Automated sandblasting line

Abstract

The application relates to an automatic sand blasting line, and relates to the technical field of a sand blasting device, which comprises a conveying chain and a sand blasting box, the conveying chain comprises a support, a conveying frame, a connecting rod, a connecting disc and a hook, the conveying frame is arranged on the support, the conveying frame penetrates through the sand blasting box, the connecting rod is slidingly arranged at the bottom end of the conveying frame, and a conveying assembly for driving the connecting rod to slide is arranged on the conveying frame; the connecting disc is arranged at the bottom end of the connecting rod, and the hook is arranged at the bottom end of the connecting disc and used for hooking a workpiece; the inner wall of the sand blasting box is provided with a plurality of upper spraying guns, mounting rods are symmetrically arranged on the inner side wall of the sand blasting box, swing rods are rotationally arranged on the mounting rods, a plurality of side spraying guns are arranged on the swing rods, and a swing assembly is arranged in the sand blasting box. The application has the effects of improving the sand blasting range of the spraying guns, enhancing the sand blasting effect and improving the sand blasting operation efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sand blasting equipment, and particularly relates to an automatic sand blasting line. BACKGROUND

[0002] At present, sand blasting is powered by compressed air to form a high-speed jet beam to spray the material at a high speed to the surface of a workpiece to be processed, so that the surface of the workpiece is changed in appearance or shape, and the surface of the workpiece is cleaned and has different roughness.

[0003] A sand blasting device is designed in the related art, which comprises a conveying device, a shell and a spray gun. The conveying device comprises a driving roller, a driven roller, a conveying belt sleeved on the driving roller and the driven roller and a motor for driving the driving roller to rotate. The conveying belt is provided with through holes on the surface. One end of the shell is a feeding port, and the other end is a discharging port. One end of the conveying belt is located at the feeding port, and the other end is located at the discharging port. The middle part of the conveying belt is located inside the shell. The spray gun is located above the conveying belt on the inner side of the shell, and the nozzle of the spray gun faces the conveying belt. The workpiece is conveyed into the shell by the conveying device, and then the workpiece is sand blasted by the spray gun.

[0004] According to the related art in the above, the spraying range of the spray gun is limited, so that the workpiece cannot be fully sand blasted when the workpiece is sand blasted on the conveying belt, and the sand blasting effect is poor, and thus needs to be improved. SUMMARY

[0005] The purpose of the present application is to provide an automatic sand blasting line which has the advantages of improving the sand blasting range of the spray gun, enhancing the sand blasting effect and improving the sand blasting operation efficiency.

[0006] The automatic sand blasting line provided by the present application adopts the following technical scheme:

[0007] The automatic sand blasting line comprises a conveying chain and a sand blasting box. The conveying chain comprises a support, a conveying frame, a connecting rod, a connecting disc and a hook. The conveying frame is arranged on the support and penetrates the sand blasting box. The sand blasting box is provided with a feeding port and a discharging port for the conveying frame to pass through. The connecting rod is slidably arranged at the bottom end of the conveying frame. The conveying frame is provided with a conveying assembly for driving the connecting rod to slide. The connecting disc is arranged at the bottom end of the connecting rod. The hook is arranged at the bottom end of the connecting disc for hooking the workpiece. The inner wall of the sand blasting box is provided with a plurality of upper spray guns. The inner side wall of the sand blasting box is symmetrically provided with mounting rods. The mounting rods are rotatably provided with swing rods. The swing rods are provided with a plurality of side spray guns. The upper spray guns are located above the side spray guns. The sand blasting box is provided with a swing assembly for driving the swing rods to rotate in opposite directions.

