CN114932007A

CN114932007A - Dust settling and collecting device for production of environment-friendly thermosetting powder coating

Info

Publication number: CN114932007A
Application number: CN202210874766.7A
Authority: CN
Inventors: 杨勇; 刘鑫; 李磐; 陈泽昕; 胡继国
Original assignee: Jiangsu Runyang Robot Co ltd
Current assignee: Jiangsu Runyang Robot Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-08-23

Abstract

The invention discloses a dust-settling and dust-collecting device for the production of environment-friendly thermosetting powder coating, which comprises a machine body provided with an upper cavity and a lower cavity, wherein the upper end of the machine body is provided with a feed inlet communicated with a crushing cavity, the side wall of the machine body is obliquely provided with a discharge outlet communicated with the lower cavity, a driving motor is fixedly arranged outside the machine body, and the machine body is provided with a pretreatment mechanism which is driven by the driving motor and can crush the coating through the feed inlet, the crushing cavity and the upper cavity. The invention utilizes the lifting and lowering plates connected with the crushing and pressurizing piece to synchronously lift at the position of the feed inlet, utilizes the inertia of the crushing and pressurizing piece in the up-and-down moving process and the tensile acting force of a strong spring to drive the pressurizing piston to lift, and utilizes the dynamic lifting sieve plate to ensure the screening efficiency and level; the coating raw materials entering the lower cavity can be cut and crushed highly by the crushing piece, so that particle impurities are adsorbed in a centralized manner by the dust collection box, and the environmental protection and sanitation of the production of the coating raw materials are guaranteed.

Description

Dust settling and collecting device for production of environment-friendly thermosetting powder coating

Technical Field

The invention relates to the technical field of paint production, in particular to a dust settling and collecting device for the production of environment-friendly thermosetting powder paint.

Background

Thermosetting powder paint takes thermosetting resin as a film forming substance, and a curing agent which has a crosslinking reaction is added to form an insoluble and infusible hard coating after heating. Powder coatings are non-volatile solid particles with no measurable vapor pressure. Thus, the application and use of powder coatings does not generate any volatile vapours, except in exceptional cases where certain blocking agents, and certain products of the setting reaction, may be released during the curing cycle. Powder coatings are corrosive particles and thermosetting powder coatings inevitably become contaminated with a certain amount of dust during acquisition and production.

In the prior art, the adopted coating raw material processing equipment generally only has a basic crushing and smashing function, namely, the initial raw material is crushed and purified, but in the process, the crushing degree of the coating raw material is relatively high due to the structural limitation of the crushing equipment, certain impurities can be separated from the crushed coating raw material, even a certain amount of unusable dust can be generated, if the dust impurities with hard texture can not be completely separated and cleaned, the purity of the coating raw material can be greatly reduced, and the product quality and the using effect of the thermosetting powder coating can be reduced after the raw material is used for preparing the coating; in addition, due to the defects of precision and tightness of the coating raw material processing equipment, dust impurities generated in the processing process can cause large-scale diffusion, the environmental sanitation quality can be influenced, and the special attributes of the thermosetting powder can cause damage to human bodies.

Disclosure of Invention

The invention aims to solve the problem that environmental protection management is difficult to carry out in the production process of thermosetting powder coatings in the prior art, and provides a dust settling and collecting device for the production of the environment-friendly thermosetting powder coatings.

In order to achieve the purpose, the invention adopts the following technical scheme:

dust fall dust collecting device is used in production of environment-friendly thermosetting powder coating, including the organism of seting up epicoele and cavity of resorption, set up the broken chamber that is linked together with the epicoele in the organism upper end, and organism top position sets up the feed inlet that is linked together with broken chamber, the discharge gate that is linked together with the cavity of resorption is seted up to organism lateral wall position slope, the external fixed mounting of organism has driving motor, the organism is provided with by driving motor drive and can carry out the preliminary treatment mechanism of crushing operation to coating through feed inlet, broken chamber and epicoele, and the organism is provided with through the cavity of resorption and constructs by preliminary treatment mechanism transmission drive and can sieve the depths reason mechanism that removes dust to coating.

