CN211165525U

CN211165525U - Down-pressing box folding mechanism

Info

Publication number: CN211165525U
Application number: CN201921782261.8U
Authority: CN
Inventors: 欧阳雄军
Original assignee: Shenzhen Skyworth Digital Technology Co Ltd
Current assignee: Shenzhen Skyworth Digital Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-04
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a press down and roll over box mechanism, including the mesa, with the relative mounting bracket that sets up of mesa, set up hold-down mechanism, lower insertion mechanism and the side brace mechanism on the mounting bracket to and the folding device who sets up relatively with the mounting bracket, hold-down mechanism, side brace mechanism and lower insertion mechanism move to the mesa direction along the mounting bracket, folding device locates around the mesa. When the folding board needs to be bent, the folding board is firstly arranged on the table board, the pressing mechanism and the lower inserting mechanism are used for pressing and positioning the folding board, the folding board is firstly bent by the folding device, the lower inserting mechanism returns, the folding device is used for bending the folding board for the second time, the side supporting mechanism and the folding device are respectively abutted to two opposite sides of the secondary bending position of the folding board, and finally the folding device, the side supporting mechanism, the lower inserting mechanism and the pressing mechanism are sequentially loosened, taken out of the table board and then enter the next box folding cycle, the whole box folding process is automatically completed, so that the box folding efficiency is high, the quality is good, and the consistency is good.

Description

Down-pressing box folding mechanism

Technical Field

The utility model relates to the field of packaging technology, especially, relate to a roll over box mechanism down.

Background

Along with the improvement of people's standard of living, also the requirement to the quality and the outward appearance of commodity is higher and higher, and wherein the packing has played the effect of lifting the foot, and at present, the production is still to the folding of packing carton and is stopped in traditional operation, rolls over the box through manual operation promptly, and its efficiency is not high, and it is bigger to roll over the box operation manpower consumption to the staff repeatedly moreover, also can not reach the quality and the uniformity requirement of rolling over the box.

In view of the above-mentioned drawbacks, it is necessary to provide a new downward-folding box mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a roll over box mechanism under pushing down aims at solving artifical roll over box inefficiency and roll over the quality of box low and inconsistent problem.

In order to achieve the above purpose, the utility model provides a box pressing and folding mechanism comprises a table top for placing a paper board to be folded, a mounting rack arranged opposite to the table top, a pressing mechanism, a lower inserting mechanism and a side supporting mechanism arranged on the mounting rack, and a folding device arranged opposite to the mounting rack, wherein the pressing mechanism, the side supporting mechanism and the lower inserting mechanism move towards the direction of the table top along the mounting rack, and the folding device is arranged around the table top; the pressing mechanism is used for pressing the paper board to be folded, the downward inserting mechanism is used for positioning a bending line of the paper board to be folded, the folding device is used for bending the paper board to be folded, and the side supporting mechanisms are used for respectively abutting against two opposite sides of the bent paper board to be folded with the folding device.

Preferably, the lower inserting mechanism comprises two lower inserting assemblies respectively arranged on two sides of the pressing mechanism, and the side supporting mechanism comprises two side supporting assemblies respectively arranged on two sides of the pressing mechanism.

Preferably, the side props the subassembly include with the side props the fixed part that the mounting bracket is connected, establish first side props the driving piece on the side props the fixed part, with the side props the portion that first side props the driving piece and connects, first side props the driving piece and is used for the drive the side props the portion edge the mounting bracket to the direction motion of mesa.

Preferably, the side support part comprises an installation part connected with the first side support driving part, a second side support driving part connected with the installation part, and a side support part connected with the second side support driving part, wherein the second side support driving part is used for driving the side support part to reciprocate along the direction from the pressing mechanism to the folding device.

Preferably, the side props the piece including with the first fagging that the second side props driving part is connected, with connecting plate that first fagging is connected, with second fagging and third fagging and the setting that the connecting plate is connected are in guide on the connecting plate, first fagging is located the second fagging with between the third fagging, the installed part deviates from the one end of first side props the drive division is provided with first spout, the guide is in slide in the first spout.

Preferably, the lower insert assembly comprises a lower insert fixing portion connected with the mounting frame, a lower insert driving portion arranged on the lower insert fixing portion, and a lower insert portion connected with the lower insert driving portion, wherein the lower insert driving portion is used for driving the lower insert portion to move along the direction of the table top along the mounting frame.

