CN212525894U

CN212525894U - Hot sand discharging device for production of precoated sand

Info

Publication number: CN212525894U
Application number: CN202021085735.6U
Authority: CN
Inventors: 王建明; 李志杰; 李国忠
Original assignee: Danyang Danshui Casting New Material Co ltd
Current assignee: Danyang Danshui Casting New Material Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-02-12
Anticipated expiration: 2030-06-13

Abstract

The utility model discloses a hot sand discharging device for production of precoated sand, which comprises a first discharging bin, wherein a striker plate is arranged at the middle position of the tops of the two ends in the first discharging bin, third rotating shafts are symmetrically arranged at the tops of the two sides in the first discharging bin, stirring blades are sleeved on the outer sides of the third rotating shafts, and a first bevel gear is arranged on one side, close to each other, of the third rotating shafts; the utility model discloses the device is through when carrying out the unloading to the tectorial membrane sand, be provided with and stir it, break up the tectorial membrane sand, it is troublesome to reduce follow-up adding man-hour bringing unnecessary to the tectorial membrane sand, carry out intermittent type unloading to the tectorial membrane sand simultaneously, not only can prevent pouring out of tectorial membrane sand, lead to scattering of tectorial membrane sand, simultaneously can also even unloading, percussion device can strike the second play feed bin for the vibrations that produce, shake to the tectorial membrane sand that adheres to on the second play feed bin lateral wall and fall, promote the unloading.

Description

Hot sand discharging device for production of precoated sand

Technical Field

The utility model relates to a discharging device technical field specifically is a hot sand discharging device is used in tectorial membrane sand production.

Background

The surface of the sand grain of the precoated sand is coated with molding sand or core sand of a layer of solid resin film before modeling, there are two kinds of precoating processes of cold method and hot method, the cold method uses ethanol to dissolve the resin, and add urotropine in the course of mixing the sand, make the two coat on the surface of the sand grain, ethanol volatilizes, get precoated sand, the hot method preheats the sand to certain temperature, add resin to make it melt, stir to make the resin coat on the surface of the sand grain, add urotropine aqueous solution and lubricant, cool, break, screen and get the precoated sand, wherein, need to carry on the blanking before every process;

the existing blanking process is too simple and has certain defects:

1. when the precoated sand is produced, the surface of the hot precoated sand is not completely cooled, so that the precoated sand can be bonded into blocks, and the subsequent production and manufacturing are troublesome;

2. meanwhile, when the material is discharged, the coated sand is easy to scatter if the material is too fast, and the subsequent process is relatively labored due to the too fast material discharge, so that the coated sand which is discharged too fast can be accommodated;

3. when the unloading, the condition of bonding at the unloading inner wall can appear in the tectorial membrane sand, and the manual work is got up comparatively trouble to its clearance, causes certain hindrance to the unloading simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tectorial membrane sand production is with hot sand discharging device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hot sand discharging device for production of precoated sand comprises a first discharging bin, wherein a striker plate is arranged at the middle position of the tops of two ends in the first discharging bin, third rotating shafts are symmetrically arranged at the tops of two sides in the first discharging bin, stirring blades are sleeved on the outer sides of two groups of the third rotating shafts, a first bevel gear is arranged on one side, close to each other, of the two groups of the third rotating shafts, a second discharging bin is arranged at the bottom of the first discharging bin, a fan-shaped fixed plate is arranged at the top of one side in the second discharging bin, a second rotating shaft is sleeved on one side of the top of the fan-shaped fixed plate, a second bevel gear is arranged at the top of the second rotating shaft, a fan-shaped rotating plate is arranged at the bottom of the outer side of the second rotating shaft, a protection bin is arranged at the middle position, close to one side of the fan-shaped fixed plate, and a rack, one side cover that the second goes out the feed bin is kept away from in the rack outside is equipped with the spring, the four driving motor in top of first play feed bin one side, driving motor's output is provided with first pivot, the intermediate position department in the first pivot outside and the intermediate position department in the second pivot outside all overlap and are equipped with the belt axle, and are two sets of the outside cover of belt axle is equipped with the belt, the bottom of first pivot extends to the inside in protection storehouse, the bottom of first pivot is provided with the half-gear, intermeshing between half-gear and the rack, the intermediate position department of the positive one end of first play feed bin is provided with control panel, control panel passes through the wire and is connected with the driving motor electricity.

Preferably, the outside of driving motor is provided with the motor storehouse, and the inboard in motor storehouse is provided with the amortization cotton.

Preferably, one side of the rack close to the second discharging bin is provided with an impact ball, and the impact ball is made of rubber.

Preferably, one side of the rack, which is far away from the second discharging bin, is provided with a limiting block, and the limiting block and the spring are fixedly connected with each other.

Preferably, the striker plate is the style of calligraphy of falling V, and the striker plate is located first bevel gear and second bevel gear directly over.

