Vertical sand mill capable of automatically resetting barrel

Abstract

The invention belongs to the technical field of grinding, and particularly relates to a vertical sand mill capable of automatically resetting a barrel, which comprises a support frame, a containing groove is formed in the support frame, the sand mill barrel is arranged in the containing groove, a sliding frame is arranged at the bottom of the containing groove in a sliding manner, the sand mill barrel is arranged above the sliding frame, and the sand mill barrel is arranged above the sliding frame. The sliding frame can move at the bottom of the containing groove and drive the sand mill barrel to move out of the containing groove, a grinding part is arranged in the sand mill barrel, and a lifting mechanism is arranged above the supporting frame and used for driving the grinding part to move upwards; the lifting mechanism is controlled to drive the grinding part to move upwards, so that the grinding part is far away from the sand mill barrel, then the sand mill barrel is driven by the sliding frame to move at the bottom of the containing groove, so that the sand mill barrel is far away from the containing groove, and through the design, the sand mill barrel and the grinding part can be automatically taken out, so that replacement or maintenance of the barrel and the grinding part is facilitated; and manual operation is not needed, and convenience and rapidness are achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of grinding, and specifically relates to a vertical sand mill with automatic reset of the cylinder body. Background Art

[0002] A sand mill is an efficient wet ultra-fine grinding and dispersing device. By driving the grinding medium through a high-speed rotating agitator to generate shear, collision and friction, the nano-level refinement of material particles is realized, and continuous processing and discharging of materials can be achieved, greatly improving the production efficiency.

[0003] Currently, when the cylinder body and / or the grinding part of the vertical sand mill on the market need to be replaced or repaired, the grinding part needs to be separated from the cylinder body to facilitate the replacement or repair of the cylinder body and / or the grinding part.

[0004] However, in the traditional method, the grinding part is lifted manually or with the help of other auxiliary tools to separate from the cylinder body, and the cylinder body is manually removed from the sand mill. Due to the large volume and weight of the grinding part and the cylinder body, the manual labor intensity is relatively large, the intelligence level is relatively low, and it is not safe and the efficiency is also low.

[0005] Therefore, the present invention provides a vertical sand mill with automatic reset of the cylinder body. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A vertical sand mill with automatic reset of the cylinder body according to the present invention includes a support frame. An accommodation groove is provided inside the support frame. A sand mill cylinder body is provided inside the accommodation groove. A sliding frame is slidably provided at the bottom of the accommodation groove. The sand mill cylinder body is arranged above the sliding frame. The sliding frame can move at the bottom of the accommodation groove and drive the sand mill cylinder body out of the inside of the accommodation groove. A grinding part is provided inside the sand mill cylinder body. A lifting mechanism is provided above the support frame, and the lifting mechanism is used to drive the grinding part to move upward.

[0008] Preferably, the lifting mechanism includes a protective frame. The protective frame is provided above the support frame. A reciprocating cylinder is fixedly installed inside the protective frame. The telescopic end of the reciprocating cylinder is connected to the top end of the grinding part. During operation, when the grinding part needs to be taken out, at this time, by controlling the movement of the telescopic end of the reciprocating cylinder, the telescopic end drives the grinding part to move upward. Then the grinding part will move upward from the inside of the sand mill cylinder body and gradually move upward from inside the support frame and the protective frame, that is, the function of automatically taking out the grinding part is realized, and the operation is relatively convenient.

[0009] Preferably, a limiting groove is formed in the lower side of the inner part of the support frame, the sliding frame is slidably arranged inside the limiting groove, a moving unit is arranged at the telescopic end of the reciprocating cylinder, and the moving unit is used to drive the sliding frame away from the inside of the accommodating groove; during operation, when the telescopic end of the reciprocating cylinder drives the grinding part to move upward, the telescopic end of the reciprocating cylinder will drive the sliding frame to move through the action of the moving unit, that is, the sliding frame will move inside the limiting groove. Under the mutual limitation of the sliding frame and the limiting groove, it is convenient for the sliding frame to move along the axis, which is beneficial to the sliding frame to drive the sand mill cylinder to move, so that the sand mill cylinder will not shift during movement, which is beneficial to the subsequent maintenance and replacement of the sand mill cylinder by the staff.

