CN117101788A - Cereal rubbing crusher convenient to it is clean - Google Patents

Abstract

The invention relates to the technical field of grain processing, in particular to a grain grinder convenient to clean, which comprises a shell, an annular screen plate, a horizontal shaft, a rotating disc, movable steel teeth, a centrifugal transmission assembly, fixed cylinder teeth and a motor.

Description

Cereal rubbing crusher convenient to it is clean

Technical Field

The invention relates to the technical field of grain processing, in particular to a grain grinder convenient to clean.

Background

The food pulverizer utilizes the high-speed rotation and impact of the pulverizing blade to realize the general pulverization of dry materials, is suitable for processing agricultural product materials such as straws and the like, and has the advantages of high working efficiency, simple operation and product fineness up to 200 meshes. It is composed of crushing chamber, crushing blade, high-speed motor, etc. The materials are directly put into a crushing chamber, the cover of the crushing chamber is screwed, and the crushing can be completed after the machine is started for 1 to 3 minutes. However, the crushing blade of the existing grain crusher is fixed at the bottom of the crushing chamber, the crushing force is small, horsepower needs to be increased, in addition, the crushing blade is fixed at the bottom of the crushing chamber, the crushing blade and the crushing chamber are not easy to clean and maintain, grain dust is easy to remain at the bottom, bacteria are bred, meanwhile, the residual grain dust can pollute the grain crusher, and the service life of the grain crusher is reduced.

Chinese patent CN209061295U discloses a grain pulverizer convenient for cleaning, comprising a pulverizing cylinder, wherein the pulverizing cylinder is transversely arranged, a rotating shaft is arranged in the pulverizing cylinder, two groups of pulverizing cutter heads are arranged on the rotating shaft side by side, each group of pulverizing cutter heads comprises more than two pulverizing blades, the included angles between the pulverizing blades of each group are equal, and the two groups of pulverizing blades are mutually staggered; a plurality of groups of cutting blades are uniformly fixed on the inner top wall of the crushing cylinder at intervals; the other side of the crushing cylinder is hinged with a crushing cylinder cover, the crushing cylinder cover is provided with an upward-inclined feed inlet, and the feed inlet is positioned at the upper half part of the crushing cylinder cover; the bottom of the crushing cylinder is provided with a discharge hole.

The grain grinder has limited grinding precision, and the ground grains are easy to adhere to the inner wall of the grinding cylinder.

Disclosure of Invention

To above-mentioned problem, provide a cereal rubbing crusher convenient to clean, through set up the annular sieve of encircling activity steel tooth and fixed steel tooth in the casing, make cereal by the activity steel tooth of relative motion and fixed steel tooth constantly smash after getting into annular sieve, can filter kibbling cereal through annular sieve, simultaneously when the rotor reaches the preset rotational speed, the activity steel tooth can the butt rotate at the inner wall of annular sieve, thereby clear up the inner wall of annular sieve, simultaneously because of the activity steel tooth deflection, make the activity steel tooth when rotatory along the circumference of horizontal axis, the sieve mesh of annular sieve is passed through to the air can be guided to the activity steel tooth, thereby clear up the sieve mesh of annular sieve, current cereal rubbing crusher crushing precision is not enough has been solved, and difficult clear problem.

In order to solve the problems in the prior art, the invention provides a grain grinder convenient to clean, which comprises a machine shell, an annular screen plate, a horizontal shaft, a rotating disc, movable steel teeth, a centrifugal transmission component, fixed cylinder teeth and a motor, wherein the annular screen plate is axially and horizontally arranged in the machine shell, a discharge port is arranged at the bottom end of the machine shell, a feed port communicated with an inner cavity of the annular screen plate is arranged at the end side of the machine shell, the horizontal shaft is coaxially and rotatably arranged in the annular screen plate, the rotating disc is coaxially and fixedly arranged on the horizontal shaft, the movable steel teeth are circumferentially and rotatably arranged at one end of the rotating disc, the centrifugal transmission component is connected with the movable steel teeth, the fixed steel teeth are circumferentially arranged on the inner wall of the machine shell, the movable steel teeth and the fixed steel teeth are staggered, the motor is arranged outside the machine shell, and an output shaft of the motor is in transmission connection with the horizontal shaft.

