A valve paint spraying device for valve production and its usage method

Abstract

The present invention discloses a valve paint spraying device for valve production and its usage method, which relates to the technical field of valve production. This valve paint spraying device for valve production includes a spraying robot arranged in a spraying chamber, and the spraying robot includes a spray head. This valve paint spraying device for valve production and its usage method are convenient for limiting valve bodies of different specifications and sizes. At the same time, it can control the extrusion force of the conical block on the valve body, ensuring the clamping and limiting effect while avoiding damage to it. Moreover, it can seal the end part and the through port of the flange plate, preventing paint from being sprayed on the end face of the flange plate and entering the interior of the valve body through the through port, ensuring the quality of spraying. During spraying, it can provide a good damping and buffering effect on the valve body, making it more stable and reliable. Additionally, it can make the valve body rotate automatically, ensuring the efficiency and quality of paint spraying.

Description

Technical Field

[0001] The present invention relates to the technical field of valve production, and in particular to a valve paint spraying device for valve production and a use method thereof. Background Art

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. After the valve is produced, it is necessary to use paint spraying equipment to spray its surface. The current spraying method is mainly catenary spraying. Valve catenary spraying is an assembly line production method, which is mainly used for surface spraying, drying and curing of heavy workpieces such as valves. When spraying, the valve needs to be hung on the hanger first, and then the hanger is hung on the track of the assembly line. The hanger and the workpiece are driven along the track by transmission devices such as chains or conveyor belts, and sprayed by a spray robot.

[0003] However, when using the existing valve paint spraying equipment for valve production, it is not convenient to clamp and limit valves of different specifications and sizes, which makes the valves prone to shaking or even bumping during transportation, affecting the quality of paint spraying. At the same time, the flange ends at both ends of the valve are directly exposed to the outside, causing the paint to be easily sprayed on the flange ends and enter the interior through the openings at the flange ends, thereby affecting the quality of spraying. In addition, the valve will not rotate during transportation, which will also affect the efficiency and quality of paint spraying. Summary of the invention

[0004] The object of the present invention is to provide a valve paint spraying device for valve production and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a valve paint spraying device for valve production, comprising a spraying robot arranged in a spraying room, the spraying robot comprising a spray head, a feed port and a discharge port are arranged on both sides of the spraying room, and a drying lamp is fixedly connected to the inner wall of the spraying room, a conveyor belt is arranged in the spraying room, and the conveyor belt is inserted in the feed port and the discharge port, a plurality of mounting disks arranged in an array are fixedly connected to the conveyor belt, and the ends of the mounting disks are connected to mounting blocks through a buffer mechanism, the bottom of the mounting block is detachably connected to a U-shaped frame through a clamping mechanism, and the top of the U-shaped frame is connected to a movable plate through a lifting mechanism, and a clamping mechanism for clamping and limiting the valve body is arranged between the movable plate and the U-shaped frame;

[0006] The clamping mechanism includes two symmetrically arranged rotating shafts. The upper end of one rotating shaft is rotatably connected to the bottom of the moving plate, and the lower end of the other rotating shaft is rotatably connected to the bottom of the U-shaped frame. Two symmetrically arranged rotating discs are fixedly connected to the opposite ends of the two rotating shafts. The end of each rotating disc is connected to a moving rod through a telescopic mechanism. The other end of the moving rod is fixedly connected to a conical block. A moving ring is sleeved on the side wall of the conical block, and the moving ring slides on the side wall of the moving rod. The moving ring is connected to the side wall of the moving rod through a first reset mechanism, and the rotation of the rotating shaft is driven by a driving mechanism;

[0007] The driving mechanism includes a gear fixedly sleeved on the side wall of the rotating shaft located below, and a connecting plate is fixedly connected to the inner side wall of the spraying chamber. A rack is fixedly connected to the side wall of the connecting plate.

[0008] Preferably, the telescopic mechanism includes a first sleeve fixedly connected to the end of the rotating disc. A first sleeve rod is inserted into the side wall of the first sleeve. The lower end of the first sleeve rod is fixed to the end of the moving rod, and a first spring is sleeved on the side wall of the first sleeve.

[0009] Preferably, the first reset mechanism includes two symmetrically arranged first T-shaped guide rods fixedly connected to the end of the moving ring. A first connecting block is sleeved on the side wall of the first T-shaped guide rod. The first connecting block is fixed to the side wall of the moving rod. A second spring is sleeved on the side wall of the first T-shaped guide rod, and a limiting mechanism is arranged between the moving rod and the rotating disc.

