CN216033219U - Offset press blanket wiper mechanism - Google Patents

Abstract

The utility model discloses a rubber cloth cleaning mechanism of an offset press, which relates to the technical field of offset press equipment and comprises a base, a conveying mechanism, a cleaning mechanism and a fixing mechanism, wherein a first support is arranged on the base; the conveying mechanism is arranged on the base and used for conveying the roller; the cleaning mechanism comprises a feeding assembly and a cleaning assembly, the feeding assembly and the cleaning assembly are both arranged on the first support, and the cleaning assembly is positioned below the feeding assembly; the fixing mechanism is arranged on the base and used for clamping and fixing the roller and driving the roller to move relative to the cleaning mechanism. Transport mechanism transports the roller to fixed establishment department, and fixed establishment is fixed with the roller centre gripping, need not the manual work and fixes, and fixed establishment removes the roller to corresponding position after, the feed subassembly provides water and cleaner to wasing the subassembly, washs the subassembly and washs, wipes futilely with water and cleaner respectively to the blanket on the roller, with the printing ink that is difficult to wash with water on the blanket sanitization, the cleaning performance is better.

Description

Offset press blanket wiper mechanism

Technical Field

The utility model relates to the technical field of offset press equipment, in particular to a rubber blanket cleaning mechanism of an offset press.

Background

Rubber blanket, i.e. the covering of the transfer cylinder on the offset printing machine, is a constituent part of the blanket lining. The blanket is a composite product composed of a rubber coating and a base material, and is used by being wrapped around a cylinder in offset lithography, and ink is transferred from a printing plate to a printing material by using the blanket.

The blanket constantly contacts with printing ink and paper in daily printing process, leads to being stained with material such as printing ink, paper hair and paper powder on the blanket, in order not to influence follow-up use, needs wash the blanket, among some existing automatic cleaning equipment, when wasing the blanket, only wash through using water, however, the printing ink of adhesion is difficult to wash with water on the blanket for the cleaning performance is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubber blanket washing mechanism of an offset press, which can better clean rubber blankets.

The utility model provides a rubber blanket cleaning mechanism of an offset press, which is used for cleaning rubber blankets coated on rollers and comprises a base, a conveying mechanism, a cleaning mechanism and a fixing mechanism, wherein a first support is arranged on the base; the conveying mechanism is arranged on the base and used for conveying the roller; the cleaning mechanism comprises a feeding assembly and a cleaning assembly, the feeding assembly and the cleaning assembly are both arranged on the first support, and the cleaning assembly is positioned below the feeding assembly; the fixing mechanism is arranged on the base and used for clamping and fixing the roller and driving the roller to move relative to the cleaning mechanism.

Furthermore, the conveying mechanism comprises a rack, two chain wheel shafts, chain plates and a first motor, wherein the rack is arranged on the base, and the two chain wheel shafts are rotatably arranged on the rack; the chain plates are wound on the two chain wheel shafts, the first motor is arranged on the rack and is in transmission connection with one chain wheel shaft, and the first motor drives one chain wheel shaft to rotate and drives the chain plates to rotate so as to drive the rollers on the chain plates to move.

Further, transport mechanism still includes baffle, spiral axle and torsional spring, and one side of baffle is passed through the spiral axle and is rotated and connect in one side of link joint, and the torsion spring cover is located on the spiral axle, and the one end of torsional spring is connected on the baffle, and the other end of torsional spring is inserted and is located the baffle. The roller fixing mechanism is used for limiting the roller to roll, and avoiding the roller from deviating in position in the transportation process and influencing the roller fixing of the fixing mechanism.

