Workshop energy-saving ventilation device for wooden furniture production

Abstract

The invention discloses a workshop energy-saving ventilation device for wooden furniture production, and relates to the technical field of ventilation devices, the workshop energy-saving ventilation device comprises an outer box, the bottom of the outer box is communicated with the outside, and the workshop energy-saving ventilation device further comprises a ventilation assembly and a ventilation assembly, and the filtering mechanism comprises a fixing frame fixedly connected to the interior of the outer box and a filtering piece connected to the inner side of the fixing frame, and a sliding groove and a rotating groove which communicate with each other are formed in the inner side of the fixing frame. By arranging the filtering mechanism and the cleaning mechanism, after dust is attached to the upper filter screen, the mounting disc can rotate by 180 degrees under the action of gravity, the positions of the upper filter screen and the lower filter screen are exchanged, at the moment, the cleaning mechanism achieves back flushing and vibration cleaning of the filter screens, the filter screens can be prevented from being excessively blocked or cleaned too early, the energy-saving effect is improved, and the service life of the filter screens is prolonged; the device adapts to different dust concentrations in different time periods of a wooden furniture production workshop.

Description

Technical Field

[0001] The present invention relates to the technical field of ventilation devices, in particular to an energy-saving ventilation device for a workshop used in the production of wooden furniture. Background Art

[0002] The core purpose of ventilation in wooden furniture production workshops is to forcibly reduce the concentration of combustible dust in the air to prevent it from reaching the lower explosion limit, while also exhausting volatile organic compounds and other toxic gases. Temperature and humidity are also adjusted to suppress dust suspension and microbial growth, thereby preventing the risks of dust explosions, fires, occupational diseases, and equipment corrosion, ensuring compliance with safety production standards. To ensure the normal operation of fans, they are typically used in conjunction with filters to ventilate the workshop. However, during continuous operation, dust easily adheres to the filters, affecting the fan's ventilation capacity and increasing its energy consumption.

[0003] In the existing technology, multiple filters are used to work alternately and combined with fan blades to drive a brush to clean the filter. In this method, it is necessary to rely on the start and stop of the fan and the structure is complex, which can easily lead to excessive use of a single filter and cannot adapt to the situation where the amount of dust inside the wooden furniture production workshop varies at different working hours; an airflow-driven knocking component is used to shake off the dust. In this method, the cleaning effect is limited by the airflow intensity and the scope of application is narrow, resulting in poor cleaning effect. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that it cannot adapt to the situation where the amount of dust inside a wooden furniture production workshop varies at different working hours, and to propose an energy-saving ventilation device for a wooden furniture production workshop.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: an energy-saving ventilation device for a wooden furniture production workshop includes an outer box, the bottom of which is connected to the outside, and further includes: The ventilation assembly is connected to the side of the outer box and allows air flow to pass through the interior of the outer box when the ventilation assembly is in operation; The filter mechanism includes a fixing frame fixedly connected to the interior of the outer box and a filter element connected to the inner side of the fixing frame. The inner side of the fixing frame is provided with a sliding groove and a rotating groove that are interconnected. The filter element slides in cooperation with the sliding groove and rotates in cooperation with the rotating groove. An elastic member is connected to the side of the fixing frame close to the filter element. The end of the elastic member away from the fixing frame can be rotatably pressed against the filter element. The fixing frame blocks the lower half of the filter element. The filter element is pushed by the airflow and moves from the sliding groove to the rotating groove. The cleaning mechanism has an input end connected to part of the air outlet end of the ventilation component and an output end being a backflush pipe. The fixed frame is connected to the rotating component, the backflush pipe is connected to the output end of the rotating component, and the air outlet end of the backflush pipe faces the lower half of the filter element.

[0006] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, the ventilation component includes a fixed shell connected to the side of the outer box, a fan is installed at one end of the fixed shell extending into the interior of the outer box, and a plurality of first air outlet pipes and one second air outlet pipe are connected at one end of the fixed shell away from the outer box. The exhaust end of the fan is connected to the interior of the outer box, and the air outlet end faces the plurality of air outlet pipes, and the middle part of the second air outlet pipe is connected to the cleaning mechanism.

