CN111516038A

CN111516038A - Manufacturing process of sterile plastic packaging box

Info

Publication number: CN111516038A
Application number: CN202010549176.8A
Authority: CN
Inventors: 朱昌; 王宇豪; 徐发
Original assignee: Hefei Desheng Packaging Materials Co ltd
Current assignee: Hefei Desheng Packaging Materials Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-08-11

Abstract

The invention belongs to the technical field of packaging processing, and particularly relates to a manufacturing process of an aseptic plastic packaging box, which is completed by matching an aseptic plastic packaging box manufacturing device, and comprises the following steps: step one, fixing a packaging box: horizontally placing a primary processed product of the sterile plastic packaging box on the upper surface of a gear plate with an opening facing downwards, and carrying out support in the horizontal direction and compression in the vertical direction; step two, primary cutting treatment: the sterile plastic packaging box primary processed product is driven to rotate by a first motor; cutting the edge to be flush by a first cutting mechanism; step three, secondary cutting treatment: cutting the edge at the edge into a round edge by a second cutting mechanism; step four, polishing treatment: the third motor drives the grinding roller to rotate to grind the fillet edge. The invention ensures that the edges of the cut primary processed product of the sterile plastic packaging box are flush, reduces the scraps generated during polishing and prevents the scraps from entering the interior of the primary processed product of the sterile plastic packaging box.

Description

Manufacturing process of sterile plastic packaging box

Technical Field

The invention belongs to the technical field of packaging processing, and particularly relates to a manufacturing process of a sterile plastic packaging box.

Background

Aseptic plastic packaging boxes are generally made of polypropylene materials and are widely applied to the field of food packaging. Cutlery box is the common aseptic plastic packaging box in life, makes the primary processing article by the blow molding usually, and the edge of primary processing article turns over down, need cut its edge for the edge parallel and level is smooth. At present, the edge of a primary processed product of a sterile plastic packaging box is cut by a blade manually, and then the cut edge is polished; the method has low processing efficiency in the actual production process and also has the following problems: (1) the manual cutting is difficult to ensure that the edge of the primary processed product of the sterile plastic packaging box is cut to be level, thus causing adverse effect on the processing quality; (2) the artifical edge to aseptic plastic packaging box primary processing article can produce a large amount of pieces in the in-process of polishing, and the piece can fall into aseptic plastic packaging box inside, causes the pollution to aseptic plastic packaging box inside.

Disclosure of Invention

Technical problem to be solved

The invention provides a manufacturing process of a sterile plastic packaging box, and aims to solve the following problems existing in the prior art that the edge of a primary processed product of the sterile plastic packaging box is cut by a blade manually and then the cut edge is polished: (1) the manual cutting is difficult to ensure that the edge of the primary processed product of the sterile plastic packaging box is cut to be level, thus causing adverse effect on the processing quality; (2) the artifical edge to aseptic plastic packaging box primary processing article can produce a large amount of pieces in the in-process of polishing, and the piece can fall into aseptic plastic packaging box inside, causes the pollution to aseptic plastic packaging box inside.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

the sterile plastic packaging box manufacturing process is completed by adopting the sterile plastic packaging box manufacturing device in a matching mode, the sterile plastic packaging box manufacturing device comprises a horizontal bottom plate, four arc-shaped plates are vertically installed on the upper surface of the bottom plate in a rotating mode, a gear disc is horizontally and fixedly installed at the top of each arc-shaped plate, and an installation column which is coaxial with the gear disc is horizontally and fixedly installed on the top surface of the gear disc. Evenly seted up four horizontally square grooves along its circumference in the erection column, there is square post along the radial sliding fit of erection column in the square groove, square post outer end fixed mounting have with the horizontal sliding fit's of toothed disc top surface rubber slab, the rubber slab lateral surface mutually supports with aseptic plastic packaging box medial surface. The upper surface of the bottom plate is fixedly provided with a pressing mechanism through a vertical plate. The upper surface of the bottom plate is provided with a first motor through the vertical fixed mounting of a motor base, and a first gear meshed with the gear disc is fixedly mounted on an output shaft of the first motor. Three bases are installed around the toothed disc to the bottom plate upper surface, and the base upper surface is passed through the backup pad and is installed first lead screw along the radial rotation of erection column. The base upper surface has the slider along the radial sliding fit of erection column, and first lead screw runs through the slider and passes through screw thread normal running fit with the slider. And a first cutting mechanism, a second cutting mechanism and a polishing mechanism are sequentially arranged on the three sliding blocks. The supporting plate is provided with a second motor, and the output end of the second motor is fixedly connected with the first lead screw. The opening of the primary processed product of the aseptic plastic packaging box is horizontally placed on the upper surface of the gear plate downwards, and the four rubber plates are pushed to synchronously and horizontally slide through the four square columns until the outer side surfaces of the rubber plates abut against the inner side surfaces of the aseptic plastic packaging box. Downward pressure is applied to the bottom surface of the primary processed product of the sterile plastic packaging box through the pressing mechanism, so that the primary processed product of the sterile plastic packaging box is pressed on the upper surface of the gear plate. The first gear is driven to rotate through the first motor, so that the arc-shaped plate, the gear disc, the mounting column and the primary processed product of the sterile plastic packaging box are driven to synchronously rotate. The first lead screw is driven to rotate through the second motor, so that the sliding block is driven to slide along the radial direction of the mounting column, and the first cutting mechanism, the second cutting mechanism and the polishing mechanism are driven to process the horizontally-rotating sterile plastic packaging box primary processed product.

