CN212975651U - Roll coating equipment for bed mother board - Google Patents

Abstract

The utility model discloses a bed mother board roller coating device, which comprises a frame, a conveying wheel set, a UV coating wheel set, a height adjusting mechanism, a translation adjusting mechanism and a depth adjusting mechanism; during operation, the bed mother board is conveyed through the conveying wheel set, in the conveying process, the UV coating wheel sets arranged at two ends of the wheel shafts of the conveying wheel sets roll-coat the side edges of the bed mother board, and the UV coating wheel sets are respectively regulated by the height regulating mechanism, the translation regulating mechanism and the depth regulating mechanism to regulate the positions between the UV coating wheel sets and the side edges of the bed mother board, so that the UV roll-coating treatment of the side edges of the bed mother board is realized, and the machine has the advantages of stable coating quality and high working efficiency.

Description

Roll coating equipment for bed mother board

Technical Field

The utility model relates to a timber rolls and scribbles technical field, in particular to bed mother board rolls and scribbles equipment.

Background

The bed mother board is a strip-shaped board with a certain width, is used for furniture production, has more uniform shape and specification, and is difficult to realize common plane roll coating aiming at the side edge of the bed mother board at present. Conventional painting methods are generally used: the manual paint spraying has the advantages of high labor intensity, low efficiency and uneven paint spraying, and the existing automatic paint spraying equipment in the market has high cost investment, can only spray paint on two surfaces of the bed mother board, cannot paint the side surface of the bed mother board, and is difficult to meet the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bed mother board rolls and scribbles equipment can realize carrying out the processing that UV rolled and scribbled to bed mother board side, and work efficiency is high, application stable quality satisfies the production needs.

According to the utility model discloses a bed mother board roll coating equipment of first aspect embodiment, including frame, conveying wheel group, UV coating wheelset, height adjustment mechanism, translation adjustment mechanism, depth adjustment mechanism;

the conveying wheel set is arranged on the rack; the UV coating wheel sets are two and are arranged at two ends of a wheel shaft of the conveying wheel set; the height adjusting mechanisms are two groups and are used for adjusting the heights of the two groups of UV coating wheel sets; the translation adjusting mechanisms are two groups and are used for adjusting the positions of the two groups of UV coating wheel sets; the depth adjusting mechanisms are two groups and are used for adjusting the depth of the two groups of UV coating wheel sets.

According to the utility model discloses bed mother board roller coating equipment has following beneficial effect at least:

during operation, the bed mother board is conveyed through the conveying wheel set, in the conveying process, the UV coating wheel sets arranged at two ends of the wheel shafts of the conveying wheel sets roll-coat the side edges of the bed mother board, and the UV coating wheel sets respectively adjust the positions between the UV coating wheel sets and the side edges of the bed mother board through the height adjusting mechanism, the translation adjusting mechanism and the depth adjusting mechanism so as to achieve the UV roll-coating treatment of the side edges of the bed mother board, effectively align the side edges of the bed mother board and roll-coat, and have the advantages of stable quality and high working efficiency.

Adjust the height of UV coating wheelset to the realization carries out UV roller coating to the bed mother board side, according to the utility model discloses a some embodiments, UV coating wheelset includes coating wheel, lightning wheel, the coating wheel with the lightning wheel is adorned on the frame, the frame with translation adjustment mechanism connects, translation adjustment mechanism adorn in depth adjustment mechanism's top, depth adjustment mechanism's bottom with height adjustment mechanism connects.

According to the utility model discloses a some embodiments, translation adjustment mechanism includes manual speed reducer, revolving cylinder pass through the fixed plate with manual speed reducer connects, the last translation connecting axle that is equipped with of manual speed reducer, the one end of translation connecting axle adorn in the revolving cylinder, the other end of translation connecting axle is fixed in on the frame.

According to some embodiments of the utility model, the depth adjustment mechanism includes that the depth adjusts the forked tail slider, the depth adjusts forked tail groove seat, forked tail hand wheel pole, the depth hand wheel, the depth adjust the forked tail slider slide adorn on the depth adjusts the forked tail groove seat, the screw thread section screw thread of forked tail hand wheel pole adorn in the depth adjusts the forked tail slider, the polished rod section of forked tail hand wheel pole runs through behind the depth adjust forked tail groove seat with the depth hand wheel is connected.

