CN115923106A - Plastic packaging box forming device - Google Patents

Abstract

The invention discloses a plastic packaging box forming device which comprises a first base and a second base, wherein the upper end of the second base is provided with a lifting limiting mechanism, the first base is provided with an automatic forming mechanism, the lifting limiting mechanism comprises a positioning part and a translation part, the translation part moves a packaging box body from a conveying mechanism to the upper surface of the second base, and a positioning column is positioned in a quadrant with different plane rectangular coordinates where the packaging box body is positioned; the automatic forming mechanism comprises a primary bending part, a secondary bending part, a tertiary bending part and a hot pressing part, wherein the primary bending part and the secondary bending part are respectively provided with a hot pressing plate and a guide plate. The invention has the advantages that the workpiece on the assembly line can be automatically positioned through the action of the positioning part and the translation part, so that the position of the later fold line is more accurate, and the production quality of the workpiece is improved; through the operation in proper order of the portion of once bending, the portion of twice bending and the portion of three times bending, can be fast to the work piece operation of bending, improve the shaping efficiency of work piece by a wide margin.

Description

Plastic packaging box forming device

Technical Field

The invention relates to the technical field of packaging box forming, in particular to a plastic packaging box forming device.

Background

The packaging box is used for packaging products, can be classified into paper boxes, iron boxes, wood boxes, plastic boxes and the like according to materials, and has the functions of ensuring the safety of the products in transportation, improving the grade of the products and the like; the plastic box is attractive due to good light transmission and is commonly used for packaging cakes and other foods;

when the plastic packaging box is produced, the processes of raw material preparation, die cutting, three-dimensional forming and the like need to be carried out, and when the plastic packaging box is formed in a three-dimensional manner, the existing small-sized factory usually folds a plane workpiece into a three-dimensional shape by manual work and then welds the seam of the plane workpiece; the manual operation has the following defects that 1, because of more folds, the manual bending efficiency is lower; 2. the workpiece fold line is not heated before manual bending, the bending position of the workpiece is hard, the workpiece has a large radian after manual bending, the position of the fold line is determined by bending stress, the fold line is not attractive enough, and the plasticity is poor; (in order to ensure the regularity of the fold line, the existing solution is to open the slot at the position of the fold line, but the operation reduces the structural strength of the workpiece) 3, and the seam welding is carried out manually, so that the fault tolerance rate is high, the quality of the finished workpiece is not uniform, and the error of the welding position is large.

Disclosure of Invention

Aiming at the defects, the invention provides a plastic packaging box forming device, which solves the problems.

In order to realize the purpose, the invention adopts the following technical scheme:

a plastic packaging box forming device comprises a first base, a second base, an air blower, a vacuum pump, a conveying mechanism, a cooling fan and a packaging box body, wherein the vacuum pump is installed at the lower end of the first base;

the transfer mechanism comprises a first rotating motor and a moving part, the first rotating motor drives the moving part to reciprocate in the horizontal direction, the moving part adsorbs the packaging box body, and the moving part drives the packaging box body to move in the horizontal direction and the vertical direction;

the lifting limiting mechanism comprises a positioning part and a translation part, the translation part moves the packaging box body from the conveying mechanism to the upper surface of the second base, the positioning part moves in the vertical direction and comprises a plurality of positioning columns, the positioning columns are narrow at the upper part and wide at the lower part, the whole packaging box body is in a cross-shaped profile, the center of the packaging box body is superposed with the origin of a rectangular coordinate system of a plane where the packaging box body is located, and the positioning columns are located in quadrants with different rectangular coordinates of the plane where the packaging box body is located; a first sucker is arranged at the center of the upper surface of the first base;

the automatic forming mechanism comprises a primary bending part, a secondary bending part, a tertiary bending part and a hot pressing part, wherein the primary bending part bends the edge of the packaging box body, the primary bending part, the secondary bending part and the tertiary bending part are respectively provided with a hot pressing plate and a plurality of guide plates, the primary bending part and the secondary bending part respectively comprise a pressing component and a lifting component, the pressing component drives the hot pressing plate to move downwards to be in contact with the packaging box body, the hot pressing plate heats the contact part, the lifting component drives the guide plates to move upwards, the guide plates are positioned on one side of the hot pressing plate, the guide plates move upwards to bend the packaging box body by 90 degrees, and the primary bending part, the secondary bending part and the tertiary bending part are sequentially bent;

the three-time bending part comprises a linear motor I and a driving part, the driving part drives the hot pressing plate to reciprocate and horizontally move above and on one side of the packaging box body, a gap is formed between the hot pressing plate and the packaging box body, and the linear motor drives the guide plate to move upwards;

the hot pressing part is arranged on the driving part and comprises a packaging box body, and two ends of the packaging box body are adhered through rolling.

