WO2023123016A1

WO2023123016A1 - Square rolled rim forming apparatus

Info

Publication number: WO2023123016A1
Application number: PCT/CN2021/142356
Authority: WO
Inventors: 王建平
Original assignee: 浙江新发现机械制造有限公司
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-07-06

Abstract

A square rolled rim forming apparatus, comprising a die (10) provided with a retaining table (11), and a plurality of slide blocks (20). A paper container (200) can be fitted into the die (10), and a rolled rim (201) of the paper container (200) abuts against the retaining table (11); a plurality of slide blocks (20) are provided at a peripheral position of the die (10), and are each provided with a boss (21), and the plurality of slide blocks (20) can simultaneously move in a direction towards the die (10) so that a plurality of bosses (21) simultaneously press the rolled rim (201) abutting against the retaining table (11).

Description

Square mouth forming device

technical field

The present application relates to the technical field related to moulds, in particular to a square roll forming device.

Background technique

Paper containers are easy to use, safe and hygienic, and more environmentally friendly than plastic containers, and are being used in more and more fields.

At present, the cross-section of the mouth of the paper cavity on the market is usually circular, and its shape is single, and when the paper container is sealed, the connection between the sealing layer and the paper container is not firm enough , is also not convenient for the cap sealing of this papery container. For this reason, in view of the above-mentioned existing problems, it is proposed to process the upper round mouth of the paper container into a square mouth. However, there is no equipment for processing the upper round mouth of the paper container into a square mouth. There is a demand in the market for paper containers with square roll mouths.

Contents of the invention

Based on this, it is necessary to provide a square mouth forming device capable of processing and forming the upper mouth of the paper container into a square mouth.

A square mouth forming device, acting on the mouth of a paper container, to process and shape the mouth of the paper container into a square structure, said device comprising:

A die head, the die head is provided with a block, and the paper container can be inserted into the die head until the roll mouth of the paper container is against the block block;

and a plurality of sliders, a plurality of sliders are arranged on the peripheral position of the die head, wherein each of the sliders is provided with a boss corresponding to the stopper, and the plurality of sliders can Simultaneously move towards the direction of the die head, so that a plurality of the bosses simultaneously press against the roll mouth on the stopper.

It can be understood that, through the reasonable structural arrangement of the upper die head and a plurality of sliders, when the square roll mouth forming device is working, the upper bosses of a plurality of sliders can be used to simultaneously squeeze the mold that is against the stopper of the die head. Roll mouth, using the material characteristics of the paper container, achieves the purpose of processing the upper mouth of the paper container into a square mouth, so as to meet the market demand for paper containers with a square mouth.

In one embodiment, the boss is arranged as an arc-shaped strip structure, and a plurality of the bosses cooperate with each other and can be formed into a ring structure matching the stopper.

It can be understood that, by arranging the bosses as the above-mentioned arc-shaped strip structure, when the square roll mouth forming device is working, the bosses on the plurality of sliders can fully cover the roll mouth against the stopper, so that The upper mouth of the paper container processed by the square mouth forming device is formed into a square structure as a whole.

In one of the embodiments, the stopper is provided with a crimping contact surface, and the crimping contact surface is arranged as an annular inclined plane structure, and the crimping table is provided with a crimping corresponding to the crimping contact surface. A pressing surface, and the boss can press against the rolling mouth on the rolling mouth contact surface through the rolling mouth pressing surface.

It can be understood that the upper crimp contact surface of the stopper and the upper crimp extrusion surface of the boss are set as an annular inclined-plane structure that cooperates with each other, so as to ensure that the upper crimp of the paper container is processed by the square crimp forming device. formed into a square structure.

In one of the embodiments, the square mouth forming device further includes a fixed frame, a central shaft and a lifting mechanism, the die head is installed on the fixed frame through the central shaft, and a plurality of the sliders pass through the The lifting mechanism is movably connected to the fixing frame, and the lifting mechanism can simultaneously drive a plurality of the sliders to reciprocate toward the direction of the stop platform.

It can be understood that, through the structure of the above-mentioned fixing frame, the central shaft and the lifting mechanism, the assembly and connection of the die head and the plurality of sliders on the fixing frame can be realized in detail.

In one of the embodiments, the lifting mechanism includes a lifting assembly, a slider support plate, a slider pressure plate, and a plurality of slider side pressure plates, and a plurality of sliders are arranged on the slider support plate and the slider. The position between the pressure plates, the lifting assembly can drive a plurality of the sliders to move upward along the axial direction of the central axis through the slider support plate; Correspondingly, the slider side pressing plate can push the corresponding slider, so that the slider moves toward the direction of the stop while moving upward.