Preferably, the upper chamber and the lower chamber are arranged in the machine body from top to bottom, the upper chamber is communicated with the lower chamber, the crushing chamber is of a boss structure, and a discharge port is arranged on a discharge platform extending out of the machine body.

Preferably, pretreatment mechanism includes and installs the first pivot in the organism with driving motor output end fixed connection and rotation, and fixed cover is equipped with the pressure boost cam in the first pivot, an organic whole is connected with the bearing truss that is located the intracavity in the organism, the slip cap is equipped with the crane that offsets with the pressure boost cam activity in the bearing truss, an organic whole is connected with the broken pressure boost piece with broken chamber looks adaptation on the crane, fixedly connected with telescopic link on the broken pressure boost piece, and an organic whole is connected with the lift clamp plate that is arranged in the feed inlet on the telescopic link, broken pressure boost piece is provided with the subassembly that sieves that can carry out preliminary screening to coating through the epicoele.

Preferably, the first rotating shaft is horizontally arranged in the upper cavity, the crushing pressurizing member is movably sleeved in the crushing cavity, and the pressure increasing and reducing plate is connected with the upper end of the telescopic connecting rod extending out of the crushing cavity.

Preferably, the sieving assembly comprises a special-shaped cavity channel which is arranged in the crushing pressurizing piece and filled with a water body, a strong spring and a driving pressurizing piston which are fixedly connected are respectively arranged in the middle of the special-shaped cavity channel, a driven telescopic piston matched with the driving pressurizing piston is slidably sleeved at the left end and the right end of the special-shaped cavity channel, the driven telescopic piston extends out of the special-shaped cavity channel, a bearing support is connected to the lower end of the driven telescopic piston, and a lifting sieve plate is fixedly sleeved on the bearing support.

Preferably, the special-shaped cavity is of an inverted-mountain-shaped structure, the strong spring is longitudinally welded in the special-shaped cavity, the driving pressurizing piston is slidably sleeved in the special-shaped cavity, the water body is filled between the driving pressurizing piston and the driven telescopic piston, and the lifting sieve plate is longitudinally slidably sleeved in the upper cavity.

Preferably, deep processing mechanism is including fixed the fixed sieve that sets up intracavity under the organism, and rotates respectively in organism and the fixed sieve and install second pivot and crushing piece, be connected with the drive belt between first pivot and the second pivot, and on second pivot and the crushing piece key-type connection respectively have drive gear and driven gear that the meshing is connected, the second pivot extends the outer end body coupling in cavity of resorption and has the drive roller, and organism lower extreme position fixed mounting has the dust collection box that extends to the intracavity down, a body coupling has the purification filter screen in the dust collection box, and slides in the dust collection box and overlap and be equipped with the negative pressure piece of pulling by the drive roller activity, be connected with dust absorption pipeline and exhaust duct on the dust collection box respectively.

Preferably, the second pivot level sets up in the cavity down, and the rubbing crusher is vertical to be set up in cavity down upper end, the drive roller outer curved surface position is seted up the traction ring groove that the casting die one end was established to the slip cap, the output that dust absorption pipeline connects the dust collection box is located between casting die and the purification filter screen, and the input that exhaust duct connects the dust collection box is located purification filter screen outside position.

Compared with the prior art, the invention has the following advantages:

1. the crushing device is characterized in that a crushing cavity and a feeding hole which are sequentially communicated with an upper cavity are formed in a machine body, a first rotating shaft which is directly driven to rotate by a driving motor is arranged in the upper cavity, a pressurizing cam on the first rotating shaft supports a crushing pressurizing piece to repeatedly lift in the crushing cavity so as to be matched with the pressurizing cavity to extrude and crush dust-containing granular coating raw materials, and meanwhile, a pressure lifting and reducing plate connected with the crushing pressurizing piece is used for synchronously lifting at the position of the feeding hole so as to press and crush large raw materials entering the crushing cavity through the feeding hole.

