CN220995597U

CN220995597U - Automatic folding equipment for paper container

Info

Publication number: CN220995597U
Application number: CN202322619291.XU
Authority: CN
Inventors: 张和平
Original assignee: Xiaogan Jilian Food Packaging Co ltd
Current assignee: Xiaogan Jilian Food Packaging Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-24
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses automatic paper container folding equipment, which comprises a machine table, a feeding device, a folding platform, a stamping mechanism and a folding mechanism, wherein the machine table is arranged on the machine table; processing equipment for the front end sheet paper material of the feeding device; the stamping mechanism comprises an upper jig arranged above the feeding device and a lower jig arranged below the upper jig; the upper jig is provided with a stamping male die capable of moving up and down; the lower jig is provided with a stamping female die corresponding to the stamping male die and a rebound plate elastically matched in the stamping groove; the folding mechanism comprises a lifting device arranged above the folding platform, a traversing device arranged on the upper surface of the folding platform, a pair of triangular dies arranged below the lifting device and telescopically matched with the two sides of the folding platform, and a right-angle die telescopically matched with the lower side of the folding platform. The utility model can be used for automatically processing the paper material with the impression and the gluing, and stamping, forming and folding the paper material, thereby improving the production efficiency, reducing the whole volume of the paper container, being convenient for packaging and reducing the cost.

Description

Automatic folding equipment for paper container

Technical Field

The utility model relates to the technical field of soup cup production, in particular to automatic folding equipment for a paper container.

Background

With the improvement of work and life rhythms and the development of the takeaway industry, the use of disposable tableware is quite common at present. Compared with the tableware which can seriously pollute the environment when being abandoned such as the early foam lunch box, the plastic straw and the like, the disposable tableware is more advocated to be manufactured by using degradable materials in the current diet industry, for example, the base paper made of degradable chemical wood pulp is used for carrying out mechanical processing, bonding to form a paper container in the shape of cup, bowl, barrel and the like, and the disposable tableware has a fixed form, is mostly open in design, is convenient to take and is commonly used for containing solid food.

In the prior related art, the paper container is generally designed into a polygon, so that the equipment can automatically glue, adhere and form. After the gluing and bonding process is finished, the paper container is preliminarily molded, but the paper container is in an unfolded state after bonding, so that the whole volume is large, the space is occupied, the packaging is inconvenient, and the paper container needs to be folded. At present, corresponding indentation lines are usually processed at the positions to be folded of the paperboards on a production line, so that subsequent manual folding is facilitated, certain production efficiency can be improved, but for automatic production, the efficiency is low. Thus, there is a need in the art for an apparatus that automatically folds paper containers.

Disclosure of utility model

The utility model aims to provide automatic paper container folding equipment, which solves the problems in the prior art, can be used for automatically processing a sheet of paper material with the indentation and the gluing completed, and is formed by stamping and folding the sheet of paper material, so that the production efficiency is improved, the whole volume of the paper container is reduced, and the paper container is convenient to package and the cost is reduced.

In order to achieve the above object, the solution of the present utility model is:

An automatic paper container folding device comprises a machine table, a plurality of feeding devices, a folding platform, a punching mechanism and a folding mechanism, wherein the feeding devices are arranged on the machine table in sequence along the transverse direction; the front end of the feeding device is connected to processing equipment for processing indentation lines and gluing on the sheet of paper; the stamping mechanism comprises an upper jig arranged above the feeding device and a lower jig which is arranged in a gap of the feeding device and is positioned below the upper jig; the upper jig is provided with a stamping male die capable of moving up and down; the lower jig is provided with a stamping female die corresponding to the stamping male die and a rebound plate elastically matched in the stamping groove, and the top of the rebound plate is kept level with the top of the feeding device when not stressed; the folding mechanism comprises a lifting device arranged above the folding platform, a traversing device arranged on the upper surface of the folding platform, a pair of triangular dies which are arranged below the lifting device and are in telescopic fit with two sides of the folding platform, and a right-angle die which is in telescopic fit with the lower side of the folding platform; the folding platform is provided with a rectangular hole positioned below the lifting device; the lifting device is provided with a lifting table capable of lifting and moving, a front compression plate, a front support plate and a rear support plate are sequentially arranged on the lower surface of the lifting table along the transverse direction, and the front compression plate, the front support plate and the rear support plate are in sliding fit with the lifting table in the transverse direction; the transverse moving device comprises a movable plate transversely movably matched with the upper surface of the folding platform and a suction nozzle arranged on the movable plate; the front compression plate is matched with the front support plate, the suction nozzle or the movable plate and the rear support plate to compress the front plane and the rear plane of the semi-finished paper container; the triangular die is used for compressing triangular indentation lines of the semi-finished paper container; the right-angle die is telescopically matched in the rectangular hole and is used for compressing right-angle indentation lines at the bottom of the semi-finished paper container.

