CN214928176U

CN214928176U - Ink tank of printing machine

Info

Publication number: CN214928176U
Application number: CN202120730814.6U
Authority: CN
Inventors: 徐黎平; 王先锋; 吕胜辉
Original assignee: Hangzhou Mingri Flexible Packaging Co ltd
Current assignee: Hangzhou Mingri Flexible Packaging Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-30
Anticipated expiration: 2031-04-09

Abstract

The application provides a pair of printing machine ink tank relates to the technical field of printing machine. The utility model provides a printing machine china ink groove, includes printing machine frame, rotates the ink roller of connection in the frame and rack-mounted open-top's cell body, the cell body sets up the below at the ink roller, the lateral wall of cell body both sides is first lateral wall and second lateral wall respectively, it is used for sealing cell body open-ended apron to rotate to be connected with on the first lateral wall of cell body, the both ends fixedly connected with supporting part of cell body, be provided with the locking piece that is used for locking the apron on the supporting part, the apron is kept away from and is formed with the china ink space between one side that links to each other with first lateral wall and the second lateral wall, the ink roller sets up in the china ink space. Through being provided with the apron for the opening of china ink groove is by furthest closure, has reduced printing machine and has splashed and ink volatilizees in the use.

Description

Ink tank of printing machine

Technical Field

The application relates to the technical field of printing machines, in particular to an ink tank of a printing machine.

Background

The printing machine is generally provided with a tank body, an ink roller and a printing roller, wherein printing ink is added into the tank body, the ink roller rotates the printing ink in the tank body to the printing roller which is abutted against the ink roller in the rotating process, and then the printing roller prints paper.

Most of the tank bodies are arranged with the top open, and the ink roller is contacted with ink in the tank body from the open side of the tank body. However, printing ink generally has certain volatility, and ink is easily volatilized to the outside through the tank body arranged in an open manner. And in the rotation process of the ink roller, part of ink can be splashed to the outside, so that the ink is wasted, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

In order to avoid ink volatilization or splashing to the outside, the application provides a printing machine ink tank.

The application provides a pair of printing machine china ink groove has adopted following technical scheme:

the utility model provides a printing machine china ink groove, includes printing machine frame, rotates the ink roller of connection in the frame and rack-mounted open-top's cell body, the cell body sets up the below at the ink roller, the lateral wall of cell body both sides is first lateral wall and second lateral wall respectively, it is used for sealing cell body open-ended apron to rotate to be connected with on the first lateral wall of cell body, the both ends fixedly connected with supporting part of cell body, be provided with the locking piece that is used for locking the apron on the supporting part, the apron is kept away from and is formed with the china ink space between one side that links to each other with first lateral wall and the second lateral wall, the ink roller sets up in the china ink space.

Through adopting above-mentioned technical scheme, when printing with this printing machine at that time, fill chinese ink to the cell body in, cover the apron again. The cover plate is abutted against the supporting part, and the cover plate and the supporting plate are locked through the connecting piece. After the printing machine is started, the ink roller rotates in the ink feeding space, and ink in the tank body is adhered to the surface of the ink roller for subsequent printing. By arranging the cover plate, on one hand, the sealing performance of the tank body is improved, and the pollution caused by volatilization of ink in the tank body to the outside is reduced; on the other hand, the cover plate also avoids ink from splashing to the outside in the rotation process of the ink roller, thereby causing waste and pollution.

Optionally, the both ends fixedly connected with fixed block of apron, the fixed slot has been seted up on the roof of supporting part, fixed block and fixed slot looks joint, the locking piece includes spherical locking piece and locking spring, set up the locking groove on the cell wall of fixed slot, the one end fixed connection of locking spring is at the tank bottom of locking groove, the other end and the locking piece of locking spring are fixed to be linked to each other, the locking piece slides with the locking groove and links to each other, the spacing groove has been seted up on the lateral wall of fixed block, the locking piece is connected with spacing groove looks joint.

