CN120735262B - A plastic lunch box forming device - Google Patents
A plastic lunch box forming deviceInfo
- Publication number
- CN120735262B CN120735262B CN202511184899.1A CN202511184899A CN120735262B CN 120735262 B CN120735262 B CN 120735262B CN 202511184899 A CN202511184899 A CN 202511184899A CN 120735262 B CN120735262 B CN 120735262B
- Authority
- CN
- China
- Prior art keywords
- rod
- plate
- fixedly installed
- workbench
- forming device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7162—Boxes, cartons, cases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a plastic cutlery box forming device, which belongs to the technical field of plastic cutlery boxes and comprises a workbench, wherein a supporting rod is fixedly arranged on the top wall of the workbench, and a top plate is fixedly arranged at the top end of the supporting rod. This scheme is through setting up the ejector plate, at mounting panel rebound's in-process through gangbar, first rack, first gear, horizon bar drive first bevel gear group and rotate, then drive first threaded rod rebound through the collar at first bevel gear group pivoted in-process, and drive ejector plate rebound through vertical pole at first threaded rod rebound's in-process, then drive the cutlery box rebound after the shaping at ejector plate rebound's in-process, and after the ejector plate gets into the die cavity, external air current can flow into in the die cavity through vertical groove, thereby effectively avoid negative pressure between die cavity and the cutlery box, lead to the cutlery box to damage the production efficiency who influences the cutlery box, the effect of improving cutlery box production efficiency has been played.
Description
Technical Field
The invention relates to the technical field of plastic cutlery boxes, in particular to a plastic cutlery box forming device.
Background
At present, most of plastic cutlery boxes are prepared by driving a male die mechanism to move towards a female die mechanism by a driving mechanism, so that the male die mechanism and the female die mechanism are clamped, and then molten plastic raw materials are injected between the male die mechanism and the female die mechanism by an injection machine, so that injection molding of the plastic cutlery boxes is realized. However, because the high-temperature molten plastic expands with heat and contracts with cold in the cooling process, the molded plastic cutlery box is not easy to separate from the injection mold, so that demolding is difficult, in the prior art, as the mold for producing the plastic cutlery box with the publication number of CN114193708A is respectively inserted into a prying opening by using a tool, the upper mold is pried from the middle mold, but the prying efficiency of the tool is lower, so that the production efficiency of the cutlery box is influenced, the cutlery box is pried out by the tool, the cutlery box is easy to damage, the plastic cutlery box needs to be remelted and molded, and the production efficiency of the cutlery box is further influenced.
In order to solve the problems, the prior art also provides some solutions, for example, chinese patent application with publication number CN115027012A discloses a mould for producing plastic cutlery box, the device automatically ejects the formed plastic cutlery box after mould opening by arranging an ejection mechanism, manual operation is not needed, the cutlery box is prevented from being damaged, and meanwhile, the production efficiency of the cutlery box is improved, but in the actual use process, because negative pressure exists between the formed cutlery box and the inner wall of a mould cavity, when the cutlery box is directly pushed to move by using external force, the cutlery box is deformed at first, and when the negative pressure between the cutlery box and the inner wall of the mould cavity is overlarge, the cutlery box is damaged under the action of the external force, so that the production efficiency of the cutlery box is seriously influenced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a plastic cutlery box forming device which can achieve the purpose of improving cutlery box production efficiency.
In order to solve the problems, the invention adopts the following technical scheme.
The plastic cutlery box forming device comprises a workbench, wherein a supporting rod is fixedly arranged on the top wall of the workbench, a top plate is fixedly arranged on the top end of the supporting rod, a hydraulic rod is uniformly and fixedly arranged on the top plate, a mounting plate is fixedly arranged at the output end of the hydraulic rod, an upper die is fixedly arranged on the mounting plate, a die cavity is formed in the workbench, and an ejection assembly is arranged on the workbench;
the ejection assembly comprises a vertical groove formed in the workbench, an installation cylinder is fixedly installed in the vertical groove, a sliding block is vertically and slidably installed in the installation cylinder, a first threaded rod is fixedly installed on the top wall of the sliding block, a vertical rod is fixedly installed on the top wall of the first threaded rod, an ejection plate is fixedly installed on the top wall of the vertical rod, a driving assembly matched with the first threaded rod is arranged on the installation cylinder, and a feeding pipe is inserted into the upper die;
An elastic pad is mounted between the top wall of the mounting plate and the top plate, a cavity is formed in the elastic pad, an air inlet valve with an input end communicated with the outside is inserted in the cavity, an air cavity is formed in the workbench, an air groove communicated with the air cavity is formed in the air cavity, an air pipe is inserted in the air cavity, an air ventilation assembly is arranged on the top plate, and a filter screen is fixedly mounted in the vertical groove.
