Full-automatic rotary spraying equipment and spraying method for annular magnet

Abstract

The invention relates to full-automatic rotary spraying equipment and a spraying method for an annular magnet. A rotary workbench corresponding to an opening of a cabinet body is arranged outside the cabinet body, a rotating frame is installed on the rotary workbench, and a spraying material carrying plate is arranged on the rotating frame; a spraying support is further installed in the cabinet body, and a nozzle corresponding to the spraying material carrying plate is installed on the spraying support. The supporting frame is further provided with a first motor used for driving the spraying material carrying plate to rotate relative to the supporting frame. The first motor drives the spraying material carrying plate to rotate through a first belt wheel, a guide belt wheel, a second belt wheel and a first transmission belt. The two T-shaped supporting frames can rotate relative to the bottom plate along with the rotating base, and the spraying efficiency can be improved; when spraying operation is carried out, the spraying material carrying plate on the supporting frame can be driven to rotate through the first motor, so that spraying operation can be carried out on the magnet to be sprayed in all directions, and a coating is uniform.

Description

Technical Field

[0001] The present invention relates to magnet manufacturing technology, in particular to a fully automatic rotary spraying device and spraying method for annular magnets. Background Art

[0002] Magnets are a kind of basic electronic components and electrical components that are widely used, mainly applied to computers, mobile phones, televisions, communications, toys, audio, automation equipment, nuclear magnetic resonance imaging, etc. At present, neodymium iron boron magnets are widely used as high-performance permanent magnets. In the production and processing of electronic products, diaphragms (such as diaphragms of microphones, earphones, speakers, etc.), and electro-acoustic equipment, some devices require magnets that are not in conventional shapes such as rectangles or circles. According to the processing requirements of the products, the magnets need to be combined into shapes and sizes suitable for the devices.

[0003] For example, the magnetic ring assembly disclosed in the Chinese invention patent document "CN202222384665.X A Magnetic Component and a Magnetic Ring Assembly with the Magnetic Component", in which a plurality of magnetic components are arranged in a ring structure; for such annular combined magnets, some also need to spray a protective coating on the surface of the magnet. At present, there is a lack of a workbench for spraying the surface of such annular magnets, the spraying operation is not standardized, the consistency of the coating thickness is poor, and the spraying efficiency is low. Summary of the Invention

[0004] The purpose of the present invention is to provide a fully automatic rotary spraying device and spraying method for annular magnets, which are used to solve the problems of low spraying efficiency and uneven spraying of existing annular magnets.

[0005] To solve the above problems, the present invention provides a fully automatic rotary spraying device for annular magnets. An opening is provided on one side of the cabinet body. A rotary workbench corresponding to the opening of the cabinet body is provided outside the cabinet body. A rotating frame is installed on the rotary workbench. A spraying loading plate is provided on the rotating frame. The rotating frame includes a rotating seat and two T-shaped support frames. Two of the spraying loading plates are installed on each T-shaped support frame. The two support frames are fixedly connected to the rotating seat and can rotate with the rotating seat on the rotary workbench, so that the two spraying loading plates on one of the support frames rotate into the cabinet body. A spraying support is further installed in the cabinet body. Nozzles corresponding to the spraying loading plates are installed on the spraying support. The spraying support includes side supports fixed on two side walls of the cabinet body. A cross support that can slide along the side supports is further installed between the two side supports. A nozzle fixing plate is slidably installed on the cross support. The nozzles are installed on the nozzle fixing plate. A first motor for driving the spraying material carrier plate to rotate relative to the support frame is further installed on the support frame. A first pulley connected to the output shaft of the first motor is provided inside the support frame. A guiding pulley is provided at the turning position inside the support frame. Second pulleys are further provided at both ends inside the support frame. The central axis of the second pulley extends upward out of the support frame and is fixedly connected to the spraying material carrier plate. The first motor drives the spraying material carrier plate to rotate through the first pulley, the guiding pulley, the second pulley and a first transmission belt.