The feeding device is a belt conveyor, and the belt is made of PVC plastic; the stamping male die is made of hard materials.

The upper jig further comprises a stamping cylinder for driving the stamping male die, and the stamping cylinder is mounted on the front end frame of the machine table.

The stamping die is provided with a plastic partition wall with adjustable distance.

The bottom of punching press die is provided with the spring, the top of spring with the resilience board is connected.

The lower end surfaces of the front compression plate, the front support plate and the rear support plate are positioned on the same horizontal plane.

The front compression plate is a plane plate; the front support plate and the rear support plate have the same shape, and the lower ends of the front support plate and the rear support plate are arranged in an inverted trapezoid or rectangle corresponding to the shape of the inner cavity of the paper container.

The lifting device further comprises an up-down pushing cylinder for driving the lifting platform, and the up-down pushing cylinder is arranged on the rear end frame of the machine platform.

The front compression plate, the front support plate and the rear support plate are in sliding fit with the lifting platform and are driven by the left pushing cylinder and the right pushing cylinder which are respectively corresponding to each other.

The movable plate is in sliding fit with the folding platform through sliding blocks on two sides, and the sliding blocks are driven by a motor, an air cylinder or a push rod.

The automatic paper container folding equipment also comprises a storage container arranged at the rear end of the folding platform, and the travel of the traversing device is arranged between the feeding device and the storage container.

Preferably, an upper pushing plate and a lower pushing plate are arranged on the rear end frame of the machine table, and the upper pushing plate and the lower pushing plate are positioned above the storage container and used for pushing the paper container on the suction nozzle downwards.

After the technical scheme is adopted, the utility model has the following technical effects:

Through the tool cooperation lower jig, elevating gear, sideslip device, triangle mould and right angle mould mutually support on the assembly line, can accomplish punching press, folding action automatically, can be used to handle the flat paper material that has accomplished indentation and rubber coating, will be stamped into the semi-manufactured goods paper container of three-dimensional shape earlier with flat paper material, fold into the flat state with the paper container again, realize reducing the purpose of product volume, be convenient for pack, reduce cost to the automation rate of whole equipment is high, production efficiency is high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a feeding process according to an embodiment of the present utility model;

FIG. 3 is a second schematic diagram of a feeding process according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a stamping process according to an embodiment of the present utility model;

FIG. 5 is a second schematic drawing of a stamping process according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a transfer process according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a folding process according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a blanking process according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a structure of a sheet of stock;

FIG. 10 is a schematic illustration of a sheet of paper stock being punched into a paper container;

FIG. 11 is a schematic view of a folding process of a paper container;

FIG. 12 is a schematic view showing a state in which the paper container is folded;

reference numerals illustrate:

1-a machine; 11- - -front end frame; 12- - -a rear end frame;

2- - -a feeding device;

3- - -a folding platform; 31- - -rectangular hole;

4- - -upper jig; 41-stamping male die; 42- -a ram cylinder;

5- - -lower jig; 51- - -a stamping die; 52- - -rebound plate;

6- -lifting device; 61- - -lifting platform; 62—a front compression plate; 63- - -a front support plate; 64- - -a rear support plate; 65-pushing the cylinder up and down; 66-left and right pushing cylinder;

7- -a traversing device; 71- - -a movable plate; 72- -suction nozzle;

8- -triangular mold;