[0010] Preferably, the moving unit includes a connecting bracket, the connecting bracket is installed at the telescopic end of the reciprocating cylinder, a transverse toothed plate is installed on the side wall of the sliding frame, a fixed frame is installed on the side wall of the support frame, and a central gear one is rotatably arranged inside the fixed frame. The central gear one is meshed with the transverse toothed plate; during operation, when the reciprocating cylinder moves upward, the telescopic end of the reciprocating cylinder will drive the connecting bracket to move at the same time. The connecting bracket will drive the central gear one to move through the action of the moving unit. The central gear one will drive the transverse toothed plate meshed with it to move, and the transverse toothed plate will drive the sliding frame to move, that is, the sliding frame will drive the sand mill cylinder away from the accommodating groove, thus facilitating the maintenance of the sand mill cylinder.

[0011] Preferably, a transverse shaft is rotatably arranged inside the fixed frame, a connecting shaft is installed on the side wall of the central gear one, the connecting shaft is rotatably arranged on the inner wall of the fixed frame, the transverse shaft and the connecting shaft are connected by a belt, and two end parts of the transverse shaft are fixedly installed with connecting gears. Two groups of vertical toothed plates are installed at the bottom of the connecting bracket, and the vertical toothed plates are meshed with the connecting gears; during operation, when the connecting bracket moves following the telescopic end of the reciprocating cylinder, the connecting bracket will drive the two groups of vertical toothed plates at its bottom to move upward. When the vertical toothed plates move upward, they will drive the connecting gears meshed with them to rotate. The connecting gears will drive the transverse shaft to rotate, the transverse shaft will drive the connecting shaft to rotate through the belt, the connecting shaft drives the central gear one to rotate, and the central gear one drives the transverse toothed plate meshed with it to move, that is, the transverse toothed plate will drive the sand mill cylinder to move as described in the above steps, and the operation is relatively convenient.

[0012] Preferably, vertical grooves are formed on both side walls of the vertical toothed plate, a limiting bracket is installed inside the fixed frame, and the side of the limiting bracket away from the fixed frame is arranged inside the vertical groove; during operation, when the vertical toothed plate moves upward, under the mutual limitation of the limiting bracket and the vertical groove, the vertical toothed plate will move on a vertical line, which can facilitate the vertical toothed plate to drive the connecting gear to rotate, and the connecting gear drives the transverse shaft to rotate. With such a design, not only can the grinding part be automatically pulled out, but also the sand mill cylinder can be automatically pulled out of the accommodating groove, which has a high degree of linkage and high intelligence.

[0013] Preferably, a telescopic limiting arc block is installed on the side wall of the carriage. A telescopic spring is installed on the outer peripheral surface of the telescopic limiting arc block. One end of the telescopic spring is connected to the side wall of the carriage, and the other end is connected to the outer peripheral surface of the telescopic limiting arc block. A fixing groove is formed in the inner wall of the limiting groove, and the shape of the fixing groove is adapted to that of the telescopic limiting arc block. During operation, in the initial state, that is, when the sand mill cylinder is located inside the receiving groove, the telescopic limiting arc block on the side wall of the carriage is located inside the fixing groove. Such a design can facilitate the carriage to be stuck inside the fixing groove. Moreover, when the grinding part is normally used inside the sand mill cylinder, under the clamping of the carriage, it can prevent the position deviation of the carriage caused by the vibration of the sand mill cylinder. And because the outer surface of the telescopic limiting arc block is provided with a telescopic spring and the telescopic limiting arc block is of a telescopic design, when the transverse tooth plate pulls the carriage to move, it is convenient for the carriage to drive the telescopic limiting arc block to disengage from the inside of the fixing groove, which is beneficial for the sand mill cylinder to disengage from the inside of the receiving groove.