Preferably, the outer circumferential surface of the annular sieve plate and the inner wall of the casing form a discharge cavity, the discharge cavity is communicated with the discharge port, the inner circumferential surface of the annular sieve plate and the end surface of the rotating disc, and the side wall of the casing form a filter cavity, the movable steel teeth and the fixed steel teeth are arranged in the filter cavity, and the filter cavity is communicated with the feed port.

Preferably, one end of the movable steel tooth is provided with a fixed shaft, and the fixed shaft penetrates through the rotating disc and is in rotating fit with the rotating disc; a first sliding groove is formed in one end face of the rotating disc along the circumferential direction, and extends along the radial direction of the rotating disc; the centrifugal transmission assembly comprises a polish rod, a sliding block, a spring, a shifting handle and a transmission rod, wherein the polish rod is arranged in the first sliding groove along the radial direction of the rotating disc, the sliding block is arranged in the first sliding groove in a sliding manner, the polish rod penetrates through the sliding block and is in sliding fit with the sliding block, the spring is sleeved on the polish rod, one end of the shifting handle is connected with the fixed shaft, and two ends of the transmission rod are respectively connected with the sliding block and the other end of the shifting handle in a rotating manner.

Preferably, both ends of the first sliding groove are also provided with a step groove; the centrifugal transmission assembly further comprises a connecting seat, wherein the connecting seat is provided with a transverse plate extending into the first sliding groove along the transverse direction and a longitudinal plate extending to the step groove along the longitudinal direction, and the polished rod is fixedly arranged between the two transverse plates.

Preferably, the centrifugal transmission assembly further comprises a poking seat, a first poking column and a first rotating ring, wherein the poking seat is arranged on the polish rod in a sliding manner, the spring is positioned between the sliding block and the poking seat, the first poking column is fixedly arranged on the poking seat, the first rotating ring is coaxially and rotatably arranged at one end of the first rotating ring, a first chute is axially arranged at the inner periphery of the first rotating ring, and the first poking column is slidably arranged on the first chute.

Preferably, the centrifugal transmission assembly further comprises a positioning bolt, an arc-shaped groove is formed in the first rotating ring along the circumferential direction of the first rotating ring, and the positioning bolt penetrates through the arc-shaped groove and is in threaded connection with the first rotating ring.

Preferably, the casing is further provided with a placement cavity separated from the filtering cavity, the fixed steel teeth are slidably arranged on the inner wall of the casing along the radial direction, the pulverizer further comprises an adjusting assembly for adjusting the distance between the fixed steel teeth and the movable steel teeth, the adjusting assembly comprises a second rotating ring, a second stirring column and a rotating adjusting piece, the second rotating ring is coaxially and rotatably arranged in the placement cavity, a second chute is arranged on the second rotating ring along the circumferential direction of the second rotating ring, the second stirring column is fixedly arranged at one end of the fixed steel teeth, the second stirring column penetrates through the second chute and is in sliding fit with the second chute, the rotating adjusting piece is arranged on the casing and is in transmission connection with the second rotating ring, and the rotating adjusting piece is used for adjusting the rotating angle of the second rotating ring.

Preferably, the second rotating ring is provided with a fan-shaped groove, the outer arch surface of the fan-shaped groove is provided with teeth, the rotation adjusting piece comprises a gear, a driving shaft and a deflector rod, the gear is rotationally arranged in the fan-shaped groove, the gear is meshed with the teeth, the driving shaft penetrates through the shell and is rotationally connected with the shell, one end of the driving shaft is fixedly connected with the gear, the other end of the driving shaft is fixedly connected with the deflector rod, and the deflector rod extends along the radial direction of the driving shaft.

Preferably, an external thread cylinder coaxial with the driving shaft is fixedly arranged on the outer side of the casing, the rotation adjusting piece further comprises an internal thread cylinder, a first abutting ring coaxial with the driving shaft is arranged on the circumferential surface of the driving shaft, the internal thread cylinder is coaxially screwed on the external thread cylinder, a second abutting ring coaxial with the internal thread cylinder is arranged at one end of the internal thread cylinder, and the second abutting ring can abut against the first abutting ring to lock the first abutting ring.

