CN211027980U

CN211027980U - Gravity casting mold and gravity casting machine thereof

Info

Publication number: CN211027980U
Application number: CN201921656236.5U
Authority: CN
Inventors: 郑惠洪; 叶清祥
Original assignee: Xiamen Anximai Machinery Co Ltd
Current assignee: Xiamen Anximai Machinery Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-17
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a gravity casting die and a gravity casting machine thereof, which comprises a movable die, a fixed die, an upper fixed plate, a lower fixed plate, a guide plate and a casting toppling member; the opposite surfaces of the movable mold and the fixed mold are provided with a brake master cylinder forming groove, a detection piece forming groove and a backflow groove; the single brake master cylinder forming groove, the single detection piece forming groove and the inverted irrigation groove; the side surfaces of the movable die and the fixed die are further inwards provided with a casting groove communicated with the detection part forming groove to form a casting opening for pouring casting liquid; the backflow groove is used for communicating the brake master cylinder forming groove and the detection part forming groove so as to realize backflow forming of the brake master cylinder under the action of gravity after liquid is cast; the casting pouring piece is fixed on one side of the fixed die, and a liquid containing groove communicated with the casting opening is formed in the casting pouring piece. The utility model discloses can effectively realize synchronous shaping and be used for the detection piece that detects, prevent simultaneously that the work piece from producing the bubble in the casting process.

Description

Gravity casting mold and gravity casting machine thereof

Technical Field

The utility model relates to a casting mold technical field that is relevant particularly, relates to a gravity casting mould and gravity casting machine thereof.

Background

The master cylinder of the brake is also called as a master cylinder of the brake, is a key component in an automobile brake system, and has high requirement on the precision of the whole product. Meanwhile, the cast master cylinder is usually subjected to relevant strength and hardness detection, and if the product is directly detected, scratches are easily generated on the surface of the product due to various actions in the installation and detection processes.

In addition, because the overall appearance shape of the master cylinder is irregular and the structure is complex, bubbles are easy to generate if the casting liquid is directly poured into the cavity, and the reject ratio of the product is obviously increased.

In view of the above, the present disclosure provides a gravity casting mold and a gravity casting machine thereof, which can synchronously form a detection member for detection and prevent a workpiece from generating bubbles during casting.

Disclosure of Invention

The utility model provides a can synchronous shaping be used for the detection piece that detects, prevent simultaneously that the work piece from casting the gravity casting mould and the gravity casting machine of in-process gassing.

The utility model discloses a realize like this:

a gravity casting mold comprises a movable mold, a fixed mold, an upper fixed plate, a lower fixed plate, a guide plate and a casting dumping piece; the opposite surfaces of the movable mold and the fixed mold are provided with a brake master cylinder forming groove, a detection piece forming groove and a backflow groove; the single master cylinder forming groove, the single detection piece forming groove and the at least one inverted filling groove are respectively used for forming a master cylinder, a detection piece and an inverted filling column; the side surfaces of the movable die and the fixed die are further inwards provided with a casting groove communicated with the detection part forming groove to form a casting opening for pouring casting liquid; the backflow groove is used for communicating the brake master cylinder forming groove and the detection part forming groove so as to realize backflow forming of the brake master cylinder under the action of gravity after pouring the casting liquid from the casting opening; the casting pouring piece is fixed on one side of the fixed die, and a liquid containing groove communicated with the casting opening is formed in the casting pouring piece.

As a further improvement, the number of the brake master cylinder forming grooves, the number of the detection part forming grooves and the number of the inverted irrigation grooves are at least one, and one of the brake master cylinder forming grooves is correspondingly provided with one of the detection part forming grooves side by side.

As a further improvement, the opposite surfaces of the movable mold and the fixed mold are further provided with connecting grooves; the connecting groove is used for forming the connecting column; the connecting column is in a straight strip shape and is used for connecting all formed brake master cylinders with the detection piece.

As a further improvement, the length direction of the connecting groove is perpendicular to the length direction of the detecting part forming groove, and the connecting groove is arranged at the tail end of the casting opening and is positioned between the detecting part forming groove and the casting opening.

