An environmentally friendly collection and processing device for die-cutting waste

Abstract

The present invention discloses an environmentally friendly collection and treatment device for die-cutting waste, which relates to the field of waste recycling technology and includes a die-cutting machine body, wherein the die-cutting machine body includes a workbench, an upper die and a lower die located on the top of the workbench, and also includes a suction component, a negative pressure component, and an air curtain component. The present invention is provided with a suction component, an air curtain component, and an air guide, etc. The negative pressure fan enables the bellows to adsorb waste and dust immediately, and the two air curtain heads clean the feed side and the discharge side of the product strip respectively, which not only prevents a large amount of dust from adhering to the feed side and affecting the surface of the product during die-cutting, but also enables the product to clean the strip after die-cutting to avoid waste adhering to the strip. In addition, an air guide is provided at the intersection of the wind directions of the two air curtain heads to guide the wind blown out by the air curtain heads and make it act in reverse on the product, further improving the adsorption effect of the bellows on dust and waste.

Description

Technical Field

[0001] The present invention relates to the technical field of waste recycling, and in particular to an environmentally friendly collection and treatment device for die-cutting waste. Background Art

[0002] Die cutting is a processing method that uses steel knives, metal molds or lasers to cut and shape materials. During the die cutting process, in addition to the target product, some unwanted scraps or waste are also generated. These are called die cutting waste.

[0003] During the operation of the die-cutting machine, every time the upper die completes a stroke, waste or dust around the product will float in the surrounding air. The existing waste cleaning method is mainly to set a fan on one side of the die-cutting machine and a garbage bag on the other side to clean the waste by blowing with strong wind. However, this method can only be used to collect larger solid particles. It not only fails to collect dust in the air, but also aggravates the escape of dust, endangering the health of workers.

[0004] The Chinese patent application number CN202023283053.9 discloses a high-efficiency dust removal mechanism for a die-cutting machine. This patent mainly enhances the suction and exhaust effects of the dust removal box by installing two negative pressure fans and fan blades inside the exhaust box and the outlet box respectively, and filters large and small dust particles in a graded manner, and improves the dust filtering effect by combining water mist. However, although the device enhances the adsorption effect of dust by setting two fans, when waste and dust are generated, the device cannot adsorb the waste or dust in the first time, and can only adsorb the dust that has been fully diffused in the air, which makes the cleaning effect of the device very limited.

[0005] The Chinese patent application number CN202222236361.9 discloses an environmentally friendly dust removal device for carton die-cutting. This patent can guide the incoming wind by setting an air guide plate, and at the same time has a certain blocking effect on dust. At the same time, the air inlet hood is convenient for absorbing dust during die-cutting, and the extension hood is adjusted according to the width of the die-cutting device to ensure the dust collection effect. However, the adsorption effect of dust in the air by the air guide plate is not good. For example, when the device is set on the right side of the die-cutting machine, the dust on the right side is more easily adsorbed by the device, but the adsorption effect on the dust on the left side will be weakened. If the fan power is increased, the power consumption and noise will increase, and the effect improvement is also limited.

[0006] To this end, the present invention proposes an environmentally friendly collection and treatment device for die-cutting waste to solve the above problems. Summary of the Invention

[0007] The purpose of the present invention is to provide an environmentally friendly collection and treatment device for die-cutting waste, so as to solve the technical problems raised in the above background technology.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: an environmentally friendly collection and treatment device for die-cutting waste, comprising a die-cutting machine body, wherein the die-cutting machine body comprises a workbench, an upper die and a lower die located on top of the workbench, and further comprising:

[0009] The suction assembly includes a bellows located on one side of the top of the workbench and with its long side parallel to the direction of product feeding and discharging. The bellows is provided with partitions on both sides of its interior along its length, the partitions dividing the interior of the bellows into an adsorption chamber and two ventilation chambers. The side of the bellows close to the upper mold is provided with multiple adsorption holes connected to the adsorption chambers;

[0010] The negative pressure component provides the adsorption chamber with the force to adsorb waste or dust, and supplies air into the ventilation chamber;

[0011] The air curtain assembly is provided with two and is respectively installed at the two ends of the bellows, including a bellows connected to the ventilation cavity, and an air curtain head is provided at the end of the bellows away from the ventilation cavity. The two air curtain heads respectively clean the feeding side and the discharging side of the product material belt. The air outlet direction of the air curtain head forms an acute angle with the long side of the bellows, and the extension lines of the air outlet of the two air curtain heads form an intersection on the side of the workbench away from the bellows.