Preferably, a separation disc used for being abutted to one end of the annular sieve plate is arranged in the casing, a placement cavity is formed between the separation disc and the inner wall of the casing, a second sliding groove distributed along the circumferential direction of the separation disc is formed in the separation disc, a connecting bolt is arranged at one end of each fixed steel tooth, penetrates through the second sliding groove and is in sliding fit with the second sliding groove, the adjusting assembly further comprises a sealing plate, the sealing plate is arranged on one side of the partition plate in a sliding manner in the radial direction of the partition plate, the connecting bolt is fixedly connected with the sealing plate, and the second stirring column is fixedly arranged on the sealing plate.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the annular screen plate surrounding the movable steel teeth and the fixed steel teeth is arranged in the shell, so that grains are crushed continuously by the movable steel teeth and the fixed steel teeth which move relatively after entering the annular screen plate, the crushed grains can be screened by the annular screen plate, meanwhile, when the rotating disc reaches a preset rotating speed, the movable steel teeth can be abutted against the inner wall of the annular screen plate to rotate, so that the inner wall of the annular screen plate is cleaned, and meanwhile, due to the deflection of the movable steel teeth, the movable steel teeth can guide air to pass through the sieve holes of the annular screen plate when rotating along the circumferential direction of the horizontal shaft, so that the sieve holes of the annular screen plate are cleaned.

Drawings

Fig. 1 is a perspective view of a grain grinder for easy cleaning.

Fig. 2 is a perspective cross-sectional view of a grain grinder for easy cleaning.

Fig. 3 is a cross-sectional view of a grain grinder for easy cleaning.

Fig. 4 is a partial enlarged view at a of fig. 3.

Fig. 5 is a partial enlarged view at B of fig. 3.

Fig. 6 is a partial enlarged view at C of fig. 3.

Fig. 7 is an exploded perspective view of a grain grinder for easy cleaning.

Fig. 8 is a perspective view of a rotatable disk and centrifugal drive assembly in a grain grinder for ease of cleaning.

Fig. 9 is an exploded perspective view of a fixed steel tooth and adjustment assembly in a grain grinder for easy cleaning at a first viewing angle.

Fig. 10 is an exploded perspective view of a fixed steel tooth and adjustment assembly in a second view of a grain grinder for easy cleaning.

The reference numerals in the figures are: 1-a shell; 11-a feed inlet; 12-a discharge hole; 13-a discharge cavity; 14-a filter chamber; 15-placing the cavity; 16-an external thread cylinder; 17-separating discs; 171-a second sliding groove; 18-feeding hopper; 2-an annular sieve plate; 3-horizontal axis; 4-rotating a disc; 41-a first sliding groove; 5-movable steel teeth; 51-a fixed shaft; 6-a centrifugal transmission assembly; 611-polish rod; 612-sliding blocks; 613-springs; 614-a shifter handle; 615-drive rod; 62-connecting seats; 65-toggle seat; 651-first toggle post; 66-a first rotating ring; 661-a first chute; 662-arc-shaped grooves; 67-positioning bolts; 7-fixing steel teeth; 8-a motor; 91-a second rotating ring; 911-a fan-shaped groove; 912-a second chute; 92-a second toggle post; 93-rotating the adjusting member; 931-gear; 932-a drive shaft; 9321-a first abutment ring; 933—a toggle lever; 934—an internal thread cylinder; 9341-a second abutment ring; 94-sealing plate.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

As shown in fig. 1, 2, 3 and 7, the present invention provides:

the utility model provides a cereal rubbing crusher convenient to it is clean, includes casing 1, cyclic annular sieve 2, horizontal axis 3, rolling disc 4, activity steel tooth 5, centrifugal drive subassembly 6, fixed jar tooth and motor 8, cyclic annular sieve 2 axial level sets up in the casing 1, the bottom of casing 1 is provided with discharge gate 12, the end side of casing 1 be provided with the feed inlet 11 of the inner chamber intercommunication of cyclic annular sieve 2, horizontal axis 3 coaxial rotation ground sets up in cyclic annular sieve 2, rolling disc 4 coaxial fixation sets up on horizontal axis 3, activity steel tooth 5 sets up along circumference rotation ground is in one end of rolling disc 4, centrifugal drive spare sets up along circumference sets up the other end of rolling disc 4, centrifugal drive subassembly 6 with activity steel tooth 5 is connected, fixed steel tooth 7 is followed the circumference of rolling disc 4 sets up the inner wall of casing 1, activity steel tooth 5 and fixed steel tooth 7 are crisscross when motor setting up, 8 sets up when smashing material steel tooth 7 on the horizontal axis 3 the output shaft 8 is connected.

