Electric lifting mechanism for a gravure printing machine and gravure printing machine

Abstract

The utility model discloses a kind of electric lifting mechanism for gravure printing machine and gravure printing machine, the electric lifting mechanism for gravure printing machine includes base box, drive module, transmission module and lifting module;Drive module is set in base box and is connected to lifting module by transmission module, lifting module is slidably arranged on base box, and the output end of lifting module is connected to doctor of gravure printing machine and is worn out to base box outside;Drive module drives lifting module lifting by transmission module, doctor follows and adjusts the height of doctor.The gravure printing machine includes the electric lifting mechanism for gravure printing machine.By drive module, transmission module and lifting module cooperation and realize the automatic lifting of doctor, reduce the participation of staff, first can reduce the labor intensity of staff, secondly further automated adjustment doctor system provides physical guarantee.

Description

Technical Field

[0001] This utility model relates to the field of gravure printing machine technology, specifically to an electric lifting mechanism for a gravure printing machine and a gravure printing machine. Background Technology

[0002] The doctor blade in a gravure printing press removes excess ink from the printing cylinder to ensure accurate transfer of the image from the cylinder to the substrate. The raising and lowering of the doctor blade system is crucial; improper positioning can result in incomplete ink removal from the cylinder, leading to defects such as blade streaks and ink fogging. Therefore, proper doctor blade positioning is essential for ensuring the quality of gravure printing.

[0003] Most current gravure printing presses rely on manual adjustment of the doctor blade system, achieved by manually turning a handle. This method is labor-intensive and makes it difficult to control the precise degree of adjustment. Utility Model Content

[0004] The technical problem to be solved by this utility model is that existing gravure printing machines require manual adjustment of the doctor blade height. The purpose is to provide an electric lifting mechanism for gravure printing machines and a gravure printing machine to solve the above-mentioned problems.

[0005] This utility model is achieved through the following technical solution:

[0006] In a first aspect, this utility model provides an electric lifting mechanism for a gravure printing machine, including a base box, a drive module, a transmission module and a lifting module;

[0007] The drive module is located inside the base box and connected to the lifting module through the transmission module. The lifting module is slidably mounted on the base box, and the output end of the lifting module extends out of the base box and is connected to the doctor blade of the gravure printing machine.

[0008] The drive module drives the lifting module to move up and down through the transmission module, and the scraper moves accordingly, adjusting the height of the scraper.

[0009] In one possible design, the drive module includes a servo motor and a reducer. The servo motor is mounted on the base and connected to the reducer, and the reducer is connected to a drive shaft for connecting the transmission module.

[0010] In one possible design, the drive shaft has two opposing ends, one end of which is rotatably mounted on the side wall of the base box via a first bearing, and the other end extends out of the base box and passes through the output shaft sleeve of the reducer. The protruding end of the drive shaft is also provided with a locking rod to prevent it from moving erratically.

[0011] In one possible design, the base box is provided with two support plates arranged opposite each other. One end of the drive shaft is rotatably mounted on one of the support plates via a first bearing, and the other end of the drive shaft is driven out of the other support plate. Correspondingly, the reducer is connected to the adjacent support plate and connected to the drive shaft via an output shaft sleeve.

[0012] In one possible design, the reducer is provided with an extended shaft, on which a rotating handwheel is fitted, and the extended shaft and the rotating handwheel are connected by a flat key.

[0013] In one possible design, the transmission module includes a drive shaft and a drive gear;

[0014] The drive shaft is suspended inside the base box. Both ends of the drive shaft are rotatably connected to the base box through the second bearing seat. A worm gear for connecting the drive module is sleeved on the drive shaft. Correspondingly, the drive module includes a drive shaft, which is constructed as a worm adapted to the worm gear.

[0015] The transmission gear is mounted on the transmission shaft and connected to the lifting module to transmit force to the lifting module.

[0016] In one possible design, the second bearing housing is a rolling bearing housing, and there are two transmission gears located at the two ends of the transmission shaft, with a worm gear located between the two transmission gears.

[0017] In one possible design, the lifting module includes a lifting rod and a lifting seat plate;

[0018] The lifting rod is mounted on the base box, and a linear bearing adapted to the lifting rod is provided at the connection between the lifting rod and the base box so that the lifting rod can slide relative to the base box; correspondingly, the lifting rod is provided with a lifting gear ring, which is adapted to and meshes with the transmission gear of the transmission module.

[0019] The lifting seat is located outside the base box and connected to the lifting rod. Correspondingly, the scraper is connected and rises and falls with the lifting seat.

[0020] In one possible design, there are four lifting rods arranged in pairs, with the two lifting rods in each pair located on opposite sides of the same transmission gear.