As a further improvement, the pouring groove is arranged close to the tail end of the detection part forming groove in the flowing direction of the casting liquid.

As a further improvement, the length direction of the inverted irrigation groove is perpendicular to the length direction of the detection piece forming groove.

As a further improvement, the opening of the casting nozzle is tapered in the flow direction of the casting liquid.

As a further improvement, a plurality of flow guide channels used for communicating the casting opening with the liquid containing groove are further formed in the casting pouring piece.

A gravity casting machine comprises a machine table main body, a turnover mechanism and a gravity casting mold; the gravity casting mold is fixed on the machine table main body, and the turnover mechanism is used for controlling the machine table main body to turn over so as to enable the casting liquid in the liquid containing groove to be poured towards the casting opening.

The utility model has the advantages that:

1. the utility model relates to a gravity casting mould wholly adopts the structure not only can effectively come synchronous shaping and be used for subsequent detection with the detection piece that the brake master cylinder quality is the same through detecting a shaping groove, can also effectively avoid the bubble production in the casting process through the cooperation of detecting a shaping groove and pouring groove simultaneously, at last through set up the casting and empty the piece in the cover half side and can cooperate the board upset ingeniously to realize that the casting liquid is emptyd in the automation under the action of gravity, inconvenient and waste time and energy when having avoided artifical direct pouring casting liquid into the casting gate, the overall structure is ingenious, the function is easy to carry out.

2. The utility model relates to a pouring groove in gravity casting mould is close to detect the terminal setting of piece profiled groove on casting liquid flow direction, adopt such position setting to guarantee when the mould overturns to vertical position, casting liquid flows down and flows through because gravity is flowed down by the casting gate pouring groove by the whole brake master cylinder of shaping is poured upward to brake master cylinder profiled groove bottom, and the production of bubble can not be avoided with the at utmost in control pouring groove when the mould overturns to vertical position.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a gravity casting mold according to the present invention;

fig. 2 is a schematic structural diagram of the fixed mold in the gravity casting mold of the present invention.

Description of the main elements

A movable mold 10,

A fixed die 20,

A master cylinder molding groove 21, a detection part molding groove 22, a backflow groove 23, a connecting groove 24, a casting groove 25,

An upper fixing plate 30,

A lower fixing plate 40,

A guide plate 50,

A casting and pouring member 60,

A flow guide channel 61,

A liquid containing groove 62,

An upper connecting block 70,

A lower connecting block 80,

A master cylinder 90.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2, in an embodiment, a gravity casting mold includes a movable mold 10, a fixed mold 20, an upper fixed plate 30, a lower fixed plate 40, a guide plate 50, and a casting pouring member 60; the opposite surfaces of the movable mold 10 and the fixed mold 20 are provided with a master brake pump molding groove 21, a detection part molding groove 22 and a backflow groove 23; the single master cylinder forming groove 21, the single detection piece forming groove 22 and the at least one inverted filling groove 23 are respectively used for forming a master cylinder 90, a detection piece and an inverted filling column; the side surfaces of the movable die 10 and the fixed die 20 are further inwards provided with a casting groove 25 communicated with the detection part molding groove 22 to form a casting opening for pouring casting liquid; the pouring groove 23 is used for communicating the brake master cylinder forming groove 21 and the detection part forming groove 22 so as to realize pouring of the casting liquid from the casting opening and then forming the brake master cylinder 90 under the action of gravity; the casting and pouring member 60 is fixed on one side of the fixed die 20, and a liquid containing groove 62 communicated with the casting opening is formed in the casting and pouring member 60.

Wholly adopt such structure not only can effectively come the synchronous shaping to be used for subsequent detection with the detecting element that brake master cylinder 90 quality is the same through detecting an shaping groove 22, can also effectively avoid the bubble production in the casting process through the cooperation that detects a shaping groove 22 and flow backward groove 23 simultaneously, at last through set up casting and empty a 60 and can cooperate the board upset ingeniously to realize the automation of casting liquid under the action of gravity to empty in cover half 20 side, inconvenient and time-consuming and energy-wasting when having avoided artifical direct pouring casting liquid into the pouring gate, overall structure is ingenious, the function is easy to carry out.