[0006] The full-automatic rotating spraying device for annular magnets provided by the present invention further has the following technical features: Further, a grid support is provided on the spraying material carrier plate, and annular material carriers are evenly distributed on the upper side of the grid support. The inner diameter of the material carrier is adapted to the outer diameter of the annular magnet to be sprayed. Further, an installation disc is further provided at the upper end of the central axis of the second pulley, and the spraying material carrier plate is installed on the installation disc. Further, the first pulley, the guiding pulley and the second pulley all adopt synchronous pulleys, and the first transmission belt adopts a rack belt.

[0007] Further, the rotating seat includes a rotating plate and a fixed seat. The fixed seat is arranged on the upper side of the rotating plate, and the two support frames are fixedly installed on the fixed seat; a plurality of rollers supporting the lower side of the rotating plate are installed on the upper side of the support plate of the rotating workbench so that the rotating plate can rotate on the rotating workbench; a central through hole corresponding to the center of the rotating plate is further provided on the support plate of the rotating workbench, and a central rotating shaft for driving the rotating plate to rotate is installed in the central through hole.

[0008] Further, the rollers are evenly arranged on the support plate of the rotating workbench with the central rotating shaft as the center.

[0009] Further, a second motor for driving the central rotating shaft to rotate is further installed on the lower side of the support plate of the rotating workbench.

[0010] Further, an installation frame corresponding to the central through hole is provided on the lower side of the support plate of the rotating workbench. The central rotating shaft and the second motor are installed on the installation frame. A third pulley located on the lower side of the bottom plate is further installed on the central rotating shaft. A fourth pulley is installed on the output shaft of the second motor. A second transmission belt is provided between the third pulley and the fourth pulley.

[0011] Further, the third pulley and the fourth pulley both adopt synchronous pulleys, and the second transmission belt adopts a rack belt.

[0012] Furthermore, a plurality of connecting and fixing support beams are also provided between the two T-shaped support frames.

[0013] The present invention also provides a full-automatic rotary spraying method for annular magnets. Based on the above-mentioned full-automatic rotary spraying equipment for annular magnets, the method further includes the following steps: S100. Place the annular magnet to be sprayed on the spraying material loading plates on the two support frames, and rotate the two spraying material loading plates on one of the support frames into the cabinet; adjust the orientation of the nozzle so that the nozzle is aligned with the annular magnet to be sprayed on the spraying material loading plate; S200. Control the nozzle fixing plate to move horizontally along the cross support in the cabinet to sequentially spray the first row of annular magnets to be sprayed on the spraying material loading plates; S300. After the nozzle fixing plate moves horizontally to a predetermined position to complete one horizontal movement, control the cross support to move longitudinally along the side support by a predetermined distance so that the nozzle is aligned with the second row of annular magnets; again control the nozzle fixing plate to move horizontally along the cross support in the cabinet to sequentially spray the second row of annular magnets; repeat this step to sequentially complete the spraying of each row of annular magnets; S400. Start the first motor on the support frame extending into the cabinet to rotate the spraying material loading plate on the support frame by 90°; repeat step S200 and step S300; again rotate the spraying material loading plate by 90° and repeat step S200 and step S300; again rotate the spraying material loading plate by 90° and repeat step S200 and step S300 to complete the spraying operation; S500. The rotating frame rotates the support frame that has completed the spraying operation to the outside of the cabinet, and rotates the support frame to be sprayed into the cabinet, and repeat the above steps S200 to step S400.