Further, the moving part comprises a rectangular hole formed in the upper surface of the support frame, a sliding block is installed at one end of the rectangular hole, the sliding block is connected with the rectangular hole in a sliding mode, a solid block is installed on the lower surface of the sliding block, a first rotating motor is installed at one end of the lower surface of the support frame, a threaded shaft connected with the solid block in a threaded mode is installed at one rotating end of the first rotating motor, a first bearing is installed at one end of the lower surface of the support frame, the threaded shaft is fixedly connected with an inner ring of the first bearing, a second linear motor is installed at the lower surface of the solid block, an L-shaped rod is installed at the telescopic end of the second linear motor, a second sucking disc is installed at one end of the L-shaped rod, and a connecting pipe is installed between the first sucking disc, the second sucking disc and the vacuum pump.

Furthermore, the positioning part comprises a linear motor III arranged at the lower end of the base II, a rectangular plate is arranged at the telescopic end of the linear motor III, positioning columns are arranged at four corners of the upper surface of the rectangular plate, rectangular through holes are formed in the upper surface of the base II, the positioning columns penetrate through the rectangular through holes, the surface of the upper ends of the positioning columns facing the packaging box body is a curved surface, the cross section of the lower ends of the positioning columns is rectangular, and the lower ends of the positioning columns are attached to the rectangular through holes; the translation portion is including opening the roller hole at two upper surfaces of base, and the roller hole is equipped with a plurality of and parallel arrangement, installs the live-rollers in the roller hole, and live-rollers one end is installed from the driving wheel, installs rotating electrical machines two in the base two, and the action wheel is installed to two rotatory ends of rotating electrical machines, and the action wheel and install the drive belt from between the driving wheel.

Furthermore, the pressing component on the primary bending part comprises a first hydraulic rod arranged in one end of the support frame, a telescopic end of the first hydraulic rod is provided with a connecting plate, the lower end of the connecting plate is provided with a v-21274-shaped plate, and the hot pressing plate is arranged on the lower surface of the v-21274-shaped plate.

Furthermore, the lifting assembly on the primary bending part comprises a second hydraulic rod arranged at the lower end of the first base, a first flat plate is arranged at the telescopic end of the second hydraulic rod, a first guide plate is arranged on the upper surface of the first flat plate, a first through hole is arranged on the upper surface of the first base, and the first guide plate penetrates through the first through hole.

Furthermore, the pressing component on the secondary bending part comprises a supporting plate arranged at the opening of the v-shaped plate, a hydraulic rod III is arranged at the center of the upper surface of the supporting plate, a flat plate II is arranged at the telescopic end of the hydraulic rod III, and hot pressing plates are arranged at two ends of the flat plate II.

Furthermore, the lifting assembly on the secondary bending part comprises a hydraulic rod IV arranged at the lower end of the base I, a flat plate III is arranged at the four telescopic ends of the hydraulic rod IV, the guide plate is arranged on the upper surface of the flat plate III, a through hole II is arranged on the upper surface of the base I, and the guide plate penetrates through the through hole II.

Furthermore, the driving part comprises a v-21274arranged on the upper surface of the base, a sliding groove is formed in the lower surface of the upper end of the v-21274, a sliding strip is arranged in the sliding groove, the hot pressing plate is arranged on the lower surface of the sliding strip, a tooth groove is formed in the upper end of the sliding strip, a gear hole is formed in the upper surface of the v-21274, a stepping motor is arranged on the upper surface of the v-21274, a first gear meshed with the tooth groove is arranged at the rotating end of the stepping motor, the first gear penetrates through the gear hole, and the guide plate is arranged at the telescopic end of the linear motor.

Furthermore, the hot pressing part comprises an inclined strut arranged at one end of the sliding strip, the upper end of the inclined strut is provided with a V-shaped fork, a V-shaped 21274is arranged at one end of the V-shaped fork, two hot pressing wheels are arranged, and the packaging box body is positioned between the two hot pressing wheels.

The invention has the beneficial effects that: the workpieces on the assembly line can be automatically positioned under the action of the positioning part and the translation part, so that the position of the later fold line is more accurate, and the production quality of the workpieces is improved;

through the sequential operation of the primary bending part, the secondary bending part and the tertiary bending part, the workpiece can be quickly bent, and the forming efficiency of the workpiece is greatly improved; heating the position of the fold line before bending, and determining the fold line and simultaneously bending the fold line more quickly; the fold line edges and corners after heating treatment are more distinct, and the plasticity of the workpiece is improved;

the fault-tolerant rate of the welding position can be reduced through the action of the hot pressing part, the welding error is reduced, and the consistency of products is improved.

