Lifting mechanism for sand mill

Abstract

The lifting mechanism comprises a plurality of driving cylinders, a grinding part, a supporting frame, a barrel and a driving motor, the supporting frame is provided with a containing space, the side wall of the supporting frame is provided with a channel communicated with the containing space, the top end of the supporting frame is provided with an open hole communicated with the containing space, the barrel is contained in the containing space, and the driving motor drives the barrel to rotate. An opening is formed in the barrel, a containing cavity corresponding to the opening is formed in the barrel, the multiple driving cylinders are arranged in the supporting frame, telescopic rods of the driving cylinders stretch upwards in the vertical direction, the grinding part is arranged on the ground of the driving motor, the grinding part penetrates through the opening to be located in the containing cavity, and the grinding part is further provided with a first connecting piece detachably connected with the barrel. Through the mode, the lifting mechanism disclosed by the utility model can upwards extend out through the plurality of driving cylinders so as to eject the grinding part out of the barrel body, so that the grinding part is easily detached from the barrel body, the labor intensity of workers is low, and the efficiency is also high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand mill technical field especially is related to a lifting mechanism for sand mill. BACKGROUND

[0002] The sand mill can be divided into vertical sand mill and horizontal sand mill, wherein the vertical nanometer sand mill mainly relies on the high speed movement of the main shaft to drive the grinding medium to rub and shear with the material in the cylinder, so that the material can be ground and dispersed.

[0003] At present, the vertical sand mill on the market needs to separate the grinding part from the cylinder to facilitate the replacement or maintenance of the cylinder. However, in the traditional way, the grinding part is lifted manually or with the help of other auxiliary tools to separate from the cylinder. Since the volume and weight of the grinding part are large, the labor intensity of manual work is relatively large, and the efficiency is low. UTILITY MODEL CONTENT

[0004] TECHNICAL PROBLEM

[0005] In view of the deficiencies of the prior art, the utility model provides a lifting mechanism for sand mill, which can solve the above technical problems.

[0006] TECHNICAL SCHEME

[0007] The utility model provides a lifting mechanism for sand mill, which comprises a plurality of drive cylinders, a grinding part and a drive motor connected with the grinding part, characterized by further comprising: a support frame with a receiving space, wherein the side wall of the support frame is provided with a communication channel communicating with the receiving space, and the top end of the support frame is provided with an opening communicating with the receiving space; a cylinder is received in the receiving space, wherein the cylinder is provided with a receiving cavity corresponding to the opening; wherein the plurality of drive cylinders are arranged in the support frame, the telescopic rod of the drive cylinder is telescopic upward along the vertical direction, the end of the telescopic rod of the drive cylinder is connected with the drive motor, the drive motor is driven to lift by the plurality of drive cylinders, and the grinding part is arranged on the bottom surface of the drive motor, the grinding part passes through the opening and is in the receiving cavity of the cylinder, and the grinding part is provided with a first connecting piece detachably connected with the cylinder.

[0008] Preferably, the number of drive cylinders is four, the support frame is rectangular, and the four drive cylinders are arranged at the four corners of the support frame respectively.

[0009] Preferably, four corners of the support frame are provided with mounting slots in the vertical direction, and the driving cylinders are arranged in the mounting slots, wherein the telescopic rods of the driving cylinders are exposed on the top surface of the support frame.

[0010] Preferably, the support frame comprises a support top plate in a rectangular shape, a first support column, a second support column, a third support column and a fourth support column, wherein the first support column, the second support column, the third support column and the fourth support column are arranged at four corners of the bottom surface of the support top plate in a spaced manner, the opening is arranged at the center of the support top plate, the support top plate, the first support column, the second support column, the third support column and the fourth support column form the containing space, two adjacent ones of the first support column, the second support column, the third support column and the fourth support column form the communication channel, the mounting slots comprise a first mounting slot arranged at the first support column, a second mounting slot arranged at the second support column, a third mounting slot arranged at the third support column and a fourth mounting slot arranged at the fourth support column, and the housings of the four driving cylinders are arranged in the first mounting slot, the second mounting slot, the third mounting slot and the fourth mounting slot.

[0011] Preferably, the bottom surface of the driving motor is provided with a connecting plate in a rectangular shape, wherein the telescopic rods of the four driving cylinders are arranged at four corners of the connecting plate respectively.

[0012] Preferably, the top surface of the support frame is provided with a cover for covering the mounting slots, wherein the cover is provided with a through hole, and the telescopic rods of the driving cylinders are arranged in the through hole.