Furthermore, a first slide rail and a second slide rail are arranged on the base, the first slide rail and the second slide rail are respectively arranged on the front side and the rear side of the rack, the first slide rail is horizontally arranged along the left-right direction, and the second slide rail is horizontally arranged along the front-rear direction; the fixing mechanism comprises a sliding plate, a first air cylinder, a third sliding rail, a fixing plate, a second motor, a second air cylinder, a first fixing block, a sliding block, a second fixing block and a third air cylinder, the sliding plate is connected onto the second sliding rail in a sliding mode, and the first air cylinder is arranged on the base and connected with the sliding plate so as to drive the sliding plate to move in the front-back direction; a third sliding rail is horizontally arranged on the sliding plate along the left-right direction, the fixing plate is connected to the third sliding rail in a sliding mode, the second motor is fixedly connected to the fixing plate, the second air cylinder is transversely arranged on the sliding plate and connected to the fixing plate, and the second air cylinder drives the fixing plate to move along the left-right direction; a first fixed block is fixedly arranged on the output end of the second motor, and a first groove is formed in one side, close to the rack, of the first fixed block; the sliding block is connected to the first sliding rail in a sliding mode, the second fixing block is arranged on the sliding block in a rotating mode, a second groove is formed in one side, facing the rack, of the second fixing block, the third air cylinder is arranged on the base and connected to the sliding block, the first air cylinder can drive the first fixing block to move towards the roller on the conveying mechanism, the roller is clamped between the first fixing block and the second fixing block, and the second air cylinder and the third air cylinder can drive the clamped roller to move to the left side of the rack from a chain plate on the top face of the rack so that the cleaning mechanism can clean the roller conveniently.

Specifically, the feeding assembly comprises a water storage shell and a material storage shell, the water storage shell and the material storage shell are both arranged on the first support, liquid outlet nozzles are arranged on the lower end surfaces of the water storage shell and the material storage shell, and one-way valves are arranged in the liquid outlet nozzles; the water storage shell and the material storage shell are simultaneously connected with a reversing valve through a pipeline, and the reversing valve is connected with an air pump to control the water storage shell to supply water and control the material storage shell to supply cleaning agent.

Furthermore, the cleaning assembly comprises a rotating shaft, a third motor, a connecting plate and a sponge strip, the bracket is arranged on the base, two ends of the rotating shaft are respectively and rotatably connected to the bracket, and the third motor is connected to the bracket and is in transmission connection with one end of the rotating shaft; the connecting plate sets up to three duplex winding and locates the outside of pivot, and the sponge strip sets up to three and connects respectively in one side that the pivot was kept away from to three connecting plate.

Preferably, one side of the sponge strip, which is far away from the rotating shaft, is provided with a third groove with an arc-shaped longitudinal section, so that the rubber cloth on the roller can be better cleaned.

Further, the rotating shaft is hollow, a plurality of through holes communicated with the inner cavity of the rotating shaft are formed in one connecting plate, the through holes are arranged at intervals along the axial direction of the rotating shaft, a sliding ring is connected to one end of the rotating shaft, and the sliding ring is connected with an exhaust fan to blow the sponge strips on the corresponding connecting plate.

According to the embodiment of the utility model, the rubber blanket cleaning mechanism of the offset press at least has the following beneficial effects: transport mechanism transports the roller to fixed establishment department, and fixed establishment is fixed with the roller centre gripping, need not the manual work and fixes, and fixed establishment removes the roller to corresponding position after, the feed subassembly provides water and cleaner to wasing the subassembly, washs the subassembly and washs the blanket on the roller with water and cleaner respectively, wipes futilely to can be with being difficult to the sanitization such as printing ink that the water washd on the blanket, the cleaning performance is better.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

FIG. 1 is a top view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the direct fit of the pivot shaft, link plate and torsion spring of the present invention;

FIG. 4 is a right side view of the wash mechanism of the present invention;

FIG. 5 is a piping diagram of the feed assembly of the present invention;

FIG. 6 is a front cross-sectional view of the cleaning mechanism of the present invention.

Reference numerals: the device comprises a base 100, a bracket 110, a frame 201, a chain wheel shaft 202, a chain plate 203, a first motor 204, a baffle plate 205, a rotating shaft 206, a torsion spring 207, a first slide rail 120, a second slide rail 130, a slide plate 301, a first air cylinder 302, a third slide rail 303, a fixing plate 304, a second motor 305, a second air cylinder 306, a first fixing block 307, a sliding block 308, a second fixing block 309, a third air cylinder 310, a first groove 311, a second groove 312, a water storage shell 401, a material storage shell 402, a liquid outlet nozzle 403, a reversing valve 404, an air pump 405, a rotating shaft 406, a third motor 407, a connecting plate 408, a sponge strip 409, a third groove 410, a slip ring 411 and a through hole 412.

