23479 results about "Packaging Case" patented technology

The invention discloses a packaging box printed matter printing quality detection method, which comprises the following steps of: acquiring a high-resolution printing image through an image acquisition module, preprocessing and segmenting the printing image by an image processing module, optimizing image quality, classifying the preprocessed image by an image classification module according to characters, patterns and color blocks, and detecting the printing quality of a packaging box printed matter. The defect detection module performs multi-dimensional detection on the classified preprocessed images based on image parameter data, the quality analysis module quantitatively evaluates quality scores of characters, patterns and color blocks based on detection results, and the computer terminal generates a comprehensive score through weighting calculation and automatically generates a detection report; according to the packaging box printed matter printing quality detection method, complex defects such as font errors, stroke breakage, pattern deviation, color deviation and stains are effectively recognized through multi-dimensional defects, the manual reinspection cost is reduced through full-process automatic processing, and the quality of printed matter is visually reflected through a quantitative evaluation system.

The invention discloses a detection system and method for packaging box production and processing, and belongs to the technical field of packaging production quality detection. The invention discloses a detection system and method for packaging box production and processing. The system comprises a dual-polarization-angle imaging module, a structured light three-dimensional reconstruction module, a temperature compensation module, a defect judgment module and a sorting execution module. According to the method, dual-polarization images and three-dimensional point clouds are synchronously collected, qualified standard values are dynamically calibrated in combination with temperature, accurate recognition and grading judgment of surface and internal defects of the transparent plastic packaging boxes are achieved, and finally unqualified products are removed through a high-speed sorting mechanism. The method solves the problem of misjudgment caused by reflective interference and temperature drift of the transparent material, and is suitable for online detection of a high-speed production line.

The invention relates to the technical field of 3D printing, and discloses an environment-friendly packaging box rapid forming method and system based on biodegradable materials, and the method comprises the steps that a thermal-structure coupling finite element model is established; based on the thermal-structural coupling model, a multi-objective optimization model is constructed, and structural design parameters and initial printing path configuration are obtained; training a printing control strategy by utilizing a strategy optimization algorithm; according to the structural design parameters, the printing path configuration and the printing control strategy, a layer-by-layer printing path and a supporting structure configuration scheme matched with the printing object are generated; and the 3D printing process is executed, and closed-loop adjustment is conducted according to the control strategy. According to the method, the thermal-structural coupling finite element model based on the biodegradable material is constructed, and changes of a temperature field, a stress field and a thermal strain field in the printing process are accurately simulated, so that a printing path and supporting structure configuration are optimized, the printing precision is improved, structural instability caused by thermal deformation and interlayer stress is avoided, and the strength and stability of an object are ensured.

The utility model provides packaging box sealing paper removing equipment, and relates to the technical field of packaging auxiliary equipment. The box sealing paper comprises inner sealing paper and outer sealing paper, the removing equipment is provided with a heating station and a splitting station which are sequentially distributed, and the removing equipment comprises a heating assembly located on the heating station and used for heating the outer sealing paper; the removing structure is located at the splitting station, and the removing structure comprises a transposition assembly, a first removing assembly and a second removing assembly; the first removing assembly and the second removing assembly are arranged on the position changing assembly, the position changing assembly is configured to be switched between a first state and a second state, in the first state, the first removing assembly faces the outer sealing paper and removes the outer sealing paper, and in the second state, the second removing assembly faces the inner sealing paper and removes the inner sealing paper. According to the packaging box sealing paper removing equipment, the removing time of the box sealing paper can be saved, and the removing efficiency of the box sealing paper is improved.

The present invention discloses an automatic box loading device and a box loading method for glass products. The automatic box loading device for glass products includes a box supply mechanism assembled on a frame for providing empty boxes; a box picking mechanism for picking a single empty box; a box supporting and transporting mechanism for supporting and transporting box bodies; a loading mechanism for transferring glass products into the box bodies; a box blocking mechanism for inputting the box bodies filled with glass products into a box storage mechanism; and a box storage mechanism for storing the box bodies filled with glass products. The automatic box loading method for glass products includes the following steps: S1. Box supply; S2. Box picking; S3. Box supporting; S4. Loading; S5. Box blocking; S6. Box storage; S7. Resetting of each mechanism, and repeating the above steps. The present invention facilitates the accurate and orderly filling of boxes with glass products efficiently and with high quality. The present invention is applicable to an automatic box loading device for glass products and is used for loading bottle bodies on a bottle sorting line into packaging boxes.

