Sand mill with multiple grinding discs

Abstract

The utility model relates to a sand mill with multiple grinding discs, which belongs to the technical field of sand mill equipment and comprises a base, a grinding box is arranged at the top of the base, a driving device is arranged on the side face of the grinding box, and a grinding device is arranged in the grinding box. The driving device comprises a driving motor fixedly installed on the side face of the grinding box, a driving rod fixedly installed on the side face of the driving motor and a fixed fluted disc fixedly installed on the inner side wall of the grinding box. According to the sand mill with the multiple grinding discs, materials are injected into the grinding box through a material injection opening, a driving motor is started, the driving motor rotates to drive a driving rod to rotate, then a main disc is directly driven to rotate to grind the materials, the driving rod rotates to drive a driving gear to rotate, and the driving gear rotates to drive a driven gear to rotate; the driven gear drives the limiting disc to rotate on the side wall of the grinding box, and the limiting disc rotates to drive the grinding rod, the auxiliary disc and the transmission cover to rotate on the outer side of the driving rod to grind materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand mill equipment technical field, concretely to a sand mill of many grinding disc. BACKGROUND

[0002] The mill is a kind of high-efficiency wet superfine grinding equipment, and is widely used in the grinding process of chemical liquid products.It disperses, breaks, grinds, homogenizes and depolymerizes slurry flowing through the cavity by the shearing force and collision force between beads in the cavity.

[0003] The sand mill is various in classification, and can be divided into disc type, rod type, rod-disc type and the like according to the structure shape of stirring shaft, and can be divided into vertical type and horizontal type according to the arrangement form of grinding cylinder.In working principle, the sand mill gives grinding medium enough kinetic energy through high-speed rotating dispersion blade, so that shearing force is generated by the impact of grinding medium and dispersed particles to achieve dispersion effect, and dispersed objects and grinding medium are separated and discharged through special separation device.

[0004] The sand mill is widely used in many industries, such as paint, ink, pigment, chemical industry, new energy, pharmaceutical, food and the like.These industries use the sand mill to grind, disperse and mix materials to meet production requirements.

[0005] At present, the sand mill mainly adopts the mode of multiple grinding discs to improve grinding efficiency, which can solve the efficiency problem of the sand mill to a certain extent, but the one-way rotation of the grinding disc makes the operation efficiency relatively low, so a sand mill with multiple grinding discs is proposed. UTILITY MODEL CONTENT

[0006] In view of the defects of the prior art, the utility model provides a sand mill with multiple grinding discs, which has the advantages of high grinding efficiency and strong practicability, and solves the problem of relatively low operation efficiency of the traditional sand mill.

[0007] To achieve the purposes of high efficiency and strong practicability, the utility model provides the following technical scheme: a sand mill with multiple grinding discs, comprising a base, a grinding box is arranged at the top of the base, a driving device is arranged on the side surface of the grinding box, and a grinding device is arranged in the interior of the grinding box.

[0008] The driving device comprises a driving motor fixedly installed on the side surface of the grinding box, a driving rod fixedly installed on the side surface of the driving motor, a fixed gear disc fixedly installed on the inner side wall of the grinding box, a transmission cover rotatably connected to the outer side of the fixed gear disc, a plurality of transmission gears rotatably connected to the outer side of the fixed gear disc, a limiting disc movably connected to the inner side wall of the grinding box, a driving gear fixedly installed on the outer side of the driving rod and a driven gear rotatably connected to the inner side wall of the grinding box.

[0009] Further, the grinding device comprises spiral protrusions arranged on the inner side walls of the grinding box, a plurality of main discs fixedly arranged on the outer side of the driving rod, a plurality of grinding rods rotatably connected to the side of the transmission cover, and a plurality of auxiliary discs fixedly arranged on the outer side of the grinding rods.

[0010] Further, the top of the grinding box is provided with a material injection opening, the bottom of the grinding box is provided with a material outlet penetrating through the base, and the bottom of the base is provided with a plurality of supporting legs.

[0011] Further, the driving rod transversely penetrates through the two side walls of the grinding box and is rotatably connected to the grinding box, and the two ends of the driving rod respectively penetrate through the transmission cover and the limiting disc and are rotatably connected to the transmission cover and the limiting disc.

[0012] Further, the inner side wall of the grinding box is provided with a clamping groove, one side of the transmission cover is embedded in the inner side of the clamping groove and is rotatably connected to the grinding box, and the side surface of the transmission gear is rotatably connected to the inner side wall of the transmission cover.

[0013] Further, the limiting disc is in an arcuate structure, the side surface of the limiting disc is embedded in the inner side wall of the grinding box and is rotatably connected to the grinding box, the driving gear and the driven gear are drivingly connected through the meshing of the teeth, and the inner top wall of the limiting disc is provided with the teeth and is drivingly connected to the driven gear.

[0014] Further, one end of the grinding rod is inserted into the inner side of the transmission cover and is fixedly arranged on the side surface of the transmission gear, and the side surface of the grinding rod is rotatably connected to the side surface of the limiting disc.

