CN215144640U

CN215144640U - High strength valve body precision casting tectorial membrane sand mould

Info

Publication number: CN215144640U
Application number: CN202121288611.2U
Authority: CN
Inventors: 王政弘; 张瑾; 丁建江
Original assignee: Zhejiang Huaxing Valve Industry Co ltd
Current assignee: Zhejiang Huaxing Valve Industry Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-14
Anticipated expiration: 2031-06-09

Abstract

The utility model provides a high strength valve body precision casting tectorial membrane sand mould, including base, cover half, movable mould group, feedway, support, transport mechanism and supporting leg, wherein: the fixed die and the movable die set are arranged above the base through the fixed frame in a mirror image manner; the feeding device is arranged above the base through the support, is arranged right above the fixed die, and is connected with the top end of the fixed die through the conveying pipe at the bottom end. The utility model discloses movable mould group, transport mechanism's setting when using, has avoided movable mould and cover half because continuous long-time work causes the trouble of wearing and tearing that generates heat easily, prevents gliding by a wide margin of precision, is convenient for carry out the transportation after the drawing of patterns simultaneously and takes, the marketing and the application of being convenient for.

Description

High strength valve body precision casting tectorial membrane sand mould

Technical Field

The utility model relates to a medical field especially relates to a high strength valve body precision casting tectorial membrane sand mould.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the functions of the valve, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, and the valve body is a main part in the valve; there are different mechanical manufacturing methods according to the pressure class. For example: casting, forging, and the like.

The precision casting of the valve body of the valve adopts a mode of investment casting, and the general procedures are as follows: firstly, designing and manufacturing a mould according to a valve body of a valve, and casting wax by using a casting method to obtain an original wax mould; repeating the steps of coating and sanding on the wax mould, hardening the shell and drying; then dissolving the wax mould inside to remove the wax mould, namely dewaxing to obtain a cavity; firing the shell to obtain sufficient strength; pouring the required metal material into the shell; removing sand after shelling, thereby obtaining a finished product with high precision. However, the existing high-strength valve body precision casting precoated sand mold still has the problems that the heating abrasion is easily caused due to continuous long-time work, the precision degree of the mold is influenced, and the mold is not convenient to take after demolding.

Therefore, the invention is very necessary to invent a high-strength valve body precision casting precoated sand mold.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high strength valve body precision casting tectorial membrane sand mould to solve current high strength valve body precision casting tectorial membrane sand mould still exist because continuous long-time work, cause the wearing and tearing that generate heat easily, influence its precision degree, the problem of taking after the drawing of patterns is not convenient for simultaneously. The utility model provides a high strength valve body precision casting tectorial membrane sand mould, includes the base, the cover half, and the movable mould group, feedway, support, transport mechanism and supporting leg, wherein: the fixed die and the movable die set are arranged above the base through the fixed frame in a mirror image manner; the feeding device is arranged above the base through a support and is arranged right above the fixed die, and the bottom end of the feeding device is connected with the top end of the fixed die through a conveying pipe; the conveying mechanism is arranged below the base through supporting legs, and is arranged under the fixed die and the movable die set.

Preferably, the movable mold group comprises a fixed seat, a movable mold, a limiting column, a spring and a hydraulic push rod, and the surfaces of the four vertex angle limiting columns of the movable mold are connected in a nested manner; the fixed die is characterized in that the number of the limiting columns is four, the limiting columns are symmetrically arranged on one side of the surface of the fixed base, and the other ends of the limiting columns are connected with four corners of the fixed die in a nested manner; the springs are respectively embedded on the surfaces of the limiting columns and are arranged between the fixed die and the movable die; one end of the hydraulic push rod is fixedly connected with the middle of one side of the surface of the fixed seat, and the other end of the hydraulic push rod is fixedly connected with the middle of one side of the surface of the movable mold.

Preferably, the inside of fixing base is provided with the water tank, inlet channel and outlet conduit, and the inlet channel passes the centre on fixing base top and is connected with the top of water tank, and this outlet conduit passes the centre and is connected with the bottom of water tank in the fixing base bottom.

Preferably, the limiting column is U-shaped, the inside of the limiting column is hollow, and one end of the limiting column penetrates through the fixing seat to be connected with a water pump inside the water tank.

