Vibration device with protection structure for rocking sieve

Abstract

The utility model discloses a vibrating device with a protection structure for a rocking sieve, which comprises an external mounting plate, a connecting shaft component, a lubricating oil inlet component, a belt pulley, a support, an adjustable eccentric block, a rotary connecting pipe component and an adjusting driving part, the two ends of the supporting shaft are connected with external mounting plates through end mounting bases respectively, a rotary connecting pipe assembly is arranged in the middle of the outer side of the supporting shaft, a lubricating oil inlet assembly for lubricating and maintaining the rotary connecting pipe assembly is arranged on the supporting shaft, and a support is fixed to the outer side of the rotary connecting pipe assembly. The vibration device is convenient to maintain, dust can be prevented, the distance between the eccentric block and the axis can be adjusted, and convenience is provided for people.

Description

Technical Field

[0001] The utility model relates to the technical field of swing sieves, in particular to a vibration device with a protection structure for a swing sieve. Background Technique

[0002] The square swing sieve series of screening machines is a kind of high-efficiency screening equipment developed and designed to meet the needs of users with large production capacity and high precision. It is widely used in many industries such as chemical industry, metallurgy, mining, feed industry, food industry, etc. It is especially suitable for heavy soda ash, salt, resin, compound fertilizer, large and small granular urea, feed, reduced iron powder, zirconia, ceramsite, barite, etc. It is a high-efficiency screening equipment with high precision and large production capacity. The existing vibration devices used in screening swing sieves have complex structures, not only unable to prevent dust, but also unable to adjust the vibration amplitude, so they cannot meet people's needs. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a vibration device with a protection structure for a swing sieve, which has a simple structure and is easy to operate. It is not only convenient to maintain the vibration device, but also can prevent dust, and the distance between the eccentric block and the axis can be adjusted, which provides convenience for people and can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A vibration device with a protection structure for a swing sieve, including an external mounting plate, a connecting shaft assembly, a lubricating oil inlet assembly, a pulley, a support, an adjustable eccentric block, a rotating connecting pipe assembly and an adjusting driving member. The connecting shaft assembly includes a support shaft, and both ends of the support shaft are connected to the external mounting plate through an end mounting seat respectively. A rotating connecting pipe assembly is arranged in the middle of the outer side of the support shaft, and a lubricating oil inlet assembly for lubricating and maintaining the rotating connecting pipe assembly is arranged on the support shaft. A support is fixed on the outer side of the rotating connecting pipe assembly, and an adjustable eccentric block is fixed on the support. An adjusting driving member for adjusting the adjustable eccentric block is arranged on the adjustable eccentric block. One end of the rotating connecting pipe assembly is fixed with a pulley.

[0005] Further, the lubricating oil inlet assembly includes an L-shaped oil inlet channel arranged inside the support shaft, and a one-way valve is arranged at one end of the L-shaped oil inlet channel. When injecting oil into the rotating connecting pipe assembly for maintenance, external oil enters the lubricating cavity through the one-way valve and the L-shaped oil inlet channel.

[0006] Further, the rotating connecting pipe assembly includes a support pipe, the inside of the support pipe is connected to the outer side of the support shaft through two connecting bearings, a lubricating cavity is arranged between the two connecting bearings, and an air outlet hole communicated with the lubricating cavity is arranged on the support pipe. One end of the air outlet hole is provided with a cover, and dust can be prevented through the cover.

[0007] Further, the adjustable eccentric block includes an eccentric block. On one side of the eccentric block, there are two sliding connection columns. The two sliding connection columns are slidably connected to the support. One end of the sliding connection column located inside the support is connected with a pushing spring, which can make the connection between the adjustable eccentric block and the connecting shaft assembly more firm.

[0008] Further, the adjustment driving member includes an adjustment stud rotatably connected to the eccentric block through a bearing. The adjustment stud is connected to the support by means of a threaded connection. One end of the adjustment stud is provided with a rotating head. By rotating the rotating head, the adjustment stud can be driven to rotate. By rotating the adjustment stud, the position of the eccentric block relative to the support can be adjusted. Thus, when the eccentric block rotates, the vibration amplitude can be adjusted.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: When refueling and maintaining the inside of the rotating connection pipe assembly, external oil enters the lubrication cavity through the one-way valve and the L-shaped oil inlet passage. Dust prevention can be achieved through the cover. By rotating the rotating head, the adjustment stud can be driven to rotate. By rotating the adjustment stud, the position of the eccentric block relative to the support can be adjusted. Thus, when the eccentric block rotates, the vibration amplitude can be adjusted. The vibrating screen uses a vibration device with a protection structure, which has a simple structure and is easy to operate. It not only facilitates the maintenance of the vibration device, but also can prevent dust, and the distance between the eccentric block and the axis can be adjusted, providing convenience for people. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model

[0011] Figure 2 is a partially enlarged schematic structural diagram of the present utility model.

