Flour production grinding device and method

Abstract

The invention discloses a flour milling device and method for flour production, and belongs to the technical field of flour production. A flour milling device for flour production comprises a flour milling box and a screening box, the screening box is fixedly connected to the top of the flour milling box, a screen is fixedly installed between the inner walls of the screening box, the flour milling device further comprises a sliding rail with a sliding block, the sliding rail is transversely and fixedly connected between the inner walls of the screening box, and the sliding block is arranged on the sliding rail. A driving part for driving the sliding block to slide along the sliding rail is arranged on the screening box; the cam is rotationally installed on the sliding block through a rotating shaft, a rubber hammer is installed on the sliding block, the bottom of the rubber hammer is fixedly connected with a connecting rod, the connecting rod makes contact with the surface of the cam, a connecting part is arranged between the sliding block and the sliding rail, and when the driving part drives the sliding block to slide, the connecting part drives the rubber hammer to impact the screen in a reciprocating mode; through cooperation of the driving part and the moving part, the rubber hammer continuously moves to impact the screen, and the screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flour production, and particularly relates to a flour production grinding device and method. BACKGROUND

[0002] Flour is a powder made from grinding cereal grains, and is widely used in cooking and baking, the types of flour differ according to their processing methods, protein content and uses, the main component of flour is starch, and it also contains protein, fat, vitamins and minerals, and is one of the staple foods of people.

[0003] In the production of flour, a grinding device is needed to process the wheat particles into powder.

[0004] However, the existing flour production grinding device obtains coarse powder and fine powder through grinding and vibration screening, and then the screened coarse powder is sent into the grinding machine again for secondary grinding to improve the fineness, but the position of vibration is fixed during vibration screening, and the position of vibration cannot be changed, resulting in low screening efficiency. SUMMARY

[0005] The present application aims to solve the problem in the prior art that the position of vibration is fixed during vibration screening, and the position of vibration cannot be changed, resulting in low screening efficiency, and provides a flour production grinding device and method.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] A flour production grinding device, comprising a grinding box and a screening box, the screening box is fixedly connected to the top of the grinding box, a screen is fixedly installed between the inner walls of the screening box, further comprising: a sliding rail with a sliding block, which is transversely fixedly connected between the inner walls of the screening box, wherein a driving part is arranged on the screening box to drive the sliding block to slide along the sliding rail; a cam is rotatably installed on the sliding block through a rotating shaft, wherein a rubber hammer is installed on the sliding block, a connecting rod is fixedly connected to the bottom of the rubber hammer, the connecting rod is in contact with the surface of the cam, and a connecting part is arranged between the sliding block and the sliding rail, when the driving part drives the sliding block to slide, the connecting part drives the rubber hammer to reciprocally impact the screen.

[0008] In order to drive the rubber hammer to move and impact the screen, preferably, the driving part comprises a first motor fixedly connected to the outside of the screening box, a threaded rod is fixedly connected to the output end of the first motor, a limiting rod is fixedly connected between the inner walls of the screening box, wherein a threaded block is threadedly connected to the threaded rod, the threaded block is slidably connected with the limiting rod, a connecting frame is fixedly connected between the threaded block and the sliding block, and the connecting frame is slidably connected with the screening box.

[0009] In order to drive the rubber hammer to move and hit the screen, further, the connecting part comprises a fixed plate fixedly connected to the connecting rod, a guide rod fixedly connected to the sliding block, and the fixed plate is in sliding connection with the guide rod, wherein the fixed plate and the sliding block are fixedly connected with a spring, the rotating shaft is fixedly connected with a transmission gear, the inner wall of the sliding rail is fixedly connected with a toothed plate, and the transmission gear is in meshing connection with the toothed plate.

[0010] In order to push the coarse powder out of the screen, preferably, the bottom of the threaded block is fixedly connected with a round rod, a push plate is slidingly installed on the round rod, the push plate is in contact with the surface of the screen, and the opposite surfaces of the push plate and the threaded block are both embeddedly installed with electromagnets.