Further, the drive assembly is including rotating the collar of installing on the mounting cylinder roof, just collar and first threaded rod screw thread fit, rotate on the lateral wall in vertical groove and install the horizon bar, just install first bevel gear group jointly between horizon bar and the collar, the one end fixed mounting that the collar was kept away from to the horizon bar has first gear, fixed mounting has the gangbar on the diapire of mounting panel, fixed mounting has the first rack with first gear engagement on the diapire of gangbar.
Further, be equipped with on the workstation with liftout plate complex pushing component, pushing component includes symmetry fixed mounting linkage board on the workstation roof, two the bull stick is installed in the joint rotation between the linkage board, rotate on the mounting panel and install the second threaded rod, just rotate jointly between bull stick and the second threaded rod and install the second bevel gear, and two the discharge plate is installed to the joint screw thread on the second threaded rod.
Further, a second gear is fixedly arranged on the rotating rod, and a second rack meshed with the second gear is fixedly arranged on the side wall of the linkage rod.
Further, the ventilation assembly comprises a communication rod vertically and slidably installed on the top plate, a first spring is installed between the communication rod and the top plate, a communication groove is formed in the communication rod, and the air pipe is communicated with the communication groove.
Further, a collecting box is detachably arranged on the side wall of the workbench, and a collecting groove communicated with the collecting box is formed in the side wall of the vertical groove.
Further, a hollow rod is fixedly arranged on the top wall of the mounting ring, a scraping plate is fixedly arranged on the side wall of the hollow rod, and a telescopic pipe which is in running fit with the ejector plate is fixedly arranged on the top wall of the hollow rod.
Further, the bottom wall of the air groove forms an included angle of seventy degrees with the horizontal plane.
Further, limiting blocks are symmetrically and fixedly arranged on the side walls of the discharging plate, and the side walls of the side, far away from the discharging plate, of the limiting blocks are inclined planes.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the scheme, the ejector plate is arranged, the first bevel gear set is driven to rotate through the linkage rod, the first rack, the first gear and the horizontal rod in the process of upward movement of the mounting plate, then the first threaded rod is driven to move upward through the mounting ring in the process of rotation of the first bevel gear set, the ejector plate is driven to move upward through the vertical rod in the process of upward movement of the first threaded rod, then the formed meal box is driven to move upward in the process of upward movement of the ejector plate, and after the ejector plate enters the die cavity, external air flow can flow into the die cavity through the vertical groove, so that negative pressure between the die cavity and the meal box is effectively avoided, the production efficiency of the meal box is influenced due to damage of the meal box, and the effect of improving the production efficiency of the meal box is achieved;
(2) According to the scheme, the discharging plate is arranged, the linkage rod drives the second rack to be in contact with the second gear and drives the second gear to rotate, then the discharging plate is driven to horizontally move along the second threaded rod through the rotating rod, the second bevel gear set and the second threaded rod in the rotation process of the second gear, and is gradually in contact with the cutlery box in the moving process of the discharging plate and drives the cutlery box to move towards the conveying belt, and then the conveying belt can convey the cutlery box to the next step, so that a person does not need to manually take the cutlery box in the whole process, the labor intensity of the staff is reduced, and meanwhile the production efficiency of the cutlery box is further improved;
