Die-cutting rule assembly, die-cutting grooving mechanism comprising die-cutting rule assembly and box making machine

Abstract

The utility model provides a die-cutting knife assembly which comprises a die-cutting knife and a knife disc supporting frame, the die-cutting knife comprises a knife disc and a knife edge, the knife disc is annular, the knife edge is arranged on the side face of the knife disc, and the knife disc supporting frame is provided with a limiting device capable of limiting the knife disc. The utility model further provides a die-cutting grooving mechanism comprising the die-cutting knife assembly and a box making machine comprising the die-cutting grooving mechanism.

Description

Technical Field

[0001] This application belongs to the field of carton forming equipment, and particularly relates to a die-cutting knife assembly, a die-cutting and slotting mechanism including the die-cutting knife assembly, and a carton making machine including the die-cutting and slotting mechanism. Background Technology

[0002] The background description provided herein serves to give a general overview of the background of this application. The work to the extent described by the currently identified inventors in this background section, and aspects of this description that do not constitute prior art at the time of application, are neither expressly nor impliedly acknowledged as prior art in conflict with this application.

[0003] There are two main types of corrugated cardboard processing equipment in the corrugated packaging industry. One type is the carton forming machine, which has a transverse slotting mechanism. This mechanism uses the reciprocating motion of the slotting blades to slot the corrugated cardboard transversely, meaning the length of the slot is perpendicular to the cardboard's forward direction. However, the carton forming machine requires the cardboard to stop moving during slotting, causing pauses during the cardboard's forward movement and affecting processing efficiency. Furthermore, the carton forming machine is limited by its width and cannot process medium-height cartons exceeding the machine's width. The other type is the rotary slotting machine. This equipment uses a die-cutting slotting mechanism to create slots parallel to the cardboard's forward direction, achieving rapid slotting of the corrugated cardboard without stopping during forward movement. It has high slotting efficiency and can process longer, medium-height cartons. However, this type of equipment is limited by the size of the die-cutting blade assembly, preventing the creation of two closely spaced slots, thus limiting its ability to process small-volume cartons and restricting the types of cartons it can process.

[0004] In existing rotary grooving machines, the die-cutting blade assembly lacks an effective support mechanism, which makes the cutter head prone to vibration during grooving, thus affecting the grooving quality.

[0005] Therefore, a new die-cutting blade assembly and a new carton processing equipment are needed to solve at least one of the aforementioned technical problems. Utility Model Content

[0006] This section presents the selection of utility model concepts in a simplified form, which will be further illustrated in the detailed description below. This section is not intended to identify key or essential features of the claimed subject matter, nor is it intended to assist in determining the scope of the claimed subject matter.

[0007] To address the problems existing in the prior art, this application provides a die-cutting blade assembly, which includes a die-cutting blade and a blade support frame. The die-cutting blade includes a blade disc and a cutting edge. The blade disc is annular, and the cutting edge is disposed on the side of the blade disc. The blade support frame is provided with a limiting device that can limit the movement of the blade disc.

[0008] Preferably, the cutter head is provided with a first groove around its circumference, and the limiting device extends into the first groove.

[0009] Preferably, the limiting device contacts the bottom of the first groove.

[0010] Preferably, the limiting device does not contact the bottom of the first groove.

[0011] Preferably, the cutter head support frame is provided with a swing cutter block that extends into the first groove.

[0012] Preferably, the side of the cutter head is provided with a circular boss, and the cutting edge is located on the circular boss.

[0013] Preferably, the cutter head is provided with a raised ridge around its circumference, and the limiting device may or may not contact the raised ridge.

[0014] Preferably, the cutter head support frame is provided with a swing cutter block, the swing cutter block is provided with a second groove, and the protrusion extends into the second groove.

[0015] Preferably, the limiting device is a limiting wheel or a limiting roller.

[0016] Preferably, the surfaces of the limiting wheel and the limiting roller are made of an elastic material.

[0017] Preferably, two cutting edges are provided at intervals on the same side of the cutter head.

[0018] Preferably, the cutting edge is located on both sides of the groove.

[0019] Preferably, the cutter head support frame is provided with a first power mechanism to drive the die-cutting blade assembly to move.

