阅读说明：本技术 一种干式低速药粉研磨装置 (Dry-type low-speed powder grinding device ) 是由 陈栩 陈辉煌 花海燕 李江烨 陈霞 黄晓伟 黄登峰 练国富 于 2020-03-24 设计创作，主要内容包括：一种干式低速药粉研磨装置,属于振动筛技术领域。本发明包括支撑架、设于支撑架上的环形磨船、穿过环形磨船中部的垂轴、传动连接于垂轴的电机、连接垂轴的水平旋转杆、设于水平旋转杆一端的磨轮、设于水平旋转杆另一端的铲针。本发明结构简单,成本较低,易于推广,并且研磨时能及时散热,避免了对药粉药性的破坏。(A dry-type low-speed powder grinding device belongs to the technical field of vibrating screens. The invention comprises a support frame, an annular grinding boat arranged on the support frame, a vertical shaft penetrating through the middle part of the annular grinding boat, a motor in transmission connection with the vertical shaft, a horizontal rotating rod connected with the vertical shaft, a grinding wheel arranged at one end of the horizontal rotating rod, and a shovel pin arranged at the other end of the horizontal rotating rod. The invention has simple structure, low cost and easy popularization, and can dissipate heat in time during grinding, thereby avoiding the damage to the property of the medicine powder.)

1. The dry low-speed powder grinding device is characterized by comprising a support frame, an annular grinding boat arranged on the support frame, a vertical shaft penetrating through the middle of the annular grinding boat, a motor in transmission connection with the vertical shaft, a horizontal rotary rod connected with the vertical shaft, a grinding wheel arranged at one end of the horizontal rotary rod, and a shovel needle arranged at the other end of the horizontal rotary rod.

2. The dry type low-speed powder grinding device as claimed in claim 1, wherein the support frame comprises two long columns oppositely arranged, two short columns oppositely arranged, and auxiliary beams arranged on opposite sides of the two long columns and opposite sides of the two short columns, and the annular grinding boat is arranged on the four auxiliary beams.

3. The dry type low-speed powder grinding device as claimed in claim 2, wherein the auxiliary beam is fixedly connected to the long upright, the short upright and the ring mill by means of angle members and screws.

4. The dry-type low-speed powder grinding apparatus as claimed in claim 2, wherein a polygonal hole is formed in the middle of the horizontal rotary rod, and one end of the vertical shaft is formed in a polygonal shape to fit the polygonal hole.

5. The dry-type low-speed powder grinding device as claimed in claim 4, wherein a main beam is connected to the top ends of the two long columns, and a pressure adjusting mechanism is provided between the main beam and the horizontal rotating rod.

6. The dry-type low-speed powder grinding device as claimed in claim 5, wherein the pressure adjustment mechanism comprises an adjustment hole formed in the middle of the main beam, a spring housing with one end inserted into the adjustment hole, a spring disposed in the spring housing, a thrust ball bearing disposed at the lower end of the spring and abutting against the horizontal rotary rod, and an elastic force adjustment screw disposed at the upper end of the spring and threadedly coupled to the inner side wall of the spring housing.

7. A dry-type low-speed powder grinding device as claimed in claim 1, wherein a centering plate is connected to the lower side of the annular grinding vessel, the motor is connected to the lower side of the centering plate, and the output end of the motor is connected to the vertical shaft through a coupling.

8. The dry type low-speed powder grinding device as claimed in claim 1, wherein a grinding wheel mounting shaft is provided between the horizontal rotary rod and the grinding wheel, one end of the grinding wheel mounting shaft is screwed to the horizontal rotary rod, the other end of the grinding wheel mounting shaft is rotatably connected to the grinding wheel through a deep groove ball bearing, and the grinding wheel mounting shaft is axially positioned through a shaft circlip and a hole circlip.

9. The dry-type low-speed powder grinding device as claimed in claim 1, wherein a rack mounting shaft and a rack are disposed between the horizontal rotary rod and the needle, one end of the rack mounting shaft is connected to the horizontal rotary rod by screw threads, the rack is sleeved on the other end of the rack mounting shaft, the rack mounting shaft is provided with adjusting and positioning nuts on both sides of the rack, a steel ball spring plunger is connected to the lower portion of the rack by screw threads, and the needle is abutted against the steel ball of the steel ball spring plunger.