[0007] In the above-mentioned energy-saving ventilation device for a wooden furniture production workshop, the fixing frame includes a mounting block fixedly connected to the interior of the outer box, a fixing ring fixedly connected to the inner side of the mounting block, a sliding groove and a rotating groove are both provided on the inner side of the fixing ring, a first fixing plate is fixedly connected to one end of the fixing ring close to the ventilation component, and a second slidable fixing plate is connected to the other end, an elastic member is connected to the first fixing plate, and the first fixing plate and the second fixing plate jointly shield the lower half of the filter element; A first spring is fixedly connected to one side of the second fixing plate away from the filter element, a connecting plate is fixedly connected between one end of the first spring away from the second fixing plate and the fixing ring, a sliding plate is fixedly connected to the top of the second fixing plate, and the second fixing plate fits the filter element.

[0008] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, the filter element includes a mounting plate that slides with the sliding groove and rotates with the rotating groove. Two placement cavities are provided through the mounting plate, and the two placement cavities are distributed in the vertical direction. A support frame is placed inside the placement cavity, and a limit plate is fixed on the side close to the ventilation component. The support frame and the limit plate are magnetically matched. A filter is fixedly connected to the inner side of the support frame, and a baffle is fixedly connected to the limit plate. Counterweights are fixedly connected to the opposite sides of the two baffles. The axis of the fixed ring is inclined, and the bottom end of the inclination faces the side of the ventilation component. The filter above is located on the airflow path inside the outer box.

[0009] In the above-mentioned energy-saving ventilation device for wooden furniture production workshop, the elastic part includes a spring telescopic rod fixedly connected to the first fixed plate, and the ball head at one end of the spring telescopic rod away from the first fixed plate is connected to a squeezing ball, which rests on the mounting plate.

[0010] In the above-mentioned energy-saving ventilation device for workshops used in the production of wooden furniture, a rotating ring is rotatably connected to the inner side of the fixed ring, and a yield groove is provided on the rotating ring for slidingly cooperating with the mounting plate. A locking block is slidably connected to the inner side of the fixed ring, and a second spring is fixedly connected between the locking block and the fixed ring. A locking groove is provided on the outer side of the rotating ring for engaging with the locking block, and both sides of the locking block are wedge-shaped. An infrared ranging sensor is installed on the inner side of the rotating ring, and the infrared ranging sensor is used to measure the position of the mounting plate.

[0011] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, the cleaning mechanism includes an electric valve installed on the second air outlet pipe, the air outlet end of the electric valve is connected to a connecting pipe, the end of the connecting pipe away from the electric valve passes through the fixed ring and is connected to a recoil pipe, and the end of the connecting pipe extending into the interior of the fixed ring is a hose, the rotating assembly includes a motor and a limit frame installed on the first fixed plate, the output end of the motor is coaxially fixedly connected to a gear, and the limit frame is rotatably connected to an inner gear ring, the inner side of the inner gear ring is engaged with the gear, and the outer side is fixedly connected to the top of the recoil pipe, the air outlet end of the recoil pipe faces the filter below, the infrared ranging sensor, the electric valve and the motor are all electrically connected to a controller, and the controller is installed on the outer box.

[0012] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, an electric telescopic rod is installed on the first fixed plate, a clamping part is installed on the output end of the electric telescopic rod, a transmission block is fixedly connected to the support frame, the clamping part is clamped and cooperated with the transmission block, the electric telescopic rod is electrically connected to the controller, and the electric telescopic rod passes through the interior of the inner gear ring.

[0013] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, through grooves are opened through the bottom of the fixed ring and the top and bottom of the rotating ring. In the initial state, the two shielding plates correspond one to one to block the two through grooves on the rotating ring. The bottom of the outer box is connected to a collection box, and the filter screen and the through grooves are both located above the collection box.

[0014] In the above-mentioned energy-saving ventilation device for wooden furniture production workshops, a one-way pipe is connected to the bottom of the recoil pipe, the end of the one-way pipe away from the recoil pipe passes through the fixed ring and is connected to a storage tank, a one-way valve is installed inside the one-way pipe, and the one-way conduction direction of the one-way valve is from the recoil pipe toward the storage tank, the storage tank is filled with water, the top of the storage tank is connected to a connecting shell, an air inlet is opened on the top of the collection box, and the end of the connecting shell away from the storage tank is connected to the air inlet.

