CN217368952U

CN217368952U - Production line for workpiece surface spraying

Info

Publication number: CN217368952U
Application number: CN202122877137.3U
Authority: CN
Inventors: 吕帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-09-06
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a production line for workpiece surface spraying, by belt transport structure, the spraying room, the production line that is used for workpiece surface spraying that destatics device and drying device constitute, through set up the regulation pivot on belt transport structure, the peak of regulation pivot is higher than the minimum of transmission shaft, and conveyer is through the peak of regulation pivot, make conveyer locate to form a turning in regulation pivot after the transmission shaft, therefore, conveyer and two transmission shafts and the contact department line of regulation pivot form a triangle-shaped shape, when the direction removes about the regulation pivot, the high change of triangle-shaped shape promptly, make the length sum of two transmission shafts and regulation pivot line change, and then play the effect of adjusting the conveyer elasticity, and improve the adjustable range of conveyer.

Description

Production line for workpiece surface spraying

Technical Field

The utility model relates to a paint spraying field, in particular to a production line for workpiece surface spraying.

Background

In the current domestic automobile plastic workpieces, paints with different colors or different patterns are sprayed on the surfaces of the workpieces, or coatings with obvious colors are sprayed on the surfaces of the parts corresponding to the positions of commodity labels. In the paint spraying process, dust removal, spraying and drying processes are usually required, and in order to facilitate the transportation of workpieces in each process, a belt conveying structure is usually adopted to convey the workpieces.

The existing belt conveying structure mainly comprises a rack, two transmission rollers and a conveying belt, wherein the two transmission rollers are rotationally connected to the rack, the conveying belt is connected to the two transmission rollers, one transmission roller is connected with a driving motor in a transmission mode, the driving motor drives the transmission rollers to rotate to drive the conveying belt to work, the other transmission roller is connected with the rack through a belt tensioning mechanism, and the belt tensioning mechanism is used for adjusting the tensioning of the conveying belt.

However, the existing belt tensioning mechanisms achieve tensioning adjustment of the conveying belt by adjusting the distance between two transmission rollers, and for some belt conveying devices with baffles arranged at two ends of a frame, the gap distance between the baffle and the conveying belt needs to be ensured to prevent a workpiece from entering the gap, so that the adjustment distance is limited, that is, the tensioning of the conveying belt can be adjusted only in a small range.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a production line for workpiece surface spraying, which aims to solve the problem of small adjustment range of the tension degree of the conveyor belt of the production line for workpiece surface spraying of the prior belt conveying structure.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a production line for spraying the surface of a workpiece comprises a belt conveying structure, a static electricity removing device, a spraying room and a drying device, wherein the belt conveying structure comprises a rack, two transmission shafts rotationally connected to the rack, a conveying belt sleeved on the two transmission shafts and a driving mechanism in transmission connection with one of the transmission shafts, and the driving mechanism is fixed on the rack; the middle part of the conveying belt is provided with an adjusting rotating shaft arranged between the two transmission shafts, the adjusting rotating shaft is movably connected to the rack, and the outer surface of the adjusting rotating shaft is abutted to the conveying belt; the static removing device is arranged on the side face of the rack and at the front end of the conveying direction of the conveying belt, the drying device is arranged in the middle of the rack and above the conveying belt, a conveying channel for a workpiece to pass through is formed between the drying device and the conveying belt, and the spraying room is arranged on the side face of the rack and between the static removing device and the drying device.

The production line for workpiece surface spraying is characterized in that a trigger switch is arranged on one side, close to a spraying room, of the frame, the trigger switch is connected with a controller, a master switch is connected onto the controller, the static removing device, the drying device and the belt conveying structure are electrically connected with the controller, and after the controller receives a trigger signal of the trigger switch, the static removing device, the drying device and the belt conveying structure are controlled to stop through set delay time.

The production line for spraying the surface of the workpiece is characterized in that a display lamp is arranged at the trigger switch and electrically connected with the controller, and the display lamp is turned on after the trigger signal of the trigger switch is received by the controller.

The production line for workpiece surface spraying is characterized in that the adjusting rotating shaft comprises a fixed shaft rod and a rotating shaft sleeve sleeved on the fixed shaft rod, the outer surface of the rotating shaft sleeve is abutted to the conveying belt, two ends of the fixed shaft rod are in threaded connection with screw rods, two ends of the screw rods are in rotating connection with supporting seats, and the supporting seats are fixed on the rack.

In the production line for spraying the surface of the workpiece, the screw is transversely arranged, and the adjusting rotating shaft is close to one of the transmission shafts.

The production line for spraying the surface of the workpiece is characterized in that the number of the adjusting rotating shafts is two, and the two adjusting rotating shafts are respectively close to the two transmission shafts.

In the production line for spraying the surface of the workpiece, a supporting roll is arranged between the two adjusting rotating shafts, two ends of the supporting roll are rotatably connected to the rack, and the outer surface of the supporting roll is abutted against the conveying belt.

In the production line for spraying the surface of the workpiece, the spraying rooms respectively comprise a water pool, first side plates fixed on three sides of the water pool and a first top plate fixed on the top surfaces of the first side plates; the first side plate comprises a first left side plate and a first right side plate which are respectively fixed on the left side and the right side of the water pool, and a first rear side plate fixed on the back of the water pool, the left side and the right side of the first rear side plate are respectively connected with the first left side plate and the first right side plate in a sealing manner, a partition plate is arranged in front of the first rear side plate, the left side and the right side of the partition plate are respectively connected with the first left side plate and the first right side plate in a fixing manner, an exhaust channel is formed between the first rear side plate and the partition plate, the lower end of the partition plate and the water pool form an air inlet, a sawtooth notch is arranged at the lower end of the partition plate, a first water tank is arranged at the upper end of the partition plate, and one side of the first water tank close to the first rear side plate is connected with a first top plate in a sealing manner; the first top plate is provided with a first exhaust port communicated with the exhaust channel, and the first exhaust port is connected with an exhaust fan and an air purification unit through a pipeline;

a first opening is formed in the upper end of the first left side plate, a second water tank is arranged on the first opening, a second opening is formed in the upper end of the first right side plate, and a third water tank is arranged on the second opening;

a filter tank is arranged on the side surface of the water tank, one end of the filter tank is communicated with the bottom of the water tank, a circulating water pump is fixed at the other end of the filter tank, the water outlet end of the circulating water pump is connected with a circulating main water pipe, the circulating main water pipe is connected with a plurality of circulating water distribution pipes, the circulating water distribution pipes are respectively arranged corresponding to the first water tank, the second water tank and the third water tank, and at least one first filter screen is arranged in the filter tank; the workpiece placing table is placed in the water tank of the spraying room and in front of the partition plate, a paint pipeline is fixed on the front side of the water tank, one end of the paint pipeline is connected with a paint spray gun, and the other end of the paint pipeline is connected with a paint bucket.