Preferably, two the second spout has been seted up respectively on the side brace fixed part, lower portion of inserting is including respectively two gliding two guide bars of second spout, with the connecting piece that lower drive division is connected, relative interval set up two lower plug-ins on the connecting piece, the both ends of connecting piece respectively with two the guide bar is connected, lower drive division is used for driving lower plug-in components are followed the mounting bracket is to the direction motion of mesa.

Preferably, the connecting piece includes a connecting block connected with the lower insertion driving part and a guide rail connected with the connecting block, two lower insertion pieces are arranged on the guide rail at relative intervals, each lower insertion piece includes a sliding block arranged along the guide rail in a sliding manner, an insertion strip connected with the sliding block, and a stop block arranged at one end of the insertion strip far away from the sliding block.

Preferably, hold-down mechanism include with the mounting bracket is connected compress tightly the fixed part, set up and be in compress tightly the drive division on the fixed part, with compress tightly the compact heap that the drive division is connected, it is used for driving to compress tightly the drive division the compact heap is followed the mounting bracket to the direction motion of mesa.

Preferably, the mounting bracket includes first base, with first motor that first base is connected, with first lead screw and second base that first motor is connected and set up along first direction, with second motor that the second base is connected, with the second lead screw that the second motor is connected and set up along the second direction, insert the mechanism down with first lead screw rotationally connects, first motor drive first lead screw is rotatory in order to drive insert the subassembly down and remove along first direction, the side props the mechanism with the second lead screw is rotationally connected, second motor drive the second lead screw is rotatory in order to drive the side props the subassembly and removes along the second direction.

In the technical scheme of the utility model, the box pressing and folding mechanism comprises a table top for placing a paper board to be folded, a mounting rack arranged opposite to the table top, a pressing mechanism, a lower inserting mechanism and a side supporting mechanism arranged on the mounting rack, and a folding device arranged opposite to the mounting rack, wherein the pressing mechanism, the side supporting mechanism and the lower inserting mechanism move towards the direction of the table top along the mounting rack, and the folding device is arranged around the table top; the pressing mechanism is used for pressing the paper folding plates to be folded, the lower inserting mechanism is used for positioning the bending lines of the paper folding plates to be folded, the folding device is used for bending the paper folding plates to be folded, and the side supporting mechanisms are used for respectively abutting against the two opposite sides of the bent paper folding plates to be folded with the folding device. When the folding board needs to be folded, the folding board is firstly arranged on the table board, the pressing mechanism and the lower inserting mechanism are used for pressing and positioning the folding board, the folding device arranged around the table board is used for bending the folding board for the first time, the lower inserting mechanism is used for loosening the folding board to be returned, the folding device is used for bending the folding board for the second time, the side supporting mechanism and the folding device are respectively abutted against two opposite sides of the secondary bending position of the folding board to be folded, and finally the folding device, the side supporting mechanism, the lower inserting mechanism and the pressing mechanism are sequentially loosened, the folded box is taken out from the table board and enters the next box folding cycle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the adjustable mechanism of the downward-pressing folding box of the present invention;

FIG. 2 is a schematic structural view of the adjustable mechanism of the downward-pressing folding box of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1;

fig. 4 is an enlarged schematic structural view of a portion B shown in fig. 1.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a roll over box mechanism down presses aims at solving artifical roll over box inefficiency and roll over the quality of box low and inconsistent problem.

Referring to fig. 1 and 2, the box pressing and folding mechanism includes a table top 1 for placing a paper board to be folded (not shown), an installation frame 2 arranged opposite to the table top 1, a pressing mechanism 3 arranged on the installation frame 2, a lower insertion mechanism (not shown), a side support mechanism (not shown), and a folding device (not shown) arranged opposite to the installation frame 2, wherein the pressing mechanism 3, the side support mechanism, and the lower insertion mechanism move towards the table top 1 along the installation frame 2, and the folding device is arranged around the table top 1; the pressing mechanism 3 is used for pressing the paper folding plates to be folded, the lower inserting mechanism is used for positioning the bending lines of the paper folding plates to be folded, the folding device is used for bending the paper folding plates to be folded, and the side supporting mechanisms are used for respectively abutting against the two opposite sides of the bent paper folding plates to be folded with the folding device.

