Internal-fixing external-rotating coating jig

Abstract

The utility model discloses an inside-outside rotary coating jig. The inside-outside rotary coating jig comprises a primary jig and a secondary jig, the primary jig comprises a fixed shaft and a rotating shaft, the periphery of the fixed shaft is sleeved with the rotating shaft, the fixed shaft is rotatably connected with the rotating shaft, the rotating shaft is used for being connected with coating equipment, and the coating equipment can drive the rotating shaft to rotate; the secondary jig comprises a rotating disc, the rotating disc is detachably connected with one end of the rotating shaft in a limiting mode, a fixed gear and a plurality of autorotation gears are arranged in the rotating disc, the fixed gear and the autorotation gears are connected with the rotating disc in a rotatable limiting mode, the fixed gear is detachably connected with the fixed shaft, and the autorotation gears are connected with the fixed gear in an engaged mode. And product mounting assemblies are respectively arranged on the autorotation gears. The workpiece can be driven to rotate in the coating process, it is ensured that the peripheral side walls of the workpiece can be evenly coated, the machining efficiency and the machining yield are improved, and coating materials can be effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of coating jigs, in particular to an internally fixed and externally rotating coating jig. Background Art

[0002] Painting is an important part of the surface manufacturing process, which can prevent rust, corrosion and beautify the appearance of the product. The quality of product appearance not only reflects the protection and decorative performance of the product, but is also an important factor in the value of the product. In the painting operation, when processing some small workpieces, multiple workpieces are usually installed on the painting jig for painting together, thereby improving the processing efficiency. The existing painting jig is provided with multiple workpiece mounting positions, which are fixedly connected to the painting jig; during processing, the painting equipment can drive the painting jig to rotate, so as to paint each workpiece installed on the painting jig separately.

[0003] However, during the rotation of the existing coating jig, the workpiece and the coating jig are always relatively still. After the workpiece is coated once, it is easy for the surface of the workpiece to have uneven thickness on the positive and negative sides. Therefore, after the existing coating jig is processed once by the coating equipment, the workpiece needs to be manually turned before the second coating, which not only seriously affects the processing efficiency and wastes coating materials; even if the manual turning operation is performed, it is difficult to eliminate the problem of uneven workpiece surface, resulting in a high rate of defective coating products. Utility Model Content

[0004] In order to solve some or all of the problems existing in the above-mentioned prior art, the utility model provides an internally fixed and externally rotating coating jig, comprising a primary jig and a secondary jig, wherein the secondary jig is detachably connected to the primary jig; the primary jig comprises a fixed shaft and a rotating shaft, wherein the rotating shaft is sleeved on the periphery of the fixed shaft, and the fixed shaft is rotatably connected to the rotating shaft, the rotating shaft is used to be connected to a coating device, and the coating device can drive the rotating shaft to rotate; the secondary jig comprises a rotating disk, wherein the rotating disk is detachably and limitably connected to one end of the rotating shaft, a fixed gear and a plurality of self-rotating gears are arranged in the rotating disk, the fixed gear and the self-rotating gear are respectively rotatably and limitably connected to the rotating disk, the fixed gear is detachably connected to the fixed shaft, the self-rotating gears are respectively meshed with the fixed gears, and the self-rotating gears are respectively provided with product installation components.

[0005] As a further improvement of the present invention, the product installation assembly includes a mounting shaft, the mounting shaft passes through the self-rotating gear and is connected to the self-rotating gear, and one end of the mounting shaft extends out of the upper end surface of the rotating disk.

[0006] As a further improvement of the present invention, a wear-resistant ring is respectively provided on the upper and lower sides of the self-rotating gear, the wear-resistant ring is sleeved on the periphery of the mounting shaft, and the wear-resistant rings are movably connected to the mounting shaft respectively, and a mounting groove is provided on the inner side wall of the rotating disk, and the wear-resistant rings are respectively connected to the mounting groove in a limiting manner.

[0007] As a further improvement of the present invention, the number of the self-rotating gears is 15, and the 15 self-rotating gears are distributed in a circular array with the center of the rotating disk.

[0008] As a further improvement of the utility model, limiting bosses are respectively provided at the center positions of the upper and lower end surfaces of the fixed gear, and limiting grooves adapted to the limiting bosses are provided on the inner side walls of the rotating disk, and the limiting bosses are respectively movably limitedly connected to the limiting grooves.