The utility model relates to an integrally-torn display packaging box, and belongs to the technical field of medicine packaging. The packaging box comprises a box body and a front face built-in layer, the section of the box body is rectangular, the box body is closed, a containing cavity is formed in the box body and used for containing contents, the box body comprises a rectangular box front face, two tearing lines are arranged at preset positions of the box front face, the two tearing lines are horizontally arranged at intervals, and an easy-to-tear strip is arranged between the two tearing lines; the front built-in layer is matched with the box front, the front built-in layer is connected with the inner side of the box front, the front built-in layer and the box front are arranged in a stacked mode, an image-text area is arranged on the first side, close to the box front, of the front built-in layer, the image-text area is used for displaying information of contents and is used for being arranged corresponding to the easy-to-tear strip, and the easy-to-tear strip can cover the outer side of the image-text area. And the image-text area can be exposed after the easy-to-tear tape is torn. The display effect of the packaging box can be improved.

The design consists of a rectangular shape on the left side, excluding the dotted lines; in the center of the drawing, there is an arched window-shaped feature with a curved upper portion; floral patterns are arranged along the border of the arched window, and a cow's face is depicted at the bottom of the drawing; the nutrition facts and full amino acid in the drawing form no part of the claimed design.

The embodiment of the utility model provides a removing structure and removing equipment for box sealing paper of a packaging box, and relates to the technical field of packaging. The packaging box sealing paper removing structure comprises a first separating assembly and a second separating assembly, wherein the first separating assembly is used for separating outer sealing paper on a packaging box; the second separating assembly is used for separating the inner sealing paper on the packaging box; the adjusting assembly comprises an adjusting seat, a first adjusting part and a second adjusting part, the first adjusting part is arranged on the adjusting seat, the first adjusting part is connected with the first separating assembly and rotates around the axial direction of the adjusting seat relative to the adjusting seat, and the second adjusting part is arranged on the adjusting seat and connected with the second separating assembly; the extending directions of the first adjusting part and the second adjusting part are the same, and the second adjusting part rotates around the axial direction of the adjusting base relative to the first adjusting part, so that the projection of the first separating assembly and the projection of the second separating assembly on the horizontal plane are staggered. According to the structure, the occupied space is reduced, and the equipment cost is reduced.

The invention relates to the technical field of environment-friendly materials, and discloses a high-strength degradable packaging material and application of the high-strength degradable packaging material in cosmetic packaging materials.The preparation method of the high-strength degradable packaging material comprises the steps that polylactic acid, vanillic aldehyde modified polyester, polyadipic acid, triethyl citrate, calcium stearate and an antioxidant are added into a high-speed mixing machine, and the mixture is stirred to be uniform; mixing at 60 to 80 DEG C for 10 to 20 minutes to obtain a mixed material; the mixed material is subjected to melt blending through a double-screw extruder, the blending temperature is 160-180 DEG C, the screw rotating speed is 250-300 rpm, extrusion granulation and drying are conducted, and the high-strength degradable packaging material is obtained. The high-strength degradable packaging material can be applied to cosmetic packaging materials such as bottle bodies, bottle caps, hoses and packaging boxes. The prepared packaging material is high in mechanical strength and has good degradability and flame retardance.

The utility model provides batch boxing equipment for medicine bottles, and relates to the technical field of medicine boxing. The boxing equipment comprises a conveying belt unit and a boxing unit; a first blanking groove is formed in a bearing plate in the boxing unit, and a second blanking groove is formed in a sliding block; the medicine bottles are conveyed by the conveying belt unit and can enter the second blanking groove of the sliding block, at the moment, the second blanking groove and the first blanking groove are in a staggered state, and the medicine bottles are supported by the bearing plate and actually located on the bearing plate; a packaging box for containing medicine bottles is placed in a bottling space below the blanking area of the bearing plate, after the second blanking groove is filled with the medicine bottles conveyed by the conveying belt, the sliding block is driven by the driving piece to move downwards, the second blanking groove of the sliding block coincides with the first blanking groove of the bearing plate, the medicine bottles in the blanking grooves lose bottom supporting, and then the medicine bottles are placed in the bottle containing space. And the free falling body falls into a packaging box for containing the medicine bottles to complete boxing. The equipment is simple in structure, low in investment cost and easy to maintain, and good benefits can be obtained.