Drawings

FIG. 1 is a schematic structural view of a plastic package forming apparatus according to the present invention;

FIG. 2 is a top view of the positioning portion;

FIG. 3 is an enlarged schematic view of the positioning section;

FIG. 4 is a schematic view of a moving part;

FIG. 5 is a schematic view of a first bending part;

FIG. 6 is a schematic view of the state of the guide plate;

FIG. 7 is a schematic bottom view of the v 21274plate;

FIG. 8 is a schematic top view of a v 21274shutter;

FIG. 9 is a first schematic view of the secondary bending portion;

FIG. 10 is a second schematic view of the secondary bending portion;

FIG. 11 is a side view of the triple bend;

FIG. 12 is a schematic top view of the hot press section;

FIG. 13 is a schematic view of the front view of the triple bend;

FIG. 14 is a schematic cross-sectional view of a rectangular aperture;

FIG. 15 is a schematic top view of the package body;

FIG. 16 is a schematic view of a positioning post from multiple perspectives;

in the figure, 1, a base I; 2. a second base; 3. a blower; 4. a vacuum pump; 5. a transport mechanism; 6. a cooling fan; 7. a packaging box body; 8. a support frame; 9. a first rotating motor; 10. a moving part; 11. a positioning part; 12. a translation section; 13. a positioning column; 14. a first sucker; 15. a first bending part; 16. a secondary bending part; 17. a third bending part; 18. a hot pressing section; 19. hot pressing plate; 20. a guide plate; 21. a linear motor I; 22. a drive section; 23. a rectangular hole; 24. a slider; 25. a solid block; 26. a threaded shaft; 27. a first bearing; 28. a linear motor II; 29. an L-shaped rod; 30. a second sucking disc; 31. a connecting pipe; 32. a linear motor III; 33. a rectangular plate; 34. a rectangular through hole; 35. roll holes; 36. a rotating roller; 37. a second rotating motor; 38. a driving wheel; 39. a transmission belt; 40. a first hydraulic rod; 41. a connecting plate; 42. \ 21274; 43. a second hydraulic rod; 44. a first flat plate; 45. a first through hole; 46. a support plate; 47. a hydraulic rod III; 48. a hydraulic rod IV; 49. a second through hole; 50. v 21274; 51. a chute; 52. a slide bar; 53. a tooth socket; 54. a gear hole; 55. a stepping motor; 56. a first gear; 57. bracing; 58. v 21274; a fork; 59. a hot pinch roller; 60. a driven wheel; 61. a second flat plate; 62. and (5) a third flat plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

An embodiment of the present application provides a plastic packaging box forming device, please refer to fig. 1 to fig. 16: the automatic packaging machine comprises a first base 1, a second base 2, an air blower 3, a vacuum pump 4, a conveying mechanism 5, a cooling fan 6 and a packaging box body 7, wherein the vacuum pump 4 is installed at the lower end of the first base 1, the air blower 3 is arranged above the first base 1, the cooling fan 6 is installed on one side of the first base 1, a lifting limiting mechanism is arranged at the upper end of the second base 2, an automatic forming mechanism is installed on the first base 1, a supporting frame 8 is installed between the first base 1 and the second base 2, and a transfer mechanism is installed on the supporting frame 8;

the transfer mechanism comprises a first rotating motor 9 and a moving part 10, the first rotating motor 9 drives the moving part 10 to reciprocate in the horizontal direction, the moving part 10 adsorbs the packaging box body 7, and the moving part 10 drives the packaging box body 7 to move in the horizontal direction and the vertical direction;

the lifting limiting mechanism comprises a positioning part 11 and a translation part 12, the translation part 12 moves the packaging box body 7 from the conveying mechanism 5 to the upper surface of the base II 2, the positioning part 11 moves in the vertical direction, the positioning part 11 comprises positioning columns 13, the positioning columns 13 are provided with a plurality of parts which are narrow at the top and wide at the bottom, the whole packaging box body 7 is in a cross-shaped outline, the center of the packaging box body 7 is superposed with the origin of a rectangular coordinate system of a plane where the packaging box body 7 is located, and the positioning columns 13 are located in quadrants with different rectangular coordinates of the plane where the packaging box body 7 is located; a first sucker 14 is arranged at the center of the upper surface of the first base 1;

the automatic forming mechanism comprises a first bending part 15, a second bending part 16, a third bending part 17 and a hot pressing part 18, the first bending part 15 bends the edge of the packaging box body 7, the first bending part 15 and the second bending part 16 are respectively provided with a hot pressing plate 19 and a guide plate 20, the hot pressing plates 19 are provided with a plurality of parts, the first bending part 15 and the second bending part 16 respectively comprise a pressing component and a lifting component, the pressing component drives the hot pressing plate 19 to move downwards to be in contact with the packaging box body 7, the hot pressing plate 19 heats the contact part, the lifting component drives the guide plate 20 to move upwards, the guide plate 20 is positioned on one side of the hot pressing plate 19, the guide plate 20 moves upwards to bend the packaging box body 7 by 90 degrees, and the first bending part 15, the second bending part 16 and the third bending part 17 are sequentially bent;

the third bending part 17 comprises a linear motor I21 and a driving part 22, the driving part 22 drives the hot pressing plate 19 to reciprocate horizontally above and on one side above the packaging box body 7, a gap is formed between the hot pressing plate 19 and the packaging box body 7, and the linear motor I21 drives the guide plate 20 to move upwards;

hot pressing portion 18 is installed on drive portion 22, and hot pressing portion 18 includes and rolls on packing carton body 7, makes packing carton body 7 both ends adhesion.