[0011] In order to return the coarse powder into the grinding box, preferably, the top of the grinding box is provided with a feeding channel, one side of the screening box is provided with a discharge port, the discharge port and the inner wall of the screening box are fixedly connected with a flow guide plate, the screening box and the feeding channel are fixedly connected with a conveying cylinder, and the side of the screening box away from the discharge port is provided with a return port between the screening box and the screen.

[0012] In order to return the coarse powder into the grinding box, further, the inside of the conveying cylinder is rotatably installed with two first augers which are symmetrically arranged in the transverse direction through a first transmission shaft, the inside of the conveying cylinder is rotatably installed with a second auger which is arranged in the longitudinal direction through a second transmission shaft, and the top of the conveying cylinder is fixedly installed with a second motor, wherein the second transmission shaft is fixedly connected to the output end of the second motor, the conveying cylinder is rotatably installed with two third transmission shafts, the first bevel gears are fixedly connected to the third transmission shafts and the second transmission shaft, the two first bevel gears are in meshing connection, and the first belts are in transmission connection between the two third transmission shafts and the two first transmission shafts.

[0013] In order to drive the two grinding discs to rotate, preferably, the inside of the grinding box is rotatably installed with two grinding discs through a rotating pipe, the connecting part between the rotating pipe and the grinding disc is provided with a spline, the circumferential surface of the grinding disc is provided with a groove, the inside of the groove is rotatably installed with a grinding roller, the top of the grinding box is fixedly installed with a third motor, the output end of the third motor and the rotating pipe are fixedly installed with second bevel gears, and the two second bevel gears are in meshing connection.

[0014] In order to drive two grinding discs to open and close each other, further, the outside of the flour mill is rotatably provided with a reciprocating screw rod, the reciprocating screw rod is in transmission connection with the second belt between the rotating pipe, the reciprocating screw rod is in threaded connection with two symmetrically arranged sliding blocks, the grinding disc is rotatably provided with a connecting barrel, wherein the connecting barrel is in fixed connection with a connecting rod between the two connecting barrels and the two sliding blocks, the grinding disc is provided with two sliding grooves, the connecting rod is slidably arranged in the two sliding grooves, the connecting rod is fixedly connected with a baffle, and the baffle is attached to the inner wall of the grinding disc.

[0015] In order to clean the powder in the groove, preferably, the screening box is provided with an air bag on the side close to the connecting frame, the connecting frame is fixedly connected with a pressing plate on the side close to the air bag, the air bag is provided with an air outlet pipe, the rotating pipe is in rotation connection with the air outlet pipe, the interior of the grinding disc and the rotating pipe are respectively provided with an air chamber and an air outlet, the air outlet is arranged in the air chamber, and the air chamber and the groove are provided with an air channel.

[0016] A flour production method, the operation steps are as follows:

[0017] Step one: the raw materials are ground by the rotation and mutual opening and closing of the two grinding discs, and the powder falls on the screen through the screening box;

[0018] Step two: the air bag blows air into the groove to blow off the powder in the groove;

[0019] Step three: the rubber hammer is driven by the driving part and the connecting part to move and vibrate the screen;

[0020] Step four: the fine powder falls from the screen and is discharged through the discharge port, and the coarse powder is pushed into the conveying cylinder by the push plate;

[0021] Step five: the first auger and the second auger are used to send the coarse powder back to the flour mill for regrinding.

[0022] Compared with the prior art, the flour production grinding device has the following beneficial effects:

[0023] 1. The flour production grinding device drives the sliding block to slide transversely along the sliding rail through the driving part, drives the cam to rotate through the connecting part, drives the rubber hammer to move up and down through the connecting rod, so that the rubber hammer continuously moves and hits the screen, and different positions of the screen are vibrated, thereby improving the screening efficiency.