The utility model discloses a box mechanism is rolled over in lower pressure, when needs treat the cardboard and buckle the processing, will wait to roll over the cardboard and put on mesa 1 first, by hold-down mechanism 3 and lower insertion mechanism from mounting bracket 2 to the direction motion that is close to mesa 1, make hold-down mechanism 3 and lower insertion mechanism support and hold on waiting to roll over the cardboard, in order to treat the cardboard and compress tightly the location, wherein, it has the bending line to roll over in advance on waiting to roll over the cardboard, promote waiting to roll over the cardboard by the folding device that locates around mesa 1, so that wait to roll over the cardboard and buckle along the bending line, accomplish the first bending; the lower inserting mechanism returns to the original position, the folding device bends the bent paper boards for the second time, the paper boards bent at two sides form side plates of the paper box, the side supporting mechanism moves from the mounting frame 2 to the direction close to the table board 1, the side supporting mechanism and the folding device respectively support against two opposite sides of the bending position of the paper boards to be folded, so that the bending forming degree is strengthened, the side supporting mechanism and the pressing mechanism 3 return to the original position, and the box folding is completed. Because the whole box folding process is automatically finished, the box is not folded manually, so that the box folding efficiency is high, the box folding quality is good, and the consistency is good.

Furthermore, the lower inserting mechanism comprises two lower inserting components 5 which are respectively arranged at two sides of the pressing mechanism 3, and the side supporting mechanism comprises two side supporting components 7 which are respectively arranged at two sides of the pressing mechanism 3. General box includes 4 curb plates, so adopt two lower insert subassembly 5 of relative setting and two side brace subassemblies 7 of relative setting, when the cardboard is treated to needs and is buckled the processing, the opposite side of treating the cardboard by two lower insert subassembly 5 of relative setting is fixed a position, thereby four sides that the cardboard was treated to cooperation folding device are buckled, make a lot of bending of treating the cardboard can merge and once bend, the efficiency of the box of rolling over is improved, moreover, when treating the cardboard and carry out the secondary and buckle, two side brace subassemblies 7 of relative setting will treat the cardboard secondary and buckle the department and simultaneously butt to the folding device who corresponds, make the department of bending difficult bounce, the efficiency of the box of rolling over has been improved simultaneously. In addition, when the box has a plurality of pairs of side plates, a plurality of pairs of lower inserting components 5 and a plurality of pairs of side supporting components 7 can be correspondingly arranged so as to improve the efficiency and the quality of the box folding.

Still further, as shown in fig. 1, in order to facilitate better folding the box, the side brace assembly 7 includes a side brace fixing portion 71 connected to the mounting frame 2, a first side brace driving member 72 disposed on the side brace fixing portion 71, and a side brace portion 73 connected to the first side brace driving member 72, wherein the first side brace driving member 72 is configured to drive the side brace portion 73 to move along the mounting frame 2 toward the table top 1. When waiting to roll over the cardboard and bending for the secondary, lower insertion mechanism is by mesa 1 to the motion of 2 directions of mounting bracket, folding device treats that the cardboard bends for the secondary, lower insertion mechanism is by mounting bracket 2 to the motion of 1 direction of mesa, first side props driving piece 72 drive side supporting portion 73 and moves along mounting bracket 2 to the direction of mesa 1 for side supporting portion 73 is close to the secondary department of bending of waiting to roll over the cardboard, the secondary department of bending of the cardboard is treated with the folding device butt to side supporting portion 73, with the fixed cardboard of buckling. After the fixing is completed, the first side supporting driving member 72 drives the side supporting portion 73 to move along the table top 1 toward the mounting frame 2.

Referring to fig. 3, the side supporting part 73 includes an installation part 731 connected to the first side supporting driving part 72, a second side supporting driving part 733 connected to the installation part 731, and a side supporting part 734 connected to the second side supporting driving part 733, wherein the second side supporting driving part 733 is used for driving the side supporting part 734 to reciprocate along the direction from the pressing mechanism 3 to the folding device. When the secondary bending position of the board to be folded needs to be abutted, the first side support driving part 72 drives the side support part 73 to move along the direction from the mounting rack 2 to the table top 1, so that the side support part 73 is close to the secondary bending position of the board to be folded, the second side support driving part 733 drives the side support part 734 to move along the direction from the pressing mechanism 3 to the folding device, so as to abut the secondary bending position of the board to be folded to the folding device, after the abutment is completed, the second side support driving part 733 drives the side support part 734 to move along the direction from the folding device to the pressing mechanism 3, the abutment of the secondary bending position of the board to be folded is released, the first side support driving part 72 drives the side support part 73 to move along the direction from the table top 1 to the mounting rack 2, wherein the second side support driving part 733 drives the side support part 734 to reciprocate twice between the folding device and the pressing mechanism 3, so, therefore, after the bent paper board to be folded is loosened, the secondary bending position of the paper board to be folded is not easy to rebound.