In practical application, the conveying mechanism 5 in the device belongs to the prior art and is not described in detail, the conveying mechanism 5 is responsible for moving the packaging box body 7 on an external production line to the translation part 12, the hot pressing plate 19 and the hot pressing wheel 59 also belong to the prior art, and the hot pressing plate can heat corresponding positions on the packaging box body 7 by self heating, so that the packaging box body 7 can be bent and shaped more easily;

when the conveying mechanism 6 moves the packaging box body 7 to the upper surface of the base 2, the moving part 10 is controlled to work, the moving part 10 works to move the packaging box body 7 to the positioning part 11, due to the conveying error of the moving part 10, the positions of different packaging box bodies 7 are different, positioning operation needs to be carried out on the packaging box body 7, the positioning part 11 is controlled to work, the positioning part 11 works to drive the positioning column 13 to move upwards, the positioning column 13 moves to the positions around the packaging box body 7, and as shown in fig. 2, the position of the packaging box body 7 is at a specified position; through the arrangement of the positioning column 13 with the narrow upper part and the wide lower part, the position of the packaging box body 7 can be adjusted by utilizing the curved surface of the positioning column 13 in the process of ascending the positioning column 13, and after the position of the packaging box body 7 is adjusted, the positioning part 11 is controlled to move downwards to drive the positioning column 13 to reset;

then, the first rotary motor 9 is controlled to rotate, the first rotary motor 9 rotates to drive the moving part 10 and the second suction cup 30 to move to the position of the packaging box body 7, the vacuum pump 4 is controlled to work, one end of the second suction cup 30 generates negative pressure, the packaging box body 7 is finally sucked, the first rotary motor 9 and the moving part 10 are controlled to cooperate, the packaging box body 7 can be moved to the position appointed by the upper surface of the first base 1, the center of the packaging box body 7 is aligned with the position of the first suction cup 14, the vacuum pump 4 releases the negative pressure at one end of the second suction cup 30 at the moment, one end of the first suction cup 14 generates negative pressure, the packaging box body 7 is in a fixed state, and displacement caused by later-stage bending is avoided;

after the position of the packaging box body 7 is fixed, the first bending part 15 is controlled to work, at the moment, the pressing component and the lifting component on the first bending part 15 are controlled to work, the pressing component drives the hot pressing plate 19 to move downwards, the hot pressing plate 19 is moved to the bending position, the packaging box body 7 is heated, the bending position is in a soft state, then, the corresponding lifting component is controlled to work, the guide plate 20 is driven to move upwards, a certain gap is formed between the guide plate 20 and the hot pressing plate 19, and when the guide plate 20 moves upwards, the packaging box body 7 at the corresponding position can be bent by 90 degrees, as shown in fig. 6;

controlling the secondary bending part 16 to work, driving the hot pressing plate 19 to move downwards by a pressing component on the secondary bending part 16, wherein the bending position is positioned on one side of the second through hole 49 in the figure 2, and the bending operation enables the positions, close to the two ends, of the packaging box body 7 to be folded upwards, so that the packaging box body 7 has a certain three-dimensional shape, and the opening of the packaging box body 7 is upward;

controlling the third bending part 17 to work, moving the hot pressing plate 19 to the position above the packaging box body 7 by the driving part 22 (the hot pressing plate 19 is located on one side above the packaging box body 7 before the third bending part is operated), then heating the packaging box body 7 by the hot pressing plate 19, wherein the heating position is close to the left side of the first suction cup 14, controlling the linear motor 21 to extend to drive the corresponding guide plate 20 to move upwards, bending the packaging box body 7 by 90 degrees, curling the packaging box body 7 into a rectangular cavity at the moment, and completing the bending (the openings at the two ends of the rectangular cavity are packaged after articles are filled at the later stage); when the packaging box is bent, one end of the packaging box body 7 can swing, the swinging end can be clamped above the hot pressing part 18, the position is not suitable for hot pressing, and when the driving part 22 drives the hot pressing part 18 to reset, the self shape of the packaging box body 7 is as shown in fig. 13 by using the elasticity of the packaging box body;

the driving part 22 is controlled to move again, the hot pressing plate 19 is not heated at the moment, the hot pressing wheel 59 is heated, the hot pressing wheel 59 rolls to heat the double-layer packaging box body 7, the purpose of sealing the edge of the packaging box body 7 is achieved, the reset of the driving part 22 is controlled to drive the hot pressing wheel 59 to rotate in a reciprocating mode, the power end of the hot pressing wheel 59 can be communicated with the outside through the electric slip ring, and the problem of winding of a power line is solved;

at this moment, whole packing carton body 7 is bent and is accomplished, and 14 release packing carton bodies 7 of sucking disc through the air current that air-blower 3 work produced, can blow away packing carton body 7, are convenient for bend the operation next time, can make the packing carton body 7 after the heating cool off sooner through cooling blower 6's effect, realize faster design.