Preferably, the conveying mechanism comprises a box body, a conveying belt, a second conveying belt, an elastic column and a slag storage box, and the conveying belt is arranged in the middle of the interior of the box body through a rotating shaft; the second conveyor belt is arranged right below the conveyor belt; the elastic columns are arranged on two sides of one end of the box body in a mirror image mode and are arranged right above one end of the conveyor belt; the slag storage box is nested in the bottom end of the box body.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses the setting of fixing base is favorable to when using, can last the inside for spacing post through the water tank of inside and carry cold water, then absorbs the heat on spacing post surface to carry out reciprocal circulation, thereby the temperature of spacing post keeps in certain within range.

2. The utility model discloses the setting of spacing post is favorable to when using, and the setting of the inside water tank of cooperation fixing base prevents that spacing post from overheated causing wearing and tearing, influences its precision.

3. The utility model discloses transport mechanism's setting is favorable to when using, can carry out the protection work to the mould that drops down through inside elasticity post to and the transportation work, can carry out the collection storage work of concentrating to the disintegrating slag that drops simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the moving module of the present invention.

Fig. 3 is a schematic structural view of the transportation mechanism of the present invention.

In the figure:

the automatic feeding device comprises a base, a fixed die, a movable die, a 3-action die set, a 31 fixed seat, a 311 water tank, a 312 water inlet pipeline, a 313 water outlet pipeline, a 32 movable die, a 33 limit column, a 34 spring, a 35 hydraulic push rod, a 4 feeding device, a 5 support, a 6 conveying mechanism, a 61 box body, a 62 conveying belt, a 63 second conveying belt, a 64 elastic column, a 65 slag storage box and 7 supporting legs.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only 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 efforts shall belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example one

Referring to fig. 1-3, a high strength valve body precision casting tectorial membrane sand mould, includes base 1, cover half 2, movable mould group 3, feedway 4, support 5, transport mechanism 6 and supporting leg 7, wherein: the fixed die 2 and the movable die set 3 are arranged above the base 1 through a fixed frame in mirror image positions; the feeding device 4 is arranged above the base 1 through a support 5, the feeding device 4 is arranged right above the fixed die 2, and the bottom end of the feeding device 4 is connected with the top end of the fixed die 2 through a conveying pipe; the transportation mechanism 6 is arranged below the base 1 through the supporting legs 7 on the base 1, and the transportation mechanism 6 is arranged right below the fixed die 2 and the movable die set 3.

It should be noted that the movable die set 3 includes a fixed seat 31, a movable die 32, a limit column 33, a spring 34 and a hydraulic push rod 35, and the surfaces of the four vertex angle limit columns 33 of the movable die 32 are connected in a nested manner; the number of the limiting columns 33 is four, the limiting columns 33 are symmetrically arranged on one side of the surface of the fixed seat 31, and the other ends of the limiting columns 33 are connected with four corners of the fixed die 2 in an embedded mode; the springs 34 are respectively nested on the surfaces of the limiting columns 33, and the springs 34 are arranged between the fixed die 2 and the movable die 32; one end of the hydraulic push rod 35 is fixedly connected with the middle of one side of the surface of the fixed seat 31, and the other end of the hydraulic push rod 35 is fixedly connected with the middle of one side of the surface of the movable mold 32; a water tank 311, a water inlet pipe 312 and a water outlet pipe 313 are arranged in the fixed seat 31, the water inlet pipe 312 penetrates through the middle of the top end of the fixed seat 31 to be connected with the top end of the water tank 311, and the water outlet pipe 313 penetrates through the middle of the bottom end of the fixed seat 31 to be connected with the bottom end of the water tank 311; the inside of the water tank 311 is provided with a refrigeration system and a water pump circulation system.

The limiting column 33 is in a U shape, the inside of the limiting column 33 is hollow, and one end of the limiting column 33 penetrates through the fixed seat 31 to be connected with a water pump inside the water tank 311; the limiting column 33 and the water tank 311 form a circulating system; the conveying mechanism 6 comprises a box body 61, a conveying belt 62, a second conveying belt 63, an elastic column 64 and a slag storage box 65, wherein the conveying belt 62 is arranged in the middle of the interior of the box body 61 through a rotating shaft; the second conveyor belt 63 is disposed immediately below the conveyor belt 62; the elastic columns 64 are arranged on two sides of one end of the box body 61 in a mirror image mode, and the elastic columns 64 are arranged right above one end of the conveyor belt 62; the slag storage box 65 is nested in the bottom end of the box body 61; the surface of the conveyor belt 62 is provided with orifices and the conveyor belt 62 is rotated clockwise and the second conveyor belt 63 is rotated counter-clockwise.