[0012] Preferably, an air guide is installed on the side of the workbench away from the bellows, and the air guide is located at the intersection of the air outlets of the two air curtain heads. The air guide can guide the wind at the intersection to between the upper mold and the lower mold.

[0013] Preferably, the air guide member includes:

[0014] A support column, which is fixedly mounted on the workbench;

[0015] The air guide plate is fixedly arranged on the top of the supporting column. Two symmetrically arranged air guide grooves are opened on the side of the air guide plate close to the wind box, and the same conical block is arranged between the two air guide grooves.

[0016] Preferably, the negative pressure component includes:

[0017] A box body is located on one side of the workbench, the box body is connected to the adsorption chamber through a pipeline, and a filter element is provided in the box body;

[0018] A negative pressure fan is installed on the box body, wherein the input end of the negative pressure fan is connected to the box body through a negative pressure pipe, and the output end of the negative pressure fan is connected to the two ventilation chambers through pipes respectively;

[0019] an intermediate plate fixed to the interior of the box body, and the intermediate plate divides the interior of the box body into a first chamber and a second chamber that are interconnected, and the filter element includes a coarse filter element located in the first chamber and a fine filter element located in the second chamber;

[0020] A liquid tank is located below the first chamber and the second chamber and contains cleaning liquid for absorbing dust or impurities in the air;

[0021] The liquid filter assembly comprises a filter box communicated with the box body, wherein a filter screen is arranged in the filter box for collecting sediment in the cleaning liquid.

[0022] Preferably, a liquid circulation mechanism is further included, which includes:

[0023] A nozzle is fixedly mounted on the inner wall of the first chamber and is provided with a plurality of obliquely arranged nozzle holes, and a glue head is arranged in the nozzle holes;

[0024] The circulation pump is installed on the filter box, and a liquid extraction pipe is provided between the input end of the circulation pump and the filter box, and a first liquid outlet pipe is connected between the output end of the circulation pump and the nozzle.

[0025] Preferably, the coarse filter element is an inclined filter plate for filtering large particles of impurities, waste or dust particles. A notch is provided on one side of the box body and the filter box, and the notch corresponds to the lowest point of the filter plate. Impurities on the filter plate enter the filter box through the notch under the influence of gravity or liquid, and the filter screen is located above the notch.

[0026] Preferably, a water curtain mechanism is also included, which includes:

[0027] A through groove is provided inside the middle plate, and when the liquid passes through the through groove and enters the liquid storage tank, a water curtain is formed at the bottom thereof;

[0028] The horizontal pipe is fixedly installed on one side of the middle plate and communicated with the through groove, and a rubber strip is provided at the connection between the horizontal pipe and the through groove. A second liquid outlet pipe is connected between the horizontal pipe and the circulation pump.

[0029] Preferably, the bottom of the liquid holding tank is an inclined surface, and the lowest point of the inclined surface matches the filter box, and the lowest point of the filter box is lower than the lowest point of the inclined surface.

[0030] Preferably, a filter screen cleaning device is also included, which includes:

[0031] an air pressure sensor mounted on the inner wall of the second chamber to detect the pressure value in the second chamber;

[0032] A cleaning tank is provided on a side of the middle plate close to the first chamber and is connected to the through slot, and the cleaning tank matches the highest point of the filter plate;

[0033] A switching plate is rotatably arranged inside the through slot and matches the cleaning slot;

[0034] The telescopic rod is installed in the second chamber, and its output end passes through the middle plate and is movably connected to the switching plate. When the air pressure sensor detects that the pressure value in the second chamber gradually decreases or returns to atmospheric pressure, the telescopic rod drives the switching plate to rotate.

[0035] Preferably, a solenoid valve is provided between the first liquid outlet pipe and the second liquid outlet pipe.

