阅读说明：本技术 一种具有防溅射功能的金属制品制造用喷漆设备 (Paint spraying equipment with anti-sputtering function for manufacturing metal products ) 是由 汤敏 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种具有防溅射功能的金属制品制造用喷漆设备,属于金属制品加工技术领域,包括安装板和加压泵,工作台上开设有与滑块配合的滑槽,滑块上螺纹连接有固定销,固定销与工作台相抵,缺齿齿轮交替与矩形齿条上的上下边齿牙啮合。本发明通过设置防护罩,达到了防止喷漆时油漆溅射的效果,通过设置切换机构,达到了调整完喷杆与工件之间的距离之后自动停止喷管的运动,使得工作台往复滑动,使得喷漆均匀的效果,通过设置清理机构,达到了对防护罩内部滴落的油漆进行清理的效果,通过设置搅拌机构,达到了对油漆箱内的油漆搅拌,防止油漆沉淀的效果。(The invention discloses paint spraying equipment with a sputtering prevention function for manufacturing a metal product, which belongs to the technical field of metal product processing and comprises a mounting plate and a pressure pump, wherein a sliding groove matched with a sliding block is formed in a workbench, a fixed pin is in threaded connection with the sliding block and abuts against the workbench, and a gear with missing teeth is alternately meshed with upper and lower side teeth on a rectangular rack. According to the invention, the protective cover is arranged, so that the effect of preventing paint sputtering during paint spraying is achieved, the switching mechanism is arranged, the spray pipe is automatically stopped after the distance between the spray rod and the workpiece is adjusted, the workbench is made to slide back and forth, so that the paint spraying is uniform, the cleaning mechanism is arranged, so that the effect of cleaning the paint dropping from the interior of the protective cover is achieved, and the stirring mechanism is arranged, so that the effects of stirring the paint in the paint box and preventing the paint from precipitating are achieved.)

1. Paint spraying equipment with anti-sputtering function for manufacturing metal products, comprising a mounting plate (1) and a pressure pump (401), and is characterized in that: sliding connection has paint box (4) on mounting panel (1), force (forcing) pump (401) fixed connection is on paint box (4), fixedly connected with spray lance (405) is gone up in paint box (4), fixedly connected with shelves ring (4051) is gone up in spray lance (405), sliding connection has protection casing (5) on spray lance (405), shelves ring (4051) offsets with protection casing (5), sliding connection has workstation (2) on mounting panel (1), sliding connection has clamp splice (201) that are used for the centre gripping work piece on workstation (2), protection casing (5) offsets with the work piece, fixedly connected with slider (2011) is gone up in clamp splice (201), set up on workstation (2) with slider (2011) complex spout, threaded connection has fixed pin (20112012) on slider (2011), fixed pin (2012) offsets with workstation (2012), the bottom of the mounting plate (1) is rotatably connected with a worm (303), a rotating shaft (3031) is coaxially and fixedly connected to the worm (303), a tooth-missing gear (3032) is coaxially and fixedly connected to the rotating shaft (3031), a rectangular rack (202) is fixedly connected to the bottom of the workbench (2), and the tooth-missing gear (3032) is alternately meshed with upper and lower side teeth on the rectangular rack (202); the mounting plate (1) is provided with a driving part for driving the paint box (4) to slide, the driving part comprises a motor (3), the motor (3) is fixedly connected onto the mounting plate (1), the output end of the motor (3) is fixedly connected with a first gear (301), the mounting plate (1) is rotatably connected with a mounting rack (3021), the mounting rack (3021) is rotatably connected with a second gear (3022), the bottom of the paint box (4) is fixedly connected with a first rack (404), and the second gear (3022) is meshed with the first gear (301) and the first rack (404); the protection cover (5) is provided with a switching mechanism for switching a power transmission path of the driving part, the switching mechanism comprises a rectangular rod (302), the rectangular rod (302) is fixedly connected onto an installation frame (3021), the protection cover (5) is rotatably connected with a first telescopic rod (501), one end, far away from the protection cover (5), of the first telescopic rod (501) is rotatably connected onto the paint box (4), the first telescopic rod (501) is sleeved with a first spring (5011), two ends of the first spring (5011) are respectively abutted against the protection cover (5) and the paint box (4), the protection cover (5) is fixedly connected with an L-shaped frame (502), the L-shaped frame (502) is slidably connected onto the paint box (4), the L-shaped frame (502) is fixedly connected with a push block (5021), and the push block (5021) is abutted against the rectangular rod (302); switching mechanism still includes push rod (6), push rod (6) sliding connection is on mounting panel (1), it is connected with second telescopic link (601) to rotate on push rod (6), the one end that push rod (6) were kept away from in second telescopic link (601) rotates and connects on mounting panel (1), second spring (6011) has been cup jointed on second telescopic link (601), the both ends of second spring (6011) offset with push rod (6) and mounting panel (1) respectively, the quantity of second telescopic link (601) specifically is two sets of, and two sets of second telescopic link (601) symmetric distribution is in the both sides of push rod (6), push rod (6) offset with rectangular rod (302), be equipped with pressure sensitive switch (602) that are used for controlling force (forcing) pump (401) work on mounting panel (1), push rod (6) offset with pressure sensitive switch (602).

