CN209124018U - A gap adjustment mechanism - Google Patents

Abstract

The utility model relates to stone mill technical fields, specially a kind of gap adjusting mechanism, suitable for electric millstone mill, including the upper millstone above driving cabinet is arranged in, the upper millstone bottom centre is equipped with the cavity of indent, the cavity includes the first cavity portion being cooperatively connected with spiral ejection pin, with the second cavity portion for adjusting gap shaft to be cooperatively connected；The tune gap shaft is set in the spiral ejection pin peripheral side, the tune gap shaft and the spiral ejection pin run through the lower millstone and the driving cabinet and the tune gap shaft is connect with the driving counter thread, and radially limit connection, the other end and shaft coupling radial direction limit connect for described spiral ejection pin one end and first cavity portion.The utility model can by spiral ejection pin, to adjust gap shaft, the components such as gap adjustment rotary table to adjust the gap between upper millstone and lower millstone wide to adapt to variety classes food and the different degrees of grinding of same food, applicability.

Description

A gap adjustment mechanism

technical field

The utility model relates to the technical field of stone grinding, in particular to a clearance adjustment mechanism.

Background technique

A stone mill is a machine used to process grains such as rice, wheat, and beans into powder and pulp. The traditional stone mill is usually made of two round stones, one is the upper mill and the other is the lower mill. In the middle, it travels outward along the grinding teeth and is ground as it rolls over two layers, forming a powder. Stone mills usually use human or animal power as power, or use natural forces such as wind and water to drive stone mills, but natural conditions cannot be widely used. Most of the existing electric stone grinders on the market have complex structures, and can only grind one or specific kinds of food, or can only achieve one grinding effect for the same food, which is poor in applicability.

Utility model content

Aiming at the problems existing in the prior art, the utility model proposes a clearance adjustment mechanism which can greatly improve the applicability of the electric stone grinder.

The technical solution adopted by the utility model to solve the technical problem is as follows: a clearance adjustment mechanism, which is suitable for electric stone grinding, comprises an upper grinding disc arranged above the driving cabinet, and the bottom center of the upper grinding disc is provided with a concave cavity, The cavity includes a first cavity part matched with the screw top rod, and a second cavity part matched with the clearance adjustment shaft;

The clearance adjustment shaft is sleeved on the outer peripheral side of the screw ejector rod, the clearance adjustment shaft and the screw ejector rod pass through the lower grinding disc and the drive cabinet, and the clearance adjustment shaft is screwed with the drive cabinet , one end of the screw top rod is connected with the radial limit of the first cavity part, and the other end is connected with the radial limit of the coupling;

The outer peripheral side of the connecting end of the screw top rod and the first cavity is provided with a limit protrusion block, and the first cavity part is provided with a cavity limit groove that is matched and connected with the limit protrusion block, The outer peripheral side of the connecting end of the screw top rod and the coupling is provided with a limit block, the coupling is provided with a limit groove for the axial movement of the limit block, and the clearance adjustment rotating shaft is provided with a limit block. One end is provided with a first circular truncated protrusion that is matched with the second cavity, and the other end is provided with a second circular truncated protrusion. The circular platform is connected with the clearance adjustment ejector rod motor, and the clearance adjustment rotating shaft is provided with a clearance adjustment ring body on the side of the first circular platform projection close to the limit projection block.

Preferably, a switch button and a clearance adjustment lever are arranged outside the drive cabinet, and a controller connected to the switch button and the clearance adjustment lever is arranged inside the drive cabinet, and the controller is connected to the clearance adjustment top. Rod motor connection.

Preferably, the top of the clearance adjusting ring body is provided with balls.

Preferably, the bottom of the upper grinding disc is further provided with an annular grinding area, the annular grinding area is provided with upper grinding bars, the top of the lower grinding disc is provided with an inner ring plane area, a middle ring grinding area and an outer ring discharge area. The middle ring grinding zone is provided with lower grinding bars, the upper grinding disc is pressed and arranged in the middle ring grinding zone of the lower grinding disc through the annular grinding zone, and the outer ring discharging zone is connected with the discharging port of the lower grinding disc.

