Flour mill with good grinding effect

By designing a multi-gear and motor-driven grinding mechanism, the reverse rotation between the grinding disc and the grinding cylinder is achieved, and combined with the screening mechanism, the problem of poor results of existing grinding machines when grinding materials with large volumes is solved, and the grinding efficiency and material quality are improved.

CN222753415UActive Publication Date: 2025-04-15XINCHANG ZHONGBANG POWDER COATINGS TECH CO LTD
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Patent Information

Application Number
CN202421391914.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-15
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

When existing grinders grind materials with larger volumes, the effect is poor, resulting in insufficient grinding and reducing grinding efficiency.

Method used

A grinder including a grinding mechanism and a screening mechanism is designed. The grinding mechanism uses multiple gears and motor-driven hollow tubes and connecting rods to realize reverse rotation between the grinding disc and the grinding cylinder, improving grinding efficiency. The screening mechanism uses a motor-driven cam and connecting spring to realize the reciprocating movement of the screen and removes unqualified materials.

Benefits of technology

The grinder can more effectively grind materials with larger volumes, prevent insufficient grinding, improve grinding efficiency, and ensure material quality through the screening mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flour mill with good grinding effect in the field of flour mills, which comprises a shell, supporting columns and a feeding port, the supporting columns are fixedly connected to the four corners of the bottom of the shell, the feeding port is formed in the left side of the top of the shell in a penetrating manner, the interior of the shell is connected with a flour milling mechanism, and the flour milling mechanism is connected with the bottom of the shell. According to the flour mill with the good grinding effect, a first motor is started to drive a driving bevel gear to rotate, so that an upper driven bevel gear and a lower driven bevel gear are opposite in rotating direction, a hollow pipe and a connecting rod are opposite in rotating direction, the hollow pipe rotates to drive a grinding disc and a crushing cutter to rotate, and the connecting rod rotates to drive a grinding cylinder to rotate; bulk materials are crushed through the crushing cutters, the size is fully reduced, follow-up grinding is facilitated, insufficient grinding is prevented, the grinding effect is better, the grinding speed of the materials is higher through reverse rotation between the grinding disc and the grinding cylinder, and the grinding efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding mills, in particular to a grinding mill with good grinding effect. Background Art

[0002] Grinding mills are widely used in the grinding of mineral materials in the fields of metallurgy, building materials, chemical industry, mining, etc. According to the fineness of the material to be ground and the fineness of the discharged material, grinding mills can be divided into six types: vertical swing grinding mill, high-pressure suspension roller grinding mill, high-pressure micro powder grinding mill, straight-through centrifugal grinding mill, overpressure trapezoidal grinding mill, and three-ring medium-speed grinding mill.

[0003] At present, when grinding, the material is usually directly put into the compact grinding mill for grinding, and the general grinding mill only rotates the grinding disk, which will cause some larger materials to be insufficiently ground, resulting in poor grinding effect and reduced grinding efficiency. For this reason, we propose a grinding mill with good grinding effect. Utility Model Content

[0004] The utility model aims to provide a grinding mill with good grinding effect, so as to solve the problem in the background technology mentioned above that the current grinding mill will not grind some larger materials sufficiently during grinding, resulting in poor grinding effect and reduced grinding efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding machine with good grinding effect, comprising a shell, a support column and a feeding port, wherein the support column is fixedly connected to the four corners of the bottom edge of the shell, the feeding port is opened through the left side of the top of the shell, and the inside of the shell is connected with a grinding mechanism, and the grinding mechanism includes a bearing ring, a grinding cylinder, a discharge port, a connecting rod, a hollow tube, a grinding disc, a crushing knife, a driven bevel gear, a first motor and a driving bevel gear, the top and bottom of the inner cavity side wall of the shell are fixedly connected with a bearing ring, and the inner wall of the bearing ring A grinding cylinder is fixedly connected, and a discharge port is evenly penetrated through the bottom of the grinding cylinder, a connecting rod is fixedly connected to the middle of the inner bottom of the grinding cylinder, a hollow tube is rotatably connected to the middle of the top of the shell through a bearing, a grinding disk is fixedly connected to the bottom of the outer wall of the hollow tube, a crushing knife is evenly fixedly connected to the top of the outer wall of the hollow tube, a driven bevel gear is fixedly connected to the top of the hollow tube and the top of the outer wall of the connecting rod, a first motor is fixedly connected to the middle of the top right side of the shell, and an active bevel gear is fixedly connected to the end of the output shaft of the first motor.

