Material conveying device of cold ironing machine

Abstract

The utility model relates to the technical field of printing equipment, provides a material conveying device of a cold stamping machine, and solves the technical problem that the hot stamping quality is affected due to the fact that existing paper or a gold stamping film is still likely to deviate and misplace in the subsequent conveying process of a guide plate. The device comprises a mounting frame, a gold stamping film roll conveying mechanism and a paper roll conveying mechanism, wherein the gold stamping film roll conveying mechanism and the paper roll conveying mechanism are mounted on the mounting frame and are distributed up and down. The device is characterized in that each of the two conveying mechanisms comprises a feeding roller set, a hot stamping roller and a discharging roller set which are sequentially arranged in the feeding direction; the feeding roller set comprises a feeding guide roller, an adjusting roller and a feeding flattening roller which are sequentially distributed in the feeding direction and arranged in a staggered mode in the vertical direction, one end of the adjusting roller is rotationally supported on the outer mounting base through an overturning plate, the other end of the adjusting roller is supported in the arc-shaped guide rail through a rolling wheel, and the overturning plate is driven by an overturning driving unit to overturn around a shaft; the discharging roller set comprises a discharging flattening roller, a discharging flattening roller and a discharging guide roller which are sequentially distributed in the feeding direction and arranged in a staggered mode in the vertical direction.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, in particular to a material conveying device for a cold stamping machine. Background Art

[0002] Existing cold stamping machines adopt a paper guiding structure similar to that of traditional printing equipment, specifically a pair of guiding plates. However, during the subsequent conveying process of the paper or hot stamping film after passing through the guiding plates, especially after being unfolded by the flattening roller, offset and dislocation may still occur, affecting the stamping quality.

[0003] Therefore, we propose a material conveying device for a cold stamping machine. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a material conveying device for a cold stamping machine, which overcomes the deficiencies of the prior art, is reasonably designed and convenient to adjust, and solves the technical problem that existing paper or hot stamping film may still be offset and dislocated during the subsequent conveying process after passing through the guiding plates, affecting the stamping quality.

[0006] (2) Technical Solutions

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0008] A material conveying device for a cold stamping machine includes an installation frame, a hot stamping film roll conveying mechanism and a paper roll conveying mechanism which are installed on the installation frame and are distributed vertically. It is characterized in that:

[0009] Both the hot stamping film roll conveying mechanism and the paper roll conveying mechanism include a feeding roller group, a stamping roller and a discharging roller group which are arranged in sequence along the feeding direction;

[0010] The feeding roller group includes a feeding guide roller, an adjusting roller and a feeding flattening roller which are distributed in sequence along the feeding direction and are arranged vertically in a staggered manner. Both ends of the feeding guide roller and the feeding flattening roller are supported on the installation frame through fixed bearing seats. One end of the adjusting roller is rotatably supported on an outer mounting seat through a turning plate, and the other end is supported in an arc-shaped guide rail through a roller. The turning plate is driven to rotate around an axis by a turning driving unit;

[0011] The discharging roller group includes a discharging flattening roller, a discharging flattening roller and a discharging guide roller which are distributed in sequence along the feeding direction and are arranged vertically in a staggered manner. Both ends of a pair of the discharging flattening rollers and the discharging guide roller are supported on the installation frame through fixed bearing seats.

[0012] Further, the turning driving unit is an electric push rod, and the piston rod of the electric push rod abuts against the turning plate.

[0013] Further, the adjusting roller includes a mandrel, a sleeve, end caps and bearings. One end of the mandrel is fixedly connected to the flipping plate, and the other end thereof is supported by rollers in the arc-shaped guide rail. The sleeve is sleeved outside the mandrel, and both ends thereof are rotationally matched with the mandrel through bearings. Threaded end caps are respectively connected to the openings at both ends of the end caps.

[0014] Further, both ends of the hot stamping roller are respectively movably installed in the guide grooves of the mounting plate along the vertical direction through movable bearing seats.

[0015] Furthermore, the movable bearing seat corresponding to the hot stamping film roll conveying mechanism is driven vertically by a cylinder, and both sides thereof are in guiding cooperation with the guide grooves on the mounting plate through guide rails;

[0016] The movable bearing seat corresponding to the paper roll conveying mechanism is driven vertically by a lead screw-nut pair cooperating with a hand wheel, and both sides thereof are in guiding cooperation with the guide grooves on the mounting plate through guide rails.

