Label cutting device for carton packaging
By designing adjustment and limiting mechanisms, the problem of the label cutting device being unable to be flexibly adjusted has been solved, enabling efficient cutting of labels of different thicknesses, improving cutting accuracy and stability, and reducing equipment complexity and maintenance costs.
Patent Information
- Application Number
- CN202520311908.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing label cutting devices have fixed cutting blade positions, which cannot be flexibly adjusted according to label thickness, resulting in cumbersome operation, increased equipment complexity and maintenance costs. At the same time, the lack of limit function causes labels to shift or wrinkle, affecting cutting accuracy and quality.
A label cutting device including an adjustment mechanism and a limiting mechanism was designed. The adjustment mechanism drives the lead screw and threaded slide to adjust the height of the cutting component through a drive motor. The eccentric wheel assembly pushes the cutting blade to cut. The limiting mechanism adjusts the position of the guide roller through the guide roller and spring to achieve adaptive cutting and limiting of labels of different thicknesses.
It enables flexible cutting of labels of different thicknesses, improves cutting stability and accuracy, reduces costs, ensures cutting consistency and continuity, and enhances label adhesion.
Smart Images
Figure CN223804608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to carton label cutting technical field especially relates to a label cutting device for carton packaging. BACKGROUND
[0002] In the carton packaging industry, accurate cutting of labels is a key link to ensure clear and complete product identification and beautiful packaging. With the rapid development of the logistics industry and the increasing demand for product packaging refinement in the market, the demand for carton packaging is increasing, which makes the efficiency and quality of label cutting a focus of enterprises.
[0003] The position of the cutting knife of the existing label cutting device is usually fixed and cannot be flexibly adjusted according to the thickness of the label, which means that when different thickness labels need to be cut, different specifications of cutting knives must be replaced or the entire cutting mechanism must be adjusted, which not only is cumbersome to operate, but also increases the complexity and maintenance cost of the equipment. The existing label cutting device generally lacks effective limiting function for labels. Due to differences in label material, size, and conveying speed, etc. during the cutting process, the label is prone to deviation or wrinkling, resulting in a decrease in cutting accuracy, and even damage to the label, affecting the subsequent pasting effect and product quality. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a label cutting device for carton packaging, which solves the technical problem of fixed cutting knife position in the prior art and cannot be flexibly adjusted according to the thickness of the label, and achieves the purpose of cutting labels of different thickness.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a label cutting device for carton packaging, comprising a conveying belt installed on a conveying table, the conveying table is provided with an adjusting mechanism for adaptively adjusting and cutting labels of different thickness, and the conveying table is provided with a limiting mechanism for limiting and guiding labels of different thickness.
[0006] The adjusting mechanism comprises mounting plates installed on the front and rear sides of the conveying table, a guide groove is formed in the rear mounting plate, and a lead screw is rotatably connected in the guide groove, a threaded sliding table is threadedly connected to the lead screw, a mounting beam is mounted at the front end of the threaded sliding table, a drive motor is mounted on the rear mounting plate to drive the lead screw to rotate, and a cutting assembly is mounted on the mounting beam to cut the label.
[0007] Further improvement lies in that the cutting assembly comprises a cutting motor and a bearing seat mounted on the mounting beam, and the output end of the cutting motor is connected with a rotating shaft rotatably connected in the bearing seat, the left end of the rotating shaft is mounted with an eccentric wheel assembly, and the bottom of the eccentric wheel assembly is mounted with a tool rest, the front and rear sides of the tool rest are both mounted with T-shaped sliding blocks slidingly connected in T-shaped sliding grooves formed in the mounting plate, and the bottom of the tool rest is mounted with a cutting blade for cutting the labels.
[0008] Further improvement lies in that the eccentric wheel assembly comprises a rotating disc mounted on the left end of the rotating shaft, and a slide rod is mounted on the rotating disc, the top of the tool rest is mounted with a T-shaped frame, and the slide rod is slidingly connected in a sliding groove formed in the T-shaped frame.
[0009] Further improvement lies in that a guide column is mounted in the guide groove formed in the front end of the mounting plate, and a sliding table connected with the front end of the mounting beam is slidingly connected on the guide column.
