CN212289171U - Even labeller inking device of inking - Google Patents

Abstract

A labeling machine inking device with uniform inking comprises two fixing plates, a fixing seat, an ink supply mechanism, an ink transfer mechanism and an ink coating mechanism, wherein the fixing seat, the ink supply mechanism, the ink transfer mechanism and the ink coating mechanism are arranged between the two fixing plates; the ink supply mechanism comprises mounting plates fixedly connected to the two fixing plates, an ink box detachably connected to the mounting plates, an ink supply roller rotatably connected to the two fixing plates and positioned between the fixing seat and the mounting plates, and an ink supply motor for driving the ink supply roller to rotate; the ink transfer mechanism comprises a second ink transfer roller, a first ink transfer roller and an ink transfer driving assembly, wherein the second ink transfer roller is arranged between the ink supply roller and the fixed seat and is rotatably connected between the two fixed plates; the inking mechanism comprises at least one inking roller and an inking driving component which is arranged on the fixing plates and drives the inking roller to rotate around the fixing seat and the second ink transfer roller between the two fixing plates. The advantages are that: the printing plate can be uniformly inked.

Description

Even labeller inking device of inking

Technical Field

The utility model relates to a labeller especially relates to an even labeller inking device of inking.

Background

A labeler, also called a label printer, is a device for printing labels. When using label printing machine printing label, the printing device among the label printing machine is inked inhomogeneously always be the difficult problem of the whole printing industry of puzzlement, and the utility model discloses then aim at providing an inking even labeller inking device to solve the printing device among the label printing machine and inked inhomogeneous problem.

Chinese patent publication No. CN102152610B discloses an intermittent label printing machine with a film laminating device, which comprises a frame, wherein the frame is sequentially provided with a raw material unwinding device, a printing device, a film laminating device, a die cutting device and a winding device, the film laminating device comprises a film material unwinding roller set and a film laminating roller set, the film laminating roller set comprises a base, a roller frame and a film laminating roller pair, the roller frame is fixed on the base, the film laminating roller pair is pivoted on the roller frame, a position adjusting device is arranged between the base and the frame, and the base is arranged on the frame in a manner of being capable of translating along a feeding direction through the position adjusting device; through the position adjusting device, the base can be moved back and forth along the feeding direction, so that the position of the laminating roller pair is adjusted, an indentation formed by the laminating roller pair extruding a material belt is adjusted between two labels in the intermittent process of label printing, the indentation is prevented from being formed on a label product, and the product quality is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inking device of labeller that the inking is even, its advantage is: the printing plate can be uniformly inked.

The above object of the present invention can be achieved by the following technical solutions: a labeling machine inking device with uniform inking comprises two fixing plates, a fixing seat, an ink supply mechanism, an ink transfer mechanism and an ink coating mechanism, wherein the fixing seat, the ink supply mechanism, the ink transfer mechanism and the ink coating mechanism are arranged between the two fixing plates;

a printing plate mounting position is arranged on the lower side of the fixed seat;

the ink supply mechanism comprises mounting plates fixedly connected to the two fixing plates, an ink box detachably connected to the mounting plates, an ink supply roller rotatably connected to the two fixing plates and located between the fixing seat and the mounting plates, and an ink supply motor for driving the ink supply roller to rotate, wherein an ink supply opening is formed in one side, facing the ink supply roller, of the ink box, and an ink supply gap is reserved between the ink supply roller and the ink supply opening of the ink box;

the ink transfer mechanism comprises a second ink transfer roller, an ink transfer motor, a first ink transfer roller and an ink transfer driving assembly, wherein the second ink transfer roller is arranged between the ink supply roller and the fixed seat and is rotatably connected between the two fixed plates;

the inking mechanism comprises at least one inking roller and an inking driving assembly which is arranged on the fixing plates and drives the inking roller to rotate around the fixing seat and the second inking roller between the two fixing plates.