[0020] Preferably, the first power mechanism is a first motor, and the output end of the first motor is provided with a gear.

[0021] Preferably, the cutter head support frame is provided with a slider.

[0022] In another aspect of this application, a die-cutting and grooving mechanism is also provided, characterized in that the die-cutting and grooving mechanism includes a die-cutting blade assembly according to the principles of this application.

[0023] Preferably, the die-cutting and grooving mechanism further includes a drive shaft, a second power mechanism, and a first support beam. The drive shaft passes through the cutter head to drive the cutter head to rotate, the second power mechanism is connected to the drive shaft to drive the drive shaft to rotate, and the first support beam is provided with a slide rail that cooperates with the slider.

[0024] Preferably, there are two sliders and two first support beams.

[0025] Preferably, the die-cutting and grooving mechanism further includes a roller assembly, which includes a support roller and a third power mechanism. The support roller is arranged parallel to the drive shaft, and the third power mechanism is connected to the support roller, thereby driving the support roller to rotate.

[0026] Preferably, the die-cutting and grooving mechanism further includes a roller adjustment mechanism to adjust the position of the carrying roller.

[0027] Preferably, the die-cutting and slotting mechanism further includes a paper feeding assembly for feeding paper to the die-cutting and slotting mechanism.

[0028] In another aspect of this application, a box-making machine is also provided, which includes a die-cutting and grooving mechanism according to the principles of this application.

[0029] Preferably, there are two die-cutting and grooving mechanisms, and these two die-cutting and grooving mechanisms are arranged adjacent to each other.

[0030] Preferably, the box-making machine also includes a transverse grooving mechanism. Attached Figure Description

[0031] Other or additional features, advantages, and details are presented by way of example only in the following detailed description of the embodiments. In the accompanying drawings:

[0032] Appendix Figure 1 A perspective view of a die-cutting blade assembly according to the principles of this application is schematically shown;

[0033] Appendix Figure 2 A schematic front view of a die-cutting blade assembly according to the principles of this application is shown;

[0034] Appendix Figure 3 A side view of a die-cutting blade assembly according to the principles of this application is schematically shown;

[0035] Appendix Figure 4 An embodiment of a die-cutting blade assembly according to the principles of this application is illustrated schematically;

[0036] Appendix Figure 5 Another embodiment of the die-cutting blade assembly according to the principles of this application is illustrated schematically;

[0037] Appendix Figure 6 A schematic front view of a die-cutting and slotting mechanism according to the principles of this application is shown.

[0038] Appendix Figure 7 A perspective view of a die-cutting and grooving mechanism according to the principles of this application is schematically shown;

[0039] Appendix Figure 8 A side view of a die-cutting and slotting mechanism according to the principles of this application is schematically shown;

[0040] Appendix Figure 9 A longitudinal sectional view of a box-making machine according to the principles of this application is schematically shown;

[0041] Appendix Figure 10 An embodiment of a die-cutting and slotting mechanism in a box-making machine according to the principles of this application is illustrated schematically;

[0042] Appendix Figure 11 The paper feed direction is schematically shown in one embodiment of a box-making machine according to the principles of this application. Detailed Implementation

[0043] The following description is exemplary in nature and is not intended to limit this application, application, or use. Furthermore, it is not intended to be limited by any express or implied theory presented in the foregoing description of the technical field, background art, or utility model, or the following detailed description. It should be understood that throughout the drawings, corresponding reference numerals identify similar or corresponding parts or features.

[0044] This application will now be further elaborated. In the following paragraphs, different aspects of this application are defined in more detail. Unless expressly indicated to the contrary, each aspect so defined may be combined with any other aspect(s). In particular, any feature indicated as preferred or advantageous may be combined with any other feature(s) indicated as preferred or advantageous.

