Energy-saving sand grinding machine

Abstract

The present invention relates to the technical field of sand mills, and in particular to an energy-saving sand mill, comprising a machine body and grinding balls, wherein a grinding base barrel and a movable base plate are arranged on the machine body, a rotating shaft is fixedly connected to the outer side of the grinding base barrel, a first grinding barrel is slidably arranged in the grinding base barrel, and a second grinding barrel is fixedly arranged in the grinding base barrel, the first grinding barrel is located between the grinding base barrel and the second grinding barrel, and the second grinding barrel is used to place materials and grinding balls. When the grinding balls are located at the limiting groove, the present invention allows the first grinding barrel to move upward, thereby throwing the grinding balls onto two groups of first arc-shaped rotating plates and two groups of second arc-shaped rotating plates, and then six second frustums guide the single block to continue to move upward, so that the two groups of first arc-shaped rotating plates and the two groups of second arc-shaped rotating plates are in an upwardly tilted state, and guide the grinding balls to the contact point between the semicircular ring and the rotating shaft, thereby dispersing the grinding balls accumulated at the bottom of the second grinding barrel.

Description

Technical Field

[0001] The invention relates to the technical field of sand grinding machines, in particular to an energy-saving sand grinding machine. Background Art

[0002] The stirring ball mill is a vertical stirring ball mill used for grinding fine-grained minerals. Its working principle is: by allowing the grinding balls to gain kinetic energy, the materials are hammered and broken by the mutual collision between the grinding balls, thereby achieving material grinding.

[0003] The existing technology mostly adopts a vertical ball mill mixing barrel disclosed in the announcement number CN213494072U, which includes a support assembly, a mixing assembly and a circulation assembly. The support assembly includes a support frame and a support frame, and the support frame is installed on the side of the support frame. The mixing assembly includes a barrel, a motor, a reducer, a drive shaft and a mixing rod. The barrel is installed on the support frame, the motor is installed on the support frame, the reducer is installed on the support frame, the motor and the reducer are connected through a belt drive, the drive shaft is installed on the reducer, and the drive shaft extends into the barrel. The technology has a simple overall structure and is easy to operate. It can achieve effective mixing by circulating abrasives. However, the above technology still has problems in use due to structural limitations:

[0004] Nowadays, most vertical ball mills use a rotating rod to move the grinding balls, so that the grinding balls crush and grind the materials in the grinding chamber. When the vertical ball mill is stopped, a large number of grinding balls accumulate at the bottom of the grinding chamber. If the rotating rod is driven to rotate at this time, a strong impact force is generated between the rotating rod and the grinding balls due to the excessive concentration of the grinding balls. This impact force can easily cause the grinding balls to break. However, the above technology does not have a component for dispersing the grinding balls accumulated at the bottom of the grinding chamber, and thus the breakage of the grinding balls cannot be avoided. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that there is no component for dispersing the grinding balls accumulated at the bottom of the grinding chamber in the prior art, and to propose an energy-saving sand powder mill.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] An energy-saving sand powder mill comprises a machine body and grinding balls, wherein a grinding base barrel and a movable base plate are arranged on the machine body, a rotating shaft rotatably connected to the side wall of the machine body is fixedly connected to the outer side of the grinding base barrel, a first grinding barrel is slidably arranged in the grinding base barrel, and a second grinding barrel is fixedly arranged in the grinding base barrel, the first grinding barrel is located between the grinding base barrel and the second grinding barrel, and the second grinding barrel is used to place materials and grinding balls, a first frustum guide block is integrally formed at the bottom side wall of the second grinding barrel, and a circular groove is opened at the center of the bottom end of the second grinding barrel, the first frustum guide block is equidistantly fixedly connected to six connecting blocks, the six connecting blocks are located at the circular groove and are commonly fixedly connected to arc convex blocks, one arc convex block, six connecting blocks and one first frustum guide block form six equidistant limiting grooves, and the first frustum guide block is used to guide the grinding balls to move into the limiting grooves;

[0008] A second truncated cone guide block is integrally formed at a position of the first grinding barrel away from the center of the bottom end, six discontinuous grooves are equidistantly provided on the second truncated cone guide block, and the second truncated cone guide block forms six second truncated cone guide single blocks through the six discontinuous grooves, the six second truncated cone guide single blocks are respectively slidably sleeved in the six limiting grooves, and the six second truncated cone guide single blocks are commonly fixedly connected with a movable hemispherical shell, the inner side of the movable hemispherical shell is movably abutted against the outer side of the arc convex block, a rotating shaft is rotatably installed at the lower end of the movable base plate, the arc surface normals of the six second truncated cone guide single blocks intersect with the rotating shaft, a sliding member is slidably provided at the lower end of the rotating shaft, and an arc end surface is integrally formed at the bottom end of the sliding member;