[0010] Preferably, the limiting mechanism includes a fixed rod fixedly connected to the end of the rotating disc, and a fixed block is fixedly connected to the side wall of the moving rod.

[0011] Preferably, the lifting mechanism includes a second sleeve rod fixedly connected to the top of the U-shaped frame. A second sleeve is sleeved on the side wall of the second sleeve rod. The lower end of the second sleeve is fixed to the top of the moving plate. A threaded rod is rotatably connected to the top of the U-shaped frame. A threaded tube is threadedly connected to the side wall of the threaded rod, and the lower end of the threaded tube is fixed to the top of the moving plate. A handwheel is fixedly connected to the upper end of the threaded rod.

[0012] Preferably, the buffer mechanism includes a third sleeve fixedly connected to the bottom of the mounting disc. The third sleeve is filled with damping fluid. A sliding disc is slidably connected in the third sleeve. A plurality of through holes arranged in an array are formed in the top of the sliding disc. A third sleeve rod is fixedly connected to the bottom of the sliding disc, and the lower end of the third sleeve rod is fixed to the top of the mounting block. A third spring is sleeved on the side wall of the third sleeve rod.

[0013] Preferably, the clamping mechanism includes a rectangular hole formed at the bottom of the mounting block, and a rectangular rod is inserted into the rectangular hole. The lower end of the rectangular rod is fixed to the top of the U-shaped frame, and a clamping groove is formed on the side wall of the rectangular rod. A clamping block is inserted into the side wall of the mounting block. The clamping block includes an inclined surface, and the clamping block is connected to the side wall of the mounting block through a second reset mechanism.

[0014] Preferably, the second reset mechanism includes two symmetrically arranged second T-shaped guide rods fixedly connected to the side wall of the mounting block. A second connecting block is sleeved on the side wall of the second T-shaped guide rod. The second connecting block is fixed to the side wall of the clamping block, and a fourth spring is sleeved on the side wall of the second T-shaped guide rod.

[0015] Preferably, the conveying mechanism includes two symmetrically arranged fixing plates fixedly connected to the outer side wall of the spraying chamber. Two symmetrically arranged supporting plates are fixedly connected to the bottom of each fixing plate. The side wall of the supporting plate is rotatably connected to a conveying roller through a rotating rod, and a conveyor belt is sleeved on the side wall of the conveying roller. A motor is fixedly connected to the side wall of the supporting plate, and the output end of the motor is fixed to one end of the rotating rod.

[0016] A method for using a valve paint spraying device for valve production as described above includes the following steps:

[0017] S1: Align the through holes at both ends of the flange of the valve body with the two tapered blocks. Then, rotate the handwheel. The rotation of the handwheel drives the rotation of the threaded rod, which in turn drives the moving plate to move downward. As a result, the two tapered blocks and the two moving rings move closer to each other. When the moving ring abuts against the end of the flange, the second spring is gradually compressed. When the handwheel is rotated continuously, the through holes at both ends abut against the side walls of the tapered blocks. At the same time, the first sleeve rod slides into the first sleeve, and the first spring is compressed. When the end of the fixed rod abuts against the side wall of the fixed block, the moving plate cannot move further. At this time, stop rotating the handwheel. In this way, the extrusion force of the tapered blocks on the valve body can be controlled, ensuring the clamping and limiting effect while avoiding damage to it, facilitating the limitation of valve bodies of different specifications and sizes. Moreover, the ends and through holes of the flange can be sealed, thus ensuring the efficiency and quality of subsequent paint spraying.

[0018] S2: Insert the rectangular rod at the top of the U-shaped frame into the rectangular hole. When the top of the rectangular rod abuts against the inclined surface, push the clamping block to move away from the rectangular rod. At the same time, the fourth spring is compressed. When the clamping groove is aligned with the clamping block, the clamping block can be inserted into the clamping groove under the action of the fourth spring, and the top of the clamping block abuts against the top of the clamping groove, thus facilitating the clamping and fixing of the U-shaped frame and the mounting block.

[0019] S3: Start the motor. The rotation of the motor drives the rotation of the rotating rod and the conveying roller, thereby driving the conveying of the conveyor belt, causing the valve body to enter the spraying chamber through the feeding port. At the same time, start the spraying robot and the spray head to perform the paint spraying operation on the valve body, which can avoid the paint being sprayed on the end face of the flange and entering the interior of the valve body through the through hole, ensuring the quality of spraying.

