Paint spraying device for sheet metal machining

Abstract

The invention relates to the technical field of paint spraying of sheet metal parts, and provides a paint spraying device for sheet metal machining, which comprises a support frame, a plurality of sliding blocks capable of sliding are arranged in the support frame in the circumferential direction, a suspension shaft is rotatably connected in each sliding block, and a hook for hanging a workpiece is arranged at the bottom of each suspension shaft; and the supporting frame is provided with a rotatable driving gear at the center of the plurality of sliding blocks. The defects in the prior art are overcome, the design is reasonable, the structure is compact, the distance between workpieces can be controlled through movement of the sliding block, the workpieces of different sizes can be conveniently hung for paint spraying, the hook can still be driven by the same driving gear to rotate after displacement, on one hand, the workpieces of different sizes can be conveniently subjected to rotary paint spraying, and on the other hand, the work efficiency is improved. And only one driving device is needed, all the workpieces can be integrally controlled to conduct autorotation paint spraying at the same time, the high cost caused by independently arranging driving equipment for each workpiece is effectively avoided, and the equipment investment is greatly saved.

Description

Technical Field

[0001] The present invention relates to the technical field of sheet metal part painting, and specifically relates to a painting device for sheet metal processing. Background Art

[0002] Sheet metal parts are metal sheet components processed by processes such as shearing, bending, stamping, and welding, and are widely used in fields such as machinery, electronics, automobiles, aerospace, and construction. Sheet metal parts are prone to corrosion, wear, and scratches during processing, transportation, and use, resulting in a shortened service life. To ensure the performance of sheet metal parts and extend their service life, it is particularly necessary to perform circumferential painting treatment on their outer surfaces. There are many limitations in the current field of sheet metal part painting processing.

[0003] On the one hand, for workpieces of different sizes, it is difficult for traditional devices to achieve flexible suspension and position adjustment. During the painting process, it is impossible to quickly and accurately control the distance between each workpiece according to the size of the workpiece, resulting in uneven painting, affecting the surface quality of the workpiece and the painting effect. Moreover, different workpieces often require separate driving devices to perform self-rotating painting, which not only increases the complexity and floor area of the device, but also greatly increases the production cost. For this reason, we propose a painting device for sheet metal processing. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a painting device for sheet metal processing, which overcomes the deficiencies of the prior art, is reasonably designed, has a compact structure, and solves the problems that when painting sheet metal parts, it is impossible to quickly and accurately adjust according to the size of the workpiece and requires separate driving for different workpieces.

[0006] (2) Technical Solutions

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: A painting device for sheet metal processing, including a support frame, wherein a number of slidable sliders are circumferentially arranged inside the support frame, a suspension shaft is rotatably connected inside each slider, and a hook for hanging the workpiece to be processed is provided at the bottom of the suspension shaft;

[0008] A rotatable driving gear is installed at the center of the support frame among a number of sliders, an outer wall of the driving gear is meshed with a transmission gear, an outer wall of the transmission gear is meshed with a driven gear, a driving shaft is provided at the center of the top of the driving gear, the driving shaft is hinged to the central axis of the transmission gear through a first connecting rod, the central axis of the transmission gear is hinged to the top of the suspension shaft through a second connecting rod, and the top of the suspension shaft penetrates through the center of the driven gear and can rotate therewith.

[0009] Preferably, a first motor is provided at the bottom of the support frame, a rotating frame is provided at the output end of the first motor, several third connecting rods are circumferentially rotatably connected to the outer wall of the rotating frame, and one side of the third connecting rod away from the rotating frame is hinged to the bottom of the slider.

[0010] Preferably, an anti - detachment part is provided on the hook. The anti - detachment part includes extension shafts arranged on both sides of the hook rod part. Rotating plates are sleeved on the outer walls of both extension shafts. A torsion spring is connected between the rotating plate and the hook rod part. A limiting column is commonly connected to the sides of both rotating plates away from the hook rod part. The limiting column abuts against the inner side of the end of the hook part of the hook, forming a self - locking anti - detachment structure.

[0011] Preferably, the support frame includes a central frustum and several outward - extending extension plates. A chute penetrating the upper and lower surfaces is opened inside the extension plate for the slider to slide inside.

[0012] Preferably, connecting frames are connected to the sides of several extension plates away from the central frustum. The tops of several connecting frames are commonly connected by several connecting columns to a positioning disk. A second motor is connected to the bottom of the positioning disk, and the output shaft of the second motor is connected to the driving shaft.

[0013] Preferably, the cross - section of the slider is integrally in an I - shaped structure to limit the rotational freedom of the slider in the chute.

[0014] Preferably, the hook is detachably connected to the suspension shaft. The top of the hook is a threaded rod, which is screwed into the inside of the bottom of the suspension shaft through the top threaded rod.

[0015] (III) Beneficial Effects

[0016] The embodiment of the present invention provides a painting device for sheet metal processing, having the following beneficial effects:

[0017] 1. By moving the slider, the distance between each workpiece can be controlled, which is convenient for hanging workpieces of different sizes for painting. After the hook is displaced, it can still rotate driven by the same driving gear. On the one hand, it is convenient to rotate and paint workpieces of different sizes to increase the uniformity of painting on the outer surface of the workpiece. On the other hand, only one driving device is needed to control all workpieces to rotate and paint simultaneously, effectively avoiding the high cost brought by separately setting driving equipment for each workpiece, and greatly saving equipment investment.

