Filtering device of powder shaking machine

Abstract

The invention relates to a filtering device of a powder shaking machine. The filtering device of the powder shaking machine is mounted at the tail end of purifying and collecting equipment and comprises a runner pipe, a plurality of filtering plates and a collecting bowl, the runner pipe comprises a vertical pipe and a transverse pipe which are communicated with each other; the transverse pipe is arranged at the lower part of the vertical pipe; the filter discs are uniformly distributed along the axial direction of the vertical pipe; each filter disc is provided with a filter hole; edges of the filter discs are connected with inner walls of the vertical pipes; the upper end of the vertical pipe is connected with the output end of purifying and collecting equipment; collecting bowls are detachably connected to the lower ends of the vertical pipes. Oil mist in tail gas of built-in purification and collection equipment is cooled and condensed through the vertical pipe and the filter disc which are simple and compact in structure, and then the oil mist is concentrated into the collection bowl; after the tail gas is cooled and condensed for multiple times, the oil mist content is greatly reduced, and finally safe gas is discharged from the vertical pipe, so that physical and psychological health of workers and popularization and application of built-in purification and collection equipment are facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of filter accessories for powder shaking machines, and particularly to a filter device for a powder shaking machine. Background Art

[0002] The filter device for a powder shaking machine refers to a device for filtering the oil fume generated in a drying chamber. The oil fume generated in the drying chamber includes a large amount of moisture and oil fume, both of which are derived from printing ink. After the printing ink enters the drying chamber along with the printing medium, the drying chamber transfers heat to the printing medium for drying. After receiving a part of the heat, the moisture and ink in the printing ink will quickly vaporize to generate water vapor and oil mist respectively. These water vapor and oil mist are mixed together to form harmful gases; these harmful gases are discharged to the outside of the powder shaking machine and inhaled into the lungs by the staff, damaging the health of the staff. In order to protect the staff, existing powder shaking machines are specifically designed with corresponding purification and collection devices for these harmful gases. In the prior art, the patent for the air purification system after drying with the authorization announcement number CN221131030U and the patent for the oil stain collection mechanism for a heat transfer printing powder shaking and drying integrated machine with the authorization announcement number CN215620914U can respectively represent two directions of the existing purification and collection devices: the patent with the authorization announcement number CN221131030U is a purification and collection device built into the powder shaking machine; the patent with the authorization announcement number CN215620914U is an external purification and collection device. Generally, due to space limitations, the built-in purification and collection device is inferior to the external purification and collection device in terms of purification effect; the tail gas after being processed by the built-in purification and collection device still contains oil mist, which is harmful to the human body. However, for the external purification and collection device, the customer needs to purchase the external purification and collection device after purchasing the powder shaking machine, and still has to connect and assemble it, which is very troublesome and not conducive to the popularization and application of the purification and collection device. The prior art lacks technical means to improve the quality of the tail gas of the built-in purification and collection device. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems and provide a filter device for a powder shaking machine.

[0004] The technical solution of the present invention is as follows: A powder shaking machine filtering device is installed at the end of the purification and collection equipment, and includes a circulation pipe, several filter discs and a collection bowl; the circulation pipe is used for the circulation of the tail gas discharged from the built-in purification and collection equipment in the powder shaking machine filtering device; the filter discs cooperate with the pipe wall of the vertical pipe to process the tail gas, so that the oil mist therein condenses on the filter plate and the pipe wall of the vertical pipe for oil mist separation; the collection bowl is used to collect the separated oil liquid; the circulation pipe includes a vertical pipe and a horizontal pipe that are connected to each other; the horizontal pipe is arranged at the lower part of the vertical pipe; the filter discs are evenly distributed along the axial direction of the vertical pipe; each filter disc is provided with filter holes; the edge of the filter disc is in contact with the inner wall of the vertical pipe; the filter disc divides the interior of the vertical pipe into cavities arranged along the axial direction of the vertical pipe; adjacent cavities are communicated through the filter holes, and the adjacent cavities are stacked up and down; the upper end of the vertical pipe is connected to the output end of the purification and collection equipment; the tail gas discharged from the built-in purification and collection equipment enters from the end of the horizontal pipe; when the tail gas is inside the cavity, it will come into contact with the filter plate and the inner wall of the vertical pipe for heat exchange, and oil droplets will condense; when enough oil liquid condenses, the oil liquid will slowly slide down along the vertical pipe, pass through the filter holes and reach the lower end of the vertical pipe through each cavity; a collection bowl is detachably connected to the lower end of the vertical pipe; so the collection bowl can be used to collect the oil liquid in the tail gas; the collection bowl is detachably connected to the lower end of the vertical pipe for the convenience of assembling the powder shaking machine filtering device and also for the convenience of cleaning the interior of the powder shaking machine filtering device.