[0009] Two groups of first arc rotating plates and two groups of second arc rotating plates are rotatably installed on the rotating shaft, the two groups of the first arc rotating plates are symmetrically arranged on the rotating shaft, and the number of the first arc rotating plates in one group is five, the two groups of the second arc rotating plates are symmetrically arranged on the rotating shaft, and the number of the second arc rotating plates in one group is four, any one of the second arc rotating plates is located between any two of the first arc rotating plates, any one of the first arc rotating plates and any one of the second arc rotating plates are fixedly connected to a semicircular ring at the bottom end, and the inner arc end of the semicircular ring is movably abutted against the outer arc end of the rotating shaft, any one of the first arc rotating plates and any one of the second arc rotating plates are fixedly connected to a plurality of blocking arc plates, and a driving assembly is arranged on the machine body and the movable base plate, and is used to drive the movable base plate to move up and down, drive the rotating shaft to rotate, drive the first grinding barrel to move up and down, and drive the grinding base barrel to rotate;

[0010] A connecting component is provided between the sliding member and the two groups of the first arc rotating plates and the two groups of the second arc rotating plates, and the connecting component is used to drive the two groups of the first arc rotating plates and the two groups of the second arc rotating plates to rotate synchronously. When the movable hemispherical shell is separated from the arc end surface, the two groups of the first arc rotating plates and the two groups of the second arc rotating plates are in a downward tilted state. When the first grinding barrel moves upward, the six second frustums guide the single block to throw the grinding balls onto the two groups of the first arc rotating plates and the two groups of the second arc rotating plates, and then the movable hemispherical shell is abutted against the arc end surface, so that the two groups of the first arc rotating plates and the two groups of the second arc rotating plates are in an upward tilted state.

[0011] Preferably, the driving assembly includes a first driving motor fixedly mounted on the side wall of the machine body, and the output end of the first driving motor is fixedly connected to the rotating shaft, a second driving motor is fixedly mounted on the upper end of the movable base plate, and the output end of the second driving motor is fixedly connected to the rotating shaft, a pulling cylinder fixedly mounted on the lower end of the movable base plate and fixedly connected to the first grinding barrel, and a driving cylinder fixedly mounted on the side wall of the machine body and fixedly connected to the movable base plate.

[0012] Preferably, a first arc groove is opened at the bottom end of the grinding base barrel, a discharge pipe is fixedly installed at the center of the first arc groove, and an opening and closing valve is provided on the discharge pipe, and a third conical guide block is fixedly connected to the bottom side wall of the first grinding barrel, and the third conical guide block is used to guide the crushed material to move to the bottom side wall of the first grinding barrel.

[0013] Preferably, a vertical slide groove is provided in the grinding base barrel, the first grinding barrel is slidably mounted in the vertical slide groove, the grinding base barrel and the second grinding barrel are fixedly arranged by bolts, the movable hemispherical shell and the six second truncated cone guide blocks are fixedly connected by bolts, the six connecting blocks are each provided with two inclined surfaces, and the inclined surfaces are used to guide the crushed materials to move into the limiting groove, a second arc groove is provided at the center of the bottom end of the first grinding barrel, and discharge holes are provided at the six intermittent grooves, the arc surface of one of the third truncated cone guide blocks, and the center of one of the second arc grooves.

[0014] Preferably, a guide groove is provided at the lower end of the rotating shaft, a cover plate adapted to the second grinding barrel is fixedly connected to the upper end of the rotating shaft, a placement long groove is provided at the center of the sliding member, and the lower end of the rotating shaft is slidably sleeved in the placement long groove, a guide slider is integrally formed at the upper end of the placement long groove, and the guide slider is slidably sleeved in the guide groove.

[0015] Preferably, the connecting assembly includes four first telescopic rods pin-mounted on the upper end of the sliding member, the output ends of the four first telescopic rods are respectively pin-connected to the two lowest first arc-shaped rotating plates and the two lowest second arc-shaped rotating plates, a plurality of second telescopic rods are arranged on the two groups of the first arc-shaped rotating plates and the two groups of the second arc-shaped rotating plates, any two first arc-shaped rotating plates have their side ends commonly pin-connected to a second telescopic rod, and any two second arc-shaped rotating plates have their side ends commonly pin-connected to a second telescopic rod.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] 1. When the grinding balls are located at the limiting grooves, the present invention allows the first grinding barrel to move upward so that the upper ends of the six second truncated cone guide blocks extend out of the six limiting grooves respectively, and then the grinding balls are thrown onto the two groups of first arc-shaped rotating plates and the two groups of second arc-shaped rotating plates. After that, the six second truncated cone guide blocks continue to move upward so that the two groups of first arc-shaped rotating plates and the two groups of second arc-shaped rotating plates are in an upwardly inclined state, and the grinding balls are guided to the contact point between the semicircular ring and the rotating shaft, so that the grinding balls accumulated at the bottom of the second grinding barrel are dispersed, and the grinding balls are prevented from being broken due to the collision between the rotating first arc-shaped rotating plates and the second arc-shaped rotating plates and the accumulated grinding balls.

