Automatic hole forming device for packaging box

Abstract

The utility model discloses an automatic hole forming device for a packaging box, which belongs to the technical field of punching and comprises a base plate. A supporting frame is fixedly installed on the upper side of the base plate, and a positioning groove used for containing a carton board is formed in the middle of the base plate. A lower template is mounted on the lower side of the positioning groove; a punching mechanism is installed in the middle of the supporting frame. The punching mechanism comprises a moving assembly and a detachable punching rod, the moving assembly is installed in the middle of the supporting frame, and the detachable punching rod used for punching holes in the carton board is installed at the moving end of the moving assembly. According to the mode, through the arrangement of the moving assembly, the carton board is pre-pressed before the detachable punching rod is driven to punch, and the carton board is prevented from moving during punching; through the arrangement of the detachable punching rod, adjustment can be conveniently conducted according to different hole forming positions, the device can be adjusted according to the hole forming requirement, and the applicability of the device is improved; and meanwhile, through the structural arrangement of the lower die plate, the supporting strength and the punching receding requirement are guaranteed, and meanwhile chippings can be conveniently moved to the lower side of the lower die plate.

Description

Technical Field

[0001] The utility model relates to the technical field of punching, in particular to an automatic hole-forming device for packaging boxes. Background Art

[0002] In order to strengthen the support strength of the packaging box, corrugated paper is usually arranged in the middle layer of the cardboard for producing the packaging box as a strengthening structure; in order to meet different use requirements, holes are punched on some packaging box bodies, such as ventilation holes, accessory installation holes, etc.; currently, when forming holes in the packaging box, the common method is to punch the cardboard for producing the packaging box.

[0003] For example, Chinese Patent CN221291596U discloses a cardboard punching device. The device punches holes through a punching device fixedly installed on the surface of an electric push plate, supports the cardboard through a punching plate on a fixed table, and punches the cardboard through the cooperation of the punching device and the punching plate.

[0004] However, when punching the cardboard, usually according to different requirements, the positions, quantities and spacings of the formed holes are all different; it is difficult to replace the punching device of this device and it is difficult to adapt to different hole-forming requirements; moreover, after the corrugated paper in the middle layer of the cardboard is cut, the corrugated paper in the debris unfolds, resulting in the debris after punching being easy to unfold and accumulate in the circular cutting knife.

[0005] Based on this, the utility model designs an automatic hole-forming device for packaging boxes to solve the above problems. Content of the Utility Model

[0006] In view of the above-mentioned drawbacks of the prior art, the utility model provides an automatic hole-forming device for packaging boxes.

[0007] To achieve the above object, the utility model is realized through the following technical solutions:

[0008] An automatic hole-forming device for packaging boxes includes a base plate;

[0009] A support frame is fixedly installed on the upper side of the base plate, and a positioning groove for accommodating the cardboard is formed in the middle of the base plate; a lower template is installed on the lower side of the positioning groove; a punching mechanism is installed in the middle of the support frame;

[0010] The punching mechanism includes a moving component and a detachable punching rod. The moving component is installed in the middle of the support frame, and the moving end of the moving component is installed with a detachable punching rod for punching holes in the cardboard; an air supply component for assisting the punching debris to break away is installed on the moving component and the detachable punching rod.

[0011] Furthermore, the moving component includes a driving component and a floating component. The driving component is installed on the support frame, and the floating component is installed on the moving end of the driving component.

[0012] Furthermore, the driving assembly includes a cylinder, a limiting rod, and a moving plate. The cylinder is fixedly installed on the support frame. The output end of the cylinder passes through the support frame and is fixedly connected to the middle of the moving plate. A plurality of limiting rods are symmetrically and fixedly installed on the upper side of the moving plate, and the limiting rods are in limiting sliding connection with the support frame.