[0017] Further, the mounting frame includes a pair of mounting plates arranged at intervals in the vertical direction, and the four corners of the pair of mounting plates are supported and connected by connecting columns.

[0018] (III) Beneficial effects

[0019] The present utility model provides a material conveying device for a cold stamping machine, which has the following beneficial effects: by arranging an adjusting roller in the feeding roller group, the adjusting roller rotates under the action of the flipping driving unit to adjust the axis angle of the adjusting roller, thereby changing the conveying path of the paper / gold stamping film, correcting the deviation phenomenon, and realigning the paper to the conveying path; in addition, the adjusting roller adopts a structure in which both ends of the mandrel are provided with sleeves through bearings, and both ends of the sleeve are rotationally matched with the mandrel through bearings. The whole structure can distribute the load more evenly, reduce the stress concentration problem at a single part, avoid the rotation jamming of the adjusting roller, and ensure the reliable conveying of the paper and the gold stamping film. Description of the drawings

[0020] Figure 1 is a schematic structural diagram of the present utility model;

[0021] Figure 2 is a first sectional schematic diagram of the structure of the present utility model;

[0022] Figure 3 is a second sectional schematic diagram of the structure of the present utility model;

[0023] Figure 4 is Figure 3 a partial enlarged schematic diagram at A in

[0024] Figure 5 is Figure 3 a partial enlarged schematic diagram at B in

[0025] In the figure:

[0026] 1. Mounting plate

[0027] 1a. Notch

[0028] 1b. Upper guide groove

[0029] 1c. Lower guide groove

[0030] 2. Connecting column

[0031] 3. Feeding guide roller

[0032] 4. Adjusting roller

[0033] 5. Feeding flattening roller

[0034] 6. Hot stamping roller

[0035] 7. Discharging flattening roller

[0036] 8. Discharging guide roller

[0037] 9. Fixed bearing seat

[0038] 10. Movable bearing seat

[0039] 11. Cylinder

[0040] 12. Arc-shaped guide rail

[0041] 13. Outer mounting seat

[0042] 14. Electric push rod

[0043] 15. Flipping plate

[0044] 16. Roller

[0045] 17. Spring

[0046] 18. Screw

[0047] 19. Nut seat

[0048] 20. Handwheel

[0049] 4-1. Mandrel

[0050] 4-2. Sleeve

[0051] 4-3. Bearing

[0052] 4-4. End cap Detailed implementation method

[0053] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0054] Referring to the attached Figures 1-5 , a material conveying device of a cold ironing machine, comprising a mounting frame, and a hot stamping film roll conveying mechanism and a paper roll conveying mechanism which are mounted on the mounting frame and are distributed vertically.

[0055] The mounting frame includes a pair of mounting plates 1 arranged at a vertical interval, and the four corners of the pair of mounting plates 1 are supported and connected by connecting columns 2.

[0056] Both the hot stamping film roll conveying mechanism and the paper roll conveying mechanism include a feeding roller group, a hot stamping roller 6, and a discharging roller group which are arranged in sequence along the feeding direction.

[0057] The feeding roller group includes feeding guide rollers 3, adjusting rollers 4, and feeding flattening rollers 5 which are distributed in sequence along the feeding direction (i.e., Figure 1 , Figure 2 the direction from right to left in

[0058] The discharging roller set includes discharging flattening rollers 7, discharging flattening rollers 7 and discharging guide rollers 8 that are sequentially distributed along the feeding direction and are vertically staggered. Both ends of a pair of the discharging flattening rollers 7 and the discharging guide rollers 8 are respectively supported on the mounting frame through fixed bearing seats 9. In some embodiments, one of the discharging flattening rollers 7 can also be designed in the form of an adjusting roller 4 to form multi-point adjustment of the paper / gilding film, improving the accuracy and reliability of the adjustment.

[0059] In this embodiment, the adjusting roller 4 includes a core shaft 4-1, a sleeve 4-2, end caps 4-4 and bearings 4-3. One end of the core shaft 4-1 passes through the flipping plate 15 and is fixed to the flipping plate 15 by screwing a nut. The other end of the core shaft 4-1 is provided with a pair of rollers 16. The rollers 16 are arranged in the arc-shaped guide rail 12 and can roll along the arc-shaped guide roller as the adjusting roller 4 rotates. The sleeve 4-2 is sleeved outside the core shaft 4-1 and its two ends are rotationally matched with the core shaft 4-1 through bearings 4-3. The end caps 4-4 are respectively threadedly connected to the two open ends of the end caps 4-4.