9- - -right angle mold;

10- -a container;

20- - -upper and lower push plates;

a— sheet stock; b— paper container.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 8, the utility model discloses an automatic paper container folding device, which comprises a machine table 1, a plurality of feeding devices 2, a folding platform 3, a punching mechanism and a folding mechanism, wherein the feeding devices 2 are arranged on the machine table 1 in sequence along the transverse direction, and the folding platform 3 is arranged at the rear end of the feeding devices 2;

The front end of the feeding device 2 is connected to a processing device for processing the creasing lines and gluing on the sheet stock a (the processing device is a mature prior art and is not described in detail here);

The stamping mechanism comprises an upper jig 4 arranged above the feeding device 2 and a lower jig 5 arranged in a gap of the feeding device 2 and positioned below the upper jig 4, and the upper jig 4 and the lower jig 5 are matched to stamp the sheet paper material a into a semi-finished paper container b; the upper jig 4 is provided with a stamping male die 41 capable of moving up and down, and the shape of the stamping male die 41 is matched with the inner cavity of the paper container b to be processed; the lower jig 5 is provided with a stamping female die 51 corresponding to the stamping male die 41 and a rebound board 52 elastically matched in the stamping groove 51, and the top of the rebound board 52 is kept level with the top of the feeding device 2 when not stressed;

The folding mechanism comprises a lifting device 6 arranged above the folding platform 3, a traversing device 7 arranged on the upper surface of the folding platform 3, a pair of triangular molds 8 which are arranged below the lifting device 6 and are telescopically matched with the two sides of the folding platform 3, and a right-angle mold 9 which is telescopically matched with the lower side of the folding platform 3; the folding platform 3 is provided with a rectangular hole 31 below the lifting device 6; the lifting device 6 is provided with a lifting table 61 capable of lifting and moving, a front compression plate 62, a front support plate 63 and a rear support plate 64 which are sequentially arranged on the lower surface of the lifting table 61 along the transverse direction, and the front compression plate 62, the front support plate 63 and the rear support plate 64 are in sliding fit with the lifting table 61 in the transverse direction; the traversing device 7 comprises a movable plate 71 transversely movably fitted on the upper surface of the folding platform 3, and a suction nozzle 72 mounted on the movable plate 71; the front compression plate 62 cooperates with the front support plate 63, the suction nozzle 72, or the movable plate 71 cooperates with the rear support plate 64 to compress the front and rear planes of the semi-finished paper container b; the triangular die 8 is used for compressing triangular indentation lines of the semi-finished paper container b; the right angle die 9 is telescopically fitted in the rectangular hole 31 for compressing the bottom right angle crease line of the semi-finished paper container b.

Specific embodiments of the utility model are shown below.

Above-mentioned loading attachment 2 is the belt feeder, and its belt is PVC plastic material, can improve the frictional force between loading attachment 2 and the sheet stock, realizes carrying the sheet stock more steadily.

The material of the punch 41 may be a hard material such as wood, plastic, iron, or stainless steel.

The upper jig 4 further includes a punching cylinder 42 for driving the punching punch 41, and the punching cylinder 42 is mounted on the front end frame 11 of the machine 1.

The stamping die 51 is provided with a plastic partition wall with adjustable spacing, and the plastic partition wall can realize spacing adjustment through the fixation of a fastener and a supporting rod so as to adapt to the production requirements of paper containers with different sizes.

The bottom of the punching die 51 is provided with a spring, and the top of the spring is connected to the rebound plate 52. In the process of pressing down the upper jig 4, the stamping male die 41 presses the flat paper material a on the rebound plate 52, so that the rebound plate 52 contracts downwards, and the flat paper material a is stamped into a three-dimensional shape under the combined action of the feeding device 2 at the two ends of the stamping female die 51, the stamping male die 41 and the stamping female die 51, so as to obtain a semi-finished paper container b; after the stamping is finished, the upper jig 4 is reset upwards, the rebound plate 52 is reset under the action of the spring, the semi-finished paper container b is jacked upwards, and the bottom surface of the paper container b is flush with the top of the feeding device 1.

