Tool for disassembling and assembling machine seal of sand mill

Abstract

The utility model provides a tool for disassembling and assembling a mechanical seal of a sand mill, which relates to the technical field of mechanical seals of sand mills and comprises a counterweight base, a vertical plate is slidably connected to the upper surface of the counterweight base, a hydraulic cylinder is mounted on one side of the vertical plate, a telescopic rod of the hydraulic cylinder is fixedly connected with a mounting seat, and two guide rods are fixedly connected to one side of the mounting seat. The guide rod penetrates through the vertical plate and is slidably connected with the vertical plate. Through the arrangement of the positioning assembly, the four positioning rods extend into the circle center through groove in the circle center of the pressing disc and abut against the inner wall of the through groove in the pressing disc, and then the positions of the fixing columns are vertically and transversely adjusted respectively, so that the four poke rods are all attached to the inner side of the through groove in the circle center of the pressing disc; the circle centers of the fixing column, the threaded rod and the pressing disc are located on the same axis at the moment, and the pressing disc can horizontally move under pulling, so that the pressing disc is evenly stressed, and the pressing disc is prevented from inclining or being damaged.

Description

Technical Field

[0001] This utility model belongs to the field of sand mill mechanical seal technology, and in particular relates to a tooling for disassembling and assembling sand mill mechanical seals. Background Technology

[0002] A sand mill (also known as a bead mill) is a wet ultrafine grinding device that uses grinding media (such as zirconium beads, steel beads, and glass beads) to shear, collide, and rub materials under high-speed rotation. Its core function is to grind granular materials (with an initial particle size of a few micrometers to tens of micrometers) to the nanometer or submicrometer level (with a final particle size of less than 1μm). It is widely used in chemical, electronic, and new energy fields. The mechanical seal of the sand mill is used to seal the gap between the grinding chamber and the main shaft to prevent material (such as pigments, coatings, lithium battery slurries, etc.) from leaking, while also preventing external impurities from entering the chamber and contaminating the material.

[0003] The disassembly of the mechanical seal pressure plate of the Langling sand mill in the laboratory is relatively traditional. It involves using a rubber hammer and stainless steel felt to tap and loosen the threads of the pressure plate before disassembly or installation. This method is simple and direct, but it will damage the original disassembly holes on the pressure plate. The stress on the surface of the pressure plate will change, causing the pressure plate surface to deform. After reassembly, the mechanical seal cannot be tightened evenly, resulting in leakage of the sand mill sealing fluid. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a tooling for disassembling and assembling the mechanical seal of a sand mill, which can more accurately solve the problems described above.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model proposes a tooling for disassembling and assembling a sand mill mechanical seal, including a counterweight base. A vertical plate is slidably connected to the upper surface of the counterweight base. A hydraulic cylinder is installed on one side of the vertical plate. The telescopic rod of the hydraulic cylinder is fixedly connected to a mounting base. Two guide rods are fixedly connected to one side of the mounting base. The guide rods pass through the vertical plate and are slidably connected to the vertical plate. A disassembly assembly is slidably arranged on one side of the mounting base. The disassembly assembly includes multiple pull claws. A positioning assembly is arranged at the axis of the disassembly assembly.

[0007] Preferably, one side of the mounting base is provided with a sliding groove, and a sliding seat is slidably connected in the sliding groove on the mounting base. The side wall of the sliding groove is provided with a square through groove. One side of the sliding seat is threadedly connected with a bolt, which extends out of the square through groove. The upper surface of the counterweight base is provided with a square groove, and a vertical plate is located in the square groove. One side of the vertical plate is rotatably connected with a threaded push rod, which passes through the base and is threadedly connected to the base.

[0008] Preferably, the disassembly assembly includes a threaded rod, which is fixedly connected to a sliding seat. A threaded ring is threadedly connected to the outer side of the threaded rod, and multiple support plates are fixedly connected to the outer side of the threaded ring. A through groove is provided on the support plate, and a slider is slidably connected in the groove. A screw is rotatably connected to the support plate, which passes through the support plate and the slider and is threadedly connected to the slider. The pull claws are respectively fixed to one side of the slider.

[0009] Preferably, all of the support plates have a scale on one side.

[0010] Preferably, the positioning component includes a fixed post, which is fixedly connected to a threaded rod. A circular seat is fixedly connected to one side of the fixed post. The circular seat has four annularly arrayed through slots. A sliding block is slidably connected in the through slots. A spring is fixedly connected between the sliding block and the circular seat. A positioning rod is fixedly connected to one side of the circular seat. A toggle rod is fixedly connected to the other side of the circular seat. A rotating ring is rotatably connected to one side of the circular seat. Four arc-shaped blocks are fixedly connected to the outer side of the rotating ring.

