Impurity removal equipment for paper pulp raw materials

Abstract

The utility model discloses paper pulp raw material impurity removal equipment, which belongs to the technical field of paper pulp raw material treatment and comprises an impurity removal box, a partition plate is fixedly connected to the middle of the inner wall of the impurity removal box, two limiting plates which are symmetrically arranged are fixedly connected to each of the two side walls of the partition plate, and a filter screen is movably inserted between the two limiting plates on the same side. The two filter screens are movably inserted into insertion channels formed in the two side walls of the impurity removal box, and clamping structures are connected between the top ends of the filter screens and the outer wall of the impurity removal box; according to the utility model, through the arrangement of the rotary switching structure, the electric telescopic rod pulls the L-shaped toothed plate to move and is matched with the engagement of the L-shaped toothed plate and the gear, so that the bottom end of the rotary pipe can move to the upper part of the filter screen on the front side, and the filter screen close to the front side of the filter box can be utilized in time; therefore, the filter screen close to the rear side of the filter box can be drawn out and replaced within the vacated time, and the paper pulp impurity removal efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pulp raw material processing, and in particular relates to impurity removal equipment for pulp raw materials. Background Art

[0002] Pulp raw material impurity removal equipment is used to separate and remove impurities and foreign matter in pulp raw materials. It usually mainly filters and separates impurities and foreign matter in pulp through a filter screen, but the pulp raw material impurity removal equipment in the prior art has the following disadvantages during use:

[0003] On the one hand, although a single filter structure is used to filter and remove impurities from the pulp, when the filter structure is replaced, the equipment that inputs the pulp needs to be shut down before the filter structure can be replaced, resulting in a long replacement time and affecting the impurity removal efficiency;

[0004] Secondly, the filter structure is generally fixed in the impurity removal device by bolts or screws, but it is very inconvenient to dismantle and replace the filter structure. Therefore, a pulp raw material impurity removal device is needed. Utility Model Content

[0005] The utility model aims to provide a pulp raw material impurity removal device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulp raw material impurity removal device, comprising an impurity removal box, a partition is fixedly connected to the middle of the inner wall of the impurity removal box, two symmetrically arranged limit plates are fixedly connected to the two side walls of the partition, a filter screen is movably inserted between the two limit plates on the same side, the two filter screens are movably inserted in the insertion channels arranged on the two side walls of the impurity removal box, the tops of the filter screens are connected to the outer wall of the impurity removal box by a clamping structure, discharge pipes are fixed at the two symmetrically arranged discharge ports arranged on the left side wall of the impurity removal box, an inverted L-shaped feed pipe is fixedly connected to the upper part of the right side wall of the impurity removal box through an L-shaped support plate, and a rotating pipe is rotatably sleeved on the bottom end of the inverted L-shaped feed pipe;

[0007] It also includes a rotation switching structure, which is installed on the L-shaped support plate and connected to the rotation tube. The rotation switching structure can switch the angular direction of the rotation tube.

[0008] Preferably, the bottom surface height of the rotating tube is greater than the top surface height of the partition.

[0009] Preferably, the rotation switching structure includes a gear fixed to the outside of the rotating tube, and the outer side of the gear is meshingly connected with an L-shaped toothed plate.

[0010] Preferably, an electric telescopic rod is fixedly connected to the outer side wall of the L-shaped support plate away from the debris removal box, and the telescopic end of the electric telescopic rod movably passes through the L-shaped support plate and is fixedly connected to the L-shaped tooth plate.

[0011] Preferably, the clamping structure includes two symmetrically arranged sockets provided on the top edge of the filter screen, and pillars are movably inserted in the two sockets. The top ends of the two pillars are fixedly connected to the same moving rod, which slides on the outside of the debris removal box. The moving rod is slidably sleeved on the outsides of two symmetrically arranged guide seats, the cross-sections of the guide seats are convex structures, the guide seats are fixedly connected to the outsides of the debris removal box, and the top ends of the moving rods are connected to two symmetrically arranged springs, and the top ends of the springs are fixedly connected to the top ends of the guide seats through connecting blocks.

[0012] Preferably, an eccentric wheel is movably overlapped at the bottom of the movable rod, and the edge of the eccentric wheel is rotatably connected to the outer side of the debris removal box through a rotating shaft.

