Positioning mechanism of photogravure press

Abstract

The utility model discloses a photogravure press positioning mechanism which comprises a conveying belt assembly, a driving motor is arranged on one side of the conveying belt assembly, the output end of the driving motor is fixed to one end of the conveying belt assembly in a transmission mode, side plates are arranged at the top ends of the two sides of the conveying belt assembly, and inner grooves are formed in the middles of the side plates. An adjusting assembly is arranged on the inner side of the side plate, the adjusting assembly comprises an inner plate, a height adjusting assembly arranged in the inner groove and a positioning assembly arranged on the inner side of the inner plate, and the height adjusting assembly comprises a hand wheel, a threaded rod fixed to the bottom end of the hand wheel and a lifting block arranged at the bottom of the threaded rod. When the device is used, the threaded rod-lifting block is driven to move and move up and down in the inner groove, then the L-shaped plate-inner plate-positioning assembly is adjusted to move up and down, at the moment, the positioning assembly can adjust the contact position with printing paper to adapt to printing pieces with different thicknesses and different heights, and the effect of expanding the application range of the device is achieved.

Description

Technical Field

[0001] The utility model relates to the field of gravure printing devices, in particular to a positioning mechanism for a gravure printing machine. Background Art

[0002] The gravure printing machine is a machine that uses gravure to print. The image part of the printing plate is concave, while the blank part is on the same plane as the outer circle of the printing plate cylinder.

[0003] The existing gravure printing machine is not accurate enough in positioning the paper when conveying the paper, which makes the position of the paper easily deviate, causing the printed text and pictures to shift, affecting the printing quality. Therefore, in view of the above situation, it is urgent to develop a gravure printing machine positioning mechanism that is easy to adjust and convenient for accurately positioning and conveying paper of different sizes, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a positioning mechanism for a gravure printing machine. Through the height adjustment component, the user can rotate the handwheel structure to drive the threaded rod-lifting block to move, and move it up and down in the inner groove, and then adjust the L-shaped plate-inner plate-positioning component to move up and down. At this time, the positioning component can adjust the contact position with the printed paper, and is suitable for printed parts of different thicknesses and heights, thereby expanding the applicability of the device.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a positioning mechanism of a gravure printing machine, comprising a conveyor belt assembly, a driving motor is provided on one side of the conveyor belt assembly, the output end of the driving motor is fixed to one end of the conveyor belt assembly, side panels are provided on the top ends of both sides of the conveyor belt assembly, an inner groove is provided in the middle of the side panel, an adjustment assembly is provided on the inner side of the side panel, the adjustment assembly comprises an inner plate, a height adjustment assembly arranged in the inner groove and a positioning assembly arranged on the inner side of the inner plate, the height adjustment assembly comprises a hand wheel, a threaded rod fixed to the bottom end of the hand wheel and a lifting block arranged at the bottom of the threaded rod, the positioning assembly comprises a positioning block, an elastic plate arranged on one side of the positioning block, a roller arranged at the end of the elastic plate, a telescopic column and a spring arranged between the positioning block and the elastic plate, an L-shaped plate is provided on the outer side of the inner plate, and two groups of the L-shaped plates are arranged at the top of the lifting block and the outer side of the top of the inner groove.

[0006] As a preferred technical solution of the utility model, threaded holes are provided at the top ends of the inner grooves of the side panels on both sides, the threaded rods are engaged in the threaded holes, and two groups of lifting blocks are provided, the two groups of lifting blocks have different diameters and are stacked, and the bottom ends of the threaded rods are fixedly connected to the top ends of the lifting blocks.

[0007] As a preferred technical solution of the utility model, multiple groups of positioning components are fixed on the inner side of the inner plate, and the bottom end of the L-shaped plate is arranged on the outer side of the side plate.

[0008] As a preferred technical solution of the utility model, one end of the elastic plate is movably arranged on the outer side of the positioning block through a pin shaft and a nut.

[0009] As a preferred technical solution of the utility model, both ends of the telescopic column and the spring are fixedly connected to the positioning block and the elastic plate respectively.

