Roller crusher without dust leakage

Abstract

The utility model relates to a roller crusher without dust leakage, which comprises a shell and crushing rollers, a crushing cavity is arranged in the middle of the shell, component mounting cavities are arranged on two sides of the shell, and the crushing cavity and the component mounting cavities are separated by a partition plate; the crushing roller pair is composed of a movable roller shaft and a fixed roller shaft, a movable roller shaft crushing part and a fixed shaft crushing part are arranged between the movable roller shaft and the fixed roller shaft, and the movable roller shaft crushing part and the fixed shaft crushing part are located in the crushing cavity; the two side parts of the movable roll shaft crushing part are adjustable mounting parts, the two side parts of the fixed shaft crushing part are fixed mounting parts, and the adjustable mounting parts and the fixed mounting parts are located in the component mounting cavities. According to the utility model, closed gas protection is adopted, easily oxidized materials are protected, materials needing inert gas protection can be crushed, gas and dust are prevented from escaping, the environment is protected, and the crushing purity and quality of products are ensured.

Description

Technical Field

[0001] This utility model belongs to the technical field of roller crushers, and relates to a dust-free double roller crusher. Background Technology

[0002] Traditional double roll crushers are mostly designed to be unsealed. They lack an internal chamber, and the sliding grooves between the moving roller and the side plate of the frame are not sealed. As a result, the dust from the crushed material can spread throughout the frame, causing dust to escape during use and polluting the environment. The purity of the material cannot be guaranteed, affecting the quality of the crushed material. Moreover, traditional double roll crushers cannot crush easily oxidized materials, and their function is limited. Summary of the Invention

[0003] The purpose of this invention is to provide a dust-free double-roll crusher that can solve the above-mentioned problems and prevent gas and dust from escaping.

[0004] According to the technical solution provided by this utility model: a dust-free double-roll crusher includes a shell and crushing double rolls. The shell has a crushing chamber in the middle and component mounting chambers on both sides. The crushing chamber and component mounting chambers are separated by a partition. The crushing double rolls are composed of a moving roller shaft and a fixed roller shaft. The middle part of the moving roller shaft and the fixed roller shaft is the crushing part of the moving roller shaft and the crushing part of the fixed roller shaft, which are located in the crushing chamber. The two sides of the crushing part of the moving roller shaft are adjustable mounting parts, and the two sides of the crushing part of the fixed roller shaft are fixed mounting parts. The adjustable mounting parts and the fixed mounting parts are located in the component mounting chambers. A sliding sealing structure is provided between the crushing chamber and the component mounting chambers. A feed cover plate is provided above the moving roller shaft and the fixed roller shaft. A feed inlet is opened on the feed cover plate, and a discharge outlet is opened at the bottom of the crushing chamber. Bearing seats are symmetrically slidably provided in the component mounting chambers. The adjustable mounting parts on both sides of the moving roller shaft are located in the bearing seats. A horizontal groove is opened in the partition.

[0005] As a further improvement of this utility model, the shell has a U-shaped structure.

[0006] As a further improvement of this utility model, a guide protrusion is provided in the component mounting cavity, and a matching groove is provided on the bearing seat, and the bearing seat slides along the guide protrusion.

[0007] As a further improvement of this utility model, the sealing ring is made of PTFE packing.

[0008] As a further improvement of this utility model, the sliding sealing structure includes an inner sealing seat, which includes a connecting pipe. One end of the connecting pipe is connected to the end of the bearing seat, and the other end passes through the horizontal waist groove, extends into the crushing chamber, and connects to the sealing disc. A sealing ring is installed on the end face of the sealing disc. The sealing ring is located on the outer periphery of the horizontal waist groove and contacts the partition plate. The sealing section on the moving roller shaft located between the crushing part and the adjustable mounting part of the moving roller shaft is located in the connecting pipe. A multi-layer skeleton oil seal is installed in the connecting pipe.

[0009] As a further improvement of the utility model, the sealing groove is arranged on the sealing disc, the sealing groove is arranged on the side close to the partition plate, and the sealing ring is arranged in the sealing groove.

[0010] As a further improvement of the utility model, the shell is bolted with the feeding cover plate, and the feeding port is arranged above the movable roller shaft crushing part and the fixed shaft crushing part.

[0011] As a further improvement of the utility model, the movable roller shaft crushing part and the fixed shaft crushing part are arranged in the crushing area, and the feeding port of the feeding cover plate surrounds the crushing area.