[0020] S4: At the same time, when the U-shaped frame and the valve body shake, the sliding disk slides in the third sleeve. At the same time, the damping liquid flows along the through hole, and the third spring deforms, so as to achieve a good damping and buffering effect, avoid the shaking of the U-shaped frame and the valve body, be more stable and reliable, and ensure the quality of subsequent paint spraying.

[0021] S5: Moreover, the gear rolls on the rack, causing the rotating shaft and the rotating disk to rotate, thereby driving the valve body to rotate, ensuring the efficiency and quality of paint spraying. After the spraying is completed, the valve body can be dried under the action of the drying lamp. The dried valve body is conveyed to the outside of the spraying chamber through the discharge port. And pull the second connecting block to make the clamping block withdraw from the clamping groove. At this time, the U-shaped frame can be removed from the mounting block. Then, reverse-rotate the handwheel to loosen the valve body. In this way, by repeating the process, the continuous automatic spraying operation of the valve body can be realized.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] (1) For the valve paint spraying equipment and its use method for valve production of this kind, by setting the telescopic mechanism, etc., when it is necessary to spray the valve body, align the through holes of the flanges at both ends of the valve body with the two tapered blocks. Then, rotate the handwheel. The rotation of the handwheel drives the rotation of the threaded rod, and then drives the moving plate to move downward, so that the two tapered blocks and the two moving rings move closer to each other. When the moving ring abuts against the end of the flange, the second spring is gradually compressed. When the handwheel is rotated continuously, the through holes at both ends abut against the side walls of the tapered blocks. At the same time, the first sleeve rod slides into the first sleeve, and the first spring is compressed. When the end of the fixed rod abuts against the side wall of the fixed block, the moving plate cannot move further. At this time, stop rotating the handwheel, so as to control the extrusion force of the tapered block on the valve body, ensure the clamping and limiting effect while avoiding damage to it, facilitate the limiting of valve bodies with different specifications and sizes, and can seal the end of the flange and the through hole, thus ensuring the efficiency and quality of subsequent paint spraying.

[0024] (2) The valve paint spraying equipment and its usage method for valve production, by setting up clamping mechanisms and buffer mechanisms, etc. After the valve body is clamped and limited, insert the rectangular rod at the top of the U-shaped frame into the rectangular hole. When the top of the rectangular rod abuts against the inclined surface, push the block to move away from the rectangular rod. At the same time, the fourth spring is compressed. When the card slot aligns with the block, the block can be inserted into the card slot under the action of the fourth spring, and the top of the block abuts against the top of the card slot, so as to facilitate the clamping and fixing of the U-shaped frame and the mounting block. At the same time, when the U-shaped frame and the valve body shake, the sliding disk slides in the third sleeve, and at the same time, the damping liquid flows along the through hole, and the third spring deforms, so as to achieve a good damping and buffering effect, avoid the shaking of the U-shaped frame and the valve body, be more stable and reliable, and ensure the quality of subsequent paint spraying.

[0025] (3) The valve paint spraying equipment and its usage method for valve production, by setting up a conveying mechanism and a driving mechanism, etc. After the U-shaped frame and the mounting block are clamped and fixed, start the motor. The rotation of the motor drives the rotation of the rotating rod and the conveying roller, thereby driving the conveying of the conveyor belt, so that the valve body enters the spraying chamber through the feeding port. At the same time, start the spraying robot and the nozzle to perform the paint spraying operation on the valve body, which can avoid the paint spraying on the end face of the flange and entering the inside of the valve body through the through port, ensure the quality of spraying, and the gear rolls on the rack, making the rotating shaft and the rotating disk rotate, thereby driving the valve body to rotate, ensuring the efficiency and quality of paint spraying. After spraying is completed, the valve body can be dried under the action of the drying lamp. The dried valve body is conveyed to the outside of the spraying chamber through the discharge port, and pull the second connecting block to make the block withdraw from the card slot. At this time, the U-shaped frame can be removed from the mounting block, and then reverse-rotate the handwheel to loosen the valve body. In this way, continuous automatic spraying operation of the valve body can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is the overall structural schematic diagram of the present invention;

[0027] Figure 2 is the internal structural schematic diagram of the spraying chamber in the present invention;

[0028] Figure 3 is the overall structural schematic diagram of the U-shaped frame in the present invention;

[0029] Figure 4 is the partial sectional structural schematic diagram of the mounting block, rectangular rod and moving ring in the present invention;

[0030] Figure 5 is Figure 2 the enlarged structural schematic diagram at A in;