[0015] Further, the main discs and the auxiliary discs are staggered arranged on the outer side surfaces of the driving rod and the grinding rod, the main discs are in a triangular shape and are positively and negatively staggered arranged on the outer side of the driving rod.

[0016] Compared with the prior art, the sand mill with multiple grinding discs has the following advantages

[0017] Advantages:

[0018] 1. The sand mill with multiple grinding discs, the material is injected into the inner side of the grinding box through the material injection opening, the driving motor is started, the rotation of the driving motor drives the rotation of the driving rod, thereby directly driving the rotation of the main disc to grind the material, the rotation of the driving rod drives the rotation of the driving gear, the rotation of the driving gear drives the rotation of the driven gear, so that the driven gear drives the rotation of the limiting disc on the side wall of the grinding box, and the rotation of the limiting disc drives the rotation of the grinding rod, the auxiliary disc and the transmission cover on the outer side of the driving rod to grind the material.

[0019] 2、The sand mill of multiple grinding discs drives the grinding rod and the transmission cover to rotate around the driving rod through the limiting disc, so that the grinding rod is located inside the transmission cover, the transmission gear rotates outside the fixed tooth disc, and then drives the grinding rod to rotate on the side of the transmission cover, thereby driving the secondary disc to rotate, the secondary disc rotates to further grind the material, and the grinding efficiency is improved, thereby solving the problem of relatively low operation efficiency of the traditional sand mill. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a perspective view of the structure of the utility model;

[0021] Fig. 2 It is a sectional view of the base and the grinding box of the structure of the utility model;

[0022] Fig. 3 It is a sectional view of the structure of the utility model;

[0023] Fig. 4 It is a structure of the utility model Fig. 3 It is an enlarged view of the structure A.

[0024] In the figure: 1, base; 11, supporting leg; 2, grinding box; 21, feeding opening; 22, discharging opening; 23, clamping slot; 3, driving device; 31, driving motor; 32, driving rod; 33, fixed tooth disc; 34, transmission cover; 35, transmission gear; 36, limiting disc; 37, driving gear; 38, driven gear; 4, grinding device; 41, spiral protrusion; 42, main disc; 43, grinding rod; 44, secondary disc. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1 to 4 In the embodiment, the sand mill of multiple grinding discs comprises a base 1, the top of the base 1 is provided with a grinding box 2, the side of the grinding box 2 is provided with a driving device 3, and the inside of the grinding box 2 is provided with a grinding device 4.

[0027] The driving device 3 comprises a driving motor 31 fixedly installed on the side of the grinding box 2, a driving rod 32 fixedly installed on the side of the driving motor 31, a fixed gear disc 33 fixedly installed on the inner side wall of the grinding box 2, a transmission cover 34 rotationally connected to the outer side of the fixed gear disc 33, a plurality of transmission gears 35 rotationally connected to the outer side of the fixed gear disc 33, a limiting disc 36 movably connected to the inner side wall of the grinding box 2, a driving gear 37 fixedly installed on the outer side of the driving rod 32, and a driven gear 38 rotationally connected to the inner side wall of the grinding box 2.

[0028] In the embodiment, the top of the grinding box 2 is provided with a feeding opening 21, the bottom of the grinding box 2 is provided with a discharging opening 22 penetrating through the base 1, and the bottom of the base 1 is provided with a plurality of supporting legs 11.

[0029] It should be noted that the inside of the feeding opening 21 and the discharging opening 22 is provided with a sealing opening and closing device to ensure the sealing state during operation.

[0030] The driving rod 32 transversely penetrates through the two side walls of the grinding box 2 and is rotationally connected to the grinding box 2, and the two ends of the driving rod 32 respectively penetrate through the transmission cover 34 and the limiting disc 36 and are rotationally connected to the transmission cover 34 and the limiting disc 36.

[0031] The inner side wall of the grinding box 2 is provided with a clamping groove 23, one side of the transmission cover 34 is embedded in the inside of the clamping groove 23 and is rotationally connected to the grinding box 2, and the side surface of the transmission gear 35 is rotationally connected to the inner side wall of the transmission cover 34.

[0032] The limiting disc 36 is in an arcuate structure, the side surface of the limiting disc 36 is embedded in the inner side wall of the grinding box 2 and is rotationally connected to the grinding box 2, the driving gear 37 and the driven gear 38 are transmissionally connected through the tooth engagement, and the inner top wall of the limiting disc 36 is provided with a tooth engagement and is transmissionally connected to the driven gear 38.

[0033] In the embodiment, the grinding device 4 comprises a spiral protrusion 41 provided on the inner side wall of the grinding box 2, a plurality of main discs 42 fixedly installed on the outer side of the driving rod 32, a plurality of grinding rods 43 rotationally connected to the side surface of the transmission cover 34, and a plurality of auxiliary discs 44 fixedly installed on the outer side of the grinding rods 43.

[0034] One end of the grinding rod 43 is inserted into the inside of the transmission cover 34 and is fixedly installed on the side surface of the transmission gear 35, and the side surface of the grinding rod 43 is rotationally connected to the side surface of the limiting disc 36.