[0006] As a further description of the above technical solution:

[0007] The connecting rod is rotatably connected to the inside of the hollow tube, and the input end of the first motor is electrically connected to the output end of an external power source.

[0008] As a further description of the above technical solution:

[0009] The bottom of the inner wall of the grinding cylinder and the bottom of the outer wall of the grinding disc are both provided with grinding protrusions.

[0010] As a further description of the above technical solution:

[0011] The outer side edge of the driving bevel gear is meshed and connected with the outer side edge of the driven bevel gear through tooth patterns.

[0012] As a further description of the above technical solution:

[0013] A screening mechanism is connected to the inner side of the support column, and the screening mechanism includes a fixed plate, a sliding rod, a slider, a screen, a connecting spring, a force block, an L-shaped plate, a second motor and a cam. A fixed plate is fixedly connected to the middle parts of the opposite sides of the front and rear support columns, and a sliding rod is fixedly connected to the front and rear parts of the opposite sides of the left and right fixed plates, the outer side wall of the sliding rod is slidably connected to the slider, and the opposite sides of the front and rear sliders are fixedly connected to the screen, the left and right parts of the outer side wall of the sliding rod are sleeved with connecting springs, the middle part of the right side of the screen is fixedly connected to the force block, the middle part of the bottom of the right fixed plate is fixedly connected to the L-shaped plate, the middle part of the top left side of the L-shaped plate is fixedly connected to the second motor, and the end of the output shaft of the second motor is fixedly connected to the cam.

[0014] As a further description of the above technical solution:

[0015] Two ends of the connection spring are fixedly connected to the fixing plate and the opposite sides of the sliding block respectively, and the input end of the second motor is electrically connected to the output end of the external power supply.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The grinding mill with good grinding effect starts the first motor to drive the active bevel gear to rotate, so that the upper and lower driven bevel gears rotate in opposite directions, thereby making the hollow tube and the connecting rod rotate in opposite directions. The rotation of the hollow tube drives the grinding disc and the crushing knife to rotate, and the rotation of the connecting rod drives the grinding cylinder to rotate. The crushing knife is used to crush large pieces of material to fully reduce the volume, facilitate subsequent grinding, prevent insufficient grinding, and achieve better grinding effect. The reverse rotation between the grinding disc and the grinding cylinder can make the material grinding speed faster and improve the grinding efficiency.

[0018] 2. The grinding mill with good grinding effect drives the cam to rotate through the rotation of the second motor. When the cam squeezes the force block, the screen drives the slider to move left, causing the connecting spring to deform. When the cam is separated from the force block, the slider drives the screen to reset through the reset of the connecting spring, so that the screen moves back and forth left and right, screens the ground material, removes unqualified material, ensures the quality of the material, and improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a grinding machine with good grinding effect proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a grinding mechanism of a grinding machine with good grinding effect proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the screening mechanism structure of a grinding mill with good grinding effect proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the main sectional structure of a grinding machine with good grinding effect proposed by the utility model.

[0023] In the figure: 100, housing; 200, support column; 300, feeding port; 400, grinding mechanism; 410, bearing ring; 420, grinding cylinder; 421, discharge port; 430, connecting rod; 440, hollow tube; 450, grinding disc; 460, crushing knife; 470, driven bevel gear; 480, first motor; 490, driving bevel gear; 500, screening mechanism; 510, fixed plate; 520, sliding rod; 530, sliding block; 540, screen; 550, connecting spring; 560, force block; 570, L-shaped plate; 580, second motor; 590, cam. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a grinding machine with good grinding effect, which fully reduces the volume, facilitates subsequent grinding, prevents insufficient grinding, makes the grinding effect better, makes the material grinding speed faster, and improves the grinding efficiency. Figure 1-4 , comprising a housing 100, a support column 200 and a feeding port 300;

[0028] Please refer again Figure 1 The housing 100 is used to install a support column 200 and a feeding port 300;

[0029] Please refer again Figure 1 The support column 200 is fixedly connected to the four corners of the bottom of the shell 100 for supporting the device. The feeding port 300 is opened through the top left side of the shell 100 for feeding. The inside of the shell 100 is connected with a grinding mechanism 400.

