Grinding device

Abstract

The utility model belongs to the technical field of grinding devices, and particularly relates to a grinding device which comprises a processing box. A filter screen plate is slidably connected into the processing box, a rolling box is fixedly connected to the top of the processing box, and a rolling roller is mounted in the rolling box; through the arrangement of the auxiliary mechanism, grains can be put into the grinding box in advance, the grains are preliminarily ground through two groups of oppositely arranged grinding rollers in the grinding box, the preliminarily ground grains fall on a filter screen plate, a motor is started to drive a driving rod to rotate, and a transmission rod drives a plurality of grinding blades which are distributed at equal intervals to rotate; a positioning rod drives a shifting block to rotate, the shifting block intermittently pushes a filter screen plate to move upwards, then the filter screen plate falls down under the gravity of the grains and the gravity of the filter screen plate, the filter screen plate and the grains are vibrated, and the grains are further ground and crushed; and meanwhile, the situation that too few grains cannot make contact with the grinding blades and remain on the filter screen plate is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushing, in particular to a crushing device. Background Art

[0002] Food is the main source of calories needed by the human body. The main food grains in the world include rice, wheat, rye, sorghum, corn and millet. When processing food grains, it is often necessary to use a crushing device to crush the food into smaller particles or powder for subsequent processing and sales.

[0003] The current crushing device is usually composed of a crushing box, two sets of crushing rollers rotatably connected to the crushing box, and a motor fixedly connected to one side of the crushing box. That is, the motor is started to drive the two sets of crushing boxes to rotate, and the grain is poured into the crushing box, and the grain is squeezed and crushed by the crushing rollers.

[0004] When large grains are crushed by crushing rollers, the effect of a single crushing at a single location is limited, which may easily lead to more grains being difficult to crush completely and requiring repeated crushing, which indirectly affects the grain crushing efficiency; therefore, a crushing device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology and solve the problem that when large grains are crushed by crushing rollers, the single crushing effect is limited, which easily leads to a large amount of grain being difficult to crush completely and requires repeated crushing, which indirectly affects the crushing efficiency of the grain, a crushing device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the crushing device described in the utility model comprises a processing box; a filter screen is slidably connected in the processing box, a rolling box is fixedly connected to the top of the processing box, a rolling roller is installed in the rolling box, and a material discharge port is opened at the bottom of the processing box;

[0007] An auxiliary mechanism is provided in the processing box, and the auxiliary mechanism includes a driving rod rotatably connected to the bottom wall of the processing box, the top of the filter screen plate is rotatably connected to the transmission rod, the outer wall of the transmission rod is fixedly connected to the grinding blade, the top of the driving rod passes through the filter screen plate and the transmission rod in sequence, the outer wall of the driving rod is fixedly connected to the first bevel gear, the inner side wall of the processing box is fixedly connected to the support block, one side of the support block is rotatably connected to the positioning rod, the outer wall of the positioning rod is fixedly connected to the second bevel gear, the first bevel gear is meshed with the second bevel gear, and the other end of the positioning rod is fixedly connected to the toggle block. Through the setting of the auxiliary mechanism, the grain can be crushed and crushed in cooperation with the rolling roller to improve the grain crushing efficiency.

[0008] Preferably, a protective box is fixedly connected to the inner bottom wall of the processing box, and through holes compatible with the positioning rods are opened on both sides of the protective box. Sealing gaskets are arranged in the through holes. Through the setting of the protective box, the first bevel gear and the second bevel gear are shielded and protected to prevent fallen grain particles and powder from affecting the operation of the auxiliary mechanism.

[0009] Preferably, a feed plate is fixedly connected to the top of the rolling box, and both ends of the toggle block are arranged to be elliptical. The setting of the feed plate can facilitate the gathering and feeding of grains and shield the rolling box.

[0010] Preferably, a protective ring is fixedly connected to the bottom of the filter screen plate, and a sealing gasket is provided on the outer wall of the protective ring. The provision of the protective ring prevents grain particles from falling through the gap between the filter screen plate and the chute.