Detailed Description

Referring to fig. 1, the rubber blanket cleaning mechanism for an offset printing machine according to the present invention is used for cleaning rubber blankets covering a roller, and comprises a base 100, a transportation mechanism, a cleaning mechanism and a fixing mechanism, wherein a first bracket 110 is arranged on the base 100; the conveying mechanism is arranged on the base 100 and used for conveying the roller; the cleaning mechanism comprises a feeding assembly and a cleaning assembly, the feeding assembly and the cleaning assembly are both arranged on the first support 110, and the cleaning assembly is positioned below the feeding assembly; the fixing mechanism is disposed on the base 100, and is used for clamping and fixing the roller and driving the roller to move relative to the cleaning mechanism.

Transport mechanism transports the roller to fixed establishment department, and fixed establishment is fixed with the roller centre gripping, need not the manual work and fixes, and fixed establishment removes the roller to corresponding position after, the feed subassembly provides water and cleaner to wasing the subassembly, washs the subassembly and washs the blanket on the roller with water and cleaner respectively, wipes futilely to can be with being difficult to the sanitization such as printing ink that the water washd on the blanket, the cleaning performance is better.

Referring to fig. 1 and 2, further, the transportation mechanism includes a frame 201, a sprocket shaft 202, a chain plate 203 and a first motor 204, the frame 201 is disposed on the base 100, and the sprocket shaft 202 is disposed in two and rotatably disposed on the frame 201; the chain plates 203 are wound on the two chain wheel shafts 202, the first motor 204 is arranged on the frame 201 and is in transmission connection with one chain wheel shaft 202, and the first motor 204 drives one chain wheel shaft 202 to rotate and drives the chain plates 203 to rotate so as to drive the rollers on the chain plates 203 to move.

Referring to fig. 3, further, the transportation mechanism further includes a baffle 205, a rotating shaft 206 and a torsion spring 207, one side of the baffle 205 is rotatably connected to one side of the link plate 203 through the rotating shaft 206, the torsion spring 207 is sleeved on the rotating shaft 206, one end of the torsion spring 207 is connected to the baffle 205, and the other end of the torsion spring 207 is inserted into the baffle 205. The roller fixing mechanism is used for limiting the roller to roll, and avoiding the roller from deviating in position in the transportation process and influencing the roller fixing of the fixing mechanism.

Before use, the baffle plates 205 are kept in a vertical position through the torsion spring 207, the roller is positioned between the two baffle plates 205, the roller with the rubber blanket to be cleaned is placed on the chain plates 203, the first motor 204 drives one of the chain wheel shafts 202 to rotate so as to drive the chain plates 203 to rotate, the roller moves towards the fixing mechanism along with the chain plates, when the roller moves, the baffle plates 205 limit the offset and the shaking of the roller, when the roller is positioned between the first fixing block 307 and the second fixing block 309, the first motor 204 stops running, the free end of the first cylinder 302 extends out so that the first fixing block 307 pushes the roller towards the second fixing block 309 until the roller is clamped and fastened by the first fixing block 307 and the second fixing block 309, the second cylinder 306 and the third cylinder 310 drive the roller to approach the cleaning mechanism, during the moving process, the roller pushes the baffle plates 205, the baffle plates 205 are stressed to swing towards the cleaning mechanism until the roller is completely separated from the baffle plates 205, the flapper 205 is returned to its original position by the torsion of the torsion spring 207 to ensure that the roller can move away from the transport mechanism to the cleaning mechanism.

