Crusher for grain processing

Abstract

The utility model relates to the technical field of grain processing equipment, and discloses a crusher for grain processing, which comprises a casing, a crushing cavity is arranged in the casing, an access door is arranged on the front side of the casing corresponding to the crushing cavity, a feed pipe and a discharge pipe which are communicated with the crushing cavity are respectively embedded at the top and the bottom of the casing, and the feed pipe and the discharge pipe are communicated with the crushing cavity. A smashing assembly is arranged in the smashing cavity of the machine shell, and a feeding screening assembly is arranged between the machine shell and the feeding pipe. According to the coarse grain screening device, when coarse grains are intercepted through the screening net, the servo motor drives the rotating disc to rotate, and then the screening plate can be driven to swing left and right under the transmission action of the eccentric rod and the transmission rod, so that the mobility of the coarse grains is improved, the coarse grains are prevented from being blocked on the surface of the screening net, and the feeding progress of the coarse grains is ensured; and plug pin rods are inserted into different pin holes according to the net diameter of the screening net, the position of the screening net is adjusted, the screening net can be rapidly replaced according to different coarse grains, use is convenient, and applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of grain processing equipment, and more specifically to a pulverizer for grain processing. Background Art

[0002] In grain processing, a grinder is needed for coarse grain processing to break the coarse grains into different products.

[0003] After searching, the existing patent (publication number: CN217910854U) discloses a grain processing pulverizer, which uses the pulverizer to pulverize the grain during use, and when feeding the grain, a dust filter is set inside the feed hopper to filter the impurities in the grain, and the fixed frame and the dust filter are driven by the spring tension to snap into the through hole, and the fixed frame and the dust filter can be taken out by pressing the snap, which is convenient for operation. However, the inventor found that the prior art has the following problems in the process of realizing the utility model: the above-mentioned pulverizer uses a dust filter set at the feed pipe position of the pulverizer to intercept the impurities in the grain, which will block the normal feeding of the grain, and then affect the normal pulverization progress of the pulverizer, and the dust filter is not easy to replace. For different coarse grains, the particle size is different, and the dust filter proposed by the above-mentioned pulverizer has a fixed size. When it corresponds to different coarse grains, it has the defect of being difficult to apply and has poor applicability.

[0004] Therefore, the utility model proposes a grain processing pulverizer to solve the above problems. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a grain processing grinder to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a grain processing pulverizer, comprising a housing, a pulverizing chamber is provided inside the housing, an inspection door is provided on the front of the housing corresponding to the pulverizing chamber, a feed pipe and a discharge pipe connected to the pulverizing chamber are respectively embedded on the top and bottom of the housing, a pulverizing assembly is provided inside the pulverizing chamber, and a feed screening assembly is provided between the housing and the feed pipe;

[0007] The feed screening assembly includes a transverse slide groove opened on the left and right sides of the feed pipe, and a screening plate is slidably connected inside the transverse slide groove. A plurality of screening nets are embedded on the surface of the screening plate, and the mesh diameters of the plurality of screening nets are different. The widths of the plurality of screening nets are smaller than the inner cavity width of the feed pipe. A servo motor is fixedly installed on the top of the casing, and a turntable is fixedly installed on the surface of the output shaft of the servo motor. An eccentric rod is welded on the surface of the turntable, and a transmission rod is rotatably connected to the surface of the eccentric rod. A connecting frame is welded to the other end of the transmission rod, and a latch rod is inserted on the surface of the connecting frame. A positioning nut is threadedly connected to the surface of the latch rod, and a plurality of pin holes for inserting the latch rod are opened on the surface of the screening plate corresponding to the screening net.

[0008] Furthermore, the crushing assembly includes two crushing rollers rotatably connected inside the crushing chamber, the bottom end of the feed pipe faces the center position of the two crushing rollers, the two crushing rollers are connected through a gear plate transmission, and a reduction motor that drives a crushing roller to rotate is fixedly installed on the left side of the casing.

[0009] Furthermore, a discharge slide is welded to the inner bottom wall of the crushing chamber of the casing, and the lower end of the discharge slide corresponds to the upper opening position of the discharge pipe.

