Corrugated board production dust recovery device

Abstract

The invention relates to the technical field of dust recycling, and discloses a corrugated board production dust recycling device which comprises a collecting box, a mounting groove, a drawer, an adsorption pipe and a negative pressure pump mounted at one end of the adsorption pipe, a through hole is formed in the bottom of the adsorption pipe, one end of the through hole communicates with the mounting groove, and a filtering mechanism is mounted at an inlet of the adsorption pipe; the filtering mechanism comprises a first filter screen which is detachably connected to the inlet of the adsorption pipe through a bolt and a first cleaning brush which is propped against the outer side of the first filter screen; a transverse plate is fixedly connected to the top of the adsorption pipe, a first guide rod is slidably connected to the transverse plate in a penetrating mode, the bottom of the first guide rod is fixedly connected to the top of the first cleaning brush, a first horizontal plate is fixedly connected to the top of the first guide rod, a first spring is fixedly connected to the bottom of the first horizontal plate, and the end, away from the first horizontal plate, of the first spring is fixedly connected to the outer side wall of the adsorption pipe; the filtering mechanism further comprises a driving assembly used for driving the first cleaning brush to move. According to the invention, the inlet of the adsorption tube can be conveniently filtered.

Description

Technical Field

[0001] The present application relates to the technical field of dust recovery, and in particular to a dust recovery device for corrugated cardboard production. Background Art

[0002] At present, corrugated cardboard, also known as corrugated cardboard, is made of at least one layer of corrugated paper and one layer of boxboard. It has good elasticity and extensibility and is mainly used to make cartons, the sandwich of cartons and other packaging materials for fragile goods. Corrugated cardboard is mainly made of traditional straw pulp and waste paper through pulping to make raw cardboard similar to yellow cardboard, which is then machined and rolled into a corrugated shape, and then bonded to the boxboard with adhesives such as sodium silicate on its surface. Corrugated cardboard will generate dust during production, which needs to be collected by dust recovery equipment and then reused later.

[0003] The dust recovery device for corrugated cardboard production in the prior art includes a collection box, a mounting groove opened on one side of the collection box, a drawer sealed and installed in the mounting groove, an adsorption tube installed on the top of the collection box and connected to the drawer, and a negative pressure pump installed at one end of the adsorption tube; the negative pressure pump is used to generate suction in the adsorption tube.

[0004] However, the above recovery device is not convenient for filtering the inlet of the adsorption tube, so some relatively large debris can easily enter the adsorption tube from the inlet of the adsorption tube, thereby easily causing blockage of the adsorption tube. Summary of the invention

[0005] The present application provides a dust recovery device for corrugated cardboard production, which is convenient for filtering the inlet of the adsorption tube, and adopts the following technical solution:

[0006] A dust recovery device for corrugated cardboard production comprises a collection box, a mounting groove opened on one side of the collection box, a drawer sealed and installed in the mounting groove, an adsorption tube installed on the top of the collection box and connected with the drawer, and a negative pressure pump installed at one end of the adsorption tube, a through hole is opened at the bottom of the adsorption tube, one end of the through hole is connected with the mounting groove, a filtering mechanism is installed at the inlet of the adsorption tube, the filtering mechanism comprises a first filter screen detachably connected to the inlet of the adsorption tube by bolts and a first cleaning brush abutting against the outer side of the first filter screen; a transverse plate is fixedly connected to the top of the adsorption tube, a first guide rod is slidably connected through the transverse plate, the bottom of the first guide rod is fixedly connected to the top of the first cleaning brush, the top of the first guide rod is fixedly connected to the first horizontal plate, the bottom of the first horizontal plate is fixedly connected to the first spring, and one end of the first spring away from the first horizontal plate is fixedly connected to the outer wall of the adsorption tube; the filtering mechanism also includes a driving component for driving the first cleaning brush to move.

[0007] By adopting the above technical solution, the first filter screen is set up to facilitate filtering the inlet of the adsorption tube; in addition, when the first filter screen needs to be cleaned, the first cleaning brush is first driven downward by the driving assembly, and the first cleaning brush can clean the first filter screen by moving downward; in summary, the set filtering mechanism is convenient for filtering the inlet of the adsorption tube on the one hand, and for cleaning the first filter screen on the other hand.