The invention relates to the technical field of intelligent manufacturing in the packaging industry, in particular to a packaging box production line monitoring system based on artificial intelligence, and aims to solve the problems that in the prior art, accurate feature extraction and classification cannot be carried out on packaging box images, multi-source information cannot be weighted and integrated by using an attention mechanism, and the detection accuracy is poor. And the accuracy of identifying the surface defects of the packaging box is improved. According to the invention, standardization, feature extraction and classification are carried out on packaging box images by using a convolutional neural network through a defect identification module, vibration, noise and temperature data collected from a die-cutting machine are processed and then fused with image features, multi-source information is weighted and integrated by using an attention mechanism, unified feature representation is generated, defect determination is completed by a full connection layer, and the defect identification accuracy is improved. And the accuracy and stability of the model in a complex environment are improved.

The invention discloses a full-automatic box covering and tongue inserting machine, and relates to the technical field of automatic cover folding equipment for packaging boxes. According to the scheme, the full-automatic packaging machine comprises a conveying mechanism, a lug folding mechanism for folding side lugs of a box, a cover pressing mechanism for pressing a box cover of the box downwards, a tongue clamping assembly for clamping an insertion tongue of the box towards the outer side, a cover folding mechanism for folding a cover tongue on the box cover and a cover inserting mechanism for inserting the cover tongue on the box cover into the box. The conveying mechanism is used for sequentially transferring the box to be packaged to stations of the lug folding mechanism, the cover pressing mechanism, the tongue clamping mechanism, the cover folding mechanism, the cover inserting mechanism and the tongue inserting mechanism for operation; according to the automatic folding device, the side lugs of the packaging box are automatically folded, the cover tongues and the insertion tongues are automatically folded and inserted into the box, the working efficiency is further improved, and the labor cost is reduced.

A packaging box for a razor assembly is proposed. The packaging box may include a first packaging unit including a first accommodation space open at an upper portion, the first packaging unit including a coupling opening open in a lateral direction at least on one side of the longitudinal direction of the first accommodation space. The box may also include a second packaging unit including a second accommodation space configured to accommodate the first packaging unit, the second packaging unit including a wing configured to allow at least a portion thereof to enter a lateral side of the coupling opening in an in-position state, in which the first package unit received in the second accommodation space is not moved longitudinally. When the wing pivots about a first pivot axis parallel to the lateral direction, the first packaging unit moves in the longitudinal direction with respect to the second packaging unit.

The invention provides a new material packaging box quality detection device, and relates to the technical field of packaging box detection.The new material packaging box quality detection device comprises a workbench, a detection shell is fixedly installed in the left half area of the upper portion of the workbench through a supporting block, and a spectrograph is embedded in the right side of the bottom end face of the detection shell; when the detection area provided with the packaging box non-standard sample moves to the position of the spectrograph, the proximity switch also senses the matched sensing block, so that the control flashing lamp and the off-post judgment timing module are started, if a worker leaves a post, the off-post judgment timing module cannot be closed, and when a timing value is reached, the microcontroller controls the audible and visual alarm to be started, so that the non-standard sample of the packaging box is detected. The method and the system can be used to attract the attention of surrounding personnel and off-post workers, ensure that the spectrometer fault can be found and processed in time, and solve the problems that the current spectrometer lacks an effective fault detection mechanism, the workers cannot perceive the fault at the first time, the off-post condition of the workers is not considered, and the spectrometer fault is difficult to find and process in time during off-post.

The invention discloses a packaging box folding path planning method based on an intelligent optimization algorithm, and the method comprises the steps: collecting the unfolding state data and folding target state data of a packaging box, building a mathematical mapping model between an unfolding state and a folding target state through feature point marks, determining a state transition constraint condition in a folding process, and carrying out the folding of the packaging box. On the basis of the model, an optimization function with the shortest folding path length, the minimum number of structural interference times and the optimal action sequence as targets is constructed; the optimization function is solved through an intelligent optimization algorithm, an optimal folding path is iteratively generated, simulation analysis is conducted on the path, structural interference possibly existing in the folding process is recognized and corrected, the corrected path is imported into automatic execution equipment, and automatic folding of the packaging box is completed through driving equipment; according to the method, the problems of insufficient path planning precision and low automation degree in the prior art are effectively solved, and the intelligence and production efficiency of packaging box folding operation are improved.