[0045] To address the problems existing in the prior art, this application provides a die-cutting blade assembly. (See attached drawing.) Figure 1 Appendix Figure 2 and attached Figure 3This illustration shows a die-cutting blade assembly 100 according to the principles of this application. The die-cutting blade assembly 100 includes a die-cutting blade 110 and a blade head support 120, wherein the die-cutting blade 110 includes a blade head 111 and a cutting edge 112. The blade head 111 is an annular ring with a shaft hole, which can be driven to rotate by a drive shaft passing through the shaft hole. A keyway or key may be provided in the shaft hole of the blade head 111 for keyed connection with a drive shaft. Alternatively, a bushing 113 may be provided in the shaft hole of the blade head 111, and the bushing 113 may be provided with a key or keyway for keyed connection with a drive shaft. The bushing 113 can be connected to the blade head 111 by threaded connection, riveting, or welding. The shaft hole and bushing can be circular, so as to mate with a drive shaft with a circular cross-section; alternatively, the shaft hole and bushing can also be polygonal, such as quadrilateral, pentagonal, or hexagonal, so as to mate with a drive shaft with a polygonal cross-section.

[0046] The blade 112 is located on the side of the cutter head 111. The blade 112 is arc-shaped, and the center of its arc coincides with the center of the cutter head 111. When the cutter head 111 rotates, it drives the arc-shaped blade 112 to rotate, thereby creating a groove on the cardboard with a length less than or equal to the arc length of the blade. Those skilled in the art will readily understand that the blade 112 can be set with different arc lengths according to production needs; it can be a minor arc or a major arc to meet different grooving requirements. The cutter head 111 is provided with a first groove 114 surrounding its own circumference. The blade 112 can be located on either side of the first groove 114. Advantageously, the side of the cutter head 111 can be provided with a circular boss 115, and the cutting edge 112 can be disposed on the circular boss 115. Specifically, the bottom of the cutting edge 112 can be connected to the circular boss 115, so that the circular boss 115 can provide longitudinal support for the cutting edge 112, making the cutting edge 112 more stable. Furthermore, the side of the cutting edge 112 can also be connected to or abut against the cutter head 111, so that the cutter head 111 can provide lateral support for the cutting edge 112, further improving the stability of the cutting edge 112. The cutting edge 112 can be connected to the circular boss 115 and / or the cutter head 111 by means of threaded connection, snap-fit, or welding.

[0047] See attached document Figure 4Alternatively, in some embodiments, two blades 112 are spaced apart on the same side of the cutter head 111. This allows the cutter head 111 to simultaneously create two slots spaced a certain distance apart in one rotation, thereby further improving the slotting efficiency. Those skilled in the art will readily understand that in these embodiments, the slotting requirements for cartons of different sizes can be met by setting the spacing between the two blades 112 and their respective arc lengths. In some embodiments, two identical blades 112 are arranged on the same side of the cutter head 111 at opposite positions on its arc. This not only allows the cutter head to create two slots of the same size in one rotation, but also ensures that the cutter head 111 maintains dynamic balance during rotation, preventing vibration and noise during rotation, and avoiding damage to the equipment due to imbalance.

[0048] The cutter head support frame 120 may be equipped with a limiting device extending into the first groove 114 to limit the cutter head 111, thereby preventing the cutter head 111 from shaking or excessively shaking during operation. In some embodiments, the limiting device may be a limiting wheel 121, which can be directly connected to the cutter head support frame 120 via a rotating shaft, or connected to a mounting base provided on the cutter head support frame 120 via a rotating shaft, thereby enabling it to rotate. When the limiting wheel 121 contacts the first groove 114, the limiting wheel 121 can rotate under the drive of the cutter head 111, thereby reducing the friction between it and the cutter head 111. In some embodiments, the limiting wheel 121 may contact the bottom of the first groove 114, thereby preventing the cutter head 111 from shaking. In some embodiments, the limiting wheel 121 may also not contact the bottom of the first groove 114 but maintain a certain distance, for example, a distance of 1 mm to 2 mm, thereby limiting the shaking of the cutter head 111 to a certain range. The limiting wheel 121 can be positioned above the cutter head 111, or in front of or behind the cutter head 111, or simultaneously above, in front of, and behind the cutter head 111. There can be one limiting wheel 121, or two or more depending on its size. It should be understood that "in front" in this application refers to the direction consistent with the paperboard's forward direction during processing, while "rear" refers to the direction opposite to the paperboard's forward direction.