[0013] Preferably, the bottom end of the connecting plate is further provided with a support plate in a rectangular shape, wherein the support plate is arranged in parallel with the connecting plate in a spaced manner through a support stand plate, and four corners of the support plate are provided with notches, and the telescopic rods of the driving cylinders are connected with the connecting plate through the notches.

[0014] Preferably, the top end of the cylinder body is provided with a second connecting piece detachably connected with the first connecting piece.

[0015] Preferably, the first connecting piece comprises a first connecting flange in a circular ring shape, the second connecting piece comprises a second connecting flange in a circular ring shape arranged at the top end of the cylinder body, wherein a plurality of first mounting holes are arranged in the first connecting flange in a spaced manner, a plurality of second mounting holes corresponding to the plurality of first mounting holes are arranged in the second connecting flange in a spaced manner, and first screws are arranged in the first mounting holes and the second mounting holes.

[0016] Advantages

[0017] Compared with the prior art, the present invention provides a lifting mechanism for a sand mill, which has the following advantages: The lifting structure for a sand mill disclosed in the present invention can extend and retract vertically through the telescopic rod of the drive cylinder to push the grinding part connected below the drive motor out of the receiving cavity of the cylinder, so that the grinding part can be easily removed from the cylinder without manual lifting of the grinding part, thus reducing the labor intensity and increasing the work efficiency. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the lifting structure used in the sand mill of this utility model.

[0019] Figure 2 for Figure 1 A schematic diagram of the supporting frame structure;

[0020] Figure 3 for Figure 1 A partial structural diagram of the central lifting structure;

[0021] Figure 4 for Figure 1 A schematic diagram of the second partial structure of the lifting mechanism;

[0022] Figure 5 for Figure 1 A schematic diagram of the third part of the lifting structure. Detailed Implementation

[0023] like Figures 1-5 As shown, the lifting structure for a sand mill disclosed in this utility model includes a support frame 1, a cylinder 2, multiple drive cylinders 3, a grinding section 4, and a drive motor 5 electrically connected to the grinding section 4.

[0024] In this embodiment, the drive cylinder 3, grinding part 4 and drive motor 5 in this application can all be implemented using products in the prior art (the grinding part 4 and drive motor 5 are coaxially driven), and their principles and structures will not be described in detail here.

[0025] The support frame 1 has a receiving space 11 inside, wherein the side wall of the support frame 1 has a connecting channel communicating with the receiving space 11, and the top of the support frame 1 has an opening 12 communicating with the receiving space 11.

[0026] The cylindrical body 2 is housed within the housing space 11, wherein the cylindrical body 2 is provided with a housing cavity 21 corresponding to the opening 12.

[0027] It is understandable that the connecting channel on the side wall of the support frame 1 allows the cylinder 2 to be pulled out through the channel when it needs to be disassembled, making it convenient for replacement and maintenance.

[0028] Further, in other embodiments, the bottom wall of the accommodating space 11 is slidingly provided with a drag plate (i.e. the drag plate can be slidingly provided in the accommodating space 11), and the barrel 2 is arranged on the drag plate, so that the barrel 2 can be dragged out of the accommodating space 11 by the drag plate.

[0029] A plurality of driving cylinders 3 are arranged in the support frame 1, wherein the telescopic rods of the driving cylinders 3 are telescoped upward in the vertical direction, and the ends of the telescopic rods of the driving cylinders 3 are connected with the driving motor 5, so that the driving motor 5 is driven to ascend and descend by the plurality of driving cylinders 3.

[0030] Preferably, the driving cylinders 3 include air cylinders, hydraulic cylinders and other driving cylinders.

[0031] Further, the grinding part 4 is arranged at the bottom surface of the driving motor 5, so that the grinding part 4 and the driving motor 5 ascend and descend synchronously.

[0032] Preferably, the grinding part 4 passes through the opening 12 and is arranged in the accommodating cavity 21 of the barrel 2, so that the grinding part 4 can grind materials in the accommodating cavity 21 of the barrel 2.

[0033] It should be understood that the grinding part 4 is generally heavy, and the driving cylinders 3 are used as power output, so that when the telescopic rods of the driving cylinders 3 are extended, the grinding part 4 can be lifted out of the barrel 2, and when the telescopic rods of the driving cylinders 3 are retracted, the grinding part 4 under the driving motor 5 can be reloaded into the accommodating cavity 21 of the barrel 2, which can reduce manual labor and improve work efficiency.

