Dough grinding device

Abstract

The utility model relates to the technical field of flour milling, in particular to a flour milling device. The flour milling device comprises a rack and a stock bin erected at the top end of the rack, a feeding roller is rotationally installed at the bottom end of the stock bin, a plurality of feeding grooves are formed in the feeding roller, and a servo motor used for driving the feeding roller to rotate is installed on one side of the rack; the fixed flour grinding roller is rotationally mounted on the rack, and a motor I for driving the fixed flour grinding roller to rotate is mounted on one side of the rack; the compression roller assembly is mounted on the rack, the compression roller assembly comprises two groups of supporting rods, the two groups of supporting rods are symmetrically mounted on the rack, bearing seats are mounted on the two groups of supporting rods in a sliding manner, a movable flour milling roller is mounted on the bearing seats on the two groups of supporting rods, and the movable flour milling roller, a fixed flour milling roller and a side plate of the rack form a flour milling cavity; the material guiding frame is installed on the machine frame and located below the powder making cavity. The flour grinding device provided by the utility model has the advantages of convenience in flour grinding adjustment and convenience in powder making and powder discharging.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flour milling technical field especially relates to a surface grinding device. BACKGROUND

[0002] Rice flour is made by using a grinding device in the processing process, and rice must be made into rice flour products by first passing through the process of flour milling. The quality of flour milling is one of the factors affecting the taste of rice flour.

[0003] In the processing of rice flour, according to the granularity of the powder, the powder is divided into coarse powder, fine powder and fine powder. The currently published CN207357338U discloses a powder material processing equipment accessory, which overcomes the defects that the feeding is discontinuous due to the gap between the front and rear feeding grooves, and the material can be rolled sometimes and cannot be rolled sometimes in the roller surface grinding process. It comprises a feeding roller, a shaft coupling, a connecting seat, a bearing assembly and a motor. Each of the two ends of the feeding roller is provided with a bearing assembly, and a connecting seat is fixedly arranged at one end of one of the bearing assemblies. One end of the connecting seat is connected with the shaft coupling, and the shaft coupling is fixedly connected with the motor. The other end of the connecting seat is connected with the feeding roller. The feeding roller is a cylinder, and a plurality of grooves are arranged on the surface of the cylinder. The grooves on the surface of the cylinder are arranged in an axial direction and are staggered in a radial direction. Although this can ensure the smoothness of the feeding, it cannot flexibly adjust the thickness of the rice flour during surface grinding.

[0004] Therefore, it is necessary to provide a new surface grinding device to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a surface grinding device which is convenient to adjust and facilitate powder production.

[0006] The surface grinding device provided by the utility model comprises a rack, a stock bin erected at the top end of the rack, a feeding roller rotatably installed at the bottom end of the stock bin, a plurality of feeding grooves formed in the feeding roller, a servo motor installed on one side of the rack and used for driving the feeding roller to rotate, a fixed surface grinding roller rotatably installed on the rack, a motor one installed on one side of the rack and used for driving the fixed surface grinding roller to rotate, and a motor two installed on the other side of the rack and used for driving the fixed surface grinding roller to rotate.

[0007] The fixed surface grinding roller is rotatably installed on the rack, and the motor one is installed on one side of the rack and used for driving the fixed surface grinding roller to rotate.

[0008] A pressure roller assembly is installed on the frame, and the pressure roller assembly comprises support rods, two groups of the support rods are symmetrically installed on the frame, bearing seats are slidably installed on the two groups of support rods, and a movable grinding roller is jointly installed on the bearing seats of the two groups of support rods, the movable grinding roller, the fixed grinding roller and the side plates of the frame form a grinding chamber, a lead screw is rotatably installed above the support rods in the frame, one end of the lead screw penetrates through the frame and is fixedly installed with a hand wheel, and the bearing seat is provided with a threaded hole which is threadedly connected with the lead screw;

[0009] A material guide frame is installed on the frame and located below the grinding chamber.

[0010] Preferably, the fixed grinding roller and the pressure roller assembly are provided with two groups, and the two groups of the fixed grinding roller and the pressure roller assembly are distributed in an up-down manner.

[0011] Preferably, the two groups of the fixed grinding roller are connected through a belt wheel transmission.

[0012] Preferably, the bearing seat is installed with a second motor for driving the movable grinding roller to rotate.

[0013] Preferably, the material guide frame is installed with an electromagnetic vibrator.

[0014] Preferably, the bottom end of the material guide frame is installed with a constant-temperature heating plate.

