A screen installation structure for a crusher

Abstract

The utility model provides a screen installation structure for a crusher, belonging to the technical field of crushers. It solves the problem of inconvenient screen replacement in existing crushers. The screen installation structure of the crusher includes a casing and a side cover hinged on the casing, a screen is installed in the side cover, a side panel 1 with one end hinged to the casing is arranged on the left side of the side cover, a side panel 2 is arranged on the right side of the side cover, a bottom plate is arranged between the lower end of the side panel 1 and the lower end of the side panel 2, the right side of the screen can abut against the side panel 2, and the lower end of the screen abuts against the bottom plate, the left and right sides of the casing are provided with limit stops, a locking assembly is arranged between the right side of the side cover and the casing, and the locking assembly can press the side cover against the casing and abut the left and right edges of the end face of the screen facing the casing against the limit stops. The screen installation structure of the crusher makes the screen relatively stable after installation, and can directly move in the horizontal direction and slide out of the side cover, which greatly facilitates the convenience of screen replacement.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushers and relates to a screen installation structure of a crusher. Background Art

[0002] Waste or residual materials generated in daily life or production are usually crushed by a crusher before being processed, making the storage and transportation of waste more convenient. Existing crushers usually use single rollers or double rollers. When crushing, it is usually necessary to screen it out through a screen, and the crushed materials that meet the aperture size are directly discharged from the crusher's discharge port, and the crushed materials that do not meet the aperture size continue to remain in the crusher and are crushed multiple times by roller cutters until they are crushed into crushed materials that meet the aperture size and are discharged.

[0003] During use, some of the cut waste will get stuck on the screen or powder will adhere to the screen holes of the screen, which causes the screen to need to be frequently replaced and cleaned after long-term use. Therefore, the existing Chinese patent application [authorization announcement number: CN218475334U] discloses a comprehensive crusher with hydraulic opening, including a main frame, a crusher rear cover and a crushing rotating roller, a foldable screen is connected to the crusher rear cover, the foldable screen includes a movable screen and a fixed screen, the movable screen and the fixed screen are evenly opened, and a plurality of The screen fixing screws, the fixed net is provided with an opening at the joint with the side wall of the crusher rear cover, the opening corresponds to the position of the screen fixing screws, the opening of the fixed net cooperates with the screen fixing screws to fix the fixed net on the crusher rear cover, a hinge is provided at the connection between the movable net and the fixed net, the movable net is connected to the fixed net through the hinge, the movable net rotates on the axis of one end of the fixed net close to the crushing rotating roller through the hinge, a screen tensioning mechanism is provided on the upper side wall of the main frame, the movable net is placed on the screen tensioning mechanism, and the movable net can move along the screen tensioning mechanism.

[0004] The above structure fixes the foldable screen on the crusher rear cover by screen fixing screws, but when replacing, multiple screen fixing screws need to be taken out, and the screen fixing screws are smaller parts, which are easy to lose after being taken out, and after the replacement is completed, the foldable screen needs to be fixed on the crusher rear cover by multiple screen fixing screws, which makes the replacement of the foldable screen inconvenient and not convenient for the quick replacement of the crusher screen. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems in the existing technology and propose a screen installation structure for a crusher. The technical problem to be solved by the utility model is: how to solve the problem of inconvenience in replacing the screen of the existing crusher.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A screen installation structure for a crusher comprises a casing and a side cover hinged on the casing, a screen being installed in the side cover, and is characterized in that a side panel one at one end hinged to the casing is provided on the left side of the side cover, a side panel two is provided on the right side of the side cover, a bottom plate is provided between the lower end of the side panel one and the lower end of the side panel two, the right side of the screen can abut against the side panel two, and the lower end of the screen abuts against the bottom plate, the left and right sides of the casing both have limit stop edges, a locking assembly is provided between the right side of the side cover and the casing, the locking assembly can press the side cover against the casing and abut the left and right edges of the end face of the screen facing the casing against the limit stop edges.

