CN217192384U

CN217192384U - Foil crimping device

Info

Publication number: CN217192384U
Application number: CN202220933889.9U
Authority: CN
Inventors: 罗佩丽; 高发伟; 黄凌峰; 牟伦胜; 李洪伟; 王雀广; 秦国洪
Original assignee: Ruyuan Yao Autonomous County Dongyangguang Formed Foil Co Ltd; Shaoguan East Sunshine Technology R&D Co Ltd
Current assignee: Ruyuan Yao Autonomous County Dongyangguang Formed Foil Co Ltd; Shaoguan East Sunshine Technology R&D Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-16
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a foil crimping device, include: the pressing part comprises an air cylinder and a support driven by the air cylinder to press downwards, and an air bag is arranged at the bottom of the support; the bearing part comprises a support and a crimping surface arranged at the top of the support; the air cylinder drives the support to press downwards, so that the air bag can be used for pressing and connecting the two foils placed on the pressing and connecting surface. The device can guarantee that the atress on foil surface is more even, reducible foil's extrusion deformation, damage even when the crimping can effectively improve the stability of crimping, has guaranteed the crimping effect of foil.

Description

Foil crimping device

Technical Field

The utility model relates to a production technical field of aluminium foil piece especially relates to a foil piece crimping device.

Background

The foil is a thin sheet of generally pure metal (e.g. silver or gold foil or aluminium foil), often covered with a transparent substance. Due to the characteristics of aluminum foil, aluminum foil is commonly used in the current product packaging, and is widely used in the packaging of daily products. In the process of producing the aluminum foil, if the aluminum foil on the production line is used up, a new aluminum foil needs to be butted, so that the production line can continuously convey the aluminum foil to the next station for packaging and processing.

The working principle of the existing production line aluminum foil butting device is as follows: the butted upper and lower layers of foils are stacked together and placed on a rack stainless steel plate with a bulge, a stainless steel roller is extruded through a cylinder, the foils are pressed on the rack stainless steel plate with the bulge, and then the stainless steel roller is driven by a motor to move back and forth to extrude, so that the foils are butted together. However, the docking device described above has the following disadvantages: 1. the pressure of the cylinder and the back-and-forth extrusion process of the stainless steel roller are small, and the butt joint is unstable; 2. when the pressure is high, the foil is easily pressed to deform or even be crushed by the stress at the raised part in the back-and-forth extrusion process, so that the butt joint is unstable.

Therefore, a device capable of stably crimping is required to be designed so as to ensure the crimping effect of the foil and avoid poor crimping.

SUMMERY OF THE UTILITY MODEL

The utility model provides a foil crimping device, the device can guarantee that the atress on foil surface is more even, and the extrusion of reducible foil is out of shape when the crimping, harms even, can effectively improve the stability of crimping, has guaranteed the crimping effect of foil.

The technical scheme of the utility model as follows:

a foil crimping apparatus comprising:

the crimping part comprises an air cylinder and a support driven by the air cylinder to be pressed downwards, and an air bag is arranged at the bottom of the support;

the bearing part comprises a support and a crimping surface arranged at the top of the support;

the air cylinder drives the support to press downwards, so that the air bag can press and connect the two foils placed on the pressing surface.

The utility model discloses a crimping device crimping process as follows:

when the compression joint is carried out, one ends of two foil pieces needing compression joint are stacked on the compression joint surface, then the air cylinder is driven to press the support downwards, the support drives the air bag to press downwards, the bottom surface of the air bag is in contact with the foil piece arranged on the upper layer, the air cylinder continuously extrudes for a period of time, so that the air bag is matched with the compression joint surface, the two foil pieces are connected in a compression joint mode, after the extrusion time is completed, the air cylinder returns, the air bag is separated from the compression joint surface, and the compression joint of the foil pieces is completed.

The utility model discloses an air pocket surface is flexible for extrude the foil, the support supports the foil that needs carry out the crimping. When the air bag is used for crimping the foil, each extrusion point on the crimping surface of the air bag is in full contact with the foil, so that the stress on the surface of the foil is more uniform, the extrusion deformation and even damage of the foil can be effectively reduced, the crimping stability is improved, and the crimping effect of the foil is ensured.

In a preferred embodiment, the crimping surface is provided with a plurality of convex teeth, and the plurality of convex teeth are uniformly distributed on the crimping surface to cover the crimping surface.