[0011] Preferably, a material guide plate is fixedly connected to the inner wall of the processing box, and a material guide groove is provided on the top of the material guide plate. The material guide groove is arranged in a pot shape which is wide at the top and narrow at the bottom. Through the arrangement of the material guide plate, the grains preliminarily crushed by the rolling roller can be collected and gathered, so as to be convenient for falling onto the filter screen.

[0012] Preferably, both sides of the processing box are fixedly connected with an air exchange box with a filter, and a fan is installed in the air exchange box. The dust generated by crushing the grain can be processed by the air exchange box and the fan to avoid a large amount of dust being discharged when discharging the material, thereby polluting the environment.

[0013] Preferably, the top of the support block is configured to be cone-shaped, the bottom of the processing box is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to a transmission block, and a side of the transmission block close to a discharge port is fixedly connected to a baffle plate, and the discharge port can be blocked by the cooperation of the electric telescopic rod and the baffle plate to control the discharge of the crushed grain.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model provides a crushing device. Through the setting of an auxiliary mechanism, grains can be pre-put into a crushing box, and the two sets of relatively arranged crushing rollers therein are used to preliminarily crush the grains. The preliminarily crushed grains fall on a filter screen, and a starting motor drives a driving rod to rotate, and a transmission rod drives a plurality of equally distributed grinding blades to rotate, so as to further grind and crush the grains. A positioning rod drives a toggle block to rotate, and the toggle block intermittently pushes the filter screen to move up, and then the filter screen falls under the gravity of the grains and itself, and cooperates with the sliding block to vibrate the filter screen and the grains, so as to avoid clogging of the filter screen and prevent too little grain from contacting the grinding blades and remaining on the filter screen.

[0016] 2. The utility model provides a crushing device. By setting a protective box, the first bevel gear and the second bevel gear are shielded and protected to prevent fallen grain particles and powder from affecting the operation of the auxiliary mechanism. By setting a guide plate, the grain preliminarily crushed by the crushing roller can be collected and gathered to facilitate falling onto the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. 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:

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is one of the cross-sectional structural diagrams of the processing box in the utility model;

[0020] Figure 3 This is the second cross-sectional structural diagram of the processing box in the utility model;

[0021] Figure 4 It is a three-dimensional diagram of a processing box in the utility model.

[0022] Legend:

[0023] 1. Processing box; 2. Filter plate; 3. Rolling box; 4. Rolling roller; 5. Auxiliary mechanism; 51. Driving rod; 52. Transmission rod; 53. Grinding blade; 54. First bevel gear; 55. Second bevel gear; 56. Positioning rod; 57. Toggle block; 6. Protection box; 7. Unloading plate; 8. Protection ring; 9. Guide plate; 10. Air change box; 11. Electric telescopic rod; 12. Shielding plate. 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 of 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] Specific examples are given below.

[0026] See also Figure 1-Figure 4 The utility model provides a crushing device, including a processing box 1; a filter screen plate 2 is slidably connected in the processing box 1, a rolling box 3 is fixedly connected to the top of the processing box 1, a rolling roller 4 is installed in the rolling box 3, and a material discharge port is opened at the bottom of the processing box 1;

