Grinding machine with adjustable grinding roller spacing

Abstract

The utility model discloses a milling roller spacing adjustable mill which comprises a machine body, the top end of the machine body is communicated with a feeding hopper, two U-shaped frames located below the feeding hopper are arranged in the machine body, the opposite sides of the two U-shaped frames are rotationally connected with milling rollers, one sides of the two U-shaped frames are fixedly provided with first driving motors fixed to the milling rollers, and the other sides of the two U-shaped frames are fixedly provided with second driving motors fixed to the milling rollers. According to the grinding machine with the grinding roller spacing adjustable, a second driving motor drives a lead screw to rotate, namely, a second sliding block can be driven to move up and down, the second sliding block drives a moving plate to move up and down, and therefore two adjusting rods are driven to move in the opposite directions; the two adjusting rods drive the two first sliding blocks to move reversely, that is, the two U-shaped frames are driven to move reversely, so that the two grinding rollers are driven to move reversely, the distance between the two grinding rollers is adjusted, grains can be ground to different degrees conveniently, sufficient grinding of the grains is facilitated, and the grinding effect of the grains is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a grinding machine with adjustable grinding roller spacing. Background Art

[0002] A grinding mill is an industrial equipment widely used in the fine or rough selection of various ores such as metallurgy, iron selection, molybdenum selection, antimony selection, silver selection, lead selection, etc. In the processing of grain beverages, the grains need to be ground by a grinding mill to facilitate the processing and production of grains.

[0003] In the prior art, when the mill is in use, the spacing between the mill's grinding rollers is mostly not adjustable, so that when grinding grains, the degree of grinding of the grains is consistent. If the grains need to be ground more finely, other mills need to be replaced for grinding, which is not convenient for fully grinding the grains and reduces the grinding effect of the grains. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a grinding machine with adjustable grinding roller spacing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a grinding machine with adjustable grinding roller spacing, comprising: a machine body, the top of the machine body is connected to a feed hopper, two U-shaped frames are arranged inside the machine body and are located below the feed hopper, grinding rollers are rotatably connected to opposite sides of the two U-shaped frames, a first drive motor fixed to the grinding roller is fixed to one side of the two U-shaped frames, the U-shaped frames are connected to the machine body through a sliding assembly, and an adjustment assembly for driving the sliding assembly to move is arranged on one side of the machine body.

[0006] In one example, the sliding assembly includes first sliding blocks fixedly arranged on both sides of the U-shaped frame, and first sliding grooves for sliding of the first sliding blocks are provided on both sides of the inner wall of the machine body.

[0007] In one example, the adjustment component includes adjustment rods respectively hingedly arranged on one side of two adjacent first sliders, a movable plate hinged to the adjustment rod is slidably provided on one side of the body, a second slider is fixed to one side of the movable plate, a second sliding groove for the second slider to slide is opened on one side of the body, a screw rod threadedly connected to the second slider is rotatably connected in the second sliding groove, and a second drive motor fixed to the screw rod is fixed to the bottom end of the inner wall of the second sliding groove.

[0008] In one example, both sides of the inner wall of the feed hopper are rotatably connected with cover plates, the top of the two cover plates are provided with a third sliding groove, the two third sliding grooves are slidably connected with third sliders, the tops of the two third sliders are hinged with pull rods, and the top of the feed hopper is provided with an opening and closing component that drives the pull rod to move.

[0009] In one example, the opening and closing assembly includes a support plate fixedly arranged on the top of the feed hopper, one side of the support plate is rotatably connected to two meshing gears, the two gears are respectively fixedly connected to two pull rods, and the other side of the support plate is fixed with a third drive motor fixed to the gears.

[0010] In one example, two limit blocks that interfere with the cover plate are fixed to the inner wall of the feed hopper.

[0011] The grinding roller spacing adjustable grinding machine proposed by the utility model can bring the following beneficial effects:

[0012] 1. A grinding machine with adjustable grinding roller spacing, which can drive the second slider to move up and down by the rotation of the screw rod driven by the second driving motor, and the second slider drives the movable plate to move up and down, thereby driving the reverse movement of the two adjusting rods, and the two adjusting rods drive the reverse movement of the two first sliders, that is, drive the reverse movement of the two U-shaped frames, thereby driving the reverse movement of the two grinding rollers, and adjusting the distance between the two grinding rollers, so as to facilitate the grinding of grains to different degrees, facilitate the full grinding of grains, and improve the grinding effect of grains.

