CN210231494U

CN210231494U - Shakeout mechanism for valve casting

Info

Publication number: CN210231494U
Application number: CN201920599346.6U
Authority: CN
Inventors: Bingfeng Zhang; 张冰峰
Original assignee: Binhai County Zhubao Chemical Machinery Factory Co Ltd
Current assignee: Binhai County Zhubao Chemical Machinery Factory Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-03
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a knockout mechanism is used in valve casting, including smashing case, rose box and air-blower, it is connected with the rose box through the connecting pipe to smash the bottom of the case portion, smash the case and locate the rose box directly over, it is connected with the top cap to smash the case top, top cap up end fixedly connected with air-blower, it smashes the incasement and is equipped with crushing chamber, smash chamber and connecting pipe intercommunication, it is equipped with crushing roller to smash the intracavity, it is equipped with two sets ofly, two sets of it has crushing tooth, and two sets of it is crisscross the setting respectively to smash last crushing tooth of crushing roller, smash the outside fixedly connected with zone of heating, the zone of heating outside fixedly connected with heat preservation, it has the motor still to smash case one end, be equipped with first filter screen, second filter screen in the rose. This knockout mechanism is used in valve casting, reasonable in design, convenient to use avoids the molding sand phenomenon of agglomerating to appear.

Description

Shakeout mechanism for valve casting

Technical Field

The utility model belongs to the technical field of the casting, concretely relates to knockout mechanism is used in valve 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 cast material is mostly metal which is originally solid but is heated to liquid state, and the material of the casting mould can be sand, metal or even ceramic.

Shakeout machines are one of the common devices in casting, and are casting devices that separate sand from a cast in a mold by vibration and impact. The molding sand that present valve casting breaks away from out with knockout mechanism still generally has the phenomenon of conglomeration, and the screen cloth is blockked up easily to the molding sand of conglomeration, and the unable direct recycle that is utilized of the molding sand of conglomeration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knockout mechanism is used in valve casting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a shakeout mechanism for valve casting comprises a crushing box, a filter box and an air blower, wherein the bottom end of the crushing box is connected with the filter box through a connecting pipe, the crushing box is arranged right above the filter box, the top end of the crushing box is connected with a top cover, the upper end surface of the top cover is fixedly connected with the air blower, a crushing cavity is arranged in the crushing box and is communicated with the connecting pipe, crushing rollers are arranged in the crushing cavity, the crushing rollers are provided with two groups, the crushing rollers are fixedly welded with crushing teeth, the crushing teeth on the crushing rollers are respectively arranged in a staggered manner, a heating layer is fixedly connected to the outer side of the crushing box, a heat preservation layer is fixedly connected to the outer side of the heating layer, a motor is also fixedly arranged at one end of the crushing box, a first filter screen and a second filter screen are respectively arranged in the filter box, and the second filter, the filter box is characterized in that first discharging pipes are fixedly inserted in positions, where the first filter screen and the second filter screen are located, of two sides of the filter box, two groups of first discharging pipes are arranged, and second discharging pipes are fixedly inserted in the bottom ends of the filter box.

Preferably, the top end of the connecting pipe is fixedly inserted into the bottom end of the crushing box, one end, far away from the crushing box, of the connecting pipe is fixedly inserted into the top end of the filter box, the connecting pipe is communicated with the inside of the filter box, the bottom end of the crushing box is further connected with supporting legs, and the supporting legs are fixedly welded to the top end of the filter box.

Preferably, crushing case both sides inner wall all fixed welding have crushing tooth, the crushing tooth homogeneous phase of crushing case both sides is parallel arrangement relatively, just the crushing tooth of crushing case both sides sets up with the crushing tooth on two sets of crushing rollers is crisscross.

Preferably, zone of heating, heat preservation are C style of calligraphy structure, inlay in the zone of heating and install the heating resistor silk, smash the case and be located motor position and inlay and install the bearing, the bearing internal fixation is pegged graft and is had the pivot, pivot one end is connected with the motor, the one end that the motor was kept away from in the pivot is connected with crushing roller.

Preferably, the air blower is connected with the crushing box through a blast pipe, an air vent is arranged on one side of the air blower, the air vent is arranged on the top cover and communicated with the crushing cavity, and a shield is arranged on the lower end face of the top cover at the position of the blast pipe.

Preferably, equal activity is pegged graft on connecting pipe, the second discharging pipe and is had the picture peg, first filter screen, second filter screen relative slope are installed inside the rose box, and the below that is located the first discharging pipe of second filter screen position is located to the first discharging pipe that is located first filter screen position.

