Motor driving structure and sand mill

Abstract

The utility model is applicable to the technical field of sand mills, and provides a motor driving structure and a sand mill, which comprises a bottom plate, a lower grinding box, a motor, a first gear, a second gear and an inner gear ring, a supporting frame and a motor are installed on the bottom plate, the lower grinding box is rotationally connected to the supporting frame, and the inner gear ring is installed at the lower end of the lower grinding box; a driving shaft is installed at the rotating end of the motor, the first gear is installed on the driving shaft, and the second gear is rotationally connected to the bottom plate. The motor drives the driving shaft to rotate, the driving shaft drives the first gear to rotate, the first gear drives the second gear to rotate reversely, the second gear drives the inner gear ring to rotate reversely, the inner gear ring drives the lower grinding box to rotate reversely, then the lower grinding box and the driving shaft rotate reversely, the driving shaft drives the cutter to rotate, and then the cutter and the lower grinding box rotate reversely. And when the upper grinding box rotates reversely, movement of the processed product can be promoted, and therefore the grinding effect of the processed product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sand mills, and in particular relates to a motor drive structure and a sand mill. Background Art

[0002] Sand mill is the most adaptable, most advanced and most efficient grinding equipment. It has the narrowest grinding chamber, the smallest lever gap and the most intensive grinding energy. Combined with a high-performance cooling system and automatic control system, it can realize continuous processing and discharging of materials, greatly improving production efficiency.

[0003] The existing announcement number is CN 219765515 U. A sand grinder for pesticide production is used. The pesticide is poured into the lower grinding box, and then the second hydraulic rod on the top plate drives the upper grinding box to move downward, and the fixed column is inserted into the hole to close the grinding box. Finally, the motor drives the cutter to rotate inside to grind the pesticide, achieving a deep grinding effect.

[0004] Although the above method can realize the grinding of pesticides, the lower grinding box is fixedly installed and cannot be rotated. The stirring of the cutter alone cannot make the pesticide flow fully, thereby causing the pesticide to be ground unevenly. Utility Model Content

[0005] The purpose of the embodiment of the utility model is to provide a motor drive structure and a sand grinder, aiming to solve the problem that although the existing method can achieve the grinding of pesticides, the lower grinding box is fixedly installed and cannot rotate, and the stirring of the tool alone cannot make the pesticide flow sufficiently, thereby causing the pesticide to be ground unevenly.

[0006] The utility model is implemented as follows: a motor drive structure includes a base plate and further includes:

[0007] A lower grinding box, a motor, a first gear, a second gear and an inner gear ring;

[0008] A support frame and a motor are installed on the bottom plate, the lower grinding box is rotatably connected to the support frame, and the inner gear ring is installed at the lower end of the lower grinding box;

[0009] A driving shaft is installed at the rotating end of the motor, the first gear is installed on the driving shaft, the second gear is rotatably connected to the bottom plate, and the second gear is meshed with the first gear and the inner gear ring at the same time.

[0010] A sand mill, comprising the motor drive structure as claimed in the claim, and further comprising: a cutter, an upper grinding box, a lifting assembly and a connecting assembly;

[0011] The tool is arranged in the lower grinding box, the tool is mounted on the driving shaft, the lifting assembly is arranged on the bottom plate, the upper grinding box is rotatably connected to the lifting assembly, and the lifting assembly is used to drive the upper grinding box to move up and down;

[0012] The connecting assembly is arranged on the upper grinding box, and the connecting assembly is used to connect the lower grinding box with the upper grinding box.

[0013] In a further technical solution, the lifting assembly comprises a guide post, a sliding plate, a top plate and a hydraulic cylinder telescopic cylinder;

[0014] A plurality of guide columns are installed on the bottom plate, the sliding plate is slidably connected to the guide columns, the grinding box is rotatably connected to the sliding plate, the top plate is installed on the upper end of the guide columns, the hydraulic cylinder telescopic cylinder is installed on the top plate, and the telescopic end of the hydraulic cylinder telescopic cylinder is rotatably connected to the upper end of the grinding box.

[0015] According to a further technical solution, the connecting assembly includes a connecting shaft, a sliding block and a spring;

[0016] The upper grinding box is provided with a sliding groove, a spring is provided in the sliding groove, a sliding block is slidably connected to the sliding groove, a connecting shaft is installed on the sliding block, and the lower grinding box is provided with a through hole matched with the connecting shaft.

[0017] According to a further technical solution, the through holes, connecting shafts, sliding grooves, sliding blocks and spring rings are provided in multiple groups.