According to the utility model discloses a some embodiments, height adjustment mechanism includes altitude mixture control dovetail, altitude mixture control dovetail slider, lifting screw, lift speed reducer, the altitude mixture control dovetail is fixed in the frame, lifting screw fixes altitude mixture control dovetail slider bottom, lifting screw facial make-up in lift speed reducer, lift speed reducer is equipped with lift gear motor.

According to some embodiments of the utility model, the gangbar is equipped with between the lifting speed reducer.

According to the utility model discloses a some embodiments, the frame includes upper plate, hypoplastron, connecting rod, the upper plate with connect through the connecting rod between the hypoplastron, the upper plate top is provided with first gear motor, second gear motor respectively, first gear motor is used for the drive the coating wheel, second gear motor is used for the drive the photoelectricity wheel, be fixed with the connecting axle fixing base on the hypoplastron, the connecting axle fixing base is used for fixing the translation connecting axle.

According to some embodiments of the present invention, the upper plate and the lower plate are both provided with notches corresponding to each other, an outer connecting plate is installed between the upper plate and the lower plate, the outer connecting plate is located outside the notch opening, a lead screw nut is fixed on the outer connecting plate, and a slider lead screw is installed on the lead screw nut; the top of the upper plate is fixedly provided with upper sliding block guide strips positioned on two sides of the notch, an upper sliding block is arranged between the upper sliding block guide strips, and the top of the upper sliding block is fixedly provided with the second speed reduction motor; the top of the lower plate is fixedly provided with lower sliding block guide strips positioned at two sides of the notch, a lower sliding block is arranged between the lower sliding block guide strips, and a wheel shaft of the electro-optic wheel penetrates through the lower sliding block and is connected with the second speed reduction motor; the inner connecting plate is arranged in the gap, one end of the sliding block screw rod is fixed on the inner connecting plate through a bearing seat, and a hand wheel is mounted at the other end of the sliding block screw rod.

According to some embodiments of the present invention, the conveying wheel set comprises a driving rubber wheel, a first conveying rubber wheel, a transition rubber wheel, a second conveying rubber wheel, and a driven rubber wheel, and the UV coating wheel set is located between an end of the first conveying rubber wheel and an end of the transition rubber wheel; the driving rubber wheel rotates through a driving motor, the driving rubber wheel is mutually linked with the first conveying rubber wheel, and the first conveying rubber wheel is further mutually linked with the transition rubber wheel and the driven rubber wheel respectively.

According to some embodiments of the present invention, further comprising a first anti-deflection wheel set bar and a second anti-deflection wheel set bar pressing against the conveying wheel set, two supporting guide rods and two pinch roller guide rods are arranged above the first anti-deviation wheel set rod and the second anti-deviation wheel set rod, the two supporting guide rods connect the first anti-deviation wheel set rod and the second anti-deviation wheel set rod, two ends of the two supporting guide rods are respectively provided with a lifting dovetail slide block, the lifting dovetail slide block is arranged in the lifting dovetail slide groove in a sliding way, a lifting threaded rod is arranged in the lifting dovetail slide block, a first helical gear is arranged at the top end of the lifting threaded rod, a second helical gear is meshed with the first helical gear, the second helical gear is arranged at two ends of the two pinch roller guide rods, a lifting adjusting hand wheel is arranged at one end of each of the two pinch roller guide rods, and the two pinch roller guide rods are mutually linked.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of the UV coating wheel set, the height adjusting mechanism, the translation adjusting mechanism and the depth adjusting mechanism shown in FIG. 1 in a linkage state;

FIG. 3 is a first schematic view of the combination of the UV coating wheel set, the height adjustment mechanism, the translation adjustment mechanism and the depth adjustment mechanism shown in FIG. 1;

FIG. 4 is a schematic view of the UV coating wheel set, the height adjusting mechanism, the translation adjusting mechanism and the depth adjusting mechanism shown in FIG. 1;

FIG. 5 is a schematic view of the UV coated wheel set shown in FIG. 1 in an exploded condition;

FIG. 6 is a first schematic view of the conveyor wheel assembly shown in FIG. 1;

FIG. 7 is a second schematic view of the conveying wheel assembly shown in FIG. 1;

fig. 8 is a schematic view of a combined state of the first guide wheel set rod, the second guide wheel set rod, the third guide wheel set rod, the first anti-deviation wheel set rod and the second anti-deviation wheel set rod shown in fig. 1;

FIG. 9 is a schematic view of the first and second anti-yaw wheelset levers illustrated in FIG. 1;

FIG. 10 is a schematic view of the second guide wheel assembly lever shown in FIG. 1;

fig. 11 is a schematic view of the third guide wheel set bar shown in fig. 1.