[0013] Furthermore, the floating assembly includes a floating pressing plate, springs, sliding rods, limiting blocks, and through holes. One end of the springs is fixedly connected to the lower side of the moving plate. There are multiple springs, and the multiple springs are evenly distributed at equal intervals on the lower side of the moving plate; the other end of the springs is fixedly installed on the upper side of the floating pressing plate; a plurality of sliding rods are symmetrically and fixedly installed on the upper side of the floating pressing plate. After passing through the moving plate, the sliding rods are fixedly connected to the limiting blocks; the sliding rods are in limiting sliding connection with the moving plate.

[0014] Furthermore, the floating assembly further includes through holes, and a plurality of through holes are evenly opened at equal intervals on the floating pressing plate.

[0015] Furthermore, the detachable punching rod includes a chute, a sliding plate, a punching rod, and a locking assembly. Chutes are evenly opened at equal intervals on the moving plate. The chutes are inserted with the sliding plates. A plurality of punching rods are fixedly installed on the lower side of the sliding plates. An annular cutter for punching is fixedly installed at the lower end of the punching rod;; The positions of the punching rods on different sliding plates are different; the punching rods pass through the floating pressing plate through the through holes; a locking assembly for restricting the movement of the sliding plates is installed at the end of the moving plate.

[0016] Furthermore, the locking assembly includes a locking groove, a locking block, and a mounting plate. A locking groove is opened at the end of the moving plate. A locking block for blocking the movement of the sliding plate is inserted into the locking groove. A mounting plate is fixedly installed on the upper side of the locking block; the mounting plate is detachably installed on the moving plate by bolts.

[0017] Furthermore, the lower template includes a metal plate, round holes, and trumpet holes. The metal plate is fixedly installed on the lower side of the positioning groove. Round holes are evenly opened at equal intervals on the upper side of the metal plate. Trumpet holes are evenly opened at equal intervals on the lower side of the metal plate; the trumpet holes are aligned with the round holes, the trumpet holes are communicated with the round holes, and the diameter of the upper end of the trumpet hole is the same as that of the round hole, and the diameter of the lower end of the trumpet hole is larger than the diameter of the upper end of the trumpet hole.

[0018] Compared with the prior art, the utility model has the following beneficial effects: placing the carton board in the positioning groove, and preliminarily positioning the carton board through the positioning groove; installing the detachable punch rod assembly on the moving component according to the hole forming position, and then operating the moving component to drive the detachable punch rod to move; after the moving component pre-presses the carton board, the carton board is punched by the detachable punch rod; at the same time, the detachable punch rod brings the debris after punching to the lower side of the lower template, avoiding the accumulation of the punching debris on the upper side of the lower template, which is convenient for continuous punching; through the setting of the moving component, the carton board is pre-pressed before the detachable punch rod is driven to punch, avoiding the movement of the carton board during punching; through the setting of the detachable punch rod, it is convenient to adjust according to different hole forming positions, so that the device can be adjusted according to the hole forming requirements, thereby improving the applicability of the device; at the same time, through the structural setting of the lower template, while ensuring the support strength and the punching clearance requirements, it is convenient for the debris to move to the lower side of the lower template; air is supplied by the air supply component to avoid the carton board debris from adhering to the detachable punch rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A three-dimensional automatic hole-forming device for a packaging box according to the utility model Figure 1 ;

[0021] Figure 2 This is a front view of an automatic hole-forming device for a packaging box according to the utility model;

[0022] Figure 3 For along Figure 2 AA direction cross-sectional view;

[0023] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0024] Figure 5 Schematic diagram of the skateboard and its connection structure.

[0025] The numbers in the figure represent:

[0026] 1. Substrate; 11. Support frame; 12. Positioning groove; 2. Punching mechanism; 21. Moving component; 211. Cylinder; 212. Limit rod; 213. Moving plate; 214. Floating pressure plate; 215. Spring; 216. Slide rod; 217. Limit block; 218. Through hole; 22. Detachable punch rod; 221. Slide groove; 222. Slide plate; 223. Punch rod; 224. Locking groove; 225. Locking block; 226. Mounting plate; 3. Lower template; 31. Metal plate; 32. Round hole; 33. Flared hole; 4. Air supply component; 41. Ventilation groove; 43. Air guide groove; 44. Air blowing groove. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0028] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0029] Embodiment 1: In some embodiments, please refer to the Figures 1 - 3 drawings in the specification, an automatic hole-forming device for packaging boxes, including a substrate 1;

