CN214774831U - Developing device for plate making - Google Patents

Abstract

The utility model relates to a washing unit is used in plate-making, its technical field who relates to platemaking equipment, this application includes a washing unit is used in plate-making, including wasing the case, be equipped with the centre gripping subassembly that is used for centre gripping version roller between wasing two relative inboard walls of case, it slides and is connected with the cleaning brush to wash the top that is located the centre gripping subassembly between two relative inboard walls of case, be equipped with the drive assembly who is used for driving the reciprocal slide of cleaning brush on the washing case, the top that is located version roller in the washing case has a plurality of shower nozzles through the leading water pipe intercommunication, the external water source of one end of shower nozzle is kept away from to the leading water pipe, the bottom of wasing the case is equipped with the outlet. This application realizes supporting tightly or separating between cleaning brush and the version roller through drive assembly drive cleaning brush along vertical direction slides, helps guaranteeing the supporting tight effect between cleaning brush and version roller to promote the cleaning effect of cleaning brush to version roller.

Description

Developing device for plate making

Technical Field

The application relates to the technical field of plate-making equipment, in particular to a flushing device for plate making.

Background

The plate roller is divided into a hollow roller and a solid roller, a shaft roller and a non-shaft roller, is commonly used for plate making, the surface of the plate roller is provided with patterns carved by an electronic gravure engraving machine, and after a period of use, the surface of the plate roller is easily contaminated by impurities and needs to be cleaned.

Chinese utility model with the authorization bulletin number of CN212046464U discloses a printing roller washing device for plate making process, which comprises a washing tank, wherein a first rotating shaft is rotatably connected on the inner bottom wall of the washing tank, a motor is fixedly connected on the outer bottom wall of the washing tank and is used for driving the first rotating shaft to rotate, a clamping block is fixed on the first rotating shaft, a rubber plug is rotatably connected above the clamping block in the washing tank, during washing, the printing roller is arranged between the clamping block and the rubber plug, a washing tank is arranged on the inner side wall of one side of the washing tank through an extrusion mechanism, a washing brush is arranged on the side wall of the washing tank, the extrusion mechanism comprises a sleeve, a spring, an extrusion block and an extrusion rod, one end of the sleeve is fixed on the inner wall of the washing tank, the spring is arranged in the sleeve, the extrusion block is arranged in the sleeve, one end of the extrusion block is connected with the spring, one end of the extrusion rod extends into the sleeve and is connected with the extrusion block, the other end of the extrusion rod is connected with the cleaning cylinder; the utility model discloses a through the cooperation of extrusion piece, extrusion stem and spring, give and wash certain pressure of brush to it fully washs version roller to wash the brush.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the cleaning brush tightly supports the printing roller by means of the elasticity of the spring, after long-time use, the elasticity of the spring is reduced, so that the tight supporting force between the cleaning brush and the circumferential wall of the printing roller is weakened, and the cleaning effect of the cleaning brush on the printing roller is reduced.

SUMMERY OF THE UTILITY MODEL

The application provides a plate-making washing device in order to solve the problem that the washing effect of a washing brush on a plate roller is reduced.

The application provides a plate-making is with washing unit adopts following technical scheme:

the utility model provides a plate-making is with washing unit, is including wasing the case, be equipped with the centre gripping subassembly that is used for centre gripping version roller between two relative inboard walls of washing case, it is connected with the cleaning brush to slide to be located the top of centre gripping subassembly between two relative inboard walls of washing case, be equipped with the drive assembly who is used for driving the reciprocal sliding of cleaning brush on the washing case, it has a plurality of shower nozzles to wash the top that is located version roller in the case through the leading water pipe intercommunication, the external water source of one end of shower nozzle is kept away from to the leading water pipe, the bottom of wasing the case is equipped with the outlet.

By adopting the technical scheme, the printing roller is clamped in the cleaning box by the clamping assembly, the driving assembly is utilized to drive the cleaning brush to vertically slide downwards until the brushing end of the cleaning brush abuts against the circumferential wall of the printing roller, so that the printing roller is sufficiently cleaned, and the cleaned waste water is discharged from the water outlet; the driving assembly drives the cleaning brush to slide along the vertical direction, so that the tight contact or separation between the cleaning brush and the printing roller is realized, the tight contact between the cleaning brush and the printing roller is ensured, and the cleaning effect of the cleaning brush on the printing roller is improved.