A frame 100; the conveying wheel set 200, the driving rubber wheel 210, the first conveying rubber wheel 220, the transition rubber wheel 230, the second conveying rubber wheel 240, the driven rubber wheel 250 and the driving motor 260; the coating device comprises a UV coating wheel set 300, a coating wheel 310, an electro-optic wheel 320, a machine base 330, an upper plate 331, a lower plate 332, a connecting rod 333, a first speed reducing motor 340, a second speed reducing motor 350, a notch 301, an outer connecting plate 302, a screw nut 303, a slider screw 304, an upper slider guide bar 305, an upper slider 306, a lower slider guide bar 307, a lower slider 308, an inner connecting plate 309, a bearing seat 3010 and a hand wheel 3011; the height adjusting mechanism 400, the height adjusting dovetail groove 410, the height adjusting dovetail slider 420, the lifting screw 430, the lifting reducer 440, the lifting reducer motor 450 and the linkage rod 460; the translation adjusting mechanism 500, the manual speed reducer 510, the rotary cylinder 520, the fixing plate 530, the translation connecting shaft 540 and the connecting shaft fixing seat 550; the depth adjusting mechanism 600, the depth adjusting dovetail slide block 610, the depth adjusting dovetail groove seat 620, the dovetail hand wheel rod 630 and the depth hand wheel 640; a first anti-deviation wheel set rod 701 and a second anti-deviation wheel set rod 702; a supporting guide rod 710, a pinch roller guide rod 720, a lifting dovetail slide block 730, a lifting dovetail slide groove 740, a first helical gear 750, a second helical gear 760 and a lifting adjusting hand wheel 770 lifting threaded rod 780; a first guide wheel set bar 801; a second guide wheel group rod 901, a portal frame 910, an upper dovetail sliding groove 920, an upper dovetail sliding block 930, an upper screw 940 and an upper adjusting hand wheel 950; a third guide wheel set rod 1001, a fixed cross beam 1100, a lower dovetail sliding groove 1200, a lower dovetail sliding block 1300, a lower screw 1400, a lower adjusting hand wheel 1500 and a lower adjusting hand wheel 1500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, a roll coating apparatus for a motherboard of a bed comprises a frame 100, a conveying wheel set 200, a UV coating wheel set 300, a height adjusting mechanism 400, a translation adjusting mechanism 500, and a depth adjusting mechanism 600; the machine frame 100 is provided with a conveying wheel set 200, a bed mother board is conveyed through the conveying wheel set 200, in the conveying process of the bed mother board, the two groups of UV coating wheel sets 300 arranged at two ends of a wheel shaft of the conveying wheel set 200 carry out UV roll coating on the side edge of the bed mother board, in order to adjust the position between the two groups of UV coating wheel sets 300 and the side edge of the bed mother board, the heights of the two groups of UV coating wheel sets 300 are adjusted through two groups of height adjusting mechanisms 400, the two groups of UV coating wheel sets 300 are enabled to move forwards or backwards through two groups of translation adjusting mechanisms 500, the depths of the two groups of UV coating wheel sets 300 are adjusted through two groups of depth adjusting mechanisms 600, the tightness between the UV coating wheel sets 300 and the side edge of the bed mother board is adjusted, the treatment of the UV roll coating on the side edge of the bed mother.

Referring to fig. 2, the UV coating wheel set 300 includes a coating wheel 310 and an electro-optic wheel 320, the coating wheel 310 and the electro-optic wheel 320 are mounted on a base 330, the coating wheel 310 is located on the inner side and contacts with the side of the bed mother board, the electro-optic wheel 320 is located on the outer side of the coating wheel 310 and contacts with the coating wheel 310, the base 330 is connected with a translation adjusting mechanism 500, the translation adjusting mechanism 500 is mounted on the top of a depth adjusting mechanism 600, and the bottom of the depth adjusting mechanism 600 is connected with a height adjusting mechanism 400.