[0005] Preferably, the filter holes include through hole A and through hole B; through hole A is arranged at the axial center position of the vertical pipe; through hole B is distributed circumferentially around through hole A; inside the vertical pipe, the oil liquid condensed at various positions can be discharged downward through the filter holes, and it also ensures that the tail gas enters each cavity evenly.

[0006] Preferably, the powder shaking machine filtering device further includes mounting screws; an installation ring A extends outward from the lower end surface of the vertical pipe; an installation ring B extends outward from the position of the bowl mouth of the collection bowl; cylindrical bosses are circumferentially distributed on the installation ring A; mounting screw holes are coaxially provided on the cylindrical bosses; mounting through holes are circumferentially distributed on the installation ring; the mounting through holes and the mounting screw holes are correspondingly matched; the mounting screws pass through the mounting through holes from bottom to top and are in threaded cooperation with the mounting screw holes; the powder shaking machine filtering device realizes detachable connection through the threaded cooperation of the mounting screws and the mounting screw holes, which is convenient for assembly and later cleaning.

[0007] Preferably, the powder shaking machine filtering device further includes several connecting bars; the connecting bars are circumferentially distributed around the axial center of the vertical pipe; each connecting bar is connected to the side surface of each filter disc; the connecting bars connect the filter discs into one body, strengthen the structural strength, keep a suitable distance between any adjacent filter discs, ensure that the tail gas can be cooled and the oil liquid can be condensed at the same level in each cavity, and guarantee the filtering effect of the powder shaking machine filtering device.

[0008] Furthermore, the circumferential side surface of the filter disc is evenly distributed with buckle grooves corresponding to the connecting bars; the connecting bars are buckled into the buckle grooves; the buckle grooves can reduce the gap between the filter disc and the inner wall of the vertical pipe due to the connecting bars, ensuring that only the adjacent cavities can communicate through the filter holes, and guaranteeing the filtering effect of the powder shaking machine filtering device.

[0009] Furthermore, the buckle grooves are arranged staggeredly with the through hole B, ensuring that there are no new holes or grooves on the filter plate between the buckle grooves and the hole A, which may damage the structural strength, and guaranteeing the supporting strength of the filter plate.

[0010] Furthermore, a support ring is vertically connected to the lower end of the connecting bar to support the connecting bar and increase the end stability of the connecting bar; the support ring is coaxially arranged with the vertical pipe; through holes are distributed on the circumference of the support ring; the middle part of the mounting screw passes through the through hole, thereby increasing the limit on the filter disc to increase the position stability of the filter disc and guaranteeing the smooth migration of the tail gas.

[0011] Furthermore, the setting position of the through hole corresponds to the setting position of the connecting bar, which is beneficial to the transmission of force and guarantees the position of the filter disc.

[0012] Furthermore, the support ring is provided with a slot corresponding to and matching the lower end of the connecting bar; the lower end of the connecting bar is inserted into the slot to guarantee the perpendicular connection relationship between the support ring and the connecting bar.

[0013] Preferably, an oil discharge pipe is provided at the center of the bottom of the collection bowl to facilitate the discharge of oil.

