WO2023240476A1 - Bouterolle de rivetage et appareil de rivetage - Google Patents

Bouterolle de rivetage et appareil de rivetage Download PDF

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Publication number
WO2023240476A1
WO2023240476A1 PCT/CN2022/098837 CN2022098837W WO2023240476A1 WO 2023240476 A1 WO2023240476 A1 WO 2023240476A1 CN 2022098837 W CN2022098837 W CN 2022098837W WO 2023240476 A1 WO2023240476 A1 WO 2023240476A1
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WIPO (PCT)
Prior art keywords
riveting
component
elastic member
driving mechanism
concave platform
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PCT/CN2022/098837
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English (en)
Chinese (zh)
Inventor
李鹏飞
叶秀鹏
宁庆波
郑石雄
***
Original Assignee
宁德时代新能源科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to CN202280062813.6A priority Critical patent/CN118055814A/zh
Priority to PCT/CN2022/098837 priority patent/WO2023240476A1/fr
Publication of WO2023240476A1 publication Critical patent/WO2023240476A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines

Definitions

  • the present application relates to the technical field of riveting, and in particular to a riveting mold and riveting equipment.
  • Self-piercing riveting is a new cold processing connection technology for plates, which uses the large plastic deformation of the plate to form mechanical internal locks to connect riveted parts.
  • most riveting molds currently have cavities that are cylindrical or truncated.
  • this cavity structure will lead to a small interlocking value after riveting and insufficient remaining thickness of the material. A situation that makes riveted parts prone to breakage or detachment during use.
  • This application provides a riveting mold and riveting equipment, which facilitates smooth demoulding of riveted parts after riveting is completed.
  • the present application provides a riveting mold, including: a concave platform, including at least a first component and a second component, the first component and the second component enclose to form the concave platform, and the The concave platform is provided with a cavity, and one end of the cavity has an opening.
  • the concave platform is used for riveting the riveting parts; wherein, the first component and the second component are detachable, so that the riveting component can be separated The concave platform.
  • the technical solution of this application is to set the riveting mold into two or more separable structures, so that the components of the riveting mold can be separated from each other after the riveting is completed, and the size of the cavity can be changed, which is beneficial to the smoothness of the riveting. Remove from the mold.
  • the riveting die further includes a driving mechanism for driving the first component and/or the second component so that the first component and the second component interact with each other. Separate or close.
  • the driving mechanism drives the first component and the second component to approach each other to form a closed riveting mold structure to ensure the normal progress of the riveting work.
  • the driving mechanism drives the first part and the second part to separate from each other to ensure that the completed riveted parts are smoothly and quickly detached from the riveting mold, thereby ensuring continuous and automated riveting of the riveting equipment.
  • the riveting mold further includes: a support member located below the concave platform and used to support the concave platform and the driving mechanism.
  • the support member by arranging the support member, the concave platform and the driving mechanism can be supported and the riveting mold 10 can be integrated into an integrated structure, which is beneficial to reducing the difficulty of assembling the riveting mold and other equipment.
  • a slide rail is provided on the support member, at least one of the first component and the second component is movably disposed on the slide rail, and the driving mechanism is used to drive the first component.
  • the component and/or the second component moves on said slide rail.
  • the above embodiment is a way of bringing the first component and the second component close to and apart from each other.
  • the first part and the second part can be driven to separate from each other, so that the riveting part can be smoothly demoulded from the riveting mold 10 .
  • the first component and the second component can be smoothly slid and separated through the slide rail, which is beneficial to improving the stability of the riveting mold structure.
  • the support member includes a fixing member, the fixing member is protrudingly disposed on a side of the support member close to the concave platform, and the fixing member is connected to the first component and/or the recess.
  • the second components are arranged at intervals, and one end of the driving mechanism is connected to the fixing member, and the other end is connected to the first component and/or the second component.
  • the support member only includes components located under the recess, there is an included angle between the driving mechanism and the first component or the second component.
  • the included angle is small, a larger driving force is required to move the first component and the second component.
  • the second component is separated. Therefore, when the support member includes a fixing piece protruding toward the concave platform, and one end of the driving mechanism is connected to the fixing piece, the angle between the driving mechanism and the concave platform can be effectively increased, and the required driving force can be reduced. The force separates the first component and the second component from each other.
  • the driving mechanism is an elastic member.
  • the driving mechanism includes: a first elastic member with one end connected to the first component and the other end connected to the fixing member; and/or a second elastic member with one end connected to the fixing member. Connect the second component, and connect the other end to the fixing piece.
  • the first elastic member and/or the second elastic component drives the first component and/or the second component to separate from each other through the slide rail, so that the riveting component is separated from the riveting mold.
