WO2022110607A1

WO2022110607A1 - Edge covering device

Info

Publication number: WO2022110607A1
Application number: PCT/CN2021/085548
Authority: WO
Inventors: 靳程锐; 苏世龙; 樊则森; 方舟; 潘浩; 侯景鹏; 雷俊; 于建方
Original assignee: 中建科技集团有限公司
Priority date: 2020-11-30
Filing date: 2021-04-06
Publication date: 2022-06-02
Also published as: CN112453143A

Abstract

An edge covering device, which is used for covering an edge of a frame structure (1). The frame structure (1) comprises a frame main body (11), and a convex edge (12) connected to the frame main body (11) in a circumferential direction and turned over outwards. The convex edge (12) is covered with an edge covering material (2) capable of generating plastic deformation, and the edge covering material (2) is provided with a body part (21) which is overlapped with the convex edge (12) and a protruding part (22) which is connected to the body part (21) and protrudes out of the convex edge (12). The frame structure (1) comprises a bending assembly (100) and an edge covering assembly (200), wherein the bending assembly (100) can move towards the protruding part (22) so as to push the protruding part (22) to be bent at a first bending angle relative to the body part (21), and the edge covering assembly (200) can move towards the protruding part (22) so as to push the protruding part (22) to be continuously bent at a second bending angle, such that the protruding part (22) covers the convex edge (12) of the frame main body (11).

Description

hemming device

This application claims the priority of the Chinese patent application with the application number 202011380161.X and the application name "Hemming Device" filed in the China Patent Office on November 30, 2020, the entire contents of which are incorporated into this application by reference .

technical field

The present application belongs to the technical field of house construction, and more particularly, relates to a hemming device.

Background technique

At present, the national and local governments have successively issued a series of policies to promote prefabricated buildings, and various enterprises have successively carried out research work on prefabricated buildings. Modular integrated house is a kind of building form with a high degree of prefabrication that conforms to the prefabricated building form. This type of building is a kind of building that uses a single room as a prefabricated component unit, produces prefabricated components in the factory and transports the prefabricated components to the site for installation. The resulting building structure.

Among them, the prefabricated components of the modular integrated house usually include a frame structure. In order to protect the upper end of the frame structure from damage, it is necessary to use hemming materials to wrap the frame structure. However, in the prior art, manual operations are usually used. For hemming, the work efficiency is low.

technical problem

The purpose of the present application is to provide an hemming device to solve the technical problem in the prior art that the frame structure is manually hemmed, and the operation efficiency is low.

technical solutions

In order to achieve the above purpose, the technical solution adopted in the present application is to provide a hemming device for hemming a frame structure, the frame structure comprising a frame body and a frame body that is circumferentially connected to the frame body and folded outwards. the convex edge, the convex edge cover is provided with a plastic-deformable hemming material, the hemming material has a body part overlapping with the convex edge and a body part connected to the body part and protruding from the convex edge The protruding part of the hemming device includes:

a bending assembly, the bending assembly can move toward the protruding part to push the protruding part to bend a first bending angle relative to the body part;

The hemming assembly is capable of moving toward the protruding portion, so as to push the protruding portion to continue to bend at a second bending angle.

Further, the bending assembly has a first pushing surface arranged at an obtuse angle with the protruding portion, and the first pushing surface can abut against when the bending assembly moves toward the protruding portion. The edge of the protruding portion is pushed and the protruding portion is pushed to slide along the first pushing surface, so that the protruding portion is bent by the first bending angle relative to the body portion.

Further, the hemming assembly can abut against the side surface of the protruding portion when moving toward the protruding portion, and push the protruding portion to continue bending the second bending angle.

Further, the protruding portion is bent at the second bending angle and then attached to the side of the convex edge facing away from the body portion.

Further, the moving direction of the bending assembly and the hemming assembly is the same, and the bending assembly is located below the hemming assembly.

Further, the bending assembly includes a plurality of circumferentially distributed bending mechanisms, the bending mechanism includes a plug, a guide member and a driving member, the plug is slidably connected with the guide member, and the driving member is used for The plug is driven to slide along the extending direction of the guide member, so that the plug pushes the protruding portion and bends the first bending angle downward.