[0027] An auxiliary mechanism 5 is provided in the processing box 1, and the auxiliary mechanism 5 includes a driving rod 51 rotatably connected to the bottom wall of the processing box 1, a transmission rod 52 is rotatably connected to the top of the filter screen plate 2, and a grinding blade 53 is fixedly connected to the outer wall of the transmission rod 52. The top of the driving rod 51 passes through the filter screen plate 2 and the transmission rod 52 in sequence, and a first bevel gear 54 is fixedly connected to the outer wall of the driving rod 51. A support block is fixedly connected to the inner wall of the processing box 1, and a positioning rod 56 is rotatably connected to one side of the support block. The outer wall of the positioning rod 56 is fixedly connected to the second The bevel gear 55, the first bevel gear 54 and the second bevel gear 55 are meshed and connected, and the other end of the positioning rod 56 is fixedly connected to the toggle block 57; when working, the inner side wall of the processing box 1 is provided with a slide groove, and the slide block is slidably connected in the slide groove. Once the slide block extends out of the slide groove and is fixedly connected to the filter screen plate 2, the bottom of the processing box 1 is fixedly connected with a motor, and the output end of the motor passes through the processing box 1 and is fixedly connected to the bottom end of the driving rod 51. The outer wall of the driving rod 51 is fixedly connected with a fitting block, and the transmission rod 52 is provided with a fitting block that is connected to the fitting block. The adapted interlocking groove can be used to pre-put the grain into the crushing box 3 through the setting of the auxiliary mechanism 5, and the grain is preliminarily crushed by the two sets of relatively arranged crushing rollers 4 therein. The preliminarily crushed grain falls on the filter screen 2, and the motor is started to drive the driving rod 51 to rotate. The driving rod 51 drives the transmission rod 52 to rotate synchronously through the interlocking block and the interlocking block. The transmission rod 52 drives a plurality of equally spaced grinding blades 53 to rotate, and the grain is further ground and crushed. While the driving rod 51 rotates, the first bevel gear 54 is used to rotate the first bevel gear 54. The second bevel gear 55 drives the positioning rod 56 to rotate, and the positioning rod 56 drives the toggle block 57 to rotate. The toggle block 57 intermittently pushes the filter plate 2 to move up, and then the filter plate 2 falls under the gravity of the grain and its own gravity. The sliding block makes the filter plate 2 and the grain vibrate to avoid clogging of the filter plate 2. When there is less remaining grain, the grain can rise due to vibration and contact with the grinding blade 53, thereby ensuring the crushing efficiency of the grain and avoiding too little grain to contact with the grinding blade 53 and remain on the filter plate 2.

[0028] Further, such as Figure 2 and Figure 3 As shown, the inner bottom wall of the processing box 1 is fixedly connected with a protection box 6, and both sides of the protection box 6 are provided with through holes adapted to the positioning rods 56, and sealing gaskets are arranged in the through holes. During operation, the protection box 6 is arranged to shield and protect the first bevel gear 54 and the second bevel gear 55 to prevent the falling grains and powder from affecting the operation of the auxiliary mechanism 5.

[0029] Further, such as Figure 2 and Figure 3As shown, the top of the rolling box 3 is fixedly connected with a feed plate 7, and both ends of the toggle block 57 are set to be elliptical. During operation, the setting of the feed plate 7 can facilitate the gathering and feeding of grains, and the rolling box 3 can be shielded.

[0030] Further, such as Figure 2 and Figure 3 As shown, a protective ring 8 is fixedly connected to the bottom of the filter screen plate 2, and a sealing gasket is arranged on the outer wall of the protective ring 8. During operation, the protective ring 8 is arranged to prevent grain particles from falling from the gap between the filter screen plate 2 and the chute.

[0031] Further, such as Figure 2 and Figure 3 As shown, a guide plate 9 is fixedly connected to the inner wall of the processing box 1, and a guide groove is provided on the top of the guide plate 9. The guide groove is set in a pot shape with a wide top and a narrow bottom. During operation, the guide plate 9 can collect and gather the grains that are initially crushed by the rolling roller 4, so that they can fall onto the filter screen plate 2.

[0032] Further, such as Figure 2 and Figure 3 As shown, both sides of the processing box 1 are fixedly connected with an air change box 10 with a filter screen, and a fan is installed in the air change box 10. During operation, the dust generated by crushing the grain can be processed by the air change box 10 and the fan to avoid a large amount of dust being brought out when discharging the material to pollute the environment.

[0033] Further, such as Figure 2 and Figure 4 As shown, the top of the support block is set to be conical, the bottom of the processing box 1 is fixedly connected to an electric telescopic rod 11, the output end of the electric telescopic rod 11 is fixedly connected to a transmission block, and the side of the transmission block close to the feeding port is fixedly connected to a shielding plate 12. During operation, the feeding port can be shielded by the cooperation of the electric telescopic rod 11 and the shielding plate 12 to control the feeding of the crushed grain.