In the production line for spraying the surface of the workpiece, the static removing device comprises a bottom cabinet arranged on the side face of the rack, the top face of the bottom cabinet is provided with a groove, liquid is filled in the groove, a grid plate covers the groove, a second side plate is fixed on the top face of the bottom cabinet and the side face of the groove, a second top plate is fixed on the top face of the second side plate, a second exhaust port is formed in the second top plate, and a second filter screen is laid on the second exhaust port; the static-removing ion fan is placed in the bottom cabinet and connected with a static-removing air gun through a hose, and the static-removing air gun is arranged outside the bottom cabinet.

In the production line for spraying the surface of the workpiece, the drying device comprises a shell fixed on a rack, an opening is formed between two ends of the shell and a belt conveying structure, a first exhaust port is formed in the middle of the shell, a plurality of heating pipes are arranged in the middle of the shell and on two sides of the first exhaust port, two adjacent heating pipes are taken as a group, a wind wheel is arranged between each group of heating pipes, the center of the wind wheel is connected with a coupler, one end of the coupler extends to the outer side of the shell, one end of the coupler on the outer side of the shell is connected with a motor, and the motor is fixed on the shell; still be equipped with test probe between every group heating pipe, test probe fixes on the shell, heating pipe, test probe and motor and controller electric connection.

Has the advantages that: in the production line for spraying the surface of the workpiece, which consists of a belt conveying structure, a spraying room, a static removing device and a drying device, an adjusting rotating shaft is arranged on the belt conveying structure, the highest point of the adjusting rotating shaft is higher than the lowest point of a transmission shaft, and the transmission belt passes through the highest point of the adjusting rotating shaft, so that the transmission belt forms a corner at the adjusting rotating shaft after passing through the transmission shaft, therefore, a connecting line of the contact positions of the transmission belt and two transmission shafts and the adjusting rotating shaft forms a triangular shape.

Drawings

Fig. 1 is a schematic structural view of a production line for spraying a surface of a workpiece in a plan view.

Fig. 2 is a perspective view of the belt conveying structure.

Fig. 3 is a front view of the belt conveying structure.

Fig. 4 is a schematic view when the adjustment rotary shaft and the press roller are adjusted, and the dotted line indicates the adjusted state.

Fig. 5 is a schematic view of a connection structure of the belt conveying structure and the drying device.

Fig. 6 is a schematic structural view of the drying apparatus.

Fig. 7 is a first structural schematic diagram of the spraying room.

Fig. 8 is a schematic structural view of a spraying room II.

Fig. 9 is a schematic structural view three of the spray booth.

Fig. 10 is a schematic structural view of a spray booth.

Fig. 11 is a front view of the spray booth.

Fig. 12 is a right side view of the spray booth.

FIG. 13 is a first schematic structural diagram of an electrostatic precipitator.

Fig. 14 is a structural schematic diagram of the electrostatic dust removal device, wherein the grid plate structure is removed.

Fig. 15 is a schematic structural diagram three of the electrostatic dust removal device.

Description of the main element symbols: 1-a belt conveying structure, 2-a trigger switch, 3-a controller, 4-a spraying room, 5-a static removing device, 6-a drying device and 7-a display lamp;

1.1-a conveying belt, 1.2-a transmission shaft, 1.3-a bearing seat, 1.4-a supporting seat, 1.5-an adjusting rotating shaft, 1.52-a fixed shaft rod, 1.51-a rotating shaft sleeve, 1.6-a screw rod, 1.7-a supporting roller, 1.8-a gasket, 1.9-a shaft seat, 1.10-a compression roller, 1.11-a bolt, 1.12-a frame and 1.13-a driving mechanism;

4.1-a water tank, 4.2-a first right side plate, 4.23-a second opening, 4.3-a first top plate, 4.31-a third exhaust port, 4.4-a circulating main water pipe, 4.5-a circulating branch water pipe, 4.6-a regulating valve, 4.7-a first rear side plate, 4.71-a service port, 4.8-a quick locking piece, 4.9-a service door, 4.10-a support rod, 4.11-a first baffle, 4.12-an exhaust channel, 4.13-a second baffle, 4.14-a baffle, 4.141-a sawtooth notch, 4.15-a first water tank, 4.16-a third water tank, 4.17-a second water tank, 4.18-a circulating water tank, 4.19-a filter tank, 4.20-a first left side plate, 4.201-a first opening, 4.21-a first filter screen, 4.22-a U-a 4.02-a workpiece placing table, 4.05-a paint pipeline, 4.03-paint spray gun, 4.04-paint bucket;

5.1-bottom cabinet, 5.11-support leg, 5.12-door leaf, 5.2-grid plate, 5.21-support leg, 5.3-static-removing ion fan, 5.4-second side plate, 5.41-second left side plate, 5.411-notch, 5.42-second back side plate, 5.43-second right side plate, 5.431-hook, 5.5-second top plate, 5.51-fourth exhaust port, 5.6-second filter screen, 5.7-hose, 5.8-static-removing air gun, 5.9-groove, 5.91-second exhaust port, 5.10-control valve and 5.101-lighting lamp;

6.21-baffle, 6.22-shell, 6.23-motor, 6.25-first exhaust port, 6.26-detecting probe, 6.27-wind wheel, 6.28-coupler, 6.29-heating tube, 6.210-first lamp shade, 6.211-screw hole, 6.212-hem.

