Bottle cap printing device

Abstract

The utility model discloses a bottle cap printing device, which relates to the field of bottle cap production and has the technical key points that the bottle cap printing device comprises a conveying frame, a support frame is arranged at the top of the conveying frame, a printing head is arranged at the bottom of the support frame, two conveying belts are arranged in the conveying frame, and the two conveying belts are separated to form a movable interval; positioning air cylinders are arranged on the two sides of the top of the conveying frame, positioning blocks are arranged at one ends of the two positioning air cylinders, positioning grooves are formed in one sides of the two positioning blocks, the positioning grooves of the two positioning blocks are matched with the two sides of a bottle cap in shape respectively, and the two positioning blocks are located above the conveying belt. And the two positioning blocks are spaced to form a positioning interval, and the positioning interval is communicated with the movable interval, so that the technical problems that the position of a printing pattern of the bottle cap is inaccurate and the printing quality is affected due to the fact that the bottle cap is not located at a preset printing position when reaching the position below the printing device due to displacement of the bottle cap are solved.

Description

Technical Field

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

[0002] During the bottle cap production process, it is necessary to print text and patterns on the surface of the bottle cap according to different products and manufacturers. During the bottle cap printing process, the conveyor belt is responsible for transporting the bottle cap. When the bottle cap reaches the printing device, the conveyor belt stops transporting and the printing device prints the bottle cap.

[0003] However, since the bottle caps are light, when the conveyor belt stops conveying, the bottle caps will be displaced due to the inertia of the conveyor belt. The printing device positions the printing pattern according to preset parameters. These parameters are set based on the exact position of the bottle caps on the conveyor belt. If the bottle caps are displaced, they will no longer be in the predetermined printing position when they reach under the printing device, resulting in inaccurate positioning of the printed pattern on the bottle caps, affecting the printing quality. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a bottle cap printing device, which aims to solve the technical problem that the bottle cap is displaced and no longer in the predetermined printing position when it reaches the bottom of the printing device, resulting in inaccurate position of the printed pattern on the bottle cap and affecting the printing quality.

[0005] The technical solution of the utility model to solve the above technical problems is:

[0006] A bottle cap printing device comprises a conveyor frame, a support frame is provided on the top of the conveyor frame, a printing head is provided at the bottom of the support frame, two conveyor belts are provided inside the conveyor frame, the two conveyor belts are separated to form a movable interval, positioning cylinders are provided on both sides of the top of the conveyor frame, one end of the two positioning cylinders is provided with a positioning block, one side of the two positioning blocks is provided with a positioning groove, the positioning grooves of the two positioning blocks respectively match the shapes of the two sides of the bottle cap, the two positioning blocks are located above the conveyor belt, the two positioning blocks are separated to form a positioning interval, the positioning interval is connected to the movable interval, the printing head faces the positioning interval, a lifting cylinder is provided inside the conveyor frame, the lifting cylinder is located below the conveyor belt, a placement block is provided on the top of the lifting cylinder, and the placement block faces the positioning interval.

[0007] When the bottle cap is transported to the position of the positioning interval by the conveyor belt, the conveyor belt stops working and the lifting cylinder is started. The lifting cylinder drives the placement block to rise so that the placement block supports the bottom of the bottle cap, and the two positioning cylinders are started so that the two positioning cylinders drive the two positioning blocks to contact the two sides of the bottle cap. Since the positioning grooves of the two positioning blocks match the shapes of the two sides of the bottle cap respectively, the two positioning grooves will guide the bottle cap to the correct position. Therefore, through the joint action of the placement block and the two positioning blocks, the bottle cap is fixed in the vertical and horizontal directions on both sides. When the printing head starts printing, the bottle cap will be accurately under the printing head, ensuring the accuracy and consistency of the printed pattern.

[0008] Furthermore, in the present application, limiting plates are provided on both sides of the interior of the conveying frame, the limiting plates are located above the conveyor belt, and the two limiting plates are separated to form a first limiting interval, and the first limiting interval is connected to the positioning interval.

[0009] The two limiting plates form a first limiting interval to ensure that the bottle caps need to maintain a predetermined path during the conveying process, so that the bottle caps will not deviate from the center line on the conveyor belt, so that the bottle caps can enter the positioning interval easily.

[0010] Furthermore, in the present application, the space of the first limiting interval gradually shrinks toward the positioning interval.

[0011] When the bottle cap moves along the conveyor belt, the bottle cap will start to move from the wider area of ​​the first limit interval. As the bottle cap moves, the space of the first limit interval gradually shrinks, forcing the bottle cap to gradually approach the center of the conveyor belt and eventually move towards the direction of the positioning interval, thereby improving the positioning accuracy of the bottle cap during the conveying process.