[0014] Furthermore, the setting position of the horizontal pipe corresponds to the setting position of the lowermost filter disc; generally, in order to ensure the filtering effect of the powder shaking machine filtering device, 1 to 2 more filter discs are designed than the actual requirement.

[0015] Furthermore, the inner wall of the support ring extends inwardly and does not exceed the through hole B to ensure that the condensed oil can smoothly drip into the collection bowl through the filter holes.

[0016] The beneficial effects of the present invention are as follows: The powder shaking machine filtering device of the present invention has the following advantages: (1) The present invention cools and condenses the oil mist in the tail gas with an internal purification and collection device through a simple and compact vertical pipe and filter disc, and then concentrates it in the collection bowl; after the tail gas is cooled and condensed multiple times, the oil mist content is greatly reduced, and finally the safe gas is discharged from the vertical pipe, which is beneficial to the physical and mental health of the staff and the popularization and application of the internal purification and collection device; (2) The support ring of the present invention increases the limit on the filter disc to increase the position stability of the filter disc and guarantee the smooth migration of the tail gas. Description of the Drawings

[0017] Figure 1is a perspective view of the powder shaking machine filtering device of the present invention; Figure 2 is a sectional perspective view of the powder shaking machine filtering device of the present invention; Figure 3 is a perspective view of the filter rack; Figure 4 is a physical diagram of the present invention; In the figure: 1. Flow pipe, 11. Vertical pipe, 111. Installation ring A, 1111. Cylindrical boss, 11111. Installation screw hole, 12. Horizontal pipe, 2. Filter disc, 21. Filter hole, 211. Through hole A, 212. Through hole B, 22. Buckle groove, 3. Collection bowl, 31. Installation ring B, 32. Oil discharge pipe, 4. Installation screw, 5. Connecting strip, 51. Support ring, 511. Through hole, 512. Slot. Specific implementation mode

[0018] Example 1: Example 1: Refer to Figures 1-3 , a powder shaking machine filtering device is installed at the end of the purification and collection equipment, including a flow pipe 1, a plurality of filter discs 2 and a collection bowl 3; the flow pipe 1 is used for the circulation of the tail gas discharged from the built-in purification and collection equipment in the powder shaking machine filtering device; the filter disc 2 cooperates with the wall of the vertical pipe 11 to treat the tail gas, so that the oil mist therein condenses on the filter plate and the wall of the vertical pipe 11 for oil mist separation; there are 5 filter discs 2 in this embodiment; the collection bowl 3 is used to collect the separated oil; the flow pipe 1 includes a vertical pipe 11 and a horizontal pipe 12 that are interconnected; the horizontal pipe 12 is arranged at the lower part of the vertical pipe 11; the filter discs 2 are evenly distributed along the axial direction of the vertical pipe 11; each filter disc 2 is provided with a filter hole 21; the edge of the filter disc 2 is in contact with the inner wall of the vertical pipe 11; the filter disc 2 divides the inside of the vertical pipe 11 into cavities arranged along the axial direction of the vertical pipe 11; adjacent cavities are communicated through the filter hole 21, and adjacent cavities are stacked up and down; the upper end of the vertical pipe 11 is connected to the output end of the purification and collection equipment; the tail gas discharged from the built-in purification and collection equipment enters from the end of the horizontal pipe 12; when the tail gas is inside the cavity, it will be in contact with the filter plate and the inner wall of the vertical pipe, and heat exchange will occur to condense oil droplets; when enough oil is condensed, the oil will slowly slide down along the vertical pipe 11, pass through each cavity through the filter hole 21 and reach the lower end of the vertical pipe 11; a collection bowl 3 is detachably connected to the lower end of the vertical pipe 11; so the collection bowl 3 can be used to collect the oil in the tail gas; the collection bowl 3 is detachably connected to the lower end of the vertical pipe 11 for the convenience of assembling the powder shaking machine filtering device and for the convenience of cleaning the inside of the powder shaking machine filtering device.