The invention belongs to the technical field of injector assembling, and particularly relates to an injector assembling production line which comprises a base frame, an assembling structure is arranged at the upper end of the base frame, a conveying structure is arranged at one end of the assembling structure and comprises a conveying roller, and a stacking structure is arranged at one end of the conveying roller and comprises a stacking frame. The stacking frame is arranged at one end of the base frame, a ram is arranged in the stacking frame, and a placing structure is arranged at the other end of the conveying roller; the assembly structure comprises a transfer disc which is rotationally connected to the upper end of the base frame. Through the arrangement of the placing structure, the packaging box with collected syringes can be transferred and stored, and in the transferring process, the clamping strips can clamp the packaging box moving into the rack, so that it is ensured that the packaging box can be stably transferred into the rack, other auxiliary placing tables are prevented from being transferred into the rack, and the working efficiency is improved. And the pressure of the goods on the rack is increased.

The invention relates to the technical field of machine vision, in particular to a machine vision-based contact lens packaging box sealing detection system, which comprises the following steps of: preprocessing a collected packaging box sealing image by using a preprocessing module to obtain a preprocessed image; extracting a sealing area and a sealing area center of the preprocessed image through a positioning module; then, a flaw detection module is used for conducting flaw detection on the sealing area based on a flaw detection model built in advance, and a detection result is obtained; and finally, extracting candidate flaw features in the detection result through a flaw analysis module, and analyzing the candidate flaw features based on the center of the sealing area and pre-configured flaw screening parameters to obtain flaw features in the sealing area. Based on the image acquisition, processing and analysis technology, automatic detection of packaging box sealing is achieved, compared with a traditional manual detection method, the method has the advantages of being high in accuracy, high in efficiency, high in automation degree and the like, and the production efficiency and the product quality can be greatly improved.

The solid-phase gene chip packaging box comprises a box body, the box body is provided with a containing groove used for containing a first chip or a second chip, the side wall of the containing groove is provided with a first clamping part and a second clamping part, and the first clamping part is located below the second clamping part; wherein the upper surface of the first chip and the upper surface of the second chip are respectively coated with a first protective film and a second protective film; the first clamping part can abut against the upper surface of the first protective film, and the second clamping part can abut against the side portion of the second protective film. According to the solid-phase gene chip packaging box, the first chip or the second chip can be placed in the containing groove, the first chip can be clamped and fixed through the first clamping part, and the second chip can be clamped and fixed through the second clamping part. Therefore, the packaging box can be suitable for packaging two solid-phase gene chips, the universality of the packaging box is improved, and the production cost is reduced.

The invention provides a degradable packaging box outer surface defect detection device, and relates to the field of packaging box defect detection.The degradable packaging box outer surface defect detection device comprises a conveying device, a supporting frame is fixedly connected to a rack of the conveying device, four peripheral face detection cameras are installed on the periphery of the inner side of the supporting frame, and an upper surface detection camera is installed at the top of the inner side of the supporting frame; a receding mechanism is arranged at the bottom of a rack of the conveying equipment, and a trapezoidal conveying mechanism is installed on the upper portion of the receding mechanism. Through the design of the trapezoidal conveying mechanism, the lower side face of the degradable packaging box can be separated from the upper surface of the conveying belt of the conveying equipment, manual turnover is not needed in the process, manpower is effectively saved, and the detection efficiency is remarkably improved; the problems that when an existing degradable packaging box is detected, only four side faces, the upper surface and the lower surface of the outer periphery of the packaging box are blocked by a conveying belt, and manual turn-over detection is needed, manpower is consumed, and efficiency is low are solved.

The invention relates to the field of environment-friendly packaging boxes, and discloses a multi-modal data fusion environment-friendly packaging box intelligent design auxiliary system which comprises a packaging full-life-cycle heterogeneous atlas database module, a design constraint parameter analysis module, a topological variation index engine module, a compliance and multi-objective optimization module and a parameterization scheme generation module. According to the method, a time dimension is introduced through a topological variation index engine, instantaneous stress in a folding process is calculated in combination with a nonlinear viscoelastic model, physical evolution of a structure is simulated in a virtual design stage, and the fracture risk is predicted; meanwhile, multi-objective optimization is carried out by utilizing a Hash mask mechanism based on laws and regulations and a pruning algorithm, and a compliance design scheme containing production process parameters is output, so that the problems of lack of physical simulation and low compliance verification efficiency in environmental protection material design are solved, and the physical feasibility and the production yield of the design scheme are improved.