[0013] 2. This grinding mill with adjustable grinding roller spacing, when feeding into the machine body through the feed hopper, under the movement of the third drive motor, cooperate with the meshing of two gears, it can drive the two pull rods to swing in the opposite direction, and the two pull rods drive the two third sliders to move in the opposite direction, thereby driving the two cover plates to rotate downward synchronously to open the feed hopper. At the same time, the opening size of the feed hopper can be controlled according to the rotation amplitude of the cover plate, thereby controlling the feed amount of grains, avoiding blockage of the feed hopper due to excessive grain feed, facilitating the feeding and grinding of grains, and improving the grain grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the opening and closing component of the utility model.

[0018] In the figure: 1. machine body; 2. feed hopper; 3. U-shaped frame; 4. grinding roller; 5. first drive motor; 6. sliding assembly; 61. first slider; 62. first slide slot; 7. adjusting assembly; 71. adjusting rod; 72. moving plate; 73. second slider; 74. second slide slot; 75. screw rod; 76. second drive motor; 8. cover plate; 9. third slide slot; 10. third slider; 11. pull rod; 12. opening and closing assembly; 121. support plate; 122. gear; 123. third drive motor; 13. limit block. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0020] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the 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, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0024] like Figure 1 to Figure 3 As shown, an embodiment of the utility model proposes a grinding mill with adjustable grinding roller spacing, comprising: a machine body 1, the top of the machine body 1 is connected to a feed hopper 2, two U-shaped frames 3 are arranged inside the machine body 1 and are located below the feed hopper 2, grinding rollers 4 are rotatably connected to the opposite sides of the two U-shaped frames 3, a first driving motor 5 fixed to the grinding roller 4 is fixed to one side of the two U-shaped frames 3, the U-shaped frames 3 are connected to the machine body 1 through a sliding component 6, and an adjusting component 7 for driving the sliding component 6 to move is arranged on one side of the machine body 1.

[0025] In the present embodiment, in the processing of grain beverages, when it is necessary to grind grains to different degrees, first, the movement of the adjusting component 7 drives the movement of the sliding component 6, and the sliding component 6 drives the two U-shaped frames 3 to move in the opposite direction, thereby driving the two grinding rollers 4 to move in the opposite direction, so as to adjust the distance between the two grinding rollers 4, and then the first driving motor 5 drives the grinding rollers 4 to rotate to grind the grains, which facilitates the grinding of the grains to different degrees, facilitates the full grinding of the grains, and improves the grinding effect of the grains.

[0026] In a further embodiment, Figure 1-2 As shown, the sliding assembly 6 includes a first slider 61 fixedly arranged on both sides of the U-shaped frame 3, and first slide grooves 62 for the first slider 61 to slide are provided on both sides of the inner wall of the body 1. The adjusting assembly 7 includes adjusting rods 71 ​​respectively hingedly arranged on one side of two adjacent first sliders 61, and a moving plate 72 hinged to the adjusting rod 71 is slidably provided on one side of the body 1, and a second slider 73 is fixed on one side of the moving plate 72. A second slide groove 74 for the second slider 73 to slide is provided on one side of the body 1, and a screw rod 75 threadedly connected to the second slider 73 is rotatably connected in the second slide groove 74, and a second drive motor 76 fixed to the screw rod 75 is fixed at the bottom end of the inner wall of the second slide groove 74.

[0027] When the spacing of the grinding rollers 4 needs to be adjusted, first, the second drive motor 76 drives the screw rod 75 to rotate, and the screw rod 75 drives the second slider 73 to move up and down, and the second slider 73 drives the movable plate 72 to move up and down, thereby driving the movement of the two adjusting rods 71, and the two adjusting rods 71 ​​drive the two first sliders 61 to move in the opposite direction, and the two first sliders 61 drive the two U-shaped frames 3 to move in the opposite direction, thereby driving the two grinding rollers 4 to move in the opposite direction, and adjusting the distance between the two grinding rollers 4 to facilitate the use of the grinding rollers 4 and improve the grinding effect of the grinding rollers 4 on grains.

[0028] In a further embodiment, Figure 3 As shown, both sides of the inner wall of the feed hopper 2 are rotatably connected with cover plates 8, the tops of the two cover plates 8 are provided with third slide grooves 9, the two third slide grooves 9 are slidably connected with third sliders 10, the tops of the two third sliders 10 are hinged with pull rods 11, and the top of the feed hopper 2 is provided with an opening and closing component 12 for driving the pull rods 11 to move.