[0012] Furthermore, in the present application, an auxiliary sliding rod is provided on one side of the positioning block, and auxiliary sliding grooves are provided on both sides of the support frame. The auxiliary sliding rods of the two positioning blocks are respectively slidably matched with the auxiliary sliding grooves on both sides of the support frame.

[0013] Furthermore, in the present application, a limit block is provided at one end of the auxiliary sliding rod, the size of the limit block is larger than the size of the auxiliary sliding groove, and the limit block is located outside the support frame.

[0014] Furthermore, in the present application, the conveyor frame is internally rotatably connected to two conveyor rollers, the conveyor belt is sleeved on the outside of the two conveyor rollers, and a drive motor is provided on one side of the conveyor frame, and the drive motor drives any one of the conveyor rollers to roll.

[0015] Furthermore, in the present application, a plurality of limiting rings are provided on the outside of the conveying roller, and the plurality of limiting rings are arranged at intervals, and adjacent limiting rings are spaced to form a second limiting interval, and the two conveyor belts are located in any two of the second limiting intervals.

[0016] Furthermore, in the present application, a lifting frame is provided on the top of the support frame, and a lifting screw rod is connected to the internal rotation of the lifting frame. A lifting motor is provided on one side of the lifting frame, and the lifting motor drives the lifting screw rod to rotate. A lifting nut is provided on one side of the lifting screw rod, and a movable seat is provided on one side of the lifting nut. A frame is provided at the bottom of the movable seat, and the printing head is installed at the bottom of the frame.

[0017] Furthermore, in the present application, a guide frame is provided on the top of the support frame, a guide slot is provided on one side of the guide frame, a guide slider is provided on one side of the movable seat, and the guide slider is slidably engaged with the guide slot.

[0018] Furthermore, in the present application, the shape of the placement block matches the inner shape of the bottle cap.

[0019] The utility model has the following beneficial effects:

[0020] When the bottle cap is transported to the position of the positioning interval by the conveyor belt, the conveyor belt stops working and the lifting cylinder is started. The lifting cylinder drives the placement block to rise so that the placement block supports the bottom of the bottle cap, and the two positioning cylinders are started so that the two positioning cylinders drive the two positioning blocks to contact the two sides of the bottle cap. Since the positioning grooves of the two positioning blocks match the shapes of the two sides of the bottle cap respectively, the two positioning grooves will guide the bottle cap to the correct position. Therefore, through the joint action of the placement block and the two positioning blocks, the bottle cap is fixed in the vertical and horizontal directions on both sides. When the printing head starts printing, the bottle cap will be accurately under the printing head, ensuring the accuracy and consistency of the printed pattern. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the present utility model.

[0022] Figure 2 It is a structural schematic diagram of the limiting plate of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the guide frame of the present utility model.

[0024] Figure 4 It is a structural schematic diagram of the auxiliary chute of the utility model.

[0025] Figure 5 It is a structural diagram of the positioning cylinder of the utility model.

[0026] Figure 6 It is a structural schematic diagram of the placement block of the utility model.

[0027] Wherein, the reference numerals:

[0028] 1. Conveyor rack; 2. Conveyor roller; 3. Conveyor belt; 4. Limiting ring; 5. Movable interval; 6. Limiting plate; 7. First limiting interval; 8. Support rack; 9. Movable seat; 10. Frame; 11. Print head; 12. Lifting rack; 13. Lifting screw; 14. Lifting motor; 15. Lifting nut; 16. Guide rack; 17. Guide slider; 18. Guide chute; 19. Ejecting cylinder; 20. Placement block; 21. Positioning cylinder; 22. Positioning block; 23. Positioning slot; 24. Auxiliary slide; 25. Limiting block; 26. Auxiliary chute; 27. Positioning interval; 28. Drive motor; 29. ​​Second limiting interval. DETAILED DESCRIPTION

[0029] 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 should not be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like, 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 cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, or mutual communication; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] Reference Figures 1-6 In some specific embodiments, a bottle cap printing device includes a conveyor frame 1, a support frame 8 is provided on the top of the conveyor frame 1, a printing head 11 is provided at the bottom of the support frame 8, two conveyor belts 3 are provided inside the conveyor frame 1, and the two conveyor belts 3 are separated to form a movable gap 5, positioning cylinders 21 are provided on both sides of the top of the conveyor frame 1, and positioning blocks 22 are provided at one end of the two positioning cylinders 21. Positioning grooves 23 are provided on one side of the two positioning blocks 22, and the positioning grooves 23 of the two positioning blocks 22 respectively match the shapes of the two sides of the bottle cap, the two positioning blocks 22 are located above the conveyor belt 3, the two positioning blocks 22 are separated to form a positioning gap 27, the positioning gap 27 is connected to the movable gap 5, the printing head 11 faces the positioning gap 27, and a lifting cylinder 19 is provided inside the conveyor frame 1, and the lifting cylinder 19 is located below the conveyor belt 3. A placement block 20 is provided on the top of the lifting cylinder 19, and the placement block 20 faces the positioning gap 27.

