Screening device convenient to maintain

Abstract

The utility model discloses a screening device convenient to maintain, and particularly relates to the field of screening devices.The screening device comprises a mounting metal frame, a screening shell is mounted at the top of the mounting metal frame, and a fixed connecting base is connected to the bottom of the mounting metal frame; the device is provided with the auxiliary maintenance device, rapid positioning during installation after maintenance of the screening mechanism installation support can be completed, and the screening mechanism installation support can be fixed through bolts after being positioned, so that the screening mechanism installation support is convenient to disassemble, maintain and install, and the maintenance convenience of the screening device is improved; the equipment failure rate and the maintenance cost are reduced, and the purpose of convenient maintenance is achieved; the device is provided with a closing device for maintenance, when the access door on the outer side of the screening shell needs to be opened for overhauling of the screening shell, shielding of the access door on the outer side of the screening shell by the positioning metal plate can be removed, and therefore a user can conveniently open the access door on the outer side of the screening shell, and maintenance of the interior of the screening shell is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a screening device which is convenient to maintain. Background Art

[0002] Stabilizers are chemicals that can increase the stability of solutions, colloids, solids, and mixtures. They can slow down reactions, maintain chemical balance, reduce surface tension, and prevent light, thermal, or oxidative decomposition. In a broad sense, chemical stabilizers come from a wide range of sources. Depending on the design purpose of the formulator, any chemical can be used flexibly to achieve product quality stability. In the production process of high-concentration high-alkali barium liquid stabilizers, screening devices are required to perform corresponding screening processes.

[0003] However, the maintenance process of the existing screening device is relatively cumbersome during use, making it difficult for operators to perform maintenance operations, affecting maintenance efficiency; therefore, technical personnel in this field provide a screening device that is easy to maintain to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a screening device which is convenient for maintenance, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a screening device convenient for maintenance, comprising a mounting metal frame, a screening shell is mounted on the top of the mounting metal frame, a fixed connection seat is connected to the bottom of the mounting metal frame, an auxiliary maintenance device is arranged on the outside of the screening shell, a screening mechanism mounting bracket is mounted on the bottom of the screening shell by bolts, a feed hopper is connected to the top of the screening shell, a discharge hopper is connected to the outside of the screening shell, an inspection door is rotatably connected to the outside of the screening shell by a rotating shaft, and a maintenance closing device is arranged on the outside of the inspection door;

[0006] The auxiliary maintenance device includes a connecting shell, a ball screw is installed inside the connecting shell, a connecting handle is fixed to one end of the ball screw, a positioning thread sleeve is fixed to the outside of the connecting shell, the outer thread of the positioning thread sleeve is threadedly connected to a positioning thread column, a plastic handle is fixed to one end of the positioning thread column, the outer thread of the ball screw is threadedly connected to a ball nut, and a movable guide block is installed at the bottom of the ball nut.

[0007] As a further solution of the utility model: a through hole is opened inside the connecting handle, and the size of the through hole is adapted to the size of the positioning threaded column.

[0008] As a further solution of the utility model: a movable connecting frame is fixed on the top of the ball nut, a positioning mounting block is provided on one side of the movable connecting frame, a connecting positioning sleeve is fixed on the outer side of the screening shell, a mounting groove matching the size of the positioning mounting block is provided inside the connecting positioning sleeve, and the connecting shell and the screening mechanism mounting bracket are fixedly connected.

[0009] As a further solution of the utility model: the maintenance closing device includes a guide pad, the outer side of the guide pad is slidably connected with a guide moving block through a slide groove, a positioning metal plate is fixed to the top of the guide moving block, a rubber handle is provided on the outer side of the positioning metal plate, a fixed metal column is fixed to the top of the inspection door of the screening shell, a baffle is installed on the outer side of the fixed metal column, and a positioning metal block is movably sleeved on the outer side of the fixed metal column.

[0010] As a further solution of the utility model: a limiting connecting sleeve is fixed on the top of the inspection door of the screening shell, a groove is opened inside the positioning metal plate, and the size of the groove is adapted to the size of the positioning metal block.