[0030] Please refer again Figure 2 The grinding mechanism 400 includes a bearing ring 410, a grinding cylinder 420, a discharge port 421, a connecting rod 430, a hollow tube 440, a grinding disc 450, a crushing knife 460, a driven bevel gear 470, a first motor 480 and a driving bevel gear 490;

[0031] Please refer again Figure 2The top and bottom of the inner cavity side wall of the housing 100 are fixedly connected with a bearing ring 410, the inner side wall of the bearing ring 410 is fixedly connected with a grinding cylinder 420, the bottom of the grinding cylinder 420 is evenly penetrated with a discharge port 421, the middle of the inner bottom of the grinding cylinder 420 is fixedly connected with a connecting rod 430, and the middle of the top of the housing 100 is rotatably connected with a hollow tube 440 through a bearing;

[0032] Please refer again Figure 2 A grinding disc 450 is fixedly connected to the bottom of the outer wall of the hollow tube 440, a crushing knife 460 is evenly fixedly connected to the top of the outer wall of the hollow tube 440, a driven bevel gear 470 is fixedly connected to the top of the hollow tube 440 and the top of the outer wall of the connecting rod 430, a first motor 480 is fixedly connected to the middle of the top right side of the housing 100, and an active bevel gear 490 is fixedly connected to the end of the output shaft of the first motor 480.

[0033] To summarize, by starting the first motor 480, the active bevel gear 490 is driven to rotate, so that the upper and lower driven bevel gears 470 turn in opposite directions, thereby making the hollow tube 440 and the connecting rod 430 turn in opposite directions. The rotation of the hollow tube 440 drives the grinding disc 450 and the crushing knife 460 to rotate, and the rotation of the connecting rod 430 drives the grinding cylinder 420 to rotate. The crushing knife 460 is used to crush large pieces of material to fully reduce the volume, facilitate subsequent grinding, prevent insufficient grinding, and achieve better grinding effect. The reverse rotation between the grinding disc 450 and the grinding cylinder 420 can make the material grinding speed faster and improve the grinding efficiency.

[0034] Please refer again Figure 2 The connecting rod 430 is rotatably connected to the inside of the hollow tube 440, and the input end of the first motor 480 is electrically connected to the output end of the external power supply.

[0035] Please refer again Figure 2 The bottom of the inner wall of the grinding cylinder 420 and the bottom of the outer wall of the grinding disc 450 are both provided with grinding protrusions.

[0036] Please refer again Figure 2 The outer edge of the active bevel gear 490 is meshed and connected with the outer edge of the driven bevel gear 470 through the tooth pattern.

[0037] Please refer again Figure 3The inner side of the support column 200 is connected with a screening mechanism 500, and the screening mechanism 500 includes a fixed plate 510, a slide bar 520, a slider 530, a screen 540, a connecting spring 550, a force block 560, an L-shaped plate 570, a second motor 580 and a cam 590. The middle part of the opposite sides of the front and rear support columns 200 is fixedly connected with a fixed plate 510, and the front and rear parts of the opposite sides of the left and right fixed plates 510 are fixedly connected with a slide bar 520. The outer side of the slide bar 520 The wall is slidably connected to a slider 530, and a screen 540 is fixedly connected to the opposite sides of the sliders 530 at the front and rear ends. Connecting springs 550 are sleeved on the left and right parts of the outer wall of the slide rod 520, and a force block 560 is fixedly connected to the middle of the right side of the screen 540. An L-shaped plate 570 is fixedly connected to the middle of the bottom of the right fixed plate 510, and a second motor 580 is fixedly connected to the middle of the top left side of the L-shaped plate 570, and a cam 590 is fixedly connected to the end of the output shaft of the second motor 580.

[0038] Please refer again Figure 3 , both ends of the connecting spring 550 are fixedly connected to the opposite sides of the fixing plate 510 and the slider 530 respectively, and the input end of the second motor 580 is electrically connected to the output end of the external power supply.

[0039] To summarize, the rotation of the second motor 580 drives the cam 590 to rotate. When the cam 590 squeezes the force block 560, the screen 540 drives the slider 530 to move left, causing the connecting spring 550 to deform. When the cam 590 is separated from the force block 560, the slider 530 drives the screen 540 to reset through the resetting of the connecting spring 550, so that the screen 540 moves back and forth left and right, screens the ground material, removes unqualified material, ensures the quality of the material, and improves the practicability of the device.