Referring to fig. 2-4, the translational adjustment mechanism 500 includes a manual speed reducer 510, a rotary cylinder 520, the rotary cylinder 520 is connected to the manual speed reducer 510 through a fixing plate 530, a translational connection shaft 540 is installed on the manual speed reducer 510, one end of the translational connection shaft 540 is installed in the rotary cylinder 520, the other end of the translational connection shaft 540 is fixed to the base 330, the rotary cylinder 520 makes the base 330 reciprocate through the translational connection shaft 540, so that the coating wheel 310 and the electro-optic wheel 320 installed on the base 330 move leftwards or rightwards, and the manual speed reducer 510 is installed on the translational connection shaft 540, so that the translational connection shaft 540 moves more smoothly.

The depth adjusting mechanism 600 comprises a depth adjusting dovetail slider 610, a depth adjusting dovetail groove seat 620, a dovetail hand wheel rod 630 and a depth hand wheel 640, wherein the depth adjusting dovetail slider 610 is slidably mounted on the depth adjusting dovetail groove seat 620, a thread section of the dovetail hand wheel rod 630 is threadedly mounted in the depth adjusting dovetail slider 610, a polish rod section of the dovetail hand wheel rod 630 penetrates through the depth adjusting dovetail groove seat 620 and then is connected with the depth hand wheel 640, the depth adjusting dovetail slider 610 moves on the thread section of the dovetail hand wheel rod 630 when the depth hand wheel 640 is rotated, and then the depth adjusting dovetail slider 610 moves on the depth adjusting dovetail groove seat 620, so that the coating wheel 310 and the electro-optic wheel 320 move towards a bed motherboard or back to the bed.

The height adjusting mechanism 400 comprises a height adjusting dovetail groove 410, a height adjusting dovetail slider 420, a lifting screw 430 and a lifting speed reducer 440, wherein the height adjusting dovetail groove 410 is fixed on the rack 100, the height adjusting dovetail slider 420 is arranged at the bottom of the depth adjusting mechanism 600, the lifting screw 430 is fixed at the bottom of the height adjusting dovetail slider 420, the lifting speed reducer 440 is driven by a lifting speed reducer motor 450, so that the lifting screw 430 arranged in the lifting speed reducer 440 moves up and down, and the lifting screw 430 pushes or pulls the height adjusting dovetail slider 420 upwards.

The linkage rod 460 is arranged between the lifting speed reducers 440 and can be used for adjusting the balance of the two groups of UV coating wheel sets 300 and reducing the adjusting time.

Referring to fig. 5, the base 330 includes an upper plate 331, a lower plate 332, and a connecting rod 333, the upper plate 331 and the lower plate 332 are connected by the connecting rod 333, the top of the upper plate 331 is respectively provided with a first speed reduction motor 340 and a second speed reduction motor 350, the first speed reduction motor 340 is used for driving the coating wheel 310, the second speed reduction motor 350 is used for driving the electro-optic wheel 320, the lower plate 332 is fixed with a connecting shaft fixing seat 550, and the connecting shaft fixing seat 550 is used for fixing the translation connecting shaft 540.

The upper plate 331 and the lower plate 332 are provided with notches 301 corresponding to each other, an outer connecting plate 302 is arranged between the upper plate 331 and the lower plate 332, the outer connecting plate 302 is positioned outside the opening of the notch 301, a screw nut 303 is fixed on the outer connecting plate 302, and a slider screw 304 is arranged on the screw nut 303; the top of the upper plate 331 is fixed with upper sliding block guide strips 305 positioned at two sides of the notch 301, an upper sliding block 306 is arranged between the upper sliding block guide strips 305, and the top of the upper sliding block 306 is fixed with a second speed reducing motor 350; the top of the lower plate 332 is fixed with lower sliding block guide bars 307 positioned at two sides of the notch 301, a lower sliding block 308 is arranged between the lower sliding block guide bars 307, and a wheel shaft of the electro-optic wheel 320 penetrates through the lower sliding block 308 and is connected with a second speed reduction motor 350; an inner connecting plate 309 is connected between the upper slider 306 and the lower slider 308, the inner connecting plate 309 is located in the notch 301, one end of the slider screw rod 304 is fixed on the inner connecting plate 309 through a bearing seat 3010, the other end of the slider screw rod 304 is provided with a hand wheel 3011, the slider screw rod 304 pulls the inner connecting plate 309 through rotating the hand wheel 3011, the upper slider 306 and the lower slider 308 respectively slide between the upper slider guide bars 305 and the lower slider guide bars 307, and the distance between the photoelectric wheel 320 and the coating wheel 310 is adjusted.

