A cutting device for corrugated cartons
By using a servo motor-driven pushing and clamping mechanism, combined with a lifting plate and guide rod, the corrugated carton cutting device achieves precise positioning and efficient cutting, solving the problem of inaccurate cutting length control in existing technologies and improving cutting accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU DIDELA PACKAGING MATERIALS CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-05
AI Technical Summary
Existing corrugated cardboard box cutting devices struggle to achieve intermittent, equidistant movement of the conveyor plate, resulting in inaccurate positioning of the relative position between the cutting blade and the cardboard box, and making it difficult to accurately control the cutting length.
The push and clamping mechanisms are driven by servo motors, combined with lifting plates and guide rods, to ensure precise movement of the conveyor plate and stable clamping of the carton. The servo motor controls the intermittent movement of the conveyor plate, and the lifting plates and guide rods are used to achieve precise cutting of the blade.
It achieves precise movement of the conveyor plate, stable clamping of the carton, and accurate cutting of the blade, improving cutting accuracy and efficiency, and solving the problem of inaccurate cutting length control in traditional devices.
Smart Images

Figure CN224323648U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carton cutting, and particularly relates to a corrugated carton cutting device. Background Technique
[0002] A corrugated carton is a paper packaging container formed by processing corrugated cardboard, which has the characteristics of light weight, high strength, good cushioning performance, easy processing and recycling, and is widely used in the fields of commodity transportation, storage and packaging. Its core structure is composed of multiple layers of paper bonded together through a corrugated waveform interlayer (corrugated core paper), and this structure endows the carton with good compressive and impact resistance capabilities, effectively protecting the internal items.
[0003] When the existing corrugated carton cutting device performs segmented cutting on a carton, it usually controls the cutting length by manually pushing the conveying plate or a simple mechanical transmission method. The conveying mechanism of such devices mostly relies on belt transmission or manual adjustment, and it is difficult to achieve the intermittent equidistant movement of the conveying plate, resulting in the inability to accurately position the relative position between the cutting blade and the carton. Therefore, a corrugated carton cutting device needs to be developed. Content of the Utility Model
[0004] The purpose of this part is to outline some aspects of the implementation mode of the utility model and briefly introduce some preferred implementation modes. Simplifications or omissions may be made in this part, as well as in the abstract and the name of the utility model of this application, to avoid obscuring the purpose of this part, the abstract and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical solutions:
[0006] A corrugated carton cutting device, which includes a conveying plate, a pushing mechanism and a clamping mechanism:
[0007] The conveying plate is arranged on the support base and moves horizontally at equal intervals from left to right along the support base. The top wall of the conveying plate is respectively provided with pushing sockets and cutting blades at equal intervals at the rear and middle parts. The two ends of the support base are fixedly provided with "冂"-shaped fixing frames. An elevating plate is arranged inside the fixing frame on the right side in a lifting manner. A knife body is arranged at the bottom of the elevating plate, and the lifting knife body is aligned and inserted into the cutting blade for cutting the corrugated carton;
[0008] The pushing mechanism is located behind the support base and is used to drive the conveyor plate to move laterally at intervals. The pushing mechanism includes a fixed plate located behind the support base and fixed between two fixed frames. A servo motor is fixedly mounted on the top of the fixed plate via a mounting bracket. The output shaft of the servo motor is fixed to one end of a drive rod, and the other end of the drive rod is rotatably connected to one end of a transmission rod. A transverse frame is fixedly mounted on the top of the fixed plate on the right side of the mounting bracket. An inverted "T"-shaped transverse groove is opened on the front side wall and inner cavity of the transverse frame. A slider is slidably mounted on the inner side of the transverse groove. The front surface of the slider is located on the front side of the transverse frame, and the other end of the transmission rod is rotatably connected to the front surface of the slider. A "triangular" shaped push rod is rotatably mounted on the front side of the slider. A second limiting rod and a first limiting rod are respectively mounted on the left and right sides of the push rod on the front side wall of the slider.
[0009] The clamping mechanism is fixed at equal intervals on the top of the conveyor plate to fix the corrugated cardboard box. The clamping mechanism and the cutting edge are arranged alternately.