10. The dry type low-speed powder grinding apparatus as claimed in claim 1, wherein the side of the ring mill is provided with at least one insertion and extraction discharge door.

Technical Field

The invention relates to the technical field of grinding devices, in particular to a dry type low-speed powder grinding device.

Background

Some traditional Chinese medicine powders are usually prepared by finely grinding powders with a diameter of millimeter or more into micron-sized (or finer) powders for human body absorption. At present, in some traditional Chinese medicine shops or some private households, when traditional Chinese medicine powder is finely ground: one is that the ancient method is adopted, the powder with millimeter level and above is quantitatively poured into a metal grinding boat, and the grinding wheel is manually pushed to carry out the rolling and the manufacture is repeated, the method wastes time and labor, and the speed of the finished product is slow; the other is to adopt a mature powder grinder, but the working modes of the devices mainly adopt wet high-speed grinding, the grinding generates heat greatly, the medicine property can be damaged (cooling cannot be completely avoided), and the device is high in price and not easy to popularize.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a dry-type low-speed powder grinding device which is simple in structure, low in cost and easy to popularize, and can dissipate heat in time during grinding to avoid damage to the property of the powder.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a dry-type low-speed powder grinder, includes the support frame, locates annular mill boat on the support frame, pass the vertical axis in annular mill boat middle part, transmission connect in the motor of vertical axis, connect the horizontal rotary rod of vertical axis, locate the emery wheel of horizontal rotary rod one end, locate the shovel needle of the horizontal rotary rod other end.

The working principle of the invention is as follows: treat that the powder of grinding is arranged in annular mill ship, the motor drives horizontal rotary rod rotatory through the vertical axis, horizontal rotary rod drives the emery wheel on the one hand and rolls along annular mill ship, in order to grind powder, on the other hand drives the shovel needle and is rolled the back along annular mill ship plough shovel by the emery wheel and amasss the powder mud layer in annular mill ship bottom, and cut open powder mud layer to annular mill ship in both sides, in order to effectively grind repeatedly the emery wheel, improve grinding efficiency and grinding effect, in time and quick heat dissipation can be carried out to the powder of plowing simultaneously, the too high influence property of a medicine of powder temperature has been avoided.

Preferably, the support frame comprises two long upright columns which are oppositely arranged, two short upright columns which are oppositely arranged, auxiliary beams are arranged on the opposite sides of the two long upright columns and the opposite sides of the two short upright columns, and the annular grinding boat is arranged on the four auxiliary beams. The support frame is simple in structure and reliable in support strength.

Preferably, the auxiliary beam is fixedly connected with the long upright post, the short upright post and the annular grinding boat through corner pieces and screws. The connection fixing structure is convenient to operate and high in stability.

Preferably, the middle part of the horizontal rotating rod is provided with a multi-square hole, and one end of the vertical shaft is in a multi-square shape matched with the multi-square hole. On the one hand, the cooperation of many square holes and many square shafts can effectively transmit the moment of torsion, ensures horizontal rotary rod's stable rotation, and on the other hand the grafting cooperation in axle and hole makes horizontal rotary rod's upper and lower position adjustable, the emery wheel at horizontal rotary rod both ends and the upper and lower position of shovel needle or with annular mill between the ship pressure adjustable promptly.

Preferably, the top ends of the two long upright posts are connected with a main beam, and a pressure adjusting mechanism is arranged between the main beam and the horizontal rotating rod. The girder has further improved the structural stability of whole support frame, and pressure adjustment mechanism then makes the pressure adjustable between emery wheel and the annular mill ship to satisfy more grinding demands.