  • the first elastic member and/or the second elastic member drive the first component and/or the second component to approach each other through the slide rail to form a closed concave platform, waiting for the next round of riveting work.
  • the separate riveting mold structure is used in conjunction with the slide rail and the elastic member to realize the opening of the concave platform when the riveted part is taken out, which helps the riveted part to be demoulded smoothly and quickly.
  • the elastic part itself has the ability to be compressed without force. Due to the force-rebound characteristics, automated riveting can be achieved using only elastic parts without the need for other driving equipment.
  • the first elastic member and/or the second elastic member are in a compressed state.
  • the first elastic member and/or the second elastic member when the first component and the second component are separated, the first elastic member and/or the second elastic member are in a compressed state and can automatically rebound after demoulding is completed, thereby realizing automated riveting.
  • the first elastic member and/or the second elastic member are parallel to the slide rail.
  • the angle between the first elastic member and/or the second elastic member and the concave platform is 90 degrees, which is most beneficial. Realize the separation and approach of the first component and the second component.
  • the riveting mold includes: a first rotating shaft for rotationally connecting the support member and the first component; and/or a second rotating shaft for rotating the support member and the third component. Two parts.
  • the above embodiment is another way to bring the first component and the second component close to and separated from each other.
  • the driving mechanism drives the first component and/or the second component to separate from each other through the first rotating shaft and/or the second rotating shaft, so that the riveting component can be separated from the concave platform.
  • the driving mechanism drives the first part and/or the second part to approach each other through the rotating shaft to form a complete concave platform, waiting for the next round of riveting work to realize automated riveting.
  • the driving mechanism is disposed between the first component and the support to cooperate with the first rotating shaft to separate the first component from the second component; and/or The driving mechanism is disposed between the second component and the support member to cooperate with the second rotating shaft to separate the first component from the second component.
  • the first component and the second component can be separated from each other after the riveting of the riveted component is completed, thereby achieving smooth demoulding of the riveted component.
  • the driving mechanism further includes: a third elastic member, one end connected to the end of the first component close to the opening, and the other end connected to the support member; and/or a fourth elastic member, one end connected to One end of the second component is close to the opening, and the other end is connected to the support member.
  • the separate riveting mold structure is used to cooperate with the first rotating shaft and/or the second rotating shaft, so that the riveting mold can be opened when the riveting part is taken out, which helps the riveting part to be smoothly and quickly demoulded.
  • the third elastic member and/or the fourth elastic member are in a compressed state.
  • the third elastic member and/or the fourth elastic member are in a compressed state and can automatically rebound after the riveting is completed, thereby realizing automated riveting.
  • the slide rail and the rotating shaft on the support member can exist at the same time, as another way to bring the first component and the second component closer to and separate from each other.
  • the first part and the second part are driven to separate from each other through the slide rail and the rotating shaft at the same time, thereby completing the demoulding process of the riveting part.
  • the first part and the second part are driven to approach each other simultaneously through the slide rail and the rotating shaft under the action of the driving member.
  • the cross-section in the depth direction of the cavity is a trapezoid, and a bottom angle of the trapezoid away from the opening is an acute angle.
  • the trapezoid is an isosceles trapezoid.
  • the material flowing into the bottom corner of the riveted part after riveting is the same everywhere, which can make the connection strength of the riveted buckle the same everywhere, thereby further improving the riveting quality.
  • the base angle ranges from 45 to 85 degrees.
  • the angle of the trapezoid away from the opening is set to 45-85 degrees, on the one hand, it is conducive to streamlining the riveting industry, and on the other hand, it is conducive to improving the riveting quality of the riveted parts.
  • the bottom angle is less than 45 degrees, due to the different ductility of different riveting parts, insufficient filling of the bottom corner may occur after the material of the riveting part is extruded into the bottom corner, which is not conducive to the process flow of the riveting industry.
  • the bottom angle is greater than 85 degrees, the interlocking value of the riveted parts is small and the riveting quality is not ideal.
  • the present application provides a riveting equipment, including the riveting mold and the riveting head described in the first aspect.
  • the riveting head is provided on the side of the riveting mold where the concave platform is provided, and is used for connecting the riveting mold to the riveting mold.
  • the riveting part is riveted in the concave platform.
  • the pressure of the riveting head is used to press the riveted parts into the riveting mold.
  • the anti-rust coating or paint layer of the riveted parts will deform and flow along with the riveted parts, which will not cause damage to the surface of the riveted parts and will not cause damage to the surface of the riveted parts. It will affect the corrosion resistance and strength of the riveted parts at the connection points.
  • the riveting head includes a protruding portion disposed at the bottom end of the riveting head, and the protruding portion is used to press the riveting component into the concave platform.