[0033] Through the above technical solution, when the bottle cap is conveyed to the position of the positioning interval 27 by the conveyor belt 3, the conveyor belt 3 stops working, and the lifting cylinder 19 is started. The lifting cylinder 19 drives the placement block 20 to rise, so that the placement block 20 supports the bottom of the bottle cap, and the two positioning cylinders 21 are started, so that the two positioning cylinders 21 drive the two positioning blocks 22 to contact the two sides of the bottle cap. Since the positioning grooves 23 of the two positioning blocks 22 respectively match the shapes of the two sides of the bottle cap, the two positioning grooves 23 will guide the bottle cap to the correct position, so that through the joint action of the placement block 20 and the two positioning blocks 22, the bottle cap is fixed in the vertical and horizontal directions on both sides, so that when the printing head 11 starts printing, the bottle cap will be accurately below the printing head 11, ensuring the accuracy and consistency of the printed pattern.

[0034] Reference Figure 1-Figure 2 In some specific embodiments, limit plates 6 are provided on both sides of the interior of the conveyor frame 1 , and the limit plates 6 are located above the conveyor belt 3 . The two limit plates 6 are separated to form a first limit interval 7 , and the first limit interval 7 is connected to the positioning interval 27 .

[0035] Through the above technical solution, the two limiting plates 6 form a first limiting interval 7 to ensure that the bottle caps need to maintain a predetermined path during transportation, so that the bottle caps will not deviate from the center line on the conveyor belt 3, so that the bottle caps can enter the positioning interval 27.

[0036] Reference Figure 1-Figure 5 In some specific embodiments, the space of the first limiting interval 7 gradually shrinks toward the positioning interval 27.

[0037] Through the above technical solution, when the bottle cap moves with the conveyor belt 3, the bottle cap will start to move from the wider area of ​​the first limit interval 7. As the bottle cap moves, the space of the first limit interval 7 gradually shrinks, forcing the bottle cap to gradually approach the center of the conveyor belt 3 and finally move towards the direction of the positioning interval 27, thereby improving the positioning accuracy of the bottle cap during the conveying process.

[0038] Reference Figures 1-4 In some specific embodiments, an auxiliary slide rod 24 is provided on one side of the positioning block 22, and auxiliary slide grooves 26 are provided on both sides of the support frame 8. The auxiliary slide rods 24 of the two positioning blocks 22 slide with the auxiliary slide grooves 26 on both sides of the support frame 8 respectively.

[0039] Through the above technical solution, the cooperation between the auxiliary slide bar 24 and the auxiliary slide groove 26 prevents the positioning block 22 from shaking or deflecting during movement, thereby ensuring the accuracy and stability of the positioning block 22 when contacting the bottle cap.

[0040] Reference Figures 1-4 In some specific embodiments, a limit block 25 is provided at one end of the auxiliary slide bar 24 . The size of the limit block 25 is larger than the size of the auxiliary slide groove, and the limit block 25 is located outside the support frame 8 .

[0041] Through the above technical solution, the main function of the limit block 25 is to limit the moving range of the auxiliary slide bar 24 to prevent a large collision when the two positioning blocks 22 approach each other, thereby extending the service life of the positioning blocks 22.

[0042] Reference Figure 6 In some specific embodiments, the conveyor frame 1 is internally rotatably connected to two conveyor rollers 2, and the conveyor belt 3 is sleeved on the outside of the two conveyor rollers 2. A drive motor 28 is provided on one side of the conveyor frame 1, and the drive motor 28 drives any one of the conveyor rollers 2 to roll.

[0043] Reference Figures 1-6 In some specific embodiments, a plurality of limiting rings 4 are provided on the outside of the conveying roller 2. The plurality of limiting rings 4 are arranged at intervals, and adjacent limiting rings 4 are spaced apart to form a second limiting interval 29. The two conveyor belts 3 are located in any two of the second limiting intervals 29.

[0044] Through the above technical solution, the two conveyor belts 3 are located within any two second limit intervals 29, which means that the conveyor belts 3 are always located in the channel formed by the limit ring 4 during the transmission process, ensuring that the two conveyor belts 3 are located within any two second limit intervals 29, which means that the conveyor belts 3 are always located in the channel formed by the limit ring 4 during the transmission process.