[0015] Compared with the existing technology, the advantages of the present invention are: The present invention provides a filtering mechanism and a cleaning mechanism. The mounting plate of the filter element cooperates with the sliding groove and the rotating groove of the fixing frame, and the fixing ring is tilted. After the upper filter is attached with dust, the mounting plate can be rotated 180 degrees under the action of gravity, so that the upper and lower filter positions are interchangeable, and the filtering effect is continuously maintained. The cleaning mechanism monitors the position of the filter element through an infrared ranging sensor. When the filter rotates, the controller starts the electric valve, motor and electric telescopic rod to realize backwash and vibration cleaning of the filter, which can avoid excessive clogging of the filter or premature cleaning, improve energy saving effect and filter service life, reduce the increase in fan energy consumption caused by dust accumulated on the filter, and improve energy saving effect. There is no need to use a timed cleaning structure. It can automatically clean the filter when the dust amount on the filter reaches the cleaning standard. It can cope with the sudden increase in dust load, which may cause excessive clogging of the filter, ensure ventilation effect, and adapt to the different dust concentrations in wooden furniture production workshops at different time periods. At the same time, it cleans when the dust amount reaches the standard, avoiding ineffective damage to the filter caused by cleaning when the dust amount is small, and prolonging the service life of the filter.

[0016] The present invention sets a cleaning mechanism and utilizes part of the exhaust gas of the ventilation component to backwash the filter through the backwash pipe, without the need for an additional wind structure, thereby realizing exhaust gas recycling and being more energy-efficient; at the same time, the gas discharged from the backwash pipe is moistened by the storage tank and then enters the collection box, which can moisten the dust, promote dust sedimentation and accumulation, reduce dust escape, and also reduce the risk of dust explosion due to static electricity, thereby improving workshop safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention; Figure 2 This is a cross-sectional view of the outer box structure of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention; Figure 3 This is a schematic structural diagram of the fixed ring, first fixed plate and rotating ring of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention; Figure 4 This is a schematic diagram of the disassembled structure of the fixing ring and the second fixing plate of the energy-saving ventilation device for wooden furniture production workshops proposed by the present invention; Figure 5 This is a schematic diagram of the internal structure of the rotating ring of the energy-saving ventilation device for wooden furniture production workshops proposed by the present invention; Figure 6 This is a schematic structural diagram of the transmission block, electric telescopic rod and clamping part of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention; Figure 7 This is a schematic diagram of the disassembled structure of the mounting plate and the limiting plate of the energy-saving ventilation device for wooden furniture production workshops proposed by the present invention; Figure 8 This is a schematic diagram of the structure of the engaging block and the second spring of the energy-saving ventilation device for wooden furniture production workshops proposed by the present invention; Figure 9 This is a schematic diagram of the cleaning mechanism of the energy-saving ventilation device for wooden furniture production workshops proposed by the present invention; Figure 10 This is a schematic diagram of the recoil pipe structure of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention; Figure 11This is a cross-sectional view of the collecting box and connecting shell structure of the energy-saving ventilation device for wooden furniture production workshop proposed by the present invention.

[0018] Figure: 1, outer box; 2, collection box; 3, fixed shell; 4, first air outlet pipe; 5, second air outlet pipe; 6, electric valve; 7, fan; 8, mounting block; 9, fixing ring; 10, first fixing plate; 11, motor; 12, rotating ring; 13, second fixing plate; 14, sliding plate; 15, connecting plate; 16, first spring; 17, through slot; 18, sliding slot; 19, rotating slot; 20, clearance slot; 21, spring telescopic rod; 22, extrusion Ball; 23. Infrared ranging sensor; 24. Limiting frame; 25. Internal gear ring; 26. Gear; 27. Electric telescopic rod; 28. Clamping part; 29. ​​Mounting plate; 30. Support frame; 31. Filter; 32. Transmission block; 33. Limiting plate; 34. Counterweight; 35. Shielding plate; 36. Engaging block; 37. Second spring; 38. Connecting pipe; 39. One-way pipe; 40. Recoil pipe; 41. Connecting shell; 42. Air inlet; 43. Storage tank. DETAILED DESCRIPTION

[0019] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0020] Reference Figure 1 and Figure 2 , an energy-saving ventilation device for a wooden furniture production workshop, comprising an outer box 1, the bottom of which is connected to the outside, and further comprising: The ventilation component is connected to the side of the outer box 1, and allows air flow to pass through the interior of the outer box 1 when it is working.