Optionally, the drive assembly includes two screws, one of them the screw rod run through the roof of cleaning brush one end and with cleaning brush threaded connection, another the screw rod run through the roof of the cleaning brush other end and with cleaning brush threaded connection, the one end that the cleaning brush was kept away from to the screw rod all runs through the roof of wasing the case and stretches out outside the washing case, be equipped with on the outer top wall of washing case and be used for driving the synchronous pivoted power supply of two screws.

By adopting the technical scheme, the two screws are driven by the power source to synchronously rotate, so that the two screws drive the cleaning brush to slide in a reciprocating manner along the vertical direction, and the cleaning brush is tightly abutted to or separated from the printing roller.

Optionally, the power supply is including rotating the axis of rotation of connection on wasing the case, the both ends of axis of rotation are all coaxial to be equipped with the worm, the screw rod stretches out the coaxial worm wheel that is equipped with of the outer one end of washing case, worm wheel and worm meshing, the one end of axis of rotation is connected with servo motor.

By adopting the technical scheme, the servo motor is utilized to drive the rotation shaft to rotate forwards and backwards, the rotation shaft drives the worm to rotate, and the worm drives the worm wheel to rotate, so that the worm wheel drives the two screw rods to rotate synchronously, and the structure is simple and stable.

Optionally, the cleaning brush includes brush holder and brush hair felt, the both ends and screw rod one-to-one and threaded connection of brush holder, it is equipped with the opening relative with version roller on the lateral wall of the neighbouring version roller one side of case to wash, it is used for sealing the open-ended and seals the subassembly to wash to be located to be equipped with on the lateral wall of opening one side of case, be equipped with the mounting on the brush holder, the brush hair felt passes through the mounting and can dismantle with the brush holder and be connected.

Through adopting above-mentioned technical scheme, because after a period of use, easily gather impurity on the cleaning brush, utilize the cooperation of sealing the subassembly with wasing the case, make things convenient for the workman to open the opening and change the cleaning brush to guarantee the clean degree of cleaning brush, and then guarantee the cleaning effect of cleaning brush to version roller.

Optionally, be equipped with the draw-in groove on the diapire of brush holder, the top and the draw-in groove inlay card cooperation of brush felt, the mounting includes a plurality of tight bolts that support that distribute on the brush holder lateral wall, support in tight bolt's one end runs through the lateral wall of brush holder and stretches into the draw-in groove, support tight bolt and stretch into the one end in the draw-in groove and support tightly with the brush felt.

Through adopting above-mentioned technical scheme, utilize the draw-in groove to realize spacing at the length direction of brush holder to the brush felt, utilize to support tight bolt to realize spacing to the brush felt in the length direction vertically direction with the brush holder to realize installing and removing fast of brush felt, so that the workman in time changes the brush felt.

Optionally, the closed assembly comprises a closed door hinged to the cleaning box through a hinge, a through hole is formed in the side wall, away from one side of the hinge, of the closed door in a penetrating mode, a rotating rod is connected to the side wall, away from one side of the hinge, of the cleaning box in a rotating mode, a locking block is arranged at one end, away from the cleaning box, of the rotating rod, and the locking block penetrates through the through hole and is matched with the butt of the closed door in a propping mode.

Through adopting above-mentioned technical scheme, when the workman need change the brush felt, rotate earlier the locking piece to relative completely with the perforation, outwards pulling closed door again, simple and convenient.

Optionally, the centre gripping subassembly is including rotating the seat, rotate the seat and run through the lateral wall of wasing the case and rotate with wasing the case and be connected, it is equipped with the spout on the end wall that the seat is located the one end of wasing the incasement to rotate, the slip is connected with flexible stopper in the spout, it is used for driving the power spare that flexible stopper reciprocated to slide to be equipped with on the seat to rotate, it is connected with the chucking piece to rotate on the inside wall of washing case opposite side, be equipped with driving motor on the lateral wall of washing case, driving motor's output shaft and chucking piece coaxial coupling.

By adopting the technical scheme, in an initial state, the distance between the flexible plug and the clamping block is greater than the length of the printing roller, after one end of the printing roller is in clamping fit with the clamping block, a worker drives the flexible plug to slide towards one side of the printing roller until the flexible plug is tightly abutted against the inside of the printing roller by using the power part, and then drives the clamping block to rotate by using the driving motor, and the printing roller synchronously rotates along with the clamping block due to the rotary connection of the rotary seat and the cleaning box, so that the printing roller can be fully cleaned by the cleaning brush; and the length of the flexible plug is adjustable, so that the flushing device is suitable for printing rollers with different lengths.