[0013] Compared with the prior art, the pulp raw material impurity removal equipment provided by the utility model has at least the following beneficial effects:

[0014] (1) By setting the rotating switching structure, the L-shaped tooth plate is pulled by the electric telescopic rod to move, and the L-shaped tooth plate is meshed with the gear, so that the bottom end of the rotating tube can be moved to the top of the filter screen on the front side. At this time, the filter screen near the front side of the filter box can be used in time, so the filter screen near the rear side of the filter box can be pulled out and replaced during the free time, which greatly improves the efficiency of pulp impurity removal;

[0015] (2) Through the setting of the clamping structure, when the filter is replaced, the eccentric wheel connected to the rotating shaft can be manually rotated, so that the moving rod is pushed up and the moving rod compresses the two springs. The bottom ends of the other two plug posts are respectively separated from the sockets, so that the filter can be easily pulled out and replaced, thereby achieving the purpose of facilitating the replacement of the filter and being easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the utility model after the filter screen is pulled out;

[0018] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0019] Figure 4 It is a schematic diagram of the enlarged structure of point B of the utility model.

[0020] In the figure: 1. impurity removal box; 2. partition; 21. limit plate; 3. inverted L-shaped feed pipe; 31. L-shaped support plate; 32. rotating pipe; 4. rotating switching structure; 41. gear; 42. L-shaped gear plate; 43. electric telescopic rod; 5. filter screen; 6. clamping structure; 61. plug column; 62. moving rod; 63. guide seat; 64. connecting block; 65. socket; 66. spring; 67. eccentric wheel; 68. rotating shaft; 7. discharge pipe. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0023] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0024] Example

[0025] On the one hand, although a single filter structure is used to filter and remove impurities from the pulp, when the filter structure is replaced, the equipment that inputs the pulp needs to be shut down before the filter structure can be replaced, resulting in a long replacement time and affecting the impurity removal efficiency;

[0026] Secondly, the filter structure is generally fixed in the impurity removal equipment by bolts or screws, but it is very inconvenient to dismantle and replace the filter structure;

[0027] To do this, see Figure 1-4 The utility model provides a pulp raw material impurity removal device, comprising:

[0028] A debris removal box 1, a partition 2 is fixedly connected to the middle of the inner wall of the debris removal box 1, two symmetrically arranged limit plates 21 are fixedly connected to the two side walls of the partition 2, a filter screen 5 is movably inserted between the two limit plates 21 on the same side, the two filter screens 5 are movably inserted in the insertion channels arranged on the two side walls of the debris removal box 1, the tops of the filter screens 5 are connected to the outer wall of the debris removal box 1 with a clamping structure 6, and two symmetrically arranged discharge ports arranged on the left side wall of the debris removal box 1 are fixed with discharge pipes 7, an inverted L-shaped feed pipe 3 is fixedly connected to the upper part of the right side wall of the debris removal box 1 through an L-shaped support plate 31, and a rotating tube 32 is rotatably sleeved on the bottom end of the inverted L-shaped feed pipe 3;

[0029] It also includes a rotation switching structure 4 which is installed on the L-shaped support plate 31 and connected to the rotation tube 32 . The rotation switching structure 4 can switch the angular direction of the rotation tube 32 .

[0030] Further as Figure 1-4 As shown, the bottom end surface height of the rotating tube 32 is greater than the top end surface height of the partition plate 2.

[0031] Such an arrangement can ensure that the rotation of the rotating tube 32 is not hindered.

[0032] Further as Figure 1-4 As shown, in order to facilitate the adjustment of the bottom end direction angle of the rotating tube 32, a rotating switching structure 4 is provided, including a gear 41 fixedly connected to the outside of the rotating tube 32, and an L-shaped tooth plate 42 is meshedly connected to the outside of the gear 41. An electric telescopic rod 43 is fixedly connected to the outer wall of the L-shaped support plate 31 away from the debris removal box 1, and the telescopic end of the electric telescopic rod 43 movably passes through the L-shaped support plate 31 and is fixedly connected to the L-shaped tooth plate 42.

[0033] Further as Figure 1-4 As shown, in order to facilitate the extraction and replacement of the filter 5, a clamping structure 6 is provided, including two symmetrically arranged sockets 65 provided on the top edge of the filter 5, and a plug column 61 is movably inserted in the two sockets 65. The top ends of the two plug columns 61 are fixedly connected to the same moving rod 62, and the moving rod 62 slides on the outside of the dust removal box 1. The moving rod 62 is slidably sleeved on the outside of two symmetrically arranged guide seats 63. The cross-section of the guide seats 63 is a convex structure, and the guide seats 63 are fixedly connected to the outside of the dust removal box 1. The top end of the moving rod 62 is connected to two symmetrically arranged springs 66, and the top ends of the springs 66 are fixedly connected to the top ends of the guide seats 63 through connecting blocks 64. The bottom of the moving rod 62 is movably overlapped with an eccentric wheel 67, and the edge of the eccentric wheel 67 is rotatably connected to the outside of the dust removal box 1 through a rotating shaft 68.