2. According to the invention, the inverted-Y-shaped special-shaped cavity channel is formed in the crushing pressurizing part, the pressurizing piston is driven to lift by utilizing the inertia and the tensile acting force of the strong spring in the vertical moving process of the crushing pressurizing part so as to enable a water body to flow back and forth, and the lifting sieve plate is driven to be in a dynamic sieving state in the upper cavity by utilizing the driven telescopic piston, so that the sieving of the coating raw materials is accelerated.

3. The second rotating shaft and the crushing piece which are driven by the first rotating shaft in a transmission mode are arranged in the lower cavity, the crushing piece can be used for highly cutting and crushing the coating raw materials entering the lower cavity, and meanwhile the driving roller provided with the traction ring groove is used for driving the negative pressing piece to repeatedly stretch and retract in the dust collection box, so that particle impurities in the lower cavity of the machine body are uniformly adsorbed by the change of air pressure in the dust collection box, and environment-friendly dust falling treatment is achieved.

In conclusion, the invention utilizes the pressure rising and reducing plate connected with the crushing pressurizing piece to synchronously lift at the position of the feeding hole so as to pressurize and crush large raw materials entering the crushing cavity through the feeding hole, and utilizes the pressurizing cam to support the crushing pressurizing piece to repeatedly lift in the crushing cavity so as to be matched with the pressurizing cavity to extrude and crush the coating raw materials; inertia in the up-and-down moving process of the crushing pressurizing piece and the stretching acting force of a strong spring are utilized to drive the pressurizing piston to lift, and a dynamic lifting sieve plate is utilized to ensure the sieving efficiency and the level; utilize the crushing piece can carry out high cutting to the coating raw materials that gets into the intracavity down and smash, utilize the drive roller to drive the negative pressure piece and stretch out and draw back in the dust collection box repeatedly to utilize the dust collection box to carry out centralized absorption to particle impurity, guarantee the environmental protection health of coating raw materials production.

Drawings

FIG. 1 is a schematic structural view of a dust settling and collecting device for the production of an environmentally friendly thermosetting powder coating provided by the present invention;

FIG. 2 is a schematic side sectional view of a dust settling and collecting device for the production of an environmentally friendly thermosetting powder coating proposed by the present invention;

FIG. 3 is a schematic front cross-sectional view of a dust settling and collecting device for the production of an environmentally friendly thermosetting powder coating proposed by the present invention;

FIG. 4 is an enlarged schematic view of part A of a dust-settling dust-collecting apparatus for environmental-friendly thermosetting powder coating production according to the present invention;

FIG. 5 is an enlarged schematic view of part B of a dust settling and collecting apparatus for environmental protection thermosetting powder coating production according to the present invention;

FIG. 6 is a side view of a dust-settling dust-collecting device for the production of environmental-friendly thermosetting powder coating provided by the invention.