(3) According to the scheme, the elastic pad is arranged, after the cutlery box is separated from contact with the air groove, the communication groove is communicated with the air pipe, at the moment, air flow in the cavity flows into the air cavity through the communication groove and the air pipe and is blown into the die cavity through the air groove on the air cavity, then flows to the outside through the vertical groove on the bottom wall of the die cavity, and impurities left after the cutlery box is driven to be molded flow to the vertical groove together in the process of flowing to the vertical groove, at the moment, the filter screen can filter the impurities in the air flow, so that time spent by a user is not needed, impurities in the die cavity are manually cleaned, and the production efficiency of the cutlery box is further improved;
(4) This scheme is through setting up the scraper blade, it rotates to drive hollow pole at collar pivoted in-process, and can drive the scraper blade at hollow pole pivoted in-process, then can drive impurity rotation on the filter screen roof at scraper blade pivoted in-process, and drive flexible pipe rotation at hollow pole pivoted in-process, can stretch flexible pipe when the in-process that the ejector plate upwards moved, flexible pipe's setting can avoid impurity to get into the gap between hollow pole and the vertical pole, then impurity through collecting vat to collecting box removal under the effect of centrifugal force, then when need clear up impurity, the user only need take off the collecting box alright accomplish the clearance to impurity, further improved cutlery box's production efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is an enlarged view of the invention at B in FIG. 2;
FIG. 5 is a cross-sectional view of the ejector plate, hollow rod, mounting cylinder, and slider of the present invention;
FIG. 6 is a combination of a second bevel gear, a rotatable rod, and a second threaded rod according to the present invention;
fig. 7 is a combined view of the discharging plate and the limiting block.
The reference numerals in the figures illustrate:
1.2, a supporting rod, 3, a top plate, 4, a hydraulic rod, 5, a mounting plate, 6 and an upper die;
7. the device comprises an ejection assembly 701, a mounting cylinder 702, a vertical groove 703, a sliding block 704, a first threaded rod 705, a vertical rod 706, an ejection plate 707 and a feeding pipe;
8. driving components, 801, mounting rings, 802, horizontal rods, 803, a first bevel gear set, 804, a first gear, 805, a linkage rod, 806 and a first rack;
9. The device comprises a pushing component, a linkage plate, 902, a rotating rod, 903, a second threaded rod, 904, a second bevel gear set, 905, a discharging plate, 906, a second gear, 907 and a second rack;
101. elastic pad 102, air inlet valve 103, air groove 104, air pipe 105, filter screen 106, ventilation component 1061, communication rod 1062, first spring 1063, communication groove;
111. collecting box 112, hollow rod 113, scraper 114, telescopic tube;
12. and a limiting block.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of the present invention.
Referring to fig. 1 to 7, a plastic cutlery box forming device comprises a workbench 1, wherein a supporting rod 2 is fixedly installed on the top wall of the workbench 1, a top plate 3 is fixedly installed on the top end of the supporting rod 2, a hydraulic rod 4 is uniformly and fixedly installed on the top plate 3, a mounting plate 5 is fixedly installed at the output end of the hydraulic rod 4, an upper die 6 is fixedly installed on the mounting plate 5, a die cavity is formed in the workbench 1, and an ejection assembly 7 is arranged on the workbench 1;
The ejection assembly 7 comprises a vertical groove 702 formed in the workbench 1, a mounting cylinder 701 is fixedly mounted in the vertical groove 702, a sliding block 703 is vertically and slidably mounted in the mounting cylinder 701, a first threaded rod 704 is fixedly mounted on the top wall of the sliding block 703, a vertical rod 705 is fixedly mounted on the top wall of the first threaded rod 704, an ejection plate 706 is fixedly mounted on the top wall of the vertical rod 705, a driving assembly 8 matched with the first threaded rod 704 is arranged on the mounting cylinder 701, and a feeding pipe 707 is inserted on the upper die 6;
An elastic pad 101 is jointly installed between the top wall of the mounting plate 5 and the top plate 3, a cavity is formed in the elastic pad 101, an air inlet valve 102 with an input end communicated with the outside is inserted in the cavity, an air cavity is formed in the workbench 1, an air groove 103 communicated with the air cavity is formed in the air cavity, an air pipe 104 is inserted in the air cavity, an air ventilation assembly 106 is arranged on the top plate 3, and a filter screen 105 is fixedly installed in the vertical groove 702.