[0019] Compared with the prior art, the present invention uses a vertical pipe 11 and a filter plate 2 with a simple and compact structure to cool and condense the oil mist in the exhaust gas of the built-in purification and collection equipment, and then concentrate it in the collection bowl 3; after the exhaust gas is cooled and condensed for multiple times, the oil mist content is greatly reduced, and finally safe gas is discharged from the vertical pipe 11, which is beneficial to the physical and mental health of the staff and the promotion and application of the built-in purification and collection equipment.

[0020] The filter hole 21 includes a through hole A 211 and a through hole B 212; the through hole A 211 is arranged at the axial center of the vertical pipe 11; the through holes B 212 are distributed around the circumference of the through hole A 211; inside the vertical pipe 11, the oil condensed at various positions can be discharged downward through the filter hole 21, and the exhaust gas is ensured to enter each cavity evenly.

[0021] The powder shaking machine filtering device also includes a mounting screw 4; a mounting ring 111 extends outward from the lower end surface of the vertical pipe 11; a mounting ring 31 extends outward from the mouth of the collecting bowl 3; cylindrical bosses 1111 are distributed circumferentially on the mounting ring 111; the cylindrical boss 1111 is coaxially provided with a mounting screw hole 11111; mounting through holes are distributed circumferentially on the mounting ring; the mounting through holes correspond to and match the mounting screw holes 11111; the mounting screws 4 pass through the mounting through holes from bottom to top and are threadedly engaged with the mounting screw holes 11111; the powder shaking machine filtering device achieves a detachable connection through the threaded engagement of the mounting screws 4 and the mounting screw holes 11111, which is convenient for assembly and later cleaning.

[0022] The powder shaking machine filter device also includes a plurality of connecting strips 5; the connecting strips 5 are distributed around the axis of the vertical pipe 11; each connecting strip 5 is connected to the side of each filter disc 2; the connecting strips 5 connect the filter discs 2 into one, strengthen the structural strength, and maintain a suitable spacing between any adjacent filter discs 2, ensuring that the exhaust gas can receive the same level of cooling and oil condensation in each cavity, thereby ensuring the filtering effect of the powder shaking machine filter device; there are 3 connecting strips 5 in this embodiment.

[0023] Buckle grooves 22 corresponding to the connecting strips 5 are evenly distributed on the circumferential side of the filter disc 2; the connecting strips 5 are buckled into the buckle grooves 22; the buckle grooves 22 can reduce the gap between the filter disc 2 and the inner wall of the vertical pipe 11 due to the connecting strips 5, ensuring that the adjacent cavities can only flow through the filter holes 21, thereby ensuring the filtering effect of the powder shaking machine filtering device.

[0024] The buckle groove 22 and the through hole B 212 are staggered to ensure that there are no new holes or grooves on the filter plate between the buckle groove 22 and the hole A, which are features that will destroy the structural strength, thereby ensuring the supporting strength of the filter plate.

[0025] A support ring 51 is vertically connected to the lower end of the connecting bar 5 to support the connecting bar 5 and increase the stability of the end of the connecting bar 5; the support ring 51 is coaxially arranged with the vertical pipe 11; through holes 511 are distributed circumferentially on the support ring 51; the middle part of the mounting screw 4 passes through the through holes 511, thereby increasing the limit on the filter disc 2 to increase the position stability of the filter disc 2 and ensure the smooth migration of the tail gas.

[0026] The setting position of the through holes 511 corresponds to the setting position of the connecting bar 5, which is beneficial to the transmission of force and ensures the position of the filter disc 2.

[0027] The support ring 51 is provided with a slot 512 that matches and corresponds to the lower end of the connecting bar 5; the lower end of the connecting bar 5 is inserted into the slot 512 to ensure the vertical connection relationship between the support ring 51 and the connecting bar 5.

[0028] An oil discharge pipe 32 is provided at the center of the bottom of the collection bowl 3 to facilitate the discharge of oil.