In the figure: 1. a body; 2. a crushing chamber; 3. a feed inlet; 4. a discharge port; 5. a drive motor; 6. a load-bearing truss; 7. a first rotating shaft; 8. a boost cam; 9. a lifting frame; 10. crushing the pressurizing piece; 11. a telescopic link; 12. a voltage rising and falling plate; 13. a special-shaped cavity channel; 14. a strong spring; 15. driving a booster piston; 16. a driven telescopic piston; 17. a load bearing support; 18. lifting the sieve plate; 19. fixing the sieve plate; 20. a second rotating shaft; 21. a pulverization element; 22. a transmission belt; 23. a drive gear; 24. a driven gear; 25. a drive roller; 26. a dust collection box; 27. purifying a filter screen; 28. a traction ring groove; 29. a negative pressure piece; 30. a dust collection duct; 31. an exhaust duct; 32. a discharge platform.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, the dust settling and collecting device for environment-friendly thermosetting powder coating production comprises a body 1 having an upper chamber and a lower chamber, the body 1 is of a vertical cabinet structure, a crushing chamber 2 communicating with the upper chamber is formed in the upper end of the body 1, a feed inlet 3 communicating with the crushing chamber 2 is formed at the top end of the body 1, a discharge outlet 4 communicating with the lower chamber is formed at the side wall of the body 1 in an inclined manner, further, as shown in the accompanying drawing 2 of the specification, the upper chamber and the lower chamber are formed in the body 1 from top to bottom, the upper chamber is communicated with the lower chamber, the crushing chamber 2 is of a boss structure, preferably, the crushing chamber 2 can be of an inverted funnel structure, the crushing pressurizing member 10 is of a circular truncated cone structure matched with the crushing chamber 2, the dust-containing coating raw material is pressurized and crushed by using the relative lifting between the two, and a discharge platform 32 extending out of the body 1 is formed at the discharge outlet 4, the discharging platform 32 can be obliquely arranged, so that clean coating raw materials meeting the precision standard are automatically discharged.

A driving motor 5 is fixedly arranged outside the machine body 1, the driving motor 5 adopts a servo motor with the product model of HC-SFS53, a pretreatment mechanism which is driven by the driving motor 5 and can crush the coating is arranged on the machine body 1 through the feed inlet 3, the crushing cavity 2 and the upper cavity, and the machine body 1 is provided with a deep processing mechanism which is driven by the pre-processing mechanism through a lower cavity and can screen and remove dust for the coating, and it should be noted that the coating raw material is in a large solid state initially and because the coating raw material contains a part directly obtained from the nature, so that certain impurities are inevitably doped, the initial massive coating raw materials can be crushed by the pretreatment mechanism, the crushed coating raw materials can be deeply crushed by the deep treatment mechanism, meanwhile, dust impurities with slight texture are adsorbed and collected, so that the dust content in the coating raw material is reduced.

The pretreatment mechanism comprises a first rotating shaft 7 which is fixedly connected with the output end of a driving motor 5 and is rotatably arranged in the machine body 1, the first rotating shaft 7 is horizontally arranged in an upper cavity, a pressurizing cam 8 is fixedly sleeved on the first rotating shaft 7, a bearing truss 6 positioned in the upper cavity is integrally connected in the machine body 1, a lifting frame 9 which is movably abutted against the pressurizing cam 8 is slidably sleeved in the bearing truss 6, a crushing pressurizing piece 10 which is adaptive to the crushing cavity 2 is integrally connected to the lifting frame 9, the crushing pressurizing piece 10 can move up and down in the crushing cavity 2 under the intermittent pressurizing action of the pressurizing cam 8, and the crushing pressurizing piece 10 can extrude the coating raw materials in the process of abutting against the inner wall of the crushing cavity 2, so that the coating raw materials are further crushed;

fixedly connected with telescopic link 11 on broken casting die 10, and telescopic link 11 goes up the body coupling and is located the lift clamp plate 12 of feed inlet 3, broken chamber 2 is located to broken casting die 10 movable sleeve, lift clamp plate 12 is connected with telescopic link 11 and extends the upper end outside broken chamber 2, lift clamp plate 12 can exert pressure to the bold coating raw materials that is arranged in feed inlet 3 moving down the in-process, make bold coating raw materials cracked into the fritter, broken casting die 10 is provided with the subassembly that sieves that can carry out preliminary screening to coating through the epicoele.

Referring to the attached drawings 3-4 in the specification, it can be known that the sieving assembly comprises a special-shaped cavity 13 which is arranged in the crushing pressurizing piece 10 and filled with water, a strong spring 14 and a driving pressurizing piston 15 which are fixedly connected are respectively arranged in the middle of the special-shaped cavity 13, a driven telescopic piston 16 which is matched with the driving pressurizing piston 15 is slidably sleeved at the left end and the right end of the special-shaped cavity 13, a bearing bracket 17 is connected to the lower end of the driven telescopic piston 16 which extends out of the special-shaped cavity 13 through a bolt, a lifting sieve plate 18 is fixedly sleeved on the bearing bracket 17, the strong spring 14 is a tension spring, the crushing pressurizing piece 10 drives the pressurizing piston 15 to obtain acceleration due to inertia in the up-and-down moving process, so that the water in the special-shaped cavity 13 is forced to flow, the driven telescopic piston 16 is accelerated to move telescopically, the lifting sieve plate 18 is driven to move up and down, and the falling fragment coating raw materials are dynamically sieved, at the same time, the fragments which are not crushed to the standard size can enter the crushing cavity 2 again under the driving action of the lifting sieve plate 18.

The special-shaped cavity channel 13 is of an inverted-mountain-shaped structure, the strong spring 14 is longitudinally welded in the special-shaped cavity channel 13, the driving pressurizing piston 15 is slidably sleeved in the special-shaped cavity channel 13, the water body is filled between the driving pressurizing piston 15 and the driven telescopic piston 16, the lifting sieve plate 18 is longitudinally slidably sleeved in the upper cavity, the water body can repeatedly move up and down in the special-shaped cavity channel 13 under the combined action of inertia and the strong spring 14, the coating raw materials are quickly sorted by using the dynamic lifting sieve plate 18, and the blocking of the coating raw materials in the lifting sieve plate 18 due to clamping is avoided.

The deep-processing mechanism comprises a fixed sieve plate 19 fixedly arranged in a lower cavity of the machine body 1, a second rotating shaft 20 and a crushing piece 21 are respectively and rotatably arranged in the machine body 1 and the fixed sieve plate 19, a transmission belt 22 is connected between the first rotating shaft 7 and the second rotating shaft 20, a driving gear 23 and a driven gear 24 which are respectively in key connection with the second rotating shaft 20 and the crushing piece 21 and are in meshing connection with each other are respectively connected with the second rotating shaft 20 and the crushing piece 21, the driving gear 23 and the driven gear 24 are bevel gears, a driving roller 25 is integrally connected with the outer end of the second rotating shaft 20 extending out of the lower cavity, further, as can be seen in a figure 6 of the specification, the second rotating shaft 20 is horizontally arranged in the lower cavity, the crushing piece 21 is vertically arranged in the upper end of the lower cavity, a traction annular groove 28 sleeved with one end of a negative pressing piece 29 in a sliding manner is arranged at the outer curved surface of the driving roller 25, a dust collection box 26 extending into the lower cavity is fixedly arranged at the lower end of the machine body 1, and a purification filter screen 27 is integrally connected in the dust collection box 26, and the dust collection box 26 is slidably sleeved with a negative pressure part 29 movably pulled by the driving roller 25, the driving roller 25 drives the negative pressure part 29 to repeatedly extend and retract in the dust collection box 26, so as to adjust the air pressure state in the dust collection box 26, the dust collection box 26 is respectively connected with a dust collection pipeline 30 and an exhaust pipeline 31, dust impurities in the lower cavity of the machine body 1 can be adsorbed and collected by the dust collection pipeline 30, and clean air is discharged outwards through the exhaust pipeline 31 after dust particles are adsorbed by the purification filter screen 27.

The output end of the dust collection pipe 30 connected with the dust collection box 26 is located between the negative pressure part 29 and the purification filter screen 27, and the input end of the exhaust pipe 31 connected with the dust collection box 26 is located at the outer side position of the purification filter screen 27, it needs to be further explained that a check valve which can only go in and out is arranged on the dust collection pipe 30 in a matching way, and a check valve which can only go out and not go in is arranged on the exhaust pipe 31 in a matching way, so as to ensure the pressure regulating function of the negative pressure part 29.