2. The paint spraying apparatus for manufacturing metal products with sputtering prevention function as claimed in claim 1, wherein: the switching mechanism further comprises a third gear (3023), and the third gear (3023) is rotatably connected to the mounting rack (3021).

3. The paint spraying apparatus for manufacturing metal products having a sputtering prevention function according to claim 2, wherein: a worm wheel (3024) is coaxially and fixedly connected to the third gear (3023), the third gear (3023) is meshed with the first gear (301), and the worm wheel (3024) is meshed with the worm (303).

4. The paint spraying apparatus for manufacturing metal products with sputtering prevention function as claimed in claim 1, wherein: be equipped with the clearance mechanism that is used for clearing up protection casing (5) on workstation (2), clearance mechanism includes pinion rack (203), pinion rack (203) fixed connection is on workstation (2), it is connected with ring gear (503) to rotate on protection casing (5), pinion rack (203) and ring gear (503) meshing, fixedly connected with scrapes pole (5031) on ring gear (503), scrape the inner wall laminating of pole (5031) and protection casing (5).

5. The paint spraying apparatus for manufacturing metal products with sputtering prevention function according to claim 4, wherein: the clearance mechanism still includes piston cylinder (7), piston cylinder (7) fixed connection is on mounting panel (1), fixedly connected with piston rod (701) is gone up in pinion rack (203), piston rod (701) sliding connection is in piston cylinder (7), fixedly connected with extraction pipe (702) and discharge pipe (703) are gone up in piston cylinder (7), all be equipped with check valve (7021) on extraction pipe (702) and discharge pipe (703), the one end fixed connection that piston cylinder (7) were kept away from in extraction pipe (702) is on protection casing (5), be equipped with the rabbling mechanism that is used for stirring paint in paint box (4) in the clearance mechanism, rabbling mechanism includes slide (402), slide (402) sliding connection is in paint box (4), slide (402) and the inner wall laminating of paint box (4), paint box (4) offset with slide (402), a U-shaped frame (4021) is fixedly connected to the sliding plate (402), a rotating rod (4031) is connected to the U-shaped frame (4021) in a rotating mode, a blocking rod (403) is fixedly connected to one end of the rotating rod (4031), a limiting ring (4032) is fixedly connected to the other end of the rotating rod (4031), a convex block (4034) is arranged on the U-shaped frame (4021), the convex block (4034) abuts against the blocking rod (403), a torsion spring (4033) is sleeved on the rotating rod (4031), two ends of the torsion spring (4033) are respectively and fixedly connected to the limiting ring (4032) and the U-shaped frame (4021), a shift lever (5032) is fixedly connected to the toothed ring (503), the shift lever (5032) abuts against the blocking rod (403), a threaded barrel (4023) is rotatably connected to the paint box (4), a first stirring plate (4024) is fixedly connected to the threaded barrel (4023), a threaded rod (4022) is fixedly connected to the bottom of the sliding plate (402), the threaded rod (4022) is in threaded connection with the threaded barrel (4023).

6. The paint spraying apparatus for manufacturing metal products with sputtering prevention function according to claim 5, wherein: the rotating rod (4031) is sleeved with a torsion spring (4033), two ends of the torsion spring (4033) are respectively and fixedly connected to a limiting ring (4032) and a U-shaped frame (4021), the toothed ring (503) is fixedly connected with a shifting rod (5032), the shifting rod (5032) abuts against the blocking rod (403), and the paint box (4) is rotatably connected with a cylindrical rod (4061).

7. The paint spraying apparatus for manufacturing metal products with sputtering prevention function according to claim 6, wherein: the cylindrical rod (4061) is fixedly connected with a fourth gear (406) and a second stirring plate (4062), the bottom of the sliding plate (402) is fixedly connected with a second rack (407), and the second rack (407) is meshed with the fourth gear (406).

Technical Field

The invention relates to the technical field of metal product processing, in particular to a paint spraying device with an anti-sputtering function for manufacturing metal products.

Background

After the metal product is produced, the metal surface is usually painted to reduce the possibility of rusting and to improve the appearance.

When the surface of metal is painted, the metal is usually painted by a handheld spray gun at the present stage, the paint is splashed onto the body of workers, the workers cannot conveniently clean clothes, and meanwhile, the workers suck the splashed paint to threaten the health, so that the problem is solved by a paint spraying device with a sputtering prevention function for manufacturing metal products.

