Sand grinding machine capable of discharging sand uniformly

By introducing a screw conveyor and a rotating shaft gear system into the sand mill, combined with the design of the rotating drum, the problems of uneven material discharge and blockage are solved, achieving uniform material discharge and efficient feeding.

CN223848036UActive Publication Date: 2026-01-30LIAONING ANZHU CONSTR CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520397180.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-08
Publication Date
2026-01-30
Estimated Expiration
2035-03-08

AI Technical Summary

Technical Problem

Existing sand mills are prone to leaving material on the sealing plate during sand discharge, resulting in incomplete discharge, blockage of the sand outlet, and slow material discharge speed from the discharge pipe, which affects normal operation.

Method used

The system employs a batch feeding component combined with a screw conveyor. The screw conveyor is driven by a motor to rotate, achieving uniform material transport within the sand discharge shell. This is combined with a motor-driven shaft and gear system to drive the grinding rollers. The design of the rotating drum enables batch feeding and uniform discharge of materials.

Benefits of technology

It achieves uniform material discharge, avoids blockage of the sealing plate and discharge pipe, and improves the material feeding rate and the operating efficiency of the sand discharge machine.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223848036U_ABST
    Figure CN223848036U_ABST
Patent Text Reader

Abstract

The utility model provides a sand mill capable of discharging sand uniformly, and belongs to the technical field of sand mills. Comprising a sand grinding machine body, a sand discharging shell is arranged at the bottom of the sand grinding machine body, a spiral conveying rod is rotationally connected into the sand discharging shell and arranged in the length direction of the sand discharging shell, a first motor is fixedly installed on one side of the sand discharging shell, one end of the spiral conveying rod rotationally extends out of the sand discharging shell, and the other end of the spiral conveying rod rotationally extends out of the sand discharging shell. The first motor is connected with the spiral conveying rod, and a discharging opening is formed in the bottom of the sand discharging shell. According to the sand grinding machine capable of discharging the sand uniformly, the first motor drives the spiral conveying rod to rotate, materials are driven to be uniformly conveyed in the sand discharging shell, the materials are uniformly discharged from the discharging opening, and a user can take the materials conveniently; the first rotating shaft is driven by the second motor to rotate, the first rotating shaft is meshed with the second gear through the first gear to drive the second rotating shaft to rotate reversely, the first rotating shaft drives the first sand grinding roller to rotate, the second rotating shaft drives the second sand grinding roller to rotate reversely, and the first sand grinding roller and the second sand grinding roller grind materials.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to sand mill technical field, concretely relates to a sand mill that sand evenness comes out. BACKGROUND

[0002] Chinese patent, application number 202221213972.5 discloses a sand mill that sand evenness comes out, can even come out through sand structure, and can be blocked to the discharge pipe when not discharging through the sealing plate, prevent material loss, avoid material waste, can be stirred through the anti -adhesion structure, prevent the adhesion between the material in the tank,

[0003] But the device when discharging sand, it is easy to cause part of material to stay on the sealing plate, cause the incomplete discharge, and cause the sand outlet to cause the blockage, it is inconvenient for the normal operation of sand mill, and the device is provided with an auger in the discharge pipe, the discharging speed in the discharge pipe is slow, most of the material is blocked above the discharge pipe, and the discharging rate is affected. UTILITY MODEL CONTENT

[0004] In order to solve the problem of uniform discharge in the prior art, the utility model provides a sand mill that sand evenness comes out, which adopts batch discharging component combined with spiral conveying rod to achieve uniform discharging effect, and the specific technical scheme is as follows: a sand mill that sand evenness comes out, comprising: a sand mill body, a sand shell is arranged at the bottom of the sand mill body, a spiral conveying rod is rotatably connected in the sand shell, the spiral conveying rod is arranged along the length direction of the sand shell, a motor one is fixedly installed on one side of the sand shell, one end of the spiral conveying rod extends out of the sand shell, the motor one is connected with the spiral conveying rod, a discharge port is opened at the bottom of the sand shell, a feed inlet is arranged at the connection between the sand mill body and the sand shell, and the discharge port is located away from the feed inlet.

