CN209849811U

CN209849811U - Sand warehouse and valve thereof

Info

Publication number: CN209849811U
Application number: CN201920041443.3U
Authority: CN
Inventors: 刘红彦; 谢晓华; 谢晓广; 梁欣凤; 刘子源; 刘泽华
Original assignee: Henan Zhengbang Machinery Manufacturing Co Ltd
Current assignee: Henan Zhengbang Machinery Manufacturing Co Ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-12-27
Anticipated expiration: 2029-01-10

Abstract

The utility model relates to a valve, including the barrel that is equipped with the notch on the lateral wall and insert the flashboard of establishing in the notch, be equipped with the supporting mechanism that is used for the centre gripping on the inner wall of barrel, supports the corresponding marginal part of flashboard, the supporting mechanism includes the grip block that sets up in notch department and sets up the backup pad on the barrel inner wall, the grip block all has the setting in both sides of flashboard thus form the centre gripping space that is used for centre gripping the flashboard, the backup pad has the bearing surface of bearing flashboard; still relate to a sand storehouse that is equipped with above-mentioned valve. The utility model discloses sealing capacity has been guaranteed to protection flashboard that can be good when the valve is in the closed condition for a long time avoids the long-time atress of flashboard to warp and influences the use, prevents that the valve from appearing closed not tight, the card is dead, open and close difficult scheduling problem.

Description

Sand warehouse and valve thereof

Technical Field

The utility model relates to a casting equipment field especially relates to a sand storehouse and valve thereof.

Background

Casting is a basic technology in modern industrial technology, which is a relatively early metal hot working process mastered by human beings, and the basic principle is to cast liquid metal into a casting cavity matched with the shape of a part to obtain the part or a blank, most of the cast substances are metals which are originally in a solid state but are heated to a liquid state, such as copper, iron, aluminum and the like, the materials of a casting mold can be sand, metal or even ceramic, and the most widely used and cheapest casting mold usually adopts sand as the casting mold material, so sand mold making equipment is usually required to be arranged in casting production.

In sand mold manufacturing equipment, sand needs to be output from a sand warehouse and enter related manufacturing equipment for manufacturing, the sand warehouse is equipment which is used for storing the sand, is generally in a cone-shaped structure and discharges the sand by utilizing the self weight of the sand, the sand discharging of the sand warehouse of a small sand mold manufacturing line is generally in discontinuous sand discharging, so that a related valve is needed to control the sand discharging, the valve adopted by the existing small sand warehouse is generally in a cylinder structure, a notch is formed in a cylinder, a gate plate used for closing the cylinder is inserted into the notch, the gate plate is pulled out when the sand discharging is needed so as to release the closed state, the gate plate is inserted into the notch during closing so as to prevent the sand from flowing down, a rotating pin is usually arranged on the outer wall of the cylinder so as to facilitate the plugging and the pulling of the gate plate, the gate plate is rotatably connected to the rotating pin and is provided with a rotating handle, and the valve needs to bear the weight of the sand in the, or the gate plate is blocked at the groove opening due to the inclination of bearing pressure, so that the problem of inconvenient use is caused, and therefore, a novel valve is needed to be developed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve to solve the inconvenient problem of valve of sand storehouse sediment outflow among the prior art. Also provides a sand silo using the valve.

The utility model discloses a valve adopts following technical scheme:

the utility model provides a valve, includes the barrel that is equipped with the notch on the lateral wall and inserts and establish flashboard in the notch, the flashboard rotates with the barrel to be connected, be equipped with the supporting mechanism who is used for the centre gripping, supports the flashboard and corresponds marginal position on the inner wall of barrel, supporting mechanism is including setting up the grip block in notch department and setting up the backup pad on the barrel inner wall, thereby the grip block all has the setting to form in the both sides of flashboard and is used for the centre gripping space of flashboard, the backup pad has the bearing surface of bearing flashboard.

The backup pad is fan ring-shaped to be right angled triangle at the ascending cross-section in diameter direction, the curved surface at right angled triangle's hypotenuse place constitutes bearing surface, the marginal part that the flashboard corresponds bearing surface has with bearing surface matched with by bearing surface.

The supporting plate is provided with a plurality of sand discharge grooves extending along the axial direction of the cylinder body on a curved surface connected with the inner wall of the cylinder body, and the sand discharge grooves and the inner wall of the cylinder body jointly form a sand discharge channel for discharging sand grains on the bearing surface.

The supporting mechanism further comprises a pressing plate which is correspondingly arranged with the supporting plate, so that a supporting space for supporting the flashboard is formed by the pressing plate and the supporting surface of the supporting plate.

The pressing plate is in a fan-ring shape, a spherical groove is formed in the side face corresponding to the flashboard, and a hemispherical bump matched with the spherical groove is arranged on the side face corresponding to the flashboard, so that a locking mechanism for preventing the flashboard from loosening is formed.

The clamping plate is in a fan ring shape, the cross section of the clamping plate in the diameter direction is a right-angled triangle, and the surfaces of two right-angled sides of the right-angled triangle correspond to the inner wall of the cylinder and the flashboard respectively.