Disclosure of Invention

The invention aims to provide paint spraying equipment with a sputtering prevention function for manufacturing metal products, which has the advantages of automatically adjusting the distance between a spray rod and a workpiece, preventing paint sputtering during paint spraying and solving the problem that paint sputtering is easily caused by manual paint spraying.

In order to achieve the purpose, the invention provides the following technical scheme: the paint spraying equipment with the sputtering prevention function for manufacturing the metal products comprises a mounting plate and a pressure pump, wherein a paint box is connected to the mounting plate in a sliding manner, the pressure pump is fixedly connected to the paint box, a spray rod is fixedly connected to the paint box, a check ring is fixedly connected to the spray rod, a protective cover is connected to the spray rod in a sliding manner, the check ring abuts against the protective cover, a workbench is connected to the mounting plate in a sliding manner, a clamping block for clamping a workpiece is connected to the workbench in a sliding manner, the protective cover abuts against the workpiece, a sliding block is fixedly connected to the clamping block, a sliding groove matched with the sliding block is formed in the workbench, a fixing pin is connected to the sliding block in a threaded manner, the fixing pin abuts against the workbench, a worm is rotatably connected to the bottom of the mounting plate, a rotating shaft is fixedly connected to the worm, and a tooth-lacking gear is fixedly connected to the rotating shaft in a coaxial manner, the bottom of the workbench is fixedly connected with a rectangular rack, and the gear with missing teeth is alternately meshed with upper and lower side teeth on the rectangular rack.

Preferably, be equipped with on the mounting panel and be used for driving the gliding drive division of paint-box, the drive division includes the motor, motor fixed connection is on the mounting panel, the first gear of output fixedly connected with of motor, it is connected with the mounting bracket to rotate on the mounting panel, it is connected with the second gear to rotate on the mounting bracket, the first rack of paint-box bottom fixedly connected with, second gear and first rack toothing.

Preferably, be equipped with the switching mechanism that is used for switching drive division power transmission route on the protection casing, the switching mechanism includes the rectangle pole, rectangle pole fixed connection is on the mounting bracket, it is connected with first telescopic link to rotate on the protection casing, the one end that the protection casing was kept away from to first telescopic link rotates and connects on the paint can, first spring has been cup jointed on the first telescopic link, the both ends of first spring support with protection casing and paint can respectively mutually, fixedly connected with L shape frame on the protection casing, L shape frame sliding connection is on the paint can, fixedly connected with ejector pad on the L shape frame, the ejector pad offsets with the rectangle pole.

Preferably, the switching mechanism still includes the push rod, push rod sliding connection is on the mounting panel, it is connected with the second telescopic link to rotate on the push rod, the one end that the push rod was kept away from to the second telescopic link is rotated and is connected on the mounting panel, the second spring has been cup jointed on the second telescopic link, the both ends of second spring offset with push rod and mounting panel respectively, the quantity of second telescopic link specifically is two sets of, and two sets of second telescopic link symmetric distribution is in the both sides of push rod, the push rod offsets with the rectangular pole, be equipped with the pressure sensitive switch who is used for controlling the booster pump work on the mounting panel, the push rod offsets with pressure sensitive switch.

Preferably, the switching mechanism further comprises a third gear, the third gear is rotatably connected to the mounting frame, a worm wheel is coaxially and fixedly connected to the third gear, the third gear is meshed with the first gear, and the worm wheel is meshed with the worm.

Preferably, be equipped with the clearance mechanism that is used for clearing up the protection casing on the workstation, clearance mechanism includes the pinion rack, pinion rack fixed connection is on the workstation, it is connected with the ring gear to rotate on the protection casing, pinion rack and ring gear meshing, fixedly connected with scrapes the pole on the ring gear, scrape the inner wall laminating of pole and protection casing.

Preferably, clearance mechanism still includes a piston section of thick bamboo, piston section of thick bamboo fixed connection is on the mounting panel, fixedly connected with piston rod on the pinion rack, piston rod sliding connection is in the piston section of thick bamboo, fixedly connected with extraction tube and discharge pipe on the piston section of thick bamboo, all be equipped with the check valve on extraction tube and the discharge pipe, the one end fixed connection that the piston section of thick bamboo was kept away from to the extraction tube is on the safety shield.

Preferably, the cleaning mechanism is provided with a stirring mechanism for stirring paint in the paint tank, the stirring mechanism comprises a sliding plate, the sliding plate is slidably connected in the paint tank, the sliding plate is attached to the inner wall of the paint tank, the paint tank abuts against the sliding plate, a U-shaped frame is fixedly connected to the sliding plate, a rotating rod is rotatably connected to the U-shaped frame, one end of the rotating rod is fixedly connected with a stop rod, the other end of the rotating rod is fixedly connected with a limit ring, a convex block is arranged on the U-shaped frame and abuts against the stop rod, a torsion spring is sleeved on the rotating rod, two ends of the torsion spring are respectively fixedly connected to the limit ring and the U-shaped frame, a shift lever is fixedly connected to the tooth ring and abuts against the stop rod, a threaded cylinder is rotatably connected in the paint tank, a first stirring plate is fixedly connected to the threaded cylinder, and a threaded rod is fixedly connected to the bottom of the sliding plate, the threaded rod is in threaded connection with the inside of the threaded barrel.