[0005] Preferably, a feed hopper is arranged at the top of the sand mill body, and support columns are fixedly installed at the bottom of the sand mill body.

[0006] Preferably, shafts one and two are symmetrically rotatably connected in the sand mill body, a sand roller one is fixedly sleeved on the outer wall of the shaft one, a sand roller two is fixedly sleeved on the outer wall of the shaft two, and the sand roller one is matched with the sand roller two.

[0007] Preferably, one end of the rotating shaft one and the rotating shaft two extends out of the sand mill main body, a protective shell is fixedly installed on the outer wall of the sand mill main body, one end of the rotating shaft one and the rotating shaft two is rotatably connected to the inner wall of the protective shell, a gear one is fixedly sleeved on one end of the rotating shaft one, a gear two is fixedly sleeved on one end of the rotating shaft two, the gear one is engaged with the gear two, and the gear one and the gear two are located in the protective shell.

[0008] Preferably, a motor two is fixedly installed on one side of the protective shell, an output shaft one is installed at the output end of the motor two, a synchronous wheel one is fixedly sleeved on the end, away from the motor two, of the output shaft one, one end of the rotating shaft one extends out of the protective shell, a synchronous wheel two is fixedly sleeved on one end of the rotating shaft one, and a synchronous belt one is engaged between the synchronous wheel one and the synchronous wheel two.

[0009] Preferably, a rotating shaft three is rotatably connected in the sand mill main body, a rotating drum is fixedly sleeved on the outer wall of the rotating shaft three, and the rotating drum is located directly below the connecting position of the sand rolling roller one and the sand rolling roller two; a plurality of grooves are equidistantly formed in the arc surface of the rotating drum, and the rotating drum is located directly above the feeding port.

[0010] Preferably, a supporting plate is fixedly installed on the outer wall of the sand mill main body, a motor three is fixedly installed on the top of the supporting plate, an output shaft two is installed at the output end of the motor three, a synchronous wheel three is fixedly sleeved on the end, away from the motor three, of the output shaft two, one end of the rotating shaft three extends out of the sand mill main body, a synchronous wheel four is fixedly sleeved on one end of the rotating shaft three, and a synchronous belt two is engaged between the synchronous wheel three and the synchronous wheel four.

[0011] In addition, the sand mill with uniform sand output in the above technical solution can further have the following features: rotating plates and mounting frames are arranged on the inner walls of the two sides of the feeding hopper, the mounting frame is located below the rotating plate, the rotating plate is rotatably connected to the inner wall of the feeding hopper, a sliding rod is slidably connected in the mounting frame, one end of the sliding rod slidably extends into the mounting frame, an inner sliding plate is fixedly installed on one end of the sliding rod, the inner sliding plate is slidably connected to the inner wall of the mounting frame, springs are welded between the inner sliding plate and the inner wall of the mounting frame, one end, away from the inner sliding plate, of the sliding rod extends out of the mounting frame, and a supporting block is fixedly installed on one end, away from the inner sliding plate, of the sliding rod.

[0012] In the above technical solution, the supporting block is attached to the rotating plate.

[0013] Compared with the prior art, the sand mill with uniform sand output has the following beneficial effects:

[0014] 1. The sand even out of the sand mill, motor one drives screw conveyor rod rotation, with material evenly in the sand shell transport, make material evenly from the discharge port discharge, convenient for the user to take material;

[0015] 2. The sand even out of the sand mill, motor two drive shaft one rotation, shaft one through gear one meshing gear two, drive shaft two reverse rotation, shaft one drive sand roller one rotation, shaft two drive sand roller two reverse rotation, make sand roller one and sand roller two to material;

[0016] 3. The sand even out of the sand mill, material falls into the slot, and then through motor three drive shaft three rotation, make shaft three drive rotary drum rotation, make the material in the slot batch downward transportation, avoid a large amount of material together with the discharge, cause the blockage of the feed inlet. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a sand even out of the sand mill's three -dimensional structure schematic diagram;

[0018] Figure 2 The utility model provides a sand even out of the sand mill's main view first cross section schematic diagram;

[0019] Figure 3 The utility model provides a sand even out of the sand mill's main view second cross section schematic diagram;

[0020] Figure 4 For Figure 3 The utility model discloses an enlarged view of A place of

