Printing ink cleaning device of plastic printing machine

Abstract

The utility model relates to a printing ink cleaning device of a plastic printing machine, which aims to solve the technical problem that the cleaning effect of a current printing roller is limited and comprises a support, the upper end of the inner side of the support is horizontally and rotatably connected with the printing roller, and a driving motor is fixedly connected above one side of the support. In the rotating process of the printing roller, the rotating disc can be driven to rotate, when a protruding block on the outer side of the rotating disc rotates to the bottom end, an adjusting block can be pushed to move downwards, the rotating disc is driven to rotate, the rotating disc is driven to rotate, and the printing roller is driven to rotate. Furthermore, the connecting rod can push the scraping plate to move downwards to be separated from the printing roller through the sliding strip, the scraping plate is slidably connected with the cleaning groove in the middle of the cleaning strip, the cleaning strip can automatically clean the scraping plate in the downward moving process, and it is avoided that ink generated by cleaning the printing roller through the scraping plate is accumulated on the outer side of the scraping plate, and the use effect of the scraping plate is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of printing machine, concretely is a kind of ink cleaning device of plastic printing machine. BACKGROUND

[0002] The printing roller of printing machine is easy to remain some ink on the surface of printing roller in use process, after accumulation condensation, it is easy to make the uneven surface of printing roller, affect the quality of the plastic finished product printed, therefore must clean printing roller in time.

[0003] According to the disclosed patent CN209008182U, a kind of ink cleaning and recovery device of plastic printing machine, it is characterized in that, including printing machine body, first air cylinder, ink barrel, water tank, collection tank, first conveying pipe and waste ink collection tank, the first air cylinder with the ink barrel are located outside the printing machine body, the first air cylinder is set in the one side of the printing machine body by fixed frame, the ink barrel is located the other side of the printing machine body, ink barrel side wall upper portion is equipped with ink outlet.

[0004] In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art have not been solved, the above-mentioned case drives the moving scraper by the first air cylinder, so that the scraper is attached to the surface of the printing roller, at the same time, the second air cylinder drives the cleaning device to move, so that the bristles are attached to the surface of the printing roller, but in the process of use, the ink generated by the scraper cleaning the printing roller is easy to accumulate on the surface of the scraper, which affects the cleaning effect of the scraper on the printing roller. Therefore, a new technical solution needs to be designed to solve the problem. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the shortcomings of the prior art, adapting to the actual needs, providing an ink cleaning device for a plastic printing machine to solve the technical problem of limited cleaning effect of the current printing roller.

[0006] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: a kind of ink cleaning device of plastic printing machine is designed, including support, the upper end of the inner side of support is rotatably connected with printing roller, the upper side of one side of support is fixedly connected with driving motor, the shaft end of driving motor is fixedly connected with one end of printing roller, the bottom side of printing roller is vertically provided with scraper;First cleaning mechanism: for the cleaning of residual ink outside printing roller, the cleaning mechanism includes spring, the bottom end of scraper is fixedly installed with slide bar, the lower side of both sides of support is vertically penetrated and is provided with sliding groove, the side of support away from driving motor is fixedly installed with positioning block, the upper surface of positioning block is vertically penetrated and is provided with connecting groove, the inner side of connecting groove is slidably connected with connecting rod, the bottom end of connecting rod is fixedly connected with one end of slide bar placed outside support, the top end of connecting rod is fixedly installed with adjusting block, spring is placed at the bottom side of adjusting block;Second cleaning mechanism: for cleaning ink accumulated outside scraper, the second cleaning mechanism includes cleaning strip and carousel, the lower end of cleaning strip is fixedly installed in the inner side of support, the middle part of cleaning strip is horizontally penetrated and is provided with cleaning groove, scraper is slidably connected with cleaning groove, the middle part of carousel is fixedly connected with one end of printing roller away from driving motor, the outer side of carousel is fixedly installed with protruding block, protruding block and carousel are movably connected with adjusting block.

