CN216423841U

CN216423841U - Ink scraping and cleaning device for spray head of digital printing machine

Info

Publication number: CN216423841U
Application number: CN202122073388.6U
Authority: CN
Inventors: 卢明杰; 徐亿干
Original assignee: Hangzhou Honghua Digital Technology Stock Co Ltd
Current assignee: Hangzhou Honghua Digital Technology Stock Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-05-03
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a spray head ink scraping and cleaning device of a digital printing machine, which comprises a cleaning ink receiving box, wherein at least two sets of ink scraping driving components are installed in the cleaning ink receiving box, the two sets of ink scraping driving components are driven by the same power source, a plurality of scraping blades are installed on each set of ink scraping driving component, and the ink scraping driving components are used for driving the scraping blades to move; the arrangement of all the scraping blades on the two sets of ink scraping driving components is matched with that of the spray heads, the working stroke of the scraping blades is matched with the length dimension of the spray heads every time ink is scraped, and one scraping blade only scrapes and cleans the corresponding spray heads. One scraping blade only scrapes ink and cleans the corresponding spray head, and the scraping blade is cleaned before the spray head is scraped with ink each time, so that the cleaning effect on the spray head is good, and the precision of ink jet printing operation of the cleaned spray head is ensured.

Description

Ink scraping and cleaning device for spray head of digital printing machine

Technical Field

The utility model relates to a digital printing machine, in particular to a nozzle ink scraping and cleaning device of the digital printing machine.

Background

Digital calico printing machine spout and contain a plurality of shower nozzles of regular spread usually in the seal system, and a plurality of shower nozzles are installed on a nozzle holder, and the shower nozzle comprises many tiny nozzles, if maintain improperly in the use, easily causes the nozzle to block up to influence and print, therefore calico printing machine is out of work, needs in time wash away remaining ink stain on the shower nozzle.

One cleaning method is to use a wiper blade to wipe off ink stains left on the surface of the spray head, the wiper blade is usually arranged in parallel, when the cleaning method works, one wiper blade corresponds to one row of spray heads, and one wiper blade is used to clean one row of spray heads, and the cleaning method has the following defects: 1. ink stains are accumulated on the scraping blade after the scraping blade cleans a front sprayer, and then when a rear sprayer is cleaned, the ink stains are accumulated on the scraping blade to influence the cleaning effect of the scraping blade, and the ink stains accumulated on the scraping blade are adhered to the rear sprayer, so that the cleaning effect of the rear sprayer is greatly reduced; 2. the wiper blade may contact not only the spray head during its movement, but also the underside of the spray head frame, where other impurities may be present, which are carried to the spray head by the wiper blade. Therefore, there is a need for improvements and optimizations to existing head wiping and cleaning devices.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the ink scraping and cleaning device for the spray head of the digital printing machine, which has the advantages of reasonable structural design and good cleaning effect.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a digital printing machine's shower nozzle wiping belt cleaning device, connects ink horn, its characterized in that including the washing: the cleaning ink receiving box is internally provided with at least two sets of ink scraping driving components, the two sets of ink scraping driving components are driven by the same power source, each set of ink scraping driving components is provided with a plurality of scraping blades, and the ink scraping driving components are used for driving the scraping blades to move; the arrangement of all the scraping blades on the two sets of ink scraping driving components is matched with that of the spray heads, the working stroke of the scraping blades is matched with the length dimension of the spray heads every time ink is scraped, and one scraping blade only scrapes and cleans the corresponding spray heads.

Preferably, the two sets of ink scraping driving components are arranged in the cleaning ink receiving box in a staggered mode; the ink scraping driving assembly comprises a chain, a driving shaft and a driven shaft, the driving shaft and the driven shaft are arranged in the cleaning ink receiving box, and the chain is arranged on the driving shaft and the driven shaft through a chain wheel; and the driving shafts in the two sets of ink scraping driving components are driven by the same motor.