It can be understood that, through the structural setting of the above-mentioned lifting assembly, slider support plate, slider pressing plate and multiple slider side pressing plates, the structural setting of the lifting mechanism can be realized in order to ensure that the driving of multiple sliders in the lifting mechanism The bottom can move towards the direction of the platform at the same time.

In one of the embodiments, the slider is provided with a resisting inclined surface, and the side pressing plate of the slider is provided with a resisting mating surface corresponding to the resisting inclined surface, wherein the side pressing plate of the slider passes through the connecting plate Installed on the central shaft, and the slider side pressure plate can push the slider through the cooperation between the resisting matching surface and the resisting inclined surface.

It can be understood that, through the above-mentioned structural setting of the resisting inclined surface and the resisting mating surface, the pushing of the slider by the side pressure plate of the slider can be realized in detail, so that the slider can be pushed up on the resisting mating surface during the upward movement process. Under the guidance of the guide, it moves in the direction of the block.

In one of the embodiments, the connecting plate is provided with a stopper corresponding to the side pressure plate of the slider, and one end surface of the stopper facing the direction of the slider abuts against the corresponding side pressure plate of the slider superior.

It can be understood that, through the above-mentioned structural arrangement of the stopper, the lifting mechanism can use the stopper to press and limit the side pressure plate of the slider, preventing the side pressure plate of the slider from following the movement under the push of the slider , so as to ensure the stability of the installation of the side pressure plate of the slider on the connecting plate, thereby ensuring that the movement trajectory of the slider driven by the lifting mechanism is always consistent when the lifting mechanism is working.

In one embodiment, the slider pressing plate is provided with a guide chute corresponding to the slider side pressing plate, and the slider side pressing plate is slidably installed on the guiding chute of the slider pressing plate.

It can be understood that, through the above-mentioned structural arrangement of the guide chute, the slider pressing plate can be guided to reciprocate by the side pressing plate of the slider, so as to ensure the stability of the driving of the slider when the lifting mechanism is working.

In one of the embodiments, the lifting assembly includes a fixed plate, two connecting seats and a rocker, the fixed plate is connected and fixed to the slider pressing plate and the slider supporting plate through connecting guide posts, and the two The connecting seats are installed on the fixing plate and are separated on both sides of the central axis, wherein each of the connecting seats is rotatably connected to the rocker through a connecting rod.

It can be understood that, through the above-mentioned structural arrangement of the fixing plate, the two connecting seats and the rocker, the structural arrangement of the lifting assembly is specifically realized, so that when the square roll mouth forming device is working, the lifting mechanism can be adjusted by the rocker. work drive.

In one of the embodiments, a ventilation hole is opened on the central axis, an exhaust hole communicating with the ventilation hole is opened on the die head, and the exhaust port of the exhaust hole is arranged on the die head on the peripheral wall.

It can be understood that, through the structural arrangement of the upper vent hole and the vent hole, when the square roll mouth forming device is working, it can realize the falling off of the paper container on the die head by guiding air into the vent hole, so that the paper container demoulding of containers.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the conventional technology. Obviously, the accompanying drawings in the following description are only examples For some embodiments of the application, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of a square roll forming device provided by the present application.

Fig. 2 is a front view of the square roll forming device provided by the present application.

Fig. 3 is a cross-sectional view of the square roll forming device provided by the present application.

FIG. 4 is an enlarged view of part P in FIG. 3 .

Fig. 5 is a structural schematic diagram of the die head in the present application.

Fig. 6 is a schematic structural diagram of the slider in the present application.

Fig. 7 is a schematic structural view of the paper container obtained after the treatment of the present application.

Reference numerals: 10, die head; 101, vent hole; 1011, vent port; 102, peripheral wall; 11, stop platform; 111, rolling mouth contact surface; 20, slider; 21, boss; 211, Roll mouth extrusion surface; 22, resisting slope; 30, fixed frame; 31, guide hole; 40, central axis; 401, air hole; 41, connecting plate; 411, groove; 42, stopper; Rod; 44, bearing seat; 50, lifting mechanism; 51, lifting assembly; 511, fixed plate; 5111, guide hole; 512, connecting seat; 513, rocking bar; 515, connecting rod; 52, slider support plate; 53, slider pressure plate; 531, guide chute; 532, guide limit plate; 54, slider side pressure plate; ; 201, roll mouth.

