Dustproof sealing device for feed port of crusher

Abstract

The utility model belongs to the technical field of dustproof sealing, and particularly relates to a dustproof sealing device for a feed port of a crusher, which is characterized by comprising a supporting ring, a sealing ring arranged on the supporting ring, a pressing ring arranged above the sealing ring and a plurality of pressing ring lifting lugs arranged on the pressing ring. According to the dustproof sealing device for the feed port of the crusher, the sealing ring is deformed under the dead weight of the compression ring to fill a gap between the feed port of the crusher and the vertical ore feeding leakage cylinder of the crusher, so that dust in the crusher is prevented from overflowing, and the effect is good.

Description

Technical Field

[0001] This utility model belongs to the field of dustproof sealing technology, and in particular relates to a dustproof sealing device for the feed inlet of a crusher. Background Technology

[0002] Currently, when adjusting the crusher discharge port during the rotation of the crusher's fixed cone, a 30 mm gap must be maintained between the crusher's feed inlet and the vertical feed cylinder to prevent friction, scraping, and dust overflow. A 1.7 m diameter, 1 m high dustproof rubber sleeve is then fitted over the sleeve. However, dust accumulates in the gap between the sleeve and the feed inlet, eventually filling it completely. The rotation of the feed inlet can also tear this sleeve. This device is cumbersome and easily damaged during crusher assembly and disassembly, causing significant inconvenience to the crusher's operation and maintenance. Summary of the Invention

[0003] The purpose of this utility model is to solve the dustproof sealing problem between the feed inlet of the crusher and the vertical feed cylinder of the crusher. It has a compact structure that is easy to disassemble and assemble, meets the sealing requirements during the operation and adjustment of the crusher, and does not hinder the disassembly and maintenance of the crusher during maintenance.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] The dustproof sealing device for the feed inlet of a crusher of this utility model is characterized by comprising a support ring, a sealing ring disposed on the support ring, a pressure ring disposed above the sealing ring, and several pressure ring lifting lugs disposed on the pressure ring.

[0006] The supporting ring is an L-shaped cylindrical structure welded from a steel ring and a steel plate, used to support the sealing ring and the pressure ring.

[0007] The deformation and ductility of the sealing ring under pressure fill the gap between the crusher feed inlet and the crusher feed vertical chute.

[0008] The pressure ring uses its own weight to compress the sealing ring, causing it to deform and fill the gap between the crusher feed inlet and the crusher feed vertical chute.

[0009] The number of pressure ring lifting lugs mentioned is four.

[0010] Advantages of this utility model:

[0011] (1) The dustproof sealing device for the crusher feed inlet of this utility model has a good effect in preventing dust from overflowing from the crusher by the deformation of the sealing ring under its own weight.

[0012] (2) The dustproof sealing device for the feed inlet of the crusher of this utility model, since the sealing ring is made of elastic material, can compensate for a certain axial rotation and radial runout. Therefore, it can play a good sealing performance when the crusher adjusts the discharge port and the feed inlet of the crusher rotates and when the crusher breaks the ore and causes up and down jump.

[0013] (3) The dustproof sealing device for the feed inlet of the crusher of this utility model has a simple structure, is easy to install and replace, and requires common materials and is inexpensive. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the working process of this utility model. Detailed Implementation

[0016] The specific embodiments of this utility model are further described below with reference to the accompanying drawings.

[0017] like Figure 1 , 2 As shown, the dustproof sealing device for the feed inlet of the crusher of this utility model is characterized by including a support ring 2, a sealing ring 3 disposed on the support ring 2, a pressure ring 4 disposed above the sealing ring 3, and several pressure ring lifting lugs 5 disposed on the pressure ring 4.

[0018] The supporting ring 2 is an L-shaped cylindrical structure welded from a steel ring and a steel plate, used to support the sealing ring 3 and the pressure ring 4.

[0019] The deformation and ductility of the sealing ring 3 under pressure fill the gap between the crusher inlet 1 and the crusher feed vertical discharge cylinder 6, thus preventing internal dust from overflowing.

[0020] The pressure ring 4 uses its own weight to compress the sealing ring 3, causing deformation to fill the gap between the crusher inlet 1 and the crusher feed vertical sluice 6.

[0021] The aforementioned lifting lugs 5 for the pressure rings consist of four pieces. The lifting lugs 5 are used to connect the pressure ring 4 and the crusher's feed vertical strainer 6 together with a hanging rope during crusher disassembly, allowing them to be lifted away together, facilitating the disassembly and replacement of the sealing ring 3.

[0022] A method for manufacturing a dustproof sealing device for a crusher feed inlet includes the following steps:

[0023] 1. Roll a 10 mm thick and 250 mm wide steel strip into a steel ring with a diameter of 2.34 m, and make a steel ring with an outer diameter of 2.34 m and an inner diameter of 2 m using a 10 mm thick steel plate. Weld the steel ring onto the outer circle of the steel ring to form an L-shaped cylindrical structure as a support ring 2. Place it flat on the feed inlet 1 of the crusher and weld it firmly in the center.