[0034] A handle is fixedly connected to one outer end of the rotating shaft 68 to facilitate the rotation of the eccentric wheel 67 .

[0035] Embodiment: When the pulp raw material impurity removal device is used, the pulp is transported through the external conveying device connected to the inverted L-shaped feed pipe 3, and the pulp falls on the filter screen 5 near the rear side wall of the filter box for filtering and impurity removal. After a period of use, when the filter screen 5 needs to be replaced, the L-shaped tooth plate 42 can be pulled to move by the electric telescopic rod 43, and the L-shaped tooth plate 42 is meshed with the gear 41, so that the bottom end of the rotating tube 32 can be moved to the top of the filter screen 5 on the front side. At this time, the filter screen 5 near the front side of the filter box can be replaced. can be used in time, so the free time can be used to pull out and replace the filter screen 5 near the back side of the filter box, which greatly improves the efficiency of pulp impurity removal. Secondly, when replacing, the eccentric wheel 67 connected to the rotating shaft 68 can be manually rotated, so that the moving rod 62 is pushed up and the moving rod 62 compresses the two springs 66, and the bottom ends of the other two plug posts 61 are respectively separated from the sockets 65, so that the filter screen 5 can be easily pulled out and replaced, thereby achieving the purpose of facilitating the replacement of the filter screen 5 and being easy to use.

[0036] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulp raw material impurity removal device, comprising an impurity removal box (1), characterized in that: A partition (2) is fixedly connected to the middle of the inner wall of the impurity removal box (1), and two symmetrically arranged limiting plates (21) are fixedly connected to the two side walls of the partition (2), and a filter screen (5) is movably inserted between the two limiting plates (21) on the same side, and the two filter screens (5) are movably inserted into the insertion channels arranged on the two side walls of the impurity removal box (1), and a clamping structure (6) is connected between the top of the filter screen (5) and the outer wall of the impurity removal box (1), and discharge pipes (7) are fixed at two symmetrically arranged discharge ports arranged on the left side wall of the impurity removal box (1), and an inverted L-shaped feed pipe (3) is fixedly connected to the upper part of the right side wall of the impurity removal box (1) through an L-shaped support plate (31), and a rotating pipe (32) is rotatably sleeved on the bottom end of the inverted L-shaped feed pipe (3); It also comprises a rotation switching structure (4), which is mounted on the L-shaped support plate (31) and connected to the rotation tube (32). The rotation switching structure (4) can switch the angular direction of the rotation tube (32).

2. The pulp raw material impurity removal device according to claim 1, characterized in that: The bottom surface height of the rotating tube (32) is greater than the top surface height of the partition plate (2).

3. The pulp raw material impurity removal device according to claim 1, characterized in that: The rotation switching structure (4) comprises a gear (41) fixedly connected to the outside of the rotating tube (32), and the outside of the gear (41) is meshedly connected with an L-shaped toothed plate (42).

4. The pulp raw material impurity removal device according to claim 3, characterized in that: An electric telescopic rod (43) is fixedly connected to the outer side wall of the L-shaped support plate (31) away from the impurity removal box (1), and the telescopic end of the electric telescopic rod (43) movably passes through the L-shaped support plate (31) and is fixedly connected to the L-shaped toothed plate (42).

5. The pulp raw material impurity removal device according to claim 1, characterized in that: The clamping structure (6) comprises two symmetrically arranged insertion holes (65) arranged at the top edge of the filter screen (5), and the two insertion holes (65) are movably inserted with an insertion column (61), and the top ends of the two insertion columns (61) are fixedly connected to the same moving rod (62), and the moving rod (62) slides on the outside of the dust removal box (1), and the moving rod (62) is slidably sleeved on the outside of two symmetrically arranged guide seats (63), and the cross-sections of the guide seats (63) are convex structures, and the guide seats (63) are fixedly connected to the outside of the dust removal box (1), and the top ends of the moving rod (62) are connected to two symmetrically arranged springs (66), and the top ends of the springs (66) are fixedly connected to the top ends of the guide seats (63) through connecting blocks (64).

6. The pulp raw material impurity removal device according to claim 5, characterized in that: An eccentric wheel (67) is movably overlapped at the bottom of the moving rod (62), and the edge of the eccentric wheel (67) is rotatably connected to the outer side of the debris removal box (1) via a rotating shaft (68).

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