[0008] By adopting the technical scheme, when sand blasting the workpiece, the workpiece is hung on the hook, then the connecting rod is driven to slide along the length direction of the conveying frame by the conveying assembly, the connecting rod drives the connecting disc and the hook to move to the sand blasting box, the workpiece is transported into the sand blasting box through the feeding port, and the conveying assembly stops working; at this time, the upper spraying gun in the sand blasting box is opened, the upper spraying gun can perform sand blasting on the top end of the workpiece; meanwhile, the swinging assembly and the side spraying gun are opened, the swinging assembly drives the swinging rod to reverse between the two mounting rods, thereby driving the several side spraying guns on the swinging rod to swing, the side spraying gun swings up and down, the side spraying gun can perform sand blasting on the side of the workpiece, and the swinging assembly effectively expands the sand blasting range of the side spraying gun; after the work of the upper spraying gun and the side spraying gun is completed, the conveying assembly continues to work, the connecting rod, the connecting disc and the hook are transported out of the sand blasting box through the discharging port, the workpiece is separated from the hook outside the sand blasting box, and the next step of the workpiece is performed, the sand blasting operation is highly automated, the sand blasting range of the spraying gun is improved, the sand blasting effect is enhanced, manpower is saved, and the sand blasting operation efficiency is improved.

[0009] Optionally, the swinging assembly comprises a swinging motor, a swinging disc, a linkage rod, a linkage ring, a driving rod and a driving plate, two driving plates are symmetrically arranged on the swinging rod, the driving plates are fixed with each other between the swinging rod, the driving rod is arranged between the two driving plates, the swinging motor is arranged on the inner wall of the sand blasting box, the swinging disc is connected with the driving shaft of the swinging motor, one end of the linkage rod penetrates through the swinging disc and is slidably connected with the swinging disc, the other end of the linkage rod is connected with the linkage ring, and the linkage ring is sleeved on the driving rod.

[0010] By adopting the technical scheme, when the side spraying gun needs to be driven to swing up and down, the swinging disc is driven to rotate by the swinging motor, the swinging disc drives the linkage rod to rotate, the linkage rod drives the linkage ring at one end to abut against the driving rod, the linkage ring is limited by the driving rod to drive the linkage rod and the swinging disc to rotate, and the linkage rod and the swinging disc are telescopic because the linkage rod penetrates through the swinging disc; at this time, the linkage ring can slide on the driving rod, and the linkage ring drives the driving plate to rotate towards the driving rod, the swinging disc drives the linkage rod to continuously rotate, thereby the linkage ring continuously reciprocates on the driving rod, the driving plate drives the swinging rod to continuously reciprocate, and the swinging rod drives the several side spraying guns thereon to continuously swing, the spraying range of the side spraying gun is effectively expanded, and the control is quick and convenient, and the cost is low.

[0011] Optionally, one end of the linkage rod away from the linkage ring is provided with a sliding block, the linkage rod penetrates through the sliding block, a sliding groove is formed in the swinging disc, the sliding block is slidably arranged in the sliding groove, a locking bolt penetrates through the sliding block, the locking bolt is in threaded connection with the sliding block, and the locking bolt can abut against the inner wall of the sliding groove.

[0012] By adopting the above technical scheme, the locking bolt is rotated to be separated from the inner wall of the sliding groove, at this time, the sliding block can be driven to slide in the sliding groove, the sliding block drives the linkage rod to slide, the position of the sliding block in the sliding groove is changed, the locking bolt is rotated to abut against the inner wall of the sliding groove to fix the position of the sliding block, the position of the linkage rod on the swing disc can be adjusted, the reciprocating sliding distance of the linkage ring on the driving rod is adjusted, the swing range of the swing rod is controlled, the swing distance of the side spray gun is controlled, the workpiece of different lengths can be conveniently side-sandblasted, and the application range of the automatic sandblasting line is improved.

[0013] Optionally, the connecting disc is rotationally connected with the connecting rod, and a rotating assembly is arranged between the sandblasting box and the connecting disc, and the rotating assembly is used to drive the connecting disc to rotate in the sandblasting box.

[0014] By adopting the above technical scheme, when the upper spray gun and the side spray gun spray the workpiece in the sandblasting box, the connecting disc is driven to rotate in the sandblasting box by the rotating assembly, the connecting disc drives the workpiece on the hook to rotate at the same time, the upper spray gun and the side spray gun spray the rotating workpiece, and the sandblasting area of the workpiece is further expanded, and the sandblasting effect of the workpiece is improved.