[0021] The ventilation assembly includes a fixed shell 3 connected to the side of the outer box 1, and a fan 7 is installed on the end of the fixed shell 3 extending into the interior of the outer box 1. The end of the fixed shell 3 away from the outer box 1 is connected to multiple first air outlet pipes 4 and one second air outlet pipe 5. The exhaust end of the fan 7 is connected to the interior of the outer box 1, and the air outlet end is directed towards multiple air outlet pipes. The middle part of the second air outlet pipe 5 is connected to the cleaning mechanism.

[0022] Reference Figure 3-Figure 7 , filtering mechanism, the filtering mechanism includes a fixing frame fixedly connected to the inside of the outer box 1 and a filter element connected to the inner side of the fixing frame, the inner side of the fixing frame is provided with a sliding groove 18 and a rotating groove 19 which are interconnected, the filter element slides in cooperation with the sliding groove 18 and rotates in cooperation with the rotating groove 19, an elastic member is connected to the side of the fixing frame close to the filter element, and the end of the elastic member away from the fixing frame can be rotatably pressed against the filter element, the fixing frame blocks the lower half of the filter element, and the filter element is pushed by the airflow and moves from the sliding groove 18 to the rotating groove 19.

[0023] The plurality of sliding grooves 18 are centrally symmetrical with respect to the center of the rotating groove 19 , so that the filter element can be moved back from the rotating groove 19 to the sliding groove 18 after being rotated 180°.

[0024] The fixing frame includes a mounting block 8 fixedly connected to the inside of the outer box 1, a fixing ring 9 fixedly connected to the inner side of the mounting block 8, a sliding groove 18 and a rotating groove 19 are both opened on the inner side of the fixing ring 9, and the fixing ring 9 is fixedly connected to a first fixing plate 10 at one end close to the ventilation component, and a slidable second fixing plate 13 at the other end. The elastic member is connected to the first fixing plate 10, and the first fixing plate 10 and the second fixing plate 13 jointly cover the lower half of the filter element.

[0025] The fixing ring 9 is arranged to be inclined at 10 degrees, so that the filter element with dust adhering to the upper part can rotate naturally inside the rotating groove 19 under the action of gravity.

[0026] A first spring 16 is fixedly connected to the side of the second fixed plate 13 away from the filter element, a connecting plate 15 is fixedly connected between the end of the first spring 16 away from the second fixed plate 13 and the fixing ring 9, a sliding plate 14 is fixedly connected to the top of the second fixed plate 13, and the second fixed plate 13 fits the filter element.

[0027] The first spring 16 makes the second fixing plate 13 contact with the lower half of the filter element, preventing the exhaust gas from contacting the windward surface of the lower half of the filter element, and also preventing the exhaust gas from blowing into the subsequent collection box 2, thereby preventing the dust collected in the collection box 2 from escaping.

[0028] The filter element includes a mounting plate 29 that slides with the sliding groove 18 and rotates with the rotating groove 19. Two placement cavities are provided through the mounting plate 29, and the two placement cavities are distributed in the vertical direction. A support frame 30 is placed inside the placement cavity, and a limiting plate 33 is fixed on the side close to the ventilation component. The support frame 30 and the limiting plate 33 are magnetically matched. A filter screen 31 is fixedly connected to the inner side of the support frame 30, and a baffle plate 35 is fixedly connected to the limiting plate 33. The two baffle plates 35 are fixedly connected to the opposite sides of the two baffle plates 35 with counterweight blocks 34. The axis of the fixing ring 9 is tilted, and the tilted bottom end faces the side of the ventilation component. The upper filter screen 31 is located on the airflow path inside the outer box 1.

[0029] The elastic member includes a spring telescopic rod 21 fixedly connected to the first fixing plate 10 . The ball head at one end of the spring telescopic rod 21 away from the first fixing plate 10 is connected to a squeezing ball 22 , which abuts against the mounting plate 29 .

[0030] The squeezing ball 22 connected by the ball head maintains contact with the mounting plate 29 when the mounting plate 29 moves and rotates, so that under the elastic force of the spring telescopic rod 21, it has a tendency to push the mounting plate 29. After the filter element is rotated 180° and cleaned, it is convenient to push the filter element from the rotating groove 19 back into the sliding groove 18 to complete the reset.