[0008] Optionally, the driving assembly includes brackets fixed to both sides of the bottom of the adsorption tube, collection boxes rotatably connected to the brackets on both sides, a connecting rod hinged to the top of the collection box, and a connecting rod hinged to the end of the connecting rod away from the collection box; the end of the connecting rod away from the connecting rod is fixed to the bottom of the first cleaning brush; the side wall of the collection box is installed with a driving assembly for driving the collection box to rotate.

[0009] The provided collection box is convenient for collecting objects cleaned from the first filter by the first cleaning brush; when the first cleaning brush needs to be driven to move downward, the collection box is first driven to rotate by the driving assembly, and at this time, the collection box drives the connecting rod to move downward under the action of the connecting rod, and the downward movement of the connecting rod can drive the first cleaning brush to move downward; in summary, by adopting the above technical solution, it is convenient to drive the first cleaning brush to move downward.

[0010] The cam is connected to the outer wall of the collecting box by a spring, and the cam is connected to the outer wall of the collecting box by a spring.

[0011] By adopting the above technical solution, when the material in the drawer needs to be cleaned, the sliding sleeve is first driven to move outside the installation groove through the driving component, and the movement of the sliding sleeve outside the installation groove drives the moving plate to move outside the installation groove, and the movement of the moving plate outside the installation groove drives the drawer to move outside the installation groove, and then the elastic pushing component drives the pull plate to move, and the movement of the pull plate drives the pull rope to move, and the movement of the pull rope can drive the collection box to flip over, and at this time the collection box dumps the material inside it into the drawer; in summary, the set driving and rotating component is convenient for driving the collection box to flip over.

[0012] Optionally, the driving assembly includes a driving motor installed at one end of the horizontal slot, a lead screw fixed to the output shaft of the driving motor, and a third guide rod fixed to the inner wall of the horizontal slot; the sliding sleeve is threadedly connected to the lead screw and slidably connected to the third guide rod.

[0013] By adopting the above technical solution, when it is necessary to drive the sleeve to move, the drive motor is started first. At this time, the output shaft of the drive motor drives the lead screw to rotate, and the rotation of the lead screw can drive the sleeve to move. In summary, the drive assembly is set to facilitate driving the sleeve to move.

[0014] Optionally, the elastic pushing assembly includes a fixed frame fixed to the bottom of the drawer, a fourth guide rod slidably connected to the fixed frame, a second horizontal plate fixed to the bottom of the fourth guide rod, a push plate fixed to the top of the fourth guide rod, and a third spring fixed to the top of the second horizontal plate; one end of the third spring away from the second horizontal plate is fixed to the inner side of the top of the fixed frame; a first inclined surface is provided on the side of the push plate away from the pull plate, and the first inclined surface matches the top wall of the mounting groove; the side of the push plate away from the first inclined surface can abut against the side of the pull plate close to the collection box.

[0015] By adopting the above technical solution, when the drawer enters the installation groove with the moving plate, the push plate moves downward under the action of the first inclined surface, and the downward movement of the push plate drives the second horizontal plate to move downward, and the third spring is in a stretched state; when the drawer moves out of the installation groove with the moving plate, the push plate is reset under the action of the third spring, and then the push plate can drive the pull plate to move; in summary, the elastic pushing component is set to facilitate driving the pull plate to move.

[0016] Optionally, a plug plate is fixedly connected to the bottom of the drawer, a slot is provided on the top of the movable plate, the plug plate is plugged into the slot, a fixing component for fixing the plug plate is installed in the slot; a handle is fixedly connected to the inner wall of the drawer.

[0017] When the drawer needs to be installed, first drive the drawer to move by the handle so that the plug-in board is inserted into the slot, and then fix the plug-in board by the fixing assembly, so that the drawer can be installed; when the drawer needs to be disassembled, the drawer can be directly pulled out by the handle; in summary, by adopting the above technical solution, it is convenient to disassemble and assemble the drawer.

[0018] Optionally, the fixing assembly includes a fixing plate slidably connected to the inner wall of the slot and a fixing spring fixed to one side of the fixing plate; a second inclined surface is provided on a side of the fixing plate close to the plug plate, and the second inclined surface matches one side of the plug plate; one end of the fixing spring away from the fixing plate is fixed to the inner wall of one end of the slot.