Preferably, the pressure adjusting mechanism comprises an adjusting hole arranged in the middle of the main beam, a spring sleeve with one end inserted into the adjusting hole, a spring arranged in the spring sleeve, a thrust ball bearing arranged at the lower end of the spring and abutted against the horizontal rotating rod, and an elastic adjusting screw arranged at the upper end of the spring and in threaded connection with the inner side wall of the spring sleeve. The pressure adjustment mechanism mainly adjusts the compression amount of the spring through the rotation of the elastic force adjusting screw, so that the pressure of the spring on the horizontal rotating rod is adjusted, and due to the insertion connection relation between the horizontal rotating rod and the hole shaft of the vertical shaft, the upper position and the lower position of the horizontal rotating rod have certain adjusting space (namely, the vertical shaft and the horizontal rotating rod have no other abutting force except friction force in the vertical direction), so that the adjustment of the pressure between the grinding wheel and the annular grinding ship is realized, and meanwhile, the influence of the pressure on the normal rotation of the horizontal rotating rod is avoided due to the arrangement of the thrust ball bearing.

Preferably, the lower side surface of the annular grinding boat is connected with a centering plate, the lower side surface of the centering plate is connected with the motor, and the output end of the motor is connected with the vertical shaft through a coupler. The centering plate ensures the concentricity of the output end of the motor, the vertical shaft and the annular grinding boat, thereby ensuring the stability of the matching relationship between the grinding wheel and the shovel needle and the annular grinding boat and ensuring the grinding effect.

Preferably, a grinding wheel mounting shaft is arranged between the horizontal rotating rod and the grinding wheel, one end of the grinding wheel mounting shaft is in threaded connection with the horizontal rotating rod, the other end of the grinding wheel mounting shaft is in rotary connection with the grinding wheel through a deep groove ball bearing, and axial positioning is carried out through an elastic check ring for a shaft and an elastic check ring for a hole. The structure makes the emery wheel can roll along emery wheel installation axle smoothly through deep groove ball bearing to guarantee to grind the effect, and has guaranteed the positional stability of emery wheel jointly through circlip for the axle and circlip for the hole, has guaranteed the stability of emery wheel with annular mill ship cooperation relation promptly.

Preferably, a shovel frame mounting shaft and a shovel frame are arranged between the horizontal rotary rod and the shovel needle, one end of the shovel frame mounting shaft is in threaded connection with the horizontal rotary rod, the shovel frame is sleeved at the other end of the shovel frame mounting shaft, adjusting and positioning nuts are arranged on the shovel frame mounting shaft and on two sides of the shovel frame, a steel ball elastic plunger is in threaded connection with the lower portion in the shovel frame, and the shovel needle is abutted against the steel ball of the steel ball elastic plunger. The mounting structure of the shovel needle effectively adjusts the position of the shovel frame on the mounting shaft of the shovel frame through the two adjusting and positioning nuts on one hand, and meanwhile, the two adjusting and positioning nuts can effectively clamp and position the shovel frame, namely, the position of the shovel needle can be effectively adjusted and positioned, so that the shovel needle is adjusted to achieve the best plough shovel effect; on the other hand, the shovel needle has certain flexibility by arranging the steel ball elastic plunger, namely enough contact or pressure between the shovel needle and the annular grinding boat can be ensured, and the shovel needle does not influence the sliding of the shovel needle along the annular grinding boat.

Preferably, the side surface of the annular grinding ship is provided with at least one plug-in discharging door. The plug discharge door is simple in structure and convenient to operate.

The invention has the advantages that:

1. the medical hospital bed has the advantages of simple overall structure, low cost and easy popularization, and can effectively meet the use requirements of private families or medical shops.

2. Gather the powder mud in the mill bottom in real time to being rolled the back by the emery wheel through the shovel needle and carry out the plough shovel, dissect powder mud layer to both sides in the annular mill to the emery wheel effectively grinds repeatedly, improves grinding efficiency and grinding effect, and the powder that is plowed simultaneously and looses can carry out timely and quick heat dissipation, has avoided powder high temperature to influence the property of a medicine.

3. The pressure adjusting mechanism can conveniently and rapidly adjust the pressure of the grinding wheel during grinding so as to meet different grinding requirements.

4. The arrangement of the centering plate ensures the concentricity of the output end of the motor, the vertical shaft and the annular grinding boat, thereby ensuring the stability of the matching relationship between the grinding wheel and the shovel needle and the annular grinding boat and ensuring the grinding effect.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of one embodiment of the present invention.