Detailed ways

In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

It should be noted that when a component is referred to as being “fixed on” or “set on” another component, it may be directly on the other component or there may also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for the purpose of illustration only and are not meant to be exclusive implementation.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this application, unless otherwise clearly specified and limited, a first feature is "on" or "under" a second feature, which means that the first feature is directly in contact with the second feature, or that the first feature and the second feature are indirectly in contact with each other. contact through an intermediary. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or it just means that the first feature is higher in level than the second feature. "Below", "beneath" and "under" the first feature may mean that the first feature is directly below or obliquely below the second feature, or it just means that the level of the first feature is smaller than that of the second feature.

Unless otherwise defined, all technical and scientific terms used in the description of the present application have the same meaning as commonly understood by those skilled in the technical field of the present application. The terms used in the description of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The term "and/or" used in the specification of the present application includes any and all combinations of one or more related listed items.

The present application provides a square mouth forming device, which acts on the mouth 201 of the paper container 200 to process and shape the mouth 201 of the paper container 200 into a square structure, that is, the square mouth forming device of the present application is used for The round mouth of the paper container 200 is additionally formed into a square mouth.

Referring to FIG. 1 to FIG. 7 , the present application provides a square mouth forming device, which includes a die head 10 , a plurality of sliders 20 , a fixing frame 30 , a central shaft 40 and a lifting mechanism 50 .

In one embodiment, the die head 10 is provided with a block 11, and the paper container 200 can be inserted into the die head 10 until the curling mouth 201 of the paper container 200 abuts against the block 11; correspondingly, a plurality of sliders 20 is arranged on the peripheral position of the die head 10, wherein each slider 20 is provided with a boss 21 corresponding to the block 11, and a plurality of sliders 20 can move toward the direction of the die head 10 at the same time, so that a plurality of protrusions The table 21 simultaneously presses against the bezel 201 on the stop 11 . That is to say, when the square mouth forming device works, the extrusion of the mouth 201 by the boss 21 on the slider 20 and the stopper 11 on the die head 10 is used, and the material properties of the mouth 201 are utilized, so that the paper container 200 The roll mouth 201 of the paper container 200 will become a square structure after extrusion, that is, the roll mouth 201 of the paper container 200 can be processed into a square structure when the square roll mouth forming device is working.

Wherein, the boss 21 is arranged as an arc-shaped strip structure, and a plurality of bosses 21 cooperate with each other and can be formed as a ring structure matching the stopper 11, so that when the square mouth forming device works, the plurality of sliders 20 The upper boss 21 can fully cover the upper mouth 201 abutting against the stopper 11, so that the upper mouth 201 of the paper container processed by the square mouth forming device is formed into a square structure as a whole.

In one embodiment, the stopper 11 is provided with a crimping contact surface 111, the crimping contact surface 111 is arranged in an annular inclined plane structure, and the boss 21 is provided with a crimping extrusion surface 211 corresponding to the crimping contact surface 111 , and the boss 21 can press the mouth 201 against the mouth contact surface 111 through the mouth pressing surface 211, so as to ensure that the mouth 201 on the paper container 200 is formed after being processed by the square mouth forming device It is a square structure.

In one embodiment, the die head 10 is installed on the fixed frame 30 through the central shaft 40, and the plurality of sliders 20 are movably connected to the fixed frame 30 through the lifting mechanism 50, and the lifting mechanism 50 can simultaneously drive the plurality of sliders 20 toward The direction of the block 11 is reciprocating, so as to specifically realize the assembly and connection of the die head 10 and the plurality of sliders 20 on the fixed frame 30, that is to say, the square roll forming device can be based on the fixed frame 30. Install.

Wherein, the lifting mechanism 50 includes a lifting assembly 51, a slider supporting plate 52, a slider pressing plate 53 and a plurality of slider side pressing plates 54, and a plurality of sliders 20 are arranged at positions between the slider supporting plate 52 and the slider pressing plate 53 , the lifting assembly 51 can drive a plurality of sliders 20 to move upward along the axial direction of the central axis 40 through the slider support plate 52, the slider side pressure plate 54 corresponds to the slider 20 one by one, and the slider side pressure plate 54 can push the corresponding slide block 20, so that the slide block 20 moves toward the direction of the stop platform 11 while moving up, so as to specifically realize the structural setting of the lifting mechanism 50, and ensure that a plurality of slide blocks 20 can be driven toward the lifting mechanism 50 at the same time. The direction movement of block platform 11.