Preferably, the paint tank is rotatably connected with a cylindrical rod, the cylindrical rod is fixedly connected with a fourth gear and a second stirring plate, the bottom of the sliding plate is fixedly connected with a second rack, and the second rack is meshed with the fourth gear.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the protective cover is arranged, so that the effect of preventing paint sputtering during paint spraying is achieved.

2. According to the invention, by arranging the switching mechanism, the effect of automatically stopping the movement of the spray pipe after the distance between the spray rod and the workpiece is adjusted, so that the workbench slides back and forth, and the paint is uniformly sprayed.

3. According to the invention, the cleaning mechanism is arranged, so that the effect of cleaning the paint dripping from the interior of the protective cover is achieved.

4. According to the invention, the stirring mechanism is arranged, so that the effects of stirring the paint in the paint box and preventing the paint from precipitating are achieved.

Drawings

FIG. 1 is a first schematic view of an appearance structure of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

FIG. 3 is a schematic structural view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of a workbench according to the present invention;

FIG. 5 is a first schematic structural view of the cleaning mechanism of the present invention;

FIG. 6 is a first schematic structural diagram of the switching mechanism of the present invention;

FIG. 7 is a second schematic structural diagram of the switching mechanism of the present invention;

FIG. 8 is a first schematic structural diagram of a stirring mechanism according to the present invention;

FIG. 9 is a schematic view of the structure of portion B of FIG. 8 according to the present invention;

FIG. 10 is a second schematic structural view of the cleaning mechanism of the present invention;

FIG. 11 is a second schematic structural diagram of the stirring mechanism of the present invention.

In the figure: 1. mounting a plate; 2. a work table; 201. a clamping block; 2011. a slider; 2012. a fixing pin; 202. a rectangular rack; 203. a toothed plate; 3. a motor; 301. a first gear; 302. a rectangular bar; 3021. a mounting frame; 3022. a second gear; 3023. a third gear; 3024. a worm gear; 303. a worm; 3031. a rotating shaft; 3032. a gear with missing teeth; 4. a paint box; 401. a pressure pump; 402. a slide plate; 4021. a U-shaped frame; 4022. a threaded rod; 4023. a threaded barrel; 4024. a first stirring plate; 403. a gear lever; 4031. a rotating rod; 4032. a limiting ring; 4033. a torsion spring; 4034. a bump; 404. a first rack; 405. a spray rod; 4051. a retainer ring; 406. a fourth gear; 4061. a cylindrical rod; 4062. a second paddle; 407. a second rack; 5. a protective cover; 501. a first telescopic rod; 5011. a first spring; 502. an L-shaped frame; 5021. a push block; 503. a toothed ring; 5031. a scraping rod; 5032. a deflector rod; 6. a push rod; 601. a second telescopic rod; 6011. a second spring; 602. a pressure sensitive switch; 7. a piston cylinder; 701. a piston rod; 702. an extraction pipe; 7021. a one-way valve; 703. and (4) discharging the water.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 and 2, the present invention provides a technical solution: a paint spraying device with an anti-sputtering function for manufacturing metal products comprises a mounting plate 1 and a pressure pump 401, wherein a paint box 4 is connected onto the mounting plate 1 in a sliding manner, the pressure pump 401 is fixedly connected onto the paint box 4, a spray rod 405 is fixedly connected onto the paint box 4, a baffle ring 4051 is fixedly connected onto the spray rod 405, a protective cover 5 is connected onto the spray rod 405 in a sliding manner, the baffle ring 4051 abuts against the protective cover 5, a workbench 2 is connected onto the mounting plate 1 in a sliding manner, a clamping block 201 for clamping a workpiece is connected onto the workbench 2 in a sliding manner, the protective cover 5 abuts against the workpiece, a slide block 2011 is fixedly connected onto the clamping block 201, a slide groove matched with the slide block 2011 is formed in the workbench 2, a fixing pin 2012 is connected onto the slide block 2011 in a threaded manner, the fixing pin 2012 abuts against the workbench 2, a worm 303 is rotatably connected onto the bottom of the mounting plate 1, a rotating shaft 3031 is coaxially and fixedly connected onto the worm 303, a tooth-lacking gear 3032 is coaxially fixedly connected onto the rotating shaft 3031, the bottom of the workbench 2 is fixedly connected with a rectangular rack 202, and a gear 3032 with teeth which are alternately meshed with the upper and lower teeth on the rectangular rack 202.

