CN212196134U

CN212196134U - Three-dimensional box forming mechanism

Info

Publication number: CN212196134U
Application number: CN202020413819.1U
Authority: CN
Inventors: 木文武
Original assignee: Zhejiang Yaojia Machinery Co ltd
Current assignee: Zhejiang Yaojia Machinery Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-12-22
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a three-dimensional box forming mechanism, which has the technical proposal that the three-dimensional box forming mechanism comprises a frame, a feeding and conveying device, a discharging and conveying device and a turnover device, wherein the turnover device comprises a punching plate which can push a planar material to move to the discharging and conveying device and a baffle which can be matched with the punching plate to fold the planar material into a three-dimensional packaging box; the baffle is rotationally connected to the rack, the baffle comprises a first state that the distance between the baffle and the conveying plane is smaller than the thickness of the plane material and a second state that the punching plate pushes and folds the three-dimensional packaging box to pass through the space between the baffle and the conveying plane when rotating, and the rack is provided with a reset piece which can drive the baffle in the second state to reset to the first state; the feeding and conveying device drives the plane material to be abutted against the baffle and the stamping plate can push the plane material to turn the turnover surface of the plane material when the turnover surface slides along the height direction of the baffle around the crease, and the baffle rotates to the second state. The mechanism can be used for forming a plane material into a packaging box in a three-dimensional mode.

Description

Three-dimensional box forming mechanism

Technical Field

The utility model relates to a packaging machinery equipment technical field, more specifically say, it relates to a three-dimensional box forming mechanism.

Background

The packing box is one of indispensable article in people's daily life. Various packaging boxes are seen everywhere in life. The forming process of the packing box is also different due to the construction of the packing box.

With the rapid development of modern industry and the continuous improvement of living standard of people, the demand of people on the packing box will be increased continuously. The degree of automation of the forming process of the packaging box is raised as an improvement target for each manufacturer.

When the folding packaging box is formed, although the paperboard to be formed is provided with the reserved crease lines, the folding packaging box needs to be manually completed by people, which brings much inconvenience to people. There is therefore a need for an efficient and stable apparatus for automatically forming cardboard sheets to be formed into usable three-dimensional packages. In addition, improving the forming quality and reducing the production cost are also market pressures and difficulties faced by the carton forming enterprises, which requires applying new technologies in the carton packaging production process, continuously improving the automation degree of the equipment, and reducing the adjustment time of the equipment and the auxiliary preparation time of the movable parts. The competitiveness of a packaging box forming enterprise can be improved only by continuously adapting to new changes of the market and meeting the requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a three-dimensional box forming mechanism, this mechanism can be a packing carton with a planar material three-dimensional forming.

In order to achieve the above purpose, the utility model provides a following technical scheme: a three-dimensional box forming mechanism comprises a rack, a feeding and conveying device, a discharging and conveying device and a turnover device, wherein the feeding and conveying device is arranged on the rack and used for conveying a planar material, the discharging and conveying device is used for conveying and turning over the planar material into a three-dimensional packaging box, the turnover device is positioned between the feeding and conveying device and the discharging and conveying device and comprises a punching plate, a baffle and a turnover driving part, the punching plate is positioned on one side of the feeding and conveying device and can push the planar material to move towards one side of the discharging and conveying device, the baffle is positioned on one side of the discharging and conveying device and can be matched with the punching plate to turn over the planar material into the;

the direction of the turnover driving part for driving the punching plate to move is parallel to the direction of the feeding and conveying device for driving the plane material to convey, and a gap for the plane material to pass through is reserved between the conveying plane of the feeding and conveying device and the punching plate;

the turnover driving part comprises a driving wheel rotationally connected to the rack, a driving slide rod connected to the rack in a sliding manner, a driving connecting rod rotationally connected between the driving wheel and the driving slide rod, and a driver for driving the driving wheel to rotate, wherein the sliding direction of the driving slide rod on the rack is consistent with the conveying direction of the feeding conveying device, the punching plate is connected to the driving slide rod, and the driving wheel can drive the driving slide rod to slide on the rack in a reciprocating manner along the conveying direction of the feeding conveying device through driving connection in the rotating process;