Through adopting above-mentioned technical scheme, when the butt is thought with the supporting part to the apron, the fixed block inserts in the fixed slot. Under the action of the fixed block, the arc-shaped block compresses the locking spring and slides into the locking groove. When the fixed block slides to the limiting groove and corresponds to the locking groove, the locking block is supported to the limiting groove under the action of the locking spring and is clamped with the limiting groove. The cover plate is locked when rotating to abut against the supporting part, and the stability of the cover plate is improved.

Optionally, still be equipped with the one deck baffler on the inside wall of apron, a plurality of supporting shoes of fixedly connected with on the baffler, the width direction fixedly connected with joint piece along the baffler on the supporting shoe, a plurality of spread grooves have been seted up on the inside wall of apron, the joint groove has been seted up along the width direction of apron on the cell wall of spread groove, the supporting shoe slides with the spread groove and links to each other, joint piece and joint groove looks joint, the coating of baffler deviates from apron one side has the barrier layer that prevents the printing ink adhesion.

Through adopting above-mentioned technical scheme, stretch into the spread groove with supporting shoe and joint piece in, the baffler that slides again makes joint piece and joint groove looks joint. Because the one side that the separation plate deviates from the apron is provided with the barrier layer that prevents the printing ink adhesion, when the ink roller leads to printing ink to splash to the separation plate in the rotation process, the printing ink adhesion can be avoided to the coating. When the blocking plate needs to be replaced or cleaned, the blocking plate can be directly detached from the cover plate, and the overall cleanliness of the cover plate is improved.

Optionally, the length direction fixedly connected with backup pad of frame is followed to one side that the frame was equipped with the cell body, the perpendicular fixedly connected with sliding shaft of direction of height of frame is followed at the both ends of backup pad, the both ends fixedly connected with drive division of cell body, the drive hole has been seted up in the drive division, sliding shaft and drive hole sliding fit, still be provided with the hydraulic press that is used for driving the cell body to go up and down in the backup pad, the piston rod of hydraulic press is inconsistent with the diapire of cell body.

By adopting the technical scheme, after the hydraulic press is started, the groove body slides along the sliding shaft under the action of the hydraulic press, so that the height of the groove body on the frame is adjusted. The height of the tank body can be adjusted, so that on one hand, the relative positions of the ink roller and the tank body can be adjusted, and the sealing performance of the tank body is further improved; on the other hand, when the tank body breaks down and needs to be maintained, the tank body can be lowered, and the operating space of a worker during maintenance is improved.

Optionally, the driving part comprises a first driving block and a second driving block, the first driving block is fixedly connected to two ends of the groove body, a first driving groove is formed in the first driving block, a second driving groove is formed in the second driving block, connecting plates are fixedly connected to two sides of the first driving block and two sides of the second driving block, through holes are formed in the connecting plates, two locking bolts are arranged in the through holes in the same side, the locking bolts penetrate through the through holes, the end, penetrating through the through holes, of each locking bolt is in threaded connection with the corresponding locking nut, and the two connecting plates are tightly abutted by the corresponding locking nut.

Through adopting above-mentioned technical scheme, when needs are changed the cell body or are dismantled the maintenance, unscrew lock nut from the locking bolt, make second drive block and first drive block separately. And then the groove body is taken down from the frame, thereby realizing the detachable connection of the groove body on the frame.

Optionally, the both ends of cell body still are provided with adsorption component, adsorption component includes the suction fan on the fixed mounting cell body lateral wall, fixedly connected with aspiration channel is served in the induced drafting of suction fan, the one end fixed connection that keeps away from with the suction fan that the aspiration channel links to each other is at the both ends of cell body, fixedly connected with goes out the tuber pipe in the end of blowing of suction fan, it keeps away from the one end that links to each other with the suction fan and is connected with air purifier to go out the tuber pipe.