The plurality of convex teeth arranged on the crimping surface can increase the firmness of two foils in butt joint when the foils are crimped, so that the foils are crimped more firmly and stably, and the quality of crimping is further improved.

In a preferred embodiment, the teeth are serrated.

The serrated convex teeth are used for enhancing the connection strength between the two foils when the foils are in compression joint. The utility model discloses in, do not do the injecing to the shape of dogtooth, operating personnel can be according to actual demand, and design corresponding dogtooth shape to reach its required joint strength.

In a preferred embodiment, the support is a truncated cone structure, and the top surface is the crimping surface.

The support in the shape of the circular truncated cone can support the foil more firmly when the foil is butted, and the radius of the two sides of the circular truncated cone is gradually increased, so that the non-crimping end of the foil can be bent, and the crimping end on the crimping surface can be crimped quickly and accurately.

In a more preferred embodiment, the air bag has a larger pressure contact area than the pressure contact surface when pressure-contacting.

When the air bag is used for crimping the foil, the crimping area of the air bag is larger than that of the crimping surface, so that the uniform and comprehensive stress of the foil can be ensured, the extrusion deformation of the foil is effectively reduced, and the crimping effect is improved.

In a preferred embodiment, the air cylinder is further provided with a control cabinet, the air cylinder is connected with an external air source through an air pressure regulating valve, and the air pressure regulating valve is electrically connected with the control cabinet.

In a preferred embodiment, a pressure sensor is disposed on the bracket, and the pressure sensor is electrically connected to the control cabinet.

For realizing extrusion pressure real time monitoring and adjustable, the utility model discloses a switch board is adjusted the output pressure of cylinder to adjust the pressure of pushing down of air pocket, through the pressure of pushing down of pressure sensor real-time supervision air pocket simultaneously, can effectively ensure the stability of crimping. When the air bag is in crimping, the pressure on the foil on the crimping surface is monitored in real time through the pressure sensor, if the pressure is too high or too low, the control cabinet adjusts the output pressure of the air cylinder through the adjusting valve to adjust the pressing pressure of the air bag, so that the air bag can stably and uniformly crimp the foil, and the condition of unstable crimping is avoided.

In a preferred embodiment, the top of the bracket is connected to the drive shaft of the cylinder.

In a preferable embodiment, the top of the bracket is provided with a screw hole, the end of the driving shaft of the air cylinder is provided with an external thread, and the driving shaft of the air cylinder is in threaded connection with the screw hole of the bracket.

The utility model provides a drive shaft and the support of cylinder adopt threaded connection's method, can be convenient for the operation workman to disconnect to the maintenance work in convenient later stage goes on. Besides the above-mentioned screw connection, other detachable connection modes can be adopted, such as clamping connection or insertion connection.

In a preferred embodiment, the bottom of the bracket is provided with a mounting groove, and the air bag is mounted in the mounting groove.

The support is mainly used for fixing the air bag and is connected with the air cylinder, in order to fix the air bag, the support is provided with an installation groove, the air bag is installed through the groove, expansion and deformation of two sides of the air bag are avoided, the pressure of the air bag is kept downward, and the air bag can stably press and connect foil pieces on a pressing surface.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses utilize the air pocket to replace current stainless steel squeeze roll, when carrying out the crimping, cylinder drive air pocket is down, carries out the crimping to the foil piece of placing on the crimping face. The utility model discloses an air pocket is when carrying out the crimping, and each extrusion point on its crimping surface is sufficient with the foil contact, when keeping the extrusion force to the foil, makes the atress on foil surface more even, effectively reduces the extrusion deformation of foil, harms even to improve the stability of crimping, guaranteed the crimping effect of foil.

Drawings

FIG. 1 is a block diagram of a docking assembly of the prior art;

fig. 2 is a schematic view of the crimping apparatus of the present invention when not in operation;

fig. 3 is a schematic view of the crimping apparatus of the present invention before crimping operation;

fig. 4 is a schematic view of the crimping device of the present invention during crimping;

FIG. 5 is an enlarged view of portion A of FIG. 3;

fig. 6 is a schematic connection diagram of the control cabinet.