According to the technical scheme, the printed board mounting position on the lower side of the fixed seat is used for mounting the printed board; when inking, the ink supply motor drives the ink supply roller to rotate, so that the ink in the ink box is adhered to the ink supply roller; the first ink transfer roller abuts against the ink supply roller under the action of the ink transfer driving assembly, so that the first ink transfer roller rotates along with the ink supply roller, and ink on the ink supply roller is adhered to the first ink transfer roller; then the first ink transfer roller abuts against the second ink transfer roller under the action of the ink transfer driving assembly, and the first ink transfer roller and the second ink transfer roller rotate together under the action of the ink transfer motor, so that the first ink transfer roller transfers ink to the second ink transfer roller and spreads the ink on the second ink transfer roller thin and evenly; the inking roller then, in turn, is passed over the second ink transfer roller by the inking drive assembly so that the second ink transfer roller applies ink to the inking roller which then applies ink uniformly to the printing plate through the printing plate mounting location.

The utility model discloses further set up to: a threaded hole is formed in the lower side of the ink box, and a fastening bolt is screwed in the threaded hole; and one side of the mounting plate, which is back to the ink supply roller, is provided with a notch for the threaded rod part of the fastening bolt to pass through.

Through the technical scheme, the ink box is convenient for workers to replace and clean the ink box; the worker can detach the ink cartridge from the mounting plate by loosening the fastening bolt.

The utility model discloses further set up to: ink blocking pieces are integrally formed on the ink box and two sides of the ink supply port, an annular groove into which the ink blocking pieces extend is formed in the ink supply roller, the ink blocking pieces extend into the annular groove, and opposite sides of the two ink blocking pieces are abutted to the side wall of the annular groove;

an ink adjusting sheet is arranged in the ink box, one end of the ink adjusting sheet is hinged with the upper edge of one end of the ink box far away from the ink supply port, and two sides of the ink adjusting sheet are abutted against the side wall of the ink box and the ink blocking sheet; and a driving piece for driving the ink adjusting piece to rotate around the hinged end of the ink adjusting piece is arranged in the ink box.

Through the technical scheme, a worker can drive the ink adjusting sheet to rotate around the hinged end of the ink adjusting sheet by operating the driving piece, so that the size of a gap between the ink adjusting sheet and the ink supply roller is adjusted, and the ink supply amount of the ink supply mechanism is adjusted.

The utility model discloses further set up to: the driving piece is a jackscrew, and the jackscrew penetrates into the ink box from one side of the ink box back to the ink supply roller and is in threaded connection with the side wall of the ink box; one end of the jackscrew penetrating into the ink box is abutted to the ink adjusting sheet.

Through the technical scheme, the ink supply amount of the ink supply mechanism is easier to adjust and more accurate. The worker can push the ink adjusting sheet to rotate upwards around the hinged end of the ink adjusting sheet by continuously screwing the jackscrew into the ink box, so that the gap between the ink adjusting sheet and the ink supply roller is reduced, and the ink supply amount of the ink supply mechanism is reduced; on the contrary, the worker continuously screws the jackscrew out of the ink box, and the ink supply amount of the ink supply mechanism is increased.

The utility model discloses further set up to: an ink adjusting spring is fixed between the lower side of the ink adjusting sheet and one side of the ink box facing the ink supply port, and the ink adjusting spring is always in a stretching state.

Through the technical scheme, the influence of the vibration of the printing machine on the ink supply precision of the ink supply device is greatly reduced.

The utility model discloses further set up to: the ink transfer driving assembly comprises a connecting shaft and a driving shaft which are rotatably connected between two fixing plates, and a driving motor for driving the driving shaft to rotate is mounted on each fixing plate; two connecting arms are fixed on the connecting shaft, and the first ink transfer roller is rotationally connected between the two connecting arms; a return spring is fixed on at least one connecting arm, and one end of the return spring, which is far away from the connecting arm, is fixedly connected with the fixing plate; the driving shaft is fixedly connected with a cam, the connecting shaft is fixedly connected with a swing arm, and the swing arm is abutted against the side wall of the cam at all times under the action of a return spring.

