Grinding and stirring device used before powder coating processing

Abstract

The utility model discloses a grinding and stirring device used before powder coating processing, which relates to the technical field of grinding and stirring and comprises a primary crushing cylinder. The primary crushing cylinder is fixed to the screening plate through bolts, a plurality of filtering holes are formed in the bottom of the screening plate, and a plurality of blades are arranged on the inner side of the primary crushing cylinder. The blade is connected to a rotating shaft in a matching manner; the rotating shaft is connected with a mounted bearing mounted on the primary crushing cylinder in a matching manner; a grinding and stirring box is arranged on one side of the primary crushing barrel, and a grinding roller is arranged on the inner side of the grinding and stirring box; according to the utility model, raw materials enter the primary crushing cylinder, and the rotating shaft drives the blades to rotate, so that the raw materials which are far away from primary crushing and can penetrate through the filtering holes of the screening plate can enter the grinding and stirring box, are further ground through the grinding roller and are stirred at the bottom of the grinding and stirring box, and the use is more convenient.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of grinding and stirring, in particular to a grinding and stirring device before powder coating processing. Background Art

[0002] Powder coating is a solvent-free, 100% solid powder coating, which has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of coating film. The coating is made of special resin, pigment, filler, curing agent and other additives, mixed in a certain proportion, and then prepared by hot extrusion, crushing and screening.

[0003] China Utility Model Publication No. CN 211274840 U discloses a powder coating solid grinding device, comprising a housing, a stirring box is fixedly connected to the upper side wall of the housing, a stirring mechanism is arranged in the stirring box, a first discharge pipe is fixedly connected to the lower side wall of the stirring box, a connecting rod is rotatably connected to the lower side wall of the stirring box, a grinding roller is rotatably connected to the lower end of the connecting rod, an adjusting mechanism for adjusting the grinding roller is arranged in the housing, the adjusting mechanism and the stirring mechanism are connected by a transmission mechanism, a fixing plate is fixedly connected to the bottom of the housing, and a screen is fixedly connected between the fixing plate and the left side wall of the housing;

[0004] The above-mentioned solid grinding device for powder coating performs preliminary crushing and then grinds it through a grinding roller. After grinding, the uniformity of the crushed powder coating cannot be guaranteed and it needs to be stirred again. For this reason, we provide a grinding and stirring device before powder coating processing, which performs preliminary crushing through a blade, and then transports it to a grinding and stirring box through a conveyor belt for grinding, and then stirs it. While ensuring crushing, the uniformity of stirring is guaranteed, which effectively compensates for the above-mentioned problem. Utility Model Content

[0005] The utility model aims to provide a grinding and stirring device for powder coating before processing, so as to solve the problems raised in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A grinding and stirring device before powder coating processing, including a primary crushing cylinder; the primary crushing cylinder is fixed to a screening plate by bolts, a plurality of filter holes are opened at the bottom of the screening plate, and a plurality of blades are arranged on the inner side of the primary crushing cylinder; the blades are cooperatively connected to a rotating shaft, and the rotating shaft is cooperatively connected to a bearing with a seat installed on the primary crushing cylinder; a grinding and stirring box is arranged on one side of the primary crushing cylinder, and a grinding roller is arranged on the inner side of the grinding and stirring box.

[0008] As a further technical solution of the utility model, two grinding rollers are provided, and the two grinding rollers are connected with the bearing seat installed on the grinding and mixing box; two auger rollers are provided below the two grinding rollers, and the two auger rollers are connected with the bearing seat installed on the grinding and mixing box.

[0009] As a further technical solution of the utility model, one end of the two grinding rollers and the two auger rollers are respectively connected with a gear, and the gears on the two grinding rollers and the gears on the two auger rollers are respectively meshed and connected; the two grinding rollers and one of the two auger rollers and the auger roller are respectively connected with a drive motor, which is fixed to the grinding and mixing box by bolts.

[0010] As a further technical solution of the utility model, the screening plate is fixed to the frame by bolts, and a conveyor belt is installed on the frame, and a V-shaped opening is provided on one side of the conveyor belt for facilitating the grinding and mixing box to receive materials.

[0011] As a further technical solution of the utility model, a feed outlet is provided at the bottom of the grinding and mixing box.