Through adopting above-mentioned technical scheme, still can have a small amount of printing ink to volatilize when the printing machine in the use to from inking space department exudation. At the moment, the suction fan is opened, and a small amount of printing ink is absorbed by the suction pipe and is conveyed into the air purifier through the air outlet pipe under the action of the suction fan. And the environmental pollution caused by ink volatilization is reduced.

Optionally, the length direction of following the cell body in the cell body is provided with the china ink storehouse, the dovetail has been seted up along the direction of height of cell body on the inside wall at cell body both ends, fixedly connected with dovetail block on the lateral wall at china ink storehouse both ends, dovetail block and dovetail slide and link to each other, the bottom of cell body still is provided with the elastic control spare that is used for controlling the china ink storehouse height.

Through adopting above-mentioned technical scheme, with the installation of china ink storehouse slip back in the cell body, because the bottom of cell body is provided with the elastic control piece of control china ink storehouse height to guarantee the ink roller and contact with chinese ink all the time, avoid on the ink roller not the adhesion have chinese ink, cause the influence to the printing.

Optionally, the elastic control piece includes along dovetail length direction fixed connection the control spring in the dovetail, the one end fixedly connected with dovetail of cell body diapire is kept away from to the control spring, dovetail and forked tail piece looks butt, the one end that the cell body tank bottom was kept away from to the dovetail still is equipped with the locating part of avoiding the china ink storehouse to drop.

Through adopting above-mentioned technical scheme, when the ink volume in the china ink storehouse is more, the control spring can contract under the action of gravity of china ink storehouse. When the ink amount in the ink chamber is larger, the elastic control part can relax. Thereby guarantee that the chinese ink in the china ink storehouse contacts with the ink roller all the time, avoid on the ink roller not the adhesion have chinese ink.

Optionally, the limiting part comprises limiting blocks rotatably connected to two ends of the groove body, the limiting blocks are arranged at the top ends of the dovetail grooves, limiting holes are formed in the limiting blocks, fixing bolts penetrate through the limiting holes, thread grooves are formed in the top walls of the two ends of the groove body, and one ends of the fixing bolts penetrating through the limiting holes are connected with the thread grooves in a threaded mode.

Through adopting above-mentioned technical scheme, when the cell body is in normal use, the stopper is rotated the stopper and is blocked joint mutually with the fixed slot, and the rethread fixing bolt is fixed the stopper in the fixed slot. So that the action range of the ink chamber in the groove body is fixed, and the ink chamber is prevented from being separated from the upper part of the dovetail groove.

In summary, the present application includes at least one of the following benefits:

1. the groove body is sealed by the cover plate and the blocking plate, so that ink volatilization or splashing to the outside to pollute the environment can be avoided.

2. The height of the tank body is adjusted by the air cylinder, so that the height of the tank body on the rack is convenient to adjust, and the tank body is convenient to maintain and clean.

3. The elastic control piece is arranged to control the ink bin to ascend and descend, so that the ink roller cannot contact with ink to influence printing.

Drawings

FIG. 1 is a schematic view of the overall structure of a frame and an ink tank according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the overall structure of an ink tank according to an embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of a driving part according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of the cover plate and the support portion according to the embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of a cover plate of an embodiment of the present application;

FIG. 6 is a schematic view of a partial structure of an ink tank according to an embodiment of the present invention;

fig. 7 is a schematic view of the overall structure of the ink cartridge.

Reference numerals: 1. a frame; 2. a trough body; 21. a first side wall; 22. a second side wall; 23. a support portion; 231. fixing grooves; 3. an ink roller; 4. printing roller; 5. a drive section; 51. a first driving block; 52. a second driving block; 53. a drive aperture; 531. a first drive slot; 532. a second driving groove; 54. a connecting plate; 55. a locking bolt; 56. a locking nut; 6. a cover plate; 61. a fixed block; 62. a limiting groove; 63. a locking groove; 631. a locking spring; 632. a locking block; 64. a barrier plate; 641. connecting grooves; 642. a clamping groove; 643. a support block; 644. a clamping block; 65. a dovetail groove; 7. an ink cartridge; 71. an elastic control member; 712. a control spring; 713. a swallowtail; 72. a limiting plate; 73. fixing the bolt; 74. a dovetail block; 8. an adsorption component; 81. a suction fan; 82. an air suction pipe; 83. an air outlet pipe; 9. a support plate; 91. a hydraulic press; 92. a sliding shaft.