[0031] Figure 6 is Figure 3 The enlarged structural schematic diagram at position B in

[0032] Figure 7 is Figure 4 The enlarged structural schematic diagram at position C in

[0033] Figure 8 is Figure 4 The enlarged structural schematic diagram at position D in

[0034] In the figure: 1, spraying chamber; 101, feed inlet; 102, discharge outlet; 201, first sleeve; 202, first rod sleeve; 203, first spring; 301, second spring; 302, first connecting block; 303, first T-shaped guide rod; 401, fixed block; 402, fixed rod; 501, second rod sleeve; 502, second sleeve; 503, threaded pipe; 504, threaded rod; 505, handwheel; 601, third sleeve; 602, sliding disc; 603, third rod sleeve; 604, through hole; 605, third spring; 701, rectangular hole; 702, rectangular rod; 703, clamping groove; 704, clamping block; 705, inclined surface; 801, second T-shaped guide rod; 802, second connecting block; 803, fourth spring; 901, fixing plate; 902, support plate; 903, conveying roller; 904, motor; 905, rotating rod; 10, spraying robot; 11, spray head; 12, conveyor belt; 13, mounting disc; 14, mounting block; 15, U-shaped frame; 16, moving plate; 17, drying lamp; 18, rotating shaft; 19, rotating disc; 20, moving rod; 21, tapered block; 22, moving ring; 23, gear; 24, connecting plate; 25, rack. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figures 1-8, the present invention provides a technical solution: a valve paint spraying device for valve production, including a spraying robot 10 arranged in a spraying chamber 1. The spraying robot 10 includes a spray head 11. Feed ports 101 and discharge ports 102 are arranged on both sides of the spraying chamber 1, and drying lamps 17 are fixedly connected to the inner side walls of the spraying chamber 1. A conveyor belt 12 is arranged in the spraying chamber 1, and the conveyor belt 12 is inserted into the feed ports 101 and the discharge ports 102. A plurality of arrayed mounting plates 13 are fixedly connected to the conveyor belt 12, and the ends of the mounting plates 13 are connected to mounting blocks 14 through a buffer mechanism. The bottom of the mounting block 14 is detachably connected to a U-shaped frame 15 through a clamping mechanism, and the top of the U-shaped frame 15 is connected to a moving plate 16 through a lifting mechanism. A clamping mechanism for clamping and limiting the valve body is arranged between the moving plate 16 and the U-shaped frame 15;

[0037] The clamping mechanism includes two symmetrically arranged rotating shafts 18. The upper end of one of the rotating shafts 18 is rotatably connected to the bottom of the moving plate 16, and the lower end of the other rotating shaft 18 is rotatably connected to the bottom of the U-shaped frame 15. Symmetrically arranged rotating discs 19 are fixedly connected to the opposite ends of the two rotating shafts 18. The ends of each rotating disc 19 are connected to a moving rod 20 through a telescopic mechanism. The other end of the moving rod 20 is fixedly connected to a conical block 21. A moving ring 22 is sleeved on the side wall of the conical block 21, and the moving ring 22 slides on the side wall of the moving rod 20. The moving ring 22 is connected to the side wall of the moving rod 20 through a first reset mechanism, and the rotation of the rotating shaft 18 is driven by a driving mechanism;

[0038] The driving mechanism includes a gear 23 fixedly sleeved on the side wall of the rotating shaft 18 located below, and a connecting plate 24 is fixedly connected to the inner side wall of the spraying chamber 1. A rack 25 is fixedly connected to the side wall of the connecting plate 24, which is convenient for limiting valve bodies of different specifications and sizes. At the same time, it can control the extrusion force of the conical block 21 on the valve body, ensure the clamping and limiting effect while avoiding damage to it. Moreover, it can seal the end of the flange and the through port, avoid paint spraying on the end face of the flange and entering the inside of the valve body through the through port, and ensure the spraying quality. During spraying, it can provide a good damping and buffering effect on the valve body, making it more stable and reliable. Additionally, it can make the valve body rotate automatically to ensure the efficiency and quality of paint spraying.

[0039] The telescopic mechanism includes a first sleeve 201 fixedly connected to the end of the rotating disc 19, and a first sleeve rod 202 is inserted into the side wall of the first sleeve 201. The lower end of the first sleeve rod 202 is fixedly connected to the end of the moving rod 20, and a first spring 203 is sleeved on the side wall of the first sleeve 201. When clamping and limiting the valve body, when the through ports at both ends of the flange are in contact with the side wall of the conical block 21, the first sleeve rod 202 slides into the first sleeve 201, and at the same time, the first spring 203 is compressed.