[0014] Preferably, a contact point one is installed on the outer peripheral surface of the telescopic limiting arc block, and a contact point two is formed in the groove wall of the fixing groove. During operation, after the first maintenance of the sand mill cylinder is completed, the telescopic end of the reciprocating cylinder moves downward, and the connecting bracket drives the vertical tooth plate to move downward, that is, the above-mentioned mechanism moves in the reverse direction. The carriage drives the sand mill cylinder to move closer to the inside of the receiving groove. When the carriage drives the telescopic limiting arc block and the contact point one on its surface to move inside the fixing groove, the contact point one will contact the contact point two, and the contact point two will transmit the contact signal to the controller through its external power supply line. The controller will control the reciprocating cylinder to stop moving, that is, at this time, the grinding part just moves inside the sand mill cylinder, which is convenient for the subsequent normal use of the sand mill.

[0015] Preferably, a deflecting frame is rotatably installed on the side wall of the protective frame. The bottom of the deflecting frame is connected to the upper end surface of the grinding part, and a suction cup is installed at the telescopic end of the reciprocating cylinder. During operation, when the sand mill cylinder and the grinding part are normally used, a motor is installed at the bottom of the deflecting frame, and the motor is connected to the upper end surface of the grinding part through a stud. That is, by controlling the rotation of the motor and the grinding part, the normal use of the grinding part can be realized. When the grinding part needs to be taken out, the output end of the motor is separated from the upper end surface of the grinding part, and then the telescopic end of the reciprocating cylinder is controlled to move downward so that the suction cup contacts the grinding part and adsorbs the grinding part, and then the grinding part can be lifted upward.

[0016] Preferably, a rubber sleeve is sleeved on the side wall of the connecting bracket.

[0017] The beneficial effects of the present invention are as follows: 1. In a vertical sand mill with automatic reset of the cylinder body of the present invention, when the connecting bracket moves along with the telescopic end of the reciprocating cylinder, the connecting bracket will drive the two sets of vertical toothed plates at its bottom to move upward. When the vertical toothed plates move upward, they will drive the connecting gears meshed with them to rotate. The connecting gears will drive the horizontal shaft to rotate. The horizontal shaft will drive the connecting shaft to rotate through a belt. The connecting shaft drives the first central gear to rotate, and the first central gear drives the horizontal toothed plate meshed with it to move. That is, the horizontal toothed plate will drive the sand mill cylinder body to move as described in the above steps, and the operation is relatively convenient.

[0018] 2. In a vertical sand mill with automatic reset of the cylinder body of the present invention, when the telescopic end of the reciprocating cylinder drives the grinding part to move upward, the telescopic end of the reciprocating cylinder will drive the carriage to move through the action of the moving unit. That is, the carriage will move inside the limiting groove. Under the mutual limitation of the carriage and the limiting groove, it is convenient for the carriage to move along the axis, which is beneficial for the carriage to drive the sand mill cylinder body to move, so that the sand mill cylinder body will not deviate during movement, which is beneficial for subsequent maintenance and replacement of the sand mill cylinder body by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the drawings.

[0020] Figure 1 is a perspective view of the present invention; Figure 2 is a schematic structural view of the sand mill cylinder body of the present invention; Figure 3 is a schematic structural view of the reciprocating cylinder of the present invention; Figure 4 is a schematic structural view of the carriage of the present invention; Figure 5 is a schematic structural view of the telescopic limiting arc block of the present invention; Figure 6 is a schematic structural view of the first contact point of the present invention; Figure 7 is a schematic structural view of the horizontal toothed plate of the present invention; Figure 8 is a schematic structural view of the limiting bracket of the present invention; Figure 9 is a partial schematic structural view of the telescopic limiting arc block of the present invention.