Detailed Description

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

The embodiment of the application discloses a printing machine ink tank. Referring to fig. 1, an ink tank of a printing machine includes a frame 1 and a tank body 2 installed on the frame 1 to be opened at the top. The frame 1 is also rotatably provided with an ink roller 3 and a printing roller 4 which are mutually abutted, and one side of the frame 1 provided with the ink roller 3 is fixedly connected with a supporting plate 9 along the length direction of the frame 1. A sliding shaft 92 is vertically and fixedly connected to the top wall of the two ends of the supporting plate 9 along the height direction of the frame 1.

Referring to fig. 2 and 3, driving parts 5 matched with the sliding shafts are fixedly connected to both ends of the tank body 2, the driving parts 5 are formed by connecting a first driving block 51 and a second driving block 52, and the first driving block 51 is fixedly connected to both ends of the tank body 2. The first driving block 51 is provided with a first driving groove 531 along the length direction of the sliding shaft 92, and the second driving block 52 is provided with a second driving groove 532 along the length direction of the sliding shaft 92. Connecting plates 54 are fixedly connected to two sides of the first driving block 51 and the second driving block 52, and through holes are formed in the connecting plates 54. And locking bolts 55 are respectively arranged in the through holes on the same side of the first driving block 51 and the second driving block 52 in a penetrating way, and one end of each locking bolt 55 penetrating through the through hole is connected with a locking nut 56 in a threaded way. The first driving block 51 and the second driving block 52 are fixedly connected by the locking bolt 55 and the locking nut 56.

Referring to fig. 1 and 3, when the first and second driving blocks 51 and 52 are coupled, the first and second driving

grooves

531 and 532 combine to form the driving hole 53, and the driving hole 53 is slidably engaged with the sliding shaft 92. The support table is fixedly provided with a hydraulic machine 91, and a piston rod of the hydraulic machine 91 is abutted against the bottom wall of the tank body 2. The tank body 2 is moved in the height direction of the slide shaft 92 by the driving of the hydraulic press 91, and the interval with the ink roller 3 is adjusted.

Referring to fig. 1 and 2, a side wall of the tank body 2 on a side away from the frame 1 is a first side wall 21, and a side wall on a side close to the frame 1 is a second side wall 22. The top wall of the first side wall 21 is hinged with a cover plate 6 for closing the opening of the tank body 2 along the length direction of the first side wall 21, and the top walls at the two ends of the tank body 2 are fixedly connected with right-angled triangle supporting parts 23. One right-angle surface of the supporting part 23 is connected with the tank body 2, the other right-angle surface is arranged on one side of the second side wall 22, and the cover plate 6 is abutted against the side wall on one side of the inclined surface of the supporting part 23. An inking space is formed between the side of the cover plate 6 remote from the side connected to the first side wall 21 and the second side wall 22, and the ink roller 3 is disposed in the inking space along the length direction of the inking space. When using the printing machine to print, rotate apron 6 and supporting part 23 looks butt, apron 6 can seal the position of cell body 2 opening for the seal of cell body 2 promotes, reduces the volatilization of printing ink.

Referring to fig. 4, fixing blocks 61 are fixedly connected to both ends of the cover plate 6, fixing grooves 231 are formed on the inclined surface of the supporting portion 23, and the fixing blocks 61 are clamped with the fixing grooves 231. A locking groove 63 is formed in a groove wall of the fixing groove 231, and a locking member for locking the fixing block 61 is further disposed in the locking groove 63.

