Bottle body printing thread positioning structure and printing device with same

Abstract

The utility model relates to a bottle body printing thread positioning structure and a printing device with the same. The positioning structure comprises a fixing seat (1) and a fixing head matched with one end of a bottle body to be printed, the fixing head is matched with the other end of the bottle body to be printed, and the fixing head is connected with a transmission unit (3) through a rotating shaft (2); the telescopic unit (4) is connected with the transmission unit (3); and the positioning block (5) is matched with the tail end of a thread on the bottle body to be printed, the positioning block (5) is connected with the transmission unit (3), and when the bottle body to be printed rotates to a preset position, the positioning block (5) abuts against the tail end of the thread to achieve positioning. Compared with the prior art, low-cost and accurate positioning of the bottle body is realized, and the bottle body limiting device has the advantages of high bottle body limiting stability, no need of pretreatment on the bottle body and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a bottle body printing thread positioning structure and a printing device with the structure. Background Art

[0002] Screen printing is widely used in bottle printing. This technology enables the printing of both patterns and text. Screen printing demonstrates high flexibility and adaptability in bottle printing, capable of handling complex patterns and multiple colors to meet diverse market demands.

[0003] However, applying screen printing to bottle printing still faces numerous challenges and difficulties. Accurate bottle positioning is a key factor in ensuring printing quality. Precise positioning not only ensures precise overprinting of the pattern but also directly impacts its clarity, edge cleanliness, and overall aesthetics. Positioning deviations can result in misaligned, blurred, or overlapping patterns, compromising product appearance and market acceptance. Therefore, optimizing the bottle positioning mechanism is crucial to ensuring accurate pattern placement, but using methods such as visual recognition for positioning is costly.

[0004] In summary, how to ensure the printing quality on the bottle surface is an urgent problem to be solved. Utility Model Content

[0005] The purpose of the present invention is to overcome the defects of the above-mentioned prior art and to provide a bottle body printing thread positioning structure and a printing device having the structure, so as to achieve low-cost and accurate positioning of the bottle body during the printing process by optimizing the bottle body positioning mechanism.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] One aspect of the present invention provides a bottle body printed thread positioning structure, comprising:

[0008] Fixed seat, matching one end of the bottle to be printed

[0009] A fixed head, matched with the other end of the bottle to be printed, and connected to the transmission unit via a rotating shaft;

[0010] a telescopic unit connected to the transmission unit;

[0011] The positioning block matches the threaded end on the bottle to be printed. The positioning block is connected to the transmission unit. When the bottle to be printed rotates to a preset position, the positioning block abuts against the threaded end to achieve positioning.

[0012] As a preferred technical solution, the fixing seat, the fixing head, the telescopic unit and the transmission unit are coaxially arranged.

[0013] As a preferred technical solution, the fixed head includes:

[0014] a cylindrical block connected to the rotating shaft;

[0015] The frustum block is connected to the cylindrical block and matches one end of the bottle body to be printed with a threaded bottle mouth.

[0016] As a preferred technical solution, the diameter of the cross section of the truncated cone block is smaller than the diameter of the cross section of the cylindrical block, and the diameter of the cross section of the truncated cone block gradually decreases in the direction from the cylindrical block to the fixing seat.

[0017] As a preferred technical solution, the maximum diameter of the cross section of the truncated cone block matches the inner diameter of the bottle mouth to be printed.

[0018] As a preferred technical solution, the transmission unit includes:

[0019] a motor connected to the rotating shaft;

[0020] The housing wraps the motor, the housing is connected to the positioning block via a connecting block, and the housing is connected to the telescopic unit.

[0021] As a preferred technical solution, the telescopic unit includes:

[0022] Cylinder body;

[0023] A guide rod is connected to the transmission unit.

[0024] As a preferred technical solution, the thread is located on the outer surface of one end of the bottle mouth of the bottle to be printed.

[0025] Another aspect of the present invention provides a bottle body printing device, comprising:

[0026] The aforementioned bottle body printed thread positioning structure;

[0027] The first slide is arranged along the X direction;

[0028] a second slide, connected to the first slide and arranged along the Y direction, the second slide being connected to the scraper via a telescopic structure;

[0029] The third slide is connected to the first slide and is arranged along the Y direction. The third slide is connected to a wire mesh plate, and the fixing seat and the fixing head are located below the wire mesh plate.

[0030] As a preferred technical solution, the telescopic structure is an electric cylinder or a pneumatic cylinder.

[0031] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0032] (1) Realize low-cost and accurate positioning of the bottle body: The utility model sets a positioning block that matches the end of the thread of the bottle body to be printed. When the bottle body to be printed is rotated to a preset position, the positioning block and the end of the thread abut to achieve positioning. By adopting this structure, the positioning of the bottle body can be achieved without the need for high-cost visual positioning.

[0033] (2) Strong bottle body limiting stability: The utility model ensures the stability of bottle body clamping during the printing process by providing a fixed head including a cylindrical block and a truncated cone block, which cooperates with the fixed seat.