Referring to fig. 6-7, the conveying wheel set 200 includes a driving rubber wheel 210, a first conveying rubber wheel 220, a transition rubber wheel 230, a second conveying rubber wheel 240, and a driven rubber wheel 250, and the UV coating wheel set 300 is located between an end of the first conveying rubber wheel 220 and an end of the transition rubber wheel 230; the driving rubber wheel 210 rotates through the driving motor 260, a chain wheel is arranged at the other wheel shaft end of the driving rubber wheel 210, chain wheels are arranged at the two wheel shaft end parts of the first conveying rubber wheel 220, and the chain wheels on the first conveying rubber wheel 220 are linked with the chain wheels of the driving rubber wheel 210 through chains; the transition rubber tyer 230, the second transport rubber tyer 240 are equipped with the sprocket that is located the homonymy with driven rubber tyer 250, and three sprocket is equipped with to second transport rubber tyer 240 shaft end, and one of two sprockets of second transport rubber tyer 240 passes through the chain linkage with the sprocket on transition rubber tyer 230, and another one of three sprockets of second transport rubber tyer 240 passes through the chain linkage with another sprocket on first transport rubber tyer 220, and the third of three sprockets on second transport rubber tyer 240 passes through the chain linkage with the sprocket on driven rubber tyer 250.

Referring to fig. 8, in order to ensure that the bed master plate conveying process does not deviate and simultaneously roll-coat two bed master plates, the device further comprises a first guide wheel group rod 801, a second guide wheel group rod 901, a third guide wheel group rod 1001, a first anti-deviation wheel group rod 701, a second anti-deviation wheel group rod 702, the moving track of the bed mother board in the conveying process is kept to be straight through the first guide wheel set rod 801, the second guide wheel set rod 901 and the third guide wheel set rod 1001, the bed mother board is pressed to the conveying wheel set 200 through a first anti-deviation wheel set rod 701 and a second anti-deviation wheel set rod 702, so that the bed mother board is prevented from slipping on the conveying wheel set 200, two sets of rods are adopted for a first guide wheel set rod 801 and are fixed above two ends of the conveying wheel set 200, and a first anti-deviation wheel set rod 701, a second guide wheel set rod 901, a second anti-deviation wheel set rod 702 and a third guide wheel set rod 1001 are sequentially arranged between the two sets of rods and the first guide wheel set rod 801;

referring to fig. 9, two support guide rods 710 and two pinch roller guide rods 720 are arranged above a first anti-deviation wheel set rod 701 and a second anti-deviation wheel set rod 702, the first anti-deviation wheel set rod 701 and the second anti-deviation wheel set rod 702 are connected by the two support guide rods 710, the two support guide rods 710 are arranged above the first anti-deviation wheel set rod 701 and the second anti-deviation wheel set rod 702, lifting dovetail sliders 730 are arranged at two ends of the two support guide rods 710, the lifting dovetail sliders 730 are slidably arranged in lifting dovetail chutes 740, lifting threaded rods 780 are arranged in the lifting dovetail sliders 730, first helical gears 750 are arranged at top ends of the lifting threaded rods 780, second helical gears 760 are engaged with the first helical gears 750, the second helical gears 760 are arranged at two ends of the two pinch roller guide rods 720, a lifting adjusting hand wheel 770 is arranged at one end of the two pinch roller guide rods 720, the two pinch roller guide rods 720 are mutually linked to rotate the lifting adjusting hand wheel 770, the second helical gear 760 drives the first helical gear 750 to rotate, and the lifting screw 430 mounted on the first helical gear 750 rotates, so that the lifting dovetail slide block 730 slides up and down in the lifting dovetail slide groove 740, and the first anti-deviation wheel set rod 701 and the second anti-deviation wheel set rod 702 press against the bed motherboard.