[0035] The main discs 42 and the auxiliary discs 44 are staggered arranged on the outer side surfaces of the driving rod 32 and the grinding rod 43, the main discs 42 are in a triangular shape and are positively and negatively staggered arranged on the outer side of the driving rod 32.

[0036] The working principle of the above embodiment is as follows:

[0037] The material is injected into the interior of the grinding box 2 through the injection port 21, the driving motor 31 is started, the rotation of the driving motor 31 drives the driving rod 32 to rotate, thereby directly driving the rotation of the main disc 42 to grind the material, the rotation of the driving rod 32 drives the rotation of the driving gear 37, the rotation of the driving gear 37 drives the rotation of the driven gear 38, so that the driven gear 38 drives the rotation of the limiting disc 36 on the side wall of the grinding box 2, the rotation of the limiting disc 36 drives the rotation of the grinding rod 43, the auxiliary disc 44 and the transmission cover 34 outside the driving rod 32 to grind the material.

[0038] In addition, the grinding rod 43 and the transmission cover 34 are driven by the limiting disc 36 to rotate around the driving rod 32, so that the transmission gear 35 is located inside the transmission cover 34 and rotates outside the fixed gear disc 33, thereby driving the grinding rod 43 to rotate on the side of the transmission cover 34, thereby driving the auxiliary disc 44 to rotate, the auxiliary disc 44 rotates to further grind the material, thereby improving the grinding efficiency, thereby solving the problem of relatively low operation efficiency of the traditional sand mill.

[0039] The electrical components in the text are electrically connected with the main control unit and the power supply, the main control unit can be a conventional known device such as a computer, and the existing disclosed power connection technology is not described in detail.

[0040] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0041] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application.

Claims

1. A sand mill with multiple grinding discs, comprising a base (1), characterized in that: A grinding box (2) is provided on the top of the base (1), a driving device (3) is provided on the side of the grinding box (2), and a grinding device (4) is provided inside the grinding box (2); The driving device (3) comprises a driving motor (31) fixedly mounted on the side of the grinding box (2), a driving rod (32) fixedly mounted on the side of the driving motor (31), a fixed toothed disc (33) fixedly mounted on the inner wall of the grinding box (2), a transmission cover (34) rotatably connected to the outer side of the fixed toothed disc (33), a plurality of transmission gears (35) transmission-connected to the outer side of the fixed toothed disc (33), a limiting disc (36) movably connected to the inner wall of the grinding box (2), a driving gear (37) fixedly mounted on the outer side of the driving rod (32), and a driven gear (38) rotatably connected to the inner wall of the grinding box (2).

2. A sand mill with multiple grinding discs according to claim 1, characterized in that: The grinding device (4) comprises a spiral protrusion (41) provided on the inner wall of the grinding box (2), a plurality of main discs (42) fixedly mounted on the outside of the driving rod (32), a plurality of grinding rods (43) rotatably connected to the side of the transmission cover (34), and a plurality of auxiliary discs (44) fixedly mounted on the outside of the grinding rods (43).

3. The multi-grinding disc sand mill according to claim 1, characterized in that: The top of the grinding box (2) is provided with a material injection port (21), the bottom of the grinding box (2) is provided with a material discharge port (22) penetrating the base (1), and the bottom of the base (1) is provided with a plurality of supporting legs (11).

4. The multi-grinding disc sand mill according to claim 1, characterized in that: The driving rod (32) passes through the two side walls of the grinding box (2) transversely and is rotatably connected to the grinding box (2). The two ends of the driving rod (32) respectively pass through the transmission cover (34) and the limit plate (36) and are rotatably connected to both the transmission cover (34) and the limit plate (36).

5. The multi-grinding disc sand mill according to claim 1, characterized in that: The inner side wall of the grinding box (2) is provided with a locking notch (23), one side of the transmission cover (34) is embedded in the locking notch (23) and is rotatably connected to the grinding box (2), and the side surface of the transmission gear (35) is rotatably connected to the inner side wall of the transmission cover (34).

6. The multi-grinding disc sand mill according to claim 1, characterized in that: The limiting plate (36) is an arched structure. The side of the limiting plate (36) is embedded in the inner wall of the grinding box (2) and is rotatably connected to the grinding box (2). The driving gear (37) and the driven gear (38) are connected through tooth meshing transmission. The inner top wall of the limiting plate (36) is provided with tooth meshing transmission connection with the driven gear (38).

7. The multi-grinding disc sand mill according to claim 2, characterized in that: One end of the grinding rod (43) is inserted into the interior of the transmission cover (34) and fixedly mounted on the side of the transmission gear (35). The side of the grinding rod (43) is rotatably connected to the side of the limiting plate (36).

8. The multi-grinding disc sand mill according to claim 2, characterized in that: The main disk (42) and the auxiliary disk (44) are arranged alternately on the outer surfaces of the driving rod (32) and the grinding rod (43); the main disk (42) is triangular and is arranged alternately on the outer side of the driving rod (32).

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