[0019] By adopting the above technical solution, when the plug-in board is inserted into the slot, the plug-in board drives the fixed plate to move under the action of the second inclined surface, and the fixed plate moves to press the fixed spring; when the plug-in board is inserted into the slot, the fixed plate can fix the plug-in board under the action of the fixed spring; in summary, the set fixing component is convenient for fixing the plug-in board.

[0020] Optionally, a second filter is installed on a side of the through hole away from the first filter by bolts, the mesh number of the second filter is much larger than the mesh number of the first filter, and a chamfered surface is provided on a side of the through hole close to the first filter.

[0021] By adopting the above technical solution, the second filter screen and the chamfered surface are provided, which facilitates the introduction of materials into the drawer.

[0022] Optionally, a cleaning mechanism for cleaning the second filter screen is installed on the inner wall of the through hole.

[0023] By adopting the above technical solution, the cleaning mechanism is provided, which facilitates the cleaning of the second filter.

[0024] Optionally, the cleaning mechanism includes a give-way groove opened on one side of the through hole, a fifth guide rod fixed to the inner wall of the give-way groove, a cleaning frame slidably connected to the fifth guide rod, and a second cleaning brush fixed to the top of the cleaning frame; the second cleaning brush abuts against one side of the second filter screen; elastic sealing strips and fourth springs are respectively fixed on both sides of the cleaning frame; each of the elastic sealing strips and the fourth spring is fixed to the inner wall of the give-way groove at one end away from the cleaning frame; a driving plate is fixed to the top of the movable plate, a connecting plate is fixed to the bottom of the cleaning frame, and third inclined surfaces are respectively provided on the opposite inner sides of the connecting plate and the driving plate, and the two third inclined surfaces match each other.

[0025] By adopting the above technical solution, when the movable plate drives the drawer into the installation slot, the movable plate drives the driving plate to move into the installation slot, and then the driving plate drives the connecting plate to move upward under the action of the third inclined surface, and the connecting plate moves upward to drive the cleaning frame to move upward, and the cleaning frame moves upward to drive the second cleaning brush to move upward, so that the second cleaning brush can be in the initial position; when the movable plate drives the drawer out of the installation slot, the cleaning frame moves downward under the action of the fourth spring, and the cleaning frame moves downward to drive the second cleaning brush to move downward, thereby cleaning the second filter screen; in summary, the cleaning mechanism is provided to facilitate the cleaning of the second filter screen.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The first filter screen is provided to facilitate filtering the inlet of the adsorption tube; in addition, when the first filter screen needs to be cleaned, the first cleaning brush is first driven downward by the driving assembly, and the first cleaning brush can clean the first filter screen by moving downward; in summary, the provided filtering mechanism is convenient for filtering the inlet of the adsorption tube on the one hand, and convenient for cleaning the first filter screen on the other hand;

[0028] 2. When the materials in the drawer need to be cleaned, the sliding sleeve is first driven to move out of the installation slot by the driving assembly, and the movement of the sliding sleeve to the outside of the installation slot drives the moving plate to move out of the installation slot, and the movement of the moving plate to the outside of the installation slot drives the drawer to move out of the installation slot, and then the elastic pushing assembly drives the pull plate to move, and the movement of the pull plate drives the pull rope to move, and the movement of the pull rope can drive the collection box to flip, and at this time the collection box dumps the materials inside it into the drawer; in summary, the driving assembly is set to facilitate driving the collection box to flip;

[0029] 3. When the movable plate drives the drawer into the installation slot, the movable plate drives the driving plate to move into the installation slot, and then the driving plate drives the connecting plate to move upward under the action of the third inclined surface, and the connecting plate moves upward to drive the cleaning frame to move upward, and the cleaning frame moves upward to drive the second cleaning brush to move upward, so that the second cleaning brush can be in the initial position; when the movable plate drives the drawer out of the installation slot, the cleaning frame moves downward under the action of the fourth spring, and the cleaning frame moves downward to drive the second cleaning brush to move downward, so that the second filter can be cleaned; in summary, the cleaning mechanism is set to facilitate the cleaning of the second filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0031] Figure 2 It is a structural schematic diagram highlighting the filtering mechanism in the embodiment of the present application.

[0032] Figure 3 It is a structural schematic diagram highlighting the driving component in the embodiment of the present application.

[0033] Figure 4 It is a structural schematic diagram highlighting the elastic pushing component and the fixing component in the embodiment of the present application.