the baffle is rotatably connected to the rack, the rotating axial direction of the baffle on the rack is parallel to the conveying plane of the feeding conveying device, the rotating axial direction of the baffle on the rack is perpendicular to the conveying direction of the feeding conveying device, the baffle comprises a first state that the distance between the lower end of the baffle and the conveying plane of the feeding conveying device is smaller than the thickness dimension of a planar material and a second state that the baffle is pushed, folded and folded into a three-dimensional packaging box to pass through the lower end of the baffle and the conveying plane of the feeding conveying device when rotating, and a reset piece capable of driving the baffle in the second state to reset into the first state is arranged on the rack;

the feeding and conveying device drives one side of the plane material to abut against the baffle, the punching plate can push the plane material to enable the turnover surface of the plane material to turn over towards one side of the feeding and conveying device when the turnover surface of the plane material slides along the height direction of the baffle around the crease, and the baffle rotates towards the second state.

The utility model discloses further set up to: the utility model discloses a slide-type conveyor, including the frame, the frame slides and is connected with the mounting bracket that is used for supplying to turn over a driver part installation, the mounting bracket slides the installation slide bar of being connected including supplying to turn over the mounting panel that a driver part installed and with the mounting panel, the mounting panel can be followed the length direction of installation slide bar and slided, the axial of installation slide bar and feeding conveyor's transport plane parallel arrangement to the axial of installation slide bar sets up with feeding conveyor's direction of delivery is perpendicular.

The utility model discloses further set up to: and a locking assembly capable of realizing locking and fixing of the mounting plate and the mounting slide bar is arranged between the mounting plate and the mounting slide bar.

The utility model discloses further set up to: the support frame is connected to the rack in a sliding mode and used for installing the turnover driving part, and the sliding direction of the support frame on the rack is consistent with the conveying direction of the feeding conveying device.

The utility model discloses further set up to: the frame is fixedly provided with a sliding rail connected with the support frame in a sliding manner, and a locking assembly capable of realizing locking and fixing of the support frame and the sliding rail is arranged between the support frame and the sliding rail.

The utility model discloses further set up to: the driving slide rod is fixedly provided with an installation slide seat used for being connected with the punching plate in a sliding mode, the sliding direction of the punching plate on the installation slide seat is parallel to the conveying plane of the feeding conveying device, and the sliding direction of the punching plate on the installation slide seat is perpendicular to the conveying direction of the feeding conveying device.

The utility model discloses further set up to: and a locking assembly capable of realizing locking and fixing of the punching plate and the installation sliding seat is arranged between the punching plate and the installation sliding seat.

The utility model discloses further set up to: the feeding conveying device and the discharging conveying device comprise an upper conveying belt component and a lower conveying belt component which can be respectively used for clamping and conveying plane materials and three-dimensional packaging boxes.

To sum up, the utility model discloses following beneficial effect has: the baffle keeps a first state in a natural state, namely the distance between the lower end of the baffle and the conveying plane of the feeding and conveying device is smaller than the thickness dimension of the plane material, so that the plane material can be abutted against the baffle when the feeding and conveying device conveys the plane material, and the turnover surface abutted against the baffle in the plane material can be turned upwards around a crease after the plane material is abutted against the baffle due to the continuous conveying of the feeding and conveying device, namely one side of the turnover surface slides upwards along the height direction of the baffle; the punching plate can move towards the baffle under the driving of the turnover driving part, so that the plane material can be pushed to slide between the baffle and the conveying plane of the feeding conveying device, and the turnover surface can turn towards one side of the feeding conveying device.

The two ends of the driving connecting rod are respectively hinged with the driving wheel and the driving slide bar, the two hinged shafts are axially arranged in parallel, the hinged shaft of the driving connecting rod on the driving wheel is eccentrically arranged with the center of a rotating shaft of the driving wheel on the rack, so that the driving wheel can drive the driving slide bar to slide on the rack in a reciprocating manner in the rotating process, and the driver can select a servo motor to conveniently drive the driving wheel to rotate at a constant speed; and the sliding direction of the driving slide rod on the frame is consistent with the conveying direction of the feeding conveying device, so that the punching plate can be driven to slide in a reciprocating manner, and the three-dimensional forming of the packaging box is realized. The turnover driving part can realize reciprocating sliding of the punching plate through the motor and the connecting rod transmission structure, and the motor can drive the punching plate to complete the forming of a three-dimensional box when rotating for one circle, so that the turnover driving part is high in efficiency, stable in transmission, high in precision, low in noise, simple in structure, convenient to assemble, maintain and adjust, and long in service life.