The lower end surfaces of the front compression plate 62, the front support plate 63 and the rear support plate 64 are at the same level.

The front compression plate 62 is a flat plate, and has a region size capable of enclosing the side surface of the paper container b; the front support plate 63 and the rear support plate 64 have the same shape, the lower ends of the front support plate 63 and the rear support plate are arranged in an inverted trapezoid or rectangle corresponding to the shape of the inner cavity of the paper container b, and the thickness of the front support plate and the rear support plate is several millimeters, so that the front support plate and the rear support plate can be replaced according to the compression requirement and the effect.

The lifting device 6 further includes an up-and-down pushing cylinder 65 for driving the lifting table 61, and the up-and-down pushing cylinder 65 is mounted on the rear frame 12 of the machine 1.

The sliding engagement of the front compression plate 62, the front support plate 63 and the rear support plate 64 on the elevating table 61 is driven by the left and right pushing cylinders 66, respectively.

The movable plate 71 is provided with a circular hole for installing the suction nozzle 72, the suction nozzle 72 is connected with an air pipe of the device, and the paper container is sucked in a vacuum adsorption mode to drive the paper container to move on the folding platform 3.

The movable plate 71 is slidably engaged with the folding platform 3 through two side sliders, and the sliders are driven by a motor, an air cylinder, or the like. Or the movable plate 71 may be driven by a push rod.

The triangular mold 8 is driven by a push rod to be telescopically engaged with both sides of the folding platform 3.

The utility model also comprises a storage container 10 arranged at the rear end of the folding platform 3, and the stroke of the traversing device 7 is arranged between the feeding device 1 and the storage container 10.

Further, the rear end frame 12 of the machine 1 is provided with an up-down push plate 20, and the up-down push plate 20 is located above the container 10 and is used for pushing down the paper container on the suction nozzle 72.

The working flow of the utility model is as follows:

(1) Referring to fig. 2, 3 and 9, after finishing the processing of the front end, the sheet stock a is fed into the feeding device 1 in a flat state, and crease lines required for folding (wherein a single-point section line is a crease line which is automatically folded during punching, a broken line is a triangular crease line, and a double-point section line is a bottom right-angle crease line) are processed on the sheet stock a, and glue is coated (represented by a shadow area); under the drive of the feeding device 1, the sheet paper material a moves to the upper part of the stamping female die 51;

(2) Referring to fig. 4, 5 and 10, after the sheet stock a is in place, starting the upper jig 4 to press down, and pressing the sheet stock a on the rebound plate 52 by the punching male die 41 to enable the rebound plate 52 to shrink downwards, wherein the sheet stock a is punched into a three-dimensional shape under the combined action of the feeding devices 2 at two ends of the punching female die 51, the punching male die 41 and the punching female die 51, so as to obtain a semi-finished paper container b; after the stamping is finished, the upper jig 4 is reset upwards, the rebound plate 52 is reset under the action of a spring, the semi-finished paper container b is jacked upwards, and the bottom surface of the paper container b is flush with the top of the feeding device 1;

(3) Referring to fig. 6, after the punching is completed, the traversing device 7 moves forward so that the suction nozzle 72 contacts the side of the semi-finished paper container b, and the vacuum device is activated so that the suction nozzle 72 sucks the paper container b and drives it to the lower side of the lifting device 6;

(4) Referring to fig. 7, 11 and 12, when the paper container b is sucked by the suction nozzle 72 and driven onto the folding platform 3, the elevating platform 61 is driven by the up-down pushing cylinder 65 to descend until bottoms of the front compression plate 62, the front support plate 63 and the rear support plate 64 collide with the top surface of the folding platform 3; the front support plate 63 is in contact with the inner front wall of the paper container b and the rear support plate 64 is in contact with the inner rear wall of the paper container b; the two triangular molds 8 then move towards the area of the paper container b where the triangular crease lines are located and the right angle mold 9 moves towards the bottom of the paper container b. The front compression plate 62 and the front support plate 63, the rear support plate 64 and the movable plate 71 keep synchronous movement, and the semi-finished paper container b is folded and compressed under the combined action of the front compression plate 62, the movable plate 71, the triangular die 8 and the right-angle die 9; after the folding compression is finished, the lifting device 6, the triangular die 8 and the right-angle die 9 are reset respectively;

(5) Referring to fig. 8, the traversing device 7 continues to drive the paper container b to move, so that the paper container b moves above the storage container 10, the upper and lower pushing plates 20 descend and push the paper container b down from the suction nozzles 72, and a process of folding and storing the sheet of paper material a into the paper container b is completed.