[0008] Working principle: when installing the screen, first insert the screen into the side cover from side panel one, insert it to the right side of the screen and abut it against side panel two, so as to realize the pre-positioning of the screen in the left and right directions, and the lower end of the screen abuts against the bottom plate, so as to realize the positioning of the screen in the up and down directions, and press the side cover against the casing by rotating the side cover, and lock it through the locking assembly. At this time, the locking force of the locking assembly can press the end face of the screen against the limit stop edge of the casing, so as to realize the limitation of the front and back directions of the screen, and because the screen is made of metal and has a large volume, the weight of the screen is heavier, and the screen relies on its own weight to make the lower end of the screen abut against the bottom plate, and the bottom plate limits the screen, so as to ensure that the screen is installed stably and is not easy to shift; when the screen needs to be replaced, the locking assembly can be directly loosened, and the screen can be moved out from side panel one. The screen installation structure eliminates the design of locking and positioning the screen with fastening screws. The screen in the structure can be directly moved in the left and right directions and installed on the side cover, and the side cover is fixed to the casing through the locking assembly to press the screen against the limit stop edge, so that the screen is relatively stable after installation and is not easy to shift. It can also be directly moved in the horizontal direction and slide out of the side cover, which greatly facilitates the convenience of screen replacement.

[0009] In actual use, depending on the setting of the site space, the side panel one can be set at the right end of the side panel, the side panel two can be set at the left end of the side panel, and the side panel two can be hinged to the casing to facilitate the opening and closing of the side cover.

[0010] In the above-mentioned crusher screen installation structure, the side plate 1 has a support surface 1 arranged toward the screen direction, the screen is an arc-shaped plate, the front and rear ends of the screen both have arc-shaped inner walls, and the support surface 1 can be abutted against the arc-shaped inner wall at the front end of the screen, and the arc-shaped inner wall at the rear end of the screen can be abutted against the limit stop.

[0011] Through the setting of the supporting surface one, when the screen is in contact with the limit stop edge, part of the clamping force can be transmitted to the side plate one through the supporting surface one, thereby improving the stability of the screen setting, and the rear end of the screen is in contact with the limit stop edge to achieve the positioning of the rear end of the screen, thereby achieving the positioning of the front end of the screen through the cooperation of the supporting surface one and the limit stop edge.

[0012] In the above-mentioned crusher screen installation structure, a supporting boss is fixed on the inner side wall of the second side plate, and the supporting boss can be in contact with the arc-shaped inner wall of the front end of the screen.

[0013] Through the arrangement of this structure, the supporting boss further supports and positions the front end of the screen, while the supporting surface one supports the front end of the screen, so that the front end of the screen is supported, ensuring stable installation of the screen.

[0014] In the above-mentioned crusher screen installation structure, the support boss is arc-shaped, and the support boss has a second support surface arranged toward the screen, and the second support surface is in contact with the arc-shaped inner wall of the front end of the screen.

[0015] Through the arrangement of this structure, the contact area between the second supporting surface and the front end of the screen is larger, which further improves the supporting effect on the front end of the screen and enhances the stability of the screen arrangement.

[0016] In the above-mentioned crusher screen installation structure, the limit stop has an arc-shaped abutment surface, and the arc-shaped inner wall at the rear end of the screen can be pressed against the abutment surface.

[0017] The setting of the abutment surface increases the contact area between the end face of the screen and the limit stop edge, improves the stability of the screen positioning, and also improves the supporting effect on the screen.

[0018] In the above-mentioned crusher screen installation structure, a support plate is fixed on the inner wall of the side cover, and the support plate is arranged between side plate two and side plate one. The support plate has a support surface three facing the screen, and the support surface three is in contact with the arc-shaped inner wall of the screen.

[0019] Through the arrangement of this structure, the support surfaces on the support plate form support for the middle parts of three pairs of screens, thereby further improving the supporting effect on the screen and improving the stability of the screen installation.

[0020] In the above-mentioned crusher screen installation structure, there are at least two support plates, the bottom plate is in the shape of a long strip, and all the support plates are arranged at intervals along the length direction of the bottom plate.

[0021] Through the arrangement of this structure, the arrangement of multiple support plates further improves the supporting effect on the screen, realizes multi-point support for the screen, and makes the stability of the screen higher when compressed.

[0022] In the above-mentioned crusher screen installation structure, one end of the bottom plate is fixedly connected to the lower end of the side plate one, the other end of the bottom plate is fixedly connected to the lower end of the side plate two, and the lower end of the support plate is fixedly connected to the bottom plate.