[0040] The first reset mechanism includes two symmetrically arranged first T-shaped guide rods 303 fixedly connected to the end of the moving ring 22. A first connecting block 302 is sleeved on the side wall of the first T-shaped guide rod 303. The first connecting block 302 is fixed to the side wall of the moving rod 20. A second spring 301 is sleeved on the side wall of the first T-shaped guide rod 303. A limiting mechanism is arranged between the moving rod 20 and the rotating disc 19. When the moving ring 22 abuts against the end of the flange, the second spring 301 is gradually compressed, ensuring that the moving ring 22 can always abut against the end of the flange, guaranteeing the sealing effect, preventing the paint from being sprayed on the end of the flange, and ensuring the spraying quality.

[0041] The limiting mechanism includes a fixed rod 402 fixedly connected to the end of the rotating disc 19. A fixed block 401 is fixedly connected to the side wall of the moving rod 20. When the end of the fixed rod 402 abuts against the side wall of the fixed block 401, the moving plate 16 cannot move further. At this time, stop rotating the handwheel 505, so as to control the extrusion force of the conical block 21 on the valve body, ensuring the clamping and limiting effect while avoiding damage to it.

[0042] The lifting mechanism includes a second sleeve rod 501 fixedly connected to the top of the U-shaped frame 15. A second sleeve 502 is sleeved on the side wall of the second sleeve rod 501. The lower end of the second sleeve 502 is fixed to the top of the moving plate 16. The top of the U-shaped frame 15 is rotatably connected with a threaded rod 504. A threaded tube 503 is threadedly connected to the side wall of the threaded rod 504. The lower end of the threaded tube 503 is fixed to the top of the moving plate 16. The upper end of the threaded rod 504 is fixedly connected with a handwheel 505. Rotate the handwheel 505, the rotation of the handwheel 505 drives the rotation of the threaded rod 504, and then drives the moving plate 16 to move.

[0043] The buffer mechanism includes a third sleeve 601 fixedly connected to the bottom of the mounting disc 13. The third sleeve 601 is filled with damping fluid. A sliding disc 602 is slidably connected in the third sleeve 601. A plurality of through holes 604 arranged in an array are opened at the top of the sliding disc 602. A third sleeve rod 603 is fixedly connected to the bottom of the sliding disc 602. The lower end of the third sleeve rod 603 is fixed to the top of the mounting block 14. A third spring 605 is sleeved on the side wall of the third sleeve rod 603. During the conveying process, when the U-shaped frame 15 and the valve body shake, the sliding disc 602 slides in the third sleeve 601. At the same time, the damping fluid flows along the through holes 604, and the third spring 605 deforms, so as to achieve a good damping and buffering effect, avoid the shaking of the U-shaped frame 15 and the valve body, be more stable and reliable, and ensure the quality of subsequent paint spraying.

[0044] The clamping mechanism includes a rectangular hole 701 opened at the bottom of the mounting block 14, and a rectangular rod 702 is inserted into the rectangular hole 701. The lower end of the rectangular rod 702 is fixedly connected to the top of the U-shaped frame 15, and a clamping groove 703 is formed on the side wall of the rectangular rod 702. A clamping block 704 is inserted into the side wall of the mounting block 14. The clamping block 704 includes an inclined surface 705, and the clamping block 704 is connected to the side wall of the mounting block 14 through a second reset mechanism. After the valve body is clamped and limited, the rectangular rod 702 at the top of the U-shaped frame 15 is inserted into the rectangular hole 701. When the top of the rectangular rod 702 abuts against the inclined surface 705, the clamping block 704 is pushed to move away from the rectangular rod 702. When the clamping groove 703 is aligned with the clamping block 704, the clamping block 704 can be inserted into the clamping groove 703 under the action of the second reset mechanism. After the spraying is completed, it is convenient to clamp and fix the U-shaped frame 15 and the mounting block 14. When disassembly is required, the second connecting block 802 is pulled to make the clamping block 704 withdraw from the clamping groove 703. At this time, the U-shaped frame 15 can be removed from the mounting block 14.

[0045] The second reset mechanism includes two symmetrically arranged second T-shaped guide rods 801 fixedly connected to the side wall of the mounting block 14. A second connecting block 802 is sleeved on the side wall of the second T-shaped guide rod 801. The second connecting block 802 is fixedly connected to the side wall of the clamping block 704, and a fourth spring 803 is sleeved on the side wall of the second T-shaped guide rod 801, which plays a role in guiding and resetting the movement of the clamping block 704.