[0021] Secondly, this utility model provides a gravure printing machine, including the electric lifting mechanism for the gravure printing machine.

[0022] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0023] The drive module, transmission module, and lifting module work together to achieve automatic lifting of the scraper, reducing the need for manual intervention. This not only reduces the labor intensity of workers but also provides physical support for further automated adjustment of the scraper system. Attached Figure Description

[0024] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0025] Figure 1 This is a schematic diagram of an electric lifting mechanism for a gravure printing machine.

[0026] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure.

[0027] The attached diagram shows the markings and corresponding component names:

[0028] 1. Base box; 2. Servo motor; 3. Reducer; 4. Drive shaft; 5. First bearing; 6. Output shaft sleeve; 7. Locking rod; 8. Support plate; 9. Outer shaft; 10. Rotary handwheel; 11. Transmission shaft; 12. Transmission gear; 13. Second bearing housing; 14. Worm gear; 15. Worm; 16. Lifting rod; 17. Lifting seat plate; 18. Linear bearing; 19. Lifting gear ring; 20. Second bearing. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0030] Example:

[0031] like Figure 1 and Figure 2 As shown, in a first aspect, this utility model provides an electric lifting mechanism for a gravure printing machine, including a base box 1, a drive module, a transmission module and a lifting module;

[0032] The drive module is set inside the base box 1 and connected to the lifting module through the transmission module. The lifting module is slidably set on the base box 1, and the output end of the lifting module extends out of the base box 1 and is connected to the doctor blade of the gravure printing machine.

[0033] The drive module drives the lifting module to move up and down through the transmission module, and the scraper moves accordingly, adjusting the height of the scraper.

[0034] In the electric lifting mechanism of the gravure printing machine, the drive module, transmission module and lifting module work together to realize the automatic lifting of the doctor blade, reducing the need for manual intervention. This reduces the labor intensity of the workers and provides physical support for further automated adjustment of the doctor blade system.

[0035] Specifically, staff can remotely control the drive module via buttons, knobs, or other control devices, or via computers, smartphones, or other control terminals. The force from the drive module is transmitted to the lifting module via the transmission module. The scraper moves up and down with the lifting module to the appropriate height, at which point the drive module stops, stabilizing the scraper at the required height.

[0036] It is worth noting that the base box 1 should preferably be the doctor blade base box of the gravure printing machine, but any other suitable part of the gravure printing machine can also be used.

[0037] In one possible implementation, the drive module includes a servo motor 2 and a reducer 3. The servo motor 2 is mounted on the base box 1 and connected to the reducer 3. The reducer 3 is connected to a drive shaft 4 for connecting the transmission module.

[0038] Based on the above design scheme, the servo motor 2 has high adjustment precision, which facilitates high-precision positioning and improves the accuracy of scraper height adjustment. The reducer 3 is used to transmit force, optimize power transmission efficiency, achieve smooth transmission, reduce vibration, noise and impact, and protect the equipment.

[0039] In one possible implementation, the drive shaft 4 has two opposing ends, one end of which is rotatably mounted on the side wall of the base box 1 via the first bearing 5, and the other end extends out of the base box 1 and passes through the output shaft sleeve 6 of the reducer 3. The protruding end of the drive shaft 4 is also provided with a locking rod 7 to prevent it from moving.

[0040] Based on the above design, the drive shaft 4 is rotatably mounted, with one end connected to the reducer 3 via the output shaft sleeve 6, and the other end extending into the base box 1, thereby transmitting power to the transmission module inside the base box 1. The drive shaft 4 is connected to the reducer 3 via the locking rod 7, thus fixing both ends of the drive shaft 4, which helps reduce the axial movement of the drive shaft 4 during operation and improves the stability of the transmission.

[0041] It is easy to understand that the locking rod 7 can be a round nut or any other suitable existing component, and this utility model does not impose any restrictions on it.

[0042] In one possible implementation, the base box 1 is provided with two support plates 8 arranged opposite to each other. One end of the drive shaft 4 is rotatably mounted on one of the support plates 8 through the first bearing 5, and the other end of the drive shaft 4 is driven out of the other support plate 8. Correspondingly, the reducer 3 is connected to the adjacent support plate 8 and connected to the drive shaft 4 through the output shaft sleeve 6.

[0043] Based on the above design, the support plate 8 provides installation space for the various components inside the base box 1. The support plate 8 is equipped with a first bearing seat 5, and the first bearing 5 at one end of the drive shaft 4 is rotatably mounted on the first bearing seat 5, achieving connection while ensuring the drive shaft 4 can rotate. Simultaneously, the support plate 8 also connects the drive module, enabling the connection between the drive module and the gravure printing machine.

