CN215473751U

CN215473751U - Printing device for thermal paper production

Info

Publication number: CN215473751U
Application number: CN202121528192.5U
Authority: CN
Inventors: 曾超
Original assignee: Xiamen Anne Enterprise Co ltd
Current assignee: Xiamen Anne Enterprise Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-11
Anticipated expiration: 2031-07-06

Abstract

The application discloses a printing device for thermal paper production, which relates to the technical field of printing equipment and solves the problem of low printing quality; the blanket cylinder is axially provided with a rotating shaft in a penetrating way; the distance between the pressure cylinder and the plate cylinder is smaller than the diameter of the blanket cylinder; the side wall of the machine body is provided with adjusting seats at two ends of the rotating shaft, the adjusting seats are rotatably arranged on the side wall of the machine body, and the machine body is provided with a control piece for controlling the rotating angle of the adjusting seats; the adjusting seat is provided with an adjusting groove, the end part of the rotating shaft is installed in the adjusting groove, and an adjusting piece for driving the rotating shaft to move along the adjusting seat is arranged on the adjusting seat. The application can improve the printing quality.

Description

Printing device for thermal paper production

Technical Field

The application relates to the technical field of printing equipment, in particular to a printing device for thermal paper production.

Background

The printer is a machine for printing characters and images, and plays an important role in the communication and the transmission of human culture.

Referring to fig. 4, a printing press commonly available on the market includes a body 1, an ink transfer roller set 2 installed in the body 1, a plate cylinder 3, a blanket cylinder 4, and a pressure cylinder 5; the plate cylinder 3 abuts on the ink transfer rollers at the end of the ink transfer roller group 2, the blanket cylinder 4 abuts on the plate cylinder 3, and the pressure cylinder 5 abuts on the blanket cylinder 4. The printing paper passes between the pressure cylinder 5 and the blanket cylinder 4, and printing is performed.

In the printing process of the thermal paper, as the thermal paper is coated with a layer of thermal paint, namely a thermal discoloration layer, when printing ink is printed on the thermal paper, powder is easy to be formed on a rubber cylinder, and the paper powder on the rubber cylinder is easy to be transferred into a forme cylinder and the ink, so that excessive ink impurities are caused, and the printing quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve printing quality, the application provides a printing device for producing thermal paper.

The application provides a printing device of thermal paper production adopts following technical scheme:

a printing device for producing thermal paper comprises a machine body, an ink transfer roller set arranged in the machine body, a plate cylinder abutted against the end part of the ink transfer roller set, a blanket cylinder abutted against the plate cylinder, and a pressure cylinder abutted against the blanket cylinder; the blanket cylinder is axially provided with a rotating shaft in a penetrating way; the distance between the pressure cylinder and the plate cylinder is smaller than the diameter of the blanket cylinder;

the side wall of the machine body is provided with adjusting seats at two ends of the rotating shaft, the adjusting seats are rotatably arranged on the side wall of the machine body, and the machine body is provided with a control piece for controlling the rotating angle of the adjusting seats; the adjusting seat is provided with an adjusting groove, the end part of the rotating shaft is installed in the adjusting groove, and an adjusting piece for driving the rotating shaft to move along the adjusting seat is arranged on the adjusting seat.

By adopting the technical scheme, the control piece rotates the adjusting seat to control the direction of the adjusting groove, so that when the adjusting piece drives the rotating shaft to move along the adjusting groove, the moving distance of the blanket cylinder along the horizontal direction and the vertical direction is convenient to control, and the adjustment is more accurate; the pressure between the blanket cylinder and the pressure cylinder is increased, and the pressure between the blanket cylinder and the printing plate cylinder is reduced, so that paper powder on the blanket cylinder is not easy to transfer to the printing plate cylinder, ink is not easy to be polluted, and the printing quality is improved.

Optionally, the adjusting part includes a screw and a mounting seat, a through hole for rotatably connecting an end of the rotating shaft is formed in the mounting seat, the mounting seat is slidably mounted in the adjusting groove, one end of the screw is rotatably connected to the mounting seat, and the screw is axially perpendicular to the axis of the rotating shaft; the screw rod is in threaded connection with the adjusting seat.

By adopting the technical scheme, the screws on two sides of the rotating shaft are synchronously driven to rotate, the mounting seat is driven to move along the direction of the adjusting groove, the rubber roller can be driven to move along the adjusting groove, and the pressure between the rubber roller and the pressure roller and between the rubber roller and the pressure roller can be adjusted.

Optionally, the adjusting seat is provided with an auxiliary bolt at an end of the adjusting groove far away from the screw rod, the auxiliary bolt is in threaded connection with the adjusting seat, and one end of the auxiliary bolt extends into the adjusting groove.