Preferably, the washing connects a curb plate of the outside side-mounting of ink horn, the motor is installed on the curb plate, install synchronous belt drive assembly on the curb plate, the tip of two sets of driving shafts of scraping among the ink drive assembly is worn out to wash and is connected with synchronous belt drive assembly after connecing the ink horn, the motor passes through two sets of driving shaft synchronous rotation of scraping among the ink drive assembly of synchronous belt drive assembly drive.

Preferably, the scraping blade is installed on the chain through the scraping blade base, the scraping blade base is fixedly connected with the chain, and the scraping blade is detachably connected with the scraping blade base.

Preferably, brackets for supporting bottoms of two sides of the doctor blade base are respectively arranged on two sides of the chain.

When the ink scraping and cleaning device is used specifically, the nozzle is installed on a support frame capable of ascending and descending, the support frame is connected with a printing machine frame, when the nozzle needs to be scraped, firstly, a scraper is rotated to an upper working position by a driving chain, then, the support frame is driven to move upwards to enable the scraper to be in contact with the nozzle, then, the driving chain continues to rotate until the scraper moves for a distance of the length of the nozzle, then, the support frame descends to enable the scraper not to be in contact with the nozzle, and then, the driving chain continues to rotate to enable the scraper to be rotated to a lower standby position, so that the scraper extends into cleaning liquid contained in a cleaning ink receiving box to be cleaned.

Compared with the prior art, the utility model has the following advantages and effects:

1. the cleaning ink receiving box is at least provided with two sets of ink scraping driving components which are arranged in a staggered manner, and the ink scraping driving components adopt a chain transmission mode and can be suitable for spray head systems with different sizes by adjusting the length and the size of a chain;

2. the two sets of ink scraping driving components are synchronously controlled by the same motor, so that energy is saved and the control is convenient;

3. the arrangement of a plurality of scraping blades in the ink scraping and cleaning device for the spray head is matched with the arrangement of the spray head, the working stroke of the scraping blades is matched with the length size of the spray head every time ink is scraped, one scraping blade only scrapes and cleans the corresponding spray head, and the scraping blades are cleaned before the ink is scraped to the spray head every time, so that the cleaning effect on the spray head is good, and the precision of ink jet printing operation of the cleaned spray head is ensured.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

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

Fig. 2 is a schematic front view of the embodiment of the present invention.

Fig. 3 is a schematic top view of an embodiment of the present invention.

Fig. 4 is a schematic diagram of a right-view structure according to an embodiment of the present invention.

FIG. 5 is a schematic diagram illustrating the correspondence between the wiper blade and the spray head when the wiper blade is in the working position.

Description of reference numerals: cleaning the ink receiving box 1; the ink scraping driving component 2; a blade 3; a doctor blade base 4; a bracket 5; a ramp 51; a bracket 6; a nozzle holder 8;

a cleaning liquid supply pipe joint 11; replacing the cleaning solution pipe joint 12;

a motor 21; a synchronous belt drive assembly 22; a chain 23; a drive shaft 24; a driven shaft 25; side plates 26;

blade number one 31; a second doctor blade 32; a third blade 33; a fourth wiper blade 34; a fifth doctor blade 35;

the first spray head 71; a second spray head 72; a third spray head 73; spray head number four 74; and a fifth spray head 75.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

See fig. 1-5.

The embodiment discloses a digital printing machine's shower nozzle wiping belt cleaning device, including wash and connect ink horn 1, crisscross installation wash two sets of wiping drive assembly 2 that connect in the ink horn 1, and set up a plurality of doctor-bar 3 on wiping drive assembly 2. The scraping drive component 2 is used for driving the scraping blade 3 to move. The cleaning ink receiving box 1 contains cleaning liquid for cleaning the wiper 3, the bottom of the cleaning ink receiving box 1 is provided with a cleaning liquid replenishing pipe joint 11 and a cleaning liquid replacing pipe joint 12, when the cleaning liquid is insufficient, the cleaning liquid is replenished into the cleaning ink receiving box 1 through the cleaning liquid replenishing pipe joint 11, and when the cleaning liquid needs to be drained to replace a new cleaning liquid, the cleaning liquid is outwards drawn through the cleaning liquid replacing pipe joint 12.