[0021] In the figure: 1. Support frame; 101. Accommodating groove; 2. Sand mill cylinder body; 3. Slide carriage; 301. Horizontal toothed plate; 4. Grinding part; 5. Protective frame; 6. Reciprocating cylinder; 7. Limit groove; 8. Connecting bracket; 9. Fixed frame; 10. Central gear one; 11. Horizontal shaft; 12. Connecting shaft; 13. Belt; 14. Connecting gear; 15. Vertical toothed plate; 151. Vertical groove; 16. Limit bracket; 17. Telescopic limit arc block; 171. Telescopic spring; 18. Fixed groove; 19. Contact one; 20. Contact two; 21. Deflection frame. Specific implementation mode

[0022] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation modes.

[0023] As Figures 1 to 4 shown, a vertical sand mill with automatic reset of the cylinder body according to an embodiment of the present invention includes a support frame 1. An accommodating groove 101 is opened inside the support frame 1. A sand mill cylinder body 2 is arranged inside the accommodating groove 101. A slide carriage 3 is slidably arranged at the bottom of the accommodating groove 101. The sand mill cylinder body 2 is arranged above the slide carriage 3. The slide carriage 3 can move at the bottom of the accommodating groove 101 and drive the sand mill cylinder body 2 out of the inside of the accommodating groove 101. A grinding part 4 is arranged inside the sand mill cylinder body 2. A lifting mechanism is arranged above the support frame 1, and the lifting mechanism is used to drive the grinding part 4 to move upward; During operation, in the initial state, the sand mill cylinder body 2 is located inside the accommodating groove 101, and the grinding part 4 is located inside the sand mill cylinder body 2; specifically, when it is necessary to lift the grinding part 4 away from the sand mill cylinder body 2 for maintenance, first control the lifting mechanism to drive the grinding part 4 to move upward at this time, so that the grinding part 4 is far away from the sand mill cylinder body 2, and then drive the sand mill cylinder body 2 to move at the bottom of the accommodating groove 101 through the slide carriage 3, so that the sand mill cylinder body 2 is far away from the accommodating groove 101. With such a design, the sand mill cylinder body 2 and the grinding part 4 can be automatically taken out, which is beneficial to the replacement or maintenance of the cylinder body and the grinding part 4, and manual operation is not required, which is relatively convenient and fast.

[0024] As Figures 2 to 6 shown, the lifting mechanism includes a protective frame 5. The protective frame 5 is arranged above the support frame 1. A reciprocating cylinder 6 is fixedly installed inside the protective frame 5. The telescopic end of the reciprocating cylinder 6 is connected to the top end of the grinding part 4; during operation, when it is necessary to take out the grinding part 4, control the telescopic end of the reciprocating cylinder 6 to move at this time, so that its telescopic end drives the grinding part 4 to move upward. Then the grinding part 4 will move upward from the inside of the sand mill cylinder body 2 and gradually move upward from inside the support frame 1 and the protective frame 5, that is, the function of automatically taking out the grinding part 4 is realized, and the operation is relatively convenient.

[0025] A limiting groove 7 is formed in the lower part inside the support frame 1. The sliding frame 3 is slidably arranged inside the limiting groove 7. A moving unit is arranged at the telescopic end of the reciprocating cylinder 6. The moving unit is used to drive the sliding frame 3 away from the inside of the receiving groove 101. During operation, when the telescopic end of the reciprocating cylinder 6 drives the grinding part 4 to move upward, the telescopic end of the reciprocating cylinder 6 will drive the sliding frame 3 to move through the action of the moving unit, that is, the sliding frame 3 will move inside the limiting groove 7. Under the mutual limitation of the sliding frame 3 and the limiting groove 7, it is convenient for the sliding frame 3 to move along the axis, which is beneficial to the sliding frame 3 driving the sand mill cylinder 2 to move, so that the sand mill cylinder 2 will not deviate during movement, which is beneficial to the subsequent maintenance and replacement of the sand mill cylinder 2 by the staff.