Consequently, the shaping can be buckled in the automation that three-dimensional box forming mechanism of this application can realize the packing carton, can be efficient and stable treat fashioned cardboard automatic molding for three-dimensional packing carton to be favorable to improving shaping quality and reduction in production cost.

Drawings

FIG. 1 is a schematic structural diagram of a three-dimensional box forming mechanism;

fig. 2 is a schematic perspective view of the folding device.

Reference numerals: 1. a frame; 11. a feed conveyor; 12. a discharge conveying device; 13. a mounting frame; 131. mounting a plate; 132. installing a sliding rod; 14. a support frame; 15. a slide rail; 2. a turnover device; 21. punching a plate; 22. a baffle plate; 23. a turnover drive part; 231. a drive wheel; 232. driving the slide bar; 233. a drive link; 234. a driver; 235. and (5) mounting the sliding seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, a three-dimensional box forming mechanism comprises a frame 1, a feeding conveyor 11 arranged on the frame 1 for conveying plane materials, an discharging conveyor 12 for conveying three-dimensional packaging boxes folded and folded, and a folding device 2 arranged between the feeding conveyor 11 and the discharging conveyor 12, wherein the feeding conveyor 11 and the discharging conveyor 12 are well-known technologies, are of common design, and preferably adopt a transmission conveying structure of a conveying belt, so that continuous conveying is conveniently realized, and the production efficiency is improved. And feeding conveyor 11 and ejection of compact conveyor 12 can realize the centre gripping through last conveyer belt subassembly and conveyer belt subassembly down including the last conveyer belt subassembly that can be used for centre gripping conveying plane material and three-dimensional packing carton respectively and carry the subassembly, can effectively avoid plane material and three-dimensional packing carton to drift away in quick transportation process, have effectively improved and have carried stable degree to also be favorable to improving production efficiency.

The folding device 2 comprises a punching plate 21 which is positioned on one side of the feeding and conveying device 11 and can push the plane material to move to one side of the discharging and conveying device 12, a baffle plate 22 which is positioned on one side of the discharging and conveying device 12 and can be matched with the punching plate 21 to fold the plane material into a three-dimensional packaging box, and a folding driving part 23 for driving the punching plate 21 to move; the direction of the turnover driving part 23 driving the punching plate 21 to move is parallel to the direction of the feeding and conveying device 11 driving the plane material to be conveyed, and a gap for the plane material to pass through is reserved between the conveying plane of the feeding and conveying device 11 and the punching plate 21; the feed conveyor 11 can convey the planar material toward the baffle 22 through the gap.

The turnover driving part 23 comprises a driving wheel 231 rotatably connected to the frame 1, a driving slide rod 232 slidably connected to the frame 1, a driving connecting rod 233 rotatably connected between the driving wheel 231 and the driving slide rod 232, and a driver 234 for driving the driving wheel 231 to rotate, wherein the sliding direction of the driving slide rod 232 on the frame 1 is consistent with the conveying direction of the feeding conveying device 11, the punching plate 21 is connected to the driving slide rod 232, and the driving slide rod 232 can be driven by the driving connection to slide back and forth on the frame 1 along the conveying direction of the feeding conveying device 11 in the rotating process of the driving wheel 231.

Baffle 22 rotates to be connected in frame 1, baffle 22 is in frame 1 the rotation axial and feeding conveyor 11's conveying plane parallel arrangement, and baffle 22 is perpendicular to the direction of delivery of feeding conveyor 11's the rotation axial on frame 1, interval between baffle 22's lower extreme and feeding conveyor 11's the conveying plane is less than the first state of plane material thickness size with dash board 21 propelling movement fold into three-dimensional packing carton through the second state between baffle 22's the lower extreme and feeding conveyor 11's the conveying plane, be provided with the piece that resets that can drive baffle 22 under the second state and reset into the first state on frame 1, this piece that resets can select for use the torsional spring. When the feeding and conveying device 11 drives one side of the planar material to abut against the baffle 22 and the folded surface of the planar material slides along the height direction of the baffle 22 around the crease, the punching plate 21 can push the planar material to enable the folded surface to be folded towards one side of the feeding and conveying device 11, and the baffle 22 rotates towards the second state.

