Grinding device for powder coating production

Abstract

The utility model relates to the technical field of powder coating processing, and discloses a powder coating production grinding device which comprises a barrel, a rotating shaft, a circular plate, a spring, a grinding roller, a filter cover, a conveying pipe and a driving part. In the using process, the driving assembly is controlled to work, the rotating shaft can be driven to rotate, and then the circular plate is driven to rotate. And through the multiple springs, the multiple grinding rollers can be driven to rotate, so that materials added into the barrel are ground. And the suction equipment is controlled to work, and negative pressure can be generated in the filter cover through the material conveying pipe, so that the materials which are ground into powder are collected. And moreover, the filter cover is driven by the circular plate to rotate, so that the large-particle materials can be directly struck away when being in contact with the filter screen. And therefore, the blockage phenomenon is avoided, and smooth powder collection work is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of powder coating processing, for example, to a powder grinding device for powder coating production. Background Art

[0002] At present, the raw materials need to be ground during powder coating processing. A powder coating mill is disclosed in the related art (publication number: CN218459604U), which includes a detachably connected upper cylinder and a lower cylinder. A lower grinding table is slidably provided on the inner wall of the lower cylinder, an electric cylinder driving the lower grinding table to slide up and down is provided at the bottom of the lower cylinder, the lower grinding table has a V-shaped longitudinal section, and a lower grinding sheet is detachably installed on the inner wall of the lower grinding table, a support assembly for stabilizing the lower grinding table is provided in the lower cylinder, a rotating plate is rotatably connected to the top of the inner wall of the upper cylinder, a motor driving the rotating plate to rotate is provided on the side wall of the upper cylinder, an upper grinding table corresponding to the lower grinding table is provided at the bottom of the rotating plate, an upper grinding sheet is detachably installed at the bottom of the upper grinding table, and the gap between the upper grinding sheet and the lower grinding sheet is a grinding chamber, a feed pipe with a valve is provided at the bottom of one side of the upper cylinder, an inverted Y-shaped powder suction channel is provided in the upper grinding table, a powder suction pump connected to the powder suction channel is provided at the top of the upper cylinder, a filter screen is provided at the inlet of both sides of the powder suction channel, and a scraper brush corresponding to the filter screen is provided on the inner wall of one side of the upper cylinder.

[0003] In the process of implementing the above embodiments, it is found that there are at least the following problems in the related art:

[0004] During the grinding process, the paint to be ground is added between the upper and lower grinding plates and directly contacts the filter screen. Therefore, large particles of material will be stuck in the gap of the filter screen, causing the filter screen to be blocked, which affects the collection of paint powder.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The embodiment of the present disclosure provides a grinding device for powder coating production to avoid clogging.

[0008] In some embodiments, a powder grinding device for powder coating production includes: a barrel; a rotating shaft rotatably mounted on the bottom wall of the barrel, the center line of the rotating shaft coincides with the center line of the cylinder; a circular plate connected to the rotating shaft and located inside the barrel; a spring connected to the circular plate and evenly distributed around the rotating shaft along the circumferential direction of the circular plate; grinding rollers respectively connected to a plurality of the springs; a filter cover mounted on the circular plate, the filter cover and the plurality of springs being located on both sides of the circular plate along the thickness direction of the circular plate; a feed pipe, one end of the feed pipe being rotatably connected to the filter cover, the other end of the feed pipe passing through the side wall of the barrel and connected to a suction device; a driving member mounted on the outer wall of the barrel and configured to drive the rotating shaft to rotate; wherein, under the elastic force of the plurality of springs, the plurality of grinding rollers are all against the bottom wall of the barrel.

[0009] Optionally, the driving member includes: a motor for providing driving force; and a coupling installed between the rotating end of the motor and the rotating shaft; wherein, under the drive of the motor, the rotating shaft performs a rotational motion.

[0010] Optionally, the driving member further includes: a mounting plate, wherein the plane where the mounting plate is located is perpendicular to the center line of the barrel; and a support rod installed between the mounting plate and the bottom wall of the barrel; wherein the motor is installed on the mounting plate.

