Plastic bottle surface printing device

Abstract

The utility model relates to the technical field of plastic bottle production, and discloses a plastic bottle surface printing device which comprises a supporting seat, a vertical moving assembly is arranged on the supporting seat, a transverse moving assembly is arranged at the moving end of the vertical moving assembly, an ink scraping knife and an ink returning knife are arranged on one side of the supporting seat, and the ink scraping knife and the ink returning knife are arranged on the other side of the supporting seat. A transverse moving assembly is arranged on the supporting base, a printing plate located below the ink scraping blade and the ink returning blade is arranged at the moving end of the transverse moving assembly, a lifting platform is arranged on the supporting base, and a limiting assembly used for fixing a plastic bottle is arranged at the moving end of the lifting platform. The printing plate is pressed by the doctor blade, so that ink is uniformly extruded and printed on a plastic bottle, a highly accurate and consistent printing result is realized, the plastic bottle is driven to axially rotate while the printing plate moves linearly, printed patterns or characters are ensured to be distributed consistently on the whole bottle body, and the printing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bottle production, in particular to a plastic bottle surface printing device. Background Art

[0002] Plastic bottles are mainly made of materials such as polyethylene or polypropylene and added with a variety of organic solvents. Plastic bottles widely use polyester (PET), polyethylene (PE), and polypropylene (PP) as raw materials. After adding corresponding organic solvents, they are heated at high temperature and then blow molded, extruded, or injection molded through plastic molds. They are mainly used for liquid or solid disposable plastic packaging containers such as beverages, foods, pickles, honey, dried fruits, edible oils, pesticides and veterinary drugs. Plastic bottles are not easy to break, low cost, high transparency, and food-grade raw materials.

[0003] Existing plastic bottle surface printing devices usually use a flat printing machine to press the ink pad onto the bottle body through a scraper. However, the appearance of plastic bottles varies. When printing on cylindrical plastic bottles, the surface of the plastic bottle is curved, and the contact area between the plastic bottle and the printing plate is small, resulting in deformation or missing of the pattern on the surface of the plastic bottle by the hard brush, and poor printing effect and aesthetics. Therefore, a plastic bottle surface printing device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a plastic bottle surface printing device, including a support seat, a vertical moving component is arranged on the support seat, a horizontal moving component is arranged at the moving end of the vertical moving component, a scraper and an ink return knife are arranged on one side of the support seat, a printing plate located below the scraper and the ink return knife is arranged at the moving end of the horizontal moving component, a lifting platform is arranged on the support seat, a limiting component for fixing the plastic bottle is arranged at the moving end of the lifting platform, a transmission component is arranged between the limiting component and the horizontal moving component, wherein the horizontal moving component controls the axial rotation of the plastic bottle while pushing the printing plate to move linearly.

[0005] Furthermore, the vertical movement component includes a first electric push rod, which is fixedly mounted on a support seat, a sliding seat is provided at the telescopic end of the first electric push rod, a sliding rod is fixedly mounted on the inner side of the support seat, and the sliding seat is slidably connected to the outer side of the sliding rod.

[0006] Furthermore, the lateral movement component includes a frame, which is fixedly mounted on one side surface of the slide, and a driving motor is fixedly mounted on the frame, and a driving end of the driving motor is fixedly mounted with a first synchronous pulley located inside the frame, and a second synchronous pulley is rotatably connected to the frame, and the first synchronous pulley and the second synchronous pulley are connected via a synchronous belt transmission, and a connecting seat is provided on the synchronous belt, and a printed board is provided on one side of the connecting seat.

[0007] Furthermore, the limiting assembly includes a rotating shaft, which is rotatably connected to the moving end of the lifting platform, a second electric push rod is provided on one side of the rotating shaft, a plug is provided at the telescopic end of the second electric push rod, and a plurality of equidistantly distributed support wheels are provided between the plug and the rotating shaft.

[0008] Furthermore, the transmission assembly includes a gear, which is fixedly mounted on the rotating shaft. The bottom end of the connecting seat is rotatably connected to a rack meshing with the gear. A connecting piece is fixedly mounted on the rotating shaft, and one side surface of the connecting piece is in contact with the rack.