Further, a first slide rail 120 and a second slide rail 130 are arranged on the base 100, the first slide rail 120 and the second slide rail 130 are respectively arranged on the front side and the rear side of the rack 201, the first slide rail 120 is horizontally arranged along the left-right direction, and the second slide rail 130 is horizontally arranged along the front-rear direction; the fixing mechanism comprises a sliding plate 301, a first cylinder 302, a third slide rail 303, a fixing plate 304, a second motor 305, a second cylinder 306, a first fixing block 307, a sliding block 308, a second fixing block 309 and a third cylinder 310, the sliding plate 301 is connected to the second slide rail 130 in a sliding manner, and the first cylinder 302 is arranged on the base 100 and connected to the sliding plate 301 so as to drive the sliding plate 301 to move in the front-back direction; a third slide rail 303 is horizontally arranged on the slide plate 301 along the left-right direction, the fixing plate 304 is connected to the third slide rail 303 in a sliding manner, the second motor 305 is fixedly connected to the fixing plate 304, the second air cylinder 306 is transversely arranged on the slide plate 301, the second air cylinder 306 is connected to the fixing plate 304, and the fixing plate 304 is driven by the second air cylinder 306 to move along the left-right direction; a first fixed block 307 is fixedly arranged at the output end of the second motor 305, and a first groove 311 is formed in one side, close to the rack 201, of the first fixed block 307; the sliding block 308 is slidably connected to the first sliding rail 120, the sliding block 308 is rotatably provided with a second fixing block 309, one side of the second fixing block 309 facing the rack 201 is provided with a second groove 312, the third cylinder 310 is arranged on the base 100 and connected to the sliding block 308, the first cylinder 302 can drive the first fixing block 307 to move towards the roller on the transportation mechanism, the roller is clamped between the first fixing block 307 and the second fixing block 309, and the second cylinder 306 and the third cylinder 310 can drive the clamped roller to move from the chain plate 203 on the top surface of the rack 201 to the left side of the rack 201, so that the roller can be cleaned by the cleaning mechanism.

When the roller is positioned between the first fixing block 307 and the second fixing block 309, the free end of the first air cylinder 302 extends out to push the sliding plate 301 to move towards the rack 201, the first fixing block 307 is close to the roller and pushes the roller to move towards the second fixing block 309 until the first air cylinder 302 stops after the roller is clamped; subsequently, the second cylinder 306 and the third cylinder 310 drive the first fixing block 307 and the second fixing block 309 to move towards the cleaning mechanism, and the cleaning mechanism stops after moving to be located properly, so that manual fixing is not needed, the fixing mechanism can automatically fix the cleaning mechanism, simplicity and convenience are realized, and the labor intensity is reduced.

Referring to fig. 4 to 6, specifically, the feeding assembly includes a water storage shell 401 and a material storage shell 402, the water storage shell 401 and the material storage shell 402 are both disposed on the first support 110, the lower end surfaces of the water storage shell 401 and the material storage shell 402 are both provided with a liquid outlet nozzle 403, and a check valve is disposed in the liquid outlet nozzle 403; the water storage shell 401 and the storage shell 402 are simultaneously connected with a reversing valve 404 through pipelines, and the reversing valve 404 is connected with an air pump 405 to control the water supply of the water storage shell 401 and the detergent supply of the storage shell 402.

Further, the cleaning assembly comprises a rotating shaft 406, a third motor 407, a connecting plate 408 and a sponge strip 409, the bracket 110 is arranged on the base 100, two ends of the rotating shaft 406 are respectively rotatably connected to the bracket 110, and the third motor 407 is connected to the bracket 110 and is in transmission connection with one end of the rotating shaft 406; the connecting plates 408 are arranged in three and are wound on the outer side of the rotating shaft 406, and the sponge strips 409 are arranged in three and are respectively connected to one sides of the three connecting plates 408 far away from the rotating shaft 406.