Optionally, the power part includes the lead screw, the one end of lead screw run through rotate the seat keep away from the end wall of flexible stopper one end and with the lateral wall threaded connection who rotates the seat, the lead screw stretches into one end and the flexible stopper threaded connection in the spout, the one end coaxial coupling that the flexible stopper was kept away from to the lead screw has the drive block, the drive block rotates to be connected on the end wall that rotates the seat.

Through adopting above-mentioned technical scheme, the workman rotates the drive block for the drive block drives the lead screw and rotates, and under the guide effect of spout, makes the lead screw drive flexible stopper along the spout reciprocal slip, thereby realizes supporting tightly and the release of flexible stopper to version roller.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving assembly drives the cleaning brush to slide along the vertical direction, so that the tight contact or separation between the cleaning brush and the printing roller is realized, the tight contact between the cleaning brush and the printing roller is favorably ensured, and the cleaning effect of the cleaning brush on the printing roller is improved;

2. the servo motor is utilized to drive the rotating shaft to rotate forwards and backwards, the rotating shaft drives the worm to rotate, and the worm drives the worm wheel to rotate, so that the worm wheel drives the two screw rods to synchronously rotate, the lifting of the cleaning brush is realized, and the structure is simple and stable;

3. by utilizing the matching of the sealing assembly and the cleaning box, workers can conveniently open the opening to replace the cleaning brush, so that the cleaning degree of the cleaning brush is ensured, and the cleaning effect of the cleaning brush on the printing roller is further ensured;

4. through the matching of the abutting bolt and the clamping groove, the cleaning brush is quickly assembled and disassembled;

5. the worker twists the driving block soon for the driving block drives the lead screw and rotates, and under the guide effect of spout, makes the lead screw drive flexible stopper along the spout reciprocal slip, thereby realizes the chucking of flexible stopper to version roller and releases, and can adapt to the version roller of different length.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram for showing a connection relationship among the cleaning tank, the water pump, the water conduit, the spray head, the plate roller, the clamping assembly, the cleaning brush and the driving assembly in the embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure diagram for showing the connection relationship among the printing roller, the rotating seat, the driving block, the screw rod, the flexible plug, the clamping block and the driving motor in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing the connection relationship among the fixing plate, the servo motor, the rotating shaft, the worm wheel, the screw, and the cleaning brush in the embodiment of the present application.

Fig. 5 is a schematic cross-sectional view of a brush holder, a holding bolt and a bristle mat for embodying the connection of the embodiment of the present application.

FIG. 6 is a schematic structural view of the connection between the closure door and the closure assembly in an embodiment of the present application.

Fig. 7 is an enlarged view at a in fig. 6.

Description of reference numerals: 1. a cleaning tank; 10. an opening; 2. a printing roller; 3. a clamping assembly; 31. a rotating seat; 310. a chute; 32. a flexible plug; 321. a fixed block; 322. a rubber pad; 33. a clamping block; 34. a drive motor; 35. a screw rod; 36. a drive block; 37. a guide block; 4. cleaning brushes; 41. a brush handle; 410. a card slot; 42. brushing felt; 5. a drive assembly; 51. a screw; 52. a rotating shaft; 521. a lug; 53. a worm; 54. a worm gear; 55. a servo motor; 6. a water conduit; 7. a spray head; 8. a water outlet; 9. a closure assembly; 91. a closing door; 910. perforating; 92. a hinge; 93. rotating the rod; 94. a locking block; 11. tightly abutting against the bolt; 12. supporting legs; 13. a water conduit; 131. a fixing ring; 14. a water tank; 15. a water pump; 16. and (7) fixing the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a washing unit for plate-making. Referring to fig. 1 and 2, a washing unit is used in plate-making is including wasing case 1, the diapire four corners fixedly connected with supporting leg 12 of wasing case 1, it is equipped with the centre gripping subassembly 3 that is used for centre gripping version roller 2 to wash between 1 two relative inboard walls of case, it is equipped with cleaning brush 4 to wash the top that lies in centre gripping subassembly 3 in case 1, it is used for driving cleaning brush 4 along the reciprocal drive assembly 5 that slides of vertical direction to wash to be equipped with on the case 1, through solid fixed ring 131 fixedly connected with aqueduct 13 on the interior roof of washing case 1, the intercommunication has a plurality of shower nozzles 7 on the diapire of aqueduct 13, the quantity of shower nozzle 7 uses three as the example in this application, the intercommunication has leading water pipe 6 on the roof of aqueduct 13, leading water pipe 6 keeps away from the one end of aqueduct 13 and runs through the roof of wasing case 1 and stretch out outside washing case 1.