[0018] 2. After the material grinding is completed, the present invention allows the first grinding barrel to move downward, so that the crushed material falls from the gap between the second truncated cone guide block and the limiting groove, and is discharged to the first arc groove through the discharge hole. At the same time, the crushed material is discharged from the grinding base barrel by using the opening and closing valve on the discharge pipe. At this time, the movable hemispherical shell is separated from the arc end surface, and the sliding part moves downward under the action of gravity, so that the two groups of first arc rotating plates and the two groups of second arc rotating plates are in a downward tilted state, and the grinding balls on the two groups of first arc rotating plates and the two groups of second arc rotating plates fall. The falling grinding balls are guided by the first truncated cone guide block and move to the limiting groove, thereby discharging the crushed material while concentrating the grinding balls at the limiting groove to facilitate the subsequent dispersion of the grinding balls. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of an energy-saving sand grinding machine proposed by the present invention;

[0020] Figure 2 It is a front cross-sectional schematic diagram of two groups of first arc-shaped rotating plates and two groups of second arc-shaped rotating plates of an energy-saving sand grinding machine proposed by the present invention in an upwardly inclined state;

[0021] Figure 3 For the present invention Figure 2 A magnified schematic diagram of part A;

[0022] Figure 4 It is a front cross-sectional schematic diagram of a grinding base barrel, a first grinding barrel and a second grinding barrel of an energy-saving sand powder mill proposed by the present invention when they are combined;

[0023] Figure 5 A schematic cross-sectional view of a grinding base barrel and a second grinding barrel of an energy-saving sand powder mill proposed by the present invention;

[0024] Figure 6 A schematic top view of a grinding base barrel and a second grinding barrel of an energy-saving sand powder mill proposed by the present invention;

[0025] Figure 7 This is a front cross-sectional schematic diagram of a first grinding barrel of an energy-saving sand grinding machine proposed by the present invention;

[0026] Figure 8 A schematic top view of a first grinding barrel of an energy-saving sand grinding machine proposed by the present invention;

[0027] Fig. 9 This is a schematic structural diagram of a rotating shaft, two sets of first arc-shaped rotating plates and two sets of second arc-shaped rotating plates of an energy-saving sand grinding machine proposed by the present invention;

[0028] Fig.10 A schematic top view of a rotating shaft, two sets of first arc-shaped rotating plates and two sets of second arc-shaped rotating plates of an energy-saving sand grinding machine proposed by the present invention;

[0029] Fig.11 This is a schematic diagram of the rotating shaft structure of an energy-saving sand grinding machine proposed by the present invention;

[0030] Fig.12 A schematic diagram of the structure of a group of first arc-shaped rotating plates of an energy-saving sand grinding machine proposed by the present invention;

[0031] Fig.13 A schematic diagram of the structure of a group of second arc-shaped rotating plates of an energy-saving sand grinding machine proposed by the present invention;

[0032] Fig.14 A schematic front cross-sectional view of a sliding part of an energy-saving sand grinding machine proposed by the present invention;

[0033] Fig.15 A schematic diagram of the structure of a first arc-shaped rotating plate of an energy-saving sand grinding machine proposed by the present invention;

[0034] Fig.16 A schematic diagram of an energy-saving sand grinding machine proposed by the present invention, in which two sets of first arc-shaped rotating plates and two sets of second arc-shaped rotating plates are in a downwardly inclined state, and the grinding balls are in the limiting grooves;

[0035] Fig.17 For the present invention Fig.16 A magnified schematic diagram of part B;

[0036] Fig.18 This is a schematic diagram of the energy-saving sand powder mill proposed by the present invention when the first grinding barrel moves upward to throw the grinding balls onto two sets of first arc-shaped rotating plates and two sets of second arc-shaped rotating plates;

[0037] Fig.19 For the present invention Fig.18 Enlarged schematic diagram of part C of FIG.