The utility model discloses a technological effect and advantage: this shakeout mechanism is used in valve casting, through smashing the roller, smash the cooperation of tooth and heating resistor silk and use, be convenient for smash the molding sand of conglomeration and open, the molding sand of having solved the conglomeration is easy with the problem of screen cloth jam, through the air-blower, the design of blast pipe and bleeder vent, accelerate the circulation of air of smashing the incasement, the heating resistor silk can make the molding sand keep dry, the molding sand of being convenient for filters, through first filter screen, the design of second filter screen, can carry out the double filtration to the molding sand, filter out the molding sand that is fit for according to the operation requirement, the molding sand that makes the conglomeration can directly be recycled, this shakeout mechanism is used in valve casting, and reasonable design, and convenient for use avoids the.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the crushing box of the present invention;

fig. 3 is a sectional view of the crushing box of the present invention.

In the figure: 1 crushing case, 2 crushing chamber, 3 crushing roller, 4 filter tank, 5 first discharging pipe, 6 second discharging pipe, 7 first filter screen, 8 second filter screen, 9 connecting pipe, 10 heating resistance wire, 11 heat preservation layer, 12 heating layer, 13 top cover, 14 air blower, 15 blast pipe, 16 bleeder vent, 17 motor, 18 picture peg, 19 crushing tooth, 20 pivot, 21 bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

The utility model provides a shakeout mechanism for valve casting as shown in figures 1-3, which comprises a crushing box 1, a filter box 4 and an air blower 14, wherein the bottom end of the crushing box 1 is connected with the filter box 4 through a connecting pipe 9, the crushing box 1 is arranged right above the filter box 4, the top end of the crushing box 1 is connected with a top cover 13, the upper end surface of the top cover 13 is fixedly connected with the air blower 14, a crushing cavity 2 is arranged in the crushing box 1, the crushing cavity 2 is communicated with the connecting pipe 9, crushing rollers 3 are arranged in the crushing cavity 2, the crushing rollers 3 are provided with two groups, the crushing teeth 19 on the crushing rollers 3 are fixedly welded, the crushing teeth 19 on the crushing rollers 3 are respectively arranged in a staggered way, a heating layer 12 is fixedly connected to the outer side of the crushing box 1, a heat preservation layer 11 is fixedly connected to the outer side of the heating layer 12, and a motor 17 is, be equipped with first filter screen 7, second filter screen 8 in the rose box 4 respectively, second filter screen 8 is located first filter screen 7 directly over, rose box 4 both sides are located first filter screen 7, second filter screen 8 position and all are fixed the first discharging pipe 5 of pegging graft, first discharging pipe 5 is equipped with two sets ofly, rose box 4 bottom mounting is pegged graft and is had second discharging pipe 6.

Specifically, the top of connecting pipe 9 is fixed to be pegged graft in the bottom of smashing case 1, the fixed top of pegging graft at rose box 4 of the one end of smashing case 1 is kept away from to connecting pipe 9, connecting pipe 9 and the inside intercommunication of rose box 4, it still is connected with the landing leg to smash 1 bottom of case, and the landing leg fixed weld is on the top of rose box 4.

It is specific, smash the equal fixed welding of 1 both sides inner wall of case and have crushing tooth 19, the 19 homogeneous phases of the crushing tooth of 1 both sides of crushing case are to parallel arrangement, just the crisscross setting of crushing tooth 19 on crushing tooth 19 of 1 both sides of crushing case and two sets of crushing roller 3 is convenient for smash the molding sand of smashing in the case 1, can improve the crushing quality of molding sand.

Specific, zone of heating 12, heat preservation 11 are C style of calligraphy structure, inlay in the zone of heating 12 and install heating resistor silk 10, smash case 1 and be located motor 17 position and inlay and install bearing 21, bearing 21 internal fixation is pegged graft and is had pivot 20, pivot 20 one end is connected with motor 17, the one end that motor 17 was kept away from in pivot 20 is connected with crushing roller 3, and heat preservation 11 is the aerogel carpet veneer, and the aerogel carpet is with nanometer silica aerogel as main part material, through the flexible heat preservation carpet that special technology formed with glass fiber cotton or the preoxidation fibrofelt complex, has certain tensile and compressive strength to improve zone of heating 12's heat preservation effect, motor 17 is equipped with two sets ofly.

Specifically, air-blower 14 is connected with crushing case 1 through

blast pipe

15, 14 one side of air-blower is equipped with bleeder vent 16, bleeder vent 16 is seted up on top cap 13, bleeder vent 16 and crushing chamber 2 intercommunication, the terminal surface is located blast pipe 15 place and installs the guard shield under top cap 13, inlays in the bleeder vent 16 and installs at a distance from the net, and bleeder vent 16 is convenient for smash the circulation of air in the case 1, separates the net and avoids in debris entering crushing case 1, has seted up the exhaust vent on the guard shield, and the guard shield from down and go up the lock at the lower terminal surface of

top cap

13, and 15 exports of blast pipe are located the guard shield, through the design of guard shield, avoid the molding sand in crushing case 1 to get into in the air outlet of blast pipe 15.