Wherein the water storage shell 401 is connected with a water tank; the storage shell 402 is connected with a cleaning agent bottle, and can also be directly stored in the storage shell 402, and cleaning agents can be added periodically. The water storage case 401 may supply water to one of the sponge strips 409, and the water storage case 402 may supply detergent to the other sponge strip 409. When the device is used, the fixing mechanism moves the roller to a position where one of the sponge strips 409 is contacted, the third motor 407 controls the rotating shaft 406 to rotate one of the sponge strips 409 to the lower part of the water storage shell 401, the air pump 405 controls the water storage shell to supply water to one of the sponge strips 409 to wet the corresponding sponge strip 409, then the third motor 407 continuously controls the rotating shaft 406 to rotate so that the other sponge strip 409 rotates to the lower part of the water storage shell 402, the air pump 405 controls the water storage shell 402 to coat the cleaning agent on the other sponge strip 409, the third motor 407 drives the water-wetted sponge strip 409 to rotate to one side of the roller, the second motor 305 drives the roller to rotate to wet the rubber blanket on the roller, after wetting, the third motor drives the rotating shaft 406 to rotate so that the sponge strip coated with the cleaning agent rotates to one side of the rubber blanket 407 to coat the cleaning agent on the rubber blanket 409 so as to enable ink on the rubber blanket to be separated from the rubber blanket, subsequently, the third motor 407 controls the rotating shaft 406 to rotate continuously to rotate the clean sponge strip 409 to one side of the roller, so that the dirt on the roller is wiped off, and compared with cleaning only by water, the cleaning effect is better, and the three sponge strips 409 which are independently arranged are more convenient to clean. Water and detergent may be coated on the corresponding sponge strip 409 in advance.

Preferably, a third groove 410 with an arc-shaped longitudinal section is formed in one side of the sponge strip 409 away from the rotating shaft 406, so that one side of the roller is wrapped in the third groove 410, and a rubber blanket on the roller is better cleaned.

The first motor 204, the second motor 305, and the third motor 407 all rotate at a low speed, and may be implemented by using a speed reducer.

Furthermore, the rotating shaft 406 is hollow, a plurality of through holes 412 communicated with the inner cavity of the rotating shaft 406 are formed in one connecting plate 408, the through holes 412 are arranged at intervals along the axial direction of the rotating shaft 406, one end of the rotating shaft 406 is connected with a sliding ring 411, and the sliding ring 411 is connected with an exhaust fan to blow the sponge strip 409 on the corresponding connecting plate 408 for drying, so that the dried sponge strip 409 can be kept dry all the time, and dirt can be cleaned conveniently.

Preferably, a chute is arranged below the left side of the frame 201 between the first fixing block 307 and the second fixing block 309, and the cleaned rollers pass through the lower part of each sponge strip 409 along with the chute, so that the rollers can be conveniently collected and sorted.

One mode of operation of the present invention is as follows: the first motor 204 drives the chain plate 203 to rotate to drive the roller to move, when the roller is positioned between the first fixed block 307 and the second fixed block 309, the first motor 204 stops operating, the first cylinder 302 pushes the sliding plate 301 to move towards the frame 201, so that the first fixed block 307 is close to the roller until the roller is clamped between the first fixed block 307 and the second fixed block 309, after clamping and fixing, the second cylinder 306 and the third cylinder 310 drive the roller to move towards the sponge strip 409 until the sponge strip is close to the roller and then stops moving, the third motor 407 operates to drive the sponge strip 409 wetted by water to rotate to the roller, the second motor 305 drives the slow roller to rotate, after the sponge strip 409 wets the rubber blanket, the third motor 407 drives the sponge strip coated with the cleaning agent to rotate to the roller to clean stains on the roller, and finally the third motor 407 controls the clean sponge strip 409 to rotate to the roller to wipe off the stains on the rubber blanket 409, to clean the blanket.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. The utility model provides an offset press blanket wiper mechanism for wash the blanket of cladding on the roller, a serial communication port, include:

the base (100), the base (100) is provided with a bracket (110);

the conveying mechanism is arranged on the base (100) and used for conveying the roller;

the cleaning mechanism comprises a feeding assembly and a cleaning assembly, the feeding assembly and the cleaning assembly are both arranged on the bracket (110), and the cleaning assembly is positioned below the feeding assembly;

and the fixing mechanism is arranged on the base (100) and used for clamping and fixing the roller and driving the roller to move relative to the cleaning mechanism.

2. The offset printing press blanket washing mechanism as recited in claim 1, further comprising: the conveying mechanism comprises a rack (201), chain wheel shafts (202), chain plates (203) and a first motor (204), wherein the rack (201) is arranged on the base (100), and the two chain wheel shafts (202) are arranged on the rack (201) in a rotating mode; the chain plates (203) are wound on the two chain wheel shafts (202), and the first motor (204) is arranged on the rack (201) and is in transmission connection with one chain wheel shaft (202).

