CN111959127B

CN111959127B - Printing ink supply device of printing machine

Info

Publication number: CN111959127B
Application number: CN202010930185.1A
Authority: CN
Inventors: 张银峰; 巫花容; 李方争
Original assignee: Hangzhou Ocean Computer Printing Co ltd
Current assignee: Hangzhou Ocean Computer Printing Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-23
Anticipated expiration: 2040-09-07
Also published as: CN111959127A

Abstract

The utility model relates to a printing ink feeding device of printing machine, it includes the organism, along being reciprocal linear motion's the printer head and a plurality of ink horn of fixed connection on printer head with printing medium direction of transfer vertically direction, the organism top is provided with the feed subassembly that is used for providing printing ink for the ink horn, is provided with the unloading subassembly of printing ink flow direction ink horn in the control feed subassembly between feed subassembly and the ink horn, and this application has the speed of guaranteeing to print, can reduce the effect of staff's work load simultaneously.

Description

Printing ink supply device of printing machine

Technical Field

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

Background

The printing machine is one of the output devices of the computer and is used for printing the processing result of the computer on the relevant medium, and the ink supply device of the printing machine aims to supply ink to the printing machine, so that the ink of the ink printing machine is sufficient, and the normal and stable work of the printing machine can be guaranteed.

The existing printing machine comprises a machine body, wherein a feeding assembly used for conveying a printing medium is arranged in the machine body, a printing head which reciprocates linearly in a direction perpendicular to the conveying direction of the printing medium is arranged on the machine body, the upper surface of the printing head is fixedly connected with an ink box which moves together with the printing head, a plurality of ink boxes are arranged, ink with different colors is respectively filled in the ink boxes, and printing is completed along with the movement of the printing head and the printing medium.

To the correlation technique among the above-mentioned, ink horn fixed connection is on the printer head, and for guaranteeing to beat the mobility stability of printer head, the size of ink horn is limited, and when long-time during operation, need often add the china ink to the ink horn in, the inventor thinks that there is the defect that the china ink that adds often can not in time influence the printing effect simultaneously and add china ink and reduce printing speed, increase staff's work load.

Disclosure of Invention

In order to solve the defects of the technical scheme, the application provides an ink supply device of a printing machine.

The application provides an ink supply device of printing machine adopts following technical scheme: a printing ink supply device of a printing machine comprises a machine body, a printing head and a plurality of ink boxes, wherein the printing head does reciprocating linear motion along the direction vertical to the conveying direction of a printing medium, the ink boxes are fixedly connected to the printing head, a feeding assembly used for providing printing ink for the ink boxes is arranged above the machine body, the feeding assembly comprises a charging barrel, a hose and a pressure pump, the charging barrel is fixedly connected to the machine body, the pressure pump is fixedly connected to the top end of the charging barrel, one end of the hose penetrates through the side wall of the charging barrel and is abutted against the bottom end of the charging barrel, the remaining end of the hose is fixedly connected with the ink boxes, a blanking assembly used for controlling the flow of the printing ink in the feeding assembly to the ink boxes is arranged between the feeding assembly and the ink boxes, the blanking assembly comprises a blanking pipe, a blanking plate, a torsion spring, a connecting wire and a float, the blanking, connecting wire and shrouding lower surface fixed connection, cursory fixed connection keeps away from the one end of shrouding at the connecting wire, and when cursory and ink horn bottom butt, the length of connecting wire is less than the distance between cursory upper surface and the shrouding lower surface.

By adopting the technical scheme, the printing head slides along the length direction of the machine body in the printing process of the printing machine, the printing ink in the ink box is printed on a printing medium, when the printing ink in the ink box is used up, the feeding assembly adds the printing ink into the ink box, when the feeding assembly is used for adding the printing ink into the ink box, the pressure pump pressurizes the material barrel so as to ensure that the air pressure in the material barrel is greater than the external atmospheric pressure, the printing ink in the material barrel adds the printing ink into the ink box through the hose, the hose is arranged so as to meet the requirement that the printing ink in the material barrel can add materials into the ink box and the requirement that the ink box needs to move along with the printing head, the feeding assembly can provide sufficient printing ink for the ink box, the blanking assembly can adjust whether the feeding assembly is blanked, when the printing ink in the ink box is more, the float is in a floating state under the action of the buoyancy of the, the connecting wire is in the state of buckling this moment, under the effect of torsional spring, shrouding and unloading pipe butt, thereby guarantee to realize the printing ink unloading in the feed subassembly, when printing ink in the ink horn is less, the connecting wire is in tensile state, this moment under cursory action of gravity, shrouding and unloading pipe separation, thereby realize that the feed subassembly adds the china ink to the ink horn in, when the interior material of ink horn is more, the cursory buoyancy of printing ink is in the state of buckling once more down, this moment under the effect of torsional spring torsion, shrouding and unloading pipe butt, thereby seal the unloading pipe, can realize automatic filling printing ink according to how much of the realization of printing ink in the ink horn, the timely interpolation material to the ink horn can be realized to the setting of feed subassembly and unloading subassembly, thereby printing speed has been guaranteed, staff's work load can be reduced simultaneously.