[0030] A support frame 11 is fixedly installed on the upper side of the substrate 1, and a positioning groove 12 for accommodating a cardboard box is formed in the middle of the substrate 1; a lower template 3 is installed below the positioning groove 12; a punching mechanism 2 is installed in the middle of the support frame 11;

[0031] The punching mechanism 2 includes a moving component 21 and a detachable punch rod 22. The moving component 21 is installed in the middle of the support frame 11, and a detachable punch rod 22 for punching holes in the cardboard box is installed at the moving end of the moving component 21; an air supply component 4 for assisting the punching debris to break away is installed on the moving component 21 and the detachable punch rod 22.

[0032] In this embodiment, when the automatic hole-forming device for packaging boxes works normally, the carton board is placed in the positioning groove 12, and the carton board is preliminarily positioned through the positioning groove 12; the detachable punch rod 22 is assembled and installed on the moving component 21 according to the hole-forming position, and then the moving component 21 is operated to drive the detachable punch rod 22 to move; after the moving component 21 pre-presses the carton board, the carton board is punched through the detachable punch rod 22; at the same time, the detachable punch rod 22 brings the punched debris to the lower side of the lower template 3 to avoid the punched debris from accumulating on the upper side of the lower template 3. It is convenient for continuous punching; through the setting of the moving component 21, the carton board is pre-pressed before driving the detachable punch rod 22 to punch, so as to prevent the carton board from moving during punching; through the setting of the detachable punch rod 22, it is convenient to adjust according to different hole-making positions, so that the device can be adjusted according to the hole-making requirements, thereby improving the applicability of the device; at the same time, through the structural setting of the lower template 3, while ensuring the support strength and the punching clearance requirements, it is convenient for the debris to move to the lower side of the lower template 3; through the air supply component 4, air is supplied to prevent the carton board debris from adhering to the detachable punch rod 22.

[0033] Embodiment 2: In some embodiments, Figures 1 - 5 As shown, as a preferred embodiment of the utility model, the moving assembly 21 includes a driving assembly and a floating assembly, the driving assembly is installed on the support frame 11, and the floating assembly is installed at the moving end of the driving assembly;

[0034] The driving assembly includes a cylinder 211, a limiting rod 212 and a moving plate 213. The cylinder 211 is fixedly mounted on the support frame 11. The output end of the cylinder 211 passes through the support frame 11 and is fixedly connected to the middle of the moving plate 213. A plurality of limiting rods 212 are symmetrically fixedly mounted on the upper side of the moving plate 213. The limiting rods 212 are slidingly connected to the support frame 11 in a limiting manner.

[0035] The floating assembly includes a floating pressure plate 214, a spring 215, a slide bar 216, a limit block 217 and a through hole 218. The lower side of the movable plate 213 is fixedly connected to one end of the spring 215. A plurality of springs 215 are provided, and the plurality of springs 215 are evenly distributed at equal intervals on the lower side of the movable plate 213. The other end of the spring 215 is fixedly installed on the upper side of the floating pressure plate 214. A plurality of slide bars 216 are symmetrically fixedly installed on the upper side of the floating pressure plate 214. The slide bars 216 are fixedly connected to the limit block 217 after passing through the movable plate 213. The slide bars 216 are limitedly slidably connected to the movable plate 213.

[0036] The floating assembly further includes a through hole 218, and a plurality of through holes 218 are evenly and evenly provided on the floating pressure plate 214 at equal intervals;

[0037] The detachable punching rod 22 includes a chute 221, a sliding plate 222, a punching rod 223 and a locking assembly. The chute 221 is evenly arranged at equal intervals on the moving plate 213. The chute 221 is inserted with the sliding plate 222. A plurality of punching rods 223 are fixedly installed on the lower side of the sliding plate 222. The lower end of the punching rod 223 is fixedly installed with an annular cutter for punching holes. The positions of the punching rods 223 on different sliding plates 222 are different. The punching rod 223 passes through the floating pressing plate 214 through the through hole 218. A locking assembly for restricting the movement of the sliding plate 222 is installed at the end of the moving plate 213;