Specifically, the locking member includes a locking spring 631 and a spherical locking block 632, one end of the locking spring 631 is fixedly connected to the bottom of the locking groove 63, the other end of the locking spring 631 is fixedly connected to the locking block 632, and the locking block 632 is slidably connected to the locking groove 63. The side wall of the fixing block 61 is provided with a limit groove 62, and the locking block 632 is clamped with the limit groove 62. When the cover plate 6 is rotated to make the fixing block 61 be engaged with the fixing groove 231, the locking block 632 compresses the locking spring 631 by the fixing block 61 and slides into the locking groove 63. When the limit groove 62 corresponds to the locking groove 63, the locking block 632 will pop out under the action of the locking spring 631 and be locked with the limit groove 62, so that the fixing block 61 is locked in the fixing groove 231.

Referring to fig. 5, the sidewall of the cover plate 6 near the tank body 2 is further connected with a blocking plate 64, the sidewall of the blocking plate 64 is fixedly connected with a total of nine supporting blocks 643, the supporting blocks 643 are fixedly connected with clamping blocks 644 along the width direction of the blocking plate 64, and the clamping blocks 644 are all disposed toward the same side of the blocking plate 64.

A total of nine connecting grooves 641 are formed in the side wall of the cover plate 6 close to the side of the groove body 2 along the thickness direction of the cover plate 6, the length of the connecting groove 641 is greater than that of the supporting block 643, and a clamping groove 642 is formed in the side wall of the connecting groove 641 close to the side of the first side wall 21 along the width direction of the cover plate 6. The supporting block 643 is slidably connected to the connecting groove 641, and the locking block 644 is locked to the locking groove 642.

The side wall of the blocking plate 64, which is far away from the cover plate 6, is also provided with an aluminum foil blocking layer for preventing ink adhesion. When the ink roller 3 causes ink to splash in the rotating process, the ink is not easy to adhere due to the arrangement of the blocking layer of the aluminum foil. And the detachable connection facilitates the detachment and cleaning of the barrier plate 64.

Referring to fig. 6 and 7, an ink tank 7 for containing ink is further provided in the tank body 2. Dovetail grooves 65 are formed in the inner side walls of the two ends of the tank body 2 along the thickness direction of the tank body 2, dovetail blocks 74 are fixedly connected to the two ends of the ink chamber 7, and the dovetail blocks 74 are connected with the dovetail grooves 65 in a sliding mode.

Referring to fig. 6, an elastic control member 71 is further disposed at one end of the dovetail groove 65 close to the bottom of the slot body 2, specifically, the elastic control member 71 includes a control spring 712 fixedly connected in the dovetail groove 65, a dovetail portion 713 is fixedly connected at one end of the control spring 712 close to the cover plate 6, and the dovetail portion 713 is abutted to the dovetail block 74. When the ink in the ink tank 7 is large, the control spring 712 is compressed by the pressure, and the position of the ink tank 7 in the tank body 2 is lowered. When less ink is present in the ink reservoir 7, the control spring 712 relaxes and causes the dovetail 713 to abut the dovetail block 74, thereby raising the position of the ink reservoir 7 within the tank 2. Thereby leading the ink roller 3 to be always contacted with the ink in the ink chamber 7 and ensuring the normal printing.

The top walls at the two ends of the slot body 2 are further provided with limiting pieces for preventing the dovetail block 74 from falling off from the dovetail groove 65, specifically, the limiting pieces comprise limiting plates 72 hinged to the top walls at the two ends of the slot body 2, and hinge joints of the limiting plates 72 are arranged above the dovetail groove 65. The limiting plate 72 is provided with a through hole, the top walls of the two ends of the tank body 2 are provided with thread grooves, the through hole is internally provided with a fixing bolt 73 in a penetrating manner, one end of the fixing bolt 73 penetrating through the through hole is in thread connection with the thread grooves, and the limiting plate 72 is abutted to the dovetail block 74. When the ink chamber 7 needs to be taken out of the tank body 2, the fixing bolt 73 is unscrewed, the limiting plate 72 is rotated, and then the dovetail block 74 slides out of the dovetail groove 65, so that the ink chamber 7 can be taken out.