Referring to fig. 2, in an embodiment, the number of the master cylinder molding grooves 21, the number of the detecting member molding grooves 22, and the number of the priming grooves 23 are at least one, and one detecting member molding groove 22 is correspondingly arranged in parallel in one master cylinder molding groove 21.

Preferably, the number of the master cylinder forming grooves 21 and the number of the detecting part forming grooves 22 are respectively three, so that three groups of master cylinders 90 and detecting parts are formed simultaneously, and the working efficiency is improved. Meanwhile, each group of brake master cylinder forming grooves 21 and detection part forming grooves 22 are communicated with two inverted filling grooves 23, so that the speed of the inverted filling brake master cylinder 90 is increased.

Further, the inverted irrigation groove 23 is close to the end of the detection part forming groove 22 in the flowing direction of the casting liquid, and the position setting can ensure that when the mold is turned to the vertical position, the casting liquid flows down from the casting opening due to gravity and flows through the inverted irrigation groove 23, the bottom of the brake master cylinder forming groove 21 is inverted to form the whole brake master cylinder 90, and the inverted irrigation groove 23 is controlled not to be too high to avoid the generation of bubbles to the maximum degree when the mold is turned to the vertical position. Meanwhile, the length direction of the inverted filling groove 23 is perpendicular to that of the detection part forming groove 22, so that the volume of the inverted filling column can be reduced as much as possible to save the total amount of casting liquid.

Referring to fig. 2, in the embodiment, the opposite surfaces of the moving mold 10 and the fixed mold 20 are further provided with a connecting groove 24; the connecting groove 24 is used for forming the connecting column; the connecting column is in a straight strip shape and is used for connecting all the formed brake master cylinders 90 and the detection pieces.

Further, the length direction of the connecting groove 24 is perpendicular to the length direction of the detecting member forming groove 22, and the connecting groove 24 is disposed at the end of the casting opening and located between the detecting member forming groove 22 and the casting opening. The connecting groove 24 is arranged and the connecting groove 24 is arranged at the tail end of the casting opening, so that the cast workpiece group can be taken out together with the detection piece group in a mode that the thimble on the die is used for ejecting the connecting piece or directly prying the connecting piece after the plurality of groups of master brake pumps 90 and the detection pieces are molded, and the time spent on taking out the molded pieces is reduced.

Referring to fig. 2, in the embodiment, the opening of the casting opening is gradually reduced in the flowing direction of the casting liquid, so as to realize convenient inflow of the casting liquid.

Referring to fig. 1 and 2, the pouring member 60 is further provided with a plurality of flow guiding channels 61 for communicating the pouring opening and the liquid containing groove 62, so that the pouring liquid can easily flow from the liquid containing groove 62 to the pouring opening through the flow guiding channels 61 when the gravity casting mold is turned over.

Referring to fig. 1 and 2, in an embodiment, an exhaust groove communicated with the master cylinder forming groove 21 is disposed at one end of the master cylinder forming groove 21 on one side of each casting opening 25, and the exhaust groove is used for exhausting gas generated when the master cylinder 90 is molded by backflow.

In addition, the gravity casting mold further includes an upper connection block 70 and a lower connection block 80; the upper fixing plate 30 is fixedly connected with the movable die 10, the guide plate 50 is fixed above the upper fixing plate 30, the number of the upper connecting blocks 70 is two, the two upper connecting blocks are respectively fixed on the upper fixing plate 30 and located at two sides of the guide plate 50, and a plurality of guide holes are formed in the same positions of the guide plate 50, the upper fixing plate 30 and the movable die 10, so that ejector rods on a casting machine can penetrate through the guide holes to eject a formed workpiece. The number of the lower connecting blocks 80 is two, and the two lower connecting blocks are respectively fixed below the lower fixing plate 40.

A gravity casting machine comprises a machine table main body, a turnover mechanism and a gravity casting mold; the gravity casting mold is fixed on the machine table main body, and the turnover mechanism is used for controlling the machine table main body to turn over so as to enable the casting liquid in the liquid containing groove 62 to be poured towards the casting opening.