[0012] As a further technical solution of the utility model, the top of the rotating shaft is connected with the driving shaft of the crushing motor, the crushing motor is fixed to the primary crushing cylinder by bolts, and a feeding port is provided on one side of the primary crushing cylinder.

[0013] As a further technical solution of the utility model, a material baffle plate is provided below the discharge port, which is fixed on the support arm, and the support arm is movably connected to the hinge; the hinge is fixed to one side of the discharge port; one end of the support arm connected to the hinge is also movably connected to a fisheye joint; and the fisheye joint is installed on the cylinder; the other end of the cylinder is movably connected to the frame.

[0014] As a further technical solution of the utility model, it also includes a recovery hopper, wherein an auger roller is provided inside the recovery hopper, and a feeding motor is installed at the lower end of the auger roller; the upper end of the auger roller is connected to the primary crushing cylinder;

[0015] The screening plate is also provided with comb teeth at one end close to the grinding and mixing box, and a plurality of the comb teeth are arranged in a rectangular array.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. In the utility model, the raw materials enter the primary crushing cylinder, and the rotating shaft drives the blade to rotate, so that the raw materials that are far away from the primary crushing and can pass through the filter holes of the sieve plate can enter the grinding and mixing box, and are further ground by the grinding roller and stirred at the bottom of the grinding and mixing box, which is more convenient to use;

[0018] 2. In the utility model, two driving motors respectively drive the connected grinding roller and auger roller to rotate, and with the cooperation of gears, provide power for grinding with the grinding roller and stirring with the auger roller;

[0019] 3. In the utility model, the raw materials falling on the screening plate will be transported to the grinding and mixing box by the conveyor belt, and the V-shaped opening on one side ensures that the raw materials fall accurately, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the first embodiment of the utility model.

[0021] Figure 2 This utility model Figure 1 Schematic diagram from another perspective.

[0022] Figure 3 This utility model Figure 1 Right view of .

[0023] Figure 4 This utility model Figure 3 Sectional view at AA.

[0024] Figure 5 This utility model Figure 4 A partial enlarged schematic diagram of .

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the second embodiment of the utility model.

[0026] Figure 7 This utility model Figure 6 Left view of .

[0027] Figure 8 This utility model Figure 7 Cross-sectional view at BB.

[0028] In the figure: 1-primary crushing cylinder, 2-feeding port, 3-crushing motor, 4-screening plate, 5-filter hole, 6-rotating shaft, 7-blade, 8-drive motor, 9-transmission belt, 10-frame, 11-grinding and mixing box, 12-grinding roller, 13-auger roller, 14-feeding port, 15-gear, 16-blocking plate, 17-support arm, 18-cylinder, 19-hinge, 20-recovery hopper, 21-feeding motor, 22-auger roller, 23-comb teeth. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] See also Figure 1-5 In an embodiment of the utility model, a grinding and stirring device before powder coating processing includes a primary crushing cylinder 1; the primary crushing cylinder 1 is fixed to a screening plate 4 by bolts, a plurality of filtering holes 5 are provided at the bottom of the screening plate 4, and a plurality of blades 7 are arranged on the inner side of the primary crushing cylinder 1; the blades 7 are connected to a rotating shaft 6, and the rotating shaft 6 is connected to a bearing seat installed on the primary crushing cylinder 1; a grinding and stirring box 11 is arranged on one side of the primary crushing cylinder 1, and a grinding roller 12 is arranged on the inner side of the grinding and stirring box 11.

[0032] By adopting the above technical solution, the raw material enters the primary crushing cylinder 1, and the rotating shaft 6 drives the blade 7 to rotate, so that the raw material away from the primary crushing and able to pass through the filter holes 5 of the screen plate 4 can enter the grinding and mixing box 11, and is further ground by the grinding roller 12 and stirred at the bottom of the grinding and mixing box 11, which is more convenient to use.

[0033] In this embodiment, two grinding rollers 12 are provided, and the two grinding rollers 12 are connected with the bearing seat installed on the grinding and mixing box 11; two auger rollers 13 are provided below the two grinding rollers 12, and the two auger rollers 13 are connected with the bearing seat installed on the grinding and mixing box 11.