[0014] The present invention has the following beneficial effects: In the full-automatic rotary spraying equipment for annular magnets in this application, the two T-shaped support frames on the rotary workbench can rotate relative to the bottom plate along with the rotating seat. After the magnet to be sprayed on the spraying material loading plate on one T-shaped support frame completes the spraying operation, the rotating seat rotates 180° and then can spray the magnet to be sprayed on the spraying material loading plate on the other T-shaped support frame, thereby improving the spraying efficiency; when performing the spraying operation, the spraying material loading plate on the support frame can be driven to rotate by the first motor, thereby spraying the magnet to be sprayed in all directions and making the coating uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the full-automatic rotary spraying equipment for annular magnets according to an embodiment of the present invention; Figure 2is Figure 1 the front view of the fully automatic rotary spraying device for the annular magnet in Figure 3 is Figure 1 the schematic internal structure view of the fully automatic rotary spraying device for the annular magnet in Figure 4 is Figure 3 the partial enlarged view at position F in Figure 5 is Figure 3 the partial enlarged view at position M in Figure 6 the schematic structure view of the horizontal support bracket in the embodiment of the present invention; Figure 7 the schematic structure view of the rotary worktable in the embodiment of the present invention; Figure 8 is Figure 7 the partial enlarged view at position A in Figure 9 is Figure 7 the partial enlarged view at position B in Figure 10 the schematic internal structure view of the support bracket in the embodiment of the present invention; Figure 11 is Figure 10 the partial enlarged view at position C in Figure 12 is Figure 10 the partial enlarged view at position D in Figure 13 the installation structure view of the roller in the embodiment of the present invention; Figure 14 the bottom view of the rotary worktable in the embodiment of the present invention; Figure 15 is Figure 14 the partial enlarged view at position E in Detailed implementation manners

[0016] The present invention will be described in detail below with reference to the drawings and in conjunction with the embodiments. It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0017] As Figures 1 to 15In the embodiment of the full-automatic rotary spraying device for annular magnets of the present invention shown, for the full-automatic rotary spraying device for annular magnets, an opening is provided on one side of the cabinet body 300. A rotary workbench 100 corresponding to the opening of the cabinet body is provided outside the cabinet body 300. A rotating frame 10 is installed on the rotary workbench 100. A spraying loading plate 101 is provided on the rotating frame 10. The rotating frame 10 includes a rotating base 11 and two T-shaped support frames 12. The two support frames 12 are fixedly connected to the rotating base 11 and can rotate on the rotary workbench 100 along with the rotating base 11, so that the two spraying loading plates 101 on one of the support frames 12 rotate into the cabinet body 300. Two spraying loading plates 101 are installed on each T-shaped support frame 12. Specifically, one end of the main beam of the T-shaped support frame 12 is fixedly connected to the rotating base 11, and the other end of the main beam of the T-shaped support frame 12 is fixedly connected to the center of the cross beam. Spraying loading plates 101 are respectively installed at both ends of the cross beam. A spraying support is also installed inside the cabinet body 300. Nozzles 301 corresponding to the spraying loading plates 101 are installed on the spraying support. The spraying support includes side supports 31 fixed on two side walls of the cabinet body 300. A cross support 32 that can slide along the side supports 31 is also installed between the two side supports 31. A nozzle fixing plate 33 is slidably installed on the cross support 32. Nozzles 301 are installed on the nozzle fixing plate 33. Specifically, as Figures 2 to 6 shown, slide rails 311 are provided on the side supports 31. Sliders 323 that cooperate with the slide rails 311 are provided at both ends of the cross support 32 to ensure reliable sliding of the cross support 32. Motors and rack and belt transmission mechanisms for driving the cross support 32 to move longitudinally along the side supports 31 are installed on both side supports 31. Other forms such as belt transmission and rack transmission can also be used for the driving mechanism for the longitudinal movement of the cross support 32, which will not be elaborated here. Slide rails 321 are provided on the cross support 32. Sliders 331 that cooperate with the slide rails are installed on the nozzle fixing plate 33 to ensure reliable sliding of the nozzle fixing plate 33. Motors and rack and belt transmission mechanisms for driving the nozzle fixing plate 33 to move horizontally along the cross support 32 are also installed on the cross support 32. Other forms such as belt transmission and rack transmission can also be used for the driving mechanism for the horizontal movement of the cross support 32, which will not be elaborated here. Two nozzles 301 are fixed on the nozzle fixing plate 33. The two nozzles 301 respectively correspond to the two spraying loading plates 101 on the T-shaped support frame 12. A first motor 21 for driving the spraying material carrier plate 101 to rotate relative to the support frame 12 is further installed on the support frame 12. A first pulley 22 connected to the output shaft of the first motor 21 is provided inside the support frame 12. A guiding pulley 23 is provided at the turning point inside the support frame 12. Second pulleys 24 are further provided at both ends inside the support frame 12. The central axis of the second pulley 24 extends upward out of the support frame 12 and is fixedly connected to the spraying material carrier plate 101. The first motor 21 drives the spraying material carrier plate 101 to rotate through the first pulley 22, the guiding pulley 23, the second pulley 24 and the first transmission belt 25.