Preferably, the upper grinding bar includes a circle of upper grinding bars on an outer ring arranged in a radial direction and a circle of upper grinding bars on an inner ring arranged obliquely from the inside to the outside and counterclockwise in the radial direction, and the lower grinding bar includes a circle of upper grinding bars along the radial direction A circle of lower grinding bars on the outer ring is provided and a circle of lower grinding bars on the inner ring is inclined counterclockwise from the inside to the outside in the radial direction. The upper ring grinding bar is used in conjunction with the inner ring lower grinding bar.

Preferably, the inner ring upper grinding bar is composed of a plurality of upper grinding bar units, and the inner ring lower grinding bar is composed of a plurality of lower grinding bar units with the same structure as the upper grinding bar unit; the upper grinding bar The unit includes a first grinding rod, a second grinding rod, a third grinding rod and a fourth grinding rod. The first grinding rod is inclined at an angle of 30 degrees to the radial direction, and the second grinding rod is 45 degrees to the radial direction. The angle is inclined, the third grinding bar is inclined at an angle of 60 degrees to the radial direction, and the fourth grinding bar is inclined at an angle of 75 degrees to the radial direction.

Preferably, the ratio of the lengths of the first grinding rod, the second grinding rod, the third grinding rod and the fourth grinding rod is 12.5:15:17.5:20.

Preferably, the ratio of the widths of the first grinding bar, the second grinding bar, the third grinding bar and the fourth grinding bar is 2:2.5:3:3.5.

The beneficial effect of the utility model is that the utility model can adjust the gap between the upper grinding plate and the lower grinding plate through the screw ejector rod, the clearance adjusting shaft, the clearance adjusting round table and other components to adapt to different kinds of food and different degrees of grinding of the same food, Wide applicability.

Description of drawings

Fig. 1 is the structural representation of the electric stone grinder with the clearance adjustment mechanism of the present utility model;

Fig. 2 is another structural representation of electric stone mill in Fig. 1;

Fig. 3 is the structural representation of the upper grinding disc in Fig. 1;

Fig. 4 is the structural representation of the lower grinding disc in Fig. 1;

5 is a schematic diagram of the connection structure of the clearance adjusting shaft and the screw ejector;

Fig. 6 is the structural representation of the feeding wheel of the electric stone mill in Fig. 1;

Among them, 1, drive cabinet, 11, switch button, 12, gap adjustment lever, 13, speed control knob, 14, controller, 2, upper grinding disc, 21, upper grinding disc feeding port, 22, upper grinding disc water inlet, 23. The first cavity part, 24, The second cavity part, 241, The arc-shaped receiving groove, 25, The third cavity part, 26, The annular grinding area, 261, The upper grinding bar, 3, The lower grinding disc, 31 , The discharge port of the lower grinding disc, 311, the discharge flow control valve, 32, the middle ring grinding area, 321, the lower grinding bar, 33, the outer ring discharge area, 4, the feeding bracket, 5, the feeding funnel, 51, the funnel Main body, 52, Feeding wheel, 53, Feeding opening and closing door, 54, Feeding wheel control motor, 55, Feeding control motor, 6. Feed water nozzle, 61, Pure water bucket, 62, Water pump, 7, Collection Barrel, 83, Spiral Mandrel, 831, Limiting Protrusion Block, 832, Limiting Block, 84, Adjustment Shaft, 841, First Round Bench Raised, 842, Second Round Bench Raised, 843, Adjustment Ring Body, 85, Coupling, 86, Drive Motor, 87, Positioning Bolt, 88, Gap Adjustment Round Table, 89, Gap Adjustment Mandrel Motor, 9, Roller Assembly, 91, Roller Inner Ring, 92, Roller Outer Circle, 93, roller.