[0011] As a further solution of the utility model: the guide pad is fixedly connected to the screening shell, and a connecting groove matching the size of the fixed metal column is opened on the outer side of the positioning metal plate.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The device is provided with an auxiliary maintenance device. When the screening mechanism mounting bracket needs to be disassembled and the corresponding parts of the screening mechanism mounting bracket need to be maintained, the positioning mounting block is disengaged from the connection positioning sleeve, and then the bolts on the outer side of the screening mechanism mounting bracket are conveniently disassembled. After the screening mechanism mounting bracket is maintained, the positioning mounting block can be inserted into the corresponding connection positioning sleeve again to complete the rapid positioning of the screening mechanism mounting bracket after maintenance. After the screening mechanism mounting bracket is positioned, the bolts can be used to fix it, making the disassembly, maintenance and installation of the screening mechanism mounting bracket more convenient, improving the convenience of maintenance of the screening device, reducing the equipment failure rate and maintenance cost, and achieving the purpose of convenient maintenance;

[0014] 2. The device is provided with a closing device for maintenance. When it is necessary to open the inspection door on the outside of the screening shell for maintenance of the screening shell, the blocking of the inspection door on the outside of the screening shell by the positioning metal plate can be removed, thereby facilitating the user to open the inspection door on the outside of the screening shell and facilitate maintenance inside the screening shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the auxiliary maintenance device of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the maintenance closing device of the utility model;

[0020] In the figure: 1. Mounting metal frame; 2. Screening shell; 3. Fixed connecting seat; 4. Auxiliary maintenance device; 41. Connecting shell; 42. Ball screw; 43. Connecting handle; 44. Positioning threaded sleeve; 45. Positioning threaded column; 46. Plastic handle; 47. Ball nut; 48. Moving guide block; 49. Moving connecting frame; 410. Positioning mounting block; 411. Connecting positioning sleeve; 5. Screening mechanism mounting bracket; 6. Feed hopper; 7. Discharge hopper; 8. Closing device for maintenance; 81. Guide pad; 82. Guide moving block; 83. Rubber handle; 84. Positioning metal plate; 85. Fixed metal column; 86. Shielding plate; 87. Positioning metal block; 88. Limit connecting sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 3 The utility model provides a screening device convenient for maintenance, comprising a mounting metal frame 1, a screening shell 2 is mounted on the top of the mounting metal frame 1, a fixed connection seat 3 is connected to the bottom of the mounting metal frame 1, an auxiliary maintenance device 4 is arranged on the outside of the screening shell 2, a screening mechanism mounting bracket 5 is installed on the bottom of the screening shell 2 by bolts, a feed hopper 6 is connected to the top of the screening shell 2, a discharge hopper 7 is connected to the outside of the screening shell 2, an inspection door is rotatably connected to the outside of the screening shell 2 by a rotating shaft, and a maintenance closing device 8 is arranged on the outside of the inspection door;

[0023] The auxiliary maintenance device 4 includes a connecting shell 41, a ball screw 42 is installed inside the connecting shell 41, a connecting handle 43 is fixed at one end of the ball screw 42, a positioning threaded sleeve 44 is fixed to the outside of the connecting shell 41, a positioning threaded column 45 is threadedly connected to the outside of the positioning threaded sleeve 44, a through hole is opened inside the connecting handle 43, and the size of the through hole is adapted to the size of the positioning threaded column 45, a plastic handle 46 is fixed at one end of the positioning threaded column 45, a ball nut 47 is threadedly connected to the outside of the ball screw 42, a movable guide block 48 is installed at the bottom of the ball nut 47, a movable connecting frame 49 is fixed at the top of the ball nut 47, a positioning mounting block 410 is arranged on one side of the movable connecting frame 49, a connecting positioning sleeve 411 is fixed to the outside of the screening shell 2, a mounting groove adapted to the size of the positioning mounting block 410 is opened inside the connecting positioning sleeve 411, and the connecting shell 41 and the screening mechanism mounting bracket 5 are fixedly connected.

[0024] When the present device is in use, it is necessary to disassemble the screening mechanism mounting bracket 5 and maintain the corresponding part of the screening mechanism mounting bracket 5, the operator only needs to turn the plastic handle 46 to screw the positioning threaded column 45 out of the corresponding positioning threaded sleeve 44, and then turn the connecting handle 43 to drive the ball nut 47 to move. At this time, the movable connecting frame 49 can drive the positioning mounting block 410 to move, and make the positioning mounting block 410 disengage from the connecting positioning sleeve 411, and then conveniently complete the disassembly of the outer bolts of the screening mechanism mounting bracket 5. After the maintenance of the screening mechanism mounting bracket 5 is completed, the positioning mounting block 410 can be inserted into the corresponding connecting positioning sleeve 411 again to complete the rapid positioning of the screening mechanism mounting bracket 5 during installation after maintenance. After the screening mechanism mounting bracket 5 is positioned, it can be fixed with bolts, making the disassembly, maintenance and installation of the screening mechanism mounting bracket 5 more convenient, thereby improving the convenience of maintenance of the screening device, reducing the equipment failure rate and maintenance cost, and achieving the purpose of convenient maintenance.