In the figure: the device comprises an air cylinder 1, a stainless steel extrusion roller 2, a foil receiving table 3, a foil pressing moving motor 4, a foil pressing moving guide rail 5, a support 6, a mounting groove 601, an air bag 7, a support 8, a pressing surface 9, a convex tooth 901 and a pressure sensor 10.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1, in the prior art, when a foil is produced by a butting device, after the foils to be pressed are stacked, an air cylinder 1 moves to press a stainless steel extrusion roller 2 downwards to extrude the foils onto a toothed foil receiving table 3, and then a foil pressing moving motor 4 moves to make the air cylinder 1 move transversely back and forth on a foil pressing moving guide rail 5 to drive the stainless steel extrusion roller 2 to move back and forth, so that two aluminum foils are pressed together, after the foil receiving is completed, the air cylinder 1 stops moving, and the foil butting is completed.

However, the docking device described above has the following disadvantages:

1. the pressure of the cylinder 1 and the back-and-forth extrusion process of the stainless steel extrusion roller 2 are small, and the butt joint is unstable;

2. when the pressure is high, the foil is easily pressed to deform or even be crushed by the stress at the raised part in the back-and-forth extrusion process, so that the butt joint is unstable.

In order to solve the above problem, the present embodiment provides a foil crimping apparatus, which can ensure that the stress on the surface of the foil is more uniform, and can reduce the extrusion deformation and even damage of the foil during crimping, thereby effectively improving the stability of crimping, and ensuring the crimping effect of the foil.

As shown in fig. 2 to 5, the present embodiment provides a foil crimping apparatus including:

the pressing part comprises a cylinder 1 and a bracket 6 driven by the cylinder 1 to press down, and an air bag 7 is arranged at the bottom of the bracket 6;

the bearing part comprises a support 8 and a crimping surface 9 arranged at the top of the support 8;

the cylinder 1 drives the bracket 6 to press down so that the air bag 7 presses two foils placed on the pressing surface 9.

The crimping device comprises the following crimping processes:

when the compression joint is carried out, one ends of two foil sheets needing compression joint are stacked on the compression joint surface 9, then the air cylinder 1 is driven to enable the support 6 to be pressed downwards, the support 6 drives the air bag 7 to be pressed downwards, the bottom surface of the air bag 7 is in contact with the foil sheet arranged on the upper layer, the air cylinder 1 continuously extrudes for a period of time, so that the air bag 7 is matched with the compression joint surface 9, the two foil sheets are connected in a compression joint mode, after the extrusion time is finished, the air cylinder 1 returns, the air bag 7 is separated from the compression joint surface 9, and the compression joint of the foil sheets is finished.

The surface of the air bag 7 in this embodiment is flexible and is used for pressing the foil, and the support 8 supports the foil to be crimped. When the foil is crimped by the air bag 7, each squeezing point on the crimping surface of the air bag 7 is fully contacted with the foil, so that the stress on the surface of the foil is more uniform, the squeezing deformation and even damage of the foil can be effectively reduced, the crimping stability is improved, and the crimping effect of the foil is ensured.

Referring to fig. 5, in the present embodiment, a plurality of convex teeth 901 are provided on the crimping surface 9, and the plurality of convex teeth 901 are uniformly distributed on the crimping surface 9 to cover the crimping surface 9. The plurality of convex teeth 901 arranged on the crimping surface 9 can increase the firmness of the two foils in butt joint when the foils are crimped, so that the foils are crimped more firmly and stably, and the crimping quality is further improved.

In a preferred embodiment, the teeth 901 are saw-toothed. By using the serrated convex teeth 901, the connection strength between the two foils can be enhanced when the foils are crimped. The utility model discloses in, do not do the restriction to the shape of dogtooth 901, operating personnel can be according to actual demand, and design corresponding dogtooth shape to reach its required joint strength.

In this embodiment, the seat 8 is a truncated cone structure, and the top surface is the pressure contact surface 9. The truncated cone-shaped support 8 can support the foil more firmly when the foil is butted, and the radius of the two sides of the truncated cone is gradually increased, so that the non-crimping end of the foil can be bent, and the crimping end on the crimping surface 9 can be crimped quickly and accurately. Meanwhile, the support 8 with a proper shape can be arranged according to the practical application scene, so that the support can be stably and horizontally placed right below the air bag 7 to match the air bag 7 to stably press and connect the two foils.

In this embodiment, the pressure contact area of the gas bag 7 is larger than the pressure contact surface 9 at the time of pressure contact. When the air bag 7 is used for crimping the foil, the crimping area of the air bag 7 is larger than that of the crimping surface 9, so that the uniform and comprehensive stress of the foil can be ensured, the extrusion deformation of the foil is effectively reduced, and the crimping effect is improved.