[0015] Optionally, the rotating assembly comprises a rotating motor, a rotating disc, a rotating rod and an abutting rod, the rotating motor is arranged on the top wall in the sandblasting box, the rotating disc is connected with the driving shaft of the rotating motor, the rotating rod is arranged on the lower surface of the rotating disc, the abutting rod is arranged on the side wall of the connecting disc, and the rotating rod can abut against the abutting rod.

[0016] By adopting the above technical scheme, when the conveying assembly drives the connecting rod to slide into the sandblasting box, the abutting rod on the connecting disc is driven to enter the sandblasting box at the same time, at this time, the abutting rod is in contact with the rotating rod, the rotating motor is started, the rotating motor drives the rotating disc to rotate, the rotating disc drives the rotating rod to rotate, the rotating rod abuts against the abutting rod, so that the abutting rod and the connecting disc are driven to rotate, the control is convenient and fast, and the rotating assembly can drive different connecting discs to rotate in the sandblasting box.

[0017] Optionally, a sleeve is arranged on the bottom wall in the sandblasting box, a telescopic rod is slidably arranged in the sleeve, a lower spray gun is arranged at the top end of the telescopic rod, and a telescopic assembly is arranged on the sleeve and used to drive the telescopic rod to slide in the sleeve.

[0018] By adopting the technical scheme, when sand blasting is needed on the bottom end of the workpiece or the inside of the workpiece, the telescopic rod is continuously lifted by the telescopic assembly driving the telescopic rod to slide in the sleeve, the lower spray gun is driven by the telescopic rod to enter the inside of the workpiece, the sand blasting operation on the bottom end of the workpiece or the inside of the workpiece is realized by opening the lower spray gun and cooperating with the rotation of the workpiece in the sand blasting box, and the sand blasting range and the sand blasting operation efficiency of the spray gun are further improved.

[0019] Optionally, the telescopic assembly comprises a telescopic motor, a telescopic gear and a telescopic rack, the telescopic rack is arranged on the side wall of the telescopic rod, the inner wall of the sleeve is provided with a telescopic groove for the telescopic rack to slide, the telescopic motor is arranged on the sleeve, the driving shaft of the telescopic motor is connected with the telescopic gear, and the telescopic gear and the telescopic rack are in meshing connection.

[0020] By adopting the technical scheme, when the lower spray gun needs to be lifted, the telescopic motor drives the telescopic gear to rotate, the telescopic gear abuts against the telescopic rack, the telescopic rack slides in the telescopic groove, and the telescopic rod slides in the sleeve, so that the lifting of the lower spray gun is controlled.

[0021] Optionally, the conveying assembly comprises a conveying chain, a conveying gear and a conveying motor, the bottom end of the conveying frame is provided with a conveying groove, the conveying chain is arranged to slide in the conveying groove, the connecting rod is connected with the conveying chain, a plurality of conveying gears are arranged to rotate on the conveying frame, the conveying motor is arranged on the conveying frame to drive the conveying gears to rotate, and the conveying gears are in meshing connection with the conveying chain through the conveying frame.

[0022] By adopting the technical scheme, when the workpiece needs to be conveyed, the conveying motor drives the conveying gears to rotate, the conveying gears abut against the conveying chain, the conveying chain is driven to slide in the conveying frame, and the conveying frame is driven to slide in the conveying groove while the connecting rod is driven to slide along the length direction of the conveying frame.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the bracket, the conveying frame, the connecting rod, the connecting disc, the hook, the feeding port, the discharging port, the conveying assembly, the upper spray gun, the mounting rod, the swing rod, the side spray gun and the swing assembly, when the workpiece is sand blasted, the conveying assembly transports the workpiece into the sand blasting box, the upper spray gun can perform sand blasting operation on the top end of the workpiece, the swing assembly drives the swing rod to reverse between the two mounting rods, the side spray gun swings up and down, the side spray gun can perform sand blasting operation on the side of the workpiece, the sand blasting range of the side spray gun is effectively expanded, the sand blasting operation is highly automated, the sand blasting range of the spray gun is improved, the sand blasting effect is enhanced, the manpower is saved, and the sand blasting operation efficiency is improved.

