Coated abrasive production apparatus

Abstract

The utility model discloses a kind of plating coating abrasive production equipment, belong to plating coating abrasive production technical field, including spraying mixing device, conveying device and rotary kiln, spraying mixing device includes mixing barrel, end cap is set in mixing barrel top, end cap center is equipped with stirring shaft by bearing, stirring shaft lower part is equipped with stirring vane, first bevel gear is set in stirring shaft upper end, motor is transversely arranged in end cap side, the rotating shaft of motor is equipped with second bevel gear, second gear and first bevel gear engage, blind hole is set in stirring shaft top, inner thread is set in blind hole upper end, blind hole inner thread connects swivel joint, multiple through holes are evenly set in the side of stirring shaft, multiple through holes are communicated with the blind hole, multiple through holes are threadedly connected with shower head, the upper end of swivel joint is fixed on the end cap through connecting frame, and sequentially communicated with pump body, liquid storage tank.The utility model integrates stirring, spraying, while stirring, rotary spraying, wide coverage, and mixing is uniform.

Description

Technical Field

[0001] This utility model relates to the field of coating abrasive production technology, specifically a coating abrasive production equipment. Background Technology

[0002] Coated abrasives are modified abrasives made from abrasives (such as corundum) as raw materials, coated with a certain amount of special organic or inorganic additives without gaps onto the surface of the abrasive particles, and then heat-treated in a kiln at a specific temperature and time. In the traditional production process of coated abrasives, the prepared coating solution is usually stored in a tank and pressurized by a pump to a nozzle at the edge of a stirring device for spraying. For example, patent document CN 209735837 U discloses a cyclone stirring spraying device for abrasive coating layers. In this device, the spraying device is fixedly positioned above the motor mounting section, and the stirring device is fixedly positioned in the middle of the mixing and stirring spraying section through the motor mounting hole of the supporting circular plate; the feed pipe is fixedly positioned on the upper right outer wall of the mixing and stirring spraying section. This cyclone stirring spraying device for abrasive coating layers can suspend the abrasive and improve the uniformity of the abrasive under the stirring action of the stirring paddle. However, the nozzle of this invention is fixed, resulting in insufficient spraying coverage and poor uniformity. Utility Model Content

[0003] In view of this, this utility model addresses the shortcomings of the prior art by providing a coating abrasive production equipment in which the spray head is integrated on the stirring shaft and can rotate with the stirring shaft, resulting in a wide spraying area and good uniformity.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a coating abrasive production equipment, including a spray mixing device, a conveying device, and a rotary kiln. The spray mixing device includes a mixing cylinder, an end cover at the top of the mixing cylinder, a stirring shaft mounted on the center of the end cover via a bearing, stirring blades at the lower part of the stirring shaft, a first bevel gear at the upper end of the stirring shaft, a motor horizontally mounted on one side of the end cover, a second bevel gear on the shaft of the motor, the second gear meshing with the first bevel gear, a blind hole at the top of the stirring shaft, an internal thread at the upper end of the blind hole, a rotary joint connected to the internal thread of the blind hole, multiple through holes evenly opened on the periphery of the stirring shaft, all of the multiple through holes communicating with the blind hole, and spray heads threadedly connected to the multiple through holes, the upper end of the rotary joint being fixed to the end cover via a connecting bracket and sequentially connected to a pump body and a storage tank.

[0005] Furthermore, a discharge port is provided at the bottom of the mixing cylinder, and a discharge valve is provided at the discharge port. The discharge valve is located below the feed end of the conveying device, and the discharge end of the conveying device is located below the rotary kiln.

[0006] Furthermore, the conveying device is a screw conveyor.

[0007] Furthermore, a support is provided at the lower part of the mixing cylinder.

[0008] Furthermore, the end cap is connected to the mixing cylinder by multiple bolts around its periphery.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. In the coating abrasive production equipment of this utility model, the spray mixing device has a rotary joint at the top of the stirring shaft and is connected to the liquid storage tank through the pump body. Multiple nozzles are set on the upper part of the stirring shaft. By integrating the spraying onto the stirring shaft, the rotating spraying is carried out while stirring, thereby expanding the spraying surface and making the liquid and abrasive come into contact at a higher frequency, thus improving the uniformity and efficiency of mixing.

[0010] 2. The coating abrasive production equipment of this utility model uses a screw conveyor at the bottom of the spray mixing device to automatically transport the mixed raw materials to a rotary kiln for high-temperature calcination to obtain the finished product. Attached Figure Description

[0011] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model; Figure 2 This is a cross-sectional view of the spray mixing device in an embodiment of this utility model.