Further, the length of the plug matches the length of the protrusion.

Further, the hemming assembly includes a plurality of circumferentially distributed wiping mechanisms, the wiping mechanisms include a wiping head, a sliding joint and a power piece, the wiping head is slidably connected to the sliding joint, and the The power member is used to drive the wiper head to slide along the extending direction of the sliding connection member, so that the wiper head pushes the protruding portion to continue folding the second bending angle.

Further, the length of the wiper head matches the length of the bent portion.

Further, the hemming device further includes a pressing mechanism for pressing the hemming material against the frame structure.

beneficial effect

The beneficial effect of the hemming device provided by the present application is that compared with the prior art, the hemming device of the present application is used for hemming the frame structure. The convex edge cover is provided with a hemming material capable of plastic deformation, the hemming material has a body part overlapping with the hemming material and a protruding part connected to the body part and protruding from the convex edge. The hemming device It includes a bending assembly and a hemming assembly, wherein the bending assembly can move toward the protruding part to push the protruding part to bend a first bending angle relative to the body part, and the hemming assembly can move toward the protruding part to Pushing the protruding part continues to bend the second bending angle. By setting the bending assembly and the hemming assembly, the hemming material is folded in half after bending the first bending angle and the second bending angle, and wraps the convex edge of the frame body. The device has a high degree of automation and avoids the use of manual work. The hemming operation improves the work efficiency, and the hemming effect is good and the precision is high.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of an explosive structure of a hemming device provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a bending assembly provided by an embodiment of the present application;

3 is a schematic structural diagram of a hemming assembly provided by an embodiment of the present application;

4 is a schematic structural diagram of a frame structure provided by an embodiment of the present application;

5 is a schematic structural diagram of a frame structure and a hemming material being assembled together according to an embodiment of the present application;

6 is a schematic structural diagram of the hemming material provided by the embodiment of the present application after being bent for the first time;

FIG. 7 is a schematic structural diagram of the hemming material provided by the embodiment of the present application after the second bending.

Among them, each reference sign in the figure:

1. Frame structure; 11. Frame body; 12. Raised edge; 2. Hemming material; 21. Body part; 22. Protruding part; 100. Bending assembly; 110. Bending mechanism; 111. Plug; 112, guide member; 113, driving member; 200, hemming assembly; 210, pushing and wiping mechanism; 211, wiping head; 212, sliding joint; 213, power member; 300, pressing mechanism; 400, a support mechanism; 410, a fixed plate; 420, a lifting piece.

Embodiments of the present invention

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the application and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 to FIG. 5 together, and now the hemming device provided by the present application will be described. The hemming device is used for hemming the frame structure 1, the frame body 11 of the frame structure 1 and the flange 12 which is circumferentially connected to the frame main body 11 and folded outwards. The flange 12 is covered with a plastic deformation device. The hemming material 2, the hemming material 2 has a main body part 21 overlapping the convex edge 12 and a protruding part 22 connected to the main body part 21 and protruding from the convex edge 12. It should be noted that the frame structure 1 is the upper frame of the modular integrated house, which belongs to the prefabricated components of the modular integrated house and is used to build the modular integrated house. The cross-sectional shape of the frame main body 11 is not limited in this embodiment, and it may be a quadrilateral. , pentagons, triangles or any other polygons are within the scope considered in this embodiment, and this embodiment does not limit the outline of the convex edge 12; The shape and size of the protruding parts 22 are matched with the convex edge 12 , so that each protruding part 22 covers the corresponding convex edge 12 . The edging material 2 is a common skin structure made of a soft metal material, which can be plastically deformed when a certain bending stress is applied. Specifically, the soft metal material can be a galvanized steel sheet, It can also be one or more of aluminum alloy, magnesium alloy, titanium alloy or tweezers molybdenum tungsten alloy. It should be noted that the hemming material 2 is not limited to the above-mentioned materials, and in other embodiments, the hemming material 2 may also be made of non-metallic materials.

The hemming device includes a bending assembly 100 and a hemming assembly 200 .