[0009] The beneficial effects of the utility model are as follows: the utility model can control the printing plate to move at a uniform speed by arranging a vertical moving component and a horizontal moving component, and the ink scraper and the ink return knife are fixedly arranged, and the surface of the plastic bottle is printed under the pressure of the ink scraper and the ink return knife, and at the same time a limiting component is arranged at the moving end of the lifting platform, and the mouth of the plastic bottle is blocked by a plug and the bottom of the bottle is contacted with the rotating shaft, so that the plastic bottle is fixed, and at the same time the plug blocks the bottle mouth to maintain the air pressure in the plastic bottle, and prevents the plastic bottle from being crushed due to excessive pressure from the ink scraper and the ink return knife during printing, thereby causing a printing shortage phenomenon. Compared with the existing technology, when the printing plate moves linearly, the ink scraper applies pressure to the printing plate, so that the ink is evenly squeezed out and printed on the plastic bottle, and highly accurate and consistent printing results are achieved, and the plastic bottle is driven to rotate axially while the printing plate moves linearly, so as to ensure that the printed pattern or text is uniformly distributed on the entire bottle body, thereby improving the printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an overall schematic diagram of the utility model;

[0011] Figure 2 It is a right side view schematic diagram of the utility model;

[0012] Figure 3 For this utility model Figure 2 The enlarged schematic diagram at A in the middle;

[0013] Figure 4 It is a schematic diagram of the vertical moving component of the utility model.

[0014] Among them, 1. support seat; 2. vertical moving component; 21. first electric push rod; 22. slide seat; 23. slide rod; 3. horizontal moving component; 31. frame; 32. drive motor; 33. first synchronous pulley; 34. second synchronous pulley; 35. synchronous belt; 36. connecting seat; 4. scraper; 5. ink return knife; 6. printing plate; 7. lifting platform; 8. limit component; 81. rotating shaft; 82. second electric push rod; 83. plug; 84. support wheel; 9. transmission component; 91. gear; 92. rack; 93. connecting piece. DETAILED DESCRIPTION

[0015] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0016] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] In the embodiment, Figure 1-4A plastic bottle surface printing device is provided, comprising a support base 1, a vertical moving component 2 is arranged on the support base 1, a horizontal moving component 3 is arranged at the moving end of the vertical moving component 2, a scraper 4 and an ink return knife 5 are arranged on one side of the support base 1, a printing plate 6 located below the scraper 4 and the ink return knife 5 is arranged at the moving end of the horizontal moving component 3, a lifting platform 7 is arranged on the support base 1, a limiter component 8 for fixing the plastic bottle is arranged at the moving end of the lifting platform 7, and a transmission component is arranged between the limiter component 8 and the horizontal moving component 3 9, wherein the lateral moving component 3 controls the axial rotation of the plastic bottle while pushing the printing plate 6 to move linearly. The printing plate 6 adopts the existing technology and can be purchased directly from the market. The shape of the ink outlet hole can be set on the surface of one side of the printing plate 6 according to the printing needs. Under the pressure of the scraper 4, the ink is squeezed out from the ink outlet hole and printed on the bottle body, so that the surface of the plastic bottle can be printed. The lifting platform 7 includes a one-way cylinder and a mounting plate arranged at the telescopic end of the one-way cylinder. The plastic bottle is driven to float upward by the one-way cylinder so as to contact the bottom of the printing plate 6.

[0019] Reference Figure 1-4 , wherein the vertical moving assembly 2 comprises a first electric push rod 21, the first electric push rod 21 is fixedly mounted on the support seat 1, a slide seat 22 is provided at the telescopic end of the first electric push rod 21, a slide rod 23 is fixedly mounted on the inner side of the support seat 1, and the slide seat 22 is slidably connected to the outer side of the slide rod 23;

[0020] Through the above-mentioned structural setting, the first electric push rod 21 drives the slide 22 to move vertically up and down, and there are two slide rods 23, which are respectively located on both sides of the slide 22 and provide a guiding effect for the linear movement of the slide 22. When printing, the first electric push rod 21 drives the printing plate 6 to move toward the ink scraper 4, so that the ink scraper 4 and the ink return knife 5 are in contact with the printing plate 6, thereby realizing the extrusion printing of ink.

[0021] Reference Figure 1-4 The lateral moving assembly 3 includes a frame 31, which is fixedly mounted on a side surface of the slide 22, a driving motor 32 is fixedly mounted on the frame 31, a first synchronous pulley 33 located inside the frame 31 is fixedly mounted on the driving end of the driving motor 32, a second synchronous pulley 34 is rotatably connected to the frame 31, the first synchronous pulley 33 and the second synchronous pulley 34 are connected through a synchronous belt 35, a connecting seat 36 is arranged on the synchronous belt 35, and a printing plate 6 is arranged on one side of the connecting seat 36;

[0022] Through the above-mentioned structural setting, the positions of the scraper 4 and the ink return knife 5 are fixed, the driving motor 32 drives the first synchronous pulley 33 to rotate, and drives the second synchronous pulley 34 to rotate in the same direction through the synchronous belt 35, so that the contact position of the scraper 4 and the printing plate 6 can be changed, so that the pattern can be completely extruded and printed on the surface of the plastic bottle.