[0034] Preferably, the number of driving cylinders 3 is four, and the support frame 1 is in a rectangular shape, wherein the four driving cylinders 3 are arranged at the four corners of the support frame 1, respectively. It should be understood that the telescopic rods of the four driving cylinders 3 are all upwardly telescoped.

[0035] In the embodiment, the four corners of the support frame 1 are all provided with mounting grooves in the vertical direction, and the driving cylinders 3 are arranged in the mounting grooves, wherein the telescopic rods of the driving cylinders 3 are exposed to the top surface of the support frame 1. It should be understood that the outer shells of the driving cylinders 3 are fixedly arranged in the mounting grooves, and the telescopic rods of the driving cylinders 3 are telescopically arranged outside the mounting grooves.

[0036] Further, the support frame 1 includes a support top plate 14 in a rectangular shape, a first support column 141, a second support column 142, a third support column 143 and a fourth support column 144, wherein the first support column 141, the second support column 142, the third support column 143 and the fourth support column 144 are arranged at the four corners of the bottom surface of the support top plate 14 in a spaced manner, and the opening 12 is arranged at the center of the support top plate 14.

[0037] Further, the support top plate 14, the first support column 141, the second support column 142, the third support column 143 and the fourth support column 144 form a receiving space 11, and two adjacent ones of the first support column 141, the second support column 142, the third support column 143 and the fourth support column 144 form a communication passage, so that the barrel 2 can be taken out from different sides of the support frame 1.

[0038] Further, the top surface of the support frame 1 (i.e. the support top plate 14) is provided with a cover for covering the mounting groove, wherein the cover is provided with a through hole 140, and the telescopic rod of the drive cylinder 3 is arranged in the through hole 140. That is, the shell of the drive cylinder 3 is clamped outside the through hole 140.

[0039] Preferably, the mounting groove 13 includes a first mounting groove arranged on the first support column 141, a second mounting groove arranged on the second support column 142, a third mounting groove arranged on the third support column 143 and a fourth mounting groove arranged on the fourth support column 144, and the shells of the four drive cylinders 3 are arranged in the first, second, third and fourth mounting grooves.

[0040] In the embodiment, the bottom surface of the drive motor 5 is provided with a rectangular connecting plate 51, and the telescopic rods of the four drive cylinders 3 are arranged at the four corners of the connecting plate 51, respectively. That is, the telescopic rods of the drive cylinders 3 are arranged on the connecting plate 51, and the grinding part 4 is connected to the drive motor 5 through the opening 12, so that the grinding part 4 can be separated from the barrel 2 while the drive motor 5 is lifted by the drive cylinders 3.

[0041] Further, the bottom end of the connecting plate 51 is further provided with a rectangular support plate 52, the support plate 52 is arranged in parallel and spaced apart from the connecting plate 51 by a support plate, and the four corners of the support plate 52 are provided with notches, and the telescopic rods of the drive cylinders 3 are connected to the connecting plate 51 through the notches.

[0042] Preferably, the length and width of the support plate 52 are the same as those of the connecting plate 51. It should be understood that the support plate 52 and the connecting plate 51 are both provided with through holes, and the rotating shaft (i.e. the main shaft) of the drive motor 5 passes through the through holes to connect the grinding part 4 to drive the grinding part 4 to rotate synchronously.

[0043] Further, in some embodiments, a plurality of support pads are arranged between the bottom surface of the support plate 52 and the support top plate 14 to separate the support plate 52 from the support top plate 14 when the telescopic rods of the drive cylinders 3 are retracted.

[0044] In the embodiment, the grinding part 4 is provided with a first connecting piece 41 which is detachably connected to the barrel 2, so that the grinding part 4 can be separated from the barrel 2 when the barrel needs to be replaced or repaired.

[0045] Further, the top end of the barrel 2 is provided with a second connecting piece 22 which is detachably connected with the first connecting piece 41. That is, the barrel 2 and the grinding part 4 are not fixed together, but are detachably connected.

[0046] Further, the first connecting piece 41 comprises a first connecting flange in the shape of a ring, and the second connecting piece 22 comprises a second connecting flange in the shape of a ring which is arranged at the top end of the barrel 2. The first connecting flange is provided with a plurality of first mounting holes at intervals, the second connecting flange is provided with a plurality of second mounting holes corresponding to the first mounting holes at intervals, and the first mounting holes and the second mounting holes are provided with first screws. It should be understood that by dismounting or mounting the first screws in the first mounting holes and the second mounting holes, the barrel 2 and the grinding part 4 can be connected or separated.