The invention relates to the technical field of medical equipment, and discloses a sensor implantation mechanism which is used for realizing repeated use of auxiliary implantation equipment. The sensor implantation mechanism comprises a sensor module and a reusable auxiliary implantation device. The sensor module comprises a packaging box, a module support, a guide needle and a sensor device, the packaging box comprises a bottom shell and a box cover, and the box cover detachably covers the top end of the bottom shell. The reusable auxiliary implantation device comprises an injection structure and a reset structure, and the injection structure can be fixed to the module support. The injection structure can be implanted into the human body along the drive sensor device. The injection structure is provided with a clamping assembly, the clamping assembly is used for clamping the guide needle, and when the injection structure moves in the direction opposite to the injection direction, the injection structure is further used for driving the guide needle to be separated from the sensor device. The reset structure is used for driving the second clamping structure to be separated from the first clamping structure and also used for driving the guide needle to be separated from the clamping assembly.

A cover fastening device of a side-opening packaging box, comprising: a rack, wherein the rack is provided with a cover fastening platform (100), a bottom surface suction cup (101), a packaging box positioning and clamping device, and a box taking and transferring device. The rack is further provided with a cover-pushing-in-box device, a box cover pressing device, a box cover blocking device and a box cover tongue expansion device. The box taking and transferring device comprises: a transfer linear module (21), wherein the transfer linear module (21) is provided with a vertically arranged box taking electric cylinder (2), a box taking mounting base is arranged on a driving rod of the box taking electric cylinder (2), a box taking pressing plate (26) and at least two box taking suction cups (27) arranged in the length direction of the packaging box are arranged on the box taking mounting base, and the box taking suction cups (27) can penetrate through the box taking pressing plate (26). The cover-pushing-in-box device comprises: a push plate (32), and first and second push guiding plates (33, 34) correspondingly arranged at the upper and lower ends of the push plate (32). The box cover pressing device comprises a pressing rod (4) capable of moving in three dimensions. The box cover blocking device comprises a right-angle baffle (5) capable of moving in three dimensions. The box cover tongue expansion device comprises: an expansion lifting / lowering air cylinder (60) arranged on the rack in the vertical direction, an expansion suction cup air cylinder (63) is arranged on a piston rod of the expansion lifting / lowering air cylinder (60), and an expansion suction cup (6) is arranged on a piston rod of the expansion suction cup air cylinder (63). The cover fastening device can automatically close a clip to close a larger cover and a smaller cover, and automatic sealing of a box opening of a side-opening packaging box is achieved.

The invention relates to the technical field of package detection, and discloses a non-abandoned wine product package box compression resistance detection method and system based on a sensor. According to the method, surface pressure distribution data and internal stress waveforms of a packaging box are collected through a sensor network, and a multi-modal sensing data flow is generated. A three-dimensional digital twinning model of the packaging box is constructed based on the data flow, and material elastic parameters and structural constraint conditions are initialized; and carrying out compression resistance prediction training on the model to generate an adaptive compression resistance prediction model, and outputting a deformation simulation sequence in a virtual pressure environment. Real-time sensor data and a simulation sequence are dynamically compared to calculate a deformation error coefficient, so that a trigger threshold value of a pressure detection device is adjusted, and a compression resistance detection cycle is started. Multi-source data are fused in the circulation process for spatio-temporal feature analysis, and the overall compressive strength of the packaging box is evaluated. According to the invention, accurate prediction and dynamic detection of the compression resistance of the packaging box are realized.

The invention provides a packaging box automatic gluing intelligent detection system and method, and relates to the technical field of intelligent detection, and the system comprises a gluing adaptation analysis module which is used for analyzing packaging box parameter data to obtain gluing adaptation feature data; and the glue box adaptation module is used for associating the glue performance data with the gluing adaptation feature data to obtain glue box matching data. The glue material adaptation analysis module is used for analyzing the influence degree of the dynamic characteristic data of the glue material on the glue box matching data to obtain a glue material adaptation influence coefficient, and the gluing monitoring and adjusting module is used for constructing a dynamic monitoring model based on the dynamic characteristic data of the glue material, the glue box matching data and the glue material adaptation influence coefficient and detecting the gluing process in real time. And generating a parameter adjustment and defect processing instruction. The method can adapt to various production scenes and material combinations, the production efficiency is improved, potential faults and defects are warned in advance, the prevention capacity is greatly improved, and effective dynamic monitoring and adjustment are carried out.

