Cylinder lifting device for circular rocking sieve

Abstract

The utility model discloses a circular rocking sieve cylinder lifting device which comprises a base, a vibration support is arranged on the upper surface of the base, a vibration exciter for driving the vibration support to vibrate is arranged on the base, sieve lattices are evenly arranged on the upper surface of the vibration support, the sieve lattices are vertically stacked, an upper cover is arranged on the upper surface of the upper sieve lattice, and a lower cover is arranged on the lower surface of the lower sieve lattice. The sieve lattice, the upper cover and the vibration support are fixed through pull rods, a rotary adjusting ring is fixed to the outer side of the lower end of the vibration support, upper and lower jacking pieces are evenly fixed to the outer side of the rotary adjusting ring, and jacking supports corresponding to the upper and lower jacking pieces one to one are evenly arranged on the outer side of the sieve lattice and the outer side of the upper cover. The air cylinder lifting device for the circular rocking screen is simple in structure and easy and convenient to operate, the corresponding screen lattice can be opened, so that a worker can conveniently penetrate through the corresponding screen mesh, the screen lattice or the upper cover can be opened at will through a single set of lifting pieces, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of circular swing screens, in particular to a circular swing screen cylinder lifting device. Background Art

[0002] When the swing screen is used, when the screening diameter is adjusted, the screen needs to be adjusted so as to replace the screens with different apertures. When replacing the screens, the existing swing screens are usually lifted manually. However, it is difficult to ensure the safety and accuracy of lifting the screen frame and replacing the screen manually. The screen frame may slip out of the hand if not paid attention to, and there is a possibility of fracturing the screen or pinching the hand. The existing circular swing screen cylinder lifting device has a complex structure. Each set of lifting cylinders can only lift one screen grid or upper cover. However, when the circular swing screen has multiple screen grids, multiple sets of lifting cylinders need to be installed, which increases the production cost. Too many lifting cylinders will cause obstacles during operation and are inconvenient to use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a circular swing screen cylinder lifting device with a simple structure and easy operation. The corresponding screen grid can be opened to facilitate workers to penetrate the corresponding screen. The corresponding screen grid or upper cover can be opened arbitrarily through a single set of lifting parts, which is more convenient to use and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular rocking screen cylinder lifting device, comprising a base, a vibration support is provided on the upper surface of the base, an exciter for driving the vibration support to vibrate is provided on the base, screen grids are evenly provided on the upper surface of the vibration support, the screen grids are stacked up and down, an upper cover is provided on the upper surface of the upper screen grid, the screen grid, the upper cover and the vibration support are fixed by a pull rod, a rotating adjustment ring is fixed to the outer side of the lower end of the vibration support, upper and lower lifting parts are evenly fixed to the outer side of the rotating adjustment ring, lifting supports corresponding to the upper and lower lifting parts are evenly provided on the outer sides of the screen grid and the upper cover, and the lifting supports on the screen grid and the upper cover are arranged in sequence in a left-right staggered manner.

[0005] Furthermore, a dust removal port is provided at the center of the upper end of the upper cover, and a feed port is provided on one side of the upper surface of the upper cover, through which the raw materials can be introduced into the upper surface of the sieve grid, and through the dust removal port, the dust generated during screening can be discharged.

[0006] Furthermore, the rotating adjustment ring includes a supporting ring rotatably connected to the vibration support through a bearing, a rack is provided on one side of the supporting ring, and a servo motor is connected to the side of the vibration support through a motor seat, a gear is fixed to the end of the output shaft of the servo motor, and the gear and the rack are meshed with each other. The rotation of the servo motor can drive the gear to rotate, and the transmission of the gear and the rack can drive the supporting ring to rotate. The rotation of the supporting ring can drive the upper and lower lifting parts to rotate, thereby driving the upper and lower lifting parts to move to different screen grids or directly below the lifting supports on the upper cover.

[0007] Furthermore, the upper and lower lifting parts include a cylinder seat fixed to the outer side of the rotating adjustment ring, a lifting cylinder is fixedly installed on the cylinder seat, a lifting block is fixed to the telescopic end of the lifting cylinder, the lifting cylinder can be extended to drive the lifting block to move upward, the screen grid or the upper cover can be lifted by the lifting block, so that the corresponding screen grid can be opened.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the vibration support can be driven to vibrate by the vibrator, thereby vibrating the entire circular swing screen, and working in this way, the raw materials can be introduced into the upper surface of the screen grid through the feed port, and the dust generated during screening can be discharged through the dust removal port, the gear can be driven to rotate by the rotation of the servo motor, and the support ring can be driven to rotate by the gear and rack transmission, and the upper and lower lifting parts can be driven to rotate by the rotation of the support ring, thereby driving the upper and lower lifting parts to move to different screen grids or directly below the lifting support on the upper cover, and the lifting block can be driven to move upward by extending the lifting cylinder, and the screen grid or the upper cover can be lifted by the lifting block, so that the corresponding screen grid can be opened, the circular swing screen cylinder lifting device has a simple structure and is easy to operate, and can open the corresponding screen grid, so that it is convenient for workers to penetrate the corresponding screen, and the corresponding screen grid or the upper cover can be opened at will by a single set of lifting parts, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 It is a partial side structural schematic diagram of the utility model.

[0011] In the figure: 1 base, 2 vibrator, 3 rotating adjustment ring, 31 servo motor, 32 gear, 33 rack, 34 support ring, 4 upper and lower lifting parts, 41 lifting block, 42 ​​lifting cylinder, 43 cylinder seat, 44, 5 lifting support, 6 upper cover, 7 screen grid, 8 vibration support, 9 pull rod. DETAILED DESCRIPTION

[0012] 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.