[0036] The beneficial effects of the present invention are:

[0037] 1. The present invention is provided with an air suction component, an air curtain component and an air guide. For the waste generated after the die-cutting of the product, the negative pressure fan enables the bellows to adsorb the waste and dust in the first time to ensure that the dust does not escape into the air in large quantities. In addition, the two air curtain heads clean the feed side and the discharge side of the product material belt respectively, which not only prevents a large amount of dust from adhering to the feed side and affecting the surface of the product during die-cutting, but also enables the product to clean the material belt after die-cutting to avoid some waste from adhering to the material belt. At the same time, an air guide is provided at the intersection of the wind directions of the two air curtain heads to guide the wind blown out by the air curtain heads and make it act in reverse on the product, which is equivalent to providing a fan on the other side of the bellows, further improving the bellows' adsorption effect on dust and waste.

[0038] 2. The present invention performs multi-stage filtration on the air entering the box through the arrangement of a liquid circulation mechanism, a water curtain mechanism and a filter element. When spraying water mist, most of the suspended particulate matter in the air can be effectively removed, and the settled dust and large waste particles are gathered on the filter plate. Under the continuous impact of the cleaning liquid and the action of their own gravity, the dust particles and waste flow along the inclined surface of the filter plate into the filter box and finally gather inside it. Under the action of the water curtain mechanism, when the gas in the first chamber enters the second chamber, the tiny particles carried in the air are further separated, thereby extending the maintenance cycle of the fine filter element. With the cooperation of the fine filter element and the water curtain mechanism, the situation in which the gas sprayed from the two air curtain heads carries tiny particles is reduced or even avoided.

[0039] 3. The present invention is equipped with an air pressure sensor, a cleaning tank, a switching plate and a telescopic rod. When the air pressure in the second chamber is lower than the threshold, it means that the filter plate is clogged. At this time, the telescopic rod drives the switching plate to rotate, so that the cleaning tank is connected to the through tank. The liquid sprayed from the cleaning tank flushes the surface of the filter plate. At the same time, the flow rate of the second liquid outlet pipe is controlled by the solenoid valve to adapt to different blockage conditions of the filter plate, avoid affecting the wind force of the air curtain assembly and the suction assembly, and improve the stability of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1The figure is a schematic plan view of an environmentally friendly die-cutting waste collection and treatment device and a die-cutting machine according to the present invention.

[0041] Figure 2 The figure is a three-dimensional schematic diagram of an environmentally friendly die-cutting waste collection and treatment device and a die-cutting machine according to the present invention.

[0042] Figure 3 This is a three-dimensional schematic diagram of an environmentally friendly collection and treatment device for die-cutting waste according to the present invention.

[0043] Figure 4 It is a three-dimensional schematic diagram of the air suction component of the present invention.

[0044] Figure 5 It is a schematic cross-sectional view of the bellows of the present invention.

[0045] Figure 6 Schematic diagram of the cooperation between the air curtain assembly and the air guide member of the present invention.

[0046] Figure 7 It is a three-dimensional schematic diagram of the air guide member of the present invention.

[0047] Figure 8 It is a partial structural diagram of the liquid circulation mechanism of the present invention.

[0048] Figure 9 It is a cross-sectional schematic diagram of the box structure of the present invention.

[0049] Figure 10 for Figure 9 Enlarged schematic diagram of point A in the middle.

[0050] The accompanying drawings are:

[0051] 1. Die-cutting machine body; 11. Workbench; 12. Upper die; 13. Lower die;

[0052] 2. Suction assembly; 21. Bellows; 211. Adsorption hole; 22. Partition; 23. Adsorption chamber; 24. Ventilation chamber;

[0053] 3. Negative pressure assembly; 31. Box; 311. First chamber; 312. Second chamber; 32. Negative pressure fan; 33. Intermediate plate; 34. Liquid tank; 35. Filter plate; 36. Notch;

[0054] 4. Air curtain assembly; 41. Bellows; 42. Air curtain head;

[0055] 5. Air guide; 51. Support column; 52. Air guide plate; 53. Air guide slot; 54. Conical block;

[0056] 6. Liquid filter assembly; 61. Filter box; 62. Filter screen;

[0057] 7. Liquid circulation mechanism; 71. Nozzle; 72. Spray hole; 73. Circulation pump; 74. First liquid outlet pipe;

[0058] 8. Water curtain mechanism; 81. Through slot; 82. Horizontal pipe; 83. Second liquid outlet pipe;