[0038] In the figure: 1, machine body; 2, grinding base barrel; 3, first grinding barrel; 4, second grinding barrel; 5, first truncated cone guide block; 6, connecting block; 7, arc convex block; 8, second truncated cone guide block; 9, discontinuous groove; 10, moving hemispherical shell; 11, sliding member; 12, arc end face; 13, first arc rotating plate; 14, second arc rotating plate; 15, semicircular ring member; 16, blocking arc plate; 17, grinding ball; 18, first driving motor ; 19. Second driving motor; 20. Vertical slide; 21. Pulling cylinder; 22. First circular arc groove; 23. Discharge pipe; 24. Third truncated cone guide block; 25. Second circular arc groove; 26. Guide slide; 27. Place long groove; 28. First telescopic rod; 29. ​​Second telescopic rod; 30. Discharge hole; 31. Cover plate; 32. Driving cylinder; 33. Moving substrate; 34. Rotating axis; 35. Rotating axis; 36. Circular groove. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0040] Reference Figure 1-Figure 19 An energy-saving sand powder mill comprises a machine body 1 and grinding balls 17, and the machine body 1 and the grinding balls 17 are used for dry grinding processing. A grinding base barrel 2 and a movable base plate 33 are arranged on the machine body 1. A rotating shaft 35 which is rotatably connected to the side wall of the machine body 1 is fixedly connected to the outer side of the grinding base barrel 2. A first grinding barrel 3 is slidably arranged in the grinding base barrel 2, and a second grinding barrel 4 is fixedly arranged in the grinding base barrel 2. The first grinding barrel 3 is located between the grinding base barrel 2 and the second grinding barrel 4, and the second grinding barrel 4 is used to place materials and grinding balls 17. Figure 5 and attached Figure 6As shown, a first truncated cone guide block 5 is integrally formed at the bottom side wall of the second grinding barrel 4, and a circular groove 36 is opened at the center of the bottom end of the second grinding barrel 4. The first truncated cone guide block 5 is equidistantly fixedly connected with six connecting blocks 6. The six connecting blocks 6 are located at the circular groove 36 and are commonly fixedly connected with an arc convex block 7. One arc convex block 7, six connecting blocks 6 and one first truncated cone guide block 5 form six equidistant limiting grooves. When the grinding balls 17 fall to the bottom side wall of the second grinding barrel 4, the first truncated cone guide block 5 is used to guide the grinding balls 17 to the limiting grooves, so as to facilitate the subsequent dispersion of the grinding balls 17. At the same time, the arc convex block 7 is used to guide the crushed materials on its surface to move to the limiting grooves.

[0041] Preferably, as attached Figure 7 and attached Figure 8 As shown, the first grinding barrel 3 is integrally formed with a second truncated cone guide block 8 away from the center of the bottom end, and six discontinuous grooves 9 are equidistantly provided on the second truncated cone guide block 8, and the second truncated cone guide block 8 forms six second truncated cone guide single blocks through the six discontinuous grooves 9, so that the six second truncated cone guide single blocks are respectively slidably sleeved in the six limiting grooves, and the six second truncated cone guide single blocks are commonly fixedly connected with a moving hemispherical shell 10, and the moving hemispherical shell 10 is used to guide the grinding balls 17 and the crushed materials on its surface to move to the limiting grooves, and the lower end of the moving base plate 33 is rotatably installed with a rotating shaft 34, as shown in the attached Fig.16 and attached Fig.17 As shown, since the arc surface normals of the six second truncated cone guide blocks intersect with the rotation axis 34, when the six second truncated cone guide blocks move upward, the second truncated cone guide blocks provide an upward force component and a force component toward the rotation axis 34 to the grinding balls 17 located at the limiting grooves, thereby arranging the grinding balls 17 to the rotation axis 34, and the lower end of the rotation axis 34 is slidably provided with a sliding member 11, and the bottom end of the sliding member 11 is integrally formed with an arc end surface 12. When the movable hemispherical shell 10 moves upward and abuts against the arc end surface 12, The sliding member 11 is pushed to move upward, and when the moving hemispherical shell 10 moves downward, it is separated from the arc end surface 12, so that the sliding member 11 moves downward under the action of gravity, and when the inner side of the moving hemispherical shell 10 and the outer side of the arc protrusion 7 are movably abutted, the upper ends of the six second truncated cone guide blocks are respectively located in the six limiting grooves, thereby opening the six limiting grooves, and when the moving hemispherical shell 10 is separated from the arc protrusion 7, the upper ends of the six second truncated cone guide blocks are respectively extended out of the six limiting grooves, thereby closing the six limiting grooves;

[0042] Preferably, as attached Fig. 9 and attached Fig.10As shown, two groups of first arc rotating plates 13 and two groups of second arc rotating plates 14 are rotatably installed on the rotating shaft 34, the two groups of first arc rotating plates 13 are symmetrically arranged on the rotating shaft 34, and the number of first arc rotating plates 13 in one group is five, the two groups of second arc rotating plates 14 are symmetrically arranged on the rotating shaft 34, and the number of second arc rotating plates 14 in one group is four, any second arc rotating plate 14 is located between any two first arc rotating plates 13, and the bottom ends of any first arc rotating plates 13 and any second arc rotating plates 14 are fixedly connected with semicircular ring members 15, and when the inner arc end of the semicircular ring member 15 and the outer arc end of the rotating shaft 34 are movably abutted, the first arc rotating plate 13 and the second arc rotating plate 14 are rotated. The rotating plate 14 is in an upward tilting state, and a plurality of blocking arc plates 16 are fixedly connected to any one of the first arc rotating plates 13 and any one of the second arc rotating plates 14. When the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 are in a downward tilting state, the grinding balls 17 are thrown onto the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 by the second truncated table guiding the single block, and the grinding balls 17 are prevented from falling by the blocking arc plates 16. A driving assembly is provided on the machine body 1 and the movable base plate 33, and is used to drive the movable base plate 33 to move up and down, drive the rotating shaft 34 to rotate, drive the first grinding barrel 3 to move up and down, and drive the grinding base barrel 2 to rotate;