[0024] 2. Use a high-elastic sponge rod with a diameter of 200 mm and a length of 7.34 m. Cut the first and last ends at a 45-degree angle and glue them together to form a ring with a diameter of 2.34 m as a sealing ring 3, and place it inside the support ring 2.

[0025] 3. A ring with an outer diameter of 2.28 m and an inner diameter of 1.98 m is made from a 20 mm thick steel plate as a pressure ring 4. It is fitted over the crusher feed vertical chute 6 and pressed onto the sealing ring 3. The pressure ring 4 uses its own weight to flatten and press the sealing ring 3, causing the sealing ring 3 to deform and fill the gap between the crusher feed inlet 1 and the crusher feed vertical chute 6. Four symmetrically distributed pressure ring lifting lugs 5 are installed on the pressure ring 4. When it is necessary to disassemble the crusher and replace the sealing ring 3, the pressure ring 4 and the crusher feed vertical chute 6 are connected together with a rope and lifted away together, which facilitates the disassembly of the crusher and the replacement of the sealing ring 3 without the need for laborious relocation and transportation by personnel.

[0026] Example 1:

[0027] In a workshop of Qidaishan Iron Mine, there is a 30 mm gap between the crusher feed inlet 1 and the crusher feed vertical chute 6. To prevent dust generated during crushing from overflowing through this gap, a dustproof rubber sleeve with a diameter of 1.7 m and a height of 1 m is fitted between the crusher feed inlet 1 and the crusher feed vertical chute 6. When the crusher's fixed cone rotates to adjust the crusher discharge port, the rotation of the crusher feed inlet 1 sometimes tears the dustproof rubber sleeve fitted on the crusher feed inlet 1, causing great trouble to the operation and maintenance of the crusher. Therefore, the device of this invention was invented instead.

[0028] The specific operating steps are as follows:

[0029] 1. Use a 10 mm thick steel plate to make an L-shaped cylindrical structure as a support ring 2, place it flat on the feed inlet 1 of the crusher, center it, and weld it firmly.

[0030] 2. Use a high-elastic sponge rod with a diameter of 200 mm, cut the first and last ends at a 45-degree angle and glue them together to form a ring with a diameter of 2.34 mm as a sealing ring 3, and place it inside the support ring 2.

[0031] 3. A steel ring 4 is made from a 20 mm thick steel plate and placed on the outside of the crusher feed vertical discharge cylinder 6 and pressed on the sealing ring 3. The pressure ring 4 uses its own weight to press the sealing ring 3 flat, causing the sealing ring 3 to deform and fill the gap between the crusher feed inlet 1 and the crusher feed vertical discharge cylinder 6. Since the sealing ring 3 is made of elastic material, it can compensate for a certain amount of axial rotation and radial runout. Therefore, it can perform well in sealing when the crusher adjusts the discharge port, the crusher feed inlet 1 rotates, and the crusher bounces up and down due to the crushing impact. There is no dust overflow.

[0032] This utility model discloses a dustproof sealing device for the crusher feed inlet. The sealing ring 3, under the deformation of the pressure ring 4 due to its own weight, fills the gap between the crusher feed inlet 1 and the crusher feed vertical discharge cylinder 6, effectively preventing dust from overflowing from the crusher. Because the sealing ring 3 is made of elastic material, it can compensate for a certain amount of axial rotation and radial runout. Therefore, it can maintain good sealing performance when the crusher adjusts the discharge port, the crusher feed inlet 1 rotates, or when the crusher experiences up-and-down movement due to crushing impact. This utility model's dustproof sealing device for the crusher feed inlet has a simple structure, is easy to install and replace, and requires common and inexpensive materials.

Claims

1. A dustproof sealing device for the feed inlet of a crusher, characterized in that, It includes a support ring, a sealing ring disposed on the support ring, a pressure ring disposed above the sealing ring, and several pressure ring lifting lugs disposed on the pressure ring.

2. The dustproof sealing device for the crusher feed inlet according to claim 1, characterized in that, The supporting ring is an L-shaped cylindrical structure welded from a steel ring and a steel plate, used to support the sealing ring and the pressure ring.

3. The dustproof sealing device for the crusher feed inlet according to claim 1, characterized in that, The deformation and ductility of the sealing ring under pressure fill the gap between the crusher feed inlet and the crusher feed vertical chute.

4. The dustproof sealing device for the crusher feed inlet according to claim 3, characterized in that, The pressure ring uses its own weight to compress the sealing ring, causing it to deform and fill the gap between the crusher feed inlet and the crusher feed vertical chute.

5. The dustproof sealing device for the crusher feed inlet according to claim 1, characterized in that, The number of pressure ring lifting lugs mentioned is four.

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