CN109731714B - Protection film spraying device - Google Patents
Protection film spraying device Download PDFInfo
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- CN109731714B CN109731714B CN201910153874.3A CN201910153874A CN109731714B CN 109731714 B CN109731714 B CN 109731714B CN 201910153874 A CN201910153874 A CN 201910153874A CN 109731714 B CN109731714 B CN 109731714B
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- end cover
- transverse plate
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Abstract
The invention discloses a protective film spraying device which comprises a rack, wherein the rack comprises a left side plate and a right side plate which are arranged in parallel along the vertical direction, a lower transverse plate and an upper transverse plate which are arranged along the horizontal direction are arranged between the left side plate and the right side plate, and the upper transverse plate is positioned above the lower transverse plate; two parallel inlet rollers and outlet rollers with the same size are rotatably connected between the left side plate and the right side plate above the lower transverse plate, and the axes of the inlet rollers and the outlet rollers are in the same horizontal plane and are positioned below the upper transverse plate; a protective film spraying mechanism is arranged above the leading-in roller and the leading-out roller in the rack; a spraying pipe system is arranged around the cylinder body in the frame, and a driving mechanism for driving the piston rod to move up and down is arranged above the cylinder body; this protection film spraying device not only simple structure but also can coat two rolls of protection films simultaneously in the time of work, and production efficiency is high.
Description
Technical Field
The invention relates to the technical field of spraying devices, in particular to a protective film spraying device.
Background
When the double-anti-hardening silica gel protective film is used, in order to distinguish commodity sources, the word names or graphic marks of production enterprises are usually uniformly sprayed on the protective film at intervals, the traditional coating mode is that the protective film is uniformly coated on the protective film at intervals by a machine according to a hollow template marked by the words or the graphics in the winding process, the machine can only coat one roll of protective film at one time, and the production efficiency is low; in addition, conventional coating usually requires a separate gas source, and thus the structure is relatively complicated.
Disclosure of Invention
The invention aims to provide a protective film spraying device which is simple in structure, can be used for coating two rolls of protective films simultaneously during work and is high in production efficiency.
In order to achieve the above purpose, the invention adopts the technical scheme that: a protective film spraying device comprises a rack, wherein the rack comprises a left side plate and a right side plate which are arranged in parallel along the vertical direction, a lower transverse plate and an upper transverse plate which are arranged along the horizontal direction are arranged between the left side plate and the right side plate, and the upper transverse plate is positioned above the lower transverse plate; two parallel inlet rollers and outlet rollers with the same size are rotatably connected between the left side plate and the right side plate above the lower transverse plate, and the axes of the inlet rollers and the outlet rollers are in the same horizontal plane and are positioned below the upper transverse plate; a protective film spraying mechanism is arranged above the leading-in roller and the leading-out roller in the rack;
the protective film spraying mechanism comprises a piston, a piston rod and an air cylinder body which is arranged at the central position of an upper transverse plate along the vertical direction, wherein the upper end of the air cylinder body is provided with an upper end cover, and the lower end of the air cylinder body is provided with a lower end cover; the piston is connected in the cylinder body in a sliding mode and is located between the upper end cover and the lower end cover; an upper compression cavity is formed between the piston and the upper end cover and a lower compression cavity is formed between the piston and the lower end cover in the cylinder body; the center of the upper end cover is provided with a through upper through hole, and the center of the lower end cover is provided with a through lower through hole; the piston rod is fixedly arranged at the center of the piston, the upper end of the piston rod penetrates through the upper end cover and is connected in the upper through hole in a sliding manner, and the lower end of the piston rod penetrates through the lower end cover and the lower transverse plate and is connected in the lower through hole in a sliding manner; an upper sleeve and a lower sleeve are sleeved on the piston rod between the lower transverse plate and the lower end cover; a spraying template mechanism is rotatably connected between the upper sleeve and the lower sleeve on the piston rod, and a thread section for driving the spraying template mechanism to rotate is arranged on the piston rod; the spraying pipe system is arranged around the cylinder body in the frame, and a driving mechanism for driving the piston rod to move up and down is arranged above the cylinder body.
Through the technical scheme, when the protective film spraying device works, two rolls of protective films are led in from the lead-in roller and led out from the lead-out roller, and are respectively positioned on the left side and the right side of the piston rod; starting a driving mechanism to drive a piston rod to reciprocate up and down, driving a left hollow template to rotate to the upper side of a left protective film through a spraying template mechanism when the piston rod moves downwards, and driving a piston to move downwards to compress a lower compression cavity to spray the left hollow template through a spraying pipe system so as to finish spraying of the left protective film; when the piston rod moves upwards, the right side hollow template is driven to rotate to the position above the right side protective film through the spraying template mechanism, and meanwhile, the piston is driven to move upwards to compress the upper compression cavity to spray the right side hollow template through the spraying pipe system, so that the spraying of the right side protective film is finished; therefore, the intermittent spraying of the left protective film and the right protective film can be completed when the piston rod reciprocates up and down, and the distance of the spraying at intervals on the protective film can be controlled by controlling the rotating speeds of the leading-in roller and the leading-out roller, so that the working efficiency of the spraying of the protective film is greatly improved.