[0043] Preferably, a connecting assembly is provided between the sliding member 11 and the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14, and the connecting assembly is used to drive the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14 to rotate synchronously. When the grinding process is completed, the movable hemispherical shell 10 is separated from the arc end surface 12, so that the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14 are in a downwardly inclined state, and the grinding parts on the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14 are moved to the rotating surface 12. The grinding balls 17 fall to the bottom side wall of the second grinding barrel 4, and when the first grinding barrel 3 moves upward, the six second frustum guide blocks throw the grinding balls 17 onto the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14, and then the movable hemispherical shell 10 is abutted against the arc end surface 12, so that the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14 are in an upward tilted state, and the grinding balls 17 are guided to the contact point between the semicircular ring 15 and the rotating shaft 34, and then the grinding balls 17 are dispersed.

[0044] The driving assembly includes a first driving motor 18 fixedly mounted on the side wall of the machine body 1, and the output end of the first driving motor 18 is fixedly connected to the rotating shaft 35. When the grinding balls 17 in the second grinding barrel 4 need to be poured out, the first driving motor 18 is used to rotate the grinding base barrel 2 to pour out the grinding balls 17. At the same time, a second driving motor 19 is fixedly mounted on the upper end of the movable base plate 33, and the output end of the second driving motor 19 is fixedly connected to the rotating shaft 34. When grinding is required, the second driving motor 19 is used to drive the two sets of first arc rotating plates 13 and the two sets of second arc rotating plates 14 to drive the grinding balls. 17 is moved to grind the material, and a pulling cylinder 21 fixedly connected to the first grinding barrel 3 is fixedly installed at the lower end of the movable base plate 33. The first grinding barrel 3 is moved up and down by pulling the cylinder 21 to change the position of the movable hemispherical shell 10 and the second truncated cone guiding block, and a driving cylinder 32 fixedly connected to the movable base plate 33 is fixedly installed on the side wall of the body 1. When it is necessary to clean the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14, the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14 are taken away from the second grinding barrel 4 by the driving cylinder 32.

[0045] Preferably, a vertical slide groove 20 is opened in the grinding base barrel 2, the first grinding barrel 3 is slidably mounted in the vertical slide groove 20, the grinding base barrel 2 and the second grinding barrel 4 are fixed by bolts, and the movable hemispherical shell 10 and the six second truncated cone guide blocks are fixedly connected by bolts.

[0046] It is particularly noted that when the driving cylinder 32 drives the movable base plate 33 to move upward, the output end of the pulling cylinder 21 is extended downward to maintain the position of the first grinding barrel 3, and when the driving cylinder 32 drives the movable base plate 33 to move downward, the output end of the pulling cylinder 21 is retracted upward to maintain the position of the first grinding barrel 3; when the grinding base barrel 2, the first grinding barrel 3 and the second grinding barrel 4 need to be disassembled, the connection between the movable hemispherical shell 10 and the six second truncated cone guide blocks is first released, and then the connection between the second grinding barrel 4 and the grinding base barrel 2 is released, and finally the connection between the output end of the pulling cylinder 21 and the first grinding barrel 3 is released, and the first grinding barrel 3 is pulled out of the grinding base barrel 2;

[0047] Preferably, a first arc groove 22 is opened at the bottom end of the grinding base barrel 2, and the first arc groove 22 is used to guide the crushed material to move to the center of the first arc groove 22, and a discharge pipe 23 is fixedly installed at the center of the first arc groove 22, and an opening and closing valve is provided on the discharge pipe 23, and the opening and closing valve is used to discharge the crushed material from the grinding base barrel 2, and a third conical guide block 24 is fixedly connected to the bottom side wall of the first grinding barrel 3, and the third conical guide block 24 is used to guide the crushed material to move to the bottom side wall of the first grinding barrel 3.

[0048] The six connecting blocks 6 are all provided with two inclined surfaces. When the grinding balls 17 and the crushed materials are located on the inclined surfaces, the inclined surfaces are used to guide the crushed materials and the grinding balls 17 to move to the limiting grooves on both sides. A second arc groove 25 is provided at the center of the bottom end of the first grinding barrel 3. The second arc groove 25 is used to guide the crushed materials to move to the center of the second arc groove 25. The six intermittent grooves 9, a third truncated cone guide block 24, and a second arc groove 25 center are all provided with discharge holes 30. Under the guidance of the third truncated cone guide block 24 and the second arc groove 25, the crushed materials are moved to the discharge hole 30.