[0031] Reference Figure 8 The inner side of the fixed ring 9 is rotatably connected to the rotating ring 12, and the rotating ring 12 is provided with a makeshift groove 20 that slides with the mounting plate 29. The inner side of the fixed ring 9 is slidably connected to the locking block 36. A second spring 37 is fixedly connected between the locking block 36 and the fixed ring 9. The outer side of the rotating ring 12 is provided with a locking groove that engages with the locking block 36, and both sides of the locking block 36 are wedge-shaped.

[0032] The contact between the rotating ring 12 and the engaging blocks 36 hinders the rotation of the mounting plate 29. The multiple engaging blocks 36 are also centrally symmetrical, which facilitates the rapid and stable mounting of the mounting plate 29 and ensures that the mounting plate 29 rotates accurately by 180°.

[0033] Reference Figure 3 and Figures 9-11 , cleaning mechanism, the input end of the cleaning mechanism is connected to part of the air outlet end of the ventilation component, and the output end is a backflush pipe 40. The rotating component is connected to the fixed frame, and the backflush pipe 40 is connected to the output end of the rotating component. The air outlet end of the backflush pipe 40 faces the lower half of the filter element.

[0034] An infrared distance measuring sensor 23 is installed inside the rotating ring 12 . The infrared distance measuring sensor 23 adopts existing technology and is used to measure the position of the installation plate 29 .

[0035] The cleaning mechanism includes an electric valve 6 installed on the second air outlet pipe 5. The air outlet end of the electric valve 6 is connected to a connecting pipe 38. The end of the connecting pipe 38 away from the electric valve 6 passes through the fixed ring 9 and is connected to the recoil pipe 40. The end of the connecting pipe 38 extending into the interior of the fixed ring 9 is a hose. The rotating assembly includes a motor 11 and a limit frame 24 installed on the first fixed plate 10. The output end of the motor 11 is coaxially fixedly connected to the gear 26. The limit frame 24 is rotatably connected to the inner gear ring 25. The inner side of the inner gear ring 25 is meshed with the gear 26, and the outer side is fixedly connected to the top of the recoil pipe 40. The air outlet end of the recoil pipe 40 faces the filter 31 below. The infrared ranging sensor 23, the electric valve 6 and the motor 11 are all electrically connected to the controller, and the controller is installed on the outer box 1.

[0036] The controller receives the signal from the infrared distance sensor 23, controls the working state of the electric valve 6 and the motor 11, and performs a backflushing cleaning operation on the filter screen 31 with dust attached thereto after the mounting plate 29 rotates.

[0037] An electric telescopic rod 27 is installed on the first fixed plate 10, and a clamping portion 28 is installed on the output end of the electric telescopic rod 27. A transmission block 32 is fixedly connected to the support frame 30. The clamping portion 28 is clamped and cooperated with the transmission block 32. The electric telescopic rod 27 is electrically connected to the controller, and the electric telescopic rod 27 passes through the interior of the inner gear ring 25.

[0038] The electric telescopic rod 27 and the clamping part 28 both adopt existing technology. The clamping part 28 is used to clamp and fix the transmission block 32. The electric telescopic rod 27 is controlled so that its output end can be quickly extended and retracted to facilitate vibration of the filter screen 31 and improve the cleaning effect.

[0039] The bottom of the fixed ring 9 and the top and bottom of the rotating ring 12 are all penetrated by a through groove 17. The two shielding plates 35 initially correspond to each other and block the two through grooves 17 on the rotating ring 12. The bottom of the outer box 1 is connected to the collection box 2, and the filter screen 31 and the through groove 17 are both located above the collection box 2.

[0040] In the initial state, the two sets of shielding plates 35 block the through-groove 17, which can prevent air from entering the through-groove 17 and blowing away the dust collected in the collection box 2. After the shielding plates 35 move, they move away from the through-groove 17, making it convenient to collect the cleaned dust through the through-groove 17, and the dust falls into the interior of the collection box 2 through the through-groove 17.

[0041] The bottom of the backwash pipe 40 is connected to a one-way pipe 39, and the end of the one-way pipe 39 away from the backwash pipe 40 passes through the fixing ring 9 and is connected to the storage tank 43. A one-way valve is installed inside the one-way pipe 39, and the one-way direction of the one-way valve is from the backwash pipe 40 toward the storage tank 43. The storage tank 43 is filled with water. The top of the storage tank 43 is connected to a connecting shell 41, and an air inlet hole 42 is opened on the top of the collection box 2. The end of the connecting shell 41 away from the storage tank 43 is connected to the air inlet hole 42.