[0025] 2. By setting the swing motor, swing disc, linkage rod, linkage ring, drive rod and drive plate, when the side spray gun needs to be driven up and down, the swing motor drives the swing disc to rotate, the swing disc drives the linkage rod to rotate, the linkage rod drives the linkage ring at one end to abut against the drive rod, the linkage ring can slide on the drive rod, and at the same time, the linkage ring drives the drive rod to rotate, the swing disc continuously drives the linkage rod to rotate, so that the linkage ring continuously reciprocates on the drive rod, and the drive plate continuously drives the swing rod to reciprocate, and the swing rod drives the plurality of side spray guns thereon to continuously swing, thereby effectively expanding the spray range of the side spray gun, and the control is quick and convenient, and the cost is low.

[0026] 3. By setting the rotation motor, rotation disc, rotation rod and abutment rod, when the conveying assembly drives the connecting rod to slide into the sand blasting box, the rotation motor is started, the rotation motor drives the rotation disc to rotate, the rotation disc drives the rotation rod to rotate, the rotation rod abuts against the abutment rod, thereby driving the abutment rod and the connecting disc to rotate, and the connecting disc drives the workpiece on the hook to rotate at the same time, so that the upper spray gun and the side spray gun spray the rotating workpiece, which is beneficial to further expand the sand blasting area of the workpiece, thereby enhancing the sand blasting effect of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic diagram of the automatic sand blasting line provided by the embodiment of the application;

[0028] Figure 2 is the partial section schematic diagram of the automatic sand blasting line provided by the embodiment of the application;

[0029] Figure 3 is Figure 2 the partial enlarged schematic diagram of part A in

[0030] Figure 4 is Figure 2 the partial enlarged schematic diagram of part B in

[0031] In the figure, 1 is a conveying chain, 11 is a support, 12 is a conveying frame, 13 is a connecting rod, 14 is a connecting disc, 15 is a hook, 2 is a sand blasting box, 21 is an inlet, 22 is an outlet, 23 is an upper spray gun, 3 is a conveying assembly, 31 is a conveying chain, 32 is a conveying gear, 33 is a conveying motor, 4 is a mounting rod, 41 is a swing rod, 42 is a side spray gun, 5 is a swing assembly, 51 is a swing motor, 52 is a swing disc, 53 is a linkage rod, 54 is a linkage ring, 55 is a drive rod, 56 is a drive plate, 6 is a sliding block, 61 is a sliding groove, 611 is a locking bolt, 7 is a rotation assembly, 71 is a rotation motor, 72 is a rotation disc, 73 is a rotation rod, 74 is an abutment rod, 8 is a sleeve, 81 is an extension rod, 82 is a lower spray gun, 83 is an extension slot, 9 is an extension assembly, 91 is an extension motor, 92 is an extension gear, and 93 is an extension rack. DETAILED DESCRIPTION

[0032] The application will be further described below in conjunction with the accompanying Figure 1 - the accompanying drawings Figure 4 The application will be further described below in conjunction with the accompanying

[0033] The embodiment of the application provides an automatic sand blasting line, which refers to Figure 1 , comprising a conveying chain 1 and a sand blasting box 2, the conveying chain 1 comprises a support 11, a conveying frame 12, a connecting rod 13, a connecting disc 14 and a hook 15, the conveying frame 12 is fixedly arranged on the support 11, the support 11 is provided with a plurality of support 11, the support 11 can support the conveying frame 12, the conveying frame 12 is annular, and the conveying frame 12 penetrates the sand blasting box 2. The sand blasting box 2 is provided with a feeding port 21 and a discharging port 22 for the conveying frame 12 to pass through, the connecting rod 13 is slidably arranged at the bottom end of the conveying frame 12, and the connecting rod 13 can slide along the length direction of the conveying frame 12.