[0007] Preferably, the inner wall of the cleaning groove is bonded with a rubber pad, which is attached to the outer side of the scraper.

[0008] Preferably, the bottom end of the inner wall of the support is provided with a collection groove, and a collection pipe is installed through the bottom end of the inner wall on one side of the collection groove.

[0009] Preferably, the spring is sleeved on the outer side of the connecting rod, and the two ends of the spring are fixedly connected with the bottom side of the adjusting block and the upper surface of the positioning block, respectively.

[0010] Preferably, the two ends of the slide bar are slidably connected with the sliding grooves on both sides of the support, and the cleaning strip is placed above the slide bar.

[0011] Preferably, the top end of the printing roller is horizontally provided with a pressure roller, and the front side of the printing roller is horizontally provided with an ink spray pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1.The utility model discloses a connecting rod and connecting groove sliding connection through the spring elasticity, can promote the adjustment piece to move up to drive the scraper surface of the sliding bar to move up and be in close contact on the outside of printing roller, when the printing of driving motor driving printing roller rotation, the scraper can clean the ink remaining on the outside of printing roller automatically, can drive the rotary table to rotate in the rotation process of printing roller, when the lug of rotary table rotates to the bottom, can promote the adjustment piece to move down, further connecting rod can promote the scraper to move down and separate from printing roller through the sliding bar, through the sliding connection of the cleaning groove in the middle part of scraper and cleaning strip, the cleaning strip can clean the scraper in the process of moving down automatically, avoid the ink produced by the scraper cleaning printing roller to accumulate on the outside of scraper, influence the use effect of scraper.

[0014] 2.The utility model discloses a rubber pad is bonded on the inner wall of cleaning groove, and the rubber pad is pasted with the outside of scraper, can improve the cleaning effect of cleaning strip to the outside of scraper, and the ink produced by the cleaning of cleaning strip scraper falls into the collection groove in the inner wall of support bottom end through the chamfer of cleaning strip top and is collected. DRAWINGS

[0015] Fig. 1 It is the structure schematic diagram of the utility model;

[0016] Fig. 2 It is the front view of the utility model;

[0017] Fig. 3 It is the section view of the utility model;

[0018] In the drawing: 1, support;11, printing roller;12, driving motor;13, compression roller;14, ink spray pipe;15, scraper;16, sliding bar;2, rotary table;21, lug;22, positioning block;23, connecting groove;24, connecting rod;25, adjustment piece;26, spring;27, sliding slot;3, cleaning strip;31, cleaning groove;32, rubber pad;33, collection groove;34, collection pipe. DETAILED DESCRIPTION

[0019] The utility model is further explained in connection with the drawings and examples:

[0020] A kind of ink cleaning device of plastic printing machine, refer to Figs. 1-3The utility model provides an ink cleaning device of plastic printing machine, including support 1, the upper end horizontal rotation connection of inside support 1 has printing roller 11, the upper side fixed connection of one side of support 1 has drive motor 12, the axle end of drive motor 12 is fixedly connected with one end of printing roller 11, and the bottom side vertical of printing roller 11 is provided with scraper 15, first cleaning mechanism: the cleaning of residual ink for the outside of printing roller 11, and the cleaning mechanism includes spring 26, the bottom end horizontal fixed mounting of scraper 15 has slide 16, and the lower side vertical through -going of both sides of support 1 is provided with slide groove 27, and the both ends of slide 16 are slidably connected with the slide groove 27 of both sides of support 1, and the side fixed mounting of support 1 away from drive motor 12 has locating block 22, and the upper surface vertical through -going of locating block 22 is provided with connecting groove 23, and the inner side slidably connected of connecting groove 23 has connecting rod 24, and the bottom end of connecting rod 24 is fixedly connected with one end of slide 16 placed on the outside of support 1, and the top end fixed mounting of connecting rod 24 has adjusting block 25, and spring 26 is placed on the bottom side of adjusting block 25.