[0024] 2. The flour production grinding device, when the threaded block slides, the push plate is synchronously moved through the round rod, the push plate pushes the coarse powder on the screen into the conveying cylinder from the backflow port, so that the coarse powder on the screen can be discharged in time, the coarse powder is prevented from blocking the screen, and the screening efficiency is further improved.

[0025] 3. The flour production grinding device, by controlling the electromagnet, after completing a push, the two electromagnets are attracted, the push plate is attracted and combined with the threaded block, preventing the push plate from pushing back the coarse powder, which is beneficial to the discharge of the coarse powder.

[0026] 4. The flour production grinding device, through the transmission of the second belt, reciprocating wire rod, sliding block, connecting cylinder and connecting rod, the two grinding discs are driven to rotate and open and close each other, further grinding the raw materials, further improving the grinding effect.

[0027] 5. The flour production grinding device, during the pushing process, the connecting frame drives the pressing plate to extrude the air bag, the gas passes through the air outlet pipe, the rotating pipe, the air outlet, the air chamber and the air duct, blows into the groove and towards the grinding roller, preventing the powder from blocking the grinding roller and the groove, to ensure the normal use of the grinding roller, and also can cool the grinding roller, improve the service life of the grinding roller. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The present application provides a shaft structure schematic diagram of a flour production grinding device;

[0029] Figure 2 The present application provides a flour production grinding device Figure 1 The enlarged structure schematic diagram of A part;

[0030] Figure 3 The present application provides a flour production grinding device, the sieve box cut structure schematic diagram;

[0031] Figure 4 The present application provides a flour production grinding device, the sliding block cut structure schematic diagram;

[0032] Figure 5 The present application provides a flour production grinding device, the threaded block and push plate structure schematic diagram;

[0033] Figure 6 The present application provides a flour production grinding device, the conveying cylinder cut structure schematic diagram;

[0034] Figure 7 The present application provides a flour production grinding device, the grinding box cut structure schematic diagram;

[0035] Figure 8 The present application provides a flour production grinding device, the grinding disc cut structure schematic diagram.

[0036] In the figure: 1, flour box; 201, sliding rail; 202, sliding block; 203, first motor; 204, threaded rod; 205, limiting rod; 206, threaded block; 207, connecting frame; 301, rotating shaft; 302, cam; 303, rubber hammer; 304, connecting rod; 305, fixed plate; 306, guide rod; 307, spring; 308, transmission gear; 309, toothed plate; 4, screening box; 5, backflow port; 6, screen; 7, round rod; 8, push plate; 9, electromagnet; 10, feeding channel; 11, discharge port; 12, guide plate; 13, conveying cylinder; 14, first transmission shaft; 15, first auger; 16, second transmission shaft; 17, second auger; 18, second motor; 19, third transmission shaft; 20, first bevel gear; 21, first belt; 22, rotating pipe; 23, grinding disc; 24, groove; 25, grinding roller; 26, third motor; 27, second bevel gear; 28, reciprocating screw rod; 29, second belt; 30, sliding block; 31, connecting cylinder; 32, connecting rod; 33, sliding groove; 34, baffle; 35, air bag; 36, pressing plate; 37, air outlet pipe; 38, air chamber; 39, air outlet; 40, air channel. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0038] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation to the present application.

[0039] Embodiment one:

[0040] Reference Figures 1-8The utility model provides a flour production grinding device, including grinding box 1 and screening box 4, screening box 4 is fixedly connected at the top of grinding box 1, fixedly installed with screen 6 between the inner wall of screening box 4, still include: slide rail 201 with sliding block 202, transversely fixedly connected between the inner wall of screening box 4, wherein, screening box 4 is provided with the drive part of driving sliding block 202 along slide rail 201, cam 302 is rotatably installed on sliding block 202 through pivot 301, wherein, sliding block 202 is installed with rubber hammer 303, the bottom of rubber hammer 303 is fixedly connected with connecting rod 304, and one end of connecting rod 304 is in contact with the surface of cam 302, and connecting part is arranged between sliding block 202 and slide rail 201, when drive part drives sliding block 202 to slide, connecting part drives rubber hammer 303 to reciprocatingly hit screen 6, and the one end of connecting rod 304 in contact with cam 302 is provided as hemispherical.

