CN214417592U - Casting molding sand sieving mechanism is used in ball valve casting - Google Patents

Casting molding sand sieving mechanism is used in ball valve casting Download PDF

Info

Publication number
CN214417592U
CN214417592U CN202120326888.3U CN202120326888U CN214417592U CN 214417592 U CN214417592 U CN 214417592U CN 202120326888 U CN202120326888 U CN 202120326888U CN 214417592 U CN214417592 U CN 214417592U
Authority
CN
China
Prior art keywords
rod
box
striking
lead screw
ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120326888.3U
Other languages
Chinese (zh)
Inventor
周金辉
陈忠得
庄立明
周国柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Litai Valve Manufacturing Co ltd
Original Assignee
Henan Litai Valve Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Litai Valve Manufacturing Co ltd filed Critical Henan Litai Valve Manufacturing Co ltd
Priority to CN202120326888.3U priority Critical patent/CN214417592U/en
Application granted granted Critical
Publication of CN214417592U publication Critical patent/CN214417592U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The utility model relates to a ball valve foundry sand sieving mechanism for casting, including the box, be equipped with the screen cloth in the box, the below of box is equipped with the bracing piece, is equipped with the arc seat on the bracing piece, and the arc seat endotheca is equipped with the striker, and the one end of striker is equipped with the striking ball, and the other end of striker is equipped with the stay cord, and the stay cord all winds on the spool of motor, and the fixed action wheel that is equipped with on the spool of motor, the top of action wheel is equipped with from the driving wheel, is equipped with driving belt between action wheel and the driven wheel; a lead screw is fixedly arranged on one side of the driven wheel coaxially, a material homogenizing block is connected onto the lead screw in a threaded manner, a guide rod is arranged above the lead screw, a weight sensor is fixedly arranged at the bottom of the screen, a PLC control device is arranged at the top of the box body, when the screen is blocked, the motor starts to work, the pull rope is loosened reversely, the impact rod rebounds upwards, and therefore the impact ball impacts the screen and prevents the mesh from being blocked; meanwhile, the lead screw rotates to drive the material homogenizing block to homogenize the molding sand, the structure is simple, and the screening efficiency is high.