Preferably, one side fixedly connected with that the shrouding is close to the unloading pipe is used for increasing the sealing layer of leakproofness between shrouding and the unloading pipe, and when the shrouding sealed the unloading pipe, the sealing layer inlayed and establishes in the unloading pipe.

Through adopting above-mentioned technical scheme, carry out confined in-process when the shrouding to the unloading pipe, the sealing layer inlays to be established in the unloading pipe to the realization is guaranteed that the shrouding can carry out sealed effect with the unloading pipe.

Preferably, the sealing layer is gradually contracted from one side close to the support plate to the side far away from the support plate.

Through adopting above-mentioned technical scheme, when the shrouding is pegged graft in the unloading intraductally, the sealing layer of shrink form can make things convenient for the sealing layer to peg graft in the unloading intraductally, and one side that the sealing layer is close to the shrouding simultaneously can realize sealing the unloading pipe, can also make things convenient for the sealing layer to peg graft in the unloading intraductally when conveniently pegging graft in the unloading.

Preferably, the shrouding is kept away from its one end with unloading pipe articulated and is provided with the locking Assembly who is used for locking shrouding and unloading pipe, and the connecting wire runs through the one end of keeping away from the float and runs through the shrouding and be connected with locking Assembly.

Through adopting above-mentioned technical scheme, locking Assembly's setting can realize increasing the stability of shrouding and unloading union coupling, simultaneously under the effect of cursory and connecting wire, can realize adjusting locking Assembly's opening and close, and locking Assembly's setting can guarantee under the effect of force (forcing) pump that the shrouding still with unloading pipe sealing connection.

Preferably, the locking assembly comprises a limiting block, a supporting pipe, a regulating pipe, a fixed plate, a sliding block, a regulating block, a first pressure spring and a second pressure spring, the limiting block is fixedly connected to the circumferential side wall of the blanking pipe, the upper surface of the limiting block gradually inclines to one side close to the blanking pipe from the lower surface to the upper surface of the limiting block, the supporting pipe is fixedly connected to the upper surface of the sealing plate and is perpendicular to the upper surface of the sealing plate, the regulating pipe is fixedly connected to one end, away from the sealing plate, of the supporting pipe, the regulating pipe is of a rectangular tubular structure, one end, away from the supporting pipe, of the regulating pipe is located on one side close to the limiting block, the sliding block is inserted in the regulating pipe in a sliding mode, the sliding groove is formed in the upper surface of the sliding block along the length direction of the sliding block, the fixed plate, and the second pressure spring is positioned at one end of the sliding block far away from the limiting block, positioned between the lower surface of the adjusting block and the adjusting pipe, and when the adjusting block is not subjected to external force, the second pressure spring is in a natural state, the side wall of the adjusting block close to the sliding block gradually inclines to one side far away from the sliding block from the lower surface to the upper surface, and the connecting wire penetrates through the adjusting pipe and is fixedly connected with the adjusting block.