[0026] As Figures 2 to 8 shown, the moving unit includes a connecting bracket 8. The connecting bracket 8 is installed at the telescopic end of the reciprocating cylinder 6. A transverse tooth plate 301 is installed on the side wall of the sliding frame 3. A fixed frame 9 is installed on the side wall of the support frame 1. A central gear 10 is rotatably arranged inside the fixed frame 9. The central gear 10 is meshed and connected with the transverse tooth plate 301. During operation, when the reciprocating cylinder 6 moves upward, the telescopic end of the reciprocating cylinder 6 will drive the connecting bracket 8 to move at the same time. The connecting bracket 8 will drive the central gear 10 to move through the action of the moving unit. The central gear 10 will drive the transverse tooth plate 301 meshed with it to move. The transverse tooth plate 301 will drive the sliding frame 3 to move, that is, the sliding frame 3 will drive the sand mill cylinder 2 away from the receiving groove 101, so as to facilitate the maintenance of the sand mill cylinder 2.

[0027] As Figures 3 to 9 shown, a horizontal shaft 11 is rotatably arranged inside the fixed frame 9. A connecting shaft 12 is installed on the side wall of the central gear 10. The connecting shaft 12 is rotatably arranged on the inner wall of the fixed frame 9. The horizontal shaft 11 and the connecting shaft 12 are connected by a belt 13. Two connecting gears 14 are fixedly installed at both ends of the horizontal shaft 11. Two vertical tooth plates 15 are installed at the bottom of the connecting bracket 8. The vertical tooth plates 15 are meshed and connected with the connecting gears 14. During operation, when the connecting bracket 8 moves following the telescopic end of the reciprocating cylinder 6, the connecting bracket 8 will drive the two vertical tooth plates 15 at its bottom to move upward. When the vertical tooth plates 15 move upward, they will drive the connecting gears 14 meshed with them to rotate. The connecting gears 14 will drive the horizontal shaft 11 to rotate. The horizontal shaft 11 will drive the connecting shaft 12 to rotate through the belt 13. The connecting shaft 12 drives the central gear 10 to rotate. The central gear 10 drives the transverse tooth plate 301 meshed with it to move, that is, the transverse tooth plate 301 will drive the sand mill cylinder 2 to move as described in the above steps, and the operation is relatively convenient.

[0028] Both side walls of the vertical tooth plate 15 are provided with vertical grooves 151. A limit bracket 16 is installed inside the fixed frame 9. The side of the limit bracket 16 away from the fixed frame 9 is arranged inside the vertical groove 151. During operation, when the vertical tooth plate 15 moves upward, under the mutual limitation of the limit bracket 16 and the vertical groove 151, the vertical tooth plate 15 will move on a vertical line, which can facilitate the vertical tooth plate 15 to drive the connecting gear 14 to rotate, and the connecting gear 14 drives the horizontal shaft 11 to rotate. With such a design, not only can the grinding part 4 be automatically pulled out, but also the sand mill cylinder 2 can be automatically pulled out of the receiving groove 101, which has a high degree of linkage and high intelligence.

[0029] A telescopic limit arc block 17 is installed on the side wall of the carriage 3. A telescopic spring 171 is installed on the outer peripheral surface of the telescopic limit arc block 17. One end of the telescopic spring 171 is connected to the side wall of the carriage 3, and the other end is connected to the outer peripheral surface of the telescopic limit arc block 17. A fixed groove 18 is opened on the inner wall of the limit groove 7. The shape of the fixed groove 18 is adapted to that of the telescopic limit arc block 17. During operation, in the initial state, that is, when the sand mill cylinder 2 is located inside the receiving groove 101, at this time, the telescopic limit arc block 17 on the side wall of the carriage 3 is located inside the fixed groove 18. With such a design, it is convenient for the carriage 3 to be stuck inside the fixed groove 18, and when the grinding part 4 is normally used inside the sand mill cylinder 2, under the clamping of the carriage 3, it can avoid the problem that the position of the carriage 3 is offset when the sand mill cylinder 2 is vibrated; Moreover, since the outer surface of the telescopic limit arc block 17 is provided with a telescopic spring 171 and the telescopic limit arc block 17 is of a telescopic design, when the transverse tooth plate 301 pulls the carriage 3 to move, it is convenient for the carriage 3 to drive the telescopic limit arc block 17 to disengage from the inside of the fixed groove 18, which is beneficial for the sand mill cylinder 2 to disengage from the inside of the receiving groove 101.