[0046] The conveying mechanism includes two symmetrically arranged fixing plates 901 fixedly connected to the outer side wall of the spraying chamber 1. Two symmetrically arranged support plates 902 are fixedly connected to the bottom of each fixing plate 901. A conveying roller 903 is rotatably connected to the side wall of the support plate 902 through a rotating rod 905, and a conveyor belt 12 is sleeved on the side wall of the conveying roller 903. A motor 904 is fixedly connected to the side wall of the support plate 902, and the output end of the motor 904 is fixedly connected to one end of the rotating rod 905. When the motor 904 is started, the rotation of the motor 904 drives the rotation of the rotating rod 905 and the conveying roller 903, thereby driving the conveying of the conveyor belt 12 and the valve body.

[0047] A method for using a valve paint spraying device for valve production as described above includes the following steps:

[0048] S1: Align the through - openings at both ends of the flange of the valve body with the two tapered blocks 21. Then, rotate the handwheel 505. The rotation of the handwheel 505 drives the rotation of the threaded rod 504, which in turn drives the moving plate 16 to move downward. As a result, the two tapered blocks 21 and the two moving rings 22 move closer to each other. When the moving ring 22 abuts against the end of the flange, the second spring 301 is gradually compressed. When the handwheel 505 is rotated continuously, the through - openings at both ends abut against the side walls of the tapered blocks 21. At the same time, the first sleeve rod 202 slides into the first sleeve 201, and the first spring 203 is compressed. When the end of the fixed rod 402 abuts against the side wall of the fixed block 401, the moving plate 16 cannot move further. At this time, stop rotating the handwheel 505, so as to control the extrusion force of the tapered blocks 21 on the valve body, ensure the clamping and limiting effect while avoiding damage to it, facilitate the limiting of valve bodies of different specifications and sizes, and be able to seal the end of the flange and the through - opening, thus ensuring the efficiency and quality of subsequent paint spraying;

[0049] S2: Insert the rectangular rod 702 at the top of the U - shaped frame 15 into the rectangular hole 701. When the top of the rectangular rod 702 abuts against the inclined surface 705, push the block 704 to move away from the rectangular rod 702. At the same time, the fourth spring 803 is compressed. When the card slot 703 is aligned with the block 704, the block 704 can be inserted into the card slot 703 under the action of the fourth spring 803, and the top of the block 704 abuts against the top of the card slot 703, thus facilitating the clamping and fixing of the U - shaped frame 15 and the mounting block 14;

[0050] S3: Start the motor 904. The rotation of the motor 904 drives the rotation of the rotating rod 905 and the conveying roller 903, thereby driving the conveying of the conveyor belt 12, so that the valve body enters the spraying chamber 1 through the feeding port 101. At the same time, start the spraying robot 10 and the spray head 11 to perform the paint spraying operation on the valve body, which can avoid the paint being sprayed on the end face of the flange and entering the inside of the valve body through the through - opening, ensuring the quality of spraying;

[0051] S4: At the same time, when the U - shaped frame 15 and the valve body shake, the sliding disk 602 slides in the third sleeve 601. At the same time, the damping liquid flows along the through - hole 604, and the third spring 605 deforms, so as to achieve a good damping and buffering effect, avoid the shaking of the U - shaped frame 15 and the valve body, be more stable and reliable, and ensure the quality of subsequent paint spraying;

[0052] S5: Moreover, the gear 23 rolls on the rack 25, causing the rotating shaft 18 and the rotating disc 19 to rotate, thereby driving the valve body to rotate, ensuring the efficiency and quality of paint spraying. After the spraying is completed, the valve body can be dried under the action of the drying lamp 17. The dried valve body is conveyed to the outside of the spraying chamber 1 through the discharge port 102. Also, pull the second connecting block 802 to make the clamping block 704 withdraw from the clamping groove 703. At this time, the U-shaped frame 15 can be removed from the mounting block 14. Then, reverse-rotate the handwheel 505 to loosen the valve body. By repeating this process, continuous automated spraying operation of the valve body can be achieved.