Referring to fig. 2, fixedly connected with water tank 14 on the outer roof of washing case 1, the one end that aqueduct 13 was kept away from to aqueduct 6 runs through the lateral wall of water tank 14 and communicates with water tank 14, the intercommunication has water pump 15 on the aqueduct 6, and water pump 15 fixed connection is on the outer roof of washing case 1, be equipped with the opening 10 relative with centre gripping subassembly 3 on the lateral wall of washing case 1 one side, it is equipped with the closed subassembly 9 that is used for sealing opening 10 on the lateral wall that washing case 1 is located opening 10 one side, be equipped with outlet 8 on the diapire of washing case 1.

Referring to fig. 1 and 2, the worker releases the closing assembly 9 so as to clamp the printing roller 2 from the opening 10 by the clamping assembly 3, and then drives the cleaning brush 4 to lift and lower by the driving assembly 5, so as to realize the abutting and releasing of the cleaning brush 4 and the printing roller 2.

Referring to fig. 2 and 3, the clamping assembly 3 includes a rotating seat 31, a flexible plug 32, a clamping block 33 and a driving motor 34, the rotating seat 31 penetrates through the side wall of the cleaning box 1 and is rotatably connected with the side wall of the cleaning box 1, a sliding groove 310 is formed in the end wall of one end of the rotating seat 31 located in the cleaning box 1, the flexible plug 32 is slidably connected in the sliding groove 310, the flexible plug 32 includes a fixed block 321 and a rubber pad 322, the rubber pad 322 is bonded on the peripheral side wall of the fixed block 321, a guide block 37 is arranged on the peripheral wall of the rubber pad 322, and the guide block 37 is slidably connected with the sliding groove 310.

Referring to fig. 3, a power part for driving the flexible plug 32 to slide back and forth is arranged on the rotating seat 31, the power part includes a screw rod 35, one end of the screw rod 35 sequentially penetrates through the rotating seat 31 and the side wall of the fixing block 321 and is in threaded connection with the fixing block 321, the other end of the screw rod 35 extends out of the rotating seat 31 and is coaxially and fixedly connected with a driving block 36, and the driving block 36 is rotatably connected to the outer side wall of the rotating seat 31.

Referring to fig. 2 and 3, the clamping block 33 is rotatably connected to the inner side wall of the cleaning tank 1 on the side opposite to the flexible plug 32, the longitudinal section of the clamping block 33 is in the shape of an isosceles trapezoid, the driving motor 34 is fixedly connected to the outer side wall of the cleaning tank 1, and the output shaft of the driving motor 34 is coaxially connected to the clamping block 33.

Referring to fig. 2 and 3, when a worker installs the printing roller 2, the worker firstly fits one end of the printing roller 2 with the clamping block 33 in an embedded manner, then rotates the driving block 36, under the guiding action of the chute 310, the lead screw 35 drives the flexible plug 32 to slide towards the printing roller 2 until the flexible plug is tightly plugged with the inner wall of the printing roller 2, and the driving motor 34 drives the clamping block 33 to rotate, so that the clamping block 33 drives the printing roller 2 to rotate.

Referring to fig. 2 and 4, the fixed plate 16 is horizontally extended and fixedly connected above the printing roller 2 on two opposite inner side walls of the cleaning tank 1, the driving assembly 5 includes two screws 51 and a power source for driving the two screws 51 to synchronously rotate, one end of each screw 51 is rotatably connected to the top wall of the fixed plate 16, the other end of each screw 51 penetrates through the bottom wall of one end of the cleaning brush 4 and is in threaded connection with the cleaning brush 4, and one end of each screw 51, which is far away from the fixed plate 16, penetrates through the top wall of the cleaning tank 1 and extends out of the cleaning tank 1.