Detailed Description

The utility model provides a production line for workpiece surface spraying, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting is the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1, a production line for spraying the surface of a workpiece includes a belt conveying structure 1, a static electricity removing device 5, a spraying room 4 and a drying device 6. After the workpiece is subjected to dust removal and static electricity removal at the static electricity removal device 5, the workpiece is placed on the belt conveying structure 1, the belt conveying structure 1 conveys the workpiece to the spraying room 4 for manual spraying, the workpiece after paint spraying is placed back on the belt conveying structure 1, and the belt conveying structure 1 conveys the workpiece to the drying device 6 for drying.

Referring to fig. 2-5, specifically, the belt conveying structure 1 includes a frame 1.12, two transmission shafts 1.2 rotatably connected to the frame 1.12, a conveying belt 1.1 sleeved on the two transmission shafts 1.2, and a driving mechanism 1.13 in transmission connection with one of the transmission shafts 1.2, and the driving mechanism 1.13 is fixed on the frame 1.12; the middle part of conveyer 1.1 is equipped with the regulation pivot 1.5 of arranging between two transmission shafts 1.2, and regulation pivot 1.5 is movably connected on frame 1.12, and the surface of adjusting pivot 1.5 and conveyer 1.1 butt.

Wherein, the highest point of the adjusting rotating shaft 1.5 is higher than the lowest point of the transmission shaft 1.2, and the conveying belt 1.1 passes through the highest point of the adjusting rotating shaft 1.5. Because the highest point of the adjusting rotating shaft 1.5 is higher than the lowest point of the transmission shaft 1.2, the transmission belt 1.1 forms a corner at the adjusting rotating shaft 1.5 after passing through the transmission shaft 1.2, therefore, a connecting line of the transmission belt 1.1 and the contact positions of the two transmission shafts 1.2 and the adjusting rotating shaft 1.5 forms a triangular shape, when the adjusting rotating shaft 1.5 moves up and down, namely the height of the triangular shape changes, the sum of the lengths of the connecting lines of the two transmission shafts 1.2 and the adjusting rotating shaft 1.5 changes, and the effect of adjusting the tightness of the transmission belt 1.1 is achieved.

Specifically, the static electricity removing device 5 is arranged on the side face of the rack 1.12 and at the front end of the conveying direction of the conveying belt 1.1, the drying device 6 is arranged in the middle of the rack 1.12 and above the conveying belt 1.1, a conveying channel for workpieces to pass through is formed between the drying device 6 and the conveying belt 1.1, and the spraying room 4 is arranged on the side face of the rack 1.12 and between the static electricity removing device 5 and the drying device 6.

Referring to fig. 1, in a preferred embodiment, a trigger switch 2 is arranged on one side of a machine frame 1.12 close to a spraying room 4, the trigger switch 2 is connected with a controller 3, a main switch is connected to the controller 3, the main switch is used for controlling the power on/off of the whole production line, the main switch is installed at a position where the operation of the production line is not affected, a static removing device 5, a drying device 6 and a belt conveying structure 1 are electrically connected with the controller 3, and after receiving a trigger signal of the trigger switch 2, the controller 3 controls the static removing device 5, the drying device 6 and the belt conveying structure 1 to stop through a set delay time. After finishing the manual spraying of the last workpiece, the worker can touch the trigger switch 2, and after receiving the signal of the trigger switch 2, the controller 3 controls the static removing device 5, the drying device 6 and the belt conveying structure 1 to stop through setting a delay time, wherein during the delay time, the belt conveying structure 1 has enough time to convey the last workpiece to the position where the workpiece is taken away from the tail end.

In the embodiment, the existing production line needs to be stopped when workers rest, workpiece spraying at the position of the spraying room 4 is the last process of manual operation, and the drying device 6 does not need to be observed all the time, so that after the last workpiece is sprayed with paint, the trigger switch 2 is triggered, workers can pick up the position of the spraying room 4 and the like, then the workpieces can be automatically conveyed to the position where the workpieces are taken away by the belt conveying structure 1 when the workers leave the work, and the position can be used for setting a robot to take the workpieces.

In the above embodiment, trigger switch 2 department is equipped with display lamp 7, display lamp 7 and controller 3 electric connection, and after controller 3 received trigger switch 2's trigger signal, display lamp 7 lighted, and this display lamp 7 is used for reminding the staff whether trigger switch 2 has triggered the signal of time delay shut down.

Referring to fig. 2-5, the adjusting shaft 1.5 includes a fixed shaft rod 1.52 and a rotating shaft sleeve 1.51 sleeved on the fixed shaft rod 1.52, the outer surface of the rotating shaft sleeve 1.51 is abutted to the conveying belt 1.1, two ends of the fixed shaft rod 1.52 are in threaded connection with a screw rod 1.6, two ends of the screw rod 1.6 are rotatably connected with a supporting seat 1.4, and the supporting seat 1.4 is fixed on the frame. Wherein, screw rod 1.6 and fixed axostylus axostyle 1.52 threaded connection, screw rod 1.6 rotate with supporting seat 1.4 and are connected, consequently form the lead screw structure, through rotating screw rod 1.6, realize adjusting the position of adjusting pivot 1.5, reach the effect of adjusting conveyer 1.1 elasticity.

In a further preferred embodiment, the screw 1.6 is arranged transversely, and the adjusting rotating shaft 1.5 is close to one of the transmission shafts 1.2. Because the connecting line of the contact positions of the conveying belt 1.1, the two transmission shafts 1.2 and the adjusting rotating shaft 1.5 forms a triangular shape, when the adjusting rotating shaft 1.5 moves transversely, the included angle of the triangular shape is changed, and the distance between the two transmission shafts 1.2 is fixed, the effect of adjusting the tightness of the conveying belt 1.1 is achieved.