[0034] Working principle: the grain can be put into the rolling box 3 in advance, and the two sets of relatively arranged rolling rollers 4 therein are used to perform preliminary crushing on the grain. The preliminary crushed grain falls on the filter screen plate 2, and the starting motor drives the driving rod 51 to rotate. The driving rod 51 drives the transmission rod 52 to rotate synchronously through the interlocking block and the interlocking block, and the transmission rod 52 drives a plurality of equally distributed grinding blades 53 to rotate to further grind and crush the grain. While the driving rod 51 rotates, the positioning rod 56 is driven to rotate through the first bevel gear 54 and the second bevel gear 55, and the positioning rod 56 drives the toggle block 57 to rotate. The toggle block 57 intermittently pushes the filter screen plate 2 to move up, and then the filter screen plate 2 falls under the gravity of the grain and itself, and cooperates with the sliding block to vibrate the filter screen plate 2 and the grain to avoid clogging of the filter screen plate 2. At the same time, when there is less remaining grain, the grain can rise due to vibration and contact with the grinding blade 53, thereby ensuring the crushing efficiency of the grain and avoiding too little grain to contact with the grinding blade 53 and remain on the filter screen plate 2.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A crushing device, comprising a processing box (1); a filter screen plate (2) is slidably connected inside the processing box (1); a crushing box (3) is fixedly connected to the top of the processing box (1); a crushing roller (4) is installed in the crushing box (3), characterized in that: The bottom of the processing box (1) is provided with a material discharge port; An auxiliary mechanism (5) is provided in the processing box (1), and the auxiliary mechanism (5) comprises a driving rod (51) rotatably connected to the inner bottom wall of the processing box (1); the top of the filter screen plate (2) is rotatably connected to a transmission rod (52); the outer wall of the transmission rod (52) is fixedly connected to a grinding blade (53); the top of the driving rod (51) passes through the filter screen plate (2) and the transmission rod (52) in sequence; the outer wall of the driving rod (51) is fixedly connected to a first bevel gear (54); the inner wall of the processing box (1) is fixedly connected to a support block; one side of the support block is rotatably connected to a positioning rod (56); the outer wall of the positioning rod (56) is fixedly connected to a second bevel gear (55); the first bevel gear (54) is meshed with the second bevel gear (55); the other end of the positioning rod (56) is fixedly connected to a toggle block (57).

2. A crushing device according to claim 1, characterized in that: The inner bottom wall of the processing box (1) is fixedly connected to a protection box (6), and through holes matching the positioning rods (56) are provided on both sides of the protection box (6), and sealing gaskets are provided in the through holes.

3. A crushing device according to claim 2, characterized in that: A blanking plate (7) is fixedly connected to the top of the rolling box (3), and both ends of the toggle block (57) are arranged to be elliptical.

4. A crushing device according to claim 3, characterized in that: A protective ring (8) is fixedly connected to the bottom of the filter screen plate (2), and a sealing gasket is provided on the outer wall of the protective ring (8).

5. A crushing device according to claim 4, characterized in that: A material guide plate (9) is fixedly connected to the inner side wall of the processing box (1), and a material guide groove is provided on the top of the material guide plate (9). The material guide groove is arranged in a pot shape that is wide at the top and narrow at the bottom.

6. A crushing device according to claim 5, characterized in that: Both sides of the processing box (1) are fixedly connected with an air exchange box (10) with a filter screen, and a fan is installed in the air exchange box (10).

7. A crushing device according to claim 6, characterized in that: The top end of the support block is configured to be conical, the bottom of the processing box (1) is fixedly connected to an electric telescopic rod (11), the output end of the electric telescopic rod (11) is fixedly connected to a transmission block, and a side surface of the transmission block close to a material discharge port is fixedly connected to a shielding plate (12).

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