[0015] Compared with the related art, the grinding device has the following beneficial effects:

[0016] 1. The grinding device can adjust and fix the distance between the fixed grinding roller and the movable grinding roller by the cooperation of the support rods, the bearing seats, the movable grinding roller, the lead screw, the hand wheel, the grinding chamber and the second motor, so that the fineness of the grinding can be adjusted and controlled.

[0017] 2. When the ground rice flour is conveyed, the electromagnetic vibrator can drive the material guide frame to vibrate, so that the rice flour can be smoothly discharged, and the constant-temperature heating plate can heat the material guide frame after cleaning, so that the residual moisture of the material guide frame is avoided to cause the rice flour to be bonded. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of a preferred embodiment of the grinding device is shown.

[0019] Figure 2 The structure diagram of another perspective view of the grinding device is shown.

[0020] Figure 3 The cross-sectional structure diagram of the grinding device is shown.

[0021] Figure 4 The structure diagram of the pressure roller assembly of the surface grinding device is provided.

[0022] The label in the figure: 1, rack; 2, stock bin; 3, feeding roller; 301, feeding slot; 31, servo motor; 4, fixed surface grinding roller; 41, motor one; 5, pressure roller assembly; 51, support rod; 52, bearing seat; 53, movable surface grinding roller; 54, lead screw; 55, hand wheel; 501, powder making cavity; 56, motor two; 6, material guide frame; 7, electromagnetic vibrator; 8, constant temperature heating plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0024] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0025] Please refer to Figures 1 to 4 The surface grinding device provided by the utility model embodiment comprises:

[0026] A rack 1 and a stock bin 2 erected on the top end of the rack 1, the bottom end of the stock bin 2 is rotatably installed with a feeding roller 3, a plurality of feeding slots 301 are formed in the feeding roller 3, and a servo motor 31 for driving the feeding roller 3 to rotate is installed on one side of the rack 1;

[0027] A fixed surface grinding roller 4, which is rotatably installed on the rack 1, and a motor one 41 for driving the fixed surface grinding roller 4 to rotate is installed on one side of the rack 1;

[0028] A pressure roller assembly 5, which is installed on the rack 1, comprises two groups of support rods 51, the two groups of support rods 51 are symmetrically installed on the rack 1, bearing seats 52 are slidably installed on the two groups of support rods 51, a movable surface grinding roller 53 is jointly installed on the bearing seats 52 on the two groups of support rods 51, the movable surface grinding roller 53, the fixed surface grinding roller 4 and the side plate of the rack 1 form a powder making cavity 501, a lead screw 54 is rotatably installed above the support rod 51 in the rack 1, a hand wheel 55 is fixedly installed at one end of the lead screw 54 and penetrates through the rack 1, and a threaded hole is formed in the bearing seat 52 and is in threaded connection with the lead screw 54;

[0029] A material guide frame 6, which is installed on the rack 1 and is located below the powder making cavity 501.

[0030] The bearing seat 52 is provided with a motor 56 for driving the rotation of the movable grinding roller 53

[0031] It should be noted that: in use, the raw material for grinding rice powder is placed in the stock bin 2, and then the servo motor 31 is started to drive the feeding roller 3 to rotate, so that the raw material in the stock bin 2 is guided into the powder making cavity 501 through the feeding groove 301, and then the motor 41 and the motor 56 are started synchronously, the motor 41 drives the fixed grinding roller 4 to rotate, and the motor 56 drives the movable grinding roller 53 to rotate, and the material in the powder making cavity 501 is ground by the rotation of the fixed grinding roller 4 and the movable grinding roller 53, and during the grinding, the lead screws 54 on both sides of the frame 1 are driven to rotate by the hand wheels 55, so that the bearing seat 52 moves along the supporting rod 51, the distance between the movable grinding roller 53 and the fixed grinding roller 4 is adjusted, and the fineness of the powder is adjusted, and the ground rice powder is guided into the guide frame 6 through the gap between the fixed grinding roller 4 and the movable grinding roller 53 and is discharged.

[0032] It should be further noted that: the bottom of the guide frame 6 is curved and smooth, so that the ground rice powder is conveyed downward by gravity when guided into the guide frame 6.

[0033] In the embodiment of the utility model, please refer to Figures 1 to 4 The fixed grinding roller 4 and the roller assembly 5 are provided with two groups, and the two groups of fixed grinding roller 4 and roller assembly 5 are distributed in an up-down mode.

[0034] It should be noted that: in this way, two groups are set up, so that the material can be fully ground by the powder making cavity 501 formed by the two groups of fixed grinding roller 4 and roller assembly 5, and the quality of the powder is improved.

[0035] And in this embodiment: the two groups of fixed grinding roller 4 are connected through belt wheel transmission, so that the two groups of fixed grinding roller 4 are synchronously rotated.