[0030] A contact point one 19 is installed on the outer peripheral surface of the telescopic limit arc block 17, and a contact point two 20 is opened on the groove wall of the fixed groove 18. During operation, after the first maintenance of the sand mill cylinder 2 is completed, the telescopic end of the reciprocating cylinder 6 moves downward, and the connecting bracket 8 drives the vertical tooth plate 15 to move downward, that is, the above mechanism moves in the reverse direction. The carriage 3 drives the sand mill cylinder 2 to move closer to the inside of the receiving groove 101. When the carriage 3 drives the telescopic limit arc block 17 and the contact point one 19 on its surface to move into the fixed groove 18, the contact point one 19 will contact the contact point two 20, and the contact point two 20 will transmit the contact signal to the controller through its external power cord. The controller will control the reciprocating cylinder 6 to stop moving, that is, at this time, the grinding part 4 just moves into the sand mill cylinder 2, which is convenient for the subsequent normal use of the sand mill.

[0031] A deflection frame 21 is rotatably installed on the side wall of the protective frame 5. The bottom of the deflection frame 21 is connected to the upper end surface of the grinding part 4. A suction cup is installed at the telescopic end of the reciprocating cylinder 6. A rubber sleeve is sleeved on the side wall of the connecting bracket 8. During operation, when the sand mill cylinder body 2 and the grinding part 4 are in normal use, a motor is installed at the bottom of the deflection frame 21. The motor is connected to the upper end surface of the grinding part 4 through a stud. That is, by controlling the rotation of the motor and the grinding part 4, the normal use of the grinding part 4 can be realized. When it is necessary to take out the grinding part 4, the output end of the motor is separated from the upper end surface of the grinding part 4. Then, the telescopic end of the reciprocating cylinder 6 is controlled to move downward so that the suction cup contacts the grinding part 4 and adsorbs the grinding part 4. Then, the grinding part 4 can be lifted upward.