[0013] See also Figure 1-2 The utility model provides a technical solution: a circular swing screen cylinder lifting device, including a base 1, a vibration support 8 is provided on the upper surface of the base 1, a vibrator 2 for driving the vibration support 8 to vibrate is provided on the base 1, a sieve grid 7 is evenly provided on the upper surface of the vibration support 8, the sieve grid 7 is stacked up and down, an upper cover 6 is provided on the upper surface of the upper sieve grid 7, the sieve grid 7, the upper cover 6 and the vibration support 8 are fixed by a pull rod 9, a rotating adjustment ring 3 is fixed on the outer side of the lower end of the vibration support 8, and upper and lower lifting pieces 4 are evenly fixed on the outer side of the rotating adjustment ring 3 The outer sides of the sieve grid 7 and the upper cover 6 are evenly provided with lifting supports 5 corresponding to the upper and lower lifting members 4. The lifting supports 5 on the sieve grid 7 and the upper cover 6 are arranged in sequence in a left-right staggered manner. A dust removal port is provided at the center of the upper end of the upper cover 6, and a feed port is provided on one side of the upper surface of the upper cover 6. The raw material can be introduced into the upper surface of the sieve grid 7 through the feed port, and the dust generated during screening can be discharged through the dust removal port. The rotating adjustment ring 3 includes a support ring 34 rotatably connected to the vibration support 8 through a bearing, and a rack 33 is provided on one side of the support ring 34, and the vibration support The side of the seat 8 is connected to a servo motor 31 through a motor seat, and a gear 32 is fixed to the end of the output shaft of the servo motor 31. The gear 32 and the rack 33 are meshed with each other. The rotation of the servo motor 31 can drive the gear 32 to rotate, and the transmission of the gear 32 and the rack 33 can drive the support ring 34 to rotate. The rotation of the support ring 34 can drive the upper and lower jacking parts 4 to rotate, thereby driving the upper and lower jacking parts 4 to move to different sieve grids 7 or directly below the jacking support 5 on the upper cover 6. The upper and lower jacking parts 4 include air fixed to the outer side of the rotating adjustment ring 3. A cylinder seat 43 is fixedly mounted with a lifting cylinder 42, and a lifting block 41 is fixed to the telescopic end of the lifting cylinder 42. The lifting cylinder 42 is extended to drive the lifting block 41 to move upward, and the sieve grid 7 or the upper cover 6 can be lifted by the lifting block 41, so that the corresponding sieve grid 7 can be opened. The circular swing screen cylinder lifting device has a simple structure and is easy to operate. The corresponding sieve grid can be opened, so that it is convenient for workers to penetrate the corresponding screen. The corresponding sieve grid or the upper cover can be opened arbitrarily through a single set of lifting parts, which is more convenient to use.

[0014] During use: the vibration support 8 can be driven to vibrate by the vibrator 2, thereby vibrating the entire circular swing screen, and working in this way, the raw material can be introduced into the upper surface of the screen grid 7 through the feed port, and the dust generated during screening can be discharged through the dust removal port. The rotation of the servo motor 31 can drive the gear 32 to rotate, and the transmission of the gear 32 and the rack 33 can drive the support ring 34 to rotate. The rotation of the support ring 34 can drive the upper and lower lifting members 4 to rotate, thereby driving the upper and lower lifting members 4 to move to different screen grids 7 or directly below the lifting support 5 on the upper cover 6, and the lifting cylinder 42 can be extended to drive the lifting block 41 to move upward, and the screen grid 7 or the upper cover 6 can be lifted by the lifting block 41, so that the corresponding screen grid 7 can be opened.

[0015] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A circular swing screen cylinder lifting device, comprising a base (1), characterized in that: A vibration support (8) is provided on the upper surface of the base (1), and an exciter (2) for driving the vibration support (8) to vibrate is provided on the base (1). Screen grids (7) are evenly provided on the upper surface of the vibration support (8), and the screen grids (7) are stacked up and down. An upper cover (6) is provided on the upper surface of the upper screen grid (7). The screen grid (7), the upper cover (6) and the vibration support (8) are fixed by a pull rod (9). A rotating adjustment ring (3) is fixed to the outer side of the lower end of the vibration support (8), and upper and lower lifting members (4) are evenly fixed to the outer side of the rotating adjustment ring (3). Lifting supports (5) corresponding to the upper and lower lifting members (4) are evenly provided on the outer sides of the screen grid (7) and the upper cover (6), and the lifting supports (5) on the screen grid (7) and the upper cover (6) are arranged in sequence in a left-right offset manner.

2. The circular swing screen cylinder lifting device according to claim 1 is characterized in that: A dust removal port is provided at the centre of the upper end of the upper cover (6), and a feed port is provided on one side of the upper surface of the upper cover (6), through which raw materials can be introduced into the upper surface of the sieve grid (7), and through which dust generated during screening can be discharged.

3. The circular swing screen cylinder lifting device according to claim 1 is characterized in that: The rotating adjustment ring (3) comprises a support ring (34) rotatably connected to a vibration support (8) via a bearing, a rack (33) being provided on one side of the support ring (34), and a servo motor (31) being connected to the side of the vibration support (8) via a motor seat, a gear (32) being fixed to the end of an output shaft of the servo motor (31), and the gear (32) and the rack (33) being meshed with each other.

4. The circular swing screen cylinder lifting device according to claim 1 is characterized in that: The upper and lower lifting members (4) comprise a cylinder seat (43) fixed to the outer side of the rotating adjustment ring (3), a lifting cylinder (42) being fixedly mounted on the cylinder seat (43), and a lifting block (41) being fixed to the telescopic end of the lifting cylinder (42).

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