Transmission structure of micro-concave coating roller capable of adjusting tension by swinging
By using a transmission structure that adjusts tension by oscillation, the problems of high concentricity and unadjustable belt tension in traditional micro-grooving roller drive methods are solved, achieving stable belt tension adjustment and improved printing quality.
Patent Information
- Application Number
- CN202520068431.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional micro-gravure coating rollers have high concentricity requirements and lack tension adjustment function in belt drives, resulting in unstable printing quality.
The transmission structure adopts a swing-type tension adjustment mechanism. The swing drive component drives the transmission mounting base to swing, adjusting the belt tension. Combined with the positioning component, the position is stabilized, avoiding the belt being too loose or too tight, and reducing the concentricity requirement.
It improves printing quality, stabilizes the operation of the coating roller, avoids the debugging difficulties of traditional direct coupling methods, and achieves adjustable belt tension and stable transmission.
Smart Images

Figure CN223605275U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coating equipment, specifically, it is a transmission structure of swing regulation tension's micro concave coating roller. BACKGROUND
[0002] Micro concave coating processing equipment is mainly used for the process production of printing on the surface of film, paper and the like, which mainly places the material coated with primer on the micro concave coating roller, and rotates the micro concave coating roller, in the process, the tiny grooves on the surface of the micro concave coating roller will contact the surface of the material and dip it with paint or ink and the like, and in the process, the most important thing is the printing pressure and speed of the micro concave coating roller to ensure the quality of printing effect.
[0003] However, the traditional micro concave coating roller is mainly driven to rotate through the direct connection mode of the shaft coupling, but this direct connection driving mode has high concentricity requirement for the shaft coupling and the micro concave coating roller, and has great debugging difficulty; when the belt transmission is adopted, although the debugging difficulty caused by the concentricity requirement can be reduced, the belt transmission structure does not have the function of adjusting the tension of the belt, which leads to the phenomenon of over-looseness or over-tightness in the belt transmission process, thereby leading to the phenomenon of printing blur caused by small tension or the phenomenon of deformation of the micro concave coating roller caused by excessive tension. UTILITY MODEL CONTENT
[0004] In order to overcome the defects existing in the prior art, the utility model provides a transmission structure of swing regulation tension's micro concave coating roller to solve the problems in the prior art.
[0005] The utility model solves its technical problem adopts the technical scheme: a transmission structure of swing regulation tension's micro concave coating roller, it has the frame, the frame one side is installed with the transmission mounting seat that can swing, the lower end of transmission mounting seat is hinged with swing drive assembly, the upper end coating roller drive assembly of transmission mounting seat, the one side of coating roller drive assembly is provided with the coating roller that installs on the frame, the roller shaft of coating roller is installed with driven wheel, coating roller drive assembly and driven wheel are connected through the belt, the upper of swing drive assembly is provided with the telescopic positioning part, the positioning part installs on the frame.
[0006] The utility model has the advantages that through swing drive assembly drives the lower end swing of transmission mounting seat, makes coating roller drive assembly on the upper end of transmission mounting seat swing, thereby pulls the belt to adjust the tension of the belt, thereby adjusts the tension of driven wheel to the belt, prevents the phenomenon of over-looseness or over-tightness in the belt transmission process, improves the printing quality, and does not need the traditional direct connection driving mode of shaft coupling, reduces the concentricity requirement, the positioning part can position transmission mounting seat, makes transmission mounting seat adjust after completing, further stabilizes the position, makes transmission run in the more stable state.
[0007] Further, the middle part of the transmission mounting base is provided with a core setting sleeve, a rotating pin shaft is arranged in the core setting sleeve, and the rotating pin shaft penetrates the rack and is connected with the core setting sleeve.
[0008] With the above further structure, the transmission mounting base can swing around the rotating pin shaft in the middle part, so that the coating roller driving assembly at the upper end of the transmission mounting base swings, so as to adjust the tension and pulling force of the belt.
[0009] Further, the swing driving assembly comprises a cylinder, a cylinder shaft of the cylinder is hinged to the lower end of the transmission mounting base through a hinge rod, a hinge seat is arranged at the end of the cylinder body of the cylinder, and the hinge seat is hinged to the rack through a cylinder rear pin shaft.
[0010] With the above further structure, the transmission mounting base can be driven to reciprocate by the cylinder, and after adjustment is completed, the position can be further stabilized by the positioning part.
[0011] Further, the positioning part comprises a positioning seat, the positioning seat is located above the cylinder, the positioning seat is mounted on the rack, a positioning lead screw is screw-mounted in the positioning seat, and the positioning lead screw corresponds to the side surface of the transmission mounting base.
[0012] With the above further structure, after the adjustment position of the transmission mounting base is completed, the positioning lead screw is moved in the positioning seat by rotating the positioning lead screw, so as to top the edge of the transmission mounting base, reduce the pressure on the cylinder during operation, and improve the stability of the operation of the coating roller.
[0013] Further, the coating roller driving assembly comprises a driving motor, the driving motor is mounted at the upper end of the transmission mounting base, a driving wheel is mounted on the motor shaft of the driving motor, and the driving wheel is connected with a driven wheel through a belt.
[0014] With the above further structure, the belt is driven by the driving motor, so that the driven wheel rotates, thereby driving the coating roller to rotate, and when the transmission mounting base swings, the driving motor can be moved at the same time, so as to adjust the tension of the belt. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a side view structural schematic diagram of the transmission structure of the embodiment.
[0016] Figure 2 It is a top view structural schematic diagram of the transmission structure of the embodiment.