[0044] In one possible implementation, the reducer 3 is equipped with an extended shaft 9, and a rotating handwheel 10 is fitted onto the extended shaft 9. The extended shaft 9 and the rotating handwheel 10 are connected by a flat key. Based on the above design, in the event of unexpected situations such as power failure or servo motor 2 malfunction, the reducer 3 is driven to rotate via the handwheel to achieve power input and drive the scraper to rise and fall.

[0045] In one possible implementation, the transmission module includes a transmission shaft 11 and a transmission gear 12;

[0046] The drive shaft 11 is suspended inside the base box 1. Both ends of the drive shaft 11 are rotatably connected to the base box 1 via the second bearing seat 13. The drive shaft 11 is fitted with a worm gear 14 for connecting the drive module. Correspondingly, the drive module includes a drive shaft 4, which is constructed as a worm 15 adapted to the worm gear 14.

[0047] The transmission gear 12 is mounted on the transmission shaft 11 and connected to the lifting module to transmit force to the lifting module.

[0048] Based on the above design, a second bearing 20 is sleeved at the end of the drive shaft 11. The second bearing 20 is rotatably mounted on the second bearing seat 13, so that the drive shaft 11 is suspended and rotatably mounted in the base box 1. The drive shaft 11 is connected to the drive shaft 4 through a worm gear 14 and a worm 15. The worm gear 14 and worm 15 have a self-locking function while transmitting force, ensuring the safety of the electric lifting mechanism for the gravure printing machine under abnormal conditions and reducing the risk of accidents. The transmission gear 12 is connected to the lifting module through gear transmission. Gear transmission has the advantages of high efficiency, compact structure, stable transmission ratio, and high transmission accuracy. Combined with the servo motor 2 of the drive module, it helps to ensure the adjustment accuracy of the lifting module.

[0049] In one possible implementation, the second bearing housing 13 is selected as a rolling bearing housing, two transmission gears 12 are provided and located at the two ends of the transmission shaft 11 respectively, and the worm gear 14 is located between the two transmission gears 12.

[0050] Based on the above design, the rolling bearing housing helps reduce the coefficient of friction during movement, maintains the stable center position of the transmission shaft 11, and ensures transmission accuracy. Multiple transmission gears 12 are provided to increase the number of contact points between the transmission module and the lifting module, thereby improving the synchronization and smoothness of the lifting module during lifting.

[0051] It is easy to understand that the first bearing 5 of the drive module and the second bearing seat 13 of the transmission module can be fixed to the base box 1 by any suitable existing fixing method, and this utility model does not impose any restrictions on this.

[0052] In one possible implementation, the lifting module includes a lifting rod 16 and a lifting seat plate 17;

[0053] The lifting rod 16 is mounted on the base box 1. A linear bearing 18 adapted to the lifting rod 16 is provided at the connection between the lifting rod 16 and the base box 1 so that the lifting rod 16 can slide relative to the base box 1. Correspondingly, the lifting rod 16 is provided with a lifting gear ring 19, which is adapted to and meshes with the transmission gear 12 of the transmission module.

[0054] The lifting seat plate 17 is located outside the base box 1 and connected to the lifting rod 16. Correspondingly, the scraper is connected and rises and falls with the lifting seat plate 17.

[0055] Based on the above design, the lifting rod 16 is connected to the transmission module via the lifting gear ring 19, and the lifting rod 16 is slidably mounted on the base box 1. When the transmission module transmits force to the lifting rod 16, the lifting rod 16 slides back and forth along the base box 1 to achieve height adjustment. The lifting seat plate 17 is used to connect the scraper so that both rise and fall with the lifting rod 16.

[0056] In one possible implementation, four lifting rods 16 are arranged in pairs, with the two lifting rods 16 in each pair located on opposite sides of the same transmission gear 12. Based on this design, the four lifting rods 16 rise and fall synchronously to jointly drive the lifting plate to rise and fall as a whole, ensuring that the scraper does not become skewed and guaranteeing the scraping effect.

[0057] In summary, the electric lifting mechanism for the gravure printing machine has two operating modes, specifically:

[0058] One method involves a servo motor 2. When the operator needs to adjust the height of the scraper, the drive module is activated, causing the servo motor 2 to rotate. The servo motor 2 drives the output shaft sleeve 6 of the reducer 3 to rotate, and the drive shaft 4 connected to the output shaft sleeve 6 also rotates. The rotation of the drive shaft 4 is transmitted to the transmission shaft 11 through the worm gear 14 and worm 15, causing the transmission shaft 11 to rotate. The transmission gear 12, which is fixedly connected to the transmission shaft 11, also rotates. The rotation of the transmission shaft 11 is transmitted to the lifting rod 16 through the transmission gear 12, thereby causing the lifting rod 16 to rise and fall, so that the lifting seat plate 17 and the scraper rise and fall synchronously, achieving the purpose of adjusting the scraper height.