In the present embodiment, specifically, the wiping drive assembly 2 includes a chain 23, a drive shaft 24, and a driven shaft 25; a driving shaft 24 and a driven shaft 25 are installed in the cleaning ink receiving cartridge 1, and a chain 23 is installed on the driving shaft 24 and the driven shaft 25 through a sprocket.

In the present embodiment, the driving shafts 24 of the two sets of wiping drive units 2 are driven by the same motor 21. Motor 21 installs on a curb plate 26, this curb plate 26 is installed and is connect the outside one side of ink horn 1 in the washing, and still install synchronous belt drive assembly 22 on the curb plate 26, synchronous belt drive assembly 22 is by the hold-in range, a little synchronous pulley and two big synchronous pulleys, the hold-in range suit is on little synchronous pulley and big synchronous pulley, wherein little synchronous pulley is connected with motor 21's output, the tip of the driving shaft 24 in two sets of drive assemblies 2 of scraping is worn out to wash and is connect ink horn 1 back and be connected with two big synchronous pulleys respectively, consequently, motor 21 can drive two sets of driving shaft 24 synchronous rotation in the drive assemblies 2 of scraping through synchronous belt drive assembly 22.

In this embodiment, the scraping blade 3 is installed on the chain 23 through the scraping blade base 4, the scraping blade base 4 is fixedly connected with the chain 23, and the scraping blade 3 is detachably connected with the scraping blade base 4. Brackets 5 for supporting the bottoms of the two sides of the scraper blade base 4 are respectively installed on the two sides of the chain 23, each set of the scraping driving component 2 is provided with two brackets 5, one bracket 5 is fixedly connected with the inner side of the cleaning ink receiving box 1, and the other bracket 5 is installed by means of a support 6 because the other bracket is not close to the inner side wall of the cleaning ink receiving box 1. Bracket 5 adopts the duroplastic material to make, POM for example, prevent that it from producing hard collision to doctor-bar base 4, bracket 5 is the L type in cross section, and be provided with slope 51 at the both ends of its horizontal plane, bracket 5 is used for supporting doctor-bar base 4 on the one hand, thereby provide certain bearing power to doctor-bar 3, make doctor-bar 3 can scrape the incomplete china ink on shower nozzle surface smoothly, on the other hand is used for leading to the side of doctor-bar base 4, guarantee doctor-bar base 4 smooth operation, do not take place the skew, thereby simultaneously because both ends are provided with slope 51 and can play certain tensioning action to chain 23.

In this embodiment, the scraping blade 3 is a flexible scraping blade made of rubber, so that the scraping blade 3 does not generate hard collision to the nozzle when contacting the nozzle, thereby avoiding damage to the nozzle.

In this embodiment, the arrangement of all the scraping blades 3 on the two sets of scraping drive assemblies 2 is matched with the arrangement of the nozzles, the working stroke of each scraping blade 3 is matched with the length of the nozzle once the ink is scraped, and one scraping blade 3 only scrapes and cleans the corresponding nozzle. Specifically, the number and arrangement of the wiper blades 3 are determined according to the number and arrangement of the heads, and referring to fig. 5, the head carriage 8 shown in fig. 5 is provided with six rows of heads, three heads are arranged in a row, two heads are arranged in a row, the heads between each adjacent row are alternately arranged, the six rows of heads can be divided into three groups, the number and arrangement of the heads in each group are the same, therefore, the arrangement of the wiper blades 3 can be determined according to the number and arrangement of the heads in a group, the wiper blades 3 are provided in five, three wiper blades 3 are provided as a row and are provided on one set of the wiping drive assembly 2, the other two wiper blades 3 are provided as another row and are provided on the other set of the wiping drive assembly 2, and the interval L1 between the wiper blades 3 in the same row is equal to the interval L2 between the heads and the heads in the same row corresponding to the same row, the first wiper blade 31 corresponds to the first head 71, the second doctor blade 32 corresponds to the second spray head 72, the third doctor blade 33 corresponds to the third spray head 73, the fourth doctor blade 34 corresponds to the fourth spray head 74, and the fifth doctor blade 35 corresponds to the fifth spray head 75, so that cleaning of two rows of spray heads can be completed once ink scraping is performed.