The first cutting mechanism comprises a vertical column fixedly mounted on the sliding block, and a first cutting knife is horizontally and fixedly mounted on the vertical column. The first cutter touches the edge of the primary product of the aseptic plastic packaging box and cuts the edge into a horizontal ring shape. The second cutting mechanism comprises a first arc-shaped guide plate fixedly mounted on the sliding block, a first electric sliding block is slidably mounted on the first guide plate, and a second cutting knife is fixedly mounted on the inner side surface of the first electric sliding block. First electronic slider drives the second cutting knife along the arc and cuts aseptic plastic packaging box primary processing article's edge along first deflector slip in-process, and the edges and corners limit processing that will aseptic plastic packaging box primary processing article edge becomes the fillet limit. The grinding mechanism comprises an arc-shaped second guide plate fixedly mounted on the sliding block, and a second electric sliding block is slidably mounted on the second guide plate. The outer side surface of the second electric sliding block is fixedly provided with a third motor, and the inner side surface of the second electric sliding block is rotatably provided with a polishing roller fixedly connected with the output end of the third motor. The grinding roller is driven to rotate at a high speed by a third motor. The second electric sliding block drives the grinding roller to grind the fillet edge of the primary processed product of the sterile plastic packaging box along the arc shape in the sliding process of the second guide plate.

The manufacturing process of the sterile plastic packaging box comprises the following steps:

step one, fixing a packaging box: the opening of the primary processed product of the sterile plastic packaging box is horizontally placed on the upper surface of the gear plate downwards, and the rubber plate is pushed by the square column to support the inner side surface of the sterile plastic packaging box in the horizontal direction. The aseptic plastic packaging box is pressed on the upper surface of the gear plate through the pressing mechanism.

Step two, primary cutting treatment: the gear disc, the mounting column and the primary processed product of the sterile plastic packaging box are driven to integrally rotate through the first motor. The first cutting mechanism is driven by the second motor to slide along the radial inner side of the mounting column until the first cutting knife cuts the edge of the primary processed product of the sterile plastic packaging box to be level.

Step three, secondary cutting treatment: and the second motor drives the second cutting mechanism to slide along the radial inner side of the mounting column. Drive the second cutting knife through first electronic slider and move along first deflector, cut into the fillet limit through the edge at the preliminary work product edge of second cutting knife with aseptic plastic packaging box.

Step four, polishing treatment: and the second motor drives the grinding mechanism to slide along the radial inner side of the mounting column. The second electric slide block drives the grinding roller to move along the second guide plate. The third motor drives the grinding roller to rotate to grind the round corner edge at the edge of the primary processed product of the sterile plastic packaging box.

As a preferred technical scheme of the invention, the pressing mechanism comprises a horizontal top plate, an accommodating groove, a pressing disc, an annular limiting groove, a ball and a threaded column. Roof and vertical board top fixed connection, the vertical circular shape holding tank of having seted up of roof lower surface, vertical slidable mounting has the circular shape to compress tightly the dish in the holding tank, compresses tightly the dish coaxial with the erection column. An annular limiting groove coaxial with the accommodating groove is formed in the side wall of the accommodating groove, and a plurality of balls in rolling fit with the side wall of the annular limiting groove are uniformly arranged on the outer side surface of the pressing disc along the circumferential direction of the outer side surface of the pressing disc. The upper surface of the pressing disc is vertically and rotatably provided with a threaded column coaxial with the pressing disc, the threaded column vertically penetrates through the top plate and is in threaded rotation fit with the top plate, and a knob is fixedly arranged at the top of the threaded column. The outer side surface of the rubber plate is abutted against the inner side surface of the primary processing product of the sterile plastic packaging box and is fixed in the horizontal direction, the rotary knob drives the threaded column to rotate downwards, the threaded column rotates downwards and meanwhile pushes the pressing disc to move downwards, and the lower surface of the pressing disc is abutted against the primary processing product of the sterile plastic packaging box. And in the process that the pressing plate moves downwards, the ball rolls downwards along the side wall of the annular limiting groove. The aseptic plastic packaging box preform is pressed on the top surface of the gear plate by the vertical downward pressing force applied to the aseptic plastic packaging box preform by the pressing plate, so that the aseptic plastic packaging box preform can be driven to synchronously rotate when the gear plate rotates. When the primary processed product of the sterile plastic packaging box rotates, the pressing disc is driven to synchronously rotate by the static friction force between the primary processed product and the pressing disc; and in the rotating process of the pressing disc, the ball rolls horizontally along the side wall of the annular limiting groove.