[0059] The second method is manual drive. In case of power outages or other emergencies, the operator turns the handwheel. The rotation of the handwheel is transmitted to the reducer 3 via the extended shaft 9, thus driving the reducer 3 to rotate. The subsequent transmission route is similar to that of the servo motor 2, achieving the same purpose of adjusting the scraper height, which will not be elaborated further here.

[0060] Secondly, this utility model provides a gravure printing machine, including the aforementioned electric lifting mechanism for gravure printing machines. Based on this, the gravure printing machine can also include other suitable functional modules, making its functions more comprehensive to meet different work requirements and improving its practicality. Furthermore, it is readily understood that these functional modules can be selected from any suitable existing equipment, offering a wide range of choices.

[0061] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. An electric lifting mechanism for a gravure printing machine, characterized in that, Includes base box (1), drive module, transmission module and lifting module; The drive module is set inside the base box (1) and connected to the lifting module through the transmission module. The lifting module is slidably set on the base box (1), and the output end of the lifting module extends out of the base box (1) and is connected to the scraper of the gravure printing machine. The drive module drives the lifting module to move up and down through the transmission module, and the scraper moves accordingly, adjusting the height of the scraper.

2. The electric lifting mechanism for a gravure printing machine according to claim 1, characterized in that, The drive module includes a servo motor (2) and a reducer (3). The servo motor (2) is mounted on the base box (1) and connected to the reducer (3). The reducer (3) is connected to a drive shaft (4) for connecting the transmission module.

3. The electric lifting mechanism for a gravure printing machine according to claim 2, characterized in that, The drive shaft (4) has two opposite ends, one end of which is rotatably mounted on the side wall of the base box (1) via the first bearing (5), and the other end extends out of the base box (1) and is mounted on the output shaft sleeve (6) of the reducer (3). The drive shaft (4) is also provided with a locking rod (7) to prevent it from moving.

4. The electric lifting mechanism for a gravure printing machine according to claim 3, characterized in that, The base box (1) is provided with two opposing support plates (8). One end of the drive shaft (4) is rotatably mounted on one of the support plates (8) through the first bearing (5), and the other end of the drive shaft (4) is transmitted to the other support plate (8). Correspondingly, the reducer (3) is connected to the adjacent support plate (8) and connected to the drive shaft (4) through the output shaft sleeve (6).

5. The electric lifting mechanism for a gravure printing machine according to claim 2, characterized in that, The reducer (3) is provided with an extended shaft (9), and a rotating handwheel (10) is fitted on the extended shaft (9). The extended shaft (9) and the rotating handwheel (10) are connected by a flat key.

6. The electric lifting mechanism for a gravure printing machine according to any one of claims 1-5, characterized in that, The transmission module includes a transmission shaft (11) and a transmission gear (12). The drive shaft (11) is suspended inside the base box (1). The two ends of the drive shaft (11) are rotatably connected to the base box (1) through the second bearing seat (13). The drive shaft (11) is fitted with a worm gear (14) for connecting the drive module. Correspondingly, the drive module includes a drive shaft (4), which is constructed as a worm (15) adapted to the worm gear (14). The transmission gear (12) is mounted on the transmission shaft (11) and connected to the lifting module to transmit force to the lifting module.

7. The electric lifting mechanism for a gravure printing machine according to claim 6, characterized in that, The second bearing housing (13) is a rolling bearing housing. There are two transmission gears (12) located at both ends of the transmission shaft (11), and the worm gear (14) is located between the two transmission gears (12).

8. The electric lifting mechanism for a gravure printing machine according to any one of claims 1-5, characterized in that, The lifting module includes a lifting rod (16) and a lifting seat plate (17). The lifting rod (16) is mounted on the base box (1). A linear bearing (18) adapted to the lifting rod (16) is provided at the connection between the lifting rod (16) and the base box (1) so that the lifting rod (16) can slide relative to the base box (1). Correspondingly, the lifting rod (16) is provided with a lifting gear ring (19), which is adapted to and meshes with the transmission gear (12) of the transmission module. The lifting seat plate (17) is located outside the base box (1) and connected to the lifting rod (16). Correspondingly, the scraper is connected and moves up and down with the lifting seat plate (17).

9. The electric lifting mechanism for a gravure printing machine according to claim 8, characterized in that, There are four lifting rods (16) arranged in pairs, with the two lifting rods (16) in each pair located on both sides of the same transmission gear (12).

10. A gravure printing machine, characterized in that, The invention includes an electric lifting mechanism for a gravure printing press as described in any one of claims 1-9.

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