Cutting mechanism of heat preservation type packaging carton
By setting a limiting plate in front of the cutting blade and using a centering plate, rotating roller and flattening roller, the problem of uneven cutting caused by the movement of the carton during the cutting process is solved, and a flat and even cutting effect is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
When cutting insulated packaging cartons, the contact between the cutting blade and the carton causes the carton to move, resulting in uneven cuts and affecting the cutting effect.
The design employs a limiting plate and a cutting blade to first contact the carton for positioning, combined with a centering plate, rotating rollers, and flattening rollers to ensure the carton is centered and cut evenly.
This ensures that the cut edges are flush and smooth, preventing the carton from shifting during the cutting process and guaranteeing cutting quality.
Smart Images

Figure CN224044692U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing carton cutting technical field especially, relates to a cutting mechanism of thermal -insulation type packing carton. BACKGROUND
[0002] Packing carton is the most widely used packaging product, in the production process of packing carton, a large amount of paperboard needs to be cut and processed.
[0003] When cutting the thermal -insulation type packing carton, generally cut and process through cutting knife, but generally place the thermal -insulation type packing carton below the cutting knife, and the thermal -insulation type packing carton is contacted when the cutting knife is cut down and moves, and the cutting place is contacted when the cutting place moves, which can cause the cutting effect to be affected, to solve the above problem, the cutting mechanism of thermal -insulation type packing carton is provided in the application. UTILITY MODEL CONTENTS
[0004] The utility model discloses a cutting mechanism of thermal -insulation type packing carton, which can contact the cutting knife and the thermal -insulation type packing carton first through the setting limiting plate, realize the limiting of the cutting place, and guarantee the cutting flatness, the thermal -insulation type packing carton can be centrally arranged through the setting center plate, and the thermal -insulation type packing carton can be flattened through the setting rotating roller and flattening roller.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A cutting mechanism of thermal -insulation type packing carton, including cutting table, the top of cutting table is opened with sliding slot, the inner wall of sliding slot is fixedly connected with sliding rod, the cutting table is equipped with the two -way screw rod that is rotatably connected with the penetration, the outer wall of two -way screw rod is equipped with two center plates that are threadedly connected with it, the sliding rod is penetrated two center plates and is slidably connected with it, and the thermal -insulation type packing carton body is equipped between two center plates, the top of cutting table is fixedly connected with U type board, the U type board is equipped with flattening mechanism, the top of cutting table is fixedly connected with cutting frame, the top of cutting frame is penetrated with the hydraulic rod that is fixedly connected with it, the bottom of hydraulic rod is fixedly connected with lifting plate, the bottom of lifting plate is fixedly connected with cutting knife, the lifting plate is equipped with two limiting mechanisms, the limiting mechanism includes the second T type rod that is slidably connected with the penetration of lifting plate, the bottom of second T type rod is fixedly connected with limiting plate, the outer wall of second T type rod is equipped with spring, and the both ends of spring are fixedly connected with lifting plate and limiting plate respectively.
[0007] Preferably, the flattening mechanism comprises a rotating roller rotationally connected with the U-shaped plate, an upper portion of the rotating roller is provided with a flattening roller, the flattening roller is rotationally connected with a C-shaped plate, a top portion of the C-shaped plate is rotationally connected with a threaded rod, the threaded rod penetrates through the U-shaped plate and is threadedly connected with the U-shaped plate, the top portion of the C-shaped plate is fixedly connected with two first T-shaped rods, and the two first T-shaped rods penetrate through the U-shaped plate and are slidingly connected with the U-shaped plate.
[0008] Preferably, the bidirectional screw rod is provided with two external threads with opposite directions, the two centering plates are respectively sleeved on the two external threads with opposite directions, and the front end of the bidirectional screw rod is fixedly connected with a first handle.
[0009] Preferably, the U-shaped plate is provided with a through hole penetrating through the U-shaped plate, an outer wall of the threaded rod is provided with an external thread, an inner wall of the through hole is provided with an internal thread matched with the external thread, and a second handle is fixedly connected to the top portion of the threaded rod.
[0010] Preferably, the top portion of the rotating roller is arranged on the same horizontal plane as the inner bottom portion of the cutting frame.
[0011] Preferably, the cutting knife and the lifting plate are mounted and fixed through a plurality of bolts.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The staff holds the first handle and rotates to drive the bidirectional screw rod to rotate, the two centering plates are relatively moved, and the two centering plates abut against the front and rear ends of the heat preservation type packaging carton body until the heat preservation type packaging carton body is centrally conveyed and then cut.
[0014] 2. The lifting plate and the cutting knife are driven by the hydraulic rod to move downwards, the limiting plate is first in contact with the heat preservation type packaging carton body to limit the cutting position of the heat preservation type packaging carton body, then the cutting knife moves downwards to cut the limited heat preservation type packaging carton body, and the cutting position is ensured to be flat and even.
[0015] 3. The staff holds the second handle to drive the threaded rod to rotate, the C-shaped plate and the flattening roller move up and down, the rotating roller and the flattening roller always abut against the upper and lower surfaces of the heat preservation type packaging carton body, the heat preservation type packaging carton body of different widths is conveyed and cut, and the heat preservation type packaging carton body can be flattened to prevent wrinkles.