Preferably, the second rotating shaft is fixedly connected with the sector rotating plate, and the second rotating shaft is slidably connected with the sector fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the hot sand discharging device for precoated sand production is provided with a stirrer for stirring precoated sand when the precoated sand is discharged, so that the precoated sand is prevented from being bonded with each other during discharging, the precoated sand is scattered, unnecessary troubles are caused during subsequent processing of the precoated sand, the precoated sand is discharged intermittently during discharging, the precoated sand is prevented from being discharged due to pouring, the precoated sand is prevented from scattering, and meanwhile, uniform discharging can be realized;

1. through the mutual matching of the first bevel gear, the second bevel gear, the stirring blade, the second rotating shaft and the third rotating shaft, when the precoated sand is fed, the precoated sand is stirred, so that the precoated sand is prevented from being bonded together during feeding and scattered, and unnecessary troubles are caused in the subsequent processing of the precoated sand;

2. through the mutual matching of the fan-shaped fixed plate, the fan-shaped rotating plate and the second rotating shaft, the precoated sand can be subjected to intermittent blanking, so that the precoated sand can be prevented from pouring out to cause scattering of the precoated sand, and can be uniformly blanked, and the situation that the blanking is too fast in the transportation process to cause more labor in subsequent work is prevented;

3. through mutually supporting between driving motor, first pivot, belt, protection storehouse, spring, semi-gear and the rack, go out the feed bin to the second and strike, because hot tectorial membrane sand probably or attached to the second go out the feed bin lateral wall on, can influence going on of unloading for the vibrations that produce shake to the tectorial membrane sand that attaches to on the second goes out the feed bin lateral wall and falls, promotes the unloading.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a half-gear and rack transmission of the present invention;

fig. 4 is a perspective view of the fan-shaped fixed plate and the fan-shaped rotating plate of the present invention.

In the figure: 1. a first discharging bin; 2. a first bevel gear; 3. a striker plate; 4. a second bevel gear; 5. stirring blades; 6. a drive motor; 7. a first rotating shaft; 8. a belt; 9. a protection bin; 10. a spring; 11. a half gear; 12. a rack; 13. a fan-shaped fixing plate; 14. a second discharging bin; 15. a sector rotating plate; 16. A belt shaft; 17. a second rotating shaft; 18. a third rotating shaft; 19. a control panel.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a hot sand discharging device for precoated sand production comprises a first discharging bin 1, wherein striker plates 3 are arranged at the middle positions of the tops of two ends in the first discharging bin 1, powder is fed to the blanking, and meanwhile, the blanking is prevented from influencing the meshing of a first bevel gear 2 and a second bevel gear 4, third rotating shafts 18 are symmetrically arranged at the tops of two sides in the first discharging bin 1, stirring blades 5 are sleeved on the outer sides of two groups of third rotating shafts 18, the first bevel gear 2 is arranged at one side, close to each other, of the two groups of third rotating shafts 18, a second discharging bin 14 is arranged at the bottom of the first discharging bin 1, a fan-shaped fixing plate 13 is arranged at the top of one side in the second discharging bin 14, a second rotating shaft 17 is sleeved at one side of the top of the fan-shaped fixing plate 13, a second rotating shaft 17 is arranged at the top of the second rotating shaft 17, a fan-shaped rotating plate 15 is arranged at the bottom of the outer side of the second rotating shaft 17, one side cover that second ejection of compact storehouse 14 was kept away from to protection storehouse 9 is equipped with rack 12, strike second ejection of compact storehouse 14, one side cover that second ejection of compact storehouse 14 was kept away from in the rack 12 outside is equipped with spring 10, the four group driving motor 6 in top of 1 one side of first ejection of compact storehouse, driving motor 6's output is provided with first pivot 7, the intermediate position department in the first pivot 7 outside and the intermediate position department in the second pivot 17 outside all overlap and are equipped with belt axle 16, the outside cover of two sets of belt axles 16 is equipped with belt 8, the bottom of first pivot 7 extends to the inside of protection storehouse 9, the bottom of first pivot 7 is provided with half gear 11, intermeshing between half gear 11 and rack 12, the intermediate position department of 1 positive one end in first ejection of compact storehouse is provided with control panel 19, control panel 19 is connected with driving motor 6 electricity through.

In the embodiment, a motor bin is arranged at the outer side of the driving motor 6, silencing cotton is arranged at the inner side of the motor bin to reduce the noise generated by the operation of the driving motor 6, an impact ball is arranged at one side of the rack 12 close to the second discharging bin 14, the striking ball is made of rubber to prevent the rack 12 from being damaged, a limit block is arranged on one side of the rack 12 far away from the second discharging bin 14, the stop block and the spring 10 are fixedly connected with each other to prevent the spring 10 from falling off, the striker plate 3 is in an inverted V shape, the striker plate 3 is positioned right above the first bevel gear 2 and the second bevel gear 4, carry out the powder to the blanking, prevent simultaneously that the blanking from causing the influence to the meshing of first bevel gear 2 and second bevel gear 4, fixed connection between second pivot 17 and the fan-shaped rotor plate 15, sliding connection between second pivot 17 and the fan-shaped fixed plate 13 controls the blanking of tectorial membrane sand.