Referring to fig. 1, 2 and 4, the moving portion 10 includes a rectangular hole 23 formed in the upper surface of the support frame 8, a sliding block 24 is installed at one end of the rectangular hole 23, the sliding block 24 is slidably connected with the rectangular hole 23, a solid block 25 is installed on the lower surface of the sliding block 24, a first rotating motor 9 is installed at one end of the lower surface of the support frame 8, a threaded shaft 26 in threaded connection with the solid block 25 is installed at the rotating end of the first rotating motor 9, a first bearing 27 is installed at one end of the lower surface of the support frame 8, the threaded shaft 26 is fixedly connected with the inner ring of the first bearing 27, a second linear motor 28 is installed on the lower surface of the solid block 25, an L-shaped rod 29 is installed at the telescopic end of the second linear motor 28, a second suction cup 30 is installed at one end of the L-shaped rod 29, and a connecting pipe 31 is installed between the first suction cup 14 and the second suction cup 30 and the vacuum pump 4.

Specifically, in practical application, the first rotating motor 9 rotates to drive the threaded shaft 26 to rotate, the threaded shaft 26 rotates to drive the sliding block 24 and the solid block 25 to move in the horizontal direction, the sliding block 24 and the solid block 25 can move back and forth in the horizontal direction through forward and reverse rotation of the first rotating motor 9, movement of the packaging box body 7 is achieved, when the solid block 25 moves to the rightmost end, namely when the second suction cup 30 is aligned with the center of the packaging box body 7 on the second base 2, the linear motor 28 is controlled to extend, the second suction cup 30 is driven to cling to the packaging box body 7 at the moment, the vacuum pump 4 is controlled to work to enable the second suction cup 30 to suck the packaging box body 7, the linear motor 28 is controlled to shorten a certain distance to enable the packaging box body 7 to be in a suspended state, the first rotating motor 9 is controlled to rotate to indirectly drive the packaging box body 7 to move to a bending position, at the moment, the center of the packaging box body 7 is aligned with the position of the first suction cup 14, the first suction cup 14 sucks the packaging box body 7, and the second suction cup 30 releases the packaging box body 7; the moving unit 10 is controlled to be reset and to move next time.

Referring to fig. 1, 2, 3 and 4, the positioning portion 11 includes a third linear motor 32 installed at the lower end of a second base 2, a rectangular plate 33 is installed at the telescopic end of the third linear motor 32, positioning columns 13 are installed at four corners of the upper surface of the rectangular plate 33, a rectangular through hole 34 is formed in the upper surface of the second base 2, the positioning columns 13 penetrate through the rectangular through hole 34, one surface, facing the packaging box body 7, of the upper ends of the positioning columns 13 is a curved surface, the cross section of the lower ends of the positioning columns 13 is rectangular, and the lower ends of the positioning columns 13 are attached to the rectangular through hole 34; translation portion 12 is including opening the roller hole 35 at second 2 upper surfaces of base, and roller hole 35 is equipped with a plurality of and parallel arrangement, installs live-rollers 36 in the roller hole 35, and live-rollers 36 one end is installed from driving wheel 60, installs second rotating electrical machines 37 in the second 2 of base, and driving wheel 38 is installed to second rotating electrical machines 37 rotatory end, installs drive belt 39 between driving wheel 38 and the driven wheel 37.

Specifically, in practical application, before the packaging box body 7 moves, alignment is performed to perform positioning operation, so that the moving drop point is more accurate, when the packaging box body 7 moves to the second base 2, the second rotating motor 37 is controlled to rotate, the second rotating motor 37 rotates to drive the driving wheel 38 to rotate, the driving wheel 38 rotates to drive the driven wheel 37 to rotate through the transmission belt 39, the driven wheel 37 rotates to drive the rotating roller 36 to rotate, the rotating roller 36 drives the packaging box body 7 to move to a position close to the positioning column 13, then the third linear motor 32 is controlled to extend by 2, the third linear motor 32 extends to drive the rectangular plate 33 and the four positioning columns 13 to move upwards, the position of the packaging box body 7 can be adjusted by using the curved surface of the positioning column 13 in the upwards moving process, finally, the lower end of the positioning column 13 is tightly screwed with the contour of the packaging box body 7, at this time, the position of the packaging box body 7 is at an appointed position, and then the moving part 10 aligns to move.