[0059] 9. Filter cleaning device; 91. Cleaning tank; 92. Switching plate; 93. Telescopic rod. DETAILED DESCRIPTION

[0060] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention. Example 1

[0061] In actual production processes, existing die-cutting waste collection devices are unable to immediately absorb and clean waste or dust, and can only absorb dust that has already diffused sufficiently in the air, making the cleaning effect of the device very limited. In addition, although some waste collection devices enhance the absorption of dust in the air by installing air guide plates, they are prone to poor absorption on one side. If the fan power is simply increased, the power consumption and noise will increase, and the effect will also be limited. This embodiment is specially invented to solve the above problems.

[0062] See also Figures 1 to 10 As shown, an environmentally friendly collection and treatment device for die-cutting waste according to an embodiment of the present invention includes a die-cutting machine body 1, the die-cutting machine body 1 includes a workbench 11, an upper mold 12 and a lower mold 13 located on the top of the workbench 11, and also includes a suction component 2, a negative pressure component 3 and an air curtain component 4.

[0063] See also Figure 1 、 Figure 3 、 Figure 4 and Figure 5 As shown, the above-mentioned suction assembly 2 includes a bellows 21 located on one side of the top of the workbench 11. The long side of the bellows 21 is parallel to the direction of product feeding and discharging. The bellows 21 is provided with partitions 22 on both sides of the interior along its length direction. The partitions 22 divide the interior of the bellows 21 into an adsorption chamber 23 and two ventilation chambers 24. A plurality of adsorption holes 211 connected to the adsorption chamber 23 are provided on the side of the bellows 21 close to the upper mold 12.

[0064] See also Figures 1 to 9As shown, the negative pressure component 3 is used to provide the adsorption force of the adsorption chamber 23 for waste or dust, and can supply air to the ventilation chamber 24. The negative pressure component 3 specifically includes a box body 31 located on one side of the workbench 11. The box body 31 is connected to the adsorption chamber 23 through a pipe, and a filter element is provided in the box body 31. A negative pressure fan 32 is provided on the box body 31. A negative pressure pipe is connected between the input end of the negative pressure fan 32 and the box body 31, and an air supply pipe is connected between the output end and the two ventilation chambers 24 respectively. An intermediate plate 33 is fixedly provided inside the box body 31, and the intermediate plate 33 divides the interior of the box body 31 into a first chamber 311 and a second chamber 312 that are connected to each other. The filter element includes a coarse filter element located in the first chamber 311 and a fine filter element in the second chamber 312. A liquid tank 34 is provided below the first chamber 311 and the second chamber 312, and a cleaning liquid is provided inside it to adsorb dust or impurities in the air.

[0065] The liquid filter assembly 6 is also included. The liquid filter assembly 6 includes a filter box 61 connected to the box body 31. A filter screen 62 is provided in the filter box 61 to collect sediment in the cleaning liquid.

[0066] Two air curtain assemblies 4 are provided at both ends of the bellows 21. The air curtain assembly 4 includes a bellows 41 connected to the ventilation cavity 24. An air curtain head 42 is installed at the end of the bellows 41 away from the ventilation cavity 24. The air outlet of the air curtain head 42 is rectangular. The two air curtain heads 42 clean the feeding side and the discharging side of the product material belt respectively. The air outlet direction of the air curtain head 42 forms an acute angle with the long side of the bellows 21, and the extension lines of the air outlet of the two air curtain heads 42 form an intersection on the side of the workbench 11 away from the bellows 21.

[0067] See also Figure 6 and Figure 7 As shown, an air guide 5 is installed on the side of the workbench 11 away from the bellows 21. The air guide 5 is located at the intersection of the air outlets of the two air curtain heads 42. The air guide 5 can guide the wind at the intersection to between the upper mold 12 and the lower mold 13, and cooperate with the adsorption force of the bellows 21 to improve the adsorption effect of waste and dust.

[0068] See also Figure 7 As shown, in this embodiment, the air guide member 5 includes a support column 51 fixedly mounted on the workbench 11, and an air guide plate 52 is fixedly connected to the top of the support column 51. The air guide plate 52 has two symmetrically arranged air guide grooves 53 on one side close to the bellows 21, and the same conical block 54 is provided between the two air guide grooves 53.