[0049] In particular, if the attached Figure 4 and attached Figure 7 As shown, six avoidance grooves are provided at the positions of the movable hemispherical shell 10 and the six connecting blocks 6, and the six avoidance grooves and the six discontinuous grooves 9 are used to avoid the six connecting blocks 6;

[0050] A guide groove 26 is provided at the lower end of the rotating shaft 34, and a cover plate 31 adapted to the second grinding barrel 4 is fixedly connected to the upper end of the rotating shaft 34 for closing the second grinding barrel 4. At the same time, a placement long groove 27 is provided at the center of the sliding member 11, and the lower end of the rotating shaft 34 is slidably sleeved in the placement long groove 27, and a guide slider is integrally formed at the upper end of the placement long groove 27, and the guide slider is slidably sleeved in the guide groove 26.

[0051] Preferably, as attached Fig.10 , Attachment Fig.12 and attached Fig.13As shown, the connecting assembly includes four first telescopic rods 28 pin-mounted on the upper end of the sliding member 11, and the output ends of the four first telescopic rods 28 are respectively pin-connected with the two lowest first arc-shaped rotating plates 13 and the two lowest second arc-shaped rotating plates 14, and a plurality of second telescopic rods 29 are arranged on the two groups of first arc-shaped rotating plates 13 and the two groups of second arc-shaped rotating plates 14, and the side ends of any two first arc-shaped rotating plates 13 are commonly pin-connected with a second telescopic rod 29, and the side ends of any two second arc-shaped rotating plates 14 are commonly pin-connected with a second telescopic rod 29. When the sliding member 11 moves upward, the four first telescopic rods 28 push the two lowest first arc-shaped rotating plates 13 and the two lowest second arc-shaped rotating plates 14. The two arc rotating plates 14 rotate upward, and the two lowest first arc rotating plates 13 and the two lowest second arc rotating plates 14 drive the previous first arc rotating plate 13 and the second arc rotating plate 14 to rotate upward through the second telescopic rod 29, and the previous first arc rotating plate 13 and the second arc rotating plate 14 drive the previous first arc rotating plate 13 and the second arc rotating plate 14 to rotate upward through the second telescopic rod 29, so that the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 rotate upward at the same time, and when the sliding member 11 moves downward, the first arc rotating plate 13 and the two groups of second arc rotating plates 14 rotate downward at the same time according to the above steps.

[0052] The present invention can be explained by the following operation mode:

[0053] First, pour the material and the grinding balls 17 into the second grinding barrel 4, and start the driving cylinder 32, so that the driving cylinder 32 drives the moving base plate 33 to move downward, and the moving base plate 33 makes the two sets of first arc-shaped rotating plates 13 and the two sets of second arc-shaped rotating plates 14 located in the second grinding barrel 4 through the rotating shaft 34, and then start the pulling cylinder 21, so that the pulling cylinder 21 drives the first grinding barrel 3 to move upward, as shown in the attached figure. Figure 2 and attached Figure 3 As shown, the upper ends of the six second truncated cone guide blocks extend out of the six limiting grooves respectively, thereby closing the six limiting grooves, and at the same time, the hemispherical shell 10 is moved to abut against the arc end surface 12, so that the sliding member 11 moves upward along the guiding slide groove 26, and the sliding member 11 pushes the two lowest first arc rotating plates 13 and the two lowest second arc rotating plates 14 to rotate upward through the four first telescopic rods 28, and the lowest first arc rotating plate 13 and the lowest second arc rotating plate 14 both drive the remaining first arc rotating plates 13 and the remaining second arc rotating plates 14 to rotate upward together through the second telescopic rod 29, so that the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 are in an upward tilted state, and at this time, the inner arc ends of the semicircular ring members 15 of the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 abut against the outer arc end of the rotating shaft 34;

[0054] Then, the second driving motor 19 is started, and the second driving motor 19 drives the rotating shaft 34 to rotate, and the rotating shaft 34 drives the two sets of first arc rotating plates 13 and the two sets of second arc rotating plates 14 to rotate, and drives the grinding balls 17 to move, and then the materials are hammered and crushed under the mutual collision between the grinding balls 17, so as to grind the materials;

[0055] After the material is ground, the pulling cylinder 21 is started to move the first grinding barrel 3 downward. Fig.16 and attached Fig.17 As shown, the upper ends of the six second truncated cone guide blocks are respectively located in the six limiting grooves, and then the six limiting grooves are opened to allow the crushed materials to fall from the gaps between the second truncated cone guide blocks and the limiting grooves, and under the guidance of the third truncated cone guide block 24 and the second arc groove 25, the crushed materials are moved to the discharge holes 30 of the third truncated cone guide block 24 and the discharge holes 30 of the second arc groove 25, and then discharged to the first arc groove 22, and the crushed materials are guided by the first arc groove 22 to gather at the center of the first arc groove 22, and the crushed materials are discharged from the grinding base barrel 2 by using the opening and closing valve on the discharge pipe 23;