[0010] Furthermore, a feed speed regulating gate is inserted on the right side of the feed pipe, an adjusting screw is threadedly connected to the surface of the casing, and the threaded end of the adjusting screw is rotatably connected to the right end of the feed speed regulating gate.

[0011] Furthermore, a cleaning door is detachably mounted on the front side of the feed pipe by means of bolts, and the cleaning door corresponds to the position of the screening plate.

[0012] Furthermore, a dust collecting box is fixedly installed on the back of the casing, a dust collecting pipe is embedded on the front side of the dust collecting box, the air inlet end of the dust collecting pipe is connected to the inner cavity of the casing, an exhaust fan is fixedly installed on the top of the dust collecting box, and a dust filter is provided on the inner wall of the dust collecting box corresponding to the air inlet end of the exhaust fan.

[0013] Furthermore, a dust discharge port is provided at the bottom end of the dust collecting box, and a sealing plate for sealing the dust discharge port is inserted into the side of the dust collecting box.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The utility model allows coarse grains to enter the interior of the machine casing from a feed pipe, and the purpose of crushing the coarse grains is achieved by driving the crushing roller to rotate through a reduction motor. When the coarse grains are fed, a screening plate and a screening net are provided, so that some large impurities mixed in the coarse grains can be intercepted and filtered, thereby improving the quality of the coarse grains. When the coarse grains are intercepted by the screening net, the turntable is driven to rotate by a servo motor, and then the screening plate can be driven to swing left and right under the transmission action of the eccentric rod and the transmission rod, thereby improving the fluidity of the coarse grains, avoiding the coarse grains from being blocked on the surface of the screening net, and ensuring the feeding progress of the coarse grains. The position of the screening net can be adjusted by inserting the pin rod into different pin holes according to the mesh diameter of the screening net, so that the screening net can be quickly replaced according to different coarse grains. The utility model is convenient to use and has strong applicability.

[0016] 2. The utility model provides a cleaning door, which can be opened to clean the impurities remaining on the surface of the screening plate; the position of the feed speed regulating gate is adjusted by rotating the adjusting screw, and the coarse grains are intercepted by the feed speed regulating gate, so that the feed speed of the coarse grains can be adjusted; when the coarse grains are crushed, negative pressure can be drawn into the interior of the dust collecting box by starting the exhaust fan, and the negative pressure is transmitted to the inside of the crushing chamber through the dust collecting pipe, so that the dust generated by the crushing of the coarse grains can be sucked, and the dust can be intercepted and collected in the dust collecting box under the interception effect of the dust filter. After use, the sealing plate can be opened to clean the inside of the dust collecting box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from a viewing angle;

[0018] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from the second viewing angle;

[0020] Figure 4 It is a schematic diagram of the rear section structure of the dust collecting box of the utility model.

[0021] The accompanying drawings are marked as follows: 1. casing; 2. inspection door; 3. feed pipe; 4. discharge pipe; 5. screening plate; 6. screening net; 7. servo motor; 8. turntable; 9. eccentric rod; 10. transmission rod; 11. connecting frame; 12. latch rod; 13. pin hole; 14. crushing roller; 15. reduction motor; 16. discharge slide; 17. feed speed regulating gate; 18. adjusting screw; 19. cleaning door; 20. dust box; 21. dust collecting pipe; 22. exhaust fan; 23. dust filter; 24. sealing plate. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The grain processing grinder involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0023] Reference Figure 1-4 The utility model provides a grain processing grinder, including a casing 1, a grinding chamber is opened inside the casing 1, an inspection door 2 is arranged on the front of the casing 1 corresponding to the grinding chamber, a feed pipe 3 and a discharge pipe 4 connected to the grinding chamber are respectively embedded on the top and bottom of the casing 1, and a grinding assembly is arranged inside the grinding chamber of the casing 1.

[0024] The crushing assembly includes two crushing rollers 14 rotatably connected inside the crushing chamber, the bottom end of the feed pipe 3 faces the center position of the two crushing rollers 14, the two crushing rollers 14 are connected through a gear plate transmission, and a reduction motor 15 that drives one crushing roller 14 to rotate is fixedly installed on the left side of the casing 1.