In the embodiment, when in use, the hydraulic push rod 35 is used for combining the movable mold 32 with the fixed mold 2, and the spring 34 can reduce the impact force generated when the movable mold 32 contacts with the fixed mold 2, reduce the abrasion between the movable mold 32 and the fixed mold 2 and prevent the deviation caused by the impact; then required materials are injected into the movable die 32 and the fixed die 2 through the feeding device 4, corresponding demoulding operation can be carried out after forming, the fallen dies can fall into the conveying mechanism 6, firstly, the force can be removed by the elastic columns 64 to prevent the formed dies from being damaged, finally, the fallen dies can well fall onto the surface of the conveying belt 62 and are conveyed to the next procedure, and the carried broken slag can fall into the slag storage box 65 through the leakage holes in the surface of the conveying belt 62 or fall onto the surface of the second conveying belt 63 and then fall into the slag storage box 65; when the movable mold 32 and the fixed mold 2 are operated, the water pump in the water tank 311 sends cold water to the inside of the stopper rod 33, absorbs heat generated by the movement between the stopper rod 33 and the movable mold 32 by means of a plurality of fans, and performs cooling operation and a reciprocating cycle in the inside of the water tank 311, thereby maintaining the temperature of the surface of the stopper rod 33.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a high strength valve body precision casting tectorial membrane sand mould which characterized in that: including base (1), cover half (2), movable mould group (3), feedway (4), support (5), transport mechanism (6) and supporting leg (7), wherein: the fixed die (2) and the movable die set (3) are arranged above the base (1) through a fixed frame in mirror image positions; the feeding device (4) is arranged above the base (1) through a support (5), the feeding device (4) is arranged right above the fixed die (2), and the bottom end of the feeding device (4) is connected with the top end of the fixed die (2) through a conveying pipe; the conveying mechanism (6) is arranged below the base (1) through the supporting legs (7) on the base (1), and the conveying mechanism (6) is arranged under the fixed die (2) and the movable die set (3).

2. The high-strength valve body precision casting precoated sand mold of claim 1, wherein: the movable die set (3) comprises a fixed seat (31), a movable die (32), limiting columns (33), springs (34) and hydraulic push rods (35), and the surfaces of the four vertex angle limiting columns (33) of the movable die (32) are connected in a nested manner; the number of the limiting columns (33) is four, the limiting columns (33) are symmetrically arranged on one side of the surface of the fixed seat (31), and the other ends of the limiting columns (33) are connected with four corners of the fixed die (2) in a nested manner; the springs (34) are respectively nested on the surfaces of the limiting columns (33), and the springs (34) are arranged between the fixed die (2) and the movable die (32); one end of the hydraulic push rod (35) is fixedly connected with the middle of one side of the surface of the fixed seat (31), and the other end of the hydraulic push rod (35) is fixedly connected with the middle of one side of the surface of the movable mold (32).

3. The high-strength valve body precision casting precoated sand mold according to claim 2, wherein: the water tank (311), the water inlet pipeline (312) and the water outlet pipeline (313) are arranged inside the fixing seat (31), the water inlet pipeline (312) penetrates through the middle of the top end of the fixing seat (31) to be connected with the top end of the water tank (311), and the water outlet pipeline (313) penetrates through the middle of the bottom end of the fixing seat (31) to be connected with the bottom end of the water tank (311).

4. The high-strength valve body precision casting precoated sand mold according to claim 2, wherein: spacing post (33) adopt the U-shaped, and the inside of spacing post (33) is hollow form, and the one end of this spacing post (33) is passed fixing base (31) and is connected with the inside water pump of water tank (311).

5. The high-strength valve body precision casting precoated sand mold of claim 1, wherein: the conveying mechanism (6) comprises a box body (61), a conveying belt (62), a second conveying belt (63), an elastic column (64) and a slag storage box (65), and the conveying belt (62) is arranged in the middle of the interior of the box body (61) through a rotating shaft; the second conveyor belt (63) is arranged right below the conveyor belt (62); the elastic columns (64) are arranged on two sides of one end of the box body (61) in a mirror image mode, and the elastic columns (64) are arranged right above one end of the conveyor belt (62); the slag storage box (65) is nested in the bottom end of the box body (61).