[0056] At the same time, as attached Fig.16 and attached Fig.17 As shown, the six second truncated cone guide blocks moving downward drive the movable hemispherical shell 10 to move downward, so that the inner side of the movable hemispherical shell 10 abuts against the outer side of the arc convex block 7. At this time, the movable hemispherical shell 10 is separated from the arc end surface 12, and the sliding member 11 moves downward under the action of gravity, and the sliding member 11 pulls the two lowest first arc rotating plates 13 and the two lowest second arc rotating plates 14 to rotate downward through the four first telescopic rods 28, and uses the second telescopic rod 29 to drive the remaining first arc rotating plates 13 and the second arc rotating plates 14 to rotate downward together, so that the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 are in a downward tilted state, and the grinding balls 17 located on the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 fall down, and the falling grinding balls 17 are guided by the first truncated cone guide block 5, and move to the limit groove;

[0057] When the next grinding process is required, the pulling cylinder 21 is started to move the first grinding barrel 3 upward. Fig.18 and attached Fig.19As shown, the upper ends of the six second frustum guide blocks extend out of the six limit grooves respectively. At the same time, since the arc surface normals of the six second frustum guide blocks intersect with the rotation axis 34, the second frustum guide blocks provide an upward component force and a component force toward the rotation axis 34 to the grinding ball 17, thereby throwing the grinding ball 17 onto the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14. After that, the six second frustum guide blocks continue to move upward, allowing the movable hemispherical shell 10 to abut against the arc end surface 12, so that the two groups of first arc rotating plates 13 and the two groups of second arc rotating plates 14 are in an upward tilted state, and guide the grinding ball 17 to the contact point between the semicircular ring 15 and the rotation axis 34.

[0058] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving sand grinding machine, comprising a machine body (1) and grinding balls (17), characterized in that: The machine body (1) is provided with a grinding base barrel (2) and a movable base plate (33); the outer side of the grinding base barrel (2) is fixedly connected to a rotating shaft (35) which is rotatably connected to the side wall of the machine body (1); a first grinding barrel (3) is slidably arranged in the grinding base barrel (2); and a second grinding barrel (4) is fixedly arranged in the grinding base barrel (2); the first grinding barrel (3) is located between the grinding base barrel (2) and the second grinding barrel (4); and the second grinding barrel (4) is used to place materials and grinding balls (17); and the bottom side wall of the second grinding barrel (4) is A first truncated cone guide block (5) is integrally formed therewith, and a circular groove (36) is provided at the center of the bottom end of the second grinding barrel (4); the first truncated cone guide block (5) is equidistantly fixedly connected to six connecting blocks (6); the six connecting blocks (6) are located at the circular groove (36) and are commonly fixedly connected to an arc convex block (7); one arc convex block (7) forms six equidistant limiting grooves with the six connecting blocks (6) and one first truncated cone guide block (5); the first truncated cone guide block (5) is used to guide the grinding balls (17) to move into the limiting grooves; A second truncated cone guide block (8) is integrally formed at a position away from the center of the bottom end of the first grinding barrel (3); six discontinuous grooves (9) are equidistantly formed on the second truncated cone guide block (8); and the second truncated cone guide block (8) forms six second truncated cone guide blocks through the six discontinuous grooves (9); the six second truncated cone guide blocks are respectively slidably sleeved in the six limit grooves; and the six second truncated cone guide blocks are commonly fixedly connected to a movable hemispherical shell (10); the inner side of the movable hemispherical shell (10) is movably abutted against the outer side of the arc convex block (7); a rotating shaft (34) is rotatably mounted at the lower end of the movable base plate (33); the arc surface normals of the six second truncated cone guide blocks intersect with the rotating shaft (34); a sliding member (11) is slidably arranged at the lower end of the rotating shaft (34); and an arc end surface (12) is integrally formed at the bottom end of the sliding member (11); Two groups of first arc-shaped rotating plates (13) and two groups of second arc-shaped rotating plates (14) are rotatably mounted on the rotating shaft (34); the two groups of the first arc-shaped rotating plates (13) are symmetrically arranged on the rotating shaft (34), and the number of the first arc-shaped rotating plates (13) in one group is five; the two groups of the second arc-shaped rotating plates (14) are symmetrically arranged on the rotating shaft (34), and the number of the second arc-shaped rotating plates (14) in one group is four; any one of the second arc-shaped rotating plates (14) is located between any two of the first arc-shaped rotating plates (13); any one of the first arc-shaped rotating plates (13) and any one of the second arc-shaped rotating plates (14) are located between any two of the first arc-shaped rotating plates (13); The bottom end of each of the second arc-shaped rotating plates (14) is fixedly connected to a semicircular ring member (15), and the inner arc end of the semicircular ring member (15) movably abuts against the outer arc end of the rotating shaft (34); a plurality of blocking arc plates (16) are fixedly connected to any one of the first arc-shaped rotating plates (13) and any one of the second arc-shaped rotating plates (14); a driving component is provided on the machine body (1) and the movable base plate (33), and is used to drive the movable base plate (33) to move up and down, drive the rotating shaft (34) to rotate, drive the first grinding barrel (3) to move up and down, and drive the grinding base barrel (2) to rotate; A connecting assembly is provided between the sliding member (11) and the two groups of the first arc-shaped rotating plates (13) and the two groups of the second arc-shaped rotating plates (14), and is used to drive the two groups of the first arc-shaped rotating plates (13) and the two groups of the second arc-shaped rotating plates (14) to rotate synchronously. When the movable hemispherical shell (10) is separated from the arc end surface (12), the two groups of the first arc-shaped rotating plates (13) and the two groups of the second arc-shaped rotating plates (14) are in a downward tilting state. When the first grinding barrel (3) moves upward, the six second frustums guide the single block to throw the grinding balls (17) onto the two groups of the first arc-shaped rotating plates (13) and the two groups of the second arc-shaped rotating plates (14), and then the movable hemispherical shell (10) is abutted against the arc end surface (12), so that the two groups of the first arc-shaped rotating plates (13) and the two groups of the second arc-shaped rotating plates (14) are in an upward tilting state.