[0011] Preferably, a mounting shell is fixedly connected to the outer side of the fixed column, a mounting ring is fixedly connected to the inner side of the mounting shell, a servo motor is fixedly connected to one side of the mounting ring, a gear is fixedly connected to the main shaft of the servo motor, and a gear ring is fixedly connected to one side of the rotating ring, with the gear ring meshing with the gear.

[0012] The tooling for disassembling and assembling the mechanical seal of a sand mill proposed in this utility model can bring the following beneficial effects:

[0013] 1. By setting up a positioning component, four positioning rods extend into the central slot at the center of the pressure plate. The rotating ring pushes four actuating rods simultaneously through four arc-shaped blocks, causing the four actuating rods to open outwards and press against the inner wall of the slot on the pressure plate. Then, the position of the fixed column is adjusted vertically and horizontally so that the four actuating rods are all in contact with the inner side of the slot at the center of the pressure plate. At this time, the fixed column, threaded rod and the center of the pressure plate are on the same axis. This means that the pulling direction of the hydraulic cylinder is parallel to the axis of the fixed column, threaded rod and the center of the pressure plate. This allows the pressure plate to move horizontally under pulling, so that the pressure plate is subjected to uniform force and avoids the pressure plate tilting or being damaged.

[0014] 2. By setting a support plate with a scale, when adjusting the position of the slider so that the pull claws hold the pressure plate, the distance between each slider and the threaded rod can be controlled by the scale on one side of the support plate. Since the center of the threaded rod and the pressure plate are on the same axis, when the distance between each slider and the threaded rod is the same, the state of the pull claws holding the pressure plate is almost the same, which makes it easy to control the force state of the pressure plate. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention.

[0019] Figure 3 This is a schematic diagram of the arc-shaped block of this utility model.

[0020] Figure 4 This is a schematic diagram of the disassembly assembly of this utility model.

[0021] In the diagram: 1. Counterweight base; 2. Vertical plate; 3. Hydraulic cylinder; 4. Mounting seat; 5. Guide rod; 6. Disassembly assembly; 61. Pull claw; 62. Threaded rod; 63. Threaded ring; 64. Support plate; 65. Slider; 66. Screw; 7. Positioning assembly; 71. Fixed column; 72. Circular seat; 73. Sliding block; 74. Spring; 75. Positioning rod; 76. Actuating rod; 77. Rotating ring; 78. Arc block; 8. Sliding seat; 9. Mounting shell; 10. Mounting ring; 11. Servo motor; 12. Gear; 13. Gear ring. Detailed Implementation

[0022] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0023] like Figures 1-4As shown, this utility model provides a tooling for disassembling and assembling a sand mill's mechanical seal. It includes a counterweight base 1, a vertical plate 2 slidably connected to the upper surface of the counterweight base 1, a hydraulic cylinder 3 mounted on one side of the vertical plate 2, a mounting base 4 whose telescopic rod is fixedly connected to the hydraulic cylinder 3, and two guide rods 5 fixedly connected to one side of the mounting base 4. The guide rods 5 penetrate the vertical plate 2 and are slidably connected to it. A disassembly assembly 6 is slidably mounted on one side of the mounting base 4, including multiple pull claws 61. A positioning assembly 7 is located at the axis of the disassembly assembly 6. In use, the counterweight base 1 is placed on one side of the sand mill. The counterweight base 1 stabilizes the center of gravity of the device during the entire disassembly process. The bottom of the counterweight base 1 can be equipped with braked casters. For lower sand mills, the counterweight base 1 and casters can be placed directly on the ground. When in use, position component 7 is brought close to the pressure plate on the mechanical seal side of the sand mill. Position component 7 extends into the through hole at the center of the pressure plate shaft, pushing vertical plate 2, the entire disassembly component 6, and positioning component 7 to adjust the position of disassembly component 6 so that the center of disassembly component 6 and the center of pressure plate are on the same axis. After adjustment, pull claw 61 is locked on the pressure plate. At this time, the axis where the center of disassembly component 6 and the center of pressure plate are located is parallel to the extension and retraction direction of hydraulic cylinder 3 telescopic rod. When hydraulic cylinder 3 pulls mounting base 4, pull claw 61 pulls pressure plate horizontally, separating pressure plate from stationary ring. By setting positioning component 7, it is convenient to make the axis where the center of disassembly component 6 and pressure plate are located parallel to hydraulic cylinder 3, so that pressure plate can move horizontally under pulling, so that pressure plate is subjected to force evenly and avoids pressure plate tilting or damage.