[0049] Alternatively, in some embodiments, the limiting device can also be a limiting roller, which is connected to the cutter head support frame 120 via a rotating shaft. Those skilled in the art will readily understand that, like the limiting wheel, the limiting roller can both limit movement and reduce friction between itself and the cutter head 111. Furthermore, compared to the limiting wheel, a single limiting roller has a smaller circumferential dimension, and its length is greater than its circumference diameter, allowing for a greater number of rollers to be arranged along the arc of the bottom of the first groove 114. This increases the contact area with the bottom of the first groove 114, resulting in a better limiting effect and reducing the vibration amplitude of the cutter head 111 during operation. It should be understood that other devices capable of limiting the cutter head 111 and generating rolling friction with it can also be applied to the technical solutions of this application.

[0050] In some embodiments, the surfaces of the limiting wheel 121 and the limiting roller can be made of an elastic material, so that they can deform to a certain extent when in contact with the bottom of the first groove 114, thereby playing a buffering role and reducing the impact of the cutter head 111 on the cutter head support frame 120. The elastic material can be rubber, latex, etc.

[0051] See attached document Figure 1 Appendix Figure 2 and attached Figure 3 In some embodiments, the cutter head support frame 120 may also be provided with a swinging cutter block 122. The swinging cutter block 122 extends into the first groove 114 but does not contact the bottom of the first groove 114 to avoid friction with the bottom of the first groove 114. When the cutter head support frame 120 moves horizontally, the swinging cutter block 122 can contact the side wall of the first groove 114, thereby driving the cutter head 111 to move with the cutter head support frame 120. The end of the swinging cutter block 122 that extends into the first groove 114 may be provided with a ramp or an arc-shaped notch that matches the shape of the bottom of the first groove 114, thereby increasing the contact area between the swinging cutter block 122 and the side wall of the first groove 114 while avoiding the first groove 114. In some embodiments, the surface of the end of the swinging cutter block 122 that extends into the first groove 114 may be made of an elastic material to reduce the impact of the swinging cutter block 122 on the cutter head 111. The swinging cutter block 122 may be located in front of, behind, or diagonally above the cutter head 111. The oscillating cutter block 122 can be integrally formed with the cutter head support frame 120, thereby enhancing the mechanical strength of the oscillating cutter block 122. In some embodiments, the oscillating cutter block 122 is symmetrically arranged diagonally above the cutter head 111.

[0052] It should be understood that in some embodiments, the sway block may not be provided, and the cutter head 111 may be moved with the cutter head support frame 120 by a limiting device. In some embodiments, the width of the sway block 122 is greater than the width of the limiting device, so that the limiting device cannot contact the side wall of the first groove 114 when the cutter head support frame 120 moves in the horizontal direction, thereby avoiding the limiting device from being subjected to force in the horizontal direction and protecting the limiting device.

[0053] See attached document Figure 5 Alternatively, in some embodiments, the cutter head 111 may not have the first groove 114, but instead has a protruding ridge 116 surrounding its circumference. A limiting device, such as a limiting wheel 121 or a limiting roller, may contact the protruding ridge 116 or not contact it, but maintain a certain distance, thereby limiting the cutter head 111 and preventing it from vibrating or vibrating excessively. In these embodiments, the oscillating block 122 may have a second groove, into which the protruding ridge 116 can extend. When the cutter head support frame 120 moves horizontally, the sidewall of the second groove may contact the sidewall of the protruding ridge 116, thereby causing the cutter head 111 to move with the cutter head support frame 120. In some embodiments, the sidewall of the second groove may be made of an elastic material to reduce the impact of the oscillating block 122 on the cutter head 111. In some embodiments, the bottom of the second groove can be a slope or an arc that matches the shape of the protrusion 116, thereby increasing the contact area between the swing blade block 122 and the sidewall of the protrusion 116 while avoiding the protrusion 116.

[0054] Alternatively, in some embodiments, the cutter head support frame 120 may have a third groove on the side near the cutter head 111, and a limiting device, such as a limiting wheel 121 or a limiting roller, may be provided at the bottom of the third groove. The protrusion 116 may extend into the third groove and contact or maintain a certain distance from the limiting device. In these embodiments, the swing block 122 may also be omitted, and the cutter head support frame 120 may drive the cutter head 111 to move horizontally through the cooperation of the third groove and the protrusion 116.