[0034] Furthermore, one end of the two grinding rollers 12 and the two auger rollers 13 are respectively connected with a gear 15, and the gears 15 on the two grinding rollers 12 and the gears 15 on the two auger rollers 13 are respectively meshed and connected; one of the two grinding rollers 12 and the two auger rollers 13 and the auger roller 13 are respectively connected with a drive motor 8, and the drive motor 8 is fixed to the grinding and mixing box 11 by bolts.

[0035] By adopting the above technical solution, the two driving motors 8 respectively drive the connected grinding roller 12 and the auger roller 13 to rotate, and with the cooperation of the gear 15, provide power for the grinding roller 12 to grind and the auger roller 13 to stir.

[0036] In this embodiment, the screening plate 4 is fixed to the frame 10 by bolts, and the frame 10 is equipped with a conveyor belt 9, and a V-shaped opening is provided on one side of the conveyor belt 9 for facilitating the grinding and mixing box 11 to receive the materials.

[0037] By adopting the above technical solution, the raw materials falling on the screening plate 4 will be transported to the grinding and mixing box 11 by the conveyor belt 9. The V-shaped opening on one side ensures that the raw materials fall accurately, which is more convenient to use.

[0038] In this embodiment, a feed opening 14 is provided at the bottom of the grinding and mixing box 11 .

[0039] Furthermore, the top of the rotating shaft 6 is connected with the driving shaft of the crushing motor 3 , and the crushing motor 3 is fixed to the primary crushing cylinder 1 by bolts, and a feeding port 2 is provided on one side of the primary crushing cylinder 1 .

[0040] By adopting the above technical solution, the feed opening 14 at the bottom of the grinding and mixing box 11 is convenient for receiving materials, and the driving shaft of the crushing motor 3 drives the rotating shaft 6 to rotate, providing power for the blade 7 to initially crush.

[0041] In this embodiment, a baffle plate 16 is provided below the discharge port 14, and the baffle plate 16 is fixed on a support arm 17, and the support arm 17 is movably connected to a hinge plate 19; the hinge plate 19 is fixed to one side of the discharge port 14; one end of the support arm 17 connected to the hinge plate 19 is also movably connected to a fisheye joint; and the fisheye joint is installed on a cylinder 18; the other end of the cylinder 18 is movably connected to the frame 10.

[0042] By adopting the above technical solution, when the cylinder rod 18 contracts, it will drive the support arm 17 to deflect, and with the cooperation of the hinge piece 19, the baffle plate 16 is separated from the discharge port 14 to complete the discharge; after the discharge is completed, the cylinder rod 18 is pushed out to close the baffle plate 16 and the discharge port 14.

[0043] Embodiment 2

[0044] Please refer to the attached Figure 6-8 , further comprising a recovery hopper 20, wherein an auger roller 22 is provided inside the recovery hopper 20, and a feeding motor 21 is mounted on the lower end of the auger roller 22; the upper end of the auger roller 22 is connected to the primary crushing cylinder 1;

[0045] The sieve plate 4 is further provided with comb teeth 23 at one end close to the grinding and mixing box 11. There are a plurality of comb teeth 23 arranged in a rectangular array.

[0046] By adopting the above technical scheme, since the raw materials may be incompletely crushed during crushing, we comb the raw materials on the conveyor belt 9 through the comb teeth 23, and the large pieces of raw materials are stopped by the comb teeth 23 if they are not completely crushed. When the large pieces of raw materials gather to a certain extent, the conveyor belt 9 is controlled to rotate in the opposite direction, so that the large pieces of raw materials fall into the recovery hopper 20. At this time, the feeding motor 21 drives the auger roller 22 to rotate, and transports the large pieces of raw materials to the primary crushing drum 1, thereby realizing the cyclic crushing processing of the materials and improving the degree of automation of the equipment.

[0047] The working principle of the utility model is as follows: when in use, the discharge port 14 at the bottom of the grinding and mixing box 11 is convenient for receiving materials, the driving shaft of the crushing motor 3 drives the rotating shaft 6 to rotate, and provides power for the initial crushing of the blade 7; the two driving motors 8 respectively drive the connected grinding roller 12 and the auger roller 13 to rotate, and with the cooperation of the gear 15, power is provided for the grinding of the grinding roller 12 and the stirring of the auger roller 13; the raw materials enter the primary crushing cylinder 1, and the rotating shaft 6 drives the blade 7 to rotate, so that the raw materials away from the initial crushing and able to pass through the filtering holes 5 of the screening plate 4 can enter the grinding and mixing box 11, and are further ground by the grinding roller 12, and stirred at the bottom of the grinding and mixing box 11, which is more convenient to use; the raw materials falling on the screening plate 4 will be transported to the grinding and mixing box 11 by the conveyor belt 9, and the V-shaped opening on one side ensures that the raw materials fall accurately, which is more convenient to use.