Through above-mentioned technical scheme, under driving motor's drive, the whole circle of drive shaft rotates to make the connecting axle reciprocating rotation under cam, swing arm and reset spring's effect, thereby make first ink transfer roller reciprocating motion between ink feed roller and second ink transfer roller, thereby make first ink transfer roller can be with supplying ink on the roller to transmit on the second ink transfer roller.

The utility model discloses further set up to: the inking driving assembly comprises supporting plates arranged between two fixing plates, the two supporting plates are respectively fixed on two sides of the fixing seat, and chains are arranged on the sides, away from each other, of the two supporting plates through chain wheels; two ends of the inking roller are rotatably connected with connecting pieces, and the two connecting pieces are respectively connected to the two chains; the inking roller is fixedly sleeved with a roller which is abutted against the peripheral side wall of the supporting plate;

the second ink transfer roller penetrates through the two supporting plates, and the ink transfer motor drives the chain and the second ink transfer roller to synchronously rotate;

one side fixedly connected with connecting block of backup pad dorsad fixing base, connecting block and fixed plate rigid coupling.

Through the technical scheme, the second ink transfer roller and the chain synchronously rotate under the driving of the ink transfer motor, the inking roller rotates around the fixing plate under the action of the chain, and when the inking roller rotates to the second ink transfer roller, ink on the second ink transfer roller can be transferred to the inking roller; when the inking roller is rotated to the printing plate mounting position, the inking roller can evenly ink the printing plate with the ink thereon.

The utility model discloses further set up to: the second ink transfer roller comprises a shaft body and an ink transfer sleeve fixedly sleeved on the shaft body, the ink transfer sleeve is positioned between the two support plates, the shaft body penetrates through the support plates to be fixedly connected with the chain wheel, and the shaft body is rotatably connected to the fixing plate; the ink transmission motor is in belt transmission with the shaft body.

Through above-mentioned technical scheme, the ink transfer motor can drive second distributor roller and two chains rotation in step.

To sum up, the utility model discloses a beneficial technological effect does: the ink can be uniformly applied to the printing plate, and the ink supply amount of the ink supply mechanism is high in precision and convenient to adjust.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a schematic view of the overall structure in another direction according to the first embodiment;

FIG. 3 is a schematic view of the overall structure of the second embodiment;

FIG. 4 is a schematic view showing the structure of an ink cartridge according to a second embodiment.

In the figure, 1, fixing plate; 2. a fixed seat; 3. an ink supply mechanism; 31. mounting a plate; 311. a notch; 32. an ink cartridge; 322. fastening a bolt; 323. an ink blocking sheet; 324. a toner sheet; 325. carrying out top thread; 326. an ink regulating spring; 33. an ink supply roller; 331. an annular groove; 34. an ink supply motor; 4. an ink transfer mechanism; 41. a first transfer roller; 42. a second ink transfer roller; 421. an ink transfer sleeve; 422. a shaft body; 43. an ink transfer motor; 44. a connecting shaft; 45. a drive shaft; 46. a drive motor; 47. a connecting arm; 48. a return spring; 49. a cam; 40. swinging arms; 5. an ink applying mechanism; 51. an inking roller; 52. a support plate; 53. a sprocket; 54. a chain; 55. a connecting member; 56. and a roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, for the utility model discloses a labeling machine inking device that inking is even for carry out even inking to the printing plate, labeling machine inking device includes two fixed plates 1 and installs fixing base 2 that is used for the fixed printing plate between two fixed plates 1, is used for scribbling the china ink with the ink and constructs 5, be used for continuously providing the black mechanism 3 of ink and be used for passing black mechanism 4 on the china ink mechanism 5 with the ink that supplies black mechanism 3 provided.