[0055] See attached document Figure 1 Appendix Figure 2 and attached Figure 3The die-cutting blade assembly 100 may further include a first power mechanism, which can be mounted on the cutter head support frame 120 to drive the die-cutting blade assembly 100 to move, enabling it to adjust its position according to the size of the carton to be processed. The first power mechanism can be a first motor 130, with a gear 131 at its output end. The gear 131 can mesh with a rack mounted on the carton making machine. When the first motor 130 is running, the movement of the die-cutting blade assembly 100 is achieved through the meshing of the gear and rack. The first motor 130 can be connected to the cutter head support frame 120 via a bracket. Alternatively, the first power mechanism can also be a lead screw and nut, which can mesh with a lead screw mounted on the carton making machine to drive the die-cutting blade assembly 100. Those skilled in the art will readily understand that, compared to a lead screw and nut and a lead screw, the meshing of the gear and rack allows the die-cutting blade assembly to move more rapidly.

[0056] The die-cutting head support frame 120 may be equipped with a slider 123, which can cooperate with the slide rail set on the box making machine to make the die-cutting blade assembly 100 more stable during movement. There may be one slider 123 or multiple sliders.

[0057] The die-cutting blade assembly 100 according to this application can effectively prevent the blade from vibrating during operation and ensure the grooving quality.

[0058] See attached document Figure 6 Appendix Figure 7 and attached Figure 8 This paper illustrates a die-cutting and slotting mechanism 200 according to the principles of this application. The die-cutting and slotting mechanism 200 includes a die-cutting blade assembly 100 according to the principles of this application, thereby achieving the beneficial effects of the die-cutting blade assembly 100. The die-cutting blade assembly 100 can be one, two, or more. In embodiments where two or more die-cutting blade assemblies 100 are used, the distance between the die-cutting blade assemblies 100 can be adjusted to meet the processing requirements of cartons of different sizes. Compared to the prior art, the die-cutting and slotting mechanism 200 of this application can process smaller cartons. For example, the blade 112 can be positioned on the adjacent sides of two adjacent die-cutting blade assemblies 100a and 100b, and the two adjacent die-cutting blade assemblies 100a and 100b can be placed close to each other. Slotting is performed using the adjacent blades 112a and 112b, thereby processing smaller cartons and lowering the lower limit of the size of the cartons that can be processed.

[0059] The die-cutting and slotting mechanism 200 may also include a drive shaft 210, a second power mechanism, and a first support beam 230. The drive shaft 210 passes through the shaft hole or bushing 113 of the cutter head 111, thereby driving the cutter head 111 to rotate, which in turn drives the blade 112 to rotate to achieve slotting of the paperboard.

[0060] The second power mechanism is connected to the drive shaft 210, thereby enabling the drive shaft 210 to rotate. The second power mechanism includes a second motor 220, the output of which can be connected to the drive shaft 210 via a coupling. In some embodiments, the second power mechanism may also include a speed-changing gear mechanism to adjust the drive shaft 210 to a suitable speed.

[0061] See attached document Figure 8 The first support beam 230 is provided with a slide rail 231, which can cooperate with the slider 123 to allow the die-cutting blade assembly 100 to move along the slide rail 231, thereby enhancing its stability during movement. In some embodiments, the number of first support beams 230 can be set to two, and the sliders 123 can be set at both ends of the cutter head support frame 120, so that the cutter head support frame 120 can be connected to the first support beam 230 at both ends through the sliders, thereby enhancing its stability.

[0062] See attached document Figure 8 The first support beam 230 may be equipped with a rack 232 for meshing with the gear 131. Alternatively, when the first power mechanism is a lead screw and nut, the first support beam 230 may be equipped with a lead screw for engaging with the lead screw and nut to drive the die-cutting blade assembly 100 to move.