[0069] In another embodiment, a tubular structure, such as a circular tube, can be provided around the conical block 54. The wind guided by the air guide groove 53 enters the circular tube, and the circular tube can restrain the wind to prevent it from escaping too much or forming vortices.

[0070] During use, the die-cut product moves from the feed side to the discharge side of the workbench 11. With the cooperation of the upper die 12 and the lower die 13, every time the upper die 12 completes a stroke, the waste or dust generated after the product die-cutting gradually floats in the air around the upper die 12. During the product die-cutting process, the negative pressure fan 32 is started. Under the action of a large negative pressure, the waste and dust enter the adsorption chamber 23 through the adsorption hole 211. When the dust enters the box body 31, the filter element filters out the dust and waste in the air, and the filtered gas enters the ventilation chamber 24 under the action of the negative pressure fan 32 and is sprayed out by the two air curtain heads 42 respectively.

[0071] In this embodiment, when the product strip is continuously die-cut and fed, the two air curtain heads 42 clean the feed side and the discharge side of the product respectively, which not only prevents a large amount of dust from adhering to the feed side and affecting the surface of the product during die-cutting, but also allows the product to clean the strip after die-cutting to avoid some waste materials adhering to the strip.

[0072] In order to enhance the adsorption force of the bellows 21 on the air, an air guide 5 is provided at the intersection of the wind directions of the two air curtain heads 42. The air guide 5 can guide the wind blown out by the air curtain heads 42 and make it act in the opposite direction between the upper mold 12 and the lower mold 13, which is equivalent to adding a fan on the other side of the bellows 21. With the cooperation of the air guide 5 and the bellows 21, the waste and dust generated after die-cutting are cleaned up as soon as possible.

[0073] It should be noted that different wind guide structures have different wind guiding effects. Even if the wind guide member 5 cannot fully utilize the wind sprayed by the wind curtain head 42, as long as part of the wind is reacted on the product, the adsorption effect of the bellows 21 will be increased.

[0074] To sum up, through the settings of the suction component 2, the wind curtain component 4 and the air guide 5, for the waste generated after the die-cutting of the product, the negative pressure fan 32 enables the bellows 21 to adsorb the waste and dust in the first time to ensure that the dust will not be dispersed in the air in large quantities, and the two wind curtain heads 42 respectively clean the feed side and the discharge side of the product material belt, which can not only avoid a large amount of dust adhering to the feed side and affecting the surface of the product during die-cutting, but also enable the product to clean the material belt after die-cutting to avoid some waste adhering to the material belt. At the same time, an air guide 5 is provided at the intersection of the wind directions of the two wind curtain heads 42 to guide the wind blown out by the wind curtain heads 42 and make it act in reverse on the product, which is equivalent to providing a fan on the other side of the bellows 21, further improving the adsorption effect of the bellows 21 on dust and waste. Example 2

[0075] In actual use, it was found that if the air entering the box 31 is discharged from the air curtain head 42 without being effectively filtered, the air ejected from the air curtain head 42 will carry a large number of tiny particles. These particles will affect the surface precision of the product strip and, in severe cases, even cause pits on the product surface, which is very harmful to some delicate electronic components. To address the above problems, further improvements have been made based on the above embodiment.

[0076] See also Figure 8 and Figure 9 As shown, it also includes a liquid circulation mechanism 7, which includes a nozzle 71 fixedly installed in the first chamber 311, and a plurality of inclined spray holes 72 are opened on the nozzle 71, and a rubber head is provided in the spray hole 72, which is used to limit the spraying pressure of the liquid so that the plurality of spray holes 72 can spray liquid simultaneously; a circulation pump 73 is installed on the filter box 61, and a liquid extraction pipe is provided between the input end of the circulation pump 73 and the filter box 61, and a first liquid outlet pipe 74 is connected between the output end and the nozzle 71.

[0077] The coarse filter element is an inclined filter plate 35 for filtering large particles of impurities, waste or dust particles. A notch 36 is provided on one side of the box body 31 and the filter box 61. The notch 36 corresponds to the lowest point of the filter plate 35. Impurities on the filter plate 35 enter the filter box 61 through the notch 36 under the influence of gravity or liquid. The filter screen 62 is located above the notch 36.