The baffle plate 22 is kept in a first state in a natural state, namely the distance between the lower end of the baffle plate 22 and the conveying plane of the feeding and conveying device 11 is smaller than the thickness dimension of the plane material, so that the plane material can be abutted with the baffle plate 22 when the feeding and conveying device 11 conveys the plane material, and after the plane material is abutted with the baffle plate 22, the turnover surface abutted with the baffle plate 22 in the plane material is turned upwards around the crease, namely, one side of the turnover surface slides upwards along the height direction of the baffle plate 22; at this time, the punch plate 21 can move towards the baffle plate 22 under the driving of the turnover driving part 23, so that the planar material can be pushed to slide between the baffle plate 22 and the conveying plane of the feeding conveying device 11, and the turnover surface can turn towards one side of the feeding conveying device 11, in the process, as the punch plate 21 has a certain thickness (the thickness of the punch plate 21 can be limited in such a way that the thickness is smaller than the width size of the folding surface between the folding surface and the bottom surface on the planar material, such as a three-section box body structure in the attached drawing 1), the planar material can be driven to pass through the lower part of the baffle plate 22 by pushing the folding surface, the baffle plate 22 enables the turnover surface to turn downwards when the baffle plate 22 rotates towards the second state under the action of the punch plate 21 until the turnover surface is attached to or covered on the bottom surface with the punch plate 21, and finally, the package box which is turned into a three-dimensional shape.

The two ends of the driving connecting rod 233 are respectively hinged with the driving wheel 231 and the driving slide rod 232, the two hinged shafts are axially arranged in parallel, the hinged shaft of the driving connecting rod 233 on the driving wheel 231 is eccentrically arranged with the center of the rotating shaft of the driving wheel 231 on the frame 1, so that the driving wheel 231 can drive the driving slide rod 232 to slide on the frame 1 in a reciprocating manner in the rotating process, and the driver 234 can select a servo motor, so that the driving wheel 231 can be conveniently driven to rotate at a constant speed; and the sliding direction of the driving slide rod 232 on the frame 1 is consistent with the conveying direction of the feeding conveying device 11, so that the punching plate 21 can be driven to slide back and forth, and the three-dimensional forming of the packaging box is realized. Should turn over a drive part 23 and can realize punching plate 21 reciprocal slip through motor and connecting rod transmission structure to the motor is once a round, and the homoenergetic drives punching plate 21 and accomplishes a three-dimensional box shaping, and is not only efficient, and the transmission is stable and the precision is high, and the noise is low simultaneously, simple structure, and equipment, maintenance, regulation are all convenient, and have long service life's characteristics.

The rack 1 is connected with a mounting frame 13 for mounting the turnover driving part 23 in a sliding manner, the mounting frame 13 comprises a mounting plate 131 for mounting the turnover driving part 23 and a mounting slide bar 132 connected with the mounting plate 131 in a sliding manner, the mounting plate 131 can slide along the length direction of the mounting slide bar 132, the axial direction of the mounting slide bar 132 is parallel to the conveying plane of the feeding conveying device 11, and the axial direction of the mounting slide bar 132 is perpendicular to the conveying direction of the feeding conveying device 11.

The mounting slide bar 132 can be fixedly mounted on the frame 1, or can be fixedly mounted on the support frame 14, the mounting plate 131 is connected to the mounting slide bar 132 in a sliding manner, and the turnover driving part 23 is fixedly mounted on the mounting plate 131, so that the turnover driving part 23 can slide on the mounting plate 131 along the length direction of the mounting slide bar 132, the turnover driving part 23 can be flexibly used in this state, the working position of the turnover driving part can be adjusted, and even the turnover driving part can be pushed to one side of the conveying device, and the turnover driving device is flexible and convenient to use, and has a wide application range.