[0016] In summary, the limiting plate can be in contact with the heat preservation type packaging carton before the cutting knife, the heat preservation type packaging carton is centrally arranged through the centering plate, and the heat preservation type packaging carton is flattened through the rotating roller and the flattening roller. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 A first structure schematic view of a cutting mechanism of a heat preservation type packaging carton is provided in the utility model.
[0018] Fig. 2 A second structure schematic view of a cutting mechanism of a heat preservation type packaging carton is provided in the utility model.
[0019] In the drawing: 1 is a cutting table, 2 is a sliding groove, 3 is a sliding rod, 4 is a bidirectional screw rod, 5 is a centering plate, 6 is a heat preservation type packaging carton body, 7 is a U-shaped plate, 8 is a rotating roller, 9 is a C-shaped plate, 10 is a flattening roller, 11 is a threaded rod, 12 is a first T-shaped rod, 13 is a cutting frame, 14 is a hydraulic rod, 15 is a lifting plate, 16 is a second T-shaped rod, 17 is a spring, 18 is a limiting plate, and 19 is a cutting knife. DETAILED DESCRIPTION
[0020] 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.
[0021] Referring to Figs. 1-2 A cutting mechanism of a heat preservation type packaging carton, comprising a cutting table 1, a sliding groove 2 is formed in the top of the cutting table 1, a sliding rod 3 is fixedly connected to the inner wall of the sliding groove 2, a bidirectional screw rod 4 is arranged through the cutting table 1 and rotationally connected to the cutting table 1, two centering plates 5 are sleeved on the outer wall of the bidirectional screw rod 4 and threadedly connected to the bidirectional screw rod 4, the bidirectional screw rod 4 is provided with two sections of external threads with opposite screw directions, the two centering plates 5 are respectively sleeved on the two sections of external threads with opposite screw directions, a first handle is fixedly connected to the front end of the bidirectional screw rod 4, the sliding rod 3 penetrates through the two centering plates 5 and is slidably connected to the two centering plates 5, a heat preservation type packaging carton body 6 is arranged between the two centering plates 5, the interval between the two centering plates 5 can be adjusted by rotating the first handle, the centering plate 5 is abutted against the heat preservation type packaging carton body 6 to realize the centering arrangement of the heat preservation type packaging carton body 6.
[0022] The top of the cutting table 1 is fixedly connected with a U-shaped plate 7, the U-shaped plate 7 is provided with a flattening mechanism, the flattening mechanism comprises a rotating roller 8 rotatably connected with the U-shaped plate 7, the side wall of the U-shaped plate 7 is fixedly connected with a motor, the output shaft of the motor penetrates through the U-shaped plate 7 and is rotatably connected therewith, the output shaft of the motor is coaxially fixedly connected with the rotating roller 8, the upper portion of the rotating roller 8 is provided with a flattening roller 10, the flattening roller 10 is rotatably connected with a C-shaped plate 9, the top of the C-shaped plate 9 is rotatably connected with a threaded rod 11, the threaded rod 11 penetrates through the U-shaped plate 7 and is threadedly connected therewith, a through hole is provided through the U-shaped plate 7, the outer wall of the threaded rod 11 is provided with external threads, the inner wall of the through hole is provided with internal threads matched with the external threads, the top of the threaded rod 11 is fixedly connected with a second handle, the top of the C-shaped plate 9 is fixedly connected with two first T-shaped rods 12, the two first T-shaped rods 12 both penetrate through the U-shaped plate 7 and are slidably connected therewith, the distance between the rotating roller 8 and the flattening roller 10 can be adjusted by rotating the second handle, so as to adapt to the packaging cartons with different widths.
[0023] The top of the cutting table 1 is fixedly connected with a cutting frame 13, the top of the rotating roller 8 is arranged on the same horizontal plane as the inner bottom of the cutting frame 13, the top of the cutting frame 13 penetrates through and is fixedly connected with a hydraulic rod 14, the bottom of the hydraulic rod 14 is fixedly connected with a lifting plate 15, the bottom of the lifting plate 15 is fixedly connected with a cutting knife 19, the cutting knife 19 and the lifting plate 15 are fixedly installed through a plurality of bolts, the lifting plate 15 is provided with two limiting mechanisms, the limiting mechanisms are symmetrically arranged on both sides of the cutting knife 19, the limiting mechanism comprises a second T-shaped rod 16 penetrating through and slidably connected with the lifting plate 15, the bottom of the second T-shaped rod 16 is fixedly connected with a limiting plate 18, the outer wall of the second T-shaped rod 16 is sleeved with a spring 17, the two ends of the spring 17 are fixedly connected with the lifting plate 15 and the limiting plate 18 respectively, the cutting is guaranteed to be flat by pressing the cutting part.