[0042] When the present invention is in use, the fan 7 works to draw the exhaust gas and dust in the factory into the interior of the outer box 1 through the bottom of the outer box 1. The airflow passes through the fixing ring 9 and the fan 7 and is then discharged through the air outlet pipe on the fixed shell 3.

[0043] When the airflow passes through the interior of the fixed ring 9, it flows through the filter screen 31 above, intercepting and filtering the dust through the filter screen 31. The filtered air is transported to the required location through the second air outlet pipe 5 and multiple groups of first air outlet pipes 4, facilitating subsequent exhaust gas treatment and heat recovery.

[0044] In the initial state, the shielding plate 35 in the filter element blocks the through slot 17 , effectively preventing the airflow entering the outer box 1 from directly entering the interior of the collecting box 2 through the through slot 17 .

[0045] As the usage time increases, more and more dust is attached to the upper filter 31, and its ability to hinder the flow of air gradually increases. At this time, the force of the airflow blowing on the filter 31 also gradually increases. In this process, the filter 31 is pushed by the airflow, pushing the squeezing ball 22 through the mounting plate 29, compressing the spring telescopic rod 21, causing the mounting plate 29 to slide from the sliding groove 18 to the rotating groove 19, and the yield groove 20 on the rotating ring 12 can be used for the mounting plate 29 to slide.

[0046] Since the mounting plate 29 and the filter screen 31 are both tilted at 10°, and counterweights 34 are provided at the upper and lower ends of the limiting plate 33, dust is attached to the upper filter screen 31, so that the weight of the upper half of the filter element is greater than the weight of its lower half. Under the action of gravity, the mounting plate 29 naturally rotates 180° inside the rotating groove 19, so that the positions of the two sets of filter screens 31 are interchanged. At this time, the clean filter screen 31 at the bottom rotates to the upper air flow path, and can continue to filter, thereby maintaining the filtering effect of the filter element.

[0047] When the mounting plate 29 rotates, the rotating ring 12 is driven to rotate. The rotating ring 12 will first squeeze the engaging block 36 to compress the second spring 37. When the rotating ring 12 rotates 180°, the two sets of engaging blocks 36 can consume the energy of the rotating ring 12 during its swing, thereby reducing the number of swings of the rotating ring 12, allowing the rotating ring 12 to stabilize more quickly. Subsequently, the rotating ring 12 is limited by the engagement of the two sets of engaging blocks 36 with the card slot, preventing the rotating ring 12 from rotating again, making it convenient for the mounting plate 29 that has rotated 180° to accurately move into the interior of the sliding slot 18 again.

[0048] The position of the mounting plate 29 is regularly monitored by the infrared distance sensor 23. When the mounting plate 29 moves from the sliding slot 18 to the rotating slot 19, the distance between the mounting plate 29 and the infrared distance sensor 23 reaches a threshold, and the controller controls the cleaning mechanism to operate.

[0049] When the mounting plate 29 rotates inside the rotating groove 19, the filter screen 31 with dust attached rotates to the bottom near the backflush pipe 40, and the transmission block 32 on the filter element moves between the clamping claws of the clamping part 28. The transmission block 32 is clamped and fixed by the clamping part 28 to keep the filter screen 31 stable.

[0050] Subsequently, the electric valve 6 is controlled to change the connection state, so that the airflow entering the second air outlet pipe 5 enters the interior of the connecting pipe 38 and flows to the interior of the recoil pipe 40. Since the diameter of the connecting pipe 38 is small, the gas will be accelerated, and the high-speed gas will be blown from the recoil pipe 40 to the filter screen 31 with dust attached, thereby promoting the falling of dust attached to the filter screen 31.

[0051] At the same time, the motor 11 is controlled, and its output end drives the inner gear ring 25 to rotate back and forth through the gear 26. The inner gear ring 25 drives the recoil pipe 40 to rotate back and forth, expanding the recoil range of the recoil pipe 40 on the filter screen 31, improving the comprehensive cleaning effect of the attached dust filter screen 31, and completing the cleaning of the filter screen 31.

[0052] At the same time, the electric telescopic rod 27 is controlled, and its output end rapidly reciprocates and retracts, driving the transmission block 32, the support frame 30 and the filter screen 31 to vibrate together. During the vibration process, the collision with the limit plate 33 further promotes the falling of dust attached to the filter screen 31, thereby improving the cleaning effect.