[0023] The lower end of the screen is against the bottom plate, and the bottom plate mainly bears the gravity of the screen. The bottom plate is fixedly connected to the side plate 1, the support plate and the side plate 2 respectively, so as to improve the connection strength of the bottom plate and improve the pressure bearing performance of the bottom plate.

[0024] In the above-mentioned crusher screen installation structure, the left side of the side cover is hinged to the casing through a hinge.

[0025] Through the arrangement of this structure, when the screen needs to be replaced, the locking assembly is opened to unlock the side cover and the casing, and then the side cover is rotated, and the rear end of the side cover is rotated outwardly through the hinge to facilitate the subsequent screen replacement operation.

[0026] In the above-mentioned crusher screen installation structure, the locking assembly includes a positioning seat arranged on the second outer surface of the side plate and a base arranged on the outer surface of the casing, the base is hinged with a positioning rod that can rotate in the horizontal direction, the positioning seat is provided with a notch that can accommodate the positioning rod, the outer end of the positioning rod is located in the notch, the outer end of the positioning rod is threadedly connected with a locking nut, and the locking nut is pressed against the positioning seat.

[0027] Through the arrangement of this structure, when the screen needs to be replaced, the locking nut is unscrewed so that the locking nut is no longer pressed on the positioning seat, and then the positioning rod is rotated to disengage the positioning rod from the notch, and the side cover is in an unlocked state and can be opened at will.

[0028] Compared with the prior art, the screen installation structure of the crusher of the utility model has the following advantages: the screen installation structure cancels the design of locking and positioning the screen by fastening screws, and the screen in the structure can be directly moved laterally and installed on the side cover, and the screen is relatively stable after installation and is not easy to shift, and can also be directly moved laterally and slide out of the side cover, which greatly facilitates the convenience of screen replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0030] Figure 2 yes Figure 1 Schematic diagram of the magnifying glass structure in part A.

[0031] Figure 3 It is one of the partial three-dimensional structural schematic diagrams of the utility model.

[0032] Figure 4It is one of the schematic diagrams of the partial explosion structure of the utility model.

[0033] Figure 5 This is the second schematic diagram of the partial explosion structure of the utility model.

[0034] Figure 6 This is the second schematic diagram of the partial three-dimensional structure of the utility model.

[0035] Figure 7 This is the third partial three-dimensional structural schematic diagram of the utility model.

[0036] In the figure, 1, casing; 11, limit stop edge; 11a, abutment surface; 2, side cover; 3, screen; 30, arc-shaped inner wall; 4, side panel one; 40, support surface one; 5, side panel two; 6, bottom plate; 7, support boss; 70, support surface two; 8, support plate; 80, support surface three; 9, hinge; 10, locking assembly; 100, positioning seat; 100a, notch; 101, base; 102, positioning rod; 103, locking nut. DETAILED DESCRIPTION

[0037] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0038] like Figure 1-7 As shown, the screen installation structure of the crusher includes a casing 1 and a side cover 2 hinged on the casing 1, a screen 3 is installed inside the side cover 2, a side plate 1 4 is provided at one end hinged to the casing 1 on the left side of the side cover 2, a side plate 2 5 is provided on the right side of the side cover 2, a supporting boss 7 is fixed on the inner side wall of the side plate 2 5, a bottom plate 6 is provided between the lower end of the side plate 1 4 and the lower end of the side plate 2 5, the right side of the screen 3 can be abutted against the side plate 2 5, the front end and the rear end of the screen 3 both have an arc-shaped inner wall 30, and the supporting boss 7 and the arc-shaped inner wall 30 at the front end of the screen 3 are connected. 0 is abutted against, the arc-shaped inner wall 30 at the rear end of the screen 3 can abut against the limit stop edge 11, the lower end of the screen 3 abuts against the bottom plate 6, the side plate 4 has a supporting surface 40 arranged toward the screen 3, the supporting surface 40 can abut against the arc-shaped inner wall 30 at the front end of the screen 3, the left and right sides of the casing 1 both have limit stops 11, and a locking assembly 10 is arranged between the right side of the side cover 2 and the casing 1, the locking assembly 10 can press the side cover 2 against the casing 1 and press the left and right sides of the end surface of the screen 3 facing the casing 1 against the limit stop edge 11.