[0078] See also Figure 9 As shown, it also includes a water curtain mechanism 8, which includes a through groove 81 opened inside the middle plate 33, and when the liquid passes through the through groove 81 and enters the liquid storage tank 34, a water curtain is formed below the through groove 81. A transverse pipe 82 connected to the through groove 81 is fixedly installed on one side of the middle plate 33, and a rubber strip is provided at the connection between the transverse pipe 82 and the through groove 81. The function of the rubber strip is consistent with that of the above-mentioned rubber head, and the spraying pressure of the rubber strip is consistent with that of the rubber head. When the liquid enters the nozzle 71 and the transverse pipe 82 at the same time, the liquid inside will be sprayed out only after the liquid pressure in the nozzle 71 and the transverse pipe 82 forces the rubber head or the rubber strip to open. A second liquid outlet pipe 83 is connected between the transverse pipe 82 and the circulation pump 73.

[0079] In order to facilitate the collection of impurities or waste in the liquid tank 34, the bottom of the liquid tank 34 is a slope, and the lowest point of the slope matches the filter box 61. The lowest point of the filter box 61 is lower than the lowest point of the slope. In actual use, impurities floating or precipitated in the cleaning liquid will enter the filter box 61 during the circulation of the cleaning liquid. Combined with the slope of the bottom of the liquid tank 34, the precipitated waste or impurities can enter the filter box 61 faster, and workers can regularly clean the impurities in the filter box 61.

[0080] On the basis of the above embodiment, when in use, the waste and dust adsorbed by the bellows 21 enter the box body 31, and the cleaning liquid sprayed by the nozzle 71 adsorbs the dust in the air. The water mist particles can combine with the dust particles in the air, causing the dust to settle due to the increase in weight. In this preliminary filtration, most of the suspended particulate matter in the air can be effectively removed, and the settled dust and large particles of waste gather on the filter plate 35. Under the continuous impact of the cleaning liquid and the action of its own gravity, the dust particles and waste flow along the inclined surface of the filter plate 35 to the filter box 61 and finally gather inside it.

[0081] After being filtered by the water mist, the gas passes through the filter plate 35 and enters the second chamber 312 from the bottom of the middle plate 33. Under the setting of the water curtain mechanism 8, the cleaning liquid in the liquid tank 34 enters the cross pipe 82 and the through groove 81 through the filter box 61, the filter screen 62, the circulation pump 73 and the second liquid outlet pipe 83, and finally forms a water curtain below the middle plate 33. When the gas in the first chamber 311 enters the second chamber 312, after secondary filtration by the water curtain, the tiny particles carried in the air are further separated, thereby reducing the filtration strength of the fine filter element in the second chamber 312 and extending the maintenance cycle of the fine filter element by workers.

[0082] In summary, through the liquid circulation mechanism 7, the water curtain mechanism 8 and the filter element, the air entering the box 31 is subjected to multi-stage filtration, and most of the suspended particulate matter in the air can be effectively removed when spraying water mist, and the settled dust and large particles of waste are gathered on the filter plate 35. Under the continuous impact of the cleaning liquid and the action of its own gravity, the dust particles and waste flow along the inclined surface of the filter plate 35 into the filter box 61 and finally gather inside it. Under the action of the water curtain mechanism 8, when the gas in the first chamber 311 enters the second chamber 312, the tiny particles carried in the air are further separated, thereby extending the maintenance cycle of the fine filter element. With the cooperation of the fine filter element and the water curtain mechanism 8, the situation in which the gas ejected from the two air curtain heads 42 carries tiny particles is reduced or even avoided. Example 3

[0083] In order to prevent a large amount of waste or dust impurities from accumulating on the filter plate 35, which would cause the filter plate 35 to become clogged and result in insufficient air supply from the negative pressure fan 32 to the ventilation chamber 24, thereby reducing the cleaning effect of the air curtain assembly 4 on the material belt, further improvements are made based on the above embodiment.