[0011] Optionally, it also includes: a bearing seat installed on the bottom wall of the barrel and located on the outside of the rotating shaft; and a bearing installed between the bearing seat and the rotating shaft.

[0012] Optionally, it also includes: a material-blocking barrel, which is located inside the barrel, connected to the bottom wall of the barrel, and located outside the bearing seat; wherein the barrel includes ventilation holes, and the ventilation holes are evenly distributed between the material-blocking barrel and the bearing seat.

[0013] Optionally, it further comprises: a linear optical axis which is slidably disposed on the circular plate and is respectively connected to the grinding rollers; wherein each of the springs is sleeved on the outside of the corresponding linear optical axis.

[0014] Optionally, it also includes: linear bearings, which are respectively mounted on the outside of each of the linear optical axes and are connected to the circular plate; limiting rings, which are respectively installed on each of the linear optical axes, along the thickness direction of the circular plate, and multiple limiting rings and multiple springs are located on both sides of the circular plate.

[0015] Optionally, it also includes: an end cover detachably mounted on the barrel; and a handle connected to the end cover for holding.

[0016] Optionally, it also includes: a feeding port connected to the barrel and communicated with the interior of the barrel; and a sealing cover detachably installed on the feeding port.

[0017] Optionally, it also includes: a rotating joint installed at the connection between the feeding pipe and the filter cover.

[0018] The powder grinding device for powder coating production provided in the embodiment of the present disclosure can achieve the following technical effects:

[0019] A grinding device for powder coating production provided by an embodiment of the present disclosure includes a drum, a rotating shaft, a circular plate, a spring, a grinding roller, a filter cover, a feed pipe and a driving member. The drum is used to hold the material to be ground. The rotating shaft is rotatably mounted on the bottom wall of the drum and can rotate relative to the drum. The circular plate is connected to the rotating shaft and is located inside the drum, and rotates under the drive of the rotating shaft. The spring is connected to the circular plate and is evenly distributed around the rotating shaft along the circumferential direction of the circular plate to provide elastic force. The grinding rollers are respectively connected to multiple springs, and under the elastic force of the multiple springs, the multiple grinding rollers are all against the bottom wall of the drum to grind the coating into powder. The filter cover is mounted on the circular plate to filter large particles of material to collect the coating powder. One end of the feed pipe is rotatably connected to the filter cover, and the other end of the feed pipe passes through the side wall of the drum and is connected to the suction device to suck the ground material to collect the powder. The driving member is installed on the outer wall of the drum to provide driving force to drive the rotating shaft to rotate.

[0020] During use, the drive assembly is controlled to drive the shaft to rotate, and then the circular plate is driven to rotate. Multiple springs can be used to drive multiple grinding rollers to rotate, thereby grinding the materials added to the drum. The suction device is controlled to generate negative pressure inside the filter cover through the feed pipe, thereby collecting the ground materials. In addition, since the filter cover rotates under the drive of the circular plate, large particles will be directly knocked away when they come into contact with the filter screen. This avoids blockage and ensures smooth powder collection.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 is a schematic cross-sectional view of a powder grinding device for producing powder coatings provided in an embodiment of the present disclosure;

[0024] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0026] Figure 4 It is a schematic diagram of the main structure of a grinding device for powder coating production provided in an embodiment of the present disclosure.

[0027] Reference numerals:

[0028] 1: round barrel; 2: rotating shaft; 3: round plate; 4: spring; 5: grinding roller; 6: filter cover; 7: feed pipe; 8: motor; 9: coupling; 10: mounting plate; 11: support rod; 12: bearing seat; 13: bearing; 14: material blocking barrel; 15: linear optical axis; 16: linear bearing; 17: limit ring; 18: end cover; 19: feeding port; 20: rotary joint. DETAILED DESCRIPTION

[0029] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0030] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0031] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0033] Unless otherwise stated, the term "plurality" means two or more.