Referring to fig. 1 and 2, the ink supply mechanism 3 includes a mounting plate 31 fixedly coupled between two fixing plates 1, an ink cartridge 32 disposed on the mounting plate 31, an ink supply roller 33 rotatably coupled between the two fixing plates 1, and an ink supply motor 34 fixed outside one fixing plate 1; the ink supply roller 33 is positioned between the mounting plate 31 and the fixed seat 2, one end of the ink supply roller 33 passes through the fixed plate 1 to be connected with an ink supply motor 34 through a belt, so that when the ink supply motor 34 works, the ink supply roller 33 rotates along with an output shaft of the ink supply motor 34; of course, the output shaft of the ink supply motor 34 and the ink supply roller 33 can be driven by chain transmission, gear transmission, shaft coupling transmission, etc.

An ink supply port is arranged on one side of the ink box 32 facing the ink supply roller 33, and ink blocking sheets 323 are integrally formed on the ink box 32 and two sides of the ink supply port; an annular groove 331 into which the ink blocking sheet 323 extends is formed in the ink supply roller 33, the ink blocking sheet 323 extends into the annular groove 331, and the opposite sides of the two ink blocking sheets 323 are abutted against the side wall of the annular groove 331. An ink supply gap is left between the bottom wall of the ink tank 32 and the ink supply roller 33, ink on the ink tank 32 adheres to the ink supply roller 33 as the ink supply roller 33 rotates, and the size of the ink supply gap determines the thickness of ink on the ink supply roller 33, i.e., the ink supply amount of the ink supply mechanism 3.

Referring to fig. 2, a threaded hole is formed in the lower side of the ink cartridge 32, and a fastening bolt 322 is screwed into the threaded hole; a notch 311 is opened on the side of the mounting plate 31 facing away from the ink supply roller 33, a threaded rod portion of the fastening bolt 322 passes through the notch 311, and the head portion of the fastening bolt 322 and the ink cartridge 32 clamp the mounting plate 31. The operator can adjust the ink supply amount of the ink supply mechanism 3 by loosening the nut to detach the ink cartridge 32 from the mounting plate 31 or to adjust the position between the ink cartridge 32 and the ink supply roller 33.

Referring to fig. 1 and 2, the ink transfer mechanism 4 includes a second ink transfer roller 42 rotatably connected between two fixing plates 1 and between a fixing base 2 and an inking roller 33, an ink transfer motor 43 driving the second ink transfer roller 42 to rotate, a first ink transfer roller 41 disposed between the second ink transfer roller 42 and the inking roller 33, and an ink transfer driving assembly driving the first ink transfer roller 41 to reciprocate between the inking roller 33 and the second ink transfer roller 42.

The second ink transfer roller 42 comprises a shaft body 422 which is rotatably connected between the two fixing plates 1 and an ink transfer sleeve 421 fixedly sleeved on the shaft body 422, one end of the shaft body 422 passes through the fixing plates 1 and is in belt connection with the ink transfer motor 43, so that when the ink transfer motor 43 works, the second ink transfer roller 42 rotates along with the ink transfer motor 43; of course, the shaft 422 and the output shaft of the ink transmission motor 43 can be transmitted by chain transmission, gear transmission, shaft coupling transmission and the like.

The ink transfer drive assembly comprises a connecting shaft 44 and a driving shaft 45 which are rotatably connected between the two fixing plates 1, two connecting arms 47 are fixed on the connecting shaft 44, and the first ink transfer roller 41 is rotatably connected between the two connecting arms 47. Specifically, the method comprises the following steps: a through hole penetrating through two opposite sides of the connecting arm 47 is formed in one end, far away from the first ink transfer roller 41, of the connecting arm 47, a notch communicated with the through hole is formed in the end face, far away from the first ink transfer roller 41, of one end of the connecting arm 47, the through hole and the notch are arranged, so that two clamping bodies are formed at one end, far away from the first ink transfer roller 41, of the connecting arm 47, and clamping bolts penetrate through the two clamping bodies; the clamping bolt is in sliding fit with the clamping body close to the head of the clamping bolt and is in threaded connection with the clamping body far away from the head of the clamping bolt. The connecting shaft 44 passes through the through hole on the connecting arm 47, and a worker can clamp the connecting shaft 44 by tightening the clamping bolt, so that the connecting shaft 44 and the connecting arm 47 cannot rotate relatively; the position of the connecting arm 47 on the connecting shaft 44 can also be adjusted by loosening the clamping bolt. Of course, the connecting arm 47 may be connected and fixed to the connecting shaft 44 by welding or the like.