[0034] (3) No need to pre-treat the bottle body: The utility model does not require pre-treating the bottle body, such as opening positioning holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic diagram of the bottle body printed thread positioning structure from one angle in the embodiment;

[0036] Figure 2 This is a schematic diagram of the bottle body printed thread positioning structure from another angle in the embodiment;

[0037] Figure 3 This is a schematic diagram of the embodiment before the bottle body printing thread positioning structure is in place;

[0038] Figure 4 This is a schematic diagram of the embodiment after the bottle body printing thread positioning structure is in place;

[0039] Figure 5 is a schematic diagram of a printing device in an embodiment,

[0040] Among them, 1. fixed seat, 2. rotating shaft, 3. transmission unit, 4. telescopic unit, 5. positioning block, 6. cylindrical block, 7. frustum block, 8. connecting block, 9. first slide, 10. second slide, 11. telescopic structure, 12. scraper, 13. third slide, 14. screen plate. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0042] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it may be slightly tilted.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0044] Example 1

[0045] In order to solve the problems existing in the above-mentioned prior art, this embodiment provides a bottle body printing thread positioning structure. In this embodiment, the bottle body to be positioned has a thread, and the thread is located on the outer surface of one end of the bottle mouth to be printed. Figure 1 and Figure 2 The structure includes a fixed base 1 and a fixed head, each of which matches the ends of the bottle to be printed. The fixed head is connected to a transmission unit 3 via a rotating shaft 2, and the transmission unit 3 is connected to a telescopic unit 4. Furthermore, the structure includes a positioning block 5 that matches the end of the thread on the bottle to be printed. The positioning block 5 is connected to the transmission unit 3. Driven by the rotating shaft 2, the bottle to be printed moves in the opposite direction of the thread rotation. When it rotates to a preset position, the positioning block 5 abuts the end of the thread, and the bottle to be printed stops rotating, fixing its position and achieving positioning. To ensure clamping stability, the fixed base 1, fixed head, telescopic unit 4, and transmission unit 3 are coaxially arranged, with the fixed head able to rotate freely along the axial direction.

[0046] The fixed head of this embodiment includes a cylindrical block 6 connected to the rotating shaft 2 and a truncated cone block 7 that matches the threaded end of the bottle body to be printed. The cross-sectional diameter of the truncated cone block 7 is smaller than that of the cylindrical block 6, and the cross-sectional diameter of the truncated cone block 7 gradually decreases as the cylindrical block 6 points toward the fixed seat 1. The maximum cross-sectional diameter of the truncated cone block 7 matches the inner diameter of the bottle body to be printed, and the upper edge of the cone is smoothed. By adopting this fixed head, the rotating shaft and the fixed head that match the bottle body to be printed can drive the bottle body to be printed to rotate, while also ensuring the stability of the bottle body once it is in place.

[0047] The transmission unit 3 of this embodiment includes a motor connected to the rotating shaft 2 and a housing enclosing the motor. The housing is connected to the positioning block 5 via a connecting block 8 and is also connected to the telescopic unit 4. The motor is a commercially available product, preferably a torque motor, which can ensure constant torque output, thereby preventing damage to the positioning block 5 and the thread of the bottle body due to excessive rotation.

[0048] The telescopic unit 4 of this embodiment is matched with a cylinder body and a guide rod, and the guide rod is connected to the transmission unit 3. The telescopic unit 4 can be realized by using a commercially available electric cylinder or a pneumatic cylinder.

[0049] Preferably, the positioning block 5, the connecting block 8 and the housing are firmly connected, and the position where the positioning block 5 contacts the bottle body is made of flexible material to ensure that the bottle body can be prevented from further rotation when in place without damaging the end of the thread.

[0050] The working principle of this structure is as follows: before positioning, the telescopic unit 4 is in a retracted state so that the bottle to be positioned can be placed in it, and the other end of the bottle with the thread is clamped on the fixing seat 1, so that the retracting unit 4 works and drives the fixing head to fix the bottle to be positioned. At this time, the fixing head and the fixing seat 1 apply pressure to the bottle from two opposite directions to achieve docking. The frustum block 7 in the fixing head plays a guiding role in the docking process. After it is in place, because it matches the inner diameter of the bottle mouth of the bottle to be printed, and the diameter of the cross section of the frustum block 7 is smaller than the diameter of the cross section of the cylindrical block 6, the frustum block 7 can apply pressure to the edge of the bottle mouth to stably fix the bottle. The state after docking is completed is as follows Figure 3 After docking, the transmission unit 3 is started to drive the shaft 2 to rotate in the opposite direction of the thread until the positioning block 5 abuts against the end of the thread, thereby reaching the preset position for printing and achieving positioning. The state at this time is as shown in FIG. Figure 4 shown.