The machine shell 1 is provided with a main shell and a sub-shell which is rotatably connected with the main shell, and the sub-shell can be opened relative to the main shell so as to clean the main shell conveniently.

When using, throw in cereal through feed inlet 11 to the inner chamber of annular sieve 2, the sieve mesh of annular sieve 2 is less than not kibbling cereal, start motor 8, motor 8 drives horizontal axis 3 and rotates in casing 1, and then make rolling disc 4 drive movable steel tooth 5 and rotate in annular sieve 2, because of fixed steel tooth 7 is fixed, the mutual crisscross cereal of smashing between movable steel tooth 5 and the fixed steel tooth 7, the diameter is less than the smashing thing of sieve mesh and outwards discharges through discharge gate 12 after passing through annular sieve 2, the diameter is greater than the smashing thing of sieve mesh and continues to be smashed in annular sieve 2.

When cleaning, the motor 8 is controlled to drive the annular sieve plate 2 to rotate at a high speed, when the rotating speed of the rotating disc 4 exceeds a preset value, the centrifugal transmission assembly 6 is enabled to drive the movable steel teeth 5 to deflect on the rotating disc 4 under the action of centrifugal force, and then the deflected movable steel teeth 5 are enabled to be abutted against the inner circumferential surface of the annular sieve plate 2, so that grains adhered to the inner circumferential surface of the annular sieve plate are removed, and meanwhile, the deflected movable steel teeth 5 can guide airflow to pass through sieve holes of the annular sieve plate 2, so that the grains blocked in the sieve holes are cleaned.

This embodiment is through setting up the annular sieve plate 2 that encircles movable steel tooth 5 and fixed steel tooth 7 in casing 1 for cereal is constantly smashed by relative motion's movable steel tooth 5 and fixed steel tooth 7 after getting into annular sieve plate 2, can filter kibbling cereal through annular sieve plate 2, simultaneously when rotor 4 reaches preset rotational speed, movable steel tooth 5 can butt rotate at annular sieve plate 2's inner wall, thereby clear up annular sieve plate 2's inner wall, simultaneously because of movable steel tooth 5 deflection, make movable steel tooth 5 when rotatory along the circumference of horizontal axis 3, movable steel tooth 5 can guide the air through annular sieve plate 2's sieve mesh, thereby clear up annular sieve plate 2's sieve mesh.

As shown in fig. 3, the outer circumferential surface of the annular sieve plate 2 and the inner wall of the casing 1 form a discharge cavity 13, the discharge cavity 13 is communicated with the discharge port 12, the inner circumferential surface of the annular sieve plate 2 and the end surface of the rotating disc 4, and the side wall of the casing 1 form a filter cavity 14, the movable steel teeth 5 and the fixed steel teeth 7 are arranged in the filter cavity 14, and the filter cavity 14 is communicated with the feed port 11.

Grain is put into the filter cavity 14 through the feed inlet 11, the movable steel teeth 5 and the fixed steel teeth 7 are staggered in the filter cavity 14 to crush the grain, the grain with the diameter smaller than that of the sieve holes of the filter cavity 14 enters the discharge cavity 13, and the discharge cavity 13 is annular, so that the crushed grain slides downwards along the annular inner wall of the discharge cavity 13, and is discharged outwards through the discharge port 12.

