Sealing device capable of achieving dynamic sealing of pipeline and screening machine

Abstract

The utility model relates to the technical field of screening equipment, in particular to a sealing device capable of meeting dynamic sealing of a pipeline and a screening machine. The sealing device capable of meeting the dynamic sealing of the pipeline comprises an elastic taper sleeve, a sealing disc and a fastening mechanism, the two ends of the elastic taper sleeve are a flaring end and a necking end respectively, the sealing disc is arranged at the flaring end of the elastic taper sleeve and used for fixing and sealing the elastic taper sleeve, and the fastening mechanism is arranged at the necking end of the elastic taper sleeve and used for fixing and sealing the elastic taper sleeve. The locking device is used for locking the pipeline penetrating through the necking end. The sealing device and the screening machine have the following beneficial effects that firstly, the sealing device plays a flexible transition role when the screening machine operates, the dynamic sealing effect is achieved, and liquid in the box body is prevented from leaking; secondly, the spraying pipe can directly and transversely penetrate through the box body, so that interference with a transverse structure in the screening machine is avoided to a greater extent; and thirdly, the spraying pipes can be directly arranged on the screen, so that the material spraying and washing effect is improved, and the spraying pipes are distributed more reasonably.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening equipment, and specifically relates to a sealing device and screening machine capable of satisfying pipeline dynamic sealing. BACKGROUND

[0002] At present, the spray pipe on the common screening machine equipment is erected above the screening machine equipment by a fixed support and is extended to the screen plate through a water supply pipeline to reach the spraying of the material. For example, a novel cleaning and filtering linear screening structure disclosed in patent No. CN202021977208.6 comprises a screening machine box body, an opening is arranged on the upper end face of the screening machine box body, a screen is fixedly arranged at the position corresponding to the opening in the screening machine box body, a cover plate is fixedly arranged directly above the opening, and spray heads are uniformly distributed on the lower surface of the cover plate. The existing spraying device of the linear screen is often arranged above the opening of the screening machine box body in order to avoid the horizontal support or the bridge part of the vibrating motor on the screening machine equipment, which has the following problems: first, the spraying port is too far away from the material, and the best spraying effect of the whole equipment cannot be achieved, and second, the distribution space of the pipeline arrangement is very limited, and the screening machine occupies a large space. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a sealing device and screening machine capable of satisfying pipeline dynamic sealing.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme: a sealing device capable of satisfying pipeline dynamic sealing, comprising an elastic cone sleeve, a sealing disc and a fastening mechanism, the two ends of the elastic cone sleeve are an expanded end and a contracted end respectively, the sealing disc is arranged at the expanded end of the elastic cone sleeve and is used for fixing and sealing the elastic cone sleeve, and the fastening mechanism is arranged at the contracted end of the elastic cone sleeve and is used for locking the pipeline passing through the contracted end.

[0005] Further, the contracted end is externally provided with a shoulder sleeve, the shoulder sleeve abuts against the fastening mechanism and is used for limiting the movement of the fastening mechanism.

[0006] Further, the shoulder sleeve is provided with two shoulder sleeves, and the fastening mechanism is arranged between the two shoulder sleeves.

[0007] Further, the sealing disc comprises an outer sealing disc and an inner sealing disc, and a gap is left between the inner sealing disc and the outer sealing disc.

[0008] Further, the diameter of the outer sealing disc is greater than that of the inner sealing disc.

[0009] Further, the outer sealing disc is a rigid structure.

[0010] Further, the outer sealing disc is integrally formed with the elastic cone sleeve, and at least one steel ring is arranged in the outer sealing disc to make the outer sealing disc a rigid structure.

[0011] The screening machine comprises a box body, a screen, a spraying pipe, and a sealing device, the screen is arranged in the box body, the spraying pipe transversely passes through the box body and is arranged above the screen, the spraying pipe is provided with a sealing device at each end, the elastic cone sleeve is fixed to the box body through the sealing disc, and each end of the spraying pipe is locked by a fastening mechanism through the necked end of the elastic cone sleeve.