As shown in fig. 6, in this embodiment, a control cabinet is further provided, the air cylinder 1 is connected to an external air source through an air pressure regulating valve, the air pressure regulating valve is electrically connected to the control cabinet, meanwhile, a pressure sensor 10 is provided on the support 6, and the pressure sensor 10 is electrically connected to the control cabinet.

For realizing extrusion pressure real time monitoring and adjustable, the utility model discloses a switch board is adjusted the output pressure of cylinder 1 to adjust the pressure of pushing down of air pocket 7, through the pressure of pushing down of pressure sensor 10 real-time supervision air pocket 7 simultaneously, can effectively ensure the stability of crimping. When the air bag 7 is in crimping, the pressure on the foil on the crimping surface 9 is monitored in real time through the pressure sensor 10, if the pressure is too high or too low, the control cabinet adjusts the output pressure of the air cylinder 1 through the adjusting valve to adjust the pressing pressure of the air bag 7, so that the air bag 7 can stably and uniformly crimp the foil, and the condition of unstable crimping is avoided.

In this embodiment, the top of the bracket 6 is detachably connected to the driving shaft of the cylinder 1, wherein the detachable connection is a threaded connection, that is, a threaded hole is formed in the top of the bracket 6, and an external thread is arranged at the end of the driving shaft of the cylinder 1 to connect the driving shaft of the cylinder 1 and the threaded hole of the bracket 6 by a thread. The utility model provides a cylinder 1's drive shaft and support 6 adopt threaded connection's method, can be convenient for the operation workman to disconnect to the maintenance work in convenient later stage goes on. Besides the above-mentioned screw connection, other detachable connection modes can be adopted, such as clamping connection or insertion connection.

In this embodiment, the bottom of the bracket 6 is provided with a mounting groove 601, and the air bag 7 is mounted in the mounting groove 601. The bracket 6 mainly functions to fix the air bag 7 and is connected with the cylinder 1, in order to fix the air bag 7, an installation groove 601 is arranged on the bracket 6, the air bag 7 is installed through the groove, expansion and deformation of two sides of the air bag 7 are avoided, the pressure of the air bag 7 is kept downward, and the air bag 7 can stably press and connect foil sheets on the pressing surface 9.

The following is a specific operation process of the crimping device in the embodiment for crimping the foil:

1) state when the crimping apparatus does not operate: as shown in fig. 2, when the production line is running, the crimping device is in a non-operating state, the cylinder 1 does not act at the moment, the compression joint device is in a recovery state, and the produced foil passes through the middle of the crimping part and the supporting part and runs forwards;

2) the state before the pressing device presses the foil: as shown in fig. 3, at this time, the foil stops being conveyed to the production line, the foil which is produced now is cut and placed on the pressing surface 9 with the convex teeth 901, and a new foil is also superposed on the foil which is produced now to complete the splicing and prepare for pressing connection;

3) and the compression joint device compresses the foil piece: as shown in fig. 4, the cylinder 1 acts to drive the bracket 6 to move downwards, so that the bracket 6 drives the air bag 7 to move downwards, the bottom surface of the air bag 7 presses two foils on the pressure contact surface 9 with the convex teeth 901, the cylinder 1 stops acting after the time is reached by setting the pressing time, the cylinder 1 is retracted, the butt joint is completed, wherein the pressure sensor 10 detects the pressure in the air bag 7, the pressure is transmitted to the control cabinet to be compared with the set pressure, and then the control cabinet controls the cylinder 1 through the air pressure regulating valve, so that the set pressing pressure can be reached when the cylinder 1 drives the air bag 7 to press;

4) after completion of crimping of the foil: after the foils are butted, the transmission roller of the production line is started to continue to transmit the pressed foils, namely, the foils produced at present drive new foils to transmit and process to the production line, namely, the working state in the figure 2 is changed back.

The utility model discloses a crimping device can use in following these application: applications such as foil formation, foil etching lines, and for the butt joint between a now produced foil and a new foil.