[0038] The locking assembly includes a locking groove 224, a locking block 225 and a mounting plate 226. The locking groove 224 is opened at the end of the moving plate 213. The locking block 225 for blocking the movement of the sliding plate 222 is inserted into the locking groove 224. The mounting plate 226 is fixedly installed on the upper side of the locking block 225. The mounting plate 226 is detachably installed on the moving plate 213 by bolts;

[0039] The lower template 3 includes a metal plate 31, a round hole 32 and a trumpet hole 33. The metal plate 31 is fixedly installed on the lower side of the positioning groove 12. The round holes 32 are evenly opened on the upper side of the metal plate 31 at equal intervals. The trumpet holes 33 are evenly opened on the lower side of the metal plate 31 at equal intervals. The trumpet holes 33 are aligned with the round holes 32. The trumpet holes 33 are communicated with the round holes 32, and the diameter of the upper end of the trumpet hole 33 is the same as that of the round hole 32. The diameter of the lower end of the trumpet hole 33 is larger than the diameter of the upper end of the trumpet hole 33.

[0040] The air supply assembly 4 includes an air vent groove 41, a gas guide groove 43 and a blowing groove 44. The air vent groove 41 is opened at the end of the punching rod 213. The air vent groove 41 is communicated with the air supply pipeline. A communication groove communicated with the air vent groove 41 is opened at the end of the chute 221. The gas guide groove 43 is opened in the sliding plate 222. The end of the gas guide groove 43 is communicated with the communication groove at the end of the chute 221. A through blowing groove 44 is opened in the middle of the punching rod 223. A communication groove communicated with the gas guide groove 43 is opened at the upper end of the blowing groove 44.

[0041] In this embodiment, when the punching mechanism 2 and the lower template 3 are working normally, the sliding plates 222 with punching rods 223 of different numbers and different positions are inserted into the chute 221 according to the hole forming requirements. Then, the locking block 225 is inserted into the locking groove 224. The movement of the sliding plate 222 is restricted by the locking block 225. The locking of the locking block 225 is realized by locking the mounting plate 226 and the moving plate 213 with bolts;

[0042] The air cylinder 211 drives the moving plate 213 to move downward, and the moving plate 213 moves vertically downward under the limiting action of the limiting rod 212. At this time, the floating pressure plate 214 is supported by the limiting block 217 and the sliding rod 216, and the punching rod 223 on the lower side of the sliding plate 222 is located on the upper side inside the through hole 218. The moving plate 213 moves vertically downward, driving the floating pressure plate 214 to move vertically downward through the limiting block 217 and the sliding rod 216 until the floating pressure plate 214 contacts the cardboard in the positioning groove 12. The air cylinder 211 continues to drive the moving plate 213 to move vertically downward, compressing the spring 215, and pre-pressing the cardboard through the floating pressure plate 214. The air cylinder 211 drives the punching rod 223 to move vertically downward through the moving plate 213 and the sliding plate 222, punches holes in the cardboard through the punching rod 223, and the debris after punching is driven by the punching rod 223 to move into the horn hole 33 through the round hole 32 and fall to the lower side of the metal plate 31 under the action of gravity. Through the settings of the round hole 32 and the horn hole 33, while ensuring the overall strength of the metal plate 31, it avoids the accumulation of debris in the round hole 32 and reduces the displacement required by the punching rod 223 in the round hole 32. The air supply pipeline blows air through the air vent groove 41, the air guide groove 43 and the air blowing groove 44, and blows off the debris at the end of the punching rod 223 through the air flow, avoiding the situation that the folding layer of the air middle layer for strengthening support unfolds after the corrugated paper is cut, which is likely to accumulate in the annular knife at the end of the punching rod.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An automatic hole punching device for packing boxes, comprising a base plate (1), characterized in that: A support frame (11) is fixedly installed on the upper side of the base plate (1), and a positioning groove (12) for accommodating cardboard is provided in the middle of the base plate (1); a lower template (3) is installed below the positioning groove (12); a punching mechanism (2) is installed in the middle of the support frame (11); The punching mechanism (2) includes a moving component (21) and a detachable punching rod (22). The moving component (21) is installed in the middle of the support frame (11), and a detachable punching rod (22) for punching holes in the cardboard is installed at the moving end of the moving component (21); an air supply component (4) for assisting the punching debris to break away is installed on the moving component (21) and the detachable punching rod (22).