[0025] A discharge slide 16 is welded to the inner bottom wall of the crushing chamber of the casing 1 , and the lower end of the discharge slide 16 corresponds to the upper opening position of the discharge pipe 4 .

[0026] When the grinder is used to process coarse grains, the grinder is first connected to an external power control system, and then the coarse grains enter the casing 1 from the feed pipe 3, and the crushing roller 14 is driven by the reduction motor 15 to rotate to achieve the purpose of crushing the coarse grains. The crushed coarse grains are discharged from the casing 1 from the discharge pipe 4 under the blocking action of the discharge slope 16.

[0027] A feed speed regulating gate 17 is inserted on the right side of the feed pipe 3 , and an adjusting screw 18 is threadedly connected to the surface of the casing 1 , and the threaded end of the adjusting screw 18 is rotatably connected to the right end of the feed speed regulating gate 17 .

[0028] When feeding coarse grains, the position of the feeding speed regulating gate 17 is adjusted by rotating the adjusting screw 18, and the feeding speed regulating gate 17 is used to partially intercept the coarse grains inside the feeding pipe 3, so that the feeding speed of the coarse grains can be adjusted.

[0029] A dust collecting box 20 is fixedly installed on the back of the casing 1, a dust collecting pipe 21 is embedded on the front side of the dust collecting box 20, the air inlet end of the dust collecting pipe 21 is connected to the inner cavity of the casing 1, an exhaust fan 22 is fixedly installed on the top of the dust collecting box 20, and a dust filter 23 is provided on the inner wall of the dust collecting box 20 corresponding to the air inlet end of the exhaust fan 22.

[0030] A dust discharge port is provided at the bottom end of the dust collecting box 20 , and a sealing plate 24 for sealing the dust discharge port is inserted into the side of the dust collecting box 20 .

[0031] On the other hand, when the coarse grains are crushed, by starting the exhaust fan 22, negative pressure can be drawn into the dust box 20, and the negative pressure is transmitted to the inside of the crushing chamber through the dust collecting pipe 21, so that the dust generated by the crushing of the coarse grains can be sucked, and the dust is intercepted and collected in the dust box 20 under the interception effect of the dust filter 23, so as to improve the quality of the crushed coarse grains. After use, the sealing plate 24 can be opened to discharge the collected dust and clean the inside of the dust box 20.

[0032] A feed screening assembly is provided between the casing 1 and the feed pipe 3 .

[0033] The feed screening assembly includes a transverse slide groove opened on the left and right sides of the feed pipe 3, and a screening plate 5 is slidably connected inside the transverse slide groove. A plurality of screening nets 6 are embedded on the surface of the screening plate 5, and the mesh diameters of the plurality of screening nets 6 are all different. The widths of the plurality of screening nets 6 are all smaller than the inner cavity width of the feed pipe 3. A servo motor 7 is fixedly installed on the top of the casing 1, and a turntable 8 is fixedly installed on the surface of the output shaft of the servo motor 7. An eccentric rod 9 is welded on the surface of the turntable 8, and a transmission rod 10 is rotatably connected to the surface of the eccentric rod 9. A connecting frame 11 is welded to the other end of the transmission rod 10, and a latch rod 12 is inserted on the surface of the connecting frame 11. A positioning nut is threadedly connected to the surface of the latch rod 12, and a plurality of pin holes 13 for inserting the latch rod 12 are opened on the surface of the screening plate 5 corresponding to the screening net 6.

[0034] Furthermore, when coarse grains are fed, by setting the screening plate 5 and the screening net 6, some large impurities mixed in the coarse grains can be intercepted and filtered to improve the quality of the coarse grains. When the screening net 6 is used to intercept the coarse grains, the turntable 8 is driven to rotate by the servo motor 7, and then under the transmission action of the eccentric rod 9 and the transmission rod 10, the screening plate 5 can be driven to swing left and right to improve the fluidity of the coarse grains, avoid the coarse grains from being blocked on the surface of the screening net 6, and ensure the feeding progress of the coarse grains. By inserting the pin rod 12 into different pin holes 13 according to the mesh diameter of the screening net 6, the position of the screening net 6 can be adjusted, and the screening net 6 can be quickly replaced according to the different coarse grains. It is easy to use, and the overall crusher has the advantage of strong applicability.