[0053] After the mounting plate 29 moves, the shielding plate 35 moves accordingly to clear the through slot 17 , and the dust falling from the filter screen 31 enters the interior of the collecting box 2 through the through slot 17 and is collected and stored.

[0054] At the same time, a small amount of gas inside the recoil tube 40 enters the interior of the storage tank 43 through the one-way tube 39. The part of the one-way tube 39 located on the inner side of the rotating ring 12 is a hose and has sufficient excess length to facilitate the reciprocating rotation of the recoil tube 40 without obstruction. Water is contained in the storage tank 43, and a liquid level control device is provided on the storage tank 43 to control the water inlet to ensure that there is enough water inside the storage tank 43. The gas introduced into the one-way tube 39 passes through the water body and is blown into the interior of the collection box 2 through the connecting shell 41 and the air inlet 42, thereby increasing the humidity inside the collection box 2. On the one hand, it can moisten the dust, cause the particles to agglomerate and increase in weight, promote the sedimentation and accumulation of fallen dust, and reduce the escape of dust. On the other hand, when the humidity is high, static electricity is not easy to occur, thereby reducing the risk of dust explosion caused by static electricity.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An energy-saving ventilation device for a wooden furniture production workshop, comprising an outer box (1), the bottom of which is connected to the outside, and characterized in that: Also includes: A ventilation assembly is connected to the side of the outer box (1) and allows airflow to pass through the interior of the outer box (1) when the ventilation assembly is in operation; The filter mechanism includes a fixing frame fixedly connected to the interior of the outer box (1) and a filter element connected to the inner side of the fixing frame, wherein a sliding groove (18) and a rotating groove (19) that are interconnected are provided on the inner side of the fixing frame, wherein the filter element slides in cooperation with the sliding groove (18) and rotates in cooperation with the rotating groove (19), wherein an elastic element is connected to a side of the fixing frame close to the filter element, wherein an end of the elastic element away from the fixing frame is rotatably pressed against the filter element, wherein the fixing frame blocks the lower half of the filter element, and the filter element is pushed by the airflow and moves from the sliding groove (18) to the rotating groove (19); A cleaning mechanism, wherein the input end of the cleaning mechanism is connected to a portion of the air outlet end of the ventilation component, the output end is a recoil pipe (40), the fixed frame is connected to the rotating component, the recoil pipe (40) is connected to the output end of the rotating component, and the air outlet end of the recoil pipe (40) faces the lower half of the filter element.

2. The energy-saving ventilation device for wooden furniture production workshop according to claim 1, characterized in that: The ventilation assembly comprises a fixed shell (3) connected to the side of the outer box (1); a fan (7) is installed at one end of the fixed shell (3) extending into the interior of the outer box (1); a plurality of first air outlet pipes (4) and a second air outlet pipe (5) are connected at one end of the fixed shell (3) away from the outer box (1); an air suction end of the fan (7) is connected to the interior of the outer box (1), and an air outlet end faces the plurality of air outlet pipes; and a middle portion of the second air outlet pipe (5) is connected to a cleaning mechanism.

3. The energy-saving ventilation device for wooden furniture production workshop according to claim 1, characterized in that: The fixing frame includes a mounting block (8) fixedly connected to the inside of the outer box (1), a fixing ring (9) fixedly connected to the inside of the mounting block (8), a sliding groove (18) and a rotating groove (19) are both provided on the inside of the fixing ring (9), one end of the fixing ring (9) close to the ventilation component is fixedly connected to a first fixing plate (10), and the other end is connected to a slidable second fixing plate (13), an elastic member is connected to the first fixing plate (10), and the first fixing plate (10) and the second fixing plate (13) jointly cover the lower half of the filter element; A first spring (16) is fixedly connected to a side of the second fixing plate (13) away from the filter element, a connecting plate (15) is fixedly connected between an end of the first spring (16) away from the second fixing plate (13) and the fixing ring (9), a sliding plate (14) is fixedly connected to the top of the second fixing plate (13), and the second fixing plate (13) is in contact with the filter element.