[0009] As a further improvement of the present invention, a first plug-in hole is provided at the center position of the limiting boss, and a limiting portion is provided at one end of the fixed shaft, and the limiting portion is detachably limitedly plugged into the first plug-in hole.

[0010] As a further improvement of the present invention, the cross-sectional shape of the first plugging hole is a square, and the shape of the limiting portion is adapted to the first plugging hole.

[0011] As a further improvement of the present invention, a plug-in portion is provided on the lower end surface of the rotating disk, a second plug-in hole is provided in the plug-in portion, the second plug-in hole is communicated with the first plug-in hole, a clamping groove is provided on the side wall of the plug-in portion, the rotating shaft can be inserted into the second plug-in hole, and a clamping protrusion is provided on the outer side wall of the rotating shaft, and the clamping protrusion is detachably clamped to the clamping groove.

[0012] As a further improvement of the present invention, the number of the clamping grooves and the number of the clamping protrusions are two respectively, and the clamping grooves and the clamping protrusions are arranged in a one-to-one correspondence, and the two clamping grooves are symmetrically distributed along the central axis of the rotating disk.

[0013] As a further improvement of the utility model, a limit bearing is sleeved on the fixed shaft, the limit bearing is connected to the rotating shaft, a rotating seat is provided at one end of the rotating shaft away from the rotating disk, and the rotating seat is used to connect to the driving device of the coating equipment.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model can drive the product installation component to rotate relative to the rotating disk through the cooperation of the primary fixture and the secondary fixture, so that the workpiece can rotate during the coating process, which is convenient for the coating equipment to coat the surrounding sides of the workpiece on the product installation component, ensuring that the surrounding side walls of the workpiece can be coated evenly without manual steering, thereby improving the processing efficiency and the processing yield rate, and can effectively save coating materials.

[0016] Before processing, the workpiece is mounted on the product installation assembly, and then the secondary fixture is mounted on the primary fixture, so that the rotating shaft is limitedly connected to the rotating disk, and the fixed shaft is limitedly connected to the fixed gear. During processing, the coating equipment drives the rotating shaft to rotate, which in turn drives the rotating disk to rotate, and the rotating disk drives the self-rotating gear to move together. At this time, the fixed gear is limited by the fixed shaft and cannot rotate, and the self-rotating gear is meshed with the fixed gear respectively, so that the self-rotating gear will also rotate in place in the rotating disk during the movement, thereby driving the product installation assembly and the workpiece to rotate synchronously, realizing the function of driving the workpiece to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 It is a structural schematic diagram of a primary fixture in an embodiment of the utility model;

[0020] Figure 3 It is a structural schematic diagram of a secondary fixture in an embodiment of the utility model;

[0021] Figure 4 It is a structural schematic diagram of a rotating disk in an embodiment of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure inside the rotating disk in the embodiment of the utility model. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by technicians in the technical field of the present invention; the terms used in the specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order.

[0024] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive, independent, or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present invention may be combined with other embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] like Figure 1-5 As shown, an internally fixed and externally rotating coating jig includes a primary jig 100 and a secondary jig 200. The primary jig 100 and the secondary jig 200 are detachably connected. The primary jig 100 is fixedly mounted on the coating equipment, and the secondary jig 200 is used to install the workpiece to be coated.

[0027] The primary fixture 100 includes a fixed shaft 1 and a rotating shaft 2. A limited bearing 3 is sleeved on the fixed shaft 1. The outer ring of the limited bearing 3 is fixedly connected to the inner side wall of the rotating shaft 2. The limited bearing 3 allows the rotating shaft 2 to rotate in situ on the fixed shaft 3. The rotating shaft 2 is used to connect with the coating equipment, and the driving device of the coating equipment can drive the rotating shaft 2 to rotate in situ; specifically, a rotating seat 4 is fixedly installed at one end of the rotating shaft 2, and the outer side wall of the rotating seat 4 is provided with engaging teeth. The rotating seat 4 is fixedly connected to the driving device of the coating equipment, and the engaging teeth make the rotating seat 4 connected and fixed to the coating equipment, thereby preventing the rotating seat 4 from loosening and rotating, and improving the stability of the transmission.