As a preferable technical scheme of the invention, a plurality of first rubber strips along the radial direction of the pressing disc are uniformly and fixedly attached to the lower surface of the pressing disc, so that the static friction force between the lower surface of the pressing disc and the primary processed product of the sterile plastic packaging box is increased, the synchronous rotation of the pressing disc can be driven when the primary processed product of the sterile plastic packaging box rotates, and the slipping is avoided.

As a preferred technical scheme of the invention, a plurality of vertical second rubber strips are uniformly and fixedly attached to the outer side surface of the rubber plate so as to increase the friction force between the rubber plate and the inner side surface of the primary product of the sterile plastic packaging box, ensure that the mounting column, the square column and the rubber plate can drive the primary product of the sterile plastic packaging box to synchronously rotate when rotating, and avoid slipping.

As a preferable technical scheme of the invention, rotating shafts coaxial with the gear disc and the mounting column are vertically and rotatably arranged in the gear disc and the mounting column, and a first bevel gear positioned in the mounting column is horizontally and fixedly arranged on the rotating shafts. Four installation shafts are horizontally and rotatably installed in the installation columns through the support, and the axis direction of the installation shafts is consistent with the sliding direction of the square columns. The inner end of the mounting shaft is fixedly provided with a second bevel gear which is meshed with the first bevel gear, and the outer end of the mounting shaft is fixedly provided with a second gear. The inner end of the square column is rotatably provided with a threaded rod positioned in the mounting column, and the inner end of the threaded rod is fixedly provided with a gear column which is coaxial with the threaded rod and is mutually meshed with the second gear. The axis of threaded rod is parallel to the axis of installation axle each other, and the threaded rod is through screw thread normal running fit with the erection column is inside. The first bevel gear is driven to rotate positively through the positive rotation rotating shaft, and the first bevel gear drives the second bevel gear, the mounting shaft and the second gear to rotate. The second gear wheel rotates the in-process and drives gear post and threaded rod and rotate, and the threaded rod rotates the horizontal outside removal that the process promoted square post to ensure four rubber slab horizontal synchronization removal, further make aseptic plastic packaging box primary processing article can reach the coaxial state with the erection column. The first bevel gear is driven to rotate reversely through the reverse rotation rotating shaft, the square column is driven to move horizontally inwards, and horizontal support on a primary processed product of the sterile plastic packaging box is removed.

As a preferred technical scheme of the invention, the bottom end of the rotating shaft is fixedly connected with a second lead screw coaxial with the rotating shaft, the lower surface of the gear disc is vertically and fixedly provided with a limiting rod around the second lead screw, and the limiting rod is vertically and slidably matched with an installation block. The second lead screw penetrates through the mounting block and is in rotating fit with the mounting block through threads. Four air grooves which are communicated up and down are uniformly formed in the gear disc along the circumferential direction of the gear disc, the middle of each air groove is in a horizontal shape, and the middle of each air groove is horizontally matched with an iron sealing block in a sliding manner. The horizontal slidable mounting of gear dish lower surface along gas tank middle part direction has the magnet piece, and the leading wheel is installed through the support to the gear dish lower surface, the one end of fixed connection haulage rope on the magnet piece, and fixed connection is on the installation piece behind the leading wheel to the other end of haulage rope. The supporting block is fixedly arranged on the lower surface of the gear disc, and the spring is horizontally arranged between the supporting block and the magnet block along the sliding direction of the magnet block. When the rotating shaft is rotated forwards, the second lead screw synchronously rotates forwards, so that the mounting block is driven to vertically move downwards along the limiting rod, and the magnet block is pulled by the pulling rope to slide inwards. When the magnet blocks slide inwards, the sealing blocks are driven to slide inwards along the air groove horizontally through the magnetic action, and the springs are stretched. The inside atmospheric pressure of aseptic plastic packaging box primary processing article has been reduced to the inboard slip in-process along the gas tank level to the sealed piece for aseptic plastic packaging box primary processing article inside atmospheric pressure is less than external atmospheric pressure, supports aseptic plastic packaging box primary processing article through the atmospheric pressure effect and presses at the toothed disc upper surface, and the piece of further having avoided the in-process of polishing gets into inside aseptic plastic packaging box primary processing article. After the cutting is polished, the second lead screw is rotated in the opposite direction, the mounting block is driven to move upwards vertically, the magnet block is pulled to slide towards the outside under the action of the elastic force of the spring, and the sealing block is driven to slide towards the outside along the air groove level under the action of the magnetic force when the magnet block slides towards the outside. The inside atmospheric pressure of aseptic plastic packaging box primary processing article has been increased to the outside slip in-process along the gas tank level to sealed piece for the inside atmospheric pressure of aseptic plastic packaging box primary processing article resumes to initial numerical value, thereby has contacted the pressure effect and has compressed tightly the effect to aseptic plastic packaging box primary processing article.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) the invention solves the following problems when the edge of the primary processed product of the sterile plastic packaging box is cut by a blade manually and then the cut edge is polished: the manual cutting is difficult to ensure that the edge of the primary processed product of the sterile plastic packaging box is cut to be level, thus causing adverse effect on the processing quality; the artifical edge to aseptic plastic packaging box primary processing article can produce a large amount of pieces in the in-process of polishing, and the piece can fall into aseptic plastic packaging box inside, causes the pollution to aseptic plastic packaging box inside.