By adopting the technical scheme, when the sealing plate and the blanking tube are fixed by using the locking assembly, the lower surface of the sliding block is abutted against the upper surface of the limiting block, the sealing plate and the blanking tube are in a locking state, when ink in the ink box is reduced and can not float for supporting, the float moves downwards under the action of the gravity of the float, the connecting line is in a stretching state, the adjusting block moves downwards under the action of the gravity of the float, the second pressure spring is in a compressing state, the sliding block moves towards one side far away from the limiting block under the action of the first pressure spring in the downward moving process of the adjusting block, the limiting block is not abutted against the sliding block, the torsion of the torsion spring is counteracted under the action of the gravity of the float, the sealing plate is driven to be separated from the blanking tube, the ink in the charging barrel flows into the ink box, when the ink in the ink box is enough to float, the tension borne by the adjusting block disappears, the second pressure spring drives the regulating block and resets, and first pressure spring drives the slider and resets, and the lower surface of slider and the upper surface butt of stopper this moment seal shrouding and unloading pipe once more, and locking Assembly's setting utilizes the gravity that cursory self exists to realize locking assembly's use, and then has improved the leakproofness between unloading pipe and the shrouding, satisfies the automatic effect that adds the china ink of printer simultaneously, has guaranteed the work efficiency of printer, has reduced staff's work load.

Preferably, the second pressure spring is located at the center of the lower surface of the adjusting block.

Through adopting above-mentioned technical scheme, the second pressure spring is located the central point of regulating block lower surface and puts, draws when the regulating block downstream when the connecting wire draws, and the regulating block is more balanced to the pressure that the second pressure spring was applyed to guarantee the stability in use of locking subassembly.

Preferably, the slider is close to the one end of stopper, and the one side that keeps away from the stopper is leaned gradually to the slider upper surface from the slider lower surface.

Through adopting above-mentioned technical scheme, when the slider resets, the slider is gradually to the lopsidedness of keeping away from the stopper, can make things convenient for to take place relative displacement between stopper and the regulating block to locking Assembly in time resets, when printing ink in the ink horn reached a certain amount, can realize sealing the timely unloading pipe of shrouding, thereby guarantees the unloading volume of printing ink.

Preferably, the charging barrel is fixedly connected to the center of the upper surface of the machine body.

Through adopting above-mentioned technical scheme, when beating printer head and moving along the length direction of organism, feed cylinder fixed connection can reduce the length of hose in organism length direction central point position, can reduce the hose after hose length shortens to beat printer head's influence to guarantee to beat printer head's stability of removing.

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

1. the feeding assembly and the blanking assembly can automatically add ink according to the amount of ink in the ink box, so that the working efficiency of the printer is ensured, and the workload of workers is reduced;

2. the arrangement of the locking assembly increases the sealing property between the sealing plate and the blanking pipe, and meanwhile, the locking assembly realizes the automatic locking of the sealing plate by utilizing the power provided by the blanking assembly, so that the use stability of the blanking assembly is increased;

3. the feed cylinder is located organism length direction central point and puts, has shortened the length of hose to the influence of stability when having reduced the hose and having removed printer head, thereby guaranteed the stability of printer work.

Drawings

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

FIG. 2 is a partial cross-sectional view of the parts showing the blanking assembly;

FIG. 3 is a partial cross-sectional view of the seal layer;

fig. 4 is a partial cross-sectional view showing the locking assembly.

In the figure, 1, a machine body; 2. a print head; 3. an ink cartridge; 4. a supply assembly; 41. a charging barrel; 42. a hose; 43. a pressure pump; 5. a blanking assembly; 51. a discharging pipe; 52. closing the plate; 53. a torsion spring; 54. a connecting wire; 55. floating; 6. a sealing layer; 7. a locking assembly; 71. a limiting block; 72. supporting a tube; 73. an adjusting tube; 74. a fixing plate; 75. a slider; 751. a chute; 76. an adjusting block; 77. a first pressure spring; 78. and the second pressure spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an ink supply device of a printing machine.

Referring to fig. 1 and 2, the ink supply device of the printer includes a body 1, a print head 2 and an ink cartridge 3 fixedly connected above the print head 2 and providing ink for the print head 2 are linearly reciprocated along a direction perpendicular to a transmission direction of a printing medium, a moving direction of the print head 2 is the same as a length direction of the body 1, a feeding assembly 4 for providing materials for the ink cartridge 3 is arranged on the body 1, a discharging assembly 5 for controlling the feeding assembly 4 to add ink into the ink cartridge 3 is arranged between the feeding assembly 4 and the ink cartridge 3, the feeding assembly 4 can add ink into the ink cartridge 3 when in use, and meanwhile, the feeding assembly 4 and the discharging assembly 5 are matched for use, so that accurate ink addition to the ink cartridge 3 is realized, ink can be timely added into the ink cartridge 3, and the working efficiency of the printer is guaranteed while the workload of workers is reduced.