[0024] like Figure 1 and Figure 2 As shown, a sliding groove is provided on one side of the mounting base 4, and a sliding seat 8 is slidably connected in the sliding groove on the mounting base 4. A square through groove is provided on the side wall of the sliding groove, and a bolt is threadedly connected to one side of the sliding seat 8. The bolt extends out of the square through groove. A square groove is provided on the upper surface of the counterweight base 1, and the vertical plate 2 is located in the square groove. A threaded push rod is rotatably connected to one side of the vertical plate 2. The threaded push rod passes through the base and is threadedly connected to the base. When adjusting the position of the disassembly component 6 and the positioning component 7, the vertical plate 2 is pushed to adjust the horizontal position, and the sliding seat 8 is pushed to slide vertically to adjust the height. After adjustment, the vertical plate 2 and the slider 65 are fixed by the bolt and the threaded push rod to prevent the pressure plate from shaking when it is pulled, which would cause uneven force on the pressure plate and damage.

[0025] like Figure 2 and Figure 3As shown, the disassembly assembly 6 includes a threaded rod 62, which is fixedly connected to the sliding seat 8. A threaded ring 63 is threadedly connected to the outer side of the threaded rod 62. Multiple support plates 64 are fixedly connected to the outer side of the threaded ring 63. Each support plate 64 has a through groove, in which a slider 65 is slidably connected. A screw 66 is rotatably connected to the support plate 64, passing through the support plate 64 and the slider 65, and is threadedly connected to the slider 65. Pull claws 61 are fixed to one side of each slider 65. Each support plate 64 has a scale on one side. After the position is adjusted, rotating the threaded ring 63 adjusts the distance between the pull claws 61 and the pressure plate. After adjustment, once the position is suitable, rotate screw 66 to bring slider 65 closer to threaded rod 62, thereby bringing claw 61 closer to pressure plate and locking it onto pressure plate. To ensure that the claw 61 locks onto pressure plate in the same way, when adjusting the position of slider 65 so that claw 61 locks onto pressure plate, the distance between each slider 65 and threaded rod 62 can be controlled by the scale on one side of support plate 64. Since threaded rod 62 and the center of pressure plate are on the same axis, when the distance between each slider 65 and threaded rod 62 is the same, the state of claw 61 locking onto pressure plate is almost the same, which facilitates control of the force state of pressure plate.

[0026] like Figure 2 and Figure 4 As shown, the positioning assembly 7 includes a fixed post 71, which is fixedly connected to a threaded rod 62. A circular seat 72 is fixedly connected to one side of the fixed post 71. The circular seat 72 has four annularly arrayed through slots, and a sliding block 73 is slidably connected within the through slots. A spring 74 is fixedly connected between the sliding block 73 and the circular seat 72. A positioning rod 75 is fixedly connected to one side of the circular seat 72, and a toggle rod 76 is fixedly connected to the other side of the circular seat 72. A rotating ring 77 is rotatably connected to one side of the circular seat 72. Four arc-shaped blocks 78 are fixedly connected to the outer side of the rotating ring 77. A mounting shell 9 is fixedly connected to the outer side of the fixed post 71, and a mounting ring 10 is fixedly connected to the inner side of the mounting shell 9. A servo motor 11 is fixedly connected to one side of the mounting ring 10, and a gear 12 is fixedly connected to the spindle of the servo motor 11. A gear 12 is fixedly connected to one side of the rotating ring 77. Ring 13, gear ring 13 meshes with gear 12. During positioning, four positioning rods 75 extend into the central through groove at the center of the pressure plate. Servo motor 11 starts, driving rotating ring 77 to rotate. Rotating ring 77 pushes four actuating rods 76 simultaneously through four arc blocks 78, causing four sliding blocks 73 to extend together, and causing four actuating rods 76 to open outwards and abut against the inner wall of the through groove on the pressure plate. Then, the position of the fixing column 71 is adjusted vertically and horizontally respectively, so that the four actuating rods 76 are all in contact with the inner side of the through groove at the center of the pressure plate. At this time, the fixing column 71, threaded rod 62 and the center of the pressure plate are on the same axis, which means that the pulling direction of hydraulic cylinder 3 is parallel to the axis of the fixing column 71, threaded rod 62 and the center of the pressure plate. At this time, the position of pull claw 61 can be adjusted to lock the pressure plate and pull to disassemble the pressure plate.