And an overhanging part which is overhung at the edge of the flashboard corresponding to the notch and is convenient for assisting the movement of the flashboard is arranged on the outer side of the barrel.

The utility model discloses a sand storehouse adopts following technical scheme:

the utility model provides a sand warehouse, is in including sand warehouse body and setting the valve of sand warehouse body below, the valve includes the barrel that is equipped with the notch on the lateral wall and inserts and establish flashboard in the notch, the flashboard rotates with the barrel to be connected, be equipped with the supporting mechanism who is used for the centre gripping, supports the flashboard and corresponds the edge part on the inner wall of barrel, supporting mechanism is including setting up the grip block at notch and setting up the backup pad on the barrel inner wall, thereby the grip block all has the setting to form in the both sides of flashboard and is used for the centre gripping space of flashboard, the backup pad has the bearing surface of bearing flashboard.

The utility model has the advantages that: the utility model discloses supporting mechanism has been set up on the inner wall of barrel, grip block and backup pad among the supporting mechanism can provide the holding power to the flashboard, thereby stabilize the motion of flashboard, effectively reduce the weight of grit to the influence of flashboard motion, it is tight to prevent that the valve from appearing the closure, the card is dead, open and close difficult scheduling problem, high durability and convenient use, reliability, the grip block can also carry out the scraping processing to the surface of flashboard, prevent that the sand grain from passing through the notch along with the flashboard and revealing, the sealing capacity of valve has been guaranteed, the backup pad can be good protection flashboard when the valve is in the closed condition for a long time, avoid the long-time atress of flash.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of an embodiment of a valve of the present invention;

FIG. 2 is a top view corresponding to FIG. 1;

FIG. 3 is a view C-C of FIG. 2;

FIG. 4 is an enlarged schematic view of view A of FIG. 3;

FIG. 5 is an enlarged schematic view of view B of FIG. 3;

FIG. 6 is a schematic view of the shape of the shutter;

FIG. 7 is a schematic view of the shape of the support plate;

FIG. 8 is a schematic view of the shape of the platen;

in the figure: 1. a barrel; 2. a shutter plate; 21. an inner connection part; 22. an outer edge portion; 23. a handle; 24. rotating the hole; 25. a bump; 3. a clamping plate; 4. pressing a plate; 5. a support plate; 51. a sand discharge groove; 6. and rotating the pin.

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 discloses an embodiment of a valve, as shown in fig. 1 to fig. 8, a valve, be equipped with the barrel 1 of notch on the lateral wall and insert and establish in the notch and with the flashboard 2 of barrel 1 inner wall shape mutually supporting, the notch is the arc opening of semicircle form, flashboard 2 rotates through the rotating pin 6 that welds in the notch tip outside with barrel 1 and is connected, and be equipped with the handle 23 that is used for rotating flashboard 2 on the flashboard 2, wherein be used for on the flashboard 2 with rotating pin 6 normal running fit's rotation hole 24 sets up in the junction department of handle 23 with flashboard 2, be equipped with on the inner wall of cooperation barrel 1 and be used for the centre gripping, support the supporting mechanism that flashboard 2 corresponds the edge part.

In this embodiment, supporting mechanism is including setting up at the inboard grip block 3 of notch and setting up the backup pad 5 that locates at the 1 inner wall of barrel and the relative position of grip block 3, thereby grip block 3 all has the setting in the both sides of flashboard 2 and forms the centre gripping space that is used for centre gripping flashboard 2, grip block 3 is the fan ring form and is right angled triangle at the cross-section along diametric (al), the face at two right-angle sides place of right angled triangle corresponds with the inner wall and the flashboard 2 of barrel 1 respectively, backup pad 5 is the fan ring form and has the bearing surface of bearing flashboard 2, and backup pad 5 is right angled triangle at the cross-section along its diametric (al) in the direction, the curved surface at right angled triangle's hypotenuse place constitutes the bearing surface, the marginal part that the bearing surface corresponds to flashboard 2 has the face that is supported with.

In this embodiment, in order to make the closing action of flashboard 2 smooth, the supporting mechanism further includes the annular clamp plate 4 of fan that corresponds the setting with backup pad 5, thereby clamp plate 4 forms the bearing space that is used for bearing flashboard 2 jointly with the bearing face of backup pad 5, be equipped with the sphere recess on the side that clamp plate 4 corresponds with flashboard 2, thereby be equipped with on the corresponding side of flashboard 2 with the sphere recess complex hemispherical lug 25 form jointly and be used for preventing the locking mechanism that flashboard 2 pine takes off, hemispherical lug 25 on the flashboard 2 can also prevent flashboard 2 to dash out the notch with the cooperation of grip block 3 in addition.

In this embodiment, in order to prevent the sand particles from being retained at the joint of the supporting plate 5 and the inner wall of the cylinder 1, a plurality of sand discharge grooves 51 extending along the axial direction of the cylinder 1 are provided on the curved surface connecting the supporting plate 5 and the inner wall of the cylinder 1, and the sand discharge grooves 51 and the inner wall of the cylinder 1 together form a sand discharge passage for discharging the sand particles on the bearing surface.