2. The automatic hole-forming device for packaging boxes according to claim 1, characterized in that, The moving component (21) includes a driving component and a floating component. The driving component is installed on the support frame (11), and the floating component is installed at the moving end of the driving component.

3. The automatic hole-forming device for packaging boxes according to claim 2, characterized in that, The driving component includes a cylinder (211), a limiting rod (212) and a moving plate (213). The cylinder (211) is fixedly installed on the support frame (11), the output end of the cylinder (211) passes through the support frame (11) and is fixedly connected to the middle of the moving plate (213). A plurality of limiting rods (212) are symmetrically and fixedly installed on the upper side of the moving plate (213), and the limiting rods (212) are in limiting sliding connection with the support frame (11).

4. The automatic hole-forming device for packaging boxes according to claim 3, wherein, The floating component includes a floating pressing plate (214), a spring (215), a sliding rod (216), a limiting block (217) and a through hole (218). The lower side of the moving plate (213) is fixedly connected to one end of the spring (215). A plurality of springs (215) are provided, and the plurality of springs (215) are evenly distributed at equal intervals on the lower side of the moving plate (213); the other end of the spring (215) is fixedly installed on the upper side of the floating pressing plate (214); a plurality of sliding rods (216) are symmetrically and fixedly installed on the upper side of the floating pressing plate (214), and the sliding rods (216) pass through the moving plate (213) and are fixedly connected to the limiting block (217); the sliding rods (216) are in limiting sliding connection with the moving plate (213).

5. The automatic hole-forming device for packaging boxes according to claim 4, characterized in that, The floating component further includes a through hole (218), and a plurality of through holes (218) are evenly opened at equal intervals on the floating pressing plate (214).

6. The automatic hole-forming device for packaging boxes according to claim 5, characterized in that, The detachable punching rod (22) includes a chute (221), a sliding plate (222), a punching rod (223) and a locking component. Chutes (221) are evenly opened at equal intervals on the moving plate (213), the chutes (221) are inserted with the sliding plates (222), a plurality of punching rods (223) are fixedly installed on the lower side of the sliding plates (222), and an annular cutter for punching holes is fixedly installed at the lower end of the punching rods (223); the positions of the punching rods (223) on different sliding plates (222) are different; the punching rods (223) pass through the floating pressing plate (214) through the through holes (218); a locking component for restricting the movement of the sliding plate (222) is installed at the end of the moving plate (213).

7. The automatic hole-forming device for packaging boxes according to claim 6, characterized in that, The locking component includes a locking groove (224), a locking block (225) and a mounting plate (226). A locking groove (224) is formed at the end of the moving plate (213). A locking block (225) for blocking the movement of the sliding plate (222) is inserted into the locking groove (224). A mounting plate (226) is fixedly installed on the upper side of the locking block (225). The mounting plate (226) is detachably installed on the moving plate (213) by bolts.

8. The automatic hole-forming device for packaging boxes according to claim 7, wherein, The lower template (3) includes a metal plate (31), round holes (32) and flared holes (33). The metal plate (31) is fixedly installed below the positioning groove (12). Round holes (32) are evenly arranged at equal intervals on the upper side of the metal plate (31). Flared holes (33) are evenly arranged at equal intervals on the lower side of the metal plate (31). The flared holes (33) are aligned with the round holes (32), and the flared holes (33) communicate with the round holes (32). The diameter of the upper end of the flared hole (33) is the same as that of the round hole (32), and the diameter of the lower end of the flared hole (33) is larger than the diameter of the upper end of the flared hole (33).

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