Referring to fig. 1, the supply assembly 4 includes a material cylinder 41, a hose 42 and a pressure pump 43, the material cylinder 41 is fixedly connected with the machine body 1, the pressure pump 43 is fixedly connected to the upper surface of the material cylinder 41, pressurization of the material cylinder 41 is realized, one end of the hose 42 is inserted into the hose 42 and is abutted to the inner wall of the bottom end of the material cylinder 41, one end of the hose 42, which is far away from the material cylinder 41, is communicated with the top end of the ink cartridge 3, when the supply assembly 4 is used for adding ink into the discharging assembly 5, the pressure pump 43 is started, the air pressure in the material cylinder 41 can be larger than the air pressure outside through the arrangement of the pressure pump 43, so that the ink in the material cylinder 41 is injected into the ink cartridge 3 through the hose 42, and the arrangement. The cartridge 41 is located at the center of the length direction of the body 1, and at this time, the length of the hose 42 is the smallest, and the length of the hose 42 is reduced, so that the influence of the movement stability of the hose 42 and the print head 2 is reduced, and the working stability of the printer is ensured.

Referring to fig. 2, the blanking assembly 5 includes a blanking tube 51, a sealing tube, a torsion spring 53, a connection line 54 and a float 55, the blanking tube 51 penetrates the top end of the ink cartridge 3, while one end of the hose 42 away from the blanking tube 51 is communicated with one end of the blanking tube 51 outside the charging barrel 41, the sealing plate 52 is located in the housing, and the upper surface of the sealing plate 52 abuts against the end surface of the blanking tube 51 located in the ink cartridge 3, the torsion spring 53 is fixedly connected with the sealing plate 52 and the blanking tube 51, one end of the connection line 54 is fixedly connected with the sealing plate 52, the remaining end of the connection line 54 is fixedly connected with the float 55, the connection line 54 is made of a soft material, when the float 55 abuts against the bottom end of the ink cartridge 3, the length of the connection line 54 is smaller than the distance between the upper surface of the float 55 and the lower surface of the sealing plate 52, when the ink in the ink cartridge 3 is less, the ink in the, drive shrouding 52 simultaneously and use torsional spring 53 to rotate as the pin joint, thereby realize shrouding 52 and the separation of unloading pipe 51, the printing ink in the feed cylinder 41 accesss to in the ink horn 3 through unloading pipe 51 this moment, when being full of printing ink in the ink horn 3, the buoyancy that the printing ink provided floats with cursory 55, connecting wire 54 is in the bending state this moment, the pulling force to shrouding 52 has been eliminated, shrouding 52 resets under torsional spring 53's effect, realized closing unloading pipe 51, unloading subassembly 5 uses the effect of having realized adding the china ink in automatic to the ink horn 3 with the cooperation of feed subassembly 4, and then the work efficiency of printer has been guaranteed, staff's work load has been reduced simultaneously.

Referring to fig. 3, the lateral wall fixedly connected with sealing layer 6 of shrouding 52 and unloading pipe 51 butt, sealing layer 6 chooses for use rubber to make as the raw materials, and sealing layer 6 is the shrink form gradually from the one side of being close to shrouding 52 to the one side of keeping away from shrouding 52, and when shrouding 52 and unloading pipe 51 were in airtight state, sealing layer 6 inlayed and established in unloading pipe 51 to with the inner wall butt of unloading pipe 51, it can make things convenient for sealing layer 6 to peg graft in unloading pipe 51 to be the shrink form gradually.