[0051] Example 2

[0052] Based on Example 1, see Figure 5 This embodiment provides a bottle printing device, including the bottle printing thread positioning structure as described in Example 1, and further including: a first slide 9 arranged along the X direction, and a first slide 10 and a first slide 13 connected to the first slide 9 and arranged along the Y direction, wherein the first slide 10 is connected to the scraper 12 via a telescopic structure 11, the first slide 13 is connected to the screen plate 14, and the fixed seat 3 and the fixed head 6 are located below the screen plate 14. It should be noted that the size and dimensions of the parts of the fixed seat 3 and the fixed head 6 that contact the bottle to be printed need to be adjusted in advance according to actual needs to ensure that they will not affect the printing operation of the screen plate 14. Figure 5 The sizes of the fixing seat 3 and the fixing head 6 are for reference only.

[0053] In this embodiment, the telescopic structure 11 is realized by a commercially available electric cylinder or pneumatic cylinder.

[0054] The working principle of the bottle printing device is as follows: the angle between the line connecting the two ends of the arc-shaped slide rail 2 and the horizontal plane is adjusted by using the bottle printing clamping structure. Figure 4 Then, the following printing operations are performed:

[0055] First position: Under the action of the telescopic structure 11, the scraper 12 and the screen plate 14 are out of contact. Below the screen plate 14, a bottle to be printed (not shown) is secured by the bottle body printing threaded positioning structure. Ink is pre-applied to the screen plate 14. The bottle to be printed is secured by a fixed central axis, ensuring contact between the bottle and the screen plate 14. The movement of the screen plate 14 drives the bottle to rotate to complete printing.

[0056] Second position: Under the action of the first slide 9, the scraper 12 and the screen plate 14 move downward as a whole until the screen plate 14 contacts the starting position of the bottle to be printed. Under the action of the telescopic structure 11, the scraper 12 and the screen plate 14 contact.

[0057] Third position: With the cooperation of the first slide 10 and the first slide 13, the scraper 12 maintains contact with the screen plate 14, and the screen plate 14 is in contact with the bottle to be printed. The scraper 12 moves on the screen plate 14, pressing the ink into the holes of the screen and transferring it to the surface of the bottle, achieving fine printing of patterns and text. It is important to note that the movement direction of the scraper 12 on the screen plate 14 should be consistent with the direction of the bottle thread. If the direction is opposite, the positioning block 5 will abut against the end of the thread and cannot move.

[0058] Fourth position: The telescopic structure 11 disengages the scraper 12 from the screen plate 14. The first slide 9 disengages the screen plate 14 from the bottle to be printed. The first slides 10 and 13 work together to return the scraper 12 and screen plate 14 to the first position, completing one printing cycle.

[0059] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A bottle body printing thread positioning structure, characterized in that: include: A fixing seat (1) that matches one end of the bottle to be printed A fixed head, matched with the other end of the bottle to be printed, the fixed head being connected to the transmission unit (3) via a rotating shaft (2); A telescopic unit (4) connected to the transmission unit (3); A positioning block (5) matches the threaded end of the bottle to be printed, and the positioning block (5) is connected to the transmission unit (3). When the bottle to be printed rotates to a preset position, the positioning block (5) abuts against the threaded end to achieve positioning.

2. A bottle body printing thread positioning structure according to claim 1, characterized in that: The fixing seat (1), the fixing head, the telescopic unit (4) and the transmission unit (3) are coaxially arranged.

3. The bottle body printing thread positioning structure according to claim 1, characterized in that: The fixed head comprises: A cylindrical block (6) connected to the rotating shaft (2); The frustum block (7) is connected to the cylindrical block (6) and matches one end of the bottle body to be printed with a threaded bottle mouth.

4. The bottle body printing thread positioning structure according to claim 3, characterized in that: The diameter of the cross section of the truncated cone block (7) is smaller than the diameter of the cross section of the cylindrical block (6), and the diameter of the cross section of the truncated cone block (7) gradually decreases in the direction from the cylindrical block (6) to the fixing seat (1).

5. The bottle body printing thread positioning structure according to claim 3, characterized in that: The maximum diameter of the cross section of the frustum block (7) matches the inner diameter of the bottle mouth to be printed.

6. The bottle body printing thread positioning structure according to claim 1, characterized in that: The transmission unit (3) comprises: A motor connected to the rotating shaft (2); The housing wraps the motor, the housing is connected to the positioning block (5) via a connecting block (8), and the housing is connected to the telescopic unit (4).

7. The bottle body printing thread positioning structure according to claim 1, characterized in that: The telescopic unit (4) comprises: Cylinder body; A guide rod is connected to the transmission unit (3).

8. The bottle body printing thread positioning structure according to claim 1, characterized in that: The thread is located on the outer surface of one end of the bottle mouth of the bottle body to be printed.

9. A bottle body printing device having a bottle body printing thread positioning structure according to any one of claims 1 to 8, characterized in that: Also includes: A first slide (9) is arranged along the X direction; A second slide (10) is connected to the first slide (9) and is arranged along the Y direction, and the second slide (10) is connected to the scraper (12) via a telescopic structure (11); The third slide (13) is connected to the first slide (9) and is arranged along the Y direction. The third slide (13) is connected to a wire mesh plate (14). The fixing seat (1) and the fixing head are located below the wire mesh plate (14). The telescopic structure (11) is an electric cylinder or a pneumatic cylinder.

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