[0021] Among them, Figures 1 to 4 The reference signs and component names in the drawing are: 1, sand mill main body, 2, sand shell, 3, screw conveyor rod, 4, motor one, 5, discharge port, 6, feed inlet, 7, feed hopper, 8, support column, 9, shaft one, 10, shaft two, 11, sand roller one, 12, sand roller two, 13, gear one, 14, gear two, 15, protective shell, 16, motor two, 17, output shaft one, 18, synchronous pulley one, 19, synchronous pulley two, 20, synchronous belt one, 21, shaft three, 22, rotary drum, 23, slot, 24, support plate, 25, motor three, 26, output shaft two, 27, synchronous pulley three, 28, synchronous pulley four, 29, synchronous belt two, 30, rotating plate, 31, mounting frame, 32, slide rod, 33, inner slide plate, 34, support block, 35, spring. DETAILED DESCRIPTION

[0022] The following will be combined with specific implementation case and attached Figures 1-4The present invention will be further described, but it is not limited to these embodiments. The present invention provides a technical solution: a sand mill with uniform sand output, comprising: a sand mill body 1, a sand discharge shell 2 fixedly installed at the bottom of the sand mill body 1, the sand discharge shell 2 having an L-shaped structure, a spiral conveying rod 3 rotatably connected inside the sand discharge shell 2, the spiral conveying rod 3 being arranged along the length direction of the sand discharge shell 2, a motor 4 fixedly installed on one side of the sand discharge shell 2, one end of the spiral conveying rod 3 rotatably extending out of the sand discharge shell 2, the motor 4 being connected to the spiral conveying rod 3, a discharge port 5 opening at the bottom of the sand discharge shell 2, a feed port 6 opening at the connection between the sand mill body 1 and the sand discharge shell 2, and the discharge port 5 being located on the side away from the feed port 6.

[0023] As a preferred option, the top of the main body 1 of the sand mill is provided with a feed hopper 7, and the four corners of the bottom of the main body 1 of the sand mill are fixedly installed with support columns 8. The support columns 8 are used to lift the sand shell 2 so that the discharge port 5 is high enough from the ground, making it convenient for the user to collect materials from the discharge port 5.

[0024] As a preferred embodiment, the main body 1 of the sand mill is further equipped with a symmetrical rotating shaft 9 and a rotating shaft 10, which are arranged in parallel. A sand milling roller 11 is fixedly mounted on the outer wall of the rotating shaft 9, and a sand milling roller 12 is fixedly mounted on the outer wall of the rotating shaft 10. The sand milling roller 11 and the sand milling roller 12 are compatible with each other and are located directly below the feed hopper 7.

[0025] As a preferred embodiment, further, one end of both the first shaft 9 and the second shaft 10 extends rotatably out of the main body 1 of the sand mill. A protective shell 15 is fixedly installed on the outer wall of the main body 1 of the sand mill. The protective shell 15 is fixedly installed on the outer wall of the main body 1 of the sand mill by bolts. One end of both the first shaft 9 and the second shaft 10 can be rotatably connected to the inner wall of the protective shell 15. One end of the first shaft 9 is fixedly fitted with a gear 13, and one end of the second shaft 10 is fixedly fitted with a gear 14. The gear 13 and the gear 14 mesh with each other, and both the gear 13 and the gear 14 are located inside the protective shell 15.

[0026] As a preferred embodiment, a second motor 16 is fixedly installed on one side of the protective shell 15. An output shaft 17 is installed at the output end of the second motor 16. A synchronous pulley 18 is fixedly fitted at the end of the output shaft 17 away from the second motor 16. One end of the rotating shaft 9 extends rotatably out of the protective shell 15. A synchronous pulley 19 is fixedly fitted at the other end of the rotating shaft 9. A synchronous belt 20 meshes between the synchronous pulley 18 and the synchronous pulley 19. The second motor 16 drives the rotating shaft 9 to rotate. The rotating shaft 9 drives the rotating shaft 10 to rotate in the opposite direction through the meshing of gear 13 and gear 14.