  • the width of the riveting head will be limited by the width of the cavity opening. Therefore, a protrusion is provided at the bottom of the riveting head, and the protrusion is used to push the riveted part into the recess. Press into the concave platform.
  • the size of the protrusion can be flexibly set according to the width of the cavity opening.
  • the cross-section in the depth direction of the protrusion is trapezoidal, and the base angle away from the rivet head is an obtuse angle.
  • the bottom angle of the trapezoid is set to an obtuse angle.
  • the upper plate of the riveted part has more remaining material after riveting, that is, the thickness of the remaining material is larger, which is beneficial to improving the Riveting quality.
  • the cross-section in the depth direction of the protrusion is an isosceles trapezoid.
  • the riveting thickness can be the same everywhere after the riveting is completed, which is beneficial to improving the connection strength of the riveting buckle and improving the riveting quality.
  • the maximum radial dimension of the protrusion is less than the width of the opening.
  • the maximum radial dimension of the protrusion is smaller than the width of the opening.
  • the technical solution of this application is to configure the riveting mold into two or more separable structures, and cooperate with the rotating shaft and/or the slide rail to enable the riveted parts to be quickly and smoothly demoulded after the riveting is completed. Furthermore, setting the cavity of the riveting mold as a straight trapezoidal structure can increase the interlocking value between the upper and lower plates of the riveted part after riveting, and setting the protruding part of the riveting head as an inverted trapezoidal structure can increase the thickness of the remaining material. Thereby improving the riveting quality of riveted parts.
  • Figure 1 is a schematic diagram of a self-piercing riveted connection joint without rivets.
  • Figure 2 is a schematic structural diagram of a riveting mold disclosed in an embodiment of the present application.
  • Figure 3 is a schematic structural diagram of another riveting mold disclosed in an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of yet another riveting mold disclosed in an embodiment of the present application.
  • Figure 5 is a schematic structural diagram of a riveting equipment disclosed in an embodiment of the present application.
  • Self-piercing riveting is a new cold processing connection technology for plates, which uses the large plastic deformation of the plates to form mechanical internal locks to connect the plates. According to the presence or absence of rivets, self-piercing riveting can be divided into two forms: self-piercing riveting with rivets and self-piercing riveting without rivets.
  • self-piercing riveting uses a pressure head to pierce the upper plate and the lower plate or the upper plate but not the lower plate, and then the rivets are opened to the periphery under the combined action of the punch and the riveting die to form a rivet.
  • Buckle so that the upper and lower plates form a mechanical internal locking structure
  • rivet-less self-piercing (clinching) riveting uses a rivet head to cooperate with a riveting die, and the upper and lower connected plates form a mechanical interlock through punching force. After riveting is completed, the interlocking value and the remaining thickness of the material are important indicators for measuring the quality of the riveting.
  • Figure 1 is a schematic diagram of a clinching riveting joint, in which the upper plate 111 and the lower plate 222 in the riveted part are riveted to form a riveted joint, and m is the interlocking value of the riveting. n is the remaining thickness of the material after riveting.
  • this application proposes a detachable riveting mold, which is beneficial to the smooth demoulding of the riveted parts after the riveting is completed.
  • an embodiment of the present application provides a riveting mold 10, which includes a concave platform 1, and the concave platform 1 has at least a first component 11, a second component 12, and A component 11 and a second component 12 are enclosed to form a concave platform 1, and the concave platform 1 is provided with a cavity 13 with an opening at one end.
  • the concave platform 1 can be used to rivet the riveting part 30, wherein the first The component 11 and the second component 12 can be separated, so that the rivet 30 can be separated from the recess 1 .
  • the rivet 30 may include at least one upper layer plate 31 and at least one lower layer plate 32 .
  • the riveting work of the riveting member 30 is performed when the first component 11 and the second component 12 are enclosed in a closed state.
  • Figure 2 only shows that the riveting mold 10 is designed into two separate structures, namely the first component 11 and the second component 12.
  • the riveting mold 10 provided by the present application can also include three or more All the split structures are enclosed to form a concave platform 1, and separated after the riveting is completed, so that the riveting part 30 can be smoothly separated from the riveting mold 10.
  • the upper surface of the concave platform 1 may be a flat surface for placing the rivet 30 .
  • the side surface of the concave platform 1 may be a flat surface or an arc surface, which is not limited in this application.
  • the cavity 13 has an opening at one end, which can be understood as a groove provided from the center of the upper surface of the recess 1.
  • the groove can be any geometric shape, such as a rectangular parallelepiped, a cylinder, a truncated cone, etc., which is not limited in this application. .
  • the separability of the first component 11 and the second component 12 may mean that the first component 11 and the second component 12 are completely separated, or it may mean that a part of the first component 11 and the second component 12 is separable from each other.
  • the first component 11 and the second component 12 are separable.