[0048] As the working principle of another embodiment: since the raw materials may be incompletely crushed during crushing, we comb the raw materials on the conveyor belt 9 through the combing teeth 23, and the large pieces of raw materials that are not completely crushed are stopped by the combing teeth 23. When the large pieces of raw materials gather to a certain extent, the conveyor belt 9 is controlled to rotate in the reverse direction, so that the large pieces of raw materials fall into the recovery hopper (20). At this time, the feeding motor (21) drives the auger roller (22) to rotate and transports the large pieces of raw materials to the primary crushing drum (1), thereby realizing the cyclic crushing process of the materials and improving the degree of automation of the equipment.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A grinding and stirring device before powder coating processing, characterized in that: The invention comprises a primary crushing cylinder (1); the primary crushing cylinder (1) is fixed to a screening plate (4) by means of bolts, a plurality of filtering holes (5) are provided at the bottom of the screening plate (4), and a plurality of blades (7) are arranged on the inner side of the primary crushing cylinder (1); the blades (7) are connected to a rotating shaft (6), and the rotating shaft (6) is connected to a bearing seat mounted on the primary crushing cylinder (1); a grinding and stirring box (11) is arranged on one side of the primary crushing cylinder (1), and a grinding roller (12) is arranged on the inner side of the grinding and stirring box (11).

2. A grinding and stirring device for powder coating before processing according to claim 1, characterized in that: Two grinding rollers (12) are provided, and the two grinding rollers (12) are connected in cooperation with the bearing seat installed on the grinding and stirring box (11); two auger rollers (13) are provided below the two grinding rollers (12), and the two auger rollers (13) are connected in cooperation with the bearing seat installed on the grinding and stirring box (11).

3. A grinding and stirring device before powder coating processing according to claim 2, characterized in that: One end of the two grinding rollers (12) and the two auger rollers (13) are each matched and connected with a gear (15), and the gears (15) on the two grinding rollers (12) and the gears (15) on the two auger rollers (13) are respectively meshed and connected; one of the two grinding rollers (12) and the auger roller (13) is matched and connected with a drive motor (8), and the drive motor (8) is fixed to the grinding and mixing box (11) by bolts.

4. A grinding and stirring device before powder coating processing according to claim 1, characterized in that: The screening plate (4) is fixed to the frame (10) by bolts, and a conveyor belt (9) is mounted on the frame (10), and a V-shaped opening is provided on one side of the conveyor belt (9) for facilitating the grinding and mixing box (11) to receive materials.

5. A grinding and stirring device before powder coating processing according to claim 4, characterized in that: The bottom of the grinding and stirring box (11) is provided with a feeding port (14).

6. The grinding and stirring device before powder coating processing according to claim 1, characterized in that: The top of the rotating shaft (6) is connected to the driving shaft of the crushing motor (3), and the crushing motor (3) is fixed to the primary crushing cylinder (1) by bolts, and a feeding port (2) is provided on one side of the primary crushing cylinder (1).

7. The grinding and stirring device before powder coating processing according to claim 5, characterized in that: A baffle plate (16) is provided below the material discharge port (14), and the baffle plate (16) is fixed on the support arm (17), and the support arm (17) is movably connected to a hinge plate (19); the hinge plate (19) is fixed to one side of the material discharge port (14); one end of the support arm (17) connected to the hinge plate (19) is also movably connected to a fisheye joint; and the fisheye joint is installed on the cylinder (18); the other end of the cylinder (18) is movably connected to the frame (10).

8. The grinding and stirring device before powder coating processing according to claim 1, characterized in that: It also includes a recovery hopper (20), wherein an auger roller (22) is provided inside the recovery hopper (20), and a feeding motor (21) is installed at the lower end of the auger roller (22); the upper end of the auger roller (22) is connected to the primary crushing cylinder (1); The sieve plate (4) is also provided with comb teeth (23) at one end close to the grinding and mixing box (11), and a plurality of the comb teeth (23) are arranged in a rectangular array.

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