A driving motor 46 is installed on the outer side of one fixing plate 1, and one end of the driving shaft 45 passes through the fixing plate 1 to be connected with the driving motor 46 through a belt, so that when the driving motor 46 works, the driving shaft 45 rotates along with the output shaft of the driving motor 46; of course, the transmission between the driving shaft 45 and the output shaft of the driving motor 46 can also be performed by chain transmission, gear transmission, shaft coupling transmission and the like.

Referring to fig. 1 and 2, a return spring 48 is fixedly connected to at least one connecting arm 47 (one example is taken as an example in the embodiment), and one end of the return spring 48 away from the connecting arm 47 is fixedly connected with the fixing plate 1; the cam 49 is fixedly connected to the driving shaft 45, the swing arm 40 is fixedly connected to the connecting shaft 44, specifically, the swing arm 40 comprises a swing rod fixed to the connecting shaft 44 and a rotating wheel rotatably connected to one side of the swing rod far away from the connecting shaft 44, the connection mode of the swing rod and the connecting shaft 44 is the same as that of the connecting arm 47 and the connecting shaft 44, and therefore, the description is omitted; the peripheral side wall of the runner is always abutted against the peripheral side wall of the cam 49 by the return spring 48.

When the swing arm 40 abuts on the distal rest end of the cam 49, the first ink transfer roller 41 abuts on the second ink transfer roller 42; when the swing arm 40 abuts on the near rest end of the cam 49, the first ink transfer roller 41 abuts on the ink supply roller 33 so that the first ink transfer roller 41 can transfer the ink on the ink supply roller 33 to the second ink transfer roller 42.

Referring to fig. 2, a printing plate mounting position is provided at the lower side of the fixing base 2, and the printing plate can be fixed at the printing plate mounting position at the lower side of the fixing base 2 by means of bonding, welding, bolting, or the like.

Referring to fig. 1 and 2, the inking mechanism 5 includes at least one inking roller 51 and an inking drive assembly mounted on the fixed plate 1 for driving the inking roller 51 to rotate between the two fixed plates 1 about the fixed base 2 and the second ink transfer roller 42.

Scribble black drive assembly including set up the backup pad 52 that the outline is waist shape between two fixed plates 1, two backup pads 52 are fixed respectively in the both sides of fixing base 2, one side fixedly connected with connecting block (not shown in the figure) of backup pad 52 dorsad fixing base 2, connecting block and fixed plate 1 rigid coupling. The sides of the two support plates 52 which are far away from each other are provided with chains 54 through chain wheels 53; two ends of the inking roller 51 are rotatably connected with connecting pieces 55, and the two connecting pieces 55 are respectively hinged on two chains 54 through pin shafts; in the present embodiment, six inking rollers 51 are provided, wherein every three inking rollers 51 are provided in one set, and two sets of coating rollers are symmetrically provided on the chain 54. The ink application roller 51 is fixedly fitted with a roller 56, and the roller 56 is in contact with the peripheral side wall of the support plate 52. The ink transfer cylinder is located between the two support plates 52, and the shaft member penetrates through the support plates 52 and is fixedly connected with the chain wheel 53.

In this way, when the ink transfer motor 43 rotates the second ink transfer roller 42, the sprocket 53 rotates together with the second ink transfer roller 42, so that the inking roller 51 rotates around the fixing plate 1, and when the inking roller 51 rotates to the second ink transfer roller 42, the ink on the second ink transfer roller 42 is transferred to the inking roller 51; when the inking roller 51 is rotated to the printing plate mounting position, the inking roller 51 uniformly inks the ink thereon to the printing plate.