[0028] The secondary fixture 200 includes a rotating disk 5, which is detachably limitedly connected to one end of the rotating shaft 2 away from the rotating seat 4. When the rotating disk 5 is connected to the rotating shaft 2, the rotating shaft 2 can drive the rotating disk 5 to rotate synchronously. The purpose of adopting the open and detachable connection method is to facilitate the removal of the rotating disk 5, so as to facilitate the installation of the workpiece to be painted on the rotating disk 5. A fixed gear 6 and a plurality of self-rotating gears 7 are arranged in the rotating disk 5. The fixed gear 6 and the self-rotating gear 7 are respectively rotatably limitedly connected to the rotating disk 5, and the fixed gear 6 is detachably connected to the fixed shaft 1; when the coating equipment drives the rotating disk 5 to rotate, the fixed gear 6 is limited by the fixed shaft 1, so that the fixed gear 6 cannot move synchronously with the rotating disk 5. The self-rotating gears 7 are respectively meshed and connected with the fixed gears 6, and the self-rotating gears 7 are respectively provided with product installation components.

[0029] Before processing, first install the workpieces on the product installation assembly respectively; then connect the rotating disk 5 and the rotating shaft 2 to limit the position, and connect the fixed shaft 1 and the fixed gear 6 to fix. During processing, the coating equipment drives the rotating disk 5 to rotate through the rotating shaft 2, and the rotating disk 5 will drive all the self-rotating gears 7 to move synchronously; at this time, the fixed gear 6 is limited by the fixed shaft 1 and cannot rotate, so that the self-rotating gear 7 is driven by the meshing transmission of the fixed gear 6, and will rotate in the rotating disk 5, thereby driving the workpiece to rotate. In this internally fixed and externally rotating coating fixture, the workpiece can be driven to rotate on the rotating disk 5 through the cooperation of the fixed gear 6 and the self-rotating gear 7, which is convenient for the coating equipment to coat all sides of the workpiece, ensuring that all sides of the workpiece can be coated and the coating is uniform; the processing efficiency and processing yield rate are improved, and the coating materials can also be effectively saved.

[0030] The product installation assembly includes a mounting shaft 8, which passes through the self-rotating gear 7 and is fixedly connected to the self-rotating gear 7, and one end of the mounting shaft 8 extends out of the upper end surface of the rotating disk 5. The mounting shaft 8 extending out of one end of the rotating disk 5 can be used as an external fixture to facilitate the installation of the workpiece to be painted; at the same time, some small workpieces with holes can also be directly installed on the mounting shaft 8 for painting.

[0031] In order to limit the position of the self-rotating gear 7, a wear-resistant ring 9 is respectively provided on the upper and lower sides of the self-rotating gear 7, the wear-resistant ring 9 is sleeved on the periphery of the installation shaft 8, and the wear-resistant ring 9 is movably connected with the installation shaft 8, and the inner wall of the rotating disk 5 is provided with a mounting groove 51, and the wear-resistant ring 9 is respectively connected with the mounting groove 51. The provision of the wear-resistant ring 9 can prevent the self-rotating gear 7 or the installation shaft 8 from contacting the rotating disk 5, reduce the wear of the rotating disk 5, and thus improve the service life; on the other hand, the position of the self-rotating gear 7 can also be limited by the cooperation of the wear-resistant ring 9 and the mounting groove 51, so as to prevent the self-rotating gear 7 from moving during operation, thereby improving the stability of the transmission.

[0032] In this embodiment, there are 15 self-rotating gears 7, and the 15 self-rotating gears 7 are distributed on the rotating disk 5 in a circular array along the center of the rotating disk 5; each self-rotating gear 7 is installed with a mounting shaft 8, so that the internal fixed external rotating coating fixture can simultaneously install 15 workpieces to be coated, greatly improving the processing efficiency. In other embodiments, the number of self-rotating gears 7 can also be any other number.

[0033] In order to limit the position of the fixed gear 6, a limiting boss 61 is provided at the center position of the upper and lower end surfaces of the fixed gear 6, and a limiting groove 52 adapted to the limiting boss 61 is provided on the inner side wall of the rotating disk 5, and the limiting boss 61 is movably limitedly connected with the corresponding limiting groove 52. The cooperation of the limiting boss 61 and the limiting groove 52 can limit the installation position of the fixed gear 6 in the rotating disk 5, so as to avoid the fixed gear 6 from moving during operation and improve the stability of the structure. On the other hand, a bearing can be installed in the limiting groove 52. After the fixed gear 6 is installed in place, the limiting boss 61 is slidably matched with the inner ring of the bearing. By arranging the bearing in the limiting groove 52, the friction between the rotating disk 5 and the fixed gear 6 can be reduced, thereby extending the service life of the internally fixed and externally rotating coating jig.