The position of clamp splice 201 can be adjusted to the fixing pin 2012 loose, place the work piece between two sets of clamp splice 201, promote clamp splice 201 and clip the work piece, tighten fixing pin 2012 this moment again, thereby the position of clamp splice 201 can not change, drive division drive paint can 4 is close to the work piece, paint can 4's continued motion makes the protection casing 5 receive the extrusion and slides back after the protection casing 5 contacts the work piece, switching mechanism switches power to drive workstation 2 and slides this moment, the reciprocal slip of workstation 2 makes the even cover of paint of spray lance 405 spun on the work piece, the setting of protection casing 5 makes can not produce the sputtering when paint spouts.

Referring to fig. 1 and 2, a driving portion for driving the paint box 4 to slide is arranged on the mounting plate 1, the driving portion includes a motor 3, the motor 3 is fixedly connected to the mounting plate 1, an output end of the motor 3 is fixedly connected with the first gear 301, the mounting plate 1 is rotatably connected with a mounting rack 3021, the mounting rack 3021 is rotatably connected with a second gear 3022, a bottom of the paint box 4 is fixedly connected with a first rack 404, and the second gear 3022 is engaged with the first gear 301 and the first rack 404.

After the motor 3 is started, the first gear 301 rotates, the first gear 301 drives the second gear 3022 meshed with the first gear to rotate, at the moment, the second gear 3022 is meshed with the first rack 404, so that the rotating second gear 3022 drives the first rack 404 to slide, and as the first rack 404 is fixedly connected to the paint box 4, the paint box 4 slides synchronously, and at the moment, the paint box 4 is gradually close to a workpiece.

Referring to fig. 2, 3, 6 and 7, the protective hood 5 is provided with a switching mechanism for switching a power transmission path of the driving portion, the switching mechanism includes a rectangular rod 302, the rectangular rod 302 is fixedly connected to a mounting rack 3021, the protective hood 5 is rotatably connected to a first telescopic rod 501, one end of the first telescopic rod 501 away from the protective hood 5 is rotatably connected to the paint tank 4, the first telescopic rod 501 is sleeved with a first spring 5011, two ends of the first spring 5011 respectively abut against the protective hood 5 and the paint tank 4, the protective hood 5 is fixedly connected to an L-shaped rack 502, the L-shaped rack 502 is slidably connected to the paint tank 4, the L-shaped rack 502 is fixedly connected to a push block 5021, the push block 5021 abuts against the rectangular rod 302, the switching mechanism further includes a push rod 6, the push rod 6 is slidably connected to the mounting board 1, the push rod 6 is rotatably connected to a second telescopic rod 601, one end of the second telescopic rod 601 away from the push rod 6 is rotatably connected to the mounting board 1, the second spring 6011 is sleeved on the second telescopic rod 601, two ends of the second spring 6011 respectively abut against the push rod 6 and the mounting plate 1, the number of the second telescopic rods 601 is specifically two, the two groups of the second telescopic rods 601 are symmetrically distributed on two sides of the push rod 6, the push rod 6 abuts against the rectangular rod 302, the mounting plate 1 is provided with a pressure sensitive switch 602 for controlling the operation of the pressure pump 401, the push rod 6 abuts against the pressure sensitive switch 602, the switching mechanism further comprises a third gear 3023, the third gear 3023 is rotatably connected to the mounting frame 3021, the third gear 3023 is provided with a worm wheel 3024 in a coaxial and fixedly connected manner, the third gear 3023 is engaged with the first gear 301, and the worm wheel 3024 is engaged with the worm 303.