Please refer to FIG. 1 and FIG. 6 , wherein the bending assembly 100 can move toward the protruding portion 22 to push the protruding portion 22 to bend the first bending angle relative to the body portion 21 . Specifically, the protruding portion 22 can undergo plastic deformation. When the bending assembly 100 pushes the protruding portion 22, the protruding portion 22 can be bent downward, and the first bending angle is an acute angle.

Please refer to FIG. 1 and FIG. 7 , the hemming assembly 200 can move toward the protruding portion 22 to push the protruding portion 22 to continue to bend at the second bending angle. Specifically, after the protruding portion 22 is bent for the first time, the hemming assembly 200 can push the bent protruding portion 22 in the same direction to continue to bend the protruding portion 22 by the second bending angle, so that the protruding portion 22 It can be attached to the bottom side of the flange 12 .

Compared with the prior art, the hemming device provided by the present application is used for hemming the frame structure 1. The frame structure 1 includes a frame body 11 and a flange 12 that is circumferentially connected to the frame body 11 and folded outwards. The flange 12 is covered with a hemming material 2 capable of plastic deformation. The hemming material 2 has a body portion 21 overlapping with the hemming material 2 and a protruding portion 22 connected to the body portion 21 and protruding from the flange 12 . The hemming device includes a bending assembly 100 and a hemming assembly 200, wherein the bending assembly 100 can move toward the protruding portion 22 to push the protruding portion 22 to bend the first bending angle relative to the body portion 21, including The edge assembly 200 can move toward the protruding portion 22 to push the protruding portion 22 to continue to bend at the second bending angle. By arranging the bending assembly 100 and the hemming assembly 200, the hemming material 2 is folded in half after being bent at the first bending angle and the second bending angle, and wraps the convex edge 12 of the frame body 11. The device has a high degree of automation. The manual hemming operation is avoided, the operation efficiency is improved, and the hemming effect is good and the precision is high.

Please refer to FIG. 1 , FIG. 2 , FIG. 5 , and FIG. 6 together. As a specific embodiment of the hemming device provided by the present application, the bending assembly 100 has a first pushing surface disposed at an obtuse angle with the protruding portion 22 . 1110, the first pushing surface 1110 can abut against the edge of the protrusion 22 when the bending assembly 100 moves toward the protrusion 22, and push the protrusion 22 to slide along the first pushing surface 1110, so that the protrusion The outgoing portion 22 is bent relative to the main body portion 21 by a first bending angle. Specifically, since the surface of the protruding portion 22 is flat, when the first pushing surface 1110 pushes the protruding portion 22 , the first pushing surface 1110 abutting against the edge of the protruding portion 22 will move toward the protruding portion 22 . When a pushing force is applied, the protruding portion 22 will be bent downward under the action of plastic deformation and a first bending angle relative to the body portion 21 , so as to gradually fit the first pushing surface 1110 , so that the protruding portion 22 Bend the first bend angle.

Preferably, the first bending angle is 45 degrees.

Please refer to FIG. 1 , FIG. 6 and FIG. 7 , as a specific embodiment of the hemming device provided by the present application, the hemming assembly 200 can abut against the side surface of the protruding portion 22 when moving toward the protruding portion 22 , and Pushing the protruding portion 22 continues to bend the second bending angle. It should be noted that the side surface refers to the surface facing the hemming assembly 200 formed after the protruding portion 22 is bent at the first bending angle. After the protruding portion 22 is bent at the first bending angle, it will slope downward by 45 At this time, the protruding part 22 cannot cover the convex edge 12, so the hemming assembly 200 needs to continue to push the side surface of the protruding part 22, so that the protruding part 22 continues to bend at the second bending angle and finally wraps Overlay flange 12.

Preferably, the second bending angle is 135 degrees, so that the protruding portion 22 is just folded in half.

Referring to FIG. 7 , as a specific embodiment of the hemming device provided in the present application, the protruding portion 22 is bent at a second bending angle and is attached to the side of the protruding edge 12 facing away from the body portion 21 . Specifically, after the protruding portion 22 is bent at the second bending angle, it is attached to one side of the main body portion 21 , so that the protruding portion 22 is just folded in half, so that each protruding portion 22 covers the convex edge 12 . The stability is better and the hemming effect is improved.