It can be understood that the two sides of the slider 20 are respectively pressed and limited by the slider supporting plate 52 and the slider pressing plate 53, so that the lifting assembly 51 can drive the slider 20 to move upward through the slider supporting plate 52, and can move downward through the slider. The block pressing plate 53 drives the slide block 20 to move down, and then utilizes the cooperation between the slide block side pressing plate 54 and the slide block 20, so that the slide block 20 can move towards the direction of the blocking platform 11 while moving up, otherwise it resets. It should be noted that the number of sliders 20 can be specifically set according to the requirements of use, and this embodiment specifically sets four sliders 20 .

In one embodiment, the slider 20 is provided with a resisting inclined surface 22 , and the slider side pressing plate 54 is provided with a resisting mating surface 541 corresponding to the resisting inclined surface 22 , wherein the slider side pressing plate 54 is installed on the connecting plate 41 On the central shaft 40, the connecting plate 41 is specifically installed on the central shaft 40 through the bearing seat 44, that is, the slider side pressure plate 54 is relatively stationary, and the slider side pressure plate 54 can pass through the resisting mating surface 541 and the resisting slope 22 The cooperation between pushes up the slider 20, so as to specifically realize the pushing of the slider 20 by the side pressure plate 54 of the slider, so that the slider 20 can move upward under the guidance of the resisting mating surface 541 in the process of moving up. The direction of block platform 11 moves.

In one embodiment, the connecting plate 41 is provided with a stopper 42 corresponding to the side pressure plate 54 of the slider. The block 42 plays the role of pressing and limiting the slider side pressure plate 54, preventing the slider side pressure plate 54 from following the movement under the push of the slider 20, so as to ensure that the slider side pressure plate 54 is installed on the connecting plate 41. Stability, and then ensure that the movement trajectory driven by the lifting mechanism 50 to the slider 20 is always consistent when it is working.

It should be noted that the side pressure plate 54 of the slider abuts against one of the sides of the connecting plate 41 and is connected and fixed with bolts (not shown in the figure). The groove 411 of the slider side, and the slider side pressure plate 54 is snapped into the groove 411, and is connected and fixed with bolts, so as to facilitate the determination of the assembly position between the slider side pressure plate 54 and the connection plate 41, and the stopper 42 can also be bolted It is fixed on the connection plate 41 , and the part of the stopper 42 protruding from the connection plate 41 is pressed against the slider side pressure plate 54 .

In one embodiment, the slider pressing plate 53 is provided with a guide chute 531 corresponding to the slider side pressing plate 54, and the slider side pressing plate 54 is slidably installed on the guide chute 531 of the slider pressing plate 53, so that the slider pressing plate 53 can reciprocate with the slider side pressing plate 54 as the guide, so as to ensure the stability of driving the slider 20 when the lifting mechanism 50 is working. It should be noted that the slider pressing plate 53 is fixedly connected with a guide limiting plate 532 on the periphery of the guiding chute 531, and the slider side pressing plate 54 is limited on the guiding chute 531 by the guiding limiting plate 532 to prevent sliding. The block side pressing plate 54 is separated from the slider pressing plate 53 .

In one embodiment, the lifting assembly 51 includes a fixed plate 511, two connecting seats 512 and a rocker 513. The fixed plate 511 is connected and fixed to the slider pressing plate 53 and the slider supporting plate 52 through the connecting guide post 514. The two connecting seats 512 are installed on the fixed plate 511 and are separated on both sides of the central axis 40, wherein each connecting seat 512 is connected to the rocking bar 513 in rotation through the connecting rod 515, so as to specifically realize the structural setting of the lifting assembly 51, so that the When the square mouth forming device is working, the driving of the lifting mechanism 50 can be realized through the rocker 513 . It should be noted that the connection between the connecting rod 515 and the rocker 513 is set at the middle of the rocker 513, wherein one end of the rocker 513 is rotatably mounted on the rocker fixing base 5131, so that the rocker 513 can be rotated when in use. , the driving of the lifting or lowering of the two connecting rods 515 can be realized by driving the other end of the rocker 513 .

Wherein, the central shaft 40 is fixedly connected with a guide rod 43, and the fixed plate 511 is provided with a guide hole 5111 corresponding to the guide rod 43, and the guide rod 43 is set through the guide hole 5111, so that the rocker 513 passes through the connecting rod 515. And when the connecting seat 512 moves up and down relative to the fixed mount 30, the clearance between the guide rod 43 and the hole wall of the guide hole 5111 on the fixed plate 511 can be used to play a guiding position for the movement of the fixed plate 511.