As shown in fig. 3, 5 and 8, one end of the movable steel tooth 5 is provided with a fixed shaft 51, and the fixed shaft 51 penetrates through the rotating disc 4 and is in rotating fit with the rotating disc 4; a first sliding groove 41 is formed in one end surface of the rotating disc 4 along the circumferential direction, and the first sliding groove 41 extends along the radial direction of the rotating disc 4; the centrifugal transmission assembly 6 comprises a polish rod 611, a sliding block 612, a spring 613, a shifting handle 614 and a transmission rod 615, wherein the polish rod 611 is arranged in the first sliding groove 41 along the radial direction of the rotating disc 4, the sliding block 612 is slidably arranged in the first sliding groove 41, the polish rod 611 penetrates through the sliding block 612 and is slidably matched with the sliding block 612, the spring 613 is sleeved on the polish rod 611, one end of the shifting handle 614 is connected with the fixed shaft 51, and two ends of the transmission rod 615 are respectively connected with the sliding block 612 and the other end of the shifting handle 614 in a rotating mode.

When the rotation speed of the rotating disc 4 is lower than a preset value, the centrifugal force borne by the sliding block 612 is smaller than the elastic force of the spring 613, so that the sliding block 612 cannot slide on the polished rod 611, and further the driving lever 614 cannot be guided to rotate through the driving rod 615, so that the movable steel teeth 5 and the fixed steel teeth 7 can be staggered to crush grains.

When the rotating speed of the rotating disc 4 is higher than a preset value, the centrifugal force borne by the sliding block 612 is greater than the elastic force of the spring 613, so that the sliding block 612 can slide on the polished rod 611, and then the driving rod 615 guides the shifting handle 614 to rotate, so that the fixed shaft 51 drives the movable steel teeth 5 to rotate at one end of the rotating disc 4, the sliding steel teeth deflect and abut against the inner circumferential surface of the annular sieve plate 2, and when the movable steel teeth 5 rotate, the deflected movable steel teeth 5 can scrape grains on the inner wall of the annular sieve plate 2, and meanwhile, the deflected movable steel teeth 5 can guide air to pass through sieve holes, so that the sieve holes are cleaned.

As shown in fig. 5 and 8, the two ends of the first sliding groove 41 are further provided with stepped grooves; the centrifugal drive assembly 6 further comprises a connecting seat 62, the connecting seat 62 is provided with a transverse plate extending into the first sliding groove 41 along the transverse direction and a longitudinal plate extending to the step groove along the longitudinal direction, and the polish rod 611 is fixedly arranged between the two transverse plates.

By disposing the cross plates in the stepped grooves and disposing the polish rod 611 between the two cross plates, the polish rod 611 can be stably disposed in the first slide groove 41, so that the slide block 612 penetrated by the polish rod 611 can be stably slid in the first slide groove 41.

As shown in fig. 8, the centrifugal transmission assembly 6 further includes a stirring seat 65, a first stirring post 651 and a first rotating ring 66, the stirring seat 65 is slidably disposed on the polished rod 611, a spring 613 is located between the sliding block 612 and the stirring seat 65, the first stirring post 651 is fixedly disposed on the stirring seat 65, the first rotating ring 66 is coaxially and rotatably disposed at one end of the first rotating ring 66, a first chute 661 is axially disposed at an inner periphery of the first rotating ring 66, and the first stirring post 651 is slidably disposed on the first chute 661.

In order to adjust the elastic force of all the springs 613 so as to adjust the preset value of the rotation of the rotating disc 4, the first rotating ring 66 is rotationally arranged at one end of the rotating disc 4, the rotating seat is slidingly arranged on the polished rod 611, and the first poking post 651 is slidingly arranged on the first chute 661, so that when the first rotating ring 66 rotates, the first poking rod is moved along the radial direction of the rotating disc 4 under the action of the first chute 661, and then the distance between the sliding block 612 and the poking seat 65 can be adjusted, and the elastic force of the springs 613 can be adjusted, so that when the rotating disc 4 reaches a certain rotating speed, the sliding block 612 slides against the elastic force of the springs 613.

As shown in fig. 8, the centrifugal transmission assembly 6 further includes a positioning pin 67, the first rotating ring 66 is circumferentially provided with an arc slot 662, and the positioning pin 67 is threaded with the first rotating ring 66 after passing through the arc slot 662.

Through passing the positioning bolt 67 through the arc-shaped groove 662 and then being in threaded connection with the rotating disc 4, namely after unscrewing the positioning bolt 67 relative to the rotating disc 4, the first rotating ring 66 can rotate a certain angle at one end of the rotating disc 4, so that the distance between the sliding block 612 and the poking seat 65 can be conveniently adjusted, and meanwhile, after screwing the positioning bolt 67, the first rotating ring 66 can be fixedly arranged at one end of the rotating disc 4, so that the first rotating ring 66 is prevented from rotating by itself.