In this embodiment, in order to facilitate opening and closing of the auxiliary gate, an outer edge overhanging outside the cylinder 1 is arranged at the edge of the corresponding notch of the gate 2, and the outer edge constitutes an overhanging portion, so that a portion of the gate 2 for closing is composed of two semicircles with different radiuses, and the inner portion 21 with a small diameter and the outer portion 22 with a large diameter are arranged in the two semicircles.

In other embodiments, the clamping plate can also be arranged on the outer wall of the cylinder body outside the notch; the cross section of the support plate in the direction of the diameter thereof can also be triangular in other shapes; the overhanging portion of the shutter may also be a pin, hook, etc.

During specific manufacturing, the gate can be installed into the notch and kept in a closed state, and then the members of the supporting mechanism are correspondingly welded on two sides of the gate plate 2 in the inner wall of the cylinder body 1 and the attaching effect of the gate is ensured; when the gate is used, the gate is arranged at the lower end of a sand warehouse, when sand is stored in the sand warehouse and needs to be put, the gate 2 is rotated through the handle 23 to open the gate, at the moment, the sand particles pass through the barrel 1 by means of self weight, at the moment, the clamping plate 3 provides clamping force to prevent the gate 2 from being excessively overturned under pressure to cause jamming, the hemispherical convex block 25 on the gate 2 can be in blocking fit with the clamping plate 3 to prevent the gate 2 from being punched out of a notch, when the gate 2 is closed, the gate 2 returns, at the moment, the clamping plate 3 still provides clamping force, when the supported surface of the gate 2 is in contact with the supporting surface of the supporting plate 5, because the supported surface of the gate 2 is in gradient contact with the supporting surface of the supporting plate 5, the situation that the valve is not tightly closed due to the fact that the gate 2 is deformed under the pressure and is pushed against the gate 5 is avoided, the gate 2 is continuously closed, sand grain accessible sand discharge channel discharges and guarantees closed effect on the backup pad 5, and backup pad 5 provides the holding power during the closure state, prevents that long-time pressurized of flashboard 2 from producing the deformation that can not resume, ensures the reliability of valve.

The utility model discloses the motion of flashboard 2 can be stabilized to the supporting mechanism who sets up on the inner wall of barrel 1, effectively reduces the weight of grit to the influence of flashboard 2 motion, prevents that the valve from appearing closed not tight, the card is dead, open and close difficult scheduling problem, convenient to use, reliable, grip block 3 can also carry out the scraping to the surface of flashboard 2 and handle, prevents that the sand grain from revealing through the notch along with flashboard 2, has guaranteed the sealing capacity of valve.

A sand warehouse comprises a sand warehouse body and a valve arranged below the sand warehouse body, wherein the valve is as described above, and therefore the description is omitted.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve, includes the barrel that is equipped with the notch on the lateral wall and inserts and establish flashboard in the notch, the flashboard rotates with the barrel to be connected its characterized in that: be equipped with the supporting mechanism who is used for the centre gripping, supports the flashboard and corresponds the edge part on the inner wall of barrel, supporting mechanism is including setting up the grip block in notch department and setting up the backup pad on the barrel inner wall, thereby the grip block all has the setting to form in the both sides of flashboard and is used for the centre gripping space of flashboard, the backup pad has the bearing surface of bearing flashboard.

2. A valve according to claim 1, wherein: the backup pad is fan ring-shaped to be right angled triangle at the ascending cross-section in diameter direction, the curved surface at right angled triangle's hypotenuse place constitutes bearing surface, the marginal part that the flashboard corresponds bearing surface has with bearing surface matched with by bearing surface.

3. A valve according to claim 2, wherein: the supporting plate is provided with a plurality of sand discharge grooves extending along the axial direction of the cylinder body on a curved surface connected with the inner wall of the cylinder body, and the sand discharge grooves and the inner wall of the cylinder body jointly form a sand discharge channel for discharging sand grains on the bearing surface.

4. A valve according to claim 1, 2 or 3, wherein: the supporting mechanism further comprises a pressing plate which is correspondingly arranged with the supporting plate, so that a supporting space for supporting the flashboard is formed by the pressing plate and the supporting surface of the supporting plate.

5. A valve according to claim 4, wherein: the pressing plate is in a fan-ring shape, a spherical groove is formed in the side face corresponding to the flashboard, and a hemispherical bump matched with the spherical groove is arranged on the side face corresponding to the flashboard, so that a locking mechanism for preventing the flashboard from loosening is formed.

6. A valve according to claim 1, wherein: the clamping plate is in a fan ring shape, the cross section of the clamping plate in the diameter direction is a right-angled triangle, and the surfaces of two right-angled sides of the right-angled triangle correspond to the inner wall of the cylinder and the flashboard respectively.

7. A valve according to claim 1, wherein: and an overhanging part which is overhung at the edge of the flashboard corresponding to the notch and is convenient for assisting the movement of the flashboard is arranged on the outer side of the barrel.

8. The utility model provides a sand magazine, is in including sand magazine body and setting the valve of sand magazine body below, its characterized in that: the valve is as claimed in any one of claims 1 to 7.