CN215998580U

CN215998580U - Negative pressure exhaust structure for casting

Info

Publication number: CN215998580U
Application number: CN202122693238.5U
Authority: CN
Inventors: 于海龙; 宋玉朋; 王永久
Original assignee: Shandong Liangfeng Machinery Co ltd
Current assignee: Shandong Liangfeng Machinery Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-03-11
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a negative pressure exhaust structure is used in casting, including the blast pipe, the internally mounted of blast pipe has negative pressure exhaust valve, filtering component and filtering component are installed including filtering the network management, collecting box and lid to the left side end of blast pipe, the left side end intercommunication of blast pipe is connected with the bottom intercommunication that filters the network management and filter the network management and is connected with the collecting box, the lateral wall of blast pipe is close to right side position fixedly connected with diaphragm, installation component and installation component include slot seat, inserted block, screw, through-hole, slide rail, slider and screw rod are all installed to the diaphragm left and right sides, the utility model discloses can filter the impurity in the waste gas, the feature of environmental protection is very good to easy to assemble.

Description

Negative pressure exhaust structure for casting

Technical Field

The utility model relates to a casting relevant field, in particular to negative pressure exhaust structure is used in casting.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered the full prosperity of bronze castings approximately 1700 to the first 1000 years of the Gregorian, and has reached a fairly high level in technology. Casting is a method in which liquid metal is cast into a casting cavity that conforms to the shape of a part, and after it is cooled and solidified, a part or a blank is obtained. The casting material is mostly metal (such as copper, iron, aluminum, tin, lead, etc.) which is originally solid but is heated to liquid state, and the material of the casting mold can be sand, metal or even ceramic. The utility model relates to a negative pressure exhaust structure for casting, which can be used in different ways according to different requirements.

Patent numbers: CN 203804195U's publication a mould negative pressure exhaust structure, this design sets up the main exhaust duct that communicates with the mould air flue outside the mould, and negative pressure blast pipe is inserted in the main exhaust duct middle part. When the casting process needs to discharge the gas in the cavity fast, compressed air is introduced into the negative pressure exhaust pipe, and the compressed air enters the main exhaust pipe through the negative pressure exhaust pipe, so that a vacuum area is formed in the main exhaust pipe, the gas pressure in the cavity of the mold is higher than the gas pressure of the main exhaust pipe, and the purpose of smoothly discharging the gas in the cavity is achieved. The utility model is suitable for a gravity casting or low pressure casting mould have simple structure, easily realize, and the cost of manufacture is low, does not influence characteristics such as mould die cavity inner structure, and its design both can be used to the preparation of new mould, also can be used to the transformation to current mould. Adopt the utility model discloses can obviously improve exhaust efficiency, reduce the exhaust resistance, be favorable to improving foundry goods product percent of pass and quality.

However, the above patents have the following disadvantages: 1. the above design cannot filter impurities in the exhaust gas, and the environmental protection performance is poor, so improvement is needed. 2. The above design is inconvenient to install and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a negative pressure exhaust structure is used in casting can filter the impurity in the waste gas, and the feature of environmental protection is very good to easy to assemble can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a negative pressure exhaust structure is used in casting, includes the blast pipe, the internally mounted of blast pipe has negative pressure discharge valve, filtering component and filtering component are installed to the left side end of blast pipe include filter the network management, collect box and lid, the left side end intercommunication of blast pipe is connected with the bottom intercommunication that filters the network management and filter the network management and is connected with and collects the box, the lateral wall of blast pipe is close to right side position fixedly connected with diaphragm, installation component and installation component include slot seat, inserted block, screw, through-hole, slide rail, slider and screw rod are all installed to the diaphragm left and right sides.

Furthermore, the equal fixedly connected with slot socket in the left and right sides of diaphragm and the inside inserted block of inserting of slot socket have been seted up to the inside of inserted block, the through-hole has been seted up to the inside of slot socket, the equal fixedly connected with slide rail in top of slot socket and the surperficial sliding connection of slide rail have the slider, the bottom of slider is rotated and is connected with the screw rod.