[0041] Specifically, sliding block 202 is driven to slide along slide rail 201 transversely by the drive part, and cam 302 is driven to rotate by connecting part, and rubber hammer 303 is driven to move up and down by connecting rod 304, so that rubber hammer 303 moves and hits screen 6 constantly, different positions of screen 6 are vibrated, and the efficiency of screening is improved.

[0042] The drive part includes a first motor 203 fixedly connected to the outer side of the screening box 4, a threaded rod 204 fixedly connected to the output end of the first motor 203, and a limiting rod 205 fixedly connected between the inner walls of the screening box 4, wherein the threaded rod 204 is threadedly connected with a threaded block 206, the threaded block 206 is slidably connected with the limiting rod 205, a connecting frame 207 is fixedly connected between the threaded block 206 and the sliding block 202, the connecting frame 207 is slidably connected with the screening box 4, and the first motor 203 is electrically connected with an external power supply.

[0043] Specifically, the first motor 203 is started, the output end drives the threaded rod 204 to vibrate, and under the limitation of the limiting rod 205, the threaded block 206 slides along the limiting rod 205, and the threaded block 206 drives the sliding block 202 to slide along the slide rail 201 through the connecting frame 207.

[0044] The connecting part includes a fixed plate 305 fixedly connected to the connecting rod 304, a guide rod 306 fixedly connected to the sliding block 202, the fixed plate 305 is slidably connected with the guide rod 306, wherein a spring 307 is fixedly connected between the fixed plate 305 and the sliding block 202, a transmission gear 308 is fixedly connected to the pivot 301, the inner wall of the slide rail 201 is fixedly connected with a toothed plate 309, and the transmission gear 308 is meshingly connected with the toothed plate 309.

[0045] Specifically, when the slider 202 slides, the transmission gear 308 is connected with the gear plate 309, so that the transmission gear 308 drives the cam 302 to rotate, the cam 302 extrudes the connecting rod 304 to drive the rubber hammer 303 to move upward, the connecting rod 304 drives the fixed plate 305 to slide on the guide rod 306 and compresses the spring 307, the spring 307 resets, so that the rubber hammer 303 descends, thereby driving the rubber hammer 303 to move up and down continuously.

[0046] Embodiment two:

[0047] Referring to Figure 3 And Figures 5-6 The embodiment is basically the same as the first embodiment, and further specifically discloses a specific implementation scheme of re-feeding the coarse powder on the screen 6 into the grinding box 1.

[0048] The bottom of the threaded block 206 is fixedly connected with a round rod 7, the push plate 8 is slidably installed on the round rod 7, the push plate 8 is in contact with the surface of the screen 6, the opposite surfaces of the push plate 8 and the threaded block 206 are both embeddedly installed with electromagnets 9, and the electromagnets 9 are electrically connected with an external power supply. The top of the grinding box 1 is provided with a feeding channel 10, one side of the screening box 4 is provided with a discharge port 11, the discharge port 11 and the inner wall of the screening box 4 are fixedly connected with a flow guide plate 12, the screening box 4 and the feeding channel 10 are fixedly connected with a conveying cylinder 13, the side of the screening box 4 away from the discharge port 11 and the screen 6 are provided with a backflow port 5, and the conveying cylinder 13 is communicated with the backflow port 5.