[0010] As a preferred technical solution of the utility model, two groups of L-shaped plates are arranged in the inner groove, and each group of L-shaped plates is arranged at the top end of one side of the lifting block.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. In this device, through the height adjustment component, the user can rotate the handwheel structure to drive the threaded rod-lifting block to move, move it up and down in the inner groove, and then adjust the L-shaped plate-inner plate-positioning component to move up and down. At this time, the positioning component can adjust the contact position with the printed paper, which is suitable for printed parts of different thicknesses and heights, thereby expanding the application surface of this device.

[0013] 2. In this device, by setting up the L-shaped plate structure, the user can move the lifting block up and down while the L-shaped plate moves up and down outside the inner groove. When moving, the inner side of the L-shaped plate can fit the side plate and move up and down, and the inner plate and the positioning assembly will not overturn or tilt, thereby ensuring the tight fit between the roller and the printed part.

[0014] 3. In this device, through the positioning component structure, the user can contact the side wall of the printed workpiece through the roller therein. If the size of the printed workpiece is large, the spring and telescopic column structure can be compressed inward through the roller-elastic plate, thereby expanding the distance between the two sets of rollers, achieving the effect of expansion and locking, correcting and assisting the forward state of the printed workpiece, and maintaining a straight-line driving state. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0016] Figure 2 This is the second structural diagram of the utility model;

[0017] Figure 3 It is a top view of the structure of the utility model;

[0018] Figure 4for Figure 3 The structural diagram at A in the middle;

[0019] Figure 5 It is a structural schematic diagram of the side plate and the adjustment assembly of the utility model.

[0020] Among them: 1. Conveyor belt assembly; 2. Drive motor; 3. Side plate; 31. Inner groove; 4. Adjustment assembly; 41. Inner plate; 411. L-shaped plate; 42. Height adjustment assembly; 421. Hand wheel; 422. Threaded rod; 423. Lifting block; 43. Positioning assembly; 431. Positioning block; 432. Elastic plate; 433. Roller; 434. Telescopic column; 435. Spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified. Example

[0022] like Figure 1-5As shown, the utility model provides a positioning mechanism for a gravure printing machine, including a conveyor belt assembly 1, a driving motor 2 is arranged on one side of the conveyor belt assembly 1, an output end of the driving motor 2 is fixed to one end of the conveyor belt assembly 1, side panels 3 are arranged on the top of both sides of the conveyor belt assembly 1, an inner groove 31 is opened in the middle of the side panel 3, an adjustment assembly 4 is arranged on the inner side of the side panel 3, the adjustment assembly 4 includes an inner panel 41, a height adjustment assembly 42 arranged in the inner groove 31 and a positioning assembly 43 arranged on the inner side of the inner panel 41, the height adjustment assembly 42 includes a hand wheel 421, a threaded rod 422 fixed to the bottom end of the hand wheel 421 and a lifting block 423 arranged at the bottom of the threaded rod 422, the positioning assembly 43 includes a positioning block 43 ... height adjustment assembly 42 arranged in the inner side of the inner panel 41, the height adjustment assembly 42 includes a hand wheel 421, a threaded rod 422 fixed to the bottom end of the hand wheel 421 and a lifting block 423 arranged at the bottom of the threaded rod 422, the positioning assembly 43 includes a positioning block 431, a height adjustment assembly 422 arranged in the inner groove 31 and a height adjustment assembly 422 arranged in the inner side of the inner panel 41, the height adjustment assembly 4 An elastic plate 432 on one side of the positioning block 431, a roller 433 arranged at the end of the elastic plate 432, a telescopic column 434 and a spring 435 arranged between the positioning block 431 and the elastic plate 432, an L-shaped plate 411 is arranged on the outside of the inner plate 41, and two groups of L-shaped plates 411 are arranged at the top of the lifting block 423 and the outside of the top of the inner groove 31; through the set L-shaped plate 411 structure, the user can move up and down outside the inner groove 31 through the L-shaped plate 411 while the lifting block moves up and down. When the L-shaped plate moves, its inner side can fit the side plate 3 to move up and down, and the inner plate 41 and the positioning assembly 43 will not overturn or tilt, thereby ensuring that the roller 433 is in close contact with the printed part.