[0025] See also Figure 1 and Figure 4 The utility model provides a screening device that is convenient for maintenance. The maintenance closing device 8 includes a guide pad 81, the outer side of the guide pad 81 is slidably connected with a guide moving block 82 through a slide groove, a positioning metal plate 84 is fixed on the top of the guide moving block 82, and a rubber handle 83 is arranged on the outer side of the positioning metal plate 84. A fixed metal column 85 is fixed on the top of the inspection door of the screening shell 2. The guide pad 81 and the screening shell 2 are fixedly connected, a connecting groove matching the size of the fixed metal column 85 is opened on the outer side of the positioning metal plate 84, a shielding plate 86 is installed on the outer side of the fixed metal column 85, and a positioning metal block 87 is movably sleeved on the outer side of the fixed metal column 85. A limiting connecting sleeve 88 is fixed on the top of the inspection door of the screening shell 2, and a groove is opened inside the positioning metal plate 84, and the size of the groove is matched with the size of the positioning metal block 87.

[0026] During the use of the device, when it is necessary to open the inspection door on the outside of the screening shell 2 to inspect the screening shell 2, the user only needs to move the positioning metal block 87 on the outside of the fixed metal column 85 to make the positioning metal block 87 fall out of the corresponding positioning metal plate 84, thereby unlocking the position of the positioning metal plate 84, and then the rubber handle 83 can be moved to drive the positioning metal plate 84 and the guide moving block 82 to move at the same time, so that the positioning metal plate 84 can be released from the blocking of the inspection door on the outside of the screening shell 2, thereby facilitating the user to open the inspection door on the outside of the screening shell 2 and facilitate maintenance inside the screening shell 2.

[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A screening device that is easy to maintain, comprising a mounting metal frame (1), characterized in that: A screening shell (2) is installed on the top of the mounting metal frame (1), a fixed connection seat (3) is connected to the bottom of the mounting metal frame (1), an auxiliary maintenance device (4) is arranged on the outside of the screening shell (2), a screening mechanism mounting bracket (5) is installed on the bottom of the screening shell (2) by bolts, a feed hopper (6) is connected to the top of the screening shell (2), a discharge hopper (7) is connected to the outside of the screening shell (2), an inspection door is rotatably connected to the outside of the screening shell (2) by a rotating shaft, and a maintenance closing device (8) is arranged on the outside of the inspection door; The auxiliary maintenance device (4) comprises a connecting shell (41), a ball screw (42) is installed in the interior of the connecting shell (41), a connecting handle (43) is fixed to one end of the ball screw (42), a positioning thread sleeve (44) is fixed to the outside of the connecting shell (41), a positioning thread column (45) is threadedly connected to the outside of the positioning thread sleeve (44), a plastic handle (46) is fixed to one end of the positioning thread column (45), a ball nut (47) is threadedly connected to the outside of the ball screw (42), and a movable guide block (48) is installed at the bottom of the ball nut (47).

2. A screening device convenient for maintenance according to claim 1, characterized in that: A through hole is provided inside the connecting handle (43), and the size of the through hole matches the size of the positioning threaded column (45).

3. A screening device convenient for maintenance according to claim 1, characterized in that: A movable connecting frame (49) is fixed on the top of the ball nut (47), a positioning mounting block (410) is arranged on one side of the movable connecting frame (49), a connecting positioning sleeve (411) is fixed on the outer side of the screening shell (2), a mounting groove matching the size of the positioning mounting block (410) is provided inside the connecting positioning sleeve (411), and the connecting shell (41) and the screening mechanism mounting bracket (5) are fixedly connected.

4. A screening device convenient for maintenance according to claim 1, characterized in that: The maintenance closing device (8) comprises a guide pad (81), the outer side of the guide pad (81) is slidably connected to a guide moving block (82) via a slide groove, a positioning metal plate (84) is fixed to the top of the guide moving block (82), a rubber handle (83) is arranged on the outer side of the positioning metal plate (84), a fixed metal column (85) is fixed to the top of the inspection door of the screening shell (2), a shielding plate (86) is installed on the outer side of the fixed metal column (85), and a positioning metal block (87) is movably sleeved on the outer side of the fixed metal column (85).

5. A screening device convenient for maintenance according to claim 4, characterized in that: A limiting connection sleeve (88) is fixed on the top of the inspection door of the screening shell (2), and a groove is provided inside the positioning metal plate (84), and the size of the groove matches the size of the positioning metal block (87).

6. A screening device convenient for maintenance according to claim 4, characterized in that: The guide pad (81) and the screening shell (2) are fixedly connected, and a connection groove matching the size of the fixed metal column (85) is provided on the outer side of the positioning metal plate (84).

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