2. An energy-saving sand grinding machine according to claim 1, characterized in that: The driving assembly comprises a first driving motor (18) fixedly mounted on the side wall of the machine body (1), and the output end of the first driving motor (18) is fixedly connected to the rotating shaft (35); a second driving motor (19) is fixedly mounted on the upper end of the movable base plate (33), and the output end of the second driving motor (19) is fixedly connected to the rotating shaft (34); a pulling cylinder (21) fixedly connected to the first grinding barrel (3) is fixedly mounted on the lower end of the movable base plate (33); and a driving cylinder (32) fixedly connected to the movable base plate (33) is fixedly mounted on the side wall of the machine body (1).

3. An energy-saving sand grinding machine according to claim 2, characterized in that: A first arc groove (22) is formed at the bottom end of the grinding base barrel (2), a discharge pipe (23) is fixedly installed at the center of the first arc groove (22), and an opening and closing valve is provided on the discharge pipe (23), and a third frustum guide block (24) is fixedly connected to the bottom side wall of the first grinding barrel (3), and the third frustum guide block (24) is used to guide the crushed material to move to the bottom side wall of the first grinding barrel (3).

4. The energy-saving sand grinding machine according to claim 3 is characterized in that: A vertical slide groove (20) is provided in the grinding base barrel (2), the first grinding barrel (3) is slidably sleeved in the vertical slide groove (20), the grinding base barrel (2) and the second grinding barrel (4) are fixedly arranged by bolts, the movable hemispherical shell (10) and the six second truncated cone guide blocks are fixedly connected by bolts, the six connecting blocks (6) are each provided with two inclined surfaces, and the inclined surfaces are used to guide the crushed materials to move into the limiting groove, a second arc groove (25) is provided at the center of the bottom end of the first grinding barrel (3), and a discharge hole (30) is provided at the arc surface of the six discontinuous grooves (9), one of the third truncated cone guide blocks (24) and the center of one of the second arc grooves (25).

5. The energy-saving sand grinding machine according to claim 4, characterized in that: A guide slide groove (26) is formed at the lower end of the rotating shaft (34); a cover plate (31) adapted to the second grinding barrel (4) is fixedly connected to the upper end of the rotating shaft (34); a placement slot (27) is formed at the center of the sliding member (11); the lower end of the rotating shaft (34) is slidably sleeved in the placement slot (27); a guide slide block is integrally formed at the upper end of the placement slot (27); and the guide slide block is slidably sleeved in the guide slide groove (26).

6. The energy-saving sand grinding machine according to claim 5, characterized in that: The connection assembly comprises four first telescopic rods (28) pin-mounted on the upper end of the sliding member (11); the output ends of the four first telescopic rods (28) are respectively pin-connected to two lowermost first arc-shaped rotating plates (13) and two lowermost second arc-shaped rotating plates (14); a plurality of second telescopic rods (29) are arranged on two groups of the first arc-shaped rotating plates (13) and two groups of the second arc-shaped rotating plates (14); the side ends of any two first arc-shaped rotating plates (13) are commonly pin-connected to a second telescopic rod (29); and the side ends of any two second arc-shaped rotating plates (14) are commonly pin-connected to a second telescopic rod (29).

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