Referring to fig. 1, 2, 5 and 6, the downward pressing component on the primary bending part 15 comprises a first hydraulic rod 40 installed in one end of the support frame 8, a connecting plate 41 is installed at the telescopic end of the first hydraulic rod 40, a \21274plate42 is installed at the lower end of the connecting plate 41, and a hot pressing plate 19 is installed on the lower surface of the \21274plate42.

Specifically in practical application, earlier bend packing carton body 7 once, this time bend to the position of packing carton body 7 edge, its line of bending is as the position of the hot pressboard shown in figure 7 (the hot pressboard on dull and stereotyped two 61 belongs to the position of secondary bending), and the extension of control hydraulic stem one 40, hydraulic stem one 40 extension drive connecting plate 41 and a plurality of hot pressboard 19 and move down, until contacting with packing carton body 7, control hot pressboard 19 heating, the contact position is in softer state.

Referring to fig. 1, 2, 5 and 6, the lifting assembly on the first bending part 15 includes a second hydraulic rod 43 installed at the lower end of the first base 1, a first flat plate 44 is installed at the telescopic end of the second hydraulic rod 43, the guide plate 20 is installed on the upper surface of the first flat plate 44, a first through hole 45 is installed on the upper surface of the first base 1, and the guide plate 20 penetrates through the first through hole 45.

In practical application, after heating, the second hydraulic rod 43 is controlled to extend, the second hydraulic cylinder 43 extends to drive the first flat plate 44 and the guide plate 20 to move upwards, the upper end of the guide plate 20 is in contact with the edge of the packaging box body 7 at the moment, the edge is bent upwards by 90 degrees, finally, as shown in fig. 6, the bending is completed at the moment, and the second hydraulic rod 43 is controlled to shorten to drive the hot pressing plate 19 to move upwards for resetting.

Referring to fig. 1, 7, 8, 9 and 10, the pressing assembly on the secondary bending part 16 comprises a supporting plate 46 installed at the opening of the lifting 2127442, a hydraulic rod III 47 is installed at the center of the upper surface of the supporting plate 46, a flat plate II 61 is installed at the telescopic end of the hydraulic rod III 47, and the hot pressing plates 19 are installed at the two ends of the flat plate II 61.

The lifting assembly on the secondary bending part 16 comprises a hydraulic rod IV 48 arranged at the lower end of a base I1, a flat plate III 62 is arranged at the telescopic end of the hydraulic rod IV 48, the guide plate 20 is arranged on the upper surface of the flat plate III 62, a through hole II 49 is arranged on the upper surface of the base I1, and the guide plate 20 penetrates through the through hole II 49.

Specifically, in practical application, the second bending is performed, the extension of the third hydraulic rod 47 is controlled firstly, the extension of the third hydraulic rod 47 drives the second flat plate 61 and the hot pressing plate 19 to move downwards until the third hydraulic rod contacts the packaging box body 7, the extension of the fourth hydraulic rod 48 at the corresponding position is controlled after heating, the extension of the fourth hydraulic rod 48 drives the guide plate 20 to extend, the guide plate 20 moves upwards to enable the main body of the packaging box body 7 to be folded upwards, the opening of the main body is enabled to face upwards, the shortening of the fourth hydraulic rod 48 and the third hydraulic rod 47 is controlled, the guide plate 20 and the hot pressing plate 19 can be enabled to reset, and the second bending is completed at the moment.

Referring to fig. 11, 12 and 13, the driving part 22 comprises a bracket 21274mounted on the upper surface of the first base 1, the lower surface of the upper end of the bracket 50 is provided with a sliding groove 51, a sliding bar 52 is mounted in the sliding groove 51, the hot pressing plate 19 is mounted on the lower surface of the sliding bar 52, the upper end of the sliding bar 52 is provided with a toothed groove 53, the upper surface of the bracket 50 is provided with a gear hole 54, the upper surface of the bracket 50 is provided with a stepping motor 55, the rotating end of the stepping motor 55 is provided with a first gear 56 engaged with the toothed groove 53, the first gear 56 passes through the gear hole 54, and the guide plate 20 is mounted at the telescopic end of the first linear motor 21.

In practical application, after the secondary bending is completed, the stepping motor 55 is controlled to rotate, the stepping motor 55 rotates to drive the gear I56 to rotate, the gear I55 rotates to drive the tooth grooves 53 and the sliding strips 52 to move towards the packaging box body 7 until the gear I moves right above the packaging box body 7, the sliding strips 52 drive the hot pressing plates 19 to move to the bending position, although a certain gap is formed between the hot pressing plates 19 and the packaging box body 7, the packaging box body 7 can still be heated due to the fact that the distance between the hot pressing plates 19 and the packaging box body 7 is short, after heating, the linear motors I21 are controlled to extend, the linear motors I21 extend to drive the corresponding guide plates 20 to move upwards, the guide plates 20 bend the packaging box body 7 by 90 degrees, and the packaging box body 7 forms a rectangular cavity; due to the existence of the hot pressing portion 18, the seam line of the packaging box body 7 can not be completely closed, the driving portion 22 needs to be controlled to reset, at this time, the seam line is completely closed under the action of the elasticity of the packaging box body 7, as shown in fig. 13, and then the rolling operation is performed on the seam.