1-annular grinding ship; 2-grinding wheel; 3-deep groove ball bearing; 4-elastic retainer ring for shaft; 5-mounting shaft of grinding wheel; 6-elastic retainer ring for hole; 7-long upright post; 8-a main beam; 9-a spring housing; 10-elastic force adjusting screw; 11-a gasket; 12-a spring; 13-thrust ball bearing; 14-horizontal rotating bar; 15-mounting shaft of shovel rack; 16-a shovel frame; 17-adjusting the positioning nut; 18-steel ball elastic force plunger; 19-a shovel needle; 20-short upright post; 21-a coupler; 22-vertical axis; 23-a motor; 24-a centering plate; 25-plugging a discharge door; 26-corner fittings; and 27-auxiliary beam.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A dry-type low-speed powder grinding device comprises a support frame, an annular grinding boat 1 arranged on the support frame, a vertical shaft 22 penetrating through the middle of the annular grinding boat 1, a motor 23 in transmission connection with the vertical shaft 22, a horizontal rotating rod 14 connected with the vertical shaft 22, a grinding wheel 2 arranged at one end of the horizontal rotating rod 14, and a shovel needle 19 arranged at the other end of the horizontal rotating rod 14. Wherein, the motor 23 is preferably an adjustable speed motor so as to adjust the most appropriate grinding speed according to different medicinal powders, and the annular grinding boat 1 generally adopts a V-shaped groove structure, so that the grinding effect is better.

The working principle of the invention is as follows: treat that the powder of grinding is arranged in annular mill 1, motor 23 drives horizontal rotary rod 14 rotatory through vertical axis 22, horizontal rotary rod 14 drives emery wheel 2 on the one hand and rolls along annular mill 1, in order to grind powder, on the other hand drives shovel 19 and is rolled the back along annular mill 1 plough shovel by emery wheel 2 and amasss the powder mud layer in annular mill 1 bottom, and cut open powder mud layer to both sides in annular mill 1, so that emery wheel 2 effectively grinds repeatedly, improve grinding efficiency and grinding effect, the powder that is plowed up simultaneously can carry out timely and quick heat dissipation, the too high influence medicine property of powder temperature has been avoided.

Specifically, the support frame comprises two long upright posts 7 which are oppositely arranged, two short upright posts 20 which are oppositely arranged, auxiliary beams 27 are respectively arranged on the opposite sides of the two long upright posts 7 and the opposite sides of the two short upright posts 20, and the annular grinding vessel 1 is arranged on the four auxiliary beams 27. The support frame is simple in structure and reliable in support strength. And the auxiliary beam 27 is fixedly connected with the long upright post 7, the short upright post 20 and the ring-shaped grinding ship 1 through corner pieces 26 and screws. The connection fixing structure is convenient to operate and high in stability.

In addition, a plurality of square holes are formed in the middle of the horizontal rotating rod 14, and one end of the vertical shaft 22 is a plurality of squares matched with the plurality of square holes. On one hand, the matching of the square holes and the square shafts can effectively transmit torque, so that the stable rotation of the horizontal rotating rod 14 is ensured, and on the other hand, the inserting matching of the shafts and the holes enables the up-down position of the horizontal rotating rod 14 to be adjustable, namely the up-down positions of the grinding wheel 2 and the shovel needle 19 at the two ends of the horizontal rotating rod 14 or the pressure between the grinding wheel and the annular grinding boat 1 to be adjustable.

Further, the top ends of the two long upright posts 7 are connected with a main beam 8, and a pressure adjusting mechanism is arranged between the main beam 8 and the horizontal rotating rod 14. The girder 8 further improves the structural stability of the whole support frame, and the pressure adjusting mechanism enables the pressure between the grinding wheel 2 and the annular grinding vessel 1 to be adjustable, so as to meet more grinding requirements. As a preferred mode of the pressure adjusting mechanism, the pressure adjusting mechanism includes an adjusting hole disposed in the middle of the main beam 8, a spring sleeve 9 with one end inserted into the adjusting hole, a spring 12 disposed in the spring sleeve 9, a thrust ball bearing 13 disposed at the lower end of the spring 12 and abutted against the horizontal rotating rod 14, and an elastic adjusting screw 10 disposed at the upper end of the spring 12 and in threaded connection with the inner side wall of the spring sleeve 9, wherein gaskets 11 are disposed between the spring 12 and the thrust ball bearing 13 and between the spring 12 and the elastic adjusting screw 10, so as to ensure the stability of the stress of the spring 12. The pressure adjusting mechanism mainly adjusts the compression amount of the spring 12 through the rotation of the elastic force adjusting screw 10, so as to adjust the pressure of the spring 12 on the horizontal rotating rod 14, because the hole-axis inserting relation between the horizontal rotating rod 14 and the vertical shaft 22, the upper and lower positions of the horizontal rotating rod 14 have a certain adjusting space (namely, the vertical shaft 22 and the horizontal rotating rod 14 have no other contact force except friction force in the vertical direction), thereby realizing the adjustment of the pressure between the grinding wheel 2 and the annular grinding boat 1, and meanwhile, the arrangement of the thrust ball bearing 13 avoids the influence of the pressure on the normal rotation of the horizontal rotating rod 14.