Please refer to FIG. 1 , as a specific embodiment of the hemming device provided in the present application, the moving direction of the bending assembly 100 and the hemming assembly 200 are the same, and the moving direction of the bending assembly 100 and the moving direction of the hemming assembly 200 are Similarly, it is ensured that the pushing direction of the bending assembly 100 and the hemming assembly 200 for pushing the protruding portion 22 is the same, and the protruding portion 22 can be bent in one direction. The bending assembly 100 is located below the hemming assembly 200. Further, the hemming device further includes a support mechanism 400. The support mechanism 400 includes a fixing plate 410 and a lifting member 420. The frame structure 1 is fixedly connected to the fixing plate 410, and the hemming material 2 The cover is arranged on the frame structure 1, and the lifting member 420 is arranged on the side of the fixing plate 410 away from the frame structure 1. The lifting member 420 is used to drive the fixing plate 410 to reciprocate between the first position and the second position. By setting the fixing plate 410 The frame structure 1 can be fixed, the stability of the frame structure 1 when the frame structure 1 is hemmed is improved, and the hemming effect is improved. Specifically, when the fixing plate 410 is at the first position, the bending assembly 100 operates, and the bending assembly 100 pushes the protruding portion 22 to bend the first bending angle relative to the body portion 21 at this position, and the fixing plate 410 is at the first position. In the second position, the hemming assembly 200 operates, and the hemming assembly 200 pushes the side of the protruding portion 22 at this position to continue to bend the second bending angle. Since the bending assembly 100 is located below the hemming assembly 200, the fixing plate When moving from the first position to the second position, the 410 needs to perform a rising motion. The lifting member 420 realizes the transportation of the frame structure 1 from the first position to the second position. The degree of automation is high, which is beneficial to improve the hemming efficiency.

Please refer to FIG. 2 , as a specific embodiment of the hemming device provided in the present application, the bending assembly 100 includes a plurality of circumferentially distributed bending mechanisms 110 , and the bending mechanism 110 includes a plug 111 , a guide member 112 and a driving member 113. The plug 111 is slidably connected to the guide member 112, and the driving member 113 is used to drive the plug 111 to slide along the extending direction of the guide member 112, so that the plug 111 pushes the protruding portion 22 and bends downward by the first bending angle. The specific working principle is as follows: the driving member 113 is pushed out to drive the plug 111 to slide along the extending direction of the guide member 112, so that the first pushing surface 1110 on the plug 111 punches the corresponding protruding portion 22 until the protruding portion 22 is pushed out. The protruding portion 22 is punched to a downward slope of 45°, and then the driving member 113 retracts to drive the plug 111 to reset, and the first bending operation of each protruding portion 22 is completed. The outlet 22 performs the operation, and may perform the operation at the same time. By arranging a bending mechanism to push the protruding portion 22, manual bending of the protruding portion 22 is avoided, and the bending speed is greatly improved.

Referring to FIG. 2 , as a specific embodiment of the hemming device provided in the present application, the length of the plug 111 matches the length of the protruding portion 22 . Specifically, since the lengths of the protruding portions 22 are not completely equal, matching the length of the plug 111 with the length of the protruding portion 22 enables the first pushing surface 1110 to be in contact with the protruding portion 22 during the process of the plug 111 pushing the protruding portion 22 . The protruding portion 22 has a stable contact area, so that the protruding portion 22 can achieve a better bending effect during the first bending.

Please refer to FIG. 3 , as a specific embodiment of the hemming device provided in the present application, the hemming assembly 200 includes a plurality of wiping mechanisms 210 distributed in the circumferential direction. The power member 213, the wiper head 211 is slidably connected with the sliding member 212, and the power member 213 is used to drive the wiper head 211 to slide along the extending direction of the sliding member 212, so that the wiper head 211 pushes the wiper protrusion 22 to continue to fold the second bend Fold angle. The specific working principle is as follows: the power member 213 is pushed out to drive the wiper head 211 to slide along the extending direction of the sliding member 212 , so that the wiper head 211 punches the side of the corresponding protruding part 22 until the protruding part 22 is punched. Then, the power element 213 retracts to drive the wiper head 211 to reset, and the second bending operation of each protruding part 22 is completed. The side surfaces of the corresponding protruding portions 22 may be operated sequentially, or may be performed simultaneously. By arranging the pushing mechanism 210 to push the side surface of the protruding portion 22, the manual pushing and wiping operation of the protruding portion 22 is avoided, and the hemming speed is greatly improved.