[0034] The application will be further described below in conjunction with the accompanying Figures 1 to 3 , the conveying frame 12 is provided with a conveying assembly 3 for driving the connecting rod 13 to slide, the conveying assembly 3 comprises a conveying chain 31, a conveying gear 32 and a conveying motor 33, the bottom end of the conveying frame 12 is provided with a conveying groove, the length direction of the conveying groove is arranged along the length direction of the conveying frame 12, and the conveying chain 31 is slidably arranged in the conveying groove. The connecting rod 13 is fixedly connected with the bottom end of the conveying chain 31, the connecting rod 13 is provided with a plurality of connecting rod 13 and penetrates the conveying groove. The conveying gear 32 is rotatably arranged on the conveying frame 12, the conveying motor 33 is fixedly arranged on the conveying frame 12, the driving shaft of the conveying motor 33 is connected with the conveying gear 32, and the conveying gear 32 penetrates the conveying frame 12 and is meshed with the conveying chain 31. The conveying motor 33 drives the conveying gear 32 to rotate, the conveying gear 32 abuts against the conveying chain 31, and then drives the conveying chain 31 to slide in the conveying frame 12, and the conveying frame 12 slides in the conveying groove while driving the connecting rod 13 to slide along the length direction of the conveying frame 12.

[0035] The application will be further described below in conjunction with the accompanying Figure 3 , the connecting disc 14 is rotatably arranged at the bottom end of the connecting rod 13 through a rotating shaft, the hook 15 is fixedly arranged at the bottom end of the connecting disc 14, the workpiece is provided with a reserved hole, the hook 15 and the reserved hole are mutually hung, and the workpiece can be hung on the hook 15. When the connecting rod 13 is driven to slide by the conveying assembly 3, the hook 15 on the workpiece can enter and exit the sand blasting box 2 through the feeding port 21 and the discharging port 22.

[0036] The application will be further described below in conjunction with the accompanying Figure 2The inner wall of the sand blasting box 2 is provided with a plurality of upper spraying guns 23. The workpiece is transported into the sand blasting box 2 through the feeding port 21, and the conveying assembly 3 stops working. The upper spraying guns 23 can perform sand blasting work on the top end of the workpiece. The mounting rods 4 are symmetrically arranged on the inner side wall of the sand blasting box 2. The swinging rods 41 are rotatably arranged on the mounting rods 4. The swinging rods 41 are horizontally arranged. A plurality of side spraying guns 42 are mounted on the swinging rods 41. The side spraying guns 42 can perform sand blasting work on the side of the workpiece.

[0037] With reference to Figure 2 and Figure 4 The sand blasting box 2 is provided with a swinging assembly 5. The swinging assembly 5 includes a swinging motor 51, a swinging disc 52, a linkage rod 53, a linkage ring 54, a driving rod 55 and a driving plate 56. The driving plate 56 is symmetrically arranged on the swinging rod 41. The driving plate 56 is fixedly welded between the swinging rod 41. The driving rod 55 is arranged between the two driving plates 56, and the length direction of the driving rod 55 is parallel to the length direction of the swinging rod 41. The swinging motor 51 is fixedly arranged on the inner wall of the sand blasting box 2 by bolts. The swinging disc 52 is connected with the driving shaft of the swinging motor 51. One end of the linkage rod 53 penetrates the swinging disc 52. The linkage rod 53 can not only rotate with the swinging disc 52, but also slide with the swinging disc 52. The other end of the linkage rod 53 is fixedly connected with the linkage ring 54. The linkage ring 54 is sleeved on the driving rod 55. The linkage ring 54 is matched with the driving rod 55, and the linkage ring 54 can slide on the driving rod 55. When the side spraying gun 42 is used, the swinging motor 51 drives the swinging disc 52 to rotate. The swinging disc 52 drives the linkage rod 53 to rotate along the circumferential direction of the swinging disc 52. The linkage rod 53 drives the linkage ring 54 at one end to abut against the driving rod 55. The linkage ring 54 is limited by the driving rod 55 to drive the linkage rod 53 to rotate with the swinging disc 52. Since the linkage rod 53 penetrates the swinging disc 52, the linkage rod 53 can stretch and contract with the swinging disc 52. The swinging disc 52 continuously drives the linkage rod 53 to rotate. Therefore, the linkage ring 54 continuously reciprocates on the driving rod 55. The linkage ring 54 drives the driving plate 56 to swing. The driving plate 56 drives the swinging rod 41 to continuously reciprocate. The swinging rod 41 drives the plurality of side spraying guns 42 to continuously swing. The spraying range of the side spraying gun 42 is effectively expanded. The control is fast and convenient, and the cost is low.