[0039] Working principle: When installing the screen 3, first insert the screen 3 from the side plate 1 3 into the side cover 2, insert it to the right side of the screen 3 and abut it against the side plate 2 5, so as to realize the pre-positioning of the screen 3 in the left and right directions, and the lower end of the screen 3 abuts against the bottom plate 6, so as to realize the positioning of the screen 3 in the up and down directions, and by rotating the side cover 2, the side cover 2 is pressed against the casing 1, and locked by the locking assembly 10, at this time, the locking force of the locking assembly 10 can press the end face of the screen 3 against the casing 1, the limit of the front and rear direction of the screen 3 is realized, and because the screen 3 is made of metal and the volume of the screen 3 is large, the weight of the screen 3 is heavy, and the screen 3 relies on its own weight to make the lower end of the screen 3 abut against the bottom plate 6, and the bottom plate 6 plays a role in limiting the screen 3, ensuring that the screen 3 is installed stably and not easy to shift; when the screen 3 needs to be replaced, the locking assembly 10 can be directly loosened, and the screen 3 can be moved out from the side plate 4. This screen installation structure cancels the design of locking and positioning the screen 3 with the fastening screws. The screen 3 in this structure can be directly moved in the left and right directions and installed on the side cover 2, and the side cover 2 is fixed on the housing 1 through the locking assembly 10 to realize that the screen 3 is pressed against the limit stop 11, so that the screen 3 is relatively stable after installation and not easy to shift. It can also be directly moved in the horizontal direction and slide out from the side cover 2, which greatly facilitates the convenience of replacing the screen 3.

[0040] like Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, the support boss 7 in this embodiment is in an arc shape, and the support boss 7 has a second support surface 70 arranged toward the screen 3, and the second support surface 70 abuts against the arc-shaped inner wall 30 at the front end of the screen 3. The contact area between the second support surface 70 and the front end of the screen 3 is large, which further improves the support effect on the front end of the screen 3, and the limit stop 11 has an arc-shaped abutting surface 11a, and the arc-shaped inner wall 30 at the rear end of the screen 3 can be pressed against the abutting surface 11a.

[0041] like Figure 3 and Figure 4 As shown, a support plate 8 is fixed on the inner side wall of the side cover 2, and the support plate 8 is arranged between the side plate 2 5 and the side plate 1 4. In this embodiment, there are at least two support plates 8, and the bottom plate 6 is in a long strip shape. All support plates 8 are arranged at intervals along the length direction of the bottom plate 6. The support plate 8 has a support surface 3 80 facing the screen 3, and the support surface 3 80 is in contact with the arc-shaped inner wall 30 of the screen 3. The support surface 3 80 on the support plate 8 supports the middle part of the screen 3. The arrangement of multiple support plates 8 further improves the support effect on the screen 3 and improves the stability of the installation of the screen 3.

[0042] like Figure 4As shown, one end of the bottom plate 6 is fixedly connected to the lower end of the side plate 1 4, the other end of the bottom plate 6 is fixedly connected to the lower end of the side plate 2 5, and the lower end of the support plate 8 is fixedly connected to the bottom plate 6. The lower end of the screen 3 abuts against the bottom plate 6, and the bottom plate 6 mainly bears the gravity of the screen. The bottom plate 6 is fixedly connected to the side plate 1 4, the support plate 8 and the side plate 2 5, respectively, so that there are multiple connection points on the bottom plate 6, which improves the connection strength of the bottom plate 6 and further improves the pressure bearing performance of the bottom plate 6.

[0043] like Figure 1 and Figure 2 As shown, the left side of the side cover 2 is hinged to the housing 1 through a hinge 9. Specifically, the locking assembly 10 includes a positioning seat 100 arranged on the outer side of the side plate 2 5 and a base 101 arranged on the outer side of the housing 1, a positioning rod 102 that can rotate in the horizontal direction is hinged on the base 101, and a notch 100a that can accommodate the positioning rod 102 is opened on the positioning seat 100, the outer end of the positioning rod 102 is located in the notch 100a, and the outer end of the positioning rod 102 is threadedly connected with a locking nut 103, and the locking nut 103 is pressed on the positioning seat 100. When the screen 3 needs to be replaced, the locking nut 103 is unscrewed so that the locking nut 103 is no longer pressed on the positioning seat 100, and then the positioning rod 102 is rotated so that the positioning rod 102 is separated from the notch 100a, and the side cover 2 is in an unlocked state, and the side cover 2 can be opened at will.