[0034] Figure 5 It is a structural schematic diagram highlighting the cleaning mechanism in the embodiment of the present application.

[0035] Figure numerals: 1, collection box; 11, installation groove; 111, horizontal groove; 112, sink groove; 12, drawer; 13, sliding sleeve; 14, movable plate; 141, slot; 15, sealing plate; 16, sealing pad; 17, plug plate; 2, adsorption tube; 21, negative pressure pump; 22, through hole; 221, chamfered surface; 23, second filter screen; 3, filtering mechanism; 31, first filter screen; 32, first cleaning brush; 33, horizontal plate; 34, first guide rod; 35, first horizontal plate; 36, first spring; 4, driving assembly; 41, bracket; 42, collection box; 43, connecting rod; 44, connecting rod; 5, driving assembly; 51, guide wheel; 52, sleeve ; 53, second guide rod; 54, pull plate; 55, pull rope; 56, second spring; 6, drive assembly; 61, drive motor; 62, lead screw; 63, third guide rod; 7, elastic push assembly; 71, fixed frame; 72, fourth guide rod; 73, second horizontal plate; 74, push plate; 741, first inclined plane; 75, third spring; 8, fixed assembly; 81, fixed plate; 811, second inclined plane; 82, fixed spring; 9, cleaning mechanism; 91, give way groove; 92, fifth guide rod; 93, cleaning frame; 94, second cleaning brush; 95, elastic sealing strip; 96, fourth spring; 97, drive plate; 98, connecting plate; 99, third inclined plane. DETAILED DESCRIPTION

[0036] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings.

[0037] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0038] The present application discloses a dust recovery device for corrugated cardboard production, referring to Figure 1 and Figure 2 , including a collecting box 1, a mounting groove 11 opened on one side of the collecting box 1, a drawer 12 sealed and installed in the mounting groove 11, an adsorption tube 2 installed on the top of the collecting box 1 and connected with the drawer 12, and a negative pressure pump 21 installed at one end of the adsorption tube 2, a through hole 22 is opened at the bottom of the adsorption tube 2, one end of the through hole 22 is connected with the mounting groove 11, and a filtering mechanism 3 is installed at the inlet of the adsorption tube 2.

[0039] Reference Figure 1 and Figure 2 The filtering mechanism 3 includes a first filter screen 31 detachably connected to the inlet of the adsorption tube 2 by bolts and a first cleaning brush 32 abutting against the outer side of the first filter screen 31; a horizontal plate 33 is horizontally fixed to the top of the adsorption tube 2, a first guide rod 34 is vertically penetrated and slidably connected to the upper edge of the horizontal plate 33, the bottom of the first guide rod 34 is fixed to the top of the first cleaning brush 32, a first horizontal plate 35 is fixed to the top of the first guide rod 34, a first spring 36 is vertically fixed to the bottom of the first horizontal plate 35, and one end of the first spring 36 away from the first horizontal plate 35 is fixed to the outer wall of the adsorption tube 2; the filtering mechanism 3 also includes a driving component 4 for driving the first cleaning brush 32 to move. The first filter screen 31 is provided to facilitate filtering the inlet of the adsorption tube 2; in addition, when the first filter screen 31 needs to be cleaned, the first cleaning brush 32 is first driven downward by the driving component 4, and the first cleaning brush 32 can clean the first filter screen 31 by moving downward; in summary, the provided filtering mechanism 3 is convenient for filtering the inlet of the adsorption tube 2 on the one hand, and for cleaning the first filter screen 31 on the other hand.

[0040] Reference Figure 1 and Figure 2 The driving assembly 4 includes a bracket 41 fixed to both sides of the bottom of the adsorption tube 2, a collection box 42 rotatably connected to the bracket 41 on both sides through bearings, a connecting rod 43 hinged to the top of the collection box 42, and a connecting rod 44 hinged to the end of the connecting rod 43 away from the collection box 42; the end of the connecting rod 44 away from the connecting rod 43 is vertically fixed to the bottom of the first cleaning brush 32; the side wall of the collection box 1 is installed with a driving assembly 5 for driving the collection box 42 to rotate. The set collection box 42 is convenient for collecting the objects cleaned off the first filter screen 31 by the first cleaning brush 32; when it is necessary to drive the first cleaning brush 32 to move downward, the collection box 42 is first driven to rotate by the driving assembly 5, and at this time, the collection box 42 drives the connecting rod 44 to move downward under the action of the connecting rod 43, and the downward movement of the connecting rod 44 can drive the first cleaning brush 32 to move downward; in summary, by adopting the above technical solution, it is convenient to drive the first cleaning brush 32 to move downward.