[0060] In this embodiment, both ends of the hot stamping roller 6 are respectively movably mounted along the vertical direction through movable bearing seats 10 in the guide grooves (corresponding to the upper guide groove 1b and the lower guide groove 1c respectively) of the mounting plate 1. Specifically, the movable bearing seat 10 corresponding to the gilding film roll conveying mechanism is driven vertically by a cylinder 11 and its two sides are guided and matched with the guide grooves on the mounting plate 1 through guide rails. The cylinder 11 is fixed outside the mounting plate 1; the movable bearing seat 10 corresponding to the paper roll conveying mechanism is driven vertically through a lead screw-nut pair and a handwheel 20 and its two sides are guided and matched with the guide grooves on the mounting plate 1 through guide rails. One end of the lead screw of the lead screw-nut pair is rotationally matched with the connecting part at the end of the movable bearing seat 10, and the other end passes through the nut seat 19 and is connected to the handwheel 20. The nut seat 19 is fixed to the opening end of the lower guide groove 1c. Among them, the guide rails are integrally formed on the inner side walls of the upper guide groove 1b and the lower guide groove 1c. The two sides of the movable bearing seat 10 are recessed to form guide rail matching parts (i.e., chutes). The hot stamping roller 6 of the paper roll conveying mechanism is also called a pressure-bearing roller and remains fixed during the hot stamping process. The height of the pressure-bearing roller can be adjusted up and down through the handwheel 20 before hot stamping to adapt to different thicknesses of hot stamping films and papers.

[0061] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0062] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A material conveying device for a cold stamping machine, comprising a mounting frame, a stamping film roll conveying mechanism and a paper roll conveying mechanism installed on the mounting frame and arranged in an upper and lower manner, characterized in that: The hot stamping film roll conveying mechanism and the paper roll conveying mechanism both include a feed roller group, a hot stamping roller and a discharge roller group arranged in sequence along the feed direction; The feed roller group includes feed guide rollers, adjustment rollers, and feed flattening rollers which are sequentially distributed along the feed direction and vertically staggered. Both ends of the feed guide rollers and feed flattening rollers are supported on the mounting frame through fixed bearing seats respectively. One end of the adjustment roller is rotatably supported on the outer mounting seat through a flip plate, and the other end is supported in the arc guide rail through a roller. The flip plate is driven to flip around the axis by a flip drive unit. The discharge roller group includes a discharge flattening roller, a discharge flattening roller and a discharge guide roller which are sequentially distributed along the feeding direction and staggered vertically. Both ends of a pair of the discharge flattening rollers and the discharge guide rollers are supported on the mounting frame through fixed bearing seats.

2. A material conveying device for a cold foil stamping machine according to claim 1, characterized in that: The flip driving unit is an electric push rod, and the piston rod of the electric push rod abuts against the flip plate.

3. A material conveying device for a cold stamping machine according to claim 1, characterized in that: The adjusting roller includes a core shaft, a sleeve, an end cover and a bearing. One end of the core shaft is fixedly connected to the flip plate, and the other end is supported in the arc guide rail through a roller. The sleeve is sleeved outside the core shaft and its two ends are rotatably matched with the core shaft through bearings. The end covers are respectively threadedly connected to the openings at both ends of the end cover.

4. A material conveying device for a cold foil stamping machine according to claim 1, characterized in that: The two ends of the hot stamping roller are respectively mounted in the guide groove of the mounting plate in a vertically movably manner through movable bearing seats.

5. A material conveying device for a cold foil stamping machine as claimed in claim 4, characterized in that: The movable bearing seat corresponding to the hot stamping film roll conveying mechanism is driven vertically by a cylinder and its two sides are matched with the guide grooves on the mounting plate through guide rails; The movable bearing seat corresponding to the paper roll conveying mechanism is driven vertically through a screw nut pair in cooperation with a hand wheel, and both sides of the movable bearing seat are guided and cooperated with guide grooves on the mounting plate through guide rails.

6. A material conveying device for a cold foil stamping machine according to claim 1, characterized in that: The mounting frame comprises a pair of mounting plates arranged at a vertical interval, and the four corners of the pair of mounting plates are supported and connected by connecting columns.

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