Further, the outer side wall of the screw rod is in threaded connection with the inner side wall of the screw hole, a rotating rod is fixedly connected to the outer side wall of the screw rod, and the screw rod is installed into the screw hole through rotation.

Furthermore, a cover is arranged on the surface of the collecting box, and impurities in the collecting box can be cleaned by opening the cover.

Furthermore, the surface of diaphragm is located and installs the seal cover around the blast pipe, and the seal cover can let the leakproofness of blast pipe installation better.

Compared with the prior art, the utility model discloses following beneficial effect has: when an exhaust structure needs to be installed on a casting machine, two insert blocks are welded at a proper position of the machine in a welding mode, after welding is completed, the slot seat faces the insert blocks and then is inserted (at the moment, the right side end of the exhaust pipe just supports against an exhaust port of the machine, and the sealing sleeve can greatly improve the installation tightness), after insertion is completed, the rotating rod on the screw rod pulls the screw rod to move downwards, the screw rod penetrates through the through hole to support against the screw hole, then the rotating rod is rotated to drive the screw rod to rotate, the screw rod is installed into the screw hole through clockwise rotation (only the lower part of the screw rod is installed into the screw hole), and then the insert blocks and the slot seat can be fixed, so that the exhaust structure is installed, after the exhaust structure is installed, the negative pressure of the exhaust pipe is adjusted through the negative pressure exhaust valve, so that negative pressure exhaust is performed, and the exhaust gas enters a filter net pipe network (a pipeline formed by a filter screen, and the left end is closed), the impurities fall into the collecting box due to gravity, and the cover is opened regularly to clean the impurities in the exhaust pipe (the filtering pipe network is also required to be cleaned when being blocked).

Drawings

Fig. 1 is a schematic view of the overall structure of a negative pressure exhaust structure for casting according to the present invention;

fig. 2 is an enlarged view of a partial structure a of the structure diagram 1 of the negative pressure exhaust for casting according to the present invention.

In the figure: 1. an exhaust pipe; 2. a negative pressure exhaust valve; 3. a filter assembly; 301. filtering the network management; 302. a collection box; 303. a cover; 4. a transverse plate; 5. sealing sleeves; 6. mounting the component; 601. a socket base; 602. inserting a block; 603. a screw hole; 604. a through hole; 605. a slide rail; 606. a slider; 607. a screw; 608. and (4) rotating the rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a negative pressure exhaust structure for casting includes an exhaust pipe 1, a negative pressure exhaust valve 2 is installed inside the exhaust pipe 1, a filter assembly 3 is installed at the left side end of the exhaust pipe 1, the filter assembly 3 includes a filter net pipe 301, a collection box 302 and a cover 303, the left side end of the exhaust pipe 1 is connected with the filter net pipe 301 in an intercommunicating manner, the bottom end of the filter net pipe 301 is connected with the collection box 302 in an intercommunicating manner, a transverse plate 4 is fixedly connected to a position, close to the right side, of the outer side wall of the exhaust pipe 1, and mounting assemblies 6 are installed on the left side and the right side of the transverse plate 4 respectively and include slot seats 601, plug blocks 602, screw holes 603, through holes 604, slide rails 605, sliders 606 and screws 607.

The left side and the right side of the transverse plate 4 are fixedly connected with slot seats 601, insertion blocks 602 are inserted into the slot seats 601 in an inserting mode, screw holes 603 are formed in the insertion blocks 602, through holes 604 are formed in the slot seats 601, sliding rails 605 are fixedly connected to the top ends of the slot seats 601, sliding blocks 606 are connected to the surfaces of the sliding rails 605 in a sliding mode, and screw rods 607 are connected to the bottom ends of the sliding blocks 606 in a rotating mode.