In a preferred embodiment, the number of the adjusting rotating shafts 1.5 is two, and the two adjusting rotating shafts 1.5 are respectively arranged near the two transmission shafts 1.2. Therefore, the conveying belt 1.1 forms an approximate quadrilateral structure between the two transmission shafts 1.2 and the two adjusting rotating shafts 1.5, and the side length of the quadrilateral structure is changed by adjusting the positions of the two adjusting rotating shafts 1.5, so that the effect of adjusting the tightness of the conveying belt 1.1 is achieved.

In the above, since the conveying belt 1.1 bypasses the highest point of the adjusting rotating shaft 1.5, the adjusting rotating shaft 1.5 also plays a supporting role for the conveying belt 1.1.

In a preferred embodiment, when the distance between the two transmission shafts 1.2 is relatively large, i.e. the length of the belt conveyor is relatively long, therefore, a supporting roller 1.7 can be arranged between the two adjusting shafts 1.5, two ends of the supporting roller 1.7 are rotatably connected to the frame 1.12, and the highest point of the supporting roller 1.7 is higher than or equal to the highest point of the adjusting shaft 1.5, so that the supporting roller 1.7 can support the middle of the conveying belt 1.1.

In a preferred embodiment, the number of the support rollers 1.7 is more than two, a press roller 1.10 is arranged between two adjacent support rollers 1.7, two ends of the press roller 1.10 are rotatably connected with shaft seats 1.9, and the shaft seats 1.9 are fixed on a rack 1.12 through bolts 1.11; preferably, the bolt 1.11 is sleeved with a gasket 1.8, and the gasket 1.8 is arranged between the shaft seat 1.9 and the rack 1.12. In practical application, the nuts on the adjusting bolts 1.11 are used for adjusting the height position of the adjusting shaft seat 1.9, namely, the adjusting of the compression roller 1.10 in the vertical position is realized, so that a plurality of triangular shapes for adjusting the tightness of the conveying belt 1.1 can be formed, and the adjustable tightness amplitude of the conveying belt 1.1 is increased. Preferably, the gasket 1.8 is a U-shaped gasket 1.8, so that after the nut on the bolt 1.11 is adjusted, the number of the gaskets 1.8 can be increased/decreased properly, or the gaskets 1.8 with different thicknesses can be replaced, so that the shaft seat 1.9 and the frame 1.12 are still fixedly connected.

In practical applications, the number of the supporting rollers 1.7 and the pressing rollers 1.10 can be set appropriately according to requirements.

Specifically, two ends of the transmission shaft 1.2 are connected with the frame 1.12 through a bearing seat 1.3. Preferably, the frame 1.12 is provided with a long strip-shaped through hole, the bearing seat 1.3 penetrates the long strip-shaped through hole through a screw to be connected with the frame 1.12, the bearing seat 1.3 is abutted with a transverse screw rod on one side close to the adjusting rotating shaft 1.5, the middle part of the screw rod is in threaded connection with a screw rod nut, and the screw rod nut is fixed on the frame 1.12. Therefore, the tightness of the conveying belt 1.1 can be adjusted through the relative position between the bearing seat 1.3 and the elongated through hole, namely, the tightness of the conveying belt 1.1 is adjusted by adjusting the distance between the two transmission shafts 1.2.

Due to the arrangement of the screw rod and the screw rod nut, after the screw of the fixed bearing seat 1.3 is unscrewed, the bearing seat 1.3 can be pushed to move by rotating the screw rod, and the position adjustment of the bearing seat 1.3 is realized.

Referring to fig. 7-12, the painting booth 4 includes a pool 4.1 installed at a side of the belt conveying structure 1, a first side plate 4.01 fixed to three sides of the pool 4.1, and a first top plate 4.3 fixed to a top surface of the first side plate 4.01; first curb plate 4.01 is including fixing first left side board 4.20 and first right side board 4.2, the first posterior lateral plate 4.7 at the pond 4.1 back at the pond 4.1 left and right sides respectively, the left and right sides of first posterior lateral plate 4.7 respectively with first left side board 4.20 and first right side board 4.2 sealing connection. Wherein, pond 4.1, first curb plate and first roof 4.3 enclose into the space that only openly communicates with the external world, and when using, the workman gets the work piece from the front of spraying room 4 to paint the spraying to the work piece.

A partition plate 4.14 is arranged in front of the first rear side plate 4.7, the left side and the right side of the partition plate 4.14 are fixedly connected with the first left side plate 4.20 and the first right side plate 4.2 respectively, so that an exhaust channel 4.12 is formed between the first rear side plate 4.7 and the partition plate 4.14, the lower end of the partition plate 4.14 and the water pool 4.1 form an air inlet, a third exhaust port 4.31 communicated with the exhaust channel 4.12 is arranged on the first top plate 4.3, and the third exhaust port 4.31 is connected with an exhaust fan and an air purification unit through a pipeline. When the spraying device is used, the exhaust fan is started, so that the air in the spraying room 4 enters the exhaust channel 4.12 from the air inlet under the action of the exhaust fan, and then flows to the air purification unit from the third exhaust port 4.31 for air purification. Wherein, the air purification unit can be an active carbon filter screen, an electrostatic purification unit and the like.

Specifically, a first water tank 4.15 is arranged at the upper end of the partition plate 4.14, and one side of the first water tank 4.15 close to the first rear side plate 4.7 is hermetically connected with the first top plate 4.3; a first opening 4.201 is formed in the upper end of the first left side plate 4.20, a second water tank 4.17 is arranged on the first opening 4.201, a second opening 4.23 is formed in the upper end of the first right side plate 4.2, and a third water tank 4.16 is arranged on the second opening 4.23; the water tank is characterized in that a filter tank 4.19 is arranged on the side face of the water tank 4.1, one end of the filter tank 4.19 is communicated with the bottom of the water tank 4.1, a circulating water pump 4.18 is fixed at the other end of the filter tank 4.19, a water outlet end of the circulating water pump 4.18 is connected with a circulating main water pipe 4.4, the circulating main water pipe 4.4 is connected with a plurality of circulating water distribution pipes 4.5, the circulating water distribution pipes 4.5 are respectively arranged corresponding to the first water tank 4.15, the second water tank 4.17 and the third water tank 4.16, and at least one first filter screen 4.21 is arranged in the filter tank 4.19.