In one embodiment, the central shaft 40 is provided with a vent hole 401, the die head 10 is provided with an exhaust hole 101 connected to the vent hole 401, and the exhaust port 1011 of the vent hole 101 is arranged on the outer peripheral wall of the die head 10 102, so that when the square mouth forming device is working, the paper container 200 can be released from the die head 10 by guiding air into the air hole 401, so as to facilitate the demoulding of the paper container 200. It should be noted that the number of vent holes 101 can be set to a plurality, and the vent ports 1011 of the plurality of vent holes 101 are separated from the outer peripheral surface of the die head 10 at intervals, so as to further facilitate the paper container 200 from the die head 10. on the demoulding.

To sum up, the square roll mouth forming device claimed for protection in this application can pressurize the roll mouth 201 of the paper container 200 when the square roll mouth forming device is working, so that the paper container The roll mouth 201 of 200 is formed into a square structure to meet the market demand for paper containers with a square roll mouth.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of patent protection of this application should be based on the appended claims.

Claims

A square curl forming device, acting on the curl of a paper container to process and shape the curl of the paper container into a square structure, characterized in that the device includes:

A die head, the die head is provided with a block, and the paper container can be inserted into the die head until the roll mouth of the paper container is against the block block;

and a plurality of sliders, a plurality of sliders are arranged on the peripheral position of the die head, wherein each of the sliders is provided with a boss corresponding to the stopper, and the plurality of sliders can Simultaneously move towards the direction of the die head, so that a plurality of the bosses simultaneously press against the roll mouth on the stopper.
The square mouth forming device according to claim 1, wherein the bosses are arranged in an arc-shaped strip structure, and a plurality of the bosses cooperate with each other and can be formed into a circle matching the stoppers. ring structure.
The square mouth forming device according to claim 2, characterized in that, the mouth contact surface is provided on the stop table, the mouth contact surface is set as an annular inclined-plane structure, and the boss is provided with a corresponding The mouth pressing surface is on the mouth contact surface, and the boss can press against the mouth on the mouth contact surface through the mouth extrusion surface.
The square roll mouth forming device according to claim 1, wherein the square roll mouth forming device further comprises a fixed frame, a central shaft and a lifting mechanism, and the die head is installed on the fixed frame through the central shaft Above, the plurality of sliders are movably connected to the fixed frame through the lifting mechanism, and the lifting mechanism can simultaneously drive the plurality of sliders to reciprocate in the direction of the blocking platform.
The square roll mouth forming device according to claim 4, wherein the lifting mechanism includes a lifting assembly, a slider support plate, a slider pressing plate and a plurality of slider side pressing plates, and a plurality of the sliders are arranged on the The position between the slider supporting plate and the slider pressing plate, the lifting assembly can drive a plurality of the sliders to move upward along the axial direction of the central axis through the slider supporting plate; The block side pressing plates are in one-to-one correspondence with the sliders, and the slider side pressing plates can push the corresponding sliders, so that the sliders move toward the direction of the blocking platform while moving up.
The square roll mouth forming device according to claim 5, wherein a resisting slope is provided on the slider, and a resisting mating surface corresponding to the resisting slope is provided on the side pressing plate of the slider, Wherein the slider side pressing plate is installed on the central shaft through the connecting plate, and the slider side pressing plate can push the slider through the cooperation between the pushing fitting surface and the pushing inclined surface.
The square roll mouth forming device according to claim 6, wherein a stopper corresponding to the side pressing plate of the slider is provided on the connecting plate, and one end surface of the stopper facing the direction of the slider abuts against Lean against the corresponding slider side pressure plate.
The square roll mouth forming device according to claim 5, wherein a guide chute corresponding to the side pressure plate of the slider is opened on the pressure plate of the slider, and the side pressure plate of the slider is slidably installed on the on the guide chute of the slide platen.
The square mouth forming device according to claim 5, wherein the lifting assembly includes a fixed plate, two connecting seats and a rocker, and the fixed plate is connected to the slider pressing plate and the The slider support plate is connected and fixed, and the two connecting seats are installed on the fixing plate and are separated on both sides of the central axis, wherein each of the connecting seats is rotatably connected to the rocker through a connecting rod .
The square roll mouth forming device according to claim 4, wherein an air vent is provided on the central axis, an air vent connected to the air vent is provided on the die head, and the air vent is provided on the die head. The exhaust port is arranged on the outer peripheral wall of the die head.