[0018] 2. The hook is provided with a self - locking anti - detachment part structure, which can prevent the processed parts from detaching during rotation. When removing the processed parts, the operation is simple, improving safety and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three - dimensional schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Schematic upward view of the structure;

[0021] Figure 3 Schematic top-down perspective view of the drive gear structure of the present invention;

[0022] Figure 4 Schematic top-down perspective view of the extension plate structure of the present invention;

[0023] Figure 5 Schematic upward view of the third connecting rod structure of the present invention;

[0024] Figure 6 Schematic upward perspective view of the drive gear structure of the present invention;

[0025] Figure 7 Schematic perspective view of the hook structure of the present invention.

[0026] In the figure: 1, support frame; 11, extension plate; 12, sliding groove; 13, connecting frame; 14, connecting column; 15, positioning disk; 16, second motor; 2, slider; 3, suspension shaft; 4, hook; 41, extension shaft; 42, rotating plate; 43, torsion spring; 44, limiting column; 51, drive gear; 52, transmission gear; 53, driven gear; 54, drive shaft; 55, first connecting rod; 56, second connecting rod; 61, first motor; 62, rotating frame; 63, third connecting rod. Specific embodiments

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Referring to the attached Figures 1-7 , a painting device for sheet metal processing, including a support frame 1 with a central symmetry structure. A plurality of slidable sliders 2 are circumferentially arranged inside the support frame 1. A suspension shaft 3 is rotatably connected inside each slider 2. A hook 4 for hanging the workpiece to be processed is provided at the bottom of the suspension shaft 3. The workpiece to be processed is hung on the hook 4, and then by moving the slider 2, the distance between the workpieces on several hooks 4 can be controlled, which is convenient for painting operations after hanging workpieces of different sizes;

[0029] The support frame 1 is installed with a rotatable drive gear 51 at the center of a number of sliders 2. The outer wall of the drive gear 51 is meshed and connected with a transmission gear 52, and the outer wall of the transmission gear 52 is meshed and connected with a driven gear 53. At the center of the top of the drive gear 51, there is a drive shaft 54. The drive shaft 54 is hinged to the central axis of the transmission gear 52 through a first connecting rod 55. The two ends of the first connecting rod 55 are respectively rotatably connected to the drive shaft 54 and the central axis of the transmission gear 52, so as to maintain the meshing connection relationship when the relative positions of the drive gear 51 and the transmission gear 52 change. The central axis of the transmission gear 52 is hinged to the top of the suspension shaft 3 through a second connecting rod 56. The top of the suspension shaft 3 passes through the center of the driven gear 53 and can rotate therewith. The two ends of the second connecting rod 56 are respectively rotatably connected to the transmission gear 52 and the suspension shaft 3, so as to maintain the meshing connection relationship when the relative positions of the transmission gear 52 and the driven gear 53 change. When the drive gear 51 rotates, the transmission gear 52 drives the driven gear 53 to rotate. Combining the hinging effects of the first connecting rod 55 and the second connecting rod 56, it can be ensured that after the suspension shaft 3 follows the slider 2 to perform a displacement movement, it can still be driven to rotate by the driven gear 53, and further enables the hook 4 to still rotate under the drive of the drive gear 51 after the displacement movement. On the one hand, it is convenient to carry out rotary painting operations on workpieces of different sizes. Regardless of the size of the workpiece, uniform painting can be achieved by means of the rotation of the hook 4. On the other hand, only one drive device is required to overall control all workpieces to perform self-rotation painting simultaneously, effectively avoiding the high cost brought by separately setting drive devices for each workpiece, and greatly saving equipment investment.

[0030] At the bottom of the support frame 1, there is a first motor 61. The output end of the first motor 61 is provided with a rotating frame 62. The outer wall of the rotating frame 62 is circumferentially and rotatably connected with a number of third connecting rods 63. The side of the third connecting rod 63 far from the rotating frame 62 is hinged to the bottom of the slider 2. When the first motor 61 is started, at this time, the first motor 61 drives the rotating frame 62 to rotate, and further drives the movement of the slider 2 through the third connecting rod 63, thereby adjusting the positions of the suspension shaft 3 and the hook 4, facilitating the adjustment of the position of the hook 4 to suspend different workpieces.

[0031] The hook 4 is provided with an anti - detachment part. The anti - detachment part includes extension shafts 41 arranged on both sides of the rod part of the hook 4. Rotating plates 42 are sleeved on the outer walls of the extension shafts 41 on both sides. A torsion spring 43 is connected between the rotating plate 42 and the rod part of the hook 4. A limiting column 44 is commonly connected to the sides of the two rotating plates 42 away from the rod part of the hook 4. The limiting column 44 abuts against the inner side of the end of the hook part of the hook 4, forming a self - locking anti - detachment structure. When the workpiece is hung on the hook part of the hook 4, under the action of the torsion spring 43, the limiting column 44 will abut against the inner side of the end of the hook part of the hook 4, preventing the workpiece from detaching from the hook 4 during the rotation process. When it is necessary to remove the workpiece, manually pull down the rotating plate 42, so that the limiting column 44 is away from the hook part of the hook 4, and the workpiece can be easily removed, effectively improving the safety and convenience of use of the hanging device.