As shown in fig. 3, 4, 9 and 10, the housing 1 is further provided with a placement cavity 15 separated from the filter cavity 14, the fixed steel teeth 7 are slidably disposed on the inner wall of the housing 1 in a radial direction, the pulverizer further comprises an adjusting assembly for adjusting the distance between the fixed steel teeth 7 and the movable steel teeth 5, the adjusting assembly comprises a second rotating ring 91, a second stirring post 92 and a rotating adjusting member 93, the second rotating ring 91 is coaxially and rotatably disposed in the placement cavity 15, a second chute 912 is disposed on the second rotating ring 91 along the circumferential direction thereof, the second stirring post 92 is fixedly disposed at one end of the fixed steel teeth 7, the second stirring post 92 passes through the second chute 912 and is slidably matched with the second chute, the rotating adjusting member 93 is disposed on the housing 1 and is in transmission connection with the second rotating ring 91, and the rotating adjusting member 93 is used for adjusting the rotating angle of the second rotating ring 91.

For adjusting the staggered spacing of the movable steel teeth 5 and the fixed steel teeth 7, the outer end of the casing 1 is provided with a rotary adjusting piece 93 for adjusting the rotation angle of the second rotary ring 91 in the placement cavity 15, meanwhile, the second stirring block is slidably matched with the second chute 912, and the second stirring block is slidably arranged on the inner wall of the casing 1 along the radial direction of the rotary disc 4, so that the fixed steel teeth 7 connected with the second stirring block can move in the casing 1 along the radial direction of the rotary disc 4 when the second rotary ring 91 rotates, and the staggered spacing of the movable steel teeth 5 and the fixed steel teeth 7 can be adjusted, so that the crushing degree of the movable steel teeth 5 and the fixed steel teeth 7 to grains is adjusted.

As shown in fig. 9 and 10, the second rotating ring 91 is provided with a fan-shaped groove 911, the outer arch surface of the fan-shaped groove 911 is provided with teeth, the rotation adjusting member 93 includes a gear 931, a driving shaft 932 and a deflector 933, the gear 931 is rotatably disposed in the fan-shaped groove 911, the gear 931 is meshed with the teeth, the driving shaft 932 penetrates through the casing 1 and is rotatably connected with the casing, one end of the driving shaft 932 is fixedly connected with the gear 931, the other end of the driving shaft 932 is fixedly connected with the deflector 933, and the deflector 933 extends along the radial direction of the driving shaft 932.

In use, the lever 933 is shifted so that the drive shaft 932 drives the gear 931 to rotate in the sector groove 911, and the gear 931 meshes with the teeth so that rotation of the gear 931 can drive the second rotation ring 91 to rotate a certain angle in the setting chamber 15, thereby adjusting the staggered spacing of the fixed steel teeth 7 and the movable steel teeth 5.

As shown in fig. 6, an external thread cylinder 16 coaxial with the driving shaft 932 is fixedly disposed on the outer side of the casing 1, the rotation adjusting member 93 further includes an internal thread cylinder 934, a first abutment ring 9321 coaxial with the driving shaft 932 is disposed on the circumferential surface of the driving shaft 932, the internal thread cylinder 934 is coaxially screwed on the external thread cylinder 16, a second abutment ring 9341 coaxial with the internal thread cylinder 934 is disposed at one end of the internal thread cylinder 934, and the second abutment ring 9341 can abut on the first abutment ring 9321 to lock the first abutment ring.

When the internal thread cylinder 934 is screwed relative to the external thread cylinder 16, the second abutting ring 9341 is separated from the first abutting ring 9321, so that the drive shaft 932 can rotate on the casing 1, so that the angle of the second rotating ring 91 in the installation cavity 15 can be adjusted, and when the rotating shaft needs to be locked, the internal thread cylinder 934 is screwed relative to the external thread cylinder 16, so that the second abutting ring 9341 abuts on the first abutting ring 9321, and the rotating shaft is locked by friction force.