[0032] During operation, in the initial state, the sand mill cylinder body 2 is located inside the receiving groove 101, and the grinding part 4 is located inside the sand mill cylinder body 2. Specifically, when it is necessary to lift the grinding part 4 away from the sand mill cylinder body 2 for maintenance, first, the lifting mechanism is controlled to drive the grinding part 4 to move upward so that the grinding part 4 is far away from the sand mill cylinder body 2. Then, the sand mill cylinder body 2 is driven by the sliding frame 3 to move at the bottom of the receiving groove 101 so that the sand mill cylinder body 2 is far away from the receiving groove 101. With such a design, the sand mill cylinder body 2 and the grinding part 4 can be automatically taken out, which is beneficial to the replacement or maintenance of the cylinder body and the grinding part 4, and there is no need for manual operation, which is relatively convenient and fast. When it is necessary to take out the grinding part 4, at this time, the telescopic end of the reciprocating cylinder 6 is controlled to move, and its telescopic end drives the grinding part 4 to move upward. Then, the grinding part 4 will move upward from the inside of the sand mill cylinder body 2 and gradually move upward from inside the support frame 1 and the protective frame 5, that is, the function of automatically taking out the grinding part 4 is realized, and the operation is relatively convenient. When the telescopic end of the reciprocating cylinder 6 drives the grinding part 4 to move upward, the telescopic end of the reciprocating cylinder 6 will drive the sliding frame 3 to move through the action of the moving unit, that is, the sliding frame 3 will move inside the limiting groove 7. Under the mutual limitation of the sliding frame 3 and the limiting groove 7, it is convenient for the sliding frame 3 to move along the axis, which is beneficial to the sliding frame 3 to drive the sand mill cylinder body 2 to move, so that the sand mill cylinder body 2 will not deviate during movement, which is beneficial to the subsequent maintenance and replacement of the sand mill cylinder body 2 by the staff. When the reciprocating cylinder 6 moves upward, the telescopic end of the reciprocating cylinder 6 will drive the connecting bracket 8 to move at the same time. The connecting bracket 8 will drive the central gear one 10 to move through the action of the moving unit. The central gear one 10 will drive the transverse tooth plate 301 engaged with it to move. The transverse tooth plate 301 will drive the sliding frame 3 to move, that is, the sliding frame 3 will drive the sand mill cylinder body 2 away from the receiving groove 101, thus facilitating the maintenance of the sand mill cylinder body 2. When the connecting bracket 8 moves following the telescopic end of the reciprocating cylinder 6, the connecting bracket 8 will drive the two sets of vertical toothed plates 15 at its bottom to move upward. When the vertical toothed plates 15 move upward, they will drive the connecting gears 14 meshing with them to rotate. The connecting gears 14 will drive the horizontal shaft 11 to rotate. The horizontal shaft 11 will drive the connecting shaft 12 to rotate through the belt 13. The connecting shaft 12 drives the first central gear 10 to rotate. The first central gear 10 drives the transverse toothed plate 301 meshing with it to move. That is, the transverse toothed plate 301 will drive the sand mill cylinder 2 to move as described in the above steps, and the operation is relatively convenient. When the vertical toothed plates 15 move upward, under the mutual limit of the limit bracket 16 and the vertical groove 151, the vertical toothed plates 15 will move on a vertical line, which can facilitate the vertical toothed plates 15 to drive the connecting gears 14 to rotate, and the connecting gears 14 drive the horizontal shaft 11 to rotate. With such a design, not only can the grinding part 4 be automatically pulled out, but also the sand mill cylinder 2 can be automatically pulled out of the receiving groove 101, with high linkage and high intelligence level. In the initial state, that is, when the sand mill cylinder 2 is located inside the receiving groove 101, at this time, the telescopic limit arc block 17 on the side wall of the carriage 3 is located inside the fixed groove 18. With such a design, it is convenient for the carriage 3 to be stuck inside the fixed groove 18, and when the grinding part 4 is normally used inside the sand mill cylinder 2, under the clamping of the carriage 3, it can prevent the sand mill cylinder 2 from causing the problem of position deviation of the carriage 3 when being vibrated. Moreover, since the outer surface of the telescopic limit arc block 17 is provided with a telescopic spring 171 and the telescopic limit arc block 17 is of a telescopic design, when the transverse toothed plate 301 pulls the carriage 3 to move, it is convenient for the carriage 3 to drive the telescopic limit arc block 17 to disengage from the inside of the fixed groove 18, which is conducive to the sand mill cylinder 2 disengaging from the inside of the receiving groove 101. After the sand mill cylinder 2 is overhauled once, the telescopic end of the reciprocating cylinder 6 moves downward, and the connecting bracket 8 drives the vertical toothed plates 15 to move downward, that is, the above mechanism moves in the reverse direction. The carriage 3 drives the sand mill cylinder 2 to move closer to the inside of the receiving groove 101. When the carriage 3 drives the telescopic limit arc block 17 and the first contact point 19 on its surface to move into the fixed groove 18, the first contact point 19 will contact the second contact point 20. The second contact point 20 will transmit the contact signal to the controller through its external power cord, and the controller will control the reciprocating cylinder 6 to stop moving, that is, at this time, the grinding part 4 just moves into the sand mill cylinder 2, which is convenient for the subsequent normal use of the sand mill. When the sand mill cylinder 2 and the grinding part 4 are in normal use, a motor is installed at the bottom of the deflecting frame 21, and the motor is connected to the upper end surface of the grinding part 4 through a stud. That is, by controlling the rotation of the motor and the grinding part 4, the normal use of the grinding part 4 can be realized. When the grinding part 4 needs to be taken out, the output end of the motor is separated from the upper end surface of the grinding part 4, and then the telescopic end of the reciprocating cylinder 6 is controlled to move downward so that the suction cup contacts the grinding part 4 and adsorbs the grinding part 4, and then the grinding part 4 can be lifted upward.