(2) According to the sterile plastic packaging box manufacturing device, the sterile plastic packaging box primary processed product is supported in the vertical direction through the gear disc, and the sterile plastic packaging box primary processed product is supported in the horizontal direction through the rubber plate, so that the gear disc can drive the sterile plastic packaging box primary processed product to synchronously and horizontally rotate; and the edge of the primary processed product of the aseptic plastic packaging box which rotates horizontally is horizontally cut by the first cutting knife, so that the edge of the primary processed product of the aseptic plastic packaging box after cutting is parallel and level.

(3) According to the sterile plastic packaging box manufacturing device, after the edges of the primary processed products of the sterile plastic packaging box are cut to be flush by the first cutting knife, the edges of the edges are cut into the round edges by the second cutting knife, and finally the round edges are polished by the polishing roller, so that compared with the mode that the edges are directly polished, fragments falling from the edges of the primary processed products of the sterile plastic packaging box are greatly reduced; and in the cutting and polishing processes, the primary processed product of the sterile plastic packaging box is tightly propped against the upper surface of the gear plate through the air pressure action and the pressing mechanism, so that the chips are prevented from entering the interior of the primary processed product of the sterile plastic packaging box.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a step diagram of a process for manufacturing a sterile plastic packaging box according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a first perspective view of an apparatus for making aseptic plastic packages in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second perspective view of an apparatus for manufacturing a sterile plastic packaging box according to an embodiment of the present invention;

FIG. 4 is a side view of an embodiment of the present invention showing the apparatus for manufacturing aseptic plastic packages in operation;

FIG. 5 is a front view of the apparatus for manufacturing aseptic plastic packages according to the embodiment of the present invention in an operating state;

FIG. 6 is an enlarged schematic view of the apparatus for manufacturing the aseptic plastic packaging box according to the embodiment of the present invention at the A position;

FIG. 7 is a schematic view of the internal structure of a gear plate and a mounting post of the device for manufacturing sterile plastic packaging boxes in the embodiment of the invention;

FIG. 8 is a schematic view of the internal structure of the pressing mechanism of the device for manufacturing sterile plastic packaging boxes in the embodiment of the present invention.

In the figure: 1-bottom plate, 2-arc plate, 3-gear plate, 4-mounting column, 5-square column, 6-rubber plate, 7-hold-down mechanism, 71-top plate, 72-holding tank, 73-hold-down plate, 74-annular limit tank, 75-ball, 76-threaded column, 77-first rubber strip, 8-first motor, 9-first gear, 10-base, 11-first lead screw, 12-sliding block, 13-first cutting mechanism, 131-vertical column, 132-first cutting knife, 14-second cutting mechanism, 141-first guide plate, 142-first electric sliding block, 143-second cutting knife, 15-grinding mechanism, 151-second guide plate, 152-second electric sliding block, 153-third motor, 154-grinding roller, 16-second motor, 17-second rubber strip, 18-rotating shaft, 19-first bevel gear, 20-mounting shaft, 21-second bevel gear, 22-second gear, 23-threaded rod, 24-gear column, 25-second lead screw, 26-limiting rod, 27-mounting block, 28-air groove, 29-sealing block, 30-magnet block, 31-guide wheel, 32-traction rope, 33-supporting block and 34-spring.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 2 to 8, the present embodiment provides a device for manufacturing an aseptic plastic packaging box, which includes a horizontal bottom plate 1, four arc plates 2 are vertically and rotatably installed on the upper surface of the bottom plate 1, a gear plate 3 is horizontally and fixedly installed on the top of each arc plate 2, and a mounting column 4 coaxial with the gear plate 3 is horizontally and fixedly installed on the top of the gear plate 3. Evenly seted up four horizontally square grooves along its circumference in the erection column 4, square inslot has square post 5 along 4 radial sliding fit of erection column, 5 outer end fixed mounting of square post have with 3 top surface horizontal sliding fit's of toothed