[0035] A cleaning door 19 is detachably mounted on the front side of the feed pipe 3 by means of bolts, and the cleaning door 19 corresponds to the position of the screening plate 5 .

[0036] After the use of the integral crusher is finished, the impurities remaining on the surface of the screening plate 5 can be cleaned by opening the cleaning door 19 .

[0037] Finally, it should be noted that: the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0038] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grain processing pulverizer, comprising a housing (1), characterized in that: The casing (1) has a crushing chamber formed inside, an inspection door (2) is provided on the front side of the casing (1) corresponding to the crushing chamber, a feed pipe (3) and a discharge pipe (4) connected to the crushing chamber are respectively embedded on the top and bottom of the casing (1), a crushing assembly is provided inside the crushing chamber of the casing (1), and a feed screening assembly is provided between the casing (1) and the feed pipe (3); The feed screening component comprises a transverse slide groove provided on the left and right sides of the feed pipe (3), a screening plate (5) is slidably connected inside the transverse slide groove, a plurality of screening nets (6) are embedded on the surface of the screening plate (5), and the net diameters of the plurality of screening nets (6) are all different, and the widths of the plurality of screening nets (6) are all smaller than the inner cavity width of the feed pipe (3), a servo motor (7) is fixedly installed on the top of the casing (1), a turntable (8) is fixedly installed on the output shaft surface of the servo motor (7), an eccentric rod (9) is welded on the surface of the turntable (8), a transmission rod (10) is rotatably connected to the surface of the eccentric rod (9), a connecting frame (11) is welded to the other end of the transmission rod (10), a latch rod (12) is inserted on the surface of the connecting frame (11), a positioning nut is threadedly connected to the surface of the latch rod (12), and a plurality of pin holes (13) for the latch rod (12) to be inserted are provided on the surface of the screening plate (5) corresponding to the screening net (6).

2. A grain processing pulverizer according to claim 1, characterized in that: The pulverizing assembly comprises two pulverizing rollers (14) rotatably connected inside the pulverizing chamber, the bottom end of the feed pipe (3) faces the center position of the two pulverizing rollers (14), the two pulverizing rollers (14) are connected through a gear plate transmission, and a reduction motor (15) for driving one pulverizing roller (14) to rotate is fixedly installed on the left side of the housing (1).

3. A grain processing pulverizer according to claim 1, characterized in that: The casing (1) is welded with a discharge slide (16) on the inner bottom wall of the pulverizing chamber, and the lower end of the discharge slide (16) corresponds to the upper opening position of the discharge pipe (4).

4. A grain processing pulverizer according to claim 1, characterized in that: A feed speed regulating gate (17) is inserted on the right side of the feed pipe (3), and an adjusting screw (18) is threadedly connected to the surface of the casing (1), and the threaded end of the adjusting screw (18) is rotatably connected to the right end of the feed speed regulating gate (17).

5. A grain processing pulverizer according to claim 1, characterized in that: A cleaning door (19) is detachably mounted on the front side of the feed pipe (3) via bolts, and the cleaning door (19) corresponds to the position of the screening plate (5).

6. A grain processing pulverizer according to claim 1, characterized in that: A dust collecting box (20) is fixedly mounted on the back of the casing (1), a dust collecting pipe (21) is embedded on one side of the front of the dust collecting box (20), an air inlet end of the dust collecting pipe (21) is connected to the inner cavity of the casing (1), an exhaust fan (22) is fixedly mounted on the top of the dust collecting box (20), and a dust filter (23) is arranged on the inner wall of the dust collecting box (20) corresponding to the air inlet end of the exhaust fan (22).

7. A grain processing pulverizer according to claim 6, characterized in that: A dust discharge port is provided at the bottom end of the dust collecting box (20), and a sealing plate (24) for sealing the dust discharge port is inserted into the side of the dust collecting box (20).

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