[0010] Further improvement lies in that the limiting mechanism comprises side plates symmetrically mounted on the front and rear sides of the conveying table, a plurality of rotating shafts are arrayed mounted on the side plates, and guide rollers are rotatably connected on the rotating shafts, and the side plates are provided with a fitting assembly for driving the side plates to move up and down to limit and guide the labels.
[0011] Further improvement lies in that the fitting assembly comprises stand columns symmetrically mounted on the front and rear sides of the conveying table, and guide rods are mounted in the inner cavities of the stand columns, sliding sleeves are slidingly connected on the guide rods, springs are sleeved on the guide rods and connected with the top wall of the inner cavity of the stand column and the sliding sleeve at the upper and lower ends, respectively, connecting blocks slidingly connected in sliding grooves formed in the side surfaces of the stand columns are mounted on the sliding sleeves, and the other ends of the connecting blocks are connected with the side plates.
[0012] By the above technical scheme, the label cutting device for carton packaging has at least the following beneficial effects:
[0013] 1. The driving motor drives the screw rod to rotate, and then drives the threaded sliding table on the screw rod to move up and down along the guide groove, so as to drive the mounting beam and the cutting assembly on the mounting beam to move up and down, thereby adjusting the height of the cutting assembly to cut the label stacks of different thicknesses.
[0014] 2. The eccentric wheel assembly pushes the cutting blade at the bottom of the tool rest to move down to cut the label stacks neatly, ensuring the consistency and continuity of cutting, improving the stability and quality of cutting compared with the existing partial cylinder pushing mode, and saving the cost.
[0015] 3. The utility model discloses a guide limiting position of the label stack of different thicknesses is realized through the compression or extension spring to drive the sliding sleeve to slide up and down along the outer wall of the guide rod, thereby drive the guide roller on the side plate to move up and down and fit the label stack of different thicknesses, thereby realizing the targeted self -adaptation adjustment of the guide limiting position of the label stack of different thicknesses. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application.
[0017] In the drawings:
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the independent side view sectional structure schematic diagram of the adjusting mechanism of the utility model;
[0020] Figure 3 It is the independent side view structure schematic diagram of the cutting assembly of the utility model;
[0021] Figure 4 It is the splitting structure schematic diagram of the cutting assembly of the utility model;
[0022] Figure 5 It is the independent sectional view structure schematic diagram of the limiting mechanism of the utility model.
[0023] In the drawings: 1, conveying table; 2, conveying belt;
[0024] 3, adjusting mechanism; 31, mounting plate; 32, screw rod; 33, threaded slide; 34, mounting crossbeam; 35, drive motor;
[0025] 36, cutting assembly; 361, cutting motor; 362, bearing seat; 363, rotating shaft; 364, eccentric wheel assembly; 365, tool holder; 366, T-shaped sliding block; 367, cutting blade;
[0026] 3641, turntable; 3642, slide rod; 3643, T-shaped frame;
[0027] 37, guide column; 38, slide;
[0028] 4, limiting mechanism; 41, side plate; 42, rotating shaft; 43, guide roller;
[0029] 44, fit assembly; 441, stand; 442, guide rod; 443, sliding sleeve; 444, spring; 445, connecting block. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0031] Embodiment 1
[0032] In view of the problem that the existing cutting knife position is fixed and cannot be flexibly adjusted according to the thickness of the label, the embodiment provides a label cutting device for carton packaging, please refer to Figures 1-5 The embodiment provides a label cutting device for carton packaging, which can cut labels of different thicknesses. The label cutting device for carton packaging comprises a conveying belt 2 installed on a conveying table 1, the conveying table 1 is provided with an adjusting mechanism 3 for adaptively adjusting and cutting labels of different thicknesses, and the conveying table 1 is provided with a limiting mechanism 4 for limiting and guiding labels of different thicknesses. The limiting mechanism 4 is used for limiting and pulling the label stack of different thicknesses to avoid label creases and deviation, which affects the cutting accuracy. The adjusting mechanism 3 is used for adjusting and cutting the label stack of different thicknesses, so that the application range of the device is improved.