Referring to fig. 3 and 4, a locking assembly 7 for locking the closing plate 52 and the blanking pipe 51 to ensure the tightness of the closing plate 52 and the blanking pipe 51 is disposed on a side of the closing plate 52 remote from the blanking pipe 51, the locking assembly 7 includes a limit block 71, a support tube 72, an adjusting tube 73, a slide block 75, an adjusting block 76, a first compression spring 77 and a second compression spring 78, the limit block 71 is fixedly connected to a side of the circumferential side wall of the blanking pipe 51 remote from the torsion spring 53, the limit block 71 is gradually inclined from the upper surface to the lower surface towards a side close to the blanking pipe 51, the upper surface of the limit block 71 is perpendicular to the axial side wall of the blanking pipe 51, the support tube 72 is fixedly connected to the upper surface of the closing plate 52, the support tube 72 is perpendicular to the closing plate 52, the adjusting tube 73 is fixedly connected to an end of the support tube 72 remote from the, one end of the adjusting pipe 73 far away from the supporting pipe 72 is positioned at one side close to the limiting block 71, the sliding block 75 is inserted in the adjusting pipe 73 in a sliding mode, the upper surface of the sliding block 75 is provided with a sliding groove 751, the opening direction of the sliding groove 751 is the same as the length direction of the sliding block 75, the fixing plate 74 is fixedly connected to the inner wall of the adjusting pipe 73 and slides in the sliding groove 751 along the opening direction of the sliding groove 751, the first pressure spring 77 is positioned between the fixing plate 74 and the side wall of the sliding groove 751 far away from one end of the limiting block 71, the adjusting block 76 is positioned in the adjusting pipe 73, the adjusting block 76 is positioned at one end of the sliding block 75 far away from the limiting block 71, the second pressure spring 78 is positioned between the lower surface of the adjusting block 76 and the inner wall of the adjusting pipe 73, when the adjusting block 76 is not subjected to external force, the second pressure spring 78 is, when the sealing plate 52 is fixed with the blanking tube 51 by using the locking assembly 7, the lower surface of the slider 75 abuts against the upper surface of the limit block 71, at this time, the sealing plate 52 and the blanking tube 51 are in a locked state, when the ink in the ink cartridge 3 decreases, the ink generates buoyancy and cannot support the float 55, the float 55 moves downward under the action of its own gravity, at this time, the connecting wire 54 is in a stretched state, the adjusting block 76 moves downward under the action of the gravity of the float 55, at this time, the second pressure spring 78 is in a compressed state, due to the special shape of the adjusting block 76, during the downward movement of the adjusting block 76, the slider 75 moves to the side away from the limit block 71 under the action of the first pressure spring 77, at this time, the limit block 71 does not abut against the slider 75 any more, under the action of the gravity of the float 55, the torsion force of the torsion spring 53 is counteracted, and the sealing plate 52 is driven, at this moment, the ink flow direction of the charging barrel 41 is into the ink box 3, when the ink in the ink box 3 is enough to float the buoy 55, the pulling force received by the adjusting block 76 disappears, the second pressure spring 78 drives the adjusting block 76 to reset, the first pressure spring 77 drives the slider 75 to reset, the lower surface of the slider 75 is abutted to the upper surface of the limiting block 71 at this moment, the sealing plate 52 is sealed with the blanking pipe 51 again, the gravity of the buoy 55 per se existing in the setting of the locking assembly 7 is utilized to realize the use of the locking assembly 7, further, the sealing performance between the blanking pipe 51 and the sealing plate 52 is improved, the automatic ink adding effect of the printer is met simultaneously, the working efficiency of the printer is ensured, and the workload of workers is reduced.

Referring to fig. 4, the second compression spring 78 is located at the center of the lower surface of the adjusting block 76, the connecting wire 54 penetrates through the central gap of the second compression spring 78 to be fixedly connected with the adjusting block 76, and when the adjusting block 76 is subjected to a pulling force transmitted by the connecting wire 54, the second compression spring 78 is located at the center to facilitate the compression and resetting of the second compression spring 78.

The implementation principle of the ink supply device of the printing machine in the embodiment of the application is as follows: the printer is when the long-time continuous operation of needs, need timely to add printing ink in the ink horn 3, unloading subassembly 5 can realize adding printing ink in 3 according to the printing ink volume in the ink horn 3 with the setting of feed assembly 4 automatically, the setting of sealing layer 6 and locking Assembly 7 has improved the leakproofness that shrouding 52 and unloading pipe 51 are connected simultaneously, thereby the effect of automatic quick stable accurate material loading has been realized, thereby the work efficiency of printer has been guaranteed, staff's work load has been reduced simultaneously.