disc rubber slab

6, 6 lateral surfaces of rubber slab mutually support with aseptic plastic packaging box medial surface, 6 lateral surfaces of rubber slab are fixed with the vertical second rubber strip 17 of a plurality of subsides evenly, with the frictional force between increase rubber slab 6 and the aseptic plastic packaging box preform medial surface, ensure erection column 4, can drive aseptic plastic packaging box preform synchronous rotation when square post 5 and rubber slab 6 rotate, avoid skidding. The upper surface of the bottom plate 1 is fixedly provided with a pressing mechanism 7 through a vertical plate. The upper surface of the bottom plate 1 is provided with a first motor 8 through the vertical fixed mounting of a motor base, and a first gear 9 meshed with the gear disc 3 is fixedly mounted on an output shaft of the first motor 8. Three base 10 are installed around the toothed disc 3 to bottom plate 1 upper surface, and base 10 upper surface is installed first lead screw 11 through the backup pad along the radial rotation of erection column 4. The upper surface of the base 10 is provided with a sliding block 12 in a sliding fit along the radial direction of the mounting column 4, and the first lead screw 11 penetrates through the sliding block 12 and is in rotating fit with the sliding block 12 through threads. The three sliders 12 are sequentially provided with a first cutting mechanism 13, a second cutting mechanism 14 and a grinding mechanism 15. The supporting plate is provided with a second motor 16, and the output end of the second motor 16 is fixedly connected with the first lead screw 11. The opening of the primary processed product of the aseptic plastic packaging box is horizontally placed on the upper surface of the gear plate 3 downwards, and then the four rubber plates 6 are pushed to synchronously and horizontally slide through the four square columns 5 until the outer side surfaces of the rubber plates 6 abut against the inner side surfaces of the aseptic plastic packaging box. Downward pressure is applied to the bottom surface of the primary processed product of the sterile plastic packaging box through the pressing mechanism 7, so that the primary processed product of the sterile plastic packaging box is pressed on the upper surface of the gear plate 3. Drive first gear 9 through first motor 8 and rotate to drive arc 2, toothed disc 3, erection column 4 and aseptic plastic packaging box primary processing article synchronous rotation. The first lead screw 11 is driven to rotate by the second motor 16, so that the sliding block 12 is driven to slide along the mounting column 4 in the radial direction, and the first cutting mechanism 13, the second cutting mechanism 14 and the grinding mechanism 15 are driven to process the primary processed product of the aseptic plastic packaging box rotating horizontally.

The first cutting mechanism 13 includes a vertical column 131 fixedly mounted on the sliding block 12, and a first cutting knife 132 is horizontally and fixedly mounted on the vertical column 131. The first cutter 132 is brought into contact with the edge of the preform of the aseptic plastic packaging box and then cuts the edge into a horizontal ring shape. The second cutting mechanism 14 includes an arc-shaped first guide plate 141 fixedly mounted on the slider 12, a first electric slider 142 is slidably mounted on the first guide plate 141, and a second cutting knife 143 is fixedly mounted on an inner side surface of the first electric slider 142. The first electric slider 142 drives the second cutter 143 to cut the edge of the primary product of the aseptic plastic packaging box along the arc in the sliding process of the first guide plate 141, and the edge of the primary product of the aseptic plastic packaging box is processed into a fillet edge. The grinding mechanism 15 includes an arc-shaped second guide plate 151 fixedly mounted on the sliding block 12, and a second electric sliding block 152 is slidably mounted on the second guide plate 151. A third motor 153 is fixedly mounted on the outer side surface of the second electric sliding block 152, and a polishing roller 154 fixedly connected with the output end of the third motor 153 is rotatably mounted on the inner side surface of the second electric sliding block 152. The grinding roller 154 is rotated at a high speed by the third motor 153. The second electric slider 152 drives the grinding roller 154 to grind the round edge of the primary product of the aseptic plastic packaging box along the arc shape during the sliding process along the second guide plate 151.

As a preferred technical solution of the present invention, the pressing mechanism 7 includes a horizontal top plate 71, a receiving groove 72, a pressing disc 73, an annular limiting groove 74, a ball 75 and a threaded column 76. The top plate 71 is fixedly connected with the top end of the vertical plate, a circular accommodating groove 72 is vertically formed in the lower surface of the top plate 71, a circular pressing disc 73 is vertically and slidably mounted in the accommodating groove 72, and the pressing disc 73 is coaxial with the mounting column 4. An annular limiting groove 74 coaxial with the accommodating groove 72 is formed in the side wall of the accommodating groove 72, and a plurality of balls 75 in rolling fit with the side wall of the annular limiting groove 74 are uniformly arranged on the outer side surface of the pressing disc 73 along the circumferential direction of the outer side surface. The upper surface of the pressing disc 73 is vertically and rotatably provided with a threaded column 76 which is coaxial with the pressing disc, the threaded column 76 vertically penetrates through the top plate 71 and is in threaded rotation fit with the top plate 71, and the top of the threaded column 76 is fixedly provided with a knob. The lower surface of the pressing disc 73 is uniformly and fixedly attached with a plurality of first rubber strips 77 along the radial direction of the pressing disc, so that the static friction between the lower surface of the pressing disc 73 and the primary processed product of the sterile plastic packaging box is increased, the synchronous rotation of the pressing disc 73 can be driven when the primary processed product of the sterile plastic packaging box rotates, and the slipping is avoided. After the outer side surface of the rubber plate 6 is abutted against the inner side surface of the primary processed product of the sterile plastic packaging box and is fixed in the horizontal direction, the threaded column 76 is driven to rotate downwards by rotating the knob, and the pressing disc 73 is pushed to move downwards while the threaded column 76 rotates downwards until the lower surface of the pressing disc 73 abuts against the primary processed product of the sterile plastic packaging box. During the downward movement of the pressing plate 73, the balls 75 roll downward along the side wall of the annular stopper groove 74. The initial product of the sterile plastic packaging box is pressed on the top surface of the gear plate 3 by the vertical downward pressing force applied to the initial product of the sterile plastic packaging box by the pressing plate 73, so that the initial product of the sterile plastic packaging box can be driven to synchronously rotate when the gear plate 3 rotates. When the primary processed product of the sterile plastic packaging box rotates, the pressing disc 73 is driven to synchronously rotate by the static friction force between the primary processed product and the pressing disc 73; during rotation of the pressing plate 73, the balls 75 roll horizontally along the side wall of the annular limiting groove 74.