Further, the side support member 734 includes a first side support plate 735 connected to the second side support driving member 733, a connecting plate 738 connected to the first side support plate 735, a second side support plate 736 and a third side support plate 737 connected to the connecting plate 738, and a guide member 739 disposed on the connecting plate 738, wherein the first side support plate 735 is located between the second side support plate 736 and the third side support plate 737, one end of the mounting member 731 facing away from the first side support driving portion is provided with a first sliding groove 732, and the guide member 739 slides in the first sliding groove 732. When the secondary bending part of the paper board to be folded is abutted, the second side supporting driving part 733 drives the first side supporting plate 735, the second side supporting plate 736 and the third side supporting plate 737 to move along the pressing mechanism 3 to the direction of the folding device, the first side supporting plate 735, the second side supporting plate 736 and the third side supporting plate 737 abut the secondary bending part of the paper board to be folded to the folding device, the first side supporting plate 735 is positioned between the second side supporting plate 736 and the third side supporting plate 737, the distance between the second side supporting plate 736, the third side supporting plate 737 and the first side supporting plate 735 can be adjusted to adapt to paper boards to be folded with different sizes, when the sheet to be folded is large, the distances between the second side support plate 736 and the first side support plate 735, and between the third side support plate 737 and the first side support plate 735 are increased, when the sheet to be folded is small, the distances between the second side support plate 736 and the first side support plate 735, and between the third side support plate 737 and the first side support plate 735 are reduced. In addition, when the second side supporting driving member 733 drives the first side supporting plate 735, the second side supporting plate 736 and the third side supporting plate 737 to reciprocate between the pressing mechanism 3 and the folding device, the guide member 739 slides in the first sliding groove 732 to guide the reciprocating motion, so that the positions of the second bending position of the paper folding plate to be abutted to the folding device are accurate, the bending quality of the second bending position of the paper folding plate to be folded can be ensured, the second side supporting driving member 733 and the relevant parts of the movement thereof can be protected, and the service lives of the second side supporting driving member 733 and the relevant parts of the movement thereof are prolonged.

Further, as shown in fig. 1 and 2, in order to realize multiple functions, the lower insertion assembly 5 includes a lower insertion fixing portion 51 connected to the mounting frame 2, a lower insertion driving portion 52 provided on the lower insertion fixing portion 51, and a lower insertion portion 53 connected to the lower insertion driving portion 52, wherein the lower insertion driving portion 52 is configured to drive the lower insertion portion 53 to move in a direction of the mounting frame 2 toward the table top 1. When the paper board to be folded needs to be folded, the pressing mechanism 3 presses and positions the paper board to be folded, and meanwhile, the lower inserting driving part 52 drives the lower inserting part 53 to move along the direction from the mounting rack 2 to the table board 1, so that the lower inserting part 53 positions the paper board to be folded, and the four side faces of the paper board to be folded are folded by matching with a folding device; when treating a cardboard and bending for the second time, insert driving part 52 drive down and insert portion 53 along mesa 1 to the direction motion of mounting bracket 2, folding device treats a cardboard and bends for the second time, insert driving part 52 drive down and insert portion 53 along the direction motion of mounting bracket 2 to mesa 1 for insert portion 53 down and treat the secondary department of bending of a cardboard and keep the state of bending, on this basis, first side fagging 735, second side fagging 736 and third fagging 737 will treat that the secondary department of bending of a cardboard butt to folding device.

Referring to fig. 3 and 4, the two side support fixing portions 71 are respectively provided with a second sliding groove 711, the lower insertion portion 53 includes two guiding rods 531 sliding in the second sliding grooves 711, a connecting member 532 connected to the lower insertion driving portion 52, and two lower insertion members 535 relatively arranged on the connecting member 532 at intervals, two ends of the connecting member 532 are respectively connected to the two guiding rods 531, and the lower insertion driving portion 52 is configured to drive the lower insertion members 535 to move along the mounting frame 2 toward the table top 1. When the lower plug-in driving part 52 drives the lower plug-in 535 to move between the mounting frame 2 and the table top 1, the guide rod 531 connected with the lower plug-in 535 through the connecting piece 532 slides in the second sliding groove 711, and the movement of the lower plug-in 535 driven by the lower plug-in driving part 52 can be better guided through the matching of the guide rod 531 and the second sliding groove 711, so that the positioning of the paper board to be folded is more accurate, and the folding quality of the paper board to be folded is improved. Moreover, the two ends of the connecting member 532 are respectively connected with the two guide rods 531, so that the impact of the folding device on the lower plug-in unit 535 in the bending process can be well absorbed, the bending quality of the paper board to be folded in the continuous bending process can be protected, and the bending consistency of the paper board to be folded can be maintained. In addition, two second sliding grooves 711 are formed in the side supporting fixing portion 71, and the distance between the two second sliding grooves 711 in the side supporting fixing portion 71 can be adjusted to adapt to the paper boards to be folded in different sizes.