The implementation principle of the embodiment is as follows: when in use, the printing plate is arranged at the printing plate mounting position at the lower side of the fixed seat 2; when inking, the inking motor 34 drives the inking roller 33 to rotate, so that the ink in the ink box 32 adheres to the inking roller 33; the first ink transfer roller 41 abuts against the ink supply roller 33 under the action of the ink transfer drive assembly, so that the first ink transfer roller 41 rotates along with the ink supply roller 33, and the ink on the ink supply roller 33 adheres to the first ink transfer roller 41; the first ink transfer roller 41 then abuts against the second ink transfer roller 42 under the action of the ink transfer drive assembly, and the first ink transfer roller 41 and the second ink transfer roller 42 rotate together under the action of the ink transfer motor 43, so that the first ink transfer roller 41 transfers ink to the second ink transfer roller 42 and spreads and homogenizes the ink on the second ink transfer roller 42; the inking roller 51 then again passes over the second ink transfer roller 42 under the action of the inking drive assembly so that the second ink transfer roller 42 applies ink to the inking roller 51, and the inking roller 51 then applies ink uniformly to the printing plate via the printing plate mounting location.

Example two:

referring to fig. 3 and 4, the present embodiment is different from the first embodiment in that: the ink box 32 is provided with an ink adjusting sheet 324, one end of the ink adjusting sheet 324 is hinged with the upper edge of one end of the ink box 32 far away from the ink supply port, and two sides of the ink adjusting sheet 324 are abutted with the side wall of the ink box 32 and the ink blocking sheet 323. In addition, a top thread 325 is arranged on the side of the ink box 32 back to the ink supply roller 33, the top thread 325 penetrates into the ink box 32 from the side of the ink box 32 back to the ink supply roller 33 and is in threaded connection with the side wall of the ink box 32, and one end of the top thread 325 penetrating into the ink box 32 is abutted to the ink adjusting piece 324.

An ink adjusting spring 326 is fixed between the lower side of the ink adjusting sheet 324 and the side of the ink cartridge 32 facing the ink supply port, and the ink adjusting spring 326 is always in a stretched state.

The operator can drive the ink adjusting sheet 324 to rotate around the hinged end thereof by screwing the jackscrew 325, so as to adjust the size of the gap between the ink adjusting sheet 324 and the ink supply roller 33, and thus adjust the ink supply amount of the ink supply mechanism 3; the ink adjusting spring 326 greatly reduces the influence of the vibration of the printing machine on the ink supplying precision of the ink supplying device.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an even labeller inking device of inking which characterized by: comprises two fixed plates (1), a fixed seat (2) arranged between the two fixed plates (1), an ink supply mechanism (3), an ink transfer mechanism (4) and an ink coating mechanism (5);

a printing plate mounting position is arranged on the lower side of the fixed seat (2);

the ink supply mechanism (3) comprises mounting plates (31) fixedly connected to the two fixing plates (1), ink boxes (32) detachably connected to the mounting plates (31), ink supply rollers (33) rotatably connected to the two fixing plates (1) and located between the fixing seats (2) and the mounting plates (31), and ink supply motors (34) driving the ink supply rollers (33) to rotate, wherein ink supply ports are formed in one sides, facing the ink supply rollers (33), of the ink boxes (32), and ink supply gaps are reserved between the ink supply rollers (33) and the ink supply ports of the ink boxes (32);

the ink transfer mechanism (4) comprises a second ink transfer roller (42) which is arranged between the ink supply roller (33) and the fixed seat (2) and is rotationally connected between the two fixed plates (1), an ink transfer motor (43) for driving the second ink transfer roller (42) to rotate, a first ink transfer roller (41) which is arranged between the second ink transfer roller (42) and the ink supply roller (33) and an ink transfer driving component for driving the first ink transfer roller (41) to reciprocate between the ink supply roller (33) and the second ink transfer roller (42);

the inking mechanism (5) comprises at least one inking roller (51) and an inking driving assembly which is arranged on the fixing plates (1) and drives the inking roller (51) to rotate around the fixing seat (2) and the second ink transfer roller (42) between the two fixing plates (1).