3. The offset printing press blanket washing mechanism as recited in claim 2, further comprising: the conveying mechanism further comprises a baffle (205), a rotating shaft (206) and a torsion spring (207), one side of the baffle (205) is rotatably connected to one side of the chain plate (203) through the rotating shaft (206), the torsion spring (207) is sleeved on the rotating shaft (206), one end of the torsion spring (207) is connected to the baffle (205), and the other end of the torsion spring is inserted into the baffle (205).

4. The offset printing press blanket washing mechanism as recited in claim 3, further comprising:

a first sliding rail (120) and a second sliding rail (130) are arranged on the base (100), the first sliding rail (120) and the second sliding rail (130) are respectively arranged on the front side and the rear side of the rack (201), the first sliding rail (120) is horizontally arranged along the left-right direction, and the second sliding rail (130) is horizontally arranged along the front-rear direction;

the fixing mechanism comprises a sliding plate (301), a first air cylinder (302), a third sliding rail (303), a fixing plate (304), a second motor (305), a second air cylinder (306), a first fixing block (307), a sliding block (308), a second fixing block (309) and a third air cylinder (310), the sliding plate (301) is connected to the second sliding rail (130) in a sliding mode, the first air cylinder (302) is arranged on the base (100) and connected to the sliding plate (301), the third sliding rail (303) is horizontally arranged on the sliding plate (301) along the left-right direction, the fixing plate (304) is connected to the third sliding rail (303) in a sliding mode, the second motor (305) is fixedly connected to the fixing plate (304), and the second air cylinder (306) is transversely arranged on the sliding plate (301) and connected to the fixing plate (304); the output end of the second motor (305) is fixedly provided with the first fixed block (307), and one side of the first fixed block (307) close to the rack (201) is provided with a first groove (311); the sliding block (308) is connected to the first sliding rail (120) in a sliding mode, a second fixing block (309) is arranged on the sliding block (308) in a rotating mode, a second groove (312) is formed in one side, facing the rack (201), of the second fixing block (309), and the third air cylinder (310) is arranged on the base (100) and connected to the sliding block (308).

5. The offset printing press blanket washing mechanism as recited in claim 4, further comprising: the feeding assembly comprises a water storage shell (401) and a material storage shell (402), the water storage shell (401) and the material storage shell (402) are both arranged on the support (110), the lower end faces of the water storage shell (401) and the material storage shell (402) are both provided with liquid outlet nozzles (403), and one-way valves are arranged in the liquid outlet nozzles (403); the water storage shell (401) and the material storage shell (402) are connected with a reversing valve (404) through a pipeline, and the reversing valve (404) is connected with an air pump (405).

6. The offset printing press blanket washing mechanism as recited in claim 5, further comprising: the cleaning assembly comprises a rotating shaft (406), a third motor (407), a connecting plate (408) and a sponge strip (409), two ends of the rotating shaft (406) are respectively rotatably connected to the bracket (110), and the third motor (407) is connected to the bracket (110) and is in transmission connection with one end of the rotating shaft (406); the number of the connecting plates (408) is three, the connecting plates are wound on the outer side of the rotating shaft (406), and the number of the sponge strips (409) is three, and the sponge strips are respectively connected to one sides, far away from the rotating shaft (406), of the three connecting plates (408).

7. The offset printing press blanket washing mechanism as recited in claim 6, further comprising: and a third groove (410) with an arc-shaped longitudinal section is formed in one side of the sponge strip (409) far away from the rotating shaft (406).

8. The offset printing press blanket washing mechanism as recited in claim 7, further comprising: the rotating shaft (406) is hollow, a plurality of through holes (412) communicated with the inner cavity of the rotating shaft (406) are formed in one connecting plate (408), the through holes (412) are arranged at intervals along the axial direction of the rotating shaft (406), one end of the rotating shaft (406) is connected with a sliding ring (411), and the sliding ring (411) is connected with an exhaust fan.

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