[0012] As a further improvement of the utility model, the dust-free roller crusher is arranged on the material collecting device, the material collecting device comprises a material collecting frame, and a material collecting hopper is arranged in the material collecting frame; the upper portion of the material collecting hopper extends into the crushing cavity and surrounds the movable roller shaft crushing part and the fixed shaft crushing part, and the inner side of the material collecting hopper is symmetrically provided with a material scraping plate, and the material scraping plate is tightly attached to the movable roller shaft crushing part and the fixed shaft crushing part.

[0013] As a further improvement of the utility model, the material collecting hopper is provided with a mounting plate, and the mounting plate is fixedly connected with the material collecting frame through bolts.

[0014] The positive progress effect of the application is that:

[0015] The utility model adopts closed gas protection, has a protective effect on easily oxidized materials, can crush materials that need inert gas protection, avoids gas and dust escaping, protects the environment, and ensures the crushing purity and quality of products. DRAWINGS

[0016] Figure 1 It is a front view of the utility model.

[0017] Figure 2 It is a top view of the utility model.

[0018] Figure 3 It is a side view of the utility model. CONCRETE IMPLEMENTING METHOD

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0020] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0021] It should be noted that the terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, "including" and "having" and the like similar terms mean that in addition to those listed in "including" and "having", other contents not yet listed can also be "including" and "having"; for example, a process, method, system, product or device that can include a series of steps or units does not have to be limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] Due to the angle of the drawing, some parts may not be drawn, but their positions and connection relationships can be understood according to the textual expression part.

[0023] As shown in Figures 1-2 The present application is a dust-free leak roller crusher, which comprises a shell 1 and a crushing roller. The shell 1 is in a back-to-back structure, the middle part is a crushing cavity 1-1, and the two sides are component installation cavities 1-2. The crushing cavity 1-1 and the component installation cavities 1-2 are separated by a partition plate 1-3. The crushing roller is composed of a movable roller shaft 11 and a fixed roller shaft 12. The middle part of the movable roller shaft 11 and the fixed roller shaft 12 is a movable roller shaft crushing part 11-1 and a fixed shaft crushing part 12-1, which is located in the crushing cavity 1-1. The two side parts of the movable roller shaft crushing part 11-1 are adjustable mounting parts, and the two side parts of the fixed shaft crushing part 12-1 are fixed mounting parts. The adjustable mounting parts and the fixed mounting parts are located in the component installation cavities 1-2, and a sliding sealing structure is provided between the crushing cavity 1-1 and the component installation cavities 1-2. A feeding cover plate 2 is provided above the movable roller shaft 11 and the fixed roller shaft 12. The feeding cover plate 2 has a feeding port, and the bottom of the crushing cavity 1-1 has a discharge port.

[0024] A bearing seat 5 is symmetrically provided in the component installation cavities 1-2, and the adjustable mounting parts of the movable roller shaft 11 are located in the bearing seat 5. It can be understood that a horizontal waist groove is provided in the partition plate 1-3 to avoid interference with the movable roller shaft 11.

[0025] Specifically, the component mounting cavity 1-2 is provided with a guide protrusion, and the bearing seat 5 is provided with a matched groove, and the bearing seat 5 slides along the guide protrusion.

[0026] The sliding sealing structure includes an inner sealing seat 8, as shown in the drawings. Figure 3 As shown in the drawings, the inner sealing seat 8 includes a connecting pipe 8-1, one end of the connecting pipe 8-1 is connected with the end of the bearing seat 5, the other end penetrates through the horizontal waist groove and extends into the crushing cavity 1-1 and is connected with a sealing disc 8-2, the sealing disc 8-2 is provided with a sealing ring 9 on the end face, the sealing ring 9 is located on the outer periphery of the horizontal waist groove and is in contact with the partition plate 1-3, thereby sealing between the inner sealing seat 8 and the partition plate 1-3. The sealing ring 9 is made of a four-fluorine packing. The sealing section 11-2 of the movable roller shaft 11 between the movable roller shaft crushing part 11-1 and the adjustable mounting part is located in the connecting pipe 8-1, and a multi-layer skeleton oil seal 7 is installed in the connecting pipe 8-1, thereby sealing between the movable roller shaft 11 and the inner sealing seat 8. The above structure isolates the crushing cavity 1-1 from the component mounting cavity 1-2, which can effectively prevent dust generated during crushing from entering the component mounting cavity 1-2.