[0012] In the figure: 1 external mounting plate, 2 connecting shaft assembly, 21 end mounting seat, 22 support shaft, 3 lubricating oil inlet assembly, 31 L-shaped oil inlet passage, 32 one-way valve, 4 pulley, 5 support, 6 adjustable eccentric block, 61 pushing spring, 62 sliding connection column, 63 eccentric block, 7 rotating connection pipe assembly, 71 connecting bearing, 72 support pipe, 73 cover, 74 lubrication cavity, 8 adjustment driving member, 81 adjustment stud, 82 rotating head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0014] Please refer toFigure 1-2 , the present utility model provides a technical solution: a vibration device with a protection structure for a swing sieve, including an external mounting plate 1, a connecting shaft assembly 2, a lubricating oil inlet assembly 3, a pulley 4, a support 5, an adjustable eccentric block 6, a rotating connecting pipe assembly 7, and an adjustment driving member 8. The connecting shaft assembly 2 includes a support shaft 22, and both ends of the support shaft 22 are connected to the external mounting plate 1 through an end mounting seat 21 respectively. A rotating connecting pipe assembly 7 is provided in the middle of the outer side of the support shaft 22, and a lubricating oil inlet assembly 3 for lubricating and maintaining the rotating connecting pipe assembly 7 is provided on the support shaft 22. A support 5 is fixed on the outer side of the rotating connecting pipe assembly 7, an adjustable eccentric block 6 is fixed on the support 5, and an adjustment driving member 8 for adjusting the adjustable eccentric block 6 is provided on the adjustable eccentric block 6. A pulley 4 is fixed at one end of the rotating connecting pipe assembly 7. The lubricating oil inlet assembly 3 includes an L-shaped oil inlet channel 31 provided inside the support shaft 22, and a one-way valve 32 is provided at one end of the L-shaped oil inlet channel 31. When injecting oil for maintenance into the rotating connecting pipe assembly 7, external oil enters the lubricating cavity 74 through the one-way valve 32 and the L-shaped oil inlet channel 31. The rotating connecting pipe assembly 7 includes a support pipe 72, the inside of the support pipe 72 is connected to the outer side of the support shaft 22 through two connecting bearings 71, a lubricating cavity 74 is provided between the two connecting bearings 71, and an air outlet hole communicating with the lubricating cavity 74 is provided on the support pipe 72. One end of the air outlet hole is provided with a cover 73, and dust can be prevented through the cover 73. The adjustable eccentric block 6 includes an eccentric block 63, two sliding connecting columns 62 are provided on one side of the eccentric block 63, the two sliding connecting columns 62 are slidably connected to the support 5, and a top spring 61 is connected to the end of the sliding connecting column 62 located inside the support 5. Through the top spring 61, the connection between the adjustable eccentric block 6 and the connecting shaft assembly 2 can be made more firm. The adjustment driving member 8 includes an adjustment screw 81 rotatably connected to the eccentric block 63 through a bearing, the adjustment screw 81 is connected to the support 5 in a threaded connection manner, a rotating head 82 is provided at one end of the adjustment screw 81, and the rotation of the rotating head 82 can drive the adjustment screw 81 to rotate. By rotating the adjustment screw 81, the position of the eccentric block 63 relative to the support 5 can be adjusted. Thus, when the eccentric block 63 rotates, the vibration amplitude can be adjusted. This vibration device with a protection structure for a swing sieve has a simple structure and is easy to operate. It is not only convenient to maintain the vibration device, but also can prevent dust, and the distance between the eccentric block and the axis can be adjusted, which provides convenience for people.

[0015] During use: When injecting oil for maintenance into the rotating connecting pipe assembly 7, external oil enters the lubricating cavity 74 through the one-way valve 32 and the L-shaped oil inlet channel 31. Dust can be prevented through the cover 73. The rotation of the rotating head 82 can drive the adjustment screw 81 to rotate. By rotating the adjustment screw 81, the position of the eccentric block 63 relative to the support 5 can be adjusted. Thus, when the eccentric block 63 rotates, the vibration amplitude can be adjusted.

[0016] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model.

Claims

1. A vibrating device with a protective structure for a swing screen, comprising an external mounting plate (1), a connecting shaft assembly (2), a lubricating oil inlet assembly (3), a pulley (4), a support (5), an adjustable eccentric block (6), a rotating connecting pipe assembly (7) and an adjusting drive member (8), characterized in that: The connecting shaft assembly (2) comprises a supporting shaft (22), the two ends of the supporting shaft (22) being connected to the external mounting plate (1) via an end mounting seat (21) respectively, a rotating connecting pipe assembly (7) being provided in the middle of the outer side of the supporting shaft (22), and a lubricating oil inlet assembly (3) for lubricating and maintaining the rotating connecting pipe assembly (7) being provided on the supporting shaft (22), a support (5) being fixed on the outer side of the rotating connecting pipe assembly (7), an adjustable eccentric block (6) being fixed on the support (5), an adjusting driving member (8) for adjusting the adjustable eccentric block (6), and a pulley (4) being fixed on one end of the rotating connecting pipe assembly (7).

2. A vibrating device with a protective structure for a swing screen according to claim 1, characterized in that: The lubricating oil inlet assembly (3) comprises an L-shaped oil inlet channel (31) arranged inside the support shaft (22), and a one-way valve (32) is provided at one end of the L-shaped oil inlet channel (31).

3. The vibrating device with a protective structure for a swing screen according to claim 1, characterized in that: The rotating connecting tube assembly (7) comprises a supporting tube (72), the interior of the supporting tube (72) being connected to the outside of the supporting shaft (22) via two connecting bearings (71), a lubrication cavity (74) being provided between the two connecting bearings (71), and an air outlet hole communicating with the lubrication cavity (74) being provided on the supporting tube (72), and a sealing cover (73) being provided at one end of the air outlet hole.

4. The vibrating device with a protective structure for a swing screen according to claim 1, characterized in that: The adjustable eccentric block (6) comprises an eccentric block (63), one side of which is provided with two sliding connection columns (62), the two sliding connection columns (62) being slidably connected to the support (5), and one end of the sliding connection column (62) located inside the support (5) is connected to a push spring (61).

5. The vibrating device with a protective structure for a swing screen according to claim 4, characterized in that: The adjusting drive member (8) comprises an adjusting stud (81) rotatably connected to the eccentric block (63) via a bearing, the adjusting stud (81) being connected to the support (5) via a threaded connection, and a rotating head (82) being provided at one end of the adjusting stud (81).

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