In a preferred embodiment, as shown in fig. 1, the connecting member 532 includes a connecting block 533 connected to the lower insertion driving part 52 and a guide rail 534 connected to the connecting block 533, two lower inserts 535 are oppositely and spaced on the guide rail 534, and each lower insert 535 includes a sliding block 536 slidably disposed along the guide rail 534, an insert 537 connected to the sliding block 536, and a stopper 538 disposed at an end of the insert 537 remote from the sliding block 536. When the paperboard to be folded is positioned, the adjacent two sides of the paperboard to be folded are positioned by the inserting strips 537 and the stop blocks 538 connected with the inserting strips 537, the connecting mode of the inserting strips 537 and the stop blocks 538 can save materials while the adjacent two sides of the paperboard to be folded are positioned, and one ends of the inserting strips 537 and the stop blocks 538, which are far away from the sliding block 536, are arranged to be the same plane, and the inserting strips 537 and the stop blocks 538 are driven by the lower inserting driving part 52 to enable the plane to be abutted against the paperboard to be folded; the two lower inserts 535 are oppositely arranged on the guide rail 534 at intervals, the distance between the two lower inserts 535 can be adjusted to adapt to the paper boards to be folded with different sizes, when the paper boards to be folded are larger, the distance between the two lower inserts 535 is increased by moving the sliding block 536 along the direction of the guide rail 534, a plurality of inserting strips 537 can be arranged between the two lower inserts 535, so that when the paper boards to be folded are folded, the corresponding parts between the paper boards to be folded and the two lower inserts 535 can be abutted on the plurality of inserting strips 537 by the folding device, the parts of the paper boards to be folded are better folded, and when the paper boards to be folded are smaller, the distance between the two lower inserts 535 is reduced by moving the sliding block 536 along the direction of the guide rail 534.

Further, as shown in fig. 1 and fig. 2, the pressing mechanism 3 includes a pressing fixing portion 31 connected to the mounting frame 2, a pressing driving portion 32 disposed on the pressing fixing portion 31, and a pressing block 33 connected to the pressing driving portion 32, and the pressing driving portion 32 is configured to drive the pressing block 33 to move along the mounting frame 2 toward the table top 1. When the cardboard is treated to needs and is compressed tightly, by compressing tightly 32 drive compact heap 33 along the direction motion of mounting bracket 2 to mesa 1 of drive division for compact heap 33 will treat the cardboard and press on mesa 1, thereby guarantee to treat going on smoothly of cardboard bending process, after treating the cardboard and buckle, compress tightly drive division 32 drive compact heap 33 along the direction motion of mesa 1 to mounting bracket 2, make compact heap 33 loosen and treat the cardboard, and then take out and treat the cardboard.

In addition, as shown in fig. 1, the mounting frame 2 includes a first base 21, a first motor 22 connected to the first base 21, a first lead screw (not labeled) connected to the first motor 22 and disposed along a first direction, a second base 23, a second motor 24 connected to the second base 23, and a second lead screw (not labeled) connected to the second motor 24 and disposed along a second direction, the lower insertion mechanism is rotatably connected to the first lead screw, the first motor 22 drives the first lead screw to rotate so as to drive the lower insertion assembly 5 to move along the first direction, the side support mechanism is rotatably connected to the second lead screw, and the second motor 24 drives the second lead screw to rotate so as to drive the side support assembly 7 to move along the second direction. Preferably, the first direction is perpendicular to the second direction, wherein the first direction is the X direction shown in fig. 1, and the second direction is the Y direction shown in fig. 1, when the lower insertion mechanism is installed on the first base 21 and the side support mechanism is installed on the second base 23, due to manufacturing and installation errors, the lower insertion assembly 5 and the side support assembly 7 cannot correspond to the table top 1 and the folding device around the table top 1 well, at this time, the first motor 22 is required to drive the first lead screw to rotate so as to drive the lower insertion assembly 5 to move along the first direction, and the second motor 24 drives the second lead screw to rotate so as to drive the side support assembly 7 to move along the second direction, so that the lower insertion assembly 5 and the side support assembly 7 can correspond to the table top 1 and the folding device well, thereby facilitating manual alignment, shortening installation and debugging time, and reducing installation and debugging costs.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The box pressing and folding mechanism is characterized by comprising a table top for placing a paper board to be folded, an installation frame arranged opposite to the table top, a pressing mechanism, a lower inserting mechanism, a side supporting mechanism and a folding device arranged opposite to the installation frame, wherein the pressing mechanism, the side supporting mechanism and the lower inserting mechanism move towards the direction of the table top along the installation frame; the pressing mechanism is used for pressing the paper board to be folded, the downward inserting mechanism is used for positioning a bending line of the paper board to be folded, the folding device is used for bending the paper board to be folded, and the side supporting mechanisms are used for respectively abutting against two opposite sides of the bent paper board to be folded with the folding device.