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

As shown in Figures 1 to 6, a clearance adjustment mechanism, suitable for electric stone grinding, includes a drive cabinet 1, an upper grinding disc 2 and a lower grinding disc 3 arranged above the driving cabinet 1, and the top of the driving cabinet 1 is connected There is a feeding support 4, the feeding hopper 5 and the water feeding nozzle 6 are installed on the feeding support 4, and the upper grinding disc 2 is provided with a first feeding port 21 and a second feeding port 22 of the upper grinding disc. When the first feeding port 21 of the upper grinding table is connected with the feeding funnel 5, the second feeding port 22 of the upper grinding table is connected with the water supply nozzle 6, and the first feeding port 21 of the upper grinding table is connected with the water supply. When the nozzles 6 are docked, the second feeding port 22 of the upper grinding disc is connected to the feeding funnel 5, the lower grinding disc 3 is provided with a lower grinding disc discharge port 31, and the drive cabinet 1 is installed with the lower grinding disc. The discharge port 31 is connected to the collection bucket 7 .

The center of the bottom of the upper grinding disc 2 is provided with a concave cavity, and the cavity includes a first cavity part 23 that is connected with the screw top rod 83 , and a second cavity part that is connected with the clearance adjustment shaft 84 . 24, and the third cavity portion 25 on which the roller assembly 9 is installed, the second cavity portion 24 communicates with the first feeding port 21 of the upper grinding disc and the second feeding port 22 of the upper grinding disc respectively.

The clearance adjustment rotating shaft 84 is sleeved on the outer peripheral side of the screw top rod 83 , the clearance adjustment rotating shaft 84 and the screw top rod 83 pass through the lower grinding disc 3 and the drive cabinet 1 and the clearance adjustment rotating shaft 84 It is threadedly connected with the drive cabinet 1, one end of the screw top rod 83 is connected to the radial limit of the first cavity portion 23, and the other end is connected to the radial limit of the coupling 85. The coupling 85 Connected to the drive motor 86 , the drive motor 86 is connected to the inner bottom of the drive cabinet 1 through positioning bolts 87 . The driving motor 86 can control the rotation of the screw ejector rod 83 through the coupling 85, thereby driving the upper grinding disc 2 to rotate.

A limiting protrusion block 831 is provided on the outer peripheral side of the connecting end of the screw top rod 83 and the first cavity portion 23 , and the first cavity portion 23 is provided with a cavity that cooperates with the limiting protrusion block 831 The body limiting groove 231, the outer peripheral side of the connecting end of the screw top rod 83 and the coupling 85 is provided with a limiting block 832, and the coupling 85 is provided with an axial movement of the limiting block 832. One end of the clearance adjusting shaft 84 is provided with a first circular platform protrusion 841 which is matched with the second cavity portion 24, and the other end is provided with a second circular platform protrusion 842. The second circular platform The protrusion 842 is meshed with the bevel gear of the clearance adjustment round table 88, the clearance adjustment round table 88 is connected with the clearance adjustment ejector rod motor 89, and the clearance adjustment shaft 84 is close to the limit protrusion on the first round table protrusion 841. A clearance adjusting ring body 843 is provided on the side of the block 831 , and the helical ejector rod 83 is supported by the clearance adjusting ring body 843 .