[0010] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, a vertical electric telescopic cylinder is fixedly installed at the center of the top wall of the fixed frame on the right side. The telescopic rod of the electric telescopic cylinder slides through the bottom wall of the fixed frame through a linear bearing and is fixed at the center of the top wall of the lifting plate.
[0011] As a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the lifting plate is fixedly provided with vertical guide rods on the front and rear sides of the top, the two guide rods are symmetrically arranged about the telescopic rod of the electric telescopic cylinder, and the rod body of each guide rod slides through the top wall of the fixed frame through a linear bearing.
[0012] As a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the side view cross-section of the support base is U-shaped, and the inner sidewall of the support base is rotatably provided with rollers at equal intervals. Each roller has an anti-slip sleeve on its outer side. The upper surface of the anti-slip sleeve protrudes from the upper edge of the support base, and the upper surface of the anti-slip sleeve contacts the lower surface of the conveyor plate.
[0013] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, two rows of rollers are embedded in the upper and lower surfaces of the slider and rotate in contact with the upper and lower inner walls of the transverse groove, respectively.
[0014] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the clamping mechanism includes a bracket fixed to the top of the conveyor plate in an inverted "L" shape. A vertical slide rod is slidably provided through the top wall of the bracket. A pressure plate with an outer diameter larger than the slide rod is fixedly provided at the lower end of the slide rod. A vertical spring is fixedly provided between the top wall of the pressure plate and the bracket. The distance between the rods of the slide rod extends through the inner side of the spring. A pull ring is provided at the upper end of the slide rod.
[0015] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the pushing inlet and the cutting edge are arranged according to the moving direction of the support base, and the spacing between two adjacent pushing inlets, the spacing between two adjacent cutting edges, and the spacing of the conveyor plate moving at equal intervals are consistent.
[0016] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the second limiting rod and the first limiting rod are used to limit the swing amplitude of the push rod, so that the reciprocating slider controls the push rod to be inserted into the slot of the push insertion port one by one at intervals.
[0017] In a preferred embodiment of the corrugated cardboard box cutting device of this utility model, the height of the blade body at its highest point is higher than the height of the clamping mechanism.
[0018] The beneficial effects of this utility model are: through the cooperation of various mechanisms, the conveyor plate can be moved precisely, the carton can be clamped stably, and the blade can be cut accurately, which solves the problems of difficult cutting length control and inaccurate positioning of traditional devices, and improves cutting accuracy and efficiency. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the structure of the rotating roller and anti-slip sleeve of this utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the propulsion mechanism of this utility model;
[0023] Figure 4 This utility model Figure 3 A schematic diagram of the structure from a side view;
[0024] Figure 5 This is a schematic diagram of the slider side of this utility model from a top view.
[0025] Figure 6 This is a schematic diagram of the clamping mechanism of this utility model.
[0026] In the figure: conveyor plate 100, support base 101, push port 102, cutting edge 103, fixed frame 104, lifting plate 105, blade body 106, electric telescopic cylinder 107, guide rod 108, rotating roller 109, anti-slip sleeve 110, push mechanism 200, fixed plate 201, mounting frame 202, servo motor 203, drive rod 204, transmission rod 205, transverse frame 206, transverse groove 207, slider 208, push rod 209, first limit rod 210, second limit rod 211, roller 212, clamping mechanism 300, bracket 301, slide rod 302, pressure plate 303, spring 304, pull ring 305. Detailed Implementation
[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0028] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0029] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.
[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0031] Please see Figures 1-6 The diagram shown is a structural schematic of an embodiment of the corrugated cardboard box cutting device of this utility model. Please refer to [link / reference]. Figures 1-6 This paper provides a detailed description of a corrugated cardboard box cutting device.
[0032] A corrugated cardboard box cutting device includes a conveyor plate 100, a pushing mechanism 200, and a clamping mechanism 300.