The paint box 4 is gradually close to the workpiece, the protective cover 5 is firstly contacted with the workpiece, at the moment, the paint box 4 continuously slides, so that the protective cover 5 does not continuously move after being subjected to resistance, at the moment, the protective cover 5 slides relative to the spray rod 405, so that the first telescopic rod 501 rotates and contracts, the protective cover 5 continuously slides, when the first telescopic rod 501 deviates from the vertical state, the first telescopic rod 501 rotates and extends under the elastic force of the first spring 5011, at the moment, the protective cover 5 is pushed to slide towards the paint box 4, before sliding, the spraying end of the spray rod 405 is positioned at the innermost part of the protective cover 5, after sliding, the spray rod 405 outwards slides for a certain distance relative to the protective cover 5, but the spraying end does not leak out of the end surface of the protective cover 5, at the moment, the paint sprayed out of the spray rod 405 cannot splash through the blocking of the protective cover 5, when the protective cover 5 slides synchronously, at the moment, the push block 5021 on the L-shaped frame 502 pushes the rectangular rod 302 to swing for a certain angle, the rectangular rod 302 pushes the push rod 6 to slide towards the direction of the pressure sensitive switch 602 and press the pressure sensitive switch 602, at this time, the pressure pump 401 works to pressurize the paint tank 4, so that the paint is sprayed out, the push rod 6 always presses the rectangular rod 302 due to the elastic force of the second spring 6011 in the initial state, the rectangular rod 302 is prevented from swinging, thereby the second gear 3022 is prevented from being disengaged from the first gear 301 and the first rack 404, the rectangular rod 302 is fixedly connected to the mounting rack 3021, so that the mounting rack 3021 rotates when the rectangular rod 302 is pushed, at this time, the second gear 3022 on the mounting rack 3021 is far away from the first gear 301 and the first rack 404, the third gear 3023 is close to the first gear 301 and is engaged with the first gear 301, the worm wheel 3024 is close to the worm 303 and is engaged with the worm 303, at this time, the distance between the spray rod 405 and the workpiece is adjusted and the painting work is started, the paint box 4 stops sliding, at the moment, the third gear 3023 is driven by the first gear 301 to rotate, the worm wheel 3024 coaxially and fixedly connected to the third gear 3023 synchronously rotates, so that the worm 303 rotates, the rotating shaft 3031 on the worm 303 rotates, so that the tooth-missing gear 3032 fixedly connected to the rotating shaft 3031 rotates, and as the tooth-missing gear 3032 is alternately meshed with the teeth on the upper side and the lower side of the rectangular rack 202, the rectangular rack 202 can slide back and forth, so that the workbench 2 fixedly connected to the rectangular rack 202 synchronously slides back and forth, and at the moment, the workpiece on the workbench 2 slides back and forth, so that the paint sprayed by the spray rod 405 uniformly covers the workpiece.

Referring to fig. 1, 2, 5 and 10, a cleaning mechanism for cleaning the protective cover 5 is arranged on the workbench 2, the cleaning mechanism includes a toothed plate 203, the toothed plate 203 is fixedly connected to the workbench 2, a toothed ring 503 is rotatably connected to the protective cover 5, the toothed plate 203 is meshed with the toothed ring 503, a scraping rod 5031 is fixedly connected to the toothed ring 503, the scraping rod 5031 is attached to the inner wall of the protective cover 5, the cleaning mechanism further includes a piston cylinder 7, the piston cylinder 7 is fixedly connected to the mounting plate 1, a piston rod 701 is fixedly connected to the toothed plate 203, the piston rod 701 is slidably connected to the piston cylinder 7, an extraction pipe 702 and a discharge pipe 703 are fixedly connected to the piston cylinder 7, check valves 7021 are arranged on the extraction pipe 702 and the discharge pipe 703, and one end of the extraction pipe 702, which is far away from the piston cylinder 7, is fixedly connected to the protective cover 5.

The toothed plate 203 has a sufficient width, the toothed plate 203 can always mesh with the toothed ring 503 on the protective cover 5 when the protective cover 5 follows the movement of the paint tank 4 and slides back, thereby driving the toothed ring 503 to rotate reciprocally when the toothed plate 203 slides reciprocally along with the worktable 2, at this time the scraping rod 5031 on the toothed ring 503 moves synchronously, since the scraping rod 5031 is attached to the inner wall of the protection cover 5, so that the paint splashed on the inner wall of the protection cover 5 is scraped by the moving scraping rod 5031, the piston rod 701 fixedly connected to the toothed plate 203 moves synchronously when the toothed plate 203 slides back and forth, the piston rod 701 slides in the piston cylinder 7, so that the piston cylinder 7 sucks out the scraped paint in the protective cover 5 through the extraction pipe 702, the extraction pipe 702 is a soft pipeline, the paint drawn into the piston cylinder 7 is discharged through the discharge pipe 703 without affecting the movement of the shield 5, and is received at the discharge end of the discharge pipe 703.

Example two

Referring to fig. 8, basically the same as the first embodiment, further, a stirring mechanism for stirring paint in the paint tank 4 is provided on the cleaning mechanism, the stirring mechanism includes a sliding plate 402, the sliding plate 402 is slidably connected in the paint tank 4, the sliding plate 402 is attached to the inner wall of the paint tank 4, the paint tank 4 abuts against the sliding plate 402, a U-shaped frame 4021 is fixedly connected to the sliding plate 402, a rotating rod 4031 is rotatably connected to the U-shaped frame 4021, a stop lever 403 is fixedly connected to one end of the rotating rod 4031, a stop ring 4032 is fixedly connected to the other end of the rotating rod 4031, a projection 4034 is provided on the U-shaped frame 4021, the projection 4034 abuts against the stop lever 403, a torsion spring 4033 is sleeved on the rotating rod 4031, two ends of the torsion spring 4033 are respectively fixedly connected to the stop ring 4032 and the U-shaped frame 4021, a shift lever 5032 is fixedly connected to the toothed ring 503, the shift lever 5032 abuts against the stop lever 4032, a threaded cylinder 4023 is rotatably connected to the paint tank 4, a first stirring plate 4024 is fixedly connected to the threaded cylinder 4023, the bottom of the sliding plate 402 is fixedly connected with a threaded rod 4022, and the threaded rod 4022 is in threaded connection in the threaded barrel 4023.