When the gap between the upper grinding disc 2 and the lower grinding disc 3 needs to be increased, the clearance adjusting mandrel motor 89 can be controlled to rotate forward, and the clearance adjusting mandrel motor 89 makes the clearance adjusting circular platform 88 rotate forward, thereby driving the second circular platform protrusion 842 to reversely rotate. Rotate and move up the clearance adjusting shaft 84 through the thread connected with the drive cabinet 1. When the clearance adjusting shaft 84 moves up, the clearance adjusting ring body 843 will abut against the screw top rod 83 to support the screw top rod 83 to move up, and finally make the screw top rod 83 move up. The contact gap between the upper grinding disc 2 and the lower grinding disc 3 becomes larger, and the limit slot is longer than the axial length of the limit stop block 832 , which has a sliding guiding effect on the limit stop block 832 . In the same way, when the gap between the upper grinding disc 2 and the lower grinding disc 3 needs to be adjusted, the clearance adjusting mandrel motor 89 can be controlled to reverse, and the gap adjusting mandrel motor 89 makes the clearance adjusting circular platform 88 reverse, thereby driving the second circular platform to bulge. 842 rotates forward and moves down the clearance adjustment shaft 84 through the thread connected with the drive cabinet 1. When the clearance adjustment shaft 84 moves down, the screw top rod 83 will move down together with the clearance adjustment shaft 84 due to the action of gravity, and finally the upper grinding disc 2 The contact gap with the lower grinding disc 3 becomes lower. Different sizes of gaps can be used to grind different types of food. For example, a larger gap can be used to grind large-volume foods such as soybeans. For example, a smaller gap can be used to grind small-volume foods such as rice. Various kinds of food are ground to different degrees, so the electric stone grinder has wide applicability.

The outside of the drive cabinet 1 is provided with a switch button 11 , a gap adjustment lever 12 and a speed adjustment knob 13 , and the inside of the drive cabinet 1 is provided with a switch button 11 , the gap adjustment lever 12 and the speed adjustment knob 13 . The controller 14 is connected with the drive motor 86 and the clearance adjusting jack motor 89 . The switch button 11 is used to start or close the electric stone grinder through the controller 14, the gap adjustment lever 12 is used to control the gap adjustment ejector motor 89 through the controller 14 to adjust the contact gap between the upper grinding disc 2 and the lower grinding disc 3, The speed control knob 13 is used to control the driving motor 86 through the controller 14 to adjust the grinding speed of the upper grinding disc 2 .

The drive cabinet 1 is provided with a pure water bucket 61, the pure water bucket 61 is installed with a feed water pump 62, the feed water pump 62 is connected with the water feed nozzle 6 through a water pipe, and the water pump 62 is connected with the controller 14, The controller 14 can control the water pump 62 to supply water to the upper grinding disc 2 periodically.

The outer peripheral side of the first circular truncated protrusion 841 is provided with an arc-shaped grinding strip, and the second cavity portion 24 is provided with an arc-shaped accommodating groove 241 for use with the arc-shaped grinding strip. This structure makes the second cavity When the inner side surface of the body portion 24 rotates, an uneven grinding space is formed with the outer side surface of the first circular truncated protrusion 841, so as to realize the first grinding of food.

The bottom of the upper grinding disc 2 is also provided with an annular grinding area 26, the annular grinding area 26 is provided with an upper grinding bar 261, the top of the lower grinding disc 3 is provided with an inner ring plane area, a middle ring grinding area 32 and an outer ring discharge area. 33. The middle ring grinding zone 32 is provided with a lower grinding bar 321, the upper grinding disc 2 is pressed on the middle ring grinding zone 32 of the lower grinding disc 3 through the annular grinding zone 26, and the outer ring discharging zone 33 and The lower grinding disc outlet 31 is connected.

The roller assembly 9 includes a roller inner ring 91 connected with the inner ring plane area of the lower grinding disc 3, a roller outer ring 92 connected with the roller inner ring 91 through a fixed shaft, and a roller outer ring 92 connected with the fixed shaft. The sleeved roller 93, when the upper grinding disc 2 rotates, the inner top surface of the third cavity portion 25 contacts the roller 93, so that the roller 93 rotates, and the second grinding of the food is realized when the roller 93 rotates.