[0044] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A crusher screen installation structure, comprising a housing (1) and a side cover (2) hinged to the housing (1), wherein a screen (3) is installed in the side cover (2), characterized in that: The left side of the side cover (2) is provided with a side panel 1 (4) hinged to the casing (1), the right side of the side cover (2) is provided with a side panel 2 (5), a bottom plate (6) is provided between the lower end of the side panel 1 (4) and the lower end of the side panel 2 (5), the right side of the screen (3) can abut against the side panel 2 (5), and the lower end of the screen (3) abuts against the bottom plate (6), the left and right sides of the casing (1) are provided with limit stop edges (11), a locking assembly (10) is provided between the right side of the side cover (2) and the casing (1), the locking assembly (10) can press the side cover (2) against the casing (1) and abut the left and right sides of the end surface of the screen (3) facing the casing (1) against the limit stop edges (11).

2. A crusher screen installation structure according to claim 1, characterized in that: The side plate (4) has a supporting surface (40) arranged in the direction of the screen (3); the screen (3) is in the shape of an arc-shaped plate; the front and rear ends of the screen (3) both have arc-shaped inner walls (30); the supporting surface (40) can abut against the arc-shaped inner wall (30) at the front end of the screen (3); and the arc-shaped inner wall (30) at the rear end of the screen (3) can abut against the limit stop (11).

3. A crusher screen installation structure according to claim 2, characterized in that: A supporting boss (7) is fixed on the inner side wall of the second side plate (5), and the supporting boss (7) can abut against the arc-shaped inner wall (30) at the front end of the screen (3).

4. A crusher screen installation structure according to claim 3, characterized in that: The supporting boss (7) is in an arc shape and has a second supporting surface (70) arranged in the direction of the screen (3). The second supporting surface (70) is in contact with the arc-shaped inner wall (30) at the front end of the screen (3).

5. A crusher screen installation structure according to any one of claims 1 to 4, characterized in that: The limit stop edge (11) has an arc-shaped abutment surface (11a), and the arc-shaped inner wall (30) at the rear end of the screen (3) can be pressed tightly against the abutment surface (11a).

6. A crusher screen installation structure according to claim 2, 3 or 4, characterized in that: A support plate (8) is fixed on the inner side wall of the side cover (2), the support plate (8) being arranged between the second side plate (5) and the first side plate (4), the support plate (8) having a support surface three (80) facing the screen (3), the support surface three (80) being in contact with the arc-shaped inner wall (30) at the front end of the screen (3).

7. A crusher screen installation structure according to claim 6, characterized in that: The support plates (8) include at least two pieces, the bottom plate (6) is in the shape of an elongated strip, and all the support plates (8) are arranged at intervals along the length direction of the bottom plate (6).

8. A crusher screen installation structure according to claim 6, characterized in that: One end of the bottom plate (6) is fixedly connected to the lower end of the first side plate (4), the other end of the bottom plate (6) is fixedly connected to the lower end of the second side plate (5), and the lower end of the support plate (8) is fixedly connected to the bottom plate (6).

9. A crusher screen installation structure according to any one of claims 1 to 4, characterized in that: The left side of the side cover (2) is hinged to the casing (1) via a hinge (9).

10. A crusher screen installation structure according to claim 9, characterized in that: The locking assembly (10) comprises a positioning seat (100) arranged on the outer side of the second side plate (5) and a base (101) arranged on the outer side of the housing (1); a positioning rod (102) capable of rotating in a horizontal direction is hingedly connected to the base (101); a notch (100a) capable of accommodating the positioning rod (102) is formed on the positioning seat (100); the outer end of the positioning rod (102) is located in the notch (100a); the outer end of the positioning rod (102) is threadedly connected to a locking nut (103); and the locking nut (103) is pressed against the positioning seat (100).

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