When the device is specifically applied, the nozzle ink scraping and cleaning device is installed on a support frame capable of ascending and descending, and refers to the prior art, the support frame is connected with a printing machine frame, when ink needs to be scraped to a nozzle, firstly, the scraper 3 is rotated to the upper working position by the driving chain 23, then, the scraper 3 is moved to be in contact with the nozzle by the driving support frame, then, the driving chain 23 continues to rotate until the scraper 3 moves for a distance of one nozzle length, then, the support frame descends to enable the scraper 3 not to be in contact with the nozzle, then, the scraper 3 is rotated to be in a standby position below by the driving chain 23, the scraper 3 stretches into cleaning liquid contained in the ink receiving box 1 to be cleaned, and next ink scraping and cleaning work of the nozzle can be performed after cleaning.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a digital printing machine's shower nozzle wiping belt cleaning device, connects ink horn (1) including the washing, its characterized in that: at least two sets of ink scraping driving components (2) are installed in the cleaning ink receiving box (1), the two sets of ink scraping driving components (2) are driven by the same power source, a plurality of scraping blades (3) are installed on each set of ink scraping driving component (2), and the ink scraping driving components (2) are used for driving the scraping blades (3) to move; the arrangement of all the scraping blades (3) on the two sets of ink scraping driving components (2) is matched with the arrangement of the spray heads, the working stroke of each scraping blade (3) is matched with the length dimension of the spray head every time ink is scraped, and one scraping blade (3) only scrapes and cleans the corresponding spray head.

2. The digital printing machine nozzle ink scraping and cleaning device according to claim 1, characterized in that: the two sets of ink scraping driving components (2) are arranged in the cleaning ink receiving box (1) in a staggered manner; the ink scraping driving assembly (2) comprises a chain (23), a driving shaft (24) and a driven shaft (25), the driving shaft (24) and the driven shaft (25) are installed in the cleaning ink receiving box (1), and the chain (23) is installed on the driving shaft (24) and the driven shaft (25) through a chain wheel; the driving shafts (24) in the two sets of ink scraping driving components (2) are driven by the same motor (21).

3. The digital printing machine nozzle ink scraping and cleaning device according to claim 2, characterized in that: the cleaning connects curb plate (26) of the outside side-mounting of ink horn (1), motor (21) are installed on curb plate (26), install synchronous belt drive subassembly (22) on curb plate (26), the tip of two sets of driving shafts (24) of scraping among ink drive assembly (2) is worn out the cleaning and is connected with synchronous belt drive subassembly (22) after connecing ink horn (1), motor (21) drive two sets through synchronous belt drive subassembly (22) and scrape driving shaft (24) synchronous rotation among ink drive assembly (2).

4. The digital printing machine nozzle ink scraping and cleaning device according to claim 2, characterized in that: the scraper (3) is installed on the chain (23) through the scraper base (4), the scraper base (4) is fixedly connected with the chain (23), and the scraper (3) is detachably connected with the scraper base (4).

5. The digital printing machine nozzle ink scraping and cleaning device according to claim 4, characterized in that: and brackets (5) used for supporting the bottoms of the two sides of the scraping piece base (4) are respectively arranged on the two sides of the chain (23).