[0023] In other embodiments, a threaded hole is provided at the top of the inner groove 31 of the side panels 3 on both sides, and the threaded rod 422 is engaged in the threaded hole, and two groups of lifting blocks 423 are provided. The two groups of lifting blocks 423 have different diameters and are stacked. The bottom end of the threaded rod 422 is fixedly connected to the top of the lifting block 423; through the height adjustment component 42, the user can rotate the hand wheel 421 structure to drive the threaded rod 422-lifting block 423 to move, and move up and down in the inner groove 31, and then adjust the L-shaped plate 411-inner plate 41-positioning component 43 to move up and down. At this time, the positioning component 43 can adjust the contact position with the printed paper, which is suitable for printed parts of different thicknesses and heights, thereby expanding the applicability of the device.

[0024] Multiple groups of positioning components 43 are fixed on the inner side of the inner plate 41. The bottom end of the L-shaped plate 411 is arranged on the outer side of the side plate 3. One end of the elastic plate 432 is movably arranged on the outer side of the positioning block 431 through a pin and a nut. Both ends of the telescopic column 434 and the spring 435 are fixedly connected to the positioning block 431 and the elastic plate 432 respectively. Through the positioning component 43 structure, the user can contact the side wall of the printed work through the roller 433 therein. If the size of the printed work is large, the spring 435 and the telescopic column 434 structure can be compressed inwardly through the roller 433-elastic plate 432, thereby expanding the distance between the two groups of rollers 433, achieving the effect of expansion and locking, correcting and assisting the forward state of the printed work, and maintaining the state of straight driving. Two groups of L-shaped plates 411 are arranged in the inner groove 31, and each group of L-shaped plates 411 is arranged on the top of one side of the lifting block 423. Each group of L-shaped plates 411 can meet the function of auxiliary fixing.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A positioning mechanism for a gravure printing machine, comprising a conveyor belt assembly (1), characterized in that: A drive motor (2) is provided on one side of the conveyor belt assembly (1), and an output end of the drive motor (2) is fixedly connected to one end of the conveyor belt assembly (1). Side panels (3) are provided on the top ends of both sides of the conveyor belt assembly (1). An inner groove (31) is provided in the middle of the side panels (3). An adjustment component (4) is provided on the inner side of the side panels (3). The adjustment component (4) includes an inner panel (41), a height adjustment component (42) provided in the inner groove (31), and a positioning component (43) provided on the inner side of the inner panel (41). The height adjustment component (42) includes a hand wheel (421), a height adjustment component (422) fixed to the hand wheel (421), and a height adjustment component (422) provided on the inner side of the inner panel (41). A threaded rod (422) at the bottom end of the wheel (421) and a lifting block (423) arranged at the bottom of the threaded rod (422), the positioning assembly (43) includes a positioning block (431), an elastic plate (432) arranged on one side of the positioning block (431), a roller (433) arranged at the end of the elastic plate (432), a telescopic column (434) and a spring (435) arranged between the positioning block (431) and the elastic plate (432), an L-shaped plate (411) is arranged on the outer side of the inner plate (41), and two groups of the L-shaped plates (411) are arranged at the top of the lifting block (423) and the outer side of the top of the inner groove (31).

2. A positioning mechanism for a gravure printing press according to claim 1, characterized in that: The top ends of the inner grooves (31) of the side plates (3) on both sides are provided with threaded holes, the threaded rods (422) are engaged in the threaded holes, and two groups of lifting blocks (423) are provided. The two groups of lifting blocks (423) have different diameters and are stacked. The bottom ends of the threaded rods (422) are fixedly connected to the top ends of the lifting blocks (423).

3. The positioning mechanism of a gravure printing machine according to claim 1, characterized in that: A plurality of groups of positioning components (43) are fixed to the inner side of the inner plate (41), and the bottom end of the L-shaped plate (411) is arranged on the outer side of the side plate (3).

4. The positioning mechanism of a gravure printing machine according to claim 1, characterized in that: One end of the elastic plate (432) is movably arranged on the outside of the positioning block (431) via a pin shaft and a nut.

5. The positioning mechanism of a gravure printing machine according to claim 1, characterized in that: Both ends of the telescopic column (434) and the spring (435) are fixedly connected to the positioning block (431) and the elastic plate (432) respectively.

6. The positioning mechanism of a gravure printing machine according to claim 1, characterized in that: Two groups of the L-shaped plates (411) are arranged in the inner groove (31), and each group of the L-shaped plates (411) is arranged at the top end of one side of the lifting block (423).

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