[0049] Specifically, when the threaded block 206 slides, the push plate 8 is driven to move synchronously by the round rod 7, the push plate 8 pushes the coarse powder on the screen 6 into the conveying cylinder 13 from the backflow port 5, the fine powder falls from the screen 6, passes through the flow guide plate 12 and the discharge port 11, and is discharged for storage, after completing one time of pushing, the two electromagnets 9 are attracted to each other, the push plate 8 is attracted and combined with the threaded block 206, so as to prevent the push plate 8 from pushing back the coarse powder, after the push plate 8 returns to the initial position, the two electromagnets 9 repel each other, the push plate 8 descends and is combined with the screen 6, so as to timely discharge the coarse powder on the screen 6, prevent the coarse powder from blocking the screen 6, and further improve the screening efficiency.

[0050] The interior of the conveying cylinder 13 is rotatably provided with two first augers 15 which are symmetrically arranged in the transverse direction through the first transmission shaft 14, and is drivingly provided with a second auger 17 which is arranged in the longitudinal direction through the second transmission shaft 16, and the upper portion of the conveying cylinder 13 is fixedly provided with a second motor 18, wherein the second transmission shaft 16 is fixedly connected to the output end of the second motor 18, and the conveying cylinder 13 is rotatably provided with two third transmission shafts 19, the first bevel gears 20 are fixedly connected to the second transmission shaft 16 and the third transmission shaft 19, the two first bevel gears 20 are meshingly connected, and the first belts 21 are drivingly connected between the two third transmission shafts 19 and the two first transmission shafts 14, and the second motor 18 is electrically connected with an external power supply.

[0051] Specifically, the second motor 18 is started, the second auger 17 is driven to rotate through the second transmission shaft 16, and the two first augers 15 are simultaneously driven to rotate through the transmission of the first bevel gears 20, the third transmission shafts 19, the first belts 21 and the first transmission shafts 14, the first auger 15 and the second auger 17 re-throw the coarse powder into the flour mill 1 for re-milling, and the processing effect of the flour can be improved.

[0052] Embodiment Three

[0053] With reference to Figures 1-2 And Figures 7-8 The embodiment two is basically the same, and further specifically discloses the specific implementation scheme for improving the milling effect.

[0054] The interior of the flour mill 1 is rotatably provided with two milling discs 23 through a rotating pipe 22, the connecting portion between the rotating pipe 22 and the milling disc 23 is provided with a spline, and the circumferential surface of the milling disc 23 is provided with a groove 24, wherein the interior of the groove 24 is rotatably provided with a milling roller 25, the milling roller 25 is in contact with the surface of the flour mill 1, the milling roller 25 rolls on the inner wall of the flour mill 1 when the milling disc 23 rotates, the top of the flour mill 1 is fixedly connected with a third motor 26, the output end of the third motor 26 and the rotating pipe 22 are fixedly connected with second bevel gears 27, the two second bevel gears 27 are meshingly connected, the third motor 26 is electrically connected with an external power supply, and the two milling discs 23 can mill coarse particles and fine particles from top to bottom, and the milling effect can be improved through twice milling and cooperation of the milling roller 25, and the spline enables the rotating pipe 22 to drive the milling disc 23 to rotate and the milling disc 23 to move longitudinally on the rotating pipe 22.

[0055] Specifically, the third motor 26 is started, the milling disc 23 is driven to rotate through the transmission of the second bevel gears 27 and the rotating pipe 22, and the milling roller 25 rolls on the inner wall of the flour mill 1, and the milling effect is improved through twice milling and coarse milling and fine milling.

[0056] The reciprocating screw rod 28 is rotatably installed outside the flour milling box 1, and the second belt 29 is in transmission connection between the reciprocating screw rod 28 and the rotating pipe 22. The two symmetrical sliding blocks 30 are threadedly connected to the reciprocating screw rod 28. The connecting barrels 31 are rotatably installed on the grinding disc 23. The connecting rods 32 are fixedly connected between the two connecting barrels 31 and the two sliding blocks 30, respectively. The two sliding grooves 33 are formed in the flour milling box 1. The two connecting rods 32 are slidingly installed in the two sliding grooves 33, respectively. The baffle 34 is fixedly connected to the connecting rod 32. The baffle 34 is in abutment with the inner wall of the flour milling box 1.