[0018] In the annular magnet full-automatic rotary spraying equipment in this application, the two T-shaped support frames on the rotary workbench can rotate relative to the rotary workbench along with the rotating seat. After the magnets to be sprayed on the spraying material carrier plate on one T-shaped support frame complete the spraying operation, the rotating seat rotates 180° and then can spray the magnets to be sprayed on the spraying material carrier plate on the other T-shaped support frame, thereby improving the spraying efficiency; during the spraying operation, the spraying material carrier plate on the support frame can be driven to rotate by the first motor, so that the magnets to be sprayed can be sprayed all-round, making the coating uniform.

[0019] In an embodiment of this application, preferably, a grid support is provided on the spraying material carrier plate 101, and annular material carrier rings 102 are evenly distributed on the upper side of the grid support. The inner diameter of the material carrier ring 102 is adapted to the outer diameter of the annular magnet 103 to be sprayed; specifically, in this embodiment, only the upper surface and the inner surface of the annular magnet 103 need to be sprayed. By providing the material carrier ring 102, the annular magnet 103 to be sprayed can be accurately positioned and limited; during the spraying process, the nozzle does not rotate, and the spraying material carrier plate 101 rotates, so that different positions on the upper surface and the inner surface of the annular magnet 103 can be sprayed, making the coating thickness uniform.

[0020] In an embodiment of this application, preferably, an installation disc 241 is further provided at the upper end of the central axis of the second pulley 24, and the spraying material carrier plate 101 is installed on the installation disc 241, making the installation of the spraying material carrier plate 101 convenient and the fixation reliable.

[0021] In an embodiment of this application, preferably, the first pulley 22, the guiding pulley 23, and the second pulley 24 are all synchronous pulleys, that is, synchronous wheels; the first transmission belt 25 is a rack belt, so that the first motor 21 can accurately drive the spraying material carrier plate 101 to rotate at a predetermined angle / speed.

[0022] In one embodiment of the present application, preferably, the rotating base 11 includes a rotating plate 111 and a fixed base 112. The fixed base 112 is disposed on the upper side of the rotating plate 111, and two support frames 12 are fixedly installed on the fixed base 112. A plurality of rollers 113 that support the lower side of the rotating plate 111 are installed on the upper side of the rotary table 100, so that the rotating plate 111 can rotate on the rotary table 100. A central through hole corresponding to the center of the rotating plate 111 is further provided on the support plate of the rotary table 100, and a central rotating shaft 114 for driving the rotation of the rotating plate 111 is installed in the central through hole. Preferably, a positioning detection piece 115 is further installed on the side edge of the rotating plate 111, and a position detection sensor 116 is provided on the support plate of the rotary table 100, whereby the relative position between the rotating plate 111 and the bottom plate 100 can be detected to determine whether the support frame 12 is in a preset position.

[0023] In one embodiment of the present application, preferably, the rollers 113 are uniformly arranged on the support plate of the rotary table 100 with the central rotating shaft 114 as the center, so that the rollers 113 can reliably support the rotating plate 111, and the rotating plate 111 can reliably rotate on the support plate of the rotary table 100.

[0024] In one embodiment of the present application, preferably, a second motor 26 for driving the rotation of the central rotating shaft 114 is further installed on the lower side of the support plate of the rotary table 100. The central rotating shaft 114 and the rotating base 11 are driven to rotate by the second motor 26, thereby driving the rotation of the rotating frame 10 to change the position of the spraying carrier plate 101.