[0084] See also Figure 9 and Figure 10As shown, it also includes a filter cleaning device 9, which includes an air pressure sensor installed on the inner wall of the second chamber 312 to detect the pressure value in the second chamber 312. A cleaning groove 91 connected to the through groove 81 is opened on the side of the middle plate 33 close to the first chamber 311, and the cleaning groove 91 matches the highest point of the filter plate 35. A switching plate 92 matching the cleaning groove 91 is rotatably provided inside the through groove 81. A telescopic rod 93 is installed in the second chamber 312, and the output end of the telescopic rod 93 passes through the middle plate 33 and is movably connected to the switching plate 92. When the air pressure sensor detects that the pressure value in the second chamber 312 gradually decreases or returns to atmospheric pressure, the telescopic rod 93 drives the switching plate 92 to rotate, and an electromagnetic valve is provided between the first liquid outlet pipe 74 and the second liquid outlet pipe 83.

[0085] During use, if the air pressure sensor detects that the air pressure in the second chamber 312 is gradually decreasing, it means that the filter plate 35 has been clogged. When the air pressure value is less than the threshold, the air pressure sensor sends an electrical signal to the telescopic rod 93, and the telescopic rod 93 drives the switching plate 92 to rotate. The cleaning tank 91 is connected to the through groove 81, and the cleaning liquid in the through groove 81 is sprayed out from the cleaning tank 91 and acts on the filter plate 35 to flush the waste on the filter plate 35.

[0086] It should be noted that if the filter plate 35 is severely clogged, workers can control the liquid flow of the first liquid outlet pipe 74 and the second liquid outlet pipe 83 through the solenoid valve, reduce or even stop pumping the cleaning liquid into the first liquid outlet pipe 74, pump all the cleaning liquid into the horizontal pipe 82, and increase the liquid pressure sprayed out of the cleaning tank 91.

[0087] To sum up, through the settings of the air pressure sensor, the cleaning tank 91, the switching plate 92 and the telescopic rod 93, when the air pressure in the second chamber 312 is less than the threshold value, it means that the filter plate 35 is blocked. At this time, the telescopic rod 93 drives the switching plate 92 to rotate, so that the cleaning tank 91 is connected to the through groove 81. The liquid sprayed from the cleaning tank 91 flushes the surface of the filter plate 35. At the same time, the flow rate of the second liquid outlet pipe 83 is controlled by the solenoid valve to adapt to different blockage conditions of the filter plate 35, avoid affecting the wind force of the air curtain assembly 4 and the suction assembly 2, and improve the stability of the overall device.

[0088] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An environmentally friendly collection and treatment device for die-cutting waste, comprising a die-cutting machine body (1), wherein the die-cutting machine body (1) comprises a workbench (11), an upper die (12) and a lower die (13) located on the top of the workbench (11), characterized in that: Also includes: An air suction assembly (2) includes a bellows (21) located on one side of the top of the workbench (11) and having its long side parallel to the direction of product feeding and discharging, partitions (22) are respectively provided on both sides of the interior of the bellows (21) along its length direction, the partitions (22) dividing the interior of the bellows (21) into an adsorption chamber (23) and two ventilation chambers (24), and a plurality of adsorption holes (211) communicating with the adsorption chamber (23) are provided on a side of the bellows (21) close to the upper mold (12); A negative pressure component (3) provides a force for the adsorption chamber (23) to adsorb waste materials or dust, and supplies air into the ventilation chamber (24); An air curtain assembly (4), which is provided with two and respectively installed at both ends of the bellows (21), including a bellows (41) connected to the ventilation cavity (24), an air curtain head (42) is provided at one end of the bellows (41) away from the ventilation cavity (24), the two air curtain heads (42) respectively clean the feed side and the discharge side of the product material belt, the air outlet direction of the air curtain head (42) forms an acute angle with the long side of the bellows (21), and the extension lines of the air outlet of the two air curtain heads (42) form an intersection on the side of the workbench (11) away from the bellows (21); An air guide (5) is installed on the side of the workbench (11) away from the bellows (21), and the air guide (5) is located at the intersection of the air outlets of the two air curtain heads (42). The air guide (5) can guide the air at the intersection to between the upper mold (12) and the lower mold (13); The air guide member (5) comprises: A support column (51) is fixedly mounted on the workbench (11); An air guide plate (52) is fixedly arranged on the top of the support column (51), and two symmetrically arranged air guide grooves (53) are opened on a side of the air guide plate (52) close to the wind box (21), and a same conical block (54) is arranged between the two air guide grooves (53).