[0034] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0035] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0037] Combination Figures 1 to 4As shown, the embodiment of the present disclosure provides a grinding device for powder coating production, including a drum 1, a rotating shaft 2, a circular plate 3, a spring 4, a grinding roller 5, a filter cover 6, a feed pipe 7 and a driving member. The rotating shaft 2 is rotatably mounted on the bottom wall of the drum 1, and the center line of the rotating shaft 2 coincides with the center line of the cylinder. The circular plate 3 is connected to the rotating shaft 2 and is located inside the drum 1. The spring 4 is connected to the circular plate 3 and is evenly distributed around the rotating shaft 2 along the circumferential direction of the circular plate 3. The grinding roller 5 is respectively connected to a plurality of springs 4. The filter cover 6 is mounted on the circular plate 3, and the filter cover 6 and the plurality of springs 4 are located on both sides of the circular plate 3 along the thickness direction of the circular plate 3. One end of the feed pipe 7 is rotatably connected to the filter cover 6, and the other end of the feed pipe 7 passes through the side wall of the drum 1 and is connected to the suction device. The driving member is mounted on the outer wall of the drum 1 and is configured to drive the rotating shaft 2 to perform rotational motion. Under the elastic force of the multiple springs 4 , the multiple grinding rollers 5 are all against the bottom wall of the drum 1 .

[0038] A powder grinding device for powder coating production provided by the embodiment of the present disclosure includes a drum 1, a rotating shaft 2, a circular plate 3, a spring 4, a grinding roller 5, a filter cover 6, a feed pipe 7 and a driving member. The drum 1 is used to hold the material to be ground. The rotating shaft 2 is rotatably installed on the bottom wall of the drum 1 and can rotate relative to the drum 1. The circular plate 3 is connected to the rotating shaft 2 and is located inside the drum 1, and rotates under the drive of the rotating shaft 2. The spring 4 is connected to the circular plate 3 and is evenly distributed around the rotating shaft 2 along the circumferential direction of the circular plate 3 to provide elastic force. The grinding roller 5 is respectively connected to multiple springs 4. Under the elastic force of the multiple springs 4, the multiple grinding rollers 5 are all against the bottom wall of the drum 1 to grind the coating into powder. The filter cover 6 is installed on the circular plate 3 to filter large particles to collect the coating powder. One end of the feeding pipe 7 is rotatably connected to the filter cover 6, and the other end of the feeding pipe 7 passes through the side wall of the drum 1 and is connected to the suction device to suck the ground material and collect the powder. The driving member is installed on the outer wall of the drum 1 to provide driving force to drive the rotating shaft 2 to rotate.

[0039] During use, the driving assembly is controlled to drive the shaft 2 to rotate, and then the circular plate 3 to rotate. Through multiple springs 4, multiple grinding rollers 5 can be driven to rotate, so as to grind the material added to the barrel 1. By controlling the suction device to work, negative pressure can be generated inside the filter cover 6 through the feed pipe 7, so that the ground material can be collected. In addition, since the filter cover 6 rotates under the drive of the circular plate 3, large particles will be directly knocked away when they come into contact with the filter screen. This avoids the occurrence of blockage and ensures the smooth progress of powder collection.

[0040] Optionally, combined Figure 1 and Figure 4As shown, the driving member includes a motor 8 and a coupling 9. The motor 8 is used to provide driving force. The coupling 9 is installed between the rotating end of the motor 8 and the rotating shaft 2. Wherein, under the drive of the motor 8, the rotating shaft 2 performs a rotational motion.

[0041] In the disclosed embodiment, the driving member includes a motor 8 and a coupling 9. The motor 8 is used to provide driving force, and the coupling 9 is used to make the rotating end of the motor 8 and the rotating shaft 2 rotate synchronously. During use, the motor 8 is controlled to work, and the rotating shaft 2 can be driven to rotate through the coupling 9, and finally the filter cover 6 and the plurality of grinding rollers 5 can be rotated synchronously.

[0042] Optionally, combined Figure 1 and Figure 4 As shown, the driving member also includes a mounting plate 10 and a support rod 11. The plane where the mounting plate 10 is located is perpendicular to the center line of the drum 1. The support rod 11 is installed between the mounting plate 10 and the bottom wall of the drum 1. The motor 8 is installed on the mounting plate 10.