[0033] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A vertical sand mill with automatic reset of the cylinder body, characterized in that: It includes a support frame. An accommodation groove is formed inside the support frame. A sand mill cylinder is arranged inside the accommodation groove. A sliding frame is slidably arranged at the bottom of the accommodation groove. The sand mill cylinder is arranged above the sliding frame. The sliding frame can move at the bottom of the accommodation groove and drive the sand mill cylinder out of the inside of the accommodation groove. A grinding part is arranged inside the sand mill cylinder. A lifting mechanism is arranged above the support frame, and the lifting mechanism is used to drive the grinding part to move upward.

2. The vertical sand mill with automatic reset of the cylinder body according to claim 1, wherein: The lifting mechanism includes a protective frame. The protective frame is arranged above the support frame. A reciprocating cylinder is fixedly installed inside the protective frame. The telescopic end of the reciprocating cylinder is connected to the top end of the grinding part.

3. The vertical sand mill with automatic reset of the cylinder body according to claim 2, characterized in that: A limiting groove is formed in the lower side of the inside of the support frame. The sliding frame is slidably arranged inside the limiting groove. A moving unit is arranged at the telescopic end of the reciprocating cylinder, and the moving unit is used to drive the sliding frame away from the inside of the accommodation groove.

4. The vertical sand mill with automatic reset of the cylinder body according to claim 3, characterized in that: The moving unit includes a connecting bracket. The connecting bracket is installed at the telescopic end of the reciprocating cylinder. A transverse toothed plate is installed on the side wall of the sliding frame. A fixed frame is installed on the side wall of the support frame. A central gear one is rotatably arranged inside the fixed frame. The central gear one and the transverse toothed plate are meshed and connected.

5. The vertical sand mill with automatic reset of the cylinder body according to claim 4, characterized in that: A transverse shaft is rotatably arranged inside the fixed frame. A connecting shaft is installed on the side wall of the central gear one. The connecting shaft is rotatably arranged on the inner wall of the fixed frame. The transverse shaft and the connecting shaft are connected by a belt. Connecting gears are fixedly installed at both ends of the transverse shaft. Two groups of vertical toothed plates are installed at the bottom of the connecting bracket. The vertical toothed plates and the connecting gears are meshed and connected.

6. The vertical sand mill with automatic reset of the cylinder body according to claim 5, characterized in that: Vertical grooves are formed on both side walls of the vertical toothed plate. A limiting bracket is installed inside the fixed frame. The side of the limiting bracket away from the fixed frame is arranged inside the vertical groove.

7. An upright sand mill with automatic reset of the cylinder body according to claim 5, characterized in that: A telescopic limiting arc block is installed on the side wall of the sliding frame. A telescopic spring is installed on the outer peripheral surface of the telescopic limiting arc block. One end of the telescopic spring is connected to the side wall of the sliding frame, and the other end is connected to the outer peripheral surface of the telescopic limiting arc block. A fixed groove is formed on the inner wall of the limiting groove. The shape of the fixed groove is adapted to that of the telescopic limiting arc block.

8. The vertical sand mill with automatic reset of the cylinder body according to claim 7, characterized in that: A contact one is installed on the outer peripheral surface of the telescopic limiting arc block. A contact two is formed on the groove wall of the fixed groove.

9. The vertical sand mill with automatic reset of the cylinder body according to claim 4, wherein: A deflecting frame is rotatably installed on the side wall of the protective frame. The bottom of the deflecting frame is connected to the upper end surface of the grinding part. A suction cup is installed at the telescopic end of the reciprocating cylinder.

10. A vertical sand mill with automatic reset of the cylinder body according to claim 5, characterized in that: A rubber sleeve is sleeved on the side wall of the connecting bracket.

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