[0057] Specifically, during the grinding, the two grinding discs 23 are driven to rotate and open and close to each other through the transmission of the second belt 29, the reciprocating screw rod 28, the sliding block 30, the connecting barrel 31 and the connecting rod 32, so as to further grind the raw materials and further improve the grinding effect. The baffle 34 is used to cover the sliding groove 33. During the opening and closing, the baffle 34 always blocks the sliding groove 33 to prevent the powder from falling out of the sliding groove 33.

[0058] Embodiment Four

[0059] Referring to Figure 1 And Figures 7-8 The specific implementation scheme of blowing gas into the groove 24 is further disclosed.

[0060] The air bag 35 is arranged on one side of the screening box 4 close to the connecting frame 207. The pressing plate 36 is fixedly connected to one side of the connecting frame 207 close to the air bag 35. The air outlet pipe 37 is arranged on the air bag 35. The rotating pipe 22 is in rotation connection with the air outlet pipe 37. The air chamber 38 and the air outlet 39 are formed in the grinding disc 23 and the rotating pipe 22, respectively. The air outlet 39 is arranged in the air chamber 38. The air duct 40 is arranged between the air chamber 38 and the groove 24.

[0061] Specifically, during the pushing of the materials, the connecting frame 207 drives the pressing plate 36 to extrude the air bag 35. The gas passes through the air outlet pipe 37, the rotating pipe 22, the air outlet 39, the air chamber 38 and the air duct 40, and is blown into the groove 24 and towards the grinding roller 25, so as to prevent the powder from blocking the grinding roller 25 and the groove 24, to ensure the normal use of the grinding roller 25, and to further cool the grinding roller 25 and improve the service life of the grinding roller 25. There are enough air outlets 39. When the grinding disc 23 opens and closes, the air outlet 39 is always in the air chamber 38, and does not affect the blowing of the gas.

[0062] A flour production method, the operation steps are as follows:

[0063] Step one: the two grinding discs 23 are rotated and opened and closed to each other to grind the raw materials. The powder falls on the screen 6 through the screening box 4.

[0064] Step two: blow the powder in the groove 24 off by blowing air into the groove 24 through the air bag 35;

[0065] Step three: move and vibrate the screen 6 by the rubber hammer 303 driven by the driving part and the connecting part;

[0066] Step four: the fine powder falls from the screen 6 and is discharged through the discharge port 11, and the coarse powder is pushed into the conveying cylinder 13 by the push plate 8;

[0067] Step five: the coarse powder is sent back to the grinding box 1 for regrinding by the first auger 15 and the second auger 17.

[0068] The flour production grinding device, in use, the first motor 203, the second motor 18 and the third motor 26 are started, the raw materials are put into the grinding box 1 from the feeding channel 10, the grinding disc 23 is driven to rotate under the transmission of the second bevel gear 27 and the rotating tube 22, and the grinding roller 25 rolls on the inner wall of the grinding box 1, the effect of grinding is improved under the secondary grinding and coarse grinding and fine grinding, when grinding, the two grinding discs 23 are driven to open and close to each other when rotating under the transmission of the second belt 29, the reciprocating wire rod 28, the sliding block 30, the connecting cylinder 31 and the connecting rod 32, the raw materials are further ground, the effect of grinding is further improved, and the powder falls on the screen 6 through the screening box 4;