Claims

1. A valve paint spraying device for valve production, comprising a spraying robot (10) arranged in a spraying room (1), the spraying robot (10) comprising a spray head (11), a feed inlet (101) and a discharge outlet (102) being arranged on both sides of the spraying room (1), and a drying lamp (17) being fixedly connected to the inner side wall of the spraying room (1), characterized in that: A conveyor belt (12) is provided in the spray chamber (1), and the conveyor belt (12) is inserted into the feed port (101) and the discharge port (102); a plurality of mounting plates (13) arranged in an array are fixedly connected to the conveyor belt (12); the ends of the mounting plates (13) are connected to mounting blocks (14) via a buffer mechanism; the bottom of the mounting block (14) is detachably connected to a U-shaped frame (15) via a clamping mechanism; the top of the U-shaped frame (15) is connected to a moving plate (16) via a lifting mechanism; a clamping mechanism for clamping and limiting the valve body is provided between the moving plate (16) and the U-shaped frame (15); The clamping mechanism comprises two symmetrically arranged rotating shafts (18), wherein the upper end of one of the rotating shafts (18) is rotatably connected to the bottom of the moving plate (16), and the lower end of the other rotating shaft (18) is rotatably connected to the bottom of the U-shaped frame (15), and the opposite ends of the two rotating shafts (18) are fixedly connected to two symmetrically arranged rotating disks (19), and the ends of each rotating disk (19) are connected to a moving rod (20) via a telescopic mechanism, and the other end of the moving rod (20) is fixedly connected to a conical block (21), and the side wall of the conical block (21) is sleeved with a moving ring (22), and the moving ring (22) slides on the side wall of the moving rod (20), and the moving ring (22) is connected to the side wall of the moving rod (20) via a first reset mechanism, and the rotation of the rotating shaft (18) is driven by a driving mechanism; The first reset mechanism comprises two symmetrically arranged first T-shaped guide rods (303) fixedly connected to the end of the moving ring (22), the side walls of the first T-shaped guide rods (303) are sleeved with first connection blocks (302), the first connection blocks (302) are fixed to the side walls of the moving rod (20), the side walls of the first T-shaped guide rods (303) are sleeved with second springs (301), and a limiting mechanism is provided between the moving rod (20) and the rotating disk (19); The limiting mechanism comprises a fixed rod (402) fixedly connected to the end of the rotating disk (19), and a fixed block (401) is fixedly connected to the side wall of the moving rod (20); The driving mechanism comprises a gear (23) fixedly sleeved on the side wall of the rotating shaft (18) located below, and a connecting plate (24) is fixedly connected to the inner side wall of the spray chamber (1), and a rack (25) is fixedly connected to the side wall of the connecting plate (24); The clamping mechanism comprises a rectangular hole (701) formed at the bottom of the mounting block (14), a rectangular rod (702) being inserted into the rectangular hole (701), the lower end of the rectangular rod (702) being fixed to the top of the U-shaped frame (15), and a clamping groove (703) being formed on the side wall of the rectangular rod (702), a clamping block (704) being inserted into the side wall of the mounting block (14), the clamping block (704) comprising an inclined surface (705), and the clamping block (704) being connected to the side wall of the mounting block (14) via a second reset mechanism; The second reset mechanism comprises two symmetrically arranged second T-shaped guide rods (801) fixedly connected to the side wall of the mounting block (14), the side wall of the second T-shaped guide rod (801) being sleeved with a second connecting block (802), the second connecting block (802) being fixed to the side wall of the clamping block (704), and the side wall of the second T-shaped guide rod (801) being sleeved with a fourth spring (803).

2. The valve paint spraying equipment for valve production according to claim 1 is characterized in that: The telescopic mechanism comprises a first sleeve (201) fixedly connected to the end of the rotating disk (19), a first sleeve rod (202) being inserted into the side wall of the first sleeve (201), the lower end of the first sleeve rod (202) being fixed to the end of the moving rod (20), and a first spring (203) being sleeved on the side wall of the first sleeve (201).

3. The valve paint spraying equipment for valve production according to claim 2, characterized in that: The lifting mechanism comprises a second rod (501) fixedly connected to the top of the U-shaped frame (15), and the side wall of the second rod (501) is sleeved with a second sleeve (502), the lower end of the second sleeve (502) is fixed to the top of the moving plate (16), and the top of the U-shaped frame (15) is rotatably connected to a threaded rod (504), the side wall of the threaded rod (504) is threadedly connected to a threaded tube (503), and the lower end of the threaded tube (503) is fixed to the top of the moving plate (16), and the upper end of the threaded rod (504) is fixedly connected to a rocker (505).