The utility model discloses utilize air pocket 7 to replace current stainless steel squeeze roll 2, when carrying out the crimping, cylinder 1 drive air pocket 7 is down, carries out the crimping to the foil of placing on crimping face 9. The utility model discloses an air pocket 7 is when carrying out the crimping, and each extrusion point on its crimping surface can be fully with the foil contact, when keeping the extrusion force to the foil, makes the atress on foil surface more even, effectively reduces the extrusion deformation of foil, damages even to improve the stability of crimping, guaranteed the crimping effect of foil.

Example 2:

the embodiment is similar to embodiment 1, and the difference is that in this embodiment, a linear module (not shown in the figure) arranged along the foil transportation direction is arranged above the cylinder 1, the linear module is fixed with the top of the cylinder 1 through a slider, the linear module drives the slider to slide to enable the slider to drive the whole crimping part to move transversely through the cylinder 1, and a plurality of bearing parts are correspondingly and uniformly distributed along the foil transportation direction, and in the foil transportation process, for crimping generated at different positions, the slider can be driven by the linear module to drive the crimping part to move above the corresponding bearing part, so that the air bag 7 is matched with the crimping surface 9 to crimp the foil.

The embodiment designs a straight line displacement mechanism aiming at the foils needing to be crimped at different positions on the production and transportation line, so that the straight line displacement mechanism drives one crimping part to correspond to the bearing parts at a plurality of different positions, and the straight line displacement mechanism is one-to-many, can effectively and conveniently crimp the foils at different positions, and improves the production efficiency.

If the mechanical arm with multiple degrees of freedom is needed to be arranged on the same transport line, the mechanical arm drives the crimping part to move in place, and the transport line is more convenient and fast. The specific mobile position design can be set according to the actual application scenario, and should not be taken as a limitation here.

Example 3:

the embodiment is similar to embodiment 1, except that in the embodiment, the mounting groove 601 in the bracket 6 is circular, the air bag 7 is mounted in the circular mounting groove 601, the peripheral side of the air bag 7 is tightly attached to the inner wall of the groove, the bottom of the air bag 7 protrudes out of the groove to form an arc surface, the crimping surface 9 matched with the air bag 7 is circular, and the circular area of the crimping surface is smaller than that of the bottom of the air bag 7, so as to ensure that the air bag 7 can completely cover the crimping surface 9 when pressing downwards, and carry out all-round uniform crimping on the foil on the crimping surface 9, so that the stress of the foil is uniform when crimping is carried out, the extrusion deformation and even damage of the foil are effectively reduced, the stability of crimping is improved, and the crimping effect of the foil is ensured.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A foil crimping apparatus, comprising:

the pressing part comprises a cylinder (1) and a bracket (6) driven by the cylinder (1) to press downwards, and an air bag (7) is arranged at the bottom of the bracket (6);

the bearing part comprises a support (8) and a crimping surface (9) arranged at the top of the support (8);

the air cylinder (1) drives the bracket (6) to press downwards so that the air bag (7) is pressed and connected with two foils placed on the pressing and connecting surface (9).

2. Foil crimping device according to claim 1, characterized in that the crimping surface (9) is provided with a plurality of teeth (901), the plurality of teeth (901) being evenly distributed over the crimping surface (9) for covering the crimping surface (9).

3. Foil crimping device according to claim 2, characterized in that the teeth (901) are serrated.

4. Foil crimping device according to claim 1 or 2, characterized in that the abutment (8) is of a truncated-cone-shaped construction, the top surface being the crimping surface (9).

5. Foil crimping device according to claim 1 or 2, characterized in that the crimping area of the gas pocket (7) is larger than the area of the crimping surface (9) when crimped.

6. Foil crimping device according to claim 1, characterized in that a control cabinet is provided, the cylinder (1) being connected to an external air source via a pneumatic control valve, the pneumatic control valve being electrically connected to the control cabinet.

7. Foil crimping device according to claim 6, characterized in that a pressure sensor (10) is provided on the holder (6), the pressure sensor (10) being electrically connected to the control cabinet.

8. Foil crimping device according to claim 1, characterized in that the top of the holder (6) is connected with the drive shaft of the cylinder (1).

9. Foil pressure welding device according to claim 8, wherein the top of the holder (6) is provided with a threaded hole, the end of the drive shaft of the cylinder (1) is provided with an external thread, and the drive shaft of the cylinder (1) is in threaded connection with the threaded hole of the holder (6).

10. Foil crimping device according to claim 1, characterized in that the bottom of the holder (6) is provided with a mounting groove (601), the gas bag (7) being mounted in the mounting groove (601).