A locking assembly capable of realizing locking and fixing of the mounting plate 131 and the mounting slide bar 132 is arranged between the mounting plate 131 and the mounting slide bar 132, and the locking assembly can be a locking screw or a locking clamping block; the locking screw can be screwed on the mounting plate 131, and after the mounting plate 131 slides in place, the locking screw is screwed to abut against the mounting slide rod 132, so that locking and fixing can be conveniently realized; the locking clamping block can be clamped and fixed on the mounting slide bar 132 after the mounting plate 131 slides in place, and plays a role in limiting the mounting plate 131 to slide on the mounting slide bar 132.

The frame 1 is connected with a support frame 14 for installing the turnover driving part 23 in a sliding manner, and the sliding direction of the support frame 14 on the frame 1 is consistent with the conveying direction of the feeding conveying device 11. The turnover driving part 23 can slide on the frame 1 through the supporting frame 14, so that the working position of the punching plate 21 can be conveniently regulated and controlled, the flexible use effect is achieved, and even whether the turnover driving part 23 is used or not can be selected to be removed, so that the turnover driving part has the effects of flexible and convenient use and wide application range.

The frame 1 is fixedly provided with a slide rail 15 connected with the support frame 14 in a sliding manner, and a locking assembly capable of realizing locking and fixing of the support frame 14 and the slide rail 15 is arranged between the support frame and the slide rail. The support frame 14 can be conveniently connected with the rack 1 in a sliding manner through the sliding rail 15, and meanwhile, the locking assembly can also be a locking screw and a locking clamping block; the locking screw can be screwed on the support frame 14, and after the support frame 14 slides in place, the locking screw is screwed to be abutted against the sliding rail 15, so that locking and fixing can be conveniently realized; the locking clamping block can be clamped and fixed on the sliding rail 15 after the supporting frame 14 slides in place, and plays a role in limiting the sliding of the supporting frame 14 on the sliding rail 15.

The driving slide rod 232 is fixedly provided with a mounting slide seat 235 connected with the punching plate 21 in a sliding manner, the sliding direction of the punching plate 21 on the mounting slide seat 235 is parallel to the conveying plane of the feeding conveying device 11, and the sliding direction of the punching plate 21 on the mounting slide seat 235 is perpendicular to the conveying direction of the feeding conveying device 11. The punching plate 21 can be detachably connected with the mounting sliding seat 235 in a sliding manner, the punching plate 21 can be replaced conveniently to adapt to packaging boxes of different specifications and sizes, and therefore the application range of the turnover driving part 23 is effectively widened, and the use flexibility is improved. And the punching plate 21 is connected on the mounting sliding seat 235 in a sliding manner, so that the working position of the punching plate 21 can be adjusted, and the application range and the use flexibility of the turnover driving part 23 can be further improved.

And a locking assembly capable of realizing locking and fixing of the punching plate 21 and the mounting sliding seat 235 is arranged between the punching plate and the mounting sliding seat. Because the sliding connection accessible slider and the spout realization of dash board 21 and installation slide 235, consequently the optional locking screw of locking subassembly, the locking screw can the spiro union be on the slider, and it is fixed to screw the locking screw and the spout butt can conveniently realize the locking after dashing board 21 and sliding to target in place.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a three-dimensional box forming mechanism, including frame (1) and set up feeding conveyor (11) that are used for carrying the plane material on frame (1), and be used for carrying the ejection of compact conveyor (12) of turning over into three-dimensional packing carton and lie in the feeding conveyor (11) and ejection of compact conveyor (12) between turn over a device (2), characterized by: the turnover device (2) comprises a punching plate (21) which is positioned on one side of the feeding and conveying device (11) and can push the plane material to move to one side of the discharging and conveying device (12), a baffle plate (22) which is positioned on one side of the discharging and conveying device (12) and can match with the punching plate (21) to turn the plane material into a three-dimensional packing box, and a turnover driving part (23) for driving the punching plate (21) to move;

the direction of the turnover driving part (23) for driving the punching plate (21) to move is parallel to the direction of the feeding and conveying device (11) for driving the plane material to convey, and a gap for the plane material to pass through is reserved between the conveying plane of the feeding and conveying device (11) and the punching plate (21);