  • the second part 12 can be separated in an open state, ie the top part is open and the bottom part remains in contact.
  • the first part 11 and the second part 22 can be separated in two ways: active and passive. Active separation can be, for example, using other components to drive the first component 11 and the second component 12 to automatically separate from each other after riveting is completed; passive separation can be, for example, after riveting is completed, the riveting part returns upward to separate the first component 11 and the second component. 12 top open.
  • the detachable riveting mold 10 structure proposed in this application facilitates the smooth demoulding of the riveting part 30 from the riveting mold 10 after the riveting is completed.
  • the riveting mold 10 further includes a driving mechanism 2, which is used to drive the first component 11 and the second component 12 to separate or approach each other.
  • the driving mechanism 2 drives the first component 11 and the second component 12 to approach each other to form a closed riveting mold 10 structure to ensure normal riveting work.
  • the driving mechanism 2 drives the first part 11 and the second part 12 to separate from each other to ensure that the riveting part 30 is smoothly and quickly detached from the riveting mold 10; after the riveting part 30 is riveted, the driving mechanism 2. Then drive the first component 11 and the second component 12 close to each other to ensure that the riveting mold 10 realizes continuous automated riveting.
  • the driving mechanism 2 drives the first component 11 and the second component 12 to separate from each other, it can only drive the first component 11 away from the second component 12 to separate the first component 11 and the second component 12 from each other; or it can Only the second component 12 is driven away from the first component 11 to separate the first component 11 and the second component 12 from each other; of course, in order to improve the demoulding effect, the first component 11 and the second component 12 can also be driven at the same time, so that the first component 11 and the second component 12 are separated from each other.
  • the first component 11 and the second component 12 are separated from each other, which is not limited in this application.
  • the driving mechanism 2 can be a driving component such as a motor, a hydraulic cylinder, or an air cylinder.
  • the efficiency of the driving component can be set according to the demand for riveting efficiency or speed.
  • the driving mechanism 2 is a driving part
  • the driving mechanism 2 also includes a connecting piece for connecting the driving part and the first component 11 or the second component 12, such as a connecting shaft, a connecting rod, a telescopic rod, etc.
  • the driving mechanism 2 may also include drive circuit etc.
  • the driving mechanism 2 may also be an elastic member such as a spring or an elastic band.
  • an elastic member such as a spring or an elastic band.
  • the first component 11 and the second component 12 are separated, they are in a compressed state, so that the riveting component leaves the riveting mold 10 when completed, and the elastic member automatically rebounds to drive the first component 11 and the second component 12 closer to each other.
  • the closed riveting mold 10 structure is formed to wait for the next riveting part 30 .
  • the riveting mold 10 also includes a support member 3 located below the concave platform 1 for supporting the concave platform 1 and the driving mechanism 2 .
  • the support member 3 may be a support plate or a support platform.
  • the concave platform 1 and the driving mechanism 2 can be supported and the riveting mold 10 can be integrated into an integrated structure, which is beneficial to reducing the difficulty of assembling the riveting mold 10 with other equipment.
  • the support 3 is provided with a slide rail 4, at least one of the first component 11 and the second component 12 can be provided on the slide rail 4, and the driving mechanism 2 is used to drive the first component. 11 and/or the second part 12 moves on the slide rail 4 .
  • the slide rail 4 can also be called a slideway or a guide rail, and can be fixed on the support member 3 .
  • the slide rail 4 may be a roller slide rail composed of two rails and a pulley, or may be a steel ball slide rail, which is not limited in this application.
  • the driving mechanism 2 drives the first component 11 away from the second component 12 through the slide rail to separate from the second component 12; Only the second component 12 is arranged on the slide rail 4.
  • the driving mechanism 2 drives the second component 12 away from the first component 11 through the slide rail 4 to separate from the first component 11; the first component can also be 11 and the second component 12 are both arranged on the slide rail 4.
  • the driving mechanism 2 drives the first component 11 and the second component 12 simultaneously to separate the first component 11 and the second component 12 from each other.
  • the driving mechanism 2 and the slide rail 4 cooperate to drive the first part 11 and the second part 12 to separate from each other after the riveting part 30 is riveted, so that the riveting part 30 can be smoothly demoulded from the riveting mold 10 .
  • the first component 11 and the second component 12 can be smoothly slid apart through the slide rail 4, which is beneficial to improving the structural stability of the riveting mold 10.
  • the support member 3 includes a fixing member 5, which is protrudingly provided on a side of the support member 3 close to the recess 1, and the fixing member 5 is connected with the first component 11 and/or the second component. 12 are arranged at intervals, one end of the driving mechanism 2 is connected to the fixing member 5, and the other end is connected to the first component 11 and/or the second component 12.