[0063] See attached document Figure 6 The die-cutting and slotting mechanism 200 also includes a roller assembly 240. The roller assembly 240 includes a support roller 241, which is arranged parallel to the drive shaft 210 and is used to support the cardboard, driving the cardboard forward through its rotation. The surface of the support roller 241 can be made of an elastic material, such as rubber or silicone, to reduce the impact force of the blade 112 on the support roller 241 when it cuts through the cardboard and comes into contact with it. The roller assembly 240 may also include a third power mechanism connected to the support roller 241, thereby driving the support roller to rotate. The third power mechanism may include a third motor 242 and a transmission gear mechanism 243. The third motor 242 is connected to the support roller 241 through the transmission gear mechanism 243, thereby transmitting power to the support roller 241, and the transmission gear mechanism 243 can also adjust the speed of the third motor 242 to a suitable value.

[0064] See attached document Figure 7The die-cutting and slotting mechanism 200 may further include a paper feeding assembly, which includes a paper feeding roller 250, a pressure roller 251, and a second support beam 252. The paper feeding assembly is located behind the support roller 241, specifically on the side of the support roller 241 closest to the paper output direction. After the die-cutting and slotting mechanism 200 has finished slotting one side of the cardboard, the paper feeding assembly can drive the cardboard forward so that the die-cutting and slotting mechanism 200 can continue slotting on the other side of the cardboard. The paper feeding roller 250 can be connected to a transmission gear mechanism 243, thereby using a third motor 242 to drive the paper feeding roller 250 to rotate. The pressure roller 251 is positioned above the paper feeding roller 250 on the second support beam 252. During paper feeding, the pressure roller 251 presses against the cardboard to prevent it from shaking and ensures smooth forward movement of the cardboard.

[0065] See attached document Figure 6 and attached Figure 8 The die-cutting and grooving mechanism 200 may also include a roller adjustment mechanism 244, which is connected to the end of the support roller 241. The roller adjustment mechanism 244 includes a motor and an eccentric wheel mechanism, which can adjust the gap between the support roller 241 and the die-cutting blade assembly 100 to ensure that the blade 112 can cut through the cardboard but not cut too deeply, thereby causing excessive damage to the support roller 241.

[0066] See attached document Figure 9 This application also provides a carton making machine 10, which includes a die-cutting and slotting mechanism 200 according to the principles of this application. This allows it to possess the beneficial effects of the die-cutting blade assembly 100 and the die-cutting and slotting mechanism 200 of this application, and enables the processing of cartons with longer and higher dimensions. Furthermore, slotting the cartons can be performed without interruption, thereby accelerating the slotting speed and improving slotting efficiency. In some preferred embodiments, the carton making machine 10 also includes a transverse slotting mechanism 300. This allows the carton making machine 10 to perform both transverse slotting using the transverse slotting mechanism 300 and longitudinal slotting using the die-cutting and slotting mechanism 200, thereby enhancing the slotting function of the carton making machine 10 and enabling it to meet various cardboard processing needs. The respective paper feeding directions for transverse and longitudinal slotting are as follows: Figure 11 As shown. The box-making machine 10 of this application may also include a leading edge paper feeding mechanism, a longitudinal pressing mechanism, a paper output mechanism, etc., thereby realizing comprehensive processing of paperboard.

[0067] See attached document Figure 10In some preferred embodiments, the carton making machine 10 includes two die-cutting and slotting mechanisms 200, which are arranged adjacent to each other and can perform staggered slotting on the cardboard. This allows the carton making machine 10 to exceed the minimum processing size achievable by two adjacent die-cutting blade assemblies 100 on the same die-cutting and slotting mechanism 200, further reducing the minimum achievable distance between two adjacent slots on the same side of the cardboard, and increasing the processing speed of small, medium, and tall cartons. This enables users to process cartons of different sizes according to different needs, improves the processing efficiency of the carton making machine 10, and expands its applicability.

[0068] While at least one exemplary embodiment has been described in the foregoing detailed description, it should be understood that numerous variations exist. It should also be understood that the one or more exemplary embodiments described herein are merely examples and are not intended to limit the scope, applicability, or construction of this application in any way. Rather, the foregoing detailed description will provide convenient guidance to those skilled in the art in implementing one or more exemplary embodiments. It should be understood that various changes, modifications, or alterations can be made to the function and arrangement of elements without departing from the scope of this application as set forth by the appended claims and their equivalents.