[0036] In the embodiment of the utility model, please refer to Figures 1 to 4 The guide frame 6 is provided with an electromagnetic vibrator 7, and the bottom end of the guide frame 6 is provided with a constant temperature heating plate 8.

[0037] It should be noted that: when the guide frame 6 guides the rice powder, the electromagnetic vibrator 7 is started synchronously to vibrate the guide frame 6 and vibrate the rice powder flowing through the guide frame 6, so that the rice powder is smoothly discharged, and the rice powder is prevented from being blocked, after processing, the guide frame 6 is cleaned, and the constant temperature heating plate 8 is started to heat the guide frame 6, so that the residual moisture of the guide frame 6 is avoided, and the bonding of the rice powder is avoided.

[0038] The working principle of the grinding device is as follows:

[0039] In use, the raw material for grinding rice flour is placed in the hopper 2, and then the servo motor 31 is started to drive the feeding roller 3 to rotate, so that the raw material in the hopper 2 is introduced into the milling cavity 501 through the feeding groove 301, and then the motor one 41 and the motor two 56 are started synchronously, the motor one 41 drives the fixed grinding roller 4 to rotate, and the motor two 56 drives the movable grinding roller 53 to rotate, and the material in the milling cavity 501 is ground by the rotation of the fixed grinding roller 4 and the movable grinding roller 53, and during the grinding, the lead screws 54 are driven to rotate by rotating the hand wheels 55 on both sides of the frame 1 synchronously, so that the bearing seats 52 are moved along the support rods 51, the distance between the movable grinding roller 53 and the fixed grinding roller 4 is adjusted, and the fineness of the ground rice flour is adjusted, and the ground rice flour is introduced into the guide frame 6 through the gap between the fixed grinding roller 4 and the movable grinding roller 53 and is discharged, and when the rice flour is guided out of the guide frame 6, the electromagnetic vibrator 7 is started synchronously to vibrate the guide frame 6 and vibrate the rice flour flowing through the guide frame 6, so that the rice flour is smoothly discharged and the rice flour is prevented from being blocked, and after the processing is completed, the guide frame 6 is cleaned, and then the constant temperature heating plate 8 is started to heat the guide frame 6, so that the residual moisture in the guide frame 6 is prevented, and the rice flour is prevented from being bonded during discharging.

[0040] Further, two groups are provided, so that the material is fully ground by the milling cavity 501 formed by the fixed grinding roller 4 and the compression roller assembly 5, and the quality of the ground rice flour is improved.

[0041] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0042] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A surface grinding device, comprising: a rack (1) and a hopper (2) erected on the top end of the rack (1), the bottom end of the hopper (2) being rotatably installed with a feeding roller (3), the feeding roller (3) being provided with a plurality of feeding grooves (301), and one side of the rack (1) being installed with a servo motor (31) for driving the feeding roller (3) to rotate; characterized in that it further comprises: a fixed grinding roller (4) rotatably installed on the rack (1), and one side of the rack (1) being installed with a motor one (41) for driving the fixed grinding roller (4) to rotate; a compression roller assembly (5) installed on the rack (1), the compression roller assembly (5) comprising support rods (51), the support rods (51) being provided in two groups, the two groups of support rods (51) being symmetrically installed on the rack (1), and the two groups of support rods (51) being both slidably installed with bearing seats (52), and the bearing seats (52) on the two groups of support rods (51) being commonly installed with a movable grinding roller (53), the movable grinding roller (53), the fixed grinding roller (4) and the side plate of the rack (1) forming a powder making cavity (501), a lead screw (54) being rotatably installed above the support rods (51) in the rack (1), one end of the lead screw (54) penetrating through the rack (1) and being fixedly installed with a hand wheel (55), and the bearing seat (52) being provided with a threaded through hole in screw connection with the lead screw (54); a material guide frame (6) installed on the rack (1) and located below the powder making cavity (501).

2. The facing apparatus of claim 1, wherein The fixed grinding roller (4) and the compression roller assembly (5) are both provided in two groups, and the two groups of fixed grinding rollers (4) and compression roller assemblies (5) are distributed in an up-down manner.

3. The facing apparatus of claim 2, wherein, The two groups of fixed grinding rollers (4) are connected through belt wheel transmission.

4. The facing apparatus of claim 1 wherein, The bearing seat (52) is installed with a motor two (56) for driving the movable grinding roller (53) to rotate.

5. The facing apparatus of claim 1 wherein, The material guide frame (6) is installed with an electromagnetic vibrator (7).

6. The facing apparatus of claim 1 wherein, The bottom end of the material guide frame (6) is installed with a constant temperature heating plate (8).

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