[0038] With reference to Figure 4The sliding groove 61 is provided on the swing disc 52, and the length direction of the sliding groove 61 is arranged along the radial direction of the swing disc 52. The sliding block 6 is slidably arranged in the sliding groove 61. The end of the linkage rod 53 away from the linkage ring 54 penetrates through the sliding block 6. The locking bolt 611 is arranged through the sliding block 6. The locking bolt 611 is threadedly connected with the sliding block 6, and the locking bolt 611 can abut against the bottom wall of the sliding groove 61. The sliding block 6 is driven to slide in the sliding groove 61. The sliding block 6 drives the linkage rod 53 to slide. The position of the sliding block 6 in the sliding groove 61 is changed. The locking bolt 611 is rotated to abut against the inner wall of the sliding groove 61 to fix the position of the sliding block 6. The position of the linkage rod 53 on the side wall of the swing disc 52 can be adjusted. Thus, the reciprocating sliding distance of the linkage ring 54 on the driving rod 55 is adjusted. The swing range of the swing rod 41 is controlled. The swing distance of the side spray gun 42 is controlled. The workpieces with different lengths can be conveniently side-sandblasted.

[0039] With reference to Figure 2 and Figure 3 The sandblasting box 2 and the connecting disc 14 are provided with a rotating assembly 7. The rotating assembly 7 comprises a rotating motor 71, a rotating disc 72, a rotating rod 73 and an abutting rod 74. The rotating motor 71 is fixedly arranged on the top wall in the sandblasting box 2 by bolts. The rotating disc 72 is connected with the driving shaft of the rotating motor 71 and is horizontally arranged. The rotating rod 73 is fixedly arranged on the lower surface of the rotating disc 72 and is vertically arranged. The abutting rod 74 is fixedly arranged on the side wall of the connecting disc 14 and is horizontally arranged. The rotating rod 73 is a magnet, and the abutting rod 74 is iron. The rotating rod 73 can abut against and be attracted to the abutting rod 74. When the conveying assembly 3 drives the connecting rod 13 to slide into the sandblasting box 2, the abutting rod 74 on the connecting disc 14 is also driven to enter the sandblasting box 2. The abutting rod 74 can be in contact with and be attracted to the rotating rod 73. The rotating motor 71 is started. The rotating motor 71 drives the rotating disc 72 to rotate. The rotating disc 72 drives the rotating rod 73 to rotate. The rotating rod 73 abuts against the abutting rod 74, thereby driving the abutting rod 74 and the connecting disc 14 to rotate. The rotating motor 71 is controlled to reverse. The rotating rod 73 drives the abutting rod 74 and the connecting disc 14 to reverse by the attraction force. Thus, the different connecting discs 14 are driven to rotate in the sandblasting box 2. The connecting disc 14 drives the workpieces on the hooks 15 to rotate simultaneously. The upper spray gun 23 and the side spray gun 42 sandblast the rotating workpieces. This is favorable for further expanding the sandblasting area of the workpieces.