In the embodiment, a rotating shaft 18 coaxial with the gear disc 3 and the mounting column 4 is vertically and rotatably mounted inside the mounting column 4, and a first bevel gear 19 positioned inside the mounting column 4 is horizontally and fixedly mounted on the rotating shaft 18. Four mounting shafts 20 are horizontally and rotatably mounted in the mounting column 4 through a bracket, and the axial direction of the mounting shafts 20 is consistent with the sliding direction of the square column 5. A second bevel gear 21 meshed with the first bevel gear 19 is fixedly arranged at the inner end of the mounting shaft 20, and a second gear 22 is fixedly arranged at the outer end of the mounting shaft 20. The inner end of the square column 5 is rotatably provided with a threaded rod 23 positioned inside the mounting column 4, and the inner end of the threaded rod 23 is fixedly provided with a gear column 24 which is coaxial with the threaded rod and is mutually meshed with the second gear 22. The axis of the threaded rod 23 is parallel to the axis of the mounting shaft 20, and the threaded rod 23 is in threaded rotation fit with the inside of the mounting column 4. The first bevel gear 19 is driven to rotate in the forward direction by rotating the rotating shaft 18 in the forward direction, and the second bevel gear 21, the mounting shaft 20 and the second gear 22 are driven to rotate by the first bevel gear 19. Second gear 22 rotates the in-process and drives gear post 24 and threaded rod 23 and rotate, and threaded rod 23 rotates the horizontal outside removal of process promotion square post 5 to ensure the horizontal synchronous motion of four rubber slabs 6, further make aseptic plastic packaging box primary processing article can reach the state coaxial with erection column 4. The first bevel gear 19 is driven to rotate reversely by the reverse rotation rotating shaft 18, the square column 5 is driven to move horizontally inwards, and the horizontal support of the primary processed product of the sterile plastic packaging box is removed.

In this embodiment, the bottom end of the rotating shaft 18 is fixedly connected with a second lead screw 25 coaxial therewith, the lower surface of the gear plate 3 is vertically and fixedly provided with a limiting rod 26 around the second lead screw 25, and the limiting rod 26 is vertically and slidably fitted with a mounting block 27. The second lead screw 25 extends through the mounting block 27 and is in threaded rotational engagement with the mounting block 27. Four air grooves 28 which are communicated up and down are uniformly formed in the gear disc 3 along the circumferential direction of the gear disc, the middle parts of the air grooves 28 are horizontal, and the middle parts of the air grooves 28 are horizontally matched with an iron sealing block 29 in a sliding manner. The magnet piece 30 is installed along the horizontal slidable of air duct 28 middle part direction to the lower surface of toothed disc 3, and leading wheel 31 is installed through the support to the lower surface of toothed disc 3, and the one end of fixed connection haulage rope 32 on the magnet piece 30, the other end of haulage rope 32 is fixed connection on installation piece 27 behind leading wheel 31. A supporting block 33 is fixedly arranged on the lower surface of the gear plate 3, and a spring 34 is horizontally arranged between the supporting block 33 and the magnet block 30 along the sliding direction of the magnet block 30. When the rotating shaft 18 is rotated in the forward direction, the second lead screw 25 synchronously rotates in the forward direction, so that the mounting block 27 is driven to move vertically downwards along the limiting rod 26, and the magnet block 30 is pulled to slide inwards through the traction rope 32. When the magnet block 30 slides inward, the seal block 29 is moved by magnetic force to slide horizontally inward along the air groove 28, thereby stretching the spring 34. The inside atmospheric pressure of aseptic plastic packaging box primary processing article has been reduced to the inboard slip in-process along the gas tank 28 level to sealing block 29 for the inside atmospheric pressure of aseptic plastic packaging box primary processing article is less than external atmospheric pressure, supports aseptic plastic packaging box primary processing article through the atmospheric pressure effect and presses at the toothed disc 3 upper surface, has further avoided the piece of the in-process of polishing to get into inside aseptic plastic packaging box primary processing article. After cutting and polishing are finished, the second lead screw 25 is rotated reversely to drive the mounting block 27 to move vertically upwards, the magnet block 30 is pulled to slide outwards by the elastic force of the spring 34, and the sealing block 29 is driven to slide outwards horizontally along the air groove 28 by the magnetic force when the magnet block 30 slides outwards. The sealing block 29 has increased the inside atmospheric pressure of aseptic plastic packaging box primary processing article along the horizontal outside slip in-process of air duct 28 for the inside atmospheric pressure of aseptic plastic packaging box primary processing article resumes to initial numerical value, thereby has contacted the pressure effect and has compressed tightly the effect to aseptic plastic packaging box primary processing article.