[0034] A first plug-in hole 62 is provided at the center of the limiting boss 61, and a limiting portion 11 is provided at one end of the fixed shaft 1. The shape of the limiting portion 11 matches the shape of the first plug-in hole 62, and the limiting portion 11 and the first plug-in hole 62 are detachably limited and plugged. Through the cooperation of the limiting portion 11 and the first plug-in hole 62, the fixed shaft 1 and the fixed gear 6 are limitedly connected and fixed. In this embodiment, the cross-sectional shape of the first plug-in hole 62 and the limiting portion 11 is a square. On the one hand, it can prevent the fixed shaft 1 and the fixed gear 6 from rotating relative to each other. On the other hand, the square shape can also be used without considering the direction of plug-in, and plug-in can be completed in four directions, which can improve the loading and unloading efficiency of the primary fixture 100 and the secondary fixture 200.

[0035] The lower end surface of the rotating disk 5 is provided with a plug-in portion 53, and a second plug-in hole 54 is provided in the plug-in portion 53. The second plug-in hole 54 is connected with the first plug-in hole 62. A snap-in groove 55 is provided on the side wall of the plug-in portion 53, and a snap-in protrusion 21 is provided on the outer side wall of the rotating shaft 2. The snap-in protrusion 21 and the snap-in groove 55 are detachably snap-in. When assembling the primary fixture 100 and the secondary fixture 200, the limiting portion 11 passes through the second plug-in hole 54 and is inserted into the first plug-in hole 62, and the rotating shaft 2 is inserted into the second plug-in hole 54; until the snap-in protrusion 21 snaps into the snap-in groove 55; through the cooperation of the snap-in protrusion 21 and the snap-in groove 55, the rotating shaft 2 and the rotating disk 5 can be limited and fixed, so that the rotating shaft 2 can drive the rotating disk 5 to rotate.

[0036] In this embodiment, there are two snap-in slots 55 and two snap-in protrusions 21, and the snap-in slots 55 and the snap-in protrusions 21 are arranged one-to-one. By arranging two snap-in protrusions 21 and snap-in slots 55, the stability of the connection between the primary fixture 100 and the secondary fixture 200 can be improved; the two snap-in slots 55 are symmetrically distributed along the central axis of the rotating disk 5, so that the secondary fixture 200 can be installed on the primary fixture 100 in two directions at will during loading and unloading, without specifying the direction of installation, which can improve the efficiency of loading and unloading. In other embodiments, the number of snap-in slots 55 and snap-in protrusions 21 can also be any other number, as long as the positions of the two are ensured to correspond one-to-one.

[0037] Working principle:

[0038] Before processing, the secondary fixture 200 can be removed from the primary fixture 100; then the workpiece to be coated can be sequentially mounted on the mounting shaft 8. Afterwards, the limiting portion 11 can be inserted into the first plug hole 62 by aligning the limiting portion 11 and the first plug hole 62, so that the fixed shaft 1 and the fixed gear 6 are plugged and limited; at the same time, the rotating shaft 2 is rotated, the clamping protrusion 21 and the clamping groove 55 are aligned, and the rotating shaft 2 is inserted into the second plug hole 54 until the clamping protrusion 21 is clamped into the clamping groove 55, so that the rotating shaft 2 and the rotating disk 5 are clamped and limited.

[0039] During operation, the driving device of the coating equipment drives the rotating seat 4 to rotate, and then drives the rotating shaft 2 to rotate. The rotating shaft 2 drives the rotating disk 5 to rotate together, and the rotating disk 5 drives all the self-rotating gears 7 and the workpiece to move together; at this time, the fixed gear 6 is limited by the fixed shaft 1 and cannot rotate, so that the self-rotating gear 7 is driven by the meshing of the fixed gear 6 and will rotate in place in the rotating disk 5, driving the installation shaft 8 and the workpiece to rotate synchronously, so as to achieve the purpose of driving the workpiece on the installation shaft 8 to rotate. The workpiece rotates during the coating process, so that the coating equipment can evenly coat the side walls of the workpiece, without manually adjusting the direction of the workpiece, which not only improves the processing efficiency, but also reduces the waste of coating materials.