[0027] A sealing groove is opened on the sealing disc 8-2, the sealing groove is located on the side close to the partition plate 1-3, and the sealing ring 9 is installed in the sealing groove.

[0028] The shell 1 is bolted with the feeding cover plate 2, and the feeding port is located above the movable roller shaft crushing part 11-1 and the fixed shaft crushing part 12-1.

[0029] Due to the arrangement of the processing technology, the horizontal waist groove is first processed into a semi-closed type, and then the limiting plate 10 is inlaid to be closed.

[0030] The movable roller shaft crushing part 11-1 and the fixed shaft crushing part 12-1 are crushing areas.

[0031] The feeding port of the feeding cover plate 2 encloses the upper part of the crushing area, so that after the material enters the feeding port, it can only be squeezed and crushed in the crushing area and then fall out of the discharge port.

[0032] The dust-free roll crusher is placed on a material collecting device, and the material collecting device includes a material collecting frame 13, and the material collecting frame 13 is provided with a material collecting hopper 3. Specifically, the material collecting hopper 3 is provided with an installation plate 14 outside, the installation plate 14 is fixedly connected with the material collecting frame 13 through bolts, and the material collecting frame 13 and the material collecting hopper 3 are sealed to prevent the crushed material from flowing out.

[0033] The upper part of the material collecting hopper 3 extends into the crushing cavity 1-1 and encloses the movable roller shaft crushing part 11-1 and the fixed shaft crushing part 12-1, and the inner side of the material collecting hopper 3 is symmetrically provided with a scraping plate 4 which is tightly attached to the movable roller shaft crushing part 11-1 and the fixed shaft crushing part 12-1.

[0034] In the embodiment, the dynamic roller shaft 11 rotates clockwise, and the fixed roller shaft 12 rotates counterclockwise. The material powder adhered to the crushing counter-roller is scraped into the collecting hopper 3 by the scraper 4.

[0035] The collecting hopper 3 is provided with a clearance groove to prevent interference with the crushing counter-roller.

[0036] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, and the present application is not limited thereto. Various modifications and improvements can be made by those skilled in the art without departing from the spirit and essence of the present application, and these modifications and improvements are also considered within the protection scope of the present application.

Claims

1. A dustless leakproof pair roller crusher comprising a housing (1) and crushing pair rollers, characterized in that, The shell (1) is in the middle of the crushing cavity (1-1), both sides are component installation cavity (1-2), crushing cavity (1-1) and component installation cavity (1-2) are separated by partition (1-3); the crushing roller is composed of dynamic roller shaft (11) and fixed roller shaft (12), the middle part of dynamic roller shaft (11) and fixed roller shaft (12) is dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1), dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1) are located in crushing cavity (1-1); the two sides of dynamic roller shaft crushing part (11-1) are adjustable installation part, the two sides of fixed shaft crushing part (12-1) are fixed installation part, adjustable installation part and fixed installation part are located in component installation cavity (1-2), sliding sealing structure is arranged between crushing cavity (1-1) and component installation cavity (1-2); the upper part of dynamic roller shaft (11) and fixed roller shaft (12) is provided with feeding cover plate (2), the feeding cover plate (2) is provided with feeding port, the bottom of crushing cavity (1-1) is provided with discharge port; the bearing seat (5) is symmetrically arranged in component installation cavity (1-2), the two sides of dynamic roller shaft (11) are located in bearing seat (5); the horizontal waist groove is formed in partition (1-3).

2. The dust-free leakproof roll crusher of claim 1, wherein, The shell (1) is in the middle of the crushing cavity (1-1), both sides are component installation cavity (1-2), crushing cavity (1-1) and component installation cavity (1-2) are separated by partition (1-3); the crushing roller is composed of dynamic roller shaft (11) and fixed roller shaft (12), the middle part of dynamic roller shaft (11) and fixed roller shaft (12) is dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1), dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1) are located in crushing cavity (1-1); the two sides of dynamic roller shaft crushing part (11-1) are adjustable installation part, the two sides of fixed shaft crushing part (12-1) are fixed installation part, adjustable installation part and fixed installation part are located in component installation cavity (1-2), sliding sealing structure is arranged between crushing cavity (1-1) and component installation cavity (1-2); the upper part of dynamic roller shaft (11) and fixed roller shaft (12) is provided with feeding cover plate (2), the feeding cover plate (2) is provided with feeding port, the bottom of crushing cavity (1-1) is provided with discharge port; the bearing seat (5) is symmetrically arranged in component installation cavity (1-2), the two sides of dynamic roller shaft (11) are located in bearing seat (5); the horizontal waist groove is formed in partition (1-3).