[0043] In the disclosed embodiment, the driving member further comprises a mounting plate 10 and a support rod 11. The mounting plate 10 is used to support and install the motor 8. The support rod 11 is used to determine the relative position of the mounting plate 10 and the drum 1, and thus determine the position of the motor 8.

[0044] Optionally, combined Figure 1 and Figure 2 As shown, it also includes a bearing seat 12 and a bearing 13. The bearing seat 12 is installed on the bottom wall of the drum 1 and is located outside the rotating shaft 2. The bearing 13 is installed between the bearing seat 12 and the rotating shaft 2.

[0045] In the disclosed embodiment, a bearing seat 12 and a bearing 13 are also included. The bearing seat 12 is used to support and install the bearing 13 and to limit the bearing 13. The bearing 13 is used to support and install the rotatable shaft 2, reduce the friction force on the shaft 2, and improve the rotation accuracy of the shaft 2.

[0046] Optionally, combined Figure 1 and Figure 2 As shown, it also includes a material blocking barrel 14. The material blocking barrel 14 is located inside the drum 1, connected to the bottom wall of the drum 1, and located outside the bearing seat 12. Among them, the drum 1 includes ventilation holes, which are evenly distributed between the material blocking barrel 14 and the bearing seat 12.

[0047] In the disclosed embodiment, a material blocking barrel 14 is also included inside the drum 1. The material blocking barrel 14 is connected to the bottom wall of the drum 1 and is located outside the bearing seat 12, and is used to shield the material to prevent the material from directly contacting the bearing seat 12 and the rotating shaft 2. The drum 1 includes ventilation holes evenly distributed between the material blocking barrel 14 and the bearing seat 12, and the ventilation holes are used for ventilation so that the powder can enter the interior of the filter cover 6.

[0048] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a linear optical axis 15. The linear optical axis 15 is slidably arranged on the circular plate 3 and is respectively connected to the grinding rollers 5. Each spring 4 is sleeved on the outside of the corresponding linear optical axis 15.

[0049] In the disclosed embodiment, a linear optical axis 15 is also included which is slidably disposed on the circular plate 3 and is respectively connected to the grinding rollers 5. The linear optical axis 15 is used to play a guiding support role to prevent the spring 4 from radially jumping, thereby improving the stability of the grinding roller 5.

[0050] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a linear bearing 16 and a limiting ring 17. The linear bearing 16 is respectively mounted on the outside of each linear optical axis 15 and is connected to the circular plate 3. The limiting ring 17 is respectively installed on each linear optical axis 15, and along the thickness direction of the circular plate 3, multiple limiting rings 17 and multiple springs 4 are located on both sides of the circular plate 3.

[0051] In the disclosed embodiment, a linear bearing 16 and a stop ring 17 are also included. The support bearing 13 is used to reduce the friction force on the linear optical axis 15 and improve the movement accuracy of the linear bearing 16, thereby improving the movement accuracy of the grinding roller 5. The stop ring 17 is used to limit the position to prevent the linear optical axis 15 from falling off from the linear bearing 16.

[0052] Optionally, combined Figure 1 and Figure 4 As shown, it also includes an end cap 18 and a handle. The end cap 18 is detachably mounted on the drum 1. The handle is connected to the end cap 18 for holding.

[0053] In the disclosed embodiment, it also includes an end cap 18 detachably mounted on the drum 1 and a handle connected to the end cap 18. The end cap 18 is used to open or close the drum 1 to facilitate repair and maintenance of the parts inside the drum 1. The handle is used for holding to facilitate opening or closing the drum.

[0054] Optionally, combined Figure 1 and Figure 4 As shown, it also includes a feed port 19 and a sealing cover. The feed port 19 is connected to the drum 1 and communicates with the interior of the drum 1. The sealing cover is detachably mounted on the feed port 19.

[0055] In the embodiment of the present disclosure, a feeding port 19 connected to the drum 1 and a sealing cover detachably mounted on the feeding port 19 are also included. The feeding port 19 is connected to the inside of the drum 1 and is used to add materials to the inside of the drum. The sealing cover is used to seal so that external gas can enter the inside of the drum 1 through the ventilation hole.