[0025] In one embodiment of the present application, preferably, an installation frame 13 corresponding to the central through hole is provided on the lower side of the support plate of the rotary table 100. The central rotating shaft 114 and the second motor 26 are installed on the installation frame 13. A third pulley 27 located on the lower side of the support plate of the rotary table 100 is further installed on the central rotating shaft 114. A fourth pulley 28 is installed on the output shaft of the second motor 26. A second transmission belt 29 is provided between the third pulley 27 and the fourth pulley 28, whereby the central rotating shaft 114 can be reliably driven to rotate by the second motor 26.

[0026] In one embodiment of the present application, preferably, both the third pulley 27 and the fourth pulley 28 are synchronous pulleys (synchronization wheels), and the second transmission belt 29 is a rack belt, whereby the rotation angle of the central rotating shaft 114 can be accurately controlled.

[0027] In one embodiment of the present application, preferably, a plurality of connecting and fixing beams 14 are further provided between the two T-shaped support frames 12, so that the two support frames 12 are fixedly reliable.

[0028] In an embodiment of the present application, a full-automatic rotary spraying method for an annular magnet is further provided. Based on the above full-automatic rotary spraying equipment for an annular magnet, the method further includes the following steps: S100. Place the annular magnet to be sprayed on the spraying material loading plates on the two support frames, and rotate the two spraying material loading plates on one of the support frames into the cabinet; adjust the orientation of the nozzle so that the nozzle is aligned with the annular magnet to be sprayed on the spraying material loading plate; S200. Control the nozzle fixing plate to move horizontally along the horizontal support in the cabinet to sequentially spray the first row of annular magnets to be sprayed on the spraying material loading plates; S300. After the nozzle fixing plate moves horizontally to a predetermined position to complete one horizontal movement, control the horizontal support to move longitudinally along the side support by a predetermined distance so that the nozzle is aligned with the second row of annular magnets; then control the nozzle fixing plate to move horizontally along the horizontal support in the cabinet to sequentially spray the second row of annular magnets; repeat this step to sequentially complete the spraying of each row of annular magnets; S400. Start the first motor on the support frame extending into the cabinet to rotate the spraying material loading plate on the support frame by 90°, and repeat step S200 and step S300; rotate the spraying material loading plate by 90° again and repeat step S200 and step S300; rotate the spraying material loading plate by 90° again and repeat step S200 and step S300 to complete the spraying operation; S500. The rotating frame rotates the support frame that has completed the spraying operation to the outside of the cabinet, and rotates the support frame to be sprayed into the cabinet, and repeat the above steps S200 to step S400.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fully automatic rotary spraying device for annular magnets, with an opening on one side of the cabinet, characterized in that: A rotating workbench corresponding to the opening of the cabinet is provided outside the cabinet, and a rotating frame is installed on the rotating workbench, and a spray loading plate is provided on the rotating frame; the rotating frame includes a rotating seat and two T-shaped support frames, and each of the T-shaped support frames is equipped with two spray loading plates; the two support frames are fixedly connected to the rotating seat and can rotate on the rotating workbench with the rotating seat, so that the two spray loading plates on one of the support frames rotate into the cabinet; a spray bracket is also installed in the cabinet, and a nozzle corresponding to the spray loading plate is installed on the spray bracket; the spray bracket includes side brackets fixed on the two side walls of the cabinet, and there is also a side bracket between the two side brackets. A cross bracket that can slide along the side bracket is installed, and a nozzle fixing plate is slidably installed on the cross bracket, and the nozzle fixing plate is installed on the nozzle fixing plate; the support frame is also equipped with a first motor for driving the spray loading plate to rotate relative to the support frame, and a first pulley connected to the output shaft of the first motor is provided in the support frame, and a guide pulley is provided at a turning point in the support frame, and a second pulley located at two ends is also provided in the support frame, and the central axis of the second pulley extends upward from the support frame and is fixedly connected to the spray loading plate, and the first motor drives the spray loading plate to rotate through the first pulley, the guide pulley, the second pulley and the first transmission belt.