4. The energy-saving ventilation device for wooden furniture production workshop according to claim 3, characterized in that: The filter element includes a mounting plate (29) that is slidably engaged with the sliding groove (18) and rotatably engaged with the rotating groove (19). Two placement cavities are provided through the mounting plate (29), and the two placement cavities are distributed in the vertical direction. A support frame (30) is placed inside the placement cavity, and a limit plate (33) is fixed on the side close to the ventilation component. The support frame (30) and the limit plate (33) are magnetically engaged. A filter screen (31) is fixedly connected to the inner side of the support frame (30), a baffle plate (35) is fixedly connected to the limit plate (33), and a counterweight (34) is fixedly connected to the opposite side of the two baffle plates (35). The axis of the fixing ring (9) is inclined, and the inclined bottom end faces the side of the ventilation component. The upper filter screen (31) is located on the airflow path inside the outer box (1).

5. The energy-saving ventilation device for wooden furniture production workshop according to claim 4, characterized in that: The elastic member comprises a spring telescopic rod (21) fixedly connected to the first fixed plate (10); a ball head at one end of the spring telescopic rod (21) away from the first fixed plate (10) is connected to a squeezing ball (22); and the squeezing ball (22) abuts against the mounting plate (29).

6. The energy-saving ventilation device for wooden furniture production workshop according to claim 2, characterized in that: The inner side of the fixed ring (9) is rotatably connected to a rotating ring (12), and a giving groove (20) is provided on the rotating ring (12) for slidingly cooperating with the mounting plate (29). The inner side of the fixed ring (9) is slidably connected to a snap-fit ​​block (36), and a second spring (37) is fixedly connected between the snap-fit ​​block (36) and the fixed ring (9). The outer side of the rotating ring (12) is provided with a snap-fitting groove for engaging with the snap-fitting block (36), and both sides of the snap-fitting block (36) are wedge-shaped. An infrared distance sensor (23) is installed on the inner side of the rotating ring (12), and the infrared distance sensor (23) is used to measure the position of the mounting plate (29).

7. The energy-saving ventilation device for wooden furniture production workshop according to claim 6, characterized in that: The cleaning mechanism includes an electric valve (6) mounted on the second air outlet pipe (5), the air outlet end of the electric valve (6) is connected to a connecting pipe (38), the end of the connecting pipe (38) away from the electric valve (6) passes through the fixed ring (9) and is connected to the recoil pipe (40), the end of the connecting pipe (38) extending into the interior of the fixed ring (9) is a hose, the rotating assembly includes a motor (11) and a limit frame (24) mounted on the first fixed plate (10), the output end of the motor (11) is coaxially fixedly connected to a gear (26), the limit frame (24) is rotatably connected to an inner gear ring (25), the inner side of the inner gear ring (25) is meshed with the gear (26), and the outer side is fixedly connected to the top of the recoil pipe (40), the air outlet end of the recoil pipe (40) faces the filter (31) below, the infrared ranging sensor (23), the electric valve (6) and the motor (11) are all electrically connected to a controller, and the controller is mounted on the outer box (1).

8. The energy-saving ventilation device for wooden furniture production workshop according to claim 7, characterized in that: An electric telescopic rod (27) is installed on the first fixed plate (10), a clamping portion (28) is installed on the output end of the electric telescopic rod (27), a transmission block (32) is fixedly connected to the support frame (30), the clamping portion (28) and the transmission block (32) are clamped and matched, the electric telescopic rod (27) is electrically connected to the controller, and the electric telescopic rod (27) passes through the interior of the inner gear ring (25).

9. The energy-saving ventilation device for wooden furniture production workshop according to claim 8, characterized in that: The bottom of the fixed ring (9) and the top and bottom of the rotating ring (12) are all penetrated by a through groove (17). In the initial state, the two shielding plates (35) correspond to each other and block the two through grooves (17) on the rotating ring (12). The bottom of the outer box (1) is connected to the collection box (2), and the filter screen (31) and the through groove (17) are both located above the collection box (2).

10. The energy-saving ventilation device for wooden furniture production workshop according to claim 9, characterized in that: The bottom of the recoil pipe (40) is connected to a one-way pipe (39), one end of the one-way pipe (39) away from the recoil pipe (40) passes through the fixing ring (9) and is connected to the storage tank (43). A one-way valve is installed inside the one-way pipe (39), and the one-way direction of the one-way valve is from the recoil pipe (40) toward the storage tank (43). The storage tank (43) is filled with water. The top of the storage tank (43) is connected to a connecting shell (41). An air inlet (42) is opened on the top of the collection box (2), and one end of the connecting shell (41) away from the storage tank (43) is connected to the air inlet (42).

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