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

Claims

1. An ink supply device of a printing press, comprising a body (1), a printing head (2) which makes a reciprocating linear motion in a direction perpendicular to a conveying direction of a printing medium, and a plurality of ink cartridges (3) fixedly connected to the printing head (2), characterized in that: a feeding assembly (4) used for providing ink for the ink box (3) is arranged above the machine body (1), the feeding assembly (4) comprises a charging barrel (41), a hose (42) and a pressure pump (43), the charging barrel (41) is fixedly connected with the machine body (1), the pressure pump (43) is fixedly connected to the top end of the charging barrel (41), one end of the hose (42) penetrates through the side wall of the charging barrel (41) and is abutted against the bottom end of the charging barrel (41), the remaining end of the hose (42) is fixedly communicated with the ink box (3), a blanking assembly (5) used for controlling the ink in the feeding assembly (4) to flow to the ink box (3) is arranged between the feeding assembly (4) and the ink box (3), the blanking assembly (5) comprises a blanking pipe (51), a sealing plate (52), a torsion spring (53), a connecting wire (54) and a float (55), the blanking pipe (51) penetrates through the top end of the ink box (3) and is, one end of the hose (42) far away from the charging barrel (41) is communicated with the charging barrel (41), the sealing plate (52) is positioned in the ink box (3), the sealing plate (52) and the blanking pipe (51) are connected through a torsion spring (53), the connecting wire (54) is fixedly connected with the lower surface of the sealing plate (52), the buoy (55) is fixedly connected with one end of the connecting wire (54) far away from the sealing plate (52), and when the buoy (55) is abutted against the bottom end of the ink box (3), the length of the connecting wire (54) is smaller than the distance between the upper surface of the buoy (55) and the lower surface of the sealing plate (52).

2. The ink supply device of a printing press according to claim 1, wherein: one side fixedly connected with that shrouding (52) are close to unloading pipe (51) is used for increasing the sealing layer (6) of leakproofness between shrouding (52) and unloading pipe (51), and when shrouding (52) sealed unloading pipe (51), sealing layer (6) were inlayed and are established in unloading pipe (51).

3. The ink supply device of a printing press according to claim 2, wherein: one side of the sealing layer (6) close to the supporting plate and the side far away from the supporting plate gradually shrinks.

4. The ink supply device of a printing press according to claim 1, wherein: one end, far away from the hinged end of the seal plate (52) and the blanking pipe (51), of the seal plate (52) is provided with a locking assembly (7) used for locking the seal plate (52) and the blanking pipe (51), and one end, far away from the buoy (55), of the connecting line (54) penetrates through the seal plate (52) and is connected with the locking assembly (7).

5. The ink supply device of a printing press according to claim 4, wherein: the locking assembly (7) comprises a limiting block (71), a supporting pipe (72), an adjusting pipe (73), a fixing plate (74), a sliding block (75), an adjusting block (76), a first pressure spring (77) and a second pressure spring (78), the limiting block (71) is fixedly connected with the circumferential side wall of the discharging pipe (51), the upper surface of the limiting block (71) gradually inclines towards one side close to the discharging pipe (51) from the lower surface to the upper surface, the supporting pipe (72) is fixedly connected with the upper surface of the sealing plate (52), the supporting pipe (72) is perpendicular to the upper surface of the sealing plate (52), the adjusting pipe (73) is fixedly connected with one end, far away from the sealing plate (52), of the supporting pipe (72), the adjusting pipe (73) is of a rectangular tubular structure, one end, far away from the supporting pipe (72), of the adjusting pipe (73) is located at one side close to the limiting block (71), the sliding block (75) is inserted into the adjusting pipe (73), and a, fixed plate (74) fixed connection is in adjusting pipe (73) inner wall, and fixed plate (74) slide along the direction of seting up of spout (751) in spout (751), first pressure spring (77) are located between the lateral wall of fixed plate (74) and spout (751) keep away from stopper (71) one end, regulating block (76) are located adjusting pipe (73), and are located the one end that stopper (71) were kept away from to slider (75), second pressure spring (78) are located between regulating block (76) lower surface and adjusting pipe (73), when regulating block (76) do not receive external force, second pressure spring (78) are in natural state, regulating block (76) are close to the lateral wall of slider (75) and from the lower surface to the upper surface slope to the one side of keeping away from slider (75) gradually, connecting wire (54) run through adjusting pipe (73) and regulating block (76) fixed connection.

6. The ink supply device of a printing press according to claim 5, wherein: the second pressure spring (78) is positioned in the center of the lower surface of the adjusting block (76).

7. The ink supply device of a printing press according to claim 5, wherein: the sliding block (75) is close to one end of the limiting block (71), and is gradually inclined to one side far away from the limiting block (71) from the lower surface of the sliding block (75) to the upper surface of the sliding block (75).

8. The ink supply device of a printing press according to claim 1, wherein: the charging barrel (41) is fixedly connected to the center of the upper surface of the machine body (1).