[0012] Further, the box body is provided with a mounting hole, the sealing disc is connected with the mounting hole, and the necked end extends out of the box body.

[0013] Further, the screening machine further comprises a support frame, the support frame is arranged outside the box body, and the end of the spraying pipe extending out of the box body is fixed to the support frame.

[0014] As can be seen from the above description, the sealing device and the screening machine provided by the utility model can satisfy pipeline dynamic sealing, and have the following beneficial effects: 1. The sealing device can realize dynamic sealing of the spraying pipe, plays a flexible transition role during operation of the screening machine, achieves the effect of dynamic sealing, and prevents liquid in the box body from leaking when the screening machine vibrates; 2. By dynamically sealing the spraying pipe and the box body, the spraying pipe can directly transversely pass through the box body, and interference with the transverse structure inside the screening machine can be avoided to a greater extent; 3. By dynamically sealing the spraying pipe and the box body, the spraying pipe can be directly arranged on the screen, the effect of spraying and washing of the material is improved, and the spraying pipe is more reasonably distributed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the sealing device capable of satisfying pipeline dynamic sealing of the utility model.

[0016] Figure 2 It is a sectional view of the elastic cone sleeve of the sealing device capable of satisfying pipeline dynamic sealing of the utility model.

[0017] Figure 3 It is a side view of the screening machine with the sealing device of the utility model.

[0018] Figure 4 It is a front view of the screening machine with the sealing device of the utility model.

[0019] Figure 5 It is Figure 4 It is an enlarged view of M. DETAILED DESCRIPTION

[0020] The utility model will be further described through specific embodiments.

[0021] AsFigures 1 to 3 The utility model discloses a sealing device can satisfy pipeline dynamic sealing, including elastic cone sleeve 1, sealing disc 2 and fastening mechanism 3,

[0022] The both ends of elastic cone sleeve 1 are flared end 11 and necked end 12 respectively, and preferably, the elastic cone sleeve 1 is integrally formed by rubber material, the necked end 12 is externally provided with shoulder sleeve 121, the shoulder sleeve 121 includes two, a groove for limiting the movement of fastening mechanism 3 is formed between the two shoulder sleeves 121,

[0023] The sealing disc 2 is arranged at the flared end 11 of the elastic cone sleeve 1, and the sealing disc 2 includes outer sealing disc 21 and inner sealing disc 22, the diameter of the outer sealing disc 21 is greater than that of the inner sealing disc 22, the outer sealing disc 21 is of rigid structure, and preferably, the outer sealing disc 21 and the inner sealing disc 22 are integrally formed with the elastic cone sleeve, at least one or more steel rings 211 are arranged in the outer sealing disc 21 to make the outer sealing disc 21 rigid, and a gap is left between the inner sealing disc 21 and the outer sealing disc 22 for fixing the elastic cone sleeve 1,

[0024] The fastening mechanism 3 is arranged at the necked end 12 of the elastic cone sleeve 1, and is used for locking the pipeline passing through the necked end 12, the fastening mechanism 3 is a pipe clamp, the pipe clamp abuts against the shoulder sleeve 121, and the spray pipe is locked and held by the fastening mechanism 3 after passing through the necked end.

[0025] As shown in the drawings, Figures 1 to 5 The utility model discloses a screening machine with sealing device, including box 100, screen 200, spray pipe 300, support frame 400, still include above sealing device, the screen 200 sets up in the box 100, the spray pipe 300 includes a plurality of, and the plurality of spray pipe 300 crosses the box 100, and is arranged above the screen 200, one sealing device is arranged at the both ends of the spray pipe 300 respectively,

[0026] The elastic cone sleeve 1 is fixed to the box 100 through the sealing disc 2, the mounting hole is opened on the box 100, the inner sealing disc 22 of the elastic cone sleeve 1 can be inserted into the mounting hole 101 on the side plate of the screening machine and adhere to the outside of the side plate, and the outer sealing disc 21 is a sealing disc with supporting rigidity, the outer sealing disc 21 and the inner sealing disc 22 adhere to the side plate of the box, and the sealing effect of the flared end 11 is realized,