[0045] Reference Figures 1-4 In some specific embodiments, a lifting frame 12 is provided on the top of the support frame 8, and a lifting screw rod 13 is connected to the internal rotation of the lifting frame 12. A lifting motor 14 is provided on one side of the lifting frame 12, and the lifting motor 14 drives the lifting screw rod 13 to rotate. A lifting nut 15 is provided on one side of the lifting screw rod 13, and a movable seat 9 is provided on one side of the lifting nut 15. A frame 10 is provided at the bottom of the movable seat 9, and a printing head 11 is installed at the bottom of the frame 10.

[0046] Through the above technical solution, when the lifting motor 14 drives the lifting screw 13 to rotate, the lifting nut 15 moves accordingly, thereby driving the movable seat 9 to move, so as to adjust the height position of the printing head 11.

[0047] Reference Figures 1-4 In some specific embodiments, a guide frame 16 is provided on the top of the support frame 8, a guide slot 18 is provided on one side of the guide frame 16, and a guide slider 17 is provided on one side of the movable seat 9, and the guide slider 17 slides in conjunction with the guide slot 18.

[0048] Through the above technical solution, through the cooperation of the guide slider 17 and the guide slot 18, the printing head 11 moves along the straight track of the guide slot 18 under the guidance of the guide slider 17, thereby ensuring stability during the printing process.

[0049] Reference Figures 1-4 In some embodiments, the shape of the placement block 20 matches the inner shape of the bottle cap.

[0050] Through the above technical solution, the design of the placement block 20 enables it to closely fit the internal shape of the bottle cap, thereby ensuring that the bottle cap will not move or deform during the printing process.

[0051] It should be noted that, in this document, relational terms such as first and second, etc., are used only 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 terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A bottle cap printing device, comprising a conveyor frame, a support frame is provided on the top of the conveyor frame, and a printing head is provided on the bottom of the support frame, characterized in that: Two conveyor belts are provided inside the conveyor frame, and the two conveyor belts are separated to form a movable interval, positioning cylinders are provided on both sides of the top of the conveyor frame, and positioning blocks are provided at one end of the two positioning cylinders, and positioning grooves are provided on one side of the two positioning blocks, and the positioning grooves of the two positioning blocks respectively match the shapes of the two sides of the bottle caps, the two positioning blocks are located above the conveyor belt, and the two positioning blocks are separated to form a positioning interval, the positioning interval is connected to the movable interval, and the printing head faces the positioning interval, and a lifting cylinder is provided inside the conveyor frame, and the lifting cylinder is located below the conveyor belt, and a placement block is provided on the top of the lifting cylinder, and the placement block faces the positioning interval.

2. A bottle cap printing device according to claim 1, characterized in that: Limiting plates are provided on both sides of the interior of the conveying frame. The limiting plates are located above the conveying belt. The two limiting plates are spaced apart to form a first limiting interval, and the first limiting interval is connected to the positioning interval.

3. A bottle cap printing device according to claim 2, characterized in that: The space of the first limiting interval gradually decreases toward the positioning interval.

4. A bottle cap printing device according to claim 2, characterized in that: An auxiliary sliding rod is provided on one side of the positioning block, and auxiliary sliding grooves are provided on both sides of the support frame. The auxiliary sliding rods of the two positioning blocks are respectively slidably matched with the auxiliary sliding grooves on both sides of the support frame.

5. A bottle cap printing device according to claim 4, characterized in that: A limit block is provided at one end of the auxiliary sliding rod, the size of the limit block is larger than the size of the auxiliary sliding groove, and the limit block is located outside the supporting frame.

6. A bottle cap printing device according to claim 1, characterized in that: The conveying frame is internally rotatably connected to two conveying rollers, the conveying belt is sleeved on the outside of the two conveying rollers, and a driving motor is provided on one side of the conveying frame, and the driving motor drives any one of the conveying rollers to roll.

7. A bottle cap printing device according to claim 6, characterized in that: A plurality of limiting rings are disposed outside the conveying roller, and the plurality of limiting rings are arranged at intervals, and adjacent limiting rings are spaced to form a second limiting interval, and the two conveying belts are located in any two of the second limiting intervals.

8. The bottle cap printing device according to claim 1, characterized in that: A lifting frame is provided on the top of the support frame, and a lifting screw rod is rotatably connected inside the lifting frame. A lifting motor is provided on one side of the lifting frame, and the lifting motor drives the lifting screw rod to rotate. A lifting nut is provided on one side of the lifting screw rod, and a movable seat is provided on one side of the lifting nut. A frame is provided at the bottom of the movable seat, and the printing head is installed at the bottom of the frame.

9. A bottle cap printing device according to claim 8, characterized in that: A guide frame is provided on the top of the support frame, a guide slot is provided on one side of the guide frame, a guide slider is provided on one side of the movable seat, and the guide slider is slidably matched with the guide slot.

10. The bottle cap printing device according to claim 1, characterized in that: The shape of the placing block matches the inner shape of the bottle cap.

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