Before use, a proper amount of water is added into the water tank 4.1, the water tank 4.1 is communicated with the filter tank 4.19, so that under the action of the circulating water pump 4.18, the water in the filter tank 4.19 enters the first water tank 4.15, the second water tank 4.17 and the third water tank 4.16 through the circulating main water pipe 4.4 and the circulating water distribution pipe 4.5, overflows from the first water tank 4.15, the second water tank 4.17 and the third water tank 4.16 and flows down along the partition plate 4.14, the first left side plate 4.20 and the first right side plate 4.2 respectively, and a water curtain is formed on the partition plate 4.14, the first left side plate 4.20 and the first right side plate 4.2. When the paint is sprayed, the paint has impact force, and the redundant paint floats to the partition plate 4.14, the first left side plate 4.20 and the first right side plate 4.2 and is brought into the filter tank 4.19 to be filtered under the action of the water curtain. And the paint mixed in the air enters the air purification unit for purification through the exhaust channel 4.12 under the action of the fan.

In practical application, a paint remover, such as paint remover AB, is added into water, so that paint mixed in the water is solidified and floats on the water surface, and is convenient to remove. And at least one first filter screen 4.21 is arranged in the filter tank 4.19, so that the paint is filtered at one end of the filter tank 4.19, which is far away from the circulating water pump 4.18, and the water circulating from the circulating main water pipe 4.4 and the circulating water division pipe 4.5 is clean.

Referring to fig. 8 and 9, the lower end of the partition plate 4.14 is higher than the water level in the water pool 4.1, the lower end of the partition plate 4.14 is provided with saw-tooth notches 4.141, when water overflowing from the first water tank 4.15 flows to the positions of the saw-tooth notches 4.141 along the partition plate 4.14, the water flows down along the edges of the saw-tooth notches 4.141, so that a small channel is formed right below the saw-tooth notches 4.141, air can pass through the small channel, and the amount of water brought into the air exhaust channel 4.12 by the air flow is reduced. The water which is not at the position of the sawtooth gap 4.141 normally forms a water curtain to flow down, when the air passes through the position, the paint in the air is contacted with the water and mixed in the water, and part of the air passes through the water curtain or the small channel and then enters the air exhaust channel 4.12. Thus allowing a reduced amount of paint to enter the air purification unit, resulting in an extended time to clean or replace the air purification unit.

Furthermore, when water is guided to the non-serrated notch 4.141 from the edge of the serrated notch 4.141, the water flowing down from the non-serrated notch 4.141 collides, so that part of the water forms small water drops to be dispersed in the air, and the small water drops and the paint in the air are gathered under the self viscosity action to form large water drops to drop into the water pool 4.1, thereby further reducing the amount of the paint entering the air purification unit and further prolonging the time for cleaning or replacing the air purification unit.

In the aforesaid, pond 4.1 is established at pond 4.1 near first posterior lateral plate 4.7 one end with filter-tank 4.19 one end, and the air intake also sets up in this end simultaneously, consequently, the flow direction of the water in pond 4.1, gaseous flow direction all are the one side of backward side for take the gas of paint can not openly float out the spraying room 4 outside from spraying room 4, guaranteed the clean of workshop, avoid influencing staff's health.

In a preferred embodiment, a plurality of first baffles 4.11 are fixed to the first rear side plate 4.7 on the side close to the partition plate 4.14, a plurality of second baffles 4.13 are fixed to the partition plate 4.14 on the side close to the first rear side plate 4.7, and the first baffles 4.11 and the second baffles 4.13 are arranged in a staggered manner and partially overlap in the top view projection direction. Therefore, when the air passes through the air exhaust channel 4.12, the air can impact on the first baffle 4.11 and the second baffle 4.13 for multiple times, so that water drops and paint in the air are contacted with each other and are gathered under the action of the viscosity of the air drops and form large water drops to drop into the water pool 4.1, and the time for cleaning or replacing the air purification unit is prolonged. Preferably, the end of the first baffle 4.11 far away from the first rear side plate 4.7 is inclined downwards, and the end of the second baffle 4.13 far away from the baffle 4.14 is inclined downwards, so that the impact effect of the gas with the first baffle 4.11 and the second baffle 4.13 is improved.

Further, when the size of the spraying room 4 is large, a supporting rod 4.10 is fixed between the first baffle 4.11 and the second baffle 4.13, one end of the supporting rod 4.10 is connected with one end, far away from the first rear side plate 4.7, of the first baffle 4.11, and the other end of the supporting rod 4.10 is connected with one end, far away from the partition plate 4.14, of the second baffle 4.13. The first baffle plate 4.11 is fixed on the first rear side plate 4.7, the second baffle plate 4.13 is fixed on the partition plate 4.14, and the first baffle plate 4.11 and the second baffle plate 4.13 are connected through the supporting rod 4.10, so that the first baffle plate 4.11, the second baffle plate 4.13 and the supporting rod 4.10 form a structure for mutually supporting the first rear side plate 4.7 and the partition plate 4.14, and the firmness degree of the first rear side plate 4.7 and the partition plate 4.14 is improved.

In a preferred embodiment, the first rear side plate 4.7 is provided with an access opening 4.71, an access door 4.9 is installed in the access opening 4.71, and a quick locking piece 4.8 for fixing the access door 4.9 is arranged on the side surface of the access opening 4.71. The arrangement of the access opening 4.71 enables the access door 4.9 to be opened when more paint is stained on the first baffle 4.11 and the second baffle 4.13, and further enables the surfaces of the first baffle 4.11 and the second baffle 4.13 to be cleaned. Wherein, adopt quick latch fitting 4.8 to fix access door 4.9 for access door 4.9 is more convenient when the dismouting, and quick latch fitting 4.8 can be for quick binding clasp or hasp.