Description

Casting molding sand sieving mechanism is used in ball valve casting
Technical Field
The utility model relates to a ball valve processing field especially relates to a ball valve is foundry sand sieving mechanism for valve casting.
Background
Most of the existing ball valve bodies are made by casting, molding sand is used as a molding material in the casting, and the molding sand is generally formed by mixing molding materials such as raw sand for casting, a molding sand binder, auxiliary additives and the like according to a certain proportion. The molding sand can be divided into clay sand, sodium silicate sand, cement sand, resin sand and the like according to different binders, and the clay sand, the sodium silicate sand and the resin sand are used most; for example, chinese patent document with publication number CN210632892U discloses a foundry sand screening device, which comprises a box body, a motor supporting plate fixedly connected to the bottom of the right side of the box body, a driving motor fixedly connected to the top of the motor supporting plate, a transverse plate fixedly connected to the right side of the inner wall of the box body, a material guiding pipe penetrating the left side of the transverse plate, a straight plate fixedly connected between the bottom of the transverse plate and the left side of the bottom of the inner wall of the box body, a fine sand screen cartridge, a medium sand screen cartridge and a waste material cartridge respectively fixedly connected between the bottom of the transverse plate and the bottom of the inner wall of the box body from left to right, a screening screw rod fixedly connected to an output shaft of the driving motor, a screening screw , wherein the left end of the screening screw sequentially penetrates through the box body, the waste material cartridge, the medium sand screen cartridge and the fine sand screen cartridge and extends to the inside of the fine sand screen cartridge, the left end of the screening screw is fixedly connected with the axis center of the straight plate, the bottom of the box body is fixedly connected with a fine sand guide bin, a medium sand guide bin and a waste material guide bin from left to right in sequence, one side of the inner wall of the waste material guide bin is fixedly connected with a shell, the top of the inner wall of the shell is fixedly connected with a spring, the bottom of the spring is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with , both sides of the bottom of the connecting plate are fixedly connected with contacts, the inner wall of the shell is fixedly connected with a touch plate matched with the contacts for use, the bottom of the connecting is fixedly connected with a stress plate, the bottom of the inner wall of the shell is provided with a push head, the bottom of the push head is fixedly connected with a push rod, the bottom of the push rod penetrates through the shell and extends to the outside of the shell, the bottom of the push rod is rotatably connected with a baffle, and the back of the baffle is rotatably connected with the back of the inner wall of the waste material guide bin, the left top fixedly connected with siren of box, this sieving mechanism though can warn the staff in time to close the machine, prevent the long-time idle running of machine, nevertheless, because the molding sand takes place easily to pile up on the screen cloth, blocks up the mesh to some great molding sand granules easily moreover, leads to screening inefficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball valve is foundry molding sand sieving mechanism for valve casting for solve current ball valve for valve casting foundry molding sand sieving mechanism screen cloth be blockked up easily problem.
In order to solve the problems, the utility model provides a ball valve is foundry sand sieving mechanism for valve casting, which comprises a box body, be equipped with the screen cloth in the box body, the below of box body is equipped with the bracing piece, evenly be equipped with a plurality of arc seats on the bracing piece, the arc seat endotheca is equipped with the striker rod, the striker rod is kept away from the one end of arc seat and is equipped with the striking ball, be equipped with the pressure spring between striking ball and the arc seat, the pressure spring cover is located on the striker rod, the striker rod is kept away from the one end of striking ball and runs through the bracing piece and is fixed with the stay cord, the stay cord all winds on the spool of motor, the motor is fixed in on the lateral wall of box body, be fixed with the action wheel on the spool of motor, be equipped with the driven wheel above the action wheel, be equipped with drive belt between action wheel and the driven wheel; a lead screw is fixedly arranged on one side of the driven wheel coaxially, a material homogenizing block is connected to the lead screw in a threaded manner, a guide rod is arranged above the lead screw, and the material homogenizing block is sleeved on the guide rod; the bottom of screen cloth is fixed and is equipped with the weight inductor, the top of box is equipped with PLC controlling means.
The utility model provides a ball valve is foundry sand sieving mechanism for valve casting still has following technical characteristic:
furthermore, a rope guide sleeve is fixedly arranged at the bottom of the supporting rod, and the pull rope penetrates through the rope guide sleeve.
Furthermore, a guide plate is obliquely arranged below the scroll.
Further, the inclination angle of the baffle is 30 °.
Further, the striking ball is made of stainless steel.
The utility model discloses following beneficial effect has: when the screen is blocked, the molding sand cannot fall from the meshes, the screen is overloaded, the weight sensor is started, the motor starts to rotate reversely to loosen the pull rope, the impact rod rebounds upwards under the action of the pressure spring, and the impact ball impacts the screen, so that the molding sand particles are effectively prevented from blocking the meshes; simultaneously the drive wheel drives from the driving wheel rotation, it drives from the driving wheel the lead screw rotates to the drive even material piece will the molding sand that the top of screen cloth was piled up is even opened, simple structure, and screening efficiency is high.
Drawings
Fig. 1 is a schematic overall structure diagram of the foundry sand screening device for casting a ball valve;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of the arc seat.
Detailed Description
The invention will be described in detail below with reference to the accompanying drawings and with reference to embodiments, it being noted that the embodiments and features of the embodiments can be combined with each other without conflict.
As shown in fig. 1 to 3, in an embodiment of a foundry sand screening device for casting a ball valve, the device includes a box 1, a screen 2 is disposed in the box 1, a support rod 3 is disposed below the box 1, a plurality of arc seats 4 are uniformly disposed on the support rod 3, a striker 5 is disposed in each arc seat 4 in a sleeved manner, a striking ball 51 is disposed at one end of the striking rod 5 away from the arc seat 4, a pressure spring 6 is disposed between the striking ball 51 and the arc seat 4, the pressure spring 6 is sleeved on the striking rod 5, a pull rope 7 is fixedly disposed at one end of the striking rod 5 away from the striking ball 51, the pull rope 7 is wound on a reel 80 of a motor 8, the motor 8 is fixed on a side wall of the box 1, a driving wheel 81 is fixedly disposed on the reel of the motor 8, a driven wheel 82 is disposed above the driving wheel 81, and a transmission belt 83 is disposed between the driving wheel 81 and the driven wheel 82; a screw rod 9 is fixedly arranged on one side of the driven wheel 82 coaxially, a material homogenizing block 91 is connected to the screw rod 9 in a threaded manner, a guide rod 10 is arranged above the screw rod 9, and the material homogenizing block 91 is sleeved on the guide rod 11; the bottom of the screen 2 is fixedly provided with a weight sensor 21, the top of the box body 1 is provided with a PLC (programmable logic controller) 12, specifically, when the screen 2 is blocked, the molding sand cannot fall smoothly, the screen 2 is overloaded, the weight sensor 21 is started, the motor 8 starts to rotate reversely, the pull rope 7 is loosened, the impact rod 5 rebounds upwards under the action of the pressure spring 6, and therefore the impact ball 51 impacts the screen 2, and the molding sand particles are effectively prevented from blocking meshes; meanwhile, the driving wheel 81 drives the driven wheel 82 to rotate, the driven wheel 82 drives the lead screw 9 to rotate, the uniform material block 91 is driven to uniformly open molding sand accumulated above the screen 2, the structure is simple, and the screening efficiency is high.
In one embodiment of the present application, preferably, a rope guide 71 is fixedly disposed at the bottom of the support rod 3, and the pull rope 7 penetrates through the rope guide 71.
In one embodiment of the present application, preferably, a baffle 13 is obliquely provided below the scroll 80.
In one embodiment of the present application, the angle of inclination of the baffle 13 is preferably 30 °.
In one embodiment of the present application, the material of the impact ball 51 is preferably stainless steel.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or the central technical features thereof can be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. The utility model provides a ball valve is foundry sand sieving mechanism for valve casting, includes the box, be equipped with the screen cloth in the box, its characterized in that: a supporting rod is arranged below the box body, a plurality of arc seats are uniformly arranged on the supporting rod, a striking rod is sleeved in each arc seat, a striking ball is arranged at one end, away from each arc seat, of the striking rod, a pressure spring is arranged between each striking ball and each arc seat, the pressure spring is sleeved on each striking rod, one end, away from each striking ball, of each striking rod penetrates through the supporting rod and is fixedly provided with a pull rope, the pull ropes are wound on a reel of a motor, the motor is fixed on the side wall of the box body, a driving wheel is fixedly arranged on the reel of the motor, a driven wheel is arranged above the driving wheel, and a transmission belt is arranged between the driving wheel and the driven wheel; a lead screw is fixedly arranged on one side of the driven wheel coaxially, a material homogenizing block is connected to the lead screw in a threaded manner, a guide rod is arranged above the lead screw, and the material homogenizing block is sleeved on the guide rod; the bottom of screen cloth is fixed and is equipped with the weight inductor, the top of box is equipped with PLC controlling means.
2. The foundry sand screening apparatus for ball valve casting of claim 1, wherein: the bottom of the supporting rod is fixedly provided with a rope guide sleeve, and the pull rope penetrates through the rope guide sleeve.
3. The foundry sand screening apparatus for ball valve casting of claim 1, wherein: and a guide plate is obliquely arranged below the scroll.
4. The foundry sand screening device for ball valve casting of claim 3, wherein: the inclination angle of guide plate is 30.
5. The foundry sand screening apparatus for ball valve casting of claim 1, wherein: the striking ball is made of stainless steel.
CN202120326888.3U 2021-02-05 2021-02-05 Casting molding sand sieving mechanism is used in ball valve casting Active CN214417592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120326888.3U CN214417592U (en) 2021-02-05 2021-02-05 Casting molding sand sieving mechanism is used in ball valve casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120326888.3U CN214417592U (en) 2021-02-05 2021-02-05 Casting molding sand sieving mechanism is used in ball valve casting