Referring to fig. 11, 12 and 13, the hot pressing part 18 includes a diagonal brace 57 installed at one end of the slide bar 52, a v-21274installed at an upper end of the diagonal brace 57, two hot pressing wheels 59 installed at one end of the v-21274, and two hot pressing wheels 59 installed at one end of the v-shaped brace 58, and the pack body 7 is located between the hot pressing wheels 59.

In practical application, the driving portion 22 moves again to drive the hot pressing portion 18 to move to the position of the packaging box body 7, at the moment, the packaging box body 7 is located between the hot pressing wheels 59, and the joints can be pressed together through rolling of the rolling wheels 59, so that the purpose of forming the packaging box body is achieved.

In fig. 16, a left-most positioning column 13 is a schematic front view, a middle positioning column 13 is a schematic left view, and a right-most positioning column 13 is a schematic right view.

With electrical apparatus and external controller electric connection in this application.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above embodiments only show some embodiments of the present invention, and the description is specific and detailed, but it should not be understood as the limitation of the invention patent scope, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these embodiments all fall into the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

Claims (9)

1. A plastic packaging box forming device comprises a first base (1), a second base (2), an air blower (3), a vacuum pump (4), a conveying mechanism (5), a cooling fan (6) and a packaging box body (7), wherein the vacuum pump (4) is installed at the lower end of the first base (1), the air blower (3) is arranged above the first base (1), and the cooling fan (6) is installed on one side of the first base (1), and is characterized in that a lifting limiting mechanism is arranged at the upper end of the second base (2), an automatic forming mechanism is installed on the first base (1), a supporting frame (8) is installed between the first base (1) and the second base (2), and a transfer mechanism is installed on the supporting frame (8);

the transfer mechanism comprises a first rotating motor (9) and a moving part (10), the first rotating motor (9) drives the moving part (10) to reciprocate in the horizontal direction, the moving part (10) adsorbs the packaging box body (7), and the moving part (10) drives the packaging box body (7) to move in the horizontal direction and the vertical direction;

the lifting limiting mechanism comprises a positioning part (11) and a translation part (12), the translation part (12) moves the packaging box body (7) from the conveying mechanism (5) to the upper surface of the base II (2), the positioning part (11) moves in the vertical direction, the positioning part (11) comprises a plurality of positioning columns (13), the positioning columns (13) are narrow at the top and wide at the bottom, the whole packaging box body (7) is in a cross-shaped profile, the center of the packaging box body (7) is superposed with the origin of a plane rectangular coordinate system of the packaging box body (7), and the positioning columns (13) are positioned in quadrants with different plane rectangular coordinates of the packaging box body (7); a first sucker (14) is arranged at the center of the upper surface of the first base (1);

the automatic forming mechanism comprises a first bending portion (15), a second bending portion (16), a third bending portion (17) and a hot pressing portion (18), wherein the first bending portion (15) bends the edge of the packaging box body (7), the first bending portion (15) and the second bending portion (16) respectively install a hot pressing plate (19) and a guide plate (20) on the third bending portion (17), the hot pressing plates (19) are multiple in number, the first bending portion (15) and the second bending portion (16) respectively comprise a pressing component and a lifting component, the pressing component drives the hot pressing plates (19) to move downwards to be in contact with the packaging box body (7), the hot pressing plates (19) heat contact positions, the lifting component drives the guide plate (20) to move upwards, the guide plate (20) is located on one side of the hot pressing plates (19), the guide plate (20) moves upwards to enable the packaging box body (7) to be bent for 90 degrees, and the first bending portion (15), the second bending portion (16) and the third bending portion (17) are sequentially bent;

the three-time bending part (17) comprises a linear motor I (21) and a driving part (22), the driving part (22) drives the hot pressing plate (19) to horizontally move in a reciprocating mode above and on one side above the packaging box body (7), a gap is formed between the hot pressing plate (19) and the packaging box body (7), and the linear motor I (21) drives the guide plate (20) to move upwards;

the hot pressing part (18) is arranged on the driving part (22), and the hot pressing part (18) rolls the packaging box body (7) to enable two ends of the packaging box body (7) to be adhered.