When the protective cover 5 moves towards the paint box 4, the toothed ring 503 moves synchronously, the rod 5032 on the toothed ring 503 can contact the stop lever 403, the rod 5032 intermittently presses the stop lever 403 along with the reciprocating rotation of the toothed ring 503, when the rod 5032 moves to the bottom of the stop lever 403 and moves back, the stop lever 403 is lifted, the stop lever 403 returns to the original position under the action of the torsion spring 4033, the rod 5032 presses the stop lever 403 when moving downwards from the upper part of the stop lever 403, the stop lever 403 cannot rotate under the action of the projection 4034, so that the U-shaped frame 4021 slides downwards, the sliding plate 402 fixedly connected to the U-shaped frame 4021 slides downwards synchronously, the threaded rod 4022 on the sliding plate 402 slides inwards the threaded cylinder 4023, the threaded cylinder 4023 rotates because the threaded rod 4022 is fixedly connected to the sliding plate 402 and cannot rotate, and the first stirring plate 4024 on the threaded cylinder 4023 rotates, the paint in the paint tank 4 is stirred to prevent the paint from settling, and the pressure pump 401 is always pumping air to the paint tank 4, so that the sliding plate 402 slides upwards to reset under the action of air pressure when the shift lever 5032 does not push the U-shaped bracket 4021 to slide downwards.

EXAMPLE III

Referring to fig. 11, substantially the same as the first embodiment, further, a cylindrical rod 4061 is rotatably connected in the paint tank 4, a fourth gear 406 and a second stirring plate 4062 are fixedly connected to the cylindrical rod 4061, a second rack 407 is fixedly connected to the bottom of the sliding plate 402, and the second rack 407 is engaged with the fourth gear 406.

When the protective cover 5 moves towards the paint tank 4, the toothed ring 503 moves synchronously, and at this time, the shift lever 5032 on the toothed ring 503 can contact the stopper 403, the shift lever 5032 intermittently presses the stopper 403 along with the reciprocating rotation of the toothed ring 503, and when the shift lever 5032 moves to the bottom of the stopper 403 and moves back, the stopper 403 is lifted, and then the stopper 403 returns to the original position under the action of the torsion spring 4033, and when the shift lever 5032 moves down from the upper portion of the stopper 403, the stopper 403 is pressed, and at this time, the stopper 403 cannot rotate under the action of the protrusion 4034, so that the U-shaped frame 4021 slides down, at this time, the sliding plate 402 fixedly connected to the U-shaped frame 4021 slides down synchronously, at this time, the second rack 407 on the sliding plate 402 drives the fourth gear 406 to rotate, so that the cylindrical rod 4061 rotates synchronously, the second stirring plate 4062 fixedly connected to the cylindrical rod 4061 rotates, so as to stir the paint in the paint tank 4, thereby preventing the paint from depositing, since the pressure pump 401 is always pumping air to the paint tank 4, the slide plate 402 slides upward and returns due to the air pressure when the shift lever 5032 does not push the U-shaped bracket 4021 to slide downward.

The working principle is as follows: when the paint spraying equipment with the anti-sputtering function for manufacturing the metal products is used, the position of the clamping blocks 201 can be adjusted by loosening the fixing pins 2012, a workpiece is placed between the two groups of clamping blocks 201, the clamping blocks 201 are pushed to clamp the workpiece, the fixing pins 2012 are tightened at the moment, so that the position of the clamping blocks 201 cannot be changed, the driving part drives the paint box 4 to approach the workpiece, the protective cover 5 is extruded to slide back by the continuous movement of the paint box 4 after the protective cover 5 contacts the workpiece, the switching mechanism switches the power to drive the workbench 2 to slide, the reciprocating slide of the workbench 2 enables paint sprayed by the spray rod 405 to uniformly cover the workpiece, and the protective cover 5 enables the paint not to sputter when sprayed;