The present invention provides a power semiconductor module packaging structure, comprising: a packaging substrate, a packaging case, and a half-bridge power semiconductor module; the packaging case is fixedly connected to the packaging substrate to form an accommodation space; the half-bridge power semiconductor module is disposed in the accommodation space; the half-bridge power semiconductor module includes a paired upper switching tube and a lower switching tube connected in parallel on the packaging substrate, and the upper switching tube and the lower switching tube are disposed opposite to each other in the horizontal direction; the upper switching tube includes a first liner bonded to the substrate, a power semiconductor chip group bonded to the first liner, a main power terminal, and an auxiliary control terminal; the lower switching tube includes a second liner bonded to the substrate, a power semiconductor chip group bonded to the second liner, a main power terminal, and an auxiliary control terminal; the first liner and the second liner are connected through the main power terminal, the auxiliary control terminal, and a module-level bonding wire, and the tops of the main power terminal and the auxiliary control terminal extend out of the packaging case.

The invention discloses an automatic food packaging box replacing device, and relates to the technical field of conveying, the automatic food packaging box replacing device is characterized in that four through grooves are formed in a rotary disc in a circumferential array mode, and U-shaped plates are arranged around the through grooves; the placing frame comprises a bottom frame, four stand columns and a supporting plate, a discharging groove is formed in the center of the bottom frame, a gear is arranged at the top of the first end of the supporting plate, the first end of the supporting plate is rotationally connected to one stand column, a torsional spring is arranged at the joint of the first end of the supporting plate and the stand column, and the second end of the supporting plate is located above the discharging groove; the first conveying channel is used for sequentially conveying the containing frames where the packaging boxes are stacked into the corresponding U-shaped plates, the releasing mechanism comprises a first telescopic rod and a rack connected with the first telescopic rod and is used for rotating a gear so that the supporting plate can rotate towards the outer portion of the rotary disc, and then the stacked packaging boxes can integrally fall into the box separating mechanism, and a push-pull mechanism is arranged at the position of the second conveying channel. And the moving mechanism is used for moving the empty placing rack to the second conveying channel. The stacked packaging boxes can be automatically conveyed and transferred to the box separation mechanism.

The invention belongs to the field of hard disk production, and particularly relates to a hard disk assembly system and method.The hard disk assembly system comprises an assembly line, a packaging work station and a finished product work station which are sequentially arranged and further comprises a double-layer backflow conveying line and a hard disk jig arranged on the double-layer backflow conveying line; a clamping mechanical arm, a packaging box supply assembly line and a packaging box positioning jig are arranged on the packaging station, the downstream of the conveying belt is arranged close to the finished product station, and the packaging box positioning jig comprises a packaging box body positioning mechanism and a packaging cover body positioning mechanism; and a feeding mechanical arm and a finished product warehouse are arranged on the finished product station. According to the system, automation of the assembling-packaging process is achieved, an efficient and stable production closed loop without manual intervention is constructed through the automatic jig management function of the double-layer backflow conveying line and the finished product work station, and the system has extremely high application value in large-scale hard disk production.

The utility model provides a keycap pulling clip, which comprises two clamping pieces, the middle parts of the two clamping pieces are hinged, each clamping piece comprises a clamping handle, a hinging part and a clamping piece, the two ends of each hinging part are respectively connected with the corresponding clamping handle and the corresponding clamping piece, and the hinging parts of the two clamping pieces are hinged. According to the key cap pulling clamp provided by the utility model, the lever principle is utilized, the operation of pulling out the key caps is labor-saving, the holding part is designed, the holding part is held by a hand during operation, the holding feeling is comfortable, the clamping pieces have various widths, one key cap can be pulled out at one time, and the key caps can be pulled out at one time. The pulled-out keycaps can be accurately arranged and placed in the keycap packaging box; the two clamping pieces are hinged to each other to form a scissor foot structure, the keycaps are pulled out stably and reliably, and the problem that the keycaps are scattered everywhere is solved.

The utility model relates to a packing box which comprises a box body, a lining cover assembly and a box cover assembly, the box body, the lining cover assembly and the box cover assembly define a containing space used for containing a target object, and the box body comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a box body connecting piece which are sequentially connected. The lining cover assembly comprises a first upper lining cover, a second upper lining cover, a first lower lining cover and a second lower lining cover; the box cover assembly comprises a first upper box cover, a second upper box cover, a first lower box cover and a second lower box cover; in the vertical direction, the upper side of the first side plate is connected with the second upper box cover, the lower side of the first side plate is connected with the second lower box cover, the upper side of the second side plate is connected with the second upper lining cover, the lower side of the second side plate is connected with the second lower lining cover, the upper side of the third side plate is connected with the first upper box cover, and the lower side of the third side plate is connected with the first lower box cover. The upper side of the fourth side plate is connected with the first upper lining cover, and the lower side of the fourth side plate is connected with the first lower lining cover.