[0021] Through the sliding connection of connecting rod 24 and connecting groove 23, the both ends of slide 16 are slidably connected with the slide groove 27 of both sides of support 1, and by the elastic force of spring 26, adjusting block 25 can be pushed to move up, so as to drive the scraper 15 on the surface of the bottom end slide 16 of connecting rod 24 to move up and abut against the outside of printing roller 11, when drive motor 12 drives printing roller 11 to rotate and print, scraper 15 can automatically clean the residual ink on the outside of printing roller 11, avoid the residual ink to accumulate on the outside of printing roller 11, influence printing quality.

[0022] Specifically, referring to Figs. 1-3 Second cleaning mechanism: for cleaning the ink accumulated on the outside of scraper 15, the second cleaning mechanism includes cleaning strip 3 and turntable 2, cleaning strip 3 is horizontally fixedly installed on the lower end of the inside of support 1, cleaning strip 3 is placed above slide 16, cleaning groove 31 is horizontally through -going in the middle of cleaning strip 3, scraper 15 is slidably connected with cleaning groove 31, the middle of turntable 2 is fixedly connected with the end of printing roller 11 away from drive motor 12, convex block 21 is fixedly installed on the outside of turntable 2, and convex block 21 and turntable 2 are movably connected with adjusting block 25.

[0023] When the printing roller 11 rotates, the rotating disc 2 can be driven to rotate, when the protrusion 21 on the outer side of the rotating disc 2 rotates to the bottom end, the adjusting block 25 can be pushed to move downward, the connecting rod 24 can further push the scraper 15 to move downward and separate from the printing roller 11 through the sliding strip 16, through the sliding connection between the scraper 15 and the cleaning groove 31 in the middle of the cleaning strip 3, the cleaning strip 3 can automatically clean the scraper 15 in the downward movement process, to avoid the ink accumulated on the outer side of the scraper 15 during the cleaning of the printing roller 11, affecting the use effect of the scraper 15, it should be noted that the protrusion 21 on the outer side of the rotating disc 2 corresponds to the non-printing area on the outer side of the printing roller 11, to ensure that the scraper 15 can clean the printing area on the outer side of the printing roller 11, when the rotating disc 2 drives the protrusion 21 to separate from the adjusting block 25, through the elastic force of the spring 26, the top end of the scraper 15 can be pushed to abut against the outer side of the printing roller 11 again for cleaning work, with high automation degree.

[0024] Further, referring to Figs. 1-3 , the inner wall of the cleaning groove 31 is bonded with a rubber pad 32, the rubber pad 32 is attached to the outer side of the scraper 15, the bottom end of the inner wall of the bracket 1 is provided with a collecting groove 33, and the collecting pipe 34 is installed through the bottom end of the inner wall on one side of the collecting groove 33.

[0025] Through the inner wall of the cleaning groove 31 bonded with the rubber pad 32, the rubber pad 32 is attached to the outer side of the scraper 15, which can improve the cleaning effect of the cleaning strip 3 on the ink on the outer side of the scraper 15, the ink generated by the cleaning of the scraper 15 by the cleaning strip 3 can be collected in the collecting groove 33 at the bottom end of the inner wall of the bracket 1 through the chamfer at the top end of the cleaning strip 3.

[0026] It should be noted that, referring to Figs. 1-3 , the spring 26 is sleeved on the outer side of the connecting rod 24, and the two ends of the spring 26 are fixedly connected with the bottom side of the adjusting block 25 and the upper surface of the positioning block 22 respectively, the connecting rod 24 can limit the spring 26, to avoid the spring 26 from tilting during compression and stretching, affecting the cleaning effect of the scraper 15 on the printing roller 11.