2. The environmentally friendly collection and treatment device for die-cutting waste according to claim 1, characterized in that: The negative pressure component (3) comprises: A box (31) is located on one side of the workbench (11), the box (31) is connected to the adsorption chamber (23) through a pipeline, and a filter is provided in the box (31); A negative pressure fan (32) is installed on the box body (31), wherein an input end of the negative pressure fan (32) is connected to the box body (31) via a negative pressure pipe, and an output end of the negative pressure fan (32) is connected to the two ventilation chambers (24) via pipes; an intermediate plate (33) fixed to the interior of the box body (31), and the intermediate plate (33) divides the interior of the box body (31) into a first chamber (311) and a second chamber (312) that are interconnected, the filter element comprising a coarse filter element located in the first chamber (311) and a fine filter element located in the second chamber (312); a liquid tank (34), which is located below the first chamber (311) and the second chamber (312) and contains a cleaning liquid for absorbing dust or impurities in the air; The liquid filter assembly (6) comprises a filter box (61) in communication with the box body (31), wherein a filter screen (62) is provided in the filter box (61) for collecting sediment in the cleaning liquid.

3. The environmentally friendly collection and treatment device for die-cutting waste according to claim 2, characterized in that: Also included is a liquid circulation mechanism (7), which includes: A nozzle (71) is fixedly mounted on the inner wall of the first chamber (311) and is provided with a plurality of obliquely arranged nozzle holes (72), and a rubber head is provided in the nozzle hole (72); The circulation pump (73) is installed on the filter box (61), and a liquid extraction pipe is provided between the input end of the circulation pump and the filter box (61), and a first liquid outlet pipe (74) is connected between the output end of the circulation pump and the nozzle (71).

4. The environmentally friendly collection and treatment device for die-cutting waste according to claim 3, characterized in that: The coarse filter element is a filter plate (35) arranged at an angle, used to filter large particles of impurities, waste or dust particles. A notch (36) is provided on one side of the box body (31) and the filter box (61). The notch (36) corresponds to the lowest point of the filter plate (35). Impurities on the filter plate (35) enter the filter box (61) through the notch (36) under the influence of gravity or liquid. The filter screen (62) is located above the notch (36).

5. The environmentally friendly collection and treatment device for die-cutting waste according to claim 4, characterized in that: Also included is a water curtain mechanism (8), which includes: A through groove (81) is provided inside the middle plate (33), and when the liquid passes through the through groove (81) and enters the liquid storage tank (34), a water curtain is formed at the bottom thereof; A transverse pipe (82) is fixedly mounted on one side of the intermediate plate (33) and communicates with the through groove (81), and a rubber strip is provided at the connection between the transverse pipe (82) and the through groove (81). A second liquid outlet pipe (83) is connected between the transverse pipe (82) and the circulation pump (73).

6. The environmentally friendly collection and treatment device for die-cutting waste according to claim 5, characterized in that: The bottom of the liquid storage tank (34) is a slope, and the lowest point of the slope matches the filter box (61), and the lowest point of the filter box (61) is lower than the lowest point of the slope.

7. The environmentally friendly collection and treatment device for die-cutting waste according to claim 6, characterized in that: Also included is a filter screen cleaning device (9), which includes: an air pressure sensor mounted on the inner wall of the second chamber (312) for detecting the pressure value in the second chamber (312); A cleaning tank (91) is provided on a side of the middle plate (33) close to the first chamber (311) and is in communication with the through groove (81), and the cleaning tank (91) matches the highest point of the filter plate (35); A switching plate (92) is rotatably disposed inside the through slot (81) and matches the cleaning slot (91); The telescopic rod (93) is installed in the second chamber (312), and its output end passes through the middle plate (33) and is movably connected to the switching plate (92). When the air pressure sensor detects that the pressure value in the second chamber (312) gradually decreases or returns to atmospheric pressure, the telescopic rod (93) drives the switching plate (92) to rotate.

8. The environmentally friendly collection and treatment device for die-cutting waste according to claim 7, characterized in that: A solenoid valve is provided between the first liquid outlet pipe (74) and the second liquid outlet pipe (83).

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