[0069] The first motor 203 drives the threaded rod 204 to vibrate, and under the limitation of the limiting rod 205, the threaded block 206 slides along the limiting rod 205, the threaded block 206 drives the sliding block 202 to slide along the slide rail 201 through the connecting frame 207, when the sliding block 202 slides, the transmission gear 308 drives the cam 302 to rotate due to the meshing connection with the toothed plate 309, the cam 302 extrudes the connecting rod 304 to drive the rubber hammer 303 to move upward, the connecting rod 304 drives the fixed plate 305 to slide on the guide rod 306 and compresses the spring 307, the spring 307 resets to make the rubber hammer 303 descend, so that the rubber hammer 303 moves up and down constantly, the rubber hammer 303 moves constantly and hits the screen 6, the threaded block 206 slides and drives the push plate 8 to move synchronously through the round rod 7, the push plate 8 pushes the coarse powder on the screen 6 from the backflow opening 5 into the conveying cylinder 13, the fine powder falls from the screen 6, passes through the guide plate 12 and the discharge opening 11 and is discharged to be stored, the output end of the second motor 18 drives the second auger 17 to rotate through the second transmission shaft 16, drives two first augers 15 to rotate simultaneously under the transmission of the first bevel gear 20, the third transmission shaft 19, the first belt 21 and the first transmission shaft 14, the first auger 15 and the second auger 17 re-put the coarse powder into the grinding box 1 to re-grind, in the process of pushing the material, the connecting frame 207 drives the pressing plate 36 to extrude the air bag 35, the gas passes through the air outlet pipe 37, the rotating pipe 22, the air outlet 39, the air chamber 38 and the air duct 40, blows into the groove 24 and towards the grinding roller 25, prevents the powder from blocking the grinding roller 25 and the groove 24, to ensure the normal use of the grinding roller 25, and can also cool the grinding roller 25.

[0070] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent substitution or change according to the technical scheme and inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A flour production milling device comprising a milling box (1) and a screening box (4), the screening box (4) being fixedly connected to the top of the milling box (1), a screen (6) being fixedly installed between the inner walls of the screening box (4), characterized in that, Also include: The slide rail (201) with slider (202) is transversely fixedly connected between the inner walls of the screening box (4), Wherein, the driving part is arranged on the screening box (4) to drive the slider (202) to slide along the slide rail (201); The cam (302) is rotatably installed on the slider (202) through the rotating shaft (301), Wherein, the rubber hammer (303) is installed on the slider (202), the bottom of the rubber hammer (303) is fixedly connected with the connecting rod (304), the connecting rod (304) is in contact with the surface of the cam (302), and the connecting part is arranged between the slider (202) and the slide rail (201), when the driving part drives the slider (202) to slide, the connecting part drives the rubber hammer (303) to reciprocatingly impact the screen (6).

2. A flour producing milling apparatus according to claim 1, wherein, The driving part includes a first motor (203) fixedly connected outside the screening box (4), the output end of the first motor (203) is fixedly connected with a threaded rod (204), and the inner wall of the screening box (4) is fixedly connected with a limiting rod (205), Wherein, the threaded rod (204) is threadedly connected with a threaded block (206), the threaded block (206) is slidably connected with the limiting rod (205), and the threaded block (206) and the slider (202) are fixedly connected with a connecting frame (207), the connecting frame (207) is slidably connected with the screening box (4).

3. A flour producing milling apparatus as claimed in claim 1, wherein, The connecting part includes a fixed plate (305) fixedly connected on the connecting rod (304), a guide rod (306) fixedly connected on the slider (202), and the fixed plate (305) is slidably connected with the guide rod (306), Wherein, the fixed plate (305) and the slider (202) are fixedly connected with a spring (307), the rotating shaft (301) is fixedly connected with a transmission gear (308), the inner wall of the slide rail (201) is fixedly connected with a toothed plate (309), and the transmission gear (308) is meshedly connected with the toothed plate (309).

4. A flour producing milling apparatus as claimed in claim 2, wherein, The bottom of the threaded block (206) is fixedly connected with a round rod (7), the push plate (8) is slidably installed on the round rod (7), the surface of the push plate (8) is in contact with the screen (6), and the opposite surfaces of the push plate (8) and the threaded block (206) are both embeddedly installed with electromagnets (9).