Publications (1)

Publication Number Publication Date
CN214417592U true CN214417592U (en) 2021-10-19

Family

ID=78071538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120326888.3U Active CN214417592U (en) 2021-02-05 2021-02-05 Casting molding sand sieving mechanism is used in ball valve casting

Country Status (1)

Country Link
CN (1) CN214417592U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114905005A (en) * 2022-02-15 2022-08-16 江西樟树市福铃内燃机配件有限公司 Internal combustion engine accessory sand treatment production line and production process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114905005A (en) * 2022-02-15 2022-08-16 江西樟树市福铃内燃机配件有限公司 Internal combustion engine accessory sand treatment production line and production process thereof

Similar Documents

Publication Publication Date Title
CN214417592U (en) Casting molding sand sieving mechanism is used in ball valve casting
CN211937345U (en) A meticulous grinder for industrial chemicals
CN212068926U (en) Demolish breaker for engineering
CN212664827U (en) Double-arm resin sand mixer
CN211643626U (en) Cement promotes conveying equipment for cement manufacture
CN207307741U (en) A kind of nonpetroleum Jiao mixing apparatus
CN210230264U (en) Fine sand recovery unit of powder
CN209425873U (en) A kind of gypsum mortar blender feeding device
CN208146373U (en) A kind of cylinder round sifter
CN203379986U (en) Novel ore washer
CN214974764U (en) Municipal administration building rubbish circulation reducing mechanism
CN211640433U (en) Integrated forming device for reactive powder concrete
CN114522766A (en) Screening sand device for construction
CN213084204U (en) A feed bin of waiting to smash for in feed processing process
CN214561961U (en) Building waste retrieves and uses concrete storage stirring fill
CN219334411U (en) Sand and aggregate crushing and screening equipment
CN216988076U (en) Magnetic separation device for separating impurities in rare earth permanent magnet material
CN215878323U (en) Steel slag screening device for steel slag masonry cement production
CN219672154U (en) Building hoist and mount hopper
CN219965545U (en) Filtering device for stone paint raw materials
CN220276365U (en) Filtering device for quartz sand pickling solution
CN216917154U (en) Discharge port of cement bin
CN220725101U (en) Quick pouring device for building pile body
CN210791464U (en) Funnel type pouring tool for assembled novel steel framework plate
CN217796496U (en) Building concrete block waste recycling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant