CN210935143U

CN210935143U - Automatic change coating screening grinder

Info

Publication number: CN210935143U
Application number: CN201921354683.5U
Authority: CN
Inventors: 石恩全
Original assignee: Yingde Bangshi Chemical Industry Co ltd
Current assignee: Yingde Bangshi Chemical Industry Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-07
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an automatic coating screening and grinding device, which comprises a bracket, a working box arranged on the bracket, a feeding cavity arranged at the upper end of the working box, a first screen structure arranged in the working box, a grinding device, a second screen structure arranged in the working box and a collecting tank arranged at the bottom end of the working box, the collecting pipe is provided with a first control valve, the collecting discharge hole is provided with a second control valve, the collecting tank is provided with a collecting vibration device, a third control valve is arranged on the material outlet, a first detection device is arranged below the material outlet, a second detection device is arranged at the lower end of the grinding device, the grinding device, the first screen structure, the second screen structure, the collecting and vibrating device, the first detection device, the second detection device, the first control valve, the second control valve and the third control valve are respectively in signal connection with a controller. Through the utility model discloses degree of automation and work efficiency can be effectively improved, operational environment is protected.

Description

Automatic change coating screening grinder

Technical Field

The utility model belongs to the coating processing field especially relates to an automatic change coating screening grinder.

Background

During the processing of the paint, the dry powder needs to be treated to make the particle size reach the required size, and then various solvents or toners are added to make the dry powder become the final paint finished product. The existing treatment process is to grind dry powder. In the grinding treatment process, dust is easy to raise into the air, and the working environment is affected, so that harm is brought to the health of workers. Meanwhile, the grinding machine is manually controlled during grinding, the automation degree is low, the grinding machine cannot automatically control equipment to work during grinding, the energy consumption is high, the working efficiency is low, the grinding quality is poor, and therefore the production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic change coating screening grinder can effectively improve degree of automation and work efficiency, protection operational environment.

To achieve the purpose, the utility model provides an automatic coating screening and grinding device, which comprises a bracket, a working box arranged on the bracket, a feeding cavity arranged at the upper end of the working box, a first screen structure arranged in the working box and connected with the inner side wall of the working box, a grinding device arranged on the working box and connected with one end of the first screen structure, a second screen structure arranged in the working box and connected with the inner side wall of the working box, and a collecting tank arranged at the bottom end of the working box, wherein the first screen structure is obliquely arranged, the opposite end of the connecting end of the first screen structure and the grinding device is arranged below the material discharge port of the feeding cavity and is high at one end below the feeding cavity, the inclined and high end of the second screen structure is arranged below the grinding device, the other end of the second screen structure is connected with a collecting pipe arranged on the side wall of the working box and used for guiding and collecting sundries, the other end of the collecting pipe, which is opposite to the connecting end of the working box, is detachably connected with the sundries collecting bag and is provided with a first control valve, the collecting tank is obliquely arranged below the first screen structure and the second screen structure, a collecting discharge hole is arranged at the bottom of the collecting tank, the collecting discharge port is detachably connected with the dry powder collecting bag and is provided with a second control valve, the collecting vibration device is arranged outside the collecting tank, a third control valve is arranged on the material discharge hole, a first detection device for detecting the falling of the dry powder is arranged below the material discharge hole, the lower extreme of grinder is provided with the second detection device that is used for detecting the dry powder whereabouts, grinder, first screen structure, second screen structure, collection vibrator, first detection device, second detection device, first control valve, second control valve and third control valve respectively with a controller signal connection.

Preferably, a second weighing device for detecting the weight of the canned dry powder in the dry powder collecting bag is arranged below the dry powder collecting bag and is in signal connection with the controller.

Preferably, a first weighing device for detecting the weight of the sundries collected in the sundries collecting bag is arranged below the sundries collecting bag and is in signal connection with the controller.

Preferably, the first screen structure comprises a screen, a support frame arranged at the edge of the screen and used for being connected with the inner side wall of the working box, and a vibration pump arranged at one end of the screen, wherein the vibration pump is in signal connection with the controller.

Preferably, the second screen structure is the same as the second control valve structure.

Preferably, the grinding device includes the grinding chamber and sets up in the grinding chamber lower extreme and set up in the grinding discharge gate of working box with being connected respectively work box and support, the grinding intracavity has set gradually from top to bottom and is used for getting into the first direction chamber of the dry powder piece direction in grinding chamber after the screening of first screen structure, is used for carrying out the first grinding kun structure that grinds for the dry powder piece for the first time, is used for carrying out the second direction chamber that leads to the dry powder after the grinding to first grinding kun structure and is used for carrying out the second grinding kun structure that grinds for the dry powder for the second time, the upper end in first direction chamber and the upper end in second direction chamber are connected with the inside wall in grinding chamber respectively, second detection device sets up in grinding discharge gate below, first grinding kun structure and second grinding kun structure are connected with the controller signal respectively.

Preferably, the first guide cavity and the second guide cavity are identical in structure and are in an inverted trapezoid shape in cross section.

Preferably, the first grinding roller structure includes two parallel grinding rollers with two ends rotatably connected to the side wall of the grinding chamber, the same ends of the two grinding rollers are provided with connecting shafts extending out of the grinding chamber through the grinding chamber, the connecting shafts are engaged with each other by a gear, the other end of any one of the connecting shafts opposite to the connecting end of the grinding roller is connected to a driving motor, the driving motor is disposed on the bracket, and the driving motor is in signal connection with the controller.

Preferably, the structure of the second polishing roller structure is the same as the structure of the first polishing roller structure and the gap between the polishing rollers in the second polishing roller structure is smaller than the gap between the polishing rollers in the first polishing roller structure.

Compared with the prior art, the utility model, its beneficial effect lies in:

the utility model discloses in filter the dry powder and carry out coordinated control through the controller through looping through first screen structure, grinder and second screen structure in the work box, can effectively improve degree of automation, effectual improvement work efficiency and product quality, protection operational environment grinding the screening and carrying out coordinated control through the controller. The utility model discloses well grinder can effectively improve the grinding effect through setting up two-stage grinding kun structure, improves product quality. The utility model discloses well screen structure can effectively improve screening efficiency through setting up the reciprocating pump. The utility model discloses in make through first detection device, second detection device's setting can detect the feeding and the grinding ejection of compact to can save energy through the work of controller control grinder, third control valve, avoid the dust to get into the air through the feeding chamber, polluted environment. The utility model discloses in through the setting of first weighing device and second weighing device for can guarantee the precision of dry powder collection bag canning and the work of the whole equipment of control, energy saving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a circuit block diagram of the present invention;

FIG. 3 is a schematic view of a first screen structure of the present invention;

FIG. 4 is a schematic view of the structure of the polishing apparatus of the present invention;

fig. 5 is a structural schematic diagram of a first grinding roller according to the present invention.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

As shown in figures 1-5, the utility model provides an automatic coating screening and grinding device, which comprises a bracket 1, a work box 3 arranged on the bracket 1, a feeding cavity 2 arranged at the upper end of the work box 3, a first screen structure 4 arranged in the work box 3 and connected with the inner side wall of the work box 3, a grinding device 5 arranged on the work box 3 and connected with one end of the first screen structure 4, a second screen structure 6 arranged in the work box 3 and connected with the inner side wall of the work box 3, and a collecting tank 8 arranged at the bottom end of the work box 3, wherein the first screen structure 4 is obliquely arranged, the opposite end of the end, connected with the grinding device 5, of the first screen structure 4 is arranged below a material discharge port 21 of the feeding cavity 2 and is arranged at a high end below the feeding cavity 2, the second screen structure 6 is obliquely arranged and is arranged at a high end below the grinding device 5, the other end of the second screen structure 6 is connected with a collecting pipe 7 which is arranged on the side wall of the working box 3 and used for guiding and collecting sundries, the other end, opposite to the connecting end of the collecting pipe 7 and the working box 3, of the collecting pipe 7 is detachably connected with a sundries collecting bag 12 and is provided with a first control valve 11, a collecting tank 8 is obliquely arranged below the first screen structure 4 and the second screen structure 6, a collecting discharge hole 81 is arranged at the bottom of the collecting tank 8, the collecting discharge hole 81 is detachably connected with a dry powder collecting bag 10 and is provided with a second control valve 9, a collecting vibration device 16 is arranged outside the collecting tank 8, a third control valve 22 is arranged on the material discharge hole 21, a first detection device 13 used for detecting the falling of dry powder is arranged below the material discharge hole 21, a second detection device 57 used for detecting the falling of the dry powder is, The second screen structure 6, the collecting and vibrating device 16, the first detecting device 13, the second detecting device 57, the first control valve 11, the second control valve 9 and the third control valve 22 are in signal connection with a controller 50, respectively. The second weighing device 15 for detecting the weight of the dry powder filled in the dry powder collecting bag 10 is arranged below the dry powder collecting bag 10, and the second weighing device 15 is in signal connection with the controller 50. A first weighing device 14 for detecting the weight of the sundries collected in the sundries collecting bag 12 is arranged below the sundries collecting bag 12, and the first weighing device 14 is in signal connection with the controller 50.

In this embodiment, the controller 50 is a PLC. The first control valve 11, the second control valve 9, and the third control valve 22 are all solenoid valves. The first detecting means 13 and the second detecting means 57 may be infrared sensors. The third control valve 22 is controlled to be closed by the controller 50 after the first detecting means 13 detects that the feeding is finished, so as to prevent the dust from flying out through the feeding chamber 2, and then the grinding means 5 is controlled to stop working by the controller 50 after the second detecting means 57 detects that the grinding of the dry powder is finished for a set time. Then, after the dry powder is added to the feeding chamber 2, the third control valve 22 and the grinding device 5 are controlled and started by the controller 50. The first weighing device 14 and the second weighing device 15 are electronic scales which can effectively control the weight of dry powder filled in the dry powder collecting bag 10 and the weight of sundries collected by the sundries collecting bag 12. When the weight of the dry powder filled in the dry powder collecting bag 10 reaches the set weight, the controller 50 controls the second control valve 9 to be closed, and a worker bundles the dry powder collecting bag 10, disassembles the dry powder collecting bag and then fills a new dry powder collecting bag 10; when the weight of the sundries collected by the sundries collecting bag 12 reaches the set weight, the controller 50 controls the first control valve 11 to be closed, and the working personnel tie up the sundries collecting bag 12, disassemble the sundries collecting bag and install a new sundries collecting bag 12, so that the dust can be prevented from floating in the air. One end of the collecting pipe 7 connected with the sundries collecting bag 12 is fixed on the bracket 1.

In this embodiment, the collecting and vibrating device 16 is a vibrating pump and is mounted on the frame 1 to effectively accelerate the collecting speed and effect. The work box 3 is sealed, and the collecting pipe 7 and the work box 3 are sealed, so that dust is prevented from floating out of the work box 3 through the connecting part between the collecting pipe 7 and the work box 3. The controller 50 can also be connected with an alarm lamp and a buzzer so as to remind workers of replacing the dry powder collecting bag 10 and the sundries collecting bag 12 and remind workers of starting and stopping the work. The dry powder collecting bag 10 and the sundries collecting bag 12 are sealed bags.

The first screen structure 4 comprises a screen 41, a support frame 42 arranged at the edge of the screen 41 and used for being connected with the inner side wall of the working box 3, and a vibration pump 43 arranged at one end of the screen 41, wherein the vibration pump 43 is in signal connection with a controller 50. The second screen structure 6 is of the same construction as the second control valve 9. In this embodiment, the support frame 42 may be detachably connected to the inner side wall of the work box 3 so as to facilitate replacement and cleaning.

The grinding device 5 comprises a grinding cavity 51 connected with the working box 3 and the bracket 1 respectively, and a grinding discharge hole 56 arranged at the lower end of the grinding cavity 51 and arranged in the working box 3, a first guide cavity 52 for guiding the dry powder blocks which enter the grinding cavity 51 after being screened by the first screen structure 4 and a first grinding roller structure 53 for grinding the dry powder blocks for the first time are sequentially arranged in the grinding cavity 51 from top to bottom, a second guiding chamber 54 for guiding the dry powder ground by the first grinding roller structure 53 and a second grinding roller structure 55 for grinding the dry powder for the second time, wherein the upper end of the first guiding chamber 52 and the upper end of the second guiding chamber 54 are respectively connected with the inner side wall of the grinding chamber 51, a second detecting device 57 is disposed below the grinding discharge port 56, and the first grinding roller structure 53 and the second grinding roller structure 55 are respectively in signal connection with the controller 50. The first guide chamber 52 and the second guide chamber 54 are identical in structure and have an inverted trapezoidal cross section.

The first polishing roller structure 53 includes two polishing rollers 531 arranged in parallel and having two ends rotatably connected to the sidewalls of the polishing chamber 51, wherein the same ends of the two polishing rollers 531 are respectively provided with a connecting shaft 535 extending out of the polishing chamber 51 through the polishing chamber 51, the connecting shafts 535 are engaged with each other through a gear 534, one end of any connecting shaft 535 opposite to the connecting end of the polishing roller 531 is connected to a driving motor 532, the driving motor 532 is disposed on the bracket 1, and the driving motor 532 is in signal connection with the controller 50. The structure of the second polishing roller structure 55 is the same as that of the first polishing roller structure 53 and the gap between the polishing rollers 531 in the second polishing roller structure 55 is smaller than the gap between the polishing rollers 531 in the first polishing roller structure 53.

In this embodiment, the pilot discharge hole at the lower end of the first pilot chamber 52 and the pilot discharge hole at the lower end of the second pilot chamber 54 are respectively disposed right above the gap of the lower polishing roller 531, and the length of each pilot discharge hole is smaller than the length of the polishing roller 531. The gap between the polishing rollers 531 in the second polishing roller structure 55 is smaller than the gap between the polishing rollers 531 in the first polishing roller structure 53, so that the polishing speed and quality can be improved for the graded polishing.

In this embodiment, during the use, add the dry powder that needs to handle into feed chamber 2, start each control valve and each screen structure and grinder 5 work through controller 50, the dry powder loops through the screening of first screen structure 4, qualified falling receives collection tank 8, unqualified entering grinder 5 carries out the hierarchical grinding then filters through second screen structure 6, qualified falling receives collection tank 8 to concentrate the collection, debris are collected in debris collection bag 12 through collecting pipe 7, and qualified dry powder is collected dry powder collection bag 10 through collecting discharge gate 81. The third control valve 22 is controlled to be closed by the controller 50 after the first detecting means 13 detects that the feeding is finished, so as to prevent the dust from flying out through the feeding chamber 2, and then the grinding means 5 is controlled to stop working by the controller 50 after the second detecting means 57 detects that the grinding of the dry powder is finished for a set time. When the weight of the dry powder filled in the dry powder collecting bag 10 reaches the set weight, the controller 50 controls the second control valve 9 to be closed, and a worker bundles the dry powder collecting bag 10, disassembles the dry powder collecting bag and then fills a new dry powder collecting bag 10; when the weight of the sundries collected by the sundries collecting bag 12 reaches the set weight, the controller 50 controls the first control valve 11 to be closed, and the working personnel tie up the sundries collecting bag 12, disassemble the sundries collecting bag and install a new sundries collecting bag 12. After the weight of the dry powder collecting bag 10 is kept constant and maintained for a set time, the whole device is controlled to stop working by the controller. The automation degree, the working efficiency and the product quality can be effectively improved.

The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed in the above teachings or as known to the person skilled in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An automatic coating screening and grinding device comprises a support (1), a working box (3) arranged on the support (1) and a feeding cavity (2) arranged at the upper end of the working box (3), and is characterized by further comprising a first screen structure (4) arranged in the working box (3) and connected with the inner side wall of the working box (3), a grinding device (5) arranged on the working box (3) and connected with one end of the first screen structure (4), a second screen structure (6) arranged in the working box (3) and connected with the inner side wall of the working box (3) and a collecting tank (8) arranged at the bottom end of the working box (3), wherein the first screen structure (4) is obliquely arranged, the other end, opposite to the connecting end of the first screen structure (4) and the grinding device (5), of the first screen structure is arranged below a material discharge hole (21) of the feeding cavity (2) and is high at one end below the feeding cavity (2), second screen structure (6) slope sets up and high one end sets up in grinder (5) below, second screen structure (6) other end with set up in work box (3) lateral wall and be used for debris direction collection collecting pipe (7) be connected, the relative other end of collecting pipe (7) and work box (3) link can be dismantled with debris collection bag (12) and be connected and be provided with first control valve (11), collecting vat (8) slope sets up in first screen structure (4) and second screen structure (6) below, collecting vat (8) bottom is provided with collects discharge gate (81), it can dismantle with dry powder collection bag (10) and be connected and be provided with second control valve (9) to collect discharge gate (81), collecting vat (8) outside is provided with collects vibrator (16), be provided with third control valve (22) on material discharge gate (21) and material discharge gate (21) below be provided with and be used for detecting The dry powder falling detection device comprises a first detection device (13) for dry powder falling, a second detection device (57) for detecting dry powder falling is arranged at the lower end of the grinding device (5), and the grinding device (5), the first screen structure (4), the second screen structure (6), the collecting vibration device (16), the first detection device (13), the second detection device (57), the first control valve (11), the second control valve (9) and the third control valve (22) are respectively in signal connection with a controller (50).

2. The automatic coating screening and grinding device of claim 1, wherein a second weighing device (15) for detecting the weight of the dry powder filled in the dry powder collecting bag (10) is arranged below the dry powder collecting bag (10), and the second weighing device (15) is in signal connection with the controller (50).

3. The automatic coating screening and grinding device of claim 1, characterized in that a first weighing device (14) for detecting the weight of the sundries collected in the sundries collecting bag (12) is arranged below the sundries collecting bag (12), and the first weighing device (14) is in signal connection with a controller (50).

4. The automated paint screening and grinding apparatus of claim 1, wherein the first screen structure (4) comprises a screen (41), a support frame (42) disposed at the edge of the screen (41) for connecting with the inner side wall of the work box (3), and a vibration pump (43) disposed at the high end of the screen (41), wherein the vibration pump (43) is in signal connection with the controller (50).

5. An automated paint screening mill apparatus according to claim 1 or 4, characterised in that the second screen structure (6) is of the same construction as the second control valve (9).

6. The automatic coating screening and grinding device of claim 1, wherein the grinding device (5) comprises a grinding chamber (51) connected to the work box (3) and the bracket (1), and a grinding discharge port (56) disposed at the lower end of the grinding chamber (51) and disposed in the work box (3), a first guide chamber (52) for guiding the dry powder blocks screened by the first screen structure (4) and entering the grinding chamber (51), a first grinding roller structure (53) for grinding the dry powder blocks for the first time, a second guide chamber (54) for guiding the dry powder ground by the first grinding roller structure (53), and a second grinding roller structure (55) for grinding the dry powder for the second time are sequentially disposed in the grinding chamber (51) from top to bottom, the upper end of the first guide chamber (52) and the upper end of the second guide chamber (54) are respectively connected to the inner side wall of the grinding chamber (51), the second detection device (57) is arranged below the grinding discharge port (56), and the first grinding roller structure (53) and the second grinding roller structure (55) are respectively in signal connection with the controller (50).

7. The automated paint screening and grinding apparatus of claim 6, wherein the first guide chamber (52) and the second guide chamber (54) are identical in structure and are each inverted trapezoidal in cross section.

8. The automatic coating screening and grinding device according to claim 6, wherein the first grinding roller structure (53) comprises two grinding rollers (531) which are arranged in parallel and have two ends rotatably connected with the side walls of the grinding cavity (51), the same ends of the two grinding rollers (531) are provided with connecting shafts (535) which penetrate through the grinding cavity (51) and extend out of the grinding cavity (51), the connecting shafts (535) are engaged with each other through gears (534), the other end of any connecting shaft (535) opposite to the connecting end of the grinding roller (531) is connected with a driving motor (532), the driving motor (532) is arranged on the bracket (1), and the driving motor (532) is in signal connection with the controller (50).

9. An automated paint screening and grinding apparatus according to claim 6, wherein the second grinding roller structure (55) has the same structure as the first grinding roller structure (53) and the gap between the grinding rollers (531) in the second grinding roller structure (55) is smaller than the gap between the grinding rollers (531) in the first grinding roller structure (53).