Automatic device for preparing inner box of packaging box
Technical Field
The invention relates to the technical field of packaging machinery, in particular to an automatic device for preparing an inner box of a packaging box.
Background
At present, the inner box of the existing packing box, for example, the outer box shown in fig. 3 of the Chinese patent 200620154576.4 is added with the structural schematic diagram after the inner box, the inner box encloses a containing cavity suitable for being placed by a packaged object, and as the inner box is folded into a frame shape by a flat surrounding edge strip, the existing inner box is manually folded, so that deviation is easy to occur, the production efficiency is influenced, the packing precision is low, and the yield of the box body is seriously influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic device for preparing the inner box of the packaging box, which has high degree of automation and high connection precision and greatly improves the production yield of the box body.
The technical scheme adopted for solving the technical problems is as follows:
an automatic device for preparing an inner box of a packaging box comprises a machine body, and is characterized in that a discharging groove is transversely formed in the machine body, a plurality of surrounding strips are arranged in the discharging groove, a discharging hole is formed in one side of the discharging groove, a positioning gap suitable for accommodating and positioning one surrounding strip is formed in the front end of the discharging hole, a material taking arm is driven and connected to the front end of the positioning gap through a material taking driving device, a material taking sucker is arranged on the material taking arm, and when material is taken, the material taking sucker transfers the plate-shaped surrounding strips in the discharging groove into the positioning gap after being adsorbed;
the front end of the material taking arm is provided with a mould frame for placing a forming mould, and the front end of the mould frame is driven by a mould pushing driving device to connect with a push template;
the feeding groove is provided with a conveying part below, the conveying part is provided with a forming seat, a forming cavity is formed in the forming seat, an inlet is formed in one side of the forming cavity towards the direction of the discharge hole, a pushing plate is utilized to push the forming die, the forming die is enabled to be connected with the surrounding edge strip and simultaneously pushed into the forming cavity of the forming seat, the surrounding edge strip is bent into a frame shape from a flat plate shape, the surrounding edge strip in the frame shape is positioned between the forming die and the forming cavity, and two ends of the surrounding edge strip in the frame shape extend out of the forming cavity.
The problem that this structure solved is, how to prepare the interior box in the box body (by surrounding the strake and constitute), and the automation structure that this structure adopted is realized like this:
(1) Firstly, a plurality of flat surrounding strips are placed through a discharge groove, and two adjacent flat surrounding strips are mutually clung;
(2) Then, taking out a material suction disc on a material taking arm, wherein one flat surrounding edge strip is placed in a positioning gap during each material taking, and the rest flat surrounding edges are continuously in a material taking state and do not interfere with the flat surrounding edge strips in the positioning gap;
(3) And then pushing the forming die to a forming cavity in the forming seat through the push die plate, wherein the forming die can simultaneously push the flat surrounding strips in the positioning gap into the forming cavity in the pushing process, and the forming die and the forming cavity are square (because the box body is square), so that the flat surrounding strips are limited between the forming die and the forming cavity and are bent into a frame body shape from the original flat plate shape, and the preliminary bending step is completed.
The invention can also be solved by adopting the following technical measures:
the material taking driving device comprises a material taking fixing frame and a material taking air cylinder, and a piston rod of the material taking air cylinder is connected with the material taking arm; the structure is simple and reasonable, the piston rod of the material taking cylinder is utilized to push the material taking arm to stretch and retract, and the material taking of the flat surrounding edge strips is realized.
The material taking sucker is connected with a gas supply mechanism; the material taking is realized during air suction, and the flat surrounding edge strips are placed in the positioning gaps during air discharge.
The die pushing driving device comprises a die pushing cylinder, a guide sliding rail and a guide sliding seat, wherein the die pushing cylinder is fixed on the machine body through a fixed seat, the guide sliding rail is fixed on the machine body, the guide sliding seat is connected on the guide sliding rail in a sliding manner, a die pushing plate is horizontally fixed on the guide sliding seat, and a piston rod of the die pushing cylinder is connected with the guide sliding seat; the piston rod of the pushing die cylinder is used for pushing the pushing die plate to stretch and retract, so that the forming die enters the forming cavity, and in order to achieve better linear guide, a guide sliding rail and a guide sliding seat are added to enable the pushing die plate to linearly move along a track.