[0027] The both ends of the spray pipe 300 pass through the necked end of the elastic cone sleeve 112 respectively, the necked end of the elastic cone sleeve 112 extends out of the box, the fastening mechanism 3 is a pipe clamp, the spray pipe 300 is locked and held by the fastening mechanism 3 after passing through the necked end 112, and the port sealing effect of the necked end 112 is realized,

[0028] Support frame 400 is arranged outside the box 100, the elastic cone sleeve 1 intermediate cone is flexible rubber, in the box 100 operation work plays flexible transition effect, the spray pipe 300 is fixed to the support frame through U-shaped bolt etc fastener on the one end of the box outside, support frame 400 forms support to multiple spray pipes 300 when the screening machine vibrates.

[0029] The sealing device can realize dynamic sealing of the spray pipe 300, play a flexible transition effect during the operation of the screening machine, achieve the effect of dynamic sealing, and prevent liquid in the box from leaking when the screening machine vibrates.

[0030] The screening machine dynamically seals the spray pipe 200 and the box 100 through the sealing device, the spray pipe 300 can directly cross the box 100, more effectively avoiding interference with the horizontal structure inside the screening machine, and the spray pipe is more reasonably distributed; by dynamically sealing the spray pipe 200 and the box 100, the spray pipe 300 can be directly arranged on the screen 200, improving the effect of material spraying and washing.

[0031] The above is only a few specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-substantial changes made by using this concept to the present application shall be deemed as an infringement of the protection scope of the present application.

Claims

1. A sealing device that can satisfy dynamic sealing of a pipe, characterized by: The sealing device comprises an elastic cone sleeve, a sealing disc and a fastening mechanism, the elastic cone sleeve has a flared end and a constricted end at two ends respectively, the sealing disc is arranged at the flared end of the elastic cone sleeve and used for fixing and sealing the elastic cone sleeve, and the fastening mechanism is arranged at the constricted end of the elastic cone sleeve and used for locking a pipeline passing through the constricted end.

2. The sealable pipe dynamic seal of claim 1, wherein: The constricted end is externally provided with a shoulder sleeve, the shoulder sleeve abuts against the fastening mechanism and is used for limiting the movement of the fastening mechanism.

3. The sealable pipe dynamic seal of claim 2, wherein: The shoulder sleeve is provided with two shoulder sleeves, and the fastening mechanism is arranged between the two shoulder sleeves.

4. The sealable pipe dynamic seal of claim 1, wherein: The sealing disc comprises an outer sealing disc and an inner sealing disc, and a gap is left between the inner sealing disc and the outer sealing disc.

5. The sealable pipe dynamic seal of claim 4, wherein: The diameter of the outer sealing disc is larger than that of the inner sealing disc.

6. The sealable pipe dynamic seal of claim 4, wherein: The outer sealing disc is a rigid structure.

7. The sealable pipe dynamic seal of claim 6, wherein: The outer sealing disc is integrally formed with the elastic cone sleeve, and at least one steel ring is arranged in the outer sealing disc to make the outer sealing disc a rigid structure.

8. A screening machine comprising a housing, a screen, a spray pipe, characterized in that: The sealing device further comprises the sealing device according to any one of claims 1-7, the screen is arranged in the box, the spray pipe transversely passes through the box and is arranged above the screen, the spray pipe is respectively provided with a sealing device at two ends, the elastic cone sleeve is fixed to the box through the sealing disc, and the spray pipe is locked by the fastening mechanism at two ends passing through the constricted end of the elastic cone sleeve.

9. The screening machine of claim 8, wherein: The box is provided with a mounting hole, the sealing disc is connected with the mounting hole, and the constricted end extends out of the box.

10. The screening machine of claim 8, wherein: The box is provided with a mounting hole, the sealing disc is connected with the mounting hole, and the constricted end extends out of the box. The box is provided with a mounting hole, the sealing disc is connected with the mounting hole, and the constricted end extends out of the box.

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