[0027] As a preferred, further, the sand mill body 1 is rotatably connected with the rotating shaft three 21, the outer wall of the rotating shaft three 21 is fixedly sleeved with the rotating drum 22, and the rotating drum 22 is located directly below the connecting position of the sand roller one 11 and the sand roller two 12; eight slots 23 are equidistantly formed on the arc surface of the rotating drum 22, and the rotating drum 22 is located directly above the feeding port 6.

[0028] As a preferred, further, the outer wall of the sand mill body 1 is fixedly installed with the supporting plate 24, the top of the supporting plate 24 is fixedly installed with the motor three 25, the output end of the motor three 25 is installed with the output shaft two 26, the end, away from the motor three 25, of the output shaft two 26 is fixedly sleeved with the synchronous wheel three 27, one end of the rotating shaft three 21 rotatably extends out of the sand mill body 1, the one end of the rotating shaft three 21 is fixedly sleeved with the synchronous wheel four 28, and the synchronous belt two 29 is engaged between the synchronous wheel three 27 and the synchronous wheel four 28; the motor three 25 drives the rotating shaft three 21 to rotate, so that the rotating drum 22 rotates, the position of the slot 23 changes constantly, the slot 23 filled with materials rotates downward, the materials are discharged in batches, and blockage is avoided.

[0029] As a preferred, further, the inner walls on both sides of the feeding hopper 7 are provided with the rotating plate 30 and the mounting frame 31, the mounting frame 31 is located below the rotating plate 30, the rotating plate 30 is rotatably connected with the inner wall of the feeding hopper 7, the mounting frame 31 is slidably connected with the sliding rod 32, one end of the sliding rod 32 slidably extends into the mounting frame 31, the one end of the sliding rod 32 is fixedly installed with the inner sliding plate 33, the inner sliding plate 33 is slidably connected with the inner wall of the mounting frame 31, the spring 35 is welded between the inner sliding plate 33 and the inner wall of the mounting frame 31, the end, away from the inner sliding plate 33, of the sliding rod 32 extends out of the mounting frame 31, the end, away from the inner sliding plate 33, of the sliding rod 32 is fixedly installed with the supporting block 34, and the supporting block 34 is attached to the rotating plate 30; the materials entering the feeding hopper 7 fall between the sand roller one 11 and the sand roller two 12 through the rotating plate 30, and the materials are prevented from falling into other positions when being put in.

[0030] The sand roller one, the sand roller two, the motor one, the motor two, the motor three and the spiral conveying rod in the case are prior art, the motor one, the motor two and the motor three are the same structure and connection mode in the cited document, as long as the sand roller one, the sand roller two, the motor one, the motor two, the motor three and the spiral conveying rod meet the requirements of the case, and they are not limited to a single type.

[0031] Working principle: the electric appliance element appearing in the application is externally connected with power supply and control switch during use, after the utility model is installed, firstly, the installation and fixation of the utility model and safety protection are checked, and then it can be used; during use, the worker puts the raw material into the sand mill main body 1 through the feeding hopper 7, starts the motor one 4, the motor two 16 and the motor three 25, the motor two 16 drives the output shaft one 17 to rotate, the output shaft one 17 drives the synchronous pulley one 18 to rotate, the synchronous pulley one 18 drives the synchronous pulley two 19 to rotate through the synchronous belt one 20, the synchronous pulley two 19 drives the rotating shaft one 9 to rotate, the rotating shaft one 9 is engaged with the gear one 13 and the gear two 14, drives the rotating shaft two 10 to rotate reversely, the rotating shaft one 9 drives the sand roller one 11 to rotate, the rotating shaft two 10 drives the sand roller two 12 to rotate, so that the sand roller one 11 and the sand roller two 12 crush the raw material, the crushed material falls into the slot 23; then the motor three 25 drives the output shaft two 26 to rotate, the output shaft two 26 drives the synchronous pulley three 27 to rotate, the synchronous pulley three 27 drives the synchronous pulley four 28 to rotate through the synchronous belt two 29, the synchronous pulley four 28 drives the rotating shaft three 21 to rotate, the rotating shaft three 21 drives the rotary drum 22 to rotate, so that the slot 23 filled with material rotates downward, achieves the effect of batch discharging, avoids the blockage; the material enters the sand shell 2 from the feeding port 6, the motor one 4 drives the spiral conveying rod 3 to rotate, so that the material is transported in the sand shell 2, and the material is uniformly discharged from the discharge port 5.