The invention can be illustrated by the following operating modes:

putting a large volume of dust-containing coating raw material into the position of the feeding hole 3, and controlling a driving motor 5 to be started;

the output end of the driving motor 5 drives the first rotating shaft 7 to rotate, the first rotating shaft 7 drives the pressurizing cam 8 to pressurize the lifting frame 9 in the rotating process, so that the crushing pressurizing piece 10 moves up and down in the crushing cavity 2, the crushing pressurizing piece 10 drives the lifting and lowering plate 12 to move up and down at the position of the feeding hole 3 through the telescopic connecting rod 11, and accordingly large paint raw materials are extruded, and the crushed paint raw materials enter the crushing cavity 2;

the crushing pressurizing piece 10 bears the crushed coating raw materials to be abutted against the inner wall of the crushing cavity 2 in the upward moving process, further cracks are realized, and the crushed coating raw materials fall on the lifting sieve plate 18;

in the process of moving up and down, the crushing pressurizing piece 10 drives the pressurizing piston 15 to move up and down in the special-shaped cavity channel 13 due to inertia and the stretching action of the strong spring 14, so that water body is accelerated to flow back and forth in the special-shaped cavity channel 13, the driven telescopic piston 16 is extruded, the lifting sieve plate 18 is driven by the bearing support 17 to move up and down, the screening of coating raw materials is accelerated, and meanwhile, the coating raw materials which do not reach the precision standard are also driven by the lifting sieve plate 18 to move up to the position between the crushing pressurizing piece 10 and the inner wall of the crushing cavity 2;

the first rotating shaft 7 drives the second rotating shaft 20 to rotate through a transmission belt 22, the second rotating shaft 20 drives the crushing piece 21 to rotate through a driving gear 23 and a driven gear 24 which are connected in a meshed mode, so that crushed materials entering the lower cavity are cut in a rotating mode, further crushed paint raw materials are made to fall onto a discharging table 32 continuously;

in the process, the second rotating shaft 20 drives the driving roller 25 to rotate, the driving roller 25 drives the negative pressure piece 29 to move in the dust collection box 26 in a telescopic manner through the traction ring groove 28, when the negative pressure piece 29 moves backwards, the dust collection box 26 in a negative pressure state adsorbs dust in a lower cavity through the dust collection pipeline 30, when the negative pressure piece 29 moves forwards, dust-containing gas in the dust collection box 26 is purified through the purification filter screen 27, and clean air is exhausted outwards through the exhaust pipeline 31;

clean paint material is discharged outwardly through discharge station 32.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Dust fall dust collecting device is used in production of environment-friendly thermosetting powder coating, including organism (1) of seting up epicoele and cavity of resorption, its characterized in that, set up broken chamber (2) that are linked together with the epicoele in organism (1) upper end, and organism (1) top position sets up feed inlet (3) that are linked together with broken chamber (2), discharge gate (4) that are linked together with the cavity of resorption are seted up in the slope of organism (1) lateral wall position, the outer fixed mounting of organism (1) has driving motor (5), organism (1) is provided with through feed inlet (3), broken chamber (2) and epicoele and is driven by driving motor (5) and can carry out the preliminary treatment mechanism of crushing operation to coating, and organism (1) is provided with through the cavity of resorption and is driven and can carry out the depths reason mechanism that the dust removed to coating by preliminary treatment mechanism transmission.

2. The dust settling and collecting device for the environment-friendly thermosetting powder coating production as claimed in claim 1, wherein the upper chamber and the lower chamber are opened in the machine body (1) from top to bottom, the upper chamber is communicated with the lower chamber, the crushing chamber (2) is of a boss structure, and a discharge port (4) is provided with a discharge platform (32) extending out of the machine body (1).