[0027] Working principle: The counterweight base 1 is placed on one side of the sand mill. The four positioning rods 75 extend into the central through groove at the center of the pressure plate. The servo motor 11 is started, driving the rotating ring 77 to rotate. The rotating ring 77 pushes the four actuating rods 76 simultaneously through the four arc blocks 78, causing the four sliding blocks 73 to extend together. This causes the four actuating rods 76 to open outwards and press against the inner wall of the through groove on the pressure plate. Then, the position of the fixing column 71 is adjusted vertically and horizontally so that the four actuating rods 76 are all in contact with the inner side of the through groove at the center of the pressure plate. After adjustment, the vertical plate 2 and the slider 65 are fixed by bolts and threaded push rods. The screw 66 is rotated so that the slider 65 is close to the threaded rod 62, which in turn causes the pull claw 61 to approach the pressure plate and lock onto it. When the hydraulic cylinder 3 pulls the mounting base 4, the pull claw 61 pulls the pressure plate horizontally, causing the pressure plate to separate from the stationary ring.

[0028] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0029] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A tooling for disassembling and assembling the mechanical seal of a sand mill, characterized in that, The system includes a counterweight base (1), a vertical plate (2) is slidably connected to the upper surface of the counterweight base (1), a hydraulic cylinder (3) is installed on one side of the vertical plate (2), the telescopic rod of the hydraulic cylinder (3) is fixedly connected to the mounting seat (4), two guide rods (5) are fixedly connected to one side of the mounting seat (4), the guide rods (5) pass through the vertical plate (2) and are slidably connected to the vertical plate (2), a disassembly assembly (6) is slidably arranged on one side of the mounting seat (4), the disassembly assembly (6) includes multiple pull claws (61), and a positioning assembly (7) is arranged at the axis of the disassembly assembly (6).

2. The tooling for disassembling and assembling a sand mill mechanical seal according to claim 1, characterized in that, The mounting base (4) has a sliding groove on one side, and a sliding seat (8) is slidably connected in the sliding groove on the mounting base (4). The side wall of the sliding groove has a square through groove. A bolt is threadedly connected to one side of the sliding seat (8). The bolt extends out of the square through groove. A square groove is provided on the upper surface of the counterweight base (1). The vertical plate (2) is located in the square groove. A threaded push rod is rotatably connected to one side of the vertical plate (2). The threaded push rod passes through the base and is threadedly connected to the base.

3. The tooling for disassembling and assembling a sand mill mechanical seal according to claim 2, characterized in that, The disassembly assembly (6) includes a threaded rod (62), which is fixedly connected to a sliding seat (8). A threaded ring (63) is threadedly connected to the outer side of the threaded rod (62). Multiple support plates (64) are fixedly connected to the outer side of the threaded ring (63). A through groove is provided on the support plate (64). A slider (65) is slidably connected in the groove. A screw (66) is rotatably connected to the support plate (64). The screw (66) passes through the support plate (64) and through the slider (65) and is threadedly connected to the slider (65). The pull claws (61) are fixed on one side of the slider (65).

4. The tooling for disassembling and assembling a sand mill mechanical seal according to claim 3, characterized in that, All of the support plates (64) have graduations on one side.

5. The tooling for disassembling and assembling a sand mill mechanical seal according to claim 3, characterized in that, The positioning component (7) includes a fixed post (71), which is fixedly connected to a threaded rod (62). A circular seat (72) is fixedly connected to one side of the fixed post (71). The circular seat (72) is provided with four annular array through slots. A sliding block (73) is slidably connected in the through slot. A spring (74) is fixedly connected between the sliding block (73) and the circular seat (72). A positioning rod (75) is fixedly connected to one side of the circular seat (72). A toggle rod (76) is fixedly connected to the other side of the circular seat (72). A rotating ring (77) is rotatably connected to one side of the circular seat (72). Four arc-shaped blocks (78) are fixedly connected to the outer side of the rotating ring (77).

6. The tooling for disassembling and assembling a sand mill mechanical seal according to claim 5, characterized in that, The mounting shell (9) is fixedly connected to the outer side of the fixed column (71), the mounting ring (10) is fixedly connected to the inner side of the mounting shell (9), the servo motor (11) is fixedly connected to one side of the mounting ring (10), the main shaft of the servo motor (11) is fixedly connected to the gear (12), and the gear ring (13) is fixedly connected to one side of the rotating ring (77), and the gear ring (13) meshes with the gear (12).

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