[0032] In the description of the utility model, the term "a plurality of" refers to two or more than two, unless otherwise expressly limited, the terms "upper", "lower" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model; the terms "connection", "installation", "fixation" and the like should be understood broadly, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sand miller with uniform sand production, comprising: The application discloses a sand mill main body (1), which is characterized in that the bottom of the sand mill main body (1) is provided with a sand outlet shell (2), a spiral conveying rod (3) is rotationally connected in the sand outlet shell (2), the spiral conveying rod (3) is arranged along the length direction of the sand outlet shell (2), a motor one (4) is fixedly installed on one side of the sand outlet shell (2), one end of the spiral conveying rod (3) rotationally extends out of the sand outlet shell (2), the motor one (4) is connected with the spiral conveying rod (3), a discharge port (5) is formed in the bottom of the sand outlet shell (2), a feeding port (6) is formed in the connection position of the sand mill main body (1) and the sand outlet shell (2), and the discharge port (5) is located on the side away from the feeding port (6).

2. The sand mill of claim 1, wherein, The top of the sand mill main body (1) is provided with a feeding hopper (7), and the bottom of the sand mill main body (1) is fixedly provided with supporting columns (8) at four corners.

3. The sand mill of claim 1, wherein, One end of the rotating shaft one (9) and the rotating shaft two (10) rotationally extends out of the sand mill main body (1), a protective shell (15) is fixedly installed on the outer wall of the sand mill main body (1), one end of the rotating shaft one (9) and the rotating shaft two (10) can be rotationally connected to the inner wall of the protective shell (15), a gear one (13) is fixedly sleeved on one end of the rotating shaft one (9), a gear two (14) is fixedly sleeved on one end of the rotating shaft two (10), the gear one (13) is engaged with the gear two (14), and the gear one (13) and the gear two (14) are located in the protective shell (15).

4. The sand mill of claim 3, wherein, One side of the protective shell (15) is fixedly provided with a motor two (16), an output shaft one (17) is installed at the output end of the motor two (16), a synchronous wheel one (18) is fixedly sleeved on the end, away from the motor two (16), of the output shaft one (17), one end of the rotating shaft one (9) rotationally extends out of the protective shell (15), a synchronous wheel two (19) is fixedly sleeved on one end of the rotating shaft one (9), and the synchronous wheel one (18) and the synchronous wheel two (19) are engaged with a synchronous belt one (20).

5. The sand mill of claim 4, wherein, The outer wall of the sand mill body (1) is fixedly installed with a support plate (24), the top of the support plate (24) is fixedly installed with a motor three (25), the output end of the motor three (25) is installed with an output shaft two (26), the end of the output shaft two (26) away from the motor three (25) is fixedly sleeved with a synchronous wheel three (27), one end of the rotating shaft three (21) extends out of the sand mill body (1), one end of the rotating shaft three (21) is fixedly sleeved with a synchronous wheel four (28), and the synchronous belt two (29) is engaged between the synchronous wheel three (27) and the synchronous wheel four (28).

6. The sand mill of claim 2, wherein, Both sides of the feeding hopper (7) are provided with a rotating plate (30) and a mounting frame (31), the mounting frame (31) is located below the rotating plate (30), the rotating plate (30) is rotatably connected with the inner wall of the feeding hopper (7), the mounting frame (31) is slidably connected with a sliding rod (32), one end of the sliding rod (32) slidably extends into the mounting frame (31), one end of the sliding rod (32) is fixedly installed with an inner sliding plate (33), the inner sliding plate (33) is slidably connected with the inner wall of the mounting frame (31), the spring (35) is welded between the inner sliding plate (33) and the inner wall of the mounting frame (31), the end of the sliding rod (32) away from the inner sliding plate (33) extends out of the mounting frame (31), the end of the sliding rod (32) away from the inner sliding plate (33) is fixedly installed with a support block (34), and the support block (34) is attached to the rotating plate (30).

Citation Information

Patent Citations

  • Sand grinding machine capable of discharging sand uniformly

    CN217570748U