[0041] Reference Figure 1 and Figure 2The driving assembly 5 includes a guide wheel 51 rotatably connected to the outer wall of the collection box 1 through a bearing and a sleeve 52 horizontally fixed to the outer wall of the collection box 1; a second guide rod 53 is slidably connected in the sleeve 52 along the horizontal direction, and a pull plate 54 is fixedly connected to the end of the second guide rod 53 away from the collection box 1, and a pull rope 55 is fixedly connected to the top of the pull plate 54. The end of the pull rope 55 away from the pull plate 54 passes around the guide wheel 51 and is connected to the end of the collection box 42 away from the collection box 1; a second spring 56 is horizontally fixed to one side of the pull plate 54, and the end of the second spring 56 away from the pull plate 54 is fixed to the outer wall of the collection box 1; the installation groove A horizontal groove 111 is provided at the bottom of the mounting groove 11, a sleeve 13 is connected in a horizontal sliding direction in the horizontal groove 111, and a driving component 6 for driving the sleeve 13 to move is installed in the horizontal groove 111; a moving plate 14 is fixedly connected to the top of the sleeve 13, a sealing plate 15 is fixedly connected to one side of the moving plate 14, a sinking groove 112 is provided on the outer wall of the mounting groove 11, the sealing plate 15 is inserted into the sinking groove 112, and the sealing plate 15 is sealed and connected to the sinking groove 112 through a sealing gasket 16; the drawer 12 is detachably installed on the top of the moving plate 14, and an elastic pushing component 7 for pushing the pull plate 54 to move is installed in the drawer 12. When the material in the drawer 12 needs to be cleaned, the sliding sleeve 13 is first driven to move out of the installation slot 11 through the driving component 6. The movement of the sliding sleeve 13 out of the installation slot 11 drives the moving plate 14 to move out of the installation slot 11. The movement of the moving plate 14 out of the installation slot 11 drives the drawer 12 to move out of the installation slot 11. Then the elastic pushing component 7 drives the pull plate 54 to move. The movement of the pull plate 54 drives the pull rope 55 to move. The movement of the pull rope 55 can drive the collection box 42 to flip over. At this time, the collection box 42 dumps the material inside it into the drawer 12. In summary, the driving component 5 is set to facilitate driving the collection box 42 to flip over.

[0042] Reference Figure 2 and Figure 3 The drive assembly 6 includes a drive motor 61 installed at one end of the horizontal slot 111, a lead screw 62 horizontally fixed to the output shaft of the drive motor 61, and a third guide rod 63 horizontally fixed to the inner wall of the horizontal slot 111; the sleeve 13 is threadedly connected to the lead screw 62 and is slidably connected to the third guide rod 63 along the horizontal direction. When the sleeve 13 needs to be driven to move, the drive motor 61 is started first, and the output shaft of the drive motor 61 drives the lead screw 62 to rotate, and the rotation of the lead screw 62 can drive the sleeve 13 to move; in summary, the drive assembly 6 is set to facilitate the movement of the sleeve 13.

[0043] Reference Figure 3 and Figure 4The elastic pushing assembly 7 includes a fixing frame 71 fixed to the bottom of the drawer 12, a fourth guide rod 72 vertically penetrating and slidably connected to the fixing frame 71, a second horizontal plate 73 horizontally fixed to the bottom of the fourth guide rod 72, a push plate 74 vertically fixed to the top of the fourth guide rod 72, and a third spring 75 vertically fixed to the top of the second horizontal plate 73; one end of the third spring 75 away from the second horizontal plate 73 is fixed to the inner side of the top of the fixing frame 71; a first inclined surface 741 is provided on the side of the push plate 74 away from the pull plate 54, and the first inclined surface 741 matches the top wall of the mounting groove 11; the side of the push plate 74 away from the first inclined surface 741 can abut against the side of the pull plate 54 close to the collection box 1. When the drawer 12 enters the installation groove 11 with the moving plate 14, the push plate 74 moves downward under the action of the first inclined surface 741, and the downward movement of the push plate 74 drives the second horizontal plate 73 to move downward. At this time, the third spring 75 is in a stretched state; when the drawer 12 moves out of the installation groove 11 with the moving plate 14, the push plate 74 is reset under the action of the third spring 75, and then the push plate 74 can drive the pull plate 54 to move; in summary, the elastic pushing component 7 is set to facilitate driving the pull plate 54 to move.