According to the technical scheme, the upper jig 4 is designed on the production line to be matched with the lower jig 5, the lifting device 6, the traversing device 7, the triangular die 8 and the right-angle die 9, so that stamping and folding actions can be automatically completed, the device can be used for processing the flat paper material b with the indentation and the gluing being completed, the flat paper material b is stamped into the three-dimensional semi-finished paper container b, and then the paper container b is folded into the flat state, the purpose of reducing the volume of the product is achieved, packaging is facilitated, cost is reduced, and the whole device is high in automation rate and production efficiency.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims

1. An automatic folding apparatus for paper containers, characterized in that:

The device comprises a machine table, a plurality of feeding devices, a folding platform, a stamping mechanism and a folding mechanism, wherein the feeding devices are sequentially arranged on the machine table along the transverse direction;

The front end of the feeding device is connected to processing equipment for processing indentation lines and gluing on the sheet of paper;

The stamping mechanism comprises an upper jig arranged above the feeding device and a lower jig which is arranged in a gap of the feeding device and is positioned below the upper jig; the upper jig is provided with a stamping male die capable of moving up and down; the lower jig is provided with a stamping female die corresponding to the stamping male die and a rebound plate elastically matched in the stamping female die, and the top of the rebound plate is kept level with the top of the feeding device when not stressed;

The folding mechanism comprises a lifting device arranged above the folding platform, a traversing device arranged on the upper surface of the folding platform, a pair of triangular dies which are arranged below the lifting device and are in telescopic fit with two sides of the folding platform, and a right-angle die which is in telescopic fit with the lower side of the folding platform; the folding platform is provided with a rectangular hole positioned below the lifting device; the lifting device is provided with a lifting table capable of lifting and moving, a front compression plate, a front support plate and a rear support plate are sequentially arranged on the lower surface of the lifting table along the transverse direction, and the front compression plate, the front support plate and the rear support plate are in sliding fit with the lifting table in the transverse direction; the transverse moving device comprises a movable plate transversely movably matched with the upper surface of the folding platform and a suction nozzle arranged on the movable plate; the front compression plate is matched with the front support plate, the suction nozzle or the movable plate and the rear support plate to compress the front plane and the rear plane of the semi-finished paper container; the triangular die is used for compressing triangular indentation lines of the semi-finished paper container; the right-angle die is telescopically matched in the rectangular hole and is used for compressing right-angle indentation lines at the bottom of the semi-finished paper container.

2. The automatic paper container folding apparatus according to claim 1, wherein:

3. The automatic paper container folding apparatus according to claim 1, wherein:

4. The automatic paper container folding apparatus according to claim 1, wherein:

the stamping female die is provided with a plastic partition wall with adjustable spacing.

5. The automatic paper container folding apparatus according to claim 1, wherein:

6. The automatic paper container folding apparatus according to claim 1, wherein:

7. The automatic paper container folding apparatus according to claim 1, wherein:

8. The automatic paper container folding apparatus according to claim 1, wherein:

9. The automatic paper container folding apparatus according to claim 1, wherein:

10. The automatic paper container folding apparatus according to claim 1, wherein:

11. The automatic paper container folding apparatus according to claim 1, wherein:

The folding platform is characterized by further comprising a storage container arranged at the rear end of the folding platform, and the travel of the traversing device is arranged between the feeding device and the storage container.

12. The automatic paper container folding apparatus according to claim 11, wherein:

The machine is characterized in that an upper pushing plate and a lower pushing plate are arranged on the rear end frame of the machine, and the upper pushing plate and the lower pushing plate are positioned above the storage container and used for pushing the paper container on the suction nozzle downwards.