[0033] Since the existing cutting knife position is fixed and cannot be flexibly adjusted according to the thickness of the label, the device is provided with the adjusting mechanism 3, the adjusting mechanism 3 comprises mounting plates 31 installed on the front and rear sides of the conveying table 1, a guide groove is formed in the rear mounting plate 31, a lead screw 32 is rotatably connected in the guide groove, a threaded sliding table 33 is threadedly connected to the lead screw 32, a mounting beam 34 is mounted at the front end of the threaded sliding table 33, a driving motor 35 is mounted on the rear mounting plate 31 and drives the lead screw 32 to rotate, a cutting assembly 36 is mounted on the mounting beam 34 and cuts the label. When facing the label stack of different thicknesses, the driving motor 35 is started to drive the lead screw 32 to rotate, and then drive the threaded sliding table 33 on the lead screw 32 to move up and down along the guide groove, so as to drive the mounting beam 34 and the cutting assembly 36 on the mounting beam 34 to move up and down, so as to adjust the height of the cutting assembly 36 to cut the label stack of different thicknesses.
[0034] Since the traditional cutting device is often used by the cylinder straight up straight down push cutting knife to cut the label stack, but the cylinder push cutting knife way cost is higher, it may also be caused by pressure fluctuations cutting knife operation instability, therefore the device is provided with cutting assembly 36, cutting assembly 36 includes installed on the mounting beam 34 cutting motor 361 and bearing seat 362, and the output end of cutting motor 361 is connected with the rotating shaft 363 rotatingly connected in bearing seat 362, the rotating shaft 363 left end is installed with eccentric wheel assembly 364, and the eccentric wheel assembly 364 bottom is installed with the knife rest 365, and the T-shaped slide block 366 slidingly connected in the T-shaped slide groove opened in the mounting plate 31 is installed on the front and rear sides of the knife rest 365, and the bottom of the knife rest 365 is installed with the cutting blade 367 for cutting the label.
[0035] The eccentric wheel assembly 364 includes a rotating disc 3641 installed on the left end of the rotating shaft 363, and a slide rod 3642 is installed on the rotating disc 3641, and a T-shaped frame 3643 is installed on the top of the knife rest 365, and the slide rod 3642 is slidingly connected in the slide groove opened in the T-shaped frame 3643. Starting the cutting motor 361 drives the rotating shaft 363 to rotate in the bearing seat 362, thereby driving the rotating disc 3641 in the eccentric wheel assembly 364 to rotate, thereby driving the slide rod 3642 on the rotating disc 3641 to slide along the slide groove opened in the T-shaped frame 3643 while rotating, thereby pushing the knife rest 365 at the bottom of the T-shaped frame 3643 and the T-shaped slide blocks 366 on both sides of the knife rest 365 to move downward along the T-shaped slide groove, thereby pushing the cutting blade 367 at the bottom of the knife rest 365 to move downward to cut the label stack neatly, and ensuring the consistency and continuity of cutting, improving the quality of cutting.
[0036] In order to make the mounting beam 34 move up and down more smoothly, the device is installed in the guide groove opened in the front end of the mounting plate 31, and the guide column 37 is slidingly connected with the sliding table 38 connected with the front end of the mounting beam 34, when the mounting beam 34 is driven to move up and down, the sliding table 38 connected with the front end of the mounting beam 34 moves up and down along the guide column 37 synchronously, thereby improving the stability of the mounting beam 34 moving.
[0037] Example 2
[0038] On the basis of example 1, such as Figures 1-5As shown, since the existing label cutting device lacks effective limiting function of the label, the label is easy to deviate or wrinkle, resulting in the decline of cutting accuracy, therefore the device is provided with a limiting mechanism 4, the limiting mechanism 4 includes side plates 41 symmetrically installed on the front and rear sides of the conveying table 1, and a plurality of rotating shafts 42 are arrayed on the side plates 41, and guide rollers 43 are rotatably connected on the rotating shafts 42, and the side plates 41 are provided with a fitting assembly 44 for driving the upper and lower movement to fit the label for limiting and guiding, when the label stack is conveyed by the conveying belt 2, the top thereof is fitted with the guide rollers 43, and the friction of the label stack movement drives the guide rollers 43 to roll on the rotating shafts 42, thereby limiting and guiding the label stack through the guide rollers 43.