The outer side wall of the screw 607 is in threaded connection with the inner side wall of the screw hole 603, the outer side wall of the screw 607 is fixedly connected with a rotating rod 608, and the screw 607 is installed in the screw hole 603 through rotation.

Wherein, the surface of the collection box 302 is provided with a cover 303, and the impurities in the collection box 302 can be cleaned by opening the cover 303.

Wherein, the surface of diaphragm 4 is located and installs seal cover 5 around exhaust pipe 1, and seal cover 5 can let the leakproofness of exhaust pipe 1 installation better.

It should be noted that the utility model relates to a negative pressure exhaust structure for casting, when the exhaust structure needs to be installed on the casting machine, two insert blocks 602 are welded at the proper positions of the machine by welding, after the welding is completed, the slot seat 601 is inserted into the insert blocks 602 (at this time, the right end of the exhaust pipe 1 just supports against the exhaust port of the machine, the sealing sleeve 5 can greatly improve the installation tightness), after the insertion is completed, the rotating rod 608 on the screw 607 pulls the screw 607 to move downwards by the rotating rod 608, the screw 607 supports against the screw hole 603 by passing through the through hole 604, then the rotating rod 608 is rotated, the rotating rod 608 drives the screw 607 to rotate, the screw 607 is installed into the screw hole 603 by clockwise rotation (only the lower part of the screw 607 is installed into the screw hole 603), the fixation of the insert blocks 602 and the slot seat 601 can be completed, thereby the installation of the exhaust structure is completed, negative pressure of the exhaust pipe 1 is adjusted through the negative pressure exhaust valve 2, so that negative pressure exhaust is performed, exhaust gas enters the filter net pipe 301 (a pipeline formed by a filter net and the left end is in a closed state) and is filtered (external dust can be blocked from entering the exhaust pipe 1), impurities fall into the collection box 302 due to gravity, and the cover 303 is opened at regular time to clean the impurities in the exhaust pipe 1 (the filter net pipe 301 is also required to be cleaned when being blocked).

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention 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

1. A negative pressure exhaust structure for casting comprises an exhaust pipe (1) and is characterized in that, a negative pressure exhaust valve (2) is arranged in the exhaust pipe (1), a filtering component (3) is arranged at the left end of the exhaust pipe (1), the filtering component (3) comprises a filtering net pipe (301), a collecting box (302) and a cover (303), the left side end of the exhaust pipe (1) is connected with a filtering network management pipe (301) in a communicating way, the bottom end of the filtering network management pipe (301) is connected with a collecting box (302) in a communicating way, a transverse plate (4) is fixedly connected to the part, close to the right side, of the outer side wall of the exhaust pipe (1), the left side and the right side of the transverse plate (4) are respectively provided with a mounting assembly (6) and the mounting assemblies (6) comprise slot seats (601), insert blocks (602), screw holes (603), through holes (604), sliding rails (605), sliding blocks (606), screw rods (607) and rotating rods (608).

2. A negative pressure exhaust structure for casting according to claim 1, wherein: the improved sliding-type connecting device is characterized in that a slot seat (601) is fixedly connected to the left side and the right side of the transverse plate (4) and an inserting block (602) is inserted into the slot seat (601), a screw hole (603) is formed in the inserting block (602), a through hole (604) is formed in the inserting block (601), a sliding block (606) is connected to the top end of the slot seat (601) in a sliding mode through a sliding rail (605), and a screw rod (607) is connected to the bottom end of the sliding block (606) in a rotating mode.

3. A negative pressure exhaust structure for casting according to claim 1, wherein: the outer side wall of the screw rod (607) is in threaded connection with the inner side wall of the screw hole (603), and the outer side wall of the screw rod (607) is fixedly connected with a rotating rod (608).

4. A negative pressure exhaust structure for casting according to claim 1, wherein: the surface of the collecting box (302) is provided with a cover (303).

5. A negative pressure exhaust structure for casting according to claim 1, wherein: and a sealing sleeve (5) is arranged on the surface of the transverse plate (4) around the exhaust pipe (1).