[0040] With reference to Figure 2The bottom wall in the sand blasting box 2 is fixedly provided with a sleeve 8 arranged in the vertical direction, the sleeve 8 is slidably provided with an extension rod 81, the extension rod 81 and the sleeve 8 are matched with each other, the extension rod 81 can slide in the sleeve 8 along the length direction of the sleeve 8, and the top end of the extension rod 81 is provided with a lower spray gun 82. The sleeve 8 is provided with an extension assembly 9, the extension assembly 9 comprises an extension motor 91, an extension gear 92 and an extension rack 93, the extension rack 93 is welded and fixed on the side wall of the extension rod 81, the length direction of the extension rack 93 is arranged along the length direction of the extension rod 81, and the inner wall of the sleeve 8 is provided with an extension groove 83 for the sliding of the extension rack 93. The extension motor 91 is bolted on the outer wall of the sleeve 8, the driving shaft of the extension motor 91 is connected with the extension gear 92, and the extension gear 92 and the extension rack 93 are meshed with each other. When the sand blasting work needs to be performed on the bottom end of the workpiece or the inside of the workpiece, the extension motor 91 drives the extension gear 92 to rotate, so that the extension gear 92 abuts against the extension rack 93, and then drives the extension rack 93 to slide in the extension groove 83, and the extension rod 81 slides in the sleeve 8, so that the lower spray gun 82 is lifted, the lower spray gun 82 is opened, and the workpiece is rotated in the sand blasting box 2, so that the sand blasting work on the bottom end of the workpiece or the inside of the workpiece is realized, and the sand blasting range of the spray gun and the sand blasting work efficiency are further improved.

[0041] The implementation principle of the embodiment of the application is:

[0042] When the workpiece is sand blasted, the workpiece is hung on the hook 15, the conveying motor 33 is started to drive the conveying chain 31 to slide in the conveying frame 12, the connecting rod 13 slides in the length direction of the conveying frame 12 together with the conveying chain 31, the workpiece below the connecting rod 13 is transported into the sand blasting box 2 through the feeding port 21, and then the conveying motor 33 is stopped after the workpiece is transported to the position directly below the rotating disc 72. The upper spray gun 23 and the side spray gun 42 are started, the upper spray gun 23 can perform sand blasting work on the top end of the workpiece, and the side spray gun 42 can perform sand blasting work on the side surface of the workpiece. Meanwhile, the swing motor 51 is started, the swing motor 51 drives the swing rod 41 to continuously reciprocate, the swing rod 41 drives the plurality of side spray guns 42 thereon to continuously swing, and the sand blasting range of the side spray gun 42 is effectively expanded. Meanwhile, the rotating motor 71 is started, the rotating motor 71 drives the rotating rod 73 to abut against the abutting rod 74, and then drives the connecting disc 14 and the workpiece below the connecting disc 14 to rotate in the sand blasting box 2, which is beneficial to further expand the sand blasting area of the workpiece. After the sand blasting work is completed, the conveying motor 33 is started again to transport the workpiece out of the sand blasting box 2 through the discharging port 22. The sand blasting work has high automation degree, the sand blasting range of the spray gun is improved, the sand blasting effect is enhanced, the manpower is saved, and the sand blasting work efficiency is improved.