The working principle is as follows: firstly, the device is powered on, a control panel 19 is turned on, a driving motor 6 is turned on through the control panel 19, the driving motor 6 is powered on to work, the driving motor 6 drives a first rotating shaft 7 to rotate, the first rotating shaft 7 enables a second rotating shaft 17 to rotate through mutual matching between a belt shaft 16 and a belt 8, the second rotating shaft 17 drives two groups of first bevel gears 2 to rotate through a second bevel gear 4, the two groups of first bevel gears 2 drive stirring blades 5 to rotate at a high speed through two groups of third rotating shafts 18, and the rotating third rotating shafts 18 stir precoated sand to break up agglomerated precoated sand;

meanwhile, the rotation of the second rotating shaft 17 drives the fan-shaped rotating plate 15 to rotate, when the notch of the fan-shaped rotating plate 15 rotates to be overlapped with the notch on the fan-shaped fixing plate 13, the precoated sand can fall off from the notch, and when the notch of the fan-shaped rotating plate 15 rotates away from the notch of the fan-shaped fixing plate 13, the sealed precoated sand in the second discharging bin 14 cannot fall off, so that the intermittent blanking of the precoated sand is controlled;

when the unloading, first pivot 7 drives half gear 11 and rotates, first pivot 7 drives and moves rather than intermeshing's rack 12 towards the direction of keeping away from second ejection of compact storehouse 14, stretch the production elasticity to spring 10, when first pivot 7 changes to no tooth face, first pivot 7 and rack 12 remove the meshing state, make rack 12 strike the outside of second ejection of compact storehouse 14 fast under spring 10's effect, the vibrations that the striking produced shake to the tectorial membrane sand that adheres to on second ejection of compact storehouse 14 inner wall, promote the unloading.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a production of tectorial membrane sand is with hot sand discharging device, includes first ejection of compact storehouse (1), its characterized in that: the material baffle plate (3) is arranged at the middle position of the tops of two ends in the first discharging bin (1), third rotating shafts (18) are symmetrically arranged at the tops of two sides in the first discharging bin (1), stirring blades (5) are sleeved on the outer sides of two groups of the third rotating shafts (18), first bevel gears (2) are arranged on one sides, close to each other, of the two groups of the third rotating shafts (18), a second discharging bin (14) is arranged at the bottom of the first discharging bin (1), a fan-shaped fixing plate (13) is arranged at the top of one side in the second discharging bin (14), a second rotating shaft (17) is sleeved on one side of the top of the fan-shaped fixing plate (13), a second bevel gear (4) is arranged at the top of the second rotating shaft (17), a fan-shaped rotating plate (15) is arranged at the bottom of the outer side of the second rotating shaft (17), and a protection bin (9) is arranged at the middle position, close to one side of the fan, the protection bin (9) is sleeved with a rack (12) on one side far away from the second discharging bin (14), one side of the rack (12) on the outer side far away from the second discharging bin (14) is sleeved with a spring (10), four groups of driving motors (6) at the top of one side of the first discharging bin (1) are sleeved with belt shafts (16), two groups of belts (8) are sleeved on the outer sides of the belt shafts (16), the bottom of the first rotating shaft (7) extends to the inside of the protection bin (9), a half gear (11) is arranged at the bottom of the first rotating shaft (7), the half gear (11) and the rack (12) are mutually meshed, a control panel (19) is arranged at the middle position of the front end of the first discharging bin (1), the control panel (19) is electrically connected with the driving motor (6) through a lead.

2. The hot sand discharging device for precoated sand production according to claim 1, characterized in that: the outside of driving motor (6) is provided with the motor storehouse, and the inboard in motor storehouse is provided with the amortization cotton.

3. The hot sand discharging device for precoated sand production according to claim 1, characterized in that: and one side of the rack (12) close to the second discharging bin (14) is provided with an impact ball, and the impact ball is made of rubber.

4. The hot sand discharging device for precoated sand production according to claim 1, characterized in that: and a limiting block is arranged on one side, away from the second discharging bin (14), of the rack (12), and the limiting block and the spring (10) are fixedly connected with each other.

5. The hot sand discharging device for precoated sand production according to claim 1, characterized in that: the striker plate (3) is the style of calligraphy of falling V, and striker plate (3) are located directly over first bevel gear (2) and second bevel gear (4).

6. The hot sand discharging device for precoated sand production according to claim 1, characterized in that: and the second rotating shaft (17) is fixedly connected with the fan-shaped rotating plate (15), and the second rotating shaft (17) is slidably connected with the fan-shaped fixing plate (13).