[0039] Since the height of the label stack is not the same during cutting, the device is provided with the fitting assembly 44, the fitting assembly 44 includes upright columns 441 symmetrically installed on the front and rear sides of the conveying table 1, and guide rods 442 are installed in the inner cavities of the upright columns 441, sliding sleeves 443 are slidably connected on the guide rods 442, springs 444 are sleeved on the guide rods 442, and the upper and lower ends of the springs 444 are connected with the inner cavity top wall of the upright column 441 and the sliding sleeve 443 respectively, the sliding sleeves 443 are installed with connecting blocks 445 slidably connected in the sliding grooves opened on the side surface of the upright column 441, and the other end of the connecting blocks 445 is connected with the side plates 41, when facing the lower label stack, the spring 444 pushes the sliding sleeve 443 to slide downward along the outer wall of the guide rod 442 under the action of its elasticity, thereby driving the side plate 41 to move downward through the connecting block 445, so that the guide roller 43 fits the label, and when facing the thicker label stack, the guide roller 43 moves upward to drive the sliding sleeve 443 to move upward and compress the spring 444, thereby realizing the targeted self-adaptive adjustment of the guiding and limiting for the label stack of different thicknesses.
[0040] It should be noted that in this document, the terms "comprising", "containing", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or device.
[0041] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A cutting device for labels for carton packaging, comprising a conveyor belt (2) mounted on a conveyor table (1), characterized in that: The conveying table (1) is provided with an adjusting mechanism (3) for adaptive cutting of labels of different thicknesses, and the conveying table (1) is provided with a limiting mechanism (4) for limiting and guiding labels of different thicknesses. The adjusting mechanism (3) comprises mounting plates (31) mounted on the front and rear sides of the conveying table (1), a guide groove is formed in the rear mounting plate (31), and a lead screw (32) is rotatably connected in the guide groove; a threaded sliding table (33) is threadedly connected to the lead screw (32); a mounting beam (34) is mounted at the front end of the threaded sliding table (33); a drive motor (35) is mounted on the rear mounting plate (31) and drives the rotation of the lead screw (32); and a cutting assembly (36) for cutting labels is mounted on the mounting beam (34).
2. A carton packaging label cutting apparatus according to claim 1, wherein: The cutting assembly (36) comprises a cutting motor (361) and a bearing seat (362) mounted on the mounting beam (34); the output end of the cutting motor (361) is connected with a rotating shaft (363) rotatably connected in the bearing seat (362); an eccentric wheel assembly (364) is mounted at the left end of the rotating shaft (363); a tool holder (365) is mounted at the bottom of the eccentric wheel assembly (364); T-shaped sliding blocks (366) are mounted on the front and rear sides of the tool holder (365) and slidably connected in T-shaped sliding grooves formed in the mounting plates (31); and a cutting blade (367) for cutting labels is mounted at the bottom of the tool holder (365).
3. A carton packaging label cutting apparatus according to claim 2, wherein: The eccentric wheel assembly (364) comprises a rotating disc (3641) mounted at the left end of the rotating shaft (363); a slide rod (3642) is mounted on the rotating disc (3641); a T-shaped bracket (3643) is mounted at the top of the tool holder (365); and the slide rod (3642) is slidably connected in a sliding groove formed in the T-shaped bracket (3643).
4. A carton packaging label cutting apparatus as claimed in claim 1, wherein: A guide column (37) is mounted in a guide groove formed in the front mounting plate (31); and a sliding table (38) connected to the front end of the mounting beam (34) is slidably connected to the guide column (37).
5. A carton packaging label cutting apparatus as claimed in claim 1, wherein: The limiting mechanism (4) comprises side plates (41) symmetrically mounted on the front and rear sides of the conveying table (1); a plurality of rotating shafts (42) are arrayed mounted on the side plates (41); guide rollers (43) are rotatably connected to the rotating shafts (42); and a fitting assembly (44) for limiting and guiding labels by moving up and down to fit the labels is mounted on the side plates (41).
6. A carton packaging label cutting apparatus as claimed in claim 5, wherein: The fitting assembly (44) comprises stand columns (441) symmetrically mounted on the front and rear sides of the conveying table (1); guide rods (442) are mounted in the inner cavities of the stand columns (441); sliding sleeves (443) are slidably connected to the guide rods (442); springs (444) are sleeved on the guide rods (442) and connected to the top walls of the inner cavities of the stand columns (441) and the sliding sleeves (443) at the upper and lower ends, respectively; connecting blocks (445) are slidably connected to sliding grooves formed in the side surfaces of the stand columns (441) and mounted on the sliding sleeves (443); and the other ends of the connecting blocks (445) are connected to the side plates (41).