Referring to FIG. 3 , as a specific embodiment of the hemming device provided in the present application, the length of the wiper head 211 matches the length of the protruding portion 22 . Specifically, since the lengths of the protruding parts 22 are not completely equal, the matching of the length of the wiper head 211 with the length of the protruding part 22 can make the wiper head 211 push the side surface of the protruding part 22, the wiper head 211 and the protruding part 22. The protruding portion 22 has a stable contact area, so that the protruding portion 22 can achieve a better bending effect during the second bending, which is beneficial to bend the protruding portion 22 to fit the convex edge 12 and face away from the body. part 21 side.

Preferably, the end surface of the wiper head 211 is an arc surface, which is favorable for pushing and wiping the side surface of the protruding portion 22 and can prevent the protruding portion 22 from being worn to a certain extent.

Preferably, the guide member 112 and the sliding member 212 are both guide rail structures.

Referring to FIG. 1 , as a specific embodiment of the hemming device provided in the present application, the hemming device further includes a pressing mechanism 300 , which is used for pressing the hemming material 2 against the frame structure 1 . Specifically, the pressing mechanism 300 presses the hemming material 2 against the frame structure 1 when the frame structure 1 is in the first position and the second position respectively. During the first bending operation and the second bending operation, the hemming material 2 can be tightly pressed on the frame structure 1, which ensures the stability of the hemming material 2 and also ensures the frame structure 1. edging effect.

The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. Inside.

Claims

An edge wrapping device is used for wrapping a frame structure, the frame structure includes a frame body and a convex edge circumferentially connected to the frame body and folded outwards, the convex edge cover is provided with a plastic A deformed hemming material, the hemming material has a body part overlapping the convex edge and a protruding part connected to the body part and protruding from the convex edge, characterized in that the hemming device include:

a bending assembly, the bending assembly can move toward the protruding portion to push the protruding portion to bend a first bending angle relative to the body portion;

The hemming assembly is capable of moving toward the protruding portion, so as to push the protruding portion to continue to bend at a second bending angle.
The hemming device according to claim 1, wherein the bending component has a first pushing surface which is arranged at an obtuse angle with the protruding portion, and the first pushing surface can When the component moves toward the protruding part, it abuts against the edge of the protruding part, and pushes the protruding part to slide along the first pushing surface, so that the protruding part is relative to the body The part is bent at the first bending angle.
The hemming device according to claim 1, wherein the hemming assembly can abut against the side surface of the protruding part when moving toward the protruding part, and push the protruding part to continue Bending the second bending angle.
3. The hemming device according to claim 3, wherein the protruding portion is bent at the second bending angle and then attached to the side of the protruding edge facing away from the body portion.
The hemming device according to claim 1, wherein the bending assembly and the hemming assembly move in the same direction, and the bending assembly is located below the hemming assembly.
The hemming device according to claim 1, wherein the bending assembly includes a plurality of circumferentially distributed bending mechanisms, the bending mechanism includes a plug, a guide and a driving member, the plug is connected to the The guide member is slidably connected, and the driving member is used to drive the plug to slide along the extending direction of the guide member, so that the plug pushes the protruding portion to bend downward at the first bending angle.
The hemming device according to claim 6, wherein the length of the plug matches the length of the protrusion.
The hemming device according to claim 1, wherein the hemming assembly comprises a plurality of wiping mechanisms distributed in the circumferential direction, and the wiping mechanisms comprise a wiper head, a sliding part and a power part, and the wiper The head is slidably connected with the sliding joint, and the power member is used to drive the wiper head to slide along the extension direction of the slide joint, so that the wiper head pushes the protruding part and continues to fold the first Two bending angles.
The hemming device according to claim 8, wherein the length of the wiper head matches the length of the protruding portion.
The hemming device according to any one of claims 1 to 9, further comprising a pressing mechanism for pressing the hemming material to the frame structure.