The first water tank 4.15 is fixed on the back of the partition plate 4.14, the second water tank 4.17 is fixed on the outer side of the first left side plate 4.20, and the third water tank 4.16 is fixed on the outer side of the first right side plate 4.2; the side of the first water tank 4.15 connected with the partition plate 4.14, the side of the second water tank 4.17 connected with the first left side plate 4.20, and the side of the third water tank 4.16 connected with the first right side plate 4.2 are all the lowest sides of the corresponding water tanks, so that water in the water tanks overflows from the side after entering the water tanks, a water curtain is formed, and the water curtain is attached to the wall surfaces of the partition plate 4.14, the left side and the first right side plate 4.2.

In a preferred embodiment, the first water tank 4.15, the second water tank 4.17 and the third water tank 4.16 are provided with bent edges in a hook shape 5.431 at one side thereof, the bent edge of the first water tank 4.15 is buckled at the top of the partition plate 4.14, the bent edge of the second water tank 4.17 is buckled at the bottom of the first opening 4.201, and the bent edge of the third water tank 4.16 is buckled at the bottom of the second opening 4.23. When the water tank is installed, the bent edge of the water tank is hooked at the corresponding position, and then the positions where water leakage can occur are welded and sealed. Because the bent edge is in the shape of a hook, a section of bent edge is wrapped at the length of the mounting position, welding is not needed at the bent edge, and water leakage does not occur, so that the length of a welding seam during welding is reduced, the workload is reduced, and the mounting is more convenient. And the bending edge of the bending edge water tank is hooked at the corresponding position, so that the firmness degree of the water tank is not influenced even if the length of a welding seam during welding is reduced.

In the above, the regulating valve 4.6 is connected in series to the circulating water distribution pipe 4.5, and the amount of water entering the corresponding water tank in unit time can be regulated by the control of the regulating valve 4.6, so that the formed water curtain is uniform and can flow down along the wall surface.

In a preferred embodiment, a U-shaped groove 4.22 is fixed on the inner wall of the filter tank 4.19, and the first filter screen 4.21 is inserted in the U-shaped groove 4.22, so that the first filter screen 4.21 is convenient to disassemble and assemble. In practical application, the bottom surface of the filter tank 4.19 is provided with a first drainage port, when the spraying room 4 needs to be cleaned, the first filter screen 4.21 is drawn out, and water is discharged from the first drainage port, so that impurities in the filter tank 4.19 can also be discharged from the first drainage port; and the first filter screen 4.21 is arranged in the filter tank 4.19 through the U-shaped groove 4.22, and when the first filter screen 4.21 needs to be replaced or cleaned, the first filter screen 4.21 is directly drawn out from the filter tank 4.19.

The workpiece placing table 4.02 is placed in the water tank 4.1 of the spraying room 4 and in front of the partition plate 4.14, a paint pipeline 4.05 is fixed on the front side of the water tank 4.1, one end of the paint pipeline 4.05 is connected with a paint spray gun 4.03, and the other end of the paint pipeline is connected with a paint bucket 4.04. The paint bucket 4.04 can be installed according to the site location, for example, the paint bucket 4.1 is installed on the outer side surface of the water tank 4.1, the first top plate 4.3 is installed above the water tank, the paint spray gun 4.03 is connected with the paint bucket 4.04, when the paint spray gun is used, the workpiece is placed on the workpiece placing table 4.02, and then the paint spray gun 4.03 is used for spraying paint on the surface of the workpiece, so that the painting of the workpiece is completed. When spraying paint, unnecessary paint falls in water or scatters in gas, and the flow direction of the water in the pond 4.1, the flow direction of gas all are one side of side backward for take the gas of paint can not follow spraying room 4 and openly drift out the spraying room 4 outside, guaranteed the clean of workshop, avoid influencing staff's health.

Referring to fig. 13-15, the electrostatic dust removal device 5 includes a bottom cabinet 5.1 installed on the side of the belt conveying structure 1, a groove 5.9 is provided on the top surface of the bottom cabinet 5.1, liquid is filled in the groove 5.9, a grid plate 5.2 is covered on the groove 5.9, a second side plate 5.4 is fixed on the top surface of the bottom cabinet 5.1 and on the side of the groove 5.9, a second top plate 5.5 is fixed on the top surface of the second side plate 5.4, a fourth exhaust port 5.51 is provided on the second top plate 5.5, and a second filter screen 5.6 is laid on the fourth exhaust port 5.51; the static-removing ion fan 5.3 is arranged in the bottom cabinet 5.1, the static-removing ion fan 5.3 is connected with a static-removing air gun 5.8 through a hose 5.7, and the static-removing air gun 5.8 is arranged outside the bottom cabinet 5.1.

In the above, the second side plate 5.4, the bottom cabinet 5.1 and the second top plate 5.5 enclose a semi-closed space, when in use, a workpiece is placed on the grid plate 5.2, then the static electricity removing air gun 5.8 is used for blowing air against the surface of the workpiece, so that dust on the surface of the workpiece is blown away by air flow, and static electricity on the workpiece is neutralized by electrons in the air flow, thereby realizing static electricity removal and dust removal of the workpiece. Wherein, the dust can get into in the recess 5.9 through grid plate 5.2 after being blown away from the work piece surface, and then with the liquid contact in the recess 5.9 for the dust is adsorbed in liquid in the effect of the viscosity of liquid, and gaseous then can continue to move according to the flow direction, has avoided causing the dust to fly upward and lead to the work piece to cause the secondary to dye dirt when taking away.

Wherein, this electrostatic precipitator device installs the back on the production line, can connect the blast pipe to it usually, make gaseous centralized processing, reach emission standard, kept the clean of workshop simultaneously, consequently, be equipped with fourth gas vent 5.51 on second roof 5.5, fourth gas vent 5.51 upper berth is equipped with second filter screen 5.6, the blast pipe is connected on fourth gas vent 5.51, and connect the exhaust fan on the blast pipe, make fourth gas vent 5.51 department form the negative pressure, in inhaling the blast pipe with gas, carry out emission after the purification treatment. Meanwhile, when the gas passes through the second filter screen 5.6 on the fourth exhaust port 5.51, the gas can be primarily purified, and large pieces of objects enter the exhaust pipe.