[0040] In specific use, the technical personnel in this field start the first motor 480 and the second motor 580, and feed the material into the grinding cylinder 420 through the feeding port 300. The first motor 480 is started to drive the active bevel gear 490 to rotate, so that the upper and lower driven bevel gears 470 rotate in opposite directions, so that the hollow tube 440 and the connecting rod 430 rotate in opposite directions. The rotation of the hollow tube 440 drives the grinding disc 450 and the crushing knife 460 to rotate, and the rotation of the connecting rod 430 drives the grinding cylinder 420 to rotate, and the crushing knife 460 is used to crush the large pieces of material. The crushed material enters the grinding cylinder 420 and the grinding disc 450. 0, the grinding cylinder 420 and the grinding disc 450 rotate in opposite directions to grind the material quickly, the ground material is discharged from the discharge port 421, falls on the screen 540, and is driven to rotate by the rotation of the second motor 580. When the cam 590 squeezes the force block 560, the screen 540 drives the slider 530 to move left, causing the connecting spring 550 to deform. When the cam 590 is separated from the force block 560, the slider 530 drives the screen 540 to reset by resetting the connecting spring 550, so that the screen 540 moves back and forth left and right, the ground material is screened, and unqualified materials are removed.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A grinding machine with good grinding effect, characterized in that: The invention comprises a shell (100), a support column (200) and a feeding port (300), wherein the support column (200) is fixedly connected to the four corners of the bottom of the shell (100), the feeding port (300) is opened through the left side of the top of the shell (100), the inside of the shell (100) is connected with a grinding mechanism (400), and the grinding mechanism (400) comprises a bearing ring (410), a grinding cylinder (420), a discharge port (421), a connecting rod (430), a hollow tube (440), a grinding disc (450), a crushing knife (460), a driven bevel gear (470), a first motor (480) and a driving bevel gear (490), the top and bottom of the inner cavity side wall of the shell (100) are fixedly connected with the bearing ring (410), and the inner side wall of the bearing ring (410) is fixedly connected A grinding cylinder (420) is provided, wherein a discharge port (421) is uniformly penetrated through the bottom of the grinding cylinder (420), a connecting rod (430) is fixedly connected to the middle of the inner bottom of the grinding cylinder (420), a hollow tube (440) is rotatably connected to the middle of the top of the housing (100) through a bearing, a grinding disc (450) is fixedly connected to the bottom of the outer wall of the hollow tube (440), a crushing knife (460) is uniformly fixedly connected to the top of the outer wall of the hollow tube (440), a driven bevel gear (470) is fixedly connected to the top of the hollow tube (440) and the top of the outer wall of the connecting rod (430), a first motor (480) is fixedly connected to the middle of the right side of the top of the housing (100), and a driving bevel gear (490) is fixedly connected to the end of the output shaft of the first motor (480).

2. A mill with good grinding effect according to claim 1, characterized in that: The connecting rod (430) is rotatably connected to the inside of the hollow tube (440), and the input end of the first motor (480) is electrically connected to the output end of an external power source.

3. A mill with good grinding effect according to claim 1, characterized in that: The bottom of the inner wall of the grinding cylinder (420) and the bottom of the outer wall of the grinding disc (450) are both provided with grinding protrusions.

4. A mill with good grinding effect according to claim 1, characterized in that: The outer edge of the active bevel gear (490) is meshedly connected with the outer edge of the driven bevel gear (470) via tooth patterns.

5. A mill with good grinding effect according to claim 1, characterized in that: The inner side of the support column (200) is connected to a screening mechanism (500), and the screening mechanism (500) comprises a fixed plate (510), a slide bar (520), a slider (530), a screen (540), a connecting spring (550), a force block (560), an L-shaped plate (570), a second motor (580) and a cam (590). The middle part of the opposite sides of the front and rear support columns (200) is fixedly connected to the fixed plate (510), and the front and rear parts of the opposite sides of the left and right fixed plates (510) are fixedly connected to the slide bar (520). The outer wall is slidably connected to a slider (530), and the opposite sides of the slider (530) at the front and rear parts are fixedly connected to a screen (540), the left and right parts of the outer wall of the slide rod (520) are sleeved with connecting springs (550), the middle part of the right side of the screen (540) is fixedly connected to a force block (560), the middle part of the bottom of the right fixed plate (510) is fixedly connected to an L-shaped plate (570), the middle part of the top left side of the L-shaped plate (570) is fixedly connected to a second motor (580), and the end of the output shaft of the second motor (580) is fixedly connected to a cam (590).

6. A mill with good grinding effect according to claim 5, characterized in that: The two ends of the connection spring (550) are fixedly connected to the fixed plate (510) and the opposite sides of the slider (530), respectively, and the input end of the second motor (580) is electrically connected to the output end of the external power supply.