[0033] The conveying plate 100 is arranged on the support base 101 and moves horizontally at equal intervals from left to right along the support base 101. The rear and middle parts of the top wall of the conveying plate 100 are respectively provided with pushing sockets 102 and cutting openings 103 at equal intervals. Both ends of the support base 101 are fixedly provided with "冂"-shaped fixing frames 104. An elevating plate 105 is arranged inside the fixing frame 104 on the right side in a lifting manner. A knife body 106 is arranged at the bottom of the elevating plate 105. The lifting knife body 106 is aligned and inserted into the cutting opening 103 for cutting the corrugated cardboard box;
[0034] The pushing mechanism 200 is arranged behind the support base 101 for driving the conveying plate 100 to move horizontally at equal intervals. The pushing mechanism 200 includes a fixing plate 201 fixed between the two fixing frames 104 and located behind the support base 101. A servo motor 203 is fixedly installed at the top of the fixing plate 201 through a mounting frame 202. The output shaft of the servo motor 203 is fixed to one end of a driving rod 204. The other end of the driving rod 204 is rotatably connected to one end of a transmission rod 205. A horizontal crossbar 206 is fixedly arranged on the top of the fixing plate 201 on the right side of the mounting frame 202. An inverted "T"-shaped horizontal groove 207 is formed on the front side wall and the inner cavity of the horizontal crossbar 206. A slider 208 is horizontally slidably arranged inside the horizontal groove 207. The front surface of the slider 208 is located on the front side of the horizontal crossbar 206, and the other end of the transmission rod 205 is rotatably connected to the front surface of the slider 208. A "triangular body"-shaped push rod 209 is rotatably arranged on the front side of the slider 208. Second limiting rods 211 and first limiting rods 210 are respectively arranged on the left and right sides of the front side wall of the slider 208 and located on both sides of the push rod 209;
[0035] The clamping mechanism 300 is fixedly arranged on the top of the conveying plate 100 at equal intervals for fixing the corrugated cardboard box. The clamping mechanism 300 is arranged in a staggered manner with the cutting opening 103.
[0036] Furthermore, a vertical electric telescopic cylinder 107 is fixedly installed at the center of the top wall of the right-side fixed frame 104. The telescopic rod of the electric telescopic cylinder 107 slides through the bottom wall of the fixed frame 104 via a linear bearing and is fixed at the center of the top wall of the lifting plate 105. Vertical guide rods 108 are fixedly installed on the front and rear sides of the top of the lifting plate 105. The two guide rods 108 are symmetrically arranged about the telescopic rod of the electric telescopic cylinder 107, and the rod body of each guide rod 108 slides through the top wall of the fixed frame 104 via a linear bearing. The electric telescopic cylinder 107 can drive the lifting plate 105 and the blade 106 to rise and fall smoothly, which facilitates the control of the timing and depth of the blade 106 inserting into the cutting edge 103. The guide rods 108 can guide and limit the lifting process of the lifting plate 105, reduce the shaking of the lifting plate 105 when it moves, make the blade 106 more stable when cutting, and help improve the accuracy of cutting.
[0037] Furthermore, the side cross-section of the support base 101 is U-shaped, and the inner sidewall of the support base 101 is rotatably provided with rollers 109 at equal intervals. Each roller 109 has an anti-slip sleeve 110 on its outer side. The upper surface of the anti-slip sleeve 110 protrudes from the upper edge of the support base 101, and the upper surface of the anti-slip sleeve 110 contacts the lower surface of the conveyor plate 100. The U-shaped support base 101, together with the rollers 109 and the anti-slip sleeve 110, can reduce the frictional resistance when the conveyor plate 100 moves, making the lateral movement of the conveyor plate 100 smoother. At the same time, the anti-slip sleeve 110 can increase the friction with the conveyor plate 100, which helps to improve the positioning stability of the conveyor plate 100.
[0038] Furthermore, two rows of rollers 212 are rotatably embedded in the upper and lower surfaces of the slider 208. The rollers of the two rows of rollers 212 respectively contact the upper and lower inner sidewalls of the transverse groove 207. The rollers 212 can convert the sliding friction of the slider 208 in the transverse groove 207 into rolling friction, which can reduce the friction loss during the operation of the pushing mechanism 200, make the slider 208 move more flexibly, and help improve the transmission efficiency of the pushing mechanism 200 and the service life of the device.
[0039] Furthermore, the clamping mechanism 300 includes a bracket 301 fixed to the top of the conveyor plate 100 in an inverted "L" shape. A vertical slide rod 302 is slidably installed through the top wall of the bracket 301. A pressure plate 303 with an outer diameter larger than the slide rod 302 is fixedly installed at the lower end of the slide rod 302. A vertical spring 304 is fixedly installed between the top wall of the pressure plate 303 and the bracket 301. The distance between the rods of the slide rod 302 extends through the inner side of the spring 304. A pull ring 305 is provided at the upper end of the slide rod 302. The pull ring 305 can drive the slide rod 302 and the pressure plate 303 to move up and down. The elasticity of the spring 304 can make the pressure plate 303 tightly press the corrugated carton, which can adapt to the fixing of cartons of different thicknesses. It is easy to operate and can provide a stable clamping force, which helps to ensure the stability of the carton during cutting.