[0047] Specific working principle:

[0048] When the barrel 2 or the grinding part 4 of the sanding machine needs to be maintained or replaced, first, the first screws on the first connecting flange and the second connecting flange are dismounted, then the extension rod of the driving cylinder 3 is extended upwards, so that the driving motor 5 and the grinding part 4 connected below the driving motor 5 are ejected from the accommodating cavity 21 of the barrel 2, after the grinding part 4 and the barrel 2 are completely separated, the barrel 2 can be easily taken out through the channel of the side wall of the support frame 1, and when the barrel 2 needs to be loaded into the accommodating space 11 of the support frame 1, the barrel 2 can be directly loaded into the channel of the side wall of the support frame 1, after the accommodating cavity 21 of the barrel 2 and the opening 12 of the support frame 1 are aligned, the extension rod of the driving cylinder 3 is retracted, the grinding part 4 below the driving motor 5 is reloaded into the barrel 2, and after the first connecting flange 41 and the second connecting flange 22 are connected by the first screws, the grinding work can be continued, the lifting structure can greatly reduce the labor of workers, and the working efficiency is improved.

[0049] It should be noted that the terms "comprising", "containing", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0050] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting mechanism for a sand mill, comprising a plurality of drive cylinders, a grinding portion, and a drive motor connected to the grinding portion, characterized by, Also include: Support frame, equipped with a receiving space, wherein the side wall of the support frame is provided with a communication channel communicated with the receiving space, the top end of the support frame is provided with an opening communicated with the receiving space; The cylinder is received in the receiving space, wherein the cylinder is provided with a receiving cavity corresponding to the opening; Wherein, the plurality of drive cylinders are arranged in the support frame, the telescopic rod of the drive cylinder is vertically upward, the end of the telescopic rod of the drive cylinder is connected with the drive motor, so as to drive the drive motor to lift through the plurality of drive cylinders, and the grinding part is arranged on the bottom surface of the drive motor, the grinding part passes through the opening and is in the receiving cavity of the cylinder, the grinding part is provided with a first connecting piece which is detachably connected with the cylinder.

2. The lifting mechanism for a sander according to claim 1, characterized by The number of the drive cylinder is four, the support frame is rectangular, and the four drive cylinders are arranged at the four corners of the support frame respectively.

3. The lifting mechanism for a sander according to claim 2, characterized in that The four corners of the support frame are provided with mounting grooves in the vertical direction, and the drive cylinders are arranged in the mounting grooves, wherein the telescopic rods of the drive cylinders are exposed on the top surface of the support frame.

4. The lifting mechanism for a sander according to claim 3, characterized in that The support frame includes a rectangular support top plate, a first support column, a second support column, a third support column and a fourth support column, wherein the first support column, the second support column, the third support column and the fourth support column are arranged at the four corners of the bottom surface of the support top plate, the opening is arranged at the center of the support top plate, the support top plate, the first support column, the second support column, the third support column and the fourth support column form the receiving space, and the first support column, the second support column, the third support column and the fourth support column form the communication channel.

5. The lifting mechanism for a sander according to claim 3, characterized in that The bottom surface of the drive motor is provided with a rectangular connecting plate, wherein the telescopic rods of the four drive cylinders are arranged at the four corners of the connecting plate respectively.

6. The lifting mechanism for a sander according to claim 5, characterized in that The top surface of the support frame is provided with a cover for covering the mounting grooves, wherein the cover is provided with a through hole, and the telescopic rods of the drive cylinders pass through the through hole.

7. The lifting mechanism for a sander according to claim 5, characterized by The bottom end of the connecting plate is further provided with a rectangular support plate, wherein the support plate is arranged in parallel with the connecting plate through a support vertical plate, and the four corners of the support plate are provided with notches, and the telescopic rods of the drive cylinders pass through the notches and are connected with the connecting plate.

8. The lifting mechanism for a sander according to claim 1, characterized by The top end of the cylinder is provided with a second connecting piece which is detachably connected with the first connecting piece.

9. The lifting mechanism for a sander according to claim 8, characterized in that The first connecting piece comprises a first connecting flange in the shape of a ring, and the second connecting piece comprises a second connecting flange in the shape of a ring arranged at the top end of the cylinder body, wherein a plurality of first mounting holes are arranged in the middle of the first connecting flange, a plurality of second mounting holes corresponding to the first mounting holes are arranged in the middle of the second connecting flange, and a first screw is arranged in the first mounting hole and the second mounting hole.

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