A guide backup plate is fixed on the machine body at one side along the conveying direction of the conveying piece, one end of the guide backup plate is outwards turned to form a guide inclined plate, a swing angle fixing seat is fixed on the machine body at one side of the guide inclined plate, a swing angle cylinder is fixed on the swing angle fixing seat, and a swing angle pushing block is arranged on a rotating shaft of the swing angle cylinder; the reason that the surrounding edge strip bent into the frame shape is not finally changed into the whole frame shape is that the steps just complete the bending of three edges in the square frame body, but two ends of the flat surrounding edge strip extend out of the forming cavity to be not bent after preliminary bending, so that one end is bent in the conveying process by utilizing the guide backup plate; the other end of the guide back plate is used for driving the swing angle pushing block to bend the other end of the guide back plate through the rotating shaft of the swing angle cylinder, the other end of the guide back plate is correspondingly led into the guide back plate to be further pressed and pressed for forming after being bent, and finally, the flat surrounding edge strip is completely bent into an integral frame body (square frame body), and the guide back plate is ingenious in structure and compact in structure.
The discharge groove is obliquely arranged, and the discharge hole is positioned at the lowest end of the oblique discharge groove; according with the structural engineering principle, the flat surrounding strips automatically move downwards one by one (in the process of continuously taking materials).
Two positioning plates are arranged on two sides of the front end of the discharge hole, a positioning gap suitable for accommodating and positioning a flat surrounding edge strip is formed between the two positioning plates and the discharge hole, a distance is arranged between the two positioning plates, and the distance of the distance is larger than the width of the forming die; the space is actually a passage suitable for the forming die to pass through, and the two positioning plates are arranged at the front end of the discharge hole and form a positioning gap with the front end of the discharge hole, so that a flat surrounding edge strip which is ready to be pushed into the forming cavity is placed in the gap to be bent.
Two positioning leaning columns are arranged on two sides of the discharge chute close to the discharge port, and extend along the height direction; the effect of two location lean on the post is to be limited in the blowing inslot with the other platelike surrounding edge that is not got the material by getting the material arm, because the location lean on the volume of post less in addition, can not cause great resistance when getting the material sucking disc of getting the material arm again like this and get the material, platelike surrounding edge is getting the material, and its both ends slightly bend just can cross two location lean on the post, gets into in the location clearance.
The beneficial effects of the invention are as follows:
the automatic device for preparing the inner box of the packing box has high automation degree and high connection precision, and greatly improves the production yield of the box body.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
FIG. 3 is a cross-sectional view of X-X in the present invention.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is a schematic view of another angle of the present invention.
Fig. 6 is a structural view of the peripheral strip of the present invention mounted in a case.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 to 6, an automatic device for preparing an inner box of a packaging box comprises a machine body 1, and is characterized in that a discharge groove 2 is transversely arranged on the machine body 1, a plurality of surrounding strips 3 are arranged and placed in the discharge groove 2, a discharge hole 201 is formed in one side of the discharge groove 2, a positioning gap 4 suitable for accommodating and positioning one surrounding strip 3 is formed in the front end of the discharge hole 201, a material taking arm 6 is connected to the front end of the positioning gap 4 in a driving mode through a material taking driving device 5, a material taking sucker 7 is installed on the material taking arm 6, and during each material taking, the flat surrounding strips 3 in the discharge groove 2 are adsorbed by the material taking sucker 7 and then transferred into the positioning gap 4 for placement;
the front end of the material taking arm 6 is provided with a die frame 9 for placing a forming die 8, and the front end of the die frame 9 is driven by a die pushing plate 11 connected with a die pushing driving device 10;
the conveying member 12 is arranged below the discharging groove 2, the forming seat 13 is arranged on the conveying member 12, the forming cavity 1301 is arranged in the forming seat 13, the inlet 1301-1 is formed in one side of the forming cavity 1301 towards the direction of the discharging hole 201, the forming mold 8 is pushed by the push mold plate 11, the forming mold 8 is simultaneously pushed into the forming cavity 1301 of the forming seat 13 along with the surrounding edge strip 3, the surrounding edge strip 3 is bent into a frame shape from a flat plate shape, the surrounding edge strip 3 in the frame shape is positioned between the forming mold 8 and the forming cavity 1301, and two ends 301 of the surrounding edge strip 3 in the frame shape extend out of the forming cavity 1301.
The problem that this structure solved is, how to prepare the interior box in the box body (by surrounding edge 3 constitution), and the automation structure that this structure adopted is so realized:
(1) Firstly, a plurality of flat surrounding strips 3 are placed through a discharge chute 2, and two adjacent flat surrounding strips 3 are mutually clung;
(2) Then, taking out a material sucker 7 on a material taking arm 6, and taking out one flat surrounding edge strip 3 to be placed in a positioning gap 4 when taking out materials each time, wherein the rest flat surrounding edge strips 3 are continuously in a material taking state and do not interfere with the flat surrounding edge strips 3 in the positioning gap 4;
(3) Then, the forming die 8 is pushed to the forming cavity 1301 in the forming seat 13 by the push die plate 11, in the pushing process, the forming die 8 can simultaneously push the flat surrounding edge strips 3 in the positioning gap 4 into the forming cavity 1301, and the forming die 8 and the forming cavity 1301 are square (because the box body is square), so that the flat surrounding edge strips 3 are limited between the forming die 8 and the forming cavity 1301 and are bent into a frame body shape from the flat plate shape in the original state, and the preliminary bending step is completed.