[0040] Furthermore, the push-in port 102 and the cutting edge 103 are arranged according to the moving direction of the support base 101, and the spacing between two adjacent push-in ports 102, the spacing between two adjacent cutting edges 103, and the spacing of the conveyor plate 100 moving at equal intervals are consistent. It should be noted that the distance the conveyor plate 100 moves each time matches the position of the push-in port 102 and the cutting edge 103, so that the blade 106 accurately aligns with the cutting edge 103 for cutting each time, which helps to improve the accuracy of the cutting position and the regularity of the cutting process.
[0041] Furthermore, the second limiting rod 211 and the first limiting rod 210 are used to limit the swing amplitude of the push rod 209, so that the reciprocating slider 208 controls the push rod 209 to be inserted into the slot of the push socket 102 one by one at intervals. The limiting rod can ensure that the push rod 209 swings at a set amplitude, so that the conveyor plate 100 can move at intervals and equal distances, avoiding the conveyor plate 100 from moving chaotically due to the push rod 209 swinging too large or too small amplitude, which helps to ensure the orderly progress of the cutting operation.
[0042] Furthermore, when the blade 106 rises to its highest point, its height is higher than that of the clamping mechanism 300, which avoids collision between the blade 106 and the clamping mechanism 300 during the rising and resetting process. This reduces the risk of damage to the device components and helps ensure the safety and reliability of the device operation.
[0043] In actual use, the user lifts the pull ring 305 upwards, causing the pressure plate 303 to rise and the spring 304 to compress, reserving space for placing the carton. The corrugated carton to be cut is placed on top of the conveyor plate 100. The user then releases the pull ring 305, and the spring 304 returns to its original position, pushing the pressure plate 303 downwards to tightly clamp the carton onto the conveyor plate 100.
[0044] The servo motor 203 is then restarted, and its output shaft drives the drive rod 204 to rotate, which in turn pushes the slider 208 to slide left and right within the transverse groove 207 via the transmission rod 205. The push rod 209 on the front side of the slider 208, under the constraint of the first limit rod 210 and the second limit rod 211, swings at a fixed amplitude, sequentially inserting into the push slot 102, thus pushing the conveyor plate 100 to move intermittently from left to right. Since the distance between the push slot 102 and the cutting edge 103 is consistent with the moving distance of the conveyor plate 100, after each movement, the carton is positioned above the cutting edge 103.
[0045] When the conveyor plate 100 stops moving, the electric telescopic cylinder 107 is activated, and the telescopic rod drives the lifting plate 105 to descend. The blade 106 is inserted into the cutting edge 103 to cut the carton. After cutting, the electric telescopic cylinder 107 retracts, and the blade 106 rises to its original position. At this time, the height of the blade 106 is higher than that of the clamping mechanism 300 to avoid interference.
[0046] The servo motor 203 operates continuously, driving the mechanism 200 to repeatedly move the conveyor plate 100, which, in conjunction with the lifting and lowering of the blade body 106, enables continuous cutting of the carton.