[0032] The support frame 1 includes a central frustum and several outward - extending extension plates 11. A chute 12 penetrating its upper and lower surfaces is formed inside the extension plate 11 for the slider 2 to slide inside. The support frame 1 composed of the central frustum and the extension plates 11 has a stable structure. The chute 12 can provide stable support and limitation for the movement of the slider 2 to ensure the stability of the movement of the slider 2.

[0033] A connecting frame 13 is connected to the side of each of the several extension plates 11 away from the central frustum. The tops of the several connecting frames 13 are commonly connected to a positioning disk 15 through several connecting columns 14. By setting a drive on the top of the positioning disk 15, the whole device can be driven to rotate along the axis of the drive shaft 54, which further facilitates the rotation painting operation of several workpieces around the axis of the drive shaft 54. A second motor 16 is connected to the bottom of the positioning disk 15. The output shaft of the second motor 16 is connected to the drive shaft 54. When the second motor 16 is started, its output shaft drives the drive shaft 54 to rotate, further enabling the drive gear 51 to drive the circumferentially arranged hanging shafts 3.

[0034] The cross - section of the slider 2 is integrally in an I - shaped structure to limit the rotational freedom of the slider 2 in the chute 12, ensure that the slider 2 only moves along the direction of the chute 12, and limit both sides of the slider 2 to ensure the stable rotation of the hanging shaft 3 in the slider 2.

[0035] The hook 4 is detachably connected to the hanging shaft 3. The top of the hook 4 is a threaded rod, which is screwed into the inside of the bottom of the hanging shaft 3 through the top threaded rod, facilitating the disassembly and replacement of the hook 4 to conveniently adapt to workpieces of different shapes and weights.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; 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 on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A painting device for sheet metal processing, comprising a support frame (1), characterized in that: A number of slidable sliders (2) are circumferentially arranged inside the support frame (1). A suspension shaft (3) is rotatably connected inside each slider (2). A hook (4) for suspending a workpiece to be processed is provided at the bottom of the suspension shaft (3). A rotatable driving gear (51) is installed at the center of the support frame (1) among a number of sliders (2). The outer wall of the driving gear (51) is meshed with a transmission gear (52). The outer wall of the transmission gear (52) is meshed with a driven gear (53). A driving shaft (54) is provided at the center of the top of the driving gear (51). The driving shaft (54) is hinged to the central axis of the transmission gear (52) through a first connecting rod (55). The central axis of the transmission gear (52) is hinged to the top of the suspension shaft (3) through a second connecting rod (56). The top of the suspension shaft (3) penetrates through the center of the driven gear (53) and can rotate therewith.

2. The spray painting device for sheet metal processing according to claim 1, characterized in that: A first motor (61) is provided at the bottom of the support frame (1). A rotating frame (62) is provided at the output end of the first motor (61). A number of third connecting rods (63) are rotatably connected to the outer wall of the rotating frame (62) in the circumferential direction. The side of the third connecting rod (63) far from the rotating frame (62) is hinged to the bottom of the slider (2).

3. A painting device for sheet metal processing according to claim 1 or 2, characterized in that: An anti - detachment part is provided on the hook (4). The anti - detachment part includes extension shafts (41) arranged on both sides of the rod part of the hook (4). Rotating plates (42) are sleeved on the outer walls of the extension shafts (41) on both sides. A torsion spring (43) is connected between the rotating plate (42) and the rod part of the hook (4). A limiting column (44) is commonly connected to the sides of the rotating plates (42) far from the rod part of the hook (4). The limiting column (44) abuts against the inner side of the end of the hook part of the hook (4) to form a self - locking anti - detachment structure.

4. A painting device for sheet metal processing according to claim 1, characterized in that: The support frame (1) includes a central frustum and a number of extending plates (11) extending outwards. A chute (12) penetrating through its upper and lower surfaces is opened inside the extending plate (11) for the slider (2) to slide inside.

5. A painting device for sheet metal processing according to claim 4, characterized in that: A connecting frame (13) is connected to the side of each of the number of extending plates (11) far from the central frustum. The tops of the number of connecting frames (13) are commonly connected to a positioning disk (15) through a number of connecting columns (14). A second motor (16) is connected to the bottom of the positioning disk (15). The output shaft of the second motor (16) is connected to the driving shaft (54).

6. The spray painting device for sheet metal processing according to claim 4, wherein: The cross - section of the slider (2) is integrally in an I - shaped structure to limit the rotational freedom of the slider (2) in the chute (12).

7. A painting device for sheet metal processing according to claim 1, characterized in that: The hook (4) is detachably connected to the suspension shaft (3). The top of the hook (4) is a threaded rod which is screwed into the inside of the bottom of the suspension shaft (3) through the threaded rod at the top.

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