Referring to fig. 1, the two ends of the tank body 2 are further provided with an adsorption assembly 8, and specifically, the adsorption assembly 8 includes suction fans 81 arranged at the two ends of the frame 1. An air suction pipe 82 is fixedly connected to the air suction end of the air suction fan 81, and one end, far away from the end connected with the air suction fan 81, of the air suction pipe 82 is arranged at two ends of the ink bin 7. An air outlet pipe 83 is fixedly connected to the air blowing end of the suction fan 81, and the end, far away from the end connected with the suction fan 81, of the air outlet pipe 83 is communicated into the air purifier. When a small amount of ink in the ink bin 7 is volatilized and overflows, the ink is adsorbed under the action of the adsorption component 8, and the volatilization amount of the ink is reduced.

The implementation principle of the printing machine ink tank of the embodiment of the application is as follows: when the printer is used for printing, the cover plate 6 is opened and the ink chamber 7 is filled with ink. The hydraulic press 91 is controlled to raise the tank 2 on the slide shaft 92 until ink comes into contact with the ink roller 3.

The cover 6 is closed again, the fixing block 61 is inserted into the fixing groove 231, and the fixing block 61 is fixed in the fixing groove 231 by the locking block 632 and the locking spring 631. Meanwhile, the printing machine and the suction fan 81 are started, and a small amount of volatile ink overflowing from the ink bin 7 is adsorbed into the air purifier under the action of the adsorption component 8 to be purified.

When the ink in the ink chamber 7 is gradually reduced, the ink chamber 7 will gradually rise under the action of the control spring 712, so that the ink roller 3 is always in contact with the ink, and the printing is ensured to be normally performed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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

1. An ink tank of a printing machine comprises a printing machine frame (1), an ink roller (3) rotationally connected to the frame (1) and a tank body (2) which is arranged on the frame (1) and is provided with an opening at the top, wherein the tank body (2) is arranged below the ink roller (3), it is characterized in that the side walls of the two sides of the tank body (2) are respectively a first side wall (21) and a second side wall (22), a cover plate (6) used for sealing the opening of the tank body (2) is rotatably connected on the first side wall (21) of the tank body (2), the two ends of the groove body (2) are fixedly connected with supporting parts (23), a locking piece for locking the cover plate (6) is arranged on the supporting parts (23), an inking space is formed between one side of the cover plate (6) far away from the side connected with the first side wall (21) and the second side wall (22), and the ink roller (3) is arranged in the inking space.

2. The printing machine ink tank of claim 1, wherein fixing blocks (61) are fixedly connected to two ends of the cover plate (6), fixing grooves (231) are formed in the top wall of the supporting portion (23), the fixing blocks (61) are clamped with the fixing grooves (231), the locking piece comprises a spherical locking block (632) and a locking spring (631), locking grooves (63) are formed in the groove walls of the fixing grooves (231), one end of the locking spring (631) is fixedly connected to the groove bottom of the locking grooves (63), the other end of the locking spring (631) is fixedly connected with the locking block (632), the locking block (632) is slidably connected with the locking grooves (63), limit grooves (62) are formed in the side walls of the fixing blocks (61), and the locking block (632) is clamped with the limit grooves (62).