  • the fixing member 5 is provided on the upper surface of the supporting member 3 and is spaced apart from the first component 11 and/or the second component 12 as a component for fixing one end of the driving mechanism 2 .
  • the fixing member 5 can be a plate-shaped structure, a columnar structure, etc.
  • the support member 3 is not provided with the fixing member 5, there will be an included angle at the connection between the driving mechanism 2 and the first component 11 or the second component 12.
  • the included angle is small, a larger driving force will be required to move the second component.
  • One part 11 is separated from the second part 12. Therefore, when the support member 3 includes a fixing part 5 protruding toward the concave platform 1, and one end of the driving mechanism 2 is connected to the fixing part 5, the connection between the driving mechanism 2 and the concave platform can be effectively increased.
  • the included angle of the stage 1 is reduced, thereby reducing the required driving force to separate the first component 11 and the second component 12 from each other.
  • the driving mechanism 2 is an elastic member
  • the elastic member includes a first elastic member 21.
  • One end of the first elastic member 21 is connected to the first component 11, and the other end is connected to the fixing member 5; and/ Or the second elastic member 22, one end of the second elastic member 22 is connected to the second component 12, and the other end is connected to the fixing member 5.
  • the elastic member when the riveting mold 10 includes two separable parts, namely the first part 11 and the second part 12, the elastic member includes the first elastic member and the second elastic member.
  • the elastic member when the riveting mold 10 includes multiple elastic members, When the elastic member is a detachable component, the elastic member may also include a plurality of matching elastic members.
  • first elastic member 21 and the second elastic member 22 may be elastic members such as springs or elastic bands.
  • the first elastic member 21 is compressed to drive the first component 11 and the second component 12 to separate, and/or the second elastic component 22 is compressed to drive the second component 12 Separate from the first component 11 to ensure that the riveting component 30 is smoothly and quickly detached from the riveting mold 10 after the riveting is completed; when the riveting component 30 is demoulded, the first elastic component 21 automatically rebounds to drive the first component 11 closer to the second component 12 , and/or the second elastic member 22 automatically rebounds to drive the second component 12 close to the first component 11 to form the riveting mold 10 in a closed state, waiting for the next riveting work.
  • the embodiment of the present application uses the structure of the separate riveting mold 10 to cooperate with the slide rail 4 and the elastic member to realize the opening of the concave platform 1 when the riveting part 30 is taken out, which helps the riveting part 30 to be smoothly and quickly demoulded.
  • the elastic part itself has It has the characteristics of force compression and no force rebound. Automatic riveting can be realized only through elastic parts without other driving equipment.
  • the first elastic member 21 and/or the second elastic member 22 are in a compressed state.
  • the first elastic member 21 and/or the second elastic member 22 are in a compressed state.
  • first elastic member 21 when only the first elastic member 21 is compressed, the first component 11 and the second component 12 can be separated from each other; when only the first elastic member 22 is compressed, the first component 11 and the second component 12 can be separated from each other, or The first elastic member 21 and the second elastic member 22 are compressed simultaneously so that the first component 11 and the second component 12 are separated from each other.
  • the riveting part 30 can be demolded without the assistance of other equipment. And automatically rebound, thus realizing automatic riveting.
  • the first elastic member 21 and the second elastic member 22 are parallel to the slide rail 4 .
  • the included angle between the first elastic member 21 and/or the second elastic member 22 and the recess 1 is 90 degrees, which is most effective. It is beneficial to achieve smooth sliding of the first component 11 and the second component 12 to achieve separation and recombination.
  • the riveting mold 10 further includes a first rotating shaft 61 and/or a second rotating shaft 62 , where the first rotating shaft 61 is used to rotationally connect the support member 3 and the first component 11 , and the second rotating shaft 62 is used to rotationally connect the support member 3 and the first component 11 . for rotationally connecting the support member 3 and the second component 12.
  • the riveting mold 10 when the riveting mold 10 includes two detachable parts, namely the first part 11 and the second part 12, the riveting mold includes two rotating axes: a first rotating shaft and a second rotating shaft.
  • the riveting mold 10 When it comes to components, the riveting die also includes multiple matching shafts.
  • the first rotating shaft 61 and the second rotating shaft 62 serve as the hinge between the first component 11 or the second component 12 and the support 3 , and their design determines the opening and closing angles of the first component 11 and the second component 12 .
  • the first rotating shaft 61 and the second rotating shaft 62 may be a male and female shaft matching rotating shaft structure, or may be a spring washer structured rotating shaft, or other structural rotating shafts, which is not limited in this application.
  • the first rotating shaft 61 and the second rotating shaft 62 may have a hollow rotating shaft structure or a solid rotating shaft structure, and this application is not limited thereto.
