) are semi-circular structure, and one side that pole body die cavity (5) were kept away from in major part die cavity (6) is equipped with arc wall (7), the both ends of major part die cavity (6) are equipped with bolt die cavity (8), upper and lower bolster (2), (1) One side that is located major part die cavity (6) all is fixed with closing cap template (12), one side that closing cap template (12) are located major part die cavity (6) is equipped with arc wall (7) assorted arc sealing block (13), arc sealing block (13) dock in arc wall (7), and the corresponding one side of arc sealing block (13) of both sides all is equipped with stem (14), two stem (14) correspond the setting, it is equipped with sprue gate (18) to run through on cope match-plate pattern (2), sprue gate (18) with connecting rod die cavity (3) are linked together.

2. The connecting rod die for the automobile as claimed in claim 1, wherein the small end die cavity (4) is coaxially arranged with the bushing die cavity (10).

3. The connecting rod mold for automobile according to claim 1, wherein the bottom of the rod body cavity (5) is provided with a long-strip-shaped projection (9) along the length direction thereof.

4. The automobile connecting rod die as claimed in claim 1, wherein the four corners of the upper and lower die plates (2), (1) are provided with fixing through holes (17) correspondingly.

5. The connecting rod die for the automobile as claimed in claim 1, wherein first threaded holes (11) are formed in two sides of one end, facing the cover template (12), of the upper template (2) and the lower template (1), and second threaded holes (16) are formed in positions, corresponding to the first threaded holes (11), of two sides of the cover template (12).

6. The connecting rod mold for automobile as claimed in claim 1, wherein the cover form (12), the arc-shaped block (13) and the stem (14) are of a unitary structure, and the stem (14) is a trapezoidal column and is coaxially disposed with the rod body cavity (5).

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