In a preferred embodiment, the second side panel 5.4 is three, the three second side panels 5.4 are a second left side panel 5.41, a second back side panel 5.42 and a second right side panel 5.43, the second left side panel 5.41, the second back side panel 5.42 and the second right side panel 5.43 are fixed on the left side, the back side and the right side of the groove 5.9, the second left side panel 5.41 is provided with a notch 5.411, and the notch 5.411 is provided on a side of the second left side panel 5.41 away from the second back side panel 5.42. In a semi-automatic production line, the belt conveying structure 1 is generally required to be installed for conveying workpieces to the next station, so that when the belt conveying structure 1 is arranged on the left side of the electrostatic dust removal device, the notch 5.411 is formed in the second left side plate 5.41, a worker can conveniently place the workpieces subjected to dust removal and static removal on the belt conveying structure 1, and the workpieces are prevented from colliding with the second side plate 5.4 in the workpiece transfer process. When the belt conveying structure 1 is disposed at the right side of the electrostatic precipitator, the notch 5.411 may be correspondingly disposed on the second right side plate 5.43.

In a preferred embodiment, a hook 5.431 is fixed to the inner side wall of the second right side plate 5.43, the hook 5.431 is arranged on one side, away from the second rear side plate 5.42, of the second right side plate 5.43, and the hook 5.431 is used for placing the static-removing air gun 5.8 when the static-removing air gun is not used and is convenient to take when the static-removing air gun is used.

In a preferred embodiment, the four corners of the grid plate 5.2 are provided with supporting feet 5.21, and the supporting feet 5.21 abut against the inner bottom surface of the groove 5.9.

Specifically, the bottom surface of the groove 5.9 is provided with a second water outlet 5.91, the second water outlet 5.91 is provided with a control valve 5.10, and the control valve 5.10 controls the on-off of the second water outlet 5.91, that is, when the control valve 5.10 is opened, the liquid in the groove 5.9 can be discharged from the second water outlet 5.91.

And an illuminating lamp 5.101 is fixed on the second top plate 5.5 and used for illuminating the position where the workpiece is placed during work. Wherein the lamp holder can be fixed on the second top plate 5.5 by screws, and then the illuminating lamp 5.101 is fixed on the lamp holder.

The bottom surface of the bottom cabinet 5.1 is fixed with the support legs 5.11, preferably, the support legs 5.11 can adopt a support structure with a height adjusting function, so that the height of the support legs 5.11 can be adjusted, and the installation of the electrostatic dust collection device on the bottom surface which is not very flat is adapted.

A door leaf 5.12 is connected to one side face of the bottom cabinet 5.1 through a hinge, the door leaf 5.12 can be opened, then the internally mounted static-removing ion fan 5.3 can be overhauled, and in normal use, the door leaf 5.12 is in a closed state.

Referring to fig. 5 and 6, the drying device 6 includes a housing 6.22 fixed to the frame 1.12 of the belt conveying structure 1, and openings are formed between both ends of the housing 6.22 and the belt conveying structure 1. Specifically, the housing 6.22 is shaped like "Jiong" and extends along the conveying direction of the belt conveying structure 1, the bottom surfaces of the two sides of the housing 6.22 are fixed at the middle part of the frame 1.12.3, and a workpiece conveying channel is formed between the inside of the housing 6.22 and the belt conveying structure 1, so that the workpiece passes through the workpiece conveying channel under the action of the belt conveying structure 1.

Specifically, a first exhaust port 6.25 is formed in the middle of the shell 6.22, the first exhaust port 6.25 is connected with an exhaust pipeline in a production workshop, a plurality of heating pipes 6.29 are arranged in the middle of the shell 6.22 and on two sides of the first exhaust port 6.25, two adjacent heating pipes 6.29 form a group, a wind wheel 6.27 is arranged between each group of heating pipes 6.29, the center of the wind wheel 6.27 is connected with a coupler 6.28, one end of the coupler 6.28 extends to the outer side of the shell 6.22, one end of the coupler 6.28 on the outer side of the shell 6.22 is connected with a motor 6.23, and the motor 6.23 is fixed on the shell 6.22; and a detection probe 6.26 is also arranged between each group of heating pipes 6.29, the detection probe 6.26 is fixed on the shell 6.22, and the heating pipes 6.29, the detection probe 6.26 and the motor 6.23 are connected with the controller 3. The detection probe 6.26 can be a temperature detection probe 6.26, and can also be a detection probe 6.26 with other functions.

In the foregoing, heating pipe 6.29 is longitudinally arranged, that is, the length direction of heating pipe 6.29 corresponds to the width direction of belt conveying structure 1, wind wheel 6.27 is arranged at the center between two heating pipes 6.29 of each group, and wind wheel 6.27 is rotationally connected with housing 6.22 through coupling 6.28, and the other end of coupling 6.28 is fixedly connected with motor 6.23, so that motor 6.23 can drive wind wheel 6.27 to rotate, so that the heat generated by heating pipe 6.29 is dispersed everywhere in the workpiece transmission channel under the drive of wind wheel 6.27, and the temperatures at all places in the workpiece transmission channel are substantially equal, i.e., the heat at all places in the workpiece transmission channel is more uniform. Wherein, the detecting probe 6.26 is arranged between the two heating pipes 6.29 in the same group and is arranged at one side of the wind wheel 6.27. The motor 6.23 for driving the wind wheel 6.27 to rotate is fixed on the outer side of the shell 6.22, so that the heat generated by the heating pipe 6.29 can not heat the motor 6.23 to affect the service life of the motor.