[0023] Reference Figure 1-4 The limiting assembly 8 includes a rotating shaft 81, which is rotatably connected to the moving end of the lifting platform 7. A second electric push rod 82 is provided on one side of the rotating shaft 81, and a plug 83 is provided at the telescopic end of the second electric push rod 82. A plurality of supporting wheels 84 are equidistantly distributed between the plug 83 and the rotating shaft 81.

[0024] Through the above-mentioned structural setting, the plug 83 is set in a conical shape, and the plastic bottle is loaded onto the supporting wheel 84. The second electric push rod 82 is turned on to drive the plug 83 to move to the mouth of the plastic bottle and push the bottom of the plastic bottle to contact the rotating shaft 81. At the same time, the plug 83 seals the mouth of the plastic bottle to prevent the ink scraper 4 from applying excessive pressure to crush the plastic bottle. A limit piece is set at one end of the rotating shaft 81 close to the plastic bottle. The limit piece is adapted to the shape of the bottom of the plastic bottle to increase the friction between the plastic bottle and the plastic bottle, ensuring that the rotating shaft 81 can drive the plastic bottle to rotate in the same direction when it rotates.

[0025] Reference Figure 1-4 , wherein the transmission assembly 9 includes a gear 91, the gear 91 is fixedly mounted on the rotating shaft 81, the bottom end of the connecting seat 36 is rotatably connected to a rack 92 meshing with the gear 91, and a connecting member 93 is fixedly mounted on the rotating shaft 81, and one side surface of the connecting member 93 is in contact with the rack 92;

[0026] Through the above-mentioned structural setting, the connecting piece 93 meshes the rack 92 with the gear 91. After the plastic bottle completes the limit, the lifting platform drives the plastic bottle to float upward until it contacts the printing plate 6. At the same time, the rack is arranged in parallel with the printing plate 6. When the printing plate 6 moves linearly, the rack 92 also moves accordingly, and the gear 91 is driven by the rack 92 to rotate. Therefore, when the printing plate 6 moves, the plastic bottle also rotates accordingly, ensuring that the printed pattern or text is evenly distributed on the entire bottle body.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic bottle surface printing device, comprising a support base (1), characterized in that: The support seat (1) is provided with a vertical moving component (2), the moving end of the vertical moving component (2) is provided with a horizontal moving component (3), one side of the support seat (1) is provided with an ink scraper (4) and an ink return knife (5), the moving end of the horizontal moving component (3) is provided with a printing plate (6) located below the ink scraper (4) and the ink return knife (5), the support seat (1) is provided with a lifting platform (7), the moving end of the lifting platform (7) is provided with a limiter component (8) for fixing the plastic bottle, a transmission component (9) is provided between the limiter component (8) and the horizontal moving component (3), wherein the horizontal moving component (3) controls the axial rotation of the plastic bottle while pushing the printing plate (6) to move linearly.

2. A plastic bottle surface printing device according to claim 1, characterized in that: The vertical movement assembly (2) comprises a first electric push rod (21), the first electric push rod (21) is fixedly mounted on the support seat (1), a sliding seat (22) is provided at the telescopic end of the first electric push rod (21), a sliding rod (23) is fixedly mounted on the inner side of the support seat (1), and the sliding seat (22) is slidably connected to the outer side of the sliding rod (23).

3. A plastic bottle surface printing device according to claim 2, characterized in that: The lateral movement assembly (3) comprises a frame (31), the frame (31) being fixedly mounted on a side surface of a slide seat (22), a driving motor (32) being fixedly mounted on the frame (31), a driving end of the driving motor (32) being fixedly mounted with a first synchronous pulley (33) located inside the frame (31), a second synchronous pulley (34) being rotatably connected to the frame (31), the first synchronous pulley (33) and the second synchronous pulley (34) being transmission-connected via a synchronous belt (35), a connecting seat (36) being arranged on the synchronous belt (35), and a printed board (6) being arranged on one side of the connecting seat (36).

4. A plastic bottle surface printing device according to claim 1, characterized in that: The limit assembly (8) comprises a rotating shaft (81) which is rotatably connected to the moving end of the lifting platform (7); a second electric push rod (82) is provided on one side of the rotating shaft (81); a plug (83) is provided at the telescopic end of the second electric push rod (82); and a plurality of supporting wheels (84) which are equidistantly distributed are provided between the plug (83) and the rotating shaft (81).

5. A plastic bottle surface printing device according to claim 3, characterized in that: The transmission assembly (9) comprises a gear (91) which is fixedly mounted on the rotating shaft (81); a rack (92) which meshes with the gear (91) is rotatably connected to the bottom end of the connecting seat (36); a connecting piece (93) is fixedly mounted on the rotating shaft (81); a side surface of the connecting piece (93) is in contact with the rack (92).

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