[0044] Reference Figure 3 and Figure 4 , a plug plate 17 is fixedly connected to the bottom of the drawer 12, a slot 141 is provided on the top of the movable plate 14, the plug plate 17 is plugged into the slot 141, a fixing assembly 8 for fixing the plug plate 17 is installed in the slot 141; a handle is fixedly connected to the inner wall of the drawer 12. When the drawer 12 needs to be installed, the drawer 12 is first driven by the handle to move so that the plug plate 17 is plugged into the slot 141, and then the plug plate 17 is fixed by the fixing assembly 8, so that the drawer 12 can be installed; when the drawer 12 needs to be disassembled, the drawer 12 can be directly pulled out by the handle; in summary, by adopting the above technical solution, the drawer 12 can be easily disassembled and assembled.

[0045] Reference Figure 3 and Figure 4 The fixing assembly 8 includes a fixing plate 81 that is slidably connected to the inner wall of the slot 141 in the horizontal direction and a fixing spring 82 that is fixedly connected to one side of the fixing plate 81 in the horizontal direction; a second inclined surface 811 is provided on the side of the fixing plate 81 close to the plug board 17, and the second inclined surface 811 matches one side of the plug board 17; an end of the fixing spring 82 that is away from the fixing plate 81 is fixedly connected to the inner wall of one end of the slot 141. When the plug board 17 is inserted into the slot 141, the plug board 17 drives the fixing plate 81 to move under the action of the second inclined surface 811, and the fixing plate 81 moves to press the fixing spring 82; when the plug board 17 is inserted into the slot 141, the fixing plate 81 can fix the plug board 17 under the action of the fixing spring 82; in summary, the fixing assembly 8 is provided to facilitate fixing the plug board 17.

[0046] Reference Figure 2 and Figure 5 A second filter 23 is installed on the side of the through hole 22 away from the first filter 31 by bolts. The mesh number of the second filter 23 is much larger than the mesh number of the first filter 31. A chamfered surface 221 is provided on the side of the through hole 22 close to the first filter 31. The second filter 23 and the chamfered surface 221 are provided to facilitate the introduction of materials into the drawer 12.

[0047] Reference Figure 2 and Figure 5 , a cleaning mechanism 9 for cleaning the second filter screen 23 is installed on the inner wall of the through hole 22, and the cleaning mechanism 9 includes a make way groove 91 opened on one side of the through hole 22, a fifth guide rod 92 vertically fixed to the inner wall of the make way groove 91, a cleaning frame 93 vertically slidably connected to the fifth guide rod 92, and a second cleaning brush 94 fixed to the top of the cleaning frame 93; the second cleaning brush 94 abuts against one side of the second filter screen 23; elastic sealing strips 95 and fourth springs 96 are vertically fixed to both sides of the cleaning frame 93; one end of each elastic sealing strip 95 and the fourth spring 96 away from the cleaning frame 93 is fixed to the inner wall of the make way groove 91; a driving plate 97 is fixed to the top of the movable plate 14, and a connecting plate 98 is fixed to the bottom of the cleaning frame 93, and third inclined surfaces 99 are respectively provided on the opposite inner sides of the connecting plate 98 and the driving plate 97, and the two third inclined surfaces 99 match each other. When the movable plate 14 drives the drawer 12 into the installation groove 11, the movable plate 14 drives the driving plate 97 to move into the installation groove 11, and then the driving plate 97 drives the connecting plate 98 to move upward under the action of the third inclined surface 99, and the connecting plate 98 moves upward to drive the cleaning frame 93 to move upward, and the cleaning frame 93 moves upward to drive the second cleaning brush 94 to move upward, so that the second cleaning brush 94 can be in the initial position; when the movable plate 14 drives the drawer 12 to move out of the installation groove 11, the cleaning frame 93 moves downward under the action of the fourth spring 96, and the cleaning frame 93 moves downward to drive the second cleaning brush 94 to move downward, so that the second filter 23 can be cleaned; in summary, the cleaning mechanism 9 is provided to facilitate the cleaning of the second filter 23.