By adopting the technical scheme, the auxiliary bolt is tightly propped against the mounting seat, so that the stability of the blanket cylinder in working is further improved.

Optionally, a fastening groove for inserting the auxiliary bolt is formed in the side wall of the mounting seat.

Through adopting above-mentioned technical scheme, the tip of auxiliary bolt is inserted and is located and support in the tight inslot, further carries out spacing fixed to the mount pad.

Optionally, the control element comprises a worm wheel, a worm and a linkage shaft, the linkage shaft is coaxially connected with the worm wheel, one end of the linkage shaft is connected to the adjusting seat, and the linkage shaft is parallel to the rotating shaft; the side wall of the machine body is provided with a mounting groove for rotating the worm wheel, the worm is rotatably mounted in the mounting groove and meshed with the worm wheel, and a self-locking function is achieved between the worm wheel and the worm.

Through adopting above-mentioned technical scheme, the worm of drive both sides simultaneously rotates for the adjustment tank direction of both sides is unanimous, and through worm gear's self-locking function, keeps the stability of two regulation seats.

Optionally, arc-shaped grooves are formed in the side wall of the machine body on two sides of the adjusting seat, and the circle centers of the arc-shaped grooves are located on the axis of the universal driving shaft; the side wall of the adjusting seat is provided with a butt joint block, the width of the notch of the arc-shaped groove is smaller than that of the groove bottom, and a fastener is arranged between the butt joint block and the arc-shaped groove.

Through adopting above-mentioned technical scheme, adjust the seat and rotate the back, on being fixed in the arc wall with the butt piece through the fastener, keep adjusting the stability of seat.

Optionally, the fastening member includes a fastening bolt and a fastening nut, a bolt head of the fastening bolt is slidably mounted in the arc-shaped groove, and the abutting block is sleeved on the fastening bolt; the fastening nut is in threaded connection with the fastening bolt.

Through adopting above-mentioned technical scheme, fastening bolt passes behind the butt piece, and fastening nut threaded connection is on fastening bolt to support tightly on the butt piece, can be with adjusting the seat further fixed.

Optionally, the end of the arc-shaped groove is provided with a yielding groove for installing a bolt head of the fastening bolt into the arc-shaped groove.

Through adopting above-mentioned technical scheme, the setting of the groove of stepping down is convenient for with fastening bolt's bolt head slidable mounting in the arc wall.

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

1. the control piece rotates the adjusting seat to control the direction of the adjusting groove, so that when the adjusting piece drives the rotating shaft to move along the adjusting groove, the moving distance of the blanket cylinder along the horizontal direction and the vertical direction can be finely adjusted and controlled conveniently, and the adjustment is more accurate; the pressure between the blanket cylinder and the pressure cylinder is increased, and the pressure between the blanket cylinder and the printing plate cylinder is reduced, so that paper powder on the blanket cylinder is not easy to transfer onto the printing plate cylinder, and the printing quality is improved;

2. the auxiliary bolt is tightly propped against the mounting seat, so that the stability of the blanket cylinder in working is further improved;

3. after the adjusting seat rotates, the abutting block is fixed on the arc-shaped groove through the fastening piece, and the stability of the adjusting seat is kept.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a sectional structural view of the body, blanket cylinder, adjusting member and control member in the present embodiment;

FIG. 3 is an exploded view of the adjusting member and the rotating shaft in this embodiment;

fig. 4 is a schematic view of a structure of a printing press in the related art.

Description of reference numerals: 1. a body; 11. mounting grooves; 12. an arc-shaped slot; 13. a yielding groove; 2. an ink transfer roller set; 3. a plate cylinder; 4. a blanket cylinder; 41. a rotating shaft; 5. a pressure roller; 6. an adjusting seat; 61. an adjustment groove; 62. an auxiliary bolt; 63. a butting block; 7. a control member; 71. a worm gear; 72. a worm; 73. a linkage shaft; 8. an adjustment member; 81. a mounting seat; 811. a through hole; 812. abutting against the groove; 82. a screw; 9. a fastener; 91. fastening a bolt; 92. and (5) tightening the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses printing device for thermal paper production. Referring to fig. 1, the printing apparatus includes a body 1, an ink transfer roller group 2, a plate cylinder 3, a blanket cylinder 4, and a pressure cylinder 5. The plate cylinder 3 abuts on the ink transfer roller group 2, the blanket cylinder 4 abuts on the plate cylinder 3, the pressure cylinder 5 abuts on the blanket cylinder 4, and the thermal paper passes through between the blanket cylinder 4 and the pressure cylinder 5. The blanket cylinder 4 transfers the ink on the plate cylinder 3 to the thermal paper.