[0040] The above-mentioned specific implementation mode is a preferred implementation mode of the present utility model, and is not intended to limit the specific implementation scope of the present utility model. The scope of the present utility model includes but is not limited to the specific implementation mode. All equivalent changes made in accordance with the present utility model are within the protection scope of the present utility model.

Claims

1. An internal fixed and external rotating coating fixture, characterized in that: It includes a primary fixture and a secondary fixture, and the secondary fixture is detachably connected to the primary fixture; The primary fixture comprises a fixed shaft and a rotating shaft, wherein the rotating shaft is sleeved on the periphery of the fixed shaft, and the fixed shaft is rotatably connected to the rotating shaft, and the rotating shaft is used to be connected to the coating equipment, and the coating equipment can drive the rotating shaft to rotate; The secondary fixture includes a rotating disk, which is detachably connected to one end of the rotating shaft. A fixed gear and a plurality of self-rotating gears are provided inside the rotating disk. The fixed gear and the self-rotating gear are respectively rotatably connected to the rotating disk. The fixed gear is detachably connected to the fixed shaft. The self-rotating gears are respectively meshed with the fixed gears, and the self-rotating gears are respectively provided with product installation components.

2. The inner-fixed and outer-rotating coating fixture according to claim 1 is characterized in that: The product installation assembly includes a mounting shaft, the mounting shaft passes through the self-rotating gear and is connected to the self-rotating gear, and one end of the mounting shaft extends out of the upper end surface of the rotating disk.

3. The inner-fixed and outer-rotating coating fixture according to claim 2 is characterized in that: A wear-resistant ring is respectively provided on the upper and lower sides of the rotating gear, the wear-resistant ring is sleeved on the periphery of the mounting shaft, and the wear-resistant rings are movably connected to the mounting shaft respectively, a mounting groove is provided on the inner side wall of the rotating disk, and the wear-resistant rings are respectively connected to the mounting groove in a limiting manner.

4. The inner-fixed and outer-rotating coating fixture according to claim 1 is characterized in that: The number of the self-rotating gears is 15, and the 15 self-rotating gears are distributed in a circular array with the center of the rotating disk.

5. The inner-fixed and outer-rotating coating jig according to any one of claims 1 to 4, characterized in that: Limiting bosses are respectively arranged at the center positions of the upper and lower end surfaces of the fixed gear, and limiting grooves matched with the limiting bosses are arranged on the inner side wall of the rotating disk, and the limiting bosses are respectively movably limitedly connected with the limiting grooves.

6. The inner-fixed and outer-rotating coating fixture according to claim 5 is characterized in that: A first plugging hole is provided at the center position of the limiting boss, and a limiting portion is provided at one end of the fixed shaft. The limiting portion is detachably limitedly plugged into the first plugging hole.

7. The inner-fixed and outer-rotating coating fixture according to claim 6 is characterized in that: The cross-sectional shape of the first plugging hole is a square, and the shape of the limiting portion is adapted to the first plugging hole.

8. The inner-fixed and outer-rotating coating fixture according to claim 6, characterized in that: A plug-in portion is provided on the lower end surface of the rotating disk, and a second plug-in hole is provided in the plug-in portion, the second plug-in hole is communicated with the first plug-in hole, a clamping groove is provided on the side wall of the plug-in portion, the rotating shaft can be inserted into the second plug-in hole, and a clamping protrusion is provided on the outer side wall of the rotating shaft, and the clamping protrusion is detachably clamped with the clamping groove.

9. The inner-fixed and outer-rotating coating fixture according to claim 8, characterized in that: There are two clamping grooves and two clamping protrusions respectively, and the clamping grooves are arranged in a one-to-one correspondence with the clamping protrusions. The two clamping grooves are symmetrically distributed along the central axis of the rotating disk.

10. The internally fixed and externally rotating coating jig according to any one of claims 1 to 4 or any one of claims 6 to 9, characterized in that: A limit bearing is sleeved on the fixed shaft, and the limit bearing is connected to the rotating shaft. A rotating seat is provided at one end of the rotating shaft away from the rotating disk, and the rotating seat is used to be connected to a driving device of the coating equipment.

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