after the motor 3 is started, the first gear 301 rotates, the first gear 301 drives the second gear 3022 engaged with the first gear to rotate, at this time, the second gear 3022 is engaged with the first rack 404, so that the rotating second gear 3022 drives the first rack 404 to slide, because the first rack 404 is fixedly connected to the paint tank 4, so that the paint tank 4 slides synchronously, at this time, the paint tank 4 gradually approaches to the workpiece, the protective cover 5 first contacts with the workpiece, at this time, the paint tank 4 continues to slide, so that the protective cover 5 does not continue to move after receiving resistance, at this time, the protective cover 5 slides relative to the spray rod 405, so that the first telescopic rod 501 rotates and contracts, the protective cover 5 continues to slide, when the first telescopic rod 501 deviates from a vertical state, the first telescopic rod 501 rotates and extends under the elastic force of the first spring 5011, at this time, the protective cover 5 is pushed to slide towards the direction of the paint tank 4, before sliding, the spraying end of the spraying rod 405 is positioned at the innermost part of the protective cover 5, after sliding, the spraying rod 405 slides outwards for a certain distance relative to the protective cover 5, but the spraying end does not leak out of the end surface of the protective cover 5, at the moment, the paint sprayed from the spraying rod 405 cannot splash through the blocking of the protective cover 5, when the protective cover 5 slides, the L-shaped frame 502 synchronously slides, at the moment, the push block 5021 on the L-shaped frame 502 pushes the rectangular rod 302 to swing for a certain angle, the rectangular rod 302 pushes the push rod 6 to slide towards the pressure sensitive switch 602 and press the pressure sensitive switch 602, at the moment, the pressure pump 401 works to pressurize the paint tank 4 to spray the paint, the push rod 6 always presses the rectangular rod 302 due to the elastic force of the second spring 6011 in the initial state, the rectangular rod 302 is prevented from swinging, so that the second gear 3022 is prevented from being disengaged with the first gear 301 and the first rack 404, and the rectangular rod 302 is fixedly connected on the mounting rack 3021, so that the mounting rack 3021 rotates when the rectangular rod 302 is pushed, the second gear 3022 on the mounting rack 3021 moves away from the first gear 301 and the first rack 404, the third gear 3023 moves close to the first gear 301 and meshes with the first gear 301, the worm wheel 3024 moves close to the worm 303 and meshes with the worm 303, the distance between the spray rod 405 and the workpiece is adjusted and the painting work is started, the paint box 4 stops sliding, the third gear 3023 is rotated by the first gear 301, the worm wheel 3024 coaxially and fixedly connected to the third gear 3023 rotates synchronously, so that the worm 303 rotates, the rotating shaft 3031 on the worm 303 rotates, so that the gear 3032 fixedly connected to the rotating shaft 3031 rotates, and the rectangular rack 202 slides back and forth due to the gear 3032 alternately meshing with the teeth on the upper side and the lower side of the rectangular rack 202, so that the worktable 2 fixedly connected to the rectangular rack 202 slides back and forth synchronously, at the moment, the workpiece on the workbench 2 slides back and forth, so that the paint sprayed by the spray rod 405 uniformly covers the workpiece;

the toothed plate 203 has a sufficient width, the toothed plate 203 can always mesh with the toothed ring 503 on the protective cover 5 when the protective cover 5 follows the movement of the paint tank 4 and slides back, thereby driving the toothed ring 503 to rotate reciprocally when the toothed plate 203 slides reciprocally along with the worktable 2, at this time the scraping rod 5031 on the toothed ring 503 moves synchronously, since the scraping rod 5031 is attached to the inner wall of the protection cover 5, so that the paint splashed on the inner wall of the protection cover 5 is scraped by the moving scraping rod 5031, the piston rod 701 fixedly connected to the toothed plate 203 moves synchronously when the toothed plate 203 slides back and forth, the piston rod 701 slides in the piston cylinder 7, so that the piston cylinder 7 sucks out the scraped paint in the protective cover 5 through the extraction pipe 702, the extraction pipe 702 is a soft pipeline, so that the paint drawn into the piston cylinder 7 is discharged through the discharge pipe 703 without affecting the movement of the shield 5, and is received at the discharge end of the discharge pipe 703;

when the protective cover 5 moves towards the paint box 4, the toothed ring 503 moves synchronously, the rod 5032 on the toothed ring 503 can contact the stop lever 403, the rod 5032 intermittently presses the stop lever 403 along with the reciprocating rotation of the toothed ring 503, when the rod 5032 moves to the bottom of the stop lever 403 and moves back, the stop lever 403 is lifted, the stop lever 403 returns to the original position under the action of the torsion spring 4033, the rod 5032 presses the stop lever 403 when moving downwards from the upper part of the stop lever 403, the stop lever 403 cannot rotate under the action of the projection 4034, so that the U-shaped frame 4021 slides downwards, the sliding plate 402 fixedly connected to the U-shaped frame 4021 slides downwards synchronously, the threaded rod 4022 on the sliding plate 402 slides inwards the threaded cylinder 4023, the threaded cylinder 4023 rotates because the threaded rod 4022 is fixedly connected to the sliding plate 402 and cannot rotate, and the first stirring plate 4024 on the threaded cylinder 4023 rotates, the paint in the paint tank 4 is stirred to prevent the paint from settling, and the pressure pump 401 is always pumping air to the paint tank 4, so that the sliding plate 402 slides upwards to reset under the action of air pressure when the shift lever 5032 does not push the U-shaped bracket 4021 to slide downwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.