3. The ink tank of the printing machine as claimed in claim 1, wherein a layer of blocking plate (64) is further disposed on an inner side wall of the cover plate (6), a plurality of supporting blocks (643) are fixedly connected to the blocking plate (64), a clamping block (644) is fixedly connected to the supporting blocks (643) along a width direction of the blocking plate (64), a plurality of connecting grooves (641) are formed in the inner side wall of the cover plate (6), a clamping groove (642) is formed in a groove wall of the connecting groove (641) along the width direction of the cover plate (6), the supporting blocks (643) are slidably connected to the connecting grooves (641), the clamping block (644) is clamped to the clamping groove (642), and a blocking layer for preventing ink adhesion is disposed on a side of the blocking plate (64) away from the cover plate (6).

4. The printing machine ink fountain according to claim 1, wherein one side of the frame (1) provided with the ink roller (3) is fixedly connected with a supporting plate (9), two ends of the supporting plate (9) are fixedly connected with sliding shafts (92) along the vertical direction of the height of the frame (1), two ends of the tank body (2) are fixedly connected with driving portions (5), driving holes (53) are formed in the driving portions (5), the sliding shafts (92) are in sliding fit with the driving holes (53), a hydraulic machine (91) used for driving the tank body (2) to ascend and descend is further arranged on the supporting plate (9), and a piston rod of the hydraulic machine (91) is abutted to the bottom wall of the tank body (2).

5. The ink tank of the printing machine as claimed in claim 4, wherein the driving portion (5) comprises a first driving block (51) and a second driving block (52), the first driving block (51) is fixedly connected to two ends of the tank body (2), a first driving groove (531) is formed in the first driving block (51), a second driving groove (532) is formed in the second driving block (52), connecting plates (54) are fixedly connected to two sides of the first driving block (51) and the second driving block (52), through holes are formed in the connecting plates (54), locking bolts (55) penetrate through the through holes on the same side, one ends of the locking bolts (55) penetrating through the through holes are in threaded connection with locking nuts (56), and the two connecting plates (54) are abutted by the locking nuts (56).

6. The ink fountain of the printing machine according to claim 1, wherein the two ends of the tank body (2) are further provided with adsorption components (8), each adsorption component (8) comprises a suction fan (81) fixedly installed on the outer side wall of the tank body (2), a suction pipe (82) is fixedly connected to the suction end of the suction fan (81), one end of the suction pipe (82) far away from the end connected with the suction fan (81) is fixedly connected to the two ends of the tank body (2), an air outlet pipe (83) is fixedly connected to the blowing end of the suction fan (81), and an air purifier is connected to one end, far away from the end connected with the suction fan (81), of the air outlet pipe (83).

7. The ink tank of the printing machine as claimed in claim 1, wherein an ink chamber (7) is arranged in the tank body (2) along the length direction of the tank body (2), dovetail grooves (65) are formed in the inner side walls at the two ends of the tank body (2) along the height direction of the tank body (2), dovetail blocks (74) are fixedly connected to the outer side walls at the two ends of the ink chamber (7), the dovetail blocks (74) are connected with the dovetail grooves (65) in a sliding mode, and an elastic control piece (71) used for controlling the height of the ink chamber (7) is further arranged at the bottom of the tank body (2).

8. The ink tank of the printing machine as claimed in claim 7, wherein the elastic control member (71) comprises a control spring (712) fixedly connected in the dovetail groove (65) along the length direction of the dovetail groove (65), a dovetail portion (713) is fixedly connected to one end of the control spring (712) far away from the bottom wall of the tank body (2), the dovetail portion (713) abuts against the dovetail block (74), and a limiting member for preventing the ink tank (7) from falling off is further arranged at one end of the dovetail groove (65) far away from the bottom wall of the tank body (2).

9. The ink tank of the printing machine according to claim 8, wherein the limiting member comprises limiting blocks rotatably connected to two ends of the tank body (2), the limiting blocks are arranged at the top ends of the dovetail grooves (65), limiting holes are formed in the limiting blocks, fixing bolts (73) penetrate through the limiting holes, thread grooves are formed in the top walls of the two ends of the tank body (2), and one ends of the fixing bolts (73) penetrating through the limiting holes are in threaded connection with the thread grooves.