The utility model discloses in, by belt transport structure, the spraying room, the production line that is used for workpiece surface spraying that destaticizing device and drying device constitute, through set up the regulation pivot on belt transport structure, the highest point of regulation pivot is higher than the minimum of transmission shaft, and conveyer is through the peak of regulation pivot, make conveyer locate to form a turning at the regulation pivot after the transmission shaft, therefore, conveyer and two transmission shafts and the contact point line of regulation pivot form a triangle-shaped shape, when direction removal about the regulation pivot, the altitude variation of triangle-shaped shape promptly, make the length sum of two transmission shafts and regulation pivot line change, and then play the elasticity effect of adjusting conveyer, and improve the adjustable range of conveyer.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A production line for spraying the surface of a workpiece comprises a belt conveying structure, a static electricity removing device, a spraying room and a drying device, and is characterized in that the belt conveying structure comprises a rack, two transmission shafts rotationally connected to the rack, a conveying belt sleeved on the two transmission shafts, and a driving mechanism in transmission connection with one of the transmission shafts, wherein the driving mechanism is fixed on the rack; the middle part of the conveying belt is provided with an adjusting rotating shaft arranged between the two transmission shafts, the adjusting rotating shaft is movably connected to the rack, and the outer surface of the adjusting rotating shaft is abutted to the conveying belt; the adjusting rotating shaft comprises a fixed shaft rod and a rotating shaft sleeve sleeved on the fixed shaft rod, the outer surface of the rotating shaft sleeve is abutted to the conveying belt, two ends of the fixed shaft rod are in threaded connection with screw rods, two ends of each screw rod are in rotating connection with supporting seats, and the supporting seats are fixed on the rack; the screw is transversely arranged, and the adjusting rotating shaft is close to one of the transmission shafts; the number of the adjusting rotating shafts is two, and the two adjusting rotating shafts are respectively arranged close to the two transmission shafts; a supporting roller is arranged between the two adjusting rotating shafts, two ends of the supporting roller are rotatably connected to the rack, and the outer surface of the supporting roller is abutted to the conveying belt;

the static removing device is arranged on the side face of the rack and at the front end of the conveying direction of the conveying belt, the drying device is arranged in the middle of the rack and above the conveying belt, a conveying channel for a workpiece to pass through is formed between the drying device and the conveying belt, and the spraying room is arranged on the side face of the rack and between the static removing device and the drying device.

2. The production line for workpiece surface spraying according to claim 1, wherein the machine frame is provided with a trigger switch at one side close to the spraying room, the trigger switch is connected with a controller, the controller is connected with a main switch, the static electricity removing device, the drying device and the belt conveying structure are electrically connected with the controller, and the controller controls the static electricity removing device, the drying device and the belt conveying structure to stop after receiving a trigger signal of the trigger switch through set delay time.

3. The production line for workpiece surface spraying according to claim 2, wherein a display lamp is arranged at the trigger switch and electrically connected with the controller, and the display lamp is turned on after the controller receives a trigger signal of the trigger switch.

4. The production line for workpiece surface spraying according to claim 1, wherein the spraying rooms each comprise a water pool, a first side plate fixed on three sides of the water pool, and a first top plate fixed on the top surface of the first side plate; the first side plate comprises a first left side plate and a first right side plate which are respectively fixed on the left side and the right side of the water pool, and a first rear side plate fixed on the back of the water pool, the left side and the right side of the first rear side plate are respectively connected with the first left side plate and the first right side plate in a sealing manner, a partition plate is arranged in front of the first rear side plate, the left side and the right side of the partition plate are respectively connected with the first left side plate and the first right side plate in a fixing manner, an exhaust channel is formed between the first rear side plate and the partition plate, the lower end of the partition plate and the water pool form an air inlet, a sawtooth notch is arranged at the lower end of the partition plate, a first water tank is arranged at the upper end of the partition plate, and one side of the first water tank close to the first rear side plate is connected with a first top plate in a sealing manner; the first top plate is provided with a first exhaust port communicated with the exhaust channel, and the first exhaust port is connected with an exhaust fan and an air purification unit through a pipeline;

a filter tank is arranged on the side face of the water tank, one end of the filter tank is communicated with the bottom of the water tank, a circulating water pump is fixed at the other end of the filter tank, a water outlet end of the circulating water pump is connected with a circulating main water pipe, the circulating main water pipe is connected with a plurality of circulating water distribution pipes, the circulating water distribution pipes are arranged corresponding to the first water tank, the second water tank and the third water tank respectively, and at least one first filter screen is arranged in the filter tank; the workpiece placing table is placed in the water tank of the spraying room and in front of the partition plate, a paint pipeline is fixed on the front side of the water tank, one end of the paint pipeline is connected with a paint spray gun, and the other end of the paint pipeline is connected with a paint bucket.

5. The production line for spraying the surfaces of the workpieces as claimed in claim 1, wherein the static electricity removing device comprises a bottom cabinet arranged on the side face of the rack, a groove is formed in the top face of the bottom cabinet, liquid is filled in the groove, a grid plate covers the groove, a second side plate is fixed to the top face of the bottom cabinet and the side face of the groove, a second top plate is fixed to the top face of the second side plate, a second air outlet is formed in the second top plate, and a second filter screen is paved on the second air outlet; the static-removing ion fan is placed in the bottom cabinet and connected with a static-removing air gun through a hose, and the static-removing air gun is arranged outside the bottom cabinet.

6. The production line for workpiece surface spraying according to claim 1, wherein the drying device comprises a shell fixed on the frame, an opening is formed between two ends of the shell and the belt conveying structure, a first exhaust port is arranged in the middle of the shell, a plurality of heating pipes are arranged in the middle of the shell and on two sides of the first exhaust port, two adjacent heating pipes are combined into a group, a wind wheel is arranged between each group of heating pipes, the center of the wind wheel is connected with a coupler, one end of the coupler extends to the outer side of the shell, one end of the coupler on the outer side of the shell is connected with a motor, and the motor is fixed on the shell; still be equipped with test probe between every group heating pipe, test probe fixes on the shell, heating pipe, test probe and motor and controller electric connection.