[0029] The setting position of the horizontal pipe 12 corresponds to the setting position of the lowermost filter disc 2; generally, in order to ensure the filtering effect of the powder shaking machine filtering device, 1 to 2 more filter discs 2 are designed than the actual requirement.

[0030] The working principle of this embodiment: The tail gas discharged from the built-in purification and collection device enters from the end of the horizontal pipe 12; when the tail gas is inside the cavity, it will contact the filter plate and the inner wall of the vertical pipe to perform heat exchange and condense into oil droplets; when enough oil is condensed, the oil will slowly slide down along the vertical pipe 11, pass through the filter holes 21 and pass through each cavity, and reach the lower end of the vertical pipe 11; the collection bowl 3 can be used to collect the oil in the tail gas; the collection bowl 3 is detachably connected to the lower end of the vertical pipe 11 to facilitate the assembly of the powder shaking machine filtering device and also to facilitate the cleaning of the inside of the powder shaking machine filtering device.

[0031] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the same parts will not be described again. The difference is that the inner wall of the support ring 51 extends inward, not exceeding the through hole B 212, to ensure that the condensed oil drops smoothly into the collection bowl 3 from the filter holes 21.

Claims

1. A powder shaking machine filtering device, characterized in that, It is installed at the end of the purification and collection equipment, including a circulation pipe, several filter plates and a collection bowl; the circulation pipe includes a vertical pipe and a horizontal pipe that are interconnected; the horizontal pipe is arranged at the lower part of the vertical pipe; the filter plates are evenly distributed along the axial direction of the vertical pipe; each filter plate is provided with filter holes; the edge of the filter plate is connected to the inner wall of the vertical pipe; the upper end of the vertical pipe is connected to the output end of the purification and collection equipment; the lower end of the vertical pipe is detachably connected to the collection bowl.

2. The powder shaking machine filtering device according to claim 1, characterized in that: The filtering holes include through hole A and through hole B; through hole A is arranged at the axis center of the vertical tube; and through holes B are distributed around the circumference of through hole A.

3. The powder shaking machine filtering device according to claim 1, wherein: It also includes mounting screws; a mounting ring A extends outward from the lower end surface of the vertical tube; a mounting ring B extends outward from the mouth of the collecting bowl; cylindrical bosses are distributed circumferentially on the mounting ring A; mounting screw holes are coaxially provided on the cylindrical bosses; mounting through holes are distributed circumferentially on the mounting ring; the mounting through holes correspond to and match the mounting screw holes; the mounting screws pass through the mounting through holes from bottom to top and cooperate with the threads of the mounting screw holes.

4. The powder shaking machine filtering device according to any one of claims 1-3, characterized in that: It also includes a plurality of connecting strips, which are distributed around the circumference of the vertical pipe axis, and each connecting strip is connected to the side of each filter disc.

5. The powder shaking machine filtering device according to claim 4, wherein: Buckle grooves corresponding to the connecting strips are evenly distributed on the circumferential side of the filter disc; the connecting strips are buckled into the buckle grooves.

6. The powder shaking machine filtering device according to claim 5, wherein: The buckle groove and through hole B are staggered.

7. The powder shaking machine filtering device according to claim 4, characterized in that: The lower end of the connecting strip is vertically connected with a supporting ring; the supporting ring is coaxially arranged with the vertical pipe; the supporting ring is circumferentially distributed with through holes; the middle of the mounting screw passes through the through holes.

8. The duster filtering device according to claim 7, characterized in that: The setting position of the through hole corresponds to the setting position of the connecting strip.

9. The powder shaking machine filtering device according to claim 7, characterized in that: The support ring is provided with a slot which matches and corresponds to the lower end of the connecting strip; the lower end of the connecting strip is inserted into the slot.

10. The powder shaking machine filtering device according to claim 1, characterized in that: An oil discharge pipe is provided at the bottom center of the collection bowl.

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