As a more specific embodiment of this example:
the material taking driving device 5 comprises a material taking fixing frame 501 and a material taking air cylinder 502, and a piston rod of the material taking air cylinder 502 is connected with the material taking arm 6; the structure is simple and reasonable, the piston rod of the material taking cylinder 502 is utilized to push the material taking arm 6 to stretch and retract, and the material taking of the flat surrounding edge strips 3 is realized.
The material taking sucker 7 is connected with an air supply mechanism; the material taking is realized during air suction, and the flat surrounding edges 3 are placed in the positioning gap 4 during air discharge.
The pushing die driving device 10 comprises a pushing die cylinder 1001, a guide sliding rail 1002 and a guide sliding seat 1003, wherein the pushing die cylinder 1001 is fixed on the machine body 1 through a fixed seat 1004, the guide sliding rail 1002 is fixed on the machine body 1, the guide sliding seat 1003 is slidingly connected on the guide sliding rail 1002, the pushing die plate 11 is horizontally fixed on the guide sliding seat 1003, and a piston rod of the pushing die cylinder 1001 is connected with the guide sliding seat 1003; the piston rod of the pushing die cylinder 1001 is used for pushing the pushing die plate 11 to stretch and retract, so that the forming die 8 enters the forming cavity 1301, and in order to realize better linear guide, a guide sliding rail 1002 and a guide sliding seat 1003 are added to enable the pushing die plate 11 to linearly move in a track manner.
A guide backup plate 14 is fixed on the machine body 1 at one side along the conveying direction of the conveying piece 12, one end of the guide backup plate 14 is outwards turned to form a guide inclined plate 1401, a swing angle fixing seat 15 is fixed on the machine body 1 at one side of the guide inclined plate 1401, a swing angle cylinder 16 is fixed on the swing angle fixing seat 15, and a swing angle pushing block 17 is arranged on a rotating shaft 1601 of the swing angle cylinder 16; since the edge strip 3 folded into the frame shape is not finally formed into the whole frame shape, the above steps only complete the bending of three edges 302 in the square frame body, but since the two ends 301 of the flat plate-shaped edge strip 3 extend out of the forming cavity 1301 and are not bent after preliminary bending, one of the ends is bent in the conveying process by the guide backup plate 14; the other end of the swinging angle pushing block 17 is driven by the rotating shaft 1601 of the swinging angle cylinder 16 to bend the other end, and the other end of the swinging angle pushing block correspondingly enters the guide backup plate 14 after being bent and is further pressed and pressed by the guide backup plate 14 for forming, so that the flat plate-shaped surrounding edge strip 3 is finally completely bent into an integral frame body (square frame body), and the structure is ingenious and compact.
The discharge chute 2 is obliquely arranged, and the discharge port 201 is positioned at the lowest end of the oblique discharge chute 2; the method accords with the structural engineering principle, and the plate-shaped surrounding strips 3 automatically move downwards (continuously during the material taking process) one by one.
Two positioning plates 18 are arranged on two sides of the front end of the discharge hole 201, a positioning gap 4 suitable for accommodating and positioning a flat surrounding edge strip 3 is formed between the two positioning plates 18 and the discharge hole 201, a distance L is arranged between the two positioning plates 18, and the distance of the distance L is larger than the width of the forming die 8; the distance L is actually a passage suitable for the passage of the forming die 8, while the two positioning plates 18 are arranged at the front end of the discharge port 201 and form a positioning gap 4 with the front end of the discharge port 201, so that a flat-plate-shaped surrounding edge strip 3 ready to be pushed into the forming cavity 1301 is placed in the gap to be bent.
Two positioning leaning columns 19 are arranged on two sides of the discharge chute 2 close to the discharge hole 201, and the two positioning leaning columns 19 are arranged in an extending manner along the height direction; the two positioning leaning posts 19 are used for limiting other flat surrounding strips 3 which are not taken by the taking arm 6 in the material placing groove 2, and the positioning leaning posts 19 are small in size, so that large resistance cannot be caused when the taking sucker 7 of the taking arm 6 takes materials, and the two ends 302 of the flat surrounding strips 3 can pass through the two positioning leaning posts 19 after being slightly bent when taking materials, and enter the positioning gap 4.
The above-mentioned box body comprises a box seat 20 and a box cover 21 which are arranged in an opening-closing manner, the prepared frame-shaped surrounding edge strips 3 are arranged in the box seat 20, and the frame-shaped surrounding edge strips 3 are surrounded to form a storage cavity 303, as shown in fig. 6.
The above embodiments are only preferred embodiments of the present invention, and all equivalent designs according to the claims should be covered by the present invention.