[0017] In the figure: transmission mounting seat 1, rotating pin shaft 2, driving wheel 3, coating roller 4, belt 5, cylinder 6, hinged seat 7, positioning seat 8, positioning lead screw 9, driving motor 10, driven wheel 11, core sleeve 12, hinged rod 13, cylinder rear pin shaft 14. DETAILED DESCRIPTION
[0018] Combination Figure 1 And Figure 2 The transmission structure of a micro-concave coating roller with swing adjustment tension shown in the figure has a rack, one side of the rack is provided with a swingable transmission mounting seat 1, the lower end of the transmission mounting seat 1 is hinged with a swing driving assembly, the upper end of the transmission mounting seat 1 is provided with a coating roller driving assembly, one side of the coating roller driving assembly is provided with a coating roller 4 installed on the rack, the roller shaft of the coating roller 4 is installed with a driven wheel 11, the coating roller driving assembly is connected with the driven wheel 11 through a belt 5, the upper part of the swing driving assembly is provided with a telescopic positioning part, and the positioning part is installed on the rack; in this embodiment, the lower end of the transmission mounting seat 1 is swung by the swing driving assembly, so that the coating roller driving assembly at the upper end of the transmission mounting seat 1 swings, thereby pulling the belt 5 to adjust the tension of the belt 5, so as to adjust the pulling force of the belt 5 on the driven wheel 11, prevent the phenomenon of over-looseness or over-tightness in the process of belt transmission, improve the printing quality, and do not need the traditional direct driving mode of the shaft coupling, reduce the concentricity requirement, and the positioning part can position the transmission mounting seat 1, so that the transmission mounting seat 1 is further stabilized after adjustment, so that the transmission runs in a more stable state.
[0019] The coating roller driving assembly includes a driving motor 10, the driving motor 10 is installed at the upper end of the transmission mounting seat 1, the motor shaft of the driving motor 10 is installed with a driving wheel 3, and the driving wheel 3 is connected with the driven wheel 11 through the belt 5; the driving motor 10 drives the belt 5 to make the driven wheel 11 rotate, thereby driving the coating roller 4 to rotate, and the transmission mounting seat 1 can drive the driving motor 10 to move at the same time when swinging, thereby adjusting the tension of the belt 5.
[0020] The middle part of the transmission mounting seat 1 is installed with a core sleeve 12, the rotating pin shaft 2 is arranged in the core sleeve 12, and the rotating pin shaft 2 penetrates through the rack and is connected with the core sleeve 12; so that the transmission mounting seat 1 can swing around the rotating pin shaft 2 in the middle part, thereby making the coating roller driving assembly at the upper end of the transmission mounting seat 1 swing, so as to adjust the tension and pulling force of the belt.
[0021] Specifically, the swing driving assembly of this embodiment includes a cylinder 6, the cylinder shaft of the cylinder 6 is hinged with the lower end of the transmission mounting seat 1 through a hinged rod 13, the end of the cylinder body of the cylinder 6 is provided with a hinged seat 7, and the hinged seat 7 is hinged with the rack through a cylinder rear pin shaft 14; the transmission mounting seat 1 can be reciprocatingly swung by the cylinder 6, and the position can be further stabilized after adjustment by the positioning part.
[0022] In order to facilitate the positioning and stable position of the transmission mounting seat 1, the positioning part of the embodiment comprises a positioning seat 8 located above the air cylinder 6, the positioning seat 8 is installed on the rack, the positioning seat 8 is internally screwed with a positioning lead screw 9, the positioning lead screw 9 corresponds to the side of the transmission mounting seat 1; after the adjustment position of the transmission mounting seat 1 is completed, the positioning lead screw 9 is moved in the positioning seat 8 by rotating the positioning lead screw 9, so as to top the edge of the transmission mounting seat 1, reduce the pressure on the air cylinder 6 in the running process, and improve the stability of the running of the coating roller 4.
[0023] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A transmission structure for a micro-concave coating roller with oscillating tension adjustment, comprising a frame, characterized in that, A swingable transmission mounting base (1) is installed on one side of the frame. A swing drive assembly is hinged to the lower end of the transmission mounting base (1). A coating roller drive assembly is installed at the upper end of the transmission mounting base (1). A coating roller (4) is installed on the frame on one side of the coating roller drive assembly. A driven wheel (11) is installed on the roller shaft of the coating roller (4). The coating roller drive assembly and the driven wheel (11) are connected by a belt (5). A retractable positioning part is provided above the swing drive assembly. The positioning part is installed on the frame.
2. The transmission structure of a micro-concave coating roller with oscillating tension adjustment according to claim 1, characterized in that, A centering sleeve (12) is installed in the middle of the transmission mounting base (1). A rotating pin (2) is inserted inside the centering sleeve (12). The rotating pin (2) passes through the frame and is connected to the centering sleeve (12).
3. The transmission structure of a micro-concave coating roller with oscillating tension adjustment according to claim 2, characterized in that, The swing drive assembly includes a cylinder (6), the cylinder shaft of the cylinder (6) is hinged to the lower end of the transmission mounting base (1) via a hinge rod (13), and a hinge seat (7) is provided at the end of the cylinder body of the cylinder (6), and the hinge seat (7) is hinged to the frame via a cylinder rear pin (14).
4. The transmission structure of a micro-concave coating roller with oscillating tension adjustment according to claim 3, characterized in that, The positioning part includes a positioning seat (8), which is located above the cylinder (6). The positioning seat (8) is mounted on the frame. A positioning screw (9) is threaded onto the positioning seat (8), and the positioning screw (9) corresponds to the side of the transmission mounting seat (1).
5. The transmission structure of a micro-concave coating roller with oscillating tension adjustment according to claim 1, characterized in that, The coating roller drive assembly includes a drive motor (10), which is mounted on the upper end of the transmission mounting base (1). A drive wheel (3) is mounted on the motor shaft of the drive motor (10), and the drive wheel (3) is connected to the driven wheel (11) by a belt (5).