The driving assembly 8 comprises a mounting ring 801 rotatably mounted on the top wall of the mounting cylinder 701, the mounting ring 801 is in threaded fit with a first threaded rod 704, a horizontal rod 802 is rotatably mounted on the side wall of the vertical groove 702, a first bevel gear set 803 is mounted between the horizontal rod 802 and the mounting ring 801, a first gear 804 is fixedly mounted at one end, far away from the mounting ring 801, of the horizontal rod 802, a linkage rod 805 is fixedly mounted on the bottom wall of the mounting plate 5, and a first rack 806 meshed with the first gear 804 is fixedly mounted on the bottom wall of the linkage rod 805.
The ventilation assembly 106 comprises a communication rod 1061 vertically slidably mounted on the top plate 3, a first spring 1062 is mounted between the communication rod 1061 and the top plate 3, a communication slot 1063 is formed in the communication rod 1061, and the air pipe 104 is communicated with the communication slot 1063.
When in use, the output end of the hydraulic rod 4 drives the upper die 6 to move downwards through the mounting plate 5, the first rack 806 is driven to move downwards through the linkage rod 805 in the process of moving downwards the mounting plate 5, the horizontal rod 802 is driven to rotate through the first gear 804 in the process of moving downwards the first rack 806, the sliding block 703 is vertically matched with the mounting cylinder 701 in a sliding way, the first threaded rod 704 is fixedly connected with the sliding block 703, then the first threaded rod 704 is driven to move downwards through the first bevel gear group 803 and the mounting ring 801 in the process of rotating the horizontal rod 802, the ejector plate 706 is driven to move downwards through the vertical rod 705 in the process of moving downwards the first threaded rod 704, after the upper die 6and the die cavity are closed, a worker can add plastic solution into the die cavity through the feeding pipe 707 to form a meal box, after the meal box is cooled and molded, the user can control the output end of the hydraulic rod 4 to move upwards, the upper die 6 is driven to move upwards through the mounting plate 5 in the process of upward movement of the output end of the hydraulic rod 4 and gradually breaks away from contact with the molded cutlery box, the first bevel gear set 803 is driven to rotate through the linkage rod 805, the first rack 806, the first gear 804 and the horizontal rod 802 in the process of upward movement of the mounting plate 5, then the first threaded rod 704 is driven to move upwards through the mounting ring 801 in the process of rotation of the first bevel gear set 803, the ejector plate 706 is driven to move upwards through the vertical rod 705 in the process of upward movement of the first threaded rod 704, then the molded cutlery box is driven to move upwards in the process of upward movement of the ejector plate 706, and after the ejector plate 706 enters the die cavity, external air flow can flow into the die cavity through the vertical groove 702, so that negative pressure between the die cavity and the cutlery box is effectively avoided, the cutlery box is damaged and the production efficiency of the cutlery box is influenced, playing the role of improving the production efficiency of the cutlery box.
In the process that the hydraulic rod 4 drives the mounting panel 5 to remove, can absorb the vibration that mould 6 received through setting up the elastic cushion 101, thereby the result of use of device has been improved to a certain extent, and in the in-process that mounting panel 5 moved down, the cavity is inhaled from the external world through admission valve 102 on the elastic cushion 101, then the air current in the in-process cavity of mounting panel 5 upwards removes receives the extrusion and has the trend towards the external world, in the in-process that mounting panel 5 moved upwards gradually with the connecting rod 1061, and drive connecting rod 1061 upwards remove, at this moment, first spring 1062 is compressed and has the trend of recovering, and after meal box and air tank 103 break away from the contact, connecting tank 1063 communicates with air pipe 104, the air current in the cavity passes through connecting tank 1063, in the air pipe 104 flows to the air cavity, and blow to the die cavity through air tank 103 on the air cavity, then flow to the external world through vertical groove 702 on the die cavity diapire, and in the in-process that the air current flows to vertical groove 702 that vertical groove 702 in the vertical groove, impurity that can drive the meal box shaping back left behind the time together, the filter the time spent in the air current can be to the air current, thereby the manual production efficiency of filter the filter in the filter screen has been further improved, the time of using the filter screen has been carried out to the manual impurity in the production of the die box.