Specifically, the machine table main body further comprises an upper machine table, the upper machine table is provided with a plurality of pneumatic cylinders capable of being pushed out downwards, one ends of the pneumatic cylinders are fixed on a push-out plate, the push-out plate is further provided with a plurality of push-out holes corresponding to the guide holes, and the lower surface of the upper machine table is further provided with a plurality of ejector rods.

The whole working process is as follows: when the machine table main body is vertically arranged and the die is closed in the initial state, the upper connecting block 70 is fixed below the push-out plate, and the pneumatic cylinder is in the push-out state; pouring the casting liquid into a liquid containing groove 62, wherein the turnover mechanism drives the machine table main body and the gravity casting mold to do turnover movement, the casting and dumping piece 60 is turned over to a vertical position from a horizontal state, the casting liquid is poured into a casting opening for molding due to gravity, and after molding is finished, the turnover mechanism drives the machine table main body and the gravity casting mold to turn back to an initial state; the pneumatic cylinder retracts to drive the push-out plate and the movable die 10 to open the die, when the movable die 10 continuously rises to a certain height, the ejector rod penetrates through the push-out hole and the guide hole to push the formed workpiece loose, and then the workpiece is taken out by a worker; the pneumatic cylinder is pushed out, and the die is closed to return to the initial state.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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

1. A gravity casting mold is characterized by comprising a movable mold (10), a fixed mold (20), an upper fixed plate (30), a lower fixed plate (40), a guide plate (50) and a casting pouring piece (60); the opposite surfaces of the movable mold (10) and the fixed mold (20) are respectively provided with a master brake pump molding groove (21), a detection piece molding groove (22) and a backflow groove (23); the single master brake pump forming groove (21), the single detection piece forming groove (22) and the at least one inverted filling groove (23) are respectively used for forming a master brake pump (90), a detection piece and an inverted filling column; the side surfaces of the movable die (10) and the fixed die (20) are further inwards provided with a casting groove (25) communicated with the detection part molding groove (22) to form a casting opening for pouring casting liquid; the reverse pouring groove (23) is used for communicating the brake master cylinder forming groove (21) with the detection part forming groove (22) so as to realize the reverse pouring of the casting liquid from the casting opening under the action of gravity to form the brake master cylinder (90); the casting pouring piece (60) is fixed on one side of the fixed die (20), and a liquid containing groove (62) communicated with the casting opening is formed in the casting pouring piece (60).

2. The gravity casting mold according to claim 1, wherein the number of the master cylinder molding grooves (21), the detecting member molding grooves (22) and the inverted filling grooves (23) is at least one, and one detecting member molding groove (22) is correspondingly arranged side by side in one master cylinder molding groove (21).

3. The gravity casting mold according to claim 2, wherein the opposite surfaces of the movable mold (10) and the fixed mold (20) are further provided with connecting grooves (24); the connecting groove (24) is used for forming a connecting column; the connecting column is in a straight strip shape and is used for connecting all the formed brake master cylinders (90) and the detection pieces.

4. A gravity casting mould according to claim 3, wherein: the length direction of connecting groove (24) with the length direction of detecting a shaping groove (22) is perpendicular, connecting groove (24) set up in casting gate end, and be located detect a shaping groove (22) with between the casting gate.

5. A gravity casting mould according to claim 1, characterized in that the pouring channel (23) is arranged close to the end of the detecting member forming channel (22) in the flow direction of the casting liquid.

6. A gravity casting mould according to claim 5, wherein the length direction of the pouring groove (23) is perpendicular to the length direction of the detection member forming groove (22).

7. The gravity casting mold according to claim 1, wherein the opening of the pouring gate is tapered in a flow direction of the casting liquid.

8. The gravity casting mold according to claim 7, wherein the casting pouring member (60) is further provided with a plurality of flow guide channels (61) for communicating the casting opening and the liquid containing groove (62).

9. A gravity casting machine characterized by: the gravity casting mold comprises a machine table main body, a turnover mechanism and the gravity casting mold as claimed in any one of claims 1 to 8; the gravity casting mold is fixed on the machine table main body, and the turnover mechanism is used for controlling the machine table main body to turn over so as to enable casting liquid in the liquid containing groove (62) to be poured towards the casting opening.