As shown in fig. 1, the present embodiment provides a manufacturing process of an aseptic plastic package box, which is completed by using the above manufacturing apparatus of an aseptic plastic package box, and the manufacturing process of an aseptic plastic package box includes the following steps:

step one, fixing a packaging box: the opening of the primary processed product of the sterile plastic packaging box is horizontally placed on the upper surface of the gear plate 3 downwards, the first bevel gear 19 is driven to rotate in the forward direction by rotating the rotating shaft 18 in the forward direction, and the second bevel gear 21, the mounting shaft 20 and the second gear 22 are driven to rotate by the first bevel gear 19. Second gear 22 rotates the in-process and drives gear post 24 and threaded rod 23 and rotate, and threaded rod 23 rotates the horizontal outside removal of process promotion square post 5 to ensure the horizontal synchronous movement of four rubber slabs 6, carry out the support of horizontal direction to aseptic plastic packaging box medial surface through rubber slab 6. The aseptic plastic packaging box is pressed on the upper surface of the gear plate 3 through a pressing mechanism 7.

Step two, primary cutting treatment: the gear disc 3, the mounting column 4 and the primary processed product of the sterile plastic packaging box are driven to integrally rotate by the first motor 8. The first cutting mechanism 13 is driven by the second motor 16 to slide radially inwardly along the mounting post 4 until the first cutter 132 cuts the edge of the preform of the aseptic plastic packaging box flush.

Step three, secondary cutting treatment: the second cutting mechanism 14 is driven by a second motor 16 to slide radially inwardly along the mounting post 4. The second cutting knife 143 is driven by the first electric slider 142 to move along the first guide plate 141, and the edge at the edge of the preliminary processed product of the aseptic plastic packaging box is cut into a round edge by the second cutting knife 143.

Step four, polishing treatment: the grinding mechanism 15 is driven by a second motor 16 to slide radially inwardly along the mounting post 4. The grinding roller 154 is moved along the second guide plate 151 by the second motorized slider 152. The third motor 153 drives the grinding roller 154 to rotate to grind the round corner edge at the edge of the primary processed product of the aseptic plastic packaging box.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The manufacturing process of the sterile plastic packaging box is completed by matching the manufacturing device of the sterile plastic packaging box, and is characterized in that: the sterile plastic packaging box manufacturing device comprises a horizontal bottom plate (1), four arc-shaped plates (2) are vertically and rotatably mounted on the upper surface of the bottom plate (1), a gear disc (3) is horizontally and fixedly mounted at the top of each arc-shaped plate (2), and a mounting column (4) coaxial with the gear disc (3) is horizontally and fixedly mounted on the top surface of the gear disc (3); four horizontal square grooves are uniformly formed in the mounting column (4) along the circumferential direction of the mounting column, a square column (5) is arranged in the square groove along the radial direction of the mounting column (4) in a sliding fit mode, a rubber plate (6) which is horizontally matched with the top surface of the gear disc (3) in a sliding fit mode is fixedly arranged at the outer end of the square column (5), and the outer side surface of the rubber plate (6) is matched with the inner side surface of the sterile plastic packaging box; the upper surface of the bottom plate (1) is fixedly provided with a pressing mechanism (7) through a vertical plate; a first motor (8) is vertically and fixedly installed on the upper surface of the bottom plate (1) through a motor base, and a first gear (9) meshed with the gear disc (3) is fixedly installed on an output shaft of the first motor (8); the upper surface of the bottom plate (1) is provided with three bases (10) around the gear disc (3), and the upper surface of each base (10) is provided with a first lead screw (11) in a radial rotating mode along the mounting column (4) through a supporting plate; the upper surface of the base (10) is in radial sliding fit with a sliding block (12) along the mounting column (4), and a first lead screw (11) penetrates through the sliding block (12) and is in rotating fit with the sliding block (12) through threads; a first cutting mechanism (13), a second cutting mechanism (14) and a polishing mechanism (15) are sequentially arranged on the three sliding blocks (12); a second motor (16) is arranged on the supporting plate, and the output end of the second motor (16) is fixedly connected with the first lead screw (11);

the first cutting mechanism (13) comprises a vertical column (131) fixedly arranged on the sliding block (12), and a first cutting knife (132) is horizontally and fixedly arranged on the vertical column (131); the second cutting mechanism (14) comprises an arc-shaped first guide plate (141) fixedly mounted on the sliding block (12), a first electric sliding block (142) is mounted on the first guide plate (141) in a sliding mode, and a second cutting knife (143) is fixedly mounted on the inner side surface of the first electric sliding block (142); the polishing mechanism (15) comprises an arc-shaped second guide plate (151) fixedly arranged on the sliding block (12), and a second electric sliding block (152) is arranged on the second guide plate (151) in a sliding manner; a third motor (153) is fixedly arranged on the outer side surface of the second electric sliding block (152), and a polishing roller (154) fixedly connected with the output end of the third motor (153) is rotatably arranged on the inner side surface of the second electric sliding block (152);

step one, fixing a packaging box: the opening of the primary processed product of the aseptic plastic packaging box is downwards and horizontally placed on the upper surface of the gear plate (3), and the rubber plate (6) is pushed by the square column (5) to horizontally support the inner side surface of the aseptic plastic packaging box; the aseptic plastic packaging box is pressed on the upper surface of the gear plate (3) through a pressing mechanism (7);