2. The plastic packaging box forming device as claimed in claim 1, wherein the moving part (10) comprises a rectangular hole (23) formed in the upper surface of the supporting frame (8), a sliding block (24) is installed at one end of the rectangular hole (23), the sliding block (24) is slidably connected with the rectangular hole (23), a solid block (25) is installed on the lower surface of the sliding block (24), a first rotating motor (9) is installed at one end of the lower surface of the supporting frame (8), a threaded shaft (26) in threaded connection with the solid block (25) is installed at the rotating end of the first rotating motor (9), a first bearing (27) is installed at one end of the lower surface of the supporting frame (8), the threaded shaft (26) is fixedly connected with the inner ring of the first bearing (27), a second linear motor (28) is installed at the lower surface of the solid block (25), an L-shaped rod (29) is installed at the telescopic end of the second linear motor (28), a second sucking disc (30) is installed at one end of the L-shaped rod (29), and a connecting pipe (31) is installed between the first sucking disc (14) and the second sucking disc (30) and the vacuum pump (4).

3. The plastic packaging box forming device as claimed in claim 2, wherein the positioning part (11) comprises a third linear motor (32) mounted at the lower end of the second base (2), a rectangular plate (33) is mounted at the telescopic end of the third linear motor (32), positioning columns (13) are mounted at four corners of the upper surface of the rectangular plate (33), a rectangular through hole (34) is formed in the upper surface of the second base (2), the positioning column (13) penetrates through the rectangular through hole (34), one surface of the upper end of the positioning column (13) facing the packaging box body (7) is a curved surface, the cross section of the lower end of the positioning column (13) is rectangular, and the lower end of the positioning column (13) is attached to the rectangular through hole (34); translation portion (12) are including opening roller hole (35) at two (2) upper surfaces of base, and roller hole (35) are equipped with a plurality of and parallel arrangement, install live-rollers (36) in roller hole (35), and from driving wheel (60) are installed to live-rollers (36) one end, install rotating electrical machines two (37) in two (2) of base, and action wheel (38) are installed to rotating electrical machines two (37) rotatory end, installs drive belt (39) between action wheel (38) and follow driving wheel (37).

4. The plastic packaging box forming device is characterized in that the downward pressing component on the primary bending part (15) comprises a first hydraulic rod (40) installed in one end of the supporting frame (8), a connecting plate (41) is installed at the telescopic end of the first hydraulic rod (40), a v-21274plate (42) is installed at the lower end of the connecting plate (41), and a hot pressing plate (19) is installed on the lower surface of the v-21274plate (42).

5. A plastic packing box forming device according to claim 4, characterized in that the lifting assembly on the one-time bending part (15) comprises a second hydraulic rod (43) installed at the lower end of the first base (1), a first flat plate (44) is installed at the telescopic end of the second hydraulic rod (43), the guide plate (20) is installed on the upper surface of the first flat plate (44), a first through hole (45) is installed on the upper surface of the first base (1), and the guide plate (20) penetrates through the first through hole (45).

6. The plastic packaging box forming device is characterized in that the downward pressing component on the secondary bending part (16) comprises a supporting plate (46) arranged at the opening of the v-2127442, a hydraulic rod III (47) is arranged at the center of the upper surface of the supporting plate (46), a flat plate II (61) is arranged at the telescopic end of the hydraulic rod III (47), and the hot pressing plate (19) is arranged at two ends of the flat plate II (61).

7. A plastic packaging box forming device according to claim 6, wherein the lifting assembly on the secondary bending portion (16) comprises a hydraulic rod four (48) installed at the lower end of the base I (1), a flat plate three (62) is installed at the telescopic end of the hydraulic rod four (48), the guide plate (20) is installed on the upper surface of the flat plate three (62), a through hole II (49) is installed on the upper surface of the base I (1), and the guide plate (20) penetrates through the through hole II (49).

8. The plastic packaging box forming device of claim 7, wherein the driving portion (22) comprises a v-21274mounted on the upper surface of the base I (1), a v-21274, a sliding groove (51) formed in the lower surface of the upper end of the v-shaped frame (50), a sliding bar (52) mounted in the sliding groove (51), a hot pressing plate (19) mounted on the lower surface of the sliding bar (52), a tooth groove (53) and a gear hole (54) formed in the upper end of the sliding bar (52), a v-21274formed in the upper surface of the v-shaped frame (50), a stepping motor (55) mounted on the upper surface of the v-shaped frame (50), a first gear (56) meshed with the tooth groove (53) mounted at the rotating end of the stepping motor (55), the first gear (56) penetrates through the gear hole (54), and a guide plate (20) mounted at the telescopic end of the linear motor I (21).

9. A plastic packing box forming device according to claim 8, characterized in that the hot pressing part (18) comprises a diagonal brace (57) installed at one end of the sliding strip (52), the upper end of the diagonal brace (57) is provided with a v-21274, a shaped fork (58) and a v-21274, one end of the shaped fork (58) is provided with a hot pressing wheel (59), two hot pressing wheels (59) are provided, and the packing box body (7) is positioned between the hot pressing wheels (59).

Images