4. The valve paint spraying equipment for valve production according to claim 3 is characterized by: The buffer mechanism comprises a third sleeve (601) fixedly connected to the bottom of the mounting plate (13), and the third sleeve (601) is filled with damping fluid; a sliding plate (602) is slidably connected to the third sleeve (601), and a plurality of through holes (604) arranged in an array are provided on the top of the sliding plate (602); a third rod (603) is fixedly connected to the bottom of the sliding plate (602), and the lower end of the third rod (603) is fixed to the top of the mounting block (14); and a third spring (605) is sleeved on the side wall of the third rod (603).

5. The valve paint spraying equipment for valve production according to claim 4, characterized in that: The invention comprises two symmetrically arranged fixing plates (901) fixedly connected to the outer side wall of the spray chamber (1), and two symmetrically arranged supporting plates (902) are fixedly connected to the bottom of each fixing plate (901), the side wall of the supporting plate (902) is rotatably connected to a conveying roller (903) via a rotating rod (905), and a conveying belt (12) is sleeved on the side wall of the conveying roller (903), and the side wall of the supporting plate (902) is fixedly connected to a motor (904), and the output end of the motor (904) is fixed to one end of the rotating rod (905).

6. A method for using the valve paint spraying equipment for valve production as claimed in claim 5, characterized in that: The following steps are involved: S1: Align the openings of the flanges at both ends of the valve body with the two conical blocks (21), then rotate the rocker (505). The rotation of the rocker (505) drives the threaded rod (504) to rotate, thereby driving the movable plate (16) to move downward, so that the two conical blocks (21) and the two movable rings (22) move closer to each other. When the movable rings (22) abut against the ends of the flanges, the second spring (301) is gradually compressed. When the rocker (505) continues to be rotated, the openings at both ends abut against the side walls of the conical blocks (21), and the first set of rods (202 ) slides into the first sleeve (201), and at the same time, the first spring (203) is compressed. When the end of the fixing rod (402) abuts against the side wall of the fixing block (401), the movable plate (16) cannot move further. At this time, the rotation of the rocker (505) is stopped, so that the squeezing force of the conical block (21) on the valve body can be controlled, and the clamping and limiting effect can be ensured while avoiding damage to the valve body, so as to facilitate the limiting of valve bodies of different specifications and sizes, and the end and the opening of the flange can be sealed, so as to ensure the efficiency and quality of subsequent paint spraying; S2: inserting the rectangular rod (702) at the top of the U-shaped frame (15) into the rectangular hole (701), and when the top of the rectangular rod (702) abuts against the inclined surface (705), the clamping block (704) is pushed to move in a direction away from the rectangular rod (702), and at the same time, the fourth spring (803) is compressed, and when the clamping slot (703) and the clamping block (704) are aligned, the clamping block (704) can be inserted into the clamping slot (703) under the action of the fourth spring (803), and the top of the clamping block (704) abuts against the top of the clamping slot (703), so as to facilitate clamping and fixing the U-shaped frame (15) and the mounting block (14); S3: starting the motor (904). The rotation of the motor (904) drives the rotation of the rotating rod (905) and the conveying roller (903), thereby driving the conveying of the conveying belt (12), so that the valve body enters the spraying chamber (1) through the feed port (101). At the same time, starting the spraying robot (10) and the spray head (11) to spray paint on the valve body, thereby preventing the paint from being sprayed on the end face of the flange and entering the interior of the valve body through the opening, thereby ensuring the quality of the spraying; S4: At the same time, when the U-shaped frame (15) and the valve body shake, the sliding plate (602) slides in the third sleeve (601), and at the same time, the damping fluid flows along the through hole (604), and the third spring (605) deforms, thereby achieving a good damping effect, avoiding the shaking of the U-shaped frame (15) and the valve body, and being more stable and reliable, thereby ensuring the quality of subsequent paint spraying; S5: Furthermore, the gear (23) rolls on the rack (25), causing the rotating shaft (18) and the rotating disk (19) to rotate, thereby driving the valve body to rotate, thereby ensuring the efficiency and quality of the paint spraying. After the spraying is completed, the valve body can be dried under the action of the drying lamp (17). The dried valve body is transported to the outside of the spraying room (1) through the discharge port (102), and the second connecting block (802) is pulled to allow the clamping block (704) to withdraw from the clamping groove (703). At this time, the U-shaped frame (15) can be removed from the mounting block (14). Then, the rocker (505) is rotated in the opposite direction to release the valve body. This reciprocating process can realize the continuous automatic spraying operation of the valve body.

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