2. A uniform inking labeler inking apparatus as claimed in claim 1 wherein: a threaded hole is formed in the lower side of the ink box (32), and a fastening bolt (322) is screwed in the threaded hole; and one side of the mounting plate (31) back to the ink supply roller (33) is provided with a notch (311) for the threaded rod part of the fastening bolt (322) to pass through.

3. A uniform inking labeler inking apparatus as claimed in claim 1 wherein: ink blocking sheets (323) are integrally formed on the ink box (32) and two sides of the ink supply port, an annular groove (331) into which the ink blocking sheets (323) extend is formed in the ink supply roller (33), the ink blocking sheets (323) extend into the annular groove (331), and the opposite sides of the two ink blocking sheets (323) are abutted against the side wall of the annular groove (331);

an ink adjusting sheet (324) is arranged in the ink box (32), one end of the ink adjusting sheet (324) is hinged with the upper edge of one end, far away from the ink supply port, of the ink box (32), and two sides of the ink adjusting sheet (324) are abutted with the side wall of the ink box (32) and the ink blocking sheet (323); the ink box (32) is internally provided with a driving piece which drives the ink adjusting piece (324) to rotate around the hinged end of the ink adjusting piece.

4. A uniform inking labeler inking apparatus as claimed in claim 3 wherein: the driving piece is a jackscrew (325), and the jackscrew (325) penetrates into the ink box (32) from one side of the ink box (32) back to the ink supply roller (33) and is in threaded connection with the side wall of the ink box (32); one end of the jackscrew (325) penetrating into the ink box (32) is abutted with the ink adjusting sheet (324).

5. A uniform inking labeler inking apparatus as claimed in claim 4 wherein: an ink adjusting spring (326) is fixed between the lower side of the ink adjusting sheet (324) and one side of the ink box (32) facing the ink supply port, and the ink adjusting spring (326) is always in a stretching state.

6. A uniform inking labeler inking apparatus as claimed in claim 1 wherein: the ink transmission driving assembly comprises a connecting shaft (44) and a driving shaft (45) which are rotatably connected between two fixing plates (1), and a driving motor (46) for driving the driving shaft (45) to rotate is mounted on each fixing plate (1); two connecting arms (47) are fixed on the connecting shaft (44), and the first ink transfer roller (41) is rotatably connected between the two connecting arms (47); a return spring (48) is fixed on at least one connecting arm (47), and one end of the return spring (48) departing from the connecting arm (47) is fixedly connected with the fixing plate (1); the driving shaft (45) is fixedly connected with a cam (49), the connecting shaft (44) is fixedly connected with a swing arm (40), and the swing arm (40) is abutted against the side wall of the cam (49) at any time under the action of a return spring (48).

7. A uniform inking labeler inking apparatus as claimed in claim 1 wherein: the ink coating driving assembly comprises supporting plates (52) arranged between the two fixing plates (1), the two supporting plates (52) are respectively fixed on two sides of the fixing seat (2), and chains (54) are mounted on the sides, away from each other, of the two supporting plates (52) through chain wheels (53); two ends of the inking roller (51) are rotatably connected with connecting pieces (55), and the two connecting pieces (55) are respectively connected to the two chains (54); the inking roller (51) is fixedly sleeved with a roller (56), and the roller (56) is abutted against the peripheral side wall of the support plate (52);

the second ink transfer roller (42) penetrates through two supporting plates (52), and the ink transfer motor (43) drives the chain (54) and the second ink transfer roller (42) to rotate synchronously;

one side of the supporting plate (52) back to the fixing seat (2) is fixedly connected with a connecting block, and the connecting block is fixedly connected with the fixing plate (1).

8. A uniform inking labeler inking apparatus as claimed in claim 7 wherein: the second ink transfer roller (42) comprises a shaft body (422) and an ink transfer sleeve (421) fixedly sleeved on the shaft body (422), the ink transfer sleeve (421) is positioned between the two supporting plates (52), the shaft body (422) penetrates through the supporting plates (52) to be fixedly connected with the chain wheel (53), and the shaft body (422) is rotatably connected to the fixing plate (1); the ink transmission motor (43) is in belt transmission with the shaft body (422).

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