As shown in fig. 4, a separation disc 17 is disposed in the casing 1 and is used for abutting against one end of the annular screen plate 2, a placement cavity 15 is formed between the separation disc 17 and the inner wall of the casing 1, a second sliding groove 171 distributed along the circumferential direction of the separation disc 17 is disposed on the separation disc 17, a connecting bolt is disposed at one end of the fixed steel tooth 7, penetrates through the second sliding groove 171 and is in sliding fit with the second sliding groove, the adjusting assembly further comprises a sealing plate 94, the sealing plate 94 is slidably disposed on one side of the separating plate along the radial direction of the separating plate, the connecting bolt is fixedly connected with the sealing plate 94, and the second stirring post 92 is fixedly disposed on the sealing plate 94.

By providing the partition plate 17 in the casing 1 such that the second rotating ring 91 can be provided between the partition plate 17 and the inner wall of the casing 1, while the fixed steel teeth 7 are slidably provided on the partition plate 17 in the radial direction, no grains are prevented from entering the placement cavity 15 through the second sliding groove 171, the second toggle post 92 and the connecting bolt are connected by the sealing plate 94 such that the sealing plate 94 always abuts against one end of the second sliding groove 171 when the fixed steel teeth 7 slide, thereby sealing the second sliding groove 171 from entering the placement cavity 15.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (10)

1. The utility model provides a cereal rubbing crusher convenient to it is clean, its characterized in that includes casing (1), annular sieve (2), horizontal axis (3), rolling disc (4), activity steel tooth (5), centrifugal drive subassembly (6), fixed jar tooth and motor (8), annular sieve (2) axial level sets up in casing (1), the bottom of casing (1) is provided with discharge gate (12), the end side of casing (1) be provided with feed inlet (11) of the inner chamber intercommunication of annular sieve (2), horizontal axis (3) coaxial rotation ground sets up in annular sieve (2), rolling disc (4) coaxial rotation ground sets up on horizontal axis (3), activity steel tooth (5) are in along circumference rotation ground sets up in the one end of rolling disc (4), centrifugal drive spare sets up along circumference setting is in rolling disc (4) other end, centrifugal drive subassembly (6) and activity steel tooth (5) are connected when steel tooth (7) are fixed steel tooth (7) are in during rolling disc (7) steel tooth (7) are fixed in circumference, the motor (8) is arranged outside the shell (1), and an output shaft of the motor (8) is in transmission connection with the horizontal shaft (3).

2. A grain grinder convenient to clean according to claim 1, characterized in that the outer circumferential surface of the annular screen plate (2) and the inner wall of the casing (1) form a discharge cavity (13), the discharge cavity (13) is communicated with the discharge port (12), the inner circumferential surface of the annular screen plate (2) and the end surface of the rotating disc (4), and the side wall of the casing (1) form a filter cavity (14), the movable steel teeth (5) and the fixed steel teeth (7) are arranged in the filter cavity (14), and the filter cavity (14) is communicated with the feed port (11).

3. A grain grinder facilitating cleaning according to claim 2, characterized in that one end of the movable steel tooth (5) is provided with a fixed shaft (51), the fixed shaft (51) penetrating the rotating disc (4) and being in rotational engagement therewith; a first sliding groove (41) is formed in one end face of the rotating disc (4) along the circumferential direction, and the first sliding groove (41) extends along the radial direction of the rotating disc (4); centrifugal drive subassembly (6) include polished rod (611), sliding block (612), spring (613), thumb lever (614) and transfer line (615), polished rod (611) are followed radial setting of rotor disc (4) is in first sliding groove (41), sliding block (612) slidingly set up in first sliding groove (41), polished rod (611) run through sliding block (612) and with its sliding fit, spring (613) cover is established on polished rod (611), the one end of thumb lever (614) with fixed axle (51) are connected, the both ends of transfer line (615) respectively with sliding block (612) with the other end of thumb lever (614) rotates to be connected.

4. A grain grinder for facilitating cleaning according to claim 3, wherein the first sliding groove (41) is further provided at both ends thereof with stepped grooves; the centrifugal transmission assembly (6) further comprises a connecting seat (62), the connecting seat (62) is provided with a transverse plate extending into the first sliding groove (41) along the transverse direction and a longitudinal plate extending to the step groove along the longitudinal direction, and the polished rod (611) is fixedly arranged between the two transverse plates.