Referring to fig. 2 and 4, the power source includes a servo motor 55, a rotating shaft 52, two worms 53 and worm wheels 54, the servo motor 55 is fixedly connected to the outer top wall of the washing tank 1, an output shaft of the servo motor 55 is connected to the rotating shaft 52, the rotating shaft 52 is rotatably connected to the outer top wall of the washing tank 1 through two lugs 521, one worm 53 is coaxially and fixedly connected to one end of the rotating shaft 52, the other worm 53 is coaxially and fixedly connected to the other end of the rotating shaft 52, one worm wheel 54 is coaxially and fixedly connected to one end of one screw 51 extending out of the washing tank 1, the other worm wheel 54 is coaxially and fixedly connected to one end of the other worm 53 extending out of the washing tank 1, and the worm wheels 54 are engaged with the worms 53.

Referring to fig. 2 and 4, in an initial state, the cleaning brush 4 is located above the printing roller 2, and when a worker needs to clean the printing roller 2, the servo motor 55 is used to drive the rotation shaft 52 to rotate, the rotation shaft 52 drives the worm 53 to rotate, the worm 53 drives the worm wheel 54 to rotate, so that the worm wheel 54 drives the screw 51 to rotate, the screw 51 drives the cleaning brush 4 to vertically slide downwards to the cleaning brush 4 to be abutted against the printing roller 2, and the cleaning brush 4 is used to clean the rotating printing roller 2.

Referring to fig. 4 and 5, the cleaning brush 4 includes a brush holder 41 and a brush felt 42, a clamping groove 410 is provided on the bottom wall of the brush holder 41, the top end of the brush felt 42 is in clamping fit with the clamping groove 410, a fixing member is provided on the side wall of the brush holder 41, the fixing member includes a fastening bolt 11, and one end of the fastening bolt 11 penetrates through the side wall of the brush holder 41 and is fastened to the brush felt 42; after a certain period of use, when the worker needs to replace the washing brush 4, the tightening bolts 11 are loosened and the brush felt 42 is taken out for replacement.

Referring to fig. 6 and 7, the closing assembly 9 includes a closing door 91, a rotating rod 93 and a locking block 94, one end of the closing door 91 is hinged to the outer side wall of the cleaning tank 1 on one side of the opening 10 through a hinge 92, a through hole 910 is formed in the side wall of the closing door 91 on the side far away from the hinge 92 in a penetrating manner, the rotating rod 93 is rotatably connected to the side wall of the cleaning tank 1 on the side far away from the hinge 92, and one end of the rotating rod 93 on the side far away from the cleaning tank 1 is fixedly connected to the locking block 94.

Referring to fig. 6 and 7, in the initial state, the locking block 94 passes through the through hole 910 and abuts against the closing door 91, and when a worker needs to open the closing door 91, the locking block 94 is rotated to be completely opposite to the through hole 910, and then the worker opens the closing door 91 outwards again so as to install and remove the printing roller 2 or the cleaning brush 4.

The implementation principle of the developing device for plate making in the embodiment of the application is as follows: in an initial state, the cleaning brush 4 is located above the clamping assembly 3, when cleaning the printing roller 2, a worker firstly opens the closing door 91, after one end of the printing roller 2 is in clamping fit with the clamping block 33, the driving block 36 is screwed, the driving block 36 drives the flexible plug 32 to slide towards the printing roller 2 through the lead screw 35, the flexible plug 32 abuts against one end of the printing roller 2 far away from the clamping block 33, the servo motor 55 sequentially drives the rotating shaft 52, the worm 53, the worm wheel 54 and the screw 51 to rotate, the screw 51 drives the cleaning brush 4 to vertically slide downwards to abut against the printing roller 2, the water in the water tank 14 is pumped into the water guide pipe 13 through the water guide pipe 6 by the water pump 15, the spraying head 7 sprays the printing roller 2, meanwhile, the driving motor 34 drives the clamping block 33 to rotate, and the clamping block 33 drives the printing roller 2 to synchronously rotate, so that the cleaning brush 4 cleans the printing roller 2; this application realizes the lift of cleaning brush 4 through drive assembly 5 to guarantee the tight power of support between cleaning brush 4 and the circumference wall of version roller 2, thereby promote the cleaning effect of cleaning brush 4 to version roller 2.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A plate-making developing device is characterized in that: including wasing case (1), be equipped with centre gripping subassembly (3) that are used for centre gripping version roller (2) between the two relative inboard walls of washing case (1), it is connected with cleaning brush (4) to wash the top that lies in centre gripping subassembly (3) between the two relative inboard walls of case (1) and slide, be equipped with on the washing case (1) and be used for driving drive assembly (5) that cleaning brush (4) reciprocated and slide, the top that lies in version roller (2) in washing case (1) has a plurality of shower nozzles (7) through leading water pipe (6) intercommunication, the external water source of one end of shower nozzle (7) is kept away from in leading water pipe (6), the bottom of wasing case (1) is equipped with outlet (8).