[0056] Optionally, combined Figure 1 As shown, a rotary joint 20 is also included. The rotary joint 20 is installed at the connection between the material delivery pipe 7 and the filter cover 6.

[0057] In the disclosed embodiment, a rotary joint 20 is also included which is installed at the connection between the feed pipe 7 and the filter housing 6. The rotary joint 20 is used to enable the filter housing 6 to rotate relative to the feed pipe 7 to prevent the feed pipe 7 from rotating with the rotation of the filter housing 6.

[0058] Optionally, combined Figure 1 and Figure 4 As shown, it also includes support legs. The support legs are connected to the outer wall of the drum 1 and are used to abut against the ground.

[0059] In the disclosed embodiment, it also includes support legs connected to the outer wall of the drum 1. The support legs are used to abut against the ground to support the entire device.

[0060] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A powder grinding device for powder coating production, characterized in that: include: Barrel; A rotating shaft is rotatably mounted on the bottom wall of the drum, and a center line of the rotating shaft coincides with a center line of the drum; A circular plate connected to the rotating shaft and located inside the barrel; A spring connected to the circular plate and evenly distributed around the rotating shaft along the circumferential direction of the circular plate; A grinding roller, connected to the plurality of springs respectively; A filter cover is mounted on the circular plate, and along the thickness direction of the circular plate, the filter cover and the plurality of springs are located on both sides of the circular plate; A material delivery pipe, one end of which is rotatably connected to the filter housing, and the other end of which passes through the side wall of the drum and is connected to a suction device; A driving member, mounted on the outer wall of the drum, configured to drive the rotating shaft to perform rotational motion; Wherein, under the elastic force of the plurality of springs, the plurality of grinding rollers are all against the bottom wall of the drum.

2. A powder grinding device for powder coating production according to claim 1, characterized in that: The driving member comprises: A motor for providing driving force; A coupling, installed between the rotating end of the motor and the rotating shaft; Wherein, under the drive of the motor, the rotating shaft performs rotational motion.

3. A powder grinding device for powder coating production according to claim 2, characterized in that: The driving member also includes: A mounting plate, wherein the plane where the mounting plate is located is perpendicular to the center line of the barrel; A support rod, installed between the mounting plate and the bottom wall of the barrel; Wherein, the motor is mounted on the mounting plate.

4. A powder grinding device for powder coating production according to claim 1, characterized in that: Also includes: A bearing seat, mounted on the bottom wall of the drum and located outside the rotating shaft; The bearing is installed between the bearing seat and the rotating shaft.

5. A powder grinding device for powder coating production according to claim 4, characterized in that: Also includes: A material blocking cylinder is located inside the drum, connected to the bottom wall of the drum, and located outside the bearing seat; Wherein, the drum comprises ventilation holes, and the ventilation holes are evenly distributed between the material retaining cylinder and the bearing seat.

6. A powder grinding device for powder coating production according to claim 1, characterized in that: Also includes: A linear optical axis is slidably disposed on the circular plate and is connected to the grinding rollers respectively; Wherein, each of the springs is sleeved on the outside of the corresponding linear optical axis.

7. A powder grinding device for powder coating production according to claim 6, characterized in that: Also includes: Linear bearings are respectively mounted on the outside of each of the linear optical axes and are connected to the circular plate; A limiting ring is respectively installed on each of the linear optical axes, along the thickness direction of the circular plate, and a plurality of the limiting rings and a plurality of the springs are located on both sides of the circular plate.

8. A powder grinding device for producing powder coatings according to any one of claims 1 to 7, characterized in that: Also includes: an end cover, detachably mounted on the drum; A handle is connected to the end cover and is used for holding.

9. A powder grinding device for producing powder coatings according to any one of claims 1 to 7, characterized in that: Also includes: A feeding port connected to the drum and communicated with the interior of the drum; A sealing cover is detachably mounted on the feeding port.

10. A powder grinding device for producing powder coatings according to any one of claims 1 to 7, characterized in that: Also includes: A rotary joint is installed at the connection between the feed conveying pipe and the filter cover.

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