Claims

1. A die-cutting blade assembly, characterized in that, The die-cutting blade assembly includes a die-cutting blade and a blade support frame. The die-cutting blade includes a blade disc and a cutting edge. The blade disc is annular, and the cutting edge is disposed on the side of the blade disc. The blade support frame is provided with a limiting device that can limit the movement of the blade disc.

2. The die-cutting blade assembly as described in claim 1, characterized in that, The cutter head is provided with a first groove around its circumference, and the limiting device extends into the first groove.

3. The die-cutting blade assembly as described in claim 2, characterized in that, The limiting device contacts the bottom of the first groove.

4. The die-cutting blade assembly as described in claim 2, characterized in that, The limiting device does not contact the bottom of the first groove.

5. The die-cutting blade assembly as described in claim 3, characterized in that, The cutter head support frame is provided with a swinging cutter block, which extends into the first groove.

6. The die-cutting blade assembly as described in claim 3, characterized in that, The side of the cutter head is provided with a circular boss, and the cutting edge is disposed on the circular boss.

7. The die-cutting blade assembly as claimed in claim 1, characterized in that, The cutter head is provided with a raised ridge around its circumference, and the limiting device may or may not contact the raised ridge.

8. The die-cutting blade assembly as claimed in claim 7, characterized in that, The cutter head support frame is provided with a swing cutter block, the swing cutter block is provided with a second groove, and the protruding ridge extends into the second groove.

9. The die-cutting blade assembly as described in any one of claims 1-8, characterized in that, The limiting device is a limiting wheel or a limiting roller.

10. The die-cutting blade assembly as claimed in claim 9, characterized in that, The surfaces of the limiting wheel and the limiting roller are made of elastic material.

11. The die-cutting blade assembly as claimed in claim 9, characterized in that, The cutter head has two blades spaced apart on the same side.

12. The die-cutting blade assembly as claimed in claim 9, characterized in that, The cutter head support frame is equipped with a first power mechanism to drive the movement of the die-cutting blade assembly.

13. The die-cutting blade assembly as claimed in claim 12, characterized in that, The first power mechanism is a first motor, and the output end of the first motor is equipped with a gear.

14. The die-cutting blade assembly as claimed in claim 12, characterized in that, The cutter head support frame is equipped with a slider.

15. A die-cutting and slotting mechanism, characterized in that, The die-cutting and grooving mechanism includes the die-cutting blade assembly as described in any one of claims 1-14.

16. The die-cutting and grooving mechanism as described in claim 15, characterized in that, The die-cutting and grooving mechanism further includes a drive shaft, a second power mechanism, and a first support beam. The drive shaft passes through the cutter head to drive the cutter head to rotate. The second power mechanism is connected to the drive shaft to drive the drive shaft to rotate. The first support beam is provided with a slide rail that cooperates with the slider.

17. The die-cutting and grooving mechanism as described in claim 16, characterized in that, The number of sliders and the number of the first support beams are both two.

18. The die-cutting and grooving mechanism as described in claim 17, characterized in that, The die-cutting and grooving mechanism further includes a roller assembly, which includes a support roller and a third power mechanism. The support roller is arranged parallel to the drive shaft, and the third power mechanism is connected to the support roller, thereby driving the support roller to rotate.

19. The die-cutting and grooving mechanism as described in claim 18, characterized in that, The die-cutting and grooving mechanism also includes a roller adjustment mechanism to adjust the position of the carrying roller.

20. The die-cutting and grooving mechanism as described in claim 18, characterized in that, The die-cutting and slotting mechanism also includes a paper feeding assembly for feeding paper to the die-cutting and slotting mechanism.

21. A box-making machine, characterized in that, The box-making machine includes the die-cutting and grooving mechanism as described in any one of claims 15-20.

22. The box-making machine as described in claim 21, characterized in that, The number of die-cutting and grooving mechanisms is two, and these two die-cutting and grooving mechanisms are arranged adjacent to each other.

23. The box-making machine as described in claim 22, characterized in that, The box-making machine also includes a transverse grooving mechanism.

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