[0027] It should be noted that, referring to Figs. 1-3 , the top end of the printing roller 11 is horizontally provided with a pressure roller 13, and the front side of the printing roller 11 is horizontally provided with an ink spray pipe 14, through the corresponding telescopic mechanism, the pressure roller 13 can be pushed to move downward to extrude the plastic film on the outer side of the printing roller 11, the corresponding ink pump is controlled to work, and the ink can be uniformly sprayed on the outer side of the printing roller 11 through the nozzles on the outer side of the ink spray pipe 14.

[0028] In addition, the components designed in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can completely realize without redundancy, and the content protected by the utility model does not involve improvement of internal structure and method.

[0029] The utility model discloses the embodiment discloses the preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, very easily according to the above -mentioned embodiment, the spirit of the utility model is appreciated, and different is drawn and changes, but as long as not departing from the spirit of the utility model, all are in the protection scope of the utility model.

Claims

1. An ink cleaning device for a plastic printer comprising a support (1), characterized in that, The upper end of the bracket (1) is horizontally connected with a printing roller (11), the upper side of the bracket (1) is fixedly connected with a driving motor (12), the shaft end of the driving motor (12) is fixedly connected with one end of the printing roller (11), and the bottom side of the printing roller (11) is vertically provided with a scraper (15). The first cleaning mechanism is used for cleaning the residual ink on the outside of the printing roller (11), and the cleaning mechanism comprises a spring (26), the bottom end of the scraper (15) is fixedly installed with a sliding bar (16), the lower side of the bracket (1) is vertically provided with a sliding groove (27), the side of the bracket (1) away from the driving motor (12) is fixedly installed with a positioning block (22), the upper surface of the positioning block (22) is vertically provided with a connecting groove (23), the inner side of the connecting groove (23) is slidably connected with a connecting rod (24), the bottom end of the connecting rod (24) is fixedly connected with one end of the sliding bar (16) on the outside of the bracket (1), the top end of the connecting rod (24) is fixedly installed with an adjusting block (25), and the spring (26) is arranged on the bottom side of the adjusting block (25). The second cleaning mechanism is used for cleaning the accumulated ink on the outside of the scraper (15), and the second cleaning mechanism comprises a cleaning strip (3) and a rotating disc (2), the cleaning strip (3) is fixedly installed at the lower end of the inside of the bracket (1), the middle part of the cleaning strip (3) is vertically provided with a cleaning groove (31), the scraper (15) is slidably connected with the cleaning groove (31), the middle part of the rotating disc (2) is fixedly connected with one end of the printing roller (11) away from the driving motor (12), the outer side of the rotating disc (2) is fixedly installed with a protruding block (21), and the protruding block (21) and the rotating disc (2) are movably connected with the adjusting block (25).

2. An ink cleaning device for a plastic printer as claimed in claim 1, wherein, The inner wall of the cleaning groove (31) is bonded with a rubber pad (32), and the rubber pad (32) is attached to the outer side of the scraper (15).

3. An ink cleaning device for a plastic printer as defined in claim 1, characterized in that The bottom end of the inner wall of the bracket (1) is provided with a collecting groove (33), and the bottom end of the inner wall of one side of the collecting groove (33) is provided with a collecting pipe (34).

4. An ink cleaning device for a plastic printer as defined in claim 1, characterized in that The spring (26) is sleeved on the outer side of the connecting rod (24), and the two ends of the spring (26) are fixedly connected with the bottom side of the adjusting block (25) and the upper surface of the positioning block (22) respectively.

5. An ink cleaning device for a plastic printer as defined in claim 1, wherein The two ends of the sliding bar (16) are slidably connected with the sliding grooves (27) on the two sides of the bracket (1), and the cleaning strip (3) is arranged above the sliding bar (16).

6. An ink cleaning device for a plastic printer as defined in claim 1, wherein The top end of the printing roller (11) is horizontally provided with a compression roller (13), and the front side of the printing roller (11) is horizontally provided with an ink spraying pipe (14).

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