[0029] When grains are conveyed into the machine body 1 through the feed hopper 2, the movement of the opening and closing component 12 drives the movement of the pull rod 11, and the pull rod 11 drives the movement of the third slider 10, so that the third slider 10 slides in the third slide groove 9. The movement of the third slider 10 drives the rotation of the cover plate 8, so that the opening size of the feed hopper 2 can be controlled according to the opening degree of the cover plate 8, so as to control the feed amount of grains, avoid clogging of the feed hopper 2 due to excessive grain feed, facilitate the feeding and grinding of grains, and improve the grain grinding efficiency.

[0030] In a further embodiment, Figure 3 As shown, the opening and closing assembly 12 includes a support plate 121 fixedly arranged on the top of the feed hopper 2, one side of the support plate 121 is rotatably connected to two meshing gears 122, the two gears 122 are respectively fixedly connected to two pull rods 11, and the other side of the support plate 121 is fixed with a third drive motor 123 fixed to the gear 122, and the inner wall of the feed hopper 2 is fixed with two limit blocks 13 that interfere with the cover plate 8.

[0031] Under the movement of the third driving motor 123, since the two gears 122 are meshed, the two gears 122 can be driven to rotate in the opposite direction, and the two gears 122 drive the two pull rods 11 to swing in the opposite direction, and the two pull rods 11 drive the two third sliders 10 to move in the opposite direction, thereby driving the two cover plates 8 to swing downward synchronously to open the feed hopper 2. At the same time, the opening size of the feed hopper 2 can be controlled according to the rotation amplitude of the cover plate 8, so as to control the feed amount of grain, avoid blockage of the feed hopper 2 due to excessive grain feed, facilitate the feeding and grinding of grain, and improve the grain grinding efficiency. When the cover plate 8 rotates upward and hits the limit block 13, the cover plate 8 rotates to the horizontal direction at this time, and the feed hopper 2 can be closed.

[0032] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0033] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A grinding mill with adjustable grinding roller spacing, comprising: A machine body (1), characterized in that: the top of the machine body (1) is connected to a feed hopper (2), two U-shaped frames (3) are arranged inside the machine body (1) and are located below the feed hopper (2), the two U-shaped frames (3) are rotatably connected to grinding rollers (4) on opposite sides, a first drive motor (5) fixed to the grinding roller (4) is fixed on one side of the two U-shaped frames (3), the U-shaped frames (3) are connected to the machine body (1) via a sliding assembly (6), and an adjustment assembly (7) for driving the sliding assembly (6) to move is arranged on one side of the machine body (1).

2. The grinding mill with adjustable grinding roller spacing according to claim 1, characterized in that: The sliding assembly (6) comprises a first sliding block (61) fixedly arranged on both sides of the U-shaped frame (3), and both sides of the inner wall of the body (1) are provided with a first sliding groove (62) for the first sliding block (61) to slide.

3. The grinding mill with adjustable grinding roller spacing according to claim 2, characterized in that: The adjustment assembly (7) comprises adjustment rods (71) respectively hingedly arranged on one side of two adjacent first sliders (61); a movable plate (72) hingedly connected to the adjustment rod (71) is slidably provided on one side of the machine body (1); a second slider (73) is fixed on one side of the movable plate (72); a second slide groove (74) for the second slider (73) to slide is provided on one side of the machine body (1); a screw rod (75) threadedly connected to the second slider (73) is rotatably connected in the second slide groove (74); and a second drive motor (76) fixed to the screw rod (75) is fixed at the bottom end of the inner wall of the second slide groove (74).

4. The grinding mill with adjustable grinding roller spacing according to claim 3, characterized in that: Both sides of the inner wall of the feed hopper (2) are rotatably connected with cover plates (8), the top ends of the two cover plates (8) are provided with third slide grooves (9), the two third slide grooves (9) are slidably connected with third sliders (10), the top ends of the two third sliders (10) are hinged with pull rods (11), and the top end of the feed hopper (2) is provided with an opening and closing component (12) for driving the pull rod (11) to move.

5. The grinding mill with adjustable grinding roller spacing according to claim 4, characterized in that: The opening and closing assembly (12) comprises a support plate (121) fixedly arranged at the top of the feed hopper (2); one side of the support plate (121) is rotatably connected to two meshing gears (122); the two gears (122) are respectively fixedly connected to two pull rods (11); and the other side of the support plate (121) is fixed with a third drive motor (123) fixed to the gears (122).

6. The grinding mill with adjustable grinding roller spacing according to claim 5, characterized in that: Two limit blocks (13) that abut against the cover plate (8) are fixed to the inner wall of the feed hopper (2).

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