[0048] Working principle: the first filter screen 31 is provided to facilitate filtering the inlet of the adsorption tube 2; in addition, when the first filter screen 31 needs to be cleaned, the drive motor 61 is started first, and the output shaft of the drive motor 61 drives the lead screw 62 to rotate, and the lead screw 62 rotates to drive the sliding sleeve 13 to move out of the installation groove 11, and the sliding sleeve 13 moves out of the installation groove 11 to drive the moving plate 14 to move out of the installation groove 11, and the moving plate 14 moves out of the installation groove 11 to drive the drawer 12 to move out of the installation groove 11, and then the push plate 74 is pushed by the fourth spring 96. The collecting box 42 is flipped over by driving the pulling plate 54 to move downward, and the collecting box 42 drives the connecting rod 44 to move downward under the action of the connecting rod 43. The connecting rod 44 moves downward to drive the first cleaning brush 32 to move downward. The first cleaning brush 32 moves downward to clean the first filter screen 31. In summary, the filtering mechanism 3 is convenient for filtering the inlet of the adsorption tube 2 on the one hand, and for cleaning the first filter screen 31 on the other hand.

[0049] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A dust recovery device for corrugated cardboard production, comprising a collection box (1), a mounting groove (11) provided on one side of the collection box (1), a drawer (12) sealed and installed in the mounting groove (11), an adsorption tube (2) installed on the top of the collection box (1) and connected to the drawer (12), and a negative pressure pump (21) installed at one end of the adsorption tube (2), wherein a through hole (22) is provided at the bottom of the adsorption tube (2), and one end of the through hole (22) is connected to the mounting groove (11), characterized in that: The inlet of the adsorption tube (2) is provided with a filter mechanism (3), the filter mechanism (3) comprising a first filter screen (31) detachably connected to the inlet of the adsorption tube (2) by means of bolts, and a first cleaning brush (32) abutting against the outer side of the first filter screen (31); a transverse plate (33) is fixedly connected to the top of the adsorption tube (2), a first guide rod (34) is slidably connected through the transverse plate (33), the bottom of the first guide rod (34) is fixedly connected to the top of the first cleaning brush (32), the top of the first guide rod (34) is fixedly connected to a first horizontal plate (35), the bottom of the first horizontal plate (35) is fixedly connected to a first spring (36), one end of the first spring (36) away from the first horizontal plate (35) is fixedly connected to the outer side wall of the adsorption tube (2); the filter mechanism (3) also comprises a driving assembly (4) for driving the first cleaning brush (32) to move.

2. A dust recovery device for corrugated cardboard production according to claim 1, characterized in that: The driving assembly (4) comprises a bracket (41) fixedly connected to both sides of the bottom of the adsorption tube (2), a collection box (42) rotatably connected to the bracket (41) on both sides, a connecting rod (43) hinged to the top of the collection box (42), and a connecting rod (44) hinged to one end of the connecting rod (43) away from the collection box (42); one end of the connecting rod (44) away from the connecting rod (43) is fixedly connected to the bottom of the first cleaning brush (32); and a driving assembly (5) for driving the collection box (42) to rotate is installed on the side wall of the collection box (1).

3. A dust recovery device for corrugated cardboard production according to claim 2, characterized in that: The driving assembly (5) comprises a guide wheel (51) rotatably connected to the outer wall of the collection box (1) and a sleeve (52) fixedly connected to the outer wall of the collection box (1); a second guide rod (53) is slidably connected in the sleeve (52), and the end of the second guide rod (53) away from the collection box (1) is fixedly connected to a pull plate (54), and the top of the pull plate (54) is fixedly connected to a pull rope (55), and the end of the pull rope (55) away from the pull plate (54) passes around the guide wheel (51) and is connected to the end of the collection box (42) away from the collection box (1); a second spring (56) is fixedly connected to one side of the pull plate (54), and the end of the second spring (56) away from the pull plate (54) is fixedly connected to the outer wall of the collection box (1); the bottom of the mounting groove (11) A horizontal groove (111) is provided on the part, a sliding sleeve (13) is slidably connected in the horizontal groove (111), and a driving assembly (6) for driving the sliding sleeve (13) to move is installed in the horizontal groove (111); a moving plate (14) is fixedly connected to the top of the sliding sleeve (13), a sealing plate (15) is fixedly connected to one side of the moving plate (14), a sink groove (112) is provided on the outer wall of the installation groove (11), the sealing plate (15) is plugged into the sink groove (112), and the sealing plate (15) is sealedly connected to the sink groove (112) via a sealing gasket (16); the drawer (12) is detachably installed on the top of the moving plate (14), and an elastic pushing assembly (7) for pushing the pull plate (54) to move is installed in the drawer (12).