[0012] In the diagram: 1-Spray mixing device, 2-Conveying device, 3-Rotary kiln, 11-Mixing cylinder, 12-End cover, 13-Agitator shaft, 14-Motor, 15-Blind hole, 16-Rotary joint, 17-Spray head, 18-Connecting frame, 19-Pump body, 20-Storage tank, 21-Discharge valve, 22-Support. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0014] Example: Refer to Figure 1 , Figure 2A coating abrasive production equipment includes a spray mixing device 1, a conveying device 2, and a rotary kiln 3. The spray mixing device 1 includes a mixing cylinder 11, which is cylindrical and has an end cap 12 at the top. The end cap 12 is connected to the mixing cylinder 11 by multiple bolts around its periphery. A stirring shaft 13 is mounted on the center of the end cap 12 via a bearing. The stirring shaft 13 has stirring blades at its lower part, with the two stirring blades on both sides staggered. A first bevel gear is provided at the upper end of the stirring shaft 13. A motor 14 is horizontally placed on one side of the end cap 12. A second bevel gear is provided on the shaft of the motor 14. The second gear and the first bevel gear... The gears mesh, and a blind hole 15 is opened at the top of the stirring shaft 13. The upper end of the blind hole 15 is provided with an internal thread, and the internal thread of the blind hole 15 is connected to a rotary joint 16. The rotary joint 16 can be a Xindeli GFR single-channel high-speed rotary joint with NPT thread, which can be used with a high-speed shaft. Three through holes are evenly opened on the upper circumference of the stirring shaft 13. All three through holes are connected to the blind hole. Spray heads 17 are threaded into the through holes. The upper end of the rotary joint 16 is fixed to the end cover 12 through a connecting bracket 18 and is connected to the pump body 19 and the liquid storage tank 20 in sequence.

[0015] The mixing cylinder 11 has an inverted frustum shape at its lower part and a discharge port at its bottom. The discharge port is equipped with a discharge valve 21, which corresponds to the feed end of the conveying device 2. The discharge end of the conveying device 2 corresponds to the rotary kiln 3. The conveying device 2 is specifically a screw conveyor.

[0016] A support 22 is provided at the lower part of the mixing cylinder 11 to raise the mixing cylinder 11 for easy installation of the screw conveyor.

[0017] This utility model of abrasive coating production equipment integrates a spraying component on the stirring shaft. While the stirring shaft rotates, a rotary spraying is performed, thereby expanding the spraying area and allowing the liquid to contact the abrasive at a higher frequency. This improves the uniformity and efficiency of the mixing. The mixed raw material falls from the outlet and is transported to a rotary kiln by a screw conveyor for high-temperature calcination, resulting in a finished abrasive product with a uniform and stable coating.

[0018] The above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art can still make modifications or equivalent substitutions to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model are within the protection scope of the claims of this utility model.

Claims

1. A coating abrasive production equipment, characterized in that: The system includes a spray mixing device, a conveying device, and a rotary kiln. The spray mixing device includes a mixing cylinder with an end cover at the top. A stirring shaft is mounted on the center of the end cover via a bearing. A stirring blade is located at the lower part of the stirring shaft, and a first bevel gear is located at the upper end of the stirring shaft. A motor is horizontally mounted on one side of the end cover, and a second bevel gear is mounted on the shaft of the motor. The second bevel gear meshes with the first bevel gear. A blind hole is formed at the top of the stirring shaft, and an internal thread is provided at the upper end of the blind hole. A rotary joint is connected to the internal thread of the blind hole. Multiple through holes are evenly formed around the periphery of the stirring shaft, and all of the through holes communicate with the blind hole. Spray heads are threadedly connected to the multiple through holes. The upper end of the rotary joint is fixed to the end cover via a connecting bracket and is sequentially connected to a pump body and a storage tank.

2. The coating abrasive production equipment according to claim 1, characterized in that: The bottom of the mixing cylinder is provided with a discharge port, and the discharge port is provided with a discharge valve. The discharge valve is located below the feed end of the conveying device, and the discharge end of the conveying device is located below the rotary kiln.

3. The coating abrasive production equipment according to claim 2, characterized in that: The conveying device is a screw conveyor.

4. The coating abrasive production equipment according to claim 1, characterized in that: A support is provided at the bottom of the mixing cylinder.

5. The coating abrasive production equipment according to claim 1, characterized in that: The end cap is connected to the mixing cylinder by multiple bolts around its perimeter.

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