Referring to fig. 10, the second guide wheel set bar 901 is connected to two gantries 910 fixed on the frame 100, the two gantries 910 are respectively provided with an upper dovetail sliding groove 920, the two upper dovetail sliding grooves 920 are respectively provided with an upper dovetail sliding block 930 in a sliding manner, the two upper dovetail sliding blocks 930 are connected with the second guide wheel set bar 901, the two upper dovetail sliding blocks 930 are respectively provided with an upper screw 940, the two upper screws 940 are mutually linked, the two upper screws 940 are respectively provided with an upper adjusting hand wheel 950, the upper screws 940 are rotated by rotating the upper adjusting hand wheels 950, the upper dovetail sliding blocks 930 arranged on the upper screws 940 move in the upper dovetail sliding grooves 920, and therefore the distance between the second guide wheel set bar 901 and the lateral side of the bed plate is adjusted.

Referring to fig. 11, the bottom of the third guide wheel set rod 1001 is connected with two fixed beams 1100 fixed on the frame 100, the two fixed beams 1100 are respectively provided with a lower dovetail sliding groove 1200, the two lower dovetail sliding grooves 1200 are respectively provided with a lower dovetail sliding block 1300 in a sliding manner, the lower dovetail sliding blocks 1300 are connected with the third guide wheel set rod 1001, the two lower dovetail sliding blocks 1300 are respectively provided with a lower screw 1400, the two lower screws 1400 are mutually linked, the two lower screws 1400 are respectively provided with a lower adjusting hand wheel 1500, the lower adjusting hand wheel 1500 is rotated to enable the lower screws 1400 to rotate, the lower dovetail sliding blocks 1300 arranged below the lower screws 1400 move in the lower dovetail sliding grooves 1200, and therefore the distance between the third guide wheel set rod 1001 and the side edge of the bed platter is adjusted.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A bed master roll-coating apparatus, comprising:

a frame (100);

the conveying wheel set (200), the conveying wheel set (200) is arranged on the rack (100);

the UV coating wheel sets (300) are arranged at two ends of a wheel shaft of the conveying wheel set (200);

the height adjusting mechanisms (400) adopt two groups and are used for adjusting the heights of the two groups of UV coating wheel sets (300);

the translation adjusting mechanisms (500) are two groups, and are used for adjusting the front and back positions of the two groups of UV coating wheel sets (300);

the depth adjusting mechanism (600) adopts two groups and is used for adjusting the depth of the two groups of UV coating wheel sets (300).

2. The roll coating device for the bed motherboard according to claim 1, wherein the UV coating wheel set (300) comprises a coating wheel (310) and an electro-optic wheel (320), the coating wheel (310) and the electro-optic wheel (320) are mounted on a base (330), the base (330) is connected with the translation adjusting mechanism (500), the translation adjusting mechanism (500) is mounted on the top of the depth adjusting mechanism (600), and the bottom of the depth adjusting mechanism (600) is connected with the height adjusting mechanism (400).

3. The roll coating device for the bed motherboard according to claim 2, wherein the height adjusting mechanism (400) comprises a height adjusting dovetail groove (410), a height adjusting dovetail slider (420), a lifting screw (430) and a lifting speed reducer (440), the height adjusting dovetail groove (410) is fixed on the frame (100), the height adjusting dovetail slider (420) is installed at the bottom of the depth adjusting mechanism (600), the lifting screw (430) is fixed at the bottom of the height adjusting dovetail slider (420), the lifting screw (430) is installed on the lifting speed reducer (440), and the lifting speed reducer (440) is provided with a lifting speed reducer motor (450).

4. A bed-platter roller coating apparatus as claimed in claim 3, characterized in that the linkage rods (460) are installed between the lifting reducers (440).

5. The roll coating device for the bed main board according to claim 2, wherein the translation adjusting mechanism (500) comprises a manual speed reducer (510) and a rotary cylinder (520), the rotary cylinder (520) is connected with the manual speed reducer (510) through a fixing plate (530), a translation connecting shaft (540) is mounted on the manual speed reducer (510), one end of the translation connecting shaft (540) is mounted in the rotary cylinder (520), and the other end of the translation connecting shaft (540) is fixed on the base (330).