3. The dust-free leakproof roll crusher of claim 1, wherein, The shell (1) is in the middle of the crushing cavity (1-1), both sides are component installation cavity (1-2), crushing cavity (1-1) and component installation cavity (1-2) are separated by partition (1-3); the crushing roller is composed of dynamic roller shaft (11) and fixed roller shaft (12), the middle part of dynamic roller shaft (11) and fixed roller shaft (12) is dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1), dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1) are located in crushing cavity (1-1); the two sides of dynamic roller shaft crushing part (11-1) are adjustable installation part, the two sides of fixed shaft crushing part (12-1) are fixed installation part, adjustable installation part and fixed installation part are located in component installation cavity (1-2), sliding sealing structure is arranged between crushing cavity (1-1) and component installation cavity (1-2); the upper part of dynamic roller shaft (11) and fixed roller shaft (12) is provided with feeding cover plate (2), the feeding cover plate (2) is provided with feeding port, the bottom of crushing cavity (1-1) is provided with discharge port; the bearing seat (5) is symmetrically arranged in component installation cavity (1-2), the two sides of dynamic roller shaft (11) are located in bearing seat (5); the horizontal waist groove is formed in partition (1-3).

4. The dust-free leakproof roll crusher of claim 1, wherein The shell (1) is in the middle of the crushing cavity (1-1), both sides are component installation cavity (1-2), crushing cavity (1-1) and component installation cavity (1-2) are separated by partition (1-3); the crushing roller is composed of dynamic roller shaft (11) and fixed roller shaft (12), the middle part of dynamic roller shaft (11) and fixed roller shaft (12) is dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1), dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1) are located in crushing cavity (1-1); the two sides of dynamic roller shaft crushing part (11-1) are adjustable installation part, the two sides of fixed shaft crushing part (12-1) are fixed installation part, adjustable installation part and fixed installation part are located in component installation cavity (1-2), sliding sealing structure is arranged between crushing cavity (1-1) and component installation cavity (1-2); the upper part of dynamic roller shaft (11) and fixed roller shaft (12) is provided with feeding cover plate (2), the feeding cover plate (2) is provided with feeding port, the bottom of crushing cavity (1-1) is provided with discharge port; the bearing seat (5) is symmetrically arranged in component installation cavity (1-2), the two sides of dynamic roller shaft (11) are located in bearing seat (5); the horizontal waist groove is formed in partition (1-3).

5. The dust-free leakproof roll crusher of claim 1, wherein, The shell (1) is in the middle of the crushing cavity (1-1), both sides are component installation cavity (1-2), crushing cavity (1-1) and component installation cavity (1-2) are separated by partition (1-3); the crushing roller is composed of dynamic roller shaft (11) and fixed roller shaft (12), the middle part of dynamic roller shaft (11) and fixed roller shaft (12) is dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1), dynamic roller shaft crushing part (11-1) and fixed shaft crushing part (12-1) are located in crushing cavity (1-1); the two sides of dynamic roller shaft crushing part (11-1) are adjustable installation part, the two sides of fixed shaft crushing part (12-1) are fixed installation part, adjustable installation part and fixed installation part are located in component installation cavity (1-2), sliding sealing structure is arranged between crushing cavity (1-1) and component installation cavity (1-2); the upper part of dynamic roller shaft (11) and fixed roller shaft (12) is provided with feeding cover plate (2), the feeding cover plate (2) is provided with feeding port, the bottom of crushing cavity (1-1) is provided with discharge port; the bearing seat (5) is symmetrically arranged in component installation cavity (1-2), the two sides of dynamic roller shaft (11) are located in bearing seat (5); the horizontal waist groove is formed in partition (1-3).

6. The dust-free leakproof roll crusher as claimed in claim 5, wherein ​ 7. The dust-free leakproof roll crusher of claim 1, wherein ​ 8. The dust-free leakproof roll crusher of claim 1, wherein, ​ 9. The dust-free leakproof roll crusher of claim 1, wherein, ​ 10. The dust-free leakproof roll crusher as claimed in claim 9, wherein The collecting hopper (3) is externally provided with a mounting plate (14), and the mounting plate (14) is fixedly connected with the collecting frame (13) through bolts.

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