  • the driving mechanism 2 drives the first component 11 and/or the second part 12 to separate from each other through the first rotating shaft 61 and/or the second rotating shaft 62 , so that the riveting part 30 can be separated from the recess 1 .
  • the driving mechanism 2 drives the first component 11 and/or the second component 12 to approach each other through the first rotating shaft 61 and/or the second rotating shaft 62 to form a complete concave platform 1, waiting for the next round. Riveting work, realizing automated riveting.
  • the driving mechanism 2 is disposed between the first component 11 and the support 3 to cooperate with the first rotating shaft 61 to separate the first component 11 from the second component 12; and/or the driving mechanism 2 is disposed between the second component 21 and the support 3 to cooperate with the second rotating shaft 62 to separate the first component 11 from the second component 12 .
  • the driving mechanism 2 can serve as a power source to drive the first rotating shaft 61 to rotate, so that the bottom of the first component 11 rotates around the first rotating axis 61 in a direction away from the second component 12; the driving member 2 can also serve as a power source to drive the second rotating shaft 61 to rotate.
  • the two rotating shafts 62 rotate, so that the bottom of the second component 12 rotates around the second rotating axis 62 in a direction away from the first component 11 .
  • the concave platform 1 opens to facilitate the smooth demoulding of the riveting part 30 after the riveting is completed.
  • the driving mechanism 2 also includes a third elastic member 23 , one end of the third elastic member 23 is connected to the end of the first component 11 close to the opening, and the other end is connected to the support member 3 ; and/or a fourth elastic member 23 member 24, one end of the fourth elastic member 24 is connected to the end of the second component 12 close to the opening, and the other end is connected to the support member 3.
  • the driving mechanism 2 when the riveting mold 10 includes two separable parts, namely the first part 11 and the second part 12, the driving mechanism 2 includes two elastic parts, the third elastic part and the fourth elastic part.
  • the driving mechanism 2 also includes multiple matching elastic parts.
  • the third elastic member 23 drives the upper part of the first part 11 to cooperate with the first rotating shaft 61 to separate from the upper part of the second part 12, and/or the fourth elastic part 24 is compressed to drive
  • the upper part of the second part 12 cooperates with the second rotating shaft 62 to separate from the upper part of the first part 11 in an open state to ensure that the riveted part 30 that has been riveted can be smoothly and quickly detached from the riveting mold 10; when the riveted part 30 is demoulded, An elastic member 23 automatically rebounds to drive the upper part of the first part 11 close to the upper part of the second part 12, and/or the second elastic part 24 automatically rebounds to drive the upper part of the second part 12 close to the upper part of the first part 11 to form a closure. state of the riveting mold 10 to ensure the normal progress of the next riveting work, thereby ensuring that the riveting mold 10 realizes continuous automated riveting.
  • the third elastic member 23 and the fourth elastic member 24 may be elastic members such as springs or elastic bands.
  • the third elastic member 23 and/or the fourth elastic member 24 are in a compressed state.
  • the third elastic member 23 and/or the fourth elastic member 24 are in a compressed state and can automatically rebound after the riveting is completed to realize automated riveting.
  • the riveting mold 10 may include a first rotating shaft 61 , a second rotating shaft 62 and a slide rail in addition to the concave table 1 , the driving mechanism 2 , and the supporting member 3 4. That is to say, after the riveting of the riveting part 30 is completed, the driving mechanism 2 drives the first component 11 and/or the second component 12 to separate through the slide rail 4 and can also use the first rotating shaft 61 and/or the second rotating shaft 62 to open. The degree and speed of separating the first component 11 and the second component 12 are further increased, thereby helping the riveted part 30 to be demoulded faster.
  • the cross-section in the depth direction of the cavity 13 is a trapezoid, and the bottom angle of the trapezoid away from the opening is an acute angle.
  • the bottom angle of the trapezoid away from the opening can be understood as the angle between the side surface and the bottom surface of the cavity 13 .
  • the base angle of the trapezoid away from the opening is an acute angle, that is, angle A and angle B are acute angles. Among them, the angle value of angle A and angle B may or may not be equal.
  • angle A and angle B are acute angles
  • the cross-section in the depth direction of the cavity 13 is a trapezoid with the length of the upper base a smaller than the length of the lower base b.
  • Figure 2 only shows a certain cross-section of the riveting mold 10, and can only show the angles of the two bottom corners of the cross-section. In the physical structure, there can be multiple angles between the side and the bottom surface of the cavity 13. The angles of these included angles may be the same or different, and are not limited in this application.
  • the cavity 13 can be a quadrangular pyramid or a circular cone, that is, the base surface of the cavity 13 can be a quadrilateral, a circle, or other geometric shapes.