3. The dust settling and collecting device for the production of environment-friendly thermosetting powder coating as claimed in claim 1, wherein the preprocessing mechanism comprises a first rotating shaft (7) fixedly connected with the output end of the driving motor (5) and rotatably installed in the machine body (1), a pressurizing cam (8) is fixedly sleeved on the first rotating shaft (7), a bearing truss (6) located in the upper cavity is integrally connected in the machine body (1), a lifting frame (9) movably abutted against the pressurizing cam (8) is slidably sleeved in the bearing truss (6), a crushing pressurizing piece (10) adapted to the crushing cavity (2) is integrally connected on the lifting frame (9), a telescopic connecting rod (11) is fixedly connected on the crushing pressurizing piece (10), and a pressure rising and dropping plate (12) located in the feeding hole (3) is integrally connected on the telescopic connecting rod (11), the crushing pressurizing piece (10) is provided with a sieving component capable of primarily sieving the coating through an upper cavity.

4. The environment-friendly thermosetting powder coating production dust fall and collection device of claim 3, wherein the first rotating shaft (7) is horizontally arranged in the upper chamber, the crushing pressurizing part (10) is movably sleeved in the crushing chamber (2), and the pressure rising and reducing plate (12) is connected with the upper end of the telescopic connecting rod (11) extending out of the crushing chamber (2).

5. The environment-friendly thermosetting powder coating production dust fall and collection device as claimed in claim 3, wherein the sieving assembly comprises a special-shaped channel (13) which is arranged in the crushing pressurizing piece (10) and filled with water, a strong spring (14) and a driving pressurizing piston (15) which are fixedly connected are respectively arranged in the middle of the special-shaped channel (13), driven telescopic pistons (16) which are matched with the driving pressurizing piston (15) are slidably sleeved at the left and right ends of the special-shaped channel (13), a bearing bracket (17) is connected to the lower ends of the driven telescopic pistons (16) which extend out of the special-shaped channel (13) through bolts, and a lifting sieve plate (18) is fixedly sleeved on the bearing bracket (17).

6. The dust settling and collecting device for the production of the environment-friendly thermosetting powder coating as claimed in claim 5, wherein the special-shaped cavity (13) is of an inverted-mountain-shaped structure, the strong spring (14) is longitudinally welded in the special-shaped cavity (13), the driving pressurizing piston (15) is slidably sleeved in the special-shaped cavity (13), the water body is filled between the driving pressurizing piston (15) and the driven telescopic piston (16), and the lifting sieve plate (18) is longitudinally slidably sleeved in the upper cavity.

7. The dust settling and collecting device for the environmentally-friendly thermosetting powder coating production as claimed in claim 3, wherein the deep processing mechanism comprises a fixed sieve plate (19) fixedly arranged in a lower cavity of the machine body (1), a second rotating shaft (20) and a crushing member (21) are respectively rotatably arranged in the machine body (1) and the fixed sieve plate (19), a transmission belt (22) is connected between the first rotating shaft (7) and the second rotating shaft (20), a driving gear (23) and a driven gear (24) which are respectively in key connection with the second rotating shaft (20) and the crushing member (21) are respectively in meshed connection with the second rotating shaft (20), a driving roller (25) is integrally connected with the outer end of the second rotating shaft (20) extending out of the lower cavity, a dust collection box (26) extending into the lower cavity is fixedly arranged at the lower end of the machine body (1), and a purification filter screen (27) is integrally connected in the dust collection box (26), and a negative pressure piece (29) movably pulled by the driving roller (25) is sleeved in the dust collection box (26) in a sliding manner, and a dust collection pipeline (30) and an exhaust pipeline (31) are respectively connected to the dust collection box (26).

8. The environment-friendly thermosetting powder coating production is with dust fall dust collecting device of claim 7, characterized in that, second pivot (20) level sets up in the cavity down, and rubbing crusher (21) vertical setting in the cavity down upper end, drive roller (25) camber position is seted up the traction ring groove (28) that the slip cap established burden piece (29) one end, the output that dust absorption pipeline (30) was connected dust collection box (26) is located between burden piece (29) and purification filter screen (27), and exhaust duct (31) connect the input that dust collection box (26) is located purification filter screen (27) outside position.