5. The grain grinder convenient to clean according to claim 3 or 4, wherein the centrifugal transmission assembly (6) further comprises a poking seat (65), a first poking column (651) and a first rotating ring (66), the poking seat (65) is slidably arranged on the polish rod (611), a spring (613) is located between the sliding block (612) and the poking seat (65), the first poking column (651) is fixedly arranged on the poking seat (65), the first rotating ring (66) is coaxially and rotatably arranged at one end of the first rotating ring (66), a first chute (661) is axially arranged at the inner periphery of the first rotating ring (66), and the first poking column (651) is slidably arranged on the first chute (661).

6. A grain grinder facilitating cleaning according to claim 5, wherein the centrifugal drive assembly (6) further comprises a locating peg (67), the first rotating ring (66) being provided with an arc-shaped slot (662) circumferentially therealong, the locating peg (67) being threaded with the first rotating ring (66) after passing through the arc-shaped slot (662).

7. A grain grinder facilitating cleaning according to claim 2, wherein a placement chamber (15) separated from the filter chamber (14) is further provided in the housing (1), the fixed steel teeth (7) are slidably provided on an inner wall of the housing (1) in a radial direction, the grinder further comprises an adjusting assembly for adjusting a distance between the fixed steel teeth (7) and the movable steel teeth (5), the adjusting assembly comprises a second rotating ring (91), a second stirring post (92) and a rotating adjusting member (93), the second rotating ring (91) is coaxially and rotatably provided in the placement chamber (15), a second chute (912) is provided on the second rotating ring (91) along a circumferential direction thereof, the second stirring post (92) is fixedly provided at one end of the fixed steel teeth (7), the second stirring post (92) penetrates through the second chute (912) and is slidably engaged therewith, the rotating adjusting member (93) is provided on the housing (1) and is connected with the second rotating ring (91) for rotating the rotating adjusting member (93).

8. The grain grinder convenient to clean according to claim 7, wherein the second rotating ring (91) is provided with a fan-shaped groove (911), an outer arch surface of the fan-shaped groove (911) is provided with teeth, the rotation adjusting member (93) comprises a gear (931), a driving shaft (932) and a deflector rod (933), the gear (931) is rotatably arranged in the fan-shaped groove (911), the gear (931) is meshed with the teeth, the driving shaft (932) penetrates through the casing (1) and is rotatably connected with the casing, one end of the driving shaft (932) is fixedly connected with the gear (931), the other end of the driving shaft (932) is fixedly connected with the deflector rod (933), and the deflector rod (933) extends along the radial direction of the driving shaft (932).

9. The grain grinder convenient to clean according to claim 8, wherein an external thread cylinder (16) coaxial with the driving shaft (932) is fixedly arranged on the outer side of the casing (1), the rotation adjusting member (93) further comprises an internal thread cylinder (934), a first abutting ring (9321) coaxial with the driving shaft (932) is arranged on the circumferential surface of the driving shaft, the internal thread cylinder (934) is coaxially screwed on the external thread cylinder (16), a second abutting ring (9341) coaxial with the internal thread cylinder (934) is arranged at one end of the internal thread cylinder (934), and the second abutting ring (9341) can abut on the first abutting ring (9321) to lock the internal thread cylinder.

10. A grain grinder facilitating cleaning according to any one of claims 7 to 9, wherein a partition plate (17) for abutting against one end of the annular screen plate (2) is provided in the casing (1), a placement chamber (15) is formed between the partition plate (17) and an inner wall of the casing (1), second sliding grooves (171) distributed along a circumferential direction of the partition plate (17) are provided, one end of the fixed steel tooth (7) is provided with a connecting bolt, the connecting bolt penetrates through the second sliding grooves (171) and is in sliding fit with the second sliding grooves, the adjusting assembly further comprises a sealing plate (94), the sealing plate (94) is slidably arranged on one side of the partition plate in a radial direction of the partition plate, the connecting bolt is fixedly connected with the sealing plate (94), and the second stirring post (92) is fixedly arranged on the sealing plate (94).