[0018] The utility model provides a motor drive structure and a sand grinder. The processed product is placed in a lower grinding box, and the lifting component drives the upper grinding box to move downward. After the upper grinding box contacts the lower grinding box, the connecting component connects the lower grinding box with the upper grinding box. The motor drives the driving shaft to rotate, and the driving shaft drives the first gear to rotate. The first gear drives the second gear to reverse, and the second gear drives the inner gear ring to reverse, and the inner gear ring drives the lower grinding box to reverse, thereby causing the lower grinding box and the driving shaft to rotate in the opposite direction. The driving shaft drives the tool to rotate, thereby causing the tool and the lower grinding box to rotate in the opposite direction, and the tool grinds the processed product. When the upper grinding box rotates in the opposite direction, it can promote the movement of the processed product, thereby improving the grinding effect of the processed product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a motor drive structure and a sand mill provided in an embodiment of the utility model;

[0020] Figure 2 The embodiment of the utility model provides Figure 1 A schematic diagram of the upward tilt angle structure;

[0021] Figure 3 The embodiment of the utility model provides Figure 1 A schematic diagram of a top view structure;

[0022] Figure 4 The embodiment of the utility model provides Figure 3 Schematic diagram of the structure from the middle AA perspective;

[0023] Figure 5 The embodiment of the utility model provides Figure 4 Schematic diagram of the enlarged structure of B.

[0024] In the accompanying drawings: bottom plate 1, guide column 2, sliding plate 3, top plate 4, hydraulic cylinder telescopic cylinder 5, support frame 6, lower grinding box 7, tool 8, upper grinding box 9, motor 10, drive shaft 11, first gear 12, second gear 13, inner gear ring 14, through hole 15, connecting shaft 16, sliding groove 17, sliding block 18, spring 19. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0027] like Figure 1-Figure 4 As shown, a motor drive structure provided by an embodiment of the utility model includes a bottom plate 1, and also includes: a lower grinding box 7, a motor 10, a first gear 12, a second gear 13 and an inner gear ring 14;

[0028] The bottom plate 1 is provided with a support frame 6 and a motor 10, the lower grinding box 7 is rotatably connected to the support frame 6, and the inner gear ring 14 is installed at the lower end of the lower grinding box 7;

[0029] The rotating end of the motor 10 is mounted with a driving shaft 11 , the first gear 12 is mounted on the driving shaft 11 , the second gear 13 is rotatably connected to the base plate 1 , and the second gear 13 is meshed with the first gear 12 and the inner gear ring 14 at the same time.

[0030] In the embodiment of the utility model, the motor 10 drives the driving shaft 11 to rotate, the driving shaft 11 drives the first gear 12 to rotate, the first gear 12 drives the second gear 13 to reverse, the second gear 13 drives the inner gear ring 14 to reverse, and the inner gear ring 14 drives the lower grinding box 7 to reverse, thereby causing the lower grinding box 7 and the driving shaft 11 to rotate in opposite directions.

[0031] like Figure 1-Figure 5As shown, a sand grinder provided by an embodiment of the utility model includes a motor drive structure, and also includes: a cutter 8, an upper grinding box 9, a lifting assembly and a connecting assembly;

[0032] The tool 8 is arranged in the lower grinding box 7, the tool 8 is mounted on the driving shaft 11, the lifting assembly is arranged on the bottom plate 1, the upper grinding box 9 is rotatably connected to the lifting assembly, and the lifting assembly is used to drive the upper grinding box 9 to move up and down;

[0033] The connecting assembly is disposed on the upper grinding box 9 , and the connecting assembly is used to connect the lower grinding box 7 with the upper grinding box 9 .

[0034] In the embodiment of the utility model, the processed product is placed in the lower grinding box 7, and the lifting assembly drives the upper grinding box 9 to move downward. After the upper grinding box 9 contacts the lower grinding box 7, the connecting assembly connects the lower grinding box 7 with the upper grinding box 9, and the motor 10 drives the driving shaft 11 to rotate. The driving shaft 11 drives the first gear 12 to rotate. The first gear 12 drives the second gear 13 to reverse. The second gear 13 drives the inner gear ring 14 to reverse. The inner gear ring 14 drives the lower grinding box 7 to reverse, thereby causing the lower grinding box 7 and the driving shaft 11 to rotate in the opposite direction. The driving shaft 11 drives the tool 8 to rotate, thereby causing the tool 8 and the lower grinding box 7 to rotate in the opposite direction. The tool 8 grinds the processed product. When the upper grinding box 9 rotates in the opposite direction, it can promote the movement of the processed product, thereby improving the grinding effect of the processed product.

[0035] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the utility model, the lifting assembly includes a guide column 2, a sliding plate 3, a top plate 4 and a hydraulic cylinder telescopic cylinder 5;

[0036] A plurality of guide columns 2 are installed on the bottom plate 1, the sliding plate 3 is slidably connected to the guide columns 2, the grinding box 9 is rotatably connected to the sliding plate 3, the top plate 4 is installed on the upper end of the guide columns 2, the hydraulic cylinder telescopic cylinder 5 is installed on the top plate 4, and the telescopic end of the hydraulic cylinder telescopic cylinder 5 is rotatably connected to the upper end of the grinding box 9.