  • the cavity 13 structure By arranging the cavity 13 structure with a trapezoidal cross-section in the depth direction, more material of the riveting part 30 can be squeezed into the bottom corner during riveting, thereby increasing the interlocking value of the upper plate 31 and the lower plate 32 in the riveting part 30 , thereby improving the riveting quality.
  • the structure of the cavity 13 can also be designed as a structure similar to a trapezoid according to actual needs.
  • the upper and/or lower corners of the trapezoid can be rounded.
  • the trapezoid is an isosceles trapezoid.
  • the trapezoid is an isosceles trapezoid, that is, angle A and angle B are equal.
  • the trapezoid is an isosceles trapezoid, which means that the angles between the side and the bottom of the cavity 13 are equal everywhere. .
  • the amount of material of the riveted parts 30 extruded into the bottom corners is equal, and the interlocking values of the riveted parts are the same everywhere, so that the riveted buckle formed after riveting is completed can be made everywhere
  • the quality is uniform, further improving the riveting quality.
  • the angle of the bottom angle is 45-85 degrees. That is, the angle of angle A and/or angle B is 45-85 degrees.
  • the bottom angle is set to 45-85 degrees, which is conducive to streamlining the riveting industry on the one hand, and is conducive to improving the riveting quality of the riveting part 30 on the other hand.
  • the bottom angle is less than 45 degrees, due to the different ductility of different riveting parts 30, insufficient filling of the bottom corner may occur after the material is extruded into the bottom corner, which is not conducive to the process flow of the riveting industry.
  • the bottom angle is greater than 85 degrees, the interlocking value of the riveting parts 30 is small, and the riveting quality is not ideal.
  • FIG. 5 is a schematic structural diagram of a riveting equipment 20 provided by an embodiment of the present application. As shown in FIG. 5 , in addition to the riveting die 10 in any of the above embodiments, the riveting equipment 20 also includes a riveting head 7 .
  • the riveting head 7 is provided on the side of the riveting mold 10 where the concave platform 1 is provided, and is used for riveting the riveting part 30 in the concave platform 1 .
  • the riveting head 7 can also be called a riveting punch or a pressure head.
  • the riveting head 7 moves downward to pre-tighten the riveting part 30 and the upper end surface of the riveting die 10, fixing the position of the riveting part 30 to prevent the riveting part 30 from being damaged during the riveting process. China Mobile.
  • the riveting head 7 continues to press down to squeeze the upper plate 31 and the lower plate 32 of the riveting part 30 into the cavity 13 of the riveting mold 10.
  • the pressure of the riveting head 7 increases, the material deforms in the cavity 13, and the upper layer
  • the plate 21 and the lower plate 22 form an inlaid structure, that is, a riveted buckle, and the pressure of the riveted joint 7 relaxes and returns.
  • the riveting part 30 is pressed into the riveting mold 10 by the pressure of the riveting head 7.
  • the anti-rust coating or paint layer of the riveting part 30 will deform and flow together with the riveting part 30, and will not cause damage to the surface of the riveting part 30. It will not affect the corrosion resistance and strength of the connection points of the rivets 30.
  • the rivet head 7 has a circular shape.
  • the riveted buckle formed after riveting will have the same riveting thickness at all places, which is beneficial to improving the connection strength of the riveted buckle.
  • the rivet head 7 can also be in other shapes, such as rectangular parallelepiped or truncated cone, which is not limited in this application.
  • FIG. 5 only shows the structure of the riveting die 10 in which the first component 11 and the second component 12 are separated through the driving mechanism 2, the support plate 3 and the slide rail 4.
  • the riveting joint provided by the embodiment of the present application 7 can also be used in conjunction with the riveting mold 10 structure in other separation modes to form a riveting equipment, for example, in conjunction with the above-mentioned rotating shaft solution for riveting.
  • another riveting device 20 (not shown in the drawings) includes a recess 1 , a driving mechanism 2 , a support 3 , a first rotating shaft 61 and a second rotating shaft 62 , and a riveting head 7 . That is, the rivet head 7 in any of the above embodiments is added on the basis of FIG.
  • yet another riveting device 20 (not shown in the drawings) includes a concave platform 1 , a driving mechanism 2 , a support 3 , a first rotating shaft 61 and a second rotating shaft 62 , a slide rail 4 and a riveting head 7 .
  • the riveting head 7 includes a protruding portion 8 , which is provided at the bottom end of the riveting head.
  • the protruding portion 8 is used to press the riveting member 30 into the concave platform 1 .
  • the riveting head 7 is used to press the riveting piece 30 into the recess 1 of the riveting mold 10.
  • the width of the riveting head 7 is limited by the opening width of the cavity 13, so a protrusion is provided at the bottom end of the riveting head. 8.
  • the cross section in the depth direction of the protrusion 8 is a trapezoid, and the bottom angle away from the rivet head 7 is an obtuse angle.