4. A dust recovery device for corrugated cardboard production according to claim 3, characterized in that: The driving assembly (6) comprises a driving motor (61) mounted on one end of the horizontal groove (111), a lead screw (62) fixedly connected to the output shaft of the driving motor (61), and a third guide rod (63) fixedly connected to the inner wall of the horizontal groove (111); the sliding sleeve (13) is threadedly connected to the lead screw (62) and slidably connected to the third guide rod (63).

5. The dust recovery device for corrugated board production according to claim 3 is characterized in that: The elastic pushing assembly (7) comprises a fixing frame (71) fixed to the bottom of the drawer (12), a fourth guide rod (72) slidably connected to the fixing frame (71), a second horizontal plate (73) fixed to the bottom of the fourth guide rod (72), a push plate (74) fixed to the top of the fourth guide rod (72), and a third spring (75) fixed to the top of the second horizontal plate (73); one end of the third spring (75) away from the second horizontal plate (73) is fixed to the inner side of the top of the fixing frame (71); a first inclined surface (741) is provided on a side of the push plate (74) away from the pull plate (54), and the first inclined surface (741) matches the top wall of the mounting groove (11); a side of the push plate (74) away from the first inclined surface (741) can abut against a side of the pull plate (54) close to the collection box (1).

6. A dust recovery device for corrugated board production according to claim 3, characterized in that: The bottom of the drawer (12) is fixedly connected with an inserting plate (17); the top of the movable plate (14) is provided with a slot (141); the inserting plate (17) is inserted into the slot (141); a fixing component (8) for fixing the inserting plate (17) is installed in the slot (141); and a handle is fixedly connected to the inner wall of the drawer (12).

7. A dust recovery device for corrugated board production according to claim 6, characterized in that: The fixing assembly (8) comprises a fixing plate (81) slidably connected to the inner wall of the slot (141) and a fixing spring (82) fixed to one side of the fixing plate (81); a second inclined surface (811) is provided on a side of the fixing plate (81) close to the plug plate (17), and the second inclined surface (811) matches one side of the plug plate (17); an end of the fixing spring (82) away from the fixing plate (81) is fixed to the inner wall of one end of the slot (141).

8. The dust recovery device for corrugated board production according to claim 3, characterized in that: A second filter screen (23) is installed via bolts on a side of the through hole (22) away from the first filter screen (31); the mesh number of the second filter screen (23) is much greater than the mesh number of the first filter screen (31); and a chamfered surface (221) is provided on a side of the through hole (22) close to the first filter screen (31).

9. A dust recovery device for corrugated board production according to claim 8, characterized in that: The inner wall of the through hole (22) is provided with a cleaning mechanism (9) for cleaning the second filter screen (23).

10. A dust recovery device for corrugated cardboard production according to claim 9, characterized in that: The cleaning mechanism (9) comprises a clearance groove (91) provided on one side of the through hole (22), a fifth guide rod (92) fixedly connected to the inner wall of the clearance groove (91), a cleaning frame (93) slidably connected to the fifth guide rod (92), and a second cleaning brush (94) fixedly connected to the top of the cleaning frame (93); the second cleaning brush (94) abuts against one side of the second filter screen (23); elastic sealing strips (95) and a fourth cleaning brush (94) are respectively fixedly connected on both sides of the cleaning frame (93); spring (96); one end of each of the elastic sealing strips (95) and the fourth spring (96) away from the cleaning frame (93) is fixed to the inner wall of the clearance groove (91); the top of the movable plate (14) is fixedly connected to a driving plate (97), and the bottom of the cleaning frame (93) is fixedly connected to a connecting plate (98), and the connecting plate (98) and the driving plate (97) are respectively provided with third inclined surfaces (99) on the opposite inner sides, and the two third inclined surfaces (99) match each other.

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