Referring to fig. 1, the distance between the pressure cylinder 5 and the plate cylinder 3 is smaller than the diameter of the blanket cylinder 4. The blanket cylinder 4 is axially provided with a rotating shaft 41. The side wall of the machine body 1 is rotatably provided with an adjusting seat 6 and a control member 7 for controlling the rotation angle of the adjusting seat 6 at two sides of the rotation shaft 41. Adjusting seat 6 is last to have seted up the adjustment tank 61 horizontally, and the tip of axis of rotation 41 rotates to be installed in adjustment tank 61, installs regulating part 8 on adjusting seat 6.

Referring to fig. 1, the adjusting member 8 includes a mounting seat 81 and a screw 82. The mounting base 81 is provided with a through hole 811, and an end of the rotating shaft 41 is rotatably mounted in the through hole 811 through a bearing. The mounting seat 81 is slidably mounted in the adjustment groove 61. The screw rod 82 is connected to the mounting seat 81 through threads, and one end of the screw rod 82 extends into the adjusting groove 61 and is rotatably connected with the mounting seat 81 through a bearing. The screw 82 has a circumferential direction perpendicular to the axis of the rotary shaft 41. And a driving disc is fixedly welded at one end of the screw rod 82 far away from the mounting seat 81. The direction of the adjustment groove 61 is controlled by rotating the adjustment seat 6 by the control member 7, so that the movement distance of the blanket cylinder 4 in both the horizontal and vertical directions is easily controlled when the screw 82 is rotated.

Because the ink is transferred from the direction of low pressure to the direction of high pressure, the drive disc is rotated to drive the screw 82 to rotate, so that the rotating shaft 41 moves towards the pressure cylinder 5, the pressure with the plate cylinder 3 is reduced, the pressure between the plate cylinder 3 and the pressure cylinder 5 is increased, and meanwhile, the ink on the plate cylinder 3 can be clearly transferred to the blanket cylinder 4; the paper powder on the blanket cylinder 4 is not easy to transfer to the plate cylinder 3 and the ink force, and the printing quality is improved.

Referring to fig. 1, the adjusting base 6 is provided with an auxiliary bolt 62 at an end of the adjusting groove 61 away from the screw rod 82, and the auxiliary bolt 62 is coaxial with the screw rod 82. The auxiliary bolt 62 is screwed on the adjusting base 6, and one end of the auxiliary bolt extends into the adjusting groove 61 and abuts against the side wall of the mounting base 81. The peripheral side of one end of the auxiliary bolt 62 close to the mounting seat 81 is a cylindrical section with a smooth surface, and a fastening groove 812 is correspondingly formed in the side wall of the mounting seat 81, so that the end of the auxiliary bolt 62 can be inserted into the fastening groove 812, and the stability of the mounting seat 81 is improved.

Referring to fig. 1, the control member 7 includes a worm wheel 71, a worm 72, and a linkage shaft 73. The side wall of the machine body 1 is provided with a mounting groove 11 corresponding to the worm wheel 71. The linkage shaft 73 is coaxially connected with the worm wheel 71, and one end of the linkage shaft 73 penetrates through the side wall of the machine body 1 and is welded and fixed with the adjusting seat 6. The axis of the linkage shaft 73 is parallel to the rotating shaft 41, and the linkage shaft 73 is rotatably installed in the installation groove 11. The worm wheel 71 is rotatably installed in the installation groove 11. The worm 72 is vertically arranged, rotatably installed in the installation groove 11, and meshed with the worm wheel 71. One end of the worm 72 extends out of the mounting groove 11 and is welded with a rotating disc. The worm wheel 71 and the worm 72 are meshed with each other, and then have a self-locking function. The worm 72 drives the worm wheel 71 to rotate, and then the adjusting base 6 is driven to rotate.

With reference to the figures, further, in order to improve the stability of the adjustment seat 6. Arc-shaped grooves 12 are formed in the upper side and the lower side of the adjusting seat 6 on the side wall of the machine body 1. The center of the arc-shaped groove 12 is positioned on the axis of the linkage shaft 73. The width of the notch of the arc-shaped groove 12 is less than that of the groove bottom, and the cross section of the arc-shaped groove is of an inverted T-shaped structure. The two sides of the adjusting seat 6 are correspondingly welded with abutting blocks 63. A fastener 9 is arranged between the abutting block 63 and the arc-shaped groove 12.

Referring to fig. 1, the fastener 9 includes a fastening bolt 91 and a fastening nut 92. One end of the arc-shaped groove 12 is provided with a relief groove 13, so that the bolt head of the fastening bolt 91 can be placed in the arc-shaped groove 12 and slide in the arc-shaped groove 12. The fastening bolt 91 penetrates through the abutting block 63, the fastening nut 92 is in threaded connection with the fastening bolt 91 and abuts against the abutting block 63, and the abutting block 63 abuts against the side wall of the machine body 1, so that the stability of the adjusting seat 6 can be further improved.