2. The bottom folding box mechanism according to claim 1, wherein said bottom inserting mechanism includes two bottom inserting components separately disposed on both sides of said pressing mechanism, and said side supporting mechanism includes two side supporting components separately disposed on both sides of said pressing mechanism.

3. The bottom folding box mechanism as claimed in claim 2, wherein said side brace assembly includes a side brace fixing portion connected to said mounting bracket, a first side brace driving member provided on said side brace fixing portion, and a side brace portion connected to said first side brace driving member, said first side brace driving member being configured to drive said side brace portion to move along said mounting bracket toward said table top.

4. The bottom folding box mechanism as claimed in claim 3, wherein said side support member includes a mounting member connected to said first side support driving member, a second side support driving member connected to said mounting member, and a side support member connected to said second side support driving member, said second side support driving member being adapted to drive said side support member to reciprocate in a direction from said pressing mechanism to said folding device.

5. The bottom folding box mechanism according to claim 4, wherein the side supporting member comprises a first side supporting plate connected to the second side supporting driving member, a connecting plate connected to the first side supporting plate, a second side supporting plate and a third side supporting plate connected to the connecting plate, and a guiding member disposed on the connecting plate, the first side supporting plate is located between the second side supporting plate and the third side supporting plate, and a first sliding groove is disposed at an end of the mounting member facing away from the first side supporting driving portion, and the guiding member slides in the first sliding groove.

6. The downward-folding cassette mechanism according to claim 3, wherein said downward-inserting assembly includes a downward-inserting fixing portion connected to said mounting frame, a downward-inserting driving portion provided on said downward-inserting fixing portion, and a downward-inserting portion connected to said downward-inserting driving portion, said downward-inserting driving portion being configured to drive said downward-inserting portion to move in a direction toward said table top along said mounting frame.

7. The downward-pressing box-folding mechanism according to claim 6, wherein the two side-supporting fixing portions are respectively provided with a second sliding groove, the downward-inserting portion includes two guide rods respectively sliding in the two second sliding grooves, a connecting member connected to the downward-inserting driving portion, and two downward-inserting members relatively arranged on the connecting member at intervals, two ends of the connecting member are respectively connected to the two guide rods, and the downward-inserting driving portion is used for driving the downward-inserting members to move along the direction from the mounting frame to the table top.

8. The downward-folding cassette mechanism according to claim 7, wherein said connecting member includes a connecting block connected to said downward-insertion driving portion and a guide rail connected to said connecting block, two of said downward-insertion members are disposed on said guide rail at a relatively spaced interval, and said downward-insertion member includes a slider slidably disposed along said guide rail, an insert connected to said slider, and a stopper disposed at an end of said insert remote from said slider.

9. The downward folding box mechanism according to any one of claims 1 to 8, wherein the pressing mechanism includes a pressing fixing portion connected to the mounting bracket, a pressing driving portion provided on the pressing fixing portion, and a pressing block connected to the pressing driving portion, and the pressing driving portion is configured to drive the pressing block to move in a direction from the mounting bracket to the table top.

10. The bottom folding box mechanism according to any one of claims 2 to 8, wherein the mounting bracket comprises a first base, a first motor connected to the first base, a first lead screw connected to the first motor and disposed along a first direction, a second base, a second motor connected to the second base, and a second lead screw connected to the second motor and disposed along a second direction, the bottom inserting mechanism is rotatably connected to the first lead screw, the first motor drives the first lead screw to rotate to drive the bottom inserting assembly to move along the first direction, the side supporting mechanism is rotatably connected to the second lead screw, and the second motor drives the second lead screw to rotate to drive the side supporting assembly to move along the second direction.