2. The fully automatic rotary spraying equipment for annular magnets according to claim 1 is characterized in that: The spraying material carrier plate is provided with a grid support, and an annular material carrier ring is evenly distributed on the upper side of the grid support. The inner diameter of the material carrier ring is adapted to the outer diameter of the annular magnet to be sprayed.

3. The fully automatic rotary spraying equipment for annular magnets according to claim 1 is characterized in that: The first pulley, the guide pulley and the second pulley are all synchronous pulleys, and the first transmission belt is a rack belt.

4. The fully automatic rotary spraying equipment for annular magnets according to claim 1 is characterized in that: The rotating seat includes a rotating plate and a fixed seat, the fixed seat is arranged on the upper side of the rotating plate, and the two support frames are installed and fixed on the fixed seat; a plurality of rollers supported on the lower side of the rotating plate are installed on the upper side of the support plate of the rotating workbench so that the rotating plate can rotate on the rotating workbench; a central through hole corresponding to the center of the rotating plate is also provided on the support plate of the rotating workbench, and a central rotating shaft driving the rotating plate to rotate is installed in the central through hole.

5. The fully automatic rotary spraying equipment for annular magnets according to claim 4 is characterized in that: The rollers are evenly arranged on the support plate of the rotary table with the central rotation axis as the center.

6. The fully automatic rotary spraying equipment for annular magnets according to claim 5 is characterized in that: A second motor for driving the central shaft to rotate is also installed on the lower side of the support plate of the rotary workbench.

7. The fully automatic rotary spraying equipment for annular magnets according to claim 6 is characterized in that: A mounting frame corresponding to the central through hole is provided on the lower side of the support plate of the rotating worktable, and the central rotating shaft and the second motor are mounted on the mounting frame. A third pulley located on the lower side of the base plate is also mounted on the central rotating shaft, and a fourth pulley is mounted on the output shaft of the second motor. A second transmission belt is provided between the third pulley and the fourth pulley.

8. The fully automatic rotary spraying equipment for annular magnets according to claim 7 is characterized in that: The third pulley and the fourth pulley are both synchronous pulleys, and the second transmission belt is a rack belt.

9. The fully automatic rotary spraying equipment for annular magnets according to claim 1 is characterized in that: A plurality of connecting and fixing beams are also arranged between the two T-shaped support frames.

10. A method for fully automatic rotary spraying of an annular magnet, characterized in that: The fully automatic rotary spraying device for annular magnets according to any one of claims 1 to 9 further comprises the following steps: S100, placing an annular magnet to be sprayed on the spraying material carrier plates on the two support frames, rotating the two spraying material carrier plates on one of the support frames into the cabinet; adjusting the direction of the nozzle so that the nozzle is aligned with the annular magnet to be sprayed on the spraying material carrier plates; S200, controlling the nozzle fixing plate to move laterally along the horizontal bracket in the cabinet to sequentially spray the first row of annular magnets to be sprayed on the spraying carrier plate; S300, after the nozzle fixing plate is moved horizontally to a predetermined position and completes one horizontal movement, the horizontal bracket is controlled to move longitudinally along the side bracket by a predetermined distance so that the nozzle is aligned with the second row of annular magnets; the nozzle fixing plate is controlled to move horizontally along the horizontal bracket in the cabinet again to spray the second row of annular magnets in sequence; this step is repeated to complete the spraying of each row of annular magnets in sequence; S400, start the first motor on the support frame extending into the cabinet, so that the spraying material carrier on the support frame rotates 90°, and repeat steps S200 and S300; rotate the spraying material carrier 90° again and repeat steps S200 and S300; rotate the spraying material carrier 90° again and repeat steps S200 and S300 to complete the spraying operation; S500, the rotating frame rotates the support frame that has completed the spraying operation to the outside of the cabinet, and the support frame to be sprayed is rotated into the cabinet, and the above steps S200 to S400 are repeated.

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