[0037] In the embodiment of the utility model, the hydraulic cylinder telescopic cylinder 5 is extended, and the hydraulic cylinder telescopic cylinder 5 drives the sliding plate 3 and the upper grinding box 9 to move downward; the hydraulic cylinder telescopic cylinder 5 is contracted, and the hydraulic cylinder telescopic cylinder 5 drives the sliding plate 3 and the upper grinding box 9 to move upward.

[0038] like Figure 1-Figure 5 As shown, as a preferred embodiment of the utility model, the connecting assembly includes a connecting shaft 16, a sliding block 18 and a spring 19;

[0039] The upper grinding box 9 is provided with a sliding groove 17, a spring 19 is provided in the sliding groove 17, a sliding block 18 is slidably connected to the sliding groove 17, a connecting shaft 16 is installed on the sliding block 18, and the lower grinding box 7 is provided with a through hole 15 matched with the connecting shaft 16;

[0040] The through holes 15, the connecting shafts 16, the sliding grooves 17, the sliding blocks 18 and the springs 19 are arranged in a plurality of groups in an annular manner.

[0041] In the embodiment of the utility model, when the upper grinding box 9 moves downward, the connecting shaft 16 first contacts the upper end surface of the lower grinding box 7. As the lower grinding box 7 rotates, until the connecting shaft 16 is perpendicular to the through hole 15, the spring 19 pushes the sliding block 18 to move downward, and the sliding block 18 drives the connecting shaft 16 to be inserted into the through hole 15, thereby connecting the lower grinding box 7 to the upper grinding box 9.

[0042] The above embodiment of the utility model provides a motor drive structure and a sand mill, the processed product is placed in the lower grinding box 7, the hydraulic cylinder telescopic cylinder 5 is extended, the hydraulic cylinder telescopic cylinder 5 drives the sliding plate 3 and the upper grinding box 9 to move downward, after the upper grinding box 9 contacts the lower grinding box 7, the connecting shaft 16 first contacts the upper end surface of the lower grinding box 7, the motor 10 drives the driving shaft 11 to rotate, the driving shaft 11 drives the first gear 12 to rotate, the first gear 12 drives the second gear 13 to reverse, the second gear 13 drives the inner gear ring 14 to reverse, the inner gear ring 14 drives the lower grinding box 7 to reverse, and then The lower grinding box 7 and the driving shaft 11 are rotated in the opposite direction, and the driving shaft 11 drives the tool 8 to rotate, thereby causing the tool 8 and the lower grinding box 7 to rotate in the opposite direction, and the tool 8 grinds the processed product. When the upper grinding box 9 rotates in the opposite direction, it can promote the movement of the processed product. As the lower grinding box 7 rotates, until the connecting shaft 16 is perpendicular to the through hole 15, the spring 19 pushes the sliding block 18 to move downward, and the sliding block 18 drives the connecting shaft 16 to be inserted into the through hole 15, thereby connecting the lower grinding box 7 to the upper grinding box 9, and then causing the lower grinding box 7 to rotate synchronously with the upper grinding box 9, thereby improving the grinding effect of the processed product.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor drive structure, comprising a base plate, characterized in that: Also includes: A lower grinding box, a motor, a first gear, a second gear and an inner gear ring; A support frame and a motor are installed on the bottom plate, the lower grinding box is rotatably connected to the support frame, and the inner gear ring is installed at the lower end of the lower grinding box; A driving shaft is installed at the rotating end of the motor, the first gear is installed on the driving shaft, the second gear is rotatably connected to the bottom plate, and the second gear is meshed with the first gear and the inner gear ring at the same time.

2. A sand mill, characterized in that: The motor drive structure according to claim 1 further comprises: a cutter, an upper grinding box, a lifting assembly and a connecting assembly; The tool is arranged in the lower grinding box, the tool is mounted on the driving shaft, the lifting assembly is arranged on the bottom plate, the upper grinding box is rotatably connected to the lifting assembly, and the lifting assembly is used to drive the upper grinding box to move up and down; The connecting assembly is arranged on the upper grinding box, and the connecting assembly is used to connect the lower grinding box with the upper grinding box.

3. The sand mill according to claim 2, characterized in that: The lifting assembly includes a guide column, a sliding plate, a top plate and a hydraulic cylinder telescopic cylinder; A plurality of guide columns are installed on the bottom plate, the sliding plate is slidably connected to the guide columns, the grinding box is rotatably connected to the sliding plate, the top plate is installed on the upper end of the guide columns, the hydraulic cylinder telescopic cylinder is installed on the top plate, and the telescopic end of the hydraulic cylinder telescopic cylinder is rotatably connected to the upper end of the grinding box.

4. The sand mill according to claim 3, characterized in that: The connecting assembly comprises a connecting shaft, a sliding block and a spring; The upper grinding box is provided with a sliding groove, a spring is provided in the sliding groove, a sliding block is slidably connected to the sliding groove, a connecting shaft is installed on the sliding block, and the lower grinding box is provided with a through hole matched with the connecting shaft.

5. The sand mill according to claim 4, characterized in that: The through holes, connecting shafts, sliding grooves, sliding blocks and spring rings are arranged in multiple groups.

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