The implementation principle of the printing device for producing the thermal paper in the embodiment of the application is as follows:

meanwhile, the worms 72 on both sides are driven to rotate, so that the adjusting base 6 is driven to rotate, and the adjusting groove 61 is rotated to a proper direction. The driving disc is rotated to drive the screw rod 82 to rotate, so that the mounting seat 81 moves towards the pressure cylinder 5, the pressure between the blanket cylinder 4 and the pressure cylinder 5 is increased, the pressure between the blanket cylinder 4 and the plate cylinder 3 is reduced, paper powder on the blanket cylinder 4 is not easy to transfer onto the plate cylinder 3, the possibility of ink quality reduction is reduced, and the printing quality is improved.

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. A printing device for thermal paper production comprises a machine body (1), an ink transfer roller set (2) arranged in the machine body (1), a plate cylinder (3) abutted against the end part of the ink transfer roller set (2), a blanket cylinder (4) abutted against the plate cylinder (3), and a pressure cylinder (5) abutted against the blanket cylinder (4); the method is characterized in that: a rotating shaft (41) is axially arranged in the blanket cylinder (4) in a penetrating way; the distance between the pressure cylinder (5) and the plate cylinder (3) is smaller than the diameter of the blanket cylinder (4);

adjusting seats (6) are arranged on the two ends of the side wall of the machine body (1) at the rotating shaft (41), the adjusting seats (6) are rotatably arranged on the side wall of the machine body (1), and a control piece (7) for controlling the rotating angle of the adjusting seats (6) is arranged on the machine body (1); the adjusting device is characterized in that an adjusting groove (61) is formed in the adjusting seat (6), the end portion of the rotating shaft (41) is installed in the adjusting groove (61), and an adjusting piece (8) for driving the rotating shaft (41) to move along the adjusting seat (6) is arranged on the adjusting seat (6).

2. A printing unit for thermal paper production according to claim 1, wherein: the adjusting piece (8) comprises a screw rod (82) and a mounting seat (81), a through hole (811) for the end of the rotating shaft (41) to be connected in a rotating mode is formed in the mounting seat (81), the mounting seat (81) is installed in the adjusting groove (61) in a sliding mode, one end of the screw rod (82) is connected to the mounting seat (81) in a rotating mode, and the axial direction of the screw rod (82) is perpendicular to the axis of the rotating shaft (41); the screw rod (82) is in threaded connection with the adjusting seat (6).

3. A printing unit for thermal paper production according to claim 2, wherein: adjust seat (6) and be provided with auxiliary bolt (62) in the one end that screw rod (82) were kept away from in adjustment tank (61), auxiliary bolt (62) threaded connection is on adjusting seat (6), and the one end of auxiliary bolt (62) extends to in adjustment tank (61).

4. A printing unit for thermal paper production according to claim 3, wherein: and a tight-resisting groove (812) for inserting the auxiliary bolt (62) is formed in the side wall of the mounting seat (81).

5. A printing unit for thermal paper production according to claim 1, wherein: the control piece (7) comprises a worm wheel (71), a worm (72) and a linkage shaft (73), the linkage shaft (73) is coaxially connected with the worm wheel (71), one end of the linkage shaft (73) is connected to the adjusting seat (6), and the linkage shaft (73) is parallel to the rotating shaft (41); the side wall of the machine body (1) is provided with a mounting groove (11) for a worm wheel (71) to rotate, the worm (72) is rotatably mounted in the mounting groove (11) and meshed with the worm wheel (71), and a self-locking function is realized between the worm wheel (71) and the worm (72).

6. A printing unit for thermal paper production according to claim 5, wherein: arc-shaped grooves (12) are formed in the side wall of the machine body (1) on the two sides of the adjusting seat (6), and the circle centers of the arc-shaped grooves (12) are located on the axis of the linkage shaft (73); the adjusting device is characterized in that a butting block (63) is arranged on the side wall of the adjusting seat (6), the width of the notch of the arc-shaped groove (12) is smaller than the width of the groove bottom, and a fastening piece (9) is arranged between the butting block (63) and the arc-shaped groove (12).

7. A printing unit for thermal paper production according to claim 6, wherein: the fastening piece (9) comprises a fastening bolt (91) and a fastening nut (92), the bolt head of the fastening bolt (91) is slidably mounted in the arc-shaped groove (12), and the abutting block (63) is sleeved on the fastening bolt (91); the fastening nut (92) is in threaded connection with the fastening bolt (91).

8. A printing unit for thermal paper production according to claim 7, wherein: the end part of the arc-shaped groove (12) is provided with a yielding groove (13) for installing the bolt head of the fastening bolt (91) into the arc-shaped groove (12).