As shown in fig. 2,3 and 6, the workbench 1 is provided with a pushing assembly 9 matched with the ejector plate 706, the pushing assembly 9 comprises a linkage plate 901 symmetrically and fixedly installed on the top wall of the workbench 1, a rotating rod 902 is installed between the two linkage plates 901 in a rotating manner, a second threaded rod 903 is installed on the mounting plate 5 in a rotating manner, a second bevel gear set 904 is installed between the rotating rod 902 and the second threaded rod 903 in a rotating manner, and a discharging plate 905 is installed on the two second threaded rods 903 in a common thread manner.
A second gear 906 is fixedly installed on the rotating rod 902, and a second rack 907 meshed with the second gear 906 is fixedly installed on the side wall of the linkage rod 805.
Through adopting above-mentioned technical scheme, when mounting panel 5 passes through ejector subassembly 7 drive the cutlery box after the shaping and upwards moves, linkage rod 805 drives second rack 907 upwards and moves, and when ejector plate 706's roof and workstation 1 are level, first rack 806 breaks away from the contact with first gear 804, ejector plate 706 can't continue to upwards move this moment, meanwhile, linkage rod 805 drives second rack 907 and second gear 906 contact, and drive second gear 906 rotation, then drive bull stick 902 rotation at second gear 906 pivoted in-process, and drive second threaded rod 903 rotation through second taper gear set 904 in bull stick 902 pivoted in-process, then drive discharge plate 905 along second threaded rod 903 horizontal migration at second threaded rod 903 pivoted in-process, and gradually with cutlery box contact and drive cutlery box to the conveyer belt in the in-process that discharge plate 905 moved, then the conveyer belt can carry the cutlery box to the next step, and can drive bull stick 907 through second rack 906, bull stick 902, second taper gear set 904, second taper gear set 903 drive the reset staff's that need not to take, thereby the manual labor strength of staff has further been improved, the manual labor intensity of taking the cutlery box has been further improved.
As shown in fig. 2 and 5, the collecting box 111 is detachably mounted on the side wall of the workbench 1, and a collecting groove communicated with the collecting box 111 is formed on the side wall of the vertical groove 702.
A hollow rod 112 is fixedly arranged on the top wall of the mounting ring 801, a scraping plate 113 is fixedly arranged on the side wall of the hollow rod 112, and a telescopic tube 114 which is in running fit with the ejection plate 706 is fixedly arranged on the top wall of the hollow rod 112.
Through adopting above-mentioned technical scheme, drive hollow pole 112 rotation at collar 801 pivoted in-process, and can drive scraper blade 113 rotation at hollow pole 112 pivoted in-process, then can drive the impurity on the filter screen 105 roof at scraper blade 113 pivoted in-process and drive flexible pipe 114 rotation in hollow pole 112 pivoted in-process, can stretch flexible pipe 114 when the in-process that ejector plate 706 moved upwards, flexible pipe 114's setting can avoid impurity entering the gap between hollow pole 112 and the vertical pole 705, then impurity passes through the collecting vat under centrifugal force and moves to collecting box 111, then when need clear up the impurity, the personnel of using only need take off collecting box 111 alright accomplish the clearance to the impurity, further improved cutlery box's production efficiency.
As shown in fig. 3, the bottom wall of the air groove 103 forms an angle of seventy degrees with the horizontal plane.
Through adopting above-mentioned technical scheme, in the in-process that the air current flows to the die cavity through air tank 103, through making air tank 103 diapire and horizontal groove seventy degrees contained angles, can make the air current slope downwardly flowing to the clearance effect of air current to the die cavity has been improved.
As shown in fig. 7, the side walls of the discharging plate 905 are symmetrically and fixedly provided with limiting blocks 12, and the side wall of the side of the limiting block 12 far away from the discharging plate 905 is an inclined surface.
Through adopting above-mentioned technical scheme, at the in-process that discharge plate 905 drove cutlery box removal, can carry out spacingly to the cutlery box through setting up stopper 12 to avoid cutlery box skew, and through making the lateral wall of stopper 12 be the inclined plane, can be convenient for promote the cutlery box and be located between two stoppers 12.