6. The bed-plate roll coating device according to claim 2, wherein the depth adjusting mechanism (600) comprises a depth adjusting dovetail slider (610), a depth adjusting dovetail groove seat (620), a dovetail hand wheel rod (630) and a depth hand wheel (640), the depth adjusting dovetail slider (610) is slidably mounted on the depth adjusting dovetail groove seat (620), the thread section of the dovetail hand wheel rod (630) is threadedly mounted in the depth adjusting dovetail slider (610), and the polish rod section of the dovetail hand wheel rod (630) penetrates through the depth adjusting dovetail groove seat (620) and then is connected with the depth hand wheel (640).

7. The roll coating device for a bed motherboard according to claim 5, wherein the machine base (330) comprises an upper plate (331), a lower plate (332) and a connecting rod (333), the upper plate (331) is connected with the lower plate (332) through the connecting rod (333), the top of the upper plate (331) is respectively provided with a first speed reducing motor (340) and a second speed reducing motor (350), the first speed reducing motor (340) is used for driving the coating wheel (310), the second speed reducing motor (350) is used for driving the electro-optic wheel (320), the lower plate (332) is fixed with a connecting shaft fixing seat (550), and the connecting shaft fixing seat (550) is used for fixing the translation connecting shaft (540).

8. The roll coating device for a bed plate according to claim 7, wherein the upper plate (331) and the lower plate (332) are provided with notches (301) corresponding to each other, an external connecting plate (302) is arranged between the upper plate (331) and the lower plate (332), the external connecting plate (302) is positioned outside the notches (301), a lead screw nut (303) is fixed on the external connecting plate (302), and a slider lead screw (304) is arranged on the lead screw nut (303); the top of the upper plate (331) is fixedly provided with upper sliding block guide strips (305) positioned at two sides of the notch (301), an upper sliding block (306) is arranged between the two upper sliding block guide strips (305), and the top of the upper sliding block (306) is fixedly provided with the second speed reducing motor (350); lower sliding block guide bars (307) positioned at two sides of the notch (301) are fixed at the top of the lower plate (332), lower sliding blocks (308) are arranged between the lower sliding block guide bars (307), and wheel shafts of the electro-optic wheels (320) penetrate through the lower sliding blocks (308) and are connected with the second speed reducing motor (350); an inner connecting plate (309) is connected between the upper sliding block (306) and the lower sliding block (308), the inner connecting plate (309) is located in the notch (301), one end of the sliding block screw rod (304) is fixed on the inner connecting plate (309) through a bearing seat (3010), and a hand wheel (3011) is mounted at the other end of the sliding block screw rod (304).

9. The bed-motherboard roller coating apparatus according to claim 1, wherein said conveying wheel set (200) comprises a driving rubber wheel (210), a first conveying rubber wheel (220), a transition rubber wheel (230), a second conveying rubber wheel (240), a driven rubber wheel (250), said UV coating wheel set (300) is located between the wheel axle ends of said first conveying rubber wheel (220) and said transition rubber wheel (230); the driving rubber wheel (210) rotates through a driving motor (260), the driving rubber wheel (210) is mutually linked with the first conveying rubber wheel (220), and the first conveying rubber wheel (220) is further mutually linked with the transition rubber wheel (230) and the driven rubber wheel (250) respectively.

10. The roll coating device for the bed plate according to claim 1, further comprising a first anti-deviation wheel set rod (701) and a second anti-deviation wheel set rod (702) which press against the conveying wheel set (200), wherein two support guide rods (710) and two pinch roller guide rods (720) are arranged above the first anti-deviation wheel set rod (701) and the second anti-deviation wheel set rod (702), the two support guide rods (710) connect the first anti-deviation wheel set rod (701) and the second anti-deviation wheel set rod (702), two lifting dovetail sliders (730) are arranged at two ends of each support guide rod (710), the lifting dovetail sliders (730) are slidably arranged in a lifting sliding chute (740), a lifting threaded rod (780) is arranged in the lifting dovetail sliders (730), a first helical gear (750) is arranged at the top end of the lifting threaded rod (780), and a second helical gear (760) is engaged with the first helical gear (750), the second helical gear (760) is arranged at two ends of the two pinch roller guide rods (720), a lifting adjusting hand wheel (770) is arranged at one end of the two pinch roller guide rods (720), and the two pinch roller guide rods (720) are mutually linked.

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