[0043] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automated sandblasting line, comprising a conveyor chain (1) and a sandblasting box (2), characterized in that, The conveyor chain (1) includes a support (11), a conveyor frame (12), a connecting rod (13), a connecting plate (14), and a hook (15). The conveyor frame (12) is mounted on the support (11) and passes through the sandblasting box (2). The sandblasting box (2) has an inlet (21) and an outlet (22) for the conveyor frame (12) to pass through. The connecting rod (13) is slidably mounted at the bottom end of the conveyor frame (12). The conveyor frame (12) is equipped with a conveying assembly (3) for driving the connecting rod (13) to slide. The connecting plate (14) is mounted on the connecting rod (13). At the bottom end, the hook (15) is set at the bottom end of the connecting plate (14) for hanging the workpiece; the inner wall of the sandblasting box (2) is provided with several upper spray guns (23), and the inner side wall of the sandblasting box (2) is symmetrically provided with mounting rods (4), and the mounting rods (44) are rotatably provided with swing rods (41), and the swing rods (41) are provided with several side spray guns (42), and the upper spray guns (23) are located above the side spray guns (42); the sandblasting box (2) is provided with a swing assembly (5), and the swing assembly (5) is used to drive the swing rods (41) to rotate forward and backward; the swing assembly (5) includes The assembly includes a swing motor (51), a swing disk (52), a linkage rod (53), a linkage ring (54), a drive rod (55), and a drive plate (56). Two drive plates (56) are symmetrically arranged on the swing rod (41), and the drive plates (56) are fixed to each other. The drive rod (55) is positioned between the two drive plates (56). The swing motor (51) is mounted on the inner wall of the sandblasting box (2). The swing disk (52) is connected to the drive shaft of the swing motor (51). One end of the linkage rod (53) passes through the swing disk (52) and is slidably connected to it. The other end of the linkage rod (53) is connected to the linkage ring (54), and the linkage ring (54) is sleeved on the drive rod (55); a slider (6) is provided at one end of the linkage rod (53) away from the linkage ring (54), and the linkage rod (53) passes through the slider (6). A groove (61) is provided on the rocker plate (52), and the slider (6) is slidably disposed in the groove (61). A locking bolt (611) is provided through the slider (6), and the locking bolt (611) is threadedly connected to the slider (6). The locking bolt (611) can abut against the inner wall of the groove (61).

2. The automated sandblasting line according to claim 1, characterized in that, The connecting plate (14) is rotatably connected to the connecting rod (13), and a rotating component (7) is provided between the sandblasting box (2) and the connecting plate (14). The rotating component (7) is used to drive the connecting plate (14) to rotate inside the sandblasting box (2).

3. The automated sandblasting line according to claim 2, characterized in that, The rotating assembly (7) includes a rotating motor (71), a rotating disk (72), a rotating rod (73), and a contact rod (74). The rotating motor (71) is located on the top wall inside the sandblasting box (2). The rotating disk (72) is connected to the drive shaft of the rotating motor (71). The rotating rod (73) is located on the lower surface of the rotating disk (72). The contact rod (74) is located on the side wall of the connecting disk (14). The rotating rod (73) can abut against the contact rod (74).

4. The automated sandblasting line according to claim 1, characterized in that, A sleeve (8) is provided on the bottom wall of the sandblasting box (2). A telescopic rod (81) is slidably provided inside the sleeve (8). A lower spray gun (82) is provided at the top of the telescopic rod (81). A telescopic component (9) is provided on the sleeve (8). The telescopic component (9) is used to drive the telescopic rod (81) to slide inside the sleeve (8).

5. The automated sandblasting line according to claim 4, characterized in that, The telescopic assembly (9) includes a telescopic motor (91), a telescopic gear (92), and a telescopic rack (93). The telescopic rack (93) is disposed on the side wall of the telescopic rod (81). The inner wall of the sleeve (8) is provided with a telescopic groove (83) for the telescopic rack (93) to slide. The telescopic motor (91) is disposed on the sleeve (8). The drive shaft of the telescopic motor (91) is connected to the telescopic gear (92). The telescopic gear (92) and the telescopic rack (93) mesh with each other.

6. The automated sandblasting line according to claim 1, characterized in that, The conveying assembly (3) includes a conveying chain (31), a conveying gear (32), and a conveying motor (33). The bottom end of the conveying frame (12) is provided with a conveying groove. The conveying chain (31) is slidably disposed in the conveying groove. The connecting rod (13) is connected to the conveying chain (31). Several conveying gears (32) are rotatably disposed on the conveying frame (12). The conveying motor (33) is disposed on the conveying frame (12) to drive the conveying gears (32) to rotate. The conveying gears (32) pass through the conveying frame (12) and mesh with the conveying chain (31).

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