The upper grinding bar 261 includes a circle of upper grinding bars on the outer ring arranged in the radial direction and a circle of upper grinding bars on the inner ring arranged obliquely from the inside to the outside and counterclockwise in the radial direction. A ring of lower grinding bars on the outer ring and a ring of lower grinding bars on the inner ring inclined counterclockwise from the inside to the outside in the radial direction, the upper grinding bars on the outer ring are used in conjunction with the lower grinding bars on the outer ring, and the inner ring The upper grinding bar is used in conjunction with the inner ring lower grinding bar. The upper grinding bar of the inner ring is composed of a plurality of upper grinding bar units, and the lower grinding bar of the inner ring is composed of a plurality of lower grinding bar units with the same structure as the upper grinding bar unit; A grinding rod, a second grinding rod, a third grinding rod and a fourth grinding rod, the first grinding rod is inclined at an angle of 30 degrees to the radial direction, and the second grinding rod is inclined at an angle of 45 degrees to the radial direction , the third grinding bar is inclined at an angle of 60 degrees to the radial direction, and the fourth grinding bar is inclined at an angle of 75 degrees to the radial direction. The ratio of the lengths of the first, second, third, and fourth grinding bars is 12.5:15:17.5:20. The width ratio of the first grinding bar, the second grinding bar, the third grinding bar and the fourth grinding bar is 2:2.5:3:3.5. When the upper grinding disc 2 rotates, it will rotate relative to the lower grinding disc 3, and the third effective grinding of the food can be achieved by the upper grinding bar 261 and the lower grinding bar 321 of the structure of the present application. The food is milled three times by this electric stone mill to complete the grinding, and the grinding effect is good.

The discharge port 31 of the lower grinding plate is provided with a sedimentation tank, and the bottom of the sedimentation tank is provided with an on-off valve 311. When the electric stone grinder is used for a long time, the stone particles on the stone grinder will enter the food to be ground. When the ground food is liquid, the stone particles in the liquid can be filtered by sedimentation through the sedimentation tank to avoid the stone particles being eaten.

The feeding funnel 5 includes a funnel body 51 , a feeding wheel 52 installed inside the funnel body 51 and connected to the connecting plate at the entrance of the funnel body 51 , and a feeding wheel 52 connected to the feeding wheel 52 . The feeding runner control motor 54, the feeding opening and closing door 53 arranged at the outlet of the feeding runner 52, the feeding control motor 55 connected with the feeding opening and closing door 53, the feeding runner control The motor 54 and the feeding control motor 55 are both connected to the controller 14 . The feeding control motor 55 controls the opening and closing of the feeding opening and closing door 53. When the first feeding port 21 of the upper grinding table 2 or the second feeding port 22 of the upper grinding table rotates to the bottom of the feeding funnel 5, the material is fed. The opening and closing door 53 is opened, and the material enters the upper grinding disc 2 . When the first feed opening 21 of the upper grinding disc of the upper grinding disc 2 or the second feeding opening 22 of the upper grinding disc is rotated to other positions, the feeding opening and closing door 53 is closed. The feeding wheel control motor 54 can drive the feeding wheel 52 to rotate, so that the food gradually enters the upper grinding table feeding port 21 along the setting direction of the feeding wheel 52, so as to avoid the food entering the first feeding port 21 of the upper grinding table or The second feeding port 22 of the upper grinding table blocks the first feeding port 21 of the upper grinding table or the second feeding port 22 of the upper grinding table, which improves the use effect of the electric stone mill.

The above-mentioned embodiments merely describe the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention, and the technology claimed by the present invention shall be protected. The content has been fully described in the claims.

Claims (8)