In order to ensure the concentricity of the vertical shaft 22 and the annular grinding vessel 1, a centering plate 24 is connected to the lower side surface of the annular grinding vessel 1, the motor 23 is connected to the lower side surface of the centering plate 24, and the output end of the motor 23 is connected with the vertical shaft 22 through a coupler 21. Specifically, the centering plate 24 and the ring mill 1 and the centering plate 24 and the motor 23 are centered through the seam allowances, namely, the installation and connection accuracy is ensured through the steps (the steps on the centering plate and the steps on the motor) matched with the inner diameters of the through hole in the middle of the ring mill and the through hole in the middle of the centering plate. The centering plate 24 ensures the concentricity of the output end of the motor 23, the vertical shaft 22 and the annular grinding boat 1, thereby ensuring the stability of the matching relationship between the grinding wheel 2 and the shovel needle 19 and the annular grinding boat 1 and ensuring the grinding effect.

The specific connection structure between the horizontal rotation rod 14 and the grinding wheel 2 is as follows: be equipped with emery wheel installation axle 5 between horizontal rotary rod 14 and emery wheel 2, emery wheel installation axle 5 one end with horizontal rotary rod 14 threaded connection, the other end pass through deep groove ball bearing 3 with emery wheel 2 is rotated and is connected, and carries out axial positioning through for the axle circlip 4 and hole circlip 6. The structure makes emery wheel 2 can roll along emery wheel installation axle 5 smoothly through deep groove ball bearing 3 to guarantee to grind the effect, and has guaranteed emery wheel 2's positional stability jointly through for the axle circlip 4 and hole circlip 6, has guaranteed the stability of emery wheel 2 and annular mill 1 cooperation relation promptly.

The specific connection structure between the horizontal rotating rod 14 and the shovel needle 19 is as follows: be equipped with shovel rack installation axle 15 and shovel rack 16 between horizontal rotary rod 14 and the shovel needle 19, shovel rack installation axle 15 one end with 14 threaded connection of horizontal rotary rod, 16 covers of shovel rack are located the 15 other ends of shovel rack installation axle, shovel rack installation axle 15 go up in 16 both sides of shovel rack all are equipped with adjust positioning nut 17, lower part threaded connection has steel ball elasticity plunger 18 in the shovel rack 16, shovel needle 19 with steel ball elasticity plunger 18's steel ball is contradicted. The mounting structure of the shovel needle 19 effectively adjusts the position of the shovel frame 16 on the shovel frame mounting shaft 15 through the two adjusting and positioning nuts 17 on one hand, and meanwhile, the two adjusting and positioning nuts 17 can effectively clamp and position the shovel frame 16, namely, the position of the shovel needle 19 can be effectively adjusted and positioned, so that the shovel needle 19 is adjusted to achieve the best plough shovel effect; on the other hand, the steel ball elastic plunger 18 is arranged to enable the shovel needle 19 to have certain flexibility, namely, enough contact or pressure with the annular grinding boat 1 can be ensured, and meanwhile, the sliding of the shovel needle along the annular grinding boat 1 is not influenced.

Finally, two plug-in discharging doors 25 are arranged on the side face of the annular grinding ship 1, and the two plug-in discharging doors 25 are arranged on the opposite sides. Plug discharge door 25 simple structure, two discharge doors make ejection of compact operation more convenient.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.