[0047] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A corrugated cardboard cutting device, comprising a conveying plate (100), a pushing mechanism (200) and a clamping mechanism (300), characterized in that: The conveying plate (100) is arranged on a support base (101) and moves horizontally at equal intervals from left to right along the support base (101). The rear and middle parts of the top wall of the conveying plate (100) are respectively provided with pushing sockets (102) and cutting openings (103) at equal intervals. Both ends of the support base (101) are fixedly provided with a "冂"-shaped fixing frame (104). An elevating plate (105) is arranged inside the fixing frame (104) on the right side in a lifting manner. A cutter body (106) is arranged at the bottom of the elevating plate (105). The lifting cutter body (106) is aligned and inserted into the cutting opening (103) for cutting the corrugated cardboard box. The pushing mechanism (200) is arranged behind the support base (101) for driving the conveying plate (100) to move horizontally at equal intervals. The pushing mechanism (200) includes a fixing plate (201) fixed between the two fixing frames (104) and located behind the support base (101). A servo motor (203) is fixedly installed on the top of the fixing plate (201) through a mounting frame (202). The output shaft of the servo motor (203) is fixed to one end of a driving rod (204). The other end of the driving rod (204) is rotatably connected to one end of a transmission rod (205). A horizontal cross frame (206) is fixedly arranged on the top of the fixing plate (201) on the right side of the mounting frame (202). An inverted "T"-shaped horizontal groove (207) is formed on the front side wall and the inner cavity of the cross frame (206). A slider (208) is horizontally slidably arranged inside the horizontal groove (207). The front surface of the slider (208) is located on the front side of the cross frame (206), and the other end of the transmission rod (205) is rotatably connected to the front surface of the slider (208). A "triangular body"-shaped push rod (209) is rotatably arranged on the front side of the slider (208). First limiting rods (210) and second limiting rods (211) are respectively arranged on the left and right sides of the front side wall of the slider (208) and on both sides of the push rod (209). The clamping mechanism (300) is fixedly arranged on the top of the conveying plate (100) at equal intervals for fixing the corrugated cardboard box. The clamping mechanism (300) is arranged in a staggered manner with the cutting openings (103).
2. The corrugated cardboard box cutting device according to claim 1, characterized in that: A vertical electric telescopic cylinder (107) is fixedly arranged at the center of the top wall of the fixing frame (104) on the right side. The telescopic rod of the electric telescopic cylinder (107) slidably penetrates through the bottom wall of the fixing frame (104) through a linear bearing and is fixed at the center of the top wall of the elevating plate (105).
3. The corrugated cardboard box cutting device according to claim 2, characterized in that: Vertical guide rods (108) are fixedly arranged on the front and rear sides of the top of the elevating plate (105). The two guide rods (108) are symmetrically arranged in front and rear with respect to the telescopic rod of the electric telescopic cylinder (107), and the rod bodies of each guide rod (108) respectively slidably penetrate through the top wall of the fixing frame (104) through a linear bearing.
4. The corrugated cardboard box cutting device according to claim 1, characterized in that: The side view cross-section of the support base (101) is U-shaped, and the inner sidewall of the support base (101) is rotatably provided with rollers (109) at equal intervals. Each roller (109) has an anti-slip sleeve (110) on its outer side. The upper surface of the anti-slip sleeve (110) protrudes from the upper edge of the support base (101), and the upper surface of the anti-slip sleeve (110) contacts the lower surface of the conveyor plate (100).
5. The corrugated cardboard box cutting device according to claim 1, characterized in that: The upper and lower surfaces of the slider (208) are inlaid with two rows of rollers (212), and the rollers of the two rows of rollers (212) respectively contact the upper and lower inner walls of the transverse groove (207).
6. The corrugated cardboard box cutting device according to claim 1, characterized in that: The clamping mechanism (300) includes a bracket (301) fixed to the top of the conveyor plate (100) in the shape of an inverted "L". A vertical slide rod (302) is slidably provided through the top wall of the bracket (301). A pressure plate (303) with an outer diameter larger than the slide rod (302) is fixedly provided at the lower end of the slide rod (302). A vertical spring (304) is fixedly provided between the top wall of the pressure plate (303) and the bracket (301). The distance between the rods of the slide rod (302) extends through the inner side of the spring (304). A pull ring (305) is provided at the upper end of the slide rod (302).
7. The corrugated cardboard box cutting device according to claim 1, characterized in that: The push-in socket (102) and the cutter (103) are arranged according to the moving direction of the support base (101), and the distance between two adjacent push-in sockets (102), the distance between two adjacent cutters (103), and the distance between the intervals of the conveyor plate (100) moving at equal distances are consistent.
8. The corrugated cardboard box cutting device according to claim 1, characterized in that: The second limiting rod (211) and the first limiting rod (210) are used to limit the swing amplitude of the push rod (209), so that the reciprocating slider (208) controls the push rod (209) to be inserted into the slot of the push socket (102) one by one at intervals.
9. A corrugated cardboard box cutting device according to claim 1, characterized in that: The blade (106) rises to its highest point, and its height is higher than that of the clamping mechanism (300).