1. A clearance adjustment mechanism, suitable for electric stone grinding, characterized in that it comprises an upper grinding disc (2) and a lower grinding disc (3) arranged above the drive cabinet (1), and a bottom center of the upper grinding disc (2) is provided. There is a concave cavity, the cavity includes a first cavity part (23) in cooperation with the screw top rod (83), and a second cavity part (24) in cooperation with the clearance adjustment shaft (84); The clearance adjustment rotating shaft (84) is sleeved on the outer peripheral side of the screw top rod (83), and the clearance adjustment rotating shaft (84) and the screw top rod (83) penetrate through the lower grinding disc (3) and the The drive cabinet (1) and the clearance adjustment shaft (84) are threadedly connected to the drive cabinet (1), and one end of the helical top rod (83) is connected to the first cavity portion (23) in a radial position limit , the other end is connected to the radial limit of the coupling (85); A limiting protrusion block (831) is provided on the outer peripheral side of the connecting end between the screw top rod (83) and the first cavity portion (23), and the first cavity portion (23) is provided with the limiting block (831). A cavity limit groove (231) to which the raised block (831) is matched and connected, and a limit block (832) is provided on the outer peripheral side of the connection end between the screw top rod (83) and the coupling (85). The coupling (85) is provided with a limit slot for axial movement of the limit block (832), and one end of the clearance adjustment shaft (84) is provided with the second cavity portion (24) The first circular truncated protrusion (841) is matched and connected, and the other end is provided with a second circular truncated protrusion (842). The adjusting round table (88) is connected with the clearance adjusting ejector rod motor (89), and the clearance adjusting rotating shaft (84) is provided with an adjusting wheel on the side of the first round table protrusion (841) close to the limit protrusion block (831). Gap body (843). 2. A clearance adjustment mechanism according to claim 1, characterized in that: a switch button (11) and a clearance adjustment lever (12) are provided outside the drive cabinet (1), and the drive cabinet (1) A controller (14) connected with the switch button (11) and the clearance adjustment lever (12) is provided inside, and the controller (14) is connected with the clearance adjustment ejector rod motor (89). 3 . The clearance adjusting mechanism according to claim 1 , characterized in that: the top of the clearance adjusting ring body ( 843 ) is provided with balls. 4 . 4. A clearance adjustment mechanism according to claim 1, characterized in that: the bottom of the upper grinding disc (2) is further provided with an annular grinding zone (26), and the annular grinding zone (26) is provided with an upper grinding bar (261), the top of the lower grinding disc (3) is provided with an inner ring plane area, a middle ring grinding area (32) and an outer ring discharge area (33), and the middle ring grinding area (32) is provided with a lower grinding bar (321) ), the upper grinding disc (2) is pressed and set in the middle ring grinding zone (32) of the lower grinding disc (3) through the annular grinding zone (26), and the outer ring discharging zone (33) is connected with the lower grinding disc (33). The grinding disc outlet (31) is connected. 5 . The clearance adjusting mechanism according to claim 4 , wherein the upper grinding bar ( 261 ) comprises a ring of upper grinding bars on the outer ring arranged in the radial direction and inclined counterclockwise from the inside to the outside and the radial direction. 6 . A ring of upper grinding bars on the inner ring is provided, and the lower grinding bars (321) include a ring of lower grinding bars on the outer ring arranged in the radial direction and a ring of lower grinding bars on the inner ring that are inclined from the inside to the outside and counterclockwise in the radial direction. , the upper grinding rod of the outer ring is used in cooperation with the lower grinding rod of the outer ring, and the upper grinding rod of the inner ring is used in cooperation with the lower grinding rod of the inner ring. 6 . The clearance adjusting mechanism according to claim 5 , wherein the upper grinding bar of the inner ring is composed of a plurality of upper grinding bar units, and the lower grinding bar of the inner ring is composed of a plurality of units that are connected to the upper grinding bar. The bar unit is composed of a lower grinding bar unit with the same structure; the upper grinding bar unit includes a first grinding bar, a second grinding bar, a third grinding bar and a fourth grinding bar, and the first grinding bar is 30 degrees from the radial direction The second grinding bar is inclined at an angle of 45 degrees to the radial direction, the third grinding bar is inclined at an angle of 60 degrees to the radial direction, and the fourth grinding bar is inclined at an angle of 75 degrees to the radial direction. set up. 7 . The gap adjusting mechanism according to claim 6 , wherein the ratio of the lengths of the first grinding rod, the second grinding rod, the third grinding rod and the fourth grinding rod is 12.5:15:17.5. 8 . :20. 8 . The gap adjusting mechanism according to claim 6 , wherein the ratio of the widths of the first grinding bar, the second grinding bar, the third grinding bar and the fourth grinding bar is 2:2.5:3 : 3.5.