  • the bottom angle of the protruding part 8 is set to an obtuse angle, that is, the angle D and the angle E are obtuse angles.
  • the upper material 31 of the riveting part 30 is less durable after riveting. There is more remaining material, that is, the remaining thickness of the material is greater, which is beneficial to improving the quality of riveting.
  • the cross-section in the depth direction of the protruding portion 8 is an isosceles trapezoid.
  • the protruding portion 8 can be a square prism or a truncated cone, which is not limited in this application.
  • the riveting part 30 can have the same riveting thickness everywhere after the riveting is completed, that is, the quality of the formed riveting buckle is uniform everywhere, which is more conducive to improving the connection strength of the riveting buckle. .
  • the maximum radial dimension d of the protrusion 8 is smaller than the width a of the opening. It should be understood that in order to press the rivet 30 into the recess 1 using the protrusion 8 of the rivet head 7, the maximum radial dimension d of the protrusion 8 is smaller than the width a of the opening.
  • Step 1 The riveting parts 30 are transferred to the riveting station
  • Step 2 Find the area to be riveted through charge-coupled detector (CCD) addressing
  • Step 3 The riveting head 7 presses the riveting part 30 into the cavity 13 of the riveting mold 10 through the protruding part 8.
  • the upper plate 31 and the lower plate 32 of the riveting part 30 form an interlock, and the riveting is completed;
  • Step 4 The rivet head 7 and the completed rivet 30 are pulled upward relative to the riveting mold 10, the first component 11 and the second component 12 are separated by any of the above methods, and the rivet 30 is separated from the riveting mold 10;
  • the first part 11 and the second part 12 are closed under the action of the driving mechanism 2 to prepare for the next round of riveting process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

Les modes de réalisation de la présente demande concernent une bouterolle de rivetage et un appareil de rivetage. La bouterolle de rivetage comprend un évidement, et comprend au moins un premier composant et un second composant, qui entourent l'évidement, l'évidement comportant une cavité, qui présente une ouverture à une extrémité ; l'évidement étant utilisé pour le rivetage d'un élément riveté ; et le premier composant pouvant être séparé du second composant pour permettre à l'élément riveté de se dégager de l'évidement. La solution technique des modes de réalisation de la présente demande est propice au démoulage régulier d'un élément riveté.
PCT/CN2022/098837 2022-06-15 2022-06-15 Bouterolle de rivetage et appareil de rivetage WO2023240476A1 (fr)

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Application Number Priority Date Filing Date Title
CN202280062813.6A CN118055814A (zh) 2022-06-15 2022-06-15 一种铆模和铆接设备
PCT/CN2022/098837 WO2023240476A1 (fr) 2022-06-15 2022-06-15 Bouterolle de rivetage et appareil de rivetage

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PCT/CN2022/098837 WO2023240476A1 (fr) 2022-06-15 2022-06-15 Bouterolle de rivetage et appareil de rivetage

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Citations (6)

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JP2004017092A (ja) * 2002-06-17 2004-01-22 Honda Motor Co Ltd セルフピアッシングリベット締結装置および締結方法
CN102784841A (zh) * 2012-07-11 2012-11-21 江苏大学 一种组合式精密钣金冲压铆接模具
CN105328334A (zh) * 2015-11-27 2016-02-17 江苏大学 一种激光冲击金属薄板变形连接装置及其方法
CN106271084A (zh) * 2016-10-10 2017-01-04 山东大学 一种板材激光冲击铆接模具、铆接***和激光冲击铆接方法
CN107186334A (zh) * 2017-06-23 2017-09-22 武汉理工大学 用于旋转摩擦冲压的铆钉结构及其铆接钢铝叠层板的方法
CN209395152U (zh) * 2019-01-11 2019-09-17 江苏康非特动力科技有限公司 一种注塑机用的模具固定装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017092A (ja) * 2002-06-17 2004-01-22 Honda Motor Co Ltd セルフピアッシングリベット締結装置および締結方法
CN102784841A (zh) * 2012-07-11 2012-11-21 江苏大学 一种组合式精密钣金冲压铆接模具
CN105328334A (zh) * 2015-11-27 2016-02-17 江苏大学 一种激光冲击金属薄板变形连接装置及其方法
CN106271084A (zh) * 2016-10-10 2017-01-04 山东大学 一种板材激光冲击铆接模具、铆接***和激光冲击铆接方法
CN107186334A (zh) * 2017-06-23 2017-09-22 武汉理工大学 用于旋转摩擦冲压的铆钉结构及其铆接钢铝叠层板的方法
CN209395152U (zh) * 2019-01-11 2019-09-17 江苏康非特动力科技有限公司 一种注塑机用的模具固定装置

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