5. A flour producing milling apparatus as claimed in claim 1, wherein, The top of the grinding box (1) is provided with a feeding channel (10), one side of the screening box (4) is provided with a discharge port (11), the inner wall of the screening box (4) is fixedly connected with a guide plate (12), the screening box (4) and the feeding channel (10) are fixedly connected with a conveying cylinder (13), the side of the screening box (4) away from the discharge port (11) and the screen (6) are provided with a backflow port (5), and the conveying cylinder (13) is communicated with the backflow port (5).

6. A flour producing milling apparatus according to claim 5, wherein, The inside of the conveying cylinder (13) is rotatably provided with two first augers (15) symmetrically arranged in transverse direction through a first transmission shaft (14), and is drivingly provided with a second auger (17) arranged in longitudinal direction through a second transmission shaft (16), the upper side of the conveying cylinder (13) is fixedly provided with a second motor (18), Wherein, the second transmission shaft (16) is fixedly connected to the output end of the second motor (18), two third transmission shafts (19) are rotatably arranged on the conveying cylinder (13), the first bevel gears (20) are fixedly connected to the second transmission shaft (16) and the third transmission shafts (19), the first bevel gears (20) are meshingly connected, and the first belts (21) are drivingly connected between the third transmission shafts (19) and the first transmission shafts (14).

7. A flour producing milling apparatus as claimed in claim 2, wherein, The inside of the grinding box (1) is rotatably provided with two grinding discs (23) through a rotating tube (22), the connecting part between the rotating tube (22) and the grinding disc (23) is provided with a spline, and the circumferential surface of the grinding disc (23) is provided with a groove (24), Wherein, the inside of the groove (24) is rotatably provided with a grinding roller (25), the top of the grinding box (1) is fixedly connected with a third motor (26), the output end of the third motor (26) and the rotating tube (22) are fixedly connected with second bevel gears (27), and the second bevel gears (27) are meshingly connected.

8. A flour producing milling apparatus according to claim 7, wherein, The outside of the grinding box (1) is rotatably provided with a reciprocating screw rod (28), the second belts (29) are drivingly connected between the reciprocating screw rod (28) and the rotating tube (22), the reciprocating screw rod (28) is threadedly connected with two symmetrically arranged sliding blocks (30), and the grinding disc (23) is rotatably provided with a connecting cylinder (31), Wherein, the connecting rods (32) are fixedly connected between the two connecting cylinders (31) and the two sliding blocks (30), the grinding box (1) is provided with two sliding grooves (33), the connecting rods (32) are slidingly arranged in the sliding grooves (33), the connecting rods (32) are fixedly connected with baffles (34), and the baffles (34) are attached to the inner wall of the grinding box (1).

9. A flour producing milling apparatus as claimed in claim 7, wherein, The side, close to the connecting frame (207), of the screening box (4) is provided with an air bag (35), the side, close to the air bag (35), of the connecting frame (207) is fixedly connected with a pressing plate (36), the air bag (35) is provided with an air outlet pipe (37), the rotating tube (22) is rotatably connected with the air outlet pipe (37), the inside of the grinding disc (23) and the rotating tube (22) are respectively provided with air chambers (38) and air outlets (39), the air outlet (39) is arranged in the air chamber (38), and the air chambers (38) and the grooves (24) are provided with air passages (40).

10. A method for producing flour using the flour production mill device according to any one of claims 1 to 9, characterized in that, The operation steps are as follows: Step one: the raw materials are ground by the rotation and mutual opening and closing of the two grinding discs (23), and the powder falls on the screen (6) through the screening box (4); Step two: the powder in the groove (24) is blown off by blowing air into the groove (24) through the air bag (35). Step three: the rubber hammer (303) drives the screen (6) to move and vibrate for screening through the driving part and the connecting part; Step four: the fine powder falls from the screen (6) and is discharged through the discharge port (11), and the coarse powder is pushed into the conveying cylinder (13) by the push plate (8); Step five: the first auger (15) and the second auger (17) send the coarse powder back to the grinding box (1) for regrinding.

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