2. A plate-making process apparatus according to claim 1, wherein: drive assembly (5) include two screw rods (51), one of them screw rod (51) run through the roof of cleaning brush (4) one end and with cleaning brush (4) threaded connection, another the roof of cleaning brush (4) other end is run through in screw rod (51) and with cleaning brush (4) threaded connection, the one end that cleaning brush (4) were kept away from in screw rod (51) all runs through the roof of wasing case (1) and stretches out outside wasing case (1), be equipped with on the outer top wall of wasing case (1) and be used for driving two screw rod (51) synchronous pivoted power supplies.

3. A plate-making process apparatus according to claim 2, wherein: the power supply is including rotating axis (52) of connection on wasing case (1), the both ends of axis of rotation (52) are all coaxial being equipped with worm (53), screw rod (51) stretch out and wash the outer one end coaxial worm wheel (54) that is equipped with of case (1), worm wheel (54) and worm (53) meshing, the one end of axis of rotation (52) is connected with servo motor (55).

4. A plate-making process apparatus according to claim 2, wherein: cleaning brush (4) are including brush holder (41) and brush hair felt (42), the both ends and screw rod (51) one-to-one and threaded connection of brush holder (41), be equipped with opening (10) relative with version roller (2) on the lateral wall of washing case (1) neighbouring version roller (2) one side, it is equipped with on the lateral wall that is located opening (10) one side to wash case (1) and is used for sealing the closed subassembly (9) of opening (10), be equipped with the mounting on brush holder (41), brush hair felt (42) can be dismantled with brush holder (41) through the mounting and be connected.

5. A plate-making process apparatus according to claim 4, wherein: be equipped with draw-in groove (410) on the diapire of brush holder (41), the top and draw-in groove (410) inlay card cooperation of brushing felt (42), the mounting includes a plurality of tight bolts (11) of supporting that distribute on brush holder (41) lateral wall, support the one end of tight bolt (11) and run through the lateral wall of brush holder (41) and stretch into in draw-in groove (410), support the one end that tight bolt (11) stretched into in draw-in groove (410) and support tightly with brushing felt (42).

6. A plate-making process apparatus according to claim 4, wherein: seal subassembly (9) including articulating through hinge (92) and closing door (91) on wasing case (1), it is equipped with perforation (910) to run through on the lateral wall of hinge (92) one side is kept away from in closing door (91), it is connected with dwang (93) to wash to rotate on the lateral wall of hinge (92) one side is kept away from in case (1), the one end that washs case (1) is kept away from in dwang (93) is equipped with latch segment (94), latch segment (94) pass perforation (910) and close door (91) butt cooperation.

7. A plate-making process apparatus according to claim 1, wherein: centre gripping subassembly (3) are including rotating seat (31), rotate seat (31) and run through the lateral wall of wasing case (1) and rotate with wasing case (1) and be connected, it is equipped with spout (310) on the end wall that rotates seat (31) and be located the one end of wasing case (1), spout (310) internal slipping is connected with flexible stopper (32), be equipped with the power spare that is used for driving flexible stopper (32) reciprocal slip on rotating seat (31), it is connected with chucking piece (33) to rotate on the inside wall of washing case (1) opposite side, be equipped with driving motor (34) on the lateral wall of wasing case (1), the output shaft and chucking piece (33) coaxial coupling of driving motor (34).

8. A plate-making process apparatus according to claim 7, wherein: the power part includes lead screw (35), the one end of lead screw (35) run through rotate seat (31) keep away from the end wall of flexible stopper (32) one end and with the lateral wall threaded connection who rotates seat (31), lead screw (35) stretch into one end and flexible stopper (32) threaded connection in spout (310), the one end coaxial coupling that flexible stopper (32) were kept away from in lead screw (35) has drive block (36), drive block (36) rotate to be connected on the end wall that rotates seat (31).

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