the turnover driving part (23) comprises a driving wheel (231) which is rotatably connected to the rack (1), a driving slide rod (232) which is connected to the rack (1) in a sliding manner, a driving connecting rod (233) which is rotatably connected between the driving wheel (231) and the driving slide rod (232), and a driver (234) which is used for driving the driving wheel (231) to rotate, wherein the sliding direction of the driving slide rod (232) on the rack (1) is consistent with the conveying direction of the feeding conveying device (11), the punching plate (21) is connected to the driving slide rod (232), and the driving wheel (231) can drive the driving slide rod (232) to slide on the rack (1) in a reciprocating manner along the conveying direction of the feeding conveying device (11) through driving connection in the rotating process;

the baffle (22) is rotatably connected to the rack (1), the rotating axial direction of the baffle (22) on the rack (1) is parallel to the conveying plane of the feeding conveying device (11), the rotating axial direction of the baffle (22) on the rack (1) is perpendicular to the conveying direction of the feeding conveying device (11), the baffle (22) comprises a first state that the distance between the lower end of the baffle (22) and the conveying plane of the feeding conveying device (11) is smaller than the thickness dimension of a planar material and a second state that a punching plate (21) pushes and folds the three-dimensional packaging box to pass through the space between the lower end of the baffle (22) and the conveying plane of the feeding conveying device (11) when rotating, and the rack (1) is provided with a reset piece capable of driving the baffle (22) in the second state to reset to the first state;

the feeding and conveying device (11) drives one side of the plane material to abut against the baffle (22) and the punching plate (21) can push the plane material to enable the turnover surface of the plane material to turn over towards one side of the feeding and conveying device (11) when the turnover surface of the plane material slides along the height direction of the baffle (22) around the crease, and the baffle (22) rotates towards the second state.

2. The stereoscopic box forming mechanism of claim 1, wherein: the utility model discloses a feed conveyor, including frame (1), slide connection has mounting bracket (13) that is used for supplying to turn over a driver part (23) installation on frame (1), mounting bracket (13) including supply to turn over mounting panel (131) of a driver part (23) installation and slide installation slide bar (132) of being connected with mounting panel (131) and slide, the length direction that installation slide bar (132) can be followed in mounting panel (131) slides, the axial of installation slide bar (132) and the conveying plane parallel arrangement of feed conveyor (11) to the axial of installation slide bar (132) sets up with the direction of delivery of feed conveyor (11) is perpendicular.

3. The stereoscopic box forming mechanism of claim 2, wherein: and a locking assembly capable of realizing locking and fixing of the mounting plate (131) and the mounting sliding rod (132) is arranged between the mounting plate and the mounting sliding rod.

4. The stereoscopic box forming mechanism of claim 1, wherein: the support frame (14) that is used for supplying to turn over a drive part (23) installation is connected with in frame (1) sliding, the direction of sliding of support frame (14) on frame (1) keeps unanimous with feed conveyor (11)'s direction of delivery.

5. The stereoscopic box forming mechanism of claim 4, wherein: the frame (1) is fixedly provided with a sliding rail (15) connected with the support frame (14) in a sliding manner, and a locking assembly capable of realizing locking and fixing of the support frame (14) and the sliding rail (15) is arranged between the support frame (14) and the sliding rail.

6. The stereoscopic box forming mechanism of claim 1, wherein: the driving slide rod (232) is fixedly provided with an installation slide seat (235) which is connected with the punching plate (21) in a sliding mode, the sliding direction of the punching plate (21) on the installation slide seat (235) is parallel to the conveying plane of the feeding conveying device (11), and the sliding direction of the punching plate (21) on the installation slide seat (235) is perpendicular to the conveying direction of the feeding conveying device (11).

7. The stereoscopic box forming mechanism of claim 6, wherein: and a locking assembly capable of realizing locking and fixing of the punching plate (21) and the mounting sliding seat (235) is arranged between the punching plate and the mounting sliding seat.

8. The stereoscopic box forming mechanism of claim 1, wherein: the feeding conveying device (11) and the discharging conveying device (12) comprise an upper conveying belt assembly and a lower conveying belt assembly which can be respectively used for clamping and conveying plane materials and three-dimensional packaging boxes.