[0024] In this invention, the worker places the insulated packaging carton body 6 between two centering plates 5. The worker holds the first handle and rotates it, causing the bidirectional lead screw 4 to rotate, thus moving the centering plates 5 relative to each other until the two centering plates 5 abut against the front and rear ends of the insulated packaging carton body 6, ensuring the centered conveying of the insulated packaging carton body 6. After subsequent cutting, the motor is started, which drives the rotating roller 8 to rotate. Through the cooperation of the rotating roller 8 and the flattening roller 10, the insulated packaging carton body 6 can be conveyed. The right end of the insulated packaging carton body 6 is always located on the cutting frame 13. By periodically starting and stopping the motor at the same speed, equal-length conveying is achieved, allowing the insulated packaging carton body 6 to be cut to the same length. During cutting, the motor is turned off, and the hydraulic rod 1 is activated. 4. The hydraulic rod 14 drives the lifting plate 15 and the cutting blade 19 to move down. First, the limiting plate 18 contacts the insulated packaging carton body 6 (at this time, the second T-shaped rod 16 slides on the lifting plate 15 and the spring 17 is compressed), limiting the cutting point of the insulated packaging carton body 6. Then, the cutting blade 19 moves down to cut the limited insulated packaging carton body 6, ensuring that the cutting point is flat and neat. This device can transport insulated packaging carton bodies 6 of different widths. The operator holds the second handle and drives the threaded rod 11 to rotate, causing the C-shaped plate 9 and the flattening roller 10 to move up and down, so that the rotating roller 8 and the flattening roller 10 always abut against the upper and lower surfaces of the insulated packaging carton body 6, realizing the transport and cutting of insulated packaging carton bodies 6 of different widths, and can flatten the insulated packaging carton body 6 to prevent wrinkles.
[0025] This invention, by setting a limiting plate, allows the insulated packaging carton to contact the cutting blade before the cutting blade, thereby limiting the cutting point. This solves the problem in the prior art where the insulated packaging carton moves under force when the cutting blade contacts it during the downward cutting process, resulting in uneven cuts.
Claims
1. A cutting mechanism of a heat-insulating type packaging carton, comprising a cutting table (1), characterized in that, The top of the cutting table (1) is provided with a sliding groove (2), the inner wall of the sliding groove (2) is fixedly connected with a sliding rod (3), a two-way screw rod (4) is provided through the cutting table (1) and is rotatably connected with the cutting table (1), the outer wall of the two-way screw rod (4) is sleeved with two center plates (5) which are threadedly connected with the two-way screw rod (4), the sliding rod (3) penetrates through the two center plates (5) and is slidably connected with the two center plates (5), a heat preservation type packaging carton body (6) is arranged between the two center plates (5), the top of the cutting table (1) is fixedly connected with a U-shaped plate (7), the U-shaped plate (7) is provided with a flattening mechanism, the top of the cutting table (1) is fixedly connected with a cutting frame (13), the top of the cutting frame (13) is provided through a hydraulic rod (14) which is fixedly connected with the cutting frame (13), the bottom of the hydraulic rod (14) is fixedly connected with a lifting plate (15), the bottom of the lifting plate (15) is fixedly connected with a cutting knife (19), the lifting plate (15) is provided with two limiting mechanisms; The limiting mechanism comprises a second T-shaped rod (16) penetrating through the lifting plate (15) and being slidably connected with the lifting plate (15), the bottom of the second T-shaped rod (16) is fixedly connected with a limiting plate (18), the outer wall of the second T-shaped rod (16) is sleeved with a spring (17), and the two ends of the spring (17) are fixedly connected with the lifting plate (15) and the limiting plate (18) respectively.
2. The cutting mechanism of a heat-insulating packaging carton according to claim 1, wherein The flattening mechanism comprises a rotating roller (8) rotatably connected with the U-shaped plate (7), a flattening roller (10) arranged above the rotating roller (8), a C-shaped plate (9) rotatably connected with the flattening roller (10), a threaded rod (11) rotatably connected with the top of the C-shaped plate (9), the threaded rod (11) penetrating through the U-shaped plate (7) and being threadedly connected with the U-shaped plate (7), and two first T-shaped rods (12) fixedly connected with the top of the C-shaped plate (9), the two first T-shaped rods (12) penetrating through the U-shaped plate (7) and being slidably connected with the U-shaped plate (7).
3. The cutting mechanism of a temperature-maintaining type packaging carton according to claim 1, wherein The two-way screw rod (4) is provided with two external threads with opposite directions, and the two center plates (5) are sleeved on the two external threads with opposite directions.
4. The cutting mechanism of a temperature-maintaining type packaging carton according to claim 2, wherein The U-shaped plate (7) is provided with a through hole, the outer wall of the threaded rod (11) is provided with an external thread, the inner wall of the through hole is provided with an internal thread matched with the external thread, and the top of the threaded rod (11) is fixedly connected with a second handle.
5. The cutting mechanism of a temperature-maintaining type packaging carton according to claim 2, wherein The top of the rotating roller (8) and the inner bottom of the cutting frame (13) are arranged on the same horizontal plane.
6. The cutting mechanism of a temperature-maintained packaging carton according to claim 2, wherein The cutting knife (19) and the lifting plate (15) are mounted and fixed through a plurality of bolts.