It is specific, equal activity is pegged graft on connecting pipe 9, the second discharging pipe 6 and is had picture peg 18, first filter screen 7, the relative slope of second filter screen 8 are installed inside rose box 4, and the below that is located the first discharging pipe 5 of second filter screen 8 place is located to first discharging pipe 5 that is located first filter screen 7 place position, and two sets of first discharging pipes 5 set up in rose box 4 both sides relative slope.

Specifically, when the shakeout mechanism for valve casting is used, firstly, molding sand is added into the crushing box 1, then the top cover 13 provided with the air blower 14 is covered from top to bottom, then two sets of motors 17 are simultaneously opened, the two sets of motors 17 simultaneously drive the two sets of crushing rollers 3 to be opened through the rotating shaft 20 so as to rotate, the crushing teeth 19 on the two sets of crushing rollers 3 are arranged in a staggered manner, the crushing teeth 19 on the two sides of the crushing box 1 and the crushing teeth 19 on the two sets of crushing rollers 3 are arranged in a staggered manner, so that the purpose of crushing agglomerated molding sand is achieved, when the molding sand is crushed, the heating resistance wire 10 heats the crushing box 1, the air blower 14 also starts to work, air is blown into the crushing box 1 through the blast pipe 15 so that the molding sand can be kept dry, the molding sand after crushing enters the filter box 4 through the connecting pipe 9 and is filtered through the first filter screen 7 and the second, the sand falling mechanism is used in the valve casting, reasonable in design, and convenient to use avoids the molding sand phenomenon of agglomerating to appear.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a knockout mechanism is used in valve casting, is including smashing case (1), rose box (4) and air-blower (14), its characterized in that: the bottom end of the crushing box (1) is connected with the filter box (4) through a connecting pipe (9), the crushing box (1) is arranged right above the filter box (4), the top end of the crushing box (1) is connected with a top cover (13), an air blower (14) is fixedly connected with the upper end face of the top cover (13), a crushing cavity (2) is arranged in the crushing box (1), the crushing cavity (2) is communicated with the connecting pipe (9), crushing rollers (3) are arranged in the crushing cavity (2), the crushing rollers (3) are provided with two groups, the crushing rollers (3) are fixedly welded with crushing teeth (19), the crushing teeth (19) on the crushing rollers (3) are respectively arranged in a staggered manner, a heating layer (12) is fixedly connected with the outer side of the crushing box (1), a heat preservation layer (11) is fixedly connected with the outer side of the heating layer (12), and a motor (17) is fixedly arranged at one end of the crushing box (, be equipped with first filter screen (7), second filter screen (8) in rose box (4) respectively, second filter screen (8) are located first filter screen (7) directly over, rose box (4) both sides are located first filter screen (7), second filter screen (8) position and all fix first discharging pipe (5) of pegging graft, first discharging pipe (5) are equipped with two sets ofly, rose box (4) bottom mounting is pegged graft and is had second discharging pipe (6).

2. The knockout mechanism for valve casting according to claim 1, wherein: the top end of the connecting pipe (9) is fixedly inserted in the bottom end of the crushing box (1), one end, far away from the crushing box (1), of the connecting pipe (9) is fixedly inserted in the top end of the filter box (4), the connecting pipe (9) is communicated with the inside of the filter box (4), the bottom end of the crushing box (1) is further connected with supporting legs, and the supporting legs are fixedly welded on the top end of the filter box (4).

3. The knockout mechanism for valve casting according to claim 1, wherein: smash case (1) both sides inner wall all fixed welding have crushing tooth (19), smash the relative parallel arrangement of crushing tooth (19) homogeneous phase of case (1) both sides, just smash crushing tooth (19) of case (1) both sides and two sets of crushing tooth (19) crisscross settings on smashing roller (3).

4. The knockout mechanism for valve casting according to claim 1, wherein: zone of heating (12), heat preservation (11) are C style of calligraphy structure, inlay in the zone of heating (12) and install heating resistor silk (10), it inlays and installs bearing (21) to be located motor (17) position to smash case (1), bearing (21) internal fixation is pegged graft and is had pivot (20), pivot (20) one end is connected with motor (17), the one end that motor (17) were kept away from in pivot (20) is connected with crushing roller (3).

5. The knockout mechanism for valve casting according to claim 1, wherein: air-blower (14) are connected with crushing case (1) through blast pipe (15), air-blower (14) one side is equipped with bleeder vent (16), bleeder vent (16) are seted up on top cap (13), bleeder vent (16) and crushing chamber (2) intercommunication, the terminal surface is located blast pipe (15) place position under top cap (13) and installs the guard shield.

6. The knockout mechanism for valve casting according to claim 1, wherein: equal activity is pegged graft on connecting pipe (9), second discharging pipe (6) and is had picture peg (18), first filter screen (7), second filter screen (8) slope relatively and install inside rose box (4), and first discharging pipe (5) that are located first filter screen (7) position are located and are located the below of first discharging pipe (5) that are located second filter screen (8) position.