When the plastic lunch box is used, the output end of the hydraulic rod 4 drives the upper die 6 to move downwards through the mounting plate 5, after the die assembly of the upper die 6 and the die cavity is finished, a worker can add plastic solution into the die cavity through the feeding pipe 707 to form a lunch box, after the lunch box is cooled and molded, the mounting plate 5 drives the first threaded rod 704 to move upwards through the linkage rod 805, the first rack 806, the first gear 804, the horizontal rod 802, the first bevel gear group 803 and the mounting ring 801, the ejector plate 706 is driven to move upwards through the vertical rod 705 in the process of moving the first threaded rod 704, then the molded lunch box is driven to move upwards in the process of moving the ejector plate 706 upwards, and external air flow can flow into the die cavity through the vertical groove 702 after the ejector plate 706 enters the die cavity.
Then the linkage rod 805 drives the second rack 907 to contact with the second gear 906 and drive the second gear 906 to rotate, then drives the rotating rod 902 to rotate in the process of rotating the second gear 906, drives the second threaded rod 903 to rotate through the second bevel gear set 904 in the process of rotating the rotating rod 902, then drives the discharging plate 905 to horizontally move along the second threaded rod 903 in the process of rotating the second threaded rod 903, and gradually contacts with the cutlery box in the process of moving the discharging plate 905 and drives the cutlery box to move towards the conveying belt.
In addition, after the cutlery box breaks away from contact with air groove 103, intercommunication groove 1063 communicates with trachea 104, and the air current in the cavity flows to the air cavity in this moment through intercommunication groove 1063, trachea 104 to blow to the die cavity in through air groove 103 on the air cavity, then flows to the external world through vertical groove 702 on the die cavity diapire, and in the in-process that the air current flows to vertical groove 702, can drive the impurity that leaves after the cutlery box shaping together to flow to vertical groove 702.
Finally, the hollow rod 112 is driven to rotate in the process of rotating the mounting ring 801, the scraping plate 113 can be driven to rotate in the process of rotating the hollow rod 112, then impurities on the top wall of the filter screen 105 can be driven to rotate in the process of rotating the scraping plate 113, the telescopic tube 114 is driven to rotate in the process of rotating the hollow rod 112, the telescopic tube 114 can be stretched in the process of moving the ejection plate 706 upwards, impurities can be prevented from entering a gap between the hollow rod 112 and the vertical rod 705 by the arrangement of the telescopic tube 114, and then the impurities move into the collection box 111 through the collection groove under the action of centrifugal force.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511184899.1A CN120735262B (en) | 2025-08-22 | 2025-08-22 | A plastic lunch box forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511184899.1A CN120735262B (en) | 2025-08-22 | 2025-08-22 | A plastic lunch box forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120735262A CN120735262A (en) | 2025-10-03 |
| CN120735262B true CN120735262B (en) | 2025-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511184899.1A Active CN120735262B (en) | 2025-08-22 | 2025-08-22 | A plastic lunch box forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120735262B (en) |
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| WO2016208895A1 (en) * | 2015-06-26 | 2016-12-29 | 신우코스텍(주) | Container manufacturing apparatus |
| JP2021160272A (en) * | 2020-03-31 | 2021-10-11 | 住友重機械工業株式会社 | Injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220261733U (en) * | 2023-07-05 | 2023-12-29 | 文秋(杭州)包装科技有限公司 | Plastic snack box forming device |
| CN220841292U (en) * | 2023-09-19 | 2024-04-26 | 安徽鸿叶纸塑包装制品有限公司 | A disposable lunch box injection molding device |
| CN118024490B (en) * | 2024-04-12 | 2024-06-07 | 河北津合科技有限公司 | Plastic cutlery box forming device |
| CN118990921B (en) * | 2024-09-30 | 2025-03-14 | 江苏天之泽生态科技有限公司 | Plastic cutlery box forming device |
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2025
- 2025-08-22 CN CN202511184899.1A patent/CN120735262B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016208895A1 (en) * | 2015-06-26 | 2016-12-29 | 신우코스텍(주) | Container manufacturing apparatus |
| JP2021160272A (en) * | 2020-03-31 | 2021-10-11 | 住友重機械工業株式会社 | Injection molding machine |
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