step two, primary cutting treatment: the gear disc (3), the mounting column (4) and the primary processed product of the sterile plastic packaging box are driven to integrally rotate by the first motor (8); the first cutting mechanism (13) is driven by the second motor (16) to slide along the radial inner side of the mounting column (4) until the first cutting knife (132) cuts the edge of the primary processed product of the sterile plastic packaging box to be level;

step three, secondary cutting treatment: the second cutting mechanism (14) is driven by a second motor (16) to slide along the radial inner side of the mounting column (4); the first electric slide block (142) drives the second cutting knife (143) to move along the first guide plate (141), and the second cutting knife (143) cuts the edge at the edge of the primary processed product of the sterile plastic packaging box into a round edge;

step four, polishing treatment: the second motor (16) drives the polishing mechanism (15) to slide along the radial inner side of the mounting column (4); the grinding roller (154) is driven to move along the second guide plate (151) by the second electric slide block (152); the third motor (153) drives the grinding roller (154) to rotate to grind the round corner edge at the edge of the primary processed product of the sterile plastic packaging box.

2. The manufacturing process of the sterile plastic packaging box according to claim 1, characterized in that: the pressing mechanism (7) comprises a horizontal top plate (71), an accommodating groove (72), a pressing disc (73), an annular limiting groove (74), a ball (75) and a threaded column (76); the top plate (71) is fixedly connected with the top end of the vertical plate, a circular accommodating groove (72) is vertically formed in the lower surface of the top plate (71), a circular pressing disc (73) is vertically and slidably mounted in the accommodating groove (72), and the pressing disc (73) is coaxial with the mounting column (4); an annular limiting groove (74) coaxial with the accommodating groove (72) is formed in the side wall of the accommodating groove (72), and a plurality of balls (75) in rolling fit with the side wall of the annular limiting groove (74) are uniformly arranged on the outer side surface of the pressing disc (73) along the circumferential direction of the pressing disc; the upper surface of the pressing disc (73) is vertically and rotatably provided with a threaded column (76) which is coaxial with the pressing disc, the threaded column (76) vertically penetrates through the top plate (71) and is in threaded rotation fit with the top plate (71), and the top of the threaded column (76) is fixedly provided with a knob.

3. The manufacturing process of the aseptic plastic packaging box according to claim 2, characterized in that: a plurality of first rubber strips (77) along the radial direction of the pressing disc (73) are uniformly and fixedly attached to the lower surface of the pressing disc.

4. The manufacturing process of the sterile plastic packaging box according to claim 1, characterized in that: a plurality of vertical second rubber strips (17) are uniformly and fixedly attached to the outer side surface of the rubber plate (6).

5. The manufacturing process of the sterile plastic packaging box according to claim 1, characterized in that: a rotating shaft (18) coaxial with the gear disc (3) and the mounting column (4) is vertically and rotatably mounted in the gear disc (3) and the mounting column (4), and a first bevel gear (19) positioned in the mounting column (4) is horizontally and fixedly mounted on the rotating shaft (18); four mounting shafts (20) are horizontally and rotatably mounted in the mounting column (4) through a bracket, and the axial direction of the mounting shafts (20) is consistent with the sliding direction of the square column (5); a second bevel gear (21) which is meshed with the first bevel gear (19) is fixedly arranged at the inner end of the mounting shaft (20), and a second gear (22) is fixedly arranged at the outer end of the mounting shaft (20); a threaded rod (23) positioned in the mounting column (4) is rotatably arranged at the inner end of the square column (5), and a gear column (24) which is coaxial with the threaded rod and is meshed with the second gear (22) is fixedly arranged at the inner end of the threaded rod (23); the axis of the threaded rod (23) is parallel to the axis of the mounting shaft (20), and the threaded rod (23) is in rotating fit with the inside of the mounting column (4) through threads.

6. The manufacturing process of the aseptic plastic packaging box according to claim 5, characterized in that: the bottom end of the rotating shaft (18) is fixedly connected with a second lead screw (25) coaxial with the rotating shaft, the lower surface of the gear disc (3) is vertically and fixedly provided with a limiting rod (26) around the second lead screw (25), and the limiting rod (26) is vertically matched with an installation block (27) in a sliding manner; the second lead screw (25) penetrates through the mounting block (27) and is in rotating fit with the mounting block (27) through threads; four vertically-through air grooves (28) are uniformly formed in the gear disc (3) along the circumferential direction of the gear disc, the middle parts of the air grooves (28) are horizontal, and iron sealing blocks (29) are horizontally matched in a sliding manner in the middle parts of the air grooves (28); a magnet block (30) is horizontally and slidably mounted on the lower surface of the gear disc (3) along the middle direction of the air groove (28), a guide wheel (31) is mounted on the lower surface of the gear disc (3) through a support, one end of a traction rope (32) is fixedly connected to the magnet block (30), and the other end of the traction rope (32) is fixedly connected to the mounting block (27) after passing through the guide wheel (31); the lower surface of the gear disc (3) is fixedly provided with a supporting block (33), and a spring (34) is horizontally arranged between the supporting block (33) and the magnet block (30) along the sliding direction of the magnet block (30).