In a further technical scheme, the driving mechanism comprises a first upper rotating shaft and a second upper rotating shaft, the first upper rotating shaft is rotatably connected to the upper end of the left side plate, and the second upper rotating shaft is rotatably connected to the upper end of the right side plate; a left rotary disc is fixedly arranged at one end, close to the right side plate, of the first upper rotating shaft, and a right rotary disc communicated with the left rotary disc in size is fixedly arranged at one end, close to the left side plate, of the second upper rotating shaft; a first connecting shaft parallel to the first upper rotating shaft is arranged at the eccentric position of the left rotating disc between the left rotating disc and the right rotating disc; a first connecting rod is arranged at the upper end of the piston rod and the first connecting shaft; a first gear is fixedly mounted on the first upper rotating shaft, a driving motor is mounted on the left side plate, and a second gear meshed with the first gear is mounted on an output shaft of the driving motor.
Through the technical scheme, when the driving mechanism works, the driving motor drives the second gear to rotate, the first upper rotating shaft is driven to rotate when the second gear rotates, and the piston rod is driven to reciprocate up and down through the left rotating disc, the first connecting shaft and the first connecting rod when the first upper rotating shaft rotates.
In a further technical scheme, the spraying pipe system comprises an upper air inlet pipe, an upper air outlet pipe, a lower air inlet pipe and a lower air outlet pipe, wherein the upper air inlet pipe and the upper air outlet pipe are both arranged on the upper end cover and are communicated with the upper compression cavity, and the air outlet end of the upper air outlet pipe penetrates through the upper transverse plate and extends to the upper part of the spraying template mechanism along the vertical direction and is close to the right side plate; the lower air inlet pipe and the lower air outlet pipe are both arranged on the lower end cover and are communicated with the lower compression cavity, and the air outlet end of the lower air outlet pipe extends to the position above the spraying template mechanism and close to the left side plate along the vertical direction;
the upper air inlet pipe and the lower air inlet pipe are both provided with an air inlet one-way valve, and the air outlet ends of the upper air outlet pipe and the lower air outlet pipe are both provided with atomizing nozzles; a first air outlet one-way valve component is arranged at the joint of the upper air outlet pipe and the upper end cover, and a second air outlet one-way valve component is arranged at the joint of the lower air outlet pipe and the lower end cover;
a left liquid storage box is arranged on the upper transverse plate close to the left side plate, and a right liquid storage box is arranged on the upper transverse plate close to the right side plate; a left liquid conveying pipe for conveying the spraying liquid in the left liquid storage box to the atomizing spray head is arranged between the left liquid storage box and the atomizing spray head arranged on the lower air outlet pipe; and a right infusion tube for conveying the spraying liquid in the right liquid storage box to the atomizer is arranged between the right liquid storage box and the atomizer arranged on the upper air outlet pipe.
According to the technical scheme, when the piston rod drives the piston to move downwards, air in the lower compression cavity is compressed, meanwhile, vacuum is formed in the upper compression cavity, and the air enters the upper compression cavity through the air inlet one-way valve in the upper air inlet pipe; when the piston moves to be close to the lower end cover, the second air outlet one-way valve component is controlled to be opened, so that compressed air in the lower compression cavity is sprayed out through the atomizing nozzle on the lower air outlet pipe, and spraying liquid in the left liquid storage box conveyed by the left liquid conveying pipe is atomized and sprayed out; when the piston rod drives the piston to move upwards, air in the upper compression cavity is compressed, meanwhile, vacuum is formed in the lower compression cavity, and the air enters the lower compression cavity through the air inlet one-way valve in the lower air inlet pipe; when the piston moves to be close to the upper end cover, the first air outlet one-way valve component is controlled to be opened so that compressed air in the lower upper compression cavity is sprayed out through the atomizing nozzle on the upper air outlet pipe, and spraying liquid in the right liquid storage box conveyed by the right liquid conveying pipe is atomized and sprayed out.
In a further technical scheme, the spraying template mechanism comprises an inner ring rotating body, an outer ring rotating body and a tension spring; the inner ring rotator is in threaded connection with a threaded section on the piston rod and is positioned between the upper sleeve and the lower sleeve, an annular convex shoulder is arranged on the outer circumferential side surface of the inner ring rotator along the radial direction of the inner circumferential side surface of the outer ring rotator, annular grooves matched with the annular convex shoulder are arranged on the inner circumferential side surface of the outer ring rotator along the radial direction of the inner circumferential side surface of the outer ring rotator, the tension springs are formed by uniformly distributing a plurality of rotating shafts around the inner ring rotator between the inner ring rotator and the outer ring rotator at intervals, one end of each tension spring is fixedly; an arc-shaped limiting groove with an included angle of 90 degrees is formed in the upper end face of the outer ring rotating body around the piston rod, and a positioning rod inserted into the arc-shaped limiting groove is arranged at the middle position of the left side plate and the right side plate on the lower end face of the upper transverse plate; and mounting holes for placing hollow templates are respectively formed in the two ends of the arc-shaped limiting groove on the upper end surface of the outer ring rotating body.
According to the scheme, when the piston rod moves downwards, the inner ring rotating body is driven to rotate through the thread section on the piston rod, when the inner ring rotating body rotates, the outer ring rotating body is driven to rotate through the tension spring, the outer ring rotating body rotates 90 degrees anticlockwise under the action of the arc-shaped limiting groove and the positioning rod, the mounting hole is driven to rotate to a position right below the atomizing nozzle on the lower air outlet pipe, the piston rod continues to move downwards to drive the inner rotating body to rotate, and when the inner rotating body rotates, the outer ring rotating body cannot rotate under the action of the positioning rod, so that the; when the piston rod moves upwards, the inner ring rotating body is driven to rotate reversely through the thread section on the piston rod, when the inner ring rotating body rotates reversely, the tension spring is stretched, so that the outer ring rotating body does not rotate at the beginning, the piston rod continues to move upwards, when the tension spring resets, the inner ring rotating body is driven to continue rotating reversely, the inner ring rotating body drives the outer ring rotating body to rotate reversely through the tension spring, the outer ring rotating body rotates reversely by 90 degrees under the action of the arc-shaped limiting groove and the positioning rod, the mounting hole is driven to rotate to the position under the atomizing nozzle on the upper air outlet pipe, the piston rod continues to move upwards to drive the inner rotating body to rotate, and when the inner rotating; when the piston rod reciprocates up and down once, the outer ring rotating body is driven to rotate forwards and backwards by 90 degrees, and then the two mounting holes are respectively rotated to the positions above the left protective film and the right protective film at intervals.
In a further technical scheme, the first air outlet one-way valve component and the second air outlet one-way valve component have the same structure and respectively comprise a valve core, a spring seat, a compression spring and a plug; the spring seat is arranged in the air outlet pipe, an air outlet hole is formed in the end cover, a penetrating spring hole is formed in the center of the spring seat, a communicating hole is formed in the spring seat beside the spring hole, and the plug is arranged at one end, far away from the end cover, of the spring hole; the valve core comprises a sliding rod which is connected in a spring hole in a sliding mode, a conical body which is used for controlling the on-off of the air outlet hole is arranged at one end, close to the end cover, of the sliding rod, a push rod which penetrates through the air outlet hole and extends into the air cylinder body is arranged on the conical body, and the push rod is matched with the piston to control the on-off of the air outlet hole through the conical body; the compression spring is arranged in the spring hole and positioned between the sliding rod and the plug and used for forcing the conical body to be compressed on the air outlet hole.
Through the technical scheme, when the piston moves to a position close to the end cover, the piston touches the ejector rod, so that the conical body is pushed to move downwards to compress the compression spring to open the air outlet hole, and compressed air in the compression cavity is sprayed out from the atomizing nozzle on the air outlet pipe through the air outlet hole and the communication hole; after the piston leaves the ejector rod, the conical body is tightly pressed on the air outlet hole under the action of the compression spring, and the sealing of the compression cavity is completed.
In a further technical scheme, a first thrust bearing is arranged between the inner ring rotating body and the upper sleeve, and a second thrust bearing is arranged between the inner ring rotating body and the lower sleeve.
Has the advantages that:
when the protective film spraying device works, two rolls of protective films are led in from the lead-in roller and led out from the lead-out roller, and are respectively positioned on the left side and the right side of the piston rod; starting a driving mechanism to drive a piston rod to reciprocate up and down, driving a left hollow template to rotate to the upper side of a left protective film through a spraying template mechanism when the piston rod moves downwards, and driving a piston to move downwards to compress a lower compression cavity to spray the left hollow template through a spraying pipe system so as to finish spraying of the left protective film; when the piston rod moves upwards, the right side hollow template is driven to rotate to the position above the right side protective film through the spraying template mechanism, and meanwhile, the piston is driven to move upwards to compress the upper compression cavity to spray the right side hollow template through the spraying pipe system, so that the spraying of the right side protective film is finished; therefore, the intermittent spraying of the left protective film and the right protective film can be completed when the piston rod reciprocates up and down, and the distance of the spraying at intervals on the protective film can be controlled by controlling the rotating speeds of the leading-in roller and the leading-out roller, so that the working efficiency of the spraying of the protective film is greatly improved.
Drawings
FIG. 1 is a main sectional view of a protective film coating apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view taken at C-C in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line D-D of FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 1;
FIG. 6 is a schematic cross-sectional view of the piston moving to the top dead center in the present invention;
fig. 7 is a schematic sectional view showing the piston of the present invention moved to an intermediate position.
Reference numerals: 001. a left protective film; 002. a right side protective film; 1. a frame; 101. a left side plate; 102. a right side plate; 103. a lower transverse plate; 104. an upper transverse plate; 2. an introducing roller; 3. a drawing-out roller; 4. a piston; 5. a piston rod; 6. a cylinder block; 601. an upper compression chamber; 602. a lower compression chamber; 7. an upper end cover; 8. a lower end cover; 9. an upper sleeve; 10. a lower sleeve; 11. a first upper rotating shaft; 12. a second upper rotating shaft; 13. a left turn plate; 14. a right rotary table; 15. a first connecting shaft; 16. a first link; 17. a first gear; 18. a drive motor; 19. a second gear; 20. an upper intake pipe; 21. an upper air outlet pipe; 22. a lower air inlet pipe; 23. a lower air outlet pipe; 24. an air inlet check valve; 25. an atomizing spray head; 26. a first outlet check valve assembly; 27. a second outlet check valve assembly; 28. a left fluid storage box; 29. a right reservoir; 30. a left infusion tube; 31. a right infusion tube; 32. an inner ring rotator; 3201. an annular shoulder; 33. an outer ring rotator; 3301. an annular groove; 3302. an arc-shaped limiting groove; 3303. mounting holes; 34. a tension spring; 35. a first thrust bearing; 36. a second thrust bearing; 37. positioning a rod; 38. a valve core; 3801. a slide bar; 3802. a conical body; 3803. a top rod; 39. a spring seat; 3901. a spring hole; 3902. a communicating hole; 40. a compression spring; 41. plugging by screwing; 42. and an air outlet.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-7, a protective film spraying device comprises a frame 1, wherein the frame 1 comprises a left side plate 101 and a right side plate 102 which are arranged in parallel along a vertical direction, a lower transverse plate 103 and an upper transverse plate 104 which are arranged along a horizontal direction are arranged between the left side plate 101 and the right side plate 102, and the upper transverse plate 104 is positioned above the lower transverse plate 103; two parallel inlet rollers 2 and outlet rollers 3 with the same size are rotatably connected between the left side plate 101 and the right side plate 102 above the lower transverse plate 103, and the axes of the inlet rollers 2 and the outlet rollers 3 are in the same horizontal plane and are positioned below the upper transverse plate 104; and a protective film spraying mechanism is arranged above the leading-in roller 2 and the leading-out roller 3 in the frame 1.
The protective film spraying mechanism comprises a piston 4, a piston rod 5 and a cylinder body 6 which is arranged at the center of an upper transverse plate 104 along the vertical direction, wherein the upper end of the cylinder body 6 is provided with an upper end cover 7, and the lower end of the cylinder body is provided with a lower end cover 8; the piston 4 is slidably connected in the cylinder block 6 and located between the upper end cover 7 and the lower end cover 8; an upper compression chamber 601 and a lower compression chamber 602 are formed in the cylinder block 6 between the piston 4 and the upper end cap 7 and between the piston 4 and the lower end cap 8; a through upper through hole is formed in the center of the upper end cover 7, and a through lower through hole is formed in the center of the lower end cover 8; the piston rod 5 is fixedly arranged at the central position of the piston 4, the upper end of the piston rod 5 penetrates through the upper end cover 7 and is connected in the upper through hole in a sliding manner, and the lower end of the piston rod 5 penetrates through the lower end cover 8 and the lower transverse plate 103 and is connected in the lower through hole in a sliding manner; an upper sleeve 9 and a lower sleeve 10 are sleeved on the piston rod 5 between the lower transverse plate 103 and the lower end cover 8; a spraying template mechanism is rotatably connected between the upper sleeve 9 and the lower sleeve 10 on the piston rod 5, and a thread section for driving the spraying template mechanism to rotate is arranged on the piston rod 5; a spraying pipe system is arranged around the cylinder block 6 in the frame 1, and a driving mechanism for driving the piston rod 5 to move up and down is arranged above the cylinder block 6.
The driving mechanism comprises a first upper rotating shaft 11 and a second upper rotating shaft 12, the first upper rotating shaft 11 is rotatably connected to the upper end of the left side plate 101, and the second upper rotating shaft 12 is rotatably connected to the upper end of the right side plate 102; a left rotary disc 13 is fixedly mounted at one end of the first upper rotary shaft 11 close to the right side plate 102, and a right rotary disc 14 communicated with the left rotary disc 13 in size is fixedly mounted at one end of the second upper rotary shaft 12 close to the left side plate 101; a first connecting shaft 15 parallel to the first upper rotating shaft 11 is arranged at the eccentric position of the left rotating disc 13 between the left rotating disc 13 and the right rotating disc 14; a first connecting rod 16 is arranged at the upper end of the piston rod 5 and the first connecting shaft 15; a first gear 17 is fixedly mounted on the first upper rotating shaft 11, a driving motor 18 is mounted on the left side plate 101, and a second gear 19 meshed with the first gear 17 is mounted on an output shaft of the driving motor 18.
The spraying pipe system comprises an upper air inlet pipe 20, an upper air outlet pipe 21, a lower air inlet pipe 22 and a lower air outlet pipe 23, wherein the upper air inlet pipe 20 and the upper air outlet pipe 21 are both arranged on the upper end cover 7 and are communicated with the upper compression cavity 601, and the air outlet end of the upper air outlet pipe 21 penetrates through the upper transverse plate 104 and extends to the upper part of the spraying template mechanism along the vertical direction and is close to the right side plate 102; the lower air inlet pipe 22 and the lower air outlet pipe 23 are both mounted on the lower end cover 8 and communicated with the lower compression cavity 602, and the air outlet end of the lower air outlet pipe 23 extends to the upper part of the spraying template mechanism along the vertical direction and is close to the left side plate 101.
The upper air inlet pipe 20 and the lower air inlet pipe 22 are both provided with an air inlet one-way valve 24, and the air outlet ends of the upper air outlet pipe 21 and the lower air outlet pipe 23 are both provided with an atomizing nozzle 25; a first air outlet one-way valve assembly 26 is arranged at the joint of the upper air outlet pipe 21 and the upper end cover, and a second air outlet one-way valve assembly 27 is arranged at the joint of the lower air outlet pipe 23 and the lower end cover.
The upper transverse plate 104 is provided with a left liquid storage box 28 at a position close to the left side plate 101, and a right liquid storage box 29 at a position close to the right side plate 102; a left infusion tube 30 for delivering the spraying liquid in the left liquid storage box 28 to the atomizing nozzle 25 is arranged between the left liquid storage box 28 and the atomizing nozzle 25 arranged on the lower air outlet tube 23; a right infusion tube 31 for delivering the spraying liquid in the right liquid storage box 29 to the atomizing nozzle 25 is arranged between the right liquid storage box 29 and the atomizing nozzle 25 arranged on the upper air outlet pipe 21.
The spraying template mechanism comprises an inner ring rotator 32, an outer ring rotator 33 and a tension spring 34; the inner ring rotator 32 is in threaded connection with the threaded section on the piston rod 5 and is positioned between the upper sleeve 9 and the lower sleeve 10; a first thrust bearing 35 is arranged between the inner ring rotator 32 and the upper sleeve 9, and a second thrust bearing 36 is arranged between the inner ring rotator 32 and the lower sleeve 10; an annular convex shoulder 3201 is arranged on the outer circumferential side surface of the inner ring rotator 32 along the radial direction, an annular groove 3301 matched with the annular convex shoulder 3201 is arranged on the inner circumferential side surface of the outer ring rotator 33 along the radial direction, ten tension springs 34 are uniformly distributed between the inner ring rotator 32 and the outer ring rotator 33 at intervals around the rotating shaft of the inner ring rotator 32, one end of each tension spring 34 is fixedly connected with the outer circumferential side surface of the inner ring rotator 32, and the other end of each tension spring is fixedly connected with the circumferential side surface of the outer ring rotator 33; an arc-shaped limiting groove 3302 with an included angle of 90 degrees is formed on the upper end surface of the outer ring rotator 33 around the piston rod 5, and a positioning rod 37 inserted into the arc-shaped limiting groove 3302 is arranged on the lower end surface of the upper transverse plate 104 at the middle position of the left side plate 101 and the right side plate 102; and mounting holes 3303 for placing hollow templates are respectively formed in the two ends of the arc-shaped limiting groove 3302 on the upper end surface of the outer ring rotating body 33.
The first air outlet one-way valve assembly 26 and the second air outlet one-way valve assembly 27 have the same structure and respectively comprise a valve core 38, a spring seat 39, a compression spring 40 and a plug 41; the spring seat 39 is installed in an air outlet pipe, an air outlet hole 42 is formed in an end cover, a penetrating spring hole 3901 is formed in the center of the spring seat 39, a communicating hole 3902 is formed in the spring seat 39 beside the spring hole 3901, and the plug 41 is installed at one end, far away from the end cover, of the spring hole 3901; the valve core 38 comprises a sliding rod 3801 connected in the spring hole 3901 in a sliding manner, a conical body 3802 used for controlling the on-off of the air outlet 42 is arranged at one end, close to the end cover, of the sliding rod 3801, an ejector rod 3803 penetrating through the air outlet 42 and extending into the cylinder body 6 is arranged on the conical body 3802, and the ejector rod 3803 is matched with the piston 4 to control the on-off of the air outlet 42 through the conical body 3802; the pressing spring 40 is disposed in the spring hole 3901 and located between the sliding rod 3801 and the plug 41 for forcing the conical body 3802 to press on the air outlet 42.
When the protective film spraying device works, two rolls of protective films are led in from the lead-in roller 2 and led out from the lead-out roller 3, and are respectively positioned at the left side and the right side of the piston rod 5; the driving motor 18 is started to drive the second gear 19 to rotate, the first upper rotating shaft 11 is driven to rotate when the second gear 19 rotates, and the piston rod 5 is driven to reciprocate up and down by the left rotating disc 13, the first connecting shaft 15 and the first connecting rod 16 when the first upper rotating shaft 11 rotates.
In the process that the piston rod 5 moves downwards, the inner ring rotator 32 is driven to rotate through the thread section on the piston rod 5, the outer ring rotator 33 is driven to rotate through the tension spring 34 when the inner ring rotator 32 rotates, the outer ring rotator 33 rotates 90 degrees anticlockwise under the action of the arc-shaped limiting groove 3302 and the positioning rod 37, the left hollow template is driven to rotate to the position right below the atomizing nozzle 25 (above the left protective film) on the lower air outlet pipe 23 through the mounting hole 3303, the piston rod 5 continues to move downwards to drive the inner rotator to rotate, and the tension spring 34 is stretched because the outer ring rotator 33 cannot rotate under the action of the positioning rod 37 when the inner rotator rotates; meanwhile, the piston rod 5 drives the piston 4 to move downwards, the air in the lower compression cavity 602 is compressed, vacuum is formed in the upper compression cavity 601, and the air enters the upper compression cavity 601 through the air inlet one-way valve 24 in the upper air pipe 20; when the piston 4 moves to be close to the lower end cover 8, the piston touches the ejector rod 3803, further the conical body 3802 is pushed to move downwards to compress the compression spring 40 to open the air outlet hole 42, so that compressed air in the compression cavity is sprayed out from the atomizing nozzle 25 on the lower air outlet pipe 23 through the air outlet hole 42 and the communication hole 3902, and meanwhile, spraying liquid in the left liquid storage box 28 conveyed by the left liquid conveying pipe 30 is atomized and sprayed out; and then the coating is sprayed on the left protective film through the hollow template.
In the upward movement process of the piston rod 5, the inner ring rotator 32 is driven to rotate reversely through the thread section on the piston rod 5, when the inner ring rotator 32 rotates reversely, the tension spring 34 is stretched, so that the outer ring rotator 33 does not rotate at the beginning, the piston rod 5 moves upward continuously, when the tension spring 34 resets, the inner ring rotator 32 is driven to rotate continuously and reversely, the inner ring rotator 32 drives the outer ring rotator 33 to rotate reversely through the tension spring 34, the outer ring rotator 33 rotates reversely 90 degrees under the action of the arc-shaped limiting groove 3302 and the positioning rod 37, the right hollow template is driven to rotate to the position right below the atomizing nozzle 25 (above the right protective film) on the upper outlet pipe 21 through the mounting hole 3303, the piston rod 5 moves upward continuously to drive the inner rotator to rotate, and when the inner rotator rotates, the outer ring rotator 33 cannot rotate; meanwhile, the piston rod 5 drives the piston 4 to move upwards, the air in the upper compression cavity 601 is compressed, vacuum is formed in the lower compression cavity 602, and the air enters the lower compression cavity 602 through the air inlet one-way valve 24 in the lower air inlet pipe 22; touch the ejector pin 3803 when piston 4 moves to being close to upper end cover 7, and then promote conical body 3802 downstream compression spring 40 and open venthole 42 for compressed air in the compression chamber passes through venthole 42 and intercommunicating pore 3902 and is spouted by atomizer 25 on last outlet duct 21, and the spraying liquid in the right stock solution box 29 that comes is carried right transfer line 31 simultaneously atomizes the blowout, and then sprays on the protection film on right side through the fretwork template. Therefore, the intermittent spraying of the left protective film and the right protective film can be completed when the piston rod 5 reciprocates up and down, and the distance of the spraying at intervals on the protective film can be controlled by controlling the rotating speeds of the leading-in roller 2 and the leading-out roller 3, so that the working efficiency of the spraying of the protective film is greatly improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The protective film spraying device is characterized by comprising a rack (1), wherein the rack (1) comprises a left side plate (101) and a right side plate (102) which are arranged in parallel along the vertical direction, a lower transverse plate (103) and an upper transverse plate (104) which are arranged along the horizontal direction are arranged between the left side plate (101) and the right side plate (102), and the upper transverse plate (104) is positioned above the lower transverse plate (103); two parallel inlet rollers (2) and outlet rollers (3) with the same size are rotatably connected between the left side plate (101) and the right side plate (102) above the lower transverse plate (103), and the axes of the inlet rollers (2) and the outlet rollers (3) are in the same horizontal plane and are positioned below the upper transverse plate (104); a protective film spraying mechanism is arranged above the leading-in roller (2) and the leading-out roller (3) in the rack (1);
the protective film spraying mechanism comprises a piston (4), a piston rod (5) and a cylinder body (6) which is arranged at the center of an upper transverse plate (104) along the vertical direction, wherein an upper end cover (7) is arranged at the upper end of the cylinder body (6), and a lower end cover (8) is arranged at the lower end of the cylinder body; the piston (4) is connected in the cylinder block (6) in a sliding mode and located between the upper end cover (7) and the lower end cover (8); an upper compression cavity (601) is formed between the piston (4) and the upper end cover (7) in the cylinder body (6), and a lower compression cavity (602) is formed between the piston (4) and the lower end cover (8); a through upper through hole is formed in the center of the upper end cover (7), and a through lower through hole is formed in the center of the lower end cover (8); the piston rod (5) is fixedly arranged at the center of the piston (4), the upper end of the piston rod (5) penetrates through the upper end cover (7) and is connected in the upper through hole in a sliding manner, and the lower end of the piston rod (5) penetrates through the lower end cover (8) and the lower transverse plate (103) and is connected in the lower through hole in a sliding manner; an upper sleeve (9) and a lower sleeve (10) are sleeved on the piston rod (5) between the lower transverse plate (103) and the lower end cover (8); a spraying template mechanism is rotatably connected between the upper sleeve (9) and the lower sleeve (10) on the piston rod (5), and a thread section for driving the spraying template mechanism to rotate is arranged on the piston rod (5);
a spraying pipe system is arranged around the cylinder body (6) in the frame (1), and a driving mechanism for driving the piston rod (5) to move up and down is arranged above the cylinder body (6);
the spraying template mechanism comprises an inner ring rotating body (32), an outer ring rotating body (33) and a tension spring (34); the inner ring rotator (32) is in threaded connection with a threaded section on the piston rod (5) and is positioned between the upper sleeve (9) and the lower sleeve (10), an annular convex shoulder (3201) is arranged on the outer circumferential side surface of the inner ring rotator (32) along the radial direction of the outer circumferential side surface, an annular groove (3301) matched with the annular convex shoulder (3201) is arranged on the inner circumferential side surface of the outer ring rotator (33) along the radial direction of the inner circumferential side surface, the tension springs (34) are uniformly distributed between the inner ring rotator (32) and the outer ring rotator (33) at intervals around the rotating shaft of the inner ring rotator (32), one end of each tension spring (34) is fixedly connected with the outer circumferential side surface of the inner ring rotator (32), and the other end of each tension spring is fixedly connected with the circumferential side surface of the; an arc-shaped limiting groove (3302) with an included angle of 90 degrees is formed in the upper end face of the outer ring rotating body (33) around the piston rod (5), and a positioning rod (37) inserted into the arc-shaped limiting groove (3302) is arranged on the lower end face of the upper transverse plate (104) at the middle position of the left side plate (101) and the right side plate (102); and mounting holes (3303) for placing hollow-out templates are respectively formed in the two ends of the arc-shaped limiting groove (3302) on the upper end face of the outer ring rotating body (33).
2. The protective film spraying apparatus according to claim 1, wherein the driving mechanism comprises a first upper rotating shaft (11) and a second upper rotating shaft (12), the first upper rotating shaft (11) is rotatably connected to the upper end of the left side plate (101), and the second upper rotating shaft (12) is rotatably connected to the upper end of the right side plate (102); a left rotary disc (13) is fixedly mounted at one end, close to the right side plate (102), of the first upper rotary shaft (11), and a right rotary disc (14) communicated with the left rotary disc (13) in size is fixedly mounted at one end, close to the left side plate (101), of the second upper rotary shaft (12); a first connecting shaft (15) parallel to the first upper rotating shaft (11) is arranged at the eccentric position of the left rotating disc (13) between the left rotating disc (13) and the right rotating disc (14); a first connecting rod (16) is arranged at the upper end of the piston rod (5) and the first connecting shaft (15); a first gear (17) is fixedly mounted on the first upper rotating shaft (11), a driving motor (18) is mounted on the left side plate (101), and a second gear (19) meshed with the first gear (17) is mounted on an output shaft of the driving motor (18).
3. The protective film spraying device according to claim 1, wherein the spraying pipe system comprises an upper air inlet pipe (20), an upper air outlet pipe (21), a lower air inlet pipe (22) and a lower air outlet pipe (23), the upper air inlet pipe (20) and the upper air outlet pipe (21) are both mounted on the upper end cover (7) and are communicated with the upper compression cavity (601), and the air outlet end of the upper air outlet pipe (21) penetrates through an upper transverse plate (104) and extends to the position above the spraying template mechanism and close to the right side plate (102) along the vertical direction; the lower air inlet pipe (22) and the lower air outlet pipe (23) are both arranged on the lower end cover (8) and are communicated with the lower compression cavity (602), and the air outlet end of the lower air outlet pipe (23) extends to the position above the spraying template mechanism and close to the left side plate (101) along the vertical direction;
the upper air inlet pipe (20) and the lower air inlet pipe (22) are respectively provided with an air inlet one-way valve (24), and the air outlet ends of the upper air outlet pipe (21) and the lower air outlet pipe (23) are respectively provided with an atomizing nozzle (25); a first air outlet one-way valve component (26) is arranged at the joint of the upper air outlet pipe (21) and the upper end cover (7), and a second air outlet one-way valve component (27) is arranged at the joint of the lower air outlet pipe (23) and the lower end cover (8);
a left liquid storage box (28) is arranged on the upper transverse plate (104) close to the left side plate (101), and a right liquid storage box (29) is arranged on the upper transverse plate close to the right side plate (102); a left infusion tube (30) used for sending the spraying liquid in the left liquid storage box (28) to the atomizing nozzle (25) is arranged between the left liquid storage box (28) and the atomizing nozzle (25) arranged on the lower air outlet tube (23); a right infusion tube (31) used for sending the spraying liquid in the right liquid storage box (29) to the atomizing nozzle (25) is arranged between the right liquid storage box (29) and the atomizing nozzle (25) arranged on the upper air outlet tube (21).
4. The protective film spraying device as claimed in claim 3, wherein the first air outlet check valve assembly (26) and the second air outlet check valve assembly (27) are identical in structure and comprise a valve core (38), a spring seat (39), a compression spring (40) and a plug (41); the spring seat (39) is installed in the air outlet pipe, an air outlet hole (42) is formed in the end cover, a penetrating spring hole (3901) is formed in the spring seat (39), and the plug (41) is installed at one end, far away from the end cover, of the spring hole (3901); the valve core (38) comprises a sliding rod (3801) which is connected in a spring hole (3901) in a sliding mode, a conical body (3802) which is used for controlling the on-off of the air outlet hole (42) is arranged at one end, close to the end cover, of the sliding rod (3801), a push rod (3803) which penetrates through the air outlet hole (42) and extends into the cylinder body (6) is arranged on the conical body (3802), and the push rod (3803) is matched with the piston (4) to control the on-off of the air outlet hole (42) through the conical body (3802); the pressing spring (40) is arranged in the spring hole (3901) and located between the sliding rod (3801) and the plug (41) and used for forcing the conical body (3802) to press on the air outlet hole (42).
5. Protective film coating device according to claim 1, wherein a first thrust bearing (35) is provided between the inner ring swivel (32) and the upper sleeve (9), and a second thrust bearing (36) is provided between the inner ring swivel (32) and the lower sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153874.3A CN109731714B (en) | 2019-03-01 | 2019-03-01 | Protection film spraying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153874.3A CN109731714B (en) | 2019-03-01 | 2019-03-01 | Protection film spraying device |
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| Publication Number | Publication Date |
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| CN109731714A CN109731714A (en) | 2019-05-10 |
| CN109731714B true CN109731714B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910153874.3A Active CN109731714B (en) | 2019-03-01 | 2019-03-01 | Protection film spraying device |
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| CN111498574A (en) * | 2020-04-21 | 2020-08-07 | 杭州匡明科技有限公司 | Equipment is cut to accurate book of sticky tape coating in daily use |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2905059C (en) * | 2013-03-14 | 2021-11-02 | Altria Client Services Llc | Product portion enrobing machines and methods |
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| CN201249166Y (en) * | 2008-08-03 | 2009-06-03 | 陈玉金 | Electric spray gun |
| CN204372202U (en) * | 2014-12-30 | 2015-06-03 | 鹤壁金科电器有限公司 | A kind of unloading valve valve stem |
| CN206013994U (en) * | 2016-07-08 | 2017-03-15 | 云阳金田塑业有限公司 | It is simultaneously used for the winding rim charge equipment of cutting machine |
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| CN109731714A (en) | 2019-05-10 |
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Effective date of registration: 20210609 Address after: 528000 5 / 9C, Shunjing